SXGBE_CORE_RX_CTL0_REG
reg_val = readl(ioaddr + SXGBE_CORE_RX_CTL0_REG);
writel(reg_val, ioaddr + SXGBE_CORE_RX_CTL0_REG);
reg_val = readl(ioaddr + SXGBE_CORE_RX_CTL0_REG);
writel(reg_val, ioaddr + SXGBE_CORE_RX_CTL0_REG);