Annotation of sys/arch/i386/include/i82489reg.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: i82489reg.h,v 1.2 2004/06/13 21:49:16 niklas 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: * 3. All advertising materials mentioning features or use of this software
20: * must display the following acknowledgement:
21: * This product includes software developed by the NetBSD
22: * Foundation, Inc. and its contributors.
23: * 4. Neither the name of The NetBSD Foundation nor the names of its
24: * contributors may be used to endorse or promote products derived
25: * from this software without specific prior written permission.
26: *
27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37: * POSSIBILITY OF SUCH DAMAGE.
38: */
39:
40:
41: /*
42: * Registers and constants for the 82489DX and Pentium (and up) integrated
43: * "local" APIC.
44: */
45:
46: #define LAPIC_ID 0x020 /* ID. RW */
47: # define LAPIC_ID_MASK 0x0f000000
48: # define LAPIC_ID_SHIFT 24
49:
50: #define LAPIC_VERS 0x030 /* Version. R */
51: # define LAPIC_VERSION_MASK 0x000000ff
52: # define LAPIC_VERSION_LVT_MASK 0x00ff0000
53: # define LAPIC_VERSION_LVT_SHIFT 16
54:
55: #define LAPIC_TPRI 0x080 /* Task Prio. RW */
56: # define LAPIC_TPRI_MASK 0x000000ff
57: # define LAPIC_TPRI_INT_MASK 0x000000f0
58: # define LAPIC_TPRI_SUB_MASK 0x0000000f
59:
60: #define LAPIC_APRI 0x090 /* Arbitration prio R */
61: # define LAPIC_APRI_MASK 0x000000ff
62:
63: #define LAPIC_PPRI 0x0a0 /* Processor prio. R */
64: #define LAPIC_EOI 0x0b0 /* End Int. W */
65: #define LAPIC_RRR 0x0c0 /* Remote read R */
66: #define LAPIC_LDR 0x0d0 /* Logical dest. RW */
67: #define LAPIC_DFR 0x0e0 /* Dest. format RW */
68:
69: #define LAPIC_SVR 0x0f0 /* Spurious intvec RW */
70: # define LAPIC_SVR_VECTOR_MASK 0x000000ff
71: # define LAPIC_SVR_VEC_FIX 0x0000000f
72: # define LAPIC_SVR_VEC_PROG 0x000000f0
73: # define LAPIC_SVR_ENABLE 0x00000100
74: # define LAPIC_SVR_SWEN 0x00000100
75: # define LAPIC_SVR_FOCUS 0x00000200
76: # define LAPIC_SVR_FDIS 0x00000200
77:
78: #define LAPIC_ISR 0x100 /* Int. status. R */
79: #define LAPIC_TMR 0x180
80: #define LAPIC_IRR 0x200
81: #define LAPIC_ESR 0x280 /* Err status. R */
82:
83: #define LAPIC_ICRLO 0x300 /* Int. cmd. RW */
84: # define LAPIC_DLMODE_MASK 0x00000700
85: # define LAPIC_DLMODE_FIXED 0x00000000
86: # define LAPIC_DLMODE_LOW 0x00000100
87: # define LAPIC_DLMODE_SMI 0x00000200
88: # define LAPIC_DLMODE_RR 0x00000300
89: # define LAPIC_DLMODE_NMI 0x00000400
90: # define LAPIC_DLMODE_INIT 0x00000500
91: # define LAPIC_DLMODE_STARTUP 0x00000600
92:
93: # define LAPIC_DSTMODE_LOG 0x00000800
94:
95: # define LAPIC_DLSTAT_BUSY 0x00001000
96:
97: # define LAPIC_LVL_ASSERT 0x00004000
98: # define LAPIC_LVL_DEASSERT 0x00000000
99:
100: # define LAPIC_LVL_TRIG 0x00008000
101:
102: # define LAPIC_RRSTAT_MASK 0x00030000
103: # define LAPIC_RRSTAT_INPROG 0x00010000
104: # define LAPIC_RRSTAT_VALID 0x00020000
105:
106: # define LAPIC_DEST_MASK 0x000c0000
107: # define LAPIC_DEST_SELF 0x00040000
108: # define LAPIC_DEST_ALLINCL 0x00080000
109: # define LAPIC_DEST_ALLEXCL 0x000c0000
110:
111: # define LAPIC_RESV2_MASK 0xfff00000
112:
113:
114: #define LAPIC_ICRHI 0x310 /* Int. cmd. RW */
115: # define LAPIC_ID_MASK 0x0f000000
116: # define LAPIC_ID_SHIFT 24
117:
118: #define LAPIC_LVTT 0x320 /* Loc.vec.(timer) RW */
119: # define LAPIC_LVTT_VEC_MASK 0x000000ff
120: # define LAPIC_LVTT_DS 0x00001000
121: # define LAPIC_LVTT_M 0x00010000
122: # define LAPIC_LVTT_TM 0x00020000
123:
124: #define LAPIC_PCINT 0x340
125: #define LAPIC_LVINT0 0x350 /* Loc.vec (LINT0) RW */
126: # define LAPIC_LVT_PERIODIC 0x00020000
127: # define LAPIC_LVT_MASKED 0x00010000
128: # define LAPIC_LVT_LEVTRIG 0x00008000
129: # define LAPIC_LVT_REMOTE_IRR 0x00004000
130: # define LAPIC_INP_POL 0x00002000
131: # define LAPIC_PEND_SEND 0x00001000
132:
133: #define LAPIC_LVINT1 0x360 /* Loc.vec (LINT1) RW */
134: #define LAPIC_LVERR 0x370 /* Loc.vec (ERROR) RW */
135: #define LAPIC_ICR_TIMER 0x380 /* Initial count RW */
136: #define LAPIC_CCR_TIMER 0x390 /* Current count RO */
137:
138: #define LAPIC_DCR_TIMER 0x3e0 /* Divisor config register */
139: # define LAPIC_DCRT_DIV1 0x0b
140: # define LAPIC_DCRT_DIV2 0x00
141: # define LAPIC_DCRT_DIV4 0x01
142: # define LAPIC_DCRT_DIV8 0x02
143: # define LAPIC_DCRT_DIV16 0x03
144: # define LAPIC_DCRT_DIV32 0x08
145: # define LAPIC_DCRT_DIV64 0x09
146: # define LAPIC_DCRT_DIV128 0x0a
147:
148: #define LAPIC_BASE 0xfee00000
149:
150: #define LAPIC_IRQ_MASK(i) (1 << ((i) + 1))
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