xref: /openbmc/u-boot/cmd/mmc.c (revision ae485b54)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * (C) Copyright 2003
4  * Kyle Harris, kharris@nexus-tech.net
5  */
6 
7 #include <common.h>
8 #include <command.h>
9 #include <console.h>
10 #include <mmc.h>
11 #include <sparse_format.h>
12 #include <image-sparse.h>
13 
14 static int curr_device = -1;
15 
16 static void print_mmcinfo(struct mmc *mmc)
17 {
18 	int i;
19 
20 	printf("Device: %s\n", mmc->cfg->name);
21 	printf("Manufacturer ID: %x\n", mmc->cid[0] >> 24);
22 	printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xffff);
23 	printf("Name: %c%c%c%c%c \n", mmc->cid[0] & 0xff,
24 			(mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff,
25 			(mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff);
26 
27 	printf("Bus Speed: %d\n", mmc->clock);
28 #if CONFIG_IS_ENABLED(MMC_VERBOSE)
29 	printf("Mode : %s\n", mmc_mode_name(mmc->selected_mode));
30 	mmc_dump_capabilities("card capabilities", mmc->card_caps);
31 	mmc_dump_capabilities("host capabilities", mmc->host_caps);
32 #endif
33 	printf("Rd Block Len: %d\n", mmc->read_bl_len);
34 
35 	printf("%s version %d.%d", IS_SD(mmc) ? "SD" : "MMC",
36 			EXTRACT_SDMMC_MAJOR_VERSION(mmc->version),
37 			EXTRACT_SDMMC_MINOR_VERSION(mmc->version));
38 	if (EXTRACT_SDMMC_CHANGE_VERSION(mmc->version) != 0)
39 		printf(".%d", EXTRACT_SDMMC_CHANGE_VERSION(mmc->version));
40 	printf("\n");
41 
42 	printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No");
43 	puts("Capacity: ");
44 	print_size(mmc->capacity, "\n");
45 
46 	printf("Bus Width: %d-bit%s\n", mmc->bus_width,
47 			mmc->ddr_mode ? " DDR" : "");
48 
49 #if CONFIG_IS_ENABLED(MMC_WRITE)
50 	puts("Erase Group Size: ");
51 	print_size(((u64)mmc->erase_grp_size) << 9, "\n");
52 #endif
53 
54 	if (!IS_SD(mmc) && mmc->version >= MMC_VERSION_4_41) {
55 		bool has_enh = (mmc->part_support & ENHNCD_SUPPORT) != 0;
56 		bool usr_enh = has_enh && (mmc->part_attr & EXT_CSD_ENH_USR);
57 
58 #if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
59 		puts("HC WP Group Size: ");
60 		print_size(((u64)mmc->hc_wp_grp_size) << 9, "\n");
61 #endif
62 
63 		puts("User Capacity: ");
64 		print_size(mmc->capacity_user, usr_enh ? " ENH" : "");
65 		if (mmc->wr_rel_set & EXT_CSD_WR_DATA_REL_USR)
66 			puts(" WRREL\n");
67 		else
68 			putc('\n');
69 		if (usr_enh) {
70 			puts("User Enhanced Start: ");
71 			print_size(mmc->enh_user_start, "\n");
72 			puts("User Enhanced Size: ");
73 			print_size(mmc->enh_user_size, "\n");
74 		}
75 		puts("Boot Capacity: ");
76 		print_size(mmc->capacity_boot, has_enh ? " ENH\n" : "\n");
77 		puts("RPMB Capacity: ");
78 		print_size(mmc->capacity_rpmb, has_enh ? " ENH\n" : "\n");
79 
80 		for (i = 0; i < ARRAY_SIZE(mmc->capacity_gp); i++) {
81 			bool is_enh = has_enh &&
82 				(mmc->part_attr & EXT_CSD_ENH_GP(i));
83 			if (mmc->capacity_gp[i]) {
84 				printf("GP%i Capacity: ", i+1);
85 				print_size(mmc->capacity_gp[i],
86 					   is_enh ? " ENH" : "");
87 				if (mmc->wr_rel_set & EXT_CSD_WR_DATA_REL_GP(i))
88 					puts(" WRREL\n");
89 				else
90 					putc('\n');
91 			}
92 		}
93 	}
94 }
95 static struct mmc *init_mmc_device(int dev, bool force_init)
96 {
97 	struct mmc *mmc;
98 	mmc = find_mmc_device(dev);
99 	if (!mmc) {
100 		printf("no mmc device at slot %x\n", dev);
101 		return NULL;
102 	}
103 
104 	if (force_init)
105 		mmc->has_init = 0;
106 	if (mmc_init(mmc))
107 		return NULL;
108 	return mmc;
109 }
110 static int do_mmcinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
111 {
112 	struct mmc *mmc;
113 
114 	if (curr_device < 0) {
115 		if (get_mmc_num() > 0)
116 			curr_device = 0;
117 		else {
118 			puts("No MMC device available\n");
119 			return 1;
120 		}
121 	}
122 
123 	mmc = init_mmc_device(curr_device, false);
124 	if (!mmc)
125 		return CMD_RET_FAILURE;
126 
127 	print_mmcinfo(mmc);
128 	return CMD_RET_SUCCESS;
129 }
130 
131 #if CONFIG_IS_ENABLED(CMD_MMC_RPMB)
132 static int confirm_key_prog(void)
133 {
134 	puts("Warning: Programming authentication key can be done only once !\n"
135 	     "         Use this command only if you are sure of what you are doing,\n"
136 	     "Really perform the key programming? <y/N> ");
137 	if (confirm_yesno())
138 		return 1;
139 
140 	puts("Authentication key programming aborted\n");
141 	return 0;
142 }
143 static int do_mmcrpmb_key(cmd_tbl_t *cmdtp, int flag,
144 			  int argc, char * const argv[])
145 {
146 	void *key_addr;
147 	struct mmc *mmc = find_mmc_device(curr_device);
148 
149 	if (argc != 2)
150 		return CMD_RET_USAGE;
151 
152 	key_addr = (void *)simple_strtoul(argv[1], NULL, 16);
153 	if (!confirm_key_prog())
154 		return CMD_RET_FAILURE;
155 	if (mmc_rpmb_set_key(mmc, key_addr)) {
156 		printf("ERROR - Key already programmed ?\n");
157 		return CMD_RET_FAILURE;
158 	}
159 	return CMD_RET_SUCCESS;
160 }
161 static int do_mmcrpmb_read(cmd_tbl_t *cmdtp, int flag,
162 			   int argc, char * const argv[])
163 {
164 	u16 blk, cnt;
165 	void *addr;
166 	int n;
167 	void *key_addr = NULL;
168 	struct mmc *mmc = find_mmc_device(curr_device);
169 
170 	if (argc < 4)
171 		return CMD_RET_USAGE;
172 
173 	addr = (void *)simple_strtoul(argv[1], NULL, 16);
174 	blk = simple_strtoul(argv[2], NULL, 16);
175 	cnt = simple_strtoul(argv[3], NULL, 16);
176 
177 	if (argc == 5)
178 		key_addr = (void *)simple_strtoul(argv[4], NULL, 16);
179 
180 	printf("\nMMC RPMB read: dev # %d, block # %d, count %d ... ",
181 	       curr_device, blk, cnt);
182 	n =  mmc_rpmb_read(mmc, addr, blk, cnt, key_addr);
183 
184 	printf("%d RPMB blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");
185 	if (n != cnt)
186 		return CMD_RET_FAILURE;
187 	return CMD_RET_SUCCESS;
188 }
189 static int do_mmcrpmb_write(cmd_tbl_t *cmdtp, int flag,
190 			    int argc, char * const argv[])
191 {
192 	u16 blk, cnt;
193 	void *addr;
194 	int n;
195 	void *key_addr;
196 	struct mmc *mmc = find_mmc_device(curr_device);
197 
198 	if (argc != 5)
199 		return CMD_RET_USAGE;
200 
201 	addr = (void *)simple_strtoul(argv[1], NULL, 16);
202 	blk = simple_strtoul(argv[2], NULL, 16);
203 	cnt = simple_strtoul(argv[3], NULL, 16);
204 	key_addr = (void *)simple_strtoul(argv[4], NULL, 16);
205 
206 	printf("\nMMC RPMB write: dev # %d, block # %d, count %d ... ",
207 	       curr_device, blk, cnt);
208 	n =  mmc_rpmb_write(mmc, addr, blk, cnt, key_addr);
209 
210 	printf("%d RPMB blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");
211 	if (n != cnt)
212 		return CMD_RET_FAILURE;
213 	return CMD_RET_SUCCESS;
214 }
215 static int do_mmcrpmb_counter(cmd_tbl_t *cmdtp, int flag,
216 			      int argc, char * const argv[])
217 {
218 	unsigned long counter;
219 	struct mmc *mmc = find_mmc_device(curr_device);
220 
221 	if (mmc_rpmb_get_counter(mmc, &counter))
222 		return CMD_RET_FAILURE;
223 	printf("RPMB Write counter= %lx\n", counter);
224 	return CMD_RET_SUCCESS;
225 }
226 
227 static cmd_tbl_t cmd_rpmb[] = {
228 	U_BOOT_CMD_MKENT(key, 2, 0, do_mmcrpmb_key, "", ""),
229 	U_BOOT_CMD_MKENT(read, 5, 1, do_mmcrpmb_read, "", ""),
230 	U_BOOT_CMD_MKENT(write, 5, 0, do_mmcrpmb_write, "", ""),
231 	U_BOOT_CMD_MKENT(counter, 1, 1, do_mmcrpmb_counter, "", ""),
232 };
233 
234 static int do_mmcrpmb(cmd_tbl_t *cmdtp, int flag,
235 		      int argc, char * const argv[])
236 {
237 	cmd_tbl_t *cp;
238 	struct mmc *mmc;
239 	char original_part;
240 	int ret;
241 
242 	cp = find_cmd_tbl(argv[1], cmd_rpmb, ARRAY_SIZE(cmd_rpmb));
243 
244 	/* Drop the rpmb subcommand */
245 	argc--;
246 	argv++;
247 
248 	if (cp == NULL || argc > cp->maxargs)
249 		return CMD_RET_USAGE;
250 	if (flag == CMD_FLAG_REPEAT && !cp->repeatable)
251 		return CMD_RET_SUCCESS;
252 
253 	mmc = init_mmc_device(curr_device, false);
254 	if (!mmc)
255 		return CMD_RET_FAILURE;
256 
257 	if (!(mmc->version & MMC_VERSION_MMC)) {
258 		printf("It is not a EMMC device\n");
259 		return CMD_RET_FAILURE;
260 	}
261 	if (mmc->version < MMC_VERSION_4_41) {
262 		printf("RPMB not supported before version 4.41\n");
263 		return CMD_RET_FAILURE;
264 	}
265 	/* Switch to the RPMB partition */
266 #ifndef CONFIG_BLK
267 	original_part = mmc->block_dev.hwpart;
268 #else
269 	original_part = mmc_get_blk_desc(mmc)->hwpart;
270 #endif
271 	if (blk_select_hwpart_devnum(IF_TYPE_MMC, curr_device, MMC_PART_RPMB) !=
272 	    0)
273 		return CMD_RET_FAILURE;
274 	ret = cp->cmd(cmdtp, flag, argc, argv);
275 
276 	/* Return to original partition */
277 	if (blk_select_hwpart_devnum(IF_TYPE_MMC, curr_device, original_part) !=
278 	    0)
279 		return CMD_RET_FAILURE;
280 	return ret;
281 }
282 #endif
283 
284 static int do_mmc_read(cmd_tbl_t *cmdtp, int flag,
285 		       int argc, char * const argv[])
286 {
287 	struct mmc *mmc;
288 	u32 blk, cnt, n;
289 	void *addr;
290 
291 	if (argc != 4)
292 		return CMD_RET_USAGE;
293 
294 	addr = (void *)simple_strtoul(argv[1], NULL, 16);
295 	blk = simple_strtoul(argv[2], NULL, 16);
296 	cnt = simple_strtoul(argv[3], NULL, 16);
297 
298 	mmc = init_mmc_device(curr_device, false);
299 	if (!mmc)
300 		return CMD_RET_FAILURE;
301 
302 	printf("\nMMC read: dev # %d, block # %d, count %d ... ",
303 	       curr_device, blk, cnt);
304 
305 	n = blk_dread(mmc_get_blk_desc(mmc), blk, cnt, addr);
306 	printf("%d blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");
307 
308 	return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
309 }
310 
311 #if CONFIG_IS_ENABLED(CMD_MMC_SWRITE)
312 static lbaint_t mmc_sparse_write(struct sparse_storage *info, lbaint_t blk,
313 				 lbaint_t blkcnt, const void *buffer)
314 {
315 	struct blk_desc *dev_desc = info->priv;
316 
317 	return blk_dwrite(dev_desc, blk, blkcnt, buffer);
318 }
319 
320 static lbaint_t mmc_sparse_reserve(struct sparse_storage *info,
321 				   lbaint_t blk, lbaint_t blkcnt)
322 {
323 	return blkcnt;
324 }
325 
326 static int do_mmc_sparse_write(cmd_tbl_t *cmdtp, int flag,
327 			       int argc, char * const argv[])
328 {
329 	struct sparse_storage sparse;
330 	struct blk_desc *dev_desc;
331 	struct mmc *mmc;
332 	char dest[11];
333 	void *addr;
334 	u32 blk;
335 
336 	if (argc != 3)
337 		return CMD_RET_USAGE;
338 
339 	addr = (void *)simple_strtoul(argv[1], NULL, 16);
340 	blk = simple_strtoul(argv[2], NULL, 16);
341 
342 	if (!is_sparse_image(addr)) {
343 		printf("Not a sparse image\n");
344 		return CMD_RET_FAILURE;
345 	}
346 
347 	mmc = init_mmc_device(curr_device, false);
348 	if (!mmc)
349 		return CMD_RET_FAILURE;
350 
351 	printf("\nMMC Sparse write: dev # %d, block # %d ... ",
352 	       curr_device, blk);
353 
354 	if (mmc_getwp(mmc) == 1) {
355 		printf("Error: card is write protected!\n");
356 		return CMD_RET_FAILURE;
357 	}
358 
359 	dev_desc = mmc_get_blk_desc(mmc);
360 	sparse.priv = dev_desc;
361 	sparse.blksz = 512;
362 	sparse.start = blk;
363 	sparse.size = dev_desc->lba - blk;
364 	sparse.write = mmc_sparse_write;
365 	sparse.reserve = mmc_sparse_reserve;
366 	sparse.mssg = NULL;
367 	sprintf(dest, "0x" LBAF, sparse.start * sparse.blksz);
368 
369 	if (write_sparse_image(&sparse, dest, addr, NULL))
370 		return CMD_RET_FAILURE;
371 	else
372 		return CMD_RET_SUCCESS;
373 }
374 #endif
375 
376 #if CONFIG_IS_ENABLED(MMC_WRITE)
377 static int do_mmc_write(cmd_tbl_t *cmdtp, int flag,
378 			int argc, char * const argv[])
379 {
380 	struct mmc *mmc;
381 	u32 blk, cnt, n;
382 	void *addr;
383 
384 	if (argc != 4)
385 		return CMD_RET_USAGE;
386 
387 	addr = (void *)simple_strtoul(argv[1], NULL, 16);
388 	blk = simple_strtoul(argv[2], NULL, 16);
389 	cnt = simple_strtoul(argv[3], NULL, 16);
390 
391 	mmc = init_mmc_device(curr_device, false);
392 	if (!mmc)
393 		return CMD_RET_FAILURE;
394 
395 	printf("\nMMC write: dev # %d, block # %d, count %d ... ",
396 	       curr_device, blk, cnt);
397 
398 	if (mmc_getwp(mmc) == 1) {
399 		printf("Error: card is write protected!\n");
400 		return CMD_RET_FAILURE;
401 	}
402 	n = blk_dwrite(mmc_get_blk_desc(mmc), blk, cnt, addr);
403 	printf("%d blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");
404 
405 	return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
406 }
407 static int do_mmc_erase(cmd_tbl_t *cmdtp, int flag,
408 			int argc, char * const argv[])
409 {
410 	struct mmc *mmc;
411 	u32 blk, cnt, n;
412 
413 	if (argc != 3)
414 		return CMD_RET_USAGE;
415 
416 	blk = simple_strtoul(argv[1], NULL, 16);
417 	cnt = simple_strtoul(argv[2], NULL, 16);
418 
419 	mmc = init_mmc_device(curr_device, false);
420 	if (!mmc)
421 		return CMD_RET_FAILURE;
422 
423 	printf("\nMMC erase: dev # %d, block # %d, count %d ... ",
424 	       curr_device, blk, cnt);
425 
426 	if (mmc_getwp(mmc) == 1) {
427 		printf("Error: card is write protected!\n");
428 		return CMD_RET_FAILURE;
429 	}
430 	n = blk_derase(mmc_get_blk_desc(mmc), blk, cnt);
431 	printf("%d blocks erased: %s\n", n, (n == cnt) ? "OK" : "ERROR");
432 
433 	return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
434 }
435 #endif
436 
437 static int do_mmc_rescan(cmd_tbl_t *cmdtp, int flag,
438 			 int argc, char * const argv[])
439 {
440 	struct mmc *mmc;
441 
442 	mmc = init_mmc_device(curr_device, true);
443 	if (!mmc)
444 		return CMD_RET_FAILURE;
445 
446 	return CMD_RET_SUCCESS;
447 }
448 static int do_mmc_part(cmd_tbl_t *cmdtp, int flag,
449 		       int argc, char * const argv[])
450 {
451 	struct blk_desc *mmc_dev;
452 	struct mmc *mmc;
453 
454 	mmc = init_mmc_device(curr_device, false);
455 	if (!mmc)
456 		return CMD_RET_FAILURE;
457 
458 	mmc_dev = blk_get_devnum_by_type(IF_TYPE_MMC, curr_device);
459 	if (mmc_dev != NULL && mmc_dev->type != DEV_TYPE_UNKNOWN) {
460 		part_print(mmc_dev);
461 		return CMD_RET_SUCCESS;
462 	}
463 
464 	puts("get mmc type error!\n");
465 	return CMD_RET_FAILURE;
466 }
467 static int do_mmc_dev(cmd_tbl_t *cmdtp, int flag,
468 		      int argc, char * const argv[])
469 {
470 	int dev, part = 0, ret;
471 	struct mmc *mmc;
472 
473 	if (argc == 1) {
474 		dev = curr_device;
475 	} else if (argc == 2) {
476 		dev = simple_strtoul(argv[1], NULL, 10);
477 	} else if (argc == 3) {
478 		dev = (int)simple_strtoul(argv[1], NULL, 10);
479 		part = (int)simple_strtoul(argv[2], NULL, 10);
480 		if (part > PART_ACCESS_MASK) {
481 			printf("#part_num shouldn't be larger than %d\n",
482 			       PART_ACCESS_MASK);
483 			return CMD_RET_FAILURE;
484 		}
485 	} else {
486 		return CMD_RET_USAGE;
487 	}
488 
489 	mmc = init_mmc_device(dev, true);
490 	if (!mmc)
491 		return CMD_RET_FAILURE;
492 
493 	ret = blk_select_hwpart_devnum(IF_TYPE_MMC, dev, part);
494 	printf("switch to partitions #%d, %s\n",
495 	       part, (!ret) ? "OK" : "ERROR");
496 	if (ret)
497 		return 1;
498 
499 	curr_device = dev;
500 	if (mmc->part_config == MMCPART_NOAVAILABLE)
501 		printf("mmc%d is current device\n", curr_device);
502 	else
503 		printf("mmc%d(part %d) is current device\n",
504 		       curr_device, mmc_get_blk_desc(mmc)->hwpart);
505 
506 	return CMD_RET_SUCCESS;
507 }
508 static int do_mmc_list(cmd_tbl_t *cmdtp, int flag,
509 		       int argc, char * const argv[])
510 {
511 	print_mmc_devices('\n');
512 	return CMD_RET_SUCCESS;
513 }
514 
515 #if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
516 static int parse_hwpart_user(struct mmc_hwpart_conf *pconf,
517 			     int argc, char * const argv[])
518 {
519 	int i = 0;
520 
521 	memset(&pconf->user, 0, sizeof(pconf->user));
522 
523 	while (i < argc) {
524 		if (!strcmp(argv[i], "enh")) {
525 			if (i + 2 >= argc)
526 				return -1;
527 			pconf->user.enh_start =
528 				simple_strtoul(argv[i+1], NULL, 10);
529 			pconf->user.enh_size =
530 				simple_strtoul(argv[i+2], NULL, 10);
531 			i += 3;
532 		} else if (!strcmp(argv[i], "wrrel")) {
533 			if (i + 1 >= argc)
534 				return -1;
535 			pconf->user.wr_rel_change = 1;
536 			if (!strcmp(argv[i+1], "on"))
537 				pconf->user.wr_rel_set = 1;
538 			else if (!strcmp(argv[i+1], "off"))
539 				pconf->user.wr_rel_set = 0;
540 			else
541 				return -1;
542 			i += 2;
543 		} else {
544 			break;
545 		}
546 	}
547 	return i;
548 }
549 
550 static int parse_hwpart_gp(struct mmc_hwpart_conf *pconf, int pidx,
551 			   int argc, char * const argv[])
552 {
553 	int i;
554 
555 	memset(&pconf->gp_part[pidx], 0, sizeof(pconf->gp_part[pidx]));
556 
557 	if (1 >= argc)
558 		return -1;
559 	pconf->gp_part[pidx].size = simple_strtoul(argv[0], NULL, 10);
560 
561 	i = 1;
562 	while (i < argc) {
563 		if (!strcmp(argv[i], "enh")) {
564 			pconf->gp_part[pidx].enhanced = 1;
565 			i += 1;
566 		} else if (!strcmp(argv[i], "wrrel")) {
567 			if (i + 1 >= argc)
568 				return -1;
569 			pconf->gp_part[pidx].wr_rel_change = 1;
570 			if (!strcmp(argv[i+1], "on"))
571 				pconf->gp_part[pidx].wr_rel_set = 1;
572 			else if (!strcmp(argv[i+1], "off"))
573 				pconf->gp_part[pidx].wr_rel_set = 0;
574 			else
575 				return -1;
576 			i += 2;
577 		} else {
578 			break;
579 		}
580 	}
581 	return i;
582 }
583 
584 static int do_mmc_hwpartition(cmd_tbl_t *cmdtp, int flag,
585 			      int argc, char * const argv[])
586 {
587 	struct mmc *mmc;
588 	struct mmc_hwpart_conf pconf = { };
589 	enum mmc_hwpart_conf_mode mode = MMC_HWPART_CONF_CHECK;
590 	int i, r, pidx;
591 
592 	mmc = init_mmc_device(curr_device, false);
593 	if (!mmc)
594 		return CMD_RET_FAILURE;
595 
596 	if (argc < 1)
597 		return CMD_RET_USAGE;
598 	i = 1;
599 	while (i < argc) {
600 		if (!strcmp(argv[i], "user")) {
601 			i++;
602 			r = parse_hwpart_user(&pconf, argc-i, &argv[i]);
603 			if (r < 0)
604 				return CMD_RET_USAGE;
605 			i += r;
606 		} else if (!strncmp(argv[i], "gp", 2) &&
607 			   strlen(argv[i]) == 3 &&
608 			   argv[i][2] >= '1' && argv[i][2] <= '4') {
609 			pidx = argv[i][2] - '1';
610 			i++;
611 			r = parse_hwpart_gp(&pconf, pidx, argc-i, &argv[i]);
612 			if (r < 0)
613 				return CMD_RET_USAGE;
614 			i += r;
615 		} else if (!strcmp(argv[i], "check")) {
616 			mode = MMC_HWPART_CONF_CHECK;
617 			i++;
618 		} else if (!strcmp(argv[i], "set")) {
619 			mode = MMC_HWPART_CONF_SET;
620 			i++;
621 		} else if (!strcmp(argv[i], "complete")) {
622 			mode = MMC_HWPART_CONF_COMPLETE;
623 			i++;
624 		} else {
625 			return CMD_RET_USAGE;
626 		}
627 	}
628 
629 	puts("Partition configuration:\n");
630 	if (pconf.user.enh_size) {
631 		puts("\tUser Enhanced Start: ");
632 		print_size(((u64)pconf.user.enh_start) << 9, "\n");
633 		puts("\tUser Enhanced Size: ");
634 		print_size(((u64)pconf.user.enh_size) << 9, "\n");
635 	} else {
636 		puts("\tNo enhanced user data area\n");
637 	}
638 	if (pconf.user.wr_rel_change)
639 		printf("\tUser partition write reliability: %s\n",
640 		       pconf.user.wr_rel_set ? "on" : "off");
641 	for (pidx = 0; pidx < 4; pidx++) {
642 		if (pconf.gp_part[pidx].size) {
643 			printf("\tGP%i Capacity: ", pidx+1);
644 			print_size(((u64)pconf.gp_part[pidx].size) << 9,
645 				   pconf.gp_part[pidx].enhanced ?
646 				   " ENH\n" : "\n");
647 		} else {
648 			printf("\tNo GP%i partition\n", pidx+1);
649 		}
650 		if (pconf.gp_part[pidx].wr_rel_change)
651 			printf("\tGP%i write reliability: %s\n", pidx+1,
652 			       pconf.gp_part[pidx].wr_rel_set ? "on" : "off");
653 	}
654 
655 	if (!mmc_hwpart_config(mmc, &pconf, mode)) {
656 		if (mode == MMC_HWPART_CONF_COMPLETE)
657 			puts("Partitioning successful, "
658 			     "power-cycle to make effective\n");
659 		return CMD_RET_SUCCESS;
660 	} else {
661 		puts("Failed!\n");
662 		return CMD_RET_FAILURE;
663 	}
664 }
665 #endif
666 
667 #ifdef CONFIG_SUPPORT_EMMC_BOOT
668 static int do_mmc_bootbus(cmd_tbl_t *cmdtp, int flag,
669 			  int argc, char * const argv[])
670 {
671 	int dev;
672 	struct mmc *mmc;
673 	u8 width, reset, mode;
674 
675 	if (argc != 5)
676 		return CMD_RET_USAGE;
677 	dev = simple_strtoul(argv[1], NULL, 10);
678 	width = simple_strtoul(argv[2], NULL, 10);
679 	reset = simple_strtoul(argv[3], NULL, 10);
680 	mode = simple_strtoul(argv[4], NULL, 10);
681 
682 	mmc = init_mmc_device(dev, false);
683 	if (!mmc)
684 		return CMD_RET_FAILURE;
685 
686 	if (IS_SD(mmc)) {
687 		puts("BOOT_BUS_WIDTH only exists on eMMC\n");
688 		return CMD_RET_FAILURE;
689 	}
690 
691 	/* acknowledge to be sent during boot operation */
692 	return mmc_set_boot_bus_width(mmc, width, reset, mode);
693 }
694 static int do_mmc_boot_resize(cmd_tbl_t *cmdtp, int flag,
695 			      int argc, char * const argv[])
696 {
697 	int dev;
698 	struct mmc *mmc;
699 	u32 bootsize, rpmbsize;
700 
701 	if (argc != 4)
702 		return CMD_RET_USAGE;
703 	dev = simple_strtoul(argv[1], NULL, 10);
704 	bootsize = simple_strtoul(argv[2], NULL, 10);
705 	rpmbsize = simple_strtoul(argv[3], NULL, 10);
706 
707 	mmc = init_mmc_device(dev, false);
708 	if (!mmc)
709 		return CMD_RET_FAILURE;
710 
711 	if (IS_SD(mmc)) {
712 		printf("It is not a EMMC device\n");
713 		return CMD_RET_FAILURE;
714 	}
715 
716 	if (mmc_boot_partition_size_change(mmc, bootsize, rpmbsize)) {
717 		printf("EMMC boot partition Size change Failed.\n");
718 		return CMD_RET_FAILURE;
719 	}
720 
721 	printf("EMMC boot partition Size %d MB\n", bootsize);
722 	printf("EMMC RPMB partition Size %d MB\n", rpmbsize);
723 	return CMD_RET_SUCCESS;
724 }
725 
726 static int mmc_partconf_print(struct mmc *mmc)
727 {
728 	u8 ack, access, part;
729 
730 	if (mmc->part_config == MMCPART_NOAVAILABLE) {
731 		printf("No part_config info for ver. 0x%x\n", mmc->version);
732 		return CMD_RET_FAILURE;
733 	}
734 
735 	access = EXT_CSD_EXTRACT_PARTITION_ACCESS(mmc->part_config);
736 	ack = EXT_CSD_EXTRACT_BOOT_ACK(mmc->part_config);
737 	part = EXT_CSD_EXTRACT_BOOT_PART(mmc->part_config);
738 
739 	printf("EXT_CSD[179], PARTITION_CONFIG:\n"
740 		"BOOT_ACK: 0x%x\n"
741 		"BOOT_PARTITION_ENABLE: 0x%x\n"
742 		"PARTITION_ACCESS: 0x%x\n", ack, part, access);
743 
744 	return CMD_RET_SUCCESS;
745 }
746 
747 static int do_mmc_partconf(cmd_tbl_t *cmdtp, int flag,
748 			   int argc, char * const argv[])
749 {
750 	int dev;
751 	struct mmc *mmc;
752 	u8 ack, part_num, access;
753 
754 	if (argc != 2 && argc != 5)
755 		return CMD_RET_USAGE;
756 
757 	dev = simple_strtoul(argv[1], NULL, 10);
758 
759 	mmc = init_mmc_device(dev, false);
760 	if (!mmc)
761 		return CMD_RET_FAILURE;
762 
763 	if (IS_SD(mmc)) {
764 		puts("PARTITION_CONFIG only exists on eMMC\n");
765 		return CMD_RET_FAILURE;
766 	}
767 
768 	if (argc == 2)
769 		return mmc_partconf_print(mmc);
770 
771 	ack = simple_strtoul(argv[2], NULL, 10);
772 	part_num = simple_strtoul(argv[3], NULL, 10);
773 	access = simple_strtoul(argv[4], NULL, 10);
774 
775 	/* acknowledge to be sent during boot operation */
776 	return mmc_set_part_conf(mmc, ack, part_num, access);
777 }
778 static int do_mmc_rst_func(cmd_tbl_t *cmdtp, int flag,
779 			   int argc, char * const argv[])
780 {
781 	int dev;
782 	struct mmc *mmc;
783 	u8 enable;
784 
785 	/*
786 	 * Set the RST_n_ENABLE bit of RST_n_FUNCTION
787 	 * The only valid values are 0x0, 0x1 and 0x2 and writing
788 	 * a value of 0x1 or 0x2 sets the value permanently.
789 	 */
790 	if (argc != 3)
791 		return CMD_RET_USAGE;
792 
793 	dev = simple_strtoul(argv[1], NULL, 10);
794 	enable = simple_strtoul(argv[2], NULL, 10);
795 
796 	if (enable > 2) {
797 		puts("Invalid RST_n_ENABLE value\n");
798 		return CMD_RET_USAGE;
799 	}
800 
801 	mmc = init_mmc_device(dev, false);
802 	if (!mmc)
803 		return CMD_RET_FAILURE;
804 
805 	if (IS_SD(mmc)) {
806 		puts("RST_n_FUNCTION only exists on eMMC\n");
807 		return CMD_RET_FAILURE;
808 	}
809 
810 	return mmc_set_rst_n_function(mmc, enable);
811 }
812 #endif
813 static int do_mmc_setdsr(cmd_tbl_t *cmdtp, int flag,
814 			 int argc, char * const argv[])
815 {
816 	struct mmc *mmc;
817 	u32 val;
818 	int ret;
819 
820 	if (argc != 2)
821 		return CMD_RET_USAGE;
822 	val = simple_strtoul(argv[1], NULL, 16);
823 
824 	mmc = find_mmc_device(curr_device);
825 	if (!mmc) {
826 		printf("no mmc device at slot %x\n", curr_device);
827 		return CMD_RET_FAILURE;
828 	}
829 	ret = mmc_set_dsr(mmc, val);
830 	printf("set dsr %s\n", (!ret) ? "OK, force rescan" : "ERROR");
831 	if (!ret) {
832 		mmc->has_init = 0;
833 		if (mmc_init(mmc))
834 			return CMD_RET_FAILURE;
835 		else
836 			return CMD_RET_SUCCESS;
837 	}
838 	return ret;
839 }
840 
841 #ifdef CONFIG_CMD_BKOPS_ENABLE
842 static int do_mmc_bkops_enable(cmd_tbl_t *cmdtp, int flag,
843 				   int argc, char * const argv[])
844 {
845 	int dev;
846 	struct mmc *mmc;
847 
848 	if (argc != 2)
849 		return CMD_RET_USAGE;
850 
851 	dev = simple_strtoul(argv[1], NULL, 10);
852 
853 	mmc = init_mmc_device(dev, false);
854 	if (!mmc)
855 		return CMD_RET_FAILURE;
856 
857 	if (IS_SD(mmc)) {
858 		puts("BKOPS_EN only exists on eMMC\n");
859 		return CMD_RET_FAILURE;
860 	}
861 
862 	return mmc_set_bkops_enable(mmc);
863 }
864 #endif
865 
866 static cmd_tbl_t cmd_mmc[] = {
867 	U_BOOT_CMD_MKENT(info, 1, 0, do_mmcinfo, "", ""),
868 	U_BOOT_CMD_MKENT(read, 4, 1, do_mmc_read, "", ""),
869 #if CONFIG_IS_ENABLED(MMC_WRITE)
870 	U_BOOT_CMD_MKENT(write, 4, 0, do_mmc_write, "", ""),
871 	U_BOOT_CMD_MKENT(erase, 3, 0, do_mmc_erase, "", ""),
872 #endif
873 #if CONFIG_IS_ENABLED(CMD_MMC_SWRITE)
874 	U_BOOT_CMD_MKENT(swrite, 3, 0, do_mmc_sparse_write, "", ""),
875 #endif
876 	U_BOOT_CMD_MKENT(rescan, 1, 1, do_mmc_rescan, "", ""),
877 	U_BOOT_CMD_MKENT(part, 1, 1, do_mmc_part, "", ""),
878 	U_BOOT_CMD_MKENT(dev, 3, 0, do_mmc_dev, "", ""),
879 	U_BOOT_CMD_MKENT(list, 1, 1, do_mmc_list, "", ""),
880 #if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
881 	U_BOOT_CMD_MKENT(hwpartition, 28, 0, do_mmc_hwpartition, "", ""),
882 #endif
883 #ifdef CONFIG_SUPPORT_EMMC_BOOT
884 	U_BOOT_CMD_MKENT(bootbus, 5, 0, do_mmc_bootbus, "", ""),
885 	U_BOOT_CMD_MKENT(bootpart-resize, 4, 0, do_mmc_boot_resize, "", ""),
886 	U_BOOT_CMD_MKENT(partconf, 5, 0, do_mmc_partconf, "", ""),
887 	U_BOOT_CMD_MKENT(rst-function, 3, 0, do_mmc_rst_func, "", ""),
888 #endif
889 #if CONFIG_IS_ENABLED(CMD_MMC_RPMB)
890 	U_BOOT_CMD_MKENT(rpmb, CONFIG_SYS_MAXARGS, 1, do_mmcrpmb, "", ""),
891 #endif
892 	U_BOOT_CMD_MKENT(setdsr, 2, 0, do_mmc_setdsr, "", ""),
893 #ifdef CONFIG_CMD_BKOPS_ENABLE
894 	U_BOOT_CMD_MKENT(bkops-enable, 2, 0, do_mmc_bkops_enable, "", ""),
895 #endif
896 };
897 
898 static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
899 {
900 	cmd_tbl_t *cp;
901 
902 	cp = find_cmd_tbl(argv[1], cmd_mmc, ARRAY_SIZE(cmd_mmc));
903 
904 	/* Drop the mmc command */
905 	argc--;
906 	argv++;
907 
908 	if (cp == NULL || argc > cp->maxargs)
909 		return CMD_RET_USAGE;
910 	if (flag == CMD_FLAG_REPEAT && !cp->repeatable)
911 		return CMD_RET_SUCCESS;
912 
913 	if (curr_device < 0) {
914 		if (get_mmc_num() > 0) {
915 			curr_device = 0;
916 		} else {
917 			puts("No MMC device available\n");
918 			return CMD_RET_FAILURE;
919 		}
920 	}
921 	return cp->cmd(cmdtp, flag, argc, argv);
922 }
923 
924 U_BOOT_CMD(
925 	mmc, 29, 1, do_mmcops,
926 	"MMC sub system",
927 	"info - display info of the current MMC device\n"
928 	"mmc read addr blk# cnt\n"
929 	"mmc write addr blk# cnt\n"
930 #if CONFIG_IS_ENABLED(CMD_MMC_SWRITE)
931 	"mmc swrite addr blk#\n"
932 #endif
933 	"mmc erase blk# cnt\n"
934 	"mmc rescan\n"
935 	"mmc part - lists available partition on current mmc device\n"
936 	"mmc dev [dev] [part] - show or set current mmc device [partition]\n"
937 	"mmc list - lists available devices\n"
938 #if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
939 	"mmc hwpartition [args...] - does hardware partitioning\n"
940 	"  arguments (sizes in 512-byte blocks):\n"
941 	"    [user [enh start cnt] [wrrel {on|off}]] - sets user data area attributes\n"
942 	"    [gp1|gp2|gp3|gp4 cnt [enh] [wrrel {on|off}]] - general purpose partition\n"
943 	"    [check|set|complete] - mode, complete set partitioning completed\n"
944 	"  WARNING: Partitioning is a write-once setting once it is set to complete.\n"
945 	"  Power cycling is required to initialize partitions after set to complete.\n"
946 #endif
947 #ifdef CONFIG_SUPPORT_EMMC_BOOT
948 	"mmc bootbus dev boot_bus_width reset_boot_bus_width boot_mode\n"
949 	" - Set the BOOT_BUS_WIDTH field of the specified device\n"
950 	"mmc bootpart-resize <dev> <boot part size MB> <RPMB part size MB>\n"
951 	" - Change sizes of boot and RPMB partitions of specified device\n"
952 	"mmc partconf dev [boot_ack boot_partition partition_access]\n"
953 	" - Show or change the bits of the PARTITION_CONFIG field of the specified device\n"
954 	"mmc rst-function dev value\n"
955 	" - Change the RST_n_FUNCTION field of the specified device\n"
956 	"   WARNING: This is a write-once field and 0 / 1 / 2 are the only valid values.\n"
957 #endif
958 #if CONFIG_IS_ENABLED(CMD_MMC_RPMB)
959 	"mmc rpmb read addr blk# cnt [address of auth-key] - block size is 256 bytes\n"
960 	"mmc rpmb write addr blk# cnt <address of auth-key> - block size is 256 bytes\n"
961 	"mmc rpmb key <address of auth-key> - program the RPMB authentication key.\n"
962 	"mmc rpmb counter - read the value of the write counter\n"
963 #endif
964 	"mmc setdsr <value> - set DSR register value\n"
965 #ifdef CONFIG_CMD_BKOPS_ENABLE
966 	"mmc bkops-enable <dev> - enable background operations handshake on device\n"
967 	"   WARNING: This is a write-once setting.\n"
968 #endif
969 	);
970 
971 /* Old command kept for compatibility. Same as 'mmc info' */
972 U_BOOT_CMD(
973 	mmcinfo, 1, 0, do_mmcinfo,
974 	"display MMC info",
975 	"- display info of the current MMC device"
976 );
977