1256576Sadrian/*- 2256576Sadrian * Copyright (c) 2011-2012 Stefan Bethke. 3256576Sadrian * Copyright (c) 2013 Adrian Chadd <adrian@FreeBSD.org> 4256576Sadrian * All rights reserved. 5256576Sadrian * 6256576Sadrian * Redistribution and use in source and binary forms, with or without 7256576Sadrian * modification, are permitted provided that the following conditions 8256576Sadrian * are met: 9256576Sadrian * 1. Redistributions of source code must retain the above copyright 10256576Sadrian * notice, this list of conditions and the following disclaimer. 11256576Sadrian * 2. Redistributions in binary form must reproduce the above copyright 12256576Sadrian * notice, this list of conditions and the following disclaimer in the 13256576Sadrian * documentation and/or other materials provided with the distribution. 14256576Sadrian * 15256576Sadrian * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16256576Sadrian * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17256576Sadrian * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18256576Sadrian * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19256576Sadrian * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20256576Sadrian * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21256576Sadrian * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22256576Sadrian * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23256576Sadrian * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24256576Sadrian * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25256576Sadrian * SUCH DAMAGE. 26256576Sadrian * 27256576Sadrian * $FreeBSD$ 28256576Sadrian */ 29256576Sadrian 30256576Sadrian#include <sys/param.h> 31256576Sadrian#include <sys/bus.h> 32256576Sadrian#include <sys/errno.h> 33256576Sadrian#include <sys/kernel.h> 34256576Sadrian#include <sys/module.h> 35256576Sadrian#include <sys/socket.h> 36256576Sadrian#include <sys/sockio.h> 37256576Sadrian#include <sys/sysctl.h> 38256576Sadrian#include <sys/systm.h> 39256576Sadrian 40256576Sadrian#include <net/if.h> 41256576Sadrian#include <net/if_arp.h> 42256576Sadrian#include <net/ethernet.h> 43256576Sadrian#include <net/if_dl.h> 44256576Sadrian#include <net/if_media.h> 45256576Sadrian#include <net/if_types.h> 46256576Sadrian 47256576Sadrian#include <machine/bus.h> 48268564Srpaulo#include <dev/iicbus/iic.h> 49256576Sadrian#include <dev/iicbus/iiconf.h> 50256576Sadrian#include <dev/iicbus/iicbus.h> 51256576Sadrian#include <dev/mii/mii.h> 52256576Sadrian#include <dev/mii/miivar.h> 53292738Sadrian#include <dev/mdio/mdio.h> 54256576Sadrian 55256576Sadrian#include <dev/etherswitch/etherswitch.h> 56256576Sadrian 57256576Sadrian#include <dev/etherswitch/arswitch/arswitchreg.h> 58256576Sadrian#include <dev/etherswitch/arswitch/arswitchvar.h> 59256576Sadrian#include <dev/etherswitch/arswitch/arswitch_reg.h> 60256576Sadrian#include <dev/etherswitch/arswitch/arswitch_phy.h> /* XXX for probe */ 61256576Sadrian#include <dev/etherswitch/arswitch/arswitch_9340.h> 62256576Sadrian 63256576Sadrian#include "mdio_if.h" 64256576Sadrian#include "miibus_if.h" 65256576Sadrian#include "etherswitch_if.h" 66256576Sadrian 67256576Sadrian/* 68256576Sadrian * AR9340 specific functions 69256576Sadrian */ 70256576Sadrianstatic int 71256576Sadrianar9340_hw_setup(struct arswitch_softc *sc) 72256576Sadrian{ 73256576Sadrian 74256576Sadrian return (0); 75256576Sadrian} 76256576Sadrian 77256576Sadrian/* 78256576Sadrian * Initialise other global values for the AR9340. 79256576Sadrian */ 80256576Sadrianstatic int 81256576Sadrianar9340_hw_global_setup(struct arswitch_softc *sc) 82256576Sadrian{ 83256576Sadrian 84256576Sadrian /* Enable CPU port; disable mirror port */ 85256576Sadrian arswitch_writereg(sc->sc_dev, AR8X16_REG_CPU_PORT, 86256576Sadrian AR8X16_CPU_PORT_EN | AR8X16_CPU_MIRROR_DIS); 87256576Sadrian 88256576Sadrian /* Setup TAG priority mapping */ 89256576Sadrian arswitch_writereg(sc->sc_dev, AR8X16_REG_TAG_PRIO, 0xfa50); 90256576Sadrian 91256576Sadrian /* Enable aging, MAC replacing */ 92256576Sadrian arswitch_writereg(sc->sc_dev, AR934X_REG_AT_CTRL, 93256576Sadrian 0x2b /* 5 min age time */ | 94256576Sadrian AR934X_AT_CTRL_AGE_EN | 95256576Sadrian AR934X_AT_CTRL_LEARN_CHANGE); 96256576Sadrian 97256576Sadrian /* Enable ARP frame acknowledge */ 98256576Sadrian arswitch_modifyreg(sc->sc_dev, AR934X_REG_QM_CTRL, 99256576Sadrian AR934X_QM_CTRL_ARP_EN, AR934X_QM_CTRL_ARP_EN); 100256576Sadrian 101256576Sadrian /* Enable Broadcast frames transmitted to the CPU */ 102256576Sadrian arswitch_modifyreg(sc->sc_dev, AR934X_REG_FLOOD_MASK, 103256576Sadrian AR934X_FLOOD_MASK_BC_DP(0), 104256576Sadrian AR934X_FLOOD_MASK_BC_DP(0)); 105256576Sadrian arswitch_modifyreg(sc->sc_dev, AR934X_REG_FLOOD_MASK, 106256576Sadrian AR934X_FLOOD_MASK_MC_DP(0), 107256576Sadrian AR934X_FLOOD_MASK_MC_DP(0)); 108256576Sadrian 109256576Sadrian /* Enable MIB counters */ 110256576Sadrian arswitch_modifyreg(sc->sc_dev, AR8X16_REG_MIB_FUNC0, 111256576Sadrian AR934X_MIB_ENABLE, AR934X_MIB_ENABLE); 112256576Sadrian 113256576Sadrian /* Setup MTU */ 114256576Sadrian arswitch_modifyreg(sc->sc_dev, AR8X16_REG_GLOBAL_CTRL, 115256576Sadrian AR7240_GLOBAL_CTRL_MTU_MASK, 116256576Sadrian SM(1536, AR7240_GLOBAL_CTRL_MTU_MASK)); 117256576Sadrian 118256576Sadrian /* Service Tag */ 119256576Sadrian arswitch_modifyreg(sc->sc_dev, AR8X16_REG_SERVICE_TAG, 120256576Sadrian AR8X16_SERVICE_TAG_MASK, 0); 121256576Sadrian 122256576Sadrian /* Settle time */ 123256576Sadrian DELAY(1000); 124256576Sadrian 125256576Sadrian /* 126256576Sadrian * Check PHY mode bits. 127256576Sadrian * 128256576Sadrian * This dictates whether the connected port is to be wired 129256576Sadrian * up via GMII or MII. I'm not sure why - this is an internal 130256576Sadrian * wiring issue. 131256576Sadrian */ 132256576Sadrian if (sc->is_gmii) { 133256576Sadrian device_printf(sc->sc_dev, "%s: GMII\n", __func__); 134256576Sadrian arswitch_modifyreg(sc->sc_dev, AR934X_REG_OPER_MODE0, 135256576Sadrian AR934X_OPER_MODE0_MAC_GMII_EN, 136256576Sadrian AR934X_OPER_MODE0_MAC_GMII_EN); 137256576Sadrian } else if (sc->is_mii) { 138256576Sadrian device_printf(sc->sc_dev, "%s: MII\n", __func__); 139256576Sadrian arswitch_modifyreg(sc->sc_dev, AR934X_REG_OPER_MODE0, 140256576Sadrian AR934X_OPER_MODE0_PHY_MII_EN, 141256576Sadrian AR934X_OPER_MODE0_PHY_MII_EN); 142256576Sadrian } else { 143256576Sadrian device_printf(sc->sc_dev, "%s: need is_gmii or is_mii set\n", 144256576Sadrian __func__); 145256576Sadrian return (ENXIO); 146256576Sadrian } 147256576Sadrian 148256576Sadrian /* 149256576Sadrian * Whether to connect PHY 4 via MII (ie a switch port) or 150256576Sadrian * treat it as a CPU port. 151256576Sadrian */ 152256576Sadrian if (sc->phy4cpu) { 153256576Sadrian device_printf(sc->sc_dev, "%s: PHY4 - CPU\n", __func__); 154256576Sadrian arswitch_modifyreg(sc->sc_dev, AR934X_REG_OPER_MODE1, 155256576Sadrian AR934X_REG_OPER_MODE1_PHY4_MII_EN, 156256576Sadrian AR934X_REG_OPER_MODE1_PHY4_MII_EN); 157292248Sadrian sc->info.es_nports = 5; 158256576Sadrian } else { 159256576Sadrian device_printf(sc->sc_dev, "%s: PHY4 - Local\n", __func__); 160292248Sadrian sc->info.es_nports = 6; 161256576Sadrian } 162256576Sadrian 163256576Sadrian /* Settle time */ 164256576Sadrian DELAY(1000); 165256576Sadrian 166256576Sadrian return (0); 167256576Sadrian} 168256576Sadrian 169256576Sadrian/* 170256576Sadrian * The AR9340 switch probes (almost) the same as the AR7240 on-chip switch. 171256576Sadrian * 172256576Sadrian * However, the support is slightly different. 173256576Sadrian * 174256576Sadrian * So instead of checking the PHY revision or mask register contents, 175256576Sadrian * we simply fall back to a hint check. 176256576Sadrian */ 177256576Sadrianint 178256576Sadrianar9340_probe(device_t dev) 179256576Sadrian{ 180256576Sadrian int is_9340 = 0; 181256576Sadrian 182256576Sadrian if (resource_int_value(device_get_name(dev), device_get_unit(dev), 183256576Sadrian "is_9340", &is_9340) != 0) 184256576Sadrian return (ENXIO); 185256576Sadrian 186256576Sadrian if (is_9340 == 0) 187256576Sadrian return (ENXIO); 188256576Sadrian 189256576Sadrian return (0); 190256576Sadrian} 191256576Sadrian 192256576Sadrianvoid 193256576Sadrianar9340_attach(struct arswitch_softc *sc) 194256576Sadrian{ 195256576Sadrian 196256576Sadrian sc->hal.arswitch_hw_setup = ar9340_hw_setup; 197256576Sadrian sc->hal.arswitch_hw_global_setup = ar9340_hw_global_setup; 198256576Sadrian 199256576Sadrian /* Set the switch vlan capabilities. */ 200256576Sadrian sc->info.es_vlan_caps = ETHERSWITCH_VLAN_DOT1Q | 201256576Sadrian ETHERSWITCH_VLAN_PORT | ETHERSWITCH_VLAN_DOUBLE_TAG; 202256576Sadrian sc->info.es_nvlangroups = AR8X16_MAX_VLANS; 203256576Sadrian} 204