diff --git a/src/mainboard/amd/majolica/devicetree.cb b/src/mainboard/amd/majolica/devicetree.cb
index 5e9d971b9e..7bb0db1e33 100644
--- a/src/mainboard/amd/majolica/devicetree.cb
+++ b/src/mainboard/amd/majolica/devicetree.cb
@@ -24,6 +24,7 @@ chip soc/amd/cezanne
 	register "pspp_policy" = "DXIO_PSPP_BALANCED"
 
 	device domain 0 on
+		device ref iommu on end
 		device ref gpp_gfx_bridge_0 on end # MXM
 		device ref gpp_bridge_0 on end # NVMe
 		device ref gpp_bridge_1 on end