1 /** @file
2   Intel FSP Header File definition from Intel Firmware Support Package External
3   Architecture Specification v2.0 and above.
4 
5   Copyright (c) 2014 - 2020, Intel Corporation. All rights reserved.<BR>
6   SPDX-License-Identifier: BSD-2-Clause-Patent
7 
8 **/
9 
10 #ifndef __FSP_HEADER_FILE_H__
11 #define __FSP_HEADER_FILE_H__
12 
13 #define FSP_HEADER_REVISION_3   3
14 
15 #define FSPE_HEADER_REVISION_1  1
16 #define FSPP_HEADER_REVISION_1  1
17 
18 ///
19 /// Fixed FSP header offset in the FSP image
20 ///
21 #define FSP_INFO_HEADER_OFF    0x94
22 
23 #define OFFSET_IN_FSP_INFO_HEADER(x)  (UINT32)&((FSP_INFO_HEADER *)(UINTN)0)->x
24 
25 #define FSP_INFO_HEADER_SIGNATURE  SIGNATURE_32 ('F', 'S', 'P', 'H')
26 
27 #define FSP_SIG         0x48505346      /* 'FSPH' */
28 
29 #pragma pack(1)
30 
31 ///
32 /// FSP Information Header as described in FSP v2.0 Spec section 5.1.1.
33 ///
34 typedef struct {
35   ///
36   /// Byte 0x00: Signature ('FSPH') for the FSP Information Header.
37   ///
38   UINT32  Signature;
39   ///
40   /// Byte 0x04: Length of the FSP Information Header.
41   ///
42   UINT32  HeaderLength;
43   ///
44   /// Byte 0x08: Reserved.
45   ///
46   UINT8   Reserved1[2];
47   ///
48   /// Byte 0x0A: Indicates compliance with a revision of this specification in the BCD format.
49   ///
50   UINT8   SpecVersion;
51   ///
52   /// Byte 0x0B: Revision of the FSP Information Header.
53   ///
54   UINT8   HeaderRevision;
55   ///
56   /// Byte 0x0C: Revision of the FSP binary.
57   ///
58   UINT32  ImageRevision;
59   ///
60   /// Byte 0x10: Signature string that will help match the FSP Binary to a supported HW configuration.
61   ///
62   CHAR8   ImageId[8];
63   ///
64   /// Byte 0x18: Size of the entire FSP binary.
65   ///
66   UINT32  ImageSize;
67   ///
68   /// Byte 0x1C: FSP binary preferred base address.
69   ///
70   UINT32  ImageBase;
71   ///
72   /// Byte 0x20: Attribute for the FSP binary.
73   ///
74   UINT16  ImageAttribute;
75   ///
76   /// Byte 0x22: Attributes of the FSP Component.
77   ///
78   UINT16  ComponentAttribute;
79   ///
80   /// Byte 0x24: Offset of the FSP configuration region.
81   ///
82   UINT32  CfgRegionOffset;
83   ///
84   /// Byte 0x28: Size of the FSP configuration region.
85   ///
86   UINT32  CfgRegionSize;
87   ///
88   /// Byte 0x2C: Reserved2.
89   ///
90   UINT32  Reserved2;
91   ///
92   /// Byte 0x30: The offset for the API to setup a temporary stack till the memory is initialized.
93   ///
94   UINT32  TempRamInitEntryOffset;
95   ///
96   /// Byte 0x34: Reserved3.
97   ///
98   UINT32  Reserved3;
99   ///
100   /// Byte 0x38: The offset for the API to inform the FSP about the different stages in the boot process.
101   ///
102   UINT32  NotifyPhaseEntryOffset;
103   ///
104   /// Byte 0x3C: The offset for the API to initialize the memory.
105   ///
106   UINT32  FspMemoryInitEntryOffset;
107   ///
108   /// Byte 0x40: The offset for the API to tear down temporary RAM.
109   ///
110   UINT32  TempRamExitEntryOffset;
111   ///
112   /// Byte 0x44: The offset for the API to initialize the CPU and chipset.
113   ///
114   UINT32  FspSiliconInitEntryOffset;
115   ///
116   /// Byte 0x48: Offset for the API for the optional Multi-Phase processor and chipset initialization.
117   ///            This value is only valid if FSP HeaderRevision is >= 5.
118   ///            If the value is set to 0x00000000, then this API is not available in this component.
119   ///
120   UINT32  FspMultiPhaseSiInitEntryOffset;
121 } FSP_INFO_HEADER;
122 
123 ///
124 /// Signature of the FSP Extended Header
125 ///
126 #define FSP_INFO_EXTENDED_HEADER_SIGNATURE  SIGNATURE_32 ('F', 'S', 'P', 'E')
127 
128 ///
129 /// FSP Information Extended Header as described in FSP v2.0 Spec section 5.1.2.
130 ///
131 typedef struct {
132   ///
133   /// Byte 0x00: Signature ('FSPE') for the FSP Extended Information Header.
134   ///
135   UINT32  Signature;
136   ///
137   /// Byte 0x04: Length of the table in bytes, including all additional FSP producer defined data.
138   ///
139   UINT32  Length;
140   ///
141   /// Byte 0x08: FSP producer defined revision of the table.
142   ///
143   UINT8   Revision;
144   ///
145   /// Byte 0x09: Reserved for future use.
146   ///
147   UINT8   Reserved;
148   ///
149   /// Byte 0x0A: FSP producer identification string
150   ///
151   CHAR8   FspProducerId[6];
152   ///
153   /// Byte 0x10: FSP producer implementation revision number. Larger numbers are assumed to be newer revisions.
154   ///
155   UINT32  FspProducerRevision;
156   ///
157   /// Byte 0x14: Size of the FSP producer defined data (n) in bytes.
158   ///
159   UINT32  FspProducerDataSize;
160   ///
161   /// Byte 0x18: FSP producer defined data of size (n) defined by FspProducerDataSize.
162   ///
163 } FSP_INFO_EXTENDED_HEADER;
164 
165 //
166 // A generic table search algorithm for additional tables can be implemented with a
167 // signature search algorithm until a terminator signature 'FSPP' is found.
168 //
169 #define FSP_FSPP_SIGNATURE  SIGNATURE_32 ('F', 'S', 'P', 'P')
170 #define FSP_PATCH_TABLE_SIGNATURE  FSP_FSPP_SIGNATURE
171 
172 ///
173 /// FSP Patch Table as described in FSP v2.0 Spec section 5.1.5.
174 ///
175 typedef struct {
176   ///
177   /// Byte 0x00: FSP Patch Table Signature "FSPP".
178   ///
179   UINT32  Signature;
180   ///
181   /// Byte 0x04: Size including the PatchData.
182   ///
183   UINT16  HeaderLength;
184   ///
185   /// Byte 0x06: Revision is set to 0x01.
186   ///
187   UINT8   HeaderRevision;
188   ///
189   /// Byte 0x07: Reserved for future use.
190   ///
191   UINT8   Reserved;
192   ///
193   /// Byte 0x08: Number of entries to Patch.
194   ///
195   UINT32  PatchEntryNum;
196   ///
197   /// Byte 0x0C: Patch Data.
198   ///
199 //UINT32  PatchData[];
200 } FSP_PATCH_TABLE;
201 
202 #pragma pack()
203 
204 extern EFI_GUID gFspHeaderFileGuid;
205 
206 #endif
207