1 /* $NetBSD: cpu.c,v 1.7 2011/07/01 20:47:43 dyoung Exp $ */
2
3 /*-
4 * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by NONAKA Kimihiro.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/device.h>
35
36 #include <machine/autoconf.h>
37 #include <sys/bus.h>
38 #include <machine/cpu.h>
39
40 int cpumatch(device_t, cfdata_t, void *);
41 void cpuattach(device_t, device_t, void *);
42
43 struct cpu_softc {
44 device_t sc_dev; /* device tree glue */
45 struct cpu_info *sc_info; /* pointer to CPU info */
46 };
47
48 CFATTACH_DECL_NEW(cpu, sizeof(struct cpu_softc),
49 cpumatch, cpuattach, NULL, NULL);
50
51 extern struct cfdriver cpu_cd;
52
53 int
cpumatch(device_t parent,cfdata_t cfdata,void * aux)54 cpumatch(device_t parent, cfdata_t cfdata, void *aux)
55 {
56 struct confargs *ca = aux;
57
58 if (strcmp(ca->ca_name, cpu_cd.cd_name) != 0)
59 return (0);
60 if (cpu_info[0].ci_dev != NULL)
61 return (0);
62 return (1);
63 }
64
65 void
cpuattach(device_t parent,device_t self,void * aux)66 cpuattach(device_t parent, device_t self, void *aux)
67 {
68 struct cpu_softc *sc = device_private(self);
69
70 sc->sc_dev = self;
71 sc->sc_info = cpu_attach_common(self, 0);
72 }
73