SPEAr: Configure network support for spear SoCs

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/spear310/spear310.c b/board/spear/spear310/spear310.c
index 14e666d..043a9f3 100644
--- a/board/spear/spear310/spear310.c
+++ b/board/spear/spear310/spear310.c
@@ -23,6 +23,7 @@
  */
 
 #include <common.h>
+#include <netdev.h>
 #include <nand.h>
 #include <asm/io.h>
 #include <linux/mtd/fsmc_nand.h>
@@ -61,3 +62,12 @@
 #endif
 	return;
 }
+
+int board_eth_init(bd_t *bis)
+{
+#if defined(CONFIG_DESIGNWARE_ETH)
+	return designware_initialize(0, CONFIG_SPEAR_ETHBASE, CONFIG_DW0_PHY);
+#else
+	return -1;
+#endif
+}