diff --git a/arch/arm/boot/dts/owl-s500.dtsi b/arch/arm/boot/dts/owl-s500.dtsi
index fc9f71a4106a..6d6024027ee2 100644
--- a/arch/arm/boot/dts/owl-s500.dtsi
+++ b/arch/arm/boot/dts/owl-s500.dtsi
@@ -28,24 +28,28 @@
 			device_type = "cpu";
 			compatible = "arm,cortex-a9";
 			reg = <0x0>;
+			enable-method = "actions,s500-smp";
 		};
 
 		cpu1: cpu@1 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a9";
 			reg = <0x1>;
+			enable-method = "actions,s500-smp";
 		};
 
 		cpu2: cpu@2 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a9";
 			reg = <0x2>;
+			enable-method = "actions,s500-smp";
 		};
 
 		cpu3: cpu@3 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a9";
 			reg = <0x3>;
+			enable-method = "actions,s500-smp";
 		};
 	};