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49ba9447 | 1 | /**@file\r |
2 | Platform PEI driver\r | |
3 | \r | |
29a3f139 | 4 | Copyright (c) 2006 - 2010, Intel Corporation\r |
49ba9447 | 5 | All rights reserved. This program and the accompanying materials\r |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | //\r | |
16 | // The package level header files this module uses\r | |
17 | //\r | |
18 | #include <PiPei.h>\r | |
19 | \r | |
20 | //\r | |
21 | // The Library classes this module consumes\r | |
22 | //\r | |
23 | #include <Library/DebugLib.h>\r | |
24 | #include <Library/HobLib.h>\r | |
25 | #include <Library/IoLib.h>\r | |
77ba993c | 26 | #include <Library/MemoryAllocationLib.h>\r |
27 | #include <Library/PcdLib.h>\r | |
49ba9447 | 28 | #include <Library/PciLib.h>\r |
29 | #include <Library/PeimEntryPoint.h>\r | |
30 | #include <Library/ResourcePublicationLib.h>\r | |
31 | #include <Guid/MemoryTypeInformation.h>\r | |
32 | \r | |
33 | #include "Platform.h"\r | |
34 | \r | |
35 | EFI_MEMORY_TYPE_INFORMATION mDefaultMemoryTypeInformation[] = {\r | |
36 | { EfiACPIMemoryNVS, 0x004 },\r | |
37 | { EfiACPIReclaimMemory, 0x01C },\r | |
38 | { EfiRuntimeServicesData, 0x050 },\r | |
39 | { EfiRuntimeServicesCode, 0x020 },\r | |
40 | { EfiBootServicesCode, 0x0F0 },\r | |
41 | { EfiBootServicesData, 0xA00 },\r | |
42 | { EfiMaxMemoryType, 0x000 }\r | |
43 | };\r | |
44 | \r | |
45 | \r | |
46 | VOID\r | |
47 | AddIoMemoryBaseSizeHob (\r | |
48 | EFI_PHYSICAL_ADDRESS MemoryBase,\r | |
49 | UINT64 MemorySize\r | |
50 | )\r | |
51 | {\r | |
52 | STATIC EFI_RESOURCE_ATTRIBUTE_TYPE Attributes =\r | |
53 | (\r | |
54 | EFI_RESOURCE_ATTRIBUTE_PRESENT |\r | |
55 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
56 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |\r | |
57 | EFI_RESOURCE_ATTRIBUTE_TESTED\r | |
58 | );\r | |
59 | \r | |
60 | BuildResourceDescriptorHob (\r | |
61 | EFI_RESOURCE_MEMORY_MAPPED_IO,\r | |
62 | Attributes,\r | |
63 | MemoryBase,\r | |
64 | MemorySize\r | |
65 | );\r | |
66 | }\r | |
67 | \r | |
68 | \r | |
69 | VOID\r | |
70 | AddIoMemoryRangeHob (\r | |
71 | EFI_PHYSICAL_ADDRESS MemoryBase,\r | |
72 | EFI_PHYSICAL_ADDRESS MemoryLimit\r | |
73 | )\r | |
74 | {\r | |
75 | AddIoMemoryBaseSizeHob (MemoryBase, (UINT64)(MemoryLimit - MemoryBase));\r | |
76 | }\r | |
77 | \r | |
78 | \r | |
79 | VOID\r | |
80 | AddMemoryBaseSizeHob (\r | |
81 | EFI_PHYSICAL_ADDRESS MemoryBase,\r | |
82 | UINT64 MemorySize\r | |
83 | )\r | |
84 | {\r | |
85 | STATIC EFI_RESOURCE_ATTRIBUTE_TYPE Attributes =\r | |
86 | (\r | |
87 | EFI_RESOURCE_ATTRIBUTE_PRESENT |\r | |
88 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
89 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |\r | |
90 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |\r | |
91 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |\r | |
92 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE |\r | |
93 | EFI_RESOURCE_ATTRIBUTE_TESTED\r | |
94 | );\r | |
95 | \r | |
96 | BuildResourceDescriptorHob (\r | |
97 | EFI_RESOURCE_SYSTEM_MEMORY,\r | |
98 | Attributes,\r | |
99 | MemoryBase,\r | |
100 | MemorySize\r | |
101 | );\r | |
102 | }\r | |
103 | \r | |
104 | \r | |
105 | VOID\r | |
106 | AddMemoryRangeHob (\r | |
107 | EFI_PHYSICAL_ADDRESS MemoryBase,\r | |
108 | EFI_PHYSICAL_ADDRESS MemoryLimit\r | |
109 | )\r | |
110 | {\r | |
111 | AddMemoryBaseSizeHob (MemoryBase, (UINT64)(MemoryLimit - MemoryBase));\r | |
112 | }\r | |
113 | \r | |
114 | \r | |
115 | VOID\r | |
116 | MemMapInitialization (\r | |
117 | )\r | |
118 | {\r | |
119 | //\r | |
120 | // Create Memory Type Information HOB\r | |
121 | //\r | |
122 | BuildGuidDataHob (\r | |
123 | &gEfiMemoryTypeInformationGuid,\r | |
124 | mDefaultMemoryTypeInformation,\r | |
125 | sizeof(mDefaultMemoryTypeInformation)\r | |
126 | );\r | |
127 | \r | |
128 | //\r | |
129 | // Local APIC range\r | |
130 | //\r | |
131 | AddIoMemoryBaseSizeHob (0xFEC80000, 0x80000);\r | |
132 | \r | |
133 | //\r | |
134 | // I/O APIC range\r | |
135 | //\r | |
136 | AddIoMemoryBaseSizeHob (0xFEC00000, 0x80000);\r | |
137 | \r | |
138 | //\r | |
139 | // Video memory + Legacy BIOS region\r | |
140 | //\r | |
a4437ffd | 141 | AddIoMemoryRangeHob (0x0A0000, 0x100000);\r |
49ba9447 | 142 | }\r |
143 | \r | |
144 | \r | |
145 | VOID\r | |
146 | MiscInitialization (\r | |
147 | )\r | |
148 | {\r | |
149 | //\r | |
150 | // Disable A20 Mask\r | |
151 | //\r | |
152 | IoWrite8 (0x92, (UINT8) (IoRead8 (0x92) | 0x02));\r | |
153 | \r | |
154 | //\r | |
155 | // Build the CPU hob with 36-bit addressing and 16-bits of IO space.\r | |
156 | //\r | |
157 | BuildCpuHob (36, 16);\r | |
158 | }\r | |
159 | \r | |
160 | \r | |
77ba993c | 161 | VOID\r |
162 | ReserveEmuVariableNvStore (\r | |
163 | )\r | |
164 | {\r | |
165 | EFI_PHYSICAL_ADDRESS VariableStore;\r | |
166 | \r | |
167 | //\r | |
168 | // Allocate storage for NV variables early on so it will be\r | |
169 | // at a consistent address. Since VM memory is preserved\r | |
170 | // across reboots, this allows the NV variable storage to survive\r | |
171 | // a VM reboot.\r | |
172 | //\r | |
173 | VariableStore =\r | |
174 | (EFI_PHYSICAL_ADDRESS)(UINTN)\r | |
27f58ea1 | 175 | AllocateRuntimePool (\r |
29a3f139 | 176 | 2 * PcdGet32 (PcdFlashNvStorageFtwSpareSize)\r |
27f58ea1 | 177 | );\r |
77ba993c | 178 | DEBUG ((EFI_D_INFO,\r |
179 | "Reserved variable store memory: 0x%lX; size: %dkb\n",\r | |
180 | VariableStore,\r | |
29a3f139 | 181 | (2 * PcdGet32 (PcdFlashNvStorageFtwSpareSize)) / 1024\r |
77ba993c | 182 | ));\r |
183 | PcdSet64 (PcdEmuVariableNvStoreReserved, VariableStore);\r | |
184 | }\r | |
185 | \r | |
186 | \r | |
49ba9447 | 187 | /**\r |
188 | Perform Platform PEI initialization.\r | |
189 | \r | |
190 | @param FileHandle Handle of the file being invoked.\r | |
191 | @param PeiServices Describes the list of possible PEI Services.\r | |
192 | \r | |
193 | @return EFI_SUCCESS The PEIM initialized successfully.\r | |
194 | \r | |
195 | **/\r | |
196 | EFI_STATUS\r | |
197 | EFIAPI\r | |
198 | InitializePlatform (\r | |
199 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
200 | IN CONST EFI_PEI_SERVICES **PeiServices\r | |
201 | )\r | |
202 | {\r | |
203 | DEBUG ((EFI_D_ERROR, "Platform PEIM Loaded\n"));\r | |
204 | \r | |
205 | MemDetect ();\r | |
206 | \r | |
77ba993c | 207 | ReserveEmuVariableNvStore ();\r |
208 | \r | |
49ba9447 | 209 | PeiFvInitialization ();\r |
210 | \r | |
211 | MemMapInitialization ();\r | |
212 | \r | |
213 | MiscInitialization ();\r | |
214 | \r | |
215 | return EFI_SUCCESS;\r | |
216 | }\r | |
217 | \r |