e1000phy.c revision 192710
1139749Simp/*- 275353Smjacob * Principal Author: Parag Patel 375353Smjacob * Copyright (c) 2001 475353Smjacob * All rights reserved. 575353Smjacob * 675353Smjacob * Redistribution and use in source and binary forms, with or without 775353Smjacob * modification, are permitted provided that the following conditions 875353Smjacob * are met: 975353Smjacob * 1. Redistributions of source code must retain the above copyright 1075353Smjacob * notice unmodified, this list of conditions, and the following 1175353Smjacob * disclaimer. 1275353Smjacob * 2. Redistributions in binary form must reproduce the above copyright 1375353Smjacob * notice, this list of conditions and the following disclaimer in the 1475353Smjacob * documentation and/or other materials provided with the distribution. 1575353Smjacob * 1675353Smjacob * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1775353Smjacob * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1875353Smjacob * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1975353Smjacob * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2075353Smjacob * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2175353Smjacob * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2275353Smjacob * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2375353Smjacob * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2475353Smjacob * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2575353Smjacob * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2675353Smjacob * SUCH DAMAGE. 2775353Smjacob * 2875353Smjacob * Additonal Copyright (c) 2001 by Traakan Software under same licence. 2975353Smjacob * Secondary Author: Matthew Jacob 3075353Smjacob */ 3175353Smjacob 32129843Smarius#include <sys/cdefs.h> 33129843Smarius__FBSDID("$FreeBSD: head/sys/dev/mii/e1000phy.c 192710 2009-05-25 01:56:19Z yongari $"); 34129843Smarius 3575353Smjacob/* 3675353Smjacob * driver for the Marvell 88E1000 series external 1000/100/10-BT PHY. 3775353Smjacob */ 3875353Smjacob 39120281Swilko/* 40120281Swilko * Support added for the Marvell 88E1011 (Alaska) 1000/100/10baseTX and 41120281Swilko * 1000baseSX PHY. 42120281Swilko * Nathan Binkert <nate@openbsd.org> 43120281Swilko * Jung-uk Kim <jkim@niksun.com> 44120281Swilko */ 45120281Swilko 4675353Smjacob#include <sys/param.h> 4775353Smjacob#include <sys/systm.h> 4875353Smjacob#include <sys/kernel.h> 49129876Sphk#include <sys/module.h> 5075353Smjacob#include <sys/socket.h> 5175353Smjacob#include <sys/bus.h> 5275353Smjacob 5375353Smjacob 5475353Smjacob#include <net/if.h> 5575353Smjacob#include <net/if_media.h> 5675353Smjacob 5775353Smjacob#include <dev/mii/mii.h> 5875353Smjacob#include <dev/mii/miivar.h> 59109514Sobrien#include "miidevs.h" 6075353Smjacob 6175353Smjacob#include <dev/mii/e1000phyreg.h> 6275353Smjacob 6375353Smjacob#include "miibus_if.h" 6475353Smjacob 65165095Syongaristatic int e1000phy_probe(device_t); 66165095Syongaristatic int e1000phy_attach(device_t); 6775353Smjacob 68165099Syongaristruct e1000phy_softc { 69165099Syongari struct mii_softc mii_sc; 70165099Syongari int mii_model; 71165099Syongari}; 72165099Syongari 7375353Smjacobstatic device_method_t e1000phy_methods[] = { 7475353Smjacob /* device interface */ 7575353Smjacob DEVMETHOD(device_probe, e1000phy_probe), 7675353Smjacob DEVMETHOD(device_attach, e1000phy_attach), 7795722Sphk DEVMETHOD(device_detach, mii_phy_detach), 7875353Smjacob DEVMETHOD(device_shutdown, bus_generic_shutdown), 7975353Smjacob { 0, 0 } 8075353Smjacob}; 8175353Smjacob 8275353Smjacobstatic devclass_t e1000phy_devclass; 8375353Smjacobstatic driver_t e1000phy_driver = { 84165099Syongari "e1000phy", 85165099Syongari e1000phy_methods, 86165099Syongari sizeof(struct e1000phy_softc) 8775353Smjacob}; 88165099Syongari 8975353SmjacobDRIVER_MODULE(e1000phy, miibus, e1000phy_driver, e1000phy_devclass, 0, 0); 9075353Smjacob 9184145Sjlemonstatic int e1000phy_service(struct mii_softc *, struct mii_data *, int); 9284145Sjlemonstatic void e1000phy_status(struct mii_softc *); 9384145Sjlemonstatic void e1000phy_reset(struct mii_softc *); 94165099Syongaristatic int e1000phy_mii_phy_auto(struct e1000phy_softc *); 9575353Smjacob 96165099Syongaristatic const struct mii_phydesc e1000phys[] = { 97165099Syongari MII_PHY_DESC(MARVELL, E1000), 98165099Syongari MII_PHY_DESC(MARVELL, E1011), 99165099Syongari MII_PHY_DESC(MARVELL, E1000_3), 100165099Syongari MII_PHY_DESC(MARVELL, E1000S), 101165099Syongari MII_PHY_DESC(MARVELL, E1000_5), 102165099Syongari MII_PHY_DESC(MARVELL, E1000_6), 103165099Syongari MII_PHY_DESC(MARVELL, E3082), 104165099Syongari MII_PHY_DESC(MARVELL, E1112), 105165099Syongari MII_PHY_DESC(MARVELL, E1149), 106165099Syongari MII_PHY_DESC(MARVELL, E1111), 107165099Syongari MII_PHY_DESC(MARVELL, E1116), 108182751Sraj MII_PHY_DESC(MARVELL, E1116R), 109165099Syongari MII_PHY_DESC(MARVELL, E1118), 110165099Syongari MII_PHY_DESC(xxMARVELL, E1000), 111165099Syongari MII_PHY_DESC(xxMARVELL, E1011), 112165099Syongari MII_PHY_DESC(xxMARVELL, E1000_3), 113165099Syongari MII_PHY_DESC(xxMARVELL, E1000_5), 114165099Syongari MII_PHY_DESC(xxMARVELL, E1111), 115165099Syongari MII_PHY_END 116165099Syongari}; 11775353Smjacob 11875353Smjacobstatic int 11975353Smjacobe1000phy_probe(device_t dev) 12075353Smjacob{ 12175353Smjacob 122165099Syongari return (mii_phy_dev_probe(dev, e1000phys, BUS_PROBE_DEFAULT)); 12375353Smjacob} 12475353Smjacob 12575353Smjacobstatic int 12675353Smjacobe1000phy_attach(device_t dev) 12775353Smjacob{ 128165099Syongari struct e1000phy_softc *esc; 12975353Smjacob struct mii_softc *sc; 13075353Smjacob struct mii_attach_args *ma; 13175353Smjacob struct mii_data *mii; 13275353Smjacob 133165099Syongari esc = device_get_softc(dev); 134165099Syongari sc = &esc->mii_sc; 13575353Smjacob ma = device_get_ivars(dev); 13675353Smjacob sc->mii_dev = device_get_parent(dev); 13775353Smjacob mii = device_get_softc(sc->mii_dev); 13875353Smjacob LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list); 13975353Smjacob 14075353Smjacob sc->mii_inst = mii->mii_instance; 14175353Smjacob sc->mii_phy = ma->mii_phyno; 14275353Smjacob sc->mii_service = e1000phy_service; 14375353Smjacob sc->mii_pdata = mii; 144165099Syongari mii->mii_instance++; 14575353Smjacob 146165099Syongari esc->mii_model = MII_MODEL(ma->mii_id2); 147165099Syongari switch (esc->mii_model) { 148165099Syongari case MII_MODEL_MARVELL_E1011: 149165099Syongari case MII_MODEL_MARVELL_E1112: 150165099Syongari if (PHY_READ(sc, E1000_ESSR) & E1000_ESSR_FIBER_LINK) 151165099Syongari sc->mii_flags |= MIIF_HAVEFIBER; 152165099Syongari break; 153183966Syongari case MII_MODEL_MARVELL_E1149: 154183966Syongari /* 155183966Syongari * Some 88E1149 PHY's page select is initialized to 156183966Syongari * point to other bank instead of copper/fiber bank 157183966Syongari * which in turn resulted in wrong registers were 158183966Syongari * accessed during PHY operation. It is believed that 159183966Syongari * page 0 should be used for copper PHY so reinitialize 160183966Syongari * E1000_EADR to select default copper PHY. If parent 161183966Syongari * device know the type of PHY(either copper or fiber), 162183966Syongari * that information should be used to select default 163183966Syongari * type of PHY. 164183966Syongari */ 165183966Syongari PHY_WRITE(sc, E1000_EADR, 0); 166183966Syongari break; 167165099Syongari } 168165099Syongari 16975353Smjacob e1000phy_reset(sc); 17075353Smjacob 171192708Syongari sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & ma->mii_capmask; 172192708Syongari if (sc->mii_capabilities & BMSR_EXTSTAT) 173192708Syongari sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR); 17484144Sjlemon device_printf(dev, " "); 175192708Syongari mii_phy_add_media(sc); 176192708Syongari printf("\n"); 17784144Sjlemon 17875353Smjacob MIIBUS_MEDIAINIT(sc->mii_dev); 179165095Syongari return (0); 18075353Smjacob} 18175353Smjacob 18275353Smjacobstatic void 18375353Smjacobe1000phy_reset(struct mii_softc *sc) 18475353Smjacob{ 185165099Syongari struct e1000phy_softc *esc; 186183493Syongari uint16_t reg, page; 18775353Smjacob 188165099Syongari esc = (struct e1000phy_softc *)sc; 18975353Smjacob reg = PHY_READ(sc, E1000_SCR); 190165099Syongari if ((sc->mii_flags & MIIF_HAVEFIBER) != 0) { 191165099Syongari reg &= ~E1000_SCR_AUTO_X_MODE; 192165099Syongari PHY_WRITE(sc, E1000_SCR, reg); 193165099Syongari if (esc->mii_model == MII_MODEL_MARVELL_E1112) { 194165099Syongari /* Select 1000BASE-X only mode. */ 195183493Syongari page = PHY_READ(sc, E1000_EADR); 196165099Syongari PHY_WRITE(sc, E1000_EADR, 2); 197165099Syongari reg = PHY_READ(sc, E1000_SCR); 198165099Syongari reg &= ~E1000_SCR_MODE_MASK; 199165099Syongari reg |= E1000_SCR_MODE_1000BX; 200165099Syongari PHY_WRITE(sc, E1000_SCR, reg); 201183493Syongari PHY_WRITE(sc, E1000_EADR, page); 202165099Syongari } 203165099Syongari } else { 204165099Syongari switch (esc->mii_model) { 205165099Syongari case MII_MODEL_MARVELL_E1111: 206165099Syongari case MII_MODEL_MARVELL_E1112: 207165099Syongari case MII_MODEL_MARVELL_E1116: 208165099Syongari case MII_MODEL_MARVELL_E1118: 209165099Syongari case MII_MODEL_MARVELL_E1149: 210165099Syongari /* Disable energy detect mode. */ 211165099Syongari reg &= ~E1000_SCR_EN_DETECT_MASK; 212165099Syongari reg |= E1000_SCR_AUTO_X_MODE; 213173133Syongari if (esc->mii_model == MII_MODEL_MARVELL_E1116) 214173133Syongari reg &= ~E1000_SCR_POWER_DOWN; 215165099Syongari break; 216165099Syongari case MII_MODEL_MARVELL_E3082: 217165099Syongari reg |= (E1000_SCR_AUTO_X_MODE >> 1); 218165099Syongari break; 219165099Syongari default: 220165099Syongari reg &= ~E1000_SCR_AUTO_X_MODE; 221165099Syongari break; 222165099Syongari } 223165099Syongari /* Enable CRS on TX. */ 224165099Syongari reg |= E1000_SCR_ASSERT_CRS_ON_TX; 225165099Syongari /* Auto correction for reversed cable polarity. */ 226165099Syongari reg &= ~E1000_SCR_POLARITY_REVERSAL; 227165099Syongari PHY_WRITE(sc, E1000_SCR, reg); 228173133Syongari 229173133Syongari if (esc->mii_model == MII_MODEL_MARVELL_E1116) { 230173133Syongari PHY_WRITE(sc, E1000_EADR, 2); 231173133Syongari reg = PHY_READ(sc, E1000_SCR); 232173133Syongari reg |= E1000_SCR_RGMII_POWER_UP; 233173133Syongari PHY_WRITE(sc, E1000_SCR, reg); 234173133Syongari PHY_WRITE(sc, E1000_EADR, 0); 235173133Syongari } 236165099Syongari } 23775353Smjacob 238165099Syongari switch (MII_MODEL(esc->mii_model)) { 239165099Syongari case MII_MODEL_MARVELL_E3082: 240165099Syongari case MII_MODEL_MARVELL_E1112: 241165099Syongari case MII_MODEL_MARVELL_E1116: 242165099Syongari case MII_MODEL_MARVELL_E1118: 243165099Syongari case MII_MODEL_MARVELL_E1149: 244165099Syongari break; 245165099Syongari default: 246165099Syongari /* Force TX_CLK to 25MHz clock. */ 247165099Syongari reg = PHY_READ(sc, E1000_ESCR); 248165099Syongari reg |= E1000_ESCR_TX_CLK_25; 249165099Syongari PHY_WRITE(sc, E1000_ESCR, reg); 250165099Syongari break; 251165099Syongari } 252165099Syongari 253165099Syongari /* Reset the PHY so all changes take effect. */ 25475353Smjacob reg = PHY_READ(sc, E1000_CR); 25575353Smjacob reg |= E1000_CR_RESET; 25675353Smjacob PHY_WRITE(sc, E1000_CR, reg); 25775353Smjacob} 25875353Smjacob 25984145Sjlemonstatic int 26075353Smjacobe1000phy_service(struct mii_softc *sc, struct mii_data *mii, int cmd) 26175353Smjacob{ 26275353Smjacob struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 263165099Syongari struct e1000phy_softc *esc = (struct e1000phy_softc *)sc; 264165099Syongari uint16_t speed, gig; 26575353Smjacob int reg; 26675353Smjacob 26775353Smjacob switch (cmd) { 26875353Smjacob case MII_POLLSTAT: 26975353Smjacob /* 27075353Smjacob * If we're not polling our PHY instance, just return. 27175353Smjacob */ 27275353Smjacob if (IFM_INST(ife->ifm_media) != sc->mii_inst) 27375353Smjacob return (0); 27475353Smjacob break; 27575353Smjacob 27675353Smjacob case MII_MEDIACHG: 27775353Smjacob /* 27875353Smjacob * If the media indicates a different PHY instance, 27975353Smjacob * isolate ourselves. 28075353Smjacob */ 28175353Smjacob if (IFM_INST(ife->ifm_media) != sc->mii_inst) { 28275353Smjacob reg = PHY_READ(sc, E1000_CR); 28375353Smjacob PHY_WRITE(sc, E1000_CR, reg | E1000_CR_ISOLATE); 28475353Smjacob return (0); 28575353Smjacob } 28675353Smjacob 28775353Smjacob /* 28875353Smjacob * If the interface is not up, don't do anything. 28975353Smjacob */ 290165095Syongari if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 29175353Smjacob break; 29275353Smjacob 293165099Syongari if (IFM_SUBTYPE(ife->ifm_media) == IFM_AUTO) { 294165099Syongari e1000phy_mii_phy_auto(esc); 29575353Smjacob break; 296165099Syongari } 29775353Smjacob 298165099Syongari speed = 0; 299165099Syongari switch (IFM_SUBTYPE(ife->ifm_media)) { 30095673Sphk case IFM_1000_T: 301192708Syongari if ((sc->mii_extcapabilities & 302192708Syongari (EXTSR_1000TFDX | EXTSR_1000THDX)) == 0) 303165099Syongari return (EINVAL); 304165099Syongari speed = E1000_CR_SPEED_1000; 30575353Smjacob break; 306120281Swilko case IFM_1000_SX: 307192708Syongari if ((sc->mii_extcapabilities & 308192708Syongari (EXTSR_1000XFDX | EXTSR_1000XHDX)) == 0) 309165099Syongari return (EINVAL); 310165099Syongari speed = E1000_CR_SPEED_1000; 311120281Swilko break; 31275353Smjacob case IFM_100_TX: 313165099Syongari speed = E1000_CR_SPEED_100; 31475353Smjacob break; 31575353Smjacob case IFM_10_T: 316165099Syongari speed = E1000_CR_SPEED_10; 31775353Smjacob break; 318165099Syongari case IFM_NONE: 319165099Syongari reg = PHY_READ(sc, E1000_CR); 320165099Syongari PHY_WRITE(sc, E1000_CR, 321165099Syongari reg | E1000_CR_ISOLATE | E1000_CR_POWER_DOWN); 322165099Syongari goto done; 32375353Smjacob default: 32475353Smjacob return (EINVAL); 32575353Smjacob } 32675353Smjacob 327165099Syongari if (((ife->ifm_media & IFM_GMASK) & IFM_FDX) != 0) { 328165099Syongari speed |= E1000_CR_FULL_DUPLEX; 329165099Syongari gig = E1000_1GCR_1000T_FD; 330165099Syongari } else 331165099Syongari gig = E1000_1GCR_1000T; 332165099Syongari 333165099Syongari reg = PHY_READ(sc, E1000_CR); 334165099Syongari reg &= ~E1000_CR_AUTO_NEG_ENABLE; 335165099Syongari PHY_WRITE(sc, E1000_CR, reg | E1000_CR_RESET); 336165099Syongari 337165099Syongari /* 338165099Syongari * When setting the link manually, one side must 339165099Syongari * be the master and the other the slave. However 340165099Syongari * ifmedia doesn't give us a good way to specify 341165099Syongari * this, so we fake it by using one of the LINK 342165099Syongari * flags. If LINK0 is set, we program the PHY to 343165099Syongari * be a master, otherwise it's a slave. 344165099Syongari */ 345165099Syongari if (IFM_SUBTYPE(ife->ifm_media) == IFM_1000_T || 346165099Syongari (IFM_SUBTYPE(ife->ifm_media) == IFM_1000_SX)) { 347165099Syongari if ((mii->mii_ifp->if_flags & IFF_LINK0)) 348165099Syongari PHY_WRITE(sc, E1000_1GCR, gig | 349165099Syongari E1000_1GCR_MS_ENABLE | E1000_1GCR_MS_VALUE); 350165099Syongari else 351165099Syongari PHY_WRITE(sc, E1000_1GCR, gig | 352165099Syongari E1000_1GCR_MS_ENABLE); 353165099Syongari } else { 354192708Syongari if ((sc->mii_extcapabilities & 355192708Syongari (EXTSR_1000TFDX | EXTSR_1000THDX)) != 0) 356165099Syongari PHY_WRITE(sc, E1000_1GCR, 0); 357165099Syongari } 358165099Syongari PHY_WRITE(sc, E1000_AR, E1000_AR_SELECTOR_FIELD); 359165099Syongari PHY_WRITE(sc, E1000_CR, speed | E1000_CR_RESET); 360165099Syongaridone: 36175353Smjacob break; 36275353Smjacob case MII_TICK: 36375353Smjacob /* 36475353Smjacob * If we're not currently selected, just return. 36575353Smjacob */ 366165099Syongari if (IFM_INST(ife->ifm_media) != sc->mii_inst) 36775353Smjacob return (0); 36875353Smjacob 36975353Smjacob /* 37084145Sjlemon * Is the interface even up? 37175353Smjacob */ 37284145Sjlemon if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 37375353Smjacob return (0); 37475353Smjacob 37575353Smjacob /* 37684145Sjlemon * Only used for autonegotiation. 37775353Smjacob */ 378173667Syongari if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) { 379173667Syongari sc->mii_ticks = 0; 38084145Sjlemon break; 381173667Syongari } 38275353Smjacob 38375353Smjacob /* 38484145Sjlemon * check for link. 38584145Sjlemon * Read the status register twice; BMSR_LINK is latch-low. 38675353Smjacob */ 38784145Sjlemon reg = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR); 388165099Syongari if (reg & BMSR_LINK) { 389165099Syongari sc->mii_ticks = 0; 39084145Sjlemon break; 391165099Syongari } 39275353Smjacob 393165099Syongari /* Announce link loss right after it happens. */ 394173667Syongari if (sc->mii_ticks++ == 0) 395173667Syongari break; 396165099Syongari if (sc->mii_ticks <= sc->mii_anegticks) 397192709Syongari break; 39875353Smjacob 39984145Sjlemon sc->mii_ticks = 0; 40075353Smjacob e1000phy_reset(sc); 401165099Syongari e1000phy_mii_phy_auto(esc); 402165099Syongari break; 40375353Smjacob } 40475353Smjacob 40575353Smjacob /* Update the media status. */ 40675353Smjacob e1000phy_status(sc); 40775353Smjacob 40875353Smjacob /* Callback if something changed. */ 40984145Sjlemon mii_phy_update(sc, cmd); 41075353Smjacob return (0); 41175353Smjacob} 41275353Smjacob 41384145Sjlemonstatic void 41475353Smjacobe1000phy_status(struct mii_softc *sc) 41575353Smjacob{ 41675353Smjacob struct mii_data *mii = sc->mii_pdata; 417192710Syongari int bmcr, bmsr, gsr, ssr, ar, lpar; 41875353Smjacob 41975353Smjacob mii->mii_media_status = IFM_AVALID; 42075353Smjacob mii->mii_media_active = IFM_ETHER; 42175353Smjacob 42275353Smjacob bmsr = PHY_READ(sc, E1000_SR) | PHY_READ(sc, E1000_SR); 42375353Smjacob bmcr = PHY_READ(sc, E1000_CR); 42475353Smjacob ssr = PHY_READ(sc, E1000_SSR); 42575353Smjacob 42675353Smjacob if (bmsr & E1000_SR_LINK_STATUS) 42775353Smjacob mii->mii_media_status |= IFM_ACTIVE; 42875353Smjacob 42975353Smjacob if (bmcr & E1000_CR_LOOPBACK) 43075353Smjacob mii->mii_media_active |= IFM_LOOP; 43175353Smjacob 432192710Syongari if ((bmcr & E1000_CR_AUTO_NEG_ENABLE) != 0 && 433192710Syongari (ssr & E1000_SSR_SPD_DPLX_RESOLVED) == 0) { 43475353Smjacob /* Erg, still trying, I guess... */ 43575353Smjacob mii->mii_media_active |= IFM_NONE; 43675353Smjacob return; 43775353Smjacob } 43875353Smjacob 439120281Swilko if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) { 440192710Syongari switch (ssr & E1000_SSR_SPEED) { 441192710Syongari case E1000_SSR_1000MBS: 442120281Swilko mii->mii_media_active |= IFM_1000_T; 443192710Syongari break; 444192710Syongari case E1000_SSR_100MBS: 445120281Swilko mii->mii_media_active |= IFM_100_TX; 446192710Syongari break; 447192710Syongari case E1000_SSR_10MBS: 448120281Swilko mii->mii_media_active |= IFM_10_T; 449192710Syongari break; 450192710Syongari default: 451192710Syongari mii->mii_media_active |= IFM_NONE; 452192710Syongari return; 453192710Syongari } 454120281Swilko } else { 455120281Swilko if (ssr & E1000_SSR_1000MBS) 456120281Swilko mii->mii_media_active |= IFM_1000_SX; 457120281Swilko } 45875353Smjacob 45975353Smjacob if (ssr & E1000_SSR_DUPLEX) 46075353Smjacob mii->mii_media_active |= IFM_FDX; 46175353Smjacob else 46275353Smjacob mii->mii_media_active |= IFM_HDX; 46375353Smjacob 464120281Swilko if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) { 465192710Syongari ar = PHY_READ(sc, E1000_AR); 466192710Syongari lpar = PHY_READ(sc, E1000_LPAR); 467120281Swilko /* FLAG0==rx-flow-control FLAG1==tx-flow-control */ 468120281Swilko if ((ar & E1000_AR_PAUSE) && (lpar & E1000_LPAR_PAUSE)) { 469120281Swilko mii->mii_media_active |= IFM_FLAG0 | IFM_FLAG1; 470120281Swilko } else if (!(ar & E1000_AR_PAUSE) && (ar & E1000_AR_ASM_DIR) && 471120281Swilko (lpar & E1000_LPAR_PAUSE) && (lpar & E1000_LPAR_ASM_DIR)) { 472120281Swilko mii->mii_media_active |= IFM_FLAG1; 473120281Swilko } else if ((ar & E1000_AR_PAUSE) && (ar & E1000_AR_ASM_DIR) && 474120281Swilko !(lpar & E1000_LPAR_PAUSE) && (lpar & E1000_LPAR_ASM_DIR)) { 475120281Swilko mii->mii_media_active |= IFM_FLAG0; 476120281Swilko } 47775353Smjacob } 478165099Syongari 479165099Syongari /* FLAG2 : local PHY resolved to MASTER */ 480165099Syongari if ((IFM_SUBTYPE(mii->mii_media_active) == IFM_1000_T) || 481165099Syongari (IFM_SUBTYPE(mii->mii_media_active) == IFM_1000_SX)) { 482165099Syongari PHY_READ(sc, E1000_1GSR); 483165099Syongari gsr = PHY_READ(sc, E1000_1GSR); 484165099Syongari if ((gsr & E1000_1GSR_MS_CONFIG_RES) != 0) 485165099Syongari mii->mii_media_active |= IFM_FLAG2; 486165099Syongari } 48775353Smjacob} 48875353Smjacob 48975353Smjacobstatic int 490165099Syongarie1000phy_mii_phy_auto(struct e1000phy_softc *esc) 49175353Smjacob{ 492165099Syongari struct mii_softc *sc; 49375353Smjacob 494165099Syongari sc = &esc->mii_sc; 495165099Syongari if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) 496165099Syongari PHY_WRITE(sc, E1000_AR, E1000_AR_10T | E1000_AR_10T_FD | 497165099Syongari E1000_AR_100TX | E1000_AR_100TX_FD | 498120281Swilko E1000_AR_PAUSE | E1000_AR_ASM_DIR); 499165099Syongari else 500165099Syongari PHY_WRITE(sc, E1000_AR, E1000_FA_1000X_FD | E1000_FA_1000X | 501165099Syongari E1000_FA_SYM_PAUSE | E1000_FA_ASYM_PAUSE); 502192708Syongari if ((sc->mii_extcapabilities & (EXTSR_1000TFDX | EXTSR_1000THDX)) != 0) 503165099Syongari PHY_WRITE(sc, E1000_1GCR, 504165099Syongari E1000_1GCR_1000T_FD | E1000_1GCR_1000T); 505165099Syongari PHY_WRITE(sc, E1000_CR, 506165099Syongari E1000_CR_AUTO_NEG_ENABLE | E1000_CR_RESTART_AUTO_NEG); 50775353Smjacob 50875353Smjacob return (EJUSTRETURN); 50975353Smjacob} 510