diff options
Diffstat (limited to 'cmd')
| -rw-r--r-- | cmd/Kconfig | 10 | ||||
| -rw-r--r-- | cmd/mmc.c | 52 |
2 files changed, 54 insertions, 8 deletions
diff --git a/cmd/Kconfig b/cmd/Kconfig index ffef3cc76ca..3a857b3f6e2 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -2389,4 +2389,14 @@ config CMD_UBIFS help UBIFS is a file system for flash devices which works on top of UBI. +config MMC_SPEED_MODE_SET + bool "set speed mode using mmc command" + depends on CMD_MMC + default n + help + Enable setting speed mode using mmc rescan and mmc dev commands. + The speed mode is provided as the last argument in these commands + and is indicated using the index from enum bus_mode in + include/mmc.h. A speed mode can be set only if it has already + been enabled in the device tree. endmenu diff --git a/cmd/mmc.c b/cmd/mmc.c index c67ad762422..f1e30d0cf64 100644 --- a/cmd/mmc.c +++ b/cmd/mmc.c @@ -120,7 +120,9 @@ static void print_mmcinfo(struct mmc *mmc) } } } -static struct mmc *init_mmc_device(int dev, bool force_init) + +static struct mmc *__init_mmc_device(int dev, bool force_init, + enum bus_mode speed_mode) { struct mmc *mmc; mmc = find_mmc_device(dev); @@ -134,6 +136,10 @@ static struct mmc *init_mmc_device(int dev, bool force_init) if (force_init) mmc->has_init = 0; + + if (IS_ENABLED(CONFIG_MMC_SPEED_MODE_SET)) + mmc->user_speed_mode = speed_mode; + if (mmc_init(mmc)) return NULL; @@ -145,6 +151,11 @@ static struct mmc *init_mmc_device(int dev, bool force_init) return mmc; } +static struct mmc *init_mmc_device(int dev, bool force_init) +{ + return __init_mmc_device(dev, force_init, MMC_MODES_END); +} + static int do_mmcinfo(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { @@ -482,8 +493,17 @@ static int do_mmc_rescan(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { struct mmc *mmc; + enum bus_mode speed_mode = MMC_MODES_END; + + if (argc == 1) { + mmc = init_mmc_device(curr_device, true); + } else if (argc == 2) { + speed_mode = (int)dectoul(argv[1], NULL); + mmc = __init_mmc_device(curr_device, true, speed_mode); + } else { + return CMD_RET_USAGE; + } - mmc = init_mmc_device(curr_device, true); if (!mmc) return CMD_RET_FAILURE; @@ -515,11 +535,14 @@ static int do_mmc_dev(struct cmd_tbl *cmdtp, int flag, { int dev, part = 0, ret; struct mmc *mmc; + enum bus_mode speed_mode = MMC_MODES_END; if (argc == 1) { dev = curr_device; + mmc = init_mmc_device(dev, true); } else if (argc == 2) { - dev = dectoul(argv[1], NULL); + dev = (int)dectoul(argv[1], NULL); + mmc = init_mmc_device(dev, true); } else if (argc == 3) { dev = (int)dectoul(argv[1], NULL); part = (int)dectoul(argv[2], NULL); @@ -528,11 +551,21 @@ static int do_mmc_dev(struct cmd_tbl *cmdtp, int flag, PART_ACCESS_MASK); return CMD_RET_FAILURE; } + mmc = init_mmc_device(dev, true); + } else if (argc == 4) { + dev = (int)dectoul(argv[1], NULL); + part = (int)dectoul(argv[2], NULL); + if (part > PART_ACCESS_MASK) { + printf("#part_num shouldn't be larger than %d\n", + PART_ACCESS_MASK); + return CMD_RET_FAILURE; + } + speed_mode = (int)dectoul(argv[3], NULL); + mmc = __init_mmc_device(dev, true, speed_mode); } else { return CMD_RET_USAGE; } - mmc = init_mmc_device(dev, true); if (!mmc) return CMD_RET_FAILURE; @@ -983,9 +1016,9 @@ static struct cmd_tbl cmd_mmc[] = { #if CONFIG_IS_ENABLED(CMD_MMC_SWRITE) U_BOOT_CMD_MKENT(swrite, 3, 0, do_mmc_sparse_write, "", ""), #endif - U_BOOT_CMD_MKENT(rescan, 1, 1, do_mmc_rescan, "", ""), + U_BOOT_CMD_MKENT(rescan, 2, 1, do_mmc_rescan, "", ""), U_BOOT_CMD_MKENT(part, 1, 1, do_mmc_part, "", ""), - U_BOOT_CMD_MKENT(dev, 3, 0, do_mmc_dev, "", ""), + U_BOOT_CMD_MKENT(dev, 4, 0, do_mmc_dev, "", ""), U_BOOT_CMD_MKENT(list, 1, 1, do_mmc_list, "", ""), #if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING) U_BOOT_CMD_MKENT(hwpartition, 28, 0, do_mmc_hwpartition, "", ""), @@ -1042,9 +1075,12 @@ U_BOOT_CMD( "mmc swrite addr blk#\n" #endif "mmc erase blk# cnt\n" - "mmc rescan\n" + "mmc rescan [mode]\n" "mmc part - lists available partition on current mmc device\n" - "mmc dev [dev] [part] - show or set current mmc device [partition]\n" + "mmc dev [dev] [part] [mode] - show or set current mmc device [partition] and set mode\n" + " - the required speed mode is passed as the index from the following list\n" + " [MMC_LEGACY, MMC_HS, SD_HS, MMC_HS_52, MMC_DDR_52, UHS_SDR12, UHS_SDR25,\n" + " UHS_SDR50, UHS_DDR50, UHS_SDR104, MMC_HS_200, MMC_HS_400, MMC_HS_400_ES]\n" "mmc list - lists available devices\n" "mmc wp - power on write protect boot partitions\n" #if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING) |