HSET1
HSET1(sc, SDHC_HOST_CTL, SDHC_LED_ON);
HSET1(sc, GPIODIR, (1 << pin));
HSET1(sc, I2C_I2CR, I2C_I2CR_RSTA);
HSET1(sc, I2C_I2CR, I2C_I2CR_TXAK);
HSET1(sc, I2C_I2CR, I2C_I2CR_MSTA);
HSET1(sc, I2C_I2CR, I2C_I2CR_IIEN | I2C_I2CR_MTX | I2C_I2CR_TXAK);
HSET1(hp, SDHC_HOST_CTL, SDHC_LED_ON);
HSET1(hp, SDHC_HOST_CTL, SDHC_DMA_SELECT_ADMA64);
HSET1(hp, SDHC_HOST_CTL, SDHC_DMA_SELECT_ADMA32);
HSET1(hp, SDHC_HOST_CTL, SDHC_HIGH_SPEED);