1 files changed, 8 insertions, 0 deletions
diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc
index eba1ab7f9f..e3f97f16f2 100644
--- a/OvmfPkg/OvmfPkgX64.dsc
+++ b/OvmfPkg/OvmfPkgX64.dsc
@@ -37,6 +37,7 @@
   DEFINE NETWORK_IP6_ENABLE      = FALSE
   DEFINE HTTP_BOOT_ENABLE        = FALSE
   DEFINE SMM_REQUIRE             = FALSE
+  DEFINE USE_OLD_PCI_HOST        = FALSE
 
 [BuildOptions]
   GCC:*_UNIXGCC_*_CC_FLAGS             = -DMDEPKG_NDEBUG
@@ -530,7 +531,14 @@
   UefiCpuPkg/CpuIo2Dxe/CpuIo2Dxe.inf
   UefiCpuPkg/CpuDxe/CpuDxe.inf
   PcAtChipsetPkg/8254TimerDxe/8254Timer.inf
+!if $(USE_OLD_PCI_HOST) == TRUE
   OvmfPkg/PciHostBridgeDxe/PciHostBridgeDxe.inf
+!else
+  MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridgeDxe.inf {
+    <LibraryClasses>
+      PciHostBridgeLib|OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf
+  }
+!endif
   MdeModulePkg/Bus/Pci/PciBusDxe/PciBusDxe.inf {
     <LibraryClasses>
       PcdLib|MdePkg/Library/DxePcdLib/DxePcdLib.inf