sys/arch/evbppc/explora/consinit.c

   1 /*      $NetBSD: consinit.c,v 1.6 2007/11/27 10:59:24 hannken Exp $     */
   2
   3 /*-
   4  * Copyright (c) 2003 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Juergen Hannken-Illjes.
   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  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <sys/cdefs.h>
  33 __KERNEL_RCSID(0, "$NetBSD: consinit.c,v 1.6 2007/11/27 10:59:24 hannken Exp $");
  34
  35 #include <sys/param.h>
  36 #include <sys/systm.h>
  37
  38 #include <machine/explora.h>
  39 #include <machine/bus.h>
  40
  41 #include "com.h"
  42 #if NCOM > 0
  43 #include <sys/termios.h>
  44 #include <dev/ic/comreg.h>
  45 #include <dev/ic/comvar.h>
  46 #endif
  47
  48 #include "pckbc.h"
  49 #if (NPCKBC > 0)
  50 #include <dev/isa/isareg.h>
  51 #include <dev/ic/i8042reg.h>
  52 #include <dev/ic/pckbcvar.h>
  53 #endif
  54 #include "pckbd.h"
  55
  56 #include <evbppc/explora/dev/elbvar.h>
  57
  58 #include "opt_explora.h"
  59
  60 #ifndef COM_CONSOLE_SPEED
  61 #define COM_CONSOLE_SPEED       9600
  62 #endif
  63
  64 void
  65 consinit(void)
  66 {
  67         bus_space_tag_t tag;
  68         static int done = 0;
  69 #ifndef COM_IS_CONSOLE
  70         extern void fb_cnattach(bus_space_tag_t, bus_addr_t, void *);
  71 #endif
  72
  73         if (done)
  74                 return;
  75
  76         done = 1;
  77
  78 #ifdef COM_IS_CONSOLE
  79         tag = elb_get_bus_space_tag(BASE_COM);
  80         comcnattach(tag, _BUS_SPACE_UNSTRIDE(tag, BASE_COM), COM_CONSOLE_SPEED,
  81             COM_FREQ, COM_TYPE_NORMAL,
  82             (TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8);
  83 #else
  84         /* Clear VRam */
  85         memset((void *)BASE_FB, 0, SIZE_FB);
  86
  87         tag = elb_get_bus_space_tag(BASE_FB);
  88         fb_cnattach(tag, BASE_FB2, (void *)BASE_FB);
  89         tag = elb_get_bus_space_tag(BASE_PCKBC);
  90         pckbc_cnattach(tag, _BUS_SPACE_UNSTRIDE(tag, BASE_PCKBC),
  91             _BUS_SPACE_UNSTRIDE(tag, BASE_PCKBC2-BASE_PCKBC), PCKBC_KBD_SLOT);
  92 #endif
  93 }