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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/module.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 <sparc64/sbus/sbusvar.h>
#include "clock_if.h"
static int eeprom_sbus_probe(device_t);
static int eeprom_sbus_attach(device_t);
static device_method_t eeprom_sbus_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, eeprom_sbus_probe),
DEVMETHOD(device_attach, eeprom_sbus_attach),
/* clock interface */
DEVMETHOD(clock_gettime, mk48txx_gettime),
DEVMETHOD(clock_settime, mk48txx_settime),
{ 0, 0 }
};
static driver_t eeprom_sbus_driver = {
"eeprom",
eeprom_sbus_methods,
0,
};
DRIVER_MODULE(eeprom, sbus, eeprom_sbus_driver, eeprom_devclass, 0, 0);
static int
eeprom_sbus_probe(device_t dev)
{
if (strcmp("eeprom", sbus_get_name(dev)) == 0) {
device_set_desc(dev, "SBus EEPROM/clock");
return (0);
}
return (ENXIO);
}
/*
* Attach a clock (really `eeprom') to the sbus.
*
* This is mapped read-only on NetBSD for safety, but this is not possible
* with the current FreeBSD bus code.
*
* the MK48T02 is 2K. the MK48T08 is 8K, and the MK48T59 is supposed to be
* identical to it.
*/
static int
eeprom_sbus_attach(device_t dev)
{
struct resource *res;
int rid, error;
rid = 0;
res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
if (res == NULL) {
device_printf(dev, "could not allocate resources\n");
return (ENXIO);
}
error = eeprom_attach(dev, sbus_get_node(dev), rman_get_bustag(res),
rman_get_bushandle(res));
return (error);
}
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