From 57a3eb31a2a14cd25099c0e1e3569b2c75a9e38e Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Sat, 10 Jan 2015 18:08:53 +0000 Subject: adm5120: move files to files-3.8 In preparation for adding new kernel support Signed-off-by: Florian Fainelli git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43914 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../adm5120/files/drivers/mtd/maps/adm5120-flash.c | 482 --------------------- target/linux/adm5120/files/drivers/mtd/trxsplit.c | 216 --------- 2 files changed, 698 deletions(-) delete mode 100644 target/linux/adm5120/files/drivers/mtd/maps/adm5120-flash.c delete mode 100644 target/linux/adm5120/files/drivers/mtd/trxsplit.c (limited to 'target/linux/adm5120/files/drivers/mtd') diff --git a/target/linux/adm5120/files/drivers/mtd/maps/adm5120-flash.c b/target/linux/adm5120/files/drivers/mtd/maps/adm5120-flash.c deleted file mode 100644 index f6a86f4897..0000000000 --- a/target/linux/adm5120/files/drivers/mtd/maps/adm5120-flash.c +++ /dev/null @@ -1,482 +0,0 @@ -/* - * Platform driver for NOR flash devices on ADM5120 based boards - * - * Copyright (C) 2007-2008 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 version 2 as published - * by the Free Software Foundation. - * - */ - -#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; -}; - -struct flash_desc { - u32 phys; - u32 srs_shift; -}; - -/* - * 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, - .srs_shift = MEMCTRL_SRS0_SHIFT, - }, { - .phys = ADM5120_SRAM1_BASE, - .srs_shift = MEMCTRL_SRS1_SHIFT, - } -}; - -static const char const *probe_types[] = { - "cfi_probe", - "jedec_probe", - "map_rom", - NULL -}; - -static const char const *parse_types[] = { - "cmdlinepart", -#ifdef CONFIG_MTD_REDBOOT_PARTS - "RedBoot", -#endif -#ifdef CONFIG_MTD_MYLOADER_PARTS - "MyLoader", -#endif - NULL, -}; - -#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, info->amap.window_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, info->amap.window_size); - if (map->virt == NULL) { - MAP_ERR(map, "failed to ioremap flash region\n"); - err = -ENOMEM; - goto out; - } - -out: - return err; -} - -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 = 0; - - map->name = dev_name(&dev->dev); - - if (dev->id > 1) { - MAP_ERR(map, "invalid flash id\n"); - goto err_out; - } - - fdesc = &flash_descs[dev->id]; - - if (pdata) - info->amap.window_size = pdata->window_size; - - if (info->amap.window_size == 0) { - /* get memory window size */ - t = SW_READ_REG(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, "unable to determine window size\n"); - goto err_out; - } - - /* get flash bus width */ - switch (dev->id) { - case 0: - t = MPMC_READ_REG(SC1) & SC_MW_MASK; - break; - case 1: - t = MPMC_READ_REG(SC0) & SC_MW_MASK; - break; - } - 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; -} - -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) { - mtd_device_unregister(info->mtd); - 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_platform_data *pdata; - struct adm5120_flash_info *info; - struct map_info *map; - const char **probe_type; - int err; - - pdata = dev->dev.platform_data; - if (!pdata) { - dev_err(&dev->dev, "no platform data\n"); - return -EINVAL; - } - - 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 = mtd_device_parse_register(info->mtd, parse_types, 0, - pdata->parts, pdata->nr_parts); - if (err) - goto err_out; - - 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 v2"); -MODULE_AUTHOR("Gabor Juhos "); -MODULE_DESCRIPTION(DRV_DESC); diff --git a/target/linux/adm5120/files/drivers/mtd/trxsplit.c b/target/linux/adm5120/files/drivers/mtd/trxsplit.c deleted file mode 100644 index 76cbdc7494..0000000000 --- a/target/linux/adm5120/files/drivers/mtd/trxsplit.c +++ /dev/null @@ -1,216 +0,0 @@ -/* - * Copyright (C) Gabor Juhos - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - */ - -#include -#include -#include -#include -#include -#include -#include - -#include -#include - -#include - -#define PFX "trxsplit: " - -#define TRX_MAGIC 0x30524448 /* "HDR0" */ -#define TRX_VERSION 1 -#define TRX_MAX_LEN 0x3A0000 -#define TRX_NO_HEADER 0x1 /* do not write TRX header */ -#define TRX_GZ_FILES 0x2 /* contains individual gzip files */ -#define TRX_MAX_OFFSET 3 -#define TRX_MIN_KERNEL_SIZE (256 * 1024) - -struct trx_header { - u32 magic; /* "HDR0" */ - u32 len; /* Length of file including header */ - u32 crc32; /* 32-bit CRC from flag_version to end of file */ - u32 flag_version; /* 0:15 flags, 16:31 version */ - u32 offsets[TRX_MAX_OFFSET]; /* Offsets of partitions */ -}; - -#define TRX_ALIGN 0x1000 - -static int trx_nr_parts; -static unsigned long trx_offset; -static struct mtd_info *trx_mtd; -static struct mtd_partition trx_parts[TRX_MAX_OFFSET]; -static struct trx_header trx_hdr; - -static int trxsplit_refresh_partitions(struct mtd_info *mtd); - -static int trxsplit_checktrx(struct mtd_info *mtd, unsigned long offset) -{ - size_t retlen; - int err; - - err = mtd_read(mtd, offset, sizeof(trx_hdr), &retlen, (void *)&trx_hdr); - if (err) { - printk(KERN_ALERT PFX "unable to read from '%s'\n", mtd->name); - goto err_out; - } - - if (retlen != sizeof(trx_hdr)) { - printk(KERN_ALERT PFX "reading failed on '%s'\n", mtd->name); - goto err_out; - } - - trx_hdr.magic = le32_to_cpu(trx_hdr.magic); - trx_hdr.len = le32_to_cpu(trx_hdr.len); - trx_hdr.crc32 = le32_to_cpu(trx_hdr.crc32); - trx_hdr.flag_version = le32_to_cpu(trx_hdr.flag_version); - trx_hdr.offsets[0] = le32_to_cpu(trx_hdr.offsets[0]); - trx_hdr.offsets[1] = le32_to_cpu(trx_hdr.offsets[1]); - trx_hdr.offsets[2] = le32_to_cpu(trx_hdr.offsets[2]); - - /* sanity checks */ - if (trx_hdr.magic != TRX_MAGIC) - goto err_out; - - if (trx_hdr.len > mtd->size - offset) - goto err_out; - - /* TODO: add crc32 checking too? */ - - return 0; - -err_out: - return -1; -} - -static void trxsplit_findtrx(struct mtd_info *mtd) -{ - unsigned long offset; - int err; - - printk(KERN_INFO PFX "searching TRX header in '%s'\n", mtd->name); - - err = 0; - for (offset = 0; offset < mtd->size; offset += TRX_ALIGN) { - err = trxsplit_checktrx(mtd, offset); - if (err == 0) - break; - } - - if (err) - return; - - printk(KERN_INFO PFX "TRX header found at 0x%lX\n", offset); - - trx_mtd = mtd; - trx_offset = offset; -} - -static void trxsplit_create_partitions(struct mtd_info *mtd) -{ - struct mtd_partition *part = trx_parts; - int err; - int i; - - for (i = 0; i < TRX_MAX_OFFSET; i++) { - part = &trx_parts[i]; - if (trx_hdr.offsets[i] == 0) - continue; - part->offset = trx_offset + trx_hdr.offsets[i]; - trx_nr_parts++; - } - - for (i = 0; i < trx_nr_parts-1; i++) - trx_parts[i].size = trx_parts[i+1].offset - trx_parts[i].offset; - - trx_parts[i].size = mtd->size - trx_parts[i].offset; - - i = 0; - part = &trx_parts[i]; - if (part->size < TRX_MIN_KERNEL_SIZE) { - part->name = "loader"; - i++; - } - - part = &trx_parts[i]; - part->name = "kernel"; - i++; - - part = &trx_parts[i]; - part->name = "rootfs"; - - err = mtd_device_register(mtd, trx_parts, trx_nr_parts); - if (err) { - printk(KERN_ALERT PFX "adding TRX partitions failed\n"); - return; - } - - mtd->refresh_device = trxsplit_refresh_partitions; -} - -static int trxsplit_refresh_partitions(struct mtd_info *mtd) -{ - printk(KERN_INFO PFX "refreshing TRX partitions in '%s' (%d,%d)\n", - mtd->name, MTD_BLOCK_MAJOR, mtd->index); - - /* remove old partitions */ - mtd_device_unregister(mtd); - - trxsplit_findtrx(mtd); - if (!trx_mtd) - goto err; - - trxsplit_create_partitions(trx_mtd); - return 1; - -err: - return 0; -} - -static void __init trxsplit_add_mtd(struct mtd_info *mtd) -{ - if (mtd->type != MTD_NORFLASH) { - printk(KERN_INFO PFX "'%s' is not a NOR flash, skipped\n", - mtd->name); - return; - } - - if (!trx_mtd) - trxsplit_findtrx(mtd); -} - -static void __init trxsplit_remove_mtd(struct mtd_info *mtd) -{ - /* nothing to do */ -} - -static struct mtd_notifier trxsplit_notifier __initdata = { - .add = trxsplit_add_mtd, - .remove = trxsplit_remove_mtd, -}; - -static void __init trxsplit_scan(void) -{ - register_mtd_user(&trxsplit_notifier); - unregister_mtd_user(&trxsplit_notifier); -} - -static int __init trxsplit_init(void) -{ - trxsplit_scan(); - - if (trx_mtd) { - printk(KERN_INFO PFX "creating TRX partitions in '%s' " - "(%d,%d)\n", trx_mtd->name, MTD_BLOCK_MAJOR, - trx_mtd->index); - trxsplit_create_partitions(trx_mtd); - } - - return 0; -} - -late_initcall(trxsplit_init); -- cgit v1.2.3