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

Signed-off-by: Gabor Juhos <[email protected]>

SVN-Revision: 33817

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)
 {

target/linux/ar71xx/files/arch/mips/ath79/dev-eth.h

@@ -44,5 +44,6 @@ extern struct platform_device ath79_mdio1_device;
 void ath79_register_mdio(unsigned int id, u32 phy_mask);
 
 void ath79_setup_ar933x_phy4_switch(bool mac, bool mdio);
+void ath79_setup_ar934x_eth_cfg(u32 mask);
 
 #endif /* _ATH79_DEV_ETH_H */