1 /* $NetBSD: cpuconf.h,v 1.2 2002/05/03 03:28:49 thorpej Exp $ */ 2 3 /* 4 * Copyright (c 2002 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Jason R. Thorpe for Wasabi Systems, Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 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 23 * written permission. 24 * 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. 36 */ 37 38 #ifndef _ARM_CPUCONF_H_ 39 #define _ARM_CPUCONF_H_ 40 41 #if defined(_KERNEL_OPT) 42 #include "opt_cputypes.h" 43 #endif /* _KERNEL_OPT */ 44 45 /* 46 * Step 1: Count the number of CPU types configured into the kernel. 47 */ 48 #if defined(_KERNEL_OPT) 49 #define CPU_NTYPES (defined(CPU_ARM2) + defined(CPU_ARM250) + \ 50 defined(CPU_ARM3) + \ 51 defined(CPU_ARM6) + defined(CPU_ARM7) + \ 52 defined(CPU_ARM7TDMI) + \ 53 defined(CPU_ARM8) + defined(CPU_ARM9) + \ 54 defined(CPU_SA110) + defined(CPU_SA1100) + \ 55 defined(CPU_SA1110) + \ 56 defined(CPU_XSCALE_80200) + \ 57 defined(CPU_XSCALE_80321) + \ 58 defined(CPU_XSCALE_PXA2X0)) 59 #else 60 #define CPU_NTYPES 2 61 #endif /* _KERNEL_OPT */ 62 63 /* 64 * Step 2: Determine which ARM architecture versions are configured. 65 */ 66 #if !defined(_KERNEL_OPT) || \ 67 (defined(CPU_ARM2) || defined(CPU_ARM250) || defined(CPU_ARM3)) 68 #define ARM_ARCH_2 1 69 #else 70 #define ARM_ARCH_2 0 71 #endif 72 73 #if !defined(_KERNEL_OPT) || \ 74 (defined(CPU_ARM6) || defined(CPU_ARM7)) 75 #define ARM_ARCH_3 1 76 #else 77 #define ARM_ARCH_3 0 78 #endif 79 80 #if !defined(_KERNEL_OPT) || \ 81 (defined(CPU_ARM7TDMI) || defined(CPU_ARM8) || defined(CPU_ARM9) || \ 82 defined(CPU_SA110) || defined(CPU_SA1100) || defined(CPU_SA1110)) 83 #define ARM_ARCH_4 1 84 #else 85 #define ARM_ARCH_4 0 86 #endif 87 88 #if !defined(_KERNEL_OPT) || \ 89 (defined(CPU_XSCALE_80200) || defined(CPU_XSCALE_80321) || \ 90 defined(CPU_XSCALE_PXA2X0)) 91 #define ARM_ARCH_5 1 92 #else 93 #define ARM_ARCH_5 0 94 #endif 95 96 #define ARM_NARCH (ARM_ARCH_2 + ARM_ARCH_3 + ARM_ARCH_4 + ARM_ARCH_5) 97 #if ARM_NARCH == 0 98 #error ARM_NARCH is 0 99 #endif 100 101 /* 102 * Step 3: Define which MMU classes are configured: 103 * 104 * ARM_MMU_MEMC Prehistoric, external memory controller 105 * and MMU for ARMv2 CPUs. 106 * 107 * ARM_MMU_GENERIC Generic ARM MMU, compatible with ARM6. 108 * 109 * ARM_MMU_XSCALE XScale MMU. Compatible with generic ARM 110 * MMU, but also has several extensions which 111 * require different PTE layout to use. 112 */ 113 #if !defined(_KERNEL_OPT) || \ 114 (defined(CPU_ARM2) || defined(CPU_ARM250) || defined(CPU_ARM3)) 115 #define ARM_MMU_MEMC 1 116 #else 117 #define ARM_MMU_MEMC 0 118 #endif 119 120 #if !defined(_KERNEL_OPT) || \ 121 (defined(CPU_ARM6) || defined(CPU_ARM7) || defined(CPU_ARM7TDMI) || \ 122 defined(CPU_ARM8) || defined(CPU_ARM9) || defined(CPU_SA110) || \ 123 defined(CPU_SA1100) || defined(CPU_SA1110)) 124 #define ARM_MMU_GENERIC 1 125 #else 126 #define ARM_MMU_GENERIC 0 127 #endif 128 129 #if !defined(_KERNEL_OPT) || \ 130 (defined(CPU_XSCALE_80200) || defined(CPU_XSCALE_80321) || \ 131 defined(CPU_XSCALE_PXA2X0)) 132 #define ARM_MMU_XSCALE 1 133 #else 134 #define ARM_MMU_XSCALE 0 135 #endif 136 137 #define ARM_NMMUS (ARM_MMU_MEMC + ARM_MMU_GENERIC + \ 138 ARM_MMU_XSCALE) 139 #if ARM_NMMUS == 0 140 #error ARM_NMMUS is 0 141 #endif 142 143 #endif /* _ARM_CPUCONF_H_ */ 144