openwrtv3/target/linux/ar7/patches-2.6.32/950-cpmac_fallback_switch.patch

--- a/drivers/net/cpmac.c
+++ b/drivers/net/cpmac.c
@@ -1132,8 +1132,9 @@ static int __devinit cpmac_probe(struct 
 	}
 
 	if (phy_id == PHY_MAX_ADDR) {
-		dev_err(&pdev->dev, "no PHY present\n");
-		return -ENODEV;
+		dev_err(&pdev->dev, "no PHY present, falling back to switch mode\n");
+		strncpy(mdio_bus_id, "0", MII_BUS_ID_SIZE); /* fixed phys bus */
+		phy_id = pdev->id;
 	}
 
 	dev = alloc_etherdev_mq(sizeof(*priv), CPMAC_QUEUES);