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Diffstat (limited to 'common/cmd_mmc.c')
-rw-r--r--common/cmd_mmc.c132
1 files changed, 132 insertions, 0 deletions
diff --git a/common/cmd_mmc.c b/common/cmd_mmc.c
index 75a75e5..71f4971 100644
--- a/common/cmd_mmc.c
+++ b/common/cmd_mmc.c
@@ -25,6 +25,7 @@
#include <command.h>
#include <mmc.h>
+#ifndef CONFIG_GENERIC_MMC
int do_mmc (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
if (mmc_legacy_init (1) != 0) {
@@ -39,3 +40,134 @@ U_BOOT_CMD(
"init mmc card",
NULL
);
+#endif /* !CONFIG_GENERIC_MMC */
+
+static void print_mmcinfo(struct mmc *mmc)
+{
+ printf("Device: %s\n", mmc->name);
+ printf("Manufacturer ID: %x\n", mmc->cid[0] >> 24);
+ printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xffff);
+ printf("Name: %c%c%c%c%c \n", mmc->cid[0] & 0xff,
+ (mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff,
+ (mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff);
+
+ printf("Tran Speed: %d\n", mmc->tran_speed);
+ printf("Rd Block Len: %d\n", mmc->read_bl_len);
+
+ printf("%s version %d.%d\n", IS_SD(mmc) ? "SD" : "MMC",
+ (mmc->version >> 4) & 0xf, mmc->version & 0xf);
+
+ printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No");
+ printf("Capacity: %lld\n", mmc->capacity);
+
+ printf("Bus Width: %d-bit\n", mmc->bus_width);
+}
+
+int do_mmcinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ struct mmc *mmc;
+ int dev_num;
+
+ if (argc < 2)
+ dev_num = 0;
+ else
+ dev_num = simple_strtoul(argv[1], NULL, 0);
+
+ mmc = find_mmc_device(dev_num);
+
+ if (mmc) {
+ mmc_init(mmc);
+
+ print_mmcinfo(mmc);
+ }
+
+ return 0;
+}
+
+U_BOOT_CMD(mmcinfo, 2, 0, do_mmcinfo, "mmcinfo <dev num>-- display MMC info\n",
+ NULL);
+
+int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ int rc = 0;
+
+ switch (argc) {
+ case 3:
+ if (strcmp(argv[1], "rescan") == 0) {
+ int dev = simple_strtoul(argv[2], NULL, 10);
+ struct mmc *mmc = find_mmc_device(dev);
+
+ mmc_init(mmc);
+
+ return 0;
+ }
+
+ case 0:
+ case 1:
+ case 4:
+ printf("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+
+ case 2:
+ if (!strcmp(argv[1], "list")) {
+ print_mmc_devices('\n');
+ return 0;
+ }
+ return 1;
+ default: /* at least 5 args */
+ if (strcmp(argv[1], "read") == 0) {
+ int dev = simple_strtoul(argv[2], NULL, 10);
+ void *addr = (void *)simple_strtoul(argv[3], NULL, 16);
+ u32 cnt = simple_strtoul(argv[5], NULL, 16);
+ u32 n;
+ u32 blk = simple_strtoul(argv[4], NULL, 16);
+ struct mmc *mmc = find_mmc_device(dev);
+
+ printf("\nMMC read: dev # %d, block # %d, count %d ... ",
+ dev, blk, cnt);
+
+ mmc_init(mmc);
+
+ n = mmc->block_dev.block_read(dev, blk, cnt, addr);
+
+ /* flush cache after read */
+ flush_cache((ulong)addr, cnt * 512); //FIXME
+
+ printf("%d blocks read: %s\n",
+ n, (n==cnt) ? "OK" : "ERROR");
+ return (n == cnt) ? 0 : 1;
+ } else if (strcmp(argv[1], "write") == 0) {
+ int dev = simple_strtoul(argv[2], NULL, 10);
+ void *addr = (void *)simple_strtoul(argv[3], NULL, 16);
+ u32 cnt = simple_strtoul(argv[5], NULL, 16);
+ u32 n;
+ struct mmc *mmc = find_mmc_device(dev);
+
+ int blk = simple_strtoul(argv[4], NULL, 16);
+
+ printf("\nMMC write: dev # %d, block # %d, count %d ... ",
+ dev, blk, cnt);
+
+ mmc_init(mmc);
+
+ n = mmc->block_dev.block_write(dev, blk, cnt, addr);
+
+ 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;
+ }
+
+ return rc;
+ }
+}
+
+U_BOOT_CMD(
+ mmc, 6, 1, do_mmcops,
+ "mmc - MMC sub system\n",
+ "mmc 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");