1 /** @file
2 Implementation of Helper routines for PEI enviroment.
3
4 Copyright (c) 2013-2016 Intel Corporation.
5
6 This program and the accompanying materials
7 are licensed and made available under the terms and conditions of the BSD License
8 which accompanies this distribution. The full text of the license may be found at
9 http://opensource.org/licenses/bsd-license.php
10
11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
13
14 **/
15
16 #include <PiPei.h>
17
18 #include <Library/PeiServicesTablePointerLib.h>
19 #include <Library/PeiServicesLib.h>
20 #include <Library/I2cLib.h>
21
22 #include "CommonHeader.h"
23
24 //
25 // Routines defined in other source modules of this component.
26 //
27
28 //
29 // Routines local to this source module.
30 //
31
32 //
33 // Routines exported by this source module.
34 //
35
36 /**
37 Find pointer to RAW data in Firmware volume file.
38
39 @param FvNameGuid Firmware volume to search. If == NULL search all.
40 @param FileNameGuid Firmware volume file to search for.
41 @param SectionData Pointer to RAW data section of found file.
42 @param SectionDataSize Pointer to UNITN to get size of RAW data.
43
44 @retval EFI_SUCCESS Raw Data found.
45 @retval EFI_INVALID_PARAMETER FileNameGuid == NULL.
46 @retval EFI_NOT_FOUND Firmware volume file not found.
47 @retval EFI_UNSUPPORTED Unsupported in current enviroment (PEI or DXE).
48
49 **/
50 EFI_STATUS
51 EFIAPI
PlatformFindFvFileRawDataSection(IN CONST EFI_GUID * FvNameGuid OPTIONAL,IN CONST EFI_GUID * FileNameGuid,OUT VOID ** SectionData,OUT UINTN * SectionDataSize)52 PlatformFindFvFileRawDataSection (
53 IN CONST EFI_GUID *FvNameGuid OPTIONAL,
54 IN CONST EFI_GUID *FileNameGuid,
55 OUT VOID **SectionData,
56 OUT UINTN *SectionDataSize
57 )
58 {
59 EFI_STATUS Status;
60 UINTN Instance;
61 EFI_PEI_FV_HANDLE VolumeHandle;
62 EFI_PEI_FILE_HANDLE FileHandle;
63 EFI_SECTION_TYPE SearchType;
64 EFI_FV_INFO VolumeInfo;
65 EFI_FV_FILE_INFO FileInfo;
66
67 if (FileNameGuid == NULL || SectionData == NULL || SectionDataSize == NULL) {
68 return EFI_INVALID_PARAMETER;
69 }
70 *SectionData = NULL;
71 *SectionDataSize = 0;
72
73 SearchType = EFI_SECTION_RAW;
74 for (Instance = 0; !EFI_ERROR((PeiServicesFfsFindNextVolume (Instance, &VolumeHandle))); Instance++) {
75 if (FvNameGuid != NULL) {
76 Status = PeiServicesFfsGetVolumeInfo (VolumeHandle, &VolumeInfo);
77 if (EFI_ERROR (Status)) {
78 continue;
79 }
80 if (!CompareGuid (FvNameGuid, &VolumeInfo.FvName)) {
81 continue;
82 }
83 }
84 Status = PeiServicesFfsFindFileByName (FileNameGuid, VolumeHandle, &FileHandle);
85 if (!EFI_ERROR (Status)) {
86 Status = PeiServicesFfsGetFileInfo (FileHandle, &FileInfo);
87 if (EFI_ERROR (Status)) {
88 continue;
89 }
90 if (IS_SECTION2(FileInfo.Buffer)) {
91 *SectionDataSize = SECTION2_SIZE(FileInfo.Buffer) - sizeof(EFI_COMMON_SECTION_HEADER2);
92 } else {
93 *SectionDataSize = SECTION_SIZE(FileInfo.Buffer) - sizeof(EFI_COMMON_SECTION_HEADER);
94 }
95 Status = PeiServicesFfsFindSectionData (SearchType, FileHandle, SectionData);
96 if (!EFI_ERROR (Status)) {
97 return Status;
98 }
99 }
100 }
101 return EFI_NOT_FOUND;
102 }
103
104 /**
105 Find free spi protect register and write to it to protect a flash region.
106
107 @param DirectValue Value to directly write to register.
108 if DirectValue == 0 the use Base & Length below.
109 @param BaseAddress Base address of region in Flash Memory Map.
110 @param Length Length of region to protect.
111
112 @retval EFI_SUCCESS Free spi protect register found & written.
113 @retval EFI_NOT_FOUND Free Spi protect register not found.
114 @retval EFI_DEVICE_ERROR Unable to write to spi protect register.
115 **/
116 EFI_STATUS
117 EFIAPI
PlatformWriteFirstFreeSpiProtect(IN CONST UINT32 DirectValue,IN CONST UINT32 BaseAddress,IN CONST UINT32 Length)118 PlatformWriteFirstFreeSpiProtect (
119 IN CONST UINT32 DirectValue,
120 IN CONST UINT32 BaseAddress,
121 IN CONST UINT32 Length
122 )
123 {
124 return WriteFirstFreeSpiProtect (
125 QNC_RCRB_BASE,
126 DirectValue,
127 BaseAddress,
128 Length,
129 NULL
130 );
131 }
132
133 /** Check if System booted with recovery Boot Stage1 image.
134
135 @retval TRUE If system booted with recovery Boot Stage1 image.
136 @retval FALSE If system booted with normal stage1 image.
137
138 **/
139 BOOLEAN
140 EFIAPI
PlatformIsBootWithRecoveryStage1(VOID)141 PlatformIsBootWithRecoveryStage1 (
142 VOID
143 )
144 {
145 BOOLEAN IsRecoveryBoot;
146 QUARK_EDKII_STAGE1_HEADER *Edk2ImageHeader;
147
148 Edk2ImageHeader = (QUARK_EDKII_STAGE1_HEADER *) PcdGet32 (PcdEsramStage1Base);
149 switch ((UINT8)Edk2ImageHeader->ImageIndex & QUARK_STAGE1_IMAGE_TYPE_MASK) {
150 case QUARK_STAGE1_RECOVERY_IMAGE_TYPE:
151 //
152 // Recovery Boot
153 //
154 IsRecoveryBoot = TRUE;
155 break;
156 default:
157 //
158 // Normal Boot
159 //
160 IsRecoveryBoot = FALSE;
161 break;
162 }
163
164 return IsRecoveryBoot;
165 }
166