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

/*
 * (C) Copyright 2003
 * Kyle Harris, kharris@nexus-tech.net
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#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 partions #%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 partions of specified device\n"
#endif
	);
#endif /* !CONFIG_GENERIC_MMC */
Commit	Line	Data
71f95118 WD	1	/*
	2	* (C) Copyright 2003
	3	* Kyle Harris, kharris@nexus-tech.net
	4	*
	5	* See file CREDITS for list of people who contributed to this
	6	* project.
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License as
	10	* published by the Free Software Foundation; either version 2 of
	11	* the License, or (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; if not, write to the Free Software
	20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	21	* MA 02111-1307 USA
	22	*/
	23
	24	#include <common.h>
	25	#include <command.h>
71f95118 WD	26	#include <mmc.h>
71f95118 WD	27
02e22c2d	28	static int curr_device = -1;
ea6ebe21	29	#ifndef CONFIG_GENERIC_MMC
54841ab5	30	int do_mmc (cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
71f95118	31	{
869f6bf4 MK	32	int dev;
869f6bf4 MK	33
47e26b1b	34	if (argc < 2)
4c12eeb8	35	return CMD_RET_USAGE;
869f6bf4 MK	36
	37	if (strcmp(argv[1], "init") == 0) {
	38	if (argc == 2) {
	39	if (curr_device < 0)
	40	dev = 1;
	41	else
	42	dev = curr_device;
	43	} else if (argc == 3) {
	44	dev = (int)simple_strtoul(argv[2], NULL, 10);
	45	} else {
4c12eeb8	46	return CMD_RET_USAGE;
869f6bf4 MK	47	}
	48
	49	if (mmc_legacy_init(dev) != 0) {
	50	puts("No MMC card found\n");
	51	return 1;
	52	}
	53
	54	curr_device = dev;
	55	printf("mmc%d is available\n", curr_device);
	56	} else if (strcmp(argv[1], "device") == 0) {
	57	if (argc == 2) {
	58	if (curr_device < 0) {
	59	puts("No MMC device available\n");
	60	return 1;
	61	}
	62	} else if (argc == 3) {
	63	dev = (int)simple_strtoul(argv[2], NULL, 10);
	64
	65	#ifdef CONFIG_SYS_MMC_SET_DEV
	66	if (mmc_set_dev(dev) != 0)
	67	return 1;
	68	#endif
	69	curr_device = dev;
	70	} else {
4c12eeb8	71	return CMD_RET_USAGE;
869f6bf4 MK	72	}
	73
	74	printf("mmc%d is current device\n", curr_device);
	75	} else {
4c12eeb8	76	return CMD_RET_USAGE;
71f95118	77	}
869f6bf4	78
71f95118 WD	79	return 0;
	80	}
	81
0d498393	82	U_BOOT_CMD(
869f6bf4 MK	83	mmc, 3, 1, do_mmc,
	84	"MMC sub-system",
	85	"init [dev] - init MMC sub system\n"
a89c33db	86	"mmc device [dev] - show or set current device"
b0fce99b	87	);
3511b4e2	88	#else /* !CONFIG_GENERIC_MMC */
272cc70b	89
6be95ccf LW	90	enum mmc_state {
	91	MMC_INVALID,
	92	MMC_READ,
	93	MMC_WRITE,
e6f99a56	94	MMC_ERASE,
6be95ccf	95	};
272cc70b AF	96	static void print_mmcinfo(struct mmc *mmc)
	97	{
	98	printf("Device: %s\n", mmc->name);
	99	printf("Manufacturer ID: %x\n", mmc->cid[0] >> 24);
	100	printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xffff);
	101	printf("Name: %c%c%c%c%c \n", mmc->cid[0] & 0xff,
	102	(mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff,
	103	(mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff);
	104
	105	printf("Tran Speed: %d\n", mmc->tran_speed);
	106	printf("Rd Block Len: %d\n", mmc->read_bl_len);
	107
	108	printf("%s version %d.%d\n", IS_SD(mmc) ? "SD" : "MMC",
64f4a619	109	(mmc->version >> 8) & 0xf, mmc->version & 0xff);
272cc70b AF	110
272cc70b AF	111	printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No");
940e0782 MK	112	puts("Capacity: ");
940e0782 MK	113	print_size(mmc->capacity, "\n");
272cc70b AF	114
	115	printf("Bus Width: %d-bit\n", mmc->bus_width);
	116	}
	117
088f1b19	118	static int do_mmcinfo(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
272cc70b AF	119	{
272cc70b AF	120	struct mmc *mmc;
272cc70b	121
ea6ebe21 LW	122	if (curr_device < 0) {
	123	if (get_mmc_num() > 0)
	124	curr_device = 0;
	125	else {
	126	puts("No MMC device available\n");
	127	return 1;
	128	}
	129	}
272cc70b	130
ea6ebe21	131	mmc = find_mmc_device(curr_device);
272cc70b AF	132
	133	if (mmc) {
	134	mmc_init(mmc);
	135
	136	print_mmcinfo(mmc);
ea6ebe21 LW	137	return 0;
	138	} else {
	139	printf("no mmc device at slot %x\n", curr_device);
	140	return 1;
272cc70b	141	}
272cc70b AF	142	}
272cc70b AF	143
388a29d0	144	U_BOOT_CMD(
ea6ebe21	145	mmcinfo, 1, 0, do_mmcinfo,
cc9f607b	146	"display MMC info",
59ddead1	147	"- display info of the current MMC device"
a89c33db	148	);
272cc70b	149
2a91c913 A	150	#ifdef CONFIG_SUPPORT_EMMC_BOOT
	151	static int boot_part_access(struct mmc *mmc, u8 ack, u8 part_num, u8 access)
	152	{
	153	int err;
	154	err = mmc_boot_part_access(mmc, ack, part_num, access);
	155
	156	if ((err == 0) && (access != 0)) {
	157	printf("\t\t\t!!!Notice!!!\n");
	158
	159	printf("!You must close EMMC boot Partition");
	160	printf("after all images are written\n");
	161
	162	printf("!EMMC boot partition has continuity");
	163	printf("at image writing time.\n");
	164
	165	printf("!So, do not close the boot partition");
	166	printf("before all images are written.\n");
	167	return 0;
	168	} else if ((err == 0) && (access == 0))
	169	return 0;
	170	else if ((err != 0) && (access != 0)) {
	171	printf("EMMC boot partition-%d OPEN Failed.\n", part_num);
	172	return 1;
	173	} else {
	174	printf("EMMC boot partition-%d CLOSE Failed.\n", part_num);
	175	return 1;
	176	}
	177	}
	178	#endif
	179
088f1b19	180	static int do_mmcops(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
272cc70b	181	{
6be95ccf LW	182	enum mmc_state state;
6be95ccf LW	183
ea6ebe21	184	if (argc < 2)
4c12eeb8	185	return CMD_RET_USAGE;
272cc70b	186
ea6ebe21 LW	187	if (curr_device < 0) {
	188	if (get_mmc_num() > 0)
	189	curr_device = 0;
	190	else {
	191	puts("No MMC device available\n");
	192	return 1;
	193	}
	194	}
272cc70b	195
ea6ebe21	196	if (strcmp(argv[1], "rescan") == 0) {
9fd38372 SW	197	struct mmc *mmc;
	198
	199	if (argc != 2)
	200	return CMD_RET_USAGE;
e85649c7	201
9fd38372	202	mmc = find_mmc_device(curr_device);
ea6ebe21 LW	203	if (!mmc) {
	204	printf("no mmc device at slot %x\n", curr_device);
	205	return 1;
	206	}
	207
bc897b1d	208	mmc->has_init = 0;
272cc70b	209
8fd01b8f MJ	210	if (mmc_init(mmc))
	211	return 1;
	212	else
	213	return 0;
ea6ebe21 LW	214	} else if (strncmp(argv[1], "part", 4) == 0) {
ea6ebe21 LW	215	block_dev_desc_t *mmc_dev;
9fd38372	216	struct mmc *mmc;
ea6ebe21	217
9fd38372 SW	218	if (argc != 2)
	219	return CMD_RET_USAGE;
	220
	221	mmc = find_mmc_device(curr_device);
ea6ebe21 LW	222	if (!mmc) {
	223	printf("no mmc device at slot %x\n", curr_device);
	224	return 1;
	225	}
	226	mmc_init(mmc);
	227	mmc_dev = mmc_get_dev(curr_device);
	228	if (mmc_dev != NULL &&
	229	mmc_dev->type != DEV_TYPE_UNKNOWN) {
	230	print_part(mmc_dev);
272cc70b	231	return 0;
ea6ebe21	232	}
8f3b9642	233
ea6ebe21 LW	234	puts("get mmc type error!\n");
	235	return 1;
	236	} else if (strcmp(argv[1], "list") == 0) {
9fd38372 SW	237	if (argc != 2)
9fd38372 SW	238	return CMD_RET_USAGE;
ea6ebe21 LW	239	print_mmc_devices('\n');
	240	return 0;
	241	} else if (strcmp(argv[1], "dev") == 0) {
bc897b1d	242	int dev, part = -1;
ea6ebe21 LW	243	struct mmc *mmc;
	244
	245	if (argc == 2)
	246	dev = curr_device;
	247	else if (argc == 3)
	248	dev = simple_strtoul(argv[2], NULL, 10);
bc897b1d LW	249	else if (argc == 4) {
	250	dev = (int)simple_strtoul(argv[2], NULL, 10);
	251	part = (int)simple_strtoul(argv[3], NULL, 10);
	252	if (part > PART_ACCESS_MASK) {
	253	printf("#part_num shouldn't be larger"
	254	" than %d\n", PART_ACCESS_MASK);
	255	return 1;
	256	}
	257	} else
4c12eeb8	258	return CMD_RET_USAGE;
8f3b9642	259
ea6ebe21 LW	260	mmc = find_mmc_device(dev);
	261	if (!mmc) {
	262	printf("no mmc device at slot %x\n", dev);
8f3b9642	263	return 1;
272cc70b AF	264	}
272cc70b AF	265
bc897b1d LW	266	mmc_init(mmc);
	267	if (part != -1) {
	268	int ret;
	269	if (mmc->part_config == MMCPART_NOAVAILABLE) {
	270	printf("Card doesn't support part_switch\n");
	271	return 1;
	272	}
	273
	274	if (part != mmc->part_num) {
	275	ret = mmc_switch_part(dev, part);
	276	if (!ret)
	277	mmc->part_num = part;
	278
	279	printf("switch to partions #%d, %s\n",
	280	part, (!ret) ? "OK" : "ERROR");
	281	}
	282	}
ea6ebe21	283	curr_device = dev;
bc897b1d LW	284	if (mmc->part_config == MMCPART_NOAVAILABLE)
	285	printf("mmc%d is current device\n", curr_device);
	286	else
	287	printf("mmc%d(part %d) is current device\n",
	288	curr_device, mmc->part_num);
272cc70b	289
ea6ebe21	290	return 0;
2a91c913 A	291	#ifdef CONFIG_SUPPORT_EMMC_BOOT
	292	} else if ((strcmp(argv[1], "open") == 0) \|\|
	293	(strcmp(argv[1], "close") == 0)) {
	294	int dev;
	295	struct mmc *mmc;
	296	u8 part_num, access = 0;
	297
	298	if (argc == 4) {
	299	dev = simple_strtoul(argv[2], NULL, 10);
	300	part_num = simple_strtoul(argv[3], NULL, 10);
	301	} else {
	302	return CMD_RET_USAGE;
	303	}
	304
	305	mmc = find_mmc_device(dev);
	306	if (!mmc) {
	307	printf("no mmc device at slot %x\n", dev);
	308	return 1;
	309	}
272cc70b	310
2a91c913 A	311	if (IS_SD(mmc)) {
	312	printf("SD device cannot be opened/closed\n");
	313	return 1;
	314	}
	315
	316	if ((part_num <= 0) \|\| (part_num > MMC_NUM_BOOT_PARTITION)) {
	317	printf("Invalid boot partition number:\n");
	318	printf("Boot partition number cannot be <= 0\n");
	319	printf("EMMC44 supports only 2 boot partitions\n");
	320	return 1;
	321	}
	322
	323	if (strcmp(argv[1], "open") == 0)
	324	access = part_num; /* enable R/W access to boot part*/
	325	else
	326	access = 0; /* No access to boot partition */
	327
	328	/* acknowledge to be sent during boot operation */
	329	return boot_part_access(mmc, 1, part_num, access);
	330
	331	} else if (strcmp(argv[1], "bootpart") == 0) {
	332	int dev;
	333	dev = simple_strtoul(argv[2], NULL, 10);
	334
	335	u32 bootsize = simple_strtoul(argv[3], NULL, 10);
	336	u32 rpmbsize = simple_strtoul(argv[4], NULL, 10);
	337	struct mmc *mmc = find_mmc_device(dev);
	338	if (!mmc) {
	339	printf("no mmc device at slot %x\n", dev);
	340	return 1;
	341	}
	342
	343	if (IS_SD(mmc)) {
	344	printf("It is not a EMMC device\n");
	345	return 1;
	346	}
	347
	348	if (0 == mmc_boot_partition_size_change(mmc,
	349	bootsize, rpmbsize)) {
	350	printf("EMMC boot partition Size %d MB\n", bootsize);
	351	printf("EMMC RPMB partition Size %d MB\n", rpmbsize);
	352	return 0;
	353	} else {
	354	printf("EMMC boot partition Size change Failed.\n");
	355	return 1;
	356	}
	357	#endif /* CONFIG_SUPPORT_EMMC_BOOT */
	358	}
ed80c931 TH	359	state = MMC_INVALID;
ed80c931 TH	360	if (argc == 5 && strcmp(argv[1], "read") == 0)
6be95ccf	361	state = MMC_READ;
ed80c931	362	else if (argc == 5 && strcmp(argv[1], "write") == 0)
6be95ccf	363	state = MMC_WRITE;
ed80c931	364	else if (argc == 4 && strcmp(argv[1], "erase") == 0)
e6f99a56	365	state = MMC_ERASE;
272cc70b	366
6be95ccf LW	367	if (state != MMC_INVALID) {
6be95ccf LW	368	struct mmc *mmc = find_mmc_device(curr_device);
e6f99a56 LW	369	int idx = 2;
	370	u32 blk, cnt, n;
	371	void *addr;
	372
	373	if (state != MMC_ERASE) {
	374	addr = (void *)simple_strtoul(argv[idx], NULL, 16);
	375	++idx;
	376	} else
088f1b19	377	addr = NULL;
e6f99a56 LW	378	blk = simple_strtoul(argv[idx], NULL, 16);
e6f99a56 LW	379	cnt = simple_strtoul(argv[idx + 1], NULL, 16);
272cc70b	380
ea6ebe21 LW	381	if (!mmc) {
	382	printf("no mmc device at slot %x\n", curr_device);
	383	return 1;
	384	}
e85649c7	385
6be95ccf LW	386	printf("\nMMC %s: dev # %d, block # %d, count %d ... ",
6be95ccf LW	387	argv[1], curr_device, blk, cnt);
272cc70b	388
ea6ebe21	389	mmc_init(mmc);
272cc70b	390
d23d8d7e NK	391	if ((state == MMC_WRITE \|\| state == MMC_ERASE)) {
	392	if (mmc_getwp(mmc) == 1) {
	393	printf("Error: card is write protected!\n");
	394	return 1;
	395	}
	396	}
	397
6be95ccf LW	398	switch (state) {
	399	case MMC_READ:
	400	n = mmc->block_dev.block_read(curr_device, blk,
	401	cnt, addr);
	402	/* flush cache after read */
	403	flush_cache((ulong)addr, cnt * 512); /* FIXME */
	404	break;
	405	case MMC_WRITE:
	406	n = mmc->block_dev.block_write(curr_device, blk,
	407	cnt, addr);
	408	break;
e6f99a56 LW	409	case MMC_ERASE:
	410	n = mmc->block_dev.block_erase(curr_device, blk, cnt);
	411	break;
6be95ccf LW	412	default:
	413	BUG();
	414	}
272cc70b	415
6be95ccf LW	416	printf("%d blocks %s: %s\n",
6be95ccf LW	417	n, argv[1], (n == cnt) ? "OK" : "ERROR");
ea6ebe21	418	return (n == cnt) ? 0 : 1;
272cc70b	419	}
ea6ebe21	420
4c12eeb8	421	return CMD_RET_USAGE;
272cc70b AF	422	}
	423
	424	U_BOOT_CMD(
	425	mmc, 6, 1, do_mmcops,
852dbfdd	426	"MMC sub system",
ea6ebe21 LW	427	"read addr blk# cnt\n"
ea6ebe21 LW	428	"mmc write addr blk# cnt\n"
e6f99a56	429	"mmc erase blk# cnt\n"
ea6ebe21 LW	430	"mmc rescan\n"
ea6ebe21 LW	431	"mmc part - lists available partition on current mmc device\n"
bc897b1d	432	"mmc dev [dev] [part] - show or set current mmc device [partition]\n"
2a91c913 A	433	"mmc list - lists available devices\n"
	434	#ifdef CONFIG_SUPPORT_EMMC_BOOT
	435	"mmc open <dev> <boot_partition>\n"
	436	" - Enable boot_part for booting and enable R/W access of boot_part\n"
	437	"mmc close <dev> <boot_partition>\n"
	438	" - Enable boot_part for booting and disable access to boot_part\n"
	439	"mmc bootpart <device num> <boot part size MB> <RPMB part size MB>\n"
	440	" - change sizes of boot and RPMB partions of specified device\n"
3511b4e2	441	#endif
2a91c913 A	442	);
2a91c913 A	443	#endif /* !CONFIG_GENERIC_MMC */