/*      $NetBSD: ibus_pmax.c,v 1.24 2016/11/16 19:37:06 macallan Exp $  */

/*
* Copyright (c) 1998 Jonathan Stone.  All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
*    must display the following acknowledgement:
*      This product includes software developed by Jonathan Stone for
*      the NetBSD Project.
* 4. The name of the author may not be used to endorse or promote products
*    derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#include <sys/cdefs.h>                  /* RCS ID & Copyright macro defns */
__KERNEL_RCSID(0, "$NetBSD: ibus_pmax.c,v 1.24 2016/11/16 19:37:06 macallan Exp $");

#include "opt_dec_3100.h"
#include "opt_dec_5100.h"

#include <sys/param.h>
#include <sys/device.h>
#include <sys/systm.h>

#include <pmax/ibus/ibusvar.h>

#include <pmax/autoconf.h>
#include <pmax/sysconf.h>

#include <pmax/pmax/kn01.h>
#include <pmax/pmax/kn230.h>
#include <pmax/pmax/pmaxtype.h>

static int      ibus_pmax_match(device_t, cfdata_t, void *);
static void     ibus_pmax_attach(device_t, device_t, void *);

CFATTACH_DECL_NEW(ibus_pmax, 0,
   ibus_pmax_match, ibus_pmax_attach, NULL, NULL);

#define KV(x)   MIPS_PHYS_TO_KSEG1(x)

#ifdef DEC_3100
static struct ibus_attach_args ibus_pmax_devs[] = {
       { "pm",         SYS_DEV_BOGUS,  KV(KN01_PHYS_FBUF_START), 0     },
       { "dc",         SYS_DEV_SCC0,   KV(KN01_SYS_DZ),        0       },
       { "lance",      SYS_DEV_LANCE,  KV(KN01_SYS_LANCE),     0       },
       { "sii",        SYS_DEV_SCSI,   KV(KN01_SYS_SII),       0       },
       { "mc146818",   SYS_DEV_BOGUS,  KV(KN01_SYS_CLOCK),     0       },
};
#endif /* DEC_3100 */

#ifdef DEC_5100
static struct ibus_attach_args ibus_mipsmate_devs[] = {
       { "dc",         SYS_DEV_SCC0,   KV(KN230_SYS_DZ0),      0 },
       { "lance",      SYS_DEV_LANCE,  KV(KN230_SYS_LANCE),    0 },
       { "sii",        SYS_DEV_SCSI,   KV(KN230_SYS_SII),      0 },
       { "mc146818",   SYS_DEV_BOGUS,  KV(KN230_SYS_CLOCK),    0 },
#if 0   /* 5100 locks up when these are probed at the moment */
       { "dc",         SYS_DEV_OPT0,   KV(KN230_SYS_DZ1),      0 },
       { "dc",         SYS_DEV_OPT1,   KV(KN230_SYS_DZ2),      0 },
       /*
        * Ultrix configures it at 0x86400400.  The first 0x400 bytes
        * used for NVRAM state??
        *
        * The first 0x400 bytes are apparently used for diagnostic
        * registers - ad
        */
       { "nvram",      SYS_DEV_BOGUS,  KV(0x86400000),         0 },
#endif
};
#endif /* DEC_5100 */

static int ibus_attached;

static int
ibus_pmax_match(device_t parent, cfdata_t cf, void *aux)
{
       struct mainbus_attach_args *ma = aux;

       if (ibus_attached)
               return (0);
       if (systype != DS_PMAX && systype != DS_MIPSMATE)
               return (0);
       if (strcmp(ma->ma_name, "baseboard") != 0)
               return (0);

       return (1);
}

static void
ibus_pmax_attach(device_t parent, device_t self, void *aux)
{
       struct ibus_dev_attach_args ida;

       ibus_attached = 1;

       ida.ida_busname = "ibus";
       ida.ida_memt = normal_memt;
       switch (systype) {
#ifdef DEC_3100
       case DS_PMAX:
               ida.ida_devs = ibus_pmax_devs;
               ida.ida_ndevs = __arraycount(ibus_pmax_devs);
               break;
#endif
#ifdef DEC_5100
       case DS_MIPSMATE:
               ida.ida_devs = ibus_mipsmate_devs;
               ida.ida_ndevs = __arraycount(ibus_mipsmate_devs);
               break;
#endif
       default:
               panic("ibus_pmax_attach: no ibus configured for systype = %d", systype);
       }

       ibusattach(parent, self, &ida);
}