sdmmc_io_write_1
sdmmc_io_write_1(sf, addr, data);
sdmmc_io_write_1(sf0, SD_IO_CCCR_FN_ENABLE, rv);
sdmmc_io_write_1(sf0, SD_IO_CCCR_FN_ENABLE, rv);
sdmmc_io_write_1(sf0, SD_IO_CCCR_INT_ENABLE, imask);
sdmmc_io_write_1(sf0, SD_IO_CCCR_INT_ENABLE, imask);
sdmmc_io_write_1(sf0, SD_IO_FBR_BASE(sf->number) +
sdmmc_io_write_1(sf0, SD_IO_FBR_BASE(sf->number) +
sdmmc_io_write_1(sf, SD_IO_CCCR_BUS_WIDTH, rv);
sdmmc_io_write_1(sf, SD_IO_CCCR_SPEED, rv);
void sdmmc_io_write_1(struct sdmmc_function *, int, u_int8_t);