hp300spu.h revision 1.17
1/*	$NetBSD: hp300spu.h,v 1.17 2024/05/13 00:08:49 msaitoh 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 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _HP300_HP300SPU_H_
33#define	_HP300_HP300SPU_H_
34
35/*
36 * This file describes various constants that describe and/or
37 * are unique to the HP 9000/300 or 400 SPUs.
38 */
39
40/* values for machineid */
41#define	HP_320		0	/* 16MHz 68020+HP MMU+16K external cache */
42#define	HP_330		1	/* 16MHz 68020+68851 MMU */
43#define	HP_350		2	/* 25MHz 68020+HP MMU+32K external cache */
44#define	HP_360		3	/* 25MHz 68030 */
45#define	HP_370		4	/* 33MHz 68030+64K external cache */
46#define	HP_340		5	/* 16MHz 68030 */
47#define	HP_345		6	/* 50MHz 68030+32K external cache */
48#define	HP_375		7	/* 50MHz 68030+32K external cache */
49#define	HP_400		8	/* 50MHz 68030+32K external cache */
50#define	HP_380		9	/* 25MHz 68040 */
51#define	HP_425		10	/* 25MHz 68040 */
52#define	HP_433		11	/* 33MHz 68040 */
53#define	HP_385		12	/* 33MHz 68040 */
54#define	HP_362		13	/* 25MHz 68030 */
55#define	HP_382		14	/* 25MHz 68040 */
56
57/* values for mmuid - used to differentiate similar CPU/cache combos */
58#define	MMUID_345	1	/* 345 */
59#define	MMUID_375	3	/* 375 */
60#define	MMUID_382	11	/* 382 */
61#define	MMUID_385	2	/* 385 */
62#define	MMUID_425_T	5	/* 425t - 25MHz Trailways */
63#define	MMUID_425_S	7	/* 425s - 25MHz Strider */
64#define	MMUID_433_T	4	/* 433t - 33MHz Trailways */
65#define	MMUID_433_S	6	/* 433s - 33MHz Strider */
66#define	MMUID_425_E	9	/* 425e - 25MHz Woody */
67
68#define	MMUID_SHIFT	8	/* left shift by this... */
69#define	MMUID_MASK	0xff	/* ...and mask with this to get mmuid */
70
71#if defined (_KERNEL) && !defined(_LOCORE)
72extern	int machineid;		/* CPU model */
73extern	int cpuspeed;		/* CPU speed, in MHz */
74extern	int mmuid;		/* MMU id */
75#endif /* _KERNEL && ! _LOCORE */
76
77#ifdef _KERNEL
78
79/*
80 * This section associates hp300 model configurations with certain
81 * combinations of CPU, MMU, and cache.
82 */
83
84/*
85 * Pull in user-defined SPU configuration options.
86 */
87#if defined(_KERNEL_OPT)
88#include "opt_spuconf.h"
89#include "opt_m68k_arch.h"
90#endif
91
92/*
93 * Cache configuration.
94 */
95#if defined(M68K_MMU_HP)
96#define	CACHE_HAVE_VAC
97#define M68K_VAC
98#endif
99
100#if defined(HP345) || defined(HP370) || defined(HP375) || defined(HP400)
101#define	CACHE_HAVE_PAC
102#endif
103
104#endif /* _KERNEL */
105
106#endif /* _HP300_HP300SPU_H_ */
107