1 /* $NetBSD: obs200_autoconf.c,v 1.10 2021/03/30 04:53:13 rin 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: obs200_autoconf.c,v 1.10 2021/03/30 04:53:13 rin Exp $");
37
38 #include <sys/param.h>
39 #include <sys/device.h>
40 #include <sys/systm.h>
41
42 #include <machine/obs200.h>
43
44 #include <powerpc/ibm4xx/cpu.h>
45 #include <powerpc/ibm4xx/dcr4xx.h>
46
47 /*
48 * Determine device configuration for a machine.
49 */
50 void
cpu_configure(void)51 cpu_configure(void)
52 {
53
54 intr_init();
55 calc_delayconst();
56
57 /* Make sure that timers run at CPU frequency */
58 mtdcr(DCR_CPC0_CR1, mfdcr(DCR_CPC0_CR1) & ~CPC0_CR1_CETE);
59
60 if (config_rootfound("plb", NULL) == NULL)
61 panic("configure: mainbus not configured");
62
63 genppc_cpu_configure();
64 }
65
device_register(device_t dev,void * aux)66 void device_register(device_t dev, void *aux)
67 {
68
69 ibm4xx_device_register(dev, aux, OBS200_COM_FREQ);
70 }
71