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Diffstat (limited to 'common/cmd_jffs2.c')
| -rw-r--r-- | common/cmd_jffs2.c | 619 |
1 files changed, 0 insertions, 619 deletions
diff --git a/common/cmd_jffs2.c b/common/cmd_jffs2.c deleted file mode 100644 index bce098315e..0000000000 --- a/common/cmd_jffs2.c +++ /dev/null @@ -1,619 +0,0 @@ -/* - * (C) Copyright 2002 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2002 - * Robert Schwebel, Pengutronix, <r.schwebel@pengutronix.de> - * - * (C) Copyright 2003 - * Kai-Uwe Bloem, Auerswald GmbH & Co KG, <linux-development@auerswald.de> - * - * (C) Copyright 2005 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * Added support for reading flash partition table from environment. - * Parsing routines are based on driver/mtd/cmdline.c from the linux 2.4 - * kernel tree. - * - * $Id: cmdlinepart.c,v 1.17 2004/11/26 11:18:47 lavinen Exp $ - * Copyright 2002 SYSGO Real-Time Solutions GmbH - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * Three environment variables are used by the parsing routines: - * - * 'partition' - keeps current partition identifier - * - * partition := <part-id> - * <part-id> := <dev-id>,part_num - * - * - * 'mtdids' - linux kernel mtd device id <-> u-boot device id mapping - * - * mtdids=<idmap>[,<idmap>,...] - * - * <idmap> := <dev-id>=<mtd-id> - * <dev-id> := 'nand'|'nor'|'onenand'<dev-num> - * <dev-num> := mtd device number, 0... - * <mtd-id> := unique device tag used by linux kernel to find mtd device (mtd->name) - * - * - * 'mtdparts' - partition list - * - * mtdparts=mtdparts=<mtd-def>[;<mtd-def>...] - * - * <mtd-def> := <mtd-id>:<part-def>[,<part-def>...] - * <mtd-id> := unique device tag used by linux kernel to find mtd device (mtd->name) - * <part-def> := <size>[@<offset>][<name>][<ro-flag>] - * <size> := standard linux memsize OR '-' to denote all remaining space - * <offset> := partition start offset within the device - * <name> := '(' NAME ')' - * <ro-flag> := when set to 'ro' makes partition read-only (not used, passed to kernel) - * - * Notes: - * - each <mtd-id> used in mtdparts must albo exist in 'mtddis' mapping - * - if the above variables are not set defaults for a given target are used - * - * Examples: - * - * 1 NOR Flash, with 1 single writable partition: - * mtdids=nor0=edb7312-nor - * mtdparts=mtdparts=edb7312-nor:- - * - * 1 NOR Flash with 2 partitions, 1 NAND with one - * mtdids=nor0=edb7312-nor,nand0=edb7312-nand - * mtdparts=mtdparts=edb7312-nor:256k(ARMboot)ro,-(root);edb7312-nand:-(home) - * - */ - -/* - * JFFS2/CRAMFS support - */ -#include <common.h> -#include <command.h> -#include <malloc.h> -#include <jffs2/jffs2.h> -#include <linux/list.h> -#include <linux/ctype.h> -#include <cramfs/cramfs_fs.h> - -#if defined(CONFIG_CMD_NAND) -#include <linux/mtd/nand.h> -#include <nand.h> -#endif - -#if defined(CONFIG_CMD_ONENAND) -#include <linux/mtd/mtd.h> -#include <linux/mtd/onenand.h> -#include <onenand_uboot.h> -#endif - -/* enable/disable debugging messages */ -#define DEBUG_JFFS -#undef DEBUG_JFFS - -#ifdef DEBUG_JFFS -# define DEBUGF(fmt, args...) printf(fmt ,##args) -#else -# define DEBUGF(fmt, args...) -#endif - -/* special size referring to all the remaining space in a partition */ -#define SIZE_REMAINING 0xFFFFFFFF - -/* special offset value, it is used when not provided by user - * - * this value is used temporarily during parsing, later such offests - * are recalculated */ -#define OFFSET_NOT_SPECIFIED 0xFFFFFFFF - -/* minimum partition size */ -#define MIN_PART_SIZE 4096 - -/* this flag needs to be set in part_info struct mask_flags - * field for read-only partitions */ -#define MTD_WRITEABLE_CMD 1 - -/* current active device and partition number */ -#ifdef CONFIG_CMD_MTDPARTS -/* Use the ones declared in cmd_mtdparts.c */ -extern struct mtd_device *current_mtd_dev; -extern u8 current_mtd_partnum; -#else -/* Use local ones */ -struct mtd_device *current_mtd_dev = NULL; -u8 current_mtd_partnum = 0; -#endif - -#if defined(CONFIG_CMD_CRAMFS) -extern int cramfs_check (struct part_info *info); -extern int cramfs_load (char *loadoffset, struct part_info *info, char *filename); -extern int cramfs_ls (struct part_info *info, char *filename); -extern int cramfs_info (struct part_info *info); -#else -/* defining empty macros for function names is ugly but avoids ifdef clutter - * all over the code */ -#define cramfs_check(x) (0) -#define cramfs_load(x,y,z) (-1) -#define cramfs_ls(x,y) (0) -#define cramfs_info(x) (0) -#endif - -#ifndef CONFIG_CMD_MTDPARTS -/** - * Check device number to be within valid range for given device type. - * - * @param dev device to validate - * @return 0 if device is valid, 1 otherwise - */ -static int mtd_device_validate(u8 type, u8 num, u32 *size) -{ - if (type == MTD_DEV_TYPE_NOR) { -#if defined(CONFIG_CMD_FLASH) - if (num < CONFIG_SYS_MAX_FLASH_BANKS) { - extern flash_info_t flash_info[]; - *size = flash_info[num].size; - - return 0; - } - - printf("no such FLASH device: %s%d (valid range 0 ... %d\n", - MTD_DEV_TYPE(type), num, CONFIG_SYS_MAX_FLASH_BANKS - 1); -#else - printf("support for FLASH devices not present\n"); -#endif - } else if (type == MTD_DEV_TYPE_NAND) { -#if defined(CONFIG_JFFS2_NAND) && defined(CONFIG_CMD_NAND) - if (num < CONFIG_SYS_MAX_NAND_DEVICE) { - *size = nand_info[num].size; - return 0; - } - - printf("no such NAND device: %s%d (valid range 0 ... %d)\n", - MTD_DEV_TYPE(type), num, CONFIG_SYS_MAX_NAND_DEVICE - 1); -#else - printf("support for NAND devices not present\n"); -#endif - } else if (type == MTD_DEV_TYPE_ONENAND) { -#if defined(CONFIG_CMD_ONENAND) - *size = onenand_mtd.size; - return 0; -#else - printf("support for OneNAND devices not present\n"); -#endif - } else - printf("Unknown defice type %d\n", type); - - return 1; -} - -/** - * Parse device id string <dev-id> := 'nand'|'nor'|'onenand'<dev-num>, - * return device type and number. - * - * @param id string describing device id - * @param ret_id output pointer to next char after parse completes (output) - * @param dev_type parsed device type (output) - * @param dev_num parsed device number (output) - * @return 0 on success, 1 otherwise - */ -static int mtd_id_parse(const char *id, const char **ret_id, u8 *dev_type, u8 *dev_num) -{ - const char *p = id; - - *dev_type = 0; - if (strncmp(p, "nand", 4) == 0) { - *dev_type = MTD_DEV_TYPE_NAND; - p += 4; - } else if (strncmp(p, "nor", 3) == 0) { - *dev_type = MTD_DEV_TYPE_NOR; - p += 3; - } else if (strncmp(p, "onenand", 7) == 0) { - *dev_type = MTD_DEV_TYPE_ONENAND; - p += 7; - } else { - printf("incorrect device type in %s\n", id); - return 1; - } - - if (!isdigit(*p)) { - printf("incorrect device number in %s\n", id); - return 1; - } - - *dev_num = simple_strtoul(p, (char **)&p, 0); - if (ret_id) - *ret_id = p; - return 0; -} - -/* - * 'Static' version of command line mtdparts_init() routine. Single partition on - * a single device configuration. - */ - -/** - * Calculate sector size. - * - * @return sector size - */ -static inline u32 get_part_sector_size_nand(struct mtdids *id) -{ -#if defined(CONFIG_JFFS2_NAND) && defined(CONFIG_CMD_NAND) - nand_info_t *nand; - - nand = &nand_info[id->num]; - - return nand->erasesize; -#else - BUG(); - return 0; -#endif -} - -static inline u32 get_part_sector_size_nor(struct mtdids *id, struct part_info *part) -{ -#if defined(CONFIG_CMD_FLASH) - extern flash_info_t flash_info[]; - - u32 end_phys, start_phys, sector_size = 0, size = 0; - int i; - flash_info_t *flash; - - flash = &flash_info[id->num]; - - start_phys = flash->start[0] + part->offset; - end_phys = start_phys + part->size - 1; - - for (i = 0; i < flash->sector_count; i++) { - if (flash->start[i] >= end_phys) - break; - - if (flash->start[i] >= start_phys) { - if (i == flash->sector_count - 1) { - size = flash->start[0] + flash->size - flash->start[i]; - } else { - size = flash->start[i+1] - flash->start[i]; - } - - if (sector_size < size) - sector_size = size; - } - } - - return sector_size; -#else - BUG(); - return 0; -#endif -} - -static inline u32 get_part_sector_size_onenand(void) -{ -#if defined(CONFIG_CMD_ONENAND) - struct mtd_info *mtd; - - mtd = &onenand_mtd; - - return mtd->erasesize; -#else - BUG(); - return 0; -#endif -} - -static inline u32 get_part_sector_size(struct mtdids *id, struct part_info *part) -{ - if (id->type == MTD_DEV_TYPE_NAND) - return get_part_sector_size_nand(id); - else if (id->type == MTD_DEV_TYPE_NOR) - return get_part_sector_size_nor(id, part); - else if (id->type == MTD_DEV_TYPE_ONENAND) - return get_part_sector_size_onenand(); - else - DEBUGF("Error: Unknown device type.\n"); - - return 0; -} - -/** - * Parse and initialize global mtdids mapping and create global - * device/partition list. - * - * 'Static' version of command line mtdparts_init() routine. Single partition on - * a single device configuration. - * - * @return 0 on success, 1 otherwise - */ -int mtdparts_init(void) -{ - static int initialized = 0; - u32 size; - char *dev_name; - - DEBUGF("\n---mtdparts_init---\n"); - if (!initialized) { - struct mtdids *id; - struct part_info *part; - - initialized = 1; - current_mtd_dev = (struct mtd_device *) - malloc(sizeof(struct mtd_device) + - sizeof(struct part_info) + - sizeof(struct mtdids)); - if (!current_mtd_dev) { - printf("out of memory\n"); - return 1; - } - memset(current_mtd_dev, 0, sizeof(struct mtd_device) + - sizeof(struct part_info) + sizeof(struct mtdids)); - - id = (struct mtdids *)(current_mtd_dev + 1); - part = (struct part_info *)(id + 1); - - /* id */ - id->mtd_id = "single part"; - -#if defined(CONFIG_JFFS2_DEV) - dev_name = CONFIG_JFFS2_DEV; -#else - dev_name = "nor0"; -#endif - - if ((mtd_id_parse(dev_name, NULL, &id->type, &id->num) != 0) || - (mtd_device_validate(id->type, id->num, &size) != 0)) { - printf("incorrect device: %s%d\n", MTD_DEV_TYPE(id->type), id->num); - free(current_mtd_dev); - return 1; - } - id->size = size; - INIT_LIST_HEAD(&id->link); - - DEBUGF("dev id: type = %d, num = %d, size = 0x%08lx, mtd_id = %s\n", - id->type, id->num, id->size, id->mtd_id); - - /* partition */ - part->name = "static"; - part->auto_name = 0; - -#if defined(CONFIG_JFFS2_PART_SIZE) - part->size = CONFIG_JFFS2_PART_SIZE; -#else - part->size = SIZE_REMAINING; -#endif - -#if defined(CONFIG_JFFS2_PART_OFFSET) - part->offset = CONFIG_JFFS2_PART_OFFSET; -#else - part->offset = 0x00000000; -#endif - - part->dev = current_mtd_dev; - INIT_LIST_HEAD(&part->link); - - /* recalculate size if needed */ - if (part->size == SIZE_REMAINING) - part->size = id->size - part->offset; - - part->sector_size = get_part_sector_size(id, part); - - DEBUGF("part : name = %s, size = 0x%08lx, offset = 0x%08lx\n", - part->name, part->size, part->offset); - - /* device */ - current_mtd_dev->id = id; - INIT_LIST_HEAD(¤t_mtd_dev->link); - current_mtd_dev->num_parts = 1; - INIT_LIST_HEAD(¤t_mtd_dev->parts); - list_add(&part->link, ¤t_mtd_dev->parts); - } - - return 0; -} -#endif /* #ifndef CONFIG_CMD_MTDPARTS */ - -/** - * Return pointer to the partition of a requested number from a requested - * device. - * - * @param dev device that is to be searched for a partition - * @param part_num requested partition number - * @return pointer to the part_info, NULL otherwise - */ -static struct part_info* jffs2_part_info(struct mtd_device *dev, unsigned int part_num) -{ - struct list_head *entry; - struct part_info *part; - int num; - - if (!dev) - return NULL; - - DEBUGF("\n--- jffs2_part_info: partition number %d for device %s%d (%s)\n", - part_num, MTD_DEV_TYPE(dev->id->type), - dev->id->num, dev->id->mtd_id); - - if (part_num >= dev->num_parts) { - printf("invalid partition number %d for device %s%d (%s)\n", - part_num, MTD_DEV_TYPE(dev->id->type), - dev->id->num, dev->id->mtd_id); - return NULL; - } - - /* locate partition number, return it */ - num = 0; - list_for_each(entry, &dev->parts) { - part = list_entry(entry, struct part_info, link); - - if (part_num == num++) { - return part; - } - } - - return NULL; -} - -/***************************************************/ -/* U-boot commands */ -/***************************************************/ - -/** - * Routine implementing fsload u-boot command. This routine tries to load - * a requested file from jffs2/cramfs filesystem on a current partition. - * - * @param cmdtp command internal data - * @param flag command flag - * @param argc number of arguments supplied to the command - * @param argv arguments list - * @return 0 on success, 1 otherwise - */ -int do_jffs2_fsload(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - char *fsname; - char *filename; - int size; - struct part_info *part; - ulong offset = load_addr; - - /* pre-set Boot file name */ - if ((filename = getenv("bootfile")) == NULL) { - filename = "uImage"; - } - - if (argc == 2) { - filename = argv[1]; - } - if (argc == 3) { - offset = simple_strtoul(argv[1], NULL, 16); - load_addr = offset; - filename = argv[2]; - } - - /* make sure we are in sync with env variables */ - if (mtdparts_init() !=0) - return 1; - - if ((part = jffs2_part_info(current_mtd_dev, current_mtd_partnum))){ - - /* check partition type for cramfs */ - fsname = (cramfs_check(part) ? "CRAMFS" : "JFFS2"); - printf("### %s loading '%s' to 0x%lx\n", fsname, filename, offset); - - if (cramfs_check(part)) { - size = cramfs_load ((char *) offset, part, filename); - } else { - /* if this is not cramfs assume jffs2 */ - size = jffs2_1pass_load((char *)offset, part, filename); - } - - if (size > 0) { - printf("### %s load complete: %d bytes loaded to 0x%lx\n", - fsname, size, offset); - setenv_hex("filesize", size); - } else { - printf("### %s LOAD ERROR<%x> for %s!\n", fsname, size, filename); - } - - return !(size > 0); - } - return 1; -} - -/** - * Routine implementing u-boot ls command which lists content of a given - * directory on a current partition. - * - * @param cmdtp command internal data - * @param flag command flag - * @param argc number of arguments supplied to the command - * @param argv arguments list - * @return 0 on success, 1 otherwise - */ -int do_jffs2_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - char *filename = "/"; - int ret; - struct part_info *part; - - if (argc == 2) - filename = argv[1]; - - /* make sure we are in sync with env variables */ - if (mtdparts_init() !=0) - return 1; - - if ((part = jffs2_part_info(current_mtd_dev, current_mtd_partnum))){ - - /* check partition type for cramfs */ - if (cramfs_check(part)) { - ret = cramfs_ls (part, filename); - } else { - /* if this is not cramfs assume jffs2 */ - ret = jffs2_1pass_ls(part, filename); - } - - return ret ? 0 : 1; - } - return 1; -} - -/** - * Routine implementing u-boot fsinfo command. This routine prints out - * miscellaneous filesystem informations/statistics. - * - * @param cmdtp command internal data - * @param flag command flag - * @param argc number of arguments supplied to the command - * @param argv arguments list - * @return 0 on success, 1 otherwise - */ -int do_jffs2_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - struct part_info *part; - char *fsname; - int ret; - - /* make sure we are in sync with env variables */ - if (mtdparts_init() !=0) - return 1; - - if ((part = jffs2_part_info(current_mtd_dev, current_mtd_partnum))){ - - /* check partition type for cramfs */ - fsname = (cramfs_check(part) ? "CRAMFS" : "JFFS2"); - printf("### filesystem type is %s\n", fsname); - - if (cramfs_check(part)) { - ret = cramfs_info (part); - } else { - /* if this is not cramfs assume jffs2 */ - ret = jffs2_1pass_info(part); - } - - return ret ? 0 : 1; - } - return 1; -} - -/***************************************************/ -U_BOOT_CMD( - fsload, 3, 0, do_jffs2_fsload, - "load binary file from a filesystem image", - "[ off ] [ filename ]\n" - " - load binary file from flash bank\n" - " with offset 'off'" -); -U_BOOT_CMD( - ls, 2, 1, do_jffs2_ls, - "list files in a directory (default /)", - "[ directory ]" -); - -U_BOOT_CMD( - fsinfo, 1, 1, do_jffs2_fsinfo, - "print information about filesystems", - "" -); -/***************************************************/ |