1 // SPDX-License-Identifier: GPL-2.0+
4 * Kyle Harris, kharris@nexus-tech.net
11 #include <sparse_format.h>
12 #include <image-sparse.h>
14 static int curr_device = -1;
16 static void print_mmcinfo(struct mmc *mmc)
20 printf("Device: %s\n", mmc->cfg->name);
21 printf("Manufacturer ID: %x\n", mmc->cid[0] >> 24);
22 printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xffff);
23 printf("Name: %c%c%c%c%c \n", mmc->cid[0] & 0xff,
24 (mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff,
25 (mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff);
27 printf("Bus Speed: %d\n", mmc->clock);
28 #if CONFIG_IS_ENABLED(MMC_VERBOSE)
29 printf("Mode: %s\n", mmc_mode_name(mmc->selected_mode));
30 mmc_dump_capabilities("card capabilities", mmc->card_caps);
31 mmc_dump_capabilities("host capabilities", mmc->host_caps);
33 printf("Rd Block Len: %d\n", mmc->read_bl_len);
35 printf("%s version %d.%d", IS_SD(mmc) ? "SD" : "MMC",
36 EXTRACT_SDMMC_MAJOR_VERSION(mmc->version),
37 EXTRACT_SDMMC_MINOR_VERSION(mmc->version));
38 if (EXTRACT_SDMMC_CHANGE_VERSION(mmc->version) != 0)
39 printf(".%d", EXTRACT_SDMMC_CHANGE_VERSION(mmc->version));
42 printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No");
44 print_size(mmc->capacity, "\n");
46 printf("Bus Width: %d-bit%s\n", mmc->bus_width,
47 mmc->ddr_mode ? " DDR" : "");
49 #if CONFIG_IS_ENABLED(MMC_WRITE)
50 puts("Erase Group Size: ");
51 print_size(((u64)mmc->erase_grp_size) << 9, "\n");
54 if (!IS_SD(mmc) && mmc->version >= MMC_VERSION_4_41) {
55 bool has_enh = (mmc->part_support & ENHNCD_SUPPORT) != 0;
56 bool usr_enh = has_enh && (mmc->part_attr & EXT_CSD_ENH_USR);
57 u8 wp, ext_csd[MMC_MAX_BLOCK_LEN];
60 #if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
61 puts("HC WP Group Size: ");
62 print_size(((u64)mmc->hc_wp_grp_size) << 9, "\n");
65 puts("User Capacity: ");
66 print_size(mmc->capacity_user, usr_enh ? " ENH" : "");
67 if (mmc->wr_rel_set & EXT_CSD_WR_DATA_REL_USR)
72 puts("User Enhanced Start: ");
73 print_size(mmc->enh_user_start, "\n");
74 puts("User Enhanced Size: ");
75 print_size(mmc->enh_user_size, "\n");
77 puts("Boot Capacity: ");
78 print_size(mmc->capacity_boot, has_enh ? " ENH\n" : "\n");
79 puts("RPMB Capacity: ");
80 print_size(mmc->capacity_rpmb, has_enh ? " ENH\n" : "\n");
82 for (i = 0; i < ARRAY_SIZE(mmc->capacity_gp); i++) {
83 bool is_enh = has_enh &&
84 (mmc->part_attr & EXT_CSD_ENH_GP(i));
85 if (mmc->capacity_gp[i]) {
86 printf("GP%i Capacity: ", i+1);
87 print_size(mmc->capacity_gp[i],
88 is_enh ? " ENH" : "");
89 if (mmc->wr_rel_set & EXT_CSD_WR_DATA_REL_GP(i))
95 ret = mmc_send_ext_csd(mmc, ext_csd);
98 wp = ext_csd[EXT_CSD_BOOT_WP_STATUS];
99 for (i = 0; i < 2; ++i) {
100 printf("Boot area %d is ", i);
103 printf("not write protected\n");
106 printf("power on protected\n");
109 printf("permanently protected\n");
112 printf("in reserved protection state\n");
119 static struct mmc *init_mmc_device(int dev, bool force_init)
122 mmc = find_mmc_device(dev);
124 printf("no mmc device at slot %x\n", dev);
136 #ifdef CONFIG_BLOCK_CACHE
137 struct blk_desc *bd = mmc_get_blk_desc(mmc);
138 blkcache_invalidate(bd->if_type, bd->devnum);
143 static int do_mmcinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
147 if (curr_device < 0) {
148 if (get_mmc_num() > 0)
151 puts("No MMC device available\n");
156 mmc = init_mmc_device(curr_device, false);
158 return CMD_RET_FAILURE;
161 return CMD_RET_SUCCESS;
164 #if CONFIG_IS_ENABLED(CMD_MMC_RPMB)
165 static int confirm_key_prog(void)
167 puts("Warning: Programming authentication key can be done only once !\n"
168 " Use this command only if you are sure of what you are doing,\n"
169 "Really perform the key programming? <y/N> ");
173 puts("Authentication key programming aborted\n");
176 static int do_mmcrpmb_key(cmd_tbl_t *cmdtp, int flag,
177 int argc, char * const argv[])
180 struct mmc *mmc = find_mmc_device(curr_device);
183 return CMD_RET_USAGE;
185 key_addr = (void *)simple_strtoul(argv[1], NULL, 16);
186 if (!confirm_key_prog())
187 return CMD_RET_FAILURE;
188 if (mmc_rpmb_set_key(mmc, key_addr)) {
189 printf("ERROR - Key already programmed ?\n");
190 return CMD_RET_FAILURE;
192 return CMD_RET_SUCCESS;
194 static int do_mmcrpmb_read(cmd_tbl_t *cmdtp, int flag,
195 int argc, char * const argv[])
200 void *key_addr = NULL;
201 struct mmc *mmc = find_mmc_device(curr_device);
204 return CMD_RET_USAGE;
206 addr = (void *)simple_strtoul(argv[1], NULL, 16);
207 blk = simple_strtoul(argv[2], NULL, 16);
208 cnt = simple_strtoul(argv[3], NULL, 16);
211 key_addr = (void *)simple_strtoul(argv[4], NULL, 16);
213 printf("\nMMC RPMB read: dev # %d, block # %d, count %d ... ",
214 curr_device, blk, cnt);
215 n = mmc_rpmb_read(mmc, addr, blk, cnt, key_addr);
217 printf("%d RPMB blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");
219 return CMD_RET_FAILURE;
220 return CMD_RET_SUCCESS;
222 static int do_mmcrpmb_write(cmd_tbl_t *cmdtp, int flag,
223 int argc, char * const argv[])
229 struct mmc *mmc = find_mmc_device(curr_device);
232 return CMD_RET_USAGE;
234 addr = (void *)simple_strtoul(argv[1], NULL, 16);
235 blk = simple_strtoul(argv[2], NULL, 16);
236 cnt = simple_strtoul(argv[3], NULL, 16);
237 key_addr = (void *)simple_strtoul(argv[4], NULL, 16);
239 printf("\nMMC RPMB write: dev # %d, block # %d, count %d ... ",
240 curr_device, blk, cnt);
241 n = mmc_rpmb_write(mmc, addr, blk, cnt, key_addr);
243 printf("%d RPMB blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");
245 return CMD_RET_FAILURE;
246 return CMD_RET_SUCCESS;
248 static int do_mmcrpmb_counter(cmd_tbl_t *cmdtp, int flag,
249 int argc, char * const argv[])
251 unsigned long counter;
252 struct mmc *mmc = find_mmc_device(curr_device);
254 if (mmc_rpmb_get_counter(mmc, &counter))
255 return CMD_RET_FAILURE;
256 printf("RPMB Write counter= %lx\n", counter);
257 return CMD_RET_SUCCESS;
260 static cmd_tbl_t cmd_rpmb[] = {
261 U_BOOT_CMD_MKENT(key, 2, 0, do_mmcrpmb_key, "", ""),
262 U_BOOT_CMD_MKENT(read, 5, 1, do_mmcrpmb_read, "", ""),
263 U_BOOT_CMD_MKENT(write, 5, 0, do_mmcrpmb_write, "", ""),
264 U_BOOT_CMD_MKENT(counter, 1, 1, do_mmcrpmb_counter, "", ""),
267 static int do_mmcrpmb(cmd_tbl_t *cmdtp, int flag,
268 int argc, char * const argv[])
275 cp = find_cmd_tbl(argv[1], cmd_rpmb, ARRAY_SIZE(cmd_rpmb));
277 /* Drop the rpmb subcommand */
281 if (cp == NULL || argc > cp->maxargs)
282 return CMD_RET_USAGE;
283 if (flag == CMD_FLAG_REPEAT && !cmd_is_repeatable(cp))
284 return CMD_RET_SUCCESS;
286 mmc = init_mmc_device(curr_device, false);
288 return CMD_RET_FAILURE;
290 if (!(mmc->version & MMC_VERSION_MMC)) {
291 printf("It is not an eMMC device\n");
292 return CMD_RET_FAILURE;
294 if (mmc->version < MMC_VERSION_4_41) {
295 printf("RPMB not supported before version 4.41\n");
296 return CMD_RET_FAILURE;
298 /* Switch to the RPMB partition */
300 original_part = mmc->block_dev.hwpart;
302 original_part = mmc_get_blk_desc(mmc)->hwpart;
304 if (blk_select_hwpart_devnum(IF_TYPE_MMC, curr_device, MMC_PART_RPMB) !=
306 return CMD_RET_FAILURE;
307 ret = cp->cmd(cmdtp, flag, argc, argv);
309 /* Return to original partition */
310 if (blk_select_hwpart_devnum(IF_TYPE_MMC, curr_device, original_part) !=
312 return CMD_RET_FAILURE;
317 static int do_mmc_read(cmd_tbl_t *cmdtp, int flag,
318 int argc, char * const argv[])
325 return CMD_RET_USAGE;
327 addr = (void *)simple_strtoul(argv[1], NULL, 16);
328 blk = simple_strtoul(argv[2], NULL, 16);
329 cnt = simple_strtoul(argv[3], NULL, 16);
331 mmc = init_mmc_device(curr_device, false);
333 return CMD_RET_FAILURE;
335 printf("\nMMC read: dev # %d, block # %d, count %d ... ",
336 curr_device, blk, cnt);
338 n = blk_dread(mmc_get_blk_desc(mmc), blk, cnt, addr);
339 printf("%d blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");
341 return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
344 #if CONFIG_IS_ENABLED(CMD_MMC_SWRITE)
345 static lbaint_t mmc_sparse_write(struct sparse_storage *info, lbaint_t blk,
346 lbaint_t blkcnt, const void *buffer)
348 struct blk_desc *dev_desc = info->priv;
350 return blk_dwrite(dev_desc, blk, blkcnt, buffer);
353 static lbaint_t mmc_sparse_reserve(struct sparse_storage *info,
354 lbaint_t blk, lbaint_t blkcnt)
359 static int do_mmc_sparse_write(cmd_tbl_t *cmdtp, int flag,
360 int argc, char * const argv[])
362 struct sparse_storage sparse;
363 struct blk_desc *dev_desc;
370 return CMD_RET_USAGE;
372 addr = (void *)simple_strtoul(argv[1], NULL, 16);
373 blk = simple_strtoul(argv[2], NULL, 16);
375 if (!is_sparse_image(addr)) {
376 printf("Not a sparse image\n");
377 return CMD_RET_FAILURE;
380 mmc = init_mmc_device(curr_device, false);
382 return CMD_RET_FAILURE;
384 printf("\nMMC Sparse write: dev # %d, block # %d ... ",
387 if (mmc_getwp(mmc) == 1) {
388 printf("Error: card is write protected!\n");
389 return CMD_RET_FAILURE;
392 dev_desc = mmc_get_blk_desc(mmc);
393 sparse.priv = dev_desc;
396 sparse.size = dev_desc->lba - blk;
397 sparse.write = mmc_sparse_write;
398 sparse.reserve = mmc_sparse_reserve;
400 sprintf(dest, "0x" LBAF, sparse.start * sparse.blksz);
402 if (write_sparse_image(&sparse, dest, addr, NULL))
403 return CMD_RET_FAILURE;
405 return CMD_RET_SUCCESS;
409 #if CONFIG_IS_ENABLED(MMC_WRITE)
410 static int do_mmc_write(cmd_tbl_t *cmdtp, int flag,
411 int argc, char * const argv[])
418 return CMD_RET_USAGE;
420 addr = (void *)simple_strtoul(argv[1], NULL, 16);
421 blk = simple_strtoul(argv[2], NULL, 16);
422 cnt = simple_strtoul(argv[3], NULL, 16);
424 mmc = init_mmc_device(curr_device, false);
426 return CMD_RET_FAILURE;
428 printf("\nMMC write: dev # %d, block # %d, count %d ... ",
429 curr_device, blk, cnt);
431 if (mmc_getwp(mmc) == 1) {
432 printf("Error: card is write protected!\n");
433 return CMD_RET_FAILURE;
435 n = blk_dwrite(mmc_get_blk_desc(mmc), blk, cnt, addr);
436 printf("%d blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");
438 return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
440 static int do_mmc_erase(cmd_tbl_t *cmdtp, int flag,
441 int argc, char * const argv[])
447 return CMD_RET_USAGE;
449 blk = simple_strtoul(argv[1], NULL, 16);
450 cnt = simple_strtoul(argv[2], NULL, 16);
452 mmc = init_mmc_device(curr_device, false);
454 return CMD_RET_FAILURE;
456 printf("\nMMC erase: dev # %d, block # %d, count %d ... ",
457 curr_device, blk, cnt);
459 if (mmc_getwp(mmc) == 1) {
460 printf("Error: card is write protected!\n");
461 return CMD_RET_FAILURE;
463 n = blk_derase(mmc_get_blk_desc(mmc), blk, cnt);
464 printf("%d blocks erased: %s\n", n, (n == cnt) ? "OK" : "ERROR");
466 return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
470 static int do_mmc_rescan(cmd_tbl_t *cmdtp, int flag,
471 int argc, char * const argv[])
475 mmc = init_mmc_device(curr_device, true);
477 return CMD_RET_FAILURE;
479 return CMD_RET_SUCCESS;
481 static int do_mmc_part(cmd_tbl_t *cmdtp, int flag,
482 int argc, char * const argv[])
484 struct blk_desc *mmc_dev;
487 mmc = init_mmc_device(curr_device, false);
489 return CMD_RET_FAILURE;
491 mmc_dev = blk_get_devnum_by_type(IF_TYPE_MMC, curr_device);
492 if (mmc_dev != NULL && mmc_dev->type != DEV_TYPE_UNKNOWN) {
494 return CMD_RET_SUCCESS;
497 puts("get mmc type error!\n");
498 return CMD_RET_FAILURE;
500 static int do_mmc_dev(cmd_tbl_t *cmdtp, int flag,
501 int argc, char * const argv[])
503 int dev, part = 0, ret;
508 } else if (argc == 2) {
509 dev = simple_strtoul(argv[1], NULL, 10);
510 } else if (argc == 3) {
511 dev = (int)simple_strtoul(argv[1], NULL, 10);
512 part = (int)simple_strtoul(argv[2], NULL, 10);
513 if (part > PART_ACCESS_MASK) {
514 printf("#part_num shouldn't be larger than %d\n",
516 return CMD_RET_FAILURE;
519 return CMD_RET_USAGE;
522 mmc = init_mmc_device(dev, true);
524 return CMD_RET_FAILURE;
526 ret = blk_select_hwpart_devnum(IF_TYPE_MMC, dev, part);
527 printf("switch to partitions #%d, %s\n",
528 part, (!ret) ? "OK" : "ERROR");
533 if (mmc->part_config == MMCPART_NOAVAILABLE)
534 printf("mmc%d is current device\n", curr_device);
536 printf("mmc%d(part %d) is current device\n",
537 curr_device, mmc_get_blk_desc(mmc)->hwpart);
539 return CMD_RET_SUCCESS;
541 static int do_mmc_list(cmd_tbl_t *cmdtp, int flag,
542 int argc, char * const argv[])
544 print_mmc_devices('\n');
545 return CMD_RET_SUCCESS;
548 #if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
549 static int parse_hwpart_user(struct mmc_hwpart_conf *pconf,
550 int argc, char * const argv[])
554 memset(&pconf->user, 0, sizeof(pconf->user));
557 if (!strcmp(argv[i], "enh")) {
560 pconf->user.enh_start =
561 simple_strtoul(argv[i+1], NULL, 10);
562 pconf->user.enh_size =
563 simple_strtoul(argv[i+2], NULL, 10);
565 } else if (!strcmp(argv[i], "wrrel")) {
568 pconf->user.wr_rel_change = 1;
569 if (!strcmp(argv[i+1], "on"))
570 pconf->user.wr_rel_set = 1;
571 else if (!strcmp(argv[i+1], "off"))
572 pconf->user.wr_rel_set = 0;
583 static int parse_hwpart_gp(struct mmc_hwpart_conf *pconf, int pidx,
584 int argc, char * const argv[])
588 memset(&pconf->gp_part[pidx], 0, sizeof(pconf->gp_part[pidx]));
592 pconf->gp_part[pidx].size = simple_strtoul(argv[0], NULL, 10);
596 if (!strcmp(argv[i], "enh")) {
597 pconf->gp_part[pidx].enhanced = 1;
599 } else if (!strcmp(argv[i], "wrrel")) {
602 pconf->gp_part[pidx].wr_rel_change = 1;
603 if (!strcmp(argv[i+1], "on"))
604 pconf->gp_part[pidx].wr_rel_set = 1;
605 else if (!strcmp(argv[i+1], "off"))
606 pconf->gp_part[pidx].wr_rel_set = 0;
617 static int do_mmc_hwpartition(cmd_tbl_t *cmdtp, int flag,
618 int argc, char * const argv[])
621 struct mmc_hwpart_conf pconf = { };
622 enum mmc_hwpart_conf_mode mode = MMC_HWPART_CONF_CHECK;
625 mmc = init_mmc_device(curr_device, false);
627 return CMD_RET_FAILURE;
630 return CMD_RET_USAGE;
633 if (!strcmp(argv[i], "user")) {
635 r = parse_hwpart_user(&pconf, argc-i, &argv[i]);
637 return CMD_RET_USAGE;
639 } else if (!strncmp(argv[i], "gp", 2) &&
640 strlen(argv[i]) == 3 &&
641 argv[i][2] >= '1' && argv[i][2] <= '4') {
642 pidx = argv[i][2] - '1';
644 r = parse_hwpart_gp(&pconf, pidx, argc-i, &argv[i]);
646 return CMD_RET_USAGE;
648 } else if (!strcmp(argv[i], "check")) {
649 mode = MMC_HWPART_CONF_CHECK;
651 } else if (!strcmp(argv[i], "set")) {
652 mode = MMC_HWPART_CONF_SET;
654 } else if (!strcmp(argv[i], "complete")) {
655 mode = MMC_HWPART_CONF_COMPLETE;
658 return CMD_RET_USAGE;
662 puts("Partition configuration:\n");
663 if (pconf.user.enh_size) {
664 puts("\tUser Enhanced Start: ");
665 print_size(((u64)pconf.user.enh_start) << 9, "\n");
666 puts("\tUser Enhanced Size: ");
667 print_size(((u64)pconf.user.enh_size) << 9, "\n");
669 puts("\tNo enhanced user data area\n");
671 if (pconf.user.wr_rel_change)
672 printf("\tUser partition write reliability: %s\n",
673 pconf.user.wr_rel_set ? "on" : "off");
674 for (pidx = 0; pidx < 4; pidx++) {
675 if (pconf.gp_part[pidx].size) {
676 printf("\tGP%i Capacity: ", pidx+1);
677 print_size(((u64)pconf.gp_part[pidx].size) << 9,
678 pconf.gp_part[pidx].enhanced ?
681 printf("\tNo GP%i partition\n", pidx+1);
683 if (pconf.gp_part[pidx].wr_rel_change)
684 printf("\tGP%i write reliability: %s\n", pidx+1,
685 pconf.gp_part[pidx].wr_rel_set ? "on" : "off");
688 if (!mmc_hwpart_config(mmc, &pconf, mode)) {
689 if (mode == MMC_HWPART_CONF_COMPLETE)
690 puts("Partitioning successful, "
691 "power-cycle to make effective\n");
692 return CMD_RET_SUCCESS;
695 return CMD_RET_FAILURE;
700 #ifdef CONFIG_SUPPORT_EMMC_BOOT
701 static int do_mmc_bootbus(cmd_tbl_t *cmdtp, int flag,
702 int argc, char * const argv[])
706 u8 width, reset, mode;
709 return CMD_RET_USAGE;
710 dev = simple_strtoul(argv[1], NULL, 10);
711 width = simple_strtoul(argv[2], NULL, 10);
712 reset = simple_strtoul(argv[3], NULL, 10);
713 mode = simple_strtoul(argv[4], NULL, 10);
715 mmc = init_mmc_device(dev, false);
717 return CMD_RET_FAILURE;
720 puts("BOOT_BUS_WIDTH only exists on eMMC\n");
721 return CMD_RET_FAILURE;
724 /* acknowledge to be sent during boot operation */
725 return mmc_set_boot_bus_width(mmc, width, reset, mode);
727 static int do_mmc_boot_resize(cmd_tbl_t *cmdtp, int flag,
728 int argc, char * const argv[])
732 u32 bootsize, rpmbsize;
735 return CMD_RET_USAGE;
736 dev = simple_strtoul(argv[1], NULL, 10);
737 bootsize = simple_strtoul(argv[2], NULL, 10);
738 rpmbsize = simple_strtoul(argv[3], NULL, 10);
740 mmc = init_mmc_device(dev, false);
742 return CMD_RET_FAILURE;
745 printf("It is not an eMMC device\n");
746 return CMD_RET_FAILURE;
749 if (mmc_boot_partition_size_change(mmc, bootsize, rpmbsize)) {
750 printf("EMMC boot partition Size change Failed.\n");
751 return CMD_RET_FAILURE;
754 printf("EMMC boot partition Size %d MB\n", bootsize);
755 printf("EMMC RPMB partition Size %d MB\n", rpmbsize);
756 return CMD_RET_SUCCESS;
759 static int mmc_partconf_print(struct mmc *mmc)
761 u8 ack, access, part;
763 if (mmc->part_config == MMCPART_NOAVAILABLE) {
764 printf("No part_config info for ver. 0x%x\n", mmc->version);
765 return CMD_RET_FAILURE;
768 access = EXT_CSD_EXTRACT_PARTITION_ACCESS(mmc->part_config);
769 ack = EXT_CSD_EXTRACT_BOOT_ACK(mmc->part_config);
770 part = EXT_CSD_EXTRACT_BOOT_PART(mmc->part_config);
772 printf("EXT_CSD[179], PARTITION_CONFIG:\n"
774 "BOOT_PARTITION_ENABLE: 0x%x\n"
775 "PARTITION_ACCESS: 0x%x\n", ack, part, access);
777 return CMD_RET_SUCCESS;
780 static int do_mmc_partconf(cmd_tbl_t *cmdtp, int flag,
781 int argc, char * const argv[])
785 u8 ack, part_num, access;
787 if (argc != 2 && argc != 5)
788 return CMD_RET_USAGE;
790 dev = simple_strtoul(argv[1], NULL, 10);
792 mmc = init_mmc_device(dev, false);
794 return CMD_RET_FAILURE;
797 puts("PARTITION_CONFIG only exists on eMMC\n");
798 return CMD_RET_FAILURE;
802 return mmc_partconf_print(mmc);
804 ack = simple_strtoul(argv[2], NULL, 10);
805 part_num = simple_strtoul(argv[3], NULL, 10);
806 access = simple_strtoul(argv[4], NULL, 10);
808 /* acknowledge to be sent during boot operation */
809 return mmc_set_part_conf(mmc, ack, part_num, access);
811 static int do_mmc_rst_func(cmd_tbl_t *cmdtp, int flag,
812 int argc, char * const argv[])
819 * Set the RST_n_ENABLE bit of RST_n_FUNCTION
820 * The only valid values are 0x0, 0x1 and 0x2 and writing
821 * a value of 0x1 or 0x2 sets the value permanently.
824 return CMD_RET_USAGE;
826 dev = simple_strtoul(argv[1], NULL, 10);
827 enable = simple_strtoul(argv[2], NULL, 10);
830 puts("Invalid RST_n_ENABLE value\n");
831 return CMD_RET_USAGE;
834 mmc = init_mmc_device(dev, false);
836 return CMD_RET_FAILURE;
839 puts("RST_n_FUNCTION only exists on eMMC\n");
840 return CMD_RET_FAILURE;
843 return mmc_set_rst_n_function(mmc, enable);
846 static int do_mmc_setdsr(cmd_tbl_t *cmdtp, int flag,
847 int argc, char * const argv[])
854 return CMD_RET_USAGE;
855 val = simple_strtoul(argv[1], NULL, 16);
857 mmc = find_mmc_device(curr_device);
859 printf("no mmc device at slot %x\n", curr_device);
860 return CMD_RET_FAILURE;
862 ret = mmc_set_dsr(mmc, val);
863 printf("set dsr %s\n", (!ret) ? "OK, force rescan" : "ERROR");
867 return CMD_RET_FAILURE;
869 return CMD_RET_SUCCESS;
874 #ifdef CONFIG_CMD_BKOPS_ENABLE
875 static int do_mmc_bkops_enable(cmd_tbl_t *cmdtp, int flag,
876 int argc, char * const argv[])
882 return CMD_RET_USAGE;
884 dev = simple_strtoul(argv[1], NULL, 10);
886 mmc = init_mmc_device(dev, false);
888 return CMD_RET_FAILURE;
891 puts("BKOPS_EN only exists on eMMC\n");
892 return CMD_RET_FAILURE;
895 return mmc_set_bkops_enable(mmc);
899 static int do_mmc_boot_wp(cmd_tbl_t *cmdtp, int flag,
900 int argc, char * const argv[])
905 mmc = init_mmc_device(curr_device, false);
907 return CMD_RET_FAILURE;
909 printf("It is not an eMMC device\n");
910 return CMD_RET_FAILURE;
912 err = mmc_boot_wp(mmc);
914 return CMD_RET_FAILURE;
915 printf("boot areas protected\n");
916 return CMD_RET_SUCCESS;
919 static cmd_tbl_t cmd_mmc[] = {
920 U_BOOT_CMD_MKENT(info, 1, 0, do_mmcinfo, "", ""),
921 U_BOOT_CMD_MKENT(read, 4, 1, do_mmc_read, "", ""),
922 U_BOOT_CMD_MKENT(wp, 1, 0, do_mmc_boot_wp, "", ""),
923 #if CONFIG_IS_ENABLED(MMC_WRITE)
924 U_BOOT_CMD_MKENT(write, 4, 0, do_mmc_write, "", ""),
925 U_BOOT_CMD_MKENT(erase, 3, 0, do_mmc_erase, "", ""),
927 #if CONFIG_IS_ENABLED(CMD_MMC_SWRITE)
928 U_BOOT_CMD_MKENT(swrite, 3, 0, do_mmc_sparse_write, "", ""),
930 U_BOOT_CMD_MKENT(rescan, 1, 1, do_mmc_rescan, "", ""),
931 U_BOOT_CMD_MKENT(part, 1, 1, do_mmc_part, "", ""),
932 U_BOOT_CMD_MKENT(dev, 3, 0, do_mmc_dev, "", ""),
933 U_BOOT_CMD_MKENT(list, 1, 1, do_mmc_list, "", ""),
934 #if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
935 U_BOOT_CMD_MKENT(hwpartition, 28, 0, do_mmc_hwpartition, "", ""),
937 #ifdef CONFIG_SUPPORT_EMMC_BOOT
938 U_BOOT_CMD_MKENT(bootbus, 5, 0, do_mmc_bootbus, "", ""),
939 U_BOOT_CMD_MKENT(bootpart-resize, 4, 0, do_mmc_boot_resize, "", ""),
940 U_BOOT_CMD_MKENT(partconf, 5, 0, do_mmc_partconf, "", ""),
941 U_BOOT_CMD_MKENT(rst-function, 3, 0, do_mmc_rst_func, "", ""),
943 #if CONFIG_IS_ENABLED(CMD_MMC_RPMB)
944 U_BOOT_CMD_MKENT(rpmb, CONFIG_SYS_MAXARGS, 1, do_mmcrpmb, "", ""),
946 U_BOOT_CMD_MKENT(setdsr, 2, 0, do_mmc_setdsr, "", ""),
947 #ifdef CONFIG_CMD_BKOPS_ENABLE
948 U_BOOT_CMD_MKENT(bkops-enable, 2, 0, do_mmc_bkops_enable, "", ""),
952 static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
956 cp = find_cmd_tbl(argv[1], cmd_mmc, ARRAY_SIZE(cmd_mmc));
958 /* Drop the mmc command */
962 if (cp == NULL || argc > cp->maxargs)
963 return CMD_RET_USAGE;
964 if (flag == CMD_FLAG_REPEAT && !cmd_is_repeatable(cp))
965 return CMD_RET_SUCCESS;
967 if (curr_device < 0) {
968 if (get_mmc_num() > 0) {
971 puts("No MMC device available\n");
972 return CMD_RET_FAILURE;
975 return cp->cmd(cmdtp, flag, argc, argv);
979 mmc, 29, 1, do_mmcops,
981 "info - display info of the current MMC device\n"
982 "mmc read addr blk# cnt\n"
983 "mmc write addr blk# cnt\n"
984 #if CONFIG_IS_ENABLED(CMD_MMC_SWRITE)
985 "mmc swrite addr blk#\n"
987 "mmc erase blk# cnt\n"
989 "mmc part - lists available partition on current mmc device\n"
990 "mmc dev [dev] [part] - show or set current mmc device [partition]\n"
991 "mmc list - lists available devices\n"
992 "mmc wp - power on write protect booot partitions\n"
993 #if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
994 "mmc hwpartition [args...] - does hardware partitioning\n"
995 " arguments (sizes in 512-byte blocks):\n"
996 " [user [enh start cnt] [wrrel {on|off}]] - sets user data area attributes\n"
997 " [gp1|gp2|gp3|gp4 cnt [enh] [wrrel {on|off}]] - general purpose partition\n"
998 " [check|set|complete] - mode, complete set partitioning completed\n"
999 " WARNING: Partitioning is a write-once setting once it is set to complete.\n"
1000 " Power cycling is required to initialize partitions after set to complete.\n"
1002 #ifdef CONFIG_SUPPORT_EMMC_BOOT
1003 "mmc bootbus dev boot_bus_width reset_boot_bus_width boot_mode\n"
1004 " - Set the BOOT_BUS_WIDTH field of the specified device\n"
1005 "mmc bootpart-resize <dev> <boot part size MB> <RPMB part size MB>\n"
1006 " - Change sizes of boot and RPMB partitions of specified device\n"
1007 "mmc partconf dev [boot_ack boot_partition partition_access]\n"
1008 " - Show or change the bits of the PARTITION_CONFIG field of the specified device\n"
1009 "mmc rst-function dev value\n"
1010 " - Change the RST_n_FUNCTION field of the specified device\n"
1011 " WARNING: This is a write-once field and 0 / 1 / 2 are the only valid values.\n"
1013 #if CONFIG_IS_ENABLED(CMD_MMC_RPMB)
1014 "mmc rpmb read addr blk# cnt [address of auth-key] - block size is 256 bytes\n"
1015 "mmc rpmb write addr blk# cnt <address of auth-key> - block size is 256 bytes\n"
1016 "mmc rpmb key <address of auth-key> - program the RPMB authentication key.\n"
1017 "mmc rpmb counter - read the value of the write counter\n"
1019 "mmc setdsr <value> - set DSR register value\n"
1020 #ifdef CONFIG_CMD_BKOPS_ENABLE
1021 "mmc bkops-enable <dev> - enable background operations handshake on device\n"
1022 " WARNING: This is a write-once setting.\n"
1026 /* Old command kept for compatibility. Same as 'mmc info' */
1028 mmcinfo, 1, 0, do_mmcinfo,
1030 "- display info of the current MMC device"