xref: /src/sys/arch/evbppc/mpc85xx/autoconf.c

/*	$NetBSD: autoconf.c,v 1.5 2011/06/24 23:54:37 matt Exp $	*/
/*-
 * Copyright (c) 2010, 2011 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Raytheon BBN Technologies Corp and Defense Advanced Research Projects
 * Agency and which was developed by Matt Thomas of 3am Software Foundry.
 *
 * This material is based upon work supported by the Defense Advanced Research
 * Projects Agency and Space and Naval Warfare Systems Center, Pacific, under
 * Contract No. N66001-09-C-2073.
 * Approved for Public Release, Distribution Unlimited
 *
 * 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 2011/06/24 23:54:37 matt Exp $");

#define __INTR_PRIVATE

#include "locators.h"

#include <sys/param.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <sys/intr.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/cpu.h>

#include <powerpc/booke/cpuvar.h>

/*
 * Determine device configuration for a machine.
 */
void
cpu_configure(void)
{

	intr_init();
	calc_delayconst();

	if (config_rootfound("mainbus", NULL) == NULL)
		panic("%s: mainbus not configured", __func__);

	spl0();
}

/*
 * Setup root device.
 * Configure swap area.
 */
void
cpu_rootconf(void)
{

	setroot(booted_device, booted_partition);
}

void
device_register(device_t dev, void *aux)
{
	if (cpu_md_ops.md_device_register != NULL)
		(*cpu_md_ops.md_device_register)(dev, aux);
}

static bool mainbus_found;

static int
mainbus_print(void *aux, const char *pnp)
{
	struct mainbus_attach_args *ma = aux;

	if (pnp != NULL)
		return QUIET;

	if (pnp)
		aprint_normal("%s at %s", ma->ma_name, pnp);
	if (ma->ma_node != MAINBUSCF_NODE_DEFAULT)
		aprint_normal(" node %d", ma->ma_node);

	return (UNCONF);
}

static int
mainbus_match(device_t parent, cfdata_t cf, void *aux)
{
	return mainbus_found == false;
}

static void
mainbus_attach(device_t parent, device_t self, void *aux)
{
	struct mainbus_attach_args ma;

	mainbus_found = true;

	aprint_normal("\n");

	ma.ma_name = "cpunode";
	ma.ma_node = 0;
	ma.ma_memt = curcpu()->ci_softc->cpu_bst;
	ma.ma_le_memt = curcpu()->ci_softc->cpu_le_bst;
	ma.ma_dmat = &booke_bus_dma_tag;

	config_found_sm_loc(self, "mainbus", NULL, &ma, mainbus_print, NULL);
}

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