1/* $OpenBSD: i82489reg.h,v 1.5 2019/07/26 04:35:38 kevlo Exp $ */
2/* $NetBSD: i82489reg.h,v 1.1.2.1 2000/02/20 16:30:27 sommerfeld Exp $ */
3
4/*-
5 * Copyright (c) 1998 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Frank van der Linden.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33
34/*
35 * Registers and constants for the 82489DX and Pentium (and up) integrated
36 * "local" APIC.
37 */
38
39#define LAPIC_ID 0x020 /* ID. RW */
40# define LAPIC_ID_MASK 0x0f000000
41# define LAPIC_ID_SHIFT 24
42
43#define LAPIC_VERS 0x030 /* Version. R */
44# define LAPIC_VERSION_MASK 0x000000ff
45# define LAPIC_VERSION_LVT_MASK 0x00ff0000
46# define LAPIC_VERSION_LVT_SHIFT 16
47
48#define LAPIC_TPRI 0x080 /* Task Prio. RW */
49# define LAPIC_TPRI_MASK 0x000000ff
50# define LAPIC_TPRI_INT_MASK 0x000000f0
51# define LAPIC_TPRI_SUB_MASK 0x0000000f
52
53#define LAPIC_APRI 0x090 /* Arbitration prio R */
54# define LAPIC_APRI_MASK 0x000000ff
55
56#define LAPIC_PPRI 0x0a0 /* Processor prio. R */
57#define LAPIC_EOI 0x0b0 /* End Int. W */
58#define LAPIC_RRR 0x0c0 /* Remote read R */
59#define LAPIC_LDR 0x0d0 /* Logical dest. RW */
60#define LAPIC_DFR 0x0e0 /* Dest. format RW */
61
62#define LAPIC_SVR 0x0f0 /* Spurious intvec RW */
63# define LAPIC_SVR_VECTOR_MASK 0x000000ff
64# define LAPIC_SVR_VEC_FIX 0x0000000f
65# define LAPIC_SVR_VEC_PROG 0x000000f0
66# define LAPIC_SVR_ENABLE 0x00000100
67# define LAPIC_SVR_SWEN 0x00000100
68# define LAPIC_SVR_FOCUS 0x00000200
69# define LAPIC_SVR_FDIS 0x00000200
70
71#define LAPIC_ISR 0x100 /* Int. status. R */
72#define LAPIC_TMR 0x180
73#define LAPIC_IRR 0x200
74#define LAPIC_ESR 0x280 /* Err status. R */
75
76#define LAPIC_ICRLO 0x300 /* Int. cmd. RW */
77# define LAPIC_DLMODE_MASK 0x00000700
78# define LAPIC_DLMODE_FIXED 0x00000000
79# define LAPIC_DLMODE_LOW 0x00000100
80# define LAPIC_DLMODE_SMI 0x00000200
81# define LAPIC_DLMODE_RR 0x00000300
82# define LAPIC_DLMODE_NMI 0x00000400
83# define LAPIC_DLMODE_INIT 0x00000500
84# define LAPIC_DLMODE_STARTUP 0x00000600
85
86# define LAPIC_DSTMODE_LOG 0x00000800
87
88# define LAPIC_DLSTAT_BUSY 0x00001000
89
90# define LAPIC_LVL_ASSERT 0x00004000
91# define LAPIC_LVL_DEASSERT 0x00000000
92
93# define LAPIC_LVL_TRIG 0x00008000
94
95# define LAPIC_RRSTAT_MASK 0x00030000
96# define LAPIC_RRSTAT_INPROG 0x00010000
97# define LAPIC_RRSTAT_VALID 0x00020000
98
99# define LAPIC_DEST_MASK 0x000c0000
100# define LAPIC_DEST_SELF 0x00040000
101# define LAPIC_DEST_ALLINCL 0x00080000
102# define LAPIC_DEST_ALLEXCL 0x000c0000
103
104# define LAPIC_RESV2_MASK 0xfff00000
105
106
107#define LAPIC_ICRHI 0x310 /* Int. cmd. RW */
108
109#define LAPIC_LVTT 0x320 /* Loc.vec.(timer) RW */
110# define LAPIC_LVTT_VEC_MASK 0x000000ff
111# define LAPIC_LVTT_DS 0x00001000
112# define LAPIC_LVTT_M 0x00010000
113# define LAPIC_LVTT_TM 0x00020000
114# define LAPIC_LVTT_TM_ONESHOT 0x00000000
115# define LAPIC_LVTT_TM_PERIODIC 0x00020000
116# define LAPIC_LVTT_TM_TSCDL 0x00040000
117
118#define LAPIC_PCINT 0x340
119#define LAPIC_LVINT0 0x350 /* Loc.vec (LINT0) RW */
120# define LAPIC_LVT_PERIODIC 0x00020000
121# define LAPIC_LVT_MASKED 0x00010000
122# define LAPIC_LVT_LEVTRIG 0x00008000
123# define LAPIC_LVT_REMOTE_IRR 0x00004000
124# define LAPIC_INP_POL 0x00002000
125# define LAPIC_PEND_SEND 0x00001000
126
127#define LAPIC_LVINT1 0x360 /* Loc.vec (LINT1) RW */
128#define LAPIC_LVERR 0x370 /* Loc.vec (ERROR) RW */
129#define LAPIC_ICR_TIMER 0x380 /* Initial count RW */
130#define LAPIC_CCR_TIMER 0x390 /* Current count RO */
131
132#define LAPIC_DCR_TIMER 0x3e0 /* Divisor config register */
133# define LAPIC_DCRT_DIV1 0x0b
134# define LAPIC_DCRT_DIV2 0x00
135# define LAPIC_DCRT_DIV4 0x01
136# define LAPIC_DCRT_DIV8 0x02
137# define LAPIC_DCRT_DIV16 0x03
138# define LAPIC_DCRT_DIV32 0x08
139# define LAPIC_DCRT_DIV64 0x09
140# define LAPIC_DCRT_DIV128 0x0a
141
142#define LAPIC_BASE 0xfee00000
143
144#define LAPIC_IRQ_MASK(i) (1 << ((i) + 1))