Forward port OLIMEX LIME2 Gbit ethernet patch

Required for ethernet to work on some LIME2 revisions.

board/sunxi/gmac.c

@@ -24,8 +24,6 @@ void eth_init_board(void)
 #ifdef CONFIG_RGMII
 	setbits_le32(&ccm->gmac_clk_cfg, CCM_GMAC_CTRL_TX_CLK_SRC_INT_RGMII |
 		CCM_GMAC_CTRL_GPIT_RGMII);
-	setbits_le32(&ccm->gmac_clk_cfg,
-		     CCM_GMAC_CTRL_TX_CLK_DELAY(CONFIG_GMAC_TX_DELAY));
 #else
 	setbits_le32(&ccm->gmac_clk_cfg, CCM_GMAC_CTRL_TX_CLK_SRC_MII |
 		CCM_GMAC_CTRL_GPIT_MII);

drivers/net/phy/micrel_ksz90x1.c

@@ -13,6 +13,8 @@
 #include <errno.h>
 #include <micrel.h>
 #include <phy.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
 
 /*
  * KSZ9021 - KSZ9031 common
@@ -98,7 +100,7 @@ static const struct ksz90x1_reg_field ksz9031_ctl_grp[] = {
 };
 
 static const struct ksz90x1_reg_field ksz9031_clk_grp[] = {
-	{ "rxc-skew-ps", 5, 0, 0xf }, { "txc-skew-ps", 5, 5, 0xf }
+ 	{ "rxc-skew-ps", 5, 0, 0x7 }, { "txc-skew-ps", 5, 5, 0x17 }
 };
 
 static int ksz90x1_of_config_group(struct phy_device *phydev,
@@ -329,6 +331,13 @@ static int ksz9031_phy_extwrite(struct phy_device *phydev, int addr,
 static int ksz9031_config(struct phy_device *phydev)
 {
 	int ret;
+	struct sunxi_ccm_reg *const ccm =
+		(struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
+
+#ifdef CONFIG_RGMII
+		setbits_le32(&ccm->gmac_clk_cfg,
+			CCM_GMAC_CTRL_TX_CLK_DELAY(4));
+#endif
 
 	ret = ksz9031_of_config(phydev);
 	if (ret)

drivers/net/phy/realtek.c

@@ -9,6 +9,8 @@
 #include <common.h>
 #include <linux/bitops.h>
 #include <phy.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
 
 #define PHY_RTL8211x_FORCE_MASTER BIT(1)
 #define PHY_RTL8211E_PINE64_GIGABIT_FIX BIT(2)
@@ -78,6 +80,9 @@ static int rtl8211e_probe(struct phy_device *phydev)
 /* RealTek RTL8211x */
 static int rtl8211x_config(struct phy_device *phydev)
 {
+	struct sunxi_ccm_reg *const ccm =
+		(struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
+
 	phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET);
 
 	/* mask interrupt at init; if the interrupt is
@@ -86,6 +91,27 @@ static int rtl8211x_config(struct phy_device *phydev)
 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_RTL8211x_PHY_INER,
 		  MIIM_RTL8211x_PHY_INTR_DIS);
 
+	/* Check if device is RTL8211CL or RTL8211E */
+	if(phydev->drv->uid == 0x1cc912) {
+		/* On RTL8211E TX delay must be 0 and
+		 * phy must be forced to be master
+		 */
+		 setbits_le32(&ccm->gmac_clk_cfg, CCM_GMAC_CTRL_TX_CLK_DELAY(0));
+
+		 unsigned int reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_CTRL1000);
+		 /* force manual master/slave configuration */
+		 reg |= MIIM_RTL8211x_CTRL1000T_MSCE;
+		 /* force master mode */
+		 reg |= MIIM_RTL8211x_CTRL1000T_MASTER;
+		 phy_write(phydev, MDIO_DEVAD_NONE, MII_CTRL1000, reg);
+
+	} else {
+		if(phydev->drv->uid == 0x1cc915) {
+			/* On RTL8211E make GMAC_TX_CLK_DELAY 2 */
+			setbits_le32(&ccm->gmac_clk_cfg, CCM_GMAC_CTRL_TX_CLK_DELAY(2));
+		}
+	}
+
 	if (phydev->flags & PHY_RTL8211x_FORCE_MASTER) {
 		unsigned int reg;
 
@@ -112,6 +138,7 @@ static int rtl8211x_config(struct phy_device *phydev)
 		phy_write(phydev, MDIO_DEVAD_NONE, MIIM_RTL8211F_PAGE_SELECT,
 			  0);
 	}
+
 	/* read interrupt status just to clear it */
 	phy_read(phydev, MDIO_DEVAD_NONE, MIIM_RTL8211x_PHY_INER);
 

drivers/net/phy/smsc.c

@@ -11,6 +11,8 @@
  */
 #include <common.h>
 #include <miiphy.h>
+#include <asm/gpio.h>
+#include <asm/arch/gpio.h>
 
 /* This code does not check the partner abilities. */
 static int smsc_parse_status(struct phy_device *phydev)
@@ -43,6 +45,30 @@ static int smsc_startup(struct phy_device *phydev)
 	return smsc_parse_status(phydev);
 }
 
+#if 1
+static int olinuxino_smsc_startup(struct phy_device *phydev)
+{
+    int ret;
+
+    ret = gpio_request(SUNXI_GPA(17), "lan8710-txerr");
+    if(ret)
+        return ret;
+    gpio_direction_output(SUNXI_GPA(17), 0);
+
+    ret = genphy_update_link(phydev);
+    if (ret)
+        return ret;
+
+    return genphy_parse_link(phydev);
+}
+
+static int olinuxino_smsc_shutdown(struct phy_device *phydev)
+{
+    sunxi_gpio_set_cfgpin(SUNXI_GPA(17), SUNXI_GPIO_INPUT);
+	return 0;
+}
+#endif
+
 static struct phy_driver lan8700_driver = {
 	.name = "SMSC LAN8700",
 	.uid = 0x0007c0c0,
@@ -69,8 +95,13 @@ static struct phy_driver lan8710_driver = {
 	.mask = 0xffff0,
 	.features = PHY_BASIC_FEATURES,
 	.config = &genphy_config_aneg,
+#if 1
+	.startup = &olinuxino_smsc_startup,
+	.shutdown = &olinuxino_smsc_shutdown,
+#else
     .startup = &genphy_startup,
     .shutdown = &genphy_shutdown,
+#endif
 };
 
 static struct phy_driver lan8740_driver = {

include/configs/sunxi-common.h

@@ -291,6 +291,9 @@ extern int soft_i2c_gpio_scl;
 
 #ifdef CONFIG_SUN7I_GMAC
 #define CONFIG_PHY_REALTEK
+#define CONFIG_PHY_MICREL
+#define CONFIG_PHY_MICREL_KSZ9031
+#define CONFIG_PHY_SMSC
 #endif
 
 #ifdef CONFIG_USB_EHCI_HCD