Adding ethernet support

board-am335xevm.h

For adding ethernet support platform supported PHY values are added

File Name : "arch/arm/mach-omap2/include/mach/board-am335xevm.h"

+
+/* Define Ethernet Phy Types */
+#define MII_MODE_ENABLE         0x0
+#define RMII_MODE_ENABLE        0x5
+#define RGMII_MODE_ENABLE       0xA
+#define MAC_MII_SEL             0x650
+
+void am33xx_evmid_fillup(unsigned int evmid);

+void am33xx_cpsw_init_generic(unsigned int phy_type, unsigned int gigen);

gistfile1.txt

For adding ethernet support 
File Name: arch/arm/mach-omap2/board-am335xevm.c


+    mii1_init();
+    am33xx_cpsw_init_generic(MII_MODE_ENABLE,gigabit_enable);

+static void mii1_init(void)
+{
+        setup_pin_mux(mii1_pin_mux);
+        return;
+}
+

+/* Module pin mux for mii1 */
+static struct pinmux_config mii1_pin_mux[] = {
+        {"mii1_rxerr.mii1_rxerr", OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLDOWN},
+        {"mii1_txen.mii1_txen", OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT},
+        {"mii1_rxdv.mii1_rxdv", OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLDOWN},
+        {"mii1_txd3.mii1_txd3", OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT},
+        {"mii1_txd2.mii1_txd2", OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT},
+        {"mii1_txd1.mii1_txd1", OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT},
+        {"mii1_txd0.mii1_txd0", OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT},
+        {"mii1_txclk.mii1_txclk", OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLDOWN},
+        {"mii1_rxclk.mii1_rxclk", OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLDOWN},
+        {"mii1_rxd3.mii1_rxd3", OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLDOWN},
+        {"mii1_rxd2.mii1_rxd2", OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLDOWN},
+        {"mii1_rxd1.mii1_rxd1", OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLDOWN},
+        {"mii1_rxd0.mii1_rxd0", OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLDOWN},
+        {"mdio_data.mdio_data", OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLUP},
+        {"mdio_clk.mdio_clk", OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT_PULLUP},
+        {NULL, 0},
+};
+

+unsigned int gigabit_enable = 1;
+

gistfile2.txt

For adding ethernet support 
File Name : arch/arm/mach-omap2/devices.c

+/*
+	Taken from am33xx_cpsw_init, provided as a means to genrerize
+        the cpsw init from being TI board eeprom specific
+*/
+void am33xx_cpsw_init_generic(unsigned int phy_type, unsigned int gigen)
+{
+	struct omap_hwmod *oh;
+	struct platform_device *pdev;
+	u32 mac_lo, mac_hi;
+
+	mac_lo = omap_ctrl_readl(TI81XX_CONTROL_MAC_ID0_LO);
+	mac_hi = omap_ctrl_readl(TI81XX_CONTROL_MAC_ID0_HI);
+	am33xx_cpsw_slaves[0].mac_addr[0] = mac_hi & 0xFF;
+	am33xx_cpsw_slaves[0].mac_addr[1] = (mac_hi & 0xFF00) >> 8;
+	am33xx_cpsw_slaves[0].mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
+	am33xx_cpsw_slaves[0].mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
+	am33xx_cpsw_slaves[0].mac_addr[4] = mac_lo & 0xFF;
+	am33xx_cpsw_slaves[0].mac_addr[5] = (mac_lo & 0xFF00) >> 8;
+
+	mac_lo = omap_ctrl_readl(TI81XX_CONTROL_MAC_ID1_LO);
+	mac_hi = omap_ctrl_readl(TI81XX_CONTROL_MAC_ID1_HI);
+	am33xx_cpsw_slaves[1].mac_addr[0] = mac_hi & 0xFF;
+	am33xx_cpsw_slaves[1].mac_addr[1] = (mac_hi & 0xFF00) >> 8;
+	am33xx_cpsw_slaves[1].mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
+	am33xx_cpsw_slaves[1].mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
+	am33xx_cpsw_slaves[1].mac_addr[4] = mac_lo & 0xFF;
+	am33xx_cpsw_slaves[1].mac_addr[5] = (mac_lo & 0xFF00) >> 8;
+
+	__raw_writel(phy_type,
+			AM33XX_CTRL_REGADDR(MAC_MII_SEL));
+
+	memcpy(am33xx_cpsw_pdata.mac_addr,
+			am33xx_cpsw_slaves[0].mac_addr, ETH_ALEN);
+
+	oh = omap_hwmod_lookup("mdio");
+        if (!oh) {
+                pr_err("could not find cpgmac0 hwmod data\n");
+                return -ENODEV;
+        }
+        pdev = omap_device_build("davinci_mdio", 0, oh, &am33xx_cpsw_mdiopdata,
+                        sizeof(am33xx_cpsw_mdiopdata), NULL, 0, 0);
+        if (IS_ERR(pdev))
+                pr_err("could not build omap_device for cpsw\n");
+
+        oh = omap_hwmod_lookup("cpgmac0");
+        if (!oh) {
+                pr_err("could not find cpgmac0 hwmod data\n");
+                return -ENODEV;
+        }
+
+        pdev = omap_device_build("cpsw", -1, oh, &am33xx_cpsw_pdata,
+                        sizeof(am33xx_cpsw_pdata), NULL, 0, 0);
+        if (IS_ERR(pdev))
+                pr_err("could not build omap_device for cpsw\n");
+
+        return 0;
+}
+
+