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cmd/mtdparts.c
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// SPDX-License-Identifier: GPL-2.0+ |
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/* * (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. * |
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* (C) Copyright 2008 * Harald Welte, OpenMoko, Inc., Harald Welte <laforge@openmoko.org> * |
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* $Id: cmdlinepart.c,v 1.17 2004/11/26 11:18:47 lavinen Exp $ * Copyright 2002 SYSGO Real-Time Solutions GmbH |
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*/ /* * 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> |
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* <dev-id> := 'nand'|'nor'|'onenand'|'spi-nand'<dev-num> |
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* <dev-num> := mtd device number, 0... * <mtd-id> := unique device tag used by linux kernel to find mtd device (mtd->name) * * * 'mtdparts' - partition list * |
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* mtdparts=[mtdparts=]<mtd-def>[;<mtd-def>...] |
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* * <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 |
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* mtdparts=[mtdparts=]edb7312-nor:- |
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* * 1 NOR Flash with 2 partitions, 1 NAND with one * mtdids=nor0=edb7312-nor,nand0=edb7312-nand |
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* mtdparts=[mtdparts=]edb7312-nor:256k(ARMboot)ro,-(root);edb7312-nand:-(home) |
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* */ |
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#include <common.h> #include <command.h> #include <malloc.h> |
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#include <jffs2/load_kernel.h> |
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#include <linux/list.h> #include <linux/ctype.h> |
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#include <linux/err.h> #include <linux/mtd/mtd.h> |
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#if defined(CONFIG_CMD_NAND) |
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#include <linux/mtd/rawnand.h> |
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#include <nand.h> |
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#endif #if defined(CONFIG_CMD_ONENAND) |
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#include <linux/mtd/onenand.h> #include <onenand_uboot.h> #endif |
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DECLARE_GLOBAL_DATA_PTR; |
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/* special size referring to all the remaining space in a partition */ |
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#define SIZE_REMAINING (~0llu) |
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/* special offset value, it is used when not provided by user * * this value is used temporarily during parsing, later such offests * are recalculated */ |
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#define OFFSET_NOT_SPECIFIED (~0llu) |
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/* 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 /* default values for mtdids and mtdparts variables */ |
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#if !defined(MTDIDS_DEFAULT) |
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#ifdef CONFIG_MTDIDS_DEFAULT #define MTDIDS_DEFAULT CONFIG_MTDIDS_DEFAULT #else |
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#define MTDIDS_DEFAULT NULL |
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#endif |
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#endif |
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#if !defined(MTDPARTS_DEFAULT) |
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#ifdef CONFIG_MTDPARTS_DEFAULT #define MTDPARTS_DEFAULT CONFIG_MTDPARTS_DEFAULT #else |
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#define MTDPARTS_DEFAULT NULL #endif |
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#endif |
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#if defined(CONFIG_SYS_MTDPARTS_RUNTIME) extern void board_mtdparts_default(const char **mtdids, const char **mtdparts); |
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#endif |
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static const char *mtdids_default = MTDIDS_DEFAULT; static const char *mtdparts_default = MTDPARTS_DEFAULT; |
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/* copies of last seen 'mtdids', 'mtdparts' and 'partition' env variables */ #define MTDIDS_MAXLEN 128 #define MTDPARTS_MAXLEN 512 #define PARTITION_MAXLEN 16 |
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static char last_ids[MTDIDS_MAXLEN + 1]; static char last_parts[MTDPARTS_MAXLEN + 1]; static char last_partition[PARTITION_MAXLEN + 1]; |
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/* low level jffs2 cache cleaning routine */ extern void jffs2_free_cache(struct part_info *part); /* mtdids mapping list, filled by parse_ids() */ |
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static struct list_head mtdids; |
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/* device/partition list, parse_cmdline() parses into here */ |
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static struct list_head devices; |
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/* current active device and partition number */ |
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struct mtd_device *current_mtd_dev = NULL; u8 current_mtd_partnum = 0; |
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|
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u8 use_defaults; |
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static struct part_info* mtd_part_info(struct mtd_device *dev, unsigned int part_num); /* command line only routines */ static struct mtdids* id_find_by_mtd_id(const char *mtd_id, unsigned int mtd_id_len); static int device_del(struct mtd_device *dev); |
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#ifdef CONFIG_MTDPARTS_SKIP_INVALID int skip_counter = 0; /* * find a seperator to locate the next entry * @param p pointer of the pointer of input char string * @param sp seperator charactor * @param n find the nth seperator * @param limit the looking scope * @return 1 on success, otherwise 0 */ static int find_seperator(const char **p, char sp, int n, int limit) { int i, j; /* n = 0 means do nothing */ if (!n) return 1; i = j = 0; while (*p && (**p != '\0') && (i < limit)) { if (**p == sp) { (*p)++; j++; if (j == n) return 1; } (*p)++; i++; } return 0; } #endif |
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/** * Parses a string into a number. The number stored at ptr is * potentially suffixed with K (for kilobytes, or 1024 bytes), * M (for megabytes, or 1048576 bytes), or G (for gigabytes, or * 1073741824). If the number is suffixed with K, M, or G, then * the return value is the number multiplied by one kilobyte, one * megabyte, or one gigabyte, respectively. * * @param ptr where parse begins * @param retptr output pointer to next char after parse completes (output) * @return resulting unsigned int */ |
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static u64 memsize_parse (const char *const ptr, const char **retptr) |
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{ |
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u64 ret = simple_strtoull(ptr, (char **)retptr, 0); |
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switch (**retptr) { case 'G': case 'g': ret <<= 10; |
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/* Fallthrough */ |
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case 'M': case 'm': ret <<= 10; |
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/* Fallthrough */ |
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case 'K': case 'k': ret <<= 10; (*retptr)++; |
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/* Fallthrough */ |
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default: break; } return ret; } /** * Format string describing supplied size. This routine does the opposite job * to memsize_parse(). Size in bytes is converted to string and if possible * shortened by using k (kilobytes), m (megabytes) or g (gigabytes) suffix. * * Note, that this routine does not check for buffer overflow, it's the caller * who must assure enough space. * * @param buf output buffer * @param size size to be converted to string */ |
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static void memsize_format(char *buf, u64 size) |
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{ #define SIZE_GB ((u32)1024*1024*1024) #define SIZE_MB ((u32)1024*1024) #define SIZE_KB ((u32)1024) if ((size % SIZE_GB) == 0) |
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sprintf(buf, "%llug", size/SIZE_GB); |
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else if ((size % SIZE_MB) == 0) |
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sprintf(buf, "%llum", size/SIZE_MB); |
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else if (size % SIZE_KB == 0) |
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sprintf(buf, "%lluk", size/SIZE_KB); |
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else |
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sprintf(buf, "%llu", size); |
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} /** * This routine does global indexing of all partitions. Resulting index for * current partition is saved in 'mtddevnum'. Current partition name in * 'mtddevname'. */ static void index_partitions(void) { |
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u16 mtddevnum; struct part_info *part; struct list_head *dentry; struct mtd_device *dev; |
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debug("--- index partitions --- "); |
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|
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if (current_mtd_dev) { |
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mtddevnum = 0; list_for_each(dentry, &devices) { dev = list_entry(dentry, struct mtd_device, link); |
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if (dev == current_mtd_dev) { mtddevnum += current_mtd_partnum; |
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env_set_ulong("mtddevnum", mtddevnum); |
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debug("=> mtddevnum %d, ", mtddevnum); |
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break; } mtddevnum += dev->num_parts; } |
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part = mtd_part_info(current_mtd_dev, current_mtd_partnum); |
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if (part) { env_set("mtddevname", part->name); debug("=> mtddevname %s ", part->name); } else { env_set("mtddevname", NULL); |
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|
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debug("=> mtddevname NULL "); } |
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} else { |
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env_set("mtddevnum", NULL); env_set("mtddevname", NULL); |
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|
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debug("=> mtddevnum NULL => mtddevname NULL "); |
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} } /** * Save current device and partition in environment variable 'partition'. */ static void current_save(void) { char buf[16]; |
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debug("--- current_save --- "); |
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if (current_mtd_dev) { sprintf(buf, "%s%d,%d", MTD_DEV_TYPE(current_mtd_dev->id->type), current_mtd_dev->id->num, current_mtd_partnum); |
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|
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env_set("partition", buf); |
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strncpy(last_partition, buf, 16); |
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debug("=> partition %s ", buf); |
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} else { |
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env_set("partition", NULL); |
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last_partition[0] = '\0'; |
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debug("=> partition NULL "); |
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} index_partitions(); } |
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/** * Produce a mtd_info given a type and num. * * @param type mtd type * @param num mtd number * @param mtd a pointer to an mtd_info instance (output) * @return 0 if device is valid, 1 otherwise */ static int get_mtd_info(u8 type, u8 num, struct mtd_info **mtd) { char mtd_dev[16]; sprintf(mtd_dev, "%s%d", MTD_DEV_TYPE(type), num); *mtd = get_mtd_device_nm(mtd_dev); if (IS_ERR(*mtd)) { printf("Device %s not found! ", mtd_dev); return 1; } |
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put_mtd_device(*mtd); |
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return 0; } |
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/** |
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* Performs sanity check for supplied flash partition. * Table of existing MTD flash devices is searched and partition device * is located. Alignment with the granularity of nand erasesize is verified. |
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* * @param id of the parent device * @param part partition to validate * @return 0 if partition is valid, 1 otherwise */ |
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static int part_validate_eraseblock(struct mtdids *id, struct part_info *part) |
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{ |
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struct mtd_info *mtd = NULL; |
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int i, j; ulong start; |
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u64 offset, size; |
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|
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if (get_mtd_info(id->type, id->num, &mtd)) |
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return 1; |
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|
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part->sector_size = mtd->erasesize; |
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|
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if (!mtd->numeraseregions) { /* |
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* Only one eraseregion (NAND, SPI-NAND, OneNAND or uniform NOR), |
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* checking for alignment is easy here */ |
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offset = part->offset; if (do_div(offset, mtd->erasesize)) { |
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printf("%s%d: partition (%s) start offset" "alignment incorrect ", MTD_DEV_TYPE(id->type), id->num, part->name); return 1; } |
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|
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size = part->size; if (do_div(size, mtd->erasesize)) { |
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printf("%s%d: partition (%s) size alignment incorrect ", MTD_DEV_TYPE(id->type), id->num, part->name); return 1; } } else { /* * Multiple eraseregions (non-uniform NOR), * checking for alignment is more complex here */ /* Check start alignment */ for (i = 0; i < mtd->numeraseregions; i++) { start = mtd->eraseregions[i].offset; for (j = 0; j < mtd->eraseregions[i].numblocks; j++) { if (part->offset == start) goto start_ok; start += mtd->eraseregions[i].erasesize; } } |
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|
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printf("%s%d: partition (%s) start offset alignment incorrect ", |
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MTD_DEV_TYPE(id->type), id->num, part->name); |
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return 1; |
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|
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start_ok: |
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|
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/* Check end/size alignment */ for (i = 0; i < mtd->numeraseregions; i++) { start = mtd->eraseregions[i].offset; for (j = 0; j < mtd->eraseregions[i].numblocks; j++) { if ((part->offset + part->size) == start) goto end_ok; start += mtd->eraseregions[i].erasesize; } } /* Check last sector alignment */ if ((part->offset + part->size) == start) goto end_ok; |
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|
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printf("%s%d: partition (%s) size alignment incorrect ", |
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MTD_DEV_TYPE(id->type), id->num, part->name); |
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return 1; |
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end_ok: return 0; |
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} return 0; |
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} /** |
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* Performs sanity check for supplied partition. Offset and size are * verified to be within valid range. Partition type is checked and * part_validate_eraseblock() is called with the argument of part. |
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* * @param id of the parent device * @param part partition to validate * @return 0 if partition is valid, 1 otherwise */ static int part_validate(struct mtdids *id, struct part_info *part) { if (part->size == SIZE_REMAINING) part->size = id->size - part->offset; if (part->offset > id->size) { |
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printf("%s: offset %08llx beyond flash size %08llx ", |
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id->mtd_id, part->offset, id->size); return 1; } if ((part->offset + part->size) <= part->offset) { printf("%s%d: partition (%s) size too big ", MTD_DEV_TYPE(id->type), id->num, part->name); return 1; } if (part->offset + part->size > id->size) { printf("%s: partitioning exceeds flash size ", id->mtd_id); return 1; } |
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/* * Now we need to check if the partition starts and ends on * sector (eraseblock) regions */ return part_validate_eraseblock(id, part); |
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} /** |
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* Delete selected partition from the partition list of the specified device. |
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* * @param dev device to delete partition from * @param part partition to delete * @return 0 on success, 1 otherwise */ static int part_del(struct mtd_device *dev, struct part_info *part) { u8 current_save_needed = 0; /* if there is only one partition, remove whole device */ if (dev->num_parts == 1) return device_del(dev); /* otherwise just delete this partition */ |
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if (dev == current_mtd_dev) { |
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/* we are modyfing partitions for the current device, * update current */ struct part_info *curr_pi; |
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curr_pi = mtd_part_info(current_mtd_dev, current_mtd_partnum); |
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if (curr_pi) { if (curr_pi == part) { printf("current partition deleted, resetting current to 0 "); |
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current_mtd_partnum = 0; |
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} else if (part->offset <= curr_pi->offset) { |
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current_mtd_partnum--; |
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} current_save_needed = 1; } } |
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list_del(&part->link); free(part); dev->num_parts--; if (current_save_needed > 0) current_save(); else index_partitions(); return 0; } /** * Delete all partitions from parts head list, free memory. * * @param head list of partitions to delete */ static void part_delall(struct list_head *head) { struct list_head *entry, *n; struct part_info *part_tmp; /* clean tmp_list and free allocated memory */ list_for_each_safe(entry, n, head) { part_tmp = list_entry(entry, struct part_info, link); |
68d7d6510 Separate mtdparts... |
540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 |
list_del(entry); free(part_tmp); } } /** * Add new partition to the supplied partition list. Make sure partitions are * sorted by offset in ascending order. * * @param head list this partition is to be added to * @param new partition to be added */ static int part_sort_add(struct mtd_device *dev, struct part_info *part) { struct list_head *entry; struct part_info *new_pi, *curr_pi; /* link partition to parrent dev */ part->dev = dev; if (list_empty(&dev->parts)) { |
e1d2950d0 mtdparts: get rid... |
561 562 |
debug("part_sort_add: list empty "); |
68d7d6510 Separate mtdparts... |
563 564 565 566 567 568 569 570 571 572 |
list_add(&part->link, &dev->parts); dev->num_parts++; index_partitions(); return 0; } new_pi = list_entry(&part->link, struct part_info, link); /* get current partition info if we are updating current device */ curr_pi = NULL; |
76b5883da jffs2/mtdparts: F... |
573 574 |
if (dev == current_mtd_dev) curr_pi = mtd_part_info(current_mtd_dev, current_mtd_partnum); |
68d7d6510 Separate mtdparts... |
575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 |
list_for_each(entry, &dev->parts) { struct part_info *pi; pi = list_entry(entry, struct part_info, link); /* be compliant with kernel cmdline, allow only one partition at offset zero */ if ((new_pi->offset == pi->offset) && (pi->offset == 0)) { printf("cannot add second partition at offset 0 "); return 1; } if (new_pi->offset <= pi->offset) { list_add_tail(&part->link, entry); dev->num_parts++; if (curr_pi && (pi->offset <= curr_pi->offset)) { /* we are modyfing partitions for the current * device, update current */ |
76b5883da jffs2/mtdparts: F... |
595 |
current_mtd_partnum++; |
68d7d6510 Separate mtdparts... |
596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 |
current_save(); } else { index_partitions(); } return 0; } } list_add_tail(&part->link, &dev->parts); dev->num_parts++; index_partitions(); return 0; } /** * Add provided partition to the partition list of a given device. * * @param dev device to which partition is added * @param part partition to be added * @return 0 on success, 1 otherwise */ static int part_add(struct mtd_device *dev, struct part_info *part) { /* verify alignment and size */ if (part_validate(dev->id, part) != 0) return 1; /* partition is ok, add it to the list */ if (part_sort_add(dev, part) != 0) return 1; return 0; } /** * Parse one partition definition, allocate memory and return pointer to this * location in retpart. * * @param partdef pointer to the partition definition string i.e. <part-def> * @param ret output pointer to next char after parse completes (output) * @param retpart pointer to the allocated partition (output) * @return 0 on success, 1 otherwise */ static int part_parse(const char *const partdef, const char **ret, struct part_info **retpart) { struct part_info *part; |
39ac34473 cmd_mtdparts: use... |
642 643 |
u64 size; u64 offset; |
68d7d6510 Separate mtdparts... |
644 645 646 647 648 649 650 651 652 653 654 655 |
const char *name; int name_len; unsigned int mask_flags; const char *p; p = partdef; *retpart = NULL; *ret = NULL; /* fetch the partition size */ if (*p == '-') { /* assign all remaining space to this partition */ |
e1d2950d0 mtdparts: get rid... |
656 657 |
debug("'-': remaining size assigned "); |
68d7d6510 Separate mtdparts... |
658 659 660 661 662 |
size = SIZE_REMAINING; p++; } else { size = memsize_parse(p, &p); if (size < MIN_PART_SIZE) { |
39ac34473 cmd_mtdparts: use... |
663 664 |
printf("partition size too small (%llx) ", size); |
68d7d6510 Separate mtdparts... |
665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 |
return 1; } } /* check for offset */ offset = OFFSET_NOT_SPECIFIED; if (*p == '@') { p++; offset = memsize_parse(p, &p); } /* now look for the name */ if (*p == '(') { name = ++p; if ((p = strchr(name, ')')) == NULL) { printf("no closing ) found in partition name "); return 1; } name_len = p - name + 1; if ((name_len - 1) == 0) { printf("empty partition name "); return 1; } p++; } else { /* 0x00000000@0x00000000 */ name_len = 22; name = NULL; } /* test for options */ mask_flags = 0; if (strncmp(p, "ro", 2) == 0) { mask_flags |= MTD_WRITEABLE_CMD; p += 2; } /* check for next partition definition */ if (*p == ',') { if (size == SIZE_REMAINING) { *ret = NULL; printf("no partitions allowed after a fill-up partition "); return 1; } *ret = ++p; } else if ((*p == ';') || (*p == '\0')) { *ret = p; } else { printf("unexpected character '%c' at the end of partition ", *p); *ret = NULL; return 1; } /* allocate memory */ part = (struct part_info *)malloc(sizeof(struct part_info) + name_len); if (!part) { printf("out of memory "); return 1; } memset(part, 0, sizeof(struct part_info) + name_len); part->size = size; part->offset = offset; part->mask_flags = mask_flags; part->name = (char *)(part + 1); if (name) { /* copy user provided name */ strncpy(part->name, name, name_len - 1); part->auto_name = 0; } else { /* auto generated name in form of size@offset */ |
149c21b09 mtdparts: fixed b... |
741 |
snprintf(part->name, name_len, "0x%08llx@0x%08llx", size, offset); |
68d7d6510 Separate mtdparts... |
742 743 744 745 746 |
part->auto_name = 1; } part->name[name_len - 1] = '\0'; INIT_LIST_HEAD(&part->link); |
39ac34473 cmd_mtdparts: use... |
747 748 |
debug("+ partition: name %-22s size 0x%08llx offset 0x%08llx mask flags %d ", |
68d7d6510 Separate mtdparts... |
749 750 751 752 753 754 755 756 757 758 |
part->name, part->size, part->offset, part->mask_flags); *retpart = part; return 0; } /** * Check device number to be within valid range for given device type. * |
0a026d3e8 mtdparts: regroup... |
759 760 761 |
* @param type mtd type * @param num mtd number * @param size a pointer to the size of the mtd device (output) |
68d7d6510 Separate mtdparts... |
762 763 |
* @return 0 if device is valid, 1 otherwise */ |
39ac34473 cmd_mtdparts: use... |
764 |
static int mtd_device_validate(u8 type, u8 num, u64 *size) |
68d7d6510 Separate mtdparts... |
765 |
{ |
0a026d3e8 mtdparts: regroup... |
766 |
struct mtd_info *mtd = NULL; |
68d7d6510 Separate mtdparts... |
767 |
|
0a026d3e8 mtdparts: regroup... |
768 |
if (get_mtd_info(type, num, &mtd)) |
864aa034f cmd_mtdparts: Mov... |
769 |
return 1; |
68d7d6510 Separate mtdparts... |
770 |
|
864aa034f cmd_mtdparts: Mov... |
771 |
*size = mtd->size; |
68d7d6510 Separate mtdparts... |
772 |
|
864aa034f cmd_mtdparts: Mov... |
773 |
return 0; |
68d7d6510 Separate mtdparts... |
774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 |
} /** * Delete all mtd devices from a supplied devices list, free memory allocated for * each device and delete all device partitions. * * @return 0 on success, 1 otherwise */ static int device_delall(struct list_head *head) { struct list_head *entry, *n; struct mtd_device *dev_tmp; /* clean devices list */ list_for_each_safe(entry, n, head) { dev_tmp = list_entry(entry, struct mtd_device, link); list_del(entry); part_delall(&dev_tmp->parts); free(dev_tmp); } INIT_LIST_HEAD(&devices); return 0; } /** * If provided device exists it's partitions are deleted, device is removed * from device list and device memory is freed. * * @param dev device to be deleted * @return 0 on success, 1 otherwise */ static int device_del(struct mtd_device *dev) { part_delall(&dev->parts); list_del(&dev->link); free(dev); |
76b5883da jffs2/mtdparts: F... |
811 |
if (dev == current_mtd_dev) { |
68d7d6510 Separate mtdparts... |
812 813 |
/* we just deleted current device */ if (list_empty(&devices)) { |
76b5883da jffs2/mtdparts: F... |
814 |
current_mtd_dev = NULL; |
68d7d6510 Separate mtdparts... |
815 816 817 |
} else { /* reset first partition from first dev from the * devices list as current */ |
76b5883da jffs2/mtdparts: F... |
818 819 |
current_mtd_dev = list_entry(devices.next, struct mtd_device, link); current_mtd_partnum = 0; |
68d7d6510 Separate mtdparts... |
820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 |
} current_save(); return 0; } index_partitions(); return 0; } /** * Search global device list and return pointer to the device of type and num * specified. * * @param type device type * @param num device number * @return NULL if requested device does not exist */ |
3c950e2eb fdt_support: add ... |
837 |
struct mtd_device *device_find(u8 type, u8 num) |
68d7d6510 Separate mtdparts... |
838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 |
{ struct list_head *entry; struct mtd_device *dev_tmp; list_for_each(entry, &devices) { dev_tmp = list_entry(entry, struct mtd_device, link); if ((dev_tmp->id->type == type) && (dev_tmp->id->num == num)) return dev_tmp; } return NULL; } /** * Add specified device to the global device list. * * @param dev device to be added */ static void device_add(struct mtd_device *dev) { u8 current_save_needed = 0; if (list_empty(&devices)) { |
76b5883da jffs2/mtdparts: F... |
862 863 |
current_mtd_dev = dev; current_mtd_partnum = 0; |
68d7d6510 Separate mtdparts... |
864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 |
current_save_needed = 1; } list_add_tail(&dev->link, &devices); if (current_save_needed > 0) current_save(); else index_partitions(); } /** * Parse device type, name and mtd-id. If syntax is ok allocate memory and * return pointer to the device structure. * * @param mtd_dev pointer to the device definition string i.e. <mtd-dev> * @param ret output pointer to next char after parse completes (output) * @param retdev pointer to the allocated device (output) * @return 0 on success, 1 otherwise */ static int device_parse(const char *const mtd_dev, const char **ret, struct mtd_device **retdev) { struct mtd_device *dev; struct part_info *part; struct mtdids *id; const char *mtd_id; unsigned int mtd_id_len; |
419a1fe95 CFI: fix warning:... |
891 |
const char *p; |
419a1fe95 CFI: fix warning:... |
892 |
const char *pend; |
68d7d6510 Separate mtdparts... |
893 894 895 |
LIST_HEAD(tmp_list); struct list_head *entry, *n; u16 num_parts; |
39ac34473 cmd_mtdparts: use... |
896 |
u64 offset; |
68d7d6510 Separate mtdparts... |
897 |
int err = 1; |
e1d2950d0 mtdparts: get rid... |
898 899 |
debug("===device_parse=== "); |
2697eff1a mtdparts: fix wri... |
900 901 |
assert(retdev); |
68d7d6510 Separate mtdparts... |
902 |
*retdev = NULL; |
68d7d6510 Separate mtdparts... |
903 |
|
2697eff1a mtdparts: fix wri... |
904 905 |
if (ret) *ret = NULL; |
68d7d6510 Separate mtdparts... |
906 907 |
/* fetch <mtd-id> */ |
2697eff1a mtdparts: fix wri... |
908 |
mtd_id = p = mtd_dev; |
68d7d6510 Separate mtdparts... |
909 910 911 912 913 914 915 916 917 918 919 920 921 922 |
if (!(p = strchr(mtd_id, ':'))) { printf("no <mtd-id> identifier "); return 1; } mtd_id_len = p - mtd_id + 1; p++; /* verify if we have a valid device specified */ if ((id = id_find_by_mtd_id(mtd_id, mtd_id_len - 1)) == NULL) { printf("invalid mtd device '%.*s' ", mtd_id_len - 1, mtd_id); return 1; } |
419a1fe95 CFI: fix warning:... |
923 |
pend = strchr(p, ';'); |
e1d2950d0 mtdparts: get rid... |
924 925 |
debug("dev type = %d (%s), dev num = %d, mtd-id = %s ", |
68d7d6510 Separate mtdparts... |
926 927 |
id->type, MTD_DEV_TYPE(id->type), id->num, id->mtd_id); |
5d69a5d17 Fix a few printf ... |
928 929 |
debug("parsing partitions %.*s ", (int)(pend ? pend - p : strlen(p)), p); |
68d7d6510 Separate mtdparts... |
930 |
|
68d7d6510 Separate mtdparts... |
931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 |
/* parse partitions */ num_parts = 0; offset = 0; if ((dev = device_find(id->type, id->num)) != NULL) { /* if device already exists start at the end of the last partition */ part = list_entry(dev->parts.prev, struct part_info, link); offset = part->offset + part->size; } while (p && (*p != '\0') && (*p != ';')) { err = 1; if ((part_parse(p, &p, &part) != 0) || (!part)) break; /* calculate offset when not specified */ if (part->offset == OFFSET_NOT_SPECIFIED) part->offset = offset; else offset = part->offset; /* verify alignment and size */ if (part_validate(id, part) != 0) break; offset += part->size; /* partition is ok, add it to the list */ list_add_tail(&part->link, &tmp_list); num_parts++; err = 0; } if (err == 1) { part_delall(&tmp_list); return 1; } |
e1d2950d0 mtdparts: get rid... |
967 968 969 |
debug(" total partitions: %d ", num_parts); |
68d7d6510 Separate mtdparts... |
970 971 972 973 |
/* check for next device presence */ if (p) { if (*p == ';') { |
2697eff1a mtdparts: fix wri... |
974 975 |
if (ret) *ret = ++p; |
68d7d6510 Separate mtdparts... |
976 |
} else if (*p == '\0') { |
2697eff1a mtdparts: fix wri... |
977 978 |
if (ret) *ret = p; |
68d7d6510 Separate mtdparts... |
979 980 981 |
} else { printf("unexpected character '%c' at the end of device ", *p); |
2697eff1a mtdparts: fix wri... |
982 983 |
if (ret) *ret = NULL; |
68d7d6510 Separate mtdparts... |
984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 |
return 1; } } /* allocate memory for mtd_device structure */ if ((dev = (struct mtd_device *)malloc(sizeof(struct mtd_device))) == NULL) { printf("out of memory "); return 1; } memset(dev, 0, sizeof(struct mtd_device)); dev->id = id; dev->num_parts = 0; /* part_sort_add increments num_parts */ INIT_LIST_HEAD(&dev->parts); INIT_LIST_HEAD(&dev->link); /* move partitions from tmp_list to dev->parts */ list_for_each_safe(entry, n, &tmp_list) { part = list_entry(entry, struct part_info, link); list_del(entry); if (part_sort_add(dev, part) != 0) { device_del(dev); return 1; } } *retdev = dev; |
e1d2950d0 mtdparts: get rid... |
1011 1012 1013 |
debug("=== "); |
68d7d6510 Separate mtdparts... |
1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 |
return 0; } /** * Initialize global device list. * * @return 0 on success, 1 otherwise */ static int mtd_devices_init(void) { last_parts[0] = '\0'; |
76b5883da jffs2/mtdparts: F... |
1025 |
current_mtd_dev = NULL; |
68d7d6510 Separate mtdparts... |
1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 |
current_save(); return device_delall(&devices); } /* * Search global mtdids list and find id of requested type and number. * * @return pointer to the id if it exists, NULL otherwise */ static struct mtdids* id_find(u8 type, u8 num) { struct list_head *entry; struct mtdids *id; list_for_each(entry, &mtdids) { id = list_entry(entry, struct mtdids, link); if ((id->type == type) && (id->num == num)) return id; } return NULL; } /** * Search global mtdids list and find id of a requested mtd_id. * * Note: first argument is not null terminated. * * @param mtd_id string containing requested mtd_id * @param mtd_id_len length of supplied mtd_id * @return pointer to the id if it exists, NULL otherwise */ static struct mtdids* id_find_by_mtd_id(const char *mtd_id, unsigned int mtd_id_len) { struct list_head *entry; struct mtdids *id; |
e1d2950d0 mtdparts: get rid... |
1064 1065 |
debug("--- id_find_by_mtd_id: '%.*s' (len = %d) ", |
68d7d6510 Separate mtdparts... |
1066 1067 1068 1069 |
mtd_id_len, mtd_id, mtd_id_len); list_for_each(entry, &mtdids) { id = list_entry(entry, struct mtdids, link); |
5d69a5d17 Fix a few printf ... |
1070 1071 |
debug("entry: '%s' (len = %zu) ", |
68d7d6510 Separate mtdparts... |
1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 |
id->mtd_id, strlen(id->mtd_id)); if (mtd_id_len != strlen(id->mtd_id)) continue; if (strncmp(id->mtd_id, mtd_id, mtd_id_len) == 0) return id; } return NULL; } /** |
00ac922db cmd: mtdparts: ac... |
1084 |
* Parse device id string <dev-id> := 'nand'|'nor'|'onenand'|'spi-nand'<dev-num>, |
68d7d6510 Separate mtdparts... |
1085 1086 1087 1088 1089 1090 1091 1092 |
* 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 */ |
088f1b199 common/cmd_*.c: s... |
1093 1094 |
int mtd_id_parse(const char *id, const char **ret_id, u8 *dev_type, u8 *dev_num) |
68d7d6510 Separate mtdparts... |
1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 |
{ 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; |
00ac922db cmd: mtdparts: ac... |
1108 1109 1110 |
} else if (strncmp(p, "spi-nand", 8) == 0) { *dev_type = MTD_DEV_TYPE_SPINAND; p += 8; |
68d7d6510 Separate mtdparts... |
1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 |
} else { printf("incorrect device type in %s ", id); return 1; } if (!isdigit(*p)) { printf("incorrect device number in %s ", id); return 1; } *dev_num = simple_strtoul(p, (char **)&p, 0); if (ret_id) *ret_id = p; return 0; } /** * Process all devices and generate corresponding mtdparts string describing * all partitions on all devices. * * @param buf output buffer holding generated mtdparts string (output) * @param buflen buffer size * @return 0 on success, 1 otherwise */ static int generate_mtdparts(char *buf, u32 buflen) { struct list_head *pentry, *dentry; struct mtd_device *dev; struct part_info *part, *prev_part; char *p = buf; char tmpbuf[32]; |
39ac34473 cmd_mtdparts: use... |
1144 1145 |
u64 size, offset; u32 len, part_cnt; |
68d7d6510 Separate mtdparts... |
1146 |
u32 maxlen = buflen - 1; |
e1d2950d0 mtdparts: get rid... |
1147 1148 |
debug("--- generate_mtdparts --- "); |
68d7d6510 Separate mtdparts... |
1149 1150 1151 1152 1153 |
if (list_empty(&devices)) { buf[0] = '\0'; return 0; } |
68d7d6510 Separate mtdparts... |
1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 |
list_for_each(dentry, &devices) { dev = list_entry(dentry, struct mtd_device, link); /* copy mtd_id */ len = strlen(dev->id->mtd_id) + 1; if (len > maxlen) goto cleanup; memcpy(p, dev->id->mtd_id, len - 1); p += len - 1; *(p++) = ':'; maxlen -= len; /* format partitions */ prev_part = NULL; part_cnt = 0; list_for_each(pentry, &dev->parts) { part = list_entry(pentry, struct part_info, link); size = part->size; offset = part->offset; part_cnt++; /* partition size */ memsize_format(tmpbuf, size); len = strlen(tmpbuf); if (len > maxlen) goto cleanup; memcpy(p, tmpbuf, len); p += len; maxlen -= len; /* add offset only when there is a gap between * partitions */ if ((!prev_part && (offset != 0)) || (prev_part && ((prev_part->offset + prev_part->size) != part->offset))) { memsize_format(tmpbuf, offset); len = strlen(tmpbuf) + 1; if (len > maxlen) goto cleanup; *(p++) = '@'; memcpy(p, tmpbuf, len - 1); p += len - 1; maxlen -= len; } /* copy name only if user supplied */ if(!part->auto_name) { len = strlen(part->name) + 2; if (len > maxlen) goto cleanup; *(p++) = '('; memcpy(p, part->name, len - 2); p += len - 2; *(p++) = ')'; maxlen -= len; } /* ro mask flag */ if (part->mask_flags && MTD_WRITEABLE_CMD) { len = 2; if (len > maxlen) goto cleanup; *(p++) = 'r'; *(p++) = 'o'; maxlen -= 2; } /* print ',' separator if there are other partitions * following */ if (dev->num_parts > part_cnt) { if (1 > maxlen) goto cleanup; *(p++) = ','; maxlen--; } prev_part = part; } /* print ';' separator if there are other devices following */ if (dentry->next != &devices) { if (1 > maxlen) goto cleanup; *(p++) = ';'; maxlen--; } } /* we still have at least one char left, as we decremented maxlen at * the begining */ *p = '\0'; return 0; cleanup: last_parts[0] = '\0'; return 1; } /** * Call generate_mtdparts to process all devices and generate corresponding * mtdparts string, save it in mtdparts environment variable. * * @param buf output buffer holding generated mtdparts string (output) * @param buflen buffer size * @return 0 on success, 1 otherwise */ static int generate_mtdparts_save(char *buf, u32 buflen) { int ret; ret = generate_mtdparts(buf, buflen); if ((buf[0] != '\0') && (ret == 0)) |
382bee57f env: Rename seten... |
1268 |
env_set("mtdparts", buf); |
68d7d6510 Separate mtdparts... |
1269 |
else |
382bee57f env: Rename seten... |
1270 |
env_set("mtdparts", NULL); |
68d7d6510 Separate mtdparts... |
1271 1272 1273 |
return ret; } |
04ac38028 mtdparts: show ne... |
1274 |
#if defined(CONFIG_CMD_MTDPARTS_SHOW_NET_SIZES) |
68d7d6510 Separate mtdparts... |
1275 |
/** |
04ac38028 mtdparts: show ne... |
1276 1277 1278 1279 1280 |
* Get the net size (w/o bad blocks) of the given partition. * * @param mtd the mtd info * @param part the partition * @return the calculated net size of this partition |
68d7d6510 Separate mtdparts... |
1281 |
*/ |
04ac38028 mtdparts: show ne... |
1282 1283 |
static uint64_t net_part_size(struct mtd_info *mtd, struct part_info *part) { |
36650ca9f Followup fixes on... |
1284 |
uint64_t i, net_size = 0; |
04ac38028 mtdparts: show ne... |
1285 1286 |
if (!mtd->block_isbad) return part->size; |
04ac38028 mtdparts: show ne... |
1287 1288 1289 1290 |
for (i = 0; i < part->size; i += mtd->erasesize) { if (!mtd->block_isbad(mtd, part->offset + i)) net_size += mtd->erasesize; } |
36650ca9f Followup fixes on... |
1291 |
|
04ac38028 mtdparts: show ne... |
1292 1293 1294 1295 1296 |
return net_size; } #endif static void print_partition_table(void) |
68d7d6510 Separate mtdparts... |
1297 1298 1299 1300 1301 |
{ struct list_head *dentry, *pentry; struct part_info *part; struct mtd_device *dev; int part_num; |
68d7d6510 Separate mtdparts... |
1302 1303 |
list_for_each(dentry, &devices) { dev = list_entry(dentry, struct mtd_device, link); |
04ac38028 mtdparts: show ne... |
1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 |
/* list partitions for given device */ part_num = 0; #if defined(CONFIG_CMD_MTDPARTS_SHOW_NET_SIZES) struct mtd_info *mtd; if (get_mtd_info(dev->id->type, dev->id->num, &mtd)) return; printf(" device %s%d <%s>, # parts = %d ", MTD_DEV_TYPE(dev->id->type), dev->id->num, dev->id->mtd_id, dev->num_parts); printf(" #: name\t\tsize\t\tnet size\toffset\t\tmask_flags "); list_for_each(pentry, &dev->parts) { u32 net_size; char *size_note; part = list_entry(pentry, struct part_info, link); net_size = net_part_size(mtd, part); size_note = part->size == net_size ? " " : " (!)"; printf("%2d: %-20s0x%08x\t0x%08x%s\t0x%08x\t%d ", part_num, part->name, part->size, net_size, size_note, part->offset, part->mask_flags); #else /* !defined(CONFIG_CMD_MTDPARTS_SHOW_NET_SIZES) */ |
68d7d6510 Separate mtdparts... |
1333 1334 1335 1336 1337 |
printf(" device %s%d <%s>, # parts = %d ", MTD_DEV_TYPE(dev->id->type), dev->id->num, dev->id->mtd_id, dev->num_parts); |
08f077da9 mtdpart command: ... |
1338 1339 |
printf(" #: name\t\tsize\t\toffset\t\tmask_flags "); |
68d7d6510 Separate mtdparts... |
1340 |
|
68d7d6510 Separate mtdparts... |
1341 1342 |
list_for_each(pentry, &dev->parts) { part = list_entry(pentry, struct part_info, link); |
39ac34473 cmd_mtdparts: use... |
1343 1344 |
printf("%2d: %-20s0x%08llx\t0x%08llx\t%d ", |
68d7d6510 Separate mtdparts... |
1345 1346 |
part_num, part->name, part->size, part->offset, part->mask_flags); |
04ac38028 mtdparts: show ne... |
1347 |
#endif /* defined(CONFIG_CMD_MTDPARTS_SHOW_NET_SIZES) */ |
68d7d6510 Separate mtdparts... |
1348 1349 1350 |
part_num++; } } |
04ac38028 mtdparts: show ne... |
1351 |
|
68d7d6510 Separate mtdparts... |
1352 1353 1354 |
if (list_empty(&devices)) printf("no partitions defined "); |
04ac38028 mtdparts: show ne... |
1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 |
} /** * Format and print out a partition list for each device from global device * list. */ static void list_partitions(void) { struct part_info *part; debug(" ---list_partitions--- "); print_partition_table(); |
68d7d6510 Separate mtdparts... |
1369 |
|
76b5883da jffs2/mtdparts: F... |
1370 1371 1372 |
/* current_mtd_dev is not NULL only when we have non empty device list */ if (current_mtd_dev) { part = mtd_part_info(current_mtd_dev, current_mtd_partnum); |
68d7d6510 Separate mtdparts... |
1373 |
if (part) { |
39ac34473 cmd_mtdparts: use... |
1374 1375 1376 |
printf(" active partition: %s%d,%d - (%s) 0x%08llx @ 0x%08llx ", |
76b5883da jffs2/mtdparts: F... |
1377 1378 |
MTD_DEV_TYPE(current_mtd_dev->id->type), current_mtd_dev->id->num, current_mtd_partnum, |
68d7d6510 Separate mtdparts... |
1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 |
part->name, part->size, part->offset); } else { printf("could not get current partition info "); } } printf(" defaults: "); |
36c9169aa cmd_mtdparts.c: a... |
1390 1391 1392 |
printf("mtdids : %s ", mtdids_default ? mtdids_default : "none"); |
a693447ce cmd_mtdparts.c: p... |
1393 1394 1395 1396 1397 1398 1399 1400 1401 |
/* * Using printf() here results in printbuffer overflow * if default mtdparts string is greater than console * printbuffer. Use puts() to prevent system crashes. */ puts("mtdparts: "); puts(mtdparts_default ? mtdparts_default : "none"); puts(" "); |
68d7d6510 Separate mtdparts... |
1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 |
} /** * Given partition identifier in form of <dev_type><dev_num>,<part_num> find * corresponding device and verify partition number. * * @param id string describing device and partition or partition name * @param dev pointer to the requested device (output) * @param part_num verified partition number (output) * @param part pointer to requested partition (output) * @return 0 on success, 1 otherwise */ int find_dev_and_part(const char *id, struct mtd_device **dev, u8 *part_num, struct part_info **part) { struct list_head *dentry, *pentry; u8 type, dnum, pnum; const char *p; |
e1d2950d0 mtdparts: get rid... |
1420 1421 1422 |
debug("--- find_dev_and_part --- id = %s ", id); |
68d7d6510 Separate mtdparts... |
1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 |
list_for_each(dentry, &devices) { *part_num = 0; *dev = list_entry(dentry, struct mtd_device, link); list_for_each(pentry, &(*dev)->parts) { *part = list_entry(pentry, struct part_info, link); if (strcmp((*part)->name, id) == 0) return 0; (*part_num)++; } } p = id; *dev = NULL; *part = NULL; *part_num = 0; if (mtd_id_parse(p, &p, &type, &dnum) != 0) return 1; if ((*p++ != ',') || (*p == '\0')) { printf("no partition number specified "); return 1; } pnum = simple_strtoul(p, (char **)&p, 0); if (*p != '\0') { printf("unexpected trailing character '%c' ", *p); return 1; } if ((*dev = device_find(type, dnum)) == NULL) { printf("no such device %s%d ", MTD_DEV_TYPE(type), dnum); return 1; } if ((*part = mtd_part_info(*dev, pnum)) == NULL) { printf("no such partition "); *dev = NULL; return 1; } *part_num = pnum; return 0; } /** * Find and delete partition. For partition id format see find_dev_and_part(). * * @param id string describing device and partition * @return 0 on success, 1 otherwise */ static int delete_partition(const char *id) { u8 pnum; struct mtd_device *dev; struct part_info *part; if (find_dev_and_part(id, &dev, &pnum, &part) == 0) { |
39ac34473 cmd_mtdparts: use... |
1486 1487 |
debug("delete_partition: device = %s%d, partition %d = (%s) 0x%08llx@0x%08llx ", |
68d7d6510 Separate mtdparts... |
1488 1489 1490 1491 1492 1493 1494 |
MTD_DEV_TYPE(dev->id->type), dev->id->num, pnum, part->name, part->size, part->offset); if (part_del(dev, part) != 0) return 1; if (generate_mtdparts_save(last_parts, MTDPARTS_MAXLEN) != 0) { |
a22bf16be cmd_mtdparts.c: C... |
1495 1496 |
printf("generated mtdparts too long, resetting to null "); |
68d7d6510 Separate mtdparts... |
1497 1498 1499 1500 1501 1502 1503 1504 1505 |
return 1; } return 0; } printf("partition %s not found ", id); return 1; } |
ca75b20eb mtdparts: add new... |
1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 |
#if defined(CONFIG_CMD_MTDPARTS_SPREAD) /** * Increase the size of the given partition so that it's net size is at least * as large as the size member and such that the next partition would start on a * good block if it were adjacent to this partition. * * @param mtd the mtd device * @param part the partition * @param next_offset pointer to the offset of the next partition after this * partition's size has been modified (output) */ static void spread_partition(struct mtd_info *mtd, struct part_info *part, uint64_t *next_offset) { uint64_t net_size, padding_size = 0; int truncated; mtd_get_len_incl_bad(mtd, part->offset, part->size, &net_size, &truncated); /* * Absorb bad blocks immediately following this * partition also into the partition, such that * the next partition starts with a good block. */ if (!truncated) { mtd_get_len_incl_bad(mtd, part->offset + net_size, mtd->erasesize, &padding_size, &truncated); if (truncated) padding_size = 0; else padding_size -= mtd->erasesize; } if (truncated) { printf("truncated partition %s to %lld bytes ", part->name, (uint64_t) net_size + padding_size); } part->size = net_size + padding_size; *next_offset = part->offset + part->size; } /** * Adjust all of the partition sizes, such that all partitions are at least * as big as their mtdparts environment variable sizes and they each start * on a good block. * * @return 0 on success, 1 otherwise */ static int spread_partitions(void) { struct list_head *dentry, *pentry; struct mtd_device *dev; struct part_info *part; struct mtd_info *mtd; int part_num; uint64_t cur_offs; list_for_each(dentry, &devices) { dev = list_entry(dentry, struct mtd_device, link); if (get_mtd_info(dev->id->type, dev->id->num, &mtd)) return 1; part_num = 0; cur_offs = 0; list_for_each(pentry, &dev->parts) { part = list_entry(pentry, struct part_info, link); debug("spread_partitions: device = %s%d, partition %d =" |
59441ac3c mtd: fix compiler... |
1578 1579 |
" (%s) 0x%08llx@0x%08llx ", |
ca75b20eb mtdparts: add new... |
1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 |
MTD_DEV_TYPE(dev->id->type), dev->id->num, part_num, part->name, part->size, part->offset); if (cur_offs > part->offset) part->offset = cur_offs; spread_partition(mtd, part, &cur_offs); part_num++; } } index_partitions(); if (generate_mtdparts_save(last_parts, MTDPARTS_MAXLEN) != 0) { |
a22bf16be cmd_mtdparts.c: C... |
1596 1597 |
printf("generated mtdparts too long, resetting to null "); |
ca75b20eb mtdparts: add new... |
1598 1599 1600 1601 1602 |
return 1; } return 0; } #endif /* CONFIG_CMD_MTDPARTS_SPREAD */ |
68d7d6510 Separate mtdparts... |
1603 |
/** |
1c2a262a9 cmd: mtdparts: co... |
1604 1605 1606 1607 1608 1609 1610 |
* The mtdparts variable tends to be long. If we need to access it * before the env is relocated, then we need to use our own stack * buffer. gd->env_buf will be too small. * * @param buf temporary buffer pointer MTDPARTS_MAXLEN long * @return mtdparts variable string, NULL if not found */ |
723806cc5 env: Rename some ... |
1611 |
static const char *env_get_mtdparts(char *buf) |
1c2a262a9 cmd: mtdparts: co... |
1612 1613 |
{ if (gd->flags & GD_FLG_ENV_READY) |
00caae6d4 env: Rename geten... |
1614 1615 |
return env_get("mtdparts"); if (env_get_f("mtdparts", buf, MTDPARTS_MAXLEN) != -1) |
1c2a262a9 cmd: mtdparts: co... |
1616 1617 1618 1619 1620 |
return buf; return NULL; } /** |
68d7d6510 Separate mtdparts... |
1621 1622 1623 1624 1625 1626 1627 1628 |
* Accept character string describing mtd partitions and call device_parse() * for each entry. Add created devices to the global devices list. * * @param mtdparts string specifing mtd partitions * @return 0 on success, 1 otherwise */ static int parse_mtdparts(const char *const mtdparts) { |
06a040a31 cmd: mtdparts: fi... |
1629 |
const char *p; |
68d7d6510 Separate mtdparts... |
1630 1631 |
struct mtd_device *dev; int err = 1; |
a7eb1d66c mtd: Make mtdpart... |
1632 |
char tmp_parts[MTDPARTS_MAXLEN]; |
68d7d6510 Separate mtdparts... |
1633 |
|
1aca4d5ae cmd: mtdparts: fi... |
1634 1635 1636 1637 1638 |
debug(" ---parse_mtdparts--- mtdparts = %s ", mtdparts); |
68d7d6510 Separate mtdparts... |
1639 1640 1641 1642 1643 1644 1645 1646 1647 |
/* delete all devices and partitions */ if (mtd_devices_init() != 0) { printf("could not initialise device list "); return err; } /* re-read 'mtdparts' variable, mtd_devices_init may be updating env */ |
723806cc5 env: Rename some ... |
1648 |
p = env_get_mtdparts(tmp_parts); |
06a040a31 cmd: mtdparts: fi... |
1649 1650 |
if (!p) p = mtdparts; |
d60aea94e cmd: mtdparts: re... |
1651 1652 1653 |
/* Skip the useless prefix, if any */ if (strncmp(p, "mtdparts=", 9) == 0) p += 9; |
68d7d6510 Separate mtdparts... |
1654 |
|
06a040a31 cmd: mtdparts: fi... |
1655 |
while (*p != '\0') { |
68d7d6510 Separate mtdparts... |
1656 |
err = 1; |
e67489612 MLK-22259-2: cmd:... |
1657 1658 1659 1660 1661 1662 1663 |
#ifdef CONFIG_MTDPARTS_SKIP_INVALID if (!find_seperator(&p, ';', skip_counter, MTDPARTS_MAXLEN)) { printf("goes wrong when skip invalid parts "); return 1; } #endif |
68d7d6510 Separate mtdparts... |
1664 1665 |
if ((device_parse(p, &p, &dev) != 0) || (!dev)) break; |
e1d2950d0 mtdparts: get rid... |
1666 1667 |
debug("+ device: %s\t%d\t%s ", MTD_DEV_TYPE(dev->id->type), |
68d7d6510 Separate mtdparts... |
1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 |
dev->id->num, dev->id->mtd_id); /* check if parsed device is already on the list */ if (device_find(dev->id->type, dev->id->num) != NULL) { printf("device %s%d redefined, please correct mtdparts variable ", MTD_DEV_TYPE(dev->id->type), dev->id->num); break; } list_add_tail(&dev->link, &devices); err = 0; } |
54f1792c8 mtdparts: Fix var... |
1681 1682 |
if (err == 1) { free(dev); |
68d7d6510 Separate mtdparts... |
1683 |
device_delall(&devices); |
54f1792c8 mtdparts: Fix var... |
1684 |
} |
68d7d6510 Separate mtdparts... |
1685 |
|
06a040a31 cmd: mtdparts: fi... |
1686 |
return err; |
68d7d6510 Separate mtdparts... |
1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 |
} /** * Parse provided string describing mtdids mapping (see file header for mtdids * variable format). Allocate memory for each entry and add all found entries * to the global mtdids list. * * @param ids mapping string * @return 0 on success, 1 otherwise */ static int parse_mtdids(const char *const ids) { const char *p = ids; const char *mtd_id; int mtd_id_len; struct mtdids *id; struct list_head *entry, *n; struct mtdids *id_tmp; u8 type, num; |
39ac34473 cmd_mtdparts: use... |
1706 |
u64 size; |
68d7d6510 Separate mtdparts... |
1707 |
int ret = 1; |
e1d2950d0 mtdparts: get rid... |
1708 1709 1710 1711 1712 |
debug(" ---parse_mtdids--- mtdids = %s ", ids); |
68d7d6510 Separate mtdparts... |
1713 1714 1715 1716 |
/* clean global mtdids list */ list_for_each_safe(entry, n, &mtdids) { id_tmp = list_entry(entry, struct mtdids, link); |
e1d2950d0 mtdparts: get rid... |
1717 1718 |
debug("mtdids del: %d %d ", id_tmp->type, id_tmp->num); |
68d7d6510 Separate mtdparts... |
1719 1720 1721 1722 1723 1724 1725 1726 1727 |
list_del(entry); free(id_tmp); } last_ids[0] = '\0'; INIT_LIST_HEAD(&mtdids); while(p && (*p != '\0')) { ret = 1; |
00ac922db cmd: mtdparts: ac... |
1728 |
/* parse 'nor'|'nand'|'onenand'|'spi-nand'<dev-num> */ |
68d7d6510 Separate mtdparts... |
1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 |
if (mtd_id_parse(p, &p, &type, &num) != 0) break; if (*p != '=') { printf("mtdids: incorrect <dev-num> "); break; } p++; /* check if requested device exists */ |
e67489612 MLK-22259-2: cmd:... |
1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 |
if (mtd_device_validate(type, num, &size) != 0) { #ifdef CONFIG_MTDPARTS_SKIP_INVALID if (find_seperator(&p, ',', 1, MTDIDS_MAXLEN)) { printf("current device is invalid, skip it and check the next one "); skip_counter++; continue; } else { printf("the only deivce is invalid "); return 1; } #else |
68d7d6510 Separate mtdparts... |
1753 |
return 1; |
e67489612 MLK-22259-2: cmd:... |
1754 1755 |
#endif } |
68d7d6510 Separate mtdparts... |
1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 |
/* locate <mtd-id> */ mtd_id = p; if ((p = strchr(mtd_id, ',')) != NULL) { mtd_id_len = p - mtd_id + 1; p++; } else { mtd_id_len = strlen(mtd_id) + 1; } if (mtd_id_len == 0) { printf("mtdids: no <mtd-id> identifier "); break; } /* check if this id is already on the list */ int double_entry = 0; list_for_each(entry, &mtdids) { id_tmp = list_entry(entry, struct mtdids, link); if ((id_tmp->type == type) && (id_tmp->num == num)) { double_entry = 1; break; } } if (double_entry) { printf("device id %s%d redefined, please correct mtdids variable ", MTD_DEV_TYPE(type), num); break; } /* allocate mtdids structure */ if (!(id = (struct mtdids *)malloc(sizeof(struct mtdids) + mtd_id_len))) { printf("out of memory "); break; } memset(id, 0, sizeof(struct mtdids) + mtd_id_len); id->num = num; id->type = type; id->size = size; id->mtd_id = (char *)(id + 1); strncpy(id->mtd_id, mtd_id, mtd_id_len - 1); id->mtd_id[mtd_id_len - 1] = '\0'; INIT_LIST_HEAD(&id->link); |
39ac34473 cmd_mtdparts: use... |
1801 1802 |
debug("+ id %s%d\t%16lld bytes\t%s ", |
68d7d6510 Separate mtdparts... |
1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 |
MTD_DEV_TYPE(id->type), id->num, id->size, id->mtd_id); list_add_tail(&id->link, &mtdids); ret = 0; } if (ret == 1) { /* clean mtdids list and free allocated memory */ list_for_each_safe(entry, n, &mtdids) { id_tmp = list_entry(entry, struct mtdids, link); list_del(entry); free(id_tmp); } return 1; } return 0; } |
1c2a262a9 cmd: mtdparts: co... |
1821 |
|
68d7d6510 Separate mtdparts... |
1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 |
/** * Parse and initialize global mtdids mapping and create global * device/partition list. * * @return 0 on success, 1 otherwise */ int mtdparts_init(void) { static int initialized = 0; const char *ids, *parts; const char *current_partition; int ids_changed; |
bc028345a mtdparts: Fix fin... |
1834 |
char tmp_ep[PARTITION_MAXLEN + 1]; |
a7eb1d66c mtd: Make mtdpart... |
1835 |
char tmp_parts[MTDPARTS_MAXLEN]; |
68d7d6510 Separate mtdparts... |
1836 |
|
e1d2950d0 mtdparts: get rid... |
1837 1838 1839 |
debug(" ---mtdparts_init--- "); |
68d7d6510 Separate mtdparts... |
1840 1841 1842 |
if (!initialized) { INIT_LIST_HEAD(&mtdids); INIT_LIST_HEAD(&devices); |
54f1792c8 mtdparts: Fix var... |
1843 1844 1845 |
memset(last_ids, 0, sizeof(last_ids)); memset(last_parts, 0, sizeof(last_parts)); memset(last_partition, 0, sizeof(last_partition)); |
af3244365 cmd: mtdparts: su... |
1846 1847 1848 |
#if defined(CONFIG_SYS_MTDPARTS_RUNTIME) board_mtdparts_default(&mtdids_default, &mtdparts_default); #endif |
f8f744a3e cmd: mtdparts: us... |
1849 |
use_defaults = 1; |
68d7d6510 Separate mtdparts... |
1850 1851 1852 1853 |
initialized = 1; } /* get variables */ |
00caae6d4 env: Rename geten... |
1854 |
ids = env_get("mtdids"); |
723806cc5 env: Rename some ... |
1855 |
parts = env_get_mtdparts(tmp_parts); |
00caae6d4 env: Rename geten... |
1856 |
current_partition = env_get("partition"); |
68d7d6510 Separate mtdparts... |
1857 1858 1859 |
/* save it for later parsing, cannot rely on current partition pointer * as 'partition' variable may be updated during init */ |
bc028345a mtdparts: Fix fin... |
1860 |
memset(tmp_parts, 0, sizeof(tmp_parts)); |
8b3cec7da mtdparts: Fix uni... |
1861 |
memset(tmp_ep, 0, sizeof(tmp_ep)); |
68d7d6510 Separate mtdparts... |
1862 1863 |
if (current_partition) strncpy(tmp_ep, current_partition, PARTITION_MAXLEN); |
e1d2950d0 mtdparts: get rid... |
1864 1865 1866 1867 1868 1869 1870 1871 1872 |
debug("last_ids : %s ", last_ids); debug("env_ids : %s ", ids); debug("last_parts: %s ", last_parts); debug("env_parts : %s ", parts); |
68d7d6510 Separate mtdparts... |
1873 |
|
e1d2950d0 mtdparts: get rid... |
1874 1875 1876 1877 |
debug("last_partition : %s ", last_partition); debug("env_partition : %s ", current_partition); |
68d7d6510 Separate mtdparts... |
1878 |
|
1cc0a9f49 Fix various typos... |
1879 |
/* if mtdids variable is empty try to use defaults */ |
68d7d6510 Separate mtdparts... |
1880 1881 |
if (!ids) { if (mtdids_default) { |
e1d2950d0 mtdparts: get rid... |
1882 1883 |
debug("mtdids variable not defined, using default "); |
68d7d6510 Separate mtdparts... |
1884 |
ids = mtdids_default; |
382bee57f env: Rename seten... |
1885 |
env_set("mtdids", (char *)ids); |
68d7d6510 Separate mtdparts... |
1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 |
} else { printf("mtdids not defined, no default present "); return 1; } } if (strlen(ids) > MTDIDS_MAXLEN - 1) { printf("mtdids too long (> %d) ", MTDIDS_MAXLEN); return 1; } |
f8f744a3e cmd: mtdparts: us... |
1897 1898 1899 1900 1901 |
/* use defaults when mtdparts variable is not defined * once mtdparts is saved environment, drop use_defaults flag */ if (!parts) { if (mtdparts_default && use_defaults) { parts = mtdparts_default; |
382bee57f env: Rename seten... |
1902 |
if (env_set("mtdparts", (char *)parts) == 0) |
f8f744a3e cmd: mtdparts: us... |
1903 1904 1905 1906 1907 |
use_defaults = 0; } else printf("mtdparts variable not set, see 'help mtdparts' "); } |
68d7d6510 Separate mtdparts... |
1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 |
if (parts && (strlen(parts) > MTDPARTS_MAXLEN - 1)) { printf("mtdparts too long (> %d) ", MTDPARTS_MAXLEN); return 1; } /* check if we have already parsed those mtdids */ if ((last_ids[0] != '\0') && (strcmp(last_ids, ids) == 0)) { ids_changed = 0; } else { ids_changed = 1; if (parse_mtdids(ids) != 0) { mtd_devices_init(); return 1; } /* ok it's good, save new ids */ strncpy(last_ids, ids, MTDIDS_MAXLEN); } /* parse partitions if either mtdparts or mtdids were updated */ if (parts && ((last_parts[0] == '\0') || ((strcmp(last_parts, parts) != 0)) || ids_changed)) { if (parse_mtdparts(parts) != 0) return 1; if (list_empty(&devices)) { printf("mtdparts_init: no valid partitions "); return 1; } /* ok it's good, save new parts */ strncpy(last_parts, parts, MTDPARTS_MAXLEN); /* reset first partition from first dev from the list as current */ |
76b5883da jffs2/mtdparts: F... |
1945 1946 |
current_mtd_dev = list_entry(devices.next, struct mtd_device, link); current_mtd_partnum = 0; |
68d7d6510 Separate mtdparts... |
1947 |
current_save(); |
e1d2950d0 mtdparts: get rid... |
1948 1949 |
debug("mtdparts_init: current_mtd_dev = %s%d, current_mtd_partnum = %d ", |
76b5883da jffs2/mtdparts: F... |
1950 1951 |
MTD_DEV_TYPE(current_mtd_dev->id->type), current_mtd_dev->id->num, current_mtd_partnum); |
68d7d6510 Separate mtdparts... |
1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 |
} /* mtdparts variable was reset to NULL, delete all devices/partitions */ if (!parts && (last_parts[0] != '\0')) return mtd_devices_init(); /* do not process current partition if mtdparts variable is null */ if (!parts) return 0; /* is current partition set in environment? if so, use it */ if ((tmp_ep[0] != '\0') && (strcmp(tmp_ep, last_partition) != 0)) { struct part_info *p; struct mtd_device *cdev; u8 pnum; |
e1d2950d0 mtdparts: get rid... |
1967 1968 |
debug("--- getting current partition: %s ", tmp_ep); |
68d7d6510 Separate mtdparts... |
1969 1970 |
if (find_dev_and_part(tmp_ep, &cdev, &pnum, &p) == 0) { |
76b5883da jffs2/mtdparts: F... |
1971 1972 |
current_mtd_dev = cdev; current_mtd_partnum = pnum; |
68d7d6510 Separate mtdparts... |
1973 1974 |
current_save(); } |
00caae6d4 env: Rename geten... |
1975 |
} else if (env_get("partition") == NULL) { |
e1d2950d0 mtdparts: get rid... |
1976 1977 |
debug("no partition variable set, setting... "); |
68d7d6510 Separate mtdparts... |
1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 |
current_save(); } return 0; } /** * 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* mtd_part_info(struct mtd_device *dev, unsigned int part_num) { struct list_head *entry; struct part_info *part; int num; if (!dev) return NULL; |
e1d2950d0 mtdparts: get rid... |
2000 2001 2002 |
debug(" --- mtd_part_info: partition number %d for device %s%d (%s) ", |
68d7d6510 Separate mtdparts... |
2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 |
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) ", 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; } /***************************************************/ |
a187559e3 Use correct spell... |
2028 |
/* U-Boot commands */ |
68d7d6510 Separate mtdparts... |
2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 |
/***************************************************/ /* command line only */ /** * Routine implementing u-boot chpart command. Sets new current partition based * on the user supplied partition id. For partition id format see find_dev_and_part(). * * @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 */ |
088f1b199 common/cmd_*.c: s... |
2041 |
static int do_chpart(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
68d7d6510 Separate mtdparts... |
2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 |
{ /* command line only */ struct mtd_device *dev; struct part_info *part; u8 pnum; if (mtdparts_init() !=0) return 1; if (argc < 2) { printf("no partition id specified "); return 1; } if (find_dev_and_part(argv[1], &dev, &pnum, &part) != 0) return 1; |
76b5883da jffs2/mtdparts: F... |
2059 2060 |
current_mtd_dev = dev; current_mtd_partnum = pnum; |
68d7d6510 Separate mtdparts... |
2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 |
current_save(); printf("partition changed to %s%d,%d ", MTD_DEV_TYPE(dev->id->type), dev->id->num, pnum); return 0; } /** * Routine implementing u-boot mtdparts command. Initialize/update default global * partition list and process user partition request (list, add, del). * * @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 */ |
088f1b199 common/cmd_*.c: s... |
2080 2081 |
static int do_mtdparts(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
68d7d6510 Separate mtdparts... |
2082 2083 2084 |
{ if (argc == 2) { if (strcmp(argv[1], "default") == 0) { |
382bee57f env: Rename seten... |
2085 2086 2087 |
env_set("mtdids", NULL); env_set("mtdparts", NULL); env_set("partition", NULL); |
f8f744a3e cmd: mtdparts: us... |
2088 |
use_defaults = 1; |
68d7d6510 Separate mtdparts... |
2089 2090 2091 2092 2093 2094 |
mtdparts_init(); return 0; } else if (strcmp(argv[1], "delall") == 0) { /* this may be the first run, initialize lists if needed */ mtdparts_init(); |
382bee57f env: Rename seten... |
2095 |
env_set("mtdparts", NULL); |
68d7d6510 Separate mtdparts... |
2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 |
/* mtd_devices_init() calls current_save() */ return mtd_devices_init(); } } /* make sure we are in sync with env variables */ if (mtdparts_init() != 0) return 1; if (argc == 1) { list_partitions(); return 0; } /* mtdparts add <mtd-dev> <size>[@<offset>] <name> [ro] */ |
59a50d2de mtdparts: new add... |
2112 |
if (((argc == 5) || (argc == 6)) && (strncmp(argv[1], "add", 3) == 0)) { |
68d7d6510 Separate mtdparts... |
2113 2114 |
#define PART_ADD_DESC_MAXLEN 64 char tmpbuf[PART_ADD_DESC_MAXLEN]; |
59a50d2de mtdparts: new add... |
2115 2116 2117 2118 |
#if defined(CONFIG_CMD_MTDPARTS_SPREAD) struct mtd_info *mtd; uint64_t next_offset; #endif |
68d7d6510 Separate mtdparts... |
2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 |
u8 type, num, len; struct mtd_device *dev; struct mtd_device *dev_tmp; struct mtdids *id; struct part_info *p; if (mtd_id_parse(argv[2], NULL, &type, &num) != 0) return 1; if ((id = id_find(type, num)) == NULL) { printf("no such device %s defined in mtdids variable ", argv[2]); return 1; } len = strlen(id->mtd_id) + 1; /* 'mtd_id:' */ len += strlen(argv[3]); /* size@offset */ len += strlen(argv[4]) + 2; /* '(' name ')' */ if (argv[5] && (strlen(argv[5]) == 2)) len += 2; /* 'ro' */ if (len >= PART_ADD_DESC_MAXLEN) { printf("too long partition description "); return 1; } sprintf(tmpbuf, "%s:%s(%s)%s", id->mtd_id, argv[3], argv[4], argv[5] ? argv[5] : ""); |
e1d2950d0 mtdparts: get rid... |
2147 2148 |
debug("add tmpbuf: %s ", tmpbuf); |
68d7d6510 Separate mtdparts... |
2149 2150 2151 |
if ((device_parse(tmpbuf, NULL, &dev) != 0) || (!dev)) return 1; |
e1d2950d0 mtdparts: get rid... |
2152 2153 |
debug("+ %s\t%d\t%s ", MTD_DEV_TYPE(dev->id->type), |
68d7d6510 Separate mtdparts... |
2154 |
dev->id->num, dev->id->mtd_id); |
59a50d2de mtdparts: new add... |
2155 2156 2157 2158 2159 2160 2161 2162 |
p = list_entry(dev->parts.next, struct part_info, link); #if defined(CONFIG_CMD_MTDPARTS_SPREAD) if (get_mtd_info(dev->id->type, dev->id->num, &mtd)) return 1; if (!strcmp(&argv[1][3], ".spread")) { spread_partition(mtd, p, &next_offset); |
59441ac3c mtd: fix compiler... |
2163 2164 |
debug("increased %s to %llu bytes ", p->name, p->size); |
59a50d2de mtdparts: new add... |
2165 2166 2167 2168 2169 |
} #endif dev_tmp = device_find(dev->id->type, dev->id->num); if (dev_tmp == NULL) { |
68d7d6510 Separate mtdparts... |
2170 |
device_add(dev); |
59a50d2de mtdparts: new add... |
2171 |
} else if (part_add(dev_tmp, p) != 0) { |
68d7d6510 Separate mtdparts... |
2172 |
/* merge new partition with existing ones*/ |
59a50d2de mtdparts: new add... |
2173 2174 |
device_del(dev); return 1; |
68d7d6510 Separate mtdparts... |
2175 2176 2177 |
} if (generate_mtdparts_save(last_parts, MTDPARTS_MAXLEN) != 0) { |
a22bf16be cmd_mtdparts.c: C... |
2178 2179 |
printf("generated mtdparts too long, resetting to null "); |
68d7d6510 Separate mtdparts... |
2180 2181 2182 2183 2184 2185 2186 2187 |
return 1; } return 0; } /* mtdparts del part-id */ if ((argc == 3) && (strcmp(argv[1], "del") == 0)) { |
e1d2950d0 mtdparts: get rid... |
2188 2189 |
debug("del: part-id = %s ", argv[2]); |
68d7d6510 Separate mtdparts... |
2190 2191 2192 |
return delete_partition(argv[2]); } |
ca75b20eb mtdparts: add new... |
2193 2194 2195 2196 |
#if defined(CONFIG_CMD_MTDPARTS_SPREAD) if ((argc == 2) && (strcmp(argv[1], "spread") == 0)) return spread_partitions(); #endif /* CONFIG_CMD_MTDPARTS_SPREAD */ |
4c12eeb8b Convert cmd_usage... |
2197 |
return CMD_RET_USAGE; |
68d7d6510 Separate mtdparts... |
2198 2199 2200 2201 2202 2203 2204 2205 |
} /***************************************************/ U_BOOT_CMD( chpart, 2, 0, do_chpart, "change active partition", "part-id " |
a89c33db9 General help mess... |
2206 |
" - change active partition (e.g. part-id = nand0,1)" |
68d7d6510 Separate mtdparts... |
2207 |
); |
088f1b199 common/cmd_*.c: s... |
2208 2209 |
#ifdef CONFIG_SYS_LONGHELP static char mtdparts_help_text[] = |
68d7d6510 Separate mtdparts... |
2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 |
" " " - list partition table " "mtdparts delall " " - delete all partitions " "mtdparts del part-id " " - delete partition (e.g. part-id = nand0,1) " "mtdparts add <mtd-dev> <size>[@<offset>] [<name>] [ro] " " - add partition " |
59a50d2de mtdparts: new add... |
2226 2227 2228 2229 2230 2231 |
#if defined(CONFIG_CMD_MTDPARTS_SPREAD) "mtdparts add.spread <mtd-dev> <size>[@<offset>] [<name>] [ro] " " - add partition, padding size by skipping bad blocks " #endif |
68d7d6510 Separate mtdparts... |
2232 2233 |
"mtdparts default " |
ca75b20eb mtdparts: add new... |
2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 |
" - reset partition table to defaults " #if defined(CONFIG_CMD_MTDPARTS_SPREAD) "mtdparts spread " " - adjust the sizes of the partitions so they are " " at least as big as the mtdparts variable specifies " " and they each start on a good block " #else " " #endif /* CONFIG_CMD_MTDPARTS_SPREAD */ |
68d7d6510 Separate mtdparts... |
2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 |
"----- " "this command uses three environment variables: " "'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> " |
00ac922db cmd: mtdparts: ac... |
2272 2273 |
"<dev-id> := 'nand'|'nor'|'onenand'|'spi-nand'<dev-num> " |
68d7d6510 Separate mtdparts... |
2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 |
"<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 ')' " |
088f1b199 common/cmd_*.c: s... |
2297 2298 2299 2300 2301 2302 |
"<ro-flag> := when set to 'ro' makes partition read-only (not used, passed to kernel)"; #endif U_BOOT_CMD( mtdparts, 6, 0, do_mtdparts, "define flash/nand partitions", mtdparts_help_text |
68d7d6510 Separate mtdparts... |
2303 2304 |
); /***************************************************/ |