/* $NetBSD: mainbus.c,v 1.12 2021/08/07 16:18:51 thorpej Exp $ */

/*
* Copyright 2002 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Simon Burge for Wasabi Systems, Inc.
*
* 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 for the NetBSD Project by
*      Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
*    or promote products derived from this software without specific prior
*    written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
* 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>
__KERNEL_RCSID(0, "$NetBSD: mainbus.c,v 1.12 2021/08/07 16:18:51 thorpej Exp $");

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

#include <mips/cache.h>
#include <mips/cpuregs.h>

#include "locators.h"

static int      mainbus_match(device_t, cfdata_t, void *);
static void     mainbus_attach(device_t, device_t, void *);
static int      mainbus_print(void *, const char *);

CFATTACH_DECL_NEW(mainbus, 0,
   mainbus_match, mainbus_attach, NULL, NULL);

/* There can be only one. */
int     mainbus_found;

struct mainbusdev {
       const char *md_name;
};

const struct mainbusdev mainbusdevs[] = {
       { "cpu",        },
       { "aubus",      },
       { "obio",       },
       { NULL,         }
};

static int
mainbus_match(device_t parent, cfdata_t match, void *aux)
{

       if (mainbus_found)
               return (0);

       return (1);
}

static void
mainbus_attach(device_t parent, device_t self, void *aux)
{
       const struct mainbusdev *md;

       mainbus_found = 1;
       printf("\n");

       for (md = mainbusdevs; md->md_name != NULL; md++) {
               config_found(self, NULL, mainbus_print, CFARGS_NONE);
       }
}

static int
mainbus_print(void *aux, const char *pnp)
{

       return (UNCONF);
}