diff options
Diffstat (limited to 'cmd/mmc.c')
| -rw-r--r-- | cmd/mmc.c | 1336 | 
1 files changed, 1336 insertions, 0 deletions
| diff --git a/cmd/mmc.c b/cmd/mmc.c new file mode 100644 index 00000000000..2d5430a5307 --- /dev/null +++ b/cmd/mmc.c @@ -0,0 +1,1336 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2003 + * Kyle Harris, kharris@nexus-tech.net + */ + +#include <common.h> +#include <blk.h> +#include <command.h> +#include <console.h> +#include <display_options.h> +#include <memalign.h> +#include <mmc.h> +#include <part.h> +#include <sparse_format.h> +#include <image-sparse.h> + +static int curr_device = -1; + +static void print_mmcinfo(struct mmc *mmc) +{ +	int i; + +	printf("Device: %s\n", mmc->cfg->name); +	printf("Manufacturer ID: %x\n", mmc->cid[0] >> 24); +	if (IS_SD(mmc)) { +		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); +	} else { +		printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xff); +		printf("Name: %c%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, +		(mmc->cid[2] >> 24)); +	} + +	printf("Bus Speed: %d\n", mmc->clock); +#if CONFIG_IS_ENABLED(MMC_VERBOSE) +	printf("Mode: %s\n", mmc_mode_name(mmc->selected_mode)); +	mmc_dump_capabilities("card capabilities", mmc->card_caps); +	mmc_dump_capabilities("host capabilities", mmc->host_caps); +#endif +	printf("Rd Block Len: %d\n", mmc->read_bl_len); + +	printf("%s version %d.%d", IS_SD(mmc) ? "SD" : "MMC", +			EXTRACT_SDMMC_MAJOR_VERSION(mmc->version), +			EXTRACT_SDMMC_MINOR_VERSION(mmc->version)); +	if (EXTRACT_SDMMC_CHANGE_VERSION(mmc->version) != 0) +		printf(".%d", EXTRACT_SDMMC_CHANGE_VERSION(mmc->version)); +	printf("\n"); + +	printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No"); +	puts("Capacity: "); +	print_size(mmc->capacity, "\n"); + +	printf("Bus Width: %d-bit%s\n", mmc->bus_width, +			mmc->ddr_mode ? " DDR" : ""); + +#if CONFIG_IS_ENABLED(MMC_WRITE) +	puts("Erase Group Size: "); +	print_size(((u64)mmc->erase_grp_size) << 9, "\n"); +#endif + +	if (!IS_SD(mmc) && mmc->version >= MMC_VERSION_4_41) { +		bool has_enh = (mmc->part_support & ENHNCD_SUPPORT) != 0; +		bool usr_enh = has_enh && (mmc->part_attr & EXT_CSD_ENH_USR); +		ALLOC_CACHE_ALIGN_BUFFER(u8, ext_csd, MMC_MAX_BLOCK_LEN); +		u8 wp; +		int ret; + +#if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING) +		puts("HC WP Group Size: "); +		print_size(((u64)mmc->hc_wp_grp_size) << 9, "\n"); +#endif + +		puts("User Capacity: "); +		print_size(mmc->capacity_user, usr_enh ? " ENH" : ""); +		if (mmc->wr_rel_set & EXT_CSD_WR_DATA_REL_USR) +			puts(" WRREL\n"); +		else +			putc('\n'); +		if (usr_enh) { +			puts("User Enhanced Start: "); +			print_size(mmc->enh_user_start, "\n"); +			puts("User Enhanced Size: "); +			print_size(mmc->enh_user_size, "\n"); +		} +		puts("Boot Capacity: "); +		print_size(mmc->capacity_boot, has_enh ? " ENH\n" : "\n"); +		puts("RPMB Capacity: "); +		print_size(mmc->capacity_rpmb, has_enh ? " ENH\n" : "\n"); + +		for (i = 0; i < ARRAY_SIZE(mmc->capacity_gp); i++) { +			bool is_enh = has_enh && +				(mmc->part_attr & EXT_CSD_ENH_GP(i)); +			if (mmc->capacity_gp[i]) { +				printf("GP%i Capacity: ", i+1); +				print_size(mmc->capacity_gp[i], +					   is_enh ? " ENH" : ""); +				if (mmc->wr_rel_set & EXT_CSD_WR_DATA_REL_GP(i)) +					puts(" WRREL\n"); +				else +					putc('\n'); +			} +		} +		ret = mmc_send_ext_csd(mmc, ext_csd); +		if (ret) +			return; +		wp = ext_csd[EXT_CSD_BOOT_WP_STATUS]; +		for (i = 0; i < 2; ++i) { +			printf("Boot area %d is ", i); +			switch (wp & 3) { +			case 0: +				printf("not write protected\n"); +				break; +			case 1: +				printf("power on protected\n"); +				break; +			case 2: +				printf("permanently protected\n"); +				break; +			default: +				printf("in reserved protection state\n"); +				break; +			} +			wp >>= 2; +		} +	} +} + +static struct mmc *__init_mmc_device(int dev, bool force_init, +				     enum bus_mode speed_mode) +{ +	struct mmc *mmc; +	mmc = find_mmc_device(dev); +	if (!mmc) { +		printf("no mmc device at slot %x\n", dev); +		return NULL; +	} + +	if (!mmc_getcd(mmc)) +		force_init = true; + +	if (force_init) +		mmc->has_init = 0; + +	if (IS_ENABLED(CONFIG_MMC_SPEED_MODE_SET)) +		mmc->user_speed_mode = speed_mode; + +	if (mmc_init(mmc)) +		return NULL; + +#ifdef CONFIG_BLOCK_CACHE +	struct blk_desc *bd = mmc_get_blk_desc(mmc); +	blkcache_invalidate(bd->uclass_id, bd->devnum); +#endif + +	return mmc; +} + +static struct mmc *init_mmc_device(int dev, bool force_init) +{ +	return __init_mmc_device(dev, force_init, MMC_MODES_END); +} + +static int do_mmcinfo(struct cmd_tbl *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 CMD_RET_FAILURE; +		} +	} + +	mmc = init_mmc_device(curr_device, false); +	if (!mmc) +		return CMD_RET_FAILURE; + +	print_mmcinfo(mmc); +	return CMD_RET_SUCCESS; +} + +#if CONFIG_IS_ENABLED(CMD_MMC_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(struct cmd_tbl *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 *)hextoul(argv[1], NULL); +	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(struct cmd_tbl *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 *)hextoul(argv[1], NULL); +	blk = hextoul(argv[2], NULL); +	cnt = hextoul(argv[3], NULL); + +	if (argc == 5) +		key_addr = (void *)hextoul(argv[4], NULL); + +	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(struct cmd_tbl *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 *)hextoul(argv[1], NULL); +	blk = hextoul(argv[2], NULL); +	cnt = hextoul(argv[3], NULL); +	key_addr = (void *)hextoul(argv[4], NULL); + +	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(struct cmd_tbl *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 struct cmd_tbl 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(struct cmd_tbl *cmdtp, int flag, +		      int argc, char *const argv[]) +{ +	struct cmd_tbl *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 && !cmd_is_repeatable(cp)) +		return CMD_RET_SUCCESS; + +	mmc = init_mmc_device(curr_device, false); +	if (!mmc) +		return CMD_RET_FAILURE; + +	if (!(mmc->version & MMC_VERSION_MMC)) { +		printf("It is not an 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 */ +#ifndef CONFIG_BLK +	original_part = mmc->block_dev.hwpart; +#else +	original_part = mmc_get_blk_desc(mmc)->hwpart; +#endif +	if (blk_select_hwpart_devnum(UCLASS_MMC, curr_device, MMC_PART_RPMB) != +	    0) +		return CMD_RET_FAILURE; +	ret = cp->cmd(cmdtp, flag, argc, argv); + +	/* Return to original partition */ +	if (blk_select_hwpart_devnum(UCLASS_MMC, curr_device, original_part) != +	    0) +		return CMD_RET_FAILURE; +	return ret; +} +#endif + +static int do_mmc_read(struct cmd_tbl *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 *)hextoul(argv[1], NULL); +	blk = hextoul(argv[2], NULL); +	cnt = hextoul(argv[3], NULL); + +	mmc = init_mmc_device(curr_device, false); +	if (!mmc) +		return CMD_RET_FAILURE; + +	printf("\nMMC read: dev # %d, block # %d, count %d ... ", +	       curr_device, blk, cnt); + +	n = blk_dread(mmc_get_blk_desc(mmc), blk, cnt, addr); +	printf("%d blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR"); + +	return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE; +} + +#if CONFIG_IS_ENABLED(CMD_MMC_SWRITE) +static lbaint_t mmc_sparse_write(struct sparse_storage *info, lbaint_t blk, +				 lbaint_t blkcnt, const void *buffer) +{ +	struct blk_desc *dev_desc = info->priv; + +	return blk_dwrite(dev_desc, blk, blkcnt, buffer); +} + +static lbaint_t mmc_sparse_reserve(struct sparse_storage *info, +				   lbaint_t blk, lbaint_t blkcnt) +{ +	return blkcnt; +} + +static int do_mmc_sparse_write(struct cmd_tbl *cmdtp, int flag, +			       int argc, char *const argv[]) +{ +	struct sparse_storage sparse; +	struct blk_desc *dev_desc; +	struct mmc *mmc; +	char dest[11]; +	void *addr; +	u32 blk; + +	if (argc != 3) +		return CMD_RET_USAGE; + +	addr = (void *)hextoul(argv[1], NULL); +	blk = hextoul(argv[2], NULL); + +	if (!is_sparse_image(addr)) { +		printf("Not a sparse image\n"); +		return CMD_RET_FAILURE; +	} + +	mmc = init_mmc_device(curr_device, false); +	if (!mmc) +		return CMD_RET_FAILURE; + +	printf("\nMMC Sparse write: dev # %d, block # %d ... ", +	       curr_device, blk); + +	if (mmc_getwp(mmc) == 1) { +		printf("Error: card is write protected!\n"); +		return CMD_RET_FAILURE; +	} + +	dev_desc = mmc_get_blk_desc(mmc); +	sparse.priv = dev_desc; +	sparse.blksz = 512; +	sparse.start = blk; +	sparse.size = dev_desc->lba - blk; +	sparse.write = mmc_sparse_write; +	sparse.reserve = mmc_sparse_reserve; +	sparse.mssg = NULL; +	sprintf(dest, "0x" LBAF, sparse.start * sparse.blksz); + +	if (write_sparse_image(&sparse, dest, addr, NULL)) +		return CMD_RET_FAILURE; +	else +		return CMD_RET_SUCCESS; +} +#endif + +#if CONFIG_IS_ENABLED(MMC_WRITE) +static int do_mmc_write(struct cmd_tbl *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 *)hextoul(argv[1], NULL); +	blk = hextoul(argv[2], NULL); +	cnt = hextoul(argv[3], NULL); + +	mmc = init_mmc_device(curr_device, false); +	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 = blk_dwrite(mmc_get_blk_desc(mmc), 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(struct cmd_tbl *cmdtp, int flag, +			int argc, char *const argv[]) +{ +	struct mmc *mmc; +	u32 blk, cnt, n; + +	if (argc != 3) +		return CMD_RET_USAGE; + +	blk = hextoul(argv[1], NULL); +	cnt = hextoul(argv[2], NULL); + +	mmc = init_mmc_device(curr_device, false); +	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 = blk_derase(mmc_get_blk_desc(mmc), blk, cnt); +	printf("%d blocks erased: %s\n", n, (n == cnt) ? "OK" : "ERROR"); + +	return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE; +} +#endif + +static int do_mmc_rescan(struct cmd_tbl *cmdtp, int flag, +			 int argc, char *const argv[]) +{ +	struct mmc *mmc; + +	if (argc == 1) { +		mmc = init_mmc_device(curr_device, true); +	} else if (argc == 2) { +		enum bus_mode speed_mode; + +		speed_mode = (int)dectoul(argv[1], NULL); +		mmc = __init_mmc_device(curr_device, true, speed_mode); +	} else { +		return CMD_RET_USAGE; +	} + +	if (!mmc) +		return CMD_RET_FAILURE; + +	return CMD_RET_SUCCESS; +} + +static int do_mmc_part(struct cmd_tbl *cmdtp, int flag, +		       int argc, char *const argv[]) +{ +	struct blk_desc *mmc_dev; +	struct mmc *mmc; + +	mmc = init_mmc_device(curr_device, false); +	if (!mmc) +		return CMD_RET_FAILURE; + +	mmc_dev = blk_get_devnum_by_uclass_id(UCLASS_MMC, curr_device); +	if (mmc_dev != NULL && mmc_dev->type != DEV_TYPE_UNKNOWN) { +		part_print(mmc_dev); +		return CMD_RET_SUCCESS; +	} + +	puts("get mmc type error!\n"); +	return CMD_RET_FAILURE; +} + +static int do_mmc_dev(struct cmd_tbl *cmdtp, int flag, +		      int argc, char *const argv[]) +{ +	int dev, part = 0, ret; +	struct mmc *mmc; + +	if (argc == 1) { +		dev = curr_device; +		mmc = init_mmc_device(dev, true); +	} else if (argc == 2) { +		dev = (int)dectoul(argv[1], NULL); +		mmc = init_mmc_device(dev, true); +	} else if (argc == 3) { +		dev = (int)dectoul(argv[1], NULL); +		part = (int)dectoul(argv[2], NULL); +		if (part > PART_ACCESS_MASK) { +			printf("#part_num shouldn't be larger than %d\n", +			       PART_ACCESS_MASK); +			return CMD_RET_FAILURE; +		} +		mmc = init_mmc_device(dev, true); +	} else if (argc == 4) { +		enum bus_mode speed_mode; + +		dev = (int)dectoul(argv[1], NULL); +		part = (int)dectoul(argv[2], NULL); +		if (part > PART_ACCESS_MASK) { +			printf("#part_num shouldn't be larger than %d\n", +			       PART_ACCESS_MASK); +			return CMD_RET_FAILURE; +		} +		speed_mode = (int)dectoul(argv[3], NULL); +		mmc = __init_mmc_device(dev, true, speed_mode); +	} else { +		return CMD_RET_USAGE; +	} + +	if (!mmc) +		return CMD_RET_FAILURE; + +	ret = blk_select_hwpart_devnum(UCLASS_MMC, 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_get_blk_desc(mmc)->hwpart); + +	return CMD_RET_SUCCESS; +} + +static int do_mmc_list(struct cmd_tbl *cmdtp, int flag, +		       int argc, char *const argv[]) +{ +	print_mmc_devices('\n'); +	return CMD_RET_SUCCESS; +} + +#if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING) +static void parse_hwpart_user_enh_size(struct mmc *mmc, +				       struct mmc_hwpart_conf *pconf, +				       char *argv) +{ +	int i, ret; + +	pconf->user.enh_size = 0; + +	if (!strcmp(argv, "-"))	{ /* The rest of eMMC */ +		ALLOC_CACHE_ALIGN_BUFFER(u8, ext_csd, MMC_MAX_BLOCK_LEN); +		ret = mmc_send_ext_csd(mmc, ext_csd); +		if (ret) +			return; +		/* The enh_size value is in 512B block units */ +		pconf->user.enh_size = +			((ext_csd[EXT_CSD_MAX_ENH_SIZE_MULT + 2] << 16) + +			(ext_csd[EXT_CSD_MAX_ENH_SIZE_MULT + 1] << 8) + +			ext_csd[EXT_CSD_MAX_ENH_SIZE_MULT]) * 1024 * +			ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE] * +			ext_csd[EXT_CSD_HC_WP_GRP_SIZE]; +		pconf->user.enh_size -= pconf->user.enh_start; +		for (i = 0; i < ARRAY_SIZE(mmc->capacity_gp); i++) { +			/* +			 * If the eMMC already has GP partitions set, +			 * subtract their size from the maximum USER +			 * partition size. +			 * +			 * Else, if the command was used to configure new +			 * GP partitions, subtract their size from maximum +			 * USER partition size. +			 */ +			if (mmc->capacity_gp[i]) { +				/* The capacity_gp is in 1B units */ +				pconf->user.enh_size -= mmc->capacity_gp[i] >> 9; +			} else if (pconf->gp_part[i].size) { +				/* The gp_part[].size is in 512B units */ +				pconf->user.enh_size -= pconf->gp_part[i].size; +			} +		} +	} else { +		pconf->user.enh_size = dectoul(argv, NULL); +	} +} + +static int parse_hwpart_user(struct mmc *mmc, struct mmc_hwpart_conf *pconf, +			     int argc, char *const argv[]) +{ +	int i = 0; + +	memset(&pconf->user, 0, sizeof(pconf->user)); + +	while (i < argc) { +		if (!strcmp(argv[i], "enh")) { +			if (i + 2 >= argc) +				return -1; +			pconf->user.enh_start = +				dectoul(argv[i + 1], NULL); +			parse_hwpart_user_enh_size(mmc, pconf, argv[i + 2]); +			i += 3; +		} else if (!strcmp(argv[i], "wrrel")) { +			if (i + 1 >= argc) +				return -1; +			pconf->user.wr_rel_change = 1; +			if (!strcmp(argv[i+1], "on")) +				pconf->user.wr_rel_set = 1; +			else if (!strcmp(argv[i+1], "off")) +				pconf->user.wr_rel_set = 0; +			else +				return -1; +			i += 2; +		} else { +			break; +		} +	} +	return i; +} + +static int parse_hwpart_gp(struct mmc_hwpart_conf *pconf, int pidx, +			   int argc, char *const argv[]) +{ +	int i; + +	memset(&pconf->gp_part[pidx], 0, sizeof(pconf->gp_part[pidx])); + +	if (1 >= argc) +		return -1; +	pconf->gp_part[pidx].size = dectoul(argv[0], NULL); + +	i = 1; +	while (i < argc) { +		if (!strcmp(argv[i], "enh")) { +			pconf->gp_part[pidx].enhanced = 1; +			i += 1; +		} else if (!strcmp(argv[i], "wrrel")) { +			if (i + 1 >= argc) +				return -1; +			pconf->gp_part[pidx].wr_rel_change = 1; +			if (!strcmp(argv[i+1], "on")) +				pconf->gp_part[pidx].wr_rel_set = 1; +			else if (!strcmp(argv[i+1], "off")) +				pconf->gp_part[pidx].wr_rel_set = 0; +			else +				return -1; +			i += 2; +		} else { +			break; +		} +	} +	return i; +} + +static int do_mmc_hwpartition(struct cmd_tbl *cmdtp, int flag, +			      int argc, char *const argv[]) +{ +	struct mmc *mmc; +	struct mmc_hwpart_conf pconf = { }; +	enum mmc_hwpart_conf_mode mode = MMC_HWPART_CONF_CHECK; +	int i, r, pidx; + +	mmc = init_mmc_device(curr_device, false); +	if (!mmc) +		return CMD_RET_FAILURE; + +	if (IS_SD(mmc)) { +		puts("SD doesn't support partitioning\n"); +		return CMD_RET_FAILURE; +	} + +	if (argc < 1) +		return CMD_RET_USAGE; +	i = 1; +	while (i < argc) { +		if (!strcmp(argv[i], "user")) { +			i++; +			r = parse_hwpart_user(mmc, &pconf, argc - i, &argv[i]); +			if (r < 0) +				return CMD_RET_USAGE; +			i += r; +		} else if (!strncmp(argv[i], "gp", 2) && +			   strlen(argv[i]) == 3 && +			   argv[i][2] >= '1' && argv[i][2] <= '4') { +			pidx = argv[i][2] - '1'; +			i++; +			r = parse_hwpart_gp(&pconf, pidx, argc-i, &argv[i]); +			if (r < 0) +				return CMD_RET_USAGE; +			i += r; +		} else if (!strcmp(argv[i], "check")) { +			mode = MMC_HWPART_CONF_CHECK; +			i++; +		} else if (!strcmp(argv[i], "set")) { +			mode = MMC_HWPART_CONF_SET; +			i++; +		} else if (!strcmp(argv[i], "complete")) { +			mode = MMC_HWPART_CONF_COMPLETE; +			i++; +		} else { +			return CMD_RET_USAGE; +		} +	} + +	puts("Partition configuration:\n"); +	if (pconf.user.enh_size) { +		puts("\tUser Enhanced Start: "); +		print_size(((u64)pconf.user.enh_start) << 9, "\n"); +		puts("\tUser Enhanced Size: "); +		print_size(((u64)pconf.user.enh_size) << 9, "\n"); +	} else { +		puts("\tNo enhanced user data area\n"); +	} +	if (pconf.user.wr_rel_change) +		printf("\tUser partition write reliability: %s\n", +		       pconf.user.wr_rel_set ? "on" : "off"); +	for (pidx = 0; pidx < 4; pidx++) { +		if (pconf.gp_part[pidx].size) { +			printf("\tGP%i Capacity: ", pidx+1); +			print_size(((u64)pconf.gp_part[pidx].size) << 9, +				   pconf.gp_part[pidx].enhanced ? +				   " ENH\n" : "\n"); +		} else { +			printf("\tNo GP%i partition\n", pidx+1); +		} +		if (pconf.gp_part[pidx].wr_rel_change) +			printf("\tGP%i write reliability: %s\n", pidx+1, +			       pconf.gp_part[pidx].wr_rel_set ? "on" : "off"); +	} + +	if (!mmc_hwpart_config(mmc, &pconf, mode)) { +		if (mode == MMC_HWPART_CONF_COMPLETE) +			puts("Partitioning successful, " +			     "power-cycle to make effective\n"); +		return CMD_RET_SUCCESS; +	} else { +		puts("Failed!\n"); +		return CMD_RET_FAILURE; +	} +} +#endif + +#ifdef CONFIG_SUPPORT_EMMC_BOOT +static int do_mmc_bootbus(struct cmd_tbl *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 = dectoul(argv[1], NULL); +	width = dectoul(argv[2], NULL); +	reset = dectoul(argv[3], NULL); +	mode = dectoul(argv[4], NULL); + +	mmc = init_mmc_device(dev, false); +	if (!mmc) +		return CMD_RET_FAILURE; + +	if (IS_SD(mmc)) { +		puts("BOOT_BUS_WIDTH only exists on eMMC\n"); +		return CMD_RET_FAILURE; +	} + +	/* +	 * BOOT_BUS_CONDITIONS[177] +	 * BOOT_MODE[4:3] +	 * 0x0 : Use SDR + Backward compatible timing in boot operation +	 * 0x1 : Use SDR + High Speed Timing in boot operation mode +	 * 0x2 : Use DDR in boot operation +	 * RESET_BOOT_BUS_CONDITIONS +	 * 0x0 : Reset bus width to x1, SDR, Backward compatible +	 * 0x1 : Retain BOOT_BUS_WIDTH and BOOT_MODE +	 * BOOT_BUS_WIDTH +	 * 0x0 : x1(sdr) or x4 (ddr) buswidth +	 * 0x1 : x4(sdr/ddr) buswith +	 * 0x2 : x8(sdr/ddr) buswith +	 * +	 */ +	if (width >= 0x3) { +		printf("boot_bus_width %d is invalid\n", width); +		return CMD_RET_FAILURE; +	} + +	if (reset >= 0x2) { +		printf("reset_boot_bus_width %d is invalid\n", reset); +		return CMD_RET_FAILURE; +	} + +	if (mode >= 0x3) { +		printf("reset_boot_bus_width %d is invalid\n", mode); +		return CMD_RET_FAILURE; +	} + +	/* acknowledge to be sent during boot operation */ +	if (mmc_set_boot_bus_width(mmc, width, reset, mode)) { +		puts("BOOT_BUS_WIDTH is failed to change.\n"); +		return CMD_RET_FAILURE; +	} + +	printf("Set to BOOT_BUS_WIDTH = 0x%x, RESET = 0x%x, BOOT_MODE = 0x%x\n", +			width, reset, mode); +	return CMD_RET_SUCCESS; +} + +static int do_mmc_boot_resize(struct cmd_tbl *cmdtp, int flag, +			      int argc, char *const argv[]) +{ +	int dev; +	struct mmc *mmc; +	u32 bootsize, rpmbsize; + +	if (argc != 4) +		return CMD_RET_USAGE; +	dev = dectoul(argv[1], NULL); +	bootsize = dectoul(argv[2], NULL); +	rpmbsize = dectoul(argv[3], NULL); + +	mmc = init_mmc_device(dev, false); +	if (!mmc) +		return CMD_RET_FAILURE; + +	if (IS_SD(mmc)) { +		printf("It is not an 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 mmc_partconf_print(struct mmc *mmc, const char *varname) +{ +	u8 ack, access, part; + +	if (mmc->part_config == MMCPART_NOAVAILABLE) { +		printf("No part_config info for ver. 0x%x\n", mmc->version); +		return CMD_RET_FAILURE; +	} + +	access = EXT_CSD_EXTRACT_PARTITION_ACCESS(mmc->part_config); +	ack = EXT_CSD_EXTRACT_BOOT_ACK(mmc->part_config); +	part = EXT_CSD_EXTRACT_BOOT_PART(mmc->part_config); + +	if(varname) +		env_set_hex(varname, part); + +	printf("EXT_CSD[179], PARTITION_CONFIG:\n" +		"BOOT_ACK: 0x%x\n" +		"BOOT_PARTITION_ENABLE: 0x%x\n" +		"PARTITION_ACCESS: 0x%x\n", ack, part, access); + +	return CMD_RET_SUCCESS; +} + +static int do_mmc_partconf(struct cmd_tbl *cmdtp, int flag, +			   int argc, char *const argv[]) +{ +	int ret, dev; +	struct mmc *mmc; +	u8 ack, part_num, access; + +	if (argc != 2 && argc != 3 && argc != 5) +		return CMD_RET_USAGE; + +	dev = dectoul(argv[1], NULL); + +	mmc = init_mmc_device(dev, false); +	if (!mmc) +		return CMD_RET_FAILURE; + +	if (IS_SD(mmc)) { +		puts("PARTITION_CONFIG only exists on eMMC\n"); +		return CMD_RET_FAILURE; +	} + +	if (argc == 2 || argc == 3) +		return mmc_partconf_print(mmc, cmd_arg2(argc, argv)); + +	ack = dectoul(argv[2], NULL); +	part_num = dectoul(argv[3], NULL); +	access = dectoul(argv[4], NULL); + +	/* acknowledge to be sent during boot operation */ +	ret = mmc_set_part_conf(mmc, ack, part_num, access); +	if (ret != 0) +		return CMD_RET_FAILURE; + +	return CMD_RET_SUCCESS; +} + +static int do_mmc_rst_func(struct cmd_tbl *cmdtp, int flag, +			   int argc, char *const argv[]) +{ +	int ret, 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 = dectoul(argv[1], NULL); +	enable = dectoul(argv[2], NULL); + +	if (enable > 2) { +		puts("Invalid RST_n_ENABLE value\n"); +		return CMD_RET_USAGE; +	} + +	mmc = init_mmc_device(dev, false); +	if (!mmc) +		return CMD_RET_FAILURE; + +	if (IS_SD(mmc)) { +		puts("RST_n_FUNCTION only exists on eMMC\n"); +		return CMD_RET_FAILURE; +	} + +	ret = mmc_set_rst_n_function(mmc, enable); +	if (ret != 0) +		return CMD_RET_FAILURE; + +	return CMD_RET_SUCCESS; +} +#endif +static int do_mmc_setdsr(struct cmd_tbl *cmdtp, int flag, +			 int argc, char *const argv[]) +{ +	struct mmc *mmc; +	u32 val; +	int ret; + +	if (argc != 2) +		return CMD_RET_USAGE; +	val = hextoul(argv[1], NULL); + +	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; +} + +#ifdef CONFIG_CMD_BKOPS_ENABLE +static int mmc_bkops_common(char *device, bool autobkops, bool enable) +{ +	struct mmc *mmc; +	int dev; + +	dev = dectoul(device, NULL); + +	mmc = init_mmc_device(dev, false); +	if (!mmc) +		return CMD_RET_FAILURE; + +	if (IS_SD(mmc)) { +		puts("BKOPS_EN only exists on eMMC\n"); +		return CMD_RET_FAILURE; +	} + +	return mmc_set_bkops_enable(mmc, autobkops, enable); +} + +static int do_mmc_bkops(struct cmd_tbl *cmdtp, int flag, +			int argc, char * const argv[]) +{ +	bool autobkops, enable; + +	if (argc != 4) +		return CMD_RET_USAGE; + +	if (!strcmp(argv[2], "manual")) +		autobkops = false; +	else if (!strcmp(argv[2], "auto")) +		autobkops = true; +	else +		return CMD_RET_FAILURE; + +	if (!strcmp(argv[3], "disable")) +		enable = false; +	else if (!strcmp(argv[3], "enable")) +		enable = true; +	else +		return CMD_RET_FAILURE; + +	return mmc_bkops_common(argv[1], autobkops, enable); +} + +static int do_mmc_bkops_enable(struct cmd_tbl *cmdtp, int flag, +			       int argc, char * const argv[]) +{ +	if (argc != 2) +		return CMD_RET_USAGE; + +	return mmc_bkops_common(argv[1], false, true); +} +#endif + +static int do_mmc_boot_wp(struct cmd_tbl *cmdtp, int flag, +			  int argc, char * const argv[]) +{ +	int err; +	struct mmc *mmc; +	int part; + +	mmc = init_mmc_device(curr_device, false); +	if (!mmc) +		return CMD_RET_FAILURE; +	if (IS_SD(mmc)) { +		printf("It is not an eMMC device\n"); +		return CMD_RET_FAILURE; +	} + +	if (argc == 2) { +		part = dectoul(argv[1], NULL); +		err = mmc_boot_wp_single_partition(mmc, part); +	} else { +		err = mmc_boot_wp(mmc); +	} + +	if (err) +		return CMD_RET_FAILURE; +	printf("boot areas protected\n"); +	return CMD_RET_SUCCESS; +} + +#if CONFIG_IS_ENABLED(CMD_MMC_REG) +static int do_mmc_reg(struct cmd_tbl *cmdtp, int flag, +		      int argc, char *const argv[]) +{ +	ALLOC_CACHE_ALIGN_BUFFER(u8, ext_csd, MMC_MAX_BLOCK_LEN); +	struct mmc *mmc; +	int i, ret; +	u32 off; + +	if (argc < 3 || argc > 5) +		return CMD_RET_USAGE; + +	mmc = find_mmc_device(curr_device); +	if (!mmc) { +		printf("no mmc device at slot %x\n", curr_device); +		return CMD_RET_FAILURE; +	} + +	if (IS_SD(mmc)) { +		printf("SD registers are not supported\n"); +		return CMD_RET_FAILURE; +	} + +	off = simple_strtoul(argv[3], NULL, 10); +	if (!strcmp(argv[2], "cid")) { +		if (off > 3) +			return CMD_RET_USAGE; +		printf("CID[%i]: 0x%08x\n", off, mmc->cid[off]); +		if (argv[4]) +			env_set_hex(argv[4], mmc->cid[off]); +		return CMD_RET_SUCCESS; +	} +	if (!strcmp(argv[2], "csd")) { +		if (off > 3) +			return CMD_RET_USAGE; +		printf("CSD[%i]: 0x%08x\n", off, mmc->csd[off]); +		if (argv[4]) +			env_set_hex(argv[4], mmc->csd[off]); +		return CMD_RET_SUCCESS; +	} +	if (!strcmp(argv[2], "dsr")) { +		printf("DSR: 0x%08x\n", mmc->dsr); +		if (argv[4]) +			env_set_hex(argv[4], mmc->dsr); +		return CMD_RET_SUCCESS; +	} +	if (!strcmp(argv[2], "ocr")) { +		printf("OCR: 0x%08x\n", mmc->ocr); +		if (argv[4]) +			env_set_hex(argv[4], mmc->ocr); +		return CMD_RET_SUCCESS; +	} +	if (!strcmp(argv[2], "rca")) { +		printf("RCA: 0x%08x\n", mmc->rca); +		if (argv[4]) +			env_set_hex(argv[4], mmc->rca); +		return CMD_RET_SUCCESS; +	} +	if (!strcmp(argv[2], "extcsd") && +	    mmc->version >= MMC_VERSION_4_41) { +		ret = mmc_send_ext_csd(mmc, ext_csd); +		if (ret) +			return CMD_RET_FAILURE; +		if (!strcmp(argv[3], "all")) { +			/* Dump the entire register */ +			printf("EXT_CSD:"); +			for (i = 0; i < MMC_MAX_BLOCK_LEN; i++) { +				if (!(i % 10)) +					printf("\n%03i: ", i); +				printf(" %02x", ext_csd[i]); +			} +			printf("\n"); +			return CMD_RET_SUCCESS; +		} +		off = simple_strtoul(argv[3], NULL, 10); +		if (off > 512) +			return CMD_RET_USAGE; +		printf("EXT_CSD[%i]: 0x%02x\n", off, ext_csd[off]); +		if (argv[4]) +			env_set_hex(argv[4], ext_csd[off]); +		return CMD_RET_SUCCESS; +	} + +	return CMD_RET_FAILURE; +} +#endif + +static struct cmd_tbl 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(wp, 2, 0, do_mmc_boot_wp, "", ""), +#if CONFIG_IS_ENABLED(MMC_WRITE) +	U_BOOT_CMD_MKENT(write, 4, 0, do_mmc_write, "", ""), +	U_BOOT_CMD_MKENT(erase, 3, 0, do_mmc_erase, "", ""), +#endif +#if CONFIG_IS_ENABLED(CMD_MMC_SWRITE) +	U_BOOT_CMD_MKENT(swrite, 3, 0, do_mmc_sparse_write, "", ""), +#endif +	U_BOOT_CMD_MKENT(rescan, 2, 1, do_mmc_rescan, "", ""), +	U_BOOT_CMD_MKENT(part, 1, 1, do_mmc_part, "", ""), +	U_BOOT_CMD_MKENT(dev, 4, 0, do_mmc_dev, "", ""), +	U_BOOT_CMD_MKENT(list, 1, 1, do_mmc_list, "", ""), +#if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING) +	U_BOOT_CMD_MKENT(hwpartition, 28, 0, do_mmc_hwpartition, "", ""), +#endif +#ifdef CONFIG_SUPPORT_EMMC_BOOT +	U_BOOT_CMD_MKENT(bootbus, 5, 0, do_mmc_bootbus, "", ""), +	U_BOOT_CMD_MKENT(bootpart-resize, 4, 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 +#if CONFIG_IS_ENABLED(CMD_MMC_RPMB) +	U_BOOT_CMD_MKENT(rpmb, CONFIG_SYS_MAXARGS, 1, do_mmcrpmb, "", ""), +#endif +	U_BOOT_CMD_MKENT(setdsr, 2, 0, do_mmc_setdsr, "", ""), +#ifdef CONFIG_CMD_BKOPS_ENABLE +	U_BOOT_CMD_MKENT(bkops-enable, 2, 0, do_mmc_bkops_enable, "", ""), +	U_BOOT_CMD_MKENT(bkops, 4, 0, do_mmc_bkops, "", ""), +#endif +#if CONFIG_IS_ENABLED(CMD_MMC_REG) +	U_BOOT_CMD_MKENT(reg, 5, 0, do_mmc_reg, "", ""), +#endif +}; + +static int do_mmcops(struct cmd_tbl *cmdtp, int flag, int argc, +		     char *const argv[]) +{ +	struct cmd_tbl *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 && !cmd_is_repeatable(cp)) +		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, 29, 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" +#if CONFIG_IS_ENABLED(CMD_MMC_SWRITE) +	"mmc swrite addr blk#\n" +#endif +	"mmc erase blk# cnt\n" +	"mmc rescan [mode]\n" +	"mmc part - lists available partition on current mmc device\n" +	"mmc dev [dev] [part] [mode] - show or set current mmc device [partition] and set mode\n" +	"  - the required speed mode is passed as the index from the following list\n" +	"    [MMC_LEGACY, MMC_HS, SD_HS, MMC_HS_52, MMC_DDR_52, UHS_SDR12, UHS_SDR25,\n" +	"    UHS_SDR50, UHS_DDR50, UHS_SDR104, MMC_HS_200, MMC_HS_400, MMC_HS_400_ES]\n" +	"mmc list - lists available devices\n" +	"mmc wp [PART] - power on write protect boot partitions\n" +	"  arguments:\n" +	"   PART - [0|1]\n" +	"       : 0 - first boot partition, 1 - second boot partition\n" +	"         if not assigned, write protect all boot partitions\n" +#if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING) +	"mmc hwpartition <USER> <GP> <MODE> - does hardware partitioning\n" +	"  arguments (sizes in 512-byte blocks):\n" +	"   USER - <user> <enh> <start> <cnt> <wrrel> <{on|off}>\n" +	"	: sets user data area attributes\n" +	"   GP - <{gp1|gp2|gp3|gp4}> <cnt> <enh> <wrrel> <{on|off}>\n" +	"	: general purpose partition\n" +	"   MODE - <{check|set|complete}>\n" +	"	: mode, complete set partitioning completed\n" +	"  WARNING: Partitioning is a write-once setting once it is set to complete.\n" +	"  Power cycling is required to initialize partitions after set to complete.\n" +#endif +#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> [[varname] | [<boot_ack> <boot_partition> <partition_access>]]\n" +	" - Show or change the bits of the PARTITION_CONFIG field of the specified device\n" +	"   If showing the bits, optionally store the boot_partition field into varname\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 +#if CONFIG_IS_ENABLED(CMD_MMC_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" +#ifdef CONFIG_CMD_BKOPS_ENABLE +	"mmc bkops-enable <dev> - enable background operations handshake on device\n" +	"   WARNING: This is a write-once setting.\n" +	"mmc bkops <dev> [auto|manual] [enable|disable]\n" +	" - configure background operations handshake on device\n" +#endif +#if CONFIG_IS_ENABLED(CMD_MMC_REG) +	"mmc reg read <reg> <offset> [env] - read card register <reg> offset <offset>\n" +	"                                    (optionally into [env] variable)\n" +	" - reg: cid/csd/dsr/ocr/rca/extcsd\n" +	" - offset: for cid/csd [0..3], for extcsd [0..511,all]\n" +#endif +	); + +/* 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" +); | 
