sys/arch/mips/rmi/rmixl_mainbus.c

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * Copyright (c) 1994,1995 Mark Brinicombe.
   5  * Copyright (c) 1994 Brini.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. All advertising materials mentioning features or use of this software
  17  *    must display the following acknowledgement:
  18  *      This product includes software developed by Brini.
  19  * 4. The name of the company nor the name of the author may be used to
  20  *    endorse or promote products derived from this software without specific
  21  *    prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
  24  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  25  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  26  * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  27  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  28  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  29  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  *
  35  * RiscBSD kernel project
  36  *
  37  * mainbus.c
  38  *
  39  * mainbus configuration
  40  *
  41  * Created      : 15/12/94
  42  */
  43
  44 #include <sys/cdefs.h>
  45 __KERNEL_RCSID(0, "$NetBSD$");
  46
  47 #include <sys/param.h>
  48 #include <sys/systm.h>
  49 #include <sys/kernel.h>
  50 #include <sys/conf.h>
  51 #include <sys/malloc.h>
  52 #include <sys/device.h>
  53
  54 #include <machine/bus.h>
  55 #include "locators.h"
  56
  57 static int  mainbusmatch(device_t,  cfdata_t, void *);
  58 static void mainbusattach(device_t,  device_t,  void *);
  59 static int  mainbussearch(device_t,  cfdata_t, const int *, void *);
  60
  61 CFATTACH_DECL_NEW(mainbus, 0, mainbusmatch, mainbusattach, NULL, NULL);
  62
  63 static int mainbus_found;
  64
  65 static int
  66 mainbusmatch(device_t parent, cfdata_t cf, void *aux)
  67 {
  68         if (mainbus_found)
  69                 return 0;
  70         return 1;
  71 }
  72
  73 static int
  74 mainbussearch(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
  75 {
  76         if (config_match(parent, cf, NULL) > 0)
  77                 config_attach(parent, cf, aux, NULL);
  78
  79         return 0;
  80 }
  81
  82 static void
  83 mainbusattach(device_t parent, device_t self, void *aux)
  84 {
  85         aprint_naive("\n");
  86         aprint_normal("\n");
  87
  88         mainbus_found = 1;
  89         config_search_ia(mainbussearch, self, "mainbus", NULL);
  90 }