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-rw-r--r--src/mainboard/amd/gardenia/devicetree.cb1
-rw-r--r--src/mainboard/amd/padmelon/devicetree.cb1
2 files changed, 2 insertions, 0 deletions
diff --git a/src/mainboard/amd/gardenia/devicetree.cb b/src/mainboard/amd/gardenia/devicetree.cb
index fc7bde527f..bb90ed43e2 100644
--- a/src/mainboard/amd/gardenia/devicetree.cb
+++ b/src/mainboard/amd/gardenia/devicetree.cb
@@ -13,6 +13,7 @@ chip soc/amd/stoneyridge
device domain 0 on
subsystemid 0x1022 0x1410 inherit
device pci 0.0 on end # Root Complex
+ device pci 0.2 on end # IOMMU
device pci 1.0 on end # Internal Graphics P2P bridge 0x98e4
device pci 1.1 on end # Internal Multimedia
device pci 2.0 on end # PCIe Host Bridge
diff --git a/src/mainboard/amd/padmelon/devicetree.cb b/src/mainboard/amd/padmelon/devicetree.cb
index a80539029e..76e7d08948 100644
--- a/src/mainboard/amd/padmelon/devicetree.cb
+++ b/src/mainboard/amd/padmelon/devicetree.cb
@@ -10,6 +10,7 @@ chip soc/amd/stoneyridge
device domain 0 on
subsystemid 0x1022 0x1410 inherit
device pci 0.0 on end # Root Complex
+ device pci 0.2 on end # IOMMU
device pci 1.0 on end # Internal Graphics P2P bridge 0x9874
device pci 1.1 on end # Internal Multimedia
device pci 2.0 on end # PCIe Host Bridge