On the normal boot path (which is when PciHostBridgeDxe runs), the PCDs have been calculated; report the 64-bit PCI host aperture to PciHostBridgeDxe.
In the Ia32 build, the PCD values (zeros) come directly from the DEC file, and this patch makes no difference. Cc: Gerd Hoffmann <[email protected]> Cc: Jordan Justen <[email protected]> Cc: Marcel Apfelbaum <[email protected]> Cc: Thomas Lamprecht <[email protected]> Ref: https://github.com/tianocore/edk2/issues/59 Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <[email protected]> --- OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf | 2 ++ OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c | 7 +++++++ 2 files changed, 9 insertions(+) diff --git a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf index bbec74645c83..7a964c74c6cc 100644 --- a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf +++ b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf @@ -47,8 +47,10 @@ [LibraryClasses] QemuFwCfgLib [Pcd] gUefiOvmfPkgTokenSpaceGuid.PcdPciIoBase gUefiOvmfPkgTokenSpaceGuid.PcdPciIoSize gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio32Base gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio32Size + gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio64Base + gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio64Size gUefiOvmfPkgTokenSpaceGuid.PcdOvmfHostBridgePciDevId diff --git a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c index 3e02778492a8..1d3d10ad7379 100644 --- a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c +++ b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c @@ -128,14 +128,21 @@ InitRootBridge ( RootBus->PMem.Base = 0; RootBus->PMem.Limit = 0; RootBus->PMemAbove4G.Base = 0; RootBus->PMemAbove4G.Limit = 0; RootBus->MemAbove4G.Base = 0; RootBus->MemAbove4G.Limit = 0; + if (PcdGet64 (PcdPciMmio64Size) > 0) { + RootBus->AllocationAttributes |= EFI_PCI_HOST_BRIDGE_MEM64_DECODE; + RootBus->MemAbove4G.Base = PcdGet64 (PcdPciMmio64Base); + RootBus->MemAbove4G.Limit = PcdGet64 (PcdPciMmio64Base) + + (PcdGet64 (PcdPciMmio64Size) - 1); + } + RootBus->Bus.Base = RootBusNumber; RootBus->Bus.Limit = MaxSubBusNumber; RootBus->Io.Base = PcdGet64 (PcdPciIoBase); RootBus->Io.Limit = PcdGet64 (PcdPciIoBase) + (PcdGet64 (PcdPciIoSize) - 1); RootBus->Mem.Base = PcdGet64 (PcdPciMmio32Base); RootBus->Mem.Limit = PcdGet64 (PcdPciMmio32Base) + (PcdGet64 (PcdPciMmio32Size) - 1); -- 1.8.3.1 _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
