From 0cc08f76887f25565a4d4c35abc43b44b72da79a Mon Sep 17 00:00:00 2001 From: nbd Date: Fri, 12 Aug 2005 13:59:13 +0000 Subject: add pspboot support, cleanup in ar7 board support git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@1611 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- target/linux/image/ar7/Makefile | 5 +- .../linux-2.4/patches/ar7/000-ar7_support.patch | 3917 ++++++++++---------- 2 files changed, 1964 insertions(+), 1958 deletions(-) (limited to 'target/linux') diff --git a/target/linux/image/ar7/Makefile b/target/linux/image/ar7/Makefile index ee2b570eb7..1d1aea725b 100644 --- a/target/linux/image/ar7/Makefile +++ b/target/linux/image/ar7/Makefile @@ -64,14 +64,15 @@ $(BIN_DIR)/openwrt-ar7-$(KERNEL)-$(FS).bin: $(BIN_DIR)/openwrt-ar7-2.4-kernel.bi define pattern_template $(BIN_DIR)/openwrt-ar7-$(KERNEL)-$(FS)-$(1).bin: $(BIN_DIR)/openwrt-ar7-$(KERNEL)-$(FS).bin (dd if=/dev/zero bs=16 count=1; cat $(BIN_DIR)/openwrt-ar7-$(KERNEL)-$(FS).bin) | \ - $(STAGING_DIR)/bin/addpattern -p $(1) -o $(BIN_DIR)/openwrt-ar7-$(KERNEL)-$(FS)-$(1).bin - + $(STAGING_DIR)/bin/addpattern -p $(1) $(2) -o $(BIN_DIR)/openwrt-ar7-$(KERNEL)-$(FS)-$(1).bin + install: $(BIN_DIR)/openwrt-ar7-$(KERNEL)-$(FS)-$(1).bin endef $(eval $(call pattern_template,WA22)) $(eval $(call pattern_template,WAG2)) $(eval $(call pattern_template,WA21)) +$(eval $(call pattern_template,WA32,-b)) clean: rm -rf $(PKG_BUILD_DIR) diff --git a/target/linux/linux-2.4/patches/ar7/000-ar7_support.patch b/target/linux/linux-2.4/patches/ar7/000-ar7_support.patch index 27b76950c0..86d4d35178 100644 --- a/target/linux/linux-2.4/patches/ar7/000-ar7_support.patch +++ b/target/linux/linux-2.4/patches/ar7/000-ar7_support.patch @@ -1,997 +1,997 @@ -diff -urN linux.old/Makefile linux.dev/Makefile ---- linux.old/Makefile 2005-07-26 18:18:16.286577600 +0200 -+++ linux.dev/Makefile 2005-07-26 18:11:03.247409000 +0200 -@@ -91,7 +91,7 @@ - - CPPFLAGS := -D__KERNEL__ -I$(HPATH) - --CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes -Wno-trigraphs -O2 \ -+CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes -Wno-trigraphs -Os \ - -fno-strict-aliasing -fno-common - ifndef CONFIG_FRAME_POINTER - CFLAGS += -fomit-frame-pointer -diff -urN linux.old/arch/mips/Makefile linux.dev/arch/mips/Makefile ---- linux.old/arch/mips/Makefile 2005-07-26 18:18:16.268580336 +0200 -+++ linux.dev/arch/mips/Makefile 2005-07-26 18:11:03.268406000 +0200 -@@ -369,6 +369,16 @@ - endif - - # -+# Texas Instruments AR7 -+# -+ -+ifdef CONFIG_AR7 -+LIBS += arch/mips/ar7/ar7.o arch/mips/ar7/ar7/ar7.o -+SUBDIRS += arch/mips/ar7 arch/mips/ar7/ar7 -+LOADADDR += 0x94020000 -+endif -+ -+# - # DECstation family - # - ifdef CONFIG_DECSTATION -diff -urN linux.old/arch/mips/ar7/Makefile linux.dev/arch/mips/ar7/Makefile ---- linux.old/arch/mips/ar7/Makefile 1970-01-01 01:00:00.000000000 +0100 -+++ linux.dev/arch/mips/ar7/Makefile 2005-07-26 18:11:02.626503000 +0200 -@@ -0,0 +1,13 @@ -+.S.s: -+ $(CPP) $(AFLAGS) $< -o $*.s -+ -+.S.o: -+ $(CC) $(AFLAGS) -c $< -o $*.o +diff -urN linux.old/arch/mips/ar7/cmdline.c linux.dev/arch/mips/ar7/cmdline.c +--- linux.old/arch/mips/ar7/cmdline.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux.dev/arch/mips/ar7/cmdline.c 2005-08-12 19:32:05.137225512 +0200 +@@ -0,0 +1,64 @@ ++/* ++ * Carsten Langgaard, carstenl@mips.com ++ * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. ++ * ++ * This program is free software; you can distribute it and/or modify it ++ * under the terms of the GNU General Public License (Version 2) as ++ * published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ++ * for more details. ++ * ++ * You should have received a copy of the GNU General Public License along ++ * with this program; if not, write to the Free Software Foundation, Inc., ++ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. ++ * ++ * Kernel command line creation using the prom monitor (YAMON) argc/argv. ++ */ ++#include ++#include + -+EXTRA_CFLAGS := -I$(TOPDIR)/include/asm/ar7 -DLITTLE_ENDIAN -D_LINK_KSEG0_ -+O_TARGET := ar7.o ++#include + -+obj-y := tnetd73xx_misc.o -+obj-y += setup.o irq.o mipsIRQ.o reset.o init.o memory.o printf.o cmdline.o time.o ++extern int prom_argc; ++extern int *_prom_argv; + -+include $(TOPDIR)/Rules.make -diff -urN linux.old/arch/mips/ar7/ar7/Makefile linux.dev/arch/mips/ar7/ar7/Makefile ---- linux.old/arch/mips/ar7/ar7/Makefile 1970-01-01 01:00:00.000000000 +0100 -+++ linux.dev/arch/mips/ar7/ar7/Makefile 2005-07-26 18:11:02.621504000 +0200 -@@ -0,0 +1,31 @@ -+# $Id$ -+# Copyright (C) $Date$ $Author$ -+# -+# 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. -+# -+# This program is distributed in the hope that it will be useful, -+# but WITHOUT ANY WARRANTY; without even the implied warranty of -+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+# GNU General Public License for more details. -+# -+# You should have received a copy of the GNU General Public License -+# along with this program; if not, write to the Free Software -+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ++/* ++ * YAMON (32-bit PROM) pass arguments and environment as 32-bit pointer. ++ * This macro take care of sign extension. ++ */ ++#define prom_argv(index) ((char *)(((int *)(int)_prom_argv)[(index)])) + -+.S.s: -+ $(CPP) $(AFLAGS) $< -o $*.s ++char arcs_cmdline[CL_SIZE]; + -+.S.o: -+ $(CC) $(AFLAGS) -c $< -o $*.o ++char * __init prom_getcmdline(void) ++{ ++ return &(arcs_cmdline[0]); ++} + -+EXTRA_CFLAGS := -DLITTLE_ENDIAN -D_LINK_KSEG0_ + -+O_TARGET := ar7.o ++void __init prom_init_cmdline(void) ++{ ++ char *cp; ++ int actr; + -+export-objs := misc.o -+obj-y += paging.o jump.o misc.o ++ actr = 1; /* Always ignore argv[0] */ + -+include $(TOPDIR)/Rules.make -diff -urN linux.old/arch/mips/ar7/ar7/jump.S linux.dev/arch/mips/ar7/ar7/jump.S ---- linux.old/arch/mips/ar7/ar7/jump.S 1970-01-01 01:00:00.000000000 +0100 -+++ linux.dev/arch/mips/ar7/ar7/jump.S 2005-07-26 18:11:02.621504000 +0200 -@@ -0,0 +1,89 @@ ++ cp = &(arcs_cmdline[0]); ++#ifdef CONFIG_CMDLINE_BOOL ++ strcpy(cp, CONFIG_CMDLINE); ++ cp += strlen(CONFIG_CMDLINE); ++ *cp++ = ' '; ++#endif ++ while(actr < prom_argc) { ++ strcpy(cp, prom_argv(actr)); ++ cp += strlen(prom_argv(actr)); ++ *cp++ = ' '; ++ actr++; ++ } ++ if (cp != &(arcs_cmdline[0])) /* get rid of trailing space */ ++ --cp; ++ *cp = '\0'; ++} +diff -urN linux.old/arch/mips/ar7/init.c linux.dev/arch/mips/ar7/init.c +--- linux.old/arch/mips/ar7/init.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux.dev/arch/mips/ar7/init.c 2005-08-12 19:34:07.215666768 +0200 +@@ -0,0 +1,182 @@ +/* -+ * $Id$ -+ * Copyright (C) $Date$ $Author$ -+ * -+ * 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. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -+ * ++ * Carsten Langgaard, carstenl@mips.com ++ * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. ++ * ++ * This program is free software; you can distribute it and/or modify it ++ * under the terms of the GNU General Public License (Version 2) as ++ * published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ++ * for more details. ++ * ++ * You should have received a copy of the GNU General Public License along ++ * with this program; if not, write to the Free Software Foundation, Inc., ++ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. ++ * ++ * PROM library initialisation code. + */ -+ +#include -+#include ++#include ++#include ++#include ++#include + -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include ++#include ++#include ++#include + -+.text ++/* Environment variable */ ++typedef struct { ++ char *name; ++ char *val; ++} t_env_var; + -+.set noreorder -+.set noat -+ -+/* TLB Miss Vector */ -+ -+LEAF(jump_tlb_miss) -+ .set mips2 -+ lui k0,0x9400 -+ ori k0,0 -+ jr k0 -+ nop -+END(jump_tlb_miss) -+ -+ /* Unused TLB Miss Vector */ -+ -+LEAF(jump_tlb_miss_unused) -+ .set mips2 -+ lui k0,0x9400 -+ ori k0,0x80 -+ jr k0 -+ nop -+END(jump_tlb_miss_unused) -+ -+ /* Cache Error Vector */ -+ -+LEAF(jump_cache_error) -+ .set mips2 -+ lui k0,0x9400 -+ ori k0,0x100 -+ jr k0 -+ nop -+END(jump_cache_error) -+ -+ /* General Exception */ -+ -+LEAF(jump_general_exception) -+ .set mips2 -+ lui k0,0x9400 -+ ori k0,0x180 -+ jr k0 -+ nop -+END(jump_general_exception) -+ -+ /* Dedicated Interrupt */ -+ -+LEAF(jump_dedicated_interrupt) -+ .set mips2 -+ lui k0,0x9400 -+ ori k0,0x200 -+ jr k0 -+ nop -+END(jump_dedicated_interrupt) -+ -+ .set at -diff -urN linux.old/arch/mips/ar7/ar7/misc.c linux.dev/arch/mips/ar7/ar7/misc.c ---- linux.old/arch/mips/ar7/ar7/misc.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux.dev/arch/mips/ar7/ar7/misc.c 2005-07-26 18:11:02.622504000 +0200 -@@ -0,0 +1,319 @@ -+#include -+#include -+#include -+#include ++int prom_argc; ++int *_prom_argv, *_prom_envp; + -+#define TRUE 1 ++/* max # of Adam2 environment variables */ ++#define MAX_ENV_ENTRY 80 + -+static unsigned int avalanche_vbus_freq; ++static t_env_var local_envp[MAX_ENV_ENTRY]; ++static int env_type = 0; ++int init_debug = 0; + -+REMOTE_VLYNQ_DEV_RESET_CTRL_FN p_remote_vlynq_dev_reset_ctrl = NULL; ++unsigned int max_env_entry; + -+/***************************************************************************** -+ * Reset Control Module. -+ *****************************************************************************/ -+void avalanche_reset_ctrl(unsigned int module_reset_bit, -+ AVALANCHE_RESET_CTRL_T reset_ctrl) ++extern char *prom_psp_getenv(char *envname); ++ ++static inline char *prom_adam2_getenv(char *envname) +{ -+ volatile unsigned int *reset_reg = (unsigned int*) AVALANCHE_RST_CTRL_PRCR; -+ -+ if(module_reset_bit >= 32 && module_reset_bit < 64) -+ return; ++ /* ++ * Return a pointer to the given environment variable. ++ * In 64-bit mode: we're using 64-bit pointers, but all pointers ++ * in the PROM structures are only 32-bit, so we need some ++ * workarounds, if we are running in 64-bit mode. ++ */ ++ int i; ++ t_env_var *env = (t_env_var *) local_envp; + -+ if(module_reset_bit >= 64) -+ { -+ if(p_remote_vlynq_dev_reset_ctrl) -+ return(p_remote_vlynq_dev_reset_ctrl(module_reset_bit - 64, reset_ctrl)); -+ else -+ return; -+ } -+ -+ if(reset_ctrl == OUT_OF_RESET) -+ *reset_reg |= 1 << module_reset_bit; -+ else -+ *reset_reg &= ~(1 << module_reset_bit); -+} ++ if (strcmp("bootloader", envname) == 0) ++ return "Adam2"; + -+AVALANCHE_RESET_CTRL_T avalanche_get_reset_status(unsigned int module_reset_bit) -+{ -+ volatile unsigned int *reset_reg = (unsigned int*) AVALANCHE_RST_CTRL_PRCR; ++ i = strlen(envname); ++ while (env->name) { ++ if(strncmp(envname, env->name, i) == 0) { ++ return(env->val); ++ } ++ env++; ++ } + -+ return (((*reset_reg) & (1 << module_reset_bit)) ? OUT_OF_RESET : IN_RESET ); ++ return NULL; +} + -+void avalanche_sys_reset(AVALANCHE_SYS_RST_MODE_T mode) ++char *prom_getenv(char *envname) +{ -+ volatile unsigned int *sw_reset_reg = (unsigned int*) AVALANCHE_RST_CTRL_SWRCR; -+ *sw_reset_reg = mode; ++ if (env_type == 1) ++ return prom_psp_getenv(envname); ++ else ++ return prom_adam2_getenv(envname); +} + -+#define AVALANCHE_RST_CTRL_RSR_MASK 0x3 -+ -+AVALANCHE_SYS_RESET_STATUS_T avalanche_get_sys_last_reset_status() ++static inline unsigned char str2hexnum(unsigned char c) +{ -+ volatile unsigned int *sys_reset_status = (unsigned int*) AVALANCHE_RST_CTRL_RSR; -+ -+ return ( (AVALANCHE_SYS_RESET_STATUS_T) (*sys_reset_status & AVALANCHE_RST_CTRL_RSR_MASK) ); ++ if (c >= '0' && c <= '9') ++ return c - '0'; ++ if (c >= 'a' && c <= 'f') ++ return c - 'a' + 10; ++ return 0; /* foo */ +} + ++static inline void str2eaddr(unsigned char *ea, unsigned char *str) ++{ ++ int i; + -+/***************************************************************************** -+ * Power Control Module -+ *****************************************************************************/ -+#define AVALANCHE_GLOBAL_POWER_DOWN_MASK 0x3FFFFFFF /* bit 31, 30 masked */ -+#define AVALANCHE_GLOBAL_POWER_DOWN_BIT 30 /* shift to bit 30, 31 */ ++ for (i = 0; i < 6; i++) { ++ unsigned char num; + ++ if((*str == '.') || (*str == ':')) ++ str++; ++ num = str2hexnum(*str++) << 4; ++ num |= (str2hexnum(*str++)); ++ ea[i] = num; ++ } ++} + -+void avalanche_power_ctrl(unsigned int module_power_bit, AVALANCHE_POWER_CTRL_T power_ctrl) ++int get_ethernet_addr(char *ethernet_addr) +{ -+ volatile unsigned int *power_reg = (unsigned int*)AVALANCHE_POWER_CTRL_PDCR; ++ char *ethaddr_str; + -+ if (power_ctrl == POWER_CTRL_POWER_DOWN) -+ /* power down the module */ -+ *power_reg |= (1 << module_power_bit); -+ else -+ /* power on the module */ -+ *power_reg &= (~(1 << module_power_bit)); -+} ++ ethaddr_str = prom_getenv("ethaddr"); ++ if (!ethaddr_str) { ++ printk("ethaddr not set in boot prom\n"); ++ return -1; ++ } ++ str2eaddr(ethernet_addr, ethaddr_str); + -+AVALANCHE_POWER_CTRL_T avalanche_get_power_status(unsigned int module_power_bit) -+{ -+ volatile unsigned int *power_status_reg = (unsigned int*)AVALANCHE_POWER_CTRL_PDCR; ++ if (init_debug > 1) { ++ int i; ++ printk("get_ethernet_addr: "); ++ for (i=0; i<5; i++) ++ printk("%02x:", (unsigned char)*(ethernet_addr+i)); ++ printk("%02x\n", *(ethernet_addr+i)); ++ } + -+ return (((*power_status_reg) & (1 << module_power_bit)) ? POWER_CTRL_POWER_DOWN : POWER_CTRL_POWER_UP); ++ return 0; +} + -+void avalanche_set_global_power_mode(AVALANCHE_SYS_POWER_MODE_T power_mode) -+{ -+ volatile unsigned int *power_status_reg = (unsigned int*)AVALANCHE_POWER_CTRL_PDCR; ++struct psbl_rec { ++ unsigned int psbl_size; ++ unsigned int env_base; ++ unsigned int env_size; ++ unsigned int ffs_base; ++ unsigned int ffs_size; ++}; + -+ *power_status_reg &= AVALANCHE_GLOBAL_POWER_DOWN_MASK; -+ *power_status_reg |= ( power_mode << AVALANCHE_GLOBAL_POWER_DOWN_BIT); -+} ++static const char psp_env_version[] = "TIENV0.8"; + -+AVALANCHE_SYS_POWER_MODE_T avalanche_get_global_power_mode(void) ++int __init prom_init(int argc, char **argv, char **envp) +{ -+ volatile unsigned int *power_status_reg = (unsigned int*)AVALANCHE_POWER_CTRL_PDCR; -+ -+ return((AVALANCHE_SYS_POWER_MODE_T) (((*power_status_reg) & (~AVALANCHE_GLOBAL_POWER_DOWN_MASK)) -+ >> AVALANCHE_GLOBAL_POWER_DOWN_BIT)); -+} ++ int i; + -+/***************************************************************************** -+ * GPIO Control -+ *****************************************************************************/ ++ t_env_var *env = (t_env_var *) envp; ++ struct psbl_rec *psbl = (struct psbl_rec *)(KSEG1ADDR(0x94000300)); ++ void *psp_env = (void *)KSEG1ADDR(psbl->env_base); + -+/**************************************************************************** -+ * FUNCTION: avalanche_gpio_init -+ ***************************************************************************/ -+void avalanche_gpio_init(void) -+{ -+ spinlock_t closeLock; -+ unsigned int closeFlag; -+ volatile unsigned int *reset_reg = (unsigned int*) AVALANCHE_RST_CTRL_PRCR; -+ spin_lock_irqsave(&closeLock, closeFlag); -+ *reset_reg |= (1 << AVALANCHE_GPIO_RESET_BIT); -+ spin_unlock_irqrestore(&closeLock, closeFlag); -+} ++ prom_argc = argc; ++ _prom_argv = (int *)argv; ++ _prom_envp = (int *)envp; + -+/**************************************************************************** -+ * FUNCTION: avalanche_gpio_ctrl -+ ***************************************************************************/ -+int avalanche_gpio_ctrl(unsigned int gpio_pin, -+ AVALANCHE_GPIO_PIN_MODE_T pin_mode, -+ AVALANCHE_GPIO_PIN_DIRECTION_T pin_direction) -+{ -+ spinlock_t closeLock; -+ unsigned int closeFlag; -+ volatile unsigned int *gpio_ctrl = (unsigned int*)AVALANCHE_GPIO_ENBL; ++ if(strcmp(psp_env, psp_env_version) == 0) { ++ /* PSPBOOT */ + -+ if(gpio_pin >= 32) -+ return(-1); ++ env_type = 1; ++ _prom_envp = psp_env; ++ max_env_entry = (psbl->env_size / 16) - 1; ++ } else { ++ /* Copy what we need locally so we are not dependent on ++ * bootloader RAM. In Adam2, the environment parameters ++ * are in flash but the table that references them is in ++ * RAM ++ */ + -+ spin_lock_irqsave(&closeLock, closeFlag); ++ for(i=0; i < MAX_ENV_ENTRY; i++, env++) { ++ if (env->name) { ++ local_envp[i].name = env->name; ++ local_envp[i].val = env->val; ++ } else { ++ local_envp[i].name = NULL; ++ local_envp[i].val = NULL; ++ } ++ } ++ } + -+ if(pin_mode == GPIO_PIN) -+ { -+ *gpio_ctrl |= (1 << gpio_pin); ++ set_io_port_base(0); + -+ gpio_ctrl = (unsigned int*)AVALANCHE_GPIO_DIR; -+ -+ if(pin_direction == GPIO_INPUT_PIN) -+ *gpio_ctrl |= (1 << gpio_pin); -+ else -+ *gpio_ctrl &= ~(1 << gpio_pin); -+ } -+ else /* FUNCTIONAL PIN */ -+ { -+ *gpio_ctrl &= ~(1 << gpio_pin); -+ } -+ -+ spin_unlock_irqrestore(&closeLock, closeFlag); ++ prom_printf("\nLINUX started...\n"); ++ prom_init_cmdline(); ++ prom_meminit(); + -+ return (0); ++ return 0; +} +diff -urN linux.old/arch/mips/ar7/irq.c linux.dev/arch/mips/ar7/irq.c +--- linux.old/arch/mips/ar7/irq.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux.dev/arch/mips/ar7/irq.c 2005-08-12 23:42:18.679820112 +0200 +@@ -0,0 +1,709 @@ ++/* ++ * Nitin Dhingra, iamnd@ti.com ++ * Copyright (C) 2002 Texas Instruments, Inc. All rights reserved. ++ * ++ * ######################################################################## ++ * ++ * This program is free software; you can distribute it and/or modify it ++ * under the terms of the GNU General Public License (Version 2) as ++ * published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ++ * for more details. ++ * ++ * You should have received a copy of the GNU General Public License along ++ * with this program; if not, write to the Free Software Foundation, Inc., ++ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. ++ * ++ * ######################################################################## ++ * ++ * Routines for generic manipulation of the interrupts found on the Texas ++ * Instruments avalanche board ++ * ++ */ + -+/**************************************************************************** -+ * FUNCTION: avalanche_gpio_out -+ ***************************************************************************/ -+int avalanche_gpio_out_bit(unsigned int gpio_pin, int value) -+{ -+ spinlock_t closeLock; -+ unsigned int closeFlag; -+ volatile unsigned int *gpio_out = (unsigned int*) AVALANCHE_GPIO_DATA_OUT; -+ -+ if(gpio_pin >= 32) -+ return(-1); -+ -+ spin_lock_irqsave(&closeLock, closeFlag); -+ if(value == TRUE) -+ *gpio_out |= 1 << gpio_pin; -+ else -+ *gpio_out &= ~(1 << gpio_pin); -+ spin_unlock_irqrestore(&closeLock, closeFlag); ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include + -+ return(0); -+} + -+/**************************************************************************** -+ * FUNCTION: avalanche_gpio_in -+ ***************************************************************************/ -+int avalanche_gpio_in_bit(unsigned int gpio_pin) -+{ -+ spinlock_t closeLock; -+ unsigned int closeFlag; -+ volatile unsigned int *gpio_in = (unsigned int*) AVALANCHE_GPIO_DATA_IN; -+ int ret_val = 0; -+ -+ if(gpio_pin >= 32) -+ return(-1); ++#define shutdown_avalanche_irq disable_avalanche_irq ++#define mask_and_ack_avalanche_irq disable_avalanche_irq + -+ spin_lock_irqsave(&closeLock, closeFlag); -+ ret_val = ((*gpio_in) & (1 << gpio_pin)); -+ spin_unlock_irqrestore(&closeLock, closeFlag); -+ -+ return (ret_val); -+} ++static unsigned int startup_avalanche_irq(unsigned int irq); ++static void end_avalanche_irq(unsigned int irq); ++void enable_avalanche_irq(unsigned int irq_nr); ++void disable_avalanche_irq(unsigned int irq_nr); + -+/**************************************************************************** -+ * FUNCTION: avalanche_gpio_out_val -+ ***************************************************************************/ -+int avalanche_gpio_out_value(unsigned int out_val, unsigned int out_mask, -+ unsigned int reg_index) -+{ -+ spinlock_t closeLock; -+ unsigned int closeFlag; -+ volatile unsigned int *gpio_out = (unsigned int*) AVALANCHE_GPIO_DATA_OUT; ++static struct hw_interrupt_type avalanche_irq_type = { ++ "TI AVALANCHE", ++ startup_avalanche_irq, ++ shutdown_avalanche_irq, ++ enable_avalanche_irq, ++ disable_avalanche_irq, ++ mask_and_ack_avalanche_irq, ++ end_avalanche_irq, ++ NULL ++}; + -+ if(reg_index > 0) -+ return(-1); ++irq_desc_t irq_desc_ti[AVALANCHE_INT_END+1] __cacheline_aligned = ++{ [0 ... AVALANCHE_INT_END] = { 0, &avalanche_irq_type, NULL, 0, SPIN_LOCK_UNLOCKED}}; + -+ spin_lock_irqsave(&closeLock, closeFlag); -+ *gpio_out &= ~out_mask; -+ *gpio_out |= out_val; -+ spin_unlock_irqrestore(&closeLock, closeFlag); + -+ return(0); -+} ++unsigned long spurious_count = 0; + -+/**************************************************************************** -+ * FUNCTION: avalanche_gpio_in_value -+ ***************************************************************************/ -+int avalanche_gpio_in_value(unsigned int* in_val, unsigned int reg_index) -+{ -+ spinlock_t closeLock; -+ unsigned int closeFlag; -+ volatile unsigned int *gpio_in = (unsigned int*) AVALANCHE_GPIO_DATA_IN; -+ -+ if(reg_index > 0) -+ return(-1); ++struct avalanche_ictrl_regs *avalanche_hw0_icregs; /* Interrupt control regs (primary) */ ++struct avalanche_exctrl_regs *avalanche_hw0_ecregs; /* Exception control regs (secondary) */ ++struct avalanche_ipace_regs *avalanche_hw0_ipaceregs; ++struct avalanche_channel_int_number *avalanche_hw0_chregs; /* Channel control registers */ + -+ spin_lock_irqsave(&closeLock, closeFlag); -+ *in_val = *gpio_in; -+ spin_unlock_irqrestore(&closeLock, closeFlag); ++extern asmlinkage void mipsIRQ(void); + -+ return (0); -+} + -+/*********************************************************************** ++/* ++ * The avalanche/MIPS interrupt line numbers are used to represent the ++ * interrupts within the irqaction arrays. The index notation is ++ * is as follows: + * -+ * Wakeup Control Module for TNETV1050 Communication Processor ++ * 0-7 MIPS CPU Exceptions (HW/SW) ++ * 8-47 Primary Interrupts (Avalanche) ++ * 48-79 Secondary Interrupts (Avalanche) + * -+ ***********************************************************************/ ++ */ + -+#define AVALANCHE_WAKEUP_POLARITY_BIT 16 + -+void avalanche_wakeup_ctrl(AVALANCHE_WAKEUP_INTERRUPT_T wakeup_int, -+ AVALANCHE_WAKEUP_CTRL_T wakeup_ctrl, -+ AVALANCHE_WAKEUP_POLARITY_T wakeup_polarity) ++static struct irqaction *hw0_irq_action_primary[AVINTNUM(AVALANCHE_INT_END_PRIMARY)] = +{ -+ volatile unsigned int *wakeup_status_reg = (unsigned int*) AVALANCHE_WAKEUP_CTRL_WKCR; -+ -+ /* enable/disable */ -+ if (wakeup_ctrl == WAKEUP_ENABLED) -+ /* enable wakeup */ -+ *wakeup_status_reg |= wakeup_int; -+ else -+ /* disable wakeup */ -+ *wakeup_status_reg &= (~wakeup_int); -+ -+ /* set polarity */ -+ if (wakeup_polarity == WAKEUP_ACTIVE_LOW) -+ *wakeup_status_reg |= (wakeup_int << AVALANCHE_WAKEUP_POLARITY_BIT); -+ else -+ *wakeup_status_reg &= ~(wakeup_int << AVALANCHE_WAKEUP_POLARITY_BIT); -+} ++ NULL, NULL, NULL, NULL, ++ NULL, NULL, NULL, NULL, ++ NULL, NULL, NULL, NULL, ++ NULL, NULL, NULL, NULL, ++ NULL, NULL, NULL, NULL, ++ NULL, NULL, NULL, NULL, ++ NULL, NULL, NULL, NULL, ++ NULL, NULL, NULL, NULL, ++ NULL, NULL, NULL, NULL, ++ NULL, NULL, NULL, NULL ++}; + -+void avalanche_set_vbus_freq(unsigned int new_vbus_freq) ++static struct irqaction *hw0_irq_action_secondary[AVINTNUM(AVALANCHE_INT_END_SECONDARY)] = +{ -+ avalanche_vbus_freq = new_vbus_freq; -+} ++ NULL, NULL, NULL, NULL, ++ NULL, NULL, NULL, NULL, ++ NULL, NULL, NULL, NULL, ++ NULL, NULL, NULL, NULL, ++ NULL, NULL, NULL, NULL, ++ NULL, NULL, NULL, NULL, ++ NULL, NULL, NULL, NULL, ++ NULL, NULL, NULL, NULL ++}; + -+unsigned int avalanche_get_vbus_freq() -+{ -+ return(avalanche_vbus_freq); -+} ++/* ++ This remaps interrupts to exist on other channels than the default ++ channels. essentially we can use the line # as the index for this ++ array ++ */ + -+unsigned int avalanche_get_chip_version_info() -+{ -+ return(*(volatile unsigned int*)AVALANCHE_CVR); -+} + -+SET_MDIX_ON_CHIP_FN_T p_set_mdix_on_chip_fn = NULL; ++static unsigned long line_to_channel[AVINTNUM(AVALANCHE_INT_END_PRIMARY)]; ++unsigned long uni_secondary_interrupt = 0; + -+int avalanche_set_mdix_on_chip(unsigned int base_addr, unsigned int operation) ++static struct irqaction r4ktimer_action = { ++ NULL, 0, 0, "R4000 timer/counter", NULL, NULL, ++}; ++ ++static struct irqaction *irq_action[8] = { ++ NULL, /* SW int 0 */ ++ NULL, /* SW int 1 */ ++ NULL, /* HW int 0 */ ++ NULL, ++ NULL, ++ NULL, /* HW int 3 */ ++ NULL, /* HW int 4 */ ++ &r4ktimer_action /* HW int 5 */ ++}; ++ ++static void end_avalanche_irq(unsigned int irq) +{ -+ if(p_set_mdix_on_chip_fn) -+ return (p_set_mdix_on_chip_fn(base_addr, operation)); -+ else -+ return(-1); ++ if (!(irq_desc_ti[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) ++ enable_avalanche_irq(irq); +} + -+unsigned int avalanche_is_mdix_on_chip(void) ++void disable_avalanche_irq(unsigned int irq_nr) +{ -+ return(p_set_mdix_on_chip_fn ? 1:0); -+} ++ unsigned long flags; ++ unsigned long chan_nr=0; ++ unsigned long int_bit=0; + -+EXPORT_SYMBOL(avalanche_reset_ctrl); -+EXPORT_SYMBOL(avalanche_get_reset_status); -+EXPORT_SYMBOL(avalanche_sys_reset); -+EXPORT_SYMBOL(avalanche_get_sys_last_reset_status); -+EXPORT_SYMBOL(avalanche_power_ctrl); -+EXPORT_SYMBOL(avalanche_get_power_status); -+EXPORT_SYMBOL(avalanche_set_global_power_mode); -+EXPORT_SYMBOL(avalanche_get_global_power_mode); -+EXPORT_SYMBOL(avalanche_set_mdix_on_chip); -+EXPORT_SYMBOL(avalanche_is_mdix_on_chip); ++ if(irq_nr >= AVALANCHE_INT_END) ++ { ++ printk("whee, invalid irq_nr %d\n", irq_nr); ++ panic("IRQ, you lose..."); ++ } + -+EXPORT_SYMBOL(avalanche_gpio_init); -+EXPORT_SYMBOL(avalanche_gpio_ctrl); -+EXPORT_SYMBOL(avalanche_gpio_out_bit); -+EXPORT_SYMBOL(avalanche_gpio_in_bit); -+EXPORT_SYMBOL(avalanche_gpio_out_value); -+EXPORT_SYMBOL(avalanche_gpio_in_value); ++ save_and_cli(flags); + -+EXPORT_SYMBOL(avalanche_set_vbus_freq); -+EXPORT_SYMBOL(avalanche_get_vbus_freq); + -+EXPORT_SYMBOL(avalanche_get_chip_version_info); ++ if(irq_nr < MIPS_EXCEPTION_OFFSET) ++ { ++ /* disable mips exception */ + -diff -urN linux.old/arch/mips/ar7/ar7/paging.c linux.dev/arch/mips/ar7/ar7/paging.c ---- linux.old/arch/mips/ar7/ar7/paging.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux.dev/arch/mips/ar7/ar7/paging.c 2005-07-26 18:38:00.086612640 +0200 -@@ -0,0 +1,265 @@ -+/* -+ * -*- linux-c -*- -+ * This file is subject to the terms and conditions of the GNU General Public -+ * License. See the file "COPYING" in the main directory of this archive -+ * for more details. -+ * -+ * Copyright (C) 2002 by Jeff Harrell (jharrell@ti.com) -+ * Copyright (C) 2002 Texas Instruments, Inc. -+ * -+ */ ++ int_bit = read_c0_status() & ~(1 << (8+irq_nr)); ++ change_c0_status(ST0_IM,int_bit); ++ restore_flags(flags); ++ return; ++ } + -+/* -+ * This file takes care of the "memory hole" issue that exists with the standard -+ * linux kernel and the TI Avalanche ASIC. The Avalanche ASIC requires an offset -+ * of 0x14000000 due to the ASIC's memory map constraints. This file corrects the -+ * paging tables so that the only reflect valid memory (i.e. > 0x14000000) -+ * -+ * -JAH -+ */ -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#ifdef CONFIG_BLK_DEV_INITRD -+#include -+#endif /* CONFIG_BLK_DEV_INITRD */ -+#include -+#include ++ /* irq_nr represents the line number for the interrupt. We must ++ * disable the channel number associated with that line number. ++ */ + -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include ++ if(irq_nr > AVALANCHE_INT_END_PRIMARY_REG2) ++ chan_nr = AVINTNUM(irq_nr); /*CHECK THIS ALSO*/ ++ else ++ chan_nr = line_to_channel[AVINTNUM(irq_nr)];/* WE NEED A LINE TO CHANNEL MAPPING FUNCTION HERE*/ + -+static unsigned long totalram_pages; -+/* static unsigned long totalhigh_pages; */ ++ /* disable the interrupt channel bit */ + -+#define START_PFN (NODE_DATA(0)->bdata->node_boot_start >> PAGE_SHIFT) -+#define MAX_LOW_PFN (NODE_DATA(0)->bdata->node_low_pfn) ++ /* primary interrupt #'s 0-31 */ + -+#define PFN_UP(x) (((x) + PAGE_SIZE - 1) >> PAGE_SHIFT) -+#define PFN_DOWN(x) ((x) >> PAGE_SHIFT) -+#define PFN_PHYS(x) ((x) << PAGE_SHIFT) ++ if(chan_nr <= AVINTNUM(AVALANCHE_INT_END_PRIMARY_REG1)) ++ avalanche_hw0_icregs->intecr1 = (1 << chan_nr); + -+/* -+ * We have upto 8 empty zeroed pages so we can map one of the right colour -+ * when needed. This is necessary only on R4000 / R4400 SC and MC versions -+ * where we have to avoid VCED / VECI exceptions for good performance at -+ * any price. Since page is never written to after the initialization we -+ * don't have to care about aliases on other CPUs. -+ */ ++ /* primary interrupt #'s 32-39 */ + -+static inline unsigned long setup_zero_pages(void) -+{ -+ unsigned long order, size; -+ struct page *page; -+ if(current_cpu_data.options & MIPS_CPU_VCE) -+ order = 3; -+ else -+ order = 0; ++ else if ((chan_nr <= AVINTNUM(AVALANCHE_INT_END_PRIMARY_REG2)) && ++ (chan_nr > AVINTNUM(AVALANCHE_INT_END_PRIMARY_REG1))) ++ avalanche_hw0_icregs->intecr2 = (1 << (chan_nr - AVINTNUM(AVALANCHE_INT_END_SECONDARY))); + -+ empty_zero_page = __get_free_pages(GFP_KERNEL, order); ++ else /* secondary interrupt #'s 0-31 */ ++ avalanche_hw0_ecregs->exiecr = (1 << (chan_nr - AVINTNUM(AVALANCHE_INT_END_PRIMARY))); + -+ if (!empty_zero_page) -+ panic("Oh boy, that early out of memory?"); ++ restore_flags(flags); ++} + -+ page = virt_to_page(empty_zero_page); ++void enable_avalanche_irq(unsigned int irq_nr) ++{ ++ unsigned long flags; ++ unsigned long chan_nr=0; ++ unsigned long int_bit=0; + -+ while (page < virt_to_page(empty_zero_page + (PAGE_SIZE << order))) { -+ set_bit(PG_reserved, &page->flags); -+ set_page_count(page, 0); -+ page++; ++ if(irq_nr > AVALANCHE_INT_END) { ++ printk("whee, invalid irq_nr %d\n", irq_nr); ++ panic("IRQ, you lose..."); + } + -+ size = PAGE_SIZE << order; -+ zero_page_mask = (size - 1) & PAGE_MASK; -+ memset((void *)empty_zero_page, 0, size); ++ save_and_cli(flags); + -+ return 1UL << order; -+} + -+/* -+ * paging_init() sets up the page tables -+ * -+ * This routines also unmaps the page at virtual kernel address 0, so -+ * that we can trap those pesky NULL-reference errors in the kernel. -+ */ -+void __init paging_init(void) -+{ -+ unsigned long zones_size[MAX_NR_ZONES] = {0, 0, 0}; -+ unsigned long low, start_pfn; ++ if(irq_nr < MIPS_EXCEPTION_OFFSET) ++ { ++ /* Enable MIPS exceptions */ ++ int_bit = read_c0_status(); ++ change_c0_status(ST0_IM,int_bit | (1<<(8+irq_nr))); ++ restore_flags(flags); ++ return; ++ } + -+ /* Initialize the entire pgd. */ -+ pgd_init((unsigned long)swapper_pg_dir); -+ pgd_init((unsigned long)swapper_pg_dir + PAGE_SIZE / 2); ++ /* irq_nr represents the line number for the interrupt. We must ++ * disable the channel number associated with that line number. ++ */ + ++ if(irq_nr > AVALANCHE_INT_END_PRIMARY_REG2) ++ chan_nr = AVINTNUM(irq_nr); ++ else ++ chan_nr = line_to_channel[AVINTNUM(irq_nr)]; + -+ start_pfn = START_PFN; -+ // max_dma = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT; -+ low = MAX_LOW_PFN; ++ /* enable the interrupt channel bit */ + -+ /* Avalanche DMA-able memory 0x14000000+memsize */ ++ /* primary interrupt #'s 0-31 */ ++ if(chan_nr <= AVINTNUM(AVALANCHE_INT_END_PRIMARY_REG1)) ++ avalanche_hw0_icregs->intesr1 = (1 << chan_nr); + -+ zones_size[ZONE_DMA] = low - start_pfn; ++ /* primary interrupt #'s 32 throuth 39 */ ++ else if ((chan_nr <= AVINTNUM(AVALANCHE_INT_END_PRIMARY_REG2)) && ++ (chan_nr > AVINTNUM(AVALANCHE_INT_END_PRIMARY_REG1))) ++ avalanche_hw0_icregs->intesr2 = (1 << (chan_nr - AVINTNUM(AVALANCHE_INT_END_SECONDARY))); + -+ free_area_init_node(0, NODE_DATA(0), 0, zones_size, CONFIG_AR7_MEMORY, 0); -+} ++ else /* secondary interrupt #'s 0-31 */ ++ avalanche_hw0_ecregs->exiesr = (1 << (chan_nr - AVINTNUM(AVALANCHE_INT_END_PRIMARY))); + -+extern char _ftext, _etext, _fdata, _edata, _end; -+extern char __init_begin, __init_end; ++ restore_flags(flags); ++} + -+void __init mem_init(void) ++static unsigned int startup_avalanche_irq(unsigned int irq) +{ -+ int codesize, reservedpages, datasize, initsize; -+ int tmp; ++ enable_avalanche_irq(irq); ++ return 0; /* never anything pending */ ++} + -+ max_mapnr = num_physpages = MAX_LOW_PFN - START_PFN; -+ high_memory = (void *)__va(MAX_LOW_PFN * PAGE_SIZE); + -+ /* free up the memory associated with Adam2 - -+ * that is the, after the first page that is -+ * reserved all the way up to the start of the kernel -+ */ -+ free_bootmem_node(NODE_DATA(0), (CONFIG_AR7_MEMORY+PAGE_SIZE), -+ (__pa(&_ftext))-(CONFIG_AR7_MEMORY+PAGE_SIZE) ); ++int get_irq_list(char *buf) ++{ ++ int i, len = 0; ++ int num = 0; ++ struct irqaction *action; + -+ /* this will put all low memory onto the freelists */ -+ totalram_pages += free_all_bootmem_node(NODE_DATA(0)); ++ for (i = 0; i < MIPS_EXCEPTION_OFFSET; i++, num++) ++ { ++ action = irq_action[i]; ++ if (!action) ++ continue; ++ len += sprintf(buf+len, "%2d: %8d %c %s", ++ num, kstat.irqs[0][num], ++ (action->flags & SA_INTERRUPT) ? '+' : ' ', ++ action->name); ++ for (action=action->next; action; action = action->next) { ++ len += sprintf(buf+len, ",%s %s", ++ (action->flags & SA_INTERRUPT) ? " +" : "", ++ action->name); ++ } ++ len += sprintf(buf+len, " [MIPS interrupt]\n"); ++ } + -+ /* Setup zeroed pages */ -+ totalram_pages -= setup_zero_pages(); + -+ reservedpages = 0; -+ for (tmp = 0; tmp < num_physpages; tmp++) -+ /* -+ * Only count reserved RAM pages -+ */ -+ if (PageReserved(mem_map+tmp)) -+ reservedpages++; ++ for (i = 0; i < AVINTNUM(AVALANCHE_INT_END); i++,num++) ++ { ++ if(i < AVINTNUM(AVALANCHE_INT_END_PRIMARY)) ++ action = hw0_irq_action_primary[i]; ++ else ++ action = hw0_irq_action_secondary[i-AVINTNUM(AVALANCHE_INT_END_PRIMARY)]; ++ if (!action) ++ continue; ++ len += sprintf(buf+len, "%2d: %8d %c %s", ++ num, kstat.irqs[0][ LNXINTNUM(i) ], ++ (action->flags & SA_INTERRUPT) ? '+' : ' ', ++ action->name); ++ ++ for (action=action->next; action; action = action->next) ++ { ++ len += sprintf(buf+len, ",%s %s", ++ (action->flags & SA_INTERRUPT) ? " +" : "", ++ action->name); ++ } + -+ codesize = (unsigned long) &_etext - (unsigned long) &_ftext; -+ datasize = (unsigned long) &_edata - (unsigned long) &_fdata; -+ initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin; ++ if(i < AVINTNUM(AVALANCHE_INT_END_PRIMARY)) ++ len += sprintf(buf+len, " [hw0 (Avalanche Primary)]\n"); ++ else ++ len += sprintf(buf+len, " [hw0 (Avalanche Secondary)]\n"); + -+ printk("Memory: %luk/%luk available (%dk kernel code, %dk reserved, %dk data, %dk init)\n", -+ (unsigned long) nr_free_pages() << (PAGE_SHIFT-10), -+ max_mapnr << (PAGE_SHIFT-10), -+ codesize >> 10, -+ reservedpages << (PAGE_SHIFT-10), -+ datasize >> 10, -+ initsize >> 10); ++ } + ++ return len; +} + -+/* fixes paging routines for avalanche (utilized in /arch/mips/kernel/setup.c) */ -+ -+void avalanche_bootmem_init(void) ++int request_irq(unsigned int irq, ++ void (*handler)(int, void *, struct pt_regs *), ++ unsigned long irqflags, ++ const char * devname, ++ void *dev_id) +{ -+ unsigned long start_pfn, max_pfn; -+ unsigned long max_low_pfn; -+ unsigned int memory_end,memory_start; -+ unsigned long bootmap_size; ++ struct irqaction *action; + -+ memory_start = (unsigned long)PAGE_OFFSET+CONFIG_AR7_MEMORY; -+ memory_end = memory_start + 0x02000000; -+ -+ /* -+ * Find the highest memory page fram number we have available -+ */ ++ if (irq > AVALANCHE_INT_END) ++ return -EINVAL; ++ if (!handler) ++ return -EINVAL; + -+ max_pfn = PFN_DOWN(__pa(memory_end)); ++ action = (struct irqaction *)kmalloc(sizeof(struct irqaction), GFP_KERNEL); ++ if(!action) ++ return -ENOMEM; + -+ /* -+ * Determine the low and high memory ranges -+ */ ++ action->handler = handler; ++ action->flags = irqflags; ++ action->mask = 0; ++ action->name = devname; ++ irq_desc_ti[irq].action = action; ++ action->dev_id = dev_id; + -+ max_low_pfn = max_pfn; ++ action->next = 0; + -+ /* -+ * Partially used pages are not usable - thus we are -+ * rounding upwards: -+ */ ++ if(irq < MIPS_EXCEPTION_OFFSET) ++ { ++ irq_action[irq] = action; ++ enable_avalanche_irq(irq); ++ return 0; ++ } + -+ start_pfn = PFN_UP(__pa(&_end)); ++ if(irq < AVALANCHE_INT_END_PRIMARY) ++ hw0_irq_action_primary[line_to_channel[AVINTNUM(irq)]] = action; ++ else ++ hw0_irq_action_secondary[irq - AVALANCHE_INT_END_PRIMARY] = action; + -+ /* -+ * Find a proper area for the bootmem bitmap. After this -+ * bootstrap step all allocations (until the page allocator is -+ * intact) must be done via bootmem_alloc(). -+ */ ++ enable_avalanche_irq(irq); + -+ bootmap_size = init_bootmem_node(NODE_DATA(0), start_pfn, -+ CONFIG_AR7_MEMORY>>PAGE_SHIFT, max_low_pfn); ++ return 0; ++} + ++void free_irq(unsigned int irq, void *dev_id) ++{ ++ struct irqaction *action; + -+ /* -+ * Register fully available low RAM pages with the bootmem allocator. -+ */ ++ if (irq > AVALANCHE_INT_END) { ++ printk("Trying to free IRQ%d\n",irq); ++ return; ++ } + ++ if(irq < MIPS_EXCEPTION_OFFSET) + { -+ unsigned long curr_pfn, last_pfn, pages; ++ action = irq_action[irq]; ++ irq_action[irq] = NULL; ++ irq_desc_ti[irq].action = NULL; ++ disable_avalanche_irq(irq); ++ kfree(action); ++ return; ++ } + -+ /* -+ * We are rounding up the start address of usable memory: -+ */ -+ curr_pfn = PFN_UP(CONFIG_AR7_MEMORY); ++ if(irq < AVALANCHE_INT_END_PRIMARY) { ++ action = hw0_irq_action_primary[line_to_channel[AVINTNUM(irq)]]; ++ hw0_irq_action_primary[line_to_channel[AVINTNUM(irq)]] = NULL; ++ irq_desc_ti[irq].action = NULL; ++ } ++ else { ++ action = hw0_irq_action_secondary[irq - AVALANCHE_INT_END_PRIMARY]; ++ hw0_irq_action_secondary[irq - AVALANCHE_INT_END_PRIMARY] = NULL; ++ irq_desc_ti[irq].action = NULL; ++ } + -+ /* -+ * ... and at the end of the usable range downwards: -+ */ -+ last_pfn = PFN_DOWN(__pa(memory_end)); ++ disable_avalanche_irq(irq); ++ kfree(action); ++} + -+ if (last_pfn > max_low_pfn) -+ last_pfn = max_low_pfn; ++#ifdef CONFIG_KGDB ++extern void breakpoint(void); ++extern int remote_debug; ++#endif + -+ pages = last_pfn - curr_pfn; + ++//void init_IRQ(void) __init; ++void __init init_IRQ(void) ++{ ++ int i; + -+ free_bootmem_node(NODE_DATA(0), PFN_PHYS(curr_pfn), -+ PFN_PHYS(pages)); -+ } ++ avalanche_hw0_icregs = (struct avalanche_ictrl_regs *)AVALANCHE_ICTRL_REGS_BASE; ++ avalanche_hw0_ecregs = (struct avalanche_exctrl_regs *)AVALANCHE_ECTRL_REGS_BASE; ++ avalanche_hw0_ipaceregs = (struct avalanche_ipace_regs *)AVALANCHE_IPACE_REGS_BASE; ++ avalanche_hw0_chregs = (struct avalanche_channel_int_number *)AVALANCHE_CHCTRL_REGS_BASE; + -+ /* -+ * Reserve the kernel text and -+ * Reserve the bootmem bitmap. We do this in two steps (first step -+ * was init_bootmem()), because this catches the (definitely buggy) -+ * case of us accidentally initializing the bootmem allocator with -+ * an invalid RAM area. ++ /* Disable interrupts and clear pending + */ -+ reserve_bootmem_node(NODE_DATA(0), CONFIG_AR7_MEMORY+PAGE_SIZE, -+ (PFN_PHYS(start_pfn)+bootmap_size+PAGE_SIZE-1)-CONFIG_AR7_MEMORY); + -+ /* -+ * reserve physical page 0 - it's a special BIOS page on many boxes, -+ * enabling clean reboots, SMP operation, laptop functions. -+ */ -+ reserve_bootmem_node(NODE_DATA(0), CONFIG_AR7_MEMORY, PAGE_SIZE); -+} ++ avalanche_hw0_icregs->intecr1 = 0xffffffff; /* disable interrupts 0:31 */ ++ avalanche_hw0_icregs->intcr1 = 0xffffffff; /* clear interrupts 0:31 */ ++ avalanche_hw0_icregs->intecr2 = 0xff; /* disable interrupts 32:39 */ ++ avalanche_hw0_icregs->intcr2 = 0xff; /* clear interrupts 32:39 */ ++ avalanche_hw0_ecregs->exiecr = 0xffffffff; /* disable secondary interrupts 0:31 */ ++ avalanche_hw0_ecregs->excr = 0xffffffff; /* clear secondary interrupts 0:31 */ + -+void si_meminfo(struct sysinfo *val) -+{ -+ val->totalram = totalram_pages; -+ val->sharedram = 0; -+ val->freeram = nr_free_pages(); -+ val->bufferram = atomic_read(&buffermem_pages); -+ val->totalhigh = 0; -+ val->freehigh = nr_free_highpages(); -+ val->mem_unit = PAGE_SIZE; + -+ return; -+} -diff -urN linux.old/arch/mips/ar7/cmdline.c linux.dev/arch/mips/ar7/cmdline.c ---- linux.old/arch/mips/ar7/cmdline.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux.dev/arch/mips/ar7/cmdline.c 2005-07-26 18:11:02.623504000 +0200 -@@ -0,0 +1,64 @@ -+/* -+ * Carsten Langgaard, carstenl@mips.com -+ * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. -+ * -+ * This program is free software; you can distribute it and/or modify it -+ * under the terms of the GNU General Public License (Version 2) as -+ * published by the Free Software Foundation. -+ * -+ * This program is distributed in the hope it will be useful, but WITHOUT -+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or -+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -+ * for more details. -+ * -+ * You should have received a copy of the GNU General Public License along -+ * with this program; if not, write to the Free Software Foundation, Inc., -+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. -+ * -+ * Kernel command line creation using the prom monitor (YAMON) argc/argv. -+ */ -+#include -+#include ++ // avalanche_hw0_ipaceregs->ipacep = (2*get_avalanche_vbus_freq()/1000000)*4; ++ /* hack for speeding up the pacing. */ ++ printk("the pacing pre-scalar has been set as 600.\n"); ++ avalanche_hw0_ipaceregs->ipacep = 600; ++ /* Channel to line mapping, Line to Channel mapping */ + -+#include ++ for(i = 0; i < 40; i++) ++ avalanche_int_set(i,i); + -+extern int prom_argc; -+extern int *_prom_argv; ++ /* Now safe to set the exception vector. */ ++ set_except_vector(0, mipsIRQ); + -+/* -+ * YAMON (32-bit PROM) pass arguments and environment as 32-bit pointer. -+ * This macro take care of sign extension. -+ */ -+#define prom_argv(index) ((char *)(((int *)(int)_prom_argv)[(index)])) ++ /* Setup the IRQ description array. These will be mapped ++ * as flat interrupts numbers. The mapping is as follows ++ * ++ * 0-7 MIPS CPU Exceptions (HW/SW) ++ * 8-46 Primary Interrupts (Avalanche) ++ * 47-78 Secondary Interrupts (Avalanche) ++ */ + -+char arcs_cmdline[CL_SIZE]; ++ for (i = 0; i <= AVALANCHE_INT_END; i++) ++ { ++ irq_desc_ti[i].status = IRQ_DISABLED; ++ irq_desc_ti[i].action = 0; ++ irq_desc_ti[i].depth = 1; ++ irq_desc_ti[i].handler = &avalanche_irq_type; ++ } + -+char * __init prom_getcmdline(void) -+{ -+ return &(arcs_cmdline[0]); ++#ifdef CONFIG_KGDB ++ if (remote_debug) ++ { ++ set_debug_traps(); ++ breakpoint(); ++ } ++#endif +} + -+ -+void __init prom_init_cmdline(void) ++void avalanche_hw0_irqdispatch(struct pt_regs *regs) +{ -+ char *cp; -+ int actr; -+ -+ actr = 1; /* Always ignore argv[0] */ ++ struct irqaction *action; ++ int irq, cpu = smp_processor_id(); ++ unsigned long int_line_number,status; ++ int i,secondary = 0; ++ int chan_nr=0; + -+ cp = &(arcs_cmdline[0]); -+#ifdef CONFIG_CMDLINE_BOOL -+ strcpy(cp, CONFIG_CMDLINE); -+ cp += strlen(CONFIG_CMDLINE); -+ *cp++ = ' '; -+#endif -+ while(actr < prom_argc) { -+ strcpy(cp, prom_argv(actr)); -+ cp += strlen(prom_argv(actr)); -+ *cp++ = ' '; -+ actr++; -+ } -+ if (cp != &(arcs_cmdline[0])) /* get rid of trailing space */ -+ --cp; -+ *cp = '\0'; -+} -diff -urN linux.old/arch/mips/ar7/init.c linux.dev/arch/mips/ar7/init.c ---- linux.old/arch/mips/ar7/init.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux.dev/arch/mips/ar7/init.c 2005-07-26 18:11:02.624504000 +0200 -@@ -0,0 +1,144 @@ -+/* -+ * Carsten Langgaard, carstenl@mips.com -+ * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. -+ * -+ * This program is free software; you can distribute it and/or modify it -+ * under the terms of the GNU General Public License (Version 2) as -+ * published by the Free Software Foundation. -+ * -+ * This program is distributed in the hope it will be useful, but WITHOUT -+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or -+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -+ * for more details. -+ * -+ * You should have received a copy of the GNU General Public License along -+ * with this program; if not, write to the Free Software Foundation, Inc., -+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. -+ * -+ * PROM library initialisation code. -+ */ -+#include -+#include -+#include -+#include -+#include ++ int_line_number = ((avalanche_hw0_icregs->pintir >> 16) & 0x3F); ++ chan_nr = ((avalanche_hw0_icregs->pintir) & 0x3F); + -+#include -+#include -+#include + -+/* Environment variable */ -+typedef struct { -+ char *name; -+ char *val; -+} t_env_var; ++ if(chan_nr < 32) ++ { ++ if( chan_nr != uni_secondary_interrupt) ++ avalanche_hw0_icregs->intcr1 = (1< 31)) ++ { ++ avalanche_hw0_icregs->intcr2 = (1<<(chan_nr-AVINTNUM(AVALANCHE_INT_END_SECONDARY))); ++ } + -+static t_env_var local_envp[MAX_ENV_ENTRY]; -+int init_debug = 0; + -+char *prom_getenv(char *envname) -+{ -+ /* -+ * Return a pointer to the given environment variable. -+ * In 64-bit mode: we're using 64-bit pointers, but all pointers -+ * in the PROM structures are only 32-bit, so we need some -+ * workarounds, if we are running in 64-bit mode. ++ /* If the Priority Interrupt Index Register returns 40 then no ++ * interrupts are pending + */ -+ int i, index=0; -+ t_env_var *env = (t_env_var *) local_envp; + -+ i = strlen(envname); -+ while (env->name) { -+ if(strncmp(envname, env->name, i) == 0) { -+ return(env->val); -+ } -+ env++; ++ if(chan_nr == 40) ++ return; ++ ++ if(chan_nr == uni_secondary_interrupt) ++ { ++ status = avalanche_hw0_ecregs->exsr; ++ for(i=0; i < AVINTNUM(AVALANCHE_INT_END_SECONDARY); i++) ++ { ++ if (status & 1<excr = 1 << i; ++ break; ++ } ++ } ++ irq = i; ++ secondary = 1; ++ ++ /* clear the universal secondary interrupt */ ++ avalanche_hw0_icregs->intcr1 = 1 << uni_secondary_interrupt; ++ + } ++ else ++ irq = chan_nr; + -+ return NULL; -+} ++ /* Suraj Add code to clear secondary interrupt */ + -+static inline unsigned char str2hexnum(unsigned char c) -+{ -+ if (c >= '0' && c <= '9') -+ return c - '0'; -+ if (c >= 'a' && c <= 'f') -+ return c - 'a' + 10; -+ return 0; /* foo */ -+} ++ if(secondary) ++ action = hw0_irq_action_secondary[irq]; ++ else ++ action = hw0_irq_action_primary[irq]; + -+static inline void str2eaddr(unsigned char *ea, unsigned char *str) -+{ -+ int i; ++ /* if action == NULL, then we don't have a handler for the irq */ + -+ for (i = 0; i < 6; i++) { -+ unsigned char num; ++ if ( action == NULL ) { ++ printk("No handler for hw0 irq: %i\n", irq); ++ return; ++ } + -+ if((*str == '.') || (*str == ':')) -+ str++; -+ num = str2hexnum(*str++) << 4; -+ num |= (str2hexnum(*str++)); -+ ea[i] = num; ++ irq_enter(cpu,irq); ++ if(secondary) ++ { ++ kstat.irqs[0][(irq + AVINTNUM(AVALANCHE_INT_END_PRIMARY)) + 8]++; ++ action->handler((irq + AVALANCHE_INT_END_PRIMARY), action->dev_id, regs); ++ } ++ else ++ { ++ kstat.irqs[0][irq + 8]++; ++ action->handler(LNXINTNUM(irq), action->dev_id, regs); + } ++ ++ irq_exit(cpu,irq); ++ ++ if(softirq_pending(cpu)) ++ do_softirq(); ++ ++ return; +} + -+int get_ethernet_addr(char *ethernet_addr) ++void avalanche_int_set(int channel, int line) +{ -+ char *ethaddr_str; -+ -+ ethaddr_str = prom_getenv("ethaddr"); -+ if (!ethaddr_str) { -+ printk("ethaddr not set in boot prom\n"); -+ return -1; ++ switch(channel) ++ { ++ case(0): ++ avalanche_hw0_chregs->cintnr0 = line; ++ break; ++ case(1): ++ avalanche_hw0_chregs->cintnr1 = line; ++ break; ++ case(2): ++ avalanche_hw0_chregs->cintnr2 = line; ++ break; ++ case(3): ++ avalanche_hw0_chregs->cintnr3 = line; ++ break; ++ case(4): ++ avalanche_hw0_chregs->cintnr4 = line; ++ break; ++ case(5): ++ avalanche_hw0_chregs->cintnr5 = line; ++ break; ++ case(6): ++ avalanche_hw0_chregs->cintnr6 = line; ++ break; ++ case(7): ++ avalanche_hw0_chregs->cintnr7 = line; ++ break; ++ case(8): ++ avalanche_hw0_chregs->cintnr8 = line; ++ break; ++ case(9): ++ avalanche_hw0_chregs->cintnr9 = line; ++ break; ++ case(10): ++ avalanche_hw0_chregs->cintnr10 = line; ++ break; ++ case(11): ++ avalanche_hw0_chregs->cintnr11 = line; ++ break; ++ case(12): ++ avalanche_hw0_chregs->cintnr12 = line; ++ break; ++ case(13): ++ avalanche_hw0_chregs->cintnr13 = line; ++ break; ++ case(14): ++ avalanche_hw0_chregs->cintnr14 = line; ++ break; ++ case(15): ++ avalanche_hw0_chregs->cintnr15 = line; ++ break; ++ case(16): ++ avalanche_hw0_chregs->cintnr16 = line; ++ break; ++ case(17): ++ avalanche_hw0_chregs->cintnr17 = line; ++ break; ++ case(18): ++ avalanche_hw0_chregs->cintnr18 = line; ++ break; ++ case(19): ++ avalanche_hw0_chregs->cintnr19 = line; ++ break; ++ case(20): ++ avalanche_hw0_chregs->cintnr20 = line; ++ break; ++ case(21): ++ avalanche_hw0_chregs->cintnr21 = line; ++ break; ++ case(22): ++ avalanche_hw0_chregs->cintnr22 = line; ++ break; ++ case(23): ++ avalanche_hw0_chregs->cintnr23 = line; ++ break; ++ case(24): ++ avalanche_hw0_chregs->cintnr24 = line; ++ break; ++ case(25): ++ avalanche_hw0_chregs->cintnr25 = line; ++ break; ++ case(26): ++ avalanche_hw0_chregs->cintnr26 = line; ++ break; ++ case(27): ++ avalanche_hw0_chregs->cintnr27 = line; ++ break; ++ case(28): ++ avalanche_hw0_chregs->cintnr28 = line; ++ break; ++ case(29): ++ avalanche_hw0_chregs->cintnr29 = line; ++ break; ++ case(30): ++ avalanche_hw0_chregs->cintnr30 = line; ++ break; ++ case(31): ++ avalanche_hw0_chregs->cintnr31 = line; ++ break; ++ case(32): ++ avalanche_hw0_chregs->cintnr32 = line; ++ break; ++ case(33): ++ avalanche_hw0_chregs->cintnr33 = line; ++ break; ++ case(34): ++ avalanche_hw0_chregs->cintnr34 = line; ++ break; ++ case(35): ++ avalanche_hw0_chregs->cintnr35 = line; ++ break; ++ case(36): ++ avalanche_hw0_chregs->cintnr36 = line; ++ break; ++ case(37): ++ avalanche_hw0_chregs->cintnr37 = line; ++ break; ++ case(38): ++ avalanche_hw0_chregs->cintnr38 = line; ++ break; ++ case(39): ++ avalanche_hw0_chregs->cintnr39 = line; ++ break; ++ default: ++ printk("Error: Unknown Avalanche interrupt channel\n"); + } -+ str2eaddr(ethernet_addr, ethaddr_str); + -+ if (init_debug > 1) { -+ int i; -+ printk("get_ethernet_addr: "); -+ for (i=0; i<5; i++) -+ printk("%02x:", (unsigned char)*(ethernet_addr+i)); -+ printk("%02x\n", *(ethernet_addr+i)); -+ } ++ line_to_channel[line] = channel; /* Suraj check */ ++ ++ if (channel == UNIFIED_SECONDARY_INTERRUPT) ++ uni_secondary_interrupt = line; + -+ return 0; +} + -+int __init prom_init(int argc, char **argv, char **envp) ++ ++#define AVALANCHE_MAX_PACING_BLK 3 ++#define AVALANCHE_PACING_LOW_VAL 2 ++#define AVALANCHE_PACING_HIGH_VAL 63 ++ ++int avalanche_request_pacing(int irq_nr, unsigned int blk_num, ++ unsigned int pace_value) +{ -+ int i; -+ t_env_var *env = (t_env_var *) envp; ++ unsigned int blk_offset; ++ unsigned long flags; + -+ prom_argc = argc; -+ _prom_argv = (int *)argv; -+ _prom_envp = (int *)envp; ++ if(irq_nr < MIPS_EXCEPTION_OFFSET && ++ irq_nr >= AVALANCHE_INT_END_PRIMARY) ++ return (0); + -+ /* Copy what we need locally so we are not dependent on -+ * bootloader RAM. In Adam2, the environment parameters -+ * are in flash but the table that references them is in -+ * RAM -+ */ -+ for(i=0; i < MAX_ENV_ENTRY; i++, env++) { -+ if (env->name) { -+ local_envp[i].name = env->name; -+ local_envp[i].val = env->val; -+ } else { -+ local_envp[i].name = NULL; -+ local_envp[i].val = NULL; -+ } -+ } ++ if(blk_num > AVALANCHE_MAX_PACING_BLK) ++ return(-1); + -+ set_io_port_base(0); ++ if(pace_value > AVALANCHE_PACING_HIGH_VAL && ++ pace_value < AVALANCHE_PACING_LOW_VAL) ++ return(-1); + -+ prom_printf("\nLINUX started...\n"); -+ prom_init_cmdline(); -+ prom_meminit(); ++ blk_offset = blk_num*8; + -+ return 0; -+} -diff -urN linux.old/arch/mips/ar7/irq.c linux.dev/arch/mips/ar7/irq.c ---- linux.old/arch/mips/ar7/irq.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux.dev/arch/mips/ar7/irq.c 2005-07-26 18:38:00.087612488 +0200 -@@ -0,0 +1,709 @@ -+/* -+ * Nitin Dhingra, iamnd@ti.com -+ * Copyright (C) 2002 Texas Instruments, Inc. All rights reserved. -+ * -+ * ######################################################################## ++ save_and_cli(flags); ++ ++ /* disable the interrupt pacing, if enabled previously */ ++ avalanche_hw0_ipaceregs->ipacemax &= ~(0xff << blk_offset); ++ ++ /* clear the pacing map */ ++ avalanche_hw0_ipaceregs->ipacemap &= ~(0xff << blk_offset); ++ ++ /* setup the new values */ ++ avalanche_hw0_ipaceregs->ipacemap |= ((AVINTNUM(irq_nr)) << blk_offset); ++ avalanche_hw0_ipaceregs->ipacemax |= ((0x80 | pace_value) << blk_offset); ++ ++ restore_flags(flags); ++ ++ return(0); ++} +diff -urN linux.old/arch/mips/ar7/Makefile linux.dev/arch/mips/ar7/Makefile +--- linux.old/arch/mips/ar7/Makefile 1970-01-01 01:00:00.000000000 +0100 ++++ linux.dev/arch/mips/ar7/Makefile 2005-08-12 21:21:30.425150040 +0200 +@@ -0,0 +1,14 @@ ++.S.s: ++ $(CPP) $(AFLAGS) $< -o $*.s ++ ++.S.o: ++ $(CC) $(AFLAGS) -c $< -o $*.o ++ ++EXTRA_CFLAGS := -I$(TOPDIR)/include/asm/ar7 -DLITTLE_ENDIAN -D_LINK_KSEG0_ ++O_TARGET := ar7.o ++ ++obj-y := tnetd73xx_misc.o misc.o ++export-objs := misc.o ++obj-y += setup.o irq.o mipsIRQ.o reset.o init.o psp_env.o memory.o printf.o cmdline.o time.o ++ ++include $(TOPDIR)/Rules.make +diff -urN linux.old/arch/mips/ar7/memory.c linux.dev/arch/mips/ar7/memory.c +--- linux.old/arch/mips/ar7/memory.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux.dev/arch/mips/ar7/memory.c 2005-08-12 19:52:25.301732312 +0200 +@@ -0,0 +1,131 @@ ++/* ++ * Carsten Langgaard, carstenl@mips.com ++ * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. ++ * ++ * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as @@ -1008,956 +1008,635 @@ diff -urN linux.old/arch/mips/ar7/irq.c linux.dev/arch/mips/ar7/irq.c + * + * ######################################################################## + * -+ * Routines for generic manipulation of the interrupts found on the Texas -+ * Instruments avalanche board ++ * PROM library functions for acquiring/using memory descriptors given to ++ * us from the YAMON. + * + */ -+ +#include +#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+ -+ -+#define shutdown_avalanche_irq disable_avalanche_irq -+#define mask_and_ack_avalanche_irq disable_avalanche_irq ++#include ++#include + -+static unsigned int startup_avalanche_irq(unsigned int irq); -+static void end_avalanche_irq(unsigned int irq); -+void enable_avalanche_irq(unsigned int irq_nr); -+void disable_avalanche_irq(unsigned int irq_nr); ++#include ++#include ++#include + -+static struct hw_interrupt_type avalanche_irq_type = { -+ "TI AVALANCHE", -+ startup_avalanche_irq, -+ shutdown_avalanche_irq, -+ enable_avalanche_irq, -+ disable_avalanche_irq, -+ mask_and_ack_avalanche_irq, -+ end_avalanche_irq, -+ NULL ++enum yamon_memtypes { ++ yamon_dontuse, ++ yamon_prom, ++ yamon_free, +}; ++struct prom_pmemblock mdesc[PROM_MAX_PMEMBLOCKS]; + -+irq_desc_t irq_desc_ti[AVALANCHE_INT_END+1] __cacheline_aligned = -+{ [0 ... AVALANCHE_INT_END] = { 0, &avalanche_irq_type, NULL, 0, SPIN_LOCK_UNLOCKED}}; -+ -+ -+unsigned long spurious_count = 0; -+ -+struct avalanche_ictrl_regs *avalanche_hw0_icregs; /* Interrupt control regs (primary) */ -+struct avalanche_exctrl_regs *avalanche_hw0_ecregs; /* Exception control regs (secondary) */ -+struct avalanche_ipace_regs *avalanche_hw0_ipaceregs; -+struct avalanche_channel_int_number *avalanche_hw0_chregs; /* Channel control registers */ -+ -+extern asmlinkage void mipsIRQ(void); -+ ++/* References to section boundaries */ ++extern char _end; + -+/* -+ * The avalanche/MIPS interrupt line numbers are used to represent the -+ * interrupts within the irqaction arrays. The index notation is -+ * is as follows: -+ * -+ * 0-7 MIPS CPU Exceptions (HW/SW) -+ * 8-47 Primary Interrupts (Avalanche) -+ * 48-79 Secondary Interrupts (Avalanche) -+ * -+ */ ++#define PFN_ALIGN(x) (((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK) + + -+static struct irqaction *hw0_irq_action_primary[AVINTNUM(AVALANCHE_INT_END_PRIMARY)] = ++struct prom_pmemblock * __init prom_getmdesc(void) +{ -+ NULL, NULL, NULL, NULL, -+ NULL, NULL, NULL, NULL, -+ NULL, NULL, NULL, NULL, -+ NULL, NULL, NULL, NULL, -+ NULL, NULL, NULL, NULL, -+ NULL, NULL, NULL, NULL, -+ NULL, NULL, NULL, NULL, -+ NULL, NULL, NULL, NULL, -+ NULL, NULL, NULL, NULL, -+ NULL, NULL, NULL, NULL -+}; ++ char *memsize_str; ++ unsigned int memsize; + -+static struct irqaction *hw0_irq_action_secondary[AVINTNUM(AVALANCHE_INT_END_SECONDARY)] = -+{ -+ NULL, NULL, NULL, NULL, -+ NULL, NULL, NULL, NULL, -+ NULL, NULL, NULL, NULL, -+ NULL, NULL, NULL, NULL, -+ NULL, NULL, NULL, NULL, -+ NULL, NULL, NULL, NULL, -+ NULL, NULL, NULL, NULL, -+ NULL, NULL, NULL, NULL -+}; ++ memsize_str = prom_getenv("memsize"); ++ if (!memsize_str) { ++ memsize = 0x02000000; ++ } else { ++ memsize = simple_strtol(memsize_str, NULL, 0); ++ } + -+/* -+ This remaps interrupts to exist on other channels than the default -+ channels. essentially we can use the line # as the index for this -+ array -+ */ ++ memset(mdesc, 0, sizeof(mdesc)); + ++ mdesc[0].type = yamon_dontuse; ++ mdesc[0].base = 0x00000000; ++ mdesc[0].size = CONFIG_AR7_MEMORY; + -+static unsigned long line_to_channel[AVINTNUM(AVALANCHE_INT_END_PRIMARY)]; -+unsigned long uni_secondary_interrupt = 0; ++ mdesc[1].type = yamon_prom; ++ mdesc[1].base = CONFIG_AR7_MEMORY; ++ mdesc[1].size = 0x00020000; + -+static struct irqaction r4ktimer_action = { -+ NULL, 0, 0, "R4000 timer/counter", NULL, NULL, -+}; ++ mdesc[2].type = yamon_free; ++ mdesc[2].base = CONFIG_AR7_MEMORY + 0x00020000; ++ mdesc[2].size = (memsize + CONFIG_AR7_MEMORY) - mdesc[2].base; + -+static struct irqaction *irq_action[8] = { -+ NULL, /* SW int 0 */ -+ NULL, /* SW int 1 */ -+ NULL, /* HW int 0 */ -+ NULL, -+ NULL, -+ NULL, /* HW int 3 */ -+ NULL, /* HW int 4 */ -+ &r4ktimer_action /* HW int 5 */ -+}; ++ return &mdesc[0]; ++} + -+static void end_avalanche_irq(unsigned int irq) ++static int __init prom_memtype_classify (unsigned int type) +{ -+ if (!(irq_desc_ti[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) -+ enable_avalanche_irq(irq); ++ switch (type) { ++ case yamon_free: ++ return BOOT_MEM_RAM; ++ case yamon_prom: ++ return BOOT_MEM_ROM_DATA; ++ default: ++ return BOOT_MEM_RESERVED; ++ } +} + -+void disable_avalanche_irq(unsigned int irq_nr) ++void __init prom_meminit(void) +{ -+ unsigned long flags; -+ unsigned long chan_nr=0; -+ unsigned long int_bit=0; -+ -+ if(irq_nr >= AVALANCHE_INT_END) -+ { -+ printk("whee, invalid irq_nr %d\n", irq_nr); -+ panic("IRQ, you lose..."); -+ } ++ struct prom_pmemblock *p; + -+ save_and_cli(flags); ++ p = prom_getmdesc(); + ++ while (p->size) { ++ long type; ++ unsigned long base, size; + -+ if(irq_nr < MIPS_EXCEPTION_OFFSET) -+ { -+ /* disable mips exception */ ++ type = prom_memtype_classify (p->type); ++ base = p->base; ++ size = p->size; + -+ int_bit = read_c0_status() & ~(1 << (8+irq_nr)); -+ change_c0_status(ST0_IM,int_bit); -+ restore_flags(flags); -+ return; ++ add_memory_region(base, size, type); ++ p++; + } -+ -+ /* irq_nr represents the line number for the interrupt. We must -+ * disable the channel number associated with that line number. -+ */ -+ -+ if(irq_nr > AVALANCHE_INT_END_PRIMARY_REG2) -+ chan_nr = AVINTNUM(irq_nr); /*CHECK THIS ALSO*/ -+ else -+ chan_nr = line_to_channel[AVINTNUM(irq_nr)];/* WE NEED A LINE TO CHANNEL MAPPING FUNCTION HERE*/ -+ -+ /* disable the interrupt channel bit */ -+ -+ /* primary interrupt #'s 0-31 */ -+ -+ if(chan_nr <= AVINTNUM(AVALANCHE_INT_END_PRIMARY_REG1)) -+ avalanche_hw0_icregs->intecr1 = (1 << chan_nr); -+ -+ /* primary interrupt #'s 32-39 */ -+ -+ else if ((chan_nr <= AVINTNUM(AVALANCHE_INT_END_PRIMARY_REG2)) && -+ (chan_nr > AVINTNUM(AVALANCHE_INT_END_PRIMARY_REG1))) -+ avalanche_hw0_icregs->intecr2 = (1 << (chan_nr - AVINTNUM(AVALANCHE_INT_END_SECONDARY))); -+ -+ else /* secondary interrupt #'s 0-31 */ -+ avalanche_hw0_ecregs->exiecr = (1 << (chan_nr - AVINTNUM(AVALANCHE_INT_END_PRIMARY))); -+ -+ restore_flags(flags); +} + -+void enable_avalanche_irq(unsigned int irq_nr) ++void __init prom_free_prom_memory (void) +{ -+ unsigned long flags; -+ unsigned long chan_nr=0; -+ unsigned long int_bit=0; -+ -+ if(irq_nr > AVALANCHE_INT_END) { -+ printk("whee, invalid irq_nr %d\n", irq_nr); -+ panic("IRQ, you lose..."); -+ } ++#if 0 ++ int i; ++ unsigned long freed = 0; ++ unsigned long addr; + -+ save_and_cli(flags); ++ for (i = 0; i < boot_mem_map.nr_map; i++) { ++ if (boot_mem_map.map[i].type != BOOT_MEM_ROM_DATA) ++ continue; + -+ -+ if(irq_nr < MIPS_EXCEPTION_OFFSET) -+ { -+ /* Enable MIPS exceptions */ -+ int_bit = read_c0_status(); -+ change_c0_status(ST0_IM,int_bit | (1<<(8+irq_nr))); -+ restore_flags(flags); -+ return; ++ addr = boot_mem_map.map[i].addr; ++ while (addr < boot_mem_map.map[i].addr ++ + boot_mem_map.map[i].size) { ++ ClearPageReserved(virt_to_page(__va(addr))); ++ set_page_count(virt_to_page(__va(addr)), 1); ++ free_page((unsigned long)__va(addr)); ++ addr += PAGE_SIZE; ++ freed += PAGE_SIZE; ++ } + } ++ printk("Freeing prom memory: %ldkb freed\n", freed >> 10); ++#endif ++} +diff -urN linux.old/arch/mips/ar7/mipsIRQ.S linux.dev/arch/mips/ar7/mipsIRQ.S +--- linux.old/arch/mips/ar7/mipsIRQ.S 1970-01-01 01:00:00.000000000 +0100 ++++ linux.dev/arch/mips/ar7/mipsIRQ.S 2005-08-12 19:32:05.138225360 +0200 +@@ -0,0 +1,120 @@ ++/* ++ * Carsten Langgaard, carstenl@mips.com ++ * Copyright (C) 1999, 2000 MIPS Technologies, Inc. All rights reserved. ++ * ++ * ######################################################################## ++ * ++ * This program is free software; you can distribute it and/or modify it ++ * under the terms of the GNU General Public License (Version 2) as ++ * published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ++ * for more details. ++ * ++ * You should have received a copy of the GNU General Public License along ++ * with this program; if not, write to the Free Software Foundation, Inc., ++ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. ++ * ++ * ######################################################################## ++ * ++ * Interrupt exception dispatch code. ++ * ++ */ ++#include + -+ /* irq_nr represents the line number for the interrupt. We must -+ * disable the channel number associated with that line number. -+ */ ++#include ++#include ++#include ++#include + -+ if(irq_nr > AVALANCHE_INT_END_PRIMARY_REG2) -+ chan_nr = AVINTNUM(irq_nr); -+ else -+ chan_nr = line_to_channel[AVINTNUM(irq_nr)]; ++/* A lot of complication here is taken away because: ++ * ++ * 1) We handle one interrupt and return, sitting in a loop and moving across ++ * all the pending IRQ bits in the cause register is _NOT_ the answer, the ++ * common case is one pending IRQ so optimize in that direction. ++ * ++ * 2) We need not check against bits in the status register IRQ mask, that ++ * would make this routine slow as hell. ++ * ++ * 3) Linux only thinks in terms of all IRQs on or all IRQs off, nothing in ++ * between like BSD spl() brain-damage. ++ * ++ * Furthermore, the IRQs on the MIPS board look basically (barring software ++ * IRQs which we don't use at all and all external interrupt sources are ++ * combined together on hardware interrupt 0 (MIPS IRQ 2)) like: ++ * ++ * MIPS IRQ Source ++ * -------- ------ ++ * 0 Software (ignored) ++ * 1 Software (ignored) ++ * 2 Combined hardware interrupt (hw0) ++ * 3 Hardware (ignored) ++ * 4 Hardware (ignored) ++ * 5 Hardware (ignored) ++ * 6 Hardware (ignored) ++ * 7 R4k timer (what we use) ++ * ++ * Note: On the SEAD board thing are a little bit different. ++ * Here IRQ 2 (hw0) is wired to the UART0 and IRQ 3 (hw1) is wired ++ * wired to UART1. ++ * ++ * We handle the IRQ according to _our_ priority which is: ++ * ++ * Highest ---- R4k Timer ++ * Lowest ---- Combined hardware interrupt ++ * ++ * then we just return, if multiple IRQs are pending then we will just take ++ * another exception, big deal. ++ */ + -+ /* enable the interrupt channel bit */ ++.text ++.set noreorder ++.set noat ++ .align 5 ++NESTED(mipsIRQ, PT_SIZE, sp) ++ SAVE_ALL ++ CLI ++ .set at + -+ /* primary interrupt #'s 0-31 */ -+ if(chan_nr <= AVINTNUM(AVALANCHE_INT_END_PRIMARY_REG1)) -+ avalanche_hw0_icregs->intesr1 = (1 << chan_nr); ++ mfc0 s0, CP0_CAUSE # get irq bits + -+ /* primary interrupt #'s 32 throuth 39 */ -+ else if ((chan_nr <= AVINTNUM(AVALANCHE_INT_END_PRIMARY_REG2)) && -+ (chan_nr > AVINTNUM(AVALANCHE_INT_END_PRIMARY_REG1))) -+ avalanche_hw0_icregs->intesr2 = (1 << (chan_nr - AVINTNUM(AVALANCHE_INT_END_SECONDARY))); ++ /* First we check for r4k counter/timer IRQ. */ ++ andi a0, s0, CAUSEF_IP7 ++ beq a0, zero, 1f ++ andi a0, s0, CAUSEF_IP2 # delay slot, check hw0 interrupt + -+ else /* secondary interrupt #'s 0-31 */ -+ avalanche_hw0_ecregs->exiesr = (1 << (chan_nr - AVINTNUM(AVALANCHE_INT_END_PRIMARY))); ++ /* Wheee, a timer interrupt. */ ++ move a0, sp ++ jal ar7_timer_interrupt ++ nop + -+ restore_flags(flags); -+} ++ j ret_from_irq ++ nop + -+static unsigned int startup_avalanche_irq(unsigned int irq) -+{ -+ enable_avalanche_irq(irq); -+ return 0; /* never anything pending */ -+} ++ 1: ++ beq a0, zero, 1f # delay slot, check hw3 interrupt ++ nop + ++ /* Wheee, combined hardware level zero interrupt. */ ++ jal avalanche_hw0_irqdispatch ++ move a0, sp # delay slot + -+int get_irq_list(char *buf) -+{ -+ int i, len = 0; -+ int num = 0; -+ struct irqaction *action; ++ j ret_from_irq ++ nop # delay slot + -+ for (i = 0; i < MIPS_EXCEPTION_OFFSET; i++, num++) -+ { -+ action = irq_action[i]; -+ if (!action) -+ continue; -+ len += sprintf(buf+len, "%2d: %8d %c %s", -+ num, kstat.irqs[0][num], -+ (action->flags & SA_INTERRUPT) ? '+' : ' ', -+ action->name); -+ for (action=action->next; action; action = action->next) { -+ len += sprintf(buf+len, ",%s %s", -+ (action->flags & SA_INTERRUPT) ? " +" : "", -+ action->name); -+ } -+ len += sprintf(buf+len, " [MIPS interrupt]\n"); -+ } ++ 1: ++ /* ++ * Here by mistake? This is possible, what can happen is that by the ++ * time we take the exception the IRQ pin goes low, so just leave if ++ * this is the case. ++ */ ++ move a1,s0 ++ PRINT("Got interrupt: c0_cause = %08x\n") ++ mfc0 a1, CP0_EPC ++ PRINT("c0_epc = %08x\n") + ++ j ret_from_irq ++ nop ++END(mipsIRQ) +diff -urN linux.old/arch/mips/ar7/misc.c linux.dev/arch/mips/ar7/misc.c +--- linux.old/arch/mips/ar7/misc.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux.dev/arch/mips/ar7/misc.c 2005-08-12 19:32:05.136225664 +0200 +@@ -0,0 +1,319 @@ ++#include ++#include ++#include ++#include + -+ for (i = 0; i < AVINTNUM(AVALANCHE_INT_END); i++,num++) -+ { -+ if(i < AVINTNUM(AVALANCHE_INT_END_PRIMARY)) -+ action = hw0_irq_action_primary[i]; -+ else -+ action = hw0_irq_action_secondary[i-AVINTNUM(AVALANCHE_INT_END_PRIMARY)]; -+ if (!action) -+ continue; -+ len += sprintf(buf+len, "%2d: %8d %c %s", -+ num, kstat.irqs[0][ LNXINTNUM(i) ], -+ (action->flags & SA_INTERRUPT) ? '+' : ' ', -+ action->name); ++#define TRUE 1 + -+ for (action=action->next; action; action = action->next) -+ { -+ len += sprintf(buf+len, ",%s %s", -+ (action->flags & SA_INTERRUPT) ? " +" : "", -+ action->name); -+ } ++static unsigned int avalanche_vbus_freq; + -+ if(i < AVINTNUM(AVALANCHE_INT_END_PRIMARY)) -+ len += sprintf(buf+len, " [hw0 (Avalanche Primary)]\n"); -+ else -+ len += sprintf(buf+len, " [hw0 (Avalanche Secondary)]\n"); ++REMOTE_VLYNQ_DEV_RESET_CTRL_FN p_remote_vlynq_dev_reset_ctrl = NULL; + -+ } ++/***************************************************************************** ++ * Reset Control Module. ++ *****************************************************************************/ ++void avalanche_reset_ctrl(unsigned int module_reset_bit, ++ AVALANCHE_RESET_CTRL_T reset_ctrl) ++{ ++ volatile unsigned int *reset_reg = (unsigned int*) AVALANCHE_RST_CTRL_PRCR; ++ ++ if(module_reset_bit >= 32 && module_reset_bit < 64) ++ return; + -+ return len; ++ if(module_reset_bit >= 64) ++ { ++ if(p_remote_vlynq_dev_reset_ctrl) ++ return(p_remote_vlynq_dev_reset_ctrl(module_reset_bit - 64, reset_ctrl)); ++ else ++ return; ++ } ++ ++ if(reset_ctrl == OUT_OF_RESET) ++ *reset_reg |= 1 << module_reset_bit; ++ else ++ *reset_reg &= ~(1 << module_reset_bit); +} + -+int request_irq(unsigned int irq, -+ void (*handler)(int, void *, struct pt_regs *), -+ unsigned long irqflags, -+ const char * devname, -+ void *dev_id) ++AVALANCHE_RESET_CTRL_T avalanche_get_reset_status(unsigned int module_reset_bit) +{ -+ struct irqaction *action; ++ volatile unsigned int *reset_reg = (unsigned int*) AVALANCHE_RST_CTRL_PRCR; + -+ if (irq > AVALANCHE_INT_END) -+ return -EINVAL; -+ if (!handler) -+ return -EINVAL; ++ return (((*reset_reg) & (1 << module_reset_bit)) ? OUT_OF_RESET : IN_RESET ); ++} + -+ action = (struct irqaction *)kmalloc(sizeof(struct irqaction), GFP_KERNEL); -+ if(!action) -+ return -ENOMEM; ++void avalanche_sys_reset(AVALANCHE_SYS_RST_MODE_T mode) ++{ ++ volatile unsigned int *sw_reset_reg = (unsigned int*) AVALANCHE_RST_CTRL_SWRCR; ++ *sw_reset_reg = mode; ++} + -+ action->handler = handler; -+ action->flags = irqflags; -+ action->mask = 0; -+ action->name = devname; -+ irq_desc_ti[irq].action = action; -+ action->dev_id = dev_id; -+ -+ action->next = 0; -+ -+ if(irq < MIPS_EXCEPTION_OFFSET) -+ { -+ irq_action[irq] = action; -+ enable_avalanche_irq(irq); -+ return 0; -+ } -+ -+ if(irq < AVALANCHE_INT_END_PRIMARY) -+ hw0_irq_action_primary[line_to_channel[AVINTNUM(irq)]] = action; -+ else -+ hw0_irq_action_secondary[irq - AVALANCHE_INT_END_PRIMARY] = action; ++#define AVALANCHE_RST_CTRL_RSR_MASK 0x3 + -+ enable_avalanche_irq(irq); ++AVALANCHE_SYS_RESET_STATUS_T avalanche_get_sys_last_reset_status() ++{ ++ volatile unsigned int *sys_reset_status = (unsigned int*) AVALANCHE_RST_CTRL_RSR; + -+ return 0; ++ return ( (AVALANCHE_SYS_RESET_STATUS_T) (*sys_reset_status & AVALANCHE_RST_CTRL_RSR_MASK) ); +} + -+void free_irq(unsigned int irq, void *dev_id) -+{ -+ struct irqaction *action; + -+ if (irq > AVALANCHE_INT_END) { -+ printk("Trying to free IRQ%d\n",irq); -+ return; -+ } ++/***************************************************************************** ++ * Power Control Module ++ *****************************************************************************/ ++#define AVALANCHE_GLOBAL_POWER_DOWN_MASK 0x3FFFFFFF /* bit 31, 30 masked */ ++#define AVALANCHE_GLOBAL_POWER_DOWN_BIT 30 /* shift to bit 30, 31 */ + -+ if(irq < MIPS_EXCEPTION_OFFSET) -+ { -+ action = irq_action[irq]; -+ irq_action[irq] = NULL; -+ irq_desc_ti[irq].action = NULL; -+ disable_avalanche_irq(irq); -+ kfree(action); -+ return; -+ } + -+ if(irq < AVALANCHE_INT_END_PRIMARY) { -+ action = hw0_irq_action_primary[line_to_channel[AVINTNUM(irq)]]; -+ hw0_irq_action_primary[line_to_channel[AVINTNUM(irq)]] = NULL; -+ irq_desc_ti[irq].action = NULL; -+ } -+ else { -+ action = hw0_irq_action_secondary[irq - AVALANCHE_INT_END_PRIMARY]; -+ hw0_irq_action_secondary[irq - AVALANCHE_INT_END_PRIMARY] = NULL; -+ irq_desc_ti[irq].action = NULL; -+ } ++void avalanche_power_ctrl(unsigned int module_power_bit, AVALANCHE_POWER_CTRL_T power_ctrl) ++{ ++ volatile unsigned int *power_reg = (unsigned int*)AVALANCHE_POWER_CTRL_PDCR; + -+ disable_avalanche_irq(irq); -+ kfree(action); ++ if (power_ctrl == POWER_CTRL_POWER_DOWN) ++ /* power down the module */ ++ *power_reg |= (1 << module_power_bit); ++ else ++ /* power on the module */ ++ *power_reg &= (~(1 << module_power_bit)); +} + -+#ifdef CONFIG_KGDB -+extern void breakpoint(void); -+extern int remote_debug; -+#endif -+ -+//void init_IRQ(void) __init; -+void __init init_IRQ(void) ++AVALANCHE_POWER_CTRL_T avalanche_get_power_status(unsigned int module_power_bit) +{ -+ int i; -+ -+ avalanche_hw0_icregs = (struct avalanche_ictrl_regs *)AVALANCHE_ICTRL_REGS_BASE; -+ avalanche_hw0_ecregs = (struct avalanche_exctrl_regs *)AVALANCHE_ECTRL_REGS_BASE; -+ avalanche_hw0_ipaceregs = (struct avalanche_ipace_regs *)AVALANCHE_IPACE_REGS_BASE; -+ avalanche_hw0_chregs = (struct avalanche_channel_int_number *)AVALANCHE_CHCTRL_REGS_BASE; -+ -+ /* Disable interrupts and clear pending -+ */ -+ -+ avalanche_hw0_icregs->intecr1 = 0xffffffff; /* disable interrupts 0:31 */ -+ avalanche_hw0_icregs->intcr1 = 0xffffffff; /* clear interrupts 0:31 */ -+ avalanche_hw0_icregs->intecr2 = 0xff; /* disable interrupts 32:39 */ -+ avalanche_hw0_icregs->intcr2 = 0xff; /* clear interrupts 32:39 */ -+ avalanche_hw0_ecregs->exiecr = 0xffffffff; /* disable secondary interrupts 0:31 */ -+ avalanche_hw0_ecregs->excr = 0xffffffff; /* clear secondary interrupts 0:31 */ -+ -+ -+ // avalanche_hw0_ipaceregs->ipacep = (2*get_avalanche_vbus_freq()/1000000)*4; -+ /* hack for speeding up the pacing. */ -+ printk("the pacing pre-scalar has been set as 600.\n"); -+ avalanche_hw0_ipaceregs->ipacep = 600; -+ /* Channel to line mapping, Line to Channel mapping */ -+ -+ for(i = 0; i < 40; i++) -+ avalanche_int_set(i,i); -+ -+ /* Now safe to set the exception vector. */ -+ set_except_vector(0, mipsIRQ); -+ -+ /* Setup the IRQ description array. These will be mapped -+ * as flat interrupts numbers. The mapping is as follows -+ * -+ * 0-7 MIPS CPU Exceptions (HW/SW) -+ * 8-46 Primary Interrupts (Avalanche) -+ * 47-78 Secondary Interrupts (Avalanche) -+ */ -+ -+ for (i = 0; i <= AVALANCHE_INT_END; i++) -+ { -+ irq_desc_ti[i].status = IRQ_DISABLED; -+ irq_desc_ti[i].action = 0; -+ irq_desc_ti[i].depth = 1; -+ irq_desc_ti[i].handler = &avalanche_irq_type; -+ } ++ volatile unsigned int *power_status_reg = (unsigned int*)AVALANCHE_POWER_CTRL_PDCR; + -+#ifdef CONFIG_KGDB -+ if (remote_debug) -+ { -+ set_debug_traps(); -+ breakpoint(); -+ } -+#endif ++ return (((*power_status_reg) & (1 << module_power_bit)) ? POWER_CTRL_POWER_DOWN : POWER_CTRL_POWER_UP); +} + -+ -+void avalanche_hw0_irqdispatch(struct pt_regs *regs) ++void avalanche_set_global_power_mode(AVALANCHE_SYS_POWER_MODE_T power_mode) +{ -+ struct irqaction *action; -+ int irq, cpu = smp_processor_id(); -+ unsigned long int_line_number,status; -+ int i,secondary = 0; -+ int chan_nr=0; -+ -+ int_line_number = ((avalanche_hw0_icregs->pintir >> 16) & 0x3F); -+ chan_nr = ((avalanche_hw0_icregs->pintir) & 0x3F); -+ -+ -+ if(chan_nr < 32) -+ { -+ if( chan_nr != uni_secondary_interrupt) -+ avalanche_hw0_icregs->intcr1 = (1< 31)) -+ { -+ avalanche_hw0_icregs->intcr2 = (1<<(chan_nr-AVINTNUM(AVALANCHE_INT_END_SECONDARY))); -+ } -+ -+ -+ /* If the Priority Interrupt Index Register returns 40 then no -+ * interrupts are pending -+ */ -+ -+ if(chan_nr == 40) -+ return; -+ -+ if(chan_nr == uni_secondary_interrupt) -+ { -+ status = avalanche_hw0_ecregs->exsr; -+ for(i=0; i < AVINTNUM(AVALANCHE_INT_END_SECONDARY); i++) -+ { -+ if (status & 1<excr = 1 << i; -+ break; -+ } -+ } -+ irq = i; -+ secondary = 1; -+ -+ /* clear the universal secondary interrupt */ -+ avalanche_hw0_icregs->intcr1 = 1 << uni_secondary_interrupt; -+ -+ } -+ else -+ irq = chan_nr; -+ -+ /* Suraj Add code to clear secondary interrupt */ -+ -+ if(secondary) -+ action = hw0_irq_action_secondary[irq]; -+ else -+ action = hw0_irq_action_primary[irq]; -+ -+ /* if action == NULL, then we don't have a handler for the irq */ -+ -+ if ( action == NULL ) { -+ printk("No handler for hw0 irq: %i\n", irq); -+ return; -+ } -+ -+ irq_enter(cpu,irq); -+ if(secondary) -+ { -+ kstat.irqs[0][(irq + AVINTNUM(AVALANCHE_INT_END_PRIMARY)) + 8]++; -+ action->handler((irq + AVALANCHE_INT_END_PRIMARY), action->dev_id, regs); -+ } -+ else -+ { -+ kstat.irqs[0][irq + 8]++; -+ action->handler(LNXINTNUM(irq), action->dev_id, regs); -+ } -+ -+ irq_exit(cpu,irq); -+ -+ if(softirq_pending(cpu)) -+ do_softirq(); ++ volatile unsigned int *power_status_reg = (unsigned int*)AVALANCHE_POWER_CTRL_PDCR; + -+ return; ++ *power_status_reg &= AVALANCHE_GLOBAL_POWER_DOWN_MASK; ++ *power_status_reg |= ( power_mode << AVALANCHE_GLOBAL_POWER_DOWN_BIT); +} + -+void avalanche_int_set(int channel, int line) ++AVALANCHE_SYS_POWER_MODE_T avalanche_get_global_power_mode(void) +{ -+ switch(channel) -+ { -+ case(0): -+ avalanche_hw0_chregs->cintnr0 = line; -+ break; -+ case(1): -+ avalanche_hw0_chregs->cintnr1 = line; -+ break; -+ case(2): -+ avalanche_hw0_chregs->cintnr2 = line; -+ break; -+ case(3): -+ avalanche_hw0_chregs->cintnr3 = line; -+ break; -+ case(4): -+ avalanche_hw0_chregs->cintnr4 = line; -+ break; -+ case(5): -+ avalanche_hw0_chregs->cintnr5 = line; -+ break; -+ case(6): -+ avalanche_hw0_chregs->cintnr6 = line; -+ break; -+ case(7): -+ avalanche_hw0_chregs->cintnr7 = line; -+ break; -+ case(8): -+ avalanche_hw0_chregs->cintnr8 = line; -+ break; -+ case(9): -+ avalanche_hw0_chregs->cintnr9 = line; -+ break; -+ case(10): -+ avalanche_hw0_chregs->cintnr10 = line; -+ break; -+ case(11): -+ avalanche_hw0_chregs->cintnr11 = line; -+ break; -+ case(12): -+ avalanche_hw0_chregs->cintnr12 = line; -+ break; -+ case(13): -+ avalanche_hw0_chregs->cintnr13 = line; -+ break; -+ case(14): -+ avalanche_hw0_chregs->cintnr14 = line; -+ break; -+ case(15): -+ avalanche_hw0_chregs->cintnr15 = line; -+ break; -+ case(16): -+ avalanche_hw0_chregs->cintnr16 = line; -+ break; -+ case(17): -+ avalanche_hw0_chregs->cintnr17 = line; -+ break; -+ case(18): -+ avalanche_hw0_chregs->cintnr18 = line; -+ break; -+ case(19): -+ avalanche_hw0_chregs->cintnr19 = line; -+ break; -+ case(20): -+ avalanche_hw0_chregs->cintnr20 = line; -+ break; -+ case(21): -+ avalanche_hw0_chregs->cintnr21 = line; -+ break; -+ case(22): -+ avalanche_hw0_chregs->cintnr22 = line; -+ break; -+ case(23): -+ avalanche_hw0_chregs->cintnr23 = line; -+ break; -+ case(24): -+ avalanche_hw0_chregs->cintnr24 = line; -+ break; -+ case(25): -+ avalanche_hw0_chregs->cintnr25 = line; -+ break; -+ case(26): -+ avalanche_hw0_chregs->cintnr26 = line; -+ break; -+ case(27): -+ avalanche_hw0_chregs->cintnr27 = line; -+ break; -+ case(28): -+ avalanche_hw0_chregs->cintnr28 = line; -+ break; -+ case(29): -+ avalanche_hw0_chregs->cintnr29 = line; -+ break; -+ case(30): -+ avalanche_hw0_chregs->cintnr30 = line; -+ break; -+ case(31): -+ avalanche_hw0_chregs->cintnr31 = line; -+ break; -+ case(32): -+ avalanche_hw0_chregs->cintnr32 = line; -+ break; -+ case(33): -+ avalanche_hw0_chregs->cintnr33 = line; -+ break; -+ case(34): -+ avalanche_hw0_chregs->cintnr34 = line; -+ break; -+ case(35): -+ avalanche_hw0_chregs->cintnr35 = line; -+ break; -+ case(36): -+ avalanche_hw0_chregs->cintnr36 = line; -+ break; -+ case(37): -+ avalanche_hw0_chregs->cintnr37 = line; -+ break; -+ case(38): -+ avalanche_hw0_chregs->cintnr38 = line; -+ break; -+ case(39): -+ avalanche_hw0_chregs->cintnr39 = line; -+ break; -+ default: -+ printk("Error: Unknown Avalanche interrupt channel\n"); -+ } -+ -+ line_to_channel[line] = channel; /* Suraj check */ -+ -+ if (channel == UNIFIED_SECONDARY_INTERRUPT) -+ uni_secondary_interrupt = line; ++ volatile unsigned int *power_status_reg = (unsigned int*)AVALANCHE_POWER_CTRL_PDCR; + ++ return((AVALANCHE_SYS_POWER_MODE_T) (((*power_status_reg) & (~AVALANCHE_GLOBAL_POWER_DOWN_MASK)) ++ >> AVALANCHE_GLOBAL_POWER_DOWN_BIT)); +} + ++/***************************************************************************** ++ * GPIO Control ++ *****************************************************************************/ + -+#define AVALANCHE_MAX_PACING_BLK 3 -+#define AVALANCHE_PACING_LOW_VAL 2 -+#define AVALANCHE_PACING_HIGH_VAL 63 -+ -+int avalanche_request_pacing(int irq_nr, unsigned int blk_num, -+ unsigned int pace_value) ++/**************************************************************************** ++ * FUNCTION: avalanche_gpio_init ++ ***************************************************************************/ ++void avalanche_gpio_init(void) +{ -+ unsigned int blk_offset; -+ unsigned long flags; ++ spinlock_t closeLock; ++ unsigned int closeFlag; ++ volatile unsigned int *reset_reg = (unsigned int*) AVALANCHE_RST_CTRL_PRCR; ++ spin_lock_irqsave(&closeLock, closeFlag); ++ *reset_reg |= (1 << AVALANCHE_GPIO_RESET_BIT); ++ spin_unlock_irqrestore(&closeLock, closeFlag); ++} + -+ if(irq_nr < MIPS_EXCEPTION_OFFSET && -+ irq_nr >= AVALANCHE_INT_END_PRIMARY) -+ return (0); ++/**************************************************************************** ++ * FUNCTION: avalanche_gpio_ctrl ++ ***************************************************************************/ ++int avalanche_gpio_ctrl(unsigned int gpio_pin, ++ AVALANCHE_GPIO_PIN_MODE_T pin_mode, ++ AVALANCHE_GPIO_PIN_DIRECTION_T pin_direction) ++{ ++ spinlock_t closeLock; ++ unsigned int closeFlag; ++ volatile unsigned int *gpio_ctrl = (unsigned int*)AVALANCHE_GPIO_ENBL; + -+ if(blk_num > AVALANCHE_MAX_PACING_BLK) ++ if(gpio_pin >= 32) + return(-1); + -+ if(pace_value > AVALANCHE_PACING_HIGH_VAL && -+ pace_value < AVALANCHE_PACING_LOW_VAL) -+ return(-1); -+ -+ blk_offset = blk_num*8; -+ -+ save_and_cli(flags); ++ spin_lock_irqsave(&closeLock, closeFlag); + -+ /* disable the interrupt pacing, if enabled previously */ -+ avalanche_hw0_ipaceregs->ipacemax &= ~(0xff << blk_offset); ++ if(pin_mode == GPIO_PIN) ++ { ++ *gpio_ctrl |= (1 << gpio_pin); + -+ /* clear the pacing map */ -+ avalanche_hw0_ipaceregs->ipacemap &= ~(0xff << blk_offset); ++ gpio_ctrl = (unsigned int*)AVALANCHE_GPIO_DIR; ++ ++ if(pin_direction == GPIO_INPUT_PIN) ++ *gpio_ctrl |= (1 << gpio_pin); ++ else ++ *gpio_ctrl &= ~(1 << gpio_pin); ++ } ++ else /* FUNCTIONAL PIN */ ++ { ++ *gpio_ctrl &= ~(1 << gpio_pin); ++ } ++ ++ spin_unlock_irqrestore(&closeLock, closeFlag); + -+ /* setup the new values */ -+ avalanche_hw0_ipaceregs->ipacemap |= ((AVINTNUM(irq_nr)) << blk_offset); -+ avalanche_hw0_ipaceregs->ipacemax |= ((0x80 | pace_value) << blk_offset); ++ return (0); ++} + -+ restore_flags(flags); ++/**************************************************************************** ++ * FUNCTION: avalanche_gpio_out ++ ***************************************************************************/ ++int avalanche_gpio_out_bit(unsigned int gpio_pin, int value) ++{ ++ spinlock_t closeLock; ++ unsigned int closeFlag; ++ volatile unsigned int *gpio_out = (unsigned int*) AVALANCHE_GPIO_DATA_OUT; ++ ++ if(gpio_pin >= 32) ++ return(-1); ++ ++ spin_lock_irqsave(&closeLock, closeFlag); ++ if(value == TRUE) ++ *gpio_out |= 1 << gpio_pin; ++ else ++ *gpio_out &= ~(1 << gpio_pin); ++ spin_unlock_irqrestore(&closeLock, closeFlag); + + return(0); +} -diff -urN linux.old/arch/mips/ar7/memory.c linux.dev/arch/mips/ar7/memory.c ---- linux.old/arch/mips/ar7/memory.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux.dev/arch/mips/ar7/memory.c 2005-07-26 18:38:00.087612488 +0200 -@@ -0,0 +1,131 @@ -+/* -+ * Carsten Langgaard, carstenl@mips.com -+ * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. -+ * -+ * ######################################################################## -+ * -+ * This program is free software; you can distribute it and/or modify it -+ * under the terms of the GNU General Public License (Version 2) as -+ * published by the Free Software Foundation. -+ * -+ * This program is distributed in the hope it will be useful, but WITHOUT -+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or -+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -+ * for more details. -+ * -+ * You should have received a copy of the GNU General Public License along -+ * with this program; if not, write to the Free Software Foundation, Inc., -+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. -+ * -+ * ######################################################################## -+ * -+ * PROM library functions for acquiring/using memory descriptors given to -+ * us from the YAMON. -+ * -+ */ -+#include -+#include -+#include -+#include + -+#include -+#include -+#include ++/**************************************************************************** ++ * FUNCTION: avalanche_gpio_in ++ ***************************************************************************/ ++int avalanche_gpio_in_bit(unsigned int gpio_pin) ++{ ++ spinlock_t closeLock; ++ unsigned int closeFlag; ++ volatile unsigned int *gpio_in = (unsigned int*) AVALANCHE_GPIO_DATA_IN; ++ int ret_val = 0; ++ ++ if(gpio_pin >= 32) ++ return(-1); ++ ++ spin_lock_irqsave(&closeLock, closeFlag); ++ ret_val = ((*gpio_in) & (1 << gpio_pin)); ++ spin_unlock_irqrestore(&closeLock, closeFlag); ++ ++ return (ret_val); ++} + -+enum yamon_memtypes { -+ yamon_dontuse, -+ yamon_prom, -+ yamon_free, -+}; -+struct prom_pmemblock mdesc[PROM_MAX_PMEMBLOCKS]; ++/**************************************************************************** ++ * FUNCTION: avalanche_gpio_out_val ++ ***************************************************************************/ ++int avalanche_gpio_out_value(unsigned int out_val, unsigned int out_mask, ++ unsigned int reg_index) ++{ ++ spinlock_t closeLock; ++ unsigned int closeFlag; ++ volatile unsigned int *gpio_out = (unsigned int*) AVALANCHE_GPIO_DATA_OUT; + -+/* References to section boundaries */ -+extern char _end; ++ if(reg_index > 0) ++ return(-1); + -+#define PFN_ALIGN(x) (((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK) ++ spin_lock_irqsave(&closeLock, closeFlag); ++ *gpio_out &= ~out_mask; ++ *gpio_out |= out_val; ++ spin_unlock_irqrestore(&closeLock, closeFlag); + ++ return(0); ++} + -+struct prom_pmemblock * __init prom_getmdesc(void) ++/**************************************************************************** ++ * FUNCTION: avalanche_gpio_in_value ++ ***************************************************************************/ ++int avalanche_gpio_in_value(unsigned int* in_val, unsigned int reg_index) +{ -+ char *memsize_str; -+ unsigned int memsize; ++ spinlock_t closeLock; ++ unsigned int closeFlag; ++ volatile unsigned int *gpio_in = (unsigned int*) AVALANCHE_GPIO_DATA_IN; ++ ++ if(reg_index > 0) ++ return(-1); + -+ memsize_str = prom_getenv("memsize"); -+ if (!memsize_str) { -+ memsize = 0x02000000; -+ } else { -+ memsize = simple_strtol(memsize_str, NULL, 0); -+ } ++ spin_lock_irqsave(&closeLock, closeFlag); ++ *in_val = *gpio_in; ++ spin_unlock_irqrestore(&closeLock, closeFlag); + -+ memset(mdesc, 0, sizeof(mdesc)); ++ return (0); ++} + -+ mdesc[0].type = yamon_dontuse; -+ mdesc[0].base = 0x00000000; -+ mdesc[0].size = CONFIG_AR7_MEMORY; ++/*********************************************************************** ++ * ++ * Wakeup Control Module for TNETV1050 Communication Processor ++ * ++ ***********************************************************************/ + -+ mdesc[1].type = yamon_prom; -+ mdesc[1].base = CONFIG_AR7_MEMORY; -+ mdesc[1].size = 0x00020000; ++#define AVALANCHE_WAKEUP_POLARITY_BIT 16 + -+ mdesc[2].type = yamon_free; -+ mdesc[2].base = CONFIG_AR7_MEMORY + 0x00020000; -+ mdesc[2].size = (memsize + CONFIG_AR7_MEMORY) - mdesc[2].base; ++void avalanche_wakeup_ctrl(AVALANCHE_WAKEUP_INTERRUPT_T wakeup_int, ++ AVALANCHE_WAKEUP_CTRL_T wakeup_ctrl, ++ AVALANCHE_WAKEUP_POLARITY_T wakeup_polarity) ++{ ++ volatile unsigned int *wakeup_status_reg = (unsigned int*) AVALANCHE_WAKEUP_CTRL_WKCR; + -+ return &mdesc[0]; ++ /* enable/disable */ ++ if (wakeup_ctrl == WAKEUP_ENABLED) ++ /* enable wakeup */ ++ *wakeup_status_reg |= wakeup_int; ++ else ++ /* disable wakeup */ ++ *wakeup_status_reg &= (~wakeup_int); ++ ++ /* set polarity */ ++ if (wakeup_polarity == WAKEUP_ACTIVE_LOW) ++ *wakeup_status_reg |= (wakeup_int << AVALANCHE_WAKEUP_POLARITY_BIT); ++ else ++ *wakeup_status_reg &= ~(wakeup_int << AVALANCHE_WAKEUP_POLARITY_BIT); +} + -+static int __init prom_memtype_classify (unsigned int type) ++void avalanche_set_vbus_freq(unsigned int new_vbus_freq) +{ -+ switch (type) { -+ case yamon_free: -+ return BOOT_MEM_RAM; -+ case yamon_prom: -+ return BOOT_MEM_ROM_DATA; -+ default: -+ return BOOT_MEM_RESERVED; -+ } ++ avalanche_vbus_freq = new_vbus_freq; +} + -+void __init prom_meminit(void) ++unsigned int avalanche_get_vbus_freq() +{ -+ struct prom_pmemblock *p; -+ -+ p = prom_getmdesc(); ++ return(avalanche_vbus_freq); ++} + -+ while (p->size) { -+ long type; -+ unsigned long base, size; ++unsigned int avalanche_get_chip_version_info() ++{ ++ return(*(volatile unsigned int*)AVALANCHE_CVR); ++} + -+ type = prom_memtype_classify (p->type); -+ base = p->base; -+ size = p->size; ++SET_MDIX_ON_CHIP_FN_T p_set_mdix_on_chip_fn = NULL; + -+ add_memory_region(base, size, type); -+ p++; -+ } ++int avalanche_set_mdix_on_chip(unsigned int base_addr, unsigned int operation) ++{ ++ if(p_set_mdix_on_chip_fn) ++ return (p_set_mdix_on_chip_fn(base_addr, operation)); ++ else ++ return(-1); +} + -+void __init prom_free_prom_memory (void) ++unsigned int avalanche_is_mdix_on_chip(void) +{ -+#if 0 -+ int i; -+ unsigned long freed = 0; -+ unsigned long addr; -+ -+ for (i = 0; i < boot_mem_map.nr_map; i++) { -+ if (boot_mem_map.map[i].type != BOOT_MEM_ROM_DATA) -+ continue; -+ -+ addr = boot_mem_map.map[i].addr; -+ while (addr < boot_mem_map.map[i].addr -+ + boot_mem_map.map[i].size) { -+ ClearPageReserved(virt_to_page(__va(addr))); -+ set_page_count(virt_to_page(__va(addr)), 1); -+ free_page((unsigned long)__va(addr)); -+ addr += PAGE_SIZE; -+ freed += PAGE_SIZE; -+ } -+ } -+ printk("Freeing prom memory: %ldkb freed\n", freed >> 10); -+#endif ++ return(p_set_mdix_on_chip_fn ? 1:0); +} -diff -urN linux.old/arch/mips/ar7/mipsIRQ.S linux.dev/arch/mips/ar7/mipsIRQ.S ---- linux.old/arch/mips/ar7/mipsIRQ.S 1970-01-01 01:00:00.000000000 +0100 -+++ linux.dev/arch/mips/ar7/mipsIRQ.S 2005-07-26 18:11:02.627503000 +0200 -@@ -0,0 +1,120 @@ -+/* -+ * Carsten Langgaard, carstenl@mips.com -+ * Copyright (C) 1999, 2000 MIPS Technologies, Inc. All rights reserved. -+ * -+ * ######################################################################## -+ * -+ * This program is free software; you can distribute it and/or modify it -+ * under the terms of the GNU General Public License (Version 2) as -+ * published by the Free Software Foundation. -+ * -+ * This program is distributed in the hope it will be useful, but WITHOUT -+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or -+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -+ * for more details. -+ * -+ * You should have received a copy of the GNU General Public License along -+ * with this program; if not, write to the Free Software Foundation, Inc., -+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. -+ * -+ * ######################################################################## -+ * -+ * Interrupt exception dispatch code. -+ * -+ */ -+#include + -+#include -+#include -+#include -+#include ++EXPORT_SYMBOL(avalanche_reset_ctrl); ++EXPORT_SYMBOL(avalanche_get_reset_status); ++EXPORT_SYMBOL(avalanche_sys_reset); ++EXPORT_SYMBOL(avalanche_get_sys_last_reset_status); ++EXPORT_SYMBOL(avalanche_power_ctrl); ++EXPORT_SYMBOL(avalanche_get_power_status); ++EXPORT_SYMBOL(avalanche_set_global_power_mode); ++EXPORT_SYMBOL(avalanche_get_global_power_mode); ++EXPORT_SYMBOL(avalanche_set_mdix_on_chip); ++EXPORT_SYMBOL(avalanche_is_mdix_on_chip); + -+/* A lot of complication here is taken away because: -+ * -+ * 1) We handle one interrupt and return, sitting in a loop and moving across -+ * all the pending IRQ bits in the cause register is _NOT_ the answer, the -+ * common case is one pending IRQ so optimize in that direction. -+ * -+ * 2) We need not check against bits in the status register IRQ mask, that -+ * would make this routine slow as hell. -+ * -+ * 3) Linux only thinks in terms of all IRQs on or all IRQs off, nothing in -+ * between like BSD spl() brain-damage. -+ * -+ * Furthermore, the IRQs on the MIPS board look basically (barring software -+ * IRQs which we don't use at all and all external interrupt sources are -+ * combined together on hardware interrupt 0 (MIPS IRQ 2)) like: -+ * -+ * MIPS IRQ Source -+ * -------- ------ -+ * 0 Software (ignored) -+ * 1 Software (ignored) -+ * 2 Combined hardware interrupt (hw0) -+ * 3 Hardware (ignored) -+ * 4 Hardware (ignored) -+ * 5 Hardware (ignored) -+ * 6 Hardware (ignored) -+ * 7 R4k timer (what we use) -+ * -+ * Note: On the SEAD board thing are a little bit different. -+ * Here IRQ 2 (hw0) is wired to the UART0 and IRQ 3 (hw1) is wired -+ * wired to UART1. -+ * -+ * We handle the IRQ according to _our_ priority which is: -+ * -+ * Highest ---- R4k Timer -+ * Lowest ---- Combined hardware interrupt -+ * -+ * then we just return, if multiple IRQs are pending then we will just take -+ * another exception, big deal. ++EXPORT_SYMBOL(avalanche_gpio_init); ++EXPORT_SYMBOL(avalanche_gpio_ctrl); ++EXPORT_SYMBOL(avalanche_gpio_out_bit); ++EXPORT_SYMBOL(avalanche_gpio_in_bit); ++EXPORT_SYMBOL(avalanche_gpio_out_value); ++EXPORT_SYMBOL(avalanche_gpio_in_value); ++ ++EXPORT_SYMBOL(avalanche_set_vbus_freq); ++EXPORT_SYMBOL(avalanche_get_vbus_freq); ++ ++EXPORT_SYMBOL(avalanche_get_chip_version_info); ++ +diff -urN linux.old/arch/mips/ar7/platform.h linux.dev/arch/mips/ar7/platform.h +--- linux.old/arch/mips/ar7/platform.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux.dev/arch/mips/ar7/platform.h 2005-08-12 19:34:07.216666616 +0200 +@@ -0,0 +1,65 @@ ++#ifndef _PLATFORM_H_ ++#define _PLATFORM_H_ ++ ++#include ++ ++ ++/* Important: The definition of ENV_SPACE_SIZE should match with that in ++ * PSPBoot. (/psp_boot/inc/psbl/env.h) + */ ++#ifdef CONFIG_MIPS_AVALANCHE_TICFG ++#define ENV_SPACE_SIZE (10 * 1024) ++#endif + -+.text -+.set noreorder -+.set noat -+ .align 5 -+NESTED(mipsIRQ, PT_SIZE, sp) -+ SAVE_ALL -+ CLI -+ .set at ++#ifdef CONFIG_MIPS_TNETV1050SDB ++#define TNETV1050SDB ++#define DUAL_FLASH ++#endif + -+ mfc0 s0, CP0_CAUSE # get irq bits ++#ifdef CONFIG_MIPS_AR7DB ++#define TNETD73XX_BOARD ++#define AR7DB ++#endif + -+ /* First we check for r4k counter/timer IRQ. */ -+ andi a0, s0, CAUSEF_IP7 -+ beq a0, zero, 1f -+ andi a0, s0, CAUSEF_IP2 # delay slot, check hw0 interrupt ++#ifdef CONFIG_MIPS_AR7RD ++#define TNETD73XX_BOARD ++#define AR7RD ++#endif + -+ /* Wheee, a timer interrupt. */ -+ move a0, sp -+ jal ar7_timer_interrupt -+ nop ++#ifdef CONFIG_AR7WRD ++#define TNETD73XX_BOARD ++#define AR7WRD ++#endif + -+ j ret_from_irq -+ nop ++#ifdef CONFIG_MIPS_AR7VWI ++#define TNETD73XX_BOARD ++#define AR7VWi ++#endif + -+ 1: -+ beq a0, zero, 1f # delay slot, check hw3 interrupt -+ nop ++/* Merging from the DEV_DSL-PSPL4.3.2.7_Patch release. */ ++#ifdef CONFIG_MIPS_AR7VW ++#define TNETD73XX_BOARD ++#define AR7WRD ++#endif + -+ /* Wheee, combined hardware level zero interrupt. */ -+ jal avalanche_hw0_irqdispatch -+ move a0, sp # delay slot ++#ifdef CONFIG_MIPS_AR7WI ++#define TNETD73XX_BOARD ++#define AR7Wi ++#endif + -+ j ret_from_irq -+ nop # delay slot ++#ifdef CONFIG_MIPS_AR7V ++#define TNETD73XX_BOARD ++#define AR7V ++#endif + -+ 1: -+ /* -+ * Here by mistake? This is possible, what can happen is that by the -+ * time we take the exception the IRQ pin goes low, so just leave if -+ * this is the case. -+ */ -+ move a1,s0 -+ PRINT("Got interrupt: c0_cause = %08x\n") -+ mfc0 a1, CP0_EPC -+ PRINT("c0_epc = %08x\n") ++#ifdef CONFIG_MIPS_AR7V ++#define TNETD73XX_BOARD ++#define AR7V ++#endif + -+ j ret_from_irq -+ nop -+END(mipsIRQ) ++#ifdef CONFIG_MIPS_WA1130 ++#define AVALANCHE ++#define WLAN ++#endif ++ ++#endif diff -urN linux.old/arch/mips/ar7/printf.c linux.dev/arch/mips/ar7/printf.c --- linux.old/arch/mips/ar7/printf.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux.dev/arch/mips/ar7/printf.c 2005-07-26 18:38:00.087612488 +0200 ++++ linux.dev/arch/mips/ar7/printf.c 2005-08-12 19:32:05.139225208 +0200 @@ -0,0 +1,53 @@ +/* + * Carsten Langgaard, carstenl@mips.com @@ -2012,9 +1691,363 @@ diff -urN linux.old/arch/mips/ar7/printf.c linux.dev/arch/mips/ar7/printf.c + return; + +} +diff -urN linux.old/arch/mips/ar7/psp_env.c linux.dev/arch/mips/ar7/psp_env.c +--- linux.old/arch/mips/ar7/psp_env.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux.dev/arch/mips/ar7/psp_env.c 2005-08-12 19:34:07.216666616 +0200 +@@ -0,0 +1,350 @@ ++#include ++#include ++#include ++#include ++#include ++#include ++ ++#include "platform.h" ++ ++#define ENV_CELL_SIZE 16 ++ ++/* control field decode */ ++#define ENV_GARBAGE_BIT 0x01 /* Env is garbage if this bit is off */ ++#define ENV_DYNAMIC_BIT 0x02 /* Env is dynamic if this bit is off */ ++ ++#define ENV_CTRL_MASK 0x03 ++#define ENV_PREFINED (ENV_GARBAGE_BIT | ENV_DYNAMIC_BIT) ++#define ENV_DYNAMIC (ENV_GARBAGE_BIT) ++ ++struct env_variable { ++ unsigned char varNum; ++ unsigned char ctrl; ++ unsigned short chksum; ++ unsigned char numCells; ++ unsigned char data[ENV_CELL_SIZE - 5]; /* The data section starts ++ * here, continues for ++ * numCells. ++ */ ++}; ++ ++extern unsigned int max_env_entry; ++ ++/* Internal macros */ ++#define get_next_block(var) ((struct env_variable *)( (char*)(var) + (var)->numCells * ENV_CELL_SIZE)) ++ ++typedef enum ENV_VARS { ++ env_vars_start = 0, ++ CPUFREQ, ++ MEMSZ, ++ FLASHSZ, ++ MODETTY0, ++ MODETTY1, ++ PROMPT, ++ BOOTCFG, ++ HWA_0, ++#if !defined (AVALANCHE) || defined(TNETC401B) ++ HWA_1, ++#endif ++#if !defined(TNETV1020_BOARD) ++ HWA_RNDIS, ++#endif ++#if defined (TNETD73XX_BOARD) ++ HWA_3, ++#endif ++ IPA, ++ IPA_SVR, ++ BLINE_MAC0, ++#if !defined (AVALANCHE) || defined(TNETC401B) ++ BLINE_MAC1, ++#endif ++#if !defined(TNETV1020_BOARD) ++ BLINE_RNDIS, ++#endif ++#if defined (TNETD73XX_BOARD) ++ BLINE_ATM, ++#endif ++#if !defined(TNETV1020_BOARD) ++ USB_PID, ++ USB_VID, ++ USB_EPPOLLI, ++#endif ++ IPA_GATEWAY, ++ SUBNET_MASK, ++#if defined (TNETV1050_BOARD) ++ BLINE_ESWITCH, ++#endif ++#if !defined(TNETV1020_BOARD) ++ USB_SERIAL, ++ HWA_HRNDIS, /* Host (PC) side RNDIS address */ ++#endif ++ REMOTE_USER, ++ REMOTE_PASS, ++ REMOTE_DIR, ++ SYSFREQ, ++ LINK_TIMEOUT, ++#ifndef AVALANCHE /* Avalanche boards use only one mac port */ ++ MAC_PORT, ++#endif ++ PATH, ++ HOSTNAME, ++#ifdef WLAN ++ HW_REV_MAJOR, ++ HW_REV_MINOR, ++ HW_PATCH, ++ SW_PATCH, ++ SERIAL_NUMBER, ++#endif ++ TFTPCFG, ++#if defined (TNETV1050_BOARD) ++ HWA_ESWITCH, ++#endif ++ /* ++ * Add new env variables here. ++ * NOTE: New environment variables should always be placed at the end, ie ++ * just before env_vars_end. ++ */ ++ ++ env_vars_end ++} ENV_VARS; ++ ++ ++struct env_description { ++ ENV_VARS idx; ++ char *nm; ++ char *alias; ++}; ++ ++#define ENVSTR(x) #x ++#define _ENV_ENTRY(x) {.idx = x, .nm = ENVSTR(x), .alias = NULL} ++ ++struct env_description env_ns[] = { ++ _ENV_ENTRY(env_vars_start), /* start. */ ++ _ENV_ENTRY(CPUFREQ), ++ _ENV_ENTRY(MEMSZ), ++ _ENV_ENTRY(FLASHSZ), ++ _ENV_ENTRY(MODETTY0), ++ _ENV_ENTRY(MODETTY1), ++ _ENV_ENTRY(PROMPT), ++ _ENV_ENTRY(BOOTCFG), ++ _ENV_ENTRY(HWA_0), ++#if !defined (AVALANCHE) || defined(TNETC401B) ++ _ENV_ENTRY(HWA_1), ++#endif ++#if !defined(TNETV1020_BOARD) ++ _ENV_ENTRY(HWA_RNDIS), ++#endif ++#if defined (TNETD73XX_BOARD) ++ _ENV_ENTRY(HWA_3), ++#endif ++ _ENV_ENTRY(IPA), ++ _ENV_ENTRY(IPA_SVR), ++ _ENV_ENTRY(IPA_GATEWAY), ++ _ENV_ENTRY(SUBNET_MASK), ++ _ENV_ENTRY(BLINE_MAC0), ++#if !defined (AVALANCHE) || defined(TNETC401B) ++ _ENV_ENTRY(BLINE_MAC1), ++#endif ++#if !defined(TNETV1020_BOARD) ++ _ENV_ENTRY(BLINE_RNDIS), ++#endif ++#if defined (TNETD73XX_BOARD) ++ _ENV_ENTRY(BLINE_ATM), ++#endif ++#if !defined(TNETV1020_BOARD) ++ _ENV_ENTRY(USB_PID), ++ _ENV_ENTRY(USB_VID), ++ _ENV_ENTRY(USB_EPPOLLI), ++#endif ++#if defined (TNETV1050_BOARD) ++ _ENV_ENTRY(BLINE_ESWITCH), ++#endif ++#if !defined(TNETV1020_BOARD) ++ _ENV_ENTRY(USB_SERIAL), ++ _ENV_ENTRY(HWA_HRNDIS), ++#endif ++ _ENV_ENTRY(REMOTE_USER), ++ _ENV_ENTRY(REMOTE_PASS), ++ _ENV_ENTRY(REMOTE_DIR), ++ _ENV_ENTRY(SYSFREQ), ++ _ENV_ENTRY(LINK_TIMEOUT), ++#ifndef AVALANCHE /* Avalanche boards use only one mac port */ ++ _ENV_ENTRY(MAC_PORT), ++#endif ++ _ENV_ENTRY(PATH), ++ _ENV_ENTRY(HOSTNAME), ++#ifdef WLAN ++ _ENV_ENTRY(HW_REV_MAJOR), ++ _ENV_ENTRY(HW_REV_MINOR), ++ _ENV_ENTRY(HW_PATCH), ++ _ENV_ENTRY(SW_PATCH), ++ _ENV_ENTRY(SERIAL_NUMBER), ++#endif ++ _ENV_ENTRY(TFTPCFG), ++#if defined (TNETV1050_BOARD) ++ _ENV_ENTRY(HWA_ESWITCH), ++#endif ++ /* ++ * Add new entries below this. ++ */ ++ /* Adam2 environment name alias. */ ++ { .idx = IPA, .nm = "my_ipaddress" }, ++ { .idx = CPUFREQ, .nm = "cpufrequency" }, ++ { .idx = SYSFREQ, .nm = "sysfrequency" }, ++ { .idx = HWA_0, .nm = "maca" }, ++#ifndef AVALANCHE ++ { .idx = HWA_1, .nm = "macb" }, ++#endif ++ { .idx = MODETTY0, .nm = "modetty0" }, ++ { .idx = MODETTY1, .nm = "modetty1" }, ++ { .idx = MEMSZ, .nm = "memsize" }, ++ ++ _ENV_ENTRY(env_vars_end) /* delimiter. */ ++}; ++ ++static inline int var_to_idx(const char* var) ++{ ++ int ii; ++ ++ /* go over the list of pre-defined environment variables */ ++ for (ii = env_vars_start; env_ns[ii].idx != env_vars_end; ii++){ ++ /* check if the env variable is listed */ ++ if (strcmp(env_ns[ii].nm, var) == 0) { ++ return env_ns[ii].idx; ++ } ++ ++ /* if an alias is present, check if the alias matches ++ * the description ++ */ ++ if (env_ns[ii].alias != NULL) { ++ if (strcmp(env_ns[ii].alias, var) == 0) { ++ return env_ns[ii].idx; ++ } ++ } ++ } ++ return 0; ++} ++ ++extern int *_prom_envp; ++ ++/* FIXME: reading from the flash is extremly unstable. Sometime a read returns garbage, ++ * the next read some seconds later is ok. It looks like something is hidding or ++ * overlay the flash address at 0xb0000000. Is this possible? ++ * ++ * The readb() and while() usage below is a attempt of a workarround - with limited success. ++ */ ++ ++static inline struct env_variable* get_var_by_number(int index) ++{ ++ struct env_variable *env_var = (struct env_variable *)_prom_envp; ++ volatile unsigned char nr; ++ int i; ++ ++ env_var++; /* skip signature */ ++ ++ i = 0; ++ nr = readb(&(env_var->varNum)); ++ ++ while (i < max_env_entry && nr != 0xFF) { ++ if ((env_var->ctrl & ENV_CTRL_MASK) == ENV_PREFINED) { ++ if (nr == index) { ++ return env_var; ++ } ++ } ++ i++; ++ env_var = get_next_block(env_var); ++ nr = readb(&(env_var->varNum)); ++ } ++ ++ return NULL; ++} ++ ++static inline struct env_variable* get_var_by_name(char *var) ++{ ++ struct env_variable *env_var = (struct env_variable *)_prom_envp; ++ volatile unsigned char nr; ++ int i; ++ ++ env_var++; /* skip signature */ ++ ++ nr = readb(&(env_var->varNum)); ++ i = 0; ++ ++ while (i < max_env_entry && nr != 0xFF) { ++ if ((env_var->ctrl & ENV_CTRL_MASK) == ENV_DYNAMIC) { ++ if (strcmp(var, env_var->data) == 0) ++ return env_var; ++ } ++ i++; ++ env_var = get_next_block(env_var); ++ nr = readb(&(env_var->varNum)); ++ } ++ return NULL; ++} ++ ++static inline struct env_variable* get_var(char *var) ++{ ++ int index = var_to_idx(var); ++ ++ if (index) ++ return get_var_by_number(index); ++ else ++ return get_var_by_name(var); ++ ++ return NULL; ++} ++ ++static inline char *get_value(struct env_variable* env_var) ++{ ++ unsigned char *name; ++ unsigned char *value; ++ unsigned short chksum; ++ int i; ++ ++ chksum = env_var->varNum + env_var->ctrl + env_var->numCells; ++ ++ if ((env_var->ctrl & ENV_CTRL_MASK) == ENV_DYNAMIC) { ++ name = env_var->data; ++ value = env_var->data + strlen(name) + 1; ++ ++ for(i = 0; i < strlen(name); i++) ++ chksum += name[i]; ++ } else ++ value = env_var->data; ++ ++ for (i = 0; i < strlen(value); i++) ++ chksum += value[i]; ++ ++ chksum += env_var->chksum; ++ chksum = ~(chksum); ++ ++ if(chksum != 0) { ++ return NULL; ++ } ++ ++ return value; ++} ++ ++struct psbl_rec { ++ unsigned int psbl_size; ++ unsigned int env_base; ++ unsigned int env_size; ++ unsigned int ffs_base; ++ unsigned int ffs_size; ++}; ++ ++char *prom_psp_getenv(char *envname) ++{ ++ struct env_variable* env_var; ++ char *value; ++ ++ if (strcmp("bootloader", envname) == 0) ++ return "PSPBoot"; ++ ++ if (!(env_var = get_var(envname))) ++ return NULL; ++ ++ value = get_value(env_var); ++ ++ return value; ++} diff -urN linux.old/arch/mips/ar7/reset.c linux.dev/arch/mips/ar7/reset.c --- linux.old/arch/mips/ar7/reset.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux.dev/arch/mips/ar7/reset.c 2005-07-26 18:38:00.088612336 +0200 ++++ linux.dev/arch/mips/ar7/reset.c 2005-08-12 19:32:05.139225208 +0200 @@ -0,0 +1,56 @@ +/* + * Carsten Langgaard, carstenl@mips.com @@ -2074,7 +2107,7 @@ diff -urN linux.old/arch/mips/ar7/reset.c linux.dev/arch/mips/ar7/reset.c +} diff -urN linux.old/arch/mips/ar7/setup.c linux.dev/arch/mips/ar7/setup.c --- linux.old/arch/mips/ar7/setup.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux.dev/arch/mips/ar7/setup.c 2005-07-26 18:11:02.628503000 +0200 ++++ linux.dev/arch/mips/ar7/setup.c 2005-08-12 19:32:05.139225208 +0200 @@ -0,0 +1,120 @@ +/* + * Carsten Langgaard, carstenl@mips.com @@ -2198,7 +2231,7 @@ diff -urN linux.old/arch/mips/ar7/setup.c linux.dev/arch/mips/ar7/setup.c +} diff -urN linux.old/arch/mips/ar7/time.c linux.dev/arch/mips/ar7/time.c --- linux.old/arch/mips/ar7/time.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux.dev/arch/mips/ar7/time.c 2005-07-26 18:38:00.088612336 +0200 ++++ linux.dev/arch/mips/ar7/time.c 2005-08-12 23:34:00.272589528 +0200 @@ -0,0 +1,124 @@ +/* + * Carsten Langgaard, carstenl@mips.com @@ -2326,7 +2359,7 @@ diff -urN linux.old/arch/mips/ar7/time.c linux.dev/arch/mips/ar7/time.c +} diff -urN linux.old/arch/mips/ar7/tnetd73xx_misc.c linux.dev/arch/mips/ar7/tnetd73xx_misc.c --- linux.old/arch/mips/ar7/tnetd73xx_misc.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux.dev/arch/mips/ar7/tnetd73xx_misc.c 2005-07-26 18:11:02.630503000 +0200 ++++ linux.dev/arch/mips/ar7/tnetd73xx_misc.c 2005-08-12 19:32:05.140225056 +0200 @@ -0,0 +1,924 @@ +/****************************************************************************** + * FILE PURPOSE: TNETD73xx Misc modules API Source @@ -3253,8 +3286,8 @@ diff -urN linux.old/arch/mips/ar7/tnetd73xx_misc.c linux.dev/arch/mips/ar7/tnetd +} + diff -urN linux.old/arch/mips/config-shared.in linux.dev/arch/mips/config-shared.in ---- linux.old/arch/mips/config-shared.in 2005-07-26 18:18:16.263581096 +0200 -+++ linux.dev/arch/mips/config-shared.in 2005-07-26 18:38:00.089612184 +0200 +--- linux.old/arch/mips/config-shared.in 2005-07-10 03:00:44.000000000 +0200 ++++ linux.dev/arch/mips/config-shared.in 2005-08-12 19:53:15.060167880 +0200 @@ -20,6 +20,16 @@ mainmenu_option next_comment comment 'Machine selection' @@ -3272,19 +3305,18 @@ diff -urN linux.old/arch/mips/config-shared.in linux.dev/arch/mips/config-shared dep_bool 'Support for Alchemy Bosporus board' CONFIG_MIPS_BOSPORUS $CONFIG_MIPS32 dep_bool 'Support for FIC Multimedia Player board' CONFIG_MIPS_FICMMP $CONFIG_MIPS32 dep_bool 'Support for Alchemy Mirage board' CONFIG_MIPS_MIRAGE $CONFIG_MIPS32 -@@ -239,6 +249,11 @@ +@@ -239,6 +249,10 @@ define_bool CONFIG_NONCOHERENT_IO y define_bool CONFIG_PC_KEYB y fi +if [ "$CONFIG_AR7" = "y" ]; then + define_bool CONFIG_NONCOHERENT_IO y + define_bool CONFIG_SWAP_IO_SPACE y -+ define_bool CONFIG_AR7_PAGING y +fi if [ "$CONFIG_CASIO_E55" = "y" ]; then define_bool CONFIG_IRQ_CPU y define_bool CONFIG_NONCOHERENT_IO y -@@ -736,6 +751,7 @@ +@@ -736,6 +750,7 @@ mainmenu_option next_comment comment 'General setup' if [ "$CONFIG_ACER_PICA_61" = "y" -o \ @@ -3292,7 +3324,7 @@ diff -urN linux.old/arch/mips/config-shared.in linux.dev/arch/mips/config-shared "$CONFIG_CASIO_E55" = "y" -o \ "$CONFIG_DDB5074" = "y" -o \ "$CONFIG_DDB5476" = "y" -o \ -@@ -797,6 +813,7 @@ +@@ -797,6 +812,7 @@ bool 'Networking support' CONFIG_NET if [ "$CONFIG_ACER_PICA_61" = "y" -o \ @@ -3300,9 +3332,29 @@ diff -urN linux.old/arch/mips/config-shared.in linux.dev/arch/mips/config-shared "$CONFIG_CASIO_E55" = "y" -o \ "$CONFIG_DECSTATION" = "y" -o \ "$CONFIG_IBM_WORKPAD" = "y" -o \ +diff -urN linux.old/arch/mips/kernel/head.S linux.dev/arch/mips/kernel/head.S +--- linux.old/arch/mips/kernel/head.S 2005-07-10 02:55:18.000000000 +0200 ++++ linux.dev/arch/mips/kernel/head.S 2005-08-12 23:05:36.954533232 +0200 +@@ -75,11 +75,11 @@ + * size! + */ + NESTED(except_vec4, 0, sp) +- .set push +- .set noreorder +-1: j 1b /* Dummy, will be replaced */ +- nop +- .set pop ++ .set mips2 ++ lui k0, 0x9400 ++ ori k0, 0x200 ++ jr k0 ++ nop + END(except_vec4) + + /* diff -urN linux.old/arch/mips/kernel/irq.c linux.dev/arch/mips/kernel/irq.c ---- linux.old/arch/mips/kernel/irq.c 2005-07-26 18:18:16.264580944 +0200 -+++ linux.dev/arch/mips/kernel/irq.c 2005-07-26 18:11:02.632503000 +0200 +--- linux.old/arch/mips/kernel/irq.c 2005-07-10 03:00:44.000000000 +0200 ++++ linux.dev/arch/mips/kernel/irq.c 2005-08-12 19:32:05.142224752 +0200 @@ -76,6 +76,7 @@ * Generic, controller-independent functions: */ @@ -3352,8 +3404,8 @@ diff -urN linux.old/arch/mips/kernel/irq.c linux.dev/arch/mips/kernel/irq.c /* * IRQ autodetection code.. diff -urN linux.old/arch/mips/kernel/mips_ksyms.c linux.dev/arch/mips/kernel/mips_ksyms.c ---- linux.old/arch/mips/kernel/mips_ksyms.c 2005-07-26 18:18:16.265580792 +0200 -+++ linux.dev/arch/mips/kernel/mips_ksyms.c 2005-07-26 18:11:02.633502000 +0200 +--- linux.old/arch/mips/kernel/mips_ksyms.c 2004-02-18 14:36:30.000000000 +0100 ++++ linux.dev/arch/mips/kernel/mips_ksyms.c 2005-08-12 19:32:05.142224752 +0200 @@ -40,6 +40,12 @@ extern long __strnlen_user_nocheck_asm(const char *s); extern long __strnlen_user_asm(const char *s); @@ -3378,35 +3430,34 @@ diff -urN linux.old/arch/mips/kernel/mips_ksyms.c linux.dev/arch/mips/kernel/mip +#endif + diff -urN linux.old/arch/mips/kernel/setup.c linux.dev/arch/mips/kernel/setup.c ---- linux.old/arch/mips/kernel/setup.c 2005-07-26 18:18:16.265580792 +0200 -+++ linux.dev/arch/mips/kernel/setup.c 2005-07-26 18:38:00.090612032 +0200 -@@ -109,6 +109,7 @@ - unsigned long isa_slot_offset; - EXPORT_SYMBOL(isa_slot_offset); - -+extern void avalanche_bootmem_init(void); - extern void SetUpBootInfo(void); - extern void load_mmu(void); - extern asmlinkage void start_kernel(void); -@@ -267,6 +268,9 @@ - #endif /* CONFIG_BLK_DEV_INITRD */ +--- linux.old/arch/mips/kernel/setup.c 2005-07-10 03:00:44.000000000 +0200 ++++ linux.dev/arch/mips/kernel/setup.c 2005-08-12 19:56:27.917849056 +0200 +@@ -235,7 +235,11 @@ + #define PFN_DOWN(x) ((x) >> PAGE_SHIFT) + #define PFN_PHYS(x) ((x) << PAGE_SHIFT) - /* Find the highest page frame number we have available. */ -+#ifdef CONFIG_AR7_PAGING -+ avalanche_bootmem_init(); ++#ifdef CONFIG_AR7 ++#define MAXMEM HIGHMEM_START + CONFIG_AR7_MEMORY +#else - max_pfn = 0; - first_usable_pfn = -1UL; - for (i = 0; i < boot_mem_map.nr_map; i++) { -@@ -377,6 +381,7 @@ - /* Reserve the bootmap memory. */ - reserve_bootmem(PFN_PHYS(first_usable_pfn), bootmap_size); + #define MAXMEM HIGHMEM_START ++#endif + #define MAXMEM_PFN PFN_DOWN(MAXMEM) + + static inline void bootmem_init(void) +@@ -320,7 +324,12 @@ + #endif + /* Initialize the boot-time allocator with low memory only. */ ++#ifdef CONFIG_AR7 ++ bootmap_size = init_bootmem_node(NODE_DATA(0), start_pfn, ++ CONFIG_AR7_MEMORY >> PAGE_SHIFT, max_low_pfn); ++#else + bootmap_size = init_bootmem(first_usable_pfn, max_low_pfn); +#endif - #ifdef CONFIG_BLK_DEV_INITRD - /* Board specific code should have set up initrd_start and initrd_end */ - ROOT_DEV = MKDEV(RAMDISK_MAJOR, 0); -@@ -494,6 +499,7 @@ + + /* + * Register fully available low RAM pages with the bootmem allocator. +@@ -494,6 +503,7 @@ void hp_setup(void); void au1x00_setup(void); void frame_info_init(void); @@ -3414,7 +3465,7 @@ diff -urN linux.old/arch/mips/kernel/setup.c linux.dev/arch/mips/kernel/setup.c frame_info_init(); #if defined(CONFIG_BLK_DEV_FD) || defined(CONFIG_BLK_DEV_FD_MODULE) -@@ -691,6 +697,11 @@ +@@ -691,6 +701,11 @@ pmc_yosemite_setup(); break; #endif @@ -3427,16 +3478,16 @@ diff -urN linux.old/arch/mips/kernel/setup.c linux.dev/arch/mips/kernel/setup.c panic("Unsupported architecture"); } diff -urN linux.old/arch/mips/kernel/traps.c linux.dev/arch/mips/kernel/traps.c ---- linux.old/arch/mips/kernel/traps.c 2005-07-26 18:18:16.267580488 +0200 -+++ linux.dev/arch/mips/kernel/traps.c 2005-07-26 18:38:00.091611880 +0200 +--- linux.old/arch/mips/kernel/traps.c 2005-07-10 03:00:44.000000000 +0200 ++++ linux.dev/arch/mips/kernel/traps.c 2005-08-12 23:38:46.505075576 +0200 @@ -869,9 +869,15 @@ exception_handlers[n] = handler; if (n == 0 && cpu_has_divec) { +#ifdef CONFIG_AR7 -+ *(volatile u32 *)((KSEG0+CONFIG_AR7_MEMORY)+0x200) = 0x08000000 | -+ (0x03ffffff & (handler >> 2)); -+ flush_icache_range((KSEG0+CONFIG_AR7_MEMORY)+0x200, (KSEG0+CONFIG_AR7_MEMORY) + 0x204); ++ *(volatile u32 *)(KSEG0+0x200+CONFIG_AR7_MEMORY) = 0x08000000 | ++ (0x03ffffff & (handler >> 2)); ++ flush_icache_range(KSEG0+0x200+CONFIG_AR7_MEMORY, KSEG0 + 0x204 + CONFIG_AR7_MEMORY); +#else *(volatile u32 *)(KSEG0+0x200) = 0x08000000 | (0x03ffffff & (handler >> 2)); @@ -3445,176 +3496,118 @@ diff -urN linux.old/arch/mips/kernel/traps.c linux.dev/arch/mips/kernel/traps.c } return (void *)old_handler; } -@@ -920,14 +926,46 @@ - void __init trap_init(void) - { - extern char except_vec1_generic; -+ extern char except_vec2_generic; - extern char except_vec3_generic, except_vec3_r4000; - extern char except_vec_ejtag_debug; - extern char except_vec4; - unsigned long i; - -+#ifdef CONFIG_AR7 -+ extern char jump_tlb_miss, jump_tlb_miss_unused; -+ extern char jump_cache_error,jump_general_exception; -+ extern char jump_dedicated_interrupt; -+ clear_c0_status(ST0_BEV); -+#endif -+ - /* Copy the generic exception handler code to it's final destination. */ - memcpy((void *)(KSEG0 + 0x80), &except_vec1_generic, 0x80); -+ memcpy((void *)(KSEG0 + 0x100), &except_vec2_generic, 0x80); -+ memcpy((void *)(KSEG0 + 0x180), &except_vec3_generic, 0x80); - -+ memcpy((void *)(KSEG0 + 0x0), &jump_tlb_miss, 0x80); -+ memcpy((void *)(KSEG0 + 0x80), &jump_tlb_miss_unused, 0x80); -+ memcpy((void *)(KSEG0 + 0x100), &jump_cache_error, 0x80); -+ memcpy((void *)(KSEG0 + 0x180), &jump_general_exception, 0x80); -+ memcpy((void *)(KSEG0 + 0x200), &jump_dedicated_interrupt, 0x80); -+ -+#ifdef CONFIG_AR7 -+ memcpy((void *)((KSEG0+CONFIG_AR7_MEMORY) + 0x80), &except_vec1_generic, 0x80); -+ memcpy((void *)((KSEG0+CONFIG_AR7_MEMORY) + 0x100), &except_vec2_generic, 0x80); -+ memcpy((void *)((KSEG0+CONFIG_AR7_MEMORY) + 0x180), &except_vec3_generic, 0x80); -+ flush_icache_range((KSEG0+CONFIG_AR7_MEMORY), (KSEG0+CONFIG_AR7_MEMORY) + 0x200); -+ -+ memcpy((void *)(KSEG0 + 0x0), &jump_tlb_miss, 0x80); -+ memcpy((void *)(KSEG0 + 0x80), &jump_tlb_miss_unused, 0x80); -+ memcpy((void *)(KSEG0 + 0x100), &jump_cache_error, 0x80); -+ memcpy((void *)(KSEG0 + 0x180), &jump_general_exception, 0x80); -+ memcpy((void *)(KSEG0 + 0x200), &jump_dedicated_interrupt, 0x80); -+#else -+ memcpy((void *)(KSEG0 + 0x80), &except_vec1_generic, 0x80); -+#endif -+ flush_icache_range(KSEG0 + 0x80, KSEG0 + 0x200); -+ - /* - * Setup default vectors - */ -@@ -951,8 +989,12 @@ - * Some MIPS CPUs have a dedicated interrupt vector which reduces the - * interrupt processing overhead. Use it where available. - */ -+#ifdef CONFIG_AR7 -+ memcpy((void *)((KSEG0+CONFIG_AR7_MEMORY) + 0x200), &except_vec4, 8); -+#else - if (cpu_has_divec) - memcpy((void *)(KSEG0 + 0x200), &except_vec4, 8); -+#endif - - /* - * Some CPUs can enable/disable for cache parity detection, but does -@@ -991,12 +1033,17 @@ - if (cpu_has_mcheck) - set_except_vector(24, handle_mcheck); - -+memcpy((void *)(KSEG0 + 0x180), &except_vec3_generic, 0x80); -+#ifdef CONFIG_AR7 -+ memcpy((void *)((KSEG0+CONFIG_AR7_MEMORY) + 0x180), &except_vec3_generic, 0x80); -+#else - if (cpu_has_vce) - memcpy((void *)(KSEG0 + 0x180), &except_vec3_r4000, 0x80); - else if (cpu_has_4kex) - memcpy((void *)(KSEG0 + 0x180), &except_vec3_generic, 0x80); - else - memcpy((void *)(KSEG0 + 0x080), &except_vec3_generic, 0x80); -+#endif +@@ -1022,6 +1028,12 @@ - if (current_cpu_data.cputype == CPU_R6000 || - current_cpu_data.cputype == CPU_R6000A) { -@@ -1023,7 +1070,11 @@ if (board_nmi_handler_setup) board_nmi_handler_setup(); - +#ifdef CONFIG_AR7 -+ flush_icache_range((KSEG0+CONFIG_AR7_MEMORY), (KSEG0+CONFIG_AR7_MEMORY) + 0x200); -+#else - flush_icache_range(KSEG0, KSEG0 + 0x400); ++ memcpy((void *)(KSEG0 + CONFIG_AR7_MEMORY + 0x80), &except_vec1_generic, 0x80); ++ memcpy((void *)(KSEG0 + CONFIG_AR7_MEMORY + 0x180), &except_vec3_generic, 0x80); ++ memcpy((void *)(KSEG0 + CONFIG_AR7_MEMORY + 0x200), &except_vec4, 8); ++ flush_icache_range(KSEG0 + CONFIG_AR7_MEMORY, KSEG0 + CONFIG_AR7_MEMORY + 0x208); +#endif - per_cpu_trap_init(); - } + flush_icache_range(KSEG0, KSEG0 + 0x400); + diff -urN linux.old/arch/mips/lib/promlib.c linux.dev/arch/mips/lib/promlib.c ---- linux.old/arch/mips/lib/promlib.c 2005-07-26 18:18:16.267580488 +0200 -+++ linux.dev/arch/mips/lib/promlib.c 2005-07-26 18:11:02.635502000 +0200 -@@ -1,3 +1,4 @@ -+#ifndef CONFIG_AR7 +--- linux.old/arch/mips/lib/promlib.c 2005-07-10 03:00:44.000000000 +0200 ++++ linux.dev/arch/mips/lib/promlib.c 2005-08-12 20:39:57.087195024 +0200 +@@ -1,6 +1,8 @@ #include #include ++#include + ++#ifndef CONFIG_AR7 + extern void prom_putchar(char); -@@ -22,3 +23,4 @@ + void prom_printf(char *fmt, ...) +@@ -22,3 +24,4 @@ } va_end(args); } +#endif +diff -urN linux.old/arch/mips/Makefile linux.dev/arch/mips/Makefile +--- linux.old/arch/mips/Makefile 2005-07-10 03:00:44.000000000 +0200 ++++ linux.dev/arch/mips/Makefile 2005-08-12 20:38:28.398677728 +0200 +@@ -369,6 +369,16 @@ + endif + + # ++# Texas Instruments AR7 ++# ++ ++ifdef CONFIG_AR7 ++LIBS += arch/mips/ar7/ar7.o ++SUBDIRS += arch/mips/ar7 ++LOADADDR += 0x94020000 ++endif ++ ++# + # DECstation family + # + ifdef CONFIG_DECSTATION diff -urN linux.old/arch/mips/mm/init.c linux.dev/arch/mips/mm/init.c ---- linux.old/arch/mips/mm/init.c 2005-07-26 18:18:16.268580336 +0200 -+++ linux.dev/arch/mips/mm/init.c 2005-07-26 18:38:00.091611880 +0200 -@@ -235,6 +235,7 @@ - #endif - } +--- linux.old/arch/mips/mm/init.c 2005-07-10 03:00:44.000000000 +0200 ++++ linux.dev/arch/mips/mm/init.c 2005-08-12 21:08:04.420681344 +0200 +@@ -248,6 +248,9 @@ -+#ifndef CONFIG_AR7_PAGING - void __init paging_init(void) - { - unsigned long zones_size[MAX_NR_ZONES] = {0, 0, 0}; -@@ -272,6 +273,7 @@ + max_dma = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT; + low = max_low_pfn; ++#ifdef CONFIG_AR7 ++ low = NODE_DATA(0)->bdata->node_low_pfn - (CONFIG_AR7_MEMORY >> PAGE_SHIFT); ++#endif + high = highend_pfn; + #ifdef CONFIG_ISA +@@ -270,7 +273,11 @@ + zones_size[ZONE_HIGHMEM] = high - low; + #endif + ++#ifdef CONFIG_AR7 ++ free_area_init_node(0, NODE_DATA(0), 0, zones_size, CONFIG_AR7_MEMORY, 0); ++#else free_area_init(zones_size); - } +#endif + } #define PFN_UP(x) (((x) + PAGE_SIZE - 1) >> PAGE_SHIFT) - #define PFN_DOWN(x) ((x) >> PAGE_SHIFT) -@@ -298,6 +300,7 @@ +@@ -298,6 +305,10 @@ return 0; } -+#ifndef CONFIG_AR7_PAGING ++#ifdef CONFIG_AR7 ++#define START_PFN (NODE_DATA(0)->bdata->node_boot_start >> PAGE_SHIFT) ++#define MAX_LOW_PFN (NODE_DATA(0)->bdata->node_low_pfn) ++#endif void __init mem_init(void) { unsigned long codesize, reservedpages, datasize, initsize; -@@ -359,6 +362,7 @@ - initsize >> 10, - (unsigned long) (totalhigh_pages << (PAGE_SHIFT-10))); - } -+#endif - - #ifdef CONFIG_BLK_DEV_INITRD - void free_initrd_mem(unsigned long start, unsigned long end) -@@ -397,6 +401,7 @@ - (&__init_end - &__init_begin) >> 10); - } - -+#ifndef CONFIG_AR7_PAGING - void si_meminfo(struct sysinfo *val) - { - val->totalram = totalram_pages; -@@ -409,3 +414,4 @@ - - return; - } -+#endif -diff -urN linux.old/arch/mips/mm/tlb-r4k.c linux.dev/arch/mips/mm/tlb-r4k.c ---- linux.old/arch/mips/mm/tlb-r4k.c 2005-07-26 18:18:16.269580184 +0200 -+++ linux.dev/arch/mips/mm/tlb-r4k.c 2005-07-26 18:38:00.092611728 +0200 -@@ -375,7 +375,12 @@ - else if (current_cpu_data.cputype == CPU_R4600) - memcpy((void *)KSEG0, &except_vec0_r4600, 0x80); - else +@@ -315,9 +326,21 @@ + #else + max_mapnr = num_mappedpages = num_physpages = max_low_pfn; + #endif ++ +#ifdef CONFIG_AR7 -+ memcpy((void *)(KSEG0+CONFIG_AR7_MEMORY), &except_vec0_r4000, 0x80); -+ flush_icache_range((KSEG0+CONFIG_AR7_MEMORY), (KSEG0+CONFIG_AR7_MEMORY) + 0x80); ++ max_mapnr = num_mappedpages = num_physpages = MAX_LOW_PFN - START_PFN; ++ high_memory = (void *) __va(MAX_LOW_PFN * PAGE_SIZE); ++ ++#if 0 ++ /* WTF? */ ++ free_bootmem_node(NODE_DATA(0), (CONFIG_AR7_MEMORY+PAGE_SIZE), (__pa(&_ftext))-(CONFIG_AR7_MEMORY+PAGE_SIZE)); ++#endif ++ totalram_pages += free_all_bootmem_node(NODE_DATA(0)); +#else - memcpy((void *)KSEG0, &except_vec0_r4000, 0x80); - flush_icache_range(KSEG0, KSEG0 + 0x80); + high_memory = (void *) __va(max_low_pfn * PAGE_SIZE); +- + totalram_pages += free_all_bootmem(); +#endif - } - } ++ + totalram_pages -= setup_zero_pages(); /* Setup zeroed pages. */ + + reservedpages = ram = 0; diff -urN linux.old/drivers/char/serial.c linux.dev/drivers/char/serial.c ---- linux.old/drivers/char/serial.c 2005-07-26 18:18:16.274579424 +0200 -+++ linux.dev/drivers/char/serial.c 2005-07-26 18:38:00.096611120 +0200 +--- linux.old/drivers/char/serial.c 2005-07-10 03:00:44.000000000 +0200 ++++ linux.dev/drivers/char/serial.c 2005-08-12 19:32:05.147223992 +0200 @@ -419,7 +419,40 @@ return 0; } @@ -3713,7 +3706,7 @@ diff -urN linux.old/drivers/char/serial.c linux.dev/drivers/char/serial.c cval >>= 8; diff -urN linux.old/include/asm-mips/ar7/ar7.h linux.dev/include/asm-mips/ar7/ar7.h --- linux.old/include/asm-mips/ar7/ar7.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux.dev/include/asm-mips/ar7/ar7.h 2005-07-26 18:11:02.643501000 +0200 ++++ linux.dev/include/asm-mips/ar7/ar7.h 2005-08-12 19:32:05.147223992 +0200 @@ -0,0 +1,33 @@ +/* + * $Id$ @@ -3750,7 +3743,7 @@ diff -urN linux.old/include/asm-mips/ar7/ar7.h linux.dev/include/asm-mips/ar7/ar +#endif diff -urN linux.old/include/asm-mips/ar7/avalanche_intc.h linux.dev/include/asm-mips/ar7/avalanche_intc.h --- linux.old/include/asm-mips/ar7/avalanche_intc.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux.dev/include/asm-mips/ar7/avalanche_intc.h 2005-07-26 18:38:00.097610968 +0200 ++++ linux.dev/include/asm-mips/ar7/avalanche_intc.h 2005-08-12 19:32:05.148223840 +0200 @@ -0,0 +1,283 @@ + /* + * Nitin Dhingra, iamnd@ti.com @@ -4037,7 +4030,7 @@ diff -urN linux.old/include/asm-mips/ar7/avalanche_intc.h linux.dev/include/asm- +#endif /* _AVALANCHE_INTC_H */ diff -urN linux.old/include/asm-mips/ar7/avalanche_misc.h linux.dev/include/asm-mips/ar7/avalanche_misc.h --- linux.old/include/asm-mips/ar7/avalanche_misc.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux.dev/include/asm-mips/ar7/avalanche_misc.h 2005-07-26 18:11:02.645501000 +0200 ++++ linux.dev/include/asm-mips/ar7/avalanche_misc.h 2005-08-12 19:32:05.148223840 +0200 @@ -0,0 +1,174 @@ +#ifndef _AVALANCHE_MISC_H_ +#define _AVALANCHE_MISC_H_ @@ -4215,7 +4208,7 @@ diff -urN linux.old/include/asm-mips/ar7/avalanche_misc.h linux.dev/include/asm- +#endif diff -urN linux.old/include/asm-mips/ar7/avalanche_regs.h linux.dev/include/asm-mips/ar7/avalanche_regs.h --- linux.old/include/asm-mips/ar7/avalanche_regs.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux.dev/include/asm-mips/ar7/avalanche_regs.h 2005-07-26 18:11:02.646500000 +0200 ++++ linux.dev/include/asm-mips/ar7/avalanche_regs.h 2005-08-12 19:32:05.149223688 +0200 @@ -0,0 +1,567 @@ +/* + * $Id$ @@ -4786,7 +4779,7 @@ diff -urN linux.old/include/asm-mips/ar7/avalanche_regs.h linux.dev/include/asm- + diff -urN linux.old/include/asm-mips/ar7/if_port.h linux.dev/include/asm-mips/ar7/if_port.h --- linux.old/include/asm-mips/ar7/if_port.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux.dev/include/asm-mips/ar7/if_port.h 2005-07-26 18:11:02.647500000 +0200 ++++ linux.dev/include/asm-mips/ar7/if_port.h 2005-08-12 19:32:05.149223688 +0200 @@ -0,0 +1,26 @@ +/******************************************************************************* + * FILE PURPOSE: Interface port id Header file @@ -4814,9 +4807,90 @@ diff -urN linux.old/include/asm-mips/ar7/if_port.h linux.dev/include/asm-mips/ar + + +#endif /* _IF_PORT_H_ */ +diff -urN linux.old/include/asm-mips/ar7/sangam_boards.h linux.dev/include/asm-mips/ar7/sangam_boards.h +--- linux.old/include/asm-mips/ar7/sangam_boards.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux.dev/include/asm-mips/ar7/sangam_boards.h 2005-08-12 19:32:05.150223536 +0200 +@@ -0,0 +1,77 @@ ++#ifndef _SANGAM_BOARDS_H ++#define _SANGAM_BOARDS_H ++ ++// Let us define board specific information here. ++ ++ ++#if defined(CONFIG_AR7DB) ++ ++#define AFECLK_FREQ 35328000 ++#define REFCLK_FREQ 25000000 ++#define OSC3_FREQ 24000000 ++#define AVALANCHE_LOW_CPMAC_PHY_MASK 0x80000000 ++#define AVALANCHE_HIGH_CPMAC_PHY_MASK 0x55555555 ++#define AVALANCHE_LOW_CPMAC_MDIX_MASK 0x80000000 ++ ++#endif ++ ++ ++#if defined(CONFIG_AR7RD) ++#define AFECLK_FREQ 35328000 ++#define REFCLK_FREQ 25000000 ++#define OSC3_FREQ 24000000 ++#define AVALANCHE_LOW_CPMAC_PHY_MASK 0x80000000 ++#define AVALANCHE_HIGH_CPMAC_PHY_MASK 0x2 ++#define AVALANCHE_LOW_CPMAC_MDIX_MASK 0x80000000 ++#endif ++ ++ ++#if defined(CONFIG_AR7WI) ++#define AFECLK_FREQ 35328000 ++#define REFCLK_FREQ 25000000 ++#define OSC3_FREQ 24000000 ++#define AVALANCHE_LOW_CPMAC_PHY_MASK 0x80000000 ++#define AVALANCHE_HIGH_CPMAC_PHY_MASK 0x2 ++#define AVALANCHE_LOW_CPMAC_MDIX_MASK 0x80000000 ++#endif ++ ++ ++#if defined(CONFIG_AR7V) ++#define AFECLK_FREQ 35328000 ++#define REFCLK_FREQ 25000000 ++#define OSC3_FREQ 24000000 ++#define AVALANCHE_LOW_CPMAC_PHY_MASK 0x80000000 ++#define AVALANCHE_HIGH_CPMAC_PHY_MASK 0x2 ++#define AVALANCHE_LOW_CPMAC_MDIX_MASK 0x80000000 ++#endif ++ ++ ++#if defined(CONFIG_AR7WRD) ++#define AFECLK_FREQ 35328000 ++#define REFCLK_FREQ 25000000 ++#define OSC3_FREQ 24000000 ++#define AVALANCHE_LOW_CPMAC_PHY_MASK 0x80000000 ++#define AVALANCHE_HIGH_CPMAC_PHY_MASK 0x00010000 ++#define AVALANCHE_LOW_CPMAC_MDIX_MASK 0x80000000 ++#endif ++ ++ ++#if defined(CONFIG_AR7VWI) ++#define AFECLK_FREQ 35328000 ++#define REFCLK_FREQ 25000000 ++#define OSC3_FREQ 24000000 ++#define AVALANCHE_LOW_CPMAC_PHY_MASK 0x80000000 ++#define AVALANCHE_HIGH_CPMAC_PHY_MASK 0x00010000 ++#define AVALANCHE_LOW_CPMAC_MDIX_MASK 0x80000000 ++#endif ++ ++ ++#if defined CONFIG_SEAD2 ++#define AVALANCHE_LOW_CPMAC_PHY_MASK 0xAAAAAAAA ++#define AVALANCHE_HIGH_CPMAC_PHY_MASK 0x55555555 ++#define AVALANCHE_LOW_CPMAC_MDIX_MASK 0 ++#include ++#endif ++ ++ ++#endif diff -urN linux.old/include/asm-mips/ar7/sangam.h linux.dev/include/asm-mips/ar7/sangam.h --- linux.old/include/asm-mips/ar7/sangam.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux.dev/include/asm-mips/ar7/sangam.h 2005-07-26 18:11:02.648500000 +0200 ++++ linux.dev/include/asm-mips/ar7/sangam.h 2005-08-12 19:32:05.150223536 +0200 @@ -0,0 +1,180 @@ +#ifndef _SANGAM_H_ +#define _SANGAM_H_ @@ -4998,90 +5072,55 @@ diff -urN linux.old/include/asm-mips/ar7/sangam.h linux.dev/include/asm-mips/ar7 +#include "sangam_boards.h" + +#endif /*_SANGAM_H_ */ -diff -urN linux.old/include/asm-mips/ar7/sangam_boards.h linux.dev/include/asm-mips/ar7/sangam_boards.h ---- linux.old/include/asm-mips/ar7/sangam_boards.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux.dev/include/asm-mips/ar7/sangam_boards.h 2005-07-26 18:11:02.647500000 +0200 -@@ -0,0 +1,77 @@ -+#ifndef _SANGAM_BOARDS_H -+#define _SANGAM_BOARDS_H -+ -+// Let us define board specific information here. -+ -+ -+#if defined(CONFIG_AR7DB) -+ -+#define AFECLK_FREQ 35328000 -+#define REFCLK_FREQ 25000000 -+#define OSC3_FREQ 24000000 -+#define AVALANCHE_LOW_CPMAC_PHY_MASK 0x80000000 -+#define AVALANCHE_HIGH_CPMAC_PHY_MASK 0x55555555 -+#define AVALANCHE_LOW_CPMAC_MDIX_MASK 0x80000000 -+ -+#endif -+ -+ -+#if defined(CONFIG_AR7RD) -+#define AFECLK_FREQ 35328000 -+#define REFCLK_FREQ 25000000 -+#define OSC3_FREQ 24000000 -+#define AVALANCHE_LOW_CPMAC_PHY_MASK 0x80000000 -+#define AVALANCHE_HIGH_CPMAC_PHY_MASK 0x2 -+#define AVALANCHE_LOW_CPMAC_MDIX_MASK 0x80000000 -+#endif -+ -+ -+#if defined(CONFIG_AR7WI) -+#define AFECLK_FREQ 35328000 -+#define REFCLK_FREQ 25000000 -+#define OSC3_FREQ 24000000 -+#define AVALANCHE_LOW_CPMAC_PHY_MASK 0x80000000 -+#define AVALANCHE_HIGH_CPMAC_PHY_MASK 0x2 -+#define AVALANCHE_LOW_CPMAC_MDIX_MASK 0x80000000 -+#endif -+ -+ -+#if defined(CONFIG_AR7V) -+#define AFECLK_FREQ 35328000 -+#define REFCLK_FREQ 25000000 -+#define OSC3_FREQ 24000000 -+#define AVALANCHE_LOW_CPMAC_PHY_MASK 0x80000000 -+#define AVALANCHE_HIGH_CPMAC_PHY_MASK 0x2 -+#define AVALANCHE_LOW_CPMAC_MDIX_MASK 0x80000000 -+#endif +diff -urN linux.old/include/asm-mips/ar7/tnetd73xx_err.h linux.dev/include/asm-mips/ar7/tnetd73xx_err.h +--- linux.old/include/asm-mips/ar7/tnetd73xx_err.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux.dev/include/asm-mips/ar7/tnetd73xx_err.h 2005-08-12 19:32:05.171220344 +0200 +@@ -0,0 +1,42 @@ ++/****************************************************************************** ++ * FILE PURPOSE: TNETD73xx Error Definations Header File ++ ****************************************************************************** ++ * FILE NAME: tnetd73xx_err.h ++ * ++ * DESCRIPTION: Error definations for TNETD73XX ++ * ++ * REVISION HISTORY: ++ * 27 Nov 02 - PSP TII ++ * ++ * (C) Copyright 2002, Texas Instruments, Inc ++ *******************************************************************************/ + ++ ++#ifndef __TNETD73XX_ERR_H__ ++#define __TNETD73XX_ERR_H__ + -+#if defined(CONFIG_AR7WRD) -+#define AFECLK_FREQ 35328000 -+#define REFCLK_FREQ 25000000 -+#define OSC3_FREQ 24000000 -+#define AVALANCHE_LOW_CPMAC_PHY_MASK 0x80000000 -+#define AVALANCHE_HIGH_CPMAC_PHY_MASK 0x00010000 -+#define AVALANCHE_LOW_CPMAC_MDIX_MASK 0x80000000 -+#endif ++typedef enum TNETD73XX_ERR_t ++{ ++ TNETD73XX_ERR_OK = 0, /* OK or SUCCESS */ ++ TNETD73XX_ERR_ERROR = -1, /* Unspecified/Generic ERROR */ + ++ /* Pointers and args */ ++ TNETD73XX_ERR_INVARG = -2, /* Invaild argument to the call */ ++ TNETD73XX_ERR_NULLPTR = -3, /* NULL pointer */ ++ TNETD73XX_ERR_BADPTR = -4, /* Bad (out of mem) pointer */ + -+#if defined(CONFIG_AR7VWI) -+#define AFECLK_FREQ 35328000 -+#define REFCLK_FREQ 25000000 -+#define OSC3_FREQ 24000000 -+#define AVALANCHE_LOW_CPMAC_PHY_MASK 0x80000000 -+#define AVALANCHE_HIGH_CPMAC_PHY_MASK 0x00010000 -+#define AVALANCHE_LOW_CPMAC_MDIX_MASK 0x80000000 -+#endif ++ /* Memory issues */ ++ TNETD73XX_ERR_ALLOC_FAIL = -10, /* allocation failed */ ++ TNETD73XX_ERR_FREE_FAIL = -11, /* free failed */ ++ TNETD73XX_ERR_MEM_CORRUPT = -12, /* corrupted memory */ ++ TNETD73XX_ERR_BUF_LINK = -13, /* buffer linking failed */ + ++ /* Device issues */ ++ TNETD73XX_ERR_DEVICE_TIMEOUT = -20, /* device timeout on read/write */ ++ TNETD73XX_ERR_DEVICE_MALFUNC = -21, /* device malfunction */ + -+#if defined CONFIG_SEAD2 -+#define AVALANCHE_LOW_CPMAC_PHY_MASK 0xAAAAAAAA -+#define AVALANCHE_HIGH_CPMAC_PHY_MASK 0x55555555 -+#define AVALANCHE_LOW_CPMAC_MDIX_MASK 0 -+#include -+#endif ++ TNETD73XX_ERR_INVID = -30 /* Invalid ID */ + ++} TNETD73XX_ERR; + -+#endif ++#endif /* __TNETD73XX_ERR_H__ */ diff -urN linux.old/include/asm-mips/ar7/tnetd73xx.h linux.dev/include/asm-mips/ar7/tnetd73xx.h --- linux.old/include/asm-mips/ar7/tnetd73xx.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux.dev/include/asm-mips/ar7/tnetd73xx.h 2005-07-26 18:11:02.650500000 +0200 ++++ linux.dev/include/asm-mips/ar7/tnetd73xx.h 2005-08-12 19:32:05.151223384 +0200 @@ -0,0 +1,338 @@ +/****************************************************************************** + * FILE PURPOSE: TNETD73xx Common Header File @@ -5421,55 +5460,9 @@ diff -urN linux.old/include/asm-mips/ar7/tnetd73xx.h linux.dev/include/asm-mips/ + + +#endif /* __TNETD73XX_H_ */ -diff -urN linux.old/include/asm-mips/ar7/tnetd73xx_err.h linux.dev/include/asm-mips/ar7/tnetd73xx_err.h ---- linux.old/include/asm-mips/ar7/tnetd73xx_err.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux.dev/include/asm-mips/ar7/tnetd73xx_err.h 2005-07-26 18:11:02.649500000 +0200 -@@ -0,0 +1,42 @@ -+/****************************************************************************** -+ * FILE PURPOSE: TNETD73xx Error Definations Header File -+ ****************************************************************************** -+ * FILE NAME: tnetd73xx_err.h -+ * -+ * DESCRIPTION: Error definations for TNETD73XX -+ * -+ * REVISION HISTORY: -+ * 27 Nov 02 - PSP TII -+ * -+ * (C) Copyright 2002, Texas Instruments, Inc -+ *******************************************************************************/ -+ -+ -+#ifndef __TNETD73XX_ERR_H__ -+#define __TNETD73XX_ERR_H__ -+ -+typedef enum TNETD73XX_ERR_t -+{ -+ TNETD73XX_ERR_OK = 0, /* OK or SUCCESS */ -+ TNETD73XX_ERR_ERROR = -1, /* Unspecified/Generic ERROR */ -+ -+ /* Pointers and args */ -+ TNETD73XX_ERR_INVARG = -2, /* Invaild argument to the call */ -+ TNETD73XX_ERR_NULLPTR = -3, /* NULL pointer */ -+ TNETD73XX_ERR_BADPTR = -4, /* Bad (out of mem) pointer */ -+ -+ /* Memory issues */ -+ TNETD73XX_ERR_ALLOC_FAIL = -10, /* allocation failed */ -+ TNETD73XX_ERR_FREE_FAIL = -11, /* free failed */ -+ TNETD73XX_ERR_MEM_CORRUPT = -12, /* corrupted memory */ -+ TNETD73XX_ERR_BUF_LINK = -13, /* buffer linking failed */ -+ -+ /* Device issues */ -+ TNETD73XX_ERR_DEVICE_TIMEOUT = -20, /* device timeout on read/write */ -+ TNETD73XX_ERR_DEVICE_MALFUNC = -21, /* device malfunction */ -+ -+ TNETD73XX_ERR_INVID = -30 /* Invalid ID */ -+ -+} TNETD73XX_ERR; -+ -+#endif /* __TNETD73XX_ERR_H__ */ diff -urN linux.old/include/asm-mips/ar7/tnetd73xx_misc.h linux.dev/include/asm-mips/ar7/tnetd73xx_misc.h --- linux.old/include/asm-mips/ar7/tnetd73xx_misc.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux.dev/include/asm-mips/ar7/tnetd73xx_misc.h 2005-07-26 18:11:02.651500000 +0200 ++++ linux.dev/include/asm-mips/ar7/tnetd73xx_misc.h 2005-08-12 19:32:05.172220192 +0200 @@ -0,0 +1,239 @@ +/****************************************************************************** + * FILE PURPOSE: TNETD73xx Misc modules API Header @@ -5711,13 +5704,13 @@ diff -urN linux.old/include/asm-mips/ar7/tnetd73xx_misc.h linux.dev/include/asm- + +#endif /* __TNETD73XX_MISC_H__ */ diff -urN linux.old/include/asm-mips/io.h linux.dev/include/asm-mips/io.h ---- linux.old/include/asm-mips/io.h 2005-07-26 18:18:16.283578056 +0200 -+++ linux.dev/include/asm-mips/io.h 2005-07-26 18:11:02.651500000 +0200 +--- linux.old/include/asm-mips/io.h 2005-07-10 03:00:44.000000000 +0200 ++++ linux.dev/include/asm-mips/io.h 2005-08-12 21:13:28.133469520 +0200 @@ -63,8 +63,12 @@ #ifdef CONFIG_64BIT_PHYS_ADDR #define page_to_phys(page) ((u64)(page - mem_map) << PAGE_SHIFT) #else -+#ifdef CONFIG_AR7_PAGING ++#ifdef CONFIG_AR7 +#define page_to_phys(page) (((page - mem_map) << PAGE_SHIFT) + CONFIG_AR7_MEMORY) +#else #define page_to_phys(page) ((page - mem_map) << PAGE_SHIFT) @@ -5727,8 +5720,8 @@ diff -urN linux.old/include/asm-mips/io.h linux.dev/include/asm-mips/io.h #define IO_SPACE_LIMIT 0xffff diff -urN linux.old/include/asm-mips/irq.h linux.dev/include/asm-mips/irq.h ---- linux.old/include/asm-mips/irq.h 2005-07-26 18:18:16.284577904 +0200 -+++ linux.dev/include/asm-mips/irq.h 2005-07-26 18:11:02.652500000 +0200 +--- linux.old/include/asm-mips/irq.h 2005-07-10 03:00:44.000000000 +0200 ++++ linux.dev/include/asm-mips/irq.h 2005-08-12 19:32:05.172220192 +0200 @@ -14,7 +14,12 @@ #include #include @@ -5743,13 +5736,13 @@ diff -urN linux.old/include/asm-mips/irq.h linux.dev/include/asm-mips/irq.h #ifdef CONFIG_I8259 static inline int irq_cannonicalize(int irq) diff -urN linux.old/include/asm-mips/page.h linux.dev/include/asm-mips/page.h ---- linux.old/include/asm-mips/page.h 2005-07-26 18:18:16.284577904 +0200 -+++ linux.dev/include/asm-mips/page.h 2005-07-26 18:11:02.652500000 +0200 +--- linux.old/include/asm-mips/page.h 2005-07-10 03:00:44.000000000 +0200 ++++ linux.dev/include/asm-mips/page.h 2005-08-12 21:13:38.481896320 +0200 @@ -129,7 +129,11 @@ #define __pa(x) ((unsigned long) (x) - PAGE_OFFSET) #define __va(x) ((void *)((unsigned long) (x) + PAGE_OFFSET)) -+#ifdef CONFIG_AR7_PAGING ++#ifdef CONFIG_AR7 +#define virt_to_page(kaddr) phys_to_page(__pa(kaddr)) +#else #define virt_to_page(kaddr) (mem_map + (__pa(kaddr) >> PAGE_SHIFT)) @@ -5758,14 +5751,14 @@ diff -urN linux.old/include/asm-mips/page.h linux.dev/include/asm-mips/page.h #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ diff -urN linux.old/include/asm-mips/pgtable-32.h linux.dev/include/asm-mips/pgtable-32.h ---- linux.old/include/asm-mips/pgtable-32.h 2005-07-26 18:18:16.284577904 +0200 -+++ linux.dev/include/asm-mips/pgtable-32.h 2005-07-26 18:11:02.653499000 +0200 +--- linux.old/include/asm-mips/pgtable-32.h 2005-07-10 03:00:44.000000000 +0200 ++++ linux.dev/include/asm-mips/pgtable-32.h 2005-08-12 21:13:46.898616784 +0200 @@ -108,7 +108,18 @@ * and a page entry and page directory to the page they refer to. */ -#ifdef CONFIG_CPU_VR41XX -+#if defined(CONFIG_AR7_PAGING) ++#if defined(CONFIG_AR7) +#define mk_pte(page, pgprot) \ +({ \ + pte_t __pte; \ @@ -5793,7 +5786,7 @@ diff -urN linux.old/include/asm-mips/pgtable-32.h linux.dev/include/asm-mips/pgt } -#ifdef CONFIG_CPU_VR41XX -+#if defined(CONFIG_AR7_PAGING) ++#if defined(CONFIG_AR7) +#define phys_to_page(phys) (mem_map + (((phys)-CONFIG_AR7_MEMORY) >> PAGE_SHIFT)) +#define pte_page(x) phys_to_page(pte_val(x)) +#elif defined(CONFIG_CPU_VR41XX) @@ -5801,8 +5794,8 @@ diff -urN linux.old/include/asm-mips/pgtable-32.h linux.dev/include/asm-mips/pgt #define __mk_pte(page_nr,pgprot) __pte(((page_nr) << (PAGE_SHIFT+2)) | pgprot_val(pgprot)) #else diff -urN linux.old/include/asm-mips/serial.h linux.dev/include/asm-mips/serial.h ---- linux.old/include/asm-mips/serial.h 2005-07-26 18:18:16.285577752 +0200 -+++ linux.dev/include/asm-mips/serial.h 2005-07-26 18:11:02.654499000 +0200 +--- linux.old/include/asm-mips/serial.h 2005-07-10 03:00:44.000000000 +0200 ++++ linux.dev/include/asm-mips/serial.h 2005-08-12 19:32:05.174219888 +0200 @@ -65,6 +65,15 @@ #define C_P(card,port) (((card)<<6|(port)<<3) + 1) @@ -5827,3 +5820,15 @@ diff -urN linux.old/include/asm-mips/serial.h linux.dev/include/asm-mips/serial. ATLAS_SERIAL_PORT_DEFNS \ AU1000_SERIAL_PORT_DEFNS \ COBALT_SERIAL_PORT_DEFNS \ +diff -urN linux.old/Makefile linux.dev/Makefile +--- linux.old/Makefile 2005-07-10 03:00:44.000000000 +0200 ++++ linux.dev/Makefile 2005-08-12 19:32:05.122227792 +0200 +@@ -91,7 +91,7 @@ + + CPPFLAGS := -D__KERNEL__ -I$(HPATH) + +-CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes -Wno-trigraphs -O2 \ ++CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes -Wno-trigraphs -Os \ + -fno-strict-aliasing -fno-common + ifndef CONFIG_FRAME_POINTER + CFLAGS += -fomit-frame-pointer -- cgit v1.2.3