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//*************************************************************************
//*************************************************************************
//** **
//** (C)Copyright 1985-2015, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//*************************************************************************
//*************************************************************************
/** @file MeFwCapsulePei.c
ME FW Capsule Update Pei driver.
**/
//**********************************************************************
//----------------------------------------------------------------------------
// Includes
// Statements that include other files
#include <PEI.h>
#include <AmiPeiLib.h>
#include <FlashUpd.h>
#include <Token.h>
#include <PPI\NBPPI.h>
#include <FlashUpd.h>
#include <AmiHobs.h>
//----------------------------------------------------------------------------
// Function Externs
EFI_GUID mFlashUpdBootModePpiGuid = EFI_PEI_BOOT_IN_FLASH_UPDATE_MODE_PEIM_PPI;
EFI_GUID mAmiPeiBeforeMrcGuid = AMI_PEI_BEFORE_MRC_GUID;
EFI_GUID mAmiCapsuleHobGuid = AMI_CAPSULE_HOB_GUID;
//----------------------------------------------------------------------------
// Local prototypes
EFI_STATUS
MeFwBootOnFlashUpdateNotify (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
IN VOID *NullPpi
);
EFI_STATUS
MeFwBeforeMrcNotify (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
IN VOID *NullPpi
);
// PPI to be installed
static
EFI_PEI_NOTIFY_DESCRIPTOR
MeFwBootOnFlashUpdateNotifyList[] = {
{ EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | \
EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST, \
&mFlashUpdBootModePpiGuid, MeFwBootOnFlashUpdateNotify },
};
static
EFI_PEI_NOTIFY_DESCRIPTOR
MeFwBeforeMrcNotifyList[] = {
{ EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | \
EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST,
&mAmiPeiBeforeMrcGuid, MeFwBeforeMrcNotify }
};
//----------------------------------------------------------------------------
// Local Variables
//----------------------------------------------------------------------------
// Function Definitions
#define R_PCH_ACPI_PM1_STS 0x00
#define B_PCH_ACPI_PM1_STS_WAK 0x8000
#define R_PCH_ACPI_PM1_CNT 0x04
#define B_PCH_ACPI_PM1_CNT_SLP_TYP 0x00001C00
#define R_PCH_RST_CNT 0xCF9
#define V_PCH_RST_CNT_SOFTRESET 0x04
#define V_PCH_RST_CNT_SOFTSTARTSTATE 0x00
//<AMI_PHDR_START>
//----------------------------------------------------------------------
// Procedure: MeFwBootOnFlashUpdateNotify
//
// Description:
//
// Input:
//
// Output:
//
// Returns:
//
//----------------------------------------------------------------------
//<AMI_PHDR_END>
EFI_STATUS
MeFwBootOnFlashUpdateNotify (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
IN VOID *NullPpi
)
{
VOID *p;
for ((*PeiServices)->GetHobList(PeiServices,&p); \
!(FindNextHobByGuid(&mAmiCapsuleHobGuid, &p)); ) {
// When the gFlashUpdBootModePpi is installed, bios identify the Capsule Guid
// either APTIO FW or Windows FW Capsule, so, we just check the Capsule Length
// for determine whether contains the ME FW.
if ((((AMI_CAPSULE_HOB*)p)->CapsuleLength != FWCAPSULE_IMAGE_SIZE) && \
(((AMI_CAPSULE_HOB*)p)->CapsuleLength != \
(FV_MEFWCAP_SIZE + FWCAPSULE_MAX_HDR_SIZE))) continue;
// Clear Wake Status (WAK_STS) and Sleep Type (SLP_TYP)
IoWrite16(PM_BASE_ADDRESS + R_PCH_ACPI_PM1_STS, B_PCH_ACPI_PM1_STS_WAK);
IoWrite16(PM_BASE_ADDRESS + R_PCH_ACPI_PM1_CNT, \
IoRead16(PM_BASE_ADDRESS + R_PCH_ACPI_PM1_CNT) & ~B_PCH_ACPI_PM1_CNT_SLP_TYP);
// Since, HECI interface not work if S3 resume path, to generate a Soft Reset
// to re-activate HECI.
IoWrite8(R_PCH_RST_CNT, V_PCH_RST_CNT_SOFTSTARTSTATE);
IoWrite8(R_PCH_RST_CNT, V_PCH_RST_CNT_SOFTRESET);
EFI_DEADLOOP()
}
return EFI_SUCCESS;
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------
// Procedure: MeFwBeforeMrcNotify
//
// Description:
//
// Input:
//
// Output:
//
// Returns:
//
//----------------------------------------------------------------------
//<AMI_PHDR_END>
EFI_STATUS
MeFwBeforeMrcNotify (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
IN VOID *NullPpi
)
{
EFI_STATUS Status;
EFI_BOOT_MODE BootMode;
Status = (*PeiServices)->GetBootMode (PeiServices, &BootMode);
if (EFI_ERROR(Status) || (BootMode != BOOT_ON_S3_RESUME)) return EFI_SUCCESS;
(*PeiServices)->NotifyPpi (PeiServices, MeFwBootOnFlashUpdateNotifyList);
return EFI_SUCCESS;
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------
// Procedure: MeFwCapsulePeiEntry
//
// Description:
//
// Input:
//
// Output:
//
// Returns:
//
//----------------------------------------------------------------------
//<AMI_PHDR_END>
EFI_STATUS
MeFwCapsulePeiEntry (
IN EFI_FFS_FILE_HEADER *FfsHeader,
IN EFI_PEI_SERVICES **PeiServices
)
{
(*PeiServices)->NotifyPpi (PeiServices, MeFwBeforeMrcNotifyList);
return EFI_SUCCESS;
}
//*************************************************************************
//*************************************************************************
//** **
//** (C)Copyright 1985-2015, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//*************************************************************************
//*************************************************************************
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