1/* $NetBSD: cpu.h,v 1.107 2024/02/28 13:05:40 thorpej Exp $ */
2
3/*
4 * Copyright (c) 1988 University of Utah.
5 * Copyright (c) 1982, 1990 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * the Systems Programming Group of the University of Utah Computer
10 * Science Department.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 */
36
37/*
38 * Copyright (c) 1992, 1993 BCDL Labs. All rights reserved.
39 * Allen Briggs, Chris Caputo, Michael Finch, Brad Grantham, Lawrence Kesteloot
40
41 * Redistribution of this source code or any part thereof is permitted,
42 * provided that the following conditions are met:
43 * 1) Utilized source contains the copyright message above, this list
44 * of conditions, and the following disclaimer.
45 * 2) Binary objects containing compiled source reproduce the
46 * copyright notice above on startup.
47 *
48 * CAVEAT: This source code is provided "as-is" by BCDL Labs, and any
49 * warranties of ANY kind are disclaimed. We don't even claim that it
50 * won't crash your hard disk. Basically, we want a little credit if
51 * it works, but we don't want to get mail-bombed if it doesn't.
52 */
53
54/*
55 * from: Utah $Hdr: cpu.h 1.16 91/03/25$
56 *
57 * @(#)cpu.h 7.7 (Berkeley) 6/27/91
58 */
59
60#ifndef _CPU_MACHINE_
61#define _CPU_MACHINE_
62
63#if defined(_KERNEL_OPT)
64#include "opt_lockdebug.h"
65#endif
66
67/*
68 * Get common m68k definitions.
69 */
70#include <m68k/cpu.h>
71
72/* values for machineid --
73 * These are equivalent to the MacOS Gestalt values. */
74#define MACH_MACII 6
75#define MACH_MACIIX 7
76#define MACH_MACIICX 8
77#define MACH_MACSE30 9
78#define MACH_MACIICI 11
79#define MACH_MACIIFX 13
80#define MACH_MACIISI 18
81#define MACH_MACQ900 20
82#define MACH_MACPB170 21
83#define MACH_MACQ700 22
84#define MACH_MACCLASSICII 23
85#define MACH_MACPB100 24
86#define MACH_MACPB140 25
87#define MACH_MACQ950 26
88#define MACH_MACLCIII 27
89#define MACH_MACPB210 29
90#define MACH_MACC650 30
91#define MACH_MACPB230 32
92#define MACH_MACPB180 33
93#define MACH_MACPB160 34
94#define MACH_MACQ800 35
95#define MACH_MACQ650 36
96#define MACH_MACLCII 37
97#define MACH_MACPB250 38
98#define MACH_MACIIVI 44
99#define MACH_MACP600 45
100#define MACH_MACIIVX 48
101#define MACH_MACCCLASSIC 49
102#define MACH_MACPB165C 50
103#define MACH_MACC610 52
104#define MACH_MACQ610 53
105#define MACH_MACPB145 54
106#define MACH_MACLC520 56
107#define MACH_MACC660AV 60
108#define MACH_MACP460 62
109#define MACH_MACPB180C 71
110#define MACH_MACPB500 72
111#define MACH_MACPB270 77
112#define MACH_MACQ840AV 78
113#define MACH_MACP550 80
114#define MACH_MACCCLASSICII 83
115#define MACH_MACPB165 84
116#define MACH_MACPB190CS 85
117#define MACH_MACTV 88
118#define MACH_MACLC475 89
119#define MACH_MACLC475_33 90
120#define MACH_MACLC575 92
121#define MACH_MACQ605 94
122#define MACH_MACQ605_33 95
123#define MACH_MACQ630 98
124#define MACH_MACP580 99
125#define MACH_MACPB280 102
126#define MACH_MACPB280C 103
127#define MACH_MACPB150 115
128#define MACH_MACPB190 122
129
130/*
131 * Machine classes. These define subsets of the above machines.
132 */
133#define MACH_CLASSH 0x0000 /* Hopeless cases... */
134#define MACH_CLASSII 0x0001 /* MacII class */
135#define MACH_CLASSIIci 0x0004 /* Have RBV, but no Egret */
136#define MACH_CLASSIIsi 0x0005 /* Similar to IIci -- Have Egret. */
137#define MACH_CLASSIIvx 0x0006 /* Similar to IIsi -- different via2 emul? */
138#define MACH_CLASSLC 0x0007 /* Low-Cost/Performa/Wal-Mart Macs. */
139#define MACH_CLASSPB 0x0008 /* Powerbooks. Power management. */
140#define MACH_CLASSDUO 0x0009 /* Powerbooks Duos. More integration/Docks. */
141#define MACH_CLASSIIfx 0x0080 /* The IIfx is in a class by itself. */
142#define MACH_CLASSQ 0x0100 /* non-A/V Centris/Quadras. */
143#define MACH_CLASSAV 0x0101 /* A/V Centris/Quadras. */
144#define MACH_CLASSQ2 0x0102 /* More Centris/Quadras, different sccA. */
145#define MACH_CLASSP580 0x0103 /* Similar to Quadras, but not quite.. */
146
147#define MACH_68020 0
148#define MACH_68030 1
149#define MACH_68040 2
150#define MACH_PENTIUM 3 /* 66 and 99 MHz versions *only* */
151
152#ifdef _KERNEL
153struct mac68k_machine_S {
154 int cpu_model_index;
155 /*
156 * Misc. info from booter.
157 */
158 int machineid;
159 int mach_processor;
160 int mach_memsize;
161 int booter_version;
162 /*
163 * Debugging flags.
164 */
165 int do_graybars;
166 int serial_boot_echo;
167 int serial_console;
168
169 int zs_chip; /* what type of chip we've got */
170 int modem_flags;
171 int modem_cts_clk;
172 int modem_dcd_clk;
173 int modem_d_speed;
174 int print_flags;
175 int print_cts_clk;
176 int print_dcd_clk;
177 int print_d_speed;
178 /*
179 * Misc. hardware info.
180 */
181 int scsi80; /* Has NCR 5380 */
182 int scsi96; /* Has NCR 53C96 */
183 int scsi96_2; /* Has 2nd 53C96 */
184 int sonic; /* Has SONIC e-net */
185
186 int via1_ipl;
187 int via2_ipl;
188 int aux_interrupts;
189};
190
191 /* What kind of model is this */
192struct cpu_model_info {
193 int machineid; /* MacOS Gestalt value. */
194 const char *model_major; /* Make this distinction to save a few */
195 const char *model_minor; /* bytes--might be useful, too. */
196 int class; /* Rough class of machine. */
197 /* forwarded romvec_s is defined in mac68k/macrom.h */
198 struct romvec_s *rom_vectors; /* Pointer to our known rom vectors */
199};
200extern struct cpu_model_info *current_mac_model;
201
202extern unsigned long IOBase; /* Base address of I/O */
203extern unsigned long NuBusBase; /* Base address of NuBus */
204
205extern struct mac68k_machine_S mac68k_machine;
206extern unsigned long load_addr;
207#endif /* _KERNEL */
208
209/* physical memory sections */
210#define ROMBASE (0x40800000)
211#define ROMLEN (0x00200000) /* 2MB will work for all 68k */
212#define ROMMAPSIZE btoc(ROMLEN) /* 32k of page tables. */
213
214#define IIOMAPSIZE btoc(0x00100000) /* 1MB should be enough */
215
216/* XXX -- Need to do something about superspace.
217 * Technically, NuBus superspace starts at 0x60000000, but no
218 * known Macintosh has used any slot lower numbered than 9, and
219 * the super space is defined as 0xS000 0000 through 0xSFFF FFFF
220 * where S is the slot number--ranging from 0x9 - 0xE.
221 */
222#define NBSBASE 0x90000000
223#define NBSTOP 0xF0000000
224#define NBBASE 0xF9000000 /* NUBUS space */
225#define NBTOP 0xFF000000 /* NUBUS space */
226#define NBMAPSIZE btoc(NBTOP-NBBASE) /* ~ 96 megs */
227#define NBMEMSIZE 0x01000000 /* 16 megs per card */
228#define NBROMOFFSET 0x00FF0000 /* Last 64K == ROM */
229
230#ifdef _KERNEL
231
232/* machdep.c */
233void mac68k_set_bell_callback(int (*)(void *, int, int, int), void *);
234int mac68k_ring_bell(int, int, int);
235u_int get_mapping(void);
236
237/* fpu.c */
238void initfpu(void);
239
240#endif
241
242#endif /* _CPU_MACHINE_ */