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/*-
* Copyright (c) 2015 The FreeBSD Foundation
* All rights reserved.
*
* This software was developed by Semihalf under
* the sponsorship of the FreeBSD Foundation.
*
* 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>
#include "thunder_mdio_var.h"
static int thunder_mdio_fdt_probe(device_t);
static int thunder_mdio_fdt_attach(device_t);
static device_method_t thunder_mdio_fdt_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, thunder_mdio_fdt_probe),
DEVMETHOD(device_attach, thunder_mdio_fdt_attach),
/* End */
DEVMETHOD_END
};
DEFINE_CLASS_1(thunder_mdio, thunder_mdio_fdt_driver, thunder_mdio_fdt_methods,
sizeof(struct thunder_mdio_softc), thunder_mdio_driver);
static devclass_t thunder_mdio_fdt_devclass;
EARLY_DRIVER_MODULE(thunder_mdio, ofwbus, thunder_mdio_fdt_driver,
thunder_mdio_fdt_devclass, 0, 0, BUS_PASS_BUS + BUS_PASS_ORDER_MIDDLE);
static int
thunder_mdio_fdt_probe(device_t dev)
{
if (ofw_bus_is_compatible(dev, "cavium,octeon-3860-mdio")) {
device_set_desc(dev, THUNDER_MDIO_DEVSTR);
return (BUS_PROBE_DEFAULT);
}
return (ENXIO);
}
static int
thunder_mdio_fdt_attach(device_t dev)
{
phandle_t node;
int ret;
/* Call core attach */
ret = thunder_mdio_attach(dev);
if (ret != 0)
return (ret);
/*
* Register device to this node/xref.
* Thanks to that we will be able to retrieve device_t structure
* while holding only node reference acquired from FDT.
*/
node = ofw_bus_get_node(dev);
OF_device_register_xref(OF_xref_from_node(node), dev);
return (0);
}
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