From a5ece62d79b73cc108110fe98d04d5c08c7c4304 Mon Sep 17 00:00:00 2001
From: Laszlo Ersek <lersek@redhat.com>
Date: Mon, 25 Jan 2016 23:47:19 +0100
Subject: [PATCH] OvmfPkg: PciHostBridgeLib: set supported and initial
 attributes in RootBus

These settings are copied from the RootBridgeConstructor() function, file
"OvmfPkg/PciHostBridgeDxe/PciRootBridgeIo.c".

Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Marcel Apfelbaum <marcel@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
---
 OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c
index 39dc2b5acb..db260291b8 100644
--- a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c
+++ b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c
@@ -17,6 +17,8 @@
 
 #include <IndustryStandard/Pci.h>
 
+#include <Protocol/PciRootBridgeIo.h>
+
 #include <Library/BaseMemoryLib.h>
 #include <Library/DebugLib.h>
 #include <Library/MemoryAllocationLib.h>
@@ -71,6 +73,15 @@ InitRootBridge (
 
   RootBus->Segment = 0;
 
+  RootBus->Supports   = EFI_PCI_ATTRIBUTE_IDE_PRIMARY_IO |
+                        EFI_PCI_ATTRIBUTE_IDE_SECONDARY_IO |
+                        EFI_PCI_ATTRIBUTE_ISA_IO_16 |
+                        EFI_PCI_ATTRIBUTE_ISA_MOTHERBOARD_IO |
+                        EFI_PCI_ATTRIBUTE_VGA_MEMORY |
+                        EFI_PCI_ATTRIBUTE_VGA_IO_16  |
+                        EFI_PCI_ATTRIBUTE_VGA_PALETTE_IO_16;
+  RootBus->Attributes = RootBus->Supports;
+
   return EFI_OUT_OF_RESOURCES;
 }
 
-- 
2.39.2