Revert "ARM64: zynqmp: Added broken-tuning property to SD, eMMC nodes"
[oweals/u-boot.git] / drivers / net / xilinx_axi_emac.c
index 4a514d08ae0fac8592dcf7a45789420cf43b54eb..5de06ef01e8d256f039db10ca2db59e19e37997b 100644 (file)
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#if !defined(CONFIG_PHYLIB)
-# error AXI_ETHERNET requires PHYLIB
-#endif
-
 /* Link setup */
 #define XAE_EMMC_LINKSPEED_MASK        0xC0000000 /* Link speed */
 #define XAE_EMMC_LINKSPD_10    0x00000000 /* Link Speed mask for 10 Mbit */
@@ -255,7 +251,7 @@ static int axiemac_phy_init(struct udevice *dev)
        }
 
        /* Interface - look at tsec */
-       phydev = phy_connect(priv->bus, priv->phyaddr, dev, 0);
+       phydev = phy_connect(priv->bus, priv->phyaddr, dev, priv->interface);
 
        phydev->supported &= supported;
        phydev->advertising = phydev->supported;
@@ -268,11 +264,29 @@ static int axiemac_phy_init(struct udevice *dev)
 /* Setting axi emac and phy to proper setting */
 static int setup_phy(struct udevice *dev)
 {
-       u32 speed, emmc_reg;
+       u16 temp;
+       u32 speed, emmc_reg, ret;
        struct axidma_priv *priv = dev_get_priv(dev);
        struct axi_regs *regs = priv->iobase;
        struct phy_device *phydev = priv->phydev;
 
+       if (priv->interface == PHY_INTERFACE_MODE_SGMII) {
+               /*
+                * In SGMII cases the isolate bit might set
+                * after DMA and ethernet resets and hence
+                * check and clear if set.
+                */
+               ret = phyread(priv, priv->phyaddr, MII_BMCR, &temp);
+               if (ret)
+                       return 0;
+               if (temp & BMCR_ISOLATE) {
+                       temp &= ~BMCR_ISOLATE;
+                       ret = phywrite(priv, priv->phyaddr, MII_BMCR, temp);
+                       if (ret)
+                               return 0;
+               }
+       }
+
        if (phy_startup(phydev)) {
                printf("axiemac: could not initialize PHY %s\n",
                       phydev->dev->name);
@@ -701,7 +715,7 @@ static int axi_emac_ofdata_to_platdata(struct udevice *dev)
        if (phy_mode)
                pdata->phy_interface = phy_get_interface_by_name(phy_mode);
        if (pdata->phy_interface == -1) {
-               debug("%s: Invalid PHY interface '%s'\n", __func__, phy_mode);
+               printf("%s: Invalid PHY interface '%s'\n", __func__, phy_mode);
                return -EINVAL;
        }
        priv->interface = pdata->phy_interface;