sys/arch/atari/vme/vme_machdep.c

   1 /*      $NetBSD: vme_machdep.c,v 1.17 2009/03/14 15:36:04 dsl Exp $     */
   2
   3 /*-
   4  * Copyright (c) 1997 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  26  * POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #include <sys/cdefs.h>
  30 __KERNEL_RCSID(0, "$NetBSD: vme_machdep.c,v 1.17 2009/03/14 15:36:04 dsl Exp $");
  31
  32 #include <sys/types.h>
  33 #include <sys/param.h>
  34 #include <sys/time.h>
  35 #include <sys/systm.h>
  36 #include <sys/errno.h>
  37 #include <sys/device.h>
  38
  39 #include <uvm/uvm_extern.h>
  40
  41 #include <machine/bus.h>
  42 #include <machine/cpu.h>
  43 #include <machine/iomap.h>
  44 #include <machine/mfp.h>
  45
  46 #include <atari/atari/device.h>
  47 #include <atari/vme/vmevar.h>
  48
  49 static int      vmebusprint(void *auxp, const char *);
  50 static int      vmebusmatch(struct device *, struct cfdata *, void *);
  51 static void     vmebusattach(struct device *, struct device *, void *);
  52
  53 CFATTACH_DECL(avmebus, sizeof(struct device),
  54     vmebusmatch, vmebusattach, NULL, NULL);
  55
  56 int vmebus_attached;
  57
  58 int
  59 vmebusmatch(struct device *pdp, struct cfdata *cfp, void *auxp)
  60 {
  61         if(atari_realconfig == 0)
  62                 return (0);
  63         if (strcmp((char *)auxp, "avmebus") || vmebus_attached)
  64                 return(0);
  65         return(machineid & ATARI_FALCON ? 0 : 1);
  66 }
  67
  68 void
  69 vmebusattach(struct device *pdp, struct device *dp, void *auxp)
  70 {
  71         struct vmebus_attach_args       vba;
  72
  73         vmebus_attached = 1;
  74
  75         vba.vba_busname = "vme";
  76         vba.vba_iot     = beb_alloc_bus_space_tag(NULL);
  77         vba.vba_memt    = beb_alloc_bus_space_tag(NULL);
  78         if ((vba.vba_iot == NULL) || (vba.vba_memt == NULL)) {
  79                 printf("beb_alloc_bus_space_tag failed!\n");
  80                 return;
  81         }
  82
  83         /*
  84          * XXX: Should we use zero or the actual (phys) start of VME memory.
  85          */
  86         vba.vba_iot->base  = 0;
  87         vba.vba_memt->base = 0;
  88
  89         printf("\n");
  90         config_found(dp, &vba, vmebusprint);
  91 }
  92
  93 int
  94 vmebusprint(void *auxp, const char *name)
  95 {
  96         if(name == NULL)
  97                 return(UNCONF);
  98         return(QUIET);
  99 }