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1/** @file\r
2 TPM Interface Specification definition.\r
3 It covers both TPM1.2 and TPM2.0.\r
4\r
5Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.<BR>\r
6SPDX-License-Identifier: BSD-2-Clause-Patent\r
7\r
8**/\r
9\r
10#ifndef _TPM_TIS_H_\r
11#define _TPM_TIS_H_\r
12\r
13//\r
14// Set structure alignment to 1-byte\r
15//\r
16#pragma pack (1)\r
17\r
18//\r
19// Register set map as specified in TIS specification Chapter 10\r
20//\r
21typedef struct {\r
22 ///\r
23 /// Used to gain ownership for this particular port.\r
24 ///\r
25 UINT8 Access; // 0\r
26 UINT8 Reserved1[7]; // 1\r
27 ///\r
28 /// Controls interrupts.\r
29 ///\r
30 UINT32 IntEnable; // 8\r
31 ///\r
32 /// SIRQ vector to be used by the TPM.\r
33 ///\r
34 UINT8 IntVector; // 0ch\r
35 UINT8 Reserved2[3]; // 0dh\r
36 ///\r
37 /// What caused interrupt.\r
38 ///\r
39 UINT32 IntSts; // 10h\r
40 ///\r
41 /// Shows which interrupts are supported by that particular TPM.\r
42 ///\r
43 UINT32 IntfCapability; // 14h\r
44 ///\r
45 /// Status Register. Provides status of the TPM.\r
46 ///\r
47 UINT8 Status; // 18h\r
48 ///\r
49 /// Number of consecutive writes that can be done to the TPM.\r
50 ///\r
51 UINT16 BurstCount; // 19h\r
52 UINT8 Reserved3[9];\r
53 ///\r
54 /// Read or write FIFO, depending on transaction.\r
55 ///\r
56 UINT32 DataFifo; // 24h\r
57 UINT8 Reserved4[0xed8]; // 28h\r
58 ///\r
59 /// Vendor ID\r
60 ///\r
61 UINT16 Vid; // 0f00h\r
62 ///\r
63 /// Device ID\r
64 ///\r
65 UINT16 Did; // 0f02h\r
66 ///\r
67 /// Revision ID\r
68 ///\r
69 UINT8 Rid; // 0f04h\r
70 UINT8 Reserved[0x7b]; // 0f05h\r
71 ///\r
72 /// Alias to I/O legacy space.\r
73 ///\r
74 UINT32 LegacyAddress1; // 0f80h\r
75 ///\r
76 /// Additional 8 bits for I/O legacy space extension.\r
77 ///\r
78 UINT32 LegacyAddress1Ex; // 0f84h\r
79 ///\r
80 /// Alias to second I/O legacy space.\r
81 ///\r
82 UINT32 LegacyAddress2; // 0f88h\r
83 ///\r
84 /// Additional 8 bits for second I/O legacy space extension.\r
85 ///\r
86 UINT32 LegacyAddress2Ex; // 0f8ch\r
87 ///\r
88 /// Vendor-defined configuration registers.\r
89 ///\r
90 UINT8 VendorDefined[0x70]; // 0f90h\r
91} TIS_PC_REGISTERS;\r
92\r
93//\r
94// Restore original structure alignment\r
95//\r
96#pragma pack ()\r
97\r
98//\r
99// Define pointer types used to access TIS registers on PC\r
100//\r
101typedef TIS_PC_REGISTERS *TIS_PC_REGISTERS_PTR;\r
102\r
103//\r
104// Define bits of ACCESS and STATUS registers\r
105//\r
106\r
107///\r
108/// This bit is a 1 to indicate that the other bits in this register are valid.\r
109///\r
110#define TIS_PC_VALID BIT7\r
111///\r
112/// Indicate that this locality is active.\r
113///\r
114#define TIS_PC_ACC_ACTIVE BIT5\r
115///\r
116/// Set to 1 to indicate that this locality had the TPM taken away while\r
117/// this locality had the TIS_PC_ACC_ACTIVE bit set.\r
118///\r
119#define TIS_PC_ACC_SEIZED BIT4\r
120///\r
121/// Set to 1 to indicate that TPM MUST reset the\r
122/// TIS_PC_ACC_ACTIVE bit and remove ownership for localities less than the\r
123/// locality that is writing this bit.\r
124///\r
125#define TIS_PC_ACC_SEIZE BIT3\r
126///\r
127/// When this bit is 1, another locality is requesting usage of the TPM.\r
128///\r
129#define TIS_PC_ACC_PENDIND BIT2\r
130///\r
131/// Set to 1 to indicate that this locality is requesting to use TPM.\r
132///\r
133#define TIS_PC_ACC_RQUUSE BIT1\r
134///\r
135/// A value of 1 indicates that a T/OS has not been established on the platform\r
136///\r
137#define TIS_PC_ACC_ESTABLISH BIT0\r
138\r
139///\r
140/// Write a 1 to this bit to notify TPM to cancel currently executing command\r
141///\r
142#define TIS_PC_STS_CANCEL BIT24\r
143///\r
144/// This field indicates that STS_DATA and STS_EXPECT are valid\r
145///\r
146#define TIS_PC_STS_VALID BIT7\r
147///\r
148/// When this bit is 1, TPM is in the Ready state,\r
149/// indicating it is ready to receive a new command.\r
150///\r
151#define TIS_PC_STS_READY BIT6\r
152///\r
153/// Write a 1 to this bit to cause the TPM to execute that command.\r
154///\r
155#define TIS_PC_STS_GO BIT5\r
156///\r
157/// This bit indicates that the TPM has data available as a response.\r
158///\r
159#define TIS_PC_STS_DATA BIT4\r
160///\r
161/// The TPM sets this bit to a value of 1 when it expects another byte of data for a command.\r
162///\r
163#define TIS_PC_STS_EXPECT BIT3\r
164///\r
165/// Indicates that the TPM has completed all self-test actions following a TPM_ContinueSelfTest command.\r
166///\r
167#define TIS_PC_STS_SELFTEST_DONE BIT2\r
168///\r
169/// Writes a 1 to this bit to force the TPM to re-send the response.\r
170///\r
171#define TIS_PC_STS_RETRY BIT1\r
172\r
173//\r
174// Default TimeOut value\r
175//\r
176#define TIS_TIMEOUT_A (750 * 1000) // 750ms\r
177#define TIS_TIMEOUT_B (2000 * 1000) // 2s\r
178#define TIS_TIMEOUT_C (750 * 1000) // 750ms\r
179#define TIS_TIMEOUT_D (750 * 1000) // 750ms\r
180\r
181#endif\r