NetBSD-5.0.2/sys/arch/playstation2/playstation2/autoconf.c

/*	$NetBSD: autoconf.c,v 1.5 2008/04/28 20:23:31 martin Exp $	*/

/*-
 * Copyright (c) 2001 The NetBSD Foundation, Inc.
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``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 FOUNDATION OR CONTRIBUTORS
 * 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: autoconf.c,v 1.5 2008/04/28 20:23:31 martin Exp $");

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

#include <playstation2/ee/sifvar.h>			/* sif_init */
#include <playstation2/playstation2/interrupt.h>	/* interrupt_init */

void
cpu_configure()
{
	/*
	 * During autoconfiguration, SIF BIOS uses DMAC SIF0 interrupt.
	 * so enable DMAC interrupt here. (EIE | INT1 | IE)
	 */
	interrupt_init();

	/* Enable SIF BIOS for IOP access */
	sif_init();

	if (config_rootfound("mainbus", NULL) == NULL)
		panic("no mainbus found");

	/* Enable all interrupts */
	spl0();
}

void
cpu_rootconf()
{

	setroot(NULL, 0);
}