diff --git a/board/freescale/t104xrdb/eth.c b/board/freescale/t104xrdb/eth.c
index 7581a4cd..71d0457 100644
--- a/board/freescale/t104xrdb/eth.c
+++ b/board/freescale/t104xrdb/eth.c
@@ -43,9 +43,11 @@
 		int idx = i - FM1_DTSEC1;
 
 		switch (fm_info_get_enet_if(i)) {
-#ifdef CONFIG_T1040RDB
+#if defined(CONFIG_T1040RDB) || defined(CONFIG_T1040D4RDB)
 		case PHY_INTERFACE_MODE_SGMII:
-			/* T1040RDB only supports SGMII on DTSEC3 */
+			/* T1040RDB & T1040D4RDB only supports SGMII on
+			 * DTSEC3
+			 */
 			fm_info_set_phy_address(FM1_DTSEC3,
 						CONFIG_SYS_SGMII1_PHY_ADDR);
 			break;
@@ -60,6 +62,20 @@
 						CONFIG_SYS_SGMII1_PHY_ADDR);
 			break;
 #endif
+#ifdef CONFIG_T1042D4RDB
+		case PHY_INTERFACE_MODE_SGMII:
+			/* T1042D4RDB supports SGMII on DTSEC1, DTSEC2
+			 *  & DTSEC3
+			 */
+			if (FM1_DTSEC1 == i)
+				phy_addr = CONFIG_SYS_SGMII1_PHY_ADDR;
+			if (FM1_DTSEC2 == i)
+				phy_addr = CONFIG_SYS_SGMII2_PHY_ADDR;
+			if (FM1_DTSEC3 == i)
+				phy_addr = CONFIG_SYS_SGMII3_PHY_ADDR;
+			fm_info_set_phy_address(i, phy_addr);
+			break;
+#endif
 		case PHY_INTERFACE_MODE_RGMII:
 			if (FM1_DTSEC4 == i)
 				phy_addr = CONFIG_SYS_RGMII1_PHY_ADDR;