sys/arch/alpha/include/cpuconf.h

   1 /*      $NetBSD: cpuconf.h,v 1.12 2000/06/08 03:10:06 thorpej Exp $     */
   2
   3 /*
   4  * Copyright (c) 1996 Christopher G. Demetriou.  All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. All advertising materials mentioning features or use of this software
  15  *    must display the following acknowledgement:
  16  *      This product includes software developed by Christopher G. Demetriou
  17  *      for the NetBSD Project.
  18  * 4. The name of the author may not be used to endorse or promote products
  19  *    derived from this software without specific prior written permission
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32 /*
  33  * Additional reworking by Matthew Jacob for NASA/Ames Research Center.
  34  * Copyright (c) 1997
  35  */
  36
  37 #ifndef _ALPHA_CPUCONF_H_
  38 #define _ALPHA_CPUCONF_H_
  39
  40 /*
  41  * Platform Specific Information and Function Hooks.
  42  *
  43  * The tags family and model information are strings describing the platform.
  44  *
  45  * The tag iobus describes the primary iobus for the platform- primarily
  46  * to give a hint as to where to start configuring. The likely choices
  47  * are one of tcasic, lca, apecs, cia, or tlsb.
  48  */
  49
  50 struct clockframe;
  51
  52 struct platform {
  53         /*
  54          * Platform Information.
  55          */
  56         const char      *family;        /* Family Name */
  57         const char      *model;         /* Model (variant) Name */
  58         const char      *iobus;         /* Primary iobus name */
  59
  60         /*
  61          * Platform Specific Function Hooks
  62          *      cons_init       -       console initialization
  63          *      device_register -       boot configuration aid
  64          *      clockintr       -       Clock Interrupt Handler
  65          *      mcheck_handler  -       Platform Specific Machine Check Handler
  66          */
  67         void    (*cons_init)(void);
  68         void    (*device_register)(struct device *, void *);
  69         void    (*clockintr)(struct clockframe *);
  70         void    (*mcheck_handler)(unsigned long, struct trapframe *,
  71                     unsigned long, unsigned long);
  72         void    (*powerdown)(void);
  73 };
  74
  75 /*
  76  * There is an array of functions to initialize the platform structure.
  77  *
  78  * It's responsible for filling in the family, model_name and iobus
  79  * tags. It may optionally fill in the cons_init, device_register and
  80  * mcheck_handler tags.
  81  *
  82  * The iointr tag is filled in by set_iointr (in interrupt.c).
  83  * The clockintr tag is filled in by cpu_initclocks (in clock.c).
  84  *
  85  * nocpu is function to call when you can't figure what platform you're on.
  86  * There's no return from this function.
  87  */
  88
  89 struct cpuinit {
  90         void    (*init)(void);
  91         u_int64_t systype;
  92         const char *option;
  93 };
  94
  95 #ifdef _KERNEL
  96 #define cpu_notsupp(st, str)    { platform_not_supported, st, str }
  97
  98 #define cpu_init(st, fn, opt)   { fn, st, opt }
  99
 100 extern struct platform platform;
 101 extern const struct cpuinit *platform_lookup(int);
 102 extern void platform_not_configured(void);
 103 extern void platform_not_supported(void);
 104 #endif /* _KERNEL */
 105 #endif /* ! _ALPHA_CPUCONF_H_ */