1 /** @file
2 Implementation of Helper routines for PEI enviroment.
3
4 Copyright (c) 2013-2015 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 CONST EFI_PEI_SERVICES **PeiServices;
67
68 if (FileNameGuid == NULL || SectionData == NULL || SectionDataSize == NULL) {
69 return EFI_INVALID_PARAMETER;
70 }
71 *SectionData = NULL;
72 *SectionDataSize = 0;
73
74 PeiServices = GetPeiServicesTablePointer ();
75 SearchType = EFI_SECTION_RAW;
76 for (Instance = 0; !EFI_ERROR((PeiServicesFfsFindNextVolume (Instance, &VolumeHandle))); Instance++) {
77 if (FvNameGuid != NULL) {
78 Status = PeiServicesFfsGetVolumeInfo (VolumeHandle, &VolumeInfo);
79 if (EFI_ERROR (Status)) {
80 continue;
81 }
82 if (!CompareGuid (FvNameGuid, &VolumeInfo.FvName)) {
83 continue;
84 }
85 }
86 Status = PeiServicesFfsFindFileByName (FileNameGuid, VolumeHandle, &FileHandle);
87 if (!EFI_ERROR (Status)) {
88 Status = PeiServicesFfsGetFileInfo (FileHandle, &FileInfo);
89 if (EFI_ERROR (Status)) {
90 continue;
91 }
92 if (IS_SECTION2(FileInfo.Buffer)) {
93 *SectionDataSize = SECTION2_SIZE(FileInfo.Buffer) - sizeof(EFI_COMMON_SECTION_HEADER2);
94 } else {
95 *SectionDataSize = SECTION_SIZE(FileInfo.Buffer) - sizeof(EFI_COMMON_SECTION_HEADER);
96 }
97 Status = PeiServicesFfsFindSectionData (SearchType, FileHandle, SectionData);
98 if (!EFI_ERROR (Status)) {
99 return Status;
100 }
101 }
102 }
103 return EFI_NOT_FOUND;
104 }
105
106 /**
107 Find free spi protect register and write to it to protect a flash region.
108
109 @param DirectValue Value to directly write to register.
110 if DirectValue == 0 the use Base & Length below.
111 @param BaseAddress Base address of region in Flash Memory Map.
112 @param Length Length of region to protect.
113
114 @retval EFI_SUCCESS Free spi protect register found & written.
115 @retval EFI_NOT_FOUND Free Spi protect register not found.
116 @retval EFI_DEVICE_ERROR Unable to write to spi protect register.
117 **/
118 EFI_STATUS
119 EFIAPI
PlatformWriteFirstFreeSpiProtect(IN CONST UINT32 DirectValue,IN CONST UINT32 BaseAddress,IN CONST UINT32 Length)120 PlatformWriteFirstFreeSpiProtect (
121 IN CONST UINT32 DirectValue,
122 IN CONST UINT32 BaseAddress,
123 IN CONST UINT32 Length
124 )
125 {
126 return WriteFirstFreeSpiProtect (
127 QNC_RCRB_BASE,
128 DirectValue,
129 BaseAddress,
130 Length,
131 NULL
132 );
133 }
134
135 /** Check if System booted with recovery Boot Stage1 image.
136
137 @retval TRUE If system booted with recovery Boot Stage1 image.
138 @retval FALSE If system booted with normal stage1 image.
139
140 **/
141 BOOLEAN
142 EFIAPI
PlatformIsBootWithRecoveryStage1(VOID)143 PlatformIsBootWithRecoveryStage1 (
144 VOID
145 )
146 {
147 BOOLEAN IsRecoveryBoot;
148 QUARK_EDKII_STAGE1_HEADER *Edk2ImageHeader;
149
150 Edk2ImageHeader = (QUARK_EDKII_STAGE1_HEADER *) PcdGet32 (PcdEsramStage1Base);
151 switch ((UINT8)Edk2ImageHeader->ImageIndex & QUARK_STAGE1_IMAGE_TYPE_MASK) {
152 case QUARK_STAGE1_RECOVERY_IMAGE_TYPE:
153 //
154 // Recovery Boot
155 //
156 IsRecoveryBoot = TRUE;
157 break;
158 default:
159 //
160 // Normal Boot
161 //
162 IsRecoveryBoot = FALSE;
163 break;
164 }
165
166 return IsRecoveryBoot;
167 }
168