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 (!mmc_getcd(mmc))
 105                 force_init = true;
 106
 107         if (force_init)
 108                 mmc->has_init = 0;
 109         if (mmc_init(mmc))
 110                 return NULL;
 111
 112 #ifdef CONFIG_BLOCK_CACHE
 113         struct blk_desc *bd = mmc_get_blk_desc(mmc);
 114         blkcache_invalidate(bd->if_type, bd->devnum);
 115 #endif
 116
 117         return mmc;
 118 }
 119 static int do_mmcinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 120 {
 121         struct mmc *mmc;
 122
 123         if (curr_device < 0) {
 124                 if (get_mmc_num() > 0)
 125                         curr_device = 0;
 126                 else {
 127                         puts("No MMC device available\n");
 128                         return 1;
 129                 }
 130         }
 131
 132         mmc = init_mmc_device(curr_device, false);
 133         if (!mmc)
 134                 return CMD_RET_FAILURE;
 135
 136         print_mmcinfo(mmc);
 137         return CMD_RET_SUCCESS;
 138 }
 139
 140 #if CONFIG_IS_ENABLED(CMD_MMC_RPMB)
 141 static int confirm_key_prog(void)
 142 {
 143         puts("Warning: Programming authentication key can be done only once !\n"
 144              "         Use this command only if you are sure of what you are doing,\n"
 145              "Really perform the key programming? <y/N> ");
 146         if (confirm_yesno())
 147                 return 1;
 148
 149         puts("Authentication key programming aborted\n");
 150         return 0;
 151 }
 152 static int do_mmcrpmb_key(cmd_tbl_t *cmdtp, int flag,
 153                           int argc, char * const argv[])
 154 {
 155         void *key_addr;
 156         struct mmc *mmc = find_mmc_device(curr_device);
 157
 158         if (argc != 2)
 159                 return CMD_RET_USAGE;
 160
 161         key_addr = (void *)simple_strtoul(argv[1], NULL, 16);
 162         if (!confirm_key_prog())
 163                 return CMD_RET_FAILURE;
 164         if (mmc_rpmb_set_key(mmc, key_addr)) {
 165                 printf("ERROR - Key already programmed ?\n");
 166                 return CMD_RET_FAILURE;
 167         }
 168         return CMD_RET_SUCCESS;
 169 }
 170 static int do_mmcrpmb_read(cmd_tbl_t *cmdtp, int flag,
 171                            int argc, char * const argv[])
 172 {
 173         u16 blk, cnt;
 174         void *addr;
 175         int n;
 176         void *key_addr = NULL;
 177         struct mmc *mmc = find_mmc_device(curr_device);
 178
 179         if (argc < 4)
 180                 return CMD_RET_USAGE;
 181
 182         addr = (void *)simple_strtoul(argv[1], NULL, 16);
 183         blk = simple_strtoul(argv[2], NULL, 16);
 184         cnt = simple_strtoul(argv[3], NULL, 16);
 185
 186         if (argc == 5)
 187                 key_addr = (void *)simple_strtoul(argv[4], NULL, 16);
 188
 189         printf("\nMMC RPMB read: dev # %d, block # %d, count %d ... ",
 190                curr_device, blk, cnt);
 191         n =  mmc_rpmb_read(mmc, addr, blk, cnt, key_addr);
 192
 193         printf("%d RPMB blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");
 194         if (n != cnt)
 195                 return CMD_RET_FAILURE;
 196         return CMD_RET_SUCCESS;
 197 }
 198 static int do_mmcrpmb_write(cmd_tbl_t *cmdtp, int flag,
 199                             int argc, char * const argv[])
 200 {
 201         u16 blk, cnt;
 202         void *addr;
 203         int n;
 204         void *key_addr;
 205         struct mmc *mmc = find_mmc_device(curr_device);
 206
 207         if (argc != 5)
 208                 return CMD_RET_USAGE;
 209
 210         addr = (void *)simple_strtoul(argv[1], NULL, 16);
 211         blk = simple_strtoul(argv[2], NULL, 16);
 212         cnt = simple_strtoul(argv[3], NULL, 16);
 213         key_addr = (void *)simple_strtoul(argv[4], NULL, 16);
 214
 215         printf("\nMMC RPMB write: dev # %d, block # %d, count %d ... ",
 216                curr_device, blk, cnt);
 217         n =  mmc_rpmb_write(mmc, addr, blk, cnt, key_addr);
 218
 219         printf("%d RPMB blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");
 220         if (n != cnt)
 221                 return CMD_RET_FAILURE;
 222         return CMD_RET_SUCCESS;
 223 }
 224 static int do_mmcrpmb_counter(cmd_tbl_t *cmdtp, int flag,
 225                               int argc, char * const argv[])
 226 {
 227         unsigned long counter;
 228         struct mmc *mmc = find_mmc_device(curr_device);
 229
 230         if (mmc_rpmb_get_counter(mmc, &counter))
 231                 return CMD_RET_FAILURE;
 232         printf("RPMB Write counter= %lx\n", counter);
 233         return CMD_RET_SUCCESS;
 234 }
 235
 236 static cmd_tbl_t cmd_rpmb[] = {
 237         U_BOOT_CMD_MKENT(key, 2, 0, do_mmcrpmb_key, "", ""),
 238         U_BOOT_CMD_MKENT(read, 5, 1, do_mmcrpmb_read, "", ""),
 239         U_BOOT_CMD_MKENT(write, 5, 0, do_mmcrpmb_write, "", ""),
 240         U_BOOT_CMD_MKENT(counter, 1, 1, do_mmcrpmb_counter, "", ""),
 241 };
 242
 243 static int do_mmcrpmb(cmd_tbl_t *cmdtp, int flag,
 244                       int argc, char * const argv[])
 245 {
 246         cmd_tbl_t *cp;
 247         struct mmc *mmc;
 248         char original_part;
 249         int ret;
 250
 251         cp = find_cmd_tbl(argv[1], cmd_rpmb, ARRAY_SIZE(cmd_rpmb));
 252
 253         /* Drop the rpmb subcommand */
 254         argc--;
 255         argv++;
 256
 257         if (cp == NULL || argc > cp->maxargs)
 258                 return CMD_RET_USAGE;
 259         if (flag == CMD_FLAG_REPEAT && !cmd_is_repeatable(cp))
 260                 return CMD_RET_SUCCESS;
 261
 262         mmc = init_mmc_device(curr_device, false);
 263         if (!mmc)
 264                 return CMD_RET_FAILURE;
 265
 266         if (!(mmc->version & MMC_VERSION_MMC)) {
 267                 printf("It is not a EMMC device\n");
 268                 return CMD_RET_FAILURE;
 269         }
 270         if (mmc->version < MMC_VERSION_4_41) {
 271                 printf("RPMB not supported before version 4.41\n");
 272                 return CMD_RET_FAILURE;
 273         }
 274         /* Switch to the RPMB partition */
 275 #ifndef CONFIG_BLK
 276         original_part = mmc->block_dev.hwpart;
 277 #else
 278         original_part = mmc_get_blk_desc(mmc)->hwpart;
 279 #endif
 280         if (blk_select_hwpart_devnum(IF_TYPE_MMC, curr_device, MMC_PART_RPMB) !=
 281             0)
 282                 return CMD_RET_FAILURE;
 283         ret = cp->cmd(cmdtp, flag, argc, argv);
 284
 285         /* Return to original partition */
 286         if (blk_select_hwpart_devnum(IF_TYPE_MMC, curr_device, original_part) !=
 287             0)
 288                 return CMD_RET_FAILURE;
 289         return ret;
 290 }
 291 #endif
 292
 293 static int do_mmc_read(cmd_tbl_t *cmdtp, int flag,
 294                        int argc, char * const argv[])
 295 {
 296         struct mmc *mmc;
 297         u32 blk, cnt, n;
 298         void *addr;
 299
 300         if (argc != 4)
 301                 return CMD_RET_USAGE;
 302
 303         addr = (void *)simple_strtoul(argv[1], NULL, 16);
 304         blk = simple_strtoul(argv[2], NULL, 16);
 305         cnt = simple_strtoul(argv[3], NULL, 16);
 306
 307         mmc = init_mmc_device(curr_device, false);
 308         if (!mmc)
 309                 return CMD_RET_FAILURE;
 310
 311         printf("\nMMC read: dev # %d, block # %d, count %d ... ",
 312                curr_device, blk, cnt);
 313
 314         n = blk_dread(mmc_get_blk_desc(mmc), blk, cnt, addr);
 315         printf("%d blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");
 316
 317         return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
 318 }
 319
 320 #if CONFIG_IS_ENABLED(CMD_MMC_SWRITE)
 321 static lbaint_t mmc_sparse_write(struct sparse_storage *info, lbaint_t blk,
 322                                  lbaint_t blkcnt, const void *buffer)
 323 {
 324         struct blk_desc *dev_desc = info->priv;
 325
 326         return blk_dwrite(dev_desc, blk, blkcnt, buffer);
 327 }
 328
 329 static lbaint_t mmc_sparse_reserve(struct sparse_storage *info,
 330                                    lbaint_t blk, lbaint_t blkcnt)
 331 {
 332         return blkcnt;
 333 }
 334
 335 static int do_mmc_sparse_write(cmd_tbl_t *cmdtp, int flag,
 336                                int argc, char * const argv[])
 337 {
 338         struct sparse_storage sparse;
 339         struct blk_desc *dev_desc;
 340         struct mmc *mmc;
 341         char dest[11];
 342         void *addr;
 343         u32 blk;
 344
 345         if (argc != 3)
 346                 return CMD_RET_USAGE;
 347
 348         addr = (void *)simple_strtoul(argv[1], NULL, 16);
 349         blk = simple_strtoul(argv[2], NULL, 16);
 350
 351         if (!is_sparse_image(addr)) {
 352                 printf("Not a sparse image\n");
 353                 return CMD_RET_FAILURE;
 354         }
 355
 356         mmc = init_mmc_device(curr_device, false);
 357         if (!mmc)
 358                 return CMD_RET_FAILURE;
 359
 360         printf("\nMMC Sparse write: dev # %d, block # %d ... ",
 361                curr_device, blk);
 362
 363         if (mmc_getwp(mmc) == 1) {
 364                 printf("Error: card is write protected!\n");
 365                 return CMD_RET_FAILURE;
 366         }
 367
 368         dev_desc = mmc_get_blk_desc(mmc);
 369         sparse.priv = dev_desc;
 370         sparse.blksz = 512;
 371         sparse.start = blk;
 372         sparse.size = dev_desc->lba - blk;
 373         sparse.write = mmc_sparse_write;
 374         sparse.reserve = mmc_sparse_reserve;
 375         sparse.mssg = NULL;
 376         sprintf(dest, "0x" LBAF, sparse.start * sparse.blksz);
 377
 378         if (write_sparse_image(&sparse, dest, addr, NULL))
 379                 return CMD_RET_FAILURE;
 380         else
 381                 return CMD_RET_SUCCESS;
 382 }
 383 #endif
 384
 385 #if CONFIG_IS_ENABLED(MMC_WRITE)
 386 static int do_mmc_write(cmd_tbl_t *cmdtp, int flag,
 387                         int argc, char * const argv[])
 388 {
 389         struct mmc *mmc;
 390         u32 blk, cnt, n;
 391         void *addr;
 392
 393         if (argc != 4)
 394                 return CMD_RET_USAGE;
 395
 396         addr = (void *)simple_strtoul(argv[1], NULL, 16);
 397         blk = simple_strtoul(argv[2], NULL, 16);
 398         cnt = simple_strtoul(argv[3], NULL, 16);
 399
 400         mmc = init_mmc_device(curr_device, false);
 401         if (!mmc)
 402                 return CMD_RET_FAILURE;
 403
 404         printf("\nMMC write: dev # %d, block # %d, count %d ... ",
 405                curr_device, blk, cnt);
 406
 407         if (mmc_getwp(mmc) == 1) {
 408                 printf("Error: card is write protected!\n");
 409                 return CMD_RET_FAILURE;
 410         }
 411         n = blk_dwrite(mmc_get_blk_desc(mmc), blk, cnt, addr);
 412         printf("%d blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");
 413
 414         return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
 415 }
 416 static int do_mmc_erase(cmd_tbl_t *cmdtp, int flag,
 417                         int argc, char * const argv[])
 418 {
 419         struct mmc *mmc;
 420         u32 blk, cnt, n;
 421
 422         if (argc != 3)
 423                 return CMD_RET_USAGE;
 424
 425         blk = simple_strtoul(argv[1], NULL, 16);
 426         cnt = simple_strtoul(argv[2], NULL, 16);
 427
 428         mmc = init_mmc_device(curr_device, false);
 429         if (!mmc)
 430                 return CMD_RET_FAILURE;
 431
 432         printf("\nMMC erase: dev # %d, block # %d, count %d ... ",
 433                curr_device, blk, cnt);
 434
 435         if (mmc_getwp(mmc) == 1) {
 436                 printf("Error: card is write protected!\n");
 437                 return CMD_RET_FAILURE;
 438         }
 439         n = blk_derase(mmc_get_blk_desc(mmc), blk, cnt);
 440         printf("%d blocks erased: %s\n", n, (n == cnt) ? "OK" : "ERROR");
 441
 442         return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
 443 }
 444 #endif
 445
 446 static int do_mmc_rescan(cmd_tbl_t *cmdtp, int flag,
 447                          int argc, char * const argv[])
 448 {
 449         struct mmc *mmc;
 450
 451         mmc = init_mmc_device(curr_device, true);
 452         if (!mmc)
 453                 return CMD_RET_FAILURE;
 454
 455         return CMD_RET_SUCCESS;
 456 }
 457 static int do_mmc_part(cmd_tbl_t *cmdtp, int flag,
 458                        int argc, char * const argv[])
 459 {
 460         struct blk_desc *mmc_dev;
 461         struct mmc *mmc;
 462
 463         mmc = init_mmc_device(curr_device, false);
 464         if (!mmc)
 465                 return CMD_RET_FAILURE;
 466
 467         mmc_dev = blk_get_devnum_by_type(IF_TYPE_MMC, curr_device);
 468         if (mmc_dev != NULL && mmc_dev->type != DEV_TYPE_UNKNOWN) {
 469                 part_print(mmc_dev);
 470                 return CMD_RET_SUCCESS;
 471         }
 472
 473         puts("get mmc type error!\n");
 474         return CMD_RET_FAILURE;
 475 }
 476 static int do_mmc_dev(cmd_tbl_t *cmdtp, int flag,
 477                       int argc, char * const argv[])
 478 {
 479         int dev, part = 0, ret;
 480         struct mmc *mmc;
 481
 482         if (argc == 1) {
 483                 dev = curr_device;
 484         } else if (argc == 2) {
 485                 dev = simple_strtoul(argv[1], NULL, 10);
 486         } else if (argc == 3) {
 487                 dev = (int)simple_strtoul(argv[1], NULL, 10);
 488                 part = (int)simple_strtoul(argv[2], NULL, 10);
 489                 if (part > PART_ACCESS_MASK) {
 490                         printf("#part_num shouldn't be larger than %d\n",
 491                                PART_ACCESS_MASK);
 492                         return CMD_RET_FAILURE;
 493                 }
 494         } else {
 495                 return CMD_RET_USAGE;
 496         }
 497
 498         mmc = init_mmc_device(dev, true);
 499         if (!mmc)
 500                 return CMD_RET_FAILURE;
 501
 502         ret = blk_select_hwpart_devnum(IF_TYPE_MMC, dev, part);
 503         printf("switch to partitions #%d, %s\n",
 504                part, (!ret) ? "OK" : "ERROR");
 505         if (ret)
 506                 return 1;
 507
 508         curr_device = dev;
 509         if (mmc->part_config == MMCPART_NOAVAILABLE)
 510                 printf("mmc%d is current device\n", curr_device);
 511         else
 512                 printf("mmc%d(part %d) is current device\n",
 513                        curr_device, mmc_get_blk_desc(mmc)->hwpart);
 514
 515         return CMD_RET_SUCCESS;
 516 }
 517 static int do_mmc_list(cmd_tbl_t *cmdtp, int flag,
 518                        int argc, char * const argv[])
 519 {
 520         print_mmc_devices('\n');
 521         return CMD_RET_SUCCESS;
 522 }
 523
 524 #if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
 525 static int parse_hwpart_user(struct mmc_hwpart_conf *pconf,
 526                              int argc, char * const argv[])
 527 {
 528         int i = 0;
 529
 530         memset(&pconf->user, 0, sizeof(pconf->user));
 531
 532         while (i < argc) {
 533                 if (!strcmp(argv[i], "enh")) {
 534                         if (i + 2 >= argc)
 535                                 return -1;
 536                         pconf->user.enh_start =
 537                                 simple_strtoul(argv[i+1], NULL, 10);
 538                         pconf->user.enh_size =
 539                                 simple_strtoul(argv[i+2], NULL, 10);
 540                         i += 3;
 541                 } else if (!strcmp(argv[i], "wrrel")) {
 542                         if (i + 1 >= argc)
 543                                 return -1;
 544                         pconf->user.wr_rel_change = 1;
 545                         if (!strcmp(argv[i+1], "on"))
 546                                 pconf->user.wr_rel_set = 1;
 547                         else if (!strcmp(argv[i+1], "off"))
 548                                 pconf->user.wr_rel_set = 0;
 549                         else
 550                                 return -1;
 551                         i += 2;
 552                 } else {
 553                         break;
 554                 }
 555         }
 556         return i;
 557 }
 558
 559 static int parse_hwpart_gp(struct mmc_hwpart_conf *pconf, int pidx,
 560                            int argc, char * const argv[])
 561 {
 562         int i;
 563
 564         memset(&pconf->gp_part[pidx], 0, sizeof(pconf->gp_part[pidx]));
 565
 566         if (1 >= argc)
 567                 return -1;
 568         pconf->gp_part[pidx].size = simple_strtoul(argv[0], NULL, 10);
 569
 570         i = 1;
 571         while (i < argc) {
 572                 if (!strcmp(argv[i], "enh")) {
 573                         pconf->gp_part[pidx].enhanced = 1;
 574                         i += 1;
 575                 } else if (!strcmp(argv[i], "wrrel")) {
 576                         if (i + 1 >= argc)
 577                                 return -1;
 578                         pconf->gp_part[pidx].wr_rel_change = 1;
 579                         if (!strcmp(argv[i+1], "on"))
 580                                 pconf->gp_part[pidx].wr_rel_set = 1;
 581                         else if (!strcmp(argv[i+1], "off"))
 582                                 pconf->gp_part[pidx].wr_rel_set = 0;
 583                         else
 584                                 return -1;
 585                         i += 2;
 586                 } else {
 587                         break;
 588                 }
 589         }
 590         return i;
 591 }
 592
 593 static int do_mmc_hwpartition(cmd_tbl_t *cmdtp, int flag,
 594                               int argc, char * const argv[])
 595 {
 596         struct mmc *mmc;
 597         struct mmc_hwpart_conf pconf = { };
 598         enum mmc_hwpart_conf_mode mode = MMC_HWPART_CONF_CHECK;
 599         int i, r, pidx;
 600
 601         mmc = init_mmc_device(curr_device, false);
 602         if (!mmc)
 603                 return CMD_RET_FAILURE;
 604
 605         if (argc < 1)
 606                 return CMD_RET_USAGE;
 607         i = 1;
 608         while (i < argc) {
 609                 if (!strcmp(argv[i], "user")) {
 610                         i++;
 611                         r = parse_hwpart_user(&pconf, argc-i, &argv[i]);
 612                         if (r < 0)
 613                                 return CMD_RET_USAGE;
 614                         i += r;
 615                 } else if (!strncmp(argv[i], "gp", 2) &&
 616                            strlen(argv[i]) == 3 &&
 617                            argv[i][2] >= '1' && argv[i][2] <= '4') {
 618                         pidx = argv[i][2] - '1';
 619                         i++;
 620                         r = parse_hwpart_gp(&pconf, pidx, argc-i, &argv[i]);
 621                         if (r < 0)
 622                                 return CMD_RET_USAGE;
 623                         i += r;
 624                 } else if (!strcmp(argv[i], "check")) {
 625                         mode = MMC_HWPART_CONF_CHECK;
 626                         i++;
 627                 } else if (!strcmp(argv[i], "set")) {
 628                         mode = MMC_HWPART_CONF_SET;
 629                         i++;
 630                 } else if (!strcmp(argv[i], "complete")) {
 631                         mode = MMC_HWPART_CONF_COMPLETE;
 632                         i++;
 633                 } else {
 634                         return CMD_RET_USAGE;
 635                 }
 636         }
 637
 638         puts("Partition configuration:\n");
 639         if (pconf.user.enh_size) {
 640                 puts("\tUser Enhanced Start: ");
 641                 print_size(((u64)pconf.user.enh_start) << 9, "\n");
 642                 puts("\tUser Enhanced Size: ");
 643                 print_size(((u64)pconf.user.enh_size) << 9, "\n");
 644         } else {
 645                 puts("\tNo enhanced user data area\n");
 646         }
 647         if (pconf.user.wr_rel_change)
 648                 printf("\tUser partition write reliability: %s\n",
 649                        pconf.user.wr_rel_set ? "on" : "off");
 650         for (pidx = 0; pidx < 4; pidx++) {
 651                 if (pconf.gp_part[pidx].size) {
 652                         printf("\tGP%i Capacity: ", pidx+1);
 653                         print_size(((u64)pconf.gp_part[pidx].size) << 9,
 654                                    pconf.gp_part[pidx].enhanced ?
 655                                    " ENH\n" : "\n");
 656                 } else {
 657                         printf("\tNo GP%i partition\n", pidx+1);
 658                 }
 659                 if (pconf.gp_part[pidx].wr_rel_change)
 660                         printf("\tGP%i write reliability: %s\n", pidx+1,
 661                                pconf.gp_part[pidx].wr_rel_set ? "on" : "off");
 662         }
 663
 664         if (!mmc_hwpart_config(mmc, &pconf, mode)) {
 665                 if (mode == MMC_HWPART_CONF_COMPLETE)
 666                         puts("Partitioning successful, "
 667                              "power-cycle to make effective\n");
 668                 return CMD_RET_SUCCESS;
 669         } else {
 670                 puts("Failed!\n");
 671                 return CMD_RET_FAILURE;
 672         }
 673 }
 674 #endif
 675
 676 #ifdef CONFIG_SUPPORT_EMMC_BOOT
 677 static int do_mmc_bootbus(cmd_tbl_t *cmdtp, int flag,
 678                           int argc, char * const argv[])
 679 {
 680         int dev;
 681         struct mmc *mmc;
 682         u8 width, reset, mode;
 683
 684         if (argc != 5)
 685                 return CMD_RET_USAGE;
 686         dev = simple_strtoul(argv[1], NULL, 10);
 687         width = simple_strtoul(argv[2], NULL, 10);
 688         reset = simple_strtoul(argv[3], NULL, 10);
 689         mode = simple_strtoul(argv[4], NULL, 10);
 690
 691         mmc = init_mmc_device(dev, false);
 692         if (!mmc)
 693                 return CMD_RET_FAILURE;
 694
 695         if (IS_SD(mmc)) {
 696                 puts("BOOT_BUS_WIDTH only exists on eMMC\n");
 697                 return CMD_RET_FAILURE;
 698         }
 699
 700         /* acknowledge to be sent during boot operation */
 701         return mmc_set_boot_bus_width(mmc, width, reset, mode);
 702 }
 703 static int do_mmc_boot_resize(cmd_tbl_t *cmdtp, int flag,
 704                               int argc, char * const argv[])
 705 {
 706         int dev;
 707         struct mmc *mmc;
 708         u32 bootsize, rpmbsize;
 709
 710         if (argc != 4)
 711                 return CMD_RET_USAGE;
 712         dev = simple_strtoul(argv[1], NULL, 10);
 713         bootsize = simple_strtoul(argv[2], NULL, 10);
 714         rpmbsize = simple_strtoul(argv[3], NULL, 10);
 715
 716         mmc = init_mmc_device(dev, false);
 717         if (!mmc)
 718                 return CMD_RET_FAILURE;
 719
 720         if (IS_SD(mmc)) {
 721                 printf("It is not a EMMC device\n");
 722                 return CMD_RET_FAILURE;
 723         }
 724
 725         if (mmc_boot_partition_size_change(mmc, bootsize, rpmbsize)) {
 726                 printf("EMMC boot partition Size change Failed.\n");
 727                 return CMD_RET_FAILURE;
 728         }
 729
 730         printf("EMMC boot partition Size %d MB\n", bootsize);
 731         printf("EMMC RPMB partition Size %d MB\n", rpmbsize);
 732         return CMD_RET_SUCCESS;
 733 }
 734
 735 static int mmc_partconf_print(struct mmc *mmc)
 736 {
 737         u8 ack, access, part;
 738
 739         if (mmc->part_config == MMCPART_NOAVAILABLE) {
 740                 printf("No part_config info for ver. 0x%x\n", mmc->version);
 741                 return CMD_RET_FAILURE;
 742         }
 743
 744         access = EXT_CSD_EXTRACT_PARTITION_ACCESS(mmc->part_config);
 745         ack = EXT_CSD_EXTRACT_BOOT_ACK(mmc->part_config);
 746         part = EXT_CSD_EXTRACT_BOOT_PART(mmc->part_config);
 747
 748         printf("EXT_CSD[179], PARTITION_CONFIG:\n"
 749                 "BOOT_ACK: 0x%x\n"
 750                 "BOOT_PARTITION_ENABLE: 0x%x\n"
 751                 "PARTITION_ACCESS: 0x%x\n", ack, part, access);
 752
 753         return CMD_RET_SUCCESS;
 754 }
 755
 756 static int do_mmc_partconf(cmd_tbl_t *cmdtp, int flag,
 757                            int argc, char * const argv[])
 758 {
 759         int dev;
 760         struct mmc *mmc;
 761         u8 ack, part_num, access;
 762
 763         if (argc != 2 && argc != 5)
 764                 return CMD_RET_USAGE;
 765
 766         dev = simple_strtoul(argv[1], NULL, 10);
 767
 768         mmc = init_mmc_device(dev, false);
 769         if (!mmc)
 770                 return CMD_RET_FAILURE;
 771
 772         if (IS_SD(mmc)) {
 773                 puts("PARTITION_CONFIG only exists on eMMC\n");
 774                 return CMD_RET_FAILURE;
 775         }
 776
 777         if (argc == 2)
 778                 return mmc_partconf_print(mmc);
 779
 780         ack = simple_strtoul(argv[2], NULL, 10);
 781         part_num = simple_strtoul(argv[3], NULL, 10);
 782         access = simple_strtoul(argv[4], NULL, 10);
 783
 784         /* acknowledge to be sent during boot operation */
 785         return mmc_set_part_conf(mmc, ack, part_num, access);
 786 }
 787 static int do_mmc_rst_func(cmd_tbl_t *cmdtp, int flag,
 788                            int argc, char * const argv[])
 789 {
 790         int dev;
 791         struct mmc *mmc;
 792         u8 enable;
 793
 794         /*
 795          * Set the RST_n_ENABLE bit of RST_n_FUNCTION
 796          * The only valid values are 0x0, 0x1 and 0x2 and writing
 797          * a value of 0x1 or 0x2 sets the value permanently.
 798          */
 799         if (argc != 3)
 800                 return CMD_RET_USAGE;
 801
 802         dev = simple_strtoul(argv[1], NULL, 10);
 803         enable = simple_strtoul(argv[2], NULL, 10);
 804
 805         if (enable > 2) {
 806                 puts("Invalid RST_n_ENABLE value\n");
 807                 return CMD_RET_USAGE;
 808         }
 809
 810         mmc = init_mmc_device(dev, false);
 811         if (!mmc)
 812                 return CMD_RET_FAILURE;
 813
 814         if (IS_SD(mmc)) {
 815                 puts("RST_n_FUNCTION only exists on eMMC\n");
 816                 return CMD_RET_FAILURE;
 817         }
 818
 819         return mmc_set_rst_n_function(mmc, enable);
 820 }
 821 #endif
 822 static int do_mmc_setdsr(cmd_tbl_t *cmdtp, int flag,
 823                          int argc, char * const argv[])
 824 {
 825         struct mmc *mmc;
 826         u32 val;
 827         int ret;
 828
 829         if (argc != 2)
 830                 return CMD_RET_USAGE;
 831         val = simple_strtoul(argv[1], NULL, 16);
 832
 833         mmc = find_mmc_device(curr_device);
 834         if (!mmc) {
 835                 printf("no mmc device at slot %x\n", curr_device);
 836                 return CMD_RET_FAILURE;
 837         }
 838         ret = mmc_set_dsr(mmc, val);
 839         printf("set dsr %s\n", (!ret) ? "OK, force rescan" : "ERROR");
 840         if (!ret) {
 841                 mmc->has_init = 0;
 842                 if (mmc_init(mmc))
 843                         return CMD_RET_FAILURE;
 844                 else
 845                         return CMD_RET_SUCCESS;
 846         }
 847         return ret;
 848 }
 849
 850 #ifdef CONFIG_CMD_BKOPS_ENABLE
 851 static int do_mmc_bkops_enable(cmd_tbl_t *cmdtp, int flag,
 852                                    int argc, char * const argv[])
 853 {
 854         int dev;
 855         struct mmc *mmc;
 856
 857         if (argc != 2)
 858                 return CMD_RET_USAGE;
 859
 860         dev = simple_strtoul(argv[1], NULL, 10);
 861
 862         mmc = init_mmc_device(dev, false);
 863         if (!mmc)
 864                 return CMD_RET_FAILURE;
 865
 866         if (IS_SD(mmc)) {
 867                 puts("BKOPS_EN only exists on eMMC\n");
 868                 return CMD_RET_FAILURE;
 869         }
 870
 871         return mmc_set_bkops_enable(mmc);
 872 }
 873 #endif
 874
 875 static cmd_tbl_t cmd_mmc[] = {
 876         U_BOOT_CMD_MKENT(info, 1, 0, do_mmcinfo, "", ""),
 877         U_BOOT_CMD_MKENT(read, 4, 1, do_mmc_read, "", ""),
 878 #if CONFIG_IS_ENABLED(MMC_WRITE)
 879         U_BOOT_CMD_MKENT(write, 4, 0, do_mmc_write, "", ""),
 880         U_BOOT_CMD_MKENT(erase, 3, 0, do_mmc_erase, "", ""),
 881 #endif
 882 #if CONFIG_IS_ENABLED(CMD_MMC_SWRITE)
 883         U_BOOT_CMD_MKENT(swrite, 3, 0, do_mmc_sparse_write, "", ""),
 884 #endif
 885         U_BOOT_CMD_MKENT(rescan, 1, 1, do_mmc_rescan, "", ""),
 886         U_BOOT_CMD_MKENT(part, 1, 1, do_mmc_part, "", ""),
 887         U_BOOT_CMD_MKENT(dev, 3, 0, do_mmc_dev, "", ""),
 888         U_BOOT_CMD_MKENT(list, 1, 1, do_mmc_list, "", ""),
 889 #if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
 890         U_BOOT_CMD_MKENT(hwpartition, 28, 0, do_mmc_hwpartition, "", ""),
 891 #endif
 892 #ifdef CONFIG_SUPPORT_EMMC_BOOT
 893         U_BOOT_CMD_MKENT(bootbus, 5, 0, do_mmc_bootbus, "", ""),
 894         U_BOOT_CMD_MKENT(bootpart-resize, 4, 0, do_mmc_boot_resize, "", ""),
 895         U_BOOT_CMD_MKENT(partconf, 5, 0, do_mmc_partconf, "", ""),
 896         U_BOOT_CMD_MKENT(rst-function, 3, 0, do_mmc_rst_func, "", ""),
 897 #endif
 898 #if CONFIG_IS_ENABLED(CMD_MMC_RPMB)
 899         U_BOOT_CMD_MKENT(rpmb, CONFIG_SYS_MAXARGS, 1, do_mmcrpmb, "", ""),
 900 #endif
 901         U_BOOT_CMD_MKENT(setdsr, 2, 0, do_mmc_setdsr, "", ""),
 902 #ifdef CONFIG_CMD_BKOPS_ENABLE
 903         U_BOOT_CMD_MKENT(bkops-enable, 2, 0, do_mmc_bkops_enable, "", ""),
 904 #endif
 905 };
 906
 907 static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 908 {
 909         cmd_tbl_t *cp;
 910
 911         cp = find_cmd_tbl(argv[1], cmd_mmc, ARRAY_SIZE(cmd_mmc));
 912
 913         /* Drop the mmc command */
 914         argc--;
 915         argv++;
 916
 917         if (cp == NULL || argc > cp->maxargs)
 918                 return CMD_RET_USAGE;
 919         if (flag == CMD_FLAG_REPEAT && !cmd_is_repeatable(cp))
 920                 return CMD_RET_SUCCESS;
 921
 922         if (curr_device < 0) {
 923                 if (get_mmc_num() > 0) {
 924                         curr_device = 0;
 925                 } else {
 926                         puts("No MMC device available\n");
 927                         return CMD_RET_FAILURE;
 928                 }
 929         }
 930         return cp->cmd(cmdtp, flag, argc, argv);
 931 }
 932
 933 U_BOOT_CMD(
 934         mmc, 29, 1, do_mmcops,
 935         "MMC sub system",
 936         "info - display info of the current MMC device\n"
 937         "mmc read addr blk# cnt\n"
 938         "mmc write addr blk# cnt\n"
 939 #if CONFIG_IS_ENABLED(CMD_MMC_SWRITE)
 940         "mmc swrite addr blk#\n"
 941 #endif
 942         "mmc erase blk# cnt\n"
 943         "mmc rescan\n"
 944         "mmc part - lists available partition on current mmc device\n"
 945         "mmc dev [dev] [part] - show or set current mmc device [partition]\n"
 946         "mmc list - lists available devices\n"
 947 #if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
 948         "mmc hwpartition [args...] - does hardware partitioning\n"
 949         "  arguments (sizes in 512-byte blocks):\n"
 950         "    [user [enh start cnt] [wrrel {on|off}]] - sets user data area attributes\n"
 951         "    [gp1|gp2|gp3|gp4 cnt [enh] [wrrel {on|off}]] - general purpose partition\n"
 952         "    [check|set|complete] - mode, complete set partitioning completed\n"
 953         "  WARNING: Partitioning is a write-once setting once it is set to complete.\n"
 954         "  Power cycling is required to initialize partitions after set to complete.\n"
 955 #endif
 956 #ifdef CONFIG_SUPPORT_EMMC_BOOT
 957         "mmc bootbus dev boot_bus_width reset_boot_bus_width boot_mode\n"
 958         " - Set the BOOT_BUS_WIDTH field of the specified device\n"
 959         "mmc bootpart-resize <dev> <boot part size MB> <RPMB part size MB>\n"
 960         " - Change sizes of boot and RPMB partitions of specified device\n"
 961         "mmc partconf dev [boot_ack boot_partition partition_access]\n"
 962         " - Show or change the bits of the PARTITION_CONFIG field of the specified device\n"
 963         "mmc rst-function dev value\n"
 964         " - Change the RST_n_FUNCTION field of the specified device\n"
 965         "   WARNING: This is a write-once field and 0 / 1 / 2 are the only valid values.\n"
 966 #endif
 967 #if CONFIG_IS_ENABLED(CMD_MMC_RPMB)
 968         "mmc rpmb read addr blk# cnt [address of auth-key] - block size is 256 bytes\n"
 969         "mmc rpmb write addr blk# cnt <address of auth-key> - block size is 256 bytes\n"
 970         "mmc rpmb key <address of auth-key> - program the RPMB authentication key.\n"
 971         "mmc rpmb counter - read the value of the write counter\n"
 972 #endif
 973         "mmc setdsr <value> - set DSR register value\n"
 974 #ifdef CONFIG_CMD_BKOPS_ENABLE
 975         "mmc bkops-enable <dev> - enable background operations handshake on device\n"
 976         "   WARNING: This is a write-once setting.\n"
 977 #endif
 978         );
 979
 980 /* Old command kept for compatibility. Same as 'mmc info' */
 981 U_BOOT_CMD(
 982         mmcinfo, 1, 0, do_mmcinfo,
 983         "display MMC info",
 984         "- display info of the current MMC device"
 985 );