SXGBE_CORE_RX_CONFIG_REG
rx_config = readl(ioaddr + SXGBE_CORE_RX_CONFIG_REG);
writel(rx_config, ioaddr + SXGBE_CORE_RX_CONFIG_REG);
ctrl = readl(ioaddr + SXGBE_CORE_RX_CONFIG_REG);
writel(ctrl, ioaddr + SXGBE_CORE_RX_CONFIG_REG);
ctrl = readl(ioaddr + SXGBE_CORE_RX_CONFIG_REG);
writel(ctrl, ioaddr + SXGBE_CORE_RX_CONFIG_REG);
regval = readl(ioaddr + SXGBE_CORE_RX_CONFIG_REG);
writel(regval, ioaddr + SXGBE_CORE_RX_CONFIG_REG);