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/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
* Copyright (c) 1994 Gordon W. Ross
* Copyright (c) 1993 Adam Glass
* Copyright (c) 1996 Paul Kranenburg
* Copyright (c) 1996
* The President and Fellows of Harvard College. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Harvard University.
*
* 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 Paul Kranenburg.
* This product includes software developed by Harvard University.
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
*
* from: @(#)clock.c 8.1 (Berkeley) 6/11/93
* from: NetBSD: clock.c,v 1.41 2001/07/24 19:29:25 eeh Exp
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/resource.h>
#include <machine/bus.h>
#include <machine/idprom.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <dev/ofw/openfirm.h>
#include <machine/eeprom.h>
#include <dev/mk48txx/mk48txxreg.h>
#include "clock_if.h"
devclass_t eeprom_devclass;
#define IDPROM_OFFSET (8 * 1024 - 40) /* XXX - get nvram size from driver */
int
eeprom_attach(device_t dev, phandle_t node, bus_space_tag_t bt,
bus_space_handle_t bh)
{
struct timespec ts;
struct idprom *idp;
char *model;
int error, i;
u_int32_t h;
if (OF_getprop_alloc(node, "model", 1, (void **)&model) == -1)
panic("eeprom_attach: no model property");
/* Our TOD clock year 0 is 1968 */
if ((error = mk48txx_attach(dev, bt, bh, model, 1968)) != 0) {
device_printf(dev, "Can't attach %s tod clock", model);
free(model, M_OFWPROP);
return (error);
}
/* XXX: register clock device */
/* Get the host ID from the prom. */
idp = (struct idprom *)((u_long)bh + IDPROM_OFFSET);
h = bus_space_read_1(bt, bh, IDPROM_OFFSET +
offsetof(struct idprom, id_machine)) << 24;
for (i = 0; i < 3; i++) {
h |= bus_space_read_1(bt, bh, IDPROM_OFFSET +
offsetof(struct idprom, id_hostid[i])) << ((2 - i) * 8);
}
/* XXX: register host id */
device_printf(dev, "hostid %x\n", (u_int)h);
if (bootverbose) {
mk48txx_gettime(dev, &ts);
device_printf(dev, "current time: %ld.%09ld\n", (long)ts.tv_sec,
ts.tv_nsec);
}
return (0);
}
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