cmd/mmc.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * (C) Copyright 2003
   4  * Kyle Harris, [email protected]
   5  */
   6
   7 #include <common.h>
   8 #include <blk.h>
   9 #include <command.h>
  10 #include <console.h>
  11 #include <memalign.h>
  12 #include <mmc.h>
  13 #include <part.h>
  14 #include <sparse_format.h>
  15 #include <image-sparse.h>
  16
  17 static int curr_device = -1;
  18
  19 static void print_mmcinfo(struct mmc *mmc)
  20 {
  21         int i;
  22
  23         printf("Device: %s\n", mmc->cfg->name);
  24         printf("Manufacturer ID: %x\n", mmc->cid[0] >> 24);
  25         if (IS_SD(mmc)) {
  26                 printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xffff);
  27                 printf("Name: %c%c%c%c%c \n", mmc->cid[0] & 0xff,
  28                 (mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff,
  29                 (mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff);
  30         } else {
  31                 printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xff);
  32                 printf("Name: %c%c%c%c%c%c \n", mmc->cid[0] & 0xff,
  33                 (mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff,
  34                 (mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff,
  35                 (mmc->cid[2] >> 24));
  36         }
  37
  38         printf("Bus Speed: %d\n", mmc->clock);
  39 #if CONFIG_IS_ENABLED(MMC_VERBOSE)
  40         printf("Mode: %s\n", mmc_mode_name(mmc->selected_mode));
  41         mmc_dump_capabilities("card capabilities", mmc->card_caps);
  42         mmc_dump_capabilities("host capabilities", mmc->host_caps);
  43 #endif
  44         printf("Rd Block Len: %d\n", mmc->read_bl_len);
  45
  46         printf("%s version %d.%d", IS_SD(mmc) ? "SD" : "MMC",
  47                         EXTRACT_SDMMC_MAJOR_VERSION(mmc->version),
  48                         EXTRACT_SDMMC_MINOR_VERSION(mmc->version));
  49         if (EXTRACT_SDMMC_CHANGE_VERSION(mmc->version) != 0)
  50                 printf(".%d", EXTRACT_SDMMC_CHANGE_VERSION(mmc->version));
  51         printf("\n");
  52
  53         printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No");
  54         puts("Capacity: ");
  55         print_size(mmc->capacity, "\n");
  56
  57         printf("Bus Width: %d-bit%s\n", mmc->bus_width,
  58                         mmc->ddr_mode ? " DDR" : "");
  59
  60 #if CONFIG_IS_ENABLED(MMC_WRITE)
  61         puts("Erase Group Size: ");
  62         print_size(((u64)mmc->erase_grp_size) << 9, "\n");
  63 #endif
  64
  65         if (!IS_SD(mmc) && mmc->version >= MMC_VERSION_4_41) {
  66                 bool has_enh = (mmc->part_support & ENHNCD_SUPPORT) != 0;
  67                 bool usr_enh = has_enh && (mmc->part_attr & EXT_CSD_ENH_USR);
  68                 ALLOC_CACHE_ALIGN_BUFFER(u8, ext_csd, MMC_MAX_BLOCK_LEN);
  69                 u8 wp;
  70                 int ret;
  71
  72 #if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
  73                 puts("HC WP Group Size: ");
  74                 print_size(((u64)mmc->hc_wp_grp_size) << 9, "\n");
  75 #endif
  76
  77                 puts("User Capacity: ");
  78                 print_size(mmc->capacity_user, usr_enh ? " ENH" : "");
  79                 if (mmc->wr_rel_set & EXT_CSD_WR_DATA_REL_USR)
  80                         puts(" WRREL\n");
  81                 else
  82                         putc('\n');
  83                 if (usr_enh) {
  84                         puts("User Enhanced Start: ");
  85                         print_size(mmc->enh_user_start, "\n");
  86                         puts("User Enhanced Size: ");
  87                         print_size(mmc->enh_user_size, "\n");
  88                 }
  89                 puts("Boot Capacity: ");
  90                 print_size(mmc->capacity_boot, has_enh ? " ENH\n" : "\n");
  91                 puts("RPMB Capacity: ");
  92                 print_size(mmc->capacity_rpmb, has_enh ? " ENH\n" : "\n");
  93
  94                 for (i = 0; i < ARRAY_SIZE(mmc->capacity_gp); i++) {
  95                         bool is_enh = has_enh &&
  96                                 (mmc->part_attr & EXT_CSD_ENH_GP(i));
  97                         if (mmc->capacity_gp[i]) {
  98                                 printf("GP%i Capacity: ", i+1);
  99                                 print_size(mmc->capacity_gp[i],
 100                                            is_enh ? " ENH" : "");
 101                                 if (mmc->wr_rel_set & EXT_CSD_WR_DATA_REL_GP(i))
 102                                         puts(" WRREL\n");
 103                                 else
 104                                         putc('\n');
 105                         }
 106                 }
 107                 ret = mmc_send_ext_csd(mmc, ext_csd);
 108                 if (ret)
 109                         return;
 110                 wp = ext_csd[EXT_CSD_BOOT_WP_STATUS];
 111                 for (i = 0; i < 2; ++i) {
 112                         printf("Boot area %d is ", i);
 113                         switch (wp & 3) {
 114                         case 0:
 115                                 printf("not write protected\n");
 116                                 break;
 117                         case 1:
 118                                 printf("power on protected\n");
 119                                 break;
 120                         case 2:
 121                                 printf("permanently protected\n");
 122                                 break;
 123                         default:
 124                                 printf("in reserved protection state\n");
 125                                 break;
 126                         }
 127                         wp >>= 2;
 128                 }
 129         }
 130 }
 131
 132 static struct mmc *__init_mmc_device(int dev, bool force_init,
 133                                      enum bus_mode speed_mode)
 134 {
 135         struct mmc *mmc;
 136         mmc = find_mmc_device(dev);
 137         if (!mmc) {
 138                 printf("no mmc device at slot %x\n", dev);
 139                 return NULL;
 140         }
 141
 142         if (!mmc_getcd(mmc))
 143                 force_init = true;
 144
 145         if (force_init)
 146                 mmc->has_init = 0;
 147
 148         if (IS_ENABLED(CONFIG_MMC_SPEED_MODE_SET))
 149                 mmc->user_speed_mode = speed_mode;
 150
 151         if (mmc_init(mmc))
 152                 return NULL;
 153
 154 #ifdef CONFIG_BLOCK_CACHE
 155         struct blk_desc *bd = mmc_get_blk_desc(mmc);
 156         blkcache_invalidate(bd->if_type, bd->devnum);
 157 #endif
 158
 159         return mmc;
 160 }
 161
 162 static struct mmc *init_mmc_device(int dev, bool force_init)
 163 {
 164         return __init_mmc_device(dev, force_init, MMC_MODES_END);
 165 }
 166
 167 static int do_mmcinfo(struct cmd_tbl *cmdtp, int flag, int argc,
 168                       char *const argv[])
 169 {
 170         struct mmc *mmc;
 171
 172         if (curr_device < 0) {
 173                 if (get_mmc_num() > 0)
 174                         curr_device = 0;
 175                 else {
 176                         puts("No MMC device available\n");
 177                         return 1;
 178                 }
 179         }
 180
 181         mmc = init_mmc_device(curr_device, false);
 182         if (!mmc)
 183                 return CMD_RET_FAILURE;
 184
 185         print_mmcinfo(mmc);
 186         return CMD_RET_SUCCESS;
 187 }
 188
 189 #if CONFIG_IS_ENABLED(CMD_MMC_RPMB)
 190 static int confirm_key_prog(void)
 191 {
 192         puts("Warning: Programming authentication key can be done only once !\n"
 193              "         Use this command only if you are sure of what you are doing,\n"
 194              "Really perform the key programming? <y/N> ");
 195         if (confirm_yesno())
 196                 return 1;
 197
 198         puts("Authentication key programming aborted\n");
 199         return 0;
 200 }
 201
 202 static int do_mmcrpmb_key(struct cmd_tbl *cmdtp, int flag,
 203                           int argc, char *const argv[])
 204 {
 205         void *key_addr;
 206         struct mmc *mmc = find_mmc_device(curr_device);
 207
 208         if (argc != 2)
 209                 return CMD_RET_USAGE;
 210
 211         key_addr = (void *)hextoul(argv[1], NULL);
 212         if (!confirm_key_prog())
 213                 return CMD_RET_FAILURE;
 214         if (mmc_rpmb_set_key(mmc, key_addr)) {
 215                 printf("ERROR - Key already programmed ?\n");
 216                 return CMD_RET_FAILURE;
 217         }
 218         return CMD_RET_SUCCESS;
 219 }
 220
 221 static int do_mmcrpmb_read(struct cmd_tbl *cmdtp, int flag,
 222                            int argc, char *const argv[])
 223 {
 224         u16 blk, cnt;
 225         void *addr;
 226         int n;
 227         void *key_addr = NULL;
 228         struct mmc *mmc = find_mmc_device(curr_device);
 229
 230         if (argc < 4)
 231                 return CMD_RET_USAGE;
 232
 233         addr = (void *)hextoul(argv[1], NULL);
 234         blk = hextoul(argv[2], NULL);
 235         cnt = hextoul(argv[3], NULL);
 236
 237         if (argc == 5)
 238                 key_addr = (void *)hextoul(argv[4], NULL);
 239
 240         printf("\nMMC RPMB read: dev # %d, block # %d, count %d ... ",
 241                curr_device, blk, cnt);
 242         n =  mmc_rpmb_read(mmc, addr, blk, cnt, key_addr);
 243
 244         printf("%d RPMB blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");
 245         if (n != cnt)
 246                 return CMD_RET_FAILURE;
 247         return CMD_RET_SUCCESS;
 248 }
 249
 250 static int do_mmcrpmb_write(struct cmd_tbl *cmdtp, int flag,
 251                             int argc, char *const argv[])
 252 {
 253         u16 blk, cnt;
 254         void *addr;
 255         int n;
 256         void *key_addr;
 257         struct mmc *mmc = find_mmc_device(curr_device);
 258
 259         if (argc != 5)
 260                 return CMD_RET_USAGE;
 261
 262         addr = (void *)hextoul(argv[1], NULL);
 263         blk = hextoul(argv[2], NULL);
 264         cnt = hextoul(argv[3], NULL);
 265         key_addr = (void *)hextoul(argv[4], NULL);
 266
 267         printf("\nMMC RPMB write: dev # %d, block # %d, count %d ... ",
 268                curr_device, blk, cnt);
 269         n =  mmc_rpmb_write(mmc, addr, blk, cnt, key_addr);
 270
 271         printf("%d RPMB blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");
 272         if (n != cnt)
 273                 return CMD_RET_FAILURE;
 274         return CMD_RET_SUCCESS;
 275 }
 276
 277 static int do_mmcrpmb_counter(struct cmd_tbl *cmdtp, int flag,
 278                               int argc, char *const argv[])
 279 {
 280         unsigned long counter;
 281         struct mmc *mmc = find_mmc_device(curr_device);
 282
 283         if (mmc_rpmb_get_counter(mmc, &counter))
 284                 return CMD_RET_FAILURE;
 285         printf("RPMB Write counter= %lx\n", counter);
 286         return CMD_RET_SUCCESS;
 287 }
 288
 289 static struct cmd_tbl cmd_rpmb[] = {
 290         U_BOOT_CMD_MKENT(key, 2, 0, do_mmcrpmb_key, "", ""),
 291         U_BOOT_CMD_MKENT(read, 5, 1, do_mmcrpmb_read, "", ""),
 292         U_BOOT_CMD_MKENT(write, 5, 0, do_mmcrpmb_write, "", ""),
 293         U_BOOT_CMD_MKENT(counter, 1, 1, do_mmcrpmb_counter, "", ""),
 294 };
 295
 296 static int do_mmcrpmb(struct cmd_tbl *cmdtp, int flag,
 297                       int argc, char *const argv[])
 298 {
 299         struct cmd_tbl *cp;
 300         struct mmc *mmc;
 301         char original_part;
 302         int ret;
 303
 304         cp = find_cmd_tbl(argv[1], cmd_rpmb, ARRAY_SIZE(cmd_rpmb));
 305
 306         /* Drop the rpmb subcommand */
 307         argc--;
 308         argv++;
 309
 310         if (cp == NULL || argc > cp->maxargs)
 311                 return CMD_RET_USAGE;
 312         if (flag == CMD_FLAG_REPEAT && !cmd_is_repeatable(cp))
 313                 return CMD_RET_SUCCESS;
 314
 315         mmc = init_mmc_device(curr_device, false);
 316         if (!mmc)
 317                 return CMD_RET_FAILURE;
 318
 319         if (!(mmc->version & MMC_VERSION_MMC)) {
 320                 printf("It is not an eMMC device\n");
 321                 return CMD_RET_FAILURE;
 322         }
 323         if (mmc->version < MMC_VERSION_4_41) {
 324                 printf("RPMB not supported before version 4.41\n");
 325                 return CMD_RET_FAILURE;
 326         }
 327         /* Switch to the RPMB partition */
 328 #ifndef CONFIG_BLK
 329         original_part = mmc->block_dev.hwpart;
 330 #else
 331         original_part = mmc_get_blk_desc(mmc)->hwpart;
 332 #endif
 333         if (blk_select_hwpart_devnum(IF_TYPE_MMC, curr_device, MMC_PART_RPMB) !=
 334             0)
 335                 return CMD_RET_FAILURE;
 336         ret = cp->cmd(cmdtp, flag, argc, argv);
 337
 338         /* Return to original partition */
 339         if (blk_select_hwpart_devnum(IF_TYPE_MMC, curr_device, original_part) !=
 340             0)
 341                 return CMD_RET_FAILURE;
 342         return ret;
 343 }
 344 #endif
 345
 346 static int do_mmc_read(struct cmd_tbl *cmdtp, int flag,
 347                        int argc, char *const argv[])
 348 {
 349         struct mmc *mmc;
 350         u32 blk, cnt, n;
 351         void *addr;
 352
 353         if (argc != 4)
 354                 return CMD_RET_USAGE;
 355
 356         addr = (void *)hextoul(argv[1], NULL);
 357         blk = hextoul(argv[2], NULL);
 358         cnt = hextoul(argv[3], NULL);
 359
 360         mmc = init_mmc_device(curr_device, false);
 361         if (!mmc)
 362                 return CMD_RET_FAILURE;
 363
 364         printf("\nMMC read: dev # %d, block # %d, count %d ... ",
 365                curr_device, blk, cnt);
 366
 367         n = blk_dread(mmc_get_blk_desc(mmc), blk, cnt, addr);
 368         printf("%d blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");
 369
 370         return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
 371 }
 372
 373 #if CONFIG_IS_ENABLED(CMD_MMC_SWRITE)
 374 static lbaint_t mmc_sparse_write(struct sparse_storage *info, lbaint_t blk,
 375                                  lbaint_t blkcnt, const void *buffer)
 376 {
 377         struct blk_desc *dev_desc = info->priv;
 378
 379         return blk_dwrite(dev_desc, blk, blkcnt, buffer);
 380 }
 381
 382 static lbaint_t mmc_sparse_reserve(struct sparse_storage *info,
 383                                    lbaint_t blk, lbaint_t blkcnt)
 384 {
 385         return blkcnt;
 386 }
 387
 388 static int do_mmc_sparse_write(struct cmd_tbl *cmdtp, int flag,
 389                                int argc, char *const argv[])
 390 {
 391         struct sparse_storage sparse;
 392         struct blk_desc *dev_desc;
 393         struct mmc *mmc;
 394         char dest[11];
 395         void *addr;
 396         u32 blk;
 397
 398         if (argc != 3)
 399                 return CMD_RET_USAGE;
 400
 401         addr = (void *)hextoul(argv[1], NULL);
 402         blk = hextoul(argv[2], NULL);
 403
 404         if (!is_sparse_image(addr)) {
 405                 printf("Not a sparse image\n");
 406                 return CMD_RET_FAILURE;
 407         }
 408
 409         mmc = init_mmc_device(curr_device, false);
 410         if (!mmc)
 411                 return CMD_RET_FAILURE;
 412
 413         printf("\nMMC Sparse write: dev # %d, block # %d ... ",
 414                curr_device, blk);
 415
 416         if (mmc_getwp(mmc) == 1) {
 417                 printf("Error: card is write protected!\n");
 418                 return CMD_RET_FAILURE;
 419         }
 420
 421         dev_desc = mmc_get_blk_desc(mmc);
 422         sparse.priv = dev_desc;
 423         sparse.blksz = 512;
 424         sparse.start = blk;
 425         sparse.size = dev_desc->lba - blk;
 426         sparse.write = mmc_sparse_write;
 427         sparse.reserve = mmc_sparse_reserve;
 428         sparse.mssg = NULL;
 429         sprintf(dest, "0x" LBAF, sparse.start * sparse.blksz);
 430
 431         if (write_sparse_image(&sparse, dest, addr, NULL))
 432                 return CMD_RET_FAILURE;
 433         else
 434                 return CMD_RET_SUCCESS;
 435 }
 436 #endif
 437
 438 #if CONFIG_IS_ENABLED(MMC_WRITE)
 439 static int do_mmc_write(struct cmd_tbl *cmdtp, int flag,
 440                         int argc, char *const argv[])
 441 {
 442         struct mmc *mmc;
 443         u32 blk, cnt, n;
 444         void *addr;
 445
 446         if (argc != 4)
 447                 return CMD_RET_USAGE;
 448
 449         addr = (void *)hextoul(argv[1], NULL);
 450         blk = hextoul(argv[2], NULL);
 451         cnt = hextoul(argv[3], NULL);
 452
 453         mmc = init_mmc_device(curr_device, false);
 454         if (!mmc)
 455                 return CMD_RET_FAILURE;
 456
 457         printf("\nMMC write: dev # %d, block # %d, count %d ... ",
 458                curr_device, blk, cnt);
 459
 460         if (mmc_getwp(mmc) == 1) {
 461                 printf("Error: card is write protected!\n");
 462                 return CMD_RET_FAILURE;
 463         }
 464         n = blk_dwrite(mmc_get_blk_desc(mmc), blk, cnt, addr);
 465         printf("%d blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");
 466
 467         return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
 468 }
 469
 470 static int do_mmc_erase(struct cmd_tbl *cmdtp, int flag,
 471                         int argc, char *const argv[])
 472 {
 473         struct mmc *mmc;
 474         u32 blk, cnt, n;
 475
 476         if (argc != 3)
 477                 return CMD_RET_USAGE;
 478
 479         blk = hextoul(argv[1], NULL);
 480         cnt = hextoul(argv[2], NULL);
 481
 482         mmc = init_mmc_device(curr_device, false);
 483         if (!mmc)
 484                 return CMD_RET_FAILURE;
 485
 486         printf("\nMMC erase: dev # %d, block # %d, count %d ... ",
 487                curr_device, blk, cnt);
 488
 489         if (mmc_getwp(mmc) == 1) {
 490                 printf("Error: card is write protected!\n");
 491                 return CMD_RET_FAILURE;
 492         }
 493         n = blk_derase(mmc_get_blk_desc(mmc), blk, cnt);
 494         printf("%d blocks erased: %s\n", n, (n == cnt) ? "OK" : "ERROR");
 495
 496         return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
 497 }
 498 #endif
 499
 500 static int do_mmc_rescan(struct cmd_tbl *cmdtp, int flag,
 501                          int argc, char *const argv[])
 502 {
 503         struct mmc *mmc;
 504
 505         if (argc == 1) {
 506                 mmc = init_mmc_device(curr_device, true);
 507         } else if (argc == 2) {
 508                 enum bus_mode speed_mode;
 509
 510                 speed_mode = (int)dectoul(argv[1], NULL);
 511                 mmc = __init_mmc_device(curr_device, true, speed_mode);
 512         } else {
 513                 return CMD_RET_USAGE;
 514         }
 515
 516         if (!mmc)
 517                 return CMD_RET_FAILURE;
 518
 519         return CMD_RET_SUCCESS;
 520 }
 521
 522 static int do_mmc_part(struct cmd_tbl *cmdtp, int flag,
 523                        int argc, char *const argv[])
 524 {
 525         struct blk_desc *mmc_dev;
 526         struct mmc *mmc;
 527
 528         mmc = init_mmc_device(curr_device, false);
 529         if (!mmc)
 530                 return CMD_RET_FAILURE;
 531
 532         mmc_dev = blk_get_devnum_by_type(IF_TYPE_MMC, curr_device);
 533         if (mmc_dev != NULL && mmc_dev->type != DEV_TYPE_UNKNOWN) {
 534                 part_print(mmc_dev);
 535                 return CMD_RET_SUCCESS;
 536         }
 537
 538         puts("get mmc type error!\n");
 539         return CMD_RET_FAILURE;
 540 }
 541
 542 static int do_mmc_dev(struct cmd_tbl *cmdtp, int flag,
 543                       int argc, char *const argv[])
 544 {
 545         int dev, part = 0, ret;
 546         struct mmc *mmc;
 547
 548         if (argc == 1) {
 549                 dev = curr_device;
 550                 mmc = init_mmc_device(dev, true);
 551         } else if (argc == 2) {
 552                 dev = (int)dectoul(argv[1], NULL);
 553                 mmc = init_mmc_device(dev, true);
 554         } else if (argc == 3) {
 555                 dev = (int)dectoul(argv[1], NULL);
 556                 part = (int)dectoul(argv[2], NULL);
 557                 if (part > PART_ACCESS_MASK) {
 558                         printf("#part_num shouldn't be larger than %d\n",
 559                                PART_ACCESS_MASK);
 560                         return CMD_RET_FAILURE;
 561                 }
 562                 mmc = init_mmc_device(dev, true);
 563         } else if (argc == 4) {
 564                 enum bus_mode speed_mode;
 565
 566                 dev = (int)dectoul(argv[1], NULL);
 567                 part = (int)dectoul(argv[2], NULL);
 568                 if (part > PART_ACCESS_MASK) {
 569                         printf("#part_num shouldn't be larger than %d\n",
 570                                PART_ACCESS_MASK);
 571                         return CMD_RET_FAILURE;
 572                 }
 573                 speed_mode = (int)dectoul(argv[3], NULL);
 574                 mmc = __init_mmc_device(dev, true, speed_mode);
 575         } else {
 576                 return CMD_RET_USAGE;
 577         }
 578
 579         if (!mmc)
 580                 return CMD_RET_FAILURE;
 581
 582         ret = blk_select_hwpart_devnum(IF_TYPE_MMC, dev, part);
 583         printf("switch to partitions #%d, %s\n",
 584                part, (!ret) ? "OK" : "ERROR");
 585         if (ret)
 586                 return 1;
 587
 588         curr_device = dev;
 589         if (mmc->part_config == MMCPART_NOAVAILABLE)
 590                 printf("mmc%d is current device\n", curr_device);
 591         else
 592                 printf("mmc%d(part %d) is current device\n",
 593                        curr_device, mmc_get_blk_desc(mmc)->hwpart);
 594
 595         return CMD_RET_SUCCESS;
 596 }
 597
 598 static int do_mmc_list(struct cmd_tbl *cmdtp, int flag,
 599                        int argc, char *const argv[])
 600 {
 601         print_mmc_devices('\n');
 602         return CMD_RET_SUCCESS;
 603 }
 604
 605 #if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
 606 static void parse_hwpart_user_enh_size(struct mmc *mmc,
 607                                        struct mmc_hwpart_conf *pconf,
 608                                        char *argv)
 609 {
 610         int i, ret;
 611
 612         pconf->user.enh_size = 0;
 613
 614         if (!strcmp(argv, "-")) { /* The rest of eMMC */
 615                 ALLOC_CACHE_ALIGN_BUFFER(u8, ext_csd, MMC_MAX_BLOCK_LEN);
 616                 ret = mmc_send_ext_csd(mmc, ext_csd);
 617                 if (ret)
 618                         return;
 619                 /* The enh_size value is in 512B block units */
 620                 pconf->user.enh_size =
 621                         ((ext_csd[EXT_CSD_MAX_ENH_SIZE_MULT + 2] << 16) +
 622                         (ext_csd[EXT_CSD_MAX_ENH_SIZE_MULT + 1] << 8) +
 623                         ext_csd[EXT_CSD_MAX_ENH_SIZE_MULT]) * 1024 *
 624                         ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE] *
 625                         ext_csd[EXT_CSD_HC_WP_GRP_SIZE];
 626                 pconf->user.enh_size -= pconf->user.enh_start;
 627                 for (i = 0; i < ARRAY_SIZE(mmc->capacity_gp); i++) {
 628                         /*
 629                          * If the eMMC already has GP partitions set,
 630                          * subtract their size from the maximum USER
 631                          * partition size.
 632                          *
 633                          * Else, if the command was used to configure new
 634                          * GP partitions, subtract their size from maximum
 635                          * USER partition size.
 636                          */
 637                         if (mmc->capacity_gp[i]) {
 638                                 /* The capacity_gp is in 1B units */
 639                                 pconf->user.enh_size -= mmc->capacity_gp[i] >> 9;
 640                         } else if (pconf->gp_part[i].size) {
 641                                 /* The gp_part[].size is in 512B units */
 642                                 pconf->user.enh_size -= pconf->gp_part[i].size;
 643                         }
 644                 }
 645         } else {
 646                 pconf->user.enh_size = dectoul(argv, NULL);
 647         }
 648 }
 649
 650 static int parse_hwpart_user(struct mmc *mmc, struct mmc_hwpart_conf *pconf,
 651                              int argc, char *const argv[])
 652 {
 653         int i = 0;
 654
 655         memset(&pconf->user, 0, sizeof(pconf->user));
 656
 657         while (i < argc) {
 658                 if (!strcmp(argv[i], "enh")) {
 659                         if (i + 2 >= argc)
 660                                 return -1;
 661                         pconf->user.enh_start =
 662                                 dectoul(argv[i + 1], NULL);
 663                         parse_hwpart_user_enh_size(mmc, pconf, argv[i + 2]);
 664                         i += 3;
 665                 } else if (!strcmp(argv[i], "wrrel")) {
 666                         if (i + 1 >= argc)
 667                                 return -1;
 668                         pconf->user.wr_rel_change = 1;
 669                         if (!strcmp(argv[i+1], "on"))
 670                                 pconf->user.wr_rel_set = 1;
 671                         else if (!strcmp(argv[i+1], "off"))
 672                                 pconf->user.wr_rel_set = 0;
 673                         else
 674                                 return -1;
 675                         i += 2;
 676                 } else {
 677                         break;
 678                 }
 679         }
 680         return i;
 681 }
 682
 683 static int parse_hwpart_gp(struct mmc_hwpart_conf *pconf, int pidx,
 684                            int argc, char *const argv[])
 685 {
 686         int i;
 687
 688         memset(&pconf->gp_part[pidx], 0, sizeof(pconf->gp_part[pidx]));
 689
 690         if (1 >= argc)
 691                 return -1;
 692         pconf->gp_part[pidx].size = dectoul(argv[0], NULL);
 693
 694         i = 1;
 695         while (i < argc) {
 696                 if (!strcmp(argv[i], "enh")) {
 697                         pconf->gp_part[pidx].enhanced = 1;
 698                         i += 1;
 699                 } else if (!strcmp(argv[i], "wrrel")) {
 700                         if (i + 1 >= argc)
 701                                 return -1;
 702                         pconf->gp_part[pidx].wr_rel_change = 1;
 703                         if (!strcmp(argv[i+1], "on"))
 704                                 pconf->gp_part[pidx].wr_rel_set = 1;
 705                         else if (!strcmp(argv[i+1], "off"))
 706                                 pconf->gp_part[pidx].wr_rel_set = 0;
 707                         else
 708                                 return -1;
 709                         i += 2;
 710                 } else {
 711                         break;
 712                 }
 713         }
 714         return i;
 715 }
 716
 717 static int do_mmc_hwpartition(struct cmd_tbl *cmdtp, int flag,
 718                               int argc, char *const argv[])
 719 {
 720         struct mmc *mmc;
 721         struct mmc_hwpart_conf pconf = { };
 722         enum mmc_hwpart_conf_mode mode = MMC_HWPART_CONF_CHECK;
 723         int i, r, pidx;
 724
 725         mmc = init_mmc_device(curr_device, false);
 726         if (!mmc)
 727                 return CMD_RET_FAILURE;
 728
 729         if (IS_SD(mmc)) {
 730                 puts("SD doesn't support partitioning\n");
 731                 return CMD_RET_FAILURE;
 732         }
 733
 734         if (argc < 1)
 735                 return CMD_RET_USAGE;
 736         i = 1;
 737         while (i < argc) {
 738                 if (!strcmp(argv[i], "user")) {
 739                         i++;
 740                         r = parse_hwpart_user(mmc, &pconf, argc - i, &argv[i]);
 741                         if (r < 0)
 742                                 return CMD_RET_USAGE;
 743                         i += r;
 744                 } else if (!strncmp(argv[i], "gp", 2) &&
 745                            strlen(argv[i]) == 3 &&
 746                            argv[i][2] >= '1' && argv[i][2] <= '4') {
 747                         pidx = argv[i][2] - '1';
 748                         i++;
 749                         r = parse_hwpart_gp(&pconf, pidx, argc-i, &argv[i]);
 750                         if (r < 0)
 751                                 return CMD_RET_USAGE;
 752                         i += r;
 753                 } else if (!strcmp(argv[i], "check")) {
 754                         mode = MMC_HWPART_CONF_CHECK;
 755                         i++;
 756                 } else if (!strcmp(argv[i], "set")) {
 757                         mode = MMC_HWPART_CONF_SET;
 758                         i++;
 759                 } else if (!strcmp(argv[i], "complete")) {
 760                         mode = MMC_HWPART_CONF_COMPLETE;
 761                         i++;
 762                 } else {
 763                         return CMD_RET_USAGE;
 764                 }
 765         }
 766
 767         puts("Partition configuration:\n");
 768         if (pconf.user.enh_size) {
 769                 puts("\tUser Enhanced Start: ");
 770                 print_size(((u64)pconf.user.enh_start) << 9, "\n");
 771                 puts("\tUser Enhanced Size: ");
 772                 print_size(((u64)pconf.user.enh_size) << 9, "\n");
 773         } else {
 774                 puts("\tNo enhanced user data area\n");
 775         }
 776         if (pconf.user.wr_rel_change)
 777                 printf("\tUser partition write reliability: %s\n",
 778                        pconf.user.wr_rel_set ? "on" : "off");
 779         for (pidx = 0; pidx < 4; pidx++) {
 780                 if (pconf.gp_part[pidx].size) {
 781                         printf("\tGP%i Capacity: ", pidx+1);
 782                         print_size(((u64)pconf.gp_part[pidx].size) << 9,
 783                                    pconf.gp_part[pidx].enhanced ?
 784                                    " ENH\n" : "\n");
 785                 } else {
 786                         printf("\tNo GP%i partition\n", pidx+1);
 787                 }
 788                 if (pconf.gp_part[pidx].wr_rel_change)
 789                         printf("\tGP%i write reliability: %s\n", pidx+1,
 790                                pconf.gp_part[pidx].wr_rel_set ? "on" : "off");
 791         }
 792
 793         if (!mmc_hwpart_config(mmc, &pconf, mode)) {
 794                 if (mode == MMC_HWPART_CONF_COMPLETE)
 795                         puts("Partitioning successful, "
 796                              "power-cycle to make effective\n");
 797                 return CMD_RET_SUCCESS;
 798         } else {
 799                 puts("Failed!\n");
 800                 return CMD_RET_FAILURE;
 801         }
 802 }
 803 #endif
 804
 805 #ifdef CONFIG_SUPPORT_EMMC_BOOT
 806 static int do_mmc_bootbus(struct cmd_tbl *cmdtp, int flag,
 807                           int argc, char *const argv[])
 808 {
 809         int dev;
 810         struct mmc *mmc;
 811         u8 width, reset, mode;
 812
 813         if (argc != 5)
 814                 return CMD_RET_USAGE;
 815         dev = dectoul(argv[1], NULL);
 816         width = dectoul(argv[2], NULL);
 817         reset = dectoul(argv[3], NULL);
 818         mode = dectoul(argv[4], NULL);
 819
 820         mmc = init_mmc_device(dev, false);
 821         if (!mmc)
 822                 return CMD_RET_FAILURE;
 823
 824         if (IS_SD(mmc)) {
 825                 puts("BOOT_BUS_WIDTH only exists on eMMC\n");
 826                 return CMD_RET_FAILURE;
 827         }
 828
 829         /*
 830          * BOOT_BUS_CONDITIONS[177]
 831          * BOOT_MODE[4:3]
 832          * 0x0 : Use SDR + Backward compatible timing in boot operation
 833          * 0x1 : Use SDR + High Speed Timing in boot operation mode
 834          * 0x2 : Use DDR in boot operation
 835          * RESET_BOOT_BUS_CONDITIONS
 836          * 0x0 : Reset bus width to x1, SDR, Backward compatible
 837          * 0x1 : Retain BOOT_BUS_WIDTH and BOOT_MODE
 838          * BOOT_BUS_WIDTH
 839          * 0x0 : x1(sdr) or x4 (ddr) buswidth
 840          * 0x1 : x4(sdr/ddr) buswith
 841          * 0x2 : x8(sdr/ddr) buswith
 842          *
 843          */
 844         if (width >= 0x3) {
 845                 printf("boot_bus_width %d is invalid\n", width);
 846                 return CMD_RET_FAILURE;
 847         }
 848
 849         if (reset >= 0x2) {
 850                 printf("reset_boot_bus_width %d is invalid\n", reset);
 851                 return CMD_RET_FAILURE;
 852         }
 853
 854         if (mode >= 0x3) {
 855                 printf("reset_boot_bus_width %d is invalid\n", mode);
 856                 return CMD_RET_FAILURE;
 857         }
 858
 859         /* acknowledge to be sent during boot operation */
 860         if (mmc_set_boot_bus_width(mmc, width, reset, mode)) {
 861                 puts("BOOT_BUS_WIDTH is failed to change.\n");
 862                 return CMD_RET_FAILURE;
 863         }
 864
 865         printf("Set to BOOT_BUS_WIDTH = 0x%x, RESET = 0x%x, BOOT_MODE = 0x%x\n",
 866                         width, reset, mode);
 867         return CMD_RET_SUCCESS;
 868 }
 869
 870 static int do_mmc_boot_resize(struct cmd_tbl *cmdtp, int flag,
 871                               int argc, char *const argv[])
 872 {
 873         int dev;
 874         struct mmc *mmc;
 875         u32 bootsize, rpmbsize;
 876
 877         if (argc != 4)
 878                 return CMD_RET_USAGE;
 879         dev = dectoul(argv[1], NULL);
 880         bootsize = dectoul(argv[2], NULL);
 881         rpmbsize = dectoul(argv[3], NULL);
 882
 883         mmc = init_mmc_device(dev, false);
 884         if (!mmc)
 885                 return CMD_RET_FAILURE;
 886
 887         if (IS_SD(mmc)) {
 888                 printf("It is not an eMMC device\n");
 889                 return CMD_RET_FAILURE;
 890         }
 891
 892         if (mmc_boot_partition_size_change(mmc, bootsize, rpmbsize)) {
 893                 printf("EMMC boot partition Size change Failed.\n");
 894                 return CMD_RET_FAILURE;
 895         }
 896
 897         printf("EMMC boot partition Size %d MB\n", bootsize);
 898         printf("EMMC RPMB partition Size %d MB\n", rpmbsize);
 899         return CMD_RET_SUCCESS;
 900 }
 901
 902 static int mmc_partconf_print(struct mmc *mmc, const char *varname)
 903 {
 904         u8 ack, access, part;
 905
 906         if (mmc->part_config == MMCPART_NOAVAILABLE) {
 907                 printf("No part_config info for ver. 0x%x\n", mmc->version);
 908                 return CMD_RET_FAILURE;
 909         }
 910
 911         access = EXT_CSD_EXTRACT_PARTITION_ACCESS(mmc->part_config);
 912         ack = EXT_CSD_EXTRACT_BOOT_ACK(mmc->part_config);
 913         part = EXT_CSD_EXTRACT_BOOT_PART(mmc->part_config);
 914
 915         if(varname)
 916                 env_set_hex(varname, part);
 917
 918         printf("EXT_CSD[179], PARTITION_CONFIG:\n"
 919                 "BOOT_ACK: 0x%x\n"
 920                 "BOOT_PARTITION_ENABLE: 0x%x\n"
 921                 "PARTITION_ACCESS: 0x%x\n", ack, part, access);
 922
 923         return CMD_RET_SUCCESS;
 924 }
 925
 926 static int do_mmc_partconf(struct cmd_tbl *cmdtp, int flag,
 927                            int argc, char *const argv[])
 928 {
 929         int dev;
 930         struct mmc *mmc;
 931         u8 ack, part_num, access;
 932
 933         if (argc != 2 && argc != 3 && argc != 5)
 934                 return CMD_RET_USAGE;
 935
 936         dev = dectoul(argv[1], NULL);
 937
 938         mmc = init_mmc_device(dev, false);
 939         if (!mmc)
 940                 return CMD_RET_FAILURE;
 941
 942         if (IS_SD(mmc)) {
 943                 puts("PARTITION_CONFIG only exists on eMMC\n");
 944                 return CMD_RET_FAILURE;
 945         }
 946
 947         if (argc == 2 || argc == 3)
 948                 return mmc_partconf_print(mmc, argc == 3 ? argv[2] : NULL);
 949
 950         ack = dectoul(argv[2], NULL);
 951         part_num = dectoul(argv[3], NULL);
 952         access = dectoul(argv[4], NULL);
 953
 954         /* acknowledge to be sent during boot operation */
 955         return mmc_set_part_conf(mmc, ack, part_num, access);
 956 }
 957
 958 static int do_mmc_rst_func(struct cmd_tbl *cmdtp, int flag,
 959                            int argc, char *const argv[])
 960 {
 961         int dev;
 962         struct mmc *mmc;
 963         u8 enable;
 964
 965         /*
 966          * Set the RST_n_ENABLE bit of RST_n_FUNCTION
 967          * The only valid values are 0x0, 0x1 and 0x2 and writing
 968          * a value of 0x1 or 0x2 sets the value permanently.
 969          */
 970         if (argc != 3)
 971                 return CMD_RET_USAGE;
 972
 973         dev = dectoul(argv[1], NULL);
 974         enable = dectoul(argv[2], NULL);
 975
 976         if (enable > 2) {
 977                 puts("Invalid RST_n_ENABLE value\n");
 978                 return CMD_RET_USAGE;
 979         }
 980
 981         mmc = init_mmc_device(dev, false);
 982         if (!mmc)
 983                 return CMD_RET_FAILURE;
 984
 985         if (IS_SD(mmc)) {
 986                 puts("RST_n_FUNCTION only exists on eMMC\n");
 987                 return CMD_RET_FAILURE;
 988         }
 989
 990         return mmc_set_rst_n_function(mmc, enable);
 991 }
 992 #endif
 993 static int do_mmc_setdsr(struct cmd_tbl *cmdtp, int flag,
 994                          int argc, char *const argv[])
 995 {
 996         struct mmc *mmc;
 997         u32 val;
 998         int ret;
 999
1000         if (argc != 2)
1001                 return CMD_RET_USAGE;
1002         val = hextoul(argv[1], NULL);
1003
1004         mmc = find_mmc_device(curr_device);
1005         if (!mmc) {
1006                 printf("no mmc device at slot %x\n", curr_device);
1007                 return CMD_RET_FAILURE;
1008         }
1009         ret = mmc_set_dsr(mmc, val);
1010         printf("set dsr %s\n", (!ret) ? "OK, force rescan" : "ERROR");
1011         if (!ret) {
1012                 mmc->has_init = 0;
1013                 if (mmc_init(mmc))
1014                         return CMD_RET_FAILURE;
1015                 else
1016                         return CMD_RET_SUCCESS;
1017         }
1018         return ret;
1019 }
1020
1021 #ifdef CONFIG_CMD_BKOPS_ENABLE
1022 static int do_mmc_bkops_enable(struct cmd_tbl *cmdtp, int flag,
1023                                int argc, char *const argv[])
1024 {
1025         int dev;
1026         struct mmc *mmc;
1027
1028         if (argc != 2)
1029                 return CMD_RET_USAGE;
1030
1031         dev = dectoul(argv[1], NULL);
1032
1033         mmc = init_mmc_device(dev, false);
1034         if (!mmc)
1035                 return CMD_RET_FAILURE;
1036
1037         if (IS_SD(mmc)) {
1038                 puts("BKOPS_EN only exists on eMMC\n");
1039                 return CMD_RET_FAILURE;
1040         }
1041
1042         return mmc_set_bkops_enable(mmc);
1043 }
1044 #endif
1045
1046 static int do_mmc_boot_wp(struct cmd_tbl *cmdtp, int flag,
1047                           int argc, char * const argv[])
1048 {
1049         int err;
1050         struct mmc *mmc;
1051
1052         mmc = init_mmc_device(curr_device, false);
1053         if (!mmc)
1054                 return CMD_RET_FAILURE;
1055         if (IS_SD(mmc)) {
1056                 printf("It is not an eMMC device\n");
1057                 return CMD_RET_FAILURE;
1058         }
1059         err = mmc_boot_wp(mmc);
1060         if (err)
1061                 return CMD_RET_FAILURE;
1062         printf("boot areas protected\n");
1063         return CMD_RET_SUCCESS;
1064 }
1065
1066 static struct cmd_tbl cmd_mmc[] = {
1067         U_BOOT_CMD_MKENT(info, 1, 0, do_mmcinfo, "", ""),
1068         U_BOOT_CMD_MKENT(read, 4, 1, do_mmc_read, "", ""),
1069         U_BOOT_CMD_MKENT(wp, 1, 0, do_mmc_boot_wp, "", ""),
1070 #if CONFIG_IS_ENABLED(MMC_WRITE)
1071         U_BOOT_CMD_MKENT(write, 4, 0, do_mmc_write, "", ""),
1072         U_BOOT_CMD_MKENT(erase, 3, 0, do_mmc_erase, "", ""),
1073 #endif
1074 #if CONFIG_IS_ENABLED(CMD_MMC_SWRITE)
1075         U_BOOT_CMD_MKENT(swrite, 3, 0, do_mmc_sparse_write, "", ""),
1076 #endif
1077         U_BOOT_CMD_MKENT(rescan, 2, 1, do_mmc_rescan, "", ""),
1078         U_BOOT_CMD_MKENT(part, 1, 1, do_mmc_part, "", ""),
1079         U_BOOT_CMD_MKENT(dev, 4, 0, do_mmc_dev, "", ""),
1080         U_BOOT_CMD_MKENT(list, 1, 1, do_mmc_list, "", ""),
1081 #if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
1082         U_BOOT_CMD_MKENT(hwpartition, 28, 0, do_mmc_hwpartition, "", ""),
1083 #endif
1084 #ifdef CONFIG_SUPPORT_EMMC_BOOT
1085         U_BOOT_CMD_MKENT(bootbus, 5, 0, do_mmc_bootbus, "", ""),
1086         U_BOOT_CMD_MKENT(bootpart-resize, 4, 0, do_mmc_boot_resize, "", ""),
1087         U_BOOT_CMD_MKENT(partconf, 5, 0, do_mmc_partconf, "", ""),
1088         U_BOOT_CMD_MKENT(rst-function, 3, 0, do_mmc_rst_func, "", ""),
1089 #endif
1090 #if CONFIG_IS_ENABLED(CMD_MMC_RPMB)
1091         U_BOOT_CMD_MKENT(rpmb, CONFIG_SYS_MAXARGS, 1, do_mmcrpmb, "", ""),
1092 #endif
1093         U_BOOT_CMD_MKENT(setdsr, 2, 0, do_mmc_setdsr, "", ""),
1094 #ifdef CONFIG_CMD_BKOPS_ENABLE
1095         U_BOOT_CMD_MKENT(bkops-enable, 2, 0, do_mmc_bkops_enable, "", ""),
1096 #endif
1097 };
1098
1099 static int do_mmcops(struct cmd_tbl *cmdtp, int flag, int argc,
1100                      char *const argv[])
1101 {
1102         struct cmd_tbl *cp;
1103
1104         cp = find_cmd_tbl(argv[1], cmd_mmc, ARRAY_SIZE(cmd_mmc));
1105
1106         /* Drop the mmc command */
1107         argc--;
1108         argv++;
1109
1110         if (cp == NULL || argc > cp->maxargs)
1111                 return CMD_RET_USAGE;
1112         if (flag == CMD_FLAG_REPEAT && !cmd_is_repeatable(cp))
1113                 return CMD_RET_SUCCESS;
1114
1115         if (curr_device < 0) {
1116                 if (get_mmc_num() > 0) {
1117                         curr_device = 0;
1118                 } else {
1119                         puts("No MMC device available\n");
1120                         return CMD_RET_FAILURE;
1121                 }
1122         }
1123         return cp->cmd(cmdtp, flag, argc, argv);
1124 }
1125
1126 U_BOOT_CMD(
1127         mmc, 29, 1, do_mmcops,
1128         "MMC sub system",
1129         "info - display info of the current MMC device\n"
1130         "mmc read addr blk# cnt\n"
1131         "mmc write addr blk# cnt\n"
1132 #if CONFIG_IS_ENABLED(CMD_MMC_SWRITE)
1133         "mmc swrite addr blk#\n"
1134 #endif
1135         "mmc erase blk# cnt\n"
1136         "mmc rescan [mode]\n"
1137         "mmc part - lists available partition on current mmc device\n"
1138         "mmc dev [dev] [part] [mode] - show or set current mmc device [partition] and set mode\n"
1139         "  - the required speed mode is passed as the index from the following list\n"
1140         "    [MMC_LEGACY, MMC_HS, SD_HS, MMC_HS_52, MMC_DDR_52, UHS_SDR12, UHS_SDR25,\n"
1141         "    UHS_SDR50, UHS_DDR50, UHS_SDR104, MMC_HS_200, MMC_HS_400, MMC_HS_400_ES]\n"
1142         "mmc list - lists available devices\n"
1143         "mmc wp - power on write protect boot partitions\n"
1144 #if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
1145         "mmc hwpartition <USER> <GP> <MODE> - does hardware partitioning\n"
1146         "  arguments (sizes in 512-byte blocks):\n"
1147         "   USER - <user> <enh> <start> <cnt> <wrrel> <{on|off}>\n"
1148         "       : sets user data area attributes\n"
1149         "   GP - <{gp1|gp2|gp3|gp4}> <cnt> <enh> <wrrel> <{on|off}>\n"
1150         "       : general purpose partition\n"
1151         "   MODE - <{check|set|complete}>\n"
1152         "       : mode, complete set partitioning completed\n"
1153         "  WARNING: Partitioning is a write-once setting once it is set to complete.\n"
1154         "  Power cycling is required to initialize partitions after set to complete.\n"
1155 #endif
1156 #ifdef CONFIG_SUPPORT_EMMC_BOOT
1157         "mmc bootbus <dev> <boot_bus_width> <reset_boot_bus_width> <boot_mode>\n"
1158         " - Set the BOOT_BUS_WIDTH field of the specified device\n"
1159         "mmc bootpart-resize <dev> <boot part size MB> <RPMB part size MB>\n"
1160         " - Change sizes of boot and RPMB partitions of specified device\n"
1161         "mmc partconf <dev> [[varname] | [<boot_ack> <boot_partition> <partition_access>]]\n"
1162         " - Show or change the bits of the PARTITION_CONFIG field of the specified device\n"
1163         "   If showing the bits, optionally store the boot_partition field into varname\n"
1164         "mmc rst-function <dev> <value>\n"
1165         " - Change the RST_n_FUNCTION field of the specified device\n"
1166         "   WARNING: This is a write-once field and 0 / 1 / 2 are the only valid values.\n"
1167 #endif
1168 #if CONFIG_IS_ENABLED(CMD_MMC_RPMB)
1169         "mmc rpmb read addr blk# cnt [address of auth-key] - block size is 256 bytes\n"
1170         "mmc rpmb write addr blk# cnt <address of auth-key> - block size is 256 bytes\n"
1171         "mmc rpmb key <address of auth-key> - program the RPMB authentication key.\n"
1172         "mmc rpmb counter - read the value of the write counter\n"
1173 #endif
1174         "mmc setdsr <value> - set DSR register value\n"
1175 #ifdef CONFIG_CMD_BKOPS_ENABLE
1176         "mmc bkops-enable <dev> - enable background operations handshake on device\n"
1177         "   WARNING: This is a write-once setting.\n"
1178 #endif
1179         );
1180
1181 /* Old command kept for compatibility. Same as 'mmc info' */
1182 U_BOOT_CMD(
1183         mmcinfo, 1, 0, do_mmcinfo,
1184         "display MMC info",
1185         "- display info of the current MMC device"
1186 );