sys/arch/vax/bi/bi_mainbus.c

   1 /*      $NetBSD: bi_mainbus.c,v 1.9 2005/12/11 12:19:29 christos Exp $     */
   2 /*
   3  * Copyright (c) 1999 Ludd, University of Lule}, Sweden.
   4  * 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 at Ludd, University of
  17  *      Lule}, Sweden and its contributors.
  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 #include <sys/cdefs.h>
  34 __KERNEL_RCSID(0, "$NetBSD: bi_mainbus.c,v 1.9 2005/12/11 12:19:29 christos Exp $");
  35
  36 #include <sys/param.h>
  37 #include <sys/device.h>
  38
  39 #define _VAX_BUS_DMA_PRIVATE
  40 #include <machine/bus.h>
  41 #include <machine/nexus.h>
  42 #include <machine/sid.h>
  43 #include <machine/scb.h>
  44 #include <machine/cpu.h>
  45 #include <machine/mainbus.h>
  46
  47 #include <dev/bi/bivar.h>
  48 #include <dev/bi/bireg.h>
  49
  50 #include "ioconf.h"
  51
  52 static  int bi_mainbus_match(device_t, cfdata_t, void *);
  53 static  void bi_mainbus_attach(device_t, device_t, void *);
  54
  55 CFATTACH_DECL_NEW(bi_mainbus, sizeof(struct bi_softc),
  56     bi_mainbus_match, bi_mainbus_attach, NULL, NULL);
  57
  58 static int
  59 bi_mainbus_match(device_t parent, cfdata_t cf, void *aux)
  60 {
  61         struct mainbus_attach_args * const ma = aux;
  62
  63         return !strcmp(bi_cd.cd_name, ma->ma_type);
  64 }
  65
  66 static void
  67 bi_mainbus_attach(device_t parent, device_t self, void *aux)
  68 {
  69         struct bi_softc * const sc = device_private(self);
  70         struct mainbus_attach_args * const ma = aux;
  71
  72         sc->sc_dev = self;
  73         /*
  74          * Fill in bus specific data.
  75          */
  76         sc->sc_addr = (bus_addr_t)BI_BASE(0, 0);
  77         sc->sc_iot = ma->ma_iot;        /* No special I/O handling */
  78         sc->sc_dmat = ma->ma_dmat;      /* No special DMA handling either */
  79         sc->sc_intcpu = 1 << mfpr(PR_BINID);
  80         sc->sc_lastiv = 256; /* Lowest available vector address */
  81
  82         bi_attach(sc);
  83 }