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
);
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");
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");
193 static int do_mmcrpmb_key(cmd_tbl_t
*cmdtp
, int flag
,
194 int argc
, char * const argv
[])
197 struct mmc
*mmc
= find_mmc_device(curr_device
);
200 return CMD_RET_USAGE
;
202 key_addr
= (void *)simple_strtoul(argv
[1], NULL
, 16);
203 if (!confirm_key_prog())
204 return CMD_RET_FAILURE
;
205 if (mmc_rpmb_set_key(mmc
, key_addr
)) {
206 printf("ERROR - Key already programmed ?\n");
207 return CMD_RET_FAILURE
;
209 return CMD_RET_SUCCESS
;
211 static int do_mmcrpmb_read(cmd_tbl_t
*cmdtp
, int flag
,
212 int argc
, char * const argv
[])
217 void *key_addr
= NULL
;
218 struct mmc
*mmc
= find_mmc_device(curr_device
);
221 return CMD_RET_USAGE
;
223 addr
= (void *)simple_strtoul(argv
[1], NULL
, 16);
224 blk
= simple_strtoul(argv
[2], NULL
, 16);
225 cnt
= simple_strtoul(argv
[3], NULL
, 16);
228 key_addr
= (void *)simple_strtoul(argv
[4], NULL
, 16);
230 printf("\nMMC RPMB read: dev # %d, block # %d, count %d ... ",
231 curr_device
, blk
, cnt
);
232 n
= mmc_rpmb_read(mmc
, addr
, blk
, cnt
, key_addr
);
234 printf("%d RPMB blocks read: %s\n", n
, (n
== cnt
) ? "OK" : "ERROR");
236 return CMD_RET_FAILURE
;
237 return CMD_RET_SUCCESS
;
239 static int do_mmcrpmb_write(cmd_tbl_t
*cmdtp
, int flag
,
240 int argc
, char * const argv
[])
246 struct mmc
*mmc
= find_mmc_device(curr_device
);
249 return CMD_RET_USAGE
;
251 addr
= (void *)simple_strtoul(argv
[1], NULL
, 16);
252 blk
= simple_strtoul(argv
[2], NULL
, 16);
253 cnt
= simple_strtoul(argv
[3], NULL
, 16);
254 key_addr
= (void *)simple_strtoul(argv
[4], NULL
, 16);
256 printf("\nMMC RPMB write: dev # %d, block # %d, count %d ... ",
257 curr_device
, blk
, cnt
);
258 n
= mmc_rpmb_write(mmc
, addr
, blk
, cnt
, key_addr
);
260 printf("%d RPMB blocks written: %s\n", n
, (n
== cnt
) ? "OK" : "ERROR");
262 return CMD_RET_FAILURE
;
263 return CMD_RET_SUCCESS
;
265 static int do_mmcrpmb_counter(cmd_tbl_t
*cmdtp
, int flag
,
266 int argc
, char * const argv
[])
268 unsigned long counter
;
269 struct mmc
*mmc
= find_mmc_device(curr_device
);
271 if (mmc_rpmb_get_counter(mmc
, &counter
))
272 return CMD_RET_FAILURE
;
273 printf("RPMB Write counter= %lx\n", counter
);
274 return CMD_RET_SUCCESS
;
277 static cmd_tbl_t cmd_rpmb
[] = {
278 U_BOOT_CMD_MKENT(key
, 2, 0, do_mmcrpmb_key
, "", ""),
279 U_BOOT_CMD_MKENT(read
, 5, 1, do_mmcrpmb_read
, "", ""),
280 U_BOOT_CMD_MKENT(write
, 5, 0, do_mmcrpmb_write
, "", ""),
281 U_BOOT_CMD_MKENT(counter
, 1, 1, do_mmcrpmb_counter
, "", ""),
284 static int do_mmcrpmb(cmd_tbl_t
*cmdtp
, int flag
,
285 int argc
, char * const argv
[])
292 cp
= find_cmd_tbl(argv
[1], cmd_rpmb
, ARRAY_SIZE(cmd_rpmb
));
294 /* Drop the rpmb subcommand */
298 if (cp
== NULL
|| argc
> cp
->maxargs
)
299 return CMD_RET_USAGE
;
300 if (flag
== CMD_FLAG_REPEAT
&& !cp
->repeatable
)
301 return CMD_RET_SUCCESS
;
303 mmc
= init_mmc_device(curr_device
, false);
305 return CMD_RET_FAILURE
;
307 if (!(mmc
->version
& MMC_VERSION_MMC
)) {
308 printf("It is not a EMMC device\n");
309 return CMD_RET_FAILURE
;
311 if (mmc
->version
< MMC_VERSION_4_41
) {
312 printf("RPMB not supported before version 4.41\n");
313 return CMD_RET_FAILURE
;
315 /* Switch to the RPMB partition */
316 original_part
= mmc
->block_dev
.hwpart
;
317 if (mmc_select_hwpart(curr_device
, MMC_PART_RPMB
) != 0)
318 return CMD_RET_FAILURE
;
319 ret
= cp
->cmd(cmdtp
, flag
, argc
, argv
);
321 /* Return to original partition */
322 if (mmc_select_hwpart(curr_device
, original_part
) != 0)
323 return CMD_RET_FAILURE
;
328 static int do_mmc_read(cmd_tbl_t
*cmdtp
, int flag
,
329 int argc
, char * const argv
[])
336 return CMD_RET_USAGE
;
338 addr
= (void *)simple_strtoul(argv
[1], NULL
, 16);
339 blk
= simple_strtoul(argv
[2], NULL
, 16);
340 cnt
= simple_strtoul(argv
[3], NULL
, 16);
342 mmc
= init_mmc_device(curr_device
, false);
344 return CMD_RET_FAILURE
;
346 printf("\nMMC read: dev # %d, block # %d, count %d ... ",
347 curr_device
, blk
, cnt
);
349 n
= blk_dread(&mmc
->block_dev
, blk
, cnt
, addr
);
350 /* flush cache after read */
351 flush_cache((ulong
)addr
, cnt
* 512); /* FIXME */
352 printf("%d blocks read: %s\n", n
, (n
== cnt
) ? "OK" : "ERROR");
354 return (n
== cnt
) ? CMD_RET_SUCCESS
: CMD_RET_FAILURE
;
356 static int do_mmc_write(cmd_tbl_t
*cmdtp
, int flag
,
357 int argc
, char * const argv
[])
364 return CMD_RET_USAGE
;
366 addr
= (void *)simple_strtoul(argv
[1], NULL
, 16);
367 blk
= simple_strtoul(argv
[2], NULL
, 16);
368 cnt
= simple_strtoul(argv
[3], NULL
, 16);
370 mmc
= init_mmc_device(curr_device
, false);
372 return CMD_RET_FAILURE
;
374 printf("\nMMC write: dev # %d, block # %d, count %d ... ",
375 curr_device
, blk
, cnt
);
377 if (mmc_getwp(mmc
) == 1) {
378 printf("Error: card is write protected!\n");
379 return CMD_RET_FAILURE
;
381 n
= blk_dwrite(&mmc
->block_dev
, blk
, cnt
, addr
);
382 printf("%d blocks written: %s\n", n
, (n
== cnt
) ? "OK" : "ERROR");
384 return (n
== cnt
) ? CMD_RET_SUCCESS
: CMD_RET_FAILURE
;
386 static int do_mmc_erase(cmd_tbl_t
*cmdtp
, int flag
,
387 int argc
, char * const argv
[])
393 return CMD_RET_USAGE
;
395 blk
= simple_strtoul(argv
[1], NULL
, 16);
396 cnt
= simple_strtoul(argv
[2], NULL
, 16);
398 mmc
= init_mmc_device(curr_device
, false);
400 return CMD_RET_FAILURE
;
402 printf("\nMMC erase: dev # %d, block # %d, count %d ... ",
403 curr_device
, blk
, cnt
);
405 if (mmc_getwp(mmc
) == 1) {
406 printf("Error: card is write protected!\n");
407 return CMD_RET_FAILURE
;
409 n
= blk_derase(&mmc
->block_dev
, blk
, cnt
);
410 printf("%d blocks erased: %s\n", n
, (n
== cnt
) ? "OK" : "ERROR");
412 return (n
== cnt
) ? CMD_RET_SUCCESS
: CMD_RET_FAILURE
;
414 static int do_mmc_rescan(cmd_tbl_t
*cmdtp
, int flag
,
415 int argc
, char * const argv
[])
419 mmc
= init_mmc_device(curr_device
, true);
421 return CMD_RET_FAILURE
;
423 return CMD_RET_SUCCESS
;
425 static int do_mmc_part(cmd_tbl_t
*cmdtp
, int flag
,
426 int argc
, char * const argv
[])
428 struct blk_desc
*mmc_dev
;
431 mmc
= init_mmc_device(curr_device
, false);
433 return CMD_RET_FAILURE
;
435 mmc_dev
= blk_get_devnum_by_type(IF_TYPE_MMC
, curr_device
);
436 if (mmc_dev
!= NULL
&& mmc_dev
->type
!= DEV_TYPE_UNKNOWN
) {
438 return CMD_RET_SUCCESS
;
441 puts("get mmc type error!\n");
442 return CMD_RET_FAILURE
;
444 static int do_mmc_dev(cmd_tbl_t
*cmdtp
, int flag
,
445 int argc
, char * const argv
[])
447 int dev
, part
= 0, ret
;
452 } else if (argc
== 2) {
453 dev
= simple_strtoul(argv
[1], NULL
, 10);
454 } else if (argc
== 3) {
455 dev
= (int)simple_strtoul(argv
[1], NULL
, 10);
456 part
= (int)simple_strtoul(argv
[2], NULL
, 10);
457 if (part
> PART_ACCESS_MASK
) {
458 printf("#part_num shouldn't be larger than %d\n",
460 return CMD_RET_FAILURE
;
463 return CMD_RET_USAGE
;
466 mmc
= init_mmc_device(dev
, true);
468 return CMD_RET_FAILURE
;
470 ret
= mmc_select_hwpart(dev
, part
);
471 printf("switch to partitions #%d, %s\n",
472 part
, (!ret
) ? "OK" : "ERROR");
477 if (mmc
->part_config
== MMCPART_NOAVAILABLE
)
478 printf("mmc%d is current device\n", curr_device
);
480 printf("mmc%d(part %d) is current device\n",
481 curr_device
, mmc
->block_dev
.hwpart
);
483 return CMD_RET_SUCCESS
;
485 static int do_mmc_list(cmd_tbl_t
*cmdtp
, int flag
,
486 int argc
, char * const argv
[])
488 print_mmc_devices('\n');
489 return CMD_RET_SUCCESS
;
492 static int parse_hwpart_user(struct mmc_hwpart_conf
*pconf
,
493 int argc
, char * const argv
[])
497 memset(&pconf
->user
, 0, sizeof(pconf
->user
));
500 if (!strcmp(argv
[i
], "enh")) {
503 pconf
->user
.enh_start
=
504 simple_strtoul(argv
[i
+1], NULL
, 10);
505 pconf
->user
.enh_size
=
506 simple_strtoul(argv
[i
+2], NULL
, 10);
508 } else if (!strcmp(argv
[i
], "wrrel")) {
511 pconf
->user
.wr_rel_change
= 1;
512 if (!strcmp(argv
[i
+1], "on"))
513 pconf
->user
.wr_rel_set
= 1;
514 else if (!strcmp(argv
[i
+1], "off"))
515 pconf
->user
.wr_rel_set
= 0;
526 static int parse_hwpart_gp(struct mmc_hwpart_conf
*pconf
, int pidx
,
527 int argc
, char * const argv
[])
531 memset(&pconf
->gp_part
[pidx
], 0, sizeof(pconf
->gp_part
[pidx
]));
535 pconf
->gp_part
[pidx
].size
= simple_strtoul(argv
[0], NULL
, 10);
539 if (!strcmp(argv
[i
], "enh")) {
540 pconf
->gp_part
[pidx
].enhanced
= 1;
542 } else if (!strcmp(argv
[i
], "wrrel")) {
545 pconf
->gp_part
[pidx
].wr_rel_change
= 1;
546 if (!strcmp(argv
[i
+1], "on"))
547 pconf
->gp_part
[pidx
].wr_rel_set
= 1;
548 else if (!strcmp(argv
[i
+1], "off"))
549 pconf
->gp_part
[pidx
].wr_rel_set
= 0;
560 static int do_mmc_hwpartition(cmd_tbl_t
*cmdtp
, int flag
,
561 int argc
, char * const argv
[])
564 struct mmc_hwpart_conf pconf
= { };
565 enum mmc_hwpart_conf_mode mode
= MMC_HWPART_CONF_CHECK
;
568 mmc
= init_mmc_device(curr_device
, false);
570 return CMD_RET_FAILURE
;
573 return CMD_RET_USAGE
;
576 if (!strcmp(argv
[i
], "user")) {
578 r
= parse_hwpart_user(&pconf
, argc
-i
, &argv
[i
]);
580 return CMD_RET_USAGE
;
582 } else if (!strncmp(argv
[i
], "gp", 2) &&
583 strlen(argv
[i
]) == 3 &&
584 argv
[i
][2] >= '1' && argv
[i
][2] <= '4') {
585 pidx
= argv
[i
][2] - '1';
587 r
= parse_hwpart_gp(&pconf
, pidx
, argc
-i
, &argv
[i
]);
589 return CMD_RET_USAGE
;
591 } else if (!strcmp(argv
[i
], "check")) {
592 mode
= MMC_HWPART_CONF_CHECK
;
594 } else if (!strcmp(argv
[i
], "set")) {
595 mode
= MMC_HWPART_CONF_SET
;
597 } else if (!strcmp(argv
[i
], "complete")) {
598 mode
= MMC_HWPART_CONF_COMPLETE
;
601 return CMD_RET_USAGE
;
605 puts("Partition configuration:\n");
606 if (pconf
.user
.enh_size
) {
607 puts("\tUser Enhanced Start: ");
608 print_size(((u64
)pconf
.user
.enh_start
) << 9, "\n");
609 puts("\tUser Enhanced Size: ");
610 print_size(((u64
)pconf
.user
.enh_size
) << 9, "\n");
612 puts("\tNo enhanced user data area\n");
614 if (pconf
.user
.wr_rel_change
)
615 printf("\tUser partition write reliability: %s\n",
616 pconf
.user
.wr_rel_set
? "on" : "off");
617 for (pidx
= 0; pidx
< 4; pidx
++) {
618 if (pconf
.gp_part
[pidx
].size
) {
619 printf("\tGP%i Capacity: ", pidx
+1);
620 print_size(((u64
)pconf
.gp_part
[pidx
].size
) << 9,
621 pconf
.gp_part
[pidx
].enhanced
?
624 printf("\tNo GP%i partition\n", pidx
+1);
626 if (pconf
.gp_part
[pidx
].wr_rel_change
)
627 printf("\tGP%i write reliability: %s\n", pidx
+1,
628 pconf
.gp_part
[pidx
].wr_rel_set
? "on" : "off");
631 if (!mmc_hwpart_config(mmc
, &pconf
, mode
)) {
632 if (mode
== MMC_HWPART_CONF_COMPLETE
)
633 puts("Partitioning successful, "
634 "power-cycle to make effective\n");
635 return CMD_RET_SUCCESS
;
638 return CMD_RET_FAILURE
;
642 #ifdef CONFIG_SUPPORT_EMMC_BOOT
643 static int do_mmc_bootbus(cmd_tbl_t
*cmdtp
, int flag
,
644 int argc
, char * const argv
[])
648 u8 width
, reset
, mode
;
651 return CMD_RET_USAGE
;
652 dev
= simple_strtoul(argv
[1], NULL
, 10);
653 width
= simple_strtoul(argv
[2], NULL
, 10);
654 reset
= simple_strtoul(argv
[3], NULL
, 10);
655 mode
= simple_strtoul(argv
[4], NULL
, 10);
657 mmc
= init_mmc_device(dev
, false);
659 return CMD_RET_FAILURE
;
662 puts("BOOT_BUS_WIDTH only exists on eMMC\n");
663 return CMD_RET_FAILURE
;
666 /* acknowledge to be sent during boot operation */
667 return mmc_set_boot_bus_width(mmc
, width
, reset
, mode
);
669 static int do_mmc_boot_resize(cmd_tbl_t
*cmdtp
, int flag
,
670 int argc
, char * const argv
[])
674 u32 bootsize
, rpmbsize
;
677 return CMD_RET_USAGE
;
678 dev
= simple_strtoul(argv
[1], NULL
, 10);
679 bootsize
= simple_strtoul(argv
[2], NULL
, 10);
680 rpmbsize
= simple_strtoul(argv
[3], NULL
, 10);
682 mmc
= init_mmc_device(dev
, false);
684 return CMD_RET_FAILURE
;
687 printf("It is not a EMMC device\n");
688 return CMD_RET_FAILURE
;
691 if (mmc_boot_partition_size_change(mmc
, bootsize
, rpmbsize
)) {
692 printf("EMMC boot partition Size change Failed.\n");
693 return CMD_RET_FAILURE
;
696 printf("EMMC boot partition Size %d MB\n", bootsize
);
697 printf("EMMC RPMB partition Size %d MB\n", rpmbsize
);
698 return CMD_RET_SUCCESS
;
700 static int do_mmc_partconf(cmd_tbl_t
*cmdtp
, int flag
,
701 int argc
, char * const argv
[])
705 u8 ack
, part_num
, access
;
708 return CMD_RET_USAGE
;
710 dev
= simple_strtoul(argv
[1], NULL
, 10);
711 ack
= simple_strtoul(argv
[2], NULL
, 10);
712 part_num
= simple_strtoul(argv
[3], NULL
, 10);
713 access
= simple_strtoul(argv
[4], NULL
, 10);
715 mmc
= init_mmc_device(dev
, false);
717 return CMD_RET_FAILURE
;
720 puts("PARTITION_CONFIG only exists on eMMC\n");
721 return CMD_RET_FAILURE
;
724 /* acknowledge to be sent during boot operation */
725 return mmc_set_part_conf(mmc
, ack
, part_num
, access
);
727 static int do_mmc_rst_func(cmd_tbl_t
*cmdtp
, int flag
,
728 int argc
, char * const argv
[])
735 * Set the RST_n_ENABLE bit of RST_n_FUNCTION
736 * The only valid values are 0x0, 0x1 and 0x2 and writing
737 * a value of 0x1 or 0x2 sets the value permanently.
740 return CMD_RET_USAGE
;
742 dev
= simple_strtoul(argv
[1], NULL
, 10);
743 enable
= simple_strtoul(argv
[2], NULL
, 10);
746 puts("Invalid RST_n_ENABLE value\n");
747 return CMD_RET_USAGE
;
750 mmc
= init_mmc_device(dev
, false);
752 return CMD_RET_FAILURE
;
755 puts("RST_n_FUNCTION only exists on eMMC\n");
756 return CMD_RET_FAILURE
;
759 return mmc_set_rst_n_function(mmc
, enable
);
762 static int do_mmc_setdsr(cmd_tbl_t
*cmdtp
, int flag
,
763 int argc
, char * const argv
[])
770 return CMD_RET_USAGE
;
771 val
= simple_strtoul(argv
[2], NULL
, 16);
773 mmc
= find_mmc_device(curr_device
);
775 printf("no mmc device at slot %x\n", curr_device
);
776 return CMD_RET_FAILURE
;
778 ret
= mmc_set_dsr(mmc
, val
);
779 printf("set dsr %s\n", (!ret
) ? "OK, force rescan" : "ERROR");
783 return CMD_RET_FAILURE
;
785 return CMD_RET_SUCCESS
;
790 static cmd_tbl_t cmd_mmc
[] = {
791 U_BOOT_CMD_MKENT(info
, 1, 0, do_mmcinfo
, "", ""),
792 U_BOOT_CMD_MKENT(read
, 4, 1, do_mmc_read
, "", ""),
793 U_BOOT_CMD_MKENT(write
, 4, 0, do_mmc_write
, "", ""),
794 U_BOOT_CMD_MKENT(erase
, 3, 0, do_mmc_erase
, "", ""),
795 U_BOOT_CMD_MKENT(rescan
, 1, 1, do_mmc_rescan
, "", ""),
796 U_BOOT_CMD_MKENT(part
, 1, 1, do_mmc_part
, "", ""),
797 U_BOOT_CMD_MKENT(dev
, 3, 0, do_mmc_dev
, "", ""),
798 U_BOOT_CMD_MKENT(list
, 1, 1, do_mmc_list
, "", ""),
799 U_BOOT_CMD_MKENT(hwpartition
, 28, 0, do_mmc_hwpartition
, "", ""),
800 #ifdef CONFIG_SUPPORT_EMMC_BOOT
801 U_BOOT_CMD_MKENT(bootbus
, 5, 0, do_mmc_bootbus
, "", ""),
802 U_BOOT_CMD_MKENT(bootpart
-resize
, 4, 0, do_mmc_boot_resize
, "", ""),
803 U_BOOT_CMD_MKENT(partconf
, 5, 0, do_mmc_partconf
, "", ""),
804 U_BOOT_CMD_MKENT(rst
-function
, 3, 0, do_mmc_rst_func
, "", ""),
806 #ifdef CONFIG_SUPPORT_EMMC_RPMB
807 U_BOOT_CMD_MKENT(rpmb
, CONFIG_SYS_MAXARGS
, 1, do_mmcrpmb
, "", ""),
809 U_BOOT_CMD_MKENT(setdsr
, 2, 0, do_mmc_setdsr
, "", ""),
812 static int do_mmcops(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
816 cp
= find_cmd_tbl(argv
[1], cmd_mmc
, ARRAY_SIZE(cmd_mmc
));
818 /* Drop the mmc command */
822 if (cp
== NULL
|| argc
> cp
->maxargs
)
823 return CMD_RET_USAGE
;
824 if (flag
== CMD_FLAG_REPEAT
&& !cp
->repeatable
)
825 return CMD_RET_SUCCESS
;
827 if (curr_device
< 0) {
828 if (get_mmc_num() > 0) {
831 puts("No MMC device available\n");
832 return CMD_RET_FAILURE
;
835 return cp
->cmd(cmdtp
, flag
, argc
, argv
);
839 mmc
, 29, 1, do_mmcops
,
841 "info - display info of the current MMC device\n"
842 "mmc read addr blk# cnt\n"
843 "mmc write addr blk# cnt\n"
844 "mmc erase blk# cnt\n"
846 "mmc part - lists available partition on current mmc device\n"
847 "mmc dev [dev] [part] - show or set current mmc device [partition]\n"
848 "mmc list - lists available devices\n"
849 "mmc hwpartition [args...] - does hardware partitioning\n"
850 " arguments (sizes in 512-byte blocks):\n"
851 " [user [enh start cnt] [wrrel {on|off}]] - sets user data area attributes\n"
852 " [gp1|gp2|gp3|gp4 cnt [enh] [wrrel {on|off}]] - general purpose partition\n"
853 " [check|set|complete] - mode, complete set partitioning completed\n"
854 " WARNING: Partitioning is a write-once setting once it is set to complete.\n"
855 " Power cycling is required to initialize partitions after set to complete.\n"
856 #ifdef CONFIG_SUPPORT_EMMC_BOOT
857 "mmc bootbus dev boot_bus_width reset_boot_bus_width boot_mode\n"
858 " - Set the BOOT_BUS_WIDTH field of the specified device\n"
859 "mmc bootpart-resize <dev> <boot part size MB> <RPMB part size MB>\n"
860 " - Change sizes of boot and RPMB partitions of specified device\n"
861 "mmc partconf dev boot_ack boot_partition partition_access\n"
862 " - Change the bits of the PARTITION_CONFIG field of the specified device\n"
863 "mmc rst-function dev value\n"
864 " - Change the RST_n_FUNCTION field of the specified device\n"
865 " WARNING: This is a write-once field and 0 / 1 / 2 are the only valid values.\n"
867 #ifdef CONFIG_SUPPORT_EMMC_RPMB
868 "mmc rpmb read addr blk# cnt [address of auth-key] - block size is 256 bytes\n"
869 "mmc rpmb write addr blk# cnt <address of auth-key> - block size is 256 bytes\n"
870 "mmc rpmb key <address of auth-key> - program the RPMB authentication key.\n"
871 "mmc rpmb counter - read the value of the write counter\n"
873 "mmc setdsr <value> - set DSR register value\n"
876 /* Old command kept for compatibility. Same as 'mmc info' */
878 mmcinfo
, 1, 0, do_mmcinfo
,
880 "- display info of the current MMC device"
883 #endif /* !CONFIG_GENERIC_MMC */