ar71xx: add a helper function for setting up PHY4 swapping on ar933x

[15.05/openwrt.git] / target / linux / ar71xx / files / arch / mips / ath79 / dev-eth.c

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c b/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
index 1e6b8b0..45817e1 100644 (file)
--- a/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
@@ -199,17 +199,25 @@ void __init ath79_register_mdio(unsigned int id, u32 phy_mask)
 
        switch (ath79_soc) {
        case ATH79_SOC_AR7240:
+               mdio_data->is_ar7240 = 1;
+               /* fall through */
        case ATH79_SOC_AR7241:
+               mdio_data->builtin_switch = 1;
+               break;
+
        case ATH79_SOC_AR9330:
+               mdio_data->is_ar9330 = 1;
+               /* fall through */
        case ATH79_SOC_AR9331:
-               mdio_data->is_ar7240 = 1;
+               mdio_data->builtin_switch = 1;
                break;
 
        case ATH79_SOC_AR9341:
        case ATH79_SOC_AR9342:
        case ATH79_SOC_AR9344:
                if (id == 1)
-                       mdio_data->is_ar7240 = 1;
+                       mdio_data->builtin_switch = 1;
+               mdio_data->is_ar934x = 1;
                break;
 
        default:
@@ -626,6 +634,24 @@ static int __init ath79_setup_phy_if_mode(unsigned int id,
        return 0;
 }
 
+void __init ath79_setup_ar933x_phy4_switch(bool mac, bool mdio)
+{
+       void __iomem *base;
+       u32 t;
+
+       base = ioremap(AR933X_GMAC_BASE, AR933X_GMAC_SIZE);
+
+       t = __raw_readl(base + AR933X_GMAC_REG_ETH_CFG);
+       t &= ~(AR933X_ETH_CFG_SW_PHY_SWAP | AR933X_ETH_CFG_SW_PHY_ADDR_SWAP);
+       if (mac)
+               t |= AR933X_ETH_CFG_SW_PHY_SWAP;
+       if (mdio)
+               t |= AR933X_ETH_CFG_SW_PHY_ADDR_SWAP;
+       __raw_writel(t, base + AR933X_GMAC_REG_ETH_CFG);
+
+       iounmap(base);
+}
+
 static int ath79_eth_instance __initdata;
 void __init ath79_register_eth(unsigned int id)
 {