sys/arch/arm/iomd/console/consinit.c

   1 /*      $NetBSD: consinit.c,v 1.6 2006/08/14 22:04:30 bjh21 Exp $ */
   2
   3 /*
   4  * Copyright (c) 1994-1998 Mark Brinicombe.
   5  * Copyright (c) 1994 Brini.
   6  * All rights reserved.
   7  *
   8  * This code is derived from software written for Brini by Mark Brinicombe
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *      This product includes software developed by Mark Brinicombe
  21  *      for the NetBSD Project.
  22  * 4. The name of the company nor the name of the author may be used to
  23  *    endorse or promote products derived from this software without specific
  24  *    prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
  27  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  28  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  29  * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  30  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  31  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  32  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  *
  38  * Console init functions for machines with VIDC
  39  *
  40  * Created      : 17/09/94
  41  * Updated      : 18/04/01 updated for new wscons
  42  */
  43
  44 #include <sys/cdefs.h>
  45 __KERNEL_RCSID(0, "$NetBSD: consinit.c,v 1.6 2006/08/14 22:04:30 bjh21 Exp $");
  46
  47 #include <sys/param.h>
  48 #include <sys/systm.h>
  49 #include <sys/kernel.h>
  50 #include <sys/conf.h>
  51 #include <sys/device.h>
  52
  53 #include <machine/bus.h>
  54
  55 #include <dev/cons.h>
  56
  57 #include <arm/iomd/vidc.h>
  58 #include <arm/iomd/iomdreg.h>
  59 #include <arm/iomd/iomdvar.h>
  60 #include <arm/iomd/iomdkbcvar.h>
  61 #include <arm/iomd/vidcvideo.h>
  62
  63 #include "vidcvideo.h"
  64 #include "iomdkbc.h"
  65
  66 #if ((NVIDCVIDEO > 0) && (NIOMDKBC > 0))
  67
  68 extern videomemory_t videomemory;
  69 extern struct bus_space iomd_bs_tag;
  70
  71 #endif
  72
  73
  74 #ifdef COMCONSOLE
  75 extern void comcninit(struct consdev *cp);
  76 #endif
  77
  78
  79 void
  80 consinit(void)
  81 {
  82
  83         static int consinit_called = 0;
  84
  85         if (consinit_called != 0)
  86                 return;
  87         consinit_called = 1;
  88
  89 #ifdef COMCONSOLE
  90         comcninit(NULL);
  91         return;
  92 #endif
  93
  94
  95 #if ((NVIDCVIDEO > 0) && (NIOMDKBC > 0))
  96         vidcvideo_cnattach(videomemory.vidm_vbase);
  97 #if NIOMDKBC > 0
  98         iomdkbc_cnattach(&iomd_bs_tag, IOMD_ADDRESS(IOMD_KBDDAT), 0);
  99 #endif
 100         return;
 101 #else
 102         /* XXX For old VIDC console. */
 103         cninit();
 104         return;
 105 #endif
 106         panic("No console");    /* Will we ever see this?  */
 107 }