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