winbond_sio_reg_read
val = winbond_sio_reg_read(base, reg);
val = winbond_sio_reg_read(base, reg);
return winbond_sio_reg_read(base, reg) & BIT(bit);
val = winbond_sio_reg_read(base, WB_SIO_REG_GPIO1_MF);
chip = winbond_sio_reg_read(base, WB_SIO_REG_CHIP_MSB) << 8;
chip |= winbond_sio_reg_read(base, WB_SIO_REG_CHIP_LSB);