freebsd-skq/sys/arm/amlogic/aml8726/aml8726_if_dwc.c
ganbold f1be4caadd Add glue driver for Amlogic Meson Gigabit Ethernet Controller
and enable it for Odroid C1 board.
Together with r291676 change, dwc(4) can receive packets now.
2015-12-03 09:37:20 +00:00

99 lines
2.8 KiB
C

/*-
* Copyright (c) 2015 Ganbold Tsagaankhuu <ganbold@FreeBSD.org>
* 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 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 <machine/bus.h>
#include <dev/dwc/if_dwc.h>
#include <dev/dwc/if_dwcvar.h>
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>
#include "if_dwc_if.h"
static int
aml8726_if_dwc_probe(device_t dev)
{
if (!ofw_bus_status_okay(dev))
return (ENXIO);
if (!ofw_bus_is_compatible(dev, "amlogic,meson6-dwmac"))
return (ENXIO);
device_set_desc(dev, "Amlogic Meson Gigabit Ethernet Controller");
return (BUS_PROBE_DEFAULT);
}
static int
aml8726_if_dwc_init(device_t dev)
{
return (0);
}
static int
aml8726_if_dwc_mac_type(device_t dev)
{
return (DWC_GMAC_ALT_DESC);
}
static int
aml8726_if_dwc_mii_clk(device_t dev)
{
return (GMAC_MII_CLK_100_150M_DIV62);
}
static device_method_t aml8726_dwc_methods[] = {
DEVMETHOD(device_probe, aml8726_if_dwc_probe),
DEVMETHOD(if_dwc_init, aml8726_if_dwc_init),
DEVMETHOD(if_dwc_mac_type, aml8726_if_dwc_mac_type),
DEVMETHOD(if_dwc_mii_clk, aml8726_if_dwc_mii_clk),
DEVMETHOD_END
};
static devclass_t aml8726_dwc_devclass;
extern driver_t dwc_driver;
DEFINE_CLASS_1(dwc, aml8726_dwc_driver, aml8726_dwc_methods,
sizeof(struct dwc_softc), dwc_driver);
DRIVER_MODULE(aml8726_dwc, simplebus, aml8726_dwc_driver,
aml8726_dwc_devclass, 0, 0);
MODULE_DEPEND(aml8726_dwc, dwc, 1, 1, 1);