cpuconf.h revision 1.2.6.3 1 1.2.6.3 jdolecek /* $NetBSD: cpuconf.h,v 1.2.6.3 2002/09/06 08:32:37 jdolecek Exp $ */
2 1.2.6.2 jdolecek
3 1.2.6.2 jdolecek /*
4 1.2.6.2 jdolecek * Copyright (c 2002 Wasabi Systems, Inc.
5 1.2.6.2 jdolecek * All rights reserved.
6 1.2.6.2 jdolecek *
7 1.2.6.2 jdolecek * Written by Jason R. Thorpe for Wasabi Systems, Inc.
8 1.2.6.2 jdolecek *
9 1.2.6.2 jdolecek * Redistribution and use in source and binary forms, with or without
10 1.2.6.2 jdolecek * modification, are permitted provided that the following conditions
11 1.2.6.2 jdolecek * are met:
12 1.2.6.2 jdolecek * 1. Redistributions of source code must retain the above copyright
13 1.2.6.2 jdolecek * notice, this list of conditions and the following disclaimer.
14 1.2.6.2 jdolecek * 2. Redistributions in binary form must reproduce the above copyright
15 1.2.6.2 jdolecek * notice, this list of conditions and the following disclaimer in the
16 1.2.6.2 jdolecek * documentation and/or other materials provided with the distribution.
17 1.2.6.2 jdolecek * 3. All advertising materials mentioning features or use of this software
18 1.2.6.2 jdolecek * must display the following acknowledgement:
19 1.2.6.2 jdolecek * This product includes software developed for the NetBSD Project by
20 1.2.6.2 jdolecek * Wasabi Systems, Inc.
21 1.2.6.2 jdolecek * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 1.2.6.2 jdolecek * or promote products derived from this software without specific prior
23 1.2.6.2 jdolecek * written permission.
24 1.2.6.2 jdolecek *
25 1.2.6.2 jdolecek * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 1.2.6.2 jdolecek * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 1.2.6.2 jdolecek * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 1.2.6.2 jdolecek * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
29 1.2.6.2 jdolecek * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 1.2.6.2 jdolecek * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 1.2.6.2 jdolecek * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 1.2.6.2 jdolecek * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 1.2.6.2 jdolecek * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 1.2.6.2 jdolecek * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 1.2.6.2 jdolecek * POSSIBILITY OF SUCH DAMAGE.
36 1.2.6.2 jdolecek */
37 1.2.6.2 jdolecek
38 1.2.6.2 jdolecek #ifndef _ARM_CPUCONF_H_
39 1.2.6.2 jdolecek #define _ARM_CPUCONF_H_
40 1.2.6.2 jdolecek
41 1.2.6.2 jdolecek #if defined(_KERNEL_OPT)
42 1.2.6.2 jdolecek #include "opt_cputypes.h"
43 1.2.6.2 jdolecek #endif /* _KERNEL_OPT */
44 1.2.6.2 jdolecek
45 1.2.6.2 jdolecek /*
46 1.2.6.2 jdolecek * Step 1: Count the number of CPU types configured into the kernel.
47 1.2.6.2 jdolecek */
48 1.2.6.2 jdolecek #if defined(_KERNEL_OPT)
49 1.2.6.2 jdolecek #define CPU_NTYPES (defined(CPU_ARM2) + defined(CPU_ARM250) + \
50 1.2.6.2 jdolecek defined(CPU_ARM3) + \
51 1.2.6.2 jdolecek defined(CPU_ARM6) + defined(CPU_ARM7) + \
52 1.2.6.2 jdolecek defined(CPU_ARM7TDMI) + \
53 1.2.6.2 jdolecek defined(CPU_ARM8) + defined(CPU_ARM9) + \
54 1.2.6.2 jdolecek defined(CPU_SA110) + defined(CPU_SA1100) + \
55 1.2.6.2 jdolecek defined(CPU_SA1110) + \
56 1.2.6.3 jdolecek defined(CPU_IXP12X0) + \
57 1.2.6.2 jdolecek defined(CPU_XSCALE_80200) + \
58 1.2.6.2 jdolecek defined(CPU_XSCALE_80321) + \
59 1.2.6.2 jdolecek defined(CPU_XSCALE_PXA2X0))
60 1.2.6.2 jdolecek #else
61 1.2.6.2 jdolecek #define CPU_NTYPES 2
62 1.2.6.2 jdolecek #endif /* _KERNEL_OPT */
63 1.2.6.2 jdolecek
64 1.2.6.2 jdolecek /*
65 1.2.6.2 jdolecek * Step 2: Determine which ARM architecture versions are configured.
66 1.2.6.2 jdolecek */
67 1.2.6.2 jdolecek #if !defined(_KERNEL_OPT) || \
68 1.2.6.2 jdolecek (defined(CPU_ARM2) || defined(CPU_ARM250) || defined(CPU_ARM3))
69 1.2.6.2 jdolecek #define ARM_ARCH_2 1
70 1.2.6.2 jdolecek #else
71 1.2.6.2 jdolecek #define ARM_ARCH_2 0
72 1.2.6.2 jdolecek #endif
73 1.2.6.2 jdolecek
74 1.2.6.2 jdolecek #if !defined(_KERNEL_OPT) || \
75 1.2.6.2 jdolecek (defined(CPU_ARM6) || defined(CPU_ARM7))
76 1.2.6.2 jdolecek #define ARM_ARCH_3 1
77 1.2.6.2 jdolecek #else
78 1.2.6.2 jdolecek #define ARM_ARCH_3 0
79 1.2.6.2 jdolecek #endif
80 1.2.6.2 jdolecek
81 1.2.6.2 jdolecek #if !defined(_KERNEL_OPT) || \
82 1.2.6.2 jdolecek (defined(CPU_ARM7TDMI) || defined(CPU_ARM8) || defined(CPU_ARM9) || \
83 1.2.6.3 jdolecek defined(CPU_SA110) || defined(CPU_SA1100) || defined(CPU_SA1110) || \
84 1.2.6.3 jdolecek defined(CPU_IXP12X0))
85 1.2.6.2 jdolecek #define ARM_ARCH_4 1
86 1.2.6.2 jdolecek #else
87 1.2.6.2 jdolecek #define ARM_ARCH_4 0
88 1.2.6.2 jdolecek #endif
89 1.2.6.2 jdolecek
90 1.2.6.2 jdolecek #if !defined(_KERNEL_OPT) || \
91 1.2.6.2 jdolecek (defined(CPU_XSCALE_80200) || defined(CPU_XSCALE_80321) || \
92 1.2.6.2 jdolecek defined(CPU_XSCALE_PXA2X0))
93 1.2.6.2 jdolecek #define ARM_ARCH_5 1
94 1.2.6.2 jdolecek #else
95 1.2.6.2 jdolecek #define ARM_ARCH_5 0
96 1.2.6.2 jdolecek #endif
97 1.2.6.2 jdolecek
98 1.2.6.2 jdolecek #define ARM_NARCH (ARM_ARCH_2 + ARM_ARCH_3 + ARM_ARCH_4 + ARM_ARCH_5)
99 1.2.6.2 jdolecek #if ARM_NARCH == 0
100 1.2.6.2 jdolecek #error ARM_NARCH is 0
101 1.2.6.2 jdolecek #endif
102 1.2.6.2 jdolecek
103 1.2.6.2 jdolecek /*
104 1.2.6.2 jdolecek * Step 3: Define which MMU classes are configured:
105 1.2.6.2 jdolecek *
106 1.2.6.2 jdolecek * ARM_MMU_MEMC Prehistoric, external memory controller
107 1.2.6.2 jdolecek * and MMU for ARMv2 CPUs.
108 1.2.6.2 jdolecek *
109 1.2.6.2 jdolecek * ARM_MMU_GENERIC Generic ARM MMU, compatible with ARM6.
110 1.2.6.2 jdolecek *
111 1.2.6.2 jdolecek * ARM_MMU_XSCALE XScale MMU. Compatible with generic ARM
112 1.2.6.2 jdolecek * MMU, but also has several extensions which
113 1.2.6.2 jdolecek * require different PTE layout to use.
114 1.2.6.2 jdolecek */
115 1.2.6.2 jdolecek #if !defined(_KERNEL_OPT) || \
116 1.2.6.2 jdolecek (defined(CPU_ARM2) || defined(CPU_ARM250) || defined(CPU_ARM3))
117 1.2.6.2 jdolecek #define ARM_MMU_MEMC 1
118 1.2.6.2 jdolecek #else
119 1.2.6.2 jdolecek #define ARM_MMU_MEMC 0
120 1.2.6.2 jdolecek #endif
121 1.2.6.2 jdolecek
122 1.2.6.2 jdolecek #if !defined(_KERNEL_OPT) || \
123 1.2.6.2 jdolecek (defined(CPU_ARM6) || defined(CPU_ARM7) || defined(CPU_ARM7TDMI) || \
124 1.2.6.2 jdolecek defined(CPU_ARM8) || defined(CPU_ARM9) || defined(CPU_SA110) || \
125 1.2.6.3 jdolecek defined(CPU_SA1100) || defined(CPU_SA1110) || defined(CPU_IXP12X0))
126 1.2.6.2 jdolecek #define ARM_MMU_GENERIC 1
127 1.2.6.2 jdolecek #else
128 1.2.6.2 jdolecek #define ARM_MMU_GENERIC 0
129 1.2.6.2 jdolecek #endif
130 1.2.6.2 jdolecek
131 1.2.6.2 jdolecek #if !defined(_KERNEL_OPT) || \
132 1.2.6.2 jdolecek (defined(CPU_XSCALE_80200) || defined(CPU_XSCALE_80321) || \
133 1.2.6.2 jdolecek defined(CPU_XSCALE_PXA2X0))
134 1.2.6.2 jdolecek #define ARM_MMU_XSCALE 1
135 1.2.6.2 jdolecek #else
136 1.2.6.2 jdolecek #define ARM_MMU_XSCALE 0
137 1.2.6.2 jdolecek #endif
138 1.2.6.2 jdolecek
139 1.2.6.2 jdolecek #define ARM_NMMUS (ARM_MMU_MEMC + ARM_MMU_GENERIC + \
140 1.2.6.2 jdolecek ARM_MMU_XSCALE)
141 1.2.6.2 jdolecek #if ARM_NMMUS == 0
142 1.2.6.2 jdolecek #error ARM_NMMUS is 0
143 1.2.6.2 jdolecek #endif
144 1.2.6.2 jdolecek
145 1.2.6.3 jdolecek /*
146 1.2.6.3 jdolecek * Step 4: Define features that may be present on a subset of CPUs
147 1.2.6.3 jdolecek *
148 1.2.6.3 jdolecek * ARM_XSCALE_PMU Performance Monitoring Unit on 80200 and 80321
149 1.2.6.3 jdolecek */
150 1.2.6.3 jdolecek
151 1.2.6.3 jdolecek #if !defined(_KERNEL_OPT) || \
152 1.2.6.3 jdolecek (defined(CPU_XSCALE_80200) || defined(CPU_XSCALE_80321))
153 1.2.6.3 jdolecek #define ARM_XSCALE_PMU 1
154 1.2.6.3 jdolecek #else
155 1.2.6.3 jdolecek #define ARM_XSCALE_PMU 0
156 1.2.6.3 jdolecek #endif
157 1.2.6.3 jdolecek
158 1.2.6.2 jdolecek #endif /* _ARM_CPUCONF_H_ */
159