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1 | /**@file\r | |
2 | Platform PEI driver\r | |
3 | \r | |
4 | Copyright (c) 2006 - 2009, Intel Corporation\r | |
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 | |
26 | #include <Library/PciLib.h>\r | |
27 | #include <Library/PeimEntryPoint.h>\r | |
28 | #include <Library/ResourcePublicationLib.h>\r | |
29 | #include <Guid/MemoryTypeInformation.h>\r | |
30 | \r | |
31 | #include "Platform.h"\r | |
32 | \r | |
33 | EFI_MEMORY_TYPE_INFORMATION mDefaultMemoryTypeInformation[] = {\r | |
34 | { EfiACPIMemoryNVS, 0x004 },\r | |
35 | { EfiACPIReclaimMemory, 0x01C },\r | |
36 | { EfiRuntimeServicesData, 0x050 },\r | |
37 | { EfiRuntimeServicesCode, 0x020 },\r | |
38 | { EfiBootServicesCode, 0x0F0 },\r | |
39 | { EfiBootServicesData, 0xA00 },\r | |
40 | { EfiMaxMemoryType, 0x000 }\r | |
41 | };\r | |
42 | \r | |
43 | \r | |
44 | VOID\r | |
45 | AddIoMemoryBaseSizeHob (\r | |
46 | EFI_PHYSICAL_ADDRESS MemoryBase,\r | |
47 | UINT64 MemorySize\r | |
48 | )\r | |
49 | {\r | |
50 | STATIC EFI_RESOURCE_ATTRIBUTE_TYPE Attributes =\r | |
51 | (\r | |
52 | EFI_RESOURCE_ATTRIBUTE_PRESENT |\r | |
53 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
54 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |\r | |
55 | EFI_RESOURCE_ATTRIBUTE_TESTED\r | |
56 | );\r | |
57 | \r | |
58 | BuildResourceDescriptorHob (\r | |
59 | EFI_RESOURCE_MEMORY_MAPPED_IO,\r | |
60 | Attributes,\r | |
61 | MemoryBase,\r | |
62 | MemorySize\r | |
63 | );\r | |
64 | }\r | |
65 | \r | |
66 | \r | |
67 | VOID\r | |
68 | AddIoMemoryRangeHob (\r | |
69 | EFI_PHYSICAL_ADDRESS MemoryBase,\r | |
70 | EFI_PHYSICAL_ADDRESS MemoryLimit\r | |
71 | )\r | |
72 | {\r | |
73 | AddIoMemoryBaseSizeHob (MemoryBase, (UINT64)(MemoryLimit - MemoryBase));\r | |
74 | }\r | |
75 | \r | |
76 | \r | |
77 | VOID\r | |
78 | AddMemoryBaseSizeHob (\r | |
79 | EFI_PHYSICAL_ADDRESS MemoryBase,\r | |
80 | UINT64 MemorySize\r | |
81 | )\r | |
82 | {\r | |
83 | STATIC EFI_RESOURCE_ATTRIBUTE_TYPE Attributes =\r | |
84 | (\r | |
85 | EFI_RESOURCE_ATTRIBUTE_PRESENT |\r | |
86 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
87 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |\r | |
88 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |\r | |
89 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |\r | |
90 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE |\r | |
91 | EFI_RESOURCE_ATTRIBUTE_TESTED\r | |
92 | );\r | |
93 | \r | |
94 | BuildResourceDescriptorHob (\r | |
95 | EFI_RESOURCE_SYSTEM_MEMORY,\r | |
96 | Attributes,\r | |
97 | MemoryBase,\r | |
98 | MemorySize\r | |
99 | );\r | |
100 | }\r | |
101 | \r | |
102 | \r | |
103 | VOID\r | |
104 | AddMemoryRangeHob (\r | |
105 | EFI_PHYSICAL_ADDRESS MemoryBase,\r | |
106 | EFI_PHYSICAL_ADDRESS MemoryLimit\r | |
107 | )\r | |
108 | {\r | |
109 | AddMemoryBaseSizeHob (MemoryBase, (UINT64)(MemoryLimit - MemoryBase));\r | |
110 | }\r | |
111 | \r | |
112 | \r | |
113 | VOID\r | |
114 | MemMapInitialization (\r | |
115 | )\r | |
116 | {\r | |
117 | //\r | |
118 | // Create Memory Type Information HOB\r | |
119 | //\r | |
120 | BuildGuidDataHob (\r | |
121 | &gEfiMemoryTypeInformationGuid,\r | |
122 | mDefaultMemoryTypeInformation,\r | |
123 | sizeof(mDefaultMemoryTypeInformation)\r | |
124 | );\r | |
125 | \r | |
126 | //\r | |
127 | // Local APIC range\r | |
128 | //\r | |
129 | AddIoMemoryBaseSizeHob (0xFEC80000, 0x80000);\r | |
130 | \r | |
131 | //\r | |
132 | // I/O APIC range\r | |
133 | //\r | |
134 | AddIoMemoryBaseSizeHob (0xFEC00000, 0x80000);\r | |
135 | \r | |
136 | //\r | |
137 | // Video memory + Legacy BIOS region\r | |
138 | //\r | |
139 | AddMemoryRangeHob (0x0A0000, 0x0B0000);\r | |
140 | AddIoMemoryRangeHob (0x0B0000, 0x100000);\r | |
141 | }\r | |
142 | \r | |
143 | \r | |
144 | VOID\r | |
145 | MiscInitialization (\r | |
146 | )\r | |
147 | {\r | |
148 | //\r | |
149 | // Disable A20 Mask\r | |
150 | //\r | |
151 | IoWrite8 (0x92, (UINT8) (IoRead8 (0x92) | 0x02));\r | |
152 | \r | |
153 | //\r | |
154 | // Build the CPU hob with 36-bit addressing and 16-bits of IO space.\r | |
155 | //\r | |
156 | BuildCpuHob (36, 16);\r | |
157 | }\r | |
158 | \r | |
159 | \r | |
160 | /**\r | |
161 | Perform Platform PEI initialization.\r | |
162 | \r | |
163 | @param FileHandle Handle of the file being invoked.\r | |
164 | @param PeiServices Describes the list of possible PEI Services.\r | |
165 | \r | |
166 | @return EFI_SUCCESS The PEIM initialized successfully.\r | |
167 | \r | |
168 | **/\r | |
169 | EFI_STATUS\r | |
170 | EFIAPI\r | |
171 | InitializePlatform (\r | |
172 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
173 | IN CONST EFI_PEI_SERVICES **PeiServices\r | |
174 | )\r | |
175 | {\r | |
176 | DEBUG ((EFI_D_ERROR, "Platform PEIM Loaded\n"));\r | |
177 | \r | |
178 | MemDetect ();\r | |
179 | \r | |
180 | PeiFvInitialization ();\r | |
181 | \r | |
182 | MemMapInitialization ();\r | |
183 | \r | |
184 | MiscInitialization ();\r | |
185 | \r | |
186 | return EFI_SUCCESS;\r | |
187 | }\r | |
188 | \r |