xref: /netbsd/sys/arch/i386/include/i82489reg.h (revision c4a72b64)
1 /*	$NetBSD: i82489reg.h,v 1.2 2002/10/01 12:57:06 fvdl Exp $	*/
2 
3 /*-
4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Frank van der Linden.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the NetBSD
21  *	Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 
40 /*
41  * Registers and constants for the 82489DX and Pentium (and up) integrated
42  * "local" APIC.
43  */
44 
45 #define	LAPIC_ID		0x020		/* ID. RW */
46 #	define LAPIC_ID_MASK		0x0f000000
47 #	define LAPIC_ID_SHIFT		24
48 
49 #define LAPIC_VERS		0x030		/* Version. R */
50 #	define LAPIC_VERSION_MASK	0x000000ff
51 #	define LAPIC_VERSION_LVT_MASK	0x00ff0000
52 #	define LAPIC_VERSION_LVT_SHIFT	16
53 
54 #define LAPIC_TPRI		0x080		/* Task Prio. RW */
55 #	define LAPIC_TPRI_MASK		0x000000ff
56 #	define LAPIC_TPRI_INT_MASK	0x000000f0
57 #	define LAPIC_TPRI_SUB_MASK	0x0000000f
58 
59 #define LAPIC_APRI		0x090		/* Arbitration prio R */
60 #	define LAPIC_APRI_MASK		0x000000ff
61 
62 #define LAPIC_PPRI		0x0a0		/* Processor prio. R */
63 #define LAPIC_EOI		0x0b0		/* End Int. W */
64 #define LAPIC_RRR		0x0c0		/* Remote read R */
65 #define LAPIC_LDR		0x0d0		/* Logical dest. RW */
66 #define LAPIC_DFR		0x0e0		/* Dest. format RW */
67 
68 #define LAPIC_SVR		0x0f0		/* Spurious intvec RW */
69 #	define LAPIC_SVR_VECTOR_MASK	0x000000ff
70 #	define LAPIC_SVR_VEC_FIX	0x0000000f
71 #	define LAPIC_SVR_VEC_PROG	0x000000f0
72 #	define LAPIC_SVR_ENABLE		0x00000100
73 #	define LAPIC_SVR_SWEN		0x00000100
74 #	define LAPIC_SVR_FOCUS		0x00000200
75 #	define LAPIC_SVR_FDIS		0x00000200
76 
77 #define LAPIC_ISR	0x100			/* Int. status. R */
78 #define LAPIC_TMR	0x180
79 #define LAPIC_IRR	0x200
80 #define LAPIC_ESR	0x280			/* Err status. R */
81 
82 #define LAPIC_ICRLO	0x300			/* Int. cmd. RW */
83 #	define LAPIC_DLMODE_MASK	0x00000700
84 #	define LAPIC_DLMODE_FIXED	0x00000000
85 #	define LAPIC_DLMODE_LOW		0x00000100
86 #	define LAPIC_DLMODE_SMI		0x00000200
87 #	define LAPIC_DLMODE_RR		0x00000300
88 #	define LAPIC_DLMODE_NMI		0x00000400
89 #	define LAPIC_DLMODE_INIT	0x00000500
90 #	define LAPIC_DLMODE_STARTUP	0x00000600
91 
92 #	define LAPIC_DSTMODE_LOG	0x00000800
93 
94 #	define LAPIC_DLSTAT_BUSY	0x00001000
95 
96 #	define LAPIC_LVL_ASSERT		0x00004000
97 #	define LAPIC_LVL_DEASSERT	0x00000000
98 
99 #	define LAPIC_LVL_TRIG		0x00008000
100 
101 #	define LAPIC_RRSTAT_MASK	0x00030000
102 #	define LAPIC_RRSTAT_INPROG	0x00010000
103 #	define LAPIC_RRSTAT_VALID	0x00020000
104 
105 #	define LAPIC_DEST_MASK		0x000c0000
106 #	define LAPIC_DEST_SELF		0x00040000
107 #	define LAPIC_DEST_ALLINCL	0x00080000
108 #	define LAPIC_DEST_ALLEXCL	0x000c0000
109 
110 #	define LAPIC_RESV2_MASK		0xfff00000
111 
112 
113 #define LAPIC_ICRHI	0x310			/* Int. cmd. RW */
114 #	define LAPIC_ID_MASK		0x0f000000
115 #	define LAPIC_ID_SHIFT		24
116 
117 #define LAPIC_LVTT	0x320			/* Loc.vec.(timer) RW */
118 #	define LAPIC_LVTT_VEC_MASK	0x000000ff
119 #	define LAPIC_LVTT_DS		0x00001000
120 #	define LAPIC_LVTT_M		0x00010000
121 #	define LAPIC_LVTT_TM		0x00020000
122 
123 #define LAPIC_PCINT	0x340
124 #define LAPIC_LVINT0	0x350			/* Loc.vec (LINT0) RW */
125 #	define LAPIC_LVT_PERIODIC	0x00020000
126 #	define LAPIC_LVT_MASKED		0x00010000
127 #	define LAPIC_LVT_LEVTRIG	0x00008000
128 #	define LAPIC_LVT_REMOTE_IRR	0x00004000
129 #	define LAPIC_INP_POL		0x00002000
130 #	define LAPIC_PEND_SEND		0x00001000
131 
132 #define LAPIC_LVINT1	0x360			/* Loc.vec (LINT1) RW */
133 #define LAPIC_LVERR	0x370			/* Loc.vec (ERROR) RW */
134 #define LAPIC_ICR_TIMER	0x380			/* Initial count RW */
135 #define LAPIC_CCR_TIMER	0x390			/* Current count RO */
136 
137 #define LAPIC_DCR_TIMER	0x3e0			/* Divisor config register */
138 #	define LAPIC_DCRT_DIV1		0x0b
139 #	define LAPIC_DCRT_DIV2		0x00
140 #	define LAPIC_DCRT_DIV4		0x01
141 #	define LAPIC_DCRT_DIV8		0x02
142 #	define LAPIC_DCRT_DIV16		0x03
143 #	define LAPIC_DCRT_DIV32		0x08
144 #	define LAPIC_DCRT_DIV64		0x09
145 #	define LAPIC_DCRT_DIV128	0x0a
146 
147 #define LAPIC_BASE		0xfee00000
148 
149 #define LAPIC_IRQ_MASK(i)	(1 << ((i) + 1))
150