xref: /openbsd/sys/arch/amd64/include/i82489reg.h (revision d415bd75)
1 /*	$OpenBSD: i82489reg.h,v 1.5 2019/07/26 04:35:38 kevlo Exp $	*/
2 /*	$NetBSD: i82489reg.h,v 1.1 2003/02/26 21:26:10 fvdl 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))
145 
146 #define	MSR_X2APIC_BASE		0x800
147 #define	MSR_X2APIC_EOI		(MSR_X2APIC_BASE+0x0b)	/* End Int. W */
148 #define	MSR_X2APIC_ID		(MSR_X2APIC_BASE+0x02)	/* ID. RW */
149 #define	X2APIC_ID_MASK		0xff
150