git.sur5r.net Git - u-boot/blob - common/cmd_mmc.c

   1 /*
   2  * (C) Copyright 2003
   3  * Kyle Harris, kharris@nexus-tech.net
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9 #include <command.h>
  10 #include <console.h>
  11 #include <mmc.h>
  12
  13 static int curr_device = -1;
  14 #ifndef CONFIG_GENERIC_MMC
  15 int do_mmc (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  16 {
  17         int dev;
  18
  19         if (argc < 2)
  20                 return CMD_RET_USAGE;
  21
  22         if (strcmp(argv[1], "init") == 0) {
  23                 if (argc == 2) {
  24                         if (curr_device < 0)
  25                                 dev = 1;
  26                         else
  27                                 dev = curr_device;
  28                 } else if (argc == 3) {
  29                         dev = (int)simple_strtoul(argv[2], NULL, 10);
  30                 } else {
  31                         return CMD_RET_USAGE;
  32                 }
  33
  34                 if (mmc_legacy_init(dev) != 0) {
  35                         puts("No MMC card found\n");
  36                         return 1;
  37                 }
  38
  39                 curr_device = dev;
  40                 printf("mmc%d is available\n", curr_device);
  41         } else if (strcmp(argv[1], "device") == 0) {
  42                 if (argc == 2) {
  43                         if (curr_device < 0) {
  44                                 puts("No MMC device available\n");
  45                                 return 1;
  46                         }
  47                 } else if (argc == 3) {
  48                         dev = (int)simple_strtoul(argv[2], NULL, 10);
  49
  50 #ifdef CONFIG_SYS_MMC_SET_DEV
  51                         if (mmc_set_dev(dev) != 0)
  52                                 return 1;
  53 #endif
  54                         curr_device = dev;
  55                 } else {
  56                         return CMD_RET_USAGE;
  57                 }
  58
  59                 printf("mmc%d is current device\n", curr_device);
  60         } else {
  61                 return CMD_RET_USAGE;
  62         }
  63
  64         return 0;
  65 }
  66
  67 U_BOOT_CMD(
  68         mmc, 3, 1, do_mmc,
  69         "MMC sub-system",
  70         "init [dev] - init MMC sub system\n"
  71         "mmc device [dev] - show or set current device"
  72 );
  73 #else /* !CONFIG_GENERIC_MMC */
  74
  75 static void print_mmcinfo(struct mmc *mmc)
  76 {
  77         int i;
  78
  79         printf("Device: %s\n", mmc->cfg->name);
  80         printf("Manufacturer ID: %x\n", mmc->cid[0] >> 24);
  81         printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xffff);
  82         printf("Name: %c%c%c%c%c \n", mmc->cid[0] & 0xff,
  83                         (mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff,
  84                         (mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff);
  85
  86         printf("Tran Speed: %d\n", mmc->tran_speed);
  87         printf("Rd Block Len: %d\n", mmc->read_bl_len);
  88
  89         printf("%s version %d.%d", IS_SD(mmc) ? "SD" : "MMC",
  90                         EXTRACT_SDMMC_MAJOR_VERSION(mmc->version),
  91                         EXTRACT_SDMMC_MINOR_VERSION(mmc->version));
  92         if (EXTRACT_SDMMC_CHANGE_VERSION(mmc->version) != 0)
  93                 printf(".%d", EXTRACT_SDMMC_CHANGE_VERSION(mmc->version));
  94         printf("\n");
  95
  96         printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No");
  97         puts("Capacity: ");
  98         print_size(mmc->capacity, "\n");
  99
 100         printf("Bus Width: %d-bit%s\n", mmc->bus_width,
 101                         mmc->ddr_mode ? " DDR" : "");
 102
 103         puts("Erase Group Size: ");
 104         print_size(((u64)mmc->erase_grp_size) << 9, "\n");
 105
 106         if (!IS_SD(mmc) && mmc->version >= MMC_VERSION_4_41) {
 107                 bool has_enh = (mmc->part_support & ENHNCD_SUPPORT) != 0;
 108                 bool usr_enh = has_enh && (mmc->part_attr & EXT_CSD_ENH_USR);
 109
 110                 puts("HC WP Group Size: ");
 111                 print_size(((u64)mmc->hc_wp_grp_size) << 9, "\n");
 112
 113                 puts("User Capacity: ");
 114                 print_size(mmc->capacity_user, usr_enh ? " ENH" : "");
 115                 if (mmc->wr_rel_set & EXT_CSD_WR_DATA_REL_USR)
 116                         puts(" WRREL\n");
 117                 else
 118                         putc('\n');
 119                 if (usr_enh) {
 120                         puts("User Enhanced Start: ");
 121                         print_size(mmc->enh_user_start, "\n");
 122                         puts("User Enhanced Size: ");
 123                         print_size(mmc->enh_user_size, "\n");
 124                 }
 125                 puts("Boot Capacity: ");
 126                 print_size(mmc->capacity_boot, has_enh ? " ENH\n" : "\n");
 127                 puts("RPMB Capacity: ");
 128                 print_size(mmc->capacity_rpmb, has_enh ? " ENH\n" : "\n");
 129
 130                 for (i = 0; i < ARRAY_SIZE(mmc->capacity_gp); i++) {
 131                         bool is_enh = has_enh &&
 132                                 (mmc->part_attr & EXT_CSD_ENH_GP(i));
 133                         if (mmc->capacity_gp[i]) {
 134                                 printf("GP%i Capacity: ", i+1);
 135                                 print_size(mmc->capacity_gp[i],
 136                                            is_enh ? " ENH" : "");
 137                                 if (mmc->wr_rel_set & EXT_CSD_WR_DATA_REL_GP(i))
 138                                         puts(" WRREL\n");
 139                                 else
 140                                         putc('\n');
 141                         }
 142                 }
 143         }
 144 }
 145 static struct mmc *init_mmc_device(int dev, bool force_init)
 146 {
 147         struct mmc *mmc;
 148         mmc = find_mmc_device(dev);
 149         if (!mmc) {
 150                 printf("no mmc device at slot %x\n", dev);
 151                 return NULL;
 152         }
 153         if (force_init)
 154                 mmc->has_init = 0;
 155         if (mmc_init(mmc))
 156                 return NULL;
 157         return mmc;
 158 }
 159 static int do_mmcinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 160 {
 161         struct mmc *mmc;
 162
 163         if (curr_device < 0) {
 164                 if (get_mmc_num() > 0)
 165                         curr_device = 0;
 166                 else {
 167                         puts("No MMC device available\n");
 168                         return 1;
 169                 }
 170         }
 171
 172         mmc = init_mmc_device(curr_device, false);
 173         if (!mmc)
 174                 return CMD_RET_FAILURE;
 175
 176         print_mmcinfo(mmc);
 177         return CMD_RET_SUCCESS;
 178 }
 179
 180 #ifdef CONFIG_SUPPORT_EMMC_RPMB
 181 static int confirm_key_prog(void)
 182 {
 183         puts("Warning: Programming authentication key can be done only once !\n"
 184              "         Use this command only if you are sure of what you are doing,\n"
 185              "Really perform the key programming? <y/N> ");
 186         if (confirm_yesno())
 187                 return 1;
 188
 189         puts("Authentication key programming aborted\n");
 190         return 0;
 191 }
 192 static int do_mmcrpmb_key(cmd_tbl_t *cmdtp, int flag,
 193                           int argc, char * const argv[])
 194 {
 195         void *key_addr;
 196         struct mmc *mmc = find_mmc_device(curr_device);
 197
 198         if (argc != 2)
 199                 return CMD_RET_USAGE;
 200
 201         key_addr = (void *)simple_strtoul(argv[1], NULL, 16);
 202         if (!confirm_key_prog())
 203                 return CMD_RET_FAILURE;
 204         if (mmc_rpmb_set_key(mmc, key_addr)) {
 205                 printf("ERROR - Key already programmed ?\n");
 206                 return CMD_RET_FAILURE;
 207         }
 208         return CMD_RET_SUCCESS;
 209 }
 210 static int do_mmcrpmb_read(cmd_tbl_t *cmdtp, int flag,
 211                            int argc, char * const argv[])
 212 {
 213         u16 blk, cnt;
 214         void *addr;
 215         int n;
 216         void *key_addr = NULL;
 217         struct mmc *mmc = find_mmc_device(curr_device);
 218
 219         if (argc < 4)
 220                 return CMD_RET_USAGE;
 221
 222         addr = (void *)simple_strtoul(argv[1], NULL, 16);
 223         blk = simple_strtoul(argv[2], NULL, 16);
 224         cnt = simple_strtoul(argv[3], NULL, 16);
 225
 226         if (argc == 5)
 227                 key_addr = (void *)simple_strtoul(argv[4], NULL, 16);
 228
 229         printf("\nMMC RPMB read: dev # %d, block # %d, count %d ... ",
 230                curr_device, blk, cnt);
 231         n =  mmc_rpmb_read(mmc, addr, blk, cnt, key_addr);
 232
 233         printf("%d RPMB blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");
 234         if (n != cnt)
 235                 return CMD_RET_FAILURE;
 236         return CMD_RET_SUCCESS;
 237 }
 238 static int do_mmcrpmb_write(cmd_tbl_t *cmdtp, int flag,
 239                             int argc, char * const argv[])
 240 {
 241         u16 blk, cnt;
 242         void *addr;
 243         int n;
 244         void *key_addr;
 245         struct mmc *mmc = find_mmc_device(curr_device);
 246
 247         if (argc != 5)
 248                 return CMD_RET_USAGE;
 249
 250         addr = (void *)simple_strtoul(argv[1], NULL, 16);
 251         blk = simple_strtoul(argv[2], NULL, 16);
 252         cnt = simple_strtoul(argv[3], NULL, 16);
 253         key_addr = (void *)simple_strtoul(argv[4], NULL, 16);
 254
 255         printf("\nMMC RPMB write: dev # %d, block # %d, count %d ... ",
 256                curr_device, blk, cnt);
 257         n =  mmc_rpmb_write(mmc, addr, blk, cnt, key_addr);
 258
 259         printf("%d RPMB blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");
 260         if (n != cnt)
 261                 return CMD_RET_FAILURE;
 262         return CMD_RET_SUCCESS;
 263 }
 264 static int do_mmcrpmb_counter(cmd_tbl_t *cmdtp, int flag,
 265                               int argc, char * const argv[])
 266 {
 267         unsigned long counter;
 268         struct mmc *mmc = find_mmc_device(curr_device);
 269
 270         if (mmc_rpmb_get_counter(mmc, &counter))
 271                 return CMD_RET_FAILURE;
 272         printf("RPMB Write counter= %lx\n", counter);
 273         return CMD_RET_SUCCESS;
 274 }
 275
 276 static cmd_tbl_t cmd_rpmb[] = {
 277         U_BOOT_CMD_MKENT(key, 2, 0, do_mmcrpmb_key, "", ""),
 278         U_BOOT_CMD_MKENT(read, 5, 1, do_mmcrpmb_read, "", ""),
 279         U_BOOT_CMD_MKENT(write, 5, 0, do_mmcrpmb_write, "", ""),
 280         U_BOOT_CMD_MKENT(counter, 1, 1, do_mmcrpmb_counter, "", ""),
 281 };
 282
 283 static int do_mmcrpmb(cmd_tbl_t *cmdtp, int flag,
 284                       int argc, char * const argv[])
 285 {
 286         cmd_tbl_t *cp;
 287         struct mmc *mmc;
 288         char original_part;
 289         int ret;
 290
 291         cp = find_cmd_tbl(argv[1], cmd_rpmb, ARRAY_SIZE(cmd_rpmb));
 292
 293         /* Drop the rpmb subcommand */
 294         argc--;
 295         argv++;
 296
 297         if (cp == NULL || argc > cp->maxargs)
 298                 return CMD_RET_USAGE;
 299         if (flag == CMD_FLAG_REPEAT && !cp->repeatable)
 300                 return CMD_RET_SUCCESS;
 301
 302         mmc = init_mmc_device(curr_device, false);
 303         if (!mmc)
 304                 return CMD_RET_FAILURE;
 305
 306         if (!(mmc->version & MMC_VERSION_MMC)) {
 307                 printf("It is not a EMMC device\n");
 308                 return CMD_RET_FAILURE;
 309         }
 310         if (mmc->version < MMC_VERSION_4_41) {
 311                 printf("RPMB not supported before version 4.41\n");
 312                 return CMD_RET_FAILURE;
 313         }
 314         /* Switch to the RPMB partition */
 315         original_part = mmc->part_num;
 316         if (mmc->part_num != MMC_PART_RPMB) {
 317                 if (mmc_switch_part(curr_device, MMC_PART_RPMB) != 0)
 318                         return CMD_RET_FAILURE;
 319                 mmc->part_num = MMC_PART_RPMB;
 320         }
 321         ret = cp->cmd(cmdtp, flag, argc, argv);
 322
 323         /* Return to original partition */
 324         if (mmc->part_num != original_part) {
 325                 if (mmc_switch_part(curr_device, original_part) != 0)
 326                         return CMD_RET_FAILURE;
 327                 mmc->part_num = original_part;
 328         }
 329         return ret;
 330 }
 331 #endif
 332
 333 static int do_mmc_read(cmd_tbl_t *cmdtp, int flag,
 334                        int argc, char * const argv[])
 335 {
 336         struct mmc *mmc;
 337         u32 blk, cnt, n;
 338         void *addr;
 339
 340         if (argc != 4)
 341                 return CMD_RET_USAGE;
 342
 343         addr = (void *)simple_strtoul(argv[1], NULL, 16);
 344         blk = simple_strtoul(argv[2], NULL, 16);
 345         cnt = simple_strtoul(argv[3], NULL, 16);
 346
 347         mmc = init_mmc_device(curr_device, false);
 348         if (!mmc)
 349                 return CMD_RET_FAILURE;
 350
 351         printf("\nMMC read: dev # %d, block # %d, count %d ... ",
 352                curr_device, blk, cnt);
 353
 354         n = mmc->block_dev.block_read(curr_device, blk, cnt, addr);
 355         /* flush cache after read */
 356         flush_cache((ulong)addr, cnt * 512); /* FIXME */
 357         printf("%d blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");
 358
 359         return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
 360 }
 361 static int do_mmc_write(cmd_tbl_t *cmdtp, int flag,
 362                         int argc, char * const argv[])
 363 {
 364         struct mmc *mmc;
 365         u32 blk, cnt, n;
 366         void *addr;
 367
 368         if (argc != 4)
 369                 return CMD_RET_USAGE;
 370
 371         addr = (void *)simple_strtoul(argv[1], NULL, 16);
 372         blk = simple_strtoul(argv[2], NULL, 16);
 373         cnt = simple_strtoul(argv[3], NULL, 16);
 374
 375         mmc = init_mmc_device(curr_device, false);
 376         if (!mmc)
 377                 return CMD_RET_FAILURE;
 378
 379         printf("\nMMC write: dev # %d, block # %d, count %d ... ",
 380                curr_device, blk, cnt);
 381
 382         if (mmc_getwp(mmc) == 1) {
 383                 printf("Error: card is write protected!\n");
 384                 return CMD_RET_FAILURE;
 385         }
 386         n = mmc->block_dev.block_write(curr_device, blk, cnt, addr);
 387         printf("%d blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");
 388
 389         return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
 390 }
 391 static int do_mmc_erase(cmd_tbl_t *cmdtp, int flag,
 392                         int argc, char * const argv[])
 393 {
 394         struct mmc *mmc;
 395         u32 blk, cnt, n;
 396
 397         if (argc != 3)
 398                 return CMD_RET_USAGE;
 399
 400         blk = simple_strtoul(argv[1], NULL, 16);
 401         cnt = simple_strtoul(argv[2], NULL, 16);
 402
 403         mmc = init_mmc_device(curr_device, false);
 404         if (!mmc)
 405                 return CMD_RET_FAILURE;
 406
 407         printf("\nMMC erase: dev # %d, block # %d, count %d ... ",
 408                curr_device, blk, cnt);
 409
 410         if (mmc_getwp(mmc) == 1) {
 411                 printf("Error: card is write protected!\n");
 412                 return CMD_RET_FAILURE;
 413         }
 414         n = mmc->block_dev.block_erase(curr_device, blk, cnt);
 415         printf("%d blocks erased: %s\n", n, (n == cnt) ? "OK" : "ERROR");
 416
 417         return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
 418 }
 419 static int do_mmc_rescan(cmd_tbl_t *cmdtp, int flag,
 420                          int argc, char * const argv[])
 421 {
 422         struct mmc *mmc;
 423
 424         mmc = init_mmc_device(curr_device, true);
 425         if (!mmc)
 426                 return CMD_RET_FAILURE;
 427
 428         return CMD_RET_SUCCESS;
 429 }
 430 static int do_mmc_part(cmd_tbl_t *cmdtp, int flag,
 431                        int argc, char * const argv[])
 432 {
 433         block_dev_desc_t *mmc_dev;
 434         struct mmc *mmc;
 435
 436         mmc = init_mmc_device(curr_device, false);
 437         if (!mmc)
 438                 return CMD_RET_FAILURE;
 439
 440         mmc_dev = mmc_get_dev(curr_device);
 441         if (mmc_dev != NULL && mmc_dev->type != DEV_TYPE_UNKNOWN) {
 442                 print_part(mmc_dev);
 443                 return CMD_RET_SUCCESS;
 444         }
 445
 446         puts("get mmc type error!\n");
 447         return CMD_RET_FAILURE;
 448 }
 449 static int do_mmc_dev(cmd_tbl_t *cmdtp, int flag,
 450                       int argc, char * const argv[])
 451 {
 452         int dev, part = 0, ret;
 453         struct mmc *mmc;
 454
 455         if (argc == 1) {
 456                 dev = curr_device;
 457         } else if (argc == 2) {
 458                 dev = simple_strtoul(argv[1], NULL, 10);
 459         } else if (argc == 3) {
 460                 dev = (int)simple_strtoul(argv[1], NULL, 10);
 461                 part = (int)simple_strtoul(argv[2], NULL, 10);
 462                 if (part > PART_ACCESS_MASK) {
 463                         printf("#part_num shouldn't be larger than %d\n",
 464                                PART_ACCESS_MASK);
 465                         return CMD_RET_FAILURE;
 466                 }
 467         } else {
 468                 return CMD_RET_USAGE;
 469         }
 470
 471         mmc = init_mmc_device(dev, true);
 472         if (!mmc)
 473                 return CMD_RET_FAILURE;
 474
 475         ret = mmc_select_hwpart(dev, part);
 476         printf("switch to partitions #%d, %s\n",
 477                part, (!ret) ? "OK" : "ERROR");
 478         if (ret)
 479                 return 1;
 480
 481         curr_device = dev;
 482         if (mmc->part_config == MMCPART_NOAVAILABLE)
 483                 printf("mmc%d is current device\n", curr_device);
 484         else
 485                 printf("mmc%d(part %d) is current device\n",
 486                        curr_device, mmc->part_num);
 487
 488         return CMD_RET_SUCCESS;
 489 }
 490 static int do_mmc_list(cmd_tbl_t *cmdtp, int flag,
 491                        int argc, char * const argv[])
 492 {
 493         print_mmc_devices('\n');
 494         return CMD_RET_SUCCESS;
 495 }
 496
 497 static int parse_hwpart_user(struct mmc_hwpart_conf *pconf,
 498                              int argc, char * const argv[])
 499 {
 500         int i = 0;
 501
 502         memset(&pconf->user, 0, sizeof(pconf->user));
 503
 504         while (i < argc) {
 505                 if (!strcmp(argv[i], "enh")) {
 506                         if (i + 2 >= argc)
 507                                 return -1;
 508                         pconf->user.enh_start =
 509                                 simple_strtoul(argv[i+1], NULL, 10);
 510                         pconf->user.enh_size =
 511                                 simple_strtoul(argv[i+2], NULL, 10);
 512                         i += 3;
 513                 } else if (!strcmp(argv[i], "wrrel")) {
 514                         if (i + 1 >= argc)
 515                                 return -1;
 516                         pconf->user.wr_rel_change = 1;
 517                         if (!strcmp(argv[i+1], "on"))
 518                                 pconf->user.wr_rel_set = 1;
 519                         else if (!strcmp(argv[i+1], "off"))
 520                                 pconf->user.wr_rel_set = 0;
 521                         else
 522                                 return -1;
 523                         i += 2;
 524                 } else {
 525                         break;
 526                 }
 527         }
 528         return i;
 529 }
 530
 531 static int parse_hwpart_gp(struct mmc_hwpart_conf *pconf, int pidx,
 532                            int argc, char * const argv[])
 533 {
 534         int i;
 535
 536         memset(&pconf->gp_part[pidx], 0, sizeof(pconf->gp_part[pidx]));
 537
 538         if (1 >= argc)
 539                 return -1;
 540         pconf->gp_part[pidx].size = simple_strtoul(argv[0], NULL, 10);
 541
 542         i = 1;
 543         while (i < argc) {
 544                 if (!strcmp(argv[i], "enh")) {
 545                         pconf->gp_part[pidx].enhanced = 1;
 546                         i += 1;
 547                 } else if (!strcmp(argv[i], "wrrel")) {
 548                         if (i + 1 >= argc)
 549                                 return -1;
 550                         pconf->gp_part[pidx].wr_rel_change = 1;
 551                         if (!strcmp(argv[i+1], "on"))
 552                                 pconf->gp_part[pidx].wr_rel_set = 1;
 553                         else if (!strcmp(argv[i+1], "off"))
 554                                 pconf->gp_part[pidx].wr_rel_set = 0;
 555                         else
 556                                 return -1;
 557                         i += 2;
 558                 } else {
 559                         break;
 560                 }
 561         }
 562         return i;
 563 }
 564
 565 static int do_mmc_hwpartition(cmd_tbl_t *cmdtp, int flag,
 566                               int argc, char * const argv[])
 567 {
 568         struct mmc *mmc;
 569         struct mmc_hwpart_conf pconf = { };
 570         enum mmc_hwpart_conf_mode mode = MMC_HWPART_CONF_CHECK;
 571         int i, r, pidx;
 572
 573         mmc = init_mmc_device(curr_device, false);
 574         if (!mmc)
 575                 return CMD_RET_FAILURE;
 576
 577         if (argc < 1)
 578                 return CMD_RET_USAGE;
 579         i = 1;
 580         while (i < argc) {
 581                 if (!strcmp(argv[i], "user")) {
 582                         i++;
 583                         r = parse_hwpart_user(&pconf, argc-i, &argv[i]);
 584                         if (r < 0)
 585                                 return CMD_RET_USAGE;
 586                         i += r;
 587                 } else if (!strncmp(argv[i], "gp", 2) &&
 588                            strlen(argv[i]) == 3 &&
 589                            argv[i][2] >= '1' && argv[i][2] <= '4') {
 590                         pidx = argv[i][2] - '1';
 591                         i++;
 592                         r = parse_hwpart_gp(&pconf, pidx, argc-i, &argv[i]);
 593                         if (r < 0)
 594                                 return CMD_RET_USAGE;
 595                         i += r;
 596                 } else if (!strcmp(argv[i], "check")) {
 597                         mode = MMC_HWPART_CONF_CHECK;
 598                         i++;
 599                 } else if (!strcmp(argv[i], "set")) {
 600                         mode = MMC_HWPART_CONF_SET;
 601                         i++;
 602                 } else if (!strcmp(argv[i], "complete")) {
 603                         mode = MMC_HWPART_CONF_COMPLETE;
 604                         i++;
 605                 } else {
 606                         return CMD_RET_USAGE;
 607                 }
 608         }
 609
 610         puts("Partition configuration:\n");
 611         if (pconf.user.enh_size) {
 612                 puts("\tUser Enhanced Start: ");
 613                 print_size(((u64)pconf.user.enh_start) << 9, "\n");
 614                 puts("\tUser Enhanced Size: ");
 615                 print_size(((u64)pconf.user.enh_size) << 9, "\n");
 616         } else {
 617                 puts("\tNo enhanced user data area\n");
 618         }
 619         if (pconf.user.wr_rel_change)
 620                 printf("\tUser partition write reliability: %s\n",
 621                        pconf.user.wr_rel_set ? "on" : "off");
 622         for (pidx = 0; pidx < 4; pidx++) {
 623                 if (pconf.gp_part[pidx].size) {
 624                         printf("\tGP%i Capacity: ", pidx+1);
 625                         print_size(((u64)pconf.gp_part[pidx].size) << 9,
 626                                    pconf.gp_part[pidx].enhanced ?
 627                                    " ENH\n" : "\n");
 628                 } else {
 629                         printf("\tNo GP%i partition\n", pidx+1);
 630                 }
 631                 if (pconf.gp_part[pidx].wr_rel_change)
 632                         printf("\tGP%i write reliability: %s\n", pidx+1,
 633                                pconf.gp_part[pidx].wr_rel_set ? "on" : "off");
 634         }
 635
 636         if (!mmc_hwpart_config(mmc, &pconf, mode)) {
 637                 if (mode == MMC_HWPART_CONF_COMPLETE)
 638                         puts("Partitioning successful, "
 639                              "power-cycle to make effective\n");
 640                 return CMD_RET_SUCCESS;
 641         } else {
 642                 puts("Failed!\n");
 643                 return CMD_RET_FAILURE;
 644         }
 645 }
 646
 647 #ifdef CONFIG_SUPPORT_EMMC_BOOT
 648 static int do_mmc_bootbus(cmd_tbl_t *cmdtp, int flag,
 649                           int argc, char * const argv[])
 650 {
 651         int dev;
 652         struct mmc *mmc;
 653         u8 width, reset, mode;
 654
 655         if (argc != 5)
 656                 return CMD_RET_USAGE;
 657         dev = simple_strtoul(argv[1], NULL, 10);
 658         width = simple_strtoul(argv[2], NULL, 10);
 659         reset = simple_strtoul(argv[3], NULL, 10);
 660         mode = simple_strtoul(argv[4], NULL, 10);
 661
 662         mmc = init_mmc_device(dev, false);
 663         if (!mmc)
 664                 return CMD_RET_FAILURE;
 665
 666         if (IS_SD(mmc)) {
 667                 puts("BOOT_BUS_WIDTH only exists on eMMC\n");
 668                 return CMD_RET_FAILURE;
 669         }
 670
 671         /* acknowledge to be sent during boot operation */
 672         return mmc_set_boot_bus_width(mmc, width, reset, mode);
 673 }
 674 static int do_mmc_boot_resize(cmd_tbl_t *cmdtp, int flag,
 675                               int argc, char * const argv[])
 676 {
 677         int dev;
 678         struct mmc *mmc;
 679         u32 bootsize, rpmbsize;
 680
 681         if (argc != 4)
 682                 return CMD_RET_USAGE;
 683         dev = simple_strtoul(argv[1], NULL, 10);
 684         bootsize = simple_strtoul(argv[2], NULL, 10);
 685         rpmbsize = simple_strtoul(argv[3], NULL, 10);
 686
 687         mmc = init_mmc_device(dev, false);
 688         if (!mmc)
 689                 return CMD_RET_FAILURE;
 690
 691         if (IS_SD(mmc)) {
 692                 printf("It is not a EMMC device\n");
 693                 return CMD_RET_FAILURE;
 694         }
 695
 696         if (mmc_boot_partition_size_change(mmc, bootsize, rpmbsize)) {
 697                 printf("EMMC boot partition Size change Failed.\n");
 698                 return CMD_RET_FAILURE;
 699         }
 700
 701         printf("EMMC boot partition Size %d MB\n", bootsize);
 702         printf("EMMC RPMB partition Size %d MB\n", rpmbsize);
 703         return CMD_RET_SUCCESS;
 704 }
 705 static int do_mmc_partconf(cmd_tbl_t *cmdtp, int flag,
 706                            int argc, char * const argv[])
 707 {
 708         int dev;
 709         struct mmc *mmc;
 710         u8 ack, part_num, access;
 711
 712         if (argc != 5)
 713                 return CMD_RET_USAGE;
 714
 715         dev = simple_strtoul(argv[1], NULL, 10);
 716         ack = simple_strtoul(argv[2], NULL, 10);
 717         part_num = simple_strtoul(argv[3], NULL, 10);
 718         access = simple_strtoul(argv[4], NULL, 10);
 719
 720         mmc = init_mmc_device(dev, false);
 721         if (!mmc)
 722                 return CMD_RET_FAILURE;
 723
 724         if (IS_SD(mmc)) {
 725                 puts("PARTITION_CONFIG only exists on eMMC\n");
 726                 return CMD_RET_FAILURE;
 727         }
 728
 729         /* acknowledge to be sent during boot operation */
 730         return mmc_set_part_conf(mmc, ack, part_num, access);
 731 }
 732 static int do_mmc_rst_func(cmd_tbl_t *cmdtp, int flag,
 733                            int argc, char * const argv[])
 734 {
 735         int dev;
 736         struct mmc *mmc;
 737         u8 enable;
 738
 739         /*
 740          * Set the RST_n_ENABLE bit of RST_n_FUNCTION
 741          * The only valid values are 0x0, 0x1 and 0x2 and writing
 742          * a value of 0x1 or 0x2 sets the value permanently.
 743          */
 744         if (argc != 3)
 745                 return CMD_RET_USAGE;
 746
 747         dev = simple_strtoul(argv[1], NULL, 10);
 748         enable = simple_strtoul(argv[2], NULL, 10);
 749
 750         if (enable > 2 || enable < 0) {
 751                 puts("Invalid RST_n_ENABLE value\n");
 752                 return CMD_RET_USAGE;
 753         }
 754
 755         mmc = init_mmc_device(dev, false);
 756         if (!mmc)
 757                 return CMD_RET_FAILURE;
 758
 759         if (IS_SD(mmc)) {
 760                 puts("RST_n_FUNCTION only exists on eMMC\n");
 761                 return CMD_RET_FAILURE;
 762         }
 763
 764         return mmc_set_rst_n_function(mmc, enable);
 765 }
 766 #endif
 767 static int do_mmc_setdsr(cmd_tbl_t *cmdtp, int flag,
 768                          int argc, char * const argv[])
 769 {
 770         struct mmc *mmc;
 771         u32 val;
 772         int ret;
 773
 774         if (argc != 2)
 775                 return CMD_RET_USAGE;
 776         val = simple_strtoul(argv[2], NULL, 16);
 777
 778         mmc = find_mmc_device(curr_device);
 779         if (!mmc) {
 780                 printf("no mmc device at slot %x\n", curr_device);
 781                 return CMD_RET_FAILURE;
 782         }
 783         ret = mmc_set_dsr(mmc, val);
 784         printf("set dsr %s\n", (!ret) ? "OK, force rescan" : "ERROR");
 785         if (!ret) {
 786                 mmc->has_init = 0;
 787                 if (mmc_init(mmc))
 788                         return CMD_RET_FAILURE;
 789                 else
 790                         return CMD_RET_SUCCESS;
 791         }
 792         return ret;
 793 }
 794
 795 static cmd_tbl_t cmd_mmc[] = {
 796         U_BOOT_CMD_MKENT(info, 1, 0, do_mmcinfo, "", ""),
 797         U_BOOT_CMD_MKENT(read, 4, 1, do_mmc_read, "", ""),
 798         U_BOOT_CMD_MKENT(write, 4, 0, do_mmc_write, "", ""),
 799         U_BOOT_CMD_MKENT(erase, 3, 0, do_mmc_erase, "", ""),
 800         U_BOOT_CMD_MKENT(rescan, 1, 1, do_mmc_rescan, "", ""),
 801         U_BOOT_CMD_MKENT(part, 1, 1, do_mmc_part, "", ""),
 802         U_BOOT_CMD_MKENT(dev, 3, 0, do_mmc_dev, "", ""),
 803         U_BOOT_CMD_MKENT(list, 1, 1, do_mmc_list, "", ""),
 804         U_BOOT_CMD_MKENT(hwpartition, 28, 0, do_mmc_hwpartition, "", ""),
 805 #ifdef CONFIG_SUPPORT_EMMC_BOOT
 806         U_BOOT_CMD_MKENT(bootbus, 5, 0, do_mmc_bootbus, "", ""),
 807         U_BOOT_CMD_MKENT(bootpart-resize, 4, 0, do_mmc_boot_resize, "", ""),
 808         U_BOOT_CMD_MKENT(partconf, 5, 0, do_mmc_partconf, "", ""),
 809         U_BOOT_CMD_MKENT(rst-function, 3, 0, do_mmc_rst_func, "", ""),
 810 #endif
 811 #ifdef CONFIG_SUPPORT_EMMC_RPMB
 812         U_BOOT_CMD_MKENT(rpmb, CONFIG_SYS_MAXARGS, 1, do_mmcrpmb, "", ""),
 813 #endif
 814         U_BOOT_CMD_MKENT(setdsr, 2, 0, do_mmc_setdsr, "", ""),
 815 };
 816
 817 static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 818 {
 819         cmd_tbl_t *cp;
 820
 821         cp = find_cmd_tbl(argv[1], cmd_mmc, ARRAY_SIZE(cmd_mmc));
 822
 823         /* Drop the mmc command */
 824         argc--;
 825         argv++;
 826
 827         if (cp == NULL || argc > cp->maxargs)
 828                 return CMD_RET_USAGE;
 829         if (flag == CMD_FLAG_REPEAT && !cp->repeatable)
 830                 return CMD_RET_SUCCESS;
 831
 832         if (curr_device < 0) {
 833                 if (get_mmc_num() > 0) {
 834                         curr_device = 0;
 835                 } else {
 836                         puts("No MMC device available\n");
 837                         return CMD_RET_FAILURE;
 838                 }
 839         }
 840         return cp->cmd(cmdtp, flag, argc, argv);
 841 }
 842
 843 U_BOOT_CMD(
 844         mmc, 29, 1, do_mmcops,
 845         "MMC sub system",
 846         "info - display info of the current MMC device\n"
 847         "mmc read addr blk# cnt\n"
 848         "mmc write addr blk# cnt\n"
 849         "mmc erase blk# cnt\n"
 850         "mmc rescan\n"
 851         "mmc part - lists available partition on current mmc device\n"
 852         "mmc dev [dev] [part] - show or set current mmc device [partition]\n"
 853         "mmc list - lists available devices\n"
 854         "mmc hwpartition [args...] - does hardware partitioning\n"
 855         "  arguments (sizes in 512-byte blocks):\n"
 856         "    [user [enh start cnt] [wrrel {on|off}]] - sets user data area attributes\n"
 857         "    [gp1|gp2|gp3|gp4 cnt [enh] [wrrel {on|off}]] - general purpose partition\n"
 858         "    [check|set|complete] - mode, complete set partitioning completed\n"
 859         "  WARNING: Partitioning is a write-once setting once it is set to complete.\n"
 860         "  Power cycling is required to initialize partitions after set to complete.\n"
 861 #ifdef CONFIG_SUPPORT_EMMC_BOOT
 862         "mmc bootbus dev boot_bus_width reset_boot_bus_width boot_mode\n"
 863         " - Set the BOOT_BUS_WIDTH field of the specified device\n"
 864         "mmc bootpart-resize <dev> <boot part size MB> <RPMB part size MB>\n"
 865         " - Change sizes of boot and RPMB partitions of specified device\n"
 866         "mmc partconf dev boot_ack boot_partition partition_access\n"
 867         " - Change the bits of the PARTITION_CONFIG field of the specified device\n"
 868         "mmc rst-function dev value\n"
 869         " - Change the RST_n_FUNCTION field of the specified device\n"
 870         "   WARNING: This is a write-once field and 0 / 1 / 2 are the only valid values.\n"
 871 #endif
 872 #ifdef CONFIG_SUPPORT_EMMC_RPMB
 873         "mmc rpmb read addr blk# cnt [address of auth-key] - block size is 256 bytes\n"
 874         "mmc rpmb write addr blk# cnt <address of auth-key> - block size is 256 bytes\n"
 875         "mmc rpmb key <address of auth-key> - program the RPMB authentication key.\n"
 876         "mmc rpmb counter - read the value of the write counter\n"
 877 #endif
 878         "mmc setdsr <value> - set DSR register value\n"
 879         );
 880
 881 /* Old command kept for compatibility. Same as 'mmc info' */
 882 U_BOOT_CMD(
 883         mmcinfo, 1, 0, do_mmcinfo,
 884         "display MMC info",
 885         "- display info of the current MMC device"
 886 );
 887
 888 #endif /* !CONFIG_GENERIC_MMC */