1 /* $NetBSD: cpuconf.h,v 1.8 2003/09/06 08:55:42 rearnsha Exp $ */
4 * Copyright (c) 2002 Wasabi Systems, Inc.
7 * Written by Jason R. Thorpe for Wasabi Systems, Inc.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed for the NetBSD Project by
20 * Wasabi Systems, Inc.
21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 * or promote products derived from this software without specific prior
25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
41 #ifndef _MACHINE_CPUCONF_H_
42 #define _MACHINE_CPUCONF_H_
45 * IF YOU CHANGE THIS FILE, MAKE SURE TO UPDATE THE DEFINITION OF
46 * "PMAP_NEEDS_PTE_SYNC" IN <arm/arm32/pmap.h> FOR THE CPU TYPE
47 * YOU ARE ADDING SUPPORT FOR.
51 * Step 1: Count the number of CPU types configured into the kernel.
53 #define CPU_NTYPES (defined(CPU_ARM9) + \
54 defined(CPU_ARM9E) + \
55 defined(CPU_ARM10) + \
56 defined(CPU_ARM1136) + \
57 defined(CPU_ARM1176) + \
58 defined(CPU_XSCALE_80200) + \
59 defined(CPU_XSCALE_80321) + \
60 defined(CPU_XSCALE_PXA2X0) + \
61 defined(CPU_FA526) + \
62 defined(CPU_FA626TE) + \
63 defined(CPU_XSCALE_IXP425)) + \
64 defined(CPU_CORTEXA) + \
65 defined(CPU_KRAIT) + \
69 * Step 2: Determine which ARM architecture versions are configured.
71 #if defined(CPU_ARM9) || defined(CPU_FA526)
77 #if (defined(CPU_ARM9E) || defined(CPU_ARM10) || \
78 defined(CPU_XSCALE_80200) || defined(CPU_XSCALE_80321) || \
79 defined(CPU_XSCALE_80219) || defined(CPU_XSCALE_81342) || \
80 defined(CPU_XSCALE_PXA2X0) || defined(CPU_XSCALE_IXP425) || \
87 #if !defined(ARM_ARCH_6)
88 #if defined(CPU_ARM1136) || defined(CPU_ARM1176) || defined(CPU_MV_PJ4B)
95 #if defined(CPU_CORTEXA) || defined(CPU_KRAIT)
101 #define ARM_NARCH (ARM_ARCH_4 + ARM_ARCH_5 + ARM_ARCH_6 | ARM_ARCH_7A)
102 #if ARM_NARCH == 0 && !defined(KLD_MODULE) && defined(_KERNEL)
103 #error ARM_NARCH is 0
106 #if ARM_ARCH_5 || ARM_ARCH_6 || ARM_ARCH_7A
108 * We could support Thumb code on v4T, but the lack of clean interworking
115 * Step 3: Define which MMU classes are configured:
117 * ARM_MMU_MEMC Prehistoric, external memory controller
118 * and MMU for ARMv2 CPUs.
120 * ARM_MMU_GENERIC Generic ARM MMU, compatible with ARMv4 and v5.
122 * ARM_MMU_V6 ARMv6 MMU.
124 * ARM_MMU_V7 ARMv7 MMU.
126 * ARM_MMU_XSCALE XScale MMU. Compatible with generic ARM
127 * MMU, but also has several extensions which
128 * require different PTE layout to use.
130 #if (defined(CPU_ARM9) || defined(CPU_ARM9E) || \
131 defined(CPU_ARM10) || defined(CPU_FA526) || \
132 defined(CPU_FA626TE))
133 #define ARM_MMU_GENERIC 1
135 #define ARM_MMU_GENERIC 0
138 #if defined(CPU_ARM1136) || defined(CPU_ARM1176) || defined(CPU_MV_PJ4B)
144 #if defined(CPU_CORTEXA) || defined(CPU_KRAIT)
150 #if (defined(CPU_XSCALE_80200) || defined(CPU_XSCALE_80321) || \
151 defined(CPU_XSCALE_PXA2X0) || defined(CPU_XSCALE_IXP425) || \
152 defined(CPU_XSCALE_80219) || defined(CPU_XSCALE_81342))
153 #define ARM_MMU_XSCALE 1
155 #define ARM_MMU_XSCALE 0
158 #define ARM_NMMUS (ARM_MMU_GENERIC + ARM_MMU_V6 + \
159 ARM_MMU_V7 + ARM_MMU_XSCALE)
160 #if ARM_NMMUS == 0 && !defined(KLD_MODULE) && defined(_KERNEL)
161 #error ARM_NMMUS is 0
165 * Step 4: Define features that may be present on a subset of CPUs
167 * ARM_XSCALE_PMU Performance Monitoring Unit on 80200 and 80321
170 #if (defined(CPU_XSCALE_80200) || defined(CPU_XSCALE_80321) || \
171 defined(CPU_XSCALE_80219) || defined(CPU_XSCALE_81342))
172 #define ARM_XSCALE_PMU 1
174 #define ARM_XSCALE_PMU 0
177 #if defined(CPU_XSCALE_81342)
178 #define CPU_XSCALE_CORE3
180 #endif /* _MACHINE_CPUCONF_H_ */