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1 | /** @file\r |
2 | Provide FSP platform information related function.\r | |
3 | \r | |
4 | Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>\r | |
5 | 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 | #ifndef __FSP_PLATFORM_INFO_LIB_H__\r | |
16 | #define __FSP_PLATFORM_INFO_LIB_H__\r | |
17 | \r | |
18 | /**\r | |
19 | Get current boot mode.\r | |
20 | \r | |
21 | @note At this point, memory is ready, PeiServices are NOT available to use.\r | |
22 | Platform can get some data from chipset register.\r | |
23 | \r | |
24 | @return BootMode current boot mode.\r | |
25 | **/\r | |
26 | UINT32\r | |
27 | EFIAPI\r | |
28 | GetBootMode (\r | |
29 | VOID\r | |
30 | );\r | |
31 | \r | |
32 | /**\r | |
33 | Get NVS buffer parameter.\r | |
34 | \r | |
35 | @note At this point, memory is NOT ready, PeiServices are available to use.\r | |
36 | \r | |
37 | @return NvsBuffer NVS buffer parameter.\r | |
38 | **/\r | |
39 | VOID *\r | |
40 | EFIAPI\r | |
41 | GetNvsBuffer (\r | |
42 | VOID\r | |
43 | );\r | |
44 | \r | |
45 | /**\r | |
46 | Get UPD region size.\r | |
47 | \r | |
48 | @note At this point, memory is NOT ready, PeiServices are available to use.\r | |
49 | \r | |
50 | @return UPD region size.\r | |
51 | **/\r | |
52 | UINT32\r | |
53 | EFIAPI\r | |
54 | GetUpdRegionSize (\r | |
55 | VOID\r | |
56 | );\r | |
57 | \r | |
58 | /**\r | |
59 | This function overrides the default configurations in the UPD data region.\r | |
60 | \r | |
61 | @param[in,out] FspUpdRgnPtr A pointer to the UPD data region data strcture.\r | |
62 | \r | |
63 | @return FspUpdRgnPtr A pointer to the UPD data region data strcture.\r | |
64 | **/\r | |
65 | VOID *\r | |
66 | EFIAPI\r | |
67 | UpdateFspUpdConfigs (\r | |
68 | IN OUT VOID *FspUpdRgnPtr\r | |
69 | );\r | |
70 | \r | |
71 | /**\r | |
72 | Get S3 PEI memory information.\r | |
73 | \r | |
74 | @note At this point, memory is ready, and PeiServices are available to use.\r | |
75 | Platform can get some data from SMRAM directly.\r | |
76 | \r | |
77 | @param[out] S3PeiMemSize PEI memory size to be installed in S3 phase.\r | |
78 | @param[out] S3PeiMemBase PEI memory base to be installed in S3 phase.\r | |
79 | \r | |
80 | @return If S3 PEI memory information is got successfully.\r | |
81 | **/\r | |
82 | EFI_STATUS\r | |
83 | EFIAPI\r | |
84 | GetS3MemoryInfo (\r | |
85 | OUT UINT64 *S3PeiMemSize,\r | |
86 | OUT EFI_PHYSICAL_ADDRESS *S3PeiMemBase\r | |
87 | );\r | |
88 | \r | |
89 | /**\r | |
90 | Get stack information according to boot mode.\r | |
91 | \r | |
92 | @note If BootMode is BOOT_ON_S3_RESUME or BOOT_ON_FLASH_UPDATE,\r | |
93 | this stack should be in some reserved memory space.\r | |
94 | \r | |
95 | @note If FspInitDone is TRUE, memory is ready, but no PeiServices there.\r | |
96 | Platform can get some data from SMRAM directly.\r | |
97 | @note If FspInitDone is FALSE, memory is NOT ready, but PeiServices are available to use.\r | |
98 | Platform can get some data from variable via VariablePpi.\r | |
99 | \r | |
100 | @param[in] BootMode Current boot mode.\r | |
101 | @param[in] FspInitDone If FspInit is called.\r | |
102 | @param[out] StackSize Stack size to be used in PEI phase.\r | |
103 | @param[out] StackBase Stack base to be used in PEI phase.\r | |
104 | \r | |
105 | @return If Stack information is got successfully.\r | |
106 | **/\r | |
107 | EFI_STATUS\r | |
108 | EFIAPI\r | |
109 | GetStackInfo (\r | |
110 | IN UINT32 BootMode,\r | |
111 | IN BOOLEAN FspInitDone,\r | |
112 | OUT UINT64 *StackSize,\r | |
113 | OUT EFI_PHYSICAL_ADDRESS *StackBase\r | |
114 | );\r | |
115 | \r | |
116 | #endif\r |