[J-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 */

static void print_mmcinfo(struct mmc *mmc)
{
	printf("Device: %s\n", mmc->cfg->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 struct mmc *init_mmc_device(int dev)
{
	struct mmc *mmc;
	mmc = find_mmc_device(dev);
	if (!mmc) {
		printf("no mmc device at slot %x\n", dev);
		return NULL;
	}
	if (mmc_init(mmc))
		return NULL;
	return mmc;
}
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 = init_mmc_device(curr_device);
	if (!mmc)
		return CMD_RET_FAILURE;

	print_mmcinfo(mmc);
	return CMD_RET_SUCCESS;
}

#ifdef CONFIG_SUPPORT_EMMC_RPMB
static int confirm_key_prog(void)
{
	puts("Warning: Programming authentication key can be done only once !\n"
	     "         Use this command only if you are sure of what you are doing,\n"
	     "Really perform the key programming? <y/N> ");
	if (confirm_yesno())
		return 1;

	puts("Authentication key programming aborted\n");
	return 0;
}
static int do_mmcrpmb_key(cmd_tbl_t *cmdtp, int flag,
			  int argc, char * const argv[])
{
	void *key_addr;
	struct mmc *mmc = find_mmc_device(curr_device);

	if (argc != 2)
		return CMD_RET_USAGE;

	key_addr = (void *)simple_strtoul(argv[1], NULL, 16);
	if (!confirm_key_prog())
		return CMD_RET_FAILURE;
	if (mmc_rpmb_set_key(mmc, key_addr)) {
		printf("ERROR - Key already programmed ?\n");
		return CMD_RET_FAILURE;
	}
	return CMD_RET_SUCCESS;
}
static int do_mmcrpmb_read(cmd_tbl_t *cmdtp, int flag,
			   int argc, char * const argv[])
{
	u16 blk, cnt;
	void *addr;
	int n;
	void *key_addr = NULL;
	struct mmc *mmc = find_mmc_device(curr_device);

	if (argc < 4)
		return CMD_RET_USAGE;

	addr = (void *)simple_strtoul(argv[1], NULL, 16);
	blk = simple_strtoul(argv[2], NULL, 16);
	cnt = simple_strtoul(argv[3], NULL, 16);

	if (argc == 5)
		key_addr = (void *)simple_strtoul(argv[4], NULL, 16);

	printf("\nMMC RPMB read: dev # %d, block # %d, count %d ... ",
	       curr_device, blk, cnt);
	n =  mmc_rpmb_read(mmc, addr, blk, cnt, key_addr);

	printf("%d RPMB blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");
	if (n != cnt)
		return CMD_RET_FAILURE;
	return CMD_RET_SUCCESS;
}
static int do_mmcrpmb_write(cmd_tbl_t *cmdtp, int flag,
			    int argc, char * const argv[])
{
	u16 blk, cnt;
	void *addr;
	int n;
	void *key_addr;
	struct mmc *mmc = find_mmc_device(curr_device);

	if (argc != 5)
		return CMD_RET_USAGE;

	addr = (void *)simple_strtoul(argv[1], NULL, 16);
	blk = simple_strtoul(argv[2], NULL, 16);
	cnt = simple_strtoul(argv[3], NULL, 16);
	key_addr = (void *)simple_strtoul(argv[4], NULL, 16);

	printf("\nMMC RPMB write: dev # %d, block # %d, count %d ... ",
	       curr_device, blk, cnt);
	n =  mmc_rpmb_write(mmc, addr, blk, cnt, key_addr);

	printf("%d RPMB blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");
	if (n != cnt)
		return CMD_RET_FAILURE;
	return CMD_RET_SUCCESS;
}
static int do_mmcrpmb_counter(cmd_tbl_t *cmdtp, int flag,
			      int argc, char * const argv[])
{
	unsigned long counter;
	struct mmc *mmc = find_mmc_device(curr_device);

	if (mmc_rpmb_get_counter(mmc, &counter))
		return CMD_RET_FAILURE;
	printf("RPMB Write counter= %lx\n", counter);
	return CMD_RET_SUCCESS;
}

static cmd_tbl_t cmd_rpmb[] = {
	U_BOOT_CMD_MKENT(key, 2, 0, do_mmcrpmb_key, "", ""),
	U_BOOT_CMD_MKENT(read, 5, 1, do_mmcrpmb_read, "", ""),
	U_BOOT_CMD_MKENT(write, 5, 0, do_mmcrpmb_write, "", ""),
	U_BOOT_CMD_MKENT(counter, 1, 1, do_mmcrpmb_counter, "", ""),
};

static int do_mmcrpmb(cmd_tbl_t *cmdtp, int flag,
		      int argc, char * const argv[])
{
	cmd_tbl_t *cp;
	struct mmc *mmc;
	char original_part;
	int ret;

	cp = find_cmd_tbl(argv[1], cmd_rpmb, ARRAY_SIZE(cmd_rpmb));

	/* Drop the rpmb subcommand */
	argc--;
	argv++;

	if (cp == NULL || argc > cp->maxargs)
		return CMD_RET_USAGE;
	if (flag == CMD_FLAG_REPEAT && !cp->repeatable)
		return CMD_RET_SUCCESS;

	mmc = init_mmc_device(curr_device);
	if (!mmc)
		return CMD_RET_FAILURE;

	if (!(mmc->version & MMC_VERSION_MMC)) {
		printf("It is not a EMMC device\n");
		return CMD_RET_FAILURE;
	}
	if (mmc->version < MMC_VERSION_4_41) {
		printf("RPMB not supported before version 4.41\n");
		return CMD_RET_FAILURE;
	}
	/* Switch to the RPMB partition */
	original_part = mmc->part_num;
	if (mmc->part_num != MMC_PART_RPMB) {
		if (mmc_switch_part(curr_device, MMC_PART_RPMB) != 0)
			return CMD_RET_FAILURE;
		mmc->part_num = MMC_PART_RPMB;
	}
	ret = cp->cmd(cmdtp, flag, argc, argv);

	/* Return to original partition */
	if (mmc->part_num != original_part) {
		if (mmc_switch_part(curr_device, original_part) != 0)
			return CMD_RET_FAILURE;
		mmc->part_num = original_part;
	}
	return ret;
}
#endif

static int do_mmc_read(cmd_tbl_t *cmdtp, int flag,
		       int argc, char * const argv[])
{
	struct mmc *mmc;
	u32 blk, cnt, n;
	void *addr;

	if (argc != 4)
		return CMD_RET_USAGE;

	addr = (void *)simple_strtoul(argv[1], NULL, 16);
	blk = simple_strtoul(argv[2], NULL, 16);
	cnt = simple_strtoul(argv[3], NULL, 16);

	mmc = init_mmc_device(curr_device);
	if (!mmc)
		return CMD_RET_FAILURE;

	printf("\nMMC read: dev # %d, block # %d, count %d ... ",
	       curr_device, blk, cnt);

	n = mmc->block_dev.block_read(curr_device, blk, cnt, addr);
	/* flush cache after read */
	flush_cache((ulong)addr, cnt * 512); /* FIXME */
	printf("%d blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");

	return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
}
static int do_mmc_write(cmd_tbl_t *cmdtp, int flag,
			int argc, char * const argv[])
{
	struct mmc *mmc;
	u32 blk, cnt, n;
	void *addr;

	if (argc != 4)
		return CMD_RET_USAGE;

	addr = (void *)simple_strtoul(argv[1], NULL, 16);
	blk = simple_strtoul(argv[2], NULL, 16);
	cnt = simple_strtoul(argv[3], NULL, 16);

	mmc = init_mmc_device(curr_device);
	if (!mmc)
		return CMD_RET_FAILURE;

	printf("\nMMC write: dev # %d, block # %d, count %d ... ",
	       curr_device, blk, cnt);

	if (mmc_getwp(mmc) == 1) {
		printf("Error: card is write protected!\n");
		return CMD_RET_FAILURE;
	}
	n = mmc->block_dev.block_write(curr_device, blk, cnt, addr);
	printf("%d blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");

	return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
}
static int do_mmc_erase(cmd_tbl_t *cmdtp, int flag,
			int argc, char * const argv[])
{
	struct mmc *mmc;
	u32 blk, cnt, n;

	if (argc != 3)
		return CMD_RET_USAGE;

	blk = simple_strtoul(argv[1], NULL, 16);
	cnt = simple_strtoul(argv[2], NULL, 16);

	mmc = init_mmc_device(curr_device);
	if (!mmc)
		return CMD_RET_FAILURE;

	printf("\nMMC erase: dev # %d, block # %d, count %d ... ",
	       curr_device, blk, cnt);

	if (mmc_getwp(mmc) == 1) {
		printf("Error: card is write protected!\n");
		return CMD_RET_FAILURE;
	}
	n = mmc->block_dev.block_erase(curr_device, blk, cnt);
	printf("%d blocks erased: %s\n", n, (n == cnt) ? "OK" : "ERROR");

	return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
}
static int do_mmc_rescan(cmd_tbl_t *cmdtp, int flag,
			 int argc, char * const argv[])
{
	struct mmc *mmc;

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

	mmc->has_init = 0;

	if (mmc_init(mmc))
		return CMD_RET_FAILURE;
	return CMD_RET_SUCCESS;
}
static int do_mmc_part(cmd_tbl_t *cmdtp, int flag,
		       int argc, char * const argv[])
{
	block_dev_desc_t *mmc_dev;
	struct mmc *mmc;

	mmc = init_mmc_device(curr_device);
	if (!mmc)
		return CMD_RET_FAILURE;

	mmc_dev = mmc_get_dev(curr_device);
	if (mmc_dev != NULL && mmc_dev->type != DEV_TYPE_UNKNOWN) {
		print_part(mmc_dev);
		return CMD_RET_SUCCESS;
	}

	puts("get mmc type error!\n");
	return CMD_RET_FAILURE;
}
static int do_mmc_dev(cmd_tbl_t *cmdtp, int flag,
		      int argc, char * const argv[])
{
	int dev, part = -1, ret;
	struct mmc *mmc;

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

	mmc = init_mmc_device(dev);
	if (!mmc)
		return CMD_RET_FAILURE;

	if (part != -1) {
		ret = mmc_select_hwpart(dev, part);
		printf("switch to partitions #%d, %s\n",
			part, (!ret) ? "OK" : "ERROR");
		if (ret)
			return 1;
	}
	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 CMD_RET_SUCCESS;
}
static int do_mmc_list(cmd_tbl_t *cmdtp, int flag,
		       int argc, char * const argv[])
{
	print_mmc_devices('\n');
	return CMD_RET_SUCCESS;
}
#ifdef CONFIG_SUPPORT_EMMC_BOOT
static int do_mmc_bootbus(cmd_tbl_t *cmdtp, int flag,
			  int argc, char * const argv[])
{
	int dev;
	struct mmc *mmc;
	u8 width, reset, mode;

	if (argc != 5)
		return CMD_RET_USAGE;
	dev = simple_strtoul(argv[1], NULL, 10);
	width = simple_strtoul(argv[2], NULL, 10);
	reset = simple_strtoul(argv[3], NULL, 10);
	mode = simple_strtoul(argv[4], NULL, 10);

	mmc = init_mmc_device(dev);
	if (!mmc)
		return CMD_RET_FAILURE;

	if (IS_SD(mmc)) {
		puts("BOOT_BUS_WIDTH only exists on eMMC\n");
		return CMD_RET_FAILURE;
	}

	/* acknowledge to be sent during boot operation */
	return mmc_set_boot_bus_width(mmc, width, reset, mode);
}
static int do_mmc_boot_resize(cmd_tbl_t *cmdtp, int flag,
			      int argc, char * const argv[])
{
	int dev;
	struct mmc *mmc;
	u32 bootsize, rpmbsize;

	if (argc != 4)
		return CMD_RET_USAGE;
	dev = simple_strtoul(argv[1], NULL, 10);
	bootsize = simple_strtoul(argv[2], NULL, 10);
	rpmbsize = simple_strtoul(argv[3], NULL, 10);

	mmc = init_mmc_device(dev);
	if (!mmc)
		return CMD_RET_FAILURE;

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

	if (mmc_boot_partition_size_change(mmc, bootsize, rpmbsize)) {
		printf("EMMC boot partition Size change Failed.\n");
		return CMD_RET_FAILURE;
	}

	printf("EMMC boot partition Size %d MB\n", bootsize);
	printf("EMMC RPMB partition Size %d MB\n", rpmbsize);
	return CMD_RET_SUCCESS;
}
static int do_mmc_partconf(cmd_tbl_t *cmdtp, int flag,
			   int argc, char * const argv[])
{
	int dev;
	struct mmc *mmc;
	u8 ack, part_num, access;

	if (argc != 5)
		return CMD_RET_USAGE;

	dev = simple_strtoul(argv[1], NULL, 10);
	ack = simple_strtoul(argv[2], NULL, 10);
	part_num = simple_strtoul(argv[3], NULL, 10);
	access = simple_strtoul(argv[4], NULL, 10);

	mmc = init_mmc_device(dev);
	if (!mmc)
		return CMD_RET_FAILURE;

	if (IS_SD(mmc)) {
		puts("PARTITION_CONFIG only exists on eMMC\n");
		return CMD_RET_FAILURE;
	}

	/* acknowledge to be sent during boot operation */
	return mmc_set_part_conf(mmc, ack, part_num, access);
}
static int do_mmc_rst_func(cmd_tbl_t *cmdtp, int flag,
			   int argc, char * const argv[])
{
	int dev;
	struct mmc *mmc;
	u8 enable;

	/*
	 * Set the RST_n_ENABLE bit of RST_n_FUNCTION
	 * The only valid values are 0x0, 0x1 and 0x2 and writing
	 * a value of 0x1 or 0x2 sets the value permanently.
	 */
	if (argc != 3)
		return CMD_RET_USAGE;

	dev = simple_strtoul(argv[1], NULL, 10);
	enable = simple_strtoul(argv[2], NULL, 10);

	if (enable > 2 || enable < 0) {
		puts("Invalid RST_n_ENABLE value\n");
		return CMD_RET_USAGE;
	}

	mmc = init_mmc_device(dev);
	if (!mmc)
		return CMD_RET_FAILURE;

	if (IS_SD(mmc)) {
		puts("RST_n_FUNCTION only exists on eMMC\n");
		return CMD_RET_FAILURE;
	}

	return mmc_set_rst_n_function(mmc, enable);
}
#endif
static int do_mmc_setdsr(cmd_tbl_t *cmdtp, int flag,
			 int argc, char * const argv[])
{
	struct mmc *mmc;
	u32 val;
	int ret;

	if (argc != 2)
		return CMD_RET_USAGE;
	val = simple_strtoul(argv[2], NULL, 16);

	mmc = find_mmc_device(curr_device);
	if (!mmc) {
		printf("no mmc device at slot %x\n", curr_device);
		return CMD_RET_FAILURE;
	}
	ret = mmc_set_dsr(mmc, val);
	printf("set dsr %s\n", (!ret) ? "OK, force rescan" : "ERROR");
	if (!ret) {
		mmc->has_init = 0;
		if (mmc_init(mmc))
			return CMD_RET_FAILURE;
		else
			return CMD_RET_SUCCESS;
	}
	return ret;
}

static cmd_tbl_t cmd_mmc[] = {
	U_BOOT_CMD_MKENT(info, 1, 0, do_mmcinfo, "", ""),
	U_BOOT_CMD_MKENT(read, 4, 1, do_mmc_read, "", ""),
	U_BOOT_CMD_MKENT(write, 4, 0, do_mmc_write, "", ""),
	U_BOOT_CMD_MKENT(erase, 3, 0, do_mmc_erase, "", ""),
	U_BOOT_CMD_MKENT(rescan, 1, 1, do_mmc_rescan, "", ""),
	U_BOOT_CMD_MKENT(part, 1, 1, do_mmc_part, "", ""),
	U_BOOT_CMD_MKENT(dev, 3, 0, do_mmc_dev, "", ""),
	U_BOOT_CMD_MKENT(list, 1, 1, do_mmc_list, "", ""),
#ifdef CONFIG_SUPPORT_EMMC_BOOT
	U_BOOT_CMD_MKENT(bootbus, 5, 0, do_mmc_bootbus, "", ""),
	U_BOOT_CMD_MKENT(bootpart-resize, 3, 0, do_mmc_boot_resize, "", ""),
	U_BOOT_CMD_MKENT(partconf, 5, 0, do_mmc_partconf, "", ""),
	U_BOOT_CMD_MKENT(rst-function, 3, 0, do_mmc_rst_func, "", ""),
#endif
#ifdef CONFIG_SUPPORT_EMMC_RPMB
	U_BOOT_CMD_MKENT(rpmb, CONFIG_SYS_MAXARGS, 1, do_mmcrpmb, "", ""),
#endif
	U_BOOT_CMD_MKENT(setdsr, 2, 0, do_mmc_setdsr, "", ""),
};

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

	cp = find_cmd_tbl(argv[1], cmd_mmc, ARRAY_SIZE(cmd_mmc));

	/* Drop the mmc command */
	argc--;
	argv++;

	if (cp == NULL || argc > cp->maxargs)
		return CMD_RET_USAGE;
	if (flag == CMD_FLAG_REPEAT && !cp->repeatable)
		return CMD_RET_SUCCESS;

	if (curr_device < 0) {
		if (get_mmc_num() > 0) {
			curr_device = 0;
		} else {
			puts("No MMC device available\n");
			return CMD_RET_FAILURE;
		}
	}
	return cp->cmd(cmdtp, flag, argc, argv);
}

U_BOOT_CMD(
	mmc, 7, 1, do_mmcops,
	"MMC sub system",
	"info - display info of the current MMC device\n"
	"mmc 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 bootbus dev boot_bus_width reset_boot_bus_width boot_mode\n"
	" - Set the BOOT_BUS_WIDTH field of the specified device\n"
	"mmc bootpart-resize <dev> <boot part size MB> <RPMB part size MB>\n"
	" - Change sizes of boot and RPMB partitions of specified device\n"
	"mmc partconf dev boot_ack boot_partition partition_access\n"
	" - Change the bits of the PARTITION_CONFIG field of the specified device\n"
	"mmc rst-function dev value\n"
	" - Change the RST_n_FUNCTION field of the specified device\n"
	"   WARNING: This is a write-once field and 0 / 1 / 2 are the only valid values.\n"
#endif
#ifdef CONFIG_SUPPORT_EMMC_RPMB
	"mmc rpmb read addr blk# cnt [address of auth-key] - block size is 256 bytes\n"
	"mmc rpmb write addr blk# cnt <address of auth-key> - block size is 256 bytes\n"
	"mmc rpmb key <address of auth-key> - program the RPMB authentication key.\n"
	"mmc rpmb counter - read the value of the write counter\n"
#endif
	"mmc setdsr <value> - set DSR register value\n"
	);

/* Old command kept for compatibility. Same as 'mmc info' */
U_BOOT_CMD(
	mmcinfo, 1, 0, do_mmcinfo,
	"display MMC info",
	"- display info of the current MMC device"
);

#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 AF	73
	74	static void print_mmcinfo(struct mmc *mmc)
	75	{
93bfd616	76	printf("Device: %s\n", mmc->cfg->name);
272cc70b AF	77	printf("Manufacturer ID: %x\n", mmc->cid[0] >> 24);
	78	printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xffff);
	79	printf("Name: %c%c%c%c%c \n", mmc->cid[0] & 0xff,
	80	(mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff,
	81	(mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff);
	82
	83	printf("Tran Speed: %d\n", mmc->tran_speed);
	84	printf("Rd Block Len: %d\n", mmc->read_bl_len);
	85
	86	printf("%s version %d.%d\n", IS_SD(mmc) ? "SD" : "MMC",
64f4a619	87	(mmc->version >> 8) & 0xf, mmc->version & 0xff);
272cc70b AF	88
272cc70b AF	89	printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No");
940e0782 MK	90	puts("Capacity: ");
940e0782 MK	91	print_size(mmc->capacity, "\n");
272cc70b AF	92
	93	printf("Bus Width: %d-bit\n", mmc->bus_width);
	94	}
1fd93c6e PA	95	static struct mmc *init_mmc_device(int dev)
	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	if (mmc_init(mmc))
	104	return NULL;
	105	return mmc;
	106	}
088f1b19	107	static int do_mmcinfo(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
272cc70b AF	108	{
272cc70b AF	109	struct mmc *mmc;
272cc70b	110
ea6ebe21 LW	111	if (curr_device < 0) {
	112	if (get_mmc_num() > 0)
	113	curr_device = 0;
	114	else {
	115	puts("No MMC device available\n");
	116	return 1;
	117	}
	118	}
272cc70b	119
1fd93c6e PA	120	mmc = init_mmc_device(curr_device);
	121	if (!mmc)
	122	return CMD_RET_FAILURE;
272cc70b	123
1fd93c6e PA	124	print_mmcinfo(mmc);
	125	return CMD_RET_SUCCESS;
	126	}
272cc70b	127
1fd93c6e PA	128	#ifdef CONFIG_SUPPORT_EMMC_RPMB
	129	static int confirm_key_prog(void)
	130	{
	131	puts("Warning: Programming authentication key can be done only once !\n"
	132	" Use this command only if you are sure of what you are doing,\n"
	133	"Really perform the key programming? <y/N> ");
	134	if (confirm_yesno())
ea6ebe21	135	return 1;
1fd93c6e PA	136
	137	puts("Authentication key programming aborted\n");
	138	return 0;
	139	}
	140	static int do_mmcrpmb_key(cmd_tbl_t *cmdtp, int flag,
	141	int argc, char * const argv[])
	142	{
	143	void *key_addr;
	144	struct mmc *mmc = find_mmc_device(curr_device);
	145
	146	if (argc != 2)
	147	return CMD_RET_USAGE;
	148
	149	key_addr = (void *)simple_strtoul(argv[1], NULL, 16);
	150	if (!confirm_key_prog())
	151	return CMD_RET_FAILURE;
	152	if (mmc_rpmb_set_key(mmc, key_addr)) {
	153	printf("ERROR - Key already programmed ?\n");
	154	return CMD_RET_FAILURE;
272cc70b	155	}
1fd93c6e	156	return CMD_RET_SUCCESS;
272cc70b	157	}
1fd93c6e PA	158	static int do_mmcrpmb_read(cmd_tbl_t *cmdtp, int flag,
	159	int argc, char * const argv[])
	160	{
	161	u16 blk, cnt;
	162	void *addr;
	163	int n;
	164	void *key_addr = NULL;
	165	struct mmc *mmc = find_mmc_device(curr_device);
272cc70b	166
1fd93c6e PA	167	if (argc < 4)
1fd93c6e PA	168	return CMD_RET_USAGE;
272cc70b	169
1fd93c6e PA	170	addr = (void *)simple_strtoul(argv[1], NULL, 16);
	171	blk = simple_strtoul(argv[2], NULL, 16);
	172	cnt = simple_strtoul(argv[3], NULL, 16);
	173
	174	if (argc == 5)
	175	key_addr = (void *)simple_strtoul(argv[4], NULL, 16);
	176
	177	printf("\nMMC RPMB read: dev # %d, block # %d, count %d ... ",
	178	curr_device, blk, cnt);
	179	n = mmc_rpmb_read(mmc, addr, blk, cnt, key_addr);
	180
	181	printf("%d RPMB blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");
	182	if (n != cnt)
	183	return CMD_RET_FAILURE;
	184	return CMD_RET_SUCCESS;
	185	}
	186	static int do_mmcrpmb_write(cmd_tbl_t *cmdtp, int flag,
	187	int argc, char * const argv[])
272cc70b	188	{
1fd93c6e PA	189	u16 blk, cnt;
	190	void *addr;
	191	int n;
	192	void *key_addr;
	193	struct mmc *mmc = find_mmc_device(curr_device);
6be95ccf	194
1fd93c6e	195	if (argc != 5)
4c12eeb8	196	return CMD_RET_USAGE;
272cc70b	197
1fd93c6e PA	198	addr = (void *)simple_strtoul(argv[1], NULL, 16);
	199	blk = simple_strtoul(argv[2], NULL, 16);
	200	cnt = simple_strtoul(argv[3], NULL, 16);
	201	key_addr = (void *)simple_strtoul(argv[4], NULL, 16);
	202
	203	printf("\nMMC RPMB write: dev # %d, block # %d, count %d ... ",
	204	curr_device, blk, cnt);
	205	n = mmc_rpmb_write(mmc, addr, blk, cnt, key_addr);
	206
	207	printf("%d RPMB blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");
	208	if (n != cnt)
	209	return CMD_RET_FAILURE;
	210	return CMD_RET_SUCCESS;
	211	}
	212	static int do_mmcrpmb_counter(cmd_tbl_t *cmdtp, int flag,
	213	int argc, char * const argv[])
	214	{
	215	unsigned long counter;
	216	struct mmc *mmc = find_mmc_device(curr_device);
	217
	218	if (mmc_rpmb_get_counter(mmc, &counter))
	219	return CMD_RET_FAILURE;
	220	printf("RPMB Write counter= %lx\n", counter);
	221	return CMD_RET_SUCCESS;
	222	}
	223
	224	static cmd_tbl_t cmd_rpmb[] = {
	225	U_BOOT_CMD_MKENT(key, 2, 0, do_mmcrpmb_key, "", ""),
	226	U_BOOT_CMD_MKENT(read, 5, 1, do_mmcrpmb_read, "", ""),
	227	U_BOOT_CMD_MKENT(write, 5, 0, do_mmcrpmb_write, "", ""),
	228	U_BOOT_CMD_MKENT(counter, 1, 1, do_mmcrpmb_counter, "", ""),
	229	};
	230
	231	static int do_mmcrpmb(cmd_tbl_t *cmdtp, int flag,
	232	int argc, char * const argv[])
	233	{
	234	cmd_tbl_t *cp;
	235	struct mmc *mmc;
	236	char original_part;
	237	int ret;
	238
	239	cp = find_cmd_tbl(argv[1], cmd_rpmb, ARRAY_SIZE(cmd_rpmb));
	240
	241	/* Drop the rpmb subcommand */
	242	argc--;
	243	argv++;
	244
	245	if (cp == NULL \|\| argc > cp->maxargs)
	246	return CMD_RET_USAGE;
	247	if (flag == CMD_FLAG_REPEAT && !cp->repeatable)
	248	return CMD_RET_SUCCESS;
	249
	250	mmc = init_mmc_device(curr_device);
	251	if (!mmc)
	252	return CMD_RET_FAILURE;
	253
	254	if (!(mmc->version & MMC_VERSION_MMC)) {
	255	printf("It is not a EMMC device\n");
	256	return CMD_RET_FAILURE;
	257	}
	258	if (mmc->version < MMC_VERSION_4_41) {
	259	printf("RPMB not supported before version 4.41\n");
	260	return CMD_RET_FAILURE;
ea6ebe21	261	}
1fd93c6e PA	262	/* Switch to the RPMB partition */
	263	original_part = mmc->part_num;
	264	if (mmc->part_num != MMC_PART_RPMB) {
	265	if (mmc_switch_part(curr_device, MMC_PART_RPMB) != 0)
	266	return CMD_RET_FAILURE;
	267	mmc->part_num = MMC_PART_RPMB;
	268	}
	269	ret = cp->cmd(cmdtp, flag, argc, argv);
272cc70b	270
1fd93c6e PA	271	/* Return to original partition */
	272	if (mmc->part_num != original_part) {
	273	if (mmc_switch_part(curr_device, original_part) != 0)
	274	return CMD_RET_FAILURE;
	275	mmc->part_num = original_part;
	276	}
	277	return ret;
	278	}
	279	#endif
9fd38372	280
1fd93c6e PA	281	static int do_mmc_read(cmd_tbl_t *cmdtp, int flag,
	282	int argc, char * const argv[])
	283	{
	284	struct mmc *mmc;
	285	u32 blk, cnt, n;
	286	void *addr;
e85649c7	287
1fd93c6e PA	288	if (argc != 4)
1fd93c6e PA	289	return CMD_RET_USAGE;
ea6ebe21	290
1fd93c6e PA	291	addr = (void *)simple_strtoul(argv[1], NULL, 16);
	292	blk = simple_strtoul(argv[2], NULL, 16);
	293	cnt = simple_strtoul(argv[3], NULL, 16);
272cc70b	294
1fd93c6e PA	295	mmc = init_mmc_device(curr_device);
	296	if (!mmc)
	297	return CMD_RET_FAILURE;
ea6ebe21	298
1fd93c6e PA	299	printf("\nMMC read: dev # %d, block # %d, count %d ... ",
1fd93c6e PA	300	curr_device, blk, cnt);
9fd38372	301
1fd93c6e PA	302	n = mmc->block_dev.block_read(curr_device, blk, cnt, addr);
	303	/* flush cache after read */
	304	flush_cache((ulong)addr, cnt * 512); /* FIXME */
	305	printf("%d blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");
8f3b9642	306
1fd93c6e PA	307	return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
	308	}
	309	static int do_mmc_write(cmd_tbl_t *cmdtp, int flag,
	310	int argc, char * const argv[])
	311	{
	312	struct mmc *mmc;
	313	u32 blk, cnt, n;
	314	void *addr;
8f3b9642	315
1fd93c6e PA	316	if (argc != 4)
1fd93c6e PA	317	return CMD_RET_USAGE;
272cc70b	318
1fd93c6e PA	319	addr = (void *)simple_strtoul(argv[1], NULL, 16);
	320	blk = simple_strtoul(argv[2], NULL, 16);
	321	cnt = simple_strtoul(argv[3], NULL, 16);
bc897b1d	322
1fd93c6e PA	323	mmc = init_mmc_device(curr_device);
	324	if (!mmc)
	325	return CMD_RET_FAILURE;
bc897b1d	326
1fd93c6e PA	327	printf("\nMMC write: dev # %d, block # %d, count %d ... ",
1fd93c6e PA	328	curr_device, blk, cnt);
272cc70b	329
1fd93c6e PA	330	if (mmc_getwp(mmc) == 1) {
	331	printf("Error: card is write protected!\n");
	332	return CMD_RET_FAILURE;
	333	}
	334	n = mmc->block_dev.block_write(curr_device, blk, cnt, addr);
	335	printf("%d blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");
792970b0	336
1fd93c6e PA	337	return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
	338	}
	339	static int do_mmc_erase(cmd_tbl_t *cmdtp, int flag,
	340	int argc, char * const argv[])
	341	{
	342	struct mmc *mmc;
	343	u32 blk, cnt, n;
2a91c913	344
1fd93c6e PA	345	if (argc != 3)
1fd93c6e PA	346	return CMD_RET_USAGE;
792970b0	347
1fd93c6e PA	348	blk = simple_strtoul(argv[1], NULL, 16);
1fd93c6e PA	349	cnt = simple_strtoul(argv[2], NULL, 16);
5a99b9de	350
1fd93c6e PA	351	mmc = init_mmc_device(curr_device);
	352	if (!mmc)
	353	return CMD_RET_FAILURE;
5a99b9de	354
1fd93c6e PA	355	printf("\nMMC erase: dev # %d, block # %d, count %d ... ",
1fd93c6e PA	356	curr_device, blk, cnt);
5a99b9de	357
1fd93c6e PA	358	if (mmc_getwp(mmc) == 1) {
	359	printf("Error: card is write protected!\n");
	360	return CMD_RET_FAILURE;
	361	}
	362	n = mmc->block_dev.block_erase(curr_device, blk, cnt);
	363	printf("%d blocks erased: %s\n", n, (n == cnt) ? "OK" : "ERROR");
b01e6fe6	364
1fd93c6e PA	365	return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
	366	}
	367	static int do_mmc_rescan(cmd_tbl_t *cmdtp, int flag,
	368	int argc, char * const argv[])
	369	{
	370	struct mmc *mmc;
2a91c913	371
1fd93c6e PA	372	mmc = find_mmc_device(curr_device);
	373	if (!mmc) {
	374	printf("no mmc device at slot %x\n", curr_device);
	375	return CMD_RET_FAILURE;
	376	}
2a91c913	377
1fd93c6e	378	mmc->has_init = 0;
33ace362	379
1fd93c6e PA	380	if (mmc_init(mmc))
	381	return CMD_RET_FAILURE;
	382	return CMD_RET_SUCCESS;
	383	}
	384	static int do_mmc_part(cmd_tbl_t *cmdtp, int flag,
	385	int argc, char * const argv[])
	386	{
	387	block_dev_desc_t *mmc_dev;
	388	struct mmc *mmc;
	389
	390	mmc = init_mmc_device(curr_device);
	391	if (!mmc)
	392	return CMD_RET_FAILURE;
	393
	394	mmc_dev = mmc_get_dev(curr_device);
	395	if (mmc_dev != NULL && mmc_dev->type != DEV_TYPE_UNKNOWN) {
	396	print_part(mmc_dev);
	397	return CMD_RET_SUCCESS;
	398	}
	399
	400	puts("get mmc type error!\n");
	401	return CMD_RET_FAILURE;
	402	}
	403	static int do_mmc_dev(cmd_tbl_t *cmdtp, int flag,
	404	int argc, char * const argv[])
	405	{
df348d82	406	int dev, part = -1, ret;
1fd93c6e PA	407	struct mmc *mmc;
	408
	409	if (argc == 1) {
	410	dev = curr_device;
	411	} else if (argc == 2) {
	412	dev = simple_strtoul(argv[1], NULL, 10);
	413	} else if (argc == 3) {
	414	dev = (int)simple_strtoul(argv[1], NULL, 10);
	415	part = (int)simple_strtoul(argv[2], NULL, 10);
	416	if (part > PART_ACCESS_MASK) {
	417	printf("#part_num shouldn't be larger than %d\n",
	418	PART_ACCESS_MASK);
	419	return CMD_RET_FAILURE;
33ace362	420	}
1fd93c6e PA	421	} else {
	422	return CMD_RET_USAGE;
	423	}
33ace362	424
1fd93c6e PA	425	mmc = init_mmc_device(dev);
	426	if (!mmc)
	427	return CMD_RET_FAILURE;
	428
	429	if (part != -1) {
df348d82 SW	430	ret = mmc_select_hwpart(dev, part);
	431	printf("switch to partitions #%d, %s\n",
	432	part, (!ret) ? "OK" : "ERROR");
	433	if (ret)
	434	return 1;
1fd93c6e PA	435	}
	436	curr_device = dev;
	437	if (mmc->part_config == MMCPART_NOAVAILABLE)
	438	printf("mmc%d is current device\n", curr_device);
	439	else
	440	printf("mmc%d(part %d) is current device\n",
	441	curr_device, mmc->part_num);
33ace362	442
1fd93c6e PA	443	return CMD_RET_SUCCESS;
	444	}
	445	static int do_mmc_list(cmd_tbl_t *cmdtp, int flag,
	446	int argc, char * const argv[])
	447	{
	448	print_mmc_devices('\n');
	449	return CMD_RET_SUCCESS;
	450	}
	451	#ifdef CONFIG_SUPPORT_EMMC_BOOT
	452	static int do_mmc_bootbus(cmd_tbl_t *cmdtp, int flag,
	453	int argc, char * const argv[])
	454	{
	455	int dev;
	456	struct mmc *mmc;
	457	u8 width, reset, mode;
	458
	459	if (argc != 5)
	460	return CMD_RET_USAGE;
	461	dev = simple_strtoul(argv[1], NULL, 10);
	462	width = simple_strtoul(argv[2], NULL, 10);
	463	reset = simple_strtoul(argv[3], NULL, 10);
	464	mode = simple_strtoul(argv[4], NULL, 10);
	465
	466	mmc = init_mmc_device(dev);
	467	if (!mmc)
	468	return CMD_RET_FAILURE;
	469
	470	if (IS_SD(mmc)) {
	471	puts("BOOT_BUS_WIDTH only exists on eMMC\n");
	472	return CMD_RET_FAILURE;
2a91c913	473	}
ab71188c	474
1fd93c6e PA	475	/* acknowledge to be sent during boot operation */
	476	return mmc_set_boot_bus_width(mmc, width, reset, mode);
	477	}
	478	static int do_mmc_boot_resize(cmd_tbl_t *cmdtp, int flag,
	479	int argc, char * const argv[])
	480	{
	481	int dev;
	482	struct mmc *mmc;
	483	u32 bootsize, rpmbsize;
ab71188c	484
1fd93c6e PA	485	if (argc != 4)
	486	return CMD_RET_USAGE;
	487	dev = simple_strtoul(argv[1], NULL, 10);
	488	bootsize = simple_strtoul(argv[2], NULL, 10);
	489	rpmbsize = simple_strtoul(argv[3], NULL, 10);
	490
	491	mmc = init_mmc_device(dev);
	492	if (!mmc)
	493	return CMD_RET_FAILURE;
	494
	495	if (IS_SD(mmc)) {
	496	printf("It is not a EMMC device\n");
	497	return CMD_RET_FAILURE;
ab71188c MN	498	}
ab71188c MN	499
1fd93c6e PA	500	if (mmc_boot_partition_size_change(mmc, bootsize, rpmbsize)) {
	501	printf("EMMC boot partition Size change Failed.\n");
	502	return CMD_RET_FAILURE;
	503	}
e85649c7	504
1fd93c6e PA	505	printf("EMMC boot partition Size %d MB\n", bootsize);
	506	printf("EMMC RPMB partition Size %d MB\n", rpmbsize);
	507	return CMD_RET_SUCCESS;
	508	}
	509	static int do_mmc_partconf(cmd_tbl_t *cmdtp, int flag,
	510	int argc, char * const argv[])
	511	{
	512	int dev;
	513	struct mmc *mmc;
	514	u8 ack, part_num, access;
272cc70b	515
1fd93c6e PA	516	if (argc != 5)
1fd93c6e PA	517	return CMD_RET_USAGE;
272cc70b	518
1fd93c6e PA	519	dev = simple_strtoul(argv[1], NULL, 10);
	520	ack = simple_strtoul(argv[2], NULL, 10);
	521	part_num = simple_strtoul(argv[3], NULL, 10);
	522	access = simple_strtoul(argv[4], NULL, 10);
d23d8d7e	523
1fd93c6e PA	524	mmc = init_mmc_device(dev);
	525	if (!mmc)
	526	return CMD_RET_FAILURE;
	527
	528	if (IS_SD(mmc)) {
	529	puts("PARTITION_CONFIG only exists on eMMC\n");
	530	return CMD_RET_FAILURE;
	531	}
	532
	533	/* acknowledge to be sent during boot operation */
	534	return mmc_set_part_conf(mmc, ack, part_num, access);
	535	}
	536	static int do_mmc_rst_func(cmd_tbl_t *cmdtp, int flag,
	537	int argc, char * const argv[])
	538	{
	539	int dev;
	540	struct mmc *mmc;
	541	u8 enable;
	542
	543	/*
	544	* Set the RST_n_ENABLE bit of RST_n_FUNCTION
	545	* The only valid values are 0x0, 0x1 and 0x2 and writing
	546	* a value of 0x1 or 0x2 sets the value permanently.
	547	*/
	548	if (argc != 3)
	549	return CMD_RET_USAGE;
	550
	551	dev = simple_strtoul(argv[1], NULL, 10);
	552	enable = simple_strtoul(argv[2], NULL, 10);
	553
	554	if (enable > 2 \|\| enable < 0) {
	555	puts("Invalid RST_n_ENABLE value\n");
	556	return CMD_RET_USAGE;
	557	}
	558
	559	mmc = init_mmc_device(dev);
	560	if (!mmc)
	561	return CMD_RET_FAILURE;
	562
	563	if (IS_SD(mmc)) {
	564	puts("RST_n_FUNCTION only exists on eMMC\n");
	565	return CMD_RET_FAILURE;
	566	}
272cc70b	567
1fd93c6e PA	568	return mmc_set_rst_n_function(mmc, enable);
	569	}
	570	#endif
	571	static int do_mmc_setdsr(cmd_tbl_t *cmdtp, int flag,
	572	int argc, char * const argv[])
	573	{
	574	struct mmc *mmc;
	575	u32 val;
	576	int ret;
	577
	578	if (argc != 2)
	579	return CMD_RET_USAGE;
	580	val = simple_strtoul(argv[2], NULL, 16);
	581
	582	mmc = find_mmc_device(curr_device);
	583	if (!mmc) {
	584	printf("no mmc device at slot %x\n", curr_device);
	585	return CMD_RET_FAILURE;
	586	}
	587	ret = mmc_set_dsr(mmc, val);
	588	printf("set dsr %s\n", (!ret) ? "OK, force rescan" : "ERROR");
	589	if (!ret) {
	590	mmc->has_init = 0;
	591	if (mmc_init(mmc))
	592	return CMD_RET_FAILURE;
	593	else
	594	return CMD_RET_SUCCESS;
272cc70b	595	}
1fd93c6e PA	596	return ret;
	597	}
	598
	599	static cmd_tbl_t cmd_mmc[] = {
	600	U_BOOT_CMD_MKENT(info, 1, 0, do_mmcinfo, "", ""),
	601	U_BOOT_CMD_MKENT(read, 4, 1, do_mmc_read, "", ""),
	602	U_BOOT_CMD_MKENT(write, 4, 0, do_mmc_write, "", ""),
	603	U_BOOT_CMD_MKENT(erase, 3, 0, do_mmc_erase, "", ""),
	604	U_BOOT_CMD_MKENT(rescan, 1, 1, do_mmc_rescan, "", ""),
	605	U_BOOT_CMD_MKENT(part, 1, 1, do_mmc_part, "", ""),
	606	U_BOOT_CMD_MKENT(dev, 3, 0, do_mmc_dev, "", ""),
	607	U_BOOT_CMD_MKENT(list, 1, 1, do_mmc_list, "", ""),
	608	#ifdef CONFIG_SUPPORT_EMMC_BOOT
	609	U_BOOT_CMD_MKENT(bootbus, 5, 0, do_mmc_bootbus, "", ""),
	610	U_BOOT_CMD_MKENT(bootpart-resize, 3, 0, do_mmc_boot_resize, "", ""),
	611	U_BOOT_CMD_MKENT(partconf, 5, 0, do_mmc_partconf, "", ""),
	612	U_BOOT_CMD_MKENT(rst-function, 3, 0, do_mmc_rst_func, "", ""),
	613	#endif
	614	#ifdef CONFIG_SUPPORT_EMMC_RPMB
	615	U_BOOT_CMD_MKENT(rpmb, CONFIG_SYS_MAXARGS, 1, do_mmcrpmb, "", ""),
	616	#endif
	617	U_BOOT_CMD_MKENT(setdsr, 2, 0, do_mmc_setdsr, "", ""),
	618	};
	619
	620	static int do_mmcops(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
	621	{
	622	cmd_tbl_t *cp;
	623
	624	cp = find_cmd_tbl(argv[1], cmd_mmc, ARRAY_SIZE(cmd_mmc));
	625
	626	/* Drop the mmc command */
	627	argc--;
	628	argv++;
	629
	630	if (cp == NULL \|\| argc > cp->maxargs)
	631	return CMD_RET_USAGE;
	632	if (flag == CMD_FLAG_REPEAT && !cp->repeatable)
	633	return CMD_RET_SUCCESS;
ea6ebe21	634
1fd93c6e PA	635	if (curr_device < 0) {
	636	if (get_mmc_num() > 0) {
	637	curr_device = 0;
	638	} else {
	639	puts("No MMC device available\n");
	640	return CMD_RET_FAILURE;
	641	}
	642	}
	643	return cp->cmd(cmdtp, flag, argc, argv);
272cc70b AF	644	}
	645
	646	U_BOOT_CMD(
1fd93c6e	647	mmc, 7, 1, do_mmcops,
852dbfdd	648	"MMC sub system",
1fd93c6e PA	649	"info - display info of the current MMC device\n"
1fd93c6e PA	650	"mmc read addr blk# cnt\n"
ea6ebe21	651	"mmc write addr blk# cnt\n"
e6f99a56	652	"mmc erase blk# cnt\n"
ea6ebe21 LW	653	"mmc rescan\n"
ea6ebe21 LW	654	"mmc part - lists available partition on current mmc device\n"
bc897b1d	655	"mmc dev [dev] [part] - show or set current mmc device [partition]\n"
2a91c913 A	656	"mmc list - lists available devices\n"
2a91c913 A	657	#ifdef CONFIG_SUPPORT_EMMC_BOOT
5a99b9de TR	658	"mmc bootbus dev boot_bus_width reset_boot_bus_width boot_mode\n"
5a99b9de TR	659	" - Set the BOOT_BUS_WIDTH field of the specified device\n"
f1fd957e TR	660	"mmc bootpart-resize <dev> <boot part size MB> <RPMB part size MB>\n"
f1fd957e TR	661	" - Change sizes of boot and RPMB partitions of specified device\n"
792970b0 TR	662	"mmc partconf dev boot_ack boot_partition partition_access\n"
792970b0 TR	663	" - Change the bits of the PARTITION_CONFIG field of the specified device\n"
33ace362 TR	664	"mmc rst-function dev value\n"
	665	" - Change the RST_n_FUNCTION field of the specified device\n"
	666	" WARNING: This is a write-once field and 0 / 1 / 2 are the only valid values.\n"
3511b4e2	667	#endif
1fd93c6e PA	668	#ifdef CONFIG_SUPPORT_EMMC_RPMB
	669	"mmc rpmb read addr blk# cnt [address of auth-key] - block size is 256 bytes\n"
	670	"mmc rpmb write addr blk# cnt <address of auth-key> - block size is 256 bytes\n"
	671	"mmc rpmb key <address of auth-key> - program the RPMB authentication key.\n"
	672	"mmc rpmb counter - read the value of the write counter\n"
	673	#endif
	674	"mmc setdsr <value> - set DSR register value\n"
2a91c913	675	);
1fd93c6e PA	676
	677	/* Old command kept for compatibility. Same as 'mmc info' */
	678	U_BOOT_CMD(
	679	mmcinfo, 1, 0, do_mmcinfo,
	680	"display MMC info",
	681	"- display info of the current MMC device"
	682	);
	683
2a91c913	684	#endif /* !CONFIG_GENERIC_MMC */