ArmVirtPkg/FdtPciHostBridgeLib: enable 64-bit PCI DMA

Now that the PCI root bridge driver and various host controller drivers
have been fixed, remove the 4 GB limit on PCI DMA allocation for QEMU's
ECAM PCI host bridge.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>

diff --git a/ArmVirtPkg/Library/FdtPciHostBridgeLib/FdtPciHostBridgeLib.c b/ArmVirtPkg/Library/FdtPciHostBridgeLib/FdtPciHostBridgeLib.c
index bb3742386c63cf78667c27436102b019f13ffeff..5b9c887db35df2f5b359df017be5860c6953bc82 100644 (file)
--- a/ArmVirtPkg/Library/FdtPciHostBridgeLib/FdtPciHostBridgeLib.c
+++ b/ArmVirtPkg/Library/FdtPciHostBridgeLib/FdtPciHostBridgeLib.c
@@ -317,7 +317,7 @@ PciHostBridgeGetRootBridges (
                                       EFI_PCI_ATTRIBUTE_VGA_PALETTE_IO_16;\r
   mRootBridge.Attributes            = mRootBridge.Supports;\r
 \r
-  mRootBridge.DmaAbove4G            = FALSE;\r
+  mRootBridge.DmaAbove4G            = TRUE;\r
   mRootBridge.NoExtendedConfigSpace = FALSE;\r
   mRootBridge.ResourceAssigned      = FALSE;\r
 \r