#include <mmc.h>
#ifndef CONFIG_GENERIC_MMC
+static int curr_device = -1;
+
int do_mmc (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
- if (mmc_legacy_init (1) != 0) {
- printf ("No MMC card found\n");
+ int dev;
+
+ if (argc < 2) {
+ cmd_usage(cmdtp);
return 1;
}
+
+ if (strcmp(argv[1], "init") == 0) {
+ if (argc == 2) {
+ if (curr_device < 0)
+ dev = 1;
+ else
+ dev = curr_device;
+ } else if (argc == 3) {
+ dev = (int)simple_strtoul(argv[2], NULL, 10);
+ } else {
+ cmd_usage(cmdtp);
+ return 1;
+ }
+
+ if (mmc_legacy_init(dev) != 0) {
+ puts("No MMC card found\n");
+ return 1;
+ }
+
+ curr_device = dev;
+ printf("mmc%d is available\n", curr_device);
+ } else if (strcmp(argv[1], "device") == 0) {
+ if (argc == 2) {
+ if (curr_device < 0) {
+ puts("No MMC device available\n");
+ return 1;
+ }
+ } else if (argc == 3) {
+ dev = (int)simple_strtoul(argv[2], NULL, 10);
+
+#ifdef CONFIG_SYS_MMC_SET_DEV
+ if (mmc_set_dev(dev) != 0)
+ return 1;
+#endif
+ curr_device = dev;
+ } else {
+ cmd_usage(cmdtp);
+ return 1;
+ }
+
+ printf("mmc%d is current device\n", curr_device);
+ } else {
+ cmd_usage(cmdtp);
+ return 1;
+ }
+
return 0;
}
U_BOOT_CMD(
- mmcinit, 1, 0, do_mmc,
- "init mmc card",
- NULL
+ mmc, 3, 1, do_mmc,
+ "MMC sub-system",
+ "init [dev] - init MMC sub system\n"
+ "mmc device [dev] - show or set current device"
);
#else /* !CONFIG_GENERIC_MMC */
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,
+ "mmcinfo <dev num>-- display MMC info\n",
+ ""
+);
int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
int dev = simple_strtoul(argv[2], NULL, 10);
struct mmc *mmc = find_mmc_device(dev);
+ if (!mmc)
+ return 1;
+
mmc_init(mmc);
return 0;
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);
U_BOOT_CMD(
mmc, 6, 1, do_mmcops,
- "mmc - MMC sub system\n",
- "mmc read <device num> addr blk# cnt\n"
+ "MMC sub system",
+ "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 list - lists available devices");
#endif