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path: root/target/linux/brcm47xx/patches-3.6/053-mtd-add-nand-flash-driver.patch
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Diffstat (limited to 'target/linux/brcm47xx/patches-3.6/053-mtd-add-nand-flash-driver.patch')
-rw-r--r--target/linux/brcm47xx/patches-3.6/053-mtd-add-nand-flash-driver.patch710
1 files changed, 0 insertions, 710 deletions
diff --git a/target/linux/brcm47xx/patches-3.6/053-mtd-add-nand-flash-driver.patch b/target/linux/brcm47xx/patches-3.6/053-mtd-add-nand-flash-driver.patch
deleted file mode 100644
index d37edfdffb..0000000000
--- a/target/linux/brcm47xx/patches-3.6/053-mtd-add-nand-flash-driver.patch
+++ /dev/null
@@ -1,710 +0,0 @@
---- a/drivers/mtd/nand/Kconfig
-+++ b/drivers/mtd/nand/Kconfig
-@@ -607,4 +607,12 @@ config MTD_NAND_FSMC
- Enables support for NAND Flash chips on the ST Microelectronics
- Flexible Static Memory Controller (FSMC)
-
-+config MTD_NAND_BCM47XX
-+ tristate "bcm47xx nand flash support"
-+ default y
-+ depends on BCM47XX && BCMA_NFLASH
-+ select MTD_PARTITIONS
-+ help
-+ Support for bcm47xx nand flash
-+
- endif # MTD_NAND
---- a/drivers/mtd/nand/Makefile
-+++ b/drivers/mtd/nand/Makefile
-@@ -51,5 +51,6 @@ obj-$(CONFIG_MTD_NAND_MPC5121_NFC) += mp
- obj-$(CONFIG_MTD_NAND_RICOH) += r852.o
- obj-$(CONFIG_MTD_NAND_JZ4740) += jz4740_nand.o
- obj-$(CONFIG_MTD_NAND_GPMI_NAND) += gpmi-nand/
-+obj-$(CONFIG_MTD_NAND_BCM47XX) += bcm47xx_nand.o
-
- nand-objs := nand_base.o nand_bbt.o
---- /dev/null
-+++ b/drivers/mtd/nand/bcm47xx_nand.c
-@@ -0,0 +1,528 @@
-+/*
-+ * BCMA nand flash interface
-+ *
-+ * Copyright (C) 2011-2012 Tathagata Das <tathagata@alumnux.com>
-+ * Copyright 2010, Broadcom Corporation
-+ *
-+ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
-+ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
-+ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
-+ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
-+ *
-+ */
-+
-+#define pr_fmt(fmt) "bcm47xx_nflash: " fmt
-+#include <linux/module.h>
-+#include <linux/slab.h>
-+#include <linux/ioport.h>
-+#include <linux/sched.h>
-+#include <linux/mtd/mtd.h>
-+#include <linux/mtd/map.h>
-+#include <linux/mtd/partitions.h>
-+#include <linux/errno.h>
-+#include <linux/delay.h>
-+#include <linux/platform_device.h>
-+#include <bcm47xx.h>
-+#include <linux/cramfs_fs.h>
-+#include <linux/romfs_fs.h>
-+#include <linux/magic.h>
-+#include <linux/byteorder/generic.h>
-+#include <linux/mtd/bcm47xx_nand.h>
-+#include <linux/mtd/nand.h>
-+
-+static int bcm47xx_nflash_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip);
-+static int bcm47xx_nflash_erase(struct mtd_info *mtd, unsigned int addr, unsigned int len);
-+
-+/* Private Global variable */
-+static u32 read_offset = 0;
-+static u32 write_offset;
-+
-+static int
-+nflash_mtd_poll(struct bcm47xx_nflash *nflash, unsigned int offset, int timeout)
-+{
-+ unsigned long now = jiffies;
-+ int ret = 0;
-+
-+ for (;;) {
-+ if (!bcma_nflash_poll(nflash->bcc)) {
-+ ret = 0;
-+ break;
-+ }
-+ if (time_after(jiffies, now + timeout)) {
-+ pr_err("timeout while polling\n");
-+ ret = -ETIMEDOUT;
-+ break;
-+ }
-+ udelay(1);
-+ }
-+
-+ return ret;
-+}
-+
-+static int
-+bcm47xx_nflash_read(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf)
-+{
-+ struct nand_chip *nchip = (struct nand_chip *)mtd->priv;
-+ struct bcm47xx_nflash *nflash = (struct bcm47xx_nflash *)nchip->priv;
-+ int bytes, ret = 0;
-+ u32 extra = 0;
-+ u8 *tmpbuf = NULL;
-+ int size;
-+ u32 offset, blocksize, mask, off;
-+ u32 skip_bytes = 0;
-+ int need_copy = 0;
-+ u8 *ptr = NULL;
-+
-+ /* Check address range */
-+ if (!len)
-+ return 0;
-+ if ((from + len) > mtd->size)
-+ return -EINVAL;
-+ offset = from;
-+ if ((offset & (NFL_SECTOR_SIZE - 1)) != 0) {
-+ extra = offset & (NFL_SECTOR_SIZE - 1);
-+ offset -= extra;
-+ len += extra;
-+ need_copy = 1;
-+ }
-+ size = (len + (NFL_SECTOR_SIZE - 1)) & ~(NFL_SECTOR_SIZE - 1);
-+ if (size != len) {
-+ need_copy = 1;
-+ }
-+ if (!need_copy) {
-+ ptr = buf;
-+ } else {
-+ tmpbuf = (u8 *)kmalloc(size, GFP_KERNEL);
-+ ptr = tmpbuf;
-+ }
-+
-+ blocksize = mtd->erasesize;
-+ mask = blocksize - 1;
-+ *retlen = 0;
-+ while (len > 0) {
-+ off = offset + skip_bytes;
-+ if ((bytes = bcma_nflash_read(nflash->bcc, off, NFL_SECTOR_SIZE, ptr)) < 0) {
-+ ret = bytes;
-+ goto done;
-+ }
-+ if (bytes > len)
-+ bytes = len;
-+ offset += bytes;
-+ len -= bytes;
-+ ptr += bytes;
-+ *retlen += bytes;
-+ }
-+
-+done:
-+ if (tmpbuf) {
-+ *retlen -= extra;
-+ memcpy(buf, tmpbuf+extra, *retlen);
-+ kfree(tmpbuf);
-+ }
-+
-+ return ret;
-+}
-+
-+static void bcm47xx_nflash_write(struct mtd_info *mtd, u32 to, const u_char *buf, u32 len)
-+{
-+ struct nand_chip *nchip = (struct nand_chip *)mtd->priv;
-+ struct bcm47xx_nflash *nflash = (struct bcm47xx_nflash *)nchip->priv;
-+ u32 offset, blocksize, mask, off;
-+ int read_len;
-+ u32 copy_len, write_len, from;
-+ u_char *write_ptr, *block;
-+ const u_char *ptr;
-+ int ret, bytes;
-+
-+ /* Check address range */
-+ if (!len) {
-+ pr_err("Error: Attempted to write too small data\n");
-+ return;
-+ }
-+
-+ if (!to)
-+ return;
-+
-+ if ((to + len) > mtd->size) {
-+ pr_err("Error: Attempted to write too large data\n");
-+ return;
-+ }
-+
-+ ptr = buf;
-+ block = NULL;
-+ offset = to;
-+ blocksize = mtd->erasesize;
-+ if (!(block = kmalloc(blocksize, GFP_KERNEL)))
-+ return;
-+ mask = blocksize - 1;
-+ while (len) {
-+ /* Align offset */
-+ from = offset & ~mask;
-+ /* Copy existing data into holding block if necessary */
-+ if (((offset & (blocksize-1)) != 0) || (len < blocksize)) {
-+ if ((ret = bcm47xx_nflash_read(mtd, from, blocksize, &read_len, block)))
-+ goto done;
-+ if (read_len != blocksize) {
-+ ret = -EINVAL;
-+ goto done;
-+ }
-+ }
-+
-+ /* Copy input data into holding block */
-+ copy_len = min(len, blocksize - (offset & mask));
-+ memcpy(block + (offset & mask), ptr, copy_len);
-+ off = (uint) from;
-+ /* Erase block */
-+ if ((ret = bcm47xx_nflash_erase(mtd, off, blocksize)) < 0)
-+ goto done;
-+ /* Write holding block */
-+ write_ptr = block;
-+ write_len = blocksize;
-+ if ((bytes = bcma_nflash_write(nflash->bcc, (uint)from, (uint)write_len, (u8 *) write_ptr)) != 0) {
-+ ret = bytes;
-+ goto done;
-+ }
-+ offset += copy_len;
-+ if (len < copy_len)
-+ len = 0;
-+ else
-+ len -= copy_len;
-+ ptr += copy_len;
-+ }
-+
-+done:
-+ if (block)
-+ kfree(block);
-+ return;
-+}
-+
-+static int bcm47xx_nflash_erase(struct mtd_info *mtd, unsigned int addr, unsigned int len)
-+{
-+ struct nand_chip *nchip = (struct nand_chip *)mtd->priv;
-+ struct bcm47xx_nflash *nflash = (struct bcm47xx_nflash *)nchip->priv;
-+
-+ /* Check address range */
-+ if (!len)
-+ return 1;
-+ if ((addr + len) > mtd->size)
-+ return 1;
-+
-+ if (bcma_nflash_erase(nflash->bcc, addr)) {
-+ pr_err("ERASE: nflash erase error\n");
-+ return 1;
-+ }
-+
-+ if (nflash_mtd_poll(nflash, addr, 10 * HZ)) {
-+ pr_err("ERASE: nflash_mtd_poll error\n");
-+ return 1;
-+ }
-+
-+ return 0;
-+}
-+
-+/* This functions is used by upper layer to checks if device is ready */
-+static int bcm47xx_nflash_dev_ready(struct mtd_info *mtd)
-+{
-+ return 1;
-+}
-+
-+/* Issue a nand flash command */
-+static inline void bcm47xx_nflash_cmd(struct bcma_drv_cc *cc, u32 opcode)
-+{
-+ bcma_cc_write32(cc, NAND_CMD_START, opcode);
-+ bcma_cc_read32(cc, NAND_CMD_START);
-+}
-+
-+static void bcm47xx_nflash_command(struct mtd_info *mtd, unsigned command,
-+ int column, int page_addr)
-+{
-+ struct nand_chip *nchip = (struct nand_chip *)mtd->priv;
-+ struct bcm47xx_nflash *nflash = (struct bcm47xx_nflash *)nchip->priv;
-+ u32 pagesize = 1 << nchip->page_shift;
-+
-+ /* Command pre-processing step */
-+ switch (command) {
-+ case NAND_CMD_RESET:
-+ bcm47xx_nflash_cmd(nflash->bcc, NCMD_FLASH_RESET);
-+ break;
-+
-+ case NAND_CMD_STATUS:
-+ nflash->next_opcode = NAND_CMD_STATUS;
-+ read_offset = 0;
-+ write_offset = 0;
-+ break;
-+
-+ case NAND_CMD_READ0:
-+ read_offset = page_addr * pagesize;
-+ nflash->next_opcode = 0;
-+ break;
-+
-+ case NAND_CMD_READOOB:
-+ read_offset = page_addr * pagesize;
-+ nflash->next_opcode = 0;
-+ break;
-+
-+ case NAND_CMD_SEQIN:
-+ write_offset = page_addr * pagesize;
-+ nflash->next_opcode = 0;
-+ break;
-+
-+ case NAND_CMD_PAGEPROG:
-+ nflash->next_opcode = 0;
-+ break;
-+
-+ case NAND_CMD_READID:
-+ read_offset = column;
-+ bcm47xx_nflash_cmd(nflash->bcc, NCMD_ID_RD);
-+ nflash->next_opcode = NAND_DEVID;
-+ break;
-+
-+ case NAND_CMD_ERASE1:
-+ nflash->next_opcode = 0;
-+ bcm47xx_nflash_erase(mtd, page_addr*pagesize, pagesize);
-+ break;
-+
-+ case NAND_CMD_ERASE2:
-+ break;
-+
-+ case NAND_CMD_RNDOUT:
-+ if (column > mtd->writesize)
-+ read_offset += (column - mtd->writesize);
-+ else
-+ read_offset += column;
-+ break;
-+
-+ default:
-+ pr_err("COMMAND not supported %x\n", command);
-+ nflash->next_opcode = 0;
-+ break;
-+ }
-+}
-+
-+/* This function is used by upper layer for select and
-+ * deselect of the NAND chip.
-+ * It is dummy function. */
-+static void bcm47xx_nflash_select_chip(struct mtd_info *mtd, int chip)
-+{
-+}
-+
-+static u_char bcm47xx_nflash_read_byte(struct mtd_info *mtd)
-+{
-+ struct nand_chip *nchip = mtd->priv;
-+ struct bcm47xx_nflash *nflash = (struct bcm47xx_nflash *)nchip->priv;
-+ uint8_t ret = 0;
-+ static u32 id;
-+
-+ if (nflash->next_opcode == 0)
-+ return ret;
-+
-+ if (nflash->next_opcode == NAND_CMD_STATUS)
-+ return NAND_STATUS_WP;
-+
-+ id = bcma_cc_read32(nflash->bcc, nflash->next_opcode);
-+
-+ if (nflash->next_opcode == NAND_DEVID) {
-+ ret = (id >> (8*read_offset)) & 0xff;
-+ read_offset++;
-+ }
-+
-+ return ret;
-+}
-+
-+static uint16_t bcm47xx_nflash_read_word(struct mtd_info *mtd)
-+{
-+ loff_t from = read_offset;
-+ uint16_t buf = 0;
-+ int bytes;
-+
-+ bcm47xx_nflash_read(mtd, from, sizeof(buf), &bytes, (u_char *)&buf);
-+ return buf;
-+}
-+
-+/* Write data of length len to buffer buf. The data to be
-+ * written on NAND Flash is first copied to RAMbuffer. After the Data Input
-+ * Operation by the NFC, the data is written to NAND Flash */
-+static void bcm47xx_nflash_write_buf(struct mtd_info *mtd,
-+ const u_char *buf, int len)
-+{
-+ bcm47xx_nflash_write(mtd, write_offset, buf, len);
-+}
-+
-+/* Read the data buffer from the NAND Flash. To read the data from NAND
-+ * Flash first the data output cycle is initiated by the NFC, which copies
-+ * the data to RAMbuffer. This data of length len is then copied to buffer buf.
-+ */
-+static void bcm47xx_nflash_read_buf(struct mtd_info *mtd, u_char *buf, int len)
-+{
-+ loff_t from = read_offset;
-+ int bytes;
-+
-+ bcm47xx_nflash_read(mtd, from, len, &bytes, buf);
-+}
-+
-+/* Used by the upper layer to verify the data in NAND Flash
-+ * with the data in the buf. */
-+static int bcm47xx_nflash_verify_buf(struct mtd_info *mtd,
-+ const u_char *buf, int len)
-+{
-+ return -EFAULT;
-+}
-+
-+static int bcm47xx_nflash_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip)
-+{
-+ struct nand_chip *nchip = mtd->priv;
-+ struct bcm47xx_nflash *nflash = (struct bcm47xx_nflash *)nchip->priv;
-+ int i;
-+ uint off;
-+ u32 pagesize = 1 << nchip->page_shift;
-+ u32 blocksize = mtd->erasesize;
-+
-+ if ((ofs >> 20) >= nflash->size)
-+ return 1;
-+ if ((ofs & (blocksize - 1)) != 0)
-+ return 1;
-+
-+ for (i = 0; i < 2; i++) {
-+ off = ofs + pagesize;
-+ bcma_cc_write32(nflash->bcc, NAND_CMD_ADDR, off);
-+ bcm47xx_nflash_cmd(nflash->bcc, NCMD_SPARE_RD);
-+ if (bcma_nflash_poll(nflash->bcc) < 0)
-+ break;
-+ if ((bcma_cc_read32(nflash->bcc, NAND_INTFC_STATUS) & NIST_SPARE_VALID) != NIST_SPARE_VALID)
-+ return 1;
-+ if ((bcma_cc_read32(nflash->bcc, NAND_SPARE_RD0) & 0xff) != 0xff)
-+ return 1;
-+ }
-+ return 0;
-+}
-+
-+const char *part_probes[] = { "cmdlinepart", NULL };
-+static int bcm47xx_nflash_probe(struct platform_device *pdev)
-+{
-+ struct nand_chip *nchip;
-+ struct mtd_info *mtd;
-+ struct bcm47xx_nflash *nflash = dev_get_platdata(&pdev->dev);
-+ int ret = 0;
-+
-+ mtd = kzalloc(sizeof(struct mtd_info), GFP_KERNEL);
-+ if (!mtd){
-+ ret = -ENOMEM;
-+ goto err_out;
-+ }
-+
-+ nchip = kzalloc(sizeof(struct nand_chip), GFP_KERNEL);
-+ if (!nchip) {
-+ ret = -ENOMEM;
-+ goto err_free_mtd;
-+ }
-+
-+ /* Register with MTD */
-+ mtd->priv = nchip;
-+ mtd->owner = THIS_MODULE;
-+ mtd->dev.parent = &pdev->dev;
-+
-+ /* 50 us command delay time */
-+ nchip->chip_delay = 50;
-+
-+ nchip->priv = nflash;
-+ nchip->dev_ready = bcm47xx_nflash_dev_ready;
-+ nchip->cmdfunc = bcm47xx_nflash_command;
-+ nchip->select_chip = bcm47xx_nflash_select_chip;
-+ nchip->read_byte = bcm47xx_nflash_read_byte;
-+ nchip->read_word = bcm47xx_nflash_read_word;
-+ nchip->write_buf = bcm47xx_nflash_write_buf;
-+ nchip->read_buf = bcm47xx_nflash_read_buf;
-+ nchip->verify_buf = bcm47xx_nflash_verify_buf;
-+ nchip->block_bad = bcm47xx_nflash_block_bad;
-+ nchip->options = NAND_SKIP_BBTSCAN;
-+
-+ /* Not known */
-+ nchip->ecc.mode = NAND_ECC_NONE;
-+
-+ /* first scan to find the device and get the page size */
-+ if (nand_scan_ident(mtd, 1, NULL)) {
-+ pr_err("nand_scan_ident failed\n");
-+ ret = -ENXIO;
-+ goto err_free_nchip;
-+ }
-+ nflash->size = mtd->size;
-+ nflash->pagesize = 1 << nchip->page_shift;
-+ nflash->blocksize = mtd->erasesize;
-+ nflash->mtd = mtd;
-+
-+ /* second phase scan */
-+ if (nand_scan_tail(mtd)) {
-+ pr_err("nand_scan_tail failed\n");
-+ ret = -ENXIO;
-+ goto err_free_nchip;
-+ }
-+
-+ mtd->name = "bcm47xx-nflash";
-+ mtd->flags |= MTD_WRITEABLE;
-+ ret = mtd_device_parse_register(mtd, part_probes, NULL, NULL, 0);
-+
-+ if (ret) {
-+ pr_err("mtd_device_register failed\n");
-+ goto err_free_nchip;
-+ }
-+
-+ return 0;
-+
-+err_free_nchip:
-+ kfree(nchip);
-+err_free_mtd:
-+ kfree(mtd);
-+err_out:
-+ return ret;
-+}
-+
-+static int __devexit bcm47xx_nflash_remove(struct platform_device *pdev)
-+{
-+ struct bcm47xx_nflash *nflash = dev_get_platdata(&pdev->dev);
-+ struct mtd_info *mtd = nflash->mtd;
-+
-+ if (nflash) {
-+ /* Release resources, unregister device */
-+ nand_release(mtd);
-+ kfree(mtd->priv);
-+ kfree(mtd);
-+ }
-+
-+ return 0;
-+}
-+
-+static const struct platform_device_id bcm47xx_nflash_table[] = {
-+ { "bcm47xx-nflash", 0 },
-+ { }
-+};
-+MODULE_DEVICE_TABLE(platform, bcm47xx_nflash_table);
-+
-+static struct platform_driver bcm47xx_nflash_driver = {
-+ .id_table = bcm47xx_nflash_table,
-+ .probe = bcm47xx_nflash_probe,
-+ .remove = __devexit_p(bcm47xx_nflash_remove),
-+ .driver = {
-+ .name = "bcm47xx-nflash",
-+ .owner = THIS_MODULE,
-+ },
-+};
-+
-+static int __init init_bcm47xx_nflash(void)
-+{
-+ int ret = platform_driver_register(&bcm47xx_nflash_driver);
-+
-+ if (ret)
-+ pr_err("error registering platform driver: %i\n", ret);
-+ return ret;
-+}
-+
-+static void __exit exit_bcm47xx_nflash(void)
-+{
-+ platform_driver_unregister(&bcm47xx_nflash_driver);
-+}
-+
-+module_init(init_bcm47xx_nflash);
-+module_exit(exit_bcm47xx_nflash);
-+
-+MODULE_LICENSE("GPL");
-+MODULE_DESCRIPTION("BCM47XX NAND flash driver");
---- /dev/null
-+++ b/include/linux/mtd/bcm47xx_nand.h
-@@ -0,0 +1,152 @@
-+/*
-+ * Broadcom chipcommon NAND flash interface
-+ *
-+ * Copyright (C) 2011-2012 Tathagata Das <tathagata@alumnux.com>
-+ * Copyright (C) 2009, Broadcom Corporation
-+ * All Rights Reserved.
-+ *
-+ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
-+ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
-+ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
-+ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
-+ *
-+ */
-+
-+#ifndef LINUX_MTD_BCM47XX_NAND_H_
-+#define LINUX_MTD_BCM47XX_NAND_H_
-+
-+#include <linux/mtd/mtd.h>
-+
-+#define NAND_FLASH1 0x1fc00000 /* MIPS Flash Region 1 */
-+
-+/* nand_cmd_start commands */
-+#define NCMD_NULL 0
-+#define NCMD_PAGE_RD 1
-+#define NCMD_SPARE_RD 2
-+#define NCMD_STATUS_RD 3
-+#define NCMD_PAGE_PROG 4
-+#define NCMD_SPARE_PROG 5
-+#define NCMD_COPY_BACK 6
-+#define NCMD_ID_RD 7
-+#define NCMD_BLOCK_ERASE 8
-+#define NCMD_FLASH_RESET 9
-+#define NCMD_LOCK 0xa
-+#define NCMD_LOCK_DOWN 0xb
-+#define NCMD_UNLOCK 0xc
-+#define NCMD_LOCK_STATUS 0xd
-+
-+/* nand_acc_control */
-+#define NAC_RD_ECC_EN 0x80000000
-+#define NAC_WR_ECC_EN 0x40000000
-+#define NAC_RD_ECC_BLK0_EN 0x20000000
-+#define NAC_FAST_PGM_RDIN 0x10000000
-+#define NAC_RD_ERASED_ECC_EN 0x08000000
-+#define NAC_PARTIAL_PAGE_EN 0x04000000
-+#define NAC_PAGE_HIT_EN 0x01000000
-+#define NAC_ECC_LEVEL0 0x00f00000
-+#define NAC_ECC_LEVEL 0x000f0000
-+#define NAC_SPARE_SIZE0 0x00003f00
-+#define NAC_SPARE_SIZE 0x0000003f
-+
-+/* nand_config */
-+#define NCF_CONFIG_LOCK 0x80000000
-+#define NCF_BLOCK_SIZE_MASK 0x70000000
-+#define NCF_BLOCK_SIZE_SHIFT 28
-+#define NCF_DEVICE_SIZE_MASK 0x0f000000
-+#define NCF_DEVICE_SIZE_SHIFT 24
-+#define NCF_DEVICE_WIDTH 0x00800000
-+#define NCF_PAGE_SIZE_MASK 0x00300000
-+#define NCF_PAGE_SIZE_SHIFT 20
-+#define NCF_FULL_ADDR_BYTES_MASK 0x00070000
-+#define NCF_FULL_ADDR_BYTES_SHIFT 16
-+#define NCF_COL_ADDR_BYTES_MASK 0x00007000
-+#define NCF_COL_ADDR_BYTES_SHIFT 12
-+#define NCF_BLK_ADDR_BYTES_MASK 0x00000700
-+#define NCF_BLK_ADDR_BYTES_SHIFT 8
-+
-+/* nand_intfc_status */
-+#define NIST_CTRL_READY 0x80000000
-+#define NIST_FLASH_READY 0x40000000
-+#define NIST_CACHE_VALID 0x20000000
-+#define NIST_SPARE_VALID 0x10000000
-+#define NIST_ERASED 0x08000000
-+#define NIST_STATUS 0x000000ff
-+
-+#define NFL_SECTOR_SIZE 512
-+
-+#define NFL_TABLE_END 0xffffffff
-+#define NFL_BOOT_SIZE 0x200000
-+#define NFL_BOOT_OS_SIZE 0x2000000
-+
-+/* Nand flash MLC controller registers (corerev >= 38) */
-+#define NAND_REVISION 0xC00
-+#define NAND_CMD_START 0xC04
-+#define NAND_CMD_ADDR_X 0xC08
-+#define NAND_CMD_ADDR 0xC0C
-+#define NAND_CMD_END_ADDR 0xC10
-+#define NAND_CS_NAND_SELECT 0xC14
-+#define NAND_CS_NAND_XOR 0xC18
-+#define NAND_SPARE_RD0 0xC20
-+#define NAND_SPARE_RD4 0xC24
-+#define NAND_SPARE_RD8 0xC28
-+#define NAND_SPARE_RD12 0xC2C
-+#define NAND_SPARE_WR0 0xC30
-+#define NAND_SPARE_WR4 0xC34
-+#define NAND_SPARE_WR8 0xC38
-+#define NAND_SPARE_WR12 0xC3C
-+#define NAND_ACC_CONTROL 0xC40
-+#define NAND_CONFIG 0xC48
-+#define NAND_TIMING_1 0xC50
-+#define NAND_TIMING_2 0xC54
-+#define NAND_SEMAPHORE 0xC58
-+#define NAND_DEVID 0xC60
-+#define NAND_DEVID_X 0xC64
-+#define NAND_BLOCK_LOCK_STATUS 0xC68
-+#define NAND_INTFC_STATUS 0xC6C
-+#define NAND_ECC_CORR_ADDR_X 0xC70
-+#define NAND_ECC_CORR_ADDR 0xC74
-+#define NAND_ECC_UNC_ADDR_X 0xC78
-+#define NAND_ECC_UNC_ADDR 0xC7C
-+#define NAND_READ_ERROR_COUNT 0xC80
-+#define NAND_CORR_STAT_THRESHOLD 0xC84
-+#define NAND_READ_ADDR_X 0xC90
-+#define NAND_READ_ADDR 0xC94
-+#define NAND_PAGE_PROGRAM_ADDR_X 0xC98
-+#define NAND_PAGE_PROGRAM_ADDR 0xC9C
-+#define NAND_COPY_BACK_ADDR_X 0xCA0
-+#define NAND_COPY_BACK_ADDR 0xCA4
-+#define NAND_BLOCK_ERASE_ADDR_X 0xCA8
-+#define NAND_BLOCK_ERASE_ADDR 0xCAC
-+#define NAND_INV_READ_ADDR_X 0xCB0
-+#define NAND_INV_READ_ADDR 0xCB4
-+#define NAND_BLK_WR_PROTECT 0xCC0
-+#define NAND_ACC_CONTROL_CS1 0xCD0
-+#define NAND_CONFIG_CS1 0xCD4
-+#define NAND_TIMING_1_CS1 0xCD8
-+#define NAND_TIMING_2_CS1 0xCDC
-+#define NAND_SPARE_RD16 0xD30
-+#define NAND_SPARE_RD20 0xD34
-+#define NAND_SPARE_RD24 0xD38
-+#define NAND_SPARE_RD28 0xD3C
-+#define NAND_CACHE_ADDR 0xD40
-+#define NAND_CACHE_DATA 0xD44
-+#define NAND_CTRL_CONFIG 0xD48
-+#define NAND_CTRL_STATUS 0xD4C
-+
-+struct bcma_drv_cc;
-+
-+struct bcm47xx_nflash {
-+ struct bcma_drv_cc *bcc;
-+
-+ bool present;
-+ bool boot; /* This is the flash the SoC boots from */
-+ u32 blocksize; /* Block size */
-+ u32 pagesize; /* Page size */
-+
-+ u32 size; /* Total size in bytes */
-+ u32 next_opcode; /* Next expected command from upper NAND layer */
-+
-+ struct mtd_info *mtd;
-+};
-+
-+#endif /* LINUX_MTD_BCM47XX_NAND_H_ */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 15:29:51 +0000