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/*-
* Copyright (c) 2011-2012 Stefan Bethke.
* Copyright (c) 2012 Adrian Chadd.
* 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.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/bus.h>
#include <sys/errno.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/sysctl.h>
#include <sys/systm.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <net/ethernet.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#include <net/if_types.h>
#include <machine/bus.h>
#include <dev/iicbus/iic.h>
#include <dev/iicbus/iiconf.h>
#include <dev/iicbus/iicbus.h>
#include <dev/mii/mii.h>
#include <dev/mii/miivar.h>
#include <dev/etherswitch/mdio.h>
#include <dev/etherswitch/etherswitch.h>
#include <dev/etherswitch/arswitch/arswitchreg.h>
#include <dev/etherswitch/arswitch/arswitchvar.h>
#include <dev/etherswitch/arswitch/arswitch_reg.h>
#include <dev/etherswitch/arswitch/arswitch_phy.h> /* XXX for probe */
#include <dev/etherswitch/arswitch/arswitch_7240.h>
#include "mdio_if.h"
#include "miibus_if.h"
#include "etherswitch_if.h"
/*
* AR7240 specific functions
*/
static int
ar7240_hw_setup(struct arswitch_softc *sc)
{
/* Enable CPU port; disable mirror port */
arswitch_writereg(sc->sc_dev, AR8X16_REG_CPU_PORT,
AR8X16_CPU_PORT_EN | AR8X16_CPU_MIRROR_DIS);
/*
* Let things settle; probing PHY4 doesn't seem reliable
* without a litle delay.
*/
DELAY(1000);
return (0);
}
/*
* Initialise other global values for the AR7240.
*/
static int
ar7240_hw_global_setup(struct arswitch_softc *sc)
{
/* Setup TAG priority mapping */
arswitch_writereg(sc->sc_dev, AR8X16_REG_TAG_PRIO, 0xfa50);
/* Enable broadcast frames transmitted to the CPU */
arswitch_writereg(sc->sc_dev, AR8X16_REG_FLOOD_MASK,
AR8X16_FLOOD_MASK_BCAST_TO_CPU | 0x003f003f);
/* Setup MTU */
arswitch_modifyreg(sc->sc_dev, AR8X16_REG_GLOBAL_CTRL,
AR7240_GLOBAL_CTRL_MTU_MASK,
SM(1536, AR7240_GLOBAL_CTRL_MTU_MASK));
/* Service Tag */
arswitch_modifyreg(sc->sc_dev, AR8X16_REG_SERVICE_TAG,
AR8X16_SERVICE_TAG_MASK, 0);
return (0);
}
/*
* The AR7240 probes the same as the AR8216.
*
* However, the support is slightly different.
*
* So instead of checking the PHY revision or mask register contents,
* we simply fall back to a hint check.
*/
int
ar7240_probe(device_t dev)
{
int is_7240 = 0;
if (resource_int_value(device_get_name(dev), device_get_unit(dev),
"is_7240", &is_7240) != 0)
return (ENXIO);
if (is_7240 == 0)
return (ENXIO);
return (0);
}
void
ar7240_attach(struct arswitch_softc *sc)
{
sc->hal.arswitch_hw_setup = ar7240_hw_setup;
sc->hal.arswitch_hw_global_setup = ar7240_hw_global_setup;
}
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