e1000phy.c revision 173667
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 173667 2007-11-16 10:39:18Z 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), 108165099Syongari MII_PHY_DESC(MARVELL, E1118), 109165099Syongari MII_PHY_DESC(xxMARVELL, E1000), 110165099Syongari MII_PHY_DESC(xxMARVELL, E1011), 111165099Syongari MII_PHY_DESC(xxMARVELL, E1000_3), 112165099Syongari MII_PHY_DESC(xxMARVELL, E1000_5), 113165099Syongari MII_PHY_DESC(xxMARVELL, E1111), 114165099Syongari MII_PHY_END 115165099Syongari}; 11675353Smjacob 11775353Smjacobstatic int 11875353Smjacobe1000phy_probe(device_t dev) 11975353Smjacob{ 12075353Smjacob 121165099Syongari return (mii_phy_dev_probe(dev, e1000phys, BUS_PROBE_DEFAULT)); 12275353Smjacob} 12375353Smjacob 12475353Smjacobstatic int 12575353Smjacobe1000phy_attach(device_t dev) 12675353Smjacob{ 127165099Syongari struct e1000phy_softc *esc; 12875353Smjacob struct mii_softc *sc; 12975353Smjacob struct mii_attach_args *ma; 13075353Smjacob struct mii_data *mii; 131165099Syongari int fast_ether; 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 sc->mii_anegticks = MII_ANEGTICKS_GIGE; 145165099Syongari mii->mii_instance++; 14675353Smjacob 147165099Syongari fast_ether = 0; 148165099Syongari esc->mii_model = MII_MODEL(ma->mii_id2); 149165099Syongari switch (esc->mii_model) { 150165099Syongari case MII_MODEL_MARVELL_E1011: 151165099Syongari case MII_MODEL_MARVELL_E1112: 152165099Syongari if (PHY_READ(sc, E1000_ESSR) & E1000_ESSR_FIBER_LINK) 153165099Syongari sc->mii_flags |= MIIF_HAVEFIBER; 154165099Syongari break; 155165099Syongari case MII_MODEL_MARVELL_E3082: 156165099Syongari /* 88E3082 10/100 Fast Ethernet PHY. */ 157165099Syongari sc->mii_anegticks = MII_ANEGTICKS; 158165099Syongari fast_ether = 1; 159165099Syongari break; 160165099Syongari } 161165099Syongari 16275353Smjacob e1000phy_reset(sc); 16375353Smjacob 16484144Sjlemon device_printf(dev, " "); 16584144Sjlemon 16675353Smjacob#define ADD(m, c) ifmedia_add(&mii->mii_media, (m), (c), NULL) 167165099Syongari ADD(IFM_MAKEWORD(IFM_ETHER, IFM_NONE, 0, sc->mii_inst), 168165099Syongari E1000_CR_ISOLATE); 169120281Swilko if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) { 170120281Swilko ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, sc->mii_inst), 171120281Swilko E1000_CR_SPEED_10); 172120281Swilko printf("10baseT, "); 173120281Swilko ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, sc->mii_inst), 174120281Swilko E1000_CR_SPEED_10 | E1000_CR_FULL_DUPLEX); 175120281Swilko printf("10baseT-FDX, "); 176120281Swilko ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, sc->mii_inst), 177120281Swilko E1000_CR_SPEED_100); 178120281Swilko printf("100baseTX, "); 179120281Swilko ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, sc->mii_inst), 180120281Swilko E1000_CR_SPEED_100 | E1000_CR_FULL_DUPLEX); 181120281Swilko printf("100baseTX-FDX, "); 182165099Syongari if (fast_ether == 0) { 183165099Syongari /* 184165099Syongari * 1000BT-simplex not supported; driver must ignore 185165099Syongari * this entry, but it must be present in order to 186165099Syongari * manually set full-duplex. 187165099Syongari */ 188165099Syongari ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_T, 0, 189165099Syongari sc->mii_inst), E1000_CR_SPEED_1000); 190165099Syongari ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_T, IFM_FDX, 191165099Syongari sc->mii_inst), 192165099Syongari E1000_CR_SPEED_1000 | E1000_CR_FULL_DUPLEX); 193165099Syongari printf("1000baseTX-FDX, "); 194165099Syongari } 195120281Swilko } else { 196120281Swilko ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_SX, IFM_FDX, sc->mii_inst), 197120281Swilko E1000_CR_SPEED_1000 | E1000_CR_FULL_DUPLEX); 198120281Swilko printf("1000baseSX-FDX, "); 199120281Swilko } 20075353Smjacob ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, sc->mii_inst), 0); 20184144Sjlemon printf("auto\n"); 20275353Smjacob#undef ADD 20375353Smjacob 20475353Smjacob MIIBUS_MEDIAINIT(sc->mii_dev); 205165095Syongari return (0); 20675353Smjacob} 20775353Smjacob 20875353Smjacobstatic void 20975353Smjacobe1000phy_reset(struct mii_softc *sc) 21075353Smjacob{ 211165099Syongari struct e1000phy_softc *esc; 212165099Syongari uint16_t reg; 21375353Smjacob 214165099Syongari esc = (struct e1000phy_softc *)sc; 21575353Smjacob reg = PHY_READ(sc, E1000_SCR); 216165099Syongari if ((sc->mii_flags & MIIF_HAVEFIBER) != 0) { 217165099Syongari reg &= ~E1000_SCR_AUTO_X_MODE; 218165099Syongari PHY_WRITE(sc, E1000_SCR, reg); 219165099Syongari if (esc->mii_model == MII_MODEL_MARVELL_E1112) { 220165099Syongari /* Select 1000BASE-X only mode. */ 221165099Syongari PHY_WRITE(sc, E1000_EADR, 2); 222165099Syongari reg = PHY_READ(sc, E1000_SCR); 223165099Syongari reg &= ~E1000_SCR_MODE_MASK; 224165099Syongari reg |= E1000_SCR_MODE_1000BX; 225165099Syongari PHY_WRITE(sc, E1000_SCR, reg); 226165099Syongari PHY_WRITE(sc, E1000_EADR, 1); 227165099Syongari } 228165099Syongari } else { 229165099Syongari switch (esc->mii_model) { 230165099Syongari case MII_MODEL_MARVELL_E1111: 231165099Syongari case MII_MODEL_MARVELL_E1112: 232165099Syongari case MII_MODEL_MARVELL_E1116: 233165099Syongari case MII_MODEL_MARVELL_E1118: 234165099Syongari case MII_MODEL_MARVELL_E1149: 235165099Syongari /* Disable energy detect mode. */ 236165099Syongari reg &= ~E1000_SCR_EN_DETECT_MASK; 237165099Syongari reg |= E1000_SCR_AUTO_X_MODE; 238173133Syongari if (esc->mii_model == MII_MODEL_MARVELL_E1116) 239173133Syongari reg &= ~E1000_SCR_POWER_DOWN; 240165099Syongari break; 241165099Syongari case MII_MODEL_MARVELL_E3082: 242165099Syongari reg |= (E1000_SCR_AUTO_X_MODE >> 1); 243165099Syongari break; 244165099Syongari default: 245165099Syongari reg &= ~E1000_SCR_AUTO_X_MODE; 246165099Syongari break; 247165099Syongari } 248165099Syongari /* Enable CRS on TX. */ 249165099Syongari reg |= E1000_SCR_ASSERT_CRS_ON_TX; 250165099Syongari /* Auto correction for reversed cable polarity. */ 251165099Syongari reg &= ~E1000_SCR_POLARITY_REVERSAL; 252165099Syongari PHY_WRITE(sc, E1000_SCR, reg); 253173133Syongari 254173133Syongari if (esc->mii_model == MII_MODEL_MARVELL_E1116) { 255173133Syongari PHY_WRITE(sc, E1000_EADR, 2); 256173133Syongari reg = PHY_READ(sc, E1000_SCR); 257173133Syongari reg |= E1000_SCR_RGMII_POWER_UP; 258173133Syongari PHY_WRITE(sc, E1000_SCR, reg); 259173133Syongari PHY_WRITE(sc, E1000_EADR, 0); 260173133Syongari } 261165099Syongari } 26275353Smjacob 263165099Syongari switch (MII_MODEL(esc->mii_model)) { 264165099Syongari case MII_MODEL_MARVELL_E3082: 265165099Syongari case MII_MODEL_MARVELL_E1112: 266165099Syongari case MII_MODEL_MARVELL_E1116: 267165099Syongari case MII_MODEL_MARVELL_E1118: 268165099Syongari case MII_MODEL_MARVELL_E1149: 269165099Syongari break; 270165099Syongari default: 271165099Syongari /* Force TX_CLK to 25MHz clock. */ 272165099Syongari reg = PHY_READ(sc, E1000_ESCR); 273165099Syongari reg |= E1000_ESCR_TX_CLK_25; 274165099Syongari PHY_WRITE(sc, E1000_ESCR, reg); 275165099Syongari break; 276165099Syongari } 277165099Syongari 278165099Syongari /* Reset the PHY so all changes take effect. */ 27975353Smjacob reg = PHY_READ(sc, E1000_CR); 28075353Smjacob reg |= E1000_CR_RESET; 28175353Smjacob PHY_WRITE(sc, E1000_CR, reg); 28275353Smjacob} 28375353Smjacob 28484145Sjlemonstatic int 28575353Smjacobe1000phy_service(struct mii_softc *sc, struct mii_data *mii, int cmd) 28675353Smjacob{ 28775353Smjacob struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 288165099Syongari struct e1000phy_softc *esc = (struct e1000phy_softc *)sc; 289165099Syongari uint16_t speed, gig; 29075353Smjacob int reg; 29175353Smjacob 29275353Smjacob switch (cmd) { 29375353Smjacob case MII_POLLSTAT: 29475353Smjacob /* 29575353Smjacob * If we're not polling our PHY instance, just return. 29675353Smjacob */ 29775353Smjacob if (IFM_INST(ife->ifm_media) != sc->mii_inst) 29875353Smjacob return (0); 29975353Smjacob break; 30075353Smjacob 30175353Smjacob case MII_MEDIACHG: 30275353Smjacob /* 30375353Smjacob * If the media indicates a different PHY instance, 30475353Smjacob * isolate ourselves. 30575353Smjacob */ 30675353Smjacob if (IFM_INST(ife->ifm_media) != sc->mii_inst) { 30775353Smjacob reg = PHY_READ(sc, E1000_CR); 30875353Smjacob PHY_WRITE(sc, E1000_CR, reg | E1000_CR_ISOLATE); 30975353Smjacob return (0); 31075353Smjacob } 31175353Smjacob 31275353Smjacob /* 31375353Smjacob * If the interface is not up, don't do anything. 31475353Smjacob */ 315165095Syongari if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 31675353Smjacob break; 31775353Smjacob 318165099Syongari if (IFM_SUBTYPE(ife->ifm_media) == IFM_AUTO) { 319165099Syongari e1000phy_mii_phy_auto(esc); 32075353Smjacob break; 321165099Syongari } 32275353Smjacob 323165099Syongari speed = 0; 324165099Syongari switch (IFM_SUBTYPE(ife->ifm_media)) { 32595673Sphk case IFM_1000_T: 326165099Syongari if (esc->mii_model == MII_MODEL_MARVELL_E3082) 327165099Syongari return (EINVAL); 328165099Syongari speed = E1000_CR_SPEED_1000; 32975353Smjacob break; 330120281Swilko case IFM_1000_SX: 331165099Syongari if (esc->mii_model == MII_MODEL_MARVELL_E3082) 332165099Syongari return (EINVAL); 333165099Syongari speed = E1000_CR_SPEED_1000; 334120281Swilko break; 33575353Smjacob case IFM_100_TX: 336165099Syongari speed = E1000_CR_SPEED_100; 33775353Smjacob break; 33875353Smjacob case IFM_10_T: 339165099Syongari speed = E1000_CR_SPEED_10; 34075353Smjacob break; 341165099Syongari case IFM_NONE: 342165099Syongari reg = PHY_READ(sc, E1000_CR); 343165099Syongari PHY_WRITE(sc, E1000_CR, 344165099Syongari reg | E1000_CR_ISOLATE | E1000_CR_POWER_DOWN); 345165099Syongari goto done; 34675353Smjacob default: 34775353Smjacob return (EINVAL); 34875353Smjacob } 34975353Smjacob 350165099Syongari if (((ife->ifm_media & IFM_GMASK) & IFM_FDX) != 0) { 351165099Syongari speed |= E1000_CR_FULL_DUPLEX; 352165099Syongari gig = E1000_1GCR_1000T_FD; 353165099Syongari } else 354165099Syongari gig = E1000_1GCR_1000T; 355165099Syongari 356165099Syongari reg = PHY_READ(sc, E1000_CR); 357165099Syongari reg &= ~E1000_CR_AUTO_NEG_ENABLE; 358165099Syongari PHY_WRITE(sc, E1000_CR, reg | E1000_CR_RESET); 359165099Syongari 360165099Syongari /* 361165099Syongari * When setting the link manually, one side must 362165099Syongari * be the master and the other the slave. However 363165099Syongari * ifmedia doesn't give us a good way to specify 364165099Syongari * this, so we fake it by using one of the LINK 365165099Syongari * flags. If LINK0 is set, we program the PHY to 366165099Syongari * be a master, otherwise it's a slave. 367165099Syongari */ 368165099Syongari if (IFM_SUBTYPE(ife->ifm_media) == IFM_1000_T || 369165099Syongari (IFM_SUBTYPE(ife->ifm_media) == IFM_1000_SX)) { 370165099Syongari if ((mii->mii_ifp->if_flags & IFF_LINK0)) 371165099Syongari PHY_WRITE(sc, E1000_1GCR, gig | 372165099Syongari E1000_1GCR_MS_ENABLE | E1000_1GCR_MS_VALUE); 373165099Syongari else 374165099Syongari PHY_WRITE(sc, E1000_1GCR, gig | 375165099Syongari E1000_1GCR_MS_ENABLE); 376165099Syongari } else { 377165099Syongari if (esc->mii_model != MII_MODEL_MARVELL_E3082) 378165099Syongari PHY_WRITE(sc, E1000_1GCR, 0); 379165099Syongari } 380165099Syongari PHY_WRITE(sc, E1000_AR, E1000_AR_SELECTOR_FIELD); 381165099Syongari PHY_WRITE(sc, E1000_CR, speed | E1000_CR_RESET); 382165099Syongaridone: 38375353Smjacob break; 38475353Smjacob case MII_TICK: 38575353Smjacob /* 38675353Smjacob * If we're not currently selected, just return. 38775353Smjacob */ 388165099Syongari if (IFM_INST(ife->ifm_media) != sc->mii_inst) 38975353Smjacob return (0); 39075353Smjacob 39175353Smjacob /* 39284145Sjlemon * Is the interface even up? 39375353Smjacob */ 39484145Sjlemon if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 39575353Smjacob return (0); 39675353Smjacob 39775353Smjacob /* 39884145Sjlemon * Only used for autonegotiation. 39975353Smjacob */ 400173667Syongari if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) { 401173667Syongari sc->mii_ticks = 0; 40284145Sjlemon break; 403173667Syongari } 40475353Smjacob 40575353Smjacob /* 40684145Sjlemon * check for link. 40784145Sjlemon * Read the status register twice; BMSR_LINK is latch-low. 40875353Smjacob */ 40984145Sjlemon reg = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR); 410165099Syongari if (reg & BMSR_LINK) { 411165099Syongari sc->mii_ticks = 0; 41284145Sjlemon break; 413165099Syongari } 41475353Smjacob 415165099Syongari /* Announce link loss right after it happens. */ 416173667Syongari if (sc->mii_ticks++ == 0) 417173667Syongari break; 418165099Syongari if (sc->mii_ticks <= sc->mii_anegticks) 419165099Syongari return (0); 42075353Smjacob 42184145Sjlemon sc->mii_ticks = 0; 42275353Smjacob e1000phy_reset(sc); 423165099Syongari e1000phy_mii_phy_auto(esc); 424165099Syongari break; 42575353Smjacob } 42675353Smjacob 42775353Smjacob /* Update the media status. */ 42875353Smjacob e1000phy_status(sc); 42975353Smjacob 43075353Smjacob /* Callback if something changed. */ 43184145Sjlemon mii_phy_update(sc, cmd); 43275353Smjacob return (0); 43375353Smjacob} 43475353Smjacob 43584145Sjlemonstatic void 43675353Smjacobe1000phy_status(struct mii_softc *sc) 43775353Smjacob{ 43875353Smjacob struct mii_data *mii = sc->mii_pdata; 439165099Syongari int bmsr, bmcr, esr, gsr, ssr, isr, ar, lpar; 44075353Smjacob 44175353Smjacob mii->mii_media_status = IFM_AVALID; 44275353Smjacob mii->mii_media_active = IFM_ETHER; 44375353Smjacob 44475353Smjacob bmsr = PHY_READ(sc, E1000_SR) | PHY_READ(sc, E1000_SR); 44575353Smjacob esr = PHY_READ(sc, E1000_ESR); 44675353Smjacob bmcr = PHY_READ(sc, E1000_CR); 44775353Smjacob ssr = PHY_READ(sc, E1000_SSR); 44875353Smjacob isr = PHY_READ(sc, E1000_ISR); 44975353Smjacob ar = PHY_READ(sc, E1000_AR); 45075353Smjacob lpar = PHY_READ(sc, E1000_LPAR); 45175353Smjacob 45275353Smjacob if (bmsr & E1000_SR_LINK_STATUS) 45375353Smjacob mii->mii_media_status |= IFM_ACTIVE; 45475353Smjacob 45575353Smjacob if (bmcr & E1000_CR_LOOPBACK) 45675353Smjacob mii->mii_media_active |= IFM_LOOP; 45775353Smjacob 458165099Syongari if ((((bmcr & E1000_CR_AUTO_NEG_ENABLE) != 0) && 459165099Syongari ((bmsr & E1000_SR_AUTO_NEG_COMPLETE) == 0)) || 460165099Syongari ((ssr & E1000_SSR_LINK) == 0) || 461165099Syongari ((ssr & E1000_SSR_SPD_DPLX_RESOLVED) == 0)) { 46275353Smjacob /* Erg, still trying, I guess... */ 46375353Smjacob mii->mii_media_active |= IFM_NONE; 46475353Smjacob return; 46575353Smjacob } 46675353Smjacob 467120281Swilko if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) { 468120281Swilko if (ssr & E1000_SSR_1000MBS) 469120281Swilko mii->mii_media_active |= IFM_1000_T; 470120281Swilko else if (ssr & E1000_SSR_100MBS) 471120281Swilko mii->mii_media_active |= IFM_100_TX; 472120281Swilko else 473120281Swilko mii->mii_media_active |= IFM_10_T; 474120281Swilko } else { 475120281Swilko if (ssr & E1000_SSR_1000MBS) 476120281Swilko mii->mii_media_active |= IFM_1000_SX; 477120281Swilko } 47875353Smjacob 47975353Smjacob if (ssr & E1000_SSR_DUPLEX) 48075353Smjacob mii->mii_media_active |= IFM_FDX; 48175353Smjacob else 48275353Smjacob mii->mii_media_active |= IFM_HDX; 48375353Smjacob 484120281Swilko if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) { 485120281Swilko /* FLAG0==rx-flow-control FLAG1==tx-flow-control */ 486120281Swilko if ((ar & E1000_AR_PAUSE) && (lpar & E1000_LPAR_PAUSE)) { 487120281Swilko mii->mii_media_active |= IFM_FLAG0 | IFM_FLAG1; 488120281Swilko } else if (!(ar & E1000_AR_PAUSE) && (ar & E1000_AR_ASM_DIR) && 489120281Swilko (lpar & E1000_LPAR_PAUSE) && (lpar & E1000_LPAR_ASM_DIR)) { 490120281Swilko mii->mii_media_active |= IFM_FLAG1; 491120281Swilko } else if ((ar & E1000_AR_PAUSE) && (ar & E1000_AR_ASM_DIR) && 492120281Swilko !(lpar & E1000_LPAR_PAUSE) && (lpar & E1000_LPAR_ASM_DIR)) { 493120281Swilko mii->mii_media_active |= IFM_FLAG0; 494120281Swilko } 49575353Smjacob } 496165099Syongari 497165099Syongari /* FLAG2 : local PHY resolved to MASTER */ 498165099Syongari if ((IFM_SUBTYPE(mii->mii_media_active) == IFM_1000_T) || 499165099Syongari (IFM_SUBTYPE(mii->mii_media_active) == IFM_1000_SX)) { 500165099Syongari PHY_READ(sc, E1000_1GSR); 501165099Syongari gsr = PHY_READ(sc, E1000_1GSR); 502165099Syongari if ((gsr & E1000_1GSR_MS_CONFIG_RES) != 0) 503165099Syongari mii->mii_media_active |= IFM_FLAG2; 504165099Syongari } 50575353Smjacob} 50675353Smjacob 50775353Smjacobstatic int 508165099Syongarie1000phy_mii_phy_auto(struct e1000phy_softc *esc) 50975353Smjacob{ 510165099Syongari struct mii_softc *sc; 51175353Smjacob 512165099Syongari sc = &esc->mii_sc; 513165099Syongari if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) 514165099Syongari PHY_WRITE(sc, E1000_AR, E1000_AR_10T | E1000_AR_10T_FD | 515165099Syongari E1000_AR_100TX | E1000_AR_100TX_FD | 516120281Swilko E1000_AR_PAUSE | E1000_AR_ASM_DIR); 517165099Syongari else 518165099Syongari PHY_WRITE(sc, E1000_AR, E1000_FA_1000X_FD | E1000_FA_1000X | 519165099Syongari E1000_FA_SYM_PAUSE | E1000_FA_ASYM_PAUSE); 520165099Syongari if (esc->mii_model != MII_MODEL_MARVELL_E3082) 521165099Syongari PHY_WRITE(sc, E1000_1GCR, 522165099Syongari E1000_1GCR_1000T_FD | E1000_1GCR_1000T); 523165099Syongari PHY_WRITE(sc, E1000_CR, 524165099Syongari E1000_CR_AUTO_NEG_ENABLE | E1000_CR_RESTART_AUTO_NEG); 52575353Smjacob 52675353Smjacob return (EJUSTRETURN); 52775353Smjacob} 528