diff options
author | Dong, Guo <guo.dong@intel.com> | 2016-10-26 07:53:37 +0800 |
---|---|---|
committer | Jiewen Yao <jiewen.yao@intel.com> | 2016-10-28 07:46:42 +0800 |
commit | 4d4b81697cdb998067e93ee51b4f26dc8f86afe3 (patch) | |
tree | 070d35619784b6172dec8355e66347312e2fabfa /IntelFsp2WrapperPkg | |
parent | d1b757e2cd034e32676c5cc2d542f785e74f8c5d (diff) | |
download | edk2-4d4b81697cdb998067e93ee51b4f26dc8f86afe3.zip edk2-4d4b81697cdb998067e93ee51b4f26dc8f86afe3.tar.gz edk2-4d4b81697cdb998067e93ee51b4f26dc8f86afe3.tar.bz2 |
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>
Diffstat (limited to 'IntelFsp2WrapperPkg')
3 files changed, 33 insertions, 8 deletions
diff --git a/IntelFsp2WrapperPkg/FspWrapperNotifyDxe/FspWrapperNotifyDxe.c b/IntelFsp2WrapperPkg/FspWrapperNotifyDxe/FspWrapperNotifyDxe.c index a692632..a2fe18c 100644 --- a/IntelFsp2WrapperPkg/FspWrapperNotifyDxe/FspWrapperNotifyDxe.c +++ b/IntelFsp2WrapperPkg/FspWrapperNotifyDxe/FspWrapperNotifyDxe.c @@ -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,
diff --git a/IntelFsp2WrapperPkg/FspWrapperNotifyDxe/FspWrapperNotifyDxe.inf b/IntelFsp2WrapperPkg/FspWrapperNotifyDxe/FspWrapperNotifyDxe.inf index f851f68..54c2cbf 100644 --- a/IntelFsp2WrapperPkg/FspWrapperNotifyDxe/FspWrapperNotifyDxe.inf +++ b/IntelFsp2WrapperPkg/FspWrapperNotifyDxe/FspWrapperNotifyDxe.inf @@ -62,6 +62,7 @@ [Pcd]
gIntelFsp2WrapperTokenSpaceGuid.PcdFspsBaseAddress ## CONSUMES
+ gIntelFsp2WrapperTokenSpaceGuid.PcdSkipFspApi ## CONSUMES
[Depex]
TRUE
diff --git a/IntelFsp2WrapperPkg/IntelFsp2WrapperPkg.dec b/IntelFsp2WrapperPkg/IntelFsp2WrapperPkg.dec index d9d2d80..c088185 100644 --- a/IntelFsp2WrapperPkg/IntelFsp2WrapperPkg.dec +++ b/IntelFsp2WrapperPkg/IntelFsp2WrapperPkg.dec @@ -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
\ No newline at end of file |