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[Linaro-uefi] Platforms/AMD/Styx/AmdStyxPciHostBridgeLib: set unused regions base to MAX_UINT64

Message ID 1462892497-31132-1-git-send-email-ard.biesheuvel@linaro.org
State Superseded
Headers show

Commit Message

Ard Biesheuvel May 10, 2016, 3:01 p.m. UTC 
An upcoming fix to the generic PciHostBridgeDxe driver code requires that
the limit of an unused region does not exceed the base, since they describe
a 1 byte region if base equals limit.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
---
 Platforms/AMD/Styx/Library/AmdStyxPciHostBridgeLib/AmdStyxPciHostBridgeLib.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/Platforms/AMD/Styx/Library/AmdStyxPciHostBridgeLib/AmdStyxPciHostBridgeLib.c b/Platforms/AMD/Styx/Library/AmdStyxPciHostBridgeLib/AmdStyxPciHostBridgeLib.c
index 432e4230a59b..8d8c76a0f7f6 100644
--- a/Platforms/AMD/Styx/Library/AmdStyxPciHostBridgeLib/AmdStyxPciHostBridgeLib.c
+++ b/Platforms/AMD/Styx/Library/AmdStyxPciHostBridgeLib/AmdStyxPciHostBridgeLib.c
@@ -106,9 +106,9 @@  PciHostBridgeGetRootBridges (
   //
   // No separate ranges for prefetchable and non-prefetchable BARs
   //
-  RootBridge->PMem.Base             = 0;
+  RootBridge->PMem.Base             = MAX_UINT64;
   RootBridge->PMem.Limit            = 0;
-  RootBridge->PMemAbove4G.Base      = 0;
+  RootBridge->PMemAbove4G.Base      = MAX_UINT64;
   RootBridge->PMemAbove4G.Limit     = 0;
 
   ASSERT (FixedPcdGet64 (PcdPciMmio32Translation) == 0);