1235323Sadrian/*- 2235323Sadrian * Copyright (c) 2011-2012 Stefan Bethke. 3235323Sadrian * Copyright (c) 2012 Adrian Chadd. 4235323Sadrian * All rights reserved. 5235323Sadrian * 6235323Sadrian * Redistribution and use in source and binary forms, with or without 7235323Sadrian * modification, are permitted provided that the following conditions 8235323Sadrian * are met: 9235323Sadrian * 1. Redistributions of source code must retain the above copyright 10235323Sadrian * notice, this list of conditions and the following disclaimer. 11235323Sadrian * 2. Redistributions in binary form must reproduce the above copyright 12235323Sadrian * notice, this list of conditions and the following disclaimer in the 13235323Sadrian * documentation and/or other materials provided with the distribution. 14235323Sadrian * 15235323Sadrian * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16235323Sadrian * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17235323Sadrian * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18235323Sadrian * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19235323Sadrian * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20235323Sadrian * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21235323Sadrian * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22235323Sadrian * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23235323Sadrian * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24235323Sadrian * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25235323Sadrian * SUCH DAMAGE. 26235323Sadrian * 27235323Sadrian * $FreeBSD$ 28235323Sadrian */ 29235323Sadrian 30235323Sadrian#include <sys/param.h> 31235323Sadrian#include <sys/bus.h> 32235323Sadrian#include <sys/errno.h> 33235323Sadrian#include <sys/kernel.h> 34235323Sadrian#include <sys/module.h> 35235323Sadrian#include <sys/socket.h> 36235323Sadrian#include <sys/sockio.h> 37235323Sadrian#include <sys/sysctl.h> 38235323Sadrian#include <sys/systm.h> 39235323Sadrian 40235323Sadrian#include <net/if.h> 41235323Sadrian#include <net/if_arp.h> 42235323Sadrian#include <net/ethernet.h> 43235323Sadrian#include <net/if_dl.h> 44235323Sadrian#include <net/if_media.h> 45235323Sadrian#include <net/if_types.h> 46235323Sadrian 47235323Sadrian#include <machine/bus.h> 48235323Sadrian#include <dev/iicbus/iic.h> 49235323Sadrian#include <dev/iicbus/iiconf.h> 50235323Sadrian#include <dev/iicbus/iicbus.h> 51235323Sadrian#include <dev/mii/mii.h> 52235323Sadrian#include <dev/mii/miivar.h> 53235323Sadrian#include <dev/etherswitch/mdio.h> 54235323Sadrian 55235323Sadrian#include <dev/etherswitch/etherswitch.h> 56235323Sadrian 57235323Sadrian#include <dev/etherswitch/arswitch/arswitchreg.h> 58235323Sadrian#include <dev/etherswitch/arswitch/arswitchvar.h> 59235323Sadrian#include <dev/etherswitch/arswitch/arswitch_reg.h> 60235323Sadrian#include <dev/etherswitch/arswitch/arswitch_phy.h> /* XXX for probe */ 61235323Sadrian#include <dev/etherswitch/arswitch/arswitch_7240.h> 62235323Sadrian 63235323Sadrian#include "mdio_if.h" 64235323Sadrian#include "miibus_if.h" 65235323Sadrian#include "etherswitch_if.h" 66235323Sadrian 67235323Sadrian/* 68235323Sadrian * AR7240 specific functions 69235323Sadrian */ 70235323Sadrianstatic int 71235323Sadrianar7240_hw_setup(struct arswitch_softc *sc) 72235323Sadrian{ 73235323Sadrian 74235323Sadrian return (0); 75235323Sadrian} 76235323Sadrian 77235323Sadrian/* 78235323Sadrian * Initialise other global values for the AR7240. 79235323Sadrian */ 80235323Sadrianstatic int 81235323Sadrianar7240_hw_global_setup(struct arswitch_softc *sc) 82235323Sadrian{ 83235323Sadrian 84253572Sloos /* Enable CPU port; disable mirror port */ 85253572Sloos arswitch_writereg(sc->sc_dev, AR8X16_REG_CPU_PORT, 86253572Sloos AR8X16_CPU_PORT_EN | AR8X16_CPU_MIRROR_DIS); 87253572Sloos 88235323Sadrian /* Setup TAG priority mapping */ 89235377Sadrian arswitch_writereg(sc->sc_dev, AR8X16_REG_TAG_PRIO, 0xfa50); 90235323Sadrian 91235377Sadrian /* Enable broadcast frames transmitted to the CPU */ 92235377Sadrian arswitch_writereg(sc->sc_dev, AR8X16_REG_FLOOD_MASK, 93235377Sadrian AR8X16_FLOOD_MASK_BCAST_TO_CPU | 0x003f003f); 94235377Sadrian 95235377Sadrian /* Setup MTU */ 96235370Sadrian arswitch_modifyreg(sc->sc_dev, AR8X16_REG_GLOBAL_CTRL, 97235370Sadrian AR7240_GLOBAL_CTRL_MTU_MASK, 98235370Sadrian SM(1536, AR7240_GLOBAL_CTRL_MTU_MASK)); 99235323Sadrian 100235377Sadrian /* Service Tag */ 101235377Sadrian arswitch_modifyreg(sc->sc_dev, AR8X16_REG_SERVICE_TAG, 102235377Sadrian AR8X16_SERVICE_TAG_MASK, 0); 103235323Sadrian 104235323Sadrian return (0); 105235323Sadrian} 106235323Sadrian 107235323Sadrian/* 108235323Sadrian * The AR7240 probes the same as the AR8216. 109235323Sadrian * 110235323Sadrian * However, the support is slightly different. 111235323Sadrian * 112235323Sadrian * So instead of checking the PHY revision or mask register contents, 113235323Sadrian * we simply fall back to a hint check. 114235323Sadrian */ 115235323Sadrianint 116235323Sadrianar7240_probe(device_t dev) 117235323Sadrian{ 118235323Sadrian int is_7240 = 0; 119235323Sadrian 120235323Sadrian if (resource_int_value(device_get_name(dev), device_get_unit(dev), 121235323Sadrian "is_7240", &is_7240) != 0) 122235323Sadrian return (ENXIO); 123235323Sadrian 124235323Sadrian if (is_7240 == 0) 125235323Sadrian return (ENXIO); 126235323Sadrian 127235323Sadrian return (0); 128235323Sadrian} 129235323Sadrian 130235323Sadrianvoid 131235323Sadrianar7240_attach(struct arswitch_softc *sc) 132235323Sadrian{ 133235323Sadrian 134235323Sadrian sc->hal.arswitch_hw_setup = ar7240_hw_setup; 135235323Sadrian sc->hal.arswitch_hw_global_setup = ar7240_hw_global_setup; 136253572Sloos 137253572Sloos /* Set the switch vlan capabilities. */ 138253572Sloos sc->info.es_vlan_caps = ETHERSWITCH_VLAN_DOT1Q | 139253572Sloos ETHERSWITCH_VLAN_PORT | ETHERSWITCH_VLAN_DOUBLE_TAG; 140253572Sloos sc->info.es_nvlangroups = AR8X16_MAX_VLANS; 141235323Sadrian} 142