[u-boot.git] / common / cmd_mmc.c

/*
 * (C) Copyright 2003
 * Kyle Harris, [email protected]
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <command.h>
#include <mmc.h>

static int curr_device = -1;
#ifndef CONFIG_GENERIC_MMC
int do_mmc (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	int dev;

	if (argc < 2)
		return CMD_RET_USAGE;

	if (strcmp(argv[1], "init") == 0) {
		if (argc == 2) {
			if (curr_device < 0)
				dev = 1;
			else
				dev = curr_device;
		} else if (argc == 3) {
			dev = (int)simple_strtoul(argv[2], NULL, 10);
		} else {
			return CMD_RET_USAGE;
		}

		if (mmc_legacy_init(dev) != 0) {
			puts("No MMC card found\n");
			return 1;
		}

		curr_device = dev;
		printf("mmc%d is available\n", curr_device);
	} else if (strcmp(argv[1], "device") == 0) {
		if (argc == 2) {
			if (curr_device < 0) {
				puts("No MMC device available\n");
				return 1;
			}
		} else if (argc == 3) {
			dev = (int)simple_strtoul(argv[2], NULL, 10);

#ifdef CONFIG_SYS_MMC_SET_DEV
			if (mmc_set_dev(dev) != 0)
				return 1;
#endif
			curr_device = dev;
		} else {
			return CMD_RET_USAGE;
		}

		printf("mmc%d is current device\n", curr_device);
	} else {
		return CMD_RET_USAGE;
	}

	return 0;
}

U_BOOT_CMD(
	mmc, 3, 1, do_mmc,
	"MMC sub-system",
	"init [dev] - init MMC sub system\n"
	"mmc device [dev] - show or set current device"
);
#else /* !CONFIG_GENERIC_MMC */

enum mmc_state {
	MMC_INVALID,
	MMC_READ,
	MMC_WRITE,
	MMC_ERASE,
};
static void print_mmcinfo(struct mmc *mmc)
{
	printf("Device: %s\n", mmc->name);
	printf("Manufacturer ID: %x\n", mmc->cid[0] >> 24);
	printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xffff);
	printf("Name: %c%c%c%c%c \n", mmc->cid[0] & 0xff,
			(mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff,
			(mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff);

	printf("Tran Speed: %d\n", mmc->tran_speed);
	printf("Rd Block Len: %d\n", mmc->read_bl_len);

	printf("%s version %d.%d\n", IS_SD(mmc) ? "SD" : "MMC",
			(mmc->version >> 8) & 0xf, mmc->version & 0xff);

	printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No");
	puts("Capacity: ");
	print_size(mmc->capacity, "\n");

	printf("Bus Width: %d-bit\n", mmc->bus_width);
}

static int do_mmcinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	struct mmc *mmc;

	if (curr_device < 0) {
		if (get_mmc_num() > 0)
			curr_device = 0;
		else {
			puts("No MMC device available\n");
			return 1;
		}
	}

	mmc = find_mmc_device(curr_device);

	if (mmc) {
		mmc_init(mmc);

		print_mmcinfo(mmc);
		return 0;
	} else {
		printf("no mmc device at slot %x\n", curr_device);
		return 1;
	}
}

U_BOOT_CMD(
	mmcinfo, 1, 0, do_mmcinfo,
	"display MMC info",
	"- display info of the current MMC device"
);

#ifdef CONFIG_SUPPORT_EMMC_BOOT
static int boot_part_access(struct mmc *mmc, u8 ack, u8 part_num, u8 access)
{
	int err;
	err = mmc_boot_part_access(mmc, ack, part_num, access);

	if ((err == 0) && (access != 0)) {
		printf("\t\t\t!!!Notice!!!\n");

		printf("!You must close EMMC boot Partition");
		printf("after all images are written\n");

		printf("!EMMC boot partition has continuity");
		printf("at image writing time.\n");

		printf("!So, do not close the boot partition");
		printf("before all images are written.\n");
		return 0;
	} else if ((err == 0) && (access == 0))
		return 0;
	else if ((err != 0) && (access != 0)) {
		printf("EMMC boot partition-%d OPEN Failed.\n", part_num);
		return 1;
	} else {
		printf("EMMC boot partition-%d CLOSE Failed.\n", part_num);
		return 1;
	}
}
#endif

static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	enum mmc_state state;

	if (argc < 2)
		return CMD_RET_USAGE;

	if (curr_device < 0) {
		if (get_mmc_num() > 0)
			curr_device = 0;
		else {
			puts("No MMC device available\n");
			return 1;
		}
	}

	if (strcmp(argv[1], "rescan") == 0) {
		struct mmc *mmc;

		if (argc != 2)
			return CMD_RET_USAGE;

		mmc = find_mmc_device(curr_device);
		if (!mmc) {
			printf("no mmc device at slot %x\n", curr_device);
			return 1;
		}

		mmc->has_init = 0;

		if (mmc_init(mmc))
			return 1;
		else
			return 0;
	} else if (strncmp(argv[1], "part", 4) == 0) {
		block_dev_desc_t *mmc_dev;
		struct mmc *mmc;

		if (argc != 2)
			return CMD_RET_USAGE;

		mmc = find_mmc_device(curr_device);
		if (!mmc) {
			printf("no mmc device at slot %x\n", curr_device);
			return 1;
		}
		mmc_init(mmc);
		mmc_dev = mmc_get_dev(curr_device);
		if (mmc_dev != NULL &&
				mmc_dev->type != DEV_TYPE_UNKNOWN) {
			print_part(mmc_dev);
			return 0;
		}

		puts("get mmc type error!\n");
		return 1;
	} else if (strcmp(argv[1], "list") == 0) {
		if (argc != 2)
			return CMD_RET_USAGE;
		print_mmc_devices('\n');
		return 0;
	} else if (strcmp(argv[1], "dev") == 0) {
		int dev, part = -1;
		struct mmc *mmc;

		if (argc == 2)
			dev = curr_device;
		else if (argc == 3)
			dev = simple_strtoul(argv[2], NULL, 10);
		else if (argc == 4) {
			dev = (int)simple_strtoul(argv[2], NULL, 10);
			part = (int)simple_strtoul(argv[3], NULL, 10);
			if (part > PART_ACCESS_MASK) {
				printf("#part_num shouldn't be larger"
					" than %d\n", PART_ACCESS_MASK);
				return 1;
			}
		} else
			return CMD_RET_USAGE;

		mmc = find_mmc_device(dev);
		if (!mmc) {
			printf("no mmc device at slot %x\n", dev);
			return 1;
		}

		mmc_init(mmc);
		if (part != -1) {
			int ret;
			if (mmc->part_config == MMCPART_NOAVAILABLE) {
				printf("Card doesn't support part_switch\n");
				return 1;
			}

			if (part != mmc->part_num) {
				ret = mmc_switch_part(dev, part);
				if (!ret)
					mmc->part_num = part;

				printf("switch to partitions #%d, %s\n",
						part, (!ret) ? "OK" : "ERROR");
			}
		}
		curr_device = dev;
		if (mmc->part_config == MMCPART_NOAVAILABLE)
			printf("mmc%d is current device\n", curr_device);
		else
			printf("mmc%d(part %d) is current device\n",
				curr_device, mmc->part_num);

		return 0;
#ifdef CONFIG_SUPPORT_EMMC_BOOT
	} else if ((strcmp(argv[1], "open") == 0) ||
			(strcmp(argv[1], "close") == 0)) {
		int dev;
		struct mmc *mmc;
		u8 part_num, access = 0;

		if (argc == 4) {
			dev = simple_strtoul(argv[2], NULL, 10);
			part_num = simple_strtoul(argv[3], NULL, 10);
		} else {
			return CMD_RET_USAGE;
		}

		mmc = find_mmc_device(dev);
		if (!mmc) {
			printf("no mmc device at slot %x\n", dev);
			return 1;
		}

		if (IS_SD(mmc)) {
			printf("SD device cannot be opened/closed\n");
			return 1;
		}

		if ((part_num <= 0) || (part_num > MMC_NUM_BOOT_PARTITION)) {
			printf("Invalid boot partition number:\n");
			printf("Boot partition number cannot be <= 0\n");
			printf("EMMC44 supports only 2 boot partitions\n");
			return 1;
		}

		if (strcmp(argv[1], "open") == 0)
			access = part_num; /* enable R/W access to boot part*/
		else
			access = 0; /* No access to boot partition */

		/* acknowledge to be sent during boot operation */
		return boot_part_access(mmc, 1, part_num, access);

	} else if (strcmp(argv[1], "bootpart") == 0) {
		int dev;
		dev = simple_strtoul(argv[2], NULL, 10);

		u32 bootsize = simple_strtoul(argv[3], NULL, 10);
		u32 rpmbsize = simple_strtoul(argv[4], NULL, 10);
		struct mmc *mmc = find_mmc_device(dev);
		if (!mmc) {
			printf("no mmc device at slot %x\n", dev);
			return 1;
		}

		if (IS_SD(mmc)) {
			printf("It is not a EMMC device\n");
			return 1;
		}

		if (0 == mmc_boot_partition_size_change(mmc,
							bootsize, rpmbsize)) {
			printf("EMMC boot partition Size %d MB\n", bootsize);
			printf("EMMC RPMB partition Size %d MB\n", rpmbsize);
			return 0;
		} else {
			printf("EMMC boot partition Size change Failed.\n");
			return 1;
		}
#endif /* CONFIG_SUPPORT_EMMC_BOOT */
	}
	state = MMC_INVALID;
	if (argc == 5 && strcmp(argv[1], "read") == 0)
		state = MMC_READ;
	else if (argc == 5 && strcmp(argv[1], "write") == 0)
		state = MMC_WRITE;
	else if (argc == 4 && strcmp(argv[1], "erase") == 0)
		state = MMC_ERASE;

	if (state != MMC_INVALID) {
		struct mmc *mmc = find_mmc_device(curr_device);
		int idx = 2;
		u32 blk, cnt, n;
		void *addr;

		if (state != MMC_ERASE) {
			addr = (void *)simple_strtoul(argv[idx], NULL, 16);
			++idx;
		} else
			addr = NULL;
		blk = simple_strtoul(argv[idx], NULL, 16);
		cnt = simple_strtoul(argv[idx + 1], NULL, 16);

		if (!mmc) {
			printf("no mmc device at slot %x\n", curr_device);
			return 1;
		}

		printf("\nMMC %s: dev # %d, block # %d, count %d ... ",
				argv[1], curr_device, blk, cnt);

		mmc_init(mmc);

		if ((state == MMC_WRITE || state == MMC_ERASE)) {
			if (mmc_getwp(mmc) == 1) {
				printf("Error: card is write protected!\n");
				return 1;
			}
		}

		switch (state) {
		case MMC_READ:
			n = mmc->block_dev.block_read(curr_device, blk,
						      cnt, addr);
			/* flush cache after read */
			flush_cache((ulong)addr, cnt * 512); /* FIXME */
			break;
		case MMC_WRITE:
			n = mmc->block_dev.block_write(curr_device, blk,
						      cnt, addr);
			break;
		case MMC_ERASE:
			n = mmc->block_dev.block_erase(curr_device, blk, cnt);
			break;
		default:
			BUG();
		}

		printf("%d blocks %s: %s\n",
				n, argv[1], (n == cnt) ? "OK" : "ERROR");
		return (n == cnt) ? 0 : 1;
	}

	return CMD_RET_USAGE;
}

U_BOOT_CMD(
	mmc, 6, 1, do_mmcops,
	"MMC sub system",
	"read addr blk# cnt\n"
	"mmc write addr blk# cnt\n"
	"mmc erase blk# cnt\n"
	"mmc rescan\n"
	"mmc part - lists available partition on current mmc device\n"
	"mmc dev [dev] [part] - show or set current mmc device [partition]\n"
	"mmc list - lists available devices\n"
#ifdef CONFIG_SUPPORT_EMMC_BOOT
	"mmc open <dev> <boot_partition>\n"
	" - Enable boot_part for booting and enable R/W access of boot_part\n"
	"mmc close <dev> <boot_partition>\n"
	" - Enable boot_part for booting and disable access to boot_part\n"
	"mmc bootpart <device num> <boot part size MB> <RPMB part size MB>\n"
	" - change sizes of boot and RPMB partitions of specified device\n"
#endif
	);
#endif /* !CONFIG_GENERIC_MMC */
Commit	Line	Data
71f95118 WD	1	/*
	2	* (C) Copyright 2003
	3	* Kyle Harris, [email protected]
	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>
71f95118 WD	11
02e22c2d	12	static int curr_device = -1;
ea6ebe21	13	#ifndef CONFIG_GENERIC_MMC
54841ab5	14	int do_mmc (cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
71f95118	15	{
869f6bf4 MK	16	int dev;
869f6bf4 MK	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	66	U_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	73
6be95ccf LW	74	enum mmc_state {
	75	MMC_INVALID,
	76	MMC_READ,
	77	MMC_WRITE,
e6f99a56	78	MMC_ERASE,
6be95ccf	79	};
272cc70b AF	80	static void print_mmcinfo(struct mmc *mmc)
	81	{
	82	printf("Device: %s\n", mmc->name);
	83	printf("Manufacturer ID: %x\n", mmc->cid[0] >> 24);
	84	printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xffff);
	85	printf("Name: %c%c%c%c%c \n", mmc->cid[0] & 0xff,
	86	(mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff,
	87	(mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff);
	88
	89	printf("Tran Speed: %d\n", mmc->tran_speed);
	90	printf("Rd Block Len: %d\n", mmc->read_bl_len);
	91
	92	printf("%s version %d.%d\n", IS_SD(mmc) ? "SD" : "MMC",
64f4a619	93	(mmc->version >> 8) & 0xf, mmc->version & 0xff);
272cc70b AF	94
272cc70b AF	95	printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No");
940e0782 MK	96	puts("Capacity: ");
940e0782 MK	97	print_size(mmc->capacity, "\n");
272cc70b AF	98
	99	printf("Bus Width: %d-bit\n", mmc->bus_width);
	100	}
	101
088f1b19	102	static int do_mmcinfo(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
272cc70b AF	103	{
272cc70b AF	104	struct mmc *mmc;
272cc70b	105
ea6ebe21 LW	106	if (curr_device < 0) {
	107	if (get_mmc_num() > 0)
	108	curr_device = 0;
	109	else {
	110	puts("No MMC device available\n");
	111	return 1;
	112	}
	113	}
272cc70b	114
ea6ebe21	115	mmc = find_mmc_device(curr_device);
272cc70b AF	116
	117	if (mmc) {
	118	mmc_init(mmc);
	119
	120	print_mmcinfo(mmc);
ea6ebe21 LW	121	return 0;
	122	} else {
	123	printf("no mmc device at slot %x\n", curr_device);
	124	return 1;
272cc70b	125	}
272cc70b AF	126	}
272cc70b AF	127
388a29d0	128	U_BOOT_CMD(
ea6ebe21	129	mmcinfo, 1, 0, do_mmcinfo,
cc9f607b	130	"display MMC info",
59ddead1	131	"- display info of the current MMC device"
a89c33db	132	);
272cc70b	133
2a91c913 A	134	#ifdef CONFIG_SUPPORT_EMMC_BOOT
	135	static int boot_part_access(struct mmc *mmc, u8 ack, u8 part_num, u8 access)
	136	{
	137	int err;
	138	err = mmc_boot_part_access(mmc, ack, part_num, access);
	139
	140	if ((err == 0) && (access != 0)) {
	141	printf("\t\t\t!!!Notice!!!\n");
	142
	143	printf("!You must close EMMC boot Partition");
	144	printf("after all images are written\n");
	145
	146	printf("!EMMC boot partition has continuity");
	147	printf("at image writing time.\n");
	148
	149	printf("!So, do not close the boot partition");
	150	printf("before all images are written.\n");
	151	return 0;
	152	} else if ((err == 0) && (access == 0))
	153	return 0;
	154	else if ((err != 0) && (access != 0)) {
	155	printf("EMMC boot partition-%d OPEN Failed.\n", part_num);
	156	return 1;
	157	} else {
	158	printf("EMMC boot partition-%d CLOSE Failed.\n", part_num);
	159	return 1;
	160	}
	161	}
	162	#endif
	163
088f1b19	164	static int do_mmcops(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
272cc70b	165	{
6be95ccf LW	166	enum mmc_state state;
6be95ccf LW	167
ea6ebe21	168	if (argc < 2)
4c12eeb8	169	return CMD_RET_USAGE;
272cc70b	170
ea6ebe21 LW	171	if (curr_device < 0) {
	172	if (get_mmc_num() > 0)
	173	curr_device = 0;
	174	else {
	175	puts("No MMC device available\n");
	176	return 1;
	177	}
	178	}
272cc70b	179
ea6ebe21	180	if (strcmp(argv[1], "rescan") == 0) {
9fd38372 SW	181	struct mmc *mmc;
	182
	183	if (argc != 2)
	184	return CMD_RET_USAGE;
e85649c7	185
9fd38372	186	mmc = find_mmc_device(curr_device);
ea6ebe21 LW	187	if (!mmc) {
	188	printf("no mmc device at slot %x\n", curr_device);
	189	return 1;
	190	}
	191
bc897b1d	192	mmc->has_init = 0;
272cc70b	193
8fd01b8f MJ	194	if (mmc_init(mmc))
	195	return 1;
	196	else
	197	return 0;
ea6ebe21 LW	198	} else if (strncmp(argv[1], "part", 4) == 0) {
ea6ebe21 LW	199	block_dev_desc_t *mmc_dev;
9fd38372	200	struct mmc *mmc;
ea6ebe21	201
9fd38372 SW	202	if (argc != 2)
	203	return CMD_RET_USAGE;
	204
	205	mmc = find_mmc_device(curr_device);
ea6ebe21 LW	206	if (!mmc) {
	207	printf("no mmc device at slot %x\n", curr_device);
	208	return 1;
	209	}
	210	mmc_init(mmc);
	211	mmc_dev = mmc_get_dev(curr_device);
	212	if (mmc_dev != NULL &&
	213	mmc_dev->type != DEV_TYPE_UNKNOWN) {
	214	print_part(mmc_dev);
272cc70b	215	return 0;
ea6ebe21	216	}
8f3b9642	217
ea6ebe21 LW	218	puts("get mmc type error!\n");
	219	return 1;
	220	} else if (strcmp(argv[1], "list") == 0) {
9fd38372 SW	221	if (argc != 2)
9fd38372 SW	222	return CMD_RET_USAGE;
ea6ebe21 LW	223	print_mmc_devices('\n');
	224	return 0;
	225	} else if (strcmp(argv[1], "dev") == 0) {
bc897b1d	226	int dev, part = -1;
ea6ebe21 LW	227	struct mmc *mmc;
	228
	229	if (argc == 2)
	230	dev = curr_device;
	231	else if (argc == 3)
	232	dev = simple_strtoul(argv[2], NULL, 10);
bc897b1d LW	233	else if (argc == 4) {
	234	dev = (int)simple_strtoul(argv[2], NULL, 10);
	235	part = (int)simple_strtoul(argv[3], NULL, 10);
	236	if (part > PART_ACCESS_MASK) {
	237	printf("#part_num shouldn't be larger"
	238	" than %d\n", PART_ACCESS_MASK);
	239	return 1;
	240	}
	241	} else
4c12eeb8	242	return CMD_RET_USAGE;
8f3b9642	243
ea6ebe21 LW	244	mmc = find_mmc_device(dev);
	245	if (!mmc) {
	246	printf("no mmc device at slot %x\n", dev);
8f3b9642	247	return 1;
272cc70b AF	248	}
272cc70b AF	249
bc897b1d LW	250	mmc_init(mmc);
	251	if (part != -1) {
	252	int ret;
	253	if (mmc->part_config == MMCPART_NOAVAILABLE) {
	254	printf("Card doesn't support part_switch\n");
	255	return 1;
	256	}
	257
	258	if (part != mmc->part_num) {
	259	ret = mmc_switch_part(dev, part);
	260	if (!ret)
	261	mmc->part_num = part;
	262
1f8b546f	263	printf("switch to partitions #%d, %s\n",
bc897b1d LW	264	part, (!ret) ? "OK" : "ERROR");
	265	}
	266	}
ea6ebe21	267	curr_device = dev;
bc897b1d LW	268	if (mmc->part_config == MMCPART_NOAVAILABLE)
	269	printf("mmc%d is current device\n", curr_device);
	270	else
	271	printf("mmc%d(part %d) is current device\n",
	272	curr_device, mmc->part_num);
272cc70b	273
ea6ebe21	274	return 0;
2a91c913 A	275	#ifdef CONFIG_SUPPORT_EMMC_BOOT
	276	} else if ((strcmp(argv[1], "open") == 0) \|\|
	277	(strcmp(argv[1], "close") == 0)) {
	278	int dev;
	279	struct mmc *mmc;
	280	u8 part_num, access = 0;
	281
	282	if (argc == 4) {
	283	dev = simple_strtoul(argv[2], NULL, 10);
	284	part_num = simple_strtoul(argv[3], NULL, 10);
	285	} else {
	286	return CMD_RET_USAGE;
	287	}
	288
	289	mmc = find_mmc_device(dev);
	290	if (!mmc) {
	291	printf("no mmc device at slot %x\n", dev);
	292	return 1;
	293	}
272cc70b	294
2a91c913 A	295	if (IS_SD(mmc)) {
	296	printf("SD device cannot be opened/closed\n");
	297	return 1;
	298	}
	299
	300	if ((part_num <= 0) \|\| (part_num > MMC_NUM_BOOT_PARTITION)) {
	301	printf("Invalid boot partition number:\n");
	302	printf("Boot partition number cannot be <= 0\n");
	303	printf("EMMC44 supports only 2 boot partitions\n");
	304	return 1;
	305	}
	306
	307	if (strcmp(argv[1], "open") == 0)
	308	access = part_num; /* enable R/W access to boot part*/
	309	else
	310	access = 0; /* No access to boot partition */
	311
	312	/* acknowledge to be sent during boot operation */
	313	return boot_part_access(mmc, 1, part_num, access);
	314
	315	} else if (strcmp(argv[1], "bootpart") == 0) {
	316	int dev;
	317	dev = simple_strtoul(argv[2], NULL, 10);
	318
	319	u32 bootsize = simple_strtoul(argv[3], NULL, 10);
	320	u32 rpmbsize = simple_strtoul(argv[4], NULL, 10);
	321	struct mmc *mmc = find_mmc_device(dev);
	322	if (!mmc) {
	323	printf("no mmc device at slot %x\n", dev);
	324	return 1;
	325	}
	326
	327	if (IS_SD(mmc)) {
	328	printf("It is not a EMMC device\n");
	329	return 1;
	330	}
	331
	332	if (0 == mmc_boot_partition_size_change(mmc,
	333	bootsize, rpmbsize)) {
	334	printf("EMMC boot partition Size %d MB\n", bootsize);
	335	printf("EMMC RPMB partition Size %d MB\n", rpmbsize);
	336	return 0;
	337	} else {
	338	printf("EMMC boot partition Size change Failed.\n");
	339	return 1;
	340	}
	341	#endif /* CONFIG_SUPPORT_EMMC_BOOT */
	342	}
ed80c931 TH	343	state = MMC_INVALID;
ed80c931 TH	344	if (argc == 5 && strcmp(argv[1], "read") == 0)
6be95ccf	345	state = MMC_READ;
ed80c931	346	else if (argc == 5 && strcmp(argv[1], "write") == 0)
6be95ccf	347	state = MMC_WRITE;
ed80c931	348	else if (argc == 4 && strcmp(argv[1], "erase") == 0)
e6f99a56	349	state = MMC_ERASE;
272cc70b	350
6be95ccf LW	351	if (state != MMC_INVALID) {
6be95ccf LW	352	struct mmc *mmc = find_mmc_device(curr_device);
e6f99a56 LW	353	int idx = 2;
	354	u32 blk, cnt, n;
	355	void *addr;
	356
	357	if (state != MMC_ERASE) {
	358	addr = (void *)simple_strtoul(argv[idx], NULL, 16);
	359	++idx;
	360	} else
088f1b19	361	addr = NULL;
e6f99a56 LW	362	blk = simple_strtoul(argv[idx], NULL, 16);
e6f99a56 LW	363	cnt = simple_strtoul(argv[idx + 1], NULL, 16);
272cc70b	364
ea6ebe21 LW	365	if (!mmc) {
	366	printf("no mmc device at slot %x\n", curr_device);
	367	return 1;
	368	}
e85649c7	369
6be95ccf LW	370	printf("\nMMC %s: dev # %d, block # %d, count %d ... ",
6be95ccf LW	371	argv[1], curr_device, blk, cnt);
272cc70b	372
ea6ebe21	373	mmc_init(mmc);
272cc70b	374
d23d8d7e NK	375	if ((state == MMC_WRITE \|\| state == MMC_ERASE)) {
	376	if (mmc_getwp(mmc) == 1) {
	377	printf("Error: card is write protected!\n");
	378	return 1;
	379	}
	380	}
	381
6be95ccf LW	382	switch (state) {
	383	case MMC_READ:
	384	n = mmc->block_dev.block_read(curr_device, blk,
	385	cnt, addr);
	386	/* flush cache after read */
	387	flush_cache((ulong)addr, cnt * 512); /* FIXME */
	388	break;
	389	case MMC_WRITE:
	390	n = mmc->block_dev.block_write(curr_device, blk,
	391	cnt, addr);
	392	break;
e6f99a56 LW	393	case MMC_ERASE:
	394	n = mmc->block_dev.block_erase(curr_device, blk, cnt);
	395	break;
6be95ccf LW	396	default:
	397	BUG();
	398	}
272cc70b	399
6be95ccf LW	400	printf("%d blocks %s: %s\n",
6be95ccf LW	401	n, argv[1], (n == cnt) ? "OK" : "ERROR");
ea6ebe21	402	return (n == cnt) ? 0 : 1;
272cc70b	403	}
ea6ebe21	404
4c12eeb8	405	return CMD_RET_USAGE;
272cc70b AF	406	}
	407
	408	U_BOOT_CMD(
	409	mmc, 6, 1, do_mmcops,
852dbfdd	410	"MMC sub system",
ea6ebe21 LW	411	"read addr blk# cnt\n"
ea6ebe21 LW	412	"mmc write addr blk# cnt\n"
e6f99a56	413	"mmc erase blk# cnt\n"
ea6ebe21 LW	414	"mmc rescan\n"
ea6ebe21 LW	415	"mmc part - lists available partition on current mmc device\n"
bc897b1d	416	"mmc dev [dev] [part] - show or set current mmc device [partition]\n"
2a91c913 A	417	"mmc list - lists available devices\n"
	418	#ifdef CONFIG_SUPPORT_EMMC_BOOT
	419	"mmc open <dev> <boot_partition>\n"
	420	" - Enable boot_part for booting and enable R/W access of boot_part\n"
	421	"mmc close <dev> <boot_partition>\n"
	422	" - Enable boot_part for booting and disable access to boot_part\n"
	423	"mmc bootpart <device num> <boot part size MB> <RPMB part size MB>\n"
1f8b546f	424	" - change sizes of boot and RPMB partitions of specified device\n"
3511b4e2	425	#endif
2a91c913 A	426	);
2a91c913 A	427	#endif /* !CONFIG_GENERIC_MMC */