130 lines
3.8 KiB
C
130 lines
3.8 KiB
C
/*-
|
|
* Copyright (c) 2017-2018 QCM Technologies.
|
|
* Copyright (c) 2017-2018 Semihalf.
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#include "opt_platform.h"
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/conf.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/lock.h>
|
|
#include <sys/mbuf.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/module.h>
|
|
#include <sys/mutex.h>
|
|
#include <sys/rman.h>
|
|
#include <machine/bus.h>
|
|
|
|
#ifdef FDT
|
|
#include <dev/ofw/ofw_bus.h>
|
|
#include <dev/ofw/ofw_bus_subr.h>
|
|
#endif
|
|
|
|
struct powernv_centaur_softc
|
|
{
|
|
|
|
};
|
|
|
|
static int powernv_centaur_attach(device_t);
|
|
static int powernv_centaur_probe(device_t);
|
|
static const struct ofw_bus_devinfo *
|
|
powernv_centaur_get_devinfo(device_t, device_t);
|
|
|
|
static device_method_t powernv_centaur_methods[] = {
|
|
/* Device interface */
|
|
DEVMETHOD(device_probe, powernv_centaur_probe),
|
|
DEVMETHOD(device_attach, powernv_centaur_attach),
|
|
|
|
/* ofw_bus interface */
|
|
DEVMETHOD(ofw_bus_get_devinfo, powernv_centaur_get_devinfo),
|
|
DEVMETHOD(ofw_bus_get_compat, ofw_bus_gen_get_compat),
|
|
DEVMETHOD(ofw_bus_get_model, ofw_bus_gen_get_model),
|
|
DEVMETHOD(ofw_bus_get_name, ofw_bus_gen_get_name),
|
|
DEVMETHOD(ofw_bus_get_node, ofw_bus_gen_get_node),
|
|
DEVMETHOD(ofw_bus_get_type, ofw_bus_gen_get_type),
|
|
|
|
DEVMETHOD_END
|
|
};
|
|
|
|
static devclass_t powernv_centaur_devclass;
|
|
|
|
static int
|
|
powernv_centaur_probe(device_t dev)
|
|
{
|
|
|
|
if (!(ofw_bus_is_compatible(dev, "ibm,centaur")))
|
|
return (ENXIO);
|
|
|
|
device_set_desc(dev, "centaur");
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
powernv_centaur_attach(device_t dev)
|
|
{
|
|
phandle_t child;
|
|
device_t cdev;
|
|
struct ofw_bus_devinfo *dinfo;
|
|
|
|
for (child = OF_child(ofw_bus_get_node(dev)); child != 0;
|
|
child = OF_peer(child)) {
|
|
dinfo = malloc(sizeof(*dinfo), M_DEVBUF, M_WAITOK | M_ZERO);
|
|
if (ofw_bus_gen_setup_devinfo(dinfo, child) != 0) {
|
|
free(dinfo, M_DEVBUF);
|
|
continue;
|
|
}
|
|
cdev = device_add_child(dev, NULL, -1);
|
|
if (cdev == NULL) {
|
|
device_printf(dev, "<%s>: device_add_child failed\n",
|
|
dinfo->obd_name);
|
|
ofw_bus_gen_destroy_devinfo(dinfo);
|
|
free(dinfo, M_DEVBUF);
|
|
continue;
|
|
}
|
|
device_set_ivars(cdev, dinfo);
|
|
}
|
|
|
|
return (bus_generic_attach(dev));
|
|
}
|
|
|
|
static const struct ofw_bus_devinfo *
|
|
powernv_centaur_get_devinfo(device_t dev, device_t child)
|
|
{
|
|
return (device_get_ivars(child));
|
|
}
|
|
|
|
DEFINE_CLASS_0(powernv_centaur, powernv_centaur_driver, powernv_centaur_methods,
|
|
sizeof(struct powernv_centaur_softc));
|
|
DRIVER_MODULE(powernv_centaur, ofwbus, powernv_centaur_driver, powernv_centaur_devclass, NULL,
|
|
NULL);
|