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