REG_I2C_CONTROL
reg_write32(REG_I2C_CONTROL, device->i2c_reg);
reg_read32(REG_I2C_CONTROL); // PCI bridge flush
reg_write32(REG_I2C_CONTROL, device->i2c_reg);
reg_read32(REG_I2C_CONTROL); // PCI bridge flush
return (reg_read32(REG_I2C_CONTROL) & I2C_SCL) >> 1; // I2C_SCL is 0x02
return reg_read32(REG_I2C_CONTROL) & I2C_SDA; // I2C_SDA is 0x01
device->i2c_reg = reg_read32(REG_I2C_CONTROL);
reg_write32(REG_I2C_CONTROL, device->i2c_reg);
reg_read32(REG_I2C_CONTROL); // PCI bridge flush