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)
72 extern    int machineid;                /* CPU model */
73 extern    int cpuspeed;                 /* CPU speed, in MHz */
74 extern    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