5f43f310c6
It would have been on an actual named pass before, but none were really appropriate in name. Move it to the recently created SUPPORTDEV pass, which perfectly describes it and keeps it in the right order.
85 lines
2.7 KiB
C
85 lines
2.7 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
|
|
*
|
|
* Copyright (c) 2018 Kyle Evans <kevans@FreeBSD.org>
|
|
* 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.
|
|
*/
|
|
|
|
/*
|
|
* Allwinner syscon driver
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/module.h>
|
|
#include <sys/mutex.h>
|
|
#include <sys/rman.h>
|
|
#include <machine/bus.h>
|
|
|
|
#include <dev/ofw/openfirm.h>
|
|
#include <dev/ofw/ofw_bus.h>
|
|
#include <dev/ofw/ofw_bus_subr.h>
|
|
|
|
#include <dev/extres/syscon/syscon.h>
|
|
#include <dev/extres/syscon/syscon_generic.h>
|
|
|
|
static struct ofw_compat_data compat_data[] = {
|
|
{"allwinner,sun50i-a64-system-controller", 1},
|
|
{"allwinner,sun8i-a83t-system-controller", 1},
|
|
{"allwinner,sun8i-h3-system-controller", 1},
|
|
{NULL, 0}
|
|
};
|
|
|
|
static int
|
|
aw_syscon_probe(device_t dev)
|
|
{
|
|
|
|
if (!ofw_bus_status_okay(dev))
|
|
return (ENXIO);
|
|
if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
|
|
return (ENXIO);
|
|
|
|
device_set_desc(dev, "Allwinner syscon");
|
|
return (BUS_PROBE_DEFAULT);
|
|
}
|
|
|
|
static device_method_t aw_syscon_methods[] = {
|
|
DEVMETHOD(device_probe, aw_syscon_probe),
|
|
|
|
DEVMETHOD_END
|
|
};
|
|
|
|
DEFINE_CLASS_1(aw_syscon, aw_syscon_driver, aw_syscon_methods,
|
|
sizeof(struct syscon_generic_softc), syscon_generic_driver);
|
|
|
|
static devclass_t aw_syscon_devclass;
|
|
/* aw_syscon needs to attach prior to if_awg */
|
|
EARLY_DRIVER_MODULE(aw_syscon, simplebus, aw_syscon_driver, aw_syscon_devclass,
|
|
0, 0, BUS_PASS_SUPPORTDEV + BUS_PASS_ORDER_MIDDLE);
|
|
MODULE_VERSION(aw_syscon, 1);
|