omap3evm: Set environment variable 'ethaddr'

It is now responsibility of the board specific init
code to set the environment variable corresponding
to the MAC address.

Signed-off-by: Sanjeev Premi <premi@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
diff --git a/board/ti/evm/evm.c b/board/ti/evm/evm.c
index b17c0fb..8c43463 100644
--- a/board/ti/evm/evm.c
+++ b/board/ti/evm/evm.c
@@ -217,7 +217,22 @@
 {
 	int rc = 0;
 #ifdef CONFIG_SMC911X
+#define STR_ENV_ETHADDR	"ethaddr"
+
+	struct eth_device *dev;
+	uchar eth_addr[6];
+
 	rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
+
+	if (!eth_getenv_enetaddr(STR_ENV_ETHADDR, eth_addr)) {
+		dev = eth_get_dev_by_index(0);
+		if (dev) {
+			eth_setenv_enetaddr(STR_ENV_ETHADDR, dev->enetaddr);
+		} else {
+			printf("omap3evm: Couldn't get eth device\n");
+			rc = -1;
+		}
+	}
 #endif
 	return rc;
 }