sys/arch/pmax/ibus/ibus_pmax.c

   1 /*      $NetBSD: ibus_pmax.c,v 1.20 2009/03/14 15:36:11 dsl Exp $       */
   2
   3 /*
   4  * Copyright (c) 1998 Jonathan Stone.  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 by Jonathan Stone for
  17  *      the NetBSD Project.
  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>                  /* RCS ID & Copyright macro defns */
  34 __KERNEL_RCSID(0, "$NetBSD: ibus_pmax.c,v 1.20 2009/03/14 15:36:11 dsl Exp $");
  35
  36 #include "opt_dec_3100.h"
  37 #include "opt_dec_5100.h"
  38
  39 #include <sys/param.h>
  40 #include <sys/systm.h>
  41 #include <sys/device.h>
  42
  43 #include <pmax/ibus/ibusvar.h>
  44
  45 #include <machine/autoconf.h>
  46 #include <machine/sysconf.h>
  47
  48 #include <pmax/pmax/kn01.h>
  49 #include <pmax/pmax/kn230.h>
  50 #include <pmax/pmax/pmaxtype.h>
  51
  52 static int      ibus_pmax_match(struct device *, struct cfdata *, void *);
  53 static void     ibus_pmax_attach(struct device *, struct device *, void *);
  54
  55 CFATTACH_DECL(ibus_pmax, sizeof(struct ibus_softc),
  56     ibus_pmax_match, ibus_pmax_attach, NULL, NULL);
  57
  58 #define KV(x)   MIPS_PHYS_TO_KSEG1(x)
  59
  60 #ifdef DEC_3100
  61 static struct ibus_attach_args ibus_pmax_devs[] = {
  62         { "pm",         SYS_DEV_BOGUS,  KV(KN01_PHYS_FBUF_START), 0     },
  63         { "dc",         SYS_DEV_SCC0,   KV(KN01_SYS_DZ),        0       },
  64         { "lance",      SYS_DEV_LANCE,  KV(KN01_SYS_LANCE),     0       },
  65         { "sii",        SYS_DEV_SCSI,   KV(KN01_SYS_SII),       0       },
  66         { "mc146818",   SYS_DEV_BOGUS,  KV(KN01_SYS_CLOCK),     0       },
  67 };
  68 static const int ibus_pmax_ndevs =
  69         sizeof(ibus_pmax_devs)/sizeof(ibus_pmax_devs[0]);
  70 #endif /* DEC_3100 */
  71
  72 #ifdef DEC_5100
  73 static struct ibus_attach_args ibus_mipsmate_devs[] = {
  74         { "dc",         SYS_DEV_SCC0,   KV(KN230_SYS_DZ0),      0 },
  75         { "lance",      SYS_DEV_LANCE,  KV(KN230_SYS_LANCE),    0 },
  76         { "sii",        SYS_DEV_SCSI,   KV(KN230_SYS_SII),      0 },
  77         { "mc146818",   SYS_DEV_BOGUS,  KV(KN230_SYS_CLOCK),    0 },
  78 #if 0   /* 5100 locks up when these are probed at the moment */
  79         { "dc",         SYS_DEV_OPT0,   KV(KN230_SYS_DZ1),      0 },
  80         { "dc",         SYS_DEV_OPT1,   KV(KN230_SYS_DZ2),      0 },
  81         /*
  82          * Ultrix configures it at 0x86400400.  The first 0x400 bytes
  83          * used for NVRAM state??
  84          *
  85          * The first 0x400 bytes are apparently used for diagnostic
  86          * registers - ad
  87          */
  88         { "nvram",      SYS_DEV_BOGUS,  KV(0x86400000),         0 },
  89 #endif
  90 };
  91 static const int ibus_mipsmate_ndevs =
  92         sizeof(ibus_mipsmate_devs)/sizeof(ibus_mipsmate_devs[0]);
  93 #endif /* DEC_5100 */
  94
  95 static int ibus_attached;
  96
  97 static int
  98 ibus_pmax_match(struct device *parent, struct cfdata *cfdata, void *aux)
  99 {
 100         struct mainbus_attach_args *ma = aux;
 101
 102         if (ibus_attached)
 103                 return (0);
 104         if (systype != DS_PMAX && systype != DS_MIPSMATE)
 105                 return (0);
 106         if (strcmp(ma->ma_name, "baseboard") != 0)
 107                 return (0);
 108
 109         return (1);
 110 }
 111
 112 static void
 113 ibus_pmax_attach(struct device *parent, struct device *self, void *aux)
 114 {
 115         struct ibus_dev_attach_args ida;
 116
 117         ibus_attached = 1;
 118
 119         ida.ida_busname = "ibus";
 120         switch (systype) {
 121 #ifdef DEC_3100
 122         case DS_PMAX:
 123                 ida.ida_devs = ibus_pmax_devs;
 124                 ida.ida_ndevs = ibus_pmax_ndevs;
 125                 break;
 126 #endif
 127 #ifdef DEC_5100
 128         case DS_MIPSMATE:
 129                 ida.ida_devs = ibus_mipsmate_devs;
 130                 ida.ida_ndevs = ibus_mipsmate_ndevs;
 131                 break;
 132 #endif
 133         default:
 134                 panic("ibus_pmax_attach: no ibus configured for systype = %d", systype);
 135         }
 136
 137         ibusattach(parent, self, &ida);
 138 }