IntelFsp2WrapperPkg: Add a PCD to control if signaling PciEnumerationComplete.

PciEnumerationComplete might be signaled to FSP in Coreboot. So FSP
wrapper driver don't need send it again. Add a PCD to control if a
FSP API could be skipped from FspWrapperNotifyDxe driver.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Dong <guo.dong@intel.com>
Reviewed-by: Maurice Ma <maurice.ma@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Giri P Mudusuru <giri.p.mudusuru@intel.com>
This commit is contained in:
Dong, Guo 2016-10-26 07:53:37 +08:00 committed by Jiewen Yao
parent d1b757e2cd
commit 4d4b81697c
3 changed files with 33 additions and 8 deletions

View File

@ -27,6 +27,8 @@
#include <Library/HobLib.h>
#include <FspStatusCode.h>
#define FSP_API_NOTIFY_PHASE_AFTER_PCI_ENUMERATION BIT16
typedef
EFI_STATUS
(EFIAPI * ADD_PERFORMANCE_RECORDS)(
@ -236,6 +238,7 @@ FspWrapperNotifyDxeEntryPoint (
EFI_EVENT ReadyToBootEvent;
VOID *Registration;
EFI_EVENT ProtocolNotifyEvent;
UINT32 FspApiMask;
//
// Load this driver's image to memory
@ -245,14 +248,17 @@ FspWrapperNotifyDxeEntryPoint (
return EFI_SUCCESS;
}
ProtocolNotifyEvent = EfiCreateProtocolNotifyEvent (
&gEfiPciEnumerationCompleteProtocolGuid,
TPL_CALLBACK,
OnPciEnumerationComplete,
NULL,
&Registration
);
ASSERT (ProtocolNotifyEvent != NULL);
FspApiMask = PcdGet32 (PcdSkipFspApi);
if ((FspApiMask & FSP_API_NOTIFY_PHASE_AFTER_PCI_ENUMERATION) == 0) {
ProtocolNotifyEvent = EfiCreateProtocolNotifyEvent (
&gEfiPciEnumerationCompleteProtocolGuid,
TPL_CALLBACK,
OnPciEnumerationComplete,
NULL,
&Registration
);
ASSERT (ProtocolNotifyEvent != NULL);
}
Status = EfiCreateEventReadyToBootEx (
TPL_CALLBACK,

View File

@ -62,6 +62,7 @@
[Pcd]
gIntelFsp2WrapperTokenSpaceGuid.PcdFspsBaseAddress ## CONSUMES
gIntelFsp2WrapperTokenSpaceGuid.PcdSkipFspApi ## CONSUMES
[Depex]
TRUE

View File

@ -75,6 +75,24 @@
gIntelFsp2WrapperTokenSpaceGuid.PcdFsptBaseAddress|0x00000000|UINT32|0x00000300
gIntelFsp2WrapperTokenSpaceGuid.PcdFspmBaseAddress|0x00000000|UINT32|0x00000301
## This PCD indicates if FSP APIs are skipped from FSP wrapper.<BR><BR>
# If a bit is set, that means this FSP API is skipped.<BR>
# If a bit is clear, that means this FSP API is NOT skipped.<BR>
# NOTE: Only NotifyPhase Post PCI enumeration (BIT16) is implemented.<BR>
# BIT[15:0] is for function:<BR>
# BIT0 - Skip TempRamInit<BR>
# BIT1 - Skip MemoryInit<BR>
# BIT2 - Skip TempRamExit<BR>
# BIT3 - Skip SiliconInit<BR>
# BIT4 - Skip NotifyPhase<BR>
# BIT[32:16] is for sub-function:<BR>
# BIT16 - Skip NotifyPhase (AfterPciEnumeration)<BR>
# BIT17 - Skip NotifyPhase (ReadyToBoot)<BR>
# BIT18 - Skip NotifyPhase (EndOfFirmware)<BR>
# Any undefined BITs are reserved for future use.<BR>
# @Prompt Skip FSP API from FSP wrapper.
gIntelFsp2WrapperTokenSpaceGuid.PcdSkipFspApi|0x00000000|UINT32|0x40000009
[PcdsFixedAtBuild, PcdsPatchableInModule,PcdsDynamic,PcdsDynamicEx]
gIntelFsp2WrapperTokenSpaceGuid.PcdFspsBaseAddress|0x00000000|UINT32|0x00001001