1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
/* $OpenBSD: intreg.h,v 1.9 2009/04/10 20:53:54 miod Exp $ */
/* $NetBSD: intreg.h,v 1.6 1997/07/22 20:19:10 pk Exp $ */
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)intreg.h 8.1 (Berkeley) 6/11/93
*/
#include <sparc/sparc/vaddrs.h>
/*
* sun4c interrupt enable register.
*
* The register is a single byte. C code must use the ienab_bis and
* ienab_bic functions found in locore.s.
*
* The register's physical address is defined here as the register
* must be mapped early in the boot process (otherwise NMI handling
* will fail).
*/
#define INT_ENABLE_REG_PHYSADR 0xf5000000 /* phys addr in IOspace */
/*
* Bits in interrupt enable register. Software interrupt requests must
* be cleared in software. This is done in locore.s. The ALLIE bit must
* be cleared to clear asynchronous memory error (level 15) interrupts.
*/
#define IE_L14 0x80 /* enable level 14 (counter 1) interrupts */
#define IE_L10 0x20 /* enable level 10 (counter 0) interrupts */
#define IE_L8 0x10 /* enable level 8 interrupts */
#define IE_L6 0x08 /* request software level 6 interrupt */
#define IE_L4 0x04 /* request software level 4 interrupt */
#define IE_L1 0x02 /* request software level 1 interrupt */
#define IE_ALLIE 0x01 /* enable interrupts */
#ifndef _LOCORE
void ienab_bis(int bis); /* set given bits */
void ienab_bic(int bic); /* clear given bits */
#endif
#if defined(SUN4M)
#ifdef notyet
#define IENAB_SYS ((_MAXNBPG * _MAXNCPU) + 0xc)
#define IENAB_P0 0x0008
#define IENAB_P1 0x1008
#define IENAB_P2 0x2008
#define IENAB_P3 0x3008
#endif /* notyet */
#endif
#if defined(SUN4M)
/*
* Interrupt Control Registers, located in IO space.
* (mapped to `locore' for now..)
* There are two sets of interrupt registers called `Processor Interrupts'
* and `System Interrupts'. The `Processor' set corresponds to the 15
* interrupt levels as seen by the CPU. The `System' set corresponds to
* a set of devices supported by the implementing chip-set.
*
* Briefly, the ICR_PI_* are per-processor interrupts; the ICR_SI_* are
* system-wide interrupts, and the ICR_ITR selects the processor to get
* the system's interrupts.
*/
#define ICR_PI_PEND (PI_INTR_VA + 0x0)
#define ICR_PI_CLR (PI_INTR_VA + 0x4)
#define ICR_PI_SET (PI_INTR_VA + 0x8)
#define ICR_SI_PEND (SI_INTR_VA)
#define ICR_SI_MASK (SI_INTR_VA + 0x4)
#define ICR_SI_CLR (SI_INTR_VA + 0x8)
#define ICR_SI_SET (SI_INTR_VA + 0xc)
#define ICR_ITR (SI_INTR_VA + 0x10)
/*
* Bits in interrupt registers. Software interrupt requests must
* be cleared in software. This is done in locore.s.
* There are separate registers for reading pending interrupts and
* setting/clearing (software) interrupts.
*/
#define PINTR_SINTRLEV(n) (1 << (16 + (n)))
#define PINTR_IC 0x8000 /* Level 15 clear */
#define SINTR_MA 0x80000000 /* Mask All interrupts */
#define SINTR_ME 0x40000000 /* Module Error (async) */
#define SINTR_I 0x20000000 /* MSI (MBus-SBus) */
#define SINTR_M 0x10000000 /* ECC Memory controller */
#define SINTR_V 0x08000000 /* VME Async error */
#define SINTR_RSVD2 0x07800000
#define SINTR_F 0x00400000 /* Floppy */
#define SINTR_MI 0x00200000 /* Module interrupt */
#define SINTR_VI 0x00100000 /* Video (Supersparc only) */
#define SINTR_T 0x00080000 /* Level 10 counter */
#define SINTR_SC 0x00040000 /* SCSI */
#define SINTR_A 0x00020000 /* Audio/ISDN */
#define SINTR_E 0x00010000 /* Ethernet */
#define SINTR_S 0x00008000 /* Serial port */
#define SINTR_K 0x00004000 /* Keyboard/mouse */
#define SINTR_SBUSMASK 0x00003f80 /* SBus */
#define SINTR_SBUS(n) (1 << (7+(n)-1))
#define SINTR_VMEMASK 0x0000007f /* VME */
#define SINTR_VME(n) (1 << ((n)-1))
#define SINTR_BITS "\020" \
"\01VME0\02VME1\03VME2\04VME3\05VME4\06VME5" \
"\07VME6\010SBUS0\011SBUS1\012SBUS2\013SBUS3" \
"\014SBUS4\015SBUS5\016SBUS6\017K\020S\021E" \
"\022A\023SC\024T\025VI\065MI\027F" \
"\034V\035M\036I\037ME\040MA"
#endif
|