1/*-
2 * Copyright (c) 2015 Ganbold Tsagaankhuu <ganbold@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD$");
29
30#include <sys/param.h>
31#include <sys/systm.h>
32#include <sys/bus.h>
33#include <sys/kernel.h>
34#include <sys/module.h>
35
36#include <machine/bus.h>
37
38#include <dev/dwc/if_dwc.h>
39#include <dev/dwc/if_dwcvar.h>
40#include <dev/ofw/ofw_bus.h>
41#include <dev/ofw/ofw_bus_subr.h>
42
43#include "if_dwc_if.h"
44
45static int
46aml8726_if_dwc_probe(device_t dev)
47{
48
49	if (!ofw_bus_status_okay(dev))
50		return (ENXIO);
51	if (!ofw_bus_is_compatible(dev, "amlogic,meson6-dwmac"))
52		return (ENXIO);
53	device_set_desc(dev, "Amlogic Meson Gigabit Ethernet Controller");
54
55	return (BUS_PROBE_DEFAULT);
56}
57
58static int
59aml8726_if_dwc_init(device_t dev)
60{
61
62	return (0);
63}
64
65static int
66aml8726_if_dwc_mac_type(device_t dev)
67{
68
69	return (DWC_GMAC_ALT_DESC);
70}
71
72static int
73aml8726_if_dwc_mii_clk(device_t dev)
74{
75
76	return (GMAC_MII_CLK_100_150M_DIV62);
77}
78
79static device_method_t aml8726_dwc_methods[] = {
80	DEVMETHOD(device_probe,		aml8726_if_dwc_probe),
81
82	DEVMETHOD(if_dwc_init,		aml8726_if_dwc_init),
83	DEVMETHOD(if_dwc_mac_type,	aml8726_if_dwc_mac_type),
84	DEVMETHOD(if_dwc_mii_clk,	aml8726_if_dwc_mii_clk),
85
86	DEVMETHOD_END
87};
88
89static devclass_t aml8726_dwc_devclass;
90
91extern driver_t dwc_driver;
92
93DEFINE_CLASS_1(dwc, aml8726_dwc_driver, aml8726_dwc_methods,
94    sizeof(struct dwc_softc), dwc_driver);
95DRIVER_MODULE(aml8726_dwc, simplebus, aml8726_dwc_driver,
96    aml8726_dwc_devclass, 0, 0);
97
98MODULE_DEPEND(aml8726_dwc, dwc, 1, 1, 1);
99