obs266_autoconf.c revision 1.3 
1/*	$NetBSD: obs266_autoconf.c,v 1.3 2006/05/15 15:56:54 shige Exp $	*/
2
3/*
4 * Copyright 2004 Shigeyuki Fukushima.
5 * All rights reserved.
6 *
7 * Written by Shigeyuki Fukushima for The NetBSD Project.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above
15 *    copyright notice, this list of conditions and the following
16 *    disclaimer in the documentation and/or other materials provided
17 *    with the distribution.
18 * 3. The name of the author may not be used to endorse or promote
19 *    products derived from this software without specific prior
20 *    written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
25 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
28 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
29 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
30 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
32 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
33 * DAMAGE.
34 */
35#include <sys/cdefs.h>
36__KERNEL_RCSID(0, "$NetBSD: obs266_autoconf.c,v 1.3 2006/05/15 15:56:54 shige Exp $");
37
38#include <sys/systm.h>
39#include <sys/device.h>
40
41#include <machine/obs266.h>
42
43#include <powerpc/ibm4xx/dcr405gp.h>
44
45
46/*
47 * Determine device configuration for a machine.
48 */
49void
50cpu_configure(void)
51{
52
53	intr_init();
54	calc_delayconst();
55
56	/* Make sure that timers run at CPU frequency */
57	mtdcr(DCR_CPC0_CR1, mfdcr(DCR_CPC0_CR1) & ~CPC0_CR1_CETE);
58
59	if (config_rootfound("plb", NULL) == NULL)
60		panic("configure: mainbus not configured");
61
62	printf("biomask %x netmask %x ttymask %x\n", (u_short)imask[IPL_BIO],
63		(u_short)imask[IPL_NET], (u_short)imask[IPL_TTY]);
64
65	(void)spl0();
66
67	/*
68	 * Now allow hardware interrupts.
69	 */
70	__asm volatile ("wrteei 1");
71}
72
73void device_register(struct device *dev, void *aux)
74{
75
76	obs405_device_register(dev, aux, OBS266_COM_FREQ);
77}
78