freebsd-skq/sys/dev/smc/if_smc_fdt.c
Andrew Turner 22b33ca4b2 Add an ACPI attachment for if_smc
This is needed by some of the Arm simulators as they implement a smc based
network interface, but use ACPI rather than FDT.

Sponsored by:	Innovate UK
2020-07-28 09:29:56 +00:00

86 lines
2.4 KiB
C

/*-
* Copyright (c) 2008 Benno Rice
* 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 ``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 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.
*
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/socket.h>
#include <sys/systm.h>
#include <sys/taskqueue.h>
#include <net/if.h>
#include <dev/smc/if_smcvar.h>
#include <dev/fdt/fdt_common.h>
#include <dev/ofw/openfirm.h>
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>
static int smc_fdt_probe(device_t);
static int
smc_fdt_probe(device_t dev)
{
struct smc_softc *sc;
if (!ofw_bus_status_okay(dev))
return (ENXIO);
if (ofw_bus_is_compatible(dev, "smsc,lan91c111")) {
sc = device_get_softc(dev);
sc->smc_usemem = 1;
if (smc_probe(dev) != 0) {
return (ENXIO);
}
return (0);
}
return (ENXIO);
}
static device_method_t smc_fdt_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, smc_fdt_probe),
{ 0, 0 }
};
DEFINE_CLASS_1(smc, smc_fdt_driver, smc_fdt_methods,
sizeof(struct smc_softc), smc_driver);
extern devclass_t smc_devclass;
DRIVER_MODULE(smc, simplebus, smc_fdt_driver, smc_devclass, 0, 0);
MODULE_DEPEND(smc, fdt, 1, 1, 1);
MODULE_DEPEND(smc, ether, 1, 1, 1);
MODULE_DEPEND(smc, miibus, 1, 1, 1);