diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/cmd_mmc.c | 38 |
1 files changed, 34 insertions, 4 deletions
diff --git a/common/cmd_mmc.c b/common/cmd_mmc.c index e266d4f..176646d 100644 --- a/common/cmd_mmc.c +++ b/common/cmd_mmc.c @@ -164,6 +164,7 @@ int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) return 1; } + mmc->has_init = 0; mmc_init(mmc); return 0; @@ -189,14 +190,22 @@ int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 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 + 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_usage(cmdtp); mmc = find_mmc_device(dev); @@ -205,8 +214,29 @@ int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) return 1; } + mmc_init(mmc); + if (part != -1) { + int ret; + if (mmc->part_config == MMCPART_NOAVAILABLE) { + printf("Card doesn't support part_switch\n"); + return 1; + } + + if (part != mmc->part_num) { + ret = mmc_switch_part(dev, part); + if (!ret) + mmc->part_num = part; + + printf("switch to partions #%d, %s\n", + part, (!ret) ? "OK" : "ERROR"); + } + } curr_device = dev; - printf("mmc%d is current device\n", curr_device); + 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); return 0; } else if (strcmp(argv[1], "read") == 0) { @@ -269,6 +299,6 @@ U_BOOT_CMD( "mmc write addr 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 |