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49ba9447 | 1 | /**@file\r |
2 | Platform PEI driver\r | |
3 | \r | |
56d7640a HT |
4 | Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r |
5 | This program and the accompanying materials\r | |
49ba9447 | 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 | |
991d9563 | 37 | { EfiACPIReclaimMemory, 0x008 },\r |
55cdb67a | 38 | { EfiReservedMemoryType, 0x004 },\r |
991d9563 | 39 | { EfiRuntimeServicesData, 0x024 },\r |
40 | { EfiRuntimeServicesCode, 0x030 },\r | |
41 | { EfiBootServicesCode, 0x180 },\r | |
42 | { EfiBootServicesData, 0xF00 },\r | |
49ba9447 | 43 | { EfiMaxMemoryType, 0x000 }\r |
44 | };\r | |
45 | \r | |
46 | \r | |
47 | VOID\r | |
48 | AddIoMemoryBaseSizeHob (\r | |
49 | EFI_PHYSICAL_ADDRESS MemoryBase,\r | |
50 | UINT64 MemorySize\r | |
51 | )\r | |
52 | {\r | |
991d9563 | 53 | BuildResourceDescriptorHob (\r |
54 | EFI_RESOURCE_MEMORY_MAPPED_IO,\r | |
49ba9447 | 55 | EFI_RESOURCE_ATTRIBUTE_PRESENT |\r |
56 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
57 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |\r | |
991d9563 | 58 | EFI_RESOURCE_ATTRIBUTE_TESTED,\r |
49ba9447 | 59 | MemoryBase,\r |
60 | MemorySize\r | |
61 | );\r | |
62 | }\r | |
63 | \r | |
64 | \r | |
65 | VOID\r | |
66 | AddIoMemoryRangeHob (\r | |
67 | EFI_PHYSICAL_ADDRESS MemoryBase,\r | |
68 | EFI_PHYSICAL_ADDRESS MemoryLimit\r | |
69 | )\r | |
70 | {\r | |
71 | AddIoMemoryBaseSizeHob (MemoryBase, (UINT64)(MemoryLimit - MemoryBase));\r | |
72 | }\r | |
73 | \r | |
74 | \r | |
75 | VOID\r | |
76 | AddMemoryBaseSizeHob (\r | |
77 | EFI_PHYSICAL_ADDRESS MemoryBase,\r | |
78 | UINT64 MemorySize\r | |
79 | )\r | |
80 | {\r | |
991d9563 | 81 | BuildResourceDescriptorHob (\r |
82 | EFI_RESOURCE_SYSTEM_MEMORY,\r | |
49ba9447 | 83 | EFI_RESOURCE_ATTRIBUTE_PRESENT |\r |
84 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
85 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |\r | |
86 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |\r | |
87 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |\r | |
88 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE |\r | |
991d9563 | 89 | EFI_RESOURCE_ATTRIBUTE_TESTED,\r |
49ba9447 | 90 | MemoryBase,\r |
91 | MemorySize\r | |
92 | );\r | |
93 | }\r | |
94 | \r | |
95 | \r | |
96 | VOID\r | |
97 | AddMemoryRangeHob (\r | |
98 | EFI_PHYSICAL_ADDRESS MemoryBase,\r | |
99 | EFI_PHYSICAL_ADDRESS MemoryLimit\r | |
100 | )\r | |
101 | {\r | |
102 | AddMemoryBaseSizeHob (MemoryBase, (UINT64)(MemoryLimit - MemoryBase));\r | |
103 | }\r | |
104 | \r | |
49ba9447 | 105 | VOID\r |
106 | MemMapInitialization (\r | |
55cdb67a | 107 | EFI_PHYSICAL_ADDRESS TopOfMemory\r |
49ba9447 | 108 | )\r |
109 | {\r | |
110 | //\r | |
111 | // Create Memory Type Information HOB\r | |
112 | //\r | |
113 | BuildGuidDataHob (\r | |
114 | &gEfiMemoryTypeInformationGuid,\r | |
115 | mDefaultMemoryTypeInformation,\r | |
116 | sizeof(mDefaultMemoryTypeInformation)\r | |
117 | );\r | |
118 | \r | |
991d9563 | 119 | //\r |
120 | // Add PCI IO Port space available for PCI resource allocations.\r | |
121 | //\r | |
122 | BuildResourceDescriptorHob (\r | |
123 | EFI_RESOURCE_IO,\r | |
124 | EFI_RESOURCE_ATTRIBUTE_PRESENT |\r | |
125 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED,\r | |
126 | 0x1000,\r | |
127 | 0xF000\r | |
128 | );\r | |
129 | \r | |
130 | //\r | |
131 | // Add PCI MMIO space available to PCI resource allocations\r | |
132 | //\r | |
55cdb67a | 133 | if (TopOfMemory < BASE_2GB) {\r |
134 | AddIoMemoryBaseSizeHob (BASE_2GB, 0xFEC00000 - BASE_2GB);\r | |
135 | } else {\r | |
136 | AddIoMemoryBaseSizeHob (TopOfMemory, 0xFEC00000 - TopOfMemory);\r | |
137 | }\r | |
991d9563 | 138 | \r |
49ba9447 | 139 | //\r |
140 | // Local APIC range\r | |
141 | //\r | |
55cdb67a | 142 | AddIoMemoryBaseSizeHob (0xFEC80000, SIZE_512KB);\r |
49ba9447 | 143 | \r |
144 | //\r | |
145 | // I/O APIC range\r | |
146 | //\r | |
55cdb67a | 147 | AddIoMemoryBaseSizeHob (0xFEC00000, SIZE_512KB);\r |
49ba9447 | 148 | \r |
149 | //\r | |
150 | // Video memory + Legacy BIOS region\r | |
151 | //\r | |
55cdb67a | 152 | AddIoMemoryRangeHob (0x0A0000, BASE_1MB);\r |
49ba9447 | 153 | }\r |
154 | \r | |
155 | \r | |
156 | VOID\r | |
157 | MiscInitialization (\r | |
158 | )\r | |
159 | {\r | |
160 | //\r | |
161 | // Disable A20 Mask\r | |
162 | //\r | |
55cdb67a | 163 | IoOr8 (0x92, BIT1);\r |
49ba9447 | 164 | \r |
165 | //\r | |
166 | // Build the CPU hob with 36-bit addressing and 16-bits of IO space.\r | |
167 | //\r | |
168 | BuildCpuHob (36, 16);\r | |
169 | }\r | |
170 | \r | |
171 | \r | |
77ba993c | 172 | VOID\r |
173 | ReserveEmuVariableNvStore (\r | |
174 | )\r | |
175 | {\r | |
176 | EFI_PHYSICAL_ADDRESS VariableStore;\r | |
177 | \r | |
178 | //\r | |
179 | // Allocate storage for NV variables early on so it will be\r | |
180 | // at a consistent address. Since VM memory is preserved\r | |
181 | // across reboots, this allows the NV variable storage to survive\r | |
182 | // a VM reboot.\r | |
183 | //\r | |
184 | VariableStore =\r | |
185 | (EFI_PHYSICAL_ADDRESS)(UINTN)\r | |
27f58ea1 | 186 | AllocateRuntimePool (\r |
29a3f139 | 187 | 2 * PcdGet32 (PcdFlashNvStorageFtwSpareSize)\r |
27f58ea1 | 188 | );\r |
77ba993c | 189 | DEBUG ((EFI_D_INFO,\r |
190 | "Reserved variable store memory: 0x%lX; size: %dkb\n",\r | |
191 | VariableStore,\r | |
29a3f139 | 192 | (2 * PcdGet32 (PcdFlashNvStorageFtwSpareSize)) / 1024\r |
77ba993c | 193 | ));\r |
194 | PcdSet64 (PcdEmuVariableNvStoreReserved, VariableStore);\r | |
195 | }\r | |
196 | \r | |
197 | \r | |
49ba9447 | 198 | /**\r |
199 | Perform Platform PEI initialization.\r | |
200 | \r | |
201 | @param FileHandle Handle of the file being invoked.\r | |
202 | @param PeiServices Describes the list of possible PEI Services.\r | |
203 | \r | |
204 | @return EFI_SUCCESS The PEIM initialized successfully.\r | |
205 | \r | |
206 | **/\r | |
207 | EFI_STATUS\r | |
208 | EFIAPI\r | |
209 | InitializePlatform (\r | |
210 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
211 | IN CONST EFI_PEI_SERVICES **PeiServices\r | |
212 | )\r | |
213 | {\r | |
55cdb67a | 214 | EFI_PHYSICAL_ADDRESS TopOfMemory;\r |
215 | \r | |
49ba9447 | 216 | DEBUG ((EFI_D_ERROR, "Platform PEIM Loaded\n"));\r |
217 | \r | |
55cdb67a | 218 | TopOfMemory = MemDetect ();\r |
49ba9447 | 219 | \r |
77ba993c | 220 | ReserveEmuVariableNvStore ();\r |
221 | \r | |
49ba9447 | 222 | PeiFvInitialization ();\r |
223 | \r | |
55cdb67a | 224 | MemMapInitialization (TopOfMemory);\r |
49ba9447 | 225 | \r |
226 | MiscInitialization ();\r | |
227 | \r | |
228 | return EFI_SUCCESS;\r | |
229 | }\r |