arswitch_7240.c revision 253572
133965Sjdp/*- 278828Sobrien * Copyright (c) 2011-2012 Stefan Bethke. 378828Sobrien * Copyright (c) 2012 Adrian Chadd. 433965Sjdp * All rights reserved. 533965Sjdp * 633965Sjdp * Redistribution and use in source and binary forms, with or without 733965Sjdp * modification, are permitted provided that the following conditions 833965Sjdp * are met: 933965Sjdp * 1. Redistributions of source code must retain the above copyright 1033965Sjdp * notice, this list of conditions and the following disclaimer. 1133965Sjdp * 2. Redistributions in binary form must reproduce the above copyright 1233965Sjdp * notice, this list of conditions and the following disclaimer in the 1333965Sjdp * documentation and/or other materials provided with the distribution. 1433965Sjdp * 1533965Sjdp * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1633965Sjdp * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1733965Sjdp * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1877298Sobrien * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1977298Sobrien * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2077298Sobrien * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2133965Sjdp * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2233965Sjdp * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2333965Sjdp * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2433965Sjdp * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2533965Sjdp * SUCH DAMAGE. 2633965Sjdp * 2733965Sjdp * $FreeBSD: head/sys/dev/etherswitch/arswitch/arswitch_7240.c 253572 2013-07-23 14:24:22Z loos $ 2833965Sjdp */ 2977298Sobrien 3077298Sobrien#include <sys/param.h> 3133965Sjdp#include <sys/bus.h> 3233965Sjdp#include <sys/errno.h> 3333965Sjdp#include <sys/kernel.h> 3433965Sjdp#include <sys/module.h> 3533965Sjdp#include <sys/socket.h> 3633965Sjdp#include <sys/sockio.h> 3733965Sjdp#include <sys/sysctl.h> 3833965Sjdp#include <sys/systm.h> 3933965Sjdp 4033965Sjdp#include <net/if.h> 4133965Sjdp#include <net/if_arp.h> 4277298Sobrien#include <net/ethernet.h> 4377298Sobrien#include <net/if_dl.h> 4433965Sjdp#include <net/if_media.h> 4533965Sjdp#include <net/if_types.h> 4633965Sjdp 4777298Sobrien#include <machine/bus.h> 4877298Sobrien#include <dev/iicbus/iic.h> 4977298Sobrien#include <dev/iicbus/iiconf.h> 5033965Sjdp#include <dev/iicbus/iicbus.h> 5133965Sjdp#include <dev/mii/mii.h> 5277298Sobrien#include <dev/mii/miivar.h> 5377298Sobrien#include <dev/etherswitch/mdio.h> 5433965Sjdp 5533965Sjdp#include <dev/etherswitch/etherswitch.h> 5677298Sobrien 5777298Sobrien#include <dev/etherswitch/arswitch/arswitchreg.h> 5833965Sjdp#include <dev/etherswitch/arswitch/arswitchvar.h> 5933965Sjdp#include <dev/etherswitch/arswitch/arswitch_reg.h> 6033965Sjdp#include <dev/etherswitch/arswitch/arswitch_phy.h> /* XXX for probe */ 6133965Sjdp#include <dev/etherswitch/arswitch/arswitch_7240.h> 6233965Sjdp 6377298Sobrien#include "mdio_if.h" 6433965Sjdp#include "miibus_if.h" 6533965Sjdp#include "etherswitch_if.h" 6633965Sjdp 6777298Sobrien/* 6877298Sobrien * AR7240 specific functions 6933965Sjdp */ 7033965Sjdpstatic int 7133965Sjdpar7240_hw_setup(struct arswitch_softc *sc) 7233965Sjdp{ 7377298Sobrien 74 return (0); 75} 76 77/* 78 * Initialise other global values for the AR7240. 79 */ 80static int 81ar7240_hw_global_setup(struct arswitch_softc *sc) 82{ 83 84 /* Enable CPU port; disable mirror port */ 85 arswitch_writereg(sc->sc_dev, AR8X16_REG_CPU_PORT, 86 AR8X16_CPU_PORT_EN | AR8X16_CPU_MIRROR_DIS); 87 88 /* Setup TAG priority mapping */ 89 arswitch_writereg(sc->sc_dev, AR8X16_REG_TAG_PRIO, 0xfa50); 90 91 /* Enable broadcast frames transmitted to the CPU */ 92 arswitch_writereg(sc->sc_dev, AR8X16_REG_FLOOD_MASK, 93 AR8X16_FLOOD_MASK_BCAST_TO_CPU | 0x003f003f); 94 95 /* Setup MTU */ 96 arswitch_modifyreg(sc->sc_dev, AR8X16_REG_GLOBAL_CTRL, 97 AR7240_GLOBAL_CTRL_MTU_MASK, 98 SM(1536, AR7240_GLOBAL_CTRL_MTU_MASK)); 99 100 /* Service Tag */ 101 arswitch_modifyreg(sc->sc_dev, AR8X16_REG_SERVICE_TAG, 102 AR8X16_SERVICE_TAG_MASK, 0); 103 104 return (0); 105} 106 107/* 108 * The AR7240 probes the same as the AR8216. 109 * 110 * However, the support is slightly different. 111 * 112 * So instead of checking the PHY revision or mask register contents, 113 * we simply fall back to a hint check. 114 */ 115int 116ar7240_probe(device_t dev) 117{ 118 int is_7240 = 0; 119 120 if (resource_int_value(device_get_name(dev), device_get_unit(dev), 121 "is_7240", &is_7240) != 0) 122 return (ENXIO); 123 124 if (is_7240 == 0) 125 return (ENXIO); 126 127 return (0); 128} 129 130void 131ar7240_attach(struct arswitch_softc *sc) 132{ 133 134 sc->hal.arswitch_hw_setup = ar7240_hw_setup; 135 sc->hal.arswitch_hw_global_setup = ar7240_hw_global_setup; 136 137 /* Set the switch vlan capabilities. */ 138 sc->info.es_vlan_caps = ETHERSWITCH_VLAN_DOT1Q | 139 ETHERSWITCH_VLAN_PORT | ETHERSWITCH_VLAN_DOUBLE_TAG; 140 sc->info.es_nvlangroups = AR8X16_MAX_VLANS; 141} 142