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OvmfPkg: Add PCD for Host Bridge dev. ID (PcdOvmfHostBridgePciDevId)

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Set from PEI, this PCD allows subsequent stages (specifically
DXE_DRIVER and DXE_RUNTIME_DRIVER) to infer the underlying platform
type (e.g. PIIX4 or Q35/MCH) without the need to further query the
Host Bridge for its Device ID.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Gabriel Somlo <somlo@cmu.edu>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16374 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Gabriel Somlo
2014-11-14 00:37:39 +00:00
committed by jljusten
parent 97380beb15
commit d55004dac9
6 changed files with 7 additions and 1 deletions
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OvmfPkg/OvmfPkgIa32.dsc
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@@ -330,6 +330,7 @@
gEfiMdeModulePkgTokenSpaceGuid.PcdPciDisableBusEnumeration|FALSE
gEfiMdeModulePkgTokenSpaceGuid.PcdVideoHorizontalResolution|800
gEfiMdeModulePkgTokenSpaceGuid.PcdVideoVerticalResolution|600
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfHostBridgePciDevId|0
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdPlatformBootTimeOut|0