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//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2014, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
//**********************************************************************
// $Header: /Alaska/SOURCE/Modules/SMBIOS/SmbiosPeim/SmbiosPei.c 1 5/27/14 1:44p Davidd $
//
// $Revision: 1 $
//
// $Date: 5/27/14 1:44p $
//**********************************************************************
// Revision History
// ----------------
// $Log: /Alaska/SOURCE/Modules/SMBIOS/SmbiosPeim/SmbiosPei.c $
//
// 1 5/27/14 1:44p Davidd
// [TAG] EIP103526
// [Category] Improvement
// [Files] SmbiosPeim.cif
// SmbiosPeim.sdl
// SmbiosPeim.mak
// SmbiosPeim.dxs
// SmbiosPei.c
//
// 1 4/29/14 4:44p Davidd
// [TAG] EIP103526
// [Category] Improvement
// [Description] We should update Wake-up Type in SMBIOS type 1
// dynamically
// [Files] Core\EM\SMBios\SmbiosPeim\SmbiosPeim.cif
// Core\EM\SMBios\SmbiosPeim\SmbiosPeim.sdl
// Core\EM\SMBios\SmbiosPeim\SmbiosPeim.mak
// Core\EM\SMBios\SmbiosPeim\SmbiosPeim.dxs
// Core\EM\SMBios\SmbiosPeim\SmbiosPei.c
//
//**********************************************************************
//<AMI_FHDR_START>
//
// Name: SmbiosPei.c
//
// Description:
//
//<AMI_FHDR_END>
//**********************************************************************
#include <AmiPeiLib.h>
#include <Ppi\ReadOnlyVariable2.h>
#include "Core\Ppi\MemoryDiscovered.h"
extern VOID OemRuntimeShadowRamWrite(IN BOOLEAN Enable);
extern UINT8 getWakeupTypeForSmbios(VOID);
EFI_STATUS
SmbiosAfterInitMemory(
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
IN VOID *NullPpi
);
static EFI_GUID gPeiPermanentMemInstalledPpiGuid = PEI_PERMANENT_MEMORY_INSTALLED_PPI_GUID;
static EFI_PEI_NOTIFY_DESCRIPTOR SmbiosPeiNotify[] =
{
{
EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST,
&gPeiPermanentMemInstalledPpiGuid,
SmbiosAfterInitMemory
}
};
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: UpdateSmbiosWakeupType
//
// Description: Detect and update SMBIOS Type 1 structure "Wake-up Type"
// data field
//
// Input:IN EFI_PEI_SERVICES **PeiServices,
//
// Output: Updated SMBIOS Type 1 "Wake-up Type"
//
// Notes:
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
VOID
UpdateSmbiosWakeupType(
IN EFI_PEI_SERVICES **PeiServices
)
{
EFI_STATUS Status;
EFI_PEI_READ_ONLY_VARIABLE2_PPI *ReadOnlyVariable;
EFI_GUID EfiPeiReadOnlyVariablePpiGuid = \
{0x2ab86ef5, 0xecb5, 0x4134, {0xb5, 0x56, 0x38, 0x54, 0xca, 0x1f, 0xe1, 0xb4}};
EFI_GUID EfiSmbiosNvramGuid = \
{0x4b3082a3, 0x80c6, 0x4d7e, {0x9c, 0xd0, 0x58, 0x39, 0x17, 0x26, 0x5d, 0xf1}};
UINTN DataSize = 4;
UINT32 WakeupTypePtr;
Status = (*PeiServices)->LocatePpi(
PeiServices,
&EfiPeiReadOnlyVariablePpiGuid,
0,
NULL,
&ReadOnlyVariable);
ASSERT_PEI_ERROR(PeiServices, Status);
if (Status == EFI_SUCCESS){
Status = ReadOnlyVariable->GetVariable(
ReadOnlyVariable,
L"WakeUpType",
&EfiSmbiosNvramGuid,
NULL,
&DataSize,
&WakeupTypePtr);
if (Status == EFI_SUCCESS) {
if (WakeupTypePtr > 0xf0000) {
*(UINT8*)WakeupTypePtr = getWakeupTypeForSmbios();
}
else {
OemRuntimeShadowRamWrite(TRUE);
*(UINT8*)WakeupTypePtr = getWakeupTypeForSmbios();
OemRuntimeShadowRamWrite(FALSE);
}
}
}
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: SmbiosAfterInitMemory
//
// Description:
//
// Input: IN EFI_PEI_SERVICES **PeiServices,
// IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
// IN VOID *NullPpi
//
// Output:
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
EFI_STATUS
SmbiosAfterInitMemory(
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
IN VOID *NullPpi
)
{
EFI_STATUS Status;
EFI_BOOT_MODE BootMode;
// Determine boot mode
Status = (*PeiServices)->GetBootMode(PeiServices, &BootMode);
ASSERT_PEI_ERROR(PeiServices, Status);
if (BootMode == BOOT_ON_S3_RESUME) {
UpdateSmbiosWakeupType(PeiServices);
}
return EFI_SUCCESS;
}
EFI_STATUS
SmbiosPeiEntryPoint(
IN EFI_FFS_FILE_HEADER *FfsHeader,
IN EFI_PEI_SERVICES **PeiServices
)
{
EFI_STATUS Status;
// Set the Smbios Notify PPI
Status = (*PeiServices)->NotifyPpi(PeiServices, SmbiosPeiNotify);
ASSERT_PEI_ERROR(PeiServices, Status);
return EFI_SUCCESS;
}
//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2014, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
|
