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1 /*
2 * (C) Copyright 2003
3 * Kyle Harris, kharris@nexus-tech.net
4 *
5 * SPDX-License-Identifier: GPL-2.0+
6 */
7
8 #include <common.h>
9 #include <command.h>
10 #include <console.h>
11 #include <mmc.h>
12
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[])
16 {
17 int dev;
18
19 if (argc < 2)
20 return CMD_RET_USAGE;
21
22 if (strcmp(argv[1], "init") == 0) {
23 if (argc == 2) {
24 if (curr_device < 0)
25 dev = 1;
26 else
27 dev = curr_device;
28 } else if (argc == 3) {
29 dev = (int)simple_strtoul(argv[2], NULL, 10);
30 } else {
31 return CMD_RET_USAGE;
32 }
33
34 if (mmc_legacy_init(dev) != 0) {
35 puts("No MMC card found\n");
36 return 1;
37 }
38
39 curr_device = dev;
40 printf("mmc%d is available\n", curr_device);
41 } else if (strcmp(argv[1], "device") == 0) {
42 if (argc == 2) {
43 if (curr_device < 0) {
44 puts("No MMC device available\n");
45 return 1;
46 }
47 } else if (argc == 3) {
48 dev = (int)simple_strtoul(argv[2], NULL, 10);
49
50 #ifdef CONFIG_SYS_MMC_SET_DEV
51 if (mmc_set_dev(dev) != 0)
52 return 1;
53 #endif
54 curr_device = dev;
55 } else {
56 return CMD_RET_USAGE;
57 }
58
59 printf("mmc%d is current device\n", curr_device);
60 } else {
61 return CMD_RET_USAGE;
62 }
63
64 return 0;
65 }
66
67 U_BOOT_CMD(
68 mmc, 3, 1, do_mmc,
69 "MMC sub-system",
70 "init [dev] - init MMC sub system\n"
71 "mmc device [dev] - show or set current device"
72 );
73 #else /* !CONFIG_GENERIC_MMC */
74
75 static void print_mmcinfo(struct mmc *mmc)
76 {
77 int i;
78
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);
85
86 printf("Tran Speed: %d\n", mmc->tran_speed);
87 printf("Rd Block Len: %d\n", mmc->read_bl_len);
88
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));
94 printf("\n");
95
96 printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No");
97 puts("Capacity: ");
98 print_size(mmc->capacity, "\n");
99
100 printf("Bus Width: %d-bit%s\n", mmc->bus_width,
101 mmc->ddr_mode ? " DDR" : "");
102
103 puts("Erase Group Size: ");
104 print_size(((u64)mmc->erase_grp_size) << 9, "\n");
105
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);
109
110 puts("HC WP Group Size: ");
111 print_size(((u64)mmc->hc_wp_grp_size) << 9, "\n");
112
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)
116 puts(" WRREL\n");
117 else
118 putc('\n');
119 if (usr_enh) {
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");
124 }
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");
129
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))
138 puts(" WRREL\n");
139 else
140 putc('\n');
141 }
142 }
143 }
144 }
145 static struct mmc *init_mmc_device(int dev, bool force_init)
146 {
147 struct mmc *mmc;
148 mmc = find_mmc_device(dev);
149 if (!mmc) {
150 printf("no mmc device at slot %x\n", dev);
151 return NULL;
152 }
153 if (force_init)
154 mmc->has_init = 0;
155 if (mmc_init(mmc))
156 return NULL;
157 return mmc;
158 }
159 static int do_mmcinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
160 {
161 struct mmc *mmc;
162
163 if (curr_device < 0) {
164 if (get_mmc_num() > 0)
165 curr_device = 0;
166 else {
167 puts("No MMC device available\n");
168 return 1;
169 }
170 }
171
172 mmc = init_mmc_device(curr_device, false);
173 if (!mmc)
174 return CMD_RET_FAILURE;
175
176 print_mmcinfo(mmc);
177 return CMD_RET_SUCCESS;
178 }
179
180 #ifdef CONFIG_SUPPORT_EMMC_RPMB
181 static int confirm_key_prog(void)
182 {
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> ");
186 if (confirm_yesno())
187 return 1;
188
189 puts("Authentication key programming aborted\n");
190 return 0;
191 }
192 static int do_mmcrpmb_key(cmd_tbl_t *cmdtp, int flag,
193 int argc, char * const argv[])
194 {
195 void *key_addr;
196 struct mmc *mmc = find_mmc_device(curr_device);
197
198 if (argc != 2)
199 return CMD_RET_USAGE;
200
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;
207 }
208 return CMD_RET_SUCCESS;
209 }
210 static int do_mmcrpmb_read(cmd_tbl_t *cmdtp, int flag,
211 int argc, char * const argv[])
212 {
213 u16 blk, cnt;
214 void *addr;
215 int n;
216 void *key_addr = NULL;
217 struct mmc *mmc = find_mmc_device(curr_device);
218
219 if (argc < 4)
220 return CMD_RET_USAGE;
221
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);
225
226 if (argc == 5)
227 key_addr = (void *)simple_strtoul(argv[4], NULL, 16);
228
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);
232
233 printf("%d RPMB blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");
234 if (n != cnt)
235 return CMD_RET_FAILURE;
236 return CMD_RET_SUCCESS;
237 }
238 static int do_mmcrpmb_write(cmd_tbl_t *cmdtp, int flag,
239 int argc, char * const argv[])
240 {
241 u16 blk, cnt;
242 void *addr;
243 int n;
244 void *key_addr;
245 struct mmc *mmc = find_mmc_device(curr_device);
246
247 if (argc != 5)
248 return CMD_RET_USAGE;
249
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);
254
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);
258
259 printf("%d RPMB blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");
260 if (n != cnt)
261 return CMD_RET_FAILURE;
262 return CMD_RET_SUCCESS;
263 }
264 static int do_mmcrpmb_counter(cmd_tbl_t *cmdtp, int flag,
265 int argc, char * const argv[])
266 {
267 unsigned long counter;
268 struct mmc *mmc = find_mmc_device(curr_device);
269
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;
274 }
275
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, "", ""),
281 };
282
283 static int do_mmcrpmb(cmd_tbl_t *cmdtp, int flag,
284 int argc, char * const argv[])
285 {
286 cmd_tbl_t *cp;
287 struct mmc *mmc;
288 char original_part;
289 int ret;
290
291 cp = find_cmd_tbl(argv[1], cmd_rpmb, ARRAY_SIZE(cmd_rpmb));
292
293 /* Drop the rpmb subcommand */
294 argc--;
295 argv++;
296
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;
301
302 mmc = init_mmc_device(curr_device, false);
303 if (!mmc)
304 return CMD_RET_FAILURE;
305
306 if (!(mmc->version & MMC_VERSION_MMC)) {
307 printf("It is not a EMMC device\n");
308 return CMD_RET_FAILURE;
309 }
310 if (mmc->version < MMC_VERSION_4_41) {
311 printf("RPMB not supported before version 4.41\n");
312 return CMD_RET_FAILURE;
313 }
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;
320 }
321 ret = cp->cmd(cmdtp, flag, argc, argv);
322
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;
328 }
329 return ret;
330 }
331 #endif
332
333 static int do_mmc_read(cmd_tbl_t *cmdtp, int flag,
334 int argc, char * const argv[])
335 {
336 struct mmc *mmc;
337 u32 blk, cnt, n;
338 void *addr;
339
340 if (argc != 4)
341 return CMD_RET_USAGE;
342
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);
346
347 mmc = init_mmc_device(curr_device, false);
348 if (!mmc)
349 return CMD_RET_FAILURE;
350
351 printf("\nMMC read: dev # %d, block # %d, count %d ... ",
352 curr_device, blk, cnt);
353
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");
358
359 return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
360 }
361 static int do_mmc_write(cmd_tbl_t *cmdtp, int flag,
362 int argc, char * const argv[])
363 {
364 struct mmc *mmc;
365 u32 blk, cnt, n;
366 void *addr;
367
368 if (argc != 4)
369 return CMD_RET_USAGE;
370
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);
374
375 mmc = init_mmc_device(curr_device, false);
376 if (!mmc)
377 return CMD_RET_FAILURE;
378
379 printf("\nMMC write: dev # %d, block # %d, count %d ... ",
380 curr_device, blk, cnt);
381
382 if (mmc_getwp(mmc) == 1) {
383 printf("Error: card is write protected!\n");
384 return CMD_RET_FAILURE;
385 }
386 n = mmc->block_dev.block_write(curr_device, blk, cnt, addr);
387 printf("%d blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");
388
389 return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
390 }
391 static int do_mmc_erase(cmd_tbl_t *cmdtp, int flag,
392 int argc, char * const argv[])
393 {
394 struct mmc *mmc;
395 u32 blk, cnt, n;
396
397 if (argc != 3)
398 return CMD_RET_USAGE;
399
400 blk = simple_strtoul(argv[1], NULL, 16);
401 cnt = simple_strtoul(argv[2], NULL, 16);
402
403 mmc = init_mmc_device(curr_device, false);
404 if (!mmc)
405 return CMD_RET_FAILURE;
406
407 printf("\nMMC erase: dev # %d, block # %d, count %d ... ",
408 curr_device, blk, cnt);
409
410 if (mmc_getwp(mmc) == 1) {
411 printf("Error: card is write protected!\n");
412 return CMD_RET_FAILURE;
413 }
414 n = mmc->block_dev.block_erase(curr_device, blk, cnt);
415 printf("%d blocks erased: %s\n", n, (n == cnt) ? "OK" : "ERROR");
416
417 return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
418 }
419 static int do_mmc_rescan(cmd_tbl_t *cmdtp, int flag,
420 int argc, char * const argv[])
421 {
422 struct mmc *mmc;
423
424 mmc = init_mmc_device(curr_device, true);
425 if (!mmc)
426 return CMD_RET_FAILURE;
427
428 return CMD_RET_SUCCESS;
429 }
430 static int do_mmc_part(cmd_tbl_t *cmdtp, int flag,
431 int argc, char * const argv[])
432 {
433 block_dev_desc_t *mmc_dev;
434 struct mmc *mmc;
435
436 mmc = init_mmc_device(curr_device, false);
437 if (!mmc)
438 return CMD_RET_FAILURE;
439
440 mmc_dev = mmc_get_dev(curr_device);
441 if (mmc_dev != NULL && mmc_dev->type != DEV_TYPE_UNKNOWN) {
442 print_part(mmc_dev);
443 return CMD_RET_SUCCESS;
444 }
445
446 puts("get mmc type error!\n");
447 return CMD_RET_FAILURE;
448 }
449 static int do_mmc_dev(cmd_tbl_t *cmdtp, int flag,
450 int argc, char * const argv[])
451 {
452 int dev, part = 0, ret;
453 struct mmc *mmc;
454
455 if (argc == 1) {
456 dev = curr_device;
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",
464 PART_ACCESS_MASK);
465 return CMD_RET_FAILURE;
466 }
467 } else {
468 return CMD_RET_USAGE;
469 }
470
471 mmc = init_mmc_device(dev, true);
472 if (!mmc)
473 return CMD_RET_FAILURE;
474
475 ret = mmc_select_hwpart(dev, part);
476 printf("switch to partitions #%d, %s\n",
477 part, (!ret) ? "OK" : "ERROR");
478 if (ret)
479 return 1;
480
481 curr_device = dev;
482 if (mmc->part_config == MMCPART_NOAVAILABLE)
483 printf("mmc%d is current device\n", curr_device);
484 else
485 printf("mmc%d(part %d) is current device\n",
486 curr_device, mmc->part_num);
487
488 return CMD_RET_SUCCESS;
489 }
490 static int do_mmc_list(cmd_tbl_t *cmdtp, int flag,
491 int argc, char * const argv[])
492 {
493 print_mmc_devices('\n');
494 return CMD_RET_SUCCESS;
495 }
496
497 static int parse_hwpart_user(struct mmc_hwpart_conf *pconf,
498 int argc, char * const argv[])
499 {
500 int i = 0;
501
502 memset(&pconf->user, 0, sizeof(pconf->user));
503
504 while (i < argc) {
505 if (!strcmp(argv[i], "enh")) {
506 if (i + 2 >= argc)
507 return -1;
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);
512 i += 3;
513 } else if (!strcmp(argv[i], "wrrel")) {
514 if (i + 1 >= argc)
515 return -1;
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;
521 else
522 return -1;
523 i += 2;
524 } else {
525 break;
526 }
527 }
528 return i;
529 }
530
531 static int parse_hwpart_gp(struct mmc_hwpart_conf *pconf, int pidx,
532 int argc, char * const argv[])
533 {
534 int i;
535
536 memset(&pconf->gp_part[pidx], 0, sizeof(pconf->gp_part[pidx]));
537
538 if (1 >= argc)
539 return -1;
540 pconf->gp_part[pidx].size = simple_strtoul(argv[0], NULL, 10);
541
542 i = 1;
543 while (i < argc) {
544 if (!strcmp(argv[i], "enh")) {
545 pconf->gp_part[pidx].enhanced = 1;
546 i += 1;
547 } else if (!strcmp(argv[i], "wrrel")) {
548 if (i + 1 >= argc)
549 return -1;
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;
555 else
556 return -1;
557 i += 2;
558 } else {
559 break;
560 }
561 }
562 return i;
563 }
564
565 static int do_mmc_hwpartition(cmd_tbl_t *cmdtp, int flag,
566 int argc, char * const argv[])
567 {
568 struct mmc *mmc;
569 struct mmc_hwpart_conf pconf = { };
570 enum mmc_hwpart_conf_mode mode = MMC_HWPART_CONF_CHECK;
571 int i, r, pidx;
572
573 mmc = init_mmc_device(curr_device, false);
574 if (!mmc)
575 return CMD_RET_FAILURE;
576
577 if (argc < 1)
578 return CMD_RET_USAGE;
579 i = 1;
580 while (i < argc) {
581 if (!strcmp(argv[i], "user")) {
582 i++;
583 r = parse_hwpart_user(&pconf, argc-i, &argv[i]);
584 if (r < 0)
585 return CMD_RET_USAGE;
586 i += r;
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';
591 i++;
592 r = parse_hwpart_gp(&pconf, pidx, argc-i, &argv[i]);
593 if (r < 0)
594 return CMD_RET_USAGE;
595 i += r;
596 } else if (!strcmp(argv[i], "check")) {
597 mode = MMC_HWPART_CONF_CHECK;
598 i++;
599 } else if (!strcmp(argv[i], "set")) {
600 mode = MMC_HWPART_CONF_SET;
601 i++;
602 } else if (!strcmp(argv[i], "complete")) {
603 mode = MMC_HWPART_CONF_COMPLETE;
604 i++;
605 } else {
606 return CMD_RET_USAGE;
607 }
608 }
609
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");
616 } else {
617 puts("\tNo enhanced user data area\n");
618 }
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 ?
627 " ENH\n" : "\n");
628 } else {
629 printf("\tNo GP%i partition\n", pidx+1);
630 }
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");
634 }
635
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;
641 } else {
642 puts("Failed!\n");
643 return CMD_RET_FAILURE;
644 }
645 }
646
647 #ifdef CONFIG_SUPPORT_EMMC_BOOT
648 static int do_mmc_bootbus(cmd_tbl_t *cmdtp, int flag,
649 int argc, char * const argv[])
650 {
651 int dev;
652 struct mmc *mmc;
653 u8 width, reset, mode;
654
655 if (argc != 5)
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);
661
662 mmc = init_mmc_device(dev, false);
663 if (!mmc)
664 return CMD_RET_FAILURE;
665
666 if (IS_SD(mmc)) {
667 puts("BOOT_BUS_WIDTH only exists on eMMC\n");
668 return CMD_RET_FAILURE;
669 }
670
671 /* acknowledge to be sent during boot operation */
672 return mmc_set_boot_bus_width(mmc, width, reset, mode);
673 }
674 static int do_mmc_boot_resize(cmd_tbl_t *cmdtp, int flag,
675 int argc, char * const argv[])
676 {
677 int dev;
678 struct mmc *mmc;
679 u32 bootsize, rpmbsize;
680
681 if (argc != 4)
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);
686
687 mmc = init_mmc_device(dev, false);
688 if (!mmc)
689 return CMD_RET_FAILURE;
690
691 if (IS_SD(mmc)) {
692 printf("It is not a EMMC device\n");
693 return CMD_RET_FAILURE;
694 }
695
696 if (mmc_boot_partition_size_change(mmc, bootsize, rpmbsize)) {
697 printf("EMMC boot partition Size change Failed.\n");
698 return CMD_RET_FAILURE;
699 }
700
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;
704 }
705 static int do_mmc_partconf(cmd_tbl_t *cmdtp, int flag,
706 int argc, char * const argv[])
707 {
708 int dev;
709 struct mmc *mmc;
710 u8 ack, part_num, access;
711
712 if (argc != 5)
713 return CMD_RET_USAGE;
714
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);
719
720 mmc = init_mmc_device(dev, false);
721 if (!mmc)
722 return CMD_RET_FAILURE;
723
724 if (IS_SD(mmc)) {
725 puts("PARTITION_CONFIG only exists on eMMC\n");
726 return CMD_RET_FAILURE;
727 }
728
729 /* acknowledge to be sent during boot operation */
730 return mmc_set_part_conf(mmc, ack, part_num, access);
731 }
732 static int do_mmc_rst_func(cmd_tbl_t *cmdtp, int flag,
733 int argc, char * const argv[])
734 {
735 int dev;
736 struct mmc *mmc;
737 u8 enable;
738
739 /*
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.
743 */
744 if (argc != 3)
745 return CMD_RET_USAGE;
746
747 dev = simple_strtoul(argv[1], NULL, 10);
748 enable = simple_strtoul(argv[2], NULL, 10);
749
750 if (enable > 2 || enable < 0) {
751 puts("Invalid RST_n_ENABLE value\n");
752 return CMD_RET_USAGE;
753 }
754
755 mmc = init_mmc_device(dev, false);
756 if (!mmc)
757 return CMD_RET_FAILURE;
758
759 if (IS_SD(mmc)) {
760 puts("RST_n_FUNCTION only exists on eMMC\n");
761 return CMD_RET_FAILURE;
762 }
763
764 return mmc_set_rst_n_function(mmc, enable);
765 }
766 #endif
767 static int do_mmc_setdsr(cmd_tbl_t *cmdtp, int flag,
768 int argc, char * const argv[])
769 {
770 struct mmc *mmc;
771 u32 val;
772 int ret;
773
774 if (argc != 2)
775 return CMD_RET_USAGE;
776 val = simple_strtoul(argv[2], NULL, 16);
777
778 mmc = find_mmc_device(curr_device);
779 if (!mmc) {
780 printf("no mmc device at slot %x\n", curr_device);
781 return CMD_RET_FAILURE;
782 }
783 ret = mmc_set_dsr(mmc, val);
784 printf("set dsr %s\n", (!ret) ? "OK, force rescan" : "ERROR");
785 if (!ret) {
786 mmc->has_init = 0;
787 if (mmc_init(mmc))
788 return CMD_RET_FAILURE;
789 else
790 return CMD_RET_SUCCESS;
791 }
792 return ret;
793 }
794
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, "", ""),
810 #endif
811 #ifdef CONFIG_SUPPORT_EMMC_RPMB
812 U_BOOT_CMD_MKENT(rpmb, CONFIG_SYS_MAXARGS, 1, do_mmcrpmb, "", ""),
813 #endif
814 U_BOOT_CMD_MKENT(setdsr, 2, 0, do_mmc_setdsr, "", ""),
815 };
816
817 static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
818 {
819 cmd_tbl_t *cp;
820
821 cp = find_cmd_tbl(argv[1], cmd_mmc, ARRAY_SIZE(cmd_mmc));
822
823 /* Drop the mmc command */
824 argc--;
825 argv++;
826
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;
831
832 if (curr_device < 0) {
833 if (get_mmc_num() > 0) {
834 curr_device = 0;
835 } else {
836 puts("No MMC device available\n");
837 return CMD_RET_FAILURE;
838 }
839 }
840 return cp->cmd(cmdtp, flag, argc, argv);
841 }
842
843 U_BOOT_CMD(
844 mmc, 29, 1, do_mmcops,
845 "MMC sub system",
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"
850 "mmc rescan\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"
871 #endif
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"
877 #endif
878 "mmc setdsr <value> - set DSR register value\n"
879 );
880
881 /* Old command kept for compatibility. Same as 'mmc info' */
882 U_BOOT_CMD(
883 mmcinfo, 1, 0, do_mmcinfo,
884 "display MMC info",
885 "- display info of the current MMC device"
886 );
887
888 #endif /* !CONFIG_GENERIC_MMC */