/*      $NetBSD: obs200_autoconf.c,v 1.10 2021/03/30 04:53:13 rin Exp $ */

/*
* Copyright 2004 Shigeyuki Fukushima.
* All rights reserved.
*
* Written by Shigeyuki Fukushima for The NetBSD Project.
*
* 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. The name of the author may not be used to endorse or promote
*    products derived from this software without specific prior
*    written permission.
*
* THIS SOFTWARE IS PROVIDED 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/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: obs200_autoconf.c,v 1.10 2021/03/30 04:53:13 rin Exp $");

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

#include <machine/obs200.h>

#include <powerpc/ibm4xx/cpu.h>
#include <powerpc/ibm4xx/dcr4xx.h>

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

       intr_init();
       calc_delayconst();

       /* Make sure that timers run at CPU frequency */
       mtdcr(DCR_CPC0_CR1, mfdcr(DCR_CPC0_CR1) & ~CPC0_CR1_CETE);

       if (config_rootfound("plb", NULL) == NULL)
               panic("configure: mainbus not configured");

       genppc_cpu_configure();
}

void device_register(device_t dev, void *aux)
{

       ibm4xx_device_register(dev, aux, OBS200_COM_FREQ);
}