NetBSD/sys/arch/evbppc/obs405/obs266_autoconf.c

74 lines
2.3 KiB
C

/* $NetBSD: obs266_autoconf.c,v 1.7 2011/12/12 11:23:57 kiyohara 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: obs266_autoconf.c,v 1.7 2011/12/12 11:23:57 kiyohara Exp $");
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/cpu.h>
#include <machine/obs266.h>
#include <powerpc/ibm4xx/cpu.h>
#include <powerpc/ibm4xx/dcr4xx.h>
#include <dev/ic/comreg.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");
(void)spl0();
}
void
device_register(device_t dev, void *aux)
{
obs405_device_register(dev, aux, OBS266_COM_FREQ);
}