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      1  1.55   thorpej /*	$NetBSD: cpu.h,v 1.55 2024/01/20 00:15:32 thorpej Exp $	*/
      2   1.1   tsutsui 
      3   1.1   tsutsui /*
      4  1.38     rmind  * Copyright (c) 1988 University of Utah.
      5   1.1   tsutsui  * Copyright (c) 1982, 1990, 1993
      6   1.1   tsutsui  *	The Regents of the University of California.  All rights reserved.
      7  1.16       agc  *
      8  1.16       agc  * This code is derived from software contributed to Berkeley by
      9  1.16       agc  * the Systems Programming Group of the University of Utah Computer
     10  1.16       agc  * Science Department.
     11  1.16       agc  *
     12  1.16       agc  * Redistribution and use in source and binary forms, with or without
     13  1.16       agc  * modification, are permitted provided that the following conditions
     14  1.16       agc  * are met:
     15  1.16       agc  * 1. Redistributions of source code must retain the above copyright
     16  1.16       agc  *    notice, this list of conditions and the following disclaimer.
     17  1.16       agc  * 2. Redistributions in binary form must reproduce the above copyright
     18  1.16       agc  *    notice, this list of conditions and the following disclaimer in the
     19  1.16       agc  *    documentation and/or other materials provided with the distribution.
     20  1.16       agc  * 3. Neither the name of the University nor the names of its contributors
     21  1.16       agc  *    may be used to endorse or promote products derived from this software
     22  1.16       agc  *    without specific prior written permission.
     23  1.16       agc  *
     24  1.16       agc  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     25  1.16       agc  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     26  1.16       agc  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     27  1.16       agc  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     28  1.16       agc  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     29  1.16       agc  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     30  1.16       agc  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     31  1.16       agc  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     32  1.16       agc  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     33  1.16       agc  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     34  1.16       agc  * SUCH DAMAGE.
     35  1.16       agc  *
     36  1.16       agc  * from: Utah $Hdr: cpu.h 1.16 91/03/25$
     37  1.16       agc  *
     38  1.16       agc  *	@(#)cpu.h	8.4 (Berkeley) 1/5/94
     39  1.16       agc  */
     40   1.1   tsutsui 
     41   1.1   tsutsui #ifndef _NEWS68K_CPU_H_
     42   1.2   tsutsui #define _NEWS68K_CPU_H_
     43   1.1   tsutsui 
     44  1.10       mrg #if defined(_KERNEL_OPT)
     45   1.4   thorpej #include "opt_lockdebug.h"
     46  1.52   thorpej #include "opt_newsconf.h"
     47   1.4   thorpej #endif
     48   1.4   thorpej 
     49   1.1   tsutsui /*
     50   1.1   tsutsui  * Get common m68k CPU definitions.
     51   1.1   tsutsui  */
     52   1.1   tsutsui #include <m68k/cpu.h>
     53   1.1   tsutsui 
     54  1.41   tsutsui #if defined(_KERNEL)
     55  1.41   tsutsui /*
     56  1.41   tsutsui  * Exported definitions unique to news68k cpu support.
     57  1.41   tsutsui  */
     58  1.41   tsutsui 
     59   1.1   tsutsui /*
     60   1.1   tsutsui  * XXX news1700 L2 cache would be corrupted with DC_BE and IC_BE...
     61   1.1   tsutsui  * XXX Should these be defined in machine/cpu.h?
     62   1.1   tsutsui  */
     63   1.1   tsutsui #undef CACHE_ON
     64   1.1   tsutsui #undef CACHE_CLR
     65   1.1   tsutsui #undef IC_CLEAR
     66   1.1   tsutsui #undef DC_CLEAR
     67   1.1   tsutsui #define CACHE_ON	(DC_WA|DC_CLR|DC_ENABLE|IC_CLR|IC_ENABLE)
     68   1.1   tsutsui #define CACHE_CLR	CACHE_ON
     69   1.1   tsutsui #define IC_CLEAR	(DC_WA|DC_ENABLE|IC_CLR|IC_ENABLE)
     70   1.1   tsutsui #define DC_CLEAR	(DC_WA|DC_CLR|DC_ENABLE|IC_ENABLE)
     71   1.1   tsutsui 
     72   1.7   tsutsui #define DCIC_CLR	(DC_CLR|IC_CLR)
     73   1.7   tsutsui #define CACHE_BE	(DC_BE|IC_BE)
     74   1.2   tsutsui 
     75  1.55   thorpej #define	cpu_set_hw_ast(l)						\
     76  1.55   thorpej 	do {								\
     77  1.55   thorpej 		extern volatile u_char *ctrl_ast;			\
     78  1.55   thorpej 		__USE(l);						\
     79  1.55   thorpej 		*ctrl_ast = 0xff;					\
     80  1.55   thorpej 	} while (/*CONSTCOND*/0)
     81   1.4   thorpej 
     82   1.2   tsutsui #if defined(news1700)
     83   1.2   tsutsui #define CACHE_HAVE_PAC
     84   1.2   tsutsui #endif
     85   1.1   tsutsui 
     86   1.2   tsutsui extern int systype;
     87   1.2   tsutsui #define NEWS1700	0
     88   1.2   tsutsui #define NEWS1200	1
     89   1.2   tsutsui 
     90   1.2   tsutsui extern int cpuspeed;
     91   1.7   tsutsui extern char *intiobase, *intiolimit, *extiobase;
     92   1.2   tsutsui extern u_int intiobase_phys, intiotop_phys;
     93   1.2   tsutsui extern u_int extiobase_phys, extiotop_phys;
     94   1.1   tsutsui 
     95  1.40   tsutsui extern void *romcallvec;
     96   1.1   tsutsui 
     97   1.1   tsutsui struct frame;
     98   1.1   tsutsui 
     99  1.13   tsutsui void doboot(int)
    100   1.1   tsutsui 	__attribute__((__noreturn__));
    101  1.13   tsutsui void nmihand(struct frame *);
    102  1.13   tsutsui void ecacheon(void);
    103  1.13   tsutsui void ecacheoff(void);
    104   1.1   tsutsui 
    105   1.1   tsutsui /* machdep.c functions */
    106  1.26  christos int badaddr(void *, int);
    107  1.26  christos int badbaddr(void *);
    108   1.1   tsutsui 
    109   1.1   tsutsui #endif
    110   1.1   tsutsui 
    111   1.1   tsutsui /* physical memory sections */
    112  1.22   tsutsui #define ROMBASE		0xe0000000
    113   1.2   tsutsui 
    114  1.22   tsutsui #define INTIOBASE1700	0xe0c00000
    115  1.22   tsutsui #define INTIOTOP1700	0xe1d00000 /* XXX */
    116  1.22   tsutsui #define EXTIOBASE1700	0xf0f00000
    117  1.22   tsutsui #define EXTIOTOP1700	0xf1000000 /* XXX */
    118  1.22   tsutsui #define CTRL_POWER1700	0xe1380000
    119  1.22   tsutsui #define CTRL_LED1700	0xe0dc0000
    120  1.22   tsutsui 
    121  1.22   tsutsui #define INTIOBASE1200	0xe1000000
    122  1.22   tsutsui #define INTIOTOP1200	0xe1d00000 /* XXX */
    123  1.22   tsutsui #define EXTIOBASE1200	0xe4000000
    124  1.22   tsutsui #define EXTIOTOP1200	0xe4020000 /* XXX */
    125  1.22   tsutsui #define CTRL_POWER1200	0xe1000000
    126  1.22   tsutsui #define CTRL_LED1200	0xe1500001
    127   1.2   tsutsui 
    128  1.22   tsutsui #define MAXADDR		0xfffff000
    129   1.1   tsutsui 
    130   1.1   tsutsui /*
    131   1.1   tsutsui  * Internal IO space:
    132   1.1   tsutsui  *
    133   1.1   tsutsui  * Internal IO space is mapped in the kernel from ``intiobase'' to
    134   1.1   tsutsui  * ``intiolimit'' (defined in locore.s).  Since it is always mapped,
    135   1.1   tsutsui  * conversion between physical and kernel virtual addresses is easy.
    136   1.1   tsutsui  */
    137   1.2   tsutsui #define ISIIOVA(va) \
    138   1.1   tsutsui 	((char *)(va) >= intiobase && (char *)(va) < intiolimit)
    139   1.2   tsutsui #define IIOV(pa)	(((u_int)(pa) - intiobase_phys) + (u_int)intiobase)
    140   1.2   tsutsui #define ISIIOPA(pa) \
    141   1.2   tsutsui 	((u_int)(pa) >= intiobase_phys && (u_int)(pa) < intiotop_phys)
    142   1.2   tsutsui #define IIOP(va)	(((u_int)(va) - (u_int)intiobase) + intiobase_phys)
    143   1.2   tsutsui #define IIOPOFF(pa)	((u_int)(pa) - intiobase_phys)
    144   1.6   tsutsui 
    145   1.6   tsutsui /* XXX EIO space mapping should be modified like hp300 XXX */
    146   1.6   tsutsui #define	EIOSIZE		(extiotop_phys - extiobase_phys)
    147   1.6   tsutsui #define ISEIOVA(va) \
    148   1.6   tsutsui 	((char *)(va) >= extiobase && (char *)(va) < (char *)EIOSIZE)
    149   1.6   tsutsui #define EIOV(pa)	(((u_int)(pa) - extiobase_phys) + (u_int)extiobase)
    150  1.12       chs 
    151  1.12       chs #if defined(CACHE_HAVE_PAC) || defined(CACHE_HAVE_VAC)
    152  1.12       chs #define M68K_CACHEOPS_MACHDEP
    153  1.12       chs #endif
    154  1.12       chs 
    155  1.12       chs #ifdef CACHE_HAVE_PAC
    156  1.12       chs #define M68K_CACHEOPS_MACHDEP_PCIA
    157  1.12       chs #endif
    158  1.12       chs 
    159  1.12       chs #ifdef CACHE_HAVE_VAC
    160  1.12       chs #define M68K_CACHEOPS_MACHDEP_DCIA
    161  1.12       chs #define M68K_CACHEOPS_MACHDEP_DCIS
    162  1.12       chs #define M68K_CACHEOPS_MACHDEP_DCIU
    163  1.12       chs #endif
    164   1.1   tsutsui 
    165   1.1   tsutsui #endif /* !_NEWS68K_CPU_H_ */
    166