diff options
Diffstat (limited to 'common/cmd_mmc.c')
| -rw-r--r-- | common/cmd_mmc.c | 132 |
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"); |