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[openwrt.git] / target / linux / ar7 / patches-2.6.32 / 972-cpmac_multi_probe.patch

diff --git a/target/linux/ar7/patches-2.6.32/972-cpmac_multi_probe.patch b/target/linux/ar7/patches-2.6.32/972-cpmac_multi_probe.patch
index 44933d0..941d888 100644 (file)
--- a/target/linux/ar7/patches-2.6.32/972-cpmac_multi_probe.patch
+++ b/target/linux/ar7/patches-2.6.32/972-cpmac_multi_probe.patch
@@ -21,7 +21,21 @@
  static void cpmac_dump_regs(struct net_device *dev)
  {
        int i;
-@@ -1122,12 +1129,39 @@ static int __devinit cpmac_probe(struct
+@@ -1111,9 +1118,13 @@ static int __devinit cpmac_probe(struct
+       struct cpmac_priv *priv;
+       struct net_device *dev;
+       struct plat_cpmac_data *pdata;
++      void __iomem *mii_reg;
++      u32 tmp;
++      unsigned external_mii = 0;
+ 
+       pdata = pdev->dev.platform_data;
+ 
++detect_again:
+       for (phy_id = 0; phy_id < PHY_MAX_ADDR; phy_id++) {
+               if (!(pdata->phy_mask & (1 << phy_id)))
+                       continue;
+@@ -1122,12 +1133,43 @@ static int __devinit cpmac_probe(struct
                strncpy(mdio_bus_id, cpmac_mii->id, MII_BUS_ID_SIZE);
                break;
        }
@@ -30,22 +44,26 @@
 -              dev_err(&pdev->dev, "no PHY present\n");
 -              return -ENODEV;
 +
-+      if (phy_id < PHY_MAX_ADDR)
++      if (phy_id < PHY_MAX_ADDR && !external_mii)
 +              goto dev_alloc;
 +
-+      dev_info(&pdev->dev, "trying external MII\n");
 +      /* Now disable EPHY and enable MII */
++      dev_info(&pdev->dev, "trying external MII\n");
 +      ar7_device_disable(AR7_RESET_BIT_EPHY);
-+      *(unsigned long*) ioremap(0x08611A08, 4) |= 0x00000001;
 +
-+      for (phy_id = 0; phy_id < PHY_MAX_ADDR; phy_id++) {
-+              if (!(pdata->phy_mask & (1 << phy_id)))
-+                      continue;
-+              if (!cpmac_mii->phy_map[phy_id])
-+                      continue;
-+              strncpy(mdio_bus_id, cpmac_mii->id, MII_BUS_ID_SIZE);
-+              break;
-+      }
++      mii_reg = ioremap(AR7_REGS_MII, 4);
++      if (!mii_reg) {
++              dev_err(&pdev->dev, "failed to iorenamp MII_SEL\n");
++              return -ENOMEM;
+       }
+ 
++      tmp = readl(mii_reg);
++      tmp |= 1;
++      writel(tmp, mii_reg);
++      external_mii++;
++
++      if (external_mii == 1)
++              goto detect_again;
 +
 +      if (phy_id < PHY_MAX_ADDR)
 +              goto dev_alloc;
@@ -56,8 +74,8 @@
 +      if (rc && rc != -ENODEV) {
 +              dev_err(&pdev->dev, "unable to register fixed PHY\n");
 +              return rc;
-       }
- 
++      }
++
 +      strncpy(mdio_bus_id, "0", MII_BUS_ID_SIZE); /* fixed phys bus */
 +      phy_id = pdev->id;
 +
@@ -65,3 +83,13 @@
        dev = alloc_etherdev_mq(sizeof(*priv), CPMAC_QUEUES);
  
        if (!dev) {
+--- a/arch/mips/include/asm/mach-ar7/ar7.h
++++ b/arch/mips/include/asm/mach-ar7/ar7.h
+@@ -41,6 +41,7 @@
+ #define AR7_REGS_RESET        (AR7_REGS_BASE + 0x1600)
+ #define AR7_REGS_VLYNQ0       (AR7_REGS_BASE + 0x1800)
+ #define AR7_REGS_DCL  (AR7_REGS_BASE + 0x1a00)
++#define AR7_REGS_MII  (AR7_REGS_BASE + 0x1a08)
+ #define AR7_REGS_VLYNQ1       (AR7_REGS_BASE + 0x1c00)
+ #define AR7_REGS_MDIO (AR7_REGS_BASE + 0x1e00)
+ #define AR7_REGS_IRQ  (AR7_REGS_BASE + 0x2400)