]> git.sur5r.net Git - u-boot/blob - cmd/mmc.c
Merge git://git.denx.de/u-boot-dm
[u-boot] / cmd / mmc.c
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->block_dev.part_num;
316         if (mmc_select_hwpart(curr_device, MMC_PART_RPMB) != 0)
317                 return CMD_RET_FAILURE;
318         ret = cp->cmd(cmdtp, flag, argc, argv);
319
320         /* Return to original partition */
321         if (mmc_select_hwpart(curr_device, original_part) != 0)
322                 return CMD_RET_FAILURE;
323         return ret;
324 }
325 #endif
326
327 static int do_mmc_read(cmd_tbl_t *cmdtp, int flag,
328                        int argc, char * const argv[])
329 {
330         struct mmc *mmc;
331         u32 blk, cnt, n;
332         void *addr;
333
334         if (argc != 4)
335                 return CMD_RET_USAGE;
336
337         addr = (void *)simple_strtoul(argv[1], NULL, 16);
338         blk = simple_strtoul(argv[2], NULL, 16);
339         cnt = simple_strtoul(argv[3], NULL, 16);
340
341         mmc = init_mmc_device(curr_device, false);
342         if (!mmc)
343                 return CMD_RET_FAILURE;
344
345         printf("\nMMC read: dev # %d, block # %d, count %d ... ",
346                curr_device, blk, cnt);
347
348         n = mmc->block_dev.block_read(&mmc->block_dev, blk, cnt, addr);
349         /* flush cache after read */
350         flush_cache((ulong)addr, cnt * 512); /* FIXME */
351         printf("%d blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");
352
353         return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
354 }
355 static int do_mmc_write(cmd_tbl_t *cmdtp, int flag,
356                         int argc, char * const argv[])
357 {
358         struct mmc *mmc;
359         u32 blk, cnt, n;
360         void *addr;
361
362         if (argc != 4)
363                 return CMD_RET_USAGE;
364
365         addr = (void *)simple_strtoul(argv[1], NULL, 16);
366         blk = simple_strtoul(argv[2], NULL, 16);
367         cnt = simple_strtoul(argv[3], NULL, 16);
368
369         mmc = init_mmc_device(curr_device, false);
370         if (!mmc)
371                 return CMD_RET_FAILURE;
372
373         printf("\nMMC write: dev # %d, block # %d, count %d ... ",
374                curr_device, blk, cnt);
375
376         if (mmc_getwp(mmc) == 1) {
377                 printf("Error: card is write protected!\n");
378                 return CMD_RET_FAILURE;
379         }
380         n = mmc->block_dev.block_write(&mmc->block_dev, blk, cnt, addr);
381         printf("%d blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");
382
383         return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
384 }
385 static int do_mmc_erase(cmd_tbl_t *cmdtp, int flag,
386                         int argc, char * const argv[])
387 {
388         struct mmc *mmc;
389         u32 blk, cnt, n;
390
391         if (argc != 3)
392                 return CMD_RET_USAGE;
393
394         blk = simple_strtoul(argv[1], NULL, 16);
395         cnt = simple_strtoul(argv[2], NULL, 16);
396
397         mmc = init_mmc_device(curr_device, false);
398         if (!mmc)
399                 return CMD_RET_FAILURE;
400
401         printf("\nMMC erase: dev # %d, block # %d, count %d ... ",
402                curr_device, blk, cnt);
403
404         if (mmc_getwp(mmc) == 1) {
405                 printf("Error: card is write protected!\n");
406                 return CMD_RET_FAILURE;
407         }
408         n = mmc->block_dev.block_erase(&mmc->block_dev, blk, cnt);
409         printf("%d blocks erased: %s\n", n, (n == cnt) ? "OK" : "ERROR");
410
411         return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
412 }
413 static int do_mmc_rescan(cmd_tbl_t *cmdtp, int flag,
414                          int argc, char * const argv[])
415 {
416         struct mmc *mmc;
417
418         mmc = init_mmc_device(curr_device, true);
419         if (!mmc)
420                 return CMD_RET_FAILURE;
421
422         return CMD_RET_SUCCESS;
423 }
424 static int do_mmc_part(cmd_tbl_t *cmdtp, int flag,
425                        int argc, char * const argv[])
426 {
427         struct blk_desc *mmc_dev;
428         struct mmc *mmc;
429
430         mmc = init_mmc_device(curr_device, false);
431         if (!mmc)
432                 return CMD_RET_FAILURE;
433
434         mmc_dev = mmc_get_dev(curr_device);
435         if (mmc_dev != NULL && mmc_dev->type != DEV_TYPE_UNKNOWN) {
436                 part_print(mmc_dev);
437                 return CMD_RET_SUCCESS;
438         }
439
440         puts("get mmc type error!\n");
441         return CMD_RET_FAILURE;
442 }
443 static int do_mmc_dev(cmd_tbl_t *cmdtp, int flag,
444                       int argc, char * const argv[])
445 {
446         int dev, part = 0, ret;
447         struct mmc *mmc;
448
449         if (argc == 1) {
450                 dev = curr_device;
451         } else if (argc == 2) {
452                 dev = simple_strtoul(argv[1], NULL, 10);
453         } else if (argc == 3) {
454                 dev = (int)simple_strtoul(argv[1], NULL, 10);
455                 part = (int)simple_strtoul(argv[2], NULL, 10);
456                 if (part > PART_ACCESS_MASK) {
457                         printf("#part_num shouldn't be larger than %d\n",
458                                PART_ACCESS_MASK);
459                         return CMD_RET_FAILURE;
460                 }
461         } else {
462                 return CMD_RET_USAGE;
463         }
464
465         mmc = init_mmc_device(dev, true);
466         if (!mmc)
467                 return CMD_RET_FAILURE;
468
469         ret = mmc_select_hwpart(dev, part);
470         printf("switch to partitions #%d, %s\n",
471                part, (!ret) ? "OK" : "ERROR");
472         if (ret)
473                 return 1;
474
475         curr_device = dev;
476         if (mmc->part_config == MMCPART_NOAVAILABLE)
477                 printf("mmc%d is current device\n", curr_device);
478         else
479                 printf("mmc%d(part %d) is current device\n",
480                        curr_device, mmc->block_dev.hwpart);
481
482         return CMD_RET_SUCCESS;
483 }
484 static int do_mmc_list(cmd_tbl_t *cmdtp, int flag,
485                        int argc, char * const argv[])
486 {
487         print_mmc_devices('\n');
488         return CMD_RET_SUCCESS;
489 }
490
491 static int parse_hwpart_user(struct mmc_hwpart_conf *pconf,
492                              int argc, char * const argv[])
493 {
494         int i = 0;
495
496         memset(&pconf->user, 0, sizeof(pconf->user));
497
498         while (i < argc) {
499                 if (!strcmp(argv[i], "enh")) {
500                         if (i + 2 >= argc)
501                                 return -1;
502                         pconf->user.enh_start =
503                                 simple_strtoul(argv[i+1], NULL, 10);
504                         pconf->user.enh_size =
505                                 simple_strtoul(argv[i+2], NULL, 10);
506                         i += 3;
507                 } else if (!strcmp(argv[i], "wrrel")) {
508                         if (i + 1 >= argc)
509                                 return -1;
510                         pconf->user.wr_rel_change = 1;
511                         if (!strcmp(argv[i+1], "on"))
512                                 pconf->user.wr_rel_set = 1;
513                         else if (!strcmp(argv[i+1], "off"))
514                                 pconf->user.wr_rel_set = 0;
515                         else
516                                 return -1;
517                         i += 2;
518                 } else {
519                         break;
520                 }
521         }
522         return i;
523 }
524
525 static int parse_hwpart_gp(struct mmc_hwpart_conf *pconf, int pidx,
526                            int argc, char * const argv[])
527 {
528         int i;
529
530         memset(&pconf->gp_part[pidx], 0, sizeof(pconf->gp_part[pidx]));
531
532         if (1 >= argc)
533                 return -1;
534         pconf->gp_part[pidx].size = simple_strtoul(argv[0], NULL, 10);
535
536         i = 1;
537         while (i < argc) {
538                 if (!strcmp(argv[i], "enh")) {
539                         pconf->gp_part[pidx].enhanced = 1;
540                         i += 1;
541                 } else if (!strcmp(argv[i], "wrrel")) {
542                         if (i + 1 >= argc)
543                                 return -1;
544                         pconf->gp_part[pidx].wr_rel_change = 1;
545                         if (!strcmp(argv[i+1], "on"))
546                                 pconf->gp_part[pidx].wr_rel_set = 1;
547                         else if (!strcmp(argv[i+1], "off"))
548                                 pconf->gp_part[pidx].wr_rel_set = 0;
549                         else
550                                 return -1;
551                         i += 2;
552                 } else {
553                         break;
554                 }
555         }
556         return i;
557 }
558
559 static int do_mmc_hwpartition(cmd_tbl_t *cmdtp, int flag,
560                               int argc, char * const argv[])
561 {
562         struct mmc *mmc;
563         struct mmc_hwpart_conf pconf = { };
564         enum mmc_hwpart_conf_mode mode = MMC_HWPART_CONF_CHECK;
565         int i, r, pidx;
566
567         mmc = init_mmc_device(curr_device, false);
568         if (!mmc)
569                 return CMD_RET_FAILURE;
570
571         if (argc < 1)
572                 return CMD_RET_USAGE;
573         i = 1;
574         while (i < argc) {
575                 if (!strcmp(argv[i], "user")) {
576                         i++;
577                         r = parse_hwpart_user(&pconf, argc-i, &argv[i]);
578                         if (r < 0)
579                                 return CMD_RET_USAGE;
580                         i += r;
581                 } else if (!strncmp(argv[i], "gp", 2) &&
582                            strlen(argv[i]) == 3 &&
583                            argv[i][2] >= '1' && argv[i][2] <= '4') {
584                         pidx = argv[i][2] - '1';
585                         i++;
586                         r = parse_hwpart_gp(&pconf, pidx, argc-i, &argv[i]);
587                         if (r < 0)
588                                 return CMD_RET_USAGE;
589                         i += r;
590                 } else if (!strcmp(argv[i], "check")) {
591                         mode = MMC_HWPART_CONF_CHECK;
592                         i++;
593                 } else if (!strcmp(argv[i], "set")) {
594                         mode = MMC_HWPART_CONF_SET;
595                         i++;
596                 } else if (!strcmp(argv[i], "complete")) {
597                         mode = MMC_HWPART_CONF_COMPLETE;
598                         i++;
599                 } else {
600                         return CMD_RET_USAGE;
601                 }
602         }
603
604         puts("Partition configuration:\n");
605         if (pconf.user.enh_size) {
606                 puts("\tUser Enhanced Start: ");
607                 print_size(((u64)pconf.user.enh_start) << 9, "\n");
608                 puts("\tUser Enhanced Size: ");
609                 print_size(((u64)pconf.user.enh_size) << 9, "\n");
610         } else {
611                 puts("\tNo enhanced user data area\n");
612         }
613         if (pconf.user.wr_rel_change)
614                 printf("\tUser partition write reliability: %s\n",
615                        pconf.user.wr_rel_set ? "on" : "off");
616         for (pidx = 0; pidx < 4; pidx++) {
617                 if (pconf.gp_part[pidx].size) {
618                         printf("\tGP%i Capacity: ", pidx+1);
619                         print_size(((u64)pconf.gp_part[pidx].size) << 9,
620                                    pconf.gp_part[pidx].enhanced ?
621                                    " ENH\n" : "\n");
622                 } else {
623                         printf("\tNo GP%i partition\n", pidx+1);
624                 }
625                 if (pconf.gp_part[pidx].wr_rel_change)
626                         printf("\tGP%i write reliability: %s\n", pidx+1,
627                                pconf.gp_part[pidx].wr_rel_set ? "on" : "off");
628         }
629
630         if (!mmc_hwpart_config(mmc, &pconf, mode)) {
631                 if (mode == MMC_HWPART_CONF_COMPLETE)
632                         puts("Partitioning successful, "
633                              "power-cycle to make effective\n");
634                 return CMD_RET_SUCCESS;
635         } else {
636                 puts("Failed!\n");
637                 return CMD_RET_FAILURE;
638         }
639 }
640
641 #ifdef CONFIG_SUPPORT_EMMC_BOOT
642 static int do_mmc_bootbus(cmd_tbl_t *cmdtp, int flag,
643                           int argc, char * const argv[])
644 {
645         int dev;
646         struct mmc *mmc;
647         u8 width, reset, mode;
648
649         if (argc != 5)
650                 return CMD_RET_USAGE;
651         dev = simple_strtoul(argv[1], NULL, 10);
652         width = simple_strtoul(argv[2], NULL, 10);
653         reset = simple_strtoul(argv[3], NULL, 10);
654         mode = simple_strtoul(argv[4], NULL, 10);
655
656         mmc = init_mmc_device(dev, false);
657         if (!mmc)
658                 return CMD_RET_FAILURE;
659
660         if (IS_SD(mmc)) {
661                 puts("BOOT_BUS_WIDTH only exists on eMMC\n");
662                 return CMD_RET_FAILURE;
663         }
664
665         /* acknowledge to be sent during boot operation */
666         return mmc_set_boot_bus_width(mmc, width, reset, mode);
667 }
668 static int do_mmc_boot_resize(cmd_tbl_t *cmdtp, int flag,
669                               int argc, char * const argv[])
670 {
671         int dev;
672         struct mmc *mmc;
673         u32 bootsize, rpmbsize;
674
675         if (argc != 4)
676                 return CMD_RET_USAGE;
677         dev = simple_strtoul(argv[1], NULL, 10);
678         bootsize = simple_strtoul(argv[2], NULL, 10);
679         rpmbsize = simple_strtoul(argv[3], NULL, 10);
680
681         mmc = init_mmc_device(dev, false);
682         if (!mmc)
683                 return CMD_RET_FAILURE;
684
685         if (IS_SD(mmc)) {
686                 printf("It is not a EMMC device\n");
687                 return CMD_RET_FAILURE;
688         }
689
690         if (mmc_boot_partition_size_change(mmc, bootsize, rpmbsize)) {
691                 printf("EMMC boot partition Size change Failed.\n");
692                 return CMD_RET_FAILURE;
693         }
694
695         printf("EMMC boot partition Size %d MB\n", bootsize);
696         printf("EMMC RPMB partition Size %d MB\n", rpmbsize);
697         return CMD_RET_SUCCESS;
698 }
699 static int do_mmc_partconf(cmd_tbl_t *cmdtp, int flag,
700                            int argc, char * const argv[])
701 {
702         int dev;
703         struct mmc *mmc;
704         u8 ack, part_num, access;
705
706         if (argc != 5)
707                 return CMD_RET_USAGE;
708
709         dev = simple_strtoul(argv[1], NULL, 10);
710         ack = simple_strtoul(argv[2], NULL, 10);
711         part_num = simple_strtoul(argv[3], NULL, 10);
712         access = simple_strtoul(argv[4], NULL, 10);
713
714         mmc = init_mmc_device(dev, false);
715         if (!mmc)
716                 return CMD_RET_FAILURE;
717
718         if (IS_SD(mmc)) {
719                 puts("PARTITION_CONFIG only exists on eMMC\n");
720                 return CMD_RET_FAILURE;
721         }
722
723         /* acknowledge to be sent during boot operation */
724         return mmc_set_part_conf(mmc, ack, part_num, access);
725 }
726 static int do_mmc_rst_func(cmd_tbl_t *cmdtp, int flag,
727                            int argc, char * const argv[])
728 {
729         int dev;
730         struct mmc *mmc;
731         u8 enable;
732
733         /*
734          * Set the RST_n_ENABLE bit of RST_n_FUNCTION
735          * The only valid values are 0x0, 0x1 and 0x2 and writing
736          * a value of 0x1 or 0x2 sets the value permanently.
737          */
738         if (argc != 3)
739                 return CMD_RET_USAGE;
740
741         dev = simple_strtoul(argv[1], NULL, 10);
742         enable = simple_strtoul(argv[2], NULL, 10);
743
744         if (enable > 2) {
745                 puts("Invalid RST_n_ENABLE value\n");
746                 return CMD_RET_USAGE;
747         }
748
749         mmc = init_mmc_device(dev, false);
750         if (!mmc)
751                 return CMD_RET_FAILURE;
752
753         if (IS_SD(mmc)) {
754                 puts("RST_n_FUNCTION only exists on eMMC\n");
755                 return CMD_RET_FAILURE;
756         }
757
758         return mmc_set_rst_n_function(mmc, enable);
759 }
760 #endif
761 static int do_mmc_setdsr(cmd_tbl_t *cmdtp, int flag,
762                          int argc, char * const argv[])
763 {
764         struct mmc *mmc;
765         u32 val;
766         int ret;
767
768         if (argc != 2)
769                 return CMD_RET_USAGE;
770         val = simple_strtoul(argv[2], NULL, 16);
771
772         mmc = find_mmc_device(curr_device);
773         if (!mmc) {
774                 printf("no mmc device at slot %x\n", curr_device);
775                 return CMD_RET_FAILURE;
776         }
777         ret = mmc_set_dsr(mmc, val);
778         printf("set dsr %s\n", (!ret) ? "OK, force rescan" : "ERROR");
779         if (!ret) {
780                 mmc->has_init = 0;
781                 if (mmc_init(mmc))
782                         return CMD_RET_FAILURE;
783                 else
784                         return CMD_RET_SUCCESS;
785         }
786         return ret;
787 }
788
789 static cmd_tbl_t cmd_mmc[] = {
790         U_BOOT_CMD_MKENT(info, 1, 0, do_mmcinfo, "", ""),
791         U_BOOT_CMD_MKENT(read, 4, 1, do_mmc_read, "", ""),
792         U_BOOT_CMD_MKENT(write, 4, 0, do_mmc_write, "", ""),
793         U_BOOT_CMD_MKENT(erase, 3, 0, do_mmc_erase, "", ""),
794         U_BOOT_CMD_MKENT(rescan, 1, 1, do_mmc_rescan, "", ""),
795         U_BOOT_CMD_MKENT(part, 1, 1, do_mmc_part, "", ""),
796         U_BOOT_CMD_MKENT(dev, 3, 0, do_mmc_dev, "", ""),
797         U_BOOT_CMD_MKENT(list, 1, 1, do_mmc_list, "", ""),
798         U_BOOT_CMD_MKENT(hwpartition, 28, 0, do_mmc_hwpartition, "", ""),
799 #ifdef CONFIG_SUPPORT_EMMC_BOOT
800         U_BOOT_CMD_MKENT(bootbus, 5, 0, do_mmc_bootbus, "", ""),
801         U_BOOT_CMD_MKENT(bootpart-resize, 4, 0, do_mmc_boot_resize, "", ""),
802         U_BOOT_CMD_MKENT(partconf, 5, 0, do_mmc_partconf, "", ""),
803         U_BOOT_CMD_MKENT(rst-function, 3, 0, do_mmc_rst_func, "", ""),
804 #endif
805 #ifdef CONFIG_SUPPORT_EMMC_RPMB
806         U_BOOT_CMD_MKENT(rpmb, CONFIG_SYS_MAXARGS, 1, do_mmcrpmb, "", ""),
807 #endif
808         U_BOOT_CMD_MKENT(setdsr, 2, 0, do_mmc_setdsr, "", ""),
809 };
810
811 static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
812 {
813         cmd_tbl_t *cp;
814
815         cp = find_cmd_tbl(argv[1], cmd_mmc, ARRAY_SIZE(cmd_mmc));
816
817         /* Drop the mmc command */
818         argc--;
819         argv++;
820
821         if (cp == NULL || argc > cp->maxargs)
822                 return CMD_RET_USAGE;
823         if (flag == CMD_FLAG_REPEAT && !cp->repeatable)
824                 return CMD_RET_SUCCESS;
825
826         if (curr_device < 0) {
827                 if (get_mmc_num() > 0) {
828                         curr_device = 0;
829                 } else {
830                         puts("No MMC device available\n");
831                         return CMD_RET_FAILURE;
832                 }
833         }
834         return cp->cmd(cmdtp, flag, argc, argv);
835 }
836
837 U_BOOT_CMD(
838         mmc, 29, 1, do_mmcops,
839         "MMC sub system",
840         "info - display info of the current MMC device\n"
841         "mmc read addr blk# cnt\n"
842         "mmc write addr blk# cnt\n"
843         "mmc erase blk# cnt\n"
844         "mmc rescan\n"
845         "mmc part - lists available partition on current mmc device\n"
846         "mmc dev [dev] [part] - show or set current mmc device [partition]\n"
847         "mmc list - lists available devices\n"
848         "mmc hwpartition [args...] - does hardware partitioning\n"
849         "  arguments (sizes in 512-byte blocks):\n"
850         "    [user [enh start cnt] [wrrel {on|off}]] - sets user data area attributes\n"
851         "    [gp1|gp2|gp3|gp4 cnt [enh] [wrrel {on|off}]] - general purpose partition\n"
852         "    [check|set|complete] - mode, complete set partitioning completed\n"
853         "  WARNING: Partitioning is a write-once setting once it is set to complete.\n"
854         "  Power cycling is required to initialize partitions after set to complete.\n"
855 #ifdef CONFIG_SUPPORT_EMMC_BOOT
856         "mmc bootbus dev boot_bus_width reset_boot_bus_width boot_mode\n"
857         " - Set the BOOT_BUS_WIDTH field of the specified device\n"
858         "mmc bootpart-resize <dev> <boot part size MB> <RPMB part size MB>\n"
859         " - Change sizes of boot and RPMB partitions of specified device\n"
860         "mmc partconf dev boot_ack boot_partition partition_access\n"
861         " - Change the bits of the PARTITION_CONFIG field of the specified device\n"
862         "mmc rst-function dev value\n"
863         " - Change the RST_n_FUNCTION field of the specified device\n"
864         "   WARNING: This is a write-once field and 0 / 1 / 2 are the only valid values.\n"
865 #endif
866 #ifdef CONFIG_SUPPORT_EMMC_RPMB
867         "mmc rpmb read addr blk# cnt [address of auth-key] - block size is 256 bytes\n"
868         "mmc rpmb write addr blk# cnt <address of auth-key> - block size is 256 bytes\n"
869         "mmc rpmb key <address of auth-key> - program the RPMB authentication key.\n"
870         "mmc rpmb counter - read the value of the write counter\n"
871 #endif
872         "mmc setdsr <value> - set DSR register value\n"
873         );
874
875 /* Old command kept for compatibility. Same as 'mmc info' */
876 U_BOOT_CMD(
877         mmcinfo, 1, 0, do_mmcinfo,
878         "display MMC info",
879         "- display info of the current MMC device"
880 );
881
882 #endif /* !CONFIG_GENERIC_MMC */