diff --git a/src/mainboard/amd/onyx/dsdt.asl b/src/mainboard/amd/onyx/dsdt.asl
index c7308a9e78..69b0e5e31b 100644
--- a/src/mainboard/amd/onyx/dsdt.asl
+++ b/src/mainboard/amd/onyx/dsdt.asl
@@ -12,4 +12,6 @@ DefinitionBlock (
 )
 {	/* Start of ASL file */
 	#include <globalnvs.asl>
+
+	#include <soc.asl>
 } /* End of ASL file */