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Update PCI bus driver to support non-standard PCI to PCI bridge I/O window alignment, such as 2K/1K/512 byte. Feature PCD PcdPciBridgeIoAlignmentProbe is introduced to turn on/off this feature.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9598 6f19259b-4bc3-4df7-8a09-765794883524
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rsun3
2009-12-24 11:58:04 +00:00
parent 423401f9ea
commit 1ef2678316
7 changed files with 49 additions and 6 deletions
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3
MdeModulePkg/MdeModulePkg.dec
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@@ -244,6 +244,9 @@
## This PCD specifies whether the Multi Root I/O virtualization support.
gEfiMdeModulePkgTokenSpaceGuid.PcdMrIovSupport|FALSE|BOOLEAN|0x10000046
## This PCD specifies whether the PCI bus driver probes non-standard,
# such as 2K/1K/512, granularity for PCI to PCI bridge I/O window.
gEfiMdeModulePkgTokenSpaceGuid.PcdPciBridgeIoAlignmentProbe|FALSE|BOOLEAN|0x10000047
[PcdsFeatureFlag.IA32]
##