#include <mmc.h>
#ifndef CONFIG_GENERIC_MMC
-int curr_device = -1;
+static int curr_device = -1;
-int do_mmc (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+int do_mmc (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
int dev;
- if (argc < 2) {
- cmd_usage(cmdtp);
- return 1;
- }
+ if (argc < 2)
+ return cmd_usage(cmdtp);
if (strcmp(argv[1], "init") == 0) {
if (argc == 2) {
} else if (argc == 3) {
dev = (int)simple_strtoul(argv[2], NULL, 10);
} else {
- cmd_usage(cmdtp);
- return 1;
+ return cmd_usage(cmdtp);
}
if (mmc_legacy_init(dev) != 0) {
#endif
curr_device = dev;
} else {
- cmd_usage(cmdtp);
- return 1;
+ return cmd_usage(cmdtp);
}
printf("mmc%d is current device\n", curr_device);
} else {
- cmd_usage(cmdtp);
- return 1;
+ return cmd_usage(cmdtp);
}
return 0;
mmc, 3, 1, do_mmc,
"MMC sub-system",
"init [dev] - init MMC sub system\n"
- "mmc device [dev] - show or set current device\n"
+ "mmc device [dev] - show or set current device"
);
#else /* !CONFIG_GENERIC_MMC */
printf("Bus Width: %d-bit\n", mmc->bus_width);
}
-int do_mmcinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+int do_mmcinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
struct mmc *mmc;
int dev_num;
return 0;
}
-U_BOOT_CMD(mmcinfo, 2, 0, do_mmcinfo, "mmcinfo <dev num>-- display MMC info\n",
- NULL);
+U_BOOT_CMD(
+ mmcinfo, 2, 0, do_mmcinfo,
+ "display MMC info",
+ "<dev num>\n"
+ " - device number of the device to dislay info of\n"
+ ""
+);
-int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
int rc = 0;
int dev = simple_strtoul(argv[2], NULL, 10);
struct mmc *mmc = find_mmc_device(dev);
+ if (!mmc)
+ return 1;
+
mmc_init(mmc);
return 0;
+ } else if (strncmp(argv[1], "part", 4) == 0) {
+ int dev = simple_strtoul(argv[2], NULL, 10);
+ block_dev_desc_t *mmc_dev;
+ struct mmc *mmc = find_mmc_device(dev);
+
+ if (!mmc) {
+ puts("no mmc devices available\n");
+ return 1;
+ }
+ mmc_init(mmc);
+ mmc_dev = mmc_get_dev(dev);
+ if (mmc_dev != NULL &&
+ mmc_dev->type != DEV_TYPE_UNKNOWN) {
+ print_part(mmc_dev);
+ return 0;
+ }
+
+ puts("get mmc type error!\n");
+ return 1;
}
case 0:
case 1:
case 4:
- printf("Usage:\n%s\n", cmdtp->usage);
- return 1;
+ return cmd_usage(cmdtp);
case 2:
if (!strcmp(argv[1], "list")) {
u32 blk = simple_strtoul(argv[4], NULL, 16);
struct mmc *mmc = find_mmc_device(dev);
+ if (!mmc)
+ return 1;
+
printf("\nMMC read: dev # %d, block # %d, count %d ... ",
dev, blk, cnt);
int blk = simple_strtoul(argv[4], NULL, 16);
+ if (!mmc)
+ return 1;
+
printf("\nMMC write: dev # %d, block # %d, count %d ... ",
dev, blk, cnt);
printf("%d blocks written: %s\n",
n, (n == cnt) ? "OK" : "ERROR");
return (n == cnt) ? 0 : 1;
- } else {
- printf("Usage:\n%s\n", cmdtp->usage);
- rc = 1;
- }
+ } else
+ rc = cmd_usage(cmdtp);
return rc;
}
U_BOOT_CMD(
mmc, 6, 1, do_mmcops,
"MMC sub system",
- "mmc read <device num> addr blk# cnt\n"
+ "read <device num> addr blk# cnt\n"
"mmc write <device num> addr blk# cnt\n"
"mmc rescan <device num>\n"
- "mmc list - lists available devices\n");
+ "mmc part <device num> - lists available partition on mmc\n"
+ "mmc list - lists available devices");
#endif