imx1_mem
void __iomem *reg = imx1_mem(ipctl, pin_id) + reg_offset;
void __iomem *reg = imx1_mem(ipctl, pin_id) + reg_offset;
void __iomem *reg = imx1_mem(ipctl, pin_id) + reg_offset;
void __iomem *reg = imx1_mem(ipctl, pin_id) + reg_offset;