diff options
Diffstat (limited to 'common/cmd_mmc.c')
| -rw-r--r-- | common/cmd_mmc.c | 67 | 
1 files changed, 35 insertions, 32 deletions
| diff --git a/common/cmd_mmc.c b/common/cmd_mmc.c index 176646d46..a6458037e 100644 --- a/common/cmd_mmc.c +++ b/common/cmd_mmc.c @@ -87,6 +87,11 @@ U_BOOT_CMD(  );  #else /* !CONFIG_GENERIC_MMC */ +enum mmc_state { +	MMC_INVALID, +	MMC_READ, +	MMC_WRITE, +};  static void print_mmcinfo(struct mmc *mmc)  {  	printf("Device: %s\n", mmc->name); @@ -144,6 +149,8 @@ U_BOOT_CMD(  int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])  { +	enum mmc_state state; +  	if (argc < 2)  		return cmd_usage(cmdtp); @@ -239,53 +246,49 @@ int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])  				curr_device, mmc->part_num);  		return 0; -	} else if (strcmp(argv[1], "read") == 0) { -		void *addr = (void *)simple_strtoul(argv[2], NULL, 16); -		u32 cnt = simple_strtoul(argv[4], NULL, 16); -		u32 n; -		u32 blk = simple_strtoul(argv[3], NULL, 16); -		struct mmc *mmc = find_mmc_device(curr_device); - -		if (!mmc) { -			printf("no mmc device at slot %x\n", curr_device); -			return 1; -		} - -		printf("\nMMC read: dev # %d, block # %d, count %d ... ", -				curr_device, blk, cnt); - -		mmc_init(mmc); - -		n = mmc->block_dev.block_read(curr_device, blk, cnt, addr); +	} -		/* flush cache after read */ -		flush_cache((ulong)addr, cnt * 512); /* FIXME */ +	if (strcmp(argv[1], "read") == 0) +		state = MMC_READ; +	else if (strcmp(argv[1], "write") == 0) +		state = MMC_WRITE; +	else +		state = MMC_INVALID; -		printf("%d blocks read: %s\n", -				n, (n==cnt) ? "OK" : "ERROR"); -		return (n == cnt) ? 0 : 1; -	} else if (strcmp(argv[1], "write") == 0) { +	if (state != MMC_INVALID) { +		struct mmc *mmc = find_mmc_device(curr_device);  		void *addr = (void *)simple_strtoul(argv[2], NULL, 16); +		u32 blk = simple_strtoul(argv[3], NULL, 16);  		u32 cnt = simple_strtoul(argv[4], NULL, 16);  		u32 n; -		struct mmc *mmc = find_mmc_device(curr_device); - -		int blk = simple_strtoul(argv[3], NULL, 16);  		if (!mmc) {  			printf("no mmc device at slot %x\n", curr_device);  			return 1;  		} -		printf("\nMMC write: dev # %d, block # %d, count %d ... ", -				curr_device, blk, cnt); +		printf("\nMMC %s: dev # %d, block # %d, count %d ... ", +				argv[1], curr_device, blk, cnt);  		mmc_init(mmc); -		n = mmc->block_dev.block_write(curr_device, blk, cnt, addr); +		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; +		default: +			BUG(); +		} -		printf("%d blocks written: %s\n", -				n, (n == cnt) ? "OK" : "ERROR"); +		printf("%d blocks %s: %s\n", +				n, argv[1], (n == cnt) ? "OK" : "ERROR");  		return (n == cnt) ? 0 : 1;  	} |