SDMMC_CMD_START
WRITE4(sc, SDMMC_CMD, cmdr | SDMMC_CMD_START);
SDMMC_CMD_UPD_CLK_ONLY | SDMMC_CMD_START));
} while (READ4(sc, SDMMC_CMD) & SDMMC_CMD_START);
SDMMC_CMD_UPD_CLK_ONLY | SDMMC_CMD_START));
} while (READ4(sc, SDMMC_CMD) & SDMMC_CMD_START);
SDMMC_CMD_UPD_CLK_ONLY | SDMMC_CMD_START);
} while (READ4(sc, SDMMC_CMD) & SDMMC_CMD_START);