xref: /netbsd/sys/arch/sh3/sh3/cpu.c (revision c4a72b64)
1 /*	$NetBSD: cpu.c,v 1.5 2002/10/02 15:52:35 thorpej 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  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *        This product includes software developed by the NetBSD
18  *        Foundation, Inc. and its contributors.
19  * 4. Neither the name of The NetBSD Foundation nor the names of its
20  *    contributors may be used to endorse or promote products derived
21  *    from this software without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
24  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
25  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
27  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33  * POSSIBILITY OF SUCH DAMAGE.
34  */
35 
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/device.h>
39 
40 #include <sh3/clock.h>
41 #include <sh3/cache.h>
42 #include <sh3/mmu.h>
43 
44 #include <machine/autoconf.h>
45 
46 int cpu_match(struct device *, struct cfdata *, void *);
47 void cpu_attach(struct device *, struct device *, void *);
48 
49 CFATTACH_DECL(cpu, sizeof (struct device),
50     cpu_match, cpu_attach, NULL, NULL);
51 
52 int
53 cpu_match(struct device *parent, struct cfdata *cf, void *aux)
54 {
55 	extern struct cfdriver cpu_cd;
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 void
65 cpu_attach(struct device *parent, struct device *self, void *aux)
66 {
67 
68 #define	MHZ(x) ((x) / 1000000), (((x) % 1000000) / 1000)
69 	printf(": HITACHI SH%d %d.%02dMHz PCLOCK %d.%02d MHz\n",
70 	    CPU_IS_SH3 ? 3 : 4, MHZ(sh_clock_get_cpuclock()),
71 	    MHZ(sh_clock_get_pclock()));
72 #undef MHZ
73 	sh_cache_information();
74 	sh_mmu_information();
75 }
76