diff --git a/include/configs/stamp9g20.h b/include/configs/stamp9g20.h
index 51339b1..01085dc 100644
--- a/include/configs/stamp9g20.h
+++ b/include/configs/stamp9g20.h
@@ -140,7 +140,10 @@
  * can enable it here if your baseboard features ethernet.
  */
 
-/* #define CONFIG_MACB */
+#define CONFIG_MACB
+#define CONFIG_USB_HOST_ETHER
+#define CONFIG_USB_ETHER_ASIX
+#define CONFIG_USB_ETHER_MCS7830
 
 #ifdef CONFIG_MACB
 # define CONFIG_RMII			/* use reduced MII inteface */