1 /* $NetBSD: cpu.c,v 1.14 2009/04/05 00:04:51 uwe Exp $ */
2
3 /*-
4 * Copyright (c) 2002 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: cpu.c,v 1.14 2009/04/05 00:04:51 uwe Exp $");
31
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/device.h>
35 #include <sys/proc.h>
36
37 #include <sh3/clock.h>
38 #include <sh3/cache.h>
39 #include <sh3/mmu.h>
40
41 #include <machine/autoconf.h>
42
43 extern struct cfdriver cpu_cd;
44
45 static int cpu_match(device_t, struct cfdata *, void *);
46 static void cpu_attach(device_t, device_t, void *);
47
48
49 CFATTACH_DECL_NEW(cpu, 0,
50 cpu_match, cpu_attach, NULL, NULL);
51
52
53 static int
cpu_match(device_t parent,struct cfdata * cf,void * aux)54 cpu_match(device_t parent, struct cfdata *cf, void *aux)
55 {
56 struct mainbus_attach_args *ma = aux;
57
58 if (strcmp(ma->ma_name, cpu_cd.cd_name) != 0)
59 return (0);
60
61 return (1);
62 }
63
64 static void
cpu_attach(device_t parent,device_t self,void * aux)65 cpu_attach(device_t parent, device_t self, void *aux)
66 {
67
68 #define MHZ(x) ((x) / 1000000), (((x) % 1000000) / 1000)
69
70 aprint_naive("\n");
71 aprint_normal(": SH%d %d.%02d MHz PCLOCK %d.%02d MHz\n",
72 CPU_IS_SH3 ? 3 : 4,
73 MHZ(sh_clock_get_cpuclock()),
74 MHZ(sh_clock_get_pclock()));
75
76 #undef MHZ
77
78 sh_cache_information();
79 sh_mmu_information();
80
81 if (!pmf_device_register(self, NULL, NULL))
82 aprint_error_dev(self, "unable to establish power handler\n");
83 }
84