summaryrefslogtreecommitdiff
path: root/target/linux/ubicom32/patches-2.6.30/100-ubicom32_support.patch
blob: 2e0f1a763e9fdf3fb5b2489df22f3e0cf7dffa75 (plain)
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diff -ruN linux-2.6.30.10/arch/ubicom32/crypto/aes_ubicom32.c linux-2.6.30.10-ubi/arch/ubicom32/crypto/aes_ubicom32.c
--- linux-2.6.30.10/arch/ubicom32/crypto/aes_ubicom32.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/crypto/aes_ubicom32.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,458 @@
+/*
+ * arch/ubicom32/crypto/aes_ubicom32.c
+ *   Ubicom32 implementation of the AES Cipher Algorithm.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <crypto/aes.h>
+#include <crypto/algapi.h>
+#include <linux/err.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/spinlock.h>
+#include "crypto_ubicom32.h"
+#include <asm/linkage.h>
+
+struct ubicom32_aes_ctx {
+	u8 key[AES_MAX_KEY_SIZE];
+	u32 ctrl;
+	int key_len;
+};
+
+static inline void aes_hw_set_key(const u8 *key, u8 key_len)
+{
+	/*
+	 * switch case has more overhead than 4 move.4 instructions, so just copy 256 bits
+	 */
+	SEC_SET_KEY_256(key);
+}
+
+static inline void aes_hw_set_iv(const u8 *iv)
+{
+	SEC_SET_IV_4W(iv);
+}
+
+static inline void aes_hw_cipher(u8 *out, const u8 *in)
+{
+	SEC_SET_INPUT_4W(in);
+
+	asm volatile (
+	"	; start AES by writing 0x40(SECURITY_BASE)	\n\t"
+	"	move.4 0x40(%0), #0x01				\n\t"
+	"	pipe_flush 0                                    \n\t"
+	"							\n\t"
+	"	; wait for the module to calculate the output	\n\t"
+	"	btst 0x04(%0), #0				\n\t"
+	"	jmpne.f .-4					\n\t"
+		:
+		: "a" (SEC_BASE)
+		: "cc"
+	);
+
+	SEC_GET_OUTPUT_4W(out);
+}
+
+static int __ocm_text aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
+		       unsigned int key_len)
+{
+	struct ubicom32_aes_ctx *uctx = crypto_tfm_ctx(tfm);
+
+	uctx->key_len = key_len;
+	memcpy(uctx->key, in_key, key_len);
+
+	/*
+	 * leave out HASH_ALG (none = 0), CBC (no = 0), DIR (unknown) yet
+	 */
+	switch (uctx->key_len) {
+	case 16:
+		uctx->ctrl = SEC_KEY_128_BITS | SEC_ALG_AES;
+		break;
+	case 24:
+		uctx->ctrl = SEC_KEY_192_BITS | SEC_ALG_AES;
+		break;
+	case 32:
+		uctx->ctrl = SEC_KEY_256_BITS | SEC_ALG_AES;
+		break;
+	}
+
+	return 0;
+}
+
+static inline void aes_cipher(struct crypto_tfm *tfm, u8 *out, const u8 *in, u32 extra_flags)
+{
+	const struct ubicom32_aes_ctx *uctx = crypto_tfm_ctx(tfm);
+
+	hw_crypto_lock();
+	hw_crypto_check();
+	hw_crypto_set_ctrl(uctx->ctrl | extra_flags);
+
+	aes_hw_set_key(uctx->key, uctx->key_len);
+	aes_hw_cipher(out, in);
+
+	hw_crypto_unlock();
+}
+
+static void aes_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
+{
+	aes_cipher(tfm, out, in, SEC_DIR_ENCRYPT);
+}
+
+static void aes_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
+{
+	aes_cipher(tfm, out, in, SEC_DIR_DECRYPT);
+}
+
+static struct crypto_alg aes_alg = {
+	.cra_name		=	"aes",
+	.cra_driver_name	=	"aes-ubicom32",
+	.cra_priority		=	CRYPTO_UBICOM32_PRIORITY,
+	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
+	.cra_blocksize		=	AES_BLOCK_SIZE,
+	.cra_ctxsize		=	sizeof(struct ubicom32_aes_ctx),
+	.cra_alignmask		=	CRYPTO_UBICOM32_ALIGNMENT - 1,
+	.cra_module		=	THIS_MODULE,
+	.cra_list		=	LIST_HEAD_INIT(aes_alg.cra_list),
+	.cra_u			=	{
+		.cipher = {
+			.cia_min_keysize	=	AES_MIN_KEY_SIZE,
+			.cia_max_keysize	=	AES_MAX_KEY_SIZE,
+			.cia_setkey		=	aes_set_key,
+			.cia_encrypt		=	aes_encrypt,
+			.cia_decrypt		=	aes_decrypt,
+		}
+	}
+};
+
+static void __ocm_text ecb_aes_crypt_loop(u8 *out, u8 *in, unsigned int n)
+{
+	while (likely(n)) {
+		aes_hw_cipher(out, in);
+		out += AES_BLOCK_SIZE;
+		in += AES_BLOCK_SIZE;
+		n -= AES_BLOCK_SIZE;
+	}
+}
+
+static int __ocm_text ecb_aes_crypt(struct blkcipher_desc *desc, struct scatterlist *dst,
+			 struct scatterlist *src, unsigned int nbytes, u32 extra_flags)
+{
+	const struct ubicom32_aes_ctx *uctx = crypto_blkcipher_ctx(desc->tfm);
+	int ret;
+
+	struct blkcipher_walk walk;
+	blkcipher_walk_init(&walk, dst, src, nbytes);
+	ret = blkcipher_walk_virt(desc, &walk);
+        if (ret) {
+                return ret;
+        }
+
+	hw_crypto_lock();
+	hw_crypto_check();
+
+        hw_crypto_set_ctrl(uctx->ctrl | extra_flags);
+        aes_hw_set_key(uctx->key, uctx->key_len);
+
+	while (likely((nbytes = walk.nbytes))) {
+		/* only use complete blocks */
+		unsigned int n = nbytes & ~(AES_BLOCK_SIZE - 1);
+		u8 *out = walk.dst.virt.addr;
+		u8 *in = walk.src.virt.addr;
+
+		/* finish n/16 blocks */
+		ecb_aes_crypt_loop(out, in, n);
+
+		nbytes &= AES_BLOCK_SIZE - 1;
+		ret = blkcipher_walk_done(desc, &walk, nbytes);
+	}
+
+	hw_crypto_unlock();
+	return ret;
+}
+
+static int ecb_aes_encrypt(struct blkcipher_desc *desc,
+			   struct scatterlist *dst, struct scatterlist *src,
+			   unsigned int nbytes)
+{
+	return ecb_aes_crypt(desc, dst, src, nbytes, SEC_DIR_ENCRYPT);
+}
+
+static int ecb_aes_decrypt(struct blkcipher_desc *desc,
+			   struct scatterlist *dst, struct scatterlist *src,
+			   unsigned int nbytes)
+{
+	return ecb_aes_crypt(desc, dst, src, nbytes, SEC_DIR_DECRYPT);
+}
+
+static struct crypto_alg ecb_aes_alg = {
+	.cra_name		=	"ecb(aes)",
+	.cra_driver_name	=	"ecb-aes-ubicom32",
+	.cra_priority		=	CRYPTO_UBICOM32_COMPOSITE_PRIORITY,
+	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER,
+	.cra_blocksize		=	AES_BLOCK_SIZE,
+	.cra_ctxsize		=	sizeof(struct ubicom32_aes_ctx),
+	.cra_alignmask          =       CRYPTO_UBICOM32_ALIGNMENT - 1,
+	.cra_type		=	&crypto_blkcipher_type,
+	.cra_module		=	THIS_MODULE,
+	.cra_list		=	LIST_HEAD_INIT(ecb_aes_alg.cra_list),
+	.cra_u			=	{
+		.blkcipher = {
+			.min_keysize		=	AES_MIN_KEY_SIZE,
+			.max_keysize		=	AES_MAX_KEY_SIZE,
+			.setkey			=	aes_set_key,
+			.encrypt		=	ecb_aes_encrypt,
+			.decrypt		=	ecb_aes_decrypt,
+		}
+	}
+};
+
+#if CRYPTO_UBICOM32_LOOP_ASM
+void __ocm_text cbc_aes_encrypt_loop(u8 *out, u8 *in, u8 *iv, unsigned int n)
+{
+	asm volatile (
+	"; set init. iv 4w			\n\t"
+	"	move.4 0x50(%0), 0x0(%3)	\n\t"
+	"	move.4 0x54(%0), 0x4(%3)	\n\t"
+	"	move.4 0x58(%0), 0x8(%3)	\n\t"
+	"	move.4 0x5c(%0), 0xc(%3)	\n\t"
+	"					\n\t"
+	"; we know n > 0, so we can always	\n\t"
+	"; load the first block			\n\t"
+	"; set input 4w				\n\t"
+	"	move.4 0x30(%0), 0x0(%2)	\n\t"
+	"	move.4 0x34(%0), 0x4(%2)	\n\t"
+	"	move.4 0x38(%0), 0x8(%2)	\n\t"
+	"	move.4 0x3c(%0), 0xc(%2)	\n\t"
+	"					\n\t"
+	"; kickoff hw				\n\t"
+	"	move.4 0x40(%0), %2		\n\t"
+	"					\n\t"
+	"; update n & flush			\n\t"
+	"	add.4 %4, #-16, %4		\n\t"
+	"	pipe_flush 0			\n\t"
+	"					\n\t"
+	"; while (n):  work on 2nd block	\n\t"
+	" 1:	lsl.4 d15, %4, #0x0		\n\t"
+	"	jmpeq.f 5f			\n\t"
+	"					\n\t"
+	"; set input 4w	(2nd)			\n\t"
+	"	move.4 0x30(%0), 0x10(%2)	\n\t"
+	"	move.4 0x34(%0), 0x14(%2)	\n\t"
+	"	move.4 0x38(%0), 0x18(%2)	\n\t"
+	"	move.4 0x3c(%0), 0x1c(%2)	\n\t"
+	"					\n\t"
+	"; update n/in asap while waiting	\n\t"
+	"	add.4 %4, #-16, %4		\n\t"
+	"	move.4 d15, 16(%2)++		\n\t"
+	"					\n\t"
+	"; wait for the previous output		\n\t"
+	"	btst 0x04(%0), #0		\n\t"
+	"	jmpne.f -4			\n\t"
+	"					\n\t"
+	"; read previous output			\n\t"
+	"	move.4 0x0(%1), 0x50(%0)	\n\t"
+	"	move.4 0x4(%1), 0x54(%0)	\n\t"
+	"	move.4 0x8(%1), 0x58(%0)	\n\t"
+	"	move.4 0xc(%1), 0x5c(%0)	\n\t"
+	"					\n\t"
+	"; kick off hw for 2nd input		\n\t"
+	"	move.4 0x40(%0), %2		\n\t"
+	"					\n\t"
+	"; update out asap			\n\t"
+	"	move.4 d15, 16(%1)++		\n\t"
+	"					\n\t"
+	"; go back to loop			\n\t"
+	"	jmpt 1b				\n\t"
+	"					\n\t"
+	"; wait for last output			\n\t"
+	" 5:	btst 0x04(%0), #0               \n\t"
+        "       jmpne.f -4                      \n\t"
+        "                                       \n\t"
+	"; read last output			\n\t"
+	"	move.4 0x0(%1), 0x50(%0)	\n\t"
+	"	move.4 0x4(%1), 0x54(%0)	\n\t"
+	"	move.4 0x8(%1), 0x58(%0)	\n\t"
+	"	move.4 0xc(%1), 0x5c(%0)	\n\t"
+        "                                       \n\t"
+	"; copy out iv				\n\t"
+	"	move.4 0x0(%3), 0x50(%0)	\n\t"
+	"	move.4 0x4(%3), 0x54(%0)	\n\t"
+	"	move.4 0x8(%3), 0x58(%0)	\n\t"
+	"	move.4 0xc(%3), 0x5c(%0)	\n\t"
+        "                                       \n\t"
+		:
+		: "a" (SEC_BASE), "a" (out), "a" (in), "a" (iv), "d" (n)
+		: "d15", "cc"
+	);
+}
+
+#else
+
+static void __ocm_text cbc_aes_encrypt_loop(u8 *out, u8 *in, u8 *iv, unsigned int n)
+{
+	aes_hw_set_iv(iv);
+	while (likely(n)) {
+		aes_hw_cipher(out, in);
+		out += AES_BLOCK_SIZE;
+		in += AES_BLOCK_SIZE;
+		n -= AES_BLOCK_SIZE;
+	}
+	SEC_COPY_4W(iv, out - AES_BLOCK_SIZE);
+}
+
+#endif
+
+static void __ocm_text cbc_aes_decrypt_loop(u8 *out, u8 *in, u8 *iv, unsigned int n)
+{
+        while (likely(n)) {
+                aes_hw_set_iv(iv);
+		SEC_COPY_4W(iv, in);
+                aes_hw_cipher(out, in);
+                out += AES_BLOCK_SIZE;
+                in += AES_BLOCK_SIZE;
+                n -= AES_BLOCK_SIZE;
+        }
+}
+
+static int __ocm_text cbc_aes_crypt(struct blkcipher_desc *desc,
+                           struct scatterlist *dst, struct scatterlist *src,
+                           unsigned int nbytes, u32 extra_flags)
+{
+	struct ubicom32_aes_ctx *uctx = crypto_blkcipher_ctx(desc->tfm);
+	int ret;
+
+        struct blkcipher_walk walk;
+        blkcipher_walk_init(&walk, dst, src, nbytes);
+	ret = blkcipher_walk_virt(desc, &walk);
+	if (unlikely(ret)) {
+		return ret;
+	}
+
+        hw_crypto_lock();
+	hw_crypto_check();
+
+        hw_crypto_set_ctrl(uctx->ctrl | extra_flags);
+        aes_hw_set_key(uctx->key, uctx->key_len);
+
+	while (likely((nbytes = walk.nbytes))) {
+                /* only use complete blocks */
+                unsigned int n = nbytes & ~(AES_BLOCK_SIZE - 1);
+		if (likely(n)) {
+	                u8 *out = walk.dst.virt.addr;
+		        u8 *in = walk.src.virt.addr;
+
+			if (extra_flags & SEC_DIR_ENCRYPT) {
+				cbc_aes_encrypt_loop(out, in, walk.iv, n);
+			} else {
+				cbc_aes_decrypt_loop(out, in, walk.iv, n);
+			}
+		}
+
+		nbytes &= AES_BLOCK_SIZE - 1;
+                ret = blkcipher_walk_done(desc, &walk, nbytes);
+	}
+	hw_crypto_unlock();
+
+	return ret;
+}
+
+static int __ocm_text cbc_aes_encrypt(struct blkcipher_desc *desc,
+			   struct scatterlist *dst, struct scatterlist *src,
+			   unsigned int nbytes)
+{
+	return cbc_aes_crypt(desc, dst, src, nbytes, SEC_DIR_ENCRYPT | SEC_CBC_SET);
+}
+
+static int __ocm_text cbc_aes_decrypt(struct blkcipher_desc *desc,
+			   struct scatterlist *dst, struct scatterlist *src,
+			   unsigned int nbytes)
+{
+	return cbc_aes_crypt(desc, dst, src, nbytes, SEC_DIR_DECRYPT | SEC_CBC_SET);
+}
+
+static struct crypto_alg cbc_aes_alg = {
+	.cra_name		=	"cbc(aes)",
+	.cra_driver_name	=	"cbc-aes-ubicom32",
+	.cra_priority		=	CRYPTO_UBICOM32_COMPOSITE_PRIORITY,
+	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER,
+	.cra_blocksize		=	AES_BLOCK_SIZE,
+	.cra_ctxsize		=	sizeof(struct ubicom32_aes_ctx),
+	.cra_alignmask          =       CRYPTO_UBICOM32_ALIGNMENT - 1,
+	.cra_type		=	&crypto_blkcipher_type,
+	.cra_module		=	THIS_MODULE,
+	.cra_list		=	LIST_HEAD_INIT(cbc_aes_alg.cra_list),
+	.cra_u			=	{
+		.blkcipher = {
+			.min_keysize		=	AES_MIN_KEY_SIZE,
+			.max_keysize		=	AES_MAX_KEY_SIZE,
+			.ivsize			=	AES_BLOCK_SIZE,
+			.setkey			=	aes_set_key,
+			.encrypt		=	cbc_aes_encrypt,
+			.decrypt		=	cbc_aes_decrypt,
+		}
+	}
+};
+
+static int __init aes_init(void)
+{
+	int ret;
+
+	hw_crypto_init();
+
+	ret = crypto_register_alg(&aes_alg);
+	if (ret)
+		goto aes_err;
+
+	ret = crypto_register_alg(&ecb_aes_alg);
+	if (ret)
+		goto ecb_aes_err;
+
+	ret = crypto_register_alg(&cbc_aes_alg);
+	if (ret)
+		goto cbc_aes_err;
+
+out:
+	return ret;
+
+cbc_aes_err:
+	crypto_unregister_alg(&ecb_aes_alg);
+ecb_aes_err:
+	crypto_unregister_alg(&aes_alg);
+aes_err:
+	goto out;
+}
+
+static void __exit aes_fini(void)
+{
+	crypto_unregister_alg(&cbc_aes_alg);
+	crypto_unregister_alg(&ecb_aes_alg);
+	crypto_unregister_alg(&aes_alg);
+}
+
+module_init(aes_init);
+module_exit(aes_fini);
+
+MODULE_ALIAS("aes");
+
+MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm");
+MODULE_LICENSE("GPL");
diff -ruN linux-2.6.30.10/arch/ubicom32/crypto/crypto_des.h linux-2.6.30.10-ubi/arch/ubicom32/crypto/crypto_des.h
--- linux-2.6.30.10/arch/ubicom32/crypto/crypto_des.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/crypto/crypto_des.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,34 @@
+/*
+ * arch/ubicom32/crypto/crypto_des.h
+ *   Function for checking keys for the DES and Triple DES Encryption
+ *   algorithms.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef __CRYPTO_DES_H__
+#define __CRYPTO_DES_H__
+
+extern int crypto_des_check_key(const u8*, unsigned int, u32*);
+
+#endif /* __CRYPTO_DES_H__ */
diff -ruN linux-2.6.30.10/arch/ubicom32/crypto/crypto_ubicom32.c linux-2.6.30.10-ubi/arch/ubicom32/crypto/crypto_ubicom32.c
--- linux-2.6.30.10/arch/ubicom32/crypto/crypto_ubicom32.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/crypto/crypto_ubicom32.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,50 @@
+/*
+ * arch/ubicom32/crypto/crypto_ubicom32.c
+ *   Generic code to support ubicom32 hardware crypto accelerator
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include "crypto_ubicom32.h"
+
+spinlock_t crypto_ubicom32_lock;
+bool crypto_ubicom32_inited = false;
+volatile bool crypto_ubicom32_on = false;
+volatile unsigned long crypto_ubicom32_last_use;
+
+struct timer_list crypto_ubicom32_ps_timer;
+void crypto_ubicom32_ps_check(unsigned long data)
+{
+	unsigned long idle_time = msecs_to_jiffies(HW_CRYPTO_PS_MAX_IDLE_MS);
+
+	BUG_ON(!crypto_ubicom32_on);
+
+	if (((jiffies - crypto_ubicom32_last_use) > idle_time) && spin_trylock_bh(&crypto_ubicom32_lock)) {
+                hw_crypto_turn_off();
+                spin_unlock_bh(&crypto_ubicom32_lock);
+		return;
+	}
+
+	/* keep monitoring */
+	hw_crypto_ps_start();
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/crypto/crypto_ubicom32.h linux-2.6.30.10-ubi/arch/ubicom32/crypto/crypto_ubicom32.h
--- linux-2.6.30.10/arch/ubicom32/crypto/crypto_ubicom32.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/crypto/crypto_ubicom32.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,346 @@
+/*
+ * arch/ubicom32/crypto/crypto_ubicom32.h
+ *   Support for Ubicom32 cryptographic instructions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _CRYPTO_ARCH_UBICOM32_CRYPT_H
+#define _CRYPTO_ARCH_UBICOM32_CRYPT_H
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/jiffies.h>
+#include <linux/timer.h>
+#include <linux/spinlock.h>
+#include <asm/errno.h>
+#include <asm/io.h>
+#include <asm/ip5000.h>
+
+#define CRYPTO_UBICOM32_LOOP_ASM 1
+#define CRYPTO_UBICOM32_ALIGNMENT 4
+#define SEC_ALIGNED(p) (((u32)p & 3) == 0)
+
+#define SEC_BASE		SECURITY_BASE
+#define SEC_KEY_OFFSET		SECURITY_KEY_VALUE(0)
+#define SEC_INPUT_OFFSET	SECURITY_KEY_IN(0)
+#define SEC_OUTPUT_OFFSET	SECURITY_KEY_OUT(0)
+#define SEC_HASH_OFFSET		SECURITY_KEY_HASH(0)
+
+#define SEC_KEY_128_BITS	SECURITY_CTRL_KEY_SIZE(0)
+#define SEC_KEY_192_BITS	SECURITY_CTRL_KEY_SIZE(1)
+#define SEC_KEY_256_BITS	SECURITY_CTRL_KEY_SIZE(2)
+
+#define SEC_HASH_NONE		SECURITY_CTRL_HASH_ALG_NONE
+#define SEC_HASH_MD5		SECURITY_CTRL_HASH_ALG_MD5
+#define SEC_HASH_SHA1		SECURITY_CTRL_HASH_ALG_SHA1
+
+#define SEC_CBC_SET		SECURITY_CTRL_CBC
+#define SEC_CBC_NONE		0
+
+#define SEC_ALG_AES		SECURITY_CTRL_CIPHER_ALG_AES
+#define SEC_ALG_NONE		SECURITY_CTRL_CIPHER_ALG_NONE
+#define SEC_ALG_DES		SECURITY_CTRL_CIPHER_ALG_DES
+#define SEC_ALG_3DES		SECURITY_CTRL_CIPHER_ALG_3DES
+
+#define SEC_DIR_ENCRYPT		SECURITY_CTRL_ENCIPHER
+#define SEC_DIR_DECRYPT		0
+
+#define CRYPTO_UBICOM32_PRIORITY 300
+#define CRYPTO_UBICOM32_COMPOSITE_PRIORITY 400
+
+#define HW_CRYPTO_PS_MAX_IDLE_MS 100    /* idle time (ms) before shuting down sm */
+
+extern spinlock_t crypto_ubicom32_lock;
+extern bool crypto_ubicom32_inited;
+extern volatile bool crypto_ubicom32_on;
+extern volatile unsigned long crypto_ubicom32_last_use;
+extern struct timer_list crypto_ubicom32_ps_timer;
+extern void crypto_ubicom32_ps_check(unsigned long data);
+
+#define SEC_COPY_2W(t, s)				\
+	asm volatile (					\
+	"	move.4 0(%0), 0(%1)		\n\t"	\
+	"	move.4 4(%0), 4(%1)		\n\t"	\
+							\
+		:					\
+		: "a" (t), "a" (s)			\
+	)
+
+#define SEC_COPY_4W(t, s)				\
+	asm volatile (					\
+	"	move.4 0(%0), 0(%1)		\n\t"	\
+	"	move.4 4(%0), 4(%1)		\n\t"	\
+	"	move.4 8(%0), 8(%1)		\n\t"	\
+	"	move.4 12(%0), 12(%1)		\n\t"	\
+		:					\
+		: "a" (t), "a" (s)			\
+	)
+
+#define SEC_COPY_5W(t, s)				\
+	asm volatile (					\
+	"	move.4 0(%0), 0(%1)		\n\t"	\
+	"	move.4 4(%0), 4(%1)		\n\t"	\
+	"	move.4 8(%0), 8(%1)		\n\t"	\
+	"	move.4 12(%0), 12(%1)		\n\t"	\
+	"	move.4 16(%0), 16(%1)		\n\t"	\
+		:					\
+		: "a" (t), "a" (s)			\
+	)
+
+#define SEC_SET_KEY_2W(x)				\
+	asm volatile (					\
+	"	; write key to Security Keyblock \n\t"	\
+	"	move.4 0x10(%0), 0(%1)		\n\t"	\
+	"	move.4 0x14(%0), 4(%1)		\n\t"	\
+		:					\
+		: "a" (SECURITY_BASE), "a" (x)		\
+	)
+
+#define SEC_SET_KEY_4W(x) \
+	asm volatile ( \
+	"	; write key to Security Keyblock \n\t"	\
+	"	move.4 0x10(%0), 0(%1)		\n\t"	\
+	"	move.4 0x14(%0), 4(%1)		\n\t"	\
+	"	move.4 0x18(%0), 8(%1)		\n\t"	\
+	"	move.4 0x1c(%0), 12(%1)		\n\t"	\
+		:					\
+		: "a"(SECURITY_BASE), "a"(x)		\
+	)
+
+#define SEC_SET_KEY_6W(x)				\
+	asm volatile (					\
+	"	; write key to Security Keyblock \n\t"	\
+	"	move.4 0x10(%0), 0(%1)		\n\t"	\
+	"	move.4 0x14(%0), 4(%1)		\n\t"	\
+	"	move.4 0x18(%0), 8(%1)		\n\t"	\
+	"	move.4 0x1c(%0), 12(%1)		\n\t"	\
+	"	move.4 0x20(%0), 16(%1)		\n\t"	\
+	"	move.4 0x24(%0), 20(%1)		\n\t"	\
+		:					\
+		: "a" (SECURITY_BASE), "a" (x)		\
+	)
+
+#define SEC_SET_KEY_8W(x)				\
+	asm volatile (					\
+	"	; write key to Security Keyblock \n\t"	\
+	"	move.4 0x10(%0), 0(%1)		\n\t"	\
+	"	move.4 0x14(%0), 4(%1)		\n\t"	\
+	"	move.4 0x18(%0), 8(%1)		\n\t"	\
+	"	move.4 0x1c(%0), 12(%1)		\n\t"	\
+	"	move.4 0x20(%0), 16(%1)		\n\t"	\
+	"	move.4 0x24(%0), 20(%1)		\n\t"	\
+	"	move.4 0x28(%0), 24(%1)		\n\t"	\
+	"	move.4 0x2c(%0), 28(%1)		\n\t"	\
+		:					\
+		: "a" (SECURITY_BASE), "a" (x)		\
+	)
+
+#define SEC_SET_KEY_64(k)	SEC_SET_KEY_2W(k)
+#define SEC_SET_KEY_128(k)	SEC_SET_KEY_4W(k)
+#define SEC_SET_KEY_192(k)	SEC_SET_KEY_6W(k)
+#define SEC_SET_KEY_256(k)	SEC_SET_KEY_8W(k)
+
+#define DES_SET_KEY(x) 		SEC_SET_KEY_64(x)
+#define DES3_SET_KEY(x) 	SEC_SET_KEY_192(x)
+
+#define SEC_SET_INPUT_2W(x)				\
+	asm volatile (					\
+	"	; write key to Security Keyblock \n\t"	\
+	"	move.4 0x30(%0), 0(%1)		\n\t"	\
+	"	move.4 0x34(%0), 4(%1)		\n\t"	\
+		:					\
+		: "a" (SECURITY_BASE), "a" (x)		\
+	)
+
+#define SEC_GET_OUTPUT_2W(x)				\
+	asm volatile (					\
+	"	; write key to Security Keyblock \n\t"	\
+	"	move.4 0(%1), 0x50(%0)		\n\t"	\
+	"	move.4 4(%1), 0x54(%0)		\n\t"	\
+		:					\
+		: "a" (SECURITY_BASE), "a" (x)		\
+	)
+
+#define SEC_SET_INPUT_4W(x) \
+	asm volatile ( \
+	"	; write key to Security Keyblock \n\t"	\
+	"	move.4 0x30(%0), 0(%1)		\n\t"	\
+	"	move.4 0x34(%0), 4(%1)		\n\t"	\
+	"	move.4 0x38(%0), 8(%1)		\n\t"	\
+	"	move.4 0x3c(%0), 12(%1)		\n\t"	\
+		:					\
+		: "a" (SECURITY_BASE), "a" (x)		\
+	)
+
+#define SEC_GET_OUTPUT_4W(x)				\
+	asm volatile (					\
+	"	; read output from Security Keyblock \n\t" \
+	"	move.4 0(%1), 0x50(%0)		\n\t"	\
+	"	move.4 4(%1), 0x54(%0)		\n\t"	\
+	"	move.4 8(%1), 0x58(%0)		\n\t"	\
+	"	move.4 12(%1), 0x5c(%0)		\n\t"	\
+		:					\
+		: "a" (SECURITY_BASE), "a" (x)		\
+	)
+
+#define SEC_SET_IV_4W(x)				\
+	asm volatile (					\
+	"	; write IV to Security Keyblock  \n\t"	\
+	"	move.4 0x50(%0), 0(%1)		\n\t"	\
+	"	move.4 0x54(%0), 4(%1)		\n\t"	\
+	"	move.4 0x58(%0), 8(%1)		\n\t"	\
+	"	move.4 0x5c(%0), 12(%1)		\n\t"	\
+		:					\
+		: "a" (SECURITY_BASE), "a" (x)		\
+	)
+
+#define SEC_PIPE_FLUSH() asm volatile ( " pipe_flush 0 \n\t" )
+
+static inline void hw_crypto_set_ctrl(uint32_t c)
+{
+	asm volatile (
+	"	move.4	0(%0), %1		\n\t"
+		:
+		: "a" (SECURITY_BASE + SECURITY_CTRL), "d" (c)
+	);
+}
+
+static inline void hw_crypto_ps_start(void)
+{
+	crypto_ubicom32_ps_timer.expires = jiffies + msecs_to_jiffies(HW_CRYPTO_PS_MAX_IDLE_MS >> 1);
+	add_timer(&crypto_ubicom32_ps_timer);
+}
+
+static inline void hw_crypto_turn_on(void)
+{
+	asm volatile (
+	"	moveai  A4, %0			\n\t"
+	"	bset    0x0(A4), 0x0(A4), %1	\n\t"
+	"	cycles 11			\n\t"
+		:
+		: "i" (OCP_BASE >> 7), "i" (GEN_CLK_PLL_SECURITY_BIT_NO)
+		: "a4", "cc"
+	);
+	crypto_ubicom32_on = true;
+}
+
+static inline void hw_crypto_turn_off(void)
+{
+	asm volatile (
+	"	moveai  A4, %0			\n\t"
+	"	bclr    0x0(A4), 0x0(A4), %1	\n\t"
+		:
+		: "i" (OCP_BASE >> 7), "i" (GEN_CLK_PLL_SECURITY_BIT_NO)
+		: "a4", "cc"
+	);
+	crypto_ubicom32_on = false;
+}
+
+/*
+ * hw_crypto_check
+ * 	Most probably hw crypto is called in clusters and it makes no sense to turn it off
+ * 	and on and waster 13 cycles every time.
+ */
+static inline void hw_crypto_check(void)
+{
+	if (likely(crypto_ubicom32_on)) {
+		return;
+	}
+	crypto_ubicom32_last_use = jiffies;
+	hw_crypto_turn_on();
+	hw_crypto_ps_start();
+}
+
+/*
+ * hw_crypto_ps_init
+ * 	Init power save timer
+ */
+static inline void hw_crypto_ps_init(void)
+{
+	init_timer_deferrable(&crypto_ubicom32_ps_timer);
+	crypto_ubicom32_ps_timer.function = crypto_ubicom32_ps_check;
+	crypto_ubicom32_ps_timer.data = 0;
+}
+
+/*
+ * hw_crypto_init()
+ *      Initialize OCP security module lock and disables its clock.
+ */
+static inline void hw_crypto_init(void)
+{
+	if (!crypto_ubicom32_inited) {
+		crypto_ubicom32_inited = true;
+		spin_lock_init(&crypto_ubicom32_lock);
+		hw_crypto_ps_init();
+		hw_crypto_turn_off();
+	}
+}
+
+/*
+ * hw_crypto_lock()
+ *      Locks the OCP security module and enables its clock.
+ */
+static inline void hw_crypto_lock(void)
+{
+	spin_lock_bh(&crypto_ubicom32_lock);
+}
+
+/*
+ * hw_crypto_unlock()
+ *      Unlocks the OCP security module and disables its clock.
+ */
+static inline void hw_crypto_unlock(void)
+{
+	crypto_ubicom32_last_use = jiffies;
+	spin_unlock_bh(&crypto_ubicom32_lock);
+}
+
+#define CONFIG_CRYPTO_UBICOM32_DEBUG 1
+
+#ifdef CONFIG_CRYPTO_UBICOM32_DEBUG
+static inline void hex_dump(void *buf, int b_size, const char *msg)
+{
+	u8 *b = (u8 *)buf;
+	int i;
+	if (msg) {
+		printk("%s:\t", msg);
+	}
+
+	for (i=0; i < b_size; i++) {
+		printk("%02x ", b[i]);
+		if ((i & 3) == 3) {
+			printk(" ");
+		}
+		if ((i & 31) == 31) {
+			printk("\n");
+		}
+	}
+	printk("\n");
+}
+#define UBICOM32_SEC_DUMP(a, b, c) hex_dump(a, b, c)
+#else
+#define UBICOM32_SEC_DUMP(a, b, c)
+#endif
+
+#endif	/* _CRYPTO_ARCH_UBICOM32_CRYPT_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/crypto/des_check_key.c linux-2.6.30.10-ubi/arch/ubicom32/crypto/des_check_key.c
--- linux-2.6.30.10/arch/ubicom32/crypto/des_check_key.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/crypto/des_check_key.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,148 @@
+/*
+ * arch/ubicom32/crypto/des_check_key.c
+ *   Ubicom32 architecture function for checking keys for the DES and
+ *   Tripple DES Encryption algorithms.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * Originally released as descore by Dana L. How <how@isl.stanford.edu>.
+ * Modified by Raimar Falke <rf13@inf.tu-dresden.de> for the Linux-Kernel.
+ * Derived from Cryptoapi and Nettle implementations, adapted for in-place
+ * scatterlist interface.  Changed LGPL to GPL per section 3 of the LGPL.
+ *
+ * s390 Version:
+ *   Copyright IBM Corp. 2003
+ *   Author(s): Thomas Spatzier
+ *		Jan Glauber (jan.glauber@de.ibm.com)
+ *
+ * Derived from "crypto/des.c"
+ *   Copyright (c) 1992 Dana L. How.
+ *   Copyright (c) Raimar Falke <rf13@inf.tu-dresden.de>
+ *   Copyright (c) Gisle Sflensminde <gisle@ii.uib.no>
+ *   Copyright (C) 2001 Niels Mvller.
+ *   Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/crypto.h>
+#include "crypto_des.h"
+
+#define ROR(d,c,o)	((d) = (d) >> (c) | (d) << (o))
+
+static const u8 parity[] = {
+	8,1,0,8,0,8,8,0,0,8,8,0,8,0,2,8,0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,3,
+	0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8,
+	0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8,
+	8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8,0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,
+	0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8,
+	8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8,0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,
+	8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8,0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,
+	4,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,8,5,0,8,0,8,8,0,0,8,8,0,8,0,6,8,
+};
+
+/*
+ * RFC2451: Weak key checks SHOULD be performed.
+ */
+int
+crypto_des_check_key(const u8 *key, unsigned int keylen, u32 *flags)
+{
+	u32 n, w;
+
+	n  = parity[key[0]]; n <<= 4;
+	n |= parity[key[1]]; n <<= 4;
+	n |= parity[key[2]]; n <<= 4;
+	n |= parity[key[3]]; n <<= 4;
+	n |= parity[key[4]]; n <<= 4;
+	n |= parity[key[5]]; n <<= 4;
+	n |= parity[key[6]]; n <<= 4;
+	n |= parity[key[7]];
+	w = 0x88888888L;
+
+	if ((*flags & CRYPTO_TFM_REQ_WEAK_KEY)
+	    && !((n - (w >> 3)) & w)) {  /* 1 in 10^10 keys passes this test */
+		if (n < 0x41415151) {
+			if (n < 0x31312121) {
+				if (n < 0x14141515) {
+					/* 01 01 01 01 01 01 01 01 */
+					if (n == 0x11111111) goto weak;
+					/* 01 1F 01 1F 01 0E 01 0E */
+					if (n == 0x13131212) goto weak;
+				} else {
+					/* 01 E0 01 E0 01 F1 01 F1 */
+					if (n == 0x14141515) goto weak;
+					/* 01 FE 01 FE 01 FE 01 FE */
+					if (n == 0x16161616) goto weak;
+				}
+			} else {
+				if (n < 0x34342525) {
+					/* 1F 01 1F 01 0E 01 0E 01 */
+					if (n == 0x31312121) goto weak;
+					/* 1F 1F 1F 1F 0E 0E 0E 0E (?) */
+					if (n == 0x33332222) goto weak;
+				} else {
+					/* 1F E0 1F E0 0E F1 0E F1 */
+					if (n == 0x34342525) goto weak;
+					/* 1F FE 1F FE 0E FE 0E FE */
+					if (n == 0x36362626) goto weak;
+				}
+			}
+		} else {
+			if (n < 0x61616161) {
+				if (n < 0x44445555) {
+					/* E0 01 E0 01 F1 01 F1 01 */
+					if (n == 0x41415151) goto weak;
+					/* E0 1F E0 1F F1 0E F1 0E */
+					if (n == 0x43435252) goto weak;
+				} else {
+					/* E0 E0 E0 E0 F1 F1 F1 F1 (?) */
+					if (n == 0x44445555) goto weak;
+					/* E0 FE E0 FE F1 FE F1 FE */
+					if (n == 0x46465656) goto weak;
+				}
+			} else {
+				if (n < 0x64646565) {
+					/* FE 01 FE 01 FE 01 FE 01 */
+					if (n == 0x61616161) goto weak;
+					/* FE 1F FE 1F FE 0E FE 0E */
+					if (n == 0x63636262) goto weak;
+				} else {
+					/* FE E0 FE E0 FE F1 FE F1 */
+					if (n == 0x64646565) goto weak;
+					/* FE FE FE FE FE FE FE FE */
+					if (n == 0x66666666) goto weak;
+				}
+			}
+		}
+	}
+	return 0;
+weak:
+	*flags |= CRYPTO_TFM_RES_WEAK_KEY;
+	return -EINVAL;
+}
+
+EXPORT_SYMBOL(crypto_des_check_key);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Key Check function for DES &  DES3 Cipher Algorithms");
diff -ruN linux-2.6.30.10/arch/ubicom32/crypto/des_ubicom32.c linux-2.6.30.10-ubi/arch/ubicom32/crypto/des_ubicom32.c
--- linux-2.6.30.10/arch/ubicom32/crypto/des_ubicom32.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/crypto/des_ubicom32.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,761 @@
+/*
+ * arch/ubicom32/crypto/des_ubicom32.c
+ *   Ubicom32 implementation of the DES Cipher Algorithm.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <crypto/algapi.h>
+#include <linux/init.h>
+#include <linux/module.h>
+
+#include "crypto_ubicom32.h"
+extern int crypto_des_check_key(const u8 *key, unsigned int keylen, u32 *flags);
+
+#define DES_BLOCK_SIZE 8
+#define DES_KEY_SIZE 8
+
+#define DES3_192_KEY_SIZE	(3 * DES_KEY_SIZE)
+#define DES3_192_BLOCK_SIZE	DES_BLOCK_SIZE
+
+#define DES3_SUB_KEY(key, i) 	(((u8 *)key) + (i * DES_KEY_SIZE))
+
+enum des_ops {
+	DES_ENCRYPT,
+	DES_DECRYPT,
+
+	DES3_EDE_ENCRYPT,
+	DES3_EDE_DECRYPT,
+
+#ifdef DES3_EEE
+	DES3_EEE_ENCRYPT,
+	DES3_EEE_DECRYPT,
+#endif
+};
+
+struct ubicom32_des_ctx {
+	u8 key[3 * DES_KEY_SIZE];
+	u32 ctrl;
+	int key_len;
+};
+
+static inline void des_hw_set_key(const u8 *key, u8 key_len)
+{
+	/*
+	 * HW 3DES is not tested yet, use DES just as ipOS
+	 */
+	DES_SET_KEY(key);
+}
+
+static inline void des_hw_cipher(u8 *out, const u8 *in)
+{
+	SEC_SET_INPUT_2W(in);
+
+	asm volatile (
+	"	; start DES by writing 0x38(SECURITY_BASE)	\n\t"
+	"	move.4 0x38(%0), #0x01				\n\t"
+	"	pipe_flush 0					\n\t"
+	"							\n\t"
+	"	; wait for the module to calculate the output	\n\t"
+	"	btst 0x04(%0), #0				\n\t"
+	"	jmpne.f .-4					\n\t"
+		:
+		: "a" (SEC_BASE)
+		: "cc"
+	);
+
+	SEC_GET_OUTPUT_2W(out);
+}
+
+
+static void inline des3_hw_ede_encrypt(u8 *keys, u8 *out, const u8 *in)
+{
+	hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_ENCRYPT);
+	des_hw_set_key(DES3_SUB_KEY(keys, 0), DES_KEY_SIZE);
+	des_hw_cipher(out, in);
+
+	hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_DECRYPT);
+	des_hw_set_key(DES3_SUB_KEY(keys, 1), DES_KEY_SIZE);
+	des_hw_cipher(out, out);
+
+	hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_ENCRYPT);
+	des_hw_set_key(DES3_SUB_KEY(keys, 2), DES_KEY_SIZE);
+	des_hw_cipher(out, out);
+}
+
+static void inline des3_hw_ede_decrypt(u8 *keys, u8 *out, const u8 *in)
+{
+	hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_DECRYPT);
+	des_hw_set_key(DES3_SUB_KEY(keys, 2), DES_KEY_SIZE);
+	des_hw_cipher(out, in);
+
+	hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_ENCRYPT);
+	des_hw_set_key(DES3_SUB_KEY(keys, 1), DES_KEY_SIZE);
+	des_hw_cipher(out, out);
+
+	hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_DECRYPT);
+	des_hw_set_key(DES3_SUB_KEY(keys, 0), DES_KEY_SIZE);
+	des_hw_cipher(out, out);
+}
+
+#ifdef DES3_EEE
+static void inline des3_hw_eee_encrypt(u8 *keys, u8 *out, const u8 *in)
+{
+	hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_ENCRYPT);
+	des_hw_set_key(DES3_SUB_KEY(keys, 0), 2);
+	des_hw_cipher(out, in);
+
+	hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_ENCRYPT);
+	des_hw_set_key(DES3_SUB_KEY(keys, 1), 2);
+	des_hw_cipher(out, out);
+
+	hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_ENCRYPT);
+	des_hw_set_key(DES3_SUB_KEY(keys, 2), 2);
+	des_hw_cipher(out, out);
+}
+
+static void inline des3_hw_eee_decrypt(u8 *keys, u8 *out, const u8 *in)
+{
+	hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_DECRYPT);
+	des_hw_set_key(DES3_SUB_KEY(keys, 2), 2);
+	des_hw_cipher(out, in);
+
+	hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_DECRYPT);
+	des_hw_set_key(DES3_SUB_KEY(keys, 1), 2);
+	des_hw_cipher(out, out);
+
+	hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_DECRYPT);
+	des_hw_set_key(DES3_SUB_KEY(keys, 0), 2);
+	des_hw_cipher(out, out);
+}
+#endif
+
+static int des_setkey(struct crypto_tfm *tfm, const u8 *key,
+		      unsigned int keylen)
+{
+	struct ubicom32_des_ctx *dctx = crypto_tfm_ctx(tfm);
+	u32 *flags = &tfm->crt_flags;
+	int ret;
+
+	/* test if key is valid (not a weak key) */
+	ret = crypto_des_check_key(key, keylen, flags);
+	if (ret == 0) {
+		memcpy(dctx->key, key, keylen);
+		dctx->key_len = keylen;
+		//dctx->ctrl = (keylen == DES_KEY_SIZE) ? SEC_ALG_DES : SEC_ALG_3DES
+		/* 2DES and 3DES are both implemented with DES hw function */
+		dctx->ctrl = SEC_ALG_DES;
+	}
+	return ret;
+}
+
+static inline void des_cipher_1b(struct crypto_tfm *tfm, u8 *out, const u8 *in, u32 extra_flags)
+{
+	const struct ubicom32_des_ctx *uctx = crypto_tfm_ctx(tfm);
+
+	hw_crypto_lock();
+	hw_crypto_check();
+	hw_crypto_set_ctrl(uctx->ctrl | extra_flags);
+
+	des_hw_set_key(uctx->key, uctx->key_len);
+	des_hw_cipher(out, in);
+
+	hw_crypto_unlock();
+}
+
+static void des_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
+{
+	des_cipher_1b(tfm, out, in, SEC_DIR_ENCRYPT);
+}
+
+static void des_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
+{
+	des_cipher_1b(tfm, out, in, SEC_DIR_DECRYPT);
+}
+
+static struct crypto_alg des_alg = {
+	.cra_name		=	"des",
+	.cra_driver_name	=	"des-ubicom32",
+	.cra_priority		=	CRYPTO_UBICOM32_PRIORITY,
+	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
+	.cra_blocksize		=	DES_BLOCK_SIZE,
+	.cra_ctxsize		=	sizeof(struct ubicom32_des_ctx),
+	.cra_alignmask		=	CRYPTO_UBICOM32_ALIGNMENT - 1,
+	.cra_alignmask		=	CRYPTO_UBICOM32_ALIGNMENT - 1,
+	.cra_module		=	THIS_MODULE,
+	.cra_list		=	LIST_HEAD_INIT(des_alg.cra_list),
+	.cra_u			= {
+		.cipher = {
+			.cia_min_keysize	=	DES_KEY_SIZE,
+			.cia_max_keysize	=	DES_KEY_SIZE,
+			.cia_setkey		=	des_setkey,
+			.cia_encrypt		=	des_encrypt,
+			.cia_decrypt		=	des_decrypt,
+		}
+	}
+};
+
+static void ecb_des_ciper_loop(u8 *out, u8 *in, unsigned int n)
+{
+	while (likely(n)) {
+		des_hw_cipher(out, in);
+		out += DES_BLOCK_SIZE;
+		in += DES_BLOCK_SIZE;
+		n -= DES_BLOCK_SIZE;
+	}
+}
+
+static void ecb_des3_ede_encrypt_loop(u8 *keys, u8 *out, u8 *in, unsigned int n)
+{
+	while (likely(n)) {
+		des3_hw_ede_encrypt(keys, out, in);
+
+		out += DES_BLOCK_SIZE;
+		in += DES_BLOCK_SIZE;
+		n -= DES_BLOCK_SIZE;
+	}
+}
+
+static void ecb_des3_ede_decrypt_loop(u8 *keys, u8 *out, u8 *in, unsigned int n)
+{
+	while (likely(n)) {
+		des3_hw_ede_decrypt(keys, out, in);
+
+		out += DES_BLOCK_SIZE;
+		in += DES_BLOCK_SIZE;
+		n -= DES_BLOCK_SIZE;
+	}
+}
+
+#ifdef DES3_EEE
+static void ecb_des3_eee_encrypt_loop(u8 *keys, u8 *out, u8 *in, unsigned int n)
+{
+	while (likely(n)) {
+		des3_hw_eee_encrypt(keys, out, in);
+
+		out += DES_BLOCK_SIZE;
+		in += DES_BLOCK_SIZE;
+		n -= DES_BLOCK_SIZE;
+	}
+}
+
+static void ecb_des3_eee_decrypt_loop(u8 *keys, u8 *out, u8 *in, unsigned int n)
+{
+	while (likely(n)) {
+		des3_hw_eee_decrypt(keys, out, in);
+
+		out += DES_BLOCK_SIZE;
+		in += DES_BLOCK_SIZE;
+		n -= DES_BLOCK_SIZE;
+	}
+}
+#endif
+
+static inline void ecb_des_cipher_n(struct ubicom32_des_ctx *uctx, enum des_ops op, u8 *out, u8 *in, unsigned int n)
+{
+	switch (op) {
+	case DES_ENCRYPT:
+	case DES_DECRYPT:
+		/* set the right algo, direction and key once */
+		hw_crypto_set_ctrl(SEC_ALG_DES | (op == DES_ENCRYPT ? SEC_DIR_ENCRYPT : 0));
+		des_hw_set_key(uctx->key, uctx->key_len);
+		ecb_des_ciper_loop(out, in, n);
+		break;
+
+	case DES3_EDE_ENCRYPT:
+		ecb_des3_ede_encrypt_loop(uctx->key, out, in, n);
+		break;
+
+	case DES3_EDE_DECRYPT:
+		ecb_des3_ede_decrypt_loop(uctx->key, out, in, n);
+		break;
+
+#ifdef DES3_EEE
+	case DES3_EEE_ENCRYPT:
+		ecb_des3_eee_encrypt_loop(uctx->key, out, in, n);
+		break;
+
+	case DES3_EEE_DECRYPT:
+		ecb_des3_eee_decrypt_loop(uctx->key, out, in, n);
+		break;
+#endif
+	}
+}
+
+static inline void des_xor_2w(u32 *data, u32 *iv)
+{
+	data[0] ^= iv[0];
+	data[1] ^= iv[1];
+}
+
+static void cbc_des_encrypt_loop(u8 *out, u8 *in, u8 *iv, unsigned int n)
+{
+	while (likely(n)) {
+		des_xor_2w((u32 *)in, (u32 *)iv);
+		des_hw_cipher(out, in);
+		SEC_COPY_2W(iv, out);
+		out += DES_BLOCK_SIZE;
+		in += DES_BLOCK_SIZE;
+		n -= DES_BLOCK_SIZE;
+	}
+}
+
+static void cbc_des_decrypt_loop(u8 *out, u8 *in, u8 *iv, unsigned int n)
+{
+	u8 next_iv[DES_BLOCK_SIZE];
+	while (likely(n)) {
+		SEC_COPY_2W(next_iv, in);
+		des_hw_cipher(out, in);
+		des_xor_2w((u32 *)out, (u32 *)iv);
+		SEC_COPY_2W(iv, next_iv);
+
+		out += DES_BLOCK_SIZE;
+		in += DES_BLOCK_SIZE;
+		n -= DES_BLOCK_SIZE;
+	}
+}
+
+static void cbc_des3_ede_encrypt_loop(u8 *keys, u8 *out, u8 *in, u8 *iv, unsigned int n)
+{
+	while (likely(n)) {
+		des_xor_2w((u32 *)in, (u32 *)iv);
+		des3_hw_ede_encrypt(keys, out, in);
+		SEC_COPY_2W(iv, out);
+
+		out += DES_BLOCK_SIZE;
+		in += DES_BLOCK_SIZE;
+		n -= DES_BLOCK_SIZE;
+	}
+}
+
+static void cbc_des3_ede_decrypt_loop(u8 *keys, u8 *out, u8 *in, u8 *iv, unsigned int n)
+{
+	u8 next_iv[DES_BLOCK_SIZE];
+	while (likely(n)) {
+		SEC_COPY_2W(next_iv, in);
+		des3_hw_ede_decrypt(keys, out, in);
+		des_xor_2w((u32 *)out, (u32 *)iv);
+		SEC_COPY_2W(iv, next_iv);
+
+		out += DES_BLOCK_SIZE;
+		in += DES_BLOCK_SIZE;
+		n -= DES_BLOCK_SIZE;
+	}
+}
+
+#ifdef DES3_EEE
+static void cbc_des3_eee_encrypt_loop(u8 *keys, u8 *out, u8 *in, u8 *iv, unsigned int n)
+{
+	while (likely(n)) {
+		des_xor_2w((u32 *)in, (u32 *)iv);
+		des3_hw_eee_encrypt(keys, out, in);
+		SEC_COPY_2W(iv, out);
+
+		out += DES_BLOCK_SIZE;
+		in += DES_BLOCK_SIZE;
+		n -= DES_BLOCK_SIZE;
+	}
+}
+
+static void cbc_des3_eee_decrypt_loop(u8 *keys, u8 *out, u8 *in, u8 *iv, unsigned int n)
+{
+	u8 next_iv[DES_BLOCK_SIZE];
+	while (likely(n)) {
+		SEC_COPY_2W(next_iv, in);
+		des3_hw_eee_decrypt(keys, out, in);
+		des_xor_2w((u32 *)out, (u32 *)iv);
+		SEC_COPY_2W(iv, next_iv);
+
+		out += DES_BLOCK_SIZE;
+		in += DES_BLOCK_SIZE;
+		n -= DES_BLOCK_SIZE;
+	}
+}
+#endif
+
+static inline void cbc_des_cipher_n(struct ubicom32_des_ctx *uctx, enum des_ops op, u8 *out, u8 *in, u8 *iv, unsigned int n)
+{
+	switch (op) {
+	case DES_ENCRYPT:
+		hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_ENCRYPT);
+		des_hw_set_key(uctx->key, uctx->key_len);
+		cbc_des_encrypt_loop(out, in, iv, n);
+		break;
+
+	case DES_DECRYPT:
+		/* set the right algo, direction and key once */
+		hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_DECRYPT);
+		des_hw_set_key(uctx->key, uctx->key_len);
+		cbc_des_decrypt_loop(out, in, iv, n);
+		break;
+
+	case DES3_EDE_ENCRYPT:
+		cbc_des3_ede_encrypt_loop(uctx->key, out, in, iv, n);
+		break;
+
+	case DES3_EDE_DECRYPT:
+		cbc_des3_ede_decrypt_loop(uctx->key, out, in, iv, n);
+		break;
+
+#ifdef DES3_EEE
+	case DES3_EEE_ENCRYPT:
+		cbc_des3_eee_encrypt_loop(uctx->key, out, in, iv, n);
+		break;
+
+	case DES3_EEE_DECRYPT:
+		cbc_des3_eee_decrypt_loop(uctx->key, out, in, iv, n);
+		break;
+#endif
+	}
+}
+
+static int des_cipher(struct blkcipher_desc *desc, struct scatterlist *dst,
+		      struct scatterlist *src, unsigned int nbytes, u32 extra_flags, enum des_ops op)
+{
+	struct ubicom32_des_ctx *uctx = crypto_blkcipher_ctx(desc->tfm);
+	int ret;
+
+	struct blkcipher_walk walk;
+	blkcipher_walk_init(&walk, dst, src, nbytes);
+	ret = blkcipher_walk_virt(desc, &walk);
+	if (ret) {
+		return ret;
+	}
+
+	hw_crypto_lock();
+	hw_crypto_check();
+
+	while ((nbytes = walk.nbytes)) {
+		/* only use complete blocks */
+		unsigned int n = nbytes & ~(DES_BLOCK_SIZE - 1);
+		u8 *out = walk.dst.virt.addr;
+		u8 *in = walk.src.virt.addr;
+
+		/* finish n/16 blocks */
+		if (extra_flags & SEC_CBC_SET) {
+			cbc_des_cipher_n(uctx, op, out, in, walk.iv, n);
+		} else {
+			ecb_des_cipher_n(uctx, op, out, in, n);
+		}
+
+		nbytes &= DES_BLOCK_SIZE - 1;
+		ret = blkcipher_walk_done(desc, &walk, nbytes);
+	}
+
+	hw_crypto_unlock();
+	return ret;
+}
+
+static int ecb_des_encrypt(struct blkcipher_desc *desc,
+			   struct scatterlist *dst, struct scatterlist *src,
+			   unsigned int nbytes)
+{
+	return des_cipher(desc, dst, src, nbytes, SEC_CBC_NONE, DES_ENCRYPT);
+}
+
+static int ecb_des_decrypt(struct blkcipher_desc *desc,
+			   struct scatterlist *dst, struct scatterlist *src,
+			   unsigned int nbytes)
+{
+	return des_cipher(desc, dst, src, nbytes, SEC_CBC_NONE, DES_DECRYPT);
+}
+
+static struct crypto_alg ecb_des_alg = {
+	.cra_name		=	"ecb(des)",
+	.cra_driver_name	=	"ecb-des-ubicom32",
+	.cra_priority		=	CRYPTO_UBICOM32_COMPOSITE_PRIORITY,
+	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER,
+	.cra_blocksize		=	DES_BLOCK_SIZE,
+	.cra_ctxsize		=	sizeof(struct ubicom32_des_ctx),
+	.cra_alignmask		=	CRYPTO_UBICOM32_ALIGNMENT - 1,
+	.cra_type		=	&crypto_blkcipher_type,
+	.cra_module		=	THIS_MODULE,
+	.cra_list		=	LIST_HEAD_INIT(ecb_des_alg.cra_list),
+	.cra_u			= {
+		.blkcipher = {
+			.min_keysize		=	DES_KEY_SIZE,
+			.max_keysize		=	DES_KEY_SIZE,
+			.setkey			=	des_setkey,
+			.encrypt		=	ecb_des_encrypt,
+			.decrypt		=	ecb_des_decrypt,
+		}
+	}
+};
+
+static int cbc_des_encrypt(struct blkcipher_desc *desc,
+			   struct scatterlist *dst, struct scatterlist *src,
+			   unsigned int nbytes)
+{
+	return des_cipher(desc, dst, src, nbytes, SEC_CBC_SET, DES_ENCRYPT);
+}
+
+static int cbc_des_decrypt(struct blkcipher_desc *desc,
+			   struct scatterlist *dst, struct scatterlist *src,
+			   unsigned int nbytes)
+{
+	return des_cipher(desc, dst, src, nbytes, SEC_CBC_SET, DES_DECRYPT);
+}
+
+static struct crypto_alg cbc_des_alg = {
+	.cra_name		=	"cbc(des)",
+	.cra_driver_name	=	"cbc-des-ubicom32",
+	.cra_priority		=	CRYPTO_UBICOM32_COMPOSITE_PRIORITY,
+	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER,
+	.cra_blocksize		=	DES_BLOCK_SIZE,
+	.cra_ctxsize		=	sizeof(struct ubicom32_des_ctx),
+	.cra_alignmask		=	CRYPTO_UBICOM32_ALIGNMENT - 1,
+	.cra_type		=	&crypto_blkcipher_type,
+	.cra_module		=	THIS_MODULE,
+	.cra_list		=	LIST_HEAD_INIT(cbc_des_alg.cra_list),
+	.cra_u			= {
+		.blkcipher = {
+			.min_keysize		=	DES_KEY_SIZE,
+			.max_keysize		=	DES_KEY_SIZE,
+			.ivsize			=	DES_BLOCK_SIZE,
+			.setkey			=	des_setkey,
+			.encrypt		=	cbc_des_encrypt,
+			.decrypt		=	cbc_des_decrypt,
+		}
+	}
+};
+
+/*
+ * RFC2451:
+ *
+ *   For DES-EDE3, there is no known need to reject weak or
+ *   complementation keys.  Any weakness is obviated by the use of
+ *   multiple keys.
+ *
+ *   However, if the first two or last two independent 64-bit keys are
+ *   equal (k1 == k2 or k2 == k3), then the DES3 operation is simply the
+ *   same as DES.  Implementers MUST reject keys that exhibit this
+ *   property.
+ *
+ */
+static int des3_192_setkey(struct crypto_tfm *tfm, const u8 *key,
+			   unsigned int keylen)
+{
+	int i, ret;
+	struct ubicom32_des_ctx *dctx = crypto_tfm_ctx(tfm);
+	const u8 *temp_key = key;
+	u32 *flags = &tfm->crt_flags;
+
+	if (!(memcmp(key, &key[DES_KEY_SIZE], DES_KEY_SIZE) &&
+	    memcmp(&key[DES_KEY_SIZE], &key[DES_KEY_SIZE * 2],
+		   DES_KEY_SIZE))) {
+
+		*flags |= CRYPTO_TFM_RES_BAD_KEY_SCHED;
+		return -EINVAL;
+	}
+	for (i = 0; i < 3; i++, temp_key += DES_KEY_SIZE) {
+		ret = crypto_des_check_key(temp_key, DES_KEY_SIZE, flags);
+		if (ret < 0)
+			return ret;
+	}
+	memcpy(dctx->key, key, keylen);
+	dctx->ctrl = SEC_ALG_DES;	//hw 3DES not working yet
+	dctx->key_len = keylen;
+	return 0;
+}
+
+static void des3_192_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
+{
+	struct ubicom32_des_ctx *uctx = crypto_tfm_ctx(tfm);
+
+	hw_crypto_lock();
+	hw_crypto_check();
+
+	des3_hw_ede_encrypt(uctx->key, dst, src);
+
+	hw_crypto_unlock();
+}
+
+static void des3_192_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
+{
+	struct ubicom32_des_ctx *uctx = crypto_tfm_ctx(tfm);
+
+	hw_crypto_lock();
+	hw_crypto_check();
+
+	des3_hw_ede_decrypt(uctx->key, dst, src);
+
+	hw_crypto_unlock();
+}
+
+static struct crypto_alg des3_192_alg = {
+	.cra_name		=	"des3_ede",
+	.cra_driver_name	=	"des3_ede-ubicom32",
+	.cra_priority		=	CRYPTO_UBICOM32_PRIORITY,
+	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
+	.cra_blocksize		=	DES3_192_BLOCK_SIZE,
+	.cra_ctxsize		=	sizeof(struct ubicom32_des_ctx),
+	.cra_alignmask		=	CRYPTO_UBICOM32_ALIGNMENT - 1,
+	.cra_module		=	THIS_MODULE,
+	.cra_list		=	LIST_HEAD_INIT(des3_192_alg.cra_list),
+	.cra_u			= {
+		.cipher = {
+			.cia_min_keysize	=	DES3_192_KEY_SIZE,
+			.cia_max_keysize	=	DES3_192_KEY_SIZE,
+			.cia_setkey		=	des3_192_setkey,
+			.cia_encrypt		=	des3_192_encrypt,
+			.cia_decrypt		=	des3_192_decrypt,
+		}
+	}
+};
+
+static int ecb_des3_192_encrypt(struct blkcipher_desc *desc,
+				struct scatterlist *dst,
+				struct scatterlist *src, unsigned int nbytes)
+{
+	return des_cipher(desc, dst, src, nbytes, SEC_CBC_NONE, DES3_EDE_ENCRYPT);
+}
+
+static int ecb_des3_192_decrypt(struct blkcipher_desc *desc,
+				struct scatterlist *dst,
+				struct scatterlist *src, unsigned int nbytes)
+{
+	return des_cipher(desc, dst, src, nbytes, SEC_CBC_NONE, DES3_EDE_DECRYPT);
+}
+
+static struct crypto_alg ecb_des3_192_alg = {
+	.cra_name		=	"ecb(des3_ede)",
+	.cra_driver_name	=	"ecb-des3_ede-ubicom32",
+	.cra_priority		=	CRYPTO_UBICOM32_COMPOSITE_PRIORITY,
+	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER,
+	.cra_blocksize		=	DES3_192_BLOCK_SIZE,
+	.cra_ctxsize		=	sizeof(struct ubicom32_des_ctx),
+	.cra_alignmask		=	CRYPTO_UBICOM32_ALIGNMENT - 1,
+	.cra_type		=	&crypto_blkcipher_type,
+	.cra_module		=	THIS_MODULE,
+	.cra_list		=	LIST_HEAD_INIT(
+						ecb_des3_192_alg.cra_list),
+	.cra_u			= {
+		.blkcipher = {
+			.min_keysize		=	DES3_192_KEY_SIZE,
+			.max_keysize		=	DES3_192_KEY_SIZE,
+			.setkey			=	des3_192_setkey,
+			.encrypt		=	ecb_des3_192_encrypt,
+			.decrypt		=	ecb_des3_192_decrypt,
+		}
+	}
+};
+
+static int cbc_des3_192_encrypt(struct blkcipher_desc *desc,
+				struct scatterlist *dst,
+				struct scatterlist *src, unsigned int nbytes)
+{
+	return des_cipher(desc, dst, src, nbytes, SEC_CBC_SET, DES3_EDE_ENCRYPT);
+}
+
+static int cbc_des3_192_decrypt(struct blkcipher_desc *desc,
+				struct scatterlist *dst,
+				struct scatterlist *src, unsigned int nbytes)
+{
+	return des_cipher(desc, dst, src, nbytes, SEC_CBC_SET, DES3_EDE_DECRYPT);
+}
+
+static struct crypto_alg cbc_des3_192_alg = {
+	.cra_name		=	"cbc(des3_ede)",
+	.cra_driver_name	=	"cbc-des3_ede-ubicom32",
+	.cra_priority		=	CRYPTO_UBICOM32_COMPOSITE_PRIORITY,
+	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER,
+	.cra_blocksize		=	DES3_192_BLOCK_SIZE,
+	.cra_ctxsize		=	sizeof(struct ubicom32_des_ctx),
+	.cra_alignmask		=	CRYPTO_UBICOM32_ALIGNMENT - 1,
+	.cra_type		=	&crypto_blkcipher_type,
+	.cra_module		=	THIS_MODULE,
+	.cra_list		=	LIST_HEAD_INIT(
+						cbc_des3_192_alg.cra_list),
+	.cra_u			= {
+		.blkcipher = {
+			.min_keysize		=	DES3_192_KEY_SIZE,
+			.max_keysize		=	DES3_192_KEY_SIZE,
+			.ivsize			=	DES3_192_BLOCK_SIZE,
+			.setkey			=	des3_192_setkey,
+			.encrypt		=	cbc_des3_192_encrypt,
+			.decrypt		=	cbc_des3_192_decrypt,
+		}
+	}
+};
+
+static int init(void)
+{
+	int ret = 0;
+
+	hw_crypto_init();
+
+	ret = crypto_register_alg(&des_alg);
+	if (ret)
+		goto des_err;
+	ret = crypto_register_alg(&ecb_des_alg);
+	if (ret)
+		goto ecb_des_err;
+	ret = crypto_register_alg(&cbc_des_alg);
+	if (ret)
+		goto cbc_des_err;
+
+	ret = crypto_register_alg(&des3_192_alg);
+	if (ret)
+		goto des3_192_err;
+	ret = crypto_register_alg(&ecb_des3_192_alg);
+	if (ret)
+		goto ecb_des3_192_err;
+	ret = crypto_register_alg(&cbc_des3_192_alg);
+	if (ret)
+		goto cbc_des3_192_err;
+
+out:
+	return ret;
+
+cbc_des3_192_err:
+	crypto_unregister_alg(&ecb_des3_192_alg);
+ecb_des3_192_err:
+	crypto_unregister_alg(&des3_192_alg);
+des3_192_err:
+	crypto_unregister_alg(&cbc_des_alg);
+cbc_des_err:
+	crypto_unregister_alg(&ecb_des_alg);
+ecb_des_err:
+	crypto_unregister_alg(&des_alg);
+des_err:
+	goto out;
+}
+
+static void __exit fini(void)
+{
+	crypto_unregister_alg(&cbc_des3_192_alg);
+	crypto_unregister_alg(&ecb_des3_192_alg);
+	crypto_unregister_alg(&des3_192_alg);
+	crypto_unregister_alg(&cbc_des_alg);
+	crypto_unregister_alg(&ecb_des_alg);
+	crypto_unregister_alg(&des_alg);
+}
+
+module_init(init);
+module_exit(fini);
+
+MODULE_ALIAS("des");
+MODULE_ALIAS("des3_ede");
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("DES & Triple DES EDE Cipher Algorithms");
diff -ruN linux-2.6.30.10/arch/ubicom32/crypto/Makefile linux-2.6.30.10-ubi/arch/ubicom32/crypto/Makefile
--- linux-2.6.30.10/arch/ubicom32/crypto/Makefile	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/crypto/Makefile	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,36 @@
+#
+# arch/ubicom32/crypto/Makefile
+#	<TODO: Replace with short file description>
+#
+# (C) Copyright 2009, Ubicom, Inc.
+#
+# This file is part of the Ubicom32 Linux Kernel Port.
+#
+# The Ubicom32 Linux Kernel Port is free software: you can redistribute
+# it and/or modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation, either version 2 of the
+# License, or (at your option) any later version.
+#
+# The Ubicom32 Linux Kernel Port is distributed in the hope that it
+# will be useful, but WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+# the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with the Ubicom32 Linux Kernel Port.  If not,
+# see <http://www.gnu.org/licenses/>.
+#
+# Ubicom32 implementation derived from (with many thanks):
+#   arch/m68knommu
+#   arch/blackfin
+#   arch/parisc
+#
+obj-$(CONFIG_CRYPTO_UBICOM32) += crypto_ubicom32.o
+obj-$(CONFIG_CRYPTO_AES_UBICOM32) += aes_ubicom32.o
+obj-$(CONFIG_CRYPTO_DES_UBICOM32) += des.o
+obj-$(CONFIG_CRYPTO_MD5_UBICOM32) += md5.o
+obj-$(CONFIG_CRYPTO_SHA1_UBICOM32) += sha1.o
+
+des-y := des_ubicom32.o des_check_key.o
+md5-y := md5_ubicom32.o md5_ubicom32_asm.o
+sha1-y := sha1_ubicom32.o
diff -ruN linux-2.6.30.10/arch/ubicom32/crypto/md5_ubicom32_asm.S linux-2.6.30.10-ubi/arch/ubicom32/crypto/md5_ubicom32_asm.S
--- linux-2.6.30.10/arch/ubicom32/crypto/md5_ubicom32_asm.S	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/crypto/md5_ubicom32_asm.S	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,234 @@
+/*
+ * arch/ubicom32/crypto/md5_ubicom32_asm.S
+ *	MD5 (Message Digest 5) support for Ubicom32 v3 architecture
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#define __ASM__
+#include <asm/ip5000.h>
+
+#ifndef RP
+#define RP A5
+#endif
+
+;*****************************************************************************************
+; The function prototypes
+;*****************************************************************************************
+; void md5_ip5k_init(void)
+; void md5_ip5k_transform(u32_t *data_input)
+; void md5_get_digest(u32_t *digest)
+
+;*****************************************************************************************
+; Inputs
+;*****************************************************************************************;
+; data_input is the pointer to the block of data over which the digest will be calculated.
+;	It should be word aligned.
+;
+; digest is the pointer to the block of data into which the digest (the output) will be written.
+;	It should be word aligned.
+;
+
+;*****************************************************************************************
+; Outputs
+;*****************************************************************************************
+; None
+
+;*****************************************************************************************
+; An: Address Registers
+;*****************************************************************************************
+#define an_digest A3
+#define an_data_input A3
+#define an_security_block A4
+
+;*****************************************************************************************
+; Hash Constants
+;*****************************************************************************************
+#define HASH_MD5_IN0 0x01234567
+#define HASH_MD5_IN1 0x89abcdef
+#define HASH_MD5_IN2 0xfedcba98
+#define HASH_MD5_IN3 0x76543210
+
+#define HASH_SECURITY_BLOCK_CONTROL_INIT_NO_ENCYPTION 2
+#define HASH_SECURITY_BLOCK_CONTROL_INIT_MD5 ((1 << 4) | HASH_SECURITY_BLOCK_CONTROL_INIT_NO_ENCYPTION)
+
+;*****************************************************************************************
+; Hash related defines
+;*****************************************************************************************
+#define hash_control 0x00(an_security_block)
+#define hash_control_low 0x02(an_security_block)
+#define hash_status 0x04(an_security_block)
+
+#define hash_input_0 0x30(an_security_block)
+#define hash_input_1 0x34(an_security_block)
+#define hash_input_2 0x38(an_security_block)
+#define hash_input_3 0x3c(an_security_block)
+#define hash_input_4 0x40(an_security_block)
+
+#define hash_output_0 0x70(an_security_block)
+#define hash_output_0_low 0x72(an_security_block)
+#define hash_output_1 0x74(an_security_block)
+#define hash_output_1_low 0x76(an_security_block)
+#define hash_output_2 0x78(an_security_block)
+#define hash_output_2_low 0x7a(an_security_block)
+#define hash_output_3 0x7c(an_security_block)
+#define hash_output_3_low 0x7e(an_security_block)
+
+;*****************************************************************************************
+; Assembly macros
+;*****************************************************************************************
+	; C compiler reserves RP (A5) for return address during subroutine call.
+	; Use RP to return to caller
+.macro	call_return_macro
+	calli	RP, 0(RP)
+.endm
+
+#if 0
+;*****************************************************************************************
+;	void md5_ip5k_init(void)
+;		initialize the output registers of the hash module
+;
+	;.section .text.md5_ip5k_init,"ax",@progbits
+	.section .text
+	.global	_md5_ip5k_init
+	.func md5_ip5k_init, _md5_ip5k_init
+
+_md5_ip5k_init:
+	moveai an_security_block, #SECURITY_BASE_EFFECTIVE_ADDRESS
+
+	movei hash_control, #%hi(HASH_SECURITY_BLOCK_CONTROL_INIT_MD5)
+	movei hash_control_low, #%lo(HASH_SECURITY_BLOCK_CONTROL_INIT_MD5)
+
+	movei hash_output_0, #%hi(HASH_MD5_IN0)
+	movei hash_output_0_low, #%lo(HASH_MD5_IN0)
+
+	movei hash_output_1, #%hi(HASH_MD5_IN1)
+	movei hash_output_1_low, #%lo(HASH_MD5_IN1)
+
+	movei hash_output_2, #%hi(HASH_MD5_IN2)
+	movei hash_output_2_low, #%lo(HASH_MD5_IN2)
+
+	movei hash_output_3, #%hi(HASH_MD5_IN3)
+	movei hash_output_3_low, #%lo(HASH_MD5_IN3)
+
+	call_return_macro
+	.endfunc
+#endif
+
+;*****************************************************************************************
+;	void md5_ip5k_init_digest(u32_t *hash_input)
+;		initialize the output registers of the hash module
+
+	;.section .text.md5_ip5k_init_digest,"ax",@progbits
+	.section .text
+	.global	_md5_ip5k_init_digest
+	.func md5_ip5k_init_digest, _md5_ip5k_init_digest
+
+_md5_ip5k_init_digest:
+	movea an_data_input, D0
+
+	moveai an_security_block, #SECURITY_BASE_EFFECTIVE_ADDRESS
+
+	movei hash_control, #%hi(HASH_SECURITY_BLOCK_CONTROL_INIT_MD5)
+	movei hash_control_low, #%lo(HASH_SECURITY_BLOCK_CONTROL_INIT_MD5)
+
+	move.4 hash_output_0, (an_data_input)4++
+	move.4 hash_output_1, (an_data_input)4++
+	move.4 hash_output_2, (an_data_input)4++
+	move.4 hash_output_3, (an_data_input)4++
+
+	call_return_macro
+	.endfunc
+
+;*****************************************************************************************
+;	void md5_ip5k_transform(u32_t *data_input)
+;		performs intermediate transformation step for the hash calculation
+;
+	;.sect .text.md5_ip5k_transform,"ax",@progbits
+	.section .text
+	.global	_md5_ip5k_transform
+	.func md5_ip5k_transform, _md5_ip5k_transform
+
+_md5_ip5k_transform:
+	movea an_data_input, D0
+
+	moveai an_security_block, #SECURITY_BASE_EFFECTIVE_ADDRESS
+
+	; Write the first 128bits (16 bytes)
+	move.4 hash_input_0, (an_data_input)4++
+	move.4 hash_input_1, (an_data_input)4++
+	move.4 hash_input_2, (an_data_input)4++
+	move.4 hash_input_3, (an_data_input)4++
+	move.4 hash_input_4, D0
+
+	move.4 hash_input_0, (an_data_input)4++
+	move.4 hash_input_1, (an_data_input)4++
+	move.4 hash_input_2, (an_data_input)4++
+	move.4 hash_input_3, (an_data_input)4++
+	move.4 hash_input_4, D0
+
+	move.4 hash_input_0, (an_data_input)4++
+	move.4 hash_input_1, (an_data_input)4++
+	move.4 hash_input_2, (an_data_input)4++
+	move.4 hash_input_3, (an_data_input)4++
+	move.4 hash_input_4, D0
+
+	move.4 hash_input_0, (an_data_input)4++
+	move.4 hash_input_1, (an_data_input)4++
+	move.4 hash_input_2, (an_data_input)4++
+	move.4 hash_input_3, (an_data_input)4++
+	move.4 hash_input_4, D0
+
+	pipe_flush 0
+
+md5_ip5k_transform_wait:
+	; wait for the module to calculate the output hash
+	btst hash_status, #0
+	jmpne.f md5_ip5k_transform_wait
+
+	call_return_macro
+	.endfunc
+
+;*****************************************************************************************
+;	void md5_ip5k_get_digest(u32_t *digest)
+;		Return the hash of the input data
+;
+	;.sect .text.md5_get_digest,"ax",@progbits
+	.section .text
+	.global	_md5_ip5k_get_digest
+	.func md5_ip5k_get_digest, _md5_ip5k_get_digest
+
+_md5_ip5k_get_digest:
+	movea an_digest, D0
+
+	moveai an_security_block, #SECURITY_BASE_EFFECTIVE_ADDRESS
+
+	; we have finished
+	move.4 0(an_digest), hash_output_0
+	move.4 4(an_digest), hash_output_1
+	move.4 8(an_digest), hash_output_2
+	move.4 12(an_digest), hash_output_3
+
+	call_return_macro
+	.endfunc
diff -ruN linux-2.6.30.10/arch/ubicom32/crypto/md5_ubicom32.c linux-2.6.30.10-ubi/arch/ubicom32/crypto/md5_ubicom32.c
--- linux-2.6.30.10/arch/ubicom32/crypto/md5_ubicom32.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/crypto/md5_ubicom32.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,200 @@
+/*
+ * arch/ubicom32/crypto/md5_ubicom32.c
+ *   Ubicom32 implementation of the MD5 Secure Hash Algorithm
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/crypto.h>
+
+#include "crypto_ubicom32.h"
+
+#define MD5_DIGEST_SIZE	16
+#define MD5_BLOCK_SIZE	64
+#define MD5_HASH_WORDS	4
+
+extern void _md5_ip5k_init_digest(u32_t *digest);
+extern void _md5_ip5k_transform(u32_t *data_input);
+extern void _md5_ip5k_get_digest(u32_t *digest);
+
+struct ubicom32_md5_ctx {
+	u64 count;		/* message length */
+	u32 state[MD5_HASH_WORDS];
+	u8 buf[2 * MD5_BLOCK_SIZE];
+};
+
+static void md5_init(struct crypto_tfm *tfm)
+{
+	struct ubicom32_md5_ctx *mctx = crypto_tfm_ctx(tfm);
+	mctx->state[0] = 0x01234567;
+	mctx->state[1] = 0x89abcdef;
+	mctx->state[2] = 0xfedcba98;
+	mctx->state[3] = 0x76543210;
+
+	mctx->count = 0;
+}
+
+static inline void _md5_process(u32 *digest, const u8 *data)
+{
+	_md5_ip5k_transform((u32 *)data);
+}
+
+static void md5_update(struct crypto_tfm *tfm, const u8 *data,
+			unsigned int len)
+{
+	struct ubicom32_md5_ctx *mctx = crypto_tfm_ctx(tfm);
+	int index, clen;
+
+	/* how much is already in the buffer? */
+	index = mctx->count & 0x3f;
+
+	mctx->count += len;
+
+	if (index + len < MD5_BLOCK_SIZE) {
+		goto store_only;
+	}
+
+	hw_crypto_lock();
+	hw_crypto_check();
+
+	/* init digest set ctrl register too */
+	_md5_ip5k_init_digest(mctx->state);
+
+	if (unlikely(index == 0 && SEC_ALIGNED(data))) {
+fast_process:
+		while (len >= MD5_BLOCK_SIZE) {
+			_md5_process(mctx->state, data);
+			data += MD5_BLOCK_SIZE;
+			len -= MD5_BLOCK_SIZE;
+		}
+		goto store;
+	}
+
+	/* process one stored block */
+	if (index) {
+		clen = MD5_BLOCK_SIZE - index;
+		memcpy(mctx->buf + index, data, clen);
+		_md5_process(mctx->state, mctx->buf);
+		data += clen;
+		len -= clen;
+		index = 0;
+	}
+
+	if (likely(SEC_ALIGNED(data))) {
+		goto fast_process;
+	}
+
+	/* process as many blocks as possible */
+	while (len >= MD5_BLOCK_SIZE) {
+		memcpy(mctx->buf, data, MD5_BLOCK_SIZE);
+		_md5_process(mctx->state, mctx->buf);
+		data += MD5_BLOCK_SIZE;
+		len -= MD5_BLOCK_SIZE;
+	}
+
+store:
+	_md5_ip5k_get_digest(mctx->state);
+	hw_crypto_unlock();
+
+store_only:
+	/* anything left? */
+	if (len)
+		memcpy(mctx->buf + index , data, len);
+}
+
+/* Add padding and return the message digest. */
+static void md5_final(struct crypto_tfm *tfm, u8 *out)
+{
+	struct ubicom32_md5_ctx *mctx = crypto_tfm_ctx(tfm);
+	u32 bits[2];
+	unsigned int index, end;
+
+	/* must perform manual padding */
+	index = mctx->count & 0x3f;
+	end =  (index < 56) ? MD5_BLOCK_SIZE : (2 * MD5_BLOCK_SIZE);
+
+	/* start pad with 1 */
+	mctx->buf[index] = 0x80;
+
+	/* pad with zeros */
+	index++;
+	memset(mctx->buf + index, 0x00, end - index - 8);
+
+	/* append message length */
+	bits[0] = mctx->count << 3;
+	bits[1] = mctx->count >> 29;
+	__cpu_to_le32s(bits);
+	__cpu_to_le32s(bits + 1);
+
+	memcpy(mctx->buf + end - 8, &bits, sizeof(bits));
+
+	/* force to use the mctx->buf and ignore the partial buf */
+	mctx->count = mctx->count & ~0x3f;
+	md5_update(tfm, mctx->buf, end);
+
+	/* copy digest to out */
+	memcpy(out, mctx->state, MD5_DIGEST_SIZE);
+
+	/* wipe context */
+	memset(mctx, 0, sizeof *mctx);
+}
+
+static struct crypto_alg alg = {
+	.cra_name	=	"md5",
+	.cra_driver_name=	"md5-ubicom32",
+	.cra_priority	=	CRYPTO_UBICOM32_PRIORITY,
+	.cra_flags	=	CRYPTO_ALG_TYPE_DIGEST,
+	.cra_blocksize	=	MD5_BLOCK_SIZE,
+	.cra_ctxsize	=	sizeof(struct ubicom32_md5_ctx),
+	.cra_module	=	THIS_MODULE,
+	.cra_list	=	LIST_HEAD_INIT(alg.cra_list),
+	.cra_u = {
+		.digest = {
+			.dia_digestsize =       MD5_DIGEST_SIZE,
+			.dia_init       =       md5_init,
+			.dia_update     =       md5_update,
+			.dia_final      =       md5_final,
+		}
+	}
+};
+
+static int __init init(void)
+{
+	hw_crypto_init();
+	return crypto_register_alg(&alg);
+}
+
+static void __exit fini(void)
+{
+	crypto_unregister_alg(&alg);
+}
+
+module_init(init);
+module_exit(fini);
+
+MODULE_ALIAS("md5");
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("MD5 Secure Hash Algorithm");
diff -ruN linux-2.6.30.10/arch/ubicom32/crypto/sha1_ubicom32_asm.S linux-2.6.30.10-ubi/arch/ubicom32/crypto/sha1_ubicom32_asm.S
--- linux-2.6.30.10/arch/ubicom32/crypto/sha1_ubicom32_asm.S	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/crypto/sha1_ubicom32_asm.S	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,244 @@
+/*
+ * arch/ubicom32/crypto/sha1_ubicom32_asm.S
+ *	SHA1 hash support for Ubicom32 architecture V3.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#define __ASM__
+#include <asm/ip5000.h>
+
+#ifndef RP
+#define RP A5
+#endif
+
+;*****************************************************************************************
+; The function prototype
+;*****************************************************************************************
+; void sha1_ip5k_init(void)
+; void sha1_ip5k_transform(u32_t *data_input)
+; void sha1_ip5k_output(u32_t *digest)
+
+;*****************************************************************************************
+; Inputs
+;*****************************************************************************************
+; data_input is the pointer to the block of data over which the digest will be calculated.
+;	It should be word aligned.
+;
+; digest is the pointer to the block of data into which the digest (the output) will be written.
+;	It should be word aligned.
+;
+
+;*****************************************************************************************
+; Outputs
+;*****************************************************************************************
+; None
+
+;*****************************************************************************************
+; Hash Constants
+;*****************************************************************************************
+#define HASH_SHA1_IN0 0x67452301
+#define HASH_SHA1_IN1 0xefcdab89
+#define HASH_SHA1_IN2 0x98badcfe
+#define HASH_SHA1_IN3 0x10325476
+#define HASH_SHA1_IN4 0xc3d2e1f0
+
+#define HASH_SECURITY_BLOCK_CONTROL_INIT_NO_ENCYPTION 2
+#define HASH_SECURITY_BLOCK_CONTROL_INIT_SHA1 ((1 << 5) | HASH_SECURITY_BLOCK_CONTROL_INIT_NO_ENCYPTION)
+
+;*****************************************************************************************
+; An: Address Registers
+;*****************************************************************************************
+#define an_digest a4
+#define an_data_input a4
+#define an_security_block a3
+
+;*****************************************************************************************
+; Hash related defines
+;*****************************************************************************************
+#define hash_control 0x00(an_security_block)
+#define hash_control_low 0x02(an_security_block)
+#define hash_status 0x04(an_security_block)
+
+#define hash_input_0 0x30(an_security_block)
+#define hash_input_1 0x34(an_security_block)
+#define hash_input_2 0x38(an_security_block)
+#define hash_input_3 0x3c(an_security_block)
+#define hash_input_4 0x40(an_security_block)
+
+#define hash_output_0 0x70(an_security_block)
+#define hash_output_0_low 0x72(an_security_block)
+#define hash_output_1 0x74(an_security_block)
+#define hash_output_1_low 0x76(an_security_block)
+#define hash_output_2 0x78(an_security_block)
+#define hash_output_2_low 0x7a(an_security_block)
+#define hash_output_3 0x7c(an_security_block)
+#define hash_output_3_low 0x7e(an_security_block)
+#define hash_output_4 0x80(an_security_block)
+#define hash_output_4_low 0x82(an_security_block)
+
+;*****************************************************************************************
+; Assembly macros
+;*****************************************************************************************
+	; C compiler reserves RP (A5) for return address during subroutine call.
+	; Use RP to return to caller
+.macro	call_return_macro
+	calli	RP, 0(RP)
+.endm
+
+;*****************************************************************************************
+;	void sha1_ip5k_init(void)
+;		initialize the output registers of the hash module
+
+	;.section .text.sha1_ip5k_init,"ax",@progbits
+	.section .ocm_text,"ax",@progbits
+	.global	_sha1_ip5k_init
+	.func sha1_ip5k_init, _sha1_ip5k_init
+
+_sha1_ip5k_init:
+	moveai an_security_block, #SECURITY_BASE_EFFECTIVE_ADDRESS
+
+	movei hash_control, #%hi(HASH_SECURITY_BLOCK_CONTROL_INIT_SHA1)
+	movei hash_control_low, #%lo(HASH_SECURITY_BLOCK_CONTROL_INIT_SHA1)
+
+	movei hash_output_0, #%hi(HASH_SHA1_IN0)
+	movei hash_output_0_low, #%lo(HASH_SHA1_IN0)
+
+	movei hash_output_1, #%hi(HASH_SHA1_IN1)
+	movei hash_output_1_low, #%lo(HASH_SHA1_IN1)
+
+	movei hash_output_2, #%hi(HASH_SHA1_IN2)
+	movei hash_output_2_low, #%lo(HASH_SHA1_IN2)
+
+	movei hash_output_3, #%hi(HASH_SHA1_IN3)
+	movei hash_output_3_low, #%lo(HASH_SHA1_IN3)
+
+	movei hash_output_4, #%hi(HASH_SHA1_IN4)
+	movei hash_output_4_low, #%lo(HASH_SHA1_IN4)
+
+	call_return_macro
+	.endfunc
+
+;*****************************************************************************************
+;	void sha1_ip5k_init_digest(u32_t *hash_input)
+;		initialize the output registers of the hash module
+
+	;.section .text.sha1_ip5k_init_digest,"ax",@progbits
+	.section .ocm_text,"ax",@progbits
+	.global	_sha1_ip5k_init_digest
+	.func sha1_ip5k_init_digest, _sha1_ip5k_init_digest
+
+_sha1_ip5k_init_digest:
+	movea an_data_input, D0
+
+	moveai an_security_block, #SECURITY_BASE_EFFECTIVE_ADDRESS
+
+	movei hash_control, #%hi(HASH_SECURITY_BLOCK_CONTROL_INIT_SHA1)
+	movei hash_control_low, #%lo(HASH_SECURITY_BLOCK_CONTROL_INIT_SHA1)
+
+	move.4 hash_output_0, (an_data_input)4++
+	move.4 hash_output_1, (an_data_input)4++
+	move.4 hash_output_2, (an_data_input)4++
+	move.4 hash_output_3, (an_data_input)4++
+	move.4 hash_output_4, (an_data_input)4++
+
+	call_return_macro
+	.endfunc
+
+;*****************************************************************************************
+;	void sha1_ip5k_transform(u32_t *data_input)
+;		performs intermediate transformation step for the hash calculation
+
+	;.section .text.sha1_ip5k_transform,"ax",@progbits
+	.section .ocm_text,"ax",@progbits
+	.global	_sha1_ip5k_transform
+	.func sha1_ip5k_transform, _sha1_ip5k_transform
+
+_sha1_ip5k_transform:
+	movea an_data_input, D0
+
+	moveai an_security_block, #SECURITY_BASE_EFFECTIVE_ADDRESS
+
+	; Write the first 128bits (16 bytes)
+	move.4 hash_input_0, (an_data_input)4++
+	move.4 hash_input_1, (an_data_input)4++
+	move.4 hash_input_2, (an_data_input)4++
+	move.4 hash_input_3, (an_data_input)4++
+	move.4 hash_input_4, D0
+
+	move.4 hash_input_0, (an_data_input)4++
+	move.4 hash_input_1, (an_data_input)4++
+	move.4 hash_input_2, (an_data_input)4++
+	move.4 hash_input_3, (an_data_input)4++
+	move.4 hash_input_4, D0
+
+	move.4 hash_input_0, (an_data_input)4++
+	move.4 hash_input_1, (an_data_input)4++
+	move.4 hash_input_2, (an_data_input)4++
+	move.4 hash_input_3, (an_data_input)4++
+	move.4 hash_input_4, D0
+
+	move.4 hash_input_0, (an_data_input)4++
+	move.4 hash_input_1, (an_data_input)4++
+	move.4 hash_input_2, (an_data_input)4++
+	move.4 hash_input_3, (an_data_input)4++
+	move.4 hash_input_4, D0
+
+	pipe_flush 0
+
+sha1_ip5k_transform_wait:
+	; wait for the module to calculate the output hash
+	btst hash_status, #0
+	jmpne.f sha1_ip5k_transform_wait
+
+	call_return_macro
+	.endfunc
+
+;*****************************************************************************************
+;	void sha1_ip5k_output(u32_t *digest)
+;		Return the hash of the input data
+
+	;.section .text.sha1_ip5k_output,"ax",@progbits
+	.section .ocm_text,"ax",@progbits
+	.global	_sha1_ip5k_output
+	.func sha1_ip5k_output, _sha1_ip5k_output
+
+_sha1_ip5k_output:
+	movea an_digest, D0
+
+	moveai an_security_block, #SECURITY_BASE_EFFECTIVE_ADDRESS
+
+	; we have finished
+	move.4 0(an_digest), hash_output_0
+	move.4 4(an_digest), hash_output_1
+	move.4 8(an_digest), hash_output_2
+	move.4 12(an_digest), hash_output_3
+	move.4 16(an_digest), hash_output_4
+
+	call_return_macro
+	.endfunc
+
+;*****************************************************************************************
+;END			;End of program code
+;*****************************************************************************************
diff -ruN linux-2.6.30.10/arch/ubicom32/crypto/sha1_ubicom32.c linux-2.6.30.10-ubi/arch/ubicom32/crypto/sha1_ubicom32.c
--- linux-2.6.30.10/arch/ubicom32/crypto/sha1_ubicom32.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/crypto/sha1_ubicom32.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,354 @@
+/*
+ * arch/ubicom32/crypto/sha1_ubicom32.c
+ *   Ubicom32 implementation of the SHA1 Secure Hash Algorithm.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/crypto.h>
+#include <crypto/sha.h>
+#include <asm/linkage.h>
+
+#include "crypto_ubicom32.h"
+#define HASH_SECURITY_BLOCK_CONTROL_INIT_NO_ENCYPTION 2
+#define HASH_SECURITY_BLOCK_CONTROL_INIT_SHA1 ((1 << 5) | HASH_SECURITY_BLOCK_CONTROL_INIT_NO_ENCYPTION)
+
+struct ubicom32_sha1_ctx {
+	u64 count;		/* message length */
+	u32 state[5];
+	u8 buf[2 * SHA1_BLOCK_SIZE];
+};
+
+static inline void sha1_clear_2ws(u8 *buf, int wc)
+{
+	asm volatile (
+	"1:	move.4	(%0)4++, #0		\n\t"
+	"	move.4	(%0)4++, #0		\n\t"
+	"	sub.4	%1, #2, %1		\n\t"
+	"	jmple.f	1b			\n\t"
+		:
+		: "a" (buf), "d" (wc)
+		: "cc"
+	);
+}
+
+/* only wipe out count, state, and 1st half of buf - 9 bytes at most */
+#define sha1_wipe_out(sctx) sha1_clear_2ws((u8 *)sctx, 2 + 5 + 16 - 2)
+
+static inline void sha1_init_digest(u32 *digest)
+{
+	hw_crypto_set_ctrl(HASH_SECURITY_BLOCK_CONTROL_INIT_SHA1);
+	asm volatile (
+	"	; move digests to hash_output regs	\n\t"
+	"	move.4	0x70(%0), 0x0(%1)		\n\t"
+	"	move.4	0x74(%0), 0x4(%1)		\n\t"
+	"	move.4	0x78(%0), 0x8(%1)		\n\t"
+	"	move.4	0x7c(%0), 0xc(%1)		\n\t"
+	"	move.4	0x80(%0), 0x10(%1)		\n\t"
+		:
+		: "a" (SEC_BASE), "a" (digest)
+	);
+}
+
+static inline void sha1_transform_feed(const u8 *in)
+{
+	asm volatile (
+	"	; write the 1st 16 bytes	\n\t"
+	"	move.4	0x30(%0), 0x0(%1)	\n\t"
+	"	move.4	0x34(%0), 0x4(%1)	\n\t"
+	"	move.4	0x38(%0), 0x8(%1)	\n\t"
+	"	move.4	0x3c(%0), 0xc(%1)	\n\t"
+	"	move.4	0x40(%0), %1		\n\t"
+	"	; write the 2nd 16 bytes	\n\t"
+	"	move.4	0x30(%0), 0x10(%1)	\n\t"
+	"	move.4	0x34(%0), 0x14(%1)	\n\t"
+	"	move.4	0x38(%0), 0x18(%1)	\n\t"
+	"	move.4	0x3c(%0), 0x1c(%1)	\n\t"
+	"	move.4	0x40(%0), %1		\n\t"
+	"	; write the 3rd 16 bytes	\n\t"
+	"	move.4	0x30(%0), 0x20(%1)	\n\t"
+	"	move.4	0x34(%0), 0x24(%1)	\n\t"
+	"	move.4	0x38(%0), 0x28(%1)	\n\t"
+	"	move.4	0x3c(%0), 0x2c(%1)	\n\t"
+	"	move.4	0x40(%0), %1		\n\t"
+	"	; write the 4th 16 bytes	\n\t"
+	"	move.4	0x30(%0), 0x30(%1)	\n\t"
+	"	move.4	0x34(%0), 0x34(%1)	\n\t"
+	"	move.4	0x38(%0), 0x38(%1)	\n\t"
+	"	move.4	0x3c(%0), 0x3c(%1)	\n\t"
+	"	move.4	0x40(%0), %1		\n\t"
+	"	pipe_flush 0			\n\t"
+		:
+		: "a"(SEC_BASE), "a"(in)
+	);
+}
+
+static inline void sha1_transform_wait(void)
+{
+	asm volatile (
+	"	btst	0x04(%0), #0		\n\t"
+	"	jmpne.f -4			\n\t"
+		:
+		: "a"(SEC_BASE)
+		: "cc"
+	);
+}
+
+static inline void sha1_output_digest(u32 *digest)
+{
+	asm volatile (
+	"	move.4	0x0(%1), 0x70(%0)		\n\t"
+	"	move.4	0x4(%1), 0x74(%0)		\n\t"
+	"	move.4	0x8(%1), 0x78(%0)		\n\t"
+	"	move.4	0xc(%1), 0x7c(%0)		\n\t"
+	"	move.4	0x10(%1), 0x80(%0)		\n\t"
+		:
+		: "a" (SEC_BASE), "a" (digest)
+	);
+}
+
+static __ocm_text void sha1_init(struct crypto_tfm *tfm)
+{
+	struct ubicom32_sha1_ctx *sctx = crypto_tfm_ctx(tfm);
+
+	sctx->state[0] = SHA1_H0;
+	sctx->state[1] = SHA1_H1;
+	sctx->state[2] = SHA1_H2;
+	sctx->state[3] = SHA1_H3;
+	sctx->state[4] = SHA1_H4;
+	sctx->count = 0;
+}
+
+static void __ocm_text sha1_update(struct crypto_tfm *tfm, const u8 *data,
+			unsigned int len)
+{
+	struct ubicom32_sha1_ctx *sctx = crypto_tfm_ctx(tfm);
+	int index, clen;
+
+	/* how much is already in the buffer? */
+	index = sctx->count & 0x3f;
+
+	sctx->count += len;
+
+	if (index + len < SHA1_BLOCK_SIZE) {
+		goto store_only;
+	}
+
+	hw_crypto_lock();
+	hw_crypto_check();
+
+	/* init digest set ctrl register too */
+	sha1_init_digest(sctx->state);
+
+	if (unlikely(index == 0 && SEC_ALIGNED(data))) {
+fast_process:
+#if CRYPTO_UBICOM32_LOOP_ASM
+		if (likely(len >= SHA1_BLOCK_SIZE)) {
+			register unsigned int cnt = len >> 6; 	// loop = len / 64;
+			sha1_transform_feed(data);
+			data += SHA1_BLOCK_SIZE;
+
+			/* cnt is pre-decremented in the loop */
+			asm volatile (
+			"; while (--loop):  work on 2nd block   \n\t"
+			"1:	add.4	%2, #-1, %2		\n\t"
+			"	jmpeq.f	5f			\n\t"
+			"					\n\t"
+			"	; write the 1st 16 bytes	\n\t"
+			"	move.4	0x30(%1), (%0)4++	\n\t"
+			"	move.4	0x34(%1), (%0)4++	\n\t"
+			"	move.4	0x38(%1), (%0)4++	\n\t"
+			"	move.4	0x3c(%1), (%0)4++	\n\t"
+			"	; can not kick off hw before it \n\t"
+			"	; is done with the prev block   \n\t"
+			"					\n\t"
+			"	btst	0x04(%1), #0		\n\t"
+			"	jmpne.f	-4			\n\t"
+			"					\n\t"
+			"	; tell hw to load 1st 16 bytes  \n\t"
+			"	move.4	0x40(%1), %2		\n\t"
+			"					\n\t"
+			"	; write the 2nd 16 bytes	\n\t"
+			"	move.4	0x30(%1), (%0)4++	\n\t"
+			"	move.4	0x34(%1), (%0)4++	\n\t"
+			"	move.4	0x38(%1), (%0)4++	\n\t"
+			"	move.4	0x3c(%1), (%0)4++	\n\t"
+			"	move.4	0x40(%1), %2		\n\t"
+			"					\n\t"
+			"	; write the 3rd 16 bytes	\n\t"
+			"	move.4	0x30(%1), (%0)4++	\n\t"
+			"	move.4	0x34(%1), (%0)4++	\n\t"
+			"	move.4	0x38(%1), (%0)4++	\n\t"
+			"	move.4	0x3c(%1), (%0)4++	\n\t"
+			"	move.4	0x40(%1), %2		\n\t"
+			"					\n\t"
+			"	; write the 4th 16 bytes	\n\t"
+			"	move.4	0x30(%1), (%0)4++	\n\t"
+			"	move.4	0x34(%1), (%0)4++	\n\t"
+			"	move.4	0x38(%1), (%0)4++	\n\t"
+			"	move.4	0x3c(%1), (%0)4++	\n\t"
+			"	move.4	0x40(%1), %2		\n\t"
+			"					\n\t"
+			"; no need flush, enough insts		\n\t"
+			"; before next hw wait			\n\t"
+			"					\n\t"
+			"; go back to loop			\n\t"
+			"	jmpt 1b				\n\t"
+			"					\n\t"
+			"; wait hw for last block		\n\t"
+			"5:	btst 0x04(%1), #0		\n\t"
+			"	jmpne.f -4			\n\t"
+			"					\n\t"
+				: "+a" (data)
+				: "a"( SEC_BASE), "d" (cnt)
+				: "cc"
+			);
+
+			len = len & (64 - 1);
+		}
+#else
+		while (likely(len >= SHA1_BLOCK_SIZE)) {
+			sha1_transform_feed(data);
+			data += SHA1_BLOCK_SIZE;
+			len -= SHA1_BLOCK_SIZE;
+			sha1_transform_wait();
+		}
+#endif
+		goto store;
+	}
+
+	/* process one stored block */
+	if (index) {
+		clen = SHA1_BLOCK_SIZE - index;
+		memcpy(sctx->buf + index, data, clen);
+		sha1_transform_feed(sctx->buf);
+		data += clen;
+		len -= clen;
+		index = 0;
+		sha1_transform_wait();
+	}
+
+	if (likely(SEC_ALIGNED(data))) {
+		goto fast_process;
+	}
+
+	/* process as many blocks as possible */
+	if (likely(len >= SHA1_BLOCK_SIZE)) {
+		memcpy(sctx->buf, data, SHA1_BLOCK_SIZE);
+		do {
+			sha1_transform_feed(sctx->buf);
+			data += SHA1_BLOCK_SIZE;
+			len -= SHA1_BLOCK_SIZE;
+			if (likely(len >= SHA1_BLOCK_SIZE)) {
+				memcpy(sctx->buf, data, SHA1_BLOCK_SIZE);
+				sha1_transform_wait();
+				continue;
+			}
+			/* it is the last block */
+			sha1_transform_wait();
+			break;
+		} while (1);
+	}
+
+store:
+	sha1_output_digest(sctx->state);
+	hw_crypto_unlock();
+
+store_only:
+	/* anything left? */
+	if (len)
+		memcpy(sctx->buf + index , data, len);
+}
+
+/* Add padding and return the message digest. */
+static void __ocm_text sha1_final(struct crypto_tfm *tfm, u8 *out)
+{
+	struct ubicom32_sha1_ctx *sctx = crypto_tfm_ctx(tfm);
+	u64 bits;
+	unsigned int index, end;
+
+	/* must perform manual padding */
+	index = sctx->count & 0x3f;
+	end =  (index < 56) ? SHA1_BLOCK_SIZE : (2 * SHA1_BLOCK_SIZE);
+
+	/* start pad with 1 */
+	sctx->buf[index] = 0x80;
+
+	/* pad with zeros */
+	index++;
+	memset(sctx->buf + index, 0x00, end - index - 8);
+
+	/* append message length */
+	bits = sctx->count << 3 ;
+	SEC_COPY_2W(sctx->buf + end - 8, &bits);
+
+	/* force to use the sctx->buf and ignore the partial buf */
+	sctx->count = sctx->count & ~0x3f;
+	sha1_update(tfm, sctx->buf, end);
+
+	/* copy digest to out */
+	SEC_COPY_5W(out, sctx->state);
+
+	/* wipe context */
+	sha1_wipe_out(sctx);
+}
+
+static struct crypto_alg alg = {
+	.cra_name	=	"sha1",
+	.cra_driver_name=	"sha1-ubicom32",
+	.cra_priority	=	CRYPTO_UBICOM32_PRIORITY,
+	.cra_flags	=	CRYPTO_ALG_TYPE_DIGEST,
+	.cra_blocksize	=	SHA1_BLOCK_SIZE,
+	.cra_ctxsize	=	sizeof(struct ubicom32_sha1_ctx),
+	.cra_module	=	THIS_MODULE,
+	.cra_list	=	LIST_HEAD_INIT(alg.cra_list),
+	.cra_u	  = {
+		.digest = {
+			.dia_digestsize =       SHA1_DIGEST_SIZE,
+			.dia_init       =       sha1_init,
+			.dia_update     =       sha1_update,
+			.dia_final      =       sha1_final,
+		}
+	}
+};
+
+static int __init init(void)
+{
+	hw_crypto_init();
+	return crypto_register_alg(&alg);
+}
+
+static void __exit fini(void)
+{
+	crypto_unregister_alg(&alg);
+}
+
+module_init(init);
+module_exit(fini);
+
+MODULE_ALIAS("sha1");
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm");
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/a.out.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/a.out.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/a.out.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/a.out.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,47 @@
+/*
+ * arch/ubicom32/include/asm/a.out.h
+ *   Definitions for Ubicom32 a.out executable format.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_A_OUT_H
+#define _ASM_UBICOM32_A_OUT_H
+
+struct exec
+{
+  unsigned long a_info;		/* Use macros N_MAGIC, etc for access */
+  unsigned a_text;		/* length of text, in bytes */
+  unsigned a_data;		/* length of data, in bytes */
+  unsigned a_bss;		/* length of uninitialized data area for file, in bytes */
+  unsigned a_syms;		/* length of symbol table data in file, in bytes */
+  unsigned a_entry;		/* start address */
+  unsigned a_trsize;		/* length of relocation info for text, in bytes */
+  unsigned a_drsize;		/* length of relocation info for data, in bytes */
+};
+
+#define N_TRSIZE(a)	((a).a_trsize)
+#define N_DRSIZE(a)	((a).a_drsize)
+#define N_SYMSIZE(a)	((a).a_syms)
+
+#endif /* _ASM_UBICOM32_A_OUT_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/atomic.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/atomic.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/atomic.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/atomic.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,348 @@
+/*
+ * arch/ubicom32/include/asm/atomic.h
+ *   Atomic operations definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_ATOMIC_H
+#define _ASM_UBICOM32_ATOMIC_H
+
+#include <asm/system.h>
+#include <asm/ubicom32-common.h>
+#include <asm/types.h>
+
+/*
+ * Most instructions on the Ubicom32 processor are atomic in that they
+ * execute in one clock cycle.  However, Linux has several operations
+ * (e.g. compare and swap) which will require more than a single instruction
+ * to perform.   To achieve this, the Ubicom32 processor uses a single
+ * global bit in a scratchpad register as a critical section lock. All
+ * atomic operations acquire this lock.
+ *
+ * NOTE: To AVOID DEADLOCK(s), the atomic lock must only be used for atomic
+ * operations or by the ldsr to avoid disabling a thread performing an atomic
+ * operation.
+ *
+ * Do not attempt to disable interrupts while holding the atomic operations
+ * lock or you will DEADLOCK the system.
+ */
+
+#define ATOMIC_INIT(i)	{ (i) }
+
+/*
+ * __atomic_add()
+ * 	Add i to v and return the result.
+ */
+static inline void __atomic_add(int i, atomic_t *v)
+{
+	atomic_t *vt = v;
+
+	__atomic_lock_acquire();
+	vt->counter += i;
+	__atomic_lock_release();
+}
+
+/*
+ * __atomic_sub()
+ * 	Subtract i from v and return the result.
+ */
+static inline void __atomic_sub(int i, atomic_t *v)
+{
+	atomic_t *vt = v;
+
+	__atomic_lock_acquire();
+	vt->counter -= i;
+	__atomic_lock_release();
+}
+
+/*
+ * __atomic_add_return()
+ * 	Add i to v and return the result.
+ *
+ * The implementation here looks rather odd because we appear to be doing
+ * the addition twice.  In fact that's exactly what we're doing but with
+ * the ubicom32 instruction set we can do the inner load and add with two
+ * instructions whereas generating both the atomic result and the "ret"
+ * result requires three instructions.  The second add is generally only as
+ * costly as a move instruction and in cases where we compare the result
+ * with a constant the compiler can fold two constant values and do a
+ * single instruction, thus saving an instruction overall!
+ *
+ * At the worst we save one instruction inside the atomic lock.
+ */
+static inline int __atomic_add_return(int i, atomic_t *v)
+{
+	int ret;
+	atomic_t *vt = v;
+
+	__atomic_lock_acquire();
+	ret = vt->counter;
+	vt->counter = ret + i;
+	__atomic_lock_release();
+
+	return ret + i;
+}
+
+/*
+ * __atomic_sub_return()
+ * 	Subtract i from v and return the result.
+ *
+ * The implementation here looks rather odd because we appear to be doing
+ * the subtraction twice.  In fact that's exactly what we're doing but with
+ * the ubicom32 instruction set we can do the inner load and sub with two
+ * instructions whereas generating both the atomic result and the "ret"
+ * result requires three instructions.  The second sub is generally only as
+ * costly as a move instruction and in cases where we compare the result
+ * with a constant the compiler can fold two constant values and do a
+ * single instruction, thus saving an instruction overall!
+ *
+ * At the worst we save one instruction inside the atomic lock.
+ */
+static inline int __atomic_sub_return(int i, atomic_t *v)
+{
+	int ret;
+	atomic_t *vt = v;
+
+	__atomic_lock_acquire();
+	ret = vt->counter;
+	vt->counter = ret - i;
+	__atomic_lock_release();
+
+	return ret - i;
+}
+
+/*
+ * PUBLIC API FOR ATOMIC!
+ */
+#define atomic_add(i,v)	(__atomic_add( ((int)i),(v)))
+#define atomic_sub(i,v)	(__atomic_sub( ((int)i),(v)))
+#define atomic_inc(v)	(__atomic_add(   1,(v)))
+#define atomic_dec(v)	(__atomic_sub(   1,(v)))
+#define atomic_add_return(i,v)	(__atomic_add_return( ((int)i),(v)))
+#define atomic_sub_return(i,v)	(__atomic_sub_return( ((int)i),(v)))
+#define atomic_inc_return(v)	(__atomic_add_return(   1,(v)))
+#define atomic_dec_return(v)	(__atomic_sub_return(   1,(v)))
+#define atomic_inc_and_test(v)	(atomic_inc_return(v) == 0)
+#define atomic_dec_and_test(v)	(atomic_dec_return(v) == 0)
+#define atomic_add_negative(a, v)	(atomic_add_return((a), (v)) < 0)
+#define atomic_sub_and_test(i,v)	(atomic_sub_return((i),(v)) == 0)
+
+/*
+ * atomic_read()
+ * 	Acquire the atomic lock and read the variable.
+ */
+static inline int atomic_read(const atomic_t *v)
+{
+	int ret;
+	const atomic_t *vt = v;
+
+	__atomic_lock_acquire();
+	ret = vt->counter;
+	__atomic_lock_release();
+
+	return ret;
+}
+
+/*
+ * atomic_set()
+ * 	Acquire the atomic lock and set the variable.
+ */
+static inline void atomic_set(atomic_t *v, int i)
+{
+	atomic_t *vt = v;
+
+	__atomic_lock_acquire();
+	vt->counter = i;
+	__atomic_lock_release();
+}
+
+/*
+ * atomic_cmpxchg
+ * 	Acquire the atomic lock and exchange if current == old.
+ */
+static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
+{
+	int prev;
+	atomic_t *vt = v;
+
+	__atomic_lock_acquire();
+	prev = vt->counter;
+	if (prev == old) {
+		vt->counter = new;
+	}
+	__atomic_lock_release();
+
+	return prev;
+}
+
+/*
+ * atomic_xchg()
+ * 	Acquire the atomic lock and exchange values.
+ */
+static inline int atomic_xchg(atomic_t *v, int new)
+{
+	int prev;
+	atomic_t *vt = v;
+
+	__atomic_lock_acquire();
+	prev = vt->counter;
+	vt->counter = new;
+	__atomic_lock_release();
+
+	return prev;
+}
+
+/*
+ * atomic_add_unless()
+ * 	Acquire the atomic lock and add a unless the value is u.
+ */
+static inline int atomic_add_unless(atomic_t *v, int a, int u)
+{
+	int prev;
+	atomic_t *vt = v;
+
+	__atomic_lock_acquire();
+	prev = vt->counter;
+	if (prev != u) {
+		vt->counter += a;
+		__atomic_lock_release();
+		return 1;
+	}
+
+	__atomic_lock_release();
+	return 0;
+}
+
+#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
+
+#include <asm-generic/atomic.h>
+
+/*
+ * The following is not a real function.  The compiler should remove the function
+ * call as long as the user does not pass in a size that __xchg and __cmpxchg
+ * are not prepared for.  If the user does pass in an unknown size, the user
+ * will get a link time error.
+ *
+ * The no return is to prevent a compiler error that can occur when dealing with
+ * uninitialized variables. Given that the function doesn't exist there is no
+ * net effect (and if it did it would not return).
+ */
+extern void __xchg_called_with_bad_pointer(void) __attribute__((noreturn));
+
+/*
+ * __xchg()
+ *	Xchange *ptr for x atomically.
+ *
+ * Must be both locally atomic and atomic on SMP. Ubicom32 does not have an
+ * atomic exchange instruction so we use the global atomic_lock.
+ */
+static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size)
+{
+	unsigned long ret;
+
+	__atomic_lock_acquire();
+
+	switch (size) {
+	case 1:
+		ret = *(volatile unsigned char *)ptr;
+		*(volatile unsigned char *)ptr = x;
+		break;
+
+	case 2:
+		ret = *(volatile unsigned short *)ptr;
+		*(volatile unsigned short *)ptr = x;
+		break;
+
+	case 4:
+		ret = *(volatile unsigned int *)ptr;
+		*(volatile unsigned int *)ptr = x;
+		break;
+
+	default:
+		__xchg_called_with_bad_pointer();
+		break;
+	}
+	__atomic_lock_release();
+	return ret;
+}
+
+#define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
+
+/*
+ * __cmpxchg()
+ *	Compare and Xchange *ptr for x atomically.
+ *
+ * Must be both locally atomic and atomic on SMP. Ubicom32 does not have an
+ * atomic exchange instruction so we use the global atomic_lock.
+ */
+static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, unsigned long next, int size)
+{
+	unsigned long prev;
+
+	__atomic_lock_acquire();
+	switch (size) {
+	case 1:
+		prev = *(u8 *)ptr;
+		if (prev == old) {
+			*(u8 *)ptr = (u8)next;
+		}
+		break;
+
+	case 2:
+		prev = *(u16 *)ptr;
+		if (prev == old) {
+			*(u16 *)ptr = (u16)next;
+		}
+		break;
+
+	case 4:
+		prev = *(u32 *)ptr;
+		if (prev == old) {
+			*(u32 *)ptr = (u32)next;
+		}
+		break;
+
+	default:
+		__xchg_called_with_bad_pointer();
+		break;
+	}
+	__atomic_lock_release();
+	return prev;
+}
+
+/*
+ * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make
+ * them available.
+ */
+#define cmpxchg_local(ptr, o, n) \
+	((__typeof__(*(ptr)))__cmpxchg((ptr), (unsigned long)(o), (unsigned long)(n), sizeof(*(ptr))))
+
+#define cmpxchg(ptr, o, n) __cmpxchg((ptr), (o), (n), sizeof(*(ptr)))
+
+#define smp_mb__before_atomic_inc() asm volatile ("" : : : "memory")
+#define smp_mb__after_atomic_inc() asm volatile ("" : : : "memory")
+#define smp_mb__before_atomic_dec() asm volatile ("" : : : "memory")
+#define smp_mb__after_atomic_dec() asm volatile ("" : : : "memory")
+
+#endif /* _ASM_UBICOM32_ATOMIC_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/audio.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/audio.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/audio.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/audio.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,40 @@
+/*
+ * arch/ubicom32/include/asm/audio.h
+ *	Audio include file
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _AUDIO_H
+#define _AUDIO_H
+
+#include <asm/devtree.h>
+#include <asm/audionode.h>
+
+/*
+ * Resource indices used to access IRQs via platform_get_resource
+ */
+#define AUDIO_MEM_RESOURCE	0
+#define AUDIO_TX_IRQ_RESOURCE	0
+#define AUDIO_RX_IRQ_RESOURCE	1
+
+extern struct platform_device * __init audio_device_alloc(const char *driver_name, const char *node_name, const char *inst_name, int priv_size);
+
+#define audio_device_priv(pdev) (((struct ubi32pcm_platform_data *)(((struct platform_device *)(pdev))->dev.platform_data))->priv_data)
+#endif
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/audionode.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/audionode.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/audionode.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/audionode.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,152 @@
+/*
+ * audionode.h
+ *	audionode and DMA descriptors
+ *
+ * Copyright  2009 Ubicom Inc. <www.ubicom.com>.  All rights reserved.
+ *
+ * This file contains confidential information of Ubicom, Inc. and your use of
+ * this file is subject to the Ubicom Software License Agreement distributed with
+ * this file. If you are uncertain whether you are an authorized user or to report
+ * any unauthorized use, please contact Ubicom, Inc. at +1-408-789-2200.
+ * Unauthorized reproduction or distribution of this file is subject to civil and
+ * criminal penalties.
+ *
+ */
+#ifndef _AUDIONODE_H_
+#define _AUDIONODE_H_
+
+#define AUDIO_INT_FLAG_MORE_SAMPLES 0x00000001
+#define AUDIO_INT_FLAG_COMMAND      0x00000002
+
+/*
+ * Commands the Primary OS sends to the audio device
+ */
+enum audio_command {
+	AUDIO_CMD_NONE,
+	AUDIO_CMD_START,
+	AUDIO_CMD_STOP,
+	AUDIO_CMD_PAUSE,
+	AUDIO_CMD_RESUME,
+	AUDIO_CMD_MUTE,
+	AUDIO_CMD_UNMUTE,
+	AUDIO_CMD_SETUP,
+	AUDIO_CMD_ENABLE,
+	AUDIO_CMD_DISABLE,
+};
+
+/*
+ * Flag bits passed in the registers
+ */
+#define CMD_START_FLAG_LE		(1 << 0)	/* Use Little Endian Mode */
+
+/*
+ * Status bits that audio device can set to indicate reason
+ * for interrupting the Primary OS
+ */
+#define AUDIO_STATUS_PLAY_DMA0_REQUEST (1 << 0) /* Audio device needs samples in DMA0 for playback */
+#define AUDIO_STATUS_PLAY_DMA1_REQUEST (1 << 1) /* Audio device needs samples in DMA1 for playback */
+
+struct audio_dma {
+	/*
+	 * NOTE: The active flag shall only be SET by the producer and CLEARED
+	 * by the consumer, NEVER the other way around.  For playback, the
+	 * Primary OS sets this flag and ipAudio clears it.
+	 *
+	 * The producer shall not modify the ptr or ctr fields when the transfer
+	 * is marked as active, as these are used by the consumer to do the
+	 * transfer.
+	 */
+	volatile u32_t active; 		/* Nonzero if data in ptr/ctr ready to be transferred */
+	volatile void *ptr;		/* Pointer to data to be transferred */
+	volatile u32_t ctr; 		/* Counter: number of data units to transfer */
+};
+
+#define AUDIONODE_CAP_BE	(1 << 0)
+#define AUDIONODE_CAP_LE	(1 << 1)
+
+#define AUDIONODE_VERSION	7
+struct audio_node {
+	struct devtree_node dn;
+
+	/*
+	 * Version of this node
+	 */
+	u32_t			version;
+
+	/*
+	 * Pointer to the registers
+	 */
+	struct audio_regs	*regs;
+};
+
+/*
+ * [OCM] Audio registers
+ *	Registers exposed as part of our MMIO area
+ */
+#define AUDIO_REGS_VERSION	7
+struct audio_regs {
+	/*
+	 * Version of this register set
+	 */
+	u32_t version;
+
+	/*
+	 * Interrupt status
+	 */
+	volatile u32_t int_status;
+
+	/*
+	 * Interrupt request
+	 */
+	volatile u32_t int_req;
+
+	/*
+	 * Current IRQ being serviced
+	 */
+	u32_t cur_irq;
+
+	/*
+	 * Maximum number of devices supported
+	 */
+	u32_t max_devs;
+
+	/*
+	 * [DDR] Device registers for each of the devices
+	 */
+	struct audio_dev_regs *adr;
+};
+
+#define AUDIO_DEV_REGS_VERSION 2
+struct audio_dev_regs {
+	u32_t version;					/* Version of this register set */
+
+	u8_t name[32];					/* Name of this driver */
+	u32_t caps;					/* Capabilities of this driver */
+	const u32_t *sample_rates;			/* Sample Rates supported by this driver */
+	u32_t n_sample_rates;				/* Number of sample rates supported by this driver */
+	u32_t channel_mask;				/* A bit set in a particular position means we support this channel configuration */
+	volatile u32_t int_flags;			/* Reason for interrupting audio device */
+	volatile enum audio_command command;	/* Command from Primary OS */
+	volatile u32_t flags;				/* Flag bits for this command */
+	volatile u32_t channels;			/* Number of channels */
+	volatile u32_t sample_rate;			/* Sample rate */
+	volatile u32_t status;				/* Status bits sent from ipAudio to Primary OS */
+	void *primary_os_buffer_ptr;			/*
+							 * Playback: Pointer to next sample to be removed from
+							 *           Primary OS sample buffer
+							 * Capture: Pointer to where next sample will be inserted
+							 *          into Primary OS sample buffer
+							 */
+
+	/*
+	 * These are the transfer requests.  They are used in alternating
+	 * order so that when ipAudio is processing one request, the
+	 * Primary OS can fill in the other one.
+	 *
+	 * NOTE: The active bit shall always be SET by the producer and
+	 * CLEARED by the consumer, NEVER the other way around.
+	 */
+	struct audio_dma dma_xfer_requests[2];
+};
+
+#endif
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/auxvec.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/auxvec.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/auxvec.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/auxvec.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,32 @@
+/*
+ * arch/ubicom32/include/asm/auxvec.h
+ *   Symbolic values for the entries in the auxiliary table
+ *   put on the initial stack.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_AUXVEC_H
+#define _ASM_UBICOM32_AUXVEC_H
+
+#endif /* _ASM_UBICOM32_AUXVEC_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/bitops.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/bitops.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/bitops.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/bitops.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,172 @@
+/*
+ * arch/ubicom32/include/asm/bitops.h
+ *   Bit manipulation definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_BITOPS_H
+#define _ASM_UBICOM32_BITOPS_H
+
+/*
+ * Copyright 1992, Linus Torvalds.
+ */
+
+#include <linux/compiler.h>
+#include <asm/byteorder.h>	/* swab32 */
+
+#ifdef __KERNEL__
+
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
+#include <asm-generic/bitops/ffs.h>
+#include <asm-generic/bitops/__ffs.h>
+
+#include <asm-generic/bitops/sched.h>
+#include <asm-generic/bitops/ffz.h>
+
+#include <asm/ubicom32-common.h>
+
+static inline void set_bit(int bit, volatile unsigned long *p)
+{
+	unsigned long mask = 1UL << (bit & 31);
+
+	p += bit >> 5;
+
+	__atomic_lock_acquire();
+	*p |= mask;
+	__atomic_lock_release();
+}
+
+static inline void clear_bit(int bit, volatile unsigned long *p)
+{
+	unsigned long mask = 1UL << (bit & 31);
+
+	p += bit >> 5;
+
+	__atomic_lock_acquire();
+	*p &= ~mask;
+	__atomic_lock_release();
+}
+
+/*
+ * clear_bit() doesn't provide any barrier for the compiler.
+ */
+#define smp_mb__before_clear_bit()	barrier()
+#define smp_mb__after_clear_bit()	barrier()
+
+static inline void change_bit(int bit, volatile unsigned long *p)
+{
+	unsigned long mask = 1UL << (bit & 31);
+
+	p += bit >> 5;
+
+	__atomic_lock_acquire();
+	*p ^= mask;
+	__atomic_lock_release();
+}
+
+static inline int test_and_set_bit(int bit, volatile unsigned long *p)
+{
+	unsigned int res;
+	unsigned long mask = 1UL << (bit & 31);
+
+	p += bit >> 5;
+
+	__atomic_lock_acquire();
+	res = *p;
+	*p = res | mask;
+	__atomic_lock_release();
+
+	return res & mask;
+}
+
+static inline int test_and_clear_bit(int bit, volatile unsigned long *p)
+{
+	unsigned int res;
+	unsigned long mask = 1UL << (bit & 31);
+
+	p += bit >> 5;
+
+	__atomic_lock_acquire();
+	res = *p;
+	*p = res & ~mask;
+	__atomic_lock_release();
+
+	return res & mask;
+}
+
+static inline int test_and_change_bit(int bit, volatile unsigned long *p)
+{
+	unsigned int res;
+	unsigned long mask = 1UL << (bit & 31);
+
+	p += bit >> 5;
+
+	__atomic_lock_acquire();
+	res = *p;
+	*p = res ^ mask;
+	__atomic_lock_release();
+
+	return res & mask;
+}
+
+#include <asm-generic/bitops/non-atomic.h>
+
+/*
+ * This routine doesn't need to be atomic.
+ */
+static inline int __constant_test_bit(int nr, const volatile unsigned long *addr)
+{
+	return ((1UL << (nr & 31)) & (((const volatile unsigned int *) addr)[nr >> 5])) != 0;
+}
+
+static inline int __test_bit(int nr, const volatile unsigned long *addr)
+{
+	int 	* a = (int *) addr;
+	int	mask;
+
+	a += nr >> 5;
+	mask = 1 << (nr & 0x1f);
+	return ((mask & *a) != 0);
+}
+
+#define test_bit(nr,addr) (__builtin_constant_p(nr) ?  __constant_test_bit((nr),(addr)) :  __test_bit((nr),(addr)))
+
+#include <asm-generic/bitops/find.h>
+#include <asm-generic/bitops/hweight.h>
+#include <asm-generic/bitops/lock.h>
+
+#include <asm-generic/bitops/ext2-non-atomic.h>
+#include <asm-generic/bitops/ext2-atomic.h>
+#include <asm-generic/bitops/minix.h>
+
+#endif /* __KERNEL__ */
+
+#include <asm-generic/bitops/fls.h>
+#include <asm-generic/bitops/__fls.h>
+#include <asm-generic/bitops/fls64.h>
+
+#endif /* _ASM_UBICOM32_BITOPS_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/board.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/board.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/board.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/board.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,34 @@
+/*
+ * arch/ubicom32/include/asm/board.h
+ *   Board init and revision definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_BOARD_H
+#define _ASM_UBICOM32_BOARD_H
+
+extern const char *board_get_revision(void);
+extern void __init board_init(void);
+
+#endif /* _ASM_UBICOM32_BOARD_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/bootargs.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/bootargs.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/bootargs.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/bootargs.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,34 @@
+/*
+ * arch/ubicom32/include/asm/bootargs.h
+ *   Kernel command line via the devtree API.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_BOOTARGS_H
+#define _ASM_UBICOM32_BOOTARGS_H
+
+extern const char *bootargs_get_cmdline(void);
+extern void __init bootargs_init(void);
+
+#endif /* _ASM_UBICOM32_BOOTARGS_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/bootinfo.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/bootinfo.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/bootinfo.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/bootinfo.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,34 @@
+/*
+ * arch/ubicom32/include/asm/bootinfo.h
+ *   Definitions of firmware boot parameters passed to the kernel.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#ifndef _ASM_UBICOM32_BOOTINFO_H
+#define _ASM_UBICOM32_BOOTINFO_H
+
+/* Nothing for ubicom32 */
+
+#endif /* _ASM_UBICOM32_BOOTINFO_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/bug.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/bug.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/bug.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/bug.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,95 @@
+/*
+ * arch/ubicom32/include/asm/bug.h
+ *   Generic bug.h for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_BUG_H
+#define _ASM_UBICOM32_BUG_H
+
+#include <linux/kernel.h>
+#include <asm/thread.h>
+
+#if defined(CONFIG_BUG) && defined(CONFIG_STOP_ON_BUG)
+
+/*
+ * BUG()
+ *	Ubicom specific version of the BUG() macro.
+ *
+ * This implementation performs a THREAD_STALL stopping all threads before
+ * calling panic.  This enables a developer to see the "real" state of the
+ * machine (since panic alters the system state).  We do the printf first
+ * because while it is slow, it does not alter system state (like
+ * interrupts).
+ *
+ * TODO: Implement the trap sequence used by other architectures.
+ */
+#define BUG() do { \
+	printk("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \
+	THREAD_STALL; \
+	panic("BUG!"); \
+} while (0)
+
+
+/*
+ * __WARN()
+ *	WARN() using printk() for now.
+ *
+ * TODO: Implement the trap sequence used by other architectures.
+ */
+#define __WARN()							\
+	do {								\
+		printk("WARN: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \
+	} while(0)
+
+/*
+ * WARN_ON()
+ *	Ubicom specific version of the WARN_ON macro.
+ *
+ * This implementation performs a printk for the WARN_ON() instead
+ * of faulting into the kernel and using report_bug().
+ *
+ * TODO: Implement the trap sequence used by other architectures.
+ */
+#define WARN_ON(x) ({						\
+	int __ret_warn_on = !!(x);				\
+	if (__builtin_constant_p(__ret_warn_on)) {		\
+		if (__ret_warn_on)				\
+			__WARN();				\
+	} else {						\
+		if (unlikely(__ret_warn_on))			\
+			__WARN();				\
+	}							\
+	unlikely(__ret_warn_on);				\
+})
+
+
+#define HAVE_ARCH_BUG
+#define HAVE_ARCH_WARN_ON
+
+#endif
+
+#include <asm-generic/bug.h>
+
+#endif /* _ASM_UBICOM32_BUG_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/bugs.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/bugs.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/bugs.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/bugs.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,44 @@
+/*
+ * arch/ubicom32/include/asm/bugs.h
+ *   Definition of check_bugs() for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 1994  Linus Torvalds
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+/*
+ * This is included by init/main.c to check for architecture-dependent bugs.
+ *
+ * Needs:
+ *	void check_bugs(void);
+ */
+
+#ifndef _ASM_UBICOM32_BUGS_H
+#define _ASM_UBICOM32_BUGS_H
+
+static void check_bugs(void)
+{
+}
+
+#endif /* _ASM_UBICOM32_BUGS_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/byteorder.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/byteorder.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/byteorder.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/byteorder.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/byteorder.h
+ *   Byte order swapping utility routines.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_BYTEORDER_H
+#define _ASM_UBICOM32_BYTEORDER_H
+
+#include <linux/byteorder/big_endian.h>
+
+#endif /* _ASM_UBICOM32_BYTEORDER_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/cachectl.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/cachectl.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/cachectl.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/cachectl.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,39 @@
+/*
+ * arch/ubicom32/include/asm/cachectl.h
+ *   Ubicom32 cache control definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_CACHECTL_H
+#define _ASM_UBICOM32_CACHECTL_H
+
+#include <asm/ip5000.h>
+
+/*
+ * mem_cache_control()
+ *	Special cache control operation
+ */
+extern void mem_cache_control(unsigned long cc, unsigned long begin_addr, unsigned long end_addr, unsigned long op);
+
+#endif /* _ASM_UBICOM32_CACHECTL_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/cacheflush.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/cacheflush.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/cacheflush.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/cacheflush.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,111 @@
+/*
+ * arch/ubicom32/include/asm/cacheflush.h
+ *   Cache flushing definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_CACHEFLUSH_H
+#define _ASM_UBICOM32_CACHEFLUSH_H
+
+/*
+ * (C) Copyright 2000-2004, Greg Ungerer <gerg@snapgear.com>
+ */
+#include <linux/mm.h>
+#include <asm/cachectl.h>
+#include <asm/ip5000.h>
+
+#define flush_cache_all()			__flush_cache_all()
+#define flush_cache_mm(mm)			do { } while (0)
+#define flush_cache_dup_mm(mm)			do { } while (0)
+#define flush_cache_range(vma, start, end)	__flush_cache_all()
+#define flush_cache_page(vma, vmaddr)		do { } while (0)
+#define flush_dcache_page(page)			do { } while (0)
+#define flush_dcache_mmap_lock(mapping)		do { } while (0)
+#define flush_dcache_mmap_unlock(mapping)	do { } while (0)
+
+#define flush_dcache_range(start, end)					\
+do {									\
+	/* Flush the data cache and invalidate the I cache. */		\
+	mem_cache_control(DCCR_BASE, start, end, CCR_CTRL_FLUSH_ADDR);	\
+	mem_cache_control(ICCR_BASE, start, end, CCR_CTRL_INV_ADDR);	\
+} while (0)
+
+#define flush_icache_range(start, end)					\
+do {									\
+	/* Flush the data cache and invalidate the I cache. */		\
+	mem_cache_control(DCCR_BASE, start, end, CCR_CTRL_FLUSH_ADDR);	\
+	mem_cache_control(ICCR_BASE, start, end, CCR_CTRL_INV_ADDR);	\
+} while (0)
+
+#define flush_icache_page(vma,pg)		do { } while (0)
+#define flush_icache_user_range(vma,pg,adr,len)	do { } while (0)
+#define flush_cache_vmap(start, end)		do { } while (0)
+#define flush_cache_vunmap(start, end)		do { } while (0)
+
+#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
+	memcpy(dst, src, len)
+#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
+	memcpy(dst, src, len)
+
+/*
+ * Cache handling for IP5000
+ */
+extern inline void mem_cache_invalidate_all(unsigned long cc)
+{
+	if (cc == DCCR_BASE)
+		UBICOM32_LOCK(DCCR_LOCK_BIT);
+	else
+		UBICOM32_LOCK(ICCR_LOCK_BIT);
+
+	asm volatile (
+	"	bset	"D(CCR_CTRL)"(%0), "D(CCR_CTRL)"(%0), #"D(CCR_CTRL_RESET)"	\n\t"
+	"	nop									\n\t"
+	"	bclr	"D(CCR_CTRL)"(%0), "D(CCR_CTRL)"(%0), #"D(CCR_CTRL_RESET)"	\n\t"
+	"	pipe_flush 0								\n\t"
+		:
+		: "a"(cc)
+		: "cc"
+	);
+
+	if (cc == DCCR_BASE)
+		UBICOM32_UNLOCK(DCCR_LOCK_BIT);
+	else
+		UBICOM32_UNLOCK(ICCR_LOCK_BIT);
+
+}
+
+static inline void __flush_cache_all(void)
+{
+	/*
+	 * Flush Icache
+	 */
+	mem_cache_invalidate_all(ICCR_BASE);
+
+	/*
+	 * Flush Dcache
+	 */
+	mem_cache_invalidate_all(DCCR_BASE);
+}
+
+#endif /* _ASM_UBICOM32_CACHEFLUSH_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/cache.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/cache.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/cache.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/cache.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,40 @@
+/*
+ * arch/ubicom32/include/asm/cache.h
+ *   Cache line definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_CACHE_H
+#define _ASM_UBICOM32_CACHE_H
+
+/*
+ * bytes per L1 cache line
+ */
+#define L1_CACHE_SHIFT  5
+#define L1_CACHE_BYTES  (1 << L1_CACHE_SHIFT)
+
+#define __cacheline_aligned
+#define ____cacheline_aligned
+
+#endif /* _ASM_UBICOM32_CACHE_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/checksum.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/checksum.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/checksum.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/checksum.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,149 @@
+/*
+ * arch/ubicom32/include/asm/checksum.h
+ *   Checksum utilities for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_CHECKSUM_H
+#define _ASM_UBICOM32_CHECKSUM_H
+
+#include <linux/in6.h>
+
+/*
+ * computes the checksum of a memory block at buff, length len,
+ * and adds in "sum" (32-bit)
+ *
+ * returns a 32-bit number suitable for feeding into itself
+ * or csum_tcpudp_magic
+ *
+ * this function must be called with even lengths, except
+ * for the last fragment, which may be odd
+ *
+ * it's best to have buff aligned on a 32-bit boundary
+ */
+__wsum csum_partial(const void *buff, int len, __wsum sum);
+
+/*
+ * the same as csum_partial, but copies from src while it
+ * checksums
+ *
+ * here even more important to align src and dst on a 32-bit (or even
+ * better 64-bit) boundary
+ */
+
+__wsum csum_partial_copy_nocheck(const void *src, void *dst,
+	int len, __wsum sum);
+
+
+/*
+ * the same as csum_partial_copy, but copies from user space.
+ *
+ * here even more important to align src and dst on a 32-bit (or even
+ * better 64-bit) boundary
+ */
+
+extern __wsum csum_partial_copy_from_user(const void __user *src,
+	void *dst, int len, __wsum sum, int *csum_err);
+
+__sum16 ip_fast_csum(const void *iph, unsigned int ihl);
+
+/*
+ *	Fold a partial checksum
+ */
+
+static inline __sum16 csum_fold(__wsum sum)
+{
+	asm volatile (
+	"	lsr.4	d15, %0, #16	\n\t"
+	"	bfextu	%0, %0, #16	\n\t"
+	"	add.4	%0, d15, %0	\n\t"
+	"	lsr.4	d15, %0, #16	\n\t"
+	"	bfextu	%0, %0, #16	\n\t"
+	"	add.4	%0, d15, %0	\n\t"
+		: "=&d" (sum)
+		: "0"(sum)
+		: "d15"
+	);
+	return (__force __sum16)~sum;
+}
+
+
+/*
+ * computes the checksum of the TCP/UDP pseudo-header
+ * returns a 16-bit checksum, already complemented
+ */
+
+static inline __wsum
+csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len,
+		  unsigned short proto, __wsum sum)
+{
+	asm volatile (
+	"	add.4	%0, %2, %0	\n\t"
+	"	addc	%0, %3, %0	\n\t"
+	"	addc	%0, %4, %0	\n\t"
+	"	addc	%0, %5, %0	\n\t"
+	"	addc	%0, #0, %0	\n\t"
+		: "=&d" (sum)
+		: "0"(sum), "r" (saddr), "r" (daddr), "r" (len), "r"(proto)
+	);
+	return sum;
+}
+
+static inline __sum16
+csum_tcpudp_magic(__be32 saddr, __be32 daddr, unsigned short len,
+		  unsigned short proto, __wsum sum)
+{
+	return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum));
+}
+
+/*
+ * this routine is used for miscellaneous IP-like checksums, mainly
+ * in icmp.c
+ */
+extern __sum16 ip_compute_csum(const void *buff, int len);
+
+#define _HAVE_ARCH_IPV6_CSUM
+
+static __inline__ __sum16
+csum_ipv6_magic(const struct in6_addr *saddr, const struct in6_addr *daddr,
+		__u32 len, unsigned short proto, __wsum sum)
+{
+	asm volatile (
+	"	add.4	%0, 0(%2), %0	\n\t"
+	"	addc	%0, 4(%2), %0	\n\t"
+	"	addc	%0, 8(%2), %0	\n\t"
+	"	addc	%0, 12(%2), %0	\n\t"
+	"	addc	%0, 0(%3), %0	\n\t"
+	"	addc	%0, 4(%3), %0	\n\t"
+	"	addc	%0, 8(%3), %0	\n\t"
+	"	addc	%0, 12(%3), %0	\n\t"
+	"	addc	%0, %4, %0	\n\t"
+	"	addc	%0, #0, %0	\n\t"
+		: "=&d" (sum)
+		: "0" (sum), "a" (saddr), "a" (daddr), "d" (len + proto)
+	);
+	return csum_fold(sum);
+}
+
+#endif /* _ASM_UBICOM32_CHECKSUM_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/cpu.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/cpu.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/cpu.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/cpu.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,45 @@
+/*
+ * arch/ubicom32/include/asm/cpu.h
+ *   CPU definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 2004-2005 ARM Ltd.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_CPU_H
+#define _ASM_UBICOM32_CPU_H
+
+#include <linux/percpu.h>
+
+struct cpuinfo_ubicom32 {
+	unsigned long tid;			/* Hardware thread number */
+
+#ifdef CONFIG_SMP
+	volatile unsigned long ipi_pending;	/* Bit map of operations to execute */
+	unsigned long ipi_count;		/* Number of IPI(s) taken on this cpu */
+#endif
+};
+
+DECLARE_PER_CPU(struct cpuinfo_ubicom32, cpu_data);
+
+#endif /* _ASM_UBICOM32_CPU_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/cputime.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/cputime.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/cputime.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/cputime.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/cputime.h
+ *   Generic cputime.h for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_CPUTIME_H
+#define _ASM_UBICOM32_CPUTIME_H
+
+#include <asm-generic/cputime.h>
+
+#endif /* _ASM_UBICOM32_CPUTIME_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/current.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/current.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/current.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/current.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,44 @@
+/*
+ * arch/ubicom32/include/asm/current.h
+ *   Definition of get_current() for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * (C) Copyright 2000, Lineo, David McCullough <davidm@uclinux.org>
+ * (C) Copyright 2002, Greg Ungerer (gerg@snapgear.com)
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_CURRENT_H
+#define _ASM_UBICOM32_CURRENT_H
+
+#include <linux/thread_info.h>
+
+struct task_struct;
+
+static inline struct task_struct *get_current(void)
+{
+	return(current_thread_info()->task);
+}
+
+#define	current	get_current()
+
+#endif /* _ASM_UBICOM32_CURRENT_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/delay.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/delay.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/delay.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/delay.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,75 @@
+/*
+ * arch/ubicom32/include/asm/delay.h
+ *   Definition of delay routines for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_DELAY_H
+#define _ASM_UBICOM32_DELAY_H
+
+#include <asm/param.h>
+#include <asm/ip5000.h>
+
+static inline void __delay(unsigned long loops)
+{
+	if (loops == 0) {
+		return;
+	}
+
+	asm volatile (
+	"1:	add.4	%0, #-1, %0		\n\t"
+	"	jmpne.t	1b			\n\t"
+	: "+d" (loops)
+	);
+}
+
+/*
+ *	Ubicom32 processor uses fixed 12MHz external OSC.
+ *	So we use that as reference to count 12 cycles/us
+ */
+
+extern unsigned long loops_per_jiffy;
+
+static inline void _udelay(unsigned long usecs)
+{
+#if defined(CONFIG_UBICOM32_V4) || defined(CONFIG_UBICOM32_V3)
+	asm volatile (
+		"	add.4		d15, 0(%0), %1			\n\t"
+		"	sub.4		#0, 0(%0), d15			\n\t"
+		"	jmpmi.w.f	.-4				\n\t"
+		:
+		: "a"(TIMER_BASE + TIMER_MPTVAL), "d"(usecs * (12000000/1000000))
+		: "d15"
+	);
+#else
+	BUG();
+#endif
+}
+
+/*
+ *	Moved the udelay() function into library code, no longer inlined.
+ */
+extern void udelay(unsigned long usecs);
+
+#endif /* _ASM_UBICOM32_DELAY_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/device.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/device.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/device.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/device.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,35 @@
+/*
+ * arch/ubicom32/include/asm/device.h
+ *   Generic device.h for Ubicom32 architecture.
+ *
+ *   Used for arch specific extensions to struct device
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_DEVICE_H
+#define _ASM_UBICOM32_DEVICE_H
+
+#include <asm-generic/device.h>
+
+#endif /* _ASM_UBICOM32_DEVICE_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/devtree.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/devtree.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/devtree.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/devtree.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,52 @@
+/*
+ * arch/ubicom32/include/asm/devtree.h
+ *   Device Tree Header File (Shared between ultra and the Host OS)
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#ifndef _ASM_UBICOM32_DEVTREE_H
+#define _ASM_UBICOM32_DEVTREE_H
+
+#define DEVTREE_MAX_NAME 32
+#define DEVTREE_IRQ_NONE 0xff
+#define DEVTREE_IRQ_DONTCARE 0xff
+#define DEVTREE_NODE_MAGIC 0x10203040
+
+struct devtree_node {
+	struct devtree_node *next;
+	unsigned char sendirq;
+	unsigned char recvirq;
+	char name[DEVTREE_MAX_NAME];
+	unsigned int magic;
+};
+
+extern struct devtree_node *devtree;
+extern struct devtree_node *devtree_find_by_irq(uint8_t sendirq, uint8_t recvirq);
+extern struct devtree_node *devtree_find_node(const char *str);
+extern struct devtree_node *devtree_find_next(struct devtree_node **cur);
+extern int devtree_irq(struct devtree_node *dn, unsigned char *sendirq, unsigned char *recvirq);
+extern void devtree_print(void);
+
+#endif /* _ASM_UBICOM32_DEVTREE_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/div64.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/div64.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/div64.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/div64.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/div64.h
+ *   Generic div64.h for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_DIV64_H
+#define _ASM_UBICOM32_DIV64_H
+
+#include <asm-generic/div64.h>
+
+#endif /* _ASM_UBICOM32_DIV64_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/dma.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/dma.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/dma.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/dma.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,34 @@
+/*
+ * arch/ubicom32/include/asm/dma.h
+ *   DMA definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_DMA_H
+#define _ASM_UBICOM32_DMA_H
+
+/* Nothing so far */
+#define MAX_DMA_ADDRESS 0x00	/* This is quite suspicious */
+
+#endif /* _ASM_UBICOM32_DMA_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/dma-mapping.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/dma-mapping.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/dma-mapping.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/dma-mapping.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,328 @@
+/*
+ * arch/ubicom32/include/asm/dma-mapping.h
+ *   Generic dma-mapping.h for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_DMA_MAPPING_H
+#define _ASM_UBICOM32_DMA_MAPPING_H
+
+#include <linux/scatterlist.h>
+#ifdef CONFIG_PCI
+
+/* we implement the API below in terms of the existing PCI one,
+ * so include it */
+#include <linux/pci.h>
+/* need struct page definitions */
+#include <linux/mm.h>
+
+static inline int
+dma_supported(struct device *dev, u64 mask)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	return pci_dma_supported(to_pci_dev(dev), mask);
+}
+
+static inline int
+dma_set_mask(struct device *dev, u64 dma_mask)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	return pci_set_dma_mask(to_pci_dev(dev), dma_mask);
+}
+
+static inline void *
+dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
+		   gfp_t flag)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	return pci_alloc_consistent(to_pci_dev(dev), size, dma_handle);
+}
+
+static inline void
+dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
+		    dma_addr_t dma_handle)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	pci_free_consistent(to_pci_dev(dev), size, cpu_addr, dma_handle);
+}
+
+static inline dma_addr_t
+dma_map_single(struct device *dev, void *cpu_addr, size_t size,
+	       enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	return pci_map_single(to_pci_dev(dev), cpu_addr, size, (int)direction);
+}
+
+static inline void
+dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
+		 enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	pci_unmap_single(to_pci_dev(dev), dma_addr, size, (int)direction);
+}
+
+static inline dma_addr_t
+dma_map_page(struct device *dev, struct page *page,
+	     unsigned long offset, size_t size,
+	     enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	return pci_map_page(to_pci_dev(dev), page, offset, size, (int)direction);
+}
+
+static inline void
+dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
+	       enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	pci_unmap_page(to_pci_dev(dev), dma_address, size, (int)direction);
+}
+
+static inline int
+dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
+	   enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	return pci_map_sg(to_pci_dev(dev), sg, nents, (int)direction);
+}
+
+static inline void
+dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
+	     enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	pci_unmap_sg(to_pci_dev(dev), sg, nhwentries, (int)direction);
+}
+
+static inline void
+dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size,
+			enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	pci_dma_sync_single_for_cpu(to_pci_dev(dev), dma_handle,
+				    size, (int)direction);
+}
+
+static inline void
+dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size,
+			   enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	pci_dma_sync_single_for_device(to_pci_dev(dev), dma_handle,
+				       size, (int)direction);
+}
+
+static inline void
+dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
+		    enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	pci_dma_sync_sg_for_cpu(to_pci_dev(dev), sg, nelems, (int)direction);
+}
+
+static inline void
+dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems,
+		       enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	pci_dma_sync_sg_for_device(to_pci_dev(dev), sg, nelems, (int)direction);
+}
+
+static inline int
+dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
+{
+	return pci_dma_mapping_error(to_pci_dev(dev), dma_addr);
+}
+
+
+#else
+
+static inline int
+dma_supported(struct device *dev, u64 mask)
+{
+	return 0;
+}
+
+static inline int
+dma_set_mask(struct device *dev, u64 dma_mask)
+{
+	BUG();
+	return 0;
+}
+
+static inline void *
+dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
+		   gfp_t flag)
+{
+	BUG();
+	return NULL;
+}
+
+static inline void
+dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
+		    dma_addr_t dma_handle)
+{
+	BUG();
+}
+
+static inline dma_addr_t
+dma_map_single(struct device *dev, void *cpu_addr, size_t size,
+	       enum dma_data_direction direction)
+{
+	BUG();
+	return 0;
+}
+
+static inline void
+dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
+		 enum dma_data_direction direction)
+{
+	BUG();
+}
+
+static inline dma_addr_t
+dma_map_page(struct device *dev, struct page *page,
+	     unsigned long offset, size_t size,
+	     enum dma_data_direction direction)
+{
+	BUG();
+	return 0;
+}
+
+static inline void
+dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
+	       enum dma_data_direction direction)
+{
+	BUG();
+}
+
+static inline int
+dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
+	   enum dma_data_direction direction)
+{
+	BUG();
+	return 0;
+}
+
+static inline void
+dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
+	     enum dma_data_direction direction)
+{
+	BUG();
+}
+
+static inline void
+dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size,
+			enum dma_data_direction direction)
+{
+	BUG();
+}
+
+static inline void
+dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size,
+			   enum dma_data_direction direction)
+{
+	BUG();
+}
+
+static inline void
+dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
+		    enum dma_data_direction direction)
+{
+	BUG();
+}
+
+static inline void
+dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems,
+		       enum dma_data_direction direction)
+{
+	BUG();
+}
+
+static inline int
+dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
+{
+	return 0;
+}
+
+#endif
+
+/* Now for the API extensions over the pci_ one */
+
+#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
+#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
+#define dma_is_consistent(d, h)	(1)
+
+static inline int
+dma_get_cache_alignment(void)
+{
+	/* no easy way to get cache size on all processors, so return
+	 * the maximum possible, to be safe */
+	return (1 << INTERNODE_CACHE_SHIFT);
+}
+
+static inline void
+dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t dma_handle,
+			      unsigned long offset, size_t size,
+			      enum dma_data_direction direction)
+{
+	/* just sync everything, that's all the pci API can do */
+	dma_sync_single_for_cpu(dev, dma_handle, offset+size, direction);
+}
+
+static inline void
+dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle,
+				 unsigned long offset, size_t size,
+				 enum dma_data_direction direction)
+{
+	/* just sync everything, that's all the pci API can do */
+	dma_sync_single_for_device(dev, dma_handle, offset+size, direction);
+}
+
+static inline void
+dma_cache_sync(struct device *dev, void *vaddr, size_t size,
+	       enum dma_data_direction direction)
+{
+	/* could define this in terms of the dma_cache ... operations,
+	 * but if you get this on a platform, you should convert the platform
+	 * to using the generic device DMA API */
+	BUG();
+}
+
+#endif /* _ASM_UBICOM32_DMA_MAPPING_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/elf.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/elf.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/elf.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/elf.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,173 @@
+/*
+ * arch/ubicom32/include/asm/elf.h
+ *   Definitions for elf executable format for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_ELF_H
+#define _ASM_UBICOM32_ELF_H
+
+/*
+ * ELF register definitions..
+ */
+
+#include <asm/ptrace.h>
+#include <asm/user.h>
+
+/*
+ * Processor specific flags for the ELF header e_flags field.
+ */
+#define EF_UBICOM32_V3		0x00000001	/* -fmarch=ubicom32v3 */
+#define EF_UBICOM32_V4		0x00000002	/* -fmarch=ubicom32v4 */
+#define EF_UBICOM32_PIC		0x80000000	/* -fpic */
+#define EF_UBICOM32_FDPIC	0x40000000	/* -mfdpic */
+
+/*
+ * Ubicom32 ELF relocation types
+ */
+#define R_UBICOM32_NONE			0
+#define R_UBICOM32_16			1
+#define R_UBICOM32_32			2
+#define R_UBICOM32_LO16			3
+#define R_UBICOM32_HI16			4
+#define R_UBICOM32_21_PCREL		5
+#define R_UBICOM32_24_PCREL		6
+#define R_UBICOM32_HI24			7
+#define R_UBICOM32_LO7_S		8
+#define R_UBICOM32_LO7_2_S		9
+#define R_UBICOM32_LO7_4_S		10
+#define R_UBICOM32_LO7_D		11
+#define R_UBICOM32_LO7_2_D		12
+#define R_UBICOM32_LO7_4_D		13
+#define R_UBICOM32_32_HARVARD		14
+#define R_UBICOM32_LO7_CALLI		15
+#define R_UBICOM32_LO16_CALLI		16
+#define R_UBICOM32_GOT_HI24		17
+#define R_UBICOM32_GOT_LO7_S		18
+#define R_UBICOM32_GOT_LO7_2_S		19
+#define R_UBICOM32_GOT_LO7_4_S		20
+#define R_UBICOM32_GOT_LO7_D		21
+#define R_UBICOM32_GOT_LO7_2_D		22
+#define R_UBICOM32_GOT_LO7_4_D		23
+#define R_UBICOM32_FUNCDESC_GOT_HI24    24
+#define R_UBICOM32_FUNCDESC_GOT_LO7_S   25
+#define R_UBICOM32_FUNCDESC_GOT_LO7_2_S 26
+#define R_UBICOM32_FUNCDESC_GOT_LO7_4_S 27
+#define R_UBICOM32_FUNCDESC_GOT_LO7_D   28
+#define R_UBICOM32_FUNCDESC_GOT_LO7_2_D 29
+#define R_UBICOM32_FUNCDESC_GOT_LO7_4_D 30
+#define R_UBICOM32_GOT_LO7_CALLI        31
+#define R_UBICOM32_FUNCDESC_GOT_LO7_CALLI 32
+#define R_UBICOM32_FUNCDESC_VALUE       33
+#define R_UBICOM32_FUNCDESC             34
+#define R_UBICOM32_GOTOFFSET_LO         35
+#define R_UBICOM32_GOTOFFSET_HI         36
+#define R_UBICOM32_FUNCDESC_GOTOFFSET_LO 37
+#define R_UBICOM32_FUNCDESC_GOTOFFSET_HI 38
+#define R_UBICOM32_GNU_VTINHERIT        200
+#define R_UBICOM32_GNU_VTENTRY          201
+
+typedef unsigned long elf_greg_t;
+
+#define ELF_NGREG (sizeof(struct pt_regs) / sizeof(elf_greg_t))
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+typedef struct user_ubicom32fp_struct elf_fpregset_t;
+
+/*
+ * This is used to ensure we don't load something for the wrong architecture.
+ */
+#define elf_check_arch(x) ((x)->e_machine == EM_UBICOM32)
+
+#define elf_check_fdpic(x) ((x)->e_flags & EF_UBICOM32_FDPIC)
+
+#define elf_check_const_displacement(x) ((x)->e_flags & EF_UBICOM32_PIC)
+
+/*
+ * These are used to set parameters in the core dumps.
+ */
+#define ELF_CLASS	ELFCLASS32
+#define ELF_DATA	ELFDATA2MSB
+#define ELF_ARCH	EM_UBICOM32
+
+/* For SVR4/m68k the function pointer to be registered with `atexit' is
+   passed in %a1.  Although my copy of the ABI has no such statement, it
+   is actually used on ASV.  */
+#define ELF_PLAT_INIT(_r, load_addr)	_r->a1 = 0
+
+#define ELF_FDPIC_PLAT_INIT(_regs, _exec_map_addr, _interp_map_addr,	\
+			    _dynamic_addr)				\
+	do {								\
+		_regs->dn[1]	= _exec_map_addr;			\
+		_regs->dn[2]	= _interp_map_addr;			\
+		_regs->dn[3]	= _dynamic_addr;			\
+		_regs->an[1]	= 0; /* dl_fini will be set by ldso */	\
+	} while (0)
+
+#define USE_ELF_CORE_DUMP
+#define ELF_EXEC_PAGESIZE	4096
+
+#ifdef __KERNEL__
+#ifdef CONFIG_UBICOM32_V4
+#define ELF_FDPIC_CORE_EFLAGS	(EF_UBICOM32_FDPIC | EF_UBICOM32_V4)
+#elif defined CONFIG_UBICOM32_V3
+#define ELF_FDPIC_CORE_EFLAGS	(EF_UBICOM32_FDPIC | EF_UBICOM32_V3)
+#else
+#error Unknown/Unsupported ubicom32 architecture.
+#endif
+#endif
+
+/* This is the location that an ET_DYN program is loaded if exec'ed.  Typical
+   use of this is to invoke "./ld.so someprog" to test out a new version of
+   the loader.  We need to make sure that it is out of the way of the program
+   that it will "exec", and that there is sufficient room for the brk.  */
+
+#define ELF_ET_DYN_BASE         0xD0000000UL
+
+/*
+ * For Ubicom32, the elf_gregset_t and struct pt_regs are the same size
+ * data structure so a copy is performed instead of providing the
+ * ELF_CORE_COPY_REGS macro.
+ */
+
+/*
+ * ELF_CORE_COPY_TASK_REGS is needed to dump register state from multi threaded user projects.
+ */
+extern int dump_task_regs(struct task_struct *, elf_gregset_t *);
+#define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs)
+
+/* This yields a mask that user programs can use to figure out what
+   instruction set this cpu supports.  */
+
+#define ELF_HWCAP	(0)
+
+/* This yields a string that ld.so will use to load implementation
+   specific libraries for optimization.  This is more specific in
+   intent than poking at uname or /proc/cpuinfo.  */
+
+#define ELF_PLATFORM  (NULL)
+
+#define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX)
+
+#endif /* _ASM_UBICOM32_ELF_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/emergency-restart.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/emergency-restart.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/emergency-restart.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/emergency-restart.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/emergency-restart.h
+ *   Generic emergency-restart.h for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_EMERGENCY_RESTART_H
+#define _ASM_UBICOM32_EMERGENCY_RESTART_H
+
+#include <asm-generic/emergency-restart.h>
+
+#endif /* _ASM_UBICOM32_EMERGENCY_RESTART_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/entry.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/entry.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/entry.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/entry.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,34 @@
+/*
+ * arch/ubicom32/include/asm/entry.h
+ *   Entry register/stack definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_ENTRY_H
+#define _ASM_UBICOM32_ENTRY_H
+
+#include <asm/setup.h>
+#include <asm/page.h>
+
+#endif /* _ASM_UBICOM32_ENTRY_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/errno.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/errno.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/errno.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/errno.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/errno.h
+ *   Generic errno.h for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_ERRNO_H
+#define _ASM_UBICOM32_ERRNO_H
+
+#include <asm-generic/errno.h>
+
+#endif /* _ASM_UBICOM32_ERRNO_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/fb.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/fb.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/fb.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/fb.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,39 @@
+/*
+ * arch/ubicom32/include/asm/fb.h
+ *   Definition of fb_is_primary_device() for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_FB_H
+#define _ASM_UBICOM32_FB_H
+#include <linux/fb.h>
+
+#define fb_pgprotect(...) do {} while (0)
+
+static inline int fb_is_primary_device(struct fb_info *info)
+{
+	return 0;
+}
+
+#endif /* _ASM_UBICOM32_FB_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/fcntl.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/fcntl.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/fcntl.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/fcntl.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,38 @@
+/*
+ * arch/ubicom32/include/asm/fcntl.h
+ *   File control bit definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_FCNTL_H
+#define _ASM_UBICOM32_FCNTL_H
+
+#define O_DIRECTORY	040000	/* must be a directory */
+#define O_NOFOLLOW	0100000	/* don't follow links */
+#define O_DIRECT	0200000	/* direct disk access hint - currently ignored */
+#define O_LARGEFILE	0400000
+
+#include <asm-generic/fcntl.h>
+
+#endif /* _ASM_UBICOM32_FCNTL_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/flat.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/flat.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/flat.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/flat.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,73 @@
+/*
+ * arch/ubicom32/include/asm/flat.h
+ *   Definitions to support flat-format executables.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#ifndef _ASM_UBICOM32_FLAT_H
+#define _ASM_UBICOM32_FLAT_H
+
+#define ARCH_FLAT_ALIGN 0x80
+#define ARCH_FLAT_ALIGN_TEXT 1
+
+#define  R_UBICOM32_32		2
+#define  R_UBICOM32_HI24	7
+#define  R_UBICOM32_LO7_S	8
+#define  R_UBICOM32_LO7_2_S	9
+#define  R_UBICOM32_LO7_4_S	10
+#define  R_UBICOM32_LO7_D	11
+#define  R_UBICOM32_LO7_2_D	12
+#define  R_UBICOM32_LO7_4_D	13
+#define  R_UBICOM32_LO7_CALLI	15
+#define  R_UBICOM32_LO16_CALLI	16
+
+extern void ubicom32_flat_put_addr_at_rp(unsigned long *rp, u32_t val, u32_t rval, unsigned long  *p);
+extern unsigned long ubicom32_flat_get_addr_from_rp(unsigned long *rp, u32_t relval, u32_t flags, unsigned long *p);
+
+#define	flat_stack_align(sp)			/* nothing needed */
+#define	flat_argvp_envp_on_stack()		1
+#define	flat_old_ram_flag(flags)		(flags)
+#define	flat_reloc_valid(reloc, size)		((reloc) <= (size))
+#define	flat_get_addr_from_rp(rp, relval, flags, p)	(ubicom32_flat_get_addr_from_rp(rp, relval,flags, p))
+#define	flat_put_addr_at_rp(rp, val, relval)	do {ubicom32_flat_put_addr_at_rp(rp, val, relval, &persistent);} while(0)
+#define	flat_get_relocate_addr(rel)		((persistent) ? (persistent & 0x07ffffff) : (rel & 0x07ffffff))
+
+static inline int flat_set_persistent(unsigned int relval, unsigned long *p)
+{
+	if (*p) {
+		return 0;
+	} else {
+		if ((relval >> 27) != R_UBICOM32_32) {
+			/*
+			 * Something other than UBICOM32_32. The next entry has the relocation.
+			 */
+			*p = relval;
+			return 1;
+		}
+	}
+	return 0;
+}
+
+#endif /* _ASM_UBICOM32_FLAT_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/fpu.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/fpu.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/fpu.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/fpu.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,37 @@
+/*
+ * arch/ubicom32/include/asm/fpu.h
+ *   Floating point state definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_FPU_H
+#define _ASM_UBICOM32_FPU_H
+
+/*
+ * MAX floating point unit state size (FSAVE/FRESTORE)
+ */
+/* No FP unit present then... */
+#define FPSTATESIZE (2) /* dummy size */
+
+#endif /* _ASM_UBICOM32_FPU_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ftrace.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ftrace.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/ftrace.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ftrace.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1 @@
+/* empty */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/futex.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/futex.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/futex.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/futex.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/futex.h
+ *   Generic futex.h for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_FUTEX_H
+#define _ASM_UBICOM32_FUTEX_H
+
+#include <asm-generic/futex.h>
+
+#endif /* _ASM_UBICOM32_FUTEX_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/.gitignore linux-2.6.30.10-ubi/arch/ubicom32/include/asm/.gitignore
--- linux-2.6.30.10/arch/ubicom32/include/asm/.gitignore	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/.gitignore	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1 @@
+/ocm_size.h
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/gpio.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/gpio.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/gpio.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/gpio.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,453 @@
+/*
+ * arch/ubicom32/include/asm/gpio.h
+ *   Definitions for GPIO operations on Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_GPIO_H
+#define _ASM_UBICOM32_GPIO_H
+
+#include <linux/compiler.h>
+#include <asm/irq.h>
+
+#include <asm/ip5000.h>
+
+#define ARCH_NR_GPIOS	         512
+#define MAX_UBICOM_ONCHIP_GPIO   (9 * 32)
+
+/*
+ * Macros for manipulating GPIO numbers
+ */
+#define gpio_bit(gn)			(1 << (gn & 0x1f))
+#define gpio_bank(gn)			(gn >> 5)
+
+#define gpio_pin_index(gn)		(gn & 0x1f)
+#define gpio_port_index(gn)		(gn >> 5)
+
+#define GPIO_RA_0    ((32 * 0) + 0)
+#define GPIO_RA_1    ((32 * 0) + 1)
+#define GPIO_RA_2    ((32 * 0) + 2)
+#define GPIO_RA_3    ((32 * 0) + 3)
+#define GPIO_RA_4    ((32 * 0) + 4)
+#define GPIO_RA_5    ((32 * 0) + 5)
+#define GPIO_RA_6    ((32 * 0) + 6)
+#define GPIO_RA_7    ((32 * 0) + 7)
+
+#define GPIO_RB_0    ((32 * 1) + 0)
+#define GPIO_RB_1    ((32 * 1) + 1)
+#define GPIO_RB_2    ((32 * 1) + 2)
+#define GPIO_RB_3    ((32 * 1) + 3)
+#define GPIO_RB_4    ((32 * 1) + 4)
+#define GPIO_RB_5    ((32 * 1) + 5)
+#define GPIO_RB_6    ((32 * 1) + 6)
+#define GPIO_RB_7    ((32 * 1) + 7)
+#define GPIO_RB_8    ((32 * 1) + 8)
+#define GPIO_RB_9    ((32 * 1) + 9)
+#define GPIO_RB_10   ((32 * 1) + 10)
+#define GPIO_RB_11   ((32 * 1) + 11)
+#define GPIO_RB_12   ((32 * 1) + 12)
+#define GPIO_RB_13   ((32 * 1) + 13)
+#define GPIO_RB_14   ((32 * 1) + 14)
+#define GPIO_RB_15   ((32 * 1) + 15)
+#define GPIO_RB_16   ((32 * 1) + 16)
+#define GPIO_RB_17   ((32 * 1) + 17)
+#define GPIO_RB_18   ((32 * 1) + 18)
+#define GPIO_RB_19   ((32 * 1) + 19)
+
+#define GPIO_RC_0    ((32 * 2) + 0)
+#define GPIO_RC_1    ((32 * 2) + 1)
+#define GPIO_RC_2    ((32 * 2) + 2)
+#define GPIO_RC_3    ((32 * 2) + 3)
+#define GPIO_RC_4    ((32 * 2) + 4)
+#define GPIO_RC_5    ((32 * 2) + 5)
+#define GPIO_RC_6    ((32 * 2) + 6)
+#define GPIO_RC_7    ((32 * 2) + 7)
+#define GPIO_RC_8    ((32 * 2) + 8)
+#define GPIO_RC_9    ((32 * 2) + 9)
+#define GPIO_RC_10   ((32 * 2) + 10)
+#define GPIO_RC_11   ((32 * 2) + 11)
+#define GPIO_RC_12   ((32 * 2) + 12)
+#define GPIO_RC_13   ((32 * 2) + 13)
+#define GPIO_RC_14   ((32 * 2) + 14)
+#define GPIO_RC_15   ((32 * 2) + 15)
+#define GPIO_RC_16   ((32 * 2) + 16)
+#define GPIO_RC_17   ((32 * 2) + 17)
+#define GPIO_RC_18   ((32 * 2) + 18)
+#define GPIO_RC_19   ((32 * 2) + 19)
+#define GPIO_RC_20   ((32 * 2) + 20)
+#define GPIO_RC_21   ((32 * 2) + 21)
+#define GPIO_RC_22   ((32 * 2) + 22)
+#define GPIO_RC_23   ((32 * 2) + 23)
+#define GPIO_RC_24   ((32 * 2) + 24)
+#define GPIO_RC_25   ((32 * 2) + 25)
+#define GPIO_RC_26   ((32 * 2) + 26)
+#define GPIO_RC_27   ((32 * 2) + 27)
+#define GPIO_RC_28   ((32 * 2) + 28)
+#define GPIO_RC_29   ((32 * 2) + 29)
+#define GPIO_RC_30   ((32 * 2) + 30)
+#define GPIO_RC_31   ((32 * 2) + 31)
+
+#define GPIO_RD_0    ((32 * 3) + 0)
+#define GPIO_RD_1    ((32 * 3) + 1)
+#define GPIO_RD_2    ((32 * 3) + 2)
+#define GPIO_RD_3    ((32 * 3) + 3)
+#define GPIO_RD_4    ((32 * 3) + 4)
+#define GPIO_RD_5    ((32 * 3) + 5)
+#define GPIO_RD_6    ((32 * 3) + 6)
+#define GPIO_RD_7    ((32 * 3) + 7)
+#define GPIO_RD_8    ((32 * 3) + 8)
+#define GPIO_RD_9    ((32 * 3) + 9)
+#define GPIO_RD_10   ((32 * 3) + 10)
+#define GPIO_RD_11   ((32 * 3) + 11)
+
+#define GPIO_RE_0    ((32 * 4) + 0)
+#define GPIO_RE_1    ((32 * 4) + 1)
+#define GPIO_RE_2    ((32 * 4) + 2)
+#define GPIO_RE_3    ((32 * 4) + 3)
+#define GPIO_RE_4    ((32 * 4) + 4)
+#define GPIO_RE_5    ((32 * 4) + 5)
+#define GPIO_RE_6    ((32 * 4) + 6)
+#define GPIO_RE_7    ((32 * 4) + 7)
+
+#define GPIO_RF_0    ((32 * 5) + 0)
+#define GPIO_RF_1    ((32 * 5) + 1)
+#define GPIO_RF_2    ((32 * 5) + 2)
+#define GPIO_RF_3    ((32 * 5) + 3)
+#define GPIO_RF_4    ((32 * 5) + 4)
+#define GPIO_RF_5    ((32 * 5) + 5)
+#define GPIO_RF_6    ((32 * 5) + 6)
+#define GPIO_RF_7    ((32 * 5) + 7)
+#define GPIO_RF_8    ((32 * 5) + 8)
+#define GPIO_RF_9    ((32 * 5) + 9)
+#define GPIO_RF_10   ((32 * 5) + 10)
+#define GPIO_RF_11   ((32 * 5) + 11)
+#define GPIO_RF_12   ((32 * 5) + 12)
+#define GPIO_RF_13   ((32 * 5) + 13)
+#define GPIO_RF_14   ((32 * 5) + 14)
+#define GPIO_RF_15   ((32 * 5) + 15)
+
+#define GPIO_RG_0    ((32 * 6) + 0)
+#define GPIO_RG_1    ((32 * 6) + 1)
+#define GPIO_RG_2    ((32 * 6) + 2)
+#define GPIO_RG_3    ((32 * 6) + 3)
+#define GPIO_RG_4    ((32 * 6) + 4)
+#define GPIO_RG_5    ((32 * 6) + 5)
+#define GPIO_RG_6    ((32 * 6) + 6)
+#define GPIO_RG_7    ((32 * 6) + 7)
+#define GPIO_RG_8    ((32 * 6) + 8)
+#define GPIO_RG_9    ((32 * 6) + 9)
+#define GPIO_RG_10   ((32 * 6) + 10)
+#define GPIO_RG_11   ((32 * 6) + 11)
+#define GPIO_RG_12   ((32 * 6) + 12)
+#define GPIO_RG_13   ((32 * 6) + 13)
+#define GPIO_RG_14   ((32 * 6) + 14)
+#define GPIO_RG_15   ((32 * 6) + 15)
+#define GPIO_RG_16   ((32 * 6) + 16)
+#define GPIO_RG_17   ((32 * 6) + 17)
+#define GPIO_RG_18   ((32 * 6) + 18)
+#define GPIO_RG_19   ((32 * 6) + 19)
+#define GPIO_RG_20   ((32 * 6) + 20)
+#define GPIO_RG_21   ((32 * 6) + 21)
+#define GPIO_RG_22   ((32 * 6) + 22)
+#define GPIO_RG_23   ((32 * 6) + 23)
+#define GPIO_RG_24   ((32 * 6) + 24)
+#define GPIO_RG_25   ((32 * 6) + 25)
+#define GPIO_RG_26   ((32 * 6) + 26)
+#define GPIO_RG_27   ((32 * 6) + 27)
+#define GPIO_RG_28   ((32 * 6) + 28)
+#define GPIO_RG_29   ((32 * 6) + 29)
+#define GPIO_RG_30   ((32 * 6) + 30)
+#define GPIO_RG_31   ((32 * 6) + 31)
+
+#define GPIO_RH_0    ((32 * 7) + 0)
+#define GPIO_RH_1    ((32 * 7) + 1)
+#define GPIO_RH_2    ((32 * 7) + 2)
+#define GPIO_RH_3    ((32 * 7) + 3)
+#define GPIO_RH_4    ((32 * 7) + 4)
+#define GPIO_RH_5    ((32 * 7) + 5)
+#define GPIO_RH_6    ((32 * 7) + 6)
+#define GPIO_RH_7    ((32 * 7) + 7)
+#define GPIO_RH_8    ((32 * 7) + 8)
+#define GPIO_RH_9    ((32 * 7) + 9)
+
+#define GPIO_RI_0    ((32 * 8) + 0)
+#define GPIO_RI_1    ((32 * 8) + 1)
+#define GPIO_RI_2    ((32 * 8) + 2)
+#define GPIO_RI_3    ((32 * 8) + 3)
+#define GPIO_RI_4    ((32 * 8) + 4)
+#define GPIO_RI_5    ((32 * 8) + 5)
+#define GPIO_RI_6    ((32 * 8) + 6)
+#define GPIO_RI_7    ((32 * 8) + 7)
+#define GPIO_RI_8    ((32 * 8) + 8)
+#define GPIO_RI_9    ((32 * 8) + 9)
+#define GPIO_RI_10   ((32 * 8) + 10)
+#define GPIO_RI_11   ((32 * 8) + 11)
+#define GPIO_RI_12   ((32 * 8) + 12)
+#define GPIO_RI_13   ((32 * 8) + 13)
+#define GPIO_RI_14   ((32 * 8) + 14)
+#define GPIO_RI_15   ((32 * 8) + 15)
+
+/*
+ * The following section defines extra GPIO available to some boards.
+ * These GPIO are generally external to the processor (i.e. SPI/I2C
+ * expander chips).
+ *
+ * Note that these defines show all possible GPIO available, however,
+ * depending on the actual board configuration, some GPIO are not
+ * available for use.
+ */
+#ifdef CONFIG_IP7500MEDIA
+/*
+ * U15
+ */
+#define IP7500MEDIA_U15_BASE	(32 * 10)
+#define IP7500MEDIA_IO0		(IP7500MEDIA_U15_BASE + 0)
+#define IP7500MEDIA_IO1		(IP7500MEDIA_U15_BASE + 1)
+#define IP7500MEDIA_IO2		(IP7500MEDIA_U15_BASE + 2)
+#define IP7500MEDIA_IO3		(IP7500MEDIA_U15_BASE + 3)
+#define IP7500MEDIA_IO4		(IP7500MEDIA_U15_BASE + 4)
+#define IP7500MEDIA_IO5		(IP7500MEDIA_U15_BASE + 5)
+#define IP7500MEDIA_IO6		(IP7500MEDIA_U15_BASE + 6)
+#define IP7500MEDIA_IO7		(IP7500MEDIA_U15_BASE + 7)
+
+/*
+ * U16
+ */
+#define IP7500MEDIA_U16_BASE	(32 * 11)
+#define IP7500MEDIA_IO8		(IP7500MEDIA_U16_BASE + 0)
+#define IP7500MEDIA_IO9		(IP7500MEDIA_U16_BASE + 1)
+#define IP7500MEDIA_IO10	(IP7500MEDIA_U16_BASE + 2)
+#define IP7500MEDIA_IO11	(IP7500MEDIA_U16_BASE + 3)
+#define IP7500MEDIA_IO12	(IP7500MEDIA_U16_BASE + 4)
+#define IP7500MEDIA_IO13	(IP7500MEDIA_U16_BASE + 5)
+#define IP7500MEDIA_IO14	(IP7500MEDIA_U16_BASE + 6)
+#define IP7500MEDIA_IO15	(IP7500MEDIA_U16_BASE + 7)
+
+/*
+ * U17
+ */
+#define IP7500MEDIA_U17_BASE	(32 * 12)
+#define IP7500MEDIA_IO16	(IP7500MEDIA_U17_BASE + 0)
+#define IP7500MEDIA_IO17	(IP7500MEDIA_U17_BASE + 1)
+#define IP7500MEDIA_IO18	(IP7500MEDIA_U17_BASE + 2)
+#define IP7500MEDIA_IO19	(IP7500MEDIA_U17_BASE + 3)
+#define IP7500MEDIA_IO20	(IP7500MEDIA_U17_BASE + 4)
+#define IP7500MEDIA_IO21	(IP7500MEDIA_U17_BASE + 5)
+#define IP7500MEDIA_IO22	(IP7500MEDIA_U17_BASE + 6)
+#define IP7500MEDIA_IO23	(IP7500MEDIA_U17_BASE + 7)
+
+/*
+ * U18
+ */
+#define IP7500MEDIA_U18_BASE	(32 * 13)
+#define IP7500MEDIA_IO24	(IP7500MEDIA_U18_BASE + 0)
+#define IP7500MEDIA_IO25	(IP7500MEDIA_U18_BASE + 1)
+#define IP7500MEDIA_IO26	(IP7500MEDIA_U18_BASE + 2)
+#define IP7500MEDIA_IO27	(IP7500MEDIA_U18_BASE + 3)
+#define IP7500MEDIA_IO28	(IP7500MEDIA_U18_BASE + 4)
+#define IP7500MEDIA_IO29	(IP7500MEDIA_U18_BASE + 5)
+#define IP7500MEDIA_IO30	(IP7500MEDIA_U18_BASE + 6)
+#define IP7500MEDIA_IO31	(IP7500MEDIA_U18_BASE + 7)
+#endif
+
+#ifdef CONFIG_IP7145DPF
+/*
+ * U48
+ */
+#define IP7145DPF_U48_BASE	(32 * 10)
+#define IP7145DPF_IO0		(IP7145DPF_U48_BASE + 0)
+#define IP7145DPF_IO1		(IP7145DPF_U48_BASE + 1)
+#define IP7145DPF_IO2		(IP7145DPF_U48_BASE + 2)
+#define IP7145DPF_IO3		(IP7145DPF_U48_BASE + 3)
+#define IP7145DPF_IO4		(IP7145DPF_U48_BASE + 4)
+#define IP7145DPF_IO5		(IP7145DPF_U48_BASE + 5)
+#define IP7145DPF_IO6		(IP7145DPF_U48_BASE + 6)
+#define IP7145DPF_IO7		(IP7145DPF_U48_BASE + 7)
+
+/*
+ * U72
+ */
+#define IP7145DPF_U72_BASE	(32 * 11)
+#define IP7145DPF_IOB0		(IP7145DPF_U72_BASE + 0)
+#define IP7145DPF_IOB1		(IP7145DPF_U72_BASE + 1)
+#define IP7145DPF_IOB2		(IP7145DPF_U72_BASE + 2)
+#define IP7145DPF_IOB3		(IP7145DPF_U72_BASE + 3)
+#define IP7145DPF_IOB4		(IP7145DPF_U72_BASE + 4)
+#define IP7145DPF_IOB5		(IP7145DPF_U72_BASE + 5)
+#define IP7145DPF_IOB6		(IP7145DPF_U72_BASE + 6)
+#define IP7145DPF_IOB7		(IP7145DPF_U72_BASE + 7)
+#endif
+
+#include <asm-generic/gpio.h>
+
+/*
+ * The following macros bypass gpiolib to generate direct references
+ * to the port registers.  These assume, minimally, that either
+ * gpio_direction_input() or gpio_direction_output() have already been
+ * called to setup the pin direction and to enable the pin function to
+ * be gpio.  These macros generate the hardware port address based on
+ * the assumption that all ports are 32 bits wide (even though we know
+ * they are not).  This is so we can efficiently turn pin numbers into
+ * port addresses without a lookup.
+ *
+ * These operations must be done in one instruction to prevent clobbering
+ * other thread's accesses to the same port.
+ */
+#define UBICOM32_GPIO_ENABLE(pin)				\
+	do {							\
+		asm volatile ("or.4 (%[port]), (%[port]), %[mask]\n\t"						\
+				:										\
+				: [port] "a" (&UBICOM32_IO_PORT(IO_BASE + (gpio_bank(pin) << 12))->gpio_mask),	\
+				  [mask] "d" (gpio_bit(pin))							\
+				: "cc", "memory"								\
+		);												\
+	} while (0);
+
+#define UBICOM32_GPIO_DISABLE(pin)				\
+	do {							\
+		asm volatile ("and.4 (%[port]), (%[port]), %[mask]\n\t"						\
+				:										\
+				: [port] "a" (&UBICOM32_IO_PORT(IO_BASE + (gpio_bank(pin) << 12))->gpio_mask),	\
+				  [mask] "d" (~gpio_bit(pin))							\
+				: "cc", "memory"								\
+		);												\
+	} while (0);
+
+#define UBICOM32_GPIO_SET_PIN_INPUT(pin)			\
+	do {							\
+		asm volatile ("and.4 (%[port]), (%[port]), %[mask]\n\t"						\
+				:										\
+				: [port] "a" (&UBICOM32_IO_PORT(IO_BASE + (gpio_bank(pin) << 12))->gpio_ctl),	\
+				  [mask] "d" (~gpio_bit(pin))							\
+				: "cc", "memory"								\
+		);												\
+	} while (0);
+
+#define UBICOM32_GPIO_SET_PIN_OUTPUT(pin)			\
+	do {							\
+		asm volatile ("or.4 (%[port]), (%[port]), %[mask]\n\t"						\
+				:										\
+				: [port] "a" (&UBICOM32_IO_PORT(IO_BASE + (gpio_bank(pin) << 12))->gpio_ctl),	\
+				  [mask] "d" (gpio_bit(pin))							\
+				: "cc", "memory"								\
+		);												\
+	} while (0);
+
+#define UBICOM32_GPIO_SET_PIN_TOGGLE(pin)			\
+	do {							\
+		asm volatile ("xor.4 (%[port]), (%[port]), %[mask]\n\t"						\
+				:										\
+				: [port] "a" (&UBICOM32_IO_PORT(IO_BASE + (gpio_bank(pin) << 12))->gpio_out),	\
+				  [mask] "d" (gpio_bit(pin))							\
+				: "cc", "memory"								\
+		);												\
+	} while (0);
+
+#define UBICOM32_GPIO_SET_PIN_HIGH(pin)				\
+	do {							\
+		asm volatile ("or.4 (%[port]), (%[port]), %[mask]\n\t"						\
+				:										\
+				: [port] "a" (&UBICOM32_IO_PORT(IO_BASE + (gpio_bank(pin) << 12))->gpio_out),	\
+				  [mask] "d" (gpio_bit(pin))							\
+				: "cc", "memory"								\
+		);												\
+	} while (0);
+
+#define UBICOM32_GPIO_SET_PIN_LOW(pin)				\
+	do {							\
+		asm volatile ("and.4 (%[port]), (%[port]), %[mask]\n\t"						\
+				:										\
+				: [port] "a" (&UBICOM32_IO_PORT(IO_BASE + (gpio_bank(pin) << 12))->gpio_out),	\
+				  [mask] "d" (~gpio_bit(pin))							\
+				: "cc", "memory"								\
+		);												\
+	} while (0);
+
+#define UBICOM32_GPIO_SET_PIN(pin, val) \
+  if ( val ) {                          \
+    UBICOM32_GPIO_SET_PIN_HIGH(pin);    \
+  } else {                              \
+    UBICOM32_GPIO_SET_PIN_LOW(pin);	\
+  }
+
+#define UBICOM32_GPIO_GET_PIN(pin)                                    \
+  (0 != (UBICOM32_IO_PORT(IO_BASE + (gpio_bank(pin) << 12))->gpio_in  \
+	 & gpio_bit(pin)))
+
+
+static inline int gpio_get_value(unsigned gpio)
+{
+  if (gpio <= MAX_UBICOM_ONCHIP_GPIO)
+    return UBICOM32_GPIO_GET_PIN(gpio);
+  else
+    return __gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value(unsigned gpio, int value)
+{
+  if (gpio <= MAX_UBICOM_ONCHIP_GPIO)
+    {
+      UBICOM32_GPIO_SET_PIN(gpio, value);
+    }
+  else
+    {
+      __gpio_set_value(gpio, value);
+    }
+}
+
+static inline int gpio_cansleep(unsigned gpio)
+{
+  return __gpio_cansleep(gpio);
+}
+
+static inline int gpio_to_irq(unsigned gpio)
+{
+#if defined(IP5000) || defined(IP5000_REV2)
+  if ((gpio >= GPIO_RA_4) && (gpio <= GPIO_RA_6))
+    return 25;
+  else
+    return -ENXIO;
+
+#elif defined(IP7000) || defined(IP7000_REV2)
+  if ((gpio >= GPIO_RA_4) && (gpio <= GPIO_RA_6))
+    return 44 + (gpio - GPIO_RA_4);
+  else
+    return -ENXIO;
+
+#else
+    return -ENXIO;
+
+#endif
+}
+
+static inline int irq_to_gpio(unsigned gpio)
+{
+	return -ENXIO;
+}
+
+extern struct ubicom32_io_port *ubi_gpio_get_port(unsigned gpio);
+
+extern int __init ubi_gpio_init(void);
+
+#endif /* _ASM_UBICOM32_GPIO_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/hardirq.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/hardirq.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/hardirq.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/hardirq.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,55 @@
+/*
+ * arch/ubicom32/include/asm/hardirq.h
+ *   Definition of ack_bad_irq() for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 1997, 98, 99, 2000, 01, 05 Ralf Baechle (ralf@linux-mips.org)
+ * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
+ * Copyright (C) 2001 MIPS Technologies, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_HARDIRQ_H
+#define _ASM_UBICOM32_HARDIRQ_H
+
+#include <linux/threads.h>
+#include <linux/irq.h>
+
+/*
+ * The hardirq mask has to be large enough to have space
+ * for potentially all IRQ sources in the system nesting
+ * on a single CPU.  For Ubicom32, we have 64 IRQ sources.
+ */
+#define HARDIRQ_BITS	6
+#if (1 << HARDIRQ_BITS) < NR_IRQS
+# error HARDIRQ_BITS is too low!
+#endif
+
+typedef struct {
+	unsigned int __softirq_pending;
+} ____cacheline_aligned irq_cpustat_t;
+
+#include <linux/irq_cpustat.h>	/* Standard mappings for irq_cpustat_t above */
+
+extern void ack_bad_irq(unsigned int irq);
+
+#endif /* _ASM_UBICOM32_HARDIRQ_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/hw_irq.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/hw_irq.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/hw_irq.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/hw_irq.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,31 @@
+/*
+ * arch/ubicom32/include/asm/hw_irq.h
+ *   Ubicom32 architecture APIC support.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_HW_IRQ_H
+#define _ASM_UBICOM32_HW_IRQ_H
+
+#endif /* _ASM_UBICOM32_HW_IRQ_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ioctl.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ioctl.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/ioctl.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ioctl.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/ioctl.h
+ *   Generic ioctl.h for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_IOCTL_H
+#define _ASM_UBICOM32_IOCTL_H
+
+#include <asm-generic/ioctl.h>
+
+#endif /* _ASM_UBICOM32_IOCTL_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ioctls.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ioctls.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/ioctls.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ioctls.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,111 @@
+/*
+ * arch/ubicom32/include/asm/ioctls.h
+ *   Definitions of ioctls for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_IOCTLS_H
+#define _ASM_UBICOM32_IOCTLS_H
+
+#include <asm/ioctl.h>
+
+/* 0x54 is just a magic number to make these relatively unique ('T') */
+
+#define TCGETS		0x5401
+#define TCSETS		0x5402
+#define TCSETSW		0x5403
+#define TCSETSF		0x5404
+#define TCGETA		0x5405
+#define TCSETA		0x5406
+#define TCSETAW		0x5407
+#define TCSETAF		0x5408
+#define TCSBRK		0x5409
+#define TCXONC		0x540A
+#define TCFLSH		0x540B
+#define TIOCEXCL	0x540C
+#define TIOCNXCL	0x540D
+#define TIOCSCTTY	0x540E
+#define TIOCGPGRP	0x540F
+#define TIOCSPGRP	0x5410
+#define TIOCOUTQ	0x5411
+#define TIOCSTI		0x5412
+#define TIOCGWINSZ	0x5413
+#define TIOCSWINSZ	0x5414
+#define TIOCMGET	0x5415
+#define TIOCMBIS	0x5416
+#define TIOCMBIC	0x5417
+#define TIOCMSET	0x5418
+#define TIOCGSOFTCAR	0x5419
+#define TIOCSSOFTCAR	0x541A
+#define FIONREAD	0x541B
+#define TIOCINQ		FIONREAD
+#define TIOCLINUX	0x541C
+#define TIOCCONS	0x541D
+#define TIOCGSERIAL	0x541E
+#define TIOCSSERIAL	0x541F
+#define TIOCPKT		0x5420
+#define FIONBIO		0x5421
+#define TIOCNOTTY	0x5422
+#define TIOCSETD	0x5423
+#define TIOCGETD	0x5424
+#define TCSBRKP		0x5425	/* Needed for POSIX tcsendbreak() */
+#define TIOCSBRK	0x5427  /* BSD compatibility */
+#define TIOCCBRK	0x5428  /* BSD compatibility */
+#define TIOCGSID	0x5429  /* Return the session ID of FD */
+#define TCGETS2		_IOR('T',0x2A, struct termios2)
+#define TCSETS2		_IOW('T',0x2B, struct termios2)
+#define TCSETSW2	_IOW('T',0x2C, struct termios2)
+#define TCSETSF2	_IOW('T',0x2D, struct termios2)
+#define TIOCGPTN	_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
+#define TIOCSPTLCK	_IOW('T',0x31, int)  /* Lock/unlock Pty */
+
+#define FIONCLEX	0x5450  /* these numbers need to be adjusted. */
+#define FIOCLEX		0x5451
+#define FIOASYNC	0x5452
+#define TIOCSERCONFIG	0x5453
+#define TIOCSERGWILD	0x5454
+#define TIOCSERSWILD	0x5455
+#define TIOCGLCKTRMIOS	0x5456
+#define TIOCSLCKTRMIOS	0x5457
+#define TIOCSERGSTRUCT	0x5458 /* For debugging only */
+#define TIOCSERGETLSR   0x5459 /* Get line status register */
+#define TIOCSERGETMULTI 0x545A /* Get multiport config  */
+#define TIOCSERSETMULTI 0x545B /* Set multiport config */
+
+#define TIOCMIWAIT	0x545C	/* wait for a change on serial input line(s) */
+#define TIOCGICOUNT	0x545D	/* read serial port inline interrupt counts */
+#define FIOQSIZE	0x545E
+
+/* Used for packet mode */
+#define TIOCPKT_DATA		 0
+#define TIOCPKT_FLUSHREAD	 1
+#define TIOCPKT_FLUSHWRITE	 2
+#define TIOCPKT_STOP		 4
+#define TIOCPKT_START		 8
+#define TIOCPKT_NOSTOP		16
+#define TIOCPKT_DOSTOP		32
+
+#define TIOCSER_TEMT    0x01	/* Transmitter physically empty */
+
+#endif /* _ASM_UBICOM32_IOCTLS_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/io.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/io.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/io.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/io.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,313 @@
+/*
+ * arch/ubicom32/include/asm/io.h
+ *   I/O memory accessor functions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_IO_H
+#define _ASM_UBICOM32_IO_H
+
+#ifdef __KERNEL__
+#include <linux/string.h>
+#include <linux/compiler.h>
+
+static inline unsigned short _swapw(volatile unsigned short v)
+{
+    return ((v << 8) | (v >> 8));
+}
+
+static inline unsigned int _swapl(volatile unsigned long v)
+{
+    return ((v << 24) | ((v & 0xff00) << 8) | ((v & 0xff0000) >> 8) | (v >> 24));
+}
+
+#ifndef CONFIG_PCI
+#define readb(addr) \
+    ({ unsigned char __v = (*(volatile unsigned char *) (addr)); __v; })
+#define readw(addr) \
+    ({ unsigned short __v = (*(volatile unsigned short *) (addr)); __v; })
+#define readl(addr) \
+    ({ unsigned int __v = (*(volatile unsigned int *) (addr)); __v; })
+
+#define writeb(b,addr) (void)((*(volatile unsigned char *) (addr)) = (b))
+#define writew(b,addr) (void)((*(volatile unsigned short *) (addr)) = (b))
+#define writel(b,addr) (void)((*(volatile unsigned int *) (addr)) = (b))
+#else /*CONFIG_PCI */
+
+#define PCI_CPU_REG_BASE (0x00000000UL)   /* taking lower 2GB space */
+#define PCI_DEV_REG_BASE (0x80000000UL)
+
+#if PCI_CPU_REG_BASE > PCI_DEV_REG_BASE
+#define IS_PCI_ADDRESS(x) (((unsigned int)(x)&(PCI_CPU_REG_BASE)) == 0)
+#else
+#define IS_PCI_ADDRESS(x) ((unsigned int)(x)&(PCI_DEV_REG_BASE))
+#endif
+
+extern unsigned int ubi32_pci_read_u32(const volatile void __iomem *addr);
+extern unsigned short ubi32_pci_read_u16(const volatile void __iomem *addr);
+extern unsigned char ubi32_pci_read_u8(const volatile void __iomem *addr);
+extern  void ubi32_pci_write_u32(unsigned int val, const volatile void __iomem *addr);
+extern  void ubi32_pci_write_u16(unsigned short val, const volatile void __iomem *addr);
+extern  void ubi32_pci_write_u8(unsigned char val, const volatile void __iomem *addr);
+
+static  inline unsigned char readb(const volatile void __iomem *addr)
+{
+	if (IS_PCI_ADDRESS(addr))
+		return ubi32_pci_read_u8(addr);
+	else
+		return (unsigned char)(*(volatile unsigned char *)addr);
+}
+static inline unsigned short readw(const volatile void __iomem *addr)
+{
+	if (IS_PCI_ADDRESS(addr))
+		return ubi32_pci_read_u16(addr);
+	else
+		return (unsigned short)(*(volatile unsigned short *)addr);
+}
+
+static  inline unsigned int  readl(const volatile void __iomem *addr)
+{
+	if (IS_PCI_ADDRESS(addr))
+		return ubi32_pci_read_u32(addr);
+	else
+		return (unsigned int)(*(volatile unsigned int *)addr);
+}
+
+static inline void writel(unsigned int val, volatile void __iomem *addr)
+{
+	if (IS_PCI_ADDRESS(addr))
+                ubi32_pci_write_u32(val, addr);
+        else
+		*(volatile unsigned int *)addr = val;
+}
+
+static inline void writew(unsigned short val, volatile void __iomem *addr)
+{
+	if (IS_PCI_ADDRESS(addr))
+                ubi32_pci_write_u16(val, addr);
+        else
+		*(volatile unsigned short *)addr = val;
+}
+
+static inline void writeb(unsigned char val, volatile void __iomem *addr)
+{
+	if (IS_PCI_ADDRESS(addr))
+                ubi32_pci_write_u8(val, addr);
+        else
+		*(volatile unsigned char *)addr = val;
+}
+#endif
+
+#define readb_relaxed(addr) readb(addr)
+#define readw_relaxed(addr) readw(addr)
+#define readl_relaxed(addr) readl(addr)
+
+
+#define __raw_readb readb
+#define __raw_readw readw
+#define __raw_readl readl
+#define __raw_writeb writeb
+#define __raw_writew writew
+#define __raw_writel writel
+
+static inline void io_outsb(unsigned int addr, const void *buf, int len)
+{
+	volatile unsigned char *ap = (volatile unsigned char *) addr;
+	unsigned char *bp = (unsigned char *) buf;
+	while (len--)
+		*ap = *bp++;
+}
+
+static inline void io_outsw(unsigned int addr, const void *buf, int len)
+{
+	volatile unsigned short *ap = (volatile unsigned short *) addr;
+	unsigned short *bp = (unsigned short *) buf;
+	while (len--)
+		*ap = _swapw(*bp++);
+}
+
+static inline void io_outsl(unsigned int addr, const void *buf, int len)
+{
+	volatile unsigned int *ap = (volatile unsigned int *) addr;
+	unsigned int *bp = (unsigned int *) buf;
+	while (len--)
+		*ap = _swapl(*bp++);
+}
+
+static inline void io_insb(unsigned int addr, void *buf, int len)
+{
+	volatile unsigned char *ap = (volatile unsigned char *) addr;
+	unsigned char *bp = (unsigned char *) buf;
+	while (len--)
+		*bp++ = *ap;
+}
+
+static inline void io_insw(unsigned int addr, void *buf, int len)
+{
+	volatile unsigned short *ap = (volatile unsigned short *) addr;
+	unsigned short *bp = (unsigned short *) buf;
+	while (len--)
+		*bp++ = _swapw(*ap);
+}
+
+static inline void io_insl(unsigned int addr, void *buf, int len)
+{
+	volatile unsigned int *ap = (volatile unsigned int *) addr;
+	unsigned int *bp = (unsigned int *) buf;
+	while (len--)
+		*bp++ = _swapl(*ap);
+}
+
+#define mmiowb()
+
+/*
+ *	make the short names macros so specific devices
+ *	can override them as required
+ */
+#ifndef CONFIG_PCI
+#define memset_io(a,b,c)	memset((void *)(a),(b),(c))
+#define memcpy_fromio(a,b,c)	memcpy((a),(void *)(b),(c))
+#define memcpy_toio(a,b,c)	memcpy((void *)(a),(b),(c))
+#else
+extern void memcpy_fromio(void *to, const volatile void __iomem *from, unsigned len);
+extern void memcpy_toio(volatile void __iomem *to, const void *from, unsigned len);
+extern void memset_io(volatile void __iomem *addr, int val, size_t count);
+#endif
+
+#define inb(addr)    readb(addr)
+#define inw(addr)    readw(addr)
+#define inl(addr)    readl(addr)
+#define outb(x,addr) ((void) writeb(x,addr))
+#define outw(x,addr) ((void) writew(x,addr))
+#define outl(x,addr) ((void) writel(x,addr))
+
+#define inb_p(addr)    inb(addr)
+#define inw_p(addr)    inw(addr)
+#define inl_p(addr)    inl(addr)
+#define outb_p(x,addr) outb(x,addr)
+#define outw_p(x,addr) outw(x,addr)
+#define outl_p(x,addr) outl(x,addr)
+
+#define outsb(a,b,l) io_outsb(a,b,l)
+#define outsw(a,b,l) io_outsw(a,b,l)
+#define outsl(a,b,l) io_outsl(a,b,l)
+
+#define insb(a,b,l) io_insb(a,b,l)
+#define insw(a,b,l) io_insw(a,b,l)
+#define insl(a,b,l) io_insl(a,b,l)
+
+#ifndef CONFIG_PCI
+#define ioread8_rep(a,d,c)	insb(a,d,c)
+#define ioread16_rep(a,d,c)	insw(a,d,c)
+#define ioread32_rep(a,d,c)	insl(a,d,c)
+#define iowrite8_rep(a,s,c)	outsb(a,s,c)
+#define iowrite16_rep(a,s,c)	outsw(a,s,c)
+#define iowrite32_rep(a,s,c)	outsl(a,s,c)
+#else
+extern void  ioread8_rep(void __iomem *port, void *buf, unsigned long count);
+extern void  ioread16_rep(void __iomem *port, void *buf, unsigned long count);
+extern void  ioread32_rep(void __iomem *port, void *buf, unsigned long count);
+extern void  iowrite8_rep(void __iomem *port, const void *buf, unsigned long count);
+extern void  iowrite16_rep(void __iomem *port, const void *buf, unsigned long count);
+extern void  iowrite32_rep(void __iomem *port, const void *buf, unsigned long count);
+#endif
+
+
+#ifndef CONFIG_PCI
+#define ioread8(X)			readb(X)
+#define ioread16(X)			readw(X)
+#define ioread32(X)			readl(X)
+#define iowrite8(val,X)			writeb(val,X)
+#define iowrite16(val,X)		writew(val,X)
+#define iowrite32(val,X)		writel(val,X)
+#else /*CONFIG_PCI */
+extern  unsigned char  ioread8(void __iomem *addr);
+extern  unsigned short ioread16(void __iomem *addr);
+extern  unsigned int  ioread32(void __iomem *addr);
+extern  void iowrite8(unsigned char val, void __iomem *addr);
+extern  void iowrite16(unsigned short val, void __iomem *addr);
+extern  void iowrite32(unsigned int val, void __iomem *addr);
+#endif /* CONFIG_PCI */
+
+#define IO_SPACE_LIMIT 0xffff
+
+/* Values for nocacheflag and cmode */
+#define IOMAP_FULL_CACHING		0
+#define IOMAP_NOCACHE_SER		1
+#define IOMAP_NOCACHE_NONSER		2
+#define IOMAP_WRITETHROUGH		3
+
+extern void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag);
+extern void __iounmap(void *addr, unsigned long size);
+
+static inline void *ioremap(unsigned long physaddr, unsigned long size)
+{
+	return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
+}
+static inline void *ioremap_nocache(unsigned long physaddr, unsigned long size)
+{
+	return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
+}
+static inline void *ioremap_writethrough(unsigned long physaddr, unsigned long size)
+{
+	return __ioremap(physaddr, size, IOMAP_WRITETHROUGH);
+}
+static inline void *ioremap_fullcache(unsigned long physaddr, unsigned long size)
+{
+	return __ioremap(physaddr, size, IOMAP_FULL_CACHING);
+}
+
+extern void iounmap(void *addr);
+
+#define ioport_map(port, nr)            ((void __iomem*)(port))
+#define ioport_unmap(addr)
+
+
+/* Pages to physical address... */
+#define page_to_phys(page)      ((page - mem_map) << PAGE_SHIFT)
+#define page_to_bus(page)       ((page - mem_map) << PAGE_SHIFT)
+
+/*
+ * Macros used for converting between virtual and physical mappings.
+ */
+#define phys_to_virt(vaddr)	((void *) (vaddr))
+#define virt_to_phys(vaddr)	((unsigned long) (vaddr))
+
+#define virt_to_bus virt_to_phys
+#define bus_to_virt phys_to_virt
+
+/*
+ * Convert a physical pointer to a virtual kernel pointer for /dev/mem
+ * access
+ */
+#define xlate_dev_mem_ptr(p)	__va(p)
+
+/*
+ * Convert a virtual cached pointer to an uncached pointer
+ */
+#define xlate_dev_kmem_ptr(p)	p
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_UBICOM32_IO_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ip5000-asm.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ip5000-asm.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/ip5000-asm.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ip5000-asm.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,156 @@
+/*
+ * arch/ubicom32/include/asm/ip5000-asm.h
+ *	Instruction macros for the IP5000.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#ifndef _ASM_UBICOM32_IP5000_ASM_H
+#define _ASM_UBICOM32_IP5000_ASM_H
+
+#if !defined(__LINKER__)
+
+#if defined(__ASSEMBLY__)
+.macro	cycles	quant
+.if	(\quant) == 1
+	nop
+.else
+.if	(((\quant) + 3) / 8) > 0
+.rept	(((\quant) + 3) / 8)
+	jmpt.f		.+4
+.endr
+.endif
+.if	((((\quant) + 3) % 8) / 4) > 0
+	jmpt.t		.+4
+.endif
+.endif
+.endm
+#else
+/*
+ * Same macro as above just in C inline asm
+ */
+asm ("					\n\
+.macro	cycles	quant			\n\
+.if	(\\quant) == 1			\n\
+	nop				\n\
+.else					\n\
+.if	(((\\quant) + 3) / 8) > 0	\n\
+.rept	(((\\quant) + 3) / 8)		\n\
+	jmpt.f		.+4		\n\
+.endr					\n\
+.endif					\n\
+.if	((((\\quant) + 3) % 8) / 4) > 0	\n\
+	jmpt.t		.+4		\n\
+.endif					\n\
+.endif					\n\
+.endm					\n\
+");
+#endif
+
+
+#if defined(__ASSEMBLY__)
+.macro	pipe_flush	cyc
+	cycles		11 - (\cyc)
+.endm
+#else
+/*
+ * Same macro as above just in C inline asm
+ */
+asm ("					\n\
+.macro	pipe_flush	cyc		\n\
+	cycles		11 - (\\cyc)	\n\
+.endm					\n\
+");
+
+#endif
+
+#if defined(__ASSEMBLY__)
+.macro	setcsr_flush	cyc
+	cycles		5 - (\cyc)
+.endm
+#else
+/*
+ * Same macro as above just in C inline asm
+ */
+asm ("					\n\
+.macro	setcsr_flush	cyc		\n\
+	cycles		5 - (\\cyc)	\n\
+.endm					\n\
+");
+#endif
+
+/*
+ * Macros for prefetch (using miss-aligned memory write)
+ */
+#if defined(__ASSEMBLY__)
+
+.macro	pre_fetch_macro	thread_num, Ascratch, Aaddress length
+	bclr		MT_TRAP_EN, MT_TRAP_EN, #(\thread_num)
+	bset		\Ascratch, \Aaddress, #0	; force a miss-aligned address
+	jmpt.t		.+4				; delay for both address setup and trap disable
+	move.4		(\Ascratch), #0
+	.if		(\length > 32)
+	move.4		32(\Ascratch), #0
+	.endif
+	.if		(\length > 64)
+	move.4		64(\Ascratch), #0
+	.endif
+	.if		(\length > 96)
+	move.4		96(\Ascratch), #0
+	.endif
+	.if		(\length > 128)
+	invalid_instruction				; maximum pre-fetch size is 4 cache lines
+	.endif
+	bset		MT_TRAP_EN, MT_TRAP_EN, #(\thread_num)
+.endm
+
+#else
+/*
+ * Same macro as above just in C inline asm
+ */
+asm ("								\n\
+.macro	pre_fetch_macro	thread_num, Ascratch, Aaddress length	\n\
+	bclr		MT_TRAP_EN, MT_TRAP_EN, #(\thread_num)	\n\
+	bset		\\Ascratch, \\Aaddress, #0	; force a miss-aligned address \n\
+	jmpt.t		.+4				; delay for both address setup and trap disable \n\
+	move.4		(\\Ascratch), #0			\n\
+	.if		(\\length > 32)				\n\
+	move.4		32(\\Ascratch), #0			\n\
+	.endif							\n\
+	.if		(\\length > 64)				\n\
+	move.4		64(\\Ascratch), #0			\n\
+	.endif							\n\
+	.if		(\\length > 96)				\n\
+	move.4		96(\\Ascratch), #0			\n\
+	.endif							\n\
+	.if		(\\length > 128)			\n\
+	invalid_instruction				; maximum pre-fetch size is 4 cache lines \n\
+	.endif							\n\
+	bset		MT_TRAP_EN, MT_TRAP_EN, #(\\thread_num)	\n\
+.endm								\n\
+");
+#endif
+
+#endif /* !defined(__LINKER__) */
+#endif /* defined _ASM_UBICOM32_IP5000_ASM_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ip5000.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ip5000.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/ip5000.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ip5000.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,845 @@
+/*
+ * arch/ubicom32/include/asm/ip5000.h
+ *   Specific details for the Ubicom IP5000 processor.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#ifndef _ASM_UBICOM32_IP5000_H
+#define _ASM_UBICOM32_IP5000_H
+
+#include <asm/memory_map.h>
+
+/*
+ * Inline assembly define
+ */
+#define S(arg) #arg
+#define D(arg) S(arg)
+
+/*
+ * Assembler include file
+ */
+#include <asm/ip5000-asm.h>
+
+/*
+ * Timing
+ */
+#define JMPT_PENALTY 3
+#define JMPF_PENALTY 7
+#define RET_PENALTY 7
+
+/*
+ * Threads
+ */
+#if defined(IP5000) || defined(IP5000_REV2)
+#define THREAD_COUNT 10
+#elif defined(IP7000) || defined(IP7000_REV2)
+#define THREAD_COUNT 12
+#else
+#error "Unknown IP5K silicon"
+#endif
+
+/*
+ * Arch
+ */
+#if defined(IP5000) || defined(IP5000_REV2)
+#define UBICOM32_ARCH_VERSION 3
+#elif defined(IP7000) || defined(IP7000_REV2)
+#define UBICOM32_ARCH_VERSION 4
+#else
+#error "Unknown IP5K silicon"
+#endif
+
+
+/*
+ * Registers
+ */
+#define ROSR_INT (1 << 0)
+
+/* Interrupts */
+#define INT_CHIP(reg, bit) (((reg) << 5) | (bit))
+#define INT_REG(interrupt) (((interrupt) >> 5) * 4)
+#define INT_SET(interrupt) 0x0114 + INT_REG(interrupt)
+#define INT_CLR(interrupt) 0x0124 + INT_REG(interrupt)
+#define INT_STAT(interrupt) 0x0104 + INT_REG(interrupt)
+#define INT_MASK(interrupt) 0x00C0 + INT_REG(interrupt)
+#define INT_BIT(interrupt) ((interrupt) & 0x1F)
+#define INT_BIT_MASK(interrupt) (1 << INT_BIT(interrupt))
+
+/*
+ * The LOCK_INT and THREAD_INT are used to wake up corresponding thread. They are sharing
+ * the same set of SW interrupt resource.
+ *
+ * LOCK_INT(n): One SW INT per NRT thread that can participate lock operation.
+ *	The threads that can participate lock are application threads and DSR thread.
+ *	(Lock locks - numbers are hard-coded in lock.h)
+ * THREAD_INT(n):   One SW INT per HRT thread for wake up trigger.
+ */
+#define LOCK_INT(thread)	INT_CHIP(0, (thread))
+#define THREAD_INT(thread)	INT_CHIP(0, (thread))
+
+/*
+ * The SYSTEM_INT and DSR_INT are sharing the same set of SW interrupt resource.
+ *
+ * SYSTEM_INT(n): One SW INT per NRT threads (application threads) as system queue interrupt,
+ *	and for DSR as self-trigger interrupt.
+ *	(The application threads include at least thread 0)
+ * DSR_INT(n):    One SW INT per HRT thread to request DSR service.
+ */
+#define SYSTEM_INT(thread)	INT_CHIP(0, THREAD_COUNT + (thread))
+#define DSR_INT(thread)		INT_CHIP(0, THREAD_COUNT + (thread))
+
+/* GLOBAL_CTRL */
+#define GLOBAL_CTRL_TRAP_RST_EN (1 << 9)
+#define GLOBAL_CTRL_AERROR_RST_EN (1 << 8)
+#define GLOBAL_CTRL_MT_MIN_DELAY(x) ((x) << 3)
+#define GLOBAL_CTRL_HRT_BANK_SELECT (1 << 2)
+#define GLOBAL_CTRL_INT_EN (1 << 0)
+
+/*
+ * HRT Tables
+ */
+#define HRT_TABLE0_BASE 0x0800
+#define HRT_TABLE1_BASE 0x0900
+#define HRT_TABLE_SIZE 64
+
+/*
+ * Break Point Trap Register
+ */
+#define ASYNCERROR_INT INT_CHIP(0, 31)
+#define BREAKPOINT_INT INT_CHIP(1, 31)
+
+/*
+ * Port interrupts
+ *	The non-existing FIFO INTs are mapped to INT2 for the ports.
+ */
+#define IO_PORT_PTR_TO_NUM(port) (((port) & 0x0000ffff) >> 12)
+#define RX_FIFO_INT(port) \
+	((IO_PORT_PTR_TO_NUM(port) == 0) ? INT_CHIP(0, 25) : \
+	((IO_PORT_PTR_TO_NUM(port) == 1) ? INT_CHIP(0, 26) : \
+	((IO_PORT_PTR_TO_NUM(port) == 2) ? INT_CHIP(0, 29) : \
+	((IO_PORT_PTR_TO_NUM(port) == 3) ? INT_CHIP(1, 24) : \
+	((IO_PORT_PTR_TO_NUM(port) == 4) ? INT_CHIP(1, 27) : \
+	((IO_PORT_PTR_TO_NUM(port) == 5) ? INT_CHIP(1, 16) : \
+	((IO_PORT_PTR_TO_NUM(port) == 6) ? INT_CHIP(1, 19) : \
+	((IO_PORT_PTR_TO_NUM(port) == 7) ? INT_CHIP(1, 20) : \
+	((IO_PORT_PTR_TO_NUM(port) == 8) ? INT_CHIP(1, 21) : \
+	INT_CHIP(1, 15))))))))))
+#define TX_FIFO_INT(port) \
+	((IO_PORT_PTR_TO_NUM(port) == 0) ? INT_CHIP(0, 24) : \
+	((IO_PORT_PTR_TO_NUM(port) == 1) ? INT_CHIP(0, 27) : \
+	((IO_PORT_PTR_TO_NUM(port) == 2) ? INT_CHIP(0, 29) : \
+	((IO_PORT_PTR_TO_NUM(port) == 3) ? INT_CHIP(1, 25) : \
+	((IO_PORT_PTR_TO_NUM(port) == 4) ? INT_CHIP(1, 28) : \
+	((IO_PORT_PTR_TO_NUM(port) == 5) ? INT_CHIP(1, 17) : \
+	((IO_PORT_PTR_TO_NUM(port) == 6) ? INT_CHIP(1, 19) : \
+	((IO_PORT_PTR_TO_NUM(port) == 7) ? INT_CHIP(1, 20) : \
+	((IO_PORT_PTR_TO_NUM(port) == 8) ? INT_CHIP(1, 22) : \
+	INT_CHIP(1, 15))))))))))
+#define PORT_OTHER_INT(port) \
+	((IO_PORT_PTR_TO_NUM(port) == 0) ? INT_CHIP(0, 25) : \
+	((IO_PORT_PTR_TO_NUM(port) == 1) ? INT_CHIP(0, 28) : \
+	((IO_PORT_PTR_TO_NUM(port) == 2) ? INT_CHIP(0, 29) : \
+	((IO_PORT_PTR_TO_NUM(port) == 3) ? INT_CHIP(1, 26) : \
+	((IO_PORT_PTR_TO_NUM(port) == 4) ? INT_CHIP(1, 29) : \
+	((IO_PORT_PTR_TO_NUM(port) == 5) ? INT_CHIP(1, 18) : \
+	((IO_PORT_PTR_TO_NUM(port) == 6) ? INT_CHIP(1, 19) : \
+	((IO_PORT_PTR_TO_NUM(port) == 7) ? INT_CHIP(1, 20) : \
+	((IO_PORT_PTR_TO_NUM(port) == 8) ? INT_CHIP(1, 23) : \
+	INT_CHIP(1, 15))))))))))
+
+/*
+ * On Chip Peripherals Base.
+ */
+#define OCP_BASE	0x01000000
+#define OCP_GENERAL	0x000
+#define OCP_TIMERS	0x100
+#define OCP_TRNG	0x200	/* True Random Number Generator Control Reigsters */
+#define OCP_DEBUG	0x300
+#define OCP_SECURITY	0x400
+#define OCP_ICCR	0x500	/* I-Cache Control Registers */
+#define OCP_DCCR	0x600	/* D-Cache Control Registers */
+#define OCP_OCMC	0x700	/* On Chip Memory Control Registers */
+#define OCP_STATISTICS	0x800	/* Statistics Counters */
+#define OCP_MTEST	0x900	/* Memory Test Registers */
+#define OCP_MCFG	0xa00	/* Memory Configuration Registers -- IP7000 only */
+#define OCP_DEBUG_INST	0x000	/* Up to 16M */
+
+/*
+ * General Configuration Registers (PLL)
+ */
+#define GENERAL_CFG_BASE (OCP_BASE + OCP_GENERAL)
+#define GEN_CLK_CORE_CFG 0x00
+#define GEN_CLK_IO_CFG 0x04
+#define GEN_CLK_DDR_CFG 0x08
+#define GEN_CLK_DDRDS_CFG 0x0c
+#define GEN_CLK_SLIP_CLR 0x10
+#define GEN_CLK_SLIP_START 0x14
+#define GEN_CLK_SERDES_SEL 0x18	/* IP7000 only */
+#define GEN_CLK_DDR_CFG2 0x1c	/* IP7000 only */
+#define GEN_DDR_CAL_CTRL 0x30	/* IP5000 only */
+#define GEN_DDR_CAL_STAT 0x34	/* IP5000 only */
+#define GEN_USB_DFT_CTRL 0x38	/* IP5000 only */
+#define GEN_USB_DFT_STAT 0x3c	/* IP5000 only */
+#define GEN_USB_PHY_CFG 0x40	/* IP7000 only */
+#define GEN_USB_PHY_TEST 0x44	/* IP7000 only */
+#define GEN_USB_PHY_STAT 0x48	/* IP7000 only */
+#define GEN_SW_RESET 0x80
+#define GEN_RESET_REASON 0x84
+#define GEN_BOND_CFG 0x88
+#define GEN_IO_PU_CFG 0x8c
+#define GEN_MEM_RM_CFG 0x90
+#define GEN_IO_CONFIG 0x94
+
+#define GEN_CLK_PLL_SECURITY_BIT_NO 31
+#define GEN_CLK_PLL_SECURITY (1 << GEN_CLK_PLL_SECURITY_BIT_NO)
+#define GEN_CLK_PLL_ENSAT (1 << 30)
+#define GEN_CLK_PLL_FASTEN (1 << 29)
+#define GEN_CLK_PLL_NR(v) (((v) - 1) << 23)
+#define GEN_CLK_PLL_NF(v) (((v) - 1) << 11)
+#define GEN_CLK_PLL_OD(v) (((v) - 1) << 8)
+#define GEN_CLK_PLL_RESET (1 << 7)
+#define GEN_CLK_PLL_BYPASS (1 << 6)
+#define GEN_CLK_PLL_POWERDOWN (1 << 5)
+#define GEN_CLK_PLL_SELECT (1 << 4)
+
+#define GEN_GET_CLK_PLL_NR(v) ((((v) >> 23) & 0x003f) + 1)
+#define GEN_GET_CLK_PLL_NF(v) ((((v) >> 11) & 0x0fff) + 1)
+#define GEN_GET_CLK_PLL_OD(v) ((((v) >> 8) & 0x7) + 1)
+
+
+#define RESET_FLAG_DST_MEM_ERROR (1 << 18)
+#define RESET_FLAG_SRC1_MEM_ERROR (1 << 17)
+#define RESET_FLAG_WRITE_ADDR (1 << 16)
+#define RESET_FLAG_DST_SYNC_ERROR (1 << 15)
+#define RESET_FLAG_SRC1_SYNC_ERROR (1 << 14)
+#define RESET_FLAG_DST_ALGN_ERROR (1 << 13)
+#define RESET_FLAG_SRC1_ALGN_ERROR (1 << 12)
+#define RESET_FLAG_DST_ADDR_ERROR (1 << 11)
+#define RESET_FLAG_SRC1_ADDR_ERROR (1 << 10)
+#define RESET_FLAG_ILLEGAL_INST (1 << 9)
+#define RESET_FLAG_INST_SYNC_ERROR (1 << 8)
+#define RESET_FLAG_INST_ADDR_ERROR (1 << 7)
+#define RESET_FLAG_DATA_PORT_ERROR (1 << 6)
+#define RESET_FLAG_INST_PORT_ERROR (1 << 5)
+#define RESET_FLAG_SW_RESET (1 << 4)
+#define RESET_FLAG_DEBUG (1 << 3)
+#define RESET_FLAG_WATCHDOG (1 << 2)
+#define RESET_FLAG_POWER_ON (1 << 1)
+#define RESET_FLAG_EXTERNAL (1 << 0)
+
+/*
+ * Timer block
+ */
+#define TIMER_BASE (OCP_BASE + OCP_TIMERS)
+#define TIMER_MPTVAL 0x00
+#define TIMER_RTCOM 0x04
+#define TIMER_TKEY 0x08
+#define TIMER_WDCOM 0x0c
+#define TIMER_WDCFG 0x10
+#define TIMER_SYSVAL 0x14
+#define TIMER_SYSCOM(tmr) (0x18 + (tmr) * 4)
+#define TIMER_TRN_CFG 0x100
+#define TIMER_TRN 0x104
+
+#define TIMER_COUNT 10
+#define TIMER_INT(tmr) INT_CHIP(1, (tmr))
+#define TIMER_TKEYVAL 0xa1b2c3d4
+#define TIMER_WATCHDOG_DISABLE 0x4d3c2b1a
+#define TIMER_TRN_CFG_ENABLE_OSC 0x00000007
+
+#ifndef __ASSEMBLY__
+/*
+ * ubicom32_io_timer
+ */
+struct ubicom32_io_timer {
+	volatile u32_t mptval;
+	volatile u32_t rtcom;
+	volatile u32_t tkey;
+	volatile u32_t wdcom;
+	volatile u32_t wdcfg;
+	volatile u32_t sysval;
+	volatile u32_t syscom[TIMER_COUNT];
+	volatile u32_t reserved[64 - 6 - TIMER_COUNT];	// skip all the way to OCP-TRNG section
+	volatile u32_t rsgcfg;
+	volatile u32_t trn;
+};
+
+#define UBICOM32_IO_TIMER ((struct ubicom32_io_timer *)TIMER_BASE)
+#endif
+
+#define UBICOM32_VECTOR_TO_TIMER_INDEX(vector) (vector - TIMER_INT(0))
+
+/*
+ * OCP-Debug Module (Mailbox)
+ */
+#define ISD_MAILBOX_BASE (OCP_BASE + OCP_DEBUG)
+#define ISD_MAILBOX_IN 0x00
+#define ISD_MAILBOX_OUT 0x04
+#define ISD_MAILBOX_STATUS 0x08
+
+#define ISD_MAILBOX_INT INT_CHIP(1, 30)
+
+#define ISD_MAILBOX_STATUS_IN_FULL (1 << 31)
+#define ISD_MAILBOX_STATUS_IN_EMPTY (1 << 30)
+#define ISD_MAILBOX_STATUS_OUT_FULL (1 << 29)
+#define ISD_MAILBOX_STATUS_OUT_EMPTY (1 << 28)
+
+/*
+ * OCP-Security
+ */
+#define SECURITY_BASE (OCP_BASE + OCP_SECURITY)
+#define SECURITY_BASE_EFFECTIVE_ADDRESS (SECURITY_BASE >> 7) // To load the base address in a single instruction
+#define SECURITY_CTRL 0x00
+#define SECURITY_CTRL_BYTE_OFFSET(x) ((x) << 16)
+#define SECURITY_CTRL_KEY_SIZE(x) ((x) << 8)
+#define SECURITY_CTRL_HASH_ALG_NONE (0 << 4)
+#define SECURITY_CTRL_HASH_ALG_MD5 (1 << 4)
+#define SECURITY_CTRL_HASH_ALG_SHA1 (2 << 4)
+#define SECURITY_CTRL_CBC (1 << 3)
+#define SECURITY_CTRL_CIPHER_ALG_AES (0 << 1)
+#define SECURITY_CTRL_CIPHER_ALG_NONE (1 << 1)
+#define SECURITY_CTRL_CIPHER_ALG_DES (2 << 1)
+#define SECURITY_CTRL_CIPHER_ALG_3DES (3 << 1)
+#define SECURITY_CTRL_ENCIPHER (1 << 0)
+#define SECURITY_CTRL_DECIPHER (0 << 0)
+#define SECURITY_STAT 0x04
+#define SECURITY_STAT_BUSY (1 << 0)
+#define SECURITY_KEY_VALUE(x) (0x10 + (x) * 4)
+#define SECURITY_KEY_IN(x) (0x30 + (x) * 4)
+#define SECURITY_KEY_OUT(x) (0x50 + (x) * 4)
+#define SECURITY_KEY_HASH(x) (0x70 + (x) * 4)
+
+/*
+ * OCP-ICCR
+ */
+#define ICCR_BASE (OCP_BASE + OCP_ICCR)
+#define ICACHE_TOTAL_SIZE 16384			/* in bytes */
+
+/*
+ * OCP-DCCR
+ */
+#define DCCR_BASE (OCP_BASE + OCP_DCCR)
+#if defined(IP5000) || defined(IP5000_REV2)
+#define DCACHE_TOTAL_SIZE 8192			/* in bytes */
+#elif defined(IP7000) || defined(IP7000_REV2)
+#define DCACHE_TOTAL_SIZE 16384			/* in bytes */
+#endif
+
+#if defined(IP5000) || defined(IP5000_REV2) || defined(IP7000) || defined(IP7000_REV2)
+#define DCACHE_WRITE_QUEUE_LENGTH 6
+#else
+#error "Unknown IP5K silicon"
+#endif
+
+#define CACHE_LINE_SIZE 32			/* in bytes */
+
+#define CCR_ADDR 0x00
+#define CCR_RDD 0x04
+#define CCR_WRD 0x08
+#define CCR_STAT 0x0c
+#define CCR_CTRL 0x10
+
+#define CCR_STAT_MCBE 0
+#define CCR_STAT_WIDEL 1			/* D-cache only */
+
+#define CCR_CTRL_DONE 0
+#define CCR_CTRL_RESET 2
+#define CCR_CTRL_VALID 3
+#define CCR_CTRL_RD_DATA (1 << 4)
+#define CCR_CTRL_RD_TAG (2 << 4)
+#define CCR_CTRL_WR_DATA (3 << 4)
+#define CCR_CTRL_WR_TAG (4 << 4)
+#define CCR_CTRL_INV_INDEX (5 << 4)
+#define CCR_CTRL_INV_ADDR (6 << 4)
+#define CCR_CTRL_FLUSH_INDEX (7 << 4)		/* D-cache only */
+#define CCR_CTRL_FLUSH_INV_INDEX (8 << 4)	/* D-cache only */
+#define CCR_CTRL_FLUSH_ADDR (9 << 4)		/* D-cache only */
+#define CCR_CTRL_FLUSH_INV_ADDR (10 << 4)	/* D-cache only */
+
+/*
+ * OCP-OCMC
+ */
+#define OCMC_BASE (OCP_BASE + OCP_OCMC)
+#define OCMC_BANK_MASK 0x00
+#define OCMC_BIST_CNTL 0x04	/* IP5000 only */
+#define OCMC_BIST_STAT 0x08	/* IP5000 only */
+
+#define OCMC_BANK_PROG(n) ((1<<(n))-1)
+
+#define OCMC_BIST_WRCK (1 << 7)
+#define OCMC_BIST_RESET (1 << 5)
+#define OCMC_BIST_SMART (1 << 4)
+#define OCMC_BIST_RUN (1 << 3)
+#define OCMC_BIST_REPAIR (1 << 2)
+
+#define OCMC_BIST_READY (1 << 3)
+#define OCMC_BIST_FAIL (1 << 2)
+
+/*
+ * OCP-STATISTICS
+ */
+#define STATISTICS_BASE (OCP_BASE + OCP_STATISTICS)
+#define STAT_COUNTER_CTRL(n) ((n)*8)
+#define STAT_COUNTER(n) ((n)*8 + 4)
+
+#define STAT_EVENT_MP_INST 0
+#define STAT_EVENT_OCM_ACCESS 4
+#define STAT_EVENT_OCM_REQ 5
+#define STAT_EVENT_IC_REQ_INVAL 13
+#define STAT_EVENT_IC_MISS_INVAL 14
+#define STAT_EVENT_IC_REQ_INVAL_NACK 15
+#define STAT_EVENT_IC_REQ_VAL 16
+#define STAT_EVENT_IC_MISS_VAL 17
+#define STAT_EVENT_IC_REQ_VAL_NACK 18
+#define STAT_EVENT_IC_MISS_Q 19
+#define STAT_EVENT_DC_RD_REQ 20
+#define STAT_EVENT_DC_RD_MISS 21
+#define STAT_EVENT_DC_WR_REQ 22
+#define STAT_EVENT_DC_WR_MISS 23
+#define STAT_EVENT_DC_MISS_Q 24
+#define STAT_EVENT_DC_WB_FULL 25
+#define STAT_EVENT_DC_REQ_NACK 26
+#define STAT_EVENT_DC_CORE_REQ 27
+#define STAT_EVENT_DC_MISS 28
+#define STAT_EVENT_DC_EVICT 29
+#define STAT_EVENT_TRUE 30
+#define STAT_EVENT_FALSE 31
+
+/*
+ * OCP_MTEST
+ */
+#define MTEST_BASE (OCP_BASE + OCP_MTEST)
+#define MTEST_ADDR 0x00
+#define MTEST_WR 0x04
+#define MTEST_RD 0x08
+#define MTEST_CTRL 0x0c
+
+/*
+ * OCP_MCFG (IP7000 only)
+ */
+#define MCFG_BASE (OCP_BASE + OCP_MCFG)
+#define MCFG_CTRL 0x00
+#define MCFG_WCFG 0x04
+#define MCFG_RCFG 0x08
+
+/*
+ * Port registers
+ */
+#define IO_BASE 0x02000000
+#define RA (IO_BASE + 0x00000000)
+#define RB (IO_BASE + 0x00001000)
+#define RC (IO_BASE + 0x00002000)
+#define RD (IO_BASE + 0x00003000)
+#define RE (IO_BASE + 0x00004000)
+#define RF (IO_BASE + 0x00005000)
+#define RG (IO_BASE + 0x00006000)
+#define RH (IO_BASE + 0x00007000)
+#define RI (IO_BASE + 0x00008000)
+#define RJ (IO_BASE + 0x00009000)
+#define RLATCH (IO_BASE + 0x00ff0000)	// For latched output only
+#define IO_PORT_BR_OFFSET 0x00000800
+
+/*
+ * General I/O Register Map (per port)
+ */
+#define IO_FUNC 0x00
+#define IO_GPIO_CTL 0x04
+#define IO_GPIO_OUT 0x08
+#define IO_GPIO_IN 0x0C
+#define IO_INT_STATUS 0x10
+#define IO_INT_MASK 0x14
+#define IO_INT_SET 0x18
+#define IO_INT_CLR 0x1C
+#define IO_TX_FIFO 0x20
+#define IO_TX_FIFO_HI 0x24
+#define IO_RX_FIFO 0x28
+#define IO_RX_FIFO_HI 0x2c
+#define IO_CTL0 0x30
+#define IO_CTL1 0x34
+#define IO_CTL2 0x38
+#define IO_STATUS0 0x3c
+#define IO_STATUS1 0x40
+#define IO_STATUS2 0x44
+#define IO_FIFO_WATER 0x48
+#define IO_FIFO_LEVEL 0x4c
+#define IO_GPIO_MASK 0x50
+
+#define IO_FUNC_FUNCTION_RESET(func) ((1 << ((func) - 1)) << 4)	/* Function 0 doesn't need reset */
+#define IO_FUNC_RX_FIFO (1 << 3)
+#define IO_FUNC_SELECT(func) ((func) << 0)
+
+/*
+ * External interrupt pins.
+ */
+#define EXT_INT_IO_BIT(pin) ((pin) + 5)	// Interrupt pin number -> I/O INT bit
+#define EXT_INT_RISING_EDGE(pin) (0x2 << (2*(pin) + 7))
+#define EXT_INT_FALLING_EDGE(pin) (0x1 << (2*(pin) + 7))
+
+/*
+ * Flash
+ */
+#define IO_XFL_BASE RA
+
+#define IO_XFL_INT_START (1 << 16)
+#define IO_XFL_INT_ERR (1 << 8)
+#define IO_XFL_INT_DONE (1 << 0)
+
+#define IO_XFL_CTL0_MASK (0xffe07fff)
+#define IO_XFL_CTL0_RD_CMD(cmd) (((cmd) & 0xff) << 24)
+#define IO_XFL_CTL0_RD_DUMMY(n) (((n) & 0x7) << 21)
+#define IO_XFL_CTL0_CLK_WIDTH(core_cycles) ((((core_cycles) + 1) & 0x7e) << 8)	/* must be even number */
+#define IO_XFL_CTL0_CE_WAIT(spi_cycles) (((spi_cycles) & 0x3f) << 2)
+#define IO_XFL_CTL0_MCB_LOCK (1 << 1)
+#define IO_XFL_CTL0_ENABLE (1 << 0)
+#define IO_XFL_CTL0_FAST_VALUE(div, wait) (IO_XFL_CTL0_RD_CMD(0xb) | IO_XFL_CTL0_RD_DUMMY(1) | IO_XFL_CTL0_CLK_WIDTH(div) | IO_XFL_CTL0_CE_WAIT(wait) | IO_XFL_CTL0_ENABLE)
+#define IO_XFL_CTL0_VALUE(div, wait) (IO_XFL_CTL0_RD_CMD(3) | IO_XFL_CTL0_CLK_WIDTH(div) | IO_XFL_CTL0_CE_WAIT(wait) | IO_XFL_CTL0_ENABLE)
+
+#define IO_XFL_CTL1_MASK (0xc0003fff)
+#define IO_XFL_CTL1_FC_INST(inst) (((inst) & 0x3) << 30)
+#define IO_XFL_CTL1_FC_DATA(n) (((n) & 0x3ff) << 4)
+#define IO_XFL_CTL1_FC_DUMMY(n) (((n) & 0x7) << 1)
+#define IO_XFL_CTL1_FC_ADDR (1 << 0)
+
+#define IO_XFL_CTL2_FC_CMD(cmd) (((cmd) & 0xff) << 24)
+#define IO_XFL_CTL2_FC_ADDR(addr) ((addr) & 0x00ffffff)	/* Only up to 24 bits */
+
+#define IO_XFL_STATUS0_MCB_ACTIVE (1 << 0)
+#define IO_XFL_STATUS0_IOPCS_ACTIVE (1 << 1)
+
+/*
+ * SDRAM
+ */
+#define IO_SDRAM_DATA_BASE RG
+#define IO_SDRAM_CNTL_BASE RH
+
+#define IO_SDRAM_CTRL0_EN_REF (1 << 0)
+
+/*
+ * Port function code (common fucntion codes for all I/O ports)
+ */
+#define IO_PORTX_FUNC_GPIO 0x00
+#define IO_PORTX_FUNC_XFL 0x01
+#define IO_PORTX_FUNC_PCI 0x01
+#define IO_PORTX_FUNC_SERDES 0x01
+#define IO_PORTX_FUNC_GMII 0x01
+#define IO_PORTX_FUNC_DDR 0x01
+#define IO_PORTX_FUNC_PCIX 0x01
+#define IO_PORTX_FUNC_USB2_0 0x01
+#define IO_PORTX_FUNC_GPIO_INT_CLK 0x02
+#define IO_PORTX_FUNC_PLIO 0x02
+#define IO_PORTX_FUNC_GPIO_INT 0x03
+#define IO_PORTX_FUNC_MII 0x03
+
+/*
+ * Port 0
+ */
+#define IO_PORT0_FUNC_GPIO IO_PORTX_FUNC_GPIO
+#define IO_PORT0_FUNC_XFL_INT_CLK IO_PORTX_FUNC_XFL	// Default mode after reset
+#define IO_PORT0_FUNC_GPIO_INT_CLK IO_PORTX_FUNC_GPIO_INT_CLK
+#define IO_PORT0_FUNC_GPIO_INT IO_PORTX_FUNC_GPIO_INT
+
+/*
+ * Port 1
+ */
+#define IO_PORT1_FUNC_GPIO IO_PORTX_FUNC_GPIO
+#define IO_PORT1_FUNC_PCI IO_PORTX_FUNC_PCI		// PCI control
+#define IO_PORT1_FUNC_MII IO_PORTX_FUNC_MII		// port 4 MII extension
+
+/*
+ * Port 2
+ */
+#define IO_PORT2_FUNC_GPIO IO_PORTX_FUNC_GPIO
+#define IO_PORT2_FUNC_PCI IO_PORTX_FUNC_PCI		// PCI data I/O
+#define IO_PORT2_FUNC_PLIO IO_PORTX_FUNC_PLIO		// Extended LM
+
+/*
+ * Port 3
+ */
+#define IO_PORT3_FUNC_GPIO IO_PORTX_FUNC_GPIO
+#define IO_PORT3_FUNC_SERDES IO_PORTX_FUNC_SERDES
+#define IO_PORT3_FUNC_PLIO IO_PORTX_FUNC_PLIO
+
+/*
+ * Port 4
+ */
+#define IO_PORT4_FUNC_GPIO IO_PORTX_FUNC_GPIO
+#define IO_PORT4_FUNC_SERDES IO_PORTX_FUNC_SERDES
+#define IO_PORT4_FUNC_PLIO IO_PORTX_FUNC_PLIO		// Extended LM
+#define IO_PORT4_FUNC_MII IO_PORTX_FUNC_MII
+
+/*
+ * Port 5
+ */
+#define IO_PORT5_FUNC_GPIO IO_PORTX_FUNC_GPIO
+#define IO_PORT5_FUNC_GMII IO_PORTX_FUNC_GMII
+
+/*
+ * Port 6
+ */
+#define IO_PORT6_FUNC_GPIO IO_PORTX_FUNC_GPIO
+#define IO_PORT6_FUNC_DDR IO_PORTX_FUNC_DDR
+
+/*
+ * Port 7
+ */
+#define IO_PORT7_FUNC_GPIO IO_PORTX_FUNC_GPIO
+#define IO_PORT7_FUNC_DDR IO_PORTX_FUNC_DDR
+
+/*
+ * Port 8
+ */
+#define IO_PORT8_FUNC_GPIO IO_PORTX_FUNC_GPIO
+#define IO_PORT8_FUNC_PCIX IO_PORTX_FUNC_PCIX
+#define IO_PORT8_FUNC_PLIO IO_PORTX_FUNC_PLIO		// Extended LM
+#define IO_PORT8_FUNC_MII IO_PORTX_FUNC_MII		// port 4 MII extension
+
+/*
+ * Port 9
+ */
+#define IO_PORT9_FUNC_USB2_0 IO_PORTX_FUNC_USB2_0
+
+/*
+ * FIFO
+ */
+#define IO_PORTX_INT_FIFO_TX_RESET (1 << 31)
+#define IO_PORTX_INT_FIFO_RX_RESET (1 << 30)
+#define IO_PORTX_INT_FIFO_TX_UF (1 << 15)
+#define IO_PORTX_INT_FIFO_TX_WM (1 << 14)
+#define IO_PORTX_INT_FIFO_RX_OF (1 << 13)
+#define IO_PORTX_INT_FIFO_RX_WM (1 << 12)
+
+#define IO_PORTX_FUNC_FIFO_TX_WM(n) ((n) << 16)
+#define IO_PORTX_FUNC_FIFO_RX_WM(n) ((n) << 0)
+
+/*
+ * MII
+ */
+#define IO_PORTX_INT_MII_TX_ERR_SEND (1 << 18)
+#define IO_PORTX_INT_MII_TX_HALT (1 << 17)
+#define IO_PORTX_INT_MII_TX_START (1 << 16)
+#define IO_PORTX_INT_MII_THRESHOLD (1 << 8)
+#define IO_PORTX_INT_MII_RX_EOP (1 << 7)
+#define IO_PORTX_INT_MII_RX_SFD (1 << 6)
+#define IO_PORTX_INT_MII_RX_ERR (1 << 5)
+#define IO_PORTX_INT_MII_TX_EOP (1 << 4)
+#define IO_PORTX_INT_MII_COL (1 << 3)
+#define IO_PORTX_INT_MII_CRS (1 << 2)
+#define IO_PORTX_INT_MII_ODD_NIB_ERR (1 << 1)
+#define IO_PORTX_INT_MII_FALSE_CARRIER (1 << 0)
+
+/*
+ * SerDes
+ */
+#define IO_PORTX_INT_SERDES_TXBUF_VALID (1 << 16)
+#define IO_PORTX_INT_SERDES_RXERR (1 << 7)
+#define IO_PORTX_INT_SERDES_RXEOP (1 << 6)
+#define IO_PORTX_INT_SERDES_SYND (1 << 5)
+#define IO_PORTX_INT_SERDES_TXBE (1 << 4)
+#define IO_PORTX_INT_SERDES_TXEOP (1 << 3)
+#define IO_PORTX_INT_SERDES_SXLP (1 << 2)
+#define IO_PORTX_INT_SERDES_RXBF (1 << 1)
+#define IO_PORTX_INT_SERDES_RXCRS (1 << 0)
+
+#ifndef __ASSEMBLY__
+struct ubicom32_io_port {
+	volatile u32_t function;
+	volatile u32_t gpio_ctl;
+	volatile u32_t gpio_out;
+	volatile u32_t gpio_in;
+	volatile u32_t int_status;
+	volatile u32_t int_mask;
+	volatile u32_t int_set;
+	volatile u32_t int_clr;
+	volatile u32_t tx_fifo;
+	volatile u32_t tx_fifo_hi;
+	volatile u32_t rx_fifo;
+	volatile u32_t rx_fifo_hi;
+	volatile u32_t ctl0;
+	volatile u32_t ctl1;
+	volatile u32_t ctl2;
+	volatile u32_t status0;
+	volatile u32_t status1;
+	volatile u32_t status2;
+	volatile u32_t fifo_watermark;
+	volatile u32_t fifo_level;
+	volatile u32_t gpio_mask;
+};
+
+#define UBICOM32_IO_PORT(port) ((struct ubicom32_io_port *)((port)))
+#endif
+
+#ifndef __ASSEMBLY__
+/*
+ * ubicom32_set_interrupt()
+ */
+extern inline void ubicom32_set_interrupt(u8_t interrupt)
+{
+	u32_t ibit = INT_BIT_MASK(interrupt);
+
+	if (INT_REG(interrupt) == INT_REG(INT_CHIP(0, 0))) {
+		asm volatile (
+			"move.4		"D(INT_SET(INT_CHIP(0, 0)))", %0\n\t"
+			:
+			: "r" (ibit)
+		);
+
+		return;
+	}
+
+	asm volatile (
+		"move.4		"D(INT_SET(INT_CHIP(1, 0)))", %0\n\t"
+		:
+		: "r" (ibit)
+	);
+}
+
+/*
+ * ubicom32_clear_interrupt()
+ */
+extern inline void ubicom32_clear_interrupt(u8_t interrupt)
+{
+	u32_t ibit = INT_BIT_MASK(interrupt);
+
+	if (INT_REG(interrupt) == INT_REG(INT_CHIP(0, 0))) {
+		asm volatile (
+			"move.4		"D(INT_CLR(INT_CHIP(0, 0)))", %0\n\t"
+			:
+			: "r" (ibit)
+		);
+
+		return;
+	}
+
+	asm volatile (
+		"move.4		"D(INT_CLR(INT_CHIP(1, 0)))", %0\n\t"
+		:
+		: "r" (ibit)
+	);
+}
+
+/*
+ * ubicom32_enable_interrupt()
+ */
+extern inline void ubicom32_enable_interrupt(u8_t interrupt)
+{
+	u32_t ibit = INT_BIT_MASK(interrupt);
+
+	if (INT_REG(interrupt) == INT_REG(INT_CHIP(0, 0))) {
+		asm volatile (
+			"or.4		"D(INT_MASK(INT_CHIP(0, 0)))", "D(INT_MASK(INT_CHIP(0, 0)))", %0\n\t"
+			:
+			: "d" (ibit)
+		);
+
+		return;
+	}
+
+	asm volatile (
+		"or.4		"D(INT_MASK(INT_CHIP(1, 0)))", "D(INT_MASK(INT_CHIP(1, 0)))", %0\n\t"
+		:
+		: "d" (ibit)
+	);
+}
+
+/*
+ * ubicom32_disable_interrupt()
+ */
+extern inline void ubicom32_disable_interrupt(u8_t interrupt)
+{
+	u32_t ibit = ~INT_BIT_MASK(interrupt);
+
+	if (INT_REG(interrupt) == INT_REG(INT_CHIP(0, 0))) {
+		asm volatile (
+			"and.4		"D(INT_MASK(INT_CHIP(0, 0)))", "D(INT_MASK(INT_CHIP(0, 0)))", %0\n\t"
+			:
+			: "d" (ibit)
+		);
+
+		return;
+	}
+
+	asm volatile (
+		"and.4		"D(INT_MASK(INT_CHIP(1, 0)))", "D(INT_MASK(INT_CHIP(1, 0)))", %0\n\t"
+		:
+		: "d" (ibit)
+	);
+}
+
+/*
+ * ubicom32_enable_global_interrupts()
+ */
+extern inline void ubicom32_enable_global_interrupts(void)
+{
+	asm volatile(
+		"bset		GLOBAL_CTRL, GLOBAL_CTRL, #%bit("D(GLOBAL_CTRL_INT_EN)")"
+	);
+}
+
+/*
+ * ubicom32_disable_global_interrupts()
+ */
+extern inline void ubicom32_disable_global_interrupts(void)
+{
+	asm volatile(
+		"bclr		GLOBAL_CTRL, GLOBAL_CTRL, #%bit("D(GLOBAL_CTRL_INT_EN)")"
+	);
+}
+
+/*
+ * ubicom32_get_reset_reason()
+ */
+extern inline u32_t ubicom32_get_reset_reason(void)
+{
+	return *(u32_t *)(GENERAL_CFG_BASE + GEN_RESET_REASON);
+}
+
+/*
+ * ubicom32_read_reg()
+ */
+extern inline u32_t ubicom32_read_reg(volatile void *reg)
+{
+	u32_t v;
+	asm volatile (
+		"move.4		%[dest], %[src]	\n\t"
+		: [dest] "=r" (v)
+		: [src] "m" (*(u32_t *)reg)
+	);
+	return v;
+}
+
+/*
+ * ubicom32_write_reg()
+ */
+extern inline void ubicom32_write_reg(volatile void *reg, u32_t v)
+{
+	asm volatile (
+		"move.4		%[dest], %[src]	\n\t"
+		:
+		: [src] "r" (v), [dest] "m" (*(u32_t *)reg)
+	);
+}
+
+#endif /* __ASSEMBLY__ */
+#endif /* _ASM_UBICOM32_IP5000_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ipcbuf.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ipcbuf.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/ipcbuf.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ipcbuf.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,55 @@
+/*
+ * arch/ubicom32/include/asm/ipcbuf.h
+ *   Definition of ipc64_perm struct for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_IPCBUF_H
+#define _ASM_UBICOM32_IPCBUF_H
+
+/*
+ * The user_ipc_perm structure for m68k architecture.
+ * Note extra padding because this structure is passed back and forth
+ * between kernel and user space.
+ *
+ * Pad space is left for:
+ * - 32-bit mode_t and seq
+ * - 2 miscellaneous 32-bit values
+ */
+struct ipc64_perm
+{
+	__kernel_key_t		key;
+	__kernel_uid32_t	uid;
+	__kernel_gid32_t	gid;
+	__kernel_uid32_t	cuid;
+	__kernel_gid32_t	cgid;
+	__kernel_mode_t		mode;
+	unsigned short		__pad1;
+	unsigned short		seq;
+	unsigned short		__pad2;
+	unsigned long		__unused1;
+	unsigned long		__unused2;
+};
+
+#endif /* _ASM_UBICOM32_IPCBUF_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/irqflags.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/irqflags.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/irqflags.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/irqflags.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,96 @@
+/*
+ * arch/ubicom32/include/asm/irqflags.h
+ *   Raw implementation of local IRQ functions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_IRQFLAGS_H
+#define _ASM_UBICOM32_IRQFLAGS_H
+
+#include <linux/thread_info.h>
+#include <asm/ubicom32-common.h>
+#if defined(CONFIG_SMP)
+#include <asm/smp.h>
+#endif
+#include <asm/ldsr.h>
+
+#if defined(CONFIG_PREEMPT)
+#error Not supported by Ubicom32 irq handling, yet!
+#endif
+
+/*
+ * raw_local_irq_enable()
+ *	Enable interrupts for this thread.
+ */
+static inline void raw_local_irq_enable(void)
+{
+	ldsr_local_irq_enable();
+}
+
+/*
+ * raw_local_irq_disable()
+ *	Disable interrupts for this thread.
+ */
+static inline void raw_local_irq_disable(void)
+{
+	ldsr_local_irq_disable();
+}
+
+/*
+ * raw_local_save_flags()
+ *	Get the current IRQ state.
+ */
+#define raw_local_save_flags(flags) 		\
+do {						\
+	(flags) = ldsr_local_irq_is_disabled();	\
+} while (0)
+
+/*
+ * raw_local_irq_save()
+ *	Save the current interrupt state and disable interrupts.
+ */
+#define raw_local_irq_save(flags)		\
+do {						\
+	(flags) = ldsr_local_irq_save();	\
+} while (0)
+
+/*
+ * raw_local_irq_restore()
+ *	Restore the IRQ state back to flags.
+ */
+static inline void raw_local_irq_restore(unsigned long flags)
+{
+	ldsr_local_irq_restore(flags);
+}
+
+/*
+ * raw_irqs_disabled_flags()
+ *	Return true if the flags indicate that IRQ(s) are disabled.
+ */
+static inline int raw_irqs_disabled_flags(unsigned long flags)
+{
+	return (flags);
+}
+
+#endif /* _ASM_UBICOM32_IRQFLAGS_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/irq.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/irq.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/irq.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/irq.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,45 @@
+/*
+ * arch/ubicom32/include/asm/irq.h
+ *   IRQ definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_IRQ_H
+#define _ASM_UBICOM32_IRQ_H
+
+#include <asm/irqflags.h>
+
+/*
+ * We setup the IRQS to cover the full range of interrupt registers in
+ * processor.
+ */
+#define NR_IRQS		64
+
+#define irq_canonicalize(irq) (irq)
+
+extern int irq_soft_alloc(unsigned int *soft);
+extern void ack_bad_irq(unsigned int irq);
+extern void do_IRQ(int irq, struct pt_regs *fp);
+
+#endif /* _ASM_UBICOM32_IRQ_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/irq_regs.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/irq_regs.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/irq_regs.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/irq_regs.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/irq_regs.h
+ *   Generic irq_regs.h for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_IRQ_REGS_H
+#define _ASM_UBICOM32_IRQ_REGS_H
+
+#include <asm-generic/irq_regs.h>
+
+#endif /* _ASM_UBICOM32_IRQ_REGS_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/Kbuild linux-2.6.30.10-ubi/arch/ubicom32/include/asm/Kbuild
--- linux-2.6.30.10/arch/ubicom32/include/asm/Kbuild	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/Kbuild	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1 @@
+include include/asm-generic/Kbuild.asm
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/kdebug.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/kdebug.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/kdebug.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/kdebug.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/kdebug.h
+ *   Generic kdebug.h for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_KDEBUG_H
+#define _ASM_UBICOM32_KDEBUG_H
+
+#include <asm-generic/kdebug.h>
+
+#endif /* _ASM_UBICOM32_KDEBUG_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/kmap_types.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/kmap_types.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/kmap_types.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/kmap_types.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,48 @@
+/*
+ * arch/ubicom32/include/asm/kmap_types.h
+ *   Definition of km_type's for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_KMAP_TYPES_H
+#define _ASM_UBICOM32_KMAP_TYPES_H
+
+enum km_type {
+	KM_BOUNCE_READ,
+	KM_SKB_SUNRPC_DATA,
+	KM_SKB_DATA_SOFTIRQ,
+	KM_USER0,
+	KM_USER1,
+	KM_BIO_SRC_IRQ,
+	KM_BIO_DST_IRQ,
+	KM_PTE0,
+	KM_PTE1,
+	KM_IRQ0,
+	KM_IRQ1,
+	KM_SOFTIRQ0,
+	KM_SOFTIRQ1,
+	KM_TYPE_NR
+};
+
+#endif /* _ASM_UBICOM32_KMAP_TYPES_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ldsr.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ldsr.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/ldsr.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ldsr.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,186 @@
+/*
+ * arch/ubicom32/include/asm/ldsr.h
+ *   Ubicom32 LDSR interface definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_LDSR_H
+#define _ASM_UBICOM32_LDSR_H
+
+#include <asm/ubicom32-common.h>
+#include <asm/types.h>
+#include <asm/thread.h>
+
+extern unsigned int ldsr_soft_irq_mask;
+
+/*
+ * ldsr_local_irq_is_disabled()
+ *	Test if interrupts are disabled for this thread?
+ */
+static inline int ldsr_local_irq_is_disabled(void)
+{
+	int ret;
+	thread_t self = thread_get_self();
+	unsigned int mask = (1 << self);
+
+	asm volatile (
+	"	and.4	%0, scratchpad1, %1	\n\t"
+		: "=r" (ret)
+		: "d" (mask)
+		: "cc"
+	);
+
+	/*
+	 *  We return a simple 1 == disabled, 0 == enabled
+	 *  losing which tid this is for, because Linux
+	 *  can restore interrupts on a different thread.
+	 */
+	return ret >> self;
+}
+
+/*
+ * ldsr_local_irq_save()
+ *	Get the current interrupt state and disable interrupts.
+ */
+static inline unsigned int ldsr_local_irq_save(void)
+{
+	int ret;
+	thread_t self = thread_get_self();
+	unsigned int mask = (1 << self);
+
+	/*
+	 * Ensure the compiler can not optimize out the code
+	 * (volatile) and that it does not "cache" values around
+	 * the interrupt state change (memory).  This ensures
+	 * that interrupt changes are treated as a critical
+	 * section.
+	 */
+	asm volatile (
+	"	and.4	%0, scratchpad1, %1		\n\t"
+	"	or.4	scratchpad1, scratchpad1, %1	\n\t"
+		: "=&r" (ret)
+		: "d" (mask)
+		: "cc", "memory"
+	);
+
+	/*
+	 *  We return a simple 1 == disabled, 0 == enabled
+	 *  losing which tid this is for, because Linux
+	 *  can restore interrupts on a different thread.
+	 */
+	return ret >> self;
+}
+
+/*
+ * ldsr_local_irq_restore()
+ * 	Restore this cpu's interrupt enable/disable state.
+ *
+ * Note: flags is either 0 or 1.
+ */
+static inline void ldsr_local_irq_restore(unsigned int flags)
+{
+	unsigned int temp;
+	thread_t self = thread_get_self();
+	unsigned int mask = (1 << self);
+	flags = (flags << self);
+
+	/*
+	 * Ensure the compiler can not optimize out the code
+	 * (volatile) and that it does not "cache" values around
+	 * the interrupt state change (memory).  This ensures
+	 * that interrupt changes are treated as a critical
+	 * section.
+	 *
+	 * Atomic change to our bit in scratchpad1 without
+	 * causing any temporary glitch in the value and
+	 * without effecting other values.  Also this uses
+	 * no branches so no penalties.
+	 */
+	asm volatile (
+	"	xor.4	%0, scratchpad1, %1		\n\t"
+	"	and.4	%0, %2, %0			\n\t"
+	"	xor.4	scratchpad1, scratchpad1, %0	\n\t"
+	"	move.4	int_set0, %3			\n\t"
+		: "=&d"(temp)
+		: "d"(flags), "r"(mask), "r"(ldsr_soft_irq_mask)
+		: "cc", "memory"
+	);
+}
+
+/*
+ * ldsr_local_irq_disable_interrupt()
+ * 	Disable ints for this thread.
+ */
+static inline void ldsr_local_irq_disable(void)
+{
+	unsigned int mask = (1 << thread_get_self());
+
+	/*
+	 * Ensure the compiler can not optimize out the code
+	 * (volatile) and that it does not "cache" values around
+	 * the interrupt state change (memory).  This ensures
+	 * that interrupt changes are treated as a critical
+	 * section.
+	 */
+	asm  volatile (
+	"	or.4	scratchpad1, scratchpad1, %0	\n\t"
+		:
+		: "d" (mask)
+		: "cc", "memory"
+	);
+}
+
+/*
+ * ldsr_local_irq_enable_interrupt
+ * 	Enable ints for this thread.
+ */
+static inline void ldsr_local_irq_enable(void)
+{
+	unsigned int mask = (1 << thread_get_self());
+
+	/*
+	 * Ensure the compiler can not optimize out the code
+	 * (volatile) and that it does not "cache" values around
+	 * the interrupt state change (memory).  This ensures
+	 * that interrupt changes are treated as a critical
+	 * section.
+	 */
+	asm volatile (
+	"	and.4	scratchpad1, scratchpad1, %0	\n\t"
+	"	move.4	int_set0, %1			\n\t"
+		:
+		: "d" (~mask), "r" (ldsr_soft_irq_mask)
+		: "cc", "memory"
+	);
+}
+
+extern void ldsr_init(void);
+extern void ldsr_set_trap_irq(unsigned int irq);
+extern void ldsr_mask_vector(unsigned int vector);
+extern void ldsr_unmask_vector(unsigned int vector);
+extern void ldsr_enable_vector(unsigned int vector);
+extern void ldsr_disable_vector(unsigned int vector);
+extern thread_t ldsr_get_threadid(void);
+
+#endif /* _ASM_UBICOM32_LDSR_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/linkage.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/linkage.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/linkage.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/linkage.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,34 @@
+/*
+ * arch/ubicom32/include/asm/linkage.h
+ *   Definition of Ubicom32 architecture specific linkage types.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_LINKAGE_H
+#define _ASM_UBICOM32_LINKAGE_H
+
+#define __ocm_text __section(.ocm_text)
+#define __ocm_data __section(.ocm_data)
+
+#endif	/* _ASM_UBICOM32_LINKAGE_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/local.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/local.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/local.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/local.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/local.h
+ *   Generic local.h for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_LOCAL_H
+#define _ASM_UBICOM32_LOCAL_H
+
+#include <asm-generic/local.h>
+
+#endif /* _ASM_UBICOM32_LOCAL_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/machdep.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/machdep.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/machdep.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/machdep.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,43 @@
+/*
+ * arch/ubicom32/include/asm/machdep.h
+ *   Machine dependent utility routines.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_MACHDEP_H
+#define _ASM_UBICOM32_MACHDEP_H
+
+#include <linux/interrupt.h>
+
+/* Hardware clock functions */
+extern unsigned long hw_timer_offset(void);
+
+/* machine dependent power off functions */
+extern void (*mach_reset)(void);
+extern void (*mach_halt)(void);
+extern void (*mach_power_off)(void);
+
+extern void config_BSP(char *command, int len);
+
+#endif /* _ASM_UBICOM32_MACHDEP_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/mc146818rtc.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/mc146818rtc.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/mc146818rtc.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/mc146818rtc.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,36 @@
+/*
+ * arch/ubicom32/include/asm/mc146818rtc.h
+ *   Generic mc146818rtc.h for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+/*
+ * Machine dependent access functions for RTC registers.
+ */
+#ifndef _ASM_UBICOM32_MC146818RTC_H
+#define _ASM_UBICOM32_MC146818RTC_H
+
+/* empty include file to satisfy the include in genrtc.c/ide-geometry.c */
+
+#endif /* _ASM_UBICOM32_MC146818RTC_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/memory_map.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/memory_map.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/memory_map.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/memory_map.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,66 @@
+/*
+ * arch/ubicom32/include/asm/memory_map.h
+ *   Machine memory maps/
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_MEMORY_MAP_H
+#define _ASM_UBICOM32_MEMORY_MAP_H
+
+/*
+ * Memory Size
+ */
+#define OCM_SECTOR_SIZE	0x00008000		/* 32K */
+
+#if defined(CONFIG_UBICOM32_V3)
+#define OCMSIZE	0x00030000	/* 192K on-chip RAM for both program and data */
+#elif defined(CONFIG_UBICOM32_V4)
+#define OCMSIZE	0x0003C000	/* 240K on-chip RAM for both program and data */
+#else
+#error "Unknown IP5K silicon"
+#endif
+
+#define OCMSTART	0x3ffc0000 /* alias from 0x03000000 for easy
+				    * jump to/from SDRAM */
+#define OCMEND		(OCMSTART + OCMSIZE)
+
+#define SDRAMSTART	0x40000000
+
+#define KERNELSTART	(SDRAMSTART + 0x00400000)
+
+#define FLASHSTART	0x60000000
+
+/*
+ * CODELOADER / OS_SYSCALL OCM Reservations
+ * Don't change these unless you know what you are doing.
+ */
+#define CODELOADER_SIZE  0x30
+#define CODELOADER_BEGIN OCMSTART /* Must be OCM start for gdb to work. */
+#define CODELOADER_END	 (CODELOADER_BEGIN + CODELOADER_SIZE)
+
+#define OS_SYSCALL_BEGIN CODELOADER_END	/* system_call at this address */
+#define OS_SYSCALL_SIZE  (512 - CODELOADER_SIZE)
+#define OS_SYSCALL_END	 (OS_SYSCALL_BEGIN + OS_SYSCALL_SIZE)
+
+#endif /* _ASM_UBICOM32_MEMORY_MAP_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/mman.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/mman.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/mman.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/mman.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,44 @@
+/*
+ * arch/ubicom32/include/asm/mman.h
+ *   Memory mapping definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_MMAN_H
+#define _ASM_UBICOM32_MMAN_H
+
+#include <asm-generic/mman.h>
+
+#define MAP_GROWSDOWN	0x0100		/* stack-like segment */
+#define MAP_DENYWRITE	0x0800		/* ETXTBSY */
+#define MAP_EXECUTABLE	0x1000		/* mark it as an executable */
+#define MAP_LOCKED	0x2000		/* pages are locked */
+#define MAP_NORESERVE	0x4000		/* don't check for reservations */
+#define MAP_POPULATE	0x8000		/* populate (prefault) pagetables */
+#define MAP_NONBLOCK	0x10000		/* do not block on IO */
+
+#define MCL_CURRENT	1		/* lock all current mappings */
+#define MCL_FUTURE	2		/* lock all future mappings */
+
+#endif /* _ASM_UBICOM32_MMAN_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/mmu_context.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/mmu_context.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/mmu_context.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/mmu_context.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,60 @@
+/*
+ * arch/ubicom32/include/asm/mmu_context.h
+ *   MMU context definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 2004, Microtronix Datacom Ltd., All rights reserved.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#ifndef _ASM_UBICOM32_MMU_CONTEXT_H
+#define _ASM_UBICOM32_MMU_CONTEXT_H
+
+#include <asm/setup.h>
+#include <asm/page.h>
+#include <asm/pgalloc.h>
+
+static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
+{
+}
+
+extern inline int
+init_new_context(struct task_struct *tsk, struct mm_struct *mm)
+{
+	// mm->context = virt_to_phys(mm->pgd);
+	return(0);
+}
+
+#define destroy_context(mm)		do { } while(0)
+
+static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, struct task_struct *tsk)
+{
+}
+
+#define deactivate_mm(tsk,mm)	do { } while (0)
+
+extern inline void activate_mm(struct mm_struct *prev_mm, struct mm_struct *next_mm)
+{
+}
+
+#endif /* _ASM_UBICOM32_MMU_CONTEXT_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/mmu.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/mmu.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/mmu.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/mmu.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,41 @@
+/*
+ * arch/ubicom32/include/asm/mmu.h
+ *   Definition of mm_context_t struct for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 2002, David McCullough <davidm@snapgear.com>
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_MMU_H
+#define _ASM_UBICOM32_MMU_H
+
+typedef struct {
+	struct vm_list_struct	*vmlist;
+	unsigned long		end_brk;
+#ifdef CONFIG_BINFMT_ELF_FDPIC
+	unsigned long	exec_fdpic_loadmap;
+	unsigned long	interp_fdpic_loadmap;
+#endif
+} mm_context_t;
+
+#endif /* _ASM_UBICOM32_MMU_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/module.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/module.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/module.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/module.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,48 @@
+/*
+ * arch/ubicom32/include/asm/module.h
+ *   Ubicom32 architecture specific module definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_MODULE_H
+#define _ASM_UBICOM32_MODULE_H
+
+struct mod_arch_specific {
+	void *ocm_inst;
+	int ocm_inst_size;
+};
+
+#define Elf_Shdr Elf32_Shdr
+#define Elf_Sym Elf32_Sym
+#define Elf_Ehdr Elf32_Ehdr
+
+#define ARCH_PROC_MODULES_EXTRA(m,mod) \
+	seq_printf(m, " OCM(%d bytes @ 0x%p)", \
+		   (mod)->arch.ocm_inst_size, (mod)->arch.ocm_inst)
+
+#define ARCH_OOPS_MODULE_EXTRA(mod) \
+	printk(KERN_INFO "%p %u OCM(%p %u)\n", \
+		(mod)->module_core, (mod)->core_size, \
+		(mod)->arch.ocm_inst, (mod)->arch.ocm_inst_size)
+#endif /* _ASM_UBICOM32_MODULE_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/msgbuf.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/msgbuf.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/msgbuf.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/msgbuf.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,58 @@
+/*
+ * arch/ubicom32/include/asm/msgbuf.h
+ *   Definition of msqid64_ds struct for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_MSGBUF_H
+#define _ASM_UBICOM32_MSGBUF_H
+
+/*
+ * The msqid64_ds structure for ubicom32 architecture.
+ * Note extra padding because this structure is passed back and forth
+ * between kernel and user space.
+ *
+ * Pad space is left for:
+ * - 64-bit time_t to solve y2038 problem
+ * - 2 miscellaneous 32-bit values
+ */
+
+struct msqid64_ds {
+	struct ipc64_perm msg_perm;
+	__kernel_time_t msg_stime;	/* last msgsnd time */
+	unsigned long	__unused1;
+	__kernel_time_t msg_rtime;	/* last msgrcv time */
+	unsigned long	__unused2;
+	__kernel_time_t msg_ctime;	/* last change time */
+	unsigned long	__unused3;
+	unsigned long  msg_cbytes;	/* current number of bytes on queue */
+	unsigned long  msg_qnum;	/* number of messages in queue */
+	unsigned long  msg_qbytes;	/* max number of bytes on queue */
+	__kernel_pid_t msg_lspid;	/* pid of last msgsnd */
+	__kernel_pid_t msg_lrpid;	/* last receive pid */
+	unsigned long  __unused4;
+	unsigned long  __unused5;
+};
+
+#endif /* _ASM_UBICOM32_MSGBUF_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/mutex.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/mutex.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/mutex.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/mutex.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,41 @@
+/*
+ * arch/ubicom32/include/asm/mutex.h
+ *   Generic mutex.h for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+/*
+ * Pull in the generic implementation for the mutex fastpath.
+ *
+ * TODO: implement optimized primitives instead, or leave the generic
+ * implementation in place, or pick the atomic_xchg() based generic
+ * implementation. (see asm-generic/mutex-xchg.h for details)
+ */
+
+#ifndef _ASM_UBICOM32_MUTEX_H
+#define _ASM_UBICOM32_MUTEX_H
+
+#include <asm-generic/mutex-dec.h>
+
+#endif /* _ASM_UBICOM32_MUTEX_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/namei.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/namei.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/namei.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/namei.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,38 @@
+/*
+ * arch/ubicom32/include/asm/namei.h
+ *   Definition of __emul_prefix() for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_NAMEI_H
+#define _ASM_UBICOM32_NAMEI_H
+
+/* This dummy routine maybe changed to something useful
+ * for /usr/gnemul/ emulation stuff.
+ * Look at asm-sparc/namei.h for details.
+ */
+
+#define __emul_prefix() NULL
+
+#endif /* _ASM_UBICOM32_NAMEI_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ocm-alloc.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ocm-alloc.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/ocm-alloc.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ocm-alloc.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,36 @@
+/*
+ * arch/ubicom32/include/asm/ocm-alloc.h
+ *   Ubicom32 architecture specific ocm definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_OCM_ALLOC_H
+#define _ASM_UBICOM32_OCM_ALLOC_H
+
+
+extern void *ocm_inst_alloc(size_t size, pid_t pid);
+extern int ocm_free(const void *ptr);
+extern int ocm_inst_free(const void *ptr);
+
+#endif /* _ASM_UBICOM32_OCM_ALLOC_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ocm_size.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ocm_size.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/ocm_size.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ocm_size.h	2009-12-14 14:30:27.000000000 +0200
@@ -0,0 +1,3 @@
+#define APP_OCM_CODE_SIZE (0x3ffc2e00-0x3ffc0000)
+#define APP_OCM_DATA_SIZE (0x3ffd3500-0x3ffc8000)
+
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ocm_text.lds.inc linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ocm_text.lds.inc
--- linux-2.6.30.10/arch/ubicom32/include/asm/ocm_text.lds.inc	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ocm_text.lds.inc	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,175 @@
+/*
+ * arch/ubicom32/include/asm/ocm_text.lds.inc
+ *	<TODO: Replace with short file description>
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+*(.text.do_csum)
+*(.text.tcp_packet)
+*(.text.ipt_do_table)
+*(.text.nf_conntrack_in)
+*(.text.ip_forward)
+*(.text.dev_queue_xmit)
+*(.text.netif_receive_skb)
+*(.text.ip_route_input)
+*(.text.ip_finish_output)
+*(.text.nf_iterate)
+*(.text.__hash_conntrack)
+*(.text.memset)
+*(.text.memcpy)
+*(.text.ip_rcv)
+*(.text.__nf_conntrack_find)
+*(.text.dev_hard_start_xmit)
+*(.text.vlan_dev_hard_start_xmit)
+*(.text.vlan_dev_hard_header)
+*(.text.__nf_ct_refresh_acct)
+*(.text.tcp_error)
+*(.text.pfifo_fast_enqueue)
+*(.text.ipv4_confirm)
+*(.text.ip_output)
+*(.text.neigh_connected_output)
+*(.text.nf_hook_slow)
+*(.text.nf_nat_packet)
+*(.text.local_bh_enable)
+*(.text.pfifo_fast_dequeue)
+*(.text.ubi32_eth_receive)
+*(.text.nf_nat_fn)
+*(.text.skb_checksum)
+*(.text.memmove)
+*(.text.ubi32_eth_tx_done)
+*(.text.eth_header)
+*(.text.skb_release_data)
+*(.text.nf_conntrack_find_get)
+*(.text.process_backlog)
+*(.text.vlan_skb_recv)
+*(.text.ip_rcv_finish)
+*(.text.__qdisc_run)
+*(.text.skb_push)
+*(.text.eth_type_trans)
+*(.text.__alloc_skb)
+*(.text.netif_rx)
+*(.text.nf_ip_checksum)
+*(.text.__skb_checksum_complete_head)
+*(.text.ipv4_conntrack_defrag)
+*(.text.tcp_pkt_to_tuple)
+*(.text.kfree)
+*(.text.tcp_manip_pkt)
+*(.text.skb_put)
+*(.text.nf_ct_get_tuple)
+*(.text.__kmalloc)
+*(.text.ubi32_eth_start_xmit)
+*(.text.free_block)
+*(.text.ipt_hook)
+*(.text.kmem_cache_free)
+*(.text.skb_pull_rcsum)
+*(.text.cache_alloc_refill)
+*(.text.skb_release_head_state)
+*(.text.manip_pkt)
+*(.text.ip_sabotage_in)
+*(.text.ip_forward_finish)
+*(.text.kmem_cache_alloc)
+*(.text.local_bh_disable)
+*(.text.ipv4_pkt_to_tuple)
+*(.text.inet_proto_csum_replace4)
+*(.text.__nf_ct_l4proto_find)
+*(.text.csum_partial)
+*(.text.neigh_resolve_output)
+*(.text.__kfree_skb)
+*(.text.kfree_skb)
+*(.text.__find_vlan_dev)
+*(.text.ldsr_ctxsw_thread)
+*(.text.__do_IRQ)
+*(.text.skb_pull)
+*(.text.ipv4_invert_tuple)
+*(.text.nf_ct_invert_tuplepr)
+*(.text.skb_make_writable)
+*(.text.ipv4_get_l4proto)
+*(.text.handle_IRQ_event)
+*(.text.net_rx_action)
+*(.text.__do_softirq)
+*(.text.nf_nat_in)
+*(.text.note_interrupt)
+*(.text.ipv4_conntrack_in)
+*(.text.dst_release)
+*(.text.tasklet_action)
+*(.text.nf_nat_out)
+*(.text.nf_ct_invert_tuple)
+*(.text.do_IRQ)
+*(.text.__tasklet_schedule)
+*(.text.__skb_checksum_complete)
+*(.text.ubi32_eth_interrupt)
+*(.text.dev_kfree_skb_any)
+*(.text.ret_from_interrupt_to_kernel)
+*(.text.preemptive_context_save)
+*(.text.irq_ack_vector)
+*(.text.update_wall_time)
+*(.text.ldsr_thread)
+*(.text.irq_exit)
+*(.text.ubi32_eth_do_tasklet)
+*(.text.__napi_schedule)
+*(.text.idle_cpu)
+*(.text.run_timer_softirq)
+*(.text.ldsr_mask_vector)
+*(.text.irq_enter)
+*(.text.ldsr_get_lsb)
+*(.text.ldsr_unmask_vector)
+*(.text.ip_fast_csum)
+*(.text.hrtimer_run_queues)
+*(.text.tcp_invert_tuple)
+*(.text.T___705)
+*(.text.run_posix_cpu_timers)
+*(.text.free_hot_cold_page)
+*(.text.lock_timer_base)
+*(.text.calc_delta_mine)
+*(.text.slab_destroy)
+*(.text.rcu_pending)
+*(.text.scheduler_tick)
+*(.text.hrtimer_run_pending)
+*(.text.do_softirq)
+*(.text.del_timer)
+*(.text.irq_end_vector)
+*(.text.pci_read_u32)
+*(.text.udivmodsi4)
+*(.text.memcmp)
+*(.text.memset)
+*(.text.__slab_alloc)
+*(.text.br_handle_frame)
+*(.text.br_fdb_update)
+*(.text.__br_fdb_get)
+*(.text.br_forward)
+*(.text.br_handle_frame_finish)
+*(.text.pci_write_u32)
+*(.text.kmem_freepages)
+*(.text.br_dev_queue_push_xmit)
+*(.text.ioread32)
+*(.text.next_zones_zonelist)
+*(.text.ubi32_pci_read_u32)
+*(.text.zone_watermark_ok)
+*(.text.__rmqueue_smallest)
+*(.text.ubi32_eth_napi_poll)
+*(.text.ubi32_pci_write_u32)
+*(.text.ubi32_pci_read_u32)
+*(.text._local_bh_enable)
+*(.text._local_bh_disable)
+*(.text.get_slab)
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/page.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/page.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/page.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/page.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,106 @@
+/*
+ * arch/ubicom32/include/asm/page.h
+ *   Memory page related operations and definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_PAGE_H
+#define _ASM_UBICOM32_PAGE_H
+
+/* PAGE_SHIFT determines the page size */
+
+#define PAGE_SHIFT	12
+#define PAGE_SIZE	(1 << PAGE_SHIFT)
+#define PAGE_MASK	(~(PAGE_SIZE-1))
+
+#include <asm/setup.h>
+
+#ifndef __ASSEMBLY__
+
+#define get_user_page(vaddr)		__get_free_page(GFP_KERNEL)
+#define free_user_page(page, addr)	free_page(addr)
+
+#define clear_page(page)	memset((page), 0, PAGE_SIZE)
+#define copy_page(to,from)	memcpy((to), (from), PAGE_SIZE)
+
+#define clear_user_page(page, vaddr, pg)	clear_page(page)
+#define copy_user_page(to, from, vaddr, pg)	copy_page(to, from)
+
+#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
+	alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
+#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
+
+/*
+ * These are used to make use of C type-checking..
+ */
+typedef struct { unsigned long pte; } pte_t;
+typedef struct { unsigned long pmd[16]; } pmd_t;
+typedef struct { unsigned long pgd; } pgd_t;
+typedef struct { unsigned long pgprot; } pgprot_t;
+typedef struct page *pgtable_t;
+
+#define pte_val(x)	((x).pte)
+#define pmd_val(x)	((&x)->pmd[0])
+#define pgd_val(x)	((x).pgd)
+#define pgprot_val(x)	((x).pgprot)
+
+#define __pte(x)	((pte_t) { (x) } )
+#define __pmd(x)	((pmd_t) { (x) } )
+#define __pgd(x)	((pgd_t) { (x) } )
+#define __pgprot(x)	((pgprot_t) { (x) } )
+
+extern unsigned long memory_start;
+extern unsigned long memory_end;
+
+#endif /* !__ASSEMBLY__ */
+
+#include <asm/page_offset.h>
+
+#define PAGE_OFFSET		(PAGE_OFFSET_RAW)
+
+#ifndef __ASSEMBLY__
+
+#define __pa(vaddr)		virt_to_phys((void *)(vaddr))
+#define __va(paddr)		phys_to_virt((unsigned long)(paddr))
+
+#define virt_to_pfn(kaddr)	(__pa(kaddr) >> PAGE_SHIFT)
+#define pfn_to_virt(pfn)	__va((pfn) << PAGE_SHIFT)
+
+#define virt_to_page(addr)	(mem_map + (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT))
+#define page_to_virt(page)	((((page) - mem_map) << PAGE_SHIFT) + PAGE_OFFSET)
+
+#define pfn_to_page(pfn)	virt_to_page(pfn_to_virt(pfn))
+#define page_to_pfn(page)	virt_to_pfn(page_to_virt(page))
+#define pfn_valid(pfn)	        ((pfn) < max_mapnr)
+
+#define	virt_addr_valid(kaddr)	(((void *)(kaddr) >= (void *)PAGE_OFFSET) && \
+				((void *)(kaddr) < (void *)memory_end))
+
+#endif /* __ASSEMBLY__ */
+
+#ifdef __KERNEL__
+#include <asm-generic/page.h>
+#endif
+
+#endif /* _ASM_UBICOM32_PAGE_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/page_offset.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/page_offset.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/page_offset.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/page_offset.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,35 @@
+/*
+ * arch/ubicom32/include/asm/page_offset.h
+ *   Definition of PAGE_OFFSET_RAW for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#ifndef _ASM_UBICOM32_PAGE_OFFSET_H
+#define _ASM_UBICOM32_PAGE_OFFSET_H
+
+/* This handles the memory map.. */
+#define	PAGE_OFFSET_RAW		0x3ffc0000
+
+#endif /* _ASM_UBICOM32_PAGE_OFFSET_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/param.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/param.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/param.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/param.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,49 @@
+/*
+ * arch/ubicom32/include/asm/param.h
+ *   Definition of miscellaneous constants, including HZ.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_PARAM_H
+#define _ASM_UBICOM32_PARAM_H
+
+#ifdef __KERNEL__
+#define HZ CONFIG_HZ
+#define	USER_HZ		HZ
+#define	CLOCKS_PER_SEC	(USER_HZ)
+#endif
+
+#ifndef HZ
+#define HZ	100
+#endif
+
+#define EXEC_PAGESIZE	4096
+
+#ifndef NOGROUP
+#define NOGROUP		(-1)
+#endif
+
+#define MAXHOSTNAMELEN	64	/* max length of hostname */
+
+#endif /* _ASM_UBICOM32_PARAM_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/pci.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/pci.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/pci.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/pci.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,210 @@
+/*
+ * arch/ubicom32/include/asm/pci.h
+ *   Definitions of PCI operations for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_PCI_H
+#define _ASM_UBICOM32_PCI_H
+
+#include <asm/io.h>
+
+/* The PCI address space does equal the physical memory
+ * address space.  The networking and block device layers use
+ * this boolean for bounce buffer decisions.
+ */
+#define PCI_DMA_BUS_IS_PHYS	(1)
+
+
+
+/*
+ * Perform a master read/write to the PCI bus.
+ * These functions return a PCI_RESP_xxx code.
+ */
+extern u8 pci_read_u32(u8 pci_cmd, u32 address, u32 *data);
+extern u8 pci_write_u32(u8 pci_cmd, u32 address, u32 data);
+extern u8 pci_read_u16(u8 pci_cmd, u32 address, u16 *data);
+extern u8 pci_write_u16(u8 pci_cmd, u32 address, u16 data);
+extern u8 pci_read_u8(u8 pci_cmd, u32 address, u8 *data);
+extern u8 pci_write_u8(u8 pci_cmd, u32 address, u8 data);
+
+
+#define PCIBIOS_MIN_IO          0x100
+#define PCIBIOS_MIN_MEM         0x10000000
+
+#define pcibios_assign_all_busses()	0
+#define pcibios_scan_all_fns(a, b)	0
+extern void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
+	struct resource *res);
+
+extern void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
+	struct pci_bus_region *region);
+
+struct pci_sys_data;
+struct pci_bus;
+
+struct hw_pci {
+        struct list_head buses;
+        int             nr_controllers;
+        int             (*setup)(int nr, struct pci_sys_data *);
+        struct pci_bus *(*scan)(int nr, struct pci_sys_data *);
+        void            (*preinit)(void);
+        void            (*postinit)(void);
+        u8              (*swizzle)(struct pci_dev *dev, u8 *pin);
+        int             (*map_irq)(struct pci_dev *dev, u8 slot, u8 pin);
+};
+
+/*
+ * Per-controller structure
+ */
+struct pci_sys_data {
+        struct list_head node;
+        int             busnr;          /* primary bus number                   */
+        u64             mem_offset;     /* bus->cpu memory mapping offset       */
+        unsigned long   io_offset;      /* bus->cpu IO mapping offset           */
+        struct pci_bus  *bus;           /* PCI bus                              */
+        struct resource *resource[3];   /* Primary PCI bus resources            */
+                                        /* Bridge swizzling                     */
+        u8              (*swizzle)(struct pci_dev *, u8 *);
+                                        /* IRQ mapping                          */
+        int             (*map_irq)(struct pci_dev *, u8, u8);
+        struct hw_pci   *hw;
+};
+
+static  inline struct resource *
+pcibios_select_root(struct pci_dev *pdev, struct resource *res)
+{
+        struct resource *root = NULL;
+
+        if (res->flags & IORESOURCE_IO)
+                root = &ioport_resource;
+        if (res->flags & IORESOURCE_MEM)
+                root = &iomem_resource;
+
+        return root;
+}
+
+static inline void pcibios_set_master(struct pci_dev *dev)
+{
+        /* No special bus mastering setup handling */
+}
+#define HAVE_ARCH_PCI_SET_DMA_MAX_SEGMENT_SIZE 1
+#define HAVE_ARCH_PCI_SET_DMA_SEGMENT_BOUNDARY 1
+
+#ifdef CONFIG_PCI
+static inline void * pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
+                     dma_addr_t *dma_handle)
+{
+    void *vaddr = kmalloc(size, GFP_KERNEL);
+    if(vaddr != NULL) {
+        *dma_handle = virt_to_phys(vaddr);
+    }
+    return vaddr;
+}
+
+static  inline int pci_dma_supported(struct pci_dev *hwdev, dma_addr_t mask)
+{
+	return 1;
+}
+
+static  inline void pci_free_consistent(struct pci_dev *hwdev, size_t size,
+	void *cpu_addr, dma_addr_t dma_handle)
+{
+	kfree(cpu_addr);
+	return;
+}
+
+static inline dma_addr_t pci_map_single(struct pci_dev *hwdev, void *ptr,
+	size_t size, int direction)
+{
+	 return virt_to_phys(ptr);
+}
+
+static inline void pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr,
+	size_t size, int direction)
+{
+	 return;
+}
+
+static inline dma_addr_t
+pci_map_page(struct pci_dev *hwdev, struct page *page,
+             unsigned long offset, size_t size, int direction)
+{
+	 return pci_map_single(hwdev, page_address(page) + offset, size, (int)direction);
+}
+
+static inline void
+pci_unmap_page(struct pci_dev *hwdev, dma_addr_t dma_address,
+               size_t size, int direction)
+{
+	pci_unmap_single(hwdev, dma_address, size, direction);
+}
+
+static inline int
+pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg,
+           int nents, int direction)
+{
+        return nents;
+}
+
+static inline void
+pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg,
+             int nents, int direction)
+{
+}
+
+static inline void
+pci_dma_sync_sg_for_cpu(struct pci_dev *hwdev, struct scatterlist *sg,
+                int nelems, int direction)
+{
+}
+
+static inline void
+pci_dma_sync_sg_for_device(struct pci_dev *hwdev, struct scatterlist *sg,
+                int nelems, int direction)
+{
+}
+
+static inline void
+pci_dma_sync_single_for_cpu(struct pci_dev *hwdev, dma_addr_t dma_handle,
+                    size_t size, int direction)
+{
+}
+
+static inline void
+pci_dma_sync_single_for_device(struct pci_dev *hwdev, dma_addr_t dma_handle,
+                    size_t size, int direction)
+{
+}
+
+static inline int
+pci_dma_mapping_error(struct pci_dev *hwdev, dma_addr_t dma_addr)
+{
+        return dma_addr == 0;
+}
+extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max);
+extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
+#endif
+
+#endif /* _ASM_UBICOM32_PCI_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/pcm_tio.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/pcm_tio.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/pcm_tio.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/pcm_tio.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,84 @@
+/*
+ * arch/ubicom32/include/asm/pcm_tio.h
+ *   Ubicom32 architecture PCM TIO definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _ASM_UBICOM32_PCM_TIO_H
+#define _ASM_UBICOM32_PCM_TIO_H
+
+#include <asm/devtree.h>
+
+#define PCM_TIO_REGS_VERSION	2
+struct pcm_tio_regs {
+	/*
+	 * set this value to 1 to reload the parameters and restart the HRT
+	 */
+	u32_t		reload;
+
+	/*
+	 * Pointers to the input and output buffers
+	 */
+	void		*input_buf;
+	void		*output_buf;
+
+	/*
+	 * Buffer size (see pcm_hrt.S for constraints)
+	 */
+	u32_t		buffer_size;
+
+	/*
+	 * Current cycle.  This variable increases every time half the buffer
+	 * is consumed.
+	 */
+	u32_t		cycle;
+
+	/*
+	 * Fields below this line are not accessed by the HRT.  They are purely
+	 * informational for the user of this TIO.
+	 */
+
+	/*
+	 * Version of this structure
+	 */
+	u32_t		version;
+
+	/*
+	 * Number of channels supported
+	 */
+	u32_t		channels;
+
+	/*
+	 * Maximum buffer size
+	 */
+	u32_t		max_buffer_size;
+};
+
+/*
+ * Our device node
+ */
+#define PCM_TIO_NODE_VERSION	1
+struct pcm_tio_node {
+	struct devtree_node	dn;
+	u32_t			version;
+	struct pcm_tio_regs	*regs;
+};
+
+#endif
+
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/percpu.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/percpu.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/percpu.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/percpu.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/percpu.h
+ *   Generic percpu.h for the Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_PERCPU_H
+#define _ASM_UBICOM32_PERCPU_H
+
+#include <asm-generic/percpu.h>
+
+#endif /* _ASM_UBICOM32_PERCPU_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/pgalloc.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/pgalloc.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/pgalloc.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/pgalloc.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,36 @@
+/*
+ * arch/ubicom32/include/asm/pgalloc.h
+ *   Page table allocation definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_PGALLOC_H
+#define _ASM_UBICOM32_PGALLOC_H
+
+#include <linux/mm.h>
+#include <asm/setup.h>
+
+#define check_pgt_cache()	do { } while (0)
+
+#endif /* _ASM_UBICOM32_PGALLOC_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/pgtable.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/pgtable.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/pgtable.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/pgtable.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,124 @@
+/*
+ * arch/ubicom32/include/asm/pgtable.h
+ *   Ubicom32 pseudo page table definitions and operations.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ *   and various works, Alpha, ix86, M68K, Sparc, ...et al
+ */
+#ifndef _ASM_UBICOM32_PGTABLE_H
+#define _ASM_UBICOM32_PGTABLE_H
+
+#include <asm-generic/4level-fixup.h>
+
+//vic - this bit copied from m68knommu version
+#include <asm/setup.h>
+#include <asm/io.h>
+#include <linux/sched.h>
+
+typedef pte_t *pte_addr_t;
+
+#define pgd_present(pgd)     	(1)       /* pages are always present on NO_MM */
+#define pgd_none(pgd)		(0)
+#define pgd_bad(pgd)		(0)
+#define pgd_clear(pgdp)
+#define kern_addr_valid(addr) 	(1)
+#define	pmd_offset(a, b)	((void *)0)
+
+#define PAGE_NONE		__pgprot(0)    /* these mean nothing to NO_MM */
+#define PAGE_SHARED		__pgprot(0)    /* these mean nothing to NO_MM */
+#define PAGE_COPY		__pgprot(0)    /* these mean nothing to NO_MM */
+#define PAGE_READONLY		__pgprot(0)    /* these mean nothing to NO_MM */
+#define PAGE_KERNEL		__pgprot(0)    /* these mean nothing to NO_MM */
+//vic - this bit copied from m68knommu version
+
+extern void paging_init(void);
+#define swapper_pg_dir ((pgd_t *) 0)
+
+#define __swp_type(x)		(0)
+#define __swp_offset(x)		(0)
+#define __swp_entry(typ,off)	((swp_entry_t) { ((typ) | ((off) << 7)) })
+#define __pte_to_swp_entry(pte)	((swp_entry_t) { pte_val(pte) })
+#define __swp_entry_to_pte(x)	((pte_t) { (x).val })
+
+/*
+ * pgprot_noncached() is only for infiniband pci support, and a real
+ * implementation for RAM would be more complicated.
+ */
+#define pgprot_noncached(prot)	(prot)
+
+static inline int pte_file(pte_t pte) { return 0; }
+
+/*
+ * ZERO_PAGE is a global shared page that is always zero: used
+ * for zero-mapped memory areas etc..
+ */
+#define ZERO_PAGE(vaddr)	(virt_to_page(0))
+
+extern unsigned int kobjsize(const void *objp);
+extern int is_in_rom(unsigned long);
+
+/*
+ * No page table caches to initialise
+ */
+#define pgtable_cache_init()   do { } while (0)
+
+#define io_remap_pfn_range(vma, vaddr, pfn, size, prot)		\
+		remap_pfn_range(vma, vaddr, pfn, size, prot)
+
+extern inline void flush_cache_mm(struct mm_struct *mm)
+{
+}
+
+extern inline void flush_cache_range(struct mm_struct *mm,
+				     unsigned long start,
+				     unsigned long end)
+{
+}
+
+/* Push the page at kernel virtual address and clear the icache */
+extern inline void flush_page_to_ram (unsigned long address)
+{
+}
+
+/* Push n pages at kernel virtual address and clear the icache */
+extern inline void flush_pages_to_ram (unsigned long address, int n)
+{
+}
+
+/*
+ * All 32bit addresses are effectively valid for vmalloc...
+ * Sort of meaningless for non-VM targets.
+ */
+#define	VMALLOC_START	0
+#define	VMALLOC_END	0xffffffff
+
+#define arch_enter_lazy_mmu_mode()	do {} while (0)
+#define arch_leave_lazy_mmu_mode()	do {} while (0)
+#define arch_flush_lazy_mmu_mode()	do {} while (0)
+#define arch_enter_lazy_cpu_mode()	do {} while (0)
+#define arch_leave_lazy_cpu_mode()	do {} while (0)
+#define arch_flush_lazy_cpu_mode()	do {} while (0)
+
+#endif /* _ASM_UBICOM32_PGTABLE_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/plio.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/plio.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/plio.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/plio.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,313 @@
+/*
+ * plio.h
+ *	PLIO defines.
+ *
+ * Copyright  2009 Ubicom Inc. <www.ubicom.com>.  All Rights Reserved.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General
+ * Public License as published by the Free Software Foundation, either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ * This file contains confidential information of Ubicom, Inc. and your use of
+ * this file is subject to the Ubicom Software License Agreement distributed with
+ * this file. If you are uncertain whether you are an authorized user or to report
+ * any unauthorized use, please contact Ubicom, Inc. at +1-408-789-2200.
+ * Unauthorized reproduction or distribution of this file is subject to civil and
+ * criminal penalties.
+ */
+
+#ifndef __PLIO__H__
+#define __PLIO__H__
+
+#include <asm/ip5000.h>
+#include <asm/thread.h>
+
+#define PLIO_PORT		RD
+#define PLIO_EXT_PORT		RI
+
+#define TRANSMIT_FIFO_WATERMARK 8
+
+/*
+ * PLIO non-blocking register definitions
+ */
+#define PLIO_FN		2
+
+typedef struct {
+	unsigned	: 10;
+	unsigned	rxfifo_thread_enable: 1;   /* allowed rxfifo thread enable */
+	unsigned	: 1;
+	unsigned	rxfifo_thread: 4;          /* allowed rxfifo thread access */
+	unsigned	: 4;
+	unsigned	br_thread: 4;              /* allowed blocking region thread access */
+	unsigned	fn_reset: 4;               /* function reset bit vector */
+	unsigned	rxfifo_sel: 1;             /* select between RXFIFO 0 and 1 */
+	unsigned	fn_sel: 3;                 /* select port function */
+} plio_io_function_t;
+
+typedef struct {
+	unsigned	: 24;
+	unsigned	pin:8;
+} plio_gpio_t;
+
+typedef struct {
+	unsigned 	: 16;
+	unsigned 	txfifo_uf: 1;              /* TXFIFO underflow */
+	unsigned 	txfifo_wm: 1;              /* TXFIFO watermark */
+	unsigned 	rxfifo_of: 1;              /* RXFIFO overflow */
+	unsigned 	rxfifo_wm: 1;              /* RXFIFO watermark */
+	unsigned 	: 5;
+	unsigned 	lreg_int_addr_rd: 1;       /* read from specified LREG address */
+	unsigned 	lreg_int_addr_wr: 1;       /* write to specified LREG address */
+	unsigned 	extctl_int: 4;             /* synchronized external interrupts */
+	unsigned 	pfsm_int: 1;               /* state machine */
+} plio_intstat_t;
+
+typedef struct {
+	unsigned 	txfifo_reset: 1;           /* TXFIFO reset for int_set only */
+	unsigned 	rxfifo_reset: 1;           /* RXFIFO reset for int_set only */
+	unsigned 	: 11;
+	unsigned 	idif_txfifo_flush: 1;      /* flush TXFIFO and idif_txfifo */
+	unsigned 	idif_rxfifo_flush: 1;      /* flush RXFIFO and idif_rxfifo */
+	unsigned 	pfsm_start: 1;             /* input to fsm */
+	unsigned 	txfifo_uf: 1;              /* TXFIFO underflow */
+	unsigned 	txfifo_wm: 1;              /* TXFIFO watermark */
+	unsigned 	rxfifo_of: 1;              /* RXFIFO overflow */
+	unsigned 	rxfifo_wm: 1;              /* RXFIFO watermark */
+	unsigned 	: 5;
+	unsigned 	lreg_int_addr_rd: 1;       /* read from specified LREG address */
+	unsigned 	lreg_int_addr_wr: 1;       /* write to specified LREG address */
+	unsigned 	extctl_int: 4;             /* synchronized external interrupts */
+	unsigned 	pfsm_int: 1;               /* state machine */
+} plio_intset_t;
+
+typedef enum {
+	PLIO_PORT_MODE_D,
+	PLIO_PORT_MODE_DE,
+	PLIO_PORT_MODE_DI,
+	PLIO_PORT_MODE_DEI,
+	PLIO_PORT_MODE_DC,
+} plio_port_mode_t;
+
+typedef enum {
+	PLIO_CLK_CORE,	/* CORE CLK */
+	PLIO_CLK_IO,	/* IO CLK */
+	PLIO_CLK_EXT, 	/* EXT CLK */
+} plio_clk_src_t;
+typedef struct {
+	unsigned 		: 4;
+	unsigned 		edif_iaena_sel: 1;         /* Input Address Enable Select */
+	unsigned 		edif_iaclk_sel: 1;         /* Input Address Clock Select */
+	unsigned 		edif_iald_inv: 1;          /* Input Address Strobe Invert */
+	unsigned 		edif_idclk_sel: 1;         /* Input Data Clock Select */
+	unsigned 		edif_idld_inv: 1;          /* Input Data Strobe Invert */
+	unsigned 		edif_ds: 3;                /* specify IDR and ODR data shift */
+	unsigned 		edif_cmp_mode: 1;          /* configure IDR comparator output */
+	unsigned 		edif_idena_sel: 1;         /* Input Data Enable Select */
+	unsigned 		ecif_extclk_ena: 1;        /* plio_extctl output select */
+	unsigned 		idif_tx_fifo_cmd_sel: 1;   /* select pfsm_cmd data word position */
+	unsigned 		ptif_porti_cfg: 2;         /* select port I pin configuration */
+	unsigned 		ptif_portd_cfg: 3;         /* select port D pin configuration */
+	plio_port_mode_t	ptif_port_mode: 3;      /* select other plio ports  */
+	unsigned		icif_clk_plio_ext_inv: 1;  /* invert external plio clock when set */
+	unsigned		icif_rst_plio: 1;          /* reset plio function and io fifos */
+	plio_clk_src_t		icif_clk_src_sel: 2;      /* select plio clock source */
+	unsigned		pfsm_prog: 1;              /* enable pfsm programming */
+	unsigned 		pfsm_cmd: 3;               /* software input to pfsm */
+} plio_fctl0_t;
+
+typedef struct {
+	unsigned 	: 2;
+	unsigned 	idif_byteswap_tx: 3;       /* swap TXFIFO byte order */
+	unsigned 	idif_byteswap_rx: 3;       /* swap RXFIFO byte order */
+	unsigned 	: 1;
+	unsigned 	lreg_ena: 1;               /* enable local register map */
+	unsigned 	lreg_addr_fifo_cmp_ena: 1; /* enable a specific LREG address from/to TX/RX fifos */
+	unsigned 	lreg_addr_fifo_cmp: 5;     /* LREG address routed from/to TX/RX fifos */
+	unsigned 	: 1;
+	unsigned 	dcod_iald_idld_sel: 2;     /* select address/data strobes */
+	unsigned 	dcod_rw_src_sel: 1;        /* select LREG strobe source */
+	unsigned 	dcod_rd_sel: 5;            /* select read strobe source */
+	unsigned 	dcod_wr_sel: 5;            /* select write strobe source */
+	unsigned 	dcod_rd_lvl: 1;            /* select active level of read strobe */
+	unsigned 	dcod_wr_lvl: 1;            /* select active level of read strobe */
+} plio_fctl1_t;
+
+typedef struct {
+	unsigned 	icif_eclk_div: 16;         /* external plio clock divider */
+	unsigned 	icif_iclk_div: 16;         /* internal plio clock divider */
+} plio_fctl2_t;
+
+typedef struct {
+	unsigned 	: 27;
+	unsigned 	pfsm_state: 5;             /* current pfsm state */
+} plio_stat_0_t;
+
+typedef struct {
+	unsigned 	: 3;
+	unsigned 	lreg_r_int_addr: 5;
+	unsigned 	: 11;
+	unsigned 	lreg_w_int_addr: 5;
+	unsigned 	lreg_w_int_data: 8;
+} plio_stat_1_t;
+
+typedef struct {
+	unsigned 	: 32;
+} plio_stat_2_t;
+
+typedef struct {
+	unsigned 	tx: 16;
+	unsigned 	rx: 16;
+} plio_io_fifo_wm_t, plio_io_fifo_lvl_t;
+
+
+/* plio blocking region register definitions
+ */
+typedef struct {
+	unsigned	 ns1: 5;
+	unsigned	 ic1: 7;
+	unsigned	 ec1: 4;
+	unsigned	 ns0: 5;
+	unsigned	 ic0: 7;
+	unsigned	 ec0: 4;
+} plio_sram_t;
+
+typedef struct {
+	unsigned	 : 2;
+	unsigned	 s9: 3;
+	unsigned	 s8: 3;
+	unsigned	 s7: 3;
+	unsigned	 s6: 3;
+	unsigned	 s5: 3;
+	unsigned	 s4: 3;
+	unsigned	 s3: 3;
+	unsigned	 s2: 3;
+	unsigned	 s1: 3;
+	unsigned	 s0: 3;
+} plio_grpsel_t;
+
+typedef struct {
+	unsigned 	s7: 4;
+	unsigned 	s6: 4;
+	unsigned 	s5: 4;
+	unsigned 	s4: 4;
+	unsigned 	s3: 4;
+	unsigned 	s2: 4;
+	unsigned 	s1: 4;
+	unsigned 	s0: 4;
+} plio_cs_lut_t;
+
+typedef struct {
+	unsigned 	lut3: 8;
+	unsigned 	lut2: 8;
+	unsigned 	lut1: 8;
+	unsigned 	lut0: 8;
+} plio_extctl_t;
+
+typedef struct {
+	plio_grpsel_t	grpsel[4];
+	u16_t		cv[16];
+	plio_cs_lut_t	cs_lut[4];
+	plio_extctl_t	extctl_o_lut[8];
+} plio_pfsm_t;
+
+typedef struct {
+	u32_t		odr_oe_sel;
+	u32_t		odr_oe;
+	u32_t		cmp;
+	u32_t		ncmp;
+	u32_t		cmp_mask;
+} plio_edif_t;
+
+typedef enum {
+	PLIO_ECIF_CLK_OUT	= 9,
+	PLIO_ECIF_IALD		= 9,
+	PLIO_ECIF_CLK_IN	= 8,
+	PLIO_ECIF_IDLD		= 8,
+	PLIO_ECIF_INT		= 2,
+} plio_ecif_output_t;
+
+typedef struct {
+	u32_t 		bypass_sync;
+	u32_t 		ift;
+	u32_t 		output_type;
+	u32_t 		output_ena;
+	u32_t 		output_lvl;
+} plio_ecif_t;
+
+typedef struct {
+	u32_t 		idr_addr_pos_mask;
+	u32_t 		reserved;
+	u32_t 		lreg_bar;
+} plio_dcod_t;
+
+typedef struct {
+	u32_t 		addr_rd_ena;
+	u32_t 		addr_wr_ena;
+	u32_t 		addr_rd_int_ena;
+	u32_t 		addr_wr_int_ena;
+} plio_lcfg_t;
+
+
+/*
+ * PLIO configuration
+ */
+typedef struct {
+	plio_fctl0_t 	fctl0;
+	plio_fctl1_t 	fctl1;
+	plio_fctl2_t 	fctl2;
+} plio_fctl_t;
+
+typedef struct {
+	plio_pfsm_t 	pfsm;
+	plio_edif_t 	edif;
+	plio_ecif_t 	ecif;
+	plio_dcod_t 	dcod;
+	plio_lcfg_t 	lcfg;
+} plio_config_t;
+
+typedef struct {
+	plio_io_function_t	function;
+	plio_gpio_t		gpio_ctl;
+	plio_gpio_t		gpio_out;
+	plio_gpio_t		gpio_in;
+	plio_intstat_t		intstat;
+	plio_intstat_t		intmask;
+	plio_intset_t		intset;
+	plio_intstat_t		intclr;
+	unsigned		tx_lo;
+	unsigned		tx_hi;
+	unsigned		rx_lo;
+	unsigned		rx_hi;
+	plio_fctl0_t		fctl0;
+	plio_fctl1_t		fctl1;
+	plio_fctl2_t		fctl2;
+	plio_stat_0_t		stat0;
+	plio_stat_1_t		stat1;
+	plio_stat_2_t		stat2;
+	plio_io_fifo_wm_t	fifo_wm;
+	plio_io_fifo_lvl_t	fifo_lvl;
+} plio_nbr_t;
+
+typedef struct {
+	u32_t			pfsm_sram[256];
+	plio_config_t		config;
+} plio_br_t;
+
+#define PLIO_NBR	((plio_nbr_t *)(PLIO_PORT))
+#define PLIO_BR		((plio_br_t *)((PLIO_PORT + IO_PORT_BR_OFFSET)))
+#define PEXT_NBR	((plio_nbr_t *)(PLIO_EXT_PORT))
+
+extern void plio_init(const plio_fctl_t *plio_fctl, const plio_config_t *plio_config, const plio_sram_t plio_sram_cfg[], int sram_cfg_size);
+
+#endif // __PLIO__H__
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/poll.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/poll.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/poll.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/poll.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,36 @@
+/*
+ * arch/ubicom32/include/asm/poll.h
+ *   Ubicom32 specific poll() related flags definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_POLL_H
+#define _ASM_UBICOM32_POLL_H
+
+#define POLLWRNORM	POLLOUT
+#define POLLWRBAND	0x0100
+
+#include <asm-generic/poll.h>
+
+#endif /* _ASM_UBICOM32_POLL_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/posix_types.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/posix_types.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/posix_types.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/posix_types.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,93 @@
+/*
+ * arch/ubicom32/include/asm/posix_types.h
+ *   Ubicom32 architecture posix types.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef __ARCH_UBICOM32_POSIX_TYPES_H
+#define __ARCH_UBICOM32_POSIX_TYPES_H
+
+/*
+ * This file is generally used by user-level software, so you need to
+ * be a little careful about namespace pollution etc.  Also, we cannot
+ * assume GCC is being used.
+ */
+
+typedef unsigned long	__kernel_ino_t;
+typedef unsigned short	__kernel_mode_t;
+typedef unsigned short	__kernel_nlink_t;
+typedef long		__kernel_off_t;
+typedef int		__kernel_pid_t;
+typedef unsigned short	__kernel_ipc_pid_t;
+typedef unsigned short	__kernel_uid_t;
+typedef unsigned short	__kernel_gid_t;
+typedef unsigned int	__kernel_size_t;
+typedef int		__kernel_ssize_t;
+typedef int		__kernel_ptrdiff_t;
+typedef long		__kernel_time_t;
+typedef long		__kernel_suseconds_t;
+typedef long		__kernel_clock_t;
+typedef int		__kernel_timer_t;
+typedef int		__kernel_clockid_t;
+typedef int		__kernel_daddr_t;
+typedef char *		__kernel_caddr_t;
+typedef unsigned short	__kernel_uid16_t;
+typedef unsigned short	__kernel_gid16_t;
+typedef unsigned int	__kernel_uid32_t;
+typedef unsigned int	__kernel_gid32_t;
+
+typedef unsigned short	__kernel_old_uid_t;
+typedef unsigned short	__kernel_old_gid_t;
+typedef unsigned short	__kernel_old_dev_t;
+
+#ifdef __GNUC__
+typedef long long	__kernel_loff_t;
+#endif
+
+typedef struct {
+#if defined(__KERNEL__) || defined(__USE_ALL)
+	int	val[2];
+#else /* !defined(__KERNEL__) && !defined(__USE_ALL) */
+	int	__val[2];
+#endif /* !defined(__KERNEL__) && !defined(__USE_ALL) */
+} __kernel_fsid_t;
+
+#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2)
+
+#undef	__FD_SET
+#define	__FD_SET(d, set)	((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
+
+#undef	__FD_CLR
+#define	__FD_CLR(d, set)	((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
+
+#undef	__FD_ISSET
+#define	__FD_ISSET(d, set)	((set)->fds_bits[__FDELT(d)] & __FDMASK(d))
+
+#undef	__FD_ZERO
+#define __FD_ZERO(fdsetp) (memset (fdsetp, 0, sizeof(*(fd_set *)fdsetp)))
+
+#endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */
+
+#endif
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/processor.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/processor.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/processor.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/processor.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,163 @@
+/*
+ * arch/ubicom32/include/asm/processor.h
+ *   Thread related definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 1995 Hamish Macdonald
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#ifndef _ASM_UBICOM32_PROCESSOR_H
+#define _ASM_UBICOM32_PROCESSOR_H
+
+/*
+ * Default implementation of macro that returns current
+ * instruction pointer ("program counter").
+ */
+#define current_text_addr() ({ __label__ _l; _l: &&_l;})
+
+#include <linux/compiler.h>
+#include <linux/threads.h>
+#include <asm/types.h>
+#include <asm/segment.h>
+#include <asm/fpu.h>
+#include <asm/ptrace.h>
+#include <asm/current.h>
+#include <asm/thread_info.h>
+
+#if defined(CONFIG_UBICOM32_V3)
+	#define	CPU "IP5K"
+#endif
+#if defined(CONFIG_UBICOM32_V4)
+	#define	CPU "IP7K"
+#endif
+#ifndef CPU
+	#define	CPU "UNKNOWN"
+#endif
+
+/*
+ * User space process size: 1st byte beyond user address space.
+ */
+extern unsigned long memory_end;
+#define TASK_SIZE	(memory_end)
+
+/*
+ * This decides where the kernel will search for a free chunk of vm
+ * space during mmap's. We won't be using it
+ */
+#define TASK_UNMAPPED_BASE	0
+
+/*
+ * This is the structure where we are going to save callee-saved registers.
+ * A5 is the return address, A7 is the stack pointer, A6 is the frame
+ * pointer.  This is the frame that is created because of switch_to. This
+ * is not the frame due to interrupt preemption or because of syscall entry.
+ */
+
+struct thread_struct {
+	unsigned long  d10;		/* D10  */
+	unsigned long  d11;		/* D11  */
+	unsigned long  d12;		/* D12  */
+	unsigned long  d13;		/* D13  */
+	unsigned long  a1;		/* A1  */
+	unsigned long  a2;		/* A2  */
+	unsigned long  a5;		/* A5 return address. */
+	unsigned long  a6;		/* A6 */
+	unsigned long  sp;		/* A7 kernel stack pointer. */
+};
+
+#define INIT_THREAD  { \
+	0, 0, 0, 0, 0, 0, 0, 0, \
+	sizeof(init_stack) + (unsigned long) init_stack - 8, \
+}
+
+/*
+ * Do necessary setup to start up a newly executed thread.
+ *
+ * pass the data segment into user programs if it exists,
+ * it can't hurt anything as far as I can tell
+ */
+/*
+ * Do necessary setup to start up a newly executed thread.
+ */
+#define start_thread(regs, new_pc, new_sp)	 \
+	do {					 \
+		regs->pc = new_pc & ~3;		 \
+		regs->an[5] = new_pc & ~3;	 \
+		regs->an[7] = new_sp;		 \
+		regs->nesting_level = -1;	 \
+		regs->frame_type = UBICOM32_FRAME_TYPE_NEW_THREAD; \
+		regs->thread_type = NORMAL_THREAD; \
+	} while(0)
+
+/* Forward declaration, a strange C thing */
+struct task_struct;
+
+/* Free all resources held by a thread. */
+static inline void release_thread(struct task_struct *dead_task)
+{
+}
+
+/* Prepare to copy thread state - unlazy all lazy status */
+#define prepare_to_copy(tsk)	do { } while (0)
+
+extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
+
+/*
+ * Free current thread data structures etc..
+ */
+static inline void exit_thread(void)
+{
+}
+
+unsigned long thread_saved_pc(struct task_struct *tsk);
+unsigned long get_wchan(struct task_struct *p);
+
+#define	KSTK_EIP(tsk)	(tsk->thread.a5)
+#define	KSTK_ESP(tsk)	(tsk->thread.sp)
+
+#define cpu_relax()    barrier()
+
+extern void processor_init(void);
+extern unsigned int processor_timers(void);
+extern unsigned int processor_threads(void);
+extern unsigned int processor_frequency(void);
+extern int processor_interrupts(unsigned int *int0, unsigned int *int1);
+extern void processor_ocm(unsigned long *socm, unsigned long *eocm);
+extern void processor_dram(unsigned long *sdram, unsigned long *edram);
+
+#define THREAD_SIZE_LONGS      (THREAD_SIZE/sizeof(unsigned long))
+#define KSTK_TOP(info)                                                 \
+({                                                                     \
+       unsigned long *__ptr = (unsigned long *)(info);                 \
+       (unsigned long)(&__ptr[THREAD_SIZE_LONGS]);                     \
+})
+
+#define task_pt_regs(task)                                             \
+({                                                                     \
+       struct pt_regs *__regs__;                                       \
+       __regs__ = (struct pt_regs *)(KSTK_TOP(task_stack_page(task))-8); \
+       __regs__ - 1;                                                   \
+})
+
+#endif	/* _ASM_UBICOM32_PROCESSOR_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/profilesample.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/profilesample.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/profilesample.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/profilesample.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,44 @@
+/*
+ * arch/ubicom32/mach-common/profile.h
+ *   Private data for the profile module
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+#ifndef _PROFILESAMPLE_H_
+#define _PROFILESAMPLE_H_
+
+/*
+ * a sample taken by the ipProfile package for sending to the profilertool
+ */
+struct profile_sample {
+	unsigned int pc;			/* PC value */
+	unsigned int a5;			/* a5 contents for parent of leaf function */
+	unsigned int parent;			/* return address from stack, to find the caller */
+	unsigned int latency;			/* CPU clocks since the last message dispatch in this thread (thread 0 ony for now) */
+	unsigned short active;			/* which threads are active - for accurate counting */
+	unsigned short d_blocked;		/* which threads are blocked due to D cache misses */
+	unsigned short i_blocked;		/* which threads are blocked due to I cache misses */
+	unsigned char cond_codes;		/* for branch prediction */
+	unsigned char thread;			/* I-blocked, D-blocked, 4-bit thread number */
+};
+
+#endif
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ptrace.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ptrace.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/ptrace.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ptrace.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,177 @@
+/*
+ * arch/ubicom32/include/asm/ptrace.h
+ *   Ubicom32 architecture ptrace support.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_PTRACE_H
+#define _ASM_UBICOM32_PTRACE_H
+
+#ifndef __ASSEMBLY__
+
+/*
+ * We use hard coded constants because this is shared with user
+ * space and the values are NOT allowed to change.  Only fields
+ * that are intended to be exposed get values.
+ */
+#define PT_D0           0
+#define PT_D1           4
+#define PT_D2           8
+#define PT_D3           12
+#define PT_D4           16
+#define PT_D5           20
+#define PT_D6           24
+#define PT_D7           28
+#define PT_D8           32
+#define PT_D9           36
+#define PT_D10          40
+#define PT_D11          44
+#define PT_D12          48
+#define PT_D13          52
+#define PT_D14          56
+#define PT_D15          60
+#define PT_A0           64
+#define PT_A1           68
+#define PT_A2           72
+#define PT_A3           76
+#define PT_A4           80
+#define PT_A5           84
+#define PT_A6           88
+#define PT_A7           92
+#define PT_SP           92
+#define PT_ACC0HI       96
+#define PT_ACC0LO       100
+#define PT_MAC_RC16     104
+#define PT_ACC1HI       108
+#define PT_ACC1LO       112
+#define PT_SOURCE3      116
+#define PT_INST_CNT     120
+#define PT_CSR          124
+#define PT_DUMMY_UNUSED 128
+#define PT_INT_MASK0    132
+#define PT_INT_MASK1    136
+#define PT_TRAP_CAUSE   140
+#define PT_PC           144
+#define PT_ORIGINAL_D0  148
+#define PT_FRAME_TYPE   152
+
+/*
+ * The following 'registers' are not registers at all but are used
+ * locate the relocated sections.
+ */
+#define PT_TEXT_ADDR		200
+#define PT_TEXT_END_ADDR	204
+#define PT_DATA_ADDR		208
+#define PT_EXEC_FDPIC_LOADMAP	212
+#define PT_INTERP_FDPIC_LOADMAP	216
+
+/*
+ * This struct defines the way the registers are stored on the
+ * stack during a system call.
+ */
+enum thread_type {
+	NORMAL_THREAD,
+	KERNEL_THREAD,
+};
+
+#define UBICOM32_FRAME_TYPE_SYSCALL	-1 /* System call frame */
+#define UBICOM32_FRAME_TYPE_INVALID	0 /* Invalid frame, no longer in use */
+#define UBICOM32_FRAME_TYPE_INTERRUPT	1 /* Interrupt frame */
+#define UBICOM32_FRAME_TYPE_TRAP	2 /* Trap frame */
+#define UBICOM32_FRAME_TYPE_SIGTRAMP	3 /* Signal trampoline frame. */
+#define UBICOM32_FRAME_TYPE_NEW_THREAD	4 /* New Thread. */
+
+struct pt_regs {
+	/*
+	 * Data Registers
+	 */
+	unsigned long dn[16];
+
+	/*
+	 * Address Registers
+	 */
+	unsigned long an[8];
+
+	/*
+	 * Per thread misc registers.
+	 */
+	unsigned long acc0[2];
+	unsigned long mac_rc16;
+	unsigned long acc1[2];
+	unsigned long source3;
+	unsigned long inst_cnt;
+	unsigned long csr;
+	unsigned long dummy_unused;
+	unsigned long int_mask0;
+	unsigned long int_mask1;
+	unsigned long trap_cause;
+	unsigned long pc;
+	unsigned long original_dn_0;
+
+	/*
+	 * Frame type. Syscall frames are -1. For other types look above.
+	 */
+	unsigned long frame_type;
+
+	/*
+	 * These fields are not exposed to ptrace.
+	 */
+	unsigned long previous_pc;
+	long nesting_level;		/* When the kernel in in user space this
+					 * will be -1. */
+	unsigned long thread_type;	/* This indicates if this is a kernel
+					 * thread. */
+};
+
+/*
+ * This is the extended stack used by signal handlers and the context
+ * switcher: it's pushed after the normal "struct pt_regs".
+ */
+struct switch_stack {
+	unsigned long  dummy;
+};
+
+#ifdef __KERNEL__
+
+/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
+#define PTRACE_GETREGS		12
+#define PTRACE_SETREGS		13
+
+#ifndef PS_S
+#define PS_S  (0x2000)
+#define PS_M  (0x1000)
+#endif
+
+extern  int __user_mode(unsigned long sp);
+
+#define user_mode(regs) (__user_mode((regs->an[7])))
+#define user_stack(regs) ((regs)->an[7])
+#define instruction_pointer(regs) ((regs)->pc)
+#define profile_pc(regs) instruction_pointer(regs)
+extern void show_regs(struct pt_regs *);
+#endif /* __KERNEL__ */
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _ASM_UBICOM32_PTRACE_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/range-protect-asm.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/range-protect-asm.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/range-protect-asm.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/range-protect-asm.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,91 @@
+/*
+ * arch/ubicom32/include/asm/range-protect-asm.h
+ *   Assembly macros for enabling memory protection.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#ifndef _ASM_UBICOM32_RANGE_PROTECT_ASM_H
+#define _ASM_UBICOM32_RANGE_PROTECT_ASM_H
+
+#if defined(__ASSEMBLY__)
+
+#include <asm/thread-asm.h>
+
+/*
+ * You should only use the enable/disable ranges when you have the atomic lock,
+ * if you do not there will be problems.
+ */
+
+/*
+ * enable_kernel_ranges
+ *	Enable the kernel ranges (disabling protection) for thread,
+ *	where thread == (1 << thread number)
+ */
+.macro	enable_kernel_ranges thread
+#ifdef CONFIG_PROTECT_KERNEL
+	or.4	I_RANGE0_EN, I_RANGE0_EN, \thread	 /* Enable Range Register */
+	or.4	D_RANGE0_EN, D_RANGE0_EN, \thread
+	or.4	D_RANGE1_EN, D_RANGE1_EN, \thread
+#endif
+.endm
+
+/*
+ * enable_kernel_ranges_for_current
+ *	Enable the kernel ranges (disabling protection) for this thread
+ */
+.macro	enable_kernel_ranges_for_current scratch_reg
+#ifdef CONFIG_PROTECT_KERNEL
+	thread_get_self_mask \scratch_reg
+	enable_kernel_ranges \scratch_reg
+#endif
+.endm
+
+/*
+ * disable_kernel_ranges
+ *	Disables the kernel ranges (enabling protection) for thread
+ *	where thread == (1 << thread number)
+ */
+.macro	disable_kernel_ranges thread
+#ifdef CONFIG_PROTECT_KERNEL
+	not.4	\thread, \thread
+	and.4	I_RANGE0_EN, I_RANGE0_EN, \thread	 /* Disable Range Register */
+	and.4	D_RANGE0_EN, D_RANGE0_EN, \thread
+	and.4	D_RANGE1_EN, D_RANGE1_EN, \thread
+#endif
+.endm
+
+/*
+ * disable_kernel_ranges_for_current
+ *	Disable kernel ranges (enabling protection) for this thread
+ */
+.macro	disable_kernel_ranges_for_current scratch_reg
+#ifdef CONFIG_PROTECT_KERNEL
+	thread_get_self_mask \scratch_reg
+	disable_kernel_ranges \scratch_reg
+#endif
+.endm
+#endif
+
+#endif  /* _ASM_UBICOM32_RANGE_PROTECT_ASM_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/range-protect.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/range-protect.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/range-protect.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/range-protect.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,62 @@
+/*
+ * arch/ubicom32/include/asm/range-protect.h
+ *   Assembly macros declared in C for enabling memory protection.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#ifndef _ASM_UBICOM32_RANGE_PROTECT_H
+#define _ASM_UBICOM32_RANGE_PROTECT_H
+
+#if !defined(__ASSEMBLY__)
+#include <asm/thread.h>
+/*
+ * The following macros should be the identical to the ones in
+ * range-protect-asm.h
+ *
+ * You should only use the enable/disable ranges when you have the atomic lock,
+ * if you do not there will be problems.
+ */
+
+/*
+ * enable_kernel_ranges
+ *	Enable the kernel ranges (disabling protection) for thread,
+ *	where thread == (1 << thread number)
+ */
+asm (
+	".macro	enable_kernel_ranges thread			\n\t"
+#ifdef CONFIG_PROTECT_KERNEL
+	"	or.4	I_RANGE0_EN, I_RANGE0_EN, \\thread	\n\t" /* Enable Range Register */
+	"	or.4	D_RANGE0_EN, D_RANGE0_EN, \\thread	\n\t"
+	"	or.4	D_RANGE1_EN, D_RANGE1_EN, \\thread	\n\t"
+#endif
+	".endm							\n\t"
+);
+
+#else /* __ASSEMBLY__ */
+
+#include <asm/range-protect-asm.h>
+
+#endif
+#endif  /* _ASM_UBICOM32_RANGE_PROTECT_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/resource.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/resource.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/resource.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/resource.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/resource.h
+ *   Generic definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_RESOURCE_H
+#define _ASM_UBICOM32_RESOURCE_H
+
+#include <asm-generic/resource.h>
+
+#endif /* _ASM_UBICOM32_RESOURCE_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ring_tio.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ring_tio.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/ring_tio.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ring_tio.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,42 @@
+/*
+ * arch/ubicom32/include/asm/ring_tio.h
+ *   Ubicom32 architecture Ring TIO definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _ASM_UBICOM32_RING_TIO_H
+#define _ASM_UBICOM32_RING_TIO_H
+
+#include <asm/devtree.h>
+
+#define RING_TIO_NODE_VERSION	2
+
+/*
+ * Devtree node for ring
+ */
+struct ring_tio_node {
+	struct devtree_node	dn;
+
+	u32_t			version;
+	void			*regs;
+};
+
+extern void ring_tio_init(const char *node_name);
+
+#endif /* _ASM_UBICOM32_RING_TIO_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/scatterlist.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/scatterlist.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/scatterlist.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/scatterlist.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,49 @@
+/*
+ * arch/ubicom32/include/asm/scatterlist.h
+ *   Definitions of struct scatterlist for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_SCATTERLIST_H
+#define _ASM_UBICOM32_SCATTERLIST_H
+
+#include <linux/mm.h>
+#include <asm/types.h>
+
+struct scatterlist {
+#ifdef CONFIG_DEBUG_SG
+	unsigned long	sg_magic;
+#endif
+	unsigned long	page_link;
+	unsigned int	offset;
+	dma_addr_t	dma_address;
+	unsigned int	length;
+};
+
+#define sg_dma_address(sg)      ((sg)->dma_address)
+#define sg_dma_len(sg)          ((sg)->length)
+
+#define ISA_DMA_THRESHOLD	(0xffffffff)
+
+#endif /* _ASM_UBICOM32_SCATTERLIST_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/sd_tio.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/sd_tio.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/sd_tio.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/sd_tio.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,36 @@
+/*
+ * arch/ubicom32/include/asm/sd_tio.h
+ *   SD TIO definitions
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _ASM_UBICOM32_SD_TIO_H
+#define _ASM_UBICOM32_SD_TIO_H
+
+#include <asm/devtree.h>
+
+/*
+ * Devtree node for SD
+ */
+struct sd_tio_node {
+	struct devtree_node	dn;
+	void			*regs;
+};
+
+#endif /* _ASM_UBICOM32_SD_TIO_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/sections.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/sections.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/sections.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/sections.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/sections.h
+ *   Generic sections.h definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_SECTIONS_H
+#define _ASM_UBICOM32_SECTIONS_H
+
+#include <asm-generic/sections.h>
+
+#endif /* _ASM_UBICOM32_SECTIONS_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/segment.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/segment.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/segment.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/segment.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,78 @@
+/*
+ * arch/ubicom32/include/asm/segment.h
+ *   Memory segment definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_SEGMENT_H
+#define _ASM_UBICOM32_SEGMENT_H
+
+/* define constants */
+/* Address spaces (FC0-FC2) */
+#define USER_DATA     (1)
+#ifndef __USER_DS
+#define __USER_DS     (USER_DATA)
+#endif
+#define USER_PROGRAM  (2)
+#define SUPER_DATA    (5)
+#ifndef __KERNEL_DS
+#define __KERNEL_DS   (SUPER_DATA)
+#endif
+#define SUPER_PROGRAM (6)
+#define CPU_SPACE     (7)
+
+#ifndef __ASSEMBLY__
+
+typedef struct {
+	unsigned long seg;
+} mm_segment_t;
+
+#define MAKE_MM_SEG(s)	((mm_segment_t) { (s) })
+#define USER_DS		MAKE_MM_SEG(__USER_DS)
+#define KERNEL_DS	MAKE_MM_SEG(__KERNEL_DS)
+
+/*
+ * Get/set the SFC/DFC registers for MOVES instructions
+ */
+
+static inline mm_segment_t get_fs(void)
+{
+    return USER_DS;
+}
+
+static inline mm_segment_t get_ds(void)
+{
+    /* return the supervisor data space code */
+    return KERNEL_DS;
+}
+
+static inline void set_fs(mm_segment_t val)
+{
+}
+
+#define segment_eq(a,b)	((a).seg == (b).seg)
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _ASM_UBICOM32_SEGMENT_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/semaphore.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/semaphore.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/semaphore.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/semaphore.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,140 @@
+/*
+ * arch/ubicom32/include/asm/semaphore.h
+ *   Interrupt-safe semaphores for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * (C) Copyright 1996 Linus Torvalds
+ * m68k version by Andreas Schwab
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_SEMAPHORE_H
+#define _ASM_UBICOM32_SEMAPHORE_H
+
+#define RW_LOCK_BIAS		 0x01000000
+
+#ifndef __ASSEMBLY__
+
+#include <linux/linkage.h>
+#include <linux/wait.h>
+#include <linux/spinlock.h>
+#include <linux/rwsem.h>
+
+#include <asm/system.h>
+#include <asm/atomic.h>
+
+struct semaphore {
+	atomic_t count;
+	atomic_t waking;
+	wait_queue_head_t wait;
+};
+
+#define __SEMAPHORE_INITIALIZER(name, n)				\
+{									\
+	.count		= ATOMIC_INIT(n),				\
+	.waking		= ATOMIC_INIT(0),				\
+	.wait		= __WAIT_QUEUE_HEAD_INITIALIZER((name).wait)	\
+}
+
+#define __DECLARE_SEMAPHORE_GENERIC(name,count) \
+	struct semaphore name = __SEMAPHORE_INITIALIZER(name,count)
+
+#define DECLARE_MUTEX(name) __DECLARE_SEMAPHORE_GENERIC(name,1)
+#define DECLARE_MUTEX_LOCKED(name) __DECLARE_SEMAPHORE_GENERIC(name,0)
+
+static inline void sema_init (struct semaphore *sem, int val)
+{
+	*sem = (struct semaphore)__SEMAPHORE_INITIALIZER(*sem, val);
+}
+
+static inline void init_MUTEX (struct semaphore *sem)
+{
+	sema_init(sem, 1);
+}
+
+static inline void init_MUTEX_LOCKED (struct semaphore *sem)
+{
+	sema_init(sem, 0);
+}
+
+asmlinkage void __down_failed(void /* special register calling convention */);
+asmlinkage int  __down_failed_interruptible(void  /* params in registers */);
+asmlinkage int  __down_failed_trylock(void  /* params in registers */);
+asmlinkage void __up_wakeup(void /* special register calling convention */);
+
+asmlinkage void __down(struct semaphore * sem);
+asmlinkage int  __down_interruptible(struct semaphore * sem);
+asmlinkage int  __down_trylock(struct semaphore * sem);
+asmlinkage void __up(struct semaphore * sem);
+
+extern spinlock_t semaphore_wake_lock;
+
+/*
+ * This is ugly, but we want the default case to fall through.
+ * "down_failed" is a special asm handler that calls the C
+ * routine that actually waits.
+ */
+static inline void down(struct semaphore * sem)
+{
+	might_sleep();
+
+	if (atomic_dec_return(&sem->count) < 0)
+		__down(sem);
+}
+
+static inline int down_interruptible(struct semaphore * sem)
+{
+	int ret = 0;
+
+
+	might_sleep();
+
+	if(atomic_dec_return(&sem->count) < 0)
+		ret = __down_interruptible(sem);
+	return ret;
+}
+
+static inline int down_trylock(struct semaphore * sem)
+{
+	int ret = 0;
+
+	if (atomic_dec_return (&sem->count) < 0)
+		ret = __down_trylock(sem);
+	return ret;
+}
+
+/*
+ * Note! This is subtle. We jump to wake people up only if
+ * the semaphore was negative (== somebody was waiting on it).
+ * The default case (no contention) will result in NO
+ * jumps for both down() and up().
+ */
+static inline void up(struct semaphore * sem)
+{
+	if (atomic_inc_return(&sem->count) <= 0)
+		__up(sem);
+}
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _ASM_UBICOM32_SEMAPHORE_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/semaphore-helper.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/semaphore-helper.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/semaphore-helper.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/semaphore-helper.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,109 @@
+/*
+ * arch/ubicom32/include/asm/semaphore-helper.h
+ *   Semaphore related definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_SEMAPHORE_HELPER_H
+#define _ASM_UBICOM32_SEMAPHORE_HELPER_H
+
+/*
+ * SMP- and interrupt-safe semaphores helper functions.
+ *
+ * (C) Copyright 1996 Linus Torvalds
+ *
+ * m68k version by Andreas Schwab
+ */
+
+
+/*
+ * These two _must_ execute atomically wrt each other.
+ */
+static inline void wake_one_more(struct semaphore * sem)
+{
+	atomic_inc(&sem->waking);
+}
+
+static inline int waking_non_zero(struct semaphore *sem)
+{
+	int ret;
+	unsigned long flags;
+
+	spin_lock_irqsave(&semaphore_wake_lock, flags);
+	ret = 0;
+	if (atomic_read(&sem->waking) > 0) {
+		atomic_dec(&sem->waking);
+		ret = 1;
+	}
+	spin_unlock_irqrestore(&semaphore_wake_lock, flags);
+	return ret;
+}
+
+/*
+ * waking_non_zero_interruptible:
+ *	1	got the lock
+ *	0	go to sleep
+ *	-EINTR	interrupted
+ */
+static inline int waking_non_zero_interruptible(struct semaphore *sem,
+						struct task_struct *tsk)
+{
+	int ret;
+	unsigned long flags;
+
+	spin_lock_irqsave(&semaphore_wake_lock, flags);
+	ret = 0;
+	if (atomic_read(&sem->waking) > 0) {
+		atomic_dec(&sem->waking);
+		ret = 1;
+	} else if (signal_pending(tsk)) {
+		atomic_inc(&sem->count);
+		ret = -EINTR;
+	}
+	spin_unlock_irqrestore(&semaphore_wake_lock, flags);
+	return ret;
+}
+
+/*
+ * waking_non_zero_trylock:
+ *	1	failed to lock
+ *	0	got the lock
+ */
+static inline int waking_non_zero_trylock(struct semaphore *sem)
+{
+	int ret;
+	unsigned long flags;
+
+	spin_lock_irqsave(&semaphore_wake_lock, flags);
+	ret = 1;
+	if (atomic_read(&sem->waking) > 0) {
+		atomic_dec(&sem->waking);
+		ret = 0;
+	} else
+		atomic_inc(&sem->count);
+	spin_unlock_irqrestore(&semaphore_wake_lock, flags);
+	return ret;
+}
+
+#endif /* _ASM_UBICOM32_SEMAPHORE_HELPER_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/sembuf.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/sembuf.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/sembuf.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/sembuf.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,52 @@
+/*
+ * arch/ubicom32/include/asm/sembuf.h
+ *   The semid64_ds structure for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_SEMBUF_H
+#define _ASM_UBICOM32_SEMBUF_H
+
+/*
+ * The semid64_ds structure for ubicom32 architecture.
+ * Note extra padding because this structure is passed back and forth
+ * between kernel and user space.
+ *
+ * Pad space is left for:
+ * - 64-bit time_t to solve y2038 problem
+ * - 2 miscellaneous 32-bit values
+ */
+
+struct semid64_ds {
+	struct ipc64_perm sem_perm;		/* permissions .. see ipc.h */
+	__kernel_time_t	sem_otime;		/* last semop time */
+	unsigned long	__unused1;
+	__kernel_time_t	sem_ctime;		/* last change time */
+	unsigned long	__unused2;
+	unsigned long	sem_nsems;		/* no. of semaphores in array */
+	unsigned long	__unused3;
+	unsigned long	__unused4;
+};
+
+#endif /* _ASM_UBICOM32_SEMBUF_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/setup.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/setup.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/setup.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/setup.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,35 @@
+/*
+ * arch/ubicom32/include/asm/setup.h
+ *   Kernel command line length definition.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 2004, Microtronix Datacom Ltd., All rights reserved.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#ifndef _ASM_UBICOM32_SETUP_H
+#define _ASM_UBICOM32_SETUP_H
+
+#define COMMAND_LINE_SIZE 512
+
+#endif /* _ASM_UBICOM32_SETUP_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/shmbuf.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/shmbuf.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/shmbuf.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/shmbuf.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,69 @@
+/*
+ * arch/ubicom32/include/asm/shmbuf.h
+ *   The shmid64_ds structure for the Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_SHMBUF_H
+#define _ASM_UBICOM32_SHMBUF_H
+
+/*
+ * The shmid64_ds structure for m68k architecture.
+ * Note extra padding because this structure is passed back and forth
+ * between kernel and user space.
+ *
+ * Pad space is left for:
+ * - 64-bit time_t to solve y2038 problem
+ * - 2 miscellaneous 32-bit values
+ */
+
+struct shmid64_ds {
+	struct ipc64_perm	shm_perm;	/* operation perms */
+	size_t			shm_segsz;	/* size of segment (bytes) */
+	__kernel_time_t		shm_atime;	/* last attach time */
+	unsigned long		__unused1;
+	__kernel_time_t		shm_dtime;	/* last detach time */
+	unsigned long		__unused2;
+	__kernel_time_t		shm_ctime;	/* last change time */
+	unsigned long		__unused3;
+	__kernel_pid_t		shm_cpid;	/* pid of creator */
+	__kernel_pid_t		shm_lpid;	/* pid of last operator */
+	unsigned long		shm_nattch;	/* no. of current attaches */
+	unsigned long		__unused4;
+	unsigned long		__unused5;
+};
+
+struct shminfo64 {
+	unsigned long	shmmax;
+	unsigned long	shmmin;
+	unsigned long	shmmni;
+	unsigned long	shmseg;
+	unsigned long	shmall;
+	unsigned long	__unused1;
+	unsigned long	__unused2;
+	unsigned long	__unused3;
+	unsigned long	__unused4;
+};
+
+#endif /* _ASM_UBICOM32_SHMBUF_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/shmparam.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/shmparam.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/shmparam.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/shmparam.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,35 @@
+/*
+ * arch/ubicom32/include/asm/shmparam.h
+ *   Shared memory definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ *   Alpha, ix86, M68K, Sparc, ...et al
+ */
+#ifndef _ASM_UBICOM32_SHMPARAM_H
+#define _ASM_UBICOM32_SHMPARAM_H
+
+#define	SHMLBA		PAGE_SIZE	/* attach addr a multiple of this */
+
+#endif /* _ASM_UBICOM32_SHMPARAM_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/sigcontext.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/sigcontext.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/sigcontext.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/sigcontext.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,37 @@
+/*
+ * arch/ubicom32/include/asm/sigcontext.h
+ *   Definition of sigcontext struct for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_SIGCONTEXT_H
+#define _ASM_UBICOM32_SIGCONTEXT_H
+
+#include <asm/ptrace.h>
+
+struct sigcontext {
+	struct pt_regs sc_regs;
+};
+
+#endif /* _ASM_UBICOM32_SIGCONTEXT_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/siginfo.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/siginfo.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/siginfo.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/siginfo.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/siginfo.h
+ *   Generic siginfo.h definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_SIGINFO_H
+#define _ASM_UBICOM32_SIGINFO_H
+
+#include <asm-generic/siginfo.h>
+
+#endif /* _ASM_UBICOM32_SIGINFO_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/signal.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/signal.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/signal.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/signal.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,180 @@
+/*
+ * arch/ubicom32/include/asm/signal.h
+ *   Signal related definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_SIGNAL_H
+#define _ASM_UBICOM32_SIGNAL_H
+
+#include <linux/types.h>
+
+/* Avoid too many header ordering problems.  */
+struct siginfo;
+
+#ifdef __KERNEL__
+/* Most things should be clean enough to redefine this at will, if care
+   is taken to make libc match.  */
+
+#define _NSIG		64
+#define _NSIG_BPW	32
+#define _NSIG_WORDS	(_NSIG / _NSIG_BPW)
+
+typedef unsigned long old_sigset_t;		/* at least 32 bits */
+
+typedef struct {
+	unsigned long sig[_NSIG_WORDS];
+} sigset_t;
+
+#endif /* __KERNEL__ */
+
+#define SIGHUP		 1
+#define SIGINT		 2
+#define SIGQUIT		 3
+#define SIGILL		 4
+#define SIGTRAP		 5
+#define SIGABRT		 6
+#define SIGIOT		 6
+#define SIGBUS		 7
+#define SIGFPE		 8
+#define SIGKILL		 9
+#define SIGUSR1		10
+#define SIGSEGV		11
+#define SIGUSR2		12
+#define SIGPIPE		13
+#define SIGALRM		14
+#define SIGTERM		15
+#define SIGSTKFLT	16
+#define SIGCHLD		17
+#define SIGCONT		18
+#define SIGSTOP		19
+#define SIGTSTP		20
+#define SIGTTIN		21
+#define SIGTTOU		22
+#define SIGURG		23
+#define SIGXCPU		24
+#define SIGXFSZ		25
+#define SIGVTALRM	26
+#define SIGPROF		27
+#define SIGWINCH	28
+#define SIGIO		29
+#define SIGPOLL		SIGIO
+/*
+#define SIGLOST		29
+*/
+#define SIGPWR		30
+#define SIGSYS		31
+#define	SIGUNUSED	31
+
+/* These should not be considered constants from userland.  */
+#define SIGRTMIN	32
+#define SIGRTMAX	_NSIG
+
+/*
+ * SA_FLAGS values:
+ *
+ * SA_ONSTACK indicates that a registered stack_t will be used.
+ * SA_RESTART flag to get restarting signals (which were the default long ago)
+ * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
+ * SA_RESETHAND clears the handler when the signal is delivered.
+ * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
+ * SA_NODEFER prevents the current signal from being masked in the handler.
+ *
+ * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
+ * Unix names RESETHAND and NODEFER respectively.
+ */
+#define SA_NOCLDSTOP	0x00000001
+#define SA_NOCLDWAIT	0x00000002
+#define SA_SIGINFO	0x00000004
+#define SA_ONSTACK	0x08000000
+#define SA_RESTART	0x10000000
+#define SA_NODEFER	0x40000000
+#define SA_RESETHAND	0x80000000
+
+#define SA_NOMASK	SA_NODEFER
+#define SA_ONESHOT	SA_RESETHAND
+
+/*
+ * sigaltstack controls
+ */
+#define SS_ONSTACK	1
+#define SS_DISABLE	2
+
+#define MINSIGSTKSZ	2048
+#define SIGSTKSZ	8192
+
+#include <asm-generic/signal.h>
+
+#ifdef __KERNEL__
+struct old_sigaction {
+	__sighandler_t sa_handler;
+	old_sigset_t sa_mask;
+	unsigned long sa_flags;
+	void (*sa_restorer)(void);
+};
+
+struct sigaction {
+	__sighandler_t sa_handler;
+	unsigned long sa_flags;
+	void (*sa_restorer)(void);
+	sigset_t sa_mask;		/* mask last for extensibility */
+};
+
+struct k_sigaction {
+	struct sigaction sa;
+};
+#else
+/* Here we must cater to libcs that poke about in kernel headers.  */
+
+struct sigaction {
+	union {
+	  __sighandler_t _sa_handler;
+	  void (*_sa_sigaction)(int, struct siginfo *, void *);
+	} _u;
+	sigset_t sa_mask;
+	unsigned long sa_flags;
+	void (*sa_restorer)(void);
+};
+
+#define sa_handler	_u._sa_handler
+#define sa_sigaction	_u._sa_sigaction
+
+#endif /* __KERNEL__ */
+
+typedef struct sigaltstack {
+	void *ss_sp;
+	int ss_flags;
+	size_t ss_size;
+} stack_t;
+
+#ifdef __KERNEL__
+
+#include <asm/sigcontext.h>
+#undef __HAVE_ARCH_SIG_BITOPS
+
+#define ptrace_signal_deliver(regs, cookie) do { } while (0)
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_UBICOM32_SIGNAL_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/smp.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/smp.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/smp.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/smp.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,87 @@
+/*
+ * arch/ubicom32/include/asm/smp.h
+ *   SMP definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_SMP_H
+#define _ASM_UBICOM32_SMP_H
+
+#ifndef CONFIG_SMP
+#error you should not include smp.h if smp is off
+#endif
+
+#ifndef ASSEMBLY
+#include <linux/bitops.h>
+#include <linux/threads.h>
+#include <linux/cpumask.h>
+#include <asm/ip5000.h>
+
+typedef unsigned long address_t;
+extern unsigned int smp_ipi_irq;
+
+/*
+ * This magic constant controls our willingness to transfer
+ * a process across CPUs.
+ *
+ * Such a transfer incurs cache and tlb
+ * misses. The current value is inherited from i386. Still needs
+ * to be tuned for parisc.
+ */
+#define PROC_CHANGE_PENALTY	15		/* Schedule penalty */
+#define NO_PROC_ID		0xFF		/* No processor magic marker */
+#define ANY_PROC_ID		0xFF		/* Any processor magic marker */
+
+#ifdef CONFIG_SMP
+#define raw_smp_processor_id()	(current_thread_info()->cpu)
+#endif /* CONFIG_SMP */
+
+static inline int __cpu_disable (void)
+{
+  return 0;
+}
+
+static inline void __cpu_die (unsigned int cpu)
+{
+	while(1) {
+	};
+}
+
+extern int __cpu_up(unsigned int cpu);
+extern void smp_send_timer_all(void);
+extern void smp_timer_broadcast(const struct cpumask *mask);
+extern void smp_set_affinity(unsigned int irq, const struct cpumask *dest);
+extern void arch_send_call_function_single_ipi(int cpu);
+#define arch_send_call_function_ipi_mask arch_send_call_function_ipi_mask
+extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
+
+/*
+ * TODO: Once these are fully tested, we should turn them into
+ * inline macros for performance.
+ */
+extern unsigned long smp_get_affinity(unsigned int irq, int *all);
+extern void smp_reset_ipi(unsigned long mask);
+
+#endif /* !ASSEMBLY */
+#endif /*  _ASM_UBICOM32_SMP_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/socket.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/socket.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/socket.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/socket.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,87 @@
+/*
+ * arch/ubicom32/include/asm/socket.h
+ *   Socket options definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_SOCKET_H
+#define _ASM_UBICOM32_SOCKET_H
+
+#include <asm/sockios.h>
+
+/* For setsockopt(2) */
+#define SOL_SOCKET	1
+
+#define SO_DEBUG	1
+#define SO_REUSEADDR	2
+#define SO_TYPE		3
+#define SO_ERROR	4
+#define SO_DONTROUTE	5
+#define SO_BROADCAST	6
+#define SO_SNDBUF	7
+#define SO_RCVBUF	8
+#define SO_SNDBUFFORCE	32
+#define SO_RCVBUFFORCE	33
+#define SO_KEEPALIVE	9
+#define SO_OOBINLINE	10
+#define SO_NO_CHECK	11
+#define SO_PRIORITY	12
+#define SO_LINGER	13
+#define SO_BSDCOMPAT	14
+/* To add :#define SO_REUSEPORT 15 */
+#define SO_PASSCRED	16
+#define SO_PEERCRED	17
+#define SO_RCVLOWAT	18
+#define SO_SNDLOWAT	19
+#define SO_RCVTIMEO	20
+#define SO_SNDTIMEO	21
+
+/* Security levels - as per NRL IPv6 - don't actually do anything */
+#define SO_SECURITY_AUTHENTICATION		22
+#define SO_SECURITY_ENCRYPTION_TRANSPORT	23
+#define SO_SECURITY_ENCRYPTION_NETWORK		24
+
+#define SO_BINDTODEVICE	25
+
+/* Socket filtering */
+#define SO_ATTACH_FILTER        26
+#define SO_DETACH_FILTER        27
+
+#define SO_PEERNAME             28
+#define SO_TIMESTAMP		29
+#define SCM_TIMESTAMP		SO_TIMESTAMP
+
+#define SO_ACCEPTCONN		30
+
+#define SO_PEERSEC              31
+#define SO_PASSSEC		34
+#define SO_TIMESTAMPNS		35
+#define SCM_TIMESTAMPNS		SO_TIMESTAMPNS
+
+#define SO_MARK			36
+
+#define SO_TIMESTAMPING		37
+#define SCM_TIMESTAMPING	SO_TIMESTAMPING
+
+#endif /* _ASM_UBICOM32_SOCKET_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/sockios.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/sockios.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/sockios.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/sockios.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,40 @@
+/*
+ * arch/ubicom32/include/asm/sockios.h
+ *   Socket-level ioctl definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_SOCKIOS_H
+#define _ASM_UBICOM32_SOCKIOS_H
+
+/* Socket-level I/O control calls. */
+#define FIOSETOWN	0x8901
+#define SIOCSPGRP	0x8902
+#define FIOGETOWN	0x8903
+#define SIOCGPGRP	0x8904
+#define SIOCATMARK	0x8905
+#define SIOCGSTAMP	0x8906		/* Get stamp (timeval) */
+#define SIOCGSTAMPNS	0x8907		/* Get stamp (timespec) */
+
+#endif /* _ASM_UBICOM32_SOCKIOS_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/spinlock.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/spinlock.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/spinlock.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/spinlock.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,296 @@
+/*
+ * arch/ubicom32/include/asm/spinlock.h
+ *   Spinlock related definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_SPINLOCK_H
+#define _ASM_UBICOM32_SPINLOCK_H
+
+#include <asm/system.h>
+#include <asm/processor.h>
+#include <asm/spinlock_types.h>
+
+/*
+ * __raw_spin_lock()
+ *	Lock the lock.
+ */
+static inline void __raw_spin_lock(raw_spinlock_t *x)
+{
+	asm volatile (
+	"1:	bset	%0, %0, #0	\n\t"
+	"	jmpne.f	1b		\n\t"
+		: "+U4" (x->lock)
+		:
+		: "memory", "cc"
+	);
+}
+
+/*
+ * __raw_spin_unlock()
+ *	Unlock the lock.
+ */
+static inline void __raw_spin_unlock(raw_spinlock_t *x)
+{
+	asm volatile (
+	"	bclr	%0, %0, #0	\n\t"
+		: "+U4" (x->lock)
+		:
+		: "memory", "cc"
+	);
+}
+
+/*
+ * __raw_spin_is_locked()
+ *	Test if the lock is locked.
+ */
+static inline int __raw_spin_is_locked(raw_spinlock_t *x)
+{
+	return x->lock;
+}
+
+/*
+ * __raw_spin_unlock_wait()
+ *	Wait for the lock to be unlocked.
+ *
+ * Note: the caller has not guarantee that the lock will not
+ * be acquired before they get to it.
+ */
+static inline void __raw_spin_unlock_wait(raw_spinlock_t *x)
+{
+	do {
+		cpu_relax();
+	} while (__raw_spin_is_locked(x));
+}
+
+/*
+ * __raw_spin_trylock()
+ *	Try the lock, return 0 on failure, 1 on success.
+ */
+static inline int __raw_spin_trylock(raw_spinlock_t *x)
+{
+	int ret = 0;
+
+	asm volatile (
+	"	bset	%1, %1, #0	\n\t"
+	"	jmpne.f	1f		\n\t"
+	"	move.4	%0, #1		\n\t"
+	"1:				\n\t"
+		: "+r" (ret), "+U4" (x->lock)
+		:
+		: "memory", "cc"
+	);
+
+	return ret;
+}
+
+/*
+ * __raw_spin_lock_flags()
+ *	Spin waiting for the lock (enabling IRQ(s))
+ */
+static inline void __raw_spin_lock_flags(raw_spinlock_t *x, unsigned long flags)
+{
+	mb();
+	while (!__raw_spin_trylock(x)) {
+		/*
+		 * If the flags from the IRQ are set, interrupts are disabled and we
+		 * need to re-enable them.
+		 */
+		if (!flags) {
+			cpu_relax();
+		} else {
+			raw_local_irq_enable();
+			cpu_relax();
+			raw_local_irq_disable();
+		}
+	}
+	mb();
+}
+
+/*
+ * Read-write spinlocks, allowing multiple readers but only one writer.
+ * Linux rwlocks are unfair to writers; they can be starved for an indefinite
+ * time by readers.  With care, they can also be taken in interrupt context.
+ *
+ * In Ubicom32 architecture implementation, we have a spinlock and a counter.
+ * Readers use the lock to serialise their access to the counter (which
+ * records how many readers currently hold the lock).
+ * Writers hold the spinlock, preventing any readers or other writers from
+ * grabbing the rwlock.
+ */
+
+/*
+ * __raw_read_lock()
+ *	Increment the counter in the rwlock.
+ *
+ * Note that we have to ensure interrupts are disabled in case we're
+ * interrupted by some other code that wants to grab the same read lock
+ */
+static inline void __raw_read_lock(raw_rwlock_t *rw)
+{
+	unsigned long flags;
+	raw_local_irq_save(flags);
+	__raw_spin_lock_flags(&rw->lock, flags);
+	rw->counter++;
+	__raw_spin_unlock(&rw->lock);
+	raw_local_irq_restore(flags);
+}
+
+/*
+ * __raw_read_unlock()
+ *	Decrement the counter.
+ *
+ * Note that we have to ensure interrupts are disabled in case we're
+ * interrupted by some other code that wants to grab the same read lock
+ */
+static inline void __raw_read_unlock(raw_rwlock_t *rw)
+{
+	unsigned long flags;
+	raw_local_irq_save(flags);
+	__raw_spin_lock_flags(&rw->lock, flags);
+	rw->counter--;
+	__raw_spin_unlock(&rw->lock);
+	raw_local_irq_restore(flags);
+}
+
+/*
+ * __raw_read_trylock()
+ *	Increment the counter if we can.
+ *
+ * Note that we have to ensure interrupts are disabled in case we're
+ * interrupted by some other code that wants to grab the same read lock
+ */
+static inline int __raw_read_trylock(raw_rwlock_t *rw)
+{
+	unsigned long flags;
+ retry:
+	raw_local_irq_save(flags);
+	if (__raw_spin_trylock(&rw->lock)) {
+		rw->counter++;
+		__raw_spin_unlock(&rw->lock);
+		raw_local_irq_restore(flags);
+		return 1;
+	}
+
+	raw_local_irq_restore(flags);
+
+	/*
+	 * If write-locked, we fail to acquire the lock
+	 */
+	if (rw->counter < 0) {
+		return 0;
+	}
+
+	/*
+	 * Wait until we have a realistic chance at the lock
+	 */
+	while (__raw_spin_is_locked(&rw->lock) && rw->counter >= 0) {
+		cpu_relax();
+	}
+
+	goto retry;
+}
+
+/*
+ * __raw_write_lock()
+ *
+ * Note that we have to ensure interrupts are disabled in case we're
+ * interrupted by some other code that wants to read_trylock() this lock
+ */
+static inline void __raw_write_lock(raw_rwlock_t *rw)
+{
+	unsigned long flags;
+retry:
+	raw_local_irq_save(flags);
+	__raw_spin_lock_flags(&rw->lock, flags);
+
+	if (rw->counter != 0) {
+		__raw_spin_unlock(&rw->lock);
+		raw_local_irq_restore(flags);
+
+		while (rw->counter != 0)
+			cpu_relax();
+
+		goto retry;
+	}
+
+	rw->counter = -1; /* mark as write-locked */
+	mb();
+	raw_local_irq_restore(flags);
+}
+
+static inline void __raw_write_unlock(raw_rwlock_t *rw)
+{
+	rw->counter = 0;
+	__raw_spin_unlock(&rw->lock);
+}
+
+/* Note that we have to ensure interrupts are disabled in case we're
+ * interrupted by some other code that wants to read_trylock() this lock */
+static inline int __raw_write_trylock(raw_rwlock_t *rw)
+{
+	unsigned long flags;
+	int result = 0;
+
+	raw_local_irq_save(flags);
+	if (__raw_spin_trylock(&rw->lock)) {
+		if (rw->counter == 0) {
+			rw->counter = -1;
+			result = 1;
+		} else {
+			/* Read-locked.  Oh well. */
+			__raw_spin_unlock(&rw->lock);
+		}
+	}
+	raw_local_irq_restore(flags);
+
+	return result;
+}
+
+/*
+ * read_can_lock - would read_trylock() succeed?
+ * @lock: the rwlock in question.
+ */
+static inline int __raw_read_can_lock(raw_rwlock_t *rw)
+{
+	return rw->counter >= 0;
+}
+
+/*
+ * write_can_lock - would write_trylock() succeed?
+ * @lock: the rwlock in question.
+ */
+static inline int __raw_write_can_lock(raw_rwlock_t *rw)
+{
+	return !rw->counter;
+}
+
+#define __raw_read_lock_flags(lock, flags) __raw_read_lock(lock)
+#define __raw_write_lock_flags(lock, flags) __raw_write_lock(lock)
+
+#define _raw_spin_relax(lock)	cpu_relax()
+#define _raw_read_relax(lock)	cpu_relax()
+#define _raw_write_relax(lock)	cpu_relax()
+
+#endif /* _ASM_UBICOM32_SPINLOCK_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/spinlock_types.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/spinlock_types.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/spinlock_types.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/spinlock_types.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,43 @@
+/*
+ * arch/ubicom32/include/asm/spinlock_types.h
+ *   Spinlock related structure definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_SPINLOCK_TYPES_H
+#define _ASM_UBICOM32_SPINLOCK_TYPES_H
+
+typedef struct {
+	volatile unsigned int lock;
+} raw_spinlock_t;
+
+typedef struct {
+	raw_spinlock_t lock;
+	volatile int counter;
+} raw_rwlock_t;
+
+#define __RAW_SPIN_LOCK_UNLOCKED	{ 0 }
+#define __RAW_RW_LOCK_UNLOCKED		{ __RAW_SPIN_LOCK_UNLOCKED, 0 }
+
+#endif /* _ASM_UBICOM32_SPINLOCK_TYPES_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/stacktrace.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/stacktrace.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/stacktrace.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/stacktrace.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,72 @@
+/*
+ * arch/ubicom32/include/asm/stacktrace.h
+ *   Stacktrace functions for the Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_STACKTRACE_H
+#define _ASM_UBICOM32_STACKTRACE_H
+
+#define between(a, b, c)	(( \
+			((unsigned long) a) >= ((unsigned long) b)) && \
+			(((unsigned long)a) <= ((unsigned long)c)))
+
+/*
+ * These symbols are filled in by the linker.
+ */
+extern unsigned long _stext;
+extern unsigned long _etext;
+
+/* OCM text goes from __ocm_text_run_begin to __data_begin */
+extern unsigned long __ocm_text_run_begin;
+extern unsigned long __data_begin;
+
+/* Account for OCM case - see stacktrace.c maybe combine(also trap.c) */
+/*
+ * ubicom32_is_kernel()
+ *
+ * 	Check to see if the given address belongs to the kernel.
+ * NOMMU does not permit any other means.
+ */
+static inline int ubicom32_is_kernel(unsigned long addr)
+{
+	int is_kernel = between(addr, &_stext, &_etext) || \
+			between(addr, &__ocm_text_run_begin, &__data_begin);
+
+#ifdef CONFIG_MODULES
+	if (!is_kernel)
+		is_kernel = is_module_address(addr);
+#endif
+	return is_kernel;
+}
+
+extern unsigned long stacktrace_iterate(
+				unsigned long **trace,
+				unsigned long stext, unsigned long etext,
+				unsigned long ocm_stext, unsigned long ocm_etext,
+				unsigned long sstack, unsigned long estack);
+#ifdef CONFIG_STACKTRACE
+void stacktrace_save_entries(struct task_struct *tsk, struct stack_trace *trace, unsigned long sp);
+#endif
+#endif /* _ASM_UBICOM32_STACKTRACE_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/statfs.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/statfs.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/statfs.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/statfs.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/statfs.h
+ *   Generic statfs.h definitions
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_STATFS_H
+#define _ASM_UBICOM32_STATFS_H
+
+#include <asm-generic/statfs.h>
+
+#endif /* _ASM_UBICOM32_STATFS_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/stat.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/stat.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/stat.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/stat.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,104 @@
+/*
+ * arch/ubicom32/include/asm/stat.h
+ *   File status definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_STAT_H
+#define _ASM_UBICOM32_STAT_H
+
+struct __old_kernel_stat {
+	unsigned short st_dev;
+	unsigned short st_ino;
+	unsigned short st_mode;
+	unsigned short st_nlink;
+	unsigned short st_uid;
+	unsigned short st_gid;
+	unsigned short st_rdev;
+	unsigned long  st_size;
+	unsigned long  st_atime;
+	unsigned long  st_mtime;
+	unsigned long  st_ctime;
+};
+
+struct stat {
+	unsigned short st_dev;
+	unsigned short __pad1;
+	unsigned long  st_ino;
+	unsigned short st_mode;
+	unsigned short st_nlink;
+	unsigned short st_uid;
+	unsigned short st_gid;
+	unsigned short st_rdev;
+	unsigned short __pad2;
+	unsigned long  st_size;
+	unsigned long  st_blksize;
+	unsigned long  st_blocks;
+	unsigned long  st_atime;
+	unsigned long  __unused1;
+	unsigned long  st_mtime;
+	unsigned long  __unused2;
+	unsigned long  st_ctime;
+	unsigned long  __unused3;
+	unsigned long  __unused4;
+	unsigned long  __unused5;
+};
+
+/* This matches struct stat64 in glibc2.1, hence the absolutely
+ * insane amounts of padding around dev_t's.
+ */
+struct stat64 {
+	unsigned long long	st_dev;
+	unsigned char	__pad1[2];
+
+#define STAT64_HAS_BROKEN_ST_INO	1
+	unsigned long	__st_ino;
+
+	unsigned int	st_mode;
+	unsigned int	st_nlink;
+
+	unsigned long	st_uid;
+	unsigned long	st_gid;
+
+	unsigned long long	st_rdev;
+	unsigned char	__pad3[2];
+
+	long long	st_size;
+	unsigned long	st_blksize;
+
+	unsigned long long	st_blocks;	/* Number 512-byte blocks allocated. */
+
+	unsigned long	st_atime;
+	unsigned long	st_atime_nsec;
+
+	unsigned long	st_mtime;
+	unsigned long	st_mtime_nsec;
+
+	unsigned long	st_ctime;
+	unsigned long	st_ctime_nsec;
+
+	unsigned long long	st_ino;
+};
+
+#endif /* _ASM_UBICOM32_STAT_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/string.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/string.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/string.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/string.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,40 @@
+/*
+ * arch/ubicom32/include/asm/string.h
+ *   String operation definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_STRING_H
+#define _ASM_UBICOM32_STRING_H
+
+#define __HAVE_ARCH_MEMSET
+extern void *memset(void *b, int c, size_t len);
+
+#define __HAVE_ARCH_MEMCPY
+extern void *memcpy(void *to, const void *from, size_t len);
+
+#define __HAVE_ARCH_MEMMOVE
+extern void * memmove(void *to, const void *from, size_t len);
+
+#endif /* _ASM_UBICOM32_STRING_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/swab.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/swab.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/swab.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/swab.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,45 @@
+/*
+ * arch/ubicom32/include/asm/byteorder.h
+ *   Byte order swapping utility routines.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_BYTEORDER_H
+#define _ASM_UBICOM32_BYTEORDER_H
+
+#include <linux/types.h>
+
+#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
+#  define __BYTEORDER_HAS_U64__
+#  define __SWAB_64_THRU_32__
+#endif
+
+#if defined(IP7000) || defined(IP7000_REV2)
+
+#define __arch__swab16 __builtin_ubicom32_swapb_2
+#define __arch__swab32 __builtin_ubicom32_swapb_4
+
+#endif /* IP7000 */
+
+#endif /* _ASM_UBICOM32_BYTEORDER_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/switch-dev.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/switch-dev.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/switch-dev.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/switch-dev.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,51 @@
+/*
+ * arch/ubicom32/include/asm/switch-dev.h
+ *   generic Ethernet switch platform data definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_SWITCH_DEV_H
+#define _ASM_UBICOM32_SWITCH_DEV_H
+
+#define SWITCH_DEV_FLAG_HW_RESET	0x01
+#define SWITCH_DEV_FLAG_SW_RESET	0x02
+
+struct switch_core_platform_data {
+	/*
+	 * See flags above
+	 */
+	u32_t		flags;
+
+	/*
+	 * GPIO to use for nReset
+	 */
+	int		pin_reset;
+
+	/*
+	 * Name of this switch
+	 */
+	const char	*name;
+};
+
+#endif /* _ASM_UBICOM32_SWITCH_DEV_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/system.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/system.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/system.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/system.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,101 @@
+/*
+ * arch/ubicom32/include/asm/system.h
+ *   Low level switching definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_SYSTEM_H
+#define _ASM_UBICOM32_SYSTEM_H
+
+#include <linux/irqflags.h>
+#include <linux/linkage.h>
+#include <asm/segment.h>
+#include <asm/entry.h>
+#include <asm/ldsr.h>
+#include <asm/irq.h>
+#include <asm/percpu.h>
+#include <asm/ubicom32-common.h>
+#include <asm/processor.h>
+
+/*
+ * switch_to(n) should switch tasks to task ptr, first checking that
+ * ptr isn't the current task, in which case it does nothing.
+ */
+asmlinkage void resume(void);
+extern void *__switch_to(struct task_struct *prev,
+		struct thread_struct *prev_switch,
+		struct thread_struct *next_switch);
+
+/*
+ * We will need a per linux thread sw_ksp for the switch_to macro to
+ * track the kernel stack pointer for the current thread on that linux thread.
+ */
+#define switch_to(prev,next,last)					\
+({									\
+	void *_last;							\
+	_last = (void *)						\
+		__switch_to(prev, &prev->thread, &next->thread);	\
+	(last) = _last;							\
+})
+
+/*
+ * Force strict CPU ordering.
+ * Not really required on ubicom32...
+ */
+#define nop()  asm volatile ("nop"::)
+#define mb()   asm volatile (""   : : :"memory")
+#define rmb()  asm volatile (""   : : :"memory")
+#define wmb()  asm volatile (""   : : :"memory")
+#define set_mb(var, value)	({ (var) = (value); wmb(); })
+
+#ifdef CONFIG_SMP
+#define smp_mb()	mb()
+#define smp_rmb()	rmb()
+#define smp_wmb()	wmb()
+#define smp_read_barrier_depends()	read_barrier_depends()
+#else
+#define smp_mb()	mb()
+#define smp_rmb()	rmb()
+#define smp_wmb()	wmb()
+#define smp_read_barrier_depends()	do { } while(0)
+#endif
+
+#define read_barrier_depends()  ((void)0)
+
+/*
+ * The following defines change how the scheduler calls the switch_to()
+ * macro.
+ *
+ * 1) The first causes the runqueue to be unlocked on entry to
+ * switch_to().  Since our ctx code does not play with the runqueue
+ * we do not need it unlocked.
+ *
+ * 2) The later turns interrupts on during a ctxsw to reduce the latency of
+ * interrupts during ctx.  At this point in the port, we believe that this
+ * latency is not a problem since we have very little code to perform a ctxsw.
+ */
+// #define __ARCH_WANT_UNLOCKED_CTXSW
+// #define __ARCH_WANT_INTERRUPTS_ON_CTXSW
+
+#endif /* _ASM_UBICOM32_SYSTEM_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/termbits.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/termbits.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/termbits.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/termbits.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,227 @@
+/*
+ * arch/ubicom32/include/asm/termbits.h
+ *   Terminal/serial port definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_TERMBITS_H
+#define _ASM_UBICOM32_TERMBITS_H
+
+#include <linux/posix_types.h>
+
+typedef unsigned char	cc_t;
+typedef unsigned int	speed_t;
+typedef unsigned int	tcflag_t;
+
+#define NCCS 19
+struct termios {
+	tcflag_t c_iflag;		/* input mode flags */
+	tcflag_t c_oflag;		/* output mode flags */
+	tcflag_t c_cflag;		/* control mode flags */
+	tcflag_t c_lflag;		/* local mode flags */
+	cc_t c_line;			/* line discipline */
+	cc_t c_cc[NCCS];		/* control characters */
+};
+
+struct termios2 {
+	tcflag_t c_iflag;		/* input mode flags */
+	tcflag_t c_oflag;		/* output mode flags */
+	tcflag_t c_cflag;		/* control mode flags */
+	tcflag_t c_lflag;		/* local mode flags */
+	cc_t c_line;			/* line discipline */
+	cc_t c_cc[NCCS];		/* control characters */
+	speed_t c_ispeed;		/* input speed */
+	speed_t c_ospeed;		/* output speed */
+};
+
+struct ktermios {
+	tcflag_t c_iflag;		/* input mode flags */
+	tcflag_t c_oflag;		/* output mode flags */
+	tcflag_t c_cflag;		/* control mode flags */
+	tcflag_t c_lflag;		/* local mode flags */
+	cc_t c_line;			/* line discipline */
+	cc_t c_cc[NCCS];		/* control characters */
+	speed_t c_ispeed;		/* input speed */
+	speed_t c_ospeed;		/* output speed */
+};
+
+/* c_cc characters */
+#define VINTR 0
+#define VQUIT 1
+#define VERASE 2
+#define VKILL 3
+#define VEOF 4
+#define VTIME 5
+#define VMIN 6
+#define VSWTC 7
+#define VSTART 8
+#define VSTOP 9
+#define VSUSP 10
+#define VEOL 11
+#define VREPRINT 12
+#define VDISCARD 13
+#define VWERASE 14
+#define VLNEXT 15
+#define VEOL2 16
+
+
+/* c_iflag bits */
+#define IGNBRK	0000001
+#define BRKINT	0000002
+#define IGNPAR	0000004
+#define PARMRK	0000010
+#define INPCK	0000020
+#define ISTRIP	0000040
+#define INLCR	0000100
+#define IGNCR	0000200
+#define ICRNL	0000400
+#define IUCLC	0001000
+#define IXON	0002000
+#define IXANY	0004000
+#define IXOFF	0010000
+#define IMAXBEL	0020000
+#define IUTF8	0040000
+
+/* c_oflag bits */
+#define OPOST	0000001
+#define OLCUC	0000002
+#define ONLCR	0000004
+#define OCRNL	0000010
+#define ONOCR	0000020
+#define ONLRET	0000040
+#define OFILL	0000100
+#define OFDEL	0000200
+#define NLDLY	0000400
+#define   NL0	0000000
+#define   NL1	0000400
+#define CRDLY	0003000
+#define   CR0	0000000
+#define   CR1	0001000
+#define   CR2	0002000
+#define   CR3	0003000
+#define TABDLY	0014000
+#define   TAB0	0000000
+#define   TAB1	0004000
+#define   TAB2	0010000
+#define   TAB3	0014000
+#define   XTABS	0014000
+#define BSDLY	0020000
+#define   BS0	0000000
+#define   BS1	0020000
+#define VTDLY	0040000
+#define   VT0	0000000
+#define   VT1	0040000
+#define FFDLY	0100000
+#define   FF0	0000000
+#define   FF1	0100000
+
+/* c_cflag bit meaning */
+#define CBAUD	0010017
+#define  B0	0000000		/* hang up */
+#define  B50	0000001
+#define  B75	0000002
+#define  B110	0000003
+#define  B134	0000004
+#define  B150	0000005
+#define  B200	0000006
+#define  B300	0000007
+#define  B600	0000010
+#define  B1200	0000011
+#define  B1800	0000012
+#define  B2400	0000013
+#define  B4800	0000014
+#define  B9600	0000015
+#define  B19200	0000016
+#define  B38400	0000017
+#define EXTA B19200
+#define EXTB B38400
+#define CSIZE	0000060
+#define   CS5	0000000
+#define   CS6	0000020
+#define   CS7	0000040
+#define   CS8	0000060
+#define CSTOPB	0000100
+#define CREAD	0000200
+#define PARENB	0000400
+#define PARODD	0001000
+#define HUPCL	0002000
+#define CLOCAL	0004000
+#define CBAUDEX 0010000
+#define    BOTHER 0010000
+#define    B57600 0010001
+#define   B115200 0010002
+#define   B230400 0010003
+#define   B460800 0010004
+#define   B500000 0010005
+#define   B576000 0010006
+#define   B921600 0010007
+#define  B1000000 0010010
+#define  B1152000 0010011
+#define  B1500000 0010012
+#define  B2000000 0010013
+#define  B2500000 0010014
+#define  B3000000 0010015
+#define  B3500000 0010016
+#define  B4000000 0010017
+#define CIBAUD	  002003600000		/* input baud rate */
+#define CMSPAR	  010000000000		/* mark or space (stick) parity */
+#define CRTSCTS	  020000000000		/* flow control */
+
+#define IBSHIFT	16			/* Shift from CBAUD to CIBAUD */
+
+/* c_lflag bits */
+#define ISIG	0000001
+#define ICANON	0000002
+#define XCASE	0000004
+#define ECHO	0000010
+#define ECHOE	0000020
+#define ECHOK	0000040
+#define ECHONL	0000100
+#define NOFLSH	0000200
+#define TOSTOP	0000400
+#define ECHOCTL	0001000
+#define ECHOPRT	0002000
+#define ECHOKE	0004000
+#define FLUSHO	0010000
+#define PENDIN	0040000
+#define IEXTEN	0100000
+
+
+/* tcflow() and TCXONC use these */
+#define	TCOOFF		0
+#define	TCOON		1
+#define	TCIOFF		2
+#define	TCION		3
+
+/* tcflush() and TCFLSH use these */
+#define	TCIFLUSH	0
+#define	TCOFLUSH	1
+#define	TCIOFLUSH	2
+
+/* tcsetattr uses these */
+#define	TCSANOW		0
+#define	TCSADRAIN	1
+#define	TCSAFLUSH	2
+
+#endif /* _ASM_UBICOM32_TERMBITS_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/termios.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/termios.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/termios.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/termios.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,119 @@
+/*
+ * arch/ubicom32/include/asm/termios.h
+ *   Ubicom32 termio definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_TERMIOS_H
+#define _ASM_UBICOM32_TERMIOS_H
+
+#include <asm/termbits.h>
+#include <asm/ioctls.h>
+
+struct winsize {
+	unsigned short ws_row;
+	unsigned short ws_col;
+	unsigned short ws_xpixel;
+	unsigned short ws_ypixel;
+};
+
+#define NCC 8
+struct termio {
+	unsigned short c_iflag;		/* input mode flags */
+	unsigned short c_oflag;		/* output mode flags */
+	unsigned short c_cflag;		/* control mode flags */
+	unsigned short c_lflag;		/* local mode flags */
+	unsigned char c_line;		/* line discipline */
+	unsigned char c_cc[NCC];	/* control characters */
+};
+
+#ifdef __KERNEL__
+/*	intr=^C		quit=^|		erase=del	kill=^U
+	eof=^D		vtime=\0	vmin=\1		sxtc=\0
+	start=^Q	stop=^S		susp=^Z		eol=\0
+	reprint=^R	discard=^U	werase=^W	lnext=^V
+	eol2=\0
+*/
+#define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0"
+#endif
+
+/* modem lines */
+#define TIOCM_LE	0x001
+#define TIOCM_DTR	0x002
+#define TIOCM_RTS	0x004
+#define TIOCM_ST	0x008
+#define TIOCM_SR	0x010
+#define TIOCM_CTS	0x020
+#define TIOCM_CAR	0x040
+#define TIOCM_RNG	0x080
+#define TIOCM_DSR	0x100
+#define TIOCM_CD	TIOCM_CAR
+#define TIOCM_RI	TIOCM_RNG
+#define TIOCM_OUT1	0x2000
+#define TIOCM_OUT2	0x4000
+#define TIOCM_LOOP	0x8000
+
+/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
+
+#ifdef __KERNEL__
+
+/*
+ * Translate a "termio" structure into a "termios". Ugh.
+ */
+#define user_termio_to_kernel_termios(termios, termio) \
+({ \
+	unsigned short tmp; \
+	get_user(tmp, &(termio)->c_iflag); \
+	(termios)->c_iflag = (0xffff0000 & ((termios)->c_iflag)) | tmp; \
+	get_user(tmp, &(termio)->c_oflag); \
+	(termios)->c_oflag = (0xffff0000 & ((termios)->c_oflag)) | tmp; \
+	get_user(tmp, &(termio)->c_cflag); \
+	(termios)->c_cflag = (0xffff0000 & ((termios)->c_cflag)) | tmp; \
+	get_user(tmp, &(termio)->c_lflag); \
+	(termios)->c_lflag = (0xffff0000 & ((termios)->c_lflag)) | tmp; \
+	get_user((termios)->c_line, &(termio)->c_line); \
+	copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
+})
+
+/*
+ * Translate a "termios" structure into a "termio". Ugh.
+ */
+#define kernel_termios_to_user_termio(termio, termios) \
+({ \
+	put_user((termios)->c_iflag, &(termio)->c_iflag); \
+	put_user((termios)->c_oflag, &(termio)->c_oflag); \
+	put_user((termios)->c_cflag, &(termio)->c_cflag); \
+	put_user((termios)->c_lflag, &(termio)->c_lflag); \
+	put_user((termios)->c_line,  &(termio)->c_line); \
+	copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
+})
+
+#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios2))
+#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios2))
+#define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios))
+#define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios))
+
+#endif	/* __KERNEL__ */
+
+#endif /* _ASM_UBICOM32_TERMIOS_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/thread-asm.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/thread-asm.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/thread-asm.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/thread-asm.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,51 @@
+/*
+ * arch/ubicom32/include/asm/thread-asm.h
+ *   Ubicom32 architecture specific thread definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_THREAD_ASM_H
+#define _ASM_UBICOM32_THREAD_ASM_H
+
+/*
+ * thread_get_self
+ *	Read and shift the current thread into reg
+ *
+ * Note that we don't need to mask the result as bits 6 through 31 of the
+ * ROSR are zeroes.
+ */
+.macro	thread_get_self reg
+	lsr.4	\reg, ROSR, #2
+.endm
+
+/*
+ * thread_get_self_mask
+ *	Read and shift the current thread mask into reg
+ */
+.macro	thread_get_self_mask reg
+	lsr.4	\reg, ROSR, #2
+	lsl.4	\reg, #1, \reg	 /* Thread bit */
+.endm
+
+#endif /* _ASM_UBICOM32_THREAD_ASM_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/thread.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/thread.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/thread.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/thread.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,320 @@
+/*
+ * arch/ubicom32/include/asm/thread.h
+ *   Ubicom32 architecture specific thread definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_THREAD_H
+#define _ASM_UBICOM32_THREAD_H
+
+#if !defined(__ASSEMBLY__)
+
+#include <asm/ptrace.h>
+#include <asm/ubicom32-common.h>
+
+typedef int thread_t;
+typedef unsigned char thread_type_t;
+typedef void (*thread_exec_fn_t)(void *arg);
+
+#define THREAD_NULL 0x40
+#define THREAD_TYPE_HRT (1 << 0)
+#define THREAD_TYPE_SPECIAL 0
+#define THREAD_TYPE_NORMAL 0
+#define THREAD_TYPE_BACKGROUND (1 << 1)
+
+/*
+ * This is the upper bound on the maximum hardware threads that one will find
+ * on a Ubicom processor. It is used to size per hardware thread data structures.
+ */
+#define THREAD_ARCHITECTURAL_MAX 16
+
+/*
+ * TODO: Rename this at some point to be thread_
+ */
+extern unsigned int sw_ksp[THREAD_ARCHITECTURAL_MAX];
+
+
+/*
+ * thread_get_self()
+ */
+static inline thread_t thread_get_self(void)
+{
+	thread_t result;
+
+	/*
+	 * Note that ROSR has zeroes in bits 6 through 31 and so we don't need
+	 * to do any additional bit masking here.
+	 */
+	asm (
+		"lsr.4	%0, ROSR, #2	\n\t"
+		: "=d" (result)
+		:
+		: "cc"
+	);
+
+	return result;
+}
+
+/*
+ * thread_suspend()
+ */
+static inline void thread_suspend(void)
+{
+	asm volatile (
+		"suspend\n\t"
+		:
+		:
+	);
+}
+
+/*
+ * thread_resume()
+ */
+static inline void thread_resume(thread_t thread)
+{
+	asm volatile (
+		"move.4		MT_ACTIVE_SET, %0	\n\t"
+		"pipe_flush	0			\n\t"
+		"pipe_flush	0			\n\t"
+		:
+		: "d" (1 << thread)
+	);
+}
+
+
+
+/*
+ * thread_enable_mask()
+ *	Enable all threads in the mask.
+ *
+ * All writes to MT_EN must be protected by the MT_EN_LOCK bit
+ */
+static inline void thread_enable_mask(unsigned int mask)
+{
+	/*
+	 * must flush the pipeline twice.
+	 * first pipe_flush is to ensure write to MT_EN is completed
+	 * second one is to ensure any new instructions from
+	 * the targeted thread (the one being disabled), that
+	 * are issued while the write to MT_EN is being executed,
+	 * are completed.
+	 */
+	UBICOM32_LOCK(MT_EN_LOCK_BIT);
+	asm volatile (
+		"or.4		MT_EN, MT_EN, %0	\n\t"
+		"pipe_flush	0			\n\t"
+		"pipe_flush	0			\n\t"
+		:
+		: "d" (mask)
+		: "cc"
+	);
+	UBICOM32_UNLOCK(MT_EN_LOCK_BIT);
+}
+
+/*
+ * thread_enable()
+ */
+static inline void thread_enable(thread_t thread)
+{
+	thread_enable_mask(1 << thread);
+}
+
+/*
+ * thread_disable_mask()
+ *	Disable all threads in the mask.
+ *
+ * All writes to MT_EN must be protected by the MT_EN_LOCK bit
+ */
+static inline void thread_disable_mask(unsigned int mask)
+{
+	/*
+	 * must flush the pipeline twice.
+	 * first pipe_flush is to ensure write to MT_EN is completed
+	 * second one is to ensure any new instructions from
+	 * the targeted thread (the one being disabled), that
+	 * are issued while the write to MT_EN is being executed,
+	 * are completed.
+	 */
+	UBICOM32_LOCK(MT_EN_LOCK_BIT);
+	asm volatile (
+		"and.4		MT_EN, MT_EN, %0	\n\t"
+		"pipe_flush	0			\n\t"
+		"pipe_flush	0			\n\t"
+		:
+		: "d" (~mask)
+		: "cc"
+	);
+	UBICOM32_UNLOCK(MT_EN_LOCK_BIT);
+}
+
+/*
+ * thread_disable()
+ */
+static inline void thread_disable(thread_t thread)
+{
+	thread_disable_mask(1 << thread);
+}
+
+/*
+ * thread_disable_others()
+ *	Disable all other threads
+ */
+static inline void thread_disable_others(void)
+{
+	thread_t self = thread_get_self();
+	thread_disable_mask(~(1 << self));
+}
+
+/*
+ * thread_is_trapped()
+ *	Is the specified tid trapped?
+ */
+static inline int thread_is_trapped(thread_t tid)
+{
+	int thread_mask = (1 << tid);
+	int trap_thread;
+
+	asm (
+		"move.4		%0, MT_TRAP		\n\t"
+		: "=d" (trap_thread)
+		:
+	);
+	return (trap_thread & thread_mask);
+}
+
+/*
+ * thread_is_enabled()
+ *	Is the specified tid enabled?
+ */
+static inline int thread_is_enabled(thread_t tid)
+{
+	int thread_mask = (1 << tid);
+	int enabled_threads;
+
+	asm (
+		"move.4		%0, MT_EN		\n\t"
+		: "=d" (enabled_threads)
+		:
+	);
+	return (enabled_threads & thread_mask);
+}
+
+/*
+ * thread_get_instruction_count()
+ */
+static inline unsigned int thread_get_instruction_count(void)
+{
+	unsigned int result;
+	asm (
+		"move.4		%0, INST_CNT		\n\t"
+		: "=r" (result)
+	);
+	return result;
+}
+
+/*
+ * thread_get_pc()
+ *	pc could point to a speculative and cancelled instruction unless thread is disabled
+ */
+static inline void *thread_get_pc(thread_t thread)
+{
+	void *result;
+	asm (
+		"move.4		csr, %1		\n\t"
+		"setcsr_flush	0		\n\t"
+		"move.4		%0, pc		\n\t"
+		"move.4		csr, #0		\n\t"
+		"setcsr_flush	0		\n\t"
+		: "=r" (result)
+		: "r" ((thread << 9) | (1 << 8))
+	);
+	return result;
+}
+
+/*
+ * thread_get_trap_cause()
+ *	This should be called only when the thread is not running
+ */
+static inline unsigned int thread_get_trap_cause(thread_t thread)
+{
+	unsigned int result;
+	asm (
+		"move.4		csr, %1		\n\t"
+		"setcsr_flush	0		\n\t"
+		"move.4		%0, trap_cause	\n\t"
+		"move.4		csr, #0		\n\t"
+		"setcsr_flush	0		\n\t"
+		: "=r" (result)
+		: "r" ((thread << 9) | (1 << 8))
+	);
+	return result;
+}
+
+/*
+ * THREAD_STALL macro.
+ */
+#define THREAD_STALL \
+		asm volatile ( \
+			"move.4	mt_dbg_active_clr, #-1	\n\t" \
+			"pipe_flush 0			\n\t" \
+			: \
+			: \
+		)
+
+extern unsigned int thread_get_mainline(void);
+extern void thread_set_mainline(thread_t tid);
+extern thread_t thread_alloc(void);
+extern thread_t thread_start(thread_t thread, thread_exec_fn_t exec, void *arg, unsigned int *sp_high, thread_type_t type);
+
+/*
+ * asm macros
+ */
+asm (
+/*
+ * thread_get_self
+ *	Read and shift the current thread into reg
+ *
+ * Note that we don't need to mask the result as bits 6 through 31 of the
+ * ROSR are zeroes.
+ */
+".macro	thread_get_self reg		\n\t"
+"	lsr.4	\\reg, ROSR, #2		\n\t"
+".endm					\n\t"
+
+/*
+ * thread_get_self_mask
+ *	Read and shift the current thread mask into reg
+ */
+".macro	thread_get_self_mask reg	\n\t"
+"	lsr.4	\\reg, ROSR, #2		\n\t"
+"	lsl.4	\\reg, #1, \\reg	\n\t"	 /* Thread bit */
+".endm					\n\t"
+);
+
+#else /* __ASSEMBLY__ */
+
+#include <asm/thread-asm.h>
+
+#endif /* __ASSEMBLY__ */
+#endif /* _ASM_UBICOM32_THREAD_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/thread_info.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/thread_info.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/thread_info.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/thread_info.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,134 @@
+/*
+ * arch/ubicom32/include/asm/thread_info.h
+ *   Ubicom32 architecture low-level thread information.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Adapted from the i386 and PPC versions by Greg Ungerer (gerg@snapgear.com)
+ * Copyright (C) 2002  David Howells (dhowells@redhat.com)
+ * - Incorporating suggestions made by Linus Torvalds and Dave Miller
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#ifndef _ASM_UBICOM32_THREAD_INFO_H
+#define _ASM_UBICOM32_THREAD_INFO_H
+
+#include <asm/page.h>
+
+/*
+ * Size of kernel stack for each process. This must be a power of 2...
+ */
+#ifdef CONFIG_4KSTACKS
+#define THREAD_SIZE_ORDER (0)
+#else
+#define THREAD_SIZE_ORDER (1)
+#endif
+
+/*
+ * for asm files, THREAD_SIZE is now generated by asm-offsets.c
+ */
+#define THREAD_SIZE (PAGE_SIZE<<THREAD_SIZE_ORDER)
+
+#ifdef __KERNEL__
+
+#ifndef __ASSEMBLY__
+
+/*
+ * low level task data.
+ */
+struct thread_info {
+	struct task_struct *task;		/* main task structure */
+	struct exec_domain *exec_domain;	/* execution domain */
+	unsigned long	   flags;		/* low level flags */
+	int		   cpu;			/* cpu we're on */
+	int		   preempt_count;	/* 0 => preemptable, <0 => BUG */
+	int		   interrupt_nesting; 	/* Interrupt nesting level. */
+	struct restart_block restart_block;
+};
+
+/*
+ * macros/functions for gaining access to the thread information structure
+ */
+#define INIT_THREAD_INFO(tsk)			\
+{						\
+	.task		= &tsk,			\
+	.exec_domain	= &default_exec_domain,	\
+	.flags		= 0,			\
+	.cpu		= 0,			\
+	.interrupt_nesting	= 0,		\
+	.restart_block	= {			\
+		.fn = do_no_restart_syscall,	\
+	},					\
+}
+
+#define init_thread_info	(init_thread_union.thread_info)
+#define init_stack		(init_thread_union.stack)
+
+
+/* how to get the thread information struct from C */
+static inline struct thread_info *current_thread_info(void)
+{
+	struct thread_info *ti;
+
+	asm (
+		"and.4	%0, sp, %1\n\t"
+		: "=&r" (ti)
+		: "d" (~(THREAD_SIZE-1))
+		: "cc"
+	);
+
+	return ti;
+}
+
+#define STACK_WARN (THREAD_SIZE / 8)
+
+#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR 1
+
+/* thread information allocation */
+#define alloc_thread_info(tsk) ((struct thread_info *) \
+				__get_free_pages(GFP_KERNEL, THREAD_SIZE_ORDER))
+#define free_thread_info(ti)	free_pages((unsigned long) (ti), THREAD_SIZE_ORDER)
+#endif /* __ASSEMBLY__ */
+
+#define	PREEMPT_ACTIVE	0x4000000
+
+/*
+ * thread information flag bit numbers
+ */
+#define TIF_SYSCALL_TRACE	0	/* syscall trace active */
+#define TIF_SIGPENDING		1	/* signal pending */
+#define TIF_NEED_RESCHED	2	/* rescheduling necessary */
+#define TIF_POLLING_NRFLAG	3	/* true if poll_idle() is polling
+					   TIF_NEED_RESCHED */
+#define TIF_MEMDIE		4
+
+/* as above, but as bit values */
+#define _TIF_SYSCALL_TRACE	(1<<TIF_SYSCALL_TRACE)
+#define _TIF_SIGPENDING		(1<<TIF_SIGPENDING)
+#define _TIF_NEED_RESCHED	(1<<TIF_NEED_RESCHED)
+#define _TIF_POLLING_NRFLAG	(1<<TIF_POLLING_NRFLAG)
+
+#define _TIF_WORK_MASK		0x0000FFFE	/* work to do on interrupt/exception return */
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_UBICOM32_THREAD_INFO_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/timex.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/timex.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/timex.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/timex.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,56 @@
+/*
+ * arch/ubicom32/include/asm/timex.h
+ *   Ubicom32 architecture timex specifications.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_TIMEX_H
+#define _ASM_UBICOM32_TIMEX_H
+
+#define CLOCK_TICK_RATE	266000000
+
+// #define ARCH_HAS_READ_CURRENT_TIMER
+
+typedef unsigned long cycles_t;
+
+static inline cycles_t get_cycles(void)
+{
+	return 0;
+}
+
+extern int timer_alloc(void);
+extern void timer_set(int timervector, unsigned int cycles);
+extern int timer_reset(int timervector, unsigned int cycles);
+extern void timer_tick_init(void);
+extern void timer_device_init(void);
+
+#if defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST)
+extern void local_timer_interrupt(void);
+#endif
+
+#if defined(CONFIG_LOCAL_TIMERS) || defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST)
+extern int local_timer_setup(unsigned int cpu);
+#endif
+
+#endif /* _ASM_UBICOM32_TIMEX_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/tlbflush.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/tlbflush.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/tlbflush.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/tlbflush.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,79 @@
+/*
+ * arch/ubicom32/include/asm/tlbflush.h
+ *   TLB operations for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 2000 Lineo, David McCullough <davidm@uclinux.org>
+ * Copyright (C) 2000-2002, Greg Ungerer <gerg@snapgear.com>
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_TLB_FLUSH_H
+#define _ASM_UBICOM32_TLB_FLUSH_H
+
+#include <asm/setup.h>
+
+/*
+ * flush all user-space atc entries.
+ */
+static inline void __flush_tlb(void)
+{
+	BUG();
+}
+
+static inline void __flush_tlb_one(unsigned long addr)
+{
+	BUG();
+}
+
+#define flush_tlb() __flush_tlb()
+
+/*
+ * flush all atc entries (both kernel and user-space entries).
+ */
+static inline void flush_tlb_all(void)
+{
+	BUG();
+}
+
+static inline void flush_tlb_mm(struct mm_struct *mm)
+{
+	BUG();
+}
+
+static inline void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr)
+{
+	BUG();
+}
+
+static inline void flush_tlb_range(struct mm_struct *mm,
+				   unsigned long start, unsigned long end)
+{
+	BUG();
+}
+
+static inline void flush_tlb_kernel_page(unsigned long addr)
+{
+	BUG();
+}
+
+#endif /* _ASM_UBICOM32_TLB_FLUSH_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/tlb.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/tlb.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/tlb.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/tlb.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,47 @@
+/*
+ * arch/ubicom32/include/asm/tlb.h
+ *   Ubicom32 architecture TLB operations.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_TLB_H
+#define _ASM_UBICOM32_TLB_H
+
+/*
+ * ubicom32 doesn't need any special per-pte or
+ * per-vma handling..
+ */
+#define tlb_start_vma(tlb, vma)	do { } while (0)
+#define tlb_end_vma(tlb, vma)	do { } while (0)
+#define __tlb_remove_tlb_entry(tlb, ptep, address)	do { } while (0)
+
+/*
+ * .. because we flush the whole mm when it
+ * fills up.
+ */
+#define tlb_flush(tlb)
+
+#include <asm-generic/tlb.h>
+
+#endif /* _ASM_UBICOM32_TLB_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/topology.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/topology.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/topology.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/topology.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/topology.h
+ *   Generic topology.h definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_TOPOLOGY_H
+#define _ASM_UBICOM32_TOPOLOGY_H
+
+#include <asm-generic/topology.h>
+
+#endif /* _ASM_UBICOM32_TOPOLOGY_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/traps.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/traps.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/traps.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/traps.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,55 @@
+/*
+ * arch/ubicom32/include/asm/traps.h
+ *   Trap related definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#ifndef _ASM_UBICOM32_TRAPS_H
+#define _ASM_UBICOM32_TRAPS_H
+
+/*
+ * Trap causes passed from ultra to Host OS
+ */
+#define TRAP_CAUSE_TOTAL		13
+#define TRAP_CAUSE_DST_RANGE_ERR	12
+#define TRAP_CAUSE_SRC1_RANGE_ERR	11
+#define TRAP_CAUSE_I_RANGE_ERR		10
+#define TRAP_CAUSE_DCAPT		9
+#define TRAP_CAUSE_DST_SERROR		8
+#define TRAP_CAUSE_SRC1_SERROR		7
+#define TRAP_CAUSE_DST_MISALIGNED	6
+#define TRAP_CAUSE_SRC1_MISALIGNED	5
+#define TRAP_CAUSE_DST_DECODE_ERR	4
+#define TRAP_CAUSE_SRC1_DECODE_ERR	3
+#define TRAP_CAUSE_ILLEGAL_INST		2
+#define TRAP_CAUSE_I_SERROR		1
+#define TRAP_CAUSE_I_DECODE_ERR		0
+
+extern void trap_handler(int irq, struct pt_regs *regs);
+extern void trap_init_interrupt(void);
+extern void unaligned_emulate(unsigned int thread);
+extern int unaligned_only(unsigned int cause);
+
+#endif /* _ASM_UBICOM32_TRAPS_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/types.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/types.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/types.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/types.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,75 @@
+/*
+ * arch/ubicom32/include/asm/types.h
+ *   Date type definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_TYPES_H
+#define _ASM_UBICOM32_TYPES_H
+
+/*
+ * This file is never included by application software unless
+ * explicitly requested (e.g., via linux/types.h) in which case the
+ * application is Linux specific so (user-) name space pollution is
+ * not a major issue.  However, for interoperability, libraries still
+ * need to be careful to avoid a name clashes.
+ */
+
+#include <asm-generic/int-ll64.h>
+
+#ifndef __ASSEMBLY__
+
+typedef unsigned short umode_t;
+
+#endif /* __ASSEMBLY__ */
+
+/*
+ * These aren't exported outside the kernel to avoid name space clashes
+ */
+#ifdef __KERNEL__
+
+#define BITS_PER_LONG 32
+
+#ifndef __ASSEMBLY__
+
+/* DMA addresses are always 32-bits wide */
+
+typedef u32 dma_addr_t;
+typedef u32 dma64_addr_t;
+
+/*
+ * XXX These are "Ubicom style" typedefs. They should be removed in all files used by linux.
+ */
+typedef u32 u32_t;
+typedef s32 s32_t;
+typedef u16 u16_t;
+typedef s16 s16_t;
+typedef u8 u8_t;
+typedef s8 s8_t;
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_UBICOM32_TYPES_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/uaccess.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/uaccess.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/uaccess.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/uaccess.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,347 @@
+/*
+ * arch/ubicom32/include/asm/uaccess.h
+ *   User space memory access functions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ *   arch/alpha
+ */
+#ifndef _ASM_UBICOM32_UACCESS_H
+#define _ASM_UBICOM32_UACCESS_H
+
+/*
+ * User space memory access functions
+ */
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <linux/string.h>
+
+#include <asm/segment.h>
+
+#define VERIFY_READ	0
+#define VERIFY_WRITE	1
+
+/*
+ * The exception table consists of pairs of addresses: the first is the
+ * address of an instruction that is allowed to fault, and the second is
+ * the address at which the program should continue.  No registers are
+ * modified, so it is entirely up to the continuation code to figure out
+ * what to do.
+ *
+ * All the routines below use bits of fixup code that are out of line
+ * with the main instruction path.  This means when everything is well,
+ * we don't even have to jump over them.  Further, they do not intrude
+ * on our cache or tlb entries.
+ */
+struct exception_table_entry
+{
+	unsigned long insn, fixup;
+};
+
+/*
+ * Ubicom32 does not currently support the exception table handling.
+ */
+extern unsigned long search_exception_table(unsigned long);
+
+
+#if defined(CONFIG_ACCESS_OK_CHECKS_ENABLED)
+extern int __access_ok(unsigned long addr, unsigned long size);
+#else
+static inline int __access_ok(unsigned long addr, unsigned long size)
+{
+	return 1;
+}
+#endif
+#define access_ok(type, addr, size) \
+	likely(__access_ok((unsigned long)(addr), (size)))
+
+/*
+ * The following functions do not exist.  They keep callers
+ * of put_user and get_user from passing unsupported argument
+ * types.  They result in a link time error.
+ */
+extern int __put_user_bad(void);
+extern int __get_user_bad(void);
+
+/*
+ * __put_user_no_check()
+ *	Put the requested data into the user space verifying the address
+ *
+ * Careful to not
+ * (a) re-use the arguments for side effects (sizeof/typeof is ok)
+ * (b) require any knowledge of processes at this stage
+ */
+#define __put_user_no_check(x, ptr, size)		\
+({							\
+	int __pu_err = 0;				\
+	__typeof__(*(ptr)) __user *__pu_addr = (ptr);	\
+	switch (size) {					\
+	case 1:						\
+	case 2:						\
+	case 4:						\
+	case 8:						\
+		*__pu_addr = (__typeof__(*(ptr)))x;	\
+		break;					\
+	default:					\
+		__pu_err = __put_user_bad();		\
+		break;					\
+	}						\
+	__pu_err;					\
+})
+
+/*
+ * __put_user_check()
+ *	Put the requested data into the user space verifying the address
+ *
+ * Careful to not
+ * (a) re-use the arguments for side effects (sizeof/typeof is ok)
+ * (b) require any knowledge of processes at this stage
+ *
+ * If requested, access_ok() will verify that ptr is a valid user
+ * pointer.
+ */
+#define __put_user_check(x, ptr, size)				\
+({								\
+	int __pu_err = -EFAULT;					\
+	__typeof__(*(ptr)) __user *__pu_addr = (ptr);		\
+	if (access_ok(VERIFY_WRITE, __pu_addr, size)) {		\
+		__pu_err = 0;					\
+		switch (size) {					\
+		case 1:						\
+		case 2:						\
+		case 4:						\
+		case 8:						\
+			*__pu_addr = (__typeof__(*(ptr)))x;	\
+			break;					\
+		default:					\
+			__pu_err = __put_user_bad();		\
+			break;					\
+		}						\
+	}							\
+	__pu_err;						\
+})
+
+/*
+ * __get_user_no_check()
+ *	Read the value at ptr into x.
+ *
+ * If requested, access_ok() will verify that ptr is a valid user
+ * pointer.  If the caller passes a modifying argument for ptr (e.g. x++)
+ * this macro will not work.
+ */
+#define __get_user_no_check(x, ptr, size)			\
+({								\
+	int __gu_err = 0;					\
+	__typeof__((x)) __gu_val = 0;				\
+	const __typeof__(*(ptr)) __user *__gu_addr = (ptr);	\
+	switch (size) {						\
+	case 1:							\
+	case 2:							\
+	case 4:							\
+	case 8:							\
+		__gu_val = (__typeof__((x)))*(__gu_addr);	\
+		break;						\
+	default:						\
+		__gu_err = __get_user_bad();			\
+		(x) = 0;					\
+		break;						\
+	}							\
+	(x) = __gu_val;						\
+	__gu_err;						\
+})
+
+/*
+ * __get_user_check()
+ *	Read the value at ptr into x.
+ *
+ * If requested, access_ok() will verify that ptr is a valid user
+ * pointer.
+ */
+#define __get_user_check(x, ptr, size)					\
+({									\
+	int __gu_err = -EFAULT;						\
+	__typeof__(x) __gu_val = 0;					\
+	const __typeof__(*(ptr)) __user *__gu_addr = (ptr);		\
+	if (access_ok(VERIFY_READ, __gu_addr, size)) {			\
+		__gu_err = 0;						\
+		switch (size) {						\
+		case 1:							\
+		case 2:							\
+		case 4:							\
+		case 8:							\
+			__gu_val = (__typeof__((x)))*(__gu_addr);	\
+			break;						\
+		default:						\
+			__gu_err = __get_user_bad();			\
+			(x) = 0;					\
+			break;						\
+		}							\
+	}								\
+	(x) = __gu_val;							\
+	__gu_err;							\
+})
+
+/*
+ * The "xxx" versions are allowed to perform some amount of address
+ * space checking.  See access_ok().
+ */
+#define put_user(x,ptr) \
+	__put_user_check((__typeof__(*(ptr)))(x),(ptr), sizeof(*(ptr)))
+#define get_user(x,ptr) \
+	__get_user_check((x), (ptr), sizeof(*(ptr)))
+
+/*
+ * The "__xxx" versions do not do address space checking, useful when
+ * doing multiple accesses to the same area (the programmer has to do the
+ * checks by hand with "access_ok()")
+ */
+#define __put_user(x,ptr) \
+	__put_user_no_check((__typeof__(*(ptr)))(x),(ptr), sizeof(*(ptr)))
+#define __get_user(x,ptr) \
+	__get_user_no_check((x), (ptr), sizeof(*(ptr)))
+
+/*
+ * __copy_tofrom_user_no_check()
+ *	Copy the data either to or from user space.
+ *
+ * Return the number of bytes NOT copied.
+ */
+static inline unsigned long
+__copy_tofrom_user_no_check(void *to, const void *from, unsigned long n)
+{
+	memcpy(to, from, n);
+	return 0;
+}
+
+/*
+ * copy_to_user()
+ * 	Copy the kernel data to user space.
+ *
+ * Return the number of bytes that were copied.
+ */
+static inline unsigned long
+copy_to_user(void __user *to, const void *from, unsigned long n)
+{
+	if (!access_ok(VERIFY_WRITE, to, n)) {
+		return n;
+	}
+	return __copy_tofrom_user_no_check((__force void *)to, from, n);
+}
+
+/*
+ * copy_from_user()
+ * 	Copy the user data to kernel space.
+ *
+ * Return the number of bytes that were copied.  On error, we zero
+ * out the destination.
+ */
+static inline unsigned long
+copy_from_user(void *to, const void __user *from, unsigned long n)
+{
+	if (!access_ok(VERIFY_READ, from, n)) {
+		return n;
+	}
+	return __copy_tofrom_user_no_check(to, (__force void *)from, n);
+}
+
+#define __copy_to_user(to, from, n) \
+	__copy_tofrom_user_no_check((__force void *)to, from, n)
+#define __copy_from_user(to, from, n) \
+	__copy_tofrom_user_no_check(to, (__force void *)from, n)
+#define __copy_to_user_inatomic(to, from, n) \
+	__copy_tofrom_user_no_check((__force void *)to, from, n)
+#define __copy_from_user_inatomic(to, from, n) \
+	__copy_tofrom_user_no_check(to, (__force void *)from, n)
+
+#define copy_to_user_ret(to, from, n, retval) \
+	({ if (copy_to_user(to, from, n)) return retval; })
+
+#define copy_from_user_ret(to, from, n, retval) \
+	({ if (copy_from_user(to, from, n)) return retval; })
+
+/*
+ * strncpy_from_user()
+ *	Copy a null terminated string from userspace.
+ *
+ * dst - Destination in kernel space.  The buffer must be at least count.
+ * src - Address of string in user space.
+ * count - Maximum number of bytes to copy (including the trailing NULL).
+ *
+ * Returns the length of the string (not including the trailing NULL.  If
+ * count is smaller than the length of the string, we copy count bytes
+ * and return count.
+ *
+ */
+static inline long strncpy_from_user(char *dst, const __user char *src, long count)
+{
+	char *tmp;
+	if (!access_ok(VERIFY_READ, src, 1)) {
+		return -EFAULT;
+	}
+
+	strncpy(dst, src, count);
+	for (tmp = dst; *tmp && count > 0; tmp++, count--) {
+		;
+	}
+	return(tmp - dst);
+}
+
+/*
+ * strnlen_user()
+ *	Return the size of a string (including the ending 0)
+ *
+ * Return -EFAULT on exception, a value greater than <n> if too long
+ */
+static inline long strnlen_user(const __user char *src, long n)
+{
+	if (!access_ok(VERIFY_READ, src, 1)) {
+		return -EFAULT;
+	}
+	return(strlen(src) + 1);
+}
+
+#define strlen_user(str) strnlen_user(str, 32767)
+
+/*
+ * __clear_user()
+ *	Zero Userspace
+ */
+static inline unsigned long __clear_user(__user void *to, unsigned long n)
+{
+	memset(to, 0, n);
+	return 0;
+}
+
+/*
+ * clear_user()
+ *	Zero user space (check for valid addresses)
+ */
+static inline unsigned long clear_user(__user void *to, unsigned long n)
+{
+	if (!access_ok(VERIFY_WRITE, to, n)) {
+		return -EFAULT;
+	}
+	return __clear_user(to, n);
+}
+
+#endif /* _ASM_UBICOM32_UACCESS_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/uart_tio.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/uart_tio.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/uart_tio.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/uart_tio.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,126 @@
+/*
+ * arch/ubicom32/include/asm/uart_tio.h
+ *   Ubicom32 architecture UART TIO definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _ASM_UBICOM32_UART_TIO_H
+#define _ASM_UBICOM32_UART_TIO_H
+
+#include <asm/devtree.h>
+
+#define UARTTIO_RX_FIFO_SIZE		16
+#define UARTTIO_TX_FIFO_SIZE		16
+
+/*
+ * Interrupt flags
+ */
+#define UARTTIO_UART_INT_RX		0x00000001	// set when a character has been recevied (TODO: add watermark)
+#define UARTTIO_UART_INT_RXOVF		0x00000002	// set when the receive buffer has overflowed
+#define UARTTIO_UART_INT_RXFRAME	0x00000004	// set when there has been a framing error
+
+#define UARTTIO_UART_INT_TX		0x00000100	// set every time a character is transmitted
+#define UARTTIO_UART_INT_TXBE		0x00000200	// set when the transmit buffer is empty (TODO: add watermark)
+
+#define UARTTIO_UART_FLAG_ENABLED	0x80000000
+#define UARTTIO_UART_FLAG_SET_RATE      0x00000001      // set to update baud rate
+#define UARTTIO_UART_FLAG_RESET         0x00000002      // set to reset the port
+struct uarttio_uart {
+	volatile u32_t			flags;
+
+	volatile u32_t			baud_rate;
+	volatile u32_t			current_baud_rate;
+	u32_t				bit_time;
+
+	/*
+	 * Modem status register
+	 */
+	volatile u32_t			status;
+
+	/*
+	 * Interrupt registers
+	 */
+	volatile u32_t			int_mask;
+	volatile u32_t			int_flags;
+
+	/*
+	 * Ports and pins
+	 */
+	u32_t				rx_port;
+	u32_t				tx_port;
+
+	u8_t				rx_pin;
+	u8_t				tx_pin;
+
+	/*
+	 * Configuration Data
+	 */
+	u8_t				rx_bits;
+	u8_t				rx_stop_bits;
+	u8_t				tx_bits;
+	u8_t				tx_stop_bits;
+
+	/*
+	 * RX state machine data
+	 */
+	u32_t				rx_timer;
+	u32_t				rx_bit_pos;
+	u32_t				rx_byte;
+	u32_t				rx_fifo_head;
+	u32_t				rx_fifo_tail;
+	u32_t				rx_fifo_size;
+
+	/*
+	 * TX state machine data
+	 */
+	u32_t				tx_timer;
+	u32_t				tx_bit_pos;
+	u32_t				tx_byte;
+	u32_t				tx_fifo_head;
+	u32_t				tx_fifo_tail;
+	u32_t				tx_fifo_size;
+
+	/*
+	 * FIFOs
+	 */
+	u8_t				rx_fifo[UARTTIO_RX_FIFO_SIZE];
+	u8_t				tx_fifo[UARTTIO_TX_FIFO_SIZE];
+};
+
+#define UARTTIO_VP_VERSION		1
+struct uarttio_regs {
+	u32_t				version;
+
+	u32_t				thread;
+
+	u32_t				max_uarts;
+
+	struct uarttio_uart		uarts[0];
+};
+
+#define UARTTIO_NODE_VERSION		1
+struct uarttio_node {
+	struct devtree_node		dn;
+
+	u32_t				version;
+	struct uarttio_regs		*regs;
+	u32_t				regs_sz;
+};
+
+#endif /* _ASM_UBICOM32_UART_TIO_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ubi32-cs4384.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubi32-cs4384.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/ubi32-cs4384.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubi32-cs4384.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,52 @@
+/*
+ * arch/ubicom32/include/asm/ubi32-cs4384.h
+ *   Ubicom32 architecture CS4384 driver platform data definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _ASM_UBICOM32_UBI32_CS4384_H
+#define _ASM_UBICOM32_UBI32_CS4384_H
+
+enum ubi32_cs4384_mclk_source {
+	UBI32_CS4384_MCLK_PWM_0,
+	UBI32_CS4384_MCLK_PWM_1,
+	UBI32_CS4384_MCLK_PWM_2,
+	UBI32_CS4384_MCLK_CLKDIV_1,
+	UBI32_CS4384_MCLK_OTHER,
+};
+
+struct ubi32_cs4384_mclk_entry {
+	/*
+	 * Rate, in Hz, of this entry
+	 */
+	int rate;
+
+	/*
+	 * The divider to program to get the rate
+	 */
+	int div;
+};
+
+struct ubi32_cs4384_platform_data {
+	enum ubi32_cs4384_mclk_source	mclk_src;
+
+	int				n_mclk;
+	struct ubi32_cs4384_mclk_entry	*mclk_entries;
+};
+#endif /* _ASM_UBICOM32_UBI32_CS4384_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ubi32-pcm.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubi32-pcm.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/ubi32-pcm.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubi32-pcm.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,54 @@
+/*
+ * arch/ubicom32/include/asm/ubi32-pcm.h
+ *   Ubicom32 architecture PCM driver platform data definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _ASM_UBICOM32_UBI32_PCM_H
+#define _ASM_UBICOM32_UBI32_PCM_H
+
+/*
+ * This function is called when the sample rate has changed
+ */
+typedef int (*ubi32_pcm_set_rate_fn_t)(void *appdata, int rate);
+
+struct ubi32pcm_platform_data {
+	/*
+	 * Name of the audio node/inst
+	 */
+	const char		*node_name;
+	const char		*inst_name;
+	int			inst_num;
+
+	/*
+	 * Application specific data provided when calling functions
+	 */
+	void			*appdata;
+
+	/*
+	 * Functions called when various things happen
+	 */
+	ubi32_pcm_set_rate_fn_t	set_rate;
+
+	/*
+	 * Pointer to optional upper layer data (i.e. DAC config, etc)
+	 */
+	void			*priv_data;
+};
+#endif /* _ASM_UBICOM32_UBI32_PCM_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ubicom32bl.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubicom32bl.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/ubicom32bl.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubicom32bl.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,84 @@
+/*
+ * arch/ubicom32/include/asm/ubicom32bl.h
+ *   Ubicom32 architecture backlight driver platform data definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_UBICOM32_BL_H
+#define _ASM_UBICOM32_UBICOM32_BL_H
+
+/*
+ * Different backlight control mechanisms
+ */
+enum ubicom32bl_pwm_types {
+	/*
+	 * PWM controlled backlight
+	 */
+	UBICOM32BL_TYPE_PWM,
+
+	/*
+	 * HRT based PWM backlight
+	 */
+	UBICOM32BL_TYPE_PWM_HRT,
+
+	/*
+	 * No dimming, just on or off
+	 */
+	UBICOM32BL_TYPE_BINARY,
+};
+
+struct ubicom32bl_platform_data {
+	/*
+	 * Default intensity of the backlight 0-255
+	 */
+	u8_t				default_intensity;
+
+	/*
+	 * TRUE if the backlight sense is active low. (inverted)
+	 * FALSE if the backlight sense is active high.
+	 */
+	bool				invert;
+
+	/*
+	 * Type of the backlight
+	 */
+	enum ubicom32bl_pwm_types	type;
+
+	/*
+	 * GPIO of the backlight if UBICOM32BL_TYPE_PWM_HRT, UBICOM32BL_TYPE_BINARY
+	 */
+	unsigned			gpio;
+
+	/*
+	 * PWM channel and parameters of the backlight if UBICOM32BL_TYPE_PWM
+	 *	pre_scaler: sets the rate at which the PWM timer is clocked. (clk_core / 2^pre_scaler)
+	 *	period: sets the period of the timer in timer cycles
+	 * The duty cycle will be directly proportional to the brightness setting.
+	 */
+	u32_t				pwm_channel;
+	u8_t				pwm_prescale;
+	u16_t				pwm_period;
+};
+
+#endif /* _ASM_UBICOM32_UBICOM32_BL_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ubicom32-common-asm.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubicom32-common-asm.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/ubicom32-common-asm.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubicom32-common-asm.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,49 @@
+/*
+ * arch/ubicom32/include/asm/ubicom32-common-asm.h
+ *   Ubicom32 atomic lock operations.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#ifndef _ASM_UBICOM32_UBICOM32_COMMON_ASM_H
+#define _ASM_UBICOM32_UBICOM32_COMMON_ASM_H
+
+/*
+ * atomic_lock_acquire macro
+ *	Equivalent to __atomic_lock_acquire()
+ */
+.macro atomic_lock_acquire
+	bset scratchpad1, scratchpad1, #ATOMIC_LOCK_BIT
+	jmpne.f	.-4
+.endm
+
+/*
+ * atomic_lock_release macro
+ *	Equivalent to __atomic_lock_release()
+ */
+.macro atomic_lock_release
+	bclr scratchpad1, scratchpad1, #ATOMIC_LOCK_BIT
+.endm
+
+#endif /* _ASM_UBICOM32_UBICOM32_COMMON_ASM_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ubicom32-common.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubicom32-common.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/ubicom32-common.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubicom32-common.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,128 @@
+/*
+ * arch/ubicom32/include/asm/ubicom32-common.h
+ *   Ubicom32 atomic lock operations.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#ifndef _ASM_UBICOM32_UBICOM32_COMMON_H
+#define _ASM_UBICOM32_UBICOM32_COMMON_H
+
+#define S(arg) #arg
+#define D(arg) S(arg)
+/*
+ * scratchpad1 is owned by the LDSR.
+ *
+ * The upper bits provide 16 global spinlocks.  Acquiring one of these
+ * global spinlocks synchornizes across multiple threads and prevents
+ * the LDSR from delivering any interrupts while the lock is held.
+ * Use these locks only when absolutely required.
+ *
+ * The lower 16 bits of scratchpad1 are used as per thread interrupt
+ * enable/disable bits.  These bits will prevent a thread from receiving
+ * any interrupts.
+ *
+ * Bit Usage:
+ * - MT_EN_LOCK_BIT   - Protects writes to MT_EN, so code can read current value
+ *			then write a new value atomically (profiler for example)
+ * - ATOMIC_LOCK_BIT - Used to provide general purpose atomic handling.
+ * - LDSR_LOCK_BIT   - Used by the LDSR exclusively to provide protection.
+ * - DCCR_LOCK_BIT   - Used to limit access to the DCCR cache control peripheral
+ * - ICCR_LOCK_BIT   - Used to limit access to the ICCR cache control peripheral
+ * - LSB 16 bits     - Used by the LDSR to represent thread enable/disable bits.
+ */
+#define MT_EN_LOCK_BIT	31
+#define ATOMIC_LOCK_BIT 30
+#define LDSR_LOCK_BIT   29
+#define PCI_LOCK_BIT	28
+#define ICCR_LOCK_BIT	27
+#define DCCR_LOCK_BIT	26
+
+#if !defined(__ASSEMBLY__)
+
+#define UBICOM32_TRYLOCK(bit) \
+	asm volatile (						      \
+	"	move.4 %0, #0					\n\t" \
+	"	bset scratchpad1, scratchpad1, #"D(bit)"	\n\t" \
+	"	jmpne.f	1f					\n\t" \
+	"	move.4 %0, #1					\n\t" \
+	"1:							\n\t" \
+		: "=r" (ret)					      \
+		:						      \
+		: "cc", "memory"				      \
+	)							      \
+
+#define UBICOM32_UNLOCK(bit) \
+	asm volatile (						      \
+	"	bclr scratchpad1, scratchpad1, #"D(bit)"	\n\t" \
+		:						      \
+		:						      \
+		: "cc", "memory"				      \
+	)							      \
+
+#define UBICOM32_LOCK(bit) \
+	asm volatile (						      \
+	"1:	bset scratchpad1, scratchpad1, #"D(bit)"	\n\t" \
+	"	jmpne.f	1b					\n\t" \
+		:						      \
+		:						      \
+		: "cc", "memory"				      \
+	)							      \
+
+/*
+ * __atomic_lock_trylock()
+ *	Attempt to acquire the lock, return TRUE if acquired.
+ */
+static inline int __atomic_lock_trylock(void)
+{
+	int ret;
+	UBICOM32_TRYLOCK(ATOMIC_LOCK_BIT);
+	return ret;
+}
+
+/*
+ * __atomic_lock_release()
+ *	Release the global atomic lock.
+ *
+ * Note: no one is suspended waiting since this lock is a spinning lock.
+ */
+static inline void __atomic_lock_release(void)
+{
+	UBICOM32_UNLOCK(ATOMIC_LOCK_BIT);
+}
+
+/*
+ * __atomic_lock_acquire()
+ *	Acquire the global atomic lock, spin if not available.
+ */
+static inline void __atomic_lock_acquire(void)
+{
+	UBICOM32_LOCK(ATOMIC_LOCK_BIT);
+}
+#else /* __ASSEMBLY__ */
+
+#include <asm/ubicom32-common-asm.h>
+
+#endif /* __ASSEMBLY__ */
+#endif /* _ASM_UBICOM32_UBICOM32_COMMON_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ubicom32fb.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubicom32fb.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/ubicom32fb.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubicom32fb.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,56 @@
+/*
+ * arch/ubicom32/include/asm/ubicom32fb.h
+ *   Ubicom32 architecture video frame buffer definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _ASM_UBICOM32_UBICOM32FB_H
+#define _ASM_UBICOM32_UBICOM32FB_H
+
+#include <linux/ioctl.h>
+
+/*
+ * Set next frame
+ */
+#define UBICOM32FB_IOCTL_SET_NEXT_FRAME		_IOW('r',  1, void *)
+#define UBICOM32FB_IOCTL_SET_NEXT_FRAME_SYNC	_IOW('r',  2, void *)
+
+/*
+ * Set Mode
+ */
+#define UBICOM32FB_IOCTL_SET_MODE		_IOW('r',  3, void *)
+struct ubicom32fb_mode {
+	unsigned long	width;
+	unsigned long	height;
+	unsigned long	flags;
+	void		*next_frame;
+};
+#define UBICOM32FB_IOCTL_SET_MODE_FLAG_YUV_SCAN_ORDER	(1 << 8)
+
+#define UBICOM32FB_IOCTL_SET_MODE_FLAG_YUV_BLOCK_ORDER	(1 << 7)
+#define UBICOM32FB_IOCTL_SET_MODE_FLAG_YUV		(1 << 6)
+#define UBICOM32FB_IOCTL_SET_MODE_FLAG_VSUB		(1 << 5)
+#define UBICOM32FB_IOCTL_SET_MODE_FLAG_VRANGE_16_255	(1 << 4)
+
+#define UBICOM32FB_IOCTL_SET_MODE_FLAG_VRANGE_0_255	(1 << 3)
+#define UBICOM32FB_IOCTL_SET_MODE_FLAG_HSUB_2_1		(1 << 2)
+#define UBICOM32FB_IOCTL_SET_MODE_FLAG_HSUB_1_1		(1 << 1)
+#define UBICOM32FB_IOCTL_SET_MODE_FLAG_SCALE_ENABLE	(1 << 0)
+
+#endif /* _ASM_UBICOM32_UBICOM32FB_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ubicom32hid.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubicom32hid.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/ubicom32hid.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubicom32hid.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,133 @@
+/*
+ * arch/ubicom32/include/asm/ubicom32hid.h
+ *   Ubicom32 architecture HID driver platform data definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_UBICOM32_HID_H
+#define _ASM_UBICOM32_UBICOM32_HID_H
+
+enum ubicom32hid_bl_types {
+	/*
+	 * On or off, using command SET_BL_EN, PB4
+	 */
+	UBICOM32HID_BL_TYPE_BINARY,
+
+	/*
+	 * Dimmable, using command SET_PWM, PB3
+	 */
+	UBICOM32HID_BL_TYPE_PWM,
+};
+
+/*
+ * IR code mapping to event code.
+ *	If there are no button mappings and no ir mappings
+ *	then no input driver will be registered.
+ */
+struct ubicom32hid_ir {
+	/*
+	 * Input event code (KEY_*, SW_*, etc)
+	 */
+	int		code;
+
+	/*
+	 * Input event type (EV_KEY, EV_SW, etc)
+	 */
+	int		type;
+
+	/*
+	 * The IR code of this button.
+	 */
+	uint32_t	ir_code;
+};
+
+/*
+ * Button mapping to event code.
+ *	If there are no button mappings and no ir mappings
+ *	then no input driver will be registered.
+ */
+struct ubicom32hid_button {
+	/*
+	 * Input event code (KEY_*, SW_*, etc)
+	 */
+	int		code;
+
+	/*
+	 * Input event type (EV_KEY, EV_SW, etc)
+	 */
+	int		type;
+
+	/*
+	 * Bit number of this button.
+	 */
+	uint8_t		bit;
+};
+
+struct ubicom32hid_platform_data {
+	/*
+	 * Default intensity of the backlight 0-255
+	 */
+	u8_t				default_intensity;
+
+	/*
+	 * GPIO number of the reset line and its polarity.
+	 */
+	unsigned			gpio_reset;
+	int				gpio_reset_polarity;
+
+	/*
+	 * TRUE if the backlight sense is active low. (inverted)
+	 * FALSE if the backlight sense is active high.
+	 */
+	bool				invert;
+
+	/*
+	 * Type of the backlight we are controlling
+	 */
+	enum ubicom32hid_bl_types	type;
+
+	/*
+	 * Optional polling rate for input, in ms, defaults to 100ms
+	 */
+	int				poll_interval;
+
+	/*
+	 * Optional name to register as input device
+	 */
+	const char			*input_name;
+
+	/*
+	 * Button mapping array
+	 */
+	const struct ubicom32hid_button	*buttons;
+	int				nbuttons;
+
+	/*
+	 * IR mapping array
+	 */
+	const struct ubicom32hid_ir	*ircodes;
+	int				nircodes;
+};
+
+#endif /* _ASM_UBICOM32_UBICOM32_HID_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ubicom32input.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubicom32input.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/ubicom32input.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubicom32input.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,76 @@
+/*
+ * arch/ubicom32/include/asm/ubicom32input.h
+ *   Ubicom32 Input driver, based on gpio-keys
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ *
+ * TODO: add groups for inputs which can be sampled together
+ */
+
+#ifndef _ASM_UBICOM32_UBICOM32_INPUT_H
+#define _ASM_UBICOM32_UBICOM32_INPUT_H
+
+struct ubicom32input_button {
+	/*
+	 * Input event code (KEY_*, SW_*, etc)
+	 */
+	int		code;
+
+	/*
+	 * Input event type (EV_KEY, EV_SW, etc)
+	 */
+	int		type;
+
+	/*
+	 * GPIO to poll
+	 */
+	int		gpio;
+
+	/*
+	 * 1 for active low, 0 for active high
+	 */
+	int		active_low;
+
+	/*
+	 * Description, used for reserving GPIOs
+	 */
+	const char	*desc;
+};
+
+struct ubicom32input_platform_data {
+	struct ubicom32input_button	*buttons;
+	int				nbuttons;
+
+	/*
+	 * Optional poll interval, in ms, defaults to 50ms
+	 */
+	int				poll_interval;
+
+	/*
+	 * Option Name of this driver
+	 */
+	const char			*name;
+};
+
+#endif /* _ASM_UBICOM32_UBICOM32_INPUT_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ubicom32input_i2c.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubicom32input_i2c.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/ubicom32input_i2c.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubicom32input_i2c.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,71 @@
+/*
+ * arch/ubicom32/include/asm/ubicom32input_i2c.h
+ *   Ubicom32 architecture Input driver over I2C platform data definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ *
+ * TODO: add groups for inputs which can be sampled together
+ */
+
+#ifndef _ASM_UBICOM32_UBICOM32_INPUT_I2C_H
+#define _ASM_UBICOM32_UBICOM32_INPUT_I2C_H
+
+struct ubicom32input_i2c_button {
+	/*
+	 * Input event code (KEY_*, SW_*, etc)
+	 */
+	int		code;
+
+	/*
+	 * Input event type (EV_KEY, EV_SW, etc)
+	 */
+	int		type;
+
+	/*
+	 * Bit number of this button. (0 - ngpio)
+	 */
+	int		bit;
+
+	/*
+	 * 1 for active low, 0 for active high
+	 */
+	int		active_low;
+};
+
+struct ubicom32input_i2c_platform_data {
+	struct ubicom32input_i2c_button	*buttons;
+	int				nbuttons;
+
+	/*
+	 * Optional poll interval, in ms, defaults to 100ms
+	 */
+	int				poll_interval;
+
+	/*
+	 * Option Name of this driver
+	 */
+	const char			*name;
+};
+
+#endif /* _ASM_UBICOM32_UBICOM32_INPUT_I2C_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ubicom32lcd.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubicom32lcd.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/ubicom32lcd.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubicom32lcd.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,38 @@
+/*
+ * arch/ubicom32/include/asm/ubicom32lcd.h
+ *   Ubicom32 architecture LCD driver platform data definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _ASM_UBICOM32_UBICOM32_LCD_H
+#define _ASM_UBICOM32_UBICOM32_LCD_H
+
+#include <asm/ip5000.h>
+
+struct ubicom32lcd_platform_data {
+	int			pin_cs;
+	int			pin_rs;
+	int			pin_rd;
+	int			pin_wr;
+	int			pin_reset;
+	int			data_shift;
+	struct ubicom32_io_port	*port_data;
+};
+
+#endif /* _ASM_UBICOM32_UBICOM32_LCD_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ubicom32lcdpower.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubicom32lcdpower.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/ubicom32lcdpower.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubicom32lcdpower.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,39 @@
+/*
+ * arch/ubicom32/include/asm/ubicom32lcdpower.h
+ *   Ubicom32 architecture LCD driver platform data definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_UBICOM32_LCDPOWER_H
+#define _ASM_UBICOM32_UBICOM32_LCDPOWER_H
+
+struct ubicom32lcdpower_platform_data {
+	/*
+	 * GPIO and polarity for VGH signal.  A FALSE polarity is active low, TRUE is active high.
+	 */
+	int		vgh_gpio;
+	bool		vgh_polarity;
+};
+
+#endif /* _ASM_UBICOM32_UBICOM32_LCDPOWER_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ubicom32ring.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubicom32ring.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/ubicom32ring.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubicom32ring.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,103 @@
+/*
+ * arch/ubicom32/include/asm/ubicom32ring.h
+ * Userspace I/O platform driver for Ubicom32 ring buffers
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _ASM_UBICOM32_UBICOM32RING_H
+#define _ASM_UBICOM32_UBICOM32RING_H
+
+#define UIO_UBICOM32RING_REG_VERSION	2
+
+struct uio_ubicom32ring_desc {
+	volatile unsigned int		head;
+	volatile unsigned int		tail;
+	unsigned int			entries;
+	volatile unsigned int		ring[0];
+};
+
+struct uio_ubicom32ring_regs {
+	unsigned int			version;
+
+	/*
+	 * Magic type used to identify the ring set.  Each driver will
+	 * have a different magic value.
+	 */
+	unsigned int			magic;
+
+	/*
+	 * Registers defined by the driver
+	 */
+	unsigned int			regs_size;
+	void				*regs;
+
+	/*
+	 * The locations of the rings
+	 *
+	 * DO NOT ADD ANYTHING BELOW THIS LINE
+	 */
+	unsigned int			num_rings;
+	struct uio_ubicom32ring_desc	*rings[0];
+};
+
+/*
+ * ringtio_ring_flush
+ */
+static inline void ringtio_ring_flush(struct uio_ubicom32ring_desc *rd)
+{
+	rd->head = rd->tail = 0;
+}
+
+/*
+ * ringtio_ring_get
+ */
+static inline int ringtio_ring_get(struct uio_ubicom32ring_desc *rd, void **val)
+{
+	if (rd->head == rd->tail) {
+		return 0;
+	}
+
+	*val = (void *)rd->ring[rd->head++];
+	if (rd->head == rd->entries) {
+		rd->head = 0;
+	}
+	return 1;
+}
+
+/*
+ * ringtio_ring_put
+ */
+static inline int ringtio_ring_put(struct uio_ubicom32ring_desc *rd, void *val)
+{
+	unsigned int newtail = rd->tail + 1;
+	if (newtail == rd->entries) {
+		newtail = 0;
+	}
+
+	if (newtail == rd->head) {
+		return 0;
+	}
+
+	rd->ring[rd->tail] = (unsigned int)val;
+	rd->tail = newtail;
+	return 1;
+}
+
+#endif /* _ASM_UBICOM32_UBICOM32RING_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ubicom32sd.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubicom32sd.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/ubicom32sd.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubicom32sd.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,45 @@
+/*
+ * arch/ubicom32/include/asm/ubicom32sd.h
+ *   Ubicom32SD public include file
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _ASM_UBICOM32_UBICOM32_SD_H
+#define _ASM_UBICOM32_UBICOM32_SD_H
+
+struct ubicom32sd_card {
+	/*
+	 * GPIOs of PWR, WP and CD lines.
+	 * Polarity is 1 for active high and 0 for active low
+	 */
+	int				pin_pwr;
+	bool				pwr_polarity;
+	int				pin_wp;
+	bool				wp_polarity;
+	int				pin_cd;
+	bool				cd_polarity;
+};
+
+struct ubicom32sd_platform_data {
+	int			ncards;
+
+	struct ubicom32sd_card	*cards;
+};
+
+#endif /* _ASM_UBICOM32_UBICOM32_SD_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ubicom32-spi-gpio.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubicom32-spi-gpio.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/ubicom32-spi-gpio.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubicom32-spi-gpio.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,62 @@
+/*
+ * arch/ubicom32/include/asm/ubicom32-spi-gpio.h
+ *   Platform driver data definitions for GPIO based SPI driver.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_UBICOM32_SPI_GPIO_H
+#define _ASM_UBICOM32_UBICOM32_SPI_GPIO_H
+
+struct ubicom32_spi_gpio_platform_data {
+	/*
+	 * GPIO to use for MOSI, MISO, CLK
+	 */
+	int	pin_mosi;
+	int	pin_miso;
+	int	pin_clk;
+
+	/*
+	 * Default state of CLK line
+	 */
+	int	clk_default;
+
+	/*
+	 * Number of chip selects on this bus
+	 */
+	int	num_chipselect;
+
+	/*
+	 * The bus number of this chip
+	 */
+	int	bus_num;
+};
+
+struct ubicom32_spi_gpio_controller_data {
+	/*
+	 * GPIO to use for chip select
+	 */
+	int	pin_cs;
+};
+
+#endif /* _ASM_UBICOM32_UBICOM32_SPI_GPIO_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ubicom32suart.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubicom32suart.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/ubicom32suart.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubicom32suart.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,36 @@
+/*
+ * arch/ubicom32/include/asm/ubicom32suart.h
+ *   <TODO: Replace with short file description>
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_UBICOM32_SUART_H
+#define _ASM_UBICOM32_UBICOM32_SUART_H
+
+/*
+ * Platform resource id for serdes uart clock parameter
+ */
+#define UBICOM32_SUART_IORESOURCE_CLOCK		(1)
+
+#endif /* _ASM_UBICOM32_UBICOM32_SUART_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ubicom32-tio.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubicom32-tio.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/ubicom32-tio.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ubicom32-tio.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,42 @@
+/*
+ * arch/ubicom32/include/asm/ubicom32-tio.h
+ *   Threaded I/O interface definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_UBICOM32_TIO_H
+#define _ASM_UBICOM32_UBICOM32_TIO_H
+
+extern u8_t usb_tio_read_u16(u32_t address, u16_t *data);
+extern u8_t usb_tio_read_u8(u32_t address, u8_t *data);
+
+extern u8_t usb_tio_write_u16(u32_t address, u16_t data);
+extern u8_t usb_tio_write_u8(u32_t address, u8_t data);
+
+extern u8_t usb_tio_read_fifo(u32_t address, u32_t buffer, u32_t bytes);
+extern u8_t usb_tio_write_fifo(u32_t address, u32_t buffer, u32_t bytes);
+extern u8_t usb_tio_write_fifo_sync(u32_t address, u32_t buffer, u32_t bytes);
+extern void usb_tio_read_int_status(u8_t *int_usb, u16_t *int_tx, u16_t *int_rx);
+
+#endif /* _ASM_UBICOM32_UBICOM32_TIO_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/ucontext.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ucontext.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/ucontext.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/ucontext.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,39 @@
+/*
+ * arch/ubicom32/include/asm/ucontext.h
+ *   Definition of ucontext structure for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_UCONTEXT_H
+#define _ASM_UBICOM32_UCONTEXT_H
+
+struct ucontext {
+	unsigned long	  uc_flags;
+	struct ucontext  *uc_link;
+	stack_t		  uc_stack;
+	struct sigcontext	  uc_mcontext;
+	sigset_t	  uc_sigmask;	/* mask last for extensibility */
+};
+
+#endif /* _ASM_UBICOM32_UCONTEXT_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/unaligned.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/unaligned.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/unaligned.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/unaligned.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,44 @@
+/*
+ * arch/ubicom32/include/asm/unaligned.h
+ *   Ubicom32 architecture unaligned memory access definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ *
+ * TODO: This is a copy of arm unaligned handling that probably needs
+ * to be optimized for UBICOM32, but it works for now.
+ */
+
+#ifndef _ASM_UBICOM32_UNALIGNED_H
+#define _ASM_UBICOM32_UNALIGNED_H
+
+#include <asm/types.h>
+
+#include <linux/unaligned/le_byteshift.h>
+#include <linux/unaligned/be_byteshift.h>
+#include <linux/unaligned/generic.h>
+
+#define get_unaligned	__get_unaligned_be
+#define put_unaligned	__put_unaligned_be
+
+#endif /* _ASM_UBICOM32_UNALIGNED_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/unistd.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/unistd.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/unistd.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/unistd.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,400 @@
+/*
+ * arch/ubicom32/include/asm/unistd.h
+ *   Ubicom32 architecture syscall definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_UNISTD_H
+#define _ASM_UBICOM32_UNISTD_H
+
+/*
+ * This file contains the system call numbers.
+ */
+
+#define __NR_restart_syscall      0
+#define __NR_exit		  1
+#define __NR_fork		  2
+#define __NR_read		  3
+#define __NR_write		  4
+#define __NR_open		  5
+#define __NR_close		  6
+#define __NR_waitpid		  7
+#define __NR_creat		  8
+#define __NR_link		  9
+#define __NR_unlink		 10
+#define __NR_execve		 11
+#define __NR_chdir		 12
+#define __NR_time		 13
+#define __NR_mknod		 14
+#define __NR_chmod		 15
+#define __NR_chown		 16
+#define __NR_break		 17
+#define __NR_oldstat		 18
+#define __NR_lseek		 19
+#define __NR_getpid		 20
+#define __NR_mount		 21
+#define __NR_umount		 22
+#define __NR_setuid		 23
+#define __NR_getuid		 24
+#define __NR_stime		 25
+#define __NR_ptrace		 26
+#define __NR_alarm		 27
+#define __NR_oldfstat		 28
+#define __NR_pause		 29
+#define __NR_utime		 30
+#define __NR_stty		 31
+#define __NR_gtty		 32
+#define __NR_access		 33
+#define __NR_nice		 34
+#define __NR_ftime		 35
+#define __NR_sync		 36
+#define __NR_kill		 37
+#define __NR_rename		 38
+#define __NR_mkdir		 39
+#define __NR_rmdir		 40
+#define __NR_dup		 41
+#define __NR_pipe		 42
+#define __NR_times		 43
+#define __NR_prof		 44
+#define __NR_brk		 45
+#define __NR_setgid		 46
+#define __NR_getgid		 47
+#define __NR_signal		 48
+#define __NR_geteuid		 49
+#define __NR_getegid		 50
+#define __NR_acct		 51
+#define __NR_umount2		 52
+#define __NR_lock		 53
+#define __NR_ioctl		 54
+#define __NR_fcntl		 55
+#define __NR_mpx		 56
+#define __NR_setpgid		 57
+#define __NR_ulimit		 58
+#define __NR_oldolduname	 59
+#define __NR_umask		 60
+#define __NR_chroot		 61
+#define __NR_ustat		 62
+#define __NR_dup2		 63
+#define __NR_getppid		 64
+#define __NR_getpgrp		 65
+#define __NR_setsid		 66
+#define __NR_sigaction		 67
+#define __NR_sgetmask		 68
+#define __NR_ssetmask		 69
+#define __NR_setreuid		 70
+#define __NR_setregid		 71
+#define __NR_sigsuspend		 72
+#define __NR_sigpending		 73
+#define __NR_sethostname	 74
+#define __NR_setrlimit		 75
+#define __NR_getrlimit		 76
+#define __NR_getrusage		 77
+#define __NR_gettimeofday	 78
+#define __NR_settimeofday	 79
+#define __NR_getgroups		 80
+#define __NR_setgroups		 81
+#define __NR_select		 82
+#define __NR_symlink		 83
+#define __NR_oldlstat		 84
+#define __NR_readlink		 85
+#define __NR_uselib		 86
+#define __NR_swapon		 87
+#define __NR_reboot		 88
+#define __NR_readdir		 89
+#define __NR_mmap		 90
+#define __NR_munmap		 91
+#define __NR_truncate		 92
+#define __NR_ftruncate		 93
+#define __NR_fchmod		 94
+#define __NR_fchown		 95
+#define __NR_getpriority	 96
+#define __NR_setpriority	 97
+#define __NR_profil		 98
+#define __NR_statfs		 99
+#define __NR_fstatfs		100
+#define __NR_ioperm		101
+#define __NR_socketcall		102
+#define __NR_syslog		103
+#define __NR_setitimer		104
+#define __NR_getitimer		105
+#define __NR_stat		106
+#define __NR_lstat		107
+#define __NR_fstat		108
+#define __NR_olduname		109
+#define __NR_iopl		/* 110 */ not supported
+#define __NR_vhangup		111
+#define __NR_idle		/* 112 */ Obsolete
+#define __NR_vm86		/* 113 */ not supported
+#define __NR_wait4		114
+#define __NR_swapoff		115
+#define __NR_sysinfo		116
+#define __NR_ipc		117
+#define __NR_fsync		118
+#define __NR_sigreturn		119
+#define __NR_clone		120
+#define __NR_setdomainname	121
+#define __NR_uname		122
+#define __NR_cacheflush		123
+#define __NR_adjtimex		124
+#define __NR_mprotect		125
+#define __NR_sigprocmask	126
+#define __NR_create_module	127
+#define __NR_init_module	128
+#define __NR_delete_module	129
+#define __NR_get_kernel_syms	130
+#define __NR_quotactl		131
+#define __NR_getpgid		132
+#define __NR_fchdir		133
+#define __NR_bdflush		134
+#define __NR_sysfs		135
+#define __NR_personality	136
+#define __NR_afs_syscall	137 /* Syscall for Andrew File System */
+#define __NR_setfsuid		138
+#define __NR_setfsgid		139
+#define __NR__llseek		140
+#define __NR_getdents		141
+#define __NR__newselect		142
+#define __NR_flock		143
+#define __NR_msync		144
+#define __NR_readv		145
+#define __NR_writev		146
+#define __NR_getsid		147
+#define __NR_fdatasync		148
+#define __NR__sysctl		149
+#define __NR_mlock		150
+#define __NR_munlock		151
+#define __NR_mlockall		152
+#define __NR_munlockall		153
+#define __NR_sched_setparam		154
+#define __NR_sched_getparam		155
+#define __NR_sched_setscheduler		156
+#define __NR_sched_getscheduler		157
+#define __NR_sched_yield		158
+#define __NR_sched_get_priority_max	159
+#define __NR_sched_get_priority_min	160
+#define __NR_sched_rr_get_interval	161
+#define __NR_nanosleep		162
+#define __NR_mremap		163
+#define __NR_setresuid		164
+#define __NR_getresuid		165
+#define __NR_getpagesize	166
+#define __NR_query_module	167
+#define __NR_poll		168
+#define __NR_nfsservctl		169
+#define __NR_setresgid		170
+#define __NR_getresgid		171
+#define __NR_prctl		172
+#define __NR_rt_sigreturn	173
+#define __NR_rt_sigaction	174
+#define __NR_rt_sigprocmask	175
+#define __NR_rt_sigpending	176
+#define __NR_rt_sigtimedwait	177
+#define __NR_rt_sigqueueinfo	178
+#define __NR_rt_sigsuspend	179
+#define __NR_pread64		180
+#define __NR_pwrite64		181
+#define __NR_lchown		182
+#define __NR_getcwd		183
+#define __NR_capget		184
+#define __NR_capset		185
+#define __NR_sigaltstack	186
+#define __NR_sendfile		187
+#define __NR_getpmsg		188	/* some people actually want streams */
+#define __NR_putpmsg		189	/* some people actually want streams */
+#define __NR_vfork		190
+#define __NR_ugetrlimit		191
+#define __NR_mmap2		192
+#define __NR_truncate64		193
+#define __NR_ftruncate64	194
+#define __NR_stat64		195
+#define __NR_lstat64		196
+#define __NR_fstat64		197
+#define __NR_chown32		198
+#define __NR_getuid32		199
+#define __NR_getgid32		200
+#define __NR_geteuid32		201
+#define __NR_getegid32		202
+#define __NR_setreuid32		203
+#define __NR_setregid32		204
+#define __NR_getgroups32	205
+#define __NR_setgroups32	206
+#define __NR_fchown32		207
+#define __NR_setresuid32	208
+#define __NR_getresuid32	209
+#define __NR_setresgid32	210
+#define __NR_getresgid32	211
+#define __NR_lchown32		212
+#define __NR_setuid32		213
+#define __NR_setgid32		214
+#define __NR_setfsuid32		215
+#define __NR_setfsgid32		216
+#define __NR_pivot_root		217
+#define __NR_getdents64		220
+#define __NR_gettid		221
+#define __NR_tkill		222
+#define __NR_setxattr		223
+#define __NR_lsetxattr		224
+#define __NR_fsetxattr		225
+#define __NR_getxattr		226
+#define __NR_lgetxattr		227
+#define __NR_fgetxattr		228
+#define __NR_listxattr		229
+#define __NR_llistxattr		230
+#define __NR_flistxattr		231
+#define __NR_removexattr	232
+#define __NR_lremovexattr	233
+#define __NR_fremovexattr	234
+#define __NR_futex		235
+#define __NR_sendfile64		236
+#define __NR_mincore		237
+#define __NR_madvise		238
+#define __NR_fcntl64		239
+#define __NR_readahead		240
+#define __NR_io_setup		241
+#define __NR_io_destroy		242
+#define __NR_io_getevents	243
+#define __NR_io_submit		244
+#define __NR_io_cancel		245
+#define __NR_fadvise64		246
+#define __NR_exit_group		247
+#define __NR_lookup_dcookie	248
+#define __NR_epoll_create	249
+#define __NR_epoll_ctl		250
+#define __NR_epoll_wait		251
+#define __NR_remap_file_pages	252
+#define __NR_set_tid_address	253
+#define __NR_timer_create	254
+#define __NR_timer_settime	255
+#define __NR_timer_gettime	256
+#define __NR_timer_getoverrun	257
+#define __NR_timer_delete	258
+#define __NR_clock_settime	259
+#define __NR_clock_gettime	260
+#define __NR_clock_getres	261
+#define __NR_clock_nanosleep	262
+#define __NR_statfs64		263
+#define __NR_fstatfs64		264
+#define __NR_tgkill		265
+#define __NR_utimes		266
+#define __NR_fadvise64_64	267
+#define __NR_mbind		268
+#define __NR_get_mempolicy	269
+#define __NR_set_mempolicy	270
+#define __NR_mq_open		271
+#define __NR_mq_unlink		272
+#define __NR_mq_timedsend	273
+#define __NR_mq_timedreceive	274
+#define __NR_mq_notify		275
+#define __NR_mq_getsetattr	276
+#define __NR_waitid		277
+#define __NR_vserver		278
+#define __NR_add_key		279
+#define __NR_request_key	280
+#define __NR_keyctl		281
+#define __NR_ioprio_set		282
+#define __NR_ioprio_get		283
+#define __NR_inotify_init	284
+#define __NR_inotify_add_watch	285
+#define __NR_inotify_rm_watch	286
+#define __NR_migrate_pages	287
+#define __NR_openat		288
+#define __NR_mkdirat		289
+#define __NR_mknodat		290
+#define __NR_fchownat		291
+#define __NR_futimesat		292
+#define __NR_fstatat64		293
+#define __NR_unlinkat		294
+#define __NR_renameat		295
+#define __NR_linkat		296
+#define __NR_symlinkat		297
+#define __NR_readlinkat		298
+#define __NR_fchmodat		299
+#define __NR_faccessat		300
+#define __NR_pselect6		301
+#define __NR_ppoll		302
+#define __NR_unshare		303
+#define __NR_set_robust_list	304
+#define __NR_get_robust_list	305
+#define __NR_splice		306
+#define __NR_sync_file_range	307
+#define __NR_tee		308
+#define __NR_vmsplice		309
+#define __NR_move_pages		310
+#define __NR_sched_setaffinity	311
+#define __NR_sched_getaffinity	312
+#define __NR_kexec_load		313
+#define __NR_getcpu		314
+#define __NR_epoll_pwait	315
+#define __NR_utimensat		316
+#define __NR_signalfd		317
+#define __NR_timerfd_create	318
+#define __NR_eventfd		319
+#define __NR_fallocate		320
+#define __NR_timerfd_settime	321
+#define __NR_timerfd_gettime	322
+#define __NR_signalfd4		323
+#define __NR_eventfd2		324
+#define __NR_epoll_create1	325
+#define __NR_dup3		326
+#define __NR_pipe2		327
+#define __NR_inotify_init1	328
+
+#ifdef __KERNEL__
+
+#define NR_syscalls		329
+
+#define __ARCH_WANT_IPC_PARSE_VERSION
+#define __ARCH_WANT_OLD_READDIR
+#define __ARCH_WANT_OLD_STAT
+#define __ARCH_WANT_STAT64
+#define __ARCH_WANT_SYS_ALARM
+#define __ARCH_WANT_SYS_GETHOSTNAME
+#define __ARCH_WANT_SYS_PAUSE
+#define __ARCH_WANT_SYS_SGETMASK
+#define __ARCH_WANT_SYS_SIGNAL
+#define __ARCH_WANT_SYS_TIME
+#define __ARCH_WANT_SYS_UTIME
+#define __ARCH_WANT_SYS_WAITPID
+#define __ARCH_WANT_SYS_SOCKETCALL
+#define __ARCH_WANT_SYS_FADVISE64
+#define __ARCH_WANT_SYS_GETPGRP
+#define __ARCH_WANT_SYS_LLSEEK
+#define __ARCH_WANT_SYS_NICE
+#define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_SYS_OLDUMOUNT
+#define __ARCH_WANT_SYS_SIGPENDING
+#define __ARCH_WANT_SYS_SIGPROCMASK
+#define __ARCH_WANT_SYS_RT_SIGACTION
+
+/*
+ * "Conditional" syscalls
+ *
+ * What we want is __attribute__((weak,alias("sys_ni_syscall"))),
+ * but it doesn't work on all toolchains, so we just do it by hand
+ */
+//#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall")
+#define cond_syscall(x) long x(void)  __attribute__((weak,alias("sys_ni_syscall")))
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_UBICOM32_UNISTD_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/user.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/user.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/user.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/user.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,82 @@
+/*
+ * arch/ubicom32/include/asm/user.h
+ *   Ubicom32 architecture core file definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_USER_H
+#define _ASM_UBICOM32_USER_H
+
+#include <asm/ptrace.h>
+#include <asm/page.h>
+/*
+ * Adapted from <asm-powerpc/user.h>
+ *
+ * Core file format: The core file is written in such a way that gdb
+ * can understand it and provide useful information to the user (under
+ * linux we use the `trad-core' bfd, NOT the osf-core).  The file contents
+ * are as follows:
+ *
+ *  upage: 1 page consisting of a user struct that tells gdb
+ *	what is present in the file.  Directly after this is a
+ *	copy of the task_struct, which is currently not used by gdb,
+ *	but it may come in handy at some point.  All of the registers
+ *	are stored as part of the upage.  The upage should always be
+ *	only one page long.
+ *  data: The data segment follows next.  We use current->end_text to
+ *	current->brk to pick up all of the user variables, plus any memory
+ *	that may have been sbrk'ed.  No attempt is made to determine if a
+ *	page is demand-zero or if a page is totally unused, we just cover
+ *	the entire range.  All of the addresses are rounded in such a way
+ *	that an integral number of pages is written.
+ *  stack: We need the stack information in order to get a meaningful
+ *	backtrace.  We need to write the data from usp to
+ *	current->start_stack, so we round each of these in order to be able
+ *	to write an integer number of pages.
+ */
+
+struct user_ubicom32fp_struct {
+};
+
+struct user {
+	struct pt_regs	regs;			/* entire machine state */
+	size_t		u_tsize;		/* text size (pages) */
+	size_t		u_dsize;		/* data size (pages) */
+	size_t		u_ssize;		/* stack size (pages) */
+	unsigned long	start_code;		/* text starting address */
+	unsigned long	start_data;		/* data starting address */
+	unsigned long	start_stack;		/* stack starting address */
+	long int	signal;			/* signal causing core dump */
+	unsigned long	u_ar0;			/* help gdb find registers */
+	unsigned long	magic;			/* identifies a core file */
+	char		u_comm[32];		/* user command name */
+};
+
+#define NBPG			PAGE_SIZE
+#define UPAGES			1
+#define HOST_TEXT_START_ADDR	(u.start_code)
+#define HOST_DATA_START_ADDR	(u.start_data)
+#define HOST_STACK_END_ADDR	(u.start_stack + u.u_ssize * NBPG)
+
+#endif	/* _ASM_UBICOM32_USER_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/vdc_tio.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/vdc_tio.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/vdc_tio.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/vdc_tio.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,129 @@
+/*
+ * arch/ubicom32/include/asm/vdc_tio.h
+ *   Ubicom32 architecture VDC TIO definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_VDC_TIO_H
+#define _ASM_UBICOM32_VDC_TIO_H
+
+#include <asm/devtree.h>
+
+#define VDCTIO_VP_VERSION			5
+
+#define VDCTIO_SCALE_FLAG_VSUB			(1 << 9)
+#define VDCTIO_SCALE_FLAG_YUV_SCAN_ORDER	(1 << 8)
+#define VDCTIO_SCALE_FLAG_YUV_BLOCK_ORDER	(1 << 7)
+#define VDCTIO_SCALE_FLAG_YUV			(1 << 6)
+#define VDCTIO_SCALE_FLAG_VRANGE_16_255		(1 << 5)
+#define VDCTIO_SCALE_FLAG_VRANGE_0_255		(1 << 4)
+#define VDCTIO_SCALE_FLAG_HSUB_2_1		(1 << 3)
+#define VDCTIO_SCALE_FLAG_HSUB_1_1		(1 << 2)
+#define VDCTIO_SCALE_FLAG_SET_FRAME_BUFFER	(1 << 1)
+#define VDCTIO_SCALE_FLAG_ENABLE		(1 << 0)
+
+#define VDCTIO_NEXT_FRAME_FLAG_YUV_BIT		0
+#define VDCTIO_NEXT_FRAME_FLAG_YUV		(1 << (VDCTIO_NEXT_FRAME_FLAG_YUV_BIT))
+
+#define VDCTIO_CAPS_SUPPORTS_SCALING		(1 << 0)
+
+#define VDCTIO_COMMAND_START			(1 << 3)
+#define VDCTIO_COMMAND_SET_COEFF		(1 << 2)
+#define VDCTIO_COMMAND_SET_LUT			(1 << 1)
+#define VDCTIO_COMMAND_SET_SCALE_MODE		(1 << 0)
+
+/*
+ * Command / Data registers to access the VDC
+ */
+struct vdc_tio_vp_regs {
+	/*
+	 * Version of this TIO register map
+	 */
+	u32_t		version;
+
+	volatile u32_t	command;
+
+	/*
+	 * Next frame pointer, when the command VDCTIO_COMMAND_SET_FRAME_BUFFER is set,
+	 * the vdc will take the pointer here and display it.
+	 */
+	void		*next_frame;
+	u32_t		next_frame_flags;
+
+	/*
+	 * These map directly into the PIXP registers 0x20-0x80.
+	 * DO NOT change the order of these three variables.
+	 */
+	u32_t		red_lut[6];
+	u32_t		blue_lut[6];
+	u32_t		green_lut[13];
+
+	/*
+	 * These map directly into the PIXP registers 0x04, 0x08
+	 */
+	u32_t		coeff0;
+	u32_t		coeff1;
+
+	/*
+	 * There are used to set the scaling parameters
+	 */
+	u32_t		x_in;
+	u32_t		x_out;
+	u32_t		y_in;
+	u32_t		y_out;
+	u32_t		scale_flags;
+
+	/*
+	 * Current frame number, monotonically increasing number
+	 */
+	u32_t		frame_number;
+
+	/*
+	 * These variables tell the guest OS what the underlying hardware looks like
+	 */
+	u32_t		caps;
+	u32_t		xres;
+	u32_t		yres;
+	u32_t		fb_align;
+	u8_t		bpp;
+	u8_t		rbits;
+	u8_t		gbits;
+	u8_t		bbits;
+	u8_t		rshift;
+	u8_t		gshift;
+	u8_t		bshift;
+};
+
+/*
+ * Devtree node for VDC
+ */
+struct vdc_tio_node {
+	struct devtree_node	dn;
+
+	struct vdc_tio_vp_regs	*regs;
+};
+
+extern void vdc_tio_init(void);
+
+#endif /* _ASM_UBICOM32_VDC_TIO_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/vga.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/vga.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/vga.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/vga.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,71 @@
+/*
+ * arch/ubicom32/include/asm/vga.h
+ *   Ubicom32 low level  VGA/frame buffer definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * (c) 1998 Martin Mares <mj@ucw.cz>
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#ifndef _ASM_UBICOM32_VGA_H
+#define _ASM_UBICOM32_VGA_H
+
+#include <asm/byteorder.h>
+
+/*
+ *	On the PC, we can just recalculate addresses and then
+ *	access the videoram directly without any black magic.
+ */
+
+#define VGA_MAP_MEM(x, s)	(0xb0000000L + (unsigned long)(x))
+
+#define vga_readb(x)	(*(x))
+#define vga_writeb(x, y)	(*(y) = (x))
+
+#define VT_BUF_HAVE_RW
+/*
+ *  These are only needed for supporting VGA or MDA text mode, which use little
+ *  endian byte ordering.
+ *  In other cases, we can optimize by using native byte ordering and
+ *  <linux/vt_buffer.h> has already done the right job for us.
+ */
+
+#undef scr_writew
+#undef scr_readw
+
+static inline void scr_writew(u16 val, volatile u16 *addr)
+{
+	*addr = cpu_to_le16(val);
+}
+
+static inline u16 scr_readw(volatile const u16 *addr)
+{
+	return le16_to_cpu(*addr);
+}
+
+#define scr_memcpyw(d, s, c) memcpy(d, s, c)
+#define scr_memmovew(d, s, c) memmove(d, s, c)
+#define VT_BUF_HAVE_MEMCPYW
+#define VT_BUF_HAVE_MEMMOVEW
+
+#endif /* _ASM_UBICOM32_VGA_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/include/asm/xor.h linux-2.6.30.10-ubi/arch/ubicom32/include/asm/xor.h
--- linux-2.6.30.10/arch/ubicom32/include/asm/xor.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/include/asm/xor.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,33 @@
+/*
+ * arch/ubicom32/include/asm/xor.h
+ *   Generic xor.h definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _ASM_UBICOM32_XOR_H
+#define _ASM_UBICOM32_XOR_H
+
+#include <asm-generic/xor.h>
+
+#endif /* _ASM_UBICOM32_XOR_H */
diff -ruN linux-2.6.30.10/arch/ubicom32/Kconfig linux-2.6.30.10-ubi/arch/ubicom32/Kconfig
--- linux-2.6.30.10/arch/ubicom32/Kconfig	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/Kconfig	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,403 @@
+#
+# For a description of the syntax of this configuration file,
+# see Documentation/kbuild/kconfig-language.txt.
+#
+
+mainmenu "uClinux/ubicom32 (w/o MMU) Kernel Configuration"
+
+config UBICOM32
+	bool
+	select HAVE_OPROFILE
+	default y
+
+config RAMKERNEL
+	bool
+	default y
+
+config CPU_BIG_ENDIAN
+	bool
+	default y
+
+config FORCE_MAX_ZONEORDER
+	int
+	default "14"
+
+config HAVE_CLK
+	bool
+	default y
+
+config MMU
+	bool
+	default n
+
+config FPU
+	bool
+	default n
+
+config ZONE_DMA
+	bool
+	default y
+
+config RWSEM_GENERIC_SPINLOCK
+	bool
+	default y
+
+config RWSEM_XCHGADD_ALGORITHM
+	bool
+	default n
+
+config ARCH_HAS_ILOG2_U32
+	bool
+	default n
+
+config ARCH_HAS_ILOG2_U64
+	bool
+	default n
+
+config GENERIC_FIND_NEXT_BIT
+	bool
+	default y
+
+config GENERIC_GPIO
+	bool
+	default y
+
+config GPIOLIB
+	bool
+	default y
+
+config GENERIC_HWEIGHT
+	bool
+	default y
+
+config GENERIC_HARDIRQS
+	bool
+	default y
+
+config STACKTRACE_SUPPORT
+	bool
+	default y
+
+config LOCKDEP_SUPPORT
+	bool
+	default y
+
+config GENERIC_CALIBRATE_DELAY
+	bool
+	default y
+
+config GENERIC_TIME
+	bool
+	default y
+
+config TIME_LOW_RES
+	bool
+	default y
+
+config GENERIC_CLOCKEVENTS
+	bool
+	default y
+
+config GENERIC_CLOCKEVENTS_BROADCAST
+	bool
+	depends on GENERIC_CLOCKEVENTS
+	default y if SMP && !LOCAL_TIMERS
+
+config NO_IOPORT
+	def_bool y
+
+config ARCH_SUPPORTS_AOUT
+	def_bool y
+
+config IRQ_PER_CPU
+	bool
+	default y
+
+config SCHED_NO_NO_OMIT_FRAME_POINTER
+	bool
+	default y
+
+config UBICOM32_PLIO
+	bool
+	default n
+
+menu "Processor type and features"
+
+comment "Processor type will be selected by Board"
+
+config UBICOM32_V3
+	bool
+	help
+	  Ubicom IP5xxx series processor support.
+
+config UBICOM32_V4
+	bool
+	help
+	  Ubicom IP7xxx series processor support.
+
+comment "Board"
+choice
+	prompt "Board type"
+	help
+		Select your board.
+
+config NOBOARD
+	bool "No board selected"
+	help
+		Default. Don't select any board specific config. Will not build unless you change!
+
+# Add your boards here
+source "arch/ubicom32/mach-ip5k/Kconfig"
+source "arch/ubicom32/mach-ip7k/Kconfig"
+
+endchoice
+
+comment "Kernel Options"
+config SMP
+	bool "Symmetric multi-processing support"
+	select USE_GENERIC_SMP_HELPERS
+	default n
+	help
+	  Enables multithreading support.  Enabling SMP support increases
+	  the size of system data structures.  SMP support can have either
+	  positive or negative impact on performance depending on workloads.
+
+	  If you do not know what to do here, say N.
+config OLD_40400010_SYSTEM_CALL
+	bool "Provide old system call interface at 0x40400010"
+	default y
+	help
+	  Provides the old system call interface, does not affect the
+	  new system_call interface.
+
+config NR_CPUS
+	int "Number of configured CPUs"
+	range 2 32
+	default 2
+	depends on SMP
+	help
+		Upper bound on the number of CPUs. Space is reserved
+		at compile time for this many CPUs.
+
+config LOCAL_TIMERS
+	bool "Use local timer interrupts"
+	depends on SMP
+	default y
+	help
+	  Enable support for local timers on SMP platforms, rather then the
+	  legacy IPI broadcast method.  Local timers allows the system
+	  accounting to be spread across the timer interval, preventing a
+	  "thundering herd" at every timer tick.  A physical timer is allocated
+	  per cpu.
+
+config TIMER_EXTRA_ALLOC
+	int "Number of additional physical timer events to create"
+	depends on GENERIC_CLOCKEVENTS
+	default 0
+	help
+		The Ubicom32 processor has a number of event timers that can be wrapped
+		in Linux clock event structures (assuming that the timers are not being
+		used for another purpose).  Based on the value of LOCAL_TIMERS, either
+		2 timers will be used or a timer will be used for every CPU.  This value
+		allows the programmer to select additional timers over that amount.
+
+config IRQSTACKS
+	bool "Create separate stacks for interrupt handling"
+	default n
+	help
+		Selecting this causes interrupts to be created on a separate
+		stack instead of nesting the interrupts on the kernel stack.
+
+config IRQSTACKS_USEOCM
+	bool "Use OCM for interrupt stacks"
+	default n
+	depends on IRQSTACKS
+	help
+		Selecting this cause the interrupt stacks to be placed in OCM
+		reducing cache misses at the expense of using the OCM for servicing
+		interrupts.
+
+menu "OCM Instruction Heap"
+
+config OCM_MODULES_RESERVATION
+	int "OCM Instruction heap reservation. 0-192 kB"
+	range 0 192
+	default "0"
+	help
+	  The minimum amount of OCM memory to reserve for kernel loadable module
+	  code. If you are not using this memory it cannot be used for anything
+	  else. Leave it as 0 if you have prebuilt modules that are compiled with
+	  OCM support.
+
+config OCM_MODULES_MAY_CONSUME_REMAINING_CODESPACE
+	bool "Give all unused ocm code space to the ocm instruction heap."
+	default n
+	help
+	  Allow the OCM instruction heap allocation to consume any remaining
+	  unused OCM code space.  The result of this is that you will not have
+	  and deterministic results, but you will not have any waste either.
+
+config OCM_MODULES_FALLBACK_TO_DDR
+	bool "Loadable Modules requiring OCM may fallback to use DDR."
+	default n
+	help
+	  If a module cannot get the OCM code it requires allow DDR to
+	  be used instead.
+endmenu
+
+config HZ
+	int "Frequency of 'jiffies' (for polling)"
+	default 1000
+	help
+		100 is common for embedded systems, but 1000 allows
+		you to do more drivers without actually having
+		interrupts working properly.
+
+comment "RAM configuration"
+
+config MIN_RAMSIZE
+	hex "Minimum Size of RAM (in bytes)"
+	range 0x01000000 0x08000000
+	default "0x02000000"
+	help
+		Define the minimum acceptable size of the system
+		RAM. Must be at least 16MB (0x01000000)
+
+comment "Build options"
+config LINKER_RELAXATION
+	bool "Linker Relaxation"
+	default y
+	help
+	  Turns on linker relaxation that will produce smaller
+	  faster code. Increases link time.
+
+comment "Driver options"
+menu "PCI Bus"
+config PCI
+	bool "PCI bus"
+	default true
+	help
+	  Enable/Disable PCI bus
+	source "drivers/pci/Kconfig"
+
+
+config PCI_DEV0_IDSEL
+	hex "slot 0 address"
+	depends on PCI
+	default "0x01000000"
+	help
+	  Slot 0 address.  This address should correspond to the address line
+	  which the IDSEL bit for this slot is connected to.
+
+config PCI_DEV1_IDSEL
+	hex "slot 1 address"
+	depends on PCI
+	default "0x02000000"
+	help
+	  Slot 1 address.  This address should correspond to the address line
+	  which the IDSEL bit for this slot is connected to.
+endmenu
+# End PCI
+
+menu "Input devices"
+config UBICOM_INPUT
+	bool "Ubicom polled GPIO input driver"
+	select INPUT
+	select INPUT_POLLDEV
+	help
+		Polling input driver, much like the GPIO input driver, except that it doesn't
+		rely on interrupts.  It will report events via the input subsystem.
+	default n
+
+config UBICOM_INPUT_I2C
+	bool "Ubicom polled GPIO input driver over I2C"
+	select INPUT
+	select INPUT_POLLDEV
+	help
+		Polling input driver, much like the PCA953x driver, it can support a variety of
+		different I2C I/O expanders.  This device polls the I2C I/O expander for events
+		and reports them via the input subsystem.
+	default n
+endmenu
+# Input devices
+
+source "arch/ubicom32/mach-common/Kconfig.switch"
+
+menu "Misc devices"
+config UBICOM_HID
+	bool "Ubicom HID driver"
+	select INPUT
+	select INPUT_POLLDEV
+	select LCD_CLASS_DEVICE
+	help
+		Driver for HID chip found on some Ubicom reference designs.  This chip handles
+		PWM, button input, and IR remote control.  It registers as an input device and
+		a backlight device.
+	default n
+endmenu
+# Misc devices
+
+config CMDLINE_BOOL
+	bool "Built-in kernel command line"
+	default n
+	help
+	  Allow for specifying boot arguments to the kernel at
+	  build time.  On some systems (e.g. embedded ones), it is
+	  necessary or convenient to provide some or all of the
+	  kernel boot arguments with the kernel itself (that is,
+	  to not rely on the boot loader to provide them.)
+
+	  To compile command line arguments into the kernel,
+	  set this option to 'Y', then fill in the
+	  the boot arguments in CONFIG_CMDLINE.
+
+	  Systems with fully functional boot loaders (i.e. non-embedded)
+	  should leave this option set to 'N'.
+
+config CMDLINE
+	string "Built-in kernel command string"
+	depends on CMDLINE_BOOL
+	default ""
+	help
+	  Enter arguments here that should be compiled into the kernel
+	  image and used at boot time.  If the boot loader provides a
+	  command line at boot time, it is appended to this string to
+	  form the full kernel command line, when the system boots.
+
+	  However, you can use the CONFIG_CMDLINE_OVERRIDE option to
+	  change this behavior.
+
+	  In most cases, the command line (whether built-in or provided
+	  by the boot loader) should specify the device for the root
+	  file system.
+
+config CMDLINE_OVERRIDE
+	bool "Built-in command line overrides boot loader arguments"
+	default n
+	depends on CMDLINE_BOOL
+	help
+	  Set this option to 'Y' to have the kernel ignore the boot loader
+	  command line, and use ONLY the built-in command line.
+
+	  This is used to work around broken boot loaders.  This should
+	  be set to 'N' under normal conditions.
+
+endmenu
+# End Processor type and features
+
+source "arch/ubicom32/Kconfig.debug"
+
+menu "Executable file formats"
+source "fs/Kconfig.binfmt"
+endmenu
+
+source "init/Kconfig"
+source "kernel/Kconfig.preempt"
+source "kernel/time/Kconfig"
+source "mm/Kconfig"
+source "net/Kconfig"
+source "drivers/Kconfig"
+source "fs/Kconfig"
+source "security/Kconfig"
+source "crypto/Kconfig"
+source "lib/Kconfig"
diff -ruN linux-2.6.30.10/arch/ubicom32/Kconfig.debug linux-2.6.30.10-ubi/arch/ubicom32/Kconfig.debug
--- linux-2.6.30.10/arch/ubicom32/Kconfig.debug	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/Kconfig.debug	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,129 @@
+menu "Kernel hacking"
+
+config TRACE_IRQFLAGS_SUPPORT
+	def_bool y
+
+config DEBUG_VERBOSE
+        bool "Verbose fault messages"
+        default y
+        select PRINTK
+        help
+          When a program crashes due to an exception, or the kernel detects
+          an internal error, the kernel can print a not so brief message
+          explaining what the problem was. This debugging information is
+          useful to developers and kernel hackers when tracking down problems,
+          but mostly meaningless to other people. This is always helpful for
+          debugging but serves no purpose on a production system.
+          Most people should say N here.
+
+config PROTECT_KERNEL
+	default y
+	bool 'Enable Kernel range register Protection'
+	help
+	  Adds code to enable/disable range registers to protect static
+	  kernel code/data from userspace.  Currently the ranges covered
+	  do no protect kernel loadable modules or dynamically allocated
+	  kernel data.
+
+config NO_KERNEL_MSG
+	bool "Suppress Kernel BUG Messages"
+	help
+	  Do not output any debug BUG messages within the kernel.
+
+config EARLY_PRINTK
+	bool "Use the driver that you selected as console also for early printk (to debug kernel bootup)."
+	default n
+	help
+	  If you want to use the serdes driver (console=ttyUS0) for
+	  early printk, you must also supply an additional kernel boot
+	  parameter like this:
+
+		serdes=ioportaddr,irq,clockrate,baud
+
+	  For an IP7160RGW eval board, you could use this:
+
+		serdes=0x2004000,61,250000000,57600
+
+	  which will let you see early printk output at 57600 baud.
+
+config STOP_ON_TRAP
+	bool "Enable stopping at the LDSR for all traps"
+	default n
+	help
+	Cause the LDSR to stop all threads whenever a trap is about to be serviced
+
+config STOP_ON_BUG
+	bool "Enable stopping on failed BUG_ON()"
+	default n
+	help
+	Cause all BUG_ON failures to stop all threads
+
+config DEBUG_IRQMEASURE
+	bool "Enable IRQ handler measurements"
+	default n
+	help
+	When enabled each IRQ's min/avg/max times will be printed.  If the handler
+	re-enables interrupt, the times will show the full time including to service
+	nested interrupts.  See /proc/irq_measurements.
+
+config DEBUG_PCIMEASURE
+	bool "Enable PCI transaction measurements"
+	default n
+	help
+	When enabled the system will measure the min/avg/max timer for each PCI transactions.
+	See /proc/pci_measurements.
+
+config ACCESS_OK_CHECKS_ENABLED
+	bool "Enable user space access checks"
+	default n
+	help
+	Enabling this check causes the kernel to verify that addresses passed
+	to the kernel by the user space code are within the processes
+	address space.  On a no-mmu system, this is done by examining the
+	processes memory data structures (adversly affecting performance) but
+	ensuring that a process does not ask the kernel to violate another
+	processes address space.  Sadly, the kernel uses access_ok() for
+	address that are in the kernel which results in a large volume of
+	false positives.
+
+choice
+	prompt "Unaligned Access Support"
+	default UNALIGNED_ACCESS_ENABLED
+	help
+		Kernel / Userspace unaligned access handling.
+
+config  UNALIGNED_ACCESS_ENABLED
+	bool "Kernel and Userspace"
+	help
+
+config  UNALIGNED_ACCESS_USERSPACE_ONLY
+	bool "Userspace Only"
+	help
+
+config  UNALIGNED_ACCESS_DISABLED
+	bool "Disabled"
+	help
+
+endchoice
+
+config DEBUG_STACKOVERFLOW
+	bool "Check for stack overflows"
+	default n
+	depends on DEBUG_KERNEL
+	help
+	  This option will cause messages to be printed if free kernel stack space
+	  drops below a certain limit (THREAD_SIZE /8).
+
+config DEBUG_STACK_USAGE
+	bool "Stack utilization instrumentation"
+	default n
+	depends on DEBUG_KERNEL
+	help
+	  Enables the display of the minimum amount of free kernel stack which each
+	  task has ever had available in the sysrq-T and sysrq-P debug output.
+
+	  This option will slow down process creation somewhat.
+
+source "lib/Kconfig.debug"
+
+endmenu
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/asm-offsets.c linux-2.6.30.10-ubi/arch/ubicom32/kernel/asm-offsets.c
--- linux-2.6.30.10/arch/ubicom32/kernel/asm-offsets.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/asm-offsets.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,161 @@
+/*
+ * arch/ubicom32/kernel/asm-offsets.c
+ *   Ubicom32 architecture definitions needed by assembly language modules.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+/*
+ * This program is used to generate definitions needed by
+ * assembly language modules.
+ *
+ * We use the technique used in the OSF Mach kernel code:
+ * generate asm statements containing #defines,
+ * compile this file to assembler, and then extract the
+ * #defines from the assembly-language output.
+ */
+
+#include <linux/module.h>
+#include <linux/stddef.h>
+#include <linux/sched.h>
+#include <linux/kernel_stat.h>
+#include <linux/ptrace.h>
+#include <linux/hardirq.h>
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+#include <asm/thread_info.h>
+
+#define DEFINE(sym, val) \
+        asm volatile("\n->" #sym " %0 " #val : : "i" (val))
+
+#define BLANK() asm volatile("\n->" : : )
+
+int main(void)
+{
+	/* offsets into the task struct */
+	DEFINE(TASK_STATE, offsetof(struct task_struct, state));
+	DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
+	DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
+	DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked));
+	DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
+	DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, stack));
+	DEFINE(TASK_MM, offsetof(struct task_struct, mm));
+	DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
+
+	/* offsets into the kernel_stat struct */
+//	DEFINE(STAT_IRQ, offsetof(struct kernel_stat, irqs));
+
+	/* offsets into the irq_cpustat_t struct */
+	DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending));
+
+	/* offsets into the thread struct */
+	DEFINE(THREAD_D10, offsetof(struct thread_struct, d10));
+	DEFINE(THREAD_D11, offsetof(struct thread_struct, d11));
+	DEFINE(THREAD_D12, offsetof(struct thread_struct, d12));
+	DEFINE(THREAD_D13, offsetof(struct thread_struct, d13));
+	DEFINE(THREAD_A1, offsetof(struct thread_struct, a1));
+	DEFINE(THREAD_A2, offsetof(struct thread_struct, a2));
+	DEFINE(THREAD_A5, offsetof(struct thread_struct, a5));
+	DEFINE(THREAD_A6, offsetof(struct thread_struct, a6));
+	DEFINE(THREAD_SP, offsetof(struct thread_struct, sp));
+
+	/* offsets into the pt_regs */
+	DEFINE(PT_D0, offsetof(struct pt_regs, dn[0]));
+	DEFINE(PT_D1, offsetof(struct pt_regs, dn[1]));
+	DEFINE(PT_D2, offsetof(struct pt_regs, dn[2]));
+	DEFINE(PT_D3, offsetof(struct pt_regs, dn[3]));
+	DEFINE(PT_D4, offsetof(struct pt_regs, dn[4]));
+	DEFINE(PT_D5, offsetof(struct pt_regs, dn[5]));
+	DEFINE(PT_D6, offsetof(struct pt_regs, dn[6]));
+	DEFINE(PT_D7, offsetof(struct pt_regs, dn[7]));
+	DEFINE(PT_D8, offsetof(struct pt_regs, dn[8]));
+	DEFINE(PT_D9, offsetof(struct pt_regs, dn[9]));
+	DEFINE(PT_D10, offsetof(struct pt_regs, dn[10]));
+	DEFINE(PT_D11, offsetof(struct pt_regs, dn[11]));
+	DEFINE(PT_D12, offsetof(struct pt_regs, dn[12]));
+	DEFINE(PT_D13, offsetof(struct pt_regs, dn[13]));
+	DEFINE(PT_D14, offsetof(struct pt_regs, dn[14]));
+	DEFINE(PT_D15, offsetof(struct pt_regs, dn[15]));
+	DEFINE(PT_A0, offsetof(struct pt_regs, an[0]));
+	DEFINE(PT_A1, offsetof(struct pt_regs, an[1]));
+	DEFINE(PT_A2, offsetof(struct pt_regs, an[2]));
+	DEFINE(PT_A3, offsetof(struct pt_regs, an[3]));
+	DEFINE(PT_A4, offsetof(struct pt_regs, an[4]));
+	DEFINE(PT_A5, offsetof(struct pt_regs, an[5]));
+	DEFINE(PT_A6, offsetof(struct pt_regs, an[6]));
+	DEFINE(PT_A7, offsetof(struct pt_regs, an[7]));
+	DEFINE(PT_SP, offsetof(struct pt_regs, an[7]));
+
+	DEFINE(PT_ACC0HI, offsetof(struct pt_regs, acc0[0]));
+	DEFINE(PT_ACC0LO, offsetof(struct pt_regs, acc0[1]));
+	DEFINE(PT_MAC_RC16, offsetof(struct pt_regs, mac_rc16));
+
+	DEFINE(PT_ACC1HI, offsetof(struct pt_regs, acc1[0]));
+	DEFINE(PT_ACC1LO, offsetof(struct pt_regs, acc1[1]));
+
+	DEFINE(PT_SOURCE3, offsetof(struct pt_regs, source3));
+	DEFINE(PT_INST_CNT, offsetof(struct pt_regs, inst_cnt));
+	DEFINE(PT_CSR, offsetof(struct pt_regs, csr));
+	DEFINE(PT_DUMMY_UNUSED, offsetof(struct pt_regs, dummy_unused));
+
+	DEFINE(PT_INT_MASK0, offsetof(struct pt_regs, int_mask0));
+	DEFINE(PT_INT_MASK1, offsetof(struct pt_regs, int_mask1));
+
+	DEFINE(PT_PC, offsetof(struct pt_regs, pc));
+
+	DEFINE(PT_TRAP_CAUSE, offsetof(struct pt_regs, trap_cause));
+
+	DEFINE(PT_SIZE, sizeof(struct pt_regs));
+
+	DEFINE(PT_FRAME_TYPE, offsetof(struct pt_regs, frame_type));
+
+	DEFINE(PT_ORIGINAL_D0, offsetof(struct pt_regs, original_dn_0));
+	DEFINE(PT_PREVIOUS_PC, offsetof(struct pt_regs, previous_pc));
+
+	/* offsets into the kernel_stat struct */
+//	DEFINE(STAT_IRQ, offsetof(struct kernel_stat, irqs));
+
+	/* signal defines */
+	DEFINE(SIGSEGV, SIGSEGV);
+	//DEFINE(SEGV_MAPERR, SEGV_MAPERR);
+	DEFINE(SIGTRAP, SIGTRAP);
+	//DEFINE(TRAP_TRACE, TRAP_TRACE);
+
+	DEFINE(PT_PTRACED, PT_PTRACED);
+	DEFINE(PT_DTRACE, PT_DTRACE);
+
+	DEFINE(ASM_THREAD_SIZE, THREAD_SIZE);
+
+	/* Offsets in thread_info structure */
+	DEFINE(TI_TASK, offsetof(struct thread_info, task));
+	DEFINE(TI_EXECDOMAIN, offsetof(struct thread_info, exec_domain));
+	DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
+	DEFINE(TI_PREEMPTCOUNT, offsetof(struct thread_info, preempt_count));
+	DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
+	DEFINE(TI_INTR_NESTING, offsetof(struct thread_info, interrupt_nesting));
+	DEFINE(ASM_TIF_NEED_RESCHED, TIF_NEED_RESCHED);
+	DEFINE(ASM_TIF_SYSCALL_TRACE, TIF_SYSCALL_TRACE);
+	DEFINE(ASM_TIF_SIGPENDING, TIF_SIGPENDING);
+
+	return 0;
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/devtree.c linux-2.6.30.10-ubi/arch/ubicom32/kernel/devtree.c
--- linux-2.6.30.10/arch/ubicom32/kernel/devtree.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/devtree.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,173 @@
+/*
+ * arch/ubicom32/kernel/devtree.c
+ *   Ubicom32 architecture device tree implementation.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <asm/devtree.h>
+
+/*
+ * The device tree.
+ */
+struct devtree_node *devtree;
+
+/*
+ * devtree_print()
+ *	Print the device tree.
+ */
+void devtree_print(void)
+{
+	struct devtree_node *p = devtree;
+	printk(KERN_INFO "Device Tree:\n");
+	while (p) {
+		if (p->magic != DEVTREE_NODE_MAGIC) {
+			printk(KERN_EMERG
+			       "device tree has improper node: %p\n", p);
+			return;
+		}
+		printk(KERN_INFO "\t%p: sendirq=%03d, recvirq=%03d, "
+		       " name=%s\n", p, p->sendirq, p->recvirq, p->name);
+		p = p->next;
+	}
+}
+EXPORT_SYMBOL(devtree_print);
+
+/*
+ * devtree_irq()
+ *	Return the IRQ(s) associated with devtree node.
+ */
+int devtree_irq(struct devtree_node *dn,
+		unsigned char *sendirq,
+		unsigned char *recvirq)
+{
+	if (dn->magic != DEVTREE_NODE_MAGIC) {
+		printk(KERN_EMERG "improper node: %p\n", dn);
+		if (sendirq) {
+			*sendirq = DEVTREE_IRQ_NONE;
+		}
+		if (recvirq) {
+			*recvirq = DEVTREE_IRQ_NONE;
+		}
+		return -EFAULT;
+	}
+
+	/*
+	 * Copy the devtree irq(s) to the output parameters.
+	 */
+	if (sendirq) {
+		*sendirq = dn->sendirq;
+	}
+	if (recvirq) {
+		*recvirq = dn->recvirq;
+	}
+	return 0;
+}
+EXPORT_SYMBOL(devtree_irq);
+
+/*
+ * devtree_find_next()
+ *	Provide an iterator for walking the device tree.
+ */
+struct devtree_node *devtree_find_next(struct devtree_node **cur)
+{
+	struct devtree_node *p = *cur;
+	if (!p) {
+		*cur = devtree;
+		return devtree;
+	}
+	p = p->next;
+	*cur = p;
+	return p;
+}
+
+/*
+ * devtree_find_by_irq()
+ *	Return the node associated with a given irq.
+ */
+struct devtree_node *devtree_find_by_irq(uint8_t sendirq, uint8_t recvirq)
+{
+	struct devtree_node *p = devtree;
+
+	if (sendirq == recvirq) {
+		printk(KERN_EMERG "identical request makes no sense sendirq = "
+		       "%d, recvirq= %d\n", sendirq, recvirq);
+		return NULL;
+	}
+
+	while (p) {
+		if (p->magic != DEVTREE_NODE_MAGIC) {
+			printk(KERN_EMERG
+			       "device tree has improper node: %p\n", p);
+			return NULL;
+		}
+
+		/*
+		 * See if we can find a match on the IRQ(s) specified.
+		 */
+		if ((sendirq == p->sendirq) && (recvirq == p->recvirq)) {
+			return p;
+		}
+
+		if ((sendirq == DEVTREE_IRQ_DONTCARE) &&
+		    (p->recvirq == recvirq)) {
+			return p;
+		}
+
+		if ((recvirq == DEVTREE_IRQ_DONTCARE) &&
+		    (p->sendirq == sendirq)) {
+			return p;
+		}
+
+		p = p->next;
+	}
+	return NULL;
+}
+EXPORT_SYMBOL(devtree_find_by_irq);
+
+/*
+ * devtree_find_node()
+ *	Find a node in the device tree by name.
+ */
+struct devtree_node *devtree_find_node(const char *str)
+{
+	struct devtree_node *p = devtree;
+	while (p) {
+		if (p->magic != DEVTREE_NODE_MAGIC) {
+			printk(KERN_EMERG
+			       "device tree has improper node: %p\n", p);
+			return NULL;
+		}
+		if (strcmp(p->name, str) == 0) {
+			return p;
+		}
+		p = p->next;
+	}
+	return NULL;
+}
+EXPORT_SYMBOL(devtree_find_node);
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/dma.c linux-2.6.30.10-ubi/arch/ubicom32/kernel/dma.c
--- linux-2.6.30.10/arch/ubicom32/kernel/dma.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/dma.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,60 @@
+/*
+ * arch/ubicom32/kernel/dma.c
+ *   Ubicom32 architecture dynamic DMA mapping support.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ *
+ * We never have any address translations to worry about, so this
+ * is just alloc/free.
+ */
+
+#include <linux/types.h>
+#include <linux/mm.h>
+#include <linux/string.h>
+#include <linux/device.h>
+#include <linux/io.h>
+
+void *dma_alloc_coherent(struct device *dev, size_t size,
+			   dma_addr_t *dma_handle, int gfp)
+{
+	void *ret;
+	/* ignore region specifiers */
+	gfp &= ~(__GFP_DMA | __GFP_HIGHMEM);
+
+	if (dev == NULL || (*dev->dma_mask < 0xffffffff))
+		gfp |= GFP_DMA;
+	ret = (void *)__get_free_pages(gfp, get_order(size));
+
+	if (ret != NULL) {
+		memset(ret, 0, size);
+		*dma_handle = virt_to_phys(ret);
+	}
+	return ret;
+}
+
+void dma_free_coherent(struct device *dev, size_t size,
+			 void *vaddr, dma_addr_t dma_handle)
+{
+	free_pages((unsigned long)vaddr, get_order(size));
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/flat.c linux-2.6.30.10-ubi/arch/ubicom32/kernel/flat.c
--- linux-2.6.30.10/arch/ubicom32/kernel/flat.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/flat.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,206 @@
+/*
+ * arch/ubicom32/kernel/flat.c
+ *   Ubicom32 architecture flat executable format support.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/flat.h>
+
+unsigned long ubicom32_flat_get_addr_from_rp(unsigned long *rp,
+					     u32_t relval,
+					     u32_t flags,
+					     unsigned long *persistent)
+{
+	u32_t relval_reloc_type = relval >> 27;
+	u32_t insn = *rp;
+
+	if (*persistent) {
+		/*
+		 * relval holds the relocation that has to be adjusted.
+		 */
+		if (relval == 0) {
+			*persistent = 0;
+		}
+
+		return relval;
+	}
+
+	if (relval_reloc_type == R_UBICOM32_32) {
+		/*
+		 * insn holds the relocation
+		 */
+		return insn;
+	}
+
+	/*
+	 * We don't know this one.
+	 */
+	return 0;
+}
+
+void ubicom32_flat_put_addr_at_rp(unsigned long *rp,
+				  u32_t val,
+				  u32_t relval,
+				  unsigned long *persistent)
+{
+	u32_t reloc_type = (relval >> 27) & 0x1f;
+	u32_t insn = *rp;
+
+	/*
+	 * If persistent is set then it contains the relocation type.
+	 */
+	if (*persistent) {
+		/*
+		 * If persistent is set then it contains the relocation type.
+		 */
+		reloc_type = (*persistent >> 27) & 0x1f;
+	}
+
+	switch (reloc_type) {
+	case R_UBICOM32_32:
+		/*
+		 * Store the 32 bits as is.
+		 */
+		*rp = val;
+		break;
+	case R_UBICOM32_HI24:
+		{
+			/*
+			 * 24 bit relocation that is part of the MOVEAI
+			 * instruction. The 24 bits come from bits 7 - 30 of the
+			 * relocation. The 24 bits eventually get split into 2
+			 * fields in the instruction encoding.
+			 *
+			 * - Bits 7 - 27 of the relocation are encoded into bits
+			 * 0 - 20 of the instruction.
+			 *
+			 * - Bits 28 - 30 of the relocation are encoded into bit
+			 * 24 - 26 of the instruction.
+			 */
+			u32_t mask = 0x1fffff | (0x7 << 24);
+			u32_t valid24bits = (val >> 7) & 0xffffff;
+			u32_t bot_21 = valid24bits & 0x1fffff;
+			u32_t upper_3_bits = ((valid24bits & 0xe00000) << 3);
+			insn &= ~mask;
+
+			insn |= bot_21;
+			insn |= upper_3_bits;
+			*rp = insn;
+		}
+		break;
+	case R_UBICOM32_LO7_S:
+	case R_UBICOM32_LO7_2_S:
+	case R_UBICOM32_LO7_4_S:
+		{
+			/*
+			 * Bits 0 - 6 of the relocation are encoded into the
+			 * 7bit unsigned immediate fields of the SOURCE-1 field
+			 * of the instruction.  The immediate value is left
+			 * shifted by (0, 1, 2) based on the operand size.
+			 */
+			u32_t mask = 0x1f | (0x3 << 8);
+			u32_t bottom, top;
+			val &= 0x7f;
+			if (reloc_type == R_UBICOM32_LO7_2_S) {
+				val >>= 1;
+			} else if (reloc_type == R_UBICOM32_LO7_4_S) {
+				val >>= 2;
+			}
+
+			bottom  = val & 0x1f;
+			top = val >> 5;
+			insn &= ~mask;
+			insn |= bottom;
+			insn |= (top << 8);
+			BUG_ON(*rp != insn);
+			*rp = insn;
+			break;
+		}
+	case R_UBICOM32_LO7_D:
+	case R_UBICOM32_LO7_2_D:
+	case R_UBICOM32_LO7_4_D:
+		{
+			/*
+			 * Bits 0 - 6 of the relocation are encoded into the
+			 * 7bit unsigned immediate fields of the DESTINATION
+			 * field of the instruction.  The immediate value is
+			 * left shifted by (0, 1, 2) based on the operand size.
+			 */
+			u32_t mask = (0x1f | (0x3 << 8)) << 16;
+			u32_t bottom, top;
+			val &= 0x7f;
+			if (reloc_type == R_UBICOM32_LO7_2_D) {
+				val >>= 1;
+			} else if (reloc_type == R_UBICOM32_LO7_4_D) {
+				val >>= 2;
+			}
+			bottom  = (val & 0x1f) << 16;
+			top = (val >> 5) << 16;
+			insn &= ~mask;
+			insn |= bottom;
+			insn |= (top << 8);
+			BUG_ON(*rp != insn);
+			*rp = insn;
+			break;
+		}
+	case R_UBICOM32_LO7_CALLI:
+	case R_UBICOM32_LO16_CALLI:
+		{
+			/*
+			 * Extract the offset for a CALLI instruction. The
+			 * offsets can be either 7 bits or 18 bits. Since all
+			 * instructions in ubicom32 architecture are at work
+			 * aligned addresses the truncated offset is right
+			 * shifted by 2 before being encoded in the instruction.
+			 */
+			if (reloc_type == R_UBICOM32_LO7_CALLI) {
+				val &= 0x7f;
+			} else {
+				val &= 0x3ffff;
+			}
+
+			val >>= 2;
+
+			insn &= ~0x071f071f;
+			insn |= (val & 0x1f) << 0;
+			val >>= 5;
+			insn |= (val & 0x07) << 8;
+			val >>= 3;
+			insn |= (val & 0x1f) << 16;
+			val >>= 5;
+			insn |= (val & 0x07) << 24;
+			if (reloc_type == R_UBICOM32_LO7_CALLI) {
+				BUG_ON(*rp != insn);
+			}
+			*rp = insn;
+		}
+		break;
+	}
+
+	if (*persistent) {
+		*persistent = 0;
+	}
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/head.S linux-2.6.30.10-ubi/arch/ubicom32/kernel/head.S
--- linux-2.6.30.10/arch/ubicom32/kernel/head.S	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/head.S	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,273 @@
+/*
+ * arch/ubicom32/kernel/head.S
+ *	<TODO: Replace with short file description>
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/sys.h>
+#include <linux/linkage.h>
+#include <asm/asm-offsets.h>
+#include <asm/page_offset.h>
+#define __ASM__
+#include <asm/ip5000.h>
+
+
+#define SRC_AN A3
+#define DST_AN A4
+
+#define PARAM_DN D0
+#define TMP_DN D15
+#define TMP2_DN D14
+
+/*
+ * The following code is placed at the start of the Linux section of memory.
+ * This is the primary entry point for Linux.
+ *
+ * However, we also want the syscall entry/exit code to be at a fixed address.
+ * So we take the primary entry point and reserve 16 bytes.  That address is
+ * where the system_call entry point exists.  This 16 bytes basically allows
+ * us to jump around the system_call entry point code to the actual startup
+ * code.
+ *
+ * Linux Memory Map (see vlinux.lds.S):
+ * 0x40400000 - Primary Entry Point for Linux (jump around code below).
+ * 0x40400010 - Old syscall Entry Point.
+ */
+
+	.sect	.skip_syscall, "ax", @progbits
+	.global	__skip_syscall_section
+__skip_syscall_section:
+	moveai		A3, #%hi(_start)
+	lea.1		A3, %lo(_start)(A3)
+	ret		A3
+/*
+ * __os_node_offset contains the offset from KERNELBASE to the os_node, it is
+ * not intended to be used by anything except the boot code.
+ */
+__os_node_offset:
+.long	(_os_node - KERNELSTART)
+
+.text
+.global	_start
+
+/*
+ * start()
+ *	This is the start of the Linux kernel.
+ */
+_start:
+	move.4		SCRATCHPAD1, #0
+
+
+/*
+ * Setup the range registers... the loader has setup a few, but we will go ahead
+ * and correct them for our own limits. Note that once set these are never
+ * changed again.  The ranges are as follows
+ *
+ *  D_RANGE0 - io block (set up by loaded)
+ *
+ *  I_RANGE0 and D_RANGE1 - kernel/ultra loader address space bottom of ocm-> top
+ *	of ram typically 0x3ffc0000 - 0x440000000
+ *  I_RANGE1 - kernel / userspace transition area (aka syscalls, context switches)
+ *	typically 0x3FFC0030 - ~0x3FFC0200
+ *  I_RANGE2 / D_RANGE2 - slab area
+ *	typically 0x40A00000 - ~0x44000000
+ *  I_RANGE3
+ *	old system call interface if enabled.
+ *
+ *   D_RANGE3, D_RANGE4 - unused.
+ */
+	moveai		SRC_AN, #%hi(PAGE_OFFSET_RAW)
+	lea.4		SRC_AN, %lo(PAGE_OFFSET_RAW)(SRC_AN)
+	move.4		D_RANGE1_LO, SRC_AN
+	move.4		I_RANGE0_LO, SRC_AN
+
+; don't try to calculate I_RANGE_HI, see below
+;	moveai		SRC_AN, #%hi(___init_end-4)
+;	lea.4		SRC_AN, %lo(___init_end-4)(SRC_AN)
+;	move.4		I_RANGE0_HI, SRC_AN
+
+	moveai		SRC_AN, #%hi(SDRAMSTART + CONFIG_MIN_RAMSIZE-4)
+	lea.4		SRC_AN, %lo(SDRAMSTART + CONFIG_MIN_RAMSIZE-4)(SRC_AN)
+	move.4		D_RANGE1_HI, SRC_AN
+
+; for now allow the whole ram to be executable as well so we don't run into problems
+; once we load user more code.
+	move.4		I_RANGE0_HI, SRC_AN
+
+#ifdef CONFIG_PROTECT_KERNEL
+; when kernel protection is enabled, we only open up syscall and non kernel text
+; for userspace apps, for now only irange registers registers 1 and 2 are used for userspace.
+
+	;; syscall range
+	moveai		SRC_AN, #%hi(__syscall_text_run_begin)
+	lea.4		SRC_AN, %lo(__syscall_text_run_begin)(SRC_AN)
+	move.4		I_RANGE1_LO, SRC_AN
+	moveai		SRC_AN, #%hi(__syscall_text_run_end)
+	lea.4		SRC_AN, %lo(__syscall_text_run_end)(SRC_AN)
+	move.4		I_RANGE1_HI, SRC_AN
+
+	;; slab instructions
+	moveai		SRC_AN, #%hi(_edata)
+	lea.4		SRC_AN, %lo(_edata)(SRC_AN)
+	move.4		I_RANGE2_LO, SRC_AN
+	;; End of DDR is already in range0 hi so just copy it.
+	move.4		I_RANGE2_HI, I_RANGE0_HI
+
+#ifdef CONFIG_OLD_40400010_SYSTEM_CALL
+	;; create a small hole for old syscall location
+	moveai		SRC_AN, #%hi(0x40400000)
+	lea.4		I_RANGE3_LO, 0x10(SRC_AN)
+	lea.4		I_RANGE3_HI, 0x14(SRC_AN)
+#endif
+	;; slab data (same as slab instructions but starting a little earlier).
+	moveai		SRC_AN, #%hi(_data_protection_end)
+	lea.4		SRC_AN, %lo(_data_protection_end)(SRC_AN)
+	move.4		D_RANGE2_LO, SRC_AN
+	move.4		D_RANGE2_HI, I_RANGE0_HI
+
+;; enable ranges
+	;; skip I_RANGE0_EN
+	move.4		I_RANGE1_EN, #-1
+	move.4		I_RANGE2_EN, #-1
+#ifdef CONFIG_OLD_40400010_SYSTEM_CALL
+	move.4		I_RANGE3_EN, #-1
+#else
+	move.4		I_RANGE3_EN, #0
+#endif
+	;; skip D_RANGE0_EN or D_RANGE1_EN
+	move.4		D_RANGE2_EN, #-1
+	move.4		D_RANGE3_EN, #0
+	move.4		D_RANGE4_EN, #0
+#endif
+
+;
+; If __ocm_free_begin is smaller than __ocm_free_end the
+; setup OCM text and data ram banks properly
+;
+	moveai		DST_AN, #%hi(__ocm_free_begin)
+	lea.4		TMP_DN, %lo(__ocm_free_begin)(DST_AN)
+	moveai		DST_AN, #%hi(__ocm_free_end)
+	lea.4		TMP2_DN, %lo(__ocm_free_end)(DST_AN)
+	sub.4		#0, TMP2_DN, TMP_DN
+	jmple.f		2f
+	moveai		DST_AN, #%hi(__data_begin)
+	lea.4		TMP_DN, %lo(__data_begin)(DST_AN)
+	moveai		DST_AN, #%hi(OCMSTART)
+	lea.4		TMP2_DN, %lo(OCMSTART)(DST_AN)
+	sub.4		TMP_DN, TMP_DN, TMP2_DN
+	lsr.4		TMP_DN, TMP_DN, #15
+	lsl.4		TMP_DN, #1, TMP_DN
+	moveai		DST_AN, #%hi(OCMC_BASE)
+	add.4		OCMC_BANK_MASK(DST_AN), #-1, TMP_DN
+	pipe_flush	0
+2:
+;
+; Load .ocm_text
+;
+	moveai          DST_AN, #%hi(__ocm_text_run_end)
+	lea.4           TMP_DN, %lo(__ocm_text_run_end)(DST_AN)
+	moveai          DST_AN, #%hi(__ocm_text_run_begin)
+	lea.4           DST_AN, %lo(__ocm_text_run_begin)(DST_AN)
+	moveai          SRC_AN, #%hi(__ocm_text_load_begin)
+	lea.4           SRC_AN, %lo(__ocm_text_load_begin)(SRC_AN)
+	jmpt.t          2f
+
+1:      move.4          (DST_AN)4++, (SRC_AN)4++
+
+2:      sub.4           #0, DST_AN, TMP_DN
+	jmpne.t         1b
+;
+; Load .syscall_text
+;
+	moveai          DST_AN, #%hi(__syscall_text_run_end)
+	lea.4           TMP_DN, %lo(__syscall_text_run_end)(DST_AN)
+	moveai          DST_AN, #%hi(__syscall_text_run_begin)
+	lea.4           DST_AN, %lo(__syscall_text_run_begin)(DST_AN)
+	moveai          SRC_AN, #%hi(__syscall_text_load_begin)
+	lea.4           SRC_AN, %lo(__syscall_text_load_begin)(SRC_AN)
+	jmpt.t          2f
+
+1:	move.4          (DST_AN)4++, (SRC_AN)4++
+
+2:	sub.4           #0, DST_AN, TMP_DN
+	jmpne.t         1b
+
+;
+; Load .ocm_data
+;
+	moveai          DST_AN, #%hi(__ocm_data_run_end)
+	lea.4           TMP_DN, %lo(__ocm_data_run_end)(DST_AN)
+	moveai          DST_AN, #%hi(__ocm_data_run_begin)
+	lea.4           DST_AN, %lo(__ocm_data_run_begin)(DST_AN)
+	moveai          SRC_AN, #%hi(__ocm_data_load_begin)
+	lea.4           SRC_AN, %lo(__ocm_data_load_begin)(SRC_AN)
+	jmpt.t          2f
+
+1:      move.4          (DST_AN)4++, (SRC_AN)4++
+
+2:      sub.4           #0, DST_AN, TMP_DN
+	jmpne.t         1b
+
+; Clear .bss
+;
+	moveai		SRC_AN, #%hi(_ebss)
+	lea.4		TMP_DN, %lo(_ebss)(SRC_AN)
+	moveai		DST_AN, #%hi(_sbss)
+	lea.4		DST_AN, %lo(_sbss)(DST_AN)
+	jmpt.t		2f
+
+1:	move.4		(DST_AN)4++, #0
+
+2:	sub.4		#0, DST_AN, TMP_DN
+	jmpne.t		1b
+
+; save our parameter to devtree (after clearing .bss)
+	moveai		DST_AN, #%hi(devtree)
+	lea.4		DST_AN, %lo(devtree)(DST_AN)
+	move.4		(DST_AN), PARAM_DN
+
+	moveai		sp, #%hi(init_thread_union)
+	lea.4		sp, %lo(init_thread_union)(sp)
+	movei		TMP_DN, #ASM_THREAD_SIZE
+	add.4		sp, sp, TMP_DN
+	move.4		-4(sp)++, #0 ; nesting level = 0
+	move.4		-4(sp)++, #1 ; KERNEL_THREAD
+
+;; ip3k-elf-gdb backend now sets scratchpad3 to 1 when either continue
+;; or single step commands are issued. scratchpad3 is set to 0 when the
+;; debugger detaches from the board.
+	move.4		TMP_DN, scratchpad3
+	lsl.4		TMP_DN, TMP_DN, #0x0
+	jmpeq.f		_jump_to_start_kernel
+_ok_to_set_break_points_in_linux:
+;; THREAD_STALL
+	move.4		mt_dbg_active_clr,#-1
+;; stalling the threads isn't instantaneous.. need to flush the pipe.
+	pipe_flush	0
+	pipe_flush	0
+
+_jump_to_start_kernel:
+	moveai		SRC_AN, #%hi(start_kernel)
+	lea.4		SRC_AN, %lo(start_kernel)(SRC_AN)
+	ret		SRC_AN
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/init_task.c linux-2.6.30.10-ubi/arch/ubicom32/kernel/init_task.c
--- linux-2.6.30.10/arch/ubicom32/kernel/init_task.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/init_task.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,62 @@
+/*
+ * arch/ubicom32/kernel/init_task.c
+ *   Ubicom32 architecture task initialization implementation.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/sched.h>
+#include <linux/init.h>
+#include <linux/init_task.h>
+#include <linux/fs.h>
+#include <linux/mqueue.h>
+#include <linux/uaccess.h>
+#include <asm/pgtable.h>
+
+///static struct fs_struct init_fs = INIT_FS;
+static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
+static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
+struct mm_struct init_mm = INIT_MM(init_mm);
+EXPORT_SYMBOL(init_mm);
+
+/*
+ * Initial task structure.
+ *
+ * All other task structs will be allocated on slabs in fork.c
+ */
+struct task_struct init_task = INIT_TASK(init_task);
+
+EXPORT_SYMBOL(init_task);
+
+/*
+ * Initial thread structure.
+ *
+ * We need to make sure that this is 8192-byte aligned due to the
+ * way process stacks are handled. This is done by having a special
+ * "init_task" linker map entry..
+ */
+union thread_union init_thread_union
+	__attribute__((__section__(".data.init_task"))) =
+		{ INIT_THREAD_INFO(init_task) };
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/irq.c linux-2.6.30.10-ubi/arch/ubicom32/kernel/irq.c
--- linux-2.6.30.10/arch/ubicom32/kernel/irq.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/irq.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,597 @@
+/*
+ * arch/ubicom32/kernel/irq.c
+ *   Ubicom32 architecture IRQ support.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * (C) Copyright 2007, Greg Ungerer <gerg@snapgear.com>
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/types.h>
+#include <linux/irq.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/kernel_stat.h>
+#include <linux/module.h>
+#include <linux/seq_file.h>
+#include <linux/proc_fs.h>
+#include <asm/system.h>
+#include <asm/traps.h>
+#include <asm/ldsr.h>
+#include <asm/ip5000.h>
+#include <asm/machdep.h>
+#include <asm/asm-offsets.h>
+#include <asm/thread.h>
+#include <asm/devtree.h>
+
+unsigned int irq_soft_avail;
+static struct irqaction ubicom32_reserve_action[NR_IRQS];
+
+#if !defined(CONFIG_DEBUG_IRQMEASURE)
+#define IRQ_DECLARE_MEASUREMENT
+#define IRQ_MEASUREMENT_START()
+#define IRQ_MEASUREMENT_END(irq)
+#else
+#define IRQ_DECLARE_MEASUREMENT \
+	int __diff;		\
+	unsigned int __tstart;
+
+#define IRQ_MEASUREMENT_START() \
+	__tstart = UBICOM32_IO_TIMER->sysval;
+
+#define IRQ_MEASUREMENT_END(irq) \
+	__diff = (int)UBICOM32_IO_TIMER->sysval - (int)__tstart; \
+	irq_measurement_update((irq), __diff);
+
+/*
+ * We keep track of the time spent in both irq_enter()
+ * and irq_exit().
+ */
+#define IRQ_WEIGHT 32
+
+struct irq_measurement {
+	volatile unsigned int min;
+	volatile unsigned int avg;
+	volatile unsigned int max;
+};
+
+static DEFINE_SPINLOCK(irq_measurement_lock);
+
+/*
+ *  Add 1 in for softirq (irq_exit());
+ */
+static struct irq_measurement irq_measurements[NR_IRQS + 1];
+
+/*
+ * irq_measurement_update()
+ *	Update an entry in the measurement array for this irq.
+ */
+static void irq_measurement_update(int irq, int sample)
+{
+	struct irq_measurement *im = &irq_measurements[irq];
+	spin_lock(&irq_measurement_lock);
+	if ((im->min == 0) || (im->min > sample)) {
+		im->min = sample;
+	}
+	if (im->max < sample) {
+		im->max = sample;
+	}
+	im->avg = ((im->avg * (IRQ_WEIGHT - 1)) + sample) / IRQ_WEIGHT;
+	spin_unlock(&irq_measurement_lock);
+}
+#endif
+
+/*
+ * irq_kernel_stack_check()
+ *	See if the kernel stack is within STACK_WARN of the end.
+ */
+static void irq_kernel_stack_check(int irq, struct pt_regs *regs)
+{
+#ifdef CONFIG_DEBUG_STACKOVERFLOW
+	unsigned long sp;
+
+	/*
+	 * Make sure that we are not close to the top of the stack and thus
+	 * can not really service this interrupt.
+	 */
+	asm volatile (
+		"and.4		%0, SP, %1 \n\t"
+		: "=d" (sp)
+		: "d" (THREAD_SIZE - 1)
+		: "cc"
+	);
+
+	if (sp < (sizeof(struct thread_info) + STACK_WARN)) {
+		printk(KERN_WARNING
+			"cpu[%d]: possible overflow detected sp remain: %p, "
+		       "irq: %d, regs: %p\n",
+			thread_get_self(), (void *)sp, irq, regs);
+		dump_stack();
+	}
+
+	if (sp < (sizeof(struct thread_info) + 16)) {
+		THREAD_STALL;
+	}
+#endif
+}
+
+/*
+ * irq_get_lsb()
+ *	Get the LSB set in value
+ */
+static int irq_get_lsb(unsigned int value)
+{
+	static unsigned char irq_bits[8] = {
+		3, 0, 1, 0, 2, 0, 1, 0
+	};
+	u32_t nextbit = 0;
+
+	value = (value >> nextbit) | (value << ((sizeof(value) * 8) - nextbit));
+
+	/*
+	 * It's unlikely that we find that we execute the body of this while
+	 * loop.  50% of the time we won't take this at all and then of the
+	 * cases where we do about 50% of those we only execute once.
+	 */
+	if (!(value & 0xffff)) {
+		nextbit += 0x10;
+		value >>= 16;
+	}
+
+	if (!(value & 0xff)) {
+		nextbit += 0x08;
+		value >>= 8;
+	}
+
+	if (!(value & 0xf)) {
+		nextbit += 0x04;
+		value >>= 4;
+	}
+
+	nextbit += irq_bits[value & 0x7];
+	if (nextbit > 63) {
+		panic("nextbit out of range: %d\n", nextbit);
+	}
+	return nextbit;
+}
+
+/*
+ * ubicom32_reserve_handler()
+ *	Bogus handler associated with pre-reserved IRQ(s).
+ */
+static irqreturn_t ubicom32_reserve_handler(int irq, void *dev_id)
+{
+	BUG();
+	return IRQ_HANDLED;
+}
+
+/*
+ * __irq_disable_vector()
+ *	Disable the interrupt by clearing the appropriate bit in the
+ *	LDSR Mask Register.
+ */
+static void __irq_disable_vector(unsigned int irq)
+{
+	ldsr_disable_vector(irq);
+}
+
+/*
+ * __irq_ack_vector()
+ *	Acknowledge the specific interrupt by clearing the associate bit in
+ *	hardware
+ */
+static void __irq_ack_vector(unsigned int irq)
+{
+	if (irq < 32) {
+		asm volatile ("move.4 INT_CLR0, %0" : : "d" (1 << irq));
+	} else {
+		asm volatile ("move.4 INT_CLR1, %0" : : "d" (1 << (irq - 32)));
+	}
+}
+
+/*
+ * __irq_enable_vector()
+ *	Clean and then enable the interrupt by setting the appropriate bit in
+ *	the LDSR Mask Register.
+ */
+static void __irq_enable_vector(unsigned int irq)
+{
+	/*
+	 * Acknowledge, really clear the vector.
+	 */
+	__irq_ack_vector(irq);
+	ldsr_enable_vector(irq);
+}
+
+/*
+ * __irq_mask_vector()
+ */
+static void __irq_mask_vector(unsigned int irq)
+{
+	ldsr_mask_vector(irq);
+}
+
+/*
+ * __irq_unmask_vector()
+ */
+static void __irq_unmask_vector(unsigned int irq)
+{
+	ldsr_unmask_vector(irq);
+}
+
+/*
+ * __irq_end_vector()
+ *	Called once an interrupt is completed (reset the LDSR mask).
+ */
+static void __irq_end_vector(unsigned int irq)
+{
+	ldsr_unmask_vector(irq);
+}
+
+#if defined(CONFIG_SMP)
+/*
+ * __irq_set_affinity()
+ *	Set the cpu affinity for this interrupt.
+ *	affinity container allocated at boot
+ */
+static void __irq_set_affinity(unsigned int irq, const struct cpumask *dest)
+{
+	smp_set_affinity(irq, dest);
+	cpumask_copy(irq_desc[irq].affinity, dest);
+}
+#endif
+
+/*
+ * On-Chip Generic Interrupt function handling.
+ */
+static struct irq_chip ubicom32_irq_chip = {
+	.name		= "Ubicom32",
+	.startup	= NULL,
+	.shutdown	= NULL,
+	.enable		= __irq_enable_vector,
+	.disable	= __irq_disable_vector,
+	.ack		= __irq_ack_vector,
+	.mask		= __irq_mask_vector,
+	.unmask		= __irq_unmask_vector,
+	.end		= __irq_end_vector,
+#if defined(CONFIG_SMP)
+	.set_affinity	= __irq_set_affinity,
+#endif
+};
+
+/*
+ * do_IRQ()
+ *	Primary interface for handling IRQ() requests.
+ */
+asmlinkage void do_IRQ(int irq, struct pt_regs *regs)
+{
+	struct pt_regs *oldregs;
+	struct thread_info *ti = current_thread_info();
+
+	IRQ_DECLARE_MEASUREMENT;
+
+	/*
+	 * Mark that we are inside of an interrupt and
+	 * that interrupts are disabled.
+	 */
+	oldregs = set_irq_regs(regs);
+	ti->interrupt_nesting++;
+	trace_hardirqs_off();
+	irq_kernel_stack_check(irq, regs);
+
+	/*
+	 * Start the interrupt sequence
+	 */
+	irq_enter();
+
+	/*
+	 * Execute the IRQ handler and any pending SoftIRQ requests.
+	 */
+	BUG_ON(!irqs_disabled());
+	IRQ_MEASUREMENT_START();
+	__do_IRQ(irq);
+	IRQ_MEASUREMENT_END(irq);
+	BUG_ON(!irqs_disabled());
+
+	/*
+	 * TODO: Since IRQ's are disabled when calling irq_exit()
+	 * modify Kconfig to set __ARCH_IRQ_EXIT_IRQS_DISABLED flag.
+	 * This will slightly improve performance by enabling
+	 * softirq handling to avoid disabling/disabled interrupts.
+	 */
+	IRQ_MEASUREMENT_START();
+	irq_exit();
+	IRQ_MEASUREMENT_END(NR_IRQS);
+	BUG_ON(!irqs_disabled());
+
+	/*
+	 * Outside of an interrupt (or nested exit).
+	 */
+	set_irq_regs(oldregs);
+	trace_hardirqs_on();
+	ti->interrupt_nesting--;
+}
+
+/*
+ * irq_soft_alloc()
+ *	Allocate a soft IRQ.
+ */
+int irq_soft_alloc(unsigned int *soft)
+{
+	if (irq_soft_avail == 0) {
+		printk(KERN_NOTICE "no soft irqs to allocate\n");
+		return -EFAULT;
+	}
+
+	*soft = irq_get_lsb(irq_soft_avail);
+	irq_soft_avail &= ~(1 << *soft);
+	return 0;
+}
+
+/*
+ * ack_bad_irq()
+ *	Called to handle an bad irq request.
+ */
+void ack_bad_irq(unsigned int irq)
+{
+	printk(KERN_ERR "IRQ: unexpected irq=%d\n", irq);
+	__irq_end_vector(irq);
+}
+
+/*
+ * show_interrupts()
+ *	Return a string that displays the state of each of the interrupts.
+ */
+int show_interrupts(struct seq_file *p, void *v)
+{
+	struct irqaction *ap;
+	int irq = *((loff_t *) v);
+	int j;
+
+	if (irq >= NR_IRQS) {
+		return 0;
+	}
+
+	if (irq == 0) {
+		seq_puts(p, "           ");
+		for_each_online_cpu(j) {
+			seq_printf(p, "CPU%d       ", j);
+		}
+		seq_putc(p, '\n');
+	}
+
+	ap = irq_desc[irq].action;
+	if (ap) {
+		seq_printf(p, "%3d: ", irq);
+		for_each_online_cpu(j) {
+			seq_printf(p, "%10u ", kstat_irqs_cpu(irq, j));
+		}
+		seq_printf(p, "%14s  ", irq_desc[irq].chip->name);
+		seq_printf(p, "%s", ap->name);
+		for (ap = ap->next; ap; ap = ap->next) {
+			seq_printf(p, ", %s", ap->name);
+		}
+		seq_putc(p, '\n');
+	}
+	return 0;
+}
+
+#if defined(CONFIG_DEBUG_IRQMEASURE)
+static unsigned int irq_cycles_to_micro(unsigned int cycles, unsigned int frequency)
+{
+	unsigned int micro = (cycles / (frequency / 1000000));
+	return micro;
+}
+
+/*
+ * irq_measurement_show()
+ *	Print out the min, avg, max values for each IRQ
+ *
+ * By request, the max value is reset after each dump.
+ */
+static int irq_measurement_show(struct seq_file *p, void *v)
+{
+	struct irqaction *ap;
+	unsigned int freq = processor_frequency();
+	int irq = *((loff_t *) v);
+
+
+	if (irq == 0) {
+		seq_puts(p, "\tmin\tavg\tmax\t(micro-seconds)\n");
+	}
+
+	if (irq > NR_IRQS) {
+		return 0;
+	}
+
+	if (irq == NR_IRQS) {
+		unsigned int min, avg, max;
+		spin_lock(&irq_measurement_lock);
+		min = irq_cycles_to_micro(irq_measurements[irq].min, freq);
+		avg = irq_cycles_to_micro(irq_measurements[irq].avg, freq);
+		max = irq_cycles_to_micro(irq_measurements[irq].max, freq);
+		irq_measurements[irq].max = 0;
+		spin_unlock(&irq_measurement_lock);
+		seq_printf(p, "   \t%u\t%u\t%u\tsoftirq\n", min, avg, max);
+		return 0;
+	}
+
+	ap = irq_desc[irq].action;
+	if (ap) {
+		unsigned int min, avg, max;
+		spin_lock(&irq_measurement_lock);
+		min = irq_cycles_to_micro(irq_measurements[irq].min, freq);
+		avg = irq_cycles_to_micro(irq_measurements[irq].avg, freq);
+		max = irq_cycles_to_micro(irq_measurements[irq].max, freq);
+		irq_measurements[irq].max = 0;
+		spin_unlock(&irq_measurement_lock);
+		seq_printf(p, "%2u:\t%u\t%u\t%u\t%s\n", irq, min, avg, max, ap->name);
+	}
+	return 0;
+}
+
+static void *irq_measurement_start(struct seq_file *f, loff_t *pos)
+{
+	return (*pos <= NR_IRQS) ? pos : NULL;
+}
+
+static void *irq_measurement_next(struct seq_file *f, void *v, loff_t *pos)
+{
+	(*pos)++;
+	if (*pos > NR_IRQS)
+		return NULL;
+	return pos;
+}
+
+static void irq_measurement_stop(struct seq_file *f, void *v)
+{
+	/* Nothing to do */
+}
+
+static const struct seq_operations irq_measurement_seq_ops = {
+	.start = irq_measurement_start,
+	.next  = irq_measurement_next,
+	.stop  = irq_measurement_stop,
+	.show  = irq_measurement_show,
+};
+
+static int irq_measurement_open(struct inode *inode, struct file *filp)
+{
+	return seq_open(filp, &irq_measurement_seq_ops);
+}
+
+static const struct file_operations irq_measurement_fops = {
+	.open		= irq_measurement_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= seq_release,
+};
+
+static int __init irq_measurement_init(void)
+{
+	proc_create("irq_measurements", 0, NULL, &irq_measurement_fops);
+	return 0;
+}
+module_init(irq_measurement_init);
+#endif
+
+/*
+ * init_IRQ(void)
+ *	Initialize the on-chip IRQ subsystem.
+ */
+void __init init_IRQ(void)
+{
+	int irq;
+	struct devtree_node *p = NULL;
+	struct devtree_node *iter = NULL;
+	unsigned int mask = 0;
+	unsigned int reserved = 0;
+
+	/*
+	 * Pull out the list of software interrupts that are avialable to
+	 * Linux and provide an allocation function for them.  The first
+	 * 24 interrupts of INT0 are software interrupts.
+	 */
+	irq_soft_avail = 0;
+	if (processor_interrupts(&irq_soft_avail, NULL) < 0) {
+		printk(KERN_WARNING "No Soft IRQ(s) available\n");
+	}
+	irq_soft_avail &= ((1 << 24) - 1);
+
+	/*
+	 * Initialize all of the on-chip interrupt handling
+	 * to use a common set of interrupt functions.
+	 */
+	for (irq = 0; irq < NR_IRQS; irq++) {
+		irq_desc[irq].status = IRQ_DISABLED;
+		irq_desc[irq].action = NULL;
+		irq_desc[irq].depth = 1;
+		set_irq_chip(irq, &ubicom32_irq_chip);
+	}
+
+	/*
+	 * The sendirq of a devnode is not registered within Linux but instead
+	 * is used by the software I/O thread.  These interrupts are reserved.
+	 * The recvirq is used by Linux and registered by a device driver, these
+	 * are not reserved.
+	 *
+	 * recvirq(s) that are in the software interrupt range are not supposed
+	 * to be marked as reserved.  We track this while we scan the device
+	 * nodes.
+	 */
+	p = devtree_find_next(&iter);
+	while (p) {
+		unsigned char sendirq, recvirq;
+		devtree_irq(p, &sendirq, &recvirq);
+
+		/*
+		 * If the sendirq is valid, mark that irq as taken by the
+		 * devtree node.
+		 */
+		if (sendirq < NR_IRQS) {
+			ubicom32_reserve_action[sendirq].handler =
+				ubicom32_reserve_handler;
+			ubicom32_reserve_action[sendirq].name = p->name;
+			irq_desc[sendirq].action =
+				&ubicom32_reserve_action[sendirq];
+			mask |= (1 << sendirq);
+		}
+
+		/*
+		 * Track the relevant recieve IRQ(s)
+		 */
+		if (recvirq < 24) {
+			mask |= (1 << recvirq);
+		}
+
+		/*
+		 * Move to the next node.
+		 */
+		p = devtree_find_next(&iter);
+	}
+
+	/*
+	 * Remove these bits from the irq_soft_avail list and then use the
+	 * result as the list of pre-reserved IRQ(s).
+	 */
+	reserved = ~irq_soft_avail & ~mask;
+	for (irq = 0; irq < 24; irq++) {
+		if ((reserved & (1 << irq))) {
+			ubicom32_reserve_action[irq].handler =
+				ubicom32_reserve_handler;
+			ubicom32_reserve_action[irq].name = "reserved";
+			irq_desc[irq].action = &ubicom32_reserve_action[irq];
+		}
+	}
+
+	/*
+	 * Initialize the LDSR which is the Ubicom32 programmable
+	 * interrupt controller.
+	 */
+	ldsr_init();
+
+	/*
+	 * The Ubicom trap code needs a 2nd init after IRQ(s) are setup.
+	 */
+	trap_init_interrupt();
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/ldsr.c linux-2.6.30.10-ubi/arch/ubicom32/kernel/ldsr.c
--- linux-2.6.30.10/arch/ubicom32/kernel/ldsr.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/ldsr.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,1185 @@
+/*
+ * arch/ubicom32/kernel/ldsr.c
+ *   Ubicom32 architecture Linux Device Services Driver Interface
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ *
+ * NOTES:
+ *
+ * The LDSR is a programmable interrupt controller that is written in software.
+ * It emulates the behavior of an pic by fielding the interrupts, choosing a
+ * victim thread to take the interrupt and forcing that thread to take a context
+ * switch to the appropriate interrupt handler.
+ *
+ * Because traps are treated as just a special class of interrupts, the LDSR
+ * also handles the processing of traps.
+ *
+ * Because we compile Linux both UP and SMP, we need the LDSR to use
+ * architectural locking that is not "compiled out" when compiling UP.  For now,
+ * we use the single atomic bit lock.
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/profile.h>
+#include <linux/clocksource.h>
+#include <linux/types.h>
+#include <linux/module.h>
+#include <linux/cpumask.h>
+#include <linux/bug.h>
+#include <linux/delay.h>
+#include <asm/ip5000.h>
+#include <asm/atomic.h>
+#include <asm/machdep.h>
+#include <asm/asm-offsets.h>
+#include <asm/traps.h>
+#include <asm/thread.h>
+#include <asm/range-protect.h>
+
+/*
+ * One can not print from the LDSR so the best we can do is
+ * check a condition and stall all of the threads.
+ */
+
+// #define DEBUG_LDSR 1
+#if defined(DEBUG_LDSR)
+#define DEBUG_ASSERT(cond) \
+	if (!(cond)) { \
+		THREAD_STALL; \
+	}
+#else
+#define DEBUG_ASSERT(cond)
+#endif
+
+/*
+ * Make global so that we can use it in the RFI code in assembly.
+ */
+unsigned int ldsr_soft_irq_mask;
+EXPORT_SYMBOL(ldsr_soft_irq_mask);
+
+static unsigned int ldsr_suspend_mask;
+static unsigned int ldsr_soft_irq;
+static unsigned int ldsr_stack_space[1024];
+
+static struct ldsr_register_bank {
+	volatile unsigned int enabled0;
+	volatile unsigned int enabled1;
+	volatile unsigned int mask0;
+	volatile unsigned int mask1;
+	unsigned int total;
+	unsigned int retry;
+	unsigned int backout;
+} ldsr_interrupt;
+
+/*
+ * Which thread/cpu are we?
+ */
+static int ldsr_tid = -1;
+
+#if defined(CONFIG_IRQSTACKS)
+/*
+ * per-CPU IRQ stacks (thread information and stack)
+ *
+ * NOTE: Do not use DEFINE_PER_CPU() as it makes it harder
+ * to find the location of ctx from assembly language.
+ */
+union irq_ctx {
+	struct thread_info      tinfo;
+	u32                     stack[THREAD_SIZE/sizeof(u32)];
+};
+static union irq_ctx *percpu_irq_ctxs[NR_CPUS];
+
+/*
+ *  Storage for the interrupt stack.
+ */
+#if !defined(CONFIG_IRQSTACKS_USEOCM)
+static char percpu_irq_stacks[(NR_CPUS * THREAD_SIZE) + (THREAD_SIZE - 1)];
+#else
+/*
+ *  For OCM, the linker will ensure that space is allocated for the stack
+ *  see (vmlinux.lds.S)
+ */
+static char percpu_irq_stacks[];
+#endif
+
+#endif
+
+/*
+ * Save trap IRQ because we need to un-suspend if it gets set.
+ */
+static unsigned int ldsr_trap_irq_mask;
+static unsigned int ldsr_trap_irq;
+
+/*
+ * ret_from_interrupt_to_kernel
+ *	Just restore the context and do nothing else.
+ */
+asmlinkage void ret_from_interrupt_to_kernel(void)__attribute__((naked));
+
+/*
+ * ret_from_interrupt_to_user
+ *	Call scheduler if needed. Just restore the context.
+ */
+asmlinkage void ret_from_interrupt_to_user(void)__attribute__((naked));
+
+#ifdef DEBUG_LDSR
+u32_t old_sp, old_pc, old_a0, old_a5, old_a3;
+struct pt_regs copy_regs, *copy_save_area;
+#endif
+
+int __user_mode(unsigned long sp)
+{
+
+	u32_t saved_stack_base = sp & ~(ASM_THREAD_SIZE - 1);
+#if defined(CONFIG_IRQSTACKS_USEOCM)
+	if ((union irq_ctx *)saved_stack_base == percpu_irq_ctxs[smp_processor_id()]) {
+		/*
+		 *  On the interrupt stack.
+		 */
+		return 0;
+	}
+#endif
+
+	if (!(u32_t)current) {
+		return 0;
+	}
+	return saved_stack_base != ((u32_t)current->stack);
+}
+
+/*
+ * ldsr_lock_release()
+ *	Release the LDSR lock.
+ */
+static void ldsr_lock_release(void)
+{
+	UBICOM32_UNLOCK(LDSR_LOCK_BIT);
+}
+
+/*
+ * ldsr_lock_acquire()
+ *	Acquire the LDSR lock, spin if not available.
+ */
+static void ldsr_lock_acquire(void)
+{
+	UBICOM32_LOCK(LDSR_LOCK_BIT);
+}
+
+/*
+ * ldsr_thread_irq_disable()
+ *	Disable interrupts for the specified thread.
+ */
+static void ldsr_thread_irq_disable(unsigned int tid)
+{
+	unsigned int mask = (1 << tid);
+
+	asm volatile (
+	"	or.4	scratchpad1, scratchpad1, %0	\n\t"
+		:
+		: "d"(mask)
+		: "cc"
+	);
+}
+
+/*
+ * ldsr_thread_get_interrupts()
+ *	Get the interrupt state for all threads.
+ */
+static unsigned long ldsr_thread_get_interrupts(void)
+{
+	unsigned long ret = 0;
+	asm volatile (
+	"	move.4	%0, scratchpad1	\n\t"
+		: "=r" (ret)
+		:
+	);
+	return ret;
+}
+
+/*
+ * ldsr_emulate_and_run()
+ *	Emulate the instruction and then set the thread to run.
+ */
+static void ldsr_emulate_and_run(unsigned int tid)
+{
+	unsigned int thread_mask = (1 << tid);
+	u32_t write_csr = (tid << 15) | (1 << 14);
+
+	/*
+	 * Emulate the unaligned access.
+	 */
+	unaligned_emulate(tid);
+
+	/*
+	 * Get the thread back in a running state.
+	 */
+	asm volatile (
+	"	setcsr	%0			\n\t"
+	"	setcsr_flush 0			\n\t"
+	"	move.4	trap_cause, #0		\n\t" /* Clear the trap cause
+						       * register */
+	"	setcsr	#0			\n\t"
+	"	setcsr_flush 0			\n\t"
+	"	move.4	mt_dbg_active_set, %1	\n\t" /* Activate thread even if
+						       * in dbg/fault state */
+	"	move.4	mt_active_set, %1	\n\t" /* Restart target
+						       * thread. */
+		:
+		: "r" (write_csr), "d" (thread_mask)
+		: "cc"
+	);
+	thread_enable_mask(thread_mask);
+}
+
+/*
+ * ldsr_preemptive_context_save()
+ *	save thread context from another hardware thread.  The other thread must
+ *	be stalled.
+ */
+static inline void ldsr_preemptive_context_save(u32_t thread,
+						struct pt_regs *regs)
+{
+	/*
+	 * Save the current state of the specified thread
+	 */
+	asm volatile (
+	"       move.4  a3, %0					\n\t"
+
+		/* set src1 from the target thread */
+	"       move.4  csr, %1					\n\t"
+	"	setcsr_flush 0					\n\t"
+	"	setcsr_flush 0					\n\t"
+
+		/* copy state from the other thread */
+	"       move.4  "D(PT_D0)"(a3), d0			\n\t"
+	"       move.4  "D(PT_D1)"(a3), d1			\n\t"
+	"       move.4  "D(PT_D2)"(a3), d2			\n\t"
+	"       move.4  "D(PT_D3)"(a3), d3			\n\t"
+	"       move.4  "D(PT_D4)"(a3), d4			\n\t"
+	"       move.4  "D(PT_D5)"(a3), d5			\n\t"
+	"       move.4  "D(PT_D6)"(a3), d6			\n\t"
+	"       move.4  "D(PT_D7)"(a3), d7			\n\t"
+	"       move.4  "D(PT_D8)"(a3), d8			\n\t"
+	"       move.4  "D(PT_D9)"(a3), d9			\n\t"
+	"       move.4  "D(PT_D10)"(a3), d10			\n\t"
+	"       move.4  "D(PT_D11)"(a3), d11			\n\t"
+	"       move.4  "D(PT_D12)"(a3), d12			\n\t"
+	"       move.4  "D(PT_D13)"(a3), d13			\n\t"
+	"       move.4  "D(PT_D14)"(a3), d14			\n\t"
+	"       move.4  "D(PT_D15)"(a3), d15			\n\t"
+	"       move.4  "D(PT_A0)"(a3), a0			\n\t"
+	"       move.4  "D(PT_A1)"(a3), a1			\n\t"
+	"       move.4  "D(PT_A2)"(a3), a2			\n\t"
+	"       move.4  "D(PT_A3)"(a3), a3			\n\t"
+	"       move.4  "D(PT_A4)"(a3), a4			\n\t"
+	"       move.4  "D(PT_A5)"(a3), a5			\n\t"
+	"       move.4  "D(PT_A6)"(a3), a6			\n\t"
+	"       move.4  "D(PT_SP)"(a3), a7			\n\t"
+	"       move.4  "D(PT_ACC0HI)"(a3), acc0_hi		\n\t"
+	"       move.4  "D(PT_ACC0LO)"(a3), acc0_lo		\n\t"
+	"       move.4  "D(PT_MAC_RC16)"(a3), mac_rc16		\n\t"
+	"       move.4  "D(PT_ACC1HI)"(a3), acc1_hi		\n\t"
+	"       move.4  "D(PT_ACC1LO)"(a3), acc1_lo		\n\t"
+	"       move.4  "D(PT_SOURCE3)"(a3), source3		\n\t"
+	"       move.4  "D(PT_INST_CNT)"(a3), inst_cnt		\n\t"
+	"       move.4  "D(PT_CSR)"(a3), csr			\n\t"
+	"       move.4  "D(PT_DUMMY_UNUSED)"(a3), #0		\n\t"
+	"       move.4  "D(PT_INT_MASK0)"(a3), int_mask0	\n\t"
+	"       move.4  "D(PT_INT_MASK1)"(a3), int_mask1	\n\t"
+	"       move.4  "D(PT_TRAP_CAUSE)"(a3), trap_cause	\n\t"
+	"       move.4  "D(PT_PC)"(a3), pc			\n\t"
+	"	move.4	"D(PT_PREVIOUS_PC)"(a3), previous_pc	\n\t"
+		/* disable csr thread select */
+	"       movei   csr, #0					\n\t"
+	"       setcsr_flush 0					\n\t"
+	:
+	: "r" (regs->dn), "d" ((thread << 9) | (1 << 8))
+	: "a3"
+	);
+}
+
+/*
+ * ldsr_rotate_threads()
+ *	Simple round robin algorithm for choosing the next cpu
+ */
+static int ldsr_rotate_threads(unsigned long cpus)
+{
+	static unsigned char ldsr_bits[8] = {
+		3, 0, 1, 0, 2, 0, 1, 0
+	};
+
+	static int nextbit;
+	int thisbit;
+
+	/*
+	 * Move the interrupts down so that we consider interrupts from where
+	 * we left off, then take the interrupts we would lose and move them
+	 * to the top half of the interrupts value.
+	 */
+	cpus = (cpus >> nextbit) | (cpus << ((sizeof(cpus) * 8) - nextbit));
+
+	/*
+	 * 50% of the time we won't take this at all and then of the cases where
+	 * we do about 50% of those we only execute once.
+	 */
+	if (!(cpus & 0xffff)) {
+		nextbit += 16;
+		cpus >>= 16;
+	}
+
+	if (!(cpus & 0xff)) {
+		nextbit += 8;
+		cpus >>= 8;
+	}
+
+	if (!(cpus & 0xf)) {
+		nextbit += 4;
+		cpus >>= 4;
+	}
+
+	nextbit += ldsr_bits[cpus & 0x7];
+	thisbit = (nextbit & ((sizeof(cpus) * 8) - 1));
+	nextbit = (thisbit + 1) & ((sizeof(cpus) * 8) - 1);
+	DEBUG_ASSERT(thisbit < THREAD_ARCHITECTURAL_MAX);
+	return thisbit;
+}
+
+/*
+ * ldsr_rotate_interrupts()
+ *	Get rotating next set bit value.
+ */
+static int ldsr_rotate_interrupts(unsigned long long interrupts)
+{
+	static unsigned char ldsr_bits[8] = {
+		3, 0, 1, 0, 2, 0, 1, 0
+	};
+
+	static int nextbit;
+	int thisbit;
+
+	/*
+	 * Move the interrupts down so that we consider interrupts from where
+	 * we left off, then take the interrupts we would lose and move them
+	 * to the top half of the interrupts value.
+	 */
+	interrupts = (interrupts >> nextbit) |
+		(interrupts << ((sizeof(interrupts) * 8) - nextbit));
+
+	/*
+	 * 50% of the time we won't take this at all and then of the cases where
+	 * we do about 50% of those we only execute once.
+	 */
+	if (!(interrupts & 0xffffffff)) {
+		nextbit += 32;
+		interrupts >>= 32;
+	}
+
+	if (!(interrupts & 0xffff)) {
+		nextbit += 16;
+		interrupts >>= 16;
+	}
+
+	if (!(interrupts & 0xff)) {
+		nextbit += 8;
+		interrupts >>= 8;
+	}
+
+	if (!(interrupts & 0xf)) {
+		nextbit += 4;
+		interrupts >>= 4;
+	}
+
+	nextbit += ldsr_bits[interrupts & 0x7];
+	thisbit = (nextbit & ((sizeof(interrupts) * 8) - 1));
+	nextbit = (thisbit + 1) & ((sizeof(interrupts) * 8) - 1);
+
+	DEBUG_ASSERT(thisbit < (sizeof(interrupts) * 8));
+	return thisbit;
+}
+
+/*
+ * ldsr_backout_or_irq()
+ *
+ * One way or the other this interrupt is not being
+ * processed, make sure that it is reset.  We are
+ * not going to call irq_end_vector() so unmask the
+ * interrupt.
+ */
+static void ldsr_backout_of_irq(int vector, unsigned long tid_mask)
+{
+#if defined(CONFIG_SMP)
+	if (unlikely(vector == smp_ipi_irq)) {
+		smp_reset_ipi(tid_mask);
+	}
+#endif
+	ldsr_unmask_vector(vector);
+	ldsr_interrupt.backout++;
+}
+
+#if defined(CONFIG_IRQSTACKS)
+/*
+ * ldsr_choose_savearea_and_returnvec()
+ *	Test our current state (user, kernel, interrupt) and set things up.
+ *
+ * This version of the function uses 3 stacks and nests interrupts
+ * on the interrupt stack.
+ */
+static struct pt_regs *ldsr_choose_savearea_and_returnvec(thread_t tid, u32_t linux_sp, u32_t *pvec)
+{
+	struct pt_regs *save_area;
+	u32_t masked_linux_sp = linux_sp & ~(THREAD_SIZE - 1);
+	struct thread_info * ti= (struct thread_info *)sw_ksp[tid];
+
+#if defined(CONFIG_SMP)
+	union irq_ctx *icp = percpu_irq_ctxs[tid];
+#else
+	union irq_ctx *icp = percpu_irq_ctxs[0];
+#endif
+
+	if (masked_linux_sp == (u32_t)icp) {
+		/*
+		 * Fault/Interrupt occurred while on the interrupt stack.
+		 */
+		save_area = (struct pt_regs *)((char *)linux_sp - sizeof(struct pt_regs) - 8);
+		*pvec = (u32_t)(&ret_from_interrupt_to_kernel);
+	} else {
+		/*
+		 *  Fault/Interrupt occurred while on user/kernel stack.  This is a new
+		 *  first use of the interrupt stack.
+		 */
+		save_area = (struct pt_regs *) ((char *)icp + sizeof(icp->stack) - sizeof(struct pt_regs) - 8);
+		if (masked_linux_sp == (u32_t)ti) {
+			*pvec  = (u32_t)(&ret_from_interrupt_to_kernel);
+		} else {
+			*pvec  = (u32_t)(&ret_from_interrupt_to_user);
+		}
+
+		/*
+		 * Because the softirq code will execute on the "interrupt" stack, we
+		 * need to maintain the knowledge of what "task" was executing on the
+		 * cpu.  This is done by copying the thread_info->task from the cpu
+		 * we are about to context switch into the interrupt contexts thread_info
+		 * structure.
+		 */
+		icp->tinfo.task = ti->task;
+		icp->tinfo.preempt_count =
+				(icp->tinfo.preempt_count & ~SOFTIRQ_MASK) |
+				(ti->preempt_count & SOFTIRQ_MASK);
+		icp->tinfo.interrupt_nesting = 0;
+	}
+	save_area->nesting_level = icp->tinfo.interrupt_nesting;
+	return save_area;
+}
+
+#else
+/*
+ * ldsr_choose_savearea_and_returnvec()
+ *	Test our current state (user, kernel, interrupt) and set things up.
+ *
+ * The version of the function uses just the user & kernel stack and
+ * nests interrupts on the existing kernel stack.
+ */
+static struct pt_regs *ldsr_choose_savearea_and_returnvec(thread_t tid, u32_t linux_sp, u32_t *pvec)
+{
+	struct pt_regs *save_area;
+	u32_t masked_linux_sp = linux_sp & ~(THREAD_SIZE - 1);
+	struct thread_info *ti = (struct thread_info *)sw_ksp[tid];
+
+	if (masked_linux_sp == (u32_t)ti) {
+		/*
+		 * Fault/Interrupt occurred while on the kernel stack.
+		 */
+		save_area = (struct pt_regs *)((char *)linux_sp - sizeof(struct pt_regs) - 8);
+		*pvec = (u32_t) (&ret_from_interrupt_to_kernel);
+	} else {
+		/*
+		 *  Fault/Interrupt occurred while on user stack.
+		 */
+		ti->interrupt_nesting = 0;
+		save_area = (struct pt_regs *)((u32_t)ti + THREAD_SIZE - sizeof(struct pt_regs) - 8);
+		*pvec  = (u32_t) (&ret_from_interrupt_to_user);
+	}
+	save_area->nesting_level = ti->interrupt_nesting;
+	return save_area;
+}
+#endif
+
+/*
+ * ldsr_ctxsw_thread()
+ *	Context switch a mainline thread to execute do_IRQ() for the specified
+ *	vector.
+ */
+static void ldsr_ctxsw_thread(int vector, thread_t tid)
+{
+	u32_t linux_sp;
+	u32_t return_vector;
+	struct pt_regs *save_area, *regs;
+	u32_t thread_mask = (1 << tid);
+	u32_t read_csr = ((tid << 9) | (1 << 8));
+	u32_t write_csr = (tid << 15) | (1 << 14);
+	u32_t interrupt_vector = (u32_t)(&do_IRQ);
+
+	unsigned int frame_type = UBICOM32_FRAME_TYPE_INTERRUPT;
+
+
+	DEBUG_ASSERT(!thread_is_enabled(tid));
+
+	/*
+	 * Acquire the necessary global and per thread locks for tid.
+	 * As a side effect, we ensure that the thread has not trapped
+	 * and return true if it has.
+	 */
+	if (unlikely(thread_is_trapped(tid))) {
+		/*
+		 * Read the trap cause, the sp and clear the MT_TRAP bits.
+		 */
+		unsigned int cause;
+		asm volatile (
+		"	setcsr	%3		\n\t"
+		"	setcsr_flush 0		\n\t"
+		"	setcsr_flush 0		\n\t"
+		"	move.4	%0, TRAP_CAUSE	\n\t"
+		"	move.4	%1, SP		\n\t"
+		"	setcsr	#0		\n\t"
+		"	setcsr_flush 0		\n\t"
+		"	move.4	MT_BREAK_CLR, %2\n\t"
+		"	move.4	MT_TRAP_CLR, %2	\n\t"
+			: "=&r" (cause), "=&r" (linux_sp)
+			: "r" (thread_mask), "m" (read_csr)
+		);
+
+		ldsr_backout_of_irq(vector, (1 << tid));
+
+#if !defined(CONFIG_UNALIGNED_ACCESS_DISABLED)
+		/*
+		 * See if the unaligned trap handler can deal with this.
+		 * If so, emulate the instruction and then just restart
+		 * the thread.
+		 */
+		if (unaligned_only(cause)) {
+#if defined(CONFIG_UNALIGNED_ACCESS_USERSPACE_ONLY)
+			/*
+			 * Check if this is a kernel stack if so we will not
+			 * handle the trap
+			 */
+			u32_t masked_linux_sp = linux_sp & ~(THREAD_SIZE - 1);
+			if ((masked_linux_sp != (u32_t)sw_ksp[tid]) &&
+			    unaligned_only(cause)) {
+				ldsr_emulate_and_run(tid);
+				return;
+			}
+#else
+			ldsr_emulate_and_run(tid);
+			return;
+#endif
+
+		}
+#endif
+
+		interrupt_vector = (u32_t)(&trap_handler);
+		frame_type = UBICOM32_FRAME_TYPE_TRAP;
+	} else {
+		/*
+		 * Read the target thread's SP
+		 */
+		asm volatile (
+		"	setcsr	%1		\n\t"
+		"	setcsr_flush 0		\n\t"
+		"	setcsr_flush 0		\n\t"
+		"	move.4	%0, SP		\n\t"
+		"	setcsr	#0		\n\t"
+		"	setcsr_flush 0		\n\t"
+			: "=m" (linux_sp)
+			: "m" (read_csr)
+		);
+	}
+
+	/*
+	 * We are delivering an interrupt, count it.
+	 */
+	ldsr_interrupt.total++;
+
+	/*
+	 * At this point, we will definitely force this thread to
+	 * a new context, show its interrupts as disabled.
+	 */
+	ldsr_thread_irq_disable(tid);
+
+	/*
+	 * Test our current state (user, kernel, interrupt).  Save the
+	 * appropriate data and setup for the return.
+	 */
+	save_area = ldsr_choose_savearea_and_returnvec(tid, linux_sp, &return_vector);
+
+	/*
+	 *  The pt_regs (save_area) contains the type of thread that we are dealing
+	 *  with (KERNEL/NORMAL) and is copied into each pt_regs area.  We get this
+	 *  from the current tasks kernel pt_regs area that always exists at the
+	 *  top of the kernel stack.
+	 */
+	regs = (struct pt_regs *)((u32_t)sw_ksp[tid] + THREAD_SIZE - sizeof(struct pt_regs) - 8);
+	save_area->thread_type = regs->thread_type;
+
+	/*
+	 * Preserve the context of the Linux thread.
+	 */
+	ldsr_preemptive_context_save(tid, save_area);
+
+	/*
+	 * Load the fram_type into the save_area.
+	 */
+	save_area->frame_type = frame_type;
+
+#ifdef CONFIG_STOP_ON_TRAP
+	/*
+	 * Before we get backtrace and showing stacks working well, it sometimes
+	 * helps to enter the debugger when a trap occurs before we change the
+	 * thread to handle the fault.  This optional code causes all threads to
+	 * stop on every trap frame.  One assumes that GDB connected via the
+	 * mailbox interface will be used to recover from this state.
+	 */
+	if (frame_type == UBICOM32_FRAME_TYPE_TRAP) {
+		THREAD_STALL;
+	}
+#endif
+
+#ifdef DEBUG_LDSR
+	copy_regs = *save_area;
+	copy_save_area = save_area;
+
+	old_a0 = save_area->an[0];
+	old_a3 = save_area->an[3];
+	old_sp = save_area->an[7];
+	old_a5 = save_area->an[5];
+	old_pc = save_area->pc;
+#endif
+
+	/*
+	 * Now we have to switch the kernel thread to run do_IRQ function.
+	 *	Set pc to do_IRQ
+	 *	Set d0 to vector
+	 *	Set d1 to save_area.
+	 *	Set a5 to the proper return vector.
+	 */
+	asm volatile (
+	"	setcsr	%0			\n\t"
+	"	setcsr_flush 0			\n\t"
+	"	move.4	d0, %5			\n\t" /* d0 = 0 vector # */
+	"	move.4	d1, %1			\n\t" /* d1 = save_area */
+	"	move.4	sp, %1			\n\t" /* sp = save_area */
+	"	move.4	a5, %2			\n\t" /* a5 = return_vector */
+	"	move.4	pc, %3			\n\t" /* pc = do_IRQ routine. */
+	"	move.4	trap_cause, #0		\n\t" /* Clear the trap cause
+						       * register */
+	"	setcsr	#0			\n\t"
+	"	setcsr_flush 0			\n\t"
+	"	enable_kernel_ranges %4		\n\t"
+	"	move.4	mt_dbg_active_set, %4	\n\t" /* Activate thread even if
+						       * in dbg/fault state */
+	"	move.4	mt_active_set, %4	\n\t" /* Restart target
+						       * thread. */
+		:
+		: "r" (write_csr), "r" (save_area),
+		  "r" (return_vector), "r" (interrupt_vector),
+		  "d" (thread_mask), "r" (vector)
+		: "cc"
+	);
+	thread_enable_mask(thread_mask);
+}
+
+/*
+ * ldsr_deliver_interrupt()
+ *	Deliver the interrupt to one of the threads or all of the threads.
+ */
+static void ldsr_deliver_interrupt(int vector,
+				   unsigned long deliver_to,
+				   int all)
+{
+	unsigned long disabled_threads;
+	unsigned long possible_threads;
+	unsigned long trapped_threads;
+	unsigned long global_locks;
+
+	/*
+	 * Disable all of the threads that we might want to send
+	 * this interrupt to.
+	 */
+retry:
+	DEBUG_ASSERT(deliver_to);
+	thread_disable_mask(deliver_to);
+
+	/*
+	 * If any threads are in the trap state, we have to service the
+	 * trap for those threads first.
+	 */
+	asm volatile (
+		"move.4	%0, MT_TRAP		\n\t"
+		: "=r" (trapped_threads)
+		:
+	);
+
+	trapped_threads &= deliver_to;
+	if (unlikely(trapped_threads)) {
+		/*
+		 * all traps will be handled, so clear the trap bit before restarting any threads
+		 */
+	        ubicom32_clear_interrupt(ldsr_trap_irq);
+
+		/*
+		 * Let the remaining untrapped threads, continue.
+		 */
+		deliver_to &= ~trapped_threads;
+		if (deliver_to) {
+			thread_enable_mask(deliver_to);
+		}
+
+		/*
+		 * For the trapped threads force them to handle
+		 * a trap.
+		 */
+		while (trapped_threads) {
+			unsigned long which = ffz(~trapped_threads);
+			trapped_threads &= ~(1 << which);
+			ldsr_ctxsw_thread(vector, which);
+		}
+		return;
+	}
+
+	/*
+	 * Can we deliver an interrupt to any of the threads?
+	 */
+	disabled_threads = ldsr_thread_get_interrupts();
+	possible_threads = deliver_to & ~disabled_threads;
+	if (unlikely(!possible_threads)) {
+#if defined(CONFIG_SMP)
+		/*
+		 * In the SMP case, we can not wait because 1 cpu might be
+		 * sending an IPI to another cpu which is currently blocked.
+		 * The only way to ensure IPI delivery is to backout and
+		 * keep trying.  For SMP, we don't sleep until the interrupts
+		 * are delivered.
+		 */
+		thread_enable_mask(deliver_to);
+		ldsr_backout_of_irq(vector, deliver_to);
+		return;
+#else
+		/*
+		 * In the UP case, we have nothing to do so we should wait.
+		 *
+		 * Since the INT_MASK0 and INT_MASK1 are "re-loaded" before we
+		 * suspend in the outer loop, we do not need to save them here.
+		 *
+		 * We test that we were awakened for our specific interrupts
+		 * because the ldsr mask/unmask operations will force the ldsr
+		 * awake even if the interrupt on the mainline thread is not
+		 * completed.
+		 */
+		unsigned int scratch = 0;
+		thread_enable_mask(deliver_to);
+		asm volatile (
+		"	move.4	INT_MASK0, %1		\n\t"
+		"	move.4	INT_MASK1, #0		\n\t"
+
+		"1:	suspend				\n\t"
+		"	move.4	%0, INT_STAT0		\n\t"
+		"	and.4	%0, %0, %1		\n\t"
+		"	jmpeq.f	1b			\n\t"
+
+		"	move.4	INT_CLR0, %2		\n\t"
+			: "+r" (scratch)
+			: "d" (ldsr_suspend_mask), "r" (ldsr_soft_irq_mask)
+			: "cc"
+		);
+
+		/*
+		 * This delay is sized to coincide with the time it takes a
+		 * thread to complete the exit (see return_from_interrupt).
+		 */
+		ldsr_interrupt.retry++;
+		__delay(10);
+		goto retry;
+#endif
+	}
+
+	/*
+	 * If any of the global locks are held, we can not deliver any
+	 * interrupts, we spin delay(10) and then try again.  If our
+	 * spinning becomes a bottle neck, we will need to suspend but for
+	 * now lets just spin.
+	 */
+	asm volatile (
+		"move.4	%0, scratchpad1		\n\t"
+		: "=r" (global_locks)
+		:
+	);
+	if (unlikely(global_locks & 0xffff0000)) {
+		thread_enable_mask(deliver_to);
+
+		/*
+		 * This delay is sized to coincide with the average time it
+		 * takes a thread to release a global lock.
+		 */
+		ldsr_interrupt.retry++;
+		__delay(10);
+		goto retry;
+	}
+
+	/*
+	 * Deliver to one cpu.
+	 */
+	if (!all) {
+		/*
+		 * Find our victim and then enable everyone else.
+		 */
+		unsigned long victim = ldsr_rotate_threads(possible_threads);
+		DEBUG_ASSERT((deliver_to & (1 << victim)));
+		DEBUG_ASSERT((possible_threads & (1 << victim)));
+
+		deliver_to &= ~(1 << victim);
+		if (deliver_to) {
+			thread_enable_mask(deliver_to);
+		}
+		ldsr_ctxsw_thread(vector, victim);
+		return;
+	}
+
+	/*
+	 * If we can't deliver to some threads, wake them
+	 * back up and reset things to deliver to them.
+	 */
+	deliver_to &= ~possible_threads;
+	if (unlikely(deliver_to)) {
+		thread_enable_mask(deliver_to);
+		ldsr_backout_of_irq(vector, deliver_to);
+	}
+
+	/*
+	 * Deliver to all possible threads(s).
+	 */
+	while (possible_threads) {
+		unsigned long victim = ffz(~possible_threads);
+		possible_threads &= ~(1 << victim);
+		ldsr_ctxsw_thread(vector, victim);
+	}
+}
+
+/*
+ * ldsr_thread()
+ *	This thread acts as the interrupt controller for Linux.
+ */
+static void ldsr_thread(void *arg)
+{
+	int stat0;
+	int stat1;
+	int interrupt0;
+	int interrupt1;
+	long long interrupts;
+	unsigned long cpus;
+
+#if !defined(CONFIG_SMP)
+	/*
+	 * In a non-smp configuration, we can not use the cpu(s) arrays because
+	 * there is not a 1-1 correspondence between cpus(s) and our threads.
+	 * Thus we must get a local idea of the mainline threads and use the
+	 * one and only 1 set as the victim.  We do this once before the ldsr
+	 * loop.
+	 *
+	 * In the SMP case, we will use the cpu(s) map to determine which cpu(s)
+	 * are valid to send interrupts to.
+	 */
+	int victim = 0;
+	unsigned int mainline = thread_get_mainline();
+	if (mainline == 0) {
+		panic("no mainline Linux threads to interrupt");
+		return;
+	}
+	victim = ffz(~mainline);
+	cpus = (1 << victim);
+#endif
+
+	while (1) {
+		/*
+		 * If one changes this code not to reload the INT_MASK(s), you
+		 * need to know that code in the lock waiting above does not
+		 * reset the MASK registers back; so that code will need to be
+		 * changed.
+		 */
+		ldsr_lock_acquire();
+		asm volatile (
+		"	move.4 INT_MASK0, %0	\n\t"
+		"	move.4 INT_MASK1, %1	\n\t"
+			:
+			: "U4" (ldsr_interrupt.mask0), "U4" (ldsr_interrupt.mask1)
+		);
+		ldsr_lock_release();
+		thread_suspend();
+
+		/*
+		 * Read the interrupt status registers
+		 */
+		asm volatile (
+			"move.4 %0, INT_STAT0	\n\t"
+			"move.4 %1, INT_STAT1	\n\t"
+			: "=r" (stat0), "=r" (stat1)
+			:
+		);
+
+		/*
+		 * We only care about interrupts that we have been told to care
+		 * about.  The interrupt must be enabled, unmasked, and have
+		 * occurred in the hardware.
+		 */
+		ldsr_lock_acquire();
+		interrupt0 = ldsr_interrupt.enabled0 &
+			ldsr_interrupt.mask0 & stat0;
+		interrupt1 = ldsr_interrupt.enabled1 &
+			ldsr_interrupt.mask1 & stat1;
+		ldsr_lock_release();
+
+		/*
+		 * For each interrupt in the "snapshot" we will mask the
+		 * interrupt handle the interrupt (typically calling do_IRQ()).
+		 *
+		 * The interrupt is unmasked by desc->chip->end() function in
+		 * the per chip generic interrupt handling code
+		 * (arch/ubicom32/kernel/irq.c).8
+		 */
+		interrupts = ((unsigned long long)interrupt1 << 32) |
+			interrupt0;
+		while (interrupts) {
+			int all = 0;
+			int vector = ldsr_rotate_interrupts(interrupts);
+			interrupts &= ~((unsigned long long)1 << vector);
+
+			/*
+			 * Now mask off this vector so that the LDSR ignores
+			 * it until it is acknowledged.
+			 */
+			ldsr_mask_vector(vector);
+#if !defined(CONFIG_SMP)
+			ldsr_deliver_interrupt(vector, cpus, all);
+#else
+			cpus = smp_get_affinity(vector, &all);
+			if (!cpus) {
+				/*
+				 * No CPU to deliver to so just leave
+				 * the interrupt unmasked and increase
+				 * the backout count.  We will eventually
+				 * return and deliver it again.
+				 */
+				ldsr_unmask_vector(vector);
+				ldsr_interrupt.backout++;
+				continue;
+			}
+			ldsr_deliver_interrupt(vector, cpus, all);
+#endif
+		}
+	}
+
+	/* NOTREACHED */
+}
+
+/*
+ * ldsr_mask_vector()
+ *	Temporarily mask the interrupt vector, turn off the bit in the mask
+ *	register.
+ */
+void ldsr_mask_vector(unsigned int vector)
+{
+	unsigned int mask;
+	if (vector < 32) {
+		mask = ~(1 << vector);
+		ldsr_lock_acquire();
+		ldsr_interrupt.mask0 &= mask;
+		ldsr_lock_release();
+		thread_resume(ldsr_tid);
+		return;
+	}
+
+	mask = ~(1 << (vector - 32));
+	ldsr_lock_acquire();
+	ldsr_interrupt.mask1 &= mask;
+	ldsr_lock_release();
+	thread_resume(ldsr_tid);
+}
+
+/*
+ * ldsr_unmask_vector()
+ *	Unmask the interrupt vector so that it can be used, turn on the bit in
+ *	the mask register.
+ *
+ * Because it is legal for the interrupt path to disable an interrupt,
+ * the unmasking code must ensure that disabled interrupts are not
+ * unmasked.
+ */
+void ldsr_unmask_vector(unsigned int vector)
+{
+	unsigned int mask;
+	if (vector < 32) {
+		mask = (1 << vector);
+		ldsr_lock_acquire();
+		ldsr_interrupt.mask0 |= (mask & ldsr_interrupt.enabled0);
+		ldsr_lock_release();
+		thread_resume(ldsr_tid);
+		return;
+	}
+
+	mask = (1 << (vector - 32));
+	ldsr_lock_acquire();
+	ldsr_interrupt.mask1 |= (mask & ldsr_interrupt.enabled1);
+	ldsr_lock_release();
+	thread_resume(ldsr_tid);
+}
+
+/*
+ * ldsr_enable_vector()
+ *	The LDSR implements an interrupt controller and has a local (to the
+ *	LDSR) copy of its interrupt mask.
+ */
+void ldsr_enable_vector(unsigned int vector)
+{
+	unsigned int mask;
+	if (vector < 32) {
+		mask = (1 << vector);
+		ldsr_lock_acquire();
+		ldsr_interrupt.enabled0 |= mask;
+		ldsr_interrupt.mask0 |= mask;
+		ldsr_lock_release();
+		thread_resume(ldsr_tid);
+		return;
+	}
+
+	mask = (1 << (vector - 32));
+	ldsr_lock_acquire();
+	ldsr_interrupt.enabled1 |= mask;
+	ldsr_interrupt.mask1 |= mask;
+	ldsr_lock_release();
+	thread_resume(ldsr_tid);
+}
+
+/*
+ * ldsr_disable_vector()
+ *	The LDSR implements an interrupt controller and has a local (to the
+ *	LDSR) copy of its interrupt mask.
+ */
+void ldsr_disable_vector(unsigned int vector)
+{
+	unsigned int mask;
+
+	if (vector < 32) {
+		mask = ~(1 << vector);
+		ldsr_lock_acquire();
+		ldsr_interrupt.enabled0 &= mask;
+		ldsr_interrupt.mask0 &= mask;
+		ldsr_lock_release();
+		thread_resume(ldsr_tid);
+		return;
+	}
+
+	mask = ~(1 << (vector - 32));
+	ldsr_lock_acquire();
+	ldsr_interrupt.enabled1 &= mask;
+	ldsr_interrupt.mask1 &= mask;
+	ldsr_lock_release();
+	thread_resume(ldsr_tid);
+}
+
+/*
+ * ldsr_get_threadid()
+ *	Return the threadid of the LDSR thread.
+ */
+thread_t ldsr_get_threadid(void)
+{
+	return ldsr_tid;
+}
+
+/*
+ * ldsr_set_trap_irq()
+ *	Save away the trap Soft IRQ
+ *
+ * See the per thread lock suspend code above for an explination.
+ */
+void ldsr_set_trap_irq(unsigned int irq)
+{
+	ldsr_trap_irq = irq;
+	ldsr_trap_irq_mask = (1 << irq);
+	ldsr_suspend_mask |= ldsr_trap_irq_mask;
+}
+
+/*
+ * ldsr_init()
+ *	Initialize the LDSR (Interrupt Controller)
+ */
+void ldsr_init(void)
+{
+#if defined(CONFIG_IRQSTACKS)
+	int i;
+	union irq_ctx *icp;
+#endif
+
+	void *stack_high = (void *)ldsr_stack_space;
+	stack_high += sizeof(ldsr_stack_space);
+	stack_high -= 8;
+
+
+	/*
+	 * Obtain a soft IRQ to use
+	 */
+	if (irq_soft_alloc(&ldsr_soft_irq) < 0) {
+		panic("no software IRQ is available\n");
+		return;
+	}
+	ldsr_soft_irq_mask |= (1 << ldsr_soft_irq);
+	ldsr_suspend_mask |= ldsr_soft_irq_mask;
+
+	/*
+	 * Now allocate and start the LDSR thread.
+	 */
+	ldsr_tid = thread_alloc();
+	if (ldsr_tid < 0) {
+		panic("no thread available to run LDSR");
+		return;
+	}
+
+#if defined(CONFIG_IRQSTACKS)
+	/*
+	 * Initialize the per-cpu irq thread_info structure that
+	 * is at the top of each per-cpu irq stack.
+	 */
+	icp = (union irq_ctx *)
+		(((unsigned long)percpu_irq_stacks + (THREAD_SIZE - 1)) & ~(THREAD_SIZE - 1));
+	for (i = 0; i < NR_CPUS; i++) {
+		struct thread_info *ti = &(icp->tinfo);
+		ti->task = NULL;
+		ti->exec_domain = NULL;
+		ti->cpu = i;
+		ti->preempt_count = 0;
+		ti->interrupt_nesting = 0;
+		percpu_irq_ctxs[i] = icp++;
+	}
+#endif
+	thread_start(ldsr_tid, ldsr_thread, NULL,
+		     stack_high, THREAD_TYPE_NORMAL);
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/Makefile linux-2.6.30.10-ubi/arch/ubicom32/kernel/Makefile
--- linux-2.6.30.10/arch/ubicom32/kernel/Makefile	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/Makefile	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,64 @@
+#
+# arch/ubicom32/kernel/Makefile
+#	Main Makefile for the Ubicom32 arch directory.
+#
+# (C) Copyright 2009, Ubicom, Inc.
+#
+# This file is part of the Ubicom32 Linux Kernel Port.
+#
+# The Ubicom32 Linux Kernel Port is free software: you can redistribute
+# it and/or modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation, either version 2 of the
+# License, or (at your option) any later version.
+#
+# The Ubicom32 Linux Kernel Port is distributed in the hope that it
+# will be useful, but WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+# the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with the Ubicom32 Linux Kernel Port.  If not,
+# see <http://www.gnu.org/licenses/>.
+#
+# Ubicom32 implementation derived from (with many thanks):
+#   arch/m68knommu
+#   arch/blackfin
+#   arch/parisc
+#
+
+extra-y := head.o vmlinux.lds
+
+obj-y += \
+	devtree.o \
+	dma.o \
+	flat.o \
+	init_task.o \
+	irq.o \
+	ldsr.o \
+	os_node.o \
+	process.o \
+	processor.o \
+	ptrace.o \
+	setup.o \
+	signal.o \
+	stacktrace.o \
+	sys_ubicom32.o \
+	syscalltable.o \
+	thread.o \
+	time.o \
+	traps.o \
+	ubicom32_context_switch.o \
+	ubicom32_ksyms.o \
+	ubicom32_syscall.o \
+	unaligned_trap.o
+
+obj-$(CONFIG_MODULES)				+= module.o
+obj-$(CONFIG_COMEMPCI)				+= comempci.o
+obj-$(CONFIG_SMP)				+= smp.o topology.o
+obj-$(CONFIG_ACCESS_OK_CHECKS_ENABLED)		+= uaccess.o
+obj-$(CONFIG_GENERIC_CLOCKEVENTS)		+= timer_device.o
+obj-$(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST)	+= timer_broadcast.o
+
+ifndef CONFIG_GENERIC_CLOCKEVENTS
+obj-y			+= timer_tick.o
+endif
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/module.c linux-2.6.30.10-ubi/arch/ubicom32/kernel/module.c
--- linux-2.6.30.10/arch/ubicom32/kernel/module.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/module.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,463 @@
+/*
+ * arch/ubicom32/kernel/module.c
+ *   Ubicom32 architecture loadable module support.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/moduleloader.h>
+#include <linux/bug.h>
+#include <linux/elf.h>
+#include <linux/vmalloc.h>
+#include <linux/fs.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <asm/ocm-alloc.h>
+
+#if 0
+#define DEBUGP printk
+#else
+#define DEBUGP(fmt...)
+#endif
+
+static void _module_free_ocm(struct module *mod)
+{
+	printk(KERN_INFO "module arch cleanup %s: OCM instruction memory free "
+	       " of %d @%p\n", mod->name, mod->arch.ocm_inst_size,
+	       mod->arch.ocm_inst);
+
+	if (mod->arch.ocm_inst) {
+		ocm_inst_free(mod->arch.ocm_inst);
+		mod->arch.ocm_inst = 0;
+		mod->arch.ocm_inst_size = 0;
+	}
+}
+
+void *module_alloc(unsigned long size)
+{
+	if (size == 0)
+		return NULL;
+	return vmalloc(size);
+}
+
+
+/* Free memory returned from module_alloc */
+void module_free(struct module *mod, void *module_region)
+{
+	vfree(module_region);
+	/* FIXME: If module_region == mod->init_region, trim exception
+	   table entries. */
+
+	/*
+	 * This is expected to be final module free, use this to prune the
+	 * ocm
+	 */
+	if (module_region && module_region == mod->module_core)
+		_module_free_ocm(mod);
+
+}
+
+/*
+ * module_frob_arch_sections()
+ *	Called from kernel/module.c allowing arch specific handling of
+ *	sections/headers.
+ */
+int module_frob_arch_sections(Elf_Ehdr *hdr,
+			      Elf_Shdr *sechdrs,
+			      char *secstrings,
+			      struct module *mod)
+{
+	Elf_Shdr *s, *sechdrs_end;
+	void *ocm_inst = NULL;
+	int ocm_inst_size = 0;
+
+	/*
+	 * Ubicom32 v3 and v4 are almost binary compatible but not completely.
+	 * To be safe check that the module was compiled with the correct -march
+	 * which is flags.
+	 */
+#ifdef CONFIG_UBICOM32_V4
+	if ((hdr->e_flags & 0xFFFF) != EF_UBICOM32_V4) {
+		printk(KERN_WARNING "Module %s was not compiled for "
+		       "ubicom32v4, elf_flags:%x,\n",
+		       mod->name, hdr->e_flags);
+		return -ENOEXEC;
+	}
+#elif defined CONFIG_UBICOM32_V3
+	if ((hdr->e_flags & 0xFFFF) != EF_UBICOM32_V3) {
+		printk(KERN_WARNING "Module %s was not compiled for "
+		       "ubicom32v3, elf_flags:%x\n",
+		       mod->name, hdr->e_flags);
+		return -ENOEXEC;
+	}
+#else
+#error Unknown/Unsupported ubicom32 architecture.
+#endif
+
+	/*
+	 * XXX: sechdrs are vmalloced in kernel/module.c
+	 * and would be vfreed just after module is loaded,
+	 * so we hack to keep the only information we needed
+	 * in mod->arch to correctly free L1 I/D sram later.
+	 * NOTE: this breaks the semantic of mod->arch structure.
+	 */
+	sechdrs_end = sechdrs + hdr->e_shnum;
+	for (s = sechdrs; s < sechdrs_end; ++s) {
+		if (strncmp(".ocm_text", secstrings + s->sh_name, 9) == 0)
+			ocm_inst_size += s->sh_size;
+	}
+
+	if (!ocm_inst_size)
+		return 0;
+
+	ocm_inst = ocm_inst_alloc(ocm_inst_size, 0 /* internal */);
+	if (ocm_inst == NULL) {
+#ifdef CONFIG_OCM_MODULES_FALLBACK_TO_DDR
+		printk(KERN_WARNING
+		       "module %s: OCM instruction memory allocation of %d"
+		       "failed, fallback to DDR\n", mod->name, ocm_inst_size);
+		return 0;
+#else
+		printk(KERN_ERR
+		       "module %s: OCM instruction memory allocation of %d"
+		       "failed.\n", mod->name, ocm_inst_size);
+		return -ENOMEM;
+#endif
+	}
+
+	mod->arch.ocm_inst = ocm_inst;
+	mod->arch.ocm_inst_size = ocm_inst_size;
+
+	printk(KERN_INFO
+	       "module %s: OCM instruction memory allocation of %d @%p\n",
+	       mod->name, mod->arch.ocm_inst_size, mod->arch.ocm_inst);
+
+	for (s = sechdrs; s < sechdrs_end; ++s) {
+		if (strncmp(".ocm_text", secstrings + s->sh_name, 9) == 0) {
+			memcpy(ocm_inst, (void *)s->sh_addr, s->sh_size);
+			s->sh_flags &= ~SHF_ALLOC;
+			s->sh_addr = (unsigned long)ocm_inst;
+			ocm_inst += s->sh_size;
+		}
+	}
+
+	return 0;
+}
+
+int apply_relocate(Elf32_Shdr *sechdrs,
+		   const char *strtab,
+		   unsigned int symindex,
+		   unsigned int relsec,
+		   struct module *me)
+{
+	DEBUGP("Invalid Applying relocate section %u to %u\n", relsec,
+	       sechdrs[relsec].sh_info);
+	return -EINVAL;
+}
+
+int apply_relocate_add(Elf32_Shdr *sechdrs,
+		       const char *strtab,
+		       unsigned int symindex,
+		       unsigned int relsec,
+		       struct module *me)
+{
+	unsigned int i;
+	Elf32_Rela *rel = (void *)sechdrs[relsec].sh_addr;
+	Elf32_Sym *sym;
+	uint32_t *location;
+	uint32_t insn;
+
+	DEBUGP("Applying relocate_add section %u to %u\n", relsec,
+	       sechdrs[relsec].sh_info);
+	for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) {
+		uint32_t v;
+		const int elf32_rtype = ELF32_R_TYPE(rel[i].r_info);
+
+		/* This is where to make the change */
+		location = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr
+			+ rel[i].r_offset;
+		/* This is the symbol it is referring to.  Note that all
+		   undefined symbols have been resolved.  */
+		sym = (Elf32_Sym *)sechdrs[symindex].sh_addr
+			+ ELF32_R_SYM(rel[i].r_info);
+
+		v = rel[i].r_addend + sym->st_value;
+
+
+		switch (elf32_rtype) {
+		case R_UBICOM32_32:
+		{
+			/*
+			 * Store the 32 bit relocation as is.
+			 */
+			*location = v;
+			break;
+		}
+		case R_UBICOM32_HI24:
+		{
+			/*
+			 * 24 bit relocation that is part of the MOVEAI
+			 * instruction. The 24 bits come from bits 7 - 30 of the
+			 * relocation. Theses bits eventually get split into 2
+			 * fields in the instruction encoding.
+			 *
+			 * - Bits 7 - 27 of the relocation are encoded into bits
+			 * 0 - 20 of the instruction.
+			 *
+			 *  - Bits 28 - 30 of the relocation are encoded into
+			 *  bit 24 - 26 of the instruction.
+			 */
+			uint32_t valid24 = (v >> 7) & 0xffffff;
+			insn = *location;
+
+			insn &= ~(0x1fffff | (0x7 << 24));
+			insn |= (valid24 & 0x1fffff);
+			insn |= ((valid24 & 0xe00000) << 3);
+			*location = insn;
+		}
+		break;
+		case R_UBICOM32_LO7_S:
+		case R_UBICOM32_LO7_2_S:
+		case R_UBICOM32_LO7_4_S:
+		{
+			/*
+			 * Bits 0 - 6 of the relocation are encoded into the
+			 * 7bit unsigned immediate fields of the SOURCE-1 field
+			 * of the instruction.  The immediate value is left
+			 * shifted by (0, 1, 2) based on the operand size.
+			 */
+			uint32_t valid7 = v & 0x7f;
+			insn = *location;
+
+			if (elf32_rtype == R_UBICOM32_LO7_2_S) {
+				valid7 >>= 1;
+			} else if (elf32_rtype == R_UBICOM32_LO7_4_S) {
+				valid7 >>= 2;
+			}
+
+			insn &= ~(0x1f | (0x3 << 8));
+			insn |= (valid7 & 0x1f);
+			insn |= ((valid7 & 0x60) << 3);
+			*location = insn;
+		}
+		break;
+		case R_UBICOM32_LO7_D:
+		case R_UBICOM32_LO7_2_D:
+		case R_UBICOM32_LO7_4_D:
+		{
+			/*
+			 * Bits 0 - 6 of the relocation are encoded into the
+			 * 7bit unsigned immediate fields of the DESTINATION
+			 * field of the instruction.  The immediate value is
+			 * left shifted by (0, 1, 2) based on the operand size.
+			 */
+			uint32_t valid7 = v & 0x7f;
+			insn = *location;
+
+			if (elf32_rtype == R_UBICOM32_LO7_2_D) {
+				valid7 >>= 1;
+			} else if (elf32_rtype == R_UBICOM32_LO7_4_D) {
+				valid7 >>= 2;
+			}
+
+			insn &= ~((0x1f | (0x3 << 8)) << 16);
+			insn |= ((valid7 & 0x1f) << 16);
+			insn |= ((valid7 & 0x60) << 19);
+			*location = insn;
+		}
+		break;
+		case R_UBICOM32_LO7_CALLI:
+		case R_UBICOM32_LO16_CALLI:
+		{
+			/*
+			 * Extract the offset for a CALLI instruction. The
+			 * offsets can be either 7 bits or 18 bits. Since all
+			 * instructions in ubicom32 architecture are at work
+			 * aligned addresses the truncated offset is right
+			 * shifted by 2 before being encoded in the instruction.
+			 */
+			uint32_t val;
+			if (elf32_rtype == R_UBICOM32_LO7_CALLI) {
+				val  = v & 0x7f;
+			} else {
+				val  = v & 0x3ffff;
+			}
+
+			val >>= 2;
+
+			insn = *location;
+
+			insn &= ~0x071f071f;
+			insn |= (val & 0x1f) << 0;
+			val >>= 5;
+			insn |= (val & 0x07) << 8;
+			val >>= 3;
+			insn |= (val & 0x1f) << 16;
+			val >>= 5;
+			insn |= (val & 0x07) << 24;
+			*location = insn;
+		}
+		break;
+		case R_UBICOM32_24_PCREL:
+		{
+			/*
+			 * Extract 26 bit signed PC relative offset for CALL
+			 * instructions. Since instruction addresses are word
+			 * aligned the offset is right shited by 2 before
+			 * encoding into instruction.
+			 */
+			int32_t val = v - (int32_t)location;
+
+			/*
+			 * Check that the top 7 bits are all equal to the sign
+			 * bit (26), i.e all 0's or all 1's.  If they are not then
+			 * the absolute difference is greater than 25 bits.
+			 */
+			if (((uint32_t)val & 0xFE000000) != 0xFE000000 &&
+				((uint32_t)val & 0xFE000000) != 0x0) {
+				/*
+				 * The relocation is beyond our addressable
+				 * range with a 26 bit call.
+				 */
+				printk(KERN_ERR "module %s: PC Relative "
+					"relocation out of range: "
+					"%u (%x->%x, %x)\n",
+					me->name, elf32_rtype,
+					v, (uint32_t) location, val);
+				return -ENOEXEC;
+			}
+
+			val = (val & 0x3ffffff) >> 2;
+			insn = *location;
+			insn = insn & 0xf8e00000;
+
+			insn |= (val >> 21) << 24;
+			insn |= (val & 0x1fffff);
+			*location = insn;
+		}
+		break;
+		case R_UBICOM32_LO16:
+		case R_UBICOM32_HI16:
+		{
+			/*
+			 * 16 bit immediate value that is encoded into bit 0 -
+			 * 15 of the instruction.
+			 */
+			uint32_t val;
+
+			if (elf32_rtype == R_UBICOM32_LO16) {
+				val  = v & 0xffff;
+			} else {
+				val  = (v >> 16) & 0xffff;
+			}
+
+			insn = *location;
+			insn &= 0xffff0000;
+
+			insn |= val;
+			*location = insn;
+		}
+		break;
+		case R_UBICOM32_21_PCREL:
+		{
+			/*
+			 * Extract 23 bit signed PC relative offset for JMP<cc>
+			 * instructions. Since instruction addresses are word
+			 * aligned the offset is right shited by 2 before
+			 * encoding into instruction.
+			 */
+			int32_t val = v - (int32_t)location;
+
+			val = (val & 0x7fffff) >> 2;
+			insn = *location;
+			insn = insn & 0xffe00000;
+
+			insn |= (val >> 21) << 24;
+			insn |= val;
+			*location = insn;
+		}
+		break;
+		default:
+			BUG();
+			printk(KERN_ERR "module %s: Unknown relocation: %u\n",
+			       me->name, elf32_rtype);
+			return -ENOEXEC;
+		}
+	}
+	return 0;
+}
+
+int module_finalize(const Elf_Ehdr *hdr,
+		    const Elf_Shdr *sechdrs,
+		    struct module *mod)
+{
+	unsigned int i, strindex = 0, symindex = 0;
+	char *secstrings;
+	int err;
+
+	err = module_bug_finalize(hdr, sechdrs, mod);
+	if (err)
+		return err;
+
+	if (!mod->arch.ocm_inst) {
+		/*
+		 * No OCM code, so nothing more to do.
+		 */
+		return 0;
+	}
+
+	secstrings = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset;
+
+	for (i = 1; i < hdr->e_shnum; i++) {
+		/* Internal symbols and strings. */
+		if (sechdrs[i].sh_type == SHT_SYMTAB) {
+			symindex = i;
+			strindex = sechdrs[i].sh_link;
+		}
+	}
+
+	for (i = 1; i < hdr->e_shnum; i++) {
+		const char *strtab = (char *)sechdrs[strindex].sh_addr;
+		unsigned int info = sechdrs[i].sh_info;
+
+		/* Not a valid relocation section? */
+		if (info >= hdr->e_shnum)
+			continue;
+
+		if ((sechdrs[i].sh_type == SHT_RELA) &&
+		    (strncmp(".rela.ocm_text",
+			     secstrings + sechdrs[i].sh_name, 5 + 9) == 0)) {
+			err = apply_relocate_add((Elf_Shdr *) sechdrs, strtab,
+						 symindex, i, mod);
+			if (err)
+				return err;
+		}
+	}
+
+	return 0;
+}
+
+void module_arch_cleanup(struct module *mod)
+{
+	module_bug_cleanup(mod);
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/os_node.c linux-2.6.30.10-ubi/arch/ubicom32/kernel/os_node.c
--- linux-2.6.30.10/arch/ubicom32/kernel/os_node.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/os_node.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,88 @@
+/*
+ * arch/ubicom32/kernel/os_node.c
+ *   <TODO: Replace with short file description>
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ */
+#include "linux/types.h"
+#include "linux/linkage.h"
+#include "linux/uts.h"
+#include "linux/utsrelease.h"
+#include "linux/version.h"
+#include <asm/ocm_size.h>
+#include <asm/devtree.h>
+#include <asm/ip5000.h>
+
+extern asmlinkage void *_start;
+
+/*
+ * This file provides static information to the boot code allowing it to decide
+ * if the os is compatible. Thus hopefully enabling the boot code to prevent
+ * accidentally booting a kernel that has no hope of running.
+ */
+struct os_node {
+	struct devtree_node node;
+	unsigned long version; /* Always 1 */
+	unsigned long entry_point;
+	const char    os_name[32]; /* For diagnostic purposes only */
+	const char    os_version_str[32];
+	unsigned long os_version_num;
+	unsigned long expected_ocm_code_start;/* OS Code */
+	unsigned long expected_ocm_data_end;  /* OS Data */
+	unsigned long expected_ram_start;
+	unsigned long expected_ram_end;
+	unsigned long arch_version;
+	unsigned long expected_os_syscall_begin;
+	unsigned long expected_os_syscall_end;
+};
+
+
+extern void __os_syscall_begin;
+extern void __os_syscall_end;
+/*
+ * The os_node is only referenced by head.S and should never be modified at
+ * run-time.
+ */
+asmlinkage const struct os_node _os_node = {
+	.node = {
+		.next = NULL,
+		.name = { "OS" },
+		.magic = 0x10203040,
+	},
+	.version = 0x10002,
+	.entry_point = (unsigned long)&_start,
+#if APP_OCM_CODE_SIZE || APP_OCM_DATA_SIZE
+	.expected_ocm_code_start = OCMSTART + APP_OCM_CODE_SIZE,
+	.expected_ocm_data_end   = OCMEND   - APP_OCM_DATA_SIZE,
+#else
+	.expected_ocm_code_start = OCMEND,
+	.expected_ocm_data_end   = OCMEND,
+#endif
+	.os_name = { UTS_SYSNAME },
+	.os_version_str = { UTS_RELEASE },
+	.os_version_num = LINUX_VERSION_CODE,
+	.expected_ram_start = KERNELSTART,
+	.expected_ram_end = SDRAMSTART + CONFIG_MIN_RAMSIZE,
+	.arch_version = UBICOM32_ARCH_VERSION,
+	.expected_os_syscall_begin = (unsigned long)&__os_syscall_begin,
+	.expected_os_syscall_end = (unsigned long)&__os_syscall_end,
+
+
+};
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/process.c linux-2.6.30.10-ubi/arch/ubicom32/kernel/process.c
--- linux-2.6.30.10/arch/ubicom32/kernel/process.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/process.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,634 @@
+/*
+ * arch/ubicom32/kernel/process.c
+ *   Ubicom32 architecture-dependent process handling.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 1995  Hamish Macdonald
+ *
+ * 68060 fixes by Jesper Skov
+ *
+ * uClinux changes
+ * Copyright (C) 2000-2002, David McCullough <davidm@snapgear.com>
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+/*
+ * This file handles the architecture-dependent parts of process handling..
+ */
+
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/sched.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/smp.h>
+#include <linux/smp_lock.h>
+#include <linux/stddef.h>
+#include <linux/unistd.h>
+#include <linux/ptrace.h>
+#include <linux/slab.h>
+#include <linux/user.h>
+#include <linux/a.out.h>
+#include <linux/interrupt.h>
+#include <linux/reboot.h>
+#include <linux/fs.h>
+#include <linux/pm.h>
+
+#include <linux/uaccess.h>
+#include <asm/system.h>
+#include <asm/traps.h>
+#include <asm/machdep.h>
+#include <asm/setup.h>
+#include <asm/pgtable.h>
+#include <asm/ip5000.h>
+#include <asm/range-protect.h>
+
+#define DUMP_RANGE_REGISTER(REG, IDX) asm volatile ( \
+        "       move.4          %0, "REG"_RANGE"IDX"_EN \n\t" \
+        "       move.4          %1, "REG"_RANGE"IDX"_LO \n\t" \
+        "       move.4          %2, "REG"_RANGE"IDX"_HI \n\t" \
+                : "=d"(en), "=d"(lo), "=d"(hi) \
+        ); \
+        printk(KERN_NOTICE REG"Range"IDX": en:%08x, range: %08x-%08x\n", \
+                (unsigned int)en, \
+                (unsigned int)lo, \
+                (unsigned int)hi)
+
+asmlinkage void ret_from_fork(void);
+
+void (*pm_power_off)(void) = machine_power_off;
+EXPORT_SYMBOL(pm_power_off);
+
+/* machine-dependent / hardware-specific power functions */
+void (*mach_reset)(void);
+void (*mach_halt)(void);
+void (*mach_power_off)(void);
+
+/*
+ * cpu_idle()
+ *	The idle thread.
+ *
+ * Our idle loop suspends and is woken up by a timer interrupt.
+ */
+void cpu_idle(void)
+{
+	while (1) {
+		local_irq_disable();
+		while (!need_resched()) {
+			local_irq_enable();
+			thread_suspend();
+			local_irq_disable();
+		}
+		local_irq_enable();
+		preempt_enable_no_resched();
+		schedule();
+		preempt_disable();
+	}
+}
+
+/*
+ * dump_fpu()
+ *
+ *	Fill in the fpu structure for a core dump. (just a stub as we don't have
+ *	an fpu)
+ */
+int dump_fpu(struct pt_regs *regs, elf_fpregset_t * fpregs)
+{
+	return 1;
+}
+
+/*
+ * machine_restart()
+ *	Resets the system.
+ */
+void machine_restart(char *__unused)
+{
+	/*
+	 * Disable all threads except myself. We can do this
+	 * directly without needing to call smp_send_stop
+	 * because we have a unique architecture where
+	 * one thread can disable one or more other threads.
+	 */
+	thread_disable_others();
+
+	/*
+	 * Call the hardware-specific machine reset function.
+	 */
+	if (mach_reset) {
+		mach_reset();
+	}
+
+	printk(KERN_EMERG "System Restarting\n");
+
+	/*
+	 * Set watchdog to trigger (after 1ms delay) (12 Mhz is the fixed OSC)
+	 */
+	UBICOM32_IO_TIMER->tkey = TIMER_TKEYVAL;
+	UBICOM32_IO_TIMER->wdcom = UBICOM32_IO_TIMER->mptval +
+		(12000000 / 1000);
+	UBICOM32_IO_TIMER->wdcfg = 0;
+	UBICOM32_IO_TIMER->tkey = 0;
+
+	/*
+	 * Wait for watchdog
+	 */
+	asm volatile (
+		"	move.4		MT_EN, #0		\n\t"
+		"	pipe_flush	0			\n\t"
+	);
+
+	local_irq_disable();
+	for (;;) {
+		thread_suspend();
+	}
+}
+
+/*
+ * machine_halt()
+ *	Halt the machine.
+ *
+ * Similar to machine_power_off, but don't shut off power.  Add code
+ * here to freeze the system for e.g. post-mortem debug purpose when
+ * possible.  This halt has nothing to do with the idle halt.
+ */
+void machine_halt(void)
+{
+	/*
+	 * Disable all threads except myself. We can do this
+	 * directly without needing to call smp_send_stop
+	 * because we have a unique architecture where
+	 * one thread can disable one or more other threads.
+	 */
+	thread_disable_others();
+
+	/*
+	 * Call the hardware-specific machine halt function.
+	 */
+	if (mach_halt) {
+		mach_halt();
+	}
+
+	printk(KERN_EMERG "System Halted, OK to turn off power\n");
+	local_irq_disable();
+	for (;;) {
+		thread_suspend();
+	}
+}
+
+/*
+ * machine_power_off()
+ *	Turn the power off, if a power off handler is defined, otherwise, spin
+ *	endlessly.
+ */
+void machine_power_off(void)
+{
+	/*
+	 * Disable all threads except myself. We can do this
+	 * directly without needing to call smp_send_stop
+	 * because we have a unique architecture where
+	 * one thread can disable one or more other threads.
+	 */
+	thread_disable_others();
+
+	/*
+	 * Call the hardware-specific machine power off function.
+	 */
+	if (mach_power_off) {
+		mach_power_off();
+	}
+
+	printk(KERN_EMERG "System Halted, OK to turn off power\n");
+	local_irq_disable();
+	for (;;) {
+		thread_suspend();
+	}
+}
+
+/*
+ * address_is_valid()
+ * 	check if an address is valid -- (for read access)
+ */
+static bool address_is_valid(const void *address)
+{
+	int addr = (int)address;
+	unsigned long socm, eocm, sdram, edram;
+
+	if (addr & 3)
+		return false;
+
+	processor_ocm(&socm, &eocm);
+	processor_dram(&sdram, &edram);
+	if (addr >= socm && addr < eocm)
+		return true;
+
+	if (addr >= sdram && addr < edram)
+		return true;
+
+	return false;
+}
+
+/*
+ * vma_path_name_is_valid()
+ * 	check if path_name of a vma is a valid string
+ */
+static bool vma_path_name_is_valid(const char *str)
+{
+#define MAX_NAME_LEN 256
+	int i = 0;
+	if (!address_is_valid(str))
+		return false;
+
+	for (; i < MAX_NAME_LEN; i++, str++) {
+		if (*str == '\0')
+			return true;
+	}
+
+	return false;
+}
+
+/*
+ * show_vmas()
+ * 	show vma info of a process
+ */
+void show_vmas(struct task_struct *task)
+{
+#ifdef CONFIG_DEBUG_VERBOSE
+#define UBICOM32_MAX_VMA_COUNT 1024
+
+	struct vm_area_struct *vma;
+	struct file *file;
+	char *name = "";
+	int flags, loop = 0;
+
+	printk(KERN_NOTICE "Start of vma list\n");
+
+	if (!address_is_valid(task) || !address_is_valid(task->mm))
+		goto error;
+
+	vma = task->mm->mmap;
+	while (vma) {
+		if (!address_is_valid(vma))
+			goto error;
+
+		flags = vma->vm_flags;
+		file = vma->vm_file;
+
+		if (file) {
+			/* seems better to use dentry op here, but sanity check is easier this way */
+			if (!address_is_valid(file) || !address_is_valid(file->f_path.dentry) || !vma_path_name_is_valid(file->f_path.dentry->d_name.name))
+				goto error;
+
+			name = (char *)file->f_path.dentry->d_name.name;
+		}
+
+		/* Similar to /proc/pid/maps format */
+		printk(KERN_NOTICE "%08lx-%08lx %c%c%c%c %08lx %s\n",
+			vma->vm_start,
+			vma->vm_end,
+			flags & VM_READ ? 'r' : '-',
+			flags & VM_WRITE ? 'w' : '-',
+			flags & VM_EXEC ? 'x' : '-',
+			flags & VM_MAYSHARE ? flags & VM_SHARED ? 'S' : 's' : 'p',
+			vma->vm_pgoff << PAGE_SHIFT,
+			name);
+
+		vma = vma->vm_next;
+
+		if (loop++ > UBICOM32_MAX_VMA_COUNT)
+			goto error;
+	}
+
+	printk(KERN_NOTICE "End of vma list\n");
+	return;
+
+error:
+	printk(KERN_NOTICE "\nCorrupted vma list, abort!\n");
+#endif
+}
+
+/*
+ * show_regs()
+ *	Print out all of the registers.
+ */
+void show_regs(struct pt_regs *regs)
+{
+	unsigned int i;
+	unsigned int en, lo, hi;
+
+	printk(KERN_NOTICE "regs: %p, tid: %d\n",
+		(void *)regs,
+		thread_get_self());
+
+	printk(KERN_NOTICE "pc: %08x, previous_pc: %08x\n\n",
+		(unsigned int)regs->pc,
+		(unsigned int)regs->previous_pc);
+
+	printk(KERN_NOTICE "Data registers\n");
+	for (i = 0; i < 16; i++) {
+		printk("D%02d: %08x, ", i, (unsigned int)regs->dn[i]);
+		if ((i % 4) == 3) {
+			printk("\n");
+		}
+	}
+	printk("\n");
+
+	printk(KERN_NOTICE "Address registers\n");
+	for (i = 0; i < 8; i++) {
+		printk("A%02d: %08x, ", i, (unsigned int)regs->an[i]);
+		if ((i % 4) == 3) {
+			printk("\n");
+		}
+	}
+	printk("\n");
+
+	printk(KERN_NOTICE "acc0: %08x-%08x, acc1: %08x-%08x\n",
+		(unsigned int)regs->acc0[1],
+		(unsigned int)regs->acc0[0],
+		(unsigned int)regs->acc1[1],
+		(unsigned int)regs->acc1[0]);
+
+	printk(KERN_NOTICE "mac_rc16: %08x, source3: %08x\n",
+		(unsigned int)regs->mac_rc16,
+		(unsigned int)regs->source3);
+
+	printk(KERN_NOTICE "inst_cnt: %08x, csr: %08x\n",
+		(unsigned int)regs->inst_cnt,
+		(unsigned int)regs->csr);
+
+	printk(KERN_NOTICE "int_mask0: %08x, int_mask1: %08x\n",
+		(unsigned int)regs->int_mask0,
+		(unsigned int)regs->int_mask1);
+
+	/*
+	 * Dump range registers
+	 */
+	DUMP_RANGE_REGISTER("I", "0");
+	DUMP_RANGE_REGISTER("I", "1");
+	DUMP_RANGE_REGISTER("I", "2");
+	DUMP_RANGE_REGISTER("I", "3");
+	DUMP_RANGE_REGISTER("D", "0");
+	DUMP_RANGE_REGISTER("D", "1");
+	DUMP_RANGE_REGISTER("D", "2");
+	DUMP_RANGE_REGISTER("D", "3");
+	DUMP_RANGE_REGISTER("D", "4");
+
+	printk(KERN_NOTICE "frame_type: %d, nesting_level: %d, thread_type %d\n\n",
+		(int)regs->frame_type,
+		(int)regs->nesting_level,
+		(int)regs->thread_type);
+}
+
+/*
+ * kernel_thread_helper()
+ *	On execution d0 will be 0, d1 will be the argument to be passed to the
+ *	kernel function.  d2 contains the kernel function that needs to get
+ *	called. d3 will contain address to do_exit which need to get moved
+ *	into a5. On return from fork the child thread d0 will be 0. We call
+ *	this dummy function which in turn loads the argument
+ */
+asmlinkage void kernel_thread_helper(void);
+
+/*
+ * kernel_thread()
+ *	Create a kernel thread
+ */
+int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags)
+{
+	struct pt_regs regs;
+
+	memset(&regs, 0, sizeof(regs));
+
+	regs.dn[1] = (unsigned long)arg;
+	regs.dn[2] = (unsigned long)fn;
+	regs.dn[3] = (unsigned long)do_exit;
+	regs.an[5] = (unsigned long)kernel_thread_helper;
+	regs.pc = (unsigned long)kernel_thread_helper;
+	regs.nesting_level = 0;
+	regs.thread_type = KERNEL_THREAD;
+
+	return do_fork(flags | CLONE_VM | CLONE_UNTRACED,
+		       0, &regs, 0, NULL, NULL);
+}
+EXPORT_SYMBOL(kernel_thread);
+
+/*
+ * flush_thread()
+ *	XXX todo
+ */
+void flush_thread(void)
+{
+	/* XXX todo */
+}
+
+/*
+ * sys_fork()
+ *	Not implemented on no-mmu.
+ */
+asmlinkage int sys_fork(struct pt_regs *regs)
+{
+	/* fork almost works, enough to trick you into looking elsewhere :-( */
+	return -EINVAL;
+}
+
+/*
+ * sys_vfork()
+ *	By the time we get here, the non-volatile registers have also been saved
+ *	on the stack. We do some ugly pointer stuff here.. (see also copy_thread
+ *	which does context copy).
+ */
+asmlinkage int sys_vfork(struct pt_regs *regs)
+{
+	unsigned long old_sp = regs->an[7];
+	unsigned long old_a5 = regs->an[5];
+	unsigned long old_return_address;
+	long do_fork_return;
+
+	/*
+	 * Read the old retrun address from the stack.
+	 */
+	if (copy_from_user(&old_return_address,
+			   (void *)old_sp, sizeof(unsigned long))) {
+		force_sig(SIGSEGV, current);
+		return 0;
+	}
+
+	/*
+	 * Pop the vfork call frame by setting a5 and pc to the old_return
+	 * address and incrementing the stack pointer by 4.
+	 */
+	regs->an[5] = old_return_address;
+	regs->pc = old_return_address;
+	regs->an[7] += 4;
+
+	do_fork_return = do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD,
+				 regs->an[7], regs, 0, NULL, NULL);
+
+	/*
+	 * Now we have to test if the return code is an error. If it is an error
+	 * then restore the frame and we will execute error processing in user
+	 * space. Other wise the child and the parent will return to the correct
+	 * places.
+	 */
+	if ((unsigned long)(do_fork_return) >= (unsigned long)(-125)) {
+		/*
+		 * Error case. We need to restore the frame.
+		 */
+		regs->an[5] = old_a5;
+		regs->pc = old_a5;
+		regs->an[7] = old_sp;
+	}
+
+	return do_fork_return;
+}
+
+/*
+ * sys_clone()
+ *	creates a child thread.
+ */
+asmlinkage int sys_clone(unsigned long clone_flags,
+			 unsigned long newsp,
+			 struct pt_regs *regs)
+{
+	if (!newsp)
+		newsp = regs->an[7];
+	return do_fork(clone_flags, newsp, regs, 0,
+		       NULL, NULL);
+}
+
+/*
+ * copy_thread()
+ *	low level thread copy, only used by do_fork in kernel/fork.c
+ */
+int copy_thread(unsigned long clone_flags,
+		unsigned long usp, unsigned long topstk,
+		struct task_struct *p, struct pt_regs *regs)
+
+{
+	struct pt_regs *childregs;
+
+	childregs = (struct pt_regs *)
+		(task_stack_page(p) + THREAD_SIZE - 8) - 1;
+
+	*childregs = *regs;
+
+	/*
+	 * Set return value for child to be 0.
+	 */
+	childregs->dn[0] = 0;
+
+	if (usp)
+		childregs->an[7] = usp;
+	else
+		childregs->an[7] = (unsigned long)task_stack_page(p) +
+			THREAD_SIZE - 8;
+
+	/*
+	 * Set up the switch_to frame to return to "ret_from_fork"
+	 */
+	p->thread.a5 = (unsigned long)ret_from_fork;
+	p->thread.sp = (unsigned long)childregs;
+
+	return 0;
+}
+
+/*
+ * sys_execve()
+ *	executes a new program.
+ */
+asmlinkage int sys_execve(char *name, char **argv,
+			  char **envp, struct pt_regs *regs)
+{
+	int error;
+	char *filename;
+
+	lock_kernel();
+	filename = getname(name);
+	error = PTR_ERR(filename);
+	if (IS_ERR(filename))
+		goto out;
+	error = do_execve(filename, argv, envp, regs);
+	putname(filename);
+	asm ("       .global sys_execve_complete\n"
+	     "       sys_execve_complete:");
+out:
+	unlock_kernel();
+	return error;
+}
+
+/*
+ * Return saved PC of a blocked thread.
+ */
+unsigned long thread_saved_pc(struct task_struct *tsk)
+{
+	return tsk->thread.a5;
+}
+
+
+unsigned long get_wchan(struct task_struct *p)
+{
+	unsigned long pc;
+
+	/*
+	 * If we don't have a process, or it is not the current
+	 * one or not RUNNING, it makes no sense to ask for a
+	 * wchan.
+	 */
+	if (!p || p == current || p->state == TASK_RUNNING)
+		return 0;
+
+	/*
+	 * TODO: If the process is in the middle of schedule, we
+	 * are supposed to do something different but for now we
+	 * will return the same thing in both situations.
+	 */
+	pc = thread_saved_pc(p);
+	if (in_sched_functions(pc))
+		return pc;
+	return pc;
+}
+
+
+/*
+ * Infrequently used interface to dump task registers to core files.
+ */
+int dump_task_regs(struct task_struct *task, elf_gregset_t *elfregs)
+{
+	struct pt_regs *regs = task_pt_regs(task);
+	*(struct pt_regs *)elfregs = *regs;
+
+	return 1;
+}
+
+/*
+ * __switch_to is the function that implements the contex save and
+ * switch within the kernel. Since this is a function call very few
+ * registers have to be saved to pull this off. d0 holds prev and we
+ * want to preserve it. prev_switch is a pointer to task->thread
+ * structure. This is where we will save the register state. next_switch
+ * is pointer to the next task's thread structure that holds the
+ * registers.
+ */
+asmlinkage void *__switch_to(struct task_struct *prev,
+			     struct thread_struct *prev_switch,
+			     struct thread_struct *next_switch)
+	__attribute__((naked));
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/processor.c linux-2.6.30.10-ubi/arch/ubicom32/kernel/processor.c
--- linux-2.6.30.10/arch/ubicom32/kernel/processor.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/processor.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,348 @@
+/*
+ * arch/ubicom32/kernel/processor.c
+ *   Ubicom32 architecture processor info implementation.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/profile.h>
+#include <linux/clocksource.h>
+#include <linux/types.h>
+#include <linux/seq_file.h>
+#include <linux/delay.h>
+#include <linux/cpu.h>
+#include <asm/devtree.h>
+#include <asm/processor.h>
+#include <asm/cpu.h>
+#include <asm/ocm_size.h>
+
+struct procnode {
+	struct devtree_node dn;
+	unsigned int threads;
+	unsigned int timers;
+	unsigned int frequency;
+	unsigned int ddr_frequency;
+	unsigned int interrupt0;
+	unsigned int interrupt1;
+	void *socm;
+	void *eocm;
+	void *sdram;
+	void *edram;
+	unsigned int arch_version;
+	void *os_syscall_begin;
+	void *os_syscall_end;
+};
+
+struct procnode *pn;
+
+/*
+ * show_processorinfo()
+ *	Print the actual processor information.
+ */
+static void show_processorinfo(struct seq_file *m)
+{
+	char *cpu, *mmu, *fpu;
+	unsigned int clockfreq;
+	unsigned int chipid;
+
+	cpu = CPU;
+	mmu = "none";
+	fpu = "none";
+
+	asm volatile (
+	"move.4		%0, CHIP_ID	\n\t"
+	: "=r" (chipid)
+	);
+
+	/*
+	 * General Processor Information.
+	 */
+	seq_printf(m, "Vendor:\t\t%s\n", "Ubicom");
+	seq_printf(m, "CPU:\t\t%s\n", cpu);
+	seq_printf(m, "MMU:\t\t%s\n", mmu);
+	seq_printf(m, "FPU:\t\t%s\n", fpu);
+	seq_printf(m, "Arch:\t\t%hx\n", chipid >> 16);
+	seq_printf(m, "Rev:\t\t%hx\n", (chipid & 0xffff));
+
+	/*
+	 * Now compute the clock frequency in Mhz.
+	 */
+	clockfreq = processor_frequency();
+	seq_printf(m, "Clock Freq:\t%u.0 MHz\n",
+		   clockfreq / 1000000);
+	seq_printf(m, "DDR Freq:\t%u.0 MHz\n",
+		   pn ? pn->ddr_frequency / 1000000 : 0);
+	seq_printf(m, "BogoMips:\t%lu.%02lu\n",
+		   (loops_per_jiffy * HZ) / 500000,
+		   ((loops_per_jiffy * HZ) / 5000) % 100);
+	seq_printf(m, "Calibration:\t%lu loops\n", (loops_per_jiffy * HZ));
+}
+
+/*
+ * show_cpuinfo()
+ *	Get CPU information for use by the procfs.
+ */
+static int show_cpuinfo(struct seq_file *m, void *v)
+{
+	unsigned long n = (unsigned long)v - 1;
+
+#if defined(CONFIG_SMP)
+	struct cpuinfo_ubicom32 *p = &per_cpu(cpu_data, n);
+#endif
+
+	/*
+	 * Print the general processor information on the first
+	 * call.
+	 */
+	if (n == 0) {
+		show_processorinfo(m);
+	}
+
+#if defined(CONFIG_SMP)
+	/*
+	 * For each hwthread, print if this hwthread is running Linux
+	 * or is an I/O thread.
+	 */
+	if (cpu_isset(n, cpu_online_map)) {
+		seq_printf(m, "cpu[%02lu]:\tthread id - %lu\n", n, p->tid);
+	} else {
+		seq_printf(m, "cpu[%02lu]:\toff-line\n", n);
+	}
+#endif
+	return 0;
+
+}
+
+static void *c_start(struct seq_file *m, loff_t *pos)
+{
+	unsigned long i = *pos;
+
+	return i < NR_CPUS ? (void *)(i + 1) : NULL;
+}
+
+static void *c_next(struct seq_file *m, void *v, loff_t *pos)
+{
+	++*pos;
+	return c_start(m, pos);
+}
+
+static void c_stop(struct seq_file *m, void *v)
+{
+}
+
+const struct seq_operations cpuinfo_op = {
+	.start	= c_start,
+	.next	= c_next,
+	.stop	= c_stop,
+	.show	= show_cpuinfo,
+};
+
+/*
+ * processor_timers()
+ *	Returns the timers available to Linux.
+ */
+unsigned int processor_timers(void)
+{
+	if (!pn) {
+		return 0;
+	}
+	return pn->timers;
+}
+
+/*
+ * processor_threads()
+ *	Returns the threads available to Linux.
+ */
+unsigned int processor_threads(void)
+{
+	if (!pn) {
+		return 0;
+	}
+	return pn->threads;
+}
+
+/*
+ * processor_frequency()
+ *	Returns the frequency of the system clock.
+ */
+unsigned int processor_frequency(void)
+{
+	if (!pn) {
+		return 0;
+	}
+	return pn->frequency;
+}
+EXPORT_SYMBOL(processor_frequency);
+
+/*
+ * processor_interrupts()
+ *	Return the interrupts that are setup at boot time.
+ */
+int processor_interrupts(unsigned int *int0, unsigned int *int1)
+{
+	if (!pn) {
+		return -EFAULT;
+	}
+
+	if (int0) {
+		*int0 = pn->interrupt0;
+	}
+
+	if (int1) {
+		*int1 = pn->interrupt1;
+	}
+	return 0;
+}
+
+/*
+ * processor_ocm()
+ *	Returns the start and end of OCM available to Linux.
+ */
+void processor_ocm(unsigned long *socm, unsigned long *eocm)
+{
+	*socm = (unsigned long)pn->socm;
+	*eocm = (unsigned long)pn->eocm;
+}
+
+/*
+ * processor_dram()
+ *	Returns the start and end of dram available to Linux.
+ */
+void processor_dram(unsigned long *sdram, unsigned long *edram)
+{
+	*sdram = (unsigned long)pn->sdram;
+	*edram = (unsigned long)pn->edram;
+}
+
+/*
+ * processor_validate_failed()
+ *	Returns the dram available to Linux.
+ */
+static noinline void processor_validate_failed(void)
+{
+	while (1)
+		THREAD_STALL;
+}
+
+/*
+ * processor_validate()
+ *	Validates the procnode against limitations of this link/built.
+ */
+static void processor_validate(void)
+{
+	void *dram_start = (void *)(KERNELSTART);
+	void *dram_end   = (void *)(SDRAMSTART + CONFIG_MIN_RAMSIZE);
+#if APP_OCM_CODE_SIZE || APP_OCM_DATA_SIZE
+	void *ocm_code_start = (void *)(OCMSTART + APP_OCM_CODE_SIZE);
+	void *ocm_data_end   = (void *)(OCMEND   - APP_OCM_DATA_SIZE);
+#endif
+	extern void __os_syscall_begin;
+	extern void __os_syscall_end;
+	int proc_node_valid = 1;
+
+	if (!pn) {
+		printk(KERN_ERR "ERROR: processor node not found\n");
+		goto error;
+	}
+
+
+	if (dram_start < pn->sdram || dram_end > pn->edram) {
+		printk(KERN_ERR "ERROR: processor dram mismatch %p-%p "
+		       "available but we are expecting %p-%p\n",
+		       pn->sdram, pn->edram, dram_start, dram_end);
+		proc_node_valid = 0;
+	} else {
+		printk(KERN_ERR "processor dram %p-%p, expecting %p-%p\n",
+		       pn->sdram, pn->edram, dram_start, dram_end);
+	}
+	if (&__os_syscall_begin < pn->os_syscall_begin ||
+	    &__os_syscall_end > pn->os_syscall_end) {
+		printk(KERN_ERR "ERROR: processor syscall area mismatch "
+		       "%p-%p available but we are expecting %p-%p\n",
+		       pn->os_syscall_begin, pn->os_syscall_end,
+		       &__os_syscall_begin, &__os_syscall_end);
+		proc_node_valid = 0;
+	} else {
+		printk(KERN_ERR "processor dram %p-%p, expecting %p-%p\n",
+		       pn->sdram, pn->edram, dram_start, dram_end);
+	}
+#if APP_OCM_CODE_SIZE || APP_OCM_DATA_SIZE
+	if (ocm_code_start < pn->socm ||  ocm_data_end > pn->eocm) {
+		printk(KERN_ERR "ERROR: processor ocm mismatch %p-%p "
+		       "available but we are expecting %p-%p\n",
+		       pn->socm, pn->eocm, ocm_code_start, ocm_data_end);
+		proc_node_valid = 0;
+	} else {
+		printk(KERN_INFO "processor ocm %p-%p, expecting %p-%p\n",
+		       pn->socm, pn->eocm, ocm_code_start, ocm_data_end);
+
+	}
+#endif
+
+	if (UBICOM32_ARCH_VERSION != pn->arch_version) {
+		printk(KERN_ERR "ERROR: processor arch mismatch, kernel"
+		       "compiled for %d found %d\n",
+		       UBICOM32_ARCH_VERSION, pn->arch_version);
+		proc_node_valid = 0;
+	}
+
+	if (proc_node_valid)
+		return;
+error:
+	processor_validate_failed();
+}
+
+void __init processor_init(void)
+{
+	/*
+	 * If we do not have a trap node in the device tree, we leave the fault
+	 * handling to the underlying hardware.
+	 */
+	pn = (struct procnode *)devtree_find_node("processor");
+
+	processor_validate();
+
+	/*
+	 * If necessary correct the initial range registers to cover the
+	 * complete physical space
+	 */
+	if (pn->edram > (void *)(SDRAMSTART + CONFIG_MIN_RAMSIZE)) {
+		printk(KERN_INFO "updating range registers for expanded dram\n");
+		asm volatile (
+			"	move.4 D_RANGE1_HI, %0		\t\n"
+			"	move.4 I_RANGE0_HI, %0		\t\n"
+#ifdef CONFIG_PROTECT_KERNEL
+			"	move.4 D_RANGE2_HI, %0		\t\n"
+			"	move.4 I_RANGE2_HI, %0		\t\n"
+#endif
+		: : "a"((unsigned long)pn->edram - 4)
+			);
+	}
+
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/ptrace.c linux-2.6.30.10-ubi/arch/ubicom32/kernel/ptrace.c
--- linux-2.6.30.10/arch/ubicom32/kernel/ptrace.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/ptrace.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,275 @@
+/*
+ * arch/ubicom32/kernel/ptrace.c
+ *   Ubicom32 architecture ptrace implementation.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * (C) 1994 by Hamish Macdonald
+ * Taken from linux/kernel/ptrace.c and modified for M680x0.
+ * linux/kernel/ptrace.c is by Ross Biro 1/23/92, edited by Linus Torvalds
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <linux/smp.h>
+#include <linux/errno.h>
+#include <linux/ptrace.h>
+#include <linux/user.h>
+#include <linux/signal.h>
+#include <linux/uaccess.h>
+
+#include <asm/page.h>
+#include <asm/pgtable.h>
+#include <asm/system.h>
+#include <asm/cacheflush.h>
+#include <asm/processor.h>
+
+/*
+ * ptrace_getregs()
+ *
+ *	Get all user integer registers.
+ */
+static inline int ptrace_getregs(struct task_struct *task, void __user *uregs)
+{
+	struct pt_regs *regs = task_pt_regs(task);
+	return copy_to_user(uregs, regs, sizeof(struct pt_regs)) ? -EFAULT : 0;
+}
+
+/*
+ * ptrace_get_reg()
+ *
+ *	Get contents of register REGNO in task TASK.
+ */
+static unsigned long ptrace_get_reg(struct task_struct *task, int regno)
+{
+	if (regno < sizeof(struct pt_regs)) {
+		struct pt_regs *pt_regs = task_pt_regs(task);
+		return *(unsigned long *)((long) pt_regs + regno);
+	}
+
+	return -EIO;
+}
+
+/*
+ * ptrace_put_reg()
+ *	Write contents of register REGNO in task TASK.
+ */
+static int ptrace_put_reg(struct task_struct *task, int regno,
+			  unsigned long data)
+{
+	if (regno <= sizeof(struct pt_regs) && regno != PT_FRAME_TYPE) {
+		struct pt_regs *pt_regs = task_pt_regs(task);
+		*(unsigned long *)((long) pt_regs + regno) = data;
+		return 0;
+	}
+	return -EIO;
+}
+
+/*
+ * ptrace_disable_single_step()
+ *	Disable Single Step
+ */
+static int ptrace_disable_single_step(struct task_struct *task)
+{
+	/*
+	 * Single Step not yet implemented, so must always be disabled
+	 */
+	return 0;
+}
+
+/*
+ * ptrace_disable()
+ *	Make sure the single step bit is not set.
+ * Called by kernel/ptrace.c when detaching..
+ */
+void ptrace_disable(struct task_struct *child)
+{
+	ptrace_disable_single_step(child);
+}
+
+/*
+ * arch_ptrace()
+ *	architecture specific ptrace routine.
+ */
+long arch_ptrace(struct task_struct *child, long request, long addr, long data)
+{
+	int ret;
+	switch (request) {
+	/* when I and D space are separate, these will need to be fixed. */
+	case PTRACE_PEEKTEXT: /* read word at location addr. */
+	case PTRACE_PEEKDATA:
+		ret = generic_ptrace_peekdata(child, addr, data);
+		break;
+
+	/* read the word at location addr in the USER area. */
+	case PTRACE_PEEKUSR: {
+		unsigned long tmp;
+
+		ret = -EIO;
+		if (((unsigned long) addr > PT_INTERP_FDPIC_LOADMAP)
+		    || (addr & 3))
+			break;
+
+		tmp = 0;  /* Default return condition */
+
+		ret = -EIO;
+		if (addr < sizeof(struct pt_regs)) {
+			tmp = ptrace_get_reg(child, addr);
+		} else if (addr == PT_TEXT_ADDR) {
+			tmp = child->mm->start_code;
+		} else if (addr == PT_TEXT_END_ADDR) {
+			tmp = child->mm->end_code;
+		} else if (addr == PT_DATA_ADDR) {
+			tmp = child->mm->start_data;
+		} else if (addr == PT_EXEC_FDPIC_LOADMAP) {
+#ifdef CONFIG_BINFMT_ELF_FDPIC
+			tmp = child->mm->context.exec_fdpic_loadmap;
+#endif
+		} else if (addr == PT_INTERP_FDPIC_LOADMAP) {
+#ifdef CONFIG_BINFMT_ELF_FDPIC
+			tmp = child->mm->context.interp_fdpic_loadmap;
+#endif
+		} else {
+			break;
+		}
+
+		ret = put_user(tmp, (unsigned long *)data);
+		break;
+	}
+
+	case PTRACE_POKETEXT: /* write the word at location addr. */
+	case PTRACE_POKEDATA:
+		ret = generic_ptrace_pokedata(child, addr, data);
+
+		/*
+		 * If we just changed some code so we need to
+		 * correct the caches
+		 */
+		if (request == PTRACE_POKETEXT && ret == 0) {
+			flush_icache_range(addr, addr + 4);
+		}
+		break;
+
+	case PTRACE_POKEUSR: /* write the word at location addr
+			      * in the USER area */
+		ret = -EIO;
+
+		if (((unsigned long) addr > PT_DATA_ADDR) || (addr & 3))
+			break;
+
+		if (addr < sizeof(struct pt_regs)) {
+			ret = ptrace_put_reg(child, addr, data);
+		}
+		break;
+
+	case PTRACE_SYSCALL: /* continue and stop at next (return from)
+			      * syscall */
+	case PTRACE_CONT: { /* restart after signal. */
+
+		ret = -EIO;
+		if (!valid_signal(data))
+			break;
+		if (request == PTRACE_SYSCALL)
+			set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
+		else
+			clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
+		child->exit_code = data;
+		/* make sure the single step bit is not set. */
+		ptrace_disable_single_step(child);
+		wake_up_process(child);
+		ret = 0;
+		break;
+	}
+
+	/*
+	 * make the child exit.  Best I can do is send it a sigkill.
+	 * perhaps it should be put in the status that it wants to exit.
+	 */
+	case PTRACE_KILL: {
+		ret = 0;
+		if (child->exit_state == EXIT_ZOMBIE) /* already dead */
+			break;
+		child->exit_code = SIGKILL;
+		/* make sure the single step bit is not set. */
+		ptrace_disable_single_step(child);
+		wake_up_process(child);
+		break;
+	}
+
+	case PTRACE_DETACH:	/* detach a process that was attached. */
+		ret = ptrace_detach(child, data);
+		break;
+
+	case PTRACE_GETREGS:    /* Get all gp regs from the child. */
+		ptrace_getregs(child, (unsigned long *)data);
+		ret = 0;
+		break;
+
+	case PTRACE_SETREGS: { /* Set all gp regs in the child. */
+		int i;
+		unsigned long tmp;
+		int count = sizeof(struct pt_regs) / sizeof(unsigned long);
+		for (i = 0; i < count; i++) {
+			if (get_user(tmp, (unsigned long *) data)) {
+				ret = -EFAULT;
+				break;
+			}
+			ptrace_put_reg(child, sizeof(unsigned long) * i, tmp);
+			data += sizeof(long);
+		}
+		ret = 0;
+		break;
+	}
+
+	default:
+		return ptrace_request(child, request, addr, data);
+		break;
+	}
+	return ret;
+}
+/*
+ * syscall_trace
+ *
+ * called by syscall enter/exit when the TIF_SYSCALL_TRACE bit is set.
+ */
+asmlinkage void syscall_trace(void)
+{
+	struct task_struct *cur = current;
+	if (!test_thread_flag(TIF_SYSCALL_TRACE))
+		return;
+	if (!(cur->ptrace & PT_PTRACED))
+		return;
+	ptrace_notify(SIGTRAP | ((cur->ptrace & PT_TRACESYSGOOD)
+				 ? 0x80 : 0));
+	/*
+	 * this isn't the same as continuing with a signal, but it will do
+	 * for normal use.  strace only continues with a signal if the
+	 * stopping signal is not SIGTRAP.  -brl
+	 */
+	if (cur->exit_code) {
+		send_sig(cur->exit_code, current, 1);
+		current->exit_code = 0;
+	}
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/semaphore.c linux-2.6.30.10-ubi/arch/ubicom32/kernel/semaphore.c
--- linux-2.6.30.10/arch/ubicom32/kernel/semaphore.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/semaphore.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,159 @@
+/*
+ * arch/ubicom32/kernel/semaphore.c
+ *   Ubicom32 architecture semaphore implementation.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+/*
+ *  Generic semaphore code. Buyer beware. Do your own
+ * specific changes in <asm/semaphore-helper.h>
+ */
+
+#include <linux/sched.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <asm/semaphore-helper.h>
+
+#ifndef CONFIG_RMW_INSNS
+spinlock_t semaphore_wake_lock;
+#endif
+
+/*
+ * Semaphores are implemented using a two-way counter:
+ * The "count" variable is decremented for each process
+ * that tries to sleep, while the "waking" variable is
+ * incremented when the "up()" code goes to wake up waiting
+ * processes.
+ *
+ * Notably, the inline "up()" and "down()" functions can
+ * efficiently test if they need to do any extra work (up
+ * needs to do something only if count was negative before
+ * the increment operation.
+ *
+ * waking_non_zero() (from asm/semaphore.h) must execute
+ * atomically.
+ *
+ * When __up() is called, the count was negative before
+ * incrementing it, and we need to wake up somebody.
+ *
+ * This routine adds one to the count of processes that need to
+ * wake up and exit.  ALL waiting processes actually wake up but
+ * only the one that gets to the "waking" field first will gate
+ * through and acquire the semaphore.  The others will go back
+ * to sleep.
+ *
+ * Note that these functions are only called when there is
+ * contention on the lock, and as such all this is the
+ * "non-critical" part of the whole semaphore business. The
+ * critical part is the inline stuff in <asm/semaphore.h>
+ * where we want to avoid any extra jumps and calls.
+ */
+void __up(struct semaphore *sem)
+{
+	wake_one_more(sem);
+	wake_up(&sem->wait);
+}
+
+/*
+ * Perform the "down" function.  Return zero for semaphore acquired,
+ * return negative for signalled out of the function.
+ *
+ * If called from __down, the return is ignored and the wait loop is
+ * not interruptible.  This means that a task waiting on a semaphore
+ * using "down()" cannot be killed until someone does an "up()" on
+ * the semaphore.
+ *
+ * If called from __down_interruptible, the return value gets checked
+ * upon return.  If the return value is negative then the task continues
+ * with the negative value in the return register (it can be tested by
+ * the caller).
+ *
+ * Either form may be used in conjunction with "up()".
+ *
+ */
+
+
+#define DOWN_HEAD(task_state)						\
+									\
+									\
+	current->state = (task_state);					\
+	add_wait_queue(&sem->wait, &wait);				\
+									\
+	/*								\
+	 * Ok, we're set up.  sem->count is known to be less than zero	\
+	 * so we must wait.						\
+	 *								\
+	 * We can let go the lock for purposes of waiting.		\
+	 * We re-acquire it after awaking so as to protect		\
+	 * all semaphore operations.					\
+	 *								\
+	 * If "up()" is called before we call waking_non_zero() then	\
+	 * we will catch it right away.  If it is called later then	\
+	 * we will have to go through a wakeup cycle to catch it.	\
+	 *								\
+	 * Multiple waiters contend for the semaphore lock to see	\
+	 * who gets to gate through and who has to wait some more.	\
+	 */								\
+	for (;;) {
+
+#define DOWN_TAIL(task_state)			\
+		current->state = (task_state);	\
+	}					\
+	current->state = TASK_RUNNING;		\
+	remove_wait_queue(&sem->wait, &wait);
+
+void __sched __down(struct semaphore *sem)
+{
+	DECLARE_WAITQUEUE(wait, current);
+
+	DOWN_HEAD(TASK_UNINTERRUPTIBLE)
+	if (waking_non_zero(sem))
+		break;
+	schedule();
+	DOWN_TAIL(TASK_UNINTERRUPTIBLE)
+}
+
+int __sched __down_interruptible(struct semaphore *sem)
+{
+	DECLARE_WAITQUEUE(wait, current);
+	int ret = 0;
+
+	DOWN_HEAD(TASK_INTERRUPTIBLE)
+
+	ret = waking_non_zero_interruptible(sem, current);
+	if (ret) {
+		if (ret == 1)
+			/* ret != 0 only if we get interrupted -arca */
+			ret = 0;
+		break;
+	}
+	schedule();
+	DOWN_TAIL(TASK_INTERRUPTIBLE)
+	return ret;
+}
+
+int __down_trylock(struct semaphore *sem)
+{
+	return waking_non_zero_trylock(sem);
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/setup.c linux-2.6.30.10-ubi/arch/ubicom32/kernel/setup.c
--- linux-2.6.30.10/arch/ubicom32/kernel/setup.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/setup.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,194 @@
+/*
+ * arch/ubicom32/kernel/setup.c
+ *   Ubicom32 architecture-dependent parts of system setup.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 1999-2007  Greg Ungerer (gerg@snapgear.com)
+ * Copyright (C) 1998,1999  D. Jeff Dionne <jeff@uClinux.org>
+ * Copyleft  ()) 2000       James D. Schettine {james@telos-systems.com}
+ * Copyright (C) 1998       Kenneth Albanowski <kjahds@kjahds.com>
+ * Copyright (C) 1995       Hamish Macdonald
+ * Copyright (C) 2000       Lineo Inc. (www.lineo.com)
+ * Copyright (C) 2001	    Lineo, Inc. <www.lineo.com>
+ * 68VZ328 Fixes/support    Evan Stawnyczy <e@lineo.ca>
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/fb.h>
+#include <linux/module.h>
+#include <linux/console.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/bootmem.h>
+#include <linux/seq_file.h>
+#include <linux/init.h>
+
+#include <asm/devtree.h>
+#include <asm/setup.h>
+#include <asm/irq.h>
+#include <asm/machdep.h>
+#include <asm/pgtable.h>
+#include <asm/pgalloc.h>
+#include <asm/ubicom32-common.h>
+#include <asm/processor.h>
+#include <asm/bootargs.h>
+#include <asm/thread.h>
+
+unsigned long memory_start;
+EXPORT_SYMBOL(memory_start);
+
+unsigned long memory_end;
+EXPORT_SYMBOL(memory_end);
+
+static char __initdata command_line[COMMAND_LINE_SIZE];
+#ifdef CONFIG_CMDLINE_BOOL
+static char __initdata builtin_cmdline[COMMAND_LINE_SIZE] = CONFIG_CMDLINE;
+#endif
+
+extern int _stext, _etext, _sdata, _edata, _sbss, _ebss, _end;
+
+/*
+ * setup_arch()
+ *	Setup the architecture dependent portions of the system.
+ */
+void __init setup_arch(char **cmdline_p)
+{
+	int bootmap_size;
+	unsigned long ram_start;
+
+	processor_init();
+	bootargs_init();
+
+	/*
+	 * Use the link for memory_start from the link and the processor
+	 * node for memory_end.
+	 */
+	memory_start = PAGE_ALIGN(((unsigned long)&_end));
+	processor_dram(&ram_start, &memory_end);
+
+	init_mm.start_code = (unsigned long) &_stext;
+	init_mm.end_code = (unsigned long) &_etext;
+	init_mm.end_data = (unsigned long) &_edata;
+	init_mm.brk = (unsigned long) 0;
+
+	/*
+	 * bootexec copies the original default command line to end of memory.
+	 * u-boot can modify it there (i.e. to enable network boot) and the
+	 * kernel picks up the modified version.
+	 *
+	 * mainexec creates a `new default' command_line which is in the
+	 * bootargs devnode. It is updated on every firmware update but
+	 * not used at the moment.
+	 */
+	strlcpy(boot_command_line, (char *)(memory_end - COMMAND_LINE_SIZE), COMMAND_LINE_SIZE);
+
+#ifdef CONFIG_CMDLINE_BOOL
+#ifdef CONFIG_CMDLINE_OVERRIDE
+	strlcpy(boot_command_line, builtin_cmdline, COMMAND_LINE_SIZE);
+#else
+	if (builtin_cmdline[0]) {
+		/* append boot loader cmdline to builtin */
+		strlcat(builtin_cmdline, " ", COMMAND_LINE_SIZE);
+		strlcat(builtin_cmdline, boot_command_line, COMMAND_LINE_SIZE);
+		strlcpy(boot_command_line, builtin_cmdline, COMMAND_LINE_SIZE);
+	}
+#endif
+#endif
+
+	strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE);
+	*cmdline_p = command_line;
+
+	parse_early_param();
+
+	printk(KERN_INFO "%s Processor, Ubicom, Inc. <www.ubicom.com>\n", CPU);
+
+#if defined(DEBUG)
+	printk(KERN_DEBUG "KERNEL -> TEXT=0x%06x-0x%06x DATA=0x%06x-0x%06x "
+		"BSS=0x%06x-0x%06x\n", (int) &_stext, (int) &_etext,
+		(int) &_sdata, (int) &_edata,
+		(int) &_sbss, (int) &_ebss);
+	printk(KERN_DEBUG "MEMORY -> ROMFS=0x%06x-0x%06x MEM=0x%06x-0x%06x\n ",
+		(int) &_ebss, (int) memory_start,
+		(int) memory_start, (int) memory_end);
+#endif
+
+#ifdef DEBUG
+	if (strlen(*cmdline_p))
+		printk(KERN_DEBUG "Command line: '%s'\n", *cmdline_p);
+#endif
+
+#if defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_DUMMY_CONSOLE)
+	conswitchp = &dummy_con;
+#endif
+
+	/*
+	 * If we have a device tree, see if we have the nodes we need.
+	 */
+	if (devtree) {
+		devtree_print();
+	}
+
+	/*
+	 * From the arm initialization comment:
+	 *
+	 * This doesn't seem to be used by the Linux memory manager any
+	 * more, but is used by ll_rw_block.  If we can get rid of it, we
+	 * also get rid of some of the stuff above as well.
+	 *
+	 * Note: max_low_pfn and max_pfn reflect the number of _pages_ in
+	 * the system, not the maximum PFN.
+	 */
+	max_pfn = max_low_pfn = (memory_end - PAGE_OFFSET) >> PAGE_SHIFT;
+
+	/*
+	 * Give all the memory to the bootmap allocator, tell it to put the
+	 * boot mem_map at the start of memory.
+	 */
+	bootmap_size = init_bootmem_node(
+			NODE_DATA(0),
+			memory_start >> PAGE_SHIFT,	/* map goes here */
+			PAGE_OFFSET >> PAGE_SHIFT,	/* 0 on coldfire */
+			memory_end >> PAGE_SHIFT);
+	/*
+	 * Free the usable memory, we have to make sure we do not free
+	 * the bootmem bitmap so we then reserve it after freeing it :-)
+	 */
+	free_bootmem(memory_start, memory_end - memory_start);
+	reserve_bootmem(memory_start, bootmap_size, BOOTMEM_DEFAULT);
+
+	/*
+	 * Get kmalloc into gear.
+	 */
+	paging_init();
+
+	/*
+	 * Fix up the thread_info structure, indicate this is a mainline Linux
+	 * thread and setup the sw_ksp().
+	 */
+	sw_ksp[thread_get_self()] = (unsigned int) current_thread_info();
+	thread_set_mainline(thread_get_self());
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/signal.c linux-2.6.30.10-ubi/arch/ubicom32/kernel/signal.c
--- linux-2.6.30.10/arch/ubicom32/kernel/signal.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/signal.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,458 @@
+/*
+ * arch/ubicom32/kernel/signal.c
+ *   Ubicom32 architecture signal handling implementation.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 1991, 1992  Linus Torvalds
+ * Linux/m68k support by Hamish Macdonald
+ * 68060 fixes by Jesper Skov
+ * 1997-12-01  Modified for POSIX.1b signals by Andreas Schwab
+ * mathemu support by Roman Zippel
+ * ++roman (07/09/96): implemented signal stacks
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ *
+ * mathemu support by Roman Zippel
+ *  (Note: fpstate in the signal context is completely ignored for the emulator
+ *         and the internal floating point format is put on stack)
+ *
+ * ++roman (07/09/96): implemented signal stacks (specially for tosemu on
+ * Atari :-) Current limitation: Only one sigstack can be active at one time.
+ * If a second signal with SA_ONSTACK set arrives while working on a sigstack,
+ * SA_ONSTACK is ignored. This behaviour avoids lots of trouble with nested
+ * signal handlers!
+ */
+
+#include <linux/module.h>
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <linux/kernel.h>
+#include <linux/signal.h>
+#include <linux/syscalls.h>
+#include <linux/errno.h>
+#include <linux/wait.h>
+#include <linux/ptrace.h>
+#include <linux/unistd.h>
+#include <linux/stddef.h>
+#include <linux/highuid.h>
+#include <linux/tty.h>
+#include <linux/personality.h>
+#include <linux/binfmts.h>
+
+#include <asm/setup.h>
+#include <asm/uaccess.h>
+#include <asm/pgtable.h>
+#include <asm/traps.h>
+#include <asm/ucontext.h>
+
+#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
+
+/*
+ * asm signal return handlers.
+ */
+void ret_from_user_signal(void);
+void ret_from_user_rt_signal(void);
+asmlinkage int do_signal(sigset_t *oldset, struct pt_regs *regs);
+
+/*
+ * Common signal suspend implementation
+ */
+static int signal_suspend(sigset_t *saveset, struct pt_regs *regs)
+{
+	regs->dn[0] = -EINTR;
+	while (1) {
+		current->state = TASK_INTERRUPTIBLE;
+		schedule();
+		if (!do_signal(saveset, regs)) {
+			continue;
+		}
+		/*
+		 * If the current frame type is a signal trampoline we are
+		 * actually going to call the signal handler so we return the
+		 * desired d0 as the return value.
+		 */
+		if (regs->frame_type == UBICOM32_FRAME_TYPE_SIGTRAMP) {
+			return regs->dn[0];
+		}
+		return -EINTR;
+	}
+	/*
+	 * Should never get here
+	 */
+	BUG();
+	return 0;
+}
+
+/*
+ * Atomically swap in the new signal mask, and wait for a signal.
+ */
+asmlinkage int do_sigsuspend(struct pt_regs *regs)
+{
+	old_sigset_t mask = regs->dn[0];
+	sigset_t saveset;
+
+	mask &= _BLOCKABLE;
+	spin_lock_irq(&current->sighand->siglock);
+	saveset = current->blocked;
+	siginitset(&current->blocked, mask);
+	recalc_sigpending();
+	spin_unlock_irq(&current->sighand->siglock);
+
+	/*
+	 * Call common handler
+	 */
+	return signal_suspend(&saveset, regs);
+}
+
+asmlinkage int
+do_rt_sigsuspend(struct pt_regs *regs)
+{
+	sigset_t *unewset = (sigset_t *)regs->dn[0];
+	size_t sigsetsize = (size_t)regs->dn[1];
+	sigset_t saveset, newset;
+
+	/* XXX: Don't preclude handling different sized sigset_t's.  */
+	if (sigsetsize != sizeof(sigset_t))
+		return -EINVAL;
+
+	if (copy_from_user(&newset, unewset, sizeof(newset)))
+		return -EFAULT;
+	sigdelsetmask(&newset, ~_BLOCKABLE);
+
+	spin_lock_irq(&current->sighand->siglock);
+	saveset = current->blocked;
+	current->blocked = newset;
+	recalc_sigpending();
+	spin_unlock_irq(&current->sighand->siglock);
+
+	/*
+	 * Call common handler
+	 */
+	return signal_suspend(&saveset, regs);
+}
+
+asmlinkage int
+sys_sigaction(int sig, const struct old_sigaction *act,
+	      struct old_sigaction *oact)
+{
+	struct k_sigaction new_ka, old_ka;
+	int ret;
+
+	if (act) {
+		old_sigset_t mask;
+		if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
+		    __get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
+		    __get_user(new_ka.sa.sa_restorer, &act->sa_restorer))
+			return -EFAULT;
+		__get_user(new_ka.sa.sa_flags, &act->sa_flags);
+		__get_user(mask, &act->sa_mask);
+		siginitset(&new_ka.sa.sa_mask, mask);
+	}
+
+	ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
+
+	if (!ret && oact) {
+		if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
+		    __put_user(old_ka.sa.sa_handler, &oact->sa_handler) ||
+		    __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer))
+			return -EFAULT;
+		__put_user(old_ka.sa.sa_flags, &oact->sa_flags);
+		__put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask);
+	}
+
+	return ret;
+}
+
+asmlinkage int
+do_sys_sigaltstack(struct pt_regs *regs)
+{
+	const stack_t *uss = (stack_t *) regs->dn[0];
+	stack_t *uoss = (stack_t *)regs->dn[1];
+	return do_sigaltstack(uss, uoss, regs->an[7]);
+}
+
+/*
+ * fdpic_func_descriptor describes sa_handler when the application is FDPIC
+ */
+struct fdpic_func_descriptor {
+	unsigned long	text;
+	unsigned long	GOT;
+};
+
+/*
+ * rt_sigframe is stored on the user stack immediately before (above)
+ * the signal handlers stack.
+ */
+struct rt_sigframe
+{
+	unsigned long syscall_number;	/* This holds __NR_rt_sigreturn. */
+	unsigned long restore_all_regs; /* This field gets set to 1 if the frame
+					 * type is TRAP or INTERRUPT. */
+	siginfo_t *info;
+	struct ucontext uc;
+	int sig;
+	void *pretcode;
+};
+
+/*
+ * Do a signal return; undo the signal stack.
+ */
+asmlinkage int do_sigreturn(unsigned long __unused)
+{
+	BUG();
+	return 0;
+}
+
+asmlinkage int do_rt_sigreturn(struct pt_regs *regs)
+{
+	unsigned long usp = regs->an[7];
+	struct rt_sigframe *frame = (struct rt_sigframe *)(usp);
+	sigset_t set;
+
+	if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
+		goto badframe;
+	if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))
+		goto badframe;
+
+	sigdelsetmask(&set, ~_BLOCKABLE);
+	spin_lock_irq(&current->sighand->siglock);
+	current->blocked = set;
+	recalc_sigpending();
+	spin_unlock_irq(&current->sighand->siglock);
+
+	if (copy_from_user(regs, &frame->uc.uc_mcontext, sizeof(struct pt_regs)))
+		goto badframe;
+	return regs->dn[0];
+
+badframe:
+	force_sig(SIGSEGV, current);
+	return 0;
+}
+
+static inline void *
+get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size)
+{
+	unsigned long usp;
+
+	/* Default to using normal stack.  */
+	usp = regs->an[7];
+
+	/* This is the X/Open sanctioned signal stack switching.  */
+	if (ka->sa.sa_flags & SA_ONSTACK) {
+		if (!sas_ss_flags(usp))
+			usp = current->sas_ss_sp + current->sas_ss_size;
+	}
+	return (void *)((usp - frame_size) & ~0x3);
+}
+
+/*
+ * signal_trampoline:  Defined in ubicom32_syscall.S
+ */
+asmlinkage void signal_trampoline(void)__attribute__((naked));
+
+static void setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info,
+			    sigset_t *set, struct pt_regs *regs)
+{
+	struct rt_sigframe *frame;
+	int err = 0;
+
+	frame = (struct rt_sigframe *) get_sigframe(ka, regs, sizeof(*frame));
+
+	/*
+	 * The 'err |=' have been may criticized as bad code style, but I
+	 * strongly suspect that we want this code to be fast.  So for
+	 * now it stays as is.
+	 */
+	err |= __put_user( (  (current_thread_info()->exec_domain)
+			   && (current_thread_info()->exec_domain->signal_invmap)
+			   && (sig < 32) )
+			   ? current_thread_info()->exec_domain->signal_invmap[sig]
+			   : sig, &frame->sig);
+	err |= __put_user(info, &frame->info);
+
+	/* Create the ucontext.  */
+	err |= __put_user(0, &frame->uc.uc_flags);
+	err |= __put_user(0, &frame->uc.uc_link);
+	err |= __put_user((void *)current->sas_ss_sp,
+			  &frame->uc.uc_stack.ss_sp);
+	err |= __put_user(sas_ss_flags(regs->an[7]),
+			  &frame->uc.uc_stack.ss_flags);
+	err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size);
+	err |= __put_user(__NR_rt_sigreturn, &frame->syscall_number);
+	if ((regs->frame_type == UBICOM32_FRAME_TYPE_TRAP) ||
+	    (regs->frame_type == UBICOM32_FRAME_TYPE_INTERRUPT)) {
+		err |= __put_user(1, &frame->restore_all_regs);
+	} else {
+		err |= __put_user(0, &frame->restore_all_regs);
+	}
+	err |= copy_to_user (&frame->uc.uc_mcontext.sc_regs, regs, sizeof(struct pt_regs));
+	err |= copy_to_user (&frame->uc.uc_sigmask, set, sizeof(*set));
+
+	if (err)
+		goto give_sigsegv;
+
+	/*
+	 * Set up registers for signal handler NOTE: Do not modify dn[14], it
+	 * contains the userspace tls pointer, so it important that it carries
+	 * over to the signal handler.
+	 */
+	regs->an[7] = (unsigned long)frame;
+	regs->pc = (unsigned long) signal_trampoline;
+	regs->an[5] = (unsigned long) signal_trampoline;
+	regs->dn[0] = sig;
+	regs->dn[1] = (unsigned long) frame->info;
+	regs->dn[2] = (unsigned int) &frame->uc;
+
+	/*
+	 * If this is FDPIC then the signal handler is actually a function
+	 * descriptor.
+	 */
+	if (current->personality & FDPIC_FUNCPTRS) {
+		struct fdpic_func_descriptor __user *funcptr =
+			(struct fdpic_func_descriptor *) ka->sa.sa_handler;
+		err |= __get_user(regs->dn[3], &funcptr->text);
+		err |= __get_user(regs->an[0], &funcptr->GOT);
+		if (err)
+			goto give_sigsegv;
+
+		/*
+		 * The funcdesc must be in a3 as this is required for the lazy
+		 * resolver in ld.so, if the application is not FDPIC a3 is not
+		 * used.
+		 */
+		regs->an[3] = (unsigned long) funcptr;
+
+	} else {
+		regs->dn[3] = (unsigned long)ka->sa.sa_handler;
+		regs->an[0] = 0;
+	}
+
+	regs->frame_type =  UBICOM32_FRAME_TYPE_SIGTRAMP;
+
+	return;
+
+give_sigsegv:
+	/* user space exception */
+	force_sigsegv(sig, current);
+}
+
+static inline void
+handle_restart(struct pt_regs *regs, struct k_sigaction *ka, int has_handler)
+{
+	switch (regs->dn[0]) {
+	case -ERESTARTNOHAND:
+		if (!has_handler)
+			goto do_restart;
+		regs->dn[0] = -EINTR;
+		break;
+
+	case -ERESTARTSYS:
+		if (has_handler && !(ka->sa.sa_flags & SA_RESTART)) {
+			regs->dn[0] = -EINTR;
+			break;
+		}
+	/* fallthrough */
+	case -ERESTARTNOINTR:
+	do_restart:
+		regs->dn[0] = regs->original_dn_0;
+		regs->pc -= 8;
+		regs->an[5] -= 8;
+		break;
+	}
+}
+
+/*
+ * OK, we're invoking a handler
+ */
+static void
+handle_signal(int sig, struct k_sigaction *ka, siginfo_t *info,
+	      sigset_t *oldset, struct pt_regs *regs)
+{
+	/* are we from a system call? */
+	if (regs->frame_type == -1)
+		/* If so, check system call restarting.. */
+		handle_restart(regs, ka, 1);
+
+	/* set up the stack frame */
+	setup_rt_frame(sig, ka, info, oldset, regs);
+
+	if (ka->sa.sa_flags & SA_ONESHOT)
+		ka->sa.sa_handler = SIG_DFL;
+
+	spin_lock_irq(&current->sighand->siglock);
+	sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
+	if (!(ka->sa.sa_flags & SA_NODEFER))
+		sigaddset(&current->blocked,sig);
+	recalc_sigpending();
+	spin_unlock_irq(&current->sighand->siglock);
+}
+
+/*
+ * Note that 'init' is a special process: it doesn't get signals it doesn't
+ * want to handle. Thus you cannot kill init even with a SIGKILL even by
+ * mistake.
+ */
+asmlinkage int do_signal(sigset_t *oldset, struct pt_regs *regs)
+{
+	struct k_sigaction ka;
+	siginfo_t info;
+	int signr;
+
+	/*
+	 * We want the common case to go fast, which
+	 * is why we may in certain cases get here from
+	 * kernel mode. Just return without doing anything
+	 * if so.
+	 */
+	if (!user_mode(regs))
+		return 1;
+
+	if (!oldset)
+		oldset = &current->blocked;
+
+	signr = get_signal_to_deliver(&info, &ka, regs, NULL);
+	if (signr > 0) {
+		/* Whee!  Actually deliver the signal.  */
+		handle_signal(signr, &ka, &info, oldset, regs);
+		return 1;
+	}
+
+	/* Did we come from a system call? */
+	if (regs->frame_type == -1) {
+		/* Restart the system call - no handlers present */
+		handle_restart(regs, NULL, 0);
+	}
+
+	return 0;
+}
+
+/*
+ * sys_sigreturn()
+ *	Return handler for signal clean-up.
+ *
+ * NOTE: Ubicom32 does not use this syscall.  Instead we rely
+ * on do_rt_sigreturn().
+ */
+asmlinkage long sys_sigreturn(void)
+{
+	return -ENOSYS;
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/smp.c linux-2.6.30.10-ubi/arch/ubicom32/kernel/smp.c
--- linux-2.6.30.10/arch/ubicom32/kernel/smp.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/smp.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,806 @@
+/*
+ * arch/ubicom32/kernel/smp.c
+ *   SMP implementation for Ubicom32 processors.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
+ * Copyright (C) 1999 David Mosberger-Tang <davidm@hpl.hp.com>
+ * Copyright (C) 2001,2004 Grant Grundler <grundler@parisc-linux.org>
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/types.h>
+#include <linux/spinlock.h>
+#include <linux/slab.h>
+
+#include <linux/kernel.h>
+#include <linux/bootmem.h>
+#include <linux/module.h>
+#include <linux/sched.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/smp.h>
+#include <linux/kernel_stat.h>
+#include <linux/mm.h>
+#include <linux/err.h>
+#include <linux/delay.h>
+#include <linux/bitops.h>
+#include <linux/cpu.h>
+#include <linux/profile.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/ptrace.h>
+#include <linux/unistd.h>
+#include <linux/irq.h>
+
+#include <asm/system.h>
+#include <asm/atomic.h>
+#include <asm/current.h>
+#include <asm/tlbflush.h>
+#include <asm/timex.h>
+#include <asm/cpu.h>
+#include <asm/irq.h>
+#include <asm/processor.h>
+#include <asm/thread.h>
+#include <asm/sections.h>
+#include <asm/ip5000.h>
+
+/*
+ * Mask the debug printout for IPI because they are too verbose
+ * for regular debugging.
+ */
+
+// #define DEBUG_SMP 1
+#if !defined(DEBUG_SMP)
+#define smp_debug(lvl, ...)
+#else
+static unsigned int smp_debug_lvl = 50;
+#define smp_debug(lvl, printargs...)		\
+	if (lvl >= smp_debug_lvl) {		\
+			printk(printargs);	\
+	}
+#endif
+
+#if !defined(DEBUG_SMP)
+#define DEBUG_ASSERT(cond)
+#else
+#define DEBUG_ASSERT(cond) \
+	if (!(cond)) { \
+		THREAD_STALL; \
+	}
+#endif
+
+/*
+ * List of IPI Commands (more than one can be set at a time).
+ */
+enum ipi_message_type {
+	IPI_NOP,
+	IPI_RESCHEDULE,
+	IPI_CALL_FUNC,
+	IPI_CALL_FUNC_SINGLE,
+	IPI_CPU_STOP,
+	IPI_CPU_TIMER,
+};
+
+/*
+ * We maintain a hardware thread oriented view of online threads
+ * and those involved or needing IPI.
+ */
+static volatile unsigned long smp_online_threads = 0;
+static volatile unsigned long smp_needs_ipi = 0;
+static volatile unsigned long smp_inside_ipi = 0;
+static unsigned long smp_irq_affinity[NR_IRQS];
+
+/*
+ * What do we need to track on a per cpu/thread basis?
+ */
+DEFINE_PER_CPU(struct cpuinfo_ubicom32, cpu_data);
+
+/*
+ * Each thread cpuinfo IPI information is guarded by a lock
+ * that is kept local to this file.
+ */
+DEFINE_PER_CPU(spinlock_t, ipi_lock) = SPIN_LOCK_UNLOCKED;
+
+/*
+ * The IPI(s) are based on a software IRQ through the LDSR.
+ */
+unsigned int smp_ipi_irq;
+
+/*
+ * Define a spinlock so that only one cpu is able to modify the
+ * smp_needs_ipi and to set/clear the IRQ at a time.
+ */
+DEFINE_SPINLOCK(smp_ipi_lock);
+
+/*
+ * smp_halt_processor()
+ *	Halt this hardware thread.
+ */
+static void smp_halt_processor(void)
+{
+	int cpuid = thread_get_self();
+	cpu_clear(smp_processor_id(), cpu_online_map);
+	local_irq_disable();
+	printk(KERN_EMERG "cpu[%d] has halted. It is not OK to turn off power \
+		until all cpu's are off.\n", cpuid);
+	for (;;) {
+		thread_suspend();
+	}
+}
+
+/*
+ * ipi_interrupt()
+ *	Handle an Interprocessor Interrupt.
+ */
+static irqreturn_t ipi_interrupt(int irq, void *dev_id)
+{
+	int cpuid = smp_processor_id();
+	struct cpuinfo_ubicom32 *p = &per_cpu(cpu_data, cpuid);
+	unsigned long ops;
+
+	/*
+	 * Count this now; we may make a call that never returns.
+	 */
+	p->ipi_count++;
+
+	/*
+	 * We are about to process all ops.  If another cpu has stated
+	 * that we need an IPI, we will have already processed it.  By
+	 * clearing our smp_needs_ipi, and processing all ops,
+	 * we reduce the number of IPI interrupts.  However, this introduces
+	 * the possibility that smp_needs_ipi will be clear and the soft irq
+	 * will have gone off; so we need to make the get_affinity() path
+	 * tolerant of spurious interrupts.
+	 */
+	spin_lock(&smp_ipi_lock);
+	smp_needs_ipi &= ~(1 << p->tid);
+	spin_unlock(&smp_ipi_lock);
+
+	for (;;) {
+		/*
+		 * Read the set of IPI commands we should handle.
+		 */
+		spinlock_t *lock = &per_cpu(ipi_lock, cpuid);
+		spin_lock(lock);
+		ops = p->ipi_pending;
+		p->ipi_pending = 0;
+		spin_unlock(lock);
+
+		/*
+		 * If we have no IPI commands to execute, break out.
+		 */
+		if (!ops) {
+			break;
+		}
+
+		/*
+		 * Execute the set of commands in the ops word, one command
+		 * at a time in no particular order.  Strip of each command
+		 * as we execute it.
+		 */
+		while (ops) {
+			unsigned long which = ffz(~ops);
+			ops &= ~(1 << which);
+
+			BUG_ON(!irqs_disabled());
+			switch (which) {
+			case IPI_NOP:
+				smp_debug(100, KERN_INFO "cpu[%d]: "
+					  "IPI_NOP\n", cpuid);
+				break;
+
+			case IPI_RESCHEDULE:
+				/*
+				 * Reschedule callback.  Everything to be
+				 * done is done by the interrupt return path.
+				 */
+				smp_debug(200, KERN_INFO "cpu[%d]: "
+					  "IPI_RESCHEDULE\n", cpuid);
+				break;
+
+			case IPI_CALL_FUNC:
+				smp_debug(100, KERN_INFO "cpu[%d]: "
+					  "IPI_CALL_FUNC\n", cpuid);
+				generic_smp_call_function_interrupt();
+				break;
+
+			case IPI_CALL_FUNC_SINGLE:
+				smp_debug(100, KERN_INFO "cpu[%d]: "
+					  "IPI_CALL_FUNC_SINGLE\n", cpuid);
+				generic_smp_call_function_single_interrupt();
+				break;
+
+			case IPI_CPU_STOP:
+				smp_debug(100, KERN_INFO "cpu[%d]: "
+					  "IPI_CPU_STOP\n", cpuid);
+				smp_halt_processor();
+				break;
+
+#if !defined(CONFIG_LOCAL_TIMERS)
+			case IPI_CPU_TIMER:
+				smp_debug(100, KERN_INFO "cpu[%d]: "
+					  "IPI_CPU_TIMER\n", cpuid);
+#if defined(CONFIG_GENERIC_CLOCKEVENTS)
+				local_timer_interrupt();
+#else
+				update_process_times(user_mode(get_irq_regs()));
+				profile_tick(CPU_PROFILING);
+#endif
+#endif
+				break;
+
+			default:
+				printk(KERN_CRIT "cpu[%d]: "
+					  "Unknown IPI: %lu\n", cpuid, which);
+
+				return IRQ_NONE;
+			}
+
+			/*
+			 * Let in any pending interrupts
+			 */
+			BUG_ON(!irqs_disabled());
+			local_irq_enable();
+			local_irq_disable();
+		}
+	}
+	return IRQ_HANDLED;
+}
+
+/*
+ * ipi_send()
+ *	Send an Interprocessor Interrupt.
+ */
+static void ipi_send(int cpu, enum ipi_message_type op)
+{
+	struct cpuinfo_ubicom32 *p = &per_cpu(cpu_data, cpu);
+	spinlock_t *lock = &per_cpu(ipi_lock, cpu);
+	unsigned long flags;
+
+	/*
+	 * We protect the setting of the ipi_pending field and ensure
+	 * that the ipi delivery mechanism and interrupt are atomically
+	 * handled.
+	 */
+	spin_lock_irqsave(lock, flags);
+	p->ipi_pending |= 1 << op;
+	spin_unlock_irqrestore(lock, flags);
+
+	spin_lock_irqsave(&smp_ipi_lock, flags);
+	smp_needs_ipi |= (1 << p->tid);
+	ubicom32_set_interrupt(smp_ipi_irq);
+	spin_unlock_irqrestore(&smp_ipi_lock, flags);
+	smp_debug(100, KERN_INFO "cpu[%d]: send: %d\n", cpu, op);
+}
+
+/*
+ * ipi_send_mask
+ *	Send an IPI to each cpu in mask.
+ */
+static inline void ipi_send_mask(unsigned int op, const struct cpumask mask)
+{
+	int cpu;
+	for_each_cpu_mask(cpu, mask) {
+		ipi_send(cpu, op);
+	}
+}
+
+/*
+ * ipi_send_allbutself()
+ *	Send an IPI to all threads but ourselves.
+ */
+static inline void ipi_send_allbutself(unsigned int op)
+{
+	int self = smp_processor_id();
+	struct cpumask result;
+	cpumask_copy(&result, &cpu_online_map);
+	cpu_clear(self, result);
+	ipi_send_mask(op, result);
+}
+
+/*
+ * smp_enable_vector()
+ */
+static void smp_enable_vector(unsigned int irq)
+{
+	ubicom32_clear_interrupt(smp_ipi_irq);
+	ldsr_enable_vector(irq);
+}
+
+/*
+ * smp_disable_vector()
+ *	Disable the interrupt by clearing the appropriate bit in the
+ *	LDSR Mask Register.
+ */
+static void smp_disable_vector(unsigned int irq)
+{
+	ldsr_disable_vector(irq);
+}
+
+/*
+ * smp_mask_vector()
+ */
+static void smp_mask_vector(unsigned int irq)
+{
+	ldsr_mask_vector(irq);
+}
+
+/*
+ * smp_unmask_vector()
+ */
+static void smp_unmask_vector(unsigned int irq)
+{
+	ldsr_unmask_vector(irq);
+}
+
+/*
+ * smp_end_vector()
+ *	Called once an interrupt is completed (reset the LDSR mask).
+ */
+static void smp_end_vector(unsigned int irq)
+{
+	struct cpuinfo_ubicom32 *p = &per_cpu(cpu_data, smp_processor_id());
+	spin_lock(&smp_ipi_lock);
+	smp_inside_ipi &= ~(1 << p->tid);
+	if (smp_inside_ipi) {
+		spin_unlock(&smp_ipi_lock);
+		return;
+	}
+	spin_unlock(&smp_ipi_lock);
+	ldsr_unmask_vector(irq);
+	smp_debug(100, KERN_INFO "cpu[%d]: unamesk vector\n", smp_processor_id());
+}
+
+/*
+ * Special hanlder functions for SMP.
+ */
+static struct irq_chip ubicom32_smp_chip = {
+	.name		= "UbicoIPI",
+	.startup	= NULL,
+	.shutdown	= NULL,
+	.enable		= smp_enable_vector,
+	.disable	= smp_disable_vector,
+	.ack		= NULL,
+	.mask		= smp_mask_vector,
+	.unmask		= smp_unmask_vector,
+	.end		= smp_end_vector,
+};
+
+/*
+ * smp_reset_ipi()
+ *	None of these cpu(s) got their IPI, turn it back on.
+ *
+ * Note: This is called by the LDSR which is not a full
+ * Linux cpu.  Thus you must use the raw form of locks
+ * because lock debugging will not work on the partial
+ * cpu nature of the LDSR.
+ */
+void smp_reset_ipi(unsigned long mask)
+{
+	__raw_spin_lock(&smp_ipi_lock.raw_lock);
+	smp_needs_ipi |= mask;
+	smp_inside_ipi &= ~mask;
+	ubicom32_set_interrupt(smp_ipi_irq);
+	__raw_spin_unlock(&smp_ipi_lock.raw_lock);
+	smp_debug(100, KERN_INFO "smp: reset IPIs for: 0x%x\n", mask);
+}
+
+/*
+ * smp_get_affinity()
+ *	Choose the thread affinity for this interrupt.
+ *
+ * Note: This is called by the LDSR which is not a full
+ * Linux cpu.  Thus you must use the raw form of locks
+ * because lock debugging will not work on the partial
+ * cpu nature of the LDSR.
+ */
+unsigned long smp_get_affinity(unsigned int irq, int *all)
+{
+	unsigned long mask = 0;
+
+	/*
+	 * Most IRQ(s) are delivered in a round robin fashion.
+	 */
+	if (irq != smp_ipi_irq) {
+		unsigned long result = smp_irq_affinity[irq] & smp_online_threads;
+		DEBUG_ASSERT(result);
+		*all = 0;
+		return result;
+	}
+
+	/*
+	 * This is an IPI request.  Return all cpu(s) scheduled for an IPI.
+	 * We also track those cpu(s) that are going to be "receiving" IPI this
+	 * round.  When all CPU(s) have called smp_end_vector(),
+	 * we will unmask the IPI interrupt.
+	 */
+	__raw_spin_lock(&smp_ipi_lock.raw_lock);
+	ubicom32_clear_interrupt(smp_ipi_irq);
+	if (smp_needs_ipi) {
+		mask = smp_needs_ipi;
+		smp_inside_ipi |= smp_needs_ipi;
+		smp_needs_ipi = 0;
+	}
+	__raw_spin_unlock(&smp_ipi_lock.raw_lock);
+	*all = 1;
+	return mask;
+}
+
+/*
+ *  smp_set_affinity()
+ *	Set the affinity for this irq but store the value in tid(s).
+ */
+void smp_set_affinity(unsigned int irq, const struct cpumask *dest)
+{
+	int cpuid;
+	unsigned long *paffinity = &smp_irq_affinity[irq];
+
+	/*
+	 *  If none specified, all cpus are allowed.
+	 */
+	if (cpus_empty(*dest)) {
+		*paffinity = 0xffffffff;
+		return;
+	}
+
+	/*
+	 * Make sure to clear the old value before setting up the
+	 * list.
+	 */
+	*paffinity = 0;
+	for_each_cpu_mask(cpuid, *dest) {
+		struct cpuinfo_ubicom32 *p = &per_cpu(cpu_data, cpuid);
+		*paffinity |= (1 << p->tid);
+	}
+}
+
+/*
+ * smp_send_stop()
+ *	Send a stop request to all CPU but this one.
+ */
+void smp_send_stop(void)
+{
+	ipi_send_allbutself(IPI_CPU_STOP);
+}
+
+/*
+ * smp_send_timer_all()
+ *	Send all cpu(s) but this one, a request to update times.
+ */
+void smp_send_timer_all(void)
+{
+	ipi_send_allbutself(IPI_CPU_TIMER);
+}
+
+/*
+ * smp_timer_broadcast()
+ *	Use an IPI to broadcast a timer message
+ */
+void smp_timer_broadcast(const struct cpumask *mask)
+{
+	ipi_send_mask(IPI_CPU_TIMER, *mask);
+}
+
+/*
+ * smp_send_reschedule()
+ *	Send a reschedule request to the specified cpu.
+ */
+void smp_send_reschedule(int cpu)
+{
+	ipi_send(cpu, IPI_RESCHEDULE);
+}
+
+/*
+ * arch_send_call_function_ipi()
+ *	Cause each cpu in the mask to call the generic function handler.
+ */
+void arch_send_call_function_ipi_mask(const struct cpumask *mask)
+{
+	int cpu;
+	for_each_cpu_mask(cpu, *mask) {
+		ipi_send(cpu, IPI_CALL_FUNC);
+	}
+}
+
+/*
+ * arch_send_call_function_single_ipi()
+ *	Cause the specified cpu to call the generic function handler.
+ */
+void arch_send_call_function_single_ipi(int cpu)
+{
+	ipi_send(cpu, IPI_CALL_FUNC_SINGLE);
+}
+
+/*
+ * setup_profiling_timer()
+ *	Dummy function created to keep Oprofile happy in the SMP case.
+ */
+int setup_profiling_timer(unsigned int multiplier)
+{
+	return 0;
+}
+
+/*
+ * smp_mainline_start()
+ *	Start a slave thread executing a mainline Linux context.
+ */
+static void __init smp_mainline_start(void *arg)
+{
+	int cpuid = smp_processor_id();
+	struct cpuinfo_ubicom32 *p = &per_cpu(cpu_data, cpuid);
+
+	BUG_ON(p->tid != thread_get_self());
+
+	/*
+	 * Well, support 2.4 linux scheme as well.
+	 */
+	if (cpu_test_and_set(cpuid, cpu_online_map)) {
+		printk(KERN_CRIT "cpu[%d]: already initialized!\n", cpuid);
+		smp_halt_processor();
+		return;
+	}
+
+	/*
+	 * Initialise the idle task for this CPU
+	 */
+	atomic_inc(&init_mm.mm_count);
+	current->active_mm = &init_mm;
+	if (current->mm) {
+		printk(KERN_CRIT "cpu[%d]: idle task already has memory "
+		       "management\n", cpuid);
+		smp_halt_processor();
+		return;
+	}
+
+	/*
+	 * TODO: X86 does this prior to calling notify, try to understand why?
+	 */
+	preempt_disable();
+
+#if defined(CONFIG_GENERIC_CLOCKEVENTS)
+	/*
+	 * Setup a local timer event so that this cpu will get timer interrupts
+	 */
+	if (local_timer_setup(cpuid) == -1) {
+		printk(KERN_CRIT "cpu[%d]: timer alloc failed\n", cpuid);
+		smp_halt_processor();
+		return;
+	}
+#endif
+
+	/*
+	 * Notify those interested that we are up and alive.  This must
+	 * be done before interrupts are enabled.  It must also be completed
+	 * before the bootstrap cpu returns from __cpu_up() (see comment
+	 * above cpu_set() of the cpu_online_map).
+	 */
+	notify_cpu_starting(cpuid);
+
+	/*
+	 * Indicate that this thread is now online and present.   Setting
+	 * cpu_online_map has the side effect of allowing the bootstrap
+	 * cpu to continue along; so anything that MUST be done prior to the
+	 * bootstrap cpu returning from __cpu_up() needs to go above here.
+	 */
+	cpu_set(cpuid, cpu_online_map);
+	cpu_set(cpuid, cpu_present_map);
+
+	/*
+	 * Maintain a thread mapping in addition to the cpu mapping.
+	 */
+	smp_online_threads |= (1 << p->tid);
+
+	/*
+	 * Enable interrupts for this thread.
+	 */
+	local_irq_enable();
+
+	/*
+	 * Enter the idle loop and wait for a timer to schedule some work.
+	 */
+	printk(KERN_INFO "cpu[%d]: entering cpu_idle()\n", cpuid);
+	cpu_idle();
+
+	/* Not Reached */
+}
+
+/*
+ * smp_cpus_done()
+ *	Called once the kernel_init() has brought up all cpu(s).
+ */
+void smp_cpus_done(unsigned int cpu_max)
+{
+	/* Do Nothing */
+}
+
+/*
+ * __cpu_up()
+ *	Called to startup a sepcific cpu.
+ */
+int __cpuinit __cpu_up(unsigned int cpu)
+{
+	struct task_struct *idle;
+	unsigned int *stack;
+	long timeout;
+	struct cpuinfo_ubicom32 *p = &per_cpu(cpu_data, cpu);
+
+	/*
+	 * Create an idle task for this CPU.
+	 */
+	idle = fork_idle(cpu);
+	if (IS_ERR(idle)) {
+		panic("cpu[%d]: fork failed\n", cpu);
+		return -ENOSYS;
+	}
+	task_thread_info(idle)->cpu = cpu;
+
+	/*
+	 * Setup the sw_ksp[] to point to this new task.
+	 */
+	sw_ksp[p->tid] = (unsigned int)idle->stack;
+	stack = (unsigned int *)(sw_ksp[p->tid] + PAGE_SIZE - 8);
+
+	/*
+	 * Cause the specified thread to execute our smp_mainline_start
+	 * function as a TYPE_NORMAL thread.
+	 */
+	printk(KERN_INFO "cpu[%d]: launching mainline Linux thread\n", cpu);
+	if (thread_start(p->tid, smp_mainline_start, (void *)NULL, stack,
+			 THREAD_TYPE_NORMAL) == -1) {
+		printk(KERN_WARNING "cpu[%d]: failed thread_start\n", cpu);
+		return -ENOSYS;
+	}
+
+	/*
+	 * Wait for the thread to start up.  The thread will set
+	 * the online bit when it is running.  Our caller execpts the
+	 * cpu to be online if we return 0.
+	 */
+	for (timeout = 0; timeout < 10000; timeout++) {
+		if (cpu_online(cpu)) {
+			break;
+		}
+
+		udelay(100);
+		barrier();
+		continue;
+	}
+
+	if (!cpu_online(cpu)) {
+		printk(KERN_CRIT "cpu[%d]: failed to live after %ld us\n",
+		       cpu, timeout * 100);
+		return -ENOSYS;
+	}
+
+	printk(KERN_INFO "cpu[%d]: came alive after %ld us\n",
+	       cpu, timeout * 100);
+	return 0;
+}
+
+/*
+ * Data used by setup_irq for the IPI.
+ */
+static struct irqaction ipi_irq = {
+	.name	 = "ipi",
+	.flags	 = IRQF_DISABLED | IRQF_PERCPU,
+	.handler = ipi_interrupt,
+};
+
+/*
+ * smp_prepare_cpus()
+ *	Mark threads that are available to Linux as possible cpus(s).
+ */
+void __init smp_prepare_cpus(unsigned int max_cpus)
+{
+	int i;
+
+	/*
+	 * We will need a software IRQ to send IPI(s).  We will use
+	 * a single software IRQ for all IPI(s).
+	 */
+	if (irq_soft_alloc(&smp_ipi_irq) < 0) {
+		panic("no software IRQ is available\n");
+		return;
+	}
+
+	/*
+	 * For the IPI interrupt, we want to use our own chip definition.
+	 * This allows us to define what happens in SMP IPI without affecting
+	 * the performance of the other interrupts.
+	 *
+	 * Next, Register the IPI interrupt function against the soft IRQ.
+	 */
+	set_irq_chip(smp_ipi_irq, &ubicom32_smp_chip);
+	setup_irq(smp_ipi_irq, &ipi_irq);
+
+	/*
+	 * We use the device tree node to determine how many
+	 * free cpus we will have (up to NR_CPUS) and we indicate
+	 * that those cpus are present.
+	 *
+	 * We need to do this very early in the SMP case
+	 * because the Linux init code uses the cpu_present_map.
+	 */
+	for_each_possible_cpu(i) {
+		thread_t tid;
+		struct cpuinfo_ubicom32 *p = &per_cpu(cpu_data, i);
+
+		/*
+		 *  Skip the bootstrap cpu
+		 */
+		if (i == 0) {
+			continue;
+		}
+
+		/*
+		 * If we have a free thread left in the mask,
+		 * indicate that the cpu is present.
+		 */
+		tid = thread_alloc();
+		if (tid == (thread_t)-1) {
+			break;
+		}
+
+		/*
+		 * Save the hardware thread id for this cpu.
+		 */
+		p->tid = tid;
+		cpu_set(i, cpu_present_map);
+		printk(KERN_INFO "cpu[%d]: added to cpu_present_map - tid: %d\n", i, tid);
+	}
+}
+
+/*
+ * smp_prepare_boot_cpu()
+ *	Copy the per_cpu data into the appropriate spot for the bootstrap cpu.
+ *
+ * The code in boot_cpu_init() has already set the boot cpu's
+ * state in the possible, present, and online maps.
+ */
+void __devinit smp_prepare_boot_cpu(void)
+{
+	struct cpuinfo_ubicom32 *p = &per_cpu(cpu_data, 0);
+
+	smp_online_threads |= (1 << p->tid);
+	printk(KERN_INFO "cpu[%d]: bootstrap CPU online - tid: %ld\n",
+			current_thread_info()->cpu, p->tid);
+}
+
+/*
+ * smp_setup_processor_id()
+ *	Set the current_thread_info() structure cpu value.
+ *
+ * We set the value to the true hardware thread value that we are running on.
+ * NOTE: this function overrides the weak alias function in main.c
+ */
+void __init smp_setup_processor_id(void)
+{
+	struct cpuinfo_ubicom32 *p = &per_cpu(cpu_data, 0);
+	int i;
+	for_each_cpu_mask(i, CPU_MASK_ALL)
+		set_cpu_possible(i, true);
+
+	current_thread_info()->cpu = 0;
+	p->tid = thread_get_self();
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/stacktrace.c linux-2.6.30.10-ubi/arch/ubicom32/kernel/stacktrace.c
--- linux-2.6.30.10/arch/ubicom32/kernel/stacktrace.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/stacktrace.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,244 @@
+/*
+ * arch/ubicom32/kernel/stacktrace.c
+ *   Ubicom32 architecture stack back trace implementation.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/sched.h>
+#include <linux/stacktrace.h>
+#include <linux/module.h>
+#include <asm/stacktrace.h>
+#include <asm/thread.h>
+#include <asm/ip5000.h>
+
+/*
+ * These symbols are filled in by the linker.
+ */
+extern unsigned long _stext;
+extern unsigned long _etext;
+
+extern unsigned long __ocm_text_run_begin;
+extern unsigned long __data_begin;
+
+/*
+ * stacktrace_iterate()
+ *	Walk the stack looking for call and calli instructions on an aligned
+ *	boundary.
+ *
+ * Trace must point to the top of the current stack frame.
+ */
+unsigned long stacktrace_iterate(unsigned long **trace,
+				 unsigned long stext,
+				 unsigned long etext,
+				 unsigned long ocm_stext,
+				 unsigned long ocm_etext,
+				 unsigned long sstack,
+				 unsigned long estack)
+{
+	unsigned int thread_trap_en, instruction;
+	unsigned long address;
+	unsigned int limit = 0;
+	unsigned long result = 0;
+	unsigned long *sp = *trace;
+
+	/*
+	 * Exclude the current thread from being monitored for traps.
+	 */
+	asm volatile(
+		"	thread_get_self_mask d15		\n\t"
+			/* save current trap status */
+		"	and.4	%0, MT_TRAP_EN, d15		\n\t"
+		"	not.4	d15, d15			\n\t"
+			/* disable trap */
+		"	and.4	MT_TRAP_EN, MT_TRAP_EN, d15	\n\t"
+		"	pipe_flush 0				\n\t"
+		: "=r" (thread_trap_en)
+		:
+		: "d15", "cc"
+	);
+
+	while (limit++ < 256) {
+		/*
+		 * See if we have a valid stack.
+		 */
+		if (!between((unsigned long)sp, sstack, estack)) {
+#ifdef TRAP_DEBUG_STACK_TRACE
+			printk(KERN_EMERG "stack address is out of range - "
+			       "sp: %x, sstack: %x, estack: %x\n",
+			       (unsigned int)sp, (unsigned int)sstack,
+			       (unsigned int)estack);
+#endif
+			result = 0;
+			*trace = 0;
+			break;
+		}
+
+		/*
+		 * Get the value off the stack and back up 4 bytes to what
+		 * should be the address of a call or calli.
+		 */
+		address = (*sp++) - 4;
+
+		/*
+		 * If the address is not within the text segment, skip this
+		 * value.
+		 */
+		if (!between(address, stext, etext) &&
+		    !between(address, ocm_stext, ocm_etext)) {
+#ifdef TRAP_DEBUG_STACK_TRACE
+			printk(KERN_EMERG "not a text address - "
+			       "address: %08x, stext: %08x, etext: %08x\n"
+			       "ocm_stext: %08x, ocm_etext: %08x\n",
+			       (unsigned int)address,
+			       (unsigned int)stext,
+			       (unsigned int)etext,
+			       (unsigned int)ocm_stext,
+			       (unsigned int)ocm_etext);
+#endif
+			continue;
+
+		}
+
+		/*
+		 * If the address is not on an aligned boundary it can not be a
+		 * return address.
+		 */
+		if (address & 0x3) {
+			continue;
+		}
+
+		/*
+		 * Read the probable instruction.
+		 */
+		instruction = *(unsigned int *)address;
+
+		/*
+		 * Is this a call instruction?
+		 */
+		if ((instruction & 0xF8000000) == (u32_t)(0x1B << 27)) {
+#ifdef TRAP_DEBUG_STACK_TRACE
+			printk(KERN_EMERG "call inst. result: %x, "
+			       "test: %x\n", (unsigned int)address,
+			       (unsigned int)instruction);
+#endif
+			*trace = sp;
+			result = address;
+			break;
+		}
+
+		/*
+		 * Is this a calli instruction?
+		 */
+		if ((instruction & 0xF8000000) == (u32_t)(0x1E << 27)) {
+#ifdef TRAP_DEBUG_STACK_TRACE
+			printk(KERN_EMERG "calli inst. result: %x, "
+			       "test: %x\n", (unsigned int)address,
+			       (unsigned int)instruction);
+#endif
+			*trace = sp;
+			result = address;
+			break;
+		}
+	}
+
+	/*
+	 * Restore the current thread to be monitored for traps.
+	 */
+	if (thread_trap_en) {
+		asm volatile(
+		"	thread_get_self_mask d15		\n\t"
+		"	or.4	MT_TRAP_EN, MT_TRAP_EN, d15	\n\t"
+			:
+			:
+			: "d15", "cc"
+		);
+	}
+	return result;
+}
+
+#ifdef CONFIG_STACKTRACE
+/*
+ * stacktrace_save_entries()
+ *	Save stack back trace information into the provided trace structure.
+ */
+void stacktrace_save_entries(struct task_struct *tsk,
+			     struct stack_trace *trace,
+			     unsigned long sp)
+{
+	unsigned long code_start = (unsigned long)&_stext;
+	unsigned long code_end = (unsigned long)&_etext;
+	unsigned long ocm_code_start = (unsigned long)&__ocm_text_run_begin;
+	unsigned long ocm_code_end = (unsigned long)&__data_begin;
+	unsigned long stack_end = (unsigned long)(tsk->stack + THREAD_SIZE - 8);
+	unsigned long stack = (unsigned long)sp;
+	unsigned int idx = 0;
+	unsigned long *handle;
+	int skip = trace->skip;
+
+	handle = (unsigned long *)stack;
+	while (idx < trace->max_entries) {
+		if (skip) {
+			skip--;
+			continue;
+		}
+		trace->entries[idx] = stacktrace_iterate(&handle,
+					code_start, code_end,
+					ocm_code_start, ocm_code_end,
+					(unsigned long)stack, stack_end);
+		if (trace->entries[idx] == 0) {
+			break;
+		}
+		idx++;
+	}
+}
+
+/*
+ * save_stack_trace()
+ *	Save the specified amount of the kernel stack trace information
+ *	for the current task.
+ */
+void save_stack_trace(struct stack_trace *trace)
+{
+	unsigned long sp = 0;
+	asm volatile (
+	"	move.4	%0, SP		\n\t"
+		: "=r" (sp)
+	);
+	stacktrace_save_entries(current, trace, sp);
+}
+EXPORT_SYMBOL_GPL(save_stack_trace);
+
+/*
+ * save_stack_trace_tsk()
+ *	Save the specified amount of the kernel stack trace information
+ *	for the specified task.
+ *
+ * Note: We assume the specified task is not currently running.
+ */
+void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
+{
+	stacktrace_save_entries(tsk, trace, tsk->thread.sp);
+}
+EXPORT_SYMBOL_GPL(save_stack_trace_tsk);
+#endif /* CONFIG_STACKTRACE */
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/syscalltable.S linux-2.6.30.10-ubi/arch/ubicom32/kernel/syscalltable.S
--- linux-2.6.30.10/arch/ubicom32/kernel/syscalltable.S	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/syscalltable.S	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,376 @@
+/*
+ * arch/ubicom32/kernel/syscalltable.S
+ *	<TODO: Replace with short file description>
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+/*
+ *
+ *  Copyright (C) 2002, Greg Ungerer (gerg@snapgear.com)
+ *  Copyright (C) 1998  D. Jeff Dionne <jeff@lineo.ca>, Kenneth Albanowski <kjahds@kjahds.com>,
+ *  Copyright (C) 2000  Lineo Inc. (www.lineo.com)
+ *  Copyright (C) 1991, 1992  Linus Torvalds
+ */
+
+#include <linux/sys.h>
+#include <linux/linkage.h>
+#include <asm/unistd.h>
+
+.text
+ALIGN
+	.global sys_call_table
+sys_call_table:
+	.long sys_ni_syscall	/* 0  -  old "setup()" system call*/
+	.long sys_exit
+	.long sys_fork
+	.long sys_read
+	.long sys_write
+	.long sys_open		/* 5 */
+	.long sys_close
+	.long sys_waitpid
+	.long sys_creat
+	.long sys_link
+	.long sys_unlink	/* 10 */
+	.long execve_intercept
+	.long sys_chdir
+	.long sys_time
+	.long sys_mknod
+	.long sys_chmod		/* 15 */
+	.long sys_chown16
+	.long sys_ni_syscall	/* old break syscall holder */
+	.long sys_stat
+	.long sys_lseek
+	.long sys_getpid	/* 20 */
+	.long sys_mount
+	.long sys_oldumount
+	.long sys_setuid16
+	.long sys_getuid16
+	.long sys_stime		/* 25 */
+	.long sys_ptrace
+	.long sys_alarm
+	.long sys_fstat
+	.long sys_pause
+	.long sys_utime		/* 30 */
+	.long sys_ni_syscall	/* old stty syscall holder */
+	.long sys_ni_syscall	/* old gtty syscall holder */
+	.long sys_access
+	.long sys_nice
+	.long sys_ni_syscall	/* 35 */ /* old ftime syscall holder */
+	.long sys_sync
+	.long sys_kill
+	.long sys_rename
+	.long sys_mkdir
+	.long sys_rmdir		/* 40 */
+	.long sys_dup
+	.long sys_pipe
+	.long sys_times
+	.long sys_ni_syscall	/* old prof syscall holder */
+	.long sys_brk		/* 45 */
+	.long sys_setgid16
+	.long sys_getgid16
+	.long sys_signal
+	.long sys_geteuid16
+	.long sys_getegid16	/* 50 */
+	.long sys_acct
+	.long sys_umount	/* recycled never used phys() */
+	.long sys_ni_syscall	/* old lock syscall holder */
+	.long sys_ioctl
+	.long sys_fcntl		/* 55 */
+	.long sys_ni_syscall	/* old mpx syscall holder */
+	.long sys_setpgid
+	.long sys_ni_syscall	/* old ulimit syscall holder */
+	.long sys_ni_syscall
+	.long sys_umask		/* 60 */
+	.long sys_chroot
+	.long sys_ustat
+	.long sys_dup2
+	.long sys_getppid
+	.long sys_getpgrp	/* 65 */
+	.long sys_setsid
+	.long sys_sigaction
+	.long sys_sgetmask
+	.long sys_ssetmask
+	.long sys_setreuid16	/* 70 */
+	.long sys_setregid16
+	.long sys_sigsuspend
+	.long sys_sigpending
+	.long sys_sethostname
+	.long sys_setrlimit	/* 75 */
+	.long sys_old_getrlimit
+	.long sys_getrusage
+	.long sys_gettimeofday
+	.long sys_settimeofday
+	.long sys_getgroups16	/* 80 */
+	.long sys_setgroups16
+	.long old_select
+	.long sys_symlink
+	.long sys_lstat
+	.long sys_readlink	/* 85 */
+	.long sys_uselib
+	.long sys_ni_syscall	/* _sys_swapon */
+	.long sys_reboot
+	.long sys_old_readdir
+	.long old_mmap		/* 90 */
+	.long sys_munmap
+	.long sys_truncate
+	.long sys_ftruncate
+	.long sys_fchmod
+	.long sys_fchown16	/* 95 */
+	.long sys_getpriority
+	.long sys_setpriority
+	.long sys_ni_syscall	/* old profil syscall holder */
+	.long sys_statfs
+	.long sys_fstatfs	/* 100 */
+	.long sys_ni_syscall	/* ioperm for i386 */
+	.long sys_socketcall
+	.long sys_syslog
+	.long sys_setitimer
+	.long sys_getitimer	/* 105 */
+	.long sys_newstat
+	.long sys_newlstat
+	.long sys_newfstat
+	.long sys_ni_syscall
+	.long sys_ni_syscall	/* iopl for i386 */ /* 110 */
+	.long sys_vhangup
+	.long sys_ni_syscall	/* obsolete idle() syscall */
+	.long sys_ni_syscall	/* vm86old for i386 */
+	.long sys_wait4
+	.long sys_ni_syscall	/* 115 */ /* _sys_swapoff */
+	.long sys_sysinfo
+	.long sys_ipc
+	.long sys_fsync
+	.long sys_sigreturn
+	.long clone_intercept	/* 120 */
+	.long sys_setdomainname
+	.long sys_newuname
+	.long sys_cacheflush	/* modify_ldt for i386 */
+	.long sys_adjtimex
+	.long sys_ni_syscall	/* 125 */ /* _sys_mprotect */
+	.long sys_sigprocmask
+	.long sys_ni_syscall	/* old "creat_module" */
+	.long sys_init_module
+	.long sys_delete_module
+	.long sys_ni_syscall	/* 130: old "get_kernel_syms" */
+	.long sys_quotactl
+	.long sys_getpgid
+	.long sys_fchdir
+	.long sys_bdflush
+	.long sys_sysfs		/* 135 */
+	.long sys_personality
+	.long sys_ni_syscall	/* for afs_syscall */
+	.long sys_setfsuid16
+	.long sys_setfsgid16
+	.long sys_llseek	/* 140 */
+	.long sys_getdents
+	.long sys_select
+	.long sys_flock
+	.long sys_ni_syscall	/* _sys_msync */
+	.long sys_readv		/* 145 */
+	.long sys_writev
+	.long sys_getsid
+	.long sys_fdatasync
+	.long sys_sysctl
+	.long sys_ni_syscall	/* 150 */ /* _sys_mlock */
+	.long sys_ni_syscall	/* _sys_munlock */
+	.long sys_ni_syscall	/* _sys_mlockall */
+	.long sys_ni_syscall	/* _sys_munlockall */
+	.long sys_sched_setparam
+	.long sys_sched_getparam /* 155 */
+	.long sys_sched_setscheduler
+	.long sys_sched_getscheduler
+	.long sys_sched_yield
+	.long sys_sched_get_priority_max
+	.long sys_sched_get_priority_min  /* 160 */
+	.long sys_sched_rr_get_interval
+	.long sys_nanosleep
+	.long sys_ni_syscall	/* _sys_mremap */
+	.long sys_setresuid16
+	.long sys_getresuid16	/* 165 */
+	.long sys_getpagesize	/* _sys_getpagesize */
+	.long sys_ni_syscall	/* old "query_module" */
+	.long sys_poll
+	.long sys_ni_syscall	/* _sys_nfsservctl */
+	.long sys_setresgid16	/* 170 */
+	.long sys_getresgid16
+	.long sys_prctl
+	.long sys_rt_sigreturn
+	.long sys_rt_sigaction
+	.long sys_rt_sigprocmask /* 175 */
+	.long sys_rt_sigpending
+	.long sys_rt_sigtimedwait
+	.long sys_rt_sigqueueinfo
+	.long sys_rt_sigsuspend
+	.long sys_pread64	/* 180 */
+	.long sys_pwrite64
+	.long sys_lchown16
+	.long sys_getcwd
+	.long sys_capget
+	.long sys_capset	/* 185 */
+	.long sys_sigaltstack
+	.long sys_sendfile
+	.long sys_ni_syscall	/* streams1 */
+	.long sys_ni_syscall	/* streams2 */
+	.long vfork_intercept		/* 190 */
+	.long sys_getrlimit
+	.long sys_mmap2
+	.long sys_truncate64
+	.long sys_ftruncate64
+	.long sys_stat64	/* 195 */
+	.long sys_lstat64
+	.long sys_fstat64
+	.long sys_chown
+	.long sys_getuid
+	.long sys_getgid	/* 200 */
+	.long sys_geteuid
+	.long sys_getegid
+	.long sys_setreuid
+	.long sys_setregid
+	.long sys_getgroups	/* 205 */
+	.long sys_setgroups
+	.long sys_fchown
+	.long sys_setresuid
+	.long sys_getresuid
+	.long sys_setresgid	/* 210 */
+	.long sys_getresgid
+	.long sys_lchown
+	.long sys_setuid
+	.long sys_setgid
+	.long sys_setfsuid	/* 215 */
+	.long sys_setfsgid
+	.long sys_pivot_root
+	.long sys_ni_syscall
+	.long sys_ni_syscall
+	.long sys_getdents64	/* 220 */
+	.long sys_gettid
+	.long sys_tkill
+	.long sys_setxattr
+	.long sys_lsetxattr
+	.long sys_fsetxattr	/* 225 */
+	.long sys_getxattr
+	.long sys_lgetxattr
+	.long sys_fgetxattr
+	.long sys_listxattr
+	.long sys_llistxattr	/* 230 */
+	.long sys_flistxattr
+	.long sys_removexattr
+	.long sys_lremovexattr
+	.long sys_fremovexattr
+	.long sys_futex		/* 235 */
+	.long sys_sendfile64
+	.long sys_ni_syscall	/* _sys_mincore */
+	.long sys_ni_syscall	/* _sys_madvise */
+	.long sys_fcntl64
+	.long sys_readahead	/* 240 */
+	.long sys_io_setup
+	.long sys_io_destroy
+	.long sys_io_getevents
+	.long sys_io_submit
+	.long sys_io_cancel	/* 245 */
+	.long sys_fadvise64
+	.long sys_exit_group
+	.long sys_lookup_dcookie
+	.long sys_epoll_create
+	.long sys_epoll_ctl	/* 250 */
+	.long sys_epoll_wait
+	.long sys_ni_syscall	/* _sys_remap_file_pages */
+	.long sys_set_tid_address
+	.long sys_timer_create
+	.long sys_timer_settime	/* 255 */
+	.long sys_timer_gettime
+	.long sys_timer_getoverrun
+	.long sys_timer_delete
+	.long sys_clock_settime
+	.long sys_clock_gettime	/* 260 */
+	.long sys_clock_getres
+	.long sys_clock_nanosleep
+	.long sys_statfs64
+	.long sys_fstatfs64
+	.long sys_tgkill	/* 265 */
+	.long sys_utimes
+	.long sys_fadvise64_64
+	.long sys_mbind
+	.long sys_get_mempolicy
+	.long sys_set_mempolicy	/* 270 */
+	.long sys_mq_open
+	.long sys_mq_unlink
+	.long sys_mq_timedsend
+	.long sys_mq_timedreceive
+	.long sys_mq_notify	/* 275 */
+	.long sys_mq_getsetattr
+	.long sys_waitid
+	.long sys_ni_syscall	/* for _sys_vserver */
+	.long sys_add_key
+	.long sys_request_key	/* 280 */
+	.long sys_keyctl
+	.long sys_ioprio_set
+	.long sys_ioprio_get
+	.long sys_inotify_init
+	.long sys_inotify_add_watch	/* 285 */
+	.long sys_inotify_rm_watch
+	.long sys_migrate_pages
+	.long sys_openat
+	.long sys_mkdirat
+	.long sys_mknodat		/* 290 */
+	.long sys_fchownat
+	.long sys_futimesat
+	.long sys_fstatat64
+	.long sys_unlinkat
+	.long sys_renameat		/* 295 */
+	.long sys_linkat
+	.long sys_symlinkat
+	.long sys_readlinkat
+	.long sys_fchmodat
+	.long sys_faccessat		/* 300 */
+	.long sys_ni_syscall		/* Reserved for pselect6 */
+	.long sys_ni_syscall		/* Reserved for ppoll */
+	.long sys_unshare
+	.long sys_set_robust_list
+	.long sys_get_robust_list	/* 305 */
+	.long sys_splice
+	.long sys_sync_file_range
+	.long sys_tee
+	.long sys_vmsplice
+	.long sys_move_pages		/* 310 */
+	.long sys_sched_setaffinity
+	.long sys_sched_getaffinity
+	.long sys_kexec_load
+	.long sys_getcpu
+	.long sys_epoll_pwait		/* 315 */
+	.long sys_utimensat
+	.long sys_signalfd
+	.long sys_timerfd_create
+	.long sys_eventfd
+	.long sys_fallocate		/* 320 */
+	.long sys_timerfd_settime
+	.long sys_timerfd_gettime
+	.long sys_ni_syscall		/* sys_signalfd4 */
+	.long sys_ni_syscall		/* sys_eventfd2 */
+	.long sys_ni_syscall		/* sys_epoll_create1 */
+					/* 325 */
+	.long sys_ni_syscall		/* sys_dup3 */
+	.long sys_ni_syscall		/* sys_pipe2 */
+	.long sys_ni_syscall		/* sys_inotify_init1 */
+	.rept NR_syscalls-(.-sys_call_table)/4
+		.long sys_ni_syscall
+	.endr
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/sys_ubicom32.c linux-2.6.30.10-ubi/arch/ubicom32/kernel/sys_ubicom32.c
--- linux-2.6.30.10/arch/ubicom32/kernel/sys_ubicom32.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/sys_ubicom32.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,237 @@
+/*
+ * arch/ubicom32/kernel/sys_ubicom32.c
+ *   Ubicom32 architecture system call support implementation.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ *
+ * This file contains various random system calls that
+ * have a non-standard calling sequence on the Linux/ubicom32
+ * platform.
+ */
+
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <linux/smp.h>
+#include <linux/sem.h>
+#include <linux/msg.h>
+#include <linux/shm.h>
+#include <linux/stat.h>
+#include <linux/syscalls.h>
+#include <linux/mman.h>
+#include <linux/file.h>
+#include <linux/utsname.h>
+#include <linux/ipc.h>
+#include <linux/fs.h>
+#include <linux/uaccess.h>
+#include <linux/unistd.h>
+
+#include <asm/setup.h>
+#include <asm/traps.h>
+#include <asm/cacheflush.h>
+
+/* common code for old and new mmaps */
+static inline long do_mmap2(
+	unsigned long addr, unsigned long len,
+	unsigned long prot, unsigned long flags,
+	unsigned long fd, unsigned long pgoff)
+{
+	int error = -EBADF;
+	struct file *file = NULL;
+
+	flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
+	if (!(flags & MAP_ANONYMOUS)) {
+		file = fget(fd);
+		if (!file)
+			goto out;
+	}
+
+	down_write(&current->mm->mmap_sem);
+	error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
+	up_write(&current->mm->mmap_sem);
+
+	if (file)
+		fput(file);
+out:
+	return error;
+}
+
+asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
+	unsigned long prot, unsigned long flags,
+	unsigned long fd, unsigned long pgoff)
+{
+	return do_mmap2(addr, len, prot, flags, fd, pgoff);
+}
+
+/*
+ * Perform the select(nd, in, out, ex, tv) and mmap() system
+ * calls. Linux/m68k cloned Linux/i386, which didn't use to be able to
+ * handle more than 4 system call parameters, so these system calls
+ * used a memory block for parameter passing..
+ */
+
+struct mmap_arg_struct {
+	unsigned long addr;
+	unsigned long len;
+	unsigned long prot;
+	unsigned long flags;
+	unsigned long fd;
+	unsigned long offset;
+};
+
+asmlinkage int old_mmap(struct mmap_arg_struct *arg)
+{
+	struct mmap_arg_struct a;
+	int error = -EFAULT;
+
+	if (copy_from_user(&a, arg, sizeof(a)))
+		goto out;
+
+	error = -EINVAL;
+	if (a.offset & ~PAGE_MASK)
+		goto out;
+
+	a.flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
+
+	error = do_mmap2(a.addr, a.len, a.prot, a.flags, a.fd,
+			 a.offset >> PAGE_SHIFT);
+out:
+	return error;
+}
+
+struct sel_arg_struct {
+	unsigned long n;
+	fd_set *inp, *outp, *exp;
+	struct timeval *tvp;
+};
+
+asmlinkage int old_select(struct sel_arg_struct *arg)
+{
+	struct sel_arg_struct a;
+
+	if (copy_from_user(&a, arg, sizeof(a)))
+		return -EFAULT;
+	/* sys_select() does the appropriate kernel locking */
+	return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
+}
+
+/*
+ * sys_ipc() is the de-multiplexer for the SysV IPC calls..
+ *
+ * This is really horribly ugly.
+ */
+asmlinkage int sys_ipc(uint call, int first, int second,
+			int third, void *ptr, long fifth)
+{
+	int version, ret;
+
+	version = call >> 16; /* hack for backward compatibility */
+	call &= 0xffff;
+
+	if (call <= SEMCTL)
+		switch (call) {
+		case SEMOP:
+			return sys_semop(first, (struct sembuf *)ptr, second);
+		case SEMGET:
+			return sys_semget(first, second, third);
+		case SEMCTL: {
+			union semun fourth;
+			if (!ptr)
+				return -EINVAL;
+			if (get_user(fourth.__pad, (void **) ptr))
+				return -EFAULT;
+			return sys_semctl(first, second, third, fourth);
+			}
+		default:
+			return -EINVAL;
+		}
+	if (call <= MSGCTL)
+		switch (call) {
+		case MSGSND:
+			return sys_msgsnd(first, (struct msgbuf *) ptr,
+					  second, third);
+		case MSGRCV:
+			switch (version) {
+			case 0: {
+				struct ipc_kludge tmp;
+				if (!ptr)
+					return -EINVAL;
+				if (copy_from_user(&tmp,
+						   (struct ipc_kludge *)ptr,
+						   sizeof(tmp)))
+					return -EFAULT;
+				return sys_msgrcv(first, tmp.msgp, second,
+						   tmp.msgtyp, third);
+				}
+			default:
+				return sys_msgrcv(first,
+						  (struct msgbuf *) ptr,
+						  second, fifth, third);
+			}
+		case MSGGET:
+			return sys_msgget((key_t) first, second);
+		case MSGCTL:
+			return sys_msgctl(first, second,
+					   (struct msqid_ds *) ptr);
+		default:
+			return -EINVAL;
+		}
+	if (call <= SHMCTL)
+		switch (call) {
+		case SHMAT:
+			switch (version) {
+			default: {
+				ulong raddr;
+				ret = do_shmat(first, ptr, second, &raddr);
+				if (ret)
+					return ret;
+				return put_user(raddr, (ulong __user *) third);
+			}
+			}
+		case SHMDT:
+			return sys_shmdt(ptr);
+		case SHMGET:
+			return sys_shmget(first, second, third);
+		case SHMCTL:
+			return sys_shmctl(first, second, ptr);
+		default:
+			return -ENOSYS;
+		}
+
+	return -EINVAL;
+}
+
+/* sys_cacheflush -- flush (part of) the processor cache.  */
+asmlinkage int
+sys_cacheflush(unsigned long addr, int scope, int cache, unsigned long len)
+{
+	flush_cache_all();
+	return 0;
+}
+
+asmlinkage int sys_getpagesize(void)
+{
+	return PAGE_SIZE;
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/thread.c linux-2.6.30.10-ubi/arch/ubicom32/kernel/thread.c
--- linux-2.6.30.10/arch/ubicom32/kernel/thread.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/thread.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,228 @@
+/*
+ * arch/ubicom32/kernel/thread.c
+ *   Ubicom32 architecture hardware thread support.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/profile.h>
+#include <linux/clocksource.h>
+#include <linux/types.h>
+#include <asm/ip5000.h>
+#include <asm/machdep.h>
+#include <asm/asm-offsets.h>
+#include <asm/thread.h>
+
+/*
+ * TODO: At some point change the name here to be thread_ksp
+ */
+unsigned int sw_ksp[THREAD_ARCHITECTURAL_MAX];
+
+static unsigned int thread_mask = -1;
+static unsigned int thread_mainline_mask;
+
+/*
+ * thread_entry()
+ *	Returning from the called function will disable the thread.
+ *
+ * This could be a naked call to allow for hwthreads that do not have stacks.
+ * However, with -O0, the code still writes to thex stack, and this was
+ * corrupting memory just after the callers stack.
+ */
+static void thread_entry(void *arg, thread_exec_fn_t exec)
+{
+	/*
+	 * Call thread function
+	 */
+	exec(arg);
+
+	/*
+	 * Complete => Disable self
+	 */
+	thread_disable(thread_get_self());
+}
+
+/*
+ * thread_start()
+ *	Start the specified function on the specified hardware thread.
+ */
+thread_t thread_start(thread_t thread,
+		      thread_exec_fn_t exec,
+		      void *arg,
+		      unsigned int *sp_high,
+		      thread_type_t type)
+{
+	/*
+	 * Sanity check
+	 */
+	unsigned int enabled, mask, csr;
+	asm volatile (
+		"move.4		%0, MT_EN\n\t"
+		: "=m" (enabled)
+	);
+
+	mask = 1 << thread;
+	if (enabled & mask) {
+		printk(KERN_WARNING "request to enable a previously enabled thread\n");
+		return (thread_t)-1;
+	}
+
+	/*
+	 * Update thread state
+	 */
+	csr = (thread << 15) | (1 << 14);
+	asm volatile (
+		"setcsr		%0		\n\t"
+		"setcsr_flush	0		\n\t"
+
+		"move.4		A0, #0		\n\t"
+		"move.4		A1, #0		\n\t"
+		"move.4		A2, #0		\n\t"
+		"move.4		A3, #0		\n\t"
+		"move.4		A4, #0		\n\t"
+		"move.4		A5, #0		\n\t"
+		"move.4		A6, #0		\n\t"
+		"move.4		SP, %4		\n\t"	/* A7 is SP */
+
+		"move.4		D0, %3		\n\t"
+		"move.4		D1, %2		\n\t"
+		"move.4		D2, #0		\n\t"
+		"move.4		D3, #0		\n\t"
+		"move.4		D4, #0		\n\t"
+		"move.4		D5, #0		\n\t"
+		"move.4		D6, #0		\n\t"
+		"move.4		D7, #0		\n\t"
+		"move.4		D8, #0		\n\t"
+		"move.4		D9, #0		\n\t"
+		"move.4		D10, #0		\n\t"
+		"move.4		D11, #0		\n\t"
+		"move.4		D12, #0		\n\t"
+		"move.4		D13, #0		\n\t"
+		"move.4		D14, #0		\n\t"
+		"move.4		D15, #0		\n\t"
+
+		"move.4		INT_MASK0, #0	\n\t"
+		"move.4		INT_MASK1, #0	\n\t"
+		"move.4		PC, %1		\n\t"
+		"setcsr		#0		\n\t"
+		"setcsr_flush	0		\n\t"
+		:
+		: "r" (csr), "r" (thread_entry), "r" (exec),
+		  "r" (arg), "r" (sp_high)
+	);
+
+	/*
+	 * Apply HRT state
+	 */
+	if (type & THREAD_TYPE_HRT) {
+		asm volatile (
+			"or.4		MT_HRT, MT_HRT, %0\n\t"
+			:
+			: "d" (mask)
+			: "cc"
+		);
+	} else {
+		asm volatile (
+			"and.4		MT_HRT, MT_HRT, %0\n\t"
+			:
+			: "d" (~mask)
+			: "cc"
+		);
+	}
+
+	/*
+	 * Set priority
+	 */
+	asm volatile (
+		"or.4		MT_HPRI, MT_HPRI, %0\n\t"
+		:
+		: "d" (mask)
+		: "cc"
+	);
+
+	/*
+	 * Enable thread
+	 */
+	asm volatile (
+		"move.4		MT_ACTIVE_SET, %0	\n\t"
+		:
+		: "d" (mask)
+	);
+	thread_enable_mask(mask);
+	return thread;
+}
+
+/*
+ * thread_get_mainline()
+ *	Return a mask of those threads that are Linux mainline threads.
+ */
+unsigned int thread_get_mainline(void)
+{
+	return thread_mainline_mask;
+}
+
+/*
+ * thread_set_mainline()
+ *	Indicate that the specified thread is a Linux mainline thread.
+ */
+void thread_set_mainline(thread_t tid)
+{
+	thread_mainline_mask |= (1 << tid);
+}
+
+/*
+ * thread_alloc()
+ *	Allocate an unused hardware thread.
+ */
+thread_t thread_alloc(void)
+{
+	thread_t tid;
+
+	/*
+	 * If this is the first time we are here get the list of unused
+	 * threads from the processor device tree node.
+	 */
+	if (thread_mask == -1) {
+		thread_mask = processor_threads();
+	}
+
+	if (!thread_mask) {
+		return (thread_t)-1;
+	}
+
+	tid = ffs(thread_mask);
+	if (tid != 0) {
+		tid--;
+		thread_mask &= ~(1 << tid);
+		return tid;
+	}
+
+	return (thread_t)-1;
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/time.c linux-2.6.30.10-ubi/arch/ubicom32/kernel/time.c
--- linux-2.6.30.10/arch/ubicom32/kernel/time.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/time.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,212 @@
+/*
+ * arch/ubicom32/kernel/time.c
+ *	Initialize the timer list and start the appropriate timers.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 1991, 1992, 1995  Linus Torvalds
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/profile.h>
+#include <linux/smp.h>
+#include <asm/ip5000.h>
+#include <asm/machdep.h>
+
+/*
+ * A bitmap of the timers on the processor indicates
+ * that the timer is free or in-use.
+ */
+static unsigned int timers;
+
+/*
+ * timer_set()
+ *	Init the specified compare register to go off <n> cycles from now.
+ */
+void timer_set(int timervector, unsigned int cycles)
+{
+	int idx = UBICOM32_VECTOR_TO_TIMER_INDEX(timervector);
+	UBICOM32_IO_TIMER->syscom[idx] =
+			UBICOM32_IO_TIMER->sysval + cycles;
+	ldsr_enable_vector(timervector);
+}
+
+/*
+ * timer_reset()
+ *	Set/reset the timer to go off again.
+ *
+ * Because sysval is a continuous timer, this function is able
+ * to ensure that we do not have clock sku by using the previous
+ * value in syscom to set the next value for syscom.
+ *
+ * Returns the number of ticks that transpired since the last event.
+ */
+int timer_reset(int timervector, unsigned int cycles)
+{
+	/*
+	 * Reset the timer in the LDSR thread to go off appropriately.
+	 *
+	 * Use the previous value of the timer to calculate the new stop
+	 * time.  This allows us to account for it taking an
+	 * indeterminate amount of time to get here.
+	 */
+	const int timer_index = UBICOM32_VECTOR_TO_TIMER_INDEX(timervector);
+	unsigned int prev = UBICOM32_IO_TIMER->syscom[timer_index];
+	unsigned int next = prev + cycles;
+	int scratchpad3;
+	int diff;
+	int ticks = 1;
+
+	/*
+	 * If the difference is negative, we have missed at least one
+	 * timer tick.
+	 *
+	 * TODO: Decide if we want to "ignore" time (as done below) or
+	 * if we want to process time (unevenly) by calling timer_tick()
+	 * lost_ticks times.
+	 */
+	while (1) {
+		/*
+		 * Set our future time first.
+		 */
+		UBICOM32_IO_TIMER->syscom[timer_index] = next;
+
+		/*
+		 * Then check if we are really set time in the futrue.
+		 */
+		diff = (int)next - (int)UBICOM32_IO_TIMER->sysval;
+		if (diff >= 0) {
+			break;
+		}
+
+		/*
+		 * Oops, we are too slow. Playing catch up.
+		 *
+		 * If the debugger is connected the there is a good
+		 * chance that we lost time because we were in a
+		 * break-point, so in this case we do not print out
+		 * diagnostics.
+		 */
+		asm volatile ("move.4 %0, scratchpad3"
+			      : "=r" (scratchpad3));
+		if ((scratchpad3 & 0x1) == 0) {
+			/*
+			 * No debugger attached, print to the console
+			 */
+			printk(KERN_EMERG "diff: %d, timer has lost %u "
+			       "ticks [rounded up]\n",
+			       -diff,
+			       (unsigned int)((-diff + cycles - 1) / cycles));
+		}
+
+		do {
+			next += cycles;
+			diff = (int)next - (int)UBICOM32_IO_TIMER->sysval;
+			ticks++;
+		} while (diff < 0);
+	}
+	return ticks;
+}
+
+/*
+ * sched_clock()
+ *	Returns current time in nano-second units.
+ *
+ * Notes:
+ * 1) This is an override for the weak alias in
+ * kernel/sched_clock.c.
+ * 2) Do not use xtime_lock as this function is
+ * sometimes called with xtime_lock held.
+ * 3) We use a retry algorithm to ensure that
+ * we get a consistent value.
+ * 4) sched_clock must be overwritten if IRQ tracing
+ * is enabled because the default implementation uses
+ * the xtime_lock sequence while holding xtime_lock.
+ */
+unsigned long long sched_clock(void)
+{
+	unsigned long long my_jiffies;
+	unsigned long jiffies_top;
+	unsigned long jiffies_bottom;
+
+	do {
+		jiffies_top = jiffies_64 >> 32;
+		jiffies_bottom = jiffies_64 & 0xffffffff;
+	} while (unlikely(jiffies_top != (unsigned long)(jiffies_64 >> 32)));
+
+	my_jiffies = ((unsigned long long)jiffies_top << 32) | (jiffies_bottom);
+	return (my_jiffies - INITIAL_JIFFIES) * (NSEC_PER_SEC / HZ);
+}
+
+/*
+ * timer_free()
+ *	Free a hardware timer.
+ */
+void timer_free(int interrupt)
+{
+	unsigned int bit = interrupt - TIMER_INT(0);
+
+	/*
+	 * The timer had not been allocated.
+	 */
+	BUG_ON(timers & (1 << bit));
+	timers |= (1 << bit);
+}
+
+/*
+ * timer_alloc()
+ *	Allocate a hardware timer.
+ */
+int timer_alloc(void)
+{
+	unsigned int bit = find_first_bit((unsigned long *)&timers, 32);
+	if (!bit) {
+		printk(KERN_WARNING "no more free timers\n");
+		return -1;
+	}
+
+	timers &= ~(1 << bit);
+	return bit + TIMER_INT(0);
+}
+
+/*
+ * time_init()
+ *	Time init function.
+ */
+void time_init(void)
+{
+	/*
+	 * Find the processor node and determine what timers are
+	 * available for us.
+	 */
+	timers = processor_timers();
+	if (timers == 0) {
+		printk(KERN_WARNING "no timers are available for Linux\n");
+		return;
+	}
+
+#ifdef CONFIG_GENERIC_CLOCKEVENTS
+	timer_device_init();
+#else
+	timer_tick_init();
+#endif
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/timer_broadcast.c linux-2.6.30.10-ubi/arch/ubicom32/kernel/timer_broadcast.c
--- linux-2.6.30.10/arch/ubicom32/kernel/timer_broadcast.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/timer_broadcast.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,102 @@
+/*
+ * arch/ubicom32/kernel/timer_broadcast.c
+ *   Implements a dummy clock event for each cpu.
+ *
+ * Copyright (C) 2008  Paul Mundt
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ *   arch/arm
+ *   arch/sh
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/smp.h>
+#include <linux/jiffies.h>
+#include <linux/percpu.h>
+#include <linux/clockchips.h>
+#include <linux/irq.h>
+
+static DEFINE_PER_CPU(struct clock_event_device, local_clockevent);
+
+/*
+ *  The broadcast trick only works when the timer will be used in a periodic mode.
+ *  If the user has configured either NO_HZ or HIGH_RES_TIMERS they must have
+ *  a per cpu timer.
+ */
+#if defined(CONFIG_NO_HZ) || defined(CONFIG_HIGH_RES_TIMERS)
+#error "Tickless and High Resolution Timers require per-CPU local timers: CONFIG_LOCAL_TIMERS"
+#endif
+
+/*
+ * local_timer_interrupt()
+ *	Used on SMP for local timer interrupt sent via an IPI.
+ */
+void local_timer_interrupt(void)
+{
+	struct clock_event_device *dev = &__get_cpu_var(local_clockevent);
+
+	dev->event_handler(dev);
+}
+
+/*
+ * dummy_timer_set_next_event()
+ *	Cause the timer to go off "cycles" from now.
+ */
+static int dummy_timer_set_next_event(unsigned long cycles, struct clock_event_device *dev)
+{
+	return 0;
+}
+
+/*
+ * dummy_timer_set_mode()
+ *	Do Nothing.
+ */
+static void dummy_timer_set_mode(enum clock_event_mode mode,
+				 struct clock_event_device *clk)
+{
+}
+
+/*
+ * local_timer_setup()
+ *	Adds a clock event for the specified cpu.
+ */
+int __cpuinit local_timer_setup(unsigned int cpu)
+{
+	struct clock_event_device *dev = &per_cpu(local_clockevent, cpu);
+
+	dev->name		= "timer-dummy";
+	dev->features		= CLOCK_EVT_FEAT_DUMMY;
+	dev->rating		= 200;
+	dev->mult		= 1;
+	dev->set_mode		= dummy_timer_set_mode;
+	dev->set_next_event	= dummy_timer_set_next_event;
+	dev->broadcast		= smp_timer_broadcast;
+	dev->cpumask		= cpumask_of_cpu(cpu);
+	dev->irq		= -1;
+	printk(KERN_NOTICE "timer[%d]: %s - created\n", dev->irq, dev->name);
+
+	clockevents_register_device(dev);
+	return 0;
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/timer_device.c linux-2.6.30.10-ubi/arch/ubicom32/kernel/timer_device.c
--- linux-2.6.30.10/arch/ubicom32/kernel/timer_device.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/timer_device.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,301 @@
+/*
+ * arch/ubicom32/kernel/timer_device.c
+ *   Implements a Ubicom32 clock device and event devices.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/types.h>
+#include <linux/clockchips.h>
+#include <linux/clocksource.h>
+#include <linux/spinlock.h>
+#include <asm/ip5000.h>
+#include <asm/machdep.h>
+
+#if defined(CONFIG_SMP)
+#include <asm/smp.h>
+#endif
+
+#if defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST)
+#define MAX_TIMERS (2 + CONFIG_TIMER_EXTRA_ALLOC)
+#else
+#define MAX_TIMERS (NR_CPUS + CONFIG_TIMER_EXTRA_ALLOC)
+#endif
+
+#if (MAX_TIMERS > 10)
+#error "Ubicom32 only has 10 timers"
+#endif
+
+static unsigned int frequency;
+static struct clock_event_device timer_device_devs[MAX_TIMERS];
+static struct irqaction timer_device_irqs[MAX_TIMERS];
+static int timer_device_next_timer = 0;
+
+DEFINE_SPINLOCK(timer_device_lock);
+
+/*
+ * timer_device_set_next_event()
+ *	Cause the timer to go off "cycles" from now.
+ */
+static int timer_device_set_next_event(unsigned long cycles, struct clock_event_device *dev)
+{
+	timer_set(dev->irq, cycles);
+	return 0;
+}
+
+/*
+ * timer_device_set_mode()
+ *	Handle the mode switch for a clock event device.
+ */
+static void timer_device_set_mode(enum clock_event_mode mode, struct clock_event_device *dev)
+{
+	switch (mode) {
+	case CLOCK_EVT_MODE_SHUTDOWN:
+		/*
+		 * Make sure the vector is disabled
+		 * until the next event is set.
+		 */
+		printk(KERN_NOTICE "timer[%d]: shutdown\n", dev->irq);
+		ldsr_disable_vector(dev->irq);
+		break;
+
+	case CLOCK_EVT_MODE_ONESHOT:
+		/*
+		 * Make sure the vector is disabled
+		 * until the next event is set.
+		 */
+		printk(KERN_NOTICE "timer[%d]: oneshot\n", dev->irq);
+		ldsr_disable_vector(dev->irq);
+		break;
+
+	case CLOCK_EVT_MODE_PERIODIC:
+		/*
+		 * The periodic request is 1 per jiffies
+		 */
+		printk(KERN_NOTICE "timer[%d]: periodic: %d cycles\n",
+			dev->irq, frequency / CONFIG_HZ);
+		timer_set(dev->irq, frequency / CONFIG_HZ);
+		break;
+
+	case CLOCK_EVT_MODE_UNUSED:
+	case CLOCK_EVT_MODE_RESUME:
+		printk(KERN_WARNING "timer[%d]: unimplemented mode: %d\n",
+			dev->irq, mode);
+		break;
+	};
+}
+
+/*
+ * timer_device_event()
+ *	Call the device's event handler.
+ *
+ * The pointer is initialized by the generic Linux code
+ * to the function to be called.
+ */
+static irqreturn_t timer_device_event(int irq, void *dev_id)
+{
+	struct clock_event_device *dev = (struct clock_event_device *)dev_id;
+
+	if (dev->mode == CLOCK_EVT_MODE_PERIODIC) {
+		/*
+		 * The periodic request is 1 per jiffies
+		 */
+		timer_reset(dev->irq, frequency / CONFIG_HZ);
+	} else {
+		/*
+		 * The timer will go off again at the rollover
+		 * point.  We must disable the IRQ to prevent
+		 * getting a spurious interrupt.
+		 */
+		ldsr_disable_vector(dev->irq);
+	}
+
+	if (!dev->event_handler) {
+		printk(KERN_CRIT "no registered event handler\n");
+		return IRQ_HANDLED;
+	}
+
+	dev->event_handler(dev);
+	return IRQ_HANDLED;
+}
+
+/*
+ * timer_device_clockbase_read()
+ *	Provide a primary clocksource around the sysval timer.
+ */
+static cycle_t timer_device_clockbase_read(void)
+{
+	return (cycle_t)UBICOM32_IO_TIMER->sysval;
+}
+
+/*
+ * Primary Clock Source Description
+ *
+ * We use 24 for the shift factor because we want
+ * to ensure there are less than 2^24 clocks
+ * in a jiffie of 10 ms.
+ */
+static struct clocksource timer_device_clockbase = {
+	.name	= "sysval",
+	.rating	= 400,
+	.flags	= CLOCK_SOURCE_IS_CONTINUOUS,
+	.mask	= CLOCKSOURCE_MASK(32),
+	.shift	= 24,
+	.mult	= 0,
+	.read	= timer_device_clockbase_read,
+};
+
+/*
+ * timer_device_alloc_event()
+ * 	Allocate a timer device event.
+ */
+static int timer_device_alloc_event(const char *name, int cpuid, const cpumask_t *mask)
+{
+	struct clock_event_device *dev;
+	struct irqaction *action;
+
+	/*
+	 * Are we out of configured timers?
+	 */
+	spin_lock(&timer_device_lock);
+	if (timer_device_next_timer >= MAX_TIMERS) {
+		spin_unlock(&timer_device_lock);
+		printk(KERN_WARNING "out of timer event entries\n");
+		return -1;
+	}
+	dev = &timer_device_devs[timer_device_next_timer];
+	action = &timer_device_irqs[timer_device_next_timer];
+	timer_device_next_timer++;
+	spin_unlock(&timer_device_lock);
+
+	/*
+	 * Now allocate a timer to ourselves.
+	 */
+	dev->irq = timer_alloc();
+	if (dev->irq == -1) {
+		spin_lock(&timer_device_lock);
+		timer_device_next_timer--;
+		spin_unlock(&timer_device_lock);
+		printk(KERN_WARNING "out of hardware timers\n");
+		return -1;
+	}
+
+	/*
+	 * Init the IRQ action structure.  Make sure
+	 * this in place before you register the clock
+	 * event device.
+	 */
+	action->name = name;
+	action->flags = IRQF_DISABLED | IRQF_TIMER;
+	action->handler = timer_device_event;
+	cpumask_copy(&action->mask, mask);
+	action->dev_id = dev;
+	setup_irq(dev->irq, action);
+	irq_set_affinity(dev->irq, mask);
+	ldsr_disable_vector(dev->irq);
+
+	/*
+	 * init clock dev structure.
+	 *
+	 * The min_delta_ns is chosen to ensure that setting next
+	 * event will never be requested with too small of value.
+	 */
+	dev->name = name;
+	dev->rating = timer_device_clockbase.rating;
+	dev->shift = timer_device_clockbase.shift;
+	dev->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT;
+	dev->set_mode = timer_device_set_mode;
+	dev->set_next_event = timer_device_set_next_event;
+	dev->mult = div_sc(frequency, NSEC_PER_SEC, dev->shift);
+	dev->max_delta_ns = clockevent_delta2ns(0xffffffff, dev);
+	dev->min_delta_ns = clockevent_delta2ns(100, dev);
+	dev->cpumask = mask;
+	printk(KERN_NOTICE "timer[%d]: %s - created\n", dev->irq, dev->name);
+
+	/*
+	 * Now register the device.
+	 */
+	clockevents_register_device(dev);
+	return dev->irq;
+}
+
+#if defined(CONFIG_LOCAL_TIMERS)
+/*
+ * local_timer_setup()
+ * 	Allocation function for creating a per cpu local timer.
+ */
+int __cpuinit local_timer_setup(unsigned int cpu)
+{
+	return timer_device_alloc_event("timer-cpu", cpu, cpumask_of(cpu));
+}
+#endif
+
+/*
+ * timer_device_init()
+ * 	Create and init a generic clock driver for Ubicom32.
+ */
+void timer_device_init(void)
+{
+	int i;
+
+	/*
+	 * Get the frequency from the processor device tree node or use
+	 * the default if not available. We will store this as the frequency
+	 * of the timer to avoid future calculations.
+	 */
+	frequency = processor_frequency();
+	if (frequency == 0) {
+		frequency = CLOCK_TICK_RATE;
+	}
+
+	/*
+	 * Setup the primary clock source around sysval.  Linux does not
+	 * supply a Mhz multiplier so convert down to khz.
+	 */
+	timer_device_clockbase.mult =
+		clocksource_khz2mult(frequency / 1000,
+			timer_device_clockbase.shift);
+	if (clocksource_register(&timer_device_clockbase)) {
+		printk(KERN_ERR "timer: clocksource failed to register\n");
+		return;
+	}
+
+	/*
+	 * Always allocate a primary timer.
+	 */
+	timer_device_alloc_event("timer-primary", -1, CPU_MASK_ALL_PTR);
+
+#if defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST)
+	/*
+	 * If BROADCAST is selected we need to add a broadcast timer.
+	 */
+	timer_device_alloc_event("timer-broadcast", -1, CPU_MASK_ALL_PTR);
+#endif
+
+	/*
+	 * Allocate extra timers that are requested.
+	 */
+	for (i = 0; i < CONFIG_TIMER_EXTRA_ALLOC; i++) {
+		timer_device_alloc_event("timer-extra", -1, CPU_MASK_ALL_PTR);
+	}
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/timer_tick.c linux-2.6.30.10-ubi/arch/ubicom32/kernel/timer_tick.c
--- linux-2.6.30.10/arch/ubicom32/kernel/timer_tick.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/timer_tick.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,109 @@
+/*
+ * arch/ubicom32/kernel/timer_tick.c
+ *	Impelemets a perodic timer.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 1991, 1992, 1995  Linus Torvalds
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/profile.h>
+
+#include <asm/ip5000.h>
+#include <asm/machdep.h>
+#if defined(CONFIG_SMP)
+#include <asm/smp.h>
+#endif
+
+static unsigned int timervector;
+static unsigned int frequency;
+
+/*
+ * timer_tick()
+ *	Kernel system timer support. Needs to keep up the real-time clock,
+ * 	as well as call the "do_timer()" routine every clocktick.
+ */
+static irqreturn_t timer_tick(int irq, void *dummy)
+{
+	int ticks;
+
+	BUG_ON(!irqs_disabled());
+	ticks = timer_reset(timervector, frequency);
+
+	write_seqlock(&xtime_lock);
+	do_timer(ticks);
+	write_sequnlock(&xtime_lock);
+
+	update_process_times(user_mode(get_irq_regs()));
+	profile_tick(CPU_PROFILING);
+
+#if defined(CONFIG_SMP)
+	smp_send_timer_all();
+#endif
+	return(IRQ_HANDLED);
+}
+
+/*
+ * Data used by setup_irq for the timer.
+ */
+static struct irqaction timer_irq = {
+	.name	 = "timer",
+	.flags	 = IRQF_DISABLED | IRQF_TIMER,
+	.handler = timer_tick,
+};
+
+/*
+ * timer_tick_init()
+ * 	Implements a periodic timer
+ *
+ * This implementation directly calls the timer_tick() and move
+ * the Linux kernel forward.  This is used when the user has not
+ * selected GENERIC_CLOCKEVENTS.
+ */
+void timer_tick_init(void)
+{
+	/*
+	 * Now allocate a timer to ourselves.
+	 */
+	timervector = timer_alloc();
+	if (timervector == -1) {
+		printk(KERN_WARNING "where did the timer go?\n");
+		return;
+	}
+
+	setup_irq(timervector, &timer_irq);
+
+	/*
+	 * Get the frequency from the processor device tree node or use
+	 * the default if not available. We will store this as the frequency
+	 * of the timer to avoid future calculations.
+	 */
+	frequency = processor_frequency();
+	if (frequency == 0) {
+		frequency = CLOCK_TICK_RATE;
+	}
+	frequency /= CONFIG_HZ;
+
+	printk(KERN_NOTICE "timer will interrupt every: %d cycles\n", frequency);
+	timer_set(timervector, frequency);
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/topology.c linux-2.6.30.10-ubi/arch/ubicom32/kernel/topology.c
--- linux-2.6.30.10/arch/ubicom32/kernel/topology.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/topology.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,47 @@
+/*
+ * arch/ubicom32/kernel/topology.c
+ *   Ubicom32 architecture sysfs topology information.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/init.h>
+#include <linux/smp.h>
+#include <linux/cpu.h>
+#include <linux/cache.h>
+
+static struct cpu cpu_devices[NR_CPUS] __read_mostly;
+
+static int __init topology_init(void)
+{
+	int num;
+
+	for_each_present_cpu(num) {
+		cpu_devices[num].hotpluggable = 0;
+		register_cpu(&cpu_devices[num], num);
+	}
+	return 0;
+}
+
+subsys_initcall(topology_init);
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/traps.c linux-2.6.30.10-ubi/arch/ubicom32/kernel/traps.c
--- linux-2.6.30.10/arch/ubicom32/kernel/traps.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/traps.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,514 @@
+/*
+ * arch/ubicom32/kernel/traps.c
+ *   Ubicom32 architecture trap handling support.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+/*
+ * Sets up all exception vectors
+ */
+#include <linux/sched.h>
+#include <linux/signal.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/a.out.h>
+#include <linux/user.h>
+#include <linux/string.h>
+#include <linux/linkage.h>
+#include <linux/init.h>
+#include <linux/ptrace.h>
+#include <linux/kallsyms.h>
+#include <linux/compiler.h>
+#include <linux/stacktrace.h>
+#include <linux/personality.h>
+
+#include <asm/uaccess.h>
+#include <asm/stacktrace.h>
+#include <asm/devtree.h>
+#include <asm/setup.h>
+#include <asm/fpu.h>
+#include <asm/system.h>
+#include <asm/traps.h>
+#include <asm/pgtable.h>
+#include <asm/processor.h>
+#include <asm/machdep.h>
+#include <asm/siginfo.h>
+#include <asm/ip5000.h>
+#include <asm/thread.h>
+
+#define TRAP_MAX_STACK_DEPTH 20
+
+/*
+ * These symbols are filled in by the linker.
+ */
+extern unsigned long _stext;
+extern unsigned long _etext;
+
+extern unsigned long __ocm_text_run_begin;
+extern unsigned long __data_begin;
+
+extern void show_vmas(struct task_struct *task);
+
+const char *trap_cause_strings[] = {
+	/*0*/	"inst address decode error",
+	/*1*/	"inst sync error",
+	/*2*/	"inst illegal",
+	/*3*/	"src1 address decode error",
+	/*4*/	"dst address decode error",
+	/*5*/	"src1 alignment error",
+	/*6*/	"dst alignment error",
+	/*7*/	"src1 sync error",
+	/*8*/	"dst sync error",
+	/*9*/	"DCAPT error",
+	/*10*/	"inst range error",
+	/*11*/	"src1 range error",
+	/*12*/	"dst range error",
+};
+
+/*
+ * The device tree trap node definition.
+ */
+struct trapnode {
+	struct devtree_node dn;
+	unsigned int intthread;
+};
+
+static struct trapnode *tn;;
+
+/*
+ * trap_interrupt_handler()
+ *	Software Interrupt to ensure that a trap is serviced.
+ */
+static irqreturn_t trap_interrupt_handler(int irq, void *dummy)
+{
+	/* Do Nothing */
+	return IRQ_HANDLED;
+}
+
+/*
+ * Data used by setup_irq for the timer.
+ */
+static struct irqaction trap_irq = {
+	.name	 = "trap",
+	.flags	 = IRQF_DISABLED,
+	.handler = trap_interrupt_handler,
+};
+
+/*
+ * trap_cause_to_str()
+ *	Convert a trap_cause into a series of printk
+ */
+static void trap_cause_to_str(long status)
+{
+	int bit;
+
+	if ((status & ((1 << TRAP_CAUSE_TOTAL) - 1)) == 0) {
+		printk(KERN_NOTICE "decode: UNKNOWN CAUSES\n");
+		return;
+	}
+
+	for (bit = 0; bit < TRAP_CAUSE_TOTAL; bit++) {
+		if (status & (1 << bit)) {
+			printk(KERN_NOTICE "\tdecode: %08x %s\n",
+			       1 << bit, trap_cause_strings[bit]);
+		}
+	}
+}
+
+/*
+ * trap_print_information()
+ *	Print the cause of the trap and additional info.
+ */
+static void trap_print_information(const char *str, struct pt_regs *regs)
+{
+	printk(KERN_WARNING "\n");
+
+	if (current) {
+		printk(KERN_WARNING "Process %s (pid: %d)\n",
+			current->comm, current->pid);
+	}
+
+	if (current && current->mm) {
+		printk(KERN_NOTICE "text = 0x%p-0x%p  data = 0x%p-0x%p\n"
+			KERN_NOTICE "bss = 0x%p-0x%p   user-stack = 0x%p\n"
+			KERN_NOTICE "\n",
+			(void *)current->mm->start_code,
+			(void *)current->mm->end_code,
+			(void *)current->mm->start_data,
+			(void *)current->mm->end_data,
+			(void *)current->mm->end_data,
+			(void *)current->mm->brk,
+			(void *)current->mm->start_stack);
+	}
+
+	printk(KERN_WARNING "%s: Causes: 0x%08x\n", str,
+			(unsigned int)regs->trap_cause);
+	trap_cause_to_str(regs->trap_cause);
+	show_regs(regs);
+	show_stack(NULL, (unsigned long *)regs->an[7]);
+	printk(KERN_NOTICE "--- End Trap --- \n");
+}
+
+/*
+ * dump_stack()
+ *	Dump the stack of the current task.
+ */
+void dump_stack(void)
+{
+	show_stack(NULL, NULL);
+}
+EXPORT_SYMBOL(dump_stack);
+
+/*
+ * show_stack()
+ *	Print out information from the current stack.
+ */
+void show_stack(struct task_struct *task, unsigned long *sp)
+{
+	/*
+	 *  Allocate just enough entries on the stack.
+	 */
+	unsigned int calls[TRAP_MAX_STACK_DEPTH];
+	unsigned long code_start;
+	unsigned long code_end;
+	unsigned long ocm_code_start = (unsigned long)&__ocm_text_run_begin;
+	unsigned long ocm_code_end = (unsigned long)&__data_begin;
+	unsigned long stack_end = (unsigned long)(current->stack + THREAD_SIZE - 8);
+	unsigned long stack = (unsigned long)sp;
+	int kernel_stack = 1;
+
+	processor_dram(&code_start, &code_end);
+
+	/*
+	 * Which task are we talking about.
+	 */
+	if (!task) {
+		task = current;
+	}
+
+	/*
+	 * Find the stack for the task if one was not specified.  Otherwise
+	 * use the specified stack.
+	 */
+	if (!stack) {
+		if (task != current) {
+			stack = task->thread.sp;
+			stack_end = (unsigned long)task->stack + THREAD_SIZE - 8;
+		} else {
+			asm volatile (
+				"move.4		%0, SP		\n\t"
+				: "=r" (stack)
+			);
+		}
+	}
+
+	printk(KERN_NOTICE "Starting backtrace: PID %d '%s'\n",
+			task->pid, task->comm);
+
+	/*
+	 * We do 2 passes the first pass is Kernel stack is the second
+	 * User stack.
+	 */
+	while (kernel_stack) {
+		unsigned long *handle;
+		unsigned int i, idx = 0;
+		struct pt_regs *pt = task_pt_regs(task);
+
+		/*
+		 * If the task is in user mode, reset the start
+		 * and end values for text.
+		 */
+		if (__user_mode(stack)) {
+			if (!(task->personality & FDPIC_FUNCPTRS)) {
+				printk(KERN_NOTICE "  User Stack:\n");
+				code_start = task->mm->start_code;
+				code_end = task->mm->end_code;
+			} else {
+				printk(KERN_NOTICE "  User Stack (fdpic):\n");
+				show_vmas(task);
+			}
+			stack_end = task->mm->start_stack;
+			ocm_code_end = ocm_code_start = 0;
+			kernel_stack = 0;
+		} else {
+			printk(KERN_NOTICE "  Kernel Stack:\n");
+		}
+
+		/*
+		 * Collect the stack back trace information.
+		 */
+		printk("    code[0x%lx-0x%lx]", code_start, code_end);
+		if (ocm_code_start) {
+			printk(" ocm_code[0x%lx-0x%lx]",
+			       ocm_code_start, ocm_code_end);
+		}
+		printk("\n    stack[0x%lx-0x%lx]\n", stack, stack_end);
+
+		handle = (unsigned long*)stack;
+		while (idx < TRAP_MAX_STACK_DEPTH) {
+			calls[idx] = stacktrace_iterate(&handle,
+					code_start, code_end,
+					ocm_code_start, ocm_code_end,
+					(unsigned long)stack, stack_end);
+			if (calls[idx] == 0) {
+				break;
+			}
+			idx++;
+		}
+
+		/*
+		 * Now print out the data.
+		 */
+		printk(KERN_NOTICE "  CALL && CALLI on stack:");
+		for (i = 0; i < idx; i++) {
+			printk("%s0x%x, ", (i & 0x3) == 0 ?  "\n    " : "",
+					calls[i]);
+		}
+		printk(idx == TRAP_MAX_STACK_DEPTH ? "...\n" : "\n");
+
+		/*
+		 * If we are doing user stack we are done
+		 */
+		if (!kernel_stack) {
+			break;
+		}
+
+		/*
+		 * Does this kernel stack have a mm (i.e. is it user)
+		 */
+		if (!task->mm) {
+			printk("No mm for userspace stack.\n");
+			break;
+		}
+		/*
+		 * Get the user-mode stack (if any)
+		 */
+		stack = pt->an[7];
+		printk(KERN_NOTICE "Userspace stack at 0x%lx frame type %d\n",
+				stack, (int)pt->frame_type);
+		if (!__user_mode(stack)) {
+			break;
+		}
+	}
+}
+
+/*
+ * die_if_kernel()
+ *	Determine if we are in kernel mode and if so print stuff out and die.
+ */
+void die_if_kernel(char *str, struct pt_regs *regs, long trap_cause)
+{
+	unsigned int s3value;
+
+	if (user_mode(regs)) {
+		return;
+	}
+
+	console_verbose();
+	trap_print_information(str, regs);
+
+	/*
+	 * If the debugger is attached via the hardware mailbox protocol,
+	 * go into an infinite loop and the debugger will figure things out.
+	 */
+	asm volatile (
+	      "move.4 %0, scratchpad3"
+	      : "=r" (s3value)
+	);
+	if (s3value) {
+		asm volatile("1:	jmpt.t 1b");
+	}
+
+	/*
+	 * Set the debug taint value.
+	 */
+	add_taint(TAINT_DIE);
+	do_exit(SIGSEGV);
+}
+
+/*
+ * trap_handler()
+ *	Handle traps.
+ *
+ * Traps are treated as interrupts and registered with the LDSR.  When
+ * the LDSR takes the interrupt, it will determine if a trap has occurred
+ * and service the trap prior to servicing the interrupt.
+ *
+ * This function is directly called by the LDSR.
+ */
+void trap_handler(int irq, struct pt_regs *regs)
+{
+	int sig = SIGSEGV;
+	siginfo_t info;
+	unsigned int trap_cause = regs->trap_cause;
+
+	BUG_ON(!irqs_disabled());
+
+	/*
+	 * test if in kernel and die.
+	 */
+	die_if_kernel("Kernel Trap", regs, trap_cause);
+
+	/*
+	 * User process problem, setup a signal for this process
+	 */
+	if ((trap_cause & (1 << TRAP_CAUSE_DST_RANGE_ERR)) ||
+	    (trap_cause & (1 << TRAP_CAUSE_SRC1_RANGE_ERR)) ||
+	    (trap_cause & (1 << TRAP_CAUSE_I_RANGE_ERR))) {
+		sig = SIGSEGV;
+		info.si_code = SEGV_MAPERR;
+	} else if ((trap_cause & (1 << TRAP_CAUSE_DST_MISALIGNED)) ||
+		   (trap_cause & (1 << TRAP_CAUSE_SRC1_MISALIGNED))) {
+		sig = SIGBUS;
+		info.si_code = BUS_ADRALN;
+	} else if ((trap_cause & (1 << TRAP_CAUSE_DST_DECODE_ERR)) ||
+		   (trap_cause & (1 << TRAP_CAUSE_SRC1_DECODE_ERR))) {
+		sig = SIGILL;
+		info.si_code = ILL_ILLOPN;
+	} else if ((trap_cause & (1 << TRAP_CAUSE_ILLEGAL_INST))) {
+		/*
+		 * Check for software break point and if found signal trap
+		 * not illegal instruction.
+		 */
+		unsigned long instruction;
+		if (between(regs->pc, KERNELSTART, memory_end) &&
+			(regs->pc & 3) == 0 &&
+			get_user(instruction, (unsigned long *)regs->pc) == 0) {
+
+			/*
+			 * This used to be 0xaabbccdd but it turns out
+			 * that is now valid in ubicom32v4 isa so we
+			 * have switched to 0xfabbccdd
+			 */
+			if ((instruction == 0xfabbccdd) ||
+			    (instruction == 0xaabbccdd)) {
+				sig = SIGTRAP;
+				info.si_code = TRAP_BRKPT;
+				goto send_signal;
+			}
+		}
+		sig = SIGILL;
+		info.si_code = ILL_ILLOPC;
+	} else if ((trap_cause & (1 << TRAP_CAUSE_I_DECODE_ERR))) {
+		sig = SIGILL;
+		info.si_code = ILL_ILLOPC;
+	} else if ((trap_cause & (1 << TRAP_CAUSE_DCAPT))) {
+		sig = SIGTRAP;
+		info.si_code = TRAP_TRACE;
+	}
+
+	/*
+	 * Print a trap information block to the console, do not
+	 * print this above the case because we don't want it
+	 * printed for software break points.
+	 */
+	trap_print_information("User Trap", regs);
+
+send_signal:
+
+	force_sig_info(sig, &info, current);
+
+	/*
+	 * Interrupts are disabled, re-enable them now.
+	 */
+	if (!irqs_disabled()) {
+		printk(KERN_EMERG "interrupts enabled on exit, irq=%d, regs=%p",
+				irq, regs);
+		BUG();
+	}
+}
+
+/*
+ * trap_init_interrupt()
+ *	We need a 2nd trap handling init that will occur after init_IRQ().
+ */
+void __init trap_init_interrupt(void)
+{
+	int err;
+	unsigned char tirq;
+	struct devtree_node *dn = (struct devtree_node *)tn;
+
+	/*
+	 * Now setup the Software IRQ so that if a trap occurs the LDSR
+	 * is started.  The irq is there just to "force" the LDSR to run.
+	 */
+	if (!tn) {
+		printk(KERN_WARNING "trap_init_interrupt skipped.\n");
+		return;
+	}
+
+	err = devtree_irq(dn, NULL, &tirq);
+	if (err) {
+		printk(KERN_WARNING "error obtaining trap irq value: %d\n",
+			err);
+		return;
+	}
+
+	if (tirq == DEVTREE_IRQ_NONE) {
+		printk(KERN_WARNING "trap irq not available: %d\n", tirq);
+		return;
+	}
+
+	err = setup_irq(tirq, &trap_irq);
+	if (err) {
+		printk(KERN_WARNING "trap irq setup failed: %d\n", err);
+		return;
+	}
+
+	/*
+	 * Let ultra know which thread is handling the traps and
+	 * what the interrupt to use is.
+	 */
+	tn->intthread = ldsr_get_threadid();
+
+	/*
+	 * Tell the LDSR about our IRQ so that it will unsuspend
+	 * if one occurs while waiting for the per thread lock.
+	 */
+	ldsr_set_trap_irq(tirq);
+}
+
+/*
+ * trap_init()
+ *	init trap handling
+ *
+ * Trap handling is done through the ldsr.  Every time an interrupt
+ * occurs, the LDSR looks for threads that are listed in the TRAP
+ * register and forces a call to the trap handler.
+ */
+void __init trap_init(void)
+{
+	/*
+	 * If we do not have a trap node in the device tree, we leave the fault
+	 * handling to the underlying hardware.
+	 */
+	tn = (struct trapnode *)devtree_find_node("traps");
+	if (!tn) {
+		printk(KERN_WARNING "traps are not handled by linux\n");
+		return;
+	}
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/uaccess.c linux-2.6.30.10-ubi/arch/ubicom32/kernel/uaccess.c
--- linux-2.6.30.10/arch/ubicom32/kernel/uaccess.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/uaccess.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,109 @@
+/*
+ * arch/ubicom32/include/asm/uaccess.c
+ *   User space memory access functions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <linux/string.h>
+#include <linux/module.h>
+
+#include <asm/segment.h>
+#include <asm/uaccess.h>
+
+extern int _stext, _etext, _sdata, _edata, _sbss, _ebss, _end;
+
+/*
+ * __access_ok()
+ *	Check that the address is in the current processes.
+ *
+ * NOTE: The kernel uses "pretend" user addresses that wind
+ * up calling access_ok() so this approach has only marginal
+ * value because you wind up with lots of false positives.
+ */
+int __access_ok(unsigned long addr, unsigned long size)
+{
+	// struct vm_area_struct *vma;
+
+	/*
+	 * Don't do anything if we are not a running system yet.
+	 */
+	if (system_state != SYSTEM_RUNNING) {
+		return 1;
+	}
+
+	/*
+	 * It appears that Linux will call this function even when we are not
+	 * in the context of a user space application that has a VM address
+	 * space.  So we must check that current and mm are valid before
+	 * performing the check.
+	 */
+	if ((!current) || (!current->mm)) {
+		return 1;
+	}
+
+	/*
+	 * We perform some basic checks on the address to ensure that it
+	 * is at least within the range of DRAM.
+	 */
+	if ((addr < (int)&_etext) || (addr > memory_end)) {
+		printk(KERN_WARNING "pid=%d[%s]: range [%lx - %lx] not in memory area: [%lx - %lx]\n",
+			current->pid, current->comm,
+			addr, addr + size,
+			memory_start, memory_end);
+		return 0;
+	}
+
+	/*
+	 * For nommu Linux we can check this by looking at the allowed
+	 * memory map for the process.
+	 *
+	 * TODO: Since the kernel passes addresses in it's own space as though
+	 * they were user address, we can not validate the addresses this way.
+	 */
+#if 0
+	if (!down_read_trylock(&current->mm->mmap_sem)) {
+		return 1;
+	}
+	vma = find_vma(current->mm, addr);
+	if (!vma) {
+		up_read(&current->mm->mmap_sem);
+		printk(KERN_WARNING "pid=%d[%s]: possible invalid acesss on range: [%lx - %lx]\n",
+				current->pid, current->comm, addr, addr + size);
+		return 1;
+	}
+	if ((addr + size) > vma->vm_end) {
+		up_read(&current->mm->mmap_sem);
+		printk(KERN_WARNING "pid=%d[%s]: possible invalid length on range: [%lx - %lx]\n",
+				current->pid, current->comm, addr, addr + size);
+		return 1;
+	}
+	up_read(&current->mm->mmap_sem);
+#endif
+	return 1;
+}
+
+EXPORT_SYMBOL(__access_ok);
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/ubicom32_context_switch.S linux-2.6.30.10-ubi/arch/ubicom32/kernel/ubicom32_context_switch.S
--- linux-2.6.30.10/arch/ubicom32/kernel/ubicom32_context_switch.S	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/ubicom32_context_switch.S	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,359 @@
+/*
+ * arch/ubicom32/kernel/ubicom32_context_switch.S
+ *	Implements context switch and return functions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/sys.h>
+#include <linux/linkage.h>
+#include <asm/asm-offsets.h>
+#include <asm/ubicom32-common.h>
+#include <asm/ip5000.h>
+#include <asm/range-protect.h>
+
+/*
+ * begin_restore_context()
+ *	Restore most of the context from sp (struct pt_reg *)
+ *
+ * This *can* be called without the global atomic lock. (because sp is
+ * not restored!)  Only d15 and a3 are allowed to be used after this
+ * before calling complete_restore_context
+ */
+.macro begin_restore_context
+	move.4	d0, PT_D0(sp)
+	move.4	d1, PT_D1(sp)
+	move.4	d2, PT_D2(sp)
+	move.4	d3, PT_D3(sp)
+	move.4	d4, PT_D4(sp)
+	move.4	d5, PT_D5(sp)
+	move.4	d6, PT_D6(sp)
+	move.4	d7, PT_D7(sp)
+	move.4	d8, PT_D8(sp)
+	move.4	d9, PT_D9(sp)
+	move.4	d10, PT_D10(sp)
+	move.4	d11, PT_D11(sp)
+	move.4	d12, PT_D12(sp)
+	move.4	d13, PT_D13(sp)
+	move.4	d14, PT_D14(sp)
+;;	move.4	d15, PT_D15(sp)
+	move.4	a0, PT_A0(sp)
+	move.4	a1, PT_A1(sp)
+	move.4	a2, PT_A2(sp)
+;;	move.4	a3, PT_A3(sp)
+	move.4	a4, PT_A4(sp)
+	move.4	a5, PT_A5(sp)
+	move.4	a6, PT_A6(sp)
+	move.4	acc0_hi, PT_ACC0HI(sp)
+	move.4	acc0_lo, PT_ACC0LO(sp)
+	move.4	mac_rc16, PT_MAC_RC16(sp)
+	move.4	acc1_hi, PT_ACC1HI(sp)
+	move.4	acc1_lo, PT_ACC1LO(sp)
+	move.4	source3, PT_SOURCE3(sp)
+	move.4	int_mask0, PT_INT_MASK0(sp)
+	move.4	int_mask1, PT_INT_MASK1(sp)
+.endm
+
+/*
+ * complete_restore_context()
+ *	Completely restore the context from sp (struct pt_reg *)
+ *
+ * Note: Recovered PC and CSR are saved on the stack and are to be
+ * popped off before returning.
+ */
+.macro complete_restore_context
+	move.4	a3, sp
+	move.4	d15, PT_D15(sp)
+	move.4	sp, PT_SP(a3)		; Recover Stack pointer from save area
+	move.4	-4(sp)++, PT_PC(a3)	; Recover saved PC and save to stack
+	move.4	-4(sp)++, PT_CSR(a3)	; Recover saved csr and save to stack
+	move.4	a3, PT_A3(a3)
+.endm
+
+/*
+ * old restore_context macro
+ */
+.macro restore_context
+	begin_restore_context
+	complete_restore_context
+.endm
+
+/*
+ * ldsr_thread_enable_interrupts()
+ *	An assembly version of the enable interrupts function.
+ *
+ * The stack is fair game but all registers MUST be preserved.
+ *
+ */
+.macro ldsr_thread_enable_interrupts
+	move.4	-4(sp)++, d3	; Push d3
+	move.4	-4(sp)++, a3	; Push a3
+
+	/*
+	 * Read the ROSR and obtain ~(1 << tid)
+	 */
+	lsr.4	d3, rosr, #0x2	; Move the thread portion of ROSR into d3
+	lsl.4	d3, #1, d3	; perform a (1 << tid)
+	not.4	d3, d3		; Negate the value of d3 == ~(1 << threadid)
+
+	/*
+	 * Get the value of the ldsr_soft_irq_mask
+	 */
+	moveai	a3, #%hi(ldsr_soft_irq_mask)
+	move.4	a3, %lo(ldsr_soft_irq_mask)(a3)
+
+	/*
+	 * Now re-enable interrupts for this thread and then
+	 * wakeup the LDSR.
+	 */
+	and.4	scratchpad1, scratchpad1, d3
+	move.4	int_set0, a3
+
+	/*
+	 * Restore the registers.
+	 */
+	move.4	a3, (sp)4++
+	move.4	d3, (sp)4++
+.endm
+
+/*
+ * ret_from_interrupt_to_kernel()
+ *	RFI function that is where do_IRQ() returns to if the thread was
+ *	in kernel space.
+ */
+	.section .text.ret_from_interrupt_to_kernel, "ax", @progbits
+	.global ret_from_interrupt_to_kernel
+ret_from_interrupt_to_kernel:
+	begin_restore_context		; Restore the thread context
+	atomic_lock_acquire		; Enter critical section
+	complete_restore_context	; Restore the thread context
+	atomic_lock_release		; Leave critical section
+	ldsr_thread_enable_interrupts	; enable the threads interrupts
+	move.4	csr, (sp)4++		; Restore csr from the stack
+	ret	(sp)4++
+
+/*
+ * ret_from_interrupt_to_user()
+ *	RFI function that is where do_IRQ() returns to if the thread was
+ *	in user space.
+ *
+ * TODO: Do we really need the critical section handling in this code?
+ *
+ */
+	.section .text.ret_from_interrupt_to_user, "ax", @progbits
+	.global ret_from_interrupt_to_user
+ret_from_interrupt_to_user:
+	ldsr_thread_enable_interrupts			; enable the threads interrupts
+	/*
+	 * Set a1 to the thread info pointer, no need to save it as we are
+	 * restoring userspace and will never return
+	 */
+	movei	d0, #(~(ASM_THREAD_SIZE-1))
+	and.4	a1, sp, d0
+
+	/*
+	 * Test if the scheduler needs to be called.
+	 */
+	btst	TI_FLAGS(a1), #ASM_TIF_NEED_RESCHED
+	jmpeq.t	2f
+	call	a5, schedule			; Call the scheduler. I will come back here.
+
+	/*
+	 * See if we have pending signals and call do_signal
+	 * if needed.
+	 */
+2:
+	btst	TI_FLAGS(a1), #ASM_TIF_SIGPENDING	; Any signals needed?
+	jmpeq.t	1f
+
+	/*
+	 * Now call do_signal()
+	 */
+	move.4	d0, #0					; oldset pointer is NULL
+	move.4	d1, sp					; d1 is the regs pointer
+	call	a5, do_signal				; Call do_signal()
+
+	/*
+	 * Back from do_signal(), re-enter critical section.
+	 */
+1:
+	begin_restore_context				; Restore the thread context
+	atomic_lock_acquire				; Enter critical section
+	call a3, __complete_and_return_to_userspace	; jump to unprotected section
+
+/*
+ * restore_all_registers()
+ *
+ * restore_all_registers will be the alternate exit route for
+ * preempted processes that have called a signal handler
+ * and are returning back to user space.
+ */
+	.section .text.restore_all_registers, "ax", @progbits
+	.global restore_all_registers
+restore_all_registers:
+	begin_restore_context			; Restore the thread context
+	atomic_lock_acquire			; Enter critical section
+	call a3, __complete_and_return_to_userspace
+
+/*
+ * __complete_and_return_to_userspace
+ *
+ * restores the second half of the context and returns
+ * You must have the atomic lock when you call this function
+ */
+	.section .kernel_unprotected, "ax", @progbits
+__complete_and_return_to_userspace:
+	disable_kernel_ranges_for_current d15	; disable kernel ranges
+	complete_restore_context		; restore previous context
+	atomic_lock_release			; Leave critical section
+	move.4	csr, (sp)4++			; Restore csr from the stack
+	ret	(sp)4++
+
+/*
+ * ret_from_fork()
+ *	Called on the child's return from fork system call.
+ */
+	.section .text.ret_from_fork, "ax", @progbits
+	.global ret_from_fork
+ret_from_fork:
+	;;;  d0 contains the arg for schedule_tail
+	;;;  the others we don't care about as they are in PT_REGS (sp)
+	call   a5, schedule_tail
+
+	atomic_lock_acquire		; Enter critical section
+
+	move.4	a3, sp
+	move.4	d0, PT_D0(a3)		; Restore D0
+	move.4	d1, PT_D1(a3)		; Restore D1
+	move.4	d2, PT_D2(a3)		; Restore D2
+	move.4	d3, PT_D3(a3)		; Restore D3
+	move.4	d10, PT_D10(a3)		; Restore D10
+	move.4	d11, PT_D11(a3)		; Restore D11
+	move.4	d12, PT_D12(a3)		; Restore D12
+	move.4	d13, PT_D13(a3)		; Restore D13
+	move.4	a1, PT_A1(a3)		; Restore A1
+	move.4	a2, PT_A2(a3)		; Restore A2
+	move.4	a5, PT_A5(a3)		; Restore A5
+	move.4	a6, PT_A6(a3)		; Restore A6
+	;;  I think atomic_lock_acquire could be moved here..
+	move.4	sp, PT_SP(a3)		; Restore sp
+	move.4	a4, PT_PC(a3)		; Restore pc in register a4
+	move.4	PT_FRAME_TYPE(a3), #0	; Clear frame_type to indicate it is invalid.
+
+#ifdef CONFIG_PROTECT_KERNEL
+	call a3, __ret_from_fork_bottom_half
+	.section .kernel_unprotected, "ax", @progbits
+__ret_from_fork_bottom_half:
+	disable_kernel_ranges_for_current d15
+#endif
+	atomic_lock_release		; Leave critical section
+	calli	a4, 0(a4)		; Return.
+
+/*
+ * __switch_to()
+ *
+ * Call with:
+ *	void *__switch_to(struct task_struct *prev, struct thread_struct *prev_switch,
+ *				struct thread_struct *next_switch)
+ */
+	.section .text.__switch_to, "ax", @progbits
+	.global __switch_to
+__switch_to:
+
+	/*
+	 * Set up register a3 to point to save area.
+	 */
+	movea	a3, d1			; a3 now holds prev_switch
+	move.4	(a3)4++, d10
+	move.4	(a3)4++, d11
+	move.4	(a3)4++, d12
+	move.4	(a3)4++, d13
+	move.4	(a3)4++, a1
+	move.4	(a3)4++, a2
+	move.4	(a3)4++, a5
+	move.4	(a3)4++, a6
+	move.4	(a3)4++, a7
+
+	/*
+	 * Set up register a3 to point to restore area.
+	 */
+	movea	a3, d2			; a3 now holds next_switch
+	move.4	d10 , (a3)4++
+	move.4	d11 , (a3)4++
+	move.4	d12 , (a3)4++
+	move.4	d13 , (a3)4++
+	move.4	a1 , (a3)4++
+	move.4	a2 , (a3)4++
+	move.4	a5 , (a3)4++
+	move.4	a6 , (a3)4++
+	move.4	a7 , (a3)4++
+
+	/*
+	 * Load the sw_ksp with the proper thread_info pointer.
+	 */
+	movei	d15, #(~(ASM_THREAD_SIZE-1))
+	and.4	a3, sp, d15		; a3 now has the thread info pointer
+	moveai	a4, #%hi(sw_ksp)
+	lea.1	a4, %lo(sw_ksp)(a4)	; a4 now has the base address of sw_ksp array
+	lsr.4	d15, ROSR, #2		; Thread number - bit's 6 through 31 are zeroes anyway.
+	move.4	(a4, d15), a3		; Load the thread info pointer into the hw_ksp array..
+
+	/*
+	 * We are done with context switch. Time to return..
+	 */
+	calli	a5, 0(a5)
+	.size __switch_to, . - __switch_to
+
+/*
+ * ubicom32_emulate_insn()
+ *	Emulates the instruction.
+ *
+ * Call with:
+ *	unsigned int ubicom32_emulate_insn(int source1, int source2, int source3, int *save_acc, int *save_csr);
+ */
+	.section .text.ubicom32_emulate_insn, "ax", @progbits
+	.global ubicom32_emulate_insn
+	.global trap_emulate
+ubicom32_emulate_insn:
+	movea	a3, d3		; a3 holds save_acc pointer
+	movea	a4, d4		; a4 hods save_csr pointer
+	move.4	source3, d2
+	move.4	acc0_lo, (a3)
+	move.4	acc0_hi, 4(a3)
+	move.4	acc1_lo, 8(a3)
+	move.4	acc1_hi, 12(a3)
+	move.4	mac_rc16, 16(a3)
+	move.4	CSR, (a4)
+	setcsr_flush 0
+
+trap_emulate:
+	move.4	d0, d1
+	setcsr_flush 0
+	move.4	(a4), CSR	; Save csr
+	move.4	(a3), acc0_lo
+	move.4	4(a3), acc0_hi
+	move.4	8(a3), acc1_lo
+	move.4	12(a3), acc1_hi
+	move.4	16(a3), mac_rc16
+	ret	a5
+	.size ubicom32_emulate_insn, . - ubicom32_emulate_insn
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/ubicom32_ksyms.c linux-2.6.30.10-ubi/arch/ubicom32/kernel/ubicom32_ksyms.c
--- linux-2.6.30.10/arch/ubicom32/kernel/ubicom32_ksyms.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/ubicom32_ksyms.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,98 @@
+/*
+ * arch/ubicom32/kernel/ubicom32_ksyms.c
+ *   Ubicom32 architecture compiler support and misc symbols.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/module.h>
+#include <linux/linkage.h>
+#include <linux/sched.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/user.h>
+#include <linux/elfcore.h>
+#include <linux/in6.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/semaphore.h>
+
+#include <asm/setup.h>
+#include <asm/machdep.h>
+#include <asm/pgalloc.h>
+#include <asm/irq.h>
+#include <asm/checksum.h>
+#include <asm/current.h>
+
+/* platform dependent support */
+
+EXPORT_SYMBOL(__ioremap);
+EXPORT_SYMBOL(iounmap);
+
+EXPORT_SYMBOL(ip_fast_csum);
+
+
+/* Networking helper routines. */
+EXPORT_SYMBOL(csum_partial_copy_nocheck);
+
+/* The following are special because they're not called
+   explicitly (the C compiler generates them).  Fortunately,
+   their interface isn't gonna change any time soon now, so
+   it's OK to leave it out of version control.  */
+EXPORT_SYMBOL(memcpy);
+EXPORT_SYMBOL(memset);
+EXPORT_SYMBOL(memmove);
+
+#if (__GNUC__ == 4 && __GNUC_MINOR__ >= 4) || __GNUC__ > 4
+/*
+ * libgcc functions - functions that are used internally by the
+ * compiler...  (prototypes are not correct though, but that
+ * doesn't really matter since they're not versioned).
+ */
+extern void __ashldi3(void);
+extern void __ashrdi3(void);
+extern void __divsi3(void);
+extern void __divdi3(void);
+extern void __lshrdi3(void);
+extern void __modsi3(void);
+extern void __muldi3(void);
+extern void __udivsi3(void);
+extern void __umodsi3(void);
+
+/* gcc lib functions */
+EXPORT_SYMBOL(__ashldi3);
+EXPORT_SYMBOL(__ashrdi3);
+EXPORT_SYMBOL(__divsi3);
+EXPORT_SYMBOL(__divdi3);
+EXPORT_SYMBOL(__lshrdi3);
+EXPORT_SYMBOL(__modsi3);
+EXPORT_SYMBOL(__muldi3);
+EXPORT_SYMBOL(__udivsi3);
+EXPORT_SYMBOL(__umodsi3);
+#else
+extern void __libgcc_udivmodsi(void);
+extern void __libgcc_divmodsi(void);
+
+EXPORT_SYMBOL(__libgcc_udivmodsi);
+EXPORT_SYMBOL(__libgcc_divmodsi);
+#endif
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/ubicom32_syscall.S linux-2.6.30.10-ubi/arch/ubicom32/kernel/ubicom32_syscall.S
--- linux-2.6.30.10/arch/ubicom32/kernel/ubicom32_syscall.S	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/ubicom32_syscall.S	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,694 @@
+/*
+ * arch/ubicom32/kernel/ubicom32_syscall.S
+ *	<TODO: Replace with short file description>
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/sys.h>
+#include <linux/linkage.h>
+#include <linux/unistd.h>
+
+#include <asm/ubicom32-common.h>
+#include <asm/thread_info.h>
+#include <asm/asm-offsets.h>
+#include <asm/range-protect.h>
+
+/*
+ * __old_system_call()
+ */
+	.section .old_syscall_entry.text, "ax", @progbits
+#ifdef CONFIG_OLD_40400010_SYSTEM_CALL
+__old_system_call:
+	call a3, system_call
+	.size __old_system_call, . - __old_system_call ;
+#else
+	/*
+	 * something that will crash the userspace application, but
+	 * should not take down the kernel, if protection is enabled
+	 * this will never even get executed.
+	 */
+	.long	0xFABBCCDE			; illegal instruction
+	bkpt #-1				; we will never get here
+#endif
+
+/*
+ * system_call()
+ */
+	.section .syscall_entry.text, "ax", @progbits
+	.global system_call
+system_call:
+	/*
+	 * Regular ABI rules for function calls apply for syscall.  d8 holds
+	 * the syscall number. We will use that to index into the syscall table.
+	 * d0 - d5 hold the parameters.
+	 *
+	 * First we get the current thread_info and swap to the kernel stack.
+	 * This is done by reading the current thread and looking up the ksp
+	 * from the sw_ksp array and storing it in a3.
+	 *
+	 * Then we reserve space for the syscall context a struct pt_regs and
+	 * save it using a4 initially and later as sp.
+	 * Once sp is set to the kernel sp we can leave the critical section.
+	 *
+	 * For the user case the kernel stack will have the following layout.
+	 *
+	 *  a3		 ksp[0] +-----------------------+
+	 *			| Thread info area	|
+	 *			| struct thread_info	|
+	 *			+-----------------------+
+	 *			:			:
+	 *			|   Kernel Stack Area	|
+	 *			|			|
+	 *  a4 / sp >>>		+-----------------------+
+	 *			| Context save area	|
+	 *			| struct pt_reg		|
+	 *  ksp[THREAD_SIZE-8]  +-----------------------+
+	 *			| 8 Byte Buffer Zone	|
+	 *  ksp[THREAD_SIZE]    +-----------------------+
+
+	 *
+	 * For kernel syscalls the layout is as follows.
+	 *
+	 *  a3		 ksp[0] +-----------------------+
+	 *			| Thread info area	|
+	 *			| struct thread_info	|
+	 *			+-----------------------+
+	 *			:			:
+	 *			|   Kernel Stack Area	|
+	 *			|			|
+	 *  a4 / sp >>>		+-----------------------+
+	 *			| Context save area	|
+	 *			| struct pt_reg		|
+	 * sp at syscall entry  +-----------------------+
+	 *			| Callers Kernel Stack	|
+	 *			:			:
+	 *
+	 * Once the context is saved we optionally call syscall_trace and setup
+	 * the exit routine and jump to the syscall.
+	 */
+
+	/*
+	 * load the base address for sw_ksp into a3
+	 * Note.. we cannot access it just yet as protection is still on.
+	 */
+	moveai	a3, #%hi(sw_ksp)
+	lea.1	a3, %lo(sw_ksp)(a3)
+
+	/*
+	 * Enter critical section .
+	 *
+	 * The 'critical' aspects here are the switching the to the ksp and
+	 * changing the protection registers, these both use per thread
+	 * information so we need to protect from a context switch. For now this
+	 * is done using the global atomic lock.
+	 */
+	atomic_lock_acquire
+
+	thread_get_self d15			; Load current thread number
+#ifdef CONFIG_PROTECT_KERNEL
+	lsl.4	d9, #1, d15			; Convert to thread bit
+	enable_kernel_ranges d9
+#endif
+	/*
+	 * in order to reduce the size of code in the syscall section we get
+	 * out of it right now
+	 */
+	call a4, __system_call_bottom_half
+	.size system_call, . - system_call
+
+	.section .text.__system_call_bottom_half, "ax", @progbits
+__system_call_bottom_half:
+
+	/*
+	 * We need to Determine if this is a kernel syscall or user syscall.
+	 * Start by loading the pointer for the thread_info structure for the
+	 * current process in to a3.
+	 */
+	move.4	a3, (a3, d15)			; a3 = sw_ksp[d15]
+
+	/*
+	 * Now if this is a kernel thread the same value can be a acheived by
+	 * masking off the lower bits on the current stack pointer.
+	 */
+	movei	d9, #(~(ASM_THREAD_SIZE-1))	; load mask
+	and.4	d9, sp, d9			; apply mask
+
+	/*
+	 * d9 now has the masked version of the sp. If this is identical to
+	 * what is in a3 then don't switch to ksp as we are already in the
+	 * kernel.
+	 */
+	sub.4	#0, a3, d9
+
+	/*
+	 * if d9 and a3 are not equal. We are usespace and have to shift to
+	 * ksp.
+	 */
+	jmpne.t	1f
+
+	/*
+	 * Kernel Syscall.
+	 *
+	 * The kernel has called this routine. We have to pdec space for pt_regs
+	 * from sp.
+	 */
+	pdec	a4, PT_SIZE(sp)			; a4 = ksp - PT_SIZE
+	jmpt.t	2f
+
+	/*
+	 * Userspace Syscall.
+	 *
+	 * Add THREAD_SIZE and subtract PT_SIZE to create the proper ksp
+	 */
+1:	movei	d15, #(ASM_THREAD_SIZE - 8 - PT_SIZE)
+	lea.1	a4, (a3, d15)			; a4 = ksp + d15
+
+	/*
+	 * Replace user stack pointer with kernel stack pointer (a4)
+	 * Load -1 into frame_type in save area to indicate this is system call
+	 * frame.
+	 */
+2:	move.4	PT_A7(a4), a7			; Save old sp/A7 on kernel stack
+	move.4	PT_FRAME_TYPE(a4), #-1		; Set the frame type.
+	move.4	sp, a4				; Change to ksp.
+	/*
+	 * We are now officially back in the kernel!
+	 */
+
+	/*
+	 * Now that we are on the ksp we can leave the critical section
+	 */
+	atomic_lock_release
+
+	/*
+	 * We need to save a0 because we need to be able to restore it in
+	 * the event that we need to handle a signal.  It's not generally
+	 * a callee-saved register but is the GOT pointer.
+	 */
+	move.4	PT_A0(sp), a0			; Save A0 on kernel stack
+
+	/*
+	 * We still need to save d10-d13, a1, a2, a5, a6 in the kernel frame
+	 * for this process, we also save the system call params in the case of
+	 * syscall restart. (note a7 was saved above)
+	 */
+	move.4	PT_A1(sp), a1			; Save A1 on kernel stack
+	move.4	PT_A2(sp), a2			; Save A2 on kernel stack
+	move.4	PT_A5(sp), a5			; Save A5 on kernel stack
+	move.4	PT_A6(sp), a6			; Save A6 on kernel stack
+	move.4	PT_PC(sp), a5			; Save A5 at the PC location
+	move.4	PT_D10(sp), d10			; Save D10 on kernel stack
+	move.4	PT_D11(sp), d11			; Save D11 on kernel stack
+	move.4	PT_D12(sp), d12			; Save D12 on kernel stack
+	move.4	PT_D13(sp), d13			; Save D13 on kernel stack
+
+	/*
+	 * Now save the syscall parameters
+	 */
+	move.4	PT_D0(sp), d0			; Save d0 on kernel stack
+	move.4	PT_ORIGINAL_D0(sp), d0		; Save d0 on kernel stack
+	move.4	PT_D1(sp), d1			; Save d1 on kernel stack
+	move.4	PT_D2(sp), d2			; Save d2 on kernel stack
+	move.4	PT_D3(sp), d3			; Save d3 on kernel stack
+	move.4	PT_D4(sp), d4			; Save d4 on kernel stack
+	move.4	PT_D5(sp), d5			; Save d5 on kernel stack
+	move.4	PT_D8(sp), d8			; Save d8 on kernel stack
+
+	/*
+	 * Test if syscalls are being traced and if they are jump to syscall
+	 * trace (it will comeback here)
+	 */
+	btst	TI_FLAGS(a3), #ASM_TIF_SYSCALL_TRACE
+	jmpne.f .Lsystem_call__trace
+.Lsystem_call__trace_complete:
+	/*
+	 * Check for a valid call number [ 0 <= syscall_number < NR_syscalls ]
+	 */
+	cmpi	d8, #0
+	jmplt.f 3f
+	cmpi	d8, #NR_syscalls
+	jmplt.t	4f
+
+	/*
+	 * They have passed an invalid number. Call sys_ni_syscall staring by
+	 * load a4 with the base address of sys_ni_syscall
+	 */
+3:	moveai	a4, #%hi(sys_ni_syscall)
+	lea.1	a4, %lo(sys_ni_syscall)(a4)
+	jmpt.t	5f				; Jump to regular processing
+
+	/*
+	 * Validated syscall, load the syscall table base address into a3 and
+	 * read the syscall ptr out.
+	 */
+4:	moveai	a3, #%hi(sys_call_table)
+	lea.1	a3, %lo(sys_call_table)(a3)	; a3 = sys_call_table
+	move.4	a4, (a3, d8)			; a4 = sys_call_table[d8]
+
+	/*
+	 * Before calling the syscall, setup a5 so that syscall_exit is called
+	 * on return from syscall
+	 */
+5:	moveai	a5, #%hi(syscall_exit)		; Setup return address
+	lea.1	a5, %lo(syscall_exit)(a5)	; from system call
+
+	/*
+	 * If the syscall is __NR_rt_rigreturn then we have to test d1 to
+	 * figure out if we have to change change the return routine to restore
+	 * all registers.
+	 */
+	cmpi	d8, #__NR_rt_sigreturn
+	jmpeq.f	6f
+
+	/*
+	 * Launch system call (it will return through a5 - syscall_exit)
+	 */
+	calli	a3, 0(a4)
+
+	/*
+	 * System call is rt_sigreturn. Test d1. If it is 1 we have to
+	 * change the return address to restore_all_registers
+	 */
+6:	cmpi	d1, #1
+	jmpne.t	7f
+
+	moveai	a5, #%hi(restore_all_registers)	 ; Setup return address
+	lea.1	a5, %lo(restore_all_registers)(a5) ; to restore_all_registers.
+
+	/*
+	 * Launch system call  (it will return through a5)
+	 */
+7:	calli	a3, 0(a4)			 ; Launch system call
+
+.Lsystem_call__trace:
+	/*
+	 * Syscalls are being traced.
+	 * Call syscall_trace, (return here)
+	 */
+	call	a5, syscall_trace
+
+	/*
+	 * Restore syscall state (it would have been discarded during the
+	 * syscall trace)
+	 */
+	move.4	d0, PT_D0(sp)			; Restore d0 from kernel stack
+	move.4	d1, PT_D1(sp)			; Restore d1 from kernel stack
+	move.4	d2, PT_D2(sp)			; Restore d2 from kernel stack
+	move.4	d3, PT_D3(sp)			; Restore d3 from kernel stack
+	move.4	d4, PT_D4(sp)			; Restore d4 from kernel stack
+	move.4	d5, PT_D5(sp)			; Restore d5 from kernel stack
+	/* add this back if we ever have a syscall with 7 args */
+	move.4	d8, PT_D8(sp)			; Restore d8 from kernel stack
+
+	/*
+	 * return to syscall
+	 */
+	jmpt.t .Lsystem_call__trace_complete
+	.size __system_call_bottom_half, . - __system_call_bottom_half
+
+/*
+ * syscall_exit()
+ */
+	.section .text.syscall_exit
+	.global syscall_exit
+syscall_exit:
+	/*
+	 * d0 contains the return value. We should move that into the kernel
+	 * stack d0 location.  We will be transitioning from kernel to user
+	 * mode. Test the flags and see if we have to call schedule. If we are
+	 * going to truly exit then all that has to be done is that from the
+	 * kernel stack we have to restore d0, a0, a1, a2, a5, a6 and sp (a7)bb
+	 * and then return via a5.
+	 */
+
+	/*
+	 * Save d0 to pt_regs
+	 */
+	move.4	PT_D0(sp), d0			; Save d0 into the kernel stack
+
+	/*
+	 * load the thread_info structure by masking off the THREAD_SIZE
+	 * bits.
+	 *
+	 * Note: we used to push a1, but now we don't as we are going
+	 * to eventually restore it to the userspace a1.
+	 */
+	movei	d9, #(~(ASM_THREAD_SIZE-1))
+	and.4	a1, sp, d9
+
+	/*
+	 * Are any interesting bits set on TI flags, if there are jump
+	 * aside to post_processing.
+	 */
+	move.4	d9, #(_TIF_SYSCALL_TRACE | _TIF_NEED_RESCHED | _TIF_SIGPENDING)
+	and.4	#0, TI_FLAGS(a1), d9
+	jmpne.f	.Lsyscall_exit__post_processing ; jump to handler
+.Lsyscall_exit__post_processing_complete:
+
+	move.4	d0, PT_D0(sp)			; Restore D0 from kernel stack
+	move.4	d1, PT_D1(sp)			; Restore d1 from kernel stack
+	move.4	d2, PT_D2(sp)			; Restore d2 from kernel stack
+	move.4	d3, PT_D3(sp)			; Restore d3 from kernel stack
+	move.4	d4, PT_D4(sp)			; Restore d4 from kernel stack
+	move.4	d5, PT_D5(sp)			; Restore d5 from kernel stack
+	move.4	d8, PT_D8(sp)			; Restore d8 from kernel stack
+	move.4	d10, PT_D10(sp)			; Restore d10 from kernel stack
+	move.4	d11, PT_D11(sp)			; Restore d11 from kernel stack
+	move.4	d12, PT_D12(sp)			; Restore d12 from kernel stack
+	move.4	d13, PT_D13(sp)			; Restore d13 from kernel stack
+	move.4	a1, PT_A1(sp)			; Restore A1 from kernel stack
+	move.4	a2, PT_A2(sp)			; Restore A2 from kernel stack
+	move.4	a5, PT_A5(sp)			; Restore A5 from kernel stack
+	move.4	a6, PT_A6(sp)			; Restore A6 from kernel stack
+	move.4	a0, PT_A0(sp)			; Restore A6 from kernel stack
+
+	/*
+	 * this is only for debug, and could be removed for production builds
+	 */
+	move.4	PT_FRAME_TYPE(sp), #0		; invalidate frame_type
+
+#ifdef CONFIG_PROTECT_KERNEL
+
+	call a4, __syscall_exit_bottom_half
+
+	.section .kernel_unprotected, "ax", @progbits
+__syscall_exit_bottom_half:
+	/*
+	 * Enter critical section
+	 */
+	atomic_lock_acquire
+	disable_kernel_ranges_for_current d15
+#endif
+	/*
+	 * Lastly restore userspace stack ptr
+	 *
+	 * Note: that when protection is on we need to hold the lock around the
+	 * stack swap as well because otherwise the protection could get
+	 * inadvertently disabled again at the end of a context switch.
+	 */
+	move.4	a7, PT_A7(sp)			; Restore A7 from kernel stack
+
+	/*
+	 * We are now officially back in userspace!
+	 */
+
+#ifdef CONFIG_PROTECT_KERNEL
+	/*
+	 * Leave critical section and return to user space.
+	 */
+	atomic_lock_release
+#endif
+	calli	a5, 0(a5)			; Back to userspace code.
+
+	bkpt #-1				; we will never get here
+
+	/*
+	 * Post syscall processing. (unlikely part of syscall_exit)
+	 *
+	 * Are we tracing syscalls. If TIF_SYSCALL_TRACE is set, call
+	 * syscall_trace routine and return here.
+	 */
+	.section .text.syscall_exit, "ax", @progbits
+.Lsyscall_exit__post_processing:
+	btst	TI_FLAGS(a1), #ASM_TIF_SYSCALL_TRACE
+	jmpeq.t	1f
+	call	a5, syscall_trace
+
+	/*
+	 * Do we need to resched ie call schedule. If TIF_NEED_RESCHED is set,
+	 * call the scheduler, it will come back here.
+	 */
+1:	btst	TI_FLAGS(a1), #ASM_TIF_NEED_RESCHED
+	jmpeq.t	2f
+	call	a5, schedule
+
+	/*
+	 * Do we need to post a signal, if TIF_SIGPENDING is set call the
+	 * do_signal.
+	 */
+2:	btst	TI_FLAGS(a1), #ASM_TIF_SIGPENDING
+	jmpeq.t	.Lsyscall_exit__post_processing_complete
+
+	/*
+	 * setup the do signal call
+	 */
+	move.4	d0, #0				; oldset pointer is NULL
+	lea.1	d1, (sp)			; d1 is the regs pointer.
+	call	a5, do_signal
+
+	jmpt.t  .Lsyscall_exit__post_processing_complete
+
+/*	.size syscall_exit, . - syscall_exit */
+
+/*
+ * kernel_execve()
+ *	kernel_execv is called when we the kernel is starting a
+ *	userspace application.
+ */
+	.section .kernel_unprotected, "ax", @progbits
+	.global kernel_execve
+kernel_execve:
+	move.4	-4(sp)++, a5			; Save return address
+	/*
+	 * Call execve
+	 */
+	movei	d8, #__NR_execve		; call execve
+	call	a5, system_call
+	move.4	a5, (sp)4++
+
+	/*
+	 * protection was enabled again at syscall exit, but we want
+	 * to return to kernel so we enable it again.
+	 */
+#ifdef CONFIG_PROTECT_KERNEL
+	/*
+	 * We are entering the kernel so we need to disable the protection.
+	 * Enter critical section, disable ranges and leave critical section.
+	 */
+	call a3, __enable_kernel_ranges ;  and jump back to kernel
+#else
+	ret a5					; jump back to the kernel
+#endif
+
+	.size kernel_execve, . - kernel_execve
+
+/*
+ * signal_trampoline()
+ *
+ *	Deals with transitioning from to userspace signal handlers and returning
+ *	to userspace, only called from the kernel.
+ *
+ */
+	.section .kernel_unprotected, "ax", @progbits
+	.global signal_trampoline
+signal_trampoline:
+	/*
+	 * signal_trampoline is called when we are jumping from the kernel to
+	 * the userspace signal handler.
+	 *
+	 * The following registers are relevant. (set setup_rt_frame)
+	 *   sp is the user space stack not the kernel stack
+	 *  d0 = signal number
+	 *  d1 = siginfo_t *
+	 *  d2 = ucontext *
+	 *  d3 = the user space signal handler
+	 *  a0 is set to the GOT if userspace application is FDPIC, otherwise 0
+	 *  a3 is set to the FD for the signal if userspace application is FDPIC
+	 */
+#ifdef CONFIG_PROTECT_KERNEL
+	/*
+	 * We are leaving the kernel so we need to enable the protection.
+	 * Enter critical section, disable ranges and leave critical section.
+	 */
+	atomic_lock_acquire			; Enter critical section
+	disable_kernel_ranges_for_current d15	; disable kernel ranges
+	atomic_lock_release			; Leave critical section
+#endif
+	/*
+	 * The signal handler pointer is in register d3 so tranfer it to a4 and
+	 * call it
+	 */
+	movea	a4, d3				; signal handler
+	calli	a5, 0(a4)
+
+	/*
+	 * Return to userspace through rt_syscall which is stored on top of the
+	 * stack d1 contains ret_via_interrupt status.
+	 */
+	move.4	d8, (sp)			; d8 (syscall #) = rt_syscall
+	move.4	d1, 4(sp)			; d1 = ret_via_interrupt
+	call	a5, system_call		; as we are 'in' the kernel
+						; we can call kernel_syscall
+
+	bkpt #-1				; will never get here.
+	.size signal_trampoline, . - signal_trampoline
+
+/*
+ * kernel_thread_helper()
+ *
+ *	Entry point for kernel threads (only referenced by kernel_thread()).
+ *
+ *	On execution d0 will be 0, d1 will be the argument to be passed to the
+ *	kernel function.
+ *	d2 contains the kernel function that needs to get called.
+ *	d3 will contain address to do_exit which needs to get moved into a5.
+ *
+ *	On return from fork the child thread d0 will be 0. We call this dummy
+ *	function which in turn loads the argument
+ */
+	.section .kernel_unprotected, "ax", @progbits
+	.global kernel_thread_helper
+kernel_thread_helper:
+	/*
+	 * Create a kernel thread. This is called from ret_from_vfork (a
+	 * userspace return routine) so we need to put it in an unprotected
+	 * section and re-enable protection before calling the vector in d2.
+	 */
+
+#ifdef CONFIG_PROTECT_KERNEL
+	/*
+	 * We are entering the kernel so we need to disable the protection.
+	 * Enter critical section, disable ranges and leave critical section.
+	 */
+	call a5, __enable_kernel_ranges
+#endif
+	/*
+	 * Move argument for kernel function into d0, and set a5 return address
+	 * (a5) to do_exit and return through a2
+	 */
+	move.4  d0, d1				; d0 = arg
+	move.4  a5, d3				; a5 = do_exit
+	ret	d2				; call function ptr in d2
+	.size kernel_thread_helper, . - kernel_thread_helper
+
+#ifdef CONFIG_PROTECT_KERNEL
+	.section .kernel_unprotected, "ax", @progbits
+__enable_kernel_ranges:
+	atomic_lock_acquire			; Enter critical section
+	enable_kernel_ranges_for_current d15
+	atomic_lock_release			; Leave critical section
+	calli a5, 0(a5)
+	.size __enable_kernel_ranges, . - __enable_kernel_ranges
+
+#endif
+
+/*
+ * The following system call intercept functions where we setup the
+ * input to the real system call.  In all cases these are just taking
+ * the current sp which is pointing to pt_regs and pushing it into the
+ * last arg of the system call.
+ *
+ * i.e. the public definition of sys_execv is
+ *	sys_execve(	char *name,
+ *			char **argv,
+ *			char **envp )
+ * but process.c defines it as
+ *	sys_execve(	char *name,
+ *			char **argv,
+ *			char **envp,
+ *			struct pt_regs *regs )
+ *
+ * so execve_intercept needs to populate the 4th arg with pt_regs*,
+ * which is the stack pointer as we know we must be coming out of
+ * system_call
+ *
+ * The intercept vectors are referenced by syscalltable.S
+ */
+
+/*
+ * execve_intercept()
+ */
+	.section .text.execve_intercept, "ax", @progbits
+	.global execve_intercept
+execve_intercept:
+	move.4	d3, sp	; Save pt_regs address
+	call	a3, sys_execve
+
+	.size execve_intercept, . - execve_intercept
+
+/*
+ * vfork_intercept()
+ */
+	.section .text.vfork_intercept, "ax", @progbits
+	.global vfork_intercept
+vfork_intercept:
+	move.4	d0, sp	; Save pt_regs address
+	call	a3, sys_vfork
+
+	.size vfork_intercept, . - vfork_intercept
+
+/*
+ * clone_intercept()
+ */
+	.section .text.clone_intercept, "ax", @progbits
+	.global clone_intercept
+clone_intercept:
+	move.4	d2, sp	; Save pt_regs address
+	call	a3, sys_clone
+
+	.size clone_intercept, . - clone_intercept
+
+/*
+ * sys_sigsuspend()
+ */
+	.section .text.sigclone_intercept, "ax", @progbits
+	.global sys_sigsuspend
+sys_sigsuspend:
+	move.4	d0, sp	; Pass pointer to pt_regs in d0
+	call	a3, do_sigsuspend
+
+	.size sys_sigsuspend, . - sys_sigsuspend
+
+/*
+ * sys_rt_sigsuspend()
+ */
+	.section .text.sys_rt_sigsuspend, "ax", @progbits
+	.global sys_rt_sigsuspend
+sys_rt_sigsuspend:
+	move.4	d0, sp	; Pass pointer to pt_regs in d0
+	call	a3, do_rt_sigsuspend
+
+	.size sys_rt_sigsuspend, . - sys_rt_sigsuspend
+
+/*
+ * sys_rt_sigreturn()
+ */
+	.section .text.sys_rt_sigreturn, "ax", @progbits
+	.global sys_rt_sigreturn
+sys_rt_sigreturn:
+	move.4	d0, sp	; Pass pointer to pt_regs in d0
+	call	a3, do_rt_sigreturn
+
+	.size sys_rt_sigreturn, . - sys_rt_sigreturn
+
+/*
+ * sys_sigaltstack()
+ */
+	.section .text.sys_sigaltstack, "ax", @progbits
+	.global sys_sigaltstack
+sys_sigaltstack:
+	move.4	d0, sp	; Pass pointer to pt_regs in d0
+	call	a3, do_sys_sigaltstack
+
+	.size sys_sigaltstack, . - sys_sigaltstack
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/unaligned_trap.c linux-2.6.30.10-ubi/arch/ubicom32/kernel/unaligned_trap.c
--- linux-2.6.30.10/arch/ubicom32/kernel/unaligned_trap.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/unaligned_trap.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,698 @@
+/*
+ * arch/ubicom32/kernel/unaligned_trap.c
+ *   Handle unaligned traps in both user or kernel space.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <asm/cacheflush.h>
+#include <asm/traps.h>
+
+#define FALSE 0
+#define TRUE 1
+
+/* no possible trap */
+#define UNUSED 0
+/* possible source operand trap */
+#define SRC 1
+#define SRC_2 2
+/* possible destination operand trap */
+#define DEST 3
+#define DEST_2 4
+/* can be either source or destination or both */
+#define TWO_OP 5
+#define TWO_OP_2 6
+
+/* TODO: What is the real value here, put something in to make it compile for
+ * now */
+#define MOVE_2	0x0d
+#define LSL_2	0x11
+#define LSR_2	0x13
+#define MOVEI	0x19
+#define CMPI	0x18
+
+static int op_format[32] =
+{
+	TWO_OP,		/* 0x00 */
+	UNUSED,
+	SRC,
+	UNUSED,
+	TWO_OP,		/* 0x04 */
+	TWO_OP,
+	SRC,
+	UNUSED,
+	TWO_OP_2,	/* 0x08 */
+	TWO_OP,
+	TWO_OP_2,
+	TWO_OP,
+	TWO_OP_2,	/* 0x0C */
+	TWO_OP,
+	TWO_OP_2,
+	TWO_OP,
+	TWO_OP,		/* 0x10 */
+	TWO_OP_2,
+	TWO_OP,
+	TWO_OP,
+	UNUSED,		/* 0x14 */
+	UNUSED,
+	UNUSED,
+	UNUSED,
+	SRC_2,		/* 0x18 */
+	DEST_2,
+	UNUSED,
+	UNUSED,
+	UNUSED,		/* 0x1C */
+	UNUSED,
+	UNUSED,		/* unaligned CALLI will not be fixed. */
+	UNUSED
+};
+
+static int op_0_format[32] =
+{
+	UNUSED,		/* 0x00 */
+	UNUSED,
+	UNUSED,
+	UNUSED,
+	UNUSED,		/* 0x04 - ret don't fix - bad ret is always wrong */
+	UNUSED,
+	UNUSED,
+	UNUSED,
+	UNUSED,		/* 0x08 */
+	UNUSED,
+	TWO_OP,
+	TWO_OP_2,
+	TWO_OP,		/* 0x0c */
+	TWO_OP_2,
+	TWO_OP,
+	UNUSED,		/* .1 can't trap */
+	UNUSED,		/* 0x10 */
+	UNUSED,
+	SRC,
+	UNUSED,
+	UNUSED,		/* 0x14 */
+	TWO_OP_2,
+	UNUSED,
+	UNUSED,
+	UNUSED,		/* 0x18 */
+	UNUSED,
+	UNUSED,
+	UNUSED,
+	DEST,		/* 0x1c */
+	DEST,
+	DEST,
+	DEST,		/* all lea have 32-bit destination */
+};
+
+static int op_2_format[32] =
+{
+	UNUSED,		/* 0x00 */
+	UNUSED,
+	UNUSED,
+	UNUSED,
+	UNUSED,		/* 0x04 */
+	UNUSED,
+	SRC,
+	UNUSED,
+	UNUSED,		/* 0x08 crcgen is .1 */
+	UNUSED,
+	UNUSED,
+	UNUSED,
+	UNUSED,		/* 0x0c */
+	UNUSED,
+	UNUSED,
+	UNUSED,
+	SRC,		/* 0x10 */
+	SRC_2,
+	SRC,
+	SRC_2,
+	SRC,		/* 0x14 */
+	SRC_2,
+	SRC,
+	UNUSED,
+	UNUSED,		/* 0x18 */
+	UNUSED,
+	SRC,
+	UNUSED,
+	SRC,		/* 0x1c */
+	UNUSED,
+	SRC_2,
+	UNUSED,
+};
+
+static int op_6_format[32] =
+{
+	SRC_2,		/* 0x00 */
+	SRC_2,
+	SRC_2,
+	SRC_2,
+	SRC_2,		/* 0x04 */
+	SRC_2,
+	UNUSED,
+	SRC_2,
+	SRC,		/* 0x08 MULS.4 */
+	SRC_2,
+	SRC,
+	UNUSED,
+	UNUSED,		/* 0x0c */
+	UNUSED,
+	UNUSED,
+	UNUSED,
+	SRC,		/* 0x10 */
+	SRC_2,
+	SRC,
+	SRC_2,
+	UNUSED,		/* 0x14 */
+	UNUSED,
+	UNUSED,
+	UNUSED,
+	UNUSED,		/* 0x18 */
+	UNUSED,
+	UNUSED,
+	UNUSED,
+	UNUSED,		/* 0x1c */
+	UNUSED,
+	UNUSED,
+	UNUSED,
+};
+
+/*
+ * unaligned_get_address()
+ *	get an address using save_an and save_dn registers, and updates save_an
+ *	with side effects
+ */
+unsigned char *unaligned_get_address(int thread, int specifier, int four_byte,
+				     unsigned int save_an[],
+				     unsigned int save_dn[], int *write_back_an)
+{
+	unsigned char *address;
+
+	int areg = (specifier >> 5) & 7;
+	if ((specifier >> 8) == 2) {
+		int offset = specifier & 0xf;
+		offset = ((offset << 28) >> 28);
+		if (likely(four_byte)) {
+			offset <<= 2;
+		} else {
+			offset <<= 1;
+		}
+		if (specifier & 0x10) {
+			address = (unsigned char *)(save_an[areg] + offset);
+		} else {
+			address = (unsigned char *)save_an[areg];
+		}
+		save_an[areg] = save_an[areg] + offset;
+
+		/*
+		 * Let caller know An registers have been modified.
+		 */
+		*write_back_an = 1;
+	} else if ((specifier >> 8) == 3) {
+		int dreg = specifier & 0xf;
+		if (likely(four_byte)) {
+			address = (unsigned char *)(save_an[areg] +
+						    (save_dn[dreg] << 2));
+		} else {
+			address = (unsigned char *)(save_an[areg] +
+						    (save_dn[dreg] << 1));
+		}
+	} else {
+		int offset = ((specifier >> 3) & 0x60) | (specifier & 0x1f);
+		if (likely(four_byte)) {
+			address = (unsigned char *)(save_an[areg] +
+						    (offset << 2));
+		} else {
+			address = (unsigned char *)(save_an[areg] +
+						    (offset << 1));
+		}
+	}
+
+	return address;
+}
+
+static	int save_dn[16];
+static	int save_an[8];
+static	int save_acc[5];
+
+/*
+ * unaligned_emulate()
+ *	emulate the instruction at thread's pc that has taken an unaligned data
+ *	trap.
+ *
+ * source or destination or both might be unaligned
+ * the instruction must have a memory source or destination or both
+ * the emulated instruction is copied and executed in this thread
+ *
+ *	TODO: Protection is handled outside of this function
+ *	TODO: handling simultaneous unaligned and memory protection traps
+ *
+ *	Get thread state
+ *		the PC and instruction (and local copy, emulate_inst), and An
+ *		and Dn registers
+ *		All implicit soruce state (source3, CSR, accumulators)
+
+ *	if the instruction has a memory source
+ *		Use the instruction, An and Dn registers to form src_address
+ *		get unaligned source data from src_address (usually sign
+ *		extended)
+ *			(2 bytes, with or without sign extension, or 4 bytes)
+ *		modify emulate_inst to use d0 as source
+ *	else
+ *		get the soure operand from one of thread's registers
+ *	if instruction has a memory destination
+ *		Use the instruction, An and Dn registers to form dest_address
+ *		modify emulate_inst to use d0 as destination
+ *	if there was a memory source
+ *		put the source data in thread's d0
+ *	get the source-2 Dn operand and source 3 operand from thread
+ *	execute modified inst
+ *		(save it, flush caches, set up local values for implicit
+ *		sources, execute, save explicit and implicit results)
+ *	if inst has destination address
+ *		copy result to dest_address, possibly unaligned, 1, 2, or 4
+ *		bytes
+ *	restore thread's implicit results (modified address registers, CSR,
+ *	accumulators) add 4 to thread's pc
+ */
+void unaligned_emulate(unsigned int thread)
+{
+	unsigned int pc;
+	unsigned int inst;
+	unsigned int op;
+	unsigned int subop;
+	int format;
+	unsigned int emulate_inst;
+	int four_byte;
+	int src_operand, dest_operand;
+	int save_csr;
+	int source3;
+	unsigned int source1;
+	unsigned int source_data;
+	unsigned char *dest_address = NULL;
+	int source2 = 0;
+	unsigned int result;
+	unsigned int write_back_an = 0;
+	unsigned int chip_id_copy;
+
+	extern unsigned int trap_emulate;
+	extern unsigned int ubicom32_emulate_insn(int source1, int source2,
+						  int source3, int *save_acc,
+						  int *save_csr);
+
+	/*
+	 * get the chip_id
+	 */
+	asm volatile (
+	"	move.4		%0, chip_id		\n\t" /* get chip_id. */
+		: "=r"(chip_id_copy)
+		:
+	);
+
+	/*
+	 * get the pc
+	 */
+	asm volatile (
+	"	move.4		CSR, %1		\n\t" /* set source thread in
+						       * CSR */
+	"	setcsr_flush	0		\n\t"
+	"	move.4		%0, pc		\n\t"
+	"	move.4		CSR, #0		\n\t" /* restore CSR */
+	"	setcsr_flush	0		\n\t"
+		: "=a"(pc)
+		: "d" ((1 << 8) | (thread << 9))
+		: "cc"
+	);
+
+	inst = *((unsigned int *)pc);
+	op = inst >> 27;
+	if (unlikely(op == 2 || op == 6)) {
+		subop = (inst >> 21) & 0x1f;
+	} else {
+		subop = (inst >> 11) & 0x1f;
+	}
+	format = op_format[op];
+	emulate_inst = inst;
+
+	if (op == 0) {
+		format = op_0_format[subop];
+	} else if (op == 2) {
+		format = op_2_format[subop];
+	} else if (op == 6) {
+		format = op_6_format[subop];
+	}
+
+	if (unlikely(format == UNUSED)) {
+		/*
+		 * We are not going to emulate this. Bump PC by 4 and move on.
+		 */
+		asm volatile (
+		"	move.4		CSR, %0			\n\t"
+		"	setcsr_flush	0			\n\t"
+		"	move.4		pc, %1			\n\t"
+		"	setcsr		#0			\n\t"
+		"	setcsr_flush	0			\n\t"
+			:
+			: "d"((1 << 14) | (thread << 15)), "d"(pc + 4)
+			: "cc"
+		);
+		return;
+	}
+
+	four_byte = (format == TWO_OP || format == DEST || format == SRC);
+
+	/*
+	 * source or destination memory operand needs emulation
+	 */
+	src_operand = (format == SRC ||
+		       format == SRC_2 ||
+		       format == TWO_OP ||
+		       format == TWO_OP_2) &&
+		((inst >> 8) & 7) > 1;
+
+	dest_operand = (format == DEST ||
+			format == DEST_2 ||
+			format == TWO_OP ||
+			format == TWO_OP_2) &&
+		((inst >> 24) & 7) > 1;
+
+	/*
+	 * get thread's implicit sources (not covered by source context select).
+	 * data and address registers and CSR (for flag bits) and src3 and
+	 * accumulators
+	 */
+	asm volatile (
+	"	move.4		CSR, %2		\n\t"	/* set source thread in
+							 * CSR */
+	"	setcsr_flush	0		\n\t"
+	"	move.4		(%3), d0	\n\t"	/* get dn registers */
+	"	move.4		4(%3), d1	\n\t"
+	"	move.4		8(%3), d2	\n\t"
+	"	move.4		12(%3), d3	\n\t"
+	"	move.4		16(%3), d4	\n\t"
+	"	move.4		20(%3), d5	\n\t"
+	"	move.4		24(%3), d6	\n\t"
+	"	move.4		28(%3), d7	\n\t"
+	"	move.4		32(%3), d8	\n\t"
+	"	move.4		36(%3), d9	\n\t"
+	"	move.4		40(%3), d10	\n\t"
+	"	move.4		44(%3), d11	\n\t"
+	"	move.4		48(%3), d12	\n\t"
+	"	move.4		52(%3), d13	\n\t"
+	"	move.4		56(%3), d14	\n\t"
+	"	move.4		60(%3), d15	\n\t"
+	"	move.4		(%4), a0	\n\t"	/* get an registers */
+	"	move.4		4(%4), a1	\n\t"
+	"	move.4		8(%4), a2	\n\t"
+	"	move.4		12(%4), a3	\n\t"
+	"	move.4		16(%4), a4	\n\t"
+	"	move.4		20(%4), a5	\n\t"
+	"	move.4		24(%4), a6	\n\t"
+	"	move.4		28(%4), a7	\n\t"
+	"	move.4		%0, CSR		\n\t"	/* get csr and source3
+							 * implicit operands */
+	"	move.4		%1, source3	\n\t"
+	"	move.4		(%5), acc0_lo	\n\t"	/* get accumulators */
+	"	move.4		4(%5), acc0_hi	\n\t"
+	"	move.4		8(%5), acc1_lo	\n\t"
+	"	move.4		12(%5), acc1_hi	\n\t"
+	"	move.4		16(%5), mac_rc16	\n\t"
+	"	move.4		CSR, #0		\n\t"	/* restore CSR */
+	"	setcsr_flush	0		\n\t"
+		: "=m"(save_csr), "=m"(source3)
+		: "d"((1 << 8) | (thread << 9)),
+		  "a"(save_dn), "a"(save_an), "a"(save_acc)
+		: "cc"
+	);
+
+	/*
+	 * turn off thread select bits if they were on
+	 */
+	BUG_ON((save_csr & 0x04100) != 0);
+	if (unlikely(save_csr & 0x04100)) {
+		/*
+		 * Things are in funny state as thread select bits are on in
+		 * csr. PANIC.
+		 */
+		panic("In unaligned trap handler. Trap thread CSR has thread "
+		      "select bits on.\n");
+	}
+
+	save_csr = save_csr & 0x1000ff;
+
+	/*
+	 * get the source1 operand
+	 */
+	source1 = 0;
+	if (src_operand) {
+		unsigned char *src_address;
+
+		/*
+		 * source1 comes from memory
+		 */
+		BUG_ON(!(format == TWO_OP || format == TWO_OP_2 ||
+			 format == SRC || format == SRC_2));
+		src_address = unaligned_get_address(thread, inst & 0x7ff,
+						    four_byte, save_an,
+						    save_dn, &write_back_an);
+
+		/*
+		 * get data (possibly unaligned)
+		 */
+		if (likely(four_byte)) {
+			source_data = (*src_address << 24) |
+				(*(src_address + 1) << 16) |
+				(*(src_address + 2) << 8) |
+				*(src_address + 3);
+			source1 = source_data;
+		} else {
+			source1 = *src_address << 8 |
+				*(src_address + 1);
+
+			/*
+			 * Source is not extended if the instrution is MOVE.2 or
+			 * if the cpu CHIP_ID >= 0x30000 and the instruction is
+			 * either LSL.2 or LSR.2.  All other cases have to be
+			 * sign extended.
+			 */
+			if ((!(op == 2 && subop == MOVE_2)) &&
+			    (!((chip_id_copy >= 0x30000) &&
+			       (subop == LSL_2 || subop == LSR_2)))) {
+				/*
+				 * Have to sign extend the .2 entry.
+				 */
+				source1 = ((unsigned int)
+					   ((signed int)
+					    ((signed short) source1)));
+			}
+		}
+	} else if (likely(op != MOVEI)) {
+		/*
+		 * source1 comes from a register, using move.4 d0, src1
+		 * unaligned_emulate_get_source is pointer to code to insert remulated instruction
+		 */
+		extern unsigned int unaligned_emulate_get_src;
+		*((int *)&unaligned_emulate_get_src) &= ~(0x7ff);
+		*((int *)&unaligned_emulate_get_src) |= (inst & 0x7ff);
+		flush_dcache_range((unsigned long)(&unaligned_emulate_get_src),
+				   (unsigned long)(&unaligned_emulate_get_src) + 4);
+
+		asm volatile (
+			/* source1 uses thread's registers */
+		"	move.4		CSR, %1			\n\t"
+		"	setcsr_flush 0				\n\t"
+		"unaligned_emulate_get_src:			\n\t"
+		"	move.4	%0, #0				\n\t"
+		"	setcsr		#0			\n\t"
+		"	setcsr_flush	0			\n\t"
+			: "=d" (source1)
+			: "d" ((1 << 8) | (thread << 9))
+			: "cc"
+		);
+	}
+
+	/*
+	 * get the destination address
+	 */
+	if (dest_operand) {
+		BUG_ON(!(format == TWO_OP || format == TWO_OP_2 ||
+			 format == DEST || format == DEST_2));
+		dest_address = unaligned_get_address(thread,
+						     ((inst >> 16) & 0x7ff),
+						     four_byte, save_an,
+						     save_dn, &write_back_an);
+	}
+
+	if (write_back_an) {
+		/*
+		 * restore any modified An registers
+		 */
+		asm volatile (
+		"	move.4		CSR, %0			\n\t"
+		"	setcsr_flush	0			\n\t"
+		"	move.4		a0, (%1)		\n\t"
+		"	move.4		a1, 4(%1)		\n\t"
+		"	move.4		a2, 8(%1)		\n\t"
+		"	move.4		a3, 12(%1)		\n\t"
+		"	move.4		a4, 16(%1)		\n\t"
+		"	move.4		a5, 20(%1)		\n\t"
+		"	move.4		a6, 24(%1)		\n\t"
+		"	move.4		a7, 28(%1)		\n\t"
+		"	setcsr		#0			\n\t"
+		"	setcsr_flush	0			\n\t"
+			:
+			: "d" ((1 << 14) | (thread << 15)), "a" (save_an)
+			: "cc"
+		);
+	}
+
+	/*
+	 * get source 2 register if needed, and modify inst to use d1 for
+	 * source-2 source-2 will come from this thread, not the trapping thread
+	 */
+	source2 = 0;
+	if ((op >= 8 && op <= 0x17) ||
+	    ((op == 2 || op == 6) && (inst & 0x4000000))) {
+		int src_dn = (inst >> 11) & 0xf;
+		source2 = save_dn[src_dn];
+		/*
+		 * force the emulated instruction to use d1 for source2 operand
+		 */
+		emulate_inst = (emulate_inst & 0xffff07ff) | 0x800;
+	}
+
+	if (likely(op != MOVEI)) {
+		/*
+		 * change emulated instruction source1 to d0
+		 */
+		emulate_inst &= ~0x7ff;
+		emulate_inst |= 1 << 8;
+	}
+
+	if (unlikely(op == 6 || op == 2)) {
+		/*
+		 * Set destination to d0
+		 */
+		emulate_inst &= ~(0xf << 16);
+	} else if (likely(op != CMPI)) {
+		/*
+		 * Set general destination field to d0.
+		 */
+		emulate_inst &= ~(0x7ff << 16);
+		emulate_inst |= 1 << 24;
+	}
+
+	/*
+	 * execute emulated instruction d0, to d0, no memory access
+	 * source2 if needed will be in d1
+	 * source3, CSR, and accumulators are set up before execution
+	 */
+	*((unsigned int *)&trap_emulate) = emulate_inst;
+	flush_dcache_range((unsigned long)(&trap_emulate),
+			   (unsigned long)(&trap_emulate) + 4);
+
+	result = ubicom32_emulate_insn(source1, source2, source3,
+				       save_acc, &save_csr);
+
+	/*
+	 * set the result value
+	 */
+	if (dest_operand) {
+		/*
+		 * copy result to memory
+		 */
+		if (four_byte) {
+			*dest_address++ =
+				(unsigned char)((result >> 24) & 0xff);
+			*dest_address++ =
+				(unsigned char)((result >> 16) & 0xff);
+		}
+		*dest_address++ = (unsigned char)((result >> 8) & 0xff);
+		*dest_address = (unsigned char)(result & 0xff);
+	} else if (likely(op != CMPI)) {
+		/*
+		 * copy result to a register, using move.4 dest, result
+		 */
+		extern unsigned int unaligned_trap_set_result;
+		*((unsigned int *)&unaligned_trap_set_result) &= ~0x7ff0000;
+
+		if (op == 2 || op == 6) {
+			*((unsigned int *)&unaligned_trap_set_result) |=
+				((inst & 0x000f0000) | 0x01000000);
+		} else {
+			*((unsigned int *)&unaligned_trap_set_result) |=
+				(inst & 0x7ff0000);
+		}
+		flush_dcache_range((unsigned long)&unaligned_trap_set_result,
+				   ((unsigned long)(&unaligned_trap_set_result) + 4));
+
+		asm volatile (
+			/* result uses thread's registers */
+		"	move.4		CSR, %1			\n\t"
+		"	setcsr_flush 0				\n\t"
+		"unaligned_trap_set_result:			\n\t"
+		"	move.4 #0, %0				\n\t"
+		"	setcsr		#0			\n\t"
+		"	setcsr_flush	0			\n\t"
+			:
+			: "d"(result), "d" ((1 << 14) | (thread << 15))
+			: "cc"
+		);
+	}
+
+	/*
+	 * bump PC in thread and restore implicit register changes
+	 */
+	asm volatile (
+	"	move.4		CSR, %0			\n\t"
+	"	setcsr_flush	0			\n\t"
+	"	move.4		pc, %1			\n\t"
+	"	move.4		acc0_lo, (%3)		\n\t"
+	"	move.4		acc0_hi, 4(%3)		\n\t"
+	"	move.4		acc1_lo, 8(%3)		\n\t"
+	"	move.4		acc1_hi, 12(%3)		\n\t"
+	"	move.4		mac_rc16, 16(%3)	\n\t"
+	"	move.4		CSR, %2			\n\t"
+	"	setcsr		#0			\n\t"
+	"	setcsr_flush	0			\n\t"
+		:
+		: "d"((1 << 14) | (thread << 15)),
+		  "d"(pc + 4), "d"(save_csr), "a"(save_acc)
+		: "cc"
+	);
+}
+
+/*
+ * unaligned_only()
+ *	Return true if either of the unaligned causes are set (and no others).
+ */
+int unaligned_only(unsigned int cause)
+{
+	unsigned int unaligned_cause_mask =
+		(1 << TRAP_CAUSE_DST_MISALIGNED) |
+		(1 << TRAP_CAUSE_SRC1_MISALIGNED);
+
+	BUG_ON(cause == 0);
+	return (cause & unaligned_cause_mask) == cause;
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/kernel/vmlinux.lds.S linux-2.6.30.10-ubi/arch/ubicom32/kernel/vmlinux.lds.S
--- linux-2.6.30.10/arch/ubicom32/kernel/vmlinux.lds.S	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/kernel/vmlinux.lds.S	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,370 @@
+/*
+ * arch/ubicom32/kernel/vmlinux.lds.S
+ *	vmlinux primary linker script
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <asm-generic/vmlinux.lds.h>
+#include <asm/ocm_size.h>
+#include <asm/memory_map.h>
+#include <asm/thread_info.h>
+#include <linux/threads.h>
+
+/*
+ * Sanity checks to prevent errors later on that are much harder to understand
+ */
+#if !defined APP_OCM_CODE_SIZE
+#error APP_OCM_CODE_SIZE has not been defined in ocm_size.h
+#endif
+
+#if !defined APP_OCM_DATA_SIZE
+#error APP_OCM_DATA_SIZE has not been defined in ocm_size.h
+#endif
+
+/*
+ * The `free' ocm area that ultra does not use.
+ */
+#if APP_OCM_CODE_SIZE || APP_OCM_DATA_SIZE
+#define OCM_FREE_START	(OCMSTART + APP_OCM_CODE_SIZE)
+#define OCM_FREE_LENGTH	(OCMSIZE - APP_OCM_CODE_SIZE - APP_OCM_DATA_SIZE)
+#else
+#define OCM_FREE_START OCMEND
+#define OCM_FREE_LENGTH 0
+#endif
+
+/*
+ * If you want to limit OCM use for text/data or completely disable it
+ * you can change these values.
+ */
+#define OCM_TEXT_LENGTH	OCM_FREE_LENGTH
+#define OCM_DATA_LENGTH	OCM_FREE_LENGTH
+
+#define	RAM_START	KERNELSTART
+#define	RAM_LENGTH	((SDRAMSTART + CONFIG_MIN_RAMSIZE) - RAM_START)
+#define	TEXT		ram
+#define	DATA		ram
+#define	INIT		ram
+#define	BSS		ram
+
+#ifndef DATA_ADDR
+#define	DATA_ADDR
+#endif
+
+#include <asm-generic/vmlinux.lds.h>
+
+OUTPUT_ARCH(ubicom32)
+ENTRY(_start)
+
+MEMORY {
+	ram		: ORIGIN = RAM_START, LENGTH = RAM_LENGTH
+	syscall		: ORIGIN = OS_SYSCALL_BEGIN, LENGTH = (OS_SYSCALL_END - OS_SYSCALL_BEGIN)
+	ocm		: ORIGIN = OCM_FREE_START, LENGTH = OCM_FREE_LENGTH
+}
+
+jiffies = jiffies_64 + 4;
+
+/*
+ * Fixed locations required by gdb coredumps.
+ *
+ * Note that the names are what gdb is expecting so renaming will break
+ * the toolchain.
+ */
+__ocm_begin		= OCMSTART;
+__ocm_limit		= __ocm_begin + OCMSIZE;
+__sdram_begin		= SDRAMSTART;
+__sdram_limit		= __sdram_begin + CONFIG_MIN_RAMSIZE;
+__filemedia_begin_addr	= FLASHSTART;
+__filemedia_end_addr	= __filemedia_begin_addr + 0x00800000;
+
+/*
+ * For internal diagnostics
+ */
+__os_syscall_begin	= OS_SYSCALL_BEGIN;
+__os_syscall_end	= OS_SYSCALL_END;
+
+SECTIONS {
+
+	.fixed_text : {
+		_begin = .;
+		*(.skip_syscall)
+		*(.old_syscall_entry.text)
+		__fixed_text_end = .;
+	} > TEXT
+	. = _begin + SIZEOF(.fixed_text) ;
+
+	/*
+	 * System call text in lower ocm (fixed location, can never change)
+	 */
+	__syscall_text_load_begin = .;
+	__syscall_text_run_begin = OS_SYSCALL_BEGIN;
+
+	.syscall_text __syscall_text_run_begin : AT(__syscall_text_load_begin) {
+		*(.syscall_entry.text) /* Must be at OS_SYSCALL_BEGIN 0x3ffc0040 */
+		*(.kernel_unprotected)
+		. = ALIGN(4);
+		__syscall_text_run_end = .;
+	} > syscall /* .syscall_text */
+	. = __syscall_text_load_begin + __syscall_text_run_end - __syscall_text_run_begin ;
+	__ocm_text_load_begin = .;
+	__ocm_text_run_begin = OCM_FREE_START ;
+	.ocm_text __ocm_text_run_begin : AT(__ocm_text_load_begin) {
+#if OCM_TEXT_LENGTH
+		*(.ocm_text)
+		*(.sched.text)
+		*(.spinlock.text)
+#include <asm/ocm_text.lds.inc>
+		. = ALIGN(4);
+#endif
+		__ocm_text_run_end = .;
+		__data_begin = ALIGN(OCM_SECTOR_SIZE);
+	} > ocm /* .ocm_text */
+
+	.ocm_module_text __ocm_text_run_end (NOLOAD) : AT(__ocm_text_run_end) {
+		__ocm_inst_heap_begin = .;
+		/* Reserve the min requested */
+		. += (CONFIG_OCM_MODULES_RESERVATION) * 1024;
+#ifdef CONFIG_OCM_MODULES_MAY_CONSUME_REMAINING_CODESPACE
+		/* Round up to OCM sector size (we cannot use it for data) */
+		. = ALIGN(OCM_SECTOR_SIZE);
+#endif
+		__ocm_inst_heap_end = .;
+		/* update __data_begin */
+		__data_begin = ALIGN(OCM_SECTOR_SIZE);
+	} > ocm  /* .ocm_module_text */
+
+	. = __ocm_text_load_begin + __ocm_text_run_end - __ocm_text_run_begin ;
+	__ocm_text_load_end = .;
+
+	__ocm_data_load_begin = .;
+	__ocm_data_run_begin = __data_begin ;
+#if OCM_DATA_LENGTH
+	.ocm_data __ocm_data_run_begin : AT(__ocm_data_load_begin) {
+#if defined(CONFIG_IRQSTACKS_USEOCM)
+		percpu_irq_stacks = .;
+		. += NR_CPUS * THREAD_SIZE;
+#endif
+		*(.ocm_data)
+		. = ALIGN(4) ;
+		__ocm_data_run_end = .;
+	} > ocm
+	. = __ocm_data_load_begin + __ocm_data_run_end - __ocm_data_run_begin ;
+#else
+	__ocm_data_run_end = __ocm_data_run_begin;
+#endif
+	__ocm_data_load_end = .;
+
+	__ocm_free_begin = __ocm_data_run_end;
+	__ocm_free_end = OCM_FREE_START + OCM_FREE_LENGTH;
+
+	.text __ocm_data_load_end : AT(__ocm_data_load_end) {
+		. = ALIGN(4);
+		_stext = .;
+		_text = .;
+		TEXT_TEXT
+		SCHED_TEXT
+		LOCK_TEXT
+		*(.text.lock)
+		*(.text.__libgcc_udivmodsi)
+		*(.text.__libgcc_divmodsi)
+		*(.text.__libgcc_muldi3)
+		*(.text.__libgcc_udivmoddi)
+		*(.text.__libgcc_divmoddi)
+		*(.text.*)
+#if OCM_TEXT_LENGTH == 0
+		*(.ocm_text)
+		*(.sched.text)
+		*(.spinlock.text)
+#endif
+		. = ALIGN(16);          /* Exception table              */
+		__start___ex_table = .;
+		*(__ex_table)
+		__stop___ex_table = .;
+
+		*(.rodata) *(.rodata.*)
+		*(__vermagic)		/* Kernel version magic */
+		*(__markers_strings)
+		*(.rodata1)
+		*(.rodata.str1.1)
+		*(__tracepoints_strings)
+
+		 /* PCI quirks */
+		__start_pci_fixups_early = . ;
+			*(.pci_fixup_early)
+		__end_pci_fixups_early = . ;
+		__start_pci_fixups_header = . ;
+			*(.pci_fixup_header)
+		__end_pci_fixups_header = . ;
+		__start_pci_fixups_final = . ;
+			*(.pci_fixup_final)
+		__end_pci_fixups_final = . ;
+		__start_pci_fixups_enable = . ;
+			*(.pci_fixup_enable)
+		__end_pci_fixups_enable = . ;
+		__start_pci_fixups_resume = . ;
+		       *(.pci_fixup_resume)
+		__end_pci_fixups_resume = . ;
+		__start_pci_fixups_resume_early = . ;
+		       *(.pci_fixup_resume_early)
+		__end_pci_fixups_resume_early = . ;
+		__start_pci_fixups_suspend  = . ;
+		       *(.pci_fixup_suspend)
+		__end_pci_fixups_suspend = . ;
+
+		__start_builtin_fw = . ;
+			*(.builtin_fw)
+		__end_builtin_fw = . ;
+
+
+		/* Kernel symbol table: Normal symbols */
+		. = ALIGN(4);
+		__start___ksymtab = .;
+		*(__ksymtab)
+		__stop___ksymtab = .;
+
+		/* Kernel symbol table: GPL-only symbols */
+		__start___ksymtab_gpl = .;
+		*(__ksymtab_gpl)
+		__stop___ksymtab_gpl = .;
+
+		/* Kernel symbol table: Normal unused symbols */
+		__start___ksymtab_unused = .;
+		*(__ksymtab_unused)
+		__stop___ksymtab_unused = .;
+
+		/* Kernel symbol table: GPL-only unused symbols */
+		__start___ksymtab_unused_gpl = .;
+		*(__ksymtab_unused_gpl)
+		__stop___ksymtab_unused_gpl = .;
+
+		/* Kernel symbol table: GPL-future symbols */
+		__start___ksymtab_gpl_future = .;
+		*(__ksymtab_gpl_future)
+		__stop___ksymtab_gpl_future = .;
+
+		/* Kernel symbol table: Normal symbols */
+		__start___kcrctab = .;
+		*(__kcrctab)
+		__stop___kcrctab = .;
+
+		/* Kernel symbol table: GPL-only symbols */
+		__start___kcrctab_gpl = .;
+		*(__kcrctab_gpl)
+		__stop___kcrctab_gpl = .;
+
+		/* Kernel symbol table: GPL-future symbols */
+		__start___kcrctab_gpl_future = .;
+		*(__kcrctab_gpl_future)
+		__stop___kcrctab_gpl_future = .;
+
+		/* Kernel symbol table: strings */
+		*(__ksymtab_strings)
+
+		/* Built-in module parameters */
+		. = ALIGN(4) ;
+		__start___param = .;
+		*(__param)
+		__stop___param = .;
+
+		. = ALIGN(4) ;
+		_etext = . ;
+	} > TEXT
+
+	.data DATA_ADDR : {
+		. = ALIGN(4);
+		_sdata = . ;
+		DATA_DATA
+#if OCM_DATA_LENGTH == 0
+		*(.ocm_data)
+#endif
+		. = ALIGN(8192) ;
+		_data_protection_end = .;
+		*(.data.init_task)
+		. = ALIGN(4);
+		_edata = . ;
+	} > DATA
+
+	.init : {
+		. = ALIGN(4096);
+		__init_begin = .;
+		_sinittext = .;
+		INIT_TEXT
+		_einittext = .;
+		*(.init.rodata)
+		INIT_DATA
+		. = ALIGN(16);
+		__setup_start = .;
+		*(.init.setup)
+		__setup_end = .;
+		__initcall_start = .;
+		INITCALLS
+		__initcall_end = .;
+		__con_initcall_start = .;
+		*(.con_initcall.init)
+		__con_initcall_end = .;
+		___security_initcall_start = .;
+		*(.security_initcall.init)
+		___security_initcall_end = .;
+#ifdef CONFIG_BLK_DEV_INITRD
+		. = ALIGN(4);
+		__initramfs_start = .;
+		*(.init.ramfs)
+		__initramfs_end = .;
+#endif
+		. = ALIGN(4096);
+		__per_cpu_start = .;
+			*(.data.percpu)
+			*(.data.percpu.shared_aligned)
+		__per_cpu_end = .;
+
+		. = ALIGN(4096);
+		__init_end = .;
+	} > INIT
+
+	  .eh_frame   :
+	  {
+	    PROVIDE (___eh_frame_begin = .);
+	    *(.eh_frame)
+	    LONG (0);
+	    PROVIDE (___eh_frame_end = .);
+	  } > INIT
+
+	/DISCARD/ : {
+		EXIT_TEXT
+		EXIT_DATA
+		*(.exitcall.exit)
+	}
+
+	.bss : {
+		. = ALIGN(4);
+		_sbss = . ;
+		*(.bss)
+		*(COMMON)
+		. = ALIGN(4) ;
+		_ebss = . ;
+		_end = . ;
+	} > BSS
+
+	NOTES > BSS
+
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/lib/checksum.c linux-2.6.30.10-ubi/arch/ubicom32/lib/checksum.c
--- linux-2.6.30.10/arch/ubicom32/lib/checksum.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/lib/checksum.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,250 @@
+/*
+ * arch/ubicom32/lib/checksum.c
+ *   Optimized checksum utilities for IP.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+/*
+ * INET		An implementation of the TCP/IP protocol suite for the LINUX
+ *		operating system.  INET is implemented using the  BSD Socket
+ *		interface as the means of communication with the user level.
+ *
+ *		IP/TCP/UDP checksumming routines
+ *
+ * Authors:	Jorge Cwik, <jorge@laser.satlink.net>
+ *		Arnt Gulbrandsen, <agulbra@nvg.unit.no>
+ *		Tom May, <ftom@netcom.com>
+ *		Andreas Schwab, <schwab@issan.informatik.uni-dortmund.de>
+ *		Lots of code moved from tcp.c and ip.c; see those files
+ *		for more names.
+ *
+ * 03/02/96	Jes Sorensen, Andreas Schwab, Roman Hodek:
+ *		Fixed some nasty bugs, causing some horrible crashes.
+ *		A: At some points, the sum (%0) was used as
+ *		length-counter instead of the length counter
+ *		(%1). Thanks to Roman Hodek for pointing this out.
+ *		B: GCC seems to mess up if one uses too many
+ *		data-registers to hold input values and one tries to
+ *		specify d0 and d1 as scratch registers. Letting gcc choose these
+ *		registers itself solves the problem.
+ *
+ *		This program is free software; you can redistribute it and/or
+ *		modify it under the terms of the GNU General Public License
+ *		as published by the Free Software Foundation; either version
+ *		2 of the License, or (at your option) any later version.
+ */
+
+/* Revised by Kenneth Albanowski for m68knommu. Basic problem: unaligned access kills, so most
+   of the assembly has to go. */
+
+#include <linux/module.h>
+#include <net/checksum.h>
+
+static unsigned long do_csum(const unsigned char * buff, int len)
+{
+	int count;
+	unsigned long result = 0;
+
+	/*
+	 * The following optimized assembly code cannot handle data length less than 7 bytes!
+	 */
+	if (likely(len >= 7)) {
+		len -= (4 - (int)buff) & 3;
+		count = len >> 2;
+		asm (
+		"	sub.4		d15, #0, %2		\n\t"	// set up for jump table
+		"	and.4		d15, #(32-1), d15	\n\t"	// d15 = (-m) & (32 - 1)
+
+		"	bfextu		d14, %0, #2		\n\t"	// test 2 LSB of buff
+		"	jmpne.w.f	100f			\n\t"
+		"	add.4		%1, #0, %1		\n\t"	// clear C
+		"	moveai		a3, #%%hi(1f)		\n\t"	// table jump
+		"	lea.1		a3, %%lo(1f)(a3)	\n\t"
+		"	lea.4		a3, (a3,d15)		\n\t"
+		"	calli		a3, 0(a3)		\n\t"
+
+		"100:	sub.4		%0, %0, d14		\n\t"
+		"	sub.4		d14, #4, d14		\n\t"
+		"	lsl.4		d14, d14, #3		\n\t"
+		"	add.4		%1, #0, %1		\n\t"	// clear C
+		"	moveai		a3, #%%hi(1f)		\n\t"	// table jump
+		"	lea.1		a3, %%lo(1f)(a3)	\n\t"
+		"	lea.4		a3, (a3,d15)		\n\t"
+		"	bfextu		%1, (%0)4++, d14	\n\t"	// read first partial word
+		"	calli		a3, 0(a3)		\n\t"
+#if 1
+		"200:	lsl.4		%3, %3, #3		\n\t"
+		"	bfrvrs		d15, (%0), #0		\n\t"	// read last word (partial)
+		"	bfextu		d15, d15, %3		\n\t"
+		"	bfrvrs		d15, d15, #0		\n\t"
+		"	add.4		%1, d15, %1		\n\t"
+		"	addc		%1, #0, %1		\n\t"	// sample C again
+		"	jmpt.w.t	2f			\n\t"
+#else
+		"200:	move.1		d15, 0(%0)		\n\t"
+		"	lsl.4		d15, d15, #8		\n\t"
+		"	add.4		%1, d15, %1		\n\t"
+		"	addc		%1, #0, %1		\n\t"	// sample C again
+		"	add.4		%3, #-1, %3		\n\t"
+		"	jmpeq.w.t	2f			\n\t"
+
+		"	move.1		d15, 1(%0)		\n\t"
+		"	add.4		%1, d15, %1		\n\t"
+		"	addc		%1, #0, %1		\n\t"	// sample C again
+		"	add.4		%3, #-1, %3		\n\t"
+		"	jmpeq.w.t	2f			\n\t"
+
+		"	move.1		d15, 2(%0)		\n\t"
+		"	lsl.4		d15, d15, #8		\n\t"
+		"	add.4		%1, d15, %1		\n\t"
+		"	addc		%1, #0, %1		\n\t"	// sample C again
+		"	jmpt.w.t	2f			\n\t"
+#endif
+#if defined(IP7000) || defined(IP7000_REV2)
+		"300:	swapb.2		%1, %1			\n\t"
+#else
+		"300:	shmrg.2		%1, %1, %1		\n\t"
+		"	lsr.4		%1, %1, #8		\n\t"
+		"	bfextu		%1, %1, #16		\n\t"
+#endif
+		"	jmpt.w.t	3f			\n\t"
+
+		"1:	add.4		%1, (%0)4++, %1		\n\t"	// first add without C
+		"	.rept		31			\n\t"
+		"	addc		%1, (%0)4++, %1		\n\t"
+		"	.endr					\n\t"
+		"	addc		%1, #0, %1		\n\t"	// sample C again
+		"	add.4		%2, #-32, %2		\n\t"
+		"	jmpgt.w.t	1b			\n\t"
+
+		"	and.4		%3, #3, %3		\n\t"	// check n
+		"	jmpne.w.f	200b			\n\t"
+
+		"2:	.rept		2			\n\t"
+		"	lsr.4		d15, %1, #16		\n\t"
+		"	bfextu		%1, %1, #16		\n\t"
+		"	add.4		%1, d15, %1		\n\t"
+		"	.endr					\n\t"
+		"	btst		d14, #3			\n\t"	// start from odd address (<< 3)?
+		"	jmpne.w.f	300b			\n\t"
+		"3:						\n\t"
+
+			: "+a"(buff), "+d"(result), "+d"(count), "+d"(len)
+			:
+			: "d15", "d14", "a3", "cc"
+		);
+
+		return result;
+	}
+
+	/*
+	 * handle a few bytes and fold result into 16-bit
+	 */
+	while (len-- > 0) {
+		result += (*buff++ << 8);
+		if (len) {
+			result += *buff++;
+			len--;
+		}
+	}
+	asm (
+	"	.rept		2			\n\t"
+	"	lsr.4		d15, %0, #16		\n\t"
+	"	bfextu		%0, %0, #16		\n\t"
+	"	add.4		%0, d15, %0		\n\t"
+	"	.endr					\n\t"
+		: "+d" (result)
+		:
+		: "d15", "cc"
+	);
+
+	return result;
+}
+
+/*
+ *	This is a version of ip_compute_csum() optimized for IP headers,
+ *	which always checksum on 4 octet boundaries.
+ */
+__sum16 ip_fast_csum(const void *iph, unsigned int ihl)
+{
+	return (__force __sum16)~do_csum(iph,ihl*4);
+}
+
+/*
+ * computes the checksum of a memory block at buff, length len,
+ * and adds in "sum" (32-bit)
+ *
+ * returns a 32-bit number suitable for feeding into itself
+ * or csum_tcpudp_magic
+ *
+ * this function must be called with even lengths, except
+ * for the last fragment, which may be odd
+ *
+ * it's best to have buff aligned on a 32-bit boundary
+ */
+__wsum csum_partial(const void *buff, int len, __wsum sum)
+{
+	unsigned int result = do_csum(buff, len);
+
+	/* add in old sum, and carry.. */
+	result += (__force u32)sum;
+	if ((__force u32)sum > result)
+		result += 1;
+	return (__force __wsum)result;
+}
+
+EXPORT_SYMBOL(csum_partial);
+
+/*
+ * this routine is used for miscellaneous IP-like checksums, mainly
+ * in icmp.c
+ */
+__sum16 ip_compute_csum(const void *buff, int len)
+{
+	return (__force __sum16)~do_csum(buff,len);
+}
+
+/*
+ * copy from fs while checksumming, otherwise like csum_partial
+ */
+
+__wsum
+csum_partial_copy_from_user(const void __user *src, void *dst,
+			    int len, __wsum sum, int *csum_err)
+{
+	if (csum_err) *csum_err = 0;
+	memcpy(dst, (__force const void *)src, len);
+	return csum_partial(dst, len, sum);
+}
+
+/*
+ * copy from ds while checksumming, otherwise like csum_partial
+ */
+
+__wsum
+csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum)
+{
+	memcpy(dst, src, len);
+	return csum_partial(dst, len, sum);
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/lib/delay.c linux-2.6.30.10-ubi/arch/ubicom32/lib/delay.c
--- linux-2.6.30.10/arch/ubicom32/lib/delay.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/lib/delay.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,49 @@
+/*
+ * arch/ubicom32/lib/delay.c
+ *   Ubicom32 implementation of udelay()
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/module.h>
+#include <asm/param.h>
+#include <asm/delay.h>
+#include <asm/ip5000.h>
+
+/*
+ * read_current_timer()
+ *	Return the current value of sysval.
+ */
+int __devinit read_current_timer(unsigned long *timer_val)
+{
+	*timer_val = (long)(UBICOM32_IO_TIMER->sysval);
+	return 0;
+}
+
+
+void udelay(unsigned long usecs)
+{
+	_udelay(usecs);
+}
+EXPORT_SYMBOL(udelay);
diff -ruN linux-2.6.30.10/arch/ubicom32/lib/Makefile linux-2.6.30.10-ubi/arch/ubicom32/lib/Makefile
--- linux-2.6.30.10/arch/ubicom32/lib/Makefile	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/lib/Makefile	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,32 @@
+#
+# arch/ubicom32/lib/Makefile
+#	<TODO: Replace with short file description>
+#
+# (C) Copyright 2009, Ubicom, Inc.
+#
+# This file is part of the Ubicom32 Linux Kernel Port.
+#
+# The Ubicom32 Linux Kernel Port is free software: you can redistribute
+# it and/or modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation, either version 2 of the
+# License, or (at your option) any later version.
+#
+# The Ubicom32 Linux Kernel Port is distributed in the hope that it
+# will be useful, but WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+# the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with the Ubicom32 Linux Kernel Port.  If not,
+# see <http://www.gnu.org/licenses/>.
+#
+# Ubicom32 implementation derived from (with many thanks):
+#   arch/m68knommu
+#   arch/blackfin
+#   arch/parisc
+#
+#
+# Makefile for m68knommu specific library files..
+#
+
+lib-y	:= checksum.o delay.o mem_ubicom32.o
diff -ruN linux-2.6.30.10/arch/ubicom32/lib/mem_ubicom32.c linux-2.6.30.10-ubi/arch/ubicom32/lib/mem_ubicom32.c
--- linux-2.6.30.10/arch/ubicom32/lib/mem_ubicom32.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/lib/mem_ubicom32.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,343 @@
+/*
+ * arch/ubicom32/lib/mem_ubicom32.c
+ *   String functions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/compiler.h>
+
+#define LIKELY likely
+#define UNLIKELY unlikely
+
+typedef u32_t addr_t;
+
+/*
+ * memcpy()
+ */
+void *memcpy(void *dest, const void *src, size_t n)
+{
+	void *dest_ret = dest;
+
+	if (LIKELY((((addr_t)dest ^ (addr_t)src) & 3) == 0) && LIKELY(n > 6)) {
+		size_t m;
+		n -= (4 - (addr_t)dest) & 0x03;
+		m = n >> 2;
+		asm volatile (
+		"	sub.4		d15, #0, %2		\n\t"	// set up for jump table
+		"	and.4		d15, #(32-1), d15	\n\t"	// d15 = (-m) & (32 - 1)
+		"	moveai		a3, #%%hi(1f)		\n\t"
+		"	lea.1		a3, %%lo(1f)(a3)	\n\t"
+		"	lea.4		a3, (a3,d15)		\n\t"
+
+		"	bfextu		d15, %0, #2		\n\t"	// d15 = (dest & 3)
+		"	jmpne.w.f	100f			\n\t"
+		"	calli		a3, 0(a3)		\n\t"	// 4-byte alignment
+
+		"100:	cmpi		d15, #2			\n\t"
+		"	jmpne.s.f	101f			\n\t"
+		"	move.2		(%0)2++, (%1)2++	\n\t"
+		"	calli		a3, 0(a3)		\n\t"	// 2-byte alignment
+
+		"101:	move.1		(%0)1++, (%1)1++	\n\t"
+		"	jmpgt.s.f	102f			\n\t"	// 3-byte alignment
+		"	move.2		(%0)2++, (%1)2++	\n\t"	// 1-byte alignment
+		"102:	calli		a3, 0(a3)		\n\t"
+
+		"200:	cmpi		%3, #2			\n\t"
+		"	jmplt.s.f	201f			\n\t"
+		"	move.2		(%0)2++, (%1)2++	\n\t"
+		"	jmpeq.s.t	2f			\n\t"
+		"201:	move.1		(%0)1++, (%1)1++	\n\t"
+		"	jmpt.w.t	2f			\n\t"
+
+		"1:	.rept		25			\n\t"
+		"	movea		(%0)4++, (%1)4++	\n\t"
+		"	.endr					\n\t"
+		"	.rept		7			\n\t"
+		"	move.4		(%0)4++, (%1)4++	\n\t"
+		"	.endr					\n\t"
+		"	add.4		%2, #-32, %2		\n\t"
+		"	jmpgt.w.f	1b			\n\t"
+
+		"	and.4		%3, #3, %3		\n\t"	// check n
+		"	jmpne.w.f	200b			\n\t"
+		"2:						\n\t"
+			: "+a" (dest), "+a" (src), "+d" (m), "+d" (n)
+			:
+			: "d15", "a3", "memory", "cc"
+		);
+
+		return dest_ret;
+	}
+
+	if (LIKELY((((addr_t)dest ^ (addr_t)src) & 1) == 0) && LIKELY(n > 2)) {
+		size_t m;
+		n -= (addr_t)dest & 0x01;
+		m = n >> 1;
+		asm volatile (
+		"	sub.4		d15, #0, %2		\n\t"	// set up for jump table
+		"	and.4		d15, #(32-1), d15	\n\t"	// d15 = (-m) & (32 - 1)
+		"	moveai		a3, #%%hi(1f)		\n\t"
+		"	lea.1		a3, %%lo(1f)(a3)	\n\t"
+		"	lea.4		a3, (a3,d15)		\n\t"
+
+		"	btst		%0, #0			\n\t"	// check bit 0
+		"	jmpne.w.f	100f			\n\t"
+		"	calli		a3, 0(a3)		\n\t"	// 4-byte alignment
+
+		"100:	move.1		(%0)1++, (%1)1++	\n\t"
+		"	calli		a3, 0(a3)		\n\t"
+
+		"200:	move.1		(%0)1++, (%1)1++	\n\t"
+		"	jmpt.w.t	2f			\n\t"
+
+		"1:	.rept		32			\n\t"
+		"	move.2		(%0)2++, (%1)2++	\n\t"
+		"	.endr					\n\t"
+		"	add.4		%2, #-32, %2		\n\t"
+		"	jmpgt.w.f	1b			\n\t"
+
+		"	and.4		%3, #1, %3		\n\t"	// check n
+		"	jmpne.w.f	200b			\n\t"
+		"2:						\n\t"
+
+			: "+a" (dest), "+a" (src), "+d" (m), "+d" (n)
+			:
+			: "d15", "a3", "memory", "cc"
+		);
+
+		return dest_ret;
+	}
+
+	asm volatile (
+	"	sub.4		d15, #0, %2		\n\t"
+	"	jmpeq.w.f	2f			\n\t"
+	"	and.4		d15, #(16-1), d15	\n\t"	// d15 = (-n) & (16 - 1)
+	"	moveai		a3, #%%hi(1f)		\n\t"
+	"	lea.1		a3, %%lo(1f)(a3)	\n\t"
+	"	lea.4		a3, (a3,d15)		\n\t"
+	"	calli		a3, 0(a3)		\n\t"
+
+	"1:	.rept		16			\n\t"
+	"	move.1		(%0)1++, (%1)1++	\n\t"
+	"	.endr					\n\t"
+	"	add.4		%2, #-16, %2		\n\t"
+	"	jmpgt.w.f	1b			\n\t"
+	"2:						\n\t"
+
+		: "+a" (dest), "+a" (src), "+d" (n)
+		:
+		: "d15", "a3", "memory", "cc"
+	);
+
+	return dest_ret;
+}
+
+/*
+ * memset()
+ */
+void *memset(void *s, int c, size_t n)
+{
+	void *s_ret = s;
+
+	if (LIKELY(n > 6)) {
+		size_t m;
+		n -= (4 - (addr_t)s) & 0x03;
+		m = n >> 2;
+		asm volatile (
+		"	sub.4		d15, #0, %2		\n\t"	// set up for jump table
+		"	and.4		d15, #(32-1), d15	\n\t"	// d15 = (-m) & (32 - 1)
+		"	shmrg.1		%1, %1, %1		\n\t"
+		"	shmrg.2		%1, %1, %1		\n\t"	// %1 = (c<<24)|(c<<16)|(c<<8)|c
+		"	moveai		a3, #%%hi(1f)		\n\t"
+		"	lea.1		a3, %%lo(1f)(a3)	\n\t"
+		"	lea.4		a3, (a3,d15)		\n\t"
+
+		"	bfextu		d15, %0, #2		\n\t"	// d15 = (s & 3)
+		"	jmpne.w.f	100f			\n\t"
+		"	calli		a3, 0(a3)		\n\t"	// 4-byte alignment
+
+		"100:	cmpi		d15, #2			\n\t"
+		"	jmpne.s.f	101f			\n\t"
+		"	move.2		(%0)2++, %1		\n\t"
+		"	calli		a3, 0(a3)		\n\t"	// 2-byte alignment
+
+		"101:	move.1		(%0)1++, %1		\n\t"
+		"	jmpgt.s.f	102f			\n\t"	// 3-byte alignment
+		"	move.2		(%0)2++, %1		\n\t"	// 1-byte alignment
+		"102:	calli		a3, 0(a3)		\n\t"
+
+		"200:	cmpi		%3, #2			\n\t"
+		"	jmplt.s.f	201f			\n\t"
+		"	move.2		(%0)2++, %1		\n\t"
+		"	jmpeq.s.t	2f			\n\t"
+		"201:	move.1		(%0)1++, %1		\n\t"
+		"	jmpt.w.t	2f			\n\t"
+
+		"1:	.rept		25			\n\t"
+		"	movea		(%0)4++, %1		\n\t"
+		"	.endr					\n\t"
+		"	.rept		7			\n\t"
+		"	move.4		(%0)4++, %1		\n\t"
+		"	.endr					\n\t"
+		"	add.4		%2, #-32, %2		\n\t"
+		"	jmpgt.w.f	1b			\n\t"
+
+		"	and.4		%3, #3, %3		\n\t"	// test bit 1 of n
+		"	jmpne.w.f	200b			\n\t"
+		"2:						\n\t"
+
+			: "+a" (s), "+d" (c), "+d" (m), "+d" (n)
+			:
+			: "d15", "a3", "memory", "cc"
+		);
+
+		return s_ret;
+	}
+
+	asm volatile (
+	"	sub.4		d15, #0, %2		\n\t"
+	"	jmpeq.w.f	2f			\n\t"
+	"	and.4		d15, #(8-1), d15	\n\t"	// d15 = (-%2) & (16 - 1)
+	"	moveai		a3, #%%hi(1f)		\n\t"
+	"	lea.1		a3, %%lo(1f)(a3)	\n\t"
+	"	lea.4		a3, (a3,d15)		\n\t"
+	"	calli		a3, 0(a3)		\n\t"
+
+	"1:	.rept		8			\n\t"
+	"	move.1		(%0)1++, %1		\n\t"
+	"	.endr					\n\t"
+	"2:						\n\t"
+
+		: "+a" (s), "+d" (c), "+d" (n)
+		:
+		: "d15", "a3", "memory", "cc"
+	);
+
+	return s_ret;
+}
+
+void *memmove(void *dest, const void *src, size_t n)
+{
+	char *tmp;
+	const char *s;
+
+	if (n == 0)
+		return dest;
+
+	tmp = dest;
+	s = src;
+
+	/*
+	 * Will perform 16-bit move if possible
+	 */
+	if (likely((((u32)dest | (u32)src | n) & 1) == 0)) {
+		if (dest <= src) {
+			asm volatile (
+			"	sub.4		d15, #0, %2		\n\t"	// set up for jump table
+			"	and.4		d15, #(32-2), d15	\n\t"	// d15 = (- count) & (32 - 2)
+			"	moveai		a3, #%%hi(1f)		\n\t"
+			"	lea.1		a3, %%lo(1f)(a3)	\n\t"
+			"	lea.2		a3, (a3,d15)		\n\t"
+			"	calli		a3, 0(a3)		\n\t"
+
+			"1:	.rept		16			\n\t"
+			"	move.2		(%0)2++, (%1)2++	\n\t"
+			"	.endr					\n\t"
+			"	add.4		%2, #-32, %2		\n\t"
+			"	jmpgt.w.f	1b			\n\t"
+
+			: "+a" (tmp), "+a" (s), "+d" (n)
+			:
+			: "d15", "a3", "memory", "cc"
+			);
+		} else {
+			tmp += n;
+			s += n;
+			asm volatile (
+			"	sub.4		d15, #0, %2		\n\t"	// set up for jump table
+			"	and.4		d15, #(32-2), d15	\n\t"	// d15 = (- count) & (32 - 2)
+			"	moveai		a3, #%%hi(1f)		\n\t"
+			"	lea.1		a3, %%lo(1f)(a3)	\n\t"
+			"	lea.2		a3, (a3,d15)		\n\t"
+			"	calli		a3, 0(a3)		\n\t"
+
+			"1:	.rept		16			\n\t"
+			"	move.2		-2(%0)++, -2(%1)++	\n\t"
+			"	.endr					\n\t"
+			"	add.4		%2, #-32, %2		\n\t"
+			"	jmpgt.w.f	1b			\n\t"
+
+			: "+a" (tmp), "+a" (s), "+d" (n)
+			:
+			: "d15", "a3", "memory", "cc"
+			);
+		}
+		return dest;
+	}
+
+	if (dest <= src) {
+		asm volatile (
+		"	sub.4		d15, #0, %2		\n\t"	// set up for jump table
+		"	and.4		d15, #(16-1), d15	\n\t"	// d15 = (- count) & (16 - 1)
+		"	moveai		a3, #%%hi(1f)		\n\t"
+		"	lea.1		a3, %%lo(1f)(a3)	\n\t"
+		"	lea.4		a3, (a3,d15)		\n\t"
+		"	calli		a3, 0(a3)		\n\t"
+
+		"1:	.rept		16			\n\t"
+		"	move.1		(%0)1++, (%1)1++	\n\t"
+		"	.endr					\n\t"
+		"	add.4		%2, #-16, %2		\n\t"
+		"	jmpgt.w.f	1b			\n\t"
+		: "+a" (tmp), "+a" (s), "+d" (n)
+		:
+		: "d15", "a3", "memory", "cc"
+		);
+	} else {
+		tmp += n;
+		s += n;
+		asm volatile (
+		"	sub.4		d15, #0, %2		\n\t"	// set up for jump table
+		"	and.4		d15, #(16-1), d15	\n\t"	// d15 = (- count) & (16 - 1)
+		"	moveai		a3, #%%hi(1f)		\n\t"
+		"	lea.1		a3, %%lo(1f)(a3)	\n\t"
+		"	lea.4		a3, (a3,d15)		\n\t"
+		"	calli		a3, 0(a3)		\n\t"
+
+		"1:	.rept		16			\n\t"
+		"	move.1		-1(%0)++, -1(%1)++	\n\t"
+		"	.endr					\n\t"
+		"	add.4		%2, #-16, %2		\n\t"
+		"	jmpgt.w.f	1b			\n\t"
+		: "+a" (tmp), "+a" (s), "+d" (n)
+		:
+		: "d15", "a3", "memory", "cc"
+		);
+	}
+	return dest;
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-common/audio.c linux-2.6.30.10-ubi/arch/ubicom32/mach-common/audio.c
--- linux-2.6.30.10/arch/ubicom32/mach-common/audio.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-common/audio.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,134 @@
+/*
+ * arch/ubicom32/mach-common/audio.c
+ *   Generic initialization for Ubicom32 Audio
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/types.h>
+
+#include <asm/devtree.h>
+#include <asm/audio.h>
+#include <asm/ubi32-pcm.h>
+
+/*
+ * The number of audio devices currently allocated, used for .id
+ */
+static int __initdata audio_device_count;
+
+/*
+ * The maximum number of resources (cards) that the audio will have.
+ * Currently 3, a register space, and up to 2 interrupts.
+ */
+#define AUDIO_MAX_RESOURCES	3
+
+/*
+ * audio_device_alloc
+ *	Checks the device tree and allocates a platform_device if found
+ */
+struct platform_device * __init audio_device_alloc(const char *driver_name,
+		const char *node_name, const char *inst_name, int priv_bytes)
+{
+	struct platform_device *pdev;
+	struct resource *res;
+	struct audio_node *audio_node;
+	struct ubi32pcm_platform_data *pdata;
+	struct audio_dev_regs *adr;
+	int idx;
+
+	/*
+	 * Check the device tree for the audio node
+	 */
+	audio_node = (struct audio_node *)devtree_find_node(node_name);
+	if (!audio_node) {
+		printk(KERN_WARNING "audio device '%s' not found\n", node_name);
+		return NULL;
+	}
+
+	if (audio_node->version != AUDIONODE_VERSION) {
+		printk(KERN_WARNING "audio node not compatible\n");
+		return NULL;
+	}
+
+	/*
+	 * Find the instance in this node
+	 */
+	adr = audio_node->regs->adr;
+	for (idx = 0; idx < audio_node->regs->max_devs; idx++) {
+		if ((adr->version == AUDIO_DEV_REGS_VERSION) &&
+		   (strcmp(adr->name, inst_name) == 0)) {
+			break;
+		}
+		adr++;
+	}
+	if (idx == audio_node->regs->max_devs) {
+		printk(KERN_WARNING "audio inst '%s' not found in device '%s'\n", inst_name, node_name);
+		return NULL;
+	}
+
+	/*
+	 * Dynamically create the platform_device structure and resources
+	 */
+	pdev = kzalloc(sizeof(struct platform_device) +
+		       sizeof(struct ubi32pcm_platform_data) +
+		       priv_bytes , GFP_KERNEL);
+	if (!pdev) {
+		printk(KERN_WARNING "audio could not alloc pdev\n");
+		return NULL;
+	}
+
+	res = kzalloc(sizeof(struct resource) * AUDIO_MAX_RESOURCES,
+			GFP_KERNEL);
+	if (!res) {
+		kfree(pdev);
+		printk(KERN_WARNING "audio could not alloc res\n");
+		return NULL;
+	}
+
+	pdev->name = driver_name;
+	pdev->id = audio_device_count++;
+	pdev->resource = res;
+
+	/*
+	 * Fill in the resources and platform data from devtree information
+	 */
+	res[0].start = (u32_t)(audio_node->regs);
+	res[0].end = (u32_t)(audio_node->regs);
+	res[0].flags = IORESOURCE_MEM;
+	res[1 + AUDIO_TX_IRQ_RESOURCE].start = audio_node->dn.sendirq;
+	res[1 + AUDIO_TX_IRQ_RESOURCE].flags = IORESOURCE_IRQ;
+	res[1 + AUDIO_RX_IRQ_RESOURCE].start = audio_node->dn.recvirq;
+	res[1 + AUDIO_RX_IRQ_RESOURCE].flags = IORESOURCE_IRQ;
+	pdev->num_resources = 3;
+
+	printk(KERN_INFO "Audio.%d '%s':'%s' found irq=%d/%d.%d regs=%p pdev=%p/%p\n",
+		pdev->id, node_name, inst_name, audio_node->dn.sendirq,
+		audio_node->dn.recvirq, idx, audio_node->regs, pdev, res);
+	pdata = (struct ubi32pcm_platform_data *)(pdev + 1);
+	pdev->dev.platform_data = pdata;
+	pdata->node_name = node_name;
+	pdata->inst_name = inst_name;
+	pdata->inst_num = idx;
+	if (priv_bytes) {
+		pdata->priv_data = pdata + 1;
+	}
+
+	return pdev;
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-common/board.c linux-2.6.30.10-ubi/arch/ubicom32/mach-common/board.c
--- linux-2.6.30.10/arch/ubicom32/mach-common/board.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-common/board.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,63 @@
+/*
+ * arch/ubicom32/mach-common/board.c
+ *   Board init and support code.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/cpu.h>
+#include <asm/devtree.h>
+
+struct boardnode {
+	struct devtree_node dn;
+	const char *revision;
+};
+
+static const struct boardnode *bn;
+
+/*
+ * board_get_revision()
+ *	Returns revision string of the board.
+ */
+const char *board_get_revision(void)
+{
+	if (!bn) {
+		return "NULL";
+	}
+
+	return bn->revision;
+}
+
+/*
+ * board_init
+ */
+void __init board_init(void)
+{
+	bn = (struct boardnode *)devtree_find_node("board");
+	if (!bn) {
+		printk(KERN_WARNING "board node not found\n");
+		return;
+	}
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-common/bootargs.c linux-2.6.30.10-ubi/arch/ubicom32/mach-common/bootargs.c
--- linux-2.6.30.10/arch/ubicom32/mach-common/bootargs.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-common/bootargs.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,63 @@
+/*
+ * arch/ubicom32/mach-common/bootargs.c
+ *   Board init and support code.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/cpu.h>
+#include <asm/devtree.h>
+
+struct bootargsnode {
+	struct devtree_node dn;
+	const char cmdline[512];
+};
+
+static const struct bootargsnode *ban;
+
+/*
+ * bootargs_get_cmdline()
+ *	Returns kernel boot arguments set by the bootloader.
+ */
+const char *bootargs_get_cmdline(void)
+{
+	if (!ban) {
+		return "";
+	}
+
+	return ban->cmdline;
+}
+
+/*
+ * bootargs_init
+ */
+void __init bootargs_init(void)
+{
+	ban = (struct bootargsnode *)devtree_find_node("bootargs");
+	if (!ban) {
+		printk(KERN_WARNING "bootargs node not found\n");
+		return;
+	}
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-common/cachectl.c linux-2.6.30.10-ubi/arch/ubicom32/mach-common/cachectl.c
--- linux-2.6.30.10/arch/ubicom32/mach-common/cachectl.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-common/cachectl.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,136 @@
+/*
+ * arch/ubicom32/mach-common/cachectl.c
+ *   Architecture cache control support
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/types.h>
+#include <linux/module.h>
+#include <asm/cachectl.h>
+
+/*
+ * The write queue flush procedure in mem_cache_control needs to make
+ * DCACHE_WRITE_QUEUE_LENGTH writes to DDR (not OCM). Here we reserve some
+ * memory for this operation.
+ * Allocate array of cache lines of least DCACHE_WRITE_QUEUE_LENGTH + 1 words in
+ * length rounded up to the nearest cache line.
+ */
+#define CACHE_WRITE_QUEUE_FLUSH_AREA_SIZE \
+	ALIGN(sizeof(int) * (DCACHE_WRITE_QUEUE_LENGTH + 1), CACHE_LINE_SIZE)
+
+static char cache_write_queue_flush_area[CACHE_WRITE_QUEUE_FLUSH_AREA_SIZE]
+	__attribute__((aligned(CACHE_LINE_SIZE)));
+
+/*
+ * ONE_CCR_ADDR_OP is a helper macro that executes a single CCR operation.
+ */
+#define ONE_CCR_ADDR_OP(cc, op_addr, op)				\
+	do {								\
+		asm volatile (						\
+		"	btst	"D(CCR_CTRL)"(%0), #"D(CCR_CTRL_VALID)"				\n\t" \
+		"	jmpne.f	.-4								\n\t" \
+		"	move.4	"D(CCR_ADDR)"(%0), %1						\n\t" \
+		"	move.1	"D(CCR_CTRL+3)"(%0), %2						\n\t" \
+		"	bset	"D(CCR_CTRL)"(%0), "D(CCR_CTRL)"(%0), #"D(CCR_CTRL_VALID)"	\n\t" \
+		"	cycles	2								\n\t" \
+		"	btst	"D(CCR_CTRL)"(%0), #"D(CCR_CTRL_DONE)"				\n\t" \
+		"	jmpeq.f	.-4								\n\t" \
+			:						\
+			: "a"(cc), "r"(op_addr), "r"(op & 0xff)		\
+			: "cc"						\
+		);							\
+	} while (0)
+
+/*
+ * mem_cache_control()
+ *	Special cache control operation
+ */
+void mem_cache_control(unsigned long cc, unsigned long begin_addr,
+		       unsigned long end_addr, unsigned long op)
+{
+	unsigned long op_addr;
+	int dccr = cc == DCCR_BASE;
+	if (dccr && op == CCR_CTRL_FLUSH_ADDR) {
+		/*
+		 * We ensure all previous writes have left the data cache write
+		 * queue by sending DCACHE_WRITE_QUEUE_LENGTH writes (to
+		 * different words) down the queue.  If this is not done it's
+		 * possible that the data we are trying to flush hasn't even
+		 * entered the data cache.
+		 * The +1 ensure that the final 'flush' is actually a flush.
+		 */
+		int *flush_area = (int *)cache_write_queue_flush_area;
+		asm volatile(
+			"	.rept "D(DCACHE_WRITE_QUEUE_LENGTH + 1)"	\n\t"
+			"	move.4 (%0)4++, d0				\n\t"
+			"	.endr						\n\t"
+			: "+a"(flush_area)
+			);
+	}
+
+	if (dccr)
+		UBICOM32_LOCK(DCCR_LOCK_BIT);
+	else
+		UBICOM32_LOCK(ICCR_LOCK_BIT);
+
+	/*
+	 * Calculate the cache lines we need to operate on that include
+	 * begin_addr though end_addr.
+	 */
+	begin_addr = begin_addr & ~(CACHE_LINE_SIZE - 1);
+	end_addr = (end_addr + CACHE_LINE_SIZE - 1) & ~(CACHE_LINE_SIZE - 1);
+	op_addr = begin_addr;
+
+	do {
+		ONE_CCR_ADDR_OP(cc, op_addr, op);
+		op_addr += CACHE_LINE_SIZE;
+	} while (likely(op_addr < end_addr));
+
+	if (dccr && op == CCR_CTRL_FLUSH_ADDR) {
+		/*
+		 * It turns out that when flushing the data cache the last flush
+		 * isn't actually complete at this point. This is because there
+		 * is another write buffer on the DDR side of the cache that is
+		 * arbitrated with the I-Cache.
+		 *
+		 * The only foolproof method that ensures that the last data
+		 * cache flush *actually* completed is to do another flush on a
+		 * dirty cache line. This flush will block until the DDR write
+		 * buffer is empty.
+		 *
+		 * Rather than creating a another dirty cache line, we use the
+		 * flush_area above as we know that it is dirty from previous
+		 * writes.
+		 */
+		ONE_CCR_ADDR_OP(cc, cache_write_queue_flush_area, op);
+	}
+
+	if (dccr)
+		UBICOM32_UNLOCK(DCCR_LOCK_BIT);
+	else
+		UBICOM32_UNLOCK(ICCR_LOCK_BIT);
+
+}
+EXPORT_SYMBOL(mem_cache_control);
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-common/common.c linux-2.6.30.10-ubi/arch/ubicom32/mach-common/common.c
--- linux-2.6.30.10/arch/ubicom32/mach-common/common.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-common/common.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,64 @@
+/*
+ * arch/ubicom32/mach-common/common.c
+ *   Common platform support.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/list.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/string.h>
+#include <linux/clk.h>
+#include <linux/mutex.h>
+#include <linux/platform_device.h>
+
+
+/* Minimum CLK support */
+
+struct clk *clk_get(struct device *dev, const char *id)
+{
+	return ERR_PTR(-ENOENT);
+}
+EXPORT_SYMBOL(clk_get);
+
+void clk_put(struct clk *clk)
+{
+}
+EXPORT_SYMBOL(clk_put);
+
+int clk_enable(struct clk *clk)
+{
+	return 0;
+}
+EXPORT_SYMBOL(clk_enable);
+
+
+void clk_disable(struct clk *clk)
+{
+}
+EXPORT_SYMBOL(clk_disable);
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-common/io.c linux-2.6.30.10-ubi/arch/ubicom32/mach-common/io.c
--- linux-2.6.30.10/arch/ubicom32/mach-common/io.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-common/io.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,250 @@
+/*
+ * arch/ubicom32/mach-common/io.c
+ *   PCI I/O memory read/write support functions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/io.h>
+
+#ifdef CONFIG_PCI
+unsigned char  ioread8(void __iomem *addr)
+{
+	if (IS_PCI_ADDRESS(addr))
+		return ubi32_pci_read_u8(addr);
+	else
+		return (unsigned char)(*(volatile unsigned char *)addr);
+}
+EXPORT_SYMBOL(ioread8);
+
+unsigned short  ioread16(void __iomem *addr)
+{
+	if (IS_PCI_ADDRESS(addr))
+		return ubi32_pci_read_u16(addr);
+	else
+		return (unsigned short)(*(volatile unsigned short *)addr);
+}
+EXPORT_SYMBOL(ioread16);
+
+unsigned int  ioread32(void __iomem *addr)
+{
+	if (IS_PCI_ADDRESS(addr))
+		return ubi32_pci_read_u32(addr);
+	else
+		return (unsigned int)(*(volatile unsigned int *)addr);
+}
+EXPORT_SYMBOL(ioread32);
+
+void iowrite32(unsigned int val, void __iomem *addr)
+{
+	if (IS_PCI_ADDRESS(addr))
+		ubi32_pci_write_u32(val, addr);
+	else
+		*(volatile unsigned int *)addr = val;
+}
+EXPORT_SYMBOL(iowrite32);
+
+void iowrite16(unsigned short val, void __iomem *addr)
+{
+	if (IS_PCI_ADDRESS(addr))
+		ubi32_pci_write_u16(val, addr);
+	else
+		*(volatile unsigned short *)addr = val;
+}
+EXPORT_SYMBOL(iowrite16);
+
+void iowrite8(unsigned char val, void __iomem *addr)
+{
+	if (IS_PCI_ADDRESS(addr))
+		ubi32_pci_write_u8(val, addr);
+	else
+		*(volatile unsigned char *)addr = val;
+}
+EXPORT_SYMBOL(iowrite8);
+
+void memcpy_fromio(void *to, const volatile void __iomem *from, unsigned len)
+{
+	if (IS_PCI_ADDRESS(from)) {
+		if ((((u32_t)from & 0x3) == 0) && (((u32_t)to & 0x3) == 0)) {
+			while ((int)len >= 4) {
+				*(u32_t *)to = ubi32_pci_read_u32(from);
+				to += 4;
+				from += 4;
+				len -= 4;
+			}
+		} else if ((((u32_t)from & 0x1) == 0) &&
+			   (((u32_t)to & 0x1) == 0)) {
+			while ((int)len >= 2) {
+				 *(u16_t *)to = ubi32_pci_read_u16(from);
+				 to += 2;
+				 from += 2;
+				 len -= 2;
+			}
+		}
+
+		while (len) {
+			*(u8_t *)to = ubi32_pci_read_u8(from);
+			to++;
+			from++;
+			len--;
+		}
+	} else
+		memcpy(to, (void *)from, len);
+}
+EXPORT_SYMBOL(memcpy_fromio);
+
+void memcpy_toio(volatile void __iomem *to, const void *from, unsigned len)
+{
+	if (IS_PCI_ADDRESS(to)) {
+		if ((((u32_t)from & 0x3) == 0) && (((u32_t)to & 0x3) == 0)) {
+			while ((int)len >= 4) {
+				ubi32_pci_write_u32(*(u32_t *)from, to);
+				to += 4;
+				from += 4;
+				len -= 4;
+			}
+		} else if ((((u32_t)from & 0x1) == 0) &&
+			   (((u32_t)to & 0x1) == 0)) {
+			while ((int)len >= 2) {
+				ubi32_pci_write_u16(*(u16_t *)from, to);
+				to += 2;
+				from += 2;
+				len -= 2;
+			}
+		}
+
+		while (len) {
+			ubi32_pci_write_u8(*(u8_t *)from, to);
+			from++;
+			to++;
+			len--;
+		}
+	} else
+		memcpy((void *)to, from, len);
+
+}
+EXPORT_SYMBOL(memcpy_toio);
+
+void memset_io(volatile void __iomem *addr, int val, size_t len)
+{
+	if (IS_PCI_ADDRESS(addr)) {
+		while (len) {
+			ubi32_pci_write_u8((unsigned char)val, addr);
+			addr++;
+			len--;
+		}
+	} else
+		memset((void *)addr, val, len);
+
+}
+EXPORT_SYMBOL(memset_io);
+
+void ioread8_rep(void __iomem *port, void *buf, unsigned long count)
+{
+	if (IS_PCI_ADDRESS(port)) {
+		while (count) {
+			*(u8_t *)buf = ioread8(port);
+			buf++;
+			count--;
+		}
+	} else {
+		insb((unsigned int)port, buf, count);
+	}
+
+}
+EXPORT_SYMBOL(ioread8_rep);
+
+void ioread16_rep(void __iomem *port, void *buf, unsigned long count)
+{
+	if (IS_PCI_ADDRESS(port)) {
+		while (count) {
+			*(u16_t *)buf = ioread16(port);
+			buf += 2;
+			count--;
+		}
+	} else {
+		insw((unsigned int)port, buf, count);
+	}
+}
+EXPORT_SYMBOL(ioread16_rep);
+
+void ioread32_rep(void __iomem *port, void *buf, unsigned long count)
+{
+	 if (IS_PCI_ADDRESS(port)) {
+		while (count) {
+			*(u32_t *)buf = ioread32(port);
+			buf += 4;
+			count--;
+		}
+	} else {
+		insl((unsigned int)port, buf, count);
+	}
+}
+EXPORT_SYMBOL(ioread32_rep);
+
+void  iowrite8_rep(void __iomem *port, const void *buf, unsigned long count)
+{
+	  if (IS_PCI_ADDRESS(port)) {
+		while (count) {
+			iowrite8(*(u8_t *)buf, port);
+			buf++;
+			count--;
+		}
+	} else {
+		outsb((unsigned int)port, buf, count);
+	}
+
+}
+EXPORT_SYMBOL(iowrite8_rep);
+
+void  iowrite16_rep(void __iomem *port, const void *buf, unsigned long count)
+{
+	if (IS_PCI_ADDRESS(port)) {
+		while (count) {
+			iowrite16(*(u16_t *)buf, port);
+			buf += 2;
+			count--;
+		}
+	} else {
+		outsw((unsigned int)port, buf, count);
+	}
+}
+EXPORT_SYMBOL(iowrite16_rep);
+
+void  iowrite32_rep(void __iomem *port, const void *buf, unsigned long count)
+{
+	if (IS_PCI_ADDRESS(port)) {
+		while (count) {
+			iowrite32(*(u32_t *)buf, port);
+			buf += 4;
+			count--;
+		}
+	} else {
+		outsl((unsigned int)port, buf, count);
+	}
+}
+EXPORT_SYMBOL(iowrite32_rep);
+
+#endif /* CONFIG_PCI */
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-common/Kconfig.switch linux-2.6.30.10-ubi/arch/ubicom32/mach-common/Kconfig.switch
--- linux-2.6.30.10/arch/ubicom32/mach-common/Kconfig.switch	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-common/Kconfig.switch	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,12 @@
+menuconfig UBICOM_SWITCH
+	tristate "Switch devices"
+	help
+		This option provides Ethernet switch management options via proc fs
+
+if UBICOM_SWITCH
+config UBICOM_SWITCH_BCM539X
+	tristate "Broadcom BCM539X series (SPI)"
+	depends on SPI_MASTER
+	help
+		Supports Broadcom BCM539X Gigabit Ethernet Switches over SPI
+endif
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-common/Makefile linux-2.6.30.10-ubi/arch/ubicom32/mach-common/Makefile
--- linux-2.6.30.10/arch/ubicom32/mach-common/Makefile	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-common/Makefile	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,41 @@
+#
+# arch/ubicom32/mach-common/Makefile
+#	Makefile for Ubicom32 generic drivers/code.
+#
+# (C) Copyright 2009, Ubicom, Inc.
+#
+# This file is part of the Ubicom32 Linux Kernel Port.
+#
+# The Ubicom32 Linux Kernel Port is free software: you can redistribute
+# it and/or modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation, either version 2 of the
+# License, or (at your option) any later version.
+#
+# The Ubicom32 Linux Kernel Port is distributed in the hope that it
+# will be useful, but WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+# the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with the Ubicom32 Linux Kernel Port.  If not,
+# see <http://www.gnu.org/licenses/>.
+#
+# Ubicom32 implementation derived from (with many thanks):
+#   arch/m68knommu
+#   arch/blackfin
+#   arch/parisc
+#
+
+obj-y += cachectl.o common.o usb_tio.o usb.o ubi32-gpio.o board.o bootargs.o profile.o
+obj-$(CONFIG_PCI) += pci.o io.o
+
+obj-$(CONFIG_FB_UBICOM32) += vdc_tio.o
+obj-$(CONFIG_UBICOM_HID) += ubicom32hid.o
+obj-$(CONFIG_UBICOM_INPUT) += ubicom32input.o
+obj-$(CONFIG_UBICOM_INPUT_I2C) += ubicom32input_i2c.o
+obj-$(CONFIG_UBICOM_SWITCH) += switch-core.o
+obj-$(CONFIG_UBICOM_SWITCH_BCM539X) += switch-bcm539x.o
+obj-$(CONFIG_UIO_UBICOM32RING) += ring_tio.o
+obj-$(CONFIG_SND_UBI32) += audio.o
+obj-$(CONFIG_UBICOM32_PLIO) += plio.o
+
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-common/pci.c linux-2.6.30.10-ubi/arch/ubicom32/mach-common/pci.c
--- linux-2.6.30.10/arch/ubicom32/mach-common/pci.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-common/pci.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,1157 @@
+/*
+ * arch/ubicom32/mach-common/pci.c
+ *	PCI interface management.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/seq_file.h>
+#include <linux/proc_fs.h>
+
+#include <asm/devtree.h>
+#include <asm/ip5000.h>
+#include <asm/ubicom32-common.h>
+
+static int debug_pci = 1 ;
+
+/* #define PCI_USE_INTERNAL_LOCK 1 */
+
+#ifdef PCI_USE_INTERNAL_LOCK
+#define PCI_LOCK(lock, irqflag)	pci_lock_acquire(irqflag)
+#define PCI_UNLOCK(lock, irqflag) pci_lock_release(irqflag)
+#elif defined(CONFIG_SMP)
+static DEFINE_SPINLOCK(pci_master_lock);
+#define PCI_LOCK(lock, irqflag)	spin_lock_irqsave(lock, irqflag)
+#define PCI_UNLOCK(lock, irqflag) spin_unlock_irqrestore(lock, irqflag)
+#else
+#define PCI_LOCK(lock, irqflag)		local_irq_save(irqflag)
+#define PCI_UNLOCK(lock, irqflag)	local_irq_restore(irqflag)
+#endif
+
+#define PCI_DEV0_IDSEL CONFIG_PCI_DEV0_IDSEL
+#define PCI_DEV1_IDSEL CONFIG_PCI_DEV1_IDSEL
+
+/*
+ * PCI commands
+ */
+#define PCI_CMD_INT_ACK		0x00	/* not supported */
+#define PCI_CMD_SPECIAL		0x01	/* not supported */
+#define PCI_CMD_IO_READ		0x02
+#define PCI_CMD_IO_WRITE	0x03
+#define PCI_CMD_MEM_READ	0x06
+#define PCI_CMD_MEM_WRITE	0x07
+#define PCI_CMD_CFG_READ	0x0a
+#define PCI_CMD_CFG_WRITE	0x0b
+#define PCI_CMD_MEM_READ_MULT	0x0c	/* not supported */
+#define PCI_CMD_DUAL_ADDR	0x0d	/* not supported */
+#define PCI_CMD_MEM_READ_LINE	0x0e	/* not supported */
+#define PCI_CMD_MEM_WRITE_INVAL	0x0f	/* not supported */
+/*
+ * Status codes, returned by pci_read_u32() and pci_write_u32()
+ */
+#define PCI_RESP_IN_PROGRESS	0xff  /* request still in queue */
+#define PCI_RESP_OK		0
+/*
+ * The following codes indicate that the request has completed
+ */
+#define PCI_RESP_NO_DEVSEL		1  /* timeout before target asserted
+					    * DEVSEL! */
+#define PCI_RESP_LOST_DEVSEL		2  /* had DEVSEL, but went away before
+					    * transfer completed! */
+#define PCI_RESP_BAD_TRDY		3  /* target asserted TRDY without
+					    * DEVSEL! */
+#define PCI_RESP_NO_TRDY		4  /* timeout before target asserted
+					    * TRDY! */
+#define PCI_RESP_BAD_STOP		5  /* target asserted STOP and TRDY
+					    * without DEVSEL! */
+#define PCI_RESP_TARGET_ABORT		6
+#define PCI_RESP_TARGET_RETRY		7
+#define	PCI_RESP_TARGET_DISCONNECT	8
+#define PCI_RESP_MISMATCH		9  /* data read back doesn't match data
+					    * written - debug only, the core PCI
+					    * routines never return this */
+#define PCI_RESP_DET_SERR		10
+#define PCI_RESP_DET_PERR		11
+#define PCI_RESP_MALFORMED_REQ		12 /* Could be due to misaligned
+					    * requests or invalid address */
+#define PCI_RESP_NO_RESOURCE		13 /* Could be memory or other resourse
+					    * like queue space */
+#define PCI_RESP_ERROR			14 /* All emcompassing error */
+
+/* registers in PCI config space */
+#define PCI_DEVICE_VENDOR_ID_REG	0x00
+#define PCI_STATUS_COMMAND_REG		0x04
+#define PCI_CLASS_REVISION_REG		0x08
+#define PCI_BHLC_REG			0x0c  /* BIST, Header type, Latency
+					       * timer, Cache line size */
+#define PCI_BASE_ADDR_REG		0x10
+#define PCI_BASE_REG_COUNT		6
+#define CARDBUS_CIS_PTR_REG		0x28
+#define PCI_SUB_SYSTEM_ID_REG		0x2c
+#define PCI_EXP_ROM_ADDR_REG		0x30
+#define PCI_CAP_PTR_REG			0x34
+#define PCI_LGPL_REG			0x3C  /* max Latency, min Gnt, interrupt
+					       * Pin, interrupt Line */
+
+struct pci_master_request {
+	volatile u32_t pci_address;	/* must be 4-byte aligned */
+	volatile u32_t data;		/* must be 4-byte aligned */
+	volatile u8_t cmd;
+	volatile u8_t byte_valid;
+	volatile u8_t status;
+};
+
+struct pci_devnode {
+	struct devtree_node dn;
+	u32_t pci_idsel_0;
+	u32_t pci_idsel_1;
+	u32_t pci_cpu_address;
+	struct pci_master_request volatile *volatile req;
+};
+
+static struct pci_master_request req;	/* globally used for faster master write
+					 * (discarding result when possible) */
+static struct pci_devnode *pci_node;
+
+#if !defined(CONFIG_DEBUG_PCIMEASURE)
+#define PCI_DECLARE_MEASUREMENT
+#define PCI_MEASUREMENT_START()
+#define PCI_MEASUREMENT_END(idx)
+#else
+#define PCI_DECLARE_MEASUREMENT \
+	int __diff;		\
+	unsigned int __tstart;
+
+#define PCI_MEASUREMENT_START() \
+	__tstart = UBICOM32_IO_TIMER->sysval;
+
+#define PCI_MEASUREMENT_END(idx) \
+	__diff = (int)UBICOM32_IO_TIMER->sysval - (int)__tstart; \
+	pci_measurement_update((idx), __diff);
+
+#define PCI_WEIGHT 32
+
+struct pci_measurement {
+	volatile unsigned int min;
+	volatile unsigned int avg;
+	volatile unsigned int max;
+};
+
+enum pci_measurement_list {
+	PCI_MEASUREMENT_READ32,
+	PCI_MEASUREMENT_WRITE32,
+	PCI_MEASUREMENT_READ16,
+	PCI_MEASUREMENT_WRITE16,
+	PCI_MEASUREMENT_READ8,
+	PCI_MEASUREMENT_WRITE8,
+	PCI_MEASUREMENT_LAST,
+};
+
+static const char *pci_measurement_name_list[PCI_MEASUREMENT_LAST] = {
+	"READ32",
+	"WRITE32",
+	"READ16",
+	"WRITE16",
+	"READ8",
+	"WRITE8"
+};
+static struct pci_measurement pci_measurements[PCI_MEASUREMENT_LAST];
+
+/*
+ * pci_measurement_update()
+ *	Update an entry in the measurement array for this idx.
+ */
+static void pci_measurement_update(int idx, int sample)
+{
+	struct pci_measurement *pm = &pci_measurements[idx];
+	if ((pm->min == 0) || (pm->min > sample)) {
+		pm->min = sample;
+	}
+	if (pm->max < sample) {
+		pm->max = sample;
+	}
+	pm->avg = ((pm->avg * (PCI_WEIGHT - 1)) + sample) / PCI_WEIGHT;
+}
+#endif
+
+#if defined(PCI_USE_INTERNAL_LOCK)
+/*
+ * pci_lock_release()
+ *	Release the PCI lock.
+ */
+static void pci_lock_release(unsigned long irqflag)
+{
+	UBICOM32_UNLOCK(PCI_LOCK_BIT);
+}
+
+/*
+ * pci_lock_acquire()
+ *	Acquire the PCI lock, spin if not available.
+ */
+static void pci_lock_acquire(unsigned long irqflag)
+{
+	UBICOM32_LOCK(PCI_LOCK_BIT);
+}
+#endif
+
+/*
+ * pci_set_hrt_interrupt()
+ */
+static inline void pci_set_hrt_interrupt(struct pci_devnode *pci_node)
+{
+	ubicom32_set_interrupt(pci_node->dn.sendirq);
+}
+
+/*
+ * pci_read_u32()
+ *	Synchronously read 32 bits from PCI space.
+ */
+u8 pci_read_u32(u8 pci_cmd, u32 address, u32 *data)
+{
+	u8 status;
+	unsigned long irqflag;
+
+
+	/*
+	 * Fill in the request.
+	 */
+	volatile struct pci_master_request lreq;
+	PCI_DECLARE_MEASUREMENT;
+
+	lreq.pci_address = address;
+	lreq.cmd = pci_cmd;
+	lreq.byte_valid = 0xf;		/* enable all bytes */
+
+	/*
+	 * Wait for any previous request to complete and then make this request.
+	 */
+	PCI_MEASUREMENT_START();
+	PCI_LOCK(&pci_master_lock, irqflag);
+	while (unlikely(pci_node->req == &req))
+		;
+	pci_node->req = &lreq;
+	pci_set_hrt_interrupt(pci_node);
+	PCI_UNLOCK(&pci_master_lock, irqflag);
+
+	/*
+	 * Wait for the result to show up.
+	 */
+	while (unlikely(pci_node->req == &lreq))
+		;
+	status = lreq.status;
+	if (likely(status == PCI_RESP_OK))
+		*data = le32_to_cpu(lreq.data);
+	else
+		*data = 0;
+	PCI_MEASUREMENT_END(PCI_MEASUREMENT_READ32);
+	return status;
+}
+
+/*
+ * pci_write_u32()
+ *	Asyncrhnously or synchronously write 32 bits to PCI master space.
+ */
+u8 pci_write_u32(u8 pci_cmd, u32 address, u32 data)
+{
+	unsigned long irqflag;
+	PCI_DECLARE_MEASUREMENT;
+
+	/*
+	 * Wait for any previous write or pending read to complete.
+	 *
+	 * We use a global data block because once we write the request
+	 * we do not wait for it to complete before exiting.
+	 */
+	PCI_MEASUREMENT_START();
+	PCI_LOCK(&pci_master_lock, irqflag);
+	while (unlikely(pci_node->req == &req))
+		;
+	req.pci_address = address;
+	req.data = cpu_to_le32(data);
+	req.cmd = pci_cmd;
+	req.byte_valid = 0xf;		/* enable all bytes */
+	pci_node->req = &req;
+	pci_set_hrt_interrupt(pci_node);
+	PCI_UNLOCK(&pci_master_lock, irqflag);
+	PCI_MEASUREMENT_END(PCI_MEASUREMENT_WRITE32);
+	return PCI_RESP_OK;
+}
+
+/*
+ * pci_read_u16()
+ *	Synchronously read 16 bits from PCI space.
+ */
+u8 pci_read_u16(u8 pci_cmd, u32 address, u16 *data)
+{
+	u8 status;
+	unsigned long irqflag;
+
+	/*
+	 * Fill in the request.
+	 */
+	volatile struct pci_master_request lreq;
+	PCI_DECLARE_MEASUREMENT;
+
+	lreq.pci_address = address & ~2;
+	lreq.cmd = pci_cmd;
+	lreq.byte_valid = (address & 2) ? 0xc : 0x3;
+
+	/*
+	 * Wait for any previous request to complete and then make this request.
+	 */
+	PCI_MEASUREMENT_START();
+	PCI_LOCK(&pci_master_lock, irqflag);
+	while (unlikely(pci_node->req == &req))
+		;
+	pci_node->req = &lreq;
+	pci_set_hrt_interrupt(pci_node);
+	PCI_UNLOCK(&pci_master_lock, irqflag);
+
+	/*
+	 * Wait for the result to show up.
+	 */
+	while (unlikely(pci_node->req == &lreq))
+		;
+	status = lreq.status;
+	if (likely(status == PCI_RESP_OK)) {
+		lreq.data = le32_to_cpu(lreq.data);
+		*data = (u16)((address & 2) ? (lreq.data >> 16) : lreq.data);
+	} else
+		*data = 0;
+	PCI_MEASUREMENT_END(PCI_MEASUREMENT_READ16);
+	return status;
+}
+
+/*
+ * pci_write_u16()
+ *	Asyncrhnously or synchronously write 16 bits to PCI master space.
+ */
+u8 pci_write_u16(u8 pci_cmd, u32 address, u16 data)
+{
+	unsigned long irqflag;
+	PCI_DECLARE_MEASUREMENT;
+
+	/*
+	 * Wait for any previous write or pending read to complete.
+	 *
+	 * We use a global data block because once we write the request
+	 * we do not wait for it to complete before exiting.
+	 */
+	PCI_MEASUREMENT_START();
+	PCI_LOCK(&pci_master_lock, irqflag);
+	while (unlikely(pci_node->req == &req))
+		;
+	req.pci_address = address & ~2;
+	req.data = (u32)data;
+	req.data = cpu_to_le32((address & 2) ? (req.data << 16) : req.data);
+	req.cmd = pci_cmd;
+	req.byte_valid = (address & 2) ? 0xc : 0x3;
+	pci_node->req = &req;
+	pci_set_hrt_interrupt(pci_node);
+	PCI_UNLOCK(&pci_master_lock, irqflag);
+	PCI_MEASUREMENT_END(PCI_MEASUREMENT_WRITE16);
+	return PCI_RESP_OK;
+}
+
+/*
+ * pci_read_u8()
+ *	Synchronously read 8 bits from PCI space.
+ */
+u8 pci_read_u8(u8 pci_cmd, u32 address, u8 *data)
+{
+	u8 status;
+	unsigned long irqflag;
+
+	/*
+	 * Fill in the request.
+	 */
+	volatile struct pci_master_request lreq;
+	PCI_DECLARE_MEASUREMENT;
+
+	lreq.pci_address = address & ~3;
+	lreq.cmd = pci_cmd;
+	lreq.byte_valid = 1 << (address & 0x3);
+
+	/*
+	 * Wait for any previous request to complete and then make this request.
+	 */
+	PCI_MEASUREMENT_START();
+	PCI_LOCK(&pci_master_lock, irqflag);
+	while (unlikely(pci_node->req == &req))
+		;
+	pci_node->req = &lreq;
+	pci_set_hrt_interrupt(pci_node);
+	PCI_UNLOCK(&pci_master_lock, irqflag);
+
+	/*
+	 * Wait for the result to show up.
+	 */
+	while (unlikely(pci_node->req == &lreq))
+		;
+	status = lreq.status;
+	if (likely(status == PCI_RESP_OK)) {
+		*data = (u8)(lreq.data >> (24 - ((address & 0x3) << 3)));
+	} else
+		*data = 0;
+	PCI_MEASUREMENT_END(PCI_MEASUREMENT_READ8);
+	return status;
+}
+
+/*
+ * pci_write_u8()
+ *	Asyncrhnously or synchronously write 8 bits to PCI master space.
+ */
+u8 pci_write_u8(u8 pci_cmd, u32 address, u8 data)
+{
+	unsigned long irqflag;
+	PCI_DECLARE_MEASUREMENT;
+
+	/*
+	 * Wait for any previous write or pending read to complete.
+	 *
+	 * We use a global data block because once we write the request
+	 * we do not wait for it to complete before exiting.
+	 */
+	PCI_MEASUREMENT_START();
+	PCI_LOCK(&pci_master_lock, irqflag);
+	while (unlikely(pci_node->req == &req))
+		;
+	req.pci_address = address & ~3;
+	req.data = ((u32)data << (24 - ((address & 0x3) << 3)));
+	req.cmd = pci_cmd;
+	req.byte_valid = 1 << (address & 0x3);
+	pci_node->req = &req;
+	pci_set_hrt_interrupt(pci_node);
+	PCI_UNLOCK(&pci_master_lock, irqflag);
+	PCI_MEASUREMENT_END(PCI_MEASUREMENT_WRITE8);
+	return PCI_RESP_OK;
+}
+
+unsigned int ubi32_pci_read_u32(const volatile void __iomem *addr)
+{
+	unsigned int data;
+	pci_read_u32(PCI_CMD_MEM_READ, (u32)addr, &data);
+	return data;
+}
+EXPORT_SYMBOL(ubi32_pci_read_u32);
+
+unsigned short ubi32_pci_read_u16(const volatile void __iomem *addr)
+{
+	unsigned short data;
+	pci_read_u16(PCI_CMD_MEM_READ, (u32)addr, &data);
+	return data;
+}
+EXPORT_SYMBOL(ubi32_pci_read_u16);
+
+unsigned char  ubi32_pci_read_u8(const volatile void __iomem *addr)
+{
+	unsigned char  data;
+	pci_read_u8(PCI_CMD_MEM_READ, (u32)addr, &data);
+	return data;
+}
+EXPORT_SYMBOL(ubi32_pci_read_u8);
+
+void ubi32_pci_write_u32(unsigned int val, const volatile void __iomem *addr)
+{
+	pci_write_u32(PCI_CMD_MEM_WRITE, (u32)addr, val);
+}
+EXPORT_SYMBOL(ubi32_pci_write_u32);
+
+void ubi32_pci_write_u16(unsigned short val, const volatile void __iomem *addr)
+{
+	pci_write_u16(PCI_CMD_MEM_WRITE, (u32)addr, val);
+}
+EXPORT_SYMBOL(ubi32_pci_write_u16);
+
+void ubi32_pci_write_u8(unsigned char val, const void volatile __iomem *addr)
+{
+	pci_write_u8(PCI_CMD_MEM_WRITE, (u32)addr, val);
+}
+EXPORT_SYMBOL(ubi32_pci_write_u8);
+
+#if defined(CONFIG_DEBUG_PCIMEASURE)
+static unsigned int pci_cycles_to_nano(unsigned int cycles, unsigned int frequency)
+{
+	unsigned int nano = ((cycles * 1000) / (frequency / 1000000));
+	return nano;
+}
+
+/*
+ * pci_measurement_show()
+ *	Print out the min, avg, max values for each PCI transaction type.
+ *
+ * By request, the max value is reset after each dump.
+ */
+static int pci_measurement_show(struct seq_file *p, void *v)
+{
+	unsigned int min, avg, max;
+	unsigned int freq = processor_frequency();
+	int trans = *((loff_t *) v);
+
+	if (trans == 0) {
+		seq_puts(p, "min\tavg\tmax\t(nano-seconds)\n");
+	}
+
+	if (trans >= PCI_MEASUREMENT_LAST) {
+		return 0;
+	}
+
+	min = pci_cycles_to_nano(pci_measurements[trans].min, freq);
+	avg = pci_cycles_to_nano(pci_measurements[trans].avg, freq);
+	max = pci_cycles_to_nano(pci_measurements[trans].max, freq);
+	pci_measurements[trans].max = 0;
+	seq_printf(p, "%u\t%u\t%u\t%s\n", min, avg, max, pci_measurement_name_list[trans]);
+	return 0;
+}
+
+static void *pci_measurement_start(struct seq_file *f, loff_t *pos)
+{
+	return (*pos < PCI_MEASUREMENT_LAST) ? pos : NULL;
+}
+
+static void *pci_measurement_next(struct seq_file *f, void *v, loff_t *pos)
+{
+	(*pos)++;
+	if (*pos >= PCI_MEASUREMENT_LAST)
+		return NULL;
+	return pos;
+}
+
+static void pci_measurement_stop(struct seq_file *f, void *v)
+{
+	/* Nothing to do */
+}
+
+static const struct seq_operations pci_measurement_seq_ops = {
+	.start = pci_measurement_start,
+	.next  = pci_measurement_next,
+	.stop  = pci_measurement_stop,
+	.show  = pci_measurement_show,
+};
+
+static int pci_measurement_open(struct inode *inode, struct file *filp)
+{
+	return seq_open(filp, &pci_measurement_seq_ops);
+}
+
+static const struct file_operations pci_measurement_fops = {
+	.open		= pci_measurement_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= seq_release,
+};
+
+static int __init pci_measurement_init(void)
+{
+	proc_create("pci_measurements", 0, NULL, &pci_measurement_fops);
+	return 0;
+}
+module_init(pci_measurement_init);
+#endif
+
+static int ubi32_pci_read_config(struct pci_bus *bus, unsigned int devfn,
+				 int where, int size, u32 *value)
+{
+	u8 cmd;
+	u32 addr;
+	u8  data8;
+	u16 data16;
+
+	u8 slot = PCI_SLOT(devfn);
+	u8 fn = PCI_FUNC(devfn);
+
+	if (slot > 1) {
+		return PCIBIOS_DEVICE_NOT_FOUND;
+	} else if (slot == 0) {
+		addr = PCI_DEV0_IDSEL + where;
+	} else {
+		addr = PCI_DEV1_IDSEL + where;
+	}
+
+	addr += (fn << 8);
+
+	cmd = PCI_CMD_CFG_READ;
+	if (size == 1) {
+		pci_read_u8(cmd, addr, &data8);
+		*value = (u32)data8;
+	} else if (size == 2) {
+		pci_read_u16(cmd, addr, &data16);
+		*value = (u32)data16;
+	} else {
+		pci_read_u32(cmd, addr, value);
+	}
+
+	return PCIBIOS_SUCCESSFUL;
+}
+
+static int ubi32_pci_write_config(struct pci_bus *bus, unsigned int devfn,
+				  int where, int size, u32 value)
+{
+	u8 cmd;
+	u32 addr;
+	u8 slot = PCI_SLOT(devfn);
+	u8 fn = PCI_FUNC(devfn);
+
+	if (slot > 1) {
+		return PCIBIOS_DEVICE_NOT_FOUND;
+	} else if (slot == 0) {
+		addr = PCI_DEV0_IDSEL + where;
+	} else {
+		addr = PCI_DEV1_IDSEL + where;
+	}
+
+	addr += (fn << 8);
+
+	cmd = PCI_CMD_CFG_WRITE;
+	if (size == 1) {
+		pci_write_u8(cmd, addr, (u8)value);
+	} else if (size == 2) {
+		pci_write_u16(cmd, addr, (u16)value);
+	} else {
+		pci_write_u32(cmd, addr, value);
+	}
+
+	return PCIBIOS_SUCCESSFUL;
+}
+
+int pci_set_dma_max_seg_size(struct pci_dev *dev, unsigned int size)
+{
+	return -EIO;
+}
+EXPORT_SYMBOL(pci_set_dma_max_seg_size);
+
+int pci_set_dma_seg_boundary(struct pci_dev *dev, unsigned long mask)
+{
+	return -EIO;
+}
+EXPORT_SYMBOL(pci_set_dma_seg_boundary);
+
+void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
+{
+	resource_size_t start = pci_resource_start(dev, bar);
+	resource_size_t len   = pci_resource_len(dev, bar);
+	unsigned long flags = pci_resource_flags(dev, bar);
+
+	if (!len || !start) {
+		return NULL;
+	}
+
+	if (maxlen && len > maxlen) {
+		len = maxlen;
+	}
+
+	if (flags & IORESOURCE_IO) {
+		return ioport_map(start, len);
+	}
+
+	if (flags & IORESOURCE_MEM) {
+		if (flags & IORESOURCE_CACHEABLE) {
+			return ioremap(start, len);
+		}
+		return ioremap_nocache(start, len);
+	}
+	return NULL;
+}
+EXPORT_SYMBOL(pci_iomap);
+
+void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
+{
+	if ((unsigned long)addr >= VMALLOC_START &&
+	    (unsigned long)addr < VMALLOC_END) {
+		iounmap(addr);
+	}
+}
+EXPORT_SYMBOL(pci_iounmap);
+
+/*
+ *  From arch/arm/kernel/bios32.c
+ *
+ *  PCI bios-type initialisation for PCI machines
+ *
+ *  Bits taken from various places.
+ */
+static void __init pcibios_init_hw(struct hw_pci *hw)
+{
+	struct pci_sys_data *sys = NULL;
+	int ret;
+	int nr, busnr;
+
+	for (nr = busnr = 0; nr < hw->nr_controllers; nr++) {
+		sys = kzalloc(sizeof(struct pci_sys_data), GFP_KERNEL);
+		if (!sys)
+			panic("PCI: unable to allocate sys data!");
+
+		sys->hw      = hw;
+		sys->busnr   = busnr;
+		sys->map_irq = hw->map_irq;
+		sys->resource[0] = &ioport_resource;
+		sys->resource[1] = &iomem_resource;
+
+		ret = hw->setup(nr, sys);
+
+		if (ret > 0) {
+			sys->bus = hw->scan(nr, sys);
+
+			if (!sys->bus)
+				panic("PCI: unable to scan bus!");
+
+			busnr = sys->bus->subordinate + 1;
+
+			list_add(&sys->node, &hw->buses);
+		} else {
+			kfree(sys);
+			if (ret < 0)
+				break;
+		}
+	}
+}
+
+/*
+ * Swizzle the device pin each time we cross a bridge.
+ * This might update pin and returns the slot number.
+ */
+static u8 __devinit pcibios_swizzle(struct pci_dev *dev, u8 *pin)
+{
+	struct pci_sys_data *sys = dev->sysdata;
+	int slot = 0, oldpin = *pin;
+
+	if (sys->swizzle)
+		slot = sys->swizzle(dev, pin);
+
+	if (debug_pci)
+		printk("PCI: %s swizzling pin %d => pin %d slot %d\n",
+			pci_name(dev), oldpin, *pin, slot);
+	return slot;
+}
+
+/*
+ * Map a slot/pin to an IRQ.
+ */
+static int pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+	struct pci_sys_data *sys = dev->sysdata;
+	int irq = -1;
+
+	if (sys->map_irq)
+		irq = sys->map_irq(dev, slot, pin);
+
+	if (debug_pci)
+		printk("PCI: %s mapping slot %d pin %d => irq %d\n",
+			pci_name(dev), slot, pin, irq);
+
+	return irq;
+}
+
+void __init pci_common_init(struct hw_pci *hw)
+{
+	struct pci_sys_data *sys;
+
+	INIT_LIST_HEAD(&hw->buses);
+
+	if (hw->preinit)
+		hw->preinit();
+	pcibios_init_hw(hw);
+	if (hw->postinit)
+		hw->postinit();
+
+	pci_fixup_irqs(pcibios_swizzle, pcibios_map_irq);
+	list_for_each_entry(sys, &hw->buses, node) {
+		struct pci_bus *bus = sys->bus;
+		/*
+		 * Size the bridge windows.
+		 */
+		pci_bus_size_bridges(bus);
+		/*
+		 * Assign resources.
+		 */
+		pci_bus_assign_resources(bus);
+
+		/*
+		 * Tell drivers about devices found.
+		 */
+		pci_bus_add_devices(bus);
+	}
+}
+
+char * __init pcibios_setup(char *str)
+{
+	if (!strcmp(str, "debug")) {
+		debug_pci = 1;
+		return NULL;
+	}
+	return str;
+}
+
+/*
+ * From arch/i386/kernel/pci-i386.c:
+ *
+ * We need to avoid collisions with `mirrored' VGA ports
+ * and other strange ISA hardware, so we always want the
+ * addresses to be allocated in the 0x000-0x0ff region
+ * modulo 0x400.
+ *
+ * Why? Because some silly external IO cards only decode
+ * the low 10 bits of the IO address. The 0x00-0xff region
+ * is reserved for motherboard devices that decode all 16
+ * bits, so it's ok to allocate at, say, 0x2800-0x28ff,
+ * but we want to try to avoid allocating at 0x2900-0x2bff
+ * which might be mirrored at 0x0100-0x03ff..
+ */
+void pcibios_align_resource(void *data, struct resource *res,
+			    resource_size_t size, resource_size_t align)
+{
+	resource_size_t start = res->start;
+
+	if (res->flags & IORESOURCE_IO && start & 0x300)
+		start = (start + 0x3ff) & ~0x3ff;
+
+	res->start = (start + align - 1) & ~(align - 1);
+}
+
+
+void __devinit pcibios_update_irq(struct pci_dev *dev, int irq)
+{
+	if (debug_pci)
+		printk("PCI: Assigning IRQ %02d to %s\n", irq, pci_name(dev));
+	pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
+}
+
+/*
+ * If the bus contains any of these devices, then we must not turn on
+ * parity checking of any kind.  Currently this is CyberPro 20x0 only.
+ */
+static inline int pdev_bad_for_parity(struct pci_dev *dev)
+{
+	return (dev->vendor == PCI_VENDOR_ID_INTERG &&
+		(dev->device == PCI_DEVICE_ID_INTERG_2000 ||
+		 dev->device == PCI_DEVICE_ID_INTERG_2010)) ||
+		(dev->vendor == PCI_VENDOR_ID_ITE &&
+		 dev->device == PCI_DEVICE_ID_ITE_8152);
+
+}
+
+/*
+ * Adjust the device resources from bus-centric to Linux-centric.
+ */
+static void __devinit
+pdev_fixup_device_resources(struct pci_sys_data *root, struct pci_dev *dev)
+{
+	resource_size_t offset;
+	int i;
+
+	for (i = 0; i < PCI_NUM_RESOURCES; i++) {
+		if (dev->resource[i].start == 0)
+			continue;
+		if (dev->resource[i].flags & IORESOURCE_MEM)
+			offset = root->mem_offset;
+		else
+			offset = root->io_offset;
+
+		dev->resource[i].start += offset;
+		dev->resource[i].end   += offset;
+	}
+}
+
+static void __devinit
+pbus_assign_bus_resources(struct pci_bus *bus, struct pci_sys_data *root)
+{
+	struct pci_dev *dev = bus->self;
+	int i;
+
+	if (!dev) {
+		/*
+		 * Assign root bus resources.
+		 */
+		for (i = 0; i < 3; i++)
+			bus->resource[i] = root->resource[i];
+	}
+}
+
+/*
+ * pcibios_fixup_bus - Called after each bus is probed,
+ * but before its children are examined.
+ */
+void pcibios_fixup_bus(struct pci_bus *bus)
+{
+	struct pci_sys_data *root = bus->sysdata;
+	struct pci_dev *dev;
+	u16 features = PCI_COMMAND_SERR | PCI_COMMAND_PARITY |
+		PCI_COMMAND_FAST_BACK;
+
+	pbus_assign_bus_resources(bus, root);
+
+	/*
+	 * Walk the devices on this bus, working out what we can
+	 * and can't support.
+	 */
+	list_for_each_entry(dev, &bus->devices, bus_list) {
+		u16 status;
+
+		pdev_fixup_device_resources(root, dev);
+
+		pci_read_config_word(dev, PCI_STATUS, &status);
+
+		/*
+		 * If any device on this bus does not support fast back
+		 * to back transfers, then the bus as a whole is not able
+		 * to support them.  Having fast back to back transfers
+		 * on saves us one PCI cycle per transaction.
+		 */
+		if (!(status & PCI_STATUS_FAST_BACK))
+			features &= ~PCI_COMMAND_FAST_BACK;
+
+		if (pdev_bad_for_parity(dev))
+			features &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
+
+		switch (dev->class >> 8) {
+		case PCI_CLASS_BRIDGE_PCI:
+			pci_read_config_word(dev, PCI_BRIDGE_CONTROL, &status);
+			status |= PCI_BRIDGE_CTL_PARITY |
+				PCI_BRIDGE_CTL_MASTER_ABORT;
+			status &= ~(PCI_BRIDGE_CTL_BUS_RESET |
+				    PCI_BRIDGE_CTL_FAST_BACK);
+			pci_write_config_word(dev, PCI_BRIDGE_CONTROL, status);
+			break;
+
+		case PCI_CLASS_BRIDGE_CARDBUS:
+			pci_read_config_word(dev, PCI_CB_BRIDGE_CONTROL,
+					     &status);
+			status |= PCI_CB_BRIDGE_CTL_PARITY |
+				PCI_CB_BRIDGE_CTL_MASTER_ABORT;
+			pci_write_config_word(dev, PCI_CB_BRIDGE_CONTROL,
+					      status);
+			break;
+		}
+	}
+
+	/*
+	 * Now walk the devices again, this time setting them up.
+	 */
+	list_for_each_entry(dev, &bus->devices, bus_list) {
+		u16 cmd;
+
+		pci_read_config_word(dev, PCI_COMMAND, &cmd);
+		cmd |= features;
+		pci_write_config_word(dev, PCI_COMMAND, cmd);
+
+		pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE,
+				      L1_CACHE_BYTES >> 2);
+	}
+
+	/*
+	 * Propagate the flags to the PCI bridge.
+	 */
+	if (bus->self && bus->self->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
+		if (features & PCI_COMMAND_FAST_BACK)
+			bus->bridge_ctl |= PCI_BRIDGE_CTL_FAST_BACK;
+		if (features & PCI_COMMAND_PARITY)
+			bus->bridge_ctl |= PCI_BRIDGE_CTL_PARITY;
+	}
+
+	/*
+	 * Report what we did for this bus
+	 */
+	printk(KERN_INFO "PCI: bus%d: Fast back to back transfers %sabled\n",
+		bus->number, (features & PCI_COMMAND_FAST_BACK) ? "en" : "dis");
+}
+/*
+ * Convert from Linux-centric to bus-centric addresses for bridge devices.
+ */
+void
+pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
+			 struct resource *res)
+{
+	struct pci_sys_data *root = dev->sysdata;
+	unsigned long offset = 0;
+
+	if (res->flags & IORESOURCE_IO)
+		offset = root->io_offset;
+	if (res->flags & IORESOURCE_MEM)
+		offset = root->mem_offset;
+
+	region->start = res->start - offset;
+	region->end   = res->end - offset;
+}
+
+void __devinit
+pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
+			struct pci_bus_region *region)
+{
+	struct pci_sys_data *root = dev->sysdata;
+	unsigned long offset = 0;
+
+	if (res->flags & IORESOURCE_IO)
+		offset = root->io_offset;
+	if (res->flags & IORESOURCE_MEM)
+		offset = root->mem_offset;
+
+	res->start = region->start + offset;
+	res->end   = region->end + offset;
+}
+
+#ifdef CONFIG_HOTPLUG
+EXPORT_SYMBOL(pcibios_fixup_bus);
+EXPORT_SYMBOL(pcibios_resource_to_bus);
+EXPORT_SYMBOL(pcibios_bus_to_resource);
+#endif
+
+/**
+ * pcibios_enable_device - Enable I/O and memory.
+ * @dev: PCI device to be enabled
+ */
+int pcibios_enable_device(struct pci_dev *dev, int mask)
+{
+	u16 cmd, old_cmd;
+	int idx;
+	struct resource *r;
+
+	pci_read_config_word(dev, PCI_COMMAND, &cmd);
+	old_cmd = cmd;
+	for (idx = 0; idx < 6; idx++) {
+		/* Only set up the requested stuff */
+		if (!(mask & (1 << idx)))
+			continue;
+
+		r = dev->resource + idx;
+		if (!r->start && r->end) {
+			printk(KERN_ERR "PCI: Device %s not available because"
+			       " of resource collisions\n", pci_name(dev));
+			return -EINVAL;
+		}
+		if (r->flags & IORESOURCE_IO)
+			cmd |= PCI_COMMAND_IO;
+		if (r->flags & IORESOURCE_MEM)
+			cmd |= PCI_COMMAND_MEMORY;
+	}
+
+	/*
+	 * Bridges (eg, cardbus bridges) need to be fully enabled
+	 */
+	if ((dev->class >> 16) == PCI_BASE_CLASS_BRIDGE)
+		cmd |= PCI_COMMAND_IO | PCI_COMMAND_MEMORY;
+
+	if (cmd != old_cmd) {
+		printk("PCI: enabling device %s (%04x -> %04x)\n",
+		       pci_name(dev), old_cmd, cmd);
+		pci_write_config_word(dev, PCI_COMMAND, cmd);
+	}
+	return 0;
+}
+
+
+struct pci_ops ubi32_pci_ops = {
+	.read   = ubi32_pci_read_config,
+	.write  = ubi32_pci_write_config,
+};
+
+static struct pci_bus *ubi32_pci_scan_bus(int nr, struct pci_sys_data *sys)
+{
+	return pci_scan_bus(sys->busnr, &ubi32_pci_ops, sys);
+}
+
+#define UBI32_PCI_MEM_BASE PCI_DEV_REG_BASE
+#define UBI32_PCI_MEM_LEN  0x80000000
+
+#define UBI32_PCI_IO_BASE 0x0
+#define UBI32_PCI_IO_END  0x0
+
+static struct resource ubi32_pci_mem = {
+	.name	= "PCI memory space",
+	.start	= UBI32_PCI_MEM_BASE,
+	.end	= UBI32_PCI_MEM_BASE + UBI32_PCI_MEM_LEN - 1,
+	.flags	= IORESOURCE_MEM,
+};
+
+static struct resource ubi32_pci_io = {
+	.name	= "PCI IO space",
+	.start	= UBI32_PCI_IO_BASE,
+	.end	= UBI32_PCI_IO_END,
+	.flags	= IORESOURCE_IO,
+};
+
+static int __init ubi32_pci_setup(int nr, struct pci_sys_data *sys)
+{
+	if (nr > 0)
+		return 0;
+
+	request_resource(&iomem_resource, &ubi32_pci_mem);
+	request_resource(&ioport_resource, &ubi32_pci_io);
+
+	sys->resource[0] = &ubi32_pci_io;
+	sys->resource[1] = &ubi32_pci_mem;
+	sys->resource[2] = NULL;
+
+	return 1;
+}
+
+static void __init ubi32_pci_preinit(void)
+{
+}
+
+static int __init ubi32_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+	return pci_node->dn.recvirq;
+}
+
+struct hw_pci ubi32_pci __initdata = {
+	.nr_controllers	= 1,
+	.preinit	= ubi32_pci_preinit,
+	.setup		= ubi32_pci_setup,
+	.scan		= ubi32_pci_scan_bus,
+	.map_irq	= ubi32_pci_map_irq,
+};
+
+static int __init ubi32_pci_init(void)
+{
+	pci_node = (struct pci_devnode *)devtree_find_node("pci");
+	if (pci_node == NULL) {
+		printk(KERN_WARNING "PCI init failed\n");
+		return -ENOSYS;
+	}
+	pci_common_init(&ubi32_pci);
+	return 0;
+}
+
+subsys_initcall(ubi32_pci_init);
+
+/*
+ * workaround for dual PCI card interrupt
+ */
+#define PCI_COMMON_INT_BIT (1 << 19)
+void ubi32_pci_int_wr(void)
+{
+	volatile unsigned int pci_int_line;
+	pci_int_line = UBICOM32_IO_PORT(RB)->gpio_in;
+	if (!(pci_int_line & PCI_COMMON_INT_BIT))
+	{
+		ubicom32_set_interrupt(pci_node->dn.recvirq);
+	}
+}
+EXPORT_SYMBOL(ubi32_pci_int_wr);
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-common/plio.c linux-2.6.30.10-ubi/arch/ubicom32/mach-common/plio.c
--- linux-2.6.30.10/arch/ubicom32/mach-common/plio.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-common/plio.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,92 @@
+/*
+ * plio.c
+ *	PLIO state machine support functions
+ *
+ * Copyright  2009 Ubicom Inc. <www.ubicom.com>.  All rights reserved.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General
+ * Public License as published by the Free Software Foundation, either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/delay.h>
+#include <asm/plio.h>
+
+/*
+ * plio_reset
+ * 	Select and reset PLIO function
+ */
+static void plio_reset(const plio_fctl_t *plio_fctl) {
+	plio_io_function_t plio_function = {
+		.fn_sel		= PLIO_FN,
+		.fn_reset	= 1,
+	};
+
+	/*
+	 * enable extension port
+	 */
+	PEXT_NBR->function = plio_function;
+
+	/*
+	 * program clock dividers
+	 */
+	PLIO_NBR->fctl2 = plio_fctl->fctl2;
+
+	/*
+	 * select plio function and assert function reset
+	 */
+	plio_function.br_thread = thread_get_self();
+	plio_function.fn_reset = 1;
+	PLIO_NBR->function = plio_function;
+
+	/*
+	 * program plio controls
+	 */
+	PLIO_NBR->fctl0 = plio_fctl->fctl0;
+	PLIO_NBR->fctl1 = plio_fctl->fctl1;
+
+	/*
+	 * deassert function reset
+	 */
+	plio_function.fn_reset = 0;
+	PLIO_NBR->function = plio_function;
+}
+
+/*
+ * plio_init
+ *	configure and initialize PLIO.
+ */
+void plio_init(const plio_fctl_t *plio_fctl, const plio_config_t *plio_config, const plio_sram_t plio_sram_cfg[], int sram_cfg_size){
+	/*
+	 * first reset to start plio clock
+	 */
+	plio_reset(plio_fctl);
+
+	udelay(1);
+
+	/*
+	 * configure pfsm
+	 */
+	PLIO_NBR->fctl0.pfsm_prog = 1;
+	memcpy(PLIO_BR->pfsm_sram, plio_sram_cfg, sram_cfg_size);
+	PLIO_NBR->fctl0.pfsm_prog = 0;
+
+	/*
+	 * program rest of plio
+	 */
+	memcpy(&PLIO_BR->config, plio_config, sizeof(plio_config_t));
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-common/profile.c linux-2.6.30.10-ubi/arch/ubicom32/mach-common/profile.c
--- linux-2.6.30.10/arch/ubicom32/mach-common/profile.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-common/profile.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,549 @@
+/*
+ * arch/ubicom32/mach-common/profile.c
+ *   Implementation for Ubicom32 Profiler
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/platform_device.h>
+#include "profile.h"
+#include <linux/seq_file.h>
+#include <linux/proc_fs.h>
+#include <linux/mm.h>
+#include <linux/mmzone.h>
+#include <linux/fs.h>
+#include <linux/page-flags.h>
+#include <asm/uaccess.h>
+#include <asm/devtree.h>
+#include <asm/profilesample.h>
+#include <asm/memory_map.h>
+#include <asm/page.h>
+#include <asm/ip5000.h>
+
+/*
+ * spacs for all memory blocks so we can hold locks for short time when walking tables
+ */
+#define PROFILE_NUM_MAPS 5000
+static struct profile_map profile_pm[PROFILE_NUM_MAPS];
+
+static struct profilenode *node = NULL;
+static int profile_first_packet = 1;
+
+static int profile_open(struct inode *inode, struct file *filp)
+{
+	if (!node) {
+		return -ENOENT;
+	}
+	node->busy = 1;
+	if (!node->enabled) {
+		node->enabled = 1;
+		node->busy = 0;
+		profile_first_packet = 1;
+		return 0;
+	}
+	node->busy = 0;
+	return -EBUSY;
+}
+
+static int profile_sequence_num;
+
+/*
+ * make a packet full of sample data
+ */
+static int profile_make_data_packet(char *buf, int count)
+{
+	int samples;		/* number of samples requested */
+	int i;
+	struct profile_header ph;
+	char *ptr;
+
+	if (count < sizeof(struct profile_header) + sizeof(struct profile_sample)) {
+		return -EINVAL;
+	}
+
+	/*
+	 * fill in the packet header
+	 */
+	memset(&ph, 0, sizeof(struct profile_header));
+	ph.magic = PROF_MAGIC + PROFILE_VERSION;
+	ph.header_size = sizeof(struct profile_header);
+	ph.clocks = node->clocks;
+	for (i = 0; i < PROFILE_MAX_THREADS; ++i) {
+		ph.instruction_count[i] = node->inst_count[i];
+	}
+	ph.profile_instructions = 0;
+	ph.enabled = node->enabled_threads;
+	ph.hrt = node->hrt;
+	ph.high = 0;
+	ph.profiler_thread = node->profiler_thread;
+	ph.clock_freq = node->clock_freq;
+	ph.seq_num = profile_sequence_num++;
+	ph.cpu_id = node->cpu_id;
+	ph.perf_counters[0] = node->stats[0];
+	ph.perf_counters[1] = node->stats[1];
+	ph.perf_counters[2] = node->stats[2];
+	ph.perf_counters[3] = node->stats[3];
+	ph.ddr_freq = node->ddr_freq;
+
+	ptr = buf + sizeof(struct profile_header);
+
+	samples = (count - sizeof(struct profile_header)) / sizeof(struct profile_sample);
+	for (i = 0; i < samples && node->count; ++i) {
+		if (copy_to_user(ptr, &node->samples[node->tail], sizeof(struct profile_sample)) != 0) {
+			return -EFAULT;
+		}
+		node->count--;
+		node->tail++;
+		if (node->tail >= node->max_samples) {
+			node->tail = 0;
+		}
+		ptr += sizeof(struct profile_sample);
+	}
+	ph.sample_count = i;
+	if (copy_to_user(buf, &ph, sizeof(struct profile_header)) != 0) {
+		return -EFAULT;
+	}
+	if (ph.sample_count == 0)
+		return 0;
+	else
+		return sizeof(struct profile_header) + ph.sample_count * sizeof(struct profile_sample);
+}
+
+static void profile_get_memory_stats(unsigned int *total_free, unsigned int *max_free)
+{
+	struct list_head *p;
+	struct zone *zone;
+	unsigned int size;
+
+	*total_free = 0;
+	*max_free = 0;
+
+	/*
+	 * get all the free regions.  In each zone, the array of free_area lists contains the first page of each frame of size 1 << order
+	 */
+	for_each_zone(zone) {
+		unsigned long order, flags, i;
+
+		if (!populated_zone(zone))
+			continue;
+
+		if (!is_normal(zone))
+			continue;
+
+		spin_lock_irqsave(&zone->lock, flags);
+		for_each_migratetype_order(order, i) {
+			size = ((1 << order) << PAGE_SHIFT) >> 10;
+			list_for_each(p, &(zone->free_area[order].free_list[i])) {
+				if (size > *max_free) {
+					*max_free = size;
+				}
+				*total_free += size;
+			}
+		}
+		spin_unlock_irqrestore(&zone->lock, flags);
+	}
+}
+
+struct profile_counter_pkt profile_builtin_stats[] =
+{
+	{
+	"Free memory(KB)", 0
+	},
+	{
+	"Max free Block(KB)", 0
+	}
+};
+
+/*
+ * make a packet full of performance counters
+ */
+static char prof_pkt[PROFILE_MAX_PACKET_SIZE];
+static int profile_make_stats_packet(char *buf, int count)
+{
+	char *ptr = prof_pkt;
+	struct profile_header_counters hdr;
+	int stat_count = 0;
+	int i;
+	unsigned int total_free, max_free;
+	int builtin_count = sizeof(profile_builtin_stats) / sizeof(struct profile_counter_pkt);
+
+	if (count > PROFILE_MAX_PACKET_SIZE) {
+		count = PROFILE_MAX_PACKET_SIZE;
+	}
+	stat_count = (count - sizeof(struct profile_header_counters)) / sizeof (struct profile_counter_pkt);
+	stat_count -= builtin_count;
+
+	if (stat_count <= 0) {
+		return 0;
+	}
+
+	if (stat_count > node->num_counters) {
+		stat_count = node->num_counters;
+	}
+
+	hdr.magic = PROF_MAGIC_COUNTERS;
+	hdr.ultra_sample_time = node->clocks;
+	hdr.ultra_count = stat_count;
+	hdr.linux_sample_time = UBICOM32_IO_TIMER->sysval;
+	hdr.linux_count = builtin_count;
+	memcpy(ptr, (void *)&hdr, sizeof(struct profile_header_counters));
+	ptr += sizeof(struct profile_header_counters);
+
+
+	for (i = 0; i < stat_count; ++i) {
+		memcpy(ptr, (void *)(&(node->counters[i])), sizeof(struct profile_counter));
+		ptr += sizeof(struct profile_counter);
+	}
+
+	/*
+	 * built in statistics
+	 */
+	profile_get_memory_stats(&total_free, &max_free);
+	profile_builtin_stats[0].value = total_free;
+	profile_builtin_stats[1].value = max_free;
+	memcpy(ptr, (void *)profile_builtin_stats, sizeof(profile_builtin_stats));
+	ptr += sizeof(profile_builtin_stats);
+
+	if (copy_to_user(buf, prof_pkt, ptr - prof_pkt) != 0) {
+		return -EFAULT;
+	}
+	return ptr - prof_pkt;
+}
+
+/*
+ * return a udp packet ready to send to the profiler tool
+ * when there are no packets left to make, return 0
+ */
+static int profile_read(struct file *filp, char *buf, size_t count, loff_t *f_pos)
+{
+	int result = 0;
+	if (!node) {
+		return -ENOENT;
+	}
+	node->busy = 1;
+	if (!node->enabled) {
+		node->busy = 0;
+		return -EPERM;
+	}
+	if (!node->samples) {
+		node->busy = 0;
+		return -ENOMEM;
+	}
+
+	if (profile_first_packet) {
+		result = profile_make_stats_packet(buf, count);
+		profile_first_packet = 0;
+	}
+	if (result == 0) {
+		result = profile_make_data_packet(buf, count);
+		if (result == 0) {
+			profile_first_packet = 1;
+		}
+	}
+	node->busy = 0;
+	return result;
+
+}
+
+static int profile_release(struct inode *inode, struct file *filp)
+{
+	if (!node) {
+		return -ENOENT;
+	}
+	node->busy = 1;
+	if (node->enabled) {
+		node->enabled = 0;
+		node->count = 0;
+		node->tail = node->head;
+		node->busy = 0;
+		return 0;
+	}
+	node->busy = 0;
+	profile_first_packet = 1;
+	return -EBADF;
+}
+
+static const struct file_operations profile_fops = {
+	.open		= profile_open,
+	.read		= profile_read,
+	.release	= profile_release,
+};
+
+static int page_aligned(void *x)
+{
+	return !((unsigned int)x & ((1 << PAGE_SHIFT) - 1));
+}
+
+static int profile_maps_open(struct inode *inode, struct file *filp)
+{
+	struct rb_node *rb;
+	int num = 0;
+	int slab_start;
+	struct vm_area_struct *vma;
+	int type = PROFILE_MAP_TYPE_UNKNOWN;
+	int flags, i;
+	struct list_head *p;
+	struct zone *zone;
+
+	/*
+	 * get the slab data (first so dups will show up as vmas)
+	 */
+	slab_start = num;
+	num += kmem_cache_block_info("size-512", (struct kmem_cache_size_info *)&profile_pm[num], PROFILE_NUM_MAPS - num);
+	num += kmem_cache_block_info("size-1024", (struct kmem_cache_size_info *)&profile_pm[num], PROFILE_NUM_MAPS - num);
+	num += kmem_cache_block_info("size-2048", (struct kmem_cache_size_info *)&profile_pm[num], PROFILE_NUM_MAPS - num);
+	num += kmem_cache_block_info("size-4096", (struct kmem_cache_size_info *)&profile_pm[num], PROFILE_NUM_MAPS - num);
+	num += kmem_cache_block_info("size-8192", (struct kmem_cache_size_info *)&profile_pm[num], PROFILE_NUM_MAPS - num);
+
+	for (i = slab_start; i < num; ++i) {
+		profile_pm[i].type_size |= PROFILE_MAP_TYPE_SMALL << PROFILE_MAP_TYPE_SHIFT;
+	}
+
+	slab_start = num;
+	num += kmem_cache_block_info("dentry", (struct kmem_cache_size_info *)&profile_pm[num], PROFILE_NUM_MAPS - num);
+	num += kmem_cache_block_info("inode_cache", (struct kmem_cache_size_info *)&profile_pm[num], PROFILE_NUM_MAPS - num);
+	num += kmem_cache_block_info("sysfs_dir_cache", (struct kmem_cache_size_info *)&profile_pm[num], PROFILE_NUM_MAPS - num);
+	num += kmem_cache_block_info("proc_inode_cache", (struct kmem_cache_size_info *)&profile_pm[num], PROFILE_NUM_MAPS - num);
+
+	for (i = slab_start; i < num; ++i) {
+		profile_pm[i].type_size |= PROFILE_MAP_TYPE_FS << PROFILE_MAP_TYPE_SHIFT;
+	}
+
+	/*
+	 * get all the vma regions (allocated by mmap, most likely
+	 */
+#if 0
+	down_read(&nommu_vma_sem);
+	for (rb = rb_first(&nommu_vma_tree); rb && num < PROFILE_NUM_MAPS; rb = rb_next(rb)) {
+		vma = rb_entry(rb, struct vm_area_struct, vm_rb);
+		profile_pm[num].start = (vma->vm_start - SDRAMSTART) >> PAGE_SHIFT;
+		profile_pm[num].type_size = (vma->vm_end - vma->vm_start + (1 << PAGE_SHIFT) - 1) >> PAGE_SHIFT;
+		flags = vma->vm_flags & 0xf;
+		if (flags == (VM_READ | VM_EXEC)) {
+			type = PROFILE_MAP_TYPE_TEXT;
+		} else if (flags == (VM_READ | VM_WRITE | VM_EXEC)) {
+			type = PROFILE_MAP_TYPE_STACK;
+		} else if (flags == (VM_READ | VM_WRITE)) {
+			type = PROFILE_MAP_TYPE_APP_DATA;
+		}
+		profile_pm[num].type_size |= type << PROFILE_MAP_TYPE_SHIFT;
+		num++;
+	}
+	up_read(&nommu_vma_sem);
+	if (rb) {
+		return -ENOMEM;
+	}
+#endif
+
+	/*
+	 * get all the free regions.  In each zone, the array of free_area lists contains the first page of each frame of size 1 << order
+	 */
+	for_each_zone(zone) {
+		unsigned long order, flags, i;
+		struct page *page;
+
+		if (!populated_zone(zone))
+			continue;
+
+		if (!is_normal(zone))
+			continue;
+
+		spin_lock_irqsave(&zone->lock, flags);
+		for_each_migratetype_order(order, i) {
+			list_for_each(p, &(zone->free_area[order].free_list[i])) {
+				page = list_entry(p, struct page, lru);
+				profile_pm[num].start = ((page_to_phys(page) - SDRAMSTART) >> PAGE_SHIFT) - 0x40;
+				profile_pm[num].type_size = (PROFILE_MAP_TYPE_FREE << PROFILE_MAP_TYPE_SHIFT) | order;
+				num++;
+				if (num >= PROFILE_NUM_MAPS) {
+					spin_unlock_irqrestore(&zone->lock, flags);
+					return -ENOMEM;
+				}
+			}
+		}
+		spin_unlock_irqrestore(&zone->lock, flags);
+	}
+
+	/*
+	 * get the filesystem inodes
+	 */
+	list_for_each(p, &(super_blocks)) {
+		struct super_block *sb;
+		struct list_head *q;
+		if (num >= PROFILE_NUM_MAPS)
+			break;
+		sb = list_entry(p, struct super_block, s_list);
+		if (page_aligned(sb)) {
+			profile_pm[num].start = ((unsigned int)sb - SDRAMSTART) >> PAGE_SHIFT;
+			profile_pm[num].type_size = (PROFILE_MAP_TYPE_FS << PROFILE_MAP_TYPE_SHIFT);
+			num++;
+		}
+		list_for_each(q, &(sb->s_inodes)) {
+			struct inode *in;
+			if (num >= PROFILE_NUM_MAPS)
+				break;
+			in = list_entry(q, struct inode, i_sb_list);
+			if (page_aligned(in)) {
+				profile_pm[num].start = ((unsigned int)in - SDRAMSTART) >> PAGE_SHIFT;
+				profile_pm[num].type_size = (PROFILE_MAP_TYPE_FS << PROFILE_MAP_TYPE_SHIFT);
+				num++;
+			}
+		}
+	}
+
+	/*
+	 * get the buffer cache pages
+	 */
+	for (i = 0; i < num_physpages && num < PROFILE_NUM_MAPS; ++i) {
+		if ((mem_map + i)->flags & (1 << PG_lru)) {
+			int start = i;
+			while ((mem_map + i)->flags & (1 << PG_lru) && i < num_physpages)
+				i++;
+			profile_pm[num].start = start;
+			profile_pm[num].type_size = (i - start) | (PROFILE_MAP_TYPE_CACHE << PROFILE_MAP_TYPE_SHIFT);
+			num++;
+		}
+	}
+
+	filp->private_data = (void *)num;
+	return 0;
+}
+
+/*
+ * return one packet of map data, or 0 if all maps have been returned already
+ */
+static int profile_maps_read(struct file *filp, char *buf, size_t count, loff_t *f_pos)
+{
+	struct profile_header_maps header;
+	char *p = buf + sizeof(header);
+	int total = (int)filp->private_data;
+
+	header.count = (count - sizeof(header)) / sizeof(struct profile_map);
+	if (header.count > PROFILE_MAX_MAPS) {
+		header.count = PROFILE_MAX_MAPS;;
+	}
+	if (header.count > total - *f_pos) {
+		header.count = total - *f_pos;
+	}
+
+	if (header.count == 0) {
+		return 0;
+	}
+
+	header.magic = PROF_MAGIC_MAPS;
+	header.page_shift = PAGE_SHIFT;
+
+	if (copy_to_user(buf, &header, sizeof(header)) != 0) {
+		return -EFAULT;
+	}
+	if (copy_to_user(p, (void *)&profile_pm[*f_pos], sizeof(struct profile_map) * header.count) != 0) {
+		return -EFAULT;
+	}
+	*f_pos += header.count;
+
+	return sizeof(header) + sizeof(struct profile_map) * header.count;
+}
+
+static int profile_maps_release(struct inode *inode, struct file *filp)
+{
+	return 0;
+}
+
+static const struct file_operations profile_maps_fops = {
+	.open		= profile_maps_open,
+	.read		= profile_maps_read,
+	.release	= profile_maps_release,
+};
+
+static int profile_rate_show(struct seq_file *m, void *v)
+{
+	if (node) {
+		seq_printf(m, "%d samples per second.  %d virtual counters.\n", node->rate, node->num_counters);
+	} else {
+		seq_printf(m, "Profiler is not initialized.\n");
+	}
+	return 0;
+}
+
+static int profile_rate_open(struct inode *inode, struct file *filp)
+{
+	return single_open(filp, profile_rate_show, NULL);
+}
+
+static int profile_rate_write(struct file *filp, const char *buf, size_t len, loff_t *off)
+{
+	*off = 0;
+	return 0;
+}
+
+static const struct file_operations profile_rate_fops = {
+	.open		= profile_rate_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+	.write		= profile_rate_write,
+};
+
+int ubi32_profile_init_module(void)
+{
+	struct proc_dir_entry *pdir;
+
+	/*
+	 * find the device
+	 */
+	node = (struct profilenode *)devtree_find_node("profiler");
+	if (!node) {
+		printk(KERN_INFO "Profiler does not exist.\n");
+		return -ENODEV;
+	}
+
+	/*
+	 * allocate the sample buffer
+	 */
+	node->max_samples = PROFILE_MAX_SAMPLES;
+	node->samples = kmalloc(node->max_samples * sizeof(struct profile_sample), GFP_KERNEL);
+	if (!node->samples) {
+		printk(KERN_INFO "Profiler sample buffer kmalloc failed.\n");
+		return -ENOMEM;
+	}
+
+	/*
+	 * connect to the file system
+	 */
+	pdir = proc_mkdir("profile", NULL);
+	if (!pdir) {
+		return -ENOMEM;
+	}
+	if (!proc_create("data", 0, pdir, &profile_fops)) {
+		return -ENOMEM;
+	}
+	if (!proc_create("rate", 0, pdir, &profile_rate_fops)) {
+		return -ENOMEM;
+	}
+	if (!proc_create("maps", 0, pdir, &profile_maps_fops)) {
+		return -ENOMEM;
+	}
+	return 0;
+}
+
+
+module_init(ubi32_profile_init_module);
+
+MODULE_AUTHOR("David Fotland");
+MODULE_LICENSE("GPL");
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-common/profile.h linux-2.6.30.10-ubi/arch/ubicom32/mach-common/profile.h
--- linux-2.6.30.10/arch/ubicom32/mach-common/profile.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-common/profile.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,82 @@
+/*
+ * arch/ubicom32/mach-common/profile.h
+ *   Private data for the profile module
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/types.h>
+#include <asm/devtree.h>
+#include "profpkt.h"
+
+#ifndef _PROFILE_H_
+#define _PROFILE_H_
+
+#define PROFILE_MAX_THREADS 16
+#define PROFILE_MAX_SAMPLES 1024
+
+struct profile_sample;
+struct oprofile_sample;
+
+/*
+ * values chosen so all counter values fit in a single UDP packet
+ */
+#define PROFILE_NODE_MAX_COUNTERS 32
+
+struct profile_counter {
+	char name[PROFILE_COUNTER_NAME_LENGTH];
+	unsigned int value;
+};
+
+struct profilenode {
+	struct devtree_node dn;
+	volatile u32_t enabled;			/* Is the profiler enabled to take samples? */
+	volatile u32_t busy;			/* set when the samples are being read by the driver */
+	volatile u32_t rate;			/* What is the sampling rate? */
+	volatile u32_t enabled_threads;		/* which threads were enabled at the last sample time */
+	volatile u32_t hrt;			/* HRT threads */
+	volatile u32_t profiler_thread;		/* thread running the profile sampler */
+	volatile u32_t clocks;			/* system clock timer at last sample */
+	volatile u32_t clock_freq;		/* clock frequency in Hz */
+	volatile u32_t ddr_freq;		/* memory frequency */
+	volatile u32_t cpu_id;			/* chip_id register */
+	volatile u32_t inst_count[PROFILE_MAX_THREADS];		/* sampled instruction counts at most recent sample */
+	volatile u32_t stats[4];				/* contents of the cache statistics counters */
+	volatile u16_t head;			/* sample taker puts samples here */
+	volatile u16_t tail;			/* packet filler takes samples here */
+	volatile u16_t count;			/* number of valid samples */
+	volatile u16_t max_samples;		/* how many samples can be in the samples array */
+	struct profile_sample *samples;		/* samples array allocated by the linux driver */
+	volatile u32_t num_counters;		/* how many registered performance counters */
+	volatile struct profile_counter counters[PROFILE_NODE_MAX_COUNTERS];
+
+	/* unimplemented interface for future oprofile work */
+	volatile u16_t oprofile_head;		/* sample taker puts samples here */
+	volatile u16_t oprofile_tail;		/* packet filler takes samples here */
+	volatile u16_t oprofile_count;		/* how many oprofile sampels are are in use */
+	volatile u16_t oprofile_max_samples;	/* samples array size for oprofile samples */
+	struct oprofile_sample *oprofile_samples;	/* oprofile sample buffer */
+};
+
+#endif
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-common/profpkt.h linux-2.6.30.10-ubi/arch/ubicom32/mach-common/profpkt.h
--- linux-2.6.30.10/arch/ubicom32/mach-common/profpkt.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-common/profpkt.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,158 @@
+
+/*
+ * arch/ubicom32/mach-common/profpkt.c
+ *   Ubicom32 Profiler packet formats for communication between the linux proc driver and the profiler display tool
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+
+#define PROFILE_PORT 51080
+#define PROFILE_POSIX_NAME_LENGTH 32
+
+/*
+ * profile UDP packet format for communicating between ip3k and host
+ *
+ * every packet starts with a header, followed by samples.
+ * samples are only taken for non-hrt threads that are
+ * active
+ */
+#define PROF_MAGIC 0x3ea0
+#define PROF_MAGIC_COUNTERS 0x9ea0
+#define PROF_MAGIC_MAPS 0xaea0
+
+/*
+ * Versions (31 max):
+ * 1 to 4 were before 6.0 release,  development versions
+ * 5 was forward compatible version, shipped with 6.0 and 6.1
+ * 6 adds heap packets, and clock_freq to header, shipped with 6.2
+ * 7 adds a sequence numbers to check for dropped packets, shipped with 6.3.5
+ * 8 adds mqueue timing information, shipped with 6.3.5
+ * 9 adds sdram heap size information, shipped with 6.4
+ * 10 adds heapmem heap callers and long latency stack traces.  shipped with 6.4
+ * 11 adds support for Mars (IP5K).  shipped with 6.10
+ * 12 adds more support for Mars.  Shipped with 7.0
+ * 13 adds per sample latency measurement.  Shipped with 7.2
+ * 14 changes the heap format and adds a string packet.  Shipped with 7.4
+ * 15 adds dsr stats and posix.  shipped with 7.6
+ * 16 corrects maximum packet count for Ares.  ships with 7.9
+ * 17 adds a5 register value to sample
+ */
+
+#define PROFILE_VERSION 17
+#define PROFILE_MAX_PACKET_SIZE 1440
+
+#define PROFILE_MAX_THREADS 16
+
+/*
+ * each packet starts with a profile_header, then sample_count samples
+ * samples are gprof samples of pc, the return address, condition codes, and
+ * active threads
+ */
+struct profile_header {
+	u16_t magic;			/* magic number and version */
+	u8_t header_size;		/* number of bytes in profile header */
+	u8_t sample_count;		/* number of samples in the packet */
+	u32_t clocks;			/* clock counter value */
+	u32_t instruction_count[PROFILE_MAX_THREADS];
+					/* instructions executed per thread */
+	u32_t profile_instructions;	/* instructions executed by profiler mainline */
+	u16_t enabled;			/* which threads are enabled */
+	u16_t hrt;			/* which threads are hrt */
+	u16_t high;			/* which threads are high priority */
+	u16_t profiler_thread;		/* which thread runs the profiler */
+	u32_t heap_free;		/* current free on-cihp heap space in bytes */
+	u32_t heap_low_water;		/* on-chip heap low water mark */
+	u32_t netpage_free;		/* number of free on-chip net pages */
+	u32_t netpage_low_water;	/* low water mark on free on-chip netpages */
+	u32_t min_sp[PROFILE_MAX_THREADS];
+					/* stack pointer values per thread */
+	u32_t clock_freq;		/* clock frequency (Hz) of system being analyzed */
+	u32_t seq_num;			/* to detect dropped profiler packets */
+	u32_t timing_sequence;		/* sample number since boot */
+	u32_t timing_interval;		/* second per sample timing interval */
+	u32_t timing_worst_time;	/* duration of longest finction called, in core clocks */
+	u32_t timing_function;		/* address of longest function */
+	u32_t timing_average;		/* average time of all functions in last interval */
+	u32_t timing_count;		/* number of functions called in last interval */
+	u32_t extheap_free;		/* current free extmem heap space in bytes */
+	u32_t extheap_low_water;	/* extmem heap low water mark */
+	u32_t cpu_id;			/* CHIP_ID register contents */
+	u32_t perf_counters[4];		/* contents of the CPU performance counters */
+	u8_t perf_config[4];		/* what is being counted */
+	u32_t ddr_freq;			/* DDR clock frequency */
+	u32_t extnetpage_free;		/* number of free off chip net pages */
+	u32_t extnetpage_low_water;	/* low water mark on off-chip free netpages */
+	u32_t dsr_max_latency;		/* max time to process a dsr interrupt, in clocks, since last packet */
+	u32_t dsr_ave_latency;		/* average dsr latency over last DSR_STATS_RECENT_COUNT interrupts */
+	u32_t dsr_count;		/* number of dsr interrupts since last packet */
+};
+
+struct profile_header_counters {
+	u16_t magic;
+	u16_t ultra_count;		/* how many ultra counters follow this */
+	u32_t ultra_sample_time;	/* in chip clocks */
+	u32_t linux_count;		/* how many linux counters follow this */
+	u32_t linux_sample_time;
+};
+
+/*
+ * values chosen so all counter values fit in a single 1400 byte UDP packet
+ */
+#define PROFILE_COUNTER_NAME_LENGTH 20
+#define PROFILE_MAX_COUNTERS ((PROFILE_MAX_PACKET_SIZE - sizeof(struct profile_header_counters)) / (PROFILE_COUNTER_NAME_LENGTH + 4))
+
+struct profile_counter_pkt {
+	char name[PROFILE_COUNTER_NAME_LENGTH];
+	unsigned int value;
+};
+
+/*
+ * send memory maps from linux to profiler tool
+ */
+
+struct profile_header_maps {
+	u16_t magic;
+	u16_t count;
+	u32_t page_shift;
+};
+
+#define PROFILE_MAP_NUM_TYPES 32
+
+/* types 0-15: size field is order.  True size is 2^order */
+#define PROFILE_MAP_TYPE_UNKNOWN 0
+#define PROFILE_MAP_TYPE_FREE 1
+#define PROFILE_MAP_TYPE_SMALL 2
+#define PROFILE_MAP_TYPE_FS 3
+/* types 16-31: size field is pages.  True size is (1 << PAGE_SHIFT) * size */
+#define PROFILE_MAP_SIZE_TYPE 16
+#define PROFILE_MAP_TYPE_TEXT 16
+#define PROFILE_MAP_TYPE_STACK 17
+#define PROFILE_MAP_TYPE_APP_DATA 18
+#define PROFILE_MAP_TYPE_CACHE 19
+#define PROFILE_MAP_RESERVED 24
+
+#define PROFILE_MAP_TYPE_SHIFT 11
+#define PROFILE_MAP_SIZE_MASK 0x7ff
+
+struct profile_map {
+	u16_t start;		/* start page number of segment, relative to start of DRAM */
+	u16_t type_size;	/* type (4 bits) of the segment and size in pages (12 bits) */
+};
+
+#define PROFILE_MAX_MAPS (PROFILE_MAX_PACKET_SIZE - sizeof(struct profile_header_maps)) / sizeof(struct profile_map)
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-common/ring_tio.c linux-2.6.30.10-ubi/arch/ubicom32/mach-common/ring_tio.c
--- linux-2.6.30.10/arch/ubicom32/mach-common/ring_tio.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-common/ring_tio.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,123 @@
+/*
+ * arch/ubicom32/mach-common/ring_tio.c
+ *   Generic initialization for UIO Ubicom32 Ring
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/types.h>
+
+#include <asm/devtree.h>
+#include <asm/ring_tio.h>
+
+static const char *ring_tio_driver_name = "uio_ubicom32ring";
+
+/*
+ * The number of ring_tio's currently allocated, used for .id
+ */
+static int __initdata ring_tio_count;
+
+/*
+ * The maximum number of resources that the ring_tio will have.
+ * Currently 3, a register space, and up to 2 interrupts.
+ */
+#define RING_TIO_MAX_RESOURCES	3
+
+/*
+ * ring_tio_init
+ *	Checks the device tree and instantiates the driver if found
+ */
+void __init ring_tio_init(const char *node_name)
+{
+	struct platform_device *pdev;
+	struct resource *res;
+	int resource_idx = 0;
+	struct ring_tio_node *ring_node;
+
+	/*
+	 * Check the device tree for the ring_tio
+	 */
+	ring_node = (struct ring_tio_node *)devtree_find_node(node_name);
+	if (!ring_node) {
+		printk(KERN_WARNING "Ring TIO '%s' not found\n", node_name);
+		return;
+	}
+
+	if (ring_node->version != RING_TIO_NODE_VERSION) {
+		printk(KERN_WARNING "ring_tio not compatible\n");
+		return;
+	}
+
+	/*
+	 * Dynamically create the platform_device structure and resources
+	 */
+	pdev = kzalloc(sizeof(struct platform_device), GFP_KERNEL);
+	if (!pdev) {
+		printk(KERN_WARNING "ring_tio could not alloc pdev\n");
+		return;
+	}
+
+	res = kzalloc(sizeof(struct resource) * RING_TIO_MAX_RESOURCES,
+			GFP_KERNEL);
+	if (!res) {
+		kfree(pdev);
+		printk(KERN_WARNING "ring_tio could not alloc res\n");
+		return;
+	}
+
+	pdev->name = ring_tio_driver_name;
+	pdev->id = ring_tio_count++;
+	pdev->resource = res;
+
+	/*
+	 * Fill in the resources and platform data from devtree information
+	 */
+	res[resource_idx].start = (u32_t)(ring_node->regs);
+	res[resource_idx].end = (u32_t)(ring_node->regs);
+	res[resource_idx].flags = IORESOURCE_MEM;
+	resource_idx++;
+
+	if (ring_node->dn.sendirq != 0xFF) {
+		res[resource_idx].start = ring_node->dn.sendirq;
+		res[resource_idx].flags = IORESOURCE_IRQ;
+		resource_idx++;
+	}
+
+	if (ring_node->dn.recvirq != 0xFF) {
+		res[resource_idx].start = ring_node->dn.recvirq;
+		res[resource_idx].flags = IORESOURCE_IRQ;
+		resource_idx++;
+	}
+	pdev->num_resources = resource_idx;
+
+	printk(KERN_INFO "RingTIO.%d '%s' found irq=%d/%d regs=%p pdev=%p/%p\n",
+		ring_tio_count - 1, node_name, ring_node->dn.sendirq,
+		ring_node->dn.recvirq, ring_node->regs, pdev, res);
+
+	/*
+	 * Try to get the device registered
+	 */
+	pdev->dev.platform_data = (void *)node_name;
+	if (platform_device_register(pdev) < 0) {
+		printk(KERN_WARNING "Ring failed to register\n");
+		kfree(pdev);
+		kfree(res);
+	}
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-common/switch-bcm539x.c linux-2.6.30.10-ubi/arch/ubicom32/mach-common/switch-bcm539x.c
--- linux-2.6.30.10/arch/ubicom32/mach-common/switch-bcm539x.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-common/switch-bcm539x.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,1195 @@
+/*
+ * arch/ubicom32/mach-common/switch-bcm539x.c
+ *   BCM539X switch driver, SPI mode
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/gpio.h>
+#include <linux/delay.h>
+#include <linux/mii.h>
+
+#include <asm/switch-dev.h>
+#include <asm/ubicom32-spi-gpio.h>
+#include "switch-core.h"
+#include "switch-bcm539x-reg.h"
+
+#define DRIVER_NAME "bcm539x-spi"
+#define DRIVER_VERSION "1.0"
+
+#undef BCM539X_DEBUG
+#define BCM539X_SPI_RETRIES	100
+
+struct bcm539x_data {
+	struct switch_device			*switch_dev;
+
+	/*
+	 * Our private data
+	 */
+	struct spi_device			*spi;
+	struct switch_core_platform_data	*pdata;
+
+	/*
+	 * Last page we accessed
+	 */
+	u8_t					last_page;
+
+	/*
+	 * 539x Device ID
+	 */
+	u8_t					device_id;
+};
+
+/*
+ * bcm539x_wait_status
+ *	Waits for the specified bit in the status register to be set/cleared.
+ */
+static int bcm539x_wait_status(struct bcm539x_data *bd, u8_t mask, int set)
+{
+	u8_t txbuf[2];
+	u8_t rxbuf;
+	int i;
+	int ret;
+
+	txbuf[0] = BCM539X_CMD_READ;
+	txbuf[1] = BCM539X_GLOBAL_SPI_STATUS;
+	for (i = 0; i < BCM539X_SPI_RETRIES; i++) {
+		ret = spi_write_then_read(bd->spi, txbuf, 2, &rxbuf, 1);
+		rxbuf &= mask;
+		if ((set && rxbuf) || (!set && !rxbuf)) {
+			return 0;
+		}
+		udelay(1);
+	}
+
+	return -EIO;
+}
+
+/*
+ * bcm539x_set_page
+ *	Sets the register page for access (only if necessary)
+ */
+static int bcm539x_set_page(struct bcm539x_data *bd, u8_t page)
+{
+	u8_t txbuf[3];
+
+	if (page == bd->last_page) {
+		return 0;
+	}
+
+	bd->last_page = page;
+
+	txbuf[0] = BCM539X_CMD_WRITE;
+	txbuf[1] = BCM539X_GLOBAL_PAGE;
+	txbuf[2] = page;
+
+	return spi_write(bd->spi, txbuf, 3);
+}
+
+/*
+ * bcm539x_write_bytes
+ *	Writes a number of bytes to a given page and register
+ */
+static int bcm539x_write_bytes(struct bcm539x_data *bd, u8_t page,
+			       u8_t reg, void *buf, u8_t len)
+{
+	int ret;
+	u8_t *txbuf;
+
+	txbuf = kmalloc(2 + len, GFP_KERNEL);
+	if (!txbuf) {
+		return -ENOMEM;
+	}
+
+	/*
+	 * Make sure the chip has finished processing our previous request
+	 */
+	ret = bcm539x_wait_status(bd, BCM539X_GLOBAL_SPI_ST_SPIF, 0);
+	if (ret) {
+		goto done;
+	}
+
+	/*
+	 * Set the page
+	 */
+	ret = bcm539x_set_page(bd, page);
+	if (ret) {
+		goto done;
+	}
+
+	/*
+	 * Read the data
+	 */
+	txbuf[0] = BCM539X_CMD_WRITE;
+	txbuf[1] = reg;
+	memcpy(&txbuf[2], buf, len);
+
+#ifdef BCM539X_DEBUG
+	{
+		int i;
+		printk("write page %02x reg %02x len=%d buf=", page, reg, len);
+		for (i = 0; i < len + 2; i++) {
+			printk("%02x ", txbuf[i]);
+		}
+		printk("\n");
+	}
+#endif
+
+	ret = spi_write(bd->spi, txbuf, 2 + len);
+
+done:
+	kfree(txbuf);
+	return ret;
+}
+
+/*
+ * bcm539x_write_32
+ *	Writes 32 bits of data to the given page and register
+ */
+static inline int bcm539x_write_32(struct bcm539x_data *bd, u8_t page,
+				   u8_t reg, u32_t data)
+{
+	data = cpu_to_le32(data);
+	return bcm539x_write_bytes(bd, page, reg, &data, 4);
+}
+
+/*
+ * bcm539x_write_16
+ *	Writes 16 bits of data to the given page and register
+ */
+static inline int bcm539x_write_16(struct bcm539x_data *bd, u8_t page,
+				   u8_t reg, u16_t data)
+{
+	data = cpu_to_le16(data);
+	return bcm539x_write_bytes(bd, page, reg, &data, 2);
+}
+
+/*
+ * bcm539x_write_8
+ *	Writes 8 bits of data to the given page and register
+ */
+static inline int bcm539x_write_8(struct bcm539x_data *bd, u8_t page,
+				  u8_t reg, u8_t data)
+{
+	return bcm539x_write_bytes(bd, page, reg, &data, 1);
+}
+
+/*
+ * bcm539x_read_bytes
+ *	Reads a number of bytes from a given page and register
+ */
+static int bcm539x_read_bytes(struct bcm539x_data *bd, u8_t page,
+			      u8_t reg, void *buf, u8_t len)
+{
+	u8_t txbuf[2];
+	int ret;
+
+	/*
+	 * (1) Make sure the chip has finished processing our previous request
+	 */
+	ret = bcm539x_wait_status(bd, BCM539X_GLOBAL_SPI_ST_SPIF, 0);
+	if (ret) {
+		return ret;
+	}
+
+	/*
+	 * (2) Set the page
+	 */
+	ret = bcm539x_set_page(bd, page);
+	if (ret) {
+		return ret;
+	}
+
+	/*
+	 * (3) Kick off the register read
+	 */
+	txbuf[0] = BCM539X_CMD_READ;
+	txbuf[1] = reg;
+	ret = spi_write_then_read(bd->spi, txbuf, 2, txbuf, 1);
+	if (ret) {
+		return ret;
+	}
+
+	/*
+	 * (4) Wait for RACK
+	 */
+	ret = bcm539x_wait_status(bd, BCM539X_GLOBAL_SPI_ST_RACK, 1);
+	if (ret) {
+		return ret;
+	}
+
+	/*
+	 * (5) Read the data
+	 */
+	txbuf[0] = BCM539X_CMD_READ;
+	txbuf[1] = BCM539X_GLOBAL_SPI_DATA0;
+
+	ret = spi_write_then_read(bd->spi, txbuf, 2, buf, len);
+
+#ifdef BCM539X_DEBUG
+	{
+		int i;
+		printk("read page %02x reg %02x len=%d rxbuf=",
+		       page, reg, len);
+		for (i = 0; i < len; i++) {
+			printk("%02x ", ((u8_t *)buf)[i]);
+		}
+		printk("\n");
+	}
+#endif
+
+	return ret;
+}
+
+/*
+ * bcm539x_read_32
+ *	Reads an 32 bit number from a given page and register
+ */
+static int bcm539x_read_32(struct bcm539x_data *bd, u8_t page,
+			   u8_t reg, u32_t *buf)
+{
+	int ret = bcm539x_read_bytes(bd, page, reg, buf, 4);
+	*buf = le32_to_cpu(*buf);
+	return ret;
+}
+
+/*
+ * bcm539x_read_16
+ *	Reads an 16 bit number from a given page and register
+ */
+static int bcm539x_read_16(struct bcm539x_data *bd, u8_t page,
+			   u8_t reg, u16_t *buf)
+{
+	int ret = bcm539x_read_bytes(bd, page, reg, buf, 2);
+	*buf = le16_to_cpu(*buf);
+	return ret;
+}
+
+/*
+ * bcm539x_read_8
+ *	Reads an 8 bit number from a given page and register
+ */
+static int bcm539x_read_8(struct bcm539x_data *bd, u8_t page,
+			  u8_t reg, u8_t *buf)
+{
+	return bcm539x_read_bytes(bd, page, reg, buf, 1);
+}
+
+/*
+ * bcm539x_set_mode
+ */
+static int bcm539x_set_mode(struct bcm539x_data *bd, int state)
+{
+	u8_t buf;
+	int ret;
+
+	ret = bcm539x_read_8(bd, PAGE_PORT_TC, REG_CTRL_MODE, &buf);
+	if (ret) {
+		return ret;
+	}
+
+	buf &= ~(1 << 1);
+	buf |= state ? (1 << 1) : 0;
+
+	ret = bcm539x_write_8(bd, PAGE_PORT_TC, REG_CTRL_MODE, buf);
+	return ret;
+}
+
+/*
+ * bcm539x_handle_reset
+ */
+static int bcm539x_handle_reset(struct switch_device *dev, char *buf, int inst)
+{
+	struct bcm539x_data *bd =
+		(struct bcm539x_data *)switch_get_drvdata(dev);
+	int ret;
+
+	ret = bcm539x_write_8(bd, PAGE_PORT_TC, REG_CTRL_SRST,
+			      (1 << 7) | (1 << 4));
+	if (ret) {
+		return ret;
+	}
+
+	udelay(20);
+
+	ret = bcm539x_write_8(bd, PAGE_PORT_TC, REG_CTRL_SRST, 0);
+	return ret;
+}
+
+/*
+ * bcm539x_handle_vlan_ports_read
+ */
+static int bcm539x_handle_vlan_ports_read(struct switch_device *dev,
+					  char *buf, int inst)
+{
+	struct bcm539x_data *bd =
+		(struct bcm539x_data *)switch_get_drvdata(dev);
+	int j;
+	int len = 0;
+	u8_t rxbuf8;
+	u32_t rxbuf32;
+	int ret;
+
+	ret = bcm539x_write_16(bd, PAGE_VTBL, REG_VTBL_INDX_5395, inst);
+	if (ret) {
+		return ret;
+	}
+
+	ret = bcm539x_write_8(bd, PAGE_VTBL, REG_VTBL_ACCESS_5395,
+			      (1 << 7) | 1);
+	if (ret) {
+		return ret;
+	}
+
+	/*
+	 * Wait for completion
+	 */
+	for (j = 0; j < BCM539X_SPI_RETRIES; j++) {
+		ret = bcm539x_read_8(bd, PAGE_VTBL, REG_VTBL_ACCESS_5395,
+				     &rxbuf8);
+		if (ret) {
+			return ret;
+		}
+		if (!(rxbuf8 & (1 << 7))) {
+			break;
+		}
+	}
+
+	if (j == BCM539X_SPI_RETRIES) {
+		return -EIO;
+	}
+
+	/*
+	 * Read the table entry
+	 */
+	ret = bcm539x_read_32(bd, PAGE_VTBL, REG_VTBL_ENTRY_5395, &rxbuf32);
+	if (ret) {
+		return ret;
+	}
+
+	for (j = 0; j < 9; j++) {
+		if (rxbuf32 & (1 << j)) {
+			u16_t rxbuf16;
+			len += sprintf(buf + len, "%d", j);
+			if (rxbuf32 & (1 << (j + 9))) {
+				buf[len++] = 'u';
+			} else {
+				buf[len++] = 't';
+			}
+			ret = bcm539x_read_16(bd, PAGE_VLAN,
+					      REG_VLAN_PTAG0 + (j << 1),
+					      &rxbuf16);
+			if (ret) {
+				return ret;
+			}
+			if (rxbuf16 == inst) {
+				buf[len++] = '*';
+			}
+			buf[len++] = '\t';
+		}
+	}
+
+	len += sprintf(buf + len, "\n");
+	buf[len] = '\0';
+
+	return len;
+}
+
+/*
+ * bcm539x_handle_vlan_ports_write
+ */
+static int bcm539x_handle_vlan_ports_write(struct switch_device *dev,
+					   char *buf, int inst)
+{
+	struct bcm539x_data *bd =
+		(struct bcm539x_data *)switch_get_drvdata(dev);
+	int j;
+	u32_t untag;
+	u32_t ports;
+	u32_t def;
+
+	u8_t rxbuf8;
+	u16_t rxbuf16;
+	int ret;
+
+	switch_parse_vlan_ports(dev, buf, &untag, &ports, &def);
+
+#ifdef BCM539X_DEBUG
+	printk(KERN_DEBUG "'%s' inst=%d untag=%08x ports=%08x def=%08x\n",
+		buf, inst, untag, ports, def);
+#endif
+
+	if (!ports) {
+		return 0;
+	}
+
+	/*
+	 * Change default vlan tag
+	 */
+	for (j = 0; j < 9; j++) {
+		if ((untag | def) & (1 << j)) {
+			ret = bcm539x_write_16(bd, PAGE_VLAN,
+					       REG_VLAN_PTAG0 + (j << 1),
+					       inst);
+			if (ret) {
+				return ret;
+			}
+			continue;
+		}
+
+		if (!(dev->port_mask[0] & (1 << j))) {
+			continue;
+		}
+
+		/*
+		 * Remove any ports which are not listed anymore as members of
+		 * this vlan
+		 */
+		ret = bcm539x_read_16(bd, PAGE_VLAN,
+				      REG_VLAN_PTAG0 + (j << 1), &rxbuf16);
+		if (ret) {
+			return ret;
+		}
+		if (rxbuf16 == inst) {
+			ret = bcm539x_write_16(bd, PAGE_VLAN,
+					       REG_VLAN_PTAG0 + (j << 1), 0);
+			if (ret) {
+				return ret;
+			}
+		}
+	}
+
+	/*
+	 * Write the VLAN table
+	 */
+	ret = bcm539x_write_16(bd, PAGE_VTBL, REG_VTBL_INDX_5395, inst);
+	if (ret) {
+		return ret;
+	}
+
+	ret = bcm539x_write_32(bd, PAGE_VTBL, REG_VTBL_ENTRY_5395,
+			       (untag << 9) | ports);
+	if (ret) {
+		return ret;
+	}
+
+	ret = bcm539x_write_8(bd, PAGE_VTBL, REG_VTBL_ACCESS_5395,
+			      (1 << 7) | 0);
+	if (ret) {
+		return ret;
+	}
+
+	/*
+	 * Wait for completion
+	 */
+	for (j = 0; j < BCM539X_SPI_RETRIES; j++) {
+		ret = bcm539x_read_bytes(bd, PAGE_VTBL, REG_VTBL_ACCESS_5395,
+					 &rxbuf8, 1);
+		if (ret) {
+			return ret;
+		}
+		if (!(rxbuf8 & (1 << 7))) {
+			break;
+		}
+	}
+
+	return (j < BCM539X_SPI_RETRIES) ? 0 : -EIO;
+}
+
+/*
+ * Handlers for <this_driver>/vlan/<vlan_id>
+ */
+static const struct switch_handler bcm539x_switch_handlers_vlan_dir[] = {
+	{
+		.name	= "ports",
+		.read	= bcm539x_handle_vlan_ports_read,
+		.write	= bcm539x_handle_vlan_ports_write,
+	},
+	{
+	},
+};
+
+/*
+ * bcm539x_handle_vlan_delete_write
+ */
+static int bcm539x_handle_vlan_delete_write(struct switch_device *dev,
+					    char *buf, int inst)
+{
+	struct bcm539x_data *bd =
+		(struct bcm539x_data *)switch_get_drvdata(dev);
+	int vid;
+	u8_t rxbuf8;
+	u32_t txbuf;
+	int j;
+	int ret;
+
+	vid = simple_strtoul(buf, NULL, 0);
+	if (!vid) {
+		return -EINVAL;
+	}
+
+	/*
+	 * Disable this VLAN
+	 *
+	 * Go through the port-based vlan registers and clear the appropriate
+	 * ones out
+	 */
+	for (j = 0; j < 9; j++) {
+		u16_t rxbuf16;
+		ret = bcm539x_read_16(bd, PAGE_VLAN, REG_VLAN_PTAG0 + (j << 1),
+				      &rxbuf16);
+		if (ret) {
+			return ret;
+		}
+		if (rxbuf16 == vid) {
+			txbuf = 0;
+			ret = bcm539x_write_16(bd, PAGE_VLAN,
+					       REG_VLAN_PTAG0 + (j << 1),
+					       txbuf);
+			if (ret) {
+				return ret;
+			}
+		}
+	}
+
+	/*
+	 * Write the VLAN table
+	 */
+	txbuf = vid;
+	ret = bcm539x_write_16(bd, PAGE_VTBL, REG_VTBL_INDX_5395, txbuf);
+	if (ret) {
+		return ret;
+	}
+
+	txbuf = 0;
+	ret = bcm539x_write_32(bd, PAGE_VTBL, REG_VTBL_ENTRY_5395, txbuf);
+	if (ret) {
+		return ret;
+	}
+
+	txbuf = (1 << 7) | (0);
+	ret = bcm539x_write_8(bd, PAGE_VTBL, REG_VTBL_ACCESS_5395, txbuf);
+	if (ret) {
+		return ret;
+	}
+
+	/*
+	 * Wait for completion
+	 */
+	for (j = 0; j < BCM539X_SPI_RETRIES; j++) {
+		ret = bcm539x_read_bytes(bd, PAGE_VTBL, REG_VTBL_ACCESS_5395,
+					 &rxbuf8, 1);
+		if (ret) {
+			return ret;
+		}
+		if (!(rxbuf8 & (1 << 7))) {
+			break;
+		}
+	}
+
+	if (j == BCM539X_SPI_RETRIES) {
+		return -EIO;
+	}
+
+	return switch_remove_vlan_dir(dev, vid);
+}
+
+/*
+ * bcm539x_handle_vlan_create_write
+ */
+static int bcm539x_handle_vlan_create_write(struct switch_device *dev,
+					    char *buf, int inst)
+{
+	int vid;
+
+	vid = simple_strtoul(buf, NULL, 0);
+	if (!vid) {
+		return -EINVAL;
+	}
+
+	return switch_create_vlan_dir(dev, vid,
+				      bcm539x_switch_handlers_vlan_dir);
+}
+
+/*
+ * bcm539x_handle_enable_read
+ */
+static int bcm539x_handle_enable_read(struct switch_device *dev,
+				      char *buf, int inst)
+{
+	struct bcm539x_data *bd =
+		(struct bcm539x_data *)switch_get_drvdata(dev);
+	u8_t rxbuf;
+	int ret;
+
+	ret = bcm539x_read_8(bd, PAGE_PORT_TC, REG_CTRL_MODE, &rxbuf);
+	if (ret) {
+		return ret;
+	}
+	rxbuf = (rxbuf & (1 << 1)) ? 1 : 0;
+
+	return sprintf(buf, "%d\n", rxbuf);
+}
+
+/*
+ * bcm539x_handle_enable_write
+ */
+static int bcm539x_handle_enable_write(struct switch_device *dev,
+				       char *buf, int inst)
+{
+	struct bcm539x_data *bd =
+		(struct bcm539x_data *)switch_get_drvdata(dev);
+
+	return bcm539x_set_mode(bd, buf[0] == '1');
+}
+
+/*
+ * bcm539x_handle_enable_vlan_read
+ */
+static int bcm539x_handle_enable_vlan_read(struct switch_device *dev,
+					   char *buf, int inst)
+{
+	struct bcm539x_data *bd =
+		(struct bcm539x_data *)switch_get_drvdata(dev);
+	u8_t rxbuf;
+	int ret;
+
+	ret = bcm539x_read_8(bd, PAGE_VLAN, REG_VLAN_CTRL0, &rxbuf);
+	if (ret) {
+		return ret;
+	}
+	rxbuf = (rxbuf & (1 << 7)) ? 1 : 0;
+
+	return sprintf(buf, "%d\n", rxbuf);
+}
+
+/*
+ * bcm539x_handle_enable_vlan_write
+ */
+static int bcm539x_handle_enable_vlan_write(struct switch_device *dev,
+					    char *buf, int inst)
+{
+	struct bcm539x_data *bd =
+		(struct bcm539x_data *)switch_get_drvdata(dev);
+	int ret;
+
+	/*
+	 * disable 802.1Q VLANs
+	 */
+	if (buf[0] != '1') {
+		ret = bcm539x_write_8(bd, PAGE_VLAN, REG_VLAN_CTRL0, 0);
+		return ret;
+	}
+
+	/*
+	 * enable 802.1Q VLANs
+	 *
+	 * Enable 802.1Q | IVL learning
+	 */
+	ret = bcm539x_write_8(bd, PAGE_VLAN, REG_VLAN_CTRL0,
+			      (1 << 7) | (3 << 5));
+	if (ret) {
+		return ret;
+	}
+
+	/*
+	 * RSV multicast fwd | RSV multicast chk
+	 */
+	ret = bcm539x_write_8(bd, PAGE_VLAN, REG_VLAN_CTRL1,
+			      (1 << 2) | (1 << 3));
+	if (ret) {
+		return ret;
+	}
+#if 0
+	/*
+	 * Drop invalid VID
+	 */
+	ret = bcm539x_write_16(bd, PAGE_VLAN, REG_VLAN_CTRL3, 0x00FF);
+	if (ret) {
+		return ret;
+	}
+#endif
+	return 0;
+}
+
+/*
+ * bcm539x_handle_port_enable_read
+ */
+static int bcm539x_handle_port_enable_read(struct switch_device *dev,
+					   char *buf, int inst)
+{
+	return sprintf(buf, "%d\n", 1);
+}
+
+/*
+ * bcm539x_handle_port_enable_write
+ */
+static int bcm539x_handle_port_enable_write(struct switch_device *dev,
+					    char *buf, int inst)
+{
+	/*
+	 * validate port
+	 */
+	if (!(dev->port_mask[0] & (1 << inst))) {
+		return -EIO;
+	}
+
+	if (buf[0] != '1') {
+		printk(KERN_WARNING "switch port[%d] disabling is not supported\n", inst);
+	}
+	return 0;
+}
+
+/*
+ * bcm539x_handle_port_state_read
+ */
+static int bcm539x_handle_port_state_read(struct switch_device *dev,
+					   char *buf, int inst)
+{
+	struct bcm539x_data *bd =
+		(struct bcm539x_data *)switch_get_drvdata(dev);
+	int ret;
+	u16_t link;
+
+	/*
+	 * validate port
+	 */
+	if (!(dev->port_mask[0] & (1 << inst))) {
+		return -EIO;
+	}
+
+	/*
+	 * check PHY link state - CPU port (port 8) is always up
+	 */
+	ret = bcm539x_read_16(bd, PAGE_STATUS, REG_LINK_STATUS, &link);
+	if (ret) {
+		return ret;
+	}
+	link |= (1 << 8);
+
+	return sprintf(buf, "%d\n", (link & (1 << inst)) ? 1 : 0);
+}
+
+/*
+ * bcm539x_handle_port_media_read
+ */
+static int bcm539x_handle_port_media_read(struct switch_device *dev,
+					   char *buf, int inst)
+{
+	struct bcm539x_data *bd =
+		(struct bcm539x_data *)switch_get_drvdata(dev);
+	int ret;
+	u16_t link, duplex;
+	u32_t speed;
+
+	/*
+	 * validate port
+	 */
+	if (!(dev->port_mask[0] & (1 << inst))) {
+		return -EIO;
+	}
+
+	/*
+	 * check PHY link state first - CPU port (port 8) is always up
+	 */
+	ret = bcm539x_read_16(bd, PAGE_STATUS, REG_LINK_STATUS, &link);
+	if (ret) {
+		return ret;
+	}
+	link |= (1 << 8);
+
+	if (!(link & (1 << inst))) {
+		return sprintf(buf, "UNKNOWN\n");
+	}
+
+	/*
+	 * get link speeda dn duplex - CPU port (port 8) is 1000/full
+	 */
+	ret = bcm539x_read_32(bd, PAGE_STATUS, 4, &speed);
+	if (ret) {
+		return ret;
+	}
+	speed |= (2 << 16);
+	speed = (speed >> (2 * inst)) & 3;
+
+	ret = bcm539x_read_16(bd, PAGE_STATUS, 8, &duplex);
+	if (ret) {
+		return ret;
+	}
+	duplex |= (1 << 8);
+	duplex = (duplex >> inst) & 1;
+
+	return sprintf(buf, "%d%cD\n",
+		(speed == 0) ? 10 : ((speed == 1) ? 100 : 1000),
+		duplex ? 'F' : 'H');
+}
+
+/*
+ * bcm539x_handle_port_meida_write
+ */
+static int bcm539x_handle_port_meida_write(struct switch_device *dev,
+					    char *buf, int inst)
+{
+	struct bcm539x_data *bd =
+		(struct bcm539x_data *)switch_get_drvdata(dev);
+	int ret;
+	u16_t ctrl_word, local_cap, local_giga_cap;
+
+	/*
+	 * validate port (not for CPU port)
+	 */
+	if (!(dev->port_mask[0] & (1 << inst) & ~(1 << 8))) {
+		return -EIO;
+	}
+
+	/*
+	 * Get the maximum capability from status
+	 *	SPI reg[0x00] = PHY[0x0] --- MII control
+	 *	SPI reg[0x08] = PHY[0x4] --- MII local capability
+	 *	SPI reg[0x12] = PHY[0x9] --- GMII control
+	 */
+	ret = bcm539x_read_16(bd, REG_MII_PAGE + inst, (MII_ADVERTISE << 1), &local_cap);
+	if (ret) {
+		return ret;
+	}
+	ret = bcm539x_read_16(bd, REG_MII_PAGE + inst, (MII_CTRL1000 << 1), &local_giga_cap);
+	if (ret) {
+		return ret;
+	}
+
+	/* Configure to the requested speed */
+	if (strncmp(buf, "1000FD", 6) == 0) {
+		/* speed */
+		local_cap &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL);
+		local_cap &= ~(ADVERTISE_100HALF | ADVERTISE_100FULL);
+		local_giga_cap |= (ADVERTISE_1000HALF | ADVERTISE_1000FULL);
+		/* duplex */
+	} else if (strncmp(buf, "100FD", 5) == 0) {
+		/* speed */
+		local_cap &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL);
+		local_cap |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
+		local_giga_cap &= ~(ADVERTISE_1000HALF | ADVERTISE_1000FULL);
+		/* duplex */
+		local_cap &= ~(ADVERTISE_100HALF);
+	} else if (strncmp(buf, "100HD", 5) == 0) {
+		/* speed */
+		local_cap &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL);
+		local_cap |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
+		local_giga_cap &= ~(ADVERTISE_1000HALF | ADVERTISE_1000FULL);
+		/* duplex */
+		local_cap &= ~(ADVERTISE_100FULL);
+	} else if (strncmp(buf, "10FD", 4) == 0) {
+		/* speed */
+		local_cap |= (ADVERTISE_10HALF | ADVERTISE_10FULL);
+		local_cap &= ~(ADVERTISE_100HALF | ADVERTISE_100FULL);
+		local_giga_cap &= ~(ADVERTISE_1000HALF | ADVERTISE_1000FULL);
+		/* duplex */
+		local_cap &= ~(ADVERTISE_10HALF);
+	} else if (strncmp(buf, "10HD", 4) == 0) {
+		/* speed */
+		local_cap |= (ADVERTISE_10HALF | ADVERTISE_10FULL);
+		local_cap &= ~(ADVERTISE_100HALF | ADVERTISE_100FULL);
+		local_giga_cap &= ~(ADVERTISE_1000HALF | ADVERTISE_1000FULL);
+		/* duplex */
+		local_cap &= ~(ADVERTISE_10FULL);
+	} else if (strncmp(buf, "AUTO", 4) == 0) {
+		/* speed */
+		local_cap |= (ADVERTISE_10HALF | ADVERTISE_10FULL);
+		local_cap |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
+		local_giga_cap |= (ADVERTISE_1000HALF | ADVERTISE_1000FULL);
+	} else {
+		return -EINVAL;
+	}
+
+	/* Active PHY with the requested speed for auto-negotiation */
+	ret = bcm539x_write_16(bd, REG_MII_PAGE + inst, (MII_ADVERTISE << 1), local_cap);
+	if (ret) {
+		return ret;
+	}
+	ret = bcm539x_write_16(bd, REG_MII_PAGE + inst, (MII_CTRL1000 << 1), local_giga_cap);
+	if (ret) {
+		return ret;
+	}
+
+	ret = bcm539x_read_16(bd, REG_MII_PAGE + inst, (MII_BMCR << 1), &ctrl_word);
+	if (ret) {
+		return ret;
+	}
+	ctrl_word |= (BMCR_ANENABLE | BMCR_ANRESTART);
+	ret = bcm539x_write_16(bd, REG_MII_PAGE + inst, (MII_BMCR << 1), ctrl_word);
+	if (ret) {
+		return ret;
+	}
+
+	return 0;
+}
+
+/*
+ * proc_fs entries for this switch
+ */
+static const struct switch_handler bcm539x_switch_handlers[] = {
+	{
+		.name	= "enable",
+		.read	= bcm539x_handle_enable_read,
+		.write	= bcm539x_handle_enable_write,
+	},
+	{
+		.name	= "enable_vlan",
+		.read	= bcm539x_handle_enable_vlan_read,
+		.write	= bcm539x_handle_enable_vlan_write,
+	},
+	{
+		.name	= "reset",
+		.write	= bcm539x_handle_reset,
+	},
+	{
+	},
+};
+
+/*
+ * Handlers for <this_driver>/vlan
+ */
+static const struct switch_handler bcm539x_switch_handlers_vlan[] = {
+	{
+		.name	= "delete",
+		.write	= bcm539x_handle_vlan_delete_write,
+	},
+	{
+		.name	= "create",
+		.write	= bcm539x_handle_vlan_create_write,
+	},
+	{
+	},
+};
+
+/*
+ * Handlers for <this_driver>/port/<port number>
+ */
+static const struct switch_handler bcm539x_switch_handlers_port[] = {
+	{
+		.name	= "enable",
+		.read	= bcm539x_handle_port_enable_read,
+		.write	= bcm539x_handle_port_enable_write,
+	},
+	{
+		.name	= "state",
+		.read	= bcm539x_handle_port_state_read,
+	},
+	{
+		.name	= "media",
+		.read	= bcm539x_handle_port_media_read,
+		.write	= bcm539x_handle_port_meida_write,
+	},
+	{
+	},
+};
+
+/*
+ * bcm539x_probe
+ */
+static int __devinit bcm539x_probe(struct spi_device *spi)
+{
+	struct bcm539x_data *bd;
+	struct switch_core_platform_data *pdata;
+	struct switch_device *switch_dev = NULL;
+	int i, ret;
+	u8_t txbuf[2];
+
+	pdata = spi->dev.platform_data;
+	if (!pdata) {
+		return -EINVAL;
+	}
+
+	ret = spi_setup(spi);
+	if (ret < 0) {
+		return ret;
+	}
+
+	/*
+	 * Reset the chip if requested
+	 */
+	if (pdata->flags & SWITCH_DEV_FLAG_HW_RESET) {
+		ret = gpio_request(pdata->pin_reset, "switch-bcm539x-reset");
+		if (ret) {
+			printk(KERN_WARNING "Could not request reset\n");
+			return -EINVAL;
+		}
+
+		gpio_direction_output(pdata->pin_reset, 0);
+		udelay(10);
+		gpio_set_value(pdata->pin_reset, 1);
+		udelay(20);
+	}
+
+	/*
+	 * Allocate our private data structure
+	 */
+	bd = kzalloc(sizeof(struct bcm539x_data), GFP_KERNEL);
+	if (!bd) {
+		return -ENOMEM;
+	}
+
+	dev_set_drvdata(&spi->dev, bd);
+	bd->pdata = pdata;
+	bd->spi = spi;
+	bd->last_page = 0xFF;
+
+	/*
+	 * First perform SW reset if needed
+	 */
+	if (pdata->flags & SWITCH_DEV_FLAG_SW_RESET) {
+		txbuf[0] = (1 << 7) | (1 << 4);
+		ret = bcm539x_write_bytes(bd, PAGE_PORT_TC,
+					  REG_CTRL_SRST, txbuf, 1);
+		if (ret) {
+			goto fail;
+		}
+
+		udelay(20);
+
+		txbuf[0] = 0;
+		ret = bcm539x_write_bytes(bd, PAGE_PORT_TC,
+					  REG_CTRL_SRST, txbuf, 1);
+		if (ret) {
+			goto fail;
+		}
+	}
+
+	/*
+	 * See if we can see the chip
+	 */
+	for (i = 0; i < 10; i++) {
+		ret = bcm539x_read_bytes(bd, PAGE_MMR, REG_DEVICE_ID,
+					 &bd->device_id, 1);
+		if (!ret) {
+			break;
+		}
+	}
+	if (ret) {
+		goto fail;
+	}
+
+	/*
+	 * We only support 5395, 5397, 5398
+	 */
+	if ((bd->device_id != 0x95) && (bd->device_id != 0x97) &&
+	    (bd->device_id != 0x98)) {
+		ret = -ENODEV;
+		goto fail;
+	}
+
+	/*
+	 *  Override CPU port config: fixed link @1000 with flow control
+	 */
+	ret = bcm539x_read_8(bd, PAGE_PORT_TC, REG_CTRL_MIIPO, txbuf);
+	bcm539x_write_8(bd, PAGE_PORT_TC, REG_CTRL_MIIPO, 0xbb);	// Override IMP port config
+	printk("Broadcom SW CPU port setting: 0x%x -> 0xbb\n", txbuf[0]);
+
+	/*
+	 * Setup the switch driver structure
+	 */
+	switch_dev = switch_alloc();
+	if (!switch_dev) {
+		ret = -ENOMEM;
+		goto fail;
+	}
+	switch_dev->name = pdata->name;
+
+	switch_dev->ports = (bd->device_id == 0x98) ? 9 : 6;
+	switch_dev->port_mask[0] = (bd->device_id == 0x98) ? 0x1FF : 0x11F;
+	switch_dev->driver_handlers = bcm539x_switch_handlers;
+	switch_dev->reg_handlers = NULL;
+	switch_dev->vlan_handlers = bcm539x_switch_handlers_vlan;
+	switch_dev->port_handlers = bcm539x_switch_handlers_port;
+
+	bd->switch_dev = switch_dev;
+	switch_set_drvdata(switch_dev, (void *)bd);
+
+	ret = switch_register(bd->switch_dev);
+	if (ret < 0) {
+		goto fail;
+	}
+
+	printk(KERN_INFO "bcm53%02x switch chip initialized\n", bd->device_id);
+
+	return ret;
+
+fail:
+	if (switch_dev) {
+		switch_release(switch_dev);
+	}
+	dev_set_drvdata(&spi->dev, NULL);
+	kfree(bd);
+	return ret;
+}
+
+static int __attribute__((unused)) bcm539x_remove(struct spi_device *spi)
+{
+	struct bcm539x_data *bd;
+
+	bd = dev_get_drvdata(&spi->dev);
+
+	if (bd->pdata->flags & SWITCH_DEV_FLAG_HW_RESET) {
+		gpio_free(bd->pdata->pin_reset);
+	}
+
+	if (bd->switch_dev) {
+		switch_unregister(bd->switch_dev);
+		switch_release(bd->switch_dev);
+	}
+
+	dev_set_drvdata(&spi->dev, NULL);
+
+	kfree(bd);
+
+	return 0;
+}
+
+static struct spi_driver bcm539x_driver = {
+	.driver = {
+		.name		= DRIVER_NAME,
+		.owner		= THIS_MODULE,
+	},
+	.probe		= bcm539x_probe,
+	.remove		= __devexit_p(bcm539x_remove),
+};
+
+static int __init bcm539x_init(void)
+{
+	return spi_register_driver(&bcm539x_driver);
+}
+
+module_init(bcm539x_init);
+
+static void __exit bcm539x_exit(void)
+{
+	spi_unregister_driver(&bcm539x_driver);
+}
+module_exit(bcm539x_exit);
+
+MODULE_AUTHOR("Pat Tjin");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("bcm539x SPI switch chip driver");
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-common/switch-bcm539x-reg.h linux-2.6.30.10-ubi/arch/ubicom32/mach-common/switch-bcm539x-reg.h
--- linux-2.6.30.10/arch/ubicom32/mach-common/switch-bcm539x-reg.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-common/switch-bcm539x-reg.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,221 @@
+/*
+ * arch/ubicom32/mach-common/switch-bcm539x-reg.h
+ *   Broadcom switch definitions for Ubicom32 architecture.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+/*
+ * Broadcom 53xx RoboSwitch device driver.
+ *
+ * Copyright 2007, Broadcom Corporation
+ * All Rights Reserved.
+ *
+ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
+ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
+ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
+ *
+ * $Id$
+ */
+
+#ifndef _SWITCH_BCM539X_REG_H_
+#define _SWITCH_BCM539X_REG_H_
+
+#define	BCM539X_CMD_READ		0x60
+#define	BCM539X_CMD_WRITE		0x61
+
+#define	BCM539X_GLOBAL_SPI_DATA0	0xf0
+
+#define	BCM539X_GLOBAL_SPI_STATUS	0xfe
+#define	BCM539X_GLOBAL_SPI_ST_SPIF	(1<<7)
+#define	BCM539X_GLOBAL_SPI_ST_RACK	(1<<5)
+
+#define	BCM539X_GLOBAL_PAGE		0xff
+
+#define PAGE_PORT_TC			0x00		// Port Traffic Control Register
+
+#define PAGE_QOS_CTL			0x30		// QoS Global Control Register
+#define PAGE_QOS_TAG			0x34		// Default IEEE 802.1Q TAG Register
+
+#define PAGE_MII_CTL_PORT0		0x10		// Internal PHY MII Register
+#define PAGE_MII_CTL_PORT1		0x11
+#define PAGE_MII_CTL_PORT2		0x12
+#define PAGE_MII_CTL_PORT3		0x13
+#define PAGE_MII_CTL_PORT4		0x14
+
+#define PAGE_STATUS			0x01		// Status Register Page
+#define PAGE_RATE_CONTROL		0x41		// Broadcast Storm Suppression Register
+
+#define REG_GRATE_CONTROL		0x00
+
+#define REG_LED_POWER			0x12
+
+// Ingress Rate Control
+#define REG_IRATE_CONTROLP0		0x10
+#define REG_IRATE_CONTROLP1		0x14
+#define REG_IRATE_CONTROLP2		0x18
+#define REG_IRATE_CONTROLP3		0x1C
+#define REG_IRATE_CONTROLP4		0x20
+#define REG_IRATE_CONTROLP7		0x2C
+#define REG_IRATE_CONTROLPI		0x30
+
+// Egress Rate Control
+#define REG_ERATE_CONTROLP0		0x80
+#define REG_ERATE_CONTROLP1		0x82
+#define REG_ERATE_CONTROLP2		0x84
+#define REG_ERATE_CONTROLP3		0x86
+#define REG_ERATE_CONTROLP4		0x88
+#define REG_ERATE_CONTROLP5		0x8A
+#define REG_ERATE_CONTROLP6		0x8C
+#define REG_ERATE_CONTROLP7		0x8E
+#define REG_ERATE_CONTROLPI		0x90
+
+#define REG_LINK_STATUS			0x00
+
+#define REG_TC_PORT0			0x00
+#define REG_TC_PORT1			0x01
+#define REG_TC_PORT2			0x02
+#define REG_TC_PORT3			0x03
+#define REG_TC_PORT4			0x04
+#define REG_TC_PORT5			0x05
+
+#define REG_SPEED_CTL			0x00
+#define REG_SPEED_ADV100		0x08
+#define REG_SPEED_ADV1000		0x12
+
+#define REG_QOS_EN			0x00
+#define REG_QOS_TAG_PORT1		0x12		// Default IEEE 802.1Q TAG, PORT 1
+#define REG_QOS_TAG_PORT2		0x14		// Default IEEE 802.1Q TAG, PORT 2
+#define REG_QOS_TAG_PORT3		0x16		// Default IEEE 802.1Q TAG, PORT 3
+#define REG_QOS_TAG_PORT4		0x18		// Default IEEE 802.1Q TAG, PORT 4
+#define REG_QOS_PID_PORT1		0x52		// Ingress Port Priority ID MAP, PORT 1
+#define REG_QOS_PID_PORT2		0x54		// Ingress Port Priority ID MAP, PORT 2
+#define REG_QOS_PID_PORT3		0x56		// Ingress Port Priority ID MAP, PORT 3
+#define REG_QOS_PID_PORT4		0x58		// Ingress Port Priority ID MAP, PORT 4
+#define REG_QOS_TXQ_CTL			0x80		// Tx Queue Control Register
+#define REG_QOS_TXQ_WHTQ0		0x81		// Tx Queue Weight Register Queue 0
+#define REG_QOS_TXQ_WHTQ1		0x82		// Tx Queue Weight Register Queue 1
+#define REG_QOS_TXQ_WHTQ2		0x83		// Tx Queue Weight Register Queue 2
+#define REG_QOS_TXQ_WHTQ3		0x84		// Tx Queue Weight Register Queue 3
+
+#define REG_CTRL_PPSEL  		0x24		/* 5397: Protected port select register */
+
+#define RATE_CONTROL_ENABLED		(1 << 22)
+#define RATE_CONTROL_BSIZE		((1 << 10) | (1 << 9) | (1 << 8))
+
+#define RATE_CONTROL_HIGH		((1 << 7) | (1 << 6) | (1 << 5) | (1 << 4))
+#define RATE_CONTROL_HIGH_N		~((1 << 3) | (1 << 2) | (1 << 1) | (1 << 0))
+
+#define RATE_CONTROL_MEDIUM		((1 << 6) | (1 << 5) | (1 << 4) | (1 << 3) | (1 << 2) | (1 << 1) | (1 << 0))
+#define RATE_CONTROL_MEDIUM_N		~((1 << 7))
+
+#define RATE_CONTROL_NORMAL		((1 << 5) | (1 << 2) | (1 << 0))
+#define RATE_CONTROL_NORMAL_N		~((1 << 7) | (1 << 6) | (1 << 4) | (1 << 3) | (1 << 1))
+
+#define RATE_CONTROL_LOW		((1 << 4) | (1 << 3) | (1 << 0))
+#define RATE_CONTROL_LOW_N		~((1 << 7) | (1 << 6) | (1 << 5) | (1 << 2) | (1 << 1))
+
+// --- Gemtek, Configure the switch to support Ethernet Port QoS
+
+/* MII access registers */
+#define PSEUDO_PHYAD			0x1E	/* MII Pseudo PHY address */
+#define REG_MII_PAGE			0x10	/* MII Page register */
+#define REG_MII_ADDR			0x11	/* MII Address register */
+#define REG_MII_DATA0			0x18	/* MII Data register 0 */
+#define REG_MII_DATA1			0x19	/* MII Data register 1 */
+#define REG_MII_DATA2			0x1a	/* MII Data register 2 */
+#define REG_MII_DATA3			0x1b	/* MII Data register 3 */
+
+/* Page numbers */
+#define PAGE_CTRL			0x00	/* Control page */
+#define PAGE_MMR			0x02	/* 5397 Management/Mirroring page */
+#define PAGE_VTBL			0x05	/* ARL/VLAN Table access page */
+#define PAGE_VLAN			0x34	/* VLAN page */
+
+/* Control page registers */
+#define REG_CTRL_PORT0			0x00	/* Port 0 traffic control register */
+#define REG_CTRL_PORT1			0x01	/* Port 1 traffic control register */
+#define REG_CTRL_PORT2			0x02	/* Port 2 traffic control register */
+#define REG_CTRL_PORT3			0x03	/* Port 3 traffic control register */
+#define REG_CTRL_PORT4			0x04	/* Port 4 traffic control register */
+#define REG_CTRL_PORT5			0x05	/* Port 5 traffic control register */
+#define REG_CTRL_PORT6			0x06	/* Port 6 traffic control register */
+#define REG_CTRL_PORT7			0x07	/* Port 7 traffic control register */
+#define REG_CTRL_MODE			0x0B	/* Switch Mode register */
+#define REG_CTRL_MIIPO			0x0E	/* 5325: MII Port Override register */
+#define REG_CTRL_SRST			0x79	/* Software reset control register */
+
+#define REG_DEVICE_ID			0x30	/* 539x Device id: */
+#define	DEVID5395			0x95	/*  5395 */
+#define	DEVID5397			0x97	/*  5397 */
+#define	DEVID5398			0x98	/*  5398 */
+#define REG_REVISION_ID			0x40	/* 539x Revision id: */
+
+/* VLAN page registers */
+#define REG_VLAN_CTRL0			0x00	/* VLAN Control 0 register */
+#define REG_VLAN_CTRL1			0x01	/* VLAN Control 1 register */
+#define REG_VLAN_CTRL2			0x02	/* VLAN Control 2 register */
+#define REG_VLAN_CTRL3			0x03	/* VLAN Control 3 register */
+#define REG_VLAN_CTRL4			0x04	/* VLAN Control 4 register */
+#define REG_VLAN_CTRL5			0x05	/* VLAN Control 5 register */
+#define REG_VLAN_ACCESS			0x06	/* VLAN Table Access register */
+#define REG_VLAN_WRITE			0x08	/* VLAN Write register */
+#define REG_VLAN_READ			0x0C	/* VLAN Read register */
+#define REG_VLAN_PTAG0			0x10	/* VLAN Default Port Tag register - port 0 */
+#define REG_VLAN_PTAG1			0x12	/* VLAN Default Port Tag register - port 1 */
+#define REG_VLAN_PTAG2			0x14	/* VLAN Default Port Tag register - port 2 */
+#define REG_VLAN_PTAG3			0x16	/* VLAN Default Port Tag register - port 3 */
+#define REG_VLAN_PTAG4			0x18	/* VLAN Default Port Tag register - port 4 */
+#define REG_VLAN_PTAG5			0x1a	/* VLAN Default Port Tag register - port 5 */
+#define REG_VLAN_PTAG6			0x1c	/* VLAN Default Port Tag register - port 6 */
+#define REG_VLAN_PTAG7			0x1e	/* VLAN Default Port Tag register - port 7 */
+#define REG_VLAN_PTAG8			0x20	/* 539x: VLAN Default Port Tag register - IMP port */
+#define REG_VLAN_PMAP			0x20	/* 5325: VLAN Priority Re-map register */
+
+/* ARL/VLAN Table Access page registers */
+#define REG_VTBL_CTRL			0x00	/* ARL Read/Write Control */
+#define REG_VTBL_MINDX			0x02	/* MAC Address Index */
+#define REG_VTBL_VINDX			0x08	/* VID Table Index */
+#define REG_VTBL_ARL_E0			0x10	/* ARL Entry 0 */
+#define REG_VTBL_ARL_E1			0x18	/* ARL Entry 1 */
+#define REG_VTBL_DAT_E0			0x18	/* ARL Table Data Entry 0 */
+#define REG_VTBL_SCTRL			0x20	/* ARL Search Control */
+#define REG_VTBL_SADDR			0x22	/* ARL Search Address */
+#define REG_VTBL_SRES			0x24	/* ARL Search Result */
+#define REG_VTBL_SREXT			0x2c	/* ARL Search Result */
+#define REG_VTBL_VID_E0			0x30	/* VID Entry 0 */
+#define REG_VTBL_VID_E1			0x32	/* VID Entry 1 */
+#define REG_VTBL_PREG			0xFF	/* Page Register */
+#define REG_VTBL_ACCESS			0x60	/* VLAN table access register */
+#define REG_VTBL_INDX			0x61	/* VLAN table address index register */
+#define REG_VTBL_ENTRY			0x63	/* VLAN table entry register */
+#define REG_VTBL_ACCESS_5395		0x80	/* VLAN table access register */
+#define REG_VTBL_INDX_5395		0x81	/* VLAN table address index register */
+#define REG_VTBL_ENTRY_5395		0x83	/* VLAN table entry register */
+
+/* SPI registers */
+#define REG_SPI_PAGE			0xff	/* SPI Page register */
+
+#endif
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-common/switch-core.c linux-2.6.30.10-ubi/arch/ubicom32/mach-common/switch-core.c
--- linux-2.6.30.10/arch/ubicom32/mach-common/switch-core.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-common/switch-core.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,737 @@
+/*
+ * arch/ubicom32/mach-common/switch-core.c
+ *   Ubicom32 architecture switch and /proc/switch/... implementation.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 2005 Felix Fietkau <openwrt@nbd.name>
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ *
+ * Basic doc of driver's /proc interface:
+ * /proc/switch/<interface>/
+ *   registers:              read-only
+ *   counters:               read-only
+ *   reset:                  write causes hardware reset
+ *   enable:                 "0", "1"
+ *   enable_vlan:            "0", "1"
+ *   port/<port-number>/
+ *     enabled:              "0", "1"
+ *     link state:           read-only
+ *     media:                "AUTO", "1000FD", "100FD", "100HD", "10FD", "10HD"
+ *   vlan/<port-number>/
+ *     ports: same syntax as for nvram's vlan*ports (eg. "1 2 3 4 5*")
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/uaccess.h>
+#include <linux/ctype.h>
+#include <linux/proc_fs.h>
+#include <linux/list.h>
+#include <linux/rwsem.h>
+#include <linux/device.h>
+
+#include "switch-core.h"
+
+/*
+ * Pointer to the root of our filesystem
+ */
+static struct proc_dir_entry *switch_root;
+
+/*
+ * Lock used to manage access to the switch list
+ */
+DECLARE_RWSEM(switch_list_lock);
+EXPORT_SYMBOL_GPL(switch_list_lock);
+
+/*
+ * List of switches we are managing
+ */
+LIST_HEAD(switch_list);
+EXPORT_SYMBOL_GPL(switch_list);
+
+/*
+ * List of handlers we have
+ */
+LIST_HEAD(switch_handler_list);
+EXPORT_SYMBOL_GPL(switch_handler_list);
+
+/*
+ * Keep track of all the handlers we added
+ */
+struct switch_handler_entry {
+	struct list_head		node;
+	struct proc_dir_entry		*parent;
+	struct switch_device		*dev;
+	const struct switch_handler	*handler;
+	int				inst;
+};
+
+/*
+ * Keep track of all VLAN dirs we created
+ */
+struct switch_vlan_entry {
+	struct list_head		node;
+	struct proc_dir_entry		*pde;
+	int				vlan_id;
+	const struct switch_handler	*handlers;
+};
+
+/*
+ * switch_parse_vlan_ports
+ *	Parse the vlan properties written to <driver>/vlan/<vlan_id>/ports
+ */
+void switch_parse_vlan_ports(struct switch_device *switch_dev,
+			     char *buf, u32_t *untag,
+			     u32_t *ports, u32_t *def)
+{
+	u32_t tag = 0;
+	*untag = 0;
+	*ports = 0;
+	*def = 0;
+
+
+	/*
+	 * Skip any leading spaces
+	 */
+	while (isspace(*buf)) {
+		buf++;
+	}
+
+	/*
+	 * Parse out the string
+	 */
+	while (*buf) {
+		u32_t port = simple_strtoul(buf, &buf, 10);
+		u32_t mask = (1 << port);
+
+		/*
+		 * Parse out any flags
+		 */
+		while (*buf && !isspace(*buf)) {
+			switch (*buf++) {
+			case 't':
+				tag |= mask;
+				break;
+			case '*':
+				*def |= mask;
+				break;
+			}
+		}
+		*ports |= mask;
+
+		/*
+		 * Skip any spaces
+		 */
+		while (isspace(*buf)) {
+			buf++;
+		}
+	}
+
+	*untag = ~tag & *ports;
+}
+
+/*
+ * switch_proc_read
+ *	Handle reads from the procfs, dispatches the driver specific handler
+ */
+static ssize_t switch_proc_read(struct file *file, char *buf, size_t count,
+				loff_t *ppos)
+{
+	struct proc_dir_entry *pde = PDE(file->f_dentry->d_inode);
+	char *page;
+	int len = 0;
+
+	page = kmalloc(SWITCH_MAX_BUFSZ, GFP_KERNEL);
+	if (!page) {
+		return -ENOBUFS;
+	}
+
+	if (pde->data != NULL) {
+		struct switch_handler_entry *she =
+			(struct switch_handler_entry *)pde->data;
+		if (she->handler->read) {
+			len += she->handler->read(she->dev, page + len,
+						  she->inst);
+		}
+	}
+	len += 1;
+
+	if (*ppos < len) {
+		len = min_t(int, len - *ppos, count);
+		if (copy_to_user(buf, (page + *ppos), len)) {
+			kfree(page);
+			return -EFAULT;
+		}
+		*ppos += len;
+	} else {
+		len = 0;
+	}
+
+	kfree(page);
+
+	return len;
+}
+
+/*
+ * switch_proc_write
+ *	Handle writes from the procfs, dispatches the driver specific handler
+ */
+static ssize_t switch_proc_write(struct file *file, const char *buf,
+				 size_t count, loff_t *data)
+{
+	struct proc_dir_entry *pde = PDE(file->f_dentry->d_inode);
+	char *page;
+	int ret = -EINVAL;
+
+	page = kmalloc(count + 1, GFP_KERNEL);
+	if (page == NULL)
+		return -ENOBUFS;
+
+	if (copy_from_user(page, buf, count)) {
+		kfree(page);
+		return -EINVAL;
+	}
+	page[count] = 0;
+
+	if (pde->data != NULL) {
+		struct switch_handler_entry *she =
+			(struct switch_handler_entry *)pde->data;
+		if (she->handler->write) {
+			ret = she->handler->write(she->dev, page, she->inst);
+			if (ret >= 0) {
+				ret = count;
+			}
+		}
+	}
+
+	kfree(page);
+	return ret;
+}
+
+/*
+ * File operations for the proc_fs, we must cast here since proc_fs' definitions
+ * differ from file_operations definitions.
+ */
+static struct file_operations switch_proc_fops = {
+	.read = (ssize_t (*) (struct file *, char __user *,
+			      size_t, loff_t *))switch_proc_read,
+	.write = (ssize_t (*) (struct file *, const char __user *,
+			       size_t, loff_t *))switch_proc_write,
+};
+
+/*
+ * switch_add_handler
+ */
+static int switch_add_handler(struct switch_device *switch_dev,
+			      struct proc_dir_entry *parent,
+			      const struct switch_handler *handler,
+			      int inst)
+{
+	struct switch_handler_entry *she;
+	struct proc_dir_entry *pde;
+	int mode;
+
+	she = (struct switch_handler_entry *)
+		kzalloc(sizeof(struct switch_handler_entry), GFP_KERNEL);
+	if (!she) {
+		return -ENOMEM;
+	}
+
+	INIT_LIST_HEAD(&she->node);
+	she->parent = parent;
+	she->dev = switch_dev;
+	she->inst = inst;
+	she->handler = handler;
+	list_add(&she->node, &switch_dev->handlers);
+
+	mode = 0;
+	if (handler->read != NULL) {
+		mode |= S_IRUSR;
+	}
+	if (handler->write != NULL) {
+		mode |= S_IWUSR;
+	}
+
+	pde = create_proc_entry(handler->name, mode, parent);
+	if (!pde) {
+		kfree(she);
+		printk("Failed to create node '%s' in parent %p\n",
+		       handler->name, parent);
+		return -ENOMEM;
+	}
+	pde->data = (void *)she;
+	pde->proc_fops = &switch_proc_fops;
+
+	return 0;
+}
+
+/*
+ * switch_add_handlers
+ */
+static int switch_add_handlers(struct switch_device *switch_dev,
+			       struct proc_dir_entry *parent,
+			       const struct switch_handler *handlers,
+			       int inst)
+{
+	while (handlers->name) {
+		int ret = switch_add_handler(switch_dev,
+					     parent, handlers, inst);
+		if (ret) {
+			return ret;
+		}
+		handlers++;
+	}
+
+	return 0;
+}
+
+/*
+ * switch_remove_vlan_dirs
+ *	Removes all vlan directories
+ *
+ * Assumes all vlan directories are empty, should be called after
+ * switch_remove_handlers
+ */
+static void switch_remove_vlan_dirs(struct switch_device *switch_dev)
+{
+	struct list_head *pos;
+	struct list_head *tmp;
+	struct switch_vlan_entry *sve;
+
+	list_for_each_safe(pos, tmp, &switch_dev->vlan_dirs) {
+		sve = list_entry(pos, struct switch_vlan_entry, node);
+		list_del(pos);
+		remove_proc_entry(sve->pde->name, switch_dev->vlan_dir);
+		kfree(sve);
+	}
+}
+
+/*
+ * switch_remove_handlers
+ *	Removes all handlers registered to the given switch_device
+ */
+static void switch_remove_handlers(struct switch_device *switch_dev)
+{
+	struct list_head *pos;
+	struct list_head *tmp;
+	struct switch_handler_entry *she;
+
+	list_for_each_safe(pos, tmp, &switch_dev->handlers) {
+		she = list_entry(pos, struct switch_handler_entry, node);
+		list_del(pos);
+		remove_proc_entry(she->handler->name, she->parent);
+		kfree(she);
+	}
+}
+
+/*
+ * switch_unregister_proc_nodes
+ *	Unregisters all proc nodes related to switch_dev
+ */
+void switch_unregister_proc_nodes(struct switch_device *switch_dev)
+{
+	switch_remove_handlers(switch_dev);
+
+	if (switch_dev->port_dirs) {
+		int i;
+
+		for (i = 0; i < switch_dev->ports; i++) {
+			if (switch_dev->port_dirs[i]) {
+				remove_proc_entry(
+					switch_dev->port_dirs[i]->name,
+					switch_dev->port_dir);
+			}
+		}
+	}
+
+	if (switch_dev->port_dir) {
+		remove_proc_entry("port", switch_dev->driver_dir);
+		switch_dev->port_dir = NULL;
+	}
+
+	if (switch_dev->reg_dir) {
+		remove_proc_entry("reg", switch_dev->reg_dir);
+		switch_dev->reg_dir = NULL;
+	}
+
+	if (switch_dev->vlan_dir) {
+		switch_remove_vlan_dirs(switch_dev);
+		remove_proc_entry("vlan", switch_dev->driver_dir);
+		switch_dev->vlan_dir = NULL;
+	}
+
+	if (switch_dev->driver_dir) {
+		remove_proc_entry(switch_dev->name, switch_root);
+		switch_dev->driver_dir = NULL;
+	}
+}
+
+/*
+ * switch_remove_vlan_dir
+ *	Removes vlan dir in switch/<switch_driver>/vlan/<vlan_id>
+ */
+int switch_remove_vlan_dir(struct switch_device *switch_dev, int vlan_id)
+{
+	struct list_head *pos;
+	struct switch_vlan_entry *sve = NULL;
+
+	list_for_each(pos, &switch_dev->vlan_dirs) {
+		struct switch_vlan_entry *tmp =
+			list_entry(pos, struct switch_vlan_entry, node);
+		if (tmp->vlan_id == vlan_id) {
+			sve = tmp;
+			break;
+		}
+	}
+
+	if (!sve) {
+		return -ENOENT;
+	}
+
+	/*
+	 * Remove it from the list
+	 */
+	list_del(pos);
+
+	/*
+	 * Remove the handlers
+	 */
+	while (sve->handlers->name) {
+		remove_proc_entry(sve->handlers->name, sve->pde);
+		sve->handlers++;
+	}
+
+	/*
+	 * Remove the proc entry for the <vlan_id> dir
+	 */
+	remove_proc_entry(sve->pde->name, switch_dev->vlan_dir);
+
+	kfree(sve);
+
+	return 0;
+}
+
+/*
+ * switch_create_vlan_dir
+ *	Creates vlan dir in switch/<switch_driver>/vlan/<vlan_id>
+ */
+int switch_create_vlan_dir(struct switch_device *switch_dev,
+			   int vlan_id, const struct switch_handler *handlers)
+{
+	char s[14];
+	struct proc_dir_entry *pde = NULL;
+	struct switch_vlan_entry *sve = NULL;
+	int ret;
+	struct list_head *pos;
+
+	/*
+	 * Check to see if it exists already
+	 */
+	list_for_each(pos, &switch_dev->vlan_dirs) {
+		sve = list_entry(pos, struct switch_vlan_entry, node);
+		if (sve->vlan_id == vlan_id) {
+			return -EEXIST;
+		}
+	}
+	sve = NULL;
+
+	/*
+	 * Create the vlan directory if we didn't have it before
+	 */
+	if (!switch_dev->vlan_dir) {
+		switch_dev->vlan_dir = proc_mkdir("vlan",
+						  switch_dev->driver_dir);
+		if (!switch_dev->vlan_dir) {
+			goto fail;
+		}
+		if (switch_dev->vlan_handlers) {
+			ret = switch_add_handlers(switch_dev,
+						  switch_dev->vlan_dir,
+						  switch_dev->vlan_handlers, 0);
+			if (ret) {
+				goto fail;
+			}
+		}
+	}
+
+	/*
+	 * Create the vlan_id directory
+	 */
+	snprintf(s, 14, "%d", vlan_id);
+	pde = proc_mkdir(s, switch_dev->vlan_dir);
+	if (!pde) {
+		goto fail;
+	}
+
+	/*
+	 * Create the handlers for this vlan
+	 */
+	if (handlers) {
+		ret = switch_add_handlers(switch_dev, pde, handlers, vlan_id);
+		if (ret) {
+			goto fail;
+		}
+	}
+
+	/*
+	 * Keep track of all the switch vlan entries created
+	 */
+	sve = (struct switch_vlan_entry *)
+		kzalloc(sizeof(struct switch_vlan_entry), GFP_KERNEL);
+	if (!sve) {
+		goto fail;
+	}
+	INIT_LIST_HEAD(&sve->node);
+	sve->handlers = handlers;
+	sve->vlan_id = vlan_id;
+	sve->pde = pde;
+	list_add(&sve->node, &switch_dev->vlan_dirs);
+
+	return 0;
+
+fail:
+	if (sve) {
+		kfree(sve);
+	}
+
+	if (pde) {
+		/*
+		 * Remove any proc entries we might have created
+		 */
+		while (handlers->name) {
+			remove_proc_entry(handlers->name, pde);
+			handlers++;
+		}
+
+		remove_proc_entry(s, switch_dev->driver_dir);
+	}
+
+	return -ENOMEM;
+}
+
+/*
+ * switch_register_proc_nodes
+ */
+int switch_register_proc_nodes(struct switch_device *switch_dev)
+{
+	int i;
+	int n;
+
+	switch_dev->port_dirs = kzalloc(switch_dev->ports *
+					sizeof(struct proc_dir_entry *),
+					GFP_KERNEL);
+	if (!switch_dev->port_dirs) {
+		return -ENOMEM;
+	}
+
+	/*
+	 * Create a new proc entry for this switch
+	 */
+	switch_dev->driver_dir = proc_mkdir(switch_dev->name, switch_root);
+	if (!switch_dev->driver_dir) {
+		goto fail;
+	}
+	if (switch_dev->driver_handlers) {
+		switch_add_handlers(switch_dev,
+				    switch_dev->driver_dir,
+				    switch_dev->driver_handlers,
+				    0);
+	}
+
+	/*
+	 * Create the ports
+	 */
+	switch_dev->port_dir = proc_mkdir("port", switch_dev->driver_dir);
+	if (!switch_dev->port_dir) {
+		goto fail;
+	}
+	for (n = 0, i = 0; i < (SWITCH_PORT_MASK_SIZE * 32); i++) {
+		if (switch_dev->port_mask[i / 32] & (1 << i % 32)) {
+			char s[14];
+
+			snprintf(s, 14, "%d", i);
+			switch_dev->port_dirs[n] =
+				proc_mkdir(s, switch_dev->port_dir);
+			if (!switch_dev->port_dirs[n]) {
+				goto fail;
+			}
+			if (switch_dev->port_handlers) {
+				switch_add_handlers(switch_dev,
+						    switch_dev->port_dirs[n],
+						    switch_dev->port_handlers,
+						    i);
+			}
+			n++;
+		}
+	}
+
+	/*
+	 * Create the register directory for switch register access.
+	 */
+	if (switch_dev->reg_handlers) {
+		switch_dev->reg_dir = proc_mkdir("reg", switch_dev->driver_dir);
+		if (!switch_dev->reg_dir) {
+			goto fail;
+		}
+
+		switch_add_handlers(switch_dev,
+				    switch_dev->reg_dir,
+				    switch_dev->reg_handlers,
+				    0);
+	}
+
+	/*
+	 * Create the vlan directory
+	 */
+	if (switch_dev->vlan_handlers) {
+		switch_dev->vlan_dir = proc_mkdir("vlan",
+						  switch_dev->driver_dir);
+		if (!switch_dev->vlan_dir) {
+			goto fail;
+		}
+		if (switch_dev->vlan_handlers) {
+			switch_add_handlers(switch_dev,
+					    switch_dev->vlan_dir,
+					    switch_dev->vlan_handlers,
+					    0);
+		}
+	}
+
+	return 0;
+
+fail:
+	switch_unregister_proc_nodes(switch_dev);
+	return -ENOMEM;
+}
+
+/*
+ * switch_release
+ */
+void switch_release(struct switch_device *switch_dev)
+{
+	kfree(switch_dev);
+}
+
+/*
+ * switch_alloc
+ */
+struct switch_device *switch_alloc(void)
+{
+	struct switch_device *switch_dev =
+		kzalloc(sizeof(struct switch_device),
+						GFP_KERNEL);
+	INIT_LIST_HEAD(&switch_dev->node);
+	INIT_LIST_HEAD(&switch_dev->vlan_dirs);
+	INIT_LIST_HEAD(&switch_dev->handlers);
+	return switch_dev;
+}
+
+/*
+ * switch_register
+ */
+int switch_register(struct switch_device *switch_dev)
+{
+	int ret;
+	int i;
+
+	/*
+	 * Make sure that the number of ports and the port mask make sense
+	 */
+	for (ret = 0, i = 0; i < (SWITCH_PORT_MASK_SIZE * 32); i++) {
+		if (switch_dev->port_mask[i / 32] & (1 << i % 32)) {
+			ret++;
+		}
+	}
+	if (ret > switch_dev->ports) {
+		return -EINVAL;
+	}
+
+	/*
+	 * Create the /proc entries
+	 */
+	ret = switch_register_proc_nodes(switch_dev);
+	if (ret) {
+		return ret;
+	}
+
+	/*
+	 * Add it to the list of switches
+	 */
+	down_write(&switch_list_lock);
+	list_add_tail(&switch_dev->node, &switch_list);
+	up_write(&switch_list_lock);
+
+	printk(KERN_INFO "Registered switch device: %s\n", switch_dev->name);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(switch_register);
+
+/*
+ * switch_unregister
+ *	Unregisters a previously registered switch_device object
+ */
+void switch_unregister(struct switch_device *switch_dev)
+{
+	/*
+	 * remove the proc entries
+	 */
+	switch_unregister_proc_nodes(switch_dev);
+
+	/*
+	 * Remove it from the list of switches
+	 */
+	down_write(&switch_list_lock);
+	list_del(&switch_dev->node);
+	up_write(&switch_list_lock);
+
+	printk(KERN_INFO "Unregistered switch device: %s\n", switch_dev->name);
+}
+EXPORT_SYMBOL_GPL(switch_unregister);
+
+/*
+ * switch_init
+ */
+static int __init switch_init(void)
+{
+	switch_root = proc_mkdir("switch", NULL);
+	if (!switch_root) {
+		printk(KERN_WARNING "Failed to make root switch node\n");
+		return -ENODEV;
+	}
+	return 0;
+}
+module_init(switch_init);
+
+/*
+ * switch_exit
+ */
+static void __exit switch_exit(void)
+{
+	remove_proc_entry("switch", NULL);
+}
+module_exit(switch_exit);
+
+MODULE_AUTHOR("Patrick Tjin");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Ethernet Switch Class Interface");
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-common/switch-core.h linux-2.6.30.10-ubi/arch/ubicom32/mach-common/switch-core.h
--- linux-2.6.30.10/arch/ubicom32/mach-common/switch-core.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-common/switch-core.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,92 @@
+/*
+ * arch/ubicom32/mach-common/switch-core.h
+ *   Private data for the switch module
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _SWITCH_CORE_H_
+#define _SWITCH_CORE_H_
+
+struct switch_handler_entry;
+struct switch_vlan_entry;
+
+#define SWITCH_PORT_MASK_SIZE	2
+
+struct switch_device {
+	struct list_head		node;
+
+	const char			*name;
+	void				*drvdata;
+
+	u8_t				ports;
+
+	struct proc_dir_entry		*driver_dir;
+	const struct switch_handler	*driver_handlers;
+
+	struct proc_dir_entry		*port_dir;
+	struct proc_dir_entry		**port_dirs;
+	const struct switch_handler	*port_handlers;
+
+	struct proc_dir_entry		*reg_dir;
+	const struct switch_handler	*reg_handlers;
+
+	struct proc_dir_entry		*vlan_dir;
+	const struct switch_handler	*vlan_handlers;
+	struct list_head		vlan_dirs;
+
+	struct list_head		handlers;
+
+	u32_t				port_mask[SWITCH_PORT_MASK_SIZE];
+};
+
+typedef int (*switch_handler_fn)(struct switch_device *, char *buf, int nr);
+struct switch_handler {
+	const char		*name;
+
+	switch_handler_fn	read;
+	switch_handler_fn	write;
+};
+
+#define SWITCH_MAX_BUFSZ	4096
+
+static inline void switch_set_drvdata(struct switch_device *switch_dev, void *drvdata)
+{
+	switch_dev->drvdata = drvdata;
+}
+
+static inline void *switch_get_drvdata(struct switch_device *switch_dev)
+{
+	return switch_dev->drvdata;
+}
+
+extern int switch_create_vlan_dir(struct switch_device *switch_dev, int vlan_id, const struct switch_handler *handlers);
+extern int switch_remove_vlan_dir(struct switch_device *switch_dev, int vlan_id);
+extern void switch_parse_vlan_ports(struct switch_device *switch_dev, char *buf, u32_t *untag, u32_t *ports, u32_t *def);
+
+extern void switch_release(struct switch_device *switch_dev);
+extern struct switch_device *switch_alloc(void);
+extern int switch_register(struct switch_device *switch_dev);
+extern void switch_unregister(struct switch_device *switch_dev);
+
+#endif
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-common/ubi32-gpio.c linux-2.6.30.10-ubi/arch/ubicom32/mach-common/ubi32-gpio.c
--- linux-2.6.30.10/arch/ubicom32/mach-common/ubi32-gpio.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-common/ubi32-gpio.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,411 @@
+/*
+ * arch/ubicom32/mach-common/ubi32-gpio.c
+ *   Ubicom gpio driver
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+#include <linux/irq.h>
+#include <linux/version.h>
+
+#if defined(CONFIG_PROC_FS)
+#include <linux/proc_fs.h>
+#endif
+
+#include <linux/io.h>
+#include <asm/ip5000.h>
+#include <linux/gpio.h>
+
+#define UBI_GPIO_CHECK_RANGE     0  /* !0 enables range checking */
+
+
+/*
+ * Each I/O port can be configured to operate in one of several
+ * functional modes. One of these modes is GPIO, which causes the
+ * entire port to function as a GPIO port.  Since the various port
+ * registers serve the system with other important functions, such as
+ * ethernet, serial, USB, etc., it isn't advantageous to set any of
+ * the ports to be entirely dedicated for GPIO use.  The processor
+ * alternatively allows individual bits of a port to be assigned to be
+ * used as GPIO independently from the overall port function.  This
+ * bit-by-bit assignment is selected by setting the corresponding bit
+ * in the port's gpio_mask register.  When set, the selected bit is
+ * then enabled as a GPIO.  If the corresponding bit is set in the
+ * gpio_ctl register of the port, the bit is configured as a GPIO
+ * output.  Otherwise, it is an input.
+ *
+ * NOTE: This driver uses the bit-by-bit GPIO function assignment
+ * exclusively and *never* sets the port function registers to the
+ * GPIO function.
+ *
+ * GPIO is not the main function of any of the I/O ports.  The port
+ * bit widths are variable from one port to the next, determined by
+ * the more common I/O functions of the ports.  For simplicity, this
+ * driver assumes all the ports are 32 bits wide regardless of the
+ * real bit width of the port.  GPIO bits are numbered from zero to
+ * MAX_UBICOM_GPIOS.  Within a port, the least significant bit is
+ * numbered bit zero, the most significant is bit 31.  Since the ports
+ * are considered logically contiguous, GPIO #32 is the zeroth bit in
+ * port #1, and so on.  Due to the hardware definition, there are
+ * large gaps in the GPIO numbers representing real pins.
+ *
+ * NOTE: It is up to the programmer to refer to the processor data
+ * sheet to determine which bits in which ports can be accessed and
+ * used for GPIO.
+ *
+ */
+
+
+/* There are 9 ports, A through I. Not all 32 bits in each
+ * port can be a GPIO, but we pretend they are.  Its up to the
+ * programmer to refer to the processor data sheet.
+ */
+#define MAX_UBICOM_GPIOS   (9 * 32) /* ARCH_NR_GPIOS */
+#define NUM_GPIO_PORTS     (gpio_bank(MAX_UBICOM_GPIOS))
+
+
+/* GPIO reservation bit map array */
+static int reserved_gpio_map[NUM_GPIO_PORTS];
+
+
+/* Array of hardware io_port addresses */
+static struct ubicom32_io_port *gpio_bank_addr[NUM_GPIO_PORTS] =
+{
+	UBICOM32_IO_PORT(RA),
+	UBICOM32_IO_PORT(RB),
+	UBICOM32_IO_PORT(RC),
+	UBICOM32_IO_PORT(RD),
+	UBICOM32_IO_PORT(RE),
+	UBICOM32_IO_PORT(RF),
+	UBICOM32_IO_PORT(RG),
+	UBICOM32_IO_PORT(RH),
+	UBICOM32_IO_PORT(RI)
+};
+
+
+struct ubi_gpio_chip {
+	/*
+	 * Right now, nothing else lives here.
+	 */
+	struct gpio_chip gpio_chip;
+};
+
+
+#if UBI_GPIO_CHECK_RANGE
+inline int check_gpio(unsigned gpio)
+{
+	if (gpio >= MAX_UBICOM_GPIOS)
+		return -EINVAL;
+	return 0;
+}
+#else
+#define check_gpio(n)   (0)
+#endif
+
+/*
+ * ubi_gpio_get_port
+ *	Get the IO port associated with a certain gpio
+ */
+struct ubicom32_io_port *ubi_gpio_get_port(unsigned gpio)
+{
+	if (gpio_bank(gpio) > NUM_GPIO_PORTS) {
+		return NULL;
+	}
+	return gpio_bank_addr[gpio_bank(gpio)];
+}
+
+/*
+ * ubi_gpio_error()
+ */
+static void ubi_gpio_error(unsigned gpio)
+{
+	printk(KERN_ERR "ubicom-gpio: GPIO %d wasn't requested!\n", gpio);
+}
+
+/*
+ * ubi_port_setup()
+ */
+static void ubi_port_setup(unsigned gpio, unsigned short usage)
+{
+	if (!check_gpio(gpio)) {
+		if (usage) {
+			UBICOM32_GPIO_ENABLE(gpio);
+		} else {
+			UBICOM32_GPIO_DISABLE(gpio);
+		}
+	}
+}
+
+/*
+ * ubi_gpio_request()
+ */
+static int ubi_gpio_request(struct gpio_chip *chip, unsigned gpio)
+{
+	unsigned long flags;
+
+	if (check_gpio(gpio) < 0)
+		return -EINVAL;
+
+	local_irq_save(flags);
+
+	if (unlikely(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))) {
+		printk(KERN_ERR "ubi-gpio: GPIO %d is already reserved!\n",
+		       gpio);
+		local_irq_restore(flags);
+		return -EBUSY;
+	}
+
+	reserved_gpio_map[gpio_bank(gpio)] |= gpio_bit(gpio);
+
+	ubi_port_setup(gpio, 1);
+
+	local_irq_restore(flags);
+
+	return 0;
+}
+
+/*
+ * ubi_gpio_free()
+ */
+static void ubi_gpio_free(struct gpio_chip *chip, unsigned gpio)
+{
+	unsigned long flags;
+
+	if (check_gpio(gpio) < 0)
+		return;
+
+	local_irq_save(flags);
+
+	if (unlikely(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio)))) {
+		ubi_gpio_error(gpio);
+		local_irq_restore(flags);
+		return;
+	}
+
+	/* Assert the pin is no longer claimed */
+	reserved_gpio_map[gpio_bank(gpio)] &= ~gpio_bit(gpio);
+
+	/* Revert port bit to use specified by port->function */
+	ubi_port_setup(gpio, 0);
+
+	local_irq_restore(flags);
+}
+
+/*
+ * ubi_gpio_direction_input()
+ */
+static int ubi_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
+{
+	unsigned long flags;
+
+	if (!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))) {
+		ubi_gpio_error(gpio);
+		return -EINVAL;
+	}
+
+	local_irq_save(flags);
+
+	/* Configure pin as gpio */
+	ubi_port_setup(gpio, 1);
+
+	/* Assert pin is an input */
+	UBICOM32_GPIO_SET_PIN_INPUT(gpio);
+
+	local_irq_restore(flags);
+
+	return 0;
+}
+
+
+/*
+ * ubi_gpio_direction_output()
+ */
+static int ubi_gpio_direction_output(struct gpio_chip *chip,
+				     unsigned gpio, int value)
+{
+	unsigned long flags;
+
+	if (!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))) {
+		ubi_gpio_error(gpio);
+		return -EINVAL;
+	}
+
+	local_irq_save(flags);
+
+	/* Configure pin as gpio and set initial value in gpio_out register
+	 * so that when we enable it as an output, it will have the correct
+	 * initial value.
+	 */
+	ubi_port_setup(gpio, 1);
+	if (value) {
+		UBICOM32_GPIO_SET_PIN_HIGH(gpio);
+	} else {
+		UBICOM32_GPIO_SET_PIN_LOW(gpio);
+	}
+
+	/* Enable the pin as an output */
+	UBICOM32_GPIO_SET_PIN_OUTPUT(gpio);
+
+	local_irq_restore(flags);
+
+	return 0;
+}
+
+
+/*
+ * ubi_gpio_get_value()
+ */
+static int ubi_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
+{
+	return 0 != (gpio_bank_addr[gpio_bank(gpio)]->gpio_in & gpio_bit(gpio));
+}
+
+
+/*
+ * ubi_gpio_set_value()
+ */
+static void ubi_gpio_set_value(struct gpio_chip *chip, unsigned gpio,
+			       int arg)
+{
+	unsigned long flags;
+	local_irq_save(flags);
+
+	if (arg) {
+		UBICOM32_GPIO_SET_PIN_HIGH(gpio);
+	} else {
+		UBICOM32_GPIO_SET_PIN_LOW(gpio);
+	}
+
+	local_irq_restore(flags);
+}
+
+
+/*
+ * ubi_gpio_to_irq()
+ */
+static int ubi_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
+{
+	return gpio_to_irq(gpio);
+}
+
+
+/*
+ * ubi_gpio_init()
+ */
+int __init ubi_gpio_init(void)
+{
+	int k;
+	int status;
+	struct ubi_gpio_chip *chip;
+	struct gpio_chip *gc;
+
+	printk(KERN_INFO "Ubicom GPIO Controller\n");
+
+	chip = kzalloc(sizeof(struct ubi_gpio_chip), GFP_KERNEL);
+	if (chip == NULL)
+		return -ENOMEM;
+
+	gc = &chip->gpio_chip;
+	gc->request          = ubi_gpio_request;
+	gc->free             = ubi_gpio_free;
+	gc->to_irq           = ubi_gpio_to_irq;
+	gc->direction_input  = ubi_gpio_direction_input;
+	gc->direction_output = ubi_gpio_direction_output;
+	gc->get              = ubi_gpio_get_value;
+	gc->set              = ubi_gpio_set_value;
+	gc->can_sleep        = 0;
+	gc->base             = 0;
+	gc->ngpio            = MAX_UBICOM_GPIOS; /* ARCH_NR_GPIOS - 1 */
+	gc->label            = "ubi_gpio";
+
+	status = gpiochip_add(gc);
+	if (status != 0) {
+		kfree(chip);
+		return status;
+	}
+
+	/* Assert all pins are free */
+	for (k = 0; k < NUM_GPIO_PORTS; k++) {
+		reserved_gpio_map[k] = 0;
+	}
+
+	return 0;
+}
+
+#if defined(CONFIG_PROC_FS)
+/*
+ * ubi_get_gpio_dir()
+ */
+static int ubi_get_gpio_dir(unsigned gpio)
+{
+	if (gpio_bank_addr[gpio_bank(gpio)]->gpio_ctl & gpio_bit(gpio))
+		return 1;
+	else
+		return 0;
+}
+
+/*
+ * gpio_proc_read()
+ */
+static int ubi_gpio_proc_read(char *buf, char **start, off_t offset,
+			  int len, int *unused_i, void *unused_v)
+{
+	int c, outlen = 0;
+
+	for (c = 0; c < MAX_UBICOM_GPIOS; c++) {
+		if (!check_gpio(c) &&
+		    (reserved_gpio_map[gpio_bank(c)] & gpio_bit(c))) {
+			len = sprintf(buf, "GPIO_%d:\t\tGPIO %s\n", c,
+				      ubi_get_gpio_dir(c) ? "OUTPUT" : "INPUT");
+		} else {
+			continue;
+		}
+
+		buf += len;
+		outlen += len;
+	}
+	return outlen;
+}
+
+/*
+ * ubi_gpio_register_proc()
+ */
+static __init int ubi_gpio_register_proc(void)
+{
+	struct proc_dir_entry *proc_gpio;
+
+	proc_gpio = create_proc_entry("gpio", S_IRUGO, NULL);
+	if (proc_gpio)
+		proc_gpio->read_proc = ubi_gpio_proc_read;
+
+	return proc_gpio != NULL;
+}
+device_initcall(ubi_gpio_register_proc);
+#endif
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-common/ubicom32hid.c linux-2.6.30.10-ubi/arch/ubicom32/mach-common/ubicom32hid.c
--- linux-2.6.30.10/arch/ubicom32/mach-common/ubicom32hid.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-common/ubicom32hid.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,557 @@
+/*
+ * arch/ubicom32/mach-common/ubicom32hid.c
+ *   I2C driver for HID coprocessor found on some DPF implementations.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/gpio.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/backlight.h>
+#include <linux/fb.h>
+#include <linux/input.h>
+#include <linux/input-polldev.h>
+
+#include <asm/ubicom32hid.h>
+
+#define DRIVER_NAME "ubicom32hid"
+
+#ifdef DEBUG
+static int ubicom32hid_debug;
+#endif
+
+static const struct i2c_device_id ubicom32hid_id[] = {
+	{ DRIVER_NAME, },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, ubicom32hid_id);
+
+/*
+ * Define this to make IR checking strict, in general, it's not needed
+ */
+#undef UBICOM32HID_STRICT_IR_CHECK
+
+#define UBICOM32HID_CMD_SET_PWM		0x01
+#define UBICOM32HID_CMD_SET_BL_EN	0x02
+#define UBICOM32HID_BL_EN_LOW		0x00
+#define UBICOM32HID_BL_EN_HIZ		0x01
+#define UBICOM32HID_BL_EN_HI		0x02
+#define UBICOM32HID_CMD_FLUSH		0x99
+#define UBICOM32HID_CMD_RESET		0x99
+#define UBICOM32HID_CMD_GET_IR_SWITCH	0xC0
+#define UBICOM32HID_CMD_GET_REVISION	0xfd
+#define UBICOM32HID_CMD_GET_DEVICE_ID	0xfe
+#define UBICOM32HID_CMD_GET_VERSION	0xff
+#define UBICOM32HID_DEVICE_ID		0x49
+
+#define UBICOM32HID_MAX_BRIGHTNESS_PWM	255
+
+/*
+ * Data structure returned by the HID device
+ */
+struct ubicom32hid_input_data {
+	uint32_t	ircmd;
+	uint8_t		sw_state;
+	uint8_t		sw_changed;
+};
+
+/*
+ * Our private data
+ */
+struct ubicom32hid_data {
+	/*
+	 * Pointer to the platform data structure, we need the settings.
+	 */
+	const struct ubicom32hid_platform_data	*pdata;
+
+	/*
+	 * Backlight device
+	 */
+	struct backlight_device			*bldev;
+
+	/*
+	 * I2C client, for sending messages to the HID device
+	 */
+	struct i2c_client			*client;
+
+	/*
+	 * Current intensity, used for get_intensity.
+	 */
+	int					cur_intensity;
+
+	/*
+	 * Input subsystem
+	 *	We won't register an input subsystem if there are no mappings.
+	 */
+	struct input_polled_dev			*poll_dev;
+};
+
+
+/*
+ * ubicom32hid_set_intensity
+ */
+static int ubicom32hid_set_intensity(struct backlight_device *bd)
+{
+	struct ubicom32hid_data *ud =
+		(struct ubicom32hid_data *)bl_get_data(bd);
+	int intensity = bd->props.brightness;
+	int reg;
+	u8_t val;
+	int ret;
+
+	/*
+	 * If we're blanked the the intensity doesn't matter.
+	 */
+	if ((bd->props.power != FB_BLANK_UNBLANK) ||
+	    (bd->props.fb_blank != FB_BLANK_UNBLANK)) {
+		intensity = 0;
+	}
+
+	/*
+	 * Set the brightness based on the type of backlight
+	 */
+	if (ud->pdata->type == UBICOM32HID_BL_TYPE_BINARY) {
+		reg = UBICOM32HID_CMD_SET_BL_EN;
+		if (intensity) {
+			val = ud->pdata->invert
+				? UBICOM32HID_BL_EN_LOW : UBICOM32HID_BL_EN_HI;
+		} else {
+			val = ud->pdata->invert
+				? UBICOM32HID_BL_EN_HI : UBICOM32HID_BL_EN_LOW;
+		}
+	} else {
+		reg = UBICOM32HID_CMD_SET_PWM;
+		val = ud->pdata->invert
+			? (UBICOM32HID_MAX_BRIGHTNESS_PWM - intensity) :
+			intensity;
+	}
+
+	/*
+	 * Send the command
+	 */
+	ret = i2c_smbus_write_byte_data(ud->client, reg, val);
+	if (ret < 0) {
+		dev_warn(&ud->client->dev, "Unable to write backlight err=%d\n",
+			 ret);
+		return ret;
+	}
+
+	ud->cur_intensity = intensity;
+
+	return 0;
+}
+
+/*
+ * ubicom32hid_get_intensity
+ *	Return the current intensity of the backlight.
+ */
+static int ubicom32hid_get_intensity(struct backlight_device *bd)
+{
+	struct ubicom32hid_data *ud =
+		(struct ubicom32hid_data *)bl_get_data(bd);
+
+	return ud->cur_intensity;
+}
+
+/*
+ * ubicom32hid_verify_data
+ *	Verify the data to see if there is any action to be taken
+ *
+ * Returns 0 if no action is to be taken, non-zero otherwise
+ */
+static int ubicom32hid_verify_data(struct ubicom32hid_data *ud,
+				   struct ubicom32hid_input_data *data)
+{
+	uint8_t *ircmd = (uint8_t *)&(data->ircmd);
+
+	/*
+	 * ircmd == DEADBEEF means ir queue is empty.  Since this is a
+	 * meaningful code, that means the rest of the message is most likely
+	 * correct, so only process the data if the switch state has changed.
+	 */
+	if (data->ircmd == 0xDEADBEEF) {
+		return data->sw_changed != 0;
+	}
+
+	/*
+	 * We have an ircmd which is not empty:
+	 *      Data[1] should be the complement of Data[0]
+	 */
+	if (ircmd[0] != (u8_t)~ircmd[1]) {
+		return 0;
+	}
+
+#ifdef UBICOM32HID_STRICT_IR_CHECK
+	/*
+	 * It seems that some remote controls don't follow the NEC protocol
+	 * properly, so only do this check if the remote does indeed follow the
+	 * spec.  Data[3] should be the complement of Data[2]
+	 */
+	if (ircmd[2] == (u8_t)~ircmd[3]) {
+		return 1;
+	}
+
+	/*
+	 * For non-compliant remotes, check the system code according to what
+	 * they send.
+	 */
+	if ((ircmd[2] != UBICOM32HID_IR_SYSTEM_CODE_CHECK) ||
+	    (ircmd[3] != UBICOM32HID_IR_SYSTEM_CODE)) {
+		return 0;
+	}
+#endif
+
+	/*
+	 * Data checks out, process
+	 */
+	return 1;
+}
+
+/*
+ * ubicom32hid_poll_input
+ *	Poll the input from the HID device.
+ */
+static void ubicom32hid_poll_input(struct input_polled_dev *dev)
+{
+	struct ubicom32hid_data *ud = (struct ubicom32hid_data *)dev->private;
+	const struct ubicom32hid_platform_data *pdata = ud->pdata;
+	struct ubicom32hid_input_data data;
+	struct input_dev *id = dev->input;
+	int i;
+	int sync_needed = 0;
+	uint8_t cmd;
+	int ret;
+
+	/*
+	 * Flush the queue
+	 */
+	cmd = UBICOM32HID_CMD_FLUSH;
+	ret = i2c_master_send(ud->client, &cmd, 1);
+	if (ret < 0) {
+		return;
+	}
+
+	ret = i2c_smbus_read_i2c_block_data(
+		ud->client, UBICOM32HID_CMD_GET_IR_SWITCH, 6, (void *)&data);
+	if (ret < 0) {
+		return;
+	}
+
+	/*
+	 * Verify the data to see if there is any action to be taken
+	 */
+	if (!ubicom32hid_verify_data(ud, &data)) {
+		return;
+	}
+
+#ifdef DEBUG
+	if (ubicom32hid_debug) {
+		printk("Polled ircmd=%8x swstate=%2x swchanged=%2x\n",
+		       data.ircmd, data.sw_state, data.sw_changed);
+	}
+#endif
+
+	/*
+	 * Process changed switches
+	 */
+	if (data.sw_changed) {
+		const struct ubicom32hid_button *ub = pdata->buttons;
+		for (i = 0; i < pdata->nbuttons; i++, ub++) {
+			uint8_t mask = (1 << ub->bit);
+			if (!(data.sw_changed & mask)) {
+				continue;
+			}
+
+			sync_needed = 1;
+			input_event(id, ub->type, ub->code,
+				    (data.sw_state & mask) ? 1 : 0);
+		}
+	}
+	if (sync_needed) {
+		input_sync(id);
+	}
+
+	/*
+	 * Process ir codes
+	 */
+	if (data.ircmd != 0xDEADBEEF) {
+		const struct ubicom32hid_ir *ui = pdata->ircodes;
+		for (i = 0; i < pdata->nircodes; i++, ui++) {
+			if (ui->ir_code == data.ircmd) {
+				/*
+				 * Simulate a up/down event
+				 */
+				input_event(id, ui->type, ui->code, 1);
+				input_sync(id);
+				input_event(id, ui->type, ui->code, 0);
+				input_sync(id);
+			}
+		}
+	}
+}
+
+
+/*
+ * Backlight ops
+ */
+static struct backlight_ops ubicom32hid_blops = {
+	.get_brightness = ubicom32hid_get_intensity,
+	.update_status  = ubicom32hid_set_intensity,
+};
+
+/*
+ * ubicom32hid_probe
+ */
+static int ubicom32hid_probe(struct i2c_client *client,
+			     const struct i2c_device_id *id)
+{
+	struct ubicom32hid_platform_data *pdata;
+	struct ubicom32hid_data *ud;
+	int ret;
+	int i;
+	u8 version[2];
+	char buf[1];
+
+	pdata = client->dev.platform_data;
+	if (pdata == NULL) {
+		return -ENODEV;
+	}
+
+	/*
+	 * See if we even have a device available before allocating memory.
+	 *
+	 * Hard reset the device
+	 */
+	ret = gpio_request(pdata->gpio_reset, "ubicom32hid-reset");
+	if (ret < 0) {
+		return ret;
+	}
+	gpio_direction_output(pdata->gpio_reset, pdata->gpio_reset_polarity);
+	udelay(100);
+	gpio_set_value(pdata->gpio_reset, !pdata->gpio_reset_polarity);
+	udelay(100);
+
+	/*
+	 * soft reset the device.  It sometimes takes a while to do this.
+	 */
+	for (i = 0; i < 50; i++) {
+		buf[0] = UBICOM32HID_CMD_RESET;
+		ret = i2c_master_send(client, buf, 1);
+		if (ret > 0) {
+			break;
+		}
+		udelay(10000);
+	}
+	if (i == 50) {
+		dev_warn(&client->dev, "Unable to reset device\n");
+		goto fail;
+	}
+
+	ret = i2c_smbus_read_byte_data(client, UBICOM32HID_CMD_GET_DEVICE_ID);
+	if (ret != UBICOM32HID_DEVICE_ID) {
+		dev_warn(&client->dev, "Incorrect device id %02x\n", buf[0]);
+		ret = -ENODEV;
+		goto fail;
+	}
+
+	ret = i2c_smbus_read_byte_data(client, UBICOM32HID_CMD_GET_VERSION);
+	if (ret < 0) {
+		dev_warn(&client->dev, "Unable to get version\n");
+		goto fail;
+	}
+	version[0] = ret;
+
+	ret = i2c_smbus_read_byte_data(client, UBICOM32HID_CMD_GET_REVISION);
+	if (ret < 0) {
+		dev_warn(&client->dev, "Unable to get revision\n");
+		goto fail;
+	}
+	version[1] = ret;
+
+	/*
+	 * Allocate our private data
+	 */
+	ud = kzalloc(sizeof(struct ubicom32hid_data), GFP_KERNEL);
+	if (!ud) {
+		ret = -ENOMEM;
+		goto fail;
+	}
+	ud->pdata = pdata;
+	ud->client = client;
+
+	/*
+	 * Register our backlight device
+	 */
+	ud->bldev = backlight_device_register(DRIVER_NAME, &client->dev,
+					      ud, &ubicom32hid_blops);
+	if (IS_ERR(ud->bldev)) {
+		ret = PTR_ERR(ud->bldev);
+		goto fail2;
+	}
+	platform_set_drvdata(client, ud);
+
+	/*
+	 * Start up the backlight with the requested intensity
+	 */
+	ud->bldev->props.power = FB_BLANK_UNBLANK;
+	ud->bldev->props.max_brightness =
+		(pdata->type == UBICOM32HID_BL_TYPE_PWM) ?
+		UBICOM32HID_MAX_BRIGHTNESS_PWM : 1;
+	if (pdata->default_intensity < ud->bldev->props.max_brightness) {
+		ud->bldev->props.brightness = pdata->default_intensity;
+	} else {
+		dev_warn(&client->dev, "Default brightness out of range, "
+			 "setting to max\n");
+		ud->bldev->props.brightness = ud->bldev->props.max_brightness;
+	}
+
+	ubicom32hid_set_intensity(ud->bldev);
+
+	/*
+	 * Check to see if we have any inputs
+	 */
+	if (!pdata->nbuttons && !pdata->nircodes) {
+		goto done;
+	}
+
+	/*
+	 * We have buttons or codes, we must register an input device
+	 */
+	ud->poll_dev = input_allocate_polled_device();
+	if (!ud->poll_dev) {
+		ret = -ENOMEM;
+		goto fail3;
+	}
+
+	/*
+	 * Setup the polling to default to 100ms
+	 */
+	ud->poll_dev->poll = ubicom32hid_poll_input;
+	ud->poll_dev->poll_interval =
+		pdata->poll_interval ? pdata->poll_interval : 100;
+	ud->poll_dev->private = ud;
+
+	ud->poll_dev->input->name =
+		pdata->input_name ? pdata->input_name : "Ubicom32HID";
+	ud->poll_dev->input->phys = "ubicom32hid/input0";
+	ud->poll_dev->input->dev.parent = &client->dev;
+	ud->poll_dev->input->id.bustype = BUS_I2C;
+
+	/*
+	 * Set the capabilities by running through the buttons and ir codes
+	 */
+	for (i = 0; i < pdata->nbuttons; i++) {
+		const struct ubicom32hid_button *ub = &pdata->buttons[i];
+
+		input_set_capability(ud->poll_dev->input,
+				     ub->type ? ub->type : EV_KEY, ub->code);
+	}
+
+	for (i = 0; i < pdata->nircodes; i++) {
+		const struct ubicom32hid_ir *ui = &pdata->ircodes[i];
+
+		input_set_capability(ud->poll_dev->input,
+				     ui->type ? ui->type : EV_KEY, ui->code);
+	}
+
+	ret = input_register_polled_device(ud->poll_dev);
+	if (ret) {
+		goto fail3;
+	}
+
+done:
+	printk(KERN_INFO DRIVER_NAME ": enabled, version=%02x.%02x\n",
+	       version[0], version[1]);
+
+	return 0;
+
+fail3:
+	gpio_free(ud->pdata->gpio_reset);
+	backlight_device_unregister(ud->bldev);
+fail2:
+	kfree(ud);
+fail:
+	gpio_free(pdata->gpio_reset);
+	return ret;
+}
+
+/*
+ * ubicom32hid_remove
+ */
+static int ubicom32hid_remove(struct i2c_client *client)
+{
+	struct ubicom32hid_data *ud =
+		(struct ubicom32hid_data *)platform_get_drvdata(client);
+
+	gpio_free(ud->pdata->gpio_reset);
+
+	backlight_device_unregister(ud->bldev);
+
+	if (ud->poll_dev) {
+		input_unregister_polled_device(ud->poll_dev);
+		input_free_polled_device(ud->poll_dev);
+	}
+
+	platform_set_drvdata(client, NULL);
+
+	kfree(ud);
+
+	return 0;
+}
+
+static struct i2c_driver ubicom32hid_driver = {
+	.driver = {
+		.name	= DRIVER_NAME,
+		.owner	= THIS_MODULE,
+	},
+	.probe		= ubicom32hid_probe,
+	.remove		= __exit_p(ubicom32hid_remove),
+	.id_table	= ubicom32hid_id,
+};
+
+/*
+ * ubicom32hid_init
+ */
+static int __init ubicom32hid_init(void)
+{
+	return i2c_add_driver(&ubicom32hid_driver);
+}
+module_init(ubicom32hid_init);
+
+/*
+ * ubicom32hid_exit
+ */
+static void __exit ubicom32hid_exit(void)
+{
+	i2c_del_driver(&ubicom32hid_driver);
+}
+module_exit(ubicom32hid_exit);
+
+MODULE_AUTHOR("Pat Tjin <@ubicom.com>")
+MODULE_DESCRIPTION("Ubicom HID driver");
+MODULE_LICENSE("GPL");
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-common/ubicom32input.c linux-2.6.30.10-ubi/arch/ubicom32/mach-common/ubicom32input.c
--- linux-2.6.30.10/arch/ubicom32/mach-common/ubicom32input.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-common/ubicom32input.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,265 @@
+/*
+ * arch/ubicom32/mach-common/ubicom32input.c
+ *   Ubicom32 Input driver
+ *
+ *   based on gpio-keys
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ *
+ *
+ * TODO: add groups for inputs which can be sampled together (i.e. I2C)
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/input.h>
+#include <linux/input-polldev.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+
+#include <asm/ubicom32input.h>
+
+struct ubicom32input_data {
+	struct ubicom32input_platform_data	*pdata;
+
+	struct input_polled_dev			*poll_dev;
+
+	/*
+	 * collection of previous states for buttons
+	 */
+	u8					prev_state[0];
+};
+
+/*
+ * ubicom32input_poll
+ */
+static void ubicom32input_poll(struct input_polled_dev *dev)
+{
+	struct ubicom32input_data *ud =
+		(struct ubicom32input_data *)dev->private;
+	struct ubicom32input_platform_data *pdata = ud->pdata;
+	struct input_dev *id = dev->input;
+	int i;
+	int sync_needed = 0;
+
+	for (i = 0; i < pdata->nbuttons; i++) {
+		const struct ubicom32input_button *ub = &pdata->buttons[i];
+		int state = 0;
+
+		int val = gpio_get_value(ub->gpio);
+
+		/*
+		 * Check to see if the state changed from the last time we
+		 * looked
+		 */
+		if (val == ud->prev_state[i]) {
+			continue;
+		}
+
+		/*
+		 * The state has changed, determine if we are "up" or "down"
+		 */
+		ud->prev_state[i] = val;
+
+		if ((!val && ub->active_low) || (val && !ub->active_low)) {
+			state = 1;
+		}
+
+		input_event(id, ub->type, ub->code, state);
+		sync_needed = 1;
+	}
+
+	if (sync_needed) {
+		input_sync(id);
+	}
+}
+
+/*
+ * ubicom32input_probe
+ */
+static int __devinit ubicom32input_probe(struct platform_device *pdev)
+{
+	int i;
+	struct ubicom32input_data *ud;
+	struct input_polled_dev *poll_dev;
+	struct input_dev *input_dev;
+	struct ubicom32input_platform_data *pdata;
+	int ret;
+
+	pdata = pdev->dev.platform_data;
+	if (!pdata) {
+		return -EINVAL;
+	}
+
+	ud = kzalloc(sizeof(struct ubicom32input_data) +
+		     pdata->nbuttons, GFP_KERNEL);
+	if (!ud) {
+		return -ENOMEM;
+	}
+	ud->pdata = pdata;
+
+	poll_dev = input_allocate_polled_device();
+	if (!poll_dev) {
+		ret = -ENOMEM;
+		goto fail;
+	}
+
+	platform_set_drvdata(pdev, ud);
+
+	ud->poll_dev = poll_dev;
+	poll_dev->private = ud;
+	poll_dev->poll = ubicom32input_poll;
+
+	/*
+	 * Set the poll interval requested, default to 50 msec
+	 */
+	if (pdata->poll_interval) {
+		poll_dev->poll_interval = pdata->poll_interval;
+	} else {
+		poll_dev->poll_interval = 50;
+	}
+
+	/*
+	 * Setup the input device
+	 */
+	input_dev = poll_dev->input;
+	input_dev->name = pdata->name ? pdata->name : "Ubicom32 Input";
+	input_dev->phys = "ubicom32input/input0";
+	input_dev->dev.parent = &pdev->dev;
+	input_dev->id.bustype = BUS_HOST;
+
+	/*
+	 * Reserve the GPIOs
+	 */
+	for (i = 0; i < pdata->nbuttons; i++) {
+		const struct ubicom32input_button *ub = &pdata->buttons[i];
+
+		ret = gpio_request(ub->gpio,
+				   ub->desc ? ub->desc : "ubicom32input");
+		if (ret < 0) {
+			pr_err("ubicom32input: failed to request "
+			       "GPIO %d ret=%d\n", ub->gpio, ret);
+			goto fail2;
+		}
+
+		ret = gpio_direction_input(ub->gpio);
+		if (ret < 0) {
+			pr_err("ubicom32input: failed to set "
+			       "GPIO %d to input ret=%d\n", ub->gpio, ret);
+			goto fail2;
+		}
+
+		/*
+		 * Set the previous state to the non-active stae
+		 */
+		ud->prev_state[i] = ub->active_low;
+
+		input_set_capability(input_dev,
+				     ub->type ? ub->type : EV_KEY, ub->code);
+	}
+
+	/*
+	 * Register
+	 */
+	ret = input_register_polled_device(ud->poll_dev);
+	if (ret) {
+		goto fail2;
+	}
+
+	return 0;
+
+fail2:
+	/*
+	 * release the GPIOs we have already requested.
+	 */
+	while (--i >= 0) {
+		gpio_free(pdata->buttons[i].gpio);
+	}
+
+fail:
+	printk(KERN_ERR "Ubicom32Input: Failed to register driver %d", ret);
+	platform_set_drvdata(pdev, NULL);
+	input_free_polled_device(poll_dev);
+	kfree(ud);
+	return ret;
+}
+
+/*
+ * ubicom32input_remove
+ */
+static int __devexit ubicom32input_remove(struct platform_device *dev)
+{
+	struct ubicom32input_data *ud =
+		(struct ubicom32input_data *)platform_get_drvdata(dev);
+	int i;
+
+	/*
+	 * Free the GPIOs
+	 */
+	for (i = 0; i < ud->pdata->nbuttons; i++) {
+		gpio_free(ud->pdata->buttons[i].gpio);
+	}
+
+	platform_set_drvdata(dev, NULL);
+	input_unregister_polled_device(ud->poll_dev);
+	input_free_polled_device(ud->poll_dev);
+
+	kfree(ud);
+
+	return 0;
+}
+
+static struct platform_driver ubicom32input_driver = {
+	.driver         = {
+		.name   = "ubicom32input",
+		.owner  = THIS_MODULE,
+	},
+	.probe          = ubicom32input_probe,
+	.remove         = __devexit_p(ubicom32input_remove),
+};
+
+/*
+ * ubicom32input_init
+ */
+static int __devinit ubicom32input_init(void)
+{
+	return platform_driver_register(&ubicom32input_driver);
+}
+
+/*
+ * ubicom32input_exit
+ */
+static void __exit ubicom32input_exit(void)
+{
+	platform_driver_unregister(&ubicom32input_driver);
+}
+
+module_init(ubicom32input_init);
+module_exit(ubicom32input_exit);
+
+MODULE_AUTHOR("Pat Tjin <pattjin@ubicom.com>");
+MODULE_DESCRIPTION("Ubicom32 Input Driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:ubicom32-input");
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-common/ubicom32input_i2c.c linux-2.6.30.10-ubi/arch/ubicom32/mach-common/ubicom32input_i2c.c
--- linux-2.6.30.10/arch/ubicom32/mach-common/ubicom32input_i2c.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-common/ubicom32input_i2c.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,325 @@
+/*
+ * arch/ubicom32/mach-common/ubicom32input_i2c.c
+ *   Ubicom32 Input driver for I2C
+ *	  Supports PCA953x and family
+ *
+ *   We hog the I2C device, turning it all to input.
+ *
+ *   Based on gpio-keys, pca953x
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/input.h>
+#include <linux/input-polldev.h>
+#include <linux/i2c.h>
+
+#include <asm/ubicom32input_i2c.h>
+
+#define UBICOM32INPUT_I2C_REG_INPUT	0
+#define UBICOM32INPUT_I2C_REG_OUTPUT	1
+#define UBICOM32INPUT_I2C_REG_INVERT	2
+#define UBICOM32INPUT_I2C_REG_DIRECTION	3
+
+static const struct i2c_device_id ubicom32input_i2c_id[] = {
+	{ "ubicom32in_pca9534", 8, },
+	{ "ubicom32in_pca9535", 16, },
+	{ "ubicom32in_pca9536", 4, },
+	{ "ubicom32in_pca9537", 4, },
+	{ "ubicom32in_pca9538", 8, },
+	{ "ubicom32in_pca9539", 16, },
+	{ "ubicom32in_pca9554", 8, },
+	{ "ubicom32in_pca9555", 16, },
+	{ "ubicom32in_pca9557", 8, },
+	{ "ubicom32in_max7310", 8, },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, ubicom32input_i2c_id);
+
+struct ubicom32input_i2c_data {
+	struct ubicom32input_i2c_platform_data	*pdata;
+
+	struct i2c_client			*client;
+
+	struct input_polled_dev			*poll_dev;
+
+	/*
+	 * collection of previous states for buttons
+	 */
+	uint16_t				prev_state;
+
+	uint8_t					ngpios;
+};
+
+/*
+ * ubicom32input_i2c_write_reg
+ *	writes a register to the I2C device.
+ */
+static int ubicom32input_i2c_write_reg(struct ubicom32input_i2c_data *ud,
+				       int reg, uint16_t val)
+{
+	int ret;
+
+	if (ud->ngpios <= 8) {
+		ret = i2c_smbus_write_byte_data(ud->client, reg, val);
+	} else {
+		ret = i2c_smbus_write_word_data(ud->client, reg << 1, val);
+	}
+
+	if (ret < 0) {
+		return ret;
+	}
+
+	return 0;
+}
+
+/*
+ * ubicom32input_i2c_read_reg
+ *	reads a register from the I2C device.
+ */
+static int ubicom32input_i2c_read_reg(struct ubicom32input_i2c_data *ud,
+				      int reg, uint16_t *val)
+{
+	int ret;
+
+	if (ud->ngpios <= 8) {
+		ret = i2c_smbus_read_byte_data(ud->client, reg);
+	} else {
+		ret = i2c_smbus_read_word_data(ud->client, reg);
+	}
+
+	if (ret < 0) {
+		return ret;
+	}
+
+	*val = (uint16_t)ret;
+
+	return 0;
+}
+
+/*
+ * ubicom32input_i2c_poll
+ */
+static void ubicom32input_i2c_poll(struct input_polled_dev *dev)
+{
+	struct ubicom32input_i2c_data *ud =
+		(struct ubicom32input_i2c_data *)dev->private;
+	struct ubicom32input_i2c_platform_data *pdata = ud->pdata;
+	struct input_dev *id = dev->input;
+	int i;
+	int sync_needed = 0;
+	uint16_t val;
+	uint16_t change_mask;
+
+	/*
+	 * Try to get the input status, if we fail, bail out, maybe we can do it
+	 * next time.
+	 */
+	if (ubicom32input_i2c_read_reg(ud, UBICOM32INPUT_I2C_REG_INPUT, &val)) {
+		return;
+	}
+
+	/*
+	 * see if anything changed by using XOR
+	 */
+	change_mask = ud->prev_state ^ val;
+	ud->prev_state = val;
+
+	for (i = 0; i < pdata->nbuttons; i++) {
+		const struct ubicom32input_i2c_button *ub = &pdata->buttons[i];
+		uint16_t mask = 1 << ub->bit;
+		int state = val & mask;
+
+		/*
+		 * Check to see if the state changed from the last time we
+		 * looked
+		 */
+		if (!(change_mask & mask)) {
+			continue;
+		}
+		input_event(id, ub->type, ub->code, state);
+		sync_needed = 1;
+	}
+
+	if (sync_needed) {
+		input_sync(id);
+	}
+}
+
+/*
+ * ubicom32input_i2c_probe
+ */
+static int __devinit ubicom32input_i2c_probe(struct i2c_client *client,
+					     const struct i2c_device_id *id)
+{
+	int i;
+	struct ubicom32input_i2c_data *ud;
+	struct input_polled_dev *poll_dev;
+	struct input_dev *input_dev;
+	struct ubicom32input_i2c_platform_data *pdata;
+	int ret;
+	uint16_t invert_mask = 0;
+
+	pdata = client->dev.platform_data;
+	if (!pdata) {
+		return -EINVAL;
+	}
+
+	ud = kzalloc(sizeof(struct ubicom32input_i2c_data), GFP_KERNEL);
+	if (!ud) {
+		return -ENOMEM;
+	}
+	ud->pdata = pdata;
+	ud->client = client;
+	ud->ngpios = id->driver_data;
+
+	poll_dev = input_allocate_polled_device();
+	if (!poll_dev) {
+		ret = -ENOMEM;
+		goto fail;
+	}
+
+	ud->poll_dev = poll_dev;
+	poll_dev->private = ud;
+	poll_dev->poll = ubicom32input_i2c_poll;
+
+	/*
+	 * Set the poll interval requested, default to 100 msec
+	 */
+	if (pdata->poll_interval) {
+		poll_dev->poll_interval = pdata->poll_interval;
+	} else {
+		poll_dev->poll_interval = 100;
+	}
+
+	/*
+	 * Setup the input device
+	 */
+	input_dev = poll_dev->input;
+	input_dev->name = pdata->name ? pdata->name : "Ubicom32 Input I2C";
+	input_dev->phys = "ubicom32input_i2c/input0";
+	input_dev->dev.parent = &client->dev;
+	input_dev->id.bustype = BUS_I2C;
+
+	/*
+	 * Set the capabilities
+	 */
+	for (i = 0; i < pdata->nbuttons; i++) {
+		const struct ubicom32input_i2c_button *ub = &pdata->buttons[i];
+
+		if (ub->active_low) {
+			invert_mask |= (1 << ub->bit);
+		}
+
+		input_set_capability(input_dev,
+				     ub->type ? ub->type : EV_KEY, ub->code);
+	}
+
+	/*
+	 * Setup the device (all inputs)
+	 */
+	ret = ubicom32input_i2c_write_reg(ud, UBICOM32INPUT_I2C_REG_DIRECTION,
+					  0xFFFF);
+	if (ret < 0) {
+		goto fail;
+	}
+
+	ret = ubicom32input_i2c_write_reg(ud, UBICOM32INPUT_I2C_REG_INVERT,
+					  invert_mask);
+	if (ret < 0) {
+		goto fail;
+	}
+
+	/*
+	 * Register
+	 */
+	ret = input_register_polled_device(ud->poll_dev);
+	if (ret) {
+		goto fail;
+	}
+
+	i2c_set_clientdata(client, ud);
+
+	return 0;
+
+fail:
+	printk(KERN_ERR "ubicom32input_i2c: Failed to register driver %d\n",
+	       ret);
+	input_free_polled_device(poll_dev);
+	kfree(ud);
+	return ret;
+}
+
+/*
+ * ubicom32input_i2c_remove
+ */
+static int __devexit ubicom32input_i2c_remove(struct i2c_client *client)
+{
+	struct ubicom32input_i2c_data *ud =
+		(struct ubicom32input_i2c_data *)i2c_get_clientdata(client);
+
+	i2c_set_clientdata(client, NULL);
+	input_unregister_polled_device(ud->poll_dev);
+	input_free_polled_device(ud->poll_dev);
+
+	kfree(ud);
+
+	return 0;
+}
+
+static struct i2c_driver ubicom32input_i2c_driver = {
+	.driver         = {
+		.name   = "ubicom32input_i2c",
+		.owner  = THIS_MODULE,
+	},
+	.remove         = __devexit_p(ubicom32input_i2c_remove),
+	.id_table	= ubicom32input_i2c_id,
+	.probe          = ubicom32input_i2c_probe,
+};
+
+/*
+ * ubicom32input_i2c_init
+ */
+static int __devinit ubicom32input_i2c_init(void)
+{
+	return i2c_add_driver(&ubicom32input_i2c_driver);
+}
+
+/*
+ * ubicom32input_i2c_exit
+ */
+static void __exit ubicom32input_i2c_exit(void)
+{
+	i2c_del_driver(&ubicom32input_i2c_driver);
+}
+
+module_init(ubicom32input_i2c_init);
+module_exit(ubicom32input_i2c_exit);
+
+MODULE_AUTHOR("Pat Tjin <pattjin@ubicom.com>");
+MODULE_DESCRIPTION("Ubicom32 Input Driver I2C");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:ubicom32-input");
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-common/usb.c linux-2.6.30.10-ubi/arch/ubicom32/mach-common/usb.c
--- linux-2.6.30.10/arch/ubicom32/mach-common/usb.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-common/usb.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,132 @@
+/*
+ * arch/ubicom32/mach-common/ip5k_usb.c
+ *   Ubicom32 architecture usb support.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 2007 MontaVista Software, Inc. <source@mvista.com>
+ * Author: Kevin Hilman
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General
+ * Public License as published by the Free Software Foundation, either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+#include <linux/usb/musb.h>
+#include <asm/devtree.h>
+#include <asm/ip5000.h>
+#include "usb_tio.h"
+
+struct usbtionode *unode = NULL;
+
+static struct resource usb_resources[] = {
+	[0] = {
+		.start	= RJ + 0x800,
+		.end	= RJ + 0x1000,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {	/* general IRQ */
+		.start	= 1, /* this is a dummy value, the real irq number is passed from kernel_setup_param */
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+
+static struct musb_hdrc_eps_bits musb_eps[] = {
+	{ "ep1_tx", 4, },
+	{ "ep1_rx", 4, },
+	{ "ep2_tx", 10, },
+	{ "ep2_rx", 10, },
+	{ "ep3_tx", 9, },
+	{ "ep3_rx", 9, },
+	{ "ep4_tx", 9, },
+	{ "ep4_rx", 9, },
+	{ "ep5_tx", 6, },
+	{ "ep5_rx", 6, },
+};
+
+static struct musb_hdrc_config musb_config = {
+	.multipoint     = true,
+	.dyn_fifo       = false,
+	.soft_con       = true,
+	.dma            = false,
+
+	.num_eps        = 6,
+	.dma_channels   = 0,
+	.ram_bits       = 0,
+	.eps_bits       = musb_eps,
+};
+
+static struct musb_hdrc_platform_data usb_data = {
+#ifdef CONFIG_USB_MUSB_OTG
+	.mode		= MUSB_OTG,
+#else
+#ifdef CONFIG_USB_MUSB_HDRC_HCD
+	.mode		= MUSB_HOST,
+#else
+#ifdef CONFIG_USB_GADGET_MUSB_HDRC
+	.mode		= MUSB_PERIPHERAL,
+#endif
+#endif
+#endif
+	.clock		= NULL,
+	.set_clock	= NULL,
+	.config		= &musb_config,
+};
+
+static struct platform_device musb_device = {
+	.name		= "musb_hdrc",
+	.id		= 0,
+	.dev = {
+		.platform_data		= &usb_data,
+		.dma_mask		= NULL,
+		.coherent_dma_mask	= 0,
+	},
+	.resource	= usb_resources,
+	.num_resources	= ARRAY_SIZE(usb_resources),
+};
+
+struct usbtio_node *usb_node = NULL;
+void ubi32_usb_init(void)
+{
+	/*
+	 * See if the usbtio is in the device tree.
+	 */
+	usb_node = (struct usbtio_node *)devtree_find_node("usbtio");
+	if (!usb_node) {
+		printk(KERN_WARNING "usb init failed\n");
+		return;
+	}
+
+	usb_resources[1].start = usb_node->dn.recvirq;
+	if (platform_device_register(&musb_device) < 0) {
+		printk(KERN_ERR "Unable to register HS-USB (MUSB) device\n");
+		return;
+	}
+}
+
+void ubi32_usb_int_clr(void)
+{
+        UBICOM32_IO_PORT(RJ)->int_clr = (1 << 3);
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-common/usb_tio.c linux-2.6.30.10-ubi/arch/ubicom32/mach-common/usb_tio.c
--- linux-2.6.30.10/arch/ubicom32/mach-common/usb_tio.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-common/usb_tio.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,356 @@
+/*
+ * arch/ubicom32/mach-common/usb_tio.c
+ *  Linux side Ubicom USB TIO driver
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/module.h>
+#include <linux/spinlock.h>
+#include <linux/slab.h>
+#include <asm/devtree.h>
+#include "usb_tio.h"
+
+#ifdef CONFIG_SMP
+static DEFINE_SPINLOCK(tio_lock);
+#define USB_TIO_LOCK(lock, flag) spin_lock_irqsave(lock, flag)
+#define USB_TIO_UNLOCK(lock, flag) spin_unlock_irqrestore(lock, flag)
+#define USB_TIO_LOCK_ISLOCKED(lock) spin_try_lock(lock)
+#else
+#define USB_TIO_LOCK(lock, flag) local_irq_save(flag)
+#define USB_TIO_UNLOCK(lock, flag) local_irq_restore(flag)
+#endif
+
+spinlock_t usb_tio_lock;
+
+/*
+ * usb_tio_set_hrt_interrupt()
+ */
+static inline void usb_tio_set_hrt_interrupt(void)
+{
+	ubicom32_set_interrupt(usb_node->dn.sendirq);
+}
+
+static inline void usb_tio_wait_hrt(void)
+{
+	while (unlikely(usb_node->pdesc));
+}
+
+#if defined(USB_TIO_DEBUG)
+static void usb_tio_request_verify_magic(volatile struct usb_tio_request *req)
+{
+	BUG_ON(req->magic != USB_TIO_REQUEST_MAGIC2);
+}
+
+static void usb_tio_request_clear_magic(volatile struct usb_tio_request *req)
+{
+	req->magic = 0;
+}
+#endif
+
+static void usb_tio_request_set_magic(volatile struct usb_tio_request *req)
+{
+	req->magic = USB_TIO_REQUEST_MAGIC1;
+}
+
+/*
+ * usb_tio_commit_request()
+ */
+static inline void usb_tio_commit_request(volatile struct usb_tio_request *request)
+{
+	wmb();
+	usb_node->pdesc = request;
+
+	/*
+	 * next thing to do is alway checking if (usb_node->pdesc == NULL)
+	 * to see if the request is done, so add a mb() here
+	 */
+	mb();
+	usb_tio_set_hrt_interrupt();
+}
+
+/*
+ * usb_tio_read_u16()
+ *	Synchronously read 16 bits.
+ */
+u8_t usb_tio_read_u16(u32_t address, u16_t *data)
+{
+	volatile struct usb_tio_request *tio_req = &usb_node->request;
+	unsigned long flag;
+
+	/*
+	 * Wait for any previous request to complete and then make this request.
+	 */
+	USB_TIO_LOCK(&tio_lock, flag);
+	usb_tio_wait_hrt();
+
+	/*
+	 * Fill in the request.
+	 */
+	tio_req->address = address;
+	tio_req->cmd = USB_TIO_READ16_SYNC;
+	USB_TIO_REQUEST_SET_MAGIC(tio_req);
+	usb_tio_commit_request(tio_req);
+
+	/*
+	 * Wait for the result to show up.
+	 */
+	usb_tio_wait_hrt();
+	USB_TIO_REQUEST_VERIFY_MAGIC(tio_req);
+	*data = (u16_t)tio_req->data;
+	USB_TIO_REQUEST_CLEAR_MAGIC(tio_req);
+	USB_TIO_UNLOCK(&tio_lock, flag);
+	return USB_TIO_OK;
+}
+
+/*
+ * usb_tio_read_u8()
+ *	Synchronously read 16 bits.
+ */
+u8_t usb_tio_read_u8(u32_t address, u8_t *data)
+{
+	volatile struct usb_tio_request *tio_req = &usb_node->request;
+	unsigned long flag;
+
+	/*
+	 * Wait for any previous request to complete and then make this request.
+	 */
+	USB_TIO_LOCK(&tio_lock, flag);
+	usb_tio_wait_hrt();
+
+	/*
+	 * Fill in the request.
+	 */
+	tio_req->address = address;
+	tio_req->cmd = USB_TIO_READ8_SYNC;
+	USB_TIO_REQUEST_SET_MAGIC(tio_req);
+
+	/*
+	 * commit the request
+	 */
+	usb_tio_commit_request(tio_req);
+
+	/*
+	 * Wait for the result to show up.
+	 */
+	usb_tio_wait_hrt();
+	USB_TIO_REQUEST_VERIFY_MAGIC(tio_req);
+	*data = (u8_t)tio_req->data;
+	USB_TIO_REQUEST_CLEAR_MAGIC(tio_req);
+	USB_TIO_UNLOCK(&tio_lock, flag);
+	return USB_TIO_OK;
+}
+
+/*
+ * usb_tio_write_u16()
+ *	Asynchronously  write 16 bits.
+ */
+u8_t usb_tio_write_u16(u32_t address, u16_t data)
+{
+	volatile struct usb_tio_request *tio_req = &usb_node->request;
+	unsigned long flag;
+
+	/*
+	 * Wait for any previous write or pending read to complete.
+	 */
+	USB_TIO_LOCK(&tio_lock, flag);
+	usb_tio_wait_hrt();
+
+	tio_req->address = address;
+	tio_req->data = data;
+	tio_req->cmd = USB_TIO_WRITE16_ASYNC;
+	USB_TIO_REQUEST_SET_MAGIC(tio_req);
+
+	/*
+	 * commit the request
+	 */
+	usb_tio_commit_request(tio_req);
+	USB_TIO_UNLOCK(&tio_lock, flag);
+	return USB_TIO_OK;
+}
+
+/*
+ * usb_tio_write_u8()
+ *	Asynchronously  write 8 bits.
+ */
+u8_t usb_tio_write_u8(u32_t address, u8_t data)
+{
+	volatile struct usb_tio_request *tio_req = &usb_node->request;
+	unsigned long flag;
+
+	/*
+	 * Wait for any previous write or pending read to complete.
+	 */
+	USB_TIO_LOCK(&tio_lock, flag);
+	usb_tio_wait_hrt();
+
+	tio_req->address = address;
+	tio_req->data = data;
+	tio_req->cmd = USB_TIO_WRITE8_ASYNC;
+	USB_TIO_REQUEST_SET_MAGIC(tio_req);
+
+	/*
+	 * commit the request
+	 */
+	usb_tio_commit_request(tio_req);
+	USB_TIO_UNLOCK(&tio_lock, flag);
+	return USB_TIO_OK;
+}
+
+/*
+ * usb_tio_read_fifo()
+ *	Synchronously read FIFO.
+ */
+u8_t usb_tio_read_fifo(u32_t address, u32_t buffer, u32_t bytes)
+{
+	volatile struct usb_tio_request *tio_req = &usb_node->request;
+	unsigned long flag;
+
+	/*
+	 * Wait for any previous request to complete and then make this request.
+	 */
+	USB_TIO_LOCK(&tio_lock, flag);
+	usb_tio_wait_hrt();
+
+	/*
+	 * Fill in the request.
+	 */
+	tio_req->address = address;
+	tio_req->cmd = USB_TIO_READ_FIFO_SYNC;
+	tio_req->buffer = buffer;
+	tio_req->transfer_length = bytes;
+	USB_TIO_REQUEST_SET_MAGIC(tio_req);
+
+	/*
+	 * commit the request
+	 */
+	usb_tio_commit_request(tio_req);
+
+	 /*
+	 * Wait for the result to show up.
+	 */
+	usb_tio_wait_hrt();
+	USB_TIO_REQUEST_VERIFY_MAGIC(tio_req);
+	USB_TIO_REQUEST_CLEAR_MAGIC(tio_req);
+	USB_TIO_UNLOCK(&tio_lock, flag);
+	return USB_TIO_OK;
+}
+
+/*
+ * usb_tio_write_fifo()
+ *	Synchronously  write 32 bits.
+ */
+u8_t usb_tio_write_fifo(u32_t address, u32_t buffer, u32_t bytes)
+{
+	volatile struct	usb_tio_request *tio_req = &usb_node->request;
+	unsigned long flag;
+
+	USB_TIO_LOCK(&tio_lock, flag);
+	usb_tio_wait_hrt();
+
+	tio_req->address = address;
+	tio_req->buffer = buffer;
+	tio_req->cmd = USB_TIO_WRITE_FIFO_SYNC;
+	tio_req->transfer_length = bytes;
+	USB_TIO_REQUEST_SET_MAGIC(tio_req);
+	/*
+	 * commit the request
+	 */
+	usb_tio_commit_request(tio_req);
+
+	/*
+	 * Wait for the result to show up.
+	 */
+	usb_tio_wait_hrt();
+	USB_TIO_REQUEST_VERIFY_MAGIC(tio_req);
+	USB_TIO_REQUEST_CLEAR_MAGIC(tio_req);
+	USB_TIO_UNLOCK(&tio_lock, flag);
+	return USB_TIO_OK;
+}
+
+/*
+ * usb_tio_write_fifo_async()
+ *	Asynchronously write 32 bits.
+ */
+u8_t usb_tio_write_fifo_async(u32_t address, u32_t buffer, u32_t bytes)
+{
+	volatile struct	usb_tio_request *tio_req = &usb_node->request;
+	unsigned long flag;
+
+	USB_TIO_LOCK(&tio_lock, flag);
+	usb_tio_wait_hrt();
+
+	tio_req->address = address;
+
+	/*
+	 * Is it necessary to make a local copy of the buffer? Any chance the URB is aborted before TIO finished the FIFO write?
+	 */
+	tio_req->buffer = buffer;
+	tio_req->cmd = USB_TIO_WRITE_FIFO_SYNC;
+	tio_req->transfer_length = bytes;
+	USB_TIO_REQUEST_SET_MAGIC(tio_req);
+	/*
+	 * commit the request
+	 */
+	usb_tio_commit_request(tio_req);
+	USB_TIO_UNLOCK(&tio_lock, flag);
+	return USB_TIO_OK;
+}
+
+/*
+ * usb_tio_read_int_status()
+ * 	read and clear the interrupt status registers
+ */
+void usb_tio_read_int_status(u8_t *int_usb, u16_t *int_tx, u16_t *int_rx)
+{
+
+	/*
+	 * clear the interrupt must be syncronized with the TIO thread to prevent the racing condiiton
+	 * that TIO thread try to set it at same time
+	 */
+	asm volatile (
+	"1:	bset (%0), (%0), #0	\n\t" \
+	"	jmpne.f 1b		\n\t" \
+		:
+		: "a" (&usb_node->usb_vp_control)
+		: "memory", "cc"
+	);
+
+	*int_usb = usb_node->usb_vp_hw_int_usb;
+	*int_tx  = cpu_to_le16(usb_node->usb_vp_hw_int_tx);
+	*int_rx  = cpu_to_le16(usb_node->usb_vp_hw_int_rx);
+
+	//printk(KERN_INFO "int read %x, %x, %x\n", *int_usb, *int_tx, *int_rx);
+
+	/*
+	 * The interrupt status register is read-clean, so clear it now
+	 */
+	usb_node->usb_vp_hw_int_usb = 0;
+	usb_node->usb_vp_hw_int_tx = 0;
+	usb_node->usb_vp_hw_int_rx = 0;
+
+	/*
+	 * release the lock bit
+	 */
+	usb_node->usb_vp_control &= 0xfffe;
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-common/usb_tio.h linux-2.6.30.10-ubi/arch/ubicom32/mach-common/usb_tio.h
--- linux-2.6.30.10/arch/ubicom32/mach-common/usb_tio.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-common/usb_tio.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,111 @@
+/*
+ * arch/ubicom32/mach-common/usb_tio.h
+ *   Definitions for usb_tio.c
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <asm/devtree.h>
+#include <asm/ip5000.h>
+
+#ifndef _USB_TIO_H
+#define _USB_TIO_H
+
+#undef  USB_TIO_DEBUG
+
+#define USB_TIO_REQUEST_MAGIC1	0x2307
+#define USB_TIO_REQUEST_MAGIC2	0x0789
+#if defined(USB_TIO_DEBUG)
+#define USB_TIO_REQUEST_VERIFY_MAGIC(req)	usb_tio_request_verify_magic(req)
+#define USB_TIO_REQUEST_SET_MAGIC(req)          usb_tio_request_set_magic(req)
+#define USB_TIO_REQUEST_CLEAR_MAGIC(req)	usb_tio_request_clear_magic(req)
+#else
+#define USB_TIO_REQUEST_VERIFY_MAGIC(req)
+#define USB_TIO_REQUEST_SET_MAGIC(req)          usb_tio_request_set_magic(req)
+#define USB_TIO_REQUEST_CLEAR_MAGIC(req)
+#endif
+
+enum USB_TIO_status {
+	USB_TIO_OK,
+	USB_TIO_ERROR,
+	USB_TIO_ERROR_COMMIT,
+};
+
+enum USB_TIO_cmds {
+	USB_TIO_READ16_SYNC,
+	USB_TIO_READ8_SYNC,
+	USB_TIO_READ_FIFO_SYNC,
+
+	USB_TIO_WRITE16_ASYNC,
+	USB_TIO_WRITE8_ASYNC,
+	USB_TIO_WRITE_FIFO_ASYNC,
+
+	USB_TIO_WRITE16_SYNC,
+	USB_TIO_WRITE8_SYNC,
+	USB_TIO_WRITE_FIFO_SYNC,
+
+};
+
+enum USB_TIO_state {
+	USB_TIO_NORMAL,
+	USB_TIO_DMA_SETUP,
+};
+
+struct usb_tio_request {
+	volatile u32_t address;
+	union {
+		volatile u32_t data;
+		volatile u32_t buffer;
+	};
+	volatile u16_t cmd;
+	const volatile u16_t status;
+	volatile u32_t transfer_length;
+	volatile u32_t thread_mask;
+	volatile u16_t magic;
+};
+
+struct usbtio_node {
+	struct devtree_node dn;
+	volatile struct usb_tio_request * volatile pdesc;
+	struct usb_tio_request	request;
+	volatile u32_t usb_vp_config;
+	volatile u32_t usb_vp_control;
+	const volatile u32_t usb_vp_status;
+	volatile u16_t usb_vp_hw_int_tx;
+	volatile u16_t usb_vp_hw_int_rx;
+	volatile u8_t  usb_vp_hw_int_usb;
+	volatile u8_t usb_vp_hw_int_mask_usb;
+        volatile u16_t usb_vp_hw_int_mask_tx;
+        volatile u16_t usb_vp_hw_int_mask_rx;
+
+};
+
+extern struct usbtio_node *usb_node;
+extern void ubi32_usb_init(void);
+#endif
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-common/vdc_tio.c linux-2.6.30.10-ubi/arch/ubicom32/mach-common/vdc_tio.c
--- linux-2.6.30.10/arch/ubicom32/mach-common/vdc_tio.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-common/vdc_tio.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,111 @@
+/*
+ * arch/ubicom32/mach-common/vdc_tio.c
+ *   Generic initialization for VDC
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/platform_device.h>
+#include <linux/types.h>
+
+#include <asm/devtree.h>
+#include <asm/vdc_tio.h>
+
+/*
+ * Resources that this driver uses
+ */
+static struct resource vdc_tio_resources[] = {
+	/*
+	 * Send IRQ
+	 */
+	[0] = {
+		/*
+		 * The init routine will query the devtree and fill this in
+		 */
+		.flags	= IORESOURCE_IRQ,
+	},
+
+	/*
+	 * Receive IRQ (optional)
+	 */
+	[1] = {
+		/*
+		 * The init routine will query the devtree and fill this in
+		 */
+		.flags	= IORESOURCE_IRQ,
+	},
+
+	/*
+	 * Memory Mapped Registers
+	 */
+	[2] = {
+		/*
+		 * The init routine will query the devtree and fill this in
+		 */
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+/*
+ * The platform_device structure which is passed to the driver
+ */
+static struct platform_device vdc_tio_platform_device = {
+	.name		= "ubicom32fb",
+	.id		= -1,
+	.resource	= vdc_tio_resources,
+	.num_resources	= ARRAY_SIZE(vdc_tio_resources),
+};
+
+/*
+ * vdc_tio_init
+ *	Checks the device tree and instantiates the driver if found
+ */
+void __init vdc_tio_init(void)
+{
+	/*
+	 * Check the device tree for the vdc_tio
+	 */
+	struct vdc_tio_node *vdc_node =
+		(struct vdc_tio_node *)devtree_find_node("vdctio");
+	if (!vdc_node) {
+		printk(KERN_WARNING "No vdc_tio found\n");
+		return;
+	}
+
+	/*
+	 * Fill in the resources and platform data from devtree information
+	 */
+	vdc_tio_resources[0].start = vdc_node->dn.sendirq;
+	vdc_tio_resources[1].start = vdc_node->dn.recvirq;
+	vdc_tio_resources[2].start = (u32_t)vdc_node->regs;
+	vdc_tio_resources[2].end = (u32_t)vdc_node->regs +
+		sizeof(struct vdc_tio_vp_regs);
+
+	/*
+	 * Try to get the device registered
+	 */
+	if (platform_device_register(&vdc_tio_platform_device) < 0) {
+		printk(KERN_WARNING "VDC failed to register\n");
+	}
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-ip5k/board-ip5160dev.c linux-2.6.30.10-ubi/arch/ubicom32/mach-ip5k/board-ip5160dev.c
--- linux-2.6.30.10/arch/ubicom32/mach-ip5k/board-ip5160dev.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-ip5k/board-ip5160dev.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,109 @@
+/*
+ * arch/ubicom32/mach-ip5k/board-ip5160dev.c
+ *   Platform initialization for ip5160dev board.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+
+#include <asm/board.h>
+#include <asm/machdep.h>
+#ifdef CONFIG_SERIAL_UBI32_SERDES
+#include <asm/ubicom32suart.h>
+#endif
+
+/*
+ * Factory Default Button on the board at PXn
+ * TODO: This is just a placeholder and it needs to include proper header files
+ */
+struct ubicom32fdb_platform_data {
+	int		fdb_gpio;
+	bool		fdb_polarity;
+};
+
+static struct ubicom32fdb_platform_data ip5160dev_fdb_data = {
+	.fdb_gpio		= 0,
+	.fdb_polarity		= true,
+};
+
+static struct platform_device ip5160dev_fdb_device = {
+	.name	= "ubicom32fdb",
+	.id	= -1,
+	.dev	= {
+		.platform_data = &ip5160dev_fdb_data,
+	},
+};
+
+#ifdef CONFIG_SERIAL_UBI32_SERDES
+static struct resource ip5160dev_ubicom32_suart_resources[] = {
+        {
+		.start	= RD,
+		.end	= RD,
+		.flags	= IORESOURCE_MEM,
+        },
+        {
+		.start	= PORT_OTHER_INT(RD),
+		.end	= PORT_OTHER_INT(RD),
+		.flags	= IORESOURCE_IRQ,
+        },
+        {
+		.start	= 240000000,
+		.end	= 240000000,
+		.flags	= UBICOM32_SUART_IORESOURCE_CLOCK,
+        },
+};
+
+static struct platform_device ip5160dev_ubicom32_suart_device = {
+	.name		= "ubicom32suart",
+	.id		= -1,
+        .num_resources  = ARRAY_SIZE(ip5160dev_ubicom32_suart_resources),
+        .resource       = ip5160dev_ubicom32_suart_resources,
+};
+#endif
+
+/*
+ * List of all devices in our system
+ */
+static struct platform_device *ip5160dev_devices[] __initdata = {
+#ifdef CONFIG_SERIAL_UBI32_SERDES
+	&ip5160dev_ubicom32_suart_device,
+#endif
+	&ip5160dev_fdb_device,
+};
+
+/*
+ * ip5160dev_init
+ *	Called to add the devices which we have on this board
+ */
+static int __init ip5160dev_init(void)
+{
+	ubi_gpio_init();
+	printk(KERN_INFO "%s: registering device resources\n", __FUNCTION__);
+	platform_add_devices(ip5160dev_devices, ARRAY_SIZE(ip5160dev_devices));
+	return 0;
+}
+
+arch_initcall(ip5160dev_init);
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-ip5k/board-ip5160rgw.c linux-2.6.30.10-ubi/arch/ubicom32/mach-ip5k/board-ip5160rgw.c
--- linux-2.6.30.10/arch/ubicom32/mach-ip5k/board-ip5160rgw.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-ip5k/board-ip5160rgw.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,75 @@
+/*
+ * arch/ubicom32/mach-ip5k/board-ip5160rgw.c
+ *   Platform initialization for ip5160rgw board.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <asm/board.h>
+#include <asm/machdep.h>
+
+/*
+ * Factory Default Button on the board at PXn
+ * TODO: This is just a placeholder and it needs to include proper header files
+ */
+struct ubicom32fdb_platform_data {
+	int		fdb_gpio;
+	bool		fdb_polarity;
+};
+
+static struct ubicom32fdb_platform_data ip5160rgw_fdb_data = {
+	.fdb_gpio		= 0,
+	.fdb_polarity		= true,
+};
+
+static struct platform_device ip5160rgw_fdb_device = {
+	.name	= "ubicom32fdb",
+	.id	= -1,
+	.dev	= {
+		.platform_data = &ip5160rgw_fdb_data,
+	},
+};
+
+/*
+ * List of all devices in our system
+ */
+static struct platform_device *ip5160rgw_devices[] __initdata = {
+	&ip5160rgw_fdb_device,
+};
+
+/*
+ * ip5160rgw_init
+ *	Called to add the devices which we have on this board
+ */
+static int __init ip5160rgw_init(void)
+{
+	ubi_gpio_init();
+	printk(KERN_INFO "%s: registering device resources\n", __FUNCTION__);
+	platform_add_devices(ip5160rgw_devices, ARRAY_SIZE(ip5160rgw_devices));
+	return 0;
+}
+
+arch_initcall(ip5160rgw_init);
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-ip5k/board-ip5170dpf.c linux-2.6.30.10-ubi/arch/ubicom32/mach-ip5k/board-ip5170dpf.c
--- linux-2.6.30.10/arch/ubicom32/mach-ip5k/board-ip5170dpf.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-ip5k/board-ip5170dpf.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,279 @@
+/*
+ * arch/ubicom32/mach-ip5k/board-ip5170dpf.c
+ *   Platform initialization for ip5160dpf board.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/leds.h>
+
+#include <linux/i2c.h>
+#include <linux/i2c-gpio.h>
+
+#include <linux/input.h>
+#include <asm/board.h>
+#include <asm/machdep.h>
+#include <asm/ubicom32hid.h>
+#include <asm/vdc_tio.h>
+
+/*
+ * LEDs
+ *
+ * WLAN			PD9	(Note this is shared with MISO, but we don't use it)
+ * WPS			PD8
+ *
+ * TODO: check triggers, are they generic?
+ */
+static struct gpio_led ip5170dpf_gpio_leds[] = {
+	{
+		.name			= "d31:green:WLAN1",
+		.default_trigger	= "WLAN1",
+		.gpio			= GPIO_RD_9,
+		.active_low		= 1,
+	},
+	{
+		.name			= "d30:green:WPS",
+		.default_trigger	= "WPS",
+		.gpio			= GPIO_RD_8,
+		.active_low		= 1,
+	},
+};
+
+static struct gpio_led_platform_data ip5170dpf_gpio_led_platform_data = {
+	.num_leds	= 2,
+	.leds		= ip5170dpf_gpio_leds,
+};
+
+static struct platform_device ip5170dpf_gpio_leds_device = {
+	.name		= "leds-gpio",
+	.id		= -1,
+	.dev = {
+		.platform_data = &ip5170dpf_gpio_led_platform_data,
+	},
+};
+
+/*
+ * Backlight on the board PD0, hardware PWM
+ */
+static const struct ubicom32hid_button ip5170dpf_ubicom32hid_buttons[] = {
+	{
+		.type	= EV_KEY,
+		.code	= KEY_UP,
+		.bit	= 0,
+	},
+	{
+		.type	= EV_KEY,
+		.code	= KEY_LEFT,
+		.bit	= 1,
+	},
+	{
+		.type	= EV_KEY,
+		.code	= KEY_RIGHT,
+		.bit	= 2,
+	},
+	{
+		.type	= EV_KEY,
+		.code	= KEY_DOWN,
+		.bit	= 3,
+	},
+	{
+		.type	= EV_KEY,
+		.code	= KEY_ENTER,
+		.bit	= 4,
+	},
+	{
+		.type	= EV_KEY,
+		.code	= KEY_MENU,
+		.bit	= 5,
+	},
+	{
+		.type	= EV_KEY,
+		.code	= KEY_ESC,
+		.bit	= 7,
+	},
+};
+
+static const struct ubicom32hid_ir ip5170dpf_ubicom32hid_ircodes[] = {
+	{
+		.type		= EV_KEY,
+		.code		= KEY_UP,
+		.ir_code	= 0xF807916E
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_DOWN,
+		.ir_code	= 0xF20D916E
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_LEFT,
+		.ir_code	= 0xF609916E
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_RIGHT,
+		.ir_code	= 0xF40B916E
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_ENTER,
+		.ir_code	= 0xF50A916E
+	},
+	{	/* rotate */
+		.type		= EV_KEY,
+		.code		= KEY_FN_F1,
+		.ir_code	= 0xF906916E
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_MENU,
+		.ir_code	= 0xF708916E
+	},
+	{	/* font size */
+		.type		= EV_KEY,
+		.code		= KEY_FN_F2,
+		.ir_code	= 0xF30C916E
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_ESC,
+		.ir_code	= 0xF10E916E
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_VOLUMEUP,
+		.ir_code	= 0xF00F916E
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_VOLUMEDOWN,
+		.ir_code	= 0xED12916E
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_MUTE,
+		.ir_code	= 0xEA15916E
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_INFO,
+		.ir_code	= 0xEF10916E
+	},
+	{	/* Like */
+		.type		= EV_KEY,
+		.code		= KEY_FN_F3,
+		.ir_code	= 0xEE11916E
+	},
+	{	/* Dislike */
+		.type		= EV_KEY,
+		.code		= KEY_FN_F4,
+		.ir_code	= 0xEB14916E
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_POWER,
+		.ir_code	= 0xFD02916E
+	},
+};
+
+static struct ubicom32hid_platform_data ip5170dpf_ubicom32hid_platform_data = {
+	.gpio_reset		= GPIO_RA_4,
+	.gpio_reset_polarity	= 0,
+	.type			= UBICOM32HID_BL_TYPE_BINARY,
+	.invert			= 0,
+	.default_intensity	= 1,
+	.buttons		= ip5170dpf_ubicom32hid_buttons,
+	.nbuttons		= ARRAY_SIZE(ip5170dpf_ubicom32hid_buttons),
+	.ircodes		= ip5170dpf_ubicom32hid_ircodes,
+	.nircodes		= ARRAY_SIZE(ip5170dpf_ubicom32hid_ircodes),
+};
+
+/*
+ * Devices on the I2C bus
+ */
+static struct i2c_board_info __initdata ip5170dpf_i2c_board_info[] = {
+	/*
+	 * U24, ubicom32hid
+	 */
+	{
+		.type		= "ubicom32hid",
+		.addr		= 0x08,
+		.platform_data	= &ip5170dpf_ubicom32hid_platform_data,
+	},
+
+	/*
+	 * U14, CS4350 DAC, address 0x4B
+	 */
+};
+
+/*
+ * I2C bus on the board, SDA PF13, SCL PF14
+ */
+static struct i2c_gpio_platform_data ip5170dpf_i2c_data = {
+	.sda_pin		= GPIO_RF_13,
+	.scl_pin		= GPIO_RF_14,
+	.sda_is_open_drain	= 0,
+	.scl_is_open_drain	= 0,
+	.scl_is_output_only	= 1,
+	.udelay			= 5,
+};
+
+static struct platform_device ip5170dpf_i2c_device = {
+	.name	= "i2c-gpio",
+	.id	= 0,
+	.dev	= {
+		.platform_data = &ip5170dpf_i2c_data,
+	},
+};
+
+/*
+ * List of all devices in our system
+ */
+static struct platform_device *ip5170dpf_devices[] __initdata = {
+	&ip5170dpf_i2c_device,
+	&ip5170dpf_gpio_leds_device,
+};
+
+/*
+ * ip5170dpf_init
+ *	Called to add the devices which we have on this board
+ */
+static int __init ip5170dpf_init(void)
+{
+	ubi_gpio_init();
+
+	vdc_tio_init();
+
+	printk(KERN_INFO "%s: registering device resources\n", __FUNCTION__);
+	platform_add_devices(ip5170dpf_devices, ARRAY_SIZE(ip5170dpf_devices));
+
+	printk(KERN_INFO "%s: registering i2c resources\n", __FUNCTION__);
+	i2c_register_board_info(0, ip5170dpf_i2c_board_info, ARRAY_SIZE(ip5170dpf_i2c_board_info));
+
+	return 0;
+}
+
+arch_initcall(ip5170dpf_init);
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-ip5k/Kconfig linux-2.6.30.10-ubi/arch/ubicom32/mach-ip5k/Kconfig
--- linux-2.6.30.10/arch/ubicom32/mach-ip5k/Kconfig	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-ip5k/Kconfig	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,28 @@
+
+config IP5170DPF
+	bool "IP5170DPF"
+	select UBICOM32_V3
+	select I2C
+	select I2C_GPIO
+	select FB
+	select FB_UBICOM32
+	select BACKLIGHT_LCD_SUPPORT
+	select BACKLIGHT_CLASS_DEVICE
+	select UBICOM_HID
+	select NEW_LEDS
+	select LEDS_CLASS
+	select LEDS_GPIO
+	help
+		IP5170 Digital Picture Frame board, 8005-1113, IP5K-BEV-0011-13 v1.3
+
+config IP5160DEV
+	bool "IP5160Dev_Ver1Dot1"
+	select UBICOM32_V3
+	help
+		Ubicom StreamEngine 5000 Development Board, IP5K-BDV-0004-11 v1.1
+
+config IP5160EVAL
+	bool "IP5160RGWEval_Ver2Rev2"
+	select UBICOM32_V3
+	help
+		Ubicom StreamEngine 5000 RGW Evaluation Board, IP5K-RGW-0004-11 v2.2
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-ip5k/Makefile linux-2.6.30.10-ubi/arch/ubicom32/mach-ip5k/Makefile
--- linux-2.6.30.10/arch/ubicom32/mach-ip5k/Makefile	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-ip5k/Makefile	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,31 @@
+#
+# arch/ubicom32/mach-ip5k/Makefile
+#	Makefile for boards which have an ip5k on them.
+#
+# (C) Copyright 2009, Ubicom, Inc.
+#
+# This file is part of the Ubicom32 Linux Kernel Port.
+#
+# The Ubicom32 Linux Kernel Port is free software: you can redistribute
+# it and/or modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation, either version 2 of the
+# License, or (at your option) any later version.
+#
+# The Ubicom32 Linux Kernel Port is distributed in the hope that it
+# will be useful, but WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+# the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with the Ubicom32 Linux Kernel Port.  If not,
+# see <http://www.gnu.org/licenses/>.
+#
+# Ubicom32 implementation derived from (with many thanks):
+#   arch/m68knommu
+#   arch/blackfin
+#   arch/parisc
+#
+
+obj-$(CONFIG_IP5170DPF)		+= board-ip5170dpf.o
+obj-$(CONFIG_IP5160DEV)		+= board-ip5160dev.o
+obj-$(CONFIG_IP5160EVAL)	+= board-ip5160rgw.o
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-ip7k/board-ip7145dpf.c linux-2.6.30.10-ubi/arch/ubicom32/mach-ip7k/board-ip7145dpf.c
--- linux-2.6.30.10/arch/ubicom32/mach-ip7k/board-ip7145dpf.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-ip7k/board-ip7145dpf.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,715 @@
+/*
+ * arch/ubicom32/mach-ip7k/board-ip7145dpf.c
+ *   Board file for IP7145DPF, rev 1.0, P/N 8007-0410
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+
+#include <linux/input.h>
+
+#include <linux/i2c.h>
+#include <linux/i2c-gpio.h>
+#include <linux/i2c/pca953x.h>
+
+#include <asm/board.h>
+#include <asm/machdep.h>
+#include <asm/ubicom32input.h>
+#include <asm/ubicom32input_i2c.h>
+#include <asm/ubicom32bl.h>
+#include <asm/ubicom32lcdpower.h>
+#include <asm/vdc_tio.h>
+
+#include <asm/ubicom32sd.h>
+#include <asm/sd_tio.h>
+#include <asm/devtree.h>
+#include <asm/audio.h>
+
+#include <asm/ring_tio.h>
+
+/******************************************************************************
+ * SD/IO Port F (Slot 1) platform data
+ */
+static struct resource ip7145dpf_portf_sd_resources[] = {
+	/*
+	 * Send IRQ
+	 */
+	[0] = {
+		/*
+		 * The init routine will query the devtree and fill this in
+		 */
+		.flags	= IORESOURCE_IRQ,
+	},
+
+	/*
+	 * Receive IRQ
+	 */
+	[1] = {
+		/*
+		 * The init routine will query the devtree and fill this in
+		 */
+		.flags	= IORESOURCE_IRQ,
+	},
+
+	/*
+	 * Memory Mapped Registers
+	 */
+	[2] = {
+		/*
+		 * The init routine will query the devtree and fill this in
+		 */
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct ubicom32sd_card ip7145dpf_portf_sd_cards[] = {
+	[0] = {
+		.pin_wp		= IP7145DPF_IOB0,
+		.wp_polarity	= 1,
+		.pin_pwr	= IP7145DPF_IOB4,
+		.pin_cd		= GPIO_RA_4,
+	},
+	[1] = {
+		.pin_wp		= IP7145DPF_IOB1,
+		.wp_polarity	= 1,
+		.pin_pwr	= IP7145DPF_IOB5,
+		.pin_cd		= GPIO_RA_6,
+	},
+};
+
+static struct ubicom32sd_platform_data ip7145dpf_portf_sd_platform_data = {
+	.ncards		= 2,
+	.cards		= ip7145dpf_portf_sd_cards,
+};
+
+static struct platform_device ip7145dpf_portf_sd_device = {
+	.name		= "ubicom32sd",
+	.id		= 0,
+	.resource	= ip7145dpf_portf_sd_resources,
+	.num_resources	= ARRAY_SIZE(ip7145dpf_portf_sd_resources),
+	.dev		= {
+			.platform_data = &ip7145dpf_portf_sd_platform_data,
+	},
+
+};
+
+/*
+ * ip7145dpf_portf_sd_init
+ */
+static void ip7145dpf_portf_sd_init(void)
+{
+	/*
+	 * Check the device tree for the sd_tio
+	 */
+	struct sd_tio_node *sd_node = (struct sd_tio_node *)devtree_find_node("portf_sd");
+	if (!sd_node) {
+		printk(KERN_INFO "PortF SDTIO not found\n");
+		return;
+	}
+
+	/*
+	 * Fill in the resources and platform data from devtree information
+	 */
+	ip7145dpf_portf_sd_resources[0].start = sd_node->dn.sendirq;
+	ip7145dpf_portf_sd_resources[1].start = sd_node->dn.recvirq;
+	ip7145dpf_portf_sd_resources[2].start = (u32_t)&(sd_node->regs);
+	ip7145dpf_portf_sd_resources[2].end = (u32_t)&(sd_node->regs) + sizeof(sd_node->regs);
+
+	platform_device_register(&ip7145dpf_portf_sd_device);
+}
+
+/******************************************************************************
+ * SD/IO Port B (Slot 2) platform data
+ */
+static struct resource ip7145dpf_portb_sd_resources[] = {
+	/*
+	 * Send IRQ
+	 */
+	[0] = {
+		/*
+		 * The init routine will query the devtree and fill this in
+		 */
+		.flags	= IORESOURCE_IRQ,
+	},
+
+	/*
+	 * Receive IRQ
+	 */
+	[1] = {
+		/*
+		 * The init routine will query the devtree and fill this in
+		 */
+		.flags	= IORESOURCE_IRQ,
+	},
+
+	/*
+	 * Memory Mapped Registers
+	 */
+	[2] = {
+		/*
+		 * The init routine will query the devtree and fill this in
+		 */
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct ubicom32sd_card ip7145dpf_portb_sd_cards[] = {
+	[0] = {
+		.pin_wp		= IP7145DPF_IOB2,
+		.wp_polarity	= 1,
+		.pin_pwr	= IP7145DPF_IOB6,
+		.pin_cd		= IP7145DPF_IOB3,
+	},
+};
+
+static struct ubicom32sd_platform_data ip7145dpf_portb_sd_platform_data = {
+	.ncards		= 1,
+	.cards		= ip7145dpf_portb_sd_cards,
+};
+
+static struct platform_device ip7145dpf_portb_sd_device = {
+	.name		= "ubicom32sd",
+	.id		= 1,
+	.resource	= ip7145dpf_portb_sd_resources,
+	.num_resources	= ARRAY_SIZE(ip7145dpf_portb_sd_resources),
+	.dev		= {
+			.platform_data = &ip7145dpf_portb_sd_platform_data,
+	},
+
+};
+
+/*
+ * ip7145dpf_portb_sd_init
+ */
+static void ip7145dpf_portb_sd_init(void)
+{
+	/*
+	 * Check the device tree for the sd_tio
+	 */
+	struct sd_tio_node *sd_node = (struct sd_tio_node *)devtree_find_node("portb_sd");
+	if (!sd_node) {
+		printk(KERN_INFO "PortB SDTIO not found\n");
+		return;
+	}
+
+	/*
+	 * Fill in the resources and platform data from devtree information
+	 */
+	ip7145dpf_portb_sd_resources[0].start = sd_node->dn.sendirq;
+	ip7145dpf_portb_sd_resources[1].start = sd_node->dn.recvirq;
+	ip7145dpf_portb_sd_resources[2].start = (u32_t)&(sd_node->regs);
+	ip7145dpf_portb_sd_resources[2].end = (u32_t)&(sd_node->regs) + sizeof(sd_node->regs);
+
+	platform_device_register(&ip7145dpf_portb_sd_device);
+}
+
+
+#ifdef IP7145DPF_USE_MMC_SPI
+/******************************************************************************
+ * SPI over GPIO (MMC_SPI)
+ */
+#include <linux/spi/spi.h>
+#include <linux/spi/mmc_spi.h>
+#include <linux/mmc/host.h>
+#include <asm/ubicom32-spi-gpio.h>
+
+#define MMC_CS	GPIO_RF_5	// PF5 D3
+#define MMC_CD	GPIO_RA_4	// PA4 CD
+#define MMC_WP	IP7145DPF_IOB0	// IOB0 WP
+#define MMC_PWR	IP7145DPF_IOB4	// IOB4 PWR
+
+/*
+ * SPI bus over GPIO (for SD card)
+ */
+static struct ubicom32_spi_gpio_platform_data ip7145dpf_spi_gpio_data = {
+	.pin_mosi	= GPIO_RF_0,	// PF0 CMD
+	.pin_miso	= GPIO_RF_2,	// PF2 D0
+	.pin_clk	= GPIO_RF_1,	// PF1 CLK
+	.bus_num	= 0,		// We'll call this SPI bus 0
+	.num_chipselect	= 1,		// only one device on this SPI bus
+};
+
+static struct platform_device ip7145dpf_spi_gpio_device = {
+	.name	= "ubicom32-spi-gpio",
+	.id	= 0,
+	.dev	= {
+		.platform_data = &ip7145dpf_spi_gpio_data,
+	},
+};
+
+/*
+ * ip7145dpf_mmc_spi_setpower_slot_a
+ *	Set the power state for slot A
+ */
+static void ip7145dpf_mmc_spi_setpower_slot_a(struct device *dev, unsigned int vdd)
+{
+	struct mmc_spi_platform_data *pd = dev->platform_data;
+
+	/*
+	 * Power is inverted, we could tell the IOB to do it, but it's cleaner this way.
+	 */
+	if ((1 << vdd) & pd->ocr_mask) {
+		gpio_set_value(MMC_PWR, 0);
+		return;
+	}
+	gpio_set_value(MMC_PWR, 1);
+}
+
+/*
+ * ip7145dpf_mmc_spi_get_cd_slot_a
+ *	Get the CD bit for slot A
+ */
+static int ip7145dpf_mmc_spi_get_cd_slot_a(struct device *dev)
+{
+	/*
+	 * Note that the sense of the GPIO is inverted
+	 */
+	return !gpio_get_value(MMC_CD);
+}
+
+/*
+ * ip7145dpf_mmc_spi_get_ro_slot_a
+ *	Get the WP bit for slot A
+ */
+static int ip7145dpf_mmc_spi_get_ro_slot_a(struct device *dev)
+{
+	/*
+	 * Note that the sense of the GPIO is inverted, we could tell the IOB to do it, but
+	 * it's clearer this way.
+	 */
+	return !gpio_get_value(MMC_WP);
+}
+
+/*
+ * ip7145dpf_mmc_spi_exit_slot_a
+ *	Free the appropriate GPIOs for slot A SD slot.
+ */
+static void ip7145dpf_mmc_spi_exit_slot_a(struct device *dev, void *appdata)
+{
+	gpio_free(MMC_CD);
+	gpio_free(MMC_CS);
+	gpio_free(MMC_WP);
+	gpio_free(MMC_PWR);
+	platform_device_unregister(&ip7145dpf_spi_gpio_device);
+}
+
+/*
+ * ip7145dpf_mmc_spi_init_slot_a
+ *	Allocate the appropriate GPIOs for slot A SD slot.
+ *	WP is on IOB0, CD is PA4, CS is on PF5
+ *	TODO: make CD an interrupt
+ */
+static int ip7145dpf_mmc_spi_init_slot_a(void)
+{
+	int ret = gpio_request(MMC_CD, "mmc-a-cd");
+	if (ret) {
+		printk(KERN_ERR "%s: could not request mmc-a-cd pin\n", __FUNCTION__);
+		return -ENOSYS;
+	}
+	gpio_direction_input(MMC_CD);
+
+	ret = gpio_request(MMC_CS, "mmc-a-cs");
+	if (ret) {
+		printk(KERN_ERR "%s: could not request mmc-a-cs pin\n", __FUNCTION__);
+		goto no_cs;
+	}
+	gpio_direction_output(MMC_CS, 0);
+
+	ret = gpio_request(MMC_WP, "mmc-a-wp");
+	if (ret) {
+		printk(KERN_ERR "%s: could not request mmc-a-wp pin\n", __FUNCTION__);
+		goto no_wp;
+	}
+	gpio_direction_input(MMC_WP);
+
+	/*
+	 * Start off with power off
+	 */
+	ret = gpio_request(MMC_PWR, "mmc-a-pwr");
+	if (ret) {
+		printk(KERN_ERR "%s: could not request mmc-a-pwr pin\n", __FUNCTION__);
+		goto no_pwr;
+	}
+	ret = gpio_direction_output(MMC_PWR, 1);
+
+	return 0;
+
+no_pwr:
+	gpio_free(MMC_WP);
+
+no_wp:
+	gpio_free(MMC_CS);
+
+no_cs:
+	gpio_free(MMC_CD);
+	return -ENOSYS;
+}
+
+/*
+ * MMC_SPI driver (currently bitbang)
+ */
+static struct mmc_spi_platform_data ip7145dpf_mmc_platform_data = {
+	.ocr_mask	= MMC_VDD_33_34,
+	.exit		= ip7145dpf_mmc_spi_exit_slot_a,
+	.get_ro		= ip7145dpf_mmc_spi_get_ro_slot_a,
+	.get_cd		= ip7145dpf_mmc_spi_get_cd_slot_a,
+
+	.setpower	= ip7145dpf_mmc_spi_setpower_slot_a,
+	.powerup_msecs	= 500,
+
+	.detect_delay	= 100,
+
+	.caps		= MMC_CAP_NEEDS_POLL,
+};
+
+static struct ubicom32_spi_gpio_controller_data ip7145dpf_mmc_controller_data = {
+	.pin_cs =  MMC_CS,
+};
+
+static struct spi_board_info ip7145dpf_spi_board_info[] = {
+	{
+		.modalias = "mmc_spi",
+		.bus_num = 0,
+		.chip_select = 0,
+		.max_speed_hz = 2000000,
+		.platform_data = &ip7145dpf_mmc_platform_data,
+		.controller_data = &ip7145dpf_mmc_controller_data,
+	}
+};
+#endif /* IP7145DPF_USE_MMC_SPI */
+
+/*
+ * ip7145dpf_u72_setup
+ *	Called by I2C to tell us that u72 is setup.
+ *
+ * This function is called by I2C to tell us that u72 has been setup.  All
+ * devices which rely on this chip being initialized (or even present) need to
+ * be initialized in this function otherwise they may get initialized too early.
+ *
+ * Currently the only device depending on u72 is the SPI
+ */
+static int __init ip7145dpf_u72_setup(struct i2c_client *client, unsigned gpio, unsigned ngpio, void *context)
+{
+#ifdef IP7145DPF_USE_MMC_SPI
+	if (ip7145dpf_mmc_spi_init_slot_a()) {
+		printk(KERN_ERR "%s: could not request mmc resources\n", __FUNCTION__);
+	} else {
+		printk(KERN_INFO "%s: registering SPI resources\n", __FUNCTION__);
+		spi_register_board_info(ip7145dpf_spi_board_info, ARRAY_SIZE(ip7145dpf_spi_board_info));
+		platform_device_register(&ip7145dpf_spi_gpio_device);
+	}
+#else
+	/*
+	 * Initialize the Port F/Port B SD slots
+	 */
+	ip7145dpf_portf_sd_init();
+	ip7145dpf_portb_sd_init();
+#endif
+	return 0;
+}
+
+/******************************************************************************
+ * LCD VGH on the board at PE6
+ */
+static struct ubicom32lcdpower_platform_data ip7145dpf_lcdpower_data = {
+	.vgh_gpio		= GPIO_RE_6,
+	.vgh_polarity		= true,
+};
+
+static struct platform_device ip7145dpf_lcdpower_device = {
+	.name	= "ubicom32lcdpower",
+	.id	= -1,
+	.dev	= {
+		.platform_data = &ip7145dpf_lcdpower_data,
+	},
+};
+
+/******************************************************************************
+ * Backlight on the board PD0, hardware PWM
+ */
+static struct ubicom32bl_platform_data ip7145dpf_backlight_data = {
+	.type			= UBICOM32BL_TYPE_PWM,
+	.pwm_channel		= 2,
+	.pwm_prescale		= 15,
+	.pwm_period		= 60,
+	.default_intensity	= 0x80,
+};
+
+static struct platform_device ip7145dpf_backlight_device = {
+	.name	= "ubicom32bl",
+	.id	= -1,
+	.dev	= {
+		.platform_data = &ip7145dpf_backlight_data,
+	},
+};
+
+/******************************************************************************
+ * Ubicom32Input on I2C, U48 MAX7310, address 0x18, 8 bits
+ */
+static struct ubicom32input_i2c_button ip7145dpf_ubicom32input_i2c_u48_buttons[] = {
+	{
+		.type		= EV_KEY,
+		.code		= KEY_UP,
+		.bit		= 0,
+		.active_low	= 1,
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_LEFT,
+		.bit		= 1,
+		.active_low	= 1,
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_RIGHT,
+		.bit		= 2,
+		.active_low	= 1,
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_DOWN,
+		.bit		= 3,
+		.active_low	= 1,
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_ENTER,
+		.bit		= 4,
+		.active_low	= 1,
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_MENU,
+		.bit		= 5,
+		.active_low	= 1,
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_ESC,
+		.bit		= 6,
+		.active_low	= 1,
+	},
+};
+
+static struct ubicom32input_i2c_platform_data ip7145dpf_ubicom32input_i2c_u48_platform_data = {
+	.buttons	= ip7145dpf_ubicom32input_i2c_u48_buttons,
+	.nbuttons	= ARRAY_SIZE(ip7145dpf_ubicom32input_i2c_u48_buttons),
+	.name		= "Ubicom32 Input I2C U48",
+};
+
+/******************************************************************************
+ * Additional GPIO chips
+ */
+static struct pca953x_platform_data ip7145dpf_gpio_u72_platform_data = {
+	.gpio_base = IP7145DPF_U72_BASE,
+	.setup = ip7145dpf_u72_setup,
+};
+
+/******************************************************************************
+ * Devices on the I2C bus
+ */
+static struct i2c_board_info __initdata ip7145dpf_i2c_board_info[] = {
+	/*
+	 * U51, S35390A RTC, address 0x30
+	 */
+	{
+		.type		= "s35390a",
+		.addr		= 0x30,
+	},
+
+	/*
+	 * U48, MAX7310 IO expander, 8 bits, address 0x18
+	 */
+	{
+		.type		= "ubicom32in_max7310",
+		.addr		= 0x18,
+		.platform_data	= &ip7145dpf_ubicom32input_i2c_u48_platform_data,
+	},
+
+	/*
+	 * U72, MAX7310 IOB expander, 8 bits, address 0x19
+	 */
+	{
+		.type		= "max7310",
+		.addr		= 0x19,
+		.platform_data	= &ip7145dpf_gpio_u72_platform_data,
+	},
+};
+
+/*
+ * I2C bus on the board, SDA PE1, SCL PE2
+ */
+static struct i2c_gpio_platform_data ip7145dpf_i2c_data = {
+	.sda_pin		= GPIO_RE_1,
+	.scl_pin		= GPIO_RE_2,
+	.sda_is_open_drain	= 0,
+	.scl_is_open_drain	= 0,
+};
+
+static struct platform_device ip7145dpf_i2c_device = {
+	.name	= "i2c-gpio",
+	.id	= 0,
+	.dev	= {
+		.platform_data = &ip7145dpf_i2c_data,
+	},
+};
+
+/******************************************************************************
+ * Use ubicom32input driver to monitor the various pushbuttons on this board.
+ *
+ * WPS			PF12
+ * FACT_DEFAULT		PF13
+ * POWER		PE4
+ *
+ * Not sutable for the keypad buttons since those run on I2C GPIO.  The polling
+ * of ubicom32input would seem to be excessive for this.
+ *
+ * TODO: pick some ubicom understood EV_xxx define for WPS and Fact Default
+ */
+static struct ubicom32input_button ip7145dpf_ubicom32input_buttons[] = {
+	{
+		.type		= EV_KEY,
+		.code		= KEY_FN_F1,
+		.gpio		= GPIO_RF_12,
+		.desc		= "WPS",
+		.active_low	= 1,
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_FN_F2,
+		.gpio		= GPIO_RF_13,
+		.desc		= "Factory Default",
+		.active_low	= 1,
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_POWER,
+		.gpio		= GPIO_RE_4,
+		.desc		= "Power",
+		.active_low	= 1,
+	},
+};
+
+static struct ubicom32input_platform_data ip7145dpf_ubicom32input_data = {
+	.buttons	= ip7145dpf_ubicom32input_buttons,
+	.nbuttons	= ARRAY_SIZE(ip7145dpf_ubicom32input_buttons),
+};
+
+static struct platform_device ip7145dpf_ubicom32input_device = {
+	.name	= "ubicom32input",
+	.id	= -1,
+	.dev	= {
+		.platform_data = &ip7145dpf_ubicom32input_data,
+	},
+};
+
+/*
+ * List of all devices in our system
+ */
+static struct platform_device *ip7145dpf_devices[] __initdata = {
+	&ip7145dpf_i2c_device,
+	&ip7145dpf_lcdpower_device,
+	&ip7145dpf_backlight_device,
+	&ip7145dpf_ubicom32input_device,
+};
+
+/*
+ * ip7145dpf_power_off
+ *	Called to turn the power off for this board
+ */
+static void ip7145dpf_power_off(void)
+{
+	gpio_set_value(GPIO_RE_5, 0);
+}
+
+/*
+ * ip7145dpf_init
+ *	Called to add the devices which we have on this board
+ */
+static int __init ip7145dpf_init(void)
+{
+	int ret;
+	struct platform_device *audio_dev;
+
+	ubi_gpio_init();
+
+#ifdef CONFIG_UIO_UBICOM32RING
+	ring_tio_init("decoder_ring");
+#endif
+
+	/*
+	 * Start up the video driver first
+	 */
+	vdc_tio_init();
+
+	/*
+	 * Take over holding of the power from the system
+	 */
+	ret = gpio_request(GPIO_RE_5, "power_hold");
+	if (ret) {
+		printk(KERN_ERR "%s: could not request power hold GPIO\n", __FUNCTION__);
+	}
+	gpio_direction_output(GPIO_RE_5, 1);
+	mach_power_off = ip7145dpf_power_off;
+
+	/*
+	 * USB SEL_HOST_USB line
+	 */
+	ret = gpio_request(GPIO_RF_11, "SEL_HOST_USB");
+	if (ret) {
+		printk(KERN_ERR "%s: could not request SEL_HOST_USB GPIO\n", __FUNCTION__);
+	}
+	gpio_direction_output(GPIO_RF_11, 0);
+
+	/*
+	 * Setup audio
+	 */
+	audio_dev = audio_device_alloc("snd-ubi32-generic", "audio", "audio-i2sout", 0);
+	if (audio_dev) {
+		platform_device_register(audio_dev);
+	}
+
+	/*
+	 * Register all of the devices we have on this board
+	 */
+	printk(KERN_INFO "%s: registering device resources\n", __FUNCTION__);
+	platform_add_devices(ip7145dpf_devices, ARRAY_SIZE(ip7145dpf_devices));
+
+	/*
+	 * Register all of the devices which sit on the I2C bus
+	 */
+	printk(KERN_INFO "%s: registering i2c resources\n", __FUNCTION__);
+	i2c_register_board_info(0, ip7145dpf_i2c_board_info, ARRAY_SIZE(ip7145dpf_i2c_board_info));
+
+	/*
+	 * We have to initialize the SPI after the I2C IOB gets setup. SPI is initialized in
+	 * ip7145dpf_u72_setup
+	 */
+
+	return 0;
+}
+
+arch_initcall(ip7145dpf_init);
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-ip7k/board-ip7160bringup.c linux-2.6.30.10-ubi/arch/ubicom32/mach-ip7k/board-ip7160bringup.c
--- linux-2.6.30.10/arch/ubicom32/mach-ip7k/board-ip7160bringup.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-ip7k/board-ip7160bringup.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,134 @@
+/*
+ * arch/ubicom32/mach-ip7k/board-ip7160bringup.c
+ *   Support for the IP7160 bringup board.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/leds.h>
+#include <linux/delay.h>
+#include <linux/input.h>
+
+#include <asm/board.h>
+#include <asm/machdep.h>
+#include <asm/ubicom32input.h>
+
+#ifdef CONFIG_SERIAL_UBI32_SERDES
+#include <asm/ubicom32suart.h>
+#endif
+
+/*
+ * Use ubicom32input driver to monitor the various pushbuttons on this board.
+ *
+ * WPS			PD5
+ * FACT_DEFAULT		PD6
+ *
+ * TODO: pick some ubicom understood EV_xxx define for WPS and Fact Default
+ */
+static struct ubicom32input_button ip7160bringup_ubicom32input_buttons[] = {
+	{
+		.type		= EV_KEY,
+		.code		= KEY_FN_F1,
+		.gpio		= GPIO_RD_5,
+		.desc		= "WPS",
+		.active_low	= 1,
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_FN_F2,
+		.gpio		= GPIO_RD_6,
+		.desc		= "Factory Default",
+		.active_low	= 1,
+	},
+};
+
+static struct ubicom32input_platform_data ip7160bringup_ubicom32input_data = {
+	.buttons	= ip7160bringup_ubicom32input_buttons,
+	.nbuttons	= ARRAY_SIZE(ip7160bringup_ubicom32input_buttons),
+};
+
+static struct platform_device ip7160bringup_ubicom32input_device = {
+	.name	= "ubicom32input",
+	.id	= -1,
+	.dev	= {
+		.platform_data = &ip7160bringup_ubicom32input_data,
+	},
+};
+
+#ifdef CONFIG_SERIAL_UBI32_SERDES
+static struct resource ip7160bringup_ubicom32_suart_resources[] = {
+	{
+		.start	= RE,
+		.end	= RE,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= PORT_OTHER_INT(RE),
+		.end	= PORT_OTHER_INT(RE),
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.start	= 250000000,
+		.end	= 250000000,
+		.flags	= UBICOM32_SUART_IORESOURCE_CLOCK,
+	},
+};
+
+static struct platform_device ip7160bringup_ubicom32_suart_device = {
+	.name		= "ubicom32suart",
+	.id		= -1,
+	.num_resources  = ARRAY_SIZE(ip7160bringup_ubicom32_suart_resources),
+	.resource	= ip7160bringup_ubicom32_suart_resources,
+};
+#endif
+
+/*
+ * List of all devices in our system
+ */
+static struct platform_device *ip7160bringup_devices[] __initdata = {
+#ifdef CONFIG_SERIAL_UBI32_SERDES
+	&ip7160bringup_ubicom32_suart_device,
+#endif
+	&ip7160bringup_ubicom32input_device,
+};
+
+/*
+ * ip7160bringup_init
+ *	Called to add the devices which we have on this board
+ */
+static int __init ip7160bringup_init(void)
+{
+	board_init();
+
+	ubi_gpio_init();
+
+	printk(KERN_INFO "%s: registering device resources\n", __FUNCTION__);
+	platform_add_devices(ip7160bringup_devices, ARRAY_SIZE(ip7160bringup_devices));
+
+	return 0;
+}
+
+arch_initcall(ip7160bringup_init);
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-ip7k/board-ip7160dpf.c linux-2.6.30.10-ubi/arch/ubicom32/mach-ip7k/board-ip7160dpf.c
--- linux-2.6.30.10/arch/ubicom32/mach-ip7k/board-ip7160dpf.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-ip7k/board-ip7160dpf.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,326 @@
+/*
+ * arch/ubicom32/mach-ip7k/board-ip7160dpf.c
+ *   Platform initialization for ip7160dpf board.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+
+#include <linux/i2c.h>
+#include <linux/i2c-gpio.h>
+
+#include <linux/input.h>
+
+#include <asm/board.h>
+#include <asm/machdep.h>
+#include <asm/ubicom32hid.h>
+#include <asm/vdc_tio.h>
+#include <asm/audio.h>
+
+/*
+ * Backlight on the board PD0, hardware PWM
+ */
+static const struct ubicom32hid_button ip7160dpf_ubicom32hid_buttons[] = {
+	{
+		.type	= EV_KEY,
+		.code	= KEY_UP,
+		.bit	= 0,
+	},
+	{
+		.type	= EV_KEY,
+		.code	= KEY_LEFT,
+		.bit	= 1,
+	},
+	{
+		.type	= EV_KEY,
+		.code	= KEY_RIGHT,
+		.bit	= 2,
+	},
+	{
+		.type	= EV_KEY,
+		.code	= KEY_DOWN,
+		.bit	= 3,
+	},
+	{
+		.type	= EV_KEY,
+		.code	= KEY_ENTER,
+		.bit	= 4,
+	},
+	{
+		.type	= EV_KEY,
+		.code	= KEY_MENU,
+		.bit	= 5,
+	},
+	{
+		.type	= EV_KEY,
+		.code	= KEY_ESC,
+		.bit	= 7,
+	},
+};
+
+static const struct ubicom32hid_ir ip7160dpf_ubicom32hid_ircodes[] = {
+	{
+		.type		= EV_KEY,
+		.code		= KEY_UP,
+		.ir_code	= 0xF807916E
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_DOWN,
+		.ir_code	= 0xF20D916E
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_LEFT,
+		.ir_code	= 0xF609916E
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_RIGHT,
+		.ir_code	= 0xF40B916E
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_ENTER,
+		.ir_code	= 0xF50A916E
+	},
+	{	/* rotate */
+		.type		= EV_KEY,
+		.code		= KEY_FN_F1,
+		.ir_code	= 0xF906916E
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_MENU,
+		.ir_code	= 0xF708916E
+	},
+	{	/* font size */
+		.type		= EV_KEY,
+		.code		= KEY_FN_F2,
+		.ir_code	= 0xF30C916E
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_ESC,
+		.ir_code	= 0xF10E916E
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_VOLUMEUP,
+		.ir_code	= 0xF00F916E
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_VOLUMEDOWN,
+		.ir_code	= 0xED12916E
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_MUTE,
+		.ir_code	= 0xEA15916E
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_INFO,
+		.ir_code	= 0xEF10916E
+	},
+	{	/* Like */
+		.type		= EV_KEY,
+		.code		= KEY_FN_F3,
+		.ir_code	= 0xEE11916E
+	},
+	{	/* Dislike */
+		.type		= EV_KEY,
+		.code		= KEY_FN_F4,
+		.ir_code	= 0xEB14916E
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_POWER,
+		.ir_code	= 0xFD02916E
+	},
+};
+
+static struct ubicom32hid_platform_data ip7160dpf_ubicom32hid_platform_data = {
+	.gpio_reset		= GPIO_RI_5,
+	.gpio_reset_polarity	= 0,
+	.type			= UBICOM32HID_BL_TYPE_PWM,
+	.invert			= 0,
+	.default_intensity	= 128,
+	.buttons		= ip7160dpf_ubicom32hid_buttons,
+	.nbuttons		= ARRAY_SIZE(ip7160dpf_ubicom32hid_buttons),
+	.ircodes		= ip7160dpf_ubicom32hid_ircodes,
+	.nircodes		= ARRAY_SIZE(ip7160dpf_ubicom32hid_ircodes),
+};
+
+/*
+ * Devices on the I2C bus
+ *	This board has a "bus 2" which is isolated from the main bus by U47
+ *	and pin RI0.  It should be safe to always enable bus 2 by setting
+ *	RI0 to low, however, it should be noted that on all existing configurations
+ *	of this board, U49 and U51 are not populated.
+ */
+static struct i2c_board_info __initdata ip7160dpf_i2c_board_info[] = {
+	/*
+	 * U37, CS4350 DAC, address 0x4B, bus 2
+	 *	THIS ENTRY MUST BE FIRST
+	 */
+	{
+		.type		= "cs4350",
+		.addr		= 0x4B,
+	}
+
+	/*
+	 * U24, ubicom32hid
+	 */
+	{
+		.type		= "ubicom32hid",
+		.addr		= 0x08,
+		.platform_data	= &ip7160dpf_ubicom32hid_platform_data,
+	},
+
+	/*
+	 * U49, ISL29001 Ambient Light Sensor, address 0x44, bus 2 (may not be stuffed)
+	 */
+
+	/*
+	 * U51, S35390A RTC, address 0x30, bus 2 (may not be stuffed)
+	 */
+#ifdef CONFIG_RTC_DRV_S35390A
+	{
+		.type           = "s35390a",
+		.addr           = 0x30,
+	},
+#endif
+};
+
+/*
+ * I2C bus on the board, SDA PI1, SCL PI2
+ */
+static struct i2c_gpio_platform_data ip7160dpf_i2c_data = {
+	.sda_pin		= GPIO_RI_1,
+	.scl_pin		= GPIO_RI_2,
+	.sda_is_open_drain	= 0,
+	.scl_is_open_drain	= 0,
+	.scl_is_output_only	= 1,
+	.udelay			= 6,
+};
+
+static struct platform_device ip7160dpf_i2c_device = {
+	.name	= "i2c-gpio",
+	.id	= 0,
+	.dev	= {
+		.platform_data = &ip7160dpf_i2c_data,
+	},
+};
+
+/*
+ * List of all devices in our system
+ */
+static struct platform_device *ip7160dpf_devices[] __initdata = {
+	&ip7160dpf_i2c_device,
+};
+
+/*
+ * ip7160dpf_power_off
+ *	Called to turn the power off for this board
+ */
+static void ip7160dpf_power_off(void)
+{
+	gpio_set_value(GPIO_RF_14, 0);
+}
+
+/*
+ * ip7160dpf_init
+ *	Called to add the devices which we have on this board
+ */
+static int __init ip7160dpf_init(void)
+{
+	int ret;
+	struct platform_device *audio_dev;
+
+	ubi_gpio_init();
+
+	/*
+	 * Hold the POWER_HOLD line
+	 */
+	ret = gpio_request(GPIO_RF_14, "POWER_HOLD");
+	if (ret) {
+		printk(KERN_ERR "%s: could not request POWER_HOLD GPIO\n", __FUNCTION__);
+	}
+	gpio_direction_output(GPIO_RF_14, 1);
+	mach_power_off = ip7160dpf_power_off;
+
+	/*
+	 * USB SEL_HOST_USB line
+	 */
+	ret = gpio_request(GPIO_RI_13, "SEL_HOST_USB");
+	if (ret) {
+		printk(KERN_ERR "%s: could not request SEL_HOST_USB GPIO\n", __FUNCTION__);
+	}
+	gpio_direction_output(GPIO_RI_13, 0);
+
+	/*
+	 * USB/DAC nRESET line
+	 */
+	ret = gpio_request(GPIO_RI_3, "USB_DAC_nRESET");
+	if (ret) {
+		printk(KERN_ERR "%s: could not request USB_DAC_nRESET GPIO\n", __FUNCTION__);
+	}
+	gpio_direction_output(GPIO_RI_3, 0);
+	udelay(1);
+	gpio_direction_output(GPIO_RI_3, 1);
+
+	/*
+	 * I2C BUS2 Disable line
+	 */
+	ret = gpio_request(GPIO_RI_0, "DISABLE_BUS2");
+	if (ret) {
+		printk(KERN_ERR "%s: could not request DISABLE_BUS2 GPIO\n", __FUNCTION__);
+	}
+	gpio_direction_output(GPIO_RI_0, 0);
+
+	vdc_tio_init();
+
+	printk(KERN_INFO "%s: registering device resources\n", __FUNCTION__);
+	platform_add_devices(ip7160dpf_devices, ARRAY_SIZE(ip7160dpf_devices));
+
+	/*
+	 * Allocate the audio driver if we can
+	 */
+	audio_dev = audio_device_alloc("snd-ubi32-cs4350", "audio-i2sout", 0);
+	if (audio_dev) {
+		ip7160dpf_i2c_board_info[0].platform_data = audio_dev;
+	}
+
+	printk(KERN_INFO "%s: registering i2c resources\n", __FUNCTION__);
+	i2c_register_board_info(0, ip7160dpf_i2c_board_info, ARRAY_SIZE(ip7160dpf_i2c_board_info));
+
+	return 0;
+}
+
+arch_initcall(ip7160dpf_init);
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-ip7k/board-ip7160rgw.c linux-2.6.30.10-ubi/arch/ubicom32/mach-ip7k/board-ip7160rgw.c
--- linux-2.6.30.10/arch/ubicom32/mach-ip7k/board-ip7160rgw.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-ip7k/board-ip7160rgw.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,355 @@
+/*
+ * arch/ubicom32/mach-ip7k/board-ip7160rgw.c
+ *   Platform initialization for ip7160rgw board.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/leds.h>
+#include <linux/delay.h>
+#include <linux/input.h>
+#include <linux/spi/spi.h>
+
+#include <asm/board.h>
+#include <asm/machdep.h>
+#include <asm/ubicom32input.h>
+
+#ifdef CONFIG_SERIAL_UBI32_SERDES
+#include <asm/ubicom32suart.h>
+#endif
+
+#include <asm/ubicom32-spi-gpio.h>
+#include <asm/switch-dev.h>
+
+#ifdef CONFIG_IP7160RGWLCD
+#include <linux/i2c.h>
+#include <linux/i2c-gpio.h>
+/*
+ * LCD Adapter board 8007-092x support
+ *
+ * Touch controller
+ *
+ * Connected via I2C bus, interrupt on PA6
+ */
+#include <linux/i2c/tsc2007.h>
+
+/*
+ * ip7160rgwlcd_tsc2007_exit_platform_hw
+ */
+static void ip7160rgwlcd_tsc2007_exit_platform_hw(void)
+{
+	UBICOM32_IO_PORT(RA)->ctl0 &= ~(0x03 << 17);
+	gpio_free(GPIO_RA_5);
+}
+
+/*
+ * ip7160rgwlcd_tsc2007_init_platform_hw
+ */
+static int ip7160rgwlcd_tsc2007_init_platform_hw(void)
+{
+	int res = gpio_request(GPIO_RA_5, "TSC2007_IRQ");
+	if (res) {
+		return res;
+	}
+
+	UBICOM32_IO_PORT(RA)->ctl0 &= ~(0x03 << 17);
+	UBICOM32_IO_PORT(RA)->ctl0 |= (0x02 << 17);
+	return 0;
+}
+
+/*
+ * ip7160rgwlcd_tsc2007_get_pendown_state
+ */
+static int ip7160rgwlcd_tsc2007_get_pendown_state(void)
+{
+	return !gpio_get_value(GPIO_RA_5);
+}
+
+static struct tsc2007_platform_data ip7160rgwlcd_tsc2007_data = {
+	.model			= 2007,
+	.x_plate_ohms		= 350,
+	.get_pendown_state	= ip7160rgwlcd_tsc2007_get_pendown_state,
+	.init_platform_hw	= ip7160rgwlcd_tsc2007_init_platform_hw,
+	.exit_platform_hw	= ip7160rgwlcd_tsc2007_exit_platform_hw,
+};
+
+/******************************************************************************
+ * I2C bus on the board, SDA PI14, SCL PI13
+ */
+static struct i2c_gpio_platform_data ip7160rgwlcd_i2c_data = {
+	.sda_pin		= GPIO_RI_14,
+	.scl_pin		= GPIO_RI_13,
+	.sda_is_open_drain	= 0,
+	.scl_is_open_drain	= 0,
+	.udelay			= 50,
+};
+
+static struct platform_device ip7160rgwlcd_i2c_device = {
+	.name	= "i2c-gpio",
+	.id	= 0,
+	.dev	= {
+		.platform_data = &ip7160rgwlcd_i2c_data,
+	},
+};
+
+static struct i2c_board_info __initdata ip7160rgwlcd_i2c_board_info[] = {
+	{
+		.type = "tsc2007",
+		.addr = 0x48,
+		.irq = 45, // RA5
+		.platform_data = &ip7160rgwlcd_tsc2007_data,
+	},
+};
+
+#endif
+
+/*
+ * SPI bus over GPIO for Gigabit Ethernet Switch
+ *	U58:
+ *		MOSI	PE0
+ *		MISO	PE1
+ *		CLK	PE3
+ *		CS	PE2
+ */
+static struct ubicom32_spi_gpio_platform_data ip7160rgw_spi_gpio_data = {
+	.pin_mosi	= GPIO_RE_0,
+	.pin_miso	= GPIO_RE_1,
+	.pin_clk	= GPIO_RE_3,
+	.bus_num	= 0,		// We'll call this SPI bus 0
+	.num_chipselect	= 1,		// only one device on this SPI bus
+	.clk_default	= 1,
+};
+
+static struct platform_device ip7160rgw_spi_gpio_device = {
+	.name	= "ubicom32-spi-gpio",
+	.id	= 0,
+	.dev	= {
+		.platform_data = &ip7160rgw_spi_gpio_data,
+	},
+};
+
+static struct ubicom32_spi_gpio_controller_data ip7160rgw_bcm539x_controller_data = {
+	.pin_cs = GPIO_RE_2,
+};
+
+static struct switch_core_platform_data ip7160rgw_bcm539x_platform_data = {
+	.flags		= SWITCH_DEV_FLAG_HW_RESET,
+	.pin_reset	= GPIO_RE_4,
+	.name		= "bcm539x",
+};
+
+static struct spi_board_info ip7160rgw_spi_board_info[] = {
+	{
+		.modalias		= "bcm539x-spi",
+		.bus_num		= 0,
+		.chip_select		= 0,
+		.max_speed_hz		= 2000000,
+		.platform_data		= &ip7160rgw_bcm539x_platform_data,
+		.controller_data	= &ip7160rgw_bcm539x_controller_data,
+		.mode			= SPI_MODE_3,
+	}
+};
+
+/*
+ * LEDs
+ *
+ * WLAN1		PD0	(PWM capable)
+ * WLAN2		PD1
+ * USB2.0		PD2
+ * Status		PD3
+ * WPS			PD4
+ *
+ * TODO: check triggers, are they generic?
+ */
+static struct gpio_led ip7160rgw_gpio_leds[] = {
+	{
+		.name			= "d53:green:WLAN1",
+		.default_trigger	= "WLAN1",
+		.gpio			= GPIO_RD_0,
+		.active_low		= 1,
+	},
+	{
+		.name			= "d54:green:WLAN2",
+		.default_trigger	= "WLAN2",
+		.gpio			= GPIO_RD_1,
+		.active_low		= 1,
+	},
+	{
+		.name			= "d55:green:USB",
+		.default_trigger	= "USB",
+		.gpio			= GPIO_RD_2,
+		.active_low		= 1,
+	},
+	{
+		.name			= "d56:green:Status",
+		.default_trigger	= "Status",
+		.gpio			= GPIO_RD_3,
+		.active_low		= 1,
+	},
+	{
+		.name			= "d57:green:WPS",
+		.default_trigger	= "WPS",
+		.gpio			= GPIO_RD_4,
+		.active_low		= 1,
+	},
+};
+
+static struct gpio_led_platform_data ip7160rgw_gpio_led_platform_data = {
+	.num_leds	= 5,
+	.leds		= ip7160rgw_gpio_leds,
+};
+
+static struct platform_device ip7160rgw_gpio_leds_device = {
+	.name		= "leds-gpio",
+	.id		= -1,
+	.dev = {
+		.platform_data = &ip7160rgw_gpio_led_platform_data,
+	},
+};
+
+/*
+ * Use ubicom32input driver to monitor the various pushbuttons on this board.
+ *
+ * WPS			PD5
+ * FACT_DEFAULT		PD6
+ *
+ * TODO: pick some ubicom understood EV_xxx define for WPS and Fact Default
+ */
+static struct ubicom32input_button ip7160rgw_ubicom32input_buttons[] = {
+	{
+		.type		= EV_KEY,
+		.code		= KEY_FN_F1,
+		.gpio		= GPIO_RD_5,
+		.desc		= "WPS",
+		.active_low	= 1,
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_FN_F2,
+		.gpio		= GPIO_RD_6,
+		.desc		= "Factory Default",
+		.active_low	= 1,
+	},
+};
+
+static struct ubicom32input_platform_data ip7160rgw_ubicom32input_data = {
+	.buttons	= ip7160rgw_ubicom32input_buttons,
+	.nbuttons	= ARRAY_SIZE(ip7160rgw_ubicom32input_buttons),
+};
+
+static struct platform_device ip7160rgw_ubicom32input_device = {
+	.name	= "ubicom32input",
+	.id	= -1,
+	.dev	= {
+		.platform_data = &ip7160rgw_ubicom32input_data,
+	},
+};
+
+#ifdef CONFIG_SERIAL_UBI32_SERDES
+static struct resource ip7160rgw_ubicom32_suart_resources[] = {
+	{
+		.start	= RE,
+		.end	= RE,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= PORT_OTHER_INT(RE),
+		.end	= PORT_OTHER_INT(RE),
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.start	= 250000000,
+		.end	= 250000000,
+		.flags	= UBICOM32_SUART_IORESOURCE_CLOCK,
+	},
+};
+
+static struct platform_device ip7160rgw_ubicom32_suart_device = {
+	.name		= "ubicom32suart",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(ip7160rgw_ubicom32_suart_resources),
+	.resource	= ip7160rgw_ubicom32_suart_resources,
+};
+#endif
+
+/*
+ * List of all devices in our system
+ */
+static struct platform_device *ip7160rgw_devices[] __initdata = {
+#ifdef CONFIG_SERIAL_UBI32_SERDES
+	&ip7160rgw_ubicom32_suart_device,
+#endif
+	&ip7160rgw_ubicom32input_device,
+	&ip7160rgw_gpio_leds_device,
+	&ip7160rgw_spi_gpio_device,
+#ifdef CONFIG_IP7160RGWLCD
+	&ip7160rgwlcd_i2c_device,
+#endif
+};
+
+/*
+ * ip7160rgw_init
+ *	Called to add the devices which we have on this board
+ */
+static int __init ip7160rgw_init(void)
+{
+	board_init();
+
+	/*
+	 * Rev 1.2 boards have spi in a different place than 1.1/1.0
+	 */
+	if (strcmp(board_get_revision(), "1.2") == 0) {
+		ip7160rgw_spi_gpio_data.pin_mosi = GPIO_RD_7;
+	}
+
+	ubi_gpio_init();
+
+	/*
+	 * Reserve switch SPI CS on behalf on switch driver
+	 */
+	if (gpio_request(ip7160rgw_bcm539x_controller_data.pin_cs, "switch-bcm539x-cs")) {
+		printk(KERN_WARNING "Could not request cs of switch SPI I/F\n");
+		return -EIO;
+	}
+	gpio_direction_output(ip7160rgw_bcm539x_controller_data.pin_cs, 1);
+
+	printk(KERN_INFO "%s: registering device resources\n", __FUNCTION__);
+	platform_add_devices(ip7160rgw_devices, ARRAY_SIZE(ip7160rgw_devices));
+
+	printk(KERN_INFO "%s: registering SPI resources\n", __FUNCTION__);
+	spi_register_board_info(ip7160rgw_spi_board_info, ARRAY_SIZE(ip7160rgw_spi_board_info));
+
+#ifdef CONFIG_IP7160RGWLCD
+	printk(KERN_INFO "%s: registering i2c resources\n", __FUNCTION__);
+	i2c_register_board_info(0, ip7160rgwlcd_i2c_board_info, ARRAY_SIZE(ip7160rgwlcd_i2c_board_info));
+	printk(KERN_INFO "IP7160 RGW + LCD\n");
+#else
+	printk(KERN_INFO "IP7160 RGW\n");
+#endif
+	return 0;
+}
+
+arch_initcall(ip7160rgw_init);
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-ip7k/board-ip7500av.c linux-2.6.30.10-ubi/arch/ubicom32/mach-ip7k/board-ip7500av.c
--- linux-2.6.30.10/arch/ubicom32/mach-ip7k/board-ip7500av.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-ip7k/board-ip7500av.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,273 @@
+/*
+ * arch/ubicom32/mach-ip7k/board-ip7500av.c
+ *   Support for IP7500 Audio Video Board + CPU module board.
+ *
+ * This file supports the IP7500 Audio Video Board:
+ *	8007-0810  Rev 1.0
+ * with one of the following CPU module boards:
+ *	8007-0510  Rev 1.0
+ *	8007-0510A Rev 1.0 (with ethernet)
+ *
+ * DIP Switch SW2 configuration: (*) default
+ *	POS 1: on(*) = PCI enabled, off = PCI disabled
+ *	POS 2: on(*) = TTYX => PA6, off = TTYX => PF12
+ *	POS 3: on(*) = TTYY => PA7, off = TTYY => PF15
+ *	POS 4: unused
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/device.h>
+#include <linux/gpio.h>
+#include <linux/i2c.h>
+#include <linux/i2c-gpio.h>
+#include <linux/delay.h>
+#include <asm/board.h>
+#include <asm/machdep.h>
+#include <asm/ring_tio.h>
+#include <asm/vdc_tio.h>
+#include <asm/audio.h>
+#include <asm/ubi32-pcm.h>
+#include <asm/ubi32-cs4384.h>
+
+/******************************************************************************
+ * Devices on the I2C bus
+ *
+ * BEWARE of changing the order of things in this array as we depend on
+ * certain things to be in certain places.
+ */
+static struct i2c_board_info __initdata ip7500av_i2c_board_info[] = {
+	/*
+	 * U6, CS4384 DAC, address 0x19
+	 */
+	{
+		.type		= "cs4384",
+		.addr		= 0x19,
+	},
+};
+
+/*
+ * I2C bus on the board, SDA PD1, SCL PD2
+ */
+static struct i2c_gpio_platform_data ip7500av_i2c_data = {
+	.sda_pin		= GPIO_RD_6,
+	.scl_pin		= GPIO_RD_3,
+	.sda_is_open_drain	= 0,
+	.scl_is_open_drain	= 0,
+	.udelay			= 50,
+};
+
+static struct platform_device ip7500av_i2c_device = {
+	.name	= "i2c-gpio",
+	.id	= 0,
+	.dev	= {
+		.platform_data = &ip7500av_i2c_data,
+	},
+};
+
+/*
+ * List of possible mclks we can generate.  This depends on the CPU frequency.
+ */
+static struct ubi32_cs4384_mclk_entry ip7500av_cs4384_mclk_entries[] = {
+	{
+		.rate	=	12288000,
+		.div	=	44,
+	},
+	{
+		.rate	=	11289600,
+		.div	=	48,
+	},
+};
+
+/*
+ * List of all devices in our system
+ */
+static struct platform_device *ip7500av_devices[] __initdata = {
+	&ip7500av_i2c_device,
+};
+
+/*
+ * ip7500av_vdac_write
+ */
+static int __init ip7500av_vdac_write(int reg, int val)
+{
+	struct i2c_adapter *adap;
+	struct i2c_msg msg[1];
+	unsigned char data[2];
+	int err;
+
+	adap = i2c_get_adapter(0);
+	if (!adap) {
+		printk(KERN_WARNING "%s: failed to get i2c adapter\n", __FUNCTION__);
+		return -ENODEV;
+	}
+	msg->addr = 0x2B;
+	msg->flags = 0;
+	msg->len = 2;
+	msg->buf = data;
+	data[0] = reg;
+	data[1] = val;
+	err = i2c_transfer(adap, msg, 1);
+	i2c_put_adapter(adap);
+	if (err >= 0) {
+		return 0;
+	}
+	return err;
+}
+
+/*
+ * ip7500av_vdac_init
+ *	Initializes the video DAC via I2C
+ *
+ * Equivalent mode line: 720x480p = 27 Mhz, 720 736 800 858 480 484 492 525
+ */
+static int __init ip7500av_vdac_init(void)
+{
+	int err;
+
+	printk(KERN_INFO "Initializing ADV7393 DAC\n");
+
+	/*
+	 * Reset the VDAC
+	 */
+	if (gpio_request(GPIO_RF_6, "VDAC Reset")) {
+		printk(KERN_WARNING "%s: failed to allocate VDAC Reset\n", __FUNCTION__);
+		return -EBUSY;
+	}
+	gpio_direction_output(GPIO_RF_6, 0);
+	udelay(1);
+	gpio_set_value(GPIO_RF_6, 1);
+
+	/*
+	 * See table 100 of ADV7393 data sheet: 16-bit 525p YCrCb In, YPbPr Out
+	 */
+	err = ip7500av_vdac_write(0x17, 0x02);
+	if (err) {
+		printk(KERN_WARNING "%s: failed to write VDAC\n", __FUNCTION__);
+		return err;
+	}
+	err = ip7500av_vdac_write(0x00, 0x1c);
+	if (err) {
+		printk(KERN_WARNING "%s: failed to write VDAC\n", __FUNCTION__);
+		return err;
+	}
+	err = ip7500av_vdac_write(0x01, 0x10);
+	if (err) {
+		printk(KERN_WARNING "%s: failed to write VDAC\n", __FUNCTION__);
+		return err;
+	}
+	err = ip7500av_vdac_write(0x31, 0x01);
+	if (err) {
+		printk(KERN_WARNING "%s: failed to write VDAC\n", __FUNCTION__);
+		return err;
+	}
+#ifdef IP7500AV_VDAC_SWAP_PBPR
+	err = ip7500av_vdac_write(0x35, 0x08);
+	if (err) {
+		printk(KERN_WARNING "%s: failed to write VDAC\n", __FUNCTION__);
+		return err;
+	}
+#endif
+#ifdef IP7500AV_VDAC_FULL_RANGE
+	err = ip7500av_vdac_write(0x30, 0x02);
+	if (err) {
+		printk(KERN_WARNING "%s: failed to write VDAC\n", __FUNCTION__);
+		return err;
+	}
+#endif
+	return 0;
+}
+late_initcall(ip7500av_vdac_init);
+
+/*
+ * ip7500av_init
+ *	Called to add the devices which we have on this board
+ */
+static int __init ip7500av_init(void)
+{
+	struct platform_device *audio_dev;
+	struct platform_device *audio_dev2;
+	struct ubi32_cs4384_platform_data *cs4384_pd;
+
+	board_init();
+
+	ubi_gpio_init();
+
+	vdc_tio_init();
+
+	printk(KERN_INFO "%s: registering device resources\n", __FUNCTION__);
+	platform_add_devices(ip7500av_devices, ARRAY_SIZE(ip7500av_devices));
+
+	/*
+	 * CS4384 DAC
+	 */
+	audio_dev = audio_device_alloc("snd-ubi32-cs4384", "audio", "audio-i2sout",
+			sizeof(struct ubi32_cs4384_platform_data));
+	if (audio_dev) {
+		/*
+		 * Attempt to figure out a good divisor.  This will only work
+		 * assuming the core frequency is compatible.
+		 */
+		int i;
+		unsigned int freq = processor_frequency();
+		for (i = 0; i < ARRAY_SIZE(ip7500av_cs4384_mclk_entries); i++) {
+			unsigned int div;
+			unsigned int rate = ip7500av_cs4384_mclk_entries[i].rate / 1000;
+			div = ((freq / rate) + 500) / 1000;
+			ip7500av_cs4384_mclk_entries[i].div = div;
+			printk("CS4384 mclk %d rate %u000Hz div %u act %u\n", i, rate, div, freq / div);
+		}
+
+		cs4384_pd = audio_device_priv(audio_dev);
+		cs4384_pd->mclk_src = UBI32_CS4384_MCLK_PWM_0;
+		cs4384_pd->n_mclk = ARRAY_SIZE(ip7500av_cs4384_mclk_entries);
+		cs4384_pd->mclk_entries = ip7500av_cs4384_mclk_entries;
+		ip7500av_i2c_board_info[0].platform_data = audio_dev;
+
+		/*
+		 * Reset the DAC
+		 */
+		if (gpio_request(GPIO_RF_4, "DAC Reset") == 0) {
+			gpio_direction_output(GPIO_RF_4, 0);
+			udelay(1);
+			gpio_direction_output(GPIO_RF_4, 1);
+		} else {
+			printk("Unable to request DAC reset GPIO\n");
+		}
+	}
+
+	/*
+	 * SPDIF port
+	 */
+	audio_dev2 = audio_device_alloc("snd-ubi32-generic", "audio", "audio-spdifout", 0);
+	if (audio_dev2) {
+		platform_device_register(audio_dev2);
+	}
+
+	/*
+	 * Register all of the devices which sit on the I2C bus
+	 */
+	printk(KERN_INFO "%s: registering i2c resources\n", __FUNCTION__);
+	i2c_register_board_info(0, ip7500av_i2c_board_info, ARRAY_SIZE(ip7500av_i2c_board_info));
+
+	printk(KERN_INFO "IP7500 Audio/Video Board\n");
+	return 0;
+}
+arch_initcall(ip7500av_init);
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-ip7k/board-ip7500iap.c linux-2.6.30.10-ubi/arch/ubicom32/mach-ip7k/board-ip7500iap.c
--- linux-2.6.30.10/arch/ubicom32/mach-ip7k/board-ip7500iap.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-ip7k/board-ip7500iap.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,414 @@
+/*
+ * arch/ubicom32/mach-ip7k/board-ip7500iap.c
+ *   Support for IP7500 Internet Audio Player
+ *
+ * This file supports the IP7500 Internet Audio Player:
+ *	8007-1110  Rev 1.0
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+#include <linux/device.h>
+#include <linux/gpio.h>
+#include <asm/board.h>
+
+#include <linux/delay.h>
+
+#include <linux/platform_device.h>
+#include <asm/audio.h>
+#include <linux/i2c.h>
+#include <linux/i2c-gpio.h>
+
+#include <asm/ubicom32sd.h>
+#include <asm/sd_tio.h>
+
+#include <asm/ubicom32bl.h>
+
+#include <asm/machdep.h>
+
+/******************************************************************************
+ * SD/IO Port F (Slot 1) platform data
+ */
+static struct resource ip7500iap_portf_sd_resources[] = {
+	/*
+	 * Send IRQ
+	 */
+	[0] = {
+		/*
+		 * The init routine will query the devtree and fill this in
+		 */
+		.flags	= IORESOURCE_IRQ,
+	},
+
+	/*
+	 * Receive IRQ
+	 */
+	[1] = {
+		/*
+		 * The init routine will query the devtree and fill this in
+		 */
+		.flags	= IORESOURCE_IRQ,
+	},
+
+	/*
+	 * Memory Mapped Registers
+	 */
+	[2] = {
+		/*
+		 * The init routine will query the devtree and fill this in
+		 */
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct ubicom32sd_card ip7500iap_portf_sd_cards[] = {
+	[0] = {
+		.pin_wp		= GPIO_RF_7,
+		.wp_polarity	= 1,
+		.pin_pwr	= GPIO_RF_8,
+		.pin_cd		= GPIO_RF_6,
+	},
+};
+
+static struct ubicom32sd_platform_data ip7500iap_portf_sd_platform_data = {
+	.ncards		= 1,
+	.cards		= ip7500iap_portf_sd_cards,
+};
+
+static struct platform_device ip7500iap_portf_sd_device = {
+	.name		= "ubicom32sd",
+	.id		= 0,
+	.resource	= ip7500iap_portf_sd_resources,
+	.num_resources	= ARRAY_SIZE(ip7500iap_portf_sd_resources),
+	.dev		= {
+			.platform_data = &ip7500iap_portf_sd_platform_data,
+	},
+
+};
+
+/*
+ * ip7500iap_portf_sd_init
+ */
+static void ip7500iap_portf_sd_init(void)
+{
+	/*
+	 * Check the device tree for the sd_tio
+	 */
+	struct sd_tio_node *sd_node = (struct sd_tio_node *)devtree_find_node("portf_sd");
+	if (!sd_node) {
+		printk(KERN_INFO "PortF SDTIO not found\n");
+		return;
+	}
+
+	/*
+	 * Fill in the resources and platform data from devtree information
+	 */
+	ip7500iap_portf_sd_resources[0].start = sd_node->dn.sendirq;
+	ip7500iap_portf_sd_resources[1].start = sd_node->dn.recvirq;
+	ip7500iap_portf_sd_resources[2].start = (u32_t)&(sd_node->regs);
+	ip7500iap_portf_sd_resources[2].end = (u32_t)&(sd_node->regs) + sizeof(sd_node->regs);
+
+	platform_device_register(&ip7500iap_portf_sd_device);
+}
+
+/******************************************************************************
+ * SD/IO Port B (Slot 2) platform data
+ */
+static struct resource ip7500iap_portb_sd_resources[] = {
+	/*
+	 * Send IRQ
+	 */
+	[0] = {
+		/*
+		 * The init routine will query the devtree and fill this in
+		 */
+		.flags	= IORESOURCE_IRQ,
+	},
+
+	/*
+	 * Receive IRQ
+	 */
+	[1] = {
+		/*
+		 * The init routine will query the devtree and fill this in
+		 */
+		.flags	= IORESOURCE_IRQ,
+	},
+
+	/*
+	 * Memory Mapped Registers
+	 */
+	[2] = {
+		/*
+		 * The init routine will query the devtree and fill this in
+		 */
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct ubicom32sd_card ip7500iap_portb_sd_cards[] = {
+	[0] = {
+		.pin_wp		= GPIO_RB_13,
+		.wp_polarity	= 1,
+		.pin_pwr	= GPIO_RB_11,
+		.pin_cd		= GPIO_RB_12,
+	},
+};
+
+static struct ubicom32sd_platform_data ip7500iap_portb_sd_platform_data = {
+	.ncards		= 1,
+	.cards		= ip7500iap_portb_sd_cards,
+};
+
+static struct platform_device ip7500iap_portb_sd_device = {
+	.name		= "ubicom32sd",
+	.id		= 1,
+	.resource	= ip7500iap_portb_sd_resources,
+	.num_resources	= ARRAY_SIZE(ip7500iap_portb_sd_resources),
+	.dev		= {
+			.platform_data = &ip7500iap_portb_sd_platform_data,
+	},
+
+};
+
+/*
+ * ip7500iap_portb_sd_init
+ */
+static void ip7500iap_portb_sd_init(void)
+{
+	/*
+	 * Check the device tree for the sd_tio
+	 */
+	struct sd_tio_node *sd_node = (struct sd_tio_node *)devtree_find_node("portb_sd");
+	if (!sd_node) {
+		printk(KERN_INFO "PortB SDTIO not found\n");
+		return;
+	}
+
+	/*
+	 * Fill in the resources and platform data from devtree information
+	 */
+	ip7500iap_portb_sd_resources[0].start = sd_node->dn.sendirq;
+	ip7500iap_portb_sd_resources[1].start = sd_node->dn.recvirq;
+	ip7500iap_portb_sd_resources[2].start = (u32_t)&(sd_node->regs);
+	ip7500iap_portb_sd_resources[2].end = (u32_t)&(sd_node->regs) + sizeof(sd_node->regs);
+
+	platform_device_register(&ip7500iap_portb_sd_device);
+}
+
+/******************************************************************************
+ * Touch controller
+ *
+ * Connected via I2C bus, interrupt on PA6
+ */
+#include <linux/i2c/tsc2007.h>
+
+/*
+ * ip7500iap_tsc2007_exit_platform_hw
+ */
+static void ip7500iap_tsc2007_exit_platform_hw(void)
+{
+	UBICOM32_IO_PORT(RA)->ctl0 &= ~(0x03 << 19);
+	gpio_free(GPIO_RA_6);
+}
+
+/*
+ * ip7500iap_tsc2007_init_platform_hw
+ */
+static int ip7500iap_tsc2007_init_platform_hw(void)
+{
+	int res = gpio_request(GPIO_RA_6, "TSC2007_IRQ");
+	if (res) {
+		return res;
+	}
+
+	UBICOM32_IO_PORT(RA)->ctl0 &= ~(0x03 << 19);
+	UBICOM32_IO_PORT(RA)->ctl0 |= (0x02 << 19);
+	return 0;
+}
+
+/*
+ * ip7500iap_tsc2007_get_pendown_state
+ */
+static int ip7500iap_tsc2007_get_pendown_state(void)
+{
+	return !gpio_get_value(GPIO_RA_6);
+}
+
+static struct tsc2007_platform_data ip7500iap_tsc2007_data = {
+	.model			= 2007,
+	.x_plate_ohms		= 350,
+	.get_pendown_state	= ip7500iap_tsc2007_get_pendown_state,
+	.init_platform_hw	= ip7500iap_tsc2007_init_platform_hw,
+	.exit_platform_hw	= ip7500iap_tsc2007_exit_platform_hw,
+};
+
+/******************************************************************************
+ * i2c devices
+ *
+ * DO NOT CHANGE THE ORDER HERE unless you know how this works.  There
+ * are hardcoded indicies which refer to the order of drivers listed here.
+ */
+static struct i2c_board_info __initdata ip7500iap_i2c_board_info[] = {
+	/*
+	 * U6, CS4350 DAC, address 0x4B
+	 */
+	{
+		.type		= "cs4350",
+		.addr		= 0x4B,
+	},
+
+	/*
+	 * U20, S35390A RTC, address 0x30
+	 */
+	{
+		.type           = "s35390a",
+		.addr           = 0x30,
+	},
+
+	/*
+	 * U9, TSC2007 Touch screen controller, address 0x49, irq RA6
+	 */
+	{
+		.type		= "tsc2007",
+		.addr		= 0x49,
+		.irq		= 46,
+		.platform_data	= &ip7500iap_tsc2007_data,
+	},
+};
+
+/*
+ * I2C bus on the board, SDA PE4, SCL PE5
+ */
+static struct i2c_gpio_platform_data ip7500iap_i2c_data = {
+	.sda_pin		= GPIO_RF_14,
+	.scl_pin		= GPIO_RF_13,
+	.sda_is_open_drain	= 0,
+	.scl_is_open_drain	= 0,
+	.udelay			= 50,
+};
+
+static struct platform_device ip7500iap_i2c_device = {
+	.name	= "i2c-gpio",
+	.id	= 0,
+	.dev	= {
+		.platform_data = &ip7500iap_i2c_data,
+	},
+};
+
+/******************************************************************************
+ * Backlight on the board PD0, hardware PWM
+ */
+static struct ubicom32bl_platform_data ip7500iap_backlight_data = {
+	.type			= UBICOM32BL_TYPE_PWM,
+	.pwm_channel		= 2,
+	.pwm_prescale		= 15,
+	.pwm_period		= 60,
+	.default_intensity	= 0x80,
+};
+
+static struct platform_device ip7500iap_backlight_device = {
+	.name	= "ubicom32bl",
+	.id	= -1,
+	.dev	= {
+		.platform_data = &ip7500iap_backlight_data,
+	},
+};
+
+/******************************************************************************
+ * Devices on this board
+ */
+static struct platform_device *ip7500iap_devices[] __initdata = {
+	&ip7500iap_i2c_device,
+	&ip7500iap_backlight_device,
+};
+
+/*
+ * ip7500iap_power_off
+ *	Called to turn the power off for this board
+ */
+static void ip7500iap_power_off(void)
+{
+	gpio_set_value(GPIO_RF_11, 0);
+}
+
+/*
+ * ip7500iap_init
+ *	Called to add the devices which we have on this board
+ */
+static int __init ip7500iap_init(void)
+{
+	struct platform_device *audio_dev;
+	struct platform_device *audio_dev2;
+	int ret;
+
+	board_init();
+
+	ubi_gpio_init();
+
+	/*
+	 * Hold the POWER_HOLD line
+	 */
+	ret = gpio_request(GPIO_RF_11, "POWER_HOLD");
+	if (ret) {
+		printk(KERN_ERR "%s: could not request POWER_HOLD GPIO\n", __FUNCTION__);
+	}
+	gpio_direction_output(GPIO_RF_11, 1);
+	mach_power_off = ip7500iap_power_off;
+
+	/*
+	 * DAC nRESET line
+	 */
+	ret = gpio_request(GPIO_RE_7, "DAC_nRESET");
+	if (ret) {
+		printk(KERN_ERR "%s: could not request DAC_nRESET GPIO\n", __FUNCTION__);
+	}
+	gpio_direction_output(GPIO_RE_7, 0);
+	udelay(1);
+	gpio_set_value(GPIO_RE_7, 1);
+
+	/*
+	 * Bring up any SDIO slots
+	 */
+	ip7500iap_portb_sd_init();
+	ip7500iap_portf_sd_init();
+
+	/*
+	 * Bring up audio devices
+	 */
+	platform_add_devices(ip7500iap_devices, ARRAY_SIZE(ip7500iap_devices));
+
+	audio_dev = audio_device_alloc("snd-ubi32-cs4350", "audio", "audio-i2sout", 0);
+	if (audio_dev) {
+		ip7500iap_i2c_board_info[0].platform_data = audio_dev;
+	}
+
+	audio_dev2 = audio_device_alloc("snd-ubi32-generic", "audio", "audio-spdifout", 0);
+	if (audio_dev2) {
+		platform_device_register(audio_dev2);
+	}
+
+	printk(KERN_INFO "%s: registering i2c resources\n", __FUNCTION__);
+	i2c_register_board_info(0, ip7500iap_i2c_board_info, ARRAY_SIZE(ip7500iap_i2c_board_info));
+
+	printk(KERN_INFO "IP7500 Internet Audio Player\n");
+
+	return 0;
+}
+
+arch_initcall(ip7500iap_init);
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-ip7k/board-ip7500media.c linux-2.6.30.10-ubi/arch/ubicom32/mach-ip7k/board-ip7500media.c
--- linux-2.6.30.10/arch/ubicom32/mach-ip7k/board-ip7500media.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-ip7k/board-ip7500media.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,732 @@
+/*
+ * arch/ubicom32/mach-ip7k/board-ip7500media.c
+ *   Board file for IP7500 media board.
+ *
+ * Supports the following configuration
+ *	CPU Module:
+ *		P/N 8007-0510 rev 1.0 NOPHY
+ *		P/N 8007-0511 rev 1.1 NOPHY
+ *			DIP Switch SW2 configuration:
+ *				POS 1: on  = PCI enabled
+ *				POS 2: off = TTYX => PF12
+ *				POS 3: off = TTYY => PF15
+ *				POS 4: unused
+ *	Media Board:
+ *		P/N 8007-0610 rev 1.0
+ *
+ *	LCD Adapter Board: (optional)
+ *		P/N 8007-0920 rev 2.0
+ *		P/N 8007-0921 rev 2.1
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+
+#include <linux/input.h>
+
+#include <linux/i2c.h>
+#include <linux/i2c-gpio.h>
+#include <linux/i2c/pca953x.h>
+
+#include <asm/board.h>
+#include <asm/machdep.h>
+#include <asm/ubicom32input_i2c.h>
+#include <asm/ubicom32bl.h>
+#include <asm/ubicom32lcdpower.h>
+#include <asm/vdc_tio.h>
+
+#include <asm/ubicom32sd.h>
+#include <asm/sd_tio.h>
+#include <asm/devtree.h>
+#include <asm/audio.h>
+
+#include <asm/ring_tio.h>
+
+/******************************************************************************
+ * SD/IO Port F (Slot 1) platform data
+ */
+static struct resource ip7500media_portf_sd_resources[] = {
+	/*
+	 * Send IRQ
+	 */
+	[0] = {
+		/*
+		 * The init routine will query the devtree and fill this in
+		 */
+		.flags	= IORESOURCE_IRQ,
+	},
+
+	/*
+	 * Receive IRQ
+	 */
+	[1] = {
+		/*
+		 * The init routine will query the devtree and fill this in
+		 */
+		.flags	= IORESOURCE_IRQ,
+	},
+
+	/*
+	 * Memory Mapped Registers
+	 */
+	[2] = {
+		/*
+		 * The init routine will query the devtree and fill this in
+		 */
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct ubicom32sd_card ip7500media_portf_sd_cards[] = {
+	[0] = {
+		.pin_wp		= IP7500MEDIA_IO16,
+		.wp_polarity	= 1,
+		.pin_pwr	= IP7500MEDIA_IO20,
+		.pin_cd		= IP7500MEDIA_IO23,
+	},
+	[1] = {
+		.pin_wp		= IP7500MEDIA_IO17,
+		.wp_polarity	= 1,
+		.pin_pwr	= IP7500MEDIA_IO21,
+		.pin_cd		= IP7500MEDIA_IO24,
+	},
+};
+
+static struct ubicom32sd_platform_data ip7500media_portf_sd_platform_data = {
+	.ncards		= 2,
+	.cards		= ip7500media_portf_sd_cards,
+};
+
+static struct platform_device ip7500media_portf_sd_device = {
+	.name		= "ubicom32sd",
+	.id		= 0,
+	.resource	= ip7500media_portf_sd_resources,
+	.num_resources	= ARRAY_SIZE(ip7500media_portf_sd_resources),
+	.dev		= {
+			.platform_data = &ip7500media_portf_sd_platform_data,
+	},
+
+};
+
+/*
+ * ip7500media_portf_sd_init
+ */
+static void ip7500media_portf_sd_init(void)
+{
+	/*
+	 * Check the device tree for the sd_tio
+	 */
+	struct sd_tio_node *sd_node = (struct sd_tio_node *)devtree_find_node("portf_sd");
+	if (!sd_node) {
+		printk(KERN_INFO "PortF SDTIO not found\n");
+		return;
+	}
+
+	/*
+	 * Fill in the resources and platform data from devtree information
+	 */
+	ip7500media_portf_sd_resources[0].start = sd_node->dn.sendirq;
+	ip7500media_portf_sd_resources[1].start = sd_node->dn.recvirq;
+	ip7500media_portf_sd_resources[2].start = (u32_t)&(sd_node->regs);
+	ip7500media_portf_sd_resources[2].end = (u32_t)&(sd_node->regs) + sizeof(sd_node->regs);
+
+	platform_device_register(&ip7500media_portf_sd_device);
+}
+
+/******************************************************************************
+ * SD/IO Port B (Slot 2) platform data
+ */
+static struct resource ip7500media_portb_sd_resources[] = {
+	/*
+	 * Send IRQ
+	 */
+	[0] = {
+		/*
+		 * The init routine will query the devtree and fill this in
+		 */
+		.flags	= IORESOURCE_IRQ,
+	},
+
+	/*
+	 * Receive IRQ
+	 */
+	[1] = {
+		/*
+		 * The init routine will query the devtree and fill this in
+		 */
+		.flags	= IORESOURCE_IRQ,
+	},
+
+	/*
+	 * Memory Mapped Registers
+	 */
+	[2] = {
+		/*
+		 * The init routine will query the devtree and fill this in
+		 */
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct ubicom32sd_card ip7500media_portb_sd_cards[] = {
+	[0] = {
+		.pin_wp		= IP7500MEDIA_IO19,
+		.wp_polarity	= 1,
+		.pin_pwr	= IP7500MEDIA_IO22,
+		.pin_cd		= IP7500MEDIA_IO18,
+	},
+};
+
+static struct ubicom32sd_platform_data ip7500media_portb_sd_platform_data = {
+	.ncards		= 1,
+	.cards		= ip7500media_portb_sd_cards,
+};
+
+static struct platform_device ip7500media_portb_sd_device = {
+	.name		= "ubicom32sd",
+	.id		= 1,
+	.resource	= ip7500media_portb_sd_resources,
+	.num_resources	= ARRAY_SIZE(ip7500media_portb_sd_resources),
+	.dev		= {
+			.platform_data = &ip7500media_portb_sd_platform_data,
+	},
+
+};
+
+/*
+ * ip7500media_portb_sd_init
+ */
+static void ip7500media_portb_sd_init(void)
+{
+	/*
+	 * Check the device tree for the sd_tio
+	 */
+	struct sd_tio_node *sd_node = (struct sd_tio_node *)devtree_find_node("portb_sd");
+	if (!sd_node) {
+		printk(KERN_INFO "PortB SDTIO not found\n");
+		return;
+	}
+
+	/*
+	 * Fill in the resources and platform data from devtree information
+	 */
+	ip7500media_portb_sd_resources[0].start = sd_node->dn.sendirq;
+	ip7500media_portb_sd_resources[1].start = sd_node->dn.recvirq;
+	ip7500media_portb_sd_resources[2].start = (u32_t)&(sd_node->regs);
+	ip7500media_portb_sd_resources[2].end = (u32_t)&(sd_node->regs) + sizeof(sd_node->regs);
+
+	platform_device_register(&ip7500media_portb_sd_device);
+}
+
+/*
+ * ip7500media_u17_setup
+ *	Called by I2C to tell us that u17 is setup.
+ *
+ * This function is called by I2C to tell us that u17 has been setup.  All
+ * devices which rely on this chip being initialized (or even present) need to
+ * be initialized in this function otherwise they may get initialized too early.
+ *
+ * Currently the only device depending on u17 is the SDIO
+ */
+static int __init ip7500media_u17_setup(struct i2c_client *client, unsigned gpio, unsigned ngpio, void *context)
+{
+	/*
+	 * Initialize the Port F/Port B SD slots (only the enabled ports will init)
+	 */
+	ip7500media_portf_sd_init();
+	ip7500media_portb_sd_init();
+
+	return 0;
+}
+
+/******************************************************************************
+ * LCD VGH on the board at PE6
+ */
+static struct ubicom32lcdpower_platform_data ip7500media_lcdpower_data = {
+	.vgh_gpio		= GPIO_RE_7,
+	.vgh_polarity		= true,
+};
+
+static struct platform_device ip7500media_lcdpower_device = {
+	.name	= "ubicom32lcdpower",
+	.id	= -1,
+	.dev	= {
+		.platform_data = &ip7500media_lcdpower_data,
+	},
+};
+
+/******************************************************************************
+ * Backlight on the board PD0, hardware PWM
+ */
+static struct ubicom32bl_platform_data ip7500media_backlight_data = {
+	.type			= UBICOM32BL_TYPE_PWM,
+	.pwm_channel		= 2,
+	.pwm_prescale		= 15,
+	.pwm_period		= 60,
+	.default_intensity	= 0x80,
+};
+
+static struct platform_device ip7500media_backlight_device = {
+	.name	= "ubicom32bl",
+	.id	= -1,
+	.dev	= {
+		.platform_data = &ip7500media_backlight_data,
+	},
+};
+
+/******************************************************************************
+ * Ubicom32Input on I2C, U15 MAX7310, address 0x18, 8 bits
+ */
+static struct ubicom32input_i2c_button ip7500media_ubicom32input_i2c_u15_buttons[] = {
+	{
+		.type		= EV_KEY,
+		.code		= KEY_LEFT,
+		.bit		= 0,
+		.active_low	= 1,
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_RIGHT,
+		.bit		= 1,
+		.active_low	= 1,
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_UP,
+		.bit		= 2,
+		.active_low	= 1,
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_DOWN,
+		.bit		= 3,
+		.active_low	= 1,
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_ENTER,
+		.bit		= 4,
+		.active_low	= 1,
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_MENU,
+		.bit		= 5,
+		.active_low	= 1,
+	},
+	{
+		.type		= EV_KEY,
+		.code		= KEY_ESC,
+		.bit		= 6,
+		.active_low	= 1,
+	},
+};
+
+static struct ubicom32input_i2c_platform_data ip7500media_ubicom32input_i2c_u15_platform_data = {
+	.buttons	= ip7500media_ubicom32input_i2c_u15_buttons,
+	.nbuttons	= ARRAY_SIZE(ip7500media_ubicom32input_i2c_u15_buttons),
+	.name		= "Ubicom32 Input I2C U15",
+};
+
+/******************************************************************************
+ * Additional GPIO chips
+ */
+static struct pca953x_platform_data ip7500media_gpio_u16_platform_data = {
+	.gpio_base = IP7500MEDIA_U16_BASE,
+};
+
+static struct pca953x_platform_data ip7500media_gpio_u17_platform_data = {
+	.gpio_base = IP7500MEDIA_U17_BASE,
+	.setup = ip7500media_u17_setup,
+};
+
+static struct pca953x_platform_data ip7500media_gpio_u18_platform_data = {
+	.gpio_base = IP7500MEDIA_U18_BASE,
+};
+
+
+/******************************************************************************
+ * Touch controller present on LCD Adapter board
+ *
+ * Connected via I2C bus, interrupt on PD1
+ */
+#include <linux/i2c/tsc2007.h>
+
+/*
+ * ip7500media_tsc2007_exit_platform_hw
+ */
+static void ip7500media_tsc2007_exit_platform_hw(void)
+{
+	UBICOM32_IO_PORT(RD)->int_mask &= ~(1 << 11);
+	UBICOM32_IO_PORT(RD)->ctl2 &= ~(0x03 << 16);
+	gpio_free(GPIO_RD_1);
+}
+
+/*
+ * ip7500media_tsc2007_init_platform_hw
+ */
+static int ip7500media_tsc2007_init_platform_hw(void)
+{
+	int res = gpio_request(GPIO_RD_1, "TSC2007_IRQ");
+	if (res) {
+		return res;
+	}
+	UBICOM32_IO_PORT(RD)->function = 0;
+	UBICOM32_IO_PORT(RD)->int_mask = (1 << 11);
+	UBICOM32_IO_PORT(RD)->ctl2 &= ~(0x03 << 16);
+	UBICOM32_IO_PORT(RD)->ctl2 |= (0x02 << 16);
+
+	return 0;
+}
+
+/*
+ * ip7500media_tsc2007_clear_penirq
+ */
+static void ip7500media_tsc2007_clear_penirq(void)
+{
+	UBICOM32_IO_PORT(RD)->int_clr = (1 << 11);
+}
+
+/*
+ * ip7500media_tsc2007_get_pendown_state
+ */
+static int ip7500media_tsc2007_get_pendown_state(void)
+{
+	return !gpio_get_value(GPIO_RD_1);
+}
+
+static struct tsc2007_platform_data ip7500media_tsc2007_data = {
+	.model			= 2007,
+	.x_plate_ohms		= 350,
+	.get_pendown_state	= ip7500media_tsc2007_get_pendown_state,
+	.init_platform_hw	= ip7500media_tsc2007_init_platform_hw,
+	.exit_platform_hw	= ip7500media_tsc2007_exit_platform_hw,
+	.clear_penirq		= ip7500media_tsc2007_clear_penirq,
+};
+
+/******************************************************************************
+ * Devices on the I2C bus
+ *
+ * BEWARE of changing the order of things in this array as we depend on
+ * certain things to be in certain places.
+ */
+static struct i2c_board_info __initdata ip7500media_i2c_board_info[] = {
+	/*
+	 * U6, CS4350 DAC, address 0x4B
+	 */
+	{
+		.type		= "cs4350",
+		.addr		= 0x4B,
+	},
+
+	/*
+	 * U14, S35390A RTC, address 0x30
+	 */
+	{
+		.type		= "s35390a",
+		.addr		= 0x30,
+	},
+
+	/*
+	 * U15, MAX7310 IO expander, 8 bits, address 0x18
+	 *	IO0: User I/O (J16-1) (Left)	IO4: User I/O (J16-5) (Enter)
+	 *	IO1: User I/O (J16-2) (Right)	IO5: User I/O (J16-6) (Menu)
+	 *	IO2: User I/O (J16-3) (Up)	IO6: User I/O (J16-7) (Back)
+	 *	IO3: User I/O (J16-4) (Down)	IO7: User I/O (J16-8)
+	 */
+	{
+		.type		= "ubicom32in_max7310",
+		.addr		= 0x18,
+		.platform_data	= &ip7500media_ubicom32input_i2c_u15_platform_data,
+	},
+
+	/*
+	 * U16, MAX7310 IO expander, 8 bits, address 0x1C
+	 *	IO8 : User I/O (J16-9)		IO12: User I/O (J16-17)
+	 *	IO9 : User I/O (J16-10)		IO13: User I/O (J16-18)
+	 *	IO10: User I/O (J16-15)		IO14: User I/O (J16-19)
+	 *	IO11: User I/O (J16-16)		IO15: User I/O (J16-20)
+	 */
+	{
+		.type		= "max7310",
+		.addr		= 0x1C,
+		.platform_data	= &ip7500media_gpio_u16_platform_data,
+	},
+
+	/*
+	 * U17, MAX7310 IO expander, 8 bits, address 0x1A
+	 *	IO16: SDIO1A_WP			IO20: SD1A_PWREN
+	 *	IO17: SDIO1B_WP			IO21: SD1B_PWREN
+	 *	IO18: SDIO2_CD			IO22: SD2_PWREN
+	 *	IO19: SDIO2_WP			IO23: SDIO1A_CD
+	 *
+	 */
+	{
+		.type		= "max7310",
+		.addr		= 0x1A,
+		.platform_data	= &ip7500media_gpio_u17_platform_data,
+	},
+
+	/*
+	 * U18, MAX7310 IOB expander, 8 bits, address 0x1E
+	 *	IO24: SDIO1B_CD			IO28: User I/O TP6
+	 *	IO25: User I/O TP9		IO29: User I/O TP5
+	 *	IO26: User I/O TP8		IO30: User I/O TP4
+	 *	IO27: User I/O TP7		IO31: User I/O TP3
+	 */
+	{
+		.type		= "max7310",
+		.addr		= 0x1E,
+		.platform_data	= &ip7500media_gpio_u18_platform_data,
+	},
+};
+
+/*
+ * Additional I2C devices to add when a LCD adapter board is present
+ */
+static struct i2c_board_info __initdata ip7500media_lcd_adapter_i2c_board_info[] = {
+	{
+		I2C_BOARD_INFO("tsc2007", 0x48),
+		.irq = PORT_OTHER_INT(RD),
+		.platform_data = &ip7500media_tsc2007_data,
+	},
+};
+
+/*
+ * I2C bus on the board, SDA PE4, SCL PE5
+ */
+static struct i2c_gpio_platform_data ip7500media_i2c_data = {
+	.sda_pin		= GPIO_RE_4,
+	.scl_pin		= GPIO_RE_5,
+	.sda_is_open_drain	= 0,
+	.scl_is_open_drain	= 0,
+	.udelay			= 50,
+};
+
+static struct platform_device ip7500media_i2c_device = {
+	.name	= "i2c-gpio",
+	.id	= 0,
+	.dev	= {
+		.platform_data = &ip7500media_i2c_data,
+	},
+};
+
+/*
+ * Virtual Frame Buffer device for use with LCD Adapter
+ */
+static struct platform_device ip7500media_vfb_device = {
+	.name	= "ubicom32vfb",
+	.id	= -1,
+};
+
+/*
+ * vdc_override:
+ *	0: no override (auto-detect)
+ *	1: force vdc usage
+ *	2: force lcd adapter usage
+ */
+static int __initdata vdc_override = 0;
+
+/*
+ * ip7500media_set_forcevdc
+ *	Called when forcevdc is present on the kernel boot line
+ */
+static int __init ip7500media_set_forcevdc(char *str)
+{
+	if (str[0] == '1') {
+		vdc_override = 1;
+	} else {
+		vdc_override = 2;
+	}
+	return 1;
+}
+
+/*
+ * ip7500media_video_init
+ *	Called late to determine what kind of video we have on this board
+ */
+static int __init ip7500media_video_init(void)
+{
+	struct i2c_adapter *adap;
+	struct i2c_msg msg[1];
+	unsigned char *data;
+	unsigned char checksum;
+	int err;
+	int i;
+
+	if (vdc_override == 1) {
+		printk(KERN_INFO "Force VDCTIO mode\n");
+		goto no_adapter;
+	}
+	if (vdc_override == 2) {
+		printk(KERN_INFO "Force LCD Adapter Board mode\n");
+		return 0;
+	}
+
+	/*
+	 * Check to see if there is an EEPROM out there.  If we see an
+	 * EEPROM then we will assume a LCD Adapter Board (8007-092x)
+	 * exists.
+	 */
+	data = kmalloc(256, GFP_KERNEL);
+	if (!data) {
+		printk(KERN_WARNING "%s: Failed to allocate memory\n", __FUNCTION__);
+		return -ENOMEM;
+	}
+
+	adap = i2c_get_adapter(0);
+	if (!adap) {
+		printk(KERN_WARNING "%s: Failed to get i2c adapter\n", __FUNCTION__);
+		kfree(data);
+		return -ENODEV;
+	}
+	data[0] = 0;
+	msg->addr = 0x50;
+	msg->flags = 0;
+	msg->len = 1;
+	msg->buf = data;
+	err = i2c_transfer(adap, msg, 1);
+	if (err < 0) {
+		goto no_adapter;
+	}
+
+	msg->addr = 0x50;
+	msg->flags = I2C_M_RD;
+	msg->len = 256;
+	msg->buf = data;
+	err = i2c_transfer(adap, msg, 1);
+	if (err < 0) {
+		goto no_adapter;
+	}
+
+	i2c_put_adapter(adap);
+
+	/*
+	 * Verify the checksum
+	 */
+	checksum = 0xff;
+	for (i = 0; i < 255; i++) {
+		checksum ^= data[i];
+	}
+	if (checksum != data[255]) {
+		printk(KERN_WARNING "%s: Checksum mismatch\n", __FUNCTION__);
+	}
+
+	kfree(data);
+
+	/*
+	 * Bring up VFB
+	 */
+	platform_device_register(&ip7500media_vfb_device);
+
+	/*
+	 * Add the i2c devices on the LCD Adapter board.  (We have to use i2c_new_device
+	 * since it's late in the boot process.)
+	 */
+	printk(KERN_INFO "%s: registering LCD Adapter board i2c resources\n", __FUNCTION__);
+	for (i = 0; i < ARRAY_SIZE(ip7500media_lcd_adapter_i2c_board_info); i++) {
+		i2c_new_device(adap, &ip7500media_lcd_adapter_i2c_board_info[i]);
+	}
+
+	i2c_put_adapter(adap);
+
+	return 0;
+
+	/*
+	 * No LCD Adapter board, bring up VDC
+	 */
+no_adapter:
+	vdc_tio_init();
+	return 0;
+}
+late_initcall(ip7500media_video_init);
+__setup("forcevdc=", ip7500media_set_forcevdc);
+
+/*
+ * ip7500media_init
+ *	Called to add the devices which we have on this board
+ */
+static int __init ip7500media_init(void)
+{
+	struct platform_device *audio_dev;
+	int have_ethernet = (devtree_find_node("eth_lan") != 0);
+
+	board_init();
+
+	ubi_gpio_init();
+
+#ifdef CONFIG_UIO_UBICOM32RING
+	ring_tio_init("decoder_ring");
+#endif
+
+	/*
+	 * Register all of the devices we have on this board
+	 */
+	printk(KERN_INFO "%s: registering device resources\n", __FUNCTION__);
+	platform_device_register(&ip7500media_i2c_device);
+	platform_device_register(&ip7500media_backlight_device);
+
+	/*
+	 * If ethernet doesn't exist then we can init the lcdpower
+	 */
+	if (!have_ethernet) {
+		platform_device_register(&ip7500media_lcdpower_device);
+	}
+
+	/*
+	 * Allocate the audio drivers.  SPDIF not supported on boards with ethernet.
+	 */
+	audio_dev = audio_device_alloc("snd-ubi32-cs4350", "audio", "audio-i2sout", 0);
+	if (audio_dev) {
+		ip7500media_i2c_board_info[0].platform_data = audio_dev;
+	}
+
+	if (!have_ethernet) {
+		struct platform_device *audio_dev2;
+
+		audio_dev2 = audio_device_alloc("snd-ubi32-generic", "audio", "audio-spdifout", 0);
+		if (audio_dev2) {
+			platform_device_register(audio_dev2);
+		}
+	}
+
+	/*
+	 * Register all of the devices which sit on the I2C bus
+	 */
+	printk(KERN_INFO "%s: registering i2c resources\n", __FUNCTION__);
+	i2c_register_board_info(0, ip7500media_i2c_board_info, ARRAY_SIZE(ip7500media_i2c_board_info));
+
+	/*
+	 * We have to initialize the SDIO after the I2C IOB gets setup.  SDIO is initialized in
+	 * ip7500media_u17_setup
+	 */
+
+	printk("IP7500 Media Board\n");
+
+	return 0;
+}
+
+arch_initcall(ip7500media_init);
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-ip7k/board-ip7500module.c linux-2.6.30.10-ubi/arch/ubicom32/mach-ip7k/board-ip7500module.c
--- linux-2.6.30.10/arch/ubicom32/mach-ip7k/board-ip7500module.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-ip7k/board-ip7500module.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,55 @@
+/*
+ * arch/ubicom32/mach-ip7k/board-ip7500module.c
+ *   Support for IP7500 CPU module board.
+ *
+ * This file supports the IP7500 CPU module board:
+ *	8007-0510  Rev 1.0
+ *	8007-0510A Rev 1.0 (with ethernet)
+ *
+ * DIP Switch SW2 configuration: (*) default
+ *	POS 1: on(*) = PCI enabled, off = PCI disabled
+ *	POS 2: on(*) = TTYX => PA6, off = TTYX => PF12
+ *	POS 3: on(*) = TTYY => PA7, off = TTYY => PF15
+ *	POS 4: unused
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/device.h>
+#include <linux/gpio.h>
+#include <asm/board.h>
+
+/*
+ * ip7500module_init
+ *	Called to add the devices which we have on this board
+ */
+static int __init ip7500module_init(void)
+{
+	board_init();
+
+	ubi_gpio_init();
+
+	return 0;
+}
+
+arch_initcall(ip7500module_init);
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-ip7k/board-ip7500wspkr.c linux-2.6.30.10-ubi/arch/ubicom32/mach-ip7k/board-ip7500wspkr.c
--- linux-2.6.30.10/arch/ubicom32/mach-ip7k/board-ip7500wspkr.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-ip7k/board-ip7500wspkr.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,101 @@
+/*
+ * arch/ubicom32/mach-ip7k/board-ip7500wspkr.c
+ *   Support for IP7500 Wireless Speaker board.
+ *
+ * This file supports the IP7500 Wireless Speaker board:
+ *	8007-1210  Rev 1.0
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+#include <linux/device.h>
+#include <linux/gpio.h>
+#include <asm/board.h>
+
+#include <linux/platform_device.h>
+#include <asm/audio.h>
+#include <linux/i2c.h>
+#include <linux/i2c-gpio.h>
+
+static struct i2c_board_info __initdata ip7500wspkr_i2c_board_info[] = {
+	/*
+	 * U6, CS4350 DAC, address 0x4B
+	 */
+	{
+		.type		= "cs4350",
+		.addr		= 0x4B,
+	},
+};
+
+/*
+ * I2C bus on the board, SDA PE4, SCL PE5
+ */
+static struct i2c_gpio_platform_data ip7500wspkr_i2c_data = {
+	.sda_pin		= GPIO_RD_5,
+	.scl_pin		= GPIO_RD_6,
+	.sda_is_open_drain	= 0,
+	.scl_is_open_drain	= 0,
+	.udelay			= 50,
+};
+
+static struct platform_device ip7500wspkr_i2c_device = {
+	.name	= "i2c-gpio",
+	.id	= 0,
+	.dev	= {
+		.platform_data = &ip7500wspkr_i2c_data,
+	},
+};
+
+static struct platform_device *ip7500wspkr_devices[] __initdata = {
+	&ip7500wspkr_i2c_device,
+};
+
+/*
+ * ip7500wspkr_init
+ *	Called to add the devices which we have on this board
+ */
+static int __init ip7500wspkr_init(void)
+{
+	struct platform_device *audio_dev;
+	struct platform_device *audio_dev2;
+
+	board_init();
+
+	ubi_gpio_init();
+
+	platform_add_devices(ip7500wspkr_devices, ARRAY_SIZE(ip7500wspkr_devices));
+
+	audio_dev = audio_device_alloc("snd-ubi32-cs4350", "audio", "audio-i2sout", 0);
+	if (audio_dev) {
+		ip7500wspkr_i2c_board_info[0].platform_data = audio_dev;
+	}
+
+	audio_dev2 = audio_device_alloc("snd-ubi32-generic", "audio", "audio-spdifout", 0);
+	if (audio_dev2) {
+		platform_device_register(audio_dev2);
+	}
+
+	printk(KERN_INFO "%s: registering i2c resources\n", __FUNCTION__);
+	i2c_register_board_info(0, ip7500wspkr_i2c_board_info, ARRAY_SIZE(ip7500wspkr_i2c_board_info));
+
+	printk(KERN_INFO "IP7500 Wireless Speaker Board\n");
+
+	return 0;
+}
+
+arch_initcall(ip7500wspkr_init);
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-ip7k/Kconfig linux-2.6.30.10-ubi/arch/ubicom32/mach-ip7k/Kconfig
--- linux-2.6.30.10/arch/ubicom32/mach-ip7k/Kconfig	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-ip7k/Kconfig	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,205 @@
+config IP7145DPF
+	bool "IP7145DPF"
+	select UBICOM32_V4
+	select UBICOM_INPUT
+	select UBICOM_INPUT_I2C
+	select RTC_CLASS
+	select RTC_DRV_S35390A
+	select I2C
+	select I2C_GPIO
+	select GPIO_PCA953X
+	select FB
+	select FB_UBICOM32
+	select LCD_CLASS_DEVICE
+	select LCD_UBICOM32POWER
+	select BACKLIGHT_LCD_SUPPORT
+	select BACKLIGHT_CLASS_DEVICE
+	select BACKLIGHT_UBICOM32
+	select SND_UBI32
+	select MMC_UBICOM32
+	select MMC
+	select MMC_BLOCK
+	help
+		IP7145 Digital Picture Frame reference design, supports:
+			8007-0410 v1.0
+
+config IP7160RGW
+	bool "IP7160RGW"
+	select UBICOM32_V4
+	select UBICOM_INPUT
+	select NEW_LEDS
+	select LEDS_CLASS
+	select LEDS_GPIO
+	select SPI
+	select SPI_UBICOM32_GPIO
+	select VLAN_8021Q
+	select UBICOM_SWITCH
+	select UBICOM_SWITCH_BCM539X
+	help
+		Ubicom IP7160 RGW Eval, supports:
+			8007-0110 v1.0
+			8007-0111 v1.1
+			8007-0112 v1.2
+
+config IP7160RGWLCD
+	bool "IP7160RGWLCD"
+	select UBICOM32_V4
+	select UBICOM_INPUT
+	select NEW_LEDS
+	select LEDS_CLASS
+	select LEDS_GPIO
+	select SPI
+	select SPI_UBICOM32_GPIO
+	select VLAN_8021Q
+	select UBICOM_SWITCH
+	select UBICOM_SWITCH_BCM539X
+	select INPUT_TOUCHSCREEN
+	select TOUCHSCREEN_TSC2007
+	select FB
+	select FB_UBICOM32_VIRTUAL
+	select I2C
+	select I2C_GPIO
+	help
+		Ubicom IP7160 RGW Eval, supports:
+			8007-0112 v1.2 + 8007-1410 v1.0
+
+		With Ubicom LCD Adapter
+			8007-0920 v2.0
+			8007-0921 v2.1
+
+
+config IP7160BRINGUP
+	bool "IP7160BRINGUP"
+	select UBICOM32_V4
+	select NEW_LEDS
+	select LEDS_CLASS
+	select LEDS_GPIO
+	help
+		Ubicom IP7160 Bringup, supports:
+			8007-0010 v1.0
+
+config IP7160DPF
+	bool "IP7160DPF"
+	select UBICOM32_V4
+	select I2C
+	select I2C_GPIO
+	select FB
+	select FB_UBICOM32
+	select BACKLIGHT_LCD_SUPPORT
+	select BACKLIGHT_CLASS_DEVICE
+	select SND_UBI32
+	select SND_UBI32_AUDIO_CS4350
+	select UBICOM_HID
+	help
+		IP7160 Digital Picture Frame board, supports:
+			8007-0211 Rev 1.1
+
+config IP7500MODULE
+	bool "IP7500MODULE"
+	select UBICOM32_V4
+	help
+		Ubicom IP7500 CPU Module board, supports:
+			8007-0510  v1.0
+			8007-0510A v1.0
+
+		Please see ip7500module.c for more details.
+
+config IP7500AV
+	bool "IP7500AV"
+	select UBICOM32_V4
+	select I2C
+	select I2C_GPIO
+	select SND_UBI32
+	select SND_UBI32_AUDIO_CS4384
+	select FB
+	select FB_UBICOM32
+	help
+		Ubicom IP7500 Audio Video board, supports:
+			8007-0810  v1.0
+
+		With Ubicom IP7500 CPU Module board:
+			8007-0510  v1.0 -or-
+			8007-0510A v1.0
+
+		Please see ip7500av.c for more details.
+
+config IP7500MEDIA
+	bool "IP7500MEDIA"
+	select UBICOM32_V4
+	select UBICOM_INPUT_I2C
+	select RTC_CLASS
+	select RTC_DRV_S35390A
+	select I2C
+	select I2C_GPIO
+	select GPIO_PCA953X
+	select FB
+	select FB_UBICOM32
+	select FB_UBICOM32_VIRTUAL
+	select FB_UBICOM32_VIRTUAL_NOAUTO
+	select LCD_CLASS_DEVICE
+	select LCD_UBICOM32POWER
+	select BACKLIGHT_LCD_SUPPORT
+	select BACKLIGHT_CLASS_DEVICE
+	select BACKLIGHT_UBICOM32
+	select INPUT_TOUCHSCREEN
+	select TOUCHSCREEN_TSC2007
+	select SOUND
+	select SND
+	select SND_UBI32
+	select SND_UBI32_AUDIO_CS4350
+	select MMC_UBICOM32
+	select MMC
+	select MMC_BLOCK
+	help
+		IP7500 Media Board w/ IP7500 CPU Module board, supports:
+			8007-0610 v1.0 w/ 8007-0510 v1.0
+			8007-0610 v1.0 w/ 8007-0510 v1.0 NOPHY
+			8007-0610 v1.0 w/ 8007-0511 v1.1 NOPHY
+
+		Also supports optional LCD Adapter board:
+			8006-0920 v2.0
+			8006-0921 v2.1
+
+		Please see ip7500media.c for more details.
+
+config IP7500WSPKR
+	bool "IP7500WSPKR"
+	select UBICOM32_V4
+	select I2C
+	select I2C_GPIO
+	select SOUND
+	select SND
+	select SND_UBI32
+	select SND_UBI32_AUDIO_CS4350
+	help
+		IP7500 Wireless Speaker Board, supports:
+			8007-1210 v1.0
+
+		Please see ip7500wspkr.c for more details.
+
+config IP7500IAP
+	bool "IP7500IAP"
+	select UBICOM32_V4
+	select I2C
+	select I2C_GPIO
+	select FB
+	select FB_UBICOM32_VIRTUAL
+	select SOUND
+	select SND
+	select SND_UBI32
+	select SND_UBI32_AUDIO_CS4350
+	select RTC_CLASS
+	select RTC_DRV_S35390A
+	select INPUT_TOUCHSCREEN
+	select TOUCHSCREEN_TSC2007
+	select BACKLIGHT_LCD_SUPPORT
+	select BACKLIGHT_CLASS_DEVICE
+	select BACKLIGHT_UBICOM32
+	help
+		IP7500 Internet Audio Player, supports:
+			8007-1110 v1.0
+
+		Please see ip7500iap.c for more details.
+
+
+		Please see ip7500media.c for more details.
diff -ruN linux-2.6.30.10/arch/ubicom32/mach-ip7k/Makefile linux-2.6.30.10-ubi/arch/ubicom32/mach-ip7k/Makefile
--- linux-2.6.30.10/arch/ubicom32/mach-ip7k/Makefile	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mach-ip7k/Makefile	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,38 @@
+#
+# arch/ubicom32/mach-ip7k/Makefile
+#	Makefile for ip7k based boards.
+#
+# (C) Copyright 2009, Ubicom, Inc.
+#
+# This file is part of the Ubicom32 Linux Kernel Port.
+#
+# The Ubicom32 Linux Kernel Port is free software: you can redistribute
+# it and/or modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation, either version 2 of the
+# License, or (at your option) any later version.
+#
+# The Ubicom32 Linux Kernel Port is distributed in the hope that it
+# will be useful, but WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+# the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with the Ubicom32 Linux Kernel Port.  If not,
+# see <http://www.gnu.org/licenses/>.
+#
+# Ubicom32 implementation derived from (with many thanks):
+#   arch/m68knommu
+#   arch/blackfin
+#   arch/parisc
+#
+
+obj-$(CONFIG_IP7145DPF)		+= board-ip7145dpf.o
+obj-$(CONFIG_IP7160RGW)		+= board-ip7160rgw.o
+obj-$(CONFIG_IP7160RGWLCD)	+= board-ip7160rgw.o
+obj-$(CONFIG_IP7160BRINGUP)	+= board-ip7160bringup.o
+obj-$(CONFIG_IP7160DPF)		+= board-ip7160dpf.o
+obj-$(CONFIG_IP7500MODULE)	+= board-ip7500module.o
+obj-$(CONFIG_IP7500MEDIA)	+= board-ip7500media.o
+obj-$(CONFIG_IP7500AV)		+= board-ip7500av.o
+obj-$(CONFIG_IP7500WSPKR)	+= board-ip7500wspkr.o
+obj-$(CONFIG_IP7500IAP)		+= board-ip7500iap.o
diff -ruN linux-2.6.30.10/arch/ubicom32/Makefile linux-2.6.30.10-ubi/arch/ubicom32/Makefile
--- linux-2.6.30.10/arch/ubicom32/Makefile	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/Makefile	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,104 @@
+#
+# arch/ubicom32/Makefile
+#	<TODO: Replace with short file description>
+#
+# (C) Copyright 2009, Ubicom, Inc.
+#
+# This file is part of the Ubicom32 Linux Kernel Port.
+#
+# The Ubicom32 Linux Kernel Port is free software: you can redistribute
+# it and/or modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation, either version 2 of the
+# License, or (at your option) any later version.
+#
+# The Ubicom32 Linux Kernel Port is distributed in the hope that it
+# will be useful, but WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+# the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with the Ubicom32 Linux Kernel Port.  If not,
+# see <http://www.gnu.org/licenses/>.
+#
+# Ubicom32 implementation derived from (with many thanks):
+#   arch/m68knommu
+#   arch/blackfin
+#   arch/parisc
+#
+
+KBUILD_DEFCONFIG :=
+
+# setup the machine name and machine dependent settings
+machine-$(CONFIG_UBICOM32_V3)	:= ip5k
+machine-$(CONFIG_UBICOM32_V4)	:= ip7k
+MACHINE := $(machine-y)
+export MACHINE
+
+model-$(CONFIG_RAMKERNEL)	:= ram
+model-$(CONFIG_ROMKERNEL)	:= rom
+MODEL := $(model-y)
+export MODEL
+
+CPUCLASS := $(cpuclass-y)
+
+export CPUCLASS
+
+#
+# We want the core kernel built using the fastcall ABI but modules need
+# to be built using the slower calling convention because they could be
+# loaded out of range for fast calls.
+#
+CFLAGS_KERNEL    += -mfastcall
+CFLAGS_MODULE    += -mno-fastcall
+
+#
+# Some CFLAG additions based on specific CPU type.
+#
+cflags-$(CONFIG_UBICOM32_V3)		:= -march=ubicom32v3 -DIP5000
+cflags-$(CONFIG_UBICOM32_V4)		:= -march=ubicom32v4 -DIP7000
+
+ldflags-$(CONFIG_LINKER_RELAXATION)	:= --relax
+LDFLAGS_vmlinux := $(ldflags-y)
+
+GCCLIBDIR := $(dir $(shell $(CC) $(cflags-y) -print-libgcc-file-name))
+GCC_LIBS := $(GCCLIBDIR)/libgcc.a
+
+KBUILD_CFLAGS += $(cflags-y) -ffunction-sections
+KBUILD_AFLAGS += $(cflags-y)
+
+KBUILD_CFLAGS += -D__linux__ -Dlinux
+KBUILD_CFLAGS += -DUTS_SYSNAME=\"uClinux\"
+
+# include any machine specific directory
+ifneq ($(machine-y),)
+core-y += arch/$(ARCH)/mach-$(MACHINE)/
+endif
+
+head-y := arch/$(ARCH)/kernel/head.o
+
+core-y	+= arch/$(ARCH)/kernel/ \
+	   arch/$(ARCH)/mm/ \
+	   arch/$(ARCH)/crypto/ \
+	   arch/$(ARCH)/mach-common/
+
+drivers-$(CONFIG_OPROFILE)	+= arch/ubicom32/oprofile/
+
+libs-y	+= arch/$(ARCH)/lib/
+libs-y	+= $(GCC_LIBS)
+
+archclean:
+
+# make sure developer has selected a valid board
+ifeq ($(CONFIG_NOBOARD),y)
+# $(error have to select a valid board file $(CONFIG_NOBOARD), please run kernel config again)
+_all: config_board_error
+endif
+
+config_board_error:
+	@echo "*************************************************"
+	@echo "You have not selected a proper board."
+	@echo "Please run menuconfig (or config) against your"
+	@echo "kernel and choose your board under Processor"
+	@echo "options"
+	@echo "*************************************************"
+	@exit 1
diff -ruN linux-2.6.30.10/arch/ubicom32/mm/fault.c linux-2.6.30.10-ubi/arch/ubicom32/mm/fault.c
--- linux-2.6.30.10/arch/ubicom32/mm/fault.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mm/fault.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,80 @@
+/*
+ * arch/ubicom32/mm/fault.c
+ *   Ubicom32 architecture page fault implementation.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *  Copyright (C) 1998  D. Jeff Dionne <jeff@lineo.ca>,
+ *  Copyright (C) 2000  Lineo, Inc.  (www.lineo.com)
+ *
+ *  Based on:
+ *
+ *  linux/arch/m68k/mm/fault.c
+ *
+ *  Copyright (C) 1995  Hamish Macdonald
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/module.h>
+#include <linux/mman.h>
+#include <linux/mm.h>
+#include <linux/kernel.h>
+#include <linux/ptrace.h>
+
+#include <asm/system.h>
+#include <asm/pgtable.h>
+
+extern void die_if_kernel(char *, struct pt_regs *, long);
+
+/*
+ * This routine handles page faults.  It determines the problem, and
+ * then passes it off to one of the appropriate routines.
+ *
+ * error_code:
+ *	bit 0 == 0 means no page found, 1 means protection fault
+ *	bit 1 == 0 means read, 1 means write
+ *
+ * If this routine detects a bad access, it returns 1, otherwise it
+ * returns 0.
+ */
+asmlinkage int do_page_fault(struct pt_regs *regs, unsigned long address,
+			      unsigned long error_code)
+{
+#ifdef DEBUG
+	printk (KERN_DEBUG "regs->sr=%#x, regs->pc=%#lx, address=%#lx, %ld\n",
+		regs->sr, regs->pc, address, error_code);
+#endif
+
+	/*
+	 * Oops. The kernel tried to access some bad page. We'll have to
+	 * terminate things with extreme prejudice.
+	 */
+	if ((unsigned long) address < PAGE_SIZE) {
+		printk(KERN_ALERT "Unable to handle kernel NULL pointer dereference");
+	} else
+		printk(KERN_ALERT "Unable to handle kernel access");
+	printk(KERN_ALERT " at virtual address %08lx\n",address);
+	die_if_kernel("Oops", regs, error_code);
+	do_exit(SIGKILL);
+
+	return 1;
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/mm/init.c linux-2.6.30.10-ubi/arch/ubicom32/mm/init.c
--- linux-2.6.30.10/arch/ubicom32/mm/init.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mm/init.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,262 @@
+/*
+ * arch/ubicom32/mm/init.c
+ *   Ubicom32 architecture virtual memory initialization.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *  Copyright (C) 1998  D. Jeff Dionne <jeff@lineo.ca>,
+ *                      Kenneth Albanowski <kjahds@kjahds.com>,
+ *  Copyright (C) 2000  Lineo, Inc.  (www.lineo.com)
+ *
+ *  Based on:
+ *
+ *  linux/arch/m68k/mm/init.c
+ *
+ *  Copyright (C) 1995  Hamish Macdonald
+ *
+ *  JAN/1999 -- hacked to support ColdFire (gerg@snapgear.com)
+ *  DEC/2000 -- linux 2.4 support <davidm@snapgear.com>
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/signal.h>
+#include <linux/sched.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/types.h>
+#include <linux/ptrace.h>
+#include <linux/mman.h>
+#include <linux/mm.h>
+#include <linux/swap.h>
+#include <linux/init.h>
+#include <linux/highmem.h>
+#include <linux/pagemap.h>
+#include <linux/bootmem.h>
+#include <linux/slab.h>
+
+#include <asm/setup.h>
+#include <asm/segment.h>
+#include <asm/page.h>
+#include <asm/pgtable.h>
+#include <asm/system.h>
+#include <asm/machdep.h>
+#include <asm/ocm-alloc.h>
+#include <asm/processor.h>
+
+#undef DEBUG
+
+extern void die_if_kernel(char *,struct pt_regs *,long);
+extern void free_initmem(void);
+
+/*
+ * BAD_PAGE is the page that is used for page faults when linux
+ * is out-of-memory. Older versions of linux just did a
+ * do_exit(), but using this instead means there is less risk
+ * for a process dying in kernel mode, possibly leaving a inode
+ * unused etc..
+ *
+ * BAD_PAGETABLE is the accompanying page-table: it is initialized
+ * to point to BAD_PAGE entries.
+ *
+ * ZERO_PAGE is a special page that is used for zero-initialized
+ * data and COW.
+ */
+static unsigned long empty_bad_page_table;
+
+static unsigned long empty_bad_page;
+
+unsigned long empty_zero_page;
+
+void show_mem(void)
+{
+    unsigned long i;
+    int free = 0, total = 0, reserved = 0, shared = 0;
+    int cached = 0;
+
+    printk(KERN_INFO "\nMem-info:\n");
+    show_free_areas();
+    i = max_mapnr;
+    while (i-- > 0) {
+	total++;
+	if (PageReserved(mem_map+i))
+	    reserved++;
+	else if (PageSwapCache(mem_map+i))
+	    cached++;
+	else if (!page_count(mem_map+i))
+	    free++;
+	else
+	    shared += page_count(mem_map+i) - 1;
+    }
+    printk(KERN_INFO "%d pages of RAM\n",total);
+    printk(KERN_INFO "%d free pages\n",free);
+    printk(KERN_INFO "%d reserved pages\n",reserved);
+    printk(KERN_INFO "%d pages shared\n",shared);
+    printk(KERN_INFO "%d pages swap cached\n",cached);
+}
+
+extern unsigned long memory_start;
+extern unsigned long memory_end;
+extern char __ocm_free_begin;
+extern char __ocm_free_end;
+
+/*
+ * paging_init() continues the virtual memory environment setup which
+ * was begun by the code in arch/head.S.
+ * The parameters are pointers to where to stick the starting and ending
+ * addresses of available kernel virtual memory.
+ */
+void __init paging_init(void)
+{
+	/*
+	 * Make sure start_mem is page aligned, otherwise bootmem and
+	 * page_alloc get different views of the world.
+	 */
+#ifdef DEBUG
+	unsigned long start_mem = PAGE_ALIGN(memory_start);
+#endif
+	unsigned long end_mem   = memory_end & PAGE_MASK;
+
+#ifdef DEBUG
+	printk (KERN_DEBUG "start_mem is %#lx\nvirtual_end is %#lx\n",
+		start_mem, end_mem);
+#endif
+
+	/*
+	 * Initialize the bad page table and bad page to point
+	 * to a couple of allocated pages.
+	 */
+	empty_bad_page_table = (unsigned long)alloc_bootmem_pages(PAGE_SIZE);
+	empty_bad_page = (unsigned long)alloc_bootmem_pages(PAGE_SIZE);
+	empty_zero_page = (unsigned long)alloc_bootmem_pages(PAGE_SIZE);
+	memset((void *)empty_zero_page, 0, PAGE_SIZE);
+
+	/*
+	 * TODO: enable setting up for user memory management interface.
+	 */
+
+#ifdef DEBUG
+	printk (KERN_DEBUG "before free_area_init\n");
+
+	printk (KERN_DEBUG "free_area_init -> start_mem is %#lx\nvirtual_end is %#lx\n",
+		start_mem, end_mem);
+#endif
+
+	{
+		unsigned long zones_size[MAX_NR_ZONES] = {0, };
+#ifdef CONFIG_ZONE_DMA
+		zones_size[ZONE_DMA] = OCMSIZE >> PAGE_SHIFT;
+#endif
+		zones_size[ZONE_NORMAL] = (end_mem - PAGE_OFFSET) >> PAGE_SHIFT;
+#ifdef CONFIG_HIGHMEM
+		zones_size[ZONE_HIGHMEM] = 0;
+#endif
+		free_area_init(zones_size);
+	}
+}
+
+void __init mem_init(void)
+{
+	int codek = 0, datak = 0, initk = 0;
+	unsigned long tmp, ram_start, ram_end, len;
+	extern char _etext, _stext, _sdata, _ebss, __init_begin, __init_end;
+
+	unsigned long start_mem = memory_start; /* DAVIDM - these must start at end of kernel */
+	unsigned long end_mem   = memory_end; /* DAVIDM - this must not include kernel stack at top */
+	processor_dram(&ram_start, &ram_end);
+	len = (ram_end - ram_start) + OCMSIZE;
+#ifdef DEBUG
+	printk(KERN_DEBUG "Mem_init: start=%lx, end=%lx\n", start_mem, end_mem);
+#endif
+
+	end_mem &= PAGE_MASK;
+	high_memory = (void *) end_mem;
+
+	start_mem = PAGE_ALIGN(start_mem);
+	max_mapnr = num_physpages = (((unsigned long) high_memory) - PAGE_OFFSET) >> PAGE_SHIFT;
+
+	/* this will put all memory onto the freelists */
+#ifdef CONFIG_ZONE_DMA
+	{
+		unsigned long ocm_free_begin = (unsigned long)&__ocm_free_begin;
+		unsigned long ocm_free_end = (unsigned long)&__ocm_free_end;
+		unsigned long zone_dma_begin = (ocm_free_begin + PAGE_SIZE - 1) & PAGE_MASK;
+		unsigned long zone_dma_end = ocm_free_end & PAGE_MASK;
+		if (zone_dma_end > zone_dma_begin)
+			free_bootmem(zone_dma_begin, zone_dma_end-zone_dma_begin);
+	}
+#endif
+	totalram_pages = free_all_bootmem();
+
+	codek = (&_etext - &_stext) >> 10;
+	datak = (&_ebss - &_sdata) >> 10;
+	initk = (&__init_begin - &__init_end) >> 10;
+
+	tmp = nr_free_pages() << PAGE_SHIFT;
+	printk(KERN_INFO "Memory available: %luk/%luk RAM, (%dk kernel code, %dk data)\n",
+	       tmp >> 10,
+	       len >> 10,
+	       codek,
+	       datak
+	       );
+
+}
+
+#ifdef CONFIG_BLK_DEV_INITRD
+void free_initrd_mem(unsigned long start, unsigned long end)
+{
+	int pages = 0;
+	for (; start < end; start += PAGE_SIZE) {
+		ClearPageReserved(virt_to_page(start));
+		init_page_count(virt_to_page(start));
+		free_page(start);
+		totalram_pages++;
+		pages++;
+	}
+	printk (KERN_NOTICE "Freeing initrd memory: %dk freed\n", pages);
+}
+#endif
+
+void
+free_initmem()
+{
+#ifdef CONFIG_RAMKERNEL
+	unsigned long addr;
+	extern char __init_begin, __init_end;
+	/*
+	 * The following code should be cool even if these sections
+	 * are not page aligned.
+	 */
+	addr = PAGE_ALIGN((unsigned long)(&__init_begin));
+	/* next to check that the page we free is not a partial page */
+	for (; addr + PAGE_SIZE < (unsigned long)(&__init_end); addr +=PAGE_SIZE) {
+		ClearPageReserved(virt_to_page(addr));
+		init_page_count(virt_to_page(addr));
+		free_page(addr);
+		totalram_pages++;
+	}
+	printk(KERN_NOTICE "Freeing unused kernel memory: %ldk freed (0x%x - 0x%x)\n",
+			(addr - PAGE_ALIGN((long) &__init_begin)) >> 10,
+			(int)(PAGE_ALIGN((unsigned long)(&__init_begin))),
+			(int)(addr - PAGE_SIZE));
+#endif
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/mm/kmap.c linux-2.6.30.10-ubi/arch/ubicom32/mm/kmap.c
--- linux-2.6.30.10/arch/ubicom32/mm/kmap.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mm/kmap.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,79 @@
+/*
+ * arch/ubicom32/mm/kmap.c
+ *   Ubicom32 architecture non-mmu ioremap and friends implementation.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 2000 Lineo, <davidm@snapgear.com>
+ * Copyright (C) 2000-2002 David McCullough <davidm@snapgear.com>
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/module.h>
+#include <linux/mm.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+
+#include <asm/setup.h>
+#include <asm/segment.h>
+#include <asm/page.h>
+#include <asm/pgalloc.h>
+#include <asm/io.h>
+#include <asm/system.h>
+
+#undef DEBUG
+
+/*
+ * Map some physical address range into the kernel address space.
+ */
+void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag)
+{
+	return (void *)physaddr;
+}
+
+/*
+ * Unmap a ioremap()ed region again.
+ */
+void iounmap(void *addr)
+{
+}
+
+/*
+ * __iounmap unmaps nearly everything, so be careful
+ * it doesn't free currently pointer/page tables anymore but it
+ * wans't used anyway and might be added later.
+ */
+void __iounmap(void *addr, unsigned long size)
+{
+}
+
+/*
+ * Set new cache mode for some kernel address space.
+ * The caller must push data for that range itself, if such data may already
+ * be in the cache.
+ */
+void kernel_set_cachemode(void *addr, unsigned long size, int cmode)
+{
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/mm/Makefile linux-2.6.30.10-ubi/arch/ubicom32/mm/Makefile
--- linux-2.6.30.10/arch/ubicom32/mm/Makefile	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mm/Makefile	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,32 @@
+#
+# arch/ubicom32/mm/Makefile
+#	<TODO: Replace with short file description>
+#
+# (C) Copyright 2009, Ubicom, Inc.
+#
+# This file is part of the Ubicom32 Linux Kernel Port.
+#
+# The Ubicom32 Linux Kernel Port is free software: you can redistribute
+# it and/or modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation, either version 2 of the
+# License, or (at your option) any later version.
+#
+# The Ubicom32 Linux Kernel Port is distributed in the hope that it
+# will be useful, but WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+# the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with the Ubicom32 Linux Kernel Port.  If not,
+# see <http://www.gnu.org/licenses/>.
+#
+# Ubicom32 implementation derived from (with many thanks):
+#   arch/m68knommu
+#   arch/blackfin
+#   arch/parisc
+#
+#
+# Makefile for the linux m68knommu specific parts of the memory manager.
+#
+
+obj-y += init.o fault.o memory.o kmap.o ocm-alloc.o
diff -ruN linux-2.6.30.10/arch/ubicom32/mm/memory.c linux-2.6.30.10-ubi/arch/ubicom32/mm/memory.c
--- linux-2.6.30.10/arch/ubicom32/mm/memory.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mm/memory.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,58 @@
+/*
+ * arch/ubicom32/mm/memory.c
+ *   Ubicom32 architecture kernel_map() implementation.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *  Copyright (C) 1998  Kenneth Albanowski <kjahds@kjahds.com>,
+ *  Copyright (C) 1999-2002, Greg Ungerer (gerg@snapgear.com)
+ *
+ *  Based on:
+ *
+ *  linux/arch/m68k/mm/memory.c
+ *
+ *  Copyright (C) 1995  Hamish Macdonald
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/module.h>
+#include <linux/mm.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/types.h>
+#include <linux/slab.h>
+
+#include <asm/segment.h>
+#include <asm/page.h>
+#include <asm/pgtable.h>
+#include <asm/system.h>
+
+/*
+ * Map some physical address range into the kernel address space.
+ * The code is copied and adapted from map_chunk().
+ */
+
+unsigned long kernel_map(unsigned long paddr, unsigned long size,
+			 int nocacheflag, unsigned long *memavailp )
+{
+	return paddr;
+}
diff -ruN linux-2.6.30.10/arch/ubicom32/mm/ocm-alloc.c linux-2.6.30.10-ubi/arch/ubicom32/mm/ocm-alloc.c
--- linux-2.6.30.10/arch/ubicom32/mm/ocm-alloc.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/mm/ocm-alloc.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,487 @@
+/*
+ * arch/ubicom32/mm/ocm-alloc.c
+ *	OCM allocator for Uibcom32 On-Chip memory
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *  Copyright 2004-2008 Analog Devices Inc.
+ *
+ *  Based on:
+ *
+ *  arch/blackfin/mm/sram-alloc.c
+ *
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/miscdevice.h>
+#include <linux/ioport.h>
+#include <linux/fcntl.h>
+#include <linux/init.h>
+#include <linux/poll.h>
+#include <linux/proc_fs.h>
+#include <linux/mutex.h>
+#include <linux/rtc.h>
+#include <asm/ocm-alloc.h>
+
+#if 0
+#define DEBUGP printk
+#else
+#define DEBUGP(fmt, a...)
+#endif
+/*
+ * the data structure for OCM heap pieces
+ */
+struct ocm_piece {
+	void *paddr;
+	int size;
+	pid_t pid;
+	struct ocm_piece *next;
+};
+
+/*
+ * struct ocm_heap
+ */
+struct ocm_heap {
+	struct ocm_piece free_head;
+	struct ocm_piece used_head;
+	struct mutex lock;
+};
+
+static struct ocm_heap ocm_inst_heap;
+int ubi32_ocm_skbuf_max = 21, ubi32_ocm_skbuf, ubi32_ddr_skbuf;
+
+/*
+ * OCM area for storing code
+ */
+extern asmlinkage void *__ocm_free_begin;
+extern asmlinkage void *__ocm_free_end;
+extern asmlinkage void *__ocm_inst_heap_begin;
+extern asmlinkage void *__ocm_inst_heap_end;
+#define OCM_INST_HEAP_BEGIN ((unsigned int)&__ocm_inst_heap_begin)
+#define OCM_INST_HEAP_END ((unsigned int)&__ocm_inst_heap_end)
+#define OCM_INST_HEAP_LENGTH (OCM_INST_HEAP_END - OCM_INST_HEAP_BEGIN)
+
+static struct kmem_cache *ocm_piece_cache;
+
+/*
+ * _ocm_heap_init()
+ */
+static int __init _ocm_heap_init(struct ocm_heap *ocmh,
+				  unsigned int start,
+				  unsigned int size)
+{
+	ocmh->free_head.next = kmem_cache_alloc(ocm_piece_cache, GFP_KERNEL);
+
+	if (!ocmh->free_head.next)
+		return -1;
+
+	ocmh->free_head.next->paddr = (void *)start;
+	ocmh->free_head.next->size = size;
+	ocmh->free_head.next->pid = 0;
+	ocmh->free_head.next->next = 0;
+
+	ocmh->used_head.next = NULL;
+
+	/* mutex initialize */
+	mutex_init(&ocmh->lock);
+
+	return 0;
+}
+
+/*
+ * _ocm_alloc_init()
+ *
+ * starts the ocm heap(s)
+ */
+static int __init _ocm_alloc_init(void)
+{
+	if (OCM_INST_HEAP_LENGTH) {
+		ocm_piece_cache = kmem_cache_create("ocm_piece_cache",
+						    sizeof(struct ocm_piece),
+						    0, SLAB_PANIC, NULL);
+
+		if (_ocm_heap_init(&ocm_inst_heap,
+				   OCM_INST_HEAP_BEGIN,
+				   OCM_INST_HEAP_LENGTH) == 0)
+			printk(KERN_INFO "OCM Instruction Heap %d KB\n",
+			       OCM_INST_HEAP_LENGTH >> 10);
+		else
+			printk(KERN_INFO "Failed to initialize OCM "
+			       "Instruction Heap\n");
+
+	} else
+		printk(KERN_INFO "No space available for OCM "
+		       "Instruction Heap\n");
+
+	return 0;
+}
+pure_initcall(_ocm_alloc_init);
+
+/*
+ * _ocm_alloc()
+ *	generic alloc a block in the ocm heap, if successful
+ *	returns the pointer.
+ */
+static void *_ocm_alloc(size_t size, pid_t pid, struct ocm_heap *ocmheap)
+{
+	struct ocm_piece *pslot, *plast, *pavail;
+	struct ocm_piece *pfree_head = &ocmheap->free_head;
+	struct ocm_piece *pused_head = &ocmheap->used_head;
+
+	if (size <= 0 || !pfree_head || !pused_head)
+		return NULL;
+
+	/* Align the size */
+	size = (size + 3) & ~3;
+
+	pslot = pfree_head->next;
+	plast = pfree_head;
+
+	/*
+	 * search an available piece slot
+	 */
+	while (pslot != NULL && size > pslot->size) {
+		plast = pslot;
+		pslot = pslot->next;
+	}
+
+	if (!pslot)
+		return NULL;
+
+	if (pslot->size == size) {
+		/*
+		 * Unlink this block from the list
+		 */
+		plast->next = pslot->next;
+		pavail = pslot;
+	} else {
+		/*
+		 * Split this block in two.
+		 */
+		pavail = kmem_cache_alloc(ocm_piece_cache, GFP_KERNEL);
+
+		if (!pavail)
+			return NULL;
+
+		pavail->paddr = pslot->paddr;
+		pavail->size = size;
+		pslot->paddr += size;
+		pslot->size -= size;
+	}
+
+	pavail->pid = pid;
+
+	pslot = pused_head->next;
+	plast = pused_head;
+
+	/*
+	 * insert new piece into used piece list !!!
+	 */
+	while (pslot != NULL && pavail->paddr < pslot->paddr) {
+		plast = pslot;
+		pslot = pslot->next;
+	}
+
+	pavail->next = pslot;
+	plast->next = pavail;
+
+	DEBUGP("_ocm_alloc %d bytes at %p from in %p",
+	       size, pavail->paddr, ocmheap);
+
+	return pavail->paddr;
+}
+
+#if 0
+/* Allocate the largest available block.  */
+static void *_ocm_alloc_max(struct ocm_heap *ocmheap,
+			     unsigned long *psize)
+{
+	struct ocm_piece *pfree_head = &ocmheap->free_head;
+	struct ocm_piece *pslot, *pmax;
+
+	pmax = pslot = pfree_head->next;
+
+	/* search an available piece slot */
+	while (pslot != NULL) {
+		if (pslot->size > pmax->size)
+			pmax = pslot;
+		pslot = pslot->next;
+	}
+
+	if (!pmax)
+		return NULL;
+
+	*psize = pmax->size;
+
+	return _ocm_alloc(*psize, ocmheap);
+}
+#endif
+
+/*
+ * _ocm_free()
+ *	generic free a block in the ocm heap, if successful
+ */
+static int _ocm_free(const void *addr,
+		     struct ocm_heap *ocmheap)
+{
+	struct ocm_piece *pslot, *plast, *pavail;
+	struct ocm_piece *pfree_head = &ocmheap->free_head;
+	struct ocm_piece *pused_head = &ocmheap->used_head;
+
+	/* search the relevant memory slot */
+	pslot = pused_head->next;
+	plast = pused_head;
+
+	/* search an available piece slot */
+	while (pslot != NULL && pslot->paddr != addr) {
+		plast = pslot;
+		pslot = pslot->next;
+	}
+
+	if (!pslot) {
+		DEBUGP("_ocm_free %p  not found in %p", addr, ocmheap);
+		return -1;
+	}
+	DEBUGP("_ocm_free %p from in %p", addr, ocmheap);
+
+	plast->next = pslot->next;
+	pavail = pslot;
+	pavail->pid = 0;
+
+	/* insert free pieces back to the free list */
+	pslot = pfree_head->next;
+	plast = pfree_head;
+
+	while (pslot != NULL && addr > pslot->paddr) {
+		plast = pslot;
+		pslot = pslot->next;
+	}
+
+	if (plast != pfree_head &&
+	    plast->paddr + plast->size == pavail->paddr) {
+		plast->size += pavail->size;
+		kmem_cache_free(ocm_piece_cache, pavail);
+	} else {
+		pavail->next = plast->next;
+		plast->next = pavail;
+		plast = pavail;
+	}
+
+	if (pslot && plast->paddr + plast->size == pslot->paddr) {
+		plast->size += pslot->size;
+		plast->next = pslot->next;
+		kmem_cache_free(ocm_piece_cache, pslot);
+	}
+
+	return 0;
+}
+
+/*
+ * ocm_inst_alloc()
+ *
+ *	allocates a block of size in the ocm instrction heap, if
+ *	successful returns address allocated.
+ */
+void *ocm_inst_alloc(size_t size, pid_t pid)
+{
+	void *addr;
+
+	if (!OCM_INST_HEAP_LENGTH)
+		return NULL;
+
+
+	mutex_lock(&ocm_inst_heap.lock);
+
+	addr = _ocm_alloc(size, pid, &ocm_inst_heap);
+
+	mutex_unlock(&ocm_inst_heap.lock);
+
+	return addr;
+}
+EXPORT_SYMBOL(ocm_inst_alloc);
+
+/*
+ * ocm_inst_free()
+ *	free a block in the ocm instrction heap, returns 0 if successful.
+ */
+int ocm_inst_free(const void *addr)
+{
+	int ret;
+
+	if (!OCM_INST_HEAP_LENGTH)
+		return -1;
+
+	mutex_lock(&ocm_inst_heap.lock);
+
+	ret = _ocm_free(addr, &ocm_inst_heap);
+
+	mutex_unlock(&ocm_inst_heap.lock);
+
+	return ret;
+}
+EXPORT_SYMBOL(ocm_inst_free);
+
+/*
+ * ocm_free()
+ *	free a block in one of the ocm heaps, returns 0 if successful.
+ */
+int ocm_free(const void *addr)
+{
+	if (addr >= (void *)OCM_INST_HEAP_BEGIN
+		 && addr < (void *)(OCM_INST_HEAP_END))
+		return ocm_inst_free(addr);
+	else
+		return -1;
+}
+EXPORT_SYMBOL(ocm_free);
+
+
+#ifdef CONFIG_PROC_FS
+/* Need to keep line of output the same.  Currently, that is 46 bytes
+ * (including newline).
+ */
+static int _ocm_proc_read(char *buf, int *len, int count, const char *desc,
+			   struct ocm_heap *ocmheap)
+{
+	struct ocm_piece *pslot;
+	struct ocm_piece *pfree_head = &ocmheap->free_head;
+	struct ocm_piece *pused_head = &ocmheap->used_head;
+
+	/* The format is the following
+	 * --- OCM 123456789012345 Size   PID State     \n
+	 * 12345678-12345678 1234567890 12345 1234567890\n
+	 */
+	int l;
+	l = sprintf(&buf[*len], "--- OCM %-15s Size   PID State     \n",
+		    desc);
+
+	*len += l;
+	count -= l;
+
+	mutex_lock(&ocm_inst_heap.lock);
+
+	/*
+	 * search the relevant memory slot
+	 */
+	pslot = pused_head->next;
+
+	while (pslot != NULL && count > 46) {
+		l = sprintf(&buf[*len], "%p-%p %10i %5i %-10s\n",
+			     pslot->paddr, pslot->paddr + pslot->size,
+			     pslot->size, pslot->pid, "ALLOCATED");
+
+		*len += l;
+		count -= l;
+		pslot = pslot->next;
+	}
+
+	pslot = pfree_head->next;
+
+	while (pslot != NULL && count > 46) {
+		l = sprintf(&buf[*len], "%p-%p %10i %5i %-10s\n",
+			    pslot->paddr, pslot->paddr + pslot->size,
+			    pslot->size, pslot->pid, "FREE");
+
+		*len += l;
+		count -= l;
+		pslot = pslot->next;
+	}
+
+	mutex_unlock(&ocm_inst_heap.lock);
+
+	return 0;
+}
+
+static int ocm_proc_read(char *buf, char **start, off_t offset, int count,
+		int *eof, void *data)
+{
+	int len = 0;
+
+	len = sprintf(&buf[len], "--- OCM SKB usage (max RX buf %d)\n"
+			"(SKB in OCM) %d - (SKB in DDR) %d\n",
+			ubi32_ocm_skbuf_max,
+			ubi32_ocm_skbuf,
+			ubi32_ddr_skbuf);
+
+	len += sprintf(&buf[len], "--- OCM Data Heap       Size\n"
+			"%p-%p %10i\n",
+			((void *)&__ocm_free_begin),
+			((void *)&__ocm_free_end),
+			((unsigned int)&__ocm_free_end) -
+			((unsigned int)&__ocm_free_begin));
+
+	if (_ocm_proc_read(buf, &len, count - len, "Inst Heap",
+			    &ocm_inst_heap))
+		goto not_done;
+	*eof = 1;
+ not_done:
+	return len;
+}
+
+static int ocm_proc_write(struct file *file, const char __user *buffer,
+                           unsigned long count, void *data)
+{
+	int n, v;
+	char in[8];
+
+	if (count > sizeof(in))
+		return -EINVAL;
+
+	if (copy_from_user(in, buffer, count))
+		return -EFAULT;
+	in[count-1] = 0;
+
+	printk(KERN_INFO "OCM skb alloc max = %s\n", in);
+
+	n = 0;
+	v = 0;
+	while ((in[n] >= '0') && (in[n] <= '9')) {
+		v = v * 10 + (int)(in[n] - '0');
+		n++;
+	}
+
+	if (v == 0)
+		return -EINVAL;
+
+	ubi32_ocm_skbuf_max = v;
+	ubi32_ocm_skbuf = ubi32_ddr_skbuf = 0;
+
+	return count;
+}
+
+static int __init sram_proc_init(void)
+{
+	struct proc_dir_entry *ptr;
+	ptr = create_proc_entry("ocm", S_IFREG | S_IRUGO, NULL);
+	if (!ptr) {
+		printk(KERN_WARNING "unable to create /proc/ocm\n");
+		return -1;
+	}
+	ptr->read_proc = ocm_proc_read;
+	ptr->write_proc = ocm_proc_write;
+	return 0;
+}
+late_initcall(sram_proc_init);
+#endif
diff -ruN linux-2.6.30.10/arch/ubicom32/oprofile/ipProf.h linux-2.6.30.10-ubi/arch/ubicom32/oprofile/ipProf.h
--- linux-2.6.30.10/arch/ubicom32/oprofile/ipProf.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/oprofile/ipProf.h	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,39 @@
+#ifndef __IP_PROF_H__
+#define __IP_PROF_H__
+
+/* This number MUST match what is used in the ultra configuration! */
+#define IPPROFILETIO_MAX_SAMPLES	600
+
+/* Move to .h file used in both; avoid special types  */
+struct profile_sample {
+	unsigned int	pc;		/* PC value */
+	unsigned int	parent;		/* a5 contents, to find the caller */
+	unsigned char	cond_codes;	/* for branch prediction */
+	unsigned char	thread;		/* I-blocked, D-blocked,
+					   4-bit thread number */
+	unsigned short	active;		/* which threads are active -
+					   for accurate counting */
+	unsigned short	blocked;	/* which threads are blocked due to
+					   I or D cache misses */
+	unsigned int	latency;	/* CPU clocks since the last message
+					   dispatch in this thread
+					   (thread 0 only for now) */
+};
+
+
+struct profilenode {
+	struct devtree_node dn;
+	volatile unsigned char enabled;	/* Is the tio enabled to
+					   take samples? */
+	volatile unsigned char busy;	/* set when the samples
+					   are being read */
+	volatile unsigned int mask;	/* Threads that change the MT_EN flag */
+	volatile unsigned short rate;	/* What is the sampling rate? */
+	volatile unsigned short head;	/* sample taker puts samples here */
+	volatile unsigned short tail;	/* packet filler takes samples here */
+	volatile unsigned short count;	/* number of valid samples */
+	volatile unsigned short total;	/* Total samples */
+	struct profile_sample samples[IPPROFILETIO_MAX_SAMPLES];
+};
+
+#endif
diff -ruN linux-2.6.30.10/arch/ubicom32/oprofile/Makefile linux-2.6.30.10-ubi/arch/ubicom32/oprofile/Makefile
--- linux-2.6.30.10/arch/ubicom32/oprofile/Makefile	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/oprofile/Makefile	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,37 @@
+#
+# arch/ubicom32/Makefile
+#       Makefile for Oprofile support on Ubicom32
+#
+# (C) Copyright 2009, Ubicom, Inc.
+#
+# This file is part of the Ubicom32 Linux Kernel Port.
+#
+# The Ubicom32 Linux Kernel Port is free software: you can redistribute
+# it and/or modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation, either version 2 of the
+# License, or (at your option) any later version.
+#
+# The Ubicom32 Linux Kernel Port is distributed in the hope that it
+# will be useful, but WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+# the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with the Ubicom32 Linux Kernel Port.  If not,
+# see <http://www.gnu.org/licenses/>.
+#
+# Ubicom32 implementation derived from (with many thanks):
+#   arch/m68knommu
+#   arch/blackfin
+#   arch/parisc
+#
+
+obj-$(CONFIG_OPROFILE) += oprofile.o
+
+DRIVER_OBJS = $(addprefix ../../../drivers/oprofile/, \
+		oprof.o cpu_buffer.o buffer_sync.o \
+		event_buffer.o oprofile_files.o \
+		oprofilefs.o oprofile_stats.o \
+		timer_int.o )
+
+oprofile-y	:= $(DRIVER_OBJS) profile.o
diff -ruN linux-2.6.30.10/arch/ubicom32/oprofile/profile.c linux-2.6.30.10-ubi/arch/ubicom32/oprofile/profile.c
--- linux-2.6.30.10/arch/ubicom32/oprofile/profile.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/arch/ubicom32/oprofile/profile.c	2009-12-11 11:45:11.000000000 +0200
@@ -0,0 +1,221 @@
+/*
+ * arch/ubicom32/oprofile/profile.c
+ *	Oprofile support for arch Ubicom32
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option)
+ * any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it will
+ * be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+/**
+ * @file profile.c
+ *
+ * @remark Copyright 2002 OProfile authors
+ * @remark Read the file COPYING
+ *
+ * @author Hunyue Yau <hy@hy-research.com>
+ */
+
+#include <linux/oprofile.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+
+#include <asm/devtree.h>
+#include <asm/thread.h>
+
+/* For identifying userland vs kernel address */
+#include <asm/stacktrace.h>
+#include "ipProf.h"
+
+/* For communications with the backend */
+static struct profilenode *profile_node;
+
+/* Bitmask containing all Linux threads - as seen by the ROSR reg */
+static unsigned long th_all_mask;
+
+/* Lookup table to translate a hardware thread into a CPU identifier
+ * Table is indexed by the ROSR value which is assumed to be
+ * relatively small (0...15).
+ */
+unsigned int cpu_map[THREAD_ARCHITECTURAL_MAX];
+
+static struct pt_regs regs;
+
+/*
+ * For each sample returned, checked to see if they are relevant to
+ * us. This is necessary as the ubicom32 architecture has other software
+ * running outside of Linux. Only then, put the sample into the relevant
+ * cpu bins.
+ *
+ * To minimize overhead, a global mask with all possible threads of in
+ * interest to us is used as a first check. Then a second mask identifying
+ * the thread is used to obtain an identifier for that "CPU".
+ */
+
+/*
+ * ubicom32_build_cpu_th_mask()
+ *
+ * Build a lookup table for translation between hardware thread
+ * "ROSR" values and Linux CPU ids
+ *
+ * *** This gets executed on all CPUs at once! ***
+ */
+static void ubicom32_build_cpu_th_mask(void *mask)
+{
+	thread_t self = thread_get_self();
+	unsigned long *th_m = mask;
+
+	BUG_ON(self <= 0 || self >= THREAD_ARCHITECTURAL_MAX);
+	cpu_map[self] = smp_processor_id();
+
+	set_bit(self, th_m);
+}
+
+/*
+ * profile_interrupt()
+ *
+ * Process samples returned from the profiler backend. The backend
+ * may return samples that are irrelevant to us or may even return
+ * multiple samples for the same CPU. Note that the sames may be
+ * for ANY cpu. At this time, this is unique and to support this requires
+ * Oprofile to expose an interface to accept the CPU that the same came
+ * frome.
+ */
+static irqreturn_t profile_interrupt(int irq, void *arg)
+{
+	int i, buf_entry;
+	int is_kernel;
+	unsigned int bit_th;
+	unsigned int th;
+
+	if (!(profile_node->enabled) || profile_node->count < 0) {
+		printk(KERN_WARNING
+			"Unexpected interrupt, no samples or not enabled!\n");
+		return IRQ_HANDLED;
+	}
+
+	profile_node->busy = 1;		/* Keep backend out */
+
+	for (i = 0; i < profile_node->count; i++) {
+		buf_entry = profile_node->tail;
+		profile_node->tail++;
+		profile_node->tail %= IPPROFILETIO_MAX_SAMPLES;
+
+		/* Note - the "thread" ID is only the lower 4 bits */
+		th = (0x0f & profile_node->samples[buf_entry].thread);
+		bit_th = (1 << th);
+
+		if ((bit_th & th_all_mask) == 0)
+			continue;
+
+		regs.pc = profile_node->samples[buf_entry].pc;
+
+		is_kernel = ubicom32_is_kernel(regs.pc);
+
+		oprofile_add_ext_sample_cpu(regs.pc, &regs, 0, is_kernel,
+					    cpu_map[th]);
+	}
+	profile_node->count = 0;
+	profile_node->busy = 0;
+
+	return IRQ_HANDLED;
+}
+
+/*
+ * profile_start()
+ *
+ * Notification from oprofile to start the profiler
+ */
+static int profile_start(void)
+{
+	if (!profile_node)
+		return -1;
+
+	profile_node->enabled = 1;
+
+	return 0;
+}
+
+/*
+ * profile_stop()
+ *
+ * Notification from oprofile to stop the profiler
+ */
+static void profile_stop(void)
+{
+	if (profile_node)
+		profile_node->enabled = 0;
+}
+
+/*
+ * oprofile_arch_init()
+ *
+ * Attach to Oprofile after qualify the availability of the backend
+ * profiler support.
+ */
+int __init oprofile_arch_init(struct oprofile_operations *ops)
+{
+	int r = -ENODEV;
+
+	profile_node = (struct profilenode *)devtree_find_node("profiler");
+
+	if (profile_node == NULL) {
+		printk(KERN_WARNING "Cannot find profiler node\n");
+		return r;
+	}
+
+	r = request_irq(profile_node->dn.recvirq, profile_interrupt,
+			IRQF_DISABLED, "profiler", NULL);
+
+	if (r < 0) {
+		profile_node = NULL;
+		printk(KERN_WARNING "Cannot get profiler IRQ\n");
+		return r;
+	}
+
+	ops->start = profile_start;
+	ops->stop = profile_stop;
+	ops->cpu_type = "timer";
+
+	memset(cpu_map, 0, sizeof(cpu_map));
+
+	on_each_cpu(ubicom32_build_cpu_th_mask, &th_all_mask, 1);
+
+	memset(&regs, 0, sizeof(regs));
+
+	return r;
+}
+
+/*
+ * oprofile_arch_exit()
+ *
+ * External call to take outselves out.
+ * Make sure backend is not running.
+ */
+void oprofile_arch_exit(void)
+{
+	BUG_ON(profile_node->enabled);
+}
diff -ruN linux-2.6.30.10/drivers/char/hw_random/Kconfig linux-2.6.30.10-ubi/drivers/char/hw_random/Kconfig
--- linux-2.6.30.10/drivers/char/hw_random/Kconfig	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/char/hw_random/Kconfig	2009-12-11 11:45:13.000000000 +0200
@@ -148,3 +148,16 @@
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called virtio-rng.  If unsure, say N.
+
+config HW_RANDOM_UBICOM32
+	tristate "Ubicom32 HW Random Number Generator support"
+	depends on HW_RANDOM && UBICOM32
+	default HW_RANDOM
+	---help---
+	  This driver provides kernel-side support for the Random Number
+	  Generator hardware found on Ubicom32 processors.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called pasemi-rng.
+
+	  If unsure, say Y.
diff -ruN linux-2.6.30.10/drivers/char/hw_random/Makefile linux-2.6.30.10-ubi/drivers/char/hw_random/Makefile
--- linux-2.6.30.10/drivers/char/hw_random/Makefile	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/char/hw_random/Makefile	2009-12-11 11:45:13.000000000 +0200
@@ -15,3 +15,4 @@
 obj-$(CONFIG_HW_RANDOM_OMAP) += omap-rng.o
 obj-$(CONFIG_HW_RANDOM_PASEMI) += pasemi-rng.o
 obj-$(CONFIG_HW_RANDOM_VIRTIO) += virtio-rng.o
+obj-$(CONFIG_HW_RANDOM_UBICOM32) += ubicom32-rng.o
diff -ruN linux-2.6.30.10/drivers/char/hw_random/ubicom32-rng.c linux-2.6.30.10-ubi/drivers/char/hw_random/ubicom32-rng.c
--- linux-2.6.30.10/drivers/char/hw_random/ubicom32-rng.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/char/hw_random/ubicom32-rng.c	2009-12-11 11:45:13.000000000 +0200
@@ -0,0 +1,105 @@
+/*
+ * drivers/net/ubi32-eth.c
+ *   Ubicom32 hardware random number generator driver.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/hw_random.h>
+#include <linux/delay.h>
+#include <asm/io.h>
+#include <asm/ip5000.h>
+
+#define MODULE_NAME "ubicom32_rng"
+
+static int ubicom32_rng_data_present(struct hwrng *rng, int wait)
+{
+	int data, i;
+
+	for (i = 0; i < 20; i++) {
+		data = *(int *)(TIMER_BASE + TIMER_TRN);
+		if (data || !wait)
+			break;
+		udelay(10);
+	}
+	return data;
+}
+
+static int ubicom32_rng_data_read(struct hwrng *rng, u32 *data)
+{
+	*data = *(int *)(TIMER_BASE + TIMER_TRN);
+	return 4;
+}
+
+static int ubicom32_rng_init(struct hwrng *rng)
+{
+	printk(KERN_INFO "ubicom32 rng init\n");
+	*(int *)(TIMER_BASE + TIMER_TRN_CFG) = TIMER_TRN_CFG_ENABLE_OSC;
+	return 0;
+}
+
+static void ubicom32_rng_cleanup(struct hwrng *rng)
+{
+	printk(KERN_INFO "ubicom32 rng cleanup\n");
+	*(int *)(TIMER_BASE + TIMER_TRN_CFG) = 0;
+}
+
+static struct hwrng ubicom32_rng = {
+	.name		= MODULE_NAME,
+	.init		= ubicom32_rng_init,
+	.cleanup	= ubicom32_rng_cleanup,
+	.data_present	= ubicom32_rng_data_present,
+	.data_read	= ubicom32_rng_data_read,
+	.priv		= 0,
+};
+
+static int __init mod_init(void)
+{
+	int err;
+
+	printk(KERN_INFO "ubicom32 rng started\n");
+	err = hwrng_register(&ubicom32_rng);
+	if (err) {
+		printk(KERN_ERR "ubicom32 rng register failed (%d)\n",
+			err);
+	}
+
+	return err;
+}
+
+static void __exit mod_exit(void)
+{
+	printk(KERN_INFO "ubicom32 rng stopped\n");
+	hwrng_unregister(&ubicom32_rng);
+}
+
+module_init(mod_init);
+module_exit(mod_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Ubicom, Inc.");
+MODULE_DESCRIPTION("H/W rng driver for ubicom32 processor");
+MODULE_VERSION("1:1.0.a");
diff -ruN linux-2.6.30.10/drivers/crypto/Kconfig linux-2.6.30.10-ubi/drivers/crypto/Kconfig
--- linux-2.6.30.10/drivers/crypto/Kconfig	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/crypto/Kconfig	2009-12-11 11:45:13.000000000 +0200
@@ -61,6 +61,40 @@
 	  To compile this driver as a module, choose M here: the module
 	  will be called geode-aes.
 
+config CRYPTO_UBICOM32
+        bool "Ubicom32 Security Module"
+        depends on UBICOM32
+        help
+          This is the ubicom32 hardware acceleration common code.
+
+config CRYPTO_AES_UBICOM32
+        tristate "Ubicom32 AES implementation"
+        depends on CRYPTO_UBICOM32
+        select CRYPTO_ALGAPI
+        help
+          This is the ubicom32 hardware AES implementation.
+
+config CRYPTO_DES_UBICOM32
+        tristate "Ubicom32 DES implementation"
+        depends on CRYPTO_UBICOM32
+        select CRYPTO_ALGAPI
+        help
+          This is the ubicom32 hardware DES and 3DES implementation.
+
+config CRYPTO_SHA1_UBICOM32
+        tristate "Ubicom32 SHA1 implementation"
+        depends on CRYPTO_UBICOM32
+        select CRYPTO_ALGAPI
+        help
+          This is the ubicom32 hardware SHA1 implementation.
+
+config CRYPTO_MD5_UBICOM32
+        tristate "Ubicom32 MD5 implementation"
+        depends on CRYPTO_UBICOM32
+        select CRYPTO_ALGAPI
+        help
+          This is the ubicom32 hardware MD5 implementation.
+
 config ZCRYPT
 	tristate "Support for PCI-attached cryptographic adapters"
 	depends on S390
diff -ruN linux-2.6.30.10/drivers/mmc/host/Kconfig linux-2.6.30.10-ubi/drivers/mmc/host/Kconfig
--- linux-2.6.30.10/drivers/mmc/host/Kconfig	2009-12-14 11:15:33.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/mmc/host/Kconfig	2009-12-14 11:15:31.000000000 +0200
@@ -266,3 +266,10 @@
 	help
 	  This option automatically enables configfs support for gpiommc
 	  if configfs is available.
+
+config MMC_UBICOM32
+	tristate "Ubicom32 MMC/SD host controller"
+	depends on UBICOM32
+	help
+	  This provides support for the SD/MMC hardware found on Ubicom32
+	  IP7K processors
diff -ruN linux-2.6.30.10/drivers/mmc/host/Makefile linux-2.6.30.10-ubi/drivers/mmc/host/Makefile
--- linux-2.6.30.10/drivers/mmc/host/Makefile	2009-12-14 11:37:36.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/mmc/host/Makefile	2009-12-14 11:37:35.000000000 +0200
@@ -30,4 +30,5 @@
 obj-$(CONFIG_MMC_SDRICOH_CS)	+= sdricoh_cs.o
 obj-$(CONFIG_MMC_TMIO)		+= tmio_mmc.o
 obj-$(CONFIG_GPIOMMC)		+= gpiommc.o
+obj-$(CONFIG_MMC_UBICOM32)	+= ubicom32sd.o
 
diff -ruN linux-2.6.30.10/drivers/mmc/host/ubicom32sd.c linux-2.6.30.10-ubi/drivers/mmc/host/ubicom32sd.c
--- linux-2.6.30.10/drivers/mmc/host/ubicom32sd.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/mmc/host/ubicom32sd.c	2009-12-11 11:45:16.000000000 +0200
@@ -0,0 +1,773 @@
+/*
+ * drivers/mmc/host/ubicom32sd.c
+ *	Ubicom32 Secure Digital Host Controller Interface driver
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/scatterlist.h>
+#include <linux/leds.h>
+#include <linux/gpio.h>
+#include <linux/mmc/host.h>
+
+#include <asm/ubicom32sd.h>
+
+#define DRIVER_NAME "ubicom32sd"
+
+#define sd_printk(...)
+//#define sd_printk printk
+
+#define SDTIO_VP_VERSION	3
+
+#define SDTIO_MAX_SG_BLOCKS	16
+
+enum sdtio_commands {
+	SDTIO_COMMAND_NOP,
+	SDTIO_COMMAND_SETUP,
+	SDTIO_COMMAND_SETUP_SDIO,
+	SDTIO_COMMAND_EXECUTE,
+	SDTIO_COMMAND_RESET,
+};
+
+#define SDTIO_COMMAND_SHIFT			24
+#define SDTIO_COMMAND_FLAG_STOP_RSP_CRC		(1 << 10)
+#define SDTIO_COMMAND_FLAG_STOP_RSP_136		(1 << 9)
+#define SDTIO_COMMAND_FLAG_STOP_RSP		(1 << 8)
+#define SDTIO_COMMAND_FLAG_STOP_CMD		(1 << 7)
+#define SDTIO_COMMAND_FLAG_DATA_STREAM		(1 << 6)
+#define SDTIO_COMMAND_FLAG_DATA_RD		(1 << 5)
+#define SDTIO_COMMAND_FLAG_DATA_WR		(1 << 4)
+#define SDTIO_COMMAND_FLAG_CMD_RSP_CRC		(1 << 3)
+#define SDTIO_COMMAND_FLAG_CMD_RSP_136		(1 << 2)
+#define SDTIO_COMMAND_FLAG_CMD_RSP		(1 << 1)
+#define SDTIO_COMMAND_FLAG_CMD			(1 << 0)
+
+/*
+ * SDTIO_COMMAND_SETUP_SDIO
+ */
+#define SDTIO_COMMAND_FLAG_SDIO_INT_EN		(1 << 0)
+
+/*
+ * SDTIO_COMMAND_SETUP
+ *      clock speed in arg
+ */
+#define SDTIO_COMMAND_FLAG_4BIT                 (1 << 3)
+#define SDTIO_COMMAND_FLAG_1BIT                 (1 << 2)
+#define SDTIO_COMMAND_FLAG_SET_CLOCK            (1 << 1)
+#define SDTIO_COMMAND_FLAG_SET_WIDTH            (1 << 0)
+
+#define SDTIO_COMMAND_FLAG_CMD_RSP_MASK		(SDTIO_COMMAND_FLAG_CMD_RSP | SDTIO_COMMAND_FLAG_CMD_RSP_136)
+#define SDTIO_COMMAND_FLAG_STOP_RSP_MASK	(SDTIO_COMMAND_FLAG_STOP_RSP | SDTIO_COMMAND_FLAG_STOP_RSP_136)
+#define SDTIO_COMMAND_FLAG_RSP_MASK		(SDTIO_COMMAND_FLAG_CMD_RSP_MASK | SDTIO_COMMAND_FLAG_STOP_RSP_MASK)
+
+struct sdtio_vp_sg {
+	volatile void		*addr;
+	volatile u32_t		len;
+};
+
+#define SDTIO_VP_INT_STATUS_DONE		(1 << 31)
+#define SDTIO_VP_INT_STATUS_SDIO_INT		(1 << 10)
+#define SDTIO_VP_INT_STATUS_DATA_CRC_ERR	(1 << 9)
+#define SDTIO_VP_INT_STATUS_DATA_PROG_ERR	(1 << 8)
+#define SDTIO_VP_INT_STATUS_DATA_TIMEOUT	(1 << 7)
+#define SDTIO_VP_INT_STATUS_STOP_RSP_CRC	(1 << 6)
+#define SDTIO_VP_INT_STATUS_STOP_RSP_TIMEOUT	(1 << 5)
+#define SDTIO_VP_INT_STATUS_CMD_RSP_CRC		(1 << 4)
+#define SDTIO_VP_INT_STATUS_CMD_RSP_TIMEOUT	(1 << 3)
+#define SDTIO_VP_INT_STATUS_CMD_TIMEOUT		(1 << 2)
+#define SDTIO_VP_INT_STATUS_CARD1_INSERT	(1 << 1)
+#define SDTIO_VP_INT_STATUS_CARD0_INSERT	(1 << 0)
+
+struct sdtio_vp_regs {
+	u32_t				version;
+	u32_t				f_max;
+	u32_t				f_min;
+
+	volatile u32_t			int_status;
+
+	volatile u32_t			command;
+	volatile u32_t			arg;
+
+	volatile u32_t			cmd_opcode;
+	volatile u32_t			cmd_arg;
+	volatile u32_t			cmd_rsp0;
+	volatile u32_t			cmd_rsp1;
+	volatile u32_t			cmd_rsp2;
+	volatile u32_t			cmd_rsp3;
+
+	volatile u32_t			stop_opcode;
+	volatile u32_t			stop_arg;
+	volatile u32_t			stop_rsp0;
+	volatile u32_t			stop_rsp1;
+	volatile u32_t			stop_rsp2;
+	volatile u32_t			stop_rsp3;
+
+	volatile u32_t			data_timeout_ns;
+	volatile u16_t			data_blksz;
+	volatile u16_t			data_blkct;
+	volatile u32_t			data_bytes_transferred;
+	volatile u32_t			sg_len;
+	struct sdtio_vp_sg		sg[SDTIO_MAX_SG_BLOCKS];
+};
+
+struct ubicom32sd_data {
+	const struct ubicom32sd_platform_data	*pdata;
+
+	struct mmc_host				*mmc;
+
+	/*
+	 * Lock used to protect the data structure
+	spinlock_t				lock;
+	 */
+	int	int_en;
+	int	int_pend;
+
+	/*
+	 * Receive and transmit interrupts used for communicating
+	 * with hardware
+	 */
+	int					irq_tx;
+	int					irq_rx;
+
+	/*
+	 * Current outstanding mmc request
+	 */
+	struct mmc_request			*mrq;
+
+	/*
+	 * Hardware registers
+	 */
+	struct sdtio_vp_regs			*regs;
+};
+
+/*****************************************************************************\
+ *                                                                           *
+ * Suspend/resume                                                            *
+ *                                                                           *
+\*****************************************************************************/
+
+#if 0//def CONFIG_PM
+
+int ubicom32sd_suspend_host(struct ubicom32sd_host *host, pm_message_t state)
+{
+	int ret;
+
+	ret = mmc_suspend_host(host->mmc, state);
+	if (ret)
+		return ret;
+
+	free_irq(host->irq, host);
+
+	return 0;
+}
+
+EXPORT_SYMBOL_GPL(ubicom32sd_suspend_host);
+
+int ubicom32sd_resume_host(struct ubicom32sd_host *host)
+{
+	int ret;
+
+	if (host->flags & UBICOM32SD_USE_DMA) {
+		if (host->ops->enable_dma)
+			host->ops->enable_dma(host);
+	}
+
+	ret = request_irq(host->irq, ubicom32sd_irq, IRQF_SHARED,
+			  mmc_hostname(host->mmc), host);
+	if (ret)
+		return ret;
+
+	ubicom32sd_init(host);
+	mmiowb();
+
+	ret = mmc_resume_host(host->mmc);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+EXPORT_SYMBOL_GPL(ubicom32sd_resume_host);
+
+#endif /* CONFIG_PM */
+
+/*
+ * ubicom32sd_send_command_sync
+ */
+static void ubicom32sd_send_command_sync(struct ubicom32sd_data *ud, u32_t command, u32_t arg)
+{
+	ud->regs->command = command;
+	ud->regs->arg = arg;
+	ubicom32_set_interrupt(ud->irq_tx);
+	while (ud->regs->command) {
+		ndelay(100);
+	}
+}
+
+/*
+ * ubicom32sd_send_command
+ */
+static void ubicom32sd_send_command(struct ubicom32sd_data *ud, u32_t command, u32_t arg)
+{
+	ud->regs->command = command;
+	ud->regs->arg = arg;
+	ubicom32_set_interrupt(ud->irq_tx);
+}
+
+/*
+ * ubicom32sd_reset
+ */
+static void ubicom32sd_reset(struct ubicom32sd_data *ud)
+{
+	ubicom32sd_send_command_sync(ud, SDTIO_COMMAND_RESET << SDTIO_COMMAND_SHIFT, 0);
+	ud->regs->int_status = 0;
+}
+
+/*
+ * ubicom32sd_mmc_request
+ */
+static void ubicom32sd_mmc_request(struct mmc_host *mmc, struct mmc_request *mrq)
+{
+	struct ubicom32sd_data *ud = (struct ubicom32sd_data *)mmc_priv(mmc);
+	u32_t command = SDTIO_COMMAND_EXECUTE << SDTIO_COMMAND_SHIFT;
+	int ret = 0;
+
+	WARN(ud->mrq != NULL, "ud->mrq still set to %p\n", ud->mrq);
+	//pr_debug("send cmd %08x arg %08x flags %08x\n", cmd->opcode, cmd->arg, cmd->flags);
+
+	if (mrq->cmd) {
+		struct mmc_command *cmd = mrq->cmd;
+
+		sd_printk("%s:\t\t\tsetup cmd %02d arg %08x flags %08x\n", mmc_hostname(mmc), cmd->opcode, cmd->arg, cmd->flags);
+
+		ud->regs->cmd_opcode = cmd->opcode;
+		ud->regs->cmd_arg = cmd->arg;
+
+		command |= SDTIO_COMMAND_FLAG_CMD;
+
+		if (cmd->flags & MMC_RSP_PRESENT) {
+			command |= SDTIO_COMMAND_FLAG_CMD_RSP;
+		}
+
+		if (cmd->flags & MMC_RSP_136) {
+			command |= SDTIO_COMMAND_FLAG_CMD_RSP_136;
+		}
+
+		if (cmd->flags & MMC_RSP_CRC) {
+			command |= SDTIO_COMMAND_FLAG_CMD_RSP_CRC;
+		}
+	}
+
+	if (mrq->data) {
+		struct mmc_data *data = mrq->data;
+		struct scatterlist *sg = data->sg;
+		int i;
+
+printk("%s:\t\t\tsetup data blksz %d num %d sglen=%d fl=%08x Tns=%u\n", mmc_hostname(mmc), data->blksz, data->blocks, data->sg_len, data->flags, data->timeout_ns);
+
+		sd_printk("%s:\t\t\tsetup data blksz %d num %d sglen=%d fl=%08x Tns=%u\n",
+			  mmc_hostname(mmc), data->blksz, data->blocks, data->sg_len,
+			  data->flags, data->timeout_ns);
+
+		if (data->sg_len > SDTIO_MAX_SG_BLOCKS) {
+			ret = -EINVAL;
+			data->error = -EINVAL;
+			goto fail;
+		}
+
+		ud->regs->data_timeout_ns = data->timeout_ns;
+		ud->regs->data_blksz = data->blksz;
+		ud->regs->data_blkct = data->blocks;
+		ud->regs->sg_len = data->sg_len;
+
+		/*
+		 * Load all of our sg list into the driver sg buffer
+		 */
+		for (i = 0; i < data->sg_len; i++) {
+			sd_printk("%s: sg %d = %p %d\n", mmc_hostname(mmc), i, sg_virt(sg), sg->length);
+			ud->regs->sg[i].addr = sg_virt(sg);
+			ud->regs->sg[i].len = sg->length;
+			if (((u32_t)ud->regs->sg[i].addr & 0x03) || (sg->length & 0x03)) {
+				sd_printk("%s: Need aligned buffers\n", mmc_hostname(mmc));
+				ret = -EINVAL;
+				data->error = -EINVAL;
+				goto fail;
+			}
+			sg++;
+		}
+		if (data->flags & MMC_DATA_READ) {
+			command |= SDTIO_COMMAND_FLAG_DATA_RD;
+		} else if (data->flags & MMC_DATA_WRITE) {
+			command |= SDTIO_COMMAND_FLAG_DATA_WR;
+		} else if (data->flags & MMC_DATA_STREAM) {
+			command |= SDTIO_COMMAND_FLAG_DATA_STREAM;
+		}
+	}
+
+	if (mrq->stop) {
+		struct mmc_command *stop = mrq->stop;
+		sd_printk("%s: \t\t\tsetup stop %02d arg %08x flags %08x\n", mmc_hostname(mmc), stop->opcode, stop->arg, stop->flags);
+
+		ud->regs->stop_opcode = stop->opcode;
+		ud->regs->stop_arg = stop->arg;
+
+		command |= SDTIO_COMMAND_FLAG_STOP_CMD;
+
+		if (stop->flags & MMC_RSP_PRESENT) {
+			command |= SDTIO_COMMAND_FLAG_STOP_RSP;
+		}
+
+		if (stop->flags & MMC_RSP_136) {
+			command |= SDTIO_COMMAND_FLAG_STOP_RSP_136;
+		}
+
+		if (stop->flags & MMC_RSP_CRC) {
+			command |= SDTIO_COMMAND_FLAG_STOP_RSP_CRC;
+		}
+	}
+
+	ud->mrq = mrq;
+
+	sd_printk("%s: Sending command %08x\n", mmc_hostname(mmc), command);
+
+	ubicom32sd_send_command(ud, command, 0);
+
+	return;
+fail:
+	sd_printk("%s: mmcreq ret = %d\n", mmc_hostname(mmc), ret);
+	mrq->cmd->error = ret;
+	mmc_request_done(mmc, mrq);
+}
+
+/*
+ * ubicom32sd_mmc_set_ios
+ */
+static void ubicom32sd_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
+{
+	struct ubicom32sd_data *ud = (struct ubicom32sd_data *)mmc_priv(mmc);
+	u32_t command = SDTIO_COMMAND_SETUP << SDTIO_COMMAND_SHIFT;
+	u32_t arg = 0;
+	sd_printk("%s: ios call bw:%u pm:%u clk:%u\n", mmc_hostname(mmc), 1 << ios->bus_width, ios->power_mode, ios->clock);
+
+	switch (ios->bus_width) {
+	case MMC_BUS_WIDTH_1:
+		command |= SDTIO_COMMAND_FLAG_SET_WIDTH | SDTIO_COMMAND_FLAG_1BIT;
+		break;
+
+	case MMC_BUS_WIDTH_4:
+		command |= SDTIO_COMMAND_FLAG_SET_WIDTH | SDTIO_COMMAND_FLAG_4BIT;
+		break;
+	}
+
+	if (ios->clock) {
+		arg = ios->clock;
+		command |= SDTIO_COMMAND_FLAG_SET_CLOCK;
+	}
+
+	switch (ios->power_mode) {
+
+	/*
+	 * Turn off the SD bus (power + clock)
+	 */
+	case MMC_POWER_OFF:
+		gpio_set_value(ud->pdata->cards[0].pin_pwr, !ud->pdata->cards[0].pwr_polarity);
+		command |= SDTIO_COMMAND_FLAG_SET_CLOCK;
+		break;
+
+	/*
+	 * Turn on the power to the SD bus
+	 */
+	case MMC_POWER_ON:
+		gpio_set_value(ud->pdata->cards[0].pin_pwr, ud->pdata->cards[0].pwr_polarity);
+		break;
+
+	/*
+	 * Turn on the clock to the SD bus
+	 */
+	case MMC_POWER_UP:
+		/*
+		 * Done above
+		 */
+		break;
+	}
+
+	ubicom32sd_send_command_sync(ud, command, arg);
+
+	/*
+	 * Let the power settle down
+	 */
+	udelay(500);
+}
+
+/*
+ * ubicom32sd_mmc_get_cd
+ */
+static int ubicom32sd_mmc_get_cd(struct mmc_host *mmc)
+{
+	struct ubicom32sd_data *ud = (struct ubicom32sd_data *)mmc_priv(mmc);
+	sd_printk("%s: get cd %u %u\n", mmc_hostname(mmc), ud->pdata->cards[0].pin_cd, gpio_get_value(ud->pdata->cards[0].pin_cd));
+
+	return gpio_get_value(ud->pdata->cards[0].pin_cd) ?
+				ud->pdata->cards[0].cd_polarity :
+				!ud->pdata->cards[0].cd_polarity;
+}
+
+/*
+ * ubicom32sd_mmc_get_ro
+ */
+static int ubicom32sd_mmc_get_ro(struct mmc_host *mmc)
+{
+	struct ubicom32sd_data *ud = (struct ubicom32sd_data *)mmc_priv(mmc);
+	sd_printk("%s: get ro %u %u\n", mmc_hostname(mmc), ud->pdata->cards[0].pin_wp, gpio_get_value(ud->pdata->cards[0].pin_wp));
+
+	return gpio_get_value(ud->pdata->cards[0].pin_wp) ?
+				ud->pdata->cards[0].wp_polarity :
+				!ud->pdata->cards[0].wp_polarity;
+}
+
+/*
+ * ubicom32sd_mmc_enable_sdio_irq
+ */
+static void ubicom32sd_mmc_enable_sdio_irq(struct mmc_host *mmc, int enable)
+{
+	struct ubicom32sd_data *ud = (struct ubicom32sd_data *)mmc_priv(mmc);
+
+	ud->int_en = enable;
+	if (enable && ud->int_pend) {
+		ud->int_pend = 0;
+		mmc_signal_sdio_irq(mmc);
+	}
+}
+
+/*
+ * ubicom32sd_interrupt
+ */
+static irqreturn_t ubicom32sd_interrupt(int irq, void *dev)
+{
+	struct mmc_host *mmc = (struct mmc_host *)dev;
+	struct mmc_request *mrq;
+	struct ubicom32sd_data *ud;
+	u32_t int_status;
+
+	if (!mmc) {
+		return IRQ_HANDLED;
+	}
+
+	ud = (struct ubicom32sd_data *)mmc_priv(mmc);
+	if (!ud) {
+		return IRQ_HANDLED;
+	}
+
+	int_status = ud->regs->int_status;
+	ud->regs->int_status &= ~int_status;
+
+	if (int_status & SDTIO_VP_INT_STATUS_SDIO_INT) {
+		if (ud->int_en) {
+			ud->int_pend = 0;
+			mmc_signal_sdio_irq(mmc);
+		} else {
+			ud->int_pend++;
+		}
+	}
+
+	if (!(int_status & SDTIO_VP_INT_STATUS_DONE)) {
+		return IRQ_HANDLED;
+	}
+
+	mrq = ud->mrq;
+	if (!mrq) {
+		sd_printk("%s: Spurious interrupt", mmc_hostname(mmc));
+		return IRQ_HANDLED;
+	}
+	ud->mrq = NULL;
+
+	/*
+	 * SDTIO_VP_INT_DONE
+	 */
+	if (mrq->cmd->flags & MMC_RSP_PRESENT) {
+		struct mmc_command *cmd = mrq->cmd;
+		cmd->error = 0;
+
+		if ((cmd->flags & MMC_RSP_CRC) && (int_status & SDTIO_VP_INT_STATUS_CMD_RSP_CRC)) {
+			cmd->error = -EILSEQ;
+		} else if (int_status & SDTIO_VP_INT_STATUS_CMD_RSP_TIMEOUT) {
+			cmd->error = -ETIMEDOUT;
+			goto done;
+		} else if (cmd->flags & MMC_RSP_136) {
+			cmd->resp[0] = ud->regs->cmd_rsp0;
+			cmd->resp[1] = ud->regs->cmd_rsp1;
+			cmd->resp[2] = ud->regs->cmd_rsp2;
+			cmd->resp[3] = ud->regs->cmd_rsp3;
+		} else {
+			cmd->resp[0] = ud->regs->cmd_rsp0;
+		}
+		sd_printk("%s:\t\t\tResponse %08x %08x %08x %08x err=%d\n", mmc_hostname(mmc), cmd->resp[0], cmd->resp[1], cmd->resp[2], cmd->resp[3], cmd->error);
+	}
+
+	if (mrq->data) {
+		struct mmc_data *data = mrq->data;
+
+		if (int_status & SDTIO_VP_INT_STATUS_DATA_TIMEOUT) {
+			data->error = -ETIMEDOUT;
+			sd_printk("%s:\t\t\tData Timeout\n", mmc_hostname(mmc));
+			goto done;
+		} else if (int_status & SDTIO_VP_INT_STATUS_DATA_CRC_ERR) {
+			data->error = -EILSEQ;
+			sd_printk("%s:\t\t\tData CRC\n", mmc_hostname(mmc));
+			goto done;
+		} else if (int_status & SDTIO_VP_INT_STATUS_DATA_PROG_ERR) {
+			data->error = -EILSEQ;
+			sd_printk("%s:\t\t\tData Program Error\n", mmc_hostname(mmc));
+			goto done;
+		} else {
+			data->error = 0;
+			data->bytes_xfered = ud->regs->data_bytes_transferred;
+		}
+	}
+
+	if (mrq->stop && (mrq->stop->flags & MMC_RSP_PRESENT)) {
+		struct mmc_command *stop = mrq->stop;
+		stop->error = 0;
+
+		if ((stop->flags & MMC_RSP_CRC) && (int_status & SDTIO_VP_INT_STATUS_STOP_RSP_CRC)) {
+			stop->error = -EILSEQ;
+		} else if (int_status & SDTIO_VP_INT_STATUS_STOP_RSP_TIMEOUT) {
+			stop->error = -ETIMEDOUT;
+			goto done;
+		} else if (stop->flags & MMC_RSP_136) {
+			stop->resp[0] = ud->regs->stop_rsp0;
+			stop->resp[1] = ud->regs->stop_rsp1;
+			stop->resp[2] = ud->regs->stop_rsp2;
+			stop->resp[3] = ud->regs->stop_rsp3;
+		} else {
+			stop->resp[0] = ud->regs->stop_rsp0;
+		}
+		sd_printk("%s:\t\t\tStop Response %08x %08x %08x %08x err=%d\n", mmc_hostname(mmc), stop->resp[0], stop->resp[1], stop->resp[2], stop->resp[3], stop->error);
+	}
+
+done:
+	mmc_request_done(mmc, mrq);
+
+	return IRQ_HANDLED;
+}
+
+static struct mmc_host_ops ubicom32sd_ops = {
+	.request		= ubicom32sd_mmc_request,
+	.set_ios		= ubicom32sd_mmc_set_ios,
+	.get_ro			= ubicom32sd_mmc_get_ro,
+	.get_cd			= ubicom32sd_mmc_get_cd,
+	.enable_sdio_irq	= ubicom32sd_mmc_enable_sdio_irq,
+};
+
+/*
+ * ubicom32sd_probe
+ */
+static int __devinit ubicom32sd_probe(struct platform_device *pdev)
+{
+	struct ubicom32sd_platform_data *pdata = (struct ubicom32sd_platform_data *)pdev->dev.platform_data;
+	struct mmc_host *mmc;
+	struct ubicom32sd_data *ud;
+	struct resource *res_regs;
+	struct resource *res_irq_tx;
+	struct resource *res_irq_rx;
+	int ret;
+
+	/*
+	 * Get our resources, regs is the hardware driver base address
+	 * and the tx and rx irqs are used to communicate with the
+	 * hardware driver.
+	 */
+	res_regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	res_irq_tx = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	res_irq_rx = platform_get_resource(pdev, IORESOURCE_IRQ, 1);
+	if (!res_regs || !res_irq_tx || !res_irq_rx) {
+		ret = -EINVAL;
+		goto fail;
+	}
+
+	/*
+	 * Reserve any gpios we need
+	 */
+	ret = gpio_request(pdata->cards[0].pin_wp, "sd-wp");
+	if (ret) {
+		goto fail;
+	}
+	gpio_direction_input(pdata->cards[0].pin_wp);
+
+	ret = gpio_request(pdata->cards[0].pin_cd, "sd-cd");
+	if (ret) {
+		goto fail_cd;
+	}
+	gpio_direction_input(pdata->cards[0].pin_cd);
+
+	/*
+	 * HACK: for the dual port controller on port F, we don't support the second port right now
+	 */
+	if (pdata->ncards > 1) {
+		ret = gpio_request(pdata->cards[1].pin_pwr, "sd-pwr");
+		gpio_direction_output(pdata->cards[1].pin_pwr, !pdata->cards[1].pwr_polarity);
+		gpio_direction_output(pdata->cards[1].pin_pwr, pdata->cards[1].pwr_polarity);
+	}
+
+	ret = gpio_request(pdata->cards[0].pin_pwr, "sd-pwr");
+	if (ret) {
+		goto fail_pwr;
+	}
+	gpio_direction_output(pdata->cards[0].pin_pwr, !pdata->cards[0].pwr_polarity);
+
+	/*
+	 * Allocate the MMC driver, it includes memory for our data.
+	 */
+	mmc = mmc_alloc_host(sizeof(struct ubicom32sd_data), &pdev->dev);
+	if (!mmc) {
+		ret = -ENOMEM;
+		goto fail_mmc;
+	}
+	ud = (struct ubicom32sd_data *)mmc_priv(mmc);
+	ud->mmc = mmc;
+	ud->pdata = pdata;
+	ud->regs = (struct sdtio_vp_regs *)res_regs->start;
+	ud->irq_tx = res_irq_tx->start;
+	ud->irq_rx = res_irq_rx->start;
+	platform_set_drvdata(pdev, mmc);
+
+	ret = request_irq(ud->irq_rx, ubicom32sd_interrupt, IRQF_DISABLED, mmc_hostname(mmc), mmc);
+	if (ret) {
+		goto fail_mmc;
+	}
+
+	/*
+	 * Fill in the mmc structure
+	 */
+	mmc->ops = &ubicom32sd_ops;
+	mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_NEEDS_POLL | MMC_CAP_SDIO_IRQ |
+		    MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED;
+
+	mmc->f_min = ud->regs->f_min;
+	mmc->f_max = ud->regs->f_max;
+	mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
+
+	/*
+	 * Setup some restrictions on transfers
+	 *
+	 * We allow up to SDTIO_MAX_SG_BLOCKS of data to DMA into, there are
+	 * not really any "max_seg_size", "max_req_size", or "max_blk_count"
+	 * restrictions (must be less than U32_MAX though), pick
+	 * something large?!...
+	 *
+	 * The hardware can do up to 4095 bytes per block, since the spec
+	 * only requires 2048, we'll set it to that and not worry about
+	 * potential weird blk lengths.
+	 */
+	mmc->max_hw_segs = SDTIO_MAX_SG_BLOCKS;
+	mmc->max_phys_segs = SDTIO_MAX_SG_BLOCKS;
+	mmc->max_seg_size = 1024 * 1024;
+	mmc->max_req_size = 1024 * 1024;
+	mmc->max_blk_count = 1024;
+
+	mmc->max_blk_size = 2048;
+
+	ubicom32sd_reset(ud);
+
+	/*
+	 * enable interrupts
+	 */
+	ud->int_en = 0;
+	ubicom32sd_send_command_sync(ud, SDTIO_COMMAND_SETUP_SDIO << SDTIO_COMMAND_SHIFT | SDTIO_COMMAND_FLAG_SDIO_INT_EN, 0);
+
+	mmc_add_host(mmc);
+
+	printk(KERN_INFO "%s at %p, irq %d/%d\n", mmc_hostname(mmc),
+			ud->regs, ud->irq_tx, ud->irq_rx);
+	return 0;
+
+fail_mmc:
+	gpio_free(pdata->cards[0].pin_pwr);
+fail_pwr:
+	gpio_free(pdata->cards[0].pin_cd);
+fail_cd:
+	gpio_free(pdata->cards[0].pin_wp);
+fail:
+	return ret;
+}
+
+/*
+ * ubicom32sd_remove
+ */
+static int __devexit ubicom32sd_remove(struct platform_device *pdev)
+{
+	struct mmc_host *mmc = platform_get_drvdata(pdev);
+
+	platform_set_drvdata(pdev, NULL);
+
+	if (mmc) {
+		struct ubicom32sd_data *ud = (struct ubicom32sd_data *)mmc_priv(mmc);
+
+		gpio_free(ud->pdata->cards[0].pin_pwr);
+		gpio_free(ud->pdata->cards[0].pin_cd);
+		gpio_free(ud->pdata->cards[0].pin_wp);
+
+		mmc_remove_host(mmc);
+		mmc_free_host(mmc);
+	}
+
+	/*
+	 * Note that our data is allocated as part of the mmc structure
+	 * so we don't need to free it.
+	 */
+	return 0;
+}
+
+static struct platform_driver ubicom32sd_driver = {
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+	},
+	.probe = ubicom32sd_probe,
+	.remove = __devexit_p(ubicom32sd_remove),
+#if 0
+	.suspend = ubicom32sd_suspend,
+	.resume = ubicom32sd_resume,
+#endif
+};
+
+/*
+ * ubicom32sd_init
+ */
+static int __init ubicom32sd_init(void)
+{
+	return platform_driver_register(&ubicom32sd_driver);
+}
+module_init(ubicom32sd_init);
+
+/*
+ * ubicom32sd_exit
+ */
+static void __exit ubicom32sd_exit(void)
+{
+    platform_driver_unregister(&ubicom32sd_driver);
+}
+module_exit(ubicom32sd_exit);
+
+MODULE_AUTHOR("Patrick Tjin");
+MODULE_DESCRIPTION("Ubicom32 Secure Digital Host Controller Interface driver");
+MODULE_LICENSE("GPL");
diff -ruN linux-2.6.30.10/drivers/mtd/devices/Kconfig linux-2.6.30.10-ubi/drivers/mtd/devices/Kconfig
--- linux-2.6.30.10/drivers/mtd/devices/Kconfig	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/mtd/devices/Kconfig	2009-12-11 11:45:16.000000000 +0200
@@ -104,6 +104,31 @@
 	help
 	  This option enables FAST_READ access supported by ST M25Pxx.
 
+config MTD_UBI32_NAND_SPI_ER
+	tristate "UBI32_NAND SPI-ER support"
+	help
+	  This driver supports the Micron MT29F1G01 SPI-ER NAND flash chip
+	  using the built in flash controller on the Ubicom32 architecture.
+	  Partial page writes are not supported by this driver.
+
+config MTD_NAND_SPI_ER
+	tristate "NAND SPI-ER support"
+	help
+	  This driver supports the Micron MT29F1G01 SPI-ER NAND flash chip
+	  using a generic SPI bus.  Partial page writes are supported
+	  by this driver.
+
+config MTD_UBI32_M25P80
+	tristate "Ubicom processor support for most SPI Flash chips (AT26DF, M25P, W25X, ...)"
+	depends on UBICOM32
+	default y
+	help
+	  This enables access to most modern SPI flash chips, used for
+	  program and data storage.   Series supported include Atmel AT26DF,
+	  Spansion S25SL, SST 25VF, ST M25P, and Winbond W25X.  Other chips
+	  are supported as well.  See the driver source for the current list,
+	  or to add other chips.
+
 config MTD_SLRAM
 	tristate "Uncached system RAM"
 	help
diff -ruN linux-2.6.30.10/drivers/mtd/devices/Makefile linux-2.6.30.10-ubi/drivers/mtd/devices/Makefile
--- linux-2.6.30.10/drivers/mtd/devices/Makefile	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/mtd/devices/Makefile	2009-12-11 11:45:16.000000000 +0200
@@ -16,3 +16,6 @@
 obj-$(CONFIG_MTD_BLOCK2MTD)	+= block2mtd.o
 obj-$(CONFIG_MTD_DATAFLASH)	+= mtd_dataflash.o
 obj-$(CONFIG_MTD_M25P80)	+= m25p80.o
+obj-$(CONFIG_MTD_UBI32_M25P80)	+= ubi32-m25p80.o
+obj-$(CONFIG_MTD_NAND_SPI_ER)	+= nand-spi-er.o
+obj-$(CONFIG_MTD_UBI32_NAND_SPI_ER)	+= ubi32-nand-spi-er.o
diff -ruN linux-2.6.30.10/drivers/mtd/devices/nand-spi-er.c linux-2.6.30.10-ubi/drivers/mtd/devices/nand-spi-er.c
--- linux-2.6.30.10/drivers/mtd/devices/nand-spi-er.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/mtd/devices/nand-spi-er.c	2009-12-11 11:45:16.000000000 +0200
@@ -0,0 +1,1017 @@
+/*
+ * Micron SPI-ER NAND Flash Memory
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+*/
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/mutex.h>
+#include <linux/err.h>
+
+#include <linux/spi/spi.h>
+#include <linux/spi/flash.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+
+#define NAND_SPI_ER_BLOCK_FROM_ROW(row)		(row >> 6)
+
+#define NAND_SPI_ER_STATUS_P_FAIL		(1 << 3)
+#define NAND_SPI_ER_STATUS_E_FAIL		(1 << 2)
+#define NAND_SPI_ER_STATUS_OIP			(1 << 0)
+
+#define NAND_SPI_ER_LAST_ROW_INVALID		0xFFFFFFFF
+#define	NAND_SPI_ER_BAD_BLOCK_MARK_OFFSET	0x08
+
+struct nand_spi_er_device {
+	const char		*name;
+
+	uint8_t			id0;
+	uint8_t			id1;
+
+	unsigned int		blocks;
+	unsigned int		pages_per_block;
+	unsigned int		page_size;
+	unsigned int		write_size;
+	unsigned int		erase_size;
+};
+
+struct nand_spi_er {
+	char				name[24];
+
+	const struct nand_spi_er_device	*device;
+
+	struct mutex			lock;
+	struct spi_device		*spi;
+
+	struct mtd_info			mtd;
+
+	unsigned int			last_row;	/* the last row we fetched */
+
+	/*
+	 * Bad block table (MUST be last in strcuture)
+	 */
+	unsigned long			nbb;
+	unsigned long			bbt[0];
+};
+
+const struct nand_spi_er_device nand_spi_er_devices[] = {
+	{
+		name:			"MT29F1G01ZDC",
+		id0:			0x2C,
+		id1:			0x12,
+		blocks:			1024,
+		pages_per_block:	64,
+		page_size:		2048,
+		write_size:		512,
+		erase_size:		64 * 2048,
+	},
+	{
+		name:			"MT29F1G01ZDC",
+		id0:			0x2C,
+		id1:			0x13,
+		blocks:			1024,
+		pages_per_block:	64,
+		page_size:		2048,
+		write_size:		512,
+		erase_size:		64 * 2048,
+	},
+};
+
+static int read_only = 0;
+module_param(read_only, int, 0);
+MODULE_PARM_DESC(read_only, "Leave device locked");
+
+/*
+ * nand_spi_er_get_feature
+ *	Get Feature register
+ */
+static int nand_spi_er_get_feature(struct nand_spi_er *chip, int reg, uint8_t *data)
+{
+	uint8_t txbuf[2];
+	uint8_t rxbuf[1];
+	int res;
+
+	txbuf[0] = 0x0F;
+	txbuf[1] = reg;
+	res = spi_write_then_read(chip->spi, txbuf, 2, rxbuf, 1);
+	if (res) {
+		DEBUG(MTD_DEBUG_LEVEL1, "%s: failed get feature res=%d\n", chip->name, res);
+		return res;
+	}
+	*data = rxbuf[0];
+	return 0;
+}
+
+/*
+ * nand_spi_er_busywait
+ *	Wait until the chip is not busy
+ */
+static int nand_spi_er_busywait(struct nand_spi_er *chip, uint8_t *data)
+{
+	int i;
+
+	for (i = 0; i < 100; i++) {
+		int res = nand_spi_er_get_feature(chip, 0xC0, data);
+		if (res) {
+			return res;
+		}
+		if (!(*data & NAND_SPI_ER_STATUS_OIP)) {
+			break;
+		}
+	}
+
+	return 0;
+}
+
+/*
+ * nand_spi_er_erase
+ *	Erase a block, parameters must be block aligned
+ */
+static int nand_spi_er_erase(struct mtd_info *mtd, struct erase_info *instr)
+{
+	struct nand_spi_er *chip = mtd->priv;
+	struct spi_device *spi = chip->spi;
+	uint8_t txbuf[4];
+	int res;
+
+	DEBUG(MTD_DEBUG_LEVEL3, "%s: erase addr:%x len:%x\n", chip->name, instr->addr, instr->len);
+
+	if ((instr->addr + instr->len) > mtd->size) {
+		return -EINVAL;
+	}
+
+	if (instr->addr & (chip->device->erase_size - 1)) {
+		DEBUG(MTD_DEBUG_LEVEL1, "%s: erase address is not aligned %x\n", chip->name, instr->addr);
+		return -EINVAL;
+	}
+
+	if (instr->len & (chip->device->erase_size - 1)) {
+		DEBUG(MTD_DEBUG_LEVEL1, "%s: erase len is not aligned %x\n", chip->name, instr->len);
+		return -EINVAL;
+	}
+
+	mutex_lock(&chip->lock);
+	chip->last_row = NAND_SPI_ER_LAST_ROW_INVALID;
+
+	while (instr->len) {
+		uint32_t block = instr->addr >> 17;
+		uint32_t row = block << 6;
+		uint8_t stat;
+		DEBUG(MTD_DEBUG_LEVEL3, "%s: block erase row:%x block:%x addr:%x rem:%x\n", chip->name, row, block, instr->addr, instr->len);
+
+		/*
+		 * Write enable
+		 */
+		txbuf[0] = 0x06;
+		res = spi_write(spi, txbuf, 1);
+		if (res) {
+			DEBUG(MTD_DEBUG_LEVEL1, "%s: failed write enable res=%d\n", chip->name, res);
+			mutex_unlock(&chip->lock);
+			return res;
+		}
+
+		/*
+		 * Test for bad block
+		 */
+		if (test_bit(block, chip->bbt)) {
+			instr->fail_addr = block << 17;
+			instr->state = MTD_ERASE_FAILED;
+			res = -EBADMSG;
+			goto done;
+		}
+
+		/*
+		 * Block erase
+		 */
+		txbuf[0] = 0xD8;
+		txbuf[1] = 0x00;
+		txbuf[2] = row >> 8;
+		txbuf[3] = row & 0xFF;
+		res = spi_write(spi, txbuf, 4);
+		if (res) {
+			DEBUG(MTD_DEBUG_LEVEL1, "%s: failed block erase res=%d\n", chip->name, res);
+			instr->fail_addr = block << 17;
+			instr->state = MTD_ERASE_FAILED;
+			goto done;
+		}
+
+		/*
+		 * Wait
+		 */
+		res = nand_spi_er_busywait(chip, &stat);
+		if (res || (stat & NAND_SPI_ER_STATUS_OIP)) {
+			instr->fail_addr = block << 17;
+			instr->state = MTD_ERASE_FAILED;
+			DEBUG(MTD_DEBUG_LEVEL1, "%s: chip is busy or nonresponsive res=%d stat=%02x\n", chip->name, res, stat);
+			if (res) {
+				goto done;
+			}
+
+			/*
+			 * Chip is stuck?
+			 */
+			res = -EIO;
+			goto done;
+		}
+
+		/*
+		 * Check the status register
+		 */
+		if (stat & NAND_SPI_ER_STATUS_E_FAIL) {
+			DEBUG(MTD_DEBUG_LEVEL1, "%s: E_FAIL signalled (%02x)\n", chip->name, stat);
+			instr->fail_addr = block << 17;
+			instr->state = MTD_ERASE_FAILED;
+			goto done;
+		}
+
+		/*
+		 * Next
+		 */
+		block++;
+		instr->len -= chip->device->erase_size;
+		instr->addr += chip->device->erase_size;
+	}
+
+	instr->state = MTD_ERASE_DONE;
+
+	mutex_unlock(&chip->lock);
+	return 0;
+
+done:
+	/*
+	 * Write disable
+	 */
+	txbuf[0] = 0x04;
+	res = spi_write(spi, txbuf, 1);
+	if (res) {
+		DEBUG(MTD_DEBUG_LEVEL1, "%s: failed write disable res=%d\n", chip->name, res);
+	}
+
+	mutex_unlock(&chip->lock);
+
+	mtd_erase_callback(instr);
+	return 0;
+}
+
+/*
+ * nand_spi_er_read
+ *
+ * return -EUCLEAN: ecc error recovered
+ * return -EBADMSG: ecc error not recovered
+*/
+static int nand_spi_er_read(struct mtd_info *mtd, loff_t from, size_t len,
+			       size_t *retlen, u_char *buf)
+{
+	struct nand_spi_er *chip = mtd->priv;
+	struct spi_device *spi = chip->spi;
+
+	uint32_t row;
+	uint32_t column;
+	int retval = 0;
+
+	*retlen = 0;
+	DEBUG(MTD_DEBUG_LEVEL2, "%s: read block from %llx len %d into %p\n", chip->name, from, len, buf);
+
+	/*
+	 * Zero length reads, nothing to do
+	 */
+	if (len == 0) {
+		return 0;
+	}
+
+	/*
+	 * Reject reads which go over the end of the flash
+	 */
+	if ((from + len) > mtd->size) {
+		return -EINVAL;
+	}
+
+	/*
+	 * Get the row and column address to start at
+	 */
+	row = from >> 11;
+	column = from & 0x7FF;
+	DEBUG(MTD_DEBUG_LEVEL3, "%s: row=%x %d column=%x %d last_row=%x %d\n", chip->name, row, row, column, column, chip->last_row, chip->last_row);
+
+	/*
+	 * Read the data from the chip
+	 */
+	mutex_lock(&chip->lock);
+	while (len) {
+		uint8_t stat;
+		uint8_t txbuf[4];
+		struct spi_message message;
+		struct spi_transfer x[2];
+		int res;
+		size_t toread;
+
+		/*
+		 * Figure out how much to read
+		 *
+		 * If we are reading from the middle of a page then the most we
+		 * can read is to the end of the page
+		 */
+		toread = len;
+		if (toread > (chip->device->page_size - column)) {
+			toread = chip->device->page_size - column;
+		}
+
+		DEBUG(MTD_DEBUG_LEVEL3, "%s: buf=%p toread=%x row=%x column=%x last_row=%x\n", chip->name, buf, toread, row, column, chip->last_row);
+
+		if (chip->last_row != row) {
+			/*
+			 * Check if the block is bad
+			 */
+			if (test_bit(NAND_SPI_ER_BLOCK_FROM_ROW(row), chip->bbt)) {
+				mutex_unlock(&chip->lock);
+				return -EBADMSG;
+			}
+
+			/*
+			 * Load the appropriate page
+			 */
+			txbuf[0] = 0x13;
+			txbuf[1] = 0x00;
+			txbuf[2] = row >> 8;
+			txbuf[3] = row & 0xFF;
+			res = spi_write(spi, txbuf, 4);
+			if (res) {
+				DEBUG(MTD_DEBUG_LEVEL1, "%s: failed page load res=%d\n", chip->name, res);
+				mutex_unlock(&chip->lock);
+				return res;
+			}
+
+			/*
+			 * Wait
+			 */
+			res = nand_spi_er_busywait(chip, &stat);
+			if (res || (stat & NAND_SPI_ER_STATUS_OIP)) {
+				DEBUG(MTD_DEBUG_LEVEL1, "%s: chip is busy or nonresponsive res=%d stat=%02x\n", chip->name, res, stat);
+				if (res) {
+					mutex_unlock(&chip->lock);
+					return res;
+				}
+
+				/*
+				 * Chip is stuck?
+				 */
+				mutex_unlock(&chip->lock);
+				return -EIO;
+			}
+
+			/*
+			 * Check the ECC bits
+			 */
+			stat >>= 4;
+			if (stat == 1) {
+				DEBUG(MTD_DEBUG_LEVEL1, "%s: ECC recovered, row=%x\n", chip->name, row);
+				retval = -EUCLEAN;
+			}
+			if (stat == 2) {
+				DEBUG(MTD_DEBUG_LEVEL0, "%s: failed ECC, row=%x\n", chip->name, row);
+				chip->last_row = NAND_SPI_ER_LAST_ROW_INVALID;
+				mutex_unlock(&chip->lock);
+				return -EBADMSG;
+			}
+
+		}
+
+		chip->last_row = row;
+
+		/*
+		 * Read out the data
+		 */
+		spi_message_init(&message);
+		memset(x, 0, sizeof(x));
+
+		txbuf[0] = 0x03;
+		txbuf[1] = column >> 8;
+		txbuf[2] = column & 0xFF;
+		txbuf[3] = 0;
+		x[0].tx_buf = txbuf;
+		x[0].len = 4;
+		spi_message_add_tail(&x[0], &message);
+
+		x[1].rx_buf = buf;
+		x[1].len = toread;
+		spi_message_add_tail(&x[1], &message);
+
+		res = spi_sync(spi, &message);
+		if (res) {
+			DEBUG(MTD_DEBUG_LEVEL1, "%s: failed data read res=%d\n", chip->name, res);
+			mutex_unlock(&chip->lock);
+			return res;
+		}
+		buf += toread;
+		len -= toread;
+		*retlen += toread;
+
+		/*
+		 * For the next page, increment the row and always start at column 0
+		 */
+		column = 0;
+		row++;
+	}
+
+	mutex_unlock(&chip->lock);
+	return retval;
+}
+
+/*
+ * nand_spi_er_write
+ */
+#define NOT_ALIGNED(x) ((x & (device->write_size - 1)) != 0)
+static int nand_spi_er_write(struct mtd_info *mtd, loff_t to, size_t len,
+				size_t *retlen, const u_char *buf)
+{
+	struct nand_spi_er *chip = mtd->priv;
+	struct spi_device *spi = chip->spi;
+	const struct nand_spi_er_device *device = chip->device;
+	uint32_t row;
+	uint32_t col;
+	uint8_t txbuf[4];
+	int res;
+	size_t towrite;
+
+	DEBUG(MTD_DEBUG_LEVEL2, "%s: write block to %llx len %d from %p\n", chip->name, to, len, buf);
+
+	*retlen = 0;
+
+	/*
+	 * nothing to write
+	 */
+	if (!len) {
+		return 0;
+	}
+
+	/*
+	 * Reject writes which go over the end of the flash
+	 */
+	if ((to + len) > mtd->size) {
+		return -EINVAL;
+	}
+
+	/*
+	 * Check to see if everything is page aligned
+	 */
+	if (NOT_ALIGNED(to) || NOT_ALIGNED(len)) {
+		printk(KERN_NOTICE "nand_spi_er_write: Attempt to write non page aligned data\n");
+		return -EINVAL;
+	}
+
+	mutex_lock(&chip->lock);
+	chip->last_row = NAND_SPI_ER_LAST_ROW_INVALID;
+
+	/*
+	 * If the first write is a partial write then write at most the number of
+	 * bytes to get us page aligned and then the remainder will be
+	 * page aligned.  The last bit may be a partial page as well.
+	 */
+	col = to & (device->page_size - 1);
+	towrite = device->page_size - col;
+	if (towrite > len) {
+		towrite = len;
+	}
+
+	/*
+	 * Write the data
+	 */
+	row = to >> 11;
+	while (len) {
+		struct spi_message message;
+		struct spi_transfer x[2];
+		uint8_t stat;
+
+		DEBUG(MTD_DEBUG_LEVEL3, "%s: write %p to row:%x col:%x len:%x rem:%x\n", chip->name, buf, row, col, towrite, len);
+
+		/*
+		 * Write enable
+		 */
+		txbuf[0] = 0x06;
+		res = spi_write(spi, txbuf, 1);
+		if (res) {
+			DEBUG(MTD_DEBUG_LEVEL1, "%s: failed write enable res=%d\n", chip->name, res);
+			mutex_unlock(&chip->lock);
+			return res;
+		}
+
+		/*
+		 * Write the data into the cache
+		 */
+		spi_message_init(&message);
+		memset(x, 0, sizeof(x));
+		txbuf[0] = 0x02;
+		txbuf[1] = col >> 8;
+		txbuf[2] = col & 0xFF;
+		x[0].tx_buf = txbuf;
+		x[0].len = 3;
+		spi_message_add_tail(&x[0], &message);
+		x[1].tx_buf = buf;
+		x[1].len = towrite;
+		spi_message_add_tail(&x[1], &message);
+		res = spi_sync(spi, &message);
+		if (res) {
+			DEBUG(MTD_DEBUG_LEVEL1, "%s: failed cache write res=%d\n", chip->name, res);
+			goto done;
+		}
+
+		/*
+		 * Program execute
+		 */
+		txbuf[0] = 0x10;
+		txbuf[1] = 0x00;
+		txbuf[2] = row >> 8;
+		txbuf[3] = row & 0xFF;
+		res = spi_write(spi, txbuf, 4);
+		if (res) {
+			DEBUG(MTD_DEBUG_LEVEL1, "%s: failed prog execute res=%d\n", chip->name, res);
+			goto done;
+		}
+
+		/*
+		 * Wait
+		 */
+		res = nand_spi_er_busywait(chip, &stat);
+		if (res || (stat & NAND_SPI_ER_STATUS_OIP)) {
+			DEBUG(MTD_DEBUG_LEVEL1, "%s: chip is busy or nonresponsive res=%d stat=%02x\n", chip->name, res, stat);
+			if (res) {
+				goto done;
+			}
+
+			/*
+			 * Chip is stuck?
+			 */
+			res = -EIO;
+			goto done;
+		}
+
+		if (stat & (1 << 3)) {
+			res = -EBADMSG;
+			goto done;
+		}
+
+		row++;
+		buf += towrite;
+		len -= towrite;
+		*retlen += towrite;
+
+		/*
+		 * At this point, we are always page aligned so start at column 0.
+		 * Note we may not have a full page to write at the end, hence the
+		 * check if towrite > len.
+		 */
+		col = 0;
+		towrite = device->page_size;
+		if (towrite > len) {
+			towrite = len;
+		}
+	}
+
+	mutex_unlock(&chip->lock);
+	return res;
+
+done:
+	/*
+	 * Write disable
+	 */
+	txbuf[0] = 0x04;
+	res = spi_write(spi, txbuf, 1);
+	if (res) {
+		DEBUG(MTD_DEBUG_LEVEL1, "%s: failed write disable res=%d\n", chip->name, res);
+	}
+
+	mutex_unlock(&chip->lock);
+
+	return res;
+}
+
+/*
+ * nand_spi_er_isbad
+ */
+static int nand_spi_er_isbad(struct mtd_info *mtd, loff_t ofs)
+{
+	struct nand_spi_er *chip = mtd->priv;
+	uint32_t block;
+
+	if (ofs & (chip->device->erase_size - 1)) {
+		DEBUG(MTD_DEBUG_LEVEL1, "%s: address not aligned %llx\n", chip->name, ofs);
+		return -EINVAL;
+	}
+
+	block = ofs >> 17;
+
+	return test_bit(block, chip->bbt);
+}
+
+/*
+ * nand_spi_er_markbad
+ */
+static int nand_spi_er_markbad(struct mtd_info *mtd, loff_t ofs)
+{
+	struct nand_spi_er *chip = mtd->priv;
+	struct spi_device *spi = chip->spi;
+	uint32_t block;
+	uint32_t row;
+	uint8_t txbuf[7];
+	int res;
+	uint8_t stat;
+
+	if (ofs & (chip->device->erase_size - 1)) {
+		DEBUG(MTD_DEBUG_LEVEL1, "%s: address not aligned %llx\n", chip->name, ofs);
+		return -EINVAL;
+	}
+
+	block = ofs >> 17;
+
+	/*
+	 * If it's already marked bad, no need to mark it
+	 */
+	if (test_bit(block, chip->bbt)) {
+		return 0;
+	}
+
+	/*
+	 * Mark it in our cache
+	 */
+	__set_bit(block, chip->bbt);
+
+	/*
+	 * Write the user bad block mark.  If it fails, then we really
+	 * can't do anything about it.
+	 */
+	mutex_lock(&chip->lock);
+	chip->last_row = NAND_SPI_ER_LAST_ROW_INVALID;
+
+	/*
+	 * Write enable
+	 */
+	txbuf[0] = 0x06;
+	res = spi_write(spi, txbuf, 1);
+	if (res) {
+		DEBUG(MTD_DEBUG_LEVEL1, "%s: failed write enable res=%d\n", chip->name, res);
+		mutex_unlock(&chip->lock);
+		return res;
+	}
+
+	/*
+	 * Write the mark
+	 */
+	txbuf[0] = 0x84;
+	txbuf[1] = 0x08;
+	txbuf[2] = NAND_SPI_ER_BAD_BLOCK_MARK_OFFSET;
+	txbuf[3] = 0xde;
+	txbuf[4] = 0xad;
+	txbuf[5] = 0xbe;
+	txbuf[6] = 0xef;
+	res = spi_write(spi, txbuf, 7);
+	if (res) {
+		DEBUG(MTD_DEBUG_LEVEL1, "%s: failed write mark res=%d\n", chip->name, res);
+		goto done;
+	}
+
+	/*
+	 * Program execute
+	 */
+	row = ofs >> 11;
+	txbuf[0] = 0x10;
+	txbuf[1] = 0x00;
+	txbuf[2] = row >> 8;
+	txbuf[3] = row & 0xFF;
+	res = spi_write(spi, txbuf, 4);
+	if (res) {
+		DEBUG(MTD_DEBUG_LEVEL1, "%s: failed program execute res=%d\n", chip->name, res);
+		goto done;
+	}
+
+	/*
+	 * Wait
+	 */
+	res = nand_spi_er_busywait(chip, &stat);
+	if (res || (stat & NAND_SPI_ER_STATUS_OIP)) {
+		DEBUG(MTD_DEBUG_LEVEL1, "%s: chip is busy or nonresponsive res=%d stat=%02x\n", chip->name, res, stat);
+		if (res) {
+			goto done;
+		}
+
+		/*
+		 * Chip is stuck?
+		 */
+		res = -EIO;
+		goto done;
+	}
+
+	if (stat & (1 << 3)) {
+		res = -EBADMSG;
+	}
+
+done:
+	/*
+	 * Write disable
+	 */
+	txbuf[0] = 0x04;
+	res = spi_write(spi, txbuf, 1);
+	if (res) {
+		DEBUG(MTD_DEBUG_LEVEL1, "%s: failed write disable res=%d\n", chip->name, res);
+	}
+
+	mutex_unlock(&chip->lock);
+
+	return res;
+}
+
+/*
+ * nand_spi_er_read_bbt
+ */
+static int nand_spi_er_read_bbt(struct nand_spi_er *chip)
+{
+	int j;
+	for (j = 0; j < chip->device->blocks; j++) {
+		uint8_t txbuf[4];
+		uint8_t rxbuf[16];
+		uint32_t bbmark;
+		int res;
+		unsigned short row = j << 6;
+		uint8_t stat;
+
+		/*
+		 * Read Page
+		 */
+		txbuf[0] = 0x13;
+		txbuf[1] = 0x00;
+		txbuf[2] = row >> 8;
+		txbuf[3] = row & 0xFF;
+		res = spi_write(chip->spi, txbuf, 4);
+		if (res) {
+			return res;
+		}
+
+		/*
+		 * Wait
+		 */
+		res = nand_spi_er_busywait(chip, &stat);
+		if (res || (stat & NAND_SPI_ER_STATUS_OIP)) {
+			DEBUG(MTD_DEBUG_LEVEL1, "%s: chip is busy or nonresponsive res=%d stat=%02x\n", chip->name, res, stat);
+			if (res) {
+				return res;
+			}
+
+			/*
+			 * Chip is stuck?
+			 */
+			return -EIO;
+		}
+
+		/*
+		 * Check factory bad block mark
+		 */
+		txbuf[0] = 0x03;
+		txbuf[1] = 0x08;
+		txbuf[2] = 0x00;
+		txbuf[3] = 0x00;
+		res = spi_write_then_read(chip->spi, txbuf, 4, rxbuf, 16);
+		if (res) {
+			return res;
+		}
+		if (rxbuf[0] != 0xFF) {
+			chip->nbb++;
+			__set_bit(j, chip->bbt);
+			continue;
+		}
+
+		memcpy(&bbmark, &rxbuf[8], 4);
+		if (bbmark == 0xdeadbeef) {
+			chip->nbb++;
+			__set_bit(j, chip->bbt);
+		}
+	}
+
+#if defined(CONFIG_MTD_DEBUG) && (MTD_DEBUG_LEVEL3 <= CONFIG_MTD_DEBUG_VERBOSE)
+	printk("%s: Bad Block Table:", chip->name);
+	for (j = 0; j < chip->device->blocks; j++) {
+		if ((j % 64) == 0) {
+			printk("\n%s: block %03x: ", chip->name, j);
+		}
+		printk("%c", test_bit(j, chip->bbt) ? 'X' : '.');
+	}
+	printk("\n%s: Bad Block Numbers: ", chip->name);
+	for (j = 0; j < chip->device->blocks; j++) {
+		if (test_bit(j, chip->bbt)) {
+			printk("%x ", j);
+		}
+	}
+	printk("\n");
+#endif
+
+	return 0;
+}
+
+#ifndef MODULE
+/*
+ * Called at boot time:
+ *
+ * nand_spi_er=read_only
+ *	if read_only specified then do not unlock device
+ */
+static int __init nand_spi_er_setup(char *str)
+{
+	if (str && (strncasecmp(str, "read_only", 9) == 0)) {
+		read_only = 1;
+	}
+	return 0;
+}
+
+__setup("nand_spi_er=", nand_spi_er_setup);
+#endif
+
+/*
+ * nand_spi_er_probe
+ *	Detect and initialize nand_spi_er device.
+ */
+static int __devinit nand_spi_er_probe(struct spi_device *spi)
+{
+	uint8_t txbuf[3];
+	uint8_t rxbuf[2];
+	int i;
+	int res;
+	size_t bbt_bytes;
+	struct nand_spi_er *chip;
+	const struct nand_spi_er_device *device;
+
+	res = spi_setup(spi);
+	if (res) {
+		return res;
+	}
+
+	/*
+	 * Reset
+	 */
+	for (i = 0; i < 2; i++) {
+		txbuf[0] = 0xFF;
+		res = spi_write(spi, txbuf, 1);
+		if (res) {
+			return res;
+		}
+		udelay(250);
+	}
+	udelay(1000);
+
+	/*
+	 * Read ID
+	 */
+	txbuf[0] = 0x9F;
+	txbuf[1] = 0x00;
+	res = spi_write_then_read(spi, txbuf, 2, rxbuf, 2);
+	if (res) {
+		return res;
+	}
+
+	device = nand_spi_er_devices;
+	for (i = 0; i < ARRAY_SIZE(nand_spi_er_devices); i++) {
+		if ((device->id0 == rxbuf[0]) && (device->id1 == rxbuf[1])) {
+			break;
+		}
+		device++;
+	}
+	if (i == ARRAY_SIZE(nand_spi_er_devices)) {
+		return -ENODEV;
+	}
+
+	/*
+	 * Initialize our chip structure
+	 */
+	bbt_bytes = DIV_ROUND_UP(device->blocks, BITS_PER_BYTE);
+	chip = kzalloc(sizeof(struct nand_spi_er) + bbt_bytes, GFP_KERNEL);
+	if (!chip) {
+		return -ENOMEM;
+	}
+	snprintf(chip->name, sizeof(chip->name), "%s.%d.%d", device->name, spi->master->bus_num, spi->chip_select);
+
+	chip->spi = spi;
+	chip->device = device;
+	chip->last_row = NAND_SPI_ER_LAST_ROW_INVALID;
+
+	mutex_init(&chip->lock);
+
+	chip->mtd.type = MTD_NANDFLASH;
+	chip->mtd.flags = MTD_WRITEABLE;
+
+	/*
+	 * #blocks * block size * n blocks
+	 */
+	chip->mtd.size = device->blocks * device->pages_per_block * device->page_size;
+	chip->mtd.erasesize = device->erase_size;
+
+	/*
+	 * 1 page, optionally we can support partial write (512)
+	 */
+	chip->mtd.writesize = device->write_size;
+	chip->mtd.name = device->name;
+	chip->mtd.erase = nand_spi_er_erase;
+	chip->mtd.read = nand_spi_er_read;
+	chip->mtd.write = nand_spi_er_write;
+	chip->mtd.block_isbad = nand_spi_er_isbad;
+	chip->mtd.block_markbad = nand_spi_er_markbad;
+	chip->mtd.priv = chip;
+
+	/*
+	 * Cache the bad block table
+	 */
+	res = nand_spi_er_read_bbt(chip);
+	if (res) {
+		kfree(chip);
+		return res;
+	}
+
+	/*
+	 * Un/lock the chip
+	 */
+	txbuf[0] = 0x1F;
+	txbuf[1] = 0xA0;
+	if (read_only) {
+		txbuf[2] = 0x38;
+	} else {
+		txbuf[2] = 0x00;
+	}
+	res = spi_write(spi, txbuf, 3);
+	if (res) {
+		DEBUG(MTD_DEBUG_LEVEL1, "%s: failed lock operation res=%d\n", chip->name, res);
+		mutex_unlock(&chip->lock);
+		return res;
+	}
+
+	spi_set_drvdata(spi, chip);
+
+	printk(KERN_INFO "%s: added device %s size: %u KBytes %u bad blocks %s\n", spi->dev.bus_id, chip->mtd.name, DIV_ROUND_UP(chip->mtd.size, 1024), chip->nbb, read_only ? "[read only]" : "");
+	return add_mtd_device(&chip->mtd);
+}
+
+/*
+ * nand_spi_er_remove
+ */
+static int __devexit nand_spi_er_remove(struct spi_device *spi)
+{
+	struct nand_spi_er *chip = spi_get_drvdata(spi);
+	int status = 0;
+
+	DEBUG(MTD_DEBUG_LEVEL1, "%s: remove\n", spi->dev.bus_id);
+	status = del_mtd_device(&chip->mtd);
+	if (status == 0)
+		kfree(chip);
+	return status;
+}
+
+static struct spi_driver nand_spi_er_driver = {
+	.driver = {
+		.name		= "nand-spi-er",
+		.bus		= &spi_bus_type,
+		.owner		= THIS_MODULE,
+	},
+
+	.probe		= nand_spi_er_probe,
+	.remove		= __devexit_p(nand_spi_er_remove),
+
+	/* FIXME:  investigate suspend and resume... */
+};
+
+/*
+ * nand_spi_er_init
+ */
+static int __init nand_spi_er_init(void)
+{
+	return spi_register_driver(&nand_spi_er_driver);
+}
+module_init(nand_spi_er_init);
+
+/*
+ * nand_spi_er_exit
+ */
+static void __exit nand_spi_er_exit(void)
+{
+	spi_unregister_driver(&nand_spi_er_driver);
+}
+module_exit(nand_spi_er_exit);
+
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Patrick Tjin");
+MODULE_DESCRIPTION("MTD nand_spi_er driver");
diff -ruN linux-2.6.30.10/drivers/mtd/devices/ubi32-m25p80.c linux-2.6.30.10-ubi/drivers/mtd/devices/ubi32-m25p80.c
--- linux-2.6.30.10/drivers/mtd/devices/ubi32-m25p80.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/mtd/devices/ubi32-m25p80.c	2009-12-11 11:45:16.000000000 +0200
@@ -0,0 +1,1066 @@
+/*
+ * drivers/mtd/devices/ubi32-m25p80.c
+ *   NOR flash driver, Ubicom processor internal SPI flash interface.
+ *
+ *   This code instantiates the serial flash that contains the
+ *   original bootcode.  The serial flash start at address 0x60000000
+ *   in both Ubicom32V3 and Ubicom32V4 ISAs.
+ *
+ *   This piece of flash is made to appear as a Memory Technology
+ *   Device (MTD) with this driver to allow Read/Write/Erase operations.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/types.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/flash.h>
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/mutex.h>
+
+#include <asm/ip5000.h>
+#include <asm/devtree.h>
+
+#define UBICOM32_FLASH_BASE	0x60000000
+#define UBICOM32_FLASH_MAX_SIZE 0x01000000
+#define UBICOM32_FLASH_START	0x00000000
+#define UBICOM32_KERNEL_OFFSET	0x00010000 /* The kernel starts after Ubicom
+					    * .protect section. */
+
+static struct mtd_partition ubicom32_flash_partitions[] = {
+	{
+		.name	= "Bootloader",		/* Protected Section
+						 * Partition */
+		.size	= 0x10000,
+		.offset	= UBICOM32_FLASH_START,
+//		.mask_flags = MTD_WRITEABLE	/* Mark Read-only */
+	},
+	{
+		.name	= "Kernel",		/* Kernel Partition. */
+		.size	= 0,			/* this will be set up during
+						 * probe stage. At that time we
+						 * will know end of linux image
+						 * in flash. */
+		.offset	= MTDPART_OFS_APPEND,	/* Starts right after Protected
+						 * section. */
+//		.mask_flags = MTD_WRITEABLE	/* Mark Read-only */
+	},
+	{
+		.name	= "Rest",		/* Rest of the flash. */
+		.size	= 0x200000,		/* Use up what remains in the
+						 * flash. */
+		.offset	= MTDPART_OFS_NXTBLK,	/* Starts right after Protected
+						 * section. */
+	}
+};
+
+static struct flash_platform_data ubicom32_flash_data = {
+	.name = "ubicom32_boot_flash",
+	.parts = ubicom32_flash_partitions,
+	.nr_parts = ARRAY_SIZE(ubicom32_flash_partitions),
+};
+
+static struct resource ubicom32_flash_resource[] = {
+	{
+		.start	= UBICOM32_FLASH_BASE,
+		.end	= UBICOM32_FLASH_BASE +
+		UBICOM32_FLASH_MAX_SIZE - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device ubicom32_flash_device = {
+	.name = "ubicom32flashdriver",
+	.id = 0, /* Bus number */
+	.num_resources = ARRAY_SIZE(ubicom32_flash_resource),
+	.resource = ubicom32_flash_resource,
+	.dev = {
+		.platform_data = &ubicom32_flash_data,
+	},
+};
+
+static struct platform_device *ubicom32_flash_devices[] = {
+	&ubicom32_flash_device,
+};
+
+static int __init ubicom32_flash_init(void)
+{
+	printk(KERN_INFO "%s(): registering device resources\n",
+	       __FUNCTION__);
+	platform_add_devices(ubicom32_flash_devices,
+			     ARRAY_SIZE(ubicom32_flash_devices));
+	return 0;
+}
+
+arch_initcall(ubicom32_flash_init);
+
+/*
+ * MTD SPI driver for ST M25Pxx (and similar) serial flash chips through
+ * Ubicom32 SPI controller.
+ *
+ * Author: Mike Lavender, mike@steroidmicros.com
+ *
+ * Copyright (c) 2005, Intec Automation Inc.
+ *
+ * Some parts are based on lart.c by Abraham Van Der Merwe
+ *
+ * Cleaned up and generalized based on mtd_dataflash.c
+ *
+ * This code is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#define FLASH_PAGESIZE		256
+
+/* Flash opcodes. */
+#define	OPCODE_WREN		0x06	/* Write enable */
+#define	OPCODE_RDSR		0x05	/* Read status register */
+#define	OPCODE_READ		0x03	/* Read data bytes (low frequency) */
+#define	OPCODE_FAST_READ	0x0b	/* Read data bytes (high frequency) */
+#define	OPCODE_PP		0x02	/* Page program (up to 256 bytes) */
+#define	OPCODE_BE_4K		0x20	/* Erase 4KiB block */
+#define	OPCODE_BE_32K		0x52	/* Erase 32KiB block */
+#define	OPCODE_SE		0xd8	/* Sector erase (usually 64KiB) */
+#define	OPCODE_RDID		0x9f	/* Read JEDEC ID */
+
+/* Status Register bits. */
+#define	SR_WIP			1	/* Write in progress */
+#define	SR_WEL			2	/* Write enable latch */
+/* meaning of other SR_* bits may differ between vendors */
+#define	SR_BP0			4	/* Block protect 0 */
+#define	SR_BP1			8	/* Block protect 1 */
+#define	SR_BP2			0x10	/* Block protect 2 */
+#define	SR_SRWD			0x80	/* SR write protect */
+
+/* Define max times to check status register before we give up. */
+#define	MAX_READY_WAIT_COUNT	100000
+
+
+#ifdef CONFIG_MTD_PARTITIONS
+#define	mtd_has_partitions()	(1)
+#else
+#define	mtd_has_partitions()	(0)
+#endif
+
+/*
+ * Ubicom32 FLASH Command Set
+ */
+#define FLASH_FC_INST_CMD	0x00	/* for SPI command only transaction */
+#define FLASH_FC_INST_WR	0x01	/* for SPI write transaction */
+#define FLASH_FC_INST_RD	0x02	/* for SPI read transaction */
+
+#define ALIGN_DOWN(v, a) ((v) & ~((a) - 1))
+#define ALIGN_UP(v, a) (((v) + ((a) - 1)) & ~((a) - 1))
+
+#define	FLASH_COMMAND_KICK_OFF(io)							\
+	asm volatile(									\
+	"	bset	"D(IO_INT_CLR)"(%0), #0, #%%bit("D(IO_XFL_INT_DONE)")	\n\t"	\
+	"	jmpt.t	.+4							\n\t"	\
+	"	bset	"D(IO_INT_SET)"(%0), #0, #%%bit("D(IO_XFL_INT_START)")	\n\t"	\
+		:									\
+		: "a" (io)								\
+		: "memory", "cc"							\
+	);
+
+#define	FLASH_COMMAND_WAIT_FOR_COMPLETION(io)						\
+	asm volatile(									\
+	"	btst	"D(IO_INT_STATUS)"(%0), #%%bit("D(IO_XFL_INT_DONE)")	\n\t"	\
+	"	jmpeq.f	.-4							\n\t"	\
+		:									\
+		: "a" (io)								\
+		: "memory", "cc"									\
+	);
+
+#define	FLASH_COMMAND_EXEC(io)								\
+	FLASH_COMMAND_KICK_OFF(io)							\
+	FLASH_COMMAND_WAIT_FOR_COMPLETION(io)
+
+
+#define OSC1_FREQ 12000000
+#define TEN_MICRO_SECONDS (OSC1_FREQ * 10 / 1000000)
+
+/*
+ * We will have to eventually replace this null definition with the real thing.
+ */
+#define WATCHDOG_RESET()
+
+#define EXTFLASH_WRITE_FIFO_SIZE 32
+#define EXTFLASH_WRITE_BLOCK_SIZE EXTFLASH_WRITE_FIFO_SIZE /* limit the size to
+							    * FIFO capacity, so
+							    * the thread can be
+							    * suspended. */
+
+#define JFFS2_FILESYSTEM_SIZE 0x100000
+
+/****************************************************************************/
+
+struct m25p {
+	struct platform_device	*plt_dev;
+	struct mutex		lock;
+	struct mtd_info		mtd;
+	unsigned		partitioned:1;
+	u8			erase_opcode;
+	u8			command[4];
+};
+
+static inline struct m25p *mtd_to_m25p(struct mtd_info *mtd)
+{
+	return container_of(mtd, struct m25p, mtd);
+}
+
+/****************************************************************************/
+
+/*
+ * Internal helper functions
+ */
+
+/*
+ * Read the status register, returning its value in the location
+ * Return the status register value.
+ * Returns negative if error occurred.
+ */
+static int read_sr(struct m25p *flash)
+{
+	struct ubicom32_io_port *io = (struct ubicom32_io_port *)RA;
+
+	io->ctl1 &= ~IO_XFL_CTL1_MASK;
+	io->ctl1 |= IO_XFL_CTL1_FC_INST(FLASH_FC_INST_RD) |
+		IO_XFL_CTL1_FC_DATA(1);
+	io->ctl2 = IO_XFL_CTL2_FC_CMD(OPCODE_RDSR);
+	FLASH_COMMAND_EXEC(io);
+
+	return io->status1 & 0xff;
+}
+
+/*
+ * mem_flash_io_read_u32()
+ */
+static u32 mem_flash_io_read_u32(u32 addr)
+{
+	struct ubicom32_io_port *io = (struct ubicom32_io_port *)RA;
+	io->ctl1 &= ~IO_XFL_CTL1_MASK;
+	io->ctl1 |= IO_XFL_CTL1_FC_INST(FLASH_FC_INST_RD) |
+		IO_XFL_CTL1_FC_DATA(4) | IO_XFL_CTL1_FC_DUMMY(1) |
+		IO_XFL_CTL1_FC_ADDR;
+	io->ctl2 = IO_XFL_CTL2_FC_CMD(OPCODE_FAST_READ) |
+		IO_XFL_CTL2_FC_ADDR(addr);
+	FLASH_COMMAND_EXEC(io);
+	return io->status1;
+}
+
+/*
+ * mem_flash_read_u8()
+ */
+static u8 mem_flash_read_u8(u32 addr)
+{
+	u32 tmp_addr = ALIGN_DOWN(addr, 4);
+	u32 tmp_data = mem_flash_io_read_u32(tmp_addr);
+	u8 *ptr = (u8 *)&tmp_data;
+	return ptr[addr & 0x3];
+}
+
+/*
+ * mem_flash_read()
+ *	No need to lock as read is implemented with ireads (same as normal flash
+ *	execution).
+ */
+static void mem_flash_read(u32 addr, void *dst, size_t length)
+{
+	/*
+	 * Range check
+	 */
+	/*
+	 * Fix source alignment.
+	 */
+	while (addr & 0x03) {
+		if (length == 0) {
+			return;
+		}
+		*((u8 *)dst) = mem_flash_read_u8(addr++);
+		dst++;
+		length--;
+	}
+
+	while (length >= 4) {
+		u32 tmp_data = mem_flash_io_read_u32(addr);
+		addr += 4;
+		length -= 4;
+
+		/*
+		 * Send the data to the destination.
+		 */
+		memcpy((void *)dst, (void *)&tmp_data, 4);
+		dst += 4;
+	}
+
+	while (length--) {
+		*((u8 *)dst) = mem_flash_read_u8(addr++);
+		dst++;
+	}
+}
+
+/*
+ * mem_flash_wait_until_complete()
+ */
+static void mem_flash_wait_until_complete(void)
+{
+	struct ubicom32_io_port *io = (struct ubicom32_io_port *)RA;
+
+	do {
+		/*
+		 * Put a delay here to deal with flash programming problem.
+		 */
+		u32 mptval = UBICOM32_IO_TIMER->mptval + TEN_MICRO_SECONDS;
+		while (UBICOM32_IO_TIMER->mptval < mptval)
+			;
+
+		io->ctl1 &= ~IO_XFL_CTL1_MASK;
+		io->ctl1 |= IO_XFL_CTL1_FC_INST(FLASH_FC_INST_RD) |
+			IO_XFL_CTL1_FC_DATA(1);
+		io->ctl2 = IO_XFL_CTL2_FC_CMD(OPCODE_RDSR);
+		FLASH_COMMAND_EXEC(io);
+	} while (io->status1 & SR_WIP);
+}
+
+/*
+ * mem_flash_write_next()
+ */
+static size_t mem_flash_write_next(u32 addr, u8 *buf, size_t length)
+{
+	struct ubicom32_io_port *io = (struct ubicom32_io_port *)RA;
+	u32 data_start = addr;
+	u32 data_end = addr + length;
+	size_t count;
+	u32 i, j;
+
+	/*
+	 * Top limit address.
+	 */
+	u32 block_start = ALIGN_DOWN(data_start, 4);
+	u32 block_end = block_start + EXTFLASH_WRITE_BLOCK_SIZE;
+
+	union {
+		u8 byte[EXTFLASH_WRITE_BLOCK_SIZE];
+		u32 word[EXTFLASH_WRITE_BLOCK_SIZE / 4];
+	} write_buf;
+
+	u32 *flash_addr = (u32 *)block_start;
+
+	/*
+	 * The write block must be limited by FLASH internal buffer.
+	 */
+	u32 block_end_align = ALIGN_DOWN(block_end, 256);
+	bool write_needed;
+
+	block_end = (block_end_align > block_start)
+		? block_end_align : block_end;
+	data_end = (data_end <= block_end) ? data_end : block_end;
+	block_end = ALIGN_UP(data_end, 4);
+	count = data_end - data_start;
+
+	/*
+	 * Transfer data to a buffer.
+	 */
+	for (i = 0; i < (block_end - block_start) / 4; i++) {
+		/*
+		 * The FLASH read can hold D-cache for a long time.
+		 * Use I/O operation to read FLASH to avoid starving other
+		 * threads, especially HRT.  (Do this for application only)
+		 */
+		write_buf.word[i] = mem_flash_io_read_u32(
+			(u32)(&flash_addr[i]));
+	}
+
+	write_needed = false;
+	for (i = 0, j = (data_start - block_start);
+	     i < (data_end - data_start); i++, j++) {
+		write_needed = write_needed || (write_buf.byte[j] != buf[i]);
+		write_buf.byte[j] &= buf[i];
+	}
+
+
+	/*
+	 * If the data in FLASH is identical to what to be written. Then skip
+	 * it.
+	 */
+	if (write_needed) {
+		/*
+		 * Write to flash.
+		 */
+		void *tmp __attribute__((unused));
+		s32 extra_words;
+
+		asm volatile(
+		"	move.4	%0, %2									\n\t"
+		"	bset	"D(IO_INT_SET)"(%1), #0, #%%bit("D(IO_PORTX_INT_FIFO_TX_RESET)")	\n\t"
+		"	pipe_flush 0									\n\t"
+		"	.rept	"D(EXTFLASH_WRITE_FIFO_SIZE / 4)"					\n\t"
+		"	move.4	"D(IO_TX_FIFO)"(%1), (%0)4++						\n\t"
+		"	.endr										\n\t"
+			: "=&a" (tmp)
+			: "a" (io), "r" (&write_buf.word[0])
+			: "memory", "cc"
+		);
+
+		/* Lock FLASH for write access. */
+		io->ctl0 |= IO_XFL_CTL0_MCB_LOCK;
+
+		/* Command: WREN */
+		io->ctl1 &= ~IO_XFL_CTL1_MASK;
+		io->ctl1 |= IO_XFL_CTL1_FC_INST(FLASH_FC_INST_CMD);
+		io->ctl2 = IO_XFL_CTL2_FC_CMD(OPCODE_WREN);
+		FLASH_COMMAND_EXEC(io);
+
+		/* Command: BYTE PROGRAM */
+		io->ctl1 &= ~IO_XFL_CTL1_MASK;
+		io->ctl1 |= IO_XFL_CTL1_FC_INST(FLASH_FC_INST_WR) |
+			IO_XFL_CTL1_FC_DATA(block_end - block_start) |
+			IO_XFL_CTL1_FC_ADDR;
+		io->ctl2 = IO_XFL_CTL2_FC_CMD(OPCODE_PP) |
+			IO_XFL_CTL2_FC_ADDR(block_start);
+		FLASH_COMMAND_KICK_OFF(io);
+
+		extra_words = (s32)(block_end - block_start -
+				    EXTFLASH_WRITE_FIFO_SIZE) / 4;
+		if (extra_words > 0) {
+			asm volatile(
+			"	move.4		%0, %3				\n\t"
+			"1:	cmpi		"D(IO_FIFO_LEVEL)"(%1), #4	\n\t"
+			"	jmpgt.s.t	1b				\n\t"
+			"	move.4		"D(IO_TX_FIFO)"(%1), (%0)4++	\n\t"
+			"	add.4		%2, #-1, %2			\n\t"
+			"	jmpgt.t		1b				\n\t"
+				: "=&a" (tmp)
+				: "a" (io), "d" (extra_words),
+				  "r" (&write_buf.word[EXTFLASH_WRITE_FIFO_SIZE / 4])
+				: "memory", "cc"
+			);
+		}
+		FLASH_COMMAND_WAIT_FOR_COMPLETION(io);
+
+		mem_flash_wait_until_complete();
+
+
+		/* Unlock FLASH for cache access. */
+		io->ctl0 &= ~IO_XFL_CTL0_MCB_LOCK;
+	}
+
+	/*
+	 * Complete.
+	 */
+	return count;
+}
+
+/*
+ * mem_flash_write()
+ */
+static void mem_flash_write(u32 addr, const void *src, size_t length)
+{
+	/*
+	 * Write data
+	 */
+	u8_t *ptr = (u8_t *)src;
+	while (length) {
+		size_t count = mem_flash_write_next(addr, ptr, length);
+		addr += count;
+		ptr += count;
+		length -= count;
+	}
+}
+
+/*
+ * Service routine to read status register until ready, or timeout occurs.
+ * Returns non-zero if error.
+ */
+static int wait_till_ready(struct m25p *flash)
+{
+	int count;
+	int sr;
+
+	/* one chip guarantees max 5 msec wait here after page writes,
+	 * but potentially three seconds (!) after page erase.
+	 */
+	for (count = 0; count < MAX_READY_WAIT_COUNT; count++) {
+		u32 mptval;
+		sr = read_sr(flash);
+		if (sr < 0)
+			break;
+		else if (!(sr & SR_WIP))
+			return 0;
+
+		/*
+		 * Put a 10us delay here to deal with flash programming problem.
+		 */
+		mptval = UBICOM32_IO_TIMER->mptval + TEN_MICRO_SECONDS;
+		while ((s32)(mptval - UBICOM32_IO_TIMER->mptval) > 0) {
+			WATCHDOG_RESET();
+		}
+		/* REVISIT sometimes sleeping would be best */
+	}
+
+	return 1;
+}
+
+/*
+ * mem_flash_erase_page()
+ */
+static void mem_flash_erase_page(u32 addr)
+{
+	struct ubicom32_io_port *io = (struct ubicom32_io_port *)RA;
+
+	/* Lock FLASH for write access. */
+	io->ctl0 |= IO_XFL_CTL0_MCB_LOCK;
+
+	/* Command: WREN */
+	io->ctl1 &= ~IO_XFL_CTL1_MASK;
+	io->ctl1 |= IO_XFL_CTL1_FC_INST(FLASH_FC_INST_CMD);
+	io->ctl2 = IO_XFL_CTL2_FC_CMD(OPCODE_WREN);
+	FLASH_COMMAND_EXEC(io);
+
+	/* Command: ERASE */
+	io->ctl1 &= ~IO_XFL_CTL1_MASK;
+	io->ctl1 |= IO_XFL_CTL1_FC_INST(FLASH_FC_INST_CMD) |
+		IO_XFL_CTL1_FC_ADDR;
+	io->ctl2 = IO_XFL_CTL2_FC_CMD(OPCODE_SE) |
+		IO_XFL_CTL2_FC_ADDR(addr);
+	FLASH_COMMAND_EXEC(io);
+
+	mem_flash_wait_until_complete();
+
+	/* Unlock FLASH for cache access. */
+	io->ctl0 &= ~IO_XFL_CTL0_MCB_LOCK;
+}
+
+/*
+ * mem_flash_erase()
+ */
+static u32 mem_flash_erase(u32 addr, u32 length)
+{
+	/*
+	 * Calculate the endaddress to be the first address of the page
+	 * just beyond this erase section of pages.
+	 */
+	u32 endaddr = addr + length;
+
+	/*
+	 * Erase.
+	 */
+	while (addr < endaddr) {
+		u32 test_addr = addr;
+		mem_flash_erase_page(addr);
+
+		/*
+		 * Test how much was erased as actual flash page at this address
+		 * may be smaller than the expected page size.
+		 */
+		while (test_addr < endaddr) {
+			/*
+			 * The FLASH read can hold D-cache for a long time.  Use
+			 * I/O operation to read FLASH to avoid starving other
+			 * threads, especially HRT.  (Do this for application
+			 * only)
+			 */
+			if (mem_flash_io_read_u32(test_addr) != 0xFFFFFFFF) {
+				break;
+			}
+			test_addr += 4;
+		}
+		if (test_addr == addr) {
+			printk("erase failed at address 0x%x, skipping",
+			       test_addr);
+			test_addr += 4;
+			return 1;
+		}
+		addr = test_addr;
+	}
+	return 0;
+}
+
+
+/****************************************************************************/
+
+/*
+ * MTD implementation
+ */
+
+/*
+ * Erase an address range on the flash chip.  The address range may extend
+ * one or more erase sectors.  Return an error is there is a problem erasing.
+ */
+static int ubicom32_flash_driver_erase(struct mtd_info *mtd,
+				       struct erase_info *instr)
+{
+	struct m25p *flash = mtd_to_m25p(mtd);
+	u32 addr, len;
+
+	DEBUG(MTD_DEBUG_LEVEL2, "%s: %s %s 0x%08x, len %lld\n",
+	      dev_name(&flash->plt_dev->dev), __FUNCTION__, "at",
+	      (u32)instr->addr, instr->len);
+
+	/* sanity checks */
+	if (instr->addr + instr->len > flash->mtd.size)
+		return -EINVAL;
+	if ((instr->addr % mtd->erasesize) != 0
+			|| (instr->len % mtd->erasesize) != 0) {
+		return -EINVAL;
+	}
+
+	addr = instr->addr + UBICOM32_FLASH_BASE;
+	len = instr->len;
+
+	mutex_lock(&flash->lock);
+
+	/* REVISIT in some cases we could speed up erasing large regions
+	 * by using OPCODE_SE instead of OPCODE_BE_4K
+	 */
+
+	/* now erase those sectors */
+	if (mem_flash_erase(addr, len)) {
+		instr->state = MTD_ERASE_FAILED;
+		mutex_unlock(&flash->lock);
+		return -EIO;
+	}
+
+	mutex_unlock(&flash->lock);
+	instr->state = MTD_ERASE_DONE;
+	mtd_erase_callback(instr);
+	return 0;
+}
+
+/*
+ * Read an address range from the flash chip.  The address range
+ * may be any size provided it is within the physical boundaries.
+ */
+static int ubicom32_flash_driver_read(struct mtd_info *mtd, loff_t from,
+				      size_t len, size_t *retlen, u_char *buf)
+{
+	struct m25p *flash = mtd_to_m25p(mtd);
+	u32 base_addr = UBICOM32_FLASH_BASE + from;
+
+	DEBUG(MTD_DEBUG_LEVEL2, "%s: %s %s 0x%08x, len %d\n",
+	      dev_name(&flash->plt_dev->dev), __FUNCTION__, "from",
+	      (u32)from, len);
+
+	/* sanity checks */
+	if (!len)
+		return 0;
+
+	if (from + len > flash->mtd.size)
+		return -EINVAL;
+
+	/* Byte count starts at zero. */
+	if (retlen)
+		*retlen = 0;
+
+	mutex_lock(&flash->lock);
+
+	/* Wait till previous write/erase is done. */
+	if (wait_till_ready(flash)) {
+		/* REVISIT status return?? */
+		mutex_unlock(&flash->lock);
+		return 1;
+	}
+
+	mem_flash_read(base_addr, (void *)buf, len);
+
+	if (retlen)
+		*retlen = len;
+
+	mutex_unlock(&flash->lock);
+
+	return 0;
+}
+
+/*
+ * Write an address range to the flash chip.  Data must be written in
+ * FLASH_PAGESIZE chunks.  The address range may be any size provided
+ * it is within the physical boundaries.
+ */
+static int ubicom32_flash_driver_write(struct mtd_info *mtd, loff_t to,
+				       size_t len, size_t *retlen,
+				       const u_char *buf)
+{
+	struct m25p *flash = mtd_to_m25p(mtd);
+	u32 base_addr = UBICOM32_FLASH_BASE + to;
+	DEBUG(MTD_DEBUG_LEVEL2, "%s: %s %s 0x%08x, len %d\n",
+	      dev_name(&flash->plt_dev->dev), __FUNCTION__, "to",
+	      (u32)to, len);
+
+	if (retlen)
+		*retlen = 0;
+
+	/* sanity checks */
+	if (!len)
+		return 0;
+
+	if (to + len > flash->mtd.size)
+		return -EINVAL;
+
+	mutex_lock(&flash->lock);
+
+	mem_flash_write(base_addr, (void *) buf, len);
+
+	/* Wait until finished previous write command. */
+	if (wait_till_ready(flash)) {
+		mutex_unlock(&flash->lock);
+		return 1;
+	}
+
+	if (retlen)
+		*retlen = len;
+
+	mutex_unlock(&flash->lock);
+	return 0;
+}
+
+
+/****************************************************************************/
+
+/*
+ * SPI device driver setup and teardown
+ */
+
+struct flash_info {
+	char		*name;
+
+	/* JEDEC id zero means "no ID" (most older chips); otherwise it has
+	 * a high byte of zero plus three data bytes: the manufacturer id,
+	 * then a two byte device id.
+	 */
+	u32		jedec_id;
+
+	/* The size listed here is what works with OPCODE_SE, which isn't
+	 * necessarily called a "sector" by the vendor.
+	 */
+	unsigned	sector_size;
+	u16		n_sectors;
+
+	u16		flags;
+#define	SECT_4K		0x01		/* OPCODE_BE_4K works uniformly */
+};
+
+
+/* NOTE: double check command sets and memory organization when you add
+ * more flash chips.  This current list focusses on newer chips, which
+ * have been converging on command sets which including JEDEC ID.
+ */
+static struct flash_info __devinitdata m25p_data[] = {
+
+	/* Atmel -- some are (confusingly) marketed as "DataFlash" */
+	{ "at25fs010",  0x1f6601, 32 * 1024, 4, SECT_4K, },
+	{ "at25fs040",  0x1f6604, 64 * 1024, 8, SECT_4K, },
+
+	{ "at25df041a", 0x1f4401, 64 * 1024, 8, SECT_4K, },
+
+	{ "at26f004",   0x1f0400, 64 * 1024, 8, SECT_4K, },
+	{ "at26df081a", 0x1f4501, 64 * 1024, 16, SECT_4K, },
+	{ "at26df161a", 0x1f4601, 64 * 1024, 32, SECT_4K, },
+	{ "at26df321",  0x1f4701, 64 * 1024, 64, SECT_4K, },
+
+	/* Spansion -- single (large) sector size only, at least
+	 * for the chips listed here (without boot sectors).
+	 */
+	{ "s25sl004a", 0x010212, 64 * 1024, 8, },
+	{ "s25sl008a", 0x010213, 64 * 1024, 16, },
+	{ "s25sl016a", 0x010214, 64 * 1024, 32, },
+	{ "s25sl032a", 0x010215, 64 * 1024, 64, },
+	{ "s25sl064a", 0x010216, 64 * 1024, 128, },
+
+	/* SST -- large erase sizes are "overlays", "sectors" are 4K */
+	{ "sst25vf040b", 0xbf258d, 64 * 1024, 8, SECT_4K, },
+	{ "sst25vf080b", 0xbf258e, 64 * 1024, 16, SECT_4K, },
+	{ "sst25vf016b", 0xbf2541, 64 * 1024, 32, SECT_4K, },
+	{ "sst25vf032b", 0xbf254a, 64 * 1024, 64, SECT_4K, },
+
+	/* ST Microelectronics -- newer production may have feature updates */
+	{ "m25p05",  0x202010,  32 * 1024, 2, },
+	{ "m25p10",  0x202011,  32 * 1024, 4, },
+	{ "m25p20",  0x202012,  64 * 1024, 4, },
+	{ "m25p40",  0x202013,  64 * 1024, 8, },
+	{ "m25p80",         0,  64 * 1024, 16, },
+	{ "m25p16",  0x202015,  64 * 1024, 32, },
+	{ "m25p32",  0x202016,  64 * 1024, 64, },
+	{ "m25p64",  0x202017,  64 * 1024, 128, },
+	{ "m25p128", 0x202018, 256 * 1024, 64, },
+
+	{ "m45pe80", 0x204014,  64 * 1024, 16, },
+	{ "m45pe16", 0x204015,  64 * 1024, 32, },
+
+	{ "m25pe80", 0x208014,  64 * 1024, 16, },
+	{ "m25pe16", 0x208015,  64 * 1024, 32, SECT_4K, },
+
+	/* Winbond -- w25x "blocks" are 64K, "sectors" are 4KiB */
+	{ "w25x10", 0xef3011, 64 * 1024, 2, SECT_4K, },
+	{ "w25x20", 0xef3012, 64 * 1024, 4, SECT_4K, },
+	{ "w25x40", 0xef3013, 64 * 1024, 8, SECT_4K, },
+	{ "w25x80", 0xef3014, 64 * 1024, 16, SECT_4K, },
+	{ "w25x16", 0xef3015, 64 * 1024, 32, SECT_4K, },
+	{ "w25x32", 0xef3016, 64 * 1024, 64, SECT_4K, },
+	{ "w25x64", 0xef3017, 64 * 1024, 128, SECT_4K, },
+
+	/* Macronix -- mx25lxxx */
+	{ "mx25l32",  0xc22016, 64 * 1024,  64, },
+	{ "mx25l64",  0xc22017, 64 * 1024, 128, },
+	{ "mx25l128", 0xc22018, 64 * 1024, 256, },
+
+};
+
+struct flash_info *__devinit jedec_probe(struct platform_device *spi)
+{
+	int			tmp;
+	u32			jedec;
+	struct flash_info	*info;
+	struct ubicom32_io_port *io = (struct ubicom32_io_port *)RA;
+
+	/*
+	 * Setup and run RDID command on the flash.
+	 */
+	io->ctl1 &= ~IO_XFL_CTL1_MASK;
+	io->ctl1 |= IO_XFL_CTL1_FC_INST(FLASH_FC_INST_RD) |
+		IO_XFL_CTL1_FC_DATA(3);
+	io->ctl2 = IO_XFL_CTL2_FC_CMD(OPCODE_RDID);
+	FLASH_COMMAND_EXEC(io);
+
+	jedec = io->status1 & 0x00ffffff;
+
+	for (tmp = 0, info = m25p_data;
+			tmp < ARRAY_SIZE(m25p_data);
+			tmp++, info++) {
+		if (info->jedec_id == jedec)
+			return info;
+	}
+	dev_err(&spi->dev, "unrecognized JEDEC id %06x\n", jedec);
+	return NULL;
+}
+
+
+/*
+ * board specific setup should have ensured the SPI clock used here
+ * matches what the READ command supports, at least until this driver
+ * understands FAST_READ (for clocks over 25 MHz).
+ */
+static int __devinit ubicom32_flash_probe(struct platform_device *spi)
+{
+	struct flash_platform_data	*data;
+	struct m25p			*flash;
+	struct flash_info		*info;
+	unsigned			i;
+
+	/* Platform data helps sort out which chip type we have, as
+	 * well as how this board partitions it.  If we don't have
+	 * a chip ID, try the JEDEC id commands; they'll work for most
+	 * newer chips, even if we don't recognize the particular chip.
+	 */
+	data = spi->dev.platform_data;
+	if (data && data->type) {
+		for (i = 0, info = m25p_data;
+				i < ARRAY_SIZE(m25p_data);
+				i++, info++) {
+			if (strcmp(data->type, info->name) == 0)
+				break;
+		}
+
+		/* unrecognized chip? */
+		if (i == ARRAY_SIZE(m25p_data)) {
+			DEBUG(MTD_DEBUG_LEVEL0, "%s: unrecognized id %s\n",
+			      dev_name(&spi->dev), data->type);
+			info = NULL;
+
+		/* recognized; is that chip really what's there? */
+		} else if (info->jedec_id) {
+			struct flash_info	*chip = jedec_probe(spi);
+
+			if (!chip || chip != info) {
+				dev_warn(&spi->dev, "found %s, expected %s\n",
+						chip ? chip->name : "UNKNOWN",
+						info->name);
+				info = NULL;
+			}
+		}
+	} else
+		info = jedec_probe(spi);
+
+	if (!info)
+		return -ENODEV;
+
+	flash = kzalloc(sizeof *flash, GFP_KERNEL);
+	if (!flash)
+		return -ENOMEM;
+
+	flash->plt_dev = spi;
+	mutex_init(&flash->lock);
+	dev_set_drvdata(&spi->dev, flash);
+
+	if (data && data->name)
+		flash->mtd.name = data->name;
+	else
+		flash->mtd.name = dev_name(&spi->dev);
+
+	flash->mtd.type = MTD_NORFLASH;
+	flash->mtd.writesize = 1;
+	flash->mtd.flags = MTD_CAP_NORFLASH;
+	flash->mtd.size = info->sector_size * info->n_sectors;
+	flash->mtd.erase = ubicom32_flash_driver_erase;
+	flash->mtd.read = ubicom32_flash_driver_read;
+	flash->mtd.write = ubicom32_flash_driver_write;
+
+	/* prefer "small sector" erase if possible */
+	/*
+	 * The Ubicom erase code does not use the opcode for smaller sectors,
+	 * so disable that functionality and keep erasesize == sector_size
+	 * so that the test in ubicom32_flash_driver_erase works properly.
+	 *
+	 * This was: `if (info->flags & SECT_4K) {' instead of `if (0) {'
+	 */
+	if (0) {
+		flash->erase_opcode = OPCODE_BE_4K;
+		flash->mtd.erasesize = 4096;
+	} else {
+		flash->erase_opcode = OPCODE_SE;
+		flash->mtd.erasesize = info->sector_size;
+	}
+
+	dev_info(&spi->dev, "%s (%lld Kbytes)\n", info->name,
+		 flash->mtd.size / 1024);
+
+	DEBUG(MTD_DEBUG_LEVEL2,
+		"mtd .name = %s, .size = 0x%.8llx (%lluMiB) "
+			".erasesize = 0x%.8x (%uKiB) .numeraseregions = %d\n",
+		flash->mtd.name,
+		flash->mtd.size, flash->mtd.size / (1024*1024),
+		flash->mtd.erasesize, flash->mtd.erasesize / 1024,
+		flash->mtd.numeraseregions);
+
+	if (flash->mtd.numeraseregions)
+		for (i = 0; i < flash->mtd.numeraseregions; i++)
+			DEBUG(MTD_DEBUG_LEVEL2,
+				"mtd.eraseregions[%d] = { .offset = 0x%.8llx, "
+				".erasesize = 0x%.8x (%uKiB), "
+				".numblocks = %d }\n",
+				i, flash->mtd.eraseregions[i].offset,
+				flash->mtd.eraseregions[i].erasesize,
+				flash->mtd.eraseregions[i].erasesize / 1024,
+				flash->mtd.eraseregions[i].numblocks);
+
+
+	/* partitions should match sector boundaries; and it may be good to
+	 * use readonly partitions for writeprotected sectors (BP2..BP0).
+	 */
+	if (mtd_has_partitions()) {
+		struct mtd_partition	*parts = NULL;
+		int			nr_parts = 0;
+
+#ifdef CONFIG_MTD_CMDLINE_PARTS
+		static const char *part_probes[] = { "cmdlinepart", NULL, };
+
+		nr_parts = parse_mtd_partitions(&flash->mtd,
+				part_probes, &parts, 0);
+#endif
+
+		if (nr_parts <= 0 && data && data->parts) {
+			parts = data->parts;
+			nr_parts = data->nr_parts;
+			if (nr_parts >= 2) {
+				/*
+				 * Set last partition size to be 1M.
+				 */
+				parts[1].size = flash->mtd.size -
+					parts[0].size - JFFS2_FILESYSTEM_SIZE;
+				parts[2].size = JFFS2_FILESYSTEM_SIZE;
+			}
+		}
+
+		if (nr_parts > 0) {
+			for (i = 0; i < nr_parts; i++) {
+				DEBUG(MTD_DEBUG_LEVEL2, "partitions[%d] = "
+					"{.name = %s, .offset = 0x%.8llx, "
+						".size = 0x%.8llx (%lluKiB) }\n",
+					i, parts[i].name,
+					parts[i].offset,
+					parts[i].size,
+					parts[i].size / 1024);
+			}
+			flash->partitioned = 1;
+			return add_mtd_partitions(&flash->mtd, parts, nr_parts);
+		}
+	} else if (data->nr_parts)
+		dev_warn(&spi->dev, "ignoring %d default partitions on %s\n",
+				data->nr_parts, data->name);
+
+	return add_mtd_device(&flash->mtd) == 1 ? -ENODEV : 0;
+}
+
+
+static int __devexit ubicom32_flash_remove(struct spi_device *spi)
+{
+	struct m25p	*flash = dev_get_drvdata(&spi->dev);
+	int		status;
+
+	/* Clean up MTD stuff. */
+	if (mtd_has_partitions() && flash->partitioned)
+		status = del_mtd_partitions(&flash->mtd);
+	else
+		status = del_mtd_device(&flash->mtd);
+	if (status == 0)
+		kfree(flash);
+	return 0;
+}
+
+static struct platform_driver ubicom32_flash_driver = {
+	.driver = {
+		.name	= "ubicom32flashdriver",
+		.bus	= &platform_bus_type,
+		.owner	= THIS_MODULE,
+	},
+	.probe	= ubicom32_flash_probe,
+	.remove	= NULL,
+};
+
+static int ubicom32_flash_driver_init(void)
+{
+	return platform_driver_register(&ubicom32_flash_driver);
+}
+
+
+static void ubicom32_flash_driver_exit(void)
+{
+	platform_driver_unregister(&ubicom32_flash_driver);
+}
+
+
+module_init(ubicom32_flash_driver_init);
+module_exit(ubicom32_flash_driver_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Mike Lavender");
+MODULE_DESCRIPTION("Ubicom32 MTD SPI driver for ST M25Pxx flash chips");
diff -ruN linux-2.6.30.10/drivers/mtd/devices/ubi32-nand-spi-er.c linux-2.6.30.10-ubi/drivers/mtd/devices/ubi32-nand-spi-er.c
--- linux-2.6.30.10/drivers/mtd/devices/ubi32-nand-spi-er.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/mtd/devices/ubi32-nand-spi-er.c	2009-12-11 11:45:16.000000000 +0200
@@ -0,0 +1,1188 @@
+/*
+ * Micron SPI-ER NAND Flash Memory
+ *	This code uses the built in Ubicom flash controller
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+*/
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/mutex.h>
+#include <linux/err.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+
+#define DRIVER_NAME				"ubi32-nand-spi-er"
+#define UBI32_NAND_SPI_ER_BLOCK_FROM_ROW(row)	(row >> 6)
+
+#define UBI32_NAND_SPI_ER_STATUS_P_FAIL		(1 << 3)
+#define UBI32_NAND_SPI_ER_STATUS_E_FAIL		(1 << 2)
+#define UBI32_NAND_SPI_ER_STATUS_OIP		(1 << 0)
+
+#define UBI32_NAND_SPI_ER_LAST_ROW_INVALID	0xFFFFFFFF
+#define	UBI32_NAND_SPI_ER_BAD_BLOCK_MARK_OFFSET	0x08
+
+struct ubi32_nand_spi_er_device {
+	const char		*name;
+
+	uint16_t		id;
+
+	unsigned int		blocks;
+	unsigned int		pages_per_block;
+	unsigned int		page_size;
+	unsigned int		write_size;
+	unsigned int		erase_size;
+};
+
+struct ubi32_nand_spi_er {
+	char				name[24];
+
+	const struct ubi32_nand_spi_er_device	*device;
+
+	struct mutex			lock;
+	struct platform_device		*pdev;
+
+	struct mtd_info			mtd;
+
+	unsigned int			last_row;	/* the last row we fetched */
+
+	/*
+	 * Bad block table (MUST be last in strcuture)
+	 */
+	unsigned long			nbb;
+	unsigned long			bbt[0];
+};
+
+/*
+ * Chip supports a write_size of 512, but we cannot do partial
+ * page with command 0x84.
+ *
+ * We need to use command 0x84 because we cannot fill the FIFO fast
+ * enough to transfer the whole 512 bytes at a time. (maybe through
+ * OCM?)
+ */
+const struct ubi32_nand_spi_er_device ubi32_nand_spi_er_devices[] = {
+	{
+		name:			"MT29F1G01ZDC",
+		id:			0x2C12,
+		blocks:			1024,
+		pages_per_block:	64,
+		page_size:		2048,
+		write_size:		2048,
+		erase_size:		64 * 2048,
+	},
+	{
+		name:			"MT29F1G01ZDC",
+		id:			0x2C13,
+		blocks:			1024,
+		pages_per_block:	64,
+		page_size:		2048,
+		write_size:		2048,
+		erase_size:		64 * 2048,
+	},
+};
+
+static int read_only = 0;
+module_param(read_only, int, 0);
+MODULE_PARM_DESC(read_only, "Leave device locked");
+
+/*
+ * Ubicom32 FLASH Command Set
+ */
+#define FLASH_PORT		RA
+
+#define FLASH_FC_INST_CMD	0x00	/* for SPI command only transaction */
+#define FLASH_FC_INST_WR	0x01	/* for SPI write transaction */
+#define FLASH_FC_INST_RD	0x02	/* for SPI read transaction */
+
+#define FLASH_COMMAND_KICK_OFF(io)								\
+	asm volatile(										\
+		"	bset	"D(IO_INT_CLR)"(%0), #0, #%%bit("D(IO_XFL_INT_DONE)")	\n\t"	\
+		"	jmpt.t	.+4							\n\t"	\
+		"	bset	"D(IO_INT_SET)"(%0), #0, #%%bit("D(IO_XFL_INT_START)")	\n\t"	\
+		:										\
+		: "a" (io)									\
+		: "cc"										\
+		);
+
+#define FLASH_COMMAND_WAIT_FOR_COMPLETION(io)							\
+	asm volatile(										\
+		"	btst	"D(IO_INT_STATUS)"(%0), #%%bit("D(IO_XFL_INT_DONE)")	\n\t"	\
+		"	jmpeq.f	.-4							\n\t"	\
+		:										\
+		: "a" (io)									\
+		: "cc"										\
+	);
+
+#define FLASH_COMMAND_EXEC(io)				\
+		FLASH_COMMAND_KICK_OFF(io)		\
+		FLASH_COMMAND_WAIT_FOR_COMPLETION(io)
+
+/*
+ * ubi32_nand_spi_er_get_feature
+ *	Get Feature register
+ */
+static uint8_t ubi32_nand_spi_er_get_feature(uint32_t reg)
+{
+	struct ubicom32_io_port *io = (struct ubicom32_io_port *)FLASH_PORT;
+
+	/*
+	 * Note that this will produce the sequence:
+	 * 	SI [0F][REG][00][00]
+	 * 	SO ---------[SR][SR][SR]
+	 * Since the flash controller can only output 24 bits of address, this is
+	 * ok for this command since the data will just repeat as long as the CS
+	 * is asserted and the clock is running.
+	 */
+	io->ctl1 &= ~IO_XFL_CTL1_MASK;
+	io->ctl1 |= IO_XFL_CTL1_FC_INST(FLASH_FC_INST_RD) | IO_XFL_CTL1_FC_DATA(1) |
+		    IO_XFL_CTL1_FC_ADDR;
+	io->ctl2 = IO_XFL_CTL2_FC_CMD(0x0F) | IO_XFL_CTL2_FC_ADDR(reg << 16);
+	FLASH_COMMAND_EXEC(io);
+
+	return io->status1 & 0xFF;
+}
+
+/*
+ * ubi32_nand_spi_er_write_buf
+ *	writes a buffer to the bus
+ *
+ * Writes 511 + 1 bytes to the bus, we have to stuff one data byte into the address.
+ */
+static void ubi32_nand_spi_er_write_buf(const uint8_t *buf, uint32_t col)
+{
+	struct ubicom32_io_port *io = (struct ubicom32_io_port *)FLASH_PORT;
+	uint32_t tmp;
+
+	asm volatile (
+		"	bset		"D(IO_INT_SET)"(%[port]), #0, #%%bit("D(IO_PORTX_INT_FIFO_TX_RESET)")	\n\t"
+		"	pipe_flush	0									\n\t"
+		:
+		: [port] "a" (FLASH_PORT)
+		: "cc"
+	);
+
+	/*
+	 * Write the data into the cache
+	 */
+	io->ctl1 &= ~IO_XFL_CTL1_MASK;
+#ifdef SUPPORT_512_FIFO
+	io->ctl1 |= IO_XFL_CTL1_FC_INST(FLASH_FC_INST_WR) | IO_XFL_CTL1_FC_DATA(511) |
+#endif
+	io->ctl1 |= IO_XFL_CTL1_FC_INST(FLASH_FC_INST_WR) | IO_XFL_CTL1_FC_DATA(31) |
+		    IO_XFL_CTL1_FC_ADDR;
+
+	/*
+	 * Construct the address with the first byte of data
+	 */
+	tmp = (col << 8) | *buf++;
+	io->ctl2 = IO_XFL_CTL2_FC_CMD(0x84) | IO_XFL_CTL2_FC_ADDR(tmp);
+
+	asm volatile (
+
+		/*
+		 * Move 32 bytes
+		 *
+		 * The first word needs to be [11][22][33][33] to work around a flash
+		 * controller bug.
+		 */
+		"	move.2		%[tmp], (%[data])2++							\n\t"
+		"	shmrg.1		%[tmp], (%[data]), %[tmp]						\n\t"
+		"	shmrg.1		%[tmp], (%[data])1++, %[tmp]						\n\t"
+		"	move.4		"D(IO_TX_FIFO)"(%[port]), %[tmp]					\n\t"
+
+		/*
+		 * We're aligned again!
+		 */
+		"	.rept 7											\n\t"
+		"	move.4		"D(IO_TX_FIFO)"(%[port]), (%[data])4++					\n\t"
+		"	.endr											\n\t"
+
+		/*
+		 * Kick off the flash command
+		 */
+		"	bset	"D(IO_INT_CLR)"(%[port]), #0, #%%bit("D(IO_XFL_INT_DONE)")			\n\t"
+		"	jmpt.t	.+4										\n\t"
+		"	bset	"D(IO_INT_SET)"(%[port]), #0, #%%bit("D(IO_XFL_INT_START)")			\n\t"
+
+#ifdef SUPPORT_512_FIFO
+		/*
+		 * Fill the remaining 120 words as space becomes available
+		 */
+		"1:												\n\t"
+		"	cmpi		"D(IO_FIFO_LEVEL)"(%[port]), #4						\n\t"
+		"	jmpgt.s.t	1b									\n\t"
+		"	move.4		"D(IO_TX_FIFO)"(%[port]), (%[data])4++					\n\t"
+		"	move.4		"D(IO_TX_FIFO)"(%[port]), (%[data])4++					\n\t"
+		"	move.4		"D(IO_TX_FIFO)"(%[port]), (%[data])4++					\n\t"
+		"	move.4		"D(IO_TX_FIFO)"(%[port]), (%[data])4++					\n\t"
+		"	add.4		%[cnt], #-4, %[cnt]							\n\t"
+		"	jmpgt.t		1b									\n\t"
+#endif
+		/*
+		 * Wait for the transaction to finish
+		 */
+		"	btst	"D(IO_INT_STATUS)"(%[port]), #%%bit("D(IO_XFL_INT_DONE)")			\n\t"
+		"	jmpeq.f	.-4										\n\t"
+
+		: [tmp] "=&d" (tmp),
+		  [data] "+&a" (buf)
+		: [column] "d" (col),
+		  [port] "a" (FLASH_PORT),
+		  [cnt] "d" (120)		// see above comment
+		: "cc"
+	);
+}
+
+/*
+ * ubi32_nand_spi_er_send_rd_addr
+ *	perform FC_RD: CMD + address
+ */
+static void ubi32_nand_spi_er_send_rd_addr(uint8_t command, uint32_t address)
+{
+	struct ubicom32_io_port *io = (struct ubicom32_io_port *)FLASH_PORT;
+
+	io->ctl1 &= ~IO_XFL_CTL1_MASK;
+	io->ctl1 |= IO_XFL_CTL1_FC_INST(FLASH_FC_INST_RD) | IO_XFL_CTL1_FC_DATA(4) |
+		    IO_XFL_CTL1_FC_ADDR;
+	io->ctl2 = IO_XFL_CTL2_FC_CMD(command) | IO_XFL_CTL2_FC_ADDR(address);
+	FLASH_COMMAND_EXEC(io);
+}
+
+/*
+ * ubi32_nand_spi_er_send_cmd_addr
+ *	perform FC_(xxx): CMD + address
+ */
+static void ubi32_nand_spi_er_send_cmd_addr(uint8_t command, uint32_t address)
+{
+	struct ubicom32_io_port *io = (struct ubicom32_io_port *)FLASH_PORT;
+
+	io->ctl1 &= ~IO_XFL_CTL1_MASK;
+	io->ctl1 |= IO_XFL_CTL1_FC_INST(FLASH_FC_INST_CMD) | IO_XFL_CTL1_FC_ADDR;
+	io->ctl2 = IO_XFL_CTL2_FC_CMD(command) | IO_XFL_CTL2_FC_ADDR(address);
+	FLASH_COMMAND_EXEC(io);
+}
+
+/*
+ * ubi32_nand_spi_er_write_disable
+ *	clear the write enable bit
+ */
+static void ubi32_nand_spi_er_write_disable(void)
+{
+	struct ubicom32_io_port *io = (struct ubicom32_io_port *)FLASH_PORT;
+
+	io->ctl1 &= ~IO_XFL_CTL1_MASK;
+	io->ctl1 |= IO_XFL_CTL1_FC_INST(FLASH_FC_INST_CMD);
+	io->ctl2 = IO_XFL_CTL2_FC_CMD(0x04);
+	FLASH_COMMAND_EXEC(io);
+}
+
+/*
+ * ubi32_nand_spi_er_write_enable
+ *	set the write enable bit
+ */
+static void ubi32_nand_spi_er_write_enable(void)
+{
+	struct ubicom32_io_port *io = (struct ubicom32_io_port *)FLASH_PORT;
+
+	io->ctl1 &= ~IO_XFL_CTL1_MASK;
+	io->ctl1 |= IO_XFL_CTL1_FC_INST(FLASH_FC_INST_CMD);
+	io->ctl2 = IO_XFL_CTL2_FC_CMD(0x06);
+	FLASH_COMMAND_EXEC(io);
+}
+
+/*
+ * ubi32_nand_spi_er_busywait
+ *	Wait until the chip is not busy
+ */
+static uint8_t ubi32_nand_spi_er_busywait(void)
+{
+	int i;
+	uint8_t data;
+
+	/*
+	 * tRD is 100us, so don't delay too long, however, tERS is
+	 * 10ms so you'd better loop enough.
+	 */
+	for (i = 0; i < 200; i++) {
+		data = ubi32_nand_spi_er_get_feature(0xC0);
+		if (!(data & UBI32_NAND_SPI_ER_STATUS_OIP)) {
+			break;
+		}
+
+		udelay(50);
+	}
+
+	return data;
+}
+
+/*
+ * ubi32_nand_spi_er_erase
+ *	Erase a block, parameters must be block aligned
+ */
+static int ubi32_nand_spi_er_erase(struct mtd_info *mtd, struct erase_info *instr)
+{
+	struct ubi32_nand_spi_er *chip = mtd->priv;
+	int res;
+
+	DEBUG(MTD_DEBUG_LEVEL3, "%s: erase addr:%x len:%x\n", chip->name, instr->addr, instr->len);
+
+	if ((instr->addr + instr->len) > mtd->size) {
+		return -EINVAL;
+	}
+
+	if (instr->addr & (chip->device->erase_size - 1)) {
+		DEBUG(MTD_DEBUG_LEVEL1, "%s: erase address is not aligned %x\n", chip->name, instr->addr);
+		return -EINVAL;
+	}
+
+	if (instr->len & (chip->device->erase_size - 1)) {
+		DEBUG(MTD_DEBUG_LEVEL1, "%s: erase len is not aligned %x\n", chip->name, instr->len);
+		return -EINVAL;
+	}
+
+	mutex_lock(&chip->lock);
+	chip->last_row = UBI32_NAND_SPI_ER_LAST_ROW_INVALID;
+
+	while (instr->len) {
+		uint32_t block = instr->addr >> 17;
+		uint32_t row = block << 6;
+		uint8_t stat;
+		DEBUG(MTD_DEBUG_LEVEL3, "%s: block erase row:%x block:%x addr:%x rem:%x\n", chip->name, row, block, instr->addr, instr->len);
+
+		/*
+		 * Test for bad block
+		 */
+		if (test_bit(block, chip->bbt)) {
+			instr->fail_addr = block << 17;
+			instr->state = MTD_ERASE_FAILED;
+			res = -EBADMSG;
+			goto done;
+		}
+
+		ubi32_nand_spi_er_write_enable();
+
+		/*
+		 * Block erase
+		 */
+		ubi32_nand_spi_er_send_cmd_addr(0xD8, row);
+
+		/*
+		 * Wait
+		 */
+		stat = ubi32_nand_spi_er_busywait();
+		if (stat & UBI32_NAND_SPI_ER_STATUS_OIP) {
+			instr->fail_addr = block << 17;
+			instr->state = MTD_ERASE_FAILED;
+			DEBUG(MTD_DEBUG_LEVEL1, "%s: chip is busy or nonresponsive stat=%02x\n", chip->name, stat);
+
+			/*
+			 * Chip is stuck?
+			 */
+			res = -EIO;
+			goto done;
+		}
+
+		/*
+		 * Check the status register
+		 */
+		if (stat & UBI32_NAND_SPI_ER_STATUS_E_FAIL) {
+			DEBUG(MTD_DEBUG_LEVEL1, "%s: E_FAIL signalled (%02x)\n", chip->name, stat);
+			instr->fail_addr = block << 17;
+			instr->state = MTD_ERASE_FAILED;
+			goto done;
+		}
+
+		/*
+		 * Next
+		 */
+		block++;
+		instr->len -= chip->device->erase_size;
+		instr->addr += chip->device->erase_size;
+	}
+
+	instr->state = MTD_ERASE_DONE;
+
+	mutex_unlock(&chip->lock);
+	return 0;
+
+done:
+	ubi32_nand_spi_er_write_disable();
+
+	mutex_unlock(&chip->lock);
+
+	mtd_erase_callback(instr);
+	return 0;
+}
+
+/*
+ * ubi32_nand_spi_er_read
+ *
+ * return -EUCLEAN: ecc error recovered
+ * return -EBADMSG: ecc error not recovered
+*/
+static int ubi32_nand_spi_er_read(struct mtd_info *mtd, loff_t from, size_t len,
+				  size_t *retlen, u_char *buf)
+{
+	struct ubi32_nand_spi_er *chip = mtd->priv;
+	struct ubicom32_io_port *io = (struct ubicom32_io_port *)FLASH_PORT;
+
+	uint32_t row;
+	uint32_t column;
+	int retval = 0;
+	uint32_t *pbuf = (uint32_t *)buf;
+
+	*retlen = 0;
+	DEBUG(MTD_DEBUG_LEVEL2, "%s: read block from %llx len %d into %p\n", chip->name, from, len, buf);
+
+	/*
+	 * buf should be aligned
+	 */
+	if ((uint32_t)buf & 0x03) {
+		return -EINVAL;
+	}
+
+	/*
+	 * Zero length reads, nothing to do
+	 */
+	if (len == 0) {
+		return 0;
+	}
+
+	/*
+	 * Reject reads which go over the end of the flash
+	 */
+	if ((from + len) > mtd->size) {
+		return -EINVAL;
+	}
+
+	/*
+	 * Get the row and column address to start at
+	 */
+	row = from >> 11;
+	column = from & 0x7FF;
+	DEBUG(MTD_DEBUG_LEVEL3, "%s: row=%x %d column=%x %d last_row=%x %d\n", chip->name, row, row, column, column, chip->last_row, chip->last_row);
+
+	/*
+	 * Read the data from the chip
+	 */
+	mutex_lock(&chip->lock);
+	while (len) {
+		uint8_t stat;
+		size_t toread;
+		int i;
+		int tmp;
+
+		/*
+		 * Figure out how much to read
+		 *
+		 * If we are reading from the middle of a page then the most we
+		 * can read is to the end of the page
+		 */
+		toread = len;
+		if (toread > (chip->device->page_size - column)) {
+			toread = chip->device->page_size - column;
+		}
+
+		DEBUG(MTD_DEBUG_LEVEL3, "%s: buf=%p toread=%x row=%x column=%x last_row=%x\n", chip->name, pbuf, toread, row, column, chip->last_row);
+
+		if (chip->last_row != row) {
+			/*
+			 * Check if the block is bad
+			 */
+			if (test_bit(UBI32_NAND_SPI_ER_BLOCK_FROM_ROW(row), chip->bbt)) {
+				mutex_unlock(&chip->lock);
+				return -EBADMSG;
+			}
+
+			/*
+			 * Load the appropriate page
+			 */
+			ubi32_nand_spi_er_send_cmd_addr(0x13, row);
+
+			/*
+			 * Wait
+			 */
+			stat = ubi32_nand_spi_er_busywait();
+			if (stat & UBI32_NAND_SPI_ER_STATUS_OIP) {
+				DEBUG(MTD_DEBUG_LEVEL1, "%s: chip is busy or nonresponsive stat=%02x\n", chip->name, stat);
+
+				/*
+				 * Chip is stuck?
+				 */
+				mutex_unlock(&chip->lock);
+				return -EIO;
+			}
+
+			/*
+			 * Check the ECC bits
+			 */
+			stat >>= 4;
+			if (stat == 1) {
+				DEBUG(MTD_DEBUG_LEVEL1, "%s: ECC recovered, row=%x\n", chip->name, row);
+				retval = -EUCLEAN;
+			}
+			if (stat == 2) {
+				DEBUG(MTD_DEBUG_LEVEL0, "%s: failed ECC, row=%x\n", chip->name, row);
+				chip->last_row = UBI32_NAND_SPI_ER_LAST_ROW_INVALID;
+				mutex_unlock(&chip->lock);
+				return -EBADMSG;
+			}
+
+		}
+
+		chip->last_row = row;
+
+		/*
+		 * Read out the data:
+		 *	We can always read a little too much since there is the
+		 *	OOB after byte addr 2047.  The most we'll overread is 3 bytes.
+		 */
+		if (((uint32_t)pbuf & 0x03) == 0) {
+			/*
+			 * Aligned read
+			 */
+			tmp = toread & (~0x03);
+			for (i = 0; i < tmp; i += 4) {
+				ubi32_nand_spi_er_send_rd_addr(0x03, column << 8);
+				*pbuf++ = io->status1;
+				column += 4;
+			}
+		} else {
+			/*
+			 * Unaligned read
+			 */
+			tmp = toread & (~0x03);
+			for (i = 0; i < tmp; i += 4) {
+				ubi32_nand_spi_er_send_rd_addr(0x03, column << 8);
+				memcpy(pbuf, &io->status1, 4);
+				column += 4;
+			}
+		}
+
+		/*
+		 * Fill in any single bytes
+		 */
+		tmp = toread & 0x03;
+		if (tmp) {
+			uint8_t *bbuf = pbuf;
+			uint32_t val;
+			ubi32_nand_spi_er_send_rd_addr(0x03, column << 8);
+			val = io->status1;
+			for (i = 0; i < tmp; i++) {
+				*bbuf++ = val >> 24;
+				val <<= 8;
+			}
+		}
+
+		len -= toread;
+		*retlen += toread;
+
+		/*
+		 * For the next page, increment the row and always start at column 0
+		 */
+		column = 0;
+		row++;
+	}
+
+	mutex_unlock(&chip->lock);
+	return retval;
+}
+
+/*
+ * ubi32_nand_spi_er_write
+ */
+#define WRITE_NOT_ALIGNED(x) ((x & (device->write_size - 1)) != 0)
+static int ubi32_nand_spi_er_write(struct mtd_info *mtd, loff_t to, size_t len,
+				   size_t *retlen, const u_char *buf)
+{
+	struct ubi32_nand_spi_er *chip = mtd->priv;
+	const struct ubi32_nand_spi_er_device *device = chip->device;
+	struct ubicom32_io_port *io = (struct ubicom32_io_port *)FLASH_PORT;
+	uint32_t row;
+	uint32_t col;
+	int res = 0;
+	size_t towrite;
+
+	DEBUG(MTD_DEBUG_LEVEL2, "%s: write block to %llx len %d from %p\n", chip->name, to, len, buf);
+
+	*retlen = 0;
+
+	/*
+	 * nothing to write
+	 */
+	if (!len) {
+		return 0;
+	}
+
+	/*
+	 * Reject writes which go over the end of the flash
+	 */
+	if ((to + len) > mtd->size) {
+		return -EINVAL;
+	}
+
+	/*
+	 * buf should be aligned to 16 bits
+	 */
+	if ((uint32_t)buf & 0x01) {
+		return -EINVAL;
+	}
+
+	/*
+	 * Check to see if everything is page aligned
+	 */
+	if (WRITE_NOT_ALIGNED(to) || WRITE_NOT_ALIGNED(len)) {
+		printk(KERN_NOTICE "ubi32_nand_spi_er_write: Attempt to write non page aligned data\n");
+		return -EINVAL;
+	}
+
+	mutex_lock(&chip->lock);
+
+	io->ctl0 |= IO_XFL_CTL0_MCB_LOCK;
+
+	chip->last_row = UBI32_NAND_SPI_ER_LAST_ROW_INVALID;
+
+	/*
+	 * If the first write is a partial write then write at most the number of
+	 * bytes to get us page aligned and then the remainder will be
+	 * page aligned.  The last bit may be a partial page as well.
+	 */
+	col = to & (device->page_size - 1);
+	towrite = device->page_size - col;
+	if (towrite > len) {
+		towrite = len;
+	}
+
+	/*
+	 * Write the data
+	 */
+	row = to >> 11;
+	while (len) {
+		uint8_t stat;
+		uint32_t my_towrite;
+
+		DEBUG(MTD_DEBUG_LEVEL3, "%s: write %p to row:%x col:%x len:%x rem:%x\n", chip->name, buf, row, col, towrite, len);
+
+		ubi32_nand_spi_er_write_enable();
+
+		/*
+		 * Move the data into the cache
+		 */
+		my_towrite = towrite;
+		while (my_towrite) {
+			uint32_t len = my_towrite;
+			if (len > 32) {
+				len = 32;
+			}
+
+			ubi32_nand_spi_er_write_buf(buf, col);
+			buf += len;
+			col += len;
+			my_towrite -= len;
+		}
+
+		/*
+		 * Program execute
+		 */
+		ubi32_nand_spi_er_send_cmd_addr(0x10, row);
+
+		/*
+		 * Wait
+		 */
+		stat = ubi32_nand_spi_er_busywait();
+		if (stat & UBI32_NAND_SPI_ER_STATUS_OIP) {
+			DEBUG(MTD_DEBUG_LEVEL1, "%s: chip is busy or nonresponsive stat=%02x\n", chip->name, stat);
+
+			/*
+			 * Chip is stuck?
+			 */
+			res = -EIO;
+			goto done;
+		}
+
+		if (stat & (1 << 3)) {
+			res = -EBADMSG;
+			goto done;
+		}
+
+		row++;
+		len -= towrite;
+		*retlen += towrite;
+
+		/*
+		 * At this point, we are always page aligned so start at column 0.
+		 * Note we may not have a full page to write at the end, hence the
+		 * check if towrite > len.
+		 */
+		col = 0;
+		towrite = device->page_size;
+		if (towrite > len) {
+			towrite = len;
+		}
+	}
+
+	io->ctl0 &= ~IO_XFL_CTL0_MCB_LOCK;
+
+	mutex_unlock(&chip->lock);
+	return res;
+
+done:
+	ubi32_nand_spi_er_write_disable();
+
+	io->ctl0 &= ~IO_XFL_CTL0_MCB_LOCK;
+
+	mutex_unlock(&chip->lock);
+
+	return res;
+}
+
+/*
+ * ubi32_nand_spi_er_isbad
+ */
+static int ubi32_nand_spi_er_isbad(struct mtd_info *mtd, loff_t ofs)
+{
+	struct ubi32_nand_spi_er *chip = mtd->priv;
+	uint32_t block;
+
+	if (ofs & (chip->device->erase_size - 1)) {
+		DEBUG(MTD_DEBUG_LEVEL1, "%s: address not aligned %llx\n", chip->name, ofs);
+		return -EINVAL;
+	}
+
+	block = ofs >> 17;
+
+	return test_bit(block, chip->bbt);
+}
+
+/*
+ * ubi32_nand_spi_er_markbad
+ */
+static int ubi32_nand_spi_er_markbad(struct mtd_info *mtd, loff_t ofs)
+{
+	struct ubi32_nand_spi_er *chip = mtd->priv;
+	struct ubicom32_io_port *io = (struct ubicom32_io_port *)FLASH_PORT;
+	uint32_t block;
+	uint32_t row;
+	int res = 0;
+	uint8_t stat;
+
+	if (ofs & (chip->device->erase_size - 1)) {
+		DEBUG(MTD_DEBUG_LEVEL1, "%s: address not aligned %llx\n", chip->name, ofs);
+		return -EINVAL;
+	}
+
+	block = ofs >> 17;
+
+	/*
+	 * If it's already marked bad, no need to mark it
+	 */
+	if (test_bit(block, chip->bbt)) {
+		return 0;
+	}
+
+	/*
+	 * Mark it in our cache
+	 */
+	__set_bit(block, chip->bbt);
+
+	/*
+	 * Write the user bad block mark.  If it fails, then we really
+	 * can't do anything about it.
+	 */
+	mutex_lock(&chip->lock);
+	chip->last_row = UBI32_NAND_SPI_ER_LAST_ROW_INVALID;
+
+	ubi32_nand_spi_er_write_enable();
+
+	/*
+	 * Write the mark
+	 */
+	io->ctl0 |= IO_XFL_CTL0_MCB_LOCK;
+	io->ctl1 &= ~IO_XFL_CTL1_MASK;
+	io->ctl1 |= IO_XFL_CTL1_FC_INST(FLASH_FC_INST_WR) | IO_XFL_CTL1_FC_DATA(6);
+	io->ctl2 = IO_XFL_CTL2_FC_CMD(0x84);
+
+	asm volatile (
+		"	bset		"D(IO_INT_SET)"(%[port]), #0, #%%bit("D(IO_PORTX_INT_FIFO_TX_RESET)")	\n\t"
+		"	pipe_flush	0									\n\t"
+
+		/*
+		 * Move the data into the FIFO
+		 */
+		"	move.4		"D(IO_TX_FIFO)"(%[port]), %[word1]					\n\t"
+		"	move.4		"D(IO_TX_FIFO)"(%[port]), %[word2]					\n\t"
+
+		/*
+		 * Kick off the flash command
+		 */
+		"	bset	"D(IO_INT_CLR)"(%[port]), #0, #%%bit("D(IO_XFL_INT_DONE)")			\n\t"
+		"	jmpt.t	.+4										\n\t"
+		"	bset	"D(IO_INT_SET)"(%[port]), #0, #%%bit("D(IO_XFL_INT_START)")			\n\t"
+
+		/*
+		 * Wait for the transaction to finish
+		 */
+		"	btst	"D(IO_INT_STATUS)"(%[port]), #%%bit("D(IO_XFL_INT_DONE)")			\n\t"
+		"	jmpeq.f	.-4										\n\t"
+
+		:
+		: [word1] "d" (0x0800dead | (UBI32_NAND_SPI_ER_BAD_BLOCK_MARK_OFFSET << 16)),
+		  [word2] "d" (0xbeef0000),
+		  [port] "a" (FLASH_PORT)
+		: "cc"
+	);
+
+	io->ctl0 &= ~IO_XFL_CTL0_MCB_LOCK;
+
+	/*
+	 * Program execute
+	 */
+	row = block << 6;
+	ubi32_nand_spi_er_send_cmd_addr(0x10, row);
+
+	/*
+	 * Wait
+	 */
+	stat = ubi32_nand_spi_er_busywait();
+	if (stat & UBI32_NAND_SPI_ER_STATUS_OIP) {
+		DEBUG(MTD_DEBUG_LEVEL1, "%s: chip is busy or nonresponsive stat=%02x\n", chip->name, stat);
+
+		/*
+		 * Chip is stuck?
+		 */
+		res = -EIO;
+		goto done;
+	}
+
+	if (stat & (1 << 3)) {
+		res = -EBADMSG;
+	}
+
+done:
+	ubi32_nand_spi_er_write_disable();
+
+	mutex_unlock(&chip->lock);
+
+	return res;
+}
+
+/*
+ * ubi32_nand_spi_er_read_bbt
+ */
+static int ubi32_nand_spi_er_read_bbt(struct ubi32_nand_spi_er *chip)
+{
+	int j;
+	struct ubicom32_io_port *io = (struct ubicom32_io_port *)FLASH_PORT;
+
+	for (j = 0; j < chip->device->blocks; j++) {
+		unsigned short row = j << 6;
+		uint8_t stat;
+
+		/*
+		 * Read Page
+		 */
+		ubi32_nand_spi_er_send_cmd_addr(0x13, row);
+
+		/*
+		 * Wait
+		 */
+		stat = ubi32_nand_spi_er_busywait();
+		if (stat & UBI32_NAND_SPI_ER_STATUS_OIP) {
+			DEBUG(MTD_DEBUG_LEVEL1, "%s: chip is busy or nonresponsive stat=%02x\n", chip->name, stat);
+
+			/*
+			 * Chip is stuck?
+			 */
+			return -EIO;
+		}
+
+		/*
+		 * Check factory bad block mark
+		 */
+		ubi32_nand_spi_er_send_rd_addr(0x03, 0x080000);
+
+		if ((io->status1 >> 24) != 0xFF) {
+			chip->nbb++;
+			__set_bit(j, chip->bbt);
+			continue;
+		}
+
+		ubi32_nand_spi_er_send_rd_addr(0x03, 0x080000 | (UBI32_NAND_SPI_ER_BAD_BLOCK_MARK_OFFSET << 8));
+		if (io->status1 == 0xdeadbeef) {
+			chip->nbb++;
+			__set_bit(j, chip->bbt);
+		}
+	}
+
+#if defined(CONFIG_MTD_DEBUG) && (MTD_DEBUG_LEVEL3 <= CONFIG_MTD_DEBUG_VERBOSE)
+	printk("%s: Bad Block Table:", chip->name);
+	for (j = 0; j < chip->device->blocks; j++) {
+		if ((j % 64) == 0) {
+			printk("\n%s: block %03x: ", chip->name, j);
+		}
+		printk("%c", test_bit(j, chip->bbt) ? 'X' : '.');
+	}
+	printk("\n%s: Bad Block Numbers: ", chip->name);
+	for (j = 0; j < chip->device->blocks; j++) {
+		if (test_bit(j, chip->bbt)) {
+			printk("%x ", j);
+		}
+	}
+	printk("\n");
+#endif
+
+	return 0;
+}
+
+#ifndef MODULE
+/*
+ * Called at boot time:
+ *
+ * ubi32_nand_spi_er=read_only
+ *	if read_only specified then do not unlock device
+ */
+static int __init ubi32_nand_spi_er_setup(char *str)
+{
+	if (str && (strncasecmp(str, "read_only", 9) == 0)) {
+		read_only = 1;
+	}
+	return 0;
+}
+
+__setup("ubi32_nand_spi_er=", ubi32_nand_spi_er_setup);
+#endif
+
+/*
+ * ubi32_nand_spi_er_probe
+ *	Detect and initialize ubi32_nand_spi_er device.
+ */
+static int __devinit ubi32_nand_spi_er_probe(struct platform_device *pdev)
+{
+	uint32_t i;
+	uint32_t id;
+	int res;
+	size_t bbt_bytes;
+	struct ubi32_nand_spi_er *chip;
+	const struct ubi32_nand_spi_er_device *device;
+	struct ubicom32_io_port *io = (struct ubicom32_io_port *)FLASH_PORT;
+
+	/*
+	 * Reset
+	 */
+	for (i = 0; i < 2; i++) {
+		io->ctl1 &= ~IO_XFL_CTL1_MASK;
+		io->ctl1 |= IO_XFL_CTL1_FC_INST(FLASH_FC_INST_CMD);
+		io->ctl2 = IO_XFL_CTL2_FC_CMD(0xFF);
+		FLASH_COMMAND_EXEC(io);
+		udelay(250);
+	}
+	udelay(1000);
+
+	/*
+	 * Read out ID
+	 */
+	io->ctl1 &= ~IO_XFL_CTL1_MASK;
+	io->ctl1 |= IO_XFL_CTL1_FC_INST(FLASH_FC_INST_RD) | IO_XFL_CTL1_FC_DATA(2) |
+		    IO_XFL_CTL1_FC_ADDR;
+	io->ctl2 = IO_XFL_CTL2_FC_CMD(0x9F);
+	FLASH_COMMAND_EXEC(io);
+
+	id = io->status1 >> 16;
+	device = ubi32_nand_spi_er_devices;
+	for (i = 0; i < ARRAY_SIZE(ubi32_nand_spi_er_devices); i++) {
+		if (device->id == id) {
+			break;
+		}
+		device++;
+	}
+	if (i == ARRAY_SIZE(ubi32_nand_spi_er_devices)) {
+		return -ENODEV;
+	}
+
+	/*
+	 * Initialize our chip structure
+	 */
+	bbt_bytes = DIV_ROUND_UP(device->blocks, BITS_PER_BYTE);
+	chip = kzalloc(sizeof(struct ubi32_nand_spi_er) + bbt_bytes, GFP_KERNEL);
+	if (!chip) {
+		return -ENOMEM;
+	}
+	snprintf(chip->name, sizeof(chip->name), "%s", device->name);
+
+	chip->device = device;
+	chip->last_row = UBI32_NAND_SPI_ER_LAST_ROW_INVALID;
+
+	mutex_init(&chip->lock);
+
+	chip->mtd.type = MTD_NANDFLASH;
+	chip->mtd.flags = MTD_WRITEABLE;
+
+	/*
+	 * #blocks * block size * n blocks
+	 */
+	chip->mtd.size = device->blocks * device->pages_per_block * device->page_size;
+	chip->mtd.erasesize = device->erase_size;
+
+	/*
+	 * 1 page, optionally we can support partial write (512)
+	 */
+	chip->mtd.writesize = device->write_size;
+	chip->mtd.name = device->name;
+	chip->mtd.erase = ubi32_nand_spi_er_erase;
+	chip->mtd.read = ubi32_nand_spi_er_read;
+	chip->mtd.write = ubi32_nand_spi_er_write;
+	chip->mtd.block_isbad = ubi32_nand_spi_er_isbad;
+	chip->mtd.block_markbad = ubi32_nand_spi_er_markbad;
+	chip->mtd.priv = chip;
+
+	/*
+	 * Cache the bad block table
+	 */
+	res = ubi32_nand_spi_er_read_bbt(chip);
+	if (res) {
+		kfree(chip);
+		return res;
+	}
+
+	/*
+	 * Un/lock the chip
+	 */
+	io->ctl0 |= IO_XFL_CTL0_MCB_LOCK;
+	io->ctl1 &= ~IO_XFL_CTL1_MASK;
+	io->ctl1 |= IO_XFL_CTL1_FC_INST(FLASH_FC_INST_WR) | IO_XFL_CTL1_FC_DATA(2);
+	io->ctl2 = IO_XFL_CTL2_FC_CMD(0x1F);
+
+	if (read_only) {
+		i = 0xa0380000;
+	} else {
+		i = 0xa0000000;
+	}
+	asm volatile (
+		"	bset		"D(IO_INT_SET)"(%[port]), #0, #%%bit("D(IO_PORTX_INT_FIFO_TX_RESET)")	\n\t"
+		"	pipe_flush	0									\n\t"
+
+		/*
+		 * Move the data into the FIFO
+		 */
+		"	move.4		"D(IO_TX_FIFO)"(%[port]), %[word1]					\n\t"
+
+		/*
+		 * Kick off the flash command
+		 */
+		"	bset	"D(IO_INT_CLR)"(%[port]), #0, #%%bit("D(IO_XFL_INT_DONE)")			\n\t"
+		"	jmpt.t	.+4										\n\t"
+		"	bset	"D(IO_INT_SET)"(%[port]), #0, #%%bit("D(IO_XFL_INT_START)")			\n\t"
+
+		/*
+		 * Wait for the transaction to finish
+		 */
+		"	btst	"D(IO_INT_STATUS)"(%[port]), #%%bit("D(IO_XFL_INT_DONE)")			\n\t"
+		"	jmpeq.f	.-4										\n\t"
+
+		:
+		: [word1] "d" (i),
+		  [port] "a" (FLASH_PORT)
+		: "cc"
+	);
+	io->ctl0 &= ~IO_XFL_CTL0_MCB_LOCK;
+
+	dev_set_drvdata(&pdev->dev, chip);
+
+	printk(KERN_INFO "%s: added device size: %u KBytes %lu bad blocks %s\n", chip->mtd.name, DIV_ROUND_UP(chip->mtd.size, 1024), chip->nbb, read_only ? "[read only]" : "");
+	return add_mtd_device(&chip->mtd);
+}
+
+/*
+ * ubi32_nand_spi_er_remove
+ */
+static int __devexit ubi32_nand_spi_er_remove(struct platform_device *pdev)
+{
+	struct ubi32_nand_spi_er *chip = dev_get_drvdata(&pdev->dev);
+	int status;
+
+	DEBUG(MTD_DEBUG_LEVEL1, "%s: remove\n", chip->name);
+
+	status = del_mtd_device(&chip->mtd);
+	if (status == 0) {
+		kfree(chip);
+	}
+
+	dev_set_drvdata(&pdev->dev, NULL);
+	return status;
+}
+
+static struct platform_device *ubi32_nand_spi_er_device;
+
+static struct platform_driver ubi32_nand_spi_er_driver = {
+	.driver = {
+		.name		= DRIVER_NAME,
+		.owner		= THIS_MODULE,
+	},
+
+	.probe		= ubi32_nand_spi_er_probe,
+	.remove		= ubi32_nand_spi_er_remove,
+};
+
+/*
+ * ubi32_nand_spi_er_init
+ */
+static int __init ubi32_nand_spi_er_init(void)
+{
+	int ret;
+
+	ret = platform_driver_register(&ubi32_nand_spi_er_driver);
+
+	if (ret) {
+		return ret;
+	}
+
+	ubi32_nand_spi_er_device = platform_device_alloc(DRIVER_NAME, 0);
+	if (!ubi32_nand_spi_er_device) {
+		return -ENOMEM;
+	}
+
+	ret = platform_device_add(ubi32_nand_spi_er_device);
+	if (ret) {
+		platform_device_put(ubi32_nand_spi_er_device);
+		platform_driver_unregister(&ubi32_nand_spi_er_driver);
+	}
+
+	return ret;
+}
+module_init(ubi32_nand_spi_er_init);
+
+/*
+ * ubi32_nand_spi_er_exit
+ */
+static void __exit ubi32_nand_spi_er_exit(void)
+{
+	platform_device_unregister(ubi32_nand_spi_er_device);
+	platform_driver_unregister(&ubi32_nand_spi_er_driver);
+}
+module_exit(ubi32_nand_spi_er_exit);
+
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Patrick Tjin");
+MODULE_DESCRIPTION("MTD ubi32_nand_spi_er driver for ubicom32 SPI flash controller.");
diff -ruN linux-2.6.30.10/drivers/net/Kconfig linux-2.6.30.10-ubi/drivers/net/Kconfig
--- linux-2.6.30.10/drivers/net/Kconfig	2009-12-14 11:47:19.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/net/Kconfig	2009-12-14 11:47:17.000000000 +0200
@@ -2540,6 +2540,19 @@
 	  To compile this driver as a module, choose M here. The module
 	  will be called jme.
 
+config UBICOM32_GMAC
+	tristate "Ubicom Gigabit Ethernet support"
+	depends on UBICOM32
+	help
+	  Gigabit Ethernet support for ubicom32 processors
+
+config UBICOM32_OCM_FOR_SKB
+        bool  "USE OCM for SKB (EXPERIMENTAL)"
+        depends on UBICOM32_GMAC
+	default n
+        help
+          Allocate skb from OCM for Ethernet Receive when possible
+
 endif # NETDEV_1000
 
 #
diff -ruN linux-2.6.30.10/drivers/net/Makefile linux-2.6.30.10-ubi/drivers/net/Makefile
--- linux-2.6.30.10/drivers/net/Makefile	2009-12-14 11:48:38.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/net/Makefile	2009-12-14 11:48:40.000000000 +0200
@@ -272,3 +272,5 @@
 obj-$(CONFIG_SFC) += sfc/
 
 obj-$(CONFIG_WIMAX) += wimax/
+
+obj-$(CONFIG_UBICOM32_GMAC) += ubi32-eth.o
diff -ruN linux-2.6.30.10/drivers/net/ubi32-eth.c linux-2.6.30.10-ubi/drivers/net/ubi32-eth.c
--- linux-2.6.30.10/drivers/net/ubi32-eth.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/net/ubi32-eth.c	2009-12-11 11:45:18.000000000 +0200
@@ -0,0 +1,760 @@
+/*
+ * drivers/net/ubi32-eth.c
+ *   Ubicom32 ethernet TIO interface driver.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+/*
+ * ubi32_eth.c
+ * Ethernet driver for Ip5k/Ip7K
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/moduleparam.h>
+
+#include <linux/sched.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+
+#include <linux/in.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/mii.h>
+#include <linux/if_vlan.h>
+#include <linux/ip.h>
+#include <linux/tcp.h>
+#include <linux/skbuff.h>
+#include <asm/checksum.h>
+#include <asm/ip5000.h>
+#include <asm/devtree.h>
+#include <asm/system.h>
+
+#define UBICOM32_USE_NAPI	/* define this to use NAPI instead of tasklet */
+//#define UBICOM32_USE_POLLING	/* define this to use polling instead of interrupt */
+#include "ubi32-eth.h"
+
+/*
+ * TODO:
+ * mac address from flash
+ * multicast filter
+ * ethtool support
+ * sysfs support
+ * skb->nrfrag support
+ * ioctl
+ * monitor phy status
+ */
+
+extern int ubi32_ocm_skbuf_max, ubi32_ocm_skbuf, ubi32_ddr_skbuf;
+static const char *eth_if_name[UBI32_ETH_NUM_OF_DEVICES] =
+	{"eth_lan", "eth_wan"};
+static struct net_device *ubi32_eth_devices[UBI32_ETH_NUM_OF_DEVICES] =
+	{NULL, NULL};
+static u8_t mac_addr[UBI32_ETH_NUM_OF_DEVICES][ETH_ALEN] = {
+	{0x00, 0x03, 0x64, 'l', 'a', 'n'},
+	{0x00, 0x03, 0x64, 'w', 'a', 'n'}};
+
+#if (defined(CONFIG_ZONE_DMA) && defined(CONFIG_UBICOM32_OCM_FOR_SKB))
+static inline struct sk_buff *ubi32_alloc_skb_ocm(struct net_device *dev, unsigned int length)
+{
+	return __dev_alloc_skb(length, GFP_ATOMIC | __GFP_NOWARN | __GFP_NORETRY | GFP_DMA);
+}
+#endif
+
+static inline struct sk_buff *ubi32_alloc_skb(struct net_device *dev, unsigned int length)
+{
+	return __dev_alloc_skb(length, GFP_ATOMIC | __GFP_NOWARN);
+}
+
+static void ubi32_eth_vp_rxtx_enable(struct net_device *dev)
+{
+	struct ubi32_eth_private *priv = netdev_priv(dev);
+	priv->regs->command = UBI32_ETH_VP_CMD_RX_ENABLE | UBI32_ETH_VP_CMD_TX_ENABLE;
+	priv->regs->int_mask = (UBI32_ETH_VP_INT_RX | UBI32_ETH_VP_INT_TX);
+	ubicom32_set_interrupt(priv->vp_int_bit);
+}
+
+static void ubi32_eth_vp_rxtx_stop(struct net_device *dev)
+{
+	struct ubi32_eth_private *priv = netdev_priv(dev);
+	priv->regs->command = 0;
+	priv->regs->int_mask = 0;
+	ubicom32_set_interrupt(priv->vp_int_bit);
+
+	/* Wait for graceful shutdown */
+	while (priv->regs->status & (UBI32_ETH_VP_STATUS_RX_STATE | UBI32_ETH_VP_STATUS_TX_STATE));
+}
+
+/*
+ * ubi32_eth_tx_done()
+ */
+static int ubi32_eth_tx_done(struct net_device *dev)
+{
+	struct ubi32_eth_private *priv;
+	struct sk_buff *skb;
+	volatile void *pdata;
+	struct ubi32_eth_dma_desc *desc;
+	u32_t 	count = 0;
+
+	priv = netdev_priv(dev);
+
+	priv->regs->int_status &= ~UBI32_ETH_VP_INT_TX;
+	while (priv->tx_tail != priv->regs->tx_out) {
+		pdata = priv->regs->tx_dma_ring[priv->tx_tail];
+		BUG_ON(pdata == NULL);
+
+		skb = container_of((void *)pdata, struct sk_buff, cb);
+		desc = (struct ubi32_eth_dma_desc *)pdata;
+		if (unlikely(!(desc->status & UBI32_ETH_VP_TX_OK))) {
+			dev->stats.tx_errors++;
+		} else {
+			dev->stats.tx_packets++;
+			dev->stats.tx_bytes += skb->len;
+		}
+		dev_kfree_skb_any(skb);
+		priv->regs->tx_dma_ring[priv->tx_tail] = NULL;
+		priv->tx_tail = (priv->tx_tail + 1) & TX_DMA_RING_MASK;
+		count++;
+	}
+
+	if (unlikely(priv->regs->status & UBI32_ETH_VP_STATUS_TX_Q_FULL)) {
+		spin_lock(&priv->lock);
+		if (priv->regs->status & UBI32_ETH_VP_STATUS_TX_Q_FULL) {
+			priv->regs->status &= ~UBI32_ETH_VP_STATUS_TX_Q_FULL;
+			netif_wake_queue(dev);
+		}
+		spin_unlock(&priv->lock);
+	}
+	return count;
+}
+
+/*
+ * ubi32_eth_receive()
+ *	To avoid locking overhead, this is called only
+ *	by tasklet when not using NAPI, or
+ *	by NAPI poll when using NAPI.
+ *	return number of frames processed
+ */
+static int ubi32_eth_receive(struct net_device *dev, int quota)
+{
+	struct ubi32_eth_private *priv = netdev_priv(dev);
+	unsigned short rx_in = priv->regs->rx_in;
+	struct sk_buff *skb;
+	struct ubi32_eth_dma_desc *desc = NULL;
+	volatile void *pdata;
+
+	int extra_reserve_adj;
+	int extra_alloc = UBI32_ETH_RESERVE_SPACE + UBI32_ETH_TRASHED_MEMORY;
+	int replenish_cnt, count = 0;
+	int replenish_max = RX_DMA_MAX_QUEUE_SIZE;
+#if (defined(CONFIG_ZONE_DMA) && defined(CONFIG_UBICOM32_OCM_FOR_SKB))
+	if (likely(dev == ubi32_eth_devices[0]))
+		replenish_max = min(ubi32_ocm_skbuf_max, RX_DMA_MAX_QUEUE_SIZE);;
+#endif
+
+	if (unlikely(rx_in == priv->regs->rx_out))
+		priv->vp_stats.rx_q_full_cnt++;
+
+	priv->regs->int_status &= ~UBI32_ETH_VP_INT_RX;
+	while (priv->rx_tail != priv->regs->rx_out) {
+		if (unlikely(count == quota)) {
+			/* There is still frame pending to be processed */
+			priv->vp_stats.rx_throttle++;
+			break;
+		}
+
+		pdata = priv->regs->rx_dma_ring[priv->rx_tail];
+		BUG_ON(pdata == NULL);
+
+		desc = (struct ubi32_eth_dma_desc *)pdata;
+		skb = container_of((void *)pdata, struct sk_buff, cb);
+		count++;
+		priv->regs->rx_dma_ring[priv->rx_tail] = NULL;
+		priv->rx_tail = ((priv->rx_tail + 1) & RX_DMA_RING_MASK);
+
+		/*
+		 * Check only RX_OK bit here.
+		 * The rest of status word is used as timestamp
+		 */
+		if (unlikely(!(desc->status & UBI32_ETH_VP_RX_OK))) {
+			dev->stats.rx_errors++;
+			dev_kfree_skb_any(skb);
+			continue;
+		}
+
+		skb_put(skb, desc->data_len);
+		skb->dev = dev;
+		skb->protocol = eth_type_trans(skb, dev);
+		skb->ip_summed = CHECKSUM_NONE;
+		dev->stats.rx_bytes += skb->len;
+		dev->stats.rx_packets++;
+#ifndef UBICOM32_USE_NAPI
+		netif_rx(skb);
+#else
+		netif_receive_skb(skb);
+#endif
+	}
+
+	/* fill in more descripor for VP*/
+	replenish_cnt =  replenish_max -
+		((RX_DMA_RING_SIZE + rx_in - priv->rx_tail) & RX_DMA_RING_MASK);
+	if (replenish_cnt > 0) {
+#if (defined(CONFIG_ZONE_DMA) && defined(CONFIG_UBICOM32_OCM_FOR_SKB))
+		/*
+		 * black magic for perforamnce:
+		 *   Try to allocate skb from OCM only for first Ethernet I/F.
+		 *   Also limit number of RX buffers to 21 due to limited OCM.
+		 */
+		if (likely(dev == ubi32_eth_devices[0])) {
+			do {
+				skb = ubi32_alloc_skb_ocm(dev, RX_BUF_SIZE + extra_alloc);
+				if (!skb) {
+					break;
+				}
+				/* set up dma descriptor */
+				ubi32_ocm_skbuf++;
+				desc = (struct ubi32_eth_dma_desc *)skb->cb;
+				extra_reserve_adj =
+					((u32)skb->data + UBI32_ETH_RESERVE_SPACE + ETH_HLEN) &
+					(CACHE_LINE_SIZE - 1);
+				skb_reserve(skb, UBI32_ETH_RESERVE_SPACE - extra_reserve_adj);
+				desc->data_pointer = skb->data;
+				desc->buffer_len = RX_BUF_SIZE + UBI32_ETH_TRASHED_MEMORY;
+				desc->data_len = 0;
+				desc->status = 0;
+				priv->regs->rx_dma_ring[rx_in] = desc;
+				rx_in = (rx_in + 1) & RX_DMA_RING_MASK;
+			} while (--replenish_cnt > 0);
+		}
+#endif
+
+		while (replenish_cnt-- > 0) {
+			skb = ubi32_alloc_skb(dev, RX_BUF_SIZE + extra_alloc);
+			if (!skb) {
+				priv->vp_stats.rx_alloc_err++;
+				break;
+			}
+			/* set up dma descriptor */
+			ubi32_ddr_skbuf++;
+			desc = (struct ubi32_eth_dma_desc *)skb->cb;
+			extra_reserve_adj =
+				((u32)skb->data + UBI32_ETH_RESERVE_SPACE + ETH_HLEN) &
+				(CACHE_LINE_SIZE - 1);
+			skb_reserve(skb, UBI32_ETH_RESERVE_SPACE - extra_reserve_adj);
+			desc->data_pointer = skb->data;
+			desc->buffer_len = RX_BUF_SIZE + UBI32_ETH_TRASHED_MEMORY;
+			desc->data_len = 0;
+			desc->status = 0;
+			priv->regs->rx_dma_ring[rx_in] = desc;
+			rx_in = (rx_in + 1) & RX_DMA_RING_MASK;
+		}
+
+		wmb();
+		priv->regs->rx_in = rx_in;
+		ubicom32_set_interrupt(priv->vp_int_bit);
+	}
+
+	if (likely(count > 0)) {
+		dev->last_rx = jiffies;
+	}
+	return count;
+}
+
+#ifdef UBICOM32_USE_NAPI
+static int ubi32_eth_napi_poll(struct napi_struct *napi, int budget)
+{
+	struct ubi32_eth_private *priv = container_of(napi, struct ubi32_eth_private, napi);
+	struct net_device *dev = priv->dev;
+	u32_t count;
+
+	if (priv->tx_tail != priv->regs->tx_out) {
+                ubi32_eth_tx_done(dev);
+        }
+
+	count = ubi32_eth_receive(dev, budget);
+
+	if (count < budget) {
+		napi_complete(napi);
+		priv->regs->int_mask |= (UBI32_ETH_VP_INT_RX | UBI32_ETH_VP_INT_TX);
+		if ((priv->rx_tail != priv->regs->rx_out) || (priv->tx_tail != priv->regs->tx_out)) {
+			if (napi_reschedule(napi)) {
+				priv->regs->int_mask = 0;
+			}
+		}
+	}
+	return count;
+}
+
+#else
+static void ubi32_eth_do_tasklet(unsigned long arg)
+{
+	struct net_device *dev = (struct net_device *)arg;
+	struct ubi32_eth_private *priv = netdev_priv(dev);
+
+	if (priv->tx_tail != priv->regs->tx_out) {
+		ubi32_eth_tx_done(dev);
+	}
+
+	/* always call receive to process new RX frame as well as replenish RX buffers */
+	ubi32_eth_receive(dev, UBI32_RX_BOUND);
+
+	priv->regs->int_mask |= (UBI32_ETH_VP_INT_RX | UBI32_ETH_VP_INT_TX);
+	if ((priv->rx_tail != priv->regs->rx_out) || (priv->tx_tail != priv->regs->tx_out)) {
+		priv->regs->int_mask = 0;
+		tasklet_schedule(&priv->tsk);
+	}
+}
+#endif
+
+#if defined(UBICOM32_USE_POLLING)
+static struct timer_list eth_poll_timer;
+
+static void ubi32_eth_poll(unsigned long arg)
+{
+	struct net_device *dev;
+	struct ubi32_eth_private *priv;
+	int i;
+
+	for (i = 0; i < UBI32_ETH_NUM_OF_DEVICES; i++) {
+		dev = ubi32_eth_devices[i];
+		if (dev && (dev->flags & IFF_UP)) {
+			priv = netdev_priv(dev);
+#ifdef UBICOM32_USE_NAPI
+			napi_schedule(&priv->napi);
+#else
+			tasklet_schedule(&priv->tsk);
+#endif
+		}
+	}
+
+	eth_poll_timer.expires = jiffies + 2;
+	add_timer(&eth_poll_timer);
+}
+
+#else
+static irqreturn_t ubi32_eth_interrupt(int irq, void *dev_id)
+{
+	struct ubi32_eth_private *priv;
+
+	struct net_device *dev = (struct net_device *)dev_id;
+	BUG_ON(irq != dev->irq);
+
+	priv = netdev_priv(dev);
+	if (unlikely(!(priv->regs->int_status & priv->regs->int_mask))) {
+		return IRQ_NONE;
+	}
+
+	/*
+	 * Disable port interrupt
+	 */
+#ifdef UBICOM32_USE_NAPI
+	if (napi_schedule_prep(&priv->napi)) {
+		priv->regs->int_mask = 0;
+		__napi_schedule(&priv->napi);
+	}
+#else
+	priv->regs->int_mask = 0;
+	tasklet_schedule(&priv->tsk);
+#endif
+	return IRQ_HANDLED;
+}
+#endif
+
+/*
+ * ubi32_eth_open
+ */
+static int ubi32_eth_open(struct net_device *dev)
+{
+	struct ubi32_eth_private *priv = netdev_priv(dev);
+	int err;
+
+	printk(KERN_INFO "eth open %s\n",dev->name);
+#ifndef UBICOM32_USE_POLLING
+	/* request_region() */
+	err = request_irq(dev->irq, ubi32_eth_interrupt, IRQF_DISABLED, dev->name, dev);
+	if (err) {
+		printk(KERN_WARNING "fail to request_irq %d\n",err);
+		 return -ENODEV;
+	}
+#endif
+#ifdef  UBICOM32_USE_NAPI
+	napi_enable(&priv->napi);
+#else
+	tasklet_init(&priv->tsk, ubi32_eth_do_tasklet, (unsigned long)dev);
+#endif
+
+	/* call receive to supply RX buffers */
+	ubi32_eth_receive(dev, RX_DMA_MAX_QUEUE_SIZE);
+
+	/* check phy status and call netif_carrier_on */
+	ubi32_eth_vp_rxtx_enable(dev);
+	netif_start_queue(dev);
+	return 0;
+}
+
+static int ubi32_eth_close(struct net_device *dev)
+{
+	struct ubi32_eth_private *priv = netdev_priv(dev);
+	volatile void *pdata;
+	struct sk_buff *skb;
+
+#ifndef UBICOM32_USE_POLLING
+	free_irq(dev->irq, dev);
+#endif
+	netif_stop_queue(dev); /* can't transmit any more */
+#ifdef UBICOM32_USE_NAPI
+	napi_disable(&priv->napi);
+#else
+	tasklet_kill(&priv->tsk);
+#endif
+	ubi32_eth_vp_rxtx_stop(dev);
+
+	/*
+	 * RX clean up
+	 */
+	while (priv->rx_tail != priv->regs->rx_in) {
+		pdata = priv->regs->rx_dma_ring[priv->rx_tail];
+		skb = container_of((void *)pdata, struct sk_buff, cb);
+		priv->regs->rx_dma_ring[priv->rx_tail] = NULL;
+		dev_kfree_skb_any(skb);
+		priv->rx_tail = ((priv->rx_tail + 1) & RX_DMA_RING_MASK);
+	}
+	priv->regs->rx_in = 0;
+	priv->regs->rx_out = priv->regs->rx_in;
+	priv->rx_tail = priv->regs->rx_in;
+
+	/*
+	 * TX clean up
+	 */
+	BUG_ON(priv->regs->tx_out != priv->regs->tx_in);
+	ubi32_eth_tx_done(dev);
+	BUG_ON(priv->tx_tail != priv->regs->tx_in);
+	priv->regs->tx_in = 0;
+	priv->regs->tx_out = priv->regs->tx_in;
+	priv->tx_tail = priv->regs->tx_in;
+
+	return 0;
+}
+
+/*
+ * ubi32_eth_set_config
+ */
+static int ubi32_eth_set_config(struct net_device *dev, struct ifmap *map)
+{
+	/* if must to down to config it */
+	printk(KERN_INFO "set_config %x\n", dev->flags);
+	if (dev->flags & IFF_UP)
+		return -EBUSY;
+
+	/* I/O and IRQ can not be changed */
+	if (map->base_addr != dev->base_addr) {
+		printk(KERN_WARNING "%s: Can't change I/O address\n", dev->name);
+		return -EOPNOTSUPP;
+	}
+
+#ifndef UBICOM32_USE_POLLING
+	if (map->irq != dev->irq) {
+		printk(KERN_WARNING "%s: Can't change IRQ\n", dev->name);
+		return -EOPNOTSUPP;
+	}
+#endif
+
+	/* ignore other fields */
+	return 0;
+}
+
+static int ubi32_eth_start_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+	struct ubi32_eth_private *priv = netdev_priv(dev);
+	struct ubi32_eth_dma_desc *desc = NULL;
+	unsigned short space, tx_in;
+
+	tx_in = priv->regs->tx_in;
+
+	dev->trans_start = jiffies; /* save the timestamp */
+	space = TX_DMA_RING_MASK - ((TX_DMA_RING_SIZE + tx_in - priv->tx_tail) & TX_DMA_RING_MASK);
+
+	if (unlikely(space == 0)) {
+		if (!(priv->regs->status & UBI32_ETH_VP_STATUS_TX_Q_FULL)) {
+			spin_lock(&priv->lock);
+			if (!(priv->regs->status & UBI32_ETH_VP_STATUS_TX_Q_FULL)) {
+				priv->regs->status |= UBI32_ETH_VP_STATUS_TX_Q_FULL;
+				priv->vp_stats.tx_q_full_cnt++;
+				netif_stop_queue(dev);
+			}
+			spin_unlock(&priv->lock);
+		}
+
+		/* give both HW and this driver an extra trigger */
+		priv->regs->int_mask |= UBI32_ETH_VP_INT_TX;
+#ifndef UBICOM32_USE_POLLING
+		ubicom32_set_interrupt(dev->irq);
+#endif
+		ubicom32_set_interrupt(priv->vp_int_bit);
+
+		return NETDEV_TX_BUSY;
+	}
+
+	/*still have room */
+	desc = (struct ubi32_eth_dma_desc *)skb->cb;
+	desc->data_pointer = skb->data;
+	desc->data_len = skb->len;
+	priv->regs->tx_dma_ring[tx_in] = desc;
+	tx_in = ((tx_in + 1) & TX_DMA_RING_MASK);
+	wmb();
+	priv->regs->tx_in = tx_in;
+	/* kick the HRT */
+	ubicom32_set_interrupt(priv->vp_int_bit);
+
+	return NETDEV_TX_OK;
+}
+
+/*
+ * Deal with a transmit timeout.
+ */
+static void ubi32_eth_tx_timeout (struct net_device *dev)
+{
+	struct ubi32_eth_private *priv = netdev_priv(dev);
+	dev->stats.tx_errors++;
+	priv->regs->int_mask |= UBI32_ETH_VP_INT_TX;
+#ifndef UBICOM32_USE_POLLING
+	ubicom32_set_interrupt(dev->irq);
+#endif
+	ubicom32_set_interrupt(priv->vp_int_bit);
+}
+
+static int ubi32_eth_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+{
+	struct ubi32_eth_private *priv = netdev_priv(dev);
+	struct mii_ioctl_data *data = if_mii(rq);
+
+	printk(KERN_INFO "ioctl %s, %d\n", dev->name, cmd);
+	switch (cmd) {
+	case SIOCGMIIPHY:
+		data->phy_id = 0;
+		break;
+
+	case SIOCGMIIREG:
+		if ((data->reg_num & 0x1F) == MII_BMCR) {
+			/* Make up MII control register value from what we know */
+			data->val_out = 0x0000
+			| ((priv->regs->status & UBI32_ETH_VP_STATUS_DUPLEX)
+					? BMCR_FULLDPLX : 0)
+			| ((priv->regs->status & UBI32_ETH_VP_STATUS_SPEED100)
+					? BMCR_SPEED100 : 0)
+			| ((priv->regs->status & UBI32_ETH_VP_STATUS_SPEED1000)
+					? BMCR_SPEED1000 : 0);
+		} else if ((data->reg_num & 0x1F) == MII_BMSR) {
+			/* Make up MII status register value from what we know */
+			data->val_out =
+			(BMSR_100FULL|BMSR_100HALF|BMSR_10FULL|BMSR_10HALF)
+			| ((priv->regs->status & UBI32_ETH_VP_STATUS_LINK)
+					? BMSR_LSTATUS : 0);
+		} else {
+			return -EIO;
+		}
+		break;
+
+	case SIOCSMIIREG:
+		return -EOPNOTSUPP;
+		break;
+
+	default:
+		return -EOPNOTSUPP;
+	}
+
+	return 0;
+}
+
+/*
+ * Return statistics to the caller
+ */
+static struct net_device_stats *ubi32_eth_get_stats(struct net_device *dev)
+{
+	return &dev->stats;
+}
+
+
+static int ubi32_eth_change_mtu(struct net_device *dev, int new_mtu)
+{
+	struct ubi32_eth_private *priv = netdev_priv(dev);
+	unsigned long flags;
+
+	if ((new_mtu < 68) || (new_mtu > 1500))
+		return -EINVAL;
+
+	spin_lock_irqsave(&priv->lock, flags);
+	dev->mtu = new_mtu;
+	spin_unlock_irqrestore(&priv->lock, flags);
+	printk(KERN_INFO "set mtu to %d", new_mtu);
+	return 0;
+}
+
+/*
+ * ubi32_eth_cleanup: unload the module
+ */
+void ubi32_eth_cleanup(void)
+{
+	struct ubi32_eth_private *priv;
+	struct net_device *dev;
+	int i;
+
+	for (i = 0; i < UBI32_ETH_NUM_OF_DEVICES; i++) {
+		dev = ubi32_eth_devices[i];
+		if (dev) {
+			priv = netdev_priv(dev);
+			kfree(priv->regs->tx_dma_ring);
+			unregister_netdev(dev);
+			free_netdev(dev);
+			ubi32_eth_devices[i] = NULL;
+		}
+	}
+}
+
+int ubi32_eth_init_module(void)
+{
+	struct ethtionode *eth_node;
+	struct net_device *dev;
+	struct ubi32_eth_private *priv;
+	int i, err;
+
+	/*
+	 * Device allocation.
+	 */
+	err = 0;
+	for (i = 0; i < UBI32_ETH_NUM_OF_DEVICES; i++) {
+		/*
+		 * See if the eth_vp is in the device tree.
+		 */
+		eth_node = (struct ethtionode *)devtree_find_node(eth_if_name[i]);
+		if (!eth_node) {
+			printk(KERN_INFO "%s does not exist\n", eth_if_name[i]);
+			continue;
+		}
+
+		eth_node->tx_dma_ring = (struct ubi32_eth_dma_desc **)kmalloc(
+				sizeof(struct ubi32_eth_dma_desc *) *
+				(TX_DMA_RING_SIZE + RX_DMA_RING_SIZE),
+				GFP_ATOMIC | __GFP_NOWARN | __GFP_NORETRY | GFP_DMA);
+
+		if (eth_node->tx_dma_ring == NULL) {
+			eth_node->tx_dma_ring = (struct ubi32_eth_dma_desc **)kmalloc(
+				sizeof(struct ubi32_eth_dma_desc *) *
+				(TX_DMA_RING_SIZE + RX_DMA_RING_SIZE), GFP_KERNEL);
+			printk(KERN_INFO "fail to allocate from OCM\n");
+		}
+
+		if (!eth_node->tx_dma_ring) {
+			err = -ENOMEM;
+			break;
+		}
+		eth_node->rx_dma_ring = eth_node->tx_dma_ring + TX_DMA_RING_SIZE;
+		eth_node->tx_sz = TX_DMA_RING_SIZE - 1;
+		eth_node->rx_sz = RX_DMA_RING_SIZE - 1;
+
+		dev = alloc_etherdev(sizeof(struct ubi32_eth_private));
+		if (!dev) {
+			kfree(eth_node->tx_dma_ring);
+			err = -ENOMEM;
+			break;
+		}
+		priv = netdev_priv(dev);
+		priv->dev = dev;
+
+		/*
+		 * This just fill in some default Ubicom MAC address
+		 */
+		memcpy(dev->dev_addr, mac_addr[i], ETH_ALEN);
+		memset(dev->broadcast, 0xff, ETH_ALEN);
+
+		priv->regs = eth_node;
+		priv->regs->command = 0;
+		priv->regs->int_mask = 0;
+		priv->regs->int_status = 0;
+		priv->regs->tx_out = 0;
+		priv->regs->rx_out = 0;
+		priv->regs->tx_in = 0;
+		priv->regs->rx_in = 0;
+		priv->rx_tail = 0;
+		priv->tx_tail = 0;
+
+		priv->vp_int_bit = eth_node->dn.sendirq;
+		dev->irq = eth_node->dn.recvirq;
+
+		spin_lock_init(&priv->lock);
+
+		dev->open		= ubi32_eth_open;
+		dev->stop		= ubi32_eth_close;
+		dev->hard_start_xmit	= ubi32_eth_start_xmit;
+		dev->tx_timeout		= ubi32_eth_tx_timeout;
+		dev->watchdog_timeo	= UBI32_ETH_VP_TX_TIMEOUT;
+
+		dev->set_config		= ubi32_eth_set_config;
+		dev->do_ioctl		= ubi32_eth_ioctl;
+		dev->get_stats		= ubi32_eth_get_stats;
+		dev->change_mtu		= ubi32_eth_change_mtu;
+#ifdef UBICOM32_USE_NAPI
+		netif_napi_add(dev, &priv->napi, ubi32_eth_napi_poll, UBI32_ETH_NAPI_WEIGHT);
+#endif
+		err = register_netdev(dev);
+		if (err) {
+			printk(KERN_WARNING "Failed to register netdev %s\n", eth_if_name[i]);
+			//release_region();
+			free_netdev(dev);
+			kfree(eth_node->tx_dma_ring);
+			break;
+		}
+
+		ubi32_eth_devices[i] = dev;
+		printk(KERN_INFO "%s vp_base:0x%p, tio_int:%d irq:%d feature:0x%lx\n",
+			dev->name, priv->regs, eth_node->dn.sendirq, dev->irq, dev->features);
+	}
+
+	if (err) {
+		ubi32_eth_cleanup();
+		return err;
+	}
+
+	if (!ubi32_eth_devices[0] && !ubi32_eth_devices[1]) {
+		return -ENODEV;
+	}
+
+#if defined(UBICOM32_USE_POLLING)
+	init_timer(&eth_poll_timer);
+	eth_poll_timer.function = ubi32_eth_poll;
+	eth_poll_timer.data = (unsigned long)0;
+	eth_poll_timer.expires = jiffies + 2;
+	add_timer(&eth_poll_timer);
+#endif
+
+	return 0;
+}
+
+module_init(ubi32_eth_init_module);
+module_exit(ubi32_eth_cleanup);
+
+MODULE_AUTHOR("Kan Yan, Greg Ren");
+MODULE_LICENSE("GPL");
diff -ruN linux-2.6.30.10/drivers/net/ubi32-eth.h linux-2.6.30.10-ubi/drivers/net/ubi32-eth.h
--- linux-2.6.30.10/drivers/net/ubi32-eth.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/net/ubi32-eth.h	2009-12-11 11:45:18.000000000 +0200
@@ -0,0 +1,132 @@
+/*
+ * drivers/net/ubi32-eth.h
+ *   Ubicom32 ethernet TIO interface driver definitions.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#ifndef _UBI32_ETH_H
+#define _UBI32_ETH_H
+
+#include <asm/devtree.h>
+
+#define UBI32_ETH_NUM_OF_DEVICES 2
+
+/*
+ * Number of bytes trashed beyond the packet data.
+ */
+#define UBI32_ETH_TRASHED_MEMORY	(CACHE_LINE_SIZE + ETH_HLEN - 1)
+
+/*
+ * Linux already reserves NET_SKB_PAD bytes of headroom in each sk_buff.
+ * We want to be able to reserve at least one cache line to align Ethernet
+ * and IP header to cache line.
+ * Note that the TIO expects a CACHE_LINE_SIZE - ETH_HLEN aligned Ethernet
+ * header, while satisfies NET_IP_ALIGN (= 2) automatically.
+ * (NET_SKB_PAD is 16, NET_IP_ALIGN is 2, CACHE_LINE_SIZE is 32).
+ * You can add more space by making UBI32_ETH_RESERVE_EXTRA != 0.
+ */
+#define UBI32_ETH_RESERVE_EXTRA (1 * CACHE_LINE_SIZE)
+#define UBI32_ETH_RESERVE_SPACE	(UBI32_ETH_RESERVE_EXTRA + CACHE_LINE_SIZE)
+
+struct ubi32_eth_dma_desc {
+	volatile void 	*data_pointer;	/* pointer to the buffer */
+	volatile u16 	buffer_len;	/* the buffer size */
+	volatile u16	data_len;	/* actual frame length */
+	volatile u32	status;		/* bit0: status to be update by VP; bit[31:1] time stamp */
+};
+
+#define TX_DMA_RING_SIZE (1<<8)
+#define TX_DMA_RING_MASK (TX_DMA_RING_SIZE - 1)
+#define RX_DMA_RING_SIZE (1<<8)
+#define RX_DMA_RING_MASK (RX_DMA_RING_SIZE - 1)
+
+#define RX_DMA_MAX_QUEUE_SIZE (RX_DMA_RING_SIZE - 1)	/* no more than (RX_DMA_RING_SIZE - 1) */
+#define RX_MAX_PKT_SIZE (ETH_DATA_LEN + ETH_HLEN + VLAN_HLEN)
+#define RX_MIN_PKT_SIZE	ETH_ZLEN
+#define RX_BUF_SIZE (RX_MAX_PKT_SIZE + VLAN_HLEN)	/* allow double VLAN tag */
+
+#define UBI32_ETH_VP_TX_TIMEOUT (10*HZ)
+
+struct ubi32_eth_vp_stats {
+	u32	rx_alloc_err;
+	u32	tx_q_full_cnt;
+	u32	rx_q_full_cnt;
+	u32	rx_throttle;
+};
+
+struct ubi32_eth_private {
+	struct net_device *dev;
+	struct ubi32_eth_vp_stats vp_stats;
+	spinlock_t lock;
+#ifdef UBICOM32_USE_NAPI
+	struct napi_struct napi;
+#else
+	struct tasklet_struct tsk;
+#endif
+	struct ethtionode *regs;
+	u16	rx_tail;
+	u16	tx_tail;
+	u32	vp_int_bit;
+};
+
+struct ethtionode {
+	struct devtree_node dn;
+	volatile u16	command;
+	volatile u16	status;
+	volatile u16	int_mask;	/* interrupt mask */
+	volatile u16	int_status;	/* interrupt mask */
+	volatile u16	tx_in;		/* owned by driver */
+	volatile u16	tx_out;		/* owned by vp */
+	volatile u16	rx_in;		/* owned by driver */
+	volatile u16	rx_out;		/* owned by vp */
+	u16		tx_sz;		/* owned by driver */
+	u16		rx_sz;		/* owned by driver */
+	struct ubi32_eth_dma_desc **tx_dma_ring;
+	struct ubi32_eth_dma_desc **rx_dma_ring;
+};
+
+#define UBI32_ETH_VP_STATUS_LINK	(1<<0)
+#define UBI32_ETH_VP_STATUS_SPEED100	(0x1<<1)
+#define UBI32_ETH_VP_STATUS_SPEED1000	(0x1<<2)
+#define UBI32_ETH_VP_STATUS_DUPLEX	(0x1<<3)
+#define UBI32_ETH_VP_STATUS_FLOW_CTRL	(0x1<<4)
+
+#define UBI32_ETH_VP_STATUS_RX_STATE	(0x1<<5)
+#define UBI32_ETH_VP_STATUS_TX_STATE	(0x1<<6)
+
+#define UBI32_ETH_VP_STATUS_TX_Q_FULL	(1<<8)
+
+#define UBI32_ETH_VP_INT_RX	(1<<0)
+#define UBI32_ETH_VP_INT_TX	(1<<1)
+
+#define UBI32_ETH_VP_CMD_RX_ENABLE	(1<<0)
+#define UBI32_ETH_VP_CMD_TX_ENABLE	(1<<1)
+
+#define UBI32_ETH_VP_RX_OK		(1<<0)
+#define UBI32_ETH_VP_TX_OK		(1<<1)
+
+#define UBI32_TX_BOUND		TX_DMA_RING_SIZE
+#define UBI32_RX_BOUND		64
+#define UBI32_ETH_NAPI_WEIGHT	64		/* for GigE */
+#endif
diff -ruN linux-2.6.30.10/drivers/net/usb/asix.c linux-2.6.30.10-ubi/drivers/net/usb/asix.c
--- linux-2.6.30.10/drivers/net/usb/asix.c	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/net/usb/asix.c	2009-12-11 11:45:18.000000000 +0200
@@ -319,14 +319,33 @@
 		/* get the packet length */
 		size = (u16) (header & 0x0000ffff);
 
-		if ((skb->len) - ((size + 1) & 0xfffe) == 0)
+		if ((skb->len) - ((size + 1) & 0xfffe) == 0) {
+#ifndef HAVE_EFFICIENT_UNALIGNED_ACCESS
+			if (((u32)packet & 0x02) == 0) {
+				memmove(packet - 2, packet, size);
+				skb->data -= 2;
+				skb->tail -= 2;
+			}
+#endif
 			return 2;
+		}
+
 		if (size > ETH_FRAME_LEN) {
 			deverr(dev,"asix_rx_fixup() Bad RX Length %d", size);
 			return 0;
 		}
 		ax_skb = skb_clone(skb, GFP_ATOMIC);
 		if (ax_skb) {
+#ifndef HAVE_EFFICIENT_UNALIGNED_ACCESS
+			if (((u32)packet & 0x02) == 0) {
+				memmove(packet - 2, packet, size);
+				ax_skb->data = packet - 2;
+			} else {
+				ax_skb->data = packet;
+			}
+#else
+			ax_skb->data = packet;
+#endif
 			ax_skb->len = size;
 			ax_skb->data = packet;
 			skb_set_tail_pointer(ax_skb, size);
@@ -1125,13 +1144,19 @@
 	mode = AX88178_MEDIUM_DEFAULT;
 
 	if (ecmd.speed == SPEED_1000)
+#ifdef HAVE_EFFICIENT_UNALIGNED_ACCESS
 		mode |= AX_MEDIUM_GM;
+#else
+		mode |= AX_MEDIUM_GM | AX_MEDIUM_ENCK;
+#endif
 	else if (ecmd.speed == SPEED_100)
 		mode |= AX_MEDIUM_PS;
 	else
 		mode &= ~(AX_MEDIUM_PS | AX_MEDIUM_GM);
 
+#ifdef HAVE_EFFICIENT_UNALIGNED_ACCESS
 	mode |= AX_MEDIUM_ENCK;
+#endif
 
 	if (ecmd.duplex == DUPLEX_FULL)
 		mode |= AX_MEDIUM_FD;
diff -ruN linux-2.6.30.10/drivers/oprofile/cpu_buffer.c linux-2.6.30.10-ubi/drivers/oprofile/cpu_buffer.c
--- linux-2.6.30.10/drivers/oprofile/cpu_buffer.c	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/oprofile/cpu_buffer.c	2009-12-11 11:45:18.000000000 +0200
@@ -328,10 +328,10 @@
 }
 
 static inline void
-__oprofile_add_ext_sample(unsigned long pc, struct pt_regs * const regs,
-			  unsigned long event, int is_kernel)
+__oprofile_add_ext_sample_cpu(unsigned long pc, struct pt_regs * const regs,
+			      unsigned long event, int is_kernel, int cpu)
 {
-	struct oprofile_cpu_buffer *cpu_buf = &__get_cpu_var(cpu_buffer);
+	struct oprofile_cpu_buffer *cpu_buf = &per_cpu(cpu_buffer, cpu);
 	unsigned long backtrace = oprofile_backtrace_depth;
 
 	/*
@@ -353,7 +353,8 @@
 void oprofile_add_ext_sample(unsigned long pc, struct pt_regs * const regs,
 			     unsigned long event, int is_kernel)
 {
-	__oprofile_add_ext_sample(pc, regs, event, is_kernel);
+	__oprofile_add_ext_sample_cpu(pc, regs, event,
+				      is_kernel, smp_processor_id());
 }
 
 void oprofile_add_sample(struct pt_regs * const regs, unsigned long event)
@@ -361,7 +362,8 @@
 	int is_kernel = !user_mode(regs);
 	unsigned long pc = profile_pc(regs);
 
-	__oprofile_add_ext_sample(pc, regs, event, is_kernel);
+	__oprofile_add_ext_sample_cpu(pc, regs, event,
+				      is_kernel, smp_processor_id());
 }
 
 /*
diff -ruN linux-2.6.30.10/drivers/pci/Makefile linux-2.6.30.10-ubi/drivers/pci/Makefile
--- linux-2.6.30.10/drivers/pci/Makefile	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/pci/Makefile	2009-12-11 11:45:18.000000000 +0200
@@ -44,8 +44,8 @@
 obj-$(CONFIG_MIPS) += setup-bus.o setup-irq.o
 obj-$(CONFIG_X86_VISWS) += setup-irq.o
 obj-$(CONFIG_MN10300) += setup-bus.o
+obj-$(CONFIG_UBICOM32) += setup-bus.o setup-irq.o
 
-#
 # ACPI Related PCI FW Functions
 #
 obj-$(CONFIG_ACPI)    += pci-acpi.o
diff -ruN linux-2.6.30.10/drivers/serial/Kconfig linux-2.6.30.10-ubi/drivers/serial/Kconfig
--- linux-2.6.30.10/drivers/serial/Kconfig	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/serial/Kconfig	2009-12-11 11:45:19.000000000 +0200
@@ -871,6 +871,57 @@
 	  console (the system console is the device which receives all kernel
 	  messages and warnings and which allows logins in single user mode).
 
+config SERIAL_UBI32_UARTTIO
+        tristate "Ubicom UARTTIO support"
+        depends on UBICOM32=y
+        select SERIAL_CORE
+	default y
+        help
+          Add support for the Ubicom virtual peripherial serial interface.
+
+config SERIAL_UBI32_UARTTIO_NR_UARTS
+	int "Maximum number of UARTTIO virtual serial ports"
+	depends on SERIAL_UBI32_UARTTIO
+	default "4"
+	help
+	  Set this to the maximum number of serial ports you want the driver to support.
+
+config SERIAL_UBI32_UARTTIO_CONSOLE
+        tristate "Ubicom UARTTIO console support"
+        depends on SERIAL_UBI32_UARTTIO=y
+        select SERIAL_CORE_CONSOLE
+	default y
+        help
+          Add support for console on the Ubicom virtual peripherial serial interface.
+
+config SERIAL_UBI32_SERDES
+        bool "Ubicom serial port support"
+        depends on UBICOM32=y
+        select SERIAL_CORE
+	default y
+        help
+          Add support for the Ubicom serial interface.
+
+config SERIAL_UBI32_SERDES_CONSOLE
+        bool "Ubicom serial console support"
+        depends on SERIAL_UBI32_SERDES=y
+        select SERIAL_CORE_CONSOLE
+	default y
+
+config SERIAL_UBI32_MAILBOX
+        bool "Ubicom mailbox support"
+        depends on UBICOM32=y
+        select SERIAL_CORE
+	default n
+        help
+          Add support for the Ubicom mailbox interface.
+
+config SERIAL_UBI32_MAILBOX_CONSOLE
+        bool "Ubicom mailbox console support"
+        depends on SERIAL_UBI32_MAILBOX=y
+        select SERIAL_CORE_CONSOLE
+	default y
+
 config SERIAL_SUNCORE
 	bool
 	depends on SPARC
diff -ruN linux-2.6.30.10/drivers/serial/Makefile linux-2.6.30.10-ubi/drivers/serial/Makefile
--- linux-2.6.30.10/drivers/serial/Makefile	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/serial/Makefile	2009-12-11 11:45:19.000000000 +0200
@@ -77,3 +77,6 @@
 obj-$(CONFIG_SERIAL_KS8695) += serial_ks8695.o
 obj-$(CONFIG_KGDB_SERIAL_CONSOLE) += kgdboc.o
 obj-$(CONFIG_SERIAL_QE) += ucc_uart.o
+obj-$(CONFIG_SERIAL_UBI32_SERDES) += ubi32_serdes.o
+obj-$(CONFIG_SERIAL_UBI32_UARTTIO) += ubi32_uarttio.o
+obj-$(CONFIG_SERIAL_UBI32_MAILBOX) += ubi32_mailbox.o
diff -ruN linux-2.6.30.10/drivers/serial/ubi32_mailbox.c linux-2.6.30.10-ubi/drivers/serial/ubi32_mailbox.c
--- linux-2.6.30.10/drivers/serial/ubi32_mailbox.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/serial/ubi32_mailbox.c	2009-12-11 11:45:19.000000000 +0200
@@ -0,0 +1,928 @@
+/*
+ * drivers/serial/ubi32_mailbox.c
+ *   Ubicom32 On-Chip Mailbox Driver
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/module.h>
+#include <linux/ioport.h>
+#include <linux/init.h>
+#include <linux/console.h>
+#include <linux/sysrq.h>
+#include <linux/platform_device.h>
+#include <linux/tty.h>
+#include <linux/tty_flip.h>
+#include <linux/serial_core.h>
+
+#include <asm/ip5000.h>
+
+#define SERIAL_UBICOM_BAUDRATE	115200
+#define SERIAL_UBICOM_DATA_BIT	8	/* Fixed parameter - do not change */
+#define SERIAL_UBICOM_PAR_BIT	0	/* Fixed parameter - do not change */
+#define SERIAL_UBICOM_STOP_BIT	1	/* Fixed parameter - do not change */
+
+/* UART name and device definitions */
+#define UBI32_MAILBOX_NAME	"ttyUM" // XXX
+#define UBI32_MAILBOX_MAJOR	207 // XXX
+#define UBI32_MAILBOX_MINOR	64
+
+#define PORT_UBI32_MAILBOX	1235
+#define NR_PORTS 1
+
+#define get_sclk() 0
+
+struct ubi32_mailbox_port {
+	struct uart_port port;
+	/*
+	 * NOTE (rkeller):
+	 * the uart port is wrapped in another structure in case we need to hold more state than
+	 * what we can hold in the uart_port.
+	 * Not sure if we need this, I took over the concept from the blackfin driver.
+	 */
+} ubi32_mailbox_ports[NR_PORTS];
+
+struct ubi32_mailbox_resource {
+	int uart_base_addr;
+	int uart_irq;
+} ubi32_mailbox_resource[NR_PORTS] = {
+	/*
+	 * uart_base_addr has to be non-NULL because it is put in the uart_port membase.
+	 * If membase if null the kernel skips the configuration and our port_type never gets set.
+	 */
+	{ISD_MAILBOX_BASE, ISD_MAILBOX_INT}
+};
+
+static volatile struct ubicom32_isd_mailbox {
+	volatile u32_t in;
+	volatile u32_t out;
+	volatile u32_t status;
+} *ubi32_mailbox = (struct ubicom32_isd_mailbox *)ISD_MAILBOX_BASE;
+
+static void ubi32_mailbox_tx_chars(struct ubi32_mailbox_port *uart);
+
+static void ubi32_mailbox_mctrl_check(struct ubi32_mailbox_port *uart);
+
+#define TRUE 1
+#define FALSE 0
+
+static int mailbox_console_flg = TRUE;
+static int num_timeouts = 0;
+
+/*
+ * dummy functions and defined to be able to compile the Blackfin code
+ */
+#define UART_GET_LSR(port) (1)
+#define UART_PUT_LSR(port, bits)
+#define UART_CLEAR_LSR(port) (1)
+#define TEMT 1
+#define TFI 1
+#define BI 1
+#define PE 1
+#define OE 1
+#define FE 1
+#define THRE 1
+#define DR 1
+#define UART_GET_LCR(port) (1)
+#define UART_PUT_LCR(port, bits)
+#define SB 1
+#define STB 1
+#define PEN 1
+#define EPS 1
+#define STP 1
+#define WLS(n) 0
+#define UART_GET_IER(port) (1)
+#define UART_SET_IER(port, bits)
+#define UART_CLEAR_IER(port, bits)
+#define ETBEI 0
+#define ERBFI 0
+#define UART_GET_CHAR(port) ubi32_mailbox_get_char()
+#define UART_PUT_CHAR(port, ch) ubi32_mailbox_put_char(ch)
+#define SSYNC()
+#define UART_GET_DLL(port) 0
+#define UART_PUT_DLL(port, ch)
+#define UART_GET_DLH(port) 0
+#define UART_PUT_DLH(port, ch)
+#define UART_GET_GCTL(port) (0)
+#define UART_PUT_GCTL(port, ch)
+#define UCEN 1
+
+/*
+ * ubi32_mailbox_get_char_avail()
+ */
+static int ubi32_mailbox_get_char_avail(void)
+{
+	return !(ubi32_mailbox->status & ISD_MAILBOX_STATUS_IN_EMPTY);
+}
+
+/*
+ * ubi32_mailbox_get_char()
+ */
+static u32_t ubi32_mailbox_get_char(void)
+{
+	if (mailbox_console_flg == TRUE) {
+		/*
+		 * Mailbox console is connected.
+		 */
+		while (ubi32_mailbox->status & ISD_MAILBOX_STATUS_IN_EMPTY);
+		return ubi32_mailbox->in & 0xff;
+	}
+
+	/*
+	 * Mailbox console was not connected.
+	 */
+	if (ubi32_mailbox->status & ISD_MAILBOX_STATUS_IN_EMPTY) {
+		return 0xff;
+	}
+
+	/*
+	 * Mailbox console is connecting.
+	 */
+	mailbox_console_flg = TRUE;
+	num_timeouts = 0;
+	return ubi32_mailbox->in & 0xff;
+}
+
+#define MAILBOX_MAX_ATTEMPTS 1000000
+#define MAILBOX_MAX_TIMEOUTS 5
+/*
+ * ubi32_mailbox_put_char()
+ */
+static void ubi32_mailbox_put_char(u32_t v)
+{
+	/*
+	 * Wait to be able to output.
+	 */
+	u32_t num_attempts = 0;
+
+	if(mailbox_console_flg == TRUE) {
+		while(num_attempts++ < MAILBOX_MAX_ATTEMPTS) {
+			if(ubi32_mailbox->status & ISD_MAILBOX_STATUS_OUT_EMPTY) {
+				break;
+			}
+		}
+
+		/*
+		 * If timed out more than 5 times on send, mailbox console is disconnected now.
+		 */
+		if (num_attempts > MAILBOX_MAX_ATTEMPTS) {
+			if (num_timeouts++ > MAILBOX_MAX_TIMEOUTS) {
+				mailbox_console_flg = FALSE;
+			}
+		}
+	}
+
+	asm volatile(
+		"pipe_flush 0	\n\t"
+		"pipe_flush 0	\n\t"
+		"pipe_flush 0	\n\t"
+		"pipe_flush 0	\n\t"
+		"pipe_flush 0	\n\t"
+		"pipe_flush 0	\n\t"
+		"pipe_flush 0	\n\t"
+	);
+
+	ubi32_mailbox->out = v & 0xff;
+}
+
+static void ubi32_mailbox_hw_init(struct ubi32_mailbox_port *uart)
+{
+// NOTE: It does not do any good to do these here because we are running on the linux hardware thread,
+//	and these have to be called on the ldsr thread.
+//	ubicom32_clear_interrupt(ISD_MAILBOX_INT);
+//	ubicom32_enable_interrupt(ISD_MAILBOX_INT);
+}
+
+/*
+ * interrupts are disabled on entry
+ */
+static void ubi32_mailbox_stop_tx(struct uart_port *port)
+{
+//	struct ubi32_mailbox_port *uart = (struct ubi32_mailbox_port *)port;
+//	struct circ_buf *xmit = &uart->port.info->xmit;
+
+	while (!(UART_GET_LSR(uart) & TEMT))
+		cpu_relax();
+
+	/* Clear TFI bit */
+	UART_PUT_LSR(uart, TFI);
+	UART_CLEAR_IER(uart, ETBEI);
+}
+
+/*
+ * port is locked and interrupts are disabled
+ */
+static void ubi32_mailbox_start_tx(struct uart_port *port)
+{
+	struct ubi32_mailbox_port *uart = (struct ubi32_mailbox_port *)port;
+
+	UART_SET_IER(uart, ETBEI);
+
+	ubi32_mailbox_tx_chars(uart);
+}
+
+/*
+ * Interrupts are enabled
+ */
+static void ubi32_mailbox_stop_rx(struct uart_port *port)
+{
+//	struct ubi32_mailbox_port *uart = (struct ubi32_mailbox_port *)port;
+	UART_CLEAR_IER(uart, ERBFI);
+}
+
+/*
+ * Set the modem control timer to fire immediately.
+ */
+static void ubi32_mailbox_enable_ms(struct uart_port *port)
+{
+}
+
+static void ubi32_mailbox_rx_chars(struct ubi32_mailbox_port *uart)
+{
+	struct uart_info *info = uart->port.info;
+	struct tty_struct *tty = info->port.tty;
+	unsigned int status, ch, flg;
+
+	status = 0; // XXX? UART_GET_LSR(uart);
+	UART_CLEAR_LSR(uart);
+
+	ch = UART_GET_CHAR(uart);
+
+	if(ch == 0xff)
+		return;
+
+	uart->port.icount.rx++;
+
+	if (status & BI) {
+		uart->port.icount.brk++;
+		if (uart_handle_break(&uart->port))
+			goto ignore_char;
+		status &= ~(PE | FE);
+	}
+	if (status & PE)
+		uart->port.icount.parity++;
+	if (status & OE)
+		uart->port.icount.overrun++;
+	if (status & FE)
+		uart->port.icount.frame++;
+
+	status &= uart->port.read_status_mask;
+
+	if (status & BI)
+		flg = TTY_BREAK;
+	else if (status & PE)
+		flg = TTY_PARITY;
+	else if (status & FE)
+		flg = TTY_FRAME;
+	else
+		flg = TTY_NORMAL;
+
+	if (uart_handle_sysrq_char(&uart->port, ch))
+		goto ignore_char;
+
+	uart_insert_char(&uart->port, status, OE, ch, flg);
+
+ ignore_char:
+	tty_flip_buffer_push(tty);
+}
+
+static void ubi32_mailbox_tx_chars(struct ubi32_mailbox_port *uart)
+{
+	struct circ_buf *xmit = &uart->port.info->xmit;
+
+	if (uart->port.x_char) {
+		UART_PUT_CHAR(uart, uart->port.x_char);
+		uart->port.icount.tx++;
+		uart->port.x_char = 0;
+	}
+	/*
+	 * Check the modem control lines before
+	 * transmitting anything.
+	 */
+	ubi32_mailbox_mctrl_check(uart);
+
+	if (uart_circ_empty(xmit) || uart_tx_stopped(&uart->port)) {
+		ubi32_mailbox_stop_tx(&uart->port);
+		return;
+	}
+
+	while ((UART_GET_LSR(uart) & THRE) && xmit->tail != xmit->head) {
+		UART_PUT_CHAR(uart, xmit->buf[xmit->tail]);
+		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
+		uart->port.icount.tx++;
+		SSYNC();
+	}
+
+	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
+		uart_write_wakeup(&uart->port);
+
+	if (uart_circ_empty(xmit))
+		ubi32_mailbox_stop_tx(&uart->port);
+}
+
+static irqreturn_t ubi32_mailbox_isr(int irq, void *dev_id)
+{
+	struct ubi32_mailbox_port *uart = dev_id;
+
+	spin_lock(&uart->port.lock);
+
+	//XXX?while (UART_GET_LSR(uart) & DR)
+
+	/*
+	 * RX process
+	 */
+	while (ubi32_mailbox_get_char_avail()) {
+		ubi32_mailbox_rx_chars(uart);
+	}
+
+#if 0
+	/*
+	 * TX process
+	 */
+	if (this_uart.tx_in == this_uart.tx_out) {
+		UBICOM32_IO_PORT(SERIAL_UBICOM_PORT)->int_mask &= ~IO_PORTX_INT_SERDES_TXBE;
+	} else if (UBICOM32_IO_PORT(SERIAL_UBICOM_PORT)->int_status & IO_PORTX_INT_SERDES_TXBE) {
+		uart_ubicom32_send(this_uart.tx_buf[this_uart.tx_out & (SERIAL_UBICOM_BUF_SIZE - 1)]);
+		this_uart.tx_out++;
+		UBICOM32_IO_PORT(SERIAL_UBICOM_PORT)->int_mask |= IO_PORTX_INT_SERDES_TXBE;
+	}
+#endif
+
+	spin_unlock(&uart->port.lock);
+
+	return IRQ_HANDLED;
+}
+#if 0
+static irqreturn_t ubi32_mailbox_tx_int(int irq, void *dev_id)
+{
+	struct ubi32_mailbox_port *uart = dev_id;
+
+	spin_lock(&uart->port.lock);
+	if (UART_GET_LSR(uart) & THRE)
+		ubi32_mailbox_tx_chars(uart);
+	spin_unlock(&uart->port.lock);
+
+	return IRQ_HANDLED;
+}
+#endif
+
+/*
+ * Return TIOCSER_TEMT when transmitter is not busy.
+ */
+static unsigned int ubi32_mailbox_tx_empty(struct uart_port *port)
+{
+//	struct ubi32_mailbox_port *uart = (struct ubi32_mailbox_port *)port;
+	unsigned short lsr;
+
+	lsr = UART_GET_LSR(uart);
+	if (lsr & TEMT)
+		return TIOCSER_TEMT;
+	else
+		return 0;
+}
+
+static unsigned int ubi32_mailbox_get_mctrl(struct uart_port *port)
+{
+		return TIOCM_CTS | TIOCM_DSR | TIOCM_CAR;
+}
+
+static void ubi32_mailbox_set_mctrl(struct uart_port *port, unsigned int mctrl)
+{
+}
+
+/*
+ * Handle any change of modem status signal since we were last called.
+ */
+static void ubi32_mailbox_mctrl_check(struct ubi32_mailbox_port *uart)
+{
+}
+
+/*
+ * Interrupts are always disabled.
+ */
+static void ubi32_mailbox_break_ctl(struct uart_port *port, int break_state)
+{
+//	struct ubi32_mailbox_port *uart = (struct ubi32_mailbox_port *)port;
+	u16 lcr = UART_GET_LCR(uart);
+	if (break_state)
+		lcr |= SB;
+	else
+		lcr &= ~SB;
+	UART_PUT_LCR(uart, lcr);
+	SSYNC();
+}
+
+static int ubi32_mailbox_startup(struct uart_port *port)
+{
+	struct ubi32_mailbox_port *uart = (struct ubi32_mailbox_port *)port;
+
+	if (request_irq(uart->port.irq, ubi32_mailbox_isr, IRQF_DISABLED,
+	     "UBI32_MAILBOX", uart)) {
+		printk(KERN_NOTICE "Unable to attach Ubicom32 SERDES interrupt\n");
+		return -EBUSY;
+	}
+
+	UART_SET_IER(uart, ERBFI);
+	return 0;
+}
+
+static void ubi32_mailbox_shutdown(struct uart_port *port)
+{
+	struct ubi32_mailbox_port *uart = (struct ubi32_mailbox_port *)port;
+
+	free_irq(uart->port.irq, uart);
+}
+
+static void
+ubi32_mailbox_set_termios(struct uart_port *port, struct ktermios *termios,
+		   struct ktermios *old)
+{
+	struct ubi32_mailbox_port *uart = (struct ubi32_mailbox_port *)port;
+	unsigned long flags;
+	unsigned int baud, quot;
+	unsigned short val, ier, lsr, lcr = 0;
+
+	switch (termios->c_cflag & CSIZE) {
+	case CS8:
+		lcr = WLS(8);
+		break;
+	case CS7:
+		lcr = WLS(7);
+		break;
+	case CS6:
+		lcr = WLS(6);
+		break;
+	case CS5:
+		lcr = WLS(5);
+		break;
+	default:
+		printk(KERN_ERR "%s: word lengh not supported\n",
+			__FUNCTION__);
+	}
+
+	if (termios->c_cflag & CSTOPB)
+		lcr |= STB;
+	if (termios->c_cflag & PARENB)
+		lcr |= PEN;
+	if (!(termios->c_cflag & PARODD))
+		lcr |= EPS;
+	if (termios->c_cflag & CMSPAR)
+		lcr |= STP;
+
+	port->read_status_mask = OE;
+	if (termios->c_iflag & INPCK)
+		port->read_status_mask |= (FE | PE);
+	if (termios->c_iflag & (BRKINT | PARMRK))
+		port->read_status_mask |= BI;
+
+	/*
+	 * Characters to ignore
+	 */
+	port->ignore_status_mask = 0;
+	if (termios->c_iflag & IGNPAR)
+		port->ignore_status_mask |= FE | PE;
+	if (termios->c_iflag & IGNBRK) {
+		port->ignore_status_mask |= BI;
+		/*
+		 * If we're ignoring parity and break indicators,
+		 * ignore overruns too (for real raw support).
+		 */
+		if (termios->c_iflag & IGNPAR)
+			port->ignore_status_mask |= OE;
+	}
+
+	baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16);
+	quot = uart_get_divisor(port, baud);
+	spin_lock_irqsave(&uart->port.lock, flags);
+
+	do {
+		lsr = UART_GET_LSR(uart);
+	} while (!(lsr & TEMT));
+
+	/* Disable UART */
+	ier = UART_GET_IER(uart);
+	UART_CLEAR_IER(uart, 0xF);
+
+	UART_PUT_DLL(uart, quot & 0xFF);
+	SSYNC();
+	UART_PUT_DLH(uart, (quot >> 8) & 0xFF);
+	SSYNC();
+
+	UART_PUT_LCR(uart, lcr);
+
+	/* Enable UART */
+	UART_SET_IER(uart, ier);
+
+	val = UART_GET_GCTL(uart);
+	val |= UCEN;
+	UART_PUT_GCTL(uart, val);
+
+	spin_unlock_irqrestore(&uart->port.lock, flags);
+}
+
+static const char *ubi32_mailbox_type(struct uart_port *port)
+{
+	struct ubi32_mailbox_port *uart = (struct ubi32_mailbox_port *)port;
+
+	return uart->port.type == PORT_UBI32_MAILBOX ? "UBI32_MAILBOX" : NULL;
+}
+
+/*
+ * Release the memory region(s) being used by 'port'.
+ */
+static void ubi32_mailbox_release_port(struct uart_port *port)
+{
+}
+
+/*
+ * Request the memory region(s) being used by 'port'.
+ */
+static int ubi32_mailbox_request_port(struct uart_port *port)
+{
+	return 0;
+}
+
+/*
+ * Configure/autoconfigure the port.
+ */
+static void ubi32_mailbox_config_port(struct uart_port *port, int flags)
+{
+	struct ubi32_mailbox_port *uart = (struct ubi32_mailbox_port *)port;
+
+	if (flags & UART_CONFIG_TYPE && ubi32_mailbox_request_port(&uart->port) == 0)
+		uart->port.type = PORT_UBI32_MAILBOX;
+}
+
+/*
+ * Verify the new serial_struct (for TIOCSSERIAL).
+ * The only change we allow are to the flags and type, and
+ * even then only between PORT_UBI32_MAILBOX and PORT_UNKNOWN
+ */
+static int
+ubi32_mailbox_verify_port(struct uart_port *port, struct serial_struct *ser)
+{
+	return 0;
+}
+
+static struct uart_ops ubi32_mailbox_pops = {
+	.tx_empty	= ubi32_mailbox_tx_empty,
+	.set_mctrl	= ubi32_mailbox_set_mctrl,
+	.get_mctrl	= ubi32_mailbox_get_mctrl,
+	.stop_tx	= ubi32_mailbox_stop_tx,
+	.start_tx	= ubi32_mailbox_start_tx,
+	.stop_rx	= ubi32_mailbox_stop_rx,
+	.enable_ms	= ubi32_mailbox_enable_ms,
+	.break_ctl	= ubi32_mailbox_break_ctl,
+	.startup	= ubi32_mailbox_startup,
+	.shutdown	= ubi32_mailbox_shutdown,
+	.set_termios	= ubi32_mailbox_set_termios,
+	.type		= ubi32_mailbox_type,
+	.release_port	= ubi32_mailbox_release_port,
+	.request_port	= ubi32_mailbox_request_port,
+	.config_port	= ubi32_mailbox_config_port,
+	.verify_port	= ubi32_mailbox_verify_port,
+};
+
+static void __init ubi32_mailbox_init_ports(void)
+{
+	static int first = 1;
+	int i;
+
+	if (!first)
+		return;
+	first = 0;
+
+	for (i = 0; i < NR_PORTS; i++) {
+		ubi32_mailbox_ports[i].port.uartclk   = get_sclk();
+		ubi32_mailbox_ports[i].port.ops       = &ubi32_mailbox_pops;
+		ubi32_mailbox_ports[i].port.line      = i;
+		ubi32_mailbox_ports[i].port.iotype    = UPIO_MEM;
+		ubi32_mailbox_ports[i].port.membase   =
+			(void __iomem *)ubi32_mailbox_resource[i].uart_base_addr;
+		ubi32_mailbox_ports[i].port.mapbase   =
+			ubi32_mailbox_resource[i].uart_base_addr;
+		ubi32_mailbox_ports[i].port.irq       =
+			ubi32_mailbox_resource[i].uart_irq;
+		ubi32_mailbox_ports[i].port.flags     = UPF_BOOT_AUTOCONF;
+		spin_lock_init(&ubi32_mailbox_ports[i].port.lock);
+
+		ubi32_mailbox_hw_init(&ubi32_mailbox_ports[i]);
+	}
+
+}
+
+#ifdef CONFIG_SERIAL_UBI32_MAILBOX_CONSOLE
+/*
+ * If the port was already initialised (eg, by a boot loader),
+ * try to determine the current setup.
+ */
+static void __init
+ubi32_mailbox_console_get_options(struct ubi32_mailbox_port *uart, int *baud,
+			   int *parity, int *bits)
+{
+	unsigned short status;
+
+	status = UART_GET_IER(uart) & (ERBFI | ETBEI);
+	if (status == (ERBFI | ETBEI)) {
+		/* ok, the port was enabled */
+		unsigned short lcr;
+		unsigned short dlh, dll;
+
+		lcr = UART_GET_LCR(uart);
+
+		*parity = 'n';
+		if (lcr & PEN) {
+			if (lcr & EPS)
+				*parity = 'e';
+			else
+				*parity = 'o';
+		}
+		switch (lcr & 0x03) {
+			case 0:	*bits = 5; break;
+			case 1:	*bits = 6; break;
+			case 2:	*bits = 7; break;
+			case 3:	*bits = 8; break;
+		}
+
+		dll = UART_GET_DLL(uart);
+		dlh = UART_GET_DLH(uart);
+
+		*baud = get_sclk() / (16*(dll | dlh << 8));
+	}
+	pr_debug("%s:baud = %d, parity = %c, bits= %d\n", __FUNCTION__, *baud, *parity, *bits);
+}
+#endif
+
+#if defined(CONFIG_SERIAL_UBI32_MAILBOX_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+static struct uart_driver ubi32_mailbox_reg;
+
+static int __init
+ubi32_mailbox_console_setup(struct console *co, char *options)
+{
+	struct ubi32_mailbox_port *uart;
+# ifdef CONFIG_SERIAL_UBI32_MAILBOX_CONSOLE
+	int baud = SERIAL_UBICOM_BAUDRATE;
+	int bits = 8;
+	int parity = 'n';
+	int flow = 'n';
+# endif
+
+	/*
+	 * Check whether an invalid uart number has been specified, and
+	 * if so, search for the first available port that does have
+	 * console support.
+	 */
+	if (co->index == -1 || co->index >= NR_PORTS)
+		co->index = 0;
+	uart = &ubi32_mailbox_ports[co->index];
+
+# ifdef CONFIG_SERIAL_UBI32_MAILBOX_CONSOLE
+	if (options)
+		uart_parse_options(options, &baud, &parity, &bits, &flow);
+	else
+		ubi32_mailbox_console_get_options(uart, &baud, &parity, &bits);
+
+	//JB return uart_set_options(&uart->port, co, baud, parity, bits, flow);
+	return 0;
+# else
+	return 0;
+# endif
+}
+#endif /* defined (CONFIG_SERIAL_UBI32_MAILBOX_CONSOLE) ||
+				 defined (CONFIG_EARLY_PRINTK) */
+
+#ifdef CONFIG_SERIAL_UBI32_MAILBOX_CONSOLE
+static void ubi32_mailbox_console_putchar(struct uart_port *port, int ch)
+{
+//	struct ubi32_mailbox_port *uart = (struct ubi32_mailbox_port *)port;
+	while (!(UART_GET_LSR(uart) & THRE))
+		barrier();
+	UART_PUT_CHAR(uart, ch);
+	SSYNC();
+}
+
+/*
+ * Interrupts are disabled on entering
+ */
+static void
+ubi32_mailbox_console_write(struct console *co, const char *s, unsigned int count)
+{
+	struct ubi32_mailbox_port *uart = &ubi32_mailbox_ports[co->index];
+	unsigned long flags = 0;
+
+	spin_lock_irqsave(&uart->port.lock, flags);
+	uart_console_write(&uart->port, s, count, ubi32_mailbox_console_putchar);
+	spin_unlock_irqrestore(&uart->port.lock, flags);
+
+}
+
+static struct console ubi32_mailbox_console = {
+	.name		= UBI32_MAILBOX_NAME,
+	.write		= ubi32_mailbox_console_write,
+	.device		= uart_console_device,
+	.setup		= ubi32_mailbox_console_setup,
+	.flags		= CON_PRINTBUFFER,
+	.index		= -1,
+	.data		= &ubi32_mailbox_reg,
+};
+
+static int __init ubi32_mailbox_console_init(void)
+{
+	ubi32_mailbox_init_ports();
+	register_console(&ubi32_mailbox_console);
+	return 0;
+}
+console_initcall(ubi32_mailbox_console_init);
+
+#define UBI32_MAILBOX_CONSOLE	&ubi32_mailbox_console
+#else
+#define UBI32_MAILBOX_CONSOLE	NULL
+#endif /* CONFIG_SERIAL_UBI32_MAILBOX_CONSOLE */
+
+
+#ifdef CONFIG_EARLY_PRINTK
+static __init void ubi32_mailbox_early_putc(struct uart_port *port, int ch)
+{
+	UART_PUT_CHAR(uart, ch);
+}
+
+static __init void ubi32_mailbox_early_write(struct console *con, const char *s,
+					unsigned int n)
+{
+	struct ubi32_mailbox_port *uart = &ubi32_mailbox_ports[con->index];
+	unsigned int i;
+
+	for (i = 0; i < n; i++, s++) {
+		if (*s == '\n')
+			ubi32_mailbox_early_putc(&uart->port, '\r');
+		ubi32_mailbox_early_putc(&uart->port, *s);
+	}
+}
+
+static struct __init console ubi32_mailbox_early_console = {
+	.name = "early_UM",
+	.write = ubi32_mailbox_early_write,
+	.device = uart_console_device,
+	.flags = CON_PRINTBUFFER,
+	.setup = ubi32_mailbox_console_setup,
+	.index = -1,
+	.data  = &ubi32_mailbox_reg,
+};
+
+/*
+ * XXX Unused in our driver. Need to find out what the termios initialization is good/needed for.
+ */
+struct console __init *ubi32_mailbox_early_init(unsigned int port,
+						unsigned int cflag)
+{
+	struct ubi32_mailbox_port *uart;
+	struct ktermios t;
+
+	if (port == -1 || port >= NR_PORTS)
+		port = 0;
+	ubi32_mailbox_init_ports();
+	ubi32_mailbox_early_console.index = port;
+	uart = &ubi32_mailbox_ports[port];
+	t.c_cflag = cflag;
+	t.c_iflag = 0;
+	t.c_oflag = 0;
+	t.c_lflag = ICANON;
+	t.c_line = port;
+	ubi32_mailbox_set_termios(&uart->port, &t, &t);
+	return &ubi32_mailbox_early_console;
+}
+
+#endif /* CONFIG_SERIAL_UBI32_MAILBOX_CONSOLE */
+
+static struct uart_driver ubi32_mailbox_reg = {
+	.owner			= THIS_MODULE,
+	.driver_name		= "ubi32_mailbox",
+	.dev_name		= UBI32_MAILBOX_NAME,
+	.major			= UBI32_MAILBOX_MAJOR,
+	.minor			= UBI32_MAILBOX_MINOR,
+	.nr			= NR_PORTS,
+	.cons			= UBI32_MAILBOX_CONSOLE,
+};
+
+static int ubi32_mailbox_suspend(struct platform_device *dev, pm_message_t state)
+{
+	struct ubi32_mailbox_port *uart = platform_get_drvdata(dev);
+
+	if (uart)
+		uart_suspend_port(&ubi32_mailbox_reg, &uart->port);
+
+	return 0;
+}
+
+static int ubi32_mailbox_resume(struct platform_device *dev)
+{
+	struct ubi32_mailbox_port *uart = platform_get_drvdata(dev);
+
+	if (uart)
+		uart_resume_port(&ubi32_mailbox_reg, &uart->port);
+
+	return 0;
+}
+
+static int ubi32_mailbox_probe(struct platform_device *dev)
+{
+	struct resource *res = dev->resource;
+	int i;
+
+	for (i = 0; i < dev->num_resources; i++, res++)
+		if (res->flags & IORESOURCE_MEM)
+			break;
+
+	if (i < dev->num_resources) {
+		for (i = 0; i < NR_PORTS; i++, res++) {
+			if (ubi32_mailbox_ports[i].port.mapbase != res->start)
+				continue;
+			ubi32_mailbox_ports[i].port.dev = &dev->dev;
+			uart_add_one_port(&ubi32_mailbox_reg, &ubi32_mailbox_ports[i].port);
+			platform_set_drvdata(dev, &ubi32_mailbox_ports[i]);
+		}
+	}
+
+	return 0;
+}
+
+static int ubi32_mailbox_remove(struct platform_device *pdev)
+{
+	struct ubi32_mailbox_port *uart = platform_get_drvdata(pdev);
+
+	platform_set_drvdata(pdev, NULL);
+
+	if (uart)
+		uart_remove_one_port(&ubi32_mailbox_reg, &uart->port);
+
+	return 0;
+}
+
+static struct platform_driver ubi32_mailbox_driver = {
+	.probe		= ubi32_mailbox_probe,
+	.remove		= ubi32_mailbox_remove,
+	.suspend	= ubi32_mailbox_suspend,
+	.resume		= ubi32_mailbox_resume,
+	.driver		= {
+		.name	= "ubi32-mbox",
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init ubi32_mailbox_init(void)
+{
+	int ret;
+
+	pr_info("Serial: Ubicom32 mailbox serial driver.\n");
+
+	mailbox_console_flg = TRUE;
+	num_timeouts = 0;
+	ubi32_mailbox_init_ports();
+
+	ret = uart_register_driver(&ubi32_mailbox_reg);
+	if (ret == 0) {
+		ret = platform_driver_register(&ubi32_mailbox_driver);
+		if (ret) {
+			pr_debug("uart register failed\n");
+			uart_unregister_driver(&ubi32_mailbox_reg);
+		}
+	}
+
+	/*
+	 * XXX HACK: currently probe does not get called, but the port needs to be added to work.
+	 */
+	uart_add_one_port(&ubi32_mailbox_reg, &ubi32_mailbox_ports[0].port);
+	return ret;
+}
+
+static void __exit ubi32_mailbox_exit(void)
+{
+	platform_driver_unregister(&ubi32_mailbox_driver);
+	uart_unregister_driver(&ubi32_mailbox_reg);
+}
+
+module_init(ubi32_mailbox_init);
+module_exit(ubi32_mailbox_exit);
+
+MODULE_ALIAS_CHARDEV_MAJOR(UBI32_MAILBOX_MAJOR);
+MODULE_ALIAS("platform:ubi32_mailbox");
diff -ruN linux-2.6.30.10/drivers/serial/ubi32_serdes.c linux-2.6.30.10-ubi/drivers/serial/ubi32_serdes.c
--- linux-2.6.30.10/drivers/serial/ubi32_serdes.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/serial/ubi32_serdes.c	2009-12-11 11:45:19.000000000 +0200
@@ -0,0 +1,817 @@
+/*
+ * drivers/serial/ubi32_serdes.c
+ *   Ubicom32 On-Chip Serial Driver
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/module.h>
+#include <linux/ioport.h>
+#include <linux/init.h>
+#include <linux/console.h>
+#include <linux/sysrq.h>
+#include <linux/platform_device.h>
+#include <linux/tty.h>
+#include <linux/tty_flip.h>
+#include <linux/serial_core.h>
+
+#include <asm/ip5000.h>
+#include <asm/ubicom32suart.h>
+
+
+#define SERIAL_UBICOM_PIN_RXD	(1 << 0)
+#define SERIAL_UBICOM_PIN_TXD	(1 << 6)
+#define SERIAL_UBICOM_CTL0	0x8b300000
+#define SERIAL_UBICOM_CTL1	0x00000009
+
+#define SERIAL_UBICOM_DATA_BIT	8	/* Fixed parameter - do not change */
+#define SERIAL_UBICOM_PAR_BIT	0	/* Fixed parameter - do not change */
+#define SERIAL_UBICOM_STOP_BIT	1	/* Fixed parameter - do not change */
+
+/* UART name and device definitions */
+#define UBI32_SERDES_NAME	"ttyUS" // XXX
+#define UBI32_SERDES_MAJOR	206 // XXX
+#define UBI32_SERDES_MINOR	64 // XXX
+
+#define PORT_UBI32_SERDES	1234
+#define NR_PORTS 1
+
+struct uart_port ubi32_serdes_ports[NR_PORTS];
+
+struct ubi32_serdes_resource {
+	void *uart_base_addr;
+	int uart_irq;
+	int uart_clock;
+} ubi32_serdes_resource[NR_PORTS] = {
+	/*
+	 * Get params from kernel command line (required for early printk)
+	 * or from platform resources.
+	 */
+	{0, 0, 0}
+};
+
+/*
+ * Can get overridden by 'serdes=' kernel command line.
+ */
+static int ubi32_serdes_default_baud_rate = 115200;
+
+
+#define IO_PORT(port) ((struct ubicom32_io_port *)port->membase)
+#define IO_PORT_INT_STATUS(port) (IO_PORT(port)->int_status)
+#define IO_PORT_INT_MASK(port) (IO_PORT(port)->int_mask)
+#define IO_PORT_INT_CLR(port) (IO_PORT(port)->int_clr)
+
+
+/*
+ * ubi32_serdes_get_char()
+ */
+static u8_t ubi32_serdes_get_char(struct ubicom32_io_port *io_port)
+{
+	/*
+	 * Read from hardware (forced 32-bit atomic read).
+	 */
+	u32_t data = 0;
+
+	if ( io_port ) {
+		io_port->int_clr = IO_PORTX_INT_SERDES_RXBF;
+		asm volatile (
+			"move.4		%0, %1		\n\t"
+			: "=r" (data)
+			: "m" (*(u32_t *)&(io_port->rx_fifo))
+			);
+	}
+
+	return (u8_t)(data & 0x000000ff);
+}
+
+/*
+ * ubi32_serdes_put_char()
+ */
+static void ubi32_serdes_put_char(struct ubicom32_io_port *io_port, u8_t c)
+{
+	u32_t data = 0x0000fe00 | (c << 1);
+
+	if ( io_port ) {
+		/*
+		 * Fixed data format:
+		 * [LSB]1 start bit - 8 data bits - no parity - 1 stop bit[MSB]
+		 */
+		io_port->int_clr = IO_PORTX_INT_SERDES_TXBE;
+		io_port->ctl2 = data;
+		io_port->int_set = IO_PORTX_INT_SERDES_TXBUF_VALID;
+	}
+}
+
+static void ubi32_serdes_hw_init(struct uart_port *port, int baud)
+{
+	struct ubicom32_io_port *io_port = IO_PORT(port);
+
+	if ( io_port ) {
+		/*
+		 * Put port functions 1-4 into reset state.
+		 * Function 0 (GPIO) does not need or have a reset bit.
+		 *
+		 * Select SERDES function for restart below.
+		 */
+		io_port->function =
+			IO_FUNC_FUNCTION_RESET(1) | IO_FUNC_FUNCTION_RESET(2) |
+			IO_FUNC_FUNCTION_RESET(3) | IO_FUNC_FUNCTION_RESET(4) |
+			IO_PORTX_FUNC_SERDES;
+
+		/*
+		 * Configure SERDES baudrate
+		 */
+		if ( baud == 0 ) {
+			baud = ubi32_serdes_default_baud_rate;
+		}
+
+		io_port->ctl0 =
+			SERIAL_UBICOM_CTL0 |
+			((port->uartclk / (16 * baud)) - 1);
+
+		io_port->ctl1 =
+			SERIAL_UBICOM_CTL1;
+
+		/*
+		 * don't interrupt until startup and start_tx
+		 */
+		io_port->int_mask = 0;
+
+		/*
+		 * Set TXD pin output, RXD input and prevent GPIO
+		 * override on the TXD & RXD pins
+		 */
+		io_port->gpio_ctl &= ~SERIAL_UBICOM_PIN_RXD;
+		io_port->gpio_ctl |= SERIAL_UBICOM_PIN_TXD;
+		io_port->gpio_mask &= ~(SERIAL_UBICOM_PIN_RXD | SERIAL_UBICOM_PIN_TXD);
+
+		/*
+		 * Restart (un-reset) the port's SERDES function.
+		 */
+		io_port->function &= ~(IO_FUNC_FUNCTION_RESET(IO_PORTX_FUNC_SERDES));
+	}
+}
+
+#define ULITE_STATUS_RXVALID IO_PORTX_INT_SERDES_RXBF
+#define ULITE_STATUS_OVERRUN 0
+#define ULITE_STATUS_FRAME 0
+#define ULITE_STATUS_PARITY 0
+#define ULITE_STATUS_TXEMPTY IO_PORTX_INT_SERDES_TXBE
+#define ULITE_STATUS_TXFULL 0
+
+static int ubi32_serdes_receive(struct uart_port *port, int stat)
+{
+	struct tty_struct *tty = port->info->port.tty;
+	unsigned char ch = 0;
+	char flag = TTY_NORMAL;
+
+	if ((stat & (ULITE_STATUS_RXVALID | ULITE_STATUS_OVERRUN
+		     | ULITE_STATUS_FRAME)) == 0)
+		return 0;
+
+	/* stats */
+	if (stat & ULITE_STATUS_RXVALID) {
+		port->icount.rx++;
+		ch = ubi32_serdes_get_char((struct ubicom32_io_port *)port->membase);
+
+		if (stat & ULITE_STATUS_PARITY)
+			port->icount.parity++;
+	}
+
+	if (stat & ULITE_STATUS_OVERRUN)
+		port->icount.overrun++;
+
+	if (stat & ULITE_STATUS_FRAME)
+		port->icount.frame++;
+
+
+	/* drop byte with parity error if IGNPAR specificed */
+	if (stat & port->ignore_status_mask & ULITE_STATUS_PARITY)
+		stat &= ~ULITE_STATUS_RXVALID;
+
+	stat &= port->read_status_mask;
+
+	if (stat & ULITE_STATUS_PARITY)
+		flag = TTY_PARITY;
+
+	stat &= ~port->ignore_status_mask;
+
+	if (stat & ULITE_STATUS_RXVALID)
+		tty_insert_flip_char(tty, ch, flag);
+
+	if (stat & ULITE_STATUS_FRAME)
+		tty_insert_flip_char(tty, 0, TTY_FRAME);
+
+	if (stat & ULITE_STATUS_OVERRUN)
+		tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+
+	return 1;
+}
+
+/*
+ * interrupts are disabled on entry
+ */
+static void ubi32_serdes_stop_tx(struct uart_port *port)
+{
+	IO_PORT_INT_MASK(port) = IO_PORT_INT_MASK(port) & ~IO_PORTX_INT_SERDES_TXBE;
+}
+
+static int ubi32_serdes_transmit(struct uart_port *port, int stat)
+{
+	struct circ_buf *xmit  = &port->info->xmit;
+
+	if (!(stat & IO_PORTX_INT_SERDES_TXBE))
+		return 0;
+
+	if (port->x_char) {
+		ubi32_serdes_put_char(IO_PORT(port), port->x_char);
+		port->x_char = 0;
+		port->icount.tx++;
+		return 1;
+	}
+
+	if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {
+		ubi32_serdes_stop_tx(port);
+		return 0;
+	}
+
+	ubi32_serdes_put_char(IO_PORT(port), xmit->buf[xmit->tail]);
+	xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE-1);
+	port->icount.tx++;
+
+	/* wake up */
+	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
+		uart_write_wakeup(port);
+
+	if (uart_circ_empty(xmit))
+		ubi32_serdes_stop_tx(port);
+
+	return 1;
+}
+
+/*
+ * port is locked and interrupts are disabled
+ */
+static void ubi32_serdes_start_tx(struct uart_port *port)
+{
+	IO_PORT_INT_MASK(port) = IO_PORT_INT_MASK(port) | IO_PORTX_INT_SERDES_TXBE;
+	ubi32_serdes_transmit(port, IO_PORT_INT_STATUS(port));
+}
+
+/*
+ * Interrupts are enabled
+ */
+static void ubi32_serdes_stop_rx(struct uart_port *port)
+{
+	/* don't forward any more data (like !CREAD) */
+	port->ignore_status_mask = IO_PORTX_INT_SERDES_RXBF;
+}
+
+/*
+ * Set the modem control timer to fire immediately.
+ */
+static void ubi32_serdes_enable_ms(struct uart_port *port)
+{
+	/* N/A */
+}
+
+static irqreturn_t ubi32_serdes_isr(int irq, void *dev_id)
+{
+	struct uart_port *port = dev_id;
+	int busy;
+
+	spin_lock(&port->lock);
+
+	do {
+		int stat = IO_PORT_INT_STATUS(port);
+		busy  = ubi32_serdes_receive(port, stat);
+		busy |= ubi32_serdes_transmit(port, stat);
+	} while (busy);
+
+	tty_flip_buffer_push(port->info->port.tty);
+
+	spin_unlock(&port->lock);
+
+	return IRQ_HANDLED;
+}
+
+/*
+ * Return TIOCSER_TEMT when transmitter is not busy.
+ */
+static unsigned int ubi32_serdes_tx_empty(struct uart_port *port)
+{
+	unsigned long flags;
+	unsigned int ret;
+
+	spin_lock_irqsave(&port->lock, flags);
+	ret = IO_PORT_INT_STATUS(port);
+	spin_unlock_irqrestore(&port->lock, flags);
+
+	return ret & ULITE_STATUS_TXEMPTY ? TIOCSER_TEMT : 0;
+}
+
+static unsigned int ubi32_serdes_get_mctrl(struct uart_port *port)
+{
+	return TIOCM_CTS | TIOCM_DSR | TIOCM_CAR;
+}
+
+static void ubi32_serdes_set_mctrl(struct uart_port *port, unsigned int mctrl)
+{
+	/* N/A */
+}
+
+/*
+ * Interrupts are always disabled.
+ */
+static void ubi32_serdes_break_ctl(struct uart_port *port, int break_state)
+{
+	/* N/A */
+}
+
+static int ubi32_serdes_startup(struct uart_port *port)
+{
+	if (request_irq(port->irq, ubi32_serdes_isr, IRQF_DISABLED,
+	     "UBI32_SERDES", port)) {
+		printk(KERN_NOTICE "Unable to attach port interrupt\n");
+		return -EBUSY;
+	}
+
+	IO_PORT_INT_CLR(port) = IO_PORTX_INT_SERDES_RXBF;
+	IO_PORT_INT_MASK(port) = IO_PORTX_INT_SERDES_RXBF;
+	return 0;
+}
+
+static void ubi32_serdes_shutdown(struct uart_port *port)
+{
+	struct ubi32_serdes_port *uart = (struct ubi32_serdes_port *)port;
+
+	IO_PORT_INT_MASK(port) = 0;
+	free_irq(port->irq, uart);
+}
+
+static void
+ubi32_serdes_set_termios(struct uart_port *port, struct ktermios *termios,
+		   struct ktermios *old)
+{
+	unsigned long flags;
+	unsigned int baud;
+
+	spin_lock_irqsave(&port->lock, flags);
+
+	port->read_status_mask = ULITE_STATUS_RXVALID | ULITE_STATUS_OVERRUN
+		| ULITE_STATUS_TXFULL;
+
+	if (termios->c_iflag & INPCK)
+		port->read_status_mask |=
+			ULITE_STATUS_PARITY | ULITE_STATUS_FRAME;
+
+	port->ignore_status_mask = 0;
+	if (termios->c_iflag & IGNPAR)
+		port->ignore_status_mask |= ULITE_STATUS_PARITY
+			| ULITE_STATUS_FRAME | ULITE_STATUS_OVERRUN;
+
+	/* ignore all characters if CREAD is not set */
+	if ((termios->c_cflag & CREAD) == 0)
+		port->ignore_status_mask |=
+			ULITE_STATUS_RXVALID | ULITE_STATUS_PARITY
+			| ULITE_STATUS_FRAME | ULITE_STATUS_OVERRUN;
+
+	/* update timeout */
+	baud = uart_get_baud_rate(port, termios, old, 0, 460800);
+	uart_update_timeout(port, termios->c_cflag, baud);
+
+	IO_PORT(port)->ctl0 = SERIAL_UBICOM_CTL0 |
+			((port->uartclk / (16 * baud)) - 1);
+
+	spin_unlock_irqrestore(&port->lock, flags);
+}
+
+static const char *ubi32_serdes_type(struct uart_port *port)
+{
+	return port->type == PORT_UBI32_SERDES ? "UBI32_SERDES" : NULL;
+}
+
+/*
+ * Release the memory region(s) being used by 'port'.
+ */
+static void ubi32_serdes_release_port(struct uart_port *port)
+{
+}
+
+/*
+ * Request the memory region(s) being used by 'port'.
+ */
+static int ubi32_serdes_request_port(struct uart_port *port)
+{
+	return 0;
+}
+
+/*
+ * Configure/autoconfigure the port.
+ */
+static void ubi32_serdes_config_port(struct uart_port *port, int flags)
+{
+	if (flags & UART_CONFIG_TYPE &&
+	    ubi32_serdes_request_port(port) == 0)
+		port->type = PORT_UBI32_SERDES;
+}
+
+/*
+ * Verify the new serial_struct (for TIOCSSERIAL).
+ * The only change we allow are to the flags and type, and
+ * even then only between PORT_UBI32_SERDES and PORT_UNKNOWN
+ */
+static int
+ubi32_serdes_verify_port(struct uart_port *port, struct serial_struct *ser)
+{
+	return 0;
+}
+
+static struct uart_ops ubi32_serdes_pops = {
+	.tx_empty	= ubi32_serdes_tx_empty,
+	.set_mctrl	= ubi32_serdes_set_mctrl,
+	.get_mctrl	= ubi32_serdes_get_mctrl,
+	.stop_tx	= ubi32_serdes_stop_tx,
+	.start_tx	= ubi32_serdes_start_tx,
+	.stop_rx	= ubi32_serdes_stop_rx,
+	.enable_ms	= ubi32_serdes_enable_ms,
+	.break_ctl	= ubi32_serdes_break_ctl,
+	.startup	= ubi32_serdes_startup,
+	.shutdown	= ubi32_serdes_shutdown,
+	.set_termios	= ubi32_serdes_set_termios,
+	.type		= ubi32_serdes_type,
+	.release_port	= ubi32_serdes_release_port,
+	.request_port	= ubi32_serdes_request_port,
+	.config_port	= ubi32_serdes_config_port,
+	.verify_port	= ubi32_serdes_verify_port,
+};
+
+static void __init ubi32_serdes_init_ports(void)
+{
+	int i;
+
+	for (i = 0; i < NR_PORTS; i++) {
+		ubi32_serdes_ports[i].uartclk   = ubi32_serdes_resource[i].uart_clock;
+		ubi32_serdes_ports[i].ops       = &ubi32_serdes_pops;
+		ubi32_serdes_ports[i].line      = i;
+		ubi32_serdes_ports[i].iotype    = UPIO_MEM;
+		ubi32_serdes_ports[i].membase   =
+			(void __iomem *)ubi32_serdes_resource[i].uart_base_addr;
+		ubi32_serdes_ports[i].mapbase   =
+			(resource_size_t)ubi32_serdes_resource[i].uart_base_addr;
+		ubi32_serdes_ports[i].irq       =
+			ubi32_serdes_resource[i].uart_irq;
+		ubi32_serdes_ports[i].flags     = UPF_BOOT_AUTOCONF;
+
+		ubi32_serdes_hw_init(&ubi32_serdes_ports[i], 0);
+	}
+
+}
+
+#ifdef CONFIG_SERIAL_UBI32_SERDES_CONSOLE
+/*
+ * If the port was already initialised (eg, by a boot loader),
+ * try to determine the current setup.
+ */
+static void __init
+ubi32_serdes_console_get_options(struct uart_port *port, int *baud)
+{
+	u32 round_to = 1200;
+	u32 real_baud;
+
+	/*
+	 * We might get called before platform init and with no
+	 * kernel command line options, so port might be NULL.
+	 */
+	*baud = ubi32_serdes_default_baud_rate;;
+	if ( IO_PORT(port) == 0 )
+		return;
+
+	real_baud = port->uartclk
+		/ (16 * ((IO_PORT(port)->ctl0 & ~SERIAL_UBICOM_CTL0) + 1));
+
+	*baud = ((real_baud + round_to - 1) / round_to) * round_to;
+
+	pr_debug("%s:baud = %d, real_baud = %d\n", __FUNCTION__, *baud, real_baud);
+}
+#endif
+
+#if defined(CONFIG_SERIAL_UBI32_SERDES_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+static struct uart_driver ubi32_serdes_reg;
+
+static int __init
+ubi32_serdes_console_setup(struct console *co, char *options)
+{
+	struct uart_port *port;
+#ifdef CONFIG_SERIAL_UBI32_SERDES_CONSOLE
+	int baud = ubi32_serdes_default_baud_rate;
+	int bits = 8;
+	int parity = 'n';
+	int flow = 'n';
+#endif
+
+	/*
+	 * Check whether an invalid uart number has been specified, and
+	 * if so, search for the first available port that does have
+	 * console support.
+	 */
+	if (co->index == -1 || co->index >= NR_PORTS)
+		co->index = 0;
+	port = &ubi32_serdes_ports[co->index];
+
+#ifdef CONFIG_SERIAL_UBI32_SERDES_CONSOLE
+	if (options) {
+		uart_parse_options(options, &baud, &parity, &bits, &flow);
+		ubi32_serdes_hw_init(port, baud);
+	}
+	else
+		ubi32_serdes_console_get_options(port, &baud);
+
+	return uart_set_options(port, co, baud, parity, bits, flow);
+#else
+	return 0;
+#endif
+}
+#endif /* defined (CONFIG_SERIAL_UBI32_SERDES_CONSOLE) ||
+				 defined (CONFIG_EARLY_PRINTK) */
+
+#ifdef CONFIG_SERIAL_UBI32_SERDES_CONSOLE
+static void
+ubi32_serdes_console_putchar(struct uart_port *port, int ch)
+{
+	if ( IO_PORT(port) ) {
+		while (!(IO_PORT_INT_STATUS(port) & IO_PORTX_INT_SERDES_TXBE))
+			barrier();
+		ubi32_serdes_put_char(IO_PORT(port), ch);
+	}
+}
+
+/*
+ * Interrupts are disabled on entering
+ */
+static void
+ubi32_serdes_console_write(struct console *co, const char *s, unsigned int count)
+{
+	struct uart_port *port = &ubi32_serdes_ports[co->index];
+	unsigned long flags = 0;
+
+	spin_lock_irqsave(&port->lock, flags);
+	uart_console_write(port, s, count, ubi32_serdes_console_putchar);
+	spin_unlock_irqrestore(&port->lock, flags);
+
+}
+
+static struct console ubi32_serdes_console = {
+	.name		= UBI32_SERDES_NAME,
+	.write		= ubi32_serdes_console_write,
+	.device		= uart_console_device,
+	.setup		= ubi32_serdes_console_setup,
+	.flags		= CON_PRINTBUFFER,
+	.index		= -1,
+	.data		= &ubi32_serdes_reg,
+};
+
+static int __init ubi32_serdes_console_init(void)
+{
+	ubi32_serdes_init_ports();
+	register_console(&ubi32_serdes_console);
+	return 0;
+}
+console_initcall(ubi32_serdes_console_init);
+
+#define UBI32_SERDES_CONSOLE	&ubi32_serdes_console
+#else
+#define UBI32_SERDES_CONSOLE	NULL
+#endif /* CONFIG_SERIAL_UBI32_SERDES_CONSOLE */
+
+
+#ifdef CONFIG_EARLY_PRINTK
+static __init void ubi32_serdes_early_putc(struct uart_port *port, int ch)
+{
+	unsigned timeout = 0xffff;
+
+	while ((!(IO_PORT_INT_STATUS(port) & IO_PORTX_INT_SERDES_TXBE)) && --timeout)
+		cpu_relax();
+	ubi32_serdes_put_char(IO_PORT(port), ch);
+}
+
+static __init void ubi32_serdes_early_write(struct console *con, const char *s,
+					unsigned int n)
+{
+	struct uart_port *port = &ubi32_serdes_ports[con->index];
+	unsigned int i;
+
+	for (i = 0; i < n; i++, s++) {
+		if (*s == '\n')
+			ubi32_serdes_early_putc(port, '\r');
+		ubi32_serdes_early_putc(port, *s);
+	}
+}
+
+static struct __init console ubi32_serdes_early_console = {
+	.name = "early_US",
+	.write = ubi32_serdes_early_write,
+	.device = uart_console_device,
+	.flags = CON_PRINTBUFFER,
+	.setup = ubi32_serdes_console_setup,
+	.index = -1,
+	.data  = &ubi32_serdes_reg,
+};
+
+/*
+ * XXX Unused in our driver. Need to find out what the termios initialization is good/needed for.
+ */
+struct console __init *ubi32_serdes_early_init(unsigned int port_index,
+						unsigned int cflag)
+{
+	struct uart_port *uart;
+	struct ktermios t;
+
+	if (port_index == -1 || port_index >= NR_PORTS)
+		port_index = 0;
+	ubi32_serdes_init_ports();
+	ubi32_serdes_early_console.index = port_index;
+	uart = &ubi32_serdes_ports[port_index];
+	t.c_cflag = cflag;
+	t.c_iflag = 0;
+	t.c_oflag = 0;
+	t.c_lflag = ICANON;
+	t.c_line = port_index;
+	ubi32_serdes_set_termios(uart, &t, &t);
+	return &ubi32_serdes_early_console;
+}
+
+#endif /* CONFIG_SERIAL_UBI32_SERDES_CONSOLE */
+
+static struct uart_driver ubi32_serdes_reg = {
+	.owner			= THIS_MODULE,
+	.driver_name		= "ubi32_serdes",
+	.dev_name		= UBI32_SERDES_NAME,
+	.major			= UBI32_SERDES_MAJOR,
+	.minor			= UBI32_SERDES_MINOR,
+	.nr			= NR_PORTS,
+	.cons			= UBI32_SERDES_CONSOLE,
+};
+
+static int ubi32_serdes_suspend(struct platform_device *dev, pm_message_t state)
+{
+	struct uart_port *port = platform_get_drvdata(dev);
+
+	if (port)
+		uart_suspend_port(&ubi32_serdes_reg, port);
+
+	return 0;
+}
+
+static int ubi32_serdes_resume(struct platform_device *dev)
+{
+	struct uart_port *port = platform_get_drvdata(dev);
+
+	if (port)
+		uart_resume_port(&ubi32_serdes_reg, port);
+
+	return 0;
+}
+
+static int ubi32_serdes_probe(struct platform_device *dev)
+{
+	struct resource *res = dev->resource;
+	int i;
+
+	for (i = 0; i < dev->num_resources; i++, res++) {
+		if (res->flags & IORESOURCE_MEM) {
+			ubi32_serdes_resource[0].uart_base_addr = (void *) res->start;
+		}
+		else if (res->flags & IORESOURCE_IRQ) {
+			ubi32_serdes_resource[0].uart_irq = res->start;
+		}
+		else if (res->flags & UBICOM32_SUART_IORESOURCE_CLOCK) {
+			ubi32_serdes_resource[0].uart_clock = res->start;
+		}
+	}
+
+	ubi32_serdes_init_ports();
+
+	return 0;
+}
+
+static int ubi32_serdes_remove(struct platform_device *pdev)
+{
+	struct uart_port *port = platform_get_drvdata(pdev);
+
+	platform_set_drvdata(pdev, NULL);
+
+	if (port)
+		uart_remove_one_port(&ubi32_serdes_reg, port);
+
+	return 0;
+}
+
+static struct platform_driver ubi32_serdes_driver = {
+	.remove		= ubi32_serdes_remove,
+	.suspend	= ubi32_serdes_suspend,
+	.resume		= ubi32_serdes_resume,
+	.driver		= {
+		.name	= "ubicom32suart",
+		.owner	= THIS_MODULE,
+	},
+};
+
+
+#ifndef MODULE
+/*
+ * Called at boot time.
+ *
+ * You can specify IO base, IRQ, and clock for the serdes serial port
+ * using kernel command line "serdes=0xiobase,irq,clock".  Values
+ * specified will be overwritten by platform device data, if present.
+ */
+static int __init ubi32_serdes_setup(char *str)
+{
+#define N_PARMS   (4+1)
+	int ints[N_PARMS];
+	int i;
+
+	str = get_options(str, ARRAY_SIZE(ints), ints);
+
+	for (i = 0; i < N_PARMS; i++) {
+		if (i < ints[0]) {
+			if (i == 0) {
+				ubi32_serdes_resource[0].uart_base_addr = (void *) ints[i+1];
+			}
+			else if (i == 1) {
+				ubi32_serdes_resource[0].uart_irq = ints[i+1];
+			}
+			else if (i == 2) {
+				ubi32_serdes_resource[0].uart_clock = ints[i+1];
+			}
+			else if (i == 3) {
+				ubi32_serdes_default_baud_rate = ints[i+1];
+			}
+		}
+	}
+	return 1;
+}
+
+__setup("serdes=", ubi32_serdes_setup);
+#endif
+
+static int __init ubi32_serdes_init(void)
+{
+	int ret;
+
+	pr_info("Serial: Ubicom32 serdes uart serial driver\n");
+
+	ret = platform_driver_probe(&ubi32_serdes_driver, ubi32_serdes_probe);
+	if (ret != 0) {
+		printk(KERN_INFO "serdes platform_driver_probe() failed: %d\n", ret);
+		return ret;
+	}
+
+	ubi32_serdes_init_ports();
+
+	ret = uart_register_driver(&ubi32_serdes_reg);
+	if ( ret == 0 ) {
+		ret = uart_add_one_port(&ubi32_serdes_reg, &ubi32_serdes_ports[0]);
+		if ( ret != 0 ) {
+			uart_unregister_driver(&ubi32_serdes_reg);
+		}
+	}
+
+	return ret;
+}
+
+static void __exit ubi32_serdes_exit(void)
+{
+	platform_driver_unregister(&ubi32_serdes_driver);
+	uart_unregister_driver(&ubi32_serdes_reg);
+}
+
+module_init(ubi32_serdes_init);
+module_exit(ubi32_serdes_exit);
+
+MODULE_AUTHOR("Rainer Keller <rkeller@ubicom.com>");
+MODULE_DESCRIPTION("Ubicom generic serial port driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_CHARDEV_MAJOR(UBI32_SERDES_MAJOR);
+MODULE_ALIAS("platform:ubi32_serdes");
diff -ruN linux-2.6.30.10/drivers/serial/ubi32_uarttio.c linux-2.6.30.10-ubi/drivers/serial/ubi32_uarttio.c
--- linux-2.6.30.10/drivers/serial/ubi32_uarttio.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/serial/ubi32_uarttio.c	2009-12-11 11:45:19.000000000 +0200
@@ -0,0 +1,1172 @@
+/*
+ * drivers/serial/ubi32_uarttio.c
+ *   Ubicom32 Serial Virtual Peripherial Driver
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/module.h>
+#include <linux/ioport.h>
+#include <linux/init.h>
+#include <linux/console.h>
+#include <linux/sysrq.h>
+#include <linux/platform_device.h>
+#include <linux/tty.h>
+#include <linux/tty_flip.h>
+#include <linux/serial_core.h>
+
+#include <asm/ip5000.h>
+#include <asm/gpio.h>
+#include <asm/thread.h>
+#include <asm/uart_tio.h>
+
+#define DRIVER_NAME	"ubi32_uarttio"
+
+/*
+ * For storing the module parameters.
+ */
+#define UBI32_UARTTIO_MAX_PARAM_LEN	80
+static char utio_ports_param[UBI32_UARTTIO_MAX_PARAM_LEN];
+
+/*
+ * UART name and device definitions
+ */
+#define UBI32_UARTTIO_NAME	"ttyUV" // XXX
+#define UBI32_UARTTIO_MAJOR	206 // XXX
+#define UBI32_UARTTIO_MINOR	64 // XXX
+
+/*
+ * The following structures are allocated statically because the
+ * memory allocation subsystem is not initialized this early on
+ */
+
+/*
+ * Per port structure
+ */
+struct ubi32_uarttio_port {
+	struct uarttio_uart		*uart;
+	unsigned int			tx_pin;
+	unsigned int			rx_pin;
+
+	struct uart_port		port;
+
+	u8_t				added;
+
+	/*
+	 * If this value is set, the port has had its direction set already
+	 */
+	u8_t				port_init;
+};
+static struct ubi32_uarttio_port uarttio_ports[CONFIG_SERIAL_UBI32_UARTTIO_NR_UARTS];
+
+/*
+ * Number of ports currently initialized
+ */
+static int uarttio_nports;
+
+/*
+ * Per device structure
+ */
+struct ubi32_uarttio_instance {
+	struct uarttio_regs		*regs;
+	struct ubi32_uarttio_port	*ports;
+
+	u8_t				irq_requested;
+	u8_t				driver_registered;
+	u8_t				irq;
+};
+static struct ubi32_uarttio_instance uarttio_inst;
+
+#ifdef CONFIG_SERIAL_UBI32_UARTTIO_CONSOLE
+static struct console ubi32_uarttio_console;
+#define UBI32_UARTTIO_CONSOLE	&ubi32_uarttio_console
+#else
+#define UBI32_UARTTIO_CONSOLE	NULL
+#endif
+
+static struct uart_driver ubi32_uarttio_uart_driver = {
+	.owner			= THIS_MODULE,
+	.driver_name		= DRIVER_NAME,
+	.dev_name		= UBI32_UARTTIO_NAME,
+	.major			= UBI32_UARTTIO_MAJOR,
+	.minor			= UBI32_UARTTIO_MINOR,
+	.cons			= UBI32_UARTTIO_CONSOLE,
+};
+
+#ifdef UBI32_UARTTIO_UNUSED
+/*
+ * ubi32_uarttio_get_send_space
+ */
+static int ubi32_uarttio_get_send_space(struct uarttio_uart *uart)
+{
+	int count = uart->tx_fifo_head - uart->tx_fifo_tail;
+	if (count < 0) {
+		count += uart->tx_fifo_size;
+	}
+	return uart->tx_fifo_size - count;
+}
+#endif
+
+/*
+ * ubi32_uarttio_get_recv_ready
+ */
+static int ubi32_uarttio_get_recv_ready(struct uarttio_uart *uart)
+{
+	int count = uart->rx_fifo_head - uart->rx_fifo_tail;
+	if (count < 0) {
+		count += uart->rx_fifo_size;
+	}
+	return count;
+}
+
+/*
+ * ubi32_uarttio_get_char()
+ */
+static u8_t ubi32_uarttio_get_char(struct uarttio_uart *uart)
+{
+	/*
+	 * Retrieve byte
+	 */
+	u32_t tail = uart->rx_fifo_tail;
+	u8_t data = uart->rx_fifo[tail];
+
+	if (++tail == uart->rx_fifo_size) {
+		tail = 0;
+	}
+	uart->rx_fifo_tail = tail;
+
+	return data;
+}
+
+/*
+ * ubi32_uarttio_put_char()
+ */
+static int ubi32_uarttio_put_char(struct uarttio_uart *uart, u8_t c)
+{
+	u32_t head = uart->tx_fifo_head;
+	u32_t prev = head;
+
+	/*
+	 * Wrap
+	 */
+	if (++head == uart->tx_fifo_size) {
+		head = 0;
+	}
+
+	/*
+	 * If there isn't any space, return EBUSY
+	 */
+	if (head == uart->tx_fifo_tail) {
+		return -EBUSY;
+	}
+
+	/*
+	 * Put the character in the queue
+	 */
+	uart->tx_fifo[prev] = c;
+	uart->tx_fifo_head = head;
+
+	return 0;
+}
+
+/*
+ * ubi32_uarttio_set_baud
+ */
+static int ubi32_uarttio_set_baud(struct ubi32_uarttio_port *uup, unsigned int baud)
+{
+	if (uup->uart->current_baud_rate == baud) {
+		return 0;
+	}
+
+	uup->uart->baud_rate = baud;
+	uup->uart->flags |= UARTTIO_UART_FLAG_SET_RATE;
+	while (uup->uart->flags & UARTTIO_UART_FLAG_SET_RATE) {
+		cpu_relax();
+	}
+
+	if (uup->uart->current_baud_rate != baud) {
+		/*
+		 * Failed to set baud rate
+		 */
+		printk(KERN_WARNING "Invalid baud rate %u, running at %u\n", baud, uup->uart->current_baud_rate);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+/*
+ * ubi32_uarttio_handle_receive
+ */
+static void ubi32_uarttio_handle_receive(struct ubi32_uarttio_port *uup, int stat)
+{
+	struct uarttio_uart *uart = uup->uart;
+	struct uart_port *port = &uup->port;
+	struct tty_struct *tty = port->info->port.tty;
+	unsigned char ch = 0;
+	char flag = TTY_NORMAL;
+	int count;
+
+	if ((stat & (UARTTIO_UART_INT_RX | UARTTIO_UART_INT_RXFRAME | UARTTIO_UART_INT_RXOVF)) == 0) {
+		return;
+	}
+
+	if (stat & UARTTIO_UART_INT_RX) {
+		count = ubi32_uarttio_get_recv_ready(uart);
+		port->icount.rx += count;
+	}
+
+	if (stat & UARTTIO_UART_INT_RXOVF) {
+		port->icount.overrun++;
+	}
+
+	if (stat & UARTTIO_UART_INT_RXFRAME) {
+		port->icount.frame++;
+	}
+
+	stat &= ~port->ignore_status_mask;
+
+	if (stat & UARTTIO_UART_INT_RX) {
+		int i;
+		for (i = 0; i < count; i++) {
+			ch = ubi32_uarttio_get_char(uart);
+			tty_insert_flip_char(tty, ch, flag);
+		}
+	}
+
+	if (stat & UARTTIO_UART_INT_RXFRAME) {
+		tty_insert_flip_char(tty, 0, TTY_FRAME);
+	}
+
+	if (stat & UARTTIO_UART_INT_RXOVF) {
+		tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+	}
+}
+
+/*
+ * ubi32_uarttio_stop_tx
+ *	interrupts are disabled on entry
+ */
+static void ubi32_uarttio_stop_tx(struct uart_port *port)
+{
+	struct ubi32_uarttio_port *uup = port->private_data;
+
+	uup->uart->int_mask &= ~UARTTIO_UART_INT_TXBE;
+}
+
+/*
+ * ubi32_uarttio_handle_transmit
+ */
+static void ubi32_uarttio_handle_transmit(struct ubi32_uarttio_port *uup, int stat)
+{
+	struct uarttio_uart *uart = uup->uart;
+	struct uart_port *port = &uup->port;
+	struct circ_buf *xmit  = &port->info->xmit;
+
+	if (!(stat & UARTTIO_UART_INT_TXBE)) {
+		return;
+	}
+
+	if (port->x_char) {
+		if (ubi32_uarttio_put_char(uart, port->x_char)) {
+			return;
+		}
+		port->x_char = 0;
+		port->icount.tx++;
+		return;
+	}
+
+	if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {
+		ubi32_uarttio_stop_tx(port);
+		return;
+	}
+
+	/*
+	 * Send as many characters as we can
+	 */
+	while (ubi32_uarttio_put_char(uart, xmit->buf[xmit->tail]) == 0) {
+		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
+		port->icount.tx++;
+		if (uart_circ_empty(xmit)) {
+			break;
+		}
+	}
+
+	/* wake up */
+	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) {
+		uart_write_wakeup(port);
+	}
+
+	if (uart_circ_empty(xmit)) {
+		ubi32_uarttio_stop_tx(port);
+	}
+}
+
+/*
+ * ubi32_uarttio_start_tx
+ *	port is locked and interrupts are disabled
+ */
+static void ubi32_uarttio_start_tx(struct uart_port *port)
+{
+	struct ubi32_uarttio_port *uup = port->private_data;
+	struct uarttio_uart *uart = uup->uart;
+
+	uart->int_mask |= UARTTIO_UART_INT_TXBE;
+}
+
+/*
+ * ubi32_uarttio_stop_rx
+ *	Interrupts are enabled
+ */
+static void ubi32_uarttio_stop_rx(struct uart_port *port)
+{
+	struct ubi32_uarttio_port *uup = port->private_data;
+	struct uarttio_uart *uart = uup->uart;
+
+	/*
+	 * don't forward any more data (like !CREAD)
+	 */
+	uart->int_mask &= ~UARTTIO_UART_INT_RX;
+	port->ignore_status_mask = UARTTIO_UART_INT_RX;
+}
+
+/*
+ * ubi32_uarttio_enable_ms
+ *	Set the modem control timer to fire immediately.
+ */
+static void ubi32_uarttio_enable_ms(struct uart_port *port)
+{
+	/* N/A */
+}
+
+/*
+ * ubi32_uarttio_isr
+ */
+static irqreturn_t ubi32_uarttio_isr(int irq, void *appdata)
+{
+	struct ubi32_uarttio_port *uup = uarttio_ports;
+	int i;
+
+	/*
+	 * Service all of the ports
+	 */
+	for (i = 0; i < uarttio_nports; i++) {
+		unsigned int flags;
+
+		if (!(uup->uart->flags & UARTTIO_UART_FLAG_ENABLED)) {
+			uup++;
+			continue;
+		}
+
+		spin_lock(&uup->port.lock);
+
+		flags = uup->uart->int_flags;
+
+		uup->uart->int_flags = 0;
+
+		ubi32_uarttio_handle_receive(uup, flags);
+		ubi32_uarttio_handle_transmit(uup, flags);
+
+		tty_flip_buffer_push(uup->port.info->port.tty);
+
+		spin_unlock(&uup->port.lock);
+
+		uup++;
+	}
+
+	return IRQ_HANDLED;
+}
+
+/*
+ * ubi32_uarttio_tx_empty
+ *	Return TIOCSER_TEMT when transmitter is not busy.
+ */
+static unsigned int ubi32_uarttio_tx_empty(struct uart_port *port)
+{
+	struct ubi32_uarttio_port *uup = port->private_data;
+
+	if (uup->uart->tx_fifo_head == uup->uart->tx_fifo_tail) {
+		return TIOCSER_TEMT;
+	}
+
+	return 0;
+}
+
+/*
+ * ubi32_uarttio_get_mctrl
+ */
+static unsigned int ubi32_uarttio_get_mctrl(struct uart_port *port)
+{
+	return TIOCM_CTS | TIOCM_DSR | TIOCM_CAR;
+}
+
+/*
+ * ubi32_uarttio_set_mctrl
+ */
+static void ubi32_uarttio_set_mctrl(struct uart_port *port, unsigned int mctrl)
+{
+	/* N/A */
+}
+
+/*
+ * ubi32_uarttio_break_ctl
+ */
+static void ubi32_uarttio_break_ctl(struct uart_port *port, int break_state)
+{
+	/* N/A */
+}
+
+/*
+ * ubi32_uarttio_startup
+ */
+static int ubi32_uarttio_startup(struct uart_port *port)
+{
+	struct ubi32_uarttio_port *uup = port->private_data;
+	struct uarttio_uart *uart = uup->uart;
+
+	uart->flags |= UARTTIO_UART_FLAG_ENABLED;
+
+	uart->int_mask |= UARTTIO_UART_INT_TXBE | UARTTIO_UART_INT_RX;
+
+	return 0;
+}
+
+/*
+ * ubi32_uarttio_shutdown
+ */
+static void ubi32_uarttio_shutdown(struct uart_port *port)
+{
+	struct ubi32_uarttio_port *uup = port->private_data;
+	struct uarttio_uart *uart = uup->uart;
+
+	uart->int_mask = 0;
+	uart->flags &= ~UARTTIO_UART_FLAG_ENABLED;
+}
+
+/*
+ * ubi32_uarttio_set_termios
+ */
+static void ubi32_uarttio_set_termios(struct uart_port *port, struct ktermios *termios, struct ktermios *old)
+{
+	struct ubi32_uarttio_port *uup = port->private_data;
+	unsigned long flags;
+	unsigned int baud;
+
+	spin_lock_irqsave(&port->lock, flags);
+
+#if 0
+	port->read_status_mask = UBI32_UARTTIO_RX | UBI32_UARTTIO_RXOVF | UBI32_UARTTIO_TXOVF;
+
+	if (termios->c_iflag & INPCK) {
+		port->read_status_mask |= UBI32_UARTTIO_RXFRAME;
+	}
+#endif
+
+	port->ignore_status_mask = 0;
+	if (termios->c_iflag & IGNPAR) {
+		port->ignore_status_mask |= UARTTIO_UART_INT_RXFRAME |
+					    UARTTIO_UART_INT_RXOVF;
+	}
+
+	/*
+	 * ignore all characters if CREAD is not set
+	 */
+	if ((termios->c_cflag & CREAD) == 0) {
+		port->ignore_status_mask |= UARTTIO_UART_INT_RX |
+					    UARTTIO_UART_INT_RXFRAME |
+					    UARTTIO_UART_INT_RXOVF;
+	}
+
+	/* update timeout */
+	baud = uart_get_baud_rate(port, termios, old, 0, 460800);
+	uart_update_timeout(port, termios->c_cflag, baud);
+
+	ubi32_uarttio_set_baud(uup, baud);
+	spin_unlock_irqrestore(&port->lock, flags);
+}
+
+/*
+ * ubi32_uarttio_type
+ */
+static const char *ubi32_uarttio_type(struct uart_port *port)
+{
+	return (port->type == PORT_UBI32_UARTTIO) ? "UBI32_UARTTIO" : NULL;
+}
+
+/*
+ * ubi32_uarttio_release_port
+ *	Release the memory region(s) being used by 'port'.
+ */
+static void ubi32_uarttio_release_port(struct uart_port *port)
+{
+}
+
+/*
+ * ubi32_uarttio_request_port
+ *	Request the memory region(s) being used by 'port'.
+ */
+static int ubi32_uarttio_request_port(struct uart_port *port)
+{
+	return 0;
+}
+
+/*
+ * ubi32_uarttio_config_port
+ *	Configure/autoconfigure the port.
+ */
+static void ubi32_uarttio_config_port(struct uart_port *port, int flags)
+{
+	if ((flags & UART_CONFIG_TYPE) && (ubi32_uarttio_request_port(port) == 0)) {
+		port->type = PORT_UBI32_UARTTIO;
+	}
+}
+
+/*
+ * ubi32_uarttio_verify_port
+ *	Verify the new serial_struct (for TIOCSSERIAL).
+ *
+ * The only change we allow are to the flags and type, and
+ * even then only between PORT_UBI32_UARTTIO and PORT_UNKNOWN
+ */
+static int ubi32_uarttio_verify_port(struct uart_port *port, struct serial_struct *ser)
+{
+	return 0;
+}
+
+static struct uart_ops ubi32_uarttio_pops = {
+	.tx_empty	= ubi32_uarttio_tx_empty,
+	.set_mctrl	= ubi32_uarttio_set_mctrl,
+	.get_mctrl	= ubi32_uarttio_get_mctrl,
+	.stop_tx	= ubi32_uarttio_stop_tx,
+	.start_tx	= ubi32_uarttio_start_tx,
+	.stop_rx	= ubi32_uarttio_stop_rx,
+	.enable_ms	= ubi32_uarttio_enable_ms,
+	.break_ctl	= ubi32_uarttio_break_ctl,
+	.startup	= ubi32_uarttio_startup,
+	.shutdown	= ubi32_uarttio_shutdown,
+	.set_termios	= ubi32_uarttio_set_termios,
+	.type		= ubi32_uarttio_type,
+	.release_port	= ubi32_uarttio_release_port,
+	.request_port	= ubi32_uarttio_request_port,
+	.config_port	= ubi32_uarttio_config_port,
+	.verify_port	= ubi32_uarttio_verify_port,
+};
+
+/*
+ * ubi32_uarttio_add_ports
+ */
+static int __init ubi32_uarttio_add_ports(void)
+{
+	int res = 0;
+	struct ubi32_uarttio_port *uup = uarttio_ports;
+	int i = 0;
+
+	for (i = 0; i < uarttio_nports; i++) {
+		/*
+		 * Setup the GPIOs
+		 */
+		res = gpio_request(uup->tx_pin, "ubi32_uarttio_tx");
+		if (res) {
+			printk(KERN_WARNING "Failed to request GPIO %d\n", uup->tx_pin);
+			res = -EBUSY;
+			goto next;
+		}
+
+		res = gpio_request(uup->rx_pin, "ubi32_uarttio_rx");
+		if (res) {
+			gpio_free(uup->tx_pin);
+			printk(KERN_WARNING "Failed to request GPIO %d\n", uup->rx_pin);
+			res = -EBUSY;
+			goto next;
+		}
+
+		res = uart_add_one_port(&ubi32_uarttio_uart_driver, &uup->port);
+		if (res) {
+			gpio_free(uup->rx_pin);
+			gpio_free(uup->tx_pin);
+			res = -ENODEV;
+			printk(KERN_WARNING "Failed to add port %d,%d\n", uup->tx_pin, uup->rx_pin);
+			goto next;
+		}
+		uup->added = 1;
+
+		/*
+		 * Set the direction of the ports now, after we're sure that everything is ok
+		 */
+		if (!uup->port_init) {
+			gpio_direction_output(uup->tx_pin, 1);
+			gpio_direction_input(uup->rx_pin);
+		}
+
+next:
+		uup++;
+	}
+	return res;
+}
+
+/*
+ * ubi32_uarttio_cleanup
+ */
+static void ubi32_uarttio_cleanup(void)
+{
+	struct ubi32_uarttio_port *uup;
+	int i;
+
+	/*
+	 * Stop the hardware thread
+	 */
+	if (uarttio_inst.regs) {
+		thread_disable(uarttio_inst.regs->thread);
+	}
+	if (uarttio_inst.irq_requested) {
+		free_irq(uarttio_inst.irq, NULL);
+	}
+
+	/*
+	 * Get rid of the ports
+	 */
+	uup = uarttio_inst.ports;
+	for (i = 0; i < uarttio_nports; i++) {
+		gpio_free(uup->tx_pin);
+		gpio_free(uup->rx_pin);
+		if (uup->added) {
+			uart_remove_one_port(&ubi32_uarttio_uart_driver, &uup->port);
+		}
+		uup++;
+	}
+
+	if (uarttio_inst.driver_registered) {
+		uart_unregister_driver(&ubi32_uarttio_uart_driver);
+	}
+}
+
+/*
+ * ubi32_uarttio_setup_port
+ *	Setup a port in the TIO registers
+ */
+static int ubi32_uarttio_setup_port(int index,
+				    struct uarttio_uart *uart,
+				    unsigned int baud, unsigned int tx_pin,
+				    unsigned int rx_pin)
+{
+	struct ubi32_uarttio_port *uup = &uarttio_ports[index];
+	void *tx_port = ubi_gpio_get_port(tx_pin);
+	void *rx_port = ubi_gpio_get_port(rx_pin);
+
+	/*
+	 * Verify the ports are on chip
+	 */
+	if (!tx_port || !rx_port) {
+		printk(KERN_WARNING "Invalid port(s) specified: %u or %u\n", tx_pin, rx_pin);
+		return -EINVAL;
+	}
+
+	uup->tx_pin = tx_pin;
+	uup->rx_pin = rx_pin;
+	uup->uart = uart;
+
+	/*
+	 * Setup the port structure
+	 */
+	uup->port.ops		= &ubi32_uarttio_pops;
+	uup->port.line		= index;
+	uup->port.iotype	= UPIO_MEM;
+	uup->port.flags		= UPF_BOOT_AUTOCONF;
+	uup->port.fifosize	= uup->uart->tx_fifo_size;
+	uup->port.private_data	= uup;
+
+	/*
+	 * We share this IRQ across all ports
+	 */
+	uup->port.irq		= uarttio_inst.irq;
+
+	/*
+	 * We really don't have a mem/map base but without these variables
+	 * set, the serial_core won't startup.
+	 */
+	uup->port.membase	= (void __iomem *)uup;
+	uup->port.mapbase	= (resource_size_t)uup;
+	spin_lock_init(&uup->port.lock);
+
+	/*
+	 * Set up the hardware
+	 */
+	uart->flags = UARTTIO_UART_FLAG_SET_RATE | UARTTIO_UART_FLAG_RESET;
+
+	uart->tx_port = (unsigned int)tx_port;
+	uart->tx_pin = gpio_pin_index(tx_pin);
+	uart->tx_bits = 8;
+	uart->tx_stop_bits = 1;
+
+	uart->rx_port = (unsigned int)rx_port;
+	uart->rx_pin = gpio_pin_index(rx_pin);
+	uart->rx_bits = 8;
+	uart->rx_stop_bits = 1;
+
+	uart->baud_rate = baud;
+
+	return 0;
+}
+
+enum ubi32_uarttio_parse_states {
+	UBI32_UARTTIO_PARSE_STATE_BAUD,
+	UBI32_UARTTIO_PARSE_STATE_TX_PIN,
+	UBI32_UARTTIO_PARSE_STATE_RX_PIN,
+	UBI32_UARTTIO_PARSE_STATE_HS,
+	UBI32_UARTTIO_PARSE_STATE_CTS_PIN,
+	UBI32_UARTTIO_PARSE_STATE_RTS_PIN,
+};
+
+/*
+ * ubi32_uarttio_parse_param
+ */
+static int ubi32_uarttio_parse_param(char *str)
+{
+	int res;
+	int i;
+	int baud = 0;
+	int tx_pin = 0;
+	int rx_pin = 0;
+	int hs = 0;
+	int cts_pin = 0;
+	int rts_pin = 0;
+	int nfound = 0;
+	enum ubi32_uarttio_parse_states state = UBI32_UARTTIO_PARSE_STATE_BAUD;
+	struct uarttio_uart *uart = uarttio_inst.regs->uarts;
+
+	/*
+	 * Run though the options and generate the proper structures
+	 */
+	res = get_option(&str, &i);
+	while ((res == 2) || (res == 1)) {
+		switch (state) {
+		case UBI32_UARTTIO_PARSE_STATE_BAUD:
+			/*
+			 * If we are here and nfound > 0 then create the port
+			 * based on the previous input
+			 */
+			if (nfound) {
+				/*
+				 * Create the port
+				 */
+				if (ubi32_uarttio_setup_port(nfound - 1, uart, baud, tx_pin, rx_pin)) {
+					/*
+					 * Port was invalid
+					 */
+					goto fail;
+				} else {
+					printk(KERN_INFO "Serial port %d: tx=%d:rx=%d @ %d\n", nfound, tx_pin, rx_pin, baud);
+					uart++;
+				}
+			}
+
+			/*
+			 * Reset the variables and go to the next state
+			 */
+			hs = 0;
+			baud = i;
+			state = UBI32_UARTTIO_PARSE_STATE_TX_PIN;
+			break;
+
+		case UBI32_UARTTIO_PARSE_STATE_TX_PIN:
+			tx_pin = i;
+			state = UBI32_UARTTIO_PARSE_STATE_RX_PIN;
+			break;
+
+		case UBI32_UARTTIO_PARSE_STATE_RX_PIN:
+			rx_pin = i;
+			state = UBI32_UARTTIO_PARSE_STATE_HS;
+			break;
+
+		case UBI32_UARTTIO_PARSE_STATE_HS:
+			hs = i;
+			if (hs) {
+				state = UBI32_UARTTIO_PARSE_STATE_CTS_PIN;
+				break;
+			}
+
+			if (nfound == uarttio_inst.regs->max_uarts) {
+				printk(KERN_WARNING "Maximum number of serial ports reached\n");
+				goto done;
+			}
+			nfound++;
+			state = UBI32_UARTTIO_PARSE_STATE_BAUD;
+			break;
+
+		case UBI32_UARTTIO_PARSE_STATE_CTS_PIN:
+			cts_pin = i;
+			state = UBI32_UARTTIO_PARSE_STATE_RTS_PIN;
+			break;
+
+		case UBI32_UARTTIO_PARSE_STATE_RTS_PIN:
+			rts_pin = i;
+
+			if (nfound == uarttio_inst.regs->max_uarts) {
+				printk(KERN_WARNING "Maximum number of serial ports reached\n");
+				goto done;
+			}
+			nfound++;
+			state = UBI32_UARTTIO_PARSE_STATE_BAUD;
+			break;
+		}
+		res = get_option(&str, &i);
+	}
+
+	if ((res > 2) || state != UBI32_UARTTIO_PARSE_STATE_BAUD) {
+		printk(KERN_WARNING "Parameter syntax error.\n");
+		res = -EINVAL;
+		goto fail;
+	}
+
+	/*
+	 * Create the final port
+	 */
+	if (ubi32_uarttio_setup_port(nfound - 1, uart, baud, tx_pin, rx_pin)) {
+		goto fail;
+	}
+	printk(KERN_INFO "Serial port %d: tx=%d:rx=%d @ %d\n", nfound, tx_pin, rx_pin, baud);
+
+done:
+	uarttio_nports = nfound;
+
+	return nfound ? 0 : -ENODEV;
+
+fail:
+	/*
+	 * Reset the ports
+	 */
+	uart = uarttio_inst.regs->uarts;
+	for (i = 0; i < uarttio_inst.regs->max_uarts; i++) {
+		uart->flags = 0;
+		uart++;
+	}
+
+	return res;
+}
+
+/*
+ * ubi32_uarttio_probe
+ */
+static int ubi32_uarttio_probe(void)
+{
+	int ret;
+	struct uarttio_node *uart_node;
+	char *str = utio_ports_param;
+	static int probed;
+	static int probe_result;
+
+	/*
+	 * We only want to be probed once, we could be probed twice
+	 * for example if we are used as a console
+	 */
+	if (probed) {
+		return probe_result;
+	}
+	probed = 1;
+
+	/*
+	 * Extract the TIO name from the setup string
+	 */
+	while (*str) {
+		if (*str == ',') {
+			*str++ = 0;
+			break;
+		}
+		str++;
+	}
+
+	if (!*str) {
+		probe_result = -EINVAL;
+		return -EINVAL;
+	}
+
+	uart_node = (struct uarttio_node *)devtree_find_node(utio_ports_param);
+	if (!uart_node) {
+		probe_result = -ENODEV;
+		return -ENODEV;
+	}
+
+	uarttio_inst.irq = uart_node->dn.recvirq;
+	uarttio_inst.regs = uart_node->regs;
+
+	/*
+	 * Parse module parameters.
+	 */
+	ret = ubi32_uarttio_parse_param(str);
+	if (ret != 0) {
+		ubi32_uarttio_cleanup();
+		probe_result = ret;
+		return ret;
+	}
+
+	ubi32_uarttio_uart_driver.nr = uarttio_nports;
+
+	return 0;
+}
+
+#if defined(CONFIG_SERIAL_UBI32_UARTTIO_CONSOLE)
+/*
+ * ubi32_uarttio_console_setup
+ */
+static int __init ubi32_uarttio_console_setup(struct console *co, char *options)
+{
+	int baud;
+	int bits = 8;
+	int parity = 'n';
+	int flow = 'n';
+	struct ubi32_uarttio_port *uup;
+
+	/*
+	 * Check whether an invalid uart number has been specified, and
+	 * if so, search for the first available port that does have
+	 * console support.
+	 */
+	if (co->index == -1 || co->index >= uarttio_nports) {
+		co->index = 0;
+	}
+	uup = &uarttio_ports[co->index];
+	baud = uup->uart->baud_rate;
+	uup->uart->flags |= UARTTIO_UART_FLAG_ENABLED;
+
+	/*
+	 * Setup the GPIOs
+	 *	We have to use the direct interface because the gpio
+	 *	subsystem is not available at this point.
+	 */
+	uup->port_init = 1;
+	UBICOM32_GPIO_SET_PIN_HIGH(uup->tx_pin);
+	UBICOM32_GPIO_SET_PIN_OUTPUT(uup->tx_pin);
+	UBICOM32_GPIO_SET_PIN_INPUT(uup->rx_pin);
+
+	/*
+	 * Start the thread
+	 */
+	thread_enable(uarttio_inst.regs->thread);
+
+	/*
+	 * Process options
+	 */
+	if (options) {
+		uart_parse_options(options, &baud, &parity, &bits, &flow);
+		if (ubi32_uarttio_set_baud(uup, baud)) {
+			baud = uup->uart->current_baud_rate;
+		}
+	}
+
+	return uart_set_options(&uup->port, co, baud, 'n', 8, 'n');
+}
+
+/*
+ * ubi32_uarttio_console_putchar
+ */
+static void ubi32_uarttio_console_putchar(struct uart_port *port, int ch)
+{
+	struct ubi32_uarttio_port *uup = port->private_data;
+
+	while (ubi32_uarttio_put_char(uup->uart, ch)) {
+		cpu_relax();
+	}
+}
+
+/*
+ * ubi32_uarttio_console_write
+ *	Interrupts are disabled on entering
+ */
+static void ubi32_uarttio_console_write(struct console *co, const char *s, unsigned int count)
+{
+	struct uart_port *port = &(uarttio_ports[co->index].port);
+	unsigned long flags = 0;
+
+	spin_lock_irqsave(&port->lock, flags);
+	uart_console_write(port, s, count, ubi32_uarttio_console_putchar);
+	spin_unlock_irqrestore(&port->lock, flags);
+}
+
+static struct console ubi32_uarttio_console = {
+	.name		= UBI32_UARTTIO_NAME,
+	.write		= ubi32_uarttio_console_write,
+	.device		= uart_console_device,
+	.setup		= ubi32_uarttio_console_setup,
+	.flags		= CON_PRINTBUFFER,
+	.index		= -1,
+	.data		= &ubi32_uarttio_uart_driver,
+};
+
+static int __init ubi32_uarttio_console_init(void)
+{
+	int res;
+
+	res = ubi32_uarttio_probe();
+	if (res) {
+		return res;
+	}
+
+	register_console(&ubi32_uarttio_console);
+	return 0;
+}
+console_initcall(ubi32_uarttio_console_init);
+#endif /* CONFIG_SERIAL_UBI32_UARTTIO_CONSOLE */
+
+/*
+ * ubi32_serial_suspend
+ */
+static int ubi32_uarttio_suspend(struct platform_device *pdev, pm_message_t state)
+{
+	int i;
+	for (i = 0; i < uarttio_nports; i++) {
+		uart_suspend_port(&ubi32_uarttio_uart_driver, &uarttio_ports[i].port);
+	}
+
+	return 0;
+}
+
+/*
+ * ubi32_serial_resume
+ */
+static int ubi32_uarttio_resume(struct platform_device *pdev)
+{
+	int i;
+	for (i = 0; i < uarttio_nports; i++) {
+		uart_resume_port(&ubi32_uarttio_uart_driver, &uarttio_ports[i].port);
+	}
+
+	return 0;
+}
+
+/*
+ * ubi32_uarttio_remove
+ */
+static int __devexit ubi32_uarttio_remove(struct platform_device *pdev)
+{
+	ubi32_uarttio_cleanup();
+
+	uart_unregister_driver(&ubi32_uarttio_uart_driver);
+
+	return 0;
+}
+
+static struct platform_driver ubi32_uarttio_platform_driver = {
+	.remove		= __devexit_p(ubi32_uarttio_remove),
+	.suspend	= ubi32_uarttio_suspend,
+	.resume		= ubi32_uarttio_resume,
+	.driver		= {
+		.name	= DRIVER_NAME,
+		.owner	= THIS_MODULE,
+	},
+};
+
+#ifndef MODULE
+/*
+ * Called at boot time.
+ *
+ * uarttio=TIONAME,(baud,tx_pin,rx_pin,handshake[,cts_pin,rts_pin],...)
+ *	TIONAME is the name of the devtree node which describes the UARTTIO
+ *	pin is the index of the pin, i.e. PA4 is 5 [(port * 32) + pin]
+ *	handshake = 1 to enable handshaking, provide cts_pin, rts_pin (UNSUPPORTED)
+ *	handshake = 0 to disable handshaking, do not provide cts_pin, rts_pin
+ *	Ex: uarttio=UARTTIO,57600,7,6,0,9600,8,9,0
+ */
+static int __init ubi32_uarttio_setup(char *str)
+{
+	strncpy(utio_ports_param, str, UBI32_UARTTIO_MAX_PARAM_LEN);
+	utio_ports_param[UBI32_UARTTIO_MAX_PARAM_LEN - 1] = 0;
+	return 1;
+}
+__setup("uarttio=", ubi32_uarttio_setup);
+#endif
+
+/*
+ * ubi32_uarttio_init
+ */
+static int __init ubi32_uarttio_init(void)
+{
+	int ret;
+	int i;
+
+	ret = ubi32_uarttio_probe();
+	if (ret) {
+		return ret;
+	}
+
+	/*
+	 * Request the IRQ (do it here since many ports share the same IRQ)
+	 */
+	ret = request_irq(uarttio_inst.irq, ubi32_uarttio_isr, IRQF_DISABLED, DRIVER_NAME, NULL);
+	if (ret != 0) {
+		printk(KERN_WARNING "Could not request IRQ %d\n", uarttio_inst.irq);
+		goto fail;
+	}
+	uarttio_inst.irq_requested = 1;
+
+	/*
+	 * Register the UART driver and add the ports
+	 */
+	ret = uart_register_driver(&ubi32_uarttio_uart_driver);
+	if (ret != 0) {
+		goto fail;
+	}
+	uarttio_inst.driver_registered = 1;
+
+	ret = ubi32_uarttio_add_ports();
+	if (ret != 0) {
+		ubi32_uarttio_cleanup();
+		return ret;
+	}
+
+	/*
+	 * Start the thread
+	 */
+	thread_enable(uarttio_inst.regs->thread);
+
+	for (i = 0; i < uarttio_nports; i++) {
+		pr_info("Serial: Ubicom32 uarttio #%d: tx:%d rx:%d baud:%d\n",
+			i, uarttio_ports[i].tx_pin, uarttio_ports[i].rx_pin,
+			uarttio_ports[i].uart->current_baud_rate);
+	}
+	pr_info("Serial: Ubicom32 uarttio started on thread:%d irq:%d\n", uarttio_inst.regs->thread, uarttio_inst.irq);
+
+	return ret;
+
+fail:
+	ubi32_uarttio_cleanup();
+	return ret;
+}
+module_init(ubi32_uarttio_init);
+
+/*
+ * ubi32_uarttio_exit
+ */
+static void __exit ubi32_uarttio_exit(void)
+{
+	platform_driver_unregister(&ubi32_uarttio_platform_driver);
+}
+module_exit(ubi32_uarttio_exit);
+
+module_param_string(ports, utio_ports_param, sizeof(utio_ports_param), 0444);
+MODULE_PARM_DESC(ports, "Sets the ports to allocate: ports=TIONAME,(baud,txpin,rxpin,handshake[,ctspin,rtspin],...)\n"
+			"     TIONAME is the name of the devtree node which describes the UARTTIO\n"
+			"     pin is the index of the pin, i.e. PA4 is 5 [(port * 32) + pin]\n"
+			"     handshake = 1 to enable handshaking, provide ctspin, rtspin (UNSUPPORTED)\n"
+			"     handshake = 0 to disable handshaking, do not provide ctspin, rtspin\n"
+			"     Ex: ports=UARTTIO,57600,7,6,0,9600,8,9,0\n");
+MODULE_AUTHOR("Patrick Tjin <pat.tjin@ubicom.com>");
+MODULE_DESCRIPTION("Ubicom serial virtual peripherial driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_CHARDEV_MAJOR(UBI32_UARTTIO_MAJOR);
+MODULE_ALIAS("platform:" DRIVER_NAME);
diff -ruN linux-2.6.30.10/drivers/spi/Kconfig linux-2.6.30.10-ubi/drivers/spi/Kconfig
--- linux-2.6.30.10/drivers/spi/Kconfig	2009-12-14 11:54:29.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/spi/Kconfig	2009-12-14 11:54:27.000000000 +0200
@@ -196,6 +196,15 @@
 	help
 	  SPI driver for Samsung S3C24XX series ARM SoCs
 
+config SPI_UBICOM32_GPIO
+	tristate "Ubicom32 SPI over GPIO"
+	depends on SPI_MASTER && UBICOM32 && EXPERIMENTAL
+	select SPI_BITBANG
+	select HAS_DMA
+	help
+	  SPI driver for the Ubicom32 architecture using
+	  GPIO lines to provide the SPI bus.
+
 config SPI_S3C24XX_GPIO
 	tristate "Samsung S3C24XX series SPI by GPIO"
 	depends on ARCH_S3C2410 && EXPERIMENTAL
diff -ruN linux-2.6.30.10/drivers/spi/Makefile linux-2.6.30.10-ubi/drivers/spi/Makefile
--- linux-2.6.30.10/drivers/spi/Makefile	2009-12-14 11:55:29.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/spi/Makefile	2009-12-14 11:55:25.000000000 +0200
@@ -27,6 +27,7 @@
 obj-$(CONFIG_SPI_MPC52xx_PSC)		+= mpc52xx_psc_spi.o
 obj-$(CONFIG_SPI_MPC83xx)		+= spi_mpc83xx.o
 obj-$(CONFIG_SPI_S3C24XX_GPIO)		+= spi_s3c24xx_gpio.o
+obj-$(CONFIG_SPI_UBICOM32_GPIO)		+= spi_ubicom32_gpio.o
 obj-$(CONFIG_SPI_S3C24XX)		+= spi_s3c24xx.o
 obj-$(CONFIG_SPI_TXX9)			+= spi_txx9.o
 obj-$(CONFIG_SPI_XILINX)		+= xilinx_spi.o
diff -ruN linux-2.6.30.10/drivers/spi/spi_ubicom32_gpio.c linux-2.6.30.10-ubi/drivers/spi/spi_ubicom32_gpio.c
--- linux-2.6.30.10/drivers/spi/spi_ubicom32_gpio.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/spi/spi_ubicom32_gpio.c	2009-12-11 11:45:19.000000000 +0200
@@ -0,0 +1,267 @@
+/*
+ * drivers/spi_spi_ubicom32_gpio.c
+ *	Ubicom32 GPIO based SPI driver
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/spinlock.h>
+#include <linux/workqueue.h>
+#include <linux/platform_device.h>
+
+#include <linux/spi/spi.h>
+#include <linux/spi/spi_bitbang.h>
+
+#include <linux/gpio.h>
+
+#include <asm/ubicom32-spi-gpio.h>
+
+#define DRIVER_NAME "ubicom32-spi-gpio"
+
+struct ubicom32_spi_gpio {
+	struct spi_bitbang			 bitbang;
+
+	struct ubicom32_spi_gpio_platform_data	*pdata;
+
+	struct platform_device			*dev;
+};
+
+/*
+ * The following 4 functions are used by EXPAND_BITBANG_TXRX to bitbang the data out.
+ */
+static inline void setsck(struct spi_device *dev, int on)
+{
+	struct ubicom32_spi_gpio *usg = (struct ubicom32_spi_gpio *)spi_master_get_devdata(dev->master);
+	gpio_set_value(usg->pdata->pin_clk, on ? 1 : 0);
+}
+
+static inline void setmosi(struct spi_device *dev, int on)
+{
+	struct ubicom32_spi_gpio *usg = (struct ubicom32_spi_gpio *)spi_master_get_devdata(dev->master);
+	gpio_set_value(usg->pdata->pin_mosi, on ? 1 : 0);
+}
+
+static inline u32 getmiso(struct spi_device *dev)
+{
+	struct ubicom32_spi_gpio *usg = (struct ubicom32_spi_gpio *)spi_master_get_devdata(dev->master);
+	return gpio_get_value(usg->pdata->pin_miso) ? 1 : 0;
+}
+
+#define spidelay(x) ndelay(x)
+
+#define	EXPAND_BITBANG_TXRX
+#include <linux/spi/spi_bitbang.h>
+
+/*
+ * ubicom32_spi_gpio_txrx_mode0
+ */
+static u32 ubicom32_spi_gpio_txrx_mode0(struct spi_device *spi, unsigned nsecs, u32 word, u8 bits)
+{
+	return bitbang_txrx_be_cpha0(spi, nsecs, 0, word, bits);
+}
+
+/*
+ * ubicom32_spi_gpio_txrx_mode1
+ */
+static u32 ubicom32_spi_gpio_txrx_mode1(struct spi_device *spi, unsigned nsecs, u32 word, u8 bits)
+{
+	return bitbang_txrx_be_cpha1(spi, nsecs, 0, word, bits);
+}
+
+/*
+ * ubicom32_spi_gpio_txrx_mode2
+ */
+static u32 ubicom32_spi_gpio_txrx_mode2(struct spi_device *spi, unsigned nsecs, u32 word, u8 bits)
+{
+	return bitbang_txrx_be_cpha0(spi, nsecs, 1, word, bits);
+}
+
+/*
+ * ubicom32_spi_gpio_txrx_mode3
+ */
+static u32 ubicom32_spi_gpio_txrx_mode3(struct spi_device *spi, unsigned nsecs, u32 word, u8 bits)
+{
+	return bitbang_txrx_be_cpha1(spi, nsecs, 1, word, bits);
+}
+
+/*
+ * ubicom32_spi_gpio_chipselect
+ */
+static void ubicom32_spi_gpio_chipselect(struct spi_device *dev, int value)
+{
+	struct ubicom32_spi_gpio_controller_data *cd = (struct ubicom32_spi_gpio_controller_data *)dev->controller_data;
+	unsigned int cs_polarity = dev->mode & SPI_CS_HIGH ? 1 : 0;
+
+	if (value == BITBANG_CS_ACTIVE) {
+		gpio_set_value(cd->pin_cs, cs_polarity);
+		return;
+	}
+	gpio_set_value(cd->pin_cs, !cs_polarity);
+}
+
+/*
+ * ubicom32_spi_gpio_probe
+ */
+static int ubicom32_spi_gpio_probe(struct platform_device *dev)
+{
+	struct ubicom32_spi_gpio_platform_data *pdata;
+	struct spi_master *master;
+	struct ubicom32_spi_gpio *usg;
+	int ret;
+
+	master = spi_alloc_master(&dev->dev, sizeof(struct ubicom32_spi_gpio));
+	if (master == NULL) {
+		dev_err(&dev->dev, "failed to allocate spi master\n");
+		ret = -ENOMEM;
+		goto err;
+	}
+
+	usg = (struct ubicom32_spi_gpio *)spi_master_get_devdata(master);
+
+	platform_set_drvdata(dev, usg);
+
+	/*
+	 * Copy in the platform data
+	 */
+	pdata = dev->dev.platform_data;
+	usg->pdata = dev->dev.platform_data;
+
+	/*
+	 * Request the GPIO lines
+	 */
+	ret = gpio_request(pdata->pin_mosi, "spi-mosi");
+	if (ret) {
+		dev_err(&dev->dev, "Failed to allocate spi-mosi GPIO\n");
+		goto err;
+	}
+
+	ret = gpio_request(pdata->pin_miso, "spi-miso");
+	if (ret) {
+		dev_err(&dev->dev, "Failed to allocate spi-miso GPIO\n");
+		goto err_nomiso;
+	}
+
+	ret = gpio_request(pdata->pin_clk, "spi-clk");
+	if (ret) {
+		dev_err(&dev->dev, "Failed to allocate spi-clk GPIO\n");
+		goto err_noclk;
+	}
+
+	/*
+	 * Setup spi-bitbang adaptor
+	 */
+	usg->bitbang.flags |= SPI_CS_HIGH;
+	usg->bitbang.master = spi_master_get(master);
+	usg->bitbang.master->bus_num = pdata->bus_num;
+	usg->bitbang.master->num_chipselect = pdata->num_chipselect;
+	usg->bitbang.chipselect = ubicom32_spi_gpio_chipselect;
+
+	usg->bitbang.txrx_word[SPI_MODE_0] = ubicom32_spi_gpio_txrx_mode0;
+	usg->bitbang.txrx_word[SPI_MODE_1] = ubicom32_spi_gpio_txrx_mode1;
+	usg->bitbang.txrx_word[SPI_MODE_2] = ubicom32_spi_gpio_txrx_mode2;
+	usg->bitbang.txrx_word[SPI_MODE_3] = ubicom32_spi_gpio_txrx_mode3;
+
+	/*
+	 * Setup the GPIO pins
+	 */
+	gpio_direction_output(pdata->pin_clk, pdata->clk_default);
+	gpio_direction_output(pdata->pin_mosi, 0);
+	gpio_direction_input(pdata->pin_miso);
+
+	/*
+	 * Ready to go
+	 */
+	ret = spi_bitbang_start(&usg->bitbang);
+	if (ret) {
+		goto err_no_bitbang;
+	}
+
+	return 0;
+
+err_no_bitbang:
+	spi_master_put(usg->bitbang.master);
+
+	gpio_free(pdata->pin_clk);
+
+err_noclk:
+	gpio_free(pdata->pin_miso);
+
+err_nomiso:
+	gpio_free(pdata->pin_mosi);
+
+err:
+	return ret;
+}
+
+/*
+ * ubicom32_spi_gpio_remove
+ */
+static int ubicom32_spi_gpio_remove(struct platform_device *dev)
+{
+	struct ubicom32_spi_gpio *sp = platform_get_drvdata(dev);
+
+	spi_bitbang_stop(&sp->bitbang);
+	spi_master_put(sp->bitbang.master);
+
+	return 0;
+}
+
+/*
+ * Work with hotplug and coldplug
+ */
+MODULE_ALIAS("platform:ubicom32_spi_gpio");
+
+static struct platform_driver ubicom32_spi_gpio_drv = {
+	.probe		= ubicom32_spi_gpio_probe,
+        .remove		= ubicom32_spi_gpio_remove,
+        .driver		= {
+		.name	= DRIVER_NAME,
+		.owner	= THIS_MODULE,
+        },
+};
+
+/*
+ * ubicom32_spi_gpio_init
+ */
+static int __init ubicom32_spi_gpio_init(void)
+{
+        return platform_driver_register(&ubicom32_spi_gpio_drv);
+}
+
+/*
+ * ubicom32_spi_gpio_exit
+ */
+static void __exit ubicom32_spi_gpio_exit(void)
+{
+        platform_driver_unregister(&ubicom32_spi_gpio_drv);
+}
+
+module_init(ubicom32_spi_gpio_init);
+module_exit(ubicom32_spi_gpio_exit);
+
+MODULE_DESCRIPTION("Ubicom32 SPI-GPIO Driver");
+MODULE_AUTHOR("Pat Tjin, <@ubicom.com>");
+MODULE_LICENSE("GPL");
diff -ruN linux-2.6.30.10/drivers/uio/Kconfig linux-2.6.30.10-ubi/drivers/uio/Kconfig
--- linux-2.6.30.10/drivers/uio/Kconfig	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/uio/Kconfig	2009-12-11 11:45:20.000000000 +0200
@@ -89,4 +89,12 @@
 
 	  If you compile this as a module, it will be called uio_sercos3.
 
+config UIO_UBICOM32RING
+	tristate "Ubicom32 Ring Buffer driver"
+	default n
+	help
+	  Userspace I/O interface for a Ubicom32 Ring Buffer.
+
+	  If you compile this as a module, it will be called uio_ubicom32ring
+
 endif
diff -ruN linux-2.6.30.10/drivers/uio/Makefile linux-2.6.30.10-ubi/drivers/uio/Makefile
--- linux-2.6.30.10/drivers/uio/Makefile	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/uio/Makefile	2009-12-11 11:45:20.000000000 +0200
@@ -5,3 +5,4 @@
 obj-$(CONFIG_UIO_SMX)	+= uio_smx.o
 obj-$(CONFIG_UIO_AEC)	+= uio_aec.o
 obj-$(CONFIG_UIO_SERCOS3)	+= uio_sercos3.o
+obj-$(CONFIG_UIO_UBICOM32RING)	+= uio_ubicom32ring.o
diff -ruN linux-2.6.30.10/drivers/uio/uio_ubicom32ring.c linux-2.6.30.10-ubi/drivers/uio/uio_ubicom32ring.c
--- linux-2.6.30.10/drivers/uio/uio_ubicom32ring.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/uio/uio_ubicom32ring.c	2009-12-11 11:45:20.000000000 +0200
@@ -0,0 +1,288 @@
+/*
+ * drivers/uio/uio_ubicom32ring.c
+ *
+ * Userspace I/O platform driver for Ubicom32 ring buffers
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * Based on uio_ubicom32ring.c by Magnus Damm
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/uio_driver.h>
+#include <linux/spinlock.h>
+#include <linux/bitops.h>
+#include <linux/interrupt.h>
+#include <linux/stringify.h>
+
+#include <asm/ip5000.h>
+#include <asm/ubicom32ring.h>
+
+#define DRIVER_NAME "uio_ubicom32ring"
+
+struct uio_ubicom32ring_data {
+	struct uio_info			*uioinfo;
+
+	struct uio_ubicom32ring_regs	*regs;
+
+	/*
+	 * IRQ used to kick the ring buffer
+	 */
+	int				irq_tx;
+	int				irq_rx;
+
+	spinlock_t			lock;
+
+	unsigned long			flags;
+
+	char				name[0];
+};
+
+static irqreturn_t uio_ubicom32ring_handler(int irq, struct uio_info *dev_info)
+{
+	struct uio_ubicom32ring_data *priv = dev_info->priv;
+
+	/* Just disable the interrupt in the interrupt controller, and
+	 * remember the state so we can allow user space to enable it later.
+	 */
+
+	if (!test_and_set_bit(0, &priv->flags))
+		disable_irq_nosync(irq);
+
+	return IRQ_HANDLED;
+}
+
+static int uio_ubicom32ring_irqcontrol(struct uio_info *dev_info, s32 irq_on)
+{
+	struct uio_ubicom32ring_data *priv = dev_info->priv;
+	unsigned long flags;
+
+	/* Allow user space to enable and disable the interrupt
+	 * in the interrupt controller, but keep track of the
+	 * state to prevent per-irq depth damage.
+	 *
+	 * Serialize this operation to support multiple tasks.
+	 */
+
+	spin_lock_irqsave(&priv->lock, flags);
+
+	if (irq_on & 2) {
+		/*
+		 * Kick the ring buffer (if we can)
+		 */
+		if (priv->irq_tx != 0xFF) {
+			ubicom32_set_interrupt(priv->irq_tx);
+		}
+	}
+
+	if (priv->irq_rx != 0xFF) {
+		if (irq_on & 1) {
+			if (test_and_clear_bit(0, &priv->flags))
+				enable_irq(dev_info->irq);
+		} else {
+			if (!test_and_set_bit(0, &priv->flags))
+				disable_irq(dev_info->irq);
+		}
+	}
+
+	spin_unlock_irqrestore(&priv->lock, flags);
+
+	return 0;
+}
+
+static int uio_ubicom32ring_probe(struct platform_device *pdev)
+{
+	struct uio_info *uioinfo;
+	struct uio_mem *uiomem;
+	struct uio_ubicom32ring_data *priv;
+	struct uio_ubicom32ring_regs *regs;
+	struct resource *mem_resource;
+	struct resource *irqtx_resource;
+	struct resource *irqrx_resource;
+	int ret = -EINVAL;
+	int i;
+
+	uioinfo = kzalloc(sizeof(struct uio_info), GFP_KERNEL);
+	if (!uioinfo) {
+		dev_err(&pdev->dev, "unable to kmalloc\n");
+		return -ENOMEM;
+	}
+
+	/*
+	 * Allocate private data with some string space after
+	 */
+	i = sizeof(DRIVER_NAME) + 1;
+	i += pdev->dev.platform_data ? strlen(pdev->dev.platform_data) : 0;
+	priv = kzalloc(sizeof(struct uio_ubicom32ring_data) + i, GFP_KERNEL);
+	if (!priv) {
+		dev_err(&pdev->dev, "unable to kmalloc\n");
+		kfree(uioinfo);
+		return -ENOMEM;
+	}
+
+	strcpy(priv->name, DRIVER_NAME ":");
+	if (pdev->dev.platform_data) {
+		strcat(priv->name, pdev->dev.platform_data);
+	}
+	uioinfo->priv = priv;
+	uioinfo->name = priv->name;
+	uioinfo->version = "0.1";
+
+	priv->uioinfo = uioinfo;
+	spin_lock_init(&priv->lock);
+	priv->flags = 0; /* interrupt is enabled to begin with */
+
+	/*
+	 * Get our resources, the IRQ_TX and IRQ_RX are optional.
+	 */
+	priv->irq_tx = 0xFF;
+	irqtx_resource = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (irqtx_resource) {
+		priv->irq_tx = irqtx_resource->start;
+	}
+
+	uioinfo->irq = -1;
+	priv->irq_rx = 0xFF;
+	irqrx_resource = platform_get_resource(pdev, IORESOURCE_IRQ, 1);
+	if (irqrx_resource) {
+		priv->irq_rx = irqrx_resource->start;
+		uioinfo->irq = priv->irq_rx;
+		uioinfo->handler = uio_ubicom32ring_handler;
+	}
+
+	mem_resource = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!mem_resource || !mem_resource->start) {
+		dev_err(&pdev->dev, "No valid memory resource found\n");
+		ret = -ENODEV;
+		goto fail;
+	}
+	regs = (struct uio_ubicom32ring_regs *)mem_resource->start;
+	priv->regs = regs;
+
+	if (regs->version != UIO_UBICOM32RING_REG_VERSION) {
+		dev_err(&pdev->dev, "version %d not supported\n", regs->version);
+		ret = -ENODEV;
+		goto fail;
+	}
+
+	/*
+	 * First range is the shared register space, if we have any
+	 */
+	uiomem = &uioinfo->mem[0];
+	if (regs->regs_size) {
+		uiomem->memtype = UIO_MEM_PHYS;
+		uiomem->addr = (u32_t)regs->regs;
+		uiomem->size = regs->regs_size;
+		++uiomem;
+		dev_info(&pdev->dev, "regs:%p (%u) / rings: %d found\n", regs->regs, regs->regs_size, regs->num_rings);
+	} else {
+		dev_info(&pdev->dev, "rings: %d found\n", regs->num_rings);
+	}
+
+	/*
+	 * The rest of the range correspond to the rings
+	 */
+	for (i = 0; i < regs->num_rings; i++) {
+		dev_info(&pdev->dev, "\t%d: entries:%d ring:%p\n",
+			 i, regs->rings[i]->entries, &(regs->rings[i]->ring));
+		if (uiomem >= &uioinfo->mem[MAX_UIO_MAPS]) {
+			dev_warn(&pdev->dev, "device has more than "
+					__stringify(MAX_UIO_MAPS)
+					" I/O memory resources.\n");
+			break;
+		}
+
+		uiomem->memtype = UIO_MEM_PHYS;
+		uiomem->addr = (u32_t)&(regs->rings[i]->head);
+		uiomem->size = (regs->rings[i]->entries * sizeof(u32_t)) +
+				sizeof(struct uio_ubicom32ring_desc);
+		++uiomem;
+	}
+
+	while (uiomem < &uioinfo->mem[MAX_UIO_MAPS]) {
+		uiomem->size = 0;
+		++uiomem;
+	}
+
+	/* This driver requires no hardware specific kernel code to handle
+	 * interrupts. Instead, the interrupt handler simply disables the
+	 * interrupt in the interrupt controller. User space is responsible
+	 * for performing hardware specific acknowledge and re-enabling of
+	 * the interrupt in the interrupt controller.
+	 *
+	 * Interrupt sharing is not supported.
+	 */
+	uioinfo->irq_flags = IRQF_DISABLED;
+	uioinfo->irqcontrol = uio_ubicom32ring_irqcontrol;
+
+	ret = uio_register_device(&pdev->dev, priv->uioinfo);
+	if (ret) {
+		dev_err(&pdev->dev, "unable to register uio device\n");
+		goto fail;
+	}
+
+	platform_set_drvdata(pdev, priv);
+
+	dev_info(&pdev->dev, "'%s' using irq: rx %d tx %d, regs %p\n",
+		 priv->name, priv->irq_rx, priv->irq_tx, priv->regs);
+
+	return 0;
+
+fail:
+	kfree(uioinfo);
+	kfree(priv);
+	return ret;
+}
+
+static int uio_ubicom32ring_remove(struct platform_device *pdev)
+{
+	struct uio_ubicom32ring_data *priv = platform_get_drvdata(pdev);
+
+	uio_unregister_device(priv->uioinfo);
+	kfree(priv->uioinfo);
+	kfree(priv);
+	return 0;
+}
+
+static struct platform_driver uio_ubicom32ring = {
+	.probe = uio_ubicom32ring_probe,
+	.remove = uio_ubicom32ring_remove,
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+	},
+};
+
+static int __init uio_ubicom32ring_init(void)
+{
+	return platform_driver_register(&uio_ubicom32ring);
+}
+
+static void __exit uio_ubicom32ring_exit(void)
+{
+	platform_driver_unregister(&uio_ubicom32ring);
+}
+
+module_init(uio_ubicom32ring_init);
+module_exit(uio_ubicom32ring_exit);
+
+MODULE_AUTHOR("Patrick Tjin");
+MODULE_DESCRIPTION("Userspace I/O driver for Ubicom32 ring buffers");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:" DRIVER_NAME);
diff -ruN linux-2.6.30.10/drivers/usb/gadget/epautoconf.c linux-2.6.30.10-ubi/drivers/usb/gadget/epautoconf.c
--- linux-2.6.30.10/drivers/usb/gadget/epautoconf.c	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/usb/gadget/epautoconf.c	2009-12-11 11:45:20.000000000 +0200
@@ -154,6 +154,10 @@
 			/* configure your hardware with enough buffering!! */
 		}
 		break;
+
+	case USB_ENDPOINT_XFER_BULK:
+		if ((gadget->is_dualspeed) && (ep->maxpacket < 512))
+			return 0;
 	}
 
 	/* MATCH!! */
diff -ruN linux-2.6.30.10/drivers/usb/Kconfig linux-2.6.30.10-ubi/drivers/usb/Kconfig
--- linux-2.6.30.10/drivers/usb/Kconfig	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/usb/Kconfig	2009-12-11 11:45:20.000000000 +0200
@@ -22,6 +22,7 @@
 	default y if PCMCIA && !M32R			# sl811_cs
 	default y if ARM				# SL-811
 	default y if SUPERH				# r8a66597-hcd
+	default y if UBICOM32				# Ubicom's onchip USB Duial role controller
 	default PCI
 
 # many non-PCI SOC chips embed OHCI
diff -ruN linux-2.6.30.10/drivers/usb/musb/Kconfig linux-2.6.30.10-ubi/drivers/usb/musb/Kconfig
--- linux-2.6.30.10/drivers/usb/musb/Kconfig	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/usb/musb/Kconfig	2009-12-11 11:45:20.000000000 +0200
@@ -12,7 +12,7 @@
 	depends on !SUPERH
 	select TWL4030_USB if MACH_OMAP_3430SDP
 	select USB_OTG_UTILS
-	tristate 'Inventra Highspeed Dual Role Controller (TI, ADI, ...)'
+	tristate 'Inventra Highspeed Dual Role Controller (TI, ADI, Ubicom, ...)'
 	help
 	  Say Y here if your system has a dual role high speed USB
 	  controller based on the Mentor Graphics silicon IP.  Then
diff -ruN linux-2.6.30.10/drivers/usb/musb/Makefile linux-2.6.30.10-ubi/drivers/usb/musb/Makefile
--- linux-2.6.30.10/drivers/usb/musb/Makefile	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/usb/musb/Makefile	2009-12-11 11:45:20.000000000 +0200
@@ -30,6 +30,10 @@
 	musb_hdrc-objs	+= blackfin.o
 endif
 
+ifeq ($(CONFIG_UBICOM32), y)
+        musb_hdrc-objs  += ubi32_usb.o
+endif
+
 ifeq ($(CONFIG_USB_GADGET_MUSB_HDRC),y)
 	musb_hdrc-objs		+= musb_gadget_ep0.o musb_gadget.o
 endif
diff -ruN linux-2.6.30.10/drivers/usb/musb/musb_core.c linux-2.6.30.10-ubi/drivers/usb/musb/musb_core.c
--- linux-2.6.30.10/drivers/usb/musb/musb_core.c	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/usb/musb/musb_core.c	2009-12-11 11:45:20.000000000 +0200
@@ -105,6 +105,13 @@
 #include <asm/mach-types.h>
 #endif
 
+#ifdef CONFIG_UBICOM32
+#include <asm/ip5000.h>
+#include <asm/ubicom32-tio.h>
+extern void ubi32_usb_init(void);
+extern void ubi32_usb_int_clr(void);
+#endif
+
 #include "musb_core.h"
 
 
@@ -147,8 +154,37 @@
 }
 
 /*-------------------------------------------------------------------------*/
+#if defined(CONFIG_UBICOM32)
+
+/*
+ * Load an endpoint's FIFO
+ */
+void musb_write_fifo(struct musb_hw_ep *hw_ep, u16 wCount, const u8 *pSource)
+{
+	void __iomem *fifo = hw_ep->fifo;
+
+	prefetch((u8 *)pSource);
+
+	DBG(4, "%cX ep%d fifo %p count %d buf %p\n",
+			'T', hw_ep->epnum, fifo, wCount, pSource);
+
+	usb_tio_write_fifo((u32)fifo, (u32)pSource, wCount);
+
+}
+
+/*
+ * Unload an endpoint's FIFO
+ */
+void musb_read_fifo(struct musb_hw_ep *hw_ep, u16 wCount, u8 *pDest)
+{
+
+	void __iomem *fifo = hw_ep->fifo;
+	DBG(4, "%cX ep%d fifo %p count %d buf %p\n",
+			'R', hw_ep->epnum, fifo, wCount, pDest);
+	usb_tio_read_fifo((u32)fifo, (u32)pDest, wCount);
+}
 
-#if !defined(CONFIG_USB_TUSB6010) && !defined(CONFIG_BLACKFIN)
+#elif !defined(CONFIG_USB_TUSB6010) && !defined(CONFIG_BLACKFIN)
 
 /*
  * Load an endpoint's FIFO
@@ -227,8 +263,7 @@
 		readsb(fifo, dst, len);
 	}
 }
-
-#endif	/* normal PIO */
+#endif /* !T6010 && !BLACKFIN */
 
 
 /*-------------------------------------------------------------------------*/
@@ -874,12 +909,19 @@
 	musb_writeb(regs, MUSB_TESTMODE, 0);
 
 	/* put into basic highspeed mode and start session */
+#ifndef CONFIG_UBICOM32
 	musb_writeb(regs, MUSB_POWER, MUSB_POWER_ISOUPDATE
 						| MUSB_POWER_SOFTCONN
 						| MUSB_POWER_HSENAB
 						/* ENSUSPEND wedges tusb */
 						/* | MUSB_POWER_ENSUSPEND */
 						);
+#else
+	musb_writeb(regs, MUSB_POWER,  MUSB_POWER_HSENAB
+						/* ENSUSPEND wedges tusb */
+						/* | MUSB_POWER_ENSUSPEND */
+						);
+#endif
 
 	musb->is_active = 0;
 	devctl = musb_readb(regs, MUSB_DEVCTL);
@@ -1081,6 +1123,7 @@
 };
 
 
+#ifndef CONFIG_UBICOM32
 /*
  * configure a fifo; for non-shared endpoints, this may be called
  * once for a tx fifo and once for an rx fifo.
@@ -1240,7 +1283,7 @@
 
 	return 0;
 }
-
+#endif /* CONFIG_UBICOM32 */
 
 /*
  * ep_config_from_hw - when MUSB_C_DYNFIFO_DEF is false
@@ -1256,6 +1299,11 @@
 	DBG(2, "<== static silicon ep config\n");
 
 	/* FIXME pick up ep0 maxpacket size */
+#ifdef CONFIG_UBICOM32
+	/* set ep0 to shared_fifo, otherwise urb will be put to out_qh but ep0_irq try to get the urb from in_qh*/
+	hw_ep = musb->endpoints;
+	hw_ep->is_shared_fifo = true;
+#endif
 
 	for (epnum = 1; epnum < musb->config->num_eps; epnum++) {
 		musb_ep_select(mbase, epnum);
@@ -1276,14 +1324,27 @@
 		/* REVISIT:  this algorithm is lazy, we should at least
 		 * try to pick a double buffered endpoint.
 		 */
+#ifndef CONFIG_UBICOM32
 		if (musb->bulk_ep)
 			continue;
 		musb->bulk_ep = hw_ep;
+#else
+		if ((musb->bulk_ep_in) && (musb->bulk_ep_out))
+			continue;
+		/* Save theEP with 1024 Bytes FIFO for ISO */
+		if(hw_ep->max_packet_sz_tx == 512) {
+			if (!musb->bulk_ep_in) {
+				musb->bulk_ep_in = hw_ep;
+			} else if (!musb->bulk_ep_out) {
+				musb->bulk_ep_out = hw_ep;
+			}
+		}
+#endif /* CONFIG_UBICOM32 */
 #endif
 	}
 
 #ifdef CONFIG_USB_MUSB_HDRC_HCD
-	if (!musb->bulk_ep) {
+	if ((!musb->bulk_ep_in) || (!musb->bulk_ep_out)) {
 		pr_debug("%s: missing bulk\n", musb_driver_name);
 		return -EINVAL;
 	}
@@ -1393,12 +1454,16 @@
 	musb->epmask = 1;
 
 	if (reg & MUSB_CONFIGDATA_DYNFIFO) {
+#ifndef CONFIG_UBICOM32
 		if (musb->config->dyn_fifo)
 			status = ep_config_from_table(musb);
-		else {
+		else
+#endif
+		{
 			ERR("reconfigure software for Dynamic FIFOs\n");
 			status = -ENODEV;
 		}
+
 	} else {
 		if (!musb->config->dyn_fifo)
 			status = ep_config_from_hw(musb);
@@ -1462,8 +1527,8 @@
 
 /*-------------------------------------------------------------------------*/
 
-#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3430)
-
+#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3430) || defined(CONFIG_UBICOM32)
+static u32_t musb_int_count = 0;
 static irqreturn_t generic_interrupt(int irq, void *__hci)
 {
 	unsigned long	flags;
@@ -1472,10 +1537,17 @@
 
 	spin_lock_irqsave(&musb->lock, flags);
 
+#ifndef CONFIG_UBICOM32
 	musb->int_usb = musb_readb(musb->mregs, MUSB_INTRUSB);
 	musb->int_tx = musb_readw(musb->mregs, MUSB_INTRTX);
 	musb->int_rx = musb_readw(musb->mregs, MUSB_INTRRX);
+#else
+	musb_read_int_status(&musb->int_usb, &musb->int_tx, &musb->int_rx);
+	//ubi32_usb_int_clr();
+	musb_int_count++;
+#endif
 
+	DBG(4, "usb %x, tx %x, rx %x", musb->int_usb, musb->int_tx, musb->int_rx);
 	if (musb->int_usb || musb->int_tx || musb->int_rx)
 		retval = musb_interrupt(musb);
 
@@ -2210,6 +2282,10 @@
 
 static int __init musb_init(void)
 {
+#ifdef CONFIG_UBICOM32
+	ubi32_usb_init();
+#endif
+
 #ifdef CONFIG_USB_MUSB_HDRC_HCD
 	if (usb_disabled())
 		return 0;
diff -ruN linux-2.6.30.10/drivers/usb/musb/musb_core.h linux-2.6.30.10-ubi/drivers/usb/musb/musb_core.h
--- linux-2.6.30.10/drivers/usb/musb/musb_core.h	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/usb/musb/musb_core.h	2009-12-11 11:45:20.000000000 +0200
@@ -326,7 +326,12 @@
 	 * queue until it completes or NAKs too much; then we try the next
 	 * endpoint.
 	 */
+#ifdef CONFIG_UBICOM32
+	struct musb_hw_ep	*bulk_ep_in;
+	struct musb_hw_ep	*bulk_ep_out;
+#else
 	struct musb_hw_ep	*bulk_ep;
+#endif
 
 	struct list_head	control;	/* of musb_qh */
 	struct list_head	in_bulk;	/* of musb_qh */
diff -ruN linux-2.6.30.10/drivers/usb/musb/musb_gadget.c linux-2.6.30.10-ubi/drivers/usb/musb/musb_gadget.c
--- linux-2.6.30.10/drivers/usb/musb/musb_gadget.c	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/usb/musb/musb_gadget.c	2009-12-11 11:45:20.000000000 +0200
@@ -432,7 +432,7 @@
 		 * probably rates reporting as a host error
 		 */
 		if (csr & MUSB_TXCSR_P_SENTSTALL) {
-			csr |= MUSB_TXCSR_P_WZC_BITS;
+			csr &= ~(MUSB_TXCSR_P_WZC_BITS);
 			csr &= ~MUSB_TXCSR_P_SENTSTALL;
 			musb_writew(epio, MUSB_TXCSR, csr);
 			if (dma_channel_status(dma) == MUSB_DMA_STATUS_BUSY) {
@@ -448,7 +448,7 @@
 
 		if (csr & MUSB_TXCSR_P_UNDERRUN) {
 			/* we NAKed, no big deal ... little reason to care */
-			csr |= MUSB_TXCSR_P_WZC_BITS;
+			csr &= ~(MUSB_TXCSR_P_WZC_BITS);
 			csr &= ~(MUSB_TXCSR_P_UNDERRUN
 					| MUSB_TXCSR_TXPKTRDY);
 			musb_writew(epio, MUSB_TXCSR, csr);
@@ -584,10 +584,16 @@
 	u16			csr = 0;
 	const u8		epnum = req->epnum;
 	struct usb_request	*request = &req->request;
-	struct musb_ep		*musb_ep = &musb->endpoints[epnum].ep_out;
+	struct musb_ep		*musb_ep = NULL;
 	void __iomem		*epio = musb->endpoints[epnum].regs;
-	unsigned		fifo_count = 0;
-	u16			len = musb_ep->packet_sz;
+	u16			fifo_count = 0;
+	u16			len = 0;
+
+	if (musb->endpoints[epnum].is_shared_fifo)
+		musb_ep = &musb->endpoints[epnum].ep_in;
+	else
+		musb_ep = &musb->endpoints[epnum].ep_out;
+	len =  musb_ep->packet_sz;
 
 	csr = musb_readw(epio, MUSB_RXCSR);
 
@@ -726,7 +732,7 @@
 			 */
 
 			/* ack the read! */
-			csr |= MUSB_RXCSR_P_WZC_BITS;
+			csr &= ~MUSB_RXCSR_P_WZC_BITS;
 			csr &= ~MUSB_RXCSR_RXPKTRDY;
 			musb_writew(epio, MUSB_RXCSR, csr);
 		}
@@ -745,10 +751,15 @@
 	u16			csr;
 	struct usb_request	*request;
 	void __iomem		*mbase = musb->mregs;
-	struct musb_ep		*musb_ep = &musb->endpoints[epnum].ep_out;
+	struct musb_ep		*musb_ep = NULL;
 	void __iomem		*epio = musb->endpoints[epnum].regs;
 	struct dma_channel	*dma;
 
+	if (musb->endpoints[epnum].is_shared_fifo)
+		musb_ep = &musb->endpoints[epnum].ep_in;
+	else
+		musb_ep = &musb->endpoints[epnum].ep_out;
+
 	musb_ep_select(mbase, epnum);
 
 	request = next_request(musb_ep);
@@ -1769,7 +1780,9 @@
 			}
 		}
 	}
-
+#ifndef CONFIG_USB_MUSB_OTG
+	musb_pullup(musb, 1);
+#endif
 	return retval;
 }
 EXPORT_SYMBOL(usb_gadget_register_driver);
diff -ruN linux-2.6.30.10/drivers/usb/musb/musb_gadget_ep0.c linux-2.6.30.10-ubi/drivers/usb/musb/musb_gadget_ep0.c
--- linux-2.6.30.10/drivers/usb/musb/musb_gadget_ep0.c	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/usb/musb/musb_gadget_ep0.c	2009-12-11 11:45:20.000000000 +0200
@@ -240,14 +240,14 @@
 		case USB_REQ_SET_ADDRESS:
 			/* change it after the status stage */
 			musb->set_address = true;
-			musb->address = (u8) (ctrlrequest->wValue & 0x7f);
+			musb->address = (u8) (le16_to_cpu(ctrlrequest->wValue) & 0x7f);
 			handled = 1;
 			break;
 
 		case USB_REQ_CLEAR_FEATURE:
 			switch (recip) {
 			case USB_RECIP_DEVICE:
-				if (ctrlrequest->wValue
+				if (le16_to_cpu(ctrlrequest->wValue)
 						!= USB_DEVICE_REMOTE_WAKEUP)
 					break;
 				musb->may_wakeup = 0;
@@ -261,8 +261,8 @@
 
 				if (num == 0
 						|| num >= MUSB_C_NUM_EPS
-						|| ctrlrequest->wValue
-							!= USB_ENDPOINT_HALT)
+						|| le16_to_cpu(ctrlrequest->wValue
+							!= USB_ENDPOINT_HALT))
 					break;
 
 				if (ctrlrequest->wIndex & USB_DIR_IN)
@@ -292,7 +292,7 @@
 			switch (recip) {
 			case USB_RECIP_DEVICE:
 				handled = 1;
-				switch (ctrlrequest->wValue) {
+				switch (le16_to_cpu(ctrlrequest->wValue)) {
 				case USB_DEVICE_REMOTE_WAKEUP:
 					musb->may_wakeup = 1;
 					break;
@@ -374,8 +374,8 @@
 
 				if (epnum == 0
 						|| epnum >= MUSB_C_NUM_EPS
-						|| ctrlrequest->wValue
-							!= USB_ENDPOINT_HALT)
+						|| le16_to_cpu(ctrlrequest->wValue
+							!= USB_ENDPOINT_HALT))
 					break;
 
 				ep = musb->endpoints + epnum;
diff -ruN linux-2.6.30.10/drivers/usb/musb/musb_host.c linux-2.6.30.10-ubi/drivers/usb/musb/musb_host.c
--- linux-2.6.30.10/drivers/usb/musb/musb_host.c	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/usb/musb/musb_host.c	2009-12-11 11:45:20.000000000 +0200
@@ -160,7 +160,11 @@
 	/* NOTE: no locks here; caller should lock and select EP */
 	if (ep->epnum) {
 		txcsr = musb_readw(ep->regs, MUSB_TXCSR);
+#ifndef CONFIG_UBICOM32
 		txcsr |= MUSB_TXCSR_TXPKTRDY | MUSB_TXCSR_H_WZC_BITS;
+#else
+		txcsr |= (MUSB_TXCSR_TXPKTRDY & (~MUSB_TXCSR_H_WZC_BITS));
+#endif
 		musb_writew(ep->regs, MUSB_TXCSR, txcsr);
 	} else {
 		txcsr = MUSB_CSR0_H_SETUPPKT | MUSB_CSR0_TXPKTRDY;
@@ -223,6 +227,8 @@
 		break;
 	default:		/* bulk, interrupt */
 		/* actual_length may be nonzero on retry paths */
+		if (urb->actual_length)
+			DBG(3 ,"musb_start_urb: URB %p retried, len: %d\n", urb, urb->actual_length);
 		buf = urb->transfer_buffer + urb->actual_length;
 		len = urb->transfer_buffer_length - urb->actual_length;
 	}
@@ -342,13 +348,13 @@
 	if (!is_in) {
 		csr = musb_readw(epio, MUSB_TXCSR);
 		usb_settoggle(udev, qh->epnum, 1,
-			(csr & MUSB_TXCSR_H_DATATOGGLE)
-				? 1 : 0);
+			((csr & MUSB_TXCSR_H_DATATOGGLE)
+				? 1 : 0));
 	} else {
 		csr = musb_readw(epio, MUSB_RXCSR);
 		usb_settoggle(udev, qh->epnum, 0,
-			(csr & MUSB_RXCSR_H_DATATOGGLE)
-				? 1 : 0);
+			((csr & MUSB_RXCSR_H_DATATOGGLE)
+				? 1 : 0));
 	}
 }
 
@@ -556,7 +562,11 @@
 	musb_read_fifo(hw_ep, length, buf);
 
 	csr = musb_readw(epio, MUSB_RXCSR);
+#ifndef CONFIG_UBICOM32
 	csr |= MUSB_RXCSR_H_WZC_BITS;
+#else
+	csr &= ~MUSB_RXCSR_H_WZC_BITS;
+#endif
 	if (unlikely(do_flush))
 		musb_h_flush_rxfifo(hw_ep, csr);
 	else {
@@ -590,6 +600,7 @@
 
 	/* if programmed for Tx, put it in RX mode */
 	if (ep->is_shared_fifo) {
+#ifndef  CONFIG_UBICOM32
 		csr = musb_readw(ep->regs, MUSB_TXCSR);
 		if (csr & MUSB_TXCSR_MODE) {
 			musb_h_tx_flush_fifo(ep);
@@ -604,7 +615,18 @@
 		 */
 		if (csr & MUSB_TXCSR_DMAMODE)
 			musb_writew(ep->regs, MUSB_TXCSR, MUSB_TXCSR_DMAMODE);
+
+#else
+		/* clear mode (and everything else) to enable Rx */
 		musb_writew(ep->regs, MUSB_TXCSR, 0);
+		/* scrub all previous state, clearing toggle */
+		csr = musb_readw(ep->regs, MUSB_RXCSR);
+		if (csr & MUSB_RXCSR_RXPKTRDY)
+			WARNING("rx%d, packet/%d ready?\n", ep->epnum,
+				musb_readw(ep->regs, MUSB_RXCOUNT));
+
+		musb_h_flush_rxfifo(ep, MUSB_RXCSR_CLRDATATOG);
+#endif
 
 	/* scrub all previous state, clearing toggle */
 	} else {
@@ -1138,8 +1160,18 @@
 	void __iomem		*mbase = musb->mregs;
 	struct dma_channel	*dma;
 
+#ifdef CONFIG_UBICOM32
+	if (hw_ep->is_shared_fifo) {
+		qh = hw_ep->in_qh;
+	}
+#ifdef CONFIG_USB_SERIAL_SIERRAWIRELESS
+	printk(KERN_DEBUG "OUT/TX%d end, csr %04x%s\n", epnum, tx_csr,
+			dma ? ", dma" : "");
+#endif
+#endif
 	urb = next_urb(qh);
 
+
 	musb_ep_select(mbase, epnum);
 	tx_csr = musb_readw(epio, MUSB_TXCSR);
 
@@ -1180,9 +1212,14 @@
 		 * we have a candidate... NAKing is *NOT* an error
 		 */
 		musb_ep_select(mbase, epnum);
+#ifndef CONFIG_UBICOM32
 		musb_writew(epio, MUSB_TXCSR,
 				MUSB_TXCSR_H_WZC_BITS
 				| MUSB_TXCSR_TXPKTRDY);
+#else
+		musb_writew(epio, MUSB_TXCSR,
+				 MUSB_TXCSR_TXPKTRDY);
+#endif
 		return;
 	}
 
@@ -1353,8 +1390,14 @@
 	qh->segsize = length;
 
 	musb_ep_select(mbase, epnum);
+#ifndef CONFIG_UBICOM32
+	musb_writew(epio, MUSB_TXCSR,
+		    MUSB_TXCSR_H_WZC_BITS | MUSB_TXCSR_TXPKTRDY);
+#else
 	musb_writew(epio, MUSB_TXCSR,
-			MUSB_TXCSR_H_WZC_BITS | MUSB_TXCSR_TXPKTRDY);
+		    MUSB_TXCSR_MODE | MUSB_TXCSR_TXPKTRDY);
+#endif
+
 }
 
 
@@ -1414,7 +1457,11 @@
 
 	/* clear nak timeout bit */
 	rx_csr = musb_readw(epio, MUSB_RXCSR);
+#ifndef CONFIG_UBICOM32
 	rx_csr |= MUSB_RXCSR_H_WZC_BITS;
+#else
+	rx_csr &= ~MUSB_RXCSR_H_WZC_BITS;
+#endif
 	rx_csr &= ~MUSB_RXCSR_DATAERROR;
 	musb_writew(epio, MUSB_RXCSR, rx_csr);
 
@@ -1483,6 +1530,13 @@
 
 	pipe = urb->pipe;
 
+#ifdef CONFIG_UBICOM32
+#ifdef CONFIG_USB_SERIAL_SIERRAWIRELESS
+		printk(KERN_DEBUG  "RXCSR%d %04x, reqpkt, len %zu%s\n", epnum, rx_csr,
+				xfer_len, dma ? ", dma" : "");
+#endif
+#endif
+
 	DBG(5, "<== hw %d rxcsr %04x, urb actual %d (+dma %zu)\n",
 		epnum, rx_csr, urb->actual_length,
 		dma ? dma->actual_len : 0);
@@ -1521,8 +1575,15 @@
 				return;
 			}
 			musb_ep_select(mbase, epnum);
+#ifndef CONFIG_UBICOM32
 			rx_csr |= MUSB_RXCSR_H_WZC_BITS;
 			rx_csr &= ~MUSB_RXCSR_DATAERROR;
+#else
+			/* NEED TO EVALUATE CHANGE */
+			rx_csr &= ~MUSB_RXCSR_H_WZC_BITS;
+			rx_csr &= ~MUSB_RXCSR_DATAERROR;
+//			musb_writew(epio, MUSB_RXCSR, (~(MUSB_RXCSR_H_WZC_BITS))| MUSB_RXCSR_H_REQPKT);
+#endif
 			musb_writew(epio, MUSB_RXCSR, rx_csr);
 
 			goto finish;
@@ -1579,8 +1640,13 @@
 		rx_csr &= ~MUSB_RXCSR_H_REQPKT;
 
 		musb_ep_select(mbase, epnum);
+#ifndef CONFIG_UBICOM32
 		musb_writew(epio, MUSB_RXCSR,
 				MUSB_RXCSR_H_WZC_BITS | rx_csr);
+#else
+		musb_writew(epio, MUSB_RXCSR,
+				(~MUSB_RXCSR_H_WZC_BITS) & rx_csr);
+#endif
 	}
 #endif
 	if (dma && (rx_csr & MUSB_RXCSR_DMAENAB)) {
@@ -1610,7 +1676,7 @@
 			else
 				done = false;
 
-		} else  {
+		} else {
 		/* done if urb buffer is full or short packet is recd */
 		done = (urb->actual_length + xfer_len >=
 				urb->transfer_buffer_length
@@ -1823,7 +1889,11 @@
 		} else	if (hw_ep->out_qh != NULL)
 			continue;
 
+#ifndef CONFIG_UBICOM32
 		if (hw_ep == musb->bulk_ep)
+#else
+		if ((hw_ep == musb->bulk_ep_in) || (hw_ep == musb->bulk_ep_out)) /* Ubicom */
+#endif
 			continue;
 
 		if (is_in)
@@ -1836,7 +1906,14 @@
 			best_end = epnum;
 		}
 	}
+
+#ifdef CONFIG_UBICOM32
+	if (((best_diff >= qh->maxpacket)) && ((qh->type == USB_ENDPOINT_XFER_BULK) && (!is_in)))
+		best_end = -1;
+#endif
+
 	/* use bulk reserved ep1 if no other ep is free */
+#ifndef CONFIG_UBICOM32
 	if (best_end < 0 && qh->type == USB_ENDPOINT_XFER_BULK) {
 		hw_ep = musb->bulk_ep;
 		if (is_in)
@@ -1858,6 +1935,22 @@
 	} else if (best_end < 0) {
 		return -ENOSPC;
 	}
+#else
+	if (best_end < 0 && qh->type == USB_ENDPOINT_XFER_BULK) {
+		/* hw_ep = musb->bulk_ep; */
+		if (is_in) {
+			head = &musb->in_bulk;
+			hw_ep = musb->bulk_ep_in; /* UBICOM */
+		}
+		else {
+			head = &musb->out_bulk;
+			hw_ep = musb->bulk_ep_out; /* UBICOM */
+		}
+		goto success;
+	} else if (best_end < 0) {
+		return -ENOSPC;
+	}
+#endif
 
 	idle = 1;
 	qh->mux = 0;
@@ -1869,6 +1962,13 @@
 		list_add_tail(&qh->ring, head);
 		qh->mux = 1;
 	}
+	/*
+	 * It's not make sense to set NAK timeout when qh->mux = 0,
+	 * There is nothing else to schedule
+	 */
+	if ((qh->type == USB_ENDPOINT_XFER_BULK) && (qh->mux == 0))
+		qh->intv_reg = 0;
+
 	qh->hw_ep = hw_ep;
 	qh->hep->hcpriv = qh;
 	if (idle)
@@ -1975,6 +2075,15 @@
 		/* ISO always uses logarithmic encoding */
 		interval = min_t(u8, epd->bInterval, 16);
 		break;
+#ifdef COMFIG_UBICOM32
+	case USB_ENDPOINT_XFER_BULK:
+		 if (epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK)
+			interval = (USB_SPEED_HIGH == urb->dev->speed) ? 16: 2;
+		 else
+			interval = 0;
+		 break;
+#endif
+
 	default:
 		/* REVISIT we actually want to use NAK limits, hinting to the
 		 * transfer scheduling logic to try some other qh, e.g. try
diff -ruN linux-2.6.30.10/drivers/usb/musb/musb_io.h linux-2.6.30.10-ubi/drivers/usb/musb/musb_io.h
--- linux-2.6.30.10/drivers/usb/musb/musb_io.h	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/usb/musb/musb_io.h	2009-12-11 11:45:20.000000000 +0200
@@ -58,6 +58,7 @@
 
 #ifndef CONFIG_BLACKFIN
 
+#ifndef CONFIG_UBICOM32
 /* NOTE:  these offsets are all in bytes */
 
 static inline u16 musb_readw(const void __iomem *addr, unsigned offset)
@@ -72,7 +73,37 @@
 
 static inline void musb_writel(void __iomem *addr, unsigned offset, u32 data)
 	{ __raw_writel(data, addr + offset); }
+#else
+#include <asm/ubicom32-tio.h>
+static inline u16 musb_readw(const void __iomem *addr, unsigned offset)
+{
+        u16 data;
+        usb_tio_read_u16((u32)(addr + offset), &data);
+        return data;
+}
 
+static inline u8 musb_readb(const void __iomem *addr, unsigned offset)
+{
+        u8 data;
+        usb_tio_read_u8((u32)(addr + offset), &data);
+        return data;
+}
+
+static inline void musb_writew(void __iomem *addr, unsigned offset, u16 data)
+{
+        usb_tio_write_u16((u32)(addr + offset), data);
+}
+
+static inline void musb_writeb(void __iomem *addr, unsigned offset, u8 data)
+{
+        usb_tio_write_u8((u32)(addr + offset), data);
+}
+
+static inline void  musb_read_int_status(u8_t *int_usb, u16_t *int_tx, u16_t *int_rx)
+{
+	return usb_tio_read_int_status(int_usb, int_tx, int_rx);
+}
+#endif /* CONFIG_UBICOM32 */
 
 #ifdef CONFIG_USB_TUSB6010
 
@@ -106,7 +137,7 @@
 	__raw_writew(tmp, addr + (offset & ~1));
 }
 
-#else
+#elif !defined(CONFIG_UBICOM32)
 
 static inline u8 musb_readb(const void __iomem *addr, unsigned offset)
 	{ return __raw_readb(addr + offset); }
diff -ruN linux-2.6.30.10/drivers/usb/musb/musb_regs.h linux-2.6.30.10-ubi/drivers/usb/musb/musb_regs.h
--- linux-2.6.30.10/drivers/usb/musb/musb_regs.h	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/usb/musb/musb_regs.h	2009-12-11 11:45:20.000000000 +0200
@@ -167,6 +167,7 @@
 	(MUSB_TXCSR_H_NAKTIMEOUT | MUSB_TXCSR_H_RXSTALL \
 	| MUSB_TXCSR_H_ERROR | MUSB_TXCSR_FIFONOTEMPTY)
 
+
 /* RXCSR in Peripheral and Host mode */
 #define MUSB_RXCSR_AUTOCLEAR		0x8000
 #define MUSB_RXCSR_DMAENAB		0x2000
diff -ruN linux-2.6.30.10/drivers/usb/musb/ubi32_usb.c linux-2.6.30.10-ubi/drivers/usb/musb/ubi32_usb.c
--- linux-2.6.30.10/drivers/usb/musb/ubi32_usb.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/usb/musb/ubi32_usb.c	2009-12-11 11:45:20.000000000 +0200
@@ -0,0 +1,156 @@
+/*
+ * drivers/usb/musb/ubi32_usb.c
+ *   Ubicom32 usb controller driver.
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ * Copyright (C) 2005-2006 by Texas Instruments
+ *
+ * Derived from the Texas Instruments Inventra Controller Driver for Linux.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/list.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+
+#include <asm/io.h>
+#include <asm/ip5000.h>
+#include "musb_core.h"
+
+void musb_platform_enable(struct musb *musb)
+{
+}
+void musb_platform_disable(struct musb *musb)
+{
+}
+
+int musb_platform_set_mode(struct musb *musb, u8 musb_mode) {
+	return 0;
+}
+
+static void ip5k_usb_hcd_vbus_power(struct musb *musb, int is_on, int sleeping)
+{
+}
+
+static void ip5k_usb_hcd_set_vbus(struct musb *musb, int is_on)
+{
+	u8		devctl;
+	/* HDRC controls CPEN, but beware current surges during device
+	 * connect.  They can trigger transient overcurrent conditions
+	 * that must be ignored.
+	 */
+
+	devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
+
+	if (is_on) {
+		musb->is_active = 1;
+		musb->xceiv.default_a = 1;
+		musb->xceiv.state = OTG_STATE_A_WAIT_VRISE;
+		devctl |= MUSB_DEVCTL_SESSION;
+
+		MUSB_HST_MODE(musb);
+	} else {
+		musb->is_active = 0;
+
+		/* NOTE:  we're skipping A_WAIT_VFALL -> A_IDLE and
+		 * jumping right to B_IDLE...
+		 */
+
+		musb->xceiv.default_a = 0;
+		musb->xceiv.state = OTG_STATE_B_IDLE;
+		devctl &= ~MUSB_DEVCTL_SESSION;
+
+		MUSB_DEV_MODE(musb);
+	}
+	musb_writeb(musb->mregs, MUSB_DEVCTL, devctl);
+
+	DBG(1, "VBUS %s, devctl %02x "
+		/* otg %3x conf %08x prcm %08x */ "\n",
+		otg_state_string(musb),
+		musb_readb(musb->mregs, MUSB_DEVCTL));
+}
+static int ip5k_usb_hcd_set_power(struct otg_transceiver *x, unsigned mA)
+{
+	return 0;
+}
+
+static int musb_platform_resume(struct musb *musb);
+
+int __init musb_platform_init(struct musb *musb)
+{
+
+#ifdef CONFIG_UBICOM32_V4
+	u32_t chip_id;
+	asm volatile (
+		      "move.4	%0, CHIP_ID	\n\t"
+		      : "=r" (chip_id)
+	);
+	if (chip_id == 0x30001) {
+		*((u32_t *)(GENERAL_CFG_BASE + GEN_USB_PHY_TEST)) &= ~(1 << 30);
+		udelay(1);
+		*((u32_t *)(GENERAL_CFG_BASE + GEN_USB_PHY_TEST)) &= ~(1 << 31);
+	} else {
+		*((u32_t *)(GENERAL_CFG_BASE + GEN_USB_PHY_TEST)) &= ~(1 << 17);
+		udelay(1);
+		*((u32_t *)(GENERAL_CFG_BASE + GEN_USB_PHY_TEST)) &= ~(1 << 14);
+	}
+#endif
+
+	 *((u32_t *)(GENERAL_CFG_BASE + GEN_USB_PHY_CFG)) |= ((1 << 14) | (1 <<15));
+
+	/* The i-clk is AUTO gated. Hence there is no need
+	 * to disable it until the driver is shutdown */
+
+	clk_enable(musb->clock);
+	musb_platform_resume(musb);
+
+	ip5k_usb_hcd_vbus_power(musb, musb->board_mode == MUSB_HOST, 1);
+
+	if (is_host_enabled(musb))
+		musb->board_set_vbus = ip5k_usb_hcd_set_vbus;
+	if (is_peripheral_enabled(musb))
+		musb->xceiv.set_power = ip5k_usb_hcd_set_power;
+
+	return 0;
+}
+
+
+int musb_platform_suspend(struct musb *musb)
+{
+	return 0;
+}
+int musb_platform_resume(struct musb *musb)
+{
+	return 0;
+}
+
+int musb_platform_exit(struct musb *musb)
+{
+	ip5k_usb_hcd_vbus_power(musb, 0 /*off*/, 1);
+	musb_platform_suspend(musb);
+	return 0;
+}
diff -ruN linux-2.6.30.10/drivers/video/backlight/Kconfig linux-2.6.30.10-ubi/drivers/video/backlight/Kconfig
--- linux-2.6.30.10/drivers/video/backlight/Kconfig	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/video/backlight/Kconfig	2009-12-11 11:45:20.000000000 +0200
@@ -93,6 +93,63 @@
 	  If you have an HP Jornada 700 series handheld (710/720/728)
 	  say Y to enable LCD control driver.
 
+config LCD_UBICOM32POWER
+	tristate "Ubicom LCD power Driver"
+	depends on LCD_CLASS_DEVICE && UBICOM32
+	default n
+	help
+	  If you have a Ubicom32 based system with an LCD panel that requires
+	  power control, say Y to enable the power control driver for it.
+
+config LCD_UBICOM32
+	tristate "Ubicom Backlight Driver"
+	depends on LCD_CLASS_DEVICE && UBICOM32
+	default n
+	help
+	  This driver takes care of initialization of LCD panels with
+	  built in controllers.
+
+menu "Ubicom32 LCD Panel Support"
+	depends on UBICOM32 && LCD_UBICOM32
+
+config LCD_UBICOM32_TFT2N0369E_P
+	bool "TFT2N0369E (Portrait)"
+	default n
+	help
+	  Support for TFT2N0369 in portrait mode
+
+config LCD_UBICOM32_TFT2N0369E_L
+	bool "TFT2N0369E (Landscape)"
+	default n
+	help
+	  Support for TFT2N0369 in landscape mode
+
+config LCD_UBICOM32_CFAF240320KTTS
+	bool "CFAF240320KTTS"
+	default n
+	help
+	  Support for CFAF240320KTTS
+
+config LCD_UBICOM32_CFAF240320KTTS_180
+	bool "CFAF240320KTTS (180 rotation)"
+	default n
+	help
+	  Support for CFAF240320KTTS rotated 180 degrees
+
+config LCD_UBICOM32_CFAF240320D
+	bool "CFAF240320D"
+	default n
+	help
+	  Support for CFAF240320D
+
+config LCD_UBICOM32_CFAF320240F
+	bool "CFAF320240F"
+	default n
+	help
+	  Support for CFAF320240F
+
+endmenu
+
 #
 # Backlight
 #
@@ -229,3 +286,11 @@
 	help
 	  If you have a Tabletkiosk Sahara Touch-iT, say y to enable the
 	  backlight driver.
+
+config BACKLIGHT_UBICOM32
+	tristate "Ubicom Backlight Driver"
+	depends on BACKLIGHT_CLASS_DEVICE && UBICOM32
+	default n
+	help
+	  If you have a Ubicom32 based system with a backlight say Y to enable the
+	  backlight driver.
diff -ruN linux-2.6.30.10/drivers/video/backlight/Makefile linux-2.6.30.10-ubi/drivers/video/backlight/Makefile
--- linux-2.6.30.10/drivers/video/backlight/Makefile	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/video/backlight/Makefile	2009-12-11 11:45:20.000000000 +0200
@@ -9,6 +9,9 @@
 obj-$(CONFIG_LCD_VGG2432A4)	   += vgg2432a4.o
 obj-$(CONFIG_LCD_TDO24M)	   += tdo24m.o
 obj-$(CONFIG_LCD_TOSA)		   += tosa_lcd.o
+obj-$(CONFIG_LCD_LTV350QV)	   += ltv350qv.o
+obj-$(CONFIG_LCD_UBICOM32POWER)	   += ubicom32lcdpower.o
+obj-$(CONFIG_LCD_UBICOM32)	   += ubicom32lcd.o
 
 obj-$(CONFIG_BACKLIGHT_CLASS_DEVICE) += backlight.o
 obj-$(CONFIG_BACKLIGHT_ATMEL_PWM)    += atmel-pwm-bl.o
@@ -24,4 +27,4 @@
 obj-$(CONFIG_BACKLIGHT_MBP_NVIDIA) += mbp_nvidia_bl.o
 obj-$(CONFIG_BACKLIGHT_TOSA)	+= tosa_bl.o
 obj-$(CONFIG_BACKLIGHT_SAHARA)	+= kb3886_bl.o
-
+obj-$(CONFIG_BACKLIGHT_UBICOM32) += ubicom32bl.o
diff -ruN linux-2.6.30.10/drivers/video/backlight/ubicom32bl.c linux-2.6.30.10-ubi/drivers/video/backlight/ubicom32bl.c
--- linux-2.6.30.10/drivers/video/backlight/ubicom32bl.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/video/backlight/ubicom32bl.c	2009-12-11 11:45:20.000000000 +0200
@@ -0,0 +1,399 @@
+/*
+ * drivers/video/backlight/ubicom32bl.c
+ *	Backlight driver for the Ubicom32 platform
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/backlight.h>
+#include <linux/fb.h>
+
+#include <asm/ubicom32bl.h>
+#include <asm/ip5000.h>
+
+#define DRIVER_NAME			"ubicom32bl"
+#define UBICOM32BL_MAX_BRIGHTNESS	255
+
+struct ubicom32bl_data {
+	/*
+	 * Pointer to the platform data structure.  Keep this around since we need values
+	 * from it to set the backlight intensity.
+	 */
+	const struct ubicom32bl_platform_data	*pdata;
+
+	/*
+	 * Backlight device, we have to save this for use when we remove ourselves.
+	 */
+	struct backlight_device			*bldev;
+
+	/*
+	 * Current intensity, used for get_intensity.
+	 */
+	int					cur_intensity;
+
+	/*
+	 * Init function for PWM
+	 */
+	int (*init_fn)(struct ubicom32bl_data *);
+
+	/*
+	 * Set intensity function depending on the backlight type
+	 */
+	int (*set_intensity_fn)(struct ubicom32bl_data *, int);
+};
+
+/*
+ * ubicom32bl_set_intensity_gpio
+ */
+static int ubicom32bl_set_intensity_gpio(struct ubicom32bl_data *ud, int intensity)
+{
+	ud->cur_intensity = intensity ? 255 : 0;
+
+	if (intensity) {
+		// set gpio
+		return 0;
+	}
+
+	// clear gpio
+	return 0;
+}
+
+/*
+ * ubicom32bl_set_intensity_hw
+ */
+static int ubicom32bl_set_intensity_hw(struct ubicom32bl_data *ud, int intensity)
+{
+	u16_t period = ud->pdata->pwm_period;
+	u16_t duty;
+
+	/*
+	 * Calculate the new duty cycle
+	 */
+	duty = (period * intensity) / (UBICOM32BL_MAX_BRIGHTNESS + 1);
+
+	/*
+	 * Set the new duty cycle
+	 */
+	switch (ud->pdata->pwm_channel) {
+	case 0:
+		/*
+		 * Channel 0 is in the lower half of PORT C ctl0 and ctl1
+		 */
+		UBICOM32_IO_PORT(RC)->ctl1 = (ud->pdata->pwm_period << 16) | duty;
+		break;
+
+	case 1:
+		/*
+		 * Channel 1 is in the upper half of PORT C ctl0 and ctl2
+		 */
+		UBICOM32_IO_PORT(RC)->ctl2 = (ud->pdata->pwm_period << 16) | duty;
+		break;
+
+	case 2:
+		/*
+		 * Channel 2 is in PORT H ctl0 and ctl1
+		 */
+		UBICOM32_IO_PORT(RH)->ctl1 = (ud->pdata->pwm_period << 16) | duty;
+		break;
+	}
+
+	ud->cur_intensity = intensity;
+
+	return 0;
+}
+
+/*
+ * ubicom32bl_set_intensity
+ */
+static int ubicom32bl_set_intensity(struct backlight_device *bd)
+{
+	struct ubicom32bl_data *ud = (struct ubicom32bl_data *)bl_get_data(bd);
+	int intensity = bd->props.brightness;
+
+	/*
+	 * If we're blanked the the intensity doesn't matter.
+	 */
+	if ((bd->props.power != FB_BLANK_UNBLANK) || (bd->props.fb_blank != FB_BLANK_UNBLANK)) {
+		intensity = 0;
+	}
+
+	/*
+	 * Check for inverted backlight.
+	 */
+	if (ud->pdata->invert) {
+		intensity = UBICOM32BL_MAX_BRIGHTNESS - intensity;
+	}
+
+	if (ud->set_intensity_fn) {
+		return ud->set_intensity_fn(ud, intensity);
+	}
+
+	return -ENXIO;
+}
+
+/*
+ * ubicom32bl_get_intensity
+ *	Return the current intensity of the backlight.
+ */
+static int ubicom32bl_get_intensity(struct backlight_device *bd)
+{
+	struct ubicom32bl_data *ud = (struct ubicom32bl_data *)bl_get_data(bd);
+
+	return ud->cur_intensity;
+}
+
+/*
+ * ubicom32bl_init_hw_pwm
+ *	Set the appropriate PWM registers
+ */
+static int ubicom32bl_init_hw_pwm(struct ubicom32bl_data *ud)
+{
+	/*
+	 * bit 13: enable
+	 */
+	u16_t pwm_cfg = (1 << 13) | (ud->pdata->pwm_prescale << 8) ;
+
+	switch (ud->pdata->pwm_channel) {
+	case 0:
+		/*
+		 * Channel 0 is in the lower half of PORT C ctl0 and ctl1 (PA5)
+		 */
+		UBICOM32_IO_PORT(RC)->ctl0 &= ~0xFFFF;
+		UBICOM32_IO_PORT(RC)->ctl0 |= pwm_cfg;
+		UBICOM32_IO_PORT(RC)->ctl1 = ud->pdata->pwm_period << 16;
+
+		/*
+		 * If the port function is not set, set it to GPIO/PWM
+		 */
+		if (!UBICOM32_IO_PORT(RA)->function) {
+			UBICOM32_IO_PORT(RA)->function = 3;
+		}
+		break;
+
+	case 1:
+		/*
+		 * Channel 1 is in the upper half of PORT C ctl0 and ctl2 (PE4)
+		 */
+		UBICOM32_IO_PORT(RC)->ctl0 &= ~0xFFFF0000;
+		UBICOM32_IO_PORT(RC)->ctl0 |= (pwm_cfg << 16);
+		UBICOM32_IO_PORT(RC)->ctl2 = ud->pdata->pwm_period << 16;
+
+		/*
+		 * If the port function is not set, set it to GPIO/ExtIOInt
+		 */
+		if (!UBICOM32_IO_PORT(RE)->function) {
+			UBICOM32_IO_PORT(RE)->function = 3;
+		}
+		break;
+
+	case 2:
+		/*
+		 * Channel 2 is in PORT H ctl0 and ctl1 (PD0)
+		 */
+		UBICOM32_IO_PORT(RH)->ctl0 &= ~0xFFFF0000;
+		UBICOM32_IO_PORT(RH)->ctl0 = pwm_cfg;
+		UBICOM32_IO_PORT(RH)->ctl1 = ud->pdata->pwm_period << 16;
+
+		/*
+		 * If the port function is not set, set it to GPIO
+		 */
+		if (!UBICOM32_IO_PORT(RD)->function) {
+			UBICOM32_IO_PORT(RD)->function = 3;
+		}
+		break;
+	}
+
+	return 0;
+}
+
+/*
+ * ubicom32bl_init_gpio
+ *	Allocate the appropriate GPIO
+ */
+static int ubicom32bl_init_gpio(struct ubicom32bl_data *ud)
+{
+	return 0;
+}
+
+static struct backlight_ops ubicom32bl_ops = {
+	.get_brightness = ubicom32bl_get_intensity,
+	.update_status  = ubicom32bl_set_intensity,
+};
+
+/*
+ * ubicom32bl_probe
+ */
+static int ubicom32bl_probe(struct platform_device *pdev)
+{
+	const struct ubicom32bl_platform_data *pdata = pdev->dev.platform_data;
+	struct ubicom32bl_data *ud;
+	struct backlight_device *bldev;
+	int retval;
+
+	/*
+	 * Check to see if we have any platform data, if we don't then the backlight is not
+	 * configured on this device.
+	 */
+	if (!pdata) {
+		return -ENODEV;
+	}
+
+	/*
+	 * Allocate our private data
+	 */
+	ud = kzalloc(sizeof(struct ubicom32bl_data), GFP_KERNEL);
+	if (!ud) {
+		return -ENOMEM;
+	}
+
+	ud->pdata = pdata;
+
+	/*
+	 * Check to see that the platform data is valid for this driver
+	 */
+	switch (pdata->type) {
+	case UBICOM32BL_TYPE_PWM:
+		{
+			/*
+			 * Make sure we have a PWM peripheral
+			 */
+			u32_t chipid;
+			asm volatile (
+				"move.4         %0, CHIP_ID     \n\t"
+				: "=r" (chipid)
+			);
+			if (chipid != 0x00030001) {
+				retval = -ENODEV;
+				goto fail;
+			}
+
+			if (pdata->pwm_channel > 3) {
+				retval = -ENODEV;
+				goto fail;
+			}
+			if (pdata->pwm_prescale > 16) {
+				retval = -EINVAL;
+				goto fail;
+			}
+
+			ud->init_fn = ubicom32bl_init_hw_pwm;
+			ud->set_intensity_fn = ubicom32bl_set_intensity_hw;
+			break;
+		}
+
+	case UBICOM32BL_TYPE_PWM_HRT:
+		// For now, PWM HRT devices are treated as binary lights.
+
+	case UBICOM32BL_TYPE_BINARY:
+		ud->init_fn = ubicom32bl_init_gpio;
+		ud->set_intensity_fn = ubicom32bl_set_intensity_gpio;
+		break;
+	}
+
+	/*
+	 * Register our backlight device
+	 */
+	bldev = backlight_device_register(DRIVER_NAME, &pdev->dev, ud, &ubicom32bl_ops);
+	if (IS_ERR(bldev)) {
+		retval = PTR_ERR(bldev);
+		goto fail;
+	}
+
+	ud->bldev = bldev;
+	ud->cur_intensity = pdata->default_intensity;
+	platform_set_drvdata(pdev, ud);
+
+	/*
+	 * Start up the backlight at the prescribed default intensity
+	 */
+	bldev->props.power = FB_BLANK_UNBLANK;
+	bldev->props.max_brightness = UBICOM32BL_MAX_BRIGHTNESS;
+	bldev->props.brightness = pdata->default_intensity;
+
+	if (ud->init_fn) {
+		if (ud->init_fn(ud) != 0) {
+			retval = -ENODEV;
+			backlight_device_unregister(ud->bldev);
+			goto fail;
+		}
+	}
+	ubicom32bl_set_intensity(bldev);
+
+	printk(KERN_INFO DRIVER_NAME ": Backlight driver started\n");
+
+	return 0;
+
+fail:
+	platform_set_drvdata(pdev, NULL);
+	kfree(ud);
+	return retval;
+}
+
+/*
+ * ubicom32bl_remove
+ */
+static int __exit ubicom32bl_remove(struct platform_device *pdev)
+{
+	struct ubicom32bl_data *ud = platform_get_drvdata(pdev);
+
+	backlight_device_unregister(ud->bldev);
+	platform_set_drvdata(pdev, NULL);
+	kfree(ud);
+
+	return 0;
+}
+
+static struct platform_driver ubicom32bl_driver = {
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+	},
+
+	.remove = __exit_p(ubicom32bl_remove),
+};
+
+/*
+ * ubicom32bl_init
+ */
+static int __init ubicom32bl_init(void)
+{
+	return platform_driver_probe(&ubicom32bl_driver, ubicom32bl_probe);
+}
+module_init(ubicom32bl_init);
+
+/*
+ * ubicom32bl_exit
+ */
+static void __exit ubicom32bl_exit(void)
+{
+	platform_driver_unregister(&ubicom32bl_driver);
+}
+module_exit(ubicom32bl_exit);
+
+MODULE_AUTHOR("Patrick Tjin <@ubicom.com>");
+MODULE_DESCRIPTION("Ubicom32 backlight driver");
+MODULE_LICENSE("GPL");
diff -ruN linux-2.6.30.10/drivers/video/backlight/ubicom32lcd.c linux-2.6.30.10-ubi/drivers/video/backlight/ubicom32lcd.c
--- linux-2.6.30.10/drivers/video/backlight/ubicom32lcd.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/video/backlight/ubicom32lcd.c	2009-12-11 11:45:20.000000000 +0200
@@ -0,0 +1,372 @@
+/*
+ * drivers/video/ubicom32lcd.c
+ *	LCD initilization code
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+
+#include <asm/ip5000.h>
+#include <asm/gpio.h>
+#include <asm/ubicom32lcd.h>
+
+#include "ubicom32lcd.h"
+
+#define DRIVER_NAME			"ubicom32lcd"
+
+struct ubicom32lcd_data {
+	const struct ubicom32lcd_panel	*panel;
+
+	int				pin_cs;
+	int				pin_rd;
+	int				pin_rs;
+	int				pin_wr;
+	int				pin_reset;
+	struct ubicom32_io_port		*port_data;
+	int				data_shift;
+};
+
+/*
+ * ubicom32lcd_write
+ *	Performs a write cycle on the bus (assumes CS asserted, RD & WR set)
+ */
+static void ubicom32lcd_write(struct ubicom32lcd_data *ud, int command, u16 data)
+{
+	if (command) {
+		UBICOM32_GPIO_SET_PIN_LOW(ud->pin_rs);
+	} else {
+		UBICOM32_GPIO_SET_PIN_HIGH(ud->pin_rs);
+	}
+
+	asm volatile (
+		"or.4	4(%[port]), 4(%[port]), %[mask]	\n\t"
+		"not.4	%[mask], %[mask]		\n\t"
+		"and.4	8(%[port]), 8(%[port]), %[mask]	\n\t"
+		"or.4	8(%[port]), 8(%[port]), %[cmd]	\n\t"
+		:
+		: [port] "a" (ud->port_data),
+		  [mask] "d" (0xFFFF << ud->data_shift),
+		  [cmd] "d" (data << ud->data_shift)
+		: "cc"
+	);
+
+	UBICOM32_GPIO_SET_PIN_LOW(ud->pin_wr);
+
+	//ndelay(50);
+	udelay(1);
+
+	UBICOM32_GPIO_SET_PIN_HIGH(ud->pin_wr);
+
+	udelay(1);
+	//ndelay(50);
+}
+
+/*
+ * ubicom32lcd_read_data
+ *	Performs a read cycle on the bus (assumes CS asserted, RD & WR set)
+ */
+static u16 ubicom32lcd_read_data(struct ubicom32lcd_data *ud)
+{
+	u32_t data;
+
+	UBICOM32_GPIO_SET_PIN_HIGH(ud->pin_rs);
+
+	asm volatile (
+		"and.4	4(%[port]), 4(%[port]), %[mask]\n\t"
+		:
+		: [port] "a" (ud->port_data),
+		  [mask] "d" (~(0xFFFF << ud->data_shift))
+		: "cc"
+	);
+
+	UBICOM32_GPIO_SET_PIN_LOW(ud->pin_rd);
+
+	ndelay(300);
+
+	asm volatile (
+		"lsr.4	%[data], 12(%[port]), %[shamt]	\n\t"
+		"and.4	%[data], %[data], %[mask]	\n\t"
+		: [data] "=d" (data)
+		: [port] "a" (ud->port_data),
+		  [mask] "d" (0xFFFF),
+		  [shamt] "d" (ud->data_shift)
+		: "cc"
+	);
+
+	ndelay(200);
+
+	UBICOM32_GPIO_SET_PIN_HIGH(ud->pin_rd);
+
+	ndelay(500);
+
+	return data;
+}
+
+/*
+ * ubicom32lcd_execute
+ *	Executes a script for performing operations on the LCD (assumes CS set)
+ */
+static void ubicom32lcd_execute(struct ubicom32lcd_data *ud, const struct ubicom32lcd_step *script)
+{
+	while (1) {
+		switch (script->op) {
+		case LCD_STEP_CMD:
+			ubicom32lcd_write(ud, 1, script->cmd);
+			break;
+
+		case LCD_STEP_DATA:
+			ubicom32lcd_write(ud, 0, script->data);
+			break;
+
+		case LCD_STEP_CMD_DATA:
+			ubicom32lcd_write(ud, 1, script->cmd);
+			ubicom32lcd_write(ud, 0, script->data);
+			break;
+
+		case LCD_STEP_SLEEP:
+			udelay(script->data);
+			break;
+
+		case LCD_STEP_DONE:
+			return;
+		}
+		script++;
+	}
+}
+
+/*
+ * ubicom32lcd_goto
+ *	Places the gram pointer at a specific X, Y address
+ */
+static void ubicom32lcd_goto(struct ubicom32lcd_data *ud, int x, int y)
+{
+	ubicom32lcd_write(ud, 1, ud->panel->horz_reg);
+	ubicom32lcd_write(ud, 0, x);
+	ubicom32lcd_write(ud, 1, ud->panel->vert_reg);
+	ubicom32lcd_write(ud, 0, y);
+	ubicom32lcd_write(ud, 1, ud->panel->gram_reg);
+}
+
+/*
+ * ubicom32lcd_panel_init
+ *	Initializes the lcd panel.
+ */
+static int ubicom32lcd_panel_init(struct ubicom32lcd_data *ud)
+{
+	u16 id;
+
+	UBICOM32_GPIO_SET_PIN_LOW(ud->pin_reset);
+	UBICOM32_GPIO_SET_PIN_OUTPUT(ud->pin_reset);
+	UBICOM32_GPIO_ENABLE(ud->pin_reset);
+
+	asm volatile (
+		"or.4	0x50(%[port]), 0x50(%[port]), %[mask]	\n\t"
+		"not.4	%[mask], %[mask]			\n\t"
+		"and.4	0x04(%[port]), 0x04(%[port]), %[mask]	\n\t"
+		:
+		: [port] "a" (ud->port_data),
+		  [mask] "d" (0xFFFF << ud->data_shift)
+		: "cc"
+	);
+
+	UBICOM32_GPIO_SET_PIN_HIGH(ud->pin_rs);
+	UBICOM32_GPIO_SET_PIN_HIGH(ud->pin_rd);
+	UBICOM32_GPIO_SET_PIN_HIGH(ud->pin_wr);
+	UBICOM32_GPIO_SET_PIN_HIGH(ud->pin_cs);
+
+	UBICOM32_GPIO_SET_PIN_OUTPUT(ud->pin_rs);
+	UBICOM32_GPIO_SET_PIN_OUTPUT(ud->pin_rd);
+	UBICOM32_GPIO_SET_PIN_OUTPUT(ud->pin_wr);
+	UBICOM32_GPIO_SET_PIN_OUTPUT(ud->pin_cs);
+
+	UBICOM32_GPIO_ENABLE(ud->pin_rs);
+	UBICOM32_GPIO_ENABLE(ud->pin_rd);
+	UBICOM32_GPIO_ENABLE(ud->pin_wr);
+	UBICOM32_GPIO_ENABLE(ud->pin_cs);
+
+	udelay(20);
+
+	UBICOM32_GPIO_SET_PIN_HIGH(ud->pin_reset);
+
+	udelay(20);
+
+	UBICOM32_GPIO_SET_PIN_LOW(ud->pin_cs);
+
+	id = ubicom32lcd_read_data(ud);
+
+	/*
+	 * We will try to figure out what kind of panel we have if we were not told.
+	 */
+	if (!ud->panel) {
+		const struct ubicom32lcd_panel **p = ubicom32lcd_panels;
+		while (*p) {
+			if ((*p)->id && ((*p)->id == id)) {
+				break;
+			}
+			p++;
+		}
+		if (!*p) {
+			printk(KERN_WARNING DRIVER_NAME ":Could not find compatible panel, id=%x\n", id);
+			return -ENODEV;
+		}
+		ud->panel = *p;
+	}
+
+	/*
+	 * Make sure panel ID matches if we were supplied a panel type
+	 */
+	if (ud->panel->id && (ud->panel->id != id)) {
+		UBICOM32_GPIO_SET_PIN_HIGH(ud->pin_cs);
+
+		return -ENODEV;
+	}
+
+	ubicom32lcd_execute(ud, ud->panel->init_seq);
+
+	ubicom32lcd_goto(ud, 0, 0);
+
+	UBICOM32_GPIO_SET_PIN_HIGH(ud->pin_cs);
+	UBICOM32_GPIO_SET_PIN_HIGH(ud->pin_rd);
+	UBICOM32_GPIO_SET_PIN_HIGH(ud->pin_wr);
+	UBICOM32_GPIO_SET_PIN_HIGH(ud->pin_rs);
+
+	printk(KERN_INFO DRIVER_NAME ": Initialized panel %s\n", ud->panel->desc);
+
+	return 0;
+}
+
+/*
+ * ubicom32lcd_probe
+ */
+static int ubicom32lcd_probe(struct platform_device *pdev)
+{
+	const struct ubicom32lcd_platform_data *pdata = pdev->dev.platform_data;
+	struct ubicom32lcd_data *ud;
+	int retval;
+
+	/*
+	 * Allocate our private data
+	 */
+	ud = kzalloc(sizeof(struct ubicom32lcd_data), GFP_KERNEL);
+	if (!ud) {
+		return -ENOMEM;
+	}
+
+	if (pdata) {
+		ud->pin_cs = pdata->pin_cs;
+		ud->pin_rd = pdata->pin_rd;
+		ud->pin_wr = pdata->pin_wr;
+		ud->pin_rs = pdata->pin_rs;
+		ud->pin_reset = pdata->pin_reset;
+		ud->port_data = pdata->port_data;
+		ud->data_shift = pdata->data_shift;
+	} else {
+		/*
+		 * Defaults
+		 */
+		ud->pin_cs = GPIO_RD_4;
+		ud->pin_rd = GPIO_RD_5;
+		ud->pin_rs = GPIO_RD_3;
+		ud->pin_wr = GPIO_RD_2;
+		ud->pin_reset = GPIO_RD_7;
+		ud->port_data = (struct ubicom32_io_port *)RI;
+		ud->data_shift = 0;
+	}
+
+	/*
+	 * Initialize the display
+	 */
+	retval = ubicom32lcd_panel_init(ud);
+	if (retval) {
+		kfree(ud);
+		return retval;
+	}
+
+	printk(KERN_INFO DRIVER_NAME ": LCD initialized\n");
+
+	return 0;
+}
+
+/*
+ * ubicom32lcd_remove
+ */
+static int __exit ubicom32lcd_remove(struct platform_device *pdev)
+{
+	struct ubicom32lcd_data *ud = platform_get_drvdata(pdev);
+
+	kfree(ud);
+
+	return 0;
+}
+
+static struct platform_driver ubicom32lcd_driver = {
+	.probe          = ubicom32lcd_probe,
+	.remove         = ubicom32lcd_remove,
+
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+	},
+
+	.remove = __exit_p(ubicom32lcd_remove),
+};
+
+static struct platform_device *ubicom32lcd_device;
+
+/*
+ * ubicom32lcd_init
+ */
+static int __init ubicom32lcd_init(void)
+{
+	int res;
+
+	res = platform_driver_register(&ubicom32lcd_driver);
+	if (res == 0) {
+		ubicom32lcd_device = platform_device_alloc(DRIVER_NAME, 0);
+		if (ubicom32lcd_device) {
+			res = platform_device_add(ubicom32lcd_device);
+		} else {
+			res = -ENOMEM;
+		}
+		if (res) {
+			platform_device_put(ubicom32lcd_device);
+			platform_driver_unregister(&ubicom32lcd_driver);
+		}
+	}
+	return res;
+}
+module_init(ubicom32lcd_init);
+
+/*
+ * ubicom32lcd_exit
+ */
+static void __exit ubicom32lcd_exit(void)
+{
+	platform_device_unregister(ubicom32lcd_device);
+	platform_driver_unregister(&ubicom32lcd_driver);
+}
+module_exit(ubicom32lcd_exit);
+
+MODULE_AUTHOR("Patrick Tjin <@ubicom.com>");
+MODULE_DESCRIPTION("Ubicom32 LCD driver");
+MODULE_LICENSE("GPL");
diff -ruN linux-2.6.30.10/drivers/video/backlight/ubicom32lcd.h linux-2.6.30.10-ubi/drivers/video/backlight/ubicom32lcd.h
--- linux-2.6.30.10/drivers/video/backlight/ubicom32lcd.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/video/backlight/ubicom32lcd.h	2009-12-11 11:45:20.000000000 +0200
@@ -0,0 +1,546 @@
+/*
+ * ubicom32lcd.h
+ *	Ubicom32 lcd panel drivers
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * This Ubicom32 library is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This Ubicom32 library is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _UBICOM32LCD_H_
+#define _UBICOM32LCD_H_
+
+enum ubicom32lcd_op {
+	/*
+	 * Sleep for (data) ms
+	 */
+	LCD_STEP_SLEEP,
+
+	/*
+	 * Execute write of command
+	 */
+	LCD_STEP_CMD,
+
+	/*
+	 * Execute write of data
+	 */
+	LCD_STEP_DATA,
+
+	/*
+	 * Execute write of command/data
+	 */
+	LCD_STEP_CMD_DATA,
+
+	/*
+	 * Script done
+	 */
+	LCD_STEP_DONE,
+};
+
+struct ubicom32lcd_step {
+	enum ubicom32lcd_op		op;
+	u16				cmd;
+	u16				data;
+};
+
+struct ubicom32lcd_panel {
+	const struct ubicom32lcd_step	*init_seq;
+	const char			*desc;
+
+	u32				xres;
+	u32				yres;
+	u32				stride;
+	u32				flags;
+
+	u16				id;
+	u16				horz_reg;
+	u16				vert_reg;
+	u16				gram_reg;
+};
+
+#ifdef CONFIG_LCD_UBICOM32_CFAF240320KTTS
+static const struct ubicom32lcd_step cfaf240320ktts_init_0[] = {
+	{LCD_STEP_CMD_DATA, 0x0001, 0x0000,}, // Driver Output Control Register (R01h)		Page 14, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0002, 0x0700,}, // LCD Driving Waveform Control (R02h)		Page 15, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0003, 0x50A0,}, // Entry Mode (R03h)				0 degrees
+	{LCD_STEP_CMD_DATA, 0x0004, 0x0000,}, // Scaling Control register (R04h)		Page 16, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0008, 0x0207,}, // Display Control 2 (R08h)			Page 17, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0009, 0x0000,}, // Display Control 3 (R09h)			Page 18, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x000A, 0x0000,}, // Frame Cycle Control (R0Ah)			Page 19, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x000C, 0x0000,}, // External Display Interface Control 1 (R0Ch)	Page 20, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x000D, 0x0000,}, // Frame Maker Position (R0Dh)			Page 21, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x000F, 0x0000,}, // External Display Interface Control 2 (R0Fh)	Page 21, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0010, 0x0000,}, // Power Control 1 (R10h)				Page 22, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0011, 0x0007,}, // Power Control 2 (R11h)				Page 23, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0012, 0x0000,}, // Power Control 3 (R12h)				Page 24, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0013, 0x0000,}, // Power Control 4 (R13h)				Page 25, SPFD5408B Datasheet
+	{LCD_STEP_SLEEP, 0, 200},
+	{LCD_STEP_CMD_DATA, 0x0007, 0x0101,}, // Display Control (R07h)				Page 16, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0010, 0x12B0,}, // Power Control 1 (R10h)				Page 22, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0011, 0x0007,}, // Power Control 2 (R11h)				Page 23, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0012, 0x01BB,}, // Power Control 3 (R12h)				Page 24, SPFD5408B Datasheet
+	{LCD_STEP_SLEEP, 0, 50},
+	{LCD_STEP_CMD_DATA, 0x0013, 0x1300,}, // Power Control 4 (R13h)				Page 25, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0029, 0x0010,}, // NVM read data 2 (R29h)				Page 30, SPFD5408B Datasheet
+	{LCD_STEP_SLEEP, 0, 50},
+	{LCD_STEP_CMD_DATA, 0x0030, 0x000A,}, // Gamma Control 1       			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0031, 0x1326,}, // Gamma Control 2       			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0032, 0x0A29,}, // Gamma Control 3       			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0033, 0x290A,}, // Gamma Control 4       			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0034, 0x2613,}, // Gamma Control 5       			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0035, 0x0A0A,}, // Gamma Control 6       			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0036, 0x1E03,}, // Gamma Control 7       			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0037, 0x031E,}, // Gamma Control 8       			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0038, 0x0706,}, // Gamma Control 9       			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0039, 0x0303,}, // Gamma Control 10      			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x003A, 0x0E04,}, // Gamma Control 11      			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x003B, 0x0E01,}, // Gamma Control 12      			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x003C, 0x010E,}, // Gamma Control 13      			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x003D, 0x040E,}, // Gamma Control 14      			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x003E, 0x0303,}, // Gamma Control 15      			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x003F, 0x0607,}, // Gamma Control 16      			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0050, 0x0000,}, // Window Horizontal RAM Address Start (R50h)	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0051, 0x00EF,}, // Window Horizontal RAM Address End (R51h)	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0052, 0x0000,}, // Window Vertical RAM Address Start (R52h)	Page 33, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0053, 0x013F,}, // Window Vertical RAM Address End (R53h)		Page 33, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0060, 0x2700,}, // Driver Output Control (R60h)			Page 33, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0061, 0x0001,}, // Driver Output Control (R61h)			Page 35, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x006A, 0x0000,}, // Vertical Scroll Control (R6Ah)			Page 35, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0080, 0x0000,}, // Display Position - Partial Display 1 (R80h)	Page 35, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0081, 0x0000,}, // RAM Address Start - Partial Display 1 (R81h)	Page 35, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0082, 0x0000,}, // RAM Address End - Partial Display 1 (R82h)	Page 36, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0083, 0x0000,}, // Display Position - Partial Display 2 (R83h)	Page 36, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0084, 0x0000,}, // RAM Address Start - Partial Display 2 (R84h)	Page 36, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0085, 0x0000,}, // RAM Address End - Partial Display 2 (R85h)	Page 36, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0090, 0x0010,}, // Panel Interface Control 1 (R90h)		Page 36, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0092, 0x0000,}, // Panel Interface Control 2 (R92h)		Page 37, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0093, 0x0103,}, // Panel Interface control 3 (R93h)		Page 38, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0095, 0x0210,}, // Panel Interface control 4 (R95h)		Page 38, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0097, 0x0000,}, // Panel Interface Control 5 (R97h)		Page 40, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0098, 0x0000,}, // Panel Interface Control 6 (R98h)		Page 41, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0007, 0x0173,}, // Display Control (R07h)				Page 16, SPFD5408B Datasheet
+	{LCD_STEP_DONE, 0, 0},
+};
+
+const struct ubicom32lcd_panel cfaf240320ktts_0 = {
+	.desc		= "CFAF240320KTTS",
+	.init_seq	= cfaf240320ktts_init_0,
+	.horz_reg	= 0x20,
+	.vert_reg	= 0x21,
+	.gram_reg	= 0x22,
+	.xres		= 240,
+	.yres		= 320,
+	.stride		= 240,
+	.id		= 0x5408,
+};
+#endif
+
+#ifdef CONFIG_LCD_UBICOM32_CFAF240320KTTS_180
+static const struct ubicom32lcd_step cfaf240320ktts_init_180[] = {
+	{LCD_STEP_CMD_DATA, 0x0001, 0x0000,}, // Driver Output Control Register (R01h)		Page 14, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0002, 0x0700,}, // LCD Driving Waveform Control (R02h)		Page 15, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0003, 0x5000,}, // Entry Mode (R03h)				180 degrees
+	{LCD_STEP_CMD_DATA, 0x0004, 0x0000,}, // Scaling Control register (R04h)		Page 16, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0008, 0x0207,}, // Display Control 2 (R08h)			Page 17, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0009, 0x0000,}, // Display Control 3 (R09h)			Page 18, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x000A, 0x0000,}, // Frame Cycle Control (R0Ah)			Page 19, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x000C, 0x0000,}, // External Display Interface Control 1 (R0Ch)	Page 20, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x000D, 0x0000,}, // Frame Maker Position (R0Dh)			Page 21, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x000F, 0x0000,}, // External Display Interface Control 2 (R0Fh)	Page 21, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0010, 0x0000,}, // Power Control 1 (R10h)				Page 22, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0011, 0x0007,}, // Power Control 2 (R11h)				Page 23, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0012, 0x0000,}, // Power Control 3 (R12h)				Page 24, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0013, 0x0000,}, // Power Control 4 (R13h)				Page 25, SPFD5408B Datasheet
+	{LCD_STEP_SLEEP, 0, 200},
+	{LCD_STEP_CMD_DATA, 0x0007, 0x0101,}, // Display Control (R07h)				Page 16, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0010, 0x12B0,}, // Power Control 1 (R10h)				Page 22, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0011, 0x0007,}, // Power Control 2 (R11h)				Page 23, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0012, 0x01BB,}, // Power Control 3 (R12h)				Page 24, SPFD5408B Datasheet
+	{LCD_STEP_SLEEP, 0, 50},
+	{LCD_STEP_CMD_DATA, 0x0013, 0x1300,}, // Power Control 4 (R13h)				Page 25, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0029, 0x0010,}, // NVM read data 2 (R29h)				Page 30, SPFD5408B Datasheet
+	{LCD_STEP_SLEEP, 0, 50},
+	{LCD_STEP_CMD_DATA, 0x0030, 0x000A,}, // Gamma Control 1       			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0031, 0x1326,}, // Gamma Control 2       			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0032, 0x0A29,}, // Gamma Control 3       			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0033, 0x290A,}, // Gamma Control 4       			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0034, 0x2613,}, // Gamma Control 5       			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0035, 0x0A0A,}, // Gamma Control 6       			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0036, 0x1E03,}, // Gamma Control 7       			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0037, 0x031E,}, // Gamma Control 8       			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0038, 0x0706,}, // Gamma Control 9       			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0039, 0x0303,}, // Gamma Control 10      			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x003A, 0x0E04,}, // Gamma Control 11      			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x003B, 0x0E01,}, // Gamma Control 12      			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x003C, 0x010E,}, // Gamma Control 13      			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x003D, 0x040E,}, // Gamma Control 14      			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x003E, 0x0303,}, // Gamma Control 15      			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x003F, 0x0607,}, // Gamma Control 16      			 	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0050, 0x0000,}, // Window Horizontal RAM Address Start (R50h)	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0051, 0x00EF,}, // Window Horizontal RAM Address End (R51h)	Page 32, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0052, 0x0000,}, // Window Vertical RAM Address Start (R52h)	Page 33, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0053, 0x013F,}, // Window Vertical RAM Address End (R53h)		Page 33, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0060, 0x2700,}, // Driver Output Control (R60h)			Page 33, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0061, 0x0001,}, // Driver Output Control (R61h)			Page 35, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x006A, 0x0000,}, // Vertical Scroll Control (R6Ah)			Page 35, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0080, 0x0000,}, // Display Position - Partial Display 1 (R80h)	Page 35, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0081, 0x0000,}, // RAM Address Start - Partial Display 1 (R81h)	Page 35, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0082, 0x0000,}, // RAM Address End - Partial Display 1 (R82h)	Page 36, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0083, 0x0000,}, // Display Position - Partial Display 2 (R83h)	Page 36, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0084, 0x0000,}, // RAM Address Start - Partial Display 2 (R84h)	Page 36, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0085, 0x0000,}, // RAM Address End - Partial Display 2 (R85h)	Page 36, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0090, 0x0010,}, // Panel Interface Control 1 (R90h)		Page 36, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0092, 0x0000,}, // Panel Interface Control 2 (R92h)		Page 37, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0093, 0x0103,}, // Panel Interface control 3 (R93h)		Page 38, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0095, 0x0210,}, // Panel Interface control 4 (R95h)		Page 38, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0097, 0x0000,}, // Panel Interface Control 5 (R97h)		Page 40, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0098, 0x0000,}, // Panel Interface Control 6 (R98h)		Page 41, SPFD5408B Datasheet
+	{LCD_STEP_CMD_DATA, 0x0007, 0x0173,}, // Display Control (R07h)				Page 16, SPFD5408B Datasheet
+	{LCD_STEP_DONE, 0, 0},
+};
+
+const struct ubicom32lcd_panel cfaf240320ktts_180 = {
+	.desc		= "CFAF240320KTTS 180",
+	.init_seq	= cfaf240320ktts_init_180,
+	.horz_reg	= 0x20,
+	.vert_reg	= 0x21,
+	.gram_reg	= 0x22,
+	.xres		= 240,
+	.yres		= 320,
+	.stride		= 240,
+	.id		= 0x5408,
+};
+#endif
+
+#ifdef CONFIG_LCD_UBICOM32_TFT2N0369E_P
+static const struct ubicom32lcd_step tft2n0369ep_init[] = {
+	{LCD_STEP_CMD_DATA, 0x0028, 0x0006},
+	{LCD_STEP_CMD_DATA, 0x0000, 0x0001},
+	{LCD_STEP_SLEEP, 0, 15},
+	{LCD_STEP_CMD_DATA, 0x002B, 0x9532},
+	{LCD_STEP_CMD_DATA, 0x0003, 0xAAAC},
+	{LCD_STEP_CMD_DATA, 0x000C, 0x0002},
+	{LCD_STEP_CMD_DATA, 0x000D, 0x000A},
+	{LCD_STEP_CMD_DATA, 0x000E, 0x2C00},
+	{LCD_STEP_CMD_DATA, 0x001E, 0x00AA},
+	{LCD_STEP_CMD_DATA, 0x0025, 0x8000},
+	{LCD_STEP_SLEEP, 0, 15},
+	{LCD_STEP_CMD_DATA, 0x0001, 0x2B3F},
+	{LCD_STEP_CMD_DATA, 0x0002, 0x0600},
+	{LCD_STEP_CMD_DATA, 0x0010, 0x0000},
+	{LCD_STEP_CMD_DATA, 0x0011, 0x6030},
+	{LCD_STEP_SLEEP, 0, 20},
+	{LCD_STEP_CMD_DATA, 0x0005, 0x0000},
+	{LCD_STEP_CMD_DATA, 0x0006, 0x0000},
+	{LCD_STEP_CMD_DATA, 0x0016, 0xEF1C},
+	{LCD_STEP_CMD_DATA, 0x0017, 0x0003},
+	{LCD_STEP_CMD_DATA, 0x0007, 0x0233},
+	{LCD_STEP_CMD_DATA, 0x000B, 0x5312},
+	{LCD_STEP_CMD_DATA, 0x000F, 0x0000},
+	{LCD_STEP_SLEEP, 0, 20},
+	{LCD_STEP_CMD_DATA, 0x0041, 0x0000},
+	{LCD_STEP_CMD_DATA, 0x0042, 0x0000},
+	{LCD_STEP_CMD_DATA, 0x0048, 0x0000},
+	{LCD_STEP_CMD_DATA, 0x0049, 0x013F},
+	{LCD_STEP_CMD_DATA, 0x0044, 0xEF00},
+	{LCD_STEP_CMD_DATA, 0x0045, 0x0000},
+	{LCD_STEP_CMD_DATA, 0x0046, 0x013F},
+	{LCD_STEP_CMD_DATA, 0x004A, 0x0000},
+	{LCD_STEP_CMD_DATA, 0x004B, 0x0000},
+	{LCD_STEP_SLEEP, 0, 20},
+	{LCD_STEP_CMD_DATA, 0x0030, 0x0707},
+	{LCD_STEP_CMD_DATA, 0x0031, 0x0704},
+	{LCD_STEP_CMD_DATA, 0x0032, 0x0204},
+	{LCD_STEP_CMD_DATA, 0x0033, 0x0201},
+	{LCD_STEP_CMD_DATA, 0x0034, 0x0203},
+	{LCD_STEP_CMD_DATA, 0x0035, 0x0204},
+	{LCD_STEP_CMD_DATA, 0x0036, 0x0204},
+	{LCD_STEP_CMD_DATA, 0x0037, 0x0502},
+	{LCD_STEP_CMD_DATA, 0x003A, 0x0302},
+	{LCD_STEP_CMD_DATA, 0x003B, 0x0500},
+	{LCD_STEP_SLEEP, 0, 20},
+	{LCD_STEP_CMD_DATA, 0x0044, 239 << 8 | 0},
+	{LCD_STEP_CMD_DATA, 0x0045, 0x0000},
+	{LCD_STEP_CMD_DATA, 0x0046, 319},
+	{LCD_STEP_DONE, 0, 0},
+};
+
+const struct ubicom32lcd_panel tft2n0369ep = {
+	.desc		= "TFT2N0369E-Portrait",
+	.init_seq	= tft2n0369ep_init,
+	.horz_reg	= 0x4e,
+	.vert_reg	= 0x4f,
+	.gram_reg	= 0x22,
+	.xres		= 240,
+	.yres		= 320,
+	.stride		= 240,
+	.id		= 0x8989,
+};
+#endif
+
+#ifdef CONFIG_LCD_UBICOM32_TFT2N0369E_L
+static const struct ubicom32lcd_step tft2n0369e_init[] = {
+	{LCD_STEP_CMD_DATA, 0x0028, 0x0006},
+	{LCD_STEP_CMD_DATA, 0x0000, 0x0001},
+	{LCD_STEP_SLEEP, 0, 15},
+	{LCD_STEP_CMD_DATA, 0x002B, 0x9532},
+	{LCD_STEP_CMD_DATA, 0x0003, 0xAAAC},
+	{LCD_STEP_CMD_DATA, 0x000C, 0x0002},
+	{LCD_STEP_CMD_DATA, 0x000D, 0x000A},
+	{LCD_STEP_CMD_DATA, 0x000E, 0x2C00},
+	{LCD_STEP_CMD_DATA, 0x001E, 0x00AA},
+	{LCD_STEP_CMD_DATA, 0x0025, 0x8000},
+	{LCD_STEP_SLEEP, 0, 15},
+	{LCD_STEP_CMD_DATA, 0x0001, 0x2B3F},
+	{LCD_STEP_CMD_DATA, 0x0002, 0x0600},
+	{LCD_STEP_CMD_DATA, 0x0010, 0x0000},
+	{LCD_STEP_CMD_DATA, 0x0011, 0x60A8},
+	{LCD_STEP_SLEEP, 0, 20},
+	{LCD_STEP_CMD_DATA, 0x0005, 0x0000},
+	{LCD_STEP_CMD_DATA, 0x0006, 0x0000},
+	{LCD_STEP_CMD_DATA, 0x0016, 0xEF1C},
+	{LCD_STEP_CMD_DATA, 0x0017, 0x0003},
+	{LCD_STEP_CMD_DATA, 0x0007, 0x0233},
+	{LCD_STEP_CMD_DATA, 0x000B, 0x5312},
+	{LCD_STEP_CMD_DATA, 0x000F, 0x0000},
+	{LCD_STEP_SLEEP, 0, 20},
+	{LCD_STEP_CMD_DATA, 0x0041, 0x0000},
+	{LCD_STEP_CMD_DATA, 0x0042, 0x0000},
+	{LCD_STEP_CMD_DATA, 0x0048, 0x0000},
+	{LCD_STEP_CMD_DATA, 0x0049, 0x013F},
+	{LCD_STEP_CMD_DATA, 0x0044, 0xEF00},
+	{LCD_STEP_CMD_DATA, 0x0045, 0x0000},
+	{LCD_STEP_CMD_DATA, 0x0046, 0x013F},
+	{LCD_STEP_CMD_DATA, 0x004A, 0x0000},
+	{LCD_STEP_CMD_DATA, 0x004B, 0x0000},
+	{LCD_STEP_SLEEP, 0, 20},
+	{LCD_STEP_CMD_DATA, 0x0030, 0x0707},
+	{LCD_STEP_CMD_DATA, 0x0031, 0x0704},
+	{LCD_STEP_CMD_DATA, 0x0032, 0x0204},
+	{LCD_STEP_CMD_DATA, 0x0033, 0x0201},
+	{LCD_STEP_CMD_DATA, 0x0034, 0x0203},
+	{LCD_STEP_CMD_DATA, 0x0035, 0x0204},
+	{LCD_STEP_CMD_DATA, 0x0036, 0x0204},
+	{LCD_STEP_CMD_DATA, 0x0037, 0x0502},
+	{LCD_STEP_CMD_DATA, 0x003A, 0x0302},
+	{LCD_STEP_CMD_DATA, 0x003B, 0x0500},
+	{LCD_STEP_SLEEP, 0, 20},
+	{LCD_STEP_CMD_DATA, 0x0044, 239 << 8 | 0},
+	{LCD_STEP_CMD_DATA, 0x0045, 0x0000},
+	{LCD_STEP_CMD_DATA, 0x0046, 319},
+	{LCD_STEP_DONE, 0, 0},
+};
+
+const struct ubicom32lcd_panel tft2n0369e = {
+	.desc		= "TFT2N0369E-Landscape",
+	.init_seq	= tft2n0369e_init,
+	.horz_reg	= 0x4e,
+	.vert_reg	= 0x4f,
+	.gram_reg	= 0x22,
+	.xres		= 320,
+	.yres		= 240,
+	.stride		= 320,
+	.id		= 0x8989,
+};
+#endif
+
+#ifdef CONFIG_LCD_UBICOM32_CFAF240400D
+static const struct ubicom32lcd_step cfaf240400d_init[] = {
+	{LCD_STEP_CMD_DATA, 0x0606, 0x0000},	// Pin Control (R606h)		// Page 41 of SPFD5420A Datasheet
+	{LCD_STEP_SLEEP, 0, 50},
+	{LCD_STEP_CMD_DATA, 0x0007, 0x0001},	// Display Control 1 (R007h)	// Page 16 of SPFD5420A Datasheet
+	{LCD_STEP_SLEEP, 0, 50},
+	{LCD_STEP_CMD_DATA, 0x0110, 0x0001},	// Power Control 6(R110h)	// Page 30 of SPFD5420A Datasheet
+	{LCD_STEP_SLEEP, 0, 50},
+	{LCD_STEP_CMD_DATA, 0x0100, 0x17B0},	// Power Control 1 (R100h)	// Page 26 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0101, 0x0147},	// Power Control 2 (R101h)	// Page 27 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0102, 0x019D},	// Power Control 3 (R102h)	// Page 28 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0103, 0x3600},	// Power Control 4 (R103h)	// Page 29 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0281, 0x0010},	// NVM read data 2 (R281h)  	// Page 34 of SPFD5420A Datasheet
+	{LCD_STEP_SLEEP, 0, 50},
+	{LCD_STEP_CMD_DATA, 0x0102, 0x01BD},	// Power Control 3 (R102h)	// Page 28 of SPFD5420A Datasheet
+	{LCD_STEP_SLEEP, 0, 50},
+
+	//--------------- Power control 1~6 ---------------//
+	{LCD_STEP_CMD_DATA, 0x0100, 0x16B0},	// Power Control 1 (R100h)	// Page 26 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0101, 0x0147},	// Power Control 2 (R101h)	// Page 27 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0102, 0x01BD},	// Power Control 3 (R102h)	// Page 28 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0103, 0x2d00},	// Power Control 4 (R103h)	// Page 29 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0107, 0x0000},	// Power Control 5 (R107h)	// Page 30 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0110, 0x0001},	// Power Control 6(R110h)	// Page 30 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0280, 0x0000},	// NVM read data 1 (R280h)	// Page 33 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0281, 0x0006},	// NVM read data 2 (R281h)	// Page 34 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0282, 0x0000},	// NVM read data 3 (R282h)	// Page 34 of SPFD5420A Datasheet
+
+	//------- Gamma 2.2 control (R300h to R30Fh) ------//
+	{LCD_STEP_CMD_DATA, 0x0300, 0x0101},
+	{LCD_STEP_CMD_DATA, 0x0301, 0x0b27},
+	{LCD_STEP_CMD_DATA, 0x0302, 0x132a},
+	{LCD_STEP_CMD_DATA, 0x0303, 0x2a13},
+	{LCD_STEP_CMD_DATA, 0x0304, 0x270b},
+	{LCD_STEP_CMD_DATA, 0x0305, 0x0101},
+	{LCD_STEP_CMD_DATA, 0x0306, 0x1205},
+	{LCD_STEP_CMD_DATA, 0x0307, 0x0512},
+	{LCD_STEP_CMD_DATA, 0x0308, 0x0005},
+	{LCD_STEP_CMD_DATA, 0x0309, 0x0003},
+	{LCD_STEP_CMD_DATA, 0x030A, 0x0f04},
+	{LCD_STEP_CMD_DATA, 0x030B, 0x0f00},
+	{LCD_STEP_CMD_DATA, 0x030C, 0x000f},
+	{LCD_STEP_CMD_DATA, 0x030D, 0x040f},
+	{LCD_STEP_CMD_DATA, 0x030E, 0x0300},
+	{LCD_STEP_CMD_DATA, 0x030F, 0x0500},
+
+	{LCD_STEP_CMD_DATA, 0x0400, 0x3500},	// Base Image Number of Line (R400h)		// Page 36 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0401, 0x0001},	// Base Image Display Control (R401h)		// Page 39 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0404, 0x0000},	// Based Image Vertical Scroll Control (R404h)	// Page 40 of SPFD5420A Datasheet
+
+	//--------------- Normal set ---------------//
+	{LCD_STEP_CMD_DATA, 0x0000, 0x0000},	// ID Read Register (R000h)			// Page 13 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0001, 0x0100},	// Driver Output Control Register (R001h)	// Page 14 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0002, 0x0100},	// LCD Driving Waveform Control (R002h)		// Page 14 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0003, 0x1030},	// Entry Mode (R003h)				// Page 15 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0006, 0x0000},	// Display Control 1 (R007h)			// Page 16 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0008, 0x0808},	// Display Control 2 (R008h)			// Page 17 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0009, 0x0001},	// Display Control 3 (R009h)			// Page 18 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x000B, 0x0010},	// Low Power Control (R00Bh)			// Page 19 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x000C, 0x0000},	// External Display Interface Control 1 (R00Ch)	// Page 19 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x000F, 0x0000},	// External Display Interface Control 2 (R00Fh)	// Page 20 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0007, 0x0001},	// Display Control 1 (R007h)			// Page 16 of SPFD5420A Datasheet
+
+	//--------------- Panel interface control 1~6 ---------------//
+	{LCD_STEP_CMD_DATA, 0x0010, 0x0012},	// Panel Interface Control 1 (R010h)		// Page 20 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0011, 0x0202},	// Panel Interface Control 2 (R011h)		// Page 21 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0012, 0x0300},	// Panel Interface control 3 (R012h)		// Page 22 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0020, 0x021E},	// Panel Interface control 4 (R020h)		// Page 22 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0021, 0x0202},	// Panel Interface Control 5 (021Rh)		// Page 24 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0022, 0x0100},	// Panel Interface Control 6 (R022h)		// Page 25 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0090, 0x8000},	// Frame Marker Control (R090h)			// Page 25 of SPFD5420A Datasheet
+
+	//--------------- Partial display ---------------//
+	{LCD_STEP_CMD_DATA, 0x0210, 0x0000},	// Window Horizontal RAM Address Start (R210h)	// Page 35 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0211, 0x00EF},	// Window Horziontal RAM Address End (R211h)	// Page 35 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0212, 0x0000},	// Window Vertical RAM Address Start (R212h)	// Page 35 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0213, 0x018F},	// Window Vertical RAM Address End (R213h)	// Page 35 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0500, 0x0000},	// Display Position - Partial Display 1 (R500h)	// Page 40 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0501, 0x0000},	// RAM Address Start - Partial Display 1 (R501h)// Page 40 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0502, 0x0000},	// RAM Address End - Partail Display 1 (R502h)	// Page 40 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0503, 0x0000},	// Display Position - Partial Display 2 (R503h)	// Page 40 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0504, 0x0000},	// RAM Address Start . Partial Display 2 (R504h)// Page 41 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0505, 0x0000},	// RAM Address End . Partial Display 2 (R505h)	// Page 41 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0606, 0x0000},	// Pin Control (R606h)				// Page 41 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x06F0, 0x0000},	// NVM Access Control (R6F0h)			// Page 41 of SPFD5420A Datasheet
+	{LCD_STEP_CMD_DATA, 0x0007, 0x0173},	// Display Control 1 (R007h)			// Page 16 of SPFD5420A Datasheet
+	{LCD_STEP_SLEEP, 0, 50},
+	{LCD_STEP_CMD_DATA, 0x0007, 0x0171},	// Display Control 1 (R007h)			// Page 16 of SPFD5420A Datasheet
+	{LCD_STEP_SLEEP, 0, 10},
+	{LCD_STEP_CMD_DATA, 0x0007, 0x0173},	// Display Control 1 (R007h)			// Page 16 of SPFD5420A Datasheet
+	{LCD_STEP_DONE, 0, 0},
+};
+
+const struct ubicom32lcd_panel cfaf240400d = {
+	.desc		= "CFAF240400D",
+	.init_seq	= cfaf240400d_init,
+	.horz_reg	= 0x0200,
+	.vert_reg	= 0x0201,
+	.gram_reg	= 0x0202,
+	.xres		= 240,
+	.yres		= 400,
+	.stride		= 240,
+	.id		= 0x5420,
+};
+#endif
+
+#ifdef CONFIG_LCD_UBICOM32_CFAF240400F
+static const struct ubicom32lcd_step cfaf320240f_init[] = {
+	{LCD_STEP_CMD_DATA, 0x0028, 0x0006},	// VCOM OTP			 	Page 55-56 of SSD2119 datasheet
+	{LCD_STEP_CMD_DATA, 0x0000, 0x0001},	// start Oscillator		 	Page 36 of SSD2119 datasheet
+	{LCD_STEP_CMD_DATA, 0x0010, 0x0000},	// Sleep mode			 	Page 49 of SSD2119 datasheet
+	{LCD_STEP_CMD_DATA, 0x0001, 0x32EF},	// Driver Output Control	 	Page 36-39 of SSD2119 datasheet
+	{LCD_STEP_CMD_DATA, 0x0002, 0x0600},	// LCD Driving Waveform Control	 	Page 40-42 of SSD2119 datasheet
+	{LCD_STEP_CMD_DATA, 0x0003, 0x6A38},	// Power Control 1		 	Page 43-44 of SSD2119 datasheet
+	{LCD_STEP_CMD_DATA, 0x0011, 0x6870},	// Entry Mode			 	Page 50-52 of SSD2119 datasheet
+	{LCD_STEP_CMD_DATA, 0X000F, 0x0000},	// Gate Scan Position		 	Page 49 of SSD2119 datasheet
+	{LCD_STEP_CMD_DATA, 0X000B, 0x5308},	// Frame Cycle Control		 	Page 45 of SSD2119 datasheet
+	{LCD_STEP_CMD_DATA, 0x000C, 0x0003},	// Power Control 2		 	Page 47 of SSD2119 datasheet
+	{LCD_STEP_CMD_DATA, 0x000D, 0x000A},	// Power Control 3		 	Page 48 of SSD2119 datasheet
+	{LCD_STEP_CMD_DATA, 0x000E, 0x2E00},	// Power Control 4		 	Page 48 of SSD2119 datasheet
+	{LCD_STEP_CMD_DATA, 0x001E, 0x00BE},	// Power Control 5		 	Page 53 of SSD2119 datasheet
+	{LCD_STEP_CMD_DATA, 0x0025, 0x8000},	// Frame Frequency Control	 	Page 53 of SSD2119 datasheet
+	{LCD_STEP_CMD_DATA, 0x0026, 0x7800},	// Analog setting		 	Page 54 of SSD2119 datasheet
+	{LCD_STEP_CMD_DATA, 0x004E, 0x0000},	// Ram Address Set		 	Page 58 of SSD2119 datasheet
+	{LCD_STEP_CMD_DATA, 0x004F, 0x0000},	// Ram Address Set		 	Page 58 of SSD2119 datasheet
+	{LCD_STEP_CMD_DATA, 0x0012, 0x08D9},	// Sleep mode			 	Page 49 of SSD2119 datasheet
+
+	// Gamma Control (R30h to R3Bh) -- Page 56 of SSD2119 datasheet
+	{LCD_STEP_CMD_DATA, 0x0030, 0x0000},
+	{LCD_STEP_CMD_DATA, 0x0031, 0x0104},
+	{LCD_STEP_CMD_DATA, 0x0032, 0x0100},
+	{LCD_STEP_CMD_DATA, 0x0033, 0x0305},
+	{LCD_STEP_CMD_DATA, 0x0034, 0x0505},
+	{LCD_STEP_CMD_DATA, 0x0035, 0x0305},
+	{LCD_STEP_CMD_DATA, 0x0036, 0x0707},
+	{LCD_STEP_CMD_DATA, 0x0037, 0x0300},
+	{LCD_STEP_CMD_DATA, 0x003A, 0x1200},
+	{LCD_STEP_CMD_DATA, 0x003B, 0x0800},
+
+	{LCD_STEP_CMD_DATA, 0x0007, 0x0033},	// Display Control 			 Page 45 of SSD2119 datasheet
+
+	{LCD_STEP_CMD_DATA, 0x0044, 0xEF00},	// Vertical RAM address position	 Page 57 of SSD2119 datasheet
+	{LCD_STEP_CMD_DATA, 0x0045, 0x0000},	// Horizontal RAM address position 	 Page 57 of SSD2119 datasheet
+	{LCD_STEP_CMD_DATA, 0x0046, 0x013F},	// Horizontal RAM address position	 Page 57 of SSD2119 datasheet
+
+	{LCD_STEP_SLEEP, 0, 150},
+
+	{LCD_STEP_DONE, 0, 0},
+};
+
+const struct ubicom32lcd_panel cfaf320240f = {
+	.desc		= "CFAF320240F",
+	.init_seq	= cfaf320240f_init,
+	.horz_reg	= 0x4e,
+	.vert_reg	= 0x4f,
+	.gram_reg	= 0x22,
+	.xres		= 320,
+	.yres		= 240,
+	.stride		= 320,
+	.id		= 0x9919,
+};
+#endif
+
+const struct ubicom32lcd_panel *ubicom32lcd_panels[] = {
+#ifdef CONFIG_LCD_UBICOM32_CFAF240400KTTS_180
+	&cfaf240320ktts_180,
+#endif
+#ifdef CONFIG_LCD_UBICOM32_CFAF240400KTTS
+	&cfaf240320ktts_0,
+#endif
+#ifdef CONFIG_LCD_UBICOM32_CFAF240400D
+	&cfaf240400d,
+#endif
+#ifdef CONFIG_LCD_UBICOM32_TFT2N0369E_P
+	&tft2n0369ep,
+#endif
+#ifdef CONFIG_LCD_UBICOM32_TFT2N0369E_L
+	&tft2n0369e,
+#endif
+#ifdef CONFIG_LCD_UBICOM32_CFAF240400F
+	&cfaf320240f,
+#endif
+	NULL,
+};
+
+#endif
diff -ruN linux-2.6.30.10/drivers/video/backlight/ubicom32lcdpower.c linux-2.6.30.10-ubi/drivers/video/backlight/ubicom32lcdpower.c
--- linux-2.6.30.10/drivers/video/backlight/ubicom32lcdpower.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/video/backlight/ubicom32lcdpower.c	2009-12-11 11:45:20.000000000 +0200
@@ -0,0 +1,194 @@
+/*
+ * drivers/video/backlight/ubicom32lcdpowerpower.c
+ *	LCD power driver for the Ubicom32 platform
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/lcd.h>
+#include <linux/fb.h>
+#include <linux/gpio.h>
+
+#include <asm/ubicom32lcdpower.h>
+#include <asm/ip5000.h>
+
+#define DRIVER_NAME			"ubicom32lcdpower"
+
+struct ubicom32lcdpower_data {
+	/*
+	 * Pointer to the platform data structure.  Keep this around since we need values
+	 * from it to set the backlight intensity.
+	 */
+	const struct ubicom32lcdpower_platform_data	*pdata;
+
+	/*
+	 * LCD device, we have to save this for use when we remove ourselves.
+	 */
+	struct lcd_device			*lcddev;
+};
+
+/*
+ * ubicom32lcdpower_set_power
+ */
+static int ubicom32lcdpower_set_power(struct lcd_device *ld, int power)
+{
+	struct ubicom32lcdpower_data *ud = (struct ubicom32lcdpower_data *)lcd_get_data(ld);
+	if (power == FB_BLANK_UNBLANK) {
+		gpio_direction_output(ud->pdata->vgh_gpio, ud->pdata->vgh_polarity);
+		return 0;
+	}
+
+	gpio_direction_output(ud->pdata->vgh_gpio, !ud->pdata->vgh_polarity);
+	return 0;
+}
+
+/*
+ * ubicom32lcdpower_get_power
+ */
+static int ubicom32lcdpower_get_power(struct lcd_device *ld)
+{
+	struct ubicom32lcdpower_data *ud = (struct ubicom32lcdpower_data *)lcd_get_data(ld);
+	int vgh = gpio_get_value(ud->pdata->vgh_gpio);
+	if ((vgh && ud->pdata->vgh_polarity) || (!vgh && !ud->pdata->vgh_polarity)) {
+		return 1;
+	}
+
+	return 0;
+}
+
+static struct lcd_ops ubicom32lcdpower_ops = {
+	.get_power = ubicom32lcdpower_get_power,
+	.set_power = ubicom32lcdpower_set_power,
+};
+
+/*
+ * ubicom32lcdpower_probe
+ */
+static int ubicom32lcdpower_probe(struct platform_device *pdev)
+{
+	const struct ubicom32lcdpower_platform_data *pdata = pdev->dev.platform_data;
+	struct ubicom32lcdpower_data *ud;
+	struct lcd_device *lcddev;
+	int retval;
+
+	/*
+	 * Check to see if we have any platform data, if we don't have a LCD to control
+	 */
+	if (!pdata) {
+		return -ENODEV;
+	}
+
+	/*
+	 * Allocate our private data
+	 */
+	ud = kzalloc(sizeof(struct ubicom32lcdpower_data), GFP_KERNEL);
+	if (!ud) {
+		return -ENOMEM;
+	}
+
+	ud->pdata = pdata;
+
+	/*
+	 * Request our GPIOs
+	 */
+	retval = gpio_request(pdata->vgh_gpio, "vgh");
+	if (retval) {
+		dev_err(&pdev->dev, "Failed to allocate vgh GPIO\n");
+		goto fail_gpio;
+	}
+
+	/*
+	 * Register our lcd device
+	 */
+	lcddev = lcd_device_register(DRIVER_NAME, &pdev->dev, ud, &ubicom32lcdpower_ops);
+	if (IS_ERR(lcddev)) {
+		retval = PTR_ERR(lcddev);
+		goto fail;
+	}
+
+	ud->lcddev = lcddev;
+	platform_set_drvdata(pdev, ud);
+
+	ubicom32lcdpower_set_power(lcddev, FB_BLANK_UNBLANK);
+
+	printk(KERN_INFO DRIVER_NAME ": LCD driver started\n");
+
+	return 0;
+
+fail:
+	gpio_free(pdata->vgh_gpio);
+
+fail_gpio:
+	platform_set_drvdata(pdev, NULL);
+	kfree(ud);
+	return retval;
+}
+
+/*
+ * ubicom32lcdpower_remove
+ */
+static int __exit ubicom32lcdpower_remove(struct platform_device *pdev)
+{
+	struct ubicom32lcdpower_data *ud = platform_get_drvdata(pdev);
+
+	lcd_device_unregister(ud->lcddev);
+	platform_set_drvdata(pdev, NULL);
+	kfree(ud);
+
+	return 0;
+}
+
+static struct platform_driver ubicom32lcdpower_driver = {
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+	},
+
+	.remove = __exit_p(ubicom32lcdpower_remove),
+};
+
+/*
+ * ubicom32lcdpower_init
+ */
+static int __init ubicom32lcdpower_init(void)
+{
+	return platform_driver_probe(&ubicom32lcdpower_driver, ubicom32lcdpower_probe);
+}
+module_init(ubicom32lcdpower_init);
+
+/*
+ * ubicom32lcdpower_exit
+ */
+static void __exit ubicom32lcdpower_exit(void)
+{
+	platform_driver_unregister(&ubicom32lcdpower_driver);
+}
+module_exit(ubicom32lcdpower_exit);
+
+MODULE_AUTHOR("Patrick Tjin <@ubicom.com>");
+MODULE_DESCRIPTION("Ubicom32 lcd power driver");
+MODULE_LICENSE("GPL");
diff -ruN linux-2.6.30.10/drivers/video/Kconfig linux-2.6.30.10-ubi/drivers/video/Kconfig
--- linux-2.6.30.10/drivers/video/Kconfig	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/video/Kconfig	2009-12-11 11:45:20.000000000 +0200
@@ -609,6 +609,50 @@
 	 This display is a QVGA 320x240 24-bit RGB display interfaced by an 8-bit wide PPI
 	 It uses PPI[0..7] PPI_FS1, PPI_FS2 and PPI_CLK.
 
+config FB_UBICOM32
+	tristate "Ubicom32 Frame Buffer driver"
+	depends on FB && UBICOM32
+	select FB_CFB_FILLRECT
+	select FB_CFB_COPYAREA
+	select FB_CFB_IMAGEBLIT
+	select FONT_6x11 if FRAMEBUFFER_CONSOLE
+	help
+	 This is the framebuffer device driver for the Ubicom32 architecture.
+	 You can configure video memory by using kernel command line parameters, for example:
+		video=ubicomfb:vram_size=512,init_value=0xffff
+
+config FB_UBICOM32_PLIO80
+	tristate "Ubicom32 80 Bus PLIO Frame Buffer driver"
+	depends on FB && UBICOM32
+	select FB_CFB_FILLRECT
+	select FB_CFB_COPYAREA
+	select FB_CFB_IMAGEBLIT
+	select FONT_6x11 if FRAMEBUFFER_CONSOLE
+	select UBICOM32_PLIO
+	help
+	 This is a framebuffer device driver for the Ubicom32 architecture.
+	 You can configure the xres, yres and vram size (in kilobytes) by using
+	 kernel command line parameters, for example:
+		video=ubicom32vfb:xres=320,yres=240,vram_size=512
+
+config FB_UBICOM32_VIRTUAL
+	tristate "Ubicom32 Virtual Frame Buffer driver"
+	depends on FB && UBICOM32
+	select FB_CFB_FILLRECT
+	select FB_CFB_COPYAREA
+	select FB_CFB_IMAGEBLIT
+	select FONT_6x11 if FRAMEBUFFER_CONSOLE
+	help
+	 This is a virtual framebuffer device driver for the Ubicom32 architecture.
+	 You can configure the xres, yres and vram size (in kilobytes) by using
+	 kernel command line parameters, for example:
+		video=ubicom32vfb:xres=320,yres=240,vram_size=512
+
+config FB_UBICOM32_VIRTUAL_NOAUTO
+	bool "Do not automatically load"
+	depends on FB_UBICOM32_VIRTUAL
+	help
+	 Select this option to prevent the VFB from automatically loading at boot.
 
 config FB_STI
 	tristate "HP STI frame buffer device support"
diff -ruN linux-2.6.30.10/drivers/video/Makefile linux-2.6.30.10-ubi/drivers/video/Makefile
--- linux-2.6.30.10/drivers/video/Makefile	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/video/Makefile	2009-12-11 11:45:20.000000000 +0200
@@ -136,6 +136,10 @@
 obj-$(CONFIG_FB_BFIN_T350MCQB)	  += bfin-t350mcqb-fb.o
 obj-$(CONFIG_FB_MX3)		  += mx3fb.o
 
+obj-$(CONFIG_FB_UBICOM32)         += ubicom32fb.o
+obj-$(CONFIG_FB_UBICOM32_PLIO80)  += ubicom32plio80.o
+obj-$(CONFIG_FB_UBICOM32_VIRTUAL) += ubicom32vfb.o
+
 # the test framebuffer is last
 obj-$(CONFIG_FB_VIRTUAL)          += vfb.o
 
diff -ruN linux-2.6.30.10/drivers/video/ubicom32fb.c linux-2.6.30.10-ubi/drivers/video/ubicom32fb.c
--- linux-2.6.30.10/drivers/video/ubicom32fb.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/video/ubicom32fb.c	2009-12-11 11:45:21.000000000 +0200
@@ -0,0 +1,779 @@
+/*
+ * drivers/video/ubicom32fb.c
+ *	Ubicom32 frame buffer driver
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+/*
+ * This driver was based on skeletonfb.c, Skeleton for a frame buffer device by
+ * Geert Uytterhoeven.
+ */
+
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/version.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/fb.h>
+#include <linux/init.h>
+#include <linux/dma-mapping.h>
+#include <linux/platform_device.h>
+#include <linux/device.h>
+#include <linux/uaccess.h>
+#include <linux/interrupt.h>
+
+#include <asm/io.h>
+#include <asm/ip5000.h>
+#include <asm/vdc_tio.h>
+#include <asm/ubicom32fb.h>
+
+#define DRIVER_NAME		"ubicom32fb"
+#define DRIVER_DESCRIPTION	"Ubicom32 frame buffer driver"
+
+#define PALETTE_ENTRIES_NO	16
+
+/*
+ * Option variables
+ *
+ * vram_size:	VRAM size in kilobytes, subject to alignment
+ */
+static int vram_size = 0;
+module_param(vram_size, int, 0);
+MODULE_PARM_DESC(vram, "VRAM size, in kilobytes to allocate, should be at least the size of one screen, subject to alignment");
+static int init_value = 0;
+module_param(init_value, int, 0);
+MODULE_PARM_DESC(init, "Initial value of the framebuffer (16-bit number).");
+
+/*
+ * fb_fix_screeninfo defines the non-changeable properties of the VDC, depending on what mode it is in.
+ */
+static struct fb_fix_screeninfo ubicom32fb_fix = {
+	.id =		"Ubicom32",
+	.type =		FB_TYPE_PACKED_PIXELS,
+	.visual =	FB_VISUAL_TRUECOLOR,
+	.accel =	FB_ACCEL_UBICOM32,
+};
+
+/*
+ * Filled in at probe time when we find out what the hardware supports
+ */
+static struct fb_var_screeninfo ubicom32fb_var;
+
+/*
+ * Private data structure
+ */
+struct ubicom32fb_drvdata {
+	struct fb_info			*fbinfo;
+	bool				cmap_alloc;
+
+	/*
+	 * The address of the framebuffer in memory
+	 */
+	void				*fb;
+	void				*fb_aligned;
+
+	/*
+	 * Total size of vram including alignment allowance
+	 */
+	u32				total_vram_size;
+
+	/*
+	 * Interrupt to set when changing registers
+	 */
+	u32				vp_int;
+
+	/*
+	 * Optional: Interrupt used by TIO to signal us
+	 */
+	u32				rx_int;
+
+	/*
+	 * Base address of the regs for VDC_TIO
+	 */
+	volatile struct vdc_tio_vp_regs	*regs;
+
+	/*
+	 * non-zero if we are in yuv mode
+	 */
+	u8_t				is_yuv;
+
+	/*
+	 * Fake palette of 16 colors
+	 */
+	u32				pseudo_palette[PALETTE_ENTRIES_NO];
+
+	/*
+	 * Wait queue and lock used to block when we need to wait
+	 * for something to happen.
+	 */
+	wait_queue_head_t		waitq;
+	struct mutex			lock;
+
+};
+
+/*
+ * ubicom32fb_set_next_frame
+ *	Sets the next frame buffer to display
+ *
+ * if sync is TRUE then this function will block until the hardware
+ * acknowledges the change
+ */
+static inline void ubicom32fb_set_next_frame(struct ubicom32fb_drvdata *ud, void *fb, u8_t sync)
+{
+	ud->regs->next_frame_flags = ud->is_yuv ? VDCTIO_NEXT_FRAME_FLAG_YUV : 0;
+	ud->regs->next_frame = (void *)((u32_t)fb | 1);
+
+	/*
+	 * If we have interrupts, then we can wait on it
+	 */
+	if (ud->rx_int != -1) {
+		DEFINE_WAIT(wait);
+		unsigned long flags;
+
+		spin_lock_irqsave(&ud->lock, flags);
+		prepare_to_wait(&ud->waitq, &wait, TASK_INTERRUPTIBLE);
+		spin_unlock_irqrestore(&ud->lock, flags);
+		schedule();
+		finish_wait(&ud->waitq, &wait);
+		return;
+	}
+
+	/*
+	 * No interrupt, we will just spin here
+	 */
+	while (sync && ((u32_t)ud->regs->next_frame & 1));
+}
+
+/*
+ * ubicom32fb_send_command
+ *	Sends a command/data pair to the VDC
+ */
+static inline void ubicom32fb_send_command(struct ubicom32fb_drvdata *ud, u16 command, u8_t block)
+{
+	ud->regs->command = command;
+	ubicom32_set_interrupt(ud->vp_int);
+	while (block && ud->regs->command);
+}
+
+/*
+ * ubicom32fb_ioctl
+ *	Handles any ioctls sent to us
+ */
+static int ubicom32fb_ioctl(struct fb_info *fbi, unsigned int cmd,
+		       unsigned long arg)
+{
+	struct ubicom32fb_drvdata *ud = (struct ubicom32fb_drvdata *)fbi->par;
+	void __user *argp = (void __user *)arg;
+	int retval = -EFAULT;
+
+	switch (cmd) {
+	case UBICOM32FB_IOCTL_SET_NEXT_FRAME_SYNC:
+		// check alignment, return -EINVAL if necessary
+		ubicom32fb_set_next_frame(ud, argp, 1);
+		retval = 0;
+		break;
+
+	case UBICOM32FB_IOCTL_SET_NEXT_FRAME:
+		// check alignment, return -EINVAL if necessary
+		ubicom32fb_set_next_frame(ud, argp, 0);
+		retval = 0;
+		break;
+
+	case UBICOM32FB_IOCTL_SET_MODE:
+		if (!(ud->regs->caps & VDCTIO_CAPS_SUPPORTS_SCALING)) {
+			break;
+		} else {
+			struct ubicom32fb_mode mode;
+			volatile struct vdc_tio_vp_regs *regs = ud->regs;
+			u32_t flags = 0;
+
+			if (copy_from_user(&mode, argp, sizeof(mode))) {
+				break;
+			}
+
+			regs->x_in = mode.width;
+			regs->y_in = mode.height;
+			regs->x_out = regs->xres;
+			regs->y_out = regs->yres;
+			if (mode.flags & UBICOM32FB_IOCTL_SET_MODE_FLAG_YUV_SCAN_ORDER) {
+				flags |= VDCTIO_SCALE_FLAG_YUV_SCAN_ORDER;
+			}
+			if (mode.flags & UBICOM32FB_IOCTL_SET_MODE_FLAG_YUV_BLOCK_ORDER) {
+				flags |= VDCTIO_SCALE_FLAG_YUV_BLOCK_ORDER;
+			}
+			ud->is_yuv = mode.flags & UBICOM32FB_IOCTL_SET_MODE_FLAG_YUV;
+			if (ud->is_yuv) {
+				flags |= VDCTIO_SCALE_FLAG_YUV;
+			}
+			if (mode.flags & UBICOM32FB_IOCTL_SET_MODE_FLAG_VRANGE_16_255) {
+				flags |= VDCTIO_SCALE_FLAG_VRANGE_16_255;
+			}
+			if (mode.flags & UBICOM32FB_IOCTL_SET_MODE_FLAG_VRANGE_0_255) {
+				flags |= VDCTIO_SCALE_FLAG_VRANGE_0_255;
+			}
+			if (mode.flags & UBICOM32FB_IOCTL_SET_MODE_FLAG_VSUB) {
+				flags |= VDCTIO_SCALE_FLAG_VSUB;
+			}
+			if (mode.flags & UBICOM32FB_IOCTL_SET_MODE_FLAG_HSUB_2_1) {
+				flags |= VDCTIO_SCALE_FLAG_HSUB_2_1;
+			}
+			if (mode.flags & UBICOM32FB_IOCTL_SET_MODE_FLAG_HSUB_1_1) {
+				flags |= VDCTIO_SCALE_FLAG_HSUB_1_1;
+			}
+			if (mode.flags & UBICOM32FB_IOCTL_SET_MODE_FLAG_SCALE_ENABLE) {
+				flags |= VDCTIO_SCALE_FLAG_ENABLE;
+			}
+			if (mode.next_frame) {
+				flags |= VDCTIO_SCALE_FLAG_SET_FRAME_BUFFER;
+				regs->next_frame = mode.next_frame;
+			}
+
+			regs->scale_flags = flags;
+			ubicom32fb_send_command(ud, VDCTIO_COMMAND_SET_SCALE_MODE, 1);
+			retval = 0;
+			break;
+		}
+
+	default:
+		retval = -ENOIOCTLCMD;
+		break;
+	}
+
+	return retval;
+}
+
+/*
+ * ubicom32fb_interrupt
+ *	Called by the OS when the TIO has set the rx_int
+ */
+static irqreturn_t ubicom32fb_interrupt(int vec, void *appdata)
+{
+	struct ubicom32fb_drvdata *ud = (struct ubicom32fb_drvdata *)appdata;
+
+	spin_lock(&ud->lock);
+	if (waitqueue_active(&ud->waitq)) {
+		wake_up(&ud->waitq);
+	}
+	spin_unlock(&ud->lock);
+
+	return IRQ_HANDLED;
+}
+
+/*
+ * ubicom32fb_pan_display
+ *	Pans the display to a given location.  Supports only y direction panning.
+ */
+static int ubicom32fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *fbi)
+{
+	struct ubicom32fb_drvdata *ud = (struct ubicom32fb_drvdata *)fbi->par;
+	void *new_addr;
+
+	/*
+	 * Get the last y line that would be displayed.  Since we don't support YWRAP,
+	 * it must be less than our virtual y size.
+	 */
+	u32 lasty = var->yoffset + var->yres;
+	if (lasty > fbi->var.yres_virtual) {
+		/*
+		 * We would fall off the end of our frame buffer if we panned here.
+		 */
+		return -EINVAL;
+	}
+
+	if (var->xoffset) {
+		/*
+		 * We don't support panning in the x direction
+		 */
+		return -EINVAL;
+	}
+
+	/*
+	 * Everything looks sane, go ahead and pan
+	 *
+	 * We have to calculate a new address for the VDC to look at
+	 */
+	new_addr = ud->fb_aligned + (var->yoffset * fbi->fix.line_length);
+
+	/*
+	 * Send down the command.  The buffer will switch at the next vertical blank
+	 */
+	ubicom32fb_set_next_frame(ud, (void *)new_addr, 0);
+
+	return 0;
+}
+
+/*
+ * ubicom32fb_setcolreg
+ *	Sets a color in our virtual palette
+ */
+static int ubicom32fb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, unsigned transp, struct fb_info *fbi)
+{
+	u32 *palette = fbi->pseudo_palette;
+
+	if (regno >= PALETTE_ENTRIES_NO) {
+		return -EINVAL;
+	}
+
+	/*
+	 * We only use 8 bits from each color
+	 */
+	red >>= 8;
+	green >>= 8;
+	blue >>= 8;
+
+	/*
+	 * Convert any grayscale values
+	 */
+	if (fbi->var.grayscale) {
+		u16 gray = red + green + blue;
+		gray += (gray >> 2) + (gray >> 3) - (gray >> 7);
+		gray >>= 2;
+		if (gray > 255) {
+			gray = 255;
+		}
+		red = gray;
+		blue = gray;
+		green = gray;
+	}
+
+	palette[regno] = (red << fbi->var.red.offset) | (green << fbi->var.green.offset) |
+			 (blue << fbi->var.blue.offset);
+
+	return 0;
+}
+
+/*
+ * ubicom32fb_mmap
+ */
+static int ubicom32fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
+{
+	struct ubicom32fb_drvdata *drvdata = (struct ubicom32fb_drvdata *)info->par;
+
+	vma->vm_start = (unsigned long)(drvdata->fb_aligned);
+
+	vma->vm_end = vma->vm_start + info->fix.smem_len;
+
+	/* For those who don't understand how mmap works, go read
+	 *   Documentation/nommu-mmap.txt.
+	 * For those that do, you will know that the VM_MAYSHARE flag
+	 * must be set in the vma->vm_flags structure on noMMU
+	 *   Other flags can be set, and are documented in
+	 *   include/linux/mm.h
+	 */
+
+	vma->vm_flags |=  VM_MAYSHARE | VM_SHARED;
+
+	return 0;
+}
+
+/*
+ * ubicom32fb_blank
+ */
+static int ubicom32fb_blank(int blank_mode, struct fb_info *fbi)
+{
+	return 0;
+#if 0
+	struct ubicom32fb_drvdata *drvdata = to_ubicom32fb_drvdata(fbi);
+
+	switch (blank_mode) {
+	case FB_BLANK_UNBLANK:
+		/* turn on panel */
+		ubicom32fb_out_be32(drvdata, REG_CTRL, drvdata->reg_ctrl_default);
+		break;
+
+	case FB_BLANK_NORMAL:
+	case FB_BLANK_VSYNC_SUSPEND:
+	case FB_BLANK_HSYNC_SUSPEND:
+	case FB_BLANK_POWERDOWN:
+		/* turn off panel */
+		ubicom32fb_out_be32(drvdata, REG_CTRL, 0);
+	default:
+		break;
+
+	}
+	return 0; /* success */
+#endif
+}
+
+static struct fb_ops ubicom32fb_ops =
+{
+	.owner			= THIS_MODULE,
+	.fb_pan_display		= ubicom32fb_pan_display,
+	.fb_setcolreg		= ubicom32fb_setcolreg,
+	.fb_blank		= ubicom32fb_blank,
+	.fb_mmap		= ubicom32fb_mmap,
+	.fb_ioctl		= ubicom32fb_ioctl,
+	.fb_fillrect		= cfb_fillrect,
+	.fb_copyarea		= cfb_copyarea,
+	.fb_imageblit		= cfb_imageblit,
+};
+
+/*
+ * ubicom32fb_release
+ */
+static int ubicom32fb_release(struct device *dev)
+{
+	struct ubicom32fb_drvdata *ud = dev_get_drvdata(dev);
+
+#if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
+	//ubicom32fb_blank(VESA_POWERDOWN, &drvdata->info);
+#endif
+
+	unregister_framebuffer(ud->fbinfo);
+
+	if (ud->cmap_alloc) {
+		fb_dealloc_cmap(&ud->fbinfo->cmap);
+	}
+
+	if (ud->fb) {
+		kfree(ud->fb);
+	}
+
+	if (ud->rx_int != -1) {
+		free_irq(ud->rx_int, ud);
+	}
+
+	/*
+	 * Turn off the display
+	 */
+	//ubicom32fb_out_be32(drvdata, REG_CTRL, 0);
+	//iounmap(drvdata->regs);
+
+	framebuffer_release(ud->fbinfo);
+	dev_set_drvdata(dev, NULL);
+
+	return 0;
+}
+
+/*
+ * ubicom32fb_platform_probe
+ */
+static int __init ubicom32fb_platform_probe(struct platform_device *pdev)
+{
+	struct ubicom32fb_drvdata *ud;
+	struct resource *irq_resource_rx;
+	struct resource *irq_resource_tx;
+	struct resource *mem_resource;
+	struct fb_info *fbinfo;
+	int rc;
+	size_t fbsize;
+	struct device *dev = &pdev->dev;
+	int offset;
+	struct vdc_tio_vp_regs *regs;
+
+	/*
+	 * Get our resources
+	 */
+	irq_resource_tx = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (!irq_resource_tx) {
+		dev_err(dev, "No tx IRQ resource assigned\n");
+		return -ENODEV;
+	}
+
+	irq_resource_rx = platform_get_resource(pdev, IORESOURCE_IRQ, 1);
+	if (!irq_resource_rx) {
+		dev_err(dev, "No rx IRQ resource assigned\n");
+		return -ENODEV;
+	}
+
+	mem_resource = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!mem_resource || !mem_resource->start) {
+		dev_err(dev, "No mem resource assigned\n");
+		return -ENODEV;
+	}
+	regs = (struct vdc_tio_vp_regs *)mem_resource->start;
+	if (regs->version != VDCTIO_VP_VERSION) {
+		dev_err(dev, "VDCTIO is not compatible with this driver tio:%x drv:%x\n",
+			regs->version, VDCTIO_VP_VERSION);
+		return -ENODEV;
+	}
+
+	/*
+	 * This is the minimum VRAM size
+	 */
+	fbsize = regs->xres * regs->yres * (regs->bpp / 8);
+	if (!vram_size) {
+		vram_size = (fbsize + 1023) / 1024;
+	} else {
+		if (fbsize > (vram_size * 1024)) {
+			dev_err(dev, "Not enough VRAM for display, need >= %u bytes\n", fbsize);
+			return -ENOMEM; // should be ebadparam?
+		}
+	}
+
+	/*
+	 * Allocate the framebuffer instance + our private data
+	 */
+	fbinfo = framebuffer_alloc(sizeof(struct ubicom32fb_drvdata), &pdev->dev);
+	if (!fbinfo) {
+		dev_err(dev, "Not enough memory to allocate instance.\n");
+		return -ENOMEM;
+	}
+
+	/*
+	 * Fill in our private data.
+	 */
+	ud = (struct ubicom32fb_drvdata *)fbinfo->par;
+	ud->fbinfo = fbinfo;
+	ud->regs = (struct vdc_tio_vp_regs *)(mem_resource->start);
+	dev_set_drvdata(dev, ud);
+
+	ud->vp_int = irq_resource_tx->start;
+
+	/*
+	 * If we were provided an rx_irq then we need to init the appropriate
+	 * queues, locks, and functions.
+	 */
+	ud->rx_int = -1;
+	if (irq_resource_rx->start != DEVTREE_IRQ_NONE) {
+		init_waitqueue_head(&ud->waitq);
+		mutex_init(&ud->lock);
+		if (request_irq(ud->rx_int, ubicom32fb_interrupt, IRQF_SHARED, "ubicom32fb_rx", ud)) {
+			dev_err(dev, "Couldn't request rx IRQ\n");
+			rc = -ENOMEM;
+			goto fail;
+		}
+		ud->rx_int = irq_resource_rx->start;
+	}
+
+	/*
+	 * Allocate and align the requested amount of VRAM
+	 */
+	ud->total_vram_size = (vram_size * 1024) + regs->fb_align;
+	ud->fb = kmalloc(ud->total_vram_size, GFP_KERNEL);
+	if (ud->fb == NULL) {
+		dev_err(dev, "Couldn't allocate VRAM\n");
+		rc = -ENOMEM;
+		goto fail;
+	}
+
+	offset = (u32_t)ud->fb & (regs->fb_align - 1);
+	if (!offset) {
+		ud->fb_aligned = ud->fb;
+	} else {
+		offset = regs->fb_align - offset;
+		ud->fb_aligned = ud->fb + offset;
+	}
+
+	/*
+	 * Clear the entire frame buffer
+	 */
+	if (!init_value) {
+		memset(ud->fb_aligned, 0, vram_size * 1024);
+	} else {
+		unsigned short *p = ud->fb_aligned;
+		int i;
+		for (i = 0; i < ((vram_size * 1024) / sizeof(u16_t)); i++) {
+			*p++ = init_value;
+		}
+	}
+
+	/*
+	 * Fill in the fb_var_screeninfo structure
+	 */
+	memset(&ubicom32fb_var, 0, sizeof(ubicom32fb_var));
+	ubicom32fb_var.bits_per_pixel = regs->bpp;
+	ubicom32fb_var.red.offset = regs->rshift;
+	ubicom32fb_var.green.offset = regs->gshift;
+	ubicom32fb_var.blue.offset = regs->bshift;
+	ubicom32fb_var.red.length = regs->rbits;
+	ubicom32fb_var.green.length = regs->gbits;
+	ubicom32fb_var.blue.length = regs->bbits;
+	ubicom32fb_var.activate = FB_ACTIVATE_NOW;
+
+#if 0
+	/*
+	 * Turn on the display
+	 */
+	ud->reg_ctrl_default = REG_CTRL_ENABLE;
+	if (regs->rotate_screen)
+		ud->reg_ctrl_default |= REG_CTRL_ROTATE;
+	ubicom32fb_out_be32(ud, REG_CTRL, ud->reg_ctrl_default);
+#endif
+
+	/*
+	 * Fill in the fb_info structure
+	 */
+	ud->fbinfo->device = dev;
+	ud->fbinfo->screen_base = (void *)ud->fb_aligned;
+	ud->fbinfo->fbops = &ubicom32fb_ops;
+	ud->fbinfo->fix = ubicom32fb_fix;
+	ud->fbinfo->fix.smem_start = (u32)ud->fb_aligned;
+	ud->fbinfo->fix.smem_len = vram_size * 1024;
+	ud->fbinfo->fix.line_length = regs->xres * (regs->bpp / 8);
+	ud->fbinfo->fix.mmio_start = (u32)regs;
+	ud->fbinfo->fix.mmio_len = sizeof(struct vdc_tio_vp_regs);
+
+	/*
+	 * We support panning in the y direction only
+	 */
+	ud->fbinfo->fix.xpanstep = 0;
+	ud->fbinfo->fix.ypanstep = 1;
+
+	ud->fbinfo->pseudo_palette = ud->pseudo_palette;
+	ud->fbinfo->flags = FBINFO_DEFAULT;
+	ud->fbinfo->var = ubicom32fb_var;
+	ud->fbinfo->var.xres = regs->xres;
+	ud->fbinfo->var.yres = regs->yres;
+
+	/*
+	 * We cannot pan in the X direction, so xres_virtual is regs->xres
+	 * We can pan in the Y direction, so yres_virtual is vram_size / ud->fbinfo->fix.line_length
+	 */
+	ud->fbinfo->var.xres_virtual = regs->xres;
+	ud->fbinfo->var.yres_virtual = (vram_size * 1024) / ud->fbinfo->fix.line_length;
+
+	//ud->fbinfo->var.height = regs->height_mm;
+	//ud->fbinfo->var.width = regs->width_mm;
+
+	/*
+	 * Allocate a color map
+	 */
+	rc = fb_alloc_cmap(&ud->fbinfo->cmap, PALETTE_ENTRIES_NO, 0);
+	if (rc) {
+		dev_err(dev, "Fail to allocate colormap (%d entries)\n",
+			PALETTE_ENTRIES_NO);
+		goto fail;
+	}
+	ud->cmap_alloc = true;
+
+	/*
+	 * Register new frame buffer
+	 */
+	rc = register_framebuffer(ud->fbinfo);
+	if (rc) {
+		dev_err(dev, "Could not register frame buffer\n");
+		goto fail;
+	}
+
+	/*
+	 * Start up the VDC
+	 */
+	ud->regs->next_frame = ud->fb;
+	ubicom32fb_send_command(ud, VDCTIO_COMMAND_START, 0);
+
+	/*
+	 * Tell the log we are here
+	 */
+	dev_info(dev, "fbaddr=%p align=%p, size=%uKB screen(%ux%u) virt(%ux%u), regs=%p irqtx=%u irqrx=%u\n",
+		ud->fb, ud->fb_aligned, vram_size, ud->fbinfo->var.xres, ud->fbinfo->var.yres,
+		ud->fbinfo->var.xres_virtual, ud->fbinfo->var.yres_virtual, ud->regs,
+		irq_resource_tx->start, irq_resource_rx->start);
+
+	/*
+	 * Success
+	 */
+	return 0;
+
+fail:
+	ubicom32fb_release(dev);
+	return rc;
+}
+
+/*
+ * ubicom32fb_platform_remove
+ */
+static int ubicom32fb_platform_remove(struct platform_device *pdev)
+{
+	dev_info(&(pdev->dev), "Ubicom32 FB Driver Remove\n");
+	return ubicom32fb_release(&pdev->dev);
+}
+
+static struct platform_driver ubicom32fb_platform_driver = {
+	.probe		= ubicom32fb_platform_probe,
+	.remove		= ubicom32fb_platform_remove,
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+	},
+};
+
+#ifndef MODULE
+/*
+ * ubicom32fb_setup
+ *	Process kernel boot options
+ */
+static int __init ubicom32fb_setup(char *options)
+{
+	char *this_opt;
+
+	if (!options || !*options) {
+		return 0;
+	}
+
+	while ((this_opt = strsep(&options, ",")) != NULL) {
+		if (!*this_opt) {
+			continue;
+		}
+
+		if (!strncmp(this_opt, "init_value=", 10)) {
+			init_value = simple_strtoul(this_opt + 11, NULL, 0);
+			continue;
+		}
+
+		if (!strncmp(this_opt, "vram_size=", 10)) {
+			vram_size = simple_strtoul(this_opt + 10, NULL, 0);
+			continue;
+		}
+	}
+	return 0;
+}
+#endif /* MODULE */
+
+/*
+ * ubicom32fb_init
+ */
+static int __devinit ubicom32fb_init(void)
+{
+#ifndef MODULE
+	/*
+	 * Get kernel boot options (in 'video=ubicom32fb:<options>')
+	 */
+	char *option = NULL;
+
+	if (fb_get_options(DRIVER_NAME, &option)) {
+		return -ENODEV;
+	}
+	ubicom32fb_setup(option);
+#endif /* MODULE */
+
+	return platform_driver_register(&ubicom32fb_platform_driver);
+}
+module_init(ubicom32fb_init);
+
+/*
+ * ubicom32fb_exit
+ */
+static void __exit ubicom32fb_exit(void)
+{
+	platform_driver_unregister(&ubicom32fb_platform_driver);
+}
+module_exit(ubicom32fb_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Patrick Tjin <@ubicom.com>");
+MODULE_DESCRIPTION(DRIVER_DESCRIPTION);
diff -ruN linux-2.6.30.10/drivers/video/ubicom32plio80.c linux-2.6.30.10-ubi/drivers/video/ubicom32plio80.c
--- linux-2.6.30.10/drivers/video/ubicom32plio80.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/video/ubicom32plio80.c	2009-12-11 11:45:21.000000000 +0200
@@ -0,0 +1,780 @@
+/*
+ * drivers/video/ubicom32plio80.c
+ *	Ubicom32 80 bus PLIO buffer driver
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * This driver was based on skeletonfb.c, Skeleton for a frame buffer device by
+ * Geert Uytterhoeven.
+ */
+
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/version.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/fb.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/dma-mapping.h>
+#include <linux/platform_device.h>
+#include <linux/device.h>
+#include <linux/uaccess.h>
+#include <asm/plio.h>
+
+#define DRIVER_NAME		"ubicom32plio80"
+#define DRIVER_DESCRIPTION	"Ubicom32 80 bus PLIO frame buffer driver"
+
+#define PALETTE_ENTRIES_NO	16
+
+/*
+ * Option variables
+ *
+ * vram_size:	VRAM size in kilobytes, subject to alignment
+ */
+static int vram_size = 0;
+module_param(vram_size, int, 0);
+MODULE_PARM_DESC(vram_size, "VRAM size, in kilobytes to allocate, should be at least the size of one screen, subject to alignment");
+
+static int xres = 240;
+module_param(xres, int, 0);
+MODULE_PARM_DESC(xres, "x (horizontal) resolution");
+
+static int yres = 320;
+module_param(yres, int, 0);
+MODULE_PARM_DESC(yres, "y (vertical) resolution");
+
+static int bgr = 0;
+module_param(bgr, int, 0);
+MODULE_PARM_DESC(bgr, "display is BGR (Blue is MSB)");
+
+#define BITS_PER_PIXEL	16
+
+/*
+ * Buffer alignment, must not be 0
+ */
+#define UBICOM32PLIO80_ALIGNMENT 4
+
+/*
+ * PLIO FSM
+ *	16-bit data bus on port I
+ *	CS on EXTCTL[6]
+ *	WR on EXTCTL[4]
+ */
+static const plio_fctl_t plio_fctl = {
+	.fctl0 = {
+		.ptif_port_mode = PLIO_PORT_MODE_DI,
+		.ptif_portd_cfg = 0,
+		.ptif_porti_cfg = 3,
+		.edif_ds = 6,
+		.edif_cmp_mode = 1,
+		.ecif_extclk_ena = 0, // enable clock output on PD7 table 2.65/p111 says extctl[0]?
+		.icif_clk_src_sel = PLIO_CLK_IO,
+	},
+	.fctl2 = {
+		.icif_eclk_div = 10,
+		.icif_iclk_div = 10,
+	},
+
+	};
+
+	static const plio_config_t plio_config = {
+	.pfsm = {
+		/*
+		 * Table 12.63
+		 */
+		.grpsel[0] = {1,1,1,1,1,1,1,1,1,1},
+
+		/*
+		* Table 12.66 Counter load value
+		*/
+		.cs_lut[0] = {0,0,0,0,0,0,0,0},
+
+		/*
+		 * Table 2.75 PLIO PFSM Configuration Registers
+		 */
+		//                      3     2     1     0
+		.extctl_o_lut[0] = {0x3f, 0x2f, 0x3f, 0x3f},
+		//                      7     6     5     4
+		.extctl_o_lut[1] = {0x3f, 0x3f, 0x3f, 0x2f},
+	},
+	.edif = {
+		.odr_oe = 0xffff,
+	},
+	.ecif = {
+		.output_ena = (1 << 6) | (1 << 4),
+	},
+};
+
+static const u32_t ubicom32plio80_plio_fsm[] = {
+	// 0-F
+	0x00070007, 0x00070007,
+	0x00070007, 0x00070007,
+	0x00070007, 0x00070007,
+	0x00070007, 0x00070007,
+
+	0x16260806, 0x16260806,
+	0x16260806, 0x16260806,
+	0x16260806, 0x16260806,
+	0x16260806, 0x16260806,
+
+	// 10 - 1f
+	0x22061806, 0x22061806,
+	0x22061806, 0x22061806,
+	0x22061806, 0x22061806,
+	0x22061806, 0x22061806,
+
+	0x22061806, 0x22061806,
+	0x22061806, 0x22061806,
+	0x22061806, 0x22061806,
+	0x22061806, 0x22061806,
+
+	// 20 - 2f
+	0x00070806, 0x00070806,
+	0x00070806, 0x00070806,
+	0x00070806, 0x00070806,
+	0x00070806, 0x00070806,
+
+	0x00070806, 0x00070806,
+	0x00070806, 0x00070806,
+	0x00070806, 0x00070806,
+	0x00070806, 0x00070806,
+};
+
+/*
+ * fb_fix_screeninfo defines the non-changeable properties of the VDC, depending on what mode it is in.
+ */
+static struct fb_fix_screeninfo ubicom32plio80_fix = {
+	.id =		"Ubicom32",
+	.type =		FB_TYPE_PACKED_PIXELS,
+	.visual =	FB_VISUAL_TRUECOLOR,
+	.accel =	FB_ACCEL_UBICOM32_PLIO80,
+};
+
+/*
+ * Filled in at probe time when we find out what the hardware supports
+ */
+static struct fb_var_screeninfo ubicom32plio80_var;
+
+/*
+ * Private data structure
+ */
+struct ubicom32plio80_drvdata {
+	struct fb_info			*fbinfo;
+	bool				cmap_alloc;
+
+	/*
+	 * The address of the framebuffer in memory
+	 */
+	void				*fb;
+	void				*fb_aligned;
+
+	/*
+	 * Total size of vram including alignment allowance
+	 */
+	u32				total_vram_size;
+
+	/*
+	 * Fake palette of 16 colors
+	 */
+	u32				pseudo_palette[PALETTE_ENTRIES_NO];
+
+	int				irq_req;
+
+	/*
+	 * Current pointer and bytes left to transfer with the PLIO
+	 */
+	void				*xfer_ptr;
+	u32				bytes_to_xfer;
+	u32				busy;
+};
+
+static struct platform_device *ubicom32plio80_platform_device;
+
+/*
+ * ubicom32plio80_isr
+ */
+static int ubicom32plio80_isr(int irq, void *appdata)
+{
+	struct ubicom32plio80_drvdata *ud = (struct ubicom32plio80_drvdata *)appdata;
+
+	if (!ud->bytes_to_xfer) {
+		ubicom32_disable_interrupt(TX_FIFO_INT(PLIO_PORT));
+		PLIO_NBR->intmask.txfifo_wm = 0;
+		ud->busy = 0;
+		return IRQ_HANDLED;
+	}
+
+	asm volatile (
+		".rept 8				\n\t"
+		"move.4	(%[fifo]), (%[data])4++		\n\t"
+		".endr					\n\t"
+		: [data] "+a" (ud->xfer_ptr)
+		: [fifo] "a" (&PLIO_NBR->tx_lo)
+	);
+
+	ud->bytes_to_xfer -= 32;
+
+	return IRQ_HANDLED;
+}
+
+/*
+ * ubicom32plio80_update
+ */
+static void ubicom32plio80_update(struct ubicom32plio80_drvdata *ud, u32 *fb)
+{
+	struct ubicom32_io_port *ri = (struct ubicom32_io_port *)RI;
+	struct ubicom32_io_port *rd = (struct ubicom32_io_port *)RD;
+
+	ud->xfer_ptr = fb;
+	ud->bytes_to_xfer = (xres * yres * 2) - 64;
+	ud->busy = 1;
+
+	ri->gpio_mask = 0;
+	rd->gpio_mask &= ~((1 << 4) | (1 << 2));
+
+	*(u32 *)(&PLIO_NBR->intclr) = ~0;
+	PLIO_NBR->intmask.txfifo_wm = 1;
+	PLIO_NBR->fifo_wm.tx = 8;
+	ubicom32_enable_interrupt(TX_FIFO_INT(PLIO_PORT));
+
+	asm volatile (
+		".rept 16				\n\t"
+		"move.4	(%[fifo]), (%[data])4++		\n\t"
+		".endr					\n\t"
+		: [data] "+a" (ud->xfer_ptr)
+		: [fifo] "a" (&PLIO_NBR->tx_lo)
+	);
+}
+
+/*
+ * ubicom32plio80_pan_display
+ *	Pans the display to a given location.  Supports only y direction panning.
+ */
+static int ubicom32plio80_pan_display(struct fb_var_screeninfo *var, struct fb_info *fbi)
+{
+	struct ubicom32plio80_drvdata *ud = (struct ubicom32plio80_drvdata *)fbi->par;
+	void *new_addr;
+
+	/*
+	 * Get the last y line that would be displayed.  Since we don't support YWRAP,
+	 * it must be less than our virtual y size.
+	 */
+	u32 lasty = var->yoffset + var->yres;
+	if (lasty > fbi->var.yres_virtual) {
+		/*
+		 * We would fall off the end of our frame buffer if we panned here.
+		 */
+		return -EINVAL;
+	}
+
+	if (var->xoffset) {
+		/*
+		 * We don't support panning in the x direction
+		 */
+		return -EINVAL;
+	}
+
+	/*
+	 * Everything looks sane, go ahead and pan
+	 *
+	 * We have to calculate a new address for the VDC to look at
+	 */
+	new_addr = ud->fb_aligned + (var->yoffset * fbi->fix.line_length);
+
+	return 0;
+}
+
+/*
+ * ubicom32plio80_setcolreg
+ *	Sets a color in our virtual palette
+ */
+static int ubicom32plio80_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, unsigned transp, struct fb_info *fbi)
+{
+	u32 *palette = fbi->pseudo_palette;
+
+	if (regno >= PALETTE_ENTRIES_NO) {
+		return -EINVAL;
+	}
+
+	/*
+	 * We only use 8 bits from each color
+	 */
+	red >>= 8;
+	green >>= 8;
+	blue >>= 8;
+
+	/*
+	 * Convert any grayscale values
+	 */
+	if (fbi->var.grayscale) {
+		u16 gray = red + green + blue;
+		gray += (gray >> 2) + (gray >> 3) - (gray >> 7);
+		gray >>= 2;
+		if (gray > 255) {
+			gray = 255;
+		}
+		red = gray;
+		blue = gray;
+		green = gray;
+	}
+
+	palette[regno] = (red << fbi->var.red.offset) | (green << fbi->var.green.offset) |
+			 (blue << fbi->var.blue.offset);
+
+	return 0;
+}
+
+/*
+ * ubicom32plio80_mmap
+ */
+static int ubicom32plio80_mmap(struct fb_info *info, struct vm_area_struct *vma)
+{
+	struct ubicom32plio80_drvdata *ud = (struct ubicom32plio80_drvdata *)info->par;
+
+	vma->vm_start = (unsigned long)(ud->fb_aligned);
+
+	vma->vm_end = vma->vm_start + info->fix.smem_len;
+
+	/* For those who don't understand how mmap works, go read
+	 *   Documentation/nommu-mmap.txt.
+	 * For those that do, you will know that the VM_MAYSHARE flag
+	 * must be set in the vma->vm_flags structure on noMMU
+	 *   Other flags can be set, and are documented in
+	 *   include/linux/mm.h
+	 */
+
+	vma->vm_flags |=  VM_MAYSHARE | VM_SHARED;
+
+	return 0;
+}
+
+/*
+ * ubicom32plio80_check_var
+ *	Check the var, tweak it but don't change operational parameters.
+ */
+static int ubicom32plio80_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
+{
+	struct ubicom32plio80_drvdata *ud = (struct ubicom32plio80_drvdata *)info->par;
+	u32 line_size = var->xres * (BITS_PER_PIXEL / 8);
+
+	/*
+	 * See if we can handle this bpp
+	 */
+	if (var->bits_per_pixel > BITS_PER_PIXEL) {
+		return -EINVAL;
+	}
+	var->bits_per_pixel = BITS_PER_PIXEL;
+
+	/*
+	 * See if we have enough memory to handle this resolution
+	 */
+	if ((line_size * var->yres * BITS_PER_PIXEL / 8) > ud->total_vram_size) {
+		return -EINVAL;
+	}
+
+	var->xres_virtual = var->xres;
+	var->yres_virtual = ud->total_vram_size / line_size;
+
+	var->red.length = 5;
+	var->green.length = 6;
+	var->green.offset = 5;
+	var->blue.length = 5;
+	var->transp.offset = var->transp.length = 0;
+
+	if (bgr) {
+		var->red.offset = 0;
+		var->blue.offset = 11;
+	} else {
+		var->red.offset = 11;
+		var->blue.offset = 0;
+	}
+
+	var->nonstd = 0;
+	var->height = -1;
+	var->width = -1;
+	var->vmode = FB_VMODE_NONINTERLACED;
+	var->sync = 0;
+
+	return 0;
+}
+
+/*
+ * ubicom32plio80_set_par
+ *	Set the video mode according to info->var
+ */
+static int ubicom32plio80_set_par(struct fb_info *info)
+{
+	/*
+	 * Anything changed?
+	 */
+	if ((xres == info->var.xres) && (yres == info->var.yres)) {
+		return 0;
+	}
+
+	/*
+	 * Implement changes
+	 */
+	xres = info->var.xres;
+	yres = info->var.yres;
+	info->fix.visual = FB_VISUAL_TRUECOLOR;
+	info->fix.xpanstep = 0;
+	info->fix.ypanstep = 1;
+	info->fix.line_length = xres * (BITS_PER_PIXEL / 8);
+
+	return 0;
+}
+
+/*
+ * ubicom32plio80_ops
+ *	List of supported operations
+ */
+static struct fb_ops ubicom32plio80_ops =
+{
+	.owner			= THIS_MODULE,
+	.fb_pan_display		= ubicom32plio80_pan_display,
+	.fb_setcolreg		= ubicom32plio80_setcolreg,
+	.fb_mmap		= ubicom32plio80_mmap,
+	.fb_check_var		= ubicom32plio80_check_var,
+	.fb_set_par		= ubicom32plio80_set_par,
+	.fb_fillrect		= cfb_fillrect,
+	.fb_copyarea		= cfb_copyarea,
+	.fb_imageblit		= cfb_imageblit,
+};
+
+/*
+ * ubicom32plio80_release
+ */
+static int ubicom32plio80_release(struct device *dev)
+{
+	struct ubicom32plio80_drvdata *ud = dev_get_drvdata(dev);
+
+	unregister_framebuffer(ud->fbinfo);
+
+	if (ud->irq_req) {
+		free_irq(TX_FIFO_INT(PLIO_PORT), ud);
+	}
+	if (ud->cmap_alloc) {
+		fb_dealloc_cmap(&ud->fbinfo->cmap);
+	}
+
+	if (ud->fb) {
+		kfree(ud->fb);
+	}
+
+	framebuffer_release(ud->fbinfo);
+	dev_set_drvdata(dev, NULL);
+
+	return 0;
+}
+
+/*
+ * ubicom32plio80_platform_probe
+ */
+static int __init ubicom32plio80_platform_probe(struct platform_device *pdev)
+{
+	struct ubicom32plio80_drvdata *ud;
+	struct fb_info *fbinfo;
+	int rc;
+	size_t fbsize;
+	struct device *dev = &pdev->dev;
+	int offset;
+
+	/*
+	 * This is the minimum VRAM size
+	 */
+	fbsize = xres * yres * 2;
+	if (!vram_size) {
+		vram_size = (fbsize + 1023) / 1024;
+	} else {
+		if (fbsize > (vram_size * 1024)) {
+			dev_err(dev, "Not enough VRAM for display, need >= %u bytes\n", fbsize);
+			return -ENOMEM; // should be ebadparam?
+		}
+	}
+
+	/*
+	 * Allocate the framebuffer instance + our private data
+	 */
+	fbinfo = framebuffer_alloc(sizeof(struct ubicom32plio80_drvdata), &pdev->dev);
+	if (!fbinfo) {
+		dev_err(dev, "Not enough memory to allocate instance.\n");
+		return -ENOMEM;
+	}
+
+	/*
+	 * Fill in our private data.
+	 */
+	ud = (struct ubicom32plio80_drvdata *)fbinfo->par;
+	ud->fbinfo = fbinfo;
+	dev_set_drvdata(dev, ud);
+
+	/*
+	 * Allocate and align the requested amount of VRAM
+	 */
+	ud->total_vram_size = (vram_size * 1024) + UBICOM32PLIO80_ALIGNMENT;
+	ud->fb = kmalloc(ud->total_vram_size, GFP_KERNEL);
+	if (ud->fb == NULL) {
+		dev_err(dev, "Couldn't allocate VRAM\n");
+		rc = -ENOMEM;
+		goto fail;
+	}
+
+	offset = (u32_t)ud->fb & (UBICOM32PLIO80_ALIGNMENT - 1);
+	if (!offset) {
+		ud->fb_aligned = ud->fb;
+	} else {
+		offset =  UBICOM32PLIO80_ALIGNMENT - offset;
+		ud->fb_aligned = ud->fb + offset;
+	}
+
+	/*
+	 * Clear the entire frame buffer
+	 */
+	memset(ud->fb_aligned, 0, vram_size * 1024);
+
+	/*
+	 * Fill in the fb_var_screeninfo structure
+	 */
+	memset(&ubicom32plio80_var, 0, sizeof(ubicom32plio80_var));
+	ubicom32plio80_var.bits_per_pixel = BITS_PER_PIXEL;
+	ubicom32plio80_var.red.length = 5;
+	ubicom32plio80_var.green.length = 6;
+	ubicom32plio80_var.green.offset = 5;
+	ubicom32plio80_var.blue.length = 5;
+	ubicom32plio80_var.activate = FB_ACTIVATE_NOW;
+
+	if (bgr) {
+		ubicom32plio80_var.red.offset = 0;
+		ubicom32plio80_var.blue.offset = 11;
+	} else {
+		ubicom32plio80_var.red.offset = 11;
+		ubicom32plio80_var.blue.offset = 0;
+	}
+
+	/*
+	 * Fill in the fb_info structure
+	 */
+	ud->fbinfo->device = dev;
+	ud->fbinfo->screen_base = (void *)ud->fb_aligned;
+	ud->fbinfo->fbops = &ubicom32plio80_ops;
+	ud->fbinfo->fix = ubicom32plio80_fix;
+	ud->fbinfo->fix.smem_start = (u32)ud->fb_aligned;
+	ud->fbinfo->fix.smem_len = vram_size * 1024;
+	ud->fbinfo->fix.line_length = xres * 2;
+	ud->fbinfo->fix.mmio_start = (u32)ud;
+	ud->fbinfo->fix.mmio_len = sizeof(struct ubicom32plio80_drvdata);
+
+	/*
+	 * We support panning in the y direction only
+	 */
+	ud->fbinfo->fix.xpanstep = 0;
+	ud->fbinfo->fix.ypanstep = 1;
+
+	ud->fbinfo->pseudo_palette = ud->pseudo_palette;
+	ud->fbinfo->flags = FBINFO_DEFAULT;
+	ud->fbinfo->var = ubicom32plio80_var;
+	ud->fbinfo->var.xres = xres;
+	ud->fbinfo->var.yres = yres;
+
+	/*
+	 * We cannot pan in the X direction, so xres_virtual is xres
+	 * We can pan in the Y direction, so yres_virtual is vram_size / ud->fbinfo->fix.line_length
+	 */
+	ud->fbinfo->var.xres_virtual = xres;
+	ud->fbinfo->var.yres_virtual = (vram_size * 1024) / ud->fbinfo->fix.line_length;
+
+	/*
+	 * Allocate a color map
+	 */
+	rc = fb_alloc_cmap(&ud->fbinfo->cmap, PALETTE_ENTRIES_NO, 0);
+	if (rc) {
+		dev_err(dev, "Fail to allocate colormap (%d entries)\n",
+			PALETTE_ENTRIES_NO);
+		goto fail;
+	}
+	ud->cmap_alloc = true;
+
+	/*
+	 * Register new frame buffer
+	 */
+	rc = register_framebuffer(ud->fbinfo);
+	if (rc) {
+		dev_err(dev, "Could not register frame buffer\n");
+		goto fail;
+	}
+
+	/*
+	 * request the PLIO IRQ
+	 */
+	rc = request_irq(TX_FIFO_INT(PLIO_PORT), ubicom32plio80_isr, IRQF_DISABLED, "ubicom32plio80", ud);
+	if (rc) {
+		dev_err(dev, "Could not request IRQ\n");
+		goto fail;
+	}
+	ud->irq_req = 1;
+
+	/*
+	 * Clear any garbage out of the TX FIFOs (idif_txfifo_flush)
+	 *
+	 * cast through ubicom32_io_port to make sure the compiler does a word write
+	 */
+	((struct ubicom32_io_port *)PLIO_NBR)->int_set = (1 << 18);
+
+	/*
+	 * Start up the state machine
+	 */
+	plio_init(&plio_fctl, &plio_config, (plio_sram_t *)ubicom32plio80_plio_fsm, sizeof(ubicom32plio80_plio_fsm));
+	PLIO_NBR->fctl0.pfsm_cmd = 0;
+
+	ubicom32plio80_update(ud, ud->fb_aligned);
+
+	/*
+	 * Tell the log we are here
+	 */
+	dev_info(dev, "fbaddr=%p align=%p, size=%uKB screen(%ux%u) virt(%ux%u)\n",
+		ud->fb, ud->fb_aligned, vram_size, ud->fbinfo->var.xres, ud->fbinfo->var.yres,
+		ud->fbinfo->var.xres_virtual, ud->fbinfo->var.yres_virtual);
+
+	/*
+	 * Success
+	 */
+	return 0;
+
+fail:
+	ubicom32plio80_release(dev);
+	return rc;
+}
+
+/*
+ * ubicom32plio80_platform_remove
+ */
+static int ubicom32plio80_platform_remove(struct platform_device *pdev)
+{
+	dev_info(&(pdev->dev), "Ubicom32 FB Driver Remove\n");
+	return ubicom32plio80_release(&pdev->dev);
+}
+
+static struct platform_driver ubicom32plio80_platform_driver = {
+	.probe		= ubicom32plio80_platform_probe,
+	.remove		= ubicom32plio80_platform_remove,
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+	},
+};
+
+#ifndef MODULE
+/*
+ * ubicom32plio80_setup
+ *	Process kernel boot options
+ */
+static int __init ubicom32plio80_setup(char *options)
+{
+	char *this_opt;
+
+	if (!options || !*options) {
+		return 0;
+	}
+
+	while ((this_opt = strsep(&options, ",")) != NULL) {
+		if (!*this_opt) {
+			continue;
+		}
+
+		if (!strncmp(this_opt, "vram_size=", 10)) {
+			vram_size = simple_strtoul(this_opt + 10, NULL, 0);
+			continue;
+		}
+
+		if (!strncmp(this_opt, "bgr=", 4)) {
+			bgr = simple_strtoul(this_opt + 4, NULL, 0);
+			continue;
+		}
+
+		if (!strncmp(this_opt, "xres=", 5)) {
+			xres = simple_strtoul(this_opt + 5, NULL, 0);
+			continue;
+		}
+
+		if (!strncmp(this_opt, "yres=", 5)) {
+			yres = simple_strtoul(this_opt + 5, NULL, 0);
+			continue;
+		}
+	}
+	return 0;
+}
+#endif /* MODULE */
+
+/*
+ * ubicom32plio80_init
+ */
+static int __devinit ubicom32plio80_init(void)
+{
+	int ret;
+
+#ifndef MODULE
+	/*
+	 * Get kernel boot options (in 'video=ubicom32plio80:<options>')
+	 */
+	char *option = NULL;
+
+	if (fb_get_options(DRIVER_NAME, &option)) {
+		return -ENODEV;
+	}
+	ubicom32plio80_setup(option);
+#endif /* MODULE */
+
+	ret = platform_driver_register(&ubicom32plio80_platform_driver);
+
+	if (!ret) {
+		ubicom32plio80_platform_device = platform_device_alloc(DRIVER_NAME, 0);
+
+		if (ubicom32plio80_platform_device)
+			ret = platform_device_add(ubicom32plio80_platform_device);
+		else
+			ret = -ENOMEM;
+
+		if (ret) {
+			platform_device_put(ubicom32plio80_platform_device);
+			platform_driver_unregister(&ubicom32plio80_platform_driver);
+		}
+	}
+
+	return ret;
+}
+module_init(ubicom32plio80_init);
+
+/*
+ * ubicom32plio80_exit
+ */
+static void __exit ubicom32plio80_exit(void)
+{
+	platform_device_unregister(ubicom32plio80_platform_device);
+	platform_driver_unregister(&ubicom32plio80_platform_driver);
+}
+module_exit(ubicom32plio80_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Patrick Tjin <@ubicom.com>");
+MODULE_DESCRIPTION(DRIVER_DESCRIPTION);
diff -ruN linux-2.6.30.10/drivers/video/ubicom32vfb.c linux-2.6.30.10-ubi/drivers/video/ubicom32vfb.c
--- linux-2.6.30.10/drivers/video/ubicom32vfb.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/video/ubicom32vfb.c	2009-12-11 11:45:21.000000000 +0200
@@ -0,0 +1,603 @@
+/*
+ * drivers/video/ubicom32vfb.c
+ *	Ubicom32 virtual frame buffer driver
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * This driver was based on skeletonfb.c, Skeleton for a frame buffer device by
+ * Geert Uytterhoeven.
+ */
+
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/version.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/fb.h>
+#include <linux/init.h>
+#include <linux/dma-mapping.h>
+#include <linux/platform_device.h>
+#include <linux/device.h>
+#include <linux/uaccess.h>
+
+#define DRIVER_NAME		"ubicom32vfb"
+#define DRIVER_DESCRIPTION	"Ubicom32 virtual frame buffer driver"
+
+#define PALETTE_ENTRIES_NO	16
+
+/*
+ * Option variables
+ *
+ * vram_size:	VRAM size in kilobytes, subject to alignment
+ */
+static int vram_size = 0;
+module_param(vram_size, int, 0);
+MODULE_PARM_DESC(vram_size, "VRAM size, in kilobytes to allocate, should be at least the size of one screen, subject to alignment");
+
+static int xres = 320;
+module_param(xres, int, 0);
+MODULE_PARM_DESC(xres, "x (horizontal) resolution");
+
+static int yres = 240;
+module_param(yres, int, 0);
+MODULE_PARM_DESC(yres, "y (vertical) resolution");
+
+static int bgr = 0;
+module_param(bgr, int, 0);
+MODULE_PARM_DESC(bgr, "display is BGR (Blue is MSB)");
+
+#define BITS_PER_PIXEL	16
+
+/*
+ * Buffer alignment, must not be 0
+ */
+#define UBICOM32VFB_ALIGNMENT 4
+
+/*
+ * fb_fix_screeninfo defines the non-changeable properties of the VDC, depending on what mode it is in.
+ */
+static struct fb_fix_screeninfo ubicom32vfb_fix = {
+	.id =		"Ubicom32",
+	.type =		FB_TYPE_PACKED_PIXELS,
+	.visual =	FB_VISUAL_TRUECOLOR,
+	.accel =	FB_ACCEL_UBICOM32_VFB,
+};
+
+/*
+ * Filled in at probe time when we find out what the hardware supports
+ */
+static struct fb_var_screeninfo ubicom32vfb_var;
+
+/*
+ * Private data structure
+ */
+struct ubicom32vfb_drvdata {
+	struct fb_info			*fbinfo;
+	bool				cmap_alloc;
+
+	/*
+	 * The address of the framebuffer in memory
+	 */
+	void				*fb;
+	void				*fb_aligned;
+
+	/*
+	 * Total size of vram including alignment allowance
+	 */
+	u32				total_vram_size;
+
+	/*
+	 * Fake palette of 16 colors
+	 */
+	u32				pseudo_palette[PALETTE_ENTRIES_NO];
+};
+
+static struct platform_device *ubicom32vfb_platform_device;
+
+/*
+ * ubicom32vfb_pan_display
+ *	Pans the display to a given location.  Supports only y direction panning.
+ */
+static int ubicom32vfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *fbi)
+{
+	struct ubicom32vfb_drvdata *ud = (struct ubicom32vfb_drvdata *)fbi->par;
+	void *new_addr;
+
+	/*
+	 * Get the last y line that would be displayed.  Since we don't support YWRAP,
+	 * it must be less than our virtual y size.
+	 */
+	u32 lasty = var->yoffset + var->yres;
+	if (lasty > fbi->var.yres_virtual) {
+		/*
+		 * We would fall off the end of our frame buffer if we panned here.
+		 */
+		return -EINVAL;
+	}
+
+	if (var->xoffset) {
+		/*
+		 * We don't support panning in the x direction
+		 */
+		return -EINVAL;
+	}
+
+	/*
+	 * Everything looks sane, go ahead and pan
+	 *
+	 * We have to calculate a new address for the VDC to look at
+	 */
+	new_addr = ud->fb_aligned + (var->yoffset * fbi->fix.line_length);
+
+	return 0;
+}
+
+/*
+ * ubicom32vfb_setcolreg
+ *	Sets a color in our virtual palette
+ */
+static int ubicom32vfb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, unsigned transp, struct fb_info *fbi)
+{
+	u32 *palette = fbi->pseudo_palette;
+
+	if (regno >= PALETTE_ENTRIES_NO) {
+		return -EINVAL;
+	}
+
+	/*
+	 * We only use 8 bits from each color
+	 */
+	red >>= 8;
+	green >>= 8;
+	blue >>= 8;
+
+	/*
+	 * Convert any grayscale values
+	 */
+	if (fbi->var.grayscale) {
+		u16 gray = red + green + blue;
+		gray += (gray >> 2) + (gray >> 3) - (gray >> 7);
+		gray >>= 2;
+		if (gray > 255) {
+			gray = 255;
+		}
+		red = gray;
+		blue = gray;
+		green = gray;
+	}
+
+	palette[regno] = (red << fbi->var.red.offset) | (green << fbi->var.green.offset) |
+			 (blue << fbi->var.blue.offset);
+
+	return 0;
+}
+
+/*
+ * ubicom32vfb_mmap
+ */
+static int ubicom32vfb_mmap(struct fb_info *info, struct vm_area_struct *vma)
+{
+	struct ubicom32vfb_drvdata *ud = (struct ubicom32vfb_drvdata *)info->par;
+
+	vma->vm_start = (unsigned long)(ud->fb_aligned);
+
+	vma->vm_end = vma->vm_start + info->fix.smem_len;
+
+	/* For those who don't understand how mmap works, go read
+	 *   Documentation/nommu-mmap.txt.
+	 * For those that do, you will know that the VM_MAYSHARE flag
+	 * must be set in the vma->vm_flags structure on noMMU
+	 *   Other flags can be set, and are documented in
+	 *   include/linux/mm.h
+	 */
+
+	vma->vm_flags |=  VM_MAYSHARE | VM_SHARED;
+
+	return 0;
+}
+
+/*
+ * ubicom32vfb_check_var
+ *	Check the var, tweak it but don't change operational parameters.
+ */
+static int ubicom32vfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
+{
+	struct ubicom32vfb_drvdata *ud = (struct ubicom32vfb_drvdata *)info->par;
+	u32 line_size = var->xres * (BITS_PER_PIXEL / 8);
+
+	/*
+	 * See if we can handle this bpp
+	 */
+	if (var->bits_per_pixel > BITS_PER_PIXEL) {
+		return -EINVAL;
+	}
+	var->bits_per_pixel = BITS_PER_PIXEL;
+
+	/*
+	 * See if we have enough memory to handle this resolution
+	 */
+	if ((line_size * var->yres * BITS_PER_PIXEL / 8) > ud->total_vram_size) {
+		return -EINVAL;
+	}
+
+	var->xres_virtual = var->xres;
+	var->yres_virtual = ud->total_vram_size / line_size;
+
+	var->red.length = 5;
+	var->green.length = 6;
+	var->green.offset = 5;
+	var->blue.length = 5;
+	var->transp.offset = var->transp.length = 0;
+
+	if (bgr) {
+		var->red.offset = 0;
+		var->blue.offset = 11;
+	} else {
+		var->red.offset = 11;
+		var->blue.offset = 0;
+	}
+
+	var->nonstd = 0;
+	var->height = -1;
+	var->width = -1;
+	var->vmode = FB_VMODE_NONINTERLACED;
+	var->sync = 0;
+
+	return 0;
+}
+
+/*
+ * ubicom32vfb_set_par
+ *	Set the video mode according to info->var
+ */
+static int ubicom32vfb_set_par(struct fb_info *info)
+{
+	/*
+	 * Anything changed?
+	 */
+	if ((xres == info->var.xres) && (yres == info->var.yres)) {
+		return 0;
+	}
+
+	/*
+	 * Implement changes
+	 */
+	xres = info->var.xres;
+	yres = info->var.yres;
+	info->fix.visual = FB_VISUAL_TRUECOLOR;
+	info->fix.xpanstep = 0;
+	info->fix.ypanstep = 1;
+	info->fix.line_length = xres * (BITS_PER_PIXEL / 8);
+
+	return 0;
+}
+
+/*
+ * ubicom32vfb_ops
+ *	List of supported operations
+ */
+static struct fb_ops ubicom32vfb_ops =
+{
+	.owner			= THIS_MODULE,
+	.fb_pan_display		= ubicom32vfb_pan_display,
+	.fb_setcolreg		= ubicom32vfb_setcolreg,
+	.fb_mmap		= ubicom32vfb_mmap,
+	.fb_check_var		= ubicom32vfb_check_var,
+	.fb_set_par		= ubicom32vfb_set_par,
+	.fb_fillrect		= cfb_fillrect,
+	.fb_copyarea		= cfb_copyarea,
+	.fb_imageblit		= cfb_imageblit,
+};
+
+/*
+ * ubicom32vfb_release
+ */
+static int ubicom32vfb_release(struct device *dev)
+{
+	struct ubicom32vfb_drvdata *ud = dev_get_drvdata(dev);
+
+	unregister_framebuffer(ud->fbinfo);
+
+	if (ud->cmap_alloc) {
+		fb_dealloc_cmap(&ud->fbinfo->cmap);
+	}
+
+	if (ud->fb) {
+		kfree(ud->fb);
+	}
+
+	framebuffer_release(ud->fbinfo);
+	dev_set_drvdata(dev, NULL);
+
+	return 0;
+}
+
+/*
+ * ubicom32vfb_platform_probe
+ */
+static int __init ubicom32vfb_platform_probe(struct platform_device *pdev)
+{
+	struct ubicom32vfb_drvdata *ud;
+	struct fb_info *fbinfo;
+	int rc;
+	size_t fbsize;
+	struct device *dev = &pdev->dev;
+	int offset;
+
+	/*
+	 * This is the minimum VRAM size
+	 */
+	fbsize = xres * yres * 2;
+	if (!vram_size) {
+		vram_size = (fbsize + 1023) / 1024;
+	} else {
+		if (fbsize > (vram_size * 1024)) {
+			dev_err(dev, "Not enough VRAM for display, need >= %u bytes\n", fbsize);
+			return -ENOMEM; // should be ebadparam?
+		}
+	}
+
+	/*
+	 * Allocate the framebuffer instance + our private data
+	 */
+	fbinfo = framebuffer_alloc(sizeof(struct ubicom32vfb_drvdata), &pdev->dev);
+	if (!fbinfo) {
+		dev_err(dev, "Not enough memory to allocate instance.\n");
+		return -ENOMEM;
+	}
+
+	/*
+	 * Fill in our private data.
+	 */
+	ud = (struct ubicom32vfb_drvdata *)fbinfo->par;
+	ud->fbinfo = fbinfo;
+	dev_set_drvdata(dev, ud);
+
+	/*
+	 * Allocate and align the requested amount of VRAM
+	 */
+	ud->total_vram_size = (vram_size * 1024) + UBICOM32VFB_ALIGNMENT;
+	ud->fb = kmalloc(ud->total_vram_size, GFP_KERNEL);
+	if (ud->fb == NULL) {
+		dev_err(dev, "Couldn't allocate VRAM\n");
+		rc = -ENOMEM;
+		goto fail;
+	}
+
+	offset = (u32_t)ud->fb & (UBICOM32VFB_ALIGNMENT - 1);
+	if (!offset) {
+		ud->fb_aligned = ud->fb;
+	} else {
+		offset =  UBICOM32VFB_ALIGNMENT - offset;
+		ud->fb_aligned = ud->fb + offset;
+	}
+
+	/*
+	 * Clear the entire frame buffer
+	 */
+	memset(ud->fb_aligned, 0, vram_size * 1024);
+
+	/*
+	 * Fill in the fb_var_screeninfo structure
+	 */
+	memset(&ubicom32vfb_var, 0, sizeof(ubicom32vfb_var));
+	ubicom32vfb_var.bits_per_pixel = BITS_PER_PIXEL;
+	ubicom32vfb_var.red.length = 5;
+	ubicom32vfb_var.green.length = 6;
+	ubicom32vfb_var.green.offset = 5;
+	ubicom32vfb_var.blue.length = 5;
+	ubicom32vfb_var.activate = FB_ACTIVATE_NOW;
+
+	if (bgr) {
+		ubicom32vfb_var.red.offset = 0;
+		ubicom32vfb_var.blue.offset = 11;
+	} else {
+		ubicom32vfb_var.red.offset = 11;
+		ubicom32vfb_var.blue.offset = 0;
+	}
+
+	/*
+	 * Fill in the fb_info structure
+	 */
+	ud->fbinfo->device = dev;
+	ud->fbinfo->screen_base = (void *)ud->fb_aligned;
+	ud->fbinfo->fbops = &ubicom32vfb_ops;
+	ud->fbinfo->fix = ubicom32vfb_fix;
+	ud->fbinfo->fix.smem_start = (u32)ud->fb_aligned;
+	ud->fbinfo->fix.smem_len = vram_size * 1024;
+	ud->fbinfo->fix.line_length = xres * 2;
+	ud->fbinfo->fix.mmio_start = (u32)ud;
+	ud->fbinfo->fix.mmio_len = sizeof(struct ubicom32vfb_drvdata);
+
+	/*
+	 * We support panning in the y direction only
+	 */
+	ud->fbinfo->fix.xpanstep = 0;
+	ud->fbinfo->fix.ypanstep = 1;
+
+	ud->fbinfo->pseudo_palette = ud->pseudo_palette;
+	ud->fbinfo->flags = FBINFO_DEFAULT;
+	ud->fbinfo->var = ubicom32vfb_var;
+	ud->fbinfo->var.xres = xres;
+	ud->fbinfo->var.yres = yres;
+
+	/*
+	 * We cannot pan in the X direction, so xres_virtual is xres
+	 * We can pan in the Y direction, so yres_virtual is vram_size / ud->fbinfo->fix.line_length
+	 */
+	ud->fbinfo->var.xres_virtual = xres;
+	ud->fbinfo->var.yres_virtual = (vram_size * 1024) / ud->fbinfo->fix.line_length;
+
+	/*
+	 * Allocate a color map
+	 */
+	rc = fb_alloc_cmap(&ud->fbinfo->cmap, PALETTE_ENTRIES_NO, 0);
+	if (rc) {
+		dev_err(dev, "Fail to allocate colormap (%d entries)\n",
+			PALETTE_ENTRIES_NO);
+		goto fail;
+	}
+	ud->cmap_alloc = true;
+
+	/*
+	 * Register new frame buffer
+	 */
+	rc = register_framebuffer(ud->fbinfo);
+	if (rc) {
+		dev_err(dev, "Could not register frame buffer\n");
+		goto fail;
+	}
+
+	/*
+	 * Tell the log we are here
+	 */
+	dev_info(dev, "fbaddr=%p align=%p, size=%uKB screen(%ux%u) virt(%ux%u)\n",
+		ud->fb, ud->fb_aligned, vram_size, ud->fbinfo->var.xres, ud->fbinfo->var.yres,
+		ud->fbinfo->var.xres_virtual, ud->fbinfo->var.yres_virtual);
+
+	/*
+	 * Success
+	 */
+	return 0;
+
+fail:
+	ubicom32vfb_release(dev);
+	return rc;
+}
+
+/*
+ * ubicom32vfb_platform_remove
+ */
+static int ubicom32vfb_platform_remove(struct platform_device *pdev)
+{
+	dev_info(&(pdev->dev), "Ubicom32 FB Driver Remove\n");
+	return ubicom32vfb_release(&pdev->dev);
+}
+
+static struct platform_driver ubicom32vfb_platform_driver = {
+	.probe		= ubicom32vfb_platform_probe,
+	.remove		= ubicom32vfb_platform_remove,
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+	},
+};
+
+#ifndef MODULE
+/*
+ * ubicom32vfb_setup
+ *	Process kernel boot options
+ */
+static int __init ubicom32vfb_setup(char *options)
+{
+	char *this_opt;
+
+	if (!options || !*options) {
+		return 0;
+	}
+
+	while ((this_opt = strsep(&options, ",")) != NULL) {
+		if (!*this_opt) {
+			continue;
+		}
+
+		if (!strncmp(this_opt, "vram_size=", 10)) {
+			vram_size = simple_strtoul(this_opt + 10, NULL, 0);
+			continue;
+		}
+
+		if (!strncmp(this_opt, "bgr=", 4)) {
+			bgr = simple_strtoul(this_opt + 4, NULL, 0);
+			continue;
+		}
+
+		if (!strncmp(this_opt, "xres=", 5)) {
+			xres = simple_strtoul(this_opt + 5, NULL, 0);
+			continue;
+		}
+
+		if (!strncmp(this_opt, "yres=", 5)) {
+			yres = simple_strtoul(this_opt + 5, NULL, 0);
+			continue;
+		}
+	}
+	return 0;
+}
+#endif /* MODULE */
+
+/*
+ * ubicom32vfb_init
+ */
+static int __devinit ubicom32vfb_init(void)
+{
+	int ret;
+
+#ifndef MODULE
+	/*
+	 * Get kernel boot options (in 'video=ubicom32vfb:<options>')
+	 */
+	char *option = NULL;
+
+	if (fb_get_options(DRIVER_NAME, &option)) {
+		return -ENODEV;
+	}
+	ubicom32vfb_setup(option);
+#endif /* MODULE */
+
+	ret = platform_driver_register(&ubicom32vfb_platform_driver);
+
+#ifdef CONFIG_FB_UBICOM32_VIRTUAL_NOAUTO
+	return ret;
+#else
+	if (!ret) {
+		ubicom32vfb_platform_device = platform_device_alloc(DRIVER_NAME, 0);
+
+		if (ubicom32vfb_platform_device)
+			ret = platform_device_add(ubicom32vfb_platform_device);
+		else
+			ret = -ENOMEM;
+
+		if (ret) {
+			platform_device_put(ubicom32vfb_platform_device);
+			platform_driver_unregister(&ubicom32vfb_platform_driver);
+		}
+	}
+
+	return ret;
+#endif
+}
+module_init(ubicom32vfb_init);
+
+/*
+ * ubicom32vfb_exit
+ */
+static void __exit ubicom32vfb_exit(void)
+{
+	platform_device_unregister(ubicom32vfb_platform_device);
+	platform_driver_unregister(&ubicom32vfb_platform_driver);
+}
+module_exit(ubicom32vfb_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Patrick Tjin <@ubicom.com>");
+MODULE_DESCRIPTION(DRIVER_DESCRIPTION);
diff -ruN linux-2.6.30.10/drivers/watchdog/Kconfig linux-2.6.30.10-ubi/drivers/watchdog/Kconfig
--- linux-2.6.30.10/drivers/watchdog/Kconfig	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/watchdog/Kconfig	2009-12-11 11:45:21.000000000 +0200
@@ -887,6 +887,19 @@
 	  machines.  The watchdog timeout period is normally one minute but
 	  can be changed with a boot-time parameter.
 
+# Ubicom32
+
+config UBI32_WDT
+	tristate "Ubicom32 Hardware Watchdog support"
+	depends on UBICOM32
+	---help---
+	  If you say yes here you will get support for the Ubicom32 On-Chip
+	  Watchdog Timer. If you have one of these processors and wish to
+	  have watchdog support enabled, say Y, otherwise say N.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called ubi32_wdt.
+
 # XTENSA Architecture
 
 #
diff -ruN linux-2.6.30.10/drivers/watchdog/Makefile linux-2.6.30.10-ubi/drivers/watchdog/Makefile
--- linux-2.6.30.10/drivers/watchdog/Makefile	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/watchdog/Makefile	2009-12-11 11:45:21.000000000 +0200
@@ -131,6 +131,9 @@
 obj-$(CONFIG_WATCHDOG_RIO)		+= riowd.o
 obj-$(CONFIG_WATCHDOG_CP1XXX)		+= cpwd.o
 
+# Ubicom32 Architecture
+obj-$(CONFIG_UBI32_WDT)			+= ubi32_wdt.o
+
 # XTENSA Architecture
 
 # Architecture Independant
diff -ruN linux-2.6.30.10/drivers/watchdog/ubi32_wdt.c linux-2.6.30.10-ubi/drivers/watchdog/ubi32_wdt.c
--- linux-2.6.30.10/drivers/watchdog/ubi32_wdt.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/drivers/watchdog/ubi32_wdt.c	2009-12-11 11:45:21.000000000 +0200
@@ -0,0 +1,630 @@
+/*
+ * drivers/watchdog/ubi32_wdt.c
+ *   Ubicom32 Watchdog Driver
+ *
+ * Originally based on softdog.c
+ * Copyright 2006-2007 Analog Devices Inc.
+ * Copyright 2006-2007 Michele d'Amico
+ * Copyright 1996 Alan Cox <alan@lxorguk.ukuu.org.uk>
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+#include <linux/platform_device.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/types.h>
+#include <linux/timer.h>
+#include <linux/miscdevice.h>
+#include <linux/watchdog.h>
+#include <linux/fs.h>
+#include <linux/notifier.h>
+#include <linux/reboot.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/uaccess.h>
+#include <asm/ip5000.h>
+
+#define WATCHDOG_NAME "ubi32-wdt"
+#define PFX WATCHDOG_NAME ": "
+
+#define OSC1_FREQ 12000000
+#define WATCHDOG_SEC_TO_CYC(x) (OSC1_FREQ * (x))
+#define WATCHDOG_MAX_SEC (0xffffffff / OSC1_FREQ)
+
+#define MIN_PROCESSOR_ADDRESS 0x03000000
+
+static DEFINE_SPINLOCK(ubi32_wdt_spinlock);
+
+#define WATCHDOG_TIMEOUT 20
+
+#if defined(CONFIG_WATCHDOG_NOWAYOUT)
+#define WATCHDOG_NOWAYOUT 1
+#else
+#define WATCHDOG_NOWAYOUT 0
+#endif
+
+static unsigned int timeout = WATCHDOG_TIMEOUT;
+static int nowayout = WATCHDOG_NOWAYOUT;
+static struct watchdog_info ubi32_wdt_info;
+static unsigned long open_check;
+static char expect_close;
+
+#if !defined(CONFIG_SMP)
+#define UBI32_WDT_LOCK(lock, flags) local_irq_save(flags)
+#define UBI32_WDT_UNLOCK(lock, flags) local_irq_restore(flags)
+#define UBI32_WDT_LOCK_CHECK()
+#else
+#define UBI32_WDT_LOCK(lock, flags) spin_lock_irqsave((lock), (flags));
+#define UBI32_WDT_UNLOCK(lock, flags) spin_unlock_irqrestore((lock), (flags));
+#define UBI32_WDT_LOCK_CHECK() BUG_ON(!spin_is_locked(&ubi32_wdt_spinlock));
+#endif
+
+/*
+ * ubi32_wdt_remaining()
+ * 	Return the approximate number of seconds remaining
+ */
+static int ubi32_wdt_remaining(void)
+{
+	int compare;
+	int curr;
+
+	UBI32_WDT_LOCK_CHECK();
+
+	ubicom32_write_reg(&UBICOM32_IO_TIMER->tkey, TIMER_TKEYVAL);
+	compare = ubicom32_read_reg(&UBICOM32_IO_TIMER->wdcom);
+	curr = ubicom32_read_reg(&UBICOM32_IO_TIMER->mptval);
+	ubicom32_write_reg(&UBICOM32_IO_TIMER->tkey, 0);
+	return (compare - curr) / OSC1_FREQ;
+
+}
+
+/*
+ * ubi32_wdt_keepalive()
+ *	Keep the Userspace Watchdog Alive
+ *
+ * The Userspace watchdog got a KeepAlive: schedule the next timeout.
+ */
+static int ubi32_wdt_keepalive(void)
+{
+	UBI32_WDT_LOCK_CHECK();
+	ubicom32_write_reg(&UBICOM32_IO_TIMER->tkey, TIMER_TKEYVAL);
+	ubicom32_write_reg(&UBICOM32_IO_TIMER->wdcom,
+			ubicom32_read_reg(&UBICOM32_IO_TIMER->mptval)
+			+ WATCHDOG_SEC_TO_CYC(timeout));
+	ubicom32_write_reg(&UBICOM32_IO_TIMER->tkey, 0);
+	return 0;
+}
+
+/*
+ * ubi32_wdt_stop()
+ *	Stop the on-chip Watchdog
+ */
+static int ubi32_wdt_stop(void)
+{
+	UBI32_WDT_LOCK_CHECK();
+	ubicom32_write_reg(&UBICOM32_IO_TIMER->tkey, TIMER_TKEYVAL);
+	ubicom32_write_reg(&UBICOM32_IO_TIMER->wdcfg, TIMER_WATCHDOG_DISABLE);
+	ubicom32_write_reg(&UBICOM32_IO_TIMER->tkey, 0);
+	return 0;
+}
+
+/*
+ * ubi32_wdt_start()
+ *	Start the on-chip Watchdog
+ */
+static int ubi32_wdt_start(void)
+{
+	UBI32_WDT_LOCK_CHECK();
+	ubicom32_write_reg(&UBICOM32_IO_TIMER->tkey, TIMER_TKEYVAL);
+	ubicom32_write_reg(&UBICOM32_IO_TIMER->wdcom,
+			ubicom32_read_reg(&UBICOM32_IO_TIMER->mptval)
+			+ WATCHDOG_SEC_TO_CYC(timeout));
+	ubicom32_write_reg(&UBICOM32_IO_TIMER->wdcfg, ~TIMER_WATCHDOG_DISABLE);
+	ubicom32_write_reg(&UBICOM32_IO_TIMER->tkey, 0);
+	return 0;
+}
+
+/*
+ * ubi32_wdt_running()
+ * 	Return true if the watchdog is configured
+ */
+static int ubi32_wdt_running(void)
+{
+	int enabled;
+
+	UBI32_WDT_LOCK_CHECK();
+	ubicom32_write_reg(&UBICOM32_IO_TIMER->tkey, TIMER_TKEYVAL);
+	enabled = ubicom32_read_reg(&UBICOM32_IO_TIMER->wdcfg) == ~TIMER_WATCHDOG_DISABLE;
+	ubicom32_write_reg(&UBICOM32_IO_TIMER->tkey, 0);
+	return enabled;
+}
+
+/*
+ * ubi32_wdt_set_timeout()
+ *	Set the Userspace Watchdog timeout
+ *
+ * - @t: new timeout value (in seconds)
+ */
+static int ubi32_wdt_set_timeout(unsigned long t)
+{
+	UBI32_WDT_LOCK_CHECK();
+
+	if (t > WATCHDOG_MAX_SEC) {
+		printk(KERN_WARNING PFX "request to large: %ld [1-%d] sec)\n", t, WATCHDOG_MAX_SEC);
+		return -EINVAL;
+	}
+
+	/*
+	 * If we are running, then reset the time value so
+	 * that the new value has an immediate effect.
+	 */
+	timeout = t;
+	if (ubi32_wdt_running()) {
+		ubi32_wdt_keepalive();
+	}
+	return 0;
+}
+
+/*
+ * ubi32_wdt_open()
+ *	Open the Device
+ */
+static int ubi32_wdt_open(struct inode *inode, struct file *file)
+{
+	unsigned long flags;
+
+	if (test_and_set_bit(0, &open_check))
+		return -EBUSY;
+
+	if (nowayout)
+		__module_get(THIS_MODULE);
+
+	spin_lock_irqsave(&ubi32_wdt_spinlock, flags);
+	ubi32_wdt_start();
+	spin_unlock_irqrestore(&ubi32_wdt_spinlock, flags);
+
+	return nonseekable_open(inode, file);
+}
+
+/*
+ * ubi32_wdt_close()
+ *	Close the Device
+ */
+static int ubi32_wdt_release(struct inode *inode, struct file *file)
+{
+	unsigned long flags;
+
+	/*
+	 * If we don't expect a close, then the watchdog continues
+	 * even though the device is closed.  The caller will have
+	 * a full timeout value to reopen the device and continue
+	 * stroking it.
+	 */
+	if (expect_close != 42) {
+		printk(KERN_CRIT PFX
+			"Unexpected close, not stopping watchdog!\n");
+		spin_lock_irqsave(&ubi32_wdt_spinlock, flags);
+		ubi32_wdt_keepalive();
+		spin_unlock_irqrestore(&ubi32_wdt_spinlock, flags);
+	} else {
+		spin_lock_irqsave(&ubi32_wdt_spinlock, flags);
+		ubi32_wdt_stop();
+		spin_unlock_irqrestore(&ubi32_wdt_spinlock, flags);
+	}
+
+	expect_close = 0;
+	clear_bit(0, &open_check);
+	return 0;
+}
+
+/*
+ * ubi32_wdt_write()
+ *	Write to Device
+ *
+ * If the user writes nothing, nothing happens.
+ * If the user writes a V, then we expect a close and allow a release.
+ * If the user writes anything else, it is ignored.
+ */
+static ssize_t ubi32_wdt_write(struct file *file, const char __user *data,
+						size_t len, loff_t *ppos)
+{
+	size_t i;
+	unsigned long flags;
+
+	/*
+	 * Every write resets the expect_close.  The last write
+	 * must be a V to allow shutdown on close.
+	 */
+	expect_close = 0;
+
+	/*
+	 * Empty writes still ping.
+	 */
+	if (!len) {
+		goto ping;
+	}
+
+	/*
+	 * If nowayout is set, it does not matter if the caller
+	 * is trying to send the magic 'V' we will not allow a
+	 * close to stop us.
+	 */
+	if (nowayout) {
+		goto ping;
+	}
+
+	/*
+	 * See if the program wrote a 'V' and if so disable
+	 * the watchdog on release.
+	 */
+	for (i = 0; i < len; i++) {
+		char c;
+		if (get_user(c, data + i)) {
+			return -EFAULT;
+		}
+
+		if (c == 'V') {
+			expect_close = 42;
+		}
+	}
+
+ping:
+	spin_lock_irqsave(&ubi32_wdt_spinlock, flags);
+	ubi32_wdt_keepalive();
+	spin_unlock_irqrestore(&ubi32_wdt_spinlock, flags);
+	return len;
+}
+
+/*
+ * ubi32_wdt_ioctl()
+ *	Query the watchdog device.
+ *
+ * Query basic information from the device or ping it, as outlined by the
+ * watchdog API.
+ */
+static long ubi32_wdt_ioctl(struct file *file,
+				unsigned int cmd, unsigned long arg)
+{
+	void __user *argp = (void __user *)arg;
+	int __user *p = argp;
+
+	switch (cmd) {
+	case WDIOC_GETSUPPORT:
+		if (copy_to_user(argp, &ubi32_wdt_info, sizeof(ubi32_wdt_info))) {
+			return -EFAULT;
+		}
+		return 0;
+
+	case WDIOC_GETSTATUS: {
+		unsigned long flags;
+		int running;
+
+		spin_lock_irqsave(&ubi32_wdt_spinlock, flags);
+		running = ubi32_wdt_running();
+		spin_unlock_irqrestore(&ubi32_wdt_spinlock, flags);
+		return running;
+	}
+
+	case WDIOC_GETBOOTSTATUS:
+		return ubicom32_get_reset_reason();
+
+	case WDIOC_SETOPTIONS: {
+		unsigned long flags;
+		int options, ret = -EINVAL;
+
+		/*
+		 * The sample application does not pass a pointer
+		 * but directly passes a value of 1 or 2; however
+		 * all of the implementations (and thus probably
+		 * the real applications) pass a pointer to a value.
+		 *
+		 * It should be noted that  WDIOC_SETOPTIONS is defined as
+		 * _IOR(WATCHDOG_IOCTL_BASE, 4, int), which means
+		 * that it should be an int and NOT a pointer.
+		 *
+		 * TODO: Examine this code for future chips.
+		 * TODO: Report the sample code defect.
+		 */
+		if ((int)p < MIN_PROCESSOR_ADDRESS) {
+			options = (int)p;
+		} else {
+			if (get_user(options, p))
+			return -EFAULT;
+		}
+
+		spin_lock_irqsave(&ubi32_wdt_spinlock, flags);
+		if (options & WDIOS_DISABLECARD) {
+			ubi32_wdt_stop();
+			ret = 0;
+		}
+		if (options & WDIOS_ENABLECARD) {
+			ubi32_wdt_start();
+			ret = 0;
+		}
+		spin_unlock_irqrestore(&ubi32_wdt_spinlock, flags);
+		return ret;
+	}
+
+	case WDIOC_KEEPALIVE: {
+		unsigned long flags;
+
+		spin_lock_irqsave(&ubi32_wdt_spinlock, flags);
+		ubi32_wdt_keepalive();
+		spin_unlock_irqrestore(&ubi32_wdt_spinlock, flags);
+		return 0;
+	}
+
+	case WDIOC_SETTIMEOUT: {
+		int new_timeout;
+		unsigned long flags;
+		int ret  = 0;
+
+		if (get_user(new_timeout, p))
+			return -EFAULT;
+
+		spin_lock_irqsave(&ubi32_wdt_spinlock, flags);
+		ret = ubi32_wdt_set_timeout(new_timeout);
+		spin_unlock_irqrestore(&ubi32_wdt_spinlock, flags);
+		return ret;
+
+	}
+
+	case WDIOC_GETTIMEOUT:
+		return put_user(timeout, p);
+
+	case WDIOC_GETTIMELEFT: {
+		unsigned long flags;
+		int remaining = 0;
+
+		spin_lock_irqsave(&ubi32_wdt_spinlock, flags);
+		remaining = ubi32_wdt_remaining();
+		spin_unlock_irqrestore(&ubi32_wdt_spinlock, flags);
+		return put_user(remaining, p);
+	}
+
+	default:
+		return -ENOTTY;
+	}
+}
+
+/*
+ * ubi32_wdt_notify_sys()
+ *	Notification callback function for system events.
+ *
+ * Turn off the watchdog during a SYS_DOWN or SYS_HALT.
+ */
+static int ubi32_wdt_notify_sys(struct notifier_block *this,
+					unsigned long code, void *unused)
+{
+	if (code == SYS_DOWN || code == SYS_HALT) {
+		unsigned long flags;
+
+		spin_lock_irqsave(&ubi32_wdt_spinlock, flags);
+		ubi32_wdt_stop();
+		spin_unlock_irqrestore(&ubi32_wdt_spinlock, flags);
+	}
+
+	return NOTIFY_DONE;
+}
+
+#ifdef CONFIG_PM
+static int state_before_suspend;
+
+/*
+ * ubi32_wdt_suspend()
+ * 	suspend the watchdog
+ *
+ * Remember if the watchdog was running and stop it.
+ */
+static int ubi32_wdt_suspend(struct platform_device *pdev, pm_message_t state)
+{
+	unsigned long flags;
+	spin_lock_irqsave(&ubi32_wdt_spinlock, flags);
+	state_before_suspend = ubi32_wdt_running();
+	ubi32_wdt_stop();
+	spin_unlock_irqrestore(&ubi32_wdt_spinlock, flags);
+
+	return 0;
+}
+
+/*
+ * ubi32_wdt_resume()
+ * 	Resume the watchdog
+ *
+ * If the watchdog was running, turn it back on.
+ */
+static int ubi32_wdt_resume(struct platform_device *pdev)
+{
+	if (state_before_suspend) {
+		unsigned long flags;
+		spin_lock_irqsave(&ubi32_wdt_spinlock, flags);
+		ubi32_wdt_set_timeout(timeout);
+		ubi32_wdt_start();
+		spin_unlock_irqrestore(&ubi32_wdt_spinlock, flags);
+	}
+
+	return 0;
+}
+#else
+# define ubi32_wdt_suspend NULL
+# define ubi32_wdt_resume NULL
+#endif
+
+static const struct file_operations ubi32_wdt_fops = {
+	.owner		= THIS_MODULE,
+	.llseek		= no_llseek,
+	.write    	= ubi32_wdt_write,
+	.unlocked_ioctl	= ubi32_wdt_ioctl,
+	.open		= ubi32_wdt_open,
+	.release	= ubi32_wdt_release,
+};
+
+static struct miscdevice ubi32_wdt_miscdev = {
+	.minor    = WATCHDOG_MINOR,
+	.name     = "watchdog",
+	.fops     = &ubi32_wdt_fops,
+};
+
+static struct watchdog_info ubi32_wdt_info = {
+	.identity = "Ubicom32 Watchdog",
+	.options  = WDIOF_SETTIMEOUT |
+		    WDIOF_KEEPALIVEPING |
+		    WDIOF_MAGICCLOSE,
+};
+
+static struct notifier_block ubi32_wdt_notifier = {
+	.notifier_call = ubi32_wdt_notify_sys,
+};
+
+/*
+ * ubi32_wdt_probe()
+ * 	Probe/register the watchdog module
+ *
+ * Registers the misc device and notifier handler.  Actual device
+ * initialization is handled by ubi32_wdt_open().
+ */
+static int __devinit ubi32_wdt_probe(struct platform_device *pdev)
+{
+	int ret;
+
+	ret = register_reboot_notifier(&ubi32_wdt_notifier);
+	if (ret) {
+		printk(KERN_ERR PFX
+			"cannot register reboot notifier (err=%d)\n", ret);
+		return ret;
+	}
+
+	ret = misc_register(&ubi32_wdt_miscdev);
+	if (ret) {
+		printk(KERN_ERR PFX
+			"cannot register miscdev on minor=%d (err=%d)\n",
+				WATCHDOG_MINOR, ret);
+		unregister_reboot_notifier(&ubi32_wdt_notifier);
+		return ret;
+	}
+
+	printk(KERN_INFO PFX "initialized: timeout=%d sec (nowayout=%d)\n",
+	       timeout, nowayout);
+
+	return 0;
+}
+
+/*
+ * ubi32_wdt_remove()
+ * 	Uninstall the module
+ *
+ * Unregisters the misc device and notifier handler.  Actual device
+ * deinitialization is handled by ubi32_wdt_close().
+ */
+static int __devexit ubi32_wdt_remove(struct platform_device *pdev)
+{
+	misc_deregister(&ubi32_wdt_miscdev);
+	unregister_reboot_notifier(&ubi32_wdt_notifier);
+	return 0;
+}
+
+static struct platform_device *ubi32_wdt_device;
+
+static struct platform_driver ubi32_wdt_driver = {
+	.probe     = ubi32_wdt_probe,
+	.remove    = __devexit_p(ubi32_wdt_remove),
+	.suspend   = ubi32_wdt_suspend,
+	.resume    = ubi32_wdt_resume,
+	.driver    = {
+		.name  = WATCHDOG_NAME,
+		.owner = THIS_MODULE,
+	},
+};
+
+/*
+ * ubi32_wdt_init()
+ * 	Initialize the watchdog.
+ *
+ * Checks the module params and registers the platform device & driver.
+ * Real work is in the platform probe function.
+ */
+static int __init ubi32_wdt_init(void)
+{
+	unsigned long flags;
+	int ret;
+
+	/*
+	 * Check that the timeout value is within range
+	 */
+	spin_lock_irqsave(&ubi32_wdt_spinlock, flags);
+	ret = ubi32_wdt_set_timeout(timeout);
+	spin_unlock_irqrestore(&ubi32_wdt_spinlock, flags);
+	if (ret) {
+		return ret;
+	}
+
+	/*
+	 * Since this is an on-chip device and needs no board-specific
+	 * resources, we'll handle all the platform device stuff here.
+	 */
+	ret = platform_driver_register(&ubi32_wdt_driver);
+	if (ret) {
+		printk(KERN_ERR PFX "unable to register driver\n");
+		return ret;
+	}
+
+	ubi32_wdt_device = platform_device_register_simple(WATCHDOG_NAME, -1, NULL, 0);
+	if (IS_ERR(ubi32_wdt_device)) {
+		printk(KERN_ERR PFX "unable to register device\n");
+		platform_driver_unregister(&ubi32_wdt_driver);
+		return PTR_ERR(ubi32_wdt_device);
+	}
+
+	return 0;
+}
+
+/*
+ * ubi32_wdt_exit()
+ * 	Deinitialize module
+ *
+ * Back out the platform device & driver steps.  Real work is in the
+ * platform remove function.
+ */
+static void __exit ubi32_wdt_exit(void)
+{
+	platform_device_unregister(ubi32_wdt_device);
+	platform_driver_unregister(&ubi32_wdt_driver);
+}
+
+module_init(ubi32_wdt_init);
+module_exit(ubi32_wdt_exit);
+
+MODULE_AUTHOR("Sol Kavy<sol@ubicom.com>");
+MODULE_DESCRIPTION("Ubicom32 Watchdog Device Driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
+
+module_param(timeout, uint, 0);
+MODULE_PARM_DESC(timeout,
+	"Watchdog timeout in seconds. (1<=timeout<=((2^32)/SCLK), default="
+		__MODULE_STRING(WATCHDOG_TIMEOUT) ")");
+
+module_param(nowayout, int, 0);
+MODULE_PARM_DESC(nowayout,
+	"Watchdog cannot be stopped once started (default="
+		__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
diff -ruN linux-2.6.30.10/fs/binfmt_flat.c linux-2.6.30.10-ubi/fs/binfmt_flat.c
--- linux-2.6.30.10/fs/binfmt_flat.c	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/fs/binfmt_flat.c	2009-12-11 11:45:21.000000000 +0200
@@ -67,6 +67,11 @@
 #define FLAT_DATA_ALIGN	(sizeof(void *))
 #endif
 
+#ifndef ARCH_FLAT_ALIGN
+#undef FLAT_DATA_ALIGN
+#define FLAT_DATA_ALIGN	ARCH_FLAT_ALIGN
+#endif
+
 #define RELOC_FAILED 0xff00ff01		/* Relocation incorrect somewhere */
 #define UNLOADED_LIB 0x7ff000ff		/* Placeholder for unused library */
 
@@ -436,6 +441,7 @@
 	loff_t fpos;
 	unsigned long start_code, end_code;
 	int ret;
+	int flush_happened = 0;
 
 	hdr = ((struct flat_hdr *) bprm->buf);		/* exec-header */
 	inode = bprm->file->f_path.dentry->d_inode;
@@ -521,6 +527,7 @@
 
 		/* OK, This is the point of no return */
 		set_personality(PER_LINUX_32BIT);
+		flush_happened = 1;
 	}
 
 	/*
@@ -535,6 +542,12 @@
 	 * it all together.
 	 */
 	if ((flags & (FLAT_FLAG_RAM|FLAT_FLAG_GZIP)) == 0) {
+
+#ifdef ARCH_FLAT_ALIGN_TEXT
+		printk("Unable to mmap rom with ARCH alignment requirements\n");
+		ret = -ENOEXEC;
+		goto err;
+#endif
 		/*
 		 * this should give us a ROM ptr,  but if it doesn't we don't
 		 * really care
@@ -553,7 +566,7 @@
 			goto err;
 		}
 
-		len = data_len + extra + MAX_SHARED_LIBS * sizeof(unsigned long);
+		len = data_len + extra + ALIGN(MAX_SHARED_LIBS * sizeof(unsigned long), FLAT_DATA_ALIGN);
 		len = PAGE_ALIGN(len);
 		down_write(&current->mm->mmap_sem);
 		realdatastart = do_mmap(0, 0, len,
@@ -572,6 +585,7 @@
 		datapos = ALIGN(realdatastart +
 				MAX_SHARED_LIBS * sizeof(unsigned long),
 				FLAT_DATA_ALIGN);
+		//datapos = realdatastart + ALIGN(MAX_SHARED_LIBS * sizeof(unsigned long), ARCH_FLAT_ALIGN);
 
 		DBG_FLT("BINFMT_FLAT: Allocated data+bss+stack (%d bytes): %x\n",
 				(int)(data_len + bss_len + stack_len), (int)datapos);
@@ -600,7 +614,11 @@
 		memp_size = len;
 	} else {
 
-		len = text_len + data_len + extra + MAX_SHARED_LIBS * sizeof(unsigned long);
+		len = text_len + data_len + extra + ALIGN(MAX_SHARED_LIBS * sizeof(unsigned long), FLAT_DATA_ALIGN);
+#ifdef ARCH_FLAT_ALIGN_TEXT
+		/* Reserve space for the text alignment. */
+		len += FLAT_DATA_ALIGN;
+#endif
 		len = PAGE_ALIGN(len);
 		down_write(&current->mm->mmap_sem);
 		textpos = do_mmap(0, 0, len,
@@ -616,10 +634,17 @@
 			goto err;
 		}
 
+		memp = textpos;
+#ifdef ARCH_FLAT_ALIGN_TEXT
+		textpos = ALIGN(textpos + sizeof(struct flat_hdr), FLAT_DATA_ALIGN) - sizeof(struct flat_hdr);
+#endif
 		realdatastart = textpos + ntohl(hdr->data_start);
 		datapos = ALIGN(realdatastart +
 				MAX_SHARED_LIBS * sizeof(unsigned long),
 				FLAT_DATA_ALIGN);
+//		datapos = realdatastart + ALIGN(MAX_SHARED_LIBS * sizeof(unsigned long), ARCH_FLAT_ALIGN);
+//		reloc = (unsigned long *) (textpos + ntohl(hdr->reloc_start) +
+//					   ALIGN(MAX_SHARED_LIBS * sizeof(unsigned long), ARCH_FLAT_ALIGN));
 
 		reloc = (unsigned long *)
 			(datapos + (ntohl(hdr->reloc_start) - text_len));
@@ -659,7 +684,7 @@
 		}
 		if (result >= (unsigned long)-4096) {
 			printk("Unable to read code+data+bss, errno %d\n",(int)-result);
-			do_munmap(current->mm, textpos, text_len + data_len + extra +
+			do_munmap(current->mm, memp, text_len + data_len + extra +
 				MAX_SHARED_LIBS * sizeof(unsigned long));
 			ret = result;
 			goto err;
@@ -672,6 +697,9 @@
 
 	/* The main program needs a little extra setup in the task structure */
 	start_code = textpos + sizeof (struct flat_hdr);
+#ifdef ARCH_FLAT_ALIGN_TEXT
+	BUG_ON(ALIGN(start_code, FLAT_DATA_ALIGN) != start_code);
+#endif
 	end_code = textpos + text_len;
 	if (id == 0) {
 		current->mm->start_code = start_code;
@@ -800,6 +828,13 @@
 
 	return 0;
 err:
+	if (flush_happened) {
+		/*
+		 * The parent process has already started running. We cannot allow the child to return back to user space
+		 * as this child is still uning the parent stack and 2 will clobber each other. We are going to kill this child.
+		 */
+		do_exit(SIGTERM);
+	}
 	return ret;
 }
 
diff -ruN linux-2.6.30.10/fs/Kconfig.binfmt linux-2.6.30.10-ubi/fs/Kconfig.binfmt
--- linux-2.6.30.10/fs/Kconfig.binfmt	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/fs/Kconfig.binfmt	2009-12-11 11:45:21.000000000 +0200
@@ -30,7 +30,7 @@
 config BINFMT_ELF_FDPIC
 	bool "Kernel support for FDPIC ELF binaries"
 	default y
-	depends on (FRV || BLACKFIN || (SUPERH32 && !MMU))
+	depends on (FRV || BLACKFIN || (SUPERH32 && !MMU) || UBICOM32)
 	help
 	  ELF FDPIC binaries are based on ELF, but allow the individual load
 	  segments of a binary to be located in memory independently of each
diff -ruN linux-2.6.30.10/include/asm-generic/resource.h linux-2.6.30.10-ubi/include/asm-generic/resource.h
--- linux-2.6.30.10/include/asm-generic/resource.h	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/include/asm-generic/resource.h	2009-12-11 11:45:23.000000000 +0200
@@ -69,13 +69,16 @@
 /*
  * boot-time rlimit defaults for the init task:
  */
+#ifndef	CONFIG_ELF_CORE
+#define	CONFIG_USER_ELF_CORE_SIZE	0
+#endif
 #define INIT_RLIMITS							\
 {									\
 	[RLIMIT_CPU]		= {  RLIM_INFINITY,  RLIM_INFINITY },	\
 	[RLIMIT_FSIZE]		= {  RLIM_INFINITY,  RLIM_INFINITY },	\
 	[RLIMIT_DATA]		= {  RLIM_INFINITY,  RLIM_INFINITY },	\
 	[RLIMIT_STACK]		= {       _STK_LIM,   _STK_LIM_MAX },	\
-	[RLIMIT_CORE]		= {              0,  RLIM_INFINITY },	\
+	[RLIMIT_CORE]		= { CONFIG_USER_ELF_CORE_SIZE,  RLIM_INFINITY },	\
 	[RLIMIT_RSS]		= {  RLIM_INFINITY,  RLIM_INFINITY },	\
 	[RLIMIT_NPROC]		= {              0,              0 },	\
 	[RLIMIT_NOFILE]		= {       INR_OPEN,       INR_OPEN },	\
diff -ruN linux-2.6.30.10/include/linux/elf-em.h linux-2.6.30.10-ubi/include/linux/elf-em.h
--- linux-2.6.30.10/include/linux/elf-em.h	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/include/linux/elf-em.h	2009-12-11 11:45:23.000000000 +0200
@@ -41,6 +41,7 @@
  * up with a final number.
  */
 #define EM_ALPHA	0x9026
+#define EM_UBICOM32 	        0xde3d	/* Ubicom32; no ABI */
 
 /* Bogus old v850 magic number, used by old tools. */
 #define EM_CYGNUS_V850	0x9080
diff -ruN linux-2.6.30.10/include/linux/fb.h linux-2.6.30.10-ubi/include/linux/fb.h
--- linux-2.6.30.10/include/linux/fb.h	2009-12-14 12:16:53.000000000 +0200
+++ linux-2.6.30.10-ubi/include/linux/fb.h	2009-12-14 12:16:56.000000000 +0200
@@ -151,6 +151,10 @@
 #define FB_ACCEL_PROSAVAGE_DDR  0x8d	/* S3 ProSavage DDR             */
 #define FB_ACCEL_PROSAVAGE_DDRK 0x8e	/* S3 ProSavage DDR-K           */
 
+#define FB_ACCEL_UBICOM32		0x0100	/* Ubicom32			*/
+#define FB_ACCEL_UBICOM32_VFB		0x0101	/* Ubicom32 VFB			*/
+#define FB_ACCEL_UBICOM32_PLIO80	0x0102	/* Ubicom32 PLIO80		*/
+
 struct fb_fix_screeninfo {
 	char id[16];			/* identification string eg "TT Builtin" */
 	unsigned long smem_start;	/* Start of frame buffer mem */
diff -ruN linux-2.6.30.10/include/linux/if_ppp.h linux-2.6.30.10-ubi/include/linux/if_ppp.h
--- linux-2.6.30.10/include/linux/if_ppp.h	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/include/linux/if_ppp.h	2009-12-11 11:45:23.000000000 +0200
@@ -114,14 +114,14 @@
 	__u16		tunnel_id;	/* redundant */
 	__u16		session_id;	/* if zero, get tunnel stats */
 	__u32		using_ipsec:1;	/* valid only for session_id == 0 */
-	aligned_u64	tx_packets;
-	aligned_u64	tx_bytes;
-	aligned_u64	tx_errors;
-	aligned_u64	rx_packets;
-	aligned_u64	rx_bytes;
-	aligned_u64	rx_seq_discards;
-	aligned_u64	rx_oos_packets;
-	aligned_u64	rx_errors;
+	__u64	tx_packets;
+	__u64	tx_bytes;
+	__u64	tx_errors;
+	__u64	rx_packets;
+	__u64	rx_bytes;
+	__u64	rx_seq_discards;
+	__u64	rx_oos_packets;
+	__u64	rx_errors;
 };
 
 #define ifr__name       b.ifr_ifrn.ifrn_name
diff -ruN linux-2.6.30.10/include/linux/oprofile.h linux-2.6.30.10-ubi/include/linux/oprofile.h
--- linux-2.6.30.10/include/linux/oprofile.h	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/include/linux/oprofile.h	2009-12-11 11:45:23.000000000 +0200
@@ -99,6 +99,8 @@
  */
 void oprofile_add_ext_sample(unsigned long pc, struct pt_regs * const regs,
 				unsigned long event, int is_kernel);
+void oprofile_add_ext_sample_cpu(unsigned long pc, struct pt_regs * const regs,
+				unsigned long event, int is_kernel, int cpu);
 
 /* Use this instead when the PC value is not from the regs. Doesn't
  * backtrace. */
diff -ruN linux-2.6.30.10/include/linux/serial_core.h linux-2.6.30.10-ubi/include/linux/serial_core.h
--- linux-2.6.30.10/include/linux/serial_core.h	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/include/linux/serial_core.h	2009-12-11 11:45:23.000000000 +0200
@@ -167,6 +167,9 @@
 /* MAX3100 */
 #define PORT_MAX3100    86
 
+/* Ubicom32 */
+#define PORT_UBI32_UARTTIO	87
+
 #ifdef __KERNEL__
 
 #include <linux/compiler.h>
diff -ruN linux-2.6.30.10/include/linux/slab.h linux-2.6.30.10-ubi/include/linux/slab.h
--- linux-2.6.30.10/include/linux/slab.h	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/include/linux/slab.h	2009-12-11 11:45:23.000000000 +0200
@@ -317,4 +317,14 @@
 	return kmalloc_node(size, flags | __GFP_ZERO, node);
 }
 
+struct kmem_cache_size_info {
+	unsigned short page;
+	unsigned short order;
+};
+
+/*
+ * get info on all the memory allocated by slab for this named cache
+ */
+extern int kmem_cache_block_info(char *name, struct kmem_cache_size_info *data, int max_data);
+
 #endif	/* _LINUX_SLAB_H */
diff -ruN linux-2.6.30.10/init/Kconfig linux-2.6.30.10-ubi/init/Kconfig
--- linux-2.6.30.10/init/Kconfig	2009-12-14 13:00:08.000000000 +0200
+++ linux-2.6.30.10-ubi/init/Kconfig	2009-12-14 13:00:11.000000000 +0200
@@ -865,6 +865,12 @@
 	help
 	  Enable support for generating core dumps. Disabling saves about 4k.
 
+config USER_ELF_CORE_SIZE
+	int "user core dump size (10MB to 32MB)"
+	range 10485760 33554432
+	default 16777216
+	depends on ELF_CORE
+
 config PCSPKR_PLATFORM
 	bool "Enable PC-Speaker support" if EMBEDDED
 	depends on ALPHA || X86 || MIPS || PPC_PREP || PPC_CHRP || PPC_PSERIES
diff -ruN linux-2.6.30.10/kernel/module.c linux-2.6.30.10-ubi/kernel/module.c
--- linux-2.6.30.10/kernel/module.c	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/kernel/module.c	2009-12-11 11:45:24.000000000 +0200
@@ -2688,6 +2688,9 @@
 	/* Used by oprofile and other similar tools. */
 	seq_printf(m, " 0x%p", mod->module_core);
 
+#ifdef ARCH_PROC_MODULES_EXTRA
+	ARCH_PROC_MODULES_EXTRA(m, mod);
+#endif
 	/* Taints info */
 	if (mod->taints)
 		seq_printf(m, " %s", module_flags(mod, buf));
@@ -2840,8 +2843,12 @@
 	printk("Modules linked in:");
 	/* Most callers should already have preempt disabled, but make sure */
 	preempt_disable();
-	list_for_each_entry_rcu(mod, &modules, list)
+	list_for_each_entry_rcu(mod, &modules, list) {
 		printk(" %s%s", mod->name, module_flags(mod, buf));
+#ifdef ARCH_OOPS_MODULE_EXTRA
+		ARCH_OOPS_MODULE_EXTRA(mod);
+#endif
+	}
 	preempt_enable();
 	if (last_unloaded_module[0])
 		printk(" [last unloaded: %s]", last_unloaded_module);
diff -ruN linux-2.6.30.10/kernel/sched_clock.c linux-2.6.30.10-ubi/kernel/sched_clock.c
--- linux-2.6.30.10/kernel/sched_clock.c	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/kernel/sched_clock.c	2009-12-11 11:45:24.000000000 +0200
@@ -38,8 +38,7 @@
  */
 unsigned long long __attribute__((weak)) sched_clock(void)
 {
-	return (unsigned long long)(jiffies - INITIAL_JIFFIES)
-					* (NSEC_PER_SEC / HZ);
+	return (get_jiffies_64() - INITIAL_JIFFIES) * (NSEC_PER_SEC / HZ);
 }
 
 static __read_mostly int sched_clock_running;
diff -ruN linux-2.6.30.10/lib/Kconfig.debug linux-2.6.30.10-ubi/lib/Kconfig.debug
--- linux-2.6.30.10/lib/Kconfig.debug	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/lib/Kconfig.debug	2009-12-11 11:45:24.000000000 +0200
@@ -621,7 +621,7 @@
 	bool "Compile the kernel with frame pointers"
 	depends on DEBUG_KERNEL && \
 		(CRIS || M68K || M68KNOMMU || FRV || UML || \
-		 AVR32 || SUPERH || BLACKFIN || MN10300) || \
+		 AVR32 || SUPERH || BLACKFIN || MN10300 || UBICOM32) || \
 		ARCH_WANT_FRAME_POINTERS
 	default y if (DEBUG_INFO && UML) || ARCH_WANT_FRAME_POINTERS
 	help
diff -ruN linux-2.6.30.10/mm/Makefile linux-2.6.30.10-ubi/mm/Makefile
--- linux-2.6.30.10/mm/Makefile	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/mm/Makefile	2009-12-11 11:45:24.000000000 +0200
@@ -38,3 +38,5 @@
 endif
 obj-$(CONFIG_QUICKLIST) += quicklist.o
 obj-$(CONFIG_CGROUP_MEM_RES_CTLR) += memcontrol.o page_cgroup.o
+
+CFLAGS_slab.o := $(PROFILING) -O2
diff -ruN linux-2.6.30.10/mm/slab.c linux-2.6.30.10-ubi/mm/slab.c
--- linux-2.6.30.10/mm/slab.c	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/mm/slab.c	2009-12-11 11:45:24.000000000 +0200
@@ -4100,6 +4100,68 @@
 
 #ifdef CONFIG_SLABINFO
 
+
+/*
+ * get info on all the memory allocated by slab for this named cache
+ */
+int kmem_cache_block_info(char *name, struct kmem_cache_size_info *data, int max_data)
+{
+	int res = 0;
+	int found = 0;
+	int node;
+	struct kmem_cache *cachep;
+	struct kmem_list3 *l3;
+	struct slab *slabp;
+
+	/* Find the cache in the chain of caches. */
+	mutex_lock(&cache_chain_mutex);
+	list_for_each_entry(cachep, &cache_chain, next) {
+		if (strcmp(cachep->name, name) == 0) {
+			found = 1;
+			break;
+		}
+	}
+	mutex_unlock(&cache_chain_mutex);
+	if (!found) {
+		return 0;
+	}
+	for_each_online_node(node) {
+		l3 = cachep->nodelists[node];
+		if (!l3)
+			continue;
+		if (res >= max_data)
+			break;
+		check_irq_on();
+		spin_lock_irq(&l3->list_lock);
+
+		list_for_each_entry(slabp, &l3->slabs_full, list) {
+			if (res >= max_data)
+				break;
+			data[res].page = ((unsigned int)slabp->s_mem >> PAGE_SHIFT) & 0xffff;
+			data[res].order = cachep->gfporder;
+			res++;
+		}
+		list_for_each_entry(slabp, &l3->slabs_partial, list) {
+			if (res >= max_data)
+				break;
+			data[res].page = ((unsigned int)slabp->s_mem >> PAGE_SHIFT) & 0xffff;
+			data[res].order = cachep->gfporder;
+			res++;
+		}
+		list_for_each_entry(slabp, &l3->slabs_free, list) {
+			if (res >= max_data)
+				break;
+			data[res].page = ((unsigned int)slabp->s_mem >> PAGE_SHIFT) & 0xffff;
+			data[res].order = cachep->gfporder;
+			res++;
+		}
+
+		spin_unlock_irq(&l3->list_lock);
+	}
+
+	return res;
+}
+
 static void print_slabinfo_header(struct seq_file *m)
 {
 	/*
diff -ruN linux-2.6.30.10/scripts/mod/file2alias.c linux-2.6.30.10-ubi/scripts/mod/file2alias.c
--- linux-2.6.30.10/scripts/mod/file2alias.c	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/scripts/mod/file2alias.c	2009-12-11 11:45:24.000000000 +0200
@@ -774,6 +774,15 @@
 			+ sym->st_value;
 	}
 
+	/*
+	 * somehow our gcc is not generating st_size correctly and set 0 for some symbols.
+	 * and 0 size will break do_table since it adjust size to (size - id_size)
+	 * this is to make sure st_size fall in range.
+	 */
+	if (sym->st_size == 0 || sym->st_size > info->sechdrs[sym->st_shndx].sh_size) {
+		sym->st_size = info->sechdrs[sym->st_shndx].sh_size;
+	}
+
 	if (sym_is(symname, "__mod_pci_device_table"))
 		do_table(symval, sym->st_size,
 			 sizeof(struct pci_device_id), "pci",
diff -ruN linux-2.6.30.10/sound/Kconfig linux-2.6.30.10-ubi/sound/Kconfig
--- linux-2.6.30.10/sound/Kconfig	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/sound/Kconfig	2009-12-11 11:45:24.000000000 +0200
@@ -82,6 +82,8 @@
 
 source "sound/soc/Kconfig"
 
+source "sound/ubicom32/Kconfig"
+
 endif # SND
 
 menuconfig SOUND_PRIME
diff -ruN linux-2.6.30.10/sound/Makefile linux-2.6.30.10-ubi/sound/Makefile
--- linux-2.6.30.10/sound/Makefile	2009-12-04 08:00:07.000000000 +0200
+++ linux-2.6.30.10-ubi/sound/Makefile	2009-12-11 11:45:24.000000000 +0200
@@ -6,7 +6,7 @@
 obj-$(CONFIG_SOUND_PRIME) += oss/
 obj-$(CONFIG_DMASOUND) += oss/
 obj-$(CONFIG_SND) += core/ i2c/ drivers/ isa/ pci/ ppc/ arm/ sh/ synth/ usb/ \
-	sparc/ spi/ parisc/ pcmcia/ mips/ soc/ atmel/
+	sparc/ spi/ parisc/ pcmcia/ mips/ soc/ atmel/ ubicom32/
 obj-$(CONFIG_SND_AOA) += aoa/
 
 # This one must be compilable even if sound is configured out
diff -ruN linux-2.6.30.10/sound/ubicom32/Kconfig linux-2.6.30.10-ubi/sound/ubicom32/Kconfig
--- linux-2.6.30.10/sound/ubicom32/Kconfig	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/sound/ubicom32/Kconfig	2009-12-11 11:45:25.000000000 +0200
@@ -0,0 +1,42 @@
+# ALSA Ubicom32 drivers
+
+menuconfig SND_UBI32
+	tristate "Ubicom32 sound devices"
+	select SND_PCM
+	default n
+	help
+	  Say Y here to include support for audio on the Ubicom32 platform.
+	  To compile this driver as a module, say M here: the module will be
+	  called snd_ubi32.
+
+if SND_UBI32
+
+config SND_UBI32_AUDIO_GENERIC_CAPTURE
+	bool "Generic Capture Support"
+	default n
+	help
+	  Use this option to support ADCs which don't require special drivers.
+
+config SND_UBI32_AUDIO_GENERIC
+	bool "Generic Playback Support"
+	default n
+	help
+	  Use this option to support DACs which don't require special drivers.
+
+comment "I2C Based Codecs"
+
+config SND_UBI32_AUDIO_CS4350
+	bool "Cirrus Logic CS4350 DAC"
+	depends on I2C
+	default n
+	help
+	  Support for the Cirrus Logic CS4350 DAC.
+
+config SND_UBI32_AUDIO_CS4384
+	bool "Cirrus Logic CS4384 DAC"
+	depends on I2C
+	default n
+	help
+	  Support for the Cirrus Logic CS4384 DAC.
+
+endif #SND_UBI32
diff -ruN linux-2.6.30.10/sound/ubicom32/Makefile linux-2.6.30.10-ubi/sound/ubicom32/Makefile
--- linux-2.6.30.10/sound/ubicom32/Makefile	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/sound/ubicom32/Makefile	2009-12-11 11:45:25.000000000 +0200
@@ -0,0 +1,41 @@
+#
+# sound/ubicom32/Makefile
+#	Makefile for ALSA
+#
+# (C) Copyright 2009, Ubicom, Inc.
+#
+# This file is part of the Ubicom32 Linux Kernel Port.
+#
+# The Ubicom32 Linux Kernel Port is free software: you can redistribute
+# it and/or modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation, either version 2 of the
+# License, or (at your option) any later version.
+#
+# The Ubicom32 Linux Kernel Port is distributed in the hope that it
+# will be useful, but WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+# the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with the Ubicom32 Linux Kernel Port.  If not,
+# see <http://www.gnu.org/licenses/>.
+#
+# Ubicom32 implementation derived from (with many thanks):
+#   arch/m68knommu
+#   arch/blackfin
+#   arch/parisc
+#
+
+CFLAGS_ubi32.o += -O2
+snd-ubi32-pcm-objs := ubi32-pcm.o
+snd-ubi32-generic-objs := ubi32-generic.o
+snd-ubi32-generic-capture-objs := ubi32-generic-capture.o
+snd-ubi32-cs4350-objs := ubi32-cs4350.o
+snd-ubi32-cs4384-objs := ubi32-cs4384.o
+
+# Toplevel Module Dependency
+obj-$(CONFIG_SND_UBI32) += snd-ubi32-pcm.o
+obj-$(CONFIG_SND_UBI32_AUDIO_GENERIC) += snd-ubi32-generic.o
+obj-$(CONFIG_SND_UBI32_AUDIO_GENERIC_CAPTURE) += snd-ubi32-generic-capture.o
+obj-$(CONFIG_SND_UBI32_AUDIO_CS4350) += snd-ubi32-cs4350.o
+obj-$(CONFIG_SND_UBI32_AUDIO_CS4384) += snd-ubi32-cs4384.o
diff -ruN linux-2.6.30.10/sound/ubicom32/ubi32-cs4350.c linux-2.6.30.10-ubi/sound/ubicom32/ubi32-cs4350.c
--- linux-2.6.30.10/sound/ubicom32/ubi32-cs4350.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/sound/ubicom32/ubi32-cs4350.c	2009-12-11 11:45:25.000000000 +0200
@@ -0,0 +1,583 @@
+/*
+ * sound/ubicom32/ubi32-cs4350.c
+ *	Interface to ubicom32 virtual audio peripheral - using CS4350 DAC
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <sound/core.h>
+#include <sound/tlv.h>
+#include <sound/control.h>
+#include <sound/pcm.h>
+#include <sound/initval.h>
+#include "ubi32.h"
+
+#define DRIVER_NAME "snd-ubi32-cs4350"
+
+/*
+ * Module properties
+ */
+static const struct i2c_device_id snd_ubi32_cs4350_id[] = {
+	{"cs4350", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, ubicom32audio_id);
+
+static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */
+
+/*
+ * The dB scale for the Cirrus Logic cs4350.  The output range is from
+ * -127.5 dB to 0 dB.
+ */
+static const DECLARE_TLV_DB_SCALE(snd_ubi32_cs4350_db, -12750, 50, 0);
+
+#define ubi32_cs4350_mute_info	snd_ctl_boolean_stereo_info
+
+/*
+ * Private data for cs4350 chip
+ */
+struct ubi32_cs4350_priv {
+	/*
+	 * The current volume settings
+	 */
+	uint8_t volume[2];
+
+	/*
+	 * Bitmask of mutes MSB (unused, ..., unused, right_ch, left_ch) LSB
+	 */
+	uint8_t mute;
+
+	/*
+	 * Lock to protect this struct because callbacks are not atomic.
+	 */
+	spinlock_t lock;
+};
+
+/*
+ * The info for the cs4350.  The volume currently has one channel,
+ * and 255 possible settings.
+ */
+static int ubi32_cs4350_volume_info(struct snd_kcontrol *kcontrol,
+				    struct snd_ctl_elem_info *uinfo)
+{
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+	uinfo->count = 2;
+	uinfo->value.integer.min = 0;
+	uinfo->value.integer.max = 255; // 8 bits in cirrus logic cs4350 volume register
+	return 0;
+}
+
+static int ubi32_cs4350_volume_get(struct snd_kcontrol *kcontrol,
+				   struct snd_ctl_elem_value *ucontrol)
+{
+	struct ubi32_snd_priv *ubi32_priv = snd_kcontrol_chip(kcontrol);
+	struct ubi32_cs4350_priv *cs4350_priv;
+	unsigned long flags;
+
+	cs4350_priv = snd_ubi32_priv_get_drv(ubi32_priv);
+
+	spin_lock_irqsave(&cs4350_priv->lock, flags);
+
+	ucontrol->value.integer.value[0] = cs4350_priv->volume[0];
+	ucontrol->value.integer.value[1] = cs4350_priv->volume[1];
+
+	spin_unlock_irqrestore(&cs4350_priv->lock, flags);
+
+	return 0;
+}
+
+static int ubi32_cs4350_volume_put(struct snd_kcontrol *kcontrol,
+				   struct snd_ctl_elem_value *ucontrol)
+{
+	struct ubi32_snd_priv *ubi32_priv = snd_kcontrol_chip(kcontrol);
+	struct i2c_client *client = (struct i2c_client *)ubi32_priv->client;
+	struct ubi32_cs4350_priv *cs4350_priv;
+	unsigned long flags;
+	int ret, changed;
+	char send[2];
+	uint8_t volume_reg_value_left, volume_reg_value_right;
+
+	changed = 0;
+
+	cs4350_priv = snd_ubi32_priv_get_drv(ubi32_priv);
+	volume_reg_value_left = 255 - (ucontrol->value.integer.value[0] & 0xFF);
+	volume_reg_value_right = 255 - (ucontrol->value.integer.value[1] & 0xFF);
+
+#if SND_UBI32_DEBUG
+	snd_printk(KERN_INFO "Setting volume: writing %d,%d to CS4350 volume registers\n", volume_reg_value_left, volume_reg_value_right);
+#endif
+	spin_lock_irqsave(&cs4350_priv->lock, flags);
+
+	if (cs4350_priv->volume[0] != ucontrol->value.integer.value[0]) {
+		send[0] = 0x05; // left channel
+		send[1] = volume_reg_value_left;
+		ret = i2c_master_send(client, send, 2);
+		if (ret != 2) {
+			snd_printk(KERN_ERR "Failed to set channel A volume on CS4350\n");
+			return changed;
+		}
+		cs4350_priv->volume[0] = ucontrol->value.integer.value[0];
+		changed = 1;
+	}
+
+	if (cs4350_priv->volume[1] != ucontrol->value.integer.value[1]) {
+		send[0] = 0x06; // right channel
+		send[1] = volume_reg_value_right;
+		ret = i2c_master_send(client, send, 2);
+		if (ret != 2) {
+			snd_printk(KERN_ERR "Failed to set channel B volume on CS4350\n");
+			return changed;
+		}
+		cs4350_priv->volume[1] = ucontrol->value.integer.value[1];
+		changed = 1;
+	}
+
+	spin_unlock_irqrestore(&cs4350_priv->lock, flags);
+
+	return changed;
+}
+
+static struct snd_kcontrol_new ubi32_cs4350_volume __devinitdata = {
+	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+		  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
+	.name = "PCM Playback Volume",
+	.info = ubi32_cs4350_volume_info,
+	.get = ubi32_cs4350_volume_get,
+	.put = ubi32_cs4350_volume_put,
+	.tlv.p = snd_ubi32_cs4350_db,
+};
+
+static int ubi32_cs4350_mute_get(struct snd_kcontrol *kcontrol,
+				 struct snd_ctl_elem_value *ucontrol)
+{
+	struct ubi32_snd_priv *ubi32_priv = snd_kcontrol_chip(kcontrol);
+	struct ubi32_cs4350_priv *cs4350_priv;
+	unsigned long flags;
+
+	cs4350_priv = snd_ubi32_priv_get_drv(ubi32_priv);
+
+	spin_lock_irqsave(&cs4350_priv->lock, flags);
+
+	ucontrol->value.integer.value[0] = cs4350_priv->mute & 1;
+	ucontrol->value.integer.value[1] = (cs4350_priv->mute & (1 << 1)) ? 1 : 0;
+
+	spin_unlock_irqrestore(&cs4350_priv->lock, flags);
+
+	return 0;
+}
+
+static int ubi32_cs4350_mute_put(struct snd_kcontrol *kcontrol,
+				 struct snd_ctl_elem_value *ucontrol)
+{
+	struct ubi32_snd_priv *ubi32_priv = snd_kcontrol_chip(kcontrol);
+	struct i2c_client *client = (struct i2c_client *)ubi32_priv->client;
+	struct ubi32_cs4350_priv *cs4350_priv;
+	unsigned long flags;
+	int ret, changed;
+	char send[2];
+	char recv[1];
+	uint8_t mute;
+
+        changed = 0;
+
+	cs4350_priv = snd_ubi32_priv_get_drv(ubi32_priv);
+
+	spin_lock_irqsave(&cs4350_priv->lock, flags);
+
+	if ((cs4350_priv->mute & 1) != ucontrol->value.integer.value[0]) {
+		send[0] = 0x04;
+		ret = i2c_master_send(client, send, 1);
+		if (ret != 1) {
+			snd_printk(KERN_ERR "Failed to write to mute register: channel 0\n");
+			return changed;
+		}
+
+		ret = i2c_master_recv(client, recv, 1);
+		if (ret != 1) {
+			snd_printk(KERN_ERR "Failed to read mute register: channel 0\n");
+			return changed;
+		}
+
+		mute = recv[0];
+
+		if (ucontrol->value.integer.value[0]) {
+			cs4350_priv->mute |= 1;
+			mute &= ~(1 << 4);
+#if SND_UBI32_DEBUG
+			snd_printk(KERN_INFO "Unmuted channel A\n");
+#endif
+		} else {
+			cs4350_priv->mute &= ~1;
+			mute |= (1 << 4);
+#if SND_UBI32_DEBUG
+			snd_printk(KERN_INFO "Muted channel A\n");
+#endif
+		}
+
+		send[0] = 0x04;
+		send[1] = mute;
+		ret = i2c_master_send(client, send, 2);
+		if (ret != 2) {
+			snd_printk(KERN_ERR "Failed to set channel A mute on CS4350\n");
+			return changed;
+		}
+		changed = 1;
+	}
+
+	if (((cs4350_priv->mute & 2) >> 1) != ucontrol->value.integer.value[1]) {
+		send[0] = 0x04;
+		ret = i2c_master_send(client, send, 1);
+		if (ret != 1) {
+			snd_printk(KERN_ERR "Failed to write to mute register: channel 1\n");
+			return changed;
+		}
+
+		ret = i2c_master_recv(client, recv, 1);
+		if (ret != 1) {
+			snd_printk(KERN_ERR "Failed to read mute register: channel 1\n");
+			return changed;
+		}
+
+		mute = recv[0];
+
+		if (ucontrol->value.integer.value[1]) {
+			cs4350_priv->mute |= (1 << 1);
+			mute &= ~(1 << 3);
+#if SND_UBI32_DEBUG
+			snd_printk(KERN_INFO "Unmuted channel B\n");
+#endif
+		} else {
+			cs4350_priv->mute &= ~(1 << 1);
+			mute |= (1 << 3);
+#if SND_UBI32_DEBUG
+			snd_printk(KERN_INFO "Muted channel B\n");
+#endif
+		}
+
+		send[0] = 0x04;
+		send[1] = mute;
+		ret = i2c_master_send(client, send, 2);
+		if (ret != 2) {
+			snd_printk(KERN_ERR "Failed to set channel A mute on CS4350\n");
+			return changed;
+		}
+		changed = 1;
+	}
+
+	spin_unlock_irqrestore(&cs4350_priv->lock, flags);
+
+	return changed;
+}
+
+static struct snd_kcontrol_new ubi32_cs4350_mute __devinitdata = {
+	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
+	.name = "PCM Playback Switch",
+	.info = ubi32_cs4350_mute_info,
+	.get = ubi32_cs4350_mute_get,
+	.put = ubi32_cs4350_mute_put,
+};
+
+/*
+ * snd_ubi32_cs4350_free
+ *	Card private data free function
+ */
+void snd_ubi32_cs4350_free(struct snd_card *card)
+{
+	struct ubi32_snd_priv *ubi32_priv;
+	struct ubi32_cs4350_priv *cs4350_priv;
+
+	ubi32_priv = card->private_data;
+	cs4350_priv = snd_ubi32_priv_get_drv(ubi32_priv);
+	if (cs4350_priv) {
+		kfree(cs4350_priv);
+	}
+}
+
+/*
+ * snd_ubi32_cs4350_dac_init
+ */
+static int snd_ubi32_cs4350_dac_init(struct i2c_client *client, const struct i2c_device_id *id)
+{
+	int ret;
+	char send[2];
+	char recv[8];
+
+	/*
+	 * Initialize the CS4350 DAC over the I2C interface
+	 */
+	snd_printk(KERN_INFO "Initializing CS4350 DAC\n");
+
+	/*
+	 * Register 0x01: device/revid
+	 */
+	send[0] = 0x01;
+	ret = i2c_master_send(client, send, 1);
+	if (ret != 1) {
+		snd_printk(KERN_ERR "Failed 1st attempt to write to CS4350 register 0x01\n");
+		goto fail;
+	}
+	ret = i2c_master_recv(client, recv, 1);
+	if (ret != 1) {
+		snd_printk(KERN_ERR "Failed initial read of CS4350 registers\n");
+		goto fail;
+	}
+	snd_printk(KERN_INFO "CS4350 DAC Device/Rev: %08x\n", recv[0]);
+
+	/*
+	 * Register 0x02: Mode control
+	 *	I2S DIF[2:0] = 001, no De-Emphasis, Auto speed mode
+	 */
+	send[0] = 0x02;
+	send[1] = 0x10;
+	ret = i2c_master_send(client, send, 2);
+	if (ret != 2) {
+		snd_printk(KERN_ERR "Failed to set CS4350 to I2S mode\n");
+		goto fail;
+	}
+
+	/*
+	 * Register 0x05/0x06: Volume control
+	 *	Channel A volume set to 0 dB
+	 *	Channel B volume set to 0 dB
+	 */
+	send[0] = 0x05;
+	send[1] = 0x00;
+	ret = i2c_master_send(client, send, 2);
+	if (ret != 2) {
+		snd_printk(KERN_ERR "Failed to set channel A volume on CS4350\n");
+		goto fail;
+	}
+
+	send[0] = 0x06;
+	send[1] = 0x00;
+	ret = i2c_master_send(client, send, 2);
+	if (ret != 2) {
+		snd_printk(KERN_ERR "Failed to set channel A volume on CS4350\n");
+		goto fail;
+	}
+
+	/*
+	 * Make sure the changes took place, this helps verify we are talking to
+	 * the correct chip.
+	 */
+	send[0] = 0x81;
+	ret = i2c_master_send(client, send, 1);
+	if (ret != 1) {
+		snd_printk(KERN_ERR "Failed to initiate readback\n");
+		goto fail;
+	}
+
+	ret = i2c_master_recv(client, recv, 8);
+	if (ret != 8) {
+		snd_printk(KERN_ERR "Failed second read of CS4350 registers\n");
+		goto fail;
+	}
+
+	if ((recv[1] != 0x10) || (recv[4] != 0x00) || (recv[5] != 0x00)) {
+		snd_printk(KERN_ERR "Failed to initialize CS4350 DAC\n");
+		goto fail;
+	}
+
+	snd_printk(KERN_INFO "CS4350 DAC Initialized\n");
+	return 0;
+
+fail:
+	return -ENODEV;
+}
+
+/*
+ * snd_ubi32_cs4350_i2c_probe
+ */
+static int snd_ubi32_cs4350_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id)
+{
+	struct snd_card *card;
+	struct ubi32_snd_priv *ubi32_priv;
+	struct ubi32_cs4350_priv *cs4350_priv;
+	int err, ret;
+	struct platform_device *pdev;
+
+	pdev = client->dev.platform_data;
+	if (!pdev) {
+		return -ENODEV;
+	}
+
+	/*
+	 * Initialize the CS4350 DAC
+	 */
+	ret = snd_ubi32_cs4350_dac_init(client, id);
+	if (ret < 0) {
+		/*
+		 * Initialization failed.  Propagate the error.
+		 */
+		return ret;
+	}
+
+	/*
+	 * Create a snd_card structure
+	 */
+	card = snd_card_new(index, "Ubi32-CS4350", THIS_MODULE, sizeof(struct ubi32_snd_priv));
+	if (card == NULL) {
+		return -ENOMEM;
+	}
+
+	card->private_free = snd_ubi32_cs4350_free; /* Not sure if correct */
+	ubi32_priv = card->private_data;
+
+	/*
+	 * CS4350 DAC has a minimum sample rate of 30khz and an
+	 * upper limit of 216khz for it's auto-detect.
+	 */
+	ubi32_priv->min_sample_rate = 30000;
+	ubi32_priv->max_sample_rate = 216000;
+
+	/*
+	 * Initialize the snd_card's private data structure
+	 */
+	ubi32_priv->card = card;
+	ubi32_priv->client = client;
+
+	/*
+	 * Create our private data structure
+	 */
+	cs4350_priv = kzalloc(sizeof(struct ubi32_cs4350_priv), GFP_KERNEL);
+	if (!cs4350_priv) {
+		snd_card_free(card);
+		return -ENOMEM;
+	}
+	snd_ubi32_priv_set_drv(ubi32_priv, cs4350_priv);
+	spin_lock_init(&cs4350_priv->lock);
+
+	/*
+	 * Initial volume is set to max by probe function
+	 */
+	cs4350_priv->volume[0] = 0xFF;
+	cs4350_priv->volume[1] = 0xFF;
+
+	/*
+	 * The CS4350 starts off unmuted (bit set = not muted)
+	 */
+	cs4350_priv->mute = 3;
+
+	/*
+	 * Create the new PCM instance
+	 */
+	err = snd_ubi32_pcm_probe(ubi32_priv, pdev);
+	if (err < 0) {
+		snd_card_free(card);
+		return err; /* What is err?  Need to include correct file */
+	}
+
+	strcpy(card->driver, "Ubi32-CS4350");
+	strcpy(card->shortname, "Ubi32-CS4350");
+	snprintf(card->longname, sizeof(card->longname),
+		"%s at sendirq=%d.%d recvirq=%d.%d regs=%p",
+		card->shortname, ubi32_priv->tx_irq, ubi32_priv->irq_idx,
+		ubi32_priv->rx_irq, ubi32_priv->irq_idx, ubi32_priv->adr);
+
+	snd_card_set_dev(card, &client->dev);
+
+	/*
+	 * Set up the mixer components
+	 */
+	err = snd_ctl_add(card, snd_ctl_new1(&ubi32_cs4350_volume, ubi32_priv));
+	if (err) {
+		snd_printk(KERN_WARNING "Failed to add volume mixer control\n");
+	}
+	err = snd_ctl_add(card, snd_ctl_new1(&ubi32_cs4350_mute, ubi32_priv));
+	if (err) {
+		snd_printk(KERN_WARNING "Failed to add mute mixer control\n");
+	}
+
+	/*
+	 * Register the sound card
+	 */
+	if ((err = snd_card_register(card)) != 0) {
+		snd_printk(KERN_WARNING "snd_card_register error\n");
+	}
+
+	/*
+	 * Store card for access from other methods
+	 */
+	i2c_set_clientdata(client, card);
+
+	return 0;
+}
+
+/*
+ * snd_ubi32_cs4350_i2c_remove
+ */
+static int __devexit snd_ubi32_cs4350_i2c_remove(struct i2c_client *client)
+{
+	struct snd_card *card;
+	struct ubi32_snd_priv *ubi32_priv;
+
+	card = i2c_get_clientdata(client);
+
+	ubi32_priv = card->private_data;
+	snd_ubi32_pcm_remove(ubi32_priv);
+
+	snd_card_free(i2c_get_clientdata(client));
+	i2c_set_clientdata(client, NULL);
+
+	return 0;
+}
+
+/*
+ * I2C driver description
+ */
+static struct i2c_driver snd_ubi32_cs4350_driver = {
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+	},
+	.id_table	= snd_ubi32_cs4350_id,
+	.probe		= snd_ubi32_cs4350_i2c_probe,
+	.remove		= __devexit_p(snd_ubi32_cs4350_i2c_remove),
+};
+
+/*
+ * Driver init
+ */
+static int __init snd_ubi32_cs4350_init(void)
+{
+	return i2c_add_driver(&snd_ubi32_cs4350_driver);
+}
+module_init(snd_ubi32_cs4350_init);
+
+/*
+ * snd_ubi32_cs4350_exit
+ */
+static void __exit snd_ubi32_cs4350_exit(void)
+{
+	i2c_del_driver(&snd_ubi32_cs4350_driver);
+}
+module_exit(snd_ubi32_cs4350_exit);
+
+/*
+ * Module properties
+ */
+MODULE_ALIAS("i2c:" DRIVER_NAME);
+MODULE_AUTHOR("Patrick Tjin");
+MODULE_DESCRIPTION("Driver for Ubicom32 audio devices CS4350");
+MODULE_LICENSE("GPL");
diff -ruN linux-2.6.30.10/sound/ubicom32/ubi32-cs4384.c linux-2.6.30.10-ubi/sound/ubicom32/ubi32-cs4384.c
--- linux-2.6.30.10/sound/ubicom32/ubi32-cs4384.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/sound/ubicom32/ubi32-cs4384.c	2009-12-11 11:45:25.000000000 +0200
@@ -0,0 +1,996 @@
+/*
+ * sound/ubicom32/ubi32-cs4384.c
+ *	Interface to ubicom32 virtual audio peripheral - using CS4384 DAC
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/delay.h>
+#include <sound/core.h>
+#include <sound/tlv.h>
+#include <sound/control.h>
+#include <sound/pcm.h>
+#include <sound/initval.h>
+#include <asm/ip5000.h>
+#include <asm/gpio.h>
+#include <asm/audio.h>
+#include <asm/ubi32-cs4384.h>
+#include "ubi32.h"
+
+#define DRIVER_NAME "snd-ubi32-cs4384"
+
+/*
+ * Module properties
+ */
+static const struct i2c_device_id snd_ubi32_cs4384_id[] = {
+	{"cs4384", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, ubicom32audio_id);
+
+static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */
+
+/*
+ * Mixer properties
+ */
+enum {
+	/*
+	 * Be careful of changing the order of these IDs, they
+	 * are used to index the volume array.
+	 */
+	SND_UBI32_CS4384_FRONT_ID,
+	SND_UBI32_CS4384_SURROUND_ID,
+	SND_UBI32_CS4384_CENTER_ID,
+	SND_UBI32_CS4384_LFE_ID,
+	SND_UBI32_CS4384_REAR_ID,
+
+	/*
+	 * This should be the last ID
+	 */
+	SND_UBI32_CS4384_LAST_ID,
+};
+static const u8_t snd_ubi32_cs4384_ch_ofs[] = {0, 2, 4, 5, 6};
+
+static const DECLARE_TLV_DB_SCALE(snd_ubi32_cs4384_db, -12750, 50, 0);
+
+#define snd_ubi32_cs4384_info_mute 	snd_ctl_boolean_stereo_info
+#define snd_ubi32_cs4384_info_mute_mono	snd_ctl_boolean_mono_info
+
+/*
+ * Mixer controls
+ */
+static int snd_ubi32_cs4384_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo);
+static int snd_ubi32_cs4384_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
+static int snd_ubi32_cs4384_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
+static int snd_ubi32_cs4384_get_mute(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
+static int snd_ubi32_cs4384_put_mute(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
+
+/*
+ * Make sure to update these if the structure below is changed
+ */
+#define SND_UBI32_MUTE_CTL_START	5
+#define SND_UBI32_MUTE_CTL_END		9
+static struct snd_kcontrol_new snd_ubi32_cs4384_controls[] __devinitdata = {
+	{
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+			  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
+		.name = "Front Playback Volume",
+		.info = snd_ubi32_cs4384_info_volume,
+		.get = snd_ubi32_cs4384_get_volume,
+		.put = snd_ubi32_cs4384_put_volume,
+		.private_value = SND_UBI32_CS4384_FRONT_ID,
+		.tlv = {
+			.p = snd_ubi32_cs4384_db,
+		},
+	},
+	{
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+			  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
+		.name = "Surround Playback Volume",
+		.info = snd_ubi32_cs4384_info_volume,
+		.get = snd_ubi32_cs4384_get_volume,
+		.put = snd_ubi32_cs4384_put_volume,
+		.private_value = SND_UBI32_CS4384_SURROUND_ID,
+		.tlv = {
+			.p = snd_ubi32_cs4384_db,
+		},
+	},
+	{
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+			  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
+		.name = "Center Playback Volume",
+		.info = snd_ubi32_cs4384_info_volume,
+		.get = snd_ubi32_cs4384_get_volume,
+		.put = snd_ubi32_cs4384_put_volume,
+		.private_value = SND_UBI32_CS4384_CENTER_ID,
+		.tlv = {
+			.p = snd_ubi32_cs4384_db,
+		},
+	},
+	{
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+			  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
+		.name = "LFE Playback Volume",
+		.info = snd_ubi32_cs4384_info_volume,
+		.get = snd_ubi32_cs4384_get_volume,
+		.put = snd_ubi32_cs4384_put_volume,
+		.private_value = SND_UBI32_CS4384_LFE_ID,
+		.tlv = {
+			.p = snd_ubi32_cs4384_db,
+		},
+	},
+	{
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+			  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
+		.name = "Rear Playback Volume",
+		.info = snd_ubi32_cs4384_info_volume,
+		.get = snd_ubi32_cs4384_get_volume,
+		.put = snd_ubi32_cs4384_put_volume,
+		.private_value = SND_UBI32_CS4384_REAR_ID,
+		.tlv = {
+			.p = snd_ubi32_cs4384_db,
+		},
+	},
+	{
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+			  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
+		.name = "Front Playback Switch",
+		.info = snd_ubi32_cs4384_info_mute,
+		.get = snd_ubi32_cs4384_get_mute,
+		.put = snd_ubi32_cs4384_put_mute,
+		.private_value = SND_UBI32_CS4384_FRONT_ID,
+	},
+	{
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+			  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
+		.name = "Surround Playback Switch",
+		.info = snd_ubi32_cs4384_info_mute,
+		.get = snd_ubi32_cs4384_get_mute,
+		.put = snd_ubi32_cs4384_put_mute,
+		.private_value = SND_UBI32_CS4384_SURROUND_ID,
+	},
+	{
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+			  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
+		.name = "Center Playback Switch",
+		.info = snd_ubi32_cs4384_info_mute_mono,
+		.get = snd_ubi32_cs4384_get_mute,
+		.put = snd_ubi32_cs4384_put_mute,
+		.private_value = SND_UBI32_CS4384_CENTER_ID,
+	},
+	{
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+			  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
+		.name = "LFE Playback Switch",
+		.info = snd_ubi32_cs4384_info_mute_mono,
+		.get = snd_ubi32_cs4384_get_mute,
+		.put = snd_ubi32_cs4384_put_mute,
+		.private_value = SND_UBI32_CS4384_LFE_ID,
+	},
+	{
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+			  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
+		.name = "Rear Playback Switch",
+		.info = snd_ubi32_cs4384_info_mute,
+		.get = snd_ubi32_cs4384_get_mute,
+		.put = snd_ubi32_cs4384_put_mute,
+		.private_value = SND_UBI32_CS4384_REAR_ID,
+	},
+};
+
+/*
+ * Our private data
+ */
+struct snd_ubi32_cs4384_priv {
+	/*
+	 * Array of current volumes
+	 *	(L, R, SL, SR, C, LFE, RL, RR)
+	 */
+	uint8_t	volume[8];
+
+	/*
+	 * Bitmask of mutes
+	 *	MSB (RR, RL, LFE, C, SR, SL, R, L) LSB
+	 */
+	uint8_t mute;
+
+	/*
+	 * Array of controls
+	 */
+	struct snd_kcontrol *kctls[ARRAY_SIZE(snd_ubi32_cs4384_controls)];
+
+	/*
+	 * Lock to protect our card
+	 */
+	spinlock_t lock;
+};
+
+/*
+ * snd_ubi32_cs4384_info_volume
+ */
+static int snd_ubi32_cs4384_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+	unsigned int id = (unsigned int)kcontrol->private_value;
+
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+	uinfo->count = 1;
+	if ((id != SND_UBI32_CS4384_LFE_ID) &&
+	    (id != SND_UBI32_CS4384_CENTER_ID)) {
+		uinfo->count = 2;
+	}
+	uinfo->value.integer.min = 0;
+	uinfo->value.integer.max = 255;
+	return 0;
+}
+
+/*
+ * snd_ubi32_cs4384_get_volume
+ */
+static int snd_ubi32_cs4384_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct ubi32_snd_priv *priv = snd_kcontrol_chip(kcontrol);
+	struct snd_ubi32_cs4384_priv *cs4384_priv;
+	unsigned int id = (unsigned int)kcontrol->private_value;
+	int ch = snd_ubi32_cs4384_ch_ofs[id];
+	unsigned long flags;
+
+	if (id >= SND_UBI32_CS4384_LAST_ID) {
+		return -EINVAL;
+	}
+
+	cs4384_priv = snd_ubi32_priv_get_drv(priv);
+
+	spin_lock_irqsave(&cs4384_priv->lock, flags);
+
+	ucontrol->value.integer.value[0] = cs4384_priv->volume[ch];
+	if ((id != SND_UBI32_CS4384_LFE_ID) &&
+	    (id != SND_UBI32_CS4384_CENTER_ID)) {
+		ch++;
+		ucontrol->value.integer.value[1] = cs4384_priv->volume[ch];
+	}
+
+	spin_unlock_irqrestore(&cs4384_priv->lock, flags);
+
+	return 0;
+}
+
+/*
+ * snd_ubi32_cs4384_put_volume
+ */
+static int snd_ubi32_cs4384_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct ubi32_snd_priv *priv = snd_kcontrol_chip(kcontrol);
+	struct i2c_client *client = (struct i2c_client *)priv->client;
+	struct snd_ubi32_cs4384_priv *cs4384_priv;
+	unsigned int id = (unsigned int)kcontrol->private_value;
+	int ch = snd_ubi32_cs4384_ch_ofs[id];
+	unsigned long flags;
+	unsigned char send[3];
+	int nch;
+	int ret = -EINVAL;
+
+	if (id >= SND_UBI32_CS4384_LAST_ID) {
+		return -EINVAL;
+	}
+
+	cs4384_priv = snd_ubi32_priv_get_drv(priv);
+
+	spin_lock_irqsave(&cs4384_priv->lock, flags);
+
+	send[0] = 0;
+	switch (id) {
+	case SND_UBI32_CS4384_REAR_ID:
+		send[0] = 0x06;
+
+		/*
+		 * Fall through
+		 */
+
+	case SND_UBI32_CS4384_SURROUND_ID:
+		send[0] += 0x03;
+
+		/*
+		 * Fall through
+		 */
+
+	case SND_UBI32_CS4384_FRONT_ID:
+		send[0] += 0x8B;
+		nch = 2;
+		send[1] = 255 - (ucontrol->value.integer.value[0] & 0xFF);
+		send[2] = 255 - (ucontrol->value.integer.value[1] & 0xFF);
+		cs4384_priv->volume[ch++] = send[1];
+		cs4384_priv->volume[ch] = send[2];
+		break;
+
+	case SND_UBI32_CS4384_LFE_ID:
+		send[0] = 0x81;
+
+		/*
+		 * Fall through
+		 */
+
+	case SND_UBI32_CS4384_CENTER_ID:
+		send[0] += 0x11;
+		nch = 1;
+		send[1] = 255 - (ucontrol->value.integer.value[0] & 0xFF);
+		cs4384_priv->volume[ch] = send[1];
+		break;
+
+	default:
+		spin_unlock_irqrestore(&cs4384_priv->lock, flags);
+		goto done;
+
+	}
+
+	/*
+	 * Send the volume to the chip
+	 */
+	nch++;
+	ret = i2c_master_send(client, send, nch);
+	if (ret != nch) {
+		snd_printk(KERN_ERR "Failed to set volume on CS4384\n");
+	}
+
+done:
+	spin_unlock_irqrestore(&cs4384_priv->lock, flags);
+
+	return ret;
+}
+
+/*
+ * snd_ubi32_cs4384_get_mute
+ */
+static int snd_ubi32_cs4384_get_mute(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct ubi32_snd_priv *priv = snd_kcontrol_chip(kcontrol);
+	struct snd_ubi32_cs4384_priv *cs4384_priv;
+	unsigned int id = (unsigned int)kcontrol->private_value;
+	int ch = snd_ubi32_cs4384_ch_ofs[id];
+	unsigned long flags;
+
+	if (id >= SND_UBI32_CS4384_LAST_ID) {
+		return -EINVAL;
+	}
+
+	cs4384_priv = snd_ubi32_priv_get_drv(priv);
+
+	spin_lock_irqsave(&cs4384_priv->lock, flags);
+
+	ucontrol->value.integer.value[0] = !(cs4384_priv->mute & (1 << ch));
+
+	if ((id != SND_UBI32_CS4384_LFE_ID) &&
+	    (id != SND_UBI32_CS4384_CENTER_ID)) {
+		ch++;
+		ucontrol->value.integer.value[1] = !(cs4384_priv->mute & (1 << ch));
+	}
+
+	spin_unlock_irqrestore(&cs4384_priv->lock, flags);
+
+	return 0;
+}
+
+/*
+ * snd_ubi32_cs4384_put_mute
+ */
+static int snd_ubi32_cs4384_put_mute(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct ubi32_snd_priv *priv = snd_kcontrol_chip(kcontrol);
+	struct i2c_client *client = (struct i2c_client *)priv->client;
+	struct snd_ubi32_cs4384_priv *cs4384_priv;
+	unsigned int id = (unsigned int)kcontrol->private_value;
+	int ch = snd_ubi32_cs4384_ch_ofs[id];
+	unsigned long flags;
+	unsigned char send[2];
+	int ret = -EINVAL;
+
+	if (id >= SND_UBI32_CS4384_LAST_ID) {
+		return -EINVAL;
+	}
+
+	cs4384_priv = snd_ubi32_priv_get_drv(priv);
+
+	spin_lock_irqsave(&cs4384_priv->lock, flags);
+
+	if (ucontrol->value.integer.value[0]) {
+		cs4384_priv->mute &= ~(1 << ch);
+	} else {
+		cs4384_priv->mute |= (1 << ch);
+	}
+
+	if ((id != SND_UBI32_CS4384_LFE_ID) && (id != SND_UBI32_CS4384_CENTER_ID)) {
+		ch++;
+		if (ucontrol->value.integer.value[1]) {
+			cs4384_priv->mute &= ~(1 << ch);
+		} else {
+			cs4384_priv->mute |= (1 << ch);
+		}
+	}
+
+	/*
+	 * Update the chip's mute reigster
+	 */
+	send[0] = 0x09;
+	send[1] = cs4384_priv->mute;
+	ret = i2c_master_send(client, send, 2);
+	if (ret != 2) {
+		snd_printk(KERN_ERR "Failed to set mute on CS4384\n");
+	}
+
+	spin_unlock_irqrestore(&cs4384_priv->lock, flags);
+
+	return ret;
+}
+
+/*
+ * snd_ubi32_cs4384_mixer
+ *	Setup the mixer controls
+ */
+static int __devinit snd_ubi32_cs4384_mixer(struct ubi32_snd_priv *priv)
+{
+	struct snd_card *card = priv->card;
+	struct snd_ubi32_cs4384_priv *cs4384_priv;
+	int i;
+
+	cs4384_priv = snd_ubi32_priv_get_drv(priv);
+	for (i = 0; i < ARRAY_SIZE(snd_ubi32_cs4384_controls); i++) {
+		int err;
+
+		cs4384_priv->kctls[i] = snd_ctl_new1(&snd_ubi32_cs4384_controls[i], priv);
+		err = snd_ctl_add(card, cs4384_priv->kctls[i]);
+		if (err) {
+			snd_printk(KERN_WARNING "Failed to add control %d\n", i);
+			return err;
+		}
+	}
+	return 0;
+}
+
+/*
+ * snd_ubi32_cs4384_free
+ *	Card private data free function
+ */
+void snd_ubi32_cs4384_free(struct snd_card *card)
+{
+	struct snd_ubi32_cs4384_priv *cs4384_priv;
+	struct ubi32_snd_priv *ubi32_priv;
+
+	ubi32_priv = card->private_data;
+	cs4384_priv = snd_ubi32_priv_get_drv(ubi32_priv);
+	if (cs4384_priv) {
+		kfree(cs4384_priv);
+	}
+}
+
+/*
+ * snd_ubi32_cs4384_setup_mclk
+ */
+static int snd_ubi32_cs4384_setup_mclk(struct ubi32_cs4384_platform_data *pdata)
+{
+	struct ubicom32_io_port *ioa = (struct ubicom32_io_port *)RA;
+	struct ubicom32_io_port *ioc = (struct ubicom32_io_port *)RC;
+	struct ubicom32_io_port *iod = (struct ubicom32_io_port *)RD;
+	struct ubicom32_io_port *ioe = (struct ubicom32_io_port *)RE;
+	struct ubicom32_io_port *ioh = (struct ubicom32_io_port *)RH;
+	unsigned int ctl0;
+	unsigned int ctlx;
+	unsigned int div;
+
+	div = pdata->mclk_entries[0].div;
+
+	ctl0 = (1 << 13);
+	ctlx = ((div - 1) << 16) | (div / 2);
+
+	switch (pdata->mclk_src) {
+	case UBI32_CS4384_MCLK_PWM_0:
+		ioc->function |= 2;
+		ioc->ctl0 |= ctl0;
+		ioc->ctl1 = ctlx;
+		if (!ioa->function) {
+			ioa->function = 3;
+		}
+		return 0;
+
+	case UBI32_CS4384_MCLK_PWM_1:
+		ioc->function |= 2;
+		ioc->ctl0 |= ctl0 << 16;
+		ioc->ctl2 = ctlx;
+		if (!ioe->function) {
+			ioe->function = 3;
+		}
+		return 0;
+
+	case UBI32_CS4384_MCLK_PWM_2:
+		ioh->ctl0 |= ctl0;
+		ioh->ctl1 = ctlx;
+		if (!iod->function) {
+			iod->function = 3;
+		}
+		return 0;
+
+	case UBI32_CS4384_MCLK_CLKDIV_1:
+		ioa->gpio_mask &= (1 << 7);
+		ioa->ctl1 &= ~(0x7F << 14);
+		ioa->ctl1 |= ((div - 1) << 14);
+		return 0;
+
+	case UBI32_CS4384_MCLK_OTHER:
+		return 0;
+	}
+
+	return 1;
+}
+
+/*
+ * snd_ubi32_cs4384_set_rate
+ */
+static int snd_ubi32_cs4384_set_rate(struct ubi32_snd_priv *priv, int rate)
+{
+	struct ubi32_cs4384_platform_data *cpd = priv->pdata->priv_data;
+	struct ubicom32_io_port *ioa = (struct ubicom32_io_port *)RA;
+	struct ubicom32_io_port *ioc = (struct ubicom32_io_port *)RC;
+	struct ubicom32_io_port *ioh = (struct ubicom32_io_port *)RH;
+	unsigned int ctl;
+	unsigned int div = 0;
+	const u16_t mult[] = {64, 96, 128, 192, 256, 384, 512, 768, 1024};
+	int i;
+	int j;
+
+
+	for (i = 0; i < sizeof(mult) / sizeof(u16_t); i++) {
+		for (j = 0; j < cpd->n_mclk; j++) {
+			if (((unsigned int)rate * (unsigned int)mult[i]) ==
+			     cpd->mclk_entries[j].rate) {
+				div = cpd->mclk_entries[j].div;
+				break;
+			}
+		}
+	}
+
+	ctl = ((div - 1) << 16) | (div / 2);
+
+	switch (cpd->mclk_src) {
+	case UBI32_CS4384_MCLK_PWM_0:
+		ioc->ctl1 = ctl;
+		return 0;
+
+	case UBI32_CS4384_MCLK_PWM_1:
+		ioc->ctl2 = ctl;
+		return 0;
+
+	case UBI32_CS4384_MCLK_PWM_2:
+		ioh->ctl1 = ctl;
+		return 0;
+
+	case UBI32_CS4384_MCLK_CLKDIV_1:
+		ioa->ctl1 &= ~(0x7F << 14);
+		ioa->ctl1 |= ((div - 1) << 14);
+		return 0;
+
+	case UBI32_CS4384_MCLK_OTHER:
+		return 0;
+	}
+
+	return 1;
+}
+
+/*
+ * snd_ubi32_cs4384_set_channels
+ *	Mute unused channels
+ */
+static int snd_ubi32_cs4384_set_channels(struct ubi32_snd_priv *priv, int channels)
+{
+	struct i2c_client *client = (struct i2c_client *)priv->client;
+	struct snd_ubi32_cs4384_priv *cs4384_priv;
+	unsigned char send[2];
+	int ret;
+	int i;
+	unsigned long flags;
+
+	/*
+	 * Only support 0, 2, 4, 6, 8 channels
+	 */
+	if ((channels > 8) || (channels & 1)) {
+		return -EINVAL;
+	}
+
+	cs4384_priv = snd_ubi32_priv_get_drv(priv);
+	spin_lock_irqsave(&cs4384_priv->lock, flags);
+
+	/*
+	 * Address 09h, Mute control
+	 */
+	send[0] = 0x09;
+	send[1] = (unsigned char)(0xFF << channels);
+
+	ret = i2c_master_send(client, send, 2);
+
+	spin_unlock_irqrestore(&cs4384_priv->lock, flags);
+
+	/*
+	 * Notify the system that we changed the mutes
+	 */
+	cs4384_priv->mute = (unsigned char)(0xFF << channels);
+
+	for (i = SND_UBI32_MUTE_CTL_START; i < SND_UBI32_MUTE_CTL_END; i++) {
+		snd_ctl_notify(priv->card, SNDRV_CTL_EVENT_MASK_VALUE,
+			       &cs4384_priv->kctls[i]->id);
+	}
+
+	if (ret != 2) {
+		return -ENXIO;
+	}
+
+	return 0;
+}
+
+/*
+ * snd_ubi32_cs4384_dac_init
+ */
+static int snd_ubi32_cs4384_dac_init(struct i2c_client *client, const struct i2c_device_id *id)
+{
+	int ret;
+	unsigned char send[2];
+	unsigned char recv[2];
+
+	/*
+	 * Initialize the CS4384 DAC over the I2C interface
+	 */
+	snd_printk(KERN_INFO "Initializing CS4384 DAC\n");
+
+	/*
+	 * Register 0x01: device/revid
+	 */
+	send[0] = 0x01;
+	ret = i2c_master_send(client, send, 1);
+	if (ret != 1) {
+		snd_printk(KERN_ERR "Failed 1st attempt to write to CS4384 register 0x01\n");
+		goto fail;
+	}
+	ret = i2c_master_recv(client, recv, 1);
+	if (ret != 1) {
+		snd_printk(KERN_ERR "Failed initial read of CS4384 registers\n");
+		goto fail;
+	}
+	snd_printk(KERN_INFO "CS4384 DAC Device/Rev: %08x\n", recv[0]);
+
+	/*
+	 * Register 0x02: Mode Control 1
+	 *	Control Port Enable, PCM, All DACs enabled, Power Down
+	 */
+	send[0] = 0x02;
+	send[1] = 0x81;
+	ret = i2c_master_send(client, send, 2);
+	if (ret != 2) {
+		snd_printk(KERN_ERR "Failed to set CPEN CS4384\n");
+		goto fail;
+	}
+
+	/*
+	 * Register 0x08: Ramp and Mute
+	 *	RMP_UP, RMP_DN, PAMUTE, DAMUTE
+	 */
+	send[0] = 0x08;
+	send[1] = 0xBC;
+	ret = i2c_master_send(client, send, 2);
+	if (ret != 2) {
+		snd_printk(KERN_ERR "Failed to set CPEN CS4384\n");
+		goto fail;
+	}
+
+	/*
+	 * Register 0x03: PCM Control
+	 *	I2S DIF[3:0] = 0001, no De-Emphasis, Auto speed mode
+	 */
+	send[0] = 0x03;
+	send[1] = 0x13;
+	ret = i2c_master_send(client, send, 2);
+	if (ret != 2) {
+		snd_printk(KERN_ERR "Failed to set CS4384 to I2S mode\n");
+		goto fail;
+	}
+
+	/*
+	 * Register 0x0B/0x0C: Volume control A1/B1
+	 * Register 0x0E/0x0F: Volume control A2/B2
+	 * Register 0x11/0x12: Volume control A3/B3
+	 * Register 0x14/0x15: Volume control A4/B4
+	 */
+	send[0] = 0x80 | 0x0B;
+	send[1] = 0x00;
+	send[2] = 0x00;
+	ret = i2c_master_send(client, send, 3);
+	if (ret != 3) {
+		snd_printk(KERN_ERR "Failed to set ch1 volume on CS4384\n");
+		goto fail;
+	}
+
+	send[0] = 0x80 | 0x0E;
+	send[1] = 0x00;
+	send[2] = 0x00;
+	ret = i2c_master_send(client, send, 3);
+	if (ret != 3) {
+		snd_printk(KERN_ERR "Failed to set ch2 volume on CS4384\n");
+		goto fail;
+	}
+
+	send[0] = 0x80 | 0x11;
+	send[1] = 0x00;
+	send[2] = 0x00;
+	ret = i2c_master_send(client, send, 3);
+	if (ret != 3) {
+		snd_printk(KERN_ERR "Failed to set ch3 volume on CS4384\n");
+		goto fail;
+	}
+
+	send[0] = 0x80 | 0x14;
+	send[1] = 0x00;
+	send[2] = 0x00;
+	ret = i2c_master_send(client, send, 3);
+	if (ret != 3) {
+		snd_printk(KERN_ERR "Failed to set ch4 volume on CS4384\n");
+		goto fail;
+	}
+
+	/*
+	 * Register 09h: Mute control
+	 *	Mute all (we will unmute channels as needed)
+	 */
+	send[0] = 0x09;
+	send[1] = 0xFF;
+	ret = i2c_master_send(client, send, 2);
+	if (ret != 2) {
+		snd_printk(KERN_ERR "Failed to power up CS4384\n");
+		goto fail;
+	}
+
+	/*
+	 * Register 0x02: Mode Control 1
+	 *	Control Port Enable, PCM, All DACs enabled, Power Up
+	 */
+	send[0] = 0x02;
+	send[1] = 0x80;
+	ret = i2c_master_send(client, send, 2);
+	if (ret != 2) {
+		snd_printk(KERN_ERR "Failed to power up CS4384\n");
+		goto fail;
+	}
+
+	/*
+	 * Make sure the changes took place, this helps verify we are talking to
+	 * the correct chip.
+	 */
+	send[0] = 0x80 | 0x03;
+	ret = i2c_master_send(client, send, 1);
+	if (ret != 1) {
+		snd_printk(KERN_ERR "Failed to initiate readback\n");
+		goto fail;
+	}
+
+	ret = i2c_master_recv(client, recv, 1);
+	if (ret != 1) {
+		snd_printk(KERN_ERR "Failed second read of CS4384 registers\n");
+		goto fail;
+	}
+
+	if (recv[0] != 0x13) {
+		snd_printk(KERN_ERR "Failed to initialize CS4384 DAC\n");
+		goto fail;
+	}
+
+	snd_printk(KERN_INFO "CS4384 DAC Initialized\n");
+	return 0;
+
+fail:
+	return -ENODEV;
+}
+
+/*
+ * snd_ubi32_cs4384_i2c_probe
+ */
+static int snd_ubi32_cs4384_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id)
+{
+	struct snd_card *card;
+	struct ubi32_snd_priv *ubi32_priv;
+	int err, ret;
+	struct platform_device *pdev;
+	struct ubi32_cs4384_platform_data *pdata;
+	struct snd_ubi32_cs4384_priv *cs4384_priv;
+
+	/*
+	 * pdev is audio device
+	 */
+	pdev = client->dev.platform_data;
+	if (!pdev) {
+		return -ENODEV;
+	}
+
+	/*
+	 * pdev->dev.platform_data is ubi32-pcm platform_data
+	 */
+	pdata = audio_device_priv(pdev);
+	if (!pdata) {
+		return -ENODEV;
+	}
+
+	/*
+	 * Initialize the CS4384 DAC
+	 */
+	ret = snd_ubi32_cs4384_dac_init(client, id);
+	if (ret < 0) {
+		/*
+		 * Initialization failed.  Propagate the error.
+		 */
+		return ret;
+	}
+
+	if (snd_ubi32_cs4384_setup_mclk(pdata)) {
+		return -EINVAL;
+	}
+
+	/*
+	 * Create a snd_card structure
+	 */
+	card = snd_card_new(index, "Ubi32-CS4384", THIS_MODULE, sizeof(struct ubi32_snd_priv));
+	if (card == NULL) {
+		return -ENOMEM;
+	}
+
+	card->private_free = snd_ubi32_cs4384_free;
+	ubi32_priv = card->private_data;
+
+	/*
+	 * Initialize the snd_card's private data structure
+	 */
+	ubi32_priv->card = card;
+	ubi32_priv->client = client;
+	ubi32_priv->set_channels = snd_ubi32_cs4384_set_channels;
+	ubi32_priv->set_rate = snd_ubi32_cs4384_set_rate;
+
+	/*
+	 * CS4384 DAC has a minimum sample rate of 4khz and an
+	 * upper limit of 216khz for it's auto-detect.
+	 */
+	ubi32_priv->min_sample_rate = 4000;
+	ubi32_priv->max_sample_rate = 216000;
+
+	/*
+	 * Create our private data (to manage volume, etc)
+	 */
+	cs4384_priv = kzalloc(sizeof(struct snd_ubi32_cs4384_priv), GFP_KERNEL);
+	if (!cs4384_priv) {
+		snd_card_free(card);
+		return -ENOMEM;
+	}
+	snd_ubi32_priv_set_drv(ubi32_priv, cs4384_priv);
+	spin_lock_init(&cs4384_priv->lock);
+
+	/*
+	 * We start off all muted and max volume
+	 */
+	cs4384_priv->mute = 0xFF;
+	memset(cs4384_priv->volume, 0xFF, 8);
+
+	/*
+	 * Create the new PCM instance
+	 */
+	err = snd_ubi32_pcm_probe(ubi32_priv, pdev);
+	if (err < 0) {
+		snd_card_free(card);
+		return err; /* What is err?  Need to include correct file */
+	}
+
+	strcpy(card->driver, "Ubi32-CS4384");
+	strcpy(card->shortname, "Ubi32-CS4384");
+	snprintf(card->longname, sizeof(card->longname),
+		"%s at sendirq=%d.%d recvirq=%d.%d regs=%p",
+		card->shortname, ubi32_priv->tx_irq, ubi32_priv->irq_idx,
+		ubi32_priv->rx_irq, ubi32_priv->irq_idx, ubi32_priv->adr);
+
+	snd_card_set_dev(card, &client->dev);
+
+	/*
+	 * Set up the mixer
+	 */
+	snd_ubi32_cs4384_mixer(ubi32_priv);
+
+	/*
+	 * Register the sound card
+	 */
+	if ((err = snd_card_register(card)) != 0) {
+		snd_printk(KERN_INFO "snd_card_register error\n");
+	}
+
+	/*
+	 * Store card for access from other methods
+	 */
+	i2c_set_clientdata(client, card);
+
+	return 0;
+}
+
+/*
+ * snd_ubi32_cs4384_i2c_remove
+ */
+static int __devexit snd_ubi32_cs4384_i2c_remove(struct i2c_client *client)
+{
+	struct snd_card *card;
+	struct ubi32_snd_priv *ubi32_priv;
+
+	card = i2c_get_clientdata(client);
+
+	ubi32_priv = card->private_data;
+	snd_ubi32_pcm_remove(ubi32_priv);
+
+	snd_card_free(i2c_get_clientdata(client));
+	i2c_set_clientdata(client, NULL);
+
+	return 0;
+}
+
+/*
+ * I2C driver description
+ */
+static struct i2c_driver snd_ubi32_cs4384_driver = {
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+	},
+	.id_table	= snd_ubi32_cs4384_id,
+	.probe		= snd_ubi32_cs4384_i2c_probe,
+	.remove		= __devexit_p(snd_ubi32_cs4384_i2c_remove),
+};
+
+/*
+ * Driver init
+ */
+static int __init snd_ubi32_cs4384_init(void)
+{
+	return i2c_add_driver(&snd_ubi32_cs4384_driver);
+}
+module_init(snd_ubi32_cs4384_init);
+
+/*
+ * snd_ubi32_cs4384_exit
+ */
+static void __exit snd_ubi32_cs4384_exit(void)
+{
+	i2c_del_driver(&snd_ubi32_cs4384_driver);
+}
+module_exit(snd_ubi32_cs4384_exit);
+
+/*
+ * Module properties
+ */
+MODULE_ALIAS("i2c:" DRIVER_NAME);
+MODULE_AUTHOR("Patrick Tjin");
+MODULE_DESCRIPTION("Driver for Ubicom32 audio devices CS4384");
+MODULE_LICENSE("GPL");
diff -ruN linux-2.6.30.10/sound/ubicom32/ubi32-generic.c linux-2.6.30.10-ubi/sound/ubicom32/ubi32-generic.c
--- linux-2.6.30.10/sound/ubicom32/ubi32-generic.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/sound/ubicom32/ubi32-generic.c	2009-12-11 11:45:25.000000000 +0200
@@ -0,0 +1,166 @@
+/*
+ * sound/ubicom32/ubi32-generic.c
+ *	Interface to ubicom32 virtual audio peripheral
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/platform_device.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/initval.h>
+#include "ubi32.h"
+
+#define DRIVER_NAME "snd-ubi32-generic"
+
+/*
+ * Module properties
+ */
+static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */
+
+/*
+ * Card private data free function
+ */
+void snd_ubi32_generic_free(struct snd_card *card)
+{
+	/*
+	 * Free all the fields in the snd_ubi32_priv struct
+	 */
+	// Nothing to free at this time because ubi32_priv just maintains pointers
+}
+
+/*
+ * Ubicom audio driver probe() method.  Args change depending on whether we use
+ * platform_device or i2c_device.
+ */
+static int snd_ubi32_generic_probe(struct platform_device *dev)
+{
+	struct snd_card *card;
+	struct ubi32_snd_priv *ubi32_priv;
+	int err;
+
+	/*
+	 * Create a snd_card structure
+	 */
+	card = snd_card_new(index, "Ubi32-Generic", THIS_MODULE, sizeof(struct ubi32_snd_priv));
+
+	if (card == NULL) {
+		return -ENOMEM;
+	}
+
+	card->private_free = snd_ubi32_generic_free; /* Not sure if correct */
+	ubi32_priv = card->private_data;
+
+	/*
+	 * Initialize the snd_card's private data structure
+	 */
+	ubi32_priv->card = card;
+
+	/*
+	 * Create the new PCM instance
+	 */
+	err = snd_ubi32_pcm_probe(ubi32_priv, dev);
+	if (err < 0) {
+		snd_card_free(card);
+		return err;
+	}
+
+	strcpy(card->driver, "Ubi32-Generic");
+	strcpy(card->shortname, "Ubi32-Generic");
+	snprintf(card->longname, sizeof(card->longname),
+		"%s at sendirq=%d.%d recvirq=%d.%d regs=%p",
+		card->shortname, ubi32_priv->tx_irq, ubi32_priv->irq_idx,
+		ubi32_priv->rx_irq, ubi32_priv->irq_idx, ubi32_priv->adr);
+
+	snd_card_set_dev(card, &dev->dev);
+
+	/* Register the sound card */
+	if ((err = snd_card_register(card)) != 0) {
+		snd_printk(KERN_INFO "snd_card_register error\n");
+	}
+
+	/* Store card for access from other methods */
+	platform_set_drvdata(dev, card);
+
+	return 0;
+}
+
+/*
+ * Ubicom audio driver remove() method
+ */
+static int __devexit snd_ubi32_generic_remove(struct platform_device *dev)
+{
+	struct snd_card *card;
+	struct ubi32_snd_priv *ubi32_priv;
+
+	card = platform_get_drvdata(dev);
+	ubi32_priv = card->private_data;
+	snd_ubi32_pcm_remove(ubi32_priv);
+
+	snd_card_free(platform_get_drvdata(dev));
+	platform_set_drvdata(dev, NULL);
+	return 0;
+}
+
+/*
+ * Platform driver definition
+ */
+static struct platform_driver snd_ubi32_generic_driver = {
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+	},
+	.probe = snd_ubi32_generic_probe,
+	.remove = __devexit_p(snd_ubi32_generic_remove),
+};
+
+/*
+ * snd_ubi32_generic_init
+ */
+static int __init snd_ubi32_generic_init(void)
+{
+	return platform_driver_register(&snd_ubi32_generic_driver);
+}
+module_init(snd_ubi32_generic_init);
+
+/*
+ * snd_ubi32_generic_exit
+ */
+static void __exit snd_ubi32_generic_exit(void)
+{
+	platform_driver_unregister(&snd_ubi32_generic_driver);
+}
+module_exit(snd_ubi32_generic_exit);
+
+/*
+ * Module properties
+ */
+//#if defined(CONFIG_SND_UBI32_AUDIO_I2C)
+//MODULE_ALIAS("i2c:snd-ubi32");
+//#endif
+MODULE_AUTHOR("Aaron Jow, Patrick Tjin");
+MODULE_DESCRIPTION("Driver for Ubicom32 audio devices");
+MODULE_LICENSE("GPL");
diff -ruN linux-2.6.30.10/sound/ubicom32/ubi32-generic-capture.c linux-2.6.30.10-ubi/sound/ubicom32/ubi32-generic-capture.c
--- linux-2.6.30.10/sound/ubicom32/ubi32-generic-capture.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/sound/ubicom32/ubi32-generic-capture.c	2009-12-11 11:45:25.000000000 +0200
@@ -0,0 +1,167 @@
+/*
+ * sound/ubicom32/ubi32-generic-capture.c
+ *	Interface to ubicom32 virtual audio peripheral
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/platform_device.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/initval.h>
+#include "ubi32.h"
+
+#define DRIVER_NAME "snd-ubi32-generic-capture"
+
+/*
+ * Module properties
+ */
+static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */
+
+/*
+ * Card private data free function
+ */
+void snd_ubi32_generic_capture_free(struct snd_card *card)
+{
+	/*
+	 * Free all the fields in the snd_ubi32_priv struct
+	 */
+	// Nothing to free at this time because ubi32_priv just maintains pointers
+}
+
+/*
+ * Ubicom audio driver probe() method.  Args change depending on whether we use
+ * platform_device or i2c_device.
+ */
+static int snd_ubi32_generic_capture_probe(struct platform_device *dev)
+{
+	struct snd_card *card;
+	struct ubi32_snd_priv *ubi32_priv;
+	int err;
+
+	/*
+	 * Create a snd_card structure
+	 */
+	card = snd_card_new(index, "Ubi32-Generic-C", THIS_MODULE, sizeof(struct ubi32_snd_priv));
+
+	if (card == NULL) {
+		return -ENOMEM;
+	}
+
+	card->private_free = snd_ubi32_generic_capture_free; /* Not sure if correct */
+	ubi32_priv = card->private_data;
+
+	/*
+	 * Initialize the snd_card's private data structure
+	 */
+	ubi32_priv->card = card;
+	ubi32_priv->is_capture = 1;
+
+	/*
+	 * Create the new PCM instance
+	 */
+	err = snd_ubi32_pcm_probe(ubi32_priv, dev);
+	if (err < 0) {
+		snd_card_free(card);
+		return err;
+	}
+
+	strcpy(card->driver, "Ubi32-Generic-C");
+	strcpy(card->shortname, "Ubi32-Generic-C");
+	snprintf(card->longname, sizeof(card->longname),
+		"%s at sendirq=%d.%d recvirq=%d.%d regs=%p",
+		card->shortname, ubi32_priv->tx_irq, ubi32_priv->irq_idx,
+		ubi32_priv->rx_irq, ubi32_priv->irq_idx, ubi32_priv->adr);
+
+	snd_card_set_dev(card, &dev->dev);
+
+	/* Register the sound card */
+	if ((err = snd_card_register(card)) != 0) {
+		snd_printk(KERN_INFO "snd_card_register error\n");
+	}
+
+	/* Store card for access from other methods */
+	platform_set_drvdata(dev, card);
+
+	return 0;
+}
+
+/*
+ * Ubicom audio driver remove() method
+ */
+static int __devexit snd_ubi32_generic_capture_remove(struct platform_device *dev)
+{
+	struct snd_card *card;
+	struct ubi32_snd_priv *ubi32_priv;
+
+	card = platform_get_drvdata(dev);
+	ubi32_priv = card->private_data;
+	snd_ubi32_pcm_remove(ubi32_priv);
+
+	snd_card_free(platform_get_drvdata(dev));
+	platform_set_drvdata(dev, NULL);
+	return 0;
+}
+
+/*
+ * Platform driver definition
+ */
+static struct platform_driver snd_ubi32_generic_capture_driver = {
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+	},
+	.probe = snd_ubi32_generic_capture_probe,
+	.remove = __devexit_p(snd_ubi32_generic_capture_remove),
+};
+
+/*
+ * snd_ubi32_generic_capture_init
+ */
+static int __init snd_ubi32_generic_capture_init(void)
+{
+	return platform_driver_register(&snd_ubi32_generic_capture_driver);
+}
+module_init(snd_ubi32_generic_capture_init);
+
+/*
+ * snd_ubi32_generic_capture_exit
+ */
+static void __exit snd_ubi32_generic_capture_exit(void)
+{
+	platform_driver_unregister(&snd_ubi32_generic_capture_driver);
+}
+module_exit(snd_ubi32_generic_capture_exit);
+
+/*
+ * Module properties
+ */
+//#if defined(CONFIG_SND_UBI32_AUDIO_I2C)
+//MODULE_ALIAS("i2c:snd-ubi32");
+//#endif
+MODULE_AUTHOR("Patrick Tjin");
+MODULE_DESCRIPTION("Driver for Ubicom32 audio devices");
+MODULE_LICENSE("GPL");
diff -ruN linux-2.6.30.10/sound/ubicom32/ubi32.h linux-2.6.30.10-ubi/sound/ubicom32/ubi32.h
--- linux-2.6.30.10/sound/ubicom32/ubi32.h	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/sound/ubicom32/ubi32.h	2009-12-11 11:45:25.000000000 +0200
@@ -0,0 +1,102 @@
+/*
+ * sound/ubicom32/ubi32.h
+ *	Common header file for all ubi32- sound drivers
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _UBI32_H
+#define _UBI32_H
+
+#define SND_UBI32_DEBUG 0 // Debug flag
+
+#include <linux/platform_device.h>
+#include <asm/devtree.h>
+#include <asm/audio.h>
+#include <asm/ubi32-pcm.h>
+
+struct ubi32_snd_priv;
+
+typedef int (*set_channels_t)(struct ubi32_snd_priv *priv, int channels);
+typedef int (*set_rate_t)(struct ubi32_snd_priv *priv, int rate);
+
+struct ubi32_snd_priv {
+	/*
+	 * Any variables that are needed locally here but NOT in
+	 * the VP itself should go in here.
+	 */
+	struct snd_card *card;
+	struct snd_pcm *pcm;
+
+	/*
+	 * capture (1) or playback (0)
+	 */
+	int is_capture;
+	/*
+	 * DAC parameters.  These are the parameters for the specific
+	 * DAC we are driving.  The I2S component can run at a range
+	 * of frequencies, but the DAC may be limited.  We may want
+	 * to make this an array of some sort in the future?
+	 *
+	 * min/max_sample_rate if set to 0 are ignored.
+	 */
+	int max_sample_rate;
+	int min_sample_rate;
+
+	/*
+	 * The size a period (group) of audio samples.  The VP does
+	 * not need to know this; each DMA transfer is made to be
+	 * one period.
+	 */
+	u32_t period_size;
+
+	spinlock_t ubi32_lock;
+
+	struct audio_regs *ar;
+	struct audio_dev_regs *adr;
+	u32 irq_idx;
+	u8 tx_irq;
+	u8 rx_irq;
+
+	void *client;
+
+	/*
+	 * Operations which the base DAC driver can implement
+	 */
+	set_channels_t set_channels;
+	set_rate_t set_rate;
+
+	/*
+	 * platform data
+	 */
+	struct ubi32pcm_platform_data *pdata;
+
+	/*
+	 * Private driver data (used for DAC driver control, etc)
+	 */
+	void *drvdata;
+};
+
+#define snd_ubi32_priv_get_drv(priv) ((priv)->drvdata)
+#define snd_ubi32_priv_set_drv(priv, data) (((priv)->drvdata) = (void *)(data))
+
+extern int snd_ubi32_pcm_probe(struct ubi32_snd_priv *ubi32_priv, struct platform_device *pdev);
+extern void snd_ubi32_pcm_remove(struct ubi32_snd_priv *ubi32_priv);
+
+#endif
diff -ruN linux-2.6.30.10/sound/ubicom32/ubi32-pcm.c linux-2.6.30.10-ubi/sound/ubicom32/ubi32-pcm.c
--- linux-2.6.30.10/sound/ubicom32/ubi32-pcm.c	1970-01-01 02:00:00.000000000 +0200
+++ linux-2.6.30.10-ubi/sound/ubicom32/ubi32-pcm.c	2009-12-11 11:45:25.000000000 +0200
@@ -0,0 +1,711 @@
+/*
+ * sound/ubicom32/ubi32-pcm.c
+ *	Interface to ubicom32 virtual audio peripheral
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#include <linux/interrupt.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <asm/ip5000.h>
+#include <asm/ubi32-pcm.h>
+#include <linux/dma-mapping.h>
+#include <linux/delay.h>
+#include "ubi32.h"
+
+struct ubi32_snd_runtime_data {
+	dma_addr_t dma_buffer;		/* Physical address of DMA buffer */
+	dma_addr_t dma_buffer_end;	/* First address beyond end of DMA buffer */
+	size_t period_size;
+	dma_addr_t period_ptr;		/* Physical address of next period */
+	unsigned int flags;
+};
+
+static void snd_ubi32_vp_int_set(struct snd_pcm *pcm)
+{
+	struct ubi32_snd_priv *ubi32_priv = pcm->private_data;
+	ubi32_priv->ar->int_req |= (1 << ubi32_priv->irq_idx);
+	ubicom32_set_interrupt(ubi32_priv->tx_irq);
+}
+
+static snd_pcm_uframes_t snd_ubi32_pcm_pointer(struct snd_pcm_substream *substream)
+{
+
+	struct ubi32_snd_priv *ubi32_priv = snd_pcm_substream_chip(substream);
+	struct audio_dev_regs *adr = ubi32_priv->adr;
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct ubi32_snd_runtime_data *ubi32_rd = substream->runtime->private_data;
+
+	dma_addr_t read_pos;
+
+	snd_pcm_uframes_t frames;
+	if (!adr->primary_os_buffer_ptr) {
+		/*
+		 * If primary_os_buffer_ptr is NULL (e.g. right after the HW is started or
+		 * when the HW is stopped), then handle this case separately.
+		 */
+		return 0;
+	}
+
+	read_pos = (dma_addr_t)adr->primary_os_buffer_ptr;
+	frames = bytes_to_frames(runtime, read_pos - ubi32_rd->dma_buffer);
+	if (frames == runtime->buffer_size) {
+		frames = 0;
+	}
+	return frames;
+}
+
+/*
+ * Audio trigger
+ */
+static int snd_ubi32_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+	struct ubi32_snd_priv *ubi32_priv = substream->pcm->private_data;
+	struct audio_dev_regs *adr = ubi32_priv->adr;
+	struct ubi32_snd_runtime_data *ubi32_rd = substream->runtime->private_data;
+	int ret = 0;
+
+#ifdef CONFIG_SND_DEBUG
+	snd_printk(KERN_INFO "snd_ubi32_pcm_trigger cmd=%d=", cmd);
+#endif
+
+	if (adr->command != AUDIO_CMD_NONE) {
+		snd_printk(KERN_WARNING "Can't send command to audio device at this time\n");
+		// Set a timer to call this function back later.  How to do this?
+		return 0;
+	}
+
+	/*
+	 * Set interrupt flag to indicate that we interrupted audio device
+	 * to send a command
+	 */
+
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+
+#ifdef CONFIG_SND_DEBUG
+		snd_printk(KERN_INFO "START\n");
+#endif
+		/*
+		 * Ready the DMA transfer
+		 */
+		ubi32_rd->period_ptr = ubi32_rd->dma_buffer;
+
+#ifdef CONFIG_SND_DEBUG
+		snd_printk(KERN_INFO "trigger period_ptr=%lx\n", (unsigned long)ubi32_rd->period_ptr);
+#endif
+		adr->dma_xfer_requests[0].ptr = (void *)ubi32_rd->period_ptr;
+		adr->dma_xfer_requests[0].ctr = ubi32_rd->period_size;
+		adr->dma_xfer_requests[0].active = 1;
+
+#ifdef CONFIG_SND_DEBUG
+		snd_printk(KERN_INFO "xfer_request 0 ptr=0x%x ctr=%u\n", ubi32_rd->period_ptr, ubi32_rd->period_size);
+#endif
+
+		ubi32_rd->period_ptr += ubi32_rd->period_size;
+		adr->dma_xfer_requests[1].ptr = (void *)ubi32_rd->period_ptr;
+		adr->dma_xfer_requests[1].ctr = ubi32_rd->period_size;
+		adr->dma_xfer_requests[1].active = 1;
+
+#ifdef CONFIG_SND_DEBUG
+		snd_printk(KERN_INFO "xfer_request 1 ptr=0x%x ctr=%u\n", ubi32_rd->period_ptr, ubi32_rd->period_size);
+#endif
+
+		/*
+		 * Tell the VP that we want to begin playback by filling in the
+		 * command field and then interrupting the audio VP
+		 */
+		adr->int_flags |= AUDIO_INT_FLAG_COMMAND;
+		adr->command = AUDIO_CMD_START;
+		snd_ubi32_vp_int_set(substream->pcm);
+		break;
+
+	case SNDRV_PCM_TRIGGER_STOP:
+
+#ifdef CONFIG_SND_DEBUG
+		snd_printk(KERN_INFO "STOP\n");
+#endif
+
+		/*
+		 * Tell the VP that we want to stop playback by filling in the
+		 * command field and then interrupting the audio VP
+		 */
+		adr->int_flags |= AUDIO_INT_FLAG_COMMAND;
+		adr->command = AUDIO_CMD_STOP;
+		snd_ubi32_vp_int_set(substream->pcm);
+		break;
+
+	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+
+#ifdef CONFIG_SND_DEBUG
+		snd_printk(KERN_INFO "PAUSE_PUSH\n");
+#endif
+
+		/*
+		 * Tell the VP that we want to pause playback by filling in the
+		 * command field and then interrupting the audio VP
+		 */
+		adr->int_flags |= AUDIO_INT_FLAG_COMMAND;
+		adr->command = AUDIO_CMD_PAUSE;
+		snd_ubi32_vp_int_set(substream->pcm);
+		break;
+
+	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+
+#ifdef CONFIG_SND_DEBUG
+		snd_printk(KERN_INFO "PAUSE_RELEASE\n");
+#endif
+		/*
+		 * Tell the VP that we want to resume paused playback by filling
+		 * in the command field and then interrupting the audio VP
+		 */
+		adr->int_flags |= AUDIO_INT_FLAG_COMMAND;
+		adr->command = AUDIO_CMD_RESUME;
+		snd_ubi32_vp_int_set(substream->pcm);
+		break;
+
+	default:
+		snd_printk(KERN_WARNING "Unhandled trigger\n");
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+/*
+ * Prepare to transfer an audio stream to the codec
+ */
+static int snd_ubi32_pcm_prepare(struct snd_pcm_substream *substream)
+{
+	/*
+	 * Configure registers and setup the runtime instance for DMA transfers
+	 */
+	struct ubi32_snd_priv *ubi32_priv = substream->pcm->private_data;
+	struct audio_dev_regs *adr = ubi32_priv->adr;
+
+#ifdef CONFIG_SND_DEBUG
+	snd_printk(KERN_INFO "snd_ubi32_pcm_prepare: sending STOP command to audio device\n");
+#endif
+
+	/*
+	 * Make sure the audio device is stopped
+	 */
+
+	/*
+	 * Set interrupt flag to indicate that we interrupted audio device
+	 * to send a command
+	 */
+	adr->int_flags |= AUDIO_INT_FLAG_COMMAND;
+	adr->command = AUDIO_CMD_STOP;
+	snd_ubi32_vp_int_set(substream->pcm);
+
+	return 0;
+}
+
+/*
+ * Allocate DMA buffers from preallocated memory.
+ * Preallocation was done in snd_ubi32_pcm_new()
+ */
+static int snd_ubi32_pcm_hw_params(struct snd_pcm_substream *substream,
+					struct snd_pcm_hw_params *hw_params)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct ubi32_snd_priv *ubi32_priv = substream->pcm->private_data;
+	struct audio_dev_regs *adr = ubi32_priv->adr;
+	struct ubi32_snd_runtime_data *ubi32_rd = substream->runtime->private_data;
+
+	/*
+	 * Use pre-allocated memory from ubi32_snd_pcm_new() to satisfy
+	 * this memory request.
+	 */
+	int ret = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
+	if (ret < 0) {
+		return ret;
+	}
+
+#ifdef CONFIG_SND_DEBUG
+	snd_printk(KERN_INFO "snd_ubi32_pcm_hw_params\n");
+#endif
+
+	if (!(adr->channel_mask & (1 << params_channels(hw_params)))) {
+		snd_printk(KERN_INFO "snd_ubi32_pcm_hw_params unsupported number of channels %d mask %08x\n", params_channels(hw_params), adr->channel_mask);
+		return -EINVAL;
+	}
+
+	if (ubi32_priv->set_channels) {
+		int ret = ubi32_priv->set_channels(ubi32_priv, params_channels(hw_params));
+		if (ret) {
+			snd_printk(KERN_WARNING "Unable to set channels to %d, ret=%d\n", params_channels(hw_params), ret);
+			return ret;
+		}
+	}
+
+	if (ubi32_priv->set_rate) {
+		int ret = ubi32_priv->set_rate(ubi32_priv, params_rate(hw_params));
+		if (ret) {
+			snd_printk(KERN_WARNING "Unable to set rate to %d, ret=%d\n", params_rate(hw_params), ret);
+			return ret;
+		}
+	}
+
+	if (ubi32_priv->pdata->set_rate) {
+		int ret = ubi32_priv->pdata->set_rate(ubi32_priv->pdata->appdata, params_rate(hw_params));
+		if (ret) {
+			snd_printk(KERN_WARNING "Unable to set rate to %d, ret=%d\n", params_rate(hw_params), ret);
+			return ret;
+		}
+	}
+
+	if (adr->command != AUDIO_CMD_NONE) {
+		snd_printk(KERN_WARNING "snd_ubi32_pcm_hw_params: tio busy\n");
+		return -EAGAIN;
+	}
+
+	if (params_format(hw_params) == SNDRV_PCM_FORMAT_S16_LE) {
+		adr->flags |= CMD_START_FLAG_LE;
+	} else {
+		adr->flags &= ~CMD_START_FLAG_LE;
+	}
+	adr->channels = params_channels(hw_params);
+	adr->sample_rate = params_rate(hw_params);
+	adr->command = AUDIO_CMD_SETUP;
+	adr->int_flags |= AUDIO_INT_FLAG_COMMAND;
+	snd_ubi32_vp_int_set(substream->pcm);
+
+	/*
+	 * Wait for the command to complete
+	 */
+	while (adr->command != AUDIO_CMD_NONE) {
+		udelay(1);
+	}
+
+	/*
+	 * Put the DMA info into the DMA descriptor that we will
+	 * use to do transfers to our audio VP "hardware"
+	 */
+
+	/*
+	 * Mark both DMA transfers as not ready/inactive
+	 */
+	adr->dma_xfer_requests[0].active = 0;
+	adr->dma_xfer_requests[1].active = 0;
+
+	/*
+	 * Put the location of the buffer into the runtime data instance
+	 */
+	ubi32_rd->dma_buffer = (dma_addr_t)runtime->dma_area;
+	ubi32_rd->dma_buffer_end = (dma_addr_t)(runtime->dma_area + runtime->dma_bytes);
+
+	/*
+	 * Get the period size
+	 */
+	ubi32_rd->period_size = params_period_bytes(hw_params);
+
+#ifdef CONFIG_SND_DEBUG
+	snd_printk(KERN_INFO "DMA for ubi32 audio initialized dma_area=0x%x dma_bytes=%d, period_size=%d\n", (unsigned int)runtime->dma_area, (unsigned int)runtime->dma_bytes, ubi32_rd->period_size);
+	snd_printk(KERN_INFO "Private buffer ubi32_rd: dma_buffer=0x%x dma_buffer_end=0x%x ret=%d\n", ubi32_rd->dma_buffer, ubi32_rd->dma_buffer_end, ret);
+#endif
+
+	return ret;
+}
+
+/*
+ * This is the reverse of snd_ubi32_pcm_hw_params
+ */
+static int snd_ubi32_pcm_hw_free(struct snd_pcm_substream *substream)
+{
+#ifdef CONFIG_SND_DEBUG
+	snd_printk(KERN_INFO "snd_ubi32_pcm_hw_free\n");
+#endif
+	return snd_pcm_lib_free_pages(substream);
+}
+
+/*
+ * Audio virtual peripheral capabilities (capture and playback are identical)
+ */
+static struct snd_pcm_hardware snd_ubi32_pcm_hw =
+{
+	.info = (SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER |
+		 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME),
+	.buffer_bytes_max = (64*1024),
+	.period_bytes_min	= 64,
+	.period_bytes_max	= 8184,//8184,//8176,
+	.periods_min = 2,
+	.periods_max = 255,
+	.fifo_size = 0, // THIS IS IGNORED BY ALSA
+};
+
+/*
+ * We fill this in later
+ */
+static struct snd_pcm_hw_constraint_list ubi32_pcm_rates;
+
+/*
+ * snd_ubi32_pcm_close
+ */
+static int snd_ubi32_pcm_close(struct snd_pcm_substream *substream)
+{
+	/* Disable codec, stop DMA, free private data structures */
+	//struct ubi32_snd_priv *ubi32_priv = snd_pcm_substream_chip(substream);
+	struct ubi32_snd_runtime_data *ubi32_rd = substream->runtime->private_data;
+
+#ifdef CONFIG_SND_DEBUG
+	snd_printk(KERN_INFO "snd_ubi32_pcm_close\n");
+#endif
+
+	substream->runtime->private_data = NULL;
+
+	kfree(ubi32_rd);
+
+	return 0;
+}
+
+/*
+ * snd_ubi32_pcm_open
+ */
+static int snd_ubi32_pcm_open(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct ubi32_snd_runtime_data *ubi32_rd;
+	int ret = 0;
+
+#ifdef CONFIG_SND_DEBUG
+	snd_printk(KERN_INFO "ubi32 pcm open\n");
+#endif
+
+	/* Associate capabilities with component */
+	runtime->hw = snd_ubi32_pcm_hw;
+
+	/*
+	 * Inform ALSA about constraints of the audio device
+	 */
+	ret = snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &ubi32_pcm_rates);
+	if (ret < 0) {
+		snd_printk(KERN_INFO "invalid rate\n");
+		goto out;
+	}
+
+	/* Force the buffer size to be an integer multiple of period size */
+	ret = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
+	if (ret < 0) {
+		snd_printk(KERN_INFO "invalid period\n");
+		goto out;
+	}
+	/* Initialize structures/registers */
+	ubi32_rd = kzalloc(sizeof(struct ubi32_snd_runtime_data), GFP_KERNEL);
+	if (ubi32_rd == NULL) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	runtime->private_data = ubi32_rd;
+
+#ifdef CONFIG_SND_DEBUG
+	snd_printk(KERN_INFO "snd_ubi32_pcm_open returned 0\n");
+#endif
+
+	return 0;
+out:
+#ifdef CONFIG_SND_DEBUG
+	snd_printk(KERN_INFO "snd_ubi32_pcm_open returned %d\n", ret);
+#endif
+
+	return ret;
+}
+
+static struct snd_pcm_ops snd_ubi32_pcm_ops = {
+	.open = 	snd_ubi32_pcm_open, /* Open */
+	.close = 	snd_ubi32_pcm_close, /* Close */
+	.ioctl = 	snd_pcm_lib_ioctl, /* Generic IOCTL handler */
+	.hw_params = 	snd_ubi32_pcm_hw_params, /* Hardware parameters/capabilities */
+	.hw_free = 	snd_ubi32_pcm_hw_free, /* Free function for hw_params */
+	.prepare = 	snd_ubi32_pcm_prepare,
+	.trigger = 	snd_ubi32_pcm_trigger,
+	.pointer = 	snd_ubi32_pcm_pointer,
+};
+
+/*
+ * Interrupt handler that gets called when the audio device
+ * interrupts Linux
+ */
+static irqreturn_t snd_ubi32_pcm_interrupt(int irq, void *appdata)
+{
+	struct snd_pcm *pcm = (struct snd_pcm *)appdata;
+	struct ubi32_snd_priv *ubi32_priv = pcm->private_data;
+	struct audio_dev_regs *adr = ubi32_priv->adr;
+	struct snd_pcm_substream *substream;
+	struct ubi32_snd_runtime_data *ubi32_rd;
+	int dma_to_fill = 0;
+
+	/*
+	 * Check to see if the interrupt is for us
+	 */
+	if (!(ubi32_priv->ar->int_status & (1 << ubi32_priv->irq_idx))) {
+		return IRQ_NONE;
+	}
+
+	/*
+	 * Clear the interrupt
+	 */
+	ubi32_priv->ar->int_status &= ~(1 << ubi32_priv->irq_idx);
+
+	/*
+	 * We only have one stream since we don't mix.  Therefore
+	 * we don't need to search through substreams.
+	 */
+	if (ubi32_priv->is_capture) {
+		substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream;
+	} else {
+		substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
+	}
+
+	if (!substream->runtime) {
+		snd_printk(KERN_WARNING "No runtime data\n");
+		return IRQ_NONE;
+	}
+
+	ubi32_rd = substream->runtime->private_data;
+
+#ifdef CONFIG_SND_DEBUG
+	snd_printk(KERN_INFO "Ubi32 ALSA interrupt\n");
+#endif
+
+	if (ubi32_rd == NULL) {
+		snd_printk(KERN_WARNING "No private data\n");
+		return IRQ_NONE;
+	}
+
+	// Check interrupt cause
+	if (0) {
+		// Handle the underflow case
+	} else if ((adr->status & AUDIO_STATUS_PLAY_DMA0_REQUEST) ||
+		   (adr->status & AUDIO_STATUS_PLAY_DMA1_REQUEST)) {
+		if (adr->status & AUDIO_STATUS_PLAY_DMA0_REQUEST) {
+			dma_to_fill = 0;
+			adr->status &= ~AUDIO_STATUS_PLAY_DMA0_REQUEST;
+		} else if (adr->status & AUDIO_STATUS_PLAY_DMA1_REQUEST) {
+			dma_to_fill = 1;
+			adr->status &= ~AUDIO_STATUS_PLAY_DMA1_REQUEST;
+		}
+		ubi32_rd->period_ptr += ubi32_rd->period_size;
+		if (ubi32_rd->period_ptr >= ubi32_rd->dma_buffer_end) {
+			ubi32_rd->period_ptr = ubi32_rd->dma_buffer;
+		}
+		adr->dma_xfer_requests[dma_to_fill].ptr = (void *)ubi32_rd->period_ptr;
+		adr->dma_xfer_requests[dma_to_fill].ctr = ubi32_rd->period_size;
+		adr->dma_xfer_requests[dma_to_fill].active = 1;
+#ifdef CONFIG_SND_DEBUG
+		snd_printk(KERN_INFO "xfer_request %d ptr=0x%x ctr=%u\n", dma_to_fill, ubi32_rd->period_ptr, ubi32_rd->period_size);
+#endif
+		adr->int_flags |= AUDIO_INT_FLAG_MORE_SAMPLES;
+		snd_ubi32_vp_int_set(substream->pcm);
+	}
+	// If we are interrupted by the VP, that means we completed
+	// processing one period of audio.  We need to inform the upper
+	// layers of ALSA of this.
+	snd_pcm_period_elapsed(substream);
+
+	return IRQ_HANDLED;
+}
+
+void __devexit snd_ubi32_pcm_remove(struct ubi32_snd_priv *ubi32_priv)
+{
+	struct snd_pcm *pcm = ubi32_priv->pcm;
+	free_irq(ubi32_priv->rx_irq, pcm);
+}
+
+#if SNDRV_PCM_RATE_5512 != 1 << 0 || SNDRV_PCM_RATE_192000 != 1 << 12
+#error "Change this table to match pcm.h"
+#endif
+static unsigned int rates[] __initdata = {5512, 8000, 11025, 16000, 22050,
+					  32000, 44100, 48000, 64000, 88200,
+					  96000, 176400, 192000};
+
+/*
+ * snd_ubi32_pcm_probe
+ */
+int __devinit snd_ubi32_pcm_probe(struct ubi32_snd_priv *ubi32_priv, struct platform_device *pdev)
+{
+	struct snd_pcm *pcm;
+	int ret, err;
+	int i;
+	int j;
+	int nrates;
+	unsigned int rate_max = 0;
+	unsigned int rate_min = 0xFFFFFFFF;
+	unsigned int rate_mask = 0;
+	struct audio_dev_regs *adr;
+	struct resource *res_adr;
+	struct resource *res_irq_tx;
+	struct resource *res_irq_rx;
+	struct ubi32pcm_platform_data *pdata;
+
+	pdata = pdev->dev.platform_data;
+	if (!pdata) {
+		return -ENODEV;
+	}
+
+	/*
+	 * Get our resources, adr is the hardware driver base address
+	 * and the tx and rx irqs are used to communicate with the
+	 * hardware driver.
+	 */
+	res_adr = platform_get_resource(pdev, IORESOURCE_MEM, AUDIO_MEM_RESOURCE);
+	res_irq_tx = platform_get_resource(pdev, IORESOURCE_IRQ, AUDIO_TX_IRQ_RESOURCE);
+	res_irq_rx = platform_get_resource(pdev, IORESOURCE_IRQ, AUDIO_RX_IRQ_RESOURCE);
+	if (!res_adr || !res_irq_tx || !res_irq_rx) {
+		snd_printk(KERN_WARNING "Could not get resources");
+		return -ENODEV;
+	}
+
+	ubi32_priv->ar = (struct audio_regs *)res_adr->start;
+	ubi32_priv->tx_irq = res_irq_tx->start;
+	ubi32_priv->rx_irq = res_irq_rx->start;
+	ubi32_priv->irq_idx = pdata->inst_num;
+	ubi32_priv->adr = &(ubi32_priv->ar->adr[pdata->inst_num]);
+
+	/*
+	 * Check the version
+	 */
+	adr = ubi32_priv->adr;
+	if (adr->version != AUDIO_DEV_REGS_VERSION) {
+		snd_printk(KERN_WARNING "This audio_dev_reg is not compatible with this driver\n");
+		return -ENODEV;
+	}
+
+	/*
+	 * Find out the standard rates, also find max and min rates
+	 */
+	for (i = 0; i < ARRAY_SIZE(rates); i++) {
+		int found = 0;
+		for (j = 0; j < adr->n_sample_rates; j++) {
+			if (rates[i] == adr->sample_rates[j]) {
+				/*
+				 * Check to see if it is supported by the dac
+				 */
+				if ((rates[i] >= ubi32_priv->min_sample_rate) &&
+				    (!ubi32_priv->max_sample_rate ||
+				     (ubi32_priv->max_sample_rate && (rates[i] <= ubi32_priv->max_sample_rate)))) {
+					found = 1;
+					rate_mask |= (1 << i);
+					nrates++;
+					if (rates[i] < rate_min) {
+						rate_min = rates[i];
+					}
+					if (rates[i] > rate_max) {
+						rate_max = rates[i];
+					}
+					break;
+				}
+			}
+		}
+		if (!found) {
+			rate_mask |= SNDRV_PCM_RATE_KNOT;
+		}
+	}
+
+	snd_ubi32_pcm_hw.rates = rate_mask;
+	snd_ubi32_pcm_hw.rate_min = rate_min;
+	snd_ubi32_pcm_hw.rate_max = rate_max;
+	ubi32_pcm_rates.count = adr->n_sample_rates;
+	ubi32_pcm_rates.list = (unsigned int *)adr->sample_rates;
+	ubi32_pcm_rates.mask = 0;
+
+	for (i = 0; i < 32; i++) {
+		if (adr->channel_mask & (1 << i)) {
+			if (!snd_ubi32_pcm_hw.channels_min) {
+				snd_ubi32_pcm_hw.channels_min = i;
+			}
+			snd_ubi32_pcm_hw.channels_max = i;
+		}
+	}
+	snd_printk(KERN_INFO "Ubi32PCM: channels_min:%u channels_max:%u\n",
+		   snd_ubi32_pcm_hw.channels_min,
+		   snd_ubi32_pcm_hw.channels_max);
+
+	if (adr->caps & AUDIONODE_CAP_BE) {
+		snd_ubi32_pcm_hw.formats |= SNDRV_PCM_FMTBIT_S16_BE;
+	}
+	if (adr->caps & AUDIONODE_CAP_LE) {
+		snd_ubi32_pcm_hw.formats |= SNDRV_PCM_FMTBIT_S16_LE;
+	}
+
+	snd_printk(KERN_INFO "Ubi32PCM: rates:%08x min:%u max:%u count:%d fmts:%016llx (%s)\n",
+		   snd_ubi32_pcm_hw.rates,
+		   snd_ubi32_pcm_hw.rate_min,
+		   snd_ubi32_pcm_hw.rate_max,
+		   ubi32_pcm_rates.count,
+		   snd_ubi32_pcm_hw.formats,
+		   ubi32_priv->is_capture ? "capture" : "playback");
+
+	if (ubi32_priv->is_capture) {
+		ret = snd_pcm_new(ubi32_priv->card, "Ubi32 PCM", 0, 0, 1, &pcm);
+	} else {
+		ret = snd_pcm_new(ubi32_priv->card, "Ubi32 PCM", 0, 1, 0, &pcm);
+	}
+
+	if (ret < 0) {
+		return ret;
+	}
+
+	pcm->private_data = ubi32_priv;
+	ubi32_priv->pcm = pcm;
+	ubi32_priv->pdata = pdata;
+
+	pcm->info_flags = 0;
+
+	strcpy(pcm->name, "Ubi32-PCM");
+
+	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS,
+					      snd_dma_continuous_data(GFP_KERNEL),
+					      45*1024, 64*1024);
+
+	if (ubi32_priv->is_capture) {
+		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ubi32_pcm_ops);
+	} else {
+		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ubi32_pcm_ops);
+	}
+
+	/*
+	 * Start up the audio device
+	 */
+	adr->int_flags |= AUDIO_INT_FLAG_COMMAND;
+	adr->command = AUDIO_CMD_ENABLE;
+	snd_ubi32_vp_int_set(pcm);
+
+	/*
+	 * Request IRQ
+	 */
+	err = request_irq(ubi32_priv->rx_irq, snd_ubi32_pcm_interrupt, IRQF_SHARED | IRQF_DISABLED, pcm->name, pcm);
+	if (err) {
+		snd_printk(KERN_WARNING "request_irq failed: irq=%d err=%d\n", ubi32_priv->rx_irq, err);
+		return -ENODEV;
+	}
+
+	return ret;
+
+}