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| author | Laszlo Ersek <lersek@redhat.com> | 2016-03-04 01:49:54 +0100 |
|---|---|---|
| committer | Laszlo Ersek <lersek@redhat.com> | 2016-03-10 21:28:37 +0100 |
| commit | 7daf2401d420573f50e3d00ae3a89e54914ef056 (patch) | |
| tree | caf19e6e6da25c6d2be6378a3cbc1b52b554cb8a /OvmfPkg/Library/PciHostBridgeLib | |
| parent | c47ed6fcb5e606cf6d55ff5c954944e7376144de (diff) | |
| download | edk2-7daf2401d420573f50e3d00ae3a89e54914ef056.tar.gz edk2-7daf2401d420573f50e3d00ae3a89e54914ef056.tar.bz2 edk2-7daf2401d420573f50e3d00ae3a89e54914ef056.zip | |
OvmfPkg: PciHostBridgeLib: permit access to the full extended config space
By now OVMF makes MdeModulePkg/Bus/Pci/PciHostBridgeDxe go through
MMCONFIG (when running on Q35). Enable the driver to address each B/D/F's
config space up to and including offset 0xFFF.
Cc: Gabriel Somlo <somlo@cmu.edu>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Marcel Apfelbaum <marcel@redhat.com>
Cc: Michał Zegan <webczat_200@poczta.onet.pl>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Tested-by: Gabriel Somlo <somlo@cmu.edu>
Tested-by: Michał Zegan <webczat_200@poczta.onet.pl>
Diffstat (limited to 'OvmfPkg/Library/PciHostBridgeLib')
| -rw-r--r-- | OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c | 4 | ||||
| -rw-r--r-- | OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf | 1 |
2 files changed, 4 insertions, 1 deletions
diff --git a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c index 582e87dd9a..3e02778492 100644 --- a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c +++ b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c @@ -16,6 +16,7 @@ #include <PiDxe.h>
#include <IndustryStandard/Pci.h>
+#include <IndustryStandard/Q35MchIch9.h>
#include <Protocol/PciHostBridgeResourceAllocation.h>
#include <Protocol/PciRootBridgeIo.h>
@@ -139,7 +140,8 @@ InitRootBridge ( RootBus->Mem.Limit = PcdGet64 (PcdPciMmio32Base) +
(PcdGet64 (PcdPciMmio32Size) - 1);
- RootBus->NoExtendedConfigSpace = TRUE;
+ RootBus->NoExtendedConfigSpace = (PcdGet16 (PcdOvmfHostBridgePciDevId) !=
+ INTEL_Q35_MCH_DEVICE_ID);
DevicePath = AllocateCopyPool (sizeof mRootBridgeDevicePathTemplate,
&mRootBridgeDevicePathTemplate);
diff --git a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf index 5467fff8aa..bbec74645c 100644 --- a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf +++ b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf @@ -51,3 +51,4 @@ gUefiOvmfPkgTokenSpaceGuid.PcdPciIoSize
gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio32Base
gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio32Size
+ gUefiOvmfPkgTokenSpaceGuid.PcdOvmfHostBridgePciDevId
|