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afdfe8f0 | 1 | /**@file\r |
2 | \r | |
3 | Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r | |
4 | This program and the accompanying materials \r | |
5 | are licensed and made available under the terms and conditions of the BSD License \r | |
6 | which accompanies this distribution. The full text of the license may be found at \r | |
7 | http://opensource.org/licenses/bsd-license.php \r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | MemoryInit.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | PEIM to provide fake memory init\r | |
19 | \r | |
20 | **/\r | |
21 | \r | |
22 | \r | |
23 | \r | |
24 | //\r | |
25 | // The package level header files this module uses\r | |
26 | //\r | |
27 | #include <PiPei.h>\r | |
28 | //\r | |
29 | // The protocols, PPI and GUID defintions for this module\r | |
30 | //\r | |
31 | \r | |
32 | //\r | |
33 | // The Library classes this module consumes\r | |
34 | //\r | |
35 | #include <Library/DebugLib.h>\r | |
36 | #include <Library/PeimEntryPoint.h>\r | |
37 | #include <Library/PcdLib.h>\r | |
38 | #include <Library/HobLib.h>\r | |
39 | #include <Library/ArmLib.h>\r | |
40 | \r | |
41 | //\r | |
42 | // Module globals\r | |
43 | //\r | |
44 | \r | |
45 | #define DDR_ATTRIBUTES_CACHED ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK\r | |
46 | #define DDR_ATTRIBUTES_UNCACHED ARM_MEMORY_REGION_ATTRIBUTE_UNCACHED_UNBUFFERED\r | |
47 | \r | |
48 | VOID\r | |
49 | JamArmMmuConfig ( VOID )\r | |
50 | {\r | |
51 | UINT32 CacheAttributes;\r | |
52 | ARM_MEMORY_REGION_DESCRIPTOR MemoryTable[3];\r | |
53 | VOID *TranslationTableBase;\r | |
54 | UINTN TranslationTableSize;\r | |
55 | \r | |
56 | if (FeaturePcdGet(PcdCacheEnable) == TRUE) {\r | |
57 | CacheAttributes = DDR_ATTRIBUTES_CACHED;\r | |
58 | } else {\r | |
59 | CacheAttributes = DDR_ATTRIBUTES_UNCACHED;\r | |
60 | }\r | |
61 | \r | |
62 | // DDR\r | |
63 | MemoryTable[0].PhysicalBase = 0;\r | |
64 | MemoryTable[0].VirtualBase = 0;\r | |
65 | MemoryTable[0].Length = 0x10000000;\r | |
66 | MemoryTable[0].Attributes = (ARM_MEMORY_REGION_ATTRIBUTES)CacheAttributes;\r | |
67 | \r | |
68 | // SOC Registers. L3 interconnects\r | |
69 | MemoryTable[1].PhysicalBase = 0x10000000;\r | |
70 | MemoryTable[1].VirtualBase = 0x10000000;\r | |
71 | MemoryTable[1].Length = 0xF0000000;\r | |
72 | MemoryTable[1].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;\r | |
73 | \r | |
74 | // End of Table\r | |
75 | MemoryTable[2].PhysicalBase = 0;\r | |
76 | MemoryTable[2].VirtualBase = 0;\r | |
77 | MemoryTable[2].Length = 0;\r | |
78 | MemoryTable[2].Attributes = (ARM_MEMORY_REGION_ATTRIBUTES)0;\r | |
79 | \r | |
80 | ArmConfigureMmu (MemoryTable, &TranslationTableBase, &TranslationTableSize);\r | |
81 | \r | |
82 | BuildMemoryAllocationHob((EFI_PHYSICAL_ADDRESS)(UINTN)TranslationTableBase, TranslationTableSize, EfiBootServicesData);\r | |
83 | }\r | |
84 | \r | |
85 | \r | |
86 | EFI_STATUS\r | |
87 | EFIAPI\r | |
88 | InitializeCpuPeim (\r | |
89 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
90 | IN CONST EFI_PEI_SERVICES **PeiServices\r | |
91 | )\r | |
92 | /*++\r | |
93 | \r | |
94 | Routine Description:\r | |
95 | \r | |
96 | \r | |
97 | \r | |
98 | Arguments:\r | |
99 | \r | |
100 | FileHandle - Handle of the file being invoked.\r | |
101 | PeiServices - Describes the list of possible PEI Services.\r | |
102 | \r | |
103 | Returns:\r | |
104 | \r | |
105 | Status - EFI_SUCCESS if the boot mode could be set\r | |
106 | \r | |
107 | --*/\r | |
108 | {\r | |
109 | // Enable program flow prediction, if supported.\r | |
110 | ArmEnableBranchPrediction ();\r | |
111 | \r | |
112 | JamArmMmuConfig();\r | |
113 | \r | |
114 | return EFI_SUCCESS;\r | |
115 | }\r |