common/cmd_mmc.c

   1 /*
   2  * (C) Copyright 2003
   3  * Kyle Harris, kharris@nexus-tech.net
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9 #include <command.h>
  10 #include <mmc.h>
  11
  12 static int curr_device = -1;
  13 #ifndef CONFIG_GENERIC_MMC
  14 int do_mmc (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  15 {
  16         int dev;
  17
  18         if (argc < 2)
  19                 return CMD_RET_USAGE;
  20
  21         if (strcmp(argv[1], "init") == 0) {
  22                 if (argc == 2) {
  23                         if (curr_device < 0)
  24                                 dev = 1;
  25                         else
  26                                 dev = curr_device;
  27                 } else if (argc == 3) {
  28                         dev = (int)simple_strtoul(argv[2], NULL, 10);
  29                 } else {
  30                         return CMD_RET_USAGE;
  31                 }
  32
  33                 if (mmc_legacy_init(dev) != 0) {
  34                         puts("No MMC card found\n");
  35                         return 1;
  36                 }
  37
  38                 curr_device = dev;
  39                 printf("mmc%d is available\n", curr_device);
  40         } else if (strcmp(argv[1], "device") == 0) {
  41                 if (argc == 2) {
  42                         if (curr_device < 0) {
  43                                 puts("No MMC device available\n");
  44                                 return 1;
  45                         }
  46                 } else if (argc == 3) {
  47                         dev = (int)simple_strtoul(argv[2], NULL, 10);
  48
  49 #ifdef CONFIG_SYS_MMC_SET_DEV
  50                         if (mmc_set_dev(dev) != 0)
  51                                 return 1;
  52 #endif
  53                         curr_device = dev;
  54                 } else {
  55                         return CMD_RET_USAGE;
  56                 }
  57
  58                 printf("mmc%d is current device\n", curr_device);
  59         } else {
  60                 return CMD_RET_USAGE;
  61         }
  62
  63         return 0;
  64 }
  65
  66 U_BOOT_CMD(
  67         mmc, 3, 1, do_mmc,
  68         "MMC sub-system",
  69         "init [dev] - init MMC sub system\n"
  70         "mmc device [dev] - show or set current device"
  71 );
  72 #else /* !CONFIG_GENERIC_MMC */
  73
  74 enum mmc_state {
  75         MMC_INVALID,
  76         MMC_READ,
  77         MMC_WRITE,
  78         MMC_ERASE,
  79 };
  80 static void print_mmcinfo(struct mmc *mmc)
  81 {
  82         printf("Device: %s\n", mmc->name);
  83         printf("Manufacturer ID: %x\n", mmc->cid[0] >> 24);
  84         printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xffff);
  85         printf("Name: %c%c%c%c%c \n", mmc->cid[0] & 0xff,
  86                         (mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff,
  87                         (mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff);
  88
  89         printf("Tran Speed: %d\n", mmc->tran_speed);
  90         printf("Rd Block Len: %d\n", mmc->read_bl_len);
  91
  92         printf("%s version %d.%d\n", IS_SD(mmc) ? "SD" : "MMC",
  93                         (mmc->version >> 8) & 0xf, mmc->version & 0xff);
  94
  95         printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No");
  96         puts("Capacity: ");
  97         print_size(mmc->capacity, "\n");
  98
  99         printf("Bus Width: %d-bit\n", mmc->bus_width);
 100 }
 101
 102 static int do_mmcinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 103 {
 104         struct mmc *mmc;
 105
 106         if (curr_device < 0) {
 107                 if (get_mmc_num() > 0)
 108                         curr_device = 0;
 109                 else {
 110                         puts("No MMC device available\n");
 111                         return 1;
 112                 }
 113         }
 114
 115         mmc = find_mmc_device(curr_device);
 116
 117         if (mmc) {
 118                 mmc_init(mmc);
 119
 120                 print_mmcinfo(mmc);
 121                 return 0;
 122         } else {
 123                 printf("no mmc device at slot %x\n", curr_device);
 124                 return 1;
 125         }
 126 }
 127
 128 U_BOOT_CMD(
 129         mmcinfo, 1, 0, do_mmcinfo,
 130         "display MMC info",
 131         "- display info of the current MMC device"
 132 );
 133
 134 static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 135 {
 136         enum mmc_state state;
 137
 138         if (argc < 2)
 139                 return CMD_RET_USAGE;
 140
 141         if (curr_device < 0) {
 142                 if (get_mmc_num() > 0)
 143                         curr_device = 0;
 144                 else {
 145                         puts("No MMC device available\n");
 146                         return 1;
 147                 }
 148         }
 149
 150         if (strcmp(argv[1], "rescan") == 0) {
 151                 struct mmc *mmc;
 152
 153                 if (argc != 2)
 154                         return CMD_RET_USAGE;
 155
 156                 mmc = find_mmc_device(curr_device);
 157                 if (!mmc) {
 158                         printf("no mmc device at slot %x\n", curr_device);
 159                         return 1;
 160                 }
 161
 162                 mmc->has_init = 0;
 163
 164                 if (mmc_init(mmc))
 165                         return 1;
 166                 else
 167                         return 0;
 168         } else if (strcmp(argv[1], "part") == 0) {
 169                 block_dev_desc_t *mmc_dev;
 170                 struct mmc *mmc;
 171
 172                 if (argc != 2)
 173                         return CMD_RET_USAGE;
 174
 175                 mmc = find_mmc_device(curr_device);
 176                 if (!mmc) {
 177                         printf("no mmc device at slot %x\n", curr_device);
 178                         return 1;
 179                 }
 180                 mmc_init(mmc);
 181                 mmc_dev = mmc_get_dev(curr_device);
 182                 if (mmc_dev != NULL &&
 183                                 mmc_dev->type != DEV_TYPE_UNKNOWN) {
 184                         print_part(mmc_dev);
 185                         return 0;
 186                 }
 187
 188                 puts("get mmc type error!\n");
 189                 return 1;
 190         } else if (strcmp(argv[1], "list") == 0) {
 191                 if (argc != 2)
 192                         return CMD_RET_USAGE;
 193                 print_mmc_devices('\n');
 194                 return 0;
 195         } else if (strcmp(argv[1], "dev") == 0) {
 196                 int dev, part = -1;
 197                 struct mmc *mmc;
 198
 199                 if (argc == 2)
 200                         dev = curr_device;
 201                 else if (argc == 3)
 202                         dev = simple_strtoul(argv[2], NULL, 10);
 203                 else if (argc == 4) {
 204                         dev = (int)simple_strtoul(argv[2], NULL, 10);
 205                         part = (int)simple_strtoul(argv[3], NULL, 10);
 206                         if (part > PART_ACCESS_MASK) {
 207                                 printf("#part_num shouldn't be larger"
 208                                         " than %d\n", PART_ACCESS_MASK);
 209                                 return 1;
 210                         }
 211                 } else
 212                         return CMD_RET_USAGE;
 213
 214                 mmc = find_mmc_device(dev);
 215                 if (!mmc) {
 216                         printf("no mmc device at slot %x\n", dev);
 217                         return 1;
 218                 }
 219
 220                 mmc_init(mmc);
 221                 if (part != -1) {
 222                         int ret;
 223                         if (mmc->part_config == MMCPART_NOAVAILABLE) {
 224                                 printf("Card doesn't support part_switch\n");
 225                                 return 1;
 226                         }
 227
 228                         if (part != mmc->part_num) {
 229                                 ret = mmc_switch_part(dev, part);
 230                                 if (!ret)
 231                                         mmc->part_num = part;
 232
 233                                 printf("switch to partitions #%d, %s\n",
 234                                                 part, (!ret) ? "OK" : "ERROR");
 235                         }
 236                 }
 237                 curr_device = dev;
 238                 if (mmc->part_config == MMCPART_NOAVAILABLE)
 239                         printf("mmc%d is current device\n", curr_device);
 240                 else
 241                         printf("mmc%d(part %d) is current device\n",
 242                                 curr_device, mmc->part_num);
 243
 244                 return 0;
 245 #ifdef CONFIG_SUPPORT_EMMC_BOOT
 246         } else if (strcmp(argv[1], "partconf") == 0) {
 247                 int dev;
 248                 struct mmc *mmc;
 249                 u8 ack, part_num, access;
 250
 251                 if (argc == 6) {
 252                         dev = simple_strtoul(argv[2], NULL, 10);
 253                         ack = simple_strtoul(argv[3], NULL, 10);
 254                         part_num = simple_strtoul(argv[4], NULL, 10);
 255                         access = simple_strtoul(argv[5], NULL, 10);
 256                 } else {
 257                         return CMD_RET_USAGE;
 258                 }
 259
 260                 mmc = find_mmc_device(dev);
 261                 if (!mmc) {
 262                         printf("no mmc device at slot %x\n", dev);
 263                         return 1;
 264                 }
 265
 266                 if (IS_SD(mmc)) {
 267                         puts("PARTITION_CONFIG only exists on eMMC\n");
 268                         return 1;
 269                 }
 270
 271                 /* acknowledge to be sent during boot operation */
 272                 return mmc_set_part_conf(mmc, ack, part_num, access);
 273         } else if (strcmp(argv[1], "bootbus") == 0) {
 274                 int dev;
 275                 struct mmc *mmc;
 276                 u8 width, reset, mode;
 277
 278                 if (argc == 6) {
 279                         dev = simple_strtoul(argv[2], NULL, 10);
 280                         width = simple_strtoul(argv[3], NULL, 10);
 281                         reset = simple_strtoul(argv[4], NULL, 10);
 282                         mode = simple_strtoul(argv[5], NULL, 10);
 283                 } else {
 284                         return CMD_RET_USAGE;
 285                 }
 286
 287                 mmc = find_mmc_device(dev);
 288                 if (!mmc) {
 289                         printf("no mmc device at slot %x\n", dev);
 290                         return 1;
 291                 }
 292
 293                 if (IS_SD(mmc)) {
 294                         puts("BOOT_BUS_WIDTH only exists on eMMC\n");
 295                         return 1;
 296                 }
 297
 298                 /* acknowledge to be sent during boot operation */
 299                 return mmc_set_boot_bus_width(mmc, width, reset, mode);
 300         } else if (strcmp(argv[1], "bootpart-resize") == 0) {
 301                 int dev;
 302                 struct mmc *mmc;
 303                 u32 bootsize, rpmbsize;
 304
 305                 if (argc == 5) {
 306                         dev = simple_strtoul(argv[2], NULL, 10);
 307                         bootsize = simple_strtoul(argv[3], NULL, 10);
 308                         rpmbsize = simple_strtoul(argv[4], NULL, 10);
 309                 } else {
 310                         return CMD_RET_USAGE;
 311                 }
 312
 313                 mmc = find_mmc_device(dev);
 314                 if (!mmc) {
 315                         printf("no mmc device at slot %x\n", dev);
 316                         return 1;
 317                 }
 318
 319                 if (IS_SD(mmc)) {
 320                         printf("It is not a EMMC device\n");
 321                         return 1;
 322                 }
 323
 324                 if (0 == mmc_boot_partition_size_change(mmc,
 325                                                         bootsize, rpmbsize)) {
 326                         printf("EMMC boot partition Size %d MB\n", bootsize);
 327                         printf("EMMC RPMB partition Size %d MB\n", rpmbsize);
 328                         return 0;
 329                 } else {
 330                         printf("EMMC boot partition Size change Failed.\n");
 331                         return 1;
 332                 }
 333 #endif /* CONFIG_SUPPORT_EMMC_BOOT */
 334         }
 335
 336         else if (argc == 3 && strcmp(argv[1], "setdsr") == 0) {
 337                 struct mmc *mmc = find_mmc_device(curr_device);
 338                 u32 val = simple_strtoul(argv[2], NULL, 16);
 339                 int ret;
 340
 341                 if (!mmc) {
 342                         printf("no mmc device at slot %x\n", curr_device);
 343                         return 1;
 344                 }
 345                 ret = mmc_set_dsr(mmc, val);
 346                 printf("set dsr %s\n", (!ret) ? "OK, force rescan" : "ERROR");
 347                 if (!ret) {
 348                         mmc->has_init = 0;
 349                         if (mmc_init(mmc))
 350                                 return 1;
 351                         else
 352                                 return 0;
 353                 }
 354                 return ret;
 355         }
 356
 357         state = MMC_INVALID;
 358         if (argc == 5 && strcmp(argv[1], "read") == 0)
 359                 state = MMC_READ;
 360         else if (argc == 5 && strcmp(argv[1], "write") == 0)
 361                 state = MMC_WRITE;
 362         else if (argc == 4 && strcmp(argv[1], "erase") == 0)
 363                 state = MMC_ERASE;
 364
 365         if (state != MMC_INVALID) {
 366                 struct mmc *mmc = find_mmc_device(curr_device);
 367                 int idx = 2;
 368                 u32 blk, cnt, n;
 369                 void *addr;
 370
 371                 if (state != MMC_ERASE) {
 372                         addr = (void *)simple_strtoul(argv[idx], NULL, 16);
 373                         ++idx;
 374                 } else
 375                         addr = NULL;
 376                 blk = simple_strtoul(argv[idx], NULL, 16);
 377                 cnt = simple_strtoul(argv[idx + 1], NULL, 16);
 378
 379                 if (!mmc) {
 380                         printf("no mmc device at slot %x\n", curr_device);
 381                         return 1;
 382                 }
 383
 384                 printf("\nMMC %s: dev # %d, block # %d, count %d ... ",
 385                                 argv[1], curr_device, blk, cnt);
 386
 387                 mmc_init(mmc);
 388
 389                 if ((state == MMC_WRITE || state == MMC_ERASE)) {
 390                         if (mmc_getwp(mmc) == 1) {
 391                                 printf("Error: card is write protected!\n");
 392                                 return 1;
 393                         }
 394                 }
 395
 396                 switch (state) {
 397                 case MMC_READ:
 398                         n = mmc->block_dev.block_read(curr_device, blk,
 399                                                       cnt, addr);
 400                         /* flush cache after read */
 401                         flush_cache((ulong)addr, cnt * 512); /* FIXME */
 402                         break;
 403                 case MMC_WRITE:
 404                         n = mmc->block_dev.block_write(curr_device, blk,
 405                                                       cnt, addr);
 406                         break;
 407                 case MMC_ERASE:
 408                         n = mmc->block_dev.block_erase(curr_device, blk, cnt);
 409                         break;
 410                 default:
 411                         BUG();
 412                 }
 413
 414                 printf("%d blocks %s: %s\n",
 415                                 n, argv[1], (n == cnt) ? "OK" : "ERROR");
 416                 return (n == cnt) ? 0 : 1;
 417         }
 418
 419         return CMD_RET_USAGE;
 420 }
 421
 422 U_BOOT_CMD(
 423         mmc, 6, 1, do_mmcops,
 424         "MMC sub system",
 425         "read addr blk# cnt\n"
 426         "mmc write addr blk# cnt\n"
 427         "mmc erase blk# cnt\n"
 428         "mmc rescan\n"
 429         "mmc part - lists available partition on current mmc device\n"
 430         "mmc dev [dev] [part] - show or set current mmc device [partition]\n"
 431         "mmc list - lists available devices\n"
 432 #ifdef CONFIG_SUPPORT_EMMC_BOOT
 433         "mmc bootbus dev boot_bus_width reset_boot_bus_width boot_mode\n"
 434         " - Set the BOOT_BUS_WIDTH field of the specified device\n"
 435         "mmc bootpart-resize <dev> <boot part size MB> <RPMB part size MB>\n"
 436         " - Change sizes of boot and RPMB partitions of specified device\n"
 437         "mmc partconf dev boot_ack boot_partition partition_access\n"
 438         " - Change the bits of the PARTITION_CONFIG field of the specified device\n"
 439 #endif
 440         "mmc setdsr - set DSR register value\n"
 441         );
 442 #endif /* !CONFIG_GENERIC_MMC */