1/* $NetBSD: tpmreg.h,v 1.3 2012/01/23 04:12:26 christos Exp $ */
2
3/*
4 * Copyright (c) 2008, 2009 Michael Shalayeff
5 * Copyright (c) 2009, 2010 Hans-Jörg Höxer
6 * All rights reserved.
7 *
8 * Permission to use, copy, modify, and distribute this software for any
9 * purpose with or without fee is hereby granted, provided that the above
10 * copyright notice and this permission notice appear in all copies.
11 *
12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
16 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER IN
17 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
18 * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19 */
20
21#define TPM_BUFSIZ 1024
22
23#define TPM_HDRSIZE 10
24
25#define TPM_PARAM_SIZE 0x0001
26
27#define TPM_ACCESS 0x0000 /* access register */
28#define TPM_ACCESS_ESTABLISHMENT 0x01 /* establishment */
29#define TPM_ACCESS_REQUEST_USE 0x02 /* request using locality */
30#define TPM_ACCESS_REQUEST_PENDING 0x04 /* pending request */
31#define TPM_ACCESS_SEIZE 0x08 /* request locality seize */
32#define TPM_ACCESS_SEIZED 0x10 /* locality has been seized */
33#define TPM_ACCESS_ACTIVE_LOCALITY 0x20 /* locality is active */
34#define TPM_ACCESS_VALID 0x80 /* bits are valid */
35#define TPM_ACCESS_BITS \
36 "\020\01EST\02REQ\03PEND\04SEIZE\05SEIZED\06ACT\010VALID"
37
38#define TPM_INTERRUPT_ENABLE 0x0008
39#define TPM_GLOBAL_INT_ENABLE 0x80000000 /* enable ints */
40#define TPM_CMD_READY_INT 0x00000080 /* cmd ready enable */
41#define TPM_INT_EDGE_FALLING 0x00000018
42#define TPM_INT_EDGE_RISING 0x00000010
43#define TPM_INT_LEVEL_LOW 0x00000008
44#define TPM_INT_LEVEL_HIGH 0x00000000
45#define TPM_LOCALITY_CHANGE_INT 0x00000004 /* locality change enable */
46#define TPM_STS_VALID_INT 0x00000002 /* int on TPM_STS_VALID is set */
47#define TPM_DATA_AVAIL_INT 0x00000001 /* int on TPM_STS_DATA_AVAIL is set */
48#define TPM_INTERRUPT_ENABLE_BITS \
49 "\177\020b\0DRDY\0b\1STSVALID\0b\2LOCCHG\0" \
50 "F\3\2:\0HIGH\0:\1LOW\0:\2RISE\0:\3FALL\0" \
51 "b\7IRDY\0b\x1fGIENABLE\0"
52
53#define TPM_INT_VECTOR 0x000c /* 8 bit reg for 4 bit irq vector */
54#define TPM_INT_STATUS 0x0010 /* bits are & 0x87 from TPM_INTERRUPT_ENABLE */
55
56#define TPM_INTF_CAPABILITIES 0x0014 /* capability register */
57#define TPM_INTF_BURST_COUNT_STATIC 0x0100 /* TPM_STS_BMASK static */
58#define TPM_INTF_CMD_READY_INT 0x0080 /* int on ready supported */
59#define TPM_INTF_INT_EDGE_FALLING 0x0040 /* falling edge ints supported */
60#define TPM_INTF_INT_EDGE_RISING 0x0020 /* rising edge ints supported */
61#define TPM_INTF_INT_LEVEL_LOW 0x0010 /* level-low ints supported */
62#define TPM_INTF_INT_LEVEL_HIGH 0x0008 /* level-high ints supported */
63#define TPM_INTF_LOCALITY_CHANGE_INT 0x0004 /* locality-change int (mb 1) */
64#define TPM_INTF_STS_VALID_INT 0x0002 /* TPM_STS_VALID int supported */
65#define TPM_INTF_DATA_AVAIL_INT 0x0001 /* TPM_STS_DATA_AVAIL int supported (mb 1) */
66#define TPM_CAPSREQ \
67 (TPM_INTF_DATA_AVAIL_INT|TPM_INTF_LOCALITY_CHANGE_INT|TPM_INTF_INT_LEVEL_LOW)
68#define TPM_CAPBITS \
69 "\020\01IDRDY\02ISTSV\03ILOCH\04IHIGH\05ILOW\06IRISE\07IFALL\010IRDY\011BCST"
70
71#define TPM_STS 0x0018 /* status register */
72#define TPM_STS_MASK 0x000000ff /* status bits */
73#define TPM_STS_BMASK 0x00ffff00 /* ro io burst size */
74#define TPM_STS_VALID 0x00000080 /* ro other bits are valid */
75#define TPM_STS_CMD_READY 0x00000040 /* rw chip/signal ready */
76#define TPM_STS_GO 0x00000020 /* wo start the command */
77#define TPM_STS_DATA_AVAIL 0x00000010 /* ro data available */
78#define TPM_STS_DATA_EXPECT 0x00000008 /* ro more data to be written */
79#define TPM_STS_RESP_RETRY 0x00000002 /* wo resend the response */
80#define TPM_STS_BITS "\020\010VALID\07RDY\06GO\05DRDY\04EXPECT\02RETRY"
81
82#define TPM_DATA 0x0024
83#define TPM_ID 0x0f00
84#define TPM_REV 0x0f04
85#define TPM_SIZE 0x5000 /* five pages of the above */
86
87#define TPM_ACCESS_TMO 2000 /* 2sec */
88#define TPM_READY_TMO 2000 /* 2sec */
89#define TPM_READ_TMO 2000 /* 2sec */
90#define TPM_BURST_TMO 2000 /* 2sec */
91
92#define TPM_LEGACY_BUSY 0x01
93#define TPM_LEGACY_ABRT 0x01
94#define TPM_LEGACY_DA 0x02
95#define TPM_LEGACY_RE 0x04
96#define TPM_LEGACY_LAST 0x04
97#define TPM_LEGACY_BITS "\020\01BUSY\2DA\3RE\4LAST"
98#define TPM_LEGACY_TMO (2*60) /* sec */
99#define TPM_LEGACY_SLEEP 5 /* ticks */
100#define TPM_LEGACY_DELAY 100
101