--- a/arch/powerpc/boot/dts/mpc8548cds.dts
+++ b/arch/powerpc/boot/dts/mpc8548cds.dts
@@ -301,6 +301,9 @@
 				  0x0 0x100000>;
 		};
 	};
+	chosen {
+		linux,stdout-path = "/soc8548@e0000000/serial@4600";
+	};
 };
 
 /include/ "fsl/mpc8548si-post.dtsi"
--- a/arch/powerpc/boot/dts/fsl/mpc8548si-post.dtsi
+++ b/arch/powerpc/boot/dts/fsl/mpc8548si-post.dtsi
@@ -116,7 +116,24 @@
 
 /include/ "pq3-i2c-0.dtsi"
 /include/ "pq3-i2c-1.dtsi"
-/include/ "pq3-duart-0.dtsi"
+
+	serial0: serial@4600 {
+		cell-index = <1>;
+		device_type = "serial";
+		compatible = "fsl,ns16550", "ns16550";
+		reg = <0x4600 0x100>;
+		clock-frequency = <0>;
+		interrupts = <42 2 0 0>;
+	};
+
+	serial1: serial@4500 {
+		cell-index = <0>;
+		device_type = "serial";
+		compatible = "fsl,ns16550", "ns16550";
+		reg = <0x4500 0x100>;
+		clock-frequency = <0>;
+		interrupts = <42 2 0 0>;
+	};
 
 	L2: l2-cache-controller@20000 {
 		compatible = "fsl,mpc8548-l2-cache-controller";
