Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* |
| 3 | * mtd.c |
| 4 | * |
| 5 | * Generic command to handle basic operations on any memory device. |
| 6 | * |
| 7 | * Copyright: Bootlin, 2018 |
| 8 | * Author: Miquèl Raynal <miquel.raynal@bootlin.com> |
| 9 | */ |
| 10 | |
| 11 | #include <command.h> |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 12 | #include <console.h> |
Christian Marangi | 31d7181 | 2024-10-01 14:24:40 +0200 | [diff] [blame] | 13 | #include <led.h> |
Arseniy Krasnov | eeee659 | 2024-03-27 01:39:19 +0300 | [diff] [blame] | 14 | #if CONFIG_IS_ENABLED(CMD_MTD_OTP) |
| 15 | #include <hexdump.h> |
| 16 | #endif |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 17 | #include <malloc.h> |
| 18 | #include <mapmem.h> |
| 19 | #include <mtd.h> |
Simon Glass | d66c5f7 | 2020-02-03 07:36:15 -0700 | [diff] [blame] | 20 | #include <dm/devres.h> |
| 21 | #include <linux/err.h> |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 22 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 23 | #include <linux/ctype.h> |
| 24 | |
| 25 | static struct mtd_info *get_mtd_by_name(const char *name) |
| 26 | { |
| 27 | struct mtd_info *mtd; |
| 28 | |
| 29 | mtd_probe_devices(); |
| 30 | |
| 31 | mtd = get_mtd_device_nm(name); |
| 32 | if (IS_ERR_OR_NULL(mtd)) |
| 33 | printf("MTD device %s not found, ret %ld\n", name, |
| 34 | PTR_ERR(mtd)); |
| 35 | |
| 36 | return mtd; |
| 37 | } |
| 38 | |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 39 | static uint mtd_len_to_pages(struct mtd_info *mtd, u64 len) |
| 40 | { |
| 41 | do_div(len, mtd->writesize); |
| 42 | |
| 43 | return len; |
| 44 | } |
| 45 | |
| 46 | static bool mtd_is_aligned_with_min_io_size(struct mtd_info *mtd, u64 size) |
| 47 | { |
| 48 | return !do_div(size, mtd->writesize); |
| 49 | } |
| 50 | |
| 51 | static bool mtd_is_aligned_with_block_size(struct mtd_info *mtd, u64 size) |
| 52 | { |
| 53 | return !do_div(size, mtd->erasesize); |
| 54 | } |
| 55 | |
| 56 | static void mtd_dump_buf(const u8 *buf, uint len, uint offset) |
| 57 | { |
| 58 | int i, j; |
| 59 | |
| 60 | for (i = 0; i < len; ) { |
| 61 | printf("0x%08x:\t", offset + i); |
| 62 | for (j = 0; j < 8; j++) |
| 63 | printf("%02x ", buf[i + j]); |
| 64 | printf(" "); |
| 65 | i += 8; |
| 66 | for (j = 0; j < 8; j++) |
| 67 | printf("%02x ", buf[i + j]); |
| 68 | printf("\n"); |
| 69 | i += 8; |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | static void mtd_dump_device_buf(struct mtd_info *mtd, u64 start_off, |
| 74 | const u8 *buf, u64 len, bool woob) |
| 75 | { |
| 76 | bool has_pages = mtd->type == MTD_NANDFLASH || |
| 77 | mtd->type == MTD_MLCNANDFLASH; |
| 78 | int npages = mtd_len_to_pages(mtd, len); |
| 79 | uint page; |
| 80 | |
| 81 | if (has_pages) { |
| 82 | for (page = 0; page < npages; page++) { |
Heinrich Schuchardt | 40ef32e | 2024-01-11 08:31:55 +0100 | [diff] [blame] | 83 | u64 data_off = (u64)page * mtd->writesize; |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 84 | |
| 85 | printf("\nDump %d data bytes from 0x%08llx:\n", |
| 86 | mtd->writesize, start_off + data_off); |
| 87 | mtd_dump_buf(&buf[data_off], |
| 88 | mtd->writesize, start_off + data_off); |
| 89 | |
| 90 | if (woob) { |
Heinrich Schuchardt | 40ef32e | 2024-01-11 08:31:55 +0100 | [diff] [blame] | 91 | u64 oob_off = (u64)page * mtd->oobsize; |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 92 | |
| 93 | printf("Dump %d OOB bytes from page at 0x%08llx:\n", |
| 94 | mtd->oobsize, start_off + data_off); |
| 95 | mtd_dump_buf(&buf[len + oob_off], |
| 96 | mtd->oobsize, 0); |
| 97 | } |
| 98 | } |
| 99 | } else { |
| 100 | printf("\nDump %lld data bytes from 0x%llx:\n", |
| 101 | len, start_off); |
| 102 | mtd_dump_buf(buf, len, start_off); |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | static void mtd_show_parts(struct mtd_info *mtd, int level) |
| 107 | { |
| 108 | struct mtd_info *part; |
| 109 | int i; |
| 110 | |
| 111 | list_for_each_entry(part, &mtd->partitions, node) { |
| 112 | for (i = 0; i < level; i++) |
| 113 | printf("\t"); |
| 114 | printf(" - 0x%012llx-0x%012llx : \"%s\"\n", |
| 115 | part->offset, part->offset + part->size, part->name); |
| 116 | |
| 117 | mtd_show_parts(part, level + 1); |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | static void mtd_show_device(struct mtd_info *mtd) |
| 122 | { |
| 123 | /* Device */ |
| 124 | printf("* %s\n", mtd->name); |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 125 | if (mtd->dev) { |
| 126 | printf(" - device: %s\n", mtd->dev->name); |
| 127 | printf(" - parent: %s\n", mtd->dev->parent->name); |
| 128 | printf(" - driver: %s\n", mtd->dev->driver->name); |
| 129 | } |
Marek Behún | c677428 | 2021-05-26 14:08:24 +0200 | [diff] [blame] | 130 | if (IS_ENABLED(CONFIG_OF_CONTROL) && mtd->dev) { |
| 131 | char buf[256]; |
| 132 | int res; |
| 133 | |
| 134 | res = ofnode_get_path(mtd_get_ofnode(mtd), buf, 256); |
| 135 | printf(" - path: %s\n", res == 0 ? buf : "unavailable"); |
| 136 | } |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 137 | |
| 138 | /* MTD device information */ |
| 139 | printf(" - type: "); |
| 140 | switch (mtd->type) { |
| 141 | case MTD_RAM: |
| 142 | printf("RAM\n"); |
| 143 | break; |
| 144 | case MTD_ROM: |
| 145 | printf("ROM\n"); |
| 146 | break; |
| 147 | case MTD_NORFLASH: |
| 148 | printf("NOR flash\n"); |
| 149 | break; |
| 150 | case MTD_NANDFLASH: |
| 151 | printf("NAND flash\n"); |
| 152 | break; |
| 153 | case MTD_DATAFLASH: |
| 154 | printf("Data flash\n"); |
| 155 | break; |
| 156 | case MTD_UBIVOLUME: |
| 157 | printf("UBI volume\n"); |
| 158 | break; |
| 159 | case MTD_MLCNANDFLASH: |
| 160 | printf("MLC NAND flash\n"); |
| 161 | break; |
| 162 | case MTD_ABSENT: |
| 163 | default: |
| 164 | printf("Unknown\n"); |
| 165 | break; |
| 166 | } |
| 167 | |
| 168 | printf(" - block size: 0x%x bytes\n", mtd->erasesize); |
| 169 | printf(" - min I/O: 0x%x bytes\n", mtd->writesize); |
| 170 | |
| 171 | if (mtd->oobsize) { |
| 172 | printf(" - OOB size: %u bytes\n", mtd->oobsize); |
| 173 | printf(" - OOB available: %u bytes\n", mtd->oobavail); |
| 174 | } |
| 175 | |
| 176 | if (mtd->ecc_strength) { |
| 177 | printf(" - ECC strength: %u bits\n", mtd->ecc_strength); |
| 178 | printf(" - ECC step size: %u bytes\n", mtd->ecc_step_size); |
| 179 | printf(" - bitflip threshold: %u bits\n", |
| 180 | mtd->bitflip_threshold); |
| 181 | } |
| 182 | |
| 183 | printf(" - 0x%012llx-0x%012llx : \"%s\"\n", |
| 184 | mtd->offset, mtd->offset + mtd->size, mtd->name); |
| 185 | |
| 186 | /* MTD partitions, if any */ |
| 187 | mtd_show_parts(mtd, 1); |
| 188 | } |
| 189 | |
| 190 | /* Logic taken from fs/ubifs/recovery.c:is_empty() */ |
| 191 | static bool mtd_oob_write_is_empty(struct mtd_oob_ops *op) |
| 192 | { |
| 193 | int i; |
| 194 | |
| 195 | for (i = 0; i < op->len; i++) |
| 196 | if (op->datbuf[i] != 0xff) |
| 197 | return false; |
| 198 | |
| 199 | for (i = 0; i < op->ooblen; i++) |
| 200 | if (op->oobbuf[i] != 0xff) |
| 201 | return false; |
| 202 | |
| 203 | return true; |
| 204 | } |
| 205 | |
Arseniy Krasnov | eeee659 | 2024-03-27 01:39:19 +0300 | [diff] [blame] | 206 | #if CONFIG_IS_ENABLED(CMD_MTD_OTP) |
| 207 | static int do_mtd_otp_read(struct cmd_tbl *cmdtp, int flag, int argc, |
| 208 | char *const argv[]) |
| 209 | { |
| 210 | struct mtd_info *mtd; |
| 211 | size_t retlen; |
| 212 | off_t from; |
| 213 | size_t len; |
| 214 | bool user; |
| 215 | int ret; |
| 216 | u8 *buf; |
| 217 | |
| 218 | if (argc != 5) |
| 219 | return CMD_RET_USAGE; |
| 220 | |
| 221 | if (!strcmp(argv[2], "u")) |
| 222 | user = true; |
| 223 | else if (!strcmp(argv[2], "f")) |
| 224 | user = false; |
| 225 | else |
| 226 | return CMD_RET_USAGE; |
| 227 | |
| 228 | mtd = get_mtd_by_name(argv[1]); |
| 229 | if (IS_ERR_OR_NULL(mtd)) |
| 230 | return CMD_RET_FAILURE; |
| 231 | |
| 232 | from = simple_strtoul(argv[3], NULL, 0); |
| 233 | len = simple_strtoul(argv[4], NULL, 0); |
| 234 | |
| 235 | ret = CMD_RET_FAILURE; |
| 236 | |
| 237 | buf = malloc(len); |
| 238 | if (!buf) |
| 239 | goto put_mtd; |
| 240 | |
| 241 | printf("Reading %s OTP from 0x%lx, %zu bytes\n", |
| 242 | user ? "user" : "factory", from, len); |
| 243 | |
| 244 | if (user) |
| 245 | ret = mtd_read_user_prot_reg(mtd, from, len, &retlen, buf); |
| 246 | else |
| 247 | ret = mtd_read_fact_prot_reg(mtd, from, len, &retlen, buf); |
| 248 | if (ret) { |
| 249 | free(buf); |
| 250 | pr_err("OTP read failed: %d\n", ret); |
| 251 | ret = CMD_RET_FAILURE; |
| 252 | goto put_mtd; |
| 253 | } |
| 254 | |
| 255 | if (retlen != len) |
| 256 | pr_err("OTP read returns %zu, but %zu expected\n", |
| 257 | retlen, len); |
| 258 | |
| 259 | print_hex_dump("", 0, 16, 1, buf, retlen, true); |
| 260 | |
| 261 | free(buf); |
| 262 | |
| 263 | ret = CMD_RET_SUCCESS; |
| 264 | |
| 265 | put_mtd: |
| 266 | put_mtd_device(mtd); |
| 267 | |
| 268 | return ret; |
| 269 | } |
| 270 | |
| 271 | static int do_mtd_otp_lock(struct cmd_tbl *cmdtp, int flag, int argc, |
| 272 | char *const argv[]) |
| 273 | { |
| 274 | struct mtd_info *mtd; |
| 275 | off_t from; |
| 276 | size_t len; |
| 277 | int ret; |
| 278 | |
| 279 | if (argc != 4) |
| 280 | return CMD_RET_USAGE; |
| 281 | |
| 282 | mtd = get_mtd_by_name(argv[1]); |
| 283 | if (IS_ERR_OR_NULL(mtd)) |
| 284 | return CMD_RET_FAILURE; |
| 285 | |
| 286 | from = simple_strtoul(argv[2], NULL, 0); |
| 287 | len = simple_strtoul(argv[3], NULL, 0); |
| 288 | |
| 289 | ret = mtd_lock_user_prot_reg(mtd, from, len); |
| 290 | if (ret) { |
| 291 | pr_err("OTP lock failed: %d\n", ret); |
| 292 | ret = CMD_RET_FAILURE; |
| 293 | goto put_mtd; |
| 294 | } |
| 295 | |
| 296 | ret = CMD_RET_SUCCESS; |
| 297 | |
| 298 | put_mtd: |
| 299 | put_mtd_device(mtd); |
| 300 | |
| 301 | return ret; |
| 302 | } |
| 303 | |
| 304 | static int do_mtd_otp_write(struct cmd_tbl *cmdtp, int flag, int argc, |
| 305 | char *const argv[]) |
| 306 | { |
| 307 | struct mtd_info *mtd; |
| 308 | size_t retlen; |
| 309 | size_t binlen; |
| 310 | u8 *binbuf; |
| 311 | off_t from; |
| 312 | int ret; |
| 313 | |
| 314 | if (argc != 4) |
| 315 | return CMD_RET_USAGE; |
| 316 | |
| 317 | mtd = get_mtd_by_name(argv[1]); |
| 318 | if (IS_ERR_OR_NULL(mtd)) |
| 319 | return CMD_RET_FAILURE; |
| 320 | |
| 321 | from = simple_strtoul(argv[2], NULL, 0); |
| 322 | binlen = strlen(argv[3]) / 2; |
| 323 | |
| 324 | ret = CMD_RET_FAILURE; |
| 325 | binbuf = malloc(binlen); |
| 326 | if (!binbuf) |
| 327 | goto put_mtd; |
| 328 | |
| 329 | hex2bin(binbuf, argv[3], binlen); |
| 330 | |
| 331 | printf("Will write:\n"); |
| 332 | |
| 333 | print_hex_dump("", 0, 16, 1, binbuf, binlen, true); |
| 334 | |
| 335 | printf("to 0x%lx\n", from); |
| 336 | |
| 337 | printf("Continue (y/n)?\n"); |
| 338 | |
| 339 | if (confirm_yesno() != 1) { |
| 340 | pr_err("OTP write canceled\n"); |
| 341 | ret = CMD_RET_SUCCESS; |
| 342 | goto put_mtd; |
| 343 | } |
| 344 | |
| 345 | ret = mtd_write_user_prot_reg(mtd, from, binlen, &retlen, binbuf); |
| 346 | if (ret) { |
| 347 | pr_err("OTP write failed: %d\n", ret); |
| 348 | ret = CMD_RET_FAILURE; |
| 349 | goto put_mtd; |
| 350 | } |
| 351 | |
| 352 | if (retlen != binlen) |
| 353 | pr_err("OTP write returns %zu, but %zu expected\n", |
| 354 | retlen, binlen); |
| 355 | |
| 356 | ret = CMD_RET_SUCCESS; |
| 357 | |
| 358 | put_mtd: |
| 359 | free(binbuf); |
| 360 | put_mtd_device(mtd); |
| 361 | |
| 362 | return ret; |
| 363 | } |
| 364 | |
| 365 | static int do_mtd_otp_info(struct cmd_tbl *cmdtp, int flag, int argc, |
| 366 | char *const argv[]) |
| 367 | { |
| 368 | struct otp_info otp_info; |
| 369 | struct mtd_info *mtd; |
| 370 | size_t retlen; |
| 371 | bool user; |
| 372 | int ret; |
| 373 | |
| 374 | if (argc != 3) |
| 375 | return CMD_RET_USAGE; |
| 376 | |
| 377 | if (!strcmp(argv[2], "u")) |
| 378 | user = true; |
| 379 | else if (!strcmp(argv[2], "f")) |
| 380 | user = false; |
| 381 | else |
| 382 | return CMD_RET_USAGE; |
| 383 | |
| 384 | mtd = get_mtd_by_name(argv[1]); |
| 385 | if (IS_ERR_OR_NULL(mtd)) |
| 386 | return CMD_RET_FAILURE; |
| 387 | |
| 388 | if (user) |
| 389 | ret = mtd_get_user_prot_info(mtd, sizeof(otp_info), &retlen, |
| 390 | &otp_info); |
| 391 | else |
| 392 | ret = mtd_get_fact_prot_info(mtd, sizeof(otp_info), &retlen, |
| 393 | &otp_info); |
| 394 | if (ret) { |
| 395 | pr_err("OTP info failed: %d\n", ret); |
| 396 | ret = CMD_RET_FAILURE; |
| 397 | goto put_mtd; |
| 398 | } |
| 399 | |
| 400 | if (retlen != sizeof(otp_info)) { |
| 401 | pr_err("OTP info returns %zu, but %zu expected\n", |
| 402 | retlen, sizeof(otp_info)); |
| 403 | ret = CMD_RET_FAILURE; |
| 404 | goto put_mtd; |
| 405 | } |
| 406 | |
| 407 | printf("%s OTP region info:\n", user ? "User" : "Factory"); |
| 408 | printf("\tstart: %u\n", otp_info.start); |
| 409 | printf("\tlength: %u\n", otp_info.length); |
| 410 | printf("\tlocked: %u\n", otp_info.locked); |
| 411 | |
| 412 | ret = CMD_RET_SUCCESS; |
| 413 | |
| 414 | put_mtd: |
| 415 | put_mtd_device(mtd); |
| 416 | |
| 417 | return ret; |
| 418 | } |
| 419 | #endif |
| 420 | |
Simon Glass | ed38aef | 2020-05-10 11:40:03 -0600 | [diff] [blame] | 421 | static int do_mtd_list(struct cmd_tbl *cmdtp, int flag, int argc, |
| 422 | char *const argv[]) |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 423 | { |
| 424 | struct mtd_info *mtd; |
| 425 | int dev_nb = 0; |
| 426 | |
| 427 | /* Ensure all devices (and their partitions) are probed */ |
| 428 | mtd_probe_devices(); |
| 429 | |
| 430 | printf("List of MTD devices:\n"); |
| 431 | mtd_for_each_device(mtd) { |
| 432 | if (!mtd_is_partition(mtd)) |
| 433 | mtd_show_device(mtd); |
| 434 | |
| 435 | dev_nb++; |
| 436 | } |
| 437 | |
| 438 | if (!dev_nb) { |
| 439 | printf("No MTD device found\n"); |
| 440 | return CMD_RET_FAILURE; |
| 441 | } |
| 442 | |
| 443 | return CMD_RET_SUCCESS; |
| 444 | } |
| 445 | |
| 446 | static int mtd_special_write_oob(struct mtd_info *mtd, u64 off, |
| 447 | struct mtd_oob_ops *io_op, |
| 448 | bool write_empty_pages, bool woob) |
| 449 | { |
| 450 | int ret = 0; |
| 451 | |
| 452 | /* |
| 453 | * By default, do not write an empty page. |
| 454 | * Skip it by simulating a successful write. |
| 455 | */ |
| 456 | if (!write_empty_pages && mtd_oob_write_is_empty(io_op)) { |
| 457 | io_op->retlen = mtd->writesize; |
| 458 | io_op->oobretlen = woob ? mtd->oobsize : 0; |
| 459 | } else { |
| 460 | ret = mtd_write_oob(mtd, off, io_op); |
| 461 | } |
| 462 | |
| 463 | return ret; |
| 464 | } |
| 465 | |
Simon Glass | ed38aef | 2020-05-10 11:40:03 -0600 | [diff] [blame] | 466 | static int do_mtd_io(struct cmd_tbl *cmdtp, int flag, int argc, |
| 467 | char *const argv[]) |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 468 | { |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 469 | bool dump, read, raw, woob, write_empty_pages, has_pages = false; |
| 470 | u64 start_off, off, len, remaining, default_len; |
| 471 | struct mtd_oob_ops io_op = {}; |
| 472 | uint user_addr = 0, npages; |
| 473 | const char *cmd = argv[0]; |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 474 | struct mtd_info *mtd; |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 475 | u32 oob_len; |
| 476 | u8 *buf; |
| 477 | int ret; |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 478 | |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 479 | if (argc < 2) |
| 480 | return CMD_RET_USAGE; |
| 481 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 482 | mtd = get_mtd_by_name(argv[1]); |
| 483 | if (IS_ERR_OR_NULL(mtd)) |
| 484 | return CMD_RET_FAILURE; |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 485 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 486 | if (mtd->type == MTD_NANDFLASH || mtd->type == MTD_MLCNANDFLASH) |
| 487 | has_pages = true; |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 488 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 489 | dump = !strncmp(cmd, "dump", 4); |
| 490 | read = dump || !strncmp(cmd, "read", 4); |
| 491 | raw = strstr(cmd, ".raw"); |
| 492 | woob = strstr(cmd, ".oob"); |
| 493 | write_empty_pages = !has_pages || strstr(cmd, ".dontskipff"); |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 494 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 495 | argc -= 2; |
| 496 | argv += 2; |
| 497 | |
| 498 | if (!dump) { |
| 499 | if (!argc) { |
| 500 | ret = CMD_RET_USAGE; |
| 501 | goto out_put_mtd; |
| 502 | } |
| 503 | |
Simon Glass | 3ff49ec | 2021-07-24 09:03:29 -0600 | [diff] [blame] | 504 | user_addr = hextoul(argv[0], NULL); |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 505 | argc--; |
| 506 | argv++; |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 507 | } |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 508 | |
Simon Glass | 3ff49ec | 2021-07-24 09:03:29 -0600 | [diff] [blame] | 509 | start_off = argc > 0 ? hextoul(argv[0], NULL) : 0; |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 510 | if (!mtd_is_aligned_with_min_io_size(mtd, start_off)) { |
| 511 | printf("Offset not aligned with a page (0x%x)\n", |
| 512 | mtd->writesize); |
| 513 | ret = CMD_RET_FAILURE; |
| 514 | goto out_put_mtd; |
| 515 | } |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 516 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 517 | default_len = dump ? mtd->writesize : mtd->size; |
Simon Glass | 3ff49ec | 2021-07-24 09:03:29 -0600 | [diff] [blame] | 518 | len = argc > 1 ? hextoul(argv[1], NULL) : default_len; |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 519 | if (!mtd_is_aligned_with_min_io_size(mtd, len)) { |
| 520 | len = round_up(len, mtd->writesize); |
| 521 | printf("Size not on a page boundary (0x%x), rounding to 0x%llx\n", |
| 522 | mtd->writesize, len); |
| 523 | } |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 524 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 525 | remaining = len; |
| 526 | npages = mtd_len_to_pages(mtd, len); |
| 527 | oob_len = woob ? npages * mtd->oobsize : 0; |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 528 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 529 | if (dump) |
| 530 | buf = kmalloc(len + oob_len, GFP_KERNEL); |
| 531 | else |
| 532 | buf = map_sysmem(user_addr, 0); |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 533 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 534 | if (!buf) { |
| 535 | printf("Could not map/allocate the user buffer\n"); |
| 536 | ret = CMD_RET_FAILURE; |
| 537 | goto out_put_mtd; |
| 538 | } |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 539 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 540 | if (has_pages) |
| 541 | printf("%s %lld byte(s) (%d page(s)) at offset 0x%08llx%s%s%s\n", |
| 542 | read ? "Reading" : "Writing", len, npages, start_off, |
| 543 | raw ? " [raw]" : "", woob ? " [oob]" : "", |
| 544 | !read && write_empty_pages ? " [dontskipff]" : ""); |
| 545 | else |
| 546 | printf("%s %lld byte(s) at offset 0x%08llx\n", |
| 547 | read ? "Reading" : "Writing", len, start_off); |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 548 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 549 | io_op.mode = raw ? MTD_OPS_RAW : MTD_OPS_AUTO_OOB; |
| 550 | io_op.len = has_pages ? mtd->writesize : len; |
| 551 | io_op.ooblen = woob ? mtd->oobsize : 0; |
| 552 | io_op.datbuf = buf; |
| 553 | io_op.oobbuf = woob ? &buf[len] : NULL; |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 554 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 555 | /* Search for the first good block after the given offset */ |
| 556 | off = start_off; |
| 557 | while (mtd_block_isbad(mtd, off)) |
| 558 | off += mtd->erasesize; |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 559 | |
Christian Marangi | 31d7181 | 2024-10-01 14:24:40 +0200 | [diff] [blame] | 560 | led_activity_blink(); |
| 561 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 562 | /* Loop over the pages to do the actual read/write */ |
| 563 | while (remaining) { |
| 564 | /* Skip the block if it is bad */ |
| 565 | if (mtd_is_aligned_with_block_size(mtd, off) && |
| 566 | mtd_block_isbad(mtd, off)) { |
| 567 | off += mtd->erasesize; |
| 568 | continue; |
| 569 | } |
| 570 | |
| 571 | if (read) |
| 572 | ret = mtd_read_oob(mtd, off, &io_op); |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 573 | else |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 574 | ret = mtd_special_write_oob(mtd, off, &io_op, |
| 575 | write_empty_pages, woob); |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 576 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 577 | if (ret) { |
| 578 | printf("Failure while %s at offset 0x%llx\n", |
| 579 | read ? "reading" : "writing", off); |
| 580 | break; |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 581 | } |
| 582 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 583 | off += io_op.retlen; |
| 584 | remaining -= io_op.retlen; |
| 585 | io_op.datbuf += io_op.retlen; |
| 586 | io_op.oobbuf += io_op.oobretlen; |
| 587 | } |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 588 | |
Christian Marangi | 31d7181 | 2024-10-01 14:24:40 +0200 | [diff] [blame] | 589 | led_activity_off(); |
| 590 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 591 | if (!ret && dump) |
| 592 | mtd_dump_device_buf(mtd, start_off, buf, len, woob); |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 593 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 594 | if (dump) |
| 595 | kfree(buf); |
| 596 | else |
| 597 | unmap_sysmem(buf); |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 598 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 599 | if (ret) { |
| 600 | printf("%s on %s failed with error %d\n", |
| 601 | read ? "Read" : "Write", mtd->name, ret); |
| 602 | ret = CMD_RET_FAILURE; |
| 603 | } else { |
| 604 | ret = CMD_RET_SUCCESS; |
| 605 | } |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 606 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 607 | out_put_mtd: |
| 608 | put_mtd_device(mtd); |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 609 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 610 | return ret; |
| 611 | } |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 612 | |
Simon Glass | ed38aef | 2020-05-10 11:40:03 -0600 | [diff] [blame] | 613 | static int do_mtd_erase(struct cmd_tbl *cmdtp, int flag, int argc, |
| 614 | char *const argv[]) |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 615 | { |
| 616 | struct erase_info erase_op = {}; |
| 617 | struct mtd_info *mtd; |
| 618 | u64 off, len; |
| 619 | bool scrub; |
Patrick Delaunay | a29ae45 | 2019-09-20 09:20:12 +0200 | [diff] [blame] | 620 | int ret = 0; |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 621 | |
| 622 | if (argc < 2) |
| 623 | return CMD_RET_USAGE; |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 624 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 625 | mtd = get_mtd_by_name(argv[1]); |
| 626 | if (IS_ERR_OR_NULL(mtd)) |
| 627 | return CMD_RET_FAILURE; |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 628 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 629 | scrub = strstr(argv[0], ".dontskipbad"); |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 630 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 631 | argc -= 2; |
| 632 | argv += 2; |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 633 | |
Simon Glass | 3ff49ec | 2021-07-24 09:03:29 -0600 | [diff] [blame] | 634 | off = argc > 0 ? hextoul(argv[0], NULL) : 0; |
| 635 | len = argc > 1 ? hextoul(argv[1], NULL) : mtd->size; |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 636 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 637 | if (!mtd_is_aligned_with_block_size(mtd, off)) { |
| 638 | printf("Offset not aligned with a block (0x%x)\n", |
| 639 | mtd->erasesize); |
| 640 | ret = CMD_RET_FAILURE; |
| 641 | goto out_put_mtd; |
| 642 | } |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 643 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 644 | if (!mtd_is_aligned_with_block_size(mtd, len)) { |
| 645 | printf("Size not a multiple of a block (0x%x)\n", |
| 646 | mtd->erasesize); |
| 647 | ret = CMD_RET_FAILURE; |
| 648 | goto out_put_mtd; |
| 649 | } |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 650 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 651 | printf("Erasing 0x%08llx ... 0x%08llx (%d eraseblock(s))\n", |
| 652 | off, off + len - 1, mtd_div_by_eb(len, mtd)); |
| 653 | |
| 654 | erase_op.mtd = mtd; |
| 655 | erase_op.addr = off; |
Patrick Delaunay | a29ae45 | 2019-09-20 09:20:12 +0200 | [diff] [blame] | 656 | erase_op.len = mtd->erasesize; |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 657 | |
Christian Marangi | 31d7181 | 2024-10-01 14:24:40 +0200 | [diff] [blame] | 658 | led_activity_blink(); |
| 659 | |
Patrick Delaunay | a29ae45 | 2019-09-20 09:20:12 +0200 | [diff] [blame] | 660 | while (len) { |
Dario Binacchi | 6b60f68 | 2022-10-30 15:14:13 +0100 | [diff] [blame] | 661 | if (!scrub) { |
| 662 | ret = mtd_block_isbad(mtd, erase_op.addr); |
| 663 | if (ret < 0) { |
| 664 | printf("Failed to get bad block at 0x%08llx\n", |
| 665 | erase_op.addr); |
| 666 | ret = CMD_RET_FAILURE; |
| 667 | goto out_put_mtd; |
| 668 | } |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 669 | |
Dario Binacchi | 6b60f68 | 2022-10-30 15:14:13 +0100 | [diff] [blame] | 670 | if (ret > 0) { |
| 671 | printf("Skipping bad block at 0x%08llx\n", |
| 672 | erase_op.addr); |
| 673 | ret = 0; |
| 674 | len -= mtd->erasesize; |
| 675 | erase_op.addr += mtd->erasesize; |
| 676 | continue; |
| 677 | } |
Patrick Delaunay | a29ae45 | 2019-09-20 09:20:12 +0200 | [diff] [blame] | 678 | } |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 679 | |
Dario Binacchi | 6b60f68 | 2022-10-30 15:14:13 +0100 | [diff] [blame] | 680 | ret = mtd_erase(mtd, &erase_op); |
| 681 | if (ret && ret != -EIO) |
| 682 | break; |
| 683 | |
Patrick Delaunay | a29ae45 | 2019-09-20 09:20:12 +0200 | [diff] [blame] | 684 | len -= mtd->erasesize; |
| 685 | erase_op.addr += mtd->erasesize; |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 686 | } |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 687 | |
Christian Marangi | 31d7181 | 2024-10-01 14:24:40 +0200 | [diff] [blame] | 688 | led_activity_off(); |
| 689 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 690 | if (ret && ret != -EIO) |
| 691 | ret = CMD_RET_FAILURE; |
| 692 | else |
| 693 | ret = CMD_RET_SUCCESS; |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 694 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 695 | out_put_mtd: |
| 696 | put_mtd_device(mtd); |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 697 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 698 | return ret; |
| 699 | } |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 700 | |
Simon Glass | ed38aef | 2020-05-10 11:40:03 -0600 | [diff] [blame] | 701 | static int do_mtd_bad(struct cmd_tbl *cmdtp, int flag, int argc, |
| 702 | char *const argv[]) |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 703 | { |
| 704 | struct mtd_info *mtd; |
| 705 | loff_t off; |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 706 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 707 | if (argc < 2) |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 708 | return CMD_RET_USAGE; |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 709 | |
| 710 | mtd = get_mtd_by_name(argv[1]); |
| 711 | if (IS_ERR_OR_NULL(mtd)) |
| 712 | return CMD_RET_FAILURE; |
| 713 | |
| 714 | if (!mtd_can_have_bb(mtd)) { |
| 715 | printf("Only NAND-based devices can have bad blocks\n"); |
| 716 | goto out_put_mtd; |
| 717 | } |
| 718 | |
| 719 | printf("MTD device %s bad blocks list:\n", mtd->name); |
| 720 | for (off = 0; off < mtd->size; off += mtd->erasesize) { |
| 721 | if (mtd_block_isbad(mtd, off)) |
| 722 | printf("\t0x%08llx\n", off); |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 723 | } |
| 724 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 725 | out_put_mtd: |
| 726 | put_mtd_device(mtd); |
| 727 | |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 728 | return CMD_RET_SUCCESS; |
| 729 | } |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 730 | |
| 731 | #ifdef CONFIG_AUTO_COMPLETE |
Simon Glass | ed38aef | 2020-05-10 11:40:03 -0600 | [diff] [blame] | 732 | static int mtd_name_complete(int argc, char *const argv[], char last_char, |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 733 | int maxv, char *cmdv[]) |
| 734 | { |
| 735 | int len = 0, n_found = 0; |
| 736 | struct mtd_info *mtd; |
| 737 | |
| 738 | argc--; |
| 739 | argv++; |
| 740 | |
| 741 | if (argc > 1 || |
| 742 | (argc == 1 && (last_char == '\0' || isblank(last_char)))) |
| 743 | return 0; |
| 744 | |
| 745 | if (argc) |
| 746 | len = strlen(argv[0]); |
| 747 | |
| 748 | mtd_for_each_device(mtd) { |
| 749 | if (argc && |
| 750 | (len > strlen(mtd->name) || |
| 751 | strncmp(argv[0], mtd->name, len))) |
| 752 | continue; |
| 753 | |
| 754 | if (n_found >= maxv - 2) { |
| 755 | cmdv[n_found++] = "..."; |
| 756 | break; |
| 757 | } |
| 758 | |
| 759 | cmdv[n_found++] = mtd->name; |
| 760 | } |
| 761 | |
| 762 | cmdv[n_found] = NULL; |
| 763 | |
| 764 | return n_found; |
| 765 | } |
| 766 | #endif /* CONFIG_AUTO_COMPLETE */ |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 767 | |
Tom Rini | 03f146c | 2023-10-07 15:13:08 -0400 | [diff] [blame] | 768 | U_BOOT_LONGHELP(mtd, |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 769 | "- generic operations on memory technology devices\n\n" |
| 770 | "mtd list\n" |
| 771 | "mtd read[.raw][.oob] <name> <addr> [<off> [<size>]]\n" |
| 772 | "mtd dump[.raw][.oob] <name> [<off> [<size>]]\n" |
| 773 | "mtd write[.raw][.oob][.dontskipff] <name> <addr> [<off> [<size>]]\n" |
| 774 | "mtd erase[.dontskipbad] <name> [<off> [<size>]]\n" |
| 775 | "\n" |
| 776 | "Specific functions:\n" |
| 777 | "mtd bad <name>\n" |
Arseniy Krasnov | eeee659 | 2024-03-27 01:39:19 +0300 | [diff] [blame] | 778 | #if CONFIG_IS_ENABLED(CMD_MTD_OTP) |
| 779 | "mtd otpread <name> [u|f] <off> <size>\n" |
| 780 | "mtd otpwrite <name> <off> <hex string>\n" |
| 781 | "mtd otplock <name> <off> <size>\n" |
| 782 | "mtd otpinfo <name> [u|f]\n" |
| 783 | #endif |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 784 | "\n" |
| 785 | "With:\n" |
Marek Behún | 397aaa9 | 2021-05-26 14:08:26 +0200 | [diff] [blame] | 786 | "\t<name>: NAND partition/chip name (or corresponding DM device name or OF path)\n" |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 787 | "\t<addr>: user address from/to which data will be retrieved/stored\n" |
| 788 | "\t<off>: offset in <name> in bytes (default: start of the part)\n" |
| 789 | "\t\t* must be block-aligned for erase\n" |
| 790 | "\t\t* must be page-aligned otherwise\n" |
| 791 | "\t<size>: length of the operation in bytes (default: the entire device)\n" |
| 792 | "\t\t* must be a multiple of a block for erase\n" |
| 793 | "\t\t* must be a multiple of a page otherwise (special case: default is a page with dump)\n" |
Arseniy Krasnov | eeee659 | 2024-03-27 01:39:19 +0300 | [diff] [blame] | 794 | #if CONFIG_IS_ENABLED(CMD_MTD_OTP) |
| 795 | "\t<hex string>: hex string without '0x' and spaces. Example: ABCD1234\n" |
| 796 | "\t[u|f]: user or factory OTP region\n" |
| 797 | #endif |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 798 | "\n" |
Tom Rini | 03f146c | 2023-10-07 15:13:08 -0400 | [diff] [blame] | 799 | "The .dontskipff option forces writing empty pages, don't use it if unsure.\n"); |
Miquel Raynal | 741f4c7 | 2018-09-29 12:58:28 +0200 | [diff] [blame] | 800 | |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 801 | U_BOOT_CMD_WITH_SUBCMDS(mtd, "MTD utils", mtd_help_text, |
Arseniy Krasnov | eeee659 | 2024-03-27 01:39:19 +0300 | [diff] [blame] | 802 | #if CONFIG_IS_ENABLED(CMD_MTD_OTP) |
| 803 | U_BOOT_SUBCMD_MKENT(otpread, 5, 1, do_mtd_otp_read), |
| 804 | U_BOOT_SUBCMD_MKENT(otpwrite, 4, 1, do_mtd_otp_write), |
| 805 | U_BOOT_SUBCMD_MKENT(otplock, 4, 1, do_mtd_otp_lock), |
| 806 | U_BOOT_SUBCMD_MKENT(otpinfo, 3, 1, do_mtd_otp_info), |
| 807 | #endif |
Boris Brezillon | 06f950d | 2018-12-03 22:54:22 +0100 | [diff] [blame] | 808 | U_BOOT_SUBCMD_MKENT(list, 1, 1, do_mtd_list), |
| 809 | U_BOOT_SUBCMD_MKENT_COMPLETE(read, 5, 0, do_mtd_io, |
| 810 | mtd_name_complete), |
| 811 | U_BOOT_SUBCMD_MKENT_COMPLETE(write, 5, 0, do_mtd_io, |
| 812 | mtd_name_complete), |
| 813 | U_BOOT_SUBCMD_MKENT_COMPLETE(dump, 4, 0, do_mtd_io, |
| 814 | mtd_name_complete), |
| 815 | U_BOOT_SUBCMD_MKENT_COMPLETE(erase, 4, 0, do_mtd_erase, |
| 816 | mtd_name_complete), |
| 817 | U_BOOT_SUBCMD_MKENT_COMPLETE(bad, 2, 1, do_mtd_bad, |
| 818 | mtd_name_complete)); |