Add MD frontents for the mk48txx driver, ported from NetBSD, and remove

stub implementations of inittodr() and resettodr(), now that the MI ones
are used.
This commit is contained in:
tmm 2002-04-04 23:58:50 +00:00
parent 7dd8fb7b53
commit 2ef6f72545
4 changed files with 406 additions and 13 deletions

View File

@ -37,7 +37,6 @@ u_long tick_MHz;
void
cpu_initclocks(void)
{
/* XXX */
}
void
@ -53,18 +52,6 @@ DELAY(int n)
;
}
void
inittodr(time_t base)
{
/* XXX */
}
void
resettodr(void)
{
TODO;
}
void
setstatclockrate(int newhz)
{

View File

@ -0,0 +1,122 @@
/*
* 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.
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* 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 University of
* California, Berkeley and its contributors.
* 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 <ofw/openfirm.h>
#include <machine/eeprom.h>
#include <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);
}

View File

@ -0,0 +1,144 @@
/*
* 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.
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* 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 University of
* California, Berkeley and its contributors.
* 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 <ofw/openfirm.h>
#include <machine/eeprom.h>
#include <mk48txx/mk48txxreg.h>
#include <sparc64/ebus/ebusvar.h>
#include "clock_if.h"
/*
* clock (eeprom) attaches at the sbus or the ebus
*/
static int eeprom_ebus_probe(device_t);
static int eeprom_ebus_attach(device_t);
static device_method_t eeprom_ebus_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, eeprom_ebus_probe),
DEVMETHOD(device_attach, eeprom_ebus_attach),
/* clock interface */
DEVMETHOD(clock_gettime, mk48txx_gettime),
DEVMETHOD(clock_settime, mk48txx_settime),
{ 0, 0 }
};
static driver_t eeprom_ebus_driver = {
"eeprom",
eeprom_ebus_methods,
0,
};
DRIVER_MODULE(eeprom, ebus, eeprom_ebus_driver, eeprom_devclass, 0, 0);
static int
eeprom_ebus_probe(device_t dev)
{
if (strcmp("eeprom", ebus_get_name(dev)) == 0) {
device_set_desc(dev, "EBus EEPROM/clock");
return (0);
}
return (ENXIO);
}
/*
* Attach a clock (really `eeprom') to the ebus.
*
* 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_ebus_attach(device_t dev)
{
struct resource *res;
int rid, error;
rid = 0;
res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0UL, ~0UL, 1,
RF_ACTIVE);
if (res == NULL) {
device_printf(dev, "could not allocate resources\n");
return (ENXIO);
}
error = eeprom_attach(dev, ebus_get_node(dev), rman_get_bustag(res),
rman_get_bushandle(res));
return (error);
}

View File

@ -0,0 +1,140 @@
/*
* 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.
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* 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 University of
* California, Berkeley and its contributors.
* 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 <ofw/openfirm.h>
#include <machine/eeprom.h>
#include <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(dev, SYS_RES_MEMORY, &rid, 0UL, ~0UL, 1,
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);
}