2 * Copyright (c) 2015 The FreeBSD Foundation
5 * This software was developed by Semihalf under
6 * the sponsorship of the FreeBSD Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
33 #include <sys/param.h>
34 #include <sys/systm.h>
36 #include <sys/kernel.h>
37 #include <sys/module.h>
39 #include <dev/ofw/ofw_bus.h>
40 #include <dev/ofw/ofw_bus_subr.h>
42 #include "thunder_mdio_var.h"
44 static int thunder_mdio_fdt_probe(device_t);
45 static int thunder_mdio_fdt_attach(device_t);
47 static device_method_t thunder_mdio_fdt_methods[] = {
48 /* Device interface */
49 DEVMETHOD(device_probe, thunder_mdio_fdt_probe),
50 DEVMETHOD(device_attach, thunder_mdio_fdt_attach),
56 DEFINE_CLASS_1(thunder_mdio, thunder_mdio_fdt_driver, thunder_mdio_fdt_methods,
57 sizeof(struct thunder_mdio_softc), thunder_mdio_driver);
59 static devclass_t thunder_mdio_fdt_devclass;
61 EARLY_DRIVER_MODULE(thunder_mdio, ofwbus, thunder_mdio_fdt_driver,
62 thunder_mdio_fdt_devclass, 0, 0, BUS_PASS_BUS + BUS_PASS_ORDER_MIDDLE);
65 thunder_mdio_fdt_probe(device_t dev)
68 if (ofw_bus_is_compatible(dev, "cavium,octeon-3860-mdio")) {
69 device_set_desc(dev, THUNDER_MDIO_DEVSTR);
70 return (BUS_PROBE_DEFAULT);
77 thunder_mdio_fdt_attach(device_t dev)
82 /* Call core attach */
83 ret = thunder_mdio_attach(dev);
87 * Register device to this node/xref.
88 * Thanks to that we will be able to retrieve device_t structure
89 * while holding only node reference acquired from FDT.
91 node = ofw_bus_get_node(dev);
92 OF_device_register_xref(OF_xref_from_node(node), dev);