SPEAr: Add macb driver support for spear310 and spear320

SPEAr310 and SPEAr320 SoCs have an extra ethernet controller. The
driver for this device is already supported by u-boot, so configuring
board configuration file and defining base addresses etc to make use
of the common driver

Signed-off-by: Vipin Kumar <vipin.kumar@st.com>
Signed-off-by: Amit Virdi <amit.virdi@st.com>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/board/spear/spear320/spear320.c b/board/spear/spear320/spear320.c
index 1b6f362..e101888 100644
--- a/board/spear/spear320/spear320.c
+++ b/board/spear/spear320/spear320.c
@@ -66,9 +66,15 @@
 
 int board_eth_init(bd_t *bis)
 {
+	int ret = 0;
 #if defined(CONFIG_DESIGNWARE_ETH)
-	return designware_initialize(0, CONFIG_SPEAR_ETHBASE, CONFIG_DW0_PHY);
-#else
-	return -1;
+	if (designware_initialize(0, CONFIG_SPEAR_ETHBASE, CONFIG_DW0_PHY) < 0)
+		ret += -1;
 #endif
+#if defined(CONFIG_MACB)
+	if (macb_eth_initialize(0, (void *)CONFIG_SYS_MACB0_BASE,
+				CONFIG_MACB0_PHY) < 0)
+		ret += -1;
+#endif
+	return ret;
 }