NetBSD/sys/arch/news68k/dev/mkclock_hb.c
tsutsui d49986b17f Split clock device attachment into interval timer and todclock
since they are actually independent devices.
2001-07-07 15:27:19 +00:00

110 lines
3.4 KiB
C

/* $NetBSD: mkclock_hb.c,v 1.1 2001/07/07 15:27:22 tsutsui Exp $ */
/*-
* Copyright (c) 1996 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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/kernel.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/cpu.h>
#include <machine/bus.h>
#include <dev/clock_subr.h>
#include <dev/ic/mk48txxreg.h>
#include <news68k/news68k/clockvar.h>
#include <news68k/dev/hbvar.h>
int mkclock_hb_match __P((struct device *, struct cfdata *, void *));
void mkclock_hb_attach __P((struct device *, struct device *, void *));
struct cfattach mkclock_hb_ca = {
sizeof(struct device), mkclock_hb_match, mkclock_hb_attach
};
extern struct cfdriver mkclock_cd;
int
mkclock_hb_match(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct hb_attach_args *ha = aux;
static int mkclock_hb_matched;
/* Only one clock, please. */
if (mkclock_hb_matched)
return (0);
if (strcmp(ha->ha_name, mkclock_cd.cd_name))
return (0);
ha->ha_size = MK48T02_CLKSZ;
mkclock_hb_matched = 1;
return 1;
}
void
mkclock_hb_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct hb_attach_args *ha = aux;
bus_space_tag_t bst = ha->ha_bust;
bus_space_handle_t bsh;
todr_chip_handle_t handle;
if (bus_space_map(bst, (bus_addr_t)ha->ha_address, ha->ha_size,
0, &bsh) != 0)
printf("can't map device space\n");
if ((handle = mk48txx_attach(bst, bsh, "mk48t02", 1900)) == NULL)
panic("can't attach tod clock");
printf("\n");
handle->bus_cookie = NULL;
handle->todr_setwen = NULL;
todclock_config(handle);
}