1/* $NetBSD: cpu.h,v 1.55 2024/01/20 00:15:32 thorpej Exp $ */ 2 3/* 4 * Copyright (c) 1988 University of Utah. 5 * Copyright (c) 1982, 1990, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * the Systems Programming Group of the University of Utah Computer 10 * Science Department. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * from: Utah $Hdr: cpu.h 1.16 91/03/25$ 37 * 38 * @(#)cpu.h 8.4 (Berkeley) 1/5/94 39 */ 40 41#ifndef _NEWS68K_CPU_H_ 42#define _NEWS68K_CPU_H_ 43 44#if defined(_KERNEL_OPT) 45#include "opt_lockdebug.h" 46#include "opt_newsconf.h" 47#endif 48 49/* 50 * Get common m68k CPU definitions. 51 */ 52#include <m68k/cpu.h> 53 54#if defined(_KERNEL) 55/* 56 * Exported definitions unique to news68k cpu support. 57 */ 58 59/* 60 * XXX news1700 L2 cache would be corrupted with DC_BE and IC_BE... 61 * XXX Should these be defined in machine/cpu.h? 62 */ 63#undef CACHE_ON 64#undef CACHE_CLR 65#undef IC_CLEAR 66#undef DC_CLEAR 67#define CACHE_ON (DC_WA|DC_CLR|DC_ENABLE|IC_CLR|IC_ENABLE) 68#define CACHE_CLR CACHE_ON 69#define IC_CLEAR (DC_WA|DC_ENABLE|IC_CLR|IC_ENABLE) 70#define DC_CLEAR (DC_WA|DC_CLR|DC_ENABLE|IC_ENABLE) 71 72#define DCIC_CLR (DC_CLR|IC_CLR) 73#define CACHE_BE (DC_BE|IC_BE) 74 75#define cpu_set_hw_ast(l) \ 76 do { \ 77 extern volatile u_char *ctrl_ast; \ 78 __USE(l); \ 79 *ctrl_ast = 0xff; \ 80 } while (/*CONSTCOND*/0) 81 82#if defined(news1700) 83#define CACHE_HAVE_PAC 84#endif 85 86extern int systype; 87#define NEWS1700 0 88#define NEWS1200 1 89 90extern int cpuspeed; 91extern char *intiobase, *intiolimit, *extiobase; 92extern u_int intiobase_phys, intiotop_phys; 93extern u_int extiobase_phys, extiotop_phys; 94 95extern void *romcallvec; 96 97struct frame; 98 99void doboot(int) 100 __attribute__((__noreturn__)); 101void nmihand(struct frame *); 102void ecacheon(void); 103void ecacheoff(void); 104 105/* machdep.c functions */ 106int badaddr(void *, int); 107int badbaddr(void *); 108 109#endif 110 111/* physical memory sections */ 112#define ROMBASE 0xe0000000 113 114#define INTIOBASE1700 0xe0c00000 115#define INTIOTOP1700 0xe1d00000 /* XXX */ 116#define EXTIOBASE1700 0xf0f00000 117#define EXTIOTOP1700 0xf1000000 /* XXX */ 118#define CTRL_POWER1700 0xe1380000 119#define CTRL_LED1700 0xe0dc0000 120 121#define INTIOBASE1200 0xe1000000 122#define INTIOTOP1200 0xe1d00000 /* XXX */ 123#define EXTIOBASE1200 0xe4000000 124#define EXTIOTOP1200 0xe4020000 /* XXX */ 125#define CTRL_POWER1200 0xe1000000 126#define CTRL_LED1200 0xe1500001 127 128#define MAXADDR 0xfffff000 129 130/* 131 * Internal IO space: 132 * 133 * Internal IO space is mapped in the kernel from ``intiobase'' to 134 * ``intiolimit'' (defined in locore.s). Since it is always mapped, 135 * conversion between physical and kernel virtual addresses is easy. 136 */ 137#define ISIIOVA(va) \ 138 ((char *)(va) >= intiobase && (char *)(va) < intiolimit) 139#define IIOV(pa) (((u_int)(pa) - intiobase_phys) + (u_int)intiobase) 140#define ISIIOPA(pa) \ 141 ((u_int)(pa) >= intiobase_phys && (u_int)(pa) < intiotop_phys) 142#define IIOP(va) (((u_int)(va) - (u_int)intiobase) + intiobase_phys) 143#define IIOPOFF(pa) ((u_int)(pa) - intiobase_phys) 144 145/* XXX EIO space mapping should be modified like hp300 XXX */ 146#define EIOSIZE (extiotop_phys - extiobase_phys) 147#define ISEIOVA(va) \ 148 ((char *)(va) >= extiobase && (char *)(va) < (char *)EIOSIZE) 149#define EIOV(pa) (((u_int)(pa) - extiobase_phys) + (u_int)extiobase) 150 151#if defined(CACHE_HAVE_PAC) || defined(CACHE_HAVE_VAC) 152#define M68K_CACHEOPS_MACHDEP 153#endif 154 155#ifdef CACHE_HAVE_PAC 156#define M68K_CACHEOPS_MACHDEP_PCIA 157#endif 158 159#ifdef CACHE_HAVE_VAC 160#define M68K_CACHEOPS_MACHDEP_DCIA 161#define M68K_CACHEOPS_MACHDEP_DCIS 162#define M68K_CACHEOPS_MACHDEP_DCIU 163#endif 164 165#endif /* !_NEWS68K_CPU_H_ */ 166