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mmc: add API to do eMMC hardware partitioning
[thirdparty/u-boot.git] / common / cmd_mmc.c
CommitLineData
71f95118
WD		 1/*
2 * (C) Copyright 2003
3 * Kyle Harris, kharris@nexus-tech.net
4 *
1a459660 5 * SPDX-License-Identifier: GPL-2.0+
71f95118
WD		 6 */
7
8#include <common.h>
9#include <command.h>
71f95118
WD		 10#include <mmc.h>
11
02e22c2d 12static int curr_device = -1;
ea6ebe21 13#ifndef CONFIG_GENERIC_MMC
54841ab5 14int do_mmc (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
71f95118 15{
869f6bf4
MK		 16 int dev;
17
47e26b1b 18 if (argc < 2)
4c12eeb8 19 return CMD_RET_USAGE;
869f6bf4
MK		 20
21 if (strcmp(argv[1], "init") == 0) {
22 if (argc == 2) {
23 if (curr_device < 0)
24 dev = 1;
25 else
26 dev = curr_device;
27 } else if (argc == 3) {
28 dev = (int)simple_strtoul(argv[2], NULL, 10);
29 } else {
4c12eeb8 30 return CMD_RET_USAGE;
869f6bf4
MK		 31 }
32
33 if (mmc_legacy_init(dev) != 0) {
34 puts("No MMC card found\n");
35 return 1;
36 }
37
38 curr_device = dev;
39 printf("mmc%d is available\n", curr_device);
40 } else if (strcmp(argv[1], "device") == 0) {
41 if (argc == 2) {
42 if (curr_device < 0) {
43 puts("No MMC device available\n");
44 return 1;
45 }
46 } else if (argc == 3) {
47 dev = (int)simple_strtoul(argv[2], NULL, 10);
48
49#ifdef CONFIG_SYS_MMC_SET_DEV
50 if (mmc_set_dev(dev) != 0)
51 return 1;
52#endif
53 curr_device = dev;
54 } else {
4c12eeb8 55 return CMD_RET_USAGE;
869f6bf4
MK		 56 }
57
58 printf("mmc%d is current device\n", curr_device);
59 } else {
4c12eeb8 60 return CMD_RET_USAGE;
71f95118 61 }
869f6bf4 62
71f95118
WD		 63 return 0;
64}
65
0d498393 66U_BOOT_CMD(
869f6bf4
MK		 67 mmc, 3, 1, do_mmc,
68 "MMC sub-system",
69 "init [dev] - init MMC sub system\n"
a89c33db 70 "mmc device [dev] - show or set current device"
b0fce99b 71);
3511b4e2 72#else /* !CONFIG_GENERIC_MMC */
272cc70b
AF		 73
74static void print_mmcinfo(struct mmc *mmc)
75{
c5f0d3f1
DSC		 76 int i;
77
93bfd616 78 printf("Device: %s\n", mmc->cfg->name);
272cc70b
AF		 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);
84
85 printf("Tran Speed: %d\n", mmc->tran_speed);
86 printf("Rd Block Len: %d\n", mmc->read_bl_len);
87
88 printf("%s version %d.%d\n", IS_SD(mmc) ? "SD" : "MMC",
64f4a619 89 (mmc->version >> 8) & 0xf, mmc->version & 0xff);
272cc70b
AF		 90
91 printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No");
940e0782
MK		 92 puts("Capacity: ");
93 print_size(mmc->capacity, "\n");
272cc70b 94
786e8f81
AG		 95 printf("Bus Width: %d-bit%s\n", mmc->bus_width,
96 mmc->ddr_mode ? " DDR" : "");
c5f0d3f1 97
b0361526
DSC		 98 puts("Erase Group Size: ");
99 print_size(((u64)mmc->erase_grp_size) << 9, "\n");
100
525ada21 101 if (!IS_SD(mmc) && mmc->version >= MMC_VERSION_4_41) {
c3dbb4f9 102 bool has_enh = (mmc->part_support & ENHNCD_SUPPORT) != 0;
beb98a14 103 bool usr_enh = has_enh && (mmc->part_attr & EXT_CSD_ENH_USR);
b0361526
DSC		 104
105 puts("HC WP Group Size: ");
106 print_size(((u64)mmc->hc_wp_grp_size) << 9, "\n");
107
c5f0d3f1 108 puts("User Capacity: ");
beb98a14
DSC		 109 print_size(mmc->capacity_user, usr_enh ? " ENH\n" : "\n");
110 if (usr_enh) {
111 puts("User Enhanced Start: ");
112 print_size(mmc->enh_user_start, "\n");
113 puts("User Enhanced Size: ");
114 print_size(mmc->enh_user_size, "\n");
115 }
c5f0d3f1 116 puts("Boot Capacity: ");
c3dbb4f9 117 print_size(mmc->capacity_boot, has_enh ? " ENH\n" : "\n");
c5f0d3f1 118 puts("RPMB Capacity: ");
c3dbb4f9 119 print_size(mmc->capacity_rpmb, has_enh ? " ENH\n" : "\n");
b0361526 120
c5f0d3f1 121 for (i = 0; i < ARRAY_SIZE(mmc->capacity_gp); i++) {
c3dbb4f9
DSC		 122 bool is_enh = has_enh &&
123 (mmc->part_attr & EXT_CSD_ENH_GP(i));
c5f0d3f1 124 if (mmc->capacity_gp[i]) {
f289fd73 125 printf("GP%i Capacity: ", i+1);
c3dbb4f9
DSC		 126 print_size(mmc->capacity_gp[i],
127 is_enh ? " ENH\n" : "\n");
c5f0d3f1
DSC		 128 }
129 }
130 }
272cc70b 131}
1ae24a50 132static struct mmc *init_mmc_device(int dev, bool force_init)
1fd93c6e
PA		 133{
134 struct mmc *mmc;
135 mmc = find_mmc_device(dev);
136 if (!mmc) {
137 printf("no mmc device at slot %x\n", dev);
138 return NULL;
139 }
1ae24a50
SW		 140 if (force_init)
141 mmc->has_init = 0;
1fd93c6e
PA		 142 if (mmc_init(mmc))
143 return NULL;
144 return mmc;
145}
088f1b19 146static int do_mmcinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
272cc70b
AF		 147{
148 struct mmc *mmc;
272cc70b 149
ea6ebe21
LW		 150 if (curr_device < 0) {
151 if (get_mmc_num() > 0)
152 curr_device = 0;
153 else {
154 puts("No MMC device available\n");
155 return 1;
156 }
157 }
272cc70b 158
1ae24a50 159 mmc = init_mmc_device(curr_device, false);
1fd93c6e
PA		 160 if (!mmc)
161 return CMD_RET_FAILURE;
272cc70b 162
1fd93c6e
PA		 163 print_mmcinfo(mmc);
164 return CMD_RET_SUCCESS;
165}
272cc70b 166
1fd93c6e
PA		 167#ifdef CONFIG_SUPPORT_EMMC_RPMB
168static int confirm_key_prog(void)
169{
170 puts("Warning: Programming authentication key can be done only once !\n"
171 " Use this command only if you are sure of what you are doing,\n"
172 "Really perform the key programming? <y/N> ");
173 if (confirm_yesno())
ea6ebe21 174 return 1;
1fd93c6e
PA		 175
176 puts("Authentication key programming aborted\n");
177 return 0;
178}
179static int do_mmcrpmb_key(cmd_tbl_t *cmdtp, int flag,
180 int argc, char * const argv[])
181{
182 void *key_addr;
183 struct mmc *mmc = find_mmc_device(curr_device);
184
185 if (argc != 2)
186 return CMD_RET_USAGE;
187
188 key_addr = (void *)simple_strtoul(argv[1], NULL, 16);
189 if (!confirm_key_prog())
190 return CMD_RET_FAILURE;
191 if (mmc_rpmb_set_key(mmc, key_addr)) {
192 printf("ERROR - Key already programmed ?\n");
193 return CMD_RET_FAILURE;
272cc70b 194 }
1fd93c6e 195 return CMD_RET_SUCCESS;
272cc70b 196}
1fd93c6e
PA		 197static int do_mmcrpmb_read(cmd_tbl_t *cmdtp, int flag,
198 int argc, char * const argv[])
199{
200 u16 blk, cnt;
201 void *addr;
202 int n;
203 void *key_addr = NULL;
204 struct mmc *mmc = find_mmc_device(curr_device);
272cc70b 205
1fd93c6e
PA		 206 if (argc < 4)
207 return CMD_RET_USAGE;
272cc70b 208
1fd93c6e
PA		 209 addr = (void *)simple_strtoul(argv[1], NULL, 16);
210 blk = simple_strtoul(argv[2], NULL, 16);
211 cnt = simple_strtoul(argv[3], NULL, 16);
212
213 if (argc == 5)
214 key_addr = (void *)simple_strtoul(argv[4], NULL, 16);
215
216 printf("\nMMC RPMB read: dev # %d, block # %d, count %d ... ",
217 curr_device, blk, cnt);
218 n = mmc_rpmb_read(mmc, addr, blk, cnt, key_addr);
219
220 printf("%d RPMB blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");
221 if (n != cnt)
222 return CMD_RET_FAILURE;
223 return CMD_RET_SUCCESS;
224}
225static int do_mmcrpmb_write(cmd_tbl_t *cmdtp, int flag,
226 int argc, char * const argv[])
272cc70b 227{
1fd93c6e
PA		 228 u16 blk, cnt;
229 void *addr;
230 int n;
231 void *key_addr;
232 struct mmc *mmc = find_mmc_device(curr_device);
6be95ccf 233
1fd93c6e 234 if (argc != 5)
4c12eeb8 235 return CMD_RET_USAGE;
272cc70b 236
1fd93c6e
PA		 237 addr = (void *)simple_strtoul(argv[1], NULL, 16);
238 blk = simple_strtoul(argv[2], NULL, 16);
239 cnt = simple_strtoul(argv[3], NULL, 16);
240 key_addr = (void *)simple_strtoul(argv[4], NULL, 16);
241
242 printf("\nMMC RPMB write: dev # %d, block # %d, count %d ... ",
243 curr_device, blk, cnt);
244 n = mmc_rpmb_write(mmc, addr, blk, cnt, key_addr);
245
246 printf("%d RPMB blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");
247 if (n != cnt)
248 return CMD_RET_FAILURE;
249 return CMD_RET_SUCCESS;
250}
251static int do_mmcrpmb_counter(cmd_tbl_t *cmdtp, int flag,
252 int argc, char * const argv[])
253{
254 unsigned long counter;
255 struct mmc *mmc = find_mmc_device(curr_device);
256
257 if (mmc_rpmb_get_counter(mmc, &counter))
258 return CMD_RET_FAILURE;
259 printf("RPMB Write counter= %lx\n", counter);
260 return CMD_RET_SUCCESS;
261}
262
263static cmd_tbl_t cmd_rpmb[] = {
264 U_BOOT_CMD_MKENT(key, 2, 0, do_mmcrpmb_key, "", ""),
265 U_BOOT_CMD_MKENT(read, 5, 1, do_mmcrpmb_read, "", ""),
266 U_BOOT_CMD_MKENT(write, 5, 0, do_mmcrpmb_write, "", ""),
267 U_BOOT_CMD_MKENT(counter, 1, 1, do_mmcrpmb_counter, "", ""),
268};
269
270static int do_mmcrpmb(cmd_tbl_t *cmdtp, int flag,
271 int argc, char * const argv[])
272{
273 cmd_tbl_t *cp;
274 struct mmc *mmc;
275 char original_part;
276 int ret;
277
278 cp = find_cmd_tbl(argv[1], cmd_rpmb, ARRAY_SIZE(cmd_rpmb));
279
280 /* Drop the rpmb subcommand */
281 argc--;
282 argv++;
283
284 if (cp == NULL || argc > cp->maxargs)
285 return CMD_RET_USAGE;
286 if (flag == CMD_FLAG_REPEAT && !cp->repeatable)
287 return CMD_RET_SUCCESS;
288
1ae24a50 289 mmc = init_mmc_device(curr_device, false);
1fd93c6e
PA		 290 if (!mmc)
291 return CMD_RET_FAILURE;
292
293 if (!(mmc->version & MMC_VERSION_MMC)) {
294 printf("It is not a EMMC device\n");
295 return CMD_RET_FAILURE;
296 }
297 if (mmc->version < MMC_VERSION_4_41) {
298 printf("RPMB not supported before version 4.41\n");
299 return CMD_RET_FAILURE;
ea6ebe21 300 }
1fd93c6e
PA		 301 /* Switch to the RPMB partition */
302 original_part = mmc->part_num;
303 if (mmc->part_num != MMC_PART_RPMB) {
304 if (mmc_switch_part(curr_device, MMC_PART_RPMB) != 0)
305 return CMD_RET_FAILURE;
306 mmc->part_num = MMC_PART_RPMB;
307 }
308 ret = cp->cmd(cmdtp, flag, argc, argv);
272cc70b 309
1fd93c6e
PA		 310 /* Return to original partition */
311 if (mmc->part_num != original_part) {
312 if (mmc_switch_part(curr_device, original_part) != 0)
313 return CMD_RET_FAILURE;
314 mmc->part_num = original_part;
315 }
316 return ret;
317}
318#endif
9fd38372 319
1fd93c6e
PA		 320static int do_mmc_read(cmd_tbl_t *cmdtp, int flag,
321 int argc, char * const argv[])
322{
323 struct mmc *mmc;
324 u32 blk, cnt, n;
325 void *addr;
e85649c7 326
1fd93c6e
PA		 327 if (argc != 4)
328 return CMD_RET_USAGE;
ea6ebe21 329
1fd93c6e
PA		 330 addr = (void *)simple_strtoul(argv[1], NULL, 16);
331 blk = simple_strtoul(argv[2], NULL, 16);
332 cnt = simple_strtoul(argv[3], NULL, 16);
272cc70b 333
1ae24a50 334 mmc = init_mmc_device(curr_device, false);
1fd93c6e
PA		 335 if (!mmc)
336 return CMD_RET_FAILURE;
ea6ebe21 337
1fd93c6e
PA		 338 printf("\nMMC read: dev # %d, block # %d, count %d ... ",
339 curr_device, blk, cnt);
9fd38372 340
1fd93c6e
PA		 341 n = mmc->block_dev.block_read(curr_device, blk, cnt, addr);
342 /* flush cache after read */
343 flush_cache((ulong)addr, cnt * 512); /* FIXME */
344 printf("%d blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");
8f3b9642 345
1fd93c6e
PA		 346 return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
347}
348static int do_mmc_write(cmd_tbl_t *cmdtp, int flag,
349 int argc, char * const argv[])
350{
351 struct mmc *mmc;
352 u32 blk, cnt, n;
353 void *addr;
8f3b9642 354
1fd93c6e
PA		 355 if (argc != 4)
356 return CMD_RET_USAGE;
272cc70b 357
1fd93c6e
PA		 358 addr = (void *)simple_strtoul(argv[1], NULL, 16);
359 blk = simple_strtoul(argv[2], NULL, 16);
360 cnt = simple_strtoul(argv[3], NULL, 16);
bc897b1d 361
1ae24a50 362 mmc = init_mmc_device(curr_device, false);
1fd93c6e
PA		 363 if (!mmc)
364 return CMD_RET_FAILURE;
bc897b1d 365
1fd93c6e
PA		 366 printf("\nMMC write: dev # %d, block # %d, count %d ... ",
367 curr_device, blk, cnt);
272cc70b 368
1fd93c6e
PA		 369 if (mmc_getwp(mmc) == 1) {
370 printf("Error: card is write protected!\n");
371 return CMD_RET_FAILURE;
372 }
373 n = mmc->block_dev.block_write(curr_device, blk, cnt, addr);
374 printf("%d blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");
792970b0 375
1fd93c6e
PA		 376 return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
377}
378static int do_mmc_erase(cmd_tbl_t *cmdtp, int flag,
379 int argc, char * const argv[])
380{
381 struct mmc *mmc;
382 u32 blk, cnt, n;
2a91c913 383
1fd93c6e
PA		 384 if (argc != 3)
385 return CMD_RET_USAGE;
792970b0 386
1fd93c6e
PA		 387 blk = simple_strtoul(argv[1], NULL, 16);
388 cnt = simple_strtoul(argv[2], NULL, 16);
5a99b9de 389
1ae24a50 390 mmc = init_mmc_device(curr_device, false);
1fd93c6e
PA		 391 if (!mmc)
392 return CMD_RET_FAILURE;
5a99b9de 393
1fd93c6e
PA		 394 printf("\nMMC erase: dev # %d, block # %d, count %d ... ",
395 curr_device, blk, cnt);
5a99b9de 396
1fd93c6e
PA		 397 if (mmc_getwp(mmc) == 1) {
398 printf("Error: card is write protected!\n");
399 return CMD_RET_FAILURE;
400 }
401 n = mmc->block_dev.block_erase(curr_device, blk, cnt);
402 printf("%d blocks erased: %s\n", n, (n == cnt) ? "OK" : "ERROR");
b01e6fe6 403
1fd93c6e
PA		 404 return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
405}
406static int do_mmc_rescan(cmd_tbl_t *cmdtp, int flag,
407 int argc, char * const argv[])
408{
409 struct mmc *mmc;
2a91c913 410
941944e4
SW		 411 mmc = init_mmc_device(curr_device, true);
412 if (!mmc)
1fd93c6e 413 return CMD_RET_FAILURE;
2a91c913 414
1fd93c6e
PA		 415 return CMD_RET_SUCCESS;
416}
417static int do_mmc_part(cmd_tbl_t *cmdtp, int flag,
418 int argc, char * const argv[])
419{
420 block_dev_desc_t *mmc_dev;
421 struct mmc *mmc;
422
1ae24a50 423 mmc = init_mmc_device(curr_device, false);
1fd93c6e
PA		 424 if (!mmc)
425 return CMD_RET_FAILURE;
426
427 mmc_dev = mmc_get_dev(curr_device);
428 if (mmc_dev != NULL && mmc_dev->type != DEV_TYPE_UNKNOWN) {
429 print_part(mmc_dev);
430 return CMD_RET_SUCCESS;
431 }
432
433 puts("get mmc type error!\n");
434 return CMD_RET_FAILURE;
435}
436static int do_mmc_dev(cmd_tbl_t *cmdtp, int flag,
437 int argc, char * const argv[])
438{
60dc58f7 439 int dev, part = 0, ret;
1fd93c6e
PA		 440 struct mmc *mmc;
441
442 if (argc == 1) {
443 dev = curr_device;
444 } else if (argc == 2) {
445 dev = simple_strtoul(argv[1], NULL, 10);
446 } else if (argc == 3) {
447 dev = (int)simple_strtoul(argv[1], NULL, 10);
448 part = (int)simple_strtoul(argv[2], NULL, 10);
449 if (part > PART_ACCESS_MASK) {
450 printf("#part_num shouldn't be larger than %d\n",
451 PART_ACCESS_MASK);
452 return CMD_RET_FAILURE;
33ace362 453 }
1fd93c6e
PA		 454 } else {
455 return CMD_RET_USAGE;
456 }
33ace362 457
a5710920 458 mmc = init_mmc_device(dev, true);
1fd93c6e
PA		 459 if (!mmc)
460 return CMD_RET_FAILURE;
461
60dc58f7
SW		 462 ret = mmc_select_hwpart(dev, part);
463 printf("switch to partitions #%d, %s\n",
464 part, (!ret) ? "OK" : "ERROR");
465 if (ret)
466 return 1;
467
1fd93c6e
PA		 468 curr_device = dev;
469 if (mmc->part_config == MMCPART_NOAVAILABLE)
470 printf("mmc%d is current device\n", curr_device);
471 else
472 printf("mmc%d(part %d) is current device\n",
473 curr_device, mmc->part_num);
33ace362 474
1fd93c6e
PA		 475 return CMD_RET_SUCCESS;
476}
477static int do_mmc_list(cmd_tbl_t *cmdtp, int flag,
478 int argc, char * const argv[])
479{
480 print_mmc_devices('\n');
481 return CMD_RET_SUCCESS;
482}
483#ifdef CONFIG_SUPPORT_EMMC_BOOT
484static int do_mmc_bootbus(cmd_tbl_t *cmdtp, int flag,
485 int argc, char * const argv[])
486{
487 int dev;
488 struct mmc *mmc;
489 u8 width, reset, mode;
490
491 if (argc != 5)
492 return CMD_RET_USAGE;
493 dev = simple_strtoul(argv[1], NULL, 10);
494 width = simple_strtoul(argv[2], NULL, 10);
495 reset = simple_strtoul(argv[3], NULL, 10);
496 mode = simple_strtoul(argv[4], NULL, 10);
497
1ae24a50 498 mmc = init_mmc_device(dev, false);
1fd93c6e
PA		 499 if (!mmc)
500 return CMD_RET_FAILURE;
501
502 if (IS_SD(mmc)) {
503 puts("BOOT_BUS_WIDTH only exists on eMMC\n");
504 return CMD_RET_FAILURE;
2a91c913 505 }
ab71188c 506
1fd93c6e
PA		 507 /* acknowledge to be sent during boot operation */
508 return mmc_set_boot_bus_width(mmc, width, reset, mode);
509}
510static int do_mmc_boot_resize(cmd_tbl_t *cmdtp, int flag,
511 int argc, char * const argv[])
512{
513 int dev;
514 struct mmc *mmc;
515 u32 bootsize, rpmbsize;
ab71188c 516
1fd93c6e
PA		 517 if (argc != 4)
518 return CMD_RET_USAGE;
519 dev = simple_strtoul(argv[1], NULL, 10);
520 bootsize = simple_strtoul(argv[2], NULL, 10);
521 rpmbsize = simple_strtoul(argv[3], NULL, 10);
522
1ae24a50 523 mmc = init_mmc_device(dev, false);
1fd93c6e
PA		 524 if (!mmc)
525 return CMD_RET_FAILURE;
526
527 if (IS_SD(mmc)) {
528 printf("It is not a EMMC device\n");
529 return CMD_RET_FAILURE;
ab71188c
MN		 530 }
531
1fd93c6e
PA		 532 if (mmc_boot_partition_size_change(mmc, bootsize, rpmbsize)) {
533 printf("EMMC boot partition Size change Failed.\n");
534 return CMD_RET_FAILURE;
535 }
e85649c7 536
1fd93c6e
PA		 537 printf("EMMC boot partition Size %d MB\n", bootsize);
538 printf("EMMC RPMB partition Size %d MB\n", rpmbsize);
539 return CMD_RET_SUCCESS;
540}
541static int do_mmc_partconf(cmd_tbl_t *cmdtp, int flag,
542 int argc, char * const argv[])
543{
544 int dev;
545 struct mmc *mmc;
546 u8 ack, part_num, access;
272cc70b 547
1fd93c6e
PA		 548 if (argc != 5)
549 return CMD_RET_USAGE;
272cc70b 550
1fd93c6e
PA		 551 dev = simple_strtoul(argv[1], NULL, 10);
552 ack = simple_strtoul(argv[2], NULL, 10);
553 part_num = simple_strtoul(argv[3], NULL, 10);
554 access = simple_strtoul(argv[4], NULL, 10);
d23d8d7e 555
1ae24a50 556 mmc = init_mmc_device(dev, false);
1fd93c6e
PA		 557 if (!mmc)
558 return CMD_RET_FAILURE;
559
560 if (IS_SD(mmc)) {
561 puts("PARTITION_CONFIG only exists on eMMC\n");
562 return CMD_RET_FAILURE;
563 }
564
565 /* acknowledge to be sent during boot operation */
566 return mmc_set_part_conf(mmc, ack, part_num, access);
567}
568static int do_mmc_rst_func(cmd_tbl_t *cmdtp, int flag,
569 int argc, char * const argv[])
570{
571 int dev;
572 struct mmc *mmc;
573 u8 enable;
574
575 /*
576 * Set the RST_n_ENABLE bit of RST_n_FUNCTION
577 * The only valid values are 0x0, 0x1 and 0x2 and writing
578 * a value of 0x1 or 0x2 sets the value permanently.
579 */
580 if (argc != 3)
581 return CMD_RET_USAGE;
582
583 dev = simple_strtoul(argv[1], NULL, 10);
584 enable = simple_strtoul(argv[2], NULL, 10);
585
586 if (enable > 2 || enable < 0) {
587 puts("Invalid RST_n_ENABLE value\n");
588 return CMD_RET_USAGE;
589 }
590
1ae24a50 591 mmc = init_mmc_device(dev, false);
1fd93c6e
PA		 592 if (!mmc)
593 return CMD_RET_FAILURE;
594
595 if (IS_SD(mmc)) {
596 puts("RST_n_FUNCTION only exists on eMMC\n");
597 return CMD_RET_FAILURE;
598 }
272cc70b 599
1fd93c6e
PA		 600 return mmc_set_rst_n_function(mmc, enable);
601}
602#endif
603static int do_mmc_setdsr(cmd_tbl_t *cmdtp, int flag,
604 int argc, char * const argv[])
605{
606 struct mmc *mmc;
607 u32 val;
608 int ret;
609
610 if (argc != 2)
611 return CMD_RET_USAGE;
612 val = simple_strtoul(argv[2], NULL, 16);
613
614 mmc = find_mmc_device(curr_device);
615 if (!mmc) {
616 printf("no mmc device at slot %x\n", curr_device);
617 return CMD_RET_FAILURE;
618 }
619 ret = mmc_set_dsr(mmc, val);
620 printf("set dsr %s\n", (!ret) ? "OK, force rescan" : "ERROR");
621 if (!ret) {
622 mmc->has_init = 0;
623 if (mmc_init(mmc))
624 return CMD_RET_FAILURE;
625 else
626 return CMD_RET_SUCCESS;
272cc70b 627 }
1fd93c6e
PA		 628 return ret;
629}
630
631static cmd_tbl_t cmd_mmc[] = {
632 U_BOOT_CMD_MKENT(info, 1, 0, do_mmcinfo, "", ""),
633 U_BOOT_CMD_MKENT(read, 4, 1, do_mmc_read, "", ""),
634 U_BOOT_CMD_MKENT(write, 4, 0, do_mmc_write, "", ""),
635 U_BOOT_CMD_MKENT(erase, 3, 0, do_mmc_erase, "", ""),
636 U_BOOT_CMD_MKENT(rescan, 1, 1, do_mmc_rescan, "", ""),
637 U_BOOT_CMD_MKENT(part, 1, 1, do_mmc_part, "", ""),
638 U_BOOT_CMD_MKENT(dev, 3, 0, do_mmc_dev, "", ""),
639 U_BOOT_CMD_MKENT(list, 1, 1, do_mmc_list, "", ""),
640#ifdef CONFIG_SUPPORT_EMMC_BOOT
641 U_BOOT_CMD_MKENT(bootbus, 5, 0, do_mmc_bootbus, "", ""),
fa7b8851 642 U_BOOT_CMD_MKENT(bootpart-resize, 4, 0, do_mmc_boot_resize, "", ""),
1fd93c6e
PA		 643 U_BOOT_CMD_MKENT(partconf, 5, 0, do_mmc_partconf, "", ""),
644 U_BOOT_CMD_MKENT(rst-function, 3, 0, do_mmc_rst_func, "", ""),
645#endif
646#ifdef CONFIG_SUPPORT_EMMC_RPMB
647 U_BOOT_CMD_MKENT(rpmb, CONFIG_SYS_MAXARGS, 1, do_mmcrpmb, "", ""),
648#endif
649 U_BOOT_CMD_MKENT(setdsr, 2, 0, do_mmc_setdsr, "", ""),
650};
651
652static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
653{
654 cmd_tbl_t *cp;
655
656 cp = find_cmd_tbl(argv[1], cmd_mmc, ARRAY_SIZE(cmd_mmc));
657
658 /* Drop the mmc command */
659 argc--;
660 argv++;
661
662 if (cp == NULL || argc > cp->maxargs)
663 return CMD_RET_USAGE;
664 if (flag == CMD_FLAG_REPEAT && !cp->repeatable)
665 return CMD_RET_SUCCESS;
ea6ebe21 666
1fd93c6e
PA		 667 if (curr_device < 0) {
668 if (get_mmc_num() > 0) {
669 curr_device = 0;
670 } else {
671 puts("No MMC device available\n");
672 return CMD_RET_FAILURE;
673 }
674 }
675 return cp->cmd(cmdtp, flag, argc, argv);
272cc70b
AF		 676}
677
678U_BOOT_CMD(
1fd93c6e 679 mmc, 7, 1, do_mmcops,
852dbfdd 680 "MMC sub system",
1fd93c6e
PA		 681 "info - display info of the current MMC device\n"
682 "mmc read addr blk# cnt\n"
ea6ebe21 683 "mmc write addr blk# cnt\n"
e6f99a56 684 "mmc erase blk# cnt\n"
ea6ebe21
LW		 685 "mmc rescan\n"
686 "mmc part - lists available partition on current mmc device\n"
bc897b1d 687 "mmc dev [dev] [part] - show or set current mmc device [partition]\n"
2a91c913
A		 688 "mmc list - lists available devices\n"
689#ifdef CONFIG_SUPPORT_EMMC_BOOT
5a99b9de
TR		 690 "mmc bootbus dev boot_bus_width reset_boot_bus_width boot_mode\n"
691 " - Set the BOOT_BUS_WIDTH field of the specified device\n"
f1fd957e
TR		 692 "mmc bootpart-resize <dev> <boot part size MB> <RPMB part size MB>\n"
693 " - Change sizes of boot and RPMB partitions of specified device\n"
792970b0
TR		 694 "mmc partconf dev boot_ack boot_partition partition_access\n"
695 " - Change the bits of the PARTITION_CONFIG field of the specified device\n"
33ace362
TR		 696 "mmc rst-function dev value\n"
697 " - Change the RST_n_FUNCTION field of the specified device\n"
698 " WARNING: This is a write-once field and 0 / 1 / 2 are the only valid values.\n"
3511b4e2 699#endif
1fd93c6e
PA		 700#ifdef CONFIG_SUPPORT_EMMC_RPMB
701 "mmc rpmb read addr blk# cnt [address of auth-key] - block size is 256 bytes\n"
702 "mmc rpmb write addr blk# cnt <address of auth-key> - block size is 256 bytes\n"
703 "mmc rpmb key <address of auth-key> - program the RPMB authentication key.\n"
704 "mmc rpmb counter - read the value of the write counter\n"
705#endif
706 "mmc setdsr <value> - set DSR register value\n"
2a91c913 707 );
1fd93c6e
PA		 708
709/* Old command kept for compatibility. Same as 'mmc info' */
710U_BOOT_CMD(
711 mmcinfo, 1, 0, do_mmcinfo,
712 "display MMC info",
713 "- display info of the current MMC device"
714);
715
2a91c913 716#endif /* !CONFIG_GENERIC_MMC */
"Das U-Boot" Source Tree