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/** @file
Implementation of Helper routines for PEI enviroment.
Copyright (c) 2013-2016 Intel Corporation.
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include <PiPei.h>
#include <Library/PeiServicesTablePointerLib.h>
#include <Library/PeiServicesLib.h>
#include <Library/I2cLib.h>
#include "CommonHeader.h"
//
// Routines defined in other source modules of this component.
//
//
// Routines local to this source module.
//
//
// Routines exported by this source module.
//
/**
Find pointer to RAW data in Firmware volume file.
@param FvNameGuid Firmware volume to search. If == NULL search all.
@param FileNameGuid Firmware volume file to search for.
@param SectionData Pointer to RAW data section of found file.
@param SectionDataSize Pointer to UNITN to get size of RAW data.
@retval EFI_SUCCESS Raw Data found.
@retval EFI_INVALID_PARAMETER FileNameGuid == NULL.
@retval EFI_NOT_FOUND Firmware volume file not found.
@retval EFI_UNSUPPORTED Unsupported in current enviroment (PEI or DXE).
**/
EFI_STATUS
EFIAPI
PlatformFindFvFileRawDataSection (
IN CONST EFI_GUID *FvNameGuid OPTIONAL,
IN CONST EFI_GUID *FileNameGuid,
OUT VOID **SectionData,
OUT UINTN *SectionDataSize
)
{
EFI_STATUS Status;
UINTN Instance;
EFI_PEI_FV_HANDLE VolumeHandle;
EFI_PEI_FILE_HANDLE FileHandle;
EFI_SECTION_TYPE SearchType;
EFI_FV_INFO VolumeInfo;
EFI_FV_FILE_INFO FileInfo;
if (FileNameGuid == NULL || SectionData == NULL || SectionDataSize == NULL) {
return EFI_INVALID_PARAMETER;
}
*SectionData = NULL;
*SectionDataSize = 0;
SearchType = EFI_SECTION_RAW;
for (Instance = 0; !EFI_ERROR((PeiServicesFfsFindNextVolume (Instance, &VolumeHandle))); Instance++) {
if (FvNameGuid != NULL) {
Status = PeiServicesFfsGetVolumeInfo (VolumeHandle, &VolumeInfo);
if (EFI_ERROR (Status)) {
continue;
}
if (!CompareGuid (FvNameGuid, &VolumeInfo.FvName)) {
continue;
}
}
Status = PeiServicesFfsFindFileByName (FileNameGuid, VolumeHandle, &FileHandle);
if (!EFI_ERROR (Status)) {
Status = PeiServicesFfsGetFileInfo (FileHandle, &FileInfo);
if (EFI_ERROR (Status)) {
continue;
}
if (IS_SECTION2(FileInfo.Buffer)) {
*SectionDataSize = SECTION2_SIZE(FileInfo.Buffer) - sizeof(EFI_COMMON_SECTION_HEADER2);
} else {
*SectionDataSize = SECTION_SIZE(FileInfo.Buffer) - sizeof(EFI_COMMON_SECTION_HEADER);
}
Status = PeiServicesFfsFindSectionData (SearchType, FileHandle, SectionData);
if (!EFI_ERROR (Status)) {
return Status;
}
}
}
return EFI_NOT_FOUND;
}
/**
Find free spi protect register and write to it to protect a flash region.
@param DirectValue Value to directly write to register.
if DirectValue == 0 the use Base & Length below.
@param BaseAddress Base address of region in Flash Memory Map.
@param Length Length of region to protect.
@retval EFI_SUCCESS Free spi protect register found & written.
@retval EFI_NOT_FOUND Free Spi protect register not found.
@retval EFI_DEVICE_ERROR Unable to write to spi protect register.
**/
EFI_STATUS
EFIAPI
PlatformWriteFirstFreeSpiProtect (
IN CONST UINT32 DirectValue,
IN CONST UINT32 BaseAddress,
IN CONST UINT32 Length
)
{
return WriteFirstFreeSpiProtect (
QNC_RCRB_BASE,
DirectValue,
BaseAddress,
Length,
NULL
);
}
/** Check if System booted with recovery Boot Stage1 image.
@retval TRUE If system booted with recovery Boot Stage1 image.
@retval FALSE If system booted with normal stage1 image.
**/
BOOLEAN
EFIAPI
PlatformIsBootWithRecoveryStage1 (
VOID
)
{
BOOLEAN IsRecoveryBoot;
QUARK_EDKII_STAGE1_HEADER *Edk2ImageHeader;
Edk2ImageHeader = (QUARK_EDKII_STAGE1_HEADER *) PcdGet32 (PcdEsramStage1Base);
switch ((UINT8)Edk2ImageHeader->ImageIndex & QUARK_STAGE1_IMAGE_TYPE_MASK) {
case QUARK_STAGE1_RECOVERY_IMAGE_TYPE:
//
// Recovery Boot
//
IsRecoveryBoot = TRUE;
break;
default:
//
// Normal Boot
//
IsRecoveryBoot = FALSE;
break;
}
return IsRecoveryBoot;
}
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