diff --git a/src/soc/amd/genoa/acpi/soc.asl b/src/soc/amd/genoa/acpi/soc.asl
index 00eb48a..0959eca 100644
--- a/src/soc/amd/genoa/acpi/soc.asl
+++ b/src/soc/amd/genoa/acpi/soc.asl
@@ -1,5 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include <soc/amd/common/acpi/pci_root.asl>
 #include "globalnvs.asl"
 
 Scope(\_SB) {
@@ -7,4 +8,9 @@
 	#include "pci_int_defs.asl"
 
 	#include "mmio.asl"
+
+	ROOT_BRIDGE(S0B0)
+	ROOT_BRIDGE(S0B1)
+	ROOT_BRIDGE(S0B2)
+	ROOT_BRIDGE(S0B3)
 } /* End \_SB scope */