diff options
Diffstat (limited to 'common/cmd_mmc.c')
| -rw-r--r-- | common/cmd_mmc.c | 108 | 
1 files changed, 50 insertions, 58 deletions
diff --git a/common/cmd_mmc.c b/common/cmd_mmc.c index da5fef9db..2d5192706 100644 --- a/common/cmd_mmc.c +++ b/common/cmd_mmc.c @@ -131,36 +131,6 @@ U_BOOT_CMD(  	"- 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; @@ -195,7 +165,7 @@ static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])  			return 1;  		else  			return 0; -	} else if (strncmp(argv[1], "part", 4) == 0) { +	} else if (strcmp(argv[1], "part") == 0) {  		block_dev_desc_t *mmc_dev;  		struct mmc *mmc; @@ -273,15 +243,16 @@ static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])  		return 0;  #ifdef CONFIG_SUPPORT_EMMC_BOOT -	} else if ((strcmp(argv[1], "open") == 0) || -			(strcmp(argv[1], "close") == 0)) { +	} else if (strcmp(argv[1], "partconf") == 0) {  		int dev;  		struct mmc *mmc; -		u8 part_num, access = 0; +		u8 ack, part_num, access; -		if (argc == 4) { +		if (argc == 6) {  			dev = simple_strtoul(argv[2], NULL, 10); -			part_num = simple_strtoul(argv[3], NULL, 10); +			ack = simple_strtoul(argv[3], NULL, 10); +			part_num = simple_strtoul(argv[4], NULL, 10); +			access = simple_strtoul(argv[5], NULL, 10);  		} else {  			return CMD_RET_USAGE;  		} @@ -293,32 +264,53 @@ static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])  		}  		if (IS_SD(mmc)) { -			printf("SD device cannot be opened/closed\n"); +			puts("PARTITION_CONFIG only exists on eMMC\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"); +		/* acknowledge to be sent during boot operation */ +		return mmc_set_part_conf(mmc, ack, part_num, access); +	} else if (strcmp(argv[1], "bootbus") == 0) { +		int dev; +		struct mmc *mmc; +		u8 width, reset, mode; + +		if (argc == 6) { +			dev = simple_strtoul(argv[2], NULL, 10); +			width = simple_strtoul(argv[3], NULL, 10); +			reset = simple_strtoul(argv[4], NULL, 10); +			mode = simple_strtoul(argv[5], 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 (strcmp(argv[1], "open") == 0) -			access = part_num; /* enable R/W access to boot part*/ -		else -			access = 0; /* No access to boot partition */ +		if (IS_SD(mmc)) { +			puts("BOOT_BUS_WIDTH only exists on eMMC\n"); +			return 1; +		}  		/* acknowledge to be sent during boot operation */ -		return boot_part_access(mmc, 1, part_num, access); - -	} else if (strcmp(argv[1], "bootpart") == 0) { +		return mmc_set_boot_bus_width(mmc, width, reset, mode); +	} else if (strcmp(argv[1], "bootpart-resize") == 0) {  		int dev; -		dev = simple_strtoul(argv[2], NULL, 10); +		struct mmc *mmc; +		u32 bootsize, rpmbsize; -		u32 bootsize = simple_strtoul(argv[3], NULL, 10); -		u32 rpmbsize = simple_strtoul(argv[4], NULL, 10); -		struct mmc *mmc = find_mmc_device(dev); +		if (argc == 5) { +			dev = simple_strtoul(argv[2], NULL, 10); +			bootsize = simple_strtoul(argv[3], NULL, 10); +			rpmbsize = simple_strtoul(argv[4], 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; @@ -438,12 +430,12 @@ U_BOOT_CMD(  	"mmc dev [dev] [part] - show or set current mmc device [partition]\n"  	"mmc list - lists available devices\n"  #ifdef CONFIG_SUPPORT_EMMC_BOOT -	"mmc open <dev> <boot_partition>\n" -	" - Enable boot_part for booting and enable R/W access of boot_part\n" -	"mmc close <dev> <boot_partition>\n" -	" - Enable boot_part for booting and disable access to boot_part\n" -	"mmc bootpart <device num> <boot part size MB> <RPMB part size MB>\n" -	" - change sizes of boot and RPMB partitions of specified device\n" +	"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"  #endif  	"mmc setdsr - set DSR register value\n"  	); 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