X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fnet%2Fmacb.c;h=6de0a04410aa5e0ee976c344f06dbc5eee6676a9;hb=59869ca72df8bc4e4ffa9dd17cb6673bbe010272;hp=98e8c73cabb41a5599bcddfcd6a9759720bbb47b;hpb=f82642e33899766892499b163e60560fbbf87773;p=u-boot

diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index 98e8c73cab..6de0a04410 100644
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -317,6 +317,30 @@ static void macb_phy_reset(struct macb_device *macb)
 		       netdev->name, status);
 }
 
+#ifdef CONFIG_MACB_SEARCH_PHY
+static int macb_phy_find(struct macb_device *macb)
+{
+	int i;
+	u16 phy_id;
+
+	/* Search for PHY... */
+	for (i = 0; i < 32; i++) {
+		macb->phy_addr = i;
+		phy_id = macb_mdio_read(macb, MII_PHYSID1);
+		if (phy_id != 0xffff) {
+			printf("%s: PHY present at %d\n", macb->netdev.name, i);
+			return 1;
+		}
+	}
+
+	/* PHY isn't up to snuff */
+	printf("%s: PHY not found", macb->netdev.name);
+
+	return 0;
+}
+#endif /* CONFIG_MACB_SEARCH_PHY */
+
+
 static int macb_phy_init(struct macb_device *macb)
 {
 	struct eth_device *netdev = &macb->netdev;
@@ -325,6 +349,13 @@ static int macb_phy_init(struct macb_device *macb)
 	int media, speed, duplex;
 	int i;
 
+#ifdef CONFIG_MACB_SEARCH_PHY
+	/* Auto-detect phy_addr */
+	if (!macb_phy_find(macb)) {
+		return 0;
+	}
+#endif /* CONFIG_MACB_SEARCH_PHY */
+
 	/* Check if the PHY is up to snuff... */
 	phy_id = macb_mdio_read(macb, MII_PHYSID1);
 	if (phy_id == 0xffff) {
@@ -416,14 +447,14 @@ static int macb_init(struct eth_device *netdev, bd_t *bd)
 	/* choose RMII or MII mode. This depends on the board */
 #ifdef CONFIG_RMII
 #if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \
-    defined(CONFIG_AT91SAM9263)
+    defined(CONFIG_AT91SAM9263) || defined(CONFIG_AT91SAM9G20)
 	macb_writel(macb, USRIO, MACB_BIT(RMII) | MACB_BIT(CLKEN));
 #else
 	macb_writel(macb, USRIO, 0);
 #endif
 #else
 #if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \
-    defined(CONFIG_AT91SAM9263)
+    defined(CONFIG_AT91SAM9263) || defined(CONFIG_AT91SAM9G20)
 	macb_writel(macb, USRIO, MACB_BIT(CLKEN));
 #else
 	macb_writel(macb, USRIO, MACB_BIT(MII));