hp300spu.h revision 1.5
1/*	$NetBSD: hp300spu.h,v 1.5 1999/07/31 00:28:20 thorpej Exp $	*/
2
3/*-
4 * Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe.
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#ifndef _HP300_HP300SPU_H_
40#define	_HP300_HP300SPU_H_
41
42/*
43 * This file describes various constants that describe and/or
44 * are unique to the HP 9000/300 or 400 SPUs.
45 */
46
47/* values for machineid */
48#define	HP_320		0	/* 16MHz 68020+HP MMU+16K external cache */
49#define	HP_330		1	/* 16MHz 68020+68851 MMU */
50#define	HP_350		2	/* 25MHz 68020+HP MMU+32K external cache */
51#define	HP_360		3	/* 25MHz 68030 */
52#define	HP_370		4	/* 33MHz 68030+64K external cache */
53#define	HP_340		5	/* 16MHz 68030 */
54#define	HP_345		6	/* 50MHz 68030+32K external cache */
55#define	HP_375		7	/* 50MHz 68030+32K external cache */
56#define	HP_400		8	/* 50MHz 68030+32K external cache */
57#define	HP_380		9	/* 25MHz 68040 */
58#define	HP_425		10	/* 26MHz 68040 */
59#define	HP_433		11	/* 33MHz 68040 */
60#define	HP_385		12	/* 33MHz 68040 */
61
62/* values for mmuid - used to differentiate similar CPU/cache combos */
63#define	MMUID_345	1	/* 345 */
64#define	MMUID_375	3	/* 375 */
65#define	MMUID_385	2	/* 385 */
66#define	MMUID_425_T	5	/* 425t - 25MHz Trailways */
67#define	MMUID_425_S	7	/* 425s - 25MHz Strider */
68#define	MMUID_433_T	4	/* 433t - 33MHz Trailways */
69#define	MMUID_433_S	6	/* 433s - 33MHz Strider */
70#define	MMUID_425_E	9	/* 425e - 25MHz Woody */
71
72#define	MMUID_SHIFT	8	/* left shift by this... */
73#define	MMUID_MASK	0xff	/* ...and mask with this to get mmuid */
74
75#if defined (_KERNEL) && !defined(_LOCORE)
76extern	int machineid;		/* CPU model */
77extern	int cpuspeed;		/* CPU speed, in MHz */
78extern	int mmuid;		/* MMU id */
79#endif /* _KERNEL && ! _LOCORE */
80
81#ifdef _KERNEL
82
83/*
84 * This section associates hp300 model configurations with certain
85 * combindations of CPU, MMU, and cache.
86 */
87
88/*
89 * Pull in user-defined SPU configuration options.
90 */
91#include "opt_spuconf.h"
92
93/*
94 * CPU configuration.
95 */
96#if defined(HP320) || defined(HP330) || defined(HP350)
97#define M68020
98#endif
99
100#if defined(HP340) || defined(HP345) || defined(HP360) || defined(HP370) || \
101    defined(HP375) || defined(HP400)
102#define M68030
103#endif
104
105#if defined(HP380) || defined(HP385) || defined(HP425) || defined(HP433)
106#define M68040
107#endif
108
109/*
110 * MMU configuration.
111 */
112#if defined(HP320) || defined(HP350)
113#define M68K_MMU_HP
114#endif
115
116#if defined(HP330) || defined(M68030) || defined(M68040)
117#define	M68K_MMU_MOTOROLA
118#endif
119
120/*
121 * Cache configuration.
122 */
123#if defined(M68K_MMU_HP)
124#define	CACHE_HAVE_VAC
125#endif
126
127#if defined(HP345) || defined(HP360) || defined(HP370) || \
128    defined(HP375) || defined(HP400)
129#define	CACHE_HAVE_PAC
130#endif
131
132#endif /* _KERNEL */
133
134#endif /* _HP300_HP300SPU_H_ */
135