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/* $NetBSD: cpuconf.h,v 1.8 2003/09/06 08:55:42 rearnsha Exp $ */
/*-
* Copyright (c) 2002 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Jason R. Thorpe for Wasabi Systems, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project by
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD: release/9.1.0/sys/arm/include/cpuconf.h 215031 2010-11-09 09:34:21Z kevlo $
*
*/
#ifndef _MACHINE_CPUCONF_H_
#define _MACHINE_CPUCONF_H_
/*
* IF YOU CHANGE THIS FILE, MAKE SURE TO UPDATE THE DEFINITION OF
* "PMAP_NEEDS_PTE_SYNC" IN <arm/arm32/pmap.h> FOR THE CPU TYPE
* YOU ARE ADDING SUPPORT FOR.
*/
/*
* Step 1: Count the number of CPU types configured into the kernel.
*/
#define CPU_NTYPES (defined(CPU_ARM7TDMI) + \
defined(CPU_ARM8) + defined(CPU_ARM9) + \
defined(CPU_ARM9E) + \
defined(CPU_ARM10) + \
defined(CPU_ARM11) + \
defined(CPU_SA110) + defined(CPU_SA1100) + \
defined(CPU_SA1110) + \
defined(CPU_IXP12X0) + \
defined(CPU_XSCALE_80200) + \
defined(CPU_XSCALE_80321) + \
defined(CPU_XSCALE_PXA2X0) + \
defined(CPU_FA526) + \
defined(CPU_FA626TE) + \
defined(CPU_XSCALE_IXP425))
/*
* Step 2: Determine which ARM architecture versions are configured.
*/
#if (defined(CPU_ARM7TDMI) || defined(CPU_ARM8) || defined(CPU_ARM9) || \
defined(CPU_SA110) || defined(CPU_SA1100) || defined(CPU_SA1110) || \
defined(CPU_IXP12X0) || defined(CPU_FA526))
#define ARM_ARCH_4 1
#else
#define ARM_ARCH_4 0
#endif
#if (defined(CPU_ARM9E) || defined(CPU_ARM10) || \
defined(CPU_XSCALE_80200) || defined(CPU_XSCALE_80321) || \
defined(CPU_XSCALE_80219) || defined(CPU_XSCALE_81342) || \
defined(CPU_XSCALE_PXA2X0) || defined(CPU_XSCALE_IXP425) || \
defined(CPU_FA626TE))
#define ARM_ARCH_5 1
#else
#define ARM_ARCH_5 0
#endif
#if defined(CPU_ARM11)
#define ARM_ARCH_6 1
#else
#define ARM_ARCH_6 0
#endif
#define ARM_NARCH (ARM_ARCH_4 + ARM_ARCH_5 + ARM_ARCH_6)
#if ARM_NARCH == 0 && !defined(KLD_MODULE) && defined(_KERNEL)
#error ARM_NARCH is 0
#endif
#if ARM_ARCH_5 || ARM_ARCH_6
/*
* We could support Thumb code on v4T, but the lack of clean interworking
* makes that hard.
*/
#define THUMB_CODE
#endif
/*
* Step 3: Define which MMU classes are configured:
*
* ARM_MMU_MEMC Prehistoric, external memory controller
* and MMU for ARMv2 CPUs.
*
* ARM_MMU_GENERIC Generic ARM MMU, compatible with ARM6.
*
* ARM_MMU_SA1 StrongARM SA-1 MMU. Compatible with generic
* ARM MMU, but has no write-through cache mode.
*
* ARM_MMU_XSCALE XScale MMU. Compatible with generic ARM
* MMU, but also has several extensions which
* require different PTE layout to use.
*/
#if (defined(CPU_ARM2) || defined(CPU_ARM250) || defined(CPU_ARM3))
#define ARM_MMU_MEMC 1
#else
#define ARM_MMU_MEMC 0
#endif
#if (defined(CPU_ARM6) || defined(CPU_ARM7) || defined(CPU_ARM7TDMI) || \
defined(CPU_ARM8) || defined(CPU_ARM9) || defined(CPU_ARM9E) || \
defined(CPU_ARM10) || defined(CPU_ARM11) || defined(CPU_FA526) || \
defined(CPU_FA626TE))
#define ARM_MMU_GENERIC 1
#else
#define ARM_MMU_GENERIC 0
#endif
#if (defined(CPU_SA110) || defined(CPU_SA1100) || defined(CPU_SA1110) ||\
defined(CPU_IXP12X0))
#define ARM_MMU_SA1 1
#else
#define ARM_MMU_SA1 0
#endif
#if (defined(CPU_XSCALE_80200) || defined(CPU_XSCALE_80321) || \
defined(CPU_XSCALE_PXA2X0) || defined(CPU_XSCALE_IXP425) || \
defined(CPU_XSCALE_80219) || defined(CPU_XSCALE_81342))
#define ARM_MMU_XSCALE 1
#else
#define ARM_MMU_XSCALE 0
#endif
#define ARM_NMMUS (ARM_MMU_MEMC + ARM_MMU_GENERIC + \
ARM_MMU_SA1 + ARM_MMU_XSCALE)
#if ARM_NMMUS == 0 && !defined(KLD_MODULE) && defined(_KERNEL)
#error ARM_NMMUS is 0
#endif
/*
* Step 4: Define features that may be present on a subset of CPUs
*
* ARM_XSCALE_PMU Performance Monitoring Unit on 80200 and 80321
*/
#if (defined(CPU_XSCALE_80200) || defined(CPU_XSCALE_80321) || \
defined(CPU_XSCALE_80219) || defined(CPU_XSCALE_81342))
#define ARM_XSCALE_PMU 1
#else
#define ARM_XSCALE_PMU 0
#endif
#if defined(CPU_XSCALE_81342)
#define CPU_XSCALE_CORE3
#endif
#endif /* _MACHINE_CPUCONF_H_ */