The MemLimit is wrong when the Private->BusLimit equal 0xFF.
This patch fix enumerating device plug in switch cart failed issue.
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ming Huang <ming.hu...@linaro.org>
Signed-off-by: Heyi Guo <heyi....@linaro.org>
---
Silicon/Hisilicon/Drivers/PciHostBridgeDxe/PciRootBridgeIo.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Silicon/Hisilicon/Drivers/PciHostBridgeDxe/PciRootBridgeIo.c
b/Silicon/Hisilicon/Drivers/PciHostBridgeDxe/PciRootBridgeIo.c
index e5f66eaa4a..3f894e8eec 100644
--- a/Silicon/Hisilicon/Drivers/PciHostBridgeDxe/PciRootBridgeIo.c
+++ b/Silicon/Hisilicon/Drivers/PciHostBridgeDxe/PciRootBridgeIo.c
@@ -666,7 +666,7 @@ void SetAtuConfig1RW (
)
{
UINTN RbPciBase = Private->RbPciBar;
- UINT64 MemLimit = GetPcieCfgAddress (Private->Ecam, Private->BusLimit + 1,
0, 0, 0) - 1;
+ UINT64 MemLimit = GetPcieCfgAddress (Private->Ecam, Private->BusLimit,
0x1F, 0x07, 0xFFF);
UINT64 Cfg1Base = GetPcieCfgAddress (Private->Ecam, Private->BusBase + 2,
0, 0, 0);
MmioWrite32 (RbPciBase + IATU_OFFSET + IATU_VIEW_POINT, Index);
--
2.17.0
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