xref: /netbsd/sys/arch/ews4800mips/ews4800mips/cpu.c (revision 6550d01e)
1 /*	$NetBSD: cpu.c,v 1.3 2008/04/04 16:33:05 tsutsui Exp $	*/
2 
3 /*
4  * Copyright (c) 2000 Soren S. Jorvang.  All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions, and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  */
27 
28 #include <sys/cdefs.h>
29 __KERNEL_RCSID(0, "$NetBSD: cpu.c,v 1.3 2008/04/04 16:33:05 tsutsui Exp $");
30 
31 #include <sys/param.h>
32 #include <sys/systm.h>
33 #include <sys/device.h>
34 
35 #include <machine/autoconf.h>
36 
37 #include "ioconf.h"
38 
39 int cpumatch(device_t, cfdata_t, void *);
40 void cpuattach(device_t, device_t, void *);
41 
42 CFATTACH_DECL_NEW(cpu, 0,
43     cpumatch, cpuattach, NULL, NULL);
44 
45 static int cpu_attached;
46 
47 int
48 cpumatch(device_t parent, cfdata_t cf, void *aux)
49 {
50 	struct mainbus_attach_args *ma = aux;
51 
52 	/* make sure that we're looking for a CPU. */
53 	if (strcmp(ma->ma_name, cpu_cd.cd_name) != 0)
54 		return 0;
55 
56 	return !cpu_attached;
57 }
58 
59 void
60 cpuattach(device_t parent, device_t self, void *aux)
61 {
62 
63 	aprint_normal(": ");
64 	cpu_attached = 1;
65 
66 	cpu_identify();
67 }
68