ICFG_DRD_P0CTL
writel(DRD_DEV_VAL, driver->icfgdrd_regs + ICFG_DRD_P0CTL);
writel(DRD_HOST_VAL, driver->icfgdrd_regs + ICFG_DRD_P0CTL);
val = readl(driver->icfgdrd_regs + ICFG_DRD_P0CTL);
writel(val, driver->icfgdrd_regs + ICFG_DRD_P0CTL);
val = readl(driver->icfgdrd_regs + ICFG_DRD_P0CTL);
writel(val, driver->icfgdrd_regs + ICFG_DRD_P0CTL);