Revision: 16374
http://sourceforge.net/p/edk2/code/16374
Author: jljusten
Date: 2014-11-14 00:37:39 +0000 (Fri, 14 Nov 2014)
Log Message:
-----------
OvmfPkg: Add PCD for Host Bridge dev. ID (PcdOvmfHostBridgePciDevId)
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 <[email protected]>
Reviewed-by: Paolo Bonzini <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
Reviewed-by: Gerd Hoffmann <[email protected]>
Reviewed-by: Laszlo Ersek <[email protected]>
Modified Paths:
--------------
trunk/edk2/OvmfPkg/OvmfPkg.dec
trunk/edk2/OvmfPkg/OvmfPkgIa32.dsc
trunk/edk2/OvmfPkg/OvmfPkgIa32X64.dsc
trunk/edk2/OvmfPkg/OvmfPkgX64.dsc
trunk/edk2/OvmfPkg/PlatformPei/Platform.c
trunk/edk2/OvmfPkg/PlatformPei/PlatformPei.inf
Modified: trunk/edk2/OvmfPkg/OvmfPkg.dec
===================================================================
--- trunk/edk2/OvmfPkg/OvmfPkg.dec 2014-11-14 00:37:26 UTC (rev 16373)
+++ trunk/edk2/OvmfPkg/OvmfPkg.dec 2014-11-14 00:37:39 UTC (rev 16374)
@@ -94,6 +94,7 @@
[PcdsDynamic, PcdsDynamicEx]
gUefiOvmfPkgTokenSpaceGuid.PcdEmuVariableEvent|0|UINT64|2
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashVariablesEnable|FALSE|BOOLEAN|0x10
+ gUefiOvmfPkgTokenSpaceGuid.PcdOvmfHostBridgePciDevId|0|UINT16|0x1b
[PcdsFeatureFlag]
gUefiOvmfPkgTokenSpaceGuid.PcdSecureBootEnable|FALSE|BOOLEAN|3
Modified: trunk/edk2/OvmfPkg/OvmfPkgIa32.dsc
===================================================================
--- trunk/edk2/OvmfPkg/OvmfPkgIa32.dsc 2014-11-14 00:37:26 UTC (rev 16373)
+++ trunk/edk2/OvmfPkg/OvmfPkgIa32.dsc 2014-11-14 00:37:39 UTC (rev 16374)
@@ -330,6 +330,7 @@
gEfiMdeModulePkgTokenSpaceGuid.PcdPciDisableBusEnumeration|FALSE
gEfiMdeModulePkgTokenSpaceGuid.PcdVideoHorizontalResolution|800
gEfiMdeModulePkgTokenSpaceGuid.PcdVideoVerticalResolution|600
+ gUefiOvmfPkgTokenSpaceGuid.PcdOvmfHostBridgePciDevId|0
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdPlatformBootTimeOut|0
Modified: trunk/edk2/OvmfPkg/OvmfPkgIa32X64.dsc
===================================================================
--- trunk/edk2/OvmfPkg/OvmfPkgIa32X64.dsc 2014-11-14 00:37:26 UTC (rev
16373)
+++ trunk/edk2/OvmfPkg/OvmfPkgIa32X64.dsc 2014-11-14 00:37:39 UTC (rev
16374)
@@ -336,6 +336,7 @@
gEfiMdeModulePkgTokenSpaceGuid.PcdPciDisableBusEnumeration|FALSE
gEfiMdeModulePkgTokenSpaceGuid.PcdVideoHorizontalResolution|800
gEfiMdeModulePkgTokenSpaceGuid.PcdVideoVerticalResolution|600
+ gUefiOvmfPkgTokenSpaceGuid.PcdOvmfHostBridgePciDevId|0
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdPlatformBootTimeOut|0
Modified: trunk/edk2/OvmfPkg/OvmfPkgX64.dsc
===================================================================
--- trunk/edk2/OvmfPkg/OvmfPkgX64.dsc 2014-11-14 00:37:26 UTC (rev 16373)
+++ trunk/edk2/OvmfPkg/OvmfPkgX64.dsc 2014-11-14 00:37:39 UTC (rev 16374)
@@ -335,6 +335,7 @@
gEfiMdeModulePkgTokenSpaceGuid.PcdPciDisableBusEnumeration|FALSE
gEfiMdeModulePkgTokenSpaceGuid.PcdVideoHorizontalResolution|800
gEfiMdeModulePkgTokenSpaceGuid.PcdVideoVerticalResolution|600
+ gUefiOvmfPkgTokenSpaceGuid.PcdOvmfHostBridgePciDevId|0
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdPlatformBootTimeOut|0
Modified: trunk/edk2/OvmfPkg/PlatformPei/Platform.c
===================================================================
--- trunk/edk2/OvmfPkg/PlatformPei/Platform.c 2014-11-14 00:37:26 UTC (rev
16373)
+++ trunk/edk2/OvmfPkg/PlatformPei/Platform.c 2014-11-14 00:37:39 UTC (rev
16374)
@@ -245,7 +245,7 @@
BuildCpuHob (36, 16);
//
- // Query Host Bridge DID to determine platform type
+ // Query Host Bridge DID to determine platform type and save to PCD
//
HostBridgeDevId = PciRead16 (OVMF_HOSTBRIDGE_DID);
switch (HostBridgeDevId) {
@@ -265,6 +265,7 @@
ASSERT (FALSE);
return;
}
+ PcdSet16 (PcdOvmfHostBridgePciDevId, HostBridgeDevId);
//
// If PMREGMISC/PMIOSE is set, assume the ACPI PMBA has been configured (for
Modified: trunk/edk2/OvmfPkg/PlatformPei/PlatformPei.inf
===================================================================
--- trunk/edk2/OvmfPkg/PlatformPei/PlatformPei.inf 2014-11-14 00:37:26 UTC
(rev 16373)
+++ trunk/edk2/OvmfPkg/PlatformPei/PlatformPei.inf 2014-11-14 00:37:39 UTC
(rev 16374)
@@ -73,6 +73,7 @@
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfLockBoxStorageBase
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfLockBoxStorageSize
gUefiOvmfPkgTokenSpaceGuid.PcdGuidedExtractHandlerTableSize
+ gUefiOvmfPkgTokenSpaceGuid.PcdOvmfHostBridgePciDevId
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdS3AcpiReservedMemorySize
gEfiMdePkgTokenSpaceGuid.PcdGuidedExtractHandlerTableAddress
gEfiMdeModulePkgTokenSpaceGuid.PcdVariableStoreSize
------------------------------------------------------------------------------
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