1*2e192b24SSimon Glass /* 2*2e192b24SSimon Glass * (C) Copyright 2002 3*2e192b24SSimon Glass * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4*2e192b24SSimon Glass * 5*2e192b24SSimon Glass * (C) Copyright 2002 6*2e192b24SSimon Glass * Robert Schwebel, Pengutronix, <r.schwebel@pengutronix.de> 7*2e192b24SSimon Glass * 8*2e192b24SSimon Glass * (C) Copyright 2003 9*2e192b24SSimon Glass * Kai-Uwe Bloem, Auerswald GmbH & Co KG, <linux-development@auerswald.de> 10*2e192b24SSimon Glass * 11*2e192b24SSimon Glass * (C) Copyright 2005 12*2e192b24SSimon Glass * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 13*2e192b24SSimon Glass * 14*2e192b24SSimon Glass * Added support for reading flash partition table from environment. 15*2e192b24SSimon Glass * Parsing routines are based on driver/mtd/cmdline.c from the linux 2.4 16*2e192b24SSimon Glass * kernel tree. 17*2e192b24SSimon Glass * 18*2e192b24SSimon Glass * $Id: cmdlinepart.c,v 1.17 2004/11/26 11:18:47 lavinen Exp $ 19*2e192b24SSimon Glass * Copyright 2002 SYSGO Real-Time Solutions GmbH 20*2e192b24SSimon Glass * 21*2e192b24SSimon Glass * SPDX-License-Identifier: GPL-2.0+ 22*2e192b24SSimon Glass */ 23*2e192b24SSimon Glass 24*2e192b24SSimon Glass /* 25*2e192b24SSimon Glass * Three environment variables are used by the parsing routines: 26*2e192b24SSimon Glass * 27*2e192b24SSimon Glass * 'partition' - keeps current partition identifier 28*2e192b24SSimon Glass * 29*2e192b24SSimon Glass * partition := <part-id> 30*2e192b24SSimon Glass * <part-id> := <dev-id>,part_num 31*2e192b24SSimon Glass * 32*2e192b24SSimon Glass * 33*2e192b24SSimon Glass * 'mtdids' - linux kernel mtd device id <-> u-boot device id mapping 34*2e192b24SSimon Glass * 35*2e192b24SSimon Glass * mtdids=<idmap>[,<idmap>,...] 36*2e192b24SSimon Glass * 37*2e192b24SSimon Glass * <idmap> := <dev-id>=<mtd-id> 38*2e192b24SSimon Glass * <dev-id> := 'nand'|'nor'|'onenand'<dev-num> 39*2e192b24SSimon Glass * <dev-num> := mtd device number, 0... 40*2e192b24SSimon Glass * <mtd-id> := unique device tag used by linux kernel to find mtd device (mtd->name) 41*2e192b24SSimon Glass * 42*2e192b24SSimon Glass * 43*2e192b24SSimon Glass * 'mtdparts' - partition list 44*2e192b24SSimon Glass * 45*2e192b24SSimon Glass * mtdparts=mtdparts=<mtd-def>[;<mtd-def>...] 46*2e192b24SSimon Glass * 47*2e192b24SSimon Glass * <mtd-def> := <mtd-id>:<part-def>[,<part-def>...] 48*2e192b24SSimon Glass * <mtd-id> := unique device tag used by linux kernel to find mtd device (mtd->name) 49*2e192b24SSimon Glass * <part-def> := <size>[@<offset>][<name>][<ro-flag>] 50*2e192b24SSimon Glass * <size> := standard linux memsize OR '-' to denote all remaining space 51*2e192b24SSimon Glass * <offset> := partition start offset within the device 52*2e192b24SSimon Glass * <name> := '(' NAME ')' 53*2e192b24SSimon Glass * <ro-flag> := when set to 'ro' makes partition read-only (not used, passed to kernel) 54*2e192b24SSimon Glass * 55*2e192b24SSimon Glass * Notes: 56*2e192b24SSimon Glass * - each <mtd-id> used in mtdparts must albo exist in 'mtddis' mapping 57*2e192b24SSimon Glass * - if the above variables are not set defaults for a given target are used 58*2e192b24SSimon Glass * 59*2e192b24SSimon Glass * Examples: 60*2e192b24SSimon Glass * 61*2e192b24SSimon Glass * 1 NOR Flash, with 1 single writable partition: 62*2e192b24SSimon Glass * mtdids=nor0=edb7312-nor 63*2e192b24SSimon Glass * mtdparts=mtdparts=edb7312-nor:- 64*2e192b24SSimon Glass * 65*2e192b24SSimon Glass * 1 NOR Flash with 2 partitions, 1 NAND with one 66*2e192b24SSimon Glass * mtdids=nor0=edb7312-nor,nand0=edb7312-nand 67*2e192b24SSimon Glass * mtdparts=mtdparts=edb7312-nor:256k(ARMboot)ro,-(root);edb7312-nand:-(home) 68*2e192b24SSimon Glass * 69*2e192b24SSimon Glass */ 70*2e192b24SSimon Glass 71*2e192b24SSimon Glass /* 72*2e192b24SSimon Glass * JFFS2/CRAMFS support 73*2e192b24SSimon Glass */ 74*2e192b24SSimon Glass #include <common.h> 75*2e192b24SSimon Glass #include <command.h> 76*2e192b24SSimon Glass #include <malloc.h> 77*2e192b24SSimon Glass #include <jffs2/jffs2.h> 78*2e192b24SSimon Glass #include <linux/list.h> 79*2e192b24SSimon Glass #include <linux/ctype.h> 80*2e192b24SSimon Glass #include <cramfs/cramfs_fs.h> 81*2e192b24SSimon Glass 82*2e192b24SSimon Glass #if defined(CONFIG_CMD_NAND) 83*2e192b24SSimon Glass #include <linux/mtd/nand.h> 84*2e192b24SSimon Glass #include <nand.h> 85*2e192b24SSimon Glass #endif 86*2e192b24SSimon Glass 87*2e192b24SSimon Glass #if defined(CONFIG_CMD_ONENAND) 88*2e192b24SSimon Glass #include <linux/mtd/mtd.h> 89*2e192b24SSimon Glass #include <linux/mtd/onenand.h> 90*2e192b24SSimon Glass #include <onenand_uboot.h> 91*2e192b24SSimon Glass #endif 92*2e192b24SSimon Glass 93*2e192b24SSimon Glass /* enable/disable debugging messages */ 94*2e192b24SSimon Glass #define DEBUG_JFFS 95*2e192b24SSimon Glass #undef DEBUG_JFFS 96*2e192b24SSimon Glass 97*2e192b24SSimon Glass #ifdef DEBUG_JFFS 98*2e192b24SSimon Glass # define DEBUGF(fmt, args...) printf(fmt ,##args) 99*2e192b24SSimon Glass #else 100*2e192b24SSimon Glass # define DEBUGF(fmt, args...) 101*2e192b24SSimon Glass #endif 102*2e192b24SSimon Glass 103*2e192b24SSimon Glass /* special size referring to all the remaining space in a partition */ 104*2e192b24SSimon Glass #define SIZE_REMAINING 0xFFFFFFFF 105*2e192b24SSimon Glass 106*2e192b24SSimon Glass /* special offset value, it is used when not provided by user 107*2e192b24SSimon Glass * 108*2e192b24SSimon Glass * this value is used temporarily during parsing, later such offests 109*2e192b24SSimon Glass * are recalculated */ 110*2e192b24SSimon Glass #define OFFSET_NOT_SPECIFIED 0xFFFFFFFF 111*2e192b24SSimon Glass 112*2e192b24SSimon Glass /* minimum partition size */ 113*2e192b24SSimon Glass #define MIN_PART_SIZE 4096 114*2e192b24SSimon Glass 115*2e192b24SSimon Glass /* this flag needs to be set in part_info struct mask_flags 116*2e192b24SSimon Glass * field for read-only partitions */ 117*2e192b24SSimon Glass #define MTD_WRITEABLE_CMD 1 118*2e192b24SSimon Glass 119*2e192b24SSimon Glass /* current active device and partition number */ 120*2e192b24SSimon Glass #ifdef CONFIG_CMD_MTDPARTS 121*2e192b24SSimon Glass /* Use the ones declared in cmd_mtdparts.c */ 122*2e192b24SSimon Glass extern struct mtd_device *current_mtd_dev; 123*2e192b24SSimon Glass extern u8 current_mtd_partnum; 124*2e192b24SSimon Glass #else 125*2e192b24SSimon Glass /* Use local ones */ 126*2e192b24SSimon Glass struct mtd_device *current_mtd_dev = NULL; 127*2e192b24SSimon Glass u8 current_mtd_partnum = 0; 128*2e192b24SSimon Glass #endif 129*2e192b24SSimon Glass 130*2e192b24SSimon Glass #if defined(CONFIG_CMD_CRAMFS) 131*2e192b24SSimon Glass extern int cramfs_check (struct part_info *info); 132*2e192b24SSimon Glass extern int cramfs_load (char *loadoffset, struct part_info *info, char *filename); 133*2e192b24SSimon Glass extern int cramfs_ls (struct part_info *info, char *filename); 134*2e192b24SSimon Glass extern int cramfs_info (struct part_info *info); 135*2e192b24SSimon Glass #else 136*2e192b24SSimon Glass /* defining empty macros for function names is ugly but avoids ifdef clutter 137*2e192b24SSimon Glass * all over the code */ 138*2e192b24SSimon Glass #define cramfs_check(x) (0) 139*2e192b24SSimon Glass #define cramfs_load(x,y,z) (-1) 140*2e192b24SSimon Glass #define cramfs_ls(x,y) (0) 141*2e192b24SSimon Glass #define cramfs_info(x) (0) 142*2e192b24SSimon Glass #endif 143*2e192b24SSimon Glass 144*2e192b24SSimon Glass #ifndef CONFIG_CMD_MTDPARTS 145*2e192b24SSimon Glass /** 146*2e192b24SSimon Glass * Check device number to be within valid range for given device type. 147*2e192b24SSimon Glass * 148*2e192b24SSimon Glass * @param dev device to validate 149*2e192b24SSimon Glass * @return 0 if device is valid, 1 otherwise 150*2e192b24SSimon Glass */ 151*2e192b24SSimon Glass static int mtd_device_validate(u8 type, u8 num, u32 *size) 152*2e192b24SSimon Glass { 153*2e192b24SSimon Glass if (type == MTD_DEV_TYPE_NOR) { 154*2e192b24SSimon Glass #if defined(CONFIG_CMD_FLASH) 155*2e192b24SSimon Glass if (num < CONFIG_SYS_MAX_FLASH_BANKS) { 156*2e192b24SSimon Glass extern flash_info_t flash_info[]; 157*2e192b24SSimon Glass *size = flash_info[num].size; 158*2e192b24SSimon Glass 159*2e192b24SSimon Glass return 0; 160*2e192b24SSimon Glass } 161*2e192b24SSimon Glass 162*2e192b24SSimon Glass printf("no such FLASH device: %s%d (valid range 0 ... %d\n", 163*2e192b24SSimon Glass MTD_DEV_TYPE(type), num, CONFIG_SYS_MAX_FLASH_BANKS - 1); 164*2e192b24SSimon Glass #else 165*2e192b24SSimon Glass printf("support for FLASH devices not present\n"); 166*2e192b24SSimon Glass #endif 167*2e192b24SSimon Glass } else if (type == MTD_DEV_TYPE_NAND) { 168*2e192b24SSimon Glass #if defined(CONFIG_JFFS2_NAND) && defined(CONFIG_CMD_NAND) 169*2e192b24SSimon Glass if (num < CONFIG_SYS_MAX_NAND_DEVICE) { 170*2e192b24SSimon Glass *size = nand_info[num].size; 171*2e192b24SSimon Glass return 0; 172*2e192b24SSimon Glass } 173*2e192b24SSimon Glass 174*2e192b24SSimon Glass printf("no such NAND device: %s%d (valid range 0 ... %d)\n", 175*2e192b24SSimon Glass MTD_DEV_TYPE(type), num, CONFIG_SYS_MAX_NAND_DEVICE - 1); 176*2e192b24SSimon Glass #else 177*2e192b24SSimon Glass printf("support for NAND devices not present\n"); 178*2e192b24SSimon Glass #endif 179*2e192b24SSimon Glass } else if (type == MTD_DEV_TYPE_ONENAND) { 180*2e192b24SSimon Glass #if defined(CONFIG_CMD_ONENAND) 181*2e192b24SSimon Glass *size = onenand_mtd.size; 182*2e192b24SSimon Glass return 0; 183*2e192b24SSimon Glass #else 184*2e192b24SSimon Glass printf("support for OneNAND devices not present\n"); 185*2e192b24SSimon Glass #endif 186*2e192b24SSimon Glass } else 187*2e192b24SSimon Glass printf("Unknown defice type %d\n", type); 188*2e192b24SSimon Glass 189*2e192b24SSimon Glass return 1; 190*2e192b24SSimon Glass } 191*2e192b24SSimon Glass 192*2e192b24SSimon Glass /** 193*2e192b24SSimon Glass * Parse device id string <dev-id> := 'nand'|'nor'|'onenand'<dev-num>, 194*2e192b24SSimon Glass * return device type and number. 195*2e192b24SSimon Glass * 196*2e192b24SSimon Glass * @param id string describing device id 197*2e192b24SSimon Glass * @param ret_id output pointer to next char after parse completes (output) 198*2e192b24SSimon Glass * @param dev_type parsed device type (output) 199*2e192b24SSimon Glass * @param dev_num parsed device number (output) 200*2e192b24SSimon Glass * @return 0 on success, 1 otherwise 201*2e192b24SSimon Glass */ 202*2e192b24SSimon Glass static int mtd_id_parse(const char *id, const char **ret_id, u8 *dev_type, u8 *dev_num) 203*2e192b24SSimon Glass { 204*2e192b24SSimon Glass const char *p = id; 205*2e192b24SSimon Glass 206*2e192b24SSimon Glass *dev_type = 0; 207*2e192b24SSimon Glass if (strncmp(p, "nand", 4) == 0) { 208*2e192b24SSimon Glass *dev_type = MTD_DEV_TYPE_NAND; 209*2e192b24SSimon Glass p += 4; 210*2e192b24SSimon Glass } else if (strncmp(p, "nor", 3) == 0) { 211*2e192b24SSimon Glass *dev_type = MTD_DEV_TYPE_NOR; 212*2e192b24SSimon Glass p += 3; 213*2e192b24SSimon Glass } else if (strncmp(p, "onenand", 7) == 0) { 214*2e192b24SSimon Glass *dev_type = MTD_DEV_TYPE_ONENAND; 215*2e192b24SSimon Glass p += 7; 216*2e192b24SSimon Glass } else { 217*2e192b24SSimon Glass printf("incorrect device type in %s\n", id); 218*2e192b24SSimon Glass return 1; 219*2e192b24SSimon Glass } 220*2e192b24SSimon Glass 221*2e192b24SSimon Glass if (!isdigit(*p)) { 222*2e192b24SSimon Glass printf("incorrect device number in %s\n", id); 223*2e192b24SSimon Glass return 1; 224*2e192b24SSimon Glass } 225*2e192b24SSimon Glass 226*2e192b24SSimon Glass *dev_num = simple_strtoul(p, (char **)&p, 0); 227*2e192b24SSimon Glass if (ret_id) 228*2e192b24SSimon Glass *ret_id = p; 229*2e192b24SSimon Glass return 0; 230*2e192b24SSimon Glass } 231*2e192b24SSimon Glass 232*2e192b24SSimon Glass /* 233*2e192b24SSimon Glass * 'Static' version of command line mtdparts_init() routine. Single partition on 234*2e192b24SSimon Glass * a single device configuration. 235*2e192b24SSimon Glass */ 236*2e192b24SSimon Glass 237*2e192b24SSimon Glass /** 238*2e192b24SSimon Glass * Calculate sector size. 239*2e192b24SSimon Glass * 240*2e192b24SSimon Glass * @return sector size 241*2e192b24SSimon Glass */ 242*2e192b24SSimon Glass static inline u32 get_part_sector_size_nand(struct mtdids *id) 243*2e192b24SSimon Glass { 244*2e192b24SSimon Glass #if defined(CONFIG_JFFS2_NAND) && defined(CONFIG_CMD_NAND) 245*2e192b24SSimon Glass nand_info_t *nand; 246*2e192b24SSimon Glass 247*2e192b24SSimon Glass nand = &nand_info[id->num]; 248*2e192b24SSimon Glass 249*2e192b24SSimon Glass return nand->erasesize; 250*2e192b24SSimon Glass #else 251*2e192b24SSimon Glass BUG(); 252*2e192b24SSimon Glass return 0; 253*2e192b24SSimon Glass #endif 254*2e192b24SSimon Glass } 255*2e192b24SSimon Glass 256*2e192b24SSimon Glass static inline u32 get_part_sector_size_nor(struct mtdids *id, struct part_info *part) 257*2e192b24SSimon Glass { 258*2e192b24SSimon Glass #if defined(CONFIG_CMD_FLASH) 259*2e192b24SSimon Glass extern flash_info_t flash_info[]; 260*2e192b24SSimon Glass 261*2e192b24SSimon Glass u32 end_phys, start_phys, sector_size = 0, size = 0; 262*2e192b24SSimon Glass int i; 263*2e192b24SSimon Glass flash_info_t *flash; 264*2e192b24SSimon Glass 265*2e192b24SSimon Glass flash = &flash_info[id->num]; 266*2e192b24SSimon Glass 267*2e192b24SSimon Glass start_phys = flash->start[0] + part->offset; 268*2e192b24SSimon Glass end_phys = start_phys + part->size - 1; 269*2e192b24SSimon Glass 270*2e192b24SSimon Glass for (i = 0; i < flash->sector_count; i++) { 271*2e192b24SSimon Glass if (flash->start[i] >= end_phys) 272*2e192b24SSimon Glass break; 273*2e192b24SSimon Glass 274*2e192b24SSimon Glass if (flash->start[i] >= start_phys) { 275*2e192b24SSimon Glass if (i == flash->sector_count - 1) { 276*2e192b24SSimon Glass size = flash->start[0] + flash->size - flash->start[i]; 277*2e192b24SSimon Glass } else { 278*2e192b24SSimon Glass size = flash->start[i+1] - flash->start[i]; 279*2e192b24SSimon Glass } 280*2e192b24SSimon Glass 281*2e192b24SSimon Glass if (sector_size < size) 282*2e192b24SSimon Glass sector_size = size; 283*2e192b24SSimon Glass } 284*2e192b24SSimon Glass } 285*2e192b24SSimon Glass 286*2e192b24SSimon Glass return sector_size; 287*2e192b24SSimon Glass #else 288*2e192b24SSimon Glass BUG(); 289*2e192b24SSimon Glass return 0; 290*2e192b24SSimon Glass #endif 291*2e192b24SSimon Glass } 292*2e192b24SSimon Glass 293*2e192b24SSimon Glass static inline u32 get_part_sector_size_onenand(void) 294*2e192b24SSimon Glass { 295*2e192b24SSimon Glass #if defined(CONFIG_CMD_ONENAND) 296*2e192b24SSimon Glass struct mtd_info *mtd; 297*2e192b24SSimon Glass 298*2e192b24SSimon Glass mtd = &onenand_mtd; 299*2e192b24SSimon Glass 300*2e192b24SSimon Glass return mtd->erasesize; 301*2e192b24SSimon Glass #else 302*2e192b24SSimon Glass BUG(); 303*2e192b24SSimon Glass return 0; 304*2e192b24SSimon Glass #endif 305*2e192b24SSimon Glass } 306*2e192b24SSimon Glass 307*2e192b24SSimon Glass static inline u32 get_part_sector_size(struct mtdids *id, struct part_info *part) 308*2e192b24SSimon Glass { 309*2e192b24SSimon Glass if (id->type == MTD_DEV_TYPE_NAND) 310*2e192b24SSimon Glass return get_part_sector_size_nand(id); 311*2e192b24SSimon Glass else if (id->type == MTD_DEV_TYPE_NOR) 312*2e192b24SSimon Glass return get_part_sector_size_nor(id, part); 313*2e192b24SSimon Glass else if (id->type == MTD_DEV_TYPE_ONENAND) 314*2e192b24SSimon Glass return get_part_sector_size_onenand(); 315*2e192b24SSimon Glass else 316*2e192b24SSimon Glass DEBUGF("Error: Unknown device type.\n"); 317*2e192b24SSimon Glass 318*2e192b24SSimon Glass return 0; 319*2e192b24SSimon Glass } 320*2e192b24SSimon Glass 321*2e192b24SSimon Glass /** 322*2e192b24SSimon Glass * Parse and initialize global mtdids mapping and create global 323*2e192b24SSimon Glass * device/partition list. 324*2e192b24SSimon Glass * 325*2e192b24SSimon Glass * 'Static' version of command line mtdparts_init() routine. Single partition on 326*2e192b24SSimon Glass * a single device configuration. 327*2e192b24SSimon Glass * 328*2e192b24SSimon Glass * @return 0 on success, 1 otherwise 329*2e192b24SSimon Glass */ 330*2e192b24SSimon Glass int mtdparts_init(void) 331*2e192b24SSimon Glass { 332*2e192b24SSimon Glass static int initialized = 0; 333*2e192b24SSimon Glass u32 size; 334*2e192b24SSimon Glass char *dev_name; 335*2e192b24SSimon Glass 336*2e192b24SSimon Glass DEBUGF("\n---mtdparts_init---\n"); 337*2e192b24SSimon Glass if (!initialized) { 338*2e192b24SSimon Glass struct mtdids *id; 339*2e192b24SSimon Glass struct part_info *part; 340*2e192b24SSimon Glass 341*2e192b24SSimon Glass initialized = 1; 342*2e192b24SSimon Glass current_mtd_dev = (struct mtd_device *) 343*2e192b24SSimon Glass malloc(sizeof(struct mtd_device) + 344*2e192b24SSimon Glass sizeof(struct part_info) + 345*2e192b24SSimon Glass sizeof(struct mtdids)); 346*2e192b24SSimon Glass if (!current_mtd_dev) { 347*2e192b24SSimon Glass printf("out of memory\n"); 348*2e192b24SSimon Glass return 1; 349*2e192b24SSimon Glass } 350*2e192b24SSimon Glass memset(current_mtd_dev, 0, sizeof(struct mtd_device) + 351*2e192b24SSimon Glass sizeof(struct part_info) + sizeof(struct mtdids)); 352*2e192b24SSimon Glass 353*2e192b24SSimon Glass id = (struct mtdids *)(current_mtd_dev + 1); 354*2e192b24SSimon Glass part = (struct part_info *)(id + 1); 355*2e192b24SSimon Glass 356*2e192b24SSimon Glass /* id */ 357*2e192b24SSimon Glass id->mtd_id = "single part"; 358*2e192b24SSimon Glass 359*2e192b24SSimon Glass #if defined(CONFIG_JFFS2_DEV) 360*2e192b24SSimon Glass dev_name = CONFIG_JFFS2_DEV; 361*2e192b24SSimon Glass #else 362*2e192b24SSimon Glass dev_name = "nor0"; 363*2e192b24SSimon Glass #endif 364*2e192b24SSimon Glass 365*2e192b24SSimon Glass if ((mtd_id_parse(dev_name, NULL, &id->type, &id->num) != 0) || 366*2e192b24SSimon Glass (mtd_device_validate(id->type, id->num, &size) != 0)) { 367*2e192b24SSimon Glass printf("incorrect device: %s%d\n", MTD_DEV_TYPE(id->type), id->num); 368*2e192b24SSimon Glass free(current_mtd_dev); 369*2e192b24SSimon Glass return 1; 370*2e192b24SSimon Glass } 371*2e192b24SSimon Glass id->size = size; 372*2e192b24SSimon Glass INIT_LIST_HEAD(&id->link); 373*2e192b24SSimon Glass 374*2e192b24SSimon Glass DEBUGF("dev id: type = %d, num = %d, size = 0x%08lx, mtd_id = %s\n", 375*2e192b24SSimon Glass id->type, id->num, id->size, id->mtd_id); 376*2e192b24SSimon Glass 377*2e192b24SSimon Glass /* partition */ 378*2e192b24SSimon Glass part->name = "static"; 379*2e192b24SSimon Glass part->auto_name = 0; 380*2e192b24SSimon Glass 381*2e192b24SSimon Glass #if defined(CONFIG_JFFS2_PART_SIZE) 382*2e192b24SSimon Glass part->size = CONFIG_JFFS2_PART_SIZE; 383*2e192b24SSimon Glass #else 384*2e192b24SSimon Glass part->size = SIZE_REMAINING; 385*2e192b24SSimon Glass #endif 386*2e192b24SSimon Glass 387*2e192b24SSimon Glass #if defined(CONFIG_JFFS2_PART_OFFSET) 388*2e192b24SSimon Glass part->offset = CONFIG_JFFS2_PART_OFFSET; 389*2e192b24SSimon Glass #else 390*2e192b24SSimon Glass part->offset = 0x00000000; 391*2e192b24SSimon Glass #endif 392*2e192b24SSimon Glass 393*2e192b24SSimon Glass part->dev = current_mtd_dev; 394*2e192b24SSimon Glass INIT_LIST_HEAD(&part->link); 395*2e192b24SSimon Glass 396*2e192b24SSimon Glass /* recalculate size if needed */ 397*2e192b24SSimon Glass if (part->size == SIZE_REMAINING) 398*2e192b24SSimon Glass part->size = id->size - part->offset; 399*2e192b24SSimon Glass 400*2e192b24SSimon Glass part->sector_size = get_part_sector_size(id, part); 401*2e192b24SSimon Glass 402*2e192b24SSimon Glass DEBUGF("part : name = %s, size = 0x%08lx, offset = 0x%08lx\n", 403*2e192b24SSimon Glass part->name, part->size, part->offset); 404*2e192b24SSimon Glass 405*2e192b24SSimon Glass /* device */ 406*2e192b24SSimon Glass current_mtd_dev->id = id; 407*2e192b24SSimon Glass INIT_LIST_HEAD(¤t_mtd_dev->link); 408*2e192b24SSimon Glass current_mtd_dev->num_parts = 1; 409*2e192b24SSimon Glass INIT_LIST_HEAD(¤t_mtd_dev->parts); 410*2e192b24SSimon Glass list_add(&part->link, ¤t_mtd_dev->parts); 411*2e192b24SSimon Glass } 412*2e192b24SSimon Glass 413*2e192b24SSimon Glass return 0; 414*2e192b24SSimon Glass } 415*2e192b24SSimon Glass #endif /* #ifndef CONFIG_CMD_MTDPARTS */ 416*2e192b24SSimon Glass 417*2e192b24SSimon Glass /** 418*2e192b24SSimon Glass * Return pointer to the partition of a requested number from a requested 419*2e192b24SSimon Glass * device. 420*2e192b24SSimon Glass * 421*2e192b24SSimon Glass * @param dev device that is to be searched for a partition 422*2e192b24SSimon Glass * @param part_num requested partition number 423*2e192b24SSimon Glass * @return pointer to the part_info, NULL otherwise 424*2e192b24SSimon Glass */ 425*2e192b24SSimon Glass static struct part_info* jffs2_part_info(struct mtd_device *dev, unsigned int part_num) 426*2e192b24SSimon Glass { 427*2e192b24SSimon Glass struct list_head *entry; 428*2e192b24SSimon Glass struct part_info *part; 429*2e192b24SSimon Glass int num; 430*2e192b24SSimon Glass 431*2e192b24SSimon Glass if (!dev) 432*2e192b24SSimon Glass return NULL; 433*2e192b24SSimon Glass 434*2e192b24SSimon Glass DEBUGF("\n--- jffs2_part_info: partition number %d for device %s%d (%s)\n", 435*2e192b24SSimon Glass part_num, MTD_DEV_TYPE(dev->id->type), 436*2e192b24SSimon Glass dev->id->num, dev->id->mtd_id); 437*2e192b24SSimon Glass 438*2e192b24SSimon Glass if (part_num >= dev->num_parts) { 439*2e192b24SSimon Glass printf("invalid partition number %d for device %s%d (%s)\n", 440*2e192b24SSimon Glass part_num, MTD_DEV_TYPE(dev->id->type), 441*2e192b24SSimon Glass dev->id->num, dev->id->mtd_id); 442*2e192b24SSimon Glass return NULL; 443*2e192b24SSimon Glass } 444*2e192b24SSimon Glass 445*2e192b24SSimon Glass /* locate partition number, return it */ 446*2e192b24SSimon Glass num = 0; 447*2e192b24SSimon Glass list_for_each(entry, &dev->parts) { 448*2e192b24SSimon Glass part = list_entry(entry, struct part_info, link); 449*2e192b24SSimon Glass 450*2e192b24SSimon Glass if (part_num == num++) { 451*2e192b24SSimon Glass return part; 452*2e192b24SSimon Glass } 453*2e192b24SSimon Glass } 454*2e192b24SSimon Glass 455*2e192b24SSimon Glass return NULL; 456*2e192b24SSimon Glass } 457*2e192b24SSimon Glass 458*2e192b24SSimon Glass /***************************************************/ 459*2e192b24SSimon Glass /* U-boot commands */ 460*2e192b24SSimon Glass /***************************************************/ 461*2e192b24SSimon Glass 462*2e192b24SSimon Glass /** 463*2e192b24SSimon Glass * Routine implementing fsload u-boot command. This routine tries to load 464*2e192b24SSimon Glass * a requested file from jffs2/cramfs filesystem on a current partition. 465*2e192b24SSimon Glass * 466*2e192b24SSimon Glass * @param cmdtp command internal data 467*2e192b24SSimon Glass * @param flag command flag 468*2e192b24SSimon Glass * @param argc number of arguments supplied to the command 469*2e192b24SSimon Glass * @param argv arguments list 470*2e192b24SSimon Glass * @return 0 on success, 1 otherwise 471*2e192b24SSimon Glass */ 472*2e192b24SSimon Glass int do_jffs2_fsload(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 473*2e192b24SSimon Glass { 474*2e192b24SSimon Glass char *fsname; 475*2e192b24SSimon Glass char *filename; 476*2e192b24SSimon Glass int size; 477*2e192b24SSimon Glass struct part_info *part; 478*2e192b24SSimon Glass ulong offset = load_addr; 479*2e192b24SSimon Glass 480*2e192b24SSimon Glass /* pre-set Boot file name */ 481*2e192b24SSimon Glass if ((filename = getenv("bootfile")) == NULL) { 482*2e192b24SSimon Glass filename = "uImage"; 483*2e192b24SSimon Glass } 484*2e192b24SSimon Glass 485*2e192b24SSimon Glass if (argc == 2) { 486*2e192b24SSimon Glass filename = argv[1]; 487*2e192b24SSimon Glass } 488*2e192b24SSimon Glass if (argc == 3) { 489*2e192b24SSimon Glass offset = simple_strtoul(argv[1], NULL, 16); 490*2e192b24SSimon Glass load_addr = offset; 491*2e192b24SSimon Glass filename = argv[2]; 492*2e192b24SSimon Glass } 493*2e192b24SSimon Glass 494*2e192b24SSimon Glass /* make sure we are in sync with env variables */ 495*2e192b24SSimon Glass if (mtdparts_init() !=0) 496*2e192b24SSimon Glass return 1; 497*2e192b24SSimon Glass 498*2e192b24SSimon Glass if ((part = jffs2_part_info(current_mtd_dev, current_mtd_partnum))){ 499*2e192b24SSimon Glass 500*2e192b24SSimon Glass /* check partition type for cramfs */ 501*2e192b24SSimon Glass fsname = (cramfs_check(part) ? "CRAMFS" : "JFFS2"); 502*2e192b24SSimon Glass printf("### %s loading '%s' to 0x%lx\n", fsname, filename, offset); 503*2e192b24SSimon Glass 504*2e192b24SSimon Glass if (cramfs_check(part)) { 505*2e192b24SSimon Glass size = cramfs_load ((char *) offset, part, filename); 506*2e192b24SSimon Glass } else { 507*2e192b24SSimon Glass /* if this is not cramfs assume jffs2 */ 508*2e192b24SSimon Glass size = jffs2_1pass_load((char *)offset, part, filename); 509*2e192b24SSimon Glass } 510*2e192b24SSimon Glass 511*2e192b24SSimon Glass if (size > 0) { 512*2e192b24SSimon Glass printf("### %s load complete: %d bytes loaded to 0x%lx\n", 513*2e192b24SSimon Glass fsname, size, offset); 514*2e192b24SSimon Glass setenv_hex("filesize", size); 515*2e192b24SSimon Glass } else { 516*2e192b24SSimon Glass printf("### %s LOAD ERROR<%x> for %s!\n", fsname, size, filename); 517*2e192b24SSimon Glass } 518*2e192b24SSimon Glass 519*2e192b24SSimon Glass return !(size > 0); 520*2e192b24SSimon Glass } 521*2e192b24SSimon Glass return 1; 522*2e192b24SSimon Glass } 523*2e192b24SSimon Glass 524*2e192b24SSimon Glass /** 525*2e192b24SSimon Glass * Routine implementing u-boot ls command which lists content of a given 526*2e192b24SSimon Glass * directory on a current partition. 527*2e192b24SSimon Glass * 528*2e192b24SSimon Glass * @param cmdtp command internal data 529*2e192b24SSimon Glass * @param flag command flag 530*2e192b24SSimon Glass * @param argc number of arguments supplied to the command 531*2e192b24SSimon Glass * @param argv arguments list 532*2e192b24SSimon Glass * @return 0 on success, 1 otherwise 533*2e192b24SSimon Glass */ 534*2e192b24SSimon Glass int do_jffs2_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 535*2e192b24SSimon Glass { 536*2e192b24SSimon Glass char *filename = "/"; 537*2e192b24SSimon Glass int ret; 538*2e192b24SSimon Glass struct part_info *part; 539*2e192b24SSimon Glass 540*2e192b24SSimon Glass if (argc == 2) 541*2e192b24SSimon Glass filename = argv[1]; 542*2e192b24SSimon Glass 543*2e192b24SSimon Glass /* make sure we are in sync with env variables */ 544*2e192b24SSimon Glass if (mtdparts_init() !=0) 545*2e192b24SSimon Glass return 1; 546*2e192b24SSimon Glass 547*2e192b24SSimon Glass if ((part = jffs2_part_info(current_mtd_dev, current_mtd_partnum))){ 548*2e192b24SSimon Glass 549*2e192b24SSimon Glass /* check partition type for cramfs */ 550*2e192b24SSimon Glass if (cramfs_check(part)) { 551*2e192b24SSimon Glass ret = cramfs_ls (part, filename); 552*2e192b24SSimon Glass } else { 553*2e192b24SSimon Glass /* if this is not cramfs assume jffs2 */ 554*2e192b24SSimon Glass ret = jffs2_1pass_ls(part, filename); 555*2e192b24SSimon Glass } 556*2e192b24SSimon Glass 557*2e192b24SSimon Glass return ret ? 0 : 1; 558*2e192b24SSimon Glass } 559*2e192b24SSimon Glass return 1; 560*2e192b24SSimon Glass } 561*2e192b24SSimon Glass 562*2e192b24SSimon Glass /** 563*2e192b24SSimon Glass * Routine implementing u-boot fsinfo command. This routine prints out 564*2e192b24SSimon Glass * miscellaneous filesystem informations/statistics. 565*2e192b24SSimon Glass * 566*2e192b24SSimon Glass * @param cmdtp command internal data 567*2e192b24SSimon Glass * @param flag command flag 568*2e192b24SSimon Glass * @param argc number of arguments supplied to the command 569*2e192b24SSimon Glass * @param argv arguments list 570*2e192b24SSimon Glass * @return 0 on success, 1 otherwise 571*2e192b24SSimon Glass */ 572*2e192b24SSimon Glass int do_jffs2_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 573*2e192b24SSimon Glass { 574*2e192b24SSimon Glass struct part_info *part; 575*2e192b24SSimon Glass char *fsname; 576*2e192b24SSimon Glass int ret; 577*2e192b24SSimon Glass 578*2e192b24SSimon Glass /* make sure we are in sync with env variables */ 579*2e192b24SSimon Glass if (mtdparts_init() !=0) 580*2e192b24SSimon Glass return 1; 581*2e192b24SSimon Glass 582*2e192b24SSimon Glass if ((part = jffs2_part_info(current_mtd_dev, current_mtd_partnum))){ 583*2e192b24SSimon Glass 584*2e192b24SSimon Glass /* check partition type for cramfs */ 585*2e192b24SSimon Glass fsname = (cramfs_check(part) ? "CRAMFS" : "JFFS2"); 586*2e192b24SSimon Glass printf("### filesystem type is %s\n", fsname); 587*2e192b24SSimon Glass 588*2e192b24SSimon Glass if (cramfs_check(part)) { 589*2e192b24SSimon Glass ret = cramfs_info (part); 590*2e192b24SSimon Glass } else { 591*2e192b24SSimon Glass /* if this is not cramfs assume jffs2 */ 592*2e192b24SSimon Glass ret = jffs2_1pass_info(part); 593*2e192b24SSimon Glass } 594*2e192b24SSimon Glass 595*2e192b24SSimon Glass return ret ? 0 : 1; 596*2e192b24SSimon Glass } 597*2e192b24SSimon Glass return 1; 598*2e192b24SSimon Glass } 599*2e192b24SSimon Glass 600*2e192b24SSimon Glass /***************************************************/ 601*2e192b24SSimon Glass U_BOOT_CMD( 602*2e192b24SSimon Glass fsload, 3, 0, do_jffs2_fsload, 603*2e192b24SSimon Glass "load binary file from a filesystem image", 604*2e192b24SSimon Glass "[ off ] [ filename ]\n" 605*2e192b24SSimon Glass " - load binary file from flash bank\n" 606*2e192b24SSimon Glass " with offset 'off'" 607*2e192b24SSimon Glass ); 608*2e192b24SSimon Glass U_BOOT_CMD( 609*2e192b24SSimon Glass ls, 2, 1, do_jffs2_ls, 610*2e192b24SSimon Glass "list files in a directory (default /)", 611*2e192b24SSimon Glass "[ directory ]" 612*2e192b24SSimon Glass ); 613*2e192b24SSimon Glass 614*2e192b24SSimon Glass U_BOOT_CMD( 615*2e192b24SSimon Glass fsinfo, 1, 1, do_jffs2_fsinfo, 616*2e192b24SSimon Glass "print information about filesystems", 617*2e192b24SSimon Glass "" 618*2e192b24SSimon Glass ); 619*2e192b24SSimon Glass /***************************************************/ 620