49ba9447 |
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 |