ar71xx: add a helper function for setting up ETH_CFG register on AR934x

[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 4487958..5a0b950 100644 (file)
--- a/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
@@ -691,6 +691,30 @@ void __init ath79_setup_ar933x_phy4_switch(bool mac, bool mdio)
        iounmap(base);
 }
 
+void __init ath79_setup_ar934x_eth_cfg(u32 mask)
+{
+       void __iomem *base;
+       u32 t;
+
+       base = ioremap(AR934X_GMAC_BASE, AR934X_GMAC_SIZE);
+
+       t = __raw_readl(base + AR934X_GMAC_REG_ETH_CFG);
+
+       t &= ~(AR934X_ETH_CFG_RGMII_GMAC0 |
+              AR934X_ETH_CFG_MII_GMAC0 |
+              AR934X_ETH_CFG_GMII_GMAC0 |
+              AR934X_ETH_CFG_SW_ONLY_MODE |
+              AR934X_ETH_CFG_SW_PHY_SWAP);
+
+       t |= mask;
+
+       __raw_writel(t, base + AR934X_GMAC_REG_ETH_CFG);
+       /* flush write */
+       __raw_readl(base + AR934X_GMAC_REG_ETH_CFG);
+
+       iounmap(base);
+}
+
 static int ath79_eth_instance __initdata;
 void __init ath79_register_eth(unsigned int id)
 {