xref: /src/sys/arch/evbmips/alchemy/mainbus.c

/* $NetBSD: mainbus.c,v 1.3 2002/09/27 03:17:49 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/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(struct device *, struct cfdata *, void *);
static void	mainbus_attach(struct device *, struct device *, void *);
static int	mainbus_submatch(struct device *, struct cfdata *, void *);
static int	mainbus_print(void *, const char *);

struct cfattach mainbus_ca = {
	sizeof(struct device), mainbus_match, mainbus_attach
};

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

struct mainbusdev {
	const char *md_name;
};

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

static int
mainbus_match(parent, match, aux)
	struct device *parent;
	struct cfdata *match;
	void *aux;
{

	if (mainbus_found)
		return (0);

	return (1);
}

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

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

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

static int
mainbus_submatch(struct device *parent, struct cfdata *cf, void *aux)
{

	return (config_match(parent, cf, aux));
}

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

	return (UNCONF);
}