sys/arch/mvme68k/dev/vme_two_68k.c

   1 /*      $NetBSD: vme_two_68k.c,v 1.8 2008/01/12 09:54:27 tsutsui Exp $  */
   2
   3 /*-
   4  * Copyright (c) 1999, 2002 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Steve C. Woodford.
   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 /*
  33  * Front-end for the VMEchip2 found on the MVME-1[67][27] boards.
  34  */
  35
  36 #include <sys/cdefs.h>
  37 __KERNEL_RCSID(0, "$NetBSD: vme_two_68k.c,v 1.8 2008/01/12 09:54:27 tsutsui Exp $");
  38
  39 #include "vmetwo.h"
  40
  41 #include <sys/param.h>
  42 #include <sys/kernel.h>
  43 #include <sys/systm.h>
  44 #include <sys/device.h>
  45
  46 #include <machine/cpu.h>
  47 #include <machine/bus.h>
  48
  49 #include <dev/vme/vmereg.h>
  50 #include <dev/vme/vmevar.h>
  51
  52 #include <mvme68k/mvme68k/isr.h>
  53 #include <mvme68k/dev/mainbus.h>
  54
  55 #include <dev/mvme/mvmebus.h>
  56 #include <dev/mvme/vme_tworeg.h>
  57 #include <dev/mvme/vme_twovar.h>
  58
  59 #include "ioconf.h"
  60
  61 static void vmetwoisrlink(void *, int (*)(void *), void *,
  62         int, int, struct evcnt *);
  63 static void vmetwoisrunlink(void *, int);
  64 static struct evcnt *vmetwoisrevcnt(void *, int);
  65
  66 #if NVMETWO > 0
  67
  68 int vmetwo_match(struct device *, struct cfdata *, void *);
  69 void vmetwo_attach(struct device *, struct device *, void *);
  70
  71 CFATTACH_DECL(vmetwo, sizeof(struct vmetwo_softc),
  72     vmetwo_match, vmetwo_attach, NULL, NULL);
  73
  74
  75 /* ARGSUSED */
  76 int
  77 vmetwo_match(struct device *parent, struct cfdata *cf, void *aux)
  78 {
  79         struct mainbus_attach_args *ma;
  80         static int matched = 0;
  81
  82         ma = aux;
  83
  84         if (strcmp(ma->ma_name, vmetwo_cd.cd_name))
  85                 return 0;
  86
  87         /* Only one VMEchip2, please. */
  88         if (matched++)
  89                 return 0;
  90
  91         /*
  92          * Some mvme1[67]2 boards have a `no VMEchip2' build option...
  93          */
  94         return vmetwo_probe(ma->ma_bust, ma->ma_offset) ? 1 : 0;
  95 }
  96
  97 /* ARGSUSED */
  98 void
  99 vmetwo_attach(struct device *parent, struct device *self, void *aux)
 100 {
 101         struct mainbus_attach_args *ma;
 102         struct vmetwo_softc *sc;
 103
 104         sc = (struct vmetwo_softc *) self;
 105         ma = aux;
 106
 107         /*
 108          * Map the local control registers
 109          */
 110         bus_space_map(ma->ma_bust, ma->ma_offset + VME2REG_LCSR_OFFSET,
 111             VME2LCSR_SIZE, 0, &sc->sc_lcrh);
 112
 113 #ifdef notyet
 114         /*
 115          * Map the global control registers
 116          */
 117         bus_space_map(ma->ma_bust, ma->ma_offset + VME2REG_GCSR_OFFSET,
 118             VME2GCSR_SIZE, 0, &sc->sc_gcrh);
 119 #endif
 120
 121         /* Initialise stuff for the common vme_two back-end */
 122         sc->sc_mvmebus.sc_bust = ma->ma_bust;
 123         sc->sc_mvmebus.sc_dmat = ma->ma_dmat;
 124
 125         vmetwo_init(sc);
 126 }
 127
 128 #endif  /* NVMETWO > 0 */
 129
 130 void
 131 vmetwo_md_intr_init(struct vmetwo_softc *sc)
 132 {
 133
 134         sc->sc_isrlink = vmetwoisrlink;
 135         sc->sc_isrunlink = vmetwoisrunlink;
 136         sc->sc_isrevcnt = vmetwoisrevcnt;
 137 }
 138
 139 /* ARGSUSED */
 140 static void
 141 vmetwoisrlink(void *cookie, int (*fn)(void *), void *arg, int ipl, int vec,
 142     struct evcnt *evcnt)
 143 {
 144
 145         isrlink_vectored(fn, arg, ipl, vec, evcnt);
 146 }
 147
 148 /* ARGSUSED */
 149 static void
 150 vmetwoisrunlink(void *cookie, int vec)
 151 {
 152
 153         isrunlink_vectored(vec);
 154 }
 155
 156 /* ARGSUSED */
 157 static struct evcnt *
 158 vmetwoisrevcnt(void *cookie, int ipl)
 159 {
 160
 161         return isrlink_evcnt(ipl);
 162 }