int dev;
if (argc < 2)
- return cmd_usage(cmdtp);
+ return CMD_RET_USAGE;
if (strcmp(argv[1], "init") == 0) {
if (argc == 2) {
} else if (argc == 3) {
dev = (int)simple_strtoul(argv[2], NULL, 10);
} else {
- return cmd_usage(cmdtp);
+ return CMD_RET_USAGE;
}
if (mmc_legacy_init(dev) != 0) {
#endif
curr_device = dev;
} else {
- return cmd_usage(cmdtp);
+ return CMD_RET_USAGE;
}
printf("mmc%d is current device\n", curr_device);
} else {
- return cmd_usage(cmdtp);
+ return CMD_RET_USAGE;
}
return 0;
);
#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("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",
- " - device number of the device to dislay info of\n"
- ""
+ "- 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;
+
if (argc < 2)
- return cmd_usage(cmdtp);
+ return CMD_RET_USAGE;
if (curr_device < 0) {
if (get_mmc_num() > 0)
}
if (strcmp(argv[1], "rescan") == 0) {
- struct mmc *mmc = find_mmc_device(curr_device);
+ 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->has_init = 0;
- return 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 = find_mmc_device(curr_device);
+ 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;
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;
+ 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
- return cmd_usage(cmdtp);
+ 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) {
return 1;
}
- curr_device = dev;
- printf("mmc%d is current device\n", curr_device);
+ mmc_init(mmc);
+ if (part != -1) {
+ int ret;
+ if (mmc->part_config == MMCPART_NOAVAILABLE) {
+ printf("Card doesn't support part_switch\n");
+ return 1;
+ }
- 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 (part != mmc->part_num) {
+ ret = mmc_switch_part(dev, part);
+ if (!ret)
+ mmc->part_num = part;
- if (!mmc) {
- printf("no mmc device at slot %x\n", curr_device);
- return 1;
+ 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);
- 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);
+ return 0;
+ }
- /* flush cache after read */
- flush_cache((ulong)addr, cnt * 512); /* FIXME */
+ 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;
- printf("%d blocks read: %s\n",
- n, (n==cnt) ? "OK" : "ERROR");
- return (n == cnt) ? 0 : 1;
- } else if (strcmp(argv[1], "write") == 0) {
- void *addr = (void *)simple_strtoul(argv[2], NULL, 16);
- u32 cnt = simple_strtoul(argv[4], NULL, 16);
- u32 n;
+ if (state != MMC_INVALID) {
struct mmc *mmc = find_mmc_device(curr_device);
-
- int blk = simple_strtoul(argv[3], NULL, 16);
+ 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 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);
+ 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 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;
}
- return cmd_usage(cmdtp);
+ return CMD_RET_USAGE;
}
U_BOOT_CMD(
"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] - show or set current mmc device\n"
+ "mmc dev [dev] [part] - show or set current mmc device [partition]\n"
"mmc list - lists available devices");
#endif
projects / u-boot / blobdiff