xref: /openbsd-src/sys/arch/loongson/dev/mainbus.c (revision 39de0dfd9717618913f33bc0b29b6cfa227894c9)

/*	$OpenBSD: mainbus.c,v 1.10 2017/01/19 15:09:04 visa Exp $ */

/*
 * Copyright (c) 2001-2003 Opsycon AB  (www.opsycon.se / www.opsycon.com)
 *
 * 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.
 *
 * 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/param.h>
#include <sys/systm.h>
#include <sys/device.h>

#include <machine/autoconf.h>

int	mainbus_match(struct device *, void *, void *);
void	mainbus_attach(struct device *, struct device *, void *);
int	mainbus_print(void *, const char *);

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

struct cfdriver mainbus_cd = {
	NULL, "mainbus", DV_DULL
};

int
mainbus_match(struct device *parent, void *cfdata, void *aux)
{
	static int mainbus_attached = 0;

	if (mainbus_attached != 0)
		return 0;

	return mainbus_attached = 1;
}

void
mainbus_attach(struct device *parent, struct device *self, void *aux)
{
	struct cpu_attach_args caa;

	printf(": %s %s\n", sys_platform->vendor, sys_platform->product);

	bzero(&caa, sizeof caa);
	caa.caa_maa.maa_name = "cpu";
	caa.caa_hw = &bootcpu_hwinfo;
	config_found(self, &caa, mainbus_print);

#ifdef MULTIPROCESSOR
	if (sys_platform->config_secondary_cpus != NULL)
		sys_platform->config_secondary_cpus(self, mainbus_print);
#endif

	caa.caa_maa.maa_name = "bonito";
	config_found(self, &caa.caa_maa, mainbus_print);

	caa.caa_maa.maa_name = "htb";
	config_found(self, &caa.caa_maa, mainbus_print);

	caa.caa_maa.maa_name = "leioc";
	config_found(self, &caa.caa_maa, mainbus_print);

	if (md_startclock == NULL) {
		caa.caa_maa.maa_name = "clock";
		config_found(self, &caa.caa_maa, mainbus_print);
	}

	caa.caa_maa.maa_name = "apm";
	config_found(self, &caa.caa_maa, mainbus_print);
}

int
mainbus_print(void *aux, const char *pnp)
{
	return pnp != NULL ? QUIET : UNCONF;
}