cmd/mmc.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * (C) Copyright 2003
   4  * Kyle Harris, [email protected]
   5  */
   6
   7 #include <blk.h>
   8 #include <command.h>
   9 #include <console.h>
  10 #include <display_options.h>
  11 #include <mapmem.h>
  12 #include <memalign.h>
  13 #include <mmc.h>
  14 #include <part.h>
  15 #include <sparse_format.h>
  16 #include <image-sparse.h>
  17 #include <vsprintf.h>
  18 #include <linux/ctype.h>
  19
  20 static int curr_device = -1;
  21
  22 static void print_mmcinfo(struct mmc *mmc)
  23 {
  24         int i;
  25
  26         printf("Device: %s\n", mmc->cfg->name);
  27         printf("Manufacturer ID: %x\n", mmc->cid[0] >> 24);
  28         if (IS_SD(mmc)) {
  29                 printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xffff);
  30                 printf("Name: %c%c%c%c%c \n", mmc->cid[0] & 0xff,
  31                 (mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff,
  32                 (mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff);
  33         } else {
  34                 printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xff);
  35                 printf("Name: %c%c%c%c%c%c \n", mmc->cid[0] & 0xff,
  36                 (mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff,
  37                 (mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff,
  38                 (mmc->cid[2] >> 24));
  39         }
  40
  41         printf("Bus Speed: %d\n", mmc->clock);
  42 #if CONFIG_IS_ENABLED(MMC_VERBOSE)
  43         printf("Mode: %s\n", mmc_mode_name(mmc->selected_mode));
  44         mmc_dump_capabilities("card capabilities", mmc->card_caps);
  45         mmc_dump_capabilities("host capabilities", mmc->host_caps);
  46 #endif
  47         printf("Rd Block Len: %d\n", mmc->read_bl_len);
  48
  49         printf("%s version %d.%d", IS_SD(mmc) ? "SD" : "MMC",
  50                         EXTRACT_SDMMC_MAJOR_VERSION(mmc->version),
  51                         EXTRACT_SDMMC_MINOR_VERSION(mmc->version));
  52         if (EXTRACT_SDMMC_CHANGE_VERSION(mmc->version) != 0)
  53                 printf(".%d", EXTRACT_SDMMC_CHANGE_VERSION(mmc->version));
  54         printf("\n");
  55
  56         printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No");
  57         puts("Capacity: ");
  58         print_size(mmc->capacity, "\n");
  59
  60         printf("Bus Width: %d-bit%s\n", mmc->bus_width,
  61                         mmc->ddr_mode ? " DDR" : "");
  62
  63 #if CONFIG_IS_ENABLED(MMC_WRITE)
  64         puts("Erase Group Size: ");
  65         print_size(((u64)mmc->erase_grp_size) << 9, "\n");
  66 #endif
  67
  68         if (!IS_SD(mmc) && mmc->version >= MMC_VERSION_4_41) {
  69                 bool has_enh = (mmc->part_support & ENHNCD_SUPPORT) != 0;
  70                 bool usr_enh = has_enh && (mmc->part_attr & EXT_CSD_ENH_USR);
  71                 ALLOC_CACHE_ALIGN_BUFFER(u8, ext_csd, MMC_MAX_BLOCK_LEN);
  72                 u8 wp;
  73                 int ret;
  74
  75 #if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
  76                 puts("HC WP Group Size: ");
  77                 print_size(((u64)mmc->hc_wp_grp_size) << 9, "\n");
  78 #endif
  79
  80                 puts("User Capacity: ");
  81                 print_size(mmc->capacity_user, usr_enh ? " ENH" : "");
  82                 if (mmc->wr_rel_set & EXT_CSD_WR_DATA_REL_USR)
  83                         puts(" WRREL\n");
  84                 else
  85                         putc('\n');
  86                 if (usr_enh) {
  87                         puts("User Enhanced Start: ");
  88                         print_size(mmc->enh_user_start, "\n");
  89                         puts("User Enhanced Size: ");
  90                         print_size(mmc->enh_user_size, "\n");
  91                 }
  92                 puts("Boot Capacity: ");
  93                 print_size(mmc->capacity_boot, has_enh ? " ENH\n" : "\n");
  94                 puts("RPMB Capacity: ");
  95                 print_size(mmc->capacity_rpmb, has_enh ? " ENH\n" : "\n");
  96
  97                 for (i = 0; i < ARRAY_SIZE(mmc->capacity_gp); i++) {
  98                         bool is_enh = has_enh &&
  99                                 (mmc->part_attr & EXT_CSD_ENH_GP(i));
 100                         if (mmc->capacity_gp[i]) {
 101                                 printf("GP%i Capacity: ", i+1);
 102                                 print_size(mmc->capacity_gp[i],
 103                                            is_enh ? " ENH" : "");
 104                                 if (mmc->wr_rel_set & EXT_CSD_WR_DATA_REL_GP(i))
 105                                         puts(" WRREL\n");
 106                                 else
 107                                         putc('\n');
 108                         }
 109                 }
 110                 ret = mmc_send_ext_csd(mmc, ext_csd);
 111                 if (ret)
 112                         return;
 113                 wp = ext_csd[EXT_CSD_BOOT_WP_STATUS];
 114                 for (i = 0; i < 2; ++i) {
 115                         printf("Boot area %d is ", i);
 116                         switch (wp & 3) {
 117                         case 0:
 118                                 printf("not write protected\n");
 119                                 break;
 120                         case 1:
 121                                 printf("power on protected\n");
 122                                 break;
 123                         case 2:
 124                                 printf("permanently protected\n");
 125                                 break;
 126                         default:
 127                                 printf("in reserved protection state\n");
 128                                 break;
 129                         }
 130                         wp >>= 2;
 131                 }
 132         }
 133 }
 134
 135 static struct mmc *__init_mmc_device(int dev, bool force_init,
 136                                      enum bus_mode speed_mode)
 137 {
 138         struct mmc *mmc;
 139         mmc = find_mmc_device(dev);
 140         if (!mmc) {
 141                 printf("no mmc device at slot %x\n", dev);
 142                 return NULL;
 143         }
 144
 145         if (!mmc_getcd(mmc))
 146                 force_init = true;
 147
 148         if (force_init)
 149                 mmc->has_init = 0;
 150
 151         if (IS_ENABLED(CONFIG_MMC_SPEED_MODE_SET))
 152                 mmc->user_speed_mode = speed_mode;
 153
 154         if (mmc_init(mmc))
 155                 return NULL;
 156
 157 #ifdef CONFIG_BLOCK_CACHE
 158         struct blk_desc *bd = mmc_get_blk_desc(mmc);
 159         blkcache_invalidate(bd->uclass_id, bd->devnum);
 160 #endif
 161
 162         return mmc;
 163 }
 164
 165 static struct mmc *init_mmc_device(int dev, bool force_init)
 166 {
 167         return __init_mmc_device(dev, force_init, MMC_MODES_END);
 168 }
 169
 170 static int do_mmcinfo(struct cmd_tbl *cmdtp, int flag, int argc,
 171                       char *const argv[])
 172 {
 173         struct mmc *mmc;
 174
 175         if (curr_device < 0) {
 176                 if (get_mmc_num() > 0)
 177                         curr_device = 0;
 178                 else {
 179                         puts("No MMC device available\n");
 180                         return CMD_RET_FAILURE;
 181                 }
 182         }
 183
 184         mmc = init_mmc_device(curr_device, false);
 185         if (!mmc)
 186                 return CMD_RET_FAILURE;
 187
 188         print_mmcinfo(mmc);
 189         return CMD_RET_SUCCESS;
 190 }
 191
 192 #if CONFIG_IS_ENABLED(CMD_MMC_RPMB)
 193 static int confirm_key_prog(void)
 194 {
 195         puts("Warning: Programming authentication key can be done only once !\n"
 196              "         Use this command only if you are sure of what you are doing,\n"
 197              "Really perform the key programming? <y/N> ");
 198         if (confirm_yesno())
 199                 return 1;
 200
 201         puts("Authentication key programming aborted\n");
 202         return 0;
 203 }
 204
 205 static int do_mmcrpmb_key(struct cmd_tbl *cmdtp, int flag,
 206                           int argc, char *const argv[])
 207 {
 208         void *key_addr;
 209         struct mmc *mmc = find_mmc_device(curr_device);
 210
 211         if (argc != 2)
 212                 return CMD_RET_USAGE;
 213
 214         key_addr = (void *)hextoul(argv[1], NULL);
 215         if (!confirm_key_prog())
 216                 return CMD_RET_FAILURE;
 217         if (mmc_rpmb_set_key(mmc, key_addr)) {
 218                 printf("ERROR - Key already programmed ?\n");
 219                 return CMD_RET_FAILURE;
 220         }
 221         return CMD_RET_SUCCESS;
 222 }
 223
 224 static int do_mmcrpmb_read(struct cmd_tbl *cmdtp, int flag,
 225                            int argc, char *const argv[])
 226 {
 227         u16 blk, cnt;
 228         void *addr;
 229         int n;
 230         void *key_addr = NULL;
 231         struct mmc *mmc = find_mmc_device(curr_device);
 232
 233         if (argc < 4)
 234                 return CMD_RET_USAGE;
 235
 236         addr = (void *)hextoul(argv[1], NULL);
 237         blk = hextoul(argv[2], NULL);
 238         cnt = hextoul(argv[3], NULL);
 239
 240         if (argc == 5)
 241                 key_addr = (void *)hextoul(argv[4], NULL);
 242
 243         printf("MMC RPMB read: dev # %d, block # %d, count %d ... ",
 244                curr_device, blk, cnt);
 245         n =  mmc_rpmb_read(mmc, addr, blk, cnt, key_addr);
 246
 247         printf("%d RPMB blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");
 248         if (n != cnt)
 249                 return CMD_RET_FAILURE;
 250         return CMD_RET_SUCCESS;
 251 }
 252
 253 static int do_mmcrpmb_write(struct cmd_tbl *cmdtp, int flag,
 254                             int argc, char *const argv[])
 255 {
 256         u16 blk, cnt;
 257         void *addr;
 258         int n;
 259         void *key_addr;
 260         struct mmc *mmc = find_mmc_device(curr_device);
 261
 262         if (argc != 5)
 263                 return CMD_RET_USAGE;
 264
 265         addr = (void *)hextoul(argv[1], NULL);
 266         blk = hextoul(argv[2], NULL);
 267         cnt = hextoul(argv[3], NULL);
 268         key_addr = (void *)hextoul(argv[4], NULL);
 269
 270         printf("MMC RPMB write: dev # %d, block # %d, count %d ... ",
 271                curr_device, blk, cnt);
 272         n =  mmc_rpmb_write(mmc, addr, blk, cnt, key_addr);
 273
 274         printf("%d RPMB blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");
 275         if (n != cnt)
 276                 return CMD_RET_FAILURE;
 277         return CMD_RET_SUCCESS;
 278 }
 279
 280 static int do_mmcrpmb_counter(struct cmd_tbl *cmdtp, int flag,
 281                               int argc, char *const argv[])
 282 {
 283         unsigned long counter;
 284         struct mmc *mmc = find_mmc_device(curr_device);
 285
 286         if (mmc_rpmb_get_counter(mmc, &counter))
 287                 return CMD_RET_FAILURE;
 288         printf("RPMB Write counter= %lx\n", counter);
 289         return CMD_RET_SUCCESS;
 290 }
 291
 292 static struct cmd_tbl cmd_rpmb[] = {
 293         U_BOOT_CMD_MKENT(key, 2, 0, do_mmcrpmb_key, "", ""),
 294         U_BOOT_CMD_MKENT(read, 5, 1, do_mmcrpmb_read, "", ""),
 295         U_BOOT_CMD_MKENT(write, 5, 0, do_mmcrpmb_write, "", ""),
 296         U_BOOT_CMD_MKENT(counter, 1, 1, do_mmcrpmb_counter, "", ""),
 297 };
 298
 299 static int do_mmcrpmb(struct cmd_tbl *cmdtp, int flag,
 300                       int argc, char *const argv[])
 301 {
 302         struct cmd_tbl *cp;
 303         struct mmc *mmc;
 304         char original_part;
 305         int ret;
 306
 307         cp = find_cmd_tbl(argv[1], cmd_rpmb, ARRAY_SIZE(cmd_rpmb));
 308
 309         /* Drop the rpmb subcommand */
 310         argc--;
 311         argv++;
 312
 313         if (cp == NULL || argc > cp->maxargs)
 314                 return CMD_RET_USAGE;
 315         if (flag == CMD_FLAG_REPEAT && !cmd_is_repeatable(cp))
 316                 return CMD_RET_SUCCESS;
 317
 318         mmc = init_mmc_device(curr_device, false);
 319         if (!mmc)
 320                 return CMD_RET_FAILURE;
 321
 322         if (!(mmc->version & MMC_VERSION_MMC)) {
 323                 printf("It is not an eMMC device\n");
 324                 return CMD_RET_FAILURE;
 325         }
 326         if (mmc->version < MMC_VERSION_4_41) {
 327                 printf("RPMB not supported before version 4.41\n");
 328                 return CMD_RET_FAILURE;
 329         }
 330         /* Switch to the RPMB partition */
 331 #ifndef CONFIG_BLK
 332         original_part = mmc->block_dev.hwpart;
 333 #else
 334         original_part = mmc_get_blk_desc(mmc)->hwpart;
 335 #endif
 336         if (blk_select_hwpart_devnum(UCLASS_MMC, curr_device, MMC_PART_RPMB) !=
 337             0)
 338                 return CMD_RET_FAILURE;
 339         ret = cp->cmd(cmdtp, flag, argc, argv);
 340
 341         /* Return to original partition */
 342         if (blk_select_hwpart_devnum(UCLASS_MMC, curr_device, original_part) !=
 343             0)
 344                 return CMD_RET_FAILURE;
 345         return ret;
 346 }
 347 #endif
 348
 349 static int do_mmc_read(struct cmd_tbl *cmdtp, int flag,
 350                        int argc, char *const argv[])
 351 {
 352         struct mmc *mmc;
 353         u32 blk, cnt, n;
 354         void *ptr;
 355
 356         if (argc != 4)
 357                 return CMD_RET_USAGE;
 358
 359         ptr = map_sysmem(hextoul(argv[1], NULL), 0);
 360         blk = hextoul(argv[2], NULL);
 361         cnt = hextoul(argv[3], NULL);
 362
 363         mmc = init_mmc_device(curr_device, false);
 364         if (!mmc)
 365                 return CMD_RET_FAILURE;
 366
 367         printf("MMC read: dev # %d, block # %d, count %d ... ",
 368                curr_device, blk, cnt);
 369
 370         n = blk_dread(mmc_get_blk_desc(mmc), blk, cnt, ptr);
 371         printf("%d blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");
 372         unmap_sysmem(ptr);
 373
 374         return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
 375 }
 376
 377 #if CONFIG_IS_ENABLED(CMD_MMC_SWRITE)
 378 static lbaint_t mmc_sparse_write(struct sparse_storage *info, lbaint_t blk,
 379                                  lbaint_t blkcnt, const void *buffer)
 380 {
 381         struct blk_desc *dev_desc = info->priv;
 382
 383         return blk_dwrite(dev_desc, blk, blkcnt, buffer);
 384 }
 385
 386 static lbaint_t mmc_sparse_reserve(struct sparse_storage *info,
 387                                    lbaint_t blk, lbaint_t blkcnt)
 388 {
 389         return blkcnt;
 390 }
 391
 392 static int do_mmc_sparse_write(struct cmd_tbl *cmdtp, int flag,
 393                                int argc, char *const argv[])
 394 {
 395         struct sparse_storage sparse;
 396         struct blk_desc *dev_desc;
 397         struct mmc *mmc;
 398         char dest[11];
 399         void *addr;
 400         u32 blk;
 401
 402         if (argc != 3)
 403                 return CMD_RET_USAGE;
 404
 405         addr = (void *)hextoul(argv[1], NULL);
 406         blk = hextoul(argv[2], NULL);
 407
 408         if (!is_sparse_image(addr)) {
 409                 printf("Not a sparse image\n");
 410                 return CMD_RET_FAILURE;
 411         }
 412
 413         mmc = init_mmc_device(curr_device, false);
 414         if (!mmc)
 415                 return CMD_RET_FAILURE;
 416
 417         printf("MMC Sparse write: dev # %d, block # %d ... ",
 418                curr_device, blk);
 419
 420         if (mmc_getwp(mmc) == 1) {
 421                 printf("Error: card is write protected!\n");
 422                 return CMD_RET_FAILURE;
 423         }
 424
 425         dev_desc = mmc_get_blk_desc(mmc);
 426         sparse.priv = dev_desc;
 427         sparse.blksz = 512;
 428         sparse.start = blk;
 429         sparse.size = dev_desc->lba - blk;
 430         sparse.write = mmc_sparse_write;
 431         sparse.reserve = mmc_sparse_reserve;
 432         sparse.mssg = NULL;
 433         sprintf(dest, "0x" LBAF, sparse.start * sparse.blksz);
 434
 435         if (write_sparse_image(&sparse, dest, addr, NULL))
 436                 return CMD_RET_FAILURE;
 437         else
 438                 return CMD_RET_SUCCESS;
 439 }
 440 #endif
 441
 442 #if CONFIG_IS_ENABLED(MMC_WRITE)
 443 static int do_mmc_write(struct cmd_tbl *cmdtp, int flag,
 444                         int argc, char *const argv[])
 445 {
 446         struct mmc *mmc;
 447         u32 blk, cnt, n;
 448         void *ptr;
 449
 450         if (argc != 4)
 451                 return CMD_RET_USAGE;
 452
 453         ptr = map_sysmem(hextoul(argv[1], NULL), 0);
 454         blk = hextoul(argv[2], NULL);
 455         cnt = hextoul(argv[3], NULL);
 456
 457         mmc = init_mmc_device(curr_device, false);
 458         if (!mmc)
 459                 return CMD_RET_FAILURE;
 460
 461         printf("MMC write: dev # %d, block # %d, count %d ... ",
 462                curr_device, blk, cnt);
 463
 464         if (mmc_getwp(mmc) == 1) {
 465                 printf("Error: card is write protected!\n");
 466                 return CMD_RET_FAILURE;
 467         }
 468         n = blk_dwrite(mmc_get_blk_desc(mmc), blk, cnt, ptr);
 469         printf("%d blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");
 470         unmap_sysmem(ptr);
 471
 472         return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
 473 }
 474
 475 static int do_mmc_erase(struct cmd_tbl *cmdtp, int flag,
 476                         int argc, char *const argv[])
 477 {
 478         struct mmc *mmc;
 479         struct disk_partition info;
 480         u32 blk, cnt, n;
 481
 482         if (argc < 2 || argc > 3)
 483                 return CMD_RET_USAGE;
 484
 485         mmc = init_mmc_device(curr_device, false);
 486         if (!mmc)
 487                 return CMD_RET_FAILURE;
 488
 489         if (argc == 3) {
 490                 blk = hextoul(argv[1], NULL);
 491                 cnt = hextoul(argv[2], NULL);
 492         } else if (part_get_info_by_name(mmc_get_blk_desc(mmc), argv[1], &info) >= 0) {
 493                 blk = info.start;
 494                 cnt = info.size;
 495         } else {
 496                 return CMD_RET_FAILURE;
 497         }
 498
 499         printf("MMC erase: dev # %d, block # %d, count %d ... ",
 500                curr_device, blk, cnt);
 501
 502         if (mmc_getwp(mmc) == 1) {
 503                 printf("Error: card is write protected!\n");
 504                 return CMD_RET_FAILURE;
 505         }
 506         n = blk_derase(mmc_get_blk_desc(mmc), blk, cnt);
 507         printf("%d blocks erased: %s\n", n, (n == cnt) ? "OK" : "ERROR");
 508
 509         return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
 510 }
 511 #endif
 512
 513 static int do_mmc_rescan(struct cmd_tbl *cmdtp, int flag,
 514                          int argc, char *const argv[])
 515 {
 516         struct mmc *mmc;
 517
 518         if (argc == 1) {
 519                 mmc = init_mmc_device(curr_device, true);
 520         } else if (argc == 2) {
 521                 enum bus_mode speed_mode;
 522
 523                 speed_mode = (int)dectoul(argv[1], NULL);
 524                 mmc = __init_mmc_device(curr_device, true, speed_mode);
 525         } else {
 526                 return CMD_RET_USAGE;
 527         }
 528
 529         if (!mmc)
 530                 return CMD_RET_FAILURE;
 531
 532         return CMD_RET_SUCCESS;
 533 }
 534
 535 static int do_mmc_part(struct cmd_tbl *cmdtp, int flag,
 536                        int argc, char *const argv[])
 537 {
 538         struct blk_desc *mmc_dev;
 539         struct mmc *mmc;
 540
 541         mmc = init_mmc_device(curr_device, false);
 542         if (!mmc)
 543                 return CMD_RET_FAILURE;
 544
 545         mmc_dev = blk_get_devnum_by_uclass_id(UCLASS_MMC, curr_device);
 546         if (mmc_dev != NULL && mmc_dev->type != DEV_TYPE_UNKNOWN) {
 547                 part_print(mmc_dev);
 548                 return CMD_RET_SUCCESS;
 549         }
 550
 551         puts("get mmc type error!\n");
 552         return CMD_RET_FAILURE;
 553 }
 554
 555 static int do_mmc_dev(struct cmd_tbl *cmdtp, int flag,
 556                       int argc, char *const argv[])
 557 {
 558         int dev, part = 0, ret;
 559         struct mmc *mmc;
 560
 561         if (argc == 1) {
 562                 dev = curr_device;
 563                 mmc = init_mmc_device(dev, true);
 564         } else if (argc == 2) {
 565                 dev = (int)dectoul(argv[1], NULL);
 566                 mmc = init_mmc_device(dev, true);
 567         } else if (argc == 3) {
 568                 dev = (int)dectoul(argv[1], NULL);
 569                 part = (int)dectoul(argv[2], NULL);
 570                 if (part > PART_ACCESS_MASK) {
 571                         printf("#part_num shouldn't be larger than %d\n",
 572                                PART_ACCESS_MASK);
 573                         return CMD_RET_FAILURE;
 574                 }
 575                 mmc = init_mmc_device(dev, true);
 576         } else if (argc == 4) {
 577                 enum bus_mode speed_mode;
 578
 579                 dev = (int)dectoul(argv[1], NULL);
 580                 part = (int)dectoul(argv[2], NULL);
 581                 if (part > PART_ACCESS_MASK) {
 582                         printf("#part_num shouldn't be larger than %d\n",
 583                                PART_ACCESS_MASK);
 584                         return CMD_RET_FAILURE;
 585                 }
 586                 speed_mode = (int)dectoul(argv[3], NULL);
 587                 mmc = __init_mmc_device(dev, true, speed_mode);
 588         } else {
 589                 return CMD_RET_USAGE;
 590         }
 591
 592         if (!mmc)
 593                 return CMD_RET_FAILURE;
 594
 595         ret = blk_select_hwpart_devnum(UCLASS_MMC, dev, part);
 596         printf("switch to partitions #%d, %s\n",
 597                part, (!ret) ? "OK" : "ERROR");
 598         if (ret)
 599                 return 1;
 600
 601         curr_device = dev;
 602         if (mmc->part_config == MMCPART_NOAVAILABLE)
 603                 printf("mmc%d is current device\n", curr_device);
 604         else
 605                 printf("mmc%d(part %d) is current device\n",
 606                        curr_device, mmc_get_blk_desc(mmc)->hwpart);
 607
 608         return CMD_RET_SUCCESS;
 609 }
 610
 611 static int do_mmc_list(struct cmd_tbl *cmdtp, int flag,
 612                        int argc, char *const argv[])
 613 {
 614         print_mmc_devices('\n');
 615         return CMD_RET_SUCCESS;
 616 }
 617
 618 #if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
 619 static void parse_hwpart_user_enh_size(struct mmc *mmc,
 620                                        struct mmc_hwpart_conf *pconf,
 621                                        char *argv)
 622 {
 623         int i, ret;
 624
 625         pconf->user.enh_size = 0;
 626
 627         if (!strcmp(argv, "-")) { /* The rest of eMMC */
 628                 ALLOC_CACHE_ALIGN_BUFFER(u8, ext_csd, MMC_MAX_BLOCK_LEN);
 629                 ret = mmc_send_ext_csd(mmc, ext_csd);
 630                 if (ret)
 631                         return;
 632                 /* The enh_size value is in 512B block units */
 633                 pconf->user.enh_size =
 634                         ((ext_csd[EXT_CSD_MAX_ENH_SIZE_MULT + 2] << 16) +
 635                         (ext_csd[EXT_CSD_MAX_ENH_SIZE_MULT + 1] << 8) +
 636                         ext_csd[EXT_CSD_MAX_ENH_SIZE_MULT]) * 1024 *
 637                         ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE] *
 638                         ext_csd[EXT_CSD_HC_WP_GRP_SIZE];
 639                 pconf->user.enh_size -= pconf->user.enh_start;
 640                 for (i = 0; i < ARRAY_SIZE(mmc->capacity_gp); i++) {
 641                         /*
 642                          * If the eMMC already has GP partitions set,
 643                          * subtract their size from the maximum USER
 644                          * partition size.
 645                          *
 646                          * Else, if the command was used to configure new
 647                          * GP partitions, subtract their size from maximum
 648                          * USER partition size.
 649                          */
 650                         if (mmc->capacity_gp[i]) {
 651                                 /* The capacity_gp is in 1B units */
 652                                 pconf->user.enh_size -= mmc->capacity_gp[i] >> 9;
 653                         } else if (pconf->gp_part[i].size) {
 654                                 /* The gp_part[].size is in 512B units */
 655                                 pconf->user.enh_size -= pconf->gp_part[i].size;
 656                         }
 657                 }
 658         } else {
 659                 pconf->user.enh_size = dectoul(argv, NULL);
 660         }
 661 }
 662
 663 static int parse_hwpart_user(struct mmc *mmc, struct mmc_hwpart_conf *pconf,
 664                              int argc, char *const argv[])
 665 {
 666         int i = 0;
 667
 668         memset(&pconf->user, 0, sizeof(pconf->user));
 669
 670         while (i < argc) {
 671                 if (!strcmp(argv[i], "enh")) {
 672                         if (i + 2 >= argc)
 673                                 return -1;
 674                         pconf->user.enh_start =
 675                                 dectoul(argv[i + 1], NULL);
 676                         parse_hwpart_user_enh_size(mmc, pconf, argv[i + 2]);
 677                         i += 3;
 678                 } else if (!strcmp(argv[i], "wrrel")) {
 679                         if (i + 1 >= argc)
 680                                 return -1;
 681                         pconf->user.wr_rel_change = 1;
 682                         if (!strcmp(argv[i+1], "on"))
 683                                 pconf->user.wr_rel_set = 1;
 684                         else if (!strcmp(argv[i+1], "off"))
 685                                 pconf->user.wr_rel_set = 0;
 686                         else
 687                                 return -1;
 688                         i += 2;
 689                 } else {
 690                         break;
 691                 }
 692         }
 693         return i;
 694 }
 695
 696 static int parse_hwpart_gp(struct mmc_hwpart_conf *pconf, int pidx,
 697                            int argc, char *const argv[])
 698 {
 699         int i;
 700
 701         memset(&pconf->gp_part[pidx], 0, sizeof(pconf->gp_part[pidx]));
 702
 703         if (1 >= argc)
 704                 return -1;
 705         pconf->gp_part[pidx].size = dectoul(argv[0], NULL);
 706
 707         i = 1;
 708         while (i < argc) {
 709                 if (!strcmp(argv[i], "enh")) {
 710                         pconf->gp_part[pidx].enhanced = 1;
 711                         i += 1;
 712                 } else if (!strcmp(argv[i], "wrrel")) {
 713                         if (i + 1 >= argc)
 714                                 return -1;
 715                         pconf->gp_part[pidx].wr_rel_change = 1;
 716                         if (!strcmp(argv[i+1], "on"))
 717                                 pconf->gp_part[pidx].wr_rel_set = 1;
 718                         else if (!strcmp(argv[i+1], "off"))
 719                                 pconf->gp_part[pidx].wr_rel_set = 0;
 720                         else
 721                                 return -1;
 722                         i += 2;
 723                 } else {
 724                         break;
 725                 }
 726         }
 727         return i;
 728 }
 729
 730 static int do_mmc_hwpartition(struct cmd_tbl *cmdtp, int flag,
 731                               int argc, char *const argv[])
 732 {
 733         struct mmc *mmc;
 734         struct mmc_hwpart_conf pconf = { };
 735         enum mmc_hwpart_conf_mode mode = MMC_HWPART_CONF_CHECK;
 736         int i, r, pidx;
 737
 738         mmc = init_mmc_device(curr_device, false);
 739         if (!mmc)
 740                 return CMD_RET_FAILURE;
 741
 742         if (IS_SD(mmc)) {
 743                 puts("SD doesn't support partitioning\n");
 744                 return CMD_RET_FAILURE;
 745         }
 746
 747         if (argc < 1)
 748                 return CMD_RET_USAGE;
 749         i = 1;
 750         while (i < argc) {
 751                 if (!strcmp(argv[i], "user")) {
 752                         i++;
 753                         r = parse_hwpart_user(mmc, &pconf, argc - i, &argv[i]);
 754                         if (r < 0)
 755                                 return CMD_RET_USAGE;
 756                         i += r;
 757                 } else if (!strncmp(argv[i], "gp", 2) &&
 758                            strlen(argv[i]) == 3 &&
 759                            argv[i][2] >= '1' && argv[i][2] <= '4') {
 760                         pidx = argv[i][2] - '1';
 761                         i++;
 762                         r = parse_hwpart_gp(&pconf, pidx, argc-i, &argv[i]);
 763                         if (r < 0)
 764                                 return CMD_RET_USAGE;
 765                         i += r;
 766                 } else if (!strcmp(argv[i], "check")) {
 767                         mode = MMC_HWPART_CONF_CHECK;
 768                         i++;
 769                 } else if (!strcmp(argv[i], "set")) {
 770                         mode = MMC_HWPART_CONF_SET;
 771                         i++;
 772                 } else if (!strcmp(argv[i], "complete")) {
 773                         mode = MMC_HWPART_CONF_COMPLETE;
 774                         i++;
 775                 } else {
 776                         return CMD_RET_USAGE;
 777                 }
 778         }
 779
 780         puts("Partition configuration:\n");
 781         if (pconf.user.enh_size) {
 782                 puts("\tUser Enhanced Start: ");
 783                 print_size(((u64)pconf.user.enh_start) << 9, "\n");
 784                 puts("\tUser Enhanced Size: ");
 785                 print_size(((u64)pconf.user.enh_size) << 9, "\n");
 786         } else {
 787                 puts("\tNo enhanced user data area\n");
 788         }
 789         if (pconf.user.wr_rel_change)
 790                 printf("\tUser partition write reliability: %s\n",
 791                        pconf.user.wr_rel_set ? "on" : "off");
 792         for (pidx = 0; pidx < 4; pidx++) {
 793                 if (pconf.gp_part[pidx].size) {
 794                         printf("\tGP%i Capacity: ", pidx+1);
 795                         print_size(((u64)pconf.gp_part[pidx].size) << 9,
 796                                    pconf.gp_part[pidx].enhanced ?
 797                                    " ENH\n" : "\n");
 798                 } else {
 799                         printf("\tNo GP%i partition\n", pidx+1);
 800                 }
 801                 if (pconf.gp_part[pidx].wr_rel_change)
 802                         printf("\tGP%i write reliability: %s\n", pidx+1,
 803                                pconf.gp_part[pidx].wr_rel_set ? "on" : "off");
 804         }
 805
 806         if (!mmc_hwpart_config(mmc, &pconf, mode)) {
 807                 if (mode == MMC_HWPART_CONF_COMPLETE)
 808                         puts("Partitioning successful, "
 809                              "power-cycle to make effective\n");
 810                 return CMD_RET_SUCCESS;
 811         } else {
 812                 puts("Failed!\n");
 813                 return CMD_RET_FAILURE;
 814         }
 815 }
 816 #endif
 817
 818 #ifdef CONFIG_SUPPORT_EMMC_BOOT
 819 static int do_mmc_bootbus(struct cmd_tbl *cmdtp, int flag,
 820                           int argc, char *const argv[])
 821 {
 822         int dev;
 823         struct mmc *mmc;
 824         u8 width, reset, mode;
 825
 826         if (argc != 5)
 827                 return CMD_RET_USAGE;
 828         dev = dectoul(argv[1], NULL);
 829         width = dectoul(argv[2], NULL);
 830         reset = dectoul(argv[3], NULL);
 831         mode = dectoul(argv[4], NULL);
 832
 833         mmc = init_mmc_device(dev, false);
 834         if (!mmc)
 835                 return CMD_RET_FAILURE;
 836
 837         if (IS_SD(mmc)) {
 838                 puts("BOOT_BUS_WIDTH only exists on eMMC\n");
 839                 return CMD_RET_FAILURE;
 840         }
 841
 842         /*
 843          * BOOT_BUS_CONDITIONS[177]
 844          * BOOT_MODE[4:3]
 845          * 0x0 : Use SDR + Backward compatible timing in boot operation
 846          * 0x1 : Use SDR + High Speed Timing in boot operation mode
 847          * 0x2 : Use DDR in boot operation
 848          * RESET_BOOT_BUS_CONDITIONS
 849          * 0x0 : Reset bus width to x1, SDR, Backward compatible
 850          * 0x1 : Retain BOOT_BUS_WIDTH and BOOT_MODE
 851          * BOOT_BUS_WIDTH
 852          * 0x0 : x1(sdr) or x4 (ddr) buswidth
 853          * 0x1 : x4(sdr/ddr) buswith
 854          * 0x2 : x8(sdr/ddr) buswith
 855          *
 856          */
 857         if (width >= 0x3) {
 858                 printf("boot_bus_width %d is invalid\n", width);
 859                 return CMD_RET_FAILURE;
 860         }
 861
 862         if (reset >= 0x2) {
 863                 printf("reset_boot_bus_width %d is invalid\n", reset);
 864                 return CMD_RET_FAILURE;
 865         }
 866
 867         if (mode >= 0x3) {
 868                 printf("reset_boot_bus_width %d is invalid\n", mode);
 869                 return CMD_RET_FAILURE;
 870         }
 871
 872         /* acknowledge to be sent during boot operation */
 873         if (mmc_set_boot_bus_width(mmc, width, reset, mode)) {
 874                 puts("BOOT_BUS_WIDTH is failed to change.\n");
 875                 return CMD_RET_FAILURE;
 876         }
 877
 878         printf("Set to BOOT_BUS_WIDTH = 0x%x, RESET = 0x%x, BOOT_MODE = 0x%x\n",
 879                         width, reset, mode);
 880         return CMD_RET_SUCCESS;
 881 }
 882
 883 static int do_mmc_boot_resize(struct cmd_tbl *cmdtp, int flag,
 884                               int argc, char *const argv[])
 885 {
 886         int dev;
 887         struct mmc *mmc;
 888         u32 bootsize, rpmbsize;
 889
 890         if (argc != 4)
 891                 return CMD_RET_USAGE;
 892         dev = dectoul(argv[1], NULL);
 893         bootsize = dectoul(argv[2], NULL);
 894         rpmbsize = dectoul(argv[3], NULL);
 895
 896         mmc = init_mmc_device(dev, false);
 897         if (!mmc)
 898                 return CMD_RET_FAILURE;
 899
 900         if (IS_SD(mmc)) {
 901                 printf("It is not an eMMC device\n");
 902                 return CMD_RET_FAILURE;
 903         }
 904
 905         if (mmc_boot_partition_size_change(mmc, bootsize, rpmbsize)) {
 906                 printf("EMMC boot partition Size change Failed.\n");
 907                 return CMD_RET_FAILURE;
 908         }
 909
 910         printf("EMMC boot partition Size %d MB\n", bootsize);
 911         printf("EMMC RPMB partition Size %d MB\n", rpmbsize);
 912         return CMD_RET_SUCCESS;
 913 }
 914
 915 static int mmc_partconf_print(struct mmc *mmc, const char *varname)
 916 {
 917         u8 ack, access, part;
 918
 919         if (mmc->part_config == MMCPART_NOAVAILABLE) {
 920                 printf("No part_config info for ver. 0x%x\n", mmc->version);
 921                 return CMD_RET_FAILURE;
 922         }
 923
 924         access = EXT_CSD_EXTRACT_PARTITION_ACCESS(mmc->part_config);
 925         ack = EXT_CSD_EXTRACT_BOOT_ACK(mmc->part_config);
 926         part = EXT_CSD_EXTRACT_BOOT_PART(mmc->part_config);
 927
 928         if(varname)
 929                 env_set_hex(varname, part);
 930
 931         printf("EXT_CSD[179], PARTITION_CONFIG:\n"
 932                 "BOOT_ACK: 0x%x\n"
 933                 "BOOT_PARTITION_ENABLE: 0x%x (%s)\n"
 934                 "PARTITION_ACCESS: 0x%x (%s)\n", ack, part, emmc_boot_part_names[part],
 935                 access, emmc_hwpart_names[access]);
 936
 937         return CMD_RET_SUCCESS;
 938 }
 939
 940 static int do_mmc_partconf(struct cmd_tbl *cmdtp, int flag,
 941                            int argc, char *const argv[])
 942 {
 943         int ret, dev;
 944         struct mmc *mmc;
 945         u8 ack, part_num, access;
 946
 947         if (argc != 2 && argc != 3 && argc != 5)
 948                 return CMD_RET_USAGE;
 949
 950         dev = dectoul(argv[1], NULL);
 951
 952         mmc = init_mmc_device(dev, false);
 953         if (!mmc)
 954                 return CMD_RET_FAILURE;
 955
 956         if (IS_SD(mmc)) {
 957                 puts("PARTITION_CONFIG only exists on eMMC\n");
 958                 return CMD_RET_FAILURE;
 959         }
 960
 961         if (argc == 2 || argc == 3)
 962                 return mmc_partconf_print(mmc, cmd_arg2(argc, argv));
 963
 964         /* BOOT_ACK */
 965         ack = dectoul(argv[2], NULL);
 966         /* BOOT_PARTITION_ENABLE */
 967         if (!isdigit(*argv[3])) {
 968                 for (part_num = ARRAY_SIZE(emmc_boot_part_names) - 1; part_num > 0; part_num--) {
 969                         if (!strcmp(argv[3], emmc_boot_part_names[part_num]))
 970                                 break;
 971                 }
 972         } else {
 973                 part_num = dectoul(argv[3], NULL);
 974         }
 975         /* PARTITION_ACCESS */
 976         if (!isdigit(*argv[4])) {
 977                 for (access = ARRAY_SIZE(emmc_hwpart_names) - 1; access > 0; access--) {
 978                         if (!strcmp(argv[4], emmc_hwpart_names[access]))
 979                                 break;
 980                 }
 981         } else {
 982                 access = dectoul(argv[4], NULL);
 983         }
 984
 985         /* acknowledge to be sent during boot operation */
 986         ret = mmc_set_part_conf(mmc, ack, part_num, access);
 987         if (ret != 0)
 988                 return CMD_RET_FAILURE;
 989
 990         return CMD_RET_SUCCESS;
 991 }
 992
 993 static int do_mmc_rst_func(struct cmd_tbl *cmdtp, int flag,
 994                            int argc, char *const argv[])
 995 {
 996         int ret, dev;
 997         struct mmc *mmc;
 998         u8 enable;
 999
1000         /*
1001          * Set the RST_n_ENABLE bit of RST_n_FUNCTION
1002          * The only valid values are 0x0, 0x1 and 0x2 and writing
1003          * a value of 0x1 or 0x2 sets the value permanently.
1004          */
1005         if (argc != 3)
1006                 return CMD_RET_USAGE;
1007
1008         dev = dectoul(argv[1], NULL);
1009         enable = dectoul(argv[2], NULL);
1010
1011         if (enable > 2) {
1012                 puts("Invalid RST_n_ENABLE value\n");
1013                 return CMD_RET_USAGE;
1014         }
1015
1016         mmc = init_mmc_device(dev, false);
1017         if (!mmc)
1018                 return CMD_RET_FAILURE;
1019
1020         if (IS_SD(mmc)) {
1021                 puts("RST_n_FUNCTION only exists on eMMC\n");
1022                 return CMD_RET_FAILURE;
1023         }
1024
1025         ret = mmc_set_rst_n_function(mmc, enable);
1026         if (ret != 0)
1027                 return CMD_RET_FAILURE;
1028
1029         return CMD_RET_SUCCESS;
1030 }
1031 #endif
1032 static int do_mmc_setdsr(struct cmd_tbl *cmdtp, int flag,
1033                          int argc, char *const argv[])
1034 {
1035         struct mmc *mmc;
1036         u32 val;
1037         int ret;
1038
1039         if (argc != 2)
1040                 return CMD_RET_USAGE;
1041         val = hextoul(argv[1], NULL);
1042
1043         mmc = find_mmc_device(curr_device);
1044         if (!mmc) {
1045                 printf("no mmc device at slot %x\n", curr_device);
1046                 return CMD_RET_FAILURE;
1047         }
1048         ret = mmc_set_dsr(mmc, val);
1049         printf("set dsr %s\n", (!ret) ? "OK, force rescan" : "ERROR");
1050         if (!ret) {
1051                 mmc->has_init = 0;
1052                 if (mmc_init(mmc))
1053                         return CMD_RET_FAILURE;
1054                 else
1055                         return CMD_RET_SUCCESS;
1056         }
1057         return ret;
1058 }
1059
1060 #ifdef CONFIG_CMD_BKOPS_ENABLE
1061 static int mmc_bkops_common(char *device, bool autobkops, bool enable)
1062 {
1063         struct mmc *mmc;
1064         int dev;
1065
1066         dev = dectoul(device, NULL);
1067
1068         mmc = init_mmc_device(dev, false);
1069         if (!mmc)
1070                 return CMD_RET_FAILURE;
1071
1072         if (IS_SD(mmc)) {
1073                 puts("BKOPS_EN only exists on eMMC\n");
1074                 return CMD_RET_FAILURE;
1075         }
1076
1077         return mmc_set_bkops_enable(mmc, autobkops, enable);
1078 }
1079
1080 static int do_mmc_bkops(struct cmd_tbl *cmdtp, int flag,
1081                         int argc, char * const argv[])
1082 {
1083         bool autobkops, enable;
1084
1085         if (argc != 4)
1086                 return CMD_RET_USAGE;
1087
1088         if (!strcmp(argv[2], "manual"))
1089                 autobkops = false;
1090         else if (!strcmp(argv[2], "auto"))
1091                 autobkops = true;
1092         else
1093                 return CMD_RET_FAILURE;
1094
1095         if (!strcmp(argv[3], "disable"))
1096                 enable = false;
1097         else if (!strcmp(argv[3], "enable"))
1098                 enable = true;
1099         else
1100                 return CMD_RET_FAILURE;
1101
1102         return mmc_bkops_common(argv[1], autobkops, enable);
1103 }
1104
1105 static int do_mmc_bkops_enable(struct cmd_tbl *cmdtp, int flag,
1106                                int argc, char * const argv[])
1107 {
1108         if (argc != 2)
1109                 return CMD_RET_USAGE;
1110
1111         return mmc_bkops_common(argv[1], false, true);
1112 }
1113 #endif
1114
1115 static int do_mmc_boot_wp(struct cmd_tbl *cmdtp, int flag,
1116                           int argc, char * const argv[])
1117 {
1118         int err;
1119         struct mmc *mmc;
1120         int part;
1121
1122         mmc = init_mmc_device(curr_device, false);
1123         if (!mmc)
1124                 return CMD_RET_FAILURE;
1125         if (IS_SD(mmc)) {
1126                 printf("It is not an eMMC device\n");
1127                 return CMD_RET_FAILURE;
1128         }
1129
1130         if (argc == 2) {
1131                 part = dectoul(argv[1], NULL);
1132                 err = mmc_boot_wp_single_partition(mmc, part);
1133         } else {
1134                 err = mmc_boot_wp(mmc);
1135         }
1136
1137         if (err)
1138                 return CMD_RET_FAILURE;
1139         printf("boot areas protected\n");
1140         return CMD_RET_SUCCESS;
1141 }
1142
1143 #if CONFIG_IS_ENABLED(CMD_MMC_REG)
1144 static int do_mmc_reg(struct cmd_tbl *cmdtp, int flag,
1145                       int argc, char *const argv[])
1146 {
1147         ALLOC_CACHE_ALIGN_BUFFER(u8, ext_csd, MMC_MAX_BLOCK_LEN);
1148         struct mmc *mmc;
1149         int i, ret;
1150         u32 off;
1151
1152         if (argc < 3 || argc > 5)
1153                 return CMD_RET_USAGE;
1154
1155         mmc = find_mmc_device(curr_device);
1156         if (!mmc) {
1157                 printf("no mmc device at slot %x\n", curr_device);
1158                 return CMD_RET_FAILURE;
1159         }
1160
1161         if (IS_SD(mmc)) {
1162                 printf("SD registers are not supported\n");
1163                 return CMD_RET_FAILURE;
1164         }
1165
1166         off = simple_strtoul(argv[3], NULL, 10);
1167         if (!strcmp(argv[2], "cid")) {
1168                 if (off > 3)
1169                         return CMD_RET_USAGE;
1170                 printf("CID[%i]: 0x%08x\n", off, mmc->cid[off]);
1171                 if (argv[4])
1172                         env_set_hex(argv[4], mmc->cid[off]);
1173                 return CMD_RET_SUCCESS;
1174         }
1175         if (!strcmp(argv[2], "csd")) {
1176                 if (off > 3)
1177                         return CMD_RET_USAGE;
1178                 printf("CSD[%i]: 0x%08x\n", off, mmc->csd[off]);
1179                 if (argv[4])
1180                         env_set_hex(argv[4], mmc->csd[off]);
1181                 return CMD_RET_SUCCESS;
1182         }
1183         if (!strcmp(argv[2], "dsr")) {
1184                 printf("DSR: 0x%08x\n", mmc->dsr);
1185                 if (argv[4])
1186                         env_set_hex(argv[4], mmc->dsr);
1187                 return CMD_RET_SUCCESS;
1188         }
1189         if (!strcmp(argv[2], "ocr")) {
1190                 printf("OCR: 0x%08x\n", mmc->ocr);
1191                 if (argv[4])
1192                         env_set_hex(argv[4], mmc->ocr);
1193                 return CMD_RET_SUCCESS;
1194         }
1195         if (!strcmp(argv[2], "rca")) {
1196                 printf("RCA: 0x%08x\n", mmc->rca);
1197                 if (argv[4])
1198                         env_set_hex(argv[4], mmc->rca);
1199                 return CMD_RET_SUCCESS;
1200         }
1201         if (!strcmp(argv[2], "extcsd") &&
1202             mmc->version >= MMC_VERSION_4_41) {
1203                 ret = mmc_send_ext_csd(mmc, ext_csd);
1204                 if (ret)
1205                         return CMD_RET_FAILURE;
1206                 if (!strcmp(argv[3], "all")) {
1207                         /* Dump the entire register */
1208                         printf("EXT_CSD:");
1209                         for (i = 0; i < MMC_MAX_BLOCK_LEN; i++) {
1210                                 if (!(i % 10))
1211                                         printf("\n%03i: ", i);
1212                                 printf(" %02x", ext_csd[i]);
1213                         }
1214                         printf("\n");
1215                         return CMD_RET_SUCCESS;
1216                 }
1217                 off = simple_strtoul(argv[3], NULL, 10);
1218                 if (off > 512)
1219                         return CMD_RET_USAGE;
1220                 printf("EXT_CSD[%i]: 0x%02x\n", off, ext_csd[off]);
1221                 if (argv[4])
1222                         env_set_hex(argv[4], ext_csd[off]);
1223                 return CMD_RET_SUCCESS;
1224         }
1225
1226         return CMD_RET_FAILURE;
1227 }
1228 #endif
1229
1230 static struct cmd_tbl cmd_mmc[] = {
1231         U_BOOT_CMD_MKENT(info, 1, 0, do_mmcinfo, "", ""),
1232         U_BOOT_CMD_MKENT(read, 4, 1, do_mmc_read, "", ""),
1233         U_BOOT_CMD_MKENT(wp, 2, 0, do_mmc_boot_wp, "", ""),
1234 #if CONFIG_IS_ENABLED(MMC_WRITE)
1235         U_BOOT_CMD_MKENT(write, 4, 0, do_mmc_write, "", ""),
1236         U_BOOT_CMD_MKENT(erase, 3, 0, do_mmc_erase, "", ""),
1237 #endif
1238 #if CONFIG_IS_ENABLED(CMD_MMC_SWRITE)
1239         U_BOOT_CMD_MKENT(swrite, 3, 0, do_mmc_sparse_write, "", ""),
1240 #endif
1241         U_BOOT_CMD_MKENT(rescan, 2, 1, do_mmc_rescan, "", ""),
1242         U_BOOT_CMD_MKENT(part, 1, 1, do_mmc_part, "", ""),
1243         U_BOOT_CMD_MKENT(dev, 4, 0, do_mmc_dev, "", ""),
1244         U_BOOT_CMD_MKENT(list, 1, 1, do_mmc_list, "", ""),
1245 #if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
1246         U_BOOT_CMD_MKENT(hwpartition, 28, 0, do_mmc_hwpartition, "", ""),
1247 #endif
1248 #ifdef CONFIG_SUPPORT_EMMC_BOOT
1249         U_BOOT_CMD_MKENT(bootbus, 5, 0, do_mmc_bootbus, "", ""),
1250         U_BOOT_CMD_MKENT(bootpart-resize, 4, 0, do_mmc_boot_resize, "", ""),
1251         U_BOOT_CMD_MKENT(partconf, 5, 0, do_mmc_partconf, "", ""),
1252         U_BOOT_CMD_MKENT(rst-function, 3, 0, do_mmc_rst_func, "", ""),
1253 #endif
1254 #if CONFIG_IS_ENABLED(CMD_MMC_RPMB)
1255         U_BOOT_CMD_MKENT(rpmb, CONFIG_SYS_MAXARGS, 1, do_mmcrpmb, "", ""),
1256 #endif
1257         U_BOOT_CMD_MKENT(setdsr, 2, 0, do_mmc_setdsr, "", ""),
1258 #ifdef CONFIG_CMD_BKOPS_ENABLE
1259         U_BOOT_CMD_MKENT(bkops-enable, 2, 0, do_mmc_bkops_enable, "", ""),
1260         U_BOOT_CMD_MKENT(bkops, 4, 0, do_mmc_bkops, "", ""),
1261 #endif
1262 #if CONFIG_IS_ENABLED(CMD_MMC_REG)
1263         U_BOOT_CMD_MKENT(reg, 5, 0, do_mmc_reg, "", ""),
1264 #endif
1265 };
1266
1267 static int do_mmcops(struct cmd_tbl *cmdtp, int flag, int argc,
1268                      char *const argv[])
1269 {
1270         struct cmd_tbl *cp;
1271
1272         cp = find_cmd_tbl(argv[1], cmd_mmc, ARRAY_SIZE(cmd_mmc));
1273
1274         /* Drop the mmc command */
1275         argc--;
1276         argv++;
1277
1278         if (cp == NULL || argc > cp->maxargs)
1279                 return CMD_RET_USAGE;
1280         if (flag == CMD_FLAG_REPEAT && !cmd_is_repeatable(cp))
1281                 return CMD_RET_SUCCESS;
1282
1283         if (curr_device < 0) {
1284                 if (get_mmc_num() > 0) {
1285                         curr_device = 0;
1286                 } else {
1287                         puts("No MMC device available\n");
1288                         return CMD_RET_FAILURE;
1289                 }
1290         }
1291         return cp->cmd(cmdtp, flag, argc, argv);
1292 }
1293
1294 U_BOOT_CMD(
1295         mmc, 29, 1, do_mmcops,
1296         "MMC sub system",
1297         "info - display info of the current MMC device\n"
1298         "mmc read addr blk# cnt\n"
1299         "mmc write addr blk# cnt\n"
1300 #if CONFIG_IS_ENABLED(CMD_MMC_SWRITE)
1301         "mmc swrite addr blk#\n"
1302 #endif
1303         "mmc erase blk# cnt\n"
1304         "mmc erase partname\n"
1305         "mmc rescan [mode]\n"
1306         "mmc part - lists available partition on current mmc device\n"
1307         "mmc dev [dev] [part] [mode] - show or set current mmc device [partition] and set mode\n"
1308         "  - the required speed mode is passed as the index from the following list\n"
1309         "    [MMC_LEGACY, MMC_HS, SD_HS, MMC_HS_52, MMC_DDR_52, UHS_SDR12, UHS_SDR25,\n"
1310         "    UHS_SDR50, UHS_DDR50, UHS_SDR104, MMC_HS_200, MMC_HS_400, MMC_HS_400_ES]\n"
1311         "mmc list - lists available devices\n"
1312         "mmc wp [PART] - power on write protect boot partitions\n"
1313         "  arguments:\n"
1314         "   PART - [0|1]\n"
1315         "       : 0 - first boot partition, 1 - second boot partition\n"
1316         "         if not assigned, write protect all boot partitions\n"
1317 #if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
1318         "mmc hwpartition <USER> <GP> <MODE> - does hardware partitioning\n"
1319         "  arguments (sizes in 512-byte blocks):\n"
1320         "   USER - <user> <enh> <start> <cnt> <wrrel> <{on|off}>\n"
1321         "       : sets user data area attributes\n"
1322         "   GP - <{gp1|gp2|gp3|gp4}> <cnt> <enh> <wrrel> <{on|off}>\n"
1323         "       : general purpose partition\n"
1324         "   MODE - <{check|set|complete}>\n"
1325         "       : mode, complete set partitioning completed\n"
1326         "  WARNING: Partitioning is a write-once setting once it is set to complete.\n"
1327         "  Power cycling is required to initialize partitions after set to complete.\n"
1328 #endif
1329 #ifdef CONFIG_SUPPORT_EMMC_BOOT
1330         "mmc bootbus <dev> <boot_bus_width> <reset_boot_bus_width> <boot_mode>\n"
1331         " - Set the BOOT_BUS_WIDTH field of the specified device\n"
1332         "mmc bootpart-resize <dev> <boot part size MB> <RPMB part size MB>\n"
1333         " - Change sizes of boot and RPMB partitions of specified device\n"
1334         "mmc partconf <dev> [[varname] | [<boot_ack> <boot_partition> <partition_access>]]\n"
1335         " - Show or change the bits of the PARTITION_CONFIG field of the specified device\n"
1336         "   If showing the bits, optionally store the boot_partition field into varname\n"
1337         "mmc rst-function <dev> <value>\n"
1338         " - Change the RST_n_FUNCTION field of the specified device\n"
1339         "   WARNING: This is a write-once field and 0 / 1 / 2 are the only valid values.\n"
1340 #endif
1341 #if CONFIG_IS_ENABLED(CMD_MMC_RPMB)
1342         "mmc rpmb read addr blk# cnt [address of auth-key] - block size is 256 bytes\n"
1343         "mmc rpmb write addr blk# cnt <address of auth-key> - block size is 256 bytes\n"
1344         "mmc rpmb key <address of auth-key> - program the RPMB authentication key.\n"
1345         "mmc rpmb counter - read the value of the write counter\n"
1346 #endif
1347         "mmc setdsr <value> - set DSR register value\n"
1348 #ifdef CONFIG_CMD_BKOPS_ENABLE
1349         "mmc bkops-enable <dev> - enable background operations handshake on device\n"
1350         "   WARNING: This is a write-once setting.\n"
1351         "mmc bkops <dev> [auto|manual] [enable|disable]\n"
1352         " - configure background operations handshake on device\n"
1353 #endif
1354 #if CONFIG_IS_ENABLED(CMD_MMC_REG)
1355         "mmc reg read <reg> <offset> [env] - read card register <reg> offset <offset>\n"
1356         "                                    (optionally into [env] variable)\n"
1357         " - reg: cid/csd/dsr/ocr/rca/extcsd\n"
1358         " - offset: for cid/csd [0..3], for extcsd [0..511,all]\n"
1359 #endif
1360         );
1361
1362 /* Old command kept for compatibility. Same as 'mmc info' */
1363 U_BOOT_CMD(
1364         mmcinfo, 1, 0, do_mmcinfo,
1365         "display MMC info",
1366         "- display info of the current MMC device"
1367 );