IC_CFG2CLR
__raw_writel(1 << bit, base + IC_CFG2CLR);
__raw_writel(1 << bit, base + IC_CFG2CLR);
__raw_writel(1 << bit, base + IC_CFG2CLR);
__raw_writel(1 << bit, base + IC_CFG2CLR);
__raw_writel(0xffffffff, base + IC_CFG2CLR);