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 original_part = mmc->block_dev.hwpart; 257 if (blk_select_hwpart_devnum(IF_TYPE_MMC, curr_device, MMC_PART_RPMB) != 258 0) 259 return CMD_RET_FAILURE; 260 ret = cp->cmd(cmdtp, flag, argc, argv); 261 262 /* Return to original partition */ 263 if (blk_select_hwpart_devnum(IF_TYPE_MMC, curr_device, original_part) != 264 0) 265 return CMD_RET_FAILURE; 266 return ret; 267 } 268 #endif 269 270 static int do_mmc_read(cmd_tbl_t *cmdtp, int flag, 271 int argc, char * const argv[]) 272 { 273 struct mmc *mmc; 274 u32 blk, cnt, n; 275 void *addr; 276 277 if (argc != 4) 278 return CMD_RET_USAGE; 279 280 addr = (void *)simple_strtoul(argv[1], NULL, 16); 281 blk = simple_strtoul(argv[2], NULL, 16); 282 cnt = simple_strtoul(argv[3], NULL, 16); 283 284 mmc = init_mmc_device(curr_device, false); 285 if (!mmc) 286 return CMD_RET_FAILURE; 287 288 printf("\nMMC read: dev # %d, block # %d, count %d ... ", 289 curr_device, blk, cnt); 290 291 n = blk_dread(mmc_get_blk_desc(mmc), blk, cnt, addr); 292 /* flush cache after read */ 293 flush_cache((ulong)addr, cnt * 512); /* FIXME */ 294 printf("%d blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR"); 295 296 return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE; 297 } 298 static int do_mmc_write(cmd_tbl_t *cmdtp, int flag, 299 int argc, char * const argv[]) 300 { 301 struct mmc *mmc; 302 u32 blk, cnt, n; 303 void *addr; 304 305 if (argc != 4) 306 return CMD_RET_USAGE; 307 308 addr = (void *)simple_strtoul(argv[1], NULL, 16); 309 blk = simple_strtoul(argv[2], NULL, 16); 310 cnt = simple_strtoul(argv[3], NULL, 16); 311 312 mmc = init_mmc_device(curr_device, false); 313 if (!mmc) 314 return CMD_RET_FAILURE; 315 316 printf("\nMMC write: dev # %d, block # %d, count %d ... ", 317 curr_device, blk, cnt); 318 319 if (mmc_getwp(mmc) == 1) { 320 printf("Error: card is write protected!\n"); 321 return CMD_RET_FAILURE; 322 } 323 n = blk_dwrite(mmc_get_blk_desc(mmc), blk, cnt, addr); 324 printf("%d blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR"); 325 326 return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE; 327 } 328 static int do_mmc_erase(cmd_tbl_t *cmdtp, int flag, 329 int argc, char * const argv[]) 330 { 331 struct mmc *mmc; 332 u32 blk, cnt, n; 333 334 if (argc != 3) 335 return CMD_RET_USAGE; 336 337 blk = simple_strtoul(argv[1], NULL, 16); 338 cnt = simple_strtoul(argv[2], NULL, 16); 339 340 mmc = init_mmc_device(curr_device, false); 341 if (!mmc) 342 return CMD_RET_FAILURE; 343 344 printf("\nMMC erase: dev # %d, block # %d, count %d ... ", 345 curr_device, blk, cnt); 346 347 if (mmc_getwp(mmc) == 1) { 348 printf("Error: card is write protected!\n"); 349 return CMD_RET_FAILURE; 350 } 351 n = blk_derase(mmc_get_blk_desc(mmc), blk, cnt); 352 printf("%d blocks erased: %s\n", n, (n == cnt) ? "OK" : "ERROR"); 353 354 return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE; 355 } 356 static int do_mmc_rescan(cmd_tbl_t *cmdtp, int flag, 357 int argc, char * const argv[]) 358 { 359 struct mmc *mmc; 360 361 mmc = init_mmc_device(curr_device, true); 362 if (!mmc) 363 return CMD_RET_FAILURE; 364 365 return CMD_RET_SUCCESS; 366 } 367 static int do_mmc_part(cmd_tbl_t *cmdtp, int flag, 368 int argc, char * const argv[]) 369 { 370 struct blk_desc *mmc_dev; 371 struct mmc *mmc; 372 373 mmc = init_mmc_device(curr_device, false); 374 if (!mmc) 375 return CMD_RET_FAILURE; 376 377 mmc_dev = blk_get_devnum_by_type(IF_TYPE_MMC, curr_device); 378 if (mmc_dev != NULL && mmc_dev->type != DEV_TYPE_UNKNOWN) { 379 part_print(mmc_dev); 380 return CMD_RET_SUCCESS; 381 } 382 383 puts("get mmc type error!\n"); 384 return CMD_RET_FAILURE; 385 } 386 static int do_mmc_dev(cmd_tbl_t *cmdtp, int flag, 387 int argc, char * const argv[]) 388 { 389 int dev, part = 0, ret; 390 struct mmc *mmc; 391 392 if (argc == 1) { 393 dev = curr_device; 394 } else if (argc == 2) { 395 dev = simple_strtoul(argv[1], NULL, 10); 396 } else if (argc == 3) { 397 dev = (int)simple_strtoul(argv[1], NULL, 10); 398 part = (int)simple_strtoul(argv[2], NULL, 10); 399 if (part > PART_ACCESS_MASK) { 400 printf("#part_num shouldn't be larger than %d\n", 401 PART_ACCESS_MASK); 402 return CMD_RET_FAILURE; 403 } 404 } else { 405 return CMD_RET_USAGE; 406 } 407 408 mmc = init_mmc_device(dev, true); 409 if (!mmc) 410 return CMD_RET_FAILURE; 411 412 ret = blk_select_hwpart_devnum(IF_TYPE_MMC, dev, part); 413 printf("switch to partitions #%d, %s\n", 414 part, (!ret) ? "OK" : "ERROR"); 415 if (ret) 416 return 1; 417 418 curr_device = dev; 419 if (mmc->part_config == MMCPART_NOAVAILABLE) 420 printf("mmc%d is current device\n", curr_device); 421 else 422 printf("mmc%d(part %d) is current device\n", 423 curr_device, mmc_get_blk_desc(mmc)->hwpart); 424 425 return CMD_RET_SUCCESS; 426 } 427 static int do_mmc_list(cmd_tbl_t *cmdtp, int flag, 428 int argc, char * const argv[]) 429 { 430 print_mmc_devices('\n'); 431 return CMD_RET_SUCCESS; 432 } 433 434 static int parse_hwpart_user(struct mmc_hwpart_conf *pconf, 435 int argc, char * const argv[]) 436 { 437 int i = 0; 438 439 memset(&pconf->user, 0, sizeof(pconf->user)); 440 441 while (i < argc) { 442 if (!strcmp(argv[i], "enh")) { 443 if (i + 2 >= argc) 444 return -1; 445 pconf->user.enh_start = 446 simple_strtoul(argv[i+1], NULL, 10); 447 pconf->user.enh_size = 448 simple_strtoul(argv[i+2], NULL, 10); 449 i += 3; 450 } else if (!strcmp(argv[i], "wrrel")) { 451 if (i + 1 >= argc) 452 return -1; 453 pconf->user.wr_rel_change = 1; 454 if (!strcmp(argv[i+1], "on")) 455 pconf->user.wr_rel_set = 1; 456 else if (!strcmp(argv[i+1], "off")) 457 pconf->user.wr_rel_set = 0; 458 else 459 return -1; 460 i += 2; 461 } else { 462 break; 463 } 464 } 465 return i; 466 } 467 468 static int parse_hwpart_gp(struct mmc_hwpart_conf *pconf, int pidx, 469 int argc, char * const argv[]) 470 { 471 int i; 472 473 memset(&pconf->gp_part[pidx], 0, sizeof(pconf->gp_part[pidx])); 474 475 if (1 >= argc) 476 return -1; 477 pconf->gp_part[pidx].size = simple_strtoul(argv[0], NULL, 10); 478 479 i = 1; 480 while (i < argc) { 481 if (!strcmp(argv[i], "enh")) { 482 pconf->gp_part[pidx].enhanced = 1; 483 i += 1; 484 } else if (!strcmp(argv[i], "wrrel")) { 485 if (i + 1 >= argc) 486 return -1; 487 pconf->gp_part[pidx].wr_rel_change = 1; 488 if (!strcmp(argv[i+1], "on")) 489 pconf->gp_part[pidx].wr_rel_set = 1; 490 else if (!strcmp(argv[i+1], "off")) 491 pconf->gp_part[pidx].wr_rel_set = 0; 492 else 493 return -1; 494 i += 2; 495 } else { 496 break; 497 } 498 } 499 return i; 500 } 501 502 static int do_mmc_hwpartition(cmd_tbl_t *cmdtp, int flag, 503 int argc, char * const argv[]) 504 { 505 struct mmc *mmc; 506 struct mmc_hwpart_conf pconf = { }; 507 enum mmc_hwpart_conf_mode mode = MMC_HWPART_CONF_CHECK; 508 int i, r, pidx; 509 510 mmc = init_mmc_device(curr_device, false); 511 if (!mmc) 512 return CMD_RET_FAILURE; 513 514 if (argc < 1) 515 return CMD_RET_USAGE; 516 i = 1; 517 while (i < argc) { 518 if (!strcmp(argv[i], "user")) { 519 i++; 520 r = parse_hwpart_user(&pconf, argc-i, &argv[i]); 521 if (r < 0) 522 return CMD_RET_USAGE; 523 i += r; 524 } else if (!strncmp(argv[i], "gp", 2) && 525 strlen(argv[i]) == 3 && 526 argv[i][2] >= '1' && argv[i][2] <= '4') { 527 pidx = argv[i][2] - '1'; 528 i++; 529 r = parse_hwpart_gp(&pconf, pidx, argc-i, &argv[i]); 530 if (r < 0) 531 return CMD_RET_USAGE; 532 i += r; 533 } else if (!strcmp(argv[i], "check")) { 534 mode = MMC_HWPART_CONF_CHECK; 535 i++; 536 } else if (!strcmp(argv[i], "set")) { 537 mode = MMC_HWPART_CONF_SET; 538 i++; 539 } else if (!strcmp(argv[i], "complete")) { 540 mode = MMC_HWPART_CONF_COMPLETE; 541 i++; 542 } else { 543 return CMD_RET_USAGE; 544 } 545 } 546 547 puts("Partition configuration:\n"); 548 if (pconf.user.enh_size) { 549 puts("\tUser Enhanced Start: "); 550 print_size(((u64)pconf.user.enh_start) << 9, "\n"); 551 puts("\tUser Enhanced Size: "); 552 print_size(((u64)pconf.user.enh_size) << 9, "\n"); 553 } else { 554 puts("\tNo enhanced user data area\n"); 555 } 556 if (pconf.user.wr_rel_change) 557 printf("\tUser partition write reliability: %s\n", 558 pconf.user.wr_rel_set ? "on" : "off"); 559 for (pidx = 0; pidx < 4; pidx++) { 560 if (pconf.gp_part[pidx].size) { 561 printf("\tGP%i Capacity: ", pidx+1); 562 print_size(((u64)pconf.gp_part[pidx].size) << 9, 563 pconf.gp_part[pidx].enhanced ? 564 " ENH\n" : "\n"); 565 } else { 566 printf("\tNo GP%i partition\n", pidx+1); 567 } 568 if (pconf.gp_part[pidx].wr_rel_change) 569 printf("\tGP%i write reliability: %s\n", pidx+1, 570 pconf.gp_part[pidx].wr_rel_set ? "on" : "off"); 571 } 572 573 if (!mmc_hwpart_config(mmc, &pconf, mode)) { 574 if (mode == MMC_HWPART_CONF_COMPLETE) 575 puts("Partitioning successful, " 576 "power-cycle to make effective\n"); 577 return CMD_RET_SUCCESS; 578 } else { 579 puts("Failed!\n"); 580 return CMD_RET_FAILURE; 581 } 582 } 583 584 #ifdef CONFIG_SUPPORT_EMMC_BOOT 585 static int do_mmc_bootbus(cmd_tbl_t *cmdtp, int flag, 586 int argc, char * const argv[]) 587 { 588 int dev; 589 struct mmc *mmc; 590 u8 width, reset, mode; 591 592 if (argc != 5) 593 return CMD_RET_USAGE; 594 dev = simple_strtoul(argv[1], NULL, 10); 595 width = simple_strtoul(argv[2], NULL, 10); 596 reset = simple_strtoul(argv[3], NULL, 10); 597 mode = simple_strtoul(argv[4], NULL, 10); 598 599 mmc = init_mmc_device(dev, false); 600 if (!mmc) 601 return CMD_RET_FAILURE; 602 603 if (IS_SD(mmc)) { 604 puts("BOOT_BUS_WIDTH only exists on eMMC\n"); 605 return CMD_RET_FAILURE; 606 } 607 608 /* acknowledge to be sent during boot operation */ 609 return mmc_set_boot_bus_width(mmc, width, reset, mode); 610 } 611 static int do_mmc_boot_resize(cmd_tbl_t *cmdtp, int flag, 612 int argc, char * const argv[]) 613 { 614 int dev; 615 struct mmc *mmc; 616 u32 bootsize, rpmbsize; 617 618 if (argc != 4) 619 return CMD_RET_USAGE; 620 dev = simple_strtoul(argv[1], NULL, 10); 621 bootsize = simple_strtoul(argv[2], NULL, 10); 622 rpmbsize = simple_strtoul(argv[3], NULL, 10); 623 624 mmc = init_mmc_device(dev, false); 625 if (!mmc) 626 return CMD_RET_FAILURE; 627 628 if (IS_SD(mmc)) { 629 printf("It is not a EMMC device\n"); 630 return CMD_RET_FAILURE; 631 } 632 633 if (mmc_boot_partition_size_change(mmc, bootsize, rpmbsize)) { 634 printf("EMMC boot partition Size change Failed.\n"); 635 return CMD_RET_FAILURE; 636 } 637 638 printf("EMMC boot partition Size %d MB\n", bootsize); 639 printf("EMMC RPMB partition Size %d MB\n", rpmbsize); 640 return CMD_RET_SUCCESS; 641 } 642 static int do_mmc_partconf(cmd_tbl_t *cmdtp, int flag, 643 int argc, char * const argv[]) 644 { 645 int dev; 646 struct mmc *mmc; 647 u8 ack, part_num, access; 648 649 if (argc != 5) 650 return CMD_RET_USAGE; 651 652 dev = simple_strtoul(argv[1], NULL, 10); 653 ack = simple_strtoul(argv[2], NULL, 10); 654 part_num = simple_strtoul(argv[3], NULL, 10); 655 access = 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("PARTITION_CONFIG only exists on eMMC\n"); 663 return CMD_RET_FAILURE; 664 } 665 666 /* acknowledge to be sent during boot operation */ 667 return mmc_set_part_conf(mmc, ack, part_num, access); 668 } 669 static int do_mmc_rst_func(cmd_tbl_t *cmdtp, int flag, 670 int argc, char * const argv[]) 671 { 672 int dev; 673 struct mmc *mmc; 674 u8 enable; 675 676 /* 677 * Set the RST_n_ENABLE bit of RST_n_FUNCTION 678 * The only valid values are 0x0, 0x1 and 0x2 and writing 679 * a value of 0x1 or 0x2 sets the value permanently. 680 */ 681 if (argc != 3) 682 return CMD_RET_USAGE; 683 684 dev = simple_strtoul(argv[1], NULL, 10); 685 enable = simple_strtoul(argv[2], NULL, 10); 686 687 if (enable > 2) { 688 puts("Invalid RST_n_ENABLE value\n"); 689 return CMD_RET_USAGE; 690 } 691 692 mmc = init_mmc_device(dev, false); 693 if (!mmc) 694 return CMD_RET_FAILURE; 695 696 if (IS_SD(mmc)) { 697 puts("RST_n_FUNCTION only exists on eMMC\n"); 698 return CMD_RET_FAILURE; 699 } 700 701 return mmc_set_rst_n_function(mmc, enable); 702 } 703 #endif 704 static int do_mmc_setdsr(cmd_tbl_t *cmdtp, int flag, 705 int argc, char * const argv[]) 706 { 707 struct mmc *mmc; 708 u32 val; 709 int ret; 710 711 if (argc != 2) 712 return CMD_RET_USAGE; 713 val = simple_strtoul(argv[1], NULL, 16); 714 715 mmc = find_mmc_device(curr_device); 716 if (!mmc) { 717 printf("no mmc device at slot %x\n", curr_device); 718 return CMD_RET_FAILURE; 719 } 720 ret = mmc_set_dsr(mmc, val); 721 printf("set dsr %s\n", (!ret) ? "OK, force rescan" : "ERROR"); 722 if (!ret) { 723 mmc->has_init = 0; 724 if (mmc_init(mmc)) 725 return CMD_RET_FAILURE; 726 else 727 return CMD_RET_SUCCESS; 728 } 729 return ret; 730 } 731 732 #ifdef CONFIG_CMD_BKOPS_ENABLE 733 static int do_mmc_bkops_enable(cmd_tbl_t *cmdtp, int flag, 734 int argc, char * const argv[]) 735 { 736 int dev; 737 struct mmc *mmc; 738 739 if (argc != 2) 740 return CMD_RET_USAGE; 741 742 dev = simple_strtoul(argv[1], NULL, 10); 743 744 mmc = init_mmc_device(dev, false); 745 if (!mmc) 746 return CMD_RET_FAILURE; 747 748 if (IS_SD(mmc)) { 749 puts("BKOPS_EN only exists on eMMC\n"); 750 return CMD_RET_FAILURE; 751 } 752 753 return mmc_set_bkops_enable(mmc); 754 } 755 #endif 756 757 static cmd_tbl_t cmd_mmc[] = { 758 U_BOOT_CMD_MKENT(info, 1, 0, do_mmcinfo, "", ""), 759 U_BOOT_CMD_MKENT(read, 4, 1, do_mmc_read, "", ""), 760 U_BOOT_CMD_MKENT(write, 4, 0, do_mmc_write, "", ""), 761 U_BOOT_CMD_MKENT(erase, 3, 0, do_mmc_erase, "", ""), 762 U_BOOT_CMD_MKENT(rescan, 1, 1, do_mmc_rescan, "", ""), 763 U_BOOT_CMD_MKENT(part, 1, 1, do_mmc_part, "", ""), 764 U_BOOT_CMD_MKENT(dev, 3, 0, do_mmc_dev, "", ""), 765 U_BOOT_CMD_MKENT(list, 1, 1, do_mmc_list, "", ""), 766 U_BOOT_CMD_MKENT(hwpartition, 28, 0, do_mmc_hwpartition, "", ""), 767 #ifdef CONFIG_SUPPORT_EMMC_BOOT 768 U_BOOT_CMD_MKENT(bootbus, 5, 0, do_mmc_bootbus, "", ""), 769 U_BOOT_CMD_MKENT(bootpart-resize, 4, 0, do_mmc_boot_resize, "", ""), 770 U_BOOT_CMD_MKENT(partconf, 5, 0, do_mmc_partconf, "", ""), 771 U_BOOT_CMD_MKENT(rst-function, 3, 0, do_mmc_rst_func, "", ""), 772 #endif 773 #ifdef CONFIG_SUPPORT_EMMC_RPMB 774 U_BOOT_CMD_MKENT(rpmb, CONFIG_SYS_MAXARGS, 1, do_mmcrpmb, "", ""), 775 #endif 776 U_BOOT_CMD_MKENT(setdsr, 2, 0, do_mmc_setdsr, "", ""), 777 #ifdef CONFIG_CMD_BKOPS_ENABLE 778 U_BOOT_CMD_MKENT(bkops-enable, 2, 0, do_mmc_bkops_enable, "", ""), 779 #endif 780 }; 781 782 static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 783 { 784 cmd_tbl_t *cp; 785 786 cp = find_cmd_tbl(argv[1], cmd_mmc, ARRAY_SIZE(cmd_mmc)); 787 788 /* Drop the mmc command */ 789 argc--; 790 argv++; 791 792 if (cp == NULL || argc > cp->maxargs) 793 return CMD_RET_USAGE; 794 if (flag == CMD_FLAG_REPEAT && !cp->repeatable) 795 return CMD_RET_SUCCESS; 796 797 if (curr_device < 0) { 798 if (get_mmc_num() > 0) { 799 curr_device = 0; 800 } else { 801 puts("No MMC device available\n"); 802 return CMD_RET_FAILURE; 803 } 804 } 805 return cp->cmd(cmdtp, flag, argc, argv); 806 } 807 808 U_BOOT_CMD( 809 mmc, 29, 1, do_mmcops, 810 "MMC sub system", 811 "info - display info of the current MMC device\n" 812 "mmc read addr blk# cnt\n" 813 "mmc write addr blk# cnt\n" 814 "mmc erase blk# cnt\n" 815 "mmc rescan\n" 816 "mmc part - lists available partition on current mmc device\n" 817 "mmc dev [dev] [part] - show or set current mmc device [partition]\n" 818 "mmc list - lists available devices\n" 819 "mmc hwpartition [args...] - does hardware partitioning\n" 820 " arguments (sizes in 512-byte blocks):\n" 821 " [user [enh start cnt] [wrrel {on|off}]] - sets user data area attributes\n" 822 " [gp1|gp2|gp3|gp4 cnt [enh] [wrrel {on|off}]] - general purpose partition\n" 823 " [check|set|complete] - mode, complete set partitioning completed\n" 824 " WARNING: Partitioning is a write-once setting once it is set to complete.\n" 825 " Power cycling is required to initialize partitions after set to complete.\n" 826 #ifdef CONFIG_SUPPORT_EMMC_BOOT 827 "mmc bootbus dev boot_bus_width reset_boot_bus_width boot_mode\n" 828 " - Set the BOOT_BUS_WIDTH field of the specified device\n" 829 "mmc bootpart-resize <dev> <boot part size MB> <RPMB part size MB>\n" 830 " - Change sizes of boot and RPMB partitions of specified device\n" 831 "mmc partconf dev boot_ack boot_partition partition_access\n" 832 " - Change the bits of the PARTITION_CONFIG field of the specified device\n" 833 "mmc rst-function dev value\n" 834 " - Change the RST_n_FUNCTION field of the specified device\n" 835 " WARNING: This is a write-once field and 0 / 1 / 2 are the only valid values.\n" 836 #endif 837 #ifdef CONFIG_SUPPORT_EMMC_RPMB 838 "mmc rpmb read addr blk# cnt [address of auth-key] - block size is 256 bytes\n" 839 "mmc rpmb write addr blk# cnt <address of auth-key> - block size is 256 bytes\n" 840 "mmc rpmb key <address of auth-key> - program the RPMB authentication key.\n" 841 "mmc rpmb counter - read the value of the write counter\n" 842 #endif 843 "mmc setdsr <value> - set DSR register value\n" 844 #ifdef CONFIG_CMD_BKOPS_ENABLE 845 "mmc bkops-enable <dev> - enable background operations handshake on device\n" 846 " WARNING: This is a write-once setting.\n" 847 #endif 848 ); 849 850 /* Old command kept for compatibility. Same as 'mmc info' */ 851 U_BOOT_CMD( 852 mmcinfo, 1, 0, do_mmcinfo, 853 "display MMC info", 854 "- display info of the current MMC device" 855 ); 856