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[Linaro-uefi,linaro-uefi,v1,13/32] Hisilicon/D05: fix vga emulation fail issue

Message ID 1505829398-52214-14-git-send-email-heyi.guo@linaro.org
State New
Headers show
Series Update D03/D05 binary for edk update and fix some error. | expand

Commit Message

gary guo Sept. 19, 2017, 1:56 p.m. UTC 
From: Chenhui Sun <chenhui.sun@linaro.org>

This is a temporary program, need  continue to investigate
the root cause.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chenhui Sun <chenhui.sun@linaro.org>
---
 Chips/Hisilicon/Drivers/PciHostBridgeDxe/PciRootBridgeIo.c | 7 +++++++
 1 file changed, 7 insertions(+)

   // detected multiple times. We work around this by faking absent
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Patch

diff --git a/Chips/Hisilicon/Drivers/PciHostBridgeDxe/PciRootBridgeIo.c b/Chips/Hisilicon/Drivers/PciHostBridgeDxe/PciRootBridgeIo.c
index 8dfb4b9..2effd7c 100644
--- a/Chips/Hisilicon/Drivers/PciHostBridgeDxe/PciRootBridgeIo.c
+++ b/Chips/Hisilicon/Drivers/PciHostBridgeDxe/PciRootBridgeIo.c
@@ -1770,6 +1770,13 @@  RootBridgeIoPciRead (
     return EFI_INVALID_PARAMETER;
   }
 
+  if ((EfiPciAddress->Bus == 0x81) && (PrivateData->MemBase == 0xAA000000) && (EfiPciAddress->Device > 0)) {
+    return EFI_NOT_FOUND;
+  }
+  if ((EfiPciAddress->Bus == 0x91) && (EfiPciAddress->Device > 0)) {
+    return EFI_NOT_FOUND;
+
}
+
   // The UEFI PCI enumerator scans for devices at all possible addresses,
   // and ignores some PCI rules - this results in some hardware being