96 lines
2.9 KiB
C
96 lines
2.9 KiB
C
/*-
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* Copyright (c) 2015 The FreeBSD Foundation
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* All rights reserved.
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*
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* This software was developed by Semihalf under
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* the sponsorship of the FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <dev/ofw/ofw_bus.h>
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#include <dev/ofw/ofw_bus_subr.h>
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#include "thunder_mdio_var.h"
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static int thunder_mdio_fdt_probe(device_t);
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static int thunder_mdio_fdt_attach(device_t);
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static device_method_t thunder_mdio_fdt_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, thunder_mdio_fdt_probe),
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DEVMETHOD(device_attach, thunder_mdio_fdt_attach),
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/* End */
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DEVMETHOD_END
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};
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DEFINE_CLASS_1(thunder_mdio, thunder_mdio_fdt_driver, thunder_mdio_fdt_methods,
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sizeof(struct thunder_mdio_softc), thunder_mdio_driver);
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static devclass_t thunder_mdio_fdt_devclass;
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EARLY_DRIVER_MODULE(thunder_mdio, ofwbus, thunder_mdio_fdt_driver,
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thunder_mdio_fdt_devclass, 0, 0, BUS_PASS_BUS + BUS_PASS_ORDER_MIDDLE);
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static int
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thunder_mdio_fdt_probe(device_t dev)
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{
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if (ofw_bus_is_compatible(dev, "cavium,octeon-3860-mdio")) {
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device_set_desc(dev, THUNDER_MDIO_DEVSTR);
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return (BUS_PROBE_DEFAULT);
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}
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return (ENXIO);
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}
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static int
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thunder_mdio_fdt_attach(device_t dev)
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{
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phandle_t node;
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int ret;
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/* Call core attach */
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ret = thunder_mdio_attach(dev);
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if (ret != 0)
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return (ret);
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/*
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* Register device to this node/xref.
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* Thanks to that we will be able to retrieve device_t structure
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* while holding only node reference acquired from FDT.
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*/
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node = ofw_bus_get_node(dev);
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OF_device_register_xref(OF_xref_from_node(node), dev);
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return (0);
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}
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