NetBSD/sys/arch/hp300/include/hp300spu.h
2008-04-28 20:22:51 +00:00

134 lines
4.2 KiB
C

/* $NetBSD: hp300spu.h,v 1.13 2008/04/28 20:23:19 martin Exp $ */
/*-
* Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 THE FOUNDATION OR CONTRIBUTORS
* 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.
*/
#ifndef _HP300_HP300SPU_H_
#define _HP300_HP300SPU_H_
/*
* This file describes various constants that describe and/or
* are unique to the HP 9000/300 or 400 SPUs.
*/
/* values for machineid */
#define HP_320 0 /* 16MHz 68020+HP MMU+16K external cache */
#define HP_330 1 /* 16MHz 68020+68851 MMU */
#define HP_350 2 /* 25MHz 68020+HP MMU+32K external cache */
#define HP_360 3 /* 25MHz 68030 */
#define HP_370 4 /* 33MHz 68030+64K external cache */
#define HP_340 5 /* 16MHz 68030 */
#define HP_345 6 /* 50MHz 68030+32K external cache */
#define HP_375 7 /* 50MHz 68030+32K external cache */
#define HP_400 8 /* 50MHz 68030+32K external cache */
#define HP_380 9 /* 25MHz 68040 */
#define HP_425 10 /* 25MHz 68040 */
#define HP_433 11 /* 33MHz 68040 */
#define HP_385 12 /* 33MHz 68040 */
#define HP_362 13 /* 25MHz 68030 */
#define HP_382 14 /* 25MHz 68040 */
/* values for mmuid - used to differentiate similar CPU/cache combos */
#define MMUID_345 1 /* 345 */
#define MMUID_375 3 /* 375 */
#define MMUID_382 11 /* 382 */
#define MMUID_385 2 /* 385 */
#define MMUID_425_T 5 /* 425t - 25MHz Trailways */
#define MMUID_425_S 7 /* 425s - 25MHz Strider */
#define MMUID_433_T 4 /* 433t - 33MHz Trailways */
#define MMUID_433_S 6 /* 433s - 33MHz Strider */
#define MMUID_425_E 9 /* 425e - 25MHz Woody */
#define MMUID_SHIFT 8 /* left shift by this... */
#define MMUID_MASK 0xff /* ...and mask with this to get mmuid */
#if defined (_KERNEL) && !defined(_LOCORE)
extern int machineid; /* CPU model */
extern int cpuspeed; /* CPU speed, in MHz */
extern int mmuid; /* MMU id */
#endif /* _KERNEL && ! _LOCORE */
#ifdef _KERNEL
/*
* This section associates hp300 model configurations with certain
* combindations of CPU, MMU, and cache.
*/
/*
* Pull in user-defined SPU configuration options.
*/
#if defined(_KERNEL_OPT)
#include "opt_spuconf.h"
#endif
/*
* CPU configuration.
*/
#if defined(HP320) || defined(HP330) || defined(HP350)
#define M68020
#endif
#if defined(HP340) || defined(HP345) || defined(HP360) || defined(HP362) || \
defined(HP370) || defined(HP375) || defined(HP400)
#define M68030
#endif
#if defined(HP380) || defined(HP382) || defined(HP385) || defined(HP425) || \
defined(HP433)
#define M68040
#endif
/*
* MMU configuration.
*/
#if defined(HP320) || defined(HP350)
#define M68K_MMU_HP
#endif
#if defined(HP330) || defined(M68030) || defined(M68040)
#define M68K_MMU_MOTOROLA
#endif
/*
* Cache configuration.
*/
#if defined(M68K_MMU_HP)
#define CACHE_HAVE_VAC
#define M68K_VAC
#endif
#if defined(HP345) || defined(HP370) || defined(HP375) || defined(HP400)
#define CACHE_HAVE_PAC
#endif
#endif /* _KERNEL */
#endif /* _HP300_HP300SPU_H_ */