cpuconf.h revision 1.1.2.5 1 1.1.2.5 nathanw /* $NetBSD: cpuconf.h,v 1.1.2.5 2002/08/13 02:17:53 nathanw Exp $ */
2 1.1.2.2 nathanw
3 1.1.2.2 nathanw /*
4 1.1.2.2 nathanw * Copyright (c 2002 Wasabi Systems, Inc.
5 1.1.2.2 nathanw * All rights reserved.
6 1.1.2.2 nathanw *
7 1.1.2.2 nathanw * Written by Jason R. Thorpe for Wasabi Systems, Inc.
8 1.1.2.2 nathanw *
9 1.1.2.2 nathanw * Redistribution and use in source and binary forms, with or without
10 1.1.2.2 nathanw * modification, are permitted provided that the following conditions
11 1.1.2.2 nathanw * are met:
12 1.1.2.2 nathanw * 1. Redistributions of source code must retain the above copyright
13 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer.
14 1.1.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright
15 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer in the
16 1.1.2.2 nathanw * documentation and/or other materials provided with the distribution.
17 1.1.2.2 nathanw * 3. All advertising materials mentioning features or use of this software
18 1.1.2.2 nathanw * must display the following acknowledgement:
19 1.1.2.2 nathanw * This product includes software developed for the NetBSD Project by
20 1.1.2.2 nathanw * Wasabi Systems, Inc.
21 1.1.2.2 nathanw * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 1.1.2.2 nathanw * or promote products derived from this software without specific prior
23 1.1.2.2 nathanw * written permission.
24 1.1.2.2 nathanw *
25 1.1.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 1.1.2.2 nathanw * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 1.1.2.2 nathanw * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 1.1.2.2 nathanw * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
29 1.1.2.2 nathanw * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 1.1.2.2 nathanw * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 1.1.2.2 nathanw * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 1.1.2.2 nathanw * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 1.1.2.2 nathanw * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 1.1.2.2 nathanw * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 1.1.2.2 nathanw * POSSIBILITY OF SUCH DAMAGE.
36 1.1.2.2 nathanw */
37 1.1.2.2 nathanw
38 1.1.2.2 nathanw #ifndef _ARM_CPUCONF_H_
39 1.1.2.2 nathanw #define _ARM_CPUCONF_H_
40 1.1.2.2 nathanw
41 1.1.2.2 nathanw #if defined(_KERNEL_OPT)
42 1.1.2.2 nathanw #include "opt_cputypes.h"
43 1.1.2.2 nathanw #endif /* _KERNEL_OPT */
44 1.1.2.2 nathanw
45 1.1.2.2 nathanw /*
46 1.1.2.2 nathanw * Step 1: Count the number of CPU types configured into the kernel.
47 1.1.2.2 nathanw */
48 1.1.2.2 nathanw #if defined(_KERNEL_OPT)
49 1.1.2.2 nathanw #define CPU_NTYPES (defined(CPU_ARM2) + defined(CPU_ARM250) + \
50 1.1.2.2 nathanw defined(CPU_ARM3) + \
51 1.1.2.2 nathanw defined(CPU_ARM6) + defined(CPU_ARM7) + \
52 1.1.2.2 nathanw defined(CPU_ARM7TDMI) + \
53 1.1.2.2 nathanw defined(CPU_ARM8) + defined(CPU_ARM9) + \
54 1.1.2.2 nathanw defined(CPU_SA110) + defined(CPU_SA1100) + \
55 1.1.2.2 nathanw defined(CPU_SA1110) + \
56 1.1.2.4 nathanw defined(CPU_IXP12X0) + \
57 1.1.2.2 nathanw defined(CPU_XSCALE_80200) + \
58 1.1.2.3 nathanw defined(CPU_XSCALE_80321) + \
59 1.1.2.3 nathanw defined(CPU_XSCALE_PXA2X0))
60 1.1.2.2 nathanw #else
61 1.1.2.2 nathanw #define CPU_NTYPES 2
62 1.1.2.2 nathanw #endif /* _KERNEL_OPT */
63 1.1.2.2 nathanw
64 1.1.2.2 nathanw /*
65 1.1.2.2 nathanw * Step 2: Determine which ARM architecture versions are configured.
66 1.1.2.2 nathanw */
67 1.1.2.2 nathanw #if !defined(_KERNEL_OPT) || \
68 1.1.2.2 nathanw (defined(CPU_ARM2) || defined(CPU_ARM250) || defined(CPU_ARM3))
69 1.1.2.2 nathanw #define ARM_ARCH_2 1
70 1.1.2.2 nathanw #else
71 1.1.2.2 nathanw #define ARM_ARCH_2 0
72 1.1.2.2 nathanw #endif
73 1.1.2.2 nathanw
74 1.1.2.2 nathanw #if !defined(_KERNEL_OPT) || \
75 1.1.2.2 nathanw (defined(CPU_ARM6) || defined(CPU_ARM7))
76 1.1.2.2 nathanw #define ARM_ARCH_3 1
77 1.1.2.2 nathanw #else
78 1.1.2.2 nathanw #define ARM_ARCH_3 0
79 1.1.2.2 nathanw #endif
80 1.1.2.2 nathanw
81 1.1.2.2 nathanw #if !defined(_KERNEL_OPT) || \
82 1.1.2.2 nathanw (defined(CPU_ARM7TDMI) || defined(CPU_ARM8) || defined(CPU_ARM9) || \
83 1.1.2.4 nathanw defined(CPU_SA110) || defined(CPU_SA1100) || defined(CPU_SA1110) || \
84 1.1.2.4 nathanw defined(CPU_IXP12X0))
85 1.1.2.2 nathanw #define ARM_ARCH_4 1
86 1.1.2.2 nathanw #else
87 1.1.2.2 nathanw #define ARM_ARCH_4 0
88 1.1.2.2 nathanw #endif
89 1.1.2.2 nathanw
90 1.1.2.2 nathanw #if !defined(_KERNEL_OPT) || \
91 1.1.2.3 nathanw (defined(CPU_XSCALE_80200) || defined(CPU_XSCALE_80321) || \
92 1.1.2.3 nathanw defined(CPU_XSCALE_PXA2X0))
93 1.1.2.2 nathanw #define ARM_ARCH_5 1
94 1.1.2.2 nathanw #else
95 1.1.2.2 nathanw #define ARM_ARCH_5 0
96 1.1.2.2 nathanw #endif
97 1.1.2.2 nathanw
98 1.1.2.2 nathanw #define ARM_NARCH (ARM_ARCH_2 + ARM_ARCH_3 + ARM_ARCH_4 + ARM_ARCH_5)
99 1.1.2.2 nathanw #if ARM_NARCH == 0
100 1.1.2.2 nathanw #error ARM_NARCH is 0
101 1.1.2.2 nathanw #endif
102 1.1.2.2 nathanw
103 1.1.2.2 nathanw /*
104 1.1.2.2 nathanw * Step 3: Define which MMU classes are configured:
105 1.1.2.2 nathanw *
106 1.1.2.2 nathanw * ARM_MMU_MEMC Prehistoric, external memory controller
107 1.1.2.2 nathanw * and MMU for ARMv2 CPUs.
108 1.1.2.2 nathanw *
109 1.1.2.2 nathanw * ARM_MMU_GENERIC Generic ARM MMU, compatible with ARM6.
110 1.1.2.2 nathanw *
111 1.1.2.2 nathanw * ARM_MMU_XSCALE XScale MMU. Compatible with generic ARM
112 1.1.2.2 nathanw * MMU, but also has several extensions which
113 1.1.2.2 nathanw * require different PTE layout to use.
114 1.1.2.2 nathanw */
115 1.1.2.2 nathanw #if !defined(_KERNEL_OPT) || \
116 1.1.2.2 nathanw (defined(CPU_ARM2) || defined(CPU_ARM250) || defined(CPU_ARM3))
117 1.1.2.2 nathanw #define ARM_MMU_MEMC 1
118 1.1.2.2 nathanw #else
119 1.1.2.2 nathanw #define ARM_MMU_MEMC 0
120 1.1.2.2 nathanw #endif
121 1.1.2.2 nathanw
122 1.1.2.2 nathanw #if !defined(_KERNEL_OPT) || \
123 1.1.2.2 nathanw (defined(CPU_ARM6) || defined(CPU_ARM7) || defined(CPU_ARM7TDMI) || \
124 1.1.2.2 nathanw defined(CPU_ARM8) || defined(CPU_ARM9) || defined(CPU_SA110) || \
125 1.1.2.4 nathanw defined(CPU_SA1100) || defined(CPU_SA1110) || defined(CPU_IXP12X0))
126 1.1.2.2 nathanw #define ARM_MMU_GENERIC 1
127 1.1.2.2 nathanw #else
128 1.1.2.2 nathanw #define ARM_MMU_GENERIC 0
129 1.1.2.2 nathanw #endif
130 1.1.2.2 nathanw
131 1.1.2.2 nathanw #if !defined(_KERNEL_OPT) || \
132 1.1.2.3 nathanw (defined(CPU_XSCALE_80200) || defined(CPU_XSCALE_80321) || \
133 1.1.2.3 nathanw defined(CPU_XSCALE_PXA2X0))
134 1.1.2.2 nathanw #define ARM_MMU_XSCALE 1
135 1.1.2.2 nathanw #else
136 1.1.2.2 nathanw #define ARM_MMU_XSCALE 0
137 1.1.2.2 nathanw #endif
138 1.1.2.2 nathanw
139 1.1.2.2 nathanw #define ARM_NMMUS (ARM_MMU_MEMC + ARM_MMU_GENERIC + \
140 1.1.2.2 nathanw ARM_MMU_XSCALE)
141 1.1.2.2 nathanw #if ARM_NMMUS == 0
142 1.1.2.2 nathanw #error ARM_NMMUS is 0
143 1.1.2.2 nathanw #endif
144 1.1.2.2 nathanw
145 1.1.2.5 nathanw /*
146 1.1.2.5 nathanw * Step 4: Define features that may be present on a subset of CPUs
147 1.1.2.5 nathanw *
148 1.1.2.5 nathanw * ARM_XSCALE_PMU Performance Monitoring Unit on 80200 and 80321
149 1.1.2.5 nathanw */
150 1.1.2.5 nathanw
151 1.1.2.5 nathanw #if !defined(_KERNEL_OPT) || \
152 1.1.2.5 nathanw (defined(CPU_XSCALE_80200) || defined(CPU_XSCALE_80321))
153 1.1.2.5 nathanw #define ARM_XSCALE_PMU 1
154 1.1.2.5 nathanw #else
155 1.1.2.5 nathanw #define ARM_XSCALE_PMU 0
156 1.1.2.5 nathanw #endif
157 1.1.2.5 nathanw
158 1.1.2.2 nathanw #endif /* _ARM_CPUCONF_H_ */
159