From 56231056ea784f1cec6450f649b1adaed1f56366 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Thu, 6 Sep 2007 16:27:37 +0000 Subject: strip the kernel version suffix from target directories, except for brcm-2.4 (the -2.4 will be included in the board name here). CONFIG_LINUX__ becomes CONFIG_TARGET_, same for profiles. SVN-Revision: 8653 --- .../files/drivers/mtd/maps/adm5120-flash.c | 574 --------------------- .../linux/adm5120-2.6/files/drivers/mtd/myloader.c | 178 ------- .../files/drivers/mtd/nand/rbmipsnand.c | 207 -------- 3 files changed, 959 deletions(-) delete mode 100644 target/linux/adm5120-2.6/files/drivers/mtd/maps/adm5120-flash.c delete mode 100644 target/linux/adm5120-2.6/files/drivers/mtd/myloader.c delete mode 100644 target/linux/adm5120-2.6/files/drivers/mtd/nand/rbmipsnand.c (limited to 'target/linux/adm5120-2.6/files/drivers/mtd') diff --git a/target/linux/adm5120-2.6/files/drivers/mtd/maps/adm5120-flash.c b/target/linux/adm5120-2.6/files/drivers/mtd/maps/adm5120-flash.c deleted file mode 100644 index 0a2590e..0000000 --- a/target/linux/adm5120-2.6/files/drivers/mtd/maps/adm5120-flash.c +++ /dev/null @@ -1,574 +0,0 @@ -/* - * $Id$ - * - * Platform driver for NOR flash devices on ADM5120 based boards - * - * Copyright (C) 2007 OpenWrt.org - * Copyright (C) 2007 Gabor Juhos - * - * This file was derived from: drivers/mtd/map/physmap.c - * Copyright (C) 2003 MontaVista Software Inc. - * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net - * - * 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 Street, Fifth Floor, - * Boston, MA 02110-1301, USA. - * - */ - -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -#include - -#include -#include -#include -#include - -#define DRV_NAME "adm5120-flash" -#define DRV_DESC "ADM5120 flash MAP driver" -#define MAX_PARSED_PARTS 8 - -#ifdef ADM5120_FLASH_DEBUG -#define MAP_DBG(m, f, a...) printk(KERN_INFO "%s: " f, (m->name) , ## a) -#else -#define MAP_DBG(m, f, a...) do {} while (0) -#endif -#define MAP_ERR(m, f, a...) printk(KERN_ERR "%s: " f, (m->name) , ## a) -#define MAP_INFO(m, f, a...) printk(KERN_INFO "%s: " f, (m->name) , ## a) - -struct adm5120_map_info { - struct map_info map; - void (*switch_bank)(unsigned); - unsigned long window_size; -}; - -struct adm5120_flash_info { - struct mtd_info *mtd; - struct resource *res; - struct platform_device *dev; - struct adm5120_map_info amap; -#ifdef CONFIG_MTD_PARTITIONS - int nr_parts; - struct mtd_partition *parts[MAX_PARSED_PARTS]; -#endif -}; - -struct flash_desc { - u32 phys; - u32 srs_shift; - u32 mpmc_reg; -}; - -/* - * Globals - */ -static DEFINE_SPINLOCK(adm5120_flash_spin); -#define FLASH_LOCK() spin_lock(&adm5120_flash_spin) -#define FLASH_UNLOCK() spin_unlock(&adm5120_flash_spin) - -static u32 flash_bankwidths[4] = { 1, 2, 4, 0 }; - -static u32 flash_sizes[8] = { - 0, 512*1024, 1024*1024, 2*1024*1024, - 4*1024*1024, 0, 0, 0 -}; - -static struct flash_desc flash_descs[2] = { - { - .phys = ADM5120_SRAM0_BASE, - .mpmc_reg = MPMC_REG_SC1, - .srs_shift = MEMCTRL_SRS0_SHIFT, - }, { - .phys = ADM5120_SRAM1_BASE, - .mpmc_reg = MPMC_REG_SC0, - .srs_shift = MEMCTRL_SRS1_SHIFT, - } -}; - -static const char *probe_types[] = { - "cfi_probe", - "jedec_probe", - "map_rom", - NULL -}; - -#ifdef CONFIG_MTD_PARTITIONS -static const char *parse_types[] = { - "cmdlinepart", -#ifdef CONFIG_MTD_REDBOOT_PARTS - "RedBoot", -#endif -#ifdef CONFIG_MTD_MYLOADER_PARTS - "MyLoader", -#endif -}; -#endif - -#define BANK_SIZE (2<<20) -#define BANK_SIZE_MAX (4<<20) -#define BANK_OFFS_MASK (BANK_SIZE-1) -#define BANK_START_MASK (~BANK_OFFS_MASK) - -static inline struct adm5120_map_info *map_to_amap(struct map_info *map) -{ - return (struct adm5120_map_info *)map; -} - -static void adm5120_flash_switchbank(struct map_info *map, - unsigned long ofs) -{ - struct adm5120_map_info *amap = map_to_amap(map); - unsigned bank; - - if (amap->switch_bank == NULL) - return; - - bank = (ofs & BANK_START_MASK) >> 21; - if (bank > 1) - BUG(); - - MAP_DBG(map, "switching to bank %u, ofs=%lX\n", bank, ofs); - amap->switch_bank(bank); -} - -static map_word adm5120_flash_read(struct map_info *map, unsigned long ofs) -{ - struct adm5120_map_info *amap = map_to_amap(map); - map_word ret; - - MAP_DBG(map, "reading from ofs %lX\n", ofs); - - if (ofs >= amap->window_size) - return map_word_ff(map); - - FLASH_LOCK(); - adm5120_flash_switchbank(map, ofs); - ret = inline_map_read(map, (ofs & (amap->window_size-1))); - FLASH_UNLOCK(); - - return ret; -} - -static void adm5120_flash_write(struct map_info *map, const map_word datum, - unsigned long ofs) -{ - struct adm5120_map_info *amap = map_to_amap(map); - - MAP_DBG(map,"writing to ofs %lX\n", ofs); - - if (ofs > amap->window_size) - return; - - FLASH_LOCK(); - adm5120_flash_switchbank(map, ofs); - inline_map_write(map, datum, (ofs & (amap->window_size-1))); - FLASH_UNLOCK(); -} - -static void adm5120_flash_copy_from(struct map_info *map, void *to, - unsigned long from, ssize_t len) -{ - struct adm5120_map_info *amap = map_to_amap(map); - char *p; - ssize_t t; - - MAP_DBG(map, "copy_from, to=%lX, from=%lX, len=%lX\n", - (unsigned long)to, from, (unsigned long)len); - - if (from > amap->window_size) - return; - - p = (char *)to; - while (len > 0) { - t = len; - if ((from < BANK_SIZE) && ((from+len) > BANK_SIZE)) - t = BANK_SIZE-from; - - FLASH_LOCK(); - MAP_DBG(map, "copying %lu byte(s) from %lX to %lX\n", - (unsigned long)t, (from & (amap->window_size-1)), - (unsigned long)p); - adm5120_flash_switchbank(map, from); - inline_map_copy_from(map, p, (from & (amap->window_size-1)), t); - FLASH_UNLOCK(); - p += t; - from += t; - len -= t; - } -} - -static int adm5120_flash_initres(struct adm5120_flash_info *info) -{ - struct map_info *map = &info->amap.map; - int err = 0; - - info->res = request_mem_region(map->phys, map->size, map->name); - if (info->res == NULL) { - MAP_ERR(map, "could not reserve memory region\n"); - err = -ENOMEM; - goto out; - } - - map->virt = ioremap_nocache(map->phys, map->size); - if (map->virt == NULL) { - MAP_ERR(map, "failed to ioremap flash region\n"); - err = -ENOMEM; - goto out; - } - -out: - return err; -} - -#define SWITCH_READ(r) *(u32 *)(KSEG1ADDR(ADM5120_SWITCH_BASE)+(r)) -#define SWITCH_WRITE(r,v) *(u32 *)(KSEG1ADDR(ADM5120_SWITCH_BASE)+(r))=(v) -#define MPMC_READ(r) *(u32 *)(KSEG1ADDR(ADM5120_MPMC_BASE)+(r)) -#define MPMC_WRITE(r,v) *(u32 *)(KSEG1ADDR(ADM5120_MPMC_BASE)+(r))=(v) - -static int adm5120_flash_initinfo(struct adm5120_flash_info *info, - struct platform_device *dev) -{ - struct map_info *map = &info->amap.map; - struct adm5120_flash_platform_data *pdata = dev->dev.platform_data; - struct flash_desc *fdesc; - u32 t; - - map->name = dev->dev.bus_id; - - if (dev->id > 1) { - MAP_ERR(map, "invalid flash id\n"); - goto err_out; - } - - fdesc = &flash_descs[dev->id]; - - /* get memory window size */ - t = SWITCH_READ(SWITCH_REG_MEMCTRL) >> fdesc->srs_shift; - t &= MEMCTRL_SRS_MASK; - info->amap.window_size = flash_sizes[t]; - if (info->amap.window_size == 0) { - MAP_ERR(map, "invalid flash size detected\n"); - goto err_out; - } - - /* get flash bus width */ - t = MPMC_READ(fdesc->mpmc_reg) & SC_MW_MASK; - map->bankwidth = flash_bankwidths[t]; - if (map->bankwidth == 0) { - MAP_ERR(map, "invalid bus width detected\n"); - goto err_out; - } - - map->phys = fdesc->phys; - map->size = BANK_SIZE_MAX; - - simple_map_init(map); - map->read = adm5120_flash_read; - map->write = adm5120_flash_write; - map->copy_from = adm5120_flash_copy_from; - - if (pdata) { - map->set_vpp = pdata->set_vpp; - info->amap.switch_bank = pdata->switch_bank; - } - - info->dev = dev; - - MAP_INFO(map, "probing at 0x%lX, size:%ldKiB, width:%d bits\n", - (unsigned long)map->phys, - (unsigned long)info->amap.window_size >> 10, - map->bankwidth*8); - - return 0; - -err_out: - return -ENODEV; -} - -static void adm5120_flash_initbanks(struct adm5120_flash_info *info) -{ - struct map_info *map = &info->amap.map; - - if (info->mtd->size <= BANK_SIZE) - /* no bank switching needed */ - return; - - if (info->amap.switch_bank) { - info->amap.window_size = info->mtd->size; - return; - } - - MAP_ERR(map, "reduce visibility from %ldKiB to %ldKiB\n", - (unsigned long)map->size >> 10, - (unsigned long)info->mtd->size >> 10); - - info->mtd->size = info->amap.window_size; -} - -#ifdef CONFIG_MTD_PARTITIONS -static int adm5120_flash_initparts(struct adm5120_flash_info *info) -{ - struct adm5120_flash_platform_data *pdata = info->dev->dev.platform_data; - struct map_info *map = &info->amap.map; - int num_parsers; - const char *parser[2]; - int err = 0; - int nr_parts; - int i; - - info->nr_parts = 0; - - if (pdata == NULL) - goto out; - - if (pdata->nr_parts) { - MAP_INFO(map, "adding static partitions\n"); - err = add_mtd_partitions(info->mtd, pdata->parts, - pdata->nr_parts); - if (err == 0) { - info->nr_parts += pdata->nr_parts; - goto out; - } - } - - num_parsers = ARRAY_SIZE(parse_types); - if (num_parsers > MAX_PARSED_PARTS) - num_parsers = MAX_PARSED_PARTS; - - parser[1] = NULL; - for (i=0; imtd, parser, - &info->parts[i], 0); - - if (nr_parts <= 0) - continue; - - MAP_INFO(map, "adding \"%s\" partitions\n", - parser[0]); - - err = add_mtd_partitions(info->mtd, info->parts[i], nr_parts); - if (err) - break; - - info->nr_parts += nr_parts; - } -out: - return err; -} -#else -static int adm5120_flash_initparts(struct adm5120_flash_info *info) -{ - return 0; -} -#endif /* CONFIG_MTD_PARTITIONS */ - -#ifdef CONFIG_MTD_PARTITIONS -static void adm5120_flash_remove_mtd(struct adm5120_flash_info *info) -{ - int i; - - if (info->nr_parts) { - del_mtd_partitions(info->mtd); - for (i=0; iparts[i] != NULL) - kfree(info->parts[i]); - } else { - del_mtd_device(info->mtd); - } -} -#else -static void adm5120_flash_remove_mtd(struct adm5120_flash_info *info) -{ - del_mtd_device(info->mtd); -} -#endif - -static int adm5120_flash_remove(struct platform_device *dev) -{ - struct adm5120_flash_info *info; - - info = platform_get_drvdata(dev); - if (info == NULL) - return 0; - - platform_set_drvdata(dev, NULL); - - if (info->mtd != NULL) { - adm5120_flash_remove_mtd(info); - map_destroy(info->mtd); - } - - if (info->amap.map.virt != NULL) - iounmap(info->amap.map.virt); - - if (info->res != NULL) { - release_resource(info->res); - kfree(info->res); - } - - return 0; -} - -static int adm5120_flash_probe(struct platform_device *dev) -{ - struct adm5120_flash_info *info; - struct map_info *map; - const char **probe_type; - int err; - - info = kzalloc(sizeof(*info), GFP_KERNEL); - if (info == NULL) { - err = -ENOMEM; - goto err_out; - } - - platform_set_drvdata(dev, info); - - err = adm5120_flash_initinfo(info, dev); - if (err) - goto err_out; - - err = adm5120_flash_initres(info); - if (err) - goto err_out; - - map = &info->amap.map; - for (probe_type = probe_types; info->mtd == NULL && *probe_type != NULL; - probe_type++) - info->mtd = do_map_probe(*probe_type, map); - - if (info->mtd == NULL) { - MAP_ERR(map, "map_probe failed\n"); - err = -ENXIO; - goto err_out; - } - - adm5120_flash_initbanks(info); - - if (info->mtd->size < info->amap.window_size) { - /* readjust resources */ - iounmap(map->virt); - release_resource(info->res); - kfree(info->res); - - info->amap.window_size = info->mtd->size; - map->size = info->mtd->size; - MAP_INFO(map, "reducing map size to %ldKiB\n", - (unsigned long)map->size >> 10); - err = adm5120_flash_initres(info); - if (err) - goto err_out; - } - - MAP_INFO(map, "found at 0x%lX, size:%ldKiB, width:%d bits\n", - (unsigned long)map->phys, (unsigned long)info->mtd->size >> 10, - map->bankwidth*8); - - info->mtd->owner = THIS_MODULE; - - err = adm5120_flash_initparts(info); - if (err) - goto err_out; - - if (info->nr_parts == 0) { - MAP_INFO(map, "no partitions available, registering whole flash\n"); - add_mtd_device(info->mtd); - } - - return 0; - -err_out: - adm5120_flash_remove(dev); - return err; -} - -#ifdef CONFIG_PM -static int adm5120_flash_suspend(struct platform_device *dev, pm_message_t state) -{ - struct adm5120_flash_info *info = platform_get_drvdata(dev); - int ret = 0; - - if (info) - ret = info->mtd->suspend(info->mtd); - - return ret; -} - -static int adm5120_flash_resume(struct platform_device *dev) -{ - struct adm5120_flash_info *info = platform_get_drvdata(dev); - - if (info) - info->mtd->resume(info->mtd); - - return 0; -} - -static void adm5120_flash_shutdown(struct platform_device *dev) -{ - struct adm5120_flash_info *info = platform_get_drvdata(dev); - - if (info && info->mtd->suspend(info->mtd) == 0) - info->mtd->resume(info->mtd); -} -#endif - -static struct platform_driver adm5120_flash_driver = { - .probe = adm5120_flash_probe, - .remove = adm5120_flash_remove, -#ifdef CONFIG_PM - .suspend = adm5120_flash_suspend, - .resume = adm5120_flash_resume, - .shutdown = adm5120_flash_shutdown, -#endif - .driver = { - .name = DRV_NAME, - }, -}; - -static int __init adm5120_flash_init(void) -{ - int err; - - err = platform_driver_register(&adm5120_flash_driver); - - return err; -} - -static void __exit adm5120_flash_exit(void) -{ - platform_driver_unregister(&adm5120_flash_driver); -} - -module_init(adm5120_flash_init); -module_exit(adm5120_flash_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Gabor Juhos "); -MODULE_DESCRIPTION(DRV_DESC); diff --git a/target/linux/adm5120-2.6/files/drivers/mtd/myloader.c b/target/linux/adm5120-2.6/files/drivers/mtd/myloader.c deleted file mode 100644 index ad207e5..0000000 --- a/target/linux/adm5120-2.6/files/drivers/mtd/myloader.c +++ /dev/null @@ -1,178 +0,0 @@ -/* - * $Id$ - * - * Parse MyLoader-style flash partition tables and produce a Linux partition - * array to match. - * - * Copyright (C) 2007 OpenWrt.org - * Copyright (C) 2007 Gabor Juhos - * - * This file was based on drivers/mtd/redboot.c - * Author: Red Hat, Inc. - David Woodhouse - * - * 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 Street, Fifth Floor, - * Boston, MA 02110-1301, USA. - */ - -#include -#include -#include -#include - -#include -#include - -#include - -#include - -#define NAME_LEN_MAX 20 -#define NAME_MYLOADER "MyLoader" -#define NAME_PARTITION_TABLE "Partition Table" -#define BLOCK_LEN_MIN 0x10000 - -int parse_myloader_partitions(struct mtd_info *master, - struct mtd_partition **pparts, - unsigned long origin) -{ - struct mylo_partition_table *tab; - struct mylo_partition *part; - struct mtd_partition *mtd_parts; - struct mtd_partition *mtd_part; - int num_parts; - int ret, i; - size_t retlen; - size_t parts_len; - char *names; - unsigned long offset; - unsigned long blocklen; - - tab = vmalloc(sizeof(*tab)); - if (!tab) { - return -ENOMEM; - goto out; - } - - blocklen = master->erasesize; - if (blocklen < BLOCK_LEN_MIN) - blocklen = BLOCK_LEN_MIN; - - /* Partition Table is always located on the second erase block */ - offset = blocklen; - printk(KERN_NOTICE "%s: searching for MyLoader partition table at " - "offset 0x%lx\n", master->name, offset); - - ret = master->read(master, offset, sizeof(*tab), &retlen, (void *)tab); - if (ret) - goto out; - - if (retlen != sizeof(*tab)) { - ret = -EIO; - goto out_free_buf; - } - - /* Check for Partition Table magic number */ - if (tab->magic != le32_to_cpu(MYLO_MAGIC_PARTITIONS)) { - printk(KERN_NOTICE "%s: no MyLoader partition table found\n", - master->name); - ret = 0; - goto out_free_buf; - } - - /* The MyLoader and the Partition Table is always present */ - num_parts = 2; - - /* Detect number of used partitions */ - for (i = 0; i < MYLO_MAX_PARTITIONS; i++) { - part = &tab->partitions[i]; - - if (le16_to_cpu(part->type) == PARTITION_TYPE_FREE) - continue; - - num_parts++; - } - - mtd_parts = kzalloc((num_parts*sizeof(*mtd_part) + num_parts*NAME_LEN_MAX), - GFP_KERNEL); - - if (!mtd_parts) { - ret = -ENOMEM; - goto out_free_buf; - } - - mtd_part = mtd_parts; - names = (char *)&mtd_parts[num_parts]; - - strncpy(names, NAME_MYLOADER, NAME_LEN_MAX-1); - mtd_part->name = names; - mtd_part->offset = 0; - mtd_part->size = blocklen; - mtd_part->mask_flags = MTD_WRITEABLE; - mtd_part++; - names += NAME_LEN_MAX; - - strncpy(names, NAME_PARTITION_TABLE, NAME_LEN_MAX-1); - mtd_part->name = names; - mtd_part->offset = blocklen; - mtd_part->size = blocklen; - mtd_part->mask_flags = MTD_WRITEABLE; - mtd_part++; - names += NAME_LEN_MAX; - - for (i = 0; i < MYLO_MAX_PARTITIONS; i++) { - part = &tab->partitions[i]; - - if (le16_to_cpu(part->type) == PARTITION_TYPE_FREE) - continue; - - sprintf(names, "partition%d", i); - mtd_part->offset = le32_to_cpu(part->addr); - mtd_part->size = le32_to_cpu(part->size); - mtd_part->name = names; - mtd_part++; - names += NAME_LEN_MAX; - } - - *pparts = mtd_parts; - ret = num_parts; - -out_free_buf: - vfree(tab); -out: - return ret; -} - -static struct mtd_part_parser mylo_mtd_parser = { - .owner = THIS_MODULE, - .parse_fn = parse_myloader_partitions, - .name = NAME_MYLOADER, -}; - -static int __init mylo_mtd_parser_init(void) -{ - return register_mtd_parser(&mylo_mtd_parser); -} - -static void __exit mylo_mtd_parser_exit(void) -{ - deregister_mtd_parser(&mylo_mtd_parser); -} - -module_init(mylo_mtd_parser_init); -module_exit(mylo_mtd_parser_exit); - -MODULE_AUTHOR("Gabor Juhos "); -MODULE_DESCRIPTION("Parsing code for MyLoader partition tables"); -MODULE_LICENSE("GPL"); diff --git a/target/linux/adm5120-2.6/files/drivers/mtd/nand/rbmipsnand.c b/target/linux/adm5120-2.6/files/drivers/mtd/nand/rbmipsnand.c deleted file mode 100644 index 2e7059d..0000000 --- a/target/linux/adm5120-2.6/files/drivers/mtd/nand/rbmipsnand.c +++ /dev/null @@ -1,207 +0,0 @@ -/*==============================================================================*/ -/* rbmipsnand.c */ -/* This module is derived from the 2.4 driver shipped by Microtik for their */ -/* Routerboard 1xx and 5xx series boards. It provides support for the built in */ -/* NAND flash on the Routerboard 1xx series boards for Linux 2.6.19+. */ -/* Licence: Original Microtik code seems not to have a licence. */ -/* Rewritten code all GPL V2. */ -/* Copyright(C) 2007 david.goodenough@linkchoose.co.uk (for rewriten code) */ -/*==============================================================================*/ - -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include - -#define SMEM1(x) (*((volatile unsigned char *) (KSEG1ADDR(ADM5120_SRAM1_BASE) + x))) - -#define NAND_RW_REG 0x0 //data register -#define NAND_SET_CEn 0x1 //CE# low -#define NAND_CLR_CEn 0x2 //CE# high -#define NAND_CLR_CLE 0x3 //CLE low -#define NAND_SET_CLE 0x4 //CLE high -#define NAND_CLR_ALE 0x5 //ALE low -#define NAND_SET_ALE 0x6 //ALE high -#define NAND_SET_SPn 0x7 //SP# low (use spare area) -#define NAND_CLR_SPn 0x8 //SP# high (do not use spare area) -#define NAND_SET_WPn 0x9 //WP# low -#define NAND_CLR_WPn 0xA //WP# high -#define NAND_STS_REG 0xB //Status register - -#define MEM32(x) *((volatile unsigned *) (x)) - -static struct mtd_partition partition_info[] = { - { - name: "RouterBoard NAND Boot", - offset: 0, - size: 4 * 1024 * 1024 - }, - { - name: "rootfs", - offset: MTDPART_OFS_NXTBLK, - size: MTDPART_SIZ_FULL - } -}; - -static struct nand_ecclayout rb_ecclayout = { - .eccbytes = 6, - .eccpos = { 8, 9, 10, 13, 14, 15 }, - .oobavail = 9, - .oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1} } -}; - -struct adm5120_nand_info { - struct nand_chip chip; - struct mtd_info mtd; - void __iomem *io_base; -#ifdef CONFIG_MTD_PARTITIONS - int nr_parts; - struct mtd_partition *parts; -#endif - unsigned int init_ok; -}; - -static int rb100_dev_ready(struct mtd_info *mtd) -{ - return SMEM1(NAND_STS_REG) & 0x80; -} - -static void rbmips_hwcontrol100(struct mtd_info *mtd, int cmd, unsigned int ctrl) -{ - struct nand_chip *chip = mtd->priv; - if (ctrl & NAND_CTRL_CHANGE) - { - SMEM1((( ctrl & NAND_CLE) ? NAND_SET_CLE : NAND_CLR_CLE)) = 0x01; - SMEM1((( ctrl & NAND_ALE) ? NAND_SET_ALE : NAND_CLR_ALE)) = 0x01; - SMEM1((( ctrl & NAND_NCE) ? NAND_SET_CEn : NAND_CLR_CEn)) = 0x01; - } - if (cmd != NAND_CMD_NONE) - writeb( cmd, chip->IO_ADDR_W); -} - -/*========================================================================*/ -/* We need to use the OLD Yaffs-1 OOB layout, otherwise the RB bootloader */ -/* will not be able to find the kernel that we load. So set the oobinfo */ -/* when creating the partitions. */ -/*========================================================================*/ - - -unsigned get_rbnand_block_size(struct adm5120_nand_info *data) -{ - return data->init_ok ? data->mtd.writesize : 0; -} - -EXPORT_SYMBOL(get_rbnand_block_size); - -static int rbmips_probe(struct platform_device *pdev) -{ - struct adm5120_nand_info *data; - int res = 0; - - /* Allocate memory for the nand_chip structure */ - data = kzalloc(sizeof(*data), GFP_KERNEL); - if (!data) { - dev_err(&pdev->dev, "Failed to allocate device structure\n"); - return -ENOMEM; - - } - - data->io_base = ioremap(pdev->resource[0].start, pdev->resource[0].end - pdev->resource[0].start + 1); - - if (data->io_base == NULL) { - dev_err(&pdev->dev, "ioremap failed\n"); - kfree(data); - return -EIO; - } - - MEM32(0xB2000064) = 0x100; - MEM32(0xB2000008) = 0x1; - SMEM1(NAND_SET_SPn) = 0x01; - SMEM1(NAND_CLR_WPn) = 0x01; - - data->chip.priv = &data; - data->mtd.priv = &data->chip; - data->mtd.owner = THIS_MODULE; - - data->init_ok = 0; - data->chip.IO_ADDR_R = (unsigned char *)KSEG1ADDR(ADM5120_SRAM1_BASE); - data->chip.IO_ADDR_W = data->chip.IO_ADDR_R; - data->chip.cmd_ctrl = rbmips_hwcontrol100; - data->chip.dev_ready = rb100_dev_ready; - data->chip.ecc.mode = NAND_ECC_SOFT; - data->chip.ecc.layout = &rb_ecclayout; - data->chip.chip_delay = 25; - data->chip.options |= NAND_NO_AUTOINCR; - - platform_set_drvdata(pdev, data); - - /* Why do we need to scan 4 times ? */ - if (nand_scan(&data->mtd, 1) && nand_scan(&data->mtd, 1) && nand_scan(&data->mtd, 1) && nand_scan(&data->mtd, 1)) { - printk(KERN_INFO "RB1xxx nand device not found\n"); - res = -ENXIO; - goto out; - } - - add_mtd_partitions(&data->mtd, partition_info, 2); - data->init_ok = 1; - - res = add_mtd_device(&data->mtd); - if (!res) - return res; - - nand_release(&data->mtd); -out: - platform_set_drvdata(pdev, NULL); - iounmap(data->io_base); - kfree(data); - return res; -} - -static int __devexit rbmips_remove(struct platform_device *pdev) -{ - struct adm5120_nand_info *data = platform_get_drvdata(pdev); - - nand_release(&data->mtd); - iounmap(data->io_base); - kfree(data); - - return 0; -} - -static struct platform_driver adm5120_nand_driver = { - .probe = rbmips_probe, - .remove = rbmips_remove, - .driver = { - .name = "adm5120-nand", - .owner = THIS_MODULE, - }, -}; - -static int __init adm5120_nand_init(void) -{ - int err; - err = platform_driver_register(&adm5120_nand_driver); - return err; -} - -static void __exit adm5120_nand_exit(void) -{ - platform_driver_unregister(&adm5120_nand_driver); -} - -module_init(adm5120_nand_init); -module_exit(adm5120_nand_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("David Goodenough, Florian Fainelli"); -MODULE_DESCRIPTION("RouterBOARD 100 NAND driver"); - -- cgit v1.1