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