3 * Kyle Harris, kharris@nexus-tech.net
5 * SPDX-License-Identifier: GPL-2.0+
12 static int curr_device = -1;
13 #ifndef CONFIG_GENERIC_MMC
14 int do_mmc(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
21 if (strcmp(argv[1], "init") == 0) {
27 } else if (argc == 3) {
28 dev = (int)simple_strtoul(argv[2], NULL, 10);
33 if (mmc_legacy_init(dev) != 0) {
34 puts("No MMC card found\n");
35 return CMD_RET_FAILURE;
39 printf("mmc%d is available\n", curr_device);
40 } else if (strcmp(argv[1], "device") == 0) {
42 if (curr_device < 0) {
43 puts("No MMC device available\n");
44 return CMD_RET_FAILURE;
46 } else if (argc == 3) {
47 dev = (int)simple_strtoul(argv[2], NULL, 10);
49 #ifdef CONFIG_SYS_MMC_SET_DEV
50 if (mmc_set_dev(dev) != 0)
51 return CMD_RET_FAILURE;
58 printf("mmc%d is current device\n", curr_device);
63 return CMD_RET_SUCCESS;
69 "init [dev] - init MMC sub system\n"
70 "mmc device [dev] - show or set current device"
72 #else /* !CONFIG_GENERIC_MMC */
74 static void print_mmcinfo(struct mmc *mmc)
78 printf("Device: %s\n", mmc->cfg->name);
79 printf("Manufacturer ID: %x\n", mmc->cid[0] >> 24);
80 printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xffff);
81 printf("Name: %c%c%c%c%c \n", mmc->cid[0] & 0xff,
82 (mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff,
83 (mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff);
85 printf("Tran Speed: %d\n", mmc->tran_speed);
86 printf("Rd Block Len: %d\n", mmc->read_bl_len);
88 printf("%s version %d.%d", IS_SD(mmc) ? "SD" : "MMC",
89 EXTRACT_SDMMC_MAJOR_VERSION(mmc->version),
90 EXTRACT_SDMMC_MINOR_VERSION(mmc->version));
91 if (EXTRACT_SDMMC_CHANGE_VERSION(mmc->version) != 0)
92 printf(".%d", EXTRACT_SDMMC_CHANGE_VERSION(mmc->version));
95 printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No");
97 print_size(mmc->capacity, "\n");
99 printf("Bus Width: %d-bit%s\n", mmc->bus_width,
100 mmc->ddr_mode ? " DDR" : "");
102 puts("Erase Group Size: ");
103 print_size(((u64)mmc->erase_grp_size) << 9, "\n");
105 if (!IS_SD(mmc) && mmc->version >= MMC_VERSION_4_41) {
106 bool has_enh = (mmc->part_support & ENHNCD_SUPPORT) != 0;
107 bool usr_enh = has_enh && (mmc->part_attr & EXT_CSD_ENH_USR);
109 puts("HC WP Group Size: ");
110 print_size(((u64)mmc->hc_wp_grp_size) << 9, "\n");
112 puts("User Capacity: ");
113 print_size(mmc->capacity_user, usr_enh ? " ENH" : "");
114 if (mmc->wr_rel_set & EXT_CSD_WR_DATA_REL_USR)
119 puts("User Enhanced Start: ");
120 print_size(mmc->enh_user_start, "\n");
121 puts("User Enhanced Size: ");
122 print_size(mmc->enh_user_size, "\n");
124 puts("Boot Capacity: ");
125 print_size(mmc->capacity_boot, has_enh ? " ENH\n" : "\n");
126 puts("RPMB Capacity: ");
127 print_size(mmc->capacity_rpmb, has_enh ? " ENH\n" : "\n");
129 for (i = 0; i < ARRAY_SIZE(mmc->capacity_gp); i++) {
130 bool is_enh = has_enh &&
131 (mmc->part_attr & EXT_CSD_ENH_GP(i));
132 if (mmc->capacity_gp[i]) {
133 printf("GP%i Capacity: ", i+1);
134 print_size(mmc->capacity_gp[i],
135 is_enh ? " ENH" : "");
136 if (mmc->wr_rel_set & EXT_CSD_WR_DATA_REL_GP(i))
145 static struct mmc *init_mmc_device(int dev, bool force_init)
148 mmc = find_mmc_device(dev);
150 printf("no mmc device at slot %x\n", dev);
160 static int do_mmcinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
164 if (curr_device < 0) {
165 if (get_mmc_num() > 0)
168 puts("No MMC device available\n");
169 return CMD_RET_FAILURE;
173 mmc = init_mmc_device(curr_device, false);
175 return CMD_RET_FAILURE;
178 return CMD_RET_SUCCESS;
181 #ifdef CONFIG_SUPPORT_EMMC_RPMB
182 static int confirm_key_prog(void)
184 puts("Warning: Programming authentication key can be done only once !\n"
185 " Use this command only if you are sure of what you are doing,\n"
186 "Really perform the key programming? <y/N> ");
190 puts("Authentication key programming aborted\n");
194 static int do_mmcrpmb_key(cmd_tbl_t *cmdtp, int flag,
195 int argc, char * const argv[])
198 struct mmc *mmc = find_mmc_device(curr_device);
201 return CMD_RET_USAGE;
203 key_addr = (void *)simple_strtoul(argv[1], NULL, 16);
204 if (!confirm_key_prog())
205 return CMD_RET_FAILURE;
206 if (mmc_rpmb_set_key(mmc, key_addr)) {
207 printf("ERROR - Key already programmed ?\n");
208 return CMD_RET_FAILURE;
210 return CMD_RET_SUCCESS;
213 static int do_mmcrpmb_read(cmd_tbl_t *cmdtp, int flag,
214 int argc, char * const argv[])
219 void *key_addr = NULL;
220 struct mmc *mmc = find_mmc_device(curr_device);
223 return CMD_RET_USAGE;
225 addr = (void *)simple_strtoul(argv[1], NULL, 16);
226 blk = simple_strtoul(argv[2], NULL, 16);
227 cnt = simple_strtoul(argv[3], NULL, 16);
230 key_addr = (void *)simple_strtoul(argv[4], NULL, 16);
232 printf("\nMMC RPMB read: dev # %d, block # %d, count %d ... ",
233 curr_device, blk, cnt);
234 n = mmc_rpmb_read(mmc, addr, blk, cnt, key_addr);
236 printf("%d RPMB blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");
238 return CMD_RET_FAILURE;
239 return CMD_RET_SUCCESS;
242 static int do_mmcrpmb_write(cmd_tbl_t *cmdtp, int flag,
243 int argc, char * const argv[])
249 struct mmc *mmc = find_mmc_device(curr_device);
252 return CMD_RET_USAGE;
254 addr = (void *)simple_strtoul(argv[1], NULL, 16);
255 blk = simple_strtoul(argv[2], NULL, 16);
256 cnt = simple_strtoul(argv[3], NULL, 16);
257 key_addr = (void *)simple_strtoul(argv[4], NULL, 16);
259 printf("\nMMC RPMB write: dev # %d, block # %d, count %d ... ",
260 curr_device, blk, cnt);
261 n = mmc_rpmb_write(mmc, addr, blk, cnt, key_addr);
263 printf("%d RPMB blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");
265 return CMD_RET_FAILURE;
266 return CMD_RET_SUCCESS;
269 static int do_mmcrpmb_counter(cmd_tbl_t *cmdtp, int flag,
270 int argc, char * const argv[])
272 unsigned long counter;
273 struct mmc *mmc = find_mmc_device(curr_device);
275 if (mmc_rpmb_get_counter(mmc, &counter))
276 return CMD_RET_FAILURE;
277 printf("RPMB Write counter= %lx\n", counter);
278 return CMD_RET_SUCCESS;
281 static cmd_tbl_t cmd_rpmb[] = {
282 U_BOOT_CMD_MKENT(key, 2, 0, do_mmcrpmb_key, "", ""),
283 U_BOOT_CMD_MKENT(read, 5, 1, do_mmcrpmb_read, "", ""),
284 U_BOOT_CMD_MKENT(write, 5, 0, do_mmcrpmb_write, "", ""),
285 U_BOOT_CMD_MKENT(counter, 1, 1, do_mmcrpmb_counter, "", ""),
288 static int do_mmcrpmb(cmd_tbl_t *cmdtp, int flag,
289 int argc, char * const argv[])
296 cp = find_cmd_tbl(argv[1], cmd_rpmb, ARRAY_SIZE(cmd_rpmb));
298 /* Drop the rpmb subcommand */
302 if (cp == NULL || argc > cp->maxargs)
303 return CMD_RET_USAGE;
304 if (flag == CMD_FLAG_REPEAT && !cp->repeatable)
305 return CMD_RET_SUCCESS;
307 mmc = init_mmc_device(curr_device, false);
309 return CMD_RET_FAILURE;
311 if (!(mmc->version & MMC_VERSION_MMC)) {
312 printf("It is not a EMMC device\n");
313 return CMD_RET_FAILURE;
315 if (mmc->version < MMC_VERSION_4_41) {
316 printf("RPMB not supported before version 4.41\n");
317 return CMD_RET_FAILURE;
319 /* Switch to the RPMB partition */
320 original_part = mmc->part_num;
321 if (mmc->part_num != MMC_PART_RPMB) {
322 if (mmc_switch_part(curr_device, MMC_PART_RPMB) != 0)
323 return CMD_RET_FAILURE;
324 mmc->part_num = MMC_PART_RPMB;
326 ret = cp->cmd(cmdtp, flag, argc, argv);
328 /* Return to original partition */
329 if (mmc->part_num != original_part) {
330 if (mmc_switch_part(curr_device, original_part) != 0)
331 return CMD_RET_FAILURE;
332 mmc->part_num = original_part;
338 static int do_mmc_read(cmd_tbl_t *cmdtp, int flag,
339 int argc, char * const argv[])
346 return CMD_RET_USAGE;
348 addr = (void *)simple_strtoul(argv[1], NULL, 16);
349 blk = simple_strtoul(argv[2], NULL, 16);
350 cnt = simple_strtoul(argv[3], NULL, 16);
352 mmc = init_mmc_device(curr_device, false);
354 return CMD_RET_FAILURE;
356 printf("\nMMC read: dev # %d, block # %d, count %d ... ",
357 curr_device, blk, cnt);
359 n = mmc->block_dev.block_read(curr_device, blk, cnt, addr);
360 /* flush cache after read */
361 flush_cache((ulong)addr, cnt * 512); /* FIXME */
362 printf("%d blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");
364 return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
367 static int do_mmc_write(cmd_tbl_t *cmdtp, int flag,
368 int argc, char * const argv[])
375 return CMD_RET_USAGE;
377 addr = (void *)simple_strtoul(argv[1], NULL, 16);
378 blk = simple_strtoul(argv[2], NULL, 16);
379 cnt = simple_strtoul(argv[3], NULL, 16);
381 mmc = init_mmc_device(curr_device, false);
383 return CMD_RET_FAILURE;
385 printf("\nMMC write: dev # %d, block # %d, count %d ... ",
386 curr_device, blk, cnt);
388 if (mmc_getwp(mmc) == 1) {
389 printf("Error: card is write protected!\n");
390 return CMD_RET_FAILURE;
392 n = mmc->block_dev.block_write(curr_device, blk, cnt, addr);
393 printf("%d blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");
395 return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
398 static int do_mmc_erase(cmd_tbl_t *cmdtp, int flag,
399 int argc, char * const argv[])
405 return CMD_RET_USAGE;
407 blk = simple_strtoul(argv[1], NULL, 16);
408 cnt = simple_strtoul(argv[2], NULL, 16);
410 mmc = init_mmc_device(curr_device, false);
412 return CMD_RET_FAILURE;
414 printf("\nMMC erase: dev # %d, block # %d, count %d ... ",
415 curr_device, blk, cnt);
417 if (mmc_getwp(mmc) == 1) {
418 printf("Error: card is write protected!\n");
419 return CMD_RET_FAILURE;
421 n = mmc->block_dev.block_erase(curr_device, blk, cnt);
422 printf("%d blocks erased: %s\n", n, (n == cnt) ? "OK" : "ERROR");
424 return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
427 static int do_mmc_rescan(cmd_tbl_t *cmdtp, int flag,
428 int argc, char * const argv[])
432 mmc = init_mmc_device(curr_device, true);
434 return CMD_RET_FAILURE;
436 return CMD_RET_SUCCESS;
439 static int do_mmc_part(cmd_tbl_t *cmdtp, int flag,
440 int argc, char * const argv[])
442 block_dev_desc_t *mmc_dev;
445 mmc = init_mmc_device(curr_device, false);
447 return CMD_RET_FAILURE;
449 mmc_dev = mmc_get_dev(curr_device);
450 if (mmc_dev != NULL && mmc_dev->type != DEV_TYPE_UNKNOWN) {
452 return CMD_RET_SUCCESS;
455 puts("get mmc type error!\n");
456 return CMD_RET_FAILURE;
459 static int do_mmc_dev(cmd_tbl_t *cmdtp, int flag,
460 int argc, char * const argv[])
462 int dev, part = 0, ret;
467 } else if (argc == 2) {
468 dev = simple_strtoul(argv[1], NULL, 10);
469 } else if (argc == 3) {
470 dev = (int)simple_strtoul(argv[1], NULL, 10);
471 part = (int)simple_strtoul(argv[2], NULL, 10);
472 if (part > PART_ACCESS_MASK) {
473 printf("#part_num shouldn't be larger than %d\n",
475 return CMD_RET_FAILURE;
478 return CMD_RET_USAGE;
481 mmc = init_mmc_device(dev, true);
483 return CMD_RET_FAILURE;
485 ret = mmc_select_hwpart(dev, part);
486 printf("switch to partitions #%d, %s\n",
487 part, (!ret) ? "OK" : "ERROR");
492 if (mmc->part_config == MMCPART_NOAVAILABLE)
493 printf("mmc%d is current device\n", curr_device);
495 printf("mmc%d(part %d) is current device\n",
496 curr_device, mmc->part_num);
498 return CMD_RET_SUCCESS;
501 static int do_mmc_list(cmd_tbl_t *cmdtp, int flag,
502 int argc, char * const argv[])
504 print_mmc_devices('\n');
505 return CMD_RET_SUCCESS;
508 static int parse_hwpart_user(struct mmc_hwpart_conf *pconf,
509 int argc, char * const argv[])
513 memset(&pconf->user, 0, sizeof(pconf->user));
516 if (!strcmp(argv[i], "enh")) {
519 pconf->user.enh_start =
520 simple_strtoul(argv[i+1], NULL, 10);
521 pconf->user.enh_size =
522 simple_strtoul(argv[i+2], NULL, 10);
524 } else if (!strcmp(argv[i], "wrrel")) {
527 pconf->user.wr_rel_change = 1;
528 if (!strcmp(argv[i+1], "on"))
529 pconf->user.wr_rel_set = 1;
530 else if (!strcmp(argv[i+1], "off"))
531 pconf->user.wr_rel_set = 0;
542 static int parse_hwpart_gp(struct mmc_hwpart_conf *pconf, int pidx,
543 int argc, char * const argv[])
547 memset(&pconf->gp_part[pidx], 0, sizeof(pconf->gp_part[pidx]));
551 pconf->gp_part[pidx].size = simple_strtoul(argv[0], NULL, 10);
555 if (!strcmp(argv[i], "enh")) {
556 pconf->gp_part[pidx].enhanced = 1;
558 } else if (!strcmp(argv[i], "wrrel")) {
561 pconf->gp_part[pidx].wr_rel_change = 1;
562 if (!strcmp(argv[i+1], "on"))
563 pconf->gp_part[pidx].wr_rel_set = 1;
564 else if (!strcmp(argv[i+1], "off"))
565 pconf->gp_part[pidx].wr_rel_set = 0;
576 static int do_mmc_hwpartition(cmd_tbl_t *cmdtp, int flag,
577 int argc, char * const argv[])
580 struct mmc_hwpart_conf pconf = { };
581 enum mmc_hwpart_conf_mode mode = MMC_HWPART_CONF_CHECK;
584 mmc = init_mmc_device(curr_device, false);
586 return CMD_RET_FAILURE;
589 return CMD_RET_USAGE;
592 if (!strcmp(argv[i], "user")) {
594 r = parse_hwpart_user(&pconf, argc-i, &argv[i]);
596 return CMD_RET_USAGE;
598 } else if (!strncmp(argv[i], "gp", 2) &&
599 strlen(argv[i]) == 3 &&
600 argv[i][2] >= '1' && argv[i][2] <= '4') {
601 pidx = argv[i][2] - '1';
603 r = parse_hwpart_gp(&pconf, pidx, argc-i, &argv[i]);
605 return CMD_RET_USAGE;
607 } else if (!strcmp(argv[i], "check")) {
608 mode = MMC_HWPART_CONF_CHECK;
610 } else if (!strcmp(argv[i], "set")) {
611 mode = MMC_HWPART_CONF_SET;
613 } else if (!strcmp(argv[i], "complete")) {
614 mode = MMC_HWPART_CONF_COMPLETE;
617 return CMD_RET_USAGE;
621 puts("Partition configuration:\n");
622 if (pconf.user.enh_size) {
623 puts("\tUser Enhanced Start: ");
624 print_size(((u64)pconf.user.enh_start) << 9, "\n");
625 puts("\tUser Enhanced Size: ");
626 print_size(((u64)pconf.user.enh_size) << 9, "\n");
628 puts("\tNo enhanced user data area\n");
630 if (pconf.user.wr_rel_change)
631 printf("\tUser partition write reliability: %s\n",
632 pconf.user.wr_rel_set ? "on" : "off");
633 for (pidx = 0; pidx < 4; pidx++) {
634 if (pconf.gp_part[pidx].size) {
635 printf("\tGP%i Capacity: ", pidx+1);
636 print_size(((u64)pconf.gp_part[pidx].size) << 9,
637 pconf.gp_part[pidx].enhanced ?
640 printf("\tNo GP%i partition\n", pidx+1);
642 if (pconf.gp_part[pidx].wr_rel_change)
643 printf("\tGP%i write reliability: %s\n", pidx+1,
644 pconf.gp_part[pidx].wr_rel_set ? "on" : "off");
647 if (!mmc_hwpart_config(mmc, &pconf, mode)) {
648 if (mode == MMC_HWPART_CONF_COMPLETE)
649 puts("Partitioning successful, power-cycle to make effective\n");
650 return CMD_RET_SUCCESS;
653 return CMD_RET_FAILURE;
657 #ifdef CONFIG_SUPPORT_EMMC_BOOT
658 static int do_mmc_bootbus(cmd_tbl_t *cmdtp, int flag,
659 int argc, char * const argv[])
663 u8 width, reset, mode;
668 return CMD_RET_USAGE;
670 dev = simple_strtoul(argv[1], &end, 10);
671 if (dev < 0 || dev >= get_mmc_dev_count() || *end != '\0') {
672 printf("Invalid mmc device '%s'; should be [0..%u]\n",
673 argv[1], get_mmc_dev_count() - 1);
674 return CMD_RET_FAILURE;
677 width = simple_strtoul(argv[2], &end, 10);
678 if (width > 2 || *end != '\0') {
679 printf("Invalid boot_bus_width parameter '%s'; expected [0..2]\n",
681 return CMD_RET_FAILURE;
684 reset = simple_strtoul(argv[3], &end, 10);
685 if (reset > 1 || *end != '\0') {
686 printf("Invalid reset_boot_bus_width parameter '%s'; expected 0 or 1\n",
688 return CMD_RET_FAILURE;
690 mode = simple_strtoul(argv[4], &end, 10);
691 if (mode > 2 || *end != '\0') {
692 printf("Invalid boot_mode parameter '%s'; expected [0..2]\n",
694 return CMD_RET_FAILURE;
697 mmc = init_mmc_device(dev, false);
699 printf("Failed to init MMC device %d\n", dev);
700 return CMD_RET_FAILURE;
704 puts("BOOT_BUS_WIDTH only exists on eMMC\n");
705 return CMD_RET_FAILURE;
708 ret = mmc_set_boot_bus_width(mmc, width, reset, mode);
710 printf("Setting boot bus width failed: %d\n", ret);
711 return ret ? CMD_RET_FAILURE : CMD_RET_SUCCESS;
714 static int do_mmc_boot_resize(cmd_tbl_t *cmdtp, int flag,
715 int argc, char * const argv[])
719 u32 bootsize, rpmbsize;
724 return CMD_RET_USAGE;
726 dev = simple_strtoul(argv[1], &end, 10);
727 if (dev < 0 || dev >= get_mmc_dev_count() || *end != '\0') {
728 printf("Invalid mmc device '%s'; should be [0..%u]\n",
729 argv[1], get_mmc_dev_count() - 1);
730 return CMD_RET_FAILURE;
733 bootsize = simple_strtoul(argv[2], &end, 10);
734 if (bootsize > 64 || *end != '\0') {
735 return CMD_RET_FAILURE;
738 rpmbsize = simple_strtoul(argv[3], &end, 10);
739 if (rpmbsize > 64 || *end != '\0') {
740 return CMD_RET_FAILURE;
743 mmc = init_mmc_device(dev, false);
745 return CMD_RET_FAILURE;
748 printf("mmc device %d is not an EMMC device\n", dev);
749 return CMD_RET_FAILURE;
752 ret = mmc_boot_partition_size_change(mmc, bootsize, rpmbsize);
754 printf("EMMC boot partition size change failed: %d\n", ret);
755 return CMD_RET_FAILURE;
758 printf("EMMC boot partition Size %d MB\n", bootsize);
759 printf("EMMC RPMB partition Size %d MB\n", rpmbsize);
760 return CMD_RET_SUCCESS;
763 static int do_mmc_partconf(cmd_tbl_t *cmdtp, int flag,
764 int argc, char * const argv[])
768 u8 ack, part_num, access;
773 return CMD_RET_USAGE;
775 dev = simple_strtoul(argv[1], &end, 10);
776 if (dev < 0 || dev >= get_mmc_dev_count() || *end != '\0') {
777 printf("Invalid mmc device '%s'; should be [0..%u]\n",
778 argv[1], get_mmc_dev_count() - 1);
779 return CMD_RET_FAILURE;
782 ack = simple_strtoul(argv[2], &end, 10);
783 if (ack < 0 || ack > 1 || *end != '\0') {
784 printf("Invalid boot_ack value: %s\n", argv[2]);
785 return CMD_RET_FAILURE;
788 part_num = simple_strtoul(argv[3], &end, 10);
789 if (part_num < 0 || (part_num > 4 && part_num != 7) || *end != '\0') {
790 printf("Invalid part_num: %s\n", argv[3]);
791 return CMD_RET_FAILURE;
794 access = simple_strtoul(argv[4], &end, 10);
795 if (access < 0 || access > 7 || *end != '\0') {
796 printf("Invalid access value: %s\n", argv[4]);
797 return CMD_RET_FAILURE;
800 mmc = init_mmc_device(dev, false);
802 return CMD_RET_FAILURE;
805 puts("PARTITION_CONFIG only exists on eMMC\n");
806 return CMD_RET_FAILURE;
809 /* acknowledge to be sent during boot operation */
810 ret = mmc_set_part_conf(mmc, ack, part_num, access);
812 printf("partconf failed: %d\n", ret);
813 return ret ? CMD_RET_FAILURE : CMD_RET_SUCCESS;
816 static int do_mmc_rst_func(cmd_tbl_t *cmdtp, int flag,
817 int argc, char * const argv[])
825 * Set the RST_n_ENABLE bit of RST_n_FUNCTION
826 * The only valid values are 0x0, 0x1 and 0x2 and writing
827 * a value of 0x1 or 0x2 sets the value permanently.
830 return CMD_RET_USAGE;
832 dev = simple_strtoul(argv[1], &end, 10);
833 if (dev < 0 || dev >= get_mmc_dev_count() || *end != '\0') {
834 printf("Invalid mmc device '%s'; should be [0..%u]\n",
835 argv[1], get_mmc_dev_count() - 1);
836 return CMD_RET_FAILURE;
839 enable = simple_strtoul(argv[2], &end, 10);
841 if (enable > 2 || enable < 0) {
842 puts("Invalid RST_n_ENABLE value\n");
843 return CMD_RET_USAGE;
846 mmc = init_mmc_device(dev, false);
848 return CMD_RET_FAILURE;
851 puts("RST_n_FUNCTION only exists on eMMC\n");
852 return CMD_RET_FAILURE;
855 return mmc_set_rst_n_function(mmc, enable);
859 static int do_mmc_setdsr(cmd_tbl_t *cmdtp, int flag,
860 int argc, char * const argv[])
868 return CMD_RET_USAGE;
869 val = simple_strtoul(argv[2], &end, 16);
870 if (val > 0xffff || *end != '\0') {
871 printf("Invalid DSR value '%s'; expected hex number [0..ffff]\n",
873 return CMD_RET_FAILURE;
876 mmc = find_mmc_device(curr_device);
878 printf("no mmc device at slot %x\n", curr_device);
879 return CMD_RET_FAILURE;
881 ret = mmc_set_dsr(mmc, val);
882 printf("set dsr %s\n", (!ret) ? "OK, force rescan" : "ERROR");
886 return CMD_RET_FAILURE;
888 return CMD_RET_SUCCESS;
893 static cmd_tbl_t cmd_mmc[] = {
894 U_BOOT_CMD_MKENT(info, 1, 0, do_mmcinfo, "", ""),
895 U_BOOT_CMD_MKENT(read, 4, 1, do_mmc_read, "", ""),
896 U_BOOT_CMD_MKENT(write, 4, 0, do_mmc_write, "", ""),
897 U_BOOT_CMD_MKENT(erase, 3, 0, do_mmc_erase, "", ""),
898 U_BOOT_CMD_MKENT(rescan, 1, 1, do_mmc_rescan, "", ""),
899 U_BOOT_CMD_MKENT(part, 1, 1, do_mmc_part, "", ""),
900 U_BOOT_CMD_MKENT(dev, 3, 0, do_mmc_dev, "", ""),
901 U_BOOT_CMD_MKENT(list, 1, 1, do_mmc_list, "", ""),
902 U_BOOT_CMD_MKENT(hwpartition, 28, 0, do_mmc_hwpartition, "", ""),
903 #ifdef CONFIG_SUPPORT_EMMC_BOOT
904 U_BOOT_CMD_MKENT(bootbus, 5, 0, do_mmc_bootbus, "", ""),
905 U_BOOT_CMD_MKENT(bootpart-resize, 4, 0, do_mmc_boot_resize, "", ""),
906 U_BOOT_CMD_MKENT(partconf, 5, 0, do_mmc_partconf, "", ""),
907 U_BOOT_CMD_MKENT(rst-function, 3, 0, do_mmc_rst_func, "", ""),
909 #ifdef CONFIG_SUPPORT_EMMC_RPMB
910 U_BOOT_CMD_MKENT(rpmb, CONFIG_SYS_MAXARGS, 1, do_mmcrpmb, "", ""),
912 U_BOOT_CMD_MKENT(setdsr, 2, 0, do_mmc_setdsr, "", ""),
915 static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
919 cp = find_cmd_tbl(argv[1], cmd_mmc, ARRAY_SIZE(cmd_mmc));
921 /* Drop the mmc command */
925 if (cp == NULL || argc > cp->maxargs)
926 return CMD_RET_USAGE;
927 if (flag == CMD_FLAG_REPEAT && !cp->repeatable)
928 return CMD_RET_SUCCESS;
930 if (curr_device < 0) {
931 if (get_mmc_num() > 0) {
934 puts("No MMC device available\n");
935 return CMD_RET_FAILURE;
938 return cp->cmd(cmdtp, flag, argc, argv);
942 mmc, 29, 1, do_mmcops,
944 "info - display info of the current MMC device\n"
945 "mmc read addr blk# cnt\n"
946 "mmc write addr blk# cnt\n"
947 "mmc erase blk# cnt\n"
949 "mmc part - lists available partition on current mmc device\n"
950 "mmc dev [dev] [part] - show or set current mmc device [partition]\n"
951 "mmc list - lists available devices\n"
952 "mmc hwpartition [args...] - does hardware partitioning\n"
953 " arguments (sizes in 512-byte blocks):\n"
954 " [user [enh start cnt] [wrrel {on|off}]] - sets user data area attributes\n"
955 " [gp1|gp2|gp3|gp4 cnt [enh] [wrrel {on|off}]] - general purpose partition\n"
956 " [check|set|complete] - mode, complete set partitioning completed\n"
957 " WARNING: Partitioning is a write-once setting once it is set to complete.\n"
958 " Power cycling is required to initialize partitions after set to complete.\n"
959 #ifdef CONFIG_SUPPORT_EMMC_BOOT
960 "mmc bootbus dev boot_bus_width reset_boot_bus_width boot_mode\n"
961 " - Set the BOOT_BUS_WIDTH field of the specified device\n"
962 "mmc bootpart-resize <dev> <boot part size MB> <RPMB part size MB>\n"
963 " - Change sizes of boot and RPMB partitions of specified device\n"
964 "mmc partconf dev boot_ack boot_partition partition_access\n"
965 " - Change the bits of the PARTITION_CONFIG field of the specified device\n"
966 "mmc rst-function dev value\n"
967 " - Change the RST_n_FUNCTION field of the specified device\n"
968 " WARNING: This is a write-once field and 0 / 1 / 2 are the only valid values.\n"
970 #ifdef CONFIG_SUPPORT_EMMC_RPMB
971 "mmc rpmb read addr blk# cnt [address of auth-key] - block size is 256 bytes\n"
972 "mmc rpmb write addr blk# cnt <address of auth-key> - block size is 256 bytes\n"
973 "mmc rpmb key <address of auth-key> - program the RPMB authentication key.\n"
974 "mmc rpmb counter - read the value of the write counter\n"
976 "mmc setdsr <value> - set DSR register value\n"
979 /* Old command kept for compatibility. Same as 'mmc info' */
981 mmcinfo, 1, 0, do_mmcinfo,
983 "- display info of the current MMC device"
986 #endif /* !CONFIG_GENERIC_MMC */