cmd/mmc.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * (C) Copyright 2003
   4  * Kyle Harris, kharris@nexus-tech.net
   5  */
   6
   7 #include <common.h>
   8 #include <blk.h>
   9 #include <command.h>
  10 #include <console.h>
  11 #include <display_options.h>
  12 #include <memalign.h>
  13 #include <mmc.h>
  14 #include <part.h>
  15 #include <sparse_format.h>
  16 #include <image-sparse.h>
  17
  18 static int curr_device = -1;
  19
  20 static void print_mmcinfo(struct mmc *mmc)
  21 {
  22         int i;
  23
  24         printf("Device: %s\n", mmc->cfg->name);
  25         printf("Manufacturer ID: %x\n", mmc->cid[0] >> 24);
  26         if (IS_SD(mmc)) {
  27                 printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xffff);
  28                 printf("Name: %c%c%c%c%c \n", mmc->cid[0] & 0xff,
  29                 (mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff,
  30                 (mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff);
  31         } else {
  32                 printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xff);
  33                 printf("Name: %c%c%c%c%c%c \n", mmc->cid[0] & 0xff,
  34                 (mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff,
  35                 (mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff,
  36                 (mmc->cid[2] >> 24));
  37         }
  38
  39         printf("Bus Speed: %d\n", mmc->clock);
  40 #if CONFIG_IS_ENABLED(MMC_VERBOSE)
  41         printf("Mode: %s\n", mmc_mode_name(mmc->selected_mode));
  42         mmc_dump_capabilities("card capabilities", mmc->card_caps);
  43         mmc_dump_capabilities("host capabilities", mmc->host_caps);
  44 #endif
  45         printf("Rd Block Len: %d\n", mmc->read_bl_len);
  46
  47         printf("%s version %d.%d", IS_SD(mmc) ? "SD" : "MMC",
  48                         EXTRACT_SDMMC_MAJOR_VERSION(mmc->version),
  49                         EXTRACT_SDMMC_MINOR_VERSION(mmc->version));
  50         if (EXTRACT_SDMMC_CHANGE_VERSION(mmc->version) != 0)
  51                 printf(".%d", EXTRACT_SDMMC_CHANGE_VERSION(mmc->version));
  52         printf("\n");
  53
  54         printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No");
  55         puts("Capacity: ");
  56         print_size(mmc->capacity, "\n");
  57
  58         printf("Bus Width: %d-bit%s\n", mmc->bus_width,
  59                         mmc->ddr_mode ? " DDR" : "");
  60
  61 #if CONFIG_IS_ENABLED(MMC_WRITE)
  62         puts("Erase Group Size: ");
  63         print_size(((u64)mmc->erase_grp_size) << 9, "\n");
  64 #endif
  65
  66         if (!IS_SD(mmc) && mmc->version >= MMC_VERSION_4_41) {
  67                 bool has_enh = (mmc->part_support & ENHNCD_SUPPORT) != 0;
  68                 bool usr_enh = has_enh && (mmc->part_attr & EXT_CSD_ENH_USR);
  69                 ALLOC_CACHE_ALIGN_BUFFER(u8, ext_csd, MMC_MAX_BLOCK_LEN);
  70                 u8 wp;
  71                 int ret;
  72
  73 #if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
  74                 puts("HC WP Group Size: ");
  75                 print_size(((u64)mmc->hc_wp_grp_size) << 9, "\n");
  76 #endif
  77
  78                 puts("User Capacity: ");
  79                 print_size(mmc->capacity_user, usr_enh ? " ENH" : "");
  80                 if (mmc->wr_rel_set & EXT_CSD_WR_DATA_REL_USR)
  81                         puts(" WRREL\n");
  82                 else
  83                         putc('\n');
  84                 if (usr_enh) {
  85                         puts("User Enhanced Start: ");
  86                         print_size(mmc->enh_user_start, "\n");
  87                         puts("User Enhanced Size: ");
  88                         print_size(mmc->enh_user_size, "\n");
  89                 }
  90                 puts("Boot Capacity: ");
  91                 print_size(mmc->capacity_boot, has_enh ? " ENH\n" : "\n");
  92                 puts("RPMB Capacity: ");
  93                 print_size(mmc->capacity_rpmb, has_enh ? " ENH\n" : "\n");
  94
  95                 for (i = 0; i < ARRAY_SIZE(mmc->capacity_gp); i++) {
  96                         bool is_enh = has_enh &&
  97                                 (mmc->part_attr & EXT_CSD_ENH_GP(i));
  98                         if (mmc->capacity_gp[i]) {
  99                                 printf("GP%i Capacity: ", i+1);
 100                                 print_size(mmc->capacity_gp[i],
 101                                            is_enh ? " ENH" : "");
 102                                 if (mmc->wr_rel_set & EXT_CSD_WR_DATA_REL_GP(i))
 103                                         puts(" WRREL\n");
 104                                 else
 105                                         putc('\n');
 106                         }
 107                 }
 108                 ret = mmc_send_ext_csd(mmc, ext_csd);
 109                 if (ret)
 110                         return;
 111                 wp = ext_csd[EXT_CSD_BOOT_WP_STATUS];
 112                 for (i = 0; i < 2; ++i) {
 113                         printf("Boot area %d is ", i);
 114                         switch (wp & 3) {
 115                         case 0:
 116                                 printf("not write protected\n");
 117                                 break;
 118                         case 1:
 119                                 printf("power on protected\n");
 120                                 break;
 121                         case 2:
 122                                 printf("permanently protected\n");
 123                                 break;
 124                         default:
 125                                 printf("in reserved protection state\n");
 126                                 break;
 127                         }
 128                         wp >>= 2;
 129                 }
 130         }
 131 }
 132
 133 static struct mmc *__init_mmc_device(int dev, bool force_init,
 134                                      enum bus_mode speed_mode)
 135 {
 136         struct mmc *mmc;
 137         mmc = find_mmc_device(dev);
 138         if (!mmc) {
 139                 printf("no mmc device at slot %x\n", dev);
 140                 return NULL;
 141         }
 142
 143         if (!mmc_getcd(mmc))
 144                 force_init = true;
 145
 146         if (force_init)
 147                 mmc->has_init = 0;
 148
 149         if (IS_ENABLED(CONFIG_MMC_SPEED_MODE_SET))
 150                 mmc->user_speed_mode = speed_mode;
 151
 152         if (mmc_init(mmc))
 153                 return NULL;
 154
 155 #ifdef CONFIG_BLOCK_CACHE
 156         struct blk_desc *bd = mmc_get_blk_desc(mmc);
 157         blkcache_invalidate(bd->uclass_id, bd->devnum);
 158 #endif
 159
 160         return mmc;
 161 }
 162
 163 static struct mmc *init_mmc_device(int dev, bool force_init)
 164 {
 165         return __init_mmc_device(dev, force_init, MMC_MODES_END);
 166 }
 167
 168 static int do_mmcinfo(struct cmd_tbl *cmdtp, int flag, int argc,
 169                       char *const argv[])
 170 {
 171         struct mmc *mmc;
 172
 173         if (curr_device < 0) {
 174                 if (get_mmc_num() > 0)
 175                         curr_device = 0;
 176                 else {
 177                         puts("No MMC device available\n");
 178                         return 1;
 179                 }
 180         }
 181
 182         mmc = init_mmc_device(curr_device, false);
 183         if (!mmc)
 184                 return CMD_RET_FAILURE;
 185
 186         print_mmcinfo(mmc);
 187         return CMD_RET_SUCCESS;
 188 }
 189
 190 #if CONFIG_IS_ENABLED(CMD_MMC_RPMB)
 191 static int confirm_key_prog(void)
 192 {
 193         puts("Warning: Programming authentication key can be done only once !\n"
 194              "         Use this command only if you are sure of what you are doing,\n"
 195              "Really perform the key programming? <y/N> ");
 196         if (confirm_yesno())
 197                 return 1;
 198
 199         puts("Authentication key programming aborted\n");
 200         return 0;
 201 }
 202
 203 static int do_mmcrpmb_key(struct cmd_tbl *cmdtp, int flag,
 204                           int argc, char *const argv[])
 205 {
 206         void *key_addr;
 207         struct mmc *mmc = find_mmc_device(curr_device);
 208
 209         if (argc != 2)
 210                 return CMD_RET_USAGE;
 211
 212         key_addr = (void *)hextoul(argv[1], NULL);
 213         if (!confirm_key_prog())
 214                 return CMD_RET_FAILURE;
 215         if (mmc_rpmb_set_key(mmc, key_addr)) {
 216                 printf("ERROR - Key already programmed ?\n");
 217                 return CMD_RET_FAILURE;
 218         }
 219         return CMD_RET_SUCCESS;
 220 }
 221
 222 static int do_mmcrpmb_read(struct cmd_tbl *cmdtp, int flag,
 223                            int argc, char *const argv[])
 224 {
 225         u16 blk, cnt;
 226         void *addr;
 227         int n;
 228         void *key_addr = NULL;
 229         struct mmc *mmc = find_mmc_device(curr_device);
 230
 231         if (argc < 4)
 232                 return CMD_RET_USAGE;
 233
 234         addr = (void *)hextoul(argv[1], NULL);
 235         blk = hextoul(argv[2], NULL);
 236         cnt = hextoul(argv[3], NULL);
 237
 238         if (argc == 5)
 239                 key_addr = (void *)hextoul(argv[4], NULL);
 240
 241         printf("\nMMC RPMB read: dev # %d, block # %d, count %d ... ",
 242                curr_device, blk, cnt);
 243         n =  mmc_rpmb_read(mmc, addr, blk, cnt, key_addr);
 244
 245         printf("%d RPMB blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");
 246         if (n != cnt)
 247                 return CMD_RET_FAILURE;
 248         return CMD_RET_SUCCESS;
 249 }
 250
 251 static int do_mmcrpmb_write(struct cmd_tbl *cmdtp, int flag,
 252                             int argc, char *const argv[])
 253 {
 254         u16 blk, cnt;
 255         void *addr;
 256         int n;
 257         void *key_addr;
 258         struct mmc *mmc = find_mmc_device(curr_device);
 259
 260         if (argc != 5)
 261                 return CMD_RET_USAGE;
 262
 263         addr = (void *)hextoul(argv[1], NULL);
 264         blk = hextoul(argv[2], NULL);
 265         cnt = hextoul(argv[3], NULL);
 266         key_addr = (void *)hextoul(argv[4], NULL);
 267
 268         printf("\nMMC RPMB write: dev # %d, block # %d, count %d ... ",
 269                curr_device, blk, cnt);
 270         n =  mmc_rpmb_write(mmc, addr, blk, cnt, key_addr);
 271
 272         printf("%d RPMB blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");
 273         if (n != cnt)
 274                 return CMD_RET_FAILURE;
 275         return CMD_RET_SUCCESS;
 276 }
 277
 278 static int do_mmcrpmb_counter(struct cmd_tbl *cmdtp, int flag,
 279                               int argc, char *const argv[])
 280 {
 281         unsigned long counter;
 282         struct mmc *mmc = find_mmc_device(curr_device);
 283
 284         if (mmc_rpmb_get_counter(mmc, &counter))
 285                 return CMD_RET_FAILURE;
 286         printf("RPMB Write counter= %lx\n", counter);
 287         return CMD_RET_SUCCESS;
 288 }
 289
 290 static struct cmd_tbl cmd_rpmb[] = {
 291         U_BOOT_CMD_MKENT(key, 2, 0, do_mmcrpmb_key, "", ""),
 292         U_BOOT_CMD_MKENT(read, 5, 1, do_mmcrpmb_read, "", ""),
 293         U_BOOT_CMD_MKENT(write, 5, 0, do_mmcrpmb_write, "", ""),
 294         U_BOOT_CMD_MKENT(counter, 1, 1, do_mmcrpmb_counter, "", ""),
 295 };
 296
 297 static int do_mmcrpmb(struct cmd_tbl *cmdtp, int flag,
 298                       int argc, char *const argv[])
 299 {
 300         struct cmd_tbl *cp;
 301         struct mmc *mmc;
 302         char original_part;
 303         int ret;
 304
 305         cp = find_cmd_tbl(argv[1], cmd_rpmb, ARRAY_SIZE(cmd_rpmb));
 306
 307         /* Drop the rpmb subcommand */
 308         argc--;
 309         argv++;
 310
 311         if (cp == NULL || argc > cp->maxargs)
 312                 return CMD_RET_USAGE;
 313         if (flag == CMD_FLAG_REPEAT && !cmd_is_repeatable(cp))
 314                 return CMD_RET_SUCCESS;
 315
 316         mmc = init_mmc_device(curr_device, false);
 317         if (!mmc)
 318                 return CMD_RET_FAILURE;
 319
 320         if (!(mmc->version & MMC_VERSION_MMC)) {
 321                 printf("It is not an eMMC device\n");
 322                 return CMD_RET_FAILURE;
 323         }
 324         if (mmc->version < MMC_VERSION_4_41) {
 325                 printf("RPMB not supported before version 4.41\n");
 326                 return CMD_RET_FAILURE;
 327         }
 328         /* Switch to the RPMB partition */
 329 #ifndef CONFIG_BLK
 330         original_part = mmc->block_dev.hwpart;
 331 #else
 332         original_part = mmc_get_blk_desc(mmc)->hwpart;
 333 #endif
 334         if (blk_select_hwpart_devnum(UCLASS_MMC, curr_device, MMC_PART_RPMB) !=
 335             0)
 336                 return CMD_RET_FAILURE;
 337         ret = cp->cmd(cmdtp, flag, argc, argv);
 338
 339         /* Return to original partition */
 340         if (blk_select_hwpart_devnum(UCLASS_MMC, curr_device, original_part) !=
 341             0)
 342                 return CMD_RET_FAILURE;
 343         return ret;
 344 }
 345 #endif
 346
 347 static int do_mmc_read(struct cmd_tbl *cmdtp, int flag,
 348                        int argc, char *const argv[])
 349 {
 350         struct mmc *mmc;
 351         u32 blk, cnt, n;
 352         void *addr;
 353
 354         if (argc != 4)
 355                 return CMD_RET_USAGE;
 356
 357         addr = (void *)hextoul(argv[1], NULL);
 358         blk = hextoul(argv[2], NULL);
 359         cnt = hextoul(argv[3], NULL);
 360
 361         mmc = init_mmc_device(curr_device, false);
 362         if (!mmc)
 363                 return CMD_RET_FAILURE;
 364
 365         printf("\nMMC read: dev # %d, block # %d, count %d ... ",
 366                curr_device, blk, cnt);
 367
 368         n = blk_dread(mmc_get_blk_desc(mmc), blk, cnt, addr);
 369         printf("%d blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");
 370
 371         return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
 372 }
 373
 374 #if CONFIG_IS_ENABLED(CMD_MMC_SWRITE)
 375 static lbaint_t mmc_sparse_write(struct sparse_storage *info, lbaint_t blk,
 376                                  lbaint_t blkcnt, const void *buffer)
 377 {
 378         struct blk_desc *dev_desc = info->priv;
 379
 380         return blk_dwrite(dev_desc, blk, blkcnt, buffer);
 381 }
 382
 383 static lbaint_t mmc_sparse_reserve(struct sparse_storage *info,
 384                                    lbaint_t blk, lbaint_t blkcnt)
 385 {
 386         return blkcnt;
 387 }
 388
 389 static int do_mmc_sparse_write(struct cmd_tbl *cmdtp, int flag,
 390                                int argc, char *const argv[])
 391 {
 392         struct sparse_storage sparse;
 393         struct blk_desc *dev_desc;
 394         struct mmc *mmc;
 395         char dest[11];
 396         void *addr;
 397         u32 blk;
 398
 399         if (argc != 3)
 400                 return CMD_RET_USAGE;
 401
 402         addr = (void *)hextoul(argv[1], NULL);
 403         blk = hextoul(argv[2], NULL);
 404
 405         if (!is_sparse_image(addr)) {
 406                 printf("Not a sparse image\n");
 407                 return CMD_RET_FAILURE;
 408         }
 409
 410         mmc = init_mmc_device(curr_device, false);
 411         if (!mmc)
 412                 return CMD_RET_FAILURE;
 413
 414         printf("\nMMC Sparse write: dev # %d, block # %d ... ",
 415                curr_device, blk);
 416
 417         if (mmc_getwp(mmc) == 1) {
 418                 printf("Error: card is write protected!\n");
 419                 return CMD_RET_FAILURE;
 420         }
 421
 422         dev_desc = mmc_get_blk_desc(mmc);
 423         sparse.priv = dev_desc;
 424         sparse.blksz = 512;
 425         sparse.start = blk;
 426         sparse.size = dev_desc->lba - blk;
 427         sparse.write = mmc_sparse_write;
 428         sparse.reserve = mmc_sparse_reserve;
 429         sparse.mssg = NULL;
 430         sprintf(dest, "0x" LBAF, sparse.start * sparse.blksz);
 431
 432         if (write_sparse_image(&sparse, dest, addr, NULL))
 433                 return CMD_RET_FAILURE;
 434         else
 435                 return CMD_RET_SUCCESS;
 436 }
 437 #endif
 438
 439 #if CONFIG_IS_ENABLED(MMC_WRITE)
 440 static int do_mmc_write(struct cmd_tbl *cmdtp, int flag,
 441                         int argc, char *const argv[])
 442 {
 443         struct mmc *mmc;
 444         u32 blk, cnt, n;
 445         void *addr;
 446
 447         if (argc != 4)
 448                 return CMD_RET_USAGE;
 449
 450         addr = (void *)hextoul(argv[1], NULL);
 451         blk = hextoul(argv[2], NULL);
 452         cnt = hextoul(argv[3], NULL);
 453
 454         mmc = init_mmc_device(curr_device, false);
 455         if (!mmc)
 456                 return CMD_RET_FAILURE;
 457
 458         printf("\nMMC write: dev # %d, block # %d, count %d ... ",
 459                curr_device, blk, cnt);
 460
 461         if (mmc_getwp(mmc) == 1) {
 462                 printf("Error: card is write protected!\n");
 463                 return CMD_RET_FAILURE;
 464         }
 465         n = blk_dwrite(mmc_get_blk_desc(mmc), blk, cnt, addr);
 466         printf("%d blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");
 467
 468         return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
 469 }
 470
 471 static int do_mmc_erase(struct cmd_tbl *cmdtp, int flag,
 472                         int argc, char *const argv[])
 473 {
 474         struct mmc *mmc;
 475         u32 blk, cnt, n;
 476
 477         if (argc != 3)
 478                 return CMD_RET_USAGE;
 479
 480         blk = hextoul(argv[1], NULL);
 481         cnt = hextoul(argv[2], NULL);
 482
 483         mmc = init_mmc_device(curr_device, false);
 484         if (!mmc)
 485                 return CMD_RET_FAILURE;
 486
 487         printf("\nMMC erase: dev # %d, block # %d, count %d ... ",
 488                curr_device, blk, cnt);
 489
 490         if (mmc_getwp(mmc) == 1) {
 491                 printf("Error: card is write protected!\n");
 492                 return CMD_RET_FAILURE;
 493         }
 494         n = blk_derase(mmc_get_blk_desc(mmc), blk, cnt);
 495         printf("%d blocks erased: %s\n", n, (n == cnt) ? "OK" : "ERROR");
 496
 497         return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
 498 }
 499 #endif
 500
 501 static int do_mmc_rescan(struct cmd_tbl *cmdtp, int flag,
 502                          int argc, char *const argv[])
 503 {
 504         struct mmc *mmc;
 505
 506         if (argc == 1) {
 507                 mmc = init_mmc_device(curr_device, true);
 508         } else if (argc == 2) {
 509                 enum bus_mode speed_mode;
 510
 511                 speed_mode = (int)dectoul(argv[1], NULL);
 512                 mmc = __init_mmc_device(curr_device, true, speed_mode);
 513         } else {
 514                 return CMD_RET_USAGE;
 515         }
 516
 517         if (!mmc)
 518                 return CMD_RET_FAILURE;
 519
 520         return CMD_RET_SUCCESS;
 521 }
 522
 523 static int do_mmc_part(struct cmd_tbl *cmdtp, int flag,
 524                        int argc, char *const argv[])
 525 {
 526         struct blk_desc *mmc_dev;
 527         struct mmc *mmc;
 528
 529         mmc = init_mmc_device(curr_device, false);
 530         if (!mmc)
 531                 return CMD_RET_FAILURE;
 532
 533         mmc_dev = blk_get_devnum_by_uclass_id(UCLASS_MMC, curr_device);
 534         if (mmc_dev != NULL && mmc_dev->type != DEV_TYPE_UNKNOWN) {
 535                 part_print(mmc_dev);
 536                 return CMD_RET_SUCCESS;
 537         }
 538
 539         puts("get mmc type error!\n");
 540         return CMD_RET_FAILURE;
 541 }
 542
 543 static int do_mmc_dev(struct cmd_tbl *cmdtp, int flag,
 544                       int argc, char *const argv[])
 545 {
 546         int dev, part = 0, ret;
 547         struct mmc *mmc;
 548
 549         if (argc == 1) {
 550                 dev = curr_device;
 551                 mmc = init_mmc_device(dev, true);
 552         } else if (argc == 2) {
 553                 dev = (int)dectoul(argv[1], NULL);
 554                 mmc = init_mmc_device(dev, true);
 555         } else if (argc == 3) {
 556                 dev = (int)dectoul(argv[1], NULL);
 557                 part = (int)dectoul(argv[2], NULL);
 558                 if (part > PART_ACCESS_MASK) {
 559                         printf("#part_num shouldn't be larger than %d\n",
 560                                PART_ACCESS_MASK);
 561                         return CMD_RET_FAILURE;
 562                 }
 563                 mmc = init_mmc_device(dev, true);
 564         } else if (argc == 4) {
 565                 enum bus_mode speed_mode;
 566
 567                 dev = (int)dectoul(argv[1], NULL);
 568                 part = (int)dectoul(argv[2], NULL);
 569                 if (part > PART_ACCESS_MASK) {
 570                         printf("#part_num shouldn't be larger than %d\n",
 571                                PART_ACCESS_MASK);
 572                         return CMD_RET_FAILURE;
 573                 }
 574                 speed_mode = (int)dectoul(argv[3], NULL);
 575                 mmc = __init_mmc_device(dev, true, speed_mode);
 576         } else {
 577                 return CMD_RET_USAGE;
 578         }
 579
 580         if (!mmc)
 581                 return CMD_RET_FAILURE;
 582
 583         ret = blk_select_hwpart_devnum(UCLASS_MMC, dev, part);
 584         printf("switch to partitions #%d, %s\n",
 585                part, (!ret) ? "OK" : "ERROR");
 586         if (ret)
 587                 return 1;
 588
 589         curr_device = dev;
 590         if (mmc->part_config == MMCPART_NOAVAILABLE)
 591                 printf("mmc%d is current device\n", curr_device);
 592         else
 593                 printf("mmc%d(part %d) is current device\n",
 594                        curr_device, mmc_get_blk_desc(mmc)->hwpart);
 595
 596         return CMD_RET_SUCCESS;
 597 }
 598
 599 static int do_mmc_list(struct cmd_tbl *cmdtp, int flag,
 600                        int argc, char *const argv[])
 601 {
 602         print_mmc_devices('\n');
 603         return CMD_RET_SUCCESS;
 604 }
 605
 606 #if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
 607 static void parse_hwpart_user_enh_size(struct mmc *mmc,
 608                                        struct mmc_hwpart_conf *pconf,
 609                                        char *argv)
 610 {
 611         int i, ret;
 612
 613         pconf->user.enh_size = 0;
 614
 615         if (!strcmp(argv, "-")) { /* The rest of eMMC */
 616                 ALLOC_CACHE_ALIGN_BUFFER(u8, ext_csd, MMC_MAX_BLOCK_LEN);
 617                 ret = mmc_send_ext_csd(mmc, ext_csd);
 618                 if (ret)
 619                         return;
 620                 /* The enh_size value is in 512B block units */
 621                 pconf->user.enh_size =
 622                         ((ext_csd[EXT_CSD_MAX_ENH_SIZE_MULT + 2] << 16) +
 623                         (ext_csd[EXT_CSD_MAX_ENH_SIZE_MULT + 1] << 8) +
 624                         ext_csd[EXT_CSD_MAX_ENH_SIZE_MULT]) * 1024 *
 625                         ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE] *
 626                         ext_csd[EXT_CSD_HC_WP_GRP_SIZE];
 627                 pconf->user.enh_size -= pconf->user.enh_start;
 628                 for (i = 0; i < ARRAY_SIZE(mmc->capacity_gp); i++) {
 629                         /*
 630                          * If the eMMC already has GP partitions set,
 631                          * subtract their size from the maximum USER
 632                          * partition size.
 633                          *
 634                          * Else, if the command was used to configure new
 635                          * GP partitions, subtract their size from maximum
 636                          * USER partition size.
 637                          */
 638                         if (mmc->capacity_gp[i]) {
 639                                 /* The capacity_gp is in 1B units */
 640                                 pconf->user.enh_size -= mmc->capacity_gp[i] >> 9;
 641                         } else if (pconf->gp_part[i].size) {
 642                                 /* The gp_part[].size is in 512B units */
 643                                 pconf->user.enh_size -= pconf->gp_part[i].size;
 644                         }
 645                 }
 646         } else {
 647                 pconf->user.enh_size = dectoul(argv, NULL);
 648         }
 649 }
 650
 651 static int parse_hwpart_user(struct mmc *mmc, struct mmc_hwpart_conf *pconf,
 652                              int argc, char *const argv[])
 653 {
 654         int i = 0;
 655
 656         memset(&pconf->user, 0, sizeof(pconf->user));
 657
 658         while (i < argc) {
 659                 if (!strcmp(argv[i], "enh")) {
 660                         if (i + 2 >= argc)
 661                                 return -1;
 662                         pconf->user.enh_start =
 663                                 dectoul(argv[i + 1], NULL);
 664                         parse_hwpart_user_enh_size(mmc, pconf, argv[i + 2]);
 665                         i += 3;
 666                 } else if (!strcmp(argv[i], "wrrel")) {
 667                         if (i + 1 >= argc)
 668                                 return -1;
 669                         pconf->user.wr_rel_change = 1;
 670                         if (!strcmp(argv[i+1], "on"))
 671                                 pconf->user.wr_rel_set = 1;
 672                         else if (!strcmp(argv[i+1], "off"))
 673                                 pconf->user.wr_rel_set = 0;
 674                         else
 675                                 return -1;
 676                         i += 2;
 677                 } else {
 678                         break;
 679                 }
 680         }
 681         return i;
 682 }
 683
 684 static int parse_hwpart_gp(struct mmc_hwpart_conf *pconf, int pidx,
 685                            int argc, char *const argv[])
 686 {
 687         int i;
 688
 689         memset(&pconf->gp_part[pidx], 0, sizeof(pconf->gp_part[pidx]));
 690
 691         if (1 >= argc)
 692                 return -1;
 693         pconf->gp_part[pidx].size = dectoul(argv[0], NULL);
 694
 695         i = 1;
 696         while (i < argc) {
 697                 if (!strcmp(argv[i], "enh")) {
 698                         pconf->gp_part[pidx].enhanced = 1;
 699                         i += 1;
 700                 } else if (!strcmp(argv[i], "wrrel")) {
 701                         if (i + 1 >= argc)
 702                                 return -1;
 703                         pconf->gp_part[pidx].wr_rel_change = 1;
 704                         if (!strcmp(argv[i+1], "on"))
 705                                 pconf->gp_part[pidx].wr_rel_set = 1;
 706                         else if (!strcmp(argv[i+1], "off"))
 707                                 pconf->gp_part[pidx].wr_rel_set = 0;
 708                         else
 709                                 return -1;
 710                         i += 2;
 711                 } else {
 712                         break;
 713                 }
 714         }
 715         return i;
 716 }
 717
 718 static int do_mmc_hwpartition(struct cmd_tbl *cmdtp, int flag,
 719                               int argc, char *const argv[])
 720 {
 721         struct mmc *mmc;
 722         struct mmc_hwpart_conf pconf = { };
 723         enum mmc_hwpart_conf_mode mode = MMC_HWPART_CONF_CHECK;
 724         int i, r, pidx;
 725
 726         mmc = init_mmc_device(curr_device, false);
 727         if (!mmc)
 728                 return CMD_RET_FAILURE;
 729
 730         if (IS_SD(mmc)) {
 731                 puts("SD doesn't support partitioning\n");
 732                 return CMD_RET_FAILURE;
 733         }
 734
 735         if (argc < 1)
 736                 return CMD_RET_USAGE;
 737         i = 1;
 738         while (i < argc) {
 739                 if (!strcmp(argv[i], "user")) {
 740                         i++;
 741                         r = parse_hwpart_user(mmc, &pconf, argc - i, &argv[i]);
 742                         if (r < 0)
 743                                 return CMD_RET_USAGE;
 744                         i += r;
 745                 } else if (!strncmp(argv[i], "gp", 2) &&
 746                            strlen(argv[i]) == 3 &&
 747                            argv[i][2] >= '1' && argv[i][2] <= '4') {
 748                         pidx = argv[i][2] - '1';
 749                         i++;
 750                         r = parse_hwpart_gp(&pconf, pidx, argc-i, &argv[i]);
 751                         if (r < 0)
 752                                 return CMD_RET_USAGE;
 753                         i += r;
 754                 } else if (!strcmp(argv[i], "check")) {
 755                         mode = MMC_HWPART_CONF_CHECK;
 756                         i++;
 757                 } else if (!strcmp(argv[i], "set")) {
 758                         mode = MMC_HWPART_CONF_SET;
 759                         i++;
 760                 } else if (!strcmp(argv[i], "complete")) {
 761                         mode = MMC_HWPART_CONF_COMPLETE;
 762                         i++;
 763                 } else {
 764                         return CMD_RET_USAGE;
 765                 }
 766         }
 767
 768         puts("Partition configuration:\n");
 769         if (pconf.user.enh_size) {
 770                 puts("\tUser Enhanced Start: ");
 771                 print_size(((u64)pconf.user.enh_start) << 9, "\n");
 772                 puts("\tUser Enhanced Size: ");
 773                 print_size(((u64)pconf.user.enh_size) << 9, "\n");
 774         } else {
 775                 puts("\tNo enhanced user data area\n");
 776         }
 777         if (pconf.user.wr_rel_change)
 778                 printf("\tUser partition write reliability: %s\n",
 779                        pconf.user.wr_rel_set ? "on" : "off");
 780         for (pidx = 0; pidx < 4; pidx++) {
 781                 if (pconf.gp_part[pidx].size) {
 782                         printf("\tGP%i Capacity: ", pidx+1);
 783                         print_size(((u64)pconf.gp_part[pidx].size) << 9,
 784                                    pconf.gp_part[pidx].enhanced ?
 785                                    " ENH\n" : "\n");
 786                 } else {
 787                         printf("\tNo GP%i partition\n", pidx+1);
 788                 }
 789                 if (pconf.gp_part[pidx].wr_rel_change)
 790                         printf("\tGP%i write reliability: %s\n", pidx+1,
 791                                pconf.gp_part[pidx].wr_rel_set ? "on" : "off");
 792         }
 793
 794         if (!mmc_hwpart_config(mmc, &pconf, mode)) {
 795                 if (mode == MMC_HWPART_CONF_COMPLETE)
 796                         puts("Partitioning successful, "
 797                              "power-cycle to make effective\n");
 798                 return CMD_RET_SUCCESS;
 799         } else {
 800                 puts("Failed!\n");
 801                 return CMD_RET_FAILURE;
 802         }
 803 }
 804 #endif
 805
 806 #ifdef CONFIG_SUPPORT_EMMC_BOOT
 807 static int do_mmc_bootbus(struct cmd_tbl *cmdtp, int flag,
 808                           int argc, char *const argv[])
 809 {
 810         int dev;
 811         struct mmc *mmc;
 812         u8 width, reset, mode;
 813
 814         if (argc != 5)
 815                 return CMD_RET_USAGE;
 816         dev = dectoul(argv[1], NULL);
 817         width = dectoul(argv[2], NULL);
 818         reset = dectoul(argv[3], NULL);
 819         mode = dectoul(argv[4], NULL);
 820
 821         mmc = init_mmc_device(dev, false);
 822         if (!mmc)
 823                 return CMD_RET_FAILURE;
 824
 825         if (IS_SD(mmc)) {
 826                 puts("BOOT_BUS_WIDTH only exists on eMMC\n");
 827                 return CMD_RET_FAILURE;
 828         }
 829
 830         /*
 831          * BOOT_BUS_CONDITIONS[177]
 832          * BOOT_MODE[4:3]
 833          * 0x0 : Use SDR + Backward compatible timing in boot operation
 834          * 0x1 : Use SDR + High Speed Timing in boot operation mode
 835          * 0x2 : Use DDR in boot operation
 836          * RESET_BOOT_BUS_CONDITIONS
 837          * 0x0 : Reset bus width to x1, SDR, Backward compatible
 838          * 0x1 : Retain BOOT_BUS_WIDTH and BOOT_MODE
 839          * BOOT_BUS_WIDTH
 840          * 0x0 : x1(sdr) or x4 (ddr) buswidth
 841          * 0x1 : x4(sdr/ddr) buswith
 842          * 0x2 : x8(sdr/ddr) buswith
 843          *
 844          */
 845         if (width >= 0x3) {
 846                 printf("boot_bus_width %d is invalid\n", width);
 847                 return CMD_RET_FAILURE;
 848         }
 849
 850         if (reset >= 0x2) {
 851                 printf("reset_boot_bus_width %d is invalid\n", reset);
 852                 return CMD_RET_FAILURE;
 853         }
 854
 855         if (mode >= 0x3) {
 856                 printf("reset_boot_bus_width %d is invalid\n", mode);
 857                 return CMD_RET_FAILURE;
 858         }
 859
 860         /* acknowledge to be sent during boot operation */
 861         if (mmc_set_boot_bus_width(mmc, width, reset, mode)) {
 862                 puts("BOOT_BUS_WIDTH is failed to change.\n");
 863                 return CMD_RET_FAILURE;
 864         }
 865
 866         printf("Set to BOOT_BUS_WIDTH = 0x%x, RESET = 0x%x, BOOT_MODE = 0x%x\n",
 867                         width, reset, mode);
 868         return CMD_RET_SUCCESS;
 869 }
 870
 871 static int do_mmc_boot_resize(struct cmd_tbl *cmdtp, int flag,
 872                               int argc, char *const argv[])
 873 {
 874         int dev;
 875         struct mmc *mmc;
 876         u32 bootsize, rpmbsize;
 877
 878         if (argc != 4)
 879                 return CMD_RET_USAGE;
 880         dev = dectoul(argv[1], NULL);
 881         bootsize = dectoul(argv[2], NULL);
 882         rpmbsize = dectoul(argv[3], NULL);
 883
 884         mmc = init_mmc_device(dev, false);
 885         if (!mmc)
 886                 return CMD_RET_FAILURE;
 887
 888         if (IS_SD(mmc)) {
 889                 printf("It is not an eMMC device\n");
 890                 return CMD_RET_FAILURE;
 891         }
 892
 893         if (mmc_boot_partition_size_change(mmc, bootsize, rpmbsize)) {
 894                 printf("EMMC boot partition Size change Failed.\n");
 895                 return CMD_RET_FAILURE;
 896         }
 897
 898         printf("EMMC boot partition Size %d MB\n", bootsize);
 899         printf("EMMC RPMB partition Size %d MB\n", rpmbsize);
 900         return CMD_RET_SUCCESS;
 901 }
 902
 903 static int mmc_partconf_print(struct mmc *mmc, const char *varname)
 904 {
 905         u8 ack, access, part;
 906
 907         if (mmc->part_config == MMCPART_NOAVAILABLE) {
 908                 printf("No part_config info for ver. 0x%x\n", mmc->version);
 909                 return CMD_RET_FAILURE;
 910         }
 911
 912         access = EXT_CSD_EXTRACT_PARTITION_ACCESS(mmc->part_config);
 913         ack = EXT_CSD_EXTRACT_BOOT_ACK(mmc->part_config);
 914         part = EXT_CSD_EXTRACT_BOOT_PART(mmc->part_config);
 915
 916         if(varname)
 917                 env_set_hex(varname, part);
 918
 919         printf("EXT_CSD[179], PARTITION_CONFIG:\n"
 920                 "BOOT_ACK: 0x%x\n"
 921                 "BOOT_PARTITION_ENABLE: 0x%x\n"
 922                 "PARTITION_ACCESS: 0x%x\n", ack, part, access);
 923
 924         return CMD_RET_SUCCESS;
 925 }
 926
 927 static int do_mmc_partconf(struct cmd_tbl *cmdtp, int flag,
 928                            int argc, char *const argv[])
 929 {
 930         int dev;
 931         struct mmc *mmc;
 932         u8 ack, part_num, access;
 933
 934         if (argc != 2 && argc != 3 && argc != 5)
 935                 return CMD_RET_USAGE;
 936
 937         dev = dectoul(argv[1], NULL);
 938
 939         mmc = init_mmc_device(dev, false);
 940         if (!mmc)
 941                 return CMD_RET_FAILURE;
 942
 943         if (IS_SD(mmc)) {
 944                 puts("PARTITION_CONFIG only exists on eMMC\n");
 945                 return CMD_RET_FAILURE;
 946         }
 947
 948         if (argc == 2 || argc == 3)
 949                 return mmc_partconf_print(mmc, argc == 3 ? argv[2] : NULL);
 950
 951         ack = dectoul(argv[2], NULL);
 952         part_num = dectoul(argv[3], NULL);
 953         access = dectoul(argv[4], NULL);
 954
 955         /* acknowledge to be sent during boot operation */
 956         return mmc_set_part_conf(mmc, ack, part_num, access);
 957 }
 958
 959 static int do_mmc_rst_func(struct cmd_tbl *cmdtp, int flag,
 960                            int argc, char *const argv[])
 961 {
 962         int dev;
 963         struct mmc *mmc;
 964         u8 enable;
 965
 966         /*
 967          * Set the RST_n_ENABLE bit of RST_n_FUNCTION
 968          * The only valid values are 0x0, 0x1 and 0x2 and writing
 969          * a value of 0x1 or 0x2 sets the value permanently.
 970          */
 971         if (argc != 3)
 972                 return CMD_RET_USAGE;
 973
 974         dev = dectoul(argv[1], NULL);
 975         enable = dectoul(argv[2], NULL);
 976
 977         if (enable > 2) {
 978                 puts("Invalid RST_n_ENABLE value\n");
 979                 return CMD_RET_USAGE;
 980         }
 981
 982         mmc = init_mmc_device(dev, false);
 983         if (!mmc)
 984                 return CMD_RET_FAILURE;
 985
 986         if (IS_SD(mmc)) {
 987                 puts("RST_n_FUNCTION only exists on eMMC\n");
 988                 return CMD_RET_FAILURE;
 989         }
 990
 991         return mmc_set_rst_n_function(mmc, enable);
 992 }
 993 #endif
 994 static int do_mmc_setdsr(struct cmd_tbl *cmdtp, int flag,
 995                          int argc, char *const argv[])
 996 {
 997         struct mmc *mmc;
 998         u32 val;
 999         int ret;
1000
1001         if (argc != 2)
1002                 return CMD_RET_USAGE;
1003         val = hextoul(argv[1], NULL);
1004
1005         mmc = find_mmc_device(curr_device);
1006         if (!mmc) {
1007                 printf("no mmc device at slot %x\n", curr_device);
1008                 return CMD_RET_FAILURE;
1009         }
1010         ret = mmc_set_dsr(mmc, val);
1011         printf("set dsr %s\n", (!ret) ? "OK, force rescan" : "ERROR");
1012         if (!ret) {
1013                 mmc->has_init = 0;
1014                 if (mmc_init(mmc))
1015                         return CMD_RET_FAILURE;
1016                 else
1017                         return CMD_RET_SUCCESS;
1018         }
1019         return ret;
1020 }
1021
1022 #ifdef CONFIG_CMD_BKOPS_ENABLE
1023 static int mmc_bkops_common(char *device, bool autobkops, bool enable)
1024 {
1025         struct mmc *mmc;
1026         int dev;
1027
1028         dev = dectoul(device, NULL);
1029
1030         mmc = init_mmc_device(dev, false);
1031         if (!mmc)
1032                 return CMD_RET_FAILURE;
1033
1034         if (IS_SD(mmc)) {
1035                 puts("BKOPS_EN only exists on eMMC\n");
1036                 return CMD_RET_FAILURE;
1037         }
1038
1039         return mmc_set_bkops_enable(mmc, autobkops, enable);
1040 }
1041
1042 static int do_mmc_bkops(struct cmd_tbl *cmdtp, int flag,
1043                         int argc, char * const argv[])
1044 {
1045         bool autobkops, enable;
1046
1047         if (argc != 4)
1048                 return CMD_RET_USAGE;
1049
1050         if (!strcmp(argv[2], "manual"))
1051                 autobkops = false;
1052         else if (!strcmp(argv[2], "auto"))
1053                 autobkops = true;
1054         else
1055                 return CMD_RET_FAILURE;
1056
1057         if (!strcmp(argv[3], "disable"))
1058                 enable = false;
1059         else if (!strcmp(argv[3], "enable"))
1060                 enable = true;
1061         else
1062                 return CMD_RET_FAILURE;
1063
1064         return mmc_bkops_common(argv[1], autobkops, enable);
1065 }
1066
1067 static int do_mmc_bkops_enable(struct cmd_tbl *cmdtp, int flag,
1068                                int argc, char * const argv[])
1069 {
1070         if (argc != 2)
1071                 return CMD_RET_USAGE;
1072
1073         return mmc_bkops_common(argv[1], false, true);
1074 }
1075 #endif
1076
1077 static int do_mmc_boot_wp(struct cmd_tbl *cmdtp, int flag,
1078                           int argc, char * const argv[])
1079 {
1080         int err;
1081         struct mmc *mmc;
1082         int part;
1083
1084         mmc = init_mmc_device(curr_device, false);
1085         if (!mmc)
1086                 return CMD_RET_FAILURE;
1087         if (IS_SD(mmc)) {
1088                 printf("It is not an eMMC device\n");
1089                 return CMD_RET_FAILURE;
1090         }
1091
1092         if (argc == 2) {
1093                 part = dectoul(argv[1], NULL);
1094                 err = mmc_boot_wp_single_partition(mmc, part);
1095         } else {
1096                 err = mmc_boot_wp(mmc);
1097         }
1098
1099         if (err)
1100                 return CMD_RET_FAILURE;
1101         printf("boot areas protected\n");
1102         return CMD_RET_SUCCESS;
1103 }
1104
1105 static struct cmd_tbl cmd_mmc[] = {
1106         U_BOOT_CMD_MKENT(info, 1, 0, do_mmcinfo, "", ""),
1107         U_BOOT_CMD_MKENT(read, 4, 1, do_mmc_read, "", ""),
1108         U_BOOT_CMD_MKENT(wp, 2, 0, do_mmc_boot_wp, "", ""),
1109 #if CONFIG_IS_ENABLED(MMC_WRITE)
1110         U_BOOT_CMD_MKENT(write, 4, 0, do_mmc_write, "", ""),
1111         U_BOOT_CMD_MKENT(erase, 3, 0, do_mmc_erase, "", ""),
1112 #endif
1113 #if CONFIG_IS_ENABLED(CMD_MMC_SWRITE)
1114         U_BOOT_CMD_MKENT(swrite, 3, 0, do_mmc_sparse_write, "", ""),
1115 #endif
1116         U_BOOT_CMD_MKENT(rescan, 2, 1, do_mmc_rescan, "", ""),
1117         U_BOOT_CMD_MKENT(part, 1, 1, do_mmc_part, "", ""),
1118         U_BOOT_CMD_MKENT(dev, 4, 0, do_mmc_dev, "", ""),
1119         U_BOOT_CMD_MKENT(list, 1, 1, do_mmc_list, "", ""),
1120 #if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
1121         U_BOOT_CMD_MKENT(hwpartition, 28, 0, do_mmc_hwpartition, "", ""),
1122 #endif
1123 #ifdef CONFIG_SUPPORT_EMMC_BOOT
1124         U_BOOT_CMD_MKENT(bootbus, 5, 0, do_mmc_bootbus, "", ""),
1125         U_BOOT_CMD_MKENT(bootpart-resize, 4, 0, do_mmc_boot_resize, "", ""),
1126         U_BOOT_CMD_MKENT(partconf, 5, 0, do_mmc_partconf, "", ""),
1127         U_BOOT_CMD_MKENT(rst-function, 3, 0, do_mmc_rst_func, "", ""),
1128 #endif
1129 #if CONFIG_IS_ENABLED(CMD_MMC_RPMB)
1130         U_BOOT_CMD_MKENT(rpmb, CONFIG_SYS_MAXARGS, 1, do_mmcrpmb, "", ""),
1131 #endif
1132         U_BOOT_CMD_MKENT(setdsr, 2, 0, do_mmc_setdsr, "", ""),
1133 #ifdef CONFIG_CMD_BKOPS_ENABLE
1134         U_BOOT_CMD_MKENT(bkops-enable, 2, 0, do_mmc_bkops_enable, "", ""),
1135         U_BOOT_CMD_MKENT(bkops, 4, 0, do_mmc_bkops, "", ""),
1136 #endif
1137 };
1138
1139 static int do_mmcops(struct cmd_tbl *cmdtp, int flag, int argc,
1140                      char *const argv[])
1141 {
1142         struct cmd_tbl *cp;
1143
1144         cp = find_cmd_tbl(argv[1], cmd_mmc, ARRAY_SIZE(cmd_mmc));
1145
1146         /* Drop the mmc command */
1147         argc--;
1148         argv++;
1149
1150         if (cp == NULL || argc > cp->maxargs)
1151                 return CMD_RET_USAGE;
1152         if (flag == CMD_FLAG_REPEAT && !cmd_is_repeatable(cp))
1153                 return CMD_RET_SUCCESS;
1154
1155         if (curr_device < 0) {
1156                 if (get_mmc_num() > 0) {
1157                         curr_device = 0;
1158                 } else {
1159                         puts("No MMC device available\n");
1160                         return CMD_RET_FAILURE;
1161                 }
1162         }
1163         return cp->cmd(cmdtp, flag, argc, argv);
1164 }
1165
1166 U_BOOT_CMD(
1167         mmc, 29, 1, do_mmcops,
1168         "MMC sub system",
1169         "info - display info of the current MMC device\n"
1170         "mmc read addr blk# cnt\n"
1171         "mmc write addr blk# cnt\n"
1172 #if CONFIG_IS_ENABLED(CMD_MMC_SWRITE)
1173         "mmc swrite addr blk#\n"
1174 #endif
1175         "mmc erase blk# cnt\n"
1176         "mmc rescan [mode]\n"
1177         "mmc part - lists available partition on current mmc device\n"
1178         "mmc dev [dev] [part] [mode] - show or set current mmc device [partition] and set mode\n"
1179         "  - the required speed mode is passed as the index from the following list\n"
1180         "    [MMC_LEGACY, MMC_HS, SD_HS, MMC_HS_52, MMC_DDR_52, UHS_SDR12, UHS_SDR25,\n"
1181         "    UHS_SDR50, UHS_DDR50, UHS_SDR104, MMC_HS_200, MMC_HS_400, MMC_HS_400_ES]\n"
1182         "mmc list - lists available devices\n"
1183         "mmc wp [PART] - power on write protect boot partitions\n"
1184         "  arguments:\n"
1185         "   PART - [0|1]\n"
1186         "       : 0 - first boot partition, 1 - second boot partition\n"
1187         "         if not assigned, write protect all boot partitions\n"
1188 #if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
1189         "mmc hwpartition <USER> <GP> <MODE> - does hardware partitioning\n"
1190         "  arguments (sizes in 512-byte blocks):\n"
1191         "   USER - <user> <enh> <start> <cnt> <wrrel> <{on|off}>\n"
1192         "       : sets user data area attributes\n"
1193         "   GP - <{gp1|gp2|gp3|gp4}> <cnt> <enh> <wrrel> <{on|off}>\n"
1194         "       : general purpose partition\n"
1195         "   MODE - <{check|set|complete}>\n"
1196         "       : mode, complete set partitioning completed\n"
1197         "  WARNING: Partitioning is a write-once setting once it is set to complete.\n"
1198         "  Power cycling is required to initialize partitions after set to complete.\n"
1199 #endif
1200 #ifdef CONFIG_SUPPORT_EMMC_BOOT
1201         "mmc bootbus <dev> <boot_bus_width> <reset_boot_bus_width> <boot_mode>\n"
1202         " - Set the BOOT_BUS_WIDTH field of the specified device\n"
1203         "mmc bootpart-resize <dev> <boot part size MB> <RPMB part size MB>\n"
1204         " - Change sizes of boot and RPMB partitions of specified device\n"
1205         "mmc partconf <dev> [[varname] | [<boot_ack> <boot_partition> <partition_access>]]\n"
1206         " - Show or change the bits of the PARTITION_CONFIG field of the specified device\n"
1207         "   If showing the bits, optionally store the boot_partition field into varname\n"
1208         "mmc rst-function <dev> <value>\n"
1209         " - Change the RST_n_FUNCTION field of the specified device\n"
1210         "   WARNING: This is a write-once field and 0 / 1 / 2 are the only valid values.\n"
1211 #endif
1212 #if CONFIG_IS_ENABLED(CMD_MMC_RPMB)
1213         "mmc rpmb read addr blk# cnt [address of auth-key] - block size is 256 bytes\n"
1214         "mmc rpmb write addr blk# cnt <address of auth-key> - block size is 256 bytes\n"
1215         "mmc rpmb key <address of auth-key> - program the RPMB authentication key.\n"
1216         "mmc rpmb counter - read the value of the write counter\n"
1217 #endif
1218         "mmc setdsr <value> - set DSR register value\n"
1219 #ifdef CONFIG_CMD_BKOPS_ENABLE
1220         "mmc bkops-enable <dev> - enable background operations handshake on device\n"
1221         "   WARNING: This is a write-once setting.\n"
1222         "mmc bkops <dev> [auto|manual] [enable|disable]\n"
1223         " - configure background operations handshake on device\n"
1224 #endif
1225         );
1226
1227 /* Old command kept for compatibility. Same as 'mmc info' */
1228 U_BOOT_CMD(
1229         mmcinfo, 1, 0, do_mmcinfo,
1230         "display MMC info",
1231         "- display info of the current MMC device"
1232 );