printf("Bus Width: %d-bit\n", mmc->bus_width);
}
-int do_mmcinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_mmcinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
struct mmc *mmc;
U_BOOT_CMD(
mmcinfo, 1, 0, do_mmcinfo,
"display MMC info",
- "- dislay info of the current MMC device"
+ "- display info of the current MMC device"
);
-int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
enum mmc_state state;
return 0;
}
- if (strcmp(argv[1], "read") == 0)
+ state = MMC_INVALID;
+ if (argc == 5 && strcmp(argv[1], "read") == 0)
state = MMC_READ;
- else if (strcmp(argv[1], "write") == 0)
+ else if (argc == 5 && strcmp(argv[1], "write") == 0)
state = MMC_WRITE;
- else if (strcmp(argv[1], "erase") == 0)
+ else if (argc == 4 && strcmp(argv[1], "erase") == 0)
state = MMC_ERASE;
- else
- state = MMC_INVALID;
if (state != MMC_INVALID) {
struct mmc *mmc = find_mmc_device(curr_device);
addr = (void *)simple_strtoul(argv[idx], NULL, 16);
++idx;
} else
- addr = 0;
+ addr = NULL;
blk = simple_strtoul(argv[idx], NULL, 16);
cnt = simple_strtoul(argv[idx + 1], NULL, 16);
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,