File: [local] / sys / arch / sh / sh / cpu.c (download)
Revision 1.1, Tue Mar 4 16:08:58 2008 UTC (16 years, 2 months ago) by nbrk
Branch point for: MAIN
Initial revision
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/* $OpenBSD: cpu.c,v 1.2 2007/05/14 07:05:49 art Exp $ */
/* $NetBSD: cpu.c,v 1.8 2006/01/02 23:16:20 uwe Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sh/clock.h>
#include <sh/cache.h>
#include <sh/mmu.h>
#include <machine/autoconf.h>
int cpu_match(struct device *, void *, void *);
void cpu_attach(struct device *, struct device *, void *);
struct cfattach cpu_ca = {
sizeof(struct device), cpu_match, cpu_attach
};
struct cfdriver cpu_cd = {
0, "cpu", DV_DULL
};
struct cpu_info cpu_info_store;
int
cpu_match(struct device *parent, void *vcf, void *aux)
{
struct mainbus_attach_args *ma = aux;
if (strcmp(ma->ma_name, cpu_cd.cd_name) != 0)
return (0);
return (1);
}
void
cpu_attach(struct device *parent, struct device *self, void *aux)
{
#define MHZ(x) ((x) / 1000000), (((x) % 1000000) / 1000)
printf(": HITACHI SH%d %d.%02d MHz PCLOCK %d.%02d MHz\n",
CPU_IS_SH3 ? 3 : 4, MHZ(sh_clock_get_cpuclock()),
MHZ(sh_clock_get_pclock()));
#undef MHZ
sh_cache_information();
sh_mmu_information();
}