1/*- 2 * Copyright (c) 2011-2012 Stefan Bethke. 3 * Copyright (c) 2012 Adrian Chadd. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD: releng/11.0/sys/dev/etherswitch/arswitch/arswitch_7240.c 292738 2015-12-26 02:31:39Z adrian $ 28 */ 29 30#include <sys/param.h> 31#include <sys/bus.h> 32#include <sys/errno.h> 33#include <sys/kernel.h> 34#include <sys/module.h> 35#include <sys/socket.h> 36#include <sys/sockio.h> 37#include <sys/sysctl.h> 38#include <sys/systm.h> 39 40#include <net/if.h> 41#include <net/if_arp.h> 42#include <net/ethernet.h> 43#include <net/if_dl.h> 44#include <net/if_media.h> 45#include <net/if_types.h> 46 47#include <machine/bus.h> 48#include <dev/iicbus/iic.h> 49#include <dev/iicbus/iiconf.h> 50#include <dev/iicbus/iicbus.h> 51#include <dev/mii/mii.h> 52#include <dev/mii/miivar.h> 53#include <dev/mdio/mdio.h> 54 55#include <dev/etherswitch/etherswitch.h> 56 57#include <dev/etherswitch/arswitch/arswitchreg.h> 58#include <dev/etherswitch/arswitch/arswitchvar.h> 59#include <dev/etherswitch/arswitch/arswitch_reg.h> 60#include <dev/etherswitch/arswitch/arswitch_phy.h> /* XXX for probe */ 61#include <dev/etherswitch/arswitch/arswitch_7240.h> 62 63#include "mdio_if.h" 64#include "miibus_if.h" 65#include "etherswitch_if.h" 66 67/* 68 * AR7240 specific functions 69 */ 70static int 71ar7240_hw_setup(struct arswitch_softc *sc) 72{ 73 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