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 printf("%d blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR"); 297 298 return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE; 299 } 300 static int do_mmc_write(cmd_tbl_t *cmdtp, int flag, 301 int argc, char * const argv[]) 302 { 303 struct mmc *mmc; 304 u32 blk, cnt, n; 305 void *addr; 306 307 if (argc != 4) 308 return CMD_RET_USAGE; 309 310 addr = (void *)simple_strtoul(argv[1], NULL, 16); 311 blk = simple_strtoul(argv[2], NULL, 16); 312 cnt = simple_strtoul(argv[3], NULL, 16); 313 314 mmc = init_mmc_device(curr_device, false); 315 if (!mmc) 316 return CMD_RET_FAILURE; 317 318 printf("\nMMC write: dev # %d, block # %d, count %d ... ", 319 curr_device, blk, cnt); 320 321 if (mmc_getwp(mmc) == 1) { 322 printf("Error: card is write protected!\n"); 323 return CMD_RET_FAILURE; 324 } 325 n = blk_dwrite(mmc_get_blk_desc(mmc), blk, cnt, addr); 326 printf("%d blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR"); 327 328 return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE; 329 } 330 static int do_mmc_erase(cmd_tbl_t *cmdtp, int flag, 331 int argc, char * const argv[]) 332 { 333 struct mmc *mmc; 334 u32 blk, cnt, n; 335 336 if (argc != 3) 337 return CMD_RET_USAGE; 338 339 blk = simple_strtoul(argv[1], NULL, 16); 340 cnt = simple_strtoul(argv[2], NULL, 16); 341 342 mmc = init_mmc_device(curr_device, false); 343 if (!mmc) 344 return CMD_RET_FAILURE; 345 346 printf("\nMMC erase: dev # %d, block # %d, count %d ... ", 347 curr_device, blk, cnt); 348 349 if (mmc_getwp(mmc) == 1) { 350 printf("Error: card is write protected!\n"); 351 return CMD_RET_FAILURE; 352 } 353 n = blk_derase(mmc_get_blk_desc(mmc), blk, cnt); 354 printf("%d blocks erased: %s\n", n, (n == cnt) ? "OK" : "ERROR"); 355 356 return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE; 357 } 358 static int do_mmc_rescan(cmd_tbl_t *cmdtp, int flag, 359 int argc, char * const argv[]) 360 { 361 struct mmc *mmc; 362 363 mmc = init_mmc_device(curr_device, true); 364 if (!mmc) 365 return CMD_RET_FAILURE; 366 367 return CMD_RET_SUCCESS; 368 } 369 static int do_mmc_part(cmd_tbl_t *cmdtp, int flag, 370 int argc, char * const argv[]) 371 { 372 struct blk_desc *mmc_dev; 373 struct mmc *mmc; 374 375 mmc = init_mmc_device(curr_device, false); 376 if (!mmc) 377 return CMD_RET_FAILURE; 378 379 mmc_dev = blk_get_devnum_by_type(IF_TYPE_MMC, curr_device); 380 if (mmc_dev != NULL && mmc_dev->type != DEV_TYPE_UNKNOWN) { 381 part_print(mmc_dev); 382 return CMD_RET_SUCCESS; 383 } 384 385 puts("get mmc type error!\n"); 386 return CMD_RET_FAILURE; 387 } 388 static int do_mmc_dev(cmd_tbl_t *cmdtp, int flag, 389 int argc, char * const argv[]) 390 { 391 int dev, part = 0, ret; 392 struct mmc *mmc; 393 394 if (argc == 1) { 395 dev = curr_device; 396 } else if (argc == 2) { 397 dev = simple_strtoul(argv[1], NULL, 10); 398 } else if (argc == 3) { 399 dev = (int)simple_strtoul(argv[1], NULL, 10); 400 part = (int)simple_strtoul(argv[2], NULL, 10); 401 if (part > PART_ACCESS_MASK) { 402 printf("#part_num shouldn't be larger than %d\n", 403 PART_ACCESS_MASK); 404 return CMD_RET_FAILURE; 405 } 406 } else { 407 return CMD_RET_USAGE; 408 } 409 410 mmc = init_mmc_device(dev, true); 411 if (!mmc) 412 return CMD_RET_FAILURE; 413 414 ret = blk_select_hwpart_devnum(IF_TYPE_MMC, dev, part); 415 printf("switch to partitions #%d, %s\n", 416 part, (!ret) ? "OK" : "ERROR"); 417 if (ret) 418 return 1; 419 420 curr_device = dev; 421 if (mmc->part_config == MMCPART_NOAVAILABLE) 422 printf("mmc%d is current device\n", curr_device); 423 else 424 printf("mmc%d(part %d) is current device\n", 425 curr_device, mmc_get_blk_desc(mmc)->hwpart); 426 427 return CMD_RET_SUCCESS; 428 } 429 static int do_mmc_list(cmd_tbl_t *cmdtp, int flag, 430 int argc, char * const argv[]) 431 { 432 print_mmc_devices('\n'); 433 return CMD_RET_SUCCESS; 434 } 435 436 static int parse_hwpart_user(struct mmc_hwpart_conf *pconf, 437 int argc, char * const argv[]) 438 { 439 int i = 0; 440 441 memset(&pconf->user, 0, sizeof(pconf->user)); 442 443 while (i < argc) { 444 if (!strcmp(argv[i], "enh")) { 445 if (i + 2 >= argc) 446 return -1; 447 pconf->user.enh_start = 448 simple_strtoul(argv[i+1], NULL, 10); 449 pconf->user.enh_size = 450 simple_strtoul(argv[i+2], NULL, 10); 451 i += 3; 452 } else if (!strcmp(argv[i], "wrrel")) { 453 if (i + 1 >= argc) 454 return -1; 455 pconf->user.wr_rel_change = 1; 456 if (!strcmp(argv[i+1], "on")) 457 pconf->user.wr_rel_set = 1; 458 else if (!strcmp(argv[i+1], "off")) 459 pconf->user.wr_rel_set = 0; 460 else 461 return -1; 462 i += 2; 463 } else { 464 break; 465 } 466 } 467 return i; 468 } 469 470 static int parse_hwpart_gp(struct mmc_hwpart_conf *pconf, int pidx, 471 int argc, char * const argv[]) 472 { 473 int i; 474 475 memset(&pconf->gp_part[pidx], 0, sizeof(pconf->gp_part[pidx])); 476 477 if (1 >= argc) 478 return -1; 479 pconf->gp_part[pidx].size = simple_strtoul(argv[0], NULL, 10); 480 481 i = 1; 482 while (i < argc) { 483 if (!strcmp(argv[i], "enh")) { 484 pconf->gp_part[pidx].enhanced = 1; 485 i += 1; 486 } else if (!strcmp(argv[i], "wrrel")) { 487 if (i + 1 >= argc) 488 return -1; 489 pconf->gp_part[pidx].wr_rel_change = 1; 490 if (!strcmp(argv[i+1], "on")) 491 pconf->gp_part[pidx].wr_rel_set = 1; 492 else if (!strcmp(argv[i+1], "off")) 493 pconf->gp_part[pidx].wr_rel_set = 0; 494 else 495 return -1; 496 i += 2; 497 } else { 498 break; 499 } 500 } 501 return i; 502 } 503 504 static int do_mmc_hwpartition(cmd_tbl_t *cmdtp, int flag, 505 int argc, char * const argv[]) 506 { 507 struct mmc *mmc; 508 struct mmc_hwpart_conf pconf = { }; 509 enum mmc_hwpart_conf_mode mode = MMC_HWPART_CONF_CHECK; 510 int i, r, pidx; 511 512 mmc = init_mmc_device(curr_device, false); 513 if (!mmc) 514 return CMD_RET_FAILURE; 515 516 if (argc < 1) 517 return CMD_RET_USAGE; 518 i = 1; 519 while (i < argc) { 520 if (!strcmp(argv[i], "user")) { 521 i++; 522 r = parse_hwpart_user(&pconf, argc-i, &argv[i]); 523 if (r < 0) 524 return CMD_RET_USAGE; 525 i += r; 526 } else if (!strncmp(argv[i], "gp", 2) && 527 strlen(argv[i]) == 3 && 528 argv[i][2] >= '1' && argv[i][2] <= '4') { 529 pidx = argv[i][2] - '1'; 530 i++; 531 r = parse_hwpart_gp(&pconf, pidx, argc-i, &argv[i]); 532 if (r < 0) 533 return CMD_RET_USAGE; 534 i += r; 535 } else if (!strcmp(argv[i], "check")) { 536 mode = MMC_HWPART_CONF_CHECK; 537 i++; 538 } else if (!strcmp(argv[i], "set")) { 539 mode = MMC_HWPART_CONF_SET; 540 i++; 541 } else if (!strcmp(argv[i], "complete")) { 542 mode = MMC_HWPART_CONF_COMPLETE; 543 i++; 544 } else { 545 return CMD_RET_USAGE; 546 } 547 } 548 549 puts("Partition configuration:\n"); 550 if (pconf.user.enh_size) { 551 puts("\tUser Enhanced Start: "); 552 print_size(((u64)pconf.user.enh_start) << 9, "\n"); 553 puts("\tUser Enhanced Size: "); 554 print_size(((u64)pconf.user.enh_size) << 9, "\n"); 555 } else { 556 puts("\tNo enhanced user data area\n"); 557 } 558 if (pconf.user.wr_rel_change) 559 printf("\tUser partition write reliability: %s\n", 560 pconf.user.wr_rel_set ? "on" : "off"); 561 for (pidx = 0; pidx < 4; pidx++) { 562 if (pconf.gp_part[pidx].size) { 563 printf("\tGP%i Capacity: ", pidx+1); 564 print_size(((u64)pconf.gp_part[pidx].size) << 9, 565 pconf.gp_part[pidx].enhanced ? 566 " ENH\n" : "\n"); 567 } else { 568 printf("\tNo GP%i partition\n", pidx+1); 569 } 570 if (pconf.gp_part[pidx].wr_rel_change) 571 printf("\tGP%i write reliability: %s\n", pidx+1, 572 pconf.gp_part[pidx].wr_rel_set ? "on" : "off"); 573 } 574 575 if (!mmc_hwpart_config(mmc, &pconf, mode)) { 576 if (mode == MMC_HWPART_CONF_COMPLETE) 577 puts("Partitioning successful, " 578 "power-cycle to make effective\n"); 579 return CMD_RET_SUCCESS; 580 } else { 581 puts("Failed!\n"); 582 return CMD_RET_FAILURE; 583 } 584 } 585 586 #ifdef CONFIG_SUPPORT_EMMC_BOOT 587 static int do_mmc_bootbus(cmd_tbl_t *cmdtp, int flag, 588 int argc, char * const argv[]) 589 { 590 int dev; 591 struct mmc *mmc; 592 u8 width, reset, mode; 593 594 if (argc != 5) 595 return CMD_RET_USAGE; 596 dev = simple_strtoul(argv[1], NULL, 10); 597 width = simple_strtoul(argv[2], NULL, 10); 598 reset = simple_strtoul(argv[3], NULL, 10); 599 mode = simple_strtoul(argv[4], NULL, 10); 600 601 mmc = init_mmc_device(dev, false); 602 if (!mmc) 603 return CMD_RET_FAILURE; 604 605 if (IS_SD(mmc)) { 606 puts("BOOT_BUS_WIDTH only exists on eMMC\n"); 607 return CMD_RET_FAILURE; 608 } 609 610 /* acknowledge to be sent during boot operation */ 611 return mmc_set_boot_bus_width(mmc, width, reset, mode); 612 } 613 static int do_mmc_boot_resize(cmd_tbl_t *cmdtp, int flag, 614 int argc, char * const argv[]) 615 { 616 int dev; 617 struct mmc *mmc; 618 u32 bootsize, rpmbsize; 619 620 if (argc != 4) 621 return CMD_RET_USAGE; 622 dev = simple_strtoul(argv[1], NULL, 10); 623 bootsize = simple_strtoul(argv[2], NULL, 10); 624 rpmbsize = simple_strtoul(argv[3], NULL, 10); 625 626 mmc = init_mmc_device(dev, false); 627 if (!mmc) 628 return CMD_RET_FAILURE; 629 630 if (IS_SD(mmc)) { 631 printf("It is not a EMMC device\n"); 632 return CMD_RET_FAILURE; 633 } 634 635 if (mmc_boot_partition_size_change(mmc, bootsize, rpmbsize)) { 636 printf("EMMC boot partition Size change Failed.\n"); 637 return CMD_RET_FAILURE; 638 } 639 640 printf("EMMC boot partition Size %d MB\n", bootsize); 641 printf("EMMC RPMB partition Size %d MB\n", rpmbsize); 642 return CMD_RET_SUCCESS; 643 } 644 645 static int mmc_partconf_print(struct mmc *mmc) 646 { 647 u8 ack, access, part; 648 649 if (mmc->part_config == MMCPART_NOAVAILABLE) { 650 printf("No part_config info for ver. 0x%x\n", mmc->version); 651 return CMD_RET_FAILURE; 652 } 653 654 access = EXT_CSD_EXTRACT_PARTITION_ACCESS(mmc->part_config); 655 ack = EXT_CSD_EXTRACT_BOOT_ACK(mmc->part_config); 656 part = EXT_CSD_EXTRACT_BOOT_PART(mmc->part_config); 657 658 printf("EXT_CSD[179], PARTITION_CONFIG:\n" 659 "BOOT_ACK: 0x%x\n" 660 "BOOT_PARTITION_ENABLE: 0x%x\n" 661 "PARTITION_ACCESS: 0x%x\n", ack, part, access); 662 663 return CMD_RET_SUCCESS; 664 } 665 666 static int do_mmc_partconf(cmd_tbl_t *cmdtp, int flag, 667 int argc, char * const argv[]) 668 { 669 int dev; 670 struct mmc *mmc; 671 u8 ack, part_num, access; 672 673 if (argc != 2 && argc != 5) 674 return CMD_RET_USAGE; 675 676 dev = simple_strtoul(argv[1], NULL, 10); 677 678 mmc = init_mmc_device(dev, false); 679 if (!mmc) 680 return CMD_RET_FAILURE; 681 682 if (IS_SD(mmc)) { 683 puts("PARTITION_CONFIG only exists on eMMC\n"); 684 return CMD_RET_FAILURE; 685 } 686 687 if (argc == 2) 688 return mmc_partconf_print(mmc); 689 690 ack = simple_strtoul(argv[2], NULL, 10); 691 part_num = simple_strtoul(argv[3], NULL, 10); 692 access = simple_strtoul(argv[4], NULL, 10); 693 694 /* acknowledge to be sent during boot operation */ 695 return mmc_set_part_conf(mmc, ack, part_num, access); 696 } 697 static int do_mmc_rst_func(cmd_tbl_t *cmdtp, int flag, 698 int argc, char * const argv[]) 699 { 700 int dev; 701 struct mmc *mmc; 702 u8 enable; 703 704 /* 705 * Set the RST_n_ENABLE bit of RST_n_FUNCTION 706 * The only valid values are 0x0, 0x1 and 0x2 and writing 707 * a value of 0x1 or 0x2 sets the value permanently. 708 */ 709 if (argc != 3) 710 return CMD_RET_USAGE; 711 712 dev = simple_strtoul(argv[1], NULL, 10); 713 enable = simple_strtoul(argv[2], NULL, 10); 714 715 if (enable > 2) { 716 puts("Invalid RST_n_ENABLE value\n"); 717 return CMD_RET_USAGE; 718 } 719 720 mmc = init_mmc_device(dev, false); 721 if (!mmc) 722 return CMD_RET_FAILURE; 723 724 if (IS_SD(mmc)) { 725 puts("RST_n_FUNCTION only exists on eMMC\n"); 726 return CMD_RET_FAILURE; 727 } 728 729 return mmc_set_rst_n_function(mmc, enable); 730 } 731 #endif 732 static int do_mmc_setdsr(cmd_tbl_t *cmdtp, int flag, 733 int argc, char * const argv[]) 734 { 735 struct mmc *mmc; 736 u32 val; 737 int ret; 738 739 if (argc != 2) 740 return CMD_RET_USAGE; 741 val = simple_strtoul(argv[1], NULL, 16); 742 743 mmc = find_mmc_device(curr_device); 744 if (!mmc) { 745 printf("no mmc device at slot %x\n", curr_device); 746 return CMD_RET_FAILURE; 747 } 748 ret = mmc_set_dsr(mmc, val); 749 printf("set dsr %s\n", (!ret) ? "OK, force rescan" : "ERROR"); 750 if (!ret) { 751 mmc->has_init = 0; 752 if (mmc_init(mmc)) 753 return CMD_RET_FAILURE; 754 else 755 return CMD_RET_SUCCESS; 756 } 757 return ret; 758 } 759 760 #ifdef CONFIG_CMD_BKOPS_ENABLE 761 static int do_mmc_bkops_enable(cmd_tbl_t *cmdtp, int flag, 762 int argc, char * const argv[]) 763 { 764 int dev; 765 struct mmc *mmc; 766 767 if (argc != 2) 768 return CMD_RET_USAGE; 769 770 dev = simple_strtoul(argv[1], NULL, 10); 771 772 mmc = init_mmc_device(dev, false); 773 if (!mmc) 774 return CMD_RET_FAILURE; 775 776 if (IS_SD(mmc)) { 777 puts("BKOPS_EN only exists on eMMC\n"); 778 return CMD_RET_FAILURE; 779 } 780 781 return mmc_set_bkops_enable(mmc); 782 } 783 #endif 784 785 static cmd_tbl_t cmd_mmc[] = { 786 U_BOOT_CMD_MKENT(info, 1, 0, do_mmcinfo, "", ""), 787 U_BOOT_CMD_MKENT(read, 4, 1, do_mmc_read, "", ""), 788 U_BOOT_CMD_MKENT(write, 4, 0, do_mmc_write, "", ""), 789 U_BOOT_CMD_MKENT(erase, 3, 0, do_mmc_erase, "", ""), 790 U_BOOT_CMD_MKENT(rescan, 1, 1, do_mmc_rescan, "", ""), 791 U_BOOT_CMD_MKENT(part, 1, 1, do_mmc_part, "", ""), 792 U_BOOT_CMD_MKENT(dev, 3, 0, do_mmc_dev, "", ""), 793 U_BOOT_CMD_MKENT(list, 1, 1, do_mmc_list, "", ""), 794 U_BOOT_CMD_MKENT(hwpartition, 28, 0, do_mmc_hwpartition, "", ""), 795 #ifdef CONFIG_SUPPORT_EMMC_BOOT 796 U_BOOT_CMD_MKENT(bootbus, 5, 0, do_mmc_bootbus, "", ""), 797 U_BOOT_CMD_MKENT(bootpart-resize, 4, 0, do_mmc_boot_resize, "", ""), 798 U_BOOT_CMD_MKENT(partconf, 5, 0, do_mmc_partconf, "", ""), 799 U_BOOT_CMD_MKENT(rst-function, 3, 0, do_mmc_rst_func, "", ""), 800 #endif 801 #ifdef CONFIG_SUPPORT_EMMC_RPMB 802 U_BOOT_CMD_MKENT(rpmb, CONFIG_SYS_MAXARGS, 1, do_mmcrpmb, "", ""), 803 #endif 804 U_BOOT_CMD_MKENT(setdsr, 2, 0, do_mmc_setdsr, "", ""), 805 #ifdef CONFIG_CMD_BKOPS_ENABLE 806 U_BOOT_CMD_MKENT(bkops-enable, 2, 0, do_mmc_bkops_enable, "", ""), 807 #endif 808 }; 809 810 static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 811 { 812 cmd_tbl_t *cp; 813 814 cp = find_cmd_tbl(argv[1], cmd_mmc, ARRAY_SIZE(cmd_mmc)); 815 816 /* Drop the mmc command */ 817 argc--; 818 argv++; 819 820 if (cp == NULL || argc > cp->maxargs) 821 return CMD_RET_USAGE; 822 if (flag == CMD_FLAG_REPEAT && !cp->repeatable) 823 return CMD_RET_SUCCESS; 824 825 if (curr_device < 0) { 826 if (get_mmc_num() > 0) { 827 curr_device = 0; 828 } else { 829 puts("No MMC device available\n"); 830 return CMD_RET_FAILURE; 831 } 832 } 833 return cp->cmd(cmdtp, flag, argc, argv); 834 } 835 836 U_BOOT_CMD( 837 mmc, 29, 1, do_mmcops, 838 "MMC sub system", 839 "info - display info of the current MMC device\n" 840 "mmc read addr blk# cnt\n" 841 "mmc write addr blk# cnt\n" 842 "mmc erase blk# cnt\n" 843 "mmc rescan\n" 844 "mmc part - lists available partition on current mmc device\n" 845 "mmc dev [dev] [part] - show or set current mmc device [partition]\n" 846 "mmc list - lists available devices\n" 847 "mmc hwpartition [args...] - does hardware partitioning\n" 848 " arguments (sizes in 512-byte blocks):\n" 849 " [user [enh start cnt] [wrrel {on|off}]] - sets user data area attributes\n" 850 " [gp1|gp2|gp3|gp4 cnt [enh] [wrrel {on|off}]] - general purpose partition\n" 851 " [check|set|complete] - mode, complete set partitioning completed\n" 852 " WARNING: Partitioning is a write-once setting once it is set to complete.\n" 853 " Power cycling is required to initialize partitions after set to complete.\n" 854 #ifdef CONFIG_SUPPORT_EMMC_BOOT 855 "mmc bootbus dev boot_bus_width reset_boot_bus_width boot_mode\n" 856 " - Set the BOOT_BUS_WIDTH field of the specified device\n" 857 "mmc bootpart-resize <dev> <boot part size MB> <RPMB part size MB>\n" 858 " - Change sizes of boot and RPMB partitions of specified device\n" 859 "mmc partconf dev [boot_ack boot_partition partition_access]\n" 860 " - Show or change the bits of the PARTITION_CONFIG field of the specified device\n" 861 "mmc rst-function dev value\n" 862 " - Change the RST_n_FUNCTION field of the specified device\n" 863 " WARNING: This is a write-once field and 0 / 1 / 2 are the only valid values.\n" 864 #endif 865 #ifdef CONFIG_SUPPORT_EMMC_RPMB 866 "mmc rpmb read addr blk# cnt [address of auth-key] - block size is 256 bytes\n" 867 "mmc rpmb write addr blk# cnt <address of auth-key> - block size is 256 bytes\n" 868 "mmc rpmb key <address of auth-key> - program the RPMB authentication key.\n" 869 "mmc rpmb counter - read the value of the write counter\n" 870 #endif 871 "mmc setdsr <value> - set DSR register value\n" 872 #ifdef CONFIG_CMD_BKOPS_ENABLE 873 "mmc bkops-enable <dev> - enable background operations handshake on device\n" 874 " WARNING: This is a write-once setting.\n" 875 #endif 876 ); 877 878 /* Old command kept for compatibility. Same as 'mmc info' */ 879 U_BOOT_CMD( 880 mmcinfo, 1, 0, do_mmcinfo, 881 "display MMC info", 882 "- display info of the current MMC device" 883 ); 884