3 * Kyle Harris, kharris@nexus-tech.net
5 * SPDX-License-Identifier: GPL-2.0+
13 static int curr_device = -1;
14 #ifndef CONFIG_GENERIC_MMC
15 int do_mmc (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
22 if (strcmp(argv[1], "init") == 0) {
28 } else if (argc == 3) {
29 dev = (int)simple_strtoul(argv[2], NULL, 10);
34 if (mmc_legacy_init(dev) != 0) {
35 puts("No MMC card found\n");
40 printf("mmc%d is available\n", curr_device);
41 } else if (strcmp(argv[1], "device") == 0) {
43 if (curr_device < 0) {
44 puts("No MMC device available\n");
47 } else if (argc == 3) {
48 dev = (int)simple_strtoul(argv[2], NULL, 10);
50 #ifdef CONFIG_SYS_MMC_SET_DEV
51 if (mmc_set_dev(dev) != 0)
59 printf("mmc%d is current device\n", curr_device);
70 "init [dev] - init MMC sub system\n"
71 "mmc device [dev] - show or set current device"
73 #else /* !CONFIG_GENERIC_MMC */
75 static void print_mmcinfo(struct mmc *mmc)
79 printf("Device: %s\n", mmc->cfg->name);
80 printf("Manufacturer ID: %x\n", mmc->cid[0] >> 24);
81 printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xffff);
82 printf("Name: %c%c%c%c%c \n", mmc->cid[0] & 0xff,
83 (mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff,
84 (mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff);
86 printf("Tran Speed: %d\n", mmc->tran_speed);
87 printf("Rd Block Len: %d\n", mmc->read_bl_len);
89 printf("%s version %d.%d", IS_SD(mmc) ? "SD" : "MMC",
90 EXTRACT_SDMMC_MAJOR_VERSION(mmc->version),
91 EXTRACT_SDMMC_MINOR_VERSION(mmc->version));
92 if (EXTRACT_SDMMC_CHANGE_VERSION(mmc->version) != 0)
93 printf(".%d", EXTRACT_SDMMC_CHANGE_VERSION(mmc->version));
96 printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No");
98 print_size(mmc->capacity, "\n");
100 printf("Bus Width: %d-bit%s\n", mmc->bus_width,
101 mmc->ddr_mode ? " DDR" : "");
103 puts("Erase Group Size: ");
104 print_size(((u64)mmc->erase_grp_size) << 9, "\n");
106 if (!IS_SD(mmc) && mmc->version >= MMC_VERSION_4_41) {
107 bool has_enh = (mmc->part_support & ENHNCD_SUPPORT) != 0;
108 bool usr_enh = has_enh && (mmc->part_attr & EXT_CSD_ENH_USR);
110 puts("HC WP Group Size: ");
111 print_size(((u64)mmc->hc_wp_grp_size) << 9, "\n");
113 puts("User Capacity: ");
114 print_size(mmc->capacity_user, usr_enh ? " ENH" : "");
115 if (mmc->wr_rel_set & EXT_CSD_WR_DATA_REL_USR)
120 puts("User Enhanced Start: ");
121 print_size(mmc->enh_user_start, "\n");
122 puts("User Enhanced Size: ");
123 print_size(mmc->enh_user_size, "\n");
125 puts("Boot Capacity: ");
126 print_size(mmc->capacity_boot, has_enh ? " ENH\n" : "\n");
127 puts("RPMB Capacity: ");
128 print_size(mmc->capacity_rpmb, has_enh ? " ENH\n" : "\n");
130 for (i = 0; i < ARRAY_SIZE(mmc->capacity_gp); i++) {
131 bool is_enh = has_enh &&
132 (mmc->part_attr & EXT_CSD_ENH_GP(i));
133 if (mmc->capacity_gp[i]) {
134 printf("GP%i Capacity: ", i+1);
135 print_size(mmc->capacity_gp[i],
136 is_enh ? " ENH" : "");
137 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);
159 static int do_mmcinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
163 if (curr_device < 0) {
164 if (get_mmc_num() > 0)
167 puts("No MMC device available\n");
172 mmc = init_mmc_device(curr_device, false);
174 return CMD_RET_FAILURE;
177 return CMD_RET_SUCCESS;
180 #ifdef CONFIG_SUPPORT_EMMC_RPMB
181 static int confirm_key_prog(void)
183 puts("Warning: Programming authentication key can be done only once !\n"
184 " Use this command only if you are sure of what you are doing,\n"
185 "Really perform the key programming? <y/N> ");
189 puts("Authentication key programming aborted\n");
192 static int do_mmcrpmb_key(cmd_tbl_t *cmdtp, int flag,
193 int argc, char * const argv[])
196 struct mmc *mmc = find_mmc_device(curr_device);
199 return CMD_RET_USAGE;
201 key_addr = (void *)simple_strtoul(argv[1], NULL, 16);
202 if (!confirm_key_prog())
203 return CMD_RET_FAILURE;
204 if (mmc_rpmb_set_key(mmc, key_addr)) {
205 printf("ERROR - Key already programmed ?\n");
206 return CMD_RET_FAILURE;
208 return CMD_RET_SUCCESS;
210 static int do_mmcrpmb_read(cmd_tbl_t *cmdtp, int flag,
211 int argc, char * const argv[])
216 void *key_addr = NULL;
217 struct mmc *mmc = find_mmc_device(curr_device);
220 return CMD_RET_USAGE;
222 addr = (void *)simple_strtoul(argv[1], NULL, 16);
223 blk = simple_strtoul(argv[2], NULL, 16);
224 cnt = simple_strtoul(argv[3], NULL, 16);
227 key_addr = (void *)simple_strtoul(argv[4], NULL, 16);
229 printf("\nMMC RPMB read: dev # %d, block # %d, count %d ... ",
230 curr_device, blk, cnt);
231 n = mmc_rpmb_read(mmc, addr, blk, cnt, key_addr);
233 printf("%d RPMB blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");
235 return CMD_RET_FAILURE;
236 return CMD_RET_SUCCESS;
238 static int do_mmcrpmb_write(cmd_tbl_t *cmdtp, int flag,
239 int argc, char * const argv[])
245 struct mmc *mmc = find_mmc_device(curr_device);
248 return CMD_RET_USAGE;
250 addr = (void *)simple_strtoul(argv[1], NULL, 16);
251 blk = simple_strtoul(argv[2], NULL, 16);
252 cnt = simple_strtoul(argv[3], NULL, 16);
253 key_addr = (void *)simple_strtoul(argv[4], NULL, 16);
255 printf("\nMMC RPMB write: dev # %d, block # %d, count %d ... ",
256 curr_device, blk, cnt);
257 n = mmc_rpmb_write(mmc, addr, blk, cnt, key_addr);
259 printf("%d RPMB blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");
261 return CMD_RET_FAILURE;
262 return CMD_RET_SUCCESS;
264 static int do_mmcrpmb_counter(cmd_tbl_t *cmdtp, int flag,
265 int argc, char * const argv[])
267 unsigned long counter;
268 struct mmc *mmc = find_mmc_device(curr_device);
270 if (mmc_rpmb_get_counter(mmc, &counter))
271 return CMD_RET_FAILURE;
272 printf("RPMB Write counter= %lx\n", counter);
273 return CMD_RET_SUCCESS;
276 static cmd_tbl_t cmd_rpmb[] = {
277 U_BOOT_CMD_MKENT(key, 2, 0, do_mmcrpmb_key, "", ""),
278 U_BOOT_CMD_MKENT(read, 5, 1, do_mmcrpmb_read, "", ""),
279 U_BOOT_CMD_MKENT(write, 5, 0, do_mmcrpmb_write, "", ""),
280 U_BOOT_CMD_MKENT(counter, 1, 1, do_mmcrpmb_counter, "", ""),
283 static int do_mmcrpmb(cmd_tbl_t *cmdtp, int flag,
284 int argc, char * const argv[])
291 cp = find_cmd_tbl(argv[1], cmd_rpmb, ARRAY_SIZE(cmd_rpmb));
293 /* Drop the rpmb subcommand */
297 if (cp == NULL || argc > cp->maxargs)
298 return CMD_RET_USAGE;
299 if (flag == CMD_FLAG_REPEAT && !cp->repeatable)
300 return CMD_RET_SUCCESS;
302 mmc = init_mmc_device(curr_device, false);
304 return CMD_RET_FAILURE;
306 if (!(mmc->version & MMC_VERSION_MMC)) {
307 printf("It is not a EMMC device\n");
308 return CMD_RET_FAILURE;
310 if (mmc->version < MMC_VERSION_4_41) {
311 printf("RPMB not supported before version 4.41\n");
312 return CMD_RET_FAILURE;
314 /* Switch to the RPMB partition */
315 original_part = mmc->part_num;
316 if (mmc->part_num != MMC_PART_RPMB) {
317 if (mmc_switch_part(curr_device, MMC_PART_RPMB) != 0)
318 return CMD_RET_FAILURE;
319 mmc->part_num = MMC_PART_RPMB;
321 ret = cp->cmd(cmdtp, flag, argc, argv);
323 /* Return to original partition */
324 if (mmc->part_num != original_part) {
325 if (mmc_switch_part(curr_device, original_part) != 0)
326 return CMD_RET_FAILURE;
327 mmc->part_num = original_part;
333 static int do_mmc_read(cmd_tbl_t *cmdtp, int flag,
334 int argc, char * const argv[])
341 return CMD_RET_USAGE;
343 addr = (void *)simple_strtoul(argv[1], NULL, 16);
344 blk = simple_strtoul(argv[2], NULL, 16);
345 cnt = simple_strtoul(argv[3], NULL, 16);
347 mmc = init_mmc_device(curr_device, false);
349 return CMD_RET_FAILURE;
351 printf("\nMMC read: dev # %d, block # %d, count %d ... ",
352 curr_device, blk, cnt);
354 n = mmc->block_dev.block_read(curr_device, blk, cnt, addr);
355 /* flush cache after read */
356 flush_cache((ulong)addr, cnt * 512); /* FIXME */
357 printf("%d blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");
359 return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
361 static int do_mmc_write(cmd_tbl_t *cmdtp, int flag,
362 int argc, char * const argv[])
369 return CMD_RET_USAGE;
371 addr = (void *)simple_strtoul(argv[1], NULL, 16);
372 blk = simple_strtoul(argv[2], NULL, 16);
373 cnt = simple_strtoul(argv[3], NULL, 16);
375 mmc = init_mmc_device(curr_device, false);
377 return CMD_RET_FAILURE;
379 printf("\nMMC write: dev # %d, block # %d, count %d ... ",
380 curr_device, blk, cnt);
382 if (mmc_getwp(mmc) == 1) {
383 printf("Error: card is write protected!\n");
384 return CMD_RET_FAILURE;
386 n = mmc->block_dev.block_write(curr_device, blk, cnt, addr);
387 printf("%d blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");
389 return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
391 static int do_mmc_erase(cmd_tbl_t *cmdtp, int flag,
392 int argc, char * const argv[])
398 return CMD_RET_USAGE;
400 blk = simple_strtoul(argv[1], NULL, 16);
401 cnt = simple_strtoul(argv[2], NULL, 16);
403 mmc = init_mmc_device(curr_device, false);
405 return CMD_RET_FAILURE;
407 printf("\nMMC erase: dev # %d, block # %d, count %d ... ",
408 curr_device, blk, cnt);
410 if (mmc_getwp(mmc) == 1) {
411 printf("Error: card is write protected!\n");
412 return CMD_RET_FAILURE;
414 n = mmc->block_dev.block_erase(curr_device, blk, cnt);
415 printf("%d blocks erased: %s\n", n, (n == cnt) ? "OK" : "ERROR");
417 return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
419 static int do_mmc_rescan(cmd_tbl_t *cmdtp, int flag,
420 int argc, char * const argv[])
424 mmc = init_mmc_device(curr_device, true);
426 return CMD_RET_FAILURE;
428 return CMD_RET_SUCCESS;
430 static int do_mmc_part(cmd_tbl_t *cmdtp, int flag,
431 int argc, char * const argv[])
433 block_dev_desc_t *mmc_dev;
436 mmc = init_mmc_device(curr_device, false);
438 return CMD_RET_FAILURE;
440 mmc_dev = mmc_get_dev(curr_device);
441 if (mmc_dev != NULL && mmc_dev->type != DEV_TYPE_UNKNOWN) {
443 return CMD_RET_SUCCESS;
446 puts("get mmc type error!\n");
447 return CMD_RET_FAILURE;
449 static int do_mmc_dev(cmd_tbl_t *cmdtp, int flag,
450 int argc, char * const argv[])
452 int dev, part = 0, ret;
457 } else if (argc == 2) {
458 dev = simple_strtoul(argv[1], NULL, 10);
459 } else if (argc == 3) {
460 dev = (int)simple_strtoul(argv[1], NULL, 10);
461 part = (int)simple_strtoul(argv[2], NULL, 10);
462 if (part > PART_ACCESS_MASK) {
463 printf("#part_num shouldn't be larger than %d\n",
465 return CMD_RET_FAILURE;
468 return CMD_RET_USAGE;
471 mmc = init_mmc_device(dev, true);
473 return CMD_RET_FAILURE;
475 ret = mmc_select_hwpart(dev, part);
476 printf("switch to partitions #%d, %s\n",
477 part, (!ret) ? "OK" : "ERROR");
482 if (mmc->part_config == MMCPART_NOAVAILABLE)
483 printf("mmc%d is current device\n", curr_device);
485 printf("mmc%d(part %d) is current device\n",
486 curr_device, mmc->part_num);
488 return CMD_RET_SUCCESS;
490 static int do_mmc_list(cmd_tbl_t *cmdtp, int flag,
491 int argc, char * const argv[])
493 print_mmc_devices('\n');
494 return CMD_RET_SUCCESS;
497 static int parse_hwpart_user(struct mmc_hwpart_conf *pconf,
498 int argc, char * const argv[])
502 memset(&pconf->user, 0, sizeof(pconf->user));
505 if (!strcmp(argv[i], "enh")) {
508 pconf->user.enh_start =
509 simple_strtoul(argv[i+1], NULL, 10);
510 pconf->user.enh_size =
511 simple_strtoul(argv[i+2], NULL, 10);
513 } else if (!strcmp(argv[i], "wrrel")) {
516 pconf->user.wr_rel_change = 1;
517 if (!strcmp(argv[i+1], "on"))
518 pconf->user.wr_rel_set = 1;
519 else if (!strcmp(argv[i+1], "off"))
520 pconf->user.wr_rel_set = 0;
531 static int parse_hwpart_gp(struct mmc_hwpart_conf *pconf, int pidx,
532 int argc, char * const argv[])
536 memset(&pconf->gp_part[pidx], 0, sizeof(pconf->gp_part[pidx]));
540 pconf->gp_part[pidx].size = simple_strtoul(argv[0], NULL, 10);
544 if (!strcmp(argv[i], "enh")) {
545 pconf->gp_part[pidx].enhanced = 1;
547 } else if (!strcmp(argv[i], "wrrel")) {
550 pconf->gp_part[pidx].wr_rel_change = 1;
551 if (!strcmp(argv[i+1], "on"))
552 pconf->gp_part[pidx].wr_rel_set = 1;
553 else if (!strcmp(argv[i+1], "off"))
554 pconf->gp_part[pidx].wr_rel_set = 0;
565 static int do_mmc_hwpartition(cmd_tbl_t *cmdtp, int flag,
566 int argc, char * const argv[])
569 struct mmc_hwpart_conf pconf = { };
570 enum mmc_hwpart_conf_mode mode = MMC_HWPART_CONF_CHECK;
573 mmc = init_mmc_device(curr_device, false);
575 return CMD_RET_FAILURE;
578 return CMD_RET_USAGE;
581 if (!strcmp(argv[i], "user")) {
583 r = parse_hwpart_user(&pconf, argc-i, &argv[i]);
585 return CMD_RET_USAGE;
587 } else if (!strncmp(argv[i], "gp", 2) &&
588 strlen(argv[i]) == 3 &&
589 argv[i][2] >= '1' && argv[i][2] <= '4') {
590 pidx = argv[i][2] - '1';
592 r = parse_hwpart_gp(&pconf, pidx, argc-i, &argv[i]);
594 return CMD_RET_USAGE;
596 } else if (!strcmp(argv[i], "check")) {
597 mode = MMC_HWPART_CONF_CHECK;
599 } else if (!strcmp(argv[i], "set")) {
600 mode = MMC_HWPART_CONF_SET;
602 } else if (!strcmp(argv[i], "complete")) {
603 mode = MMC_HWPART_CONF_COMPLETE;
606 return CMD_RET_USAGE;
610 puts("Partition configuration:\n");
611 if (pconf.user.enh_size) {
612 puts("\tUser Enhanced Start: ");
613 print_size(((u64)pconf.user.enh_start) << 9, "\n");
614 puts("\tUser Enhanced Size: ");
615 print_size(((u64)pconf.user.enh_size) << 9, "\n");
617 puts("\tNo enhanced user data area\n");
619 if (pconf.user.wr_rel_change)
620 printf("\tUser partition write reliability: %s\n",
621 pconf.user.wr_rel_set ? "on" : "off");
622 for (pidx = 0; pidx < 4; pidx++) {
623 if (pconf.gp_part[pidx].size) {
624 printf("\tGP%i Capacity: ", pidx+1);
625 print_size(((u64)pconf.gp_part[pidx].size) << 9,
626 pconf.gp_part[pidx].enhanced ?
629 printf("\tNo GP%i partition\n", pidx+1);
631 if (pconf.gp_part[pidx].wr_rel_change)
632 printf("\tGP%i write reliability: %s\n", pidx+1,
633 pconf.gp_part[pidx].wr_rel_set ? "on" : "off");
636 if (!mmc_hwpart_config(mmc, &pconf, mode)) {
637 if (mode == MMC_HWPART_CONF_COMPLETE)
638 puts("Partitioning successful, "
639 "power-cycle to make effective\n");
640 return CMD_RET_SUCCESS;
643 return CMD_RET_FAILURE;
647 #ifdef CONFIG_SUPPORT_EMMC_BOOT
648 static int do_mmc_bootbus(cmd_tbl_t *cmdtp, int flag,
649 int argc, char * const argv[])
653 u8 width, reset, mode;
656 return CMD_RET_USAGE;
657 dev = simple_strtoul(argv[1], NULL, 10);
658 width = simple_strtoul(argv[2], NULL, 10);
659 reset = simple_strtoul(argv[3], NULL, 10);
660 mode = simple_strtoul(argv[4], NULL, 10);
662 mmc = init_mmc_device(dev, false);
664 return CMD_RET_FAILURE;
667 puts("BOOT_BUS_WIDTH only exists on eMMC\n");
668 return CMD_RET_FAILURE;
671 /* acknowledge to be sent during boot operation */
672 return mmc_set_boot_bus_width(mmc, width, reset, mode);
674 static int do_mmc_boot_resize(cmd_tbl_t *cmdtp, int flag,
675 int argc, char * const argv[])
679 u32 bootsize, rpmbsize;
682 return CMD_RET_USAGE;
683 dev = simple_strtoul(argv[1], NULL, 10);
684 bootsize = simple_strtoul(argv[2], NULL, 10);
685 rpmbsize = simple_strtoul(argv[3], NULL, 10);
687 mmc = init_mmc_device(dev, false);
689 return CMD_RET_FAILURE;
692 printf("It is not a EMMC device\n");
693 return CMD_RET_FAILURE;
696 if (mmc_boot_partition_size_change(mmc, bootsize, rpmbsize)) {
697 printf("EMMC boot partition Size change Failed.\n");
698 return CMD_RET_FAILURE;
701 printf("EMMC boot partition Size %d MB\n", bootsize);
702 printf("EMMC RPMB partition Size %d MB\n", rpmbsize);
703 return CMD_RET_SUCCESS;
705 static int do_mmc_partconf(cmd_tbl_t *cmdtp, int flag,
706 int argc, char * const argv[])
710 u8 ack, part_num, access;
713 return CMD_RET_USAGE;
715 dev = simple_strtoul(argv[1], NULL, 10);
716 ack = simple_strtoul(argv[2], NULL, 10);
717 part_num = simple_strtoul(argv[3], NULL, 10);
718 access = simple_strtoul(argv[4], NULL, 10);
720 mmc = init_mmc_device(dev, false);
722 return CMD_RET_FAILURE;
725 puts("PARTITION_CONFIG only exists on eMMC\n");
726 return CMD_RET_FAILURE;
729 /* acknowledge to be sent during boot operation */
730 return mmc_set_part_conf(mmc, ack, part_num, access);
732 static int do_mmc_rst_func(cmd_tbl_t *cmdtp, int flag,
733 int argc, char * const argv[])
740 * Set the RST_n_ENABLE bit of RST_n_FUNCTION
741 * The only valid values are 0x0, 0x1 and 0x2 and writing
742 * a value of 0x1 or 0x2 sets the value permanently.
745 return CMD_RET_USAGE;
747 dev = simple_strtoul(argv[1], NULL, 10);
748 enable = simple_strtoul(argv[2], NULL, 10);
750 if (enable > 2 || enable < 0) {
751 puts("Invalid RST_n_ENABLE value\n");
752 return CMD_RET_USAGE;
755 mmc = init_mmc_device(dev, false);
757 return CMD_RET_FAILURE;
760 puts("RST_n_FUNCTION only exists on eMMC\n");
761 return CMD_RET_FAILURE;
764 return mmc_set_rst_n_function(mmc, enable);
767 static int do_mmc_setdsr(cmd_tbl_t *cmdtp, int flag,
768 int argc, char * const argv[])
775 return CMD_RET_USAGE;
776 val = simple_strtoul(argv[2], NULL, 16);
778 mmc = find_mmc_device(curr_device);
780 printf("no mmc device at slot %x\n", curr_device);
781 return CMD_RET_FAILURE;
783 ret = mmc_set_dsr(mmc, val);
784 printf("set dsr %s\n", (!ret) ? "OK, force rescan" : "ERROR");
788 return CMD_RET_FAILURE;
790 return CMD_RET_SUCCESS;
795 static cmd_tbl_t cmd_mmc[] = {
796 U_BOOT_CMD_MKENT(info, 1, 0, do_mmcinfo, "", ""),
797 U_BOOT_CMD_MKENT(read, 4, 1, do_mmc_read, "", ""),
798 U_BOOT_CMD_MKENT(write, 4, 0, do_mmc_write, "", ""),
799 U_BOOT_CMD_MKENT(erase, 3, 0, do_mmc_erase, "", ""),
800 U_BOOT_CMD_MKENT(rescan, 1, 1, do_mmc_rescan, "", ""),
801 U_BOOT_CMD_MKENT(part, 1, 1, do_mmc_part, "", ""),
802 U_BOOT_CMD_MKENT(dev, 3, 0, do_mmc_dev, "", ""),
803 U_BOOT_CMD_MKENT(list, 1, 1, do_mmc_list, "", ""),
804 U_BOOT_CMD_MKENT(hwpartition, 28, 0, do_mmc_hwpartition, "", ""),
805 #ifdef CONFIG_SUPPORT_EMMC_BOOT
806 U_BOOT_CMD_MKENT(bootbus, 5, 0, do_mmc_bootbus, "", ""),
807 U_BOOT_CMD_MKENT(bootpart-resize, 4, 0, do_mmc_boot_resize, "", ""),
808 U_BOOT_CMD_MKENT(partconf, 5, 0, do_mmc_partconf, "", ""),
809 U_BOOT_CMD_MKENT(rst-function, 3, 0, do_mmc_rst_func, "", ""),
811 #ifdef CONFIG_SUPPORT_EMMC_RPMB
812 U_BOOT_CMD_MKENT(rpmb, CONFIG_SYS_MAXARGS, 1, do_mmcrpmb, "", ""),
814 U_BOOT_CMD_MKENT(setdsr, 2, 0, do_mmc_setdsr, "", ""),
817 static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
821 cp = find_cmd_tbl(argv[1], cmd_mmc, ARRAY_SIZE(cmd_mmc));
823 /* Drop the mmc command */
827 if (cp == NULL || argc > cp->maxargs)
828 return CMD_RET_USAGE;
829 if (flag == CMD_FLAG_REPEAT && !cp->repeatable)
830 return CMD_RET_SUCCESS;
832 if (curr_device < 0) {
833 if (get_mmc_num() > 0) {
836 puts("No MMC device available\n");
837 return CMD_RET_FAILURE;
840 return cp->cmd(cmdtp, flag, argc, argv);
844 mmc, 29, 1, do_mmcops,
846 "info - display info of the current MMC device\n"
847 "mmc read addr blk# cnt\n"
848 "mmc write addr blk# cnt\n"
849 "mmc erase blk# cnt\n"
851 "mmc part - lists available partition on current mmc device\n"
852 "mmc dev [dev] [part] - show or set current mmc device [partition]\n"
853 "mmc list - lists available devices\n"
854 "mmc hwpartition [args...] - does hardware partitioning\n"
855 " arguments (sizes in 512-byte blocks):\n"
856 " [user [enh start cnt] [wrrel {on|off}]] - sets user data area attributes\n"
857 " [gp1|gp2|gp3|gp4 cnt [enh] [wrrel {on|off}]] - general purpose partition\n"
858 " [check|set|complete] - mode, complete set partitioning completed\n"
859 " WARNING: Partitioning is a write-once setting once it is set to complete.\n"
860 " Power cycling is required to initialize partitions after set to complete.\n"
861 #ifdef CONFIG_SUPPORT_EMMC_BOOT
862 "mmc bootbus dev boot_bus_width reset_boot_bus_width boot_mode\n"
863 " - Set the BOOT_BUS_WIDTH field of the specified device\n"
864 "mmc bootpart-resize <dev> <boot part size MB> <RPMB part size MB>\n"
865 " - Change sizes of boot and RPMB partitions of specified device\n"
866 "mmc partconf dev boot_ack boot_partition partition_access\n"
867 " - Change the bits of the PARTITION_CONFIG field of the specified device\n"
868 "mmc rst-function dev value\n"
869 " - Change the RST_n_FUNCTION field of the specified device\n"
870 " WARNING: This is a write-once field and 0 / 1 / 2 are the only valid values.\n"
872 #ifdef CONFIG_SUPPORT_EMMC_RPMB
873 "mmc rpmb read addr blk# cnt [address of auth-key] - block size is 256 bytes\n"
874 "mmc rpmb write addr blk# cnt <address of auth-key> - block size is 256 bytes\n"
875 "mmc rpmb key <address of auth-key> - program the RPMB authentication key.\n"
876 "mmc rpmb counter - read the value of the write counter\n"
878 "mmc setdsr <value> - set DSR register value\n"
881 /* Old command kept for compatibility. Same as 'mmc info' */
883 mmcinfo, 1, 0, do_mmcinfo,
885 "- display info of the current MMC device"
888 #endif /* !CONFIG_GENERIC_MMC */