diff --git a/arch/mips/dts/qemu-malta.dts b/arch/mips/dts/qemu-malta.dts
index b6b69c4..67fe591 100644
--- a/arch/mips/dts/qemu-malta.dts
+++ b/arch/mips/dts/qemu-malta.dts
@@ -25,6 +25,14 @@
 		clock-frequency = <1843200>;
 	};
 
+	uart2: serial@bf000900 {
+		compatible = "ns16550a";
+		reg = <0xbf000900 0x40>;
+		reg-shift = <3>;
+		/* no matter for emulated port */
+		clock-frequency = <1843200>;
+	};
+
 	nor0: flash@be000000 {
 		#address-cells = <1>;
 		#size-cells = <1>;
diff --git a/arch/mips/mach-malta/include/mach/hardware.h b/arch/mips/mach-malta/include/mach/hardware.h
index 9345a67..ba28cb8 100644
--- a/arch/mips/mach-malta/include/mach/hardware.h
+++ b/arch/mips/mach-malta/include/mach/hardware.h
@@ -20,6 +20,9 @@
 
 #define MALTA_PIIX4_UART0	0xb80003f8
 
+#define MALTA_CBUS_UART	0xbf000900
+#define MALTA_CBUS_UART_SHIFT	3
+
 /*
  * Reset register.
  */