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