diff --git a/board/overo/overo.c b/board/overo/overo.c
index f363281..e85be7d 100644
--- a/board/overo/overo.c
+++ b/board/overo/overo.c
@@ -100,13 +100,13 @@
 	struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
 
 	/* Configure GPMC registers */
-	writel(NET_GPMC_CONFIG1, &gpmc_cfg->cs[5].config1);
-	writel(NET_GPMC_CONFIG2, &gpmc_cfg->cs[5].config2);
-	writel(NET_GPMC_CONFIG3, &gpmc_cfg->cs[5].config3);
-	writel(NET_GPMC_CONFIG4, &gpmc_cfg->cs[5].config4);
-	writel(NET_GPMC_CONFIG5, &gpmc_cfg->cs[5].config5);
-	writel(NET_GPMC_CONFIG6, &gpmc_cfg->cs[5].config6);
-	writel(NET_GPMC_CONFIG7, &gpmc_cfg->cs[5].config7);
+	writel(NET_LAN9221_GPMC_CONFIG1, &gpmc_cfg->cs[5].config1);
+	writel(NET_LAN9221_GPMC_CONFIG2, &gpmc_cfg->cs[5].config2);
+	writel(NET_LAN9221_GPMC_CONFIG3, &gpmc_cfg->cs[5].config3);
+	writel(NET_LAN9221_GPMC_CONFIG4, &gpmc_cfg->cs[5].config4);
+	writel(NET_LAN9221_GPMC_CONFIG5, &gpmc_cfg->cs[5].config5);
+	writel(NET_LAN9221_GPMC_CONFIG6, &gpmc_cfg->cs[5].config6);
+	writel(NET_LAN9221_GPMC_CONFIG7, &gpmc_cfg->cs[5].config7);
 
 	/* Enable off mode for NWE in PADCONF_GPMC_NWE register */
 	writew(readw(&ctrl_base ->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe);
diff --git a/board/overo/overo.h b/board/overo/overo.h
index 4c7ac27..1873523 100644
--- a/board/overo/overo.h
+++ b/board/overo/overo.h
@@ -33,6 +33,15 @@
 #endif
 };
 
+/* GPMC CS 5 connected to an SMSC LAN9221 ethernet controller */
+#define NET_LAN9221_GPMC_CONFIG1    0x00001000
+#define NET_LAN9221_GPMC_CONFIG2    0x00080701
+#define NET_LAN9221_GPMC_CONFIG3    0x00020201
+#define NET_LAN9221_GPMC_CONFIG4    0x08030703
+#define NET_LAN9221_GPMC_CONFIG5    0x00060908
+#define NET_LAN9221_GPMC_CONFIG6    0x87030000
+#define NET_LAN9221_GPMC_CONFIG7    0x00000f6c
+
 /*
  * IEN  - Input Enable
  * IDIS - Input Disable