/* $NetBSD: makphy.c,v 1.42.8.6 2022/01/29 16:56:18 martin Exp $ */ /*- * Copyright (c) 1998, 1999, 2000, 2001 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, * NASA Ames Research Center. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * Copyright (c) 1997 Manuel Bouyer. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * Driver for the Marvell 88E1000 ``Alaska'' 10/100/1000 PHY. */ #include __KERNEL_RCSID(0, "$NetBSD: makphy.c,v 1.42.8.6 2022/01/29 16:56:18 martin Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include static int makphymatch(device_t, cfdata_t, void *); static void makphyattach(device_t, device_t, void *); CFATTACH_DECL_NEW(makphy, sizeof(struct makphy_softc), makphymatch, makphyattach, mii_phy_detach, mii_phy_activate); static int makphy_service(struct mii_softc *, struct mii_data *, int); static void makphy_status(struct mii_softc *); static void makphy_reset(struct mii_softc *); static const struct mii_phy_funcs makphy_funcs = { makphy_service, makphy_status, makphy_reset, }; static const struct mii_phydesc makphys[] = { { MII_OUI_MARVELL, MII_MODEL_MARVELL_E1000_0, MII_STR_MARVELL_E1000_0 }, { MII_OUI_MARVELL, MII_MODEL_MARVELL_E1000_3, MII_STR_MARVELL_E1000_3 }, { MII_OUI_MARVELL, MII_MODEL_MARVELL_E1000_5, MII_STR_MARVELL_E1000_5 }, { MII_OUI_MARVELL, MII_MODEL_MARVELL_E1000_6, MII_STR_MARVELL_E1000_6 }, { MII_OUI_xxMARVELL, MII_MODEL_xxMARVELL_E1000_3, MII_STR_xxMARVELL_E1000_3 }, { MII_OUI_xxMARVELL, MII_MODEL_xxMARVELL_E1000_5, MII_STR_xxMARVELL_E1000_5 }, { MII_OUI_xxMARVELL, MII_MODEL_xxMARVELL_E1000S, MII_STR_xxMARVELL_E1000S }, { MII_OUI_xxMARVELL, MII_MODEL_xxMARVELL_E1011, MII_STR_xxMARVELL_E1011 }, { MII_OUI_xxMARVELL, MII_MODEL_xxMARVELL_E1111, MII_STR_xxMARVELL_E1111 }, { MII_OUI_xxMARVELL, MII_MODEL_xxMARVELL_E1112, MII_STR_xxMARVELL_E1112 }, { MII_OUI_xxMARVELL, MII_MODEL_xxMARVELL_E1116, MII_STR_xxMARVELL_E1116 }, { MII_OUI_xxMARVELL, MII_MODEL_xxMARVELL_E1116R, MII_STR_xxMARVELL_E1116R }, { MII_OUI_xxMARVELL, MII_MODEL_xxMARVELL_E1318S, MII_STR_xxMARVELL_E1318S }, { MII_OUI_xxMARVELL, MII_MODEL_xxMARVELL_E1118, MII_STR_xxMARVELL_E1118 }, { MII_OUI_xxMARVELL, MII_MODEL_xxMARVELL_E1145, MII_STR_xxMARVELL_E1145 }, { MII_OUI_xxMARVELL, MII_MODEL_xxMARVELL_E1149, MII_STR_xxMARVELL_E1149 }, { MII_OUI_xxMARVELL, MII_MODEL_xxMARVELL_E1149R, MII_STR_xxMARVELL_E1149R }, { MII_OUI_xxMARVELL, MII_MODEL_xxMARVELL_E1240, MII_STR_xxMARVELL_E1240 }, { MII_OUI_xxMARVELL, MII_MODEL_xxMARVELL_E1512, MII_STR_xxMARVELL_E1512 }, { MII_OUI_xxMARVELL, MII_MODEL_xxMARVELL_E1543, MII_STR_xxMARVELL_E1543 }, { MII_OUI_xxMARVELL, MII_MODEL_xxMARVELL_E3016, MII_STR_xxMARVELL_E3016 }, { MII_OUI_xxMARVELL, MII_MODEL_xxMARVELL_E3082, MII_STR_xxMARVELL_E3082 }, { MII_OUI_xxMARVELL, MII_MODEL_xxMARVELL_PHYG65G, MII_STR_xxMARVELL_PHYG65G }, { 0, 0, NULL }, }; #define MAKARG_PDOWN true /* Power DOWN */ #define MAKARG_PUP false /* Power UP */ static bool makphy_isi210(device_t parent, struct mii_attach_args *ma) { /* I21[01]'s model number is 0 */ if ((MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxMARVELL) && (MII_MODEL(ma->mii_id2) == MII_MODEL_xxMARVELL_I210) && (device_is_a(parent, "wm"))) return true; return false; } static int makphymatch(device_t parent, cfdata_t match, void *aux) { struct mii_attach_args *ma = aux; if (mii_phy_match(ma, makphys) != NULL) return 10; if (makphy_isi210(parent, ma)) return 10; return 0; } static void makphyattach(device_t parent, device_t self, void *aux) { struct mii_softc *sc = device_private(self); struct mii_attach_args *ma = aux; struct mii_data *mii = ma->mii_data; const struct mii_phydesc *mpd; struct makphy_softc *maksc = (struct makphy_softc *)sc; const char *name; int reg, model; mpd = mii_phy_match(ma, makphys); aprint_naive(": Media interface\n"); if (mpd) name = mpd->mpd_name; else if (makphy_isi210(parent, ma)) { name = MII_STR_xxMARVELL_I210; maksc->sc_flags |= MAKPHY_F_I210; } else panic("Unknown PHY"); aprint_normal(": %s, rev. %d\n", name, MII_REV(ma->mii_id2)); sc->mii_dev = self; sc->mii_mpd_oui = MII_OUI(ma->mii_id1, ma->mii_id2); sc->mii_mpd_model = model = MII_MODEL(ma->mii_id2); sc->mii_mpd_rev = MII_REV(ma->mii_id2); sc->mii_inst = mii->mii_instance; sc->mii_phy = ma->mii_phyno; sc->mii_funcs = &makphy_funcs; sc->mii_pdata = mii; sc->mii_flags = ma->mii_flags; sc->mii_anegticks = MII_ANEGTICKS; switch (model) { case MII_MODEL_xxMARVELL_E1000: if ((maksc->sc_flags & MAKPHY_F_I210) != 0) goto page0; /* FALLTHROUGH */ case MII_MODEL_xxMARVELL_E1000_3: case MII_MODEL_xxMARVELL_E1000S: case MII_MODEL_xxMARVELL_E1000_5: /* 88E1000 series has no EADR */ break; default: page0: /* Make sure page 0 is selected. */ PHY_WRITE(sc, MAKPHY_EADR, 0); break; } PHY_RESET(sc); sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & ma->mii_capmask; if (sc->mii_capabilities & BMSR_EXTSTAT) sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR); if (((sc->mii_extcapabilities & (EXTSR_1000TFDX | EXTSR_1000THDX)) != 0) && ((sc->mii_extcapabilities & (EXTSR_1000XFDX | EXTSR_1000XHDX)) != 0)) { bool fiberonly = false, copperonly = false; /* Both copper and fiber are set. check MODE[] */ switch (sc->mii_mpd_model) { case MII_MODEL_xxMARVELL_E1011: case MII_MODEL_xxMARVELL_E1111: /* These devices have ESSR register */ reg = PHY_READ(sc, MAKPHY_ESSR); if ((reg & ESSR_AUTOSEL_DISABLE) != 0) { switch (reg & ESSR_HWCFG_MODE) { case ESSR_RTBI_FIBER: case ESSR_RGMII_FIBER: case ESSR_RGMII_SGMII: /* right? */ case ESSR_TBI_FIBER: case ESSR_GMII_FIBER: fiberonly = true; break; case ESSR_SGMII_WC_COPPER: case ESSR_SGMII_WOC_COPPER: case ESSR_RTBI_COPPER: case ESSR_RGMII_COPPER: case ESSR_GMII_COPPER: copperonly = true; default: break; } } break; default: break; } if (fiberonly || copperonly) aprint_debug_dev(self, "both copper and fiber are set " "but MODE[] is %s only.\n", fiberonly ? "fiber" : "copper"); if (fiberonly) sc->mii_extcapabilities &= ~(EXTSR_1000TFDX | EXTSR_1000THDX); else if (copperonly) { sc->mii_extcapabilities &= ~(EXTSR_1000XFDX | EXTSR_1000XHDX); sc->mii_flags &= ~MIIF_IS_1000X; } } aprint_normal_dev(self, ""); if ((sc->mii_capabilities & BMSR_MEDIAMASK) == 0 && (sc->mii_extcapabilities & EXTSR_MEDIAMASK) == 0) aprint_error("no media present"); else mii_phy_add_media(sc); aprint_normal("\n"); } static void makphy_reset(struct mii_softc *sc) { struct makphy_softc *maksc = (struct makphy_softc *)sc; uint16_t reg; mii_phy_reset(sc); /* Initialize PHY Specific Control Register. */ reg = PHY_READ(sc, MAKPHY_PSCR); /* Assert CRS on transmit. */ switch (sc->mii_mpd_model) { case MII_MODEL_MARVELL_E1000_0: if ((maksc->sc_flags & MAKPHY_F_I210) != 0) break; /* FALLTHROUGH */ case MII_MODEL_MARVELL_E1000_3: case MII_MODEL_MARVELL_E1000_5: case MII_MODEL_MARVELL_E1000_6: case MII_MODEL_xxMARVELL_E1000S: case MII_MODEL_xxMARVELL_E1011: case MII_MODEL_xxMARVELL_E1111: reg |= PSCR_CRS_ON_TX; break; default: /* No PSCR_CRS_ON_TX bit */ break; } /* Enable scrambler if necessary. */ if (sc->mii_mpd_model == MII_MODEL_xxMARVELL_E3016) reg &= ~E3016_PSCR_SCRAMBLE_DIS; /* * Store next page in the Link Partner Next Page register for * compatibility with 802.3ab. */ if (sc->mii_mpd_model == MII_MODEL_xxMARVELL_E3016) reg |= E3016_PSCR_REG8NXTPG; PHY_WRITE(sc, MAKPHY_PSCR, reg); /* Configure LEDs if they were left unconfigured. */ if (sc->mii_mpd_model == MII_MODEL_xxMARVELL_E3016 && PHY_READ(sc, 0x16) == 0) { reg = (0x0b << 8) | (0x05 << 4) | 0x04; /* XXX */ PHY_WRITE(sc, 0x16, reg); } mii_phy_reset(sc); } static void makphy_pdown(struct mii_softc *sc, bool pdown) { int bmcr, new; bool need_reset = false; /* * XXX * PSCR (register 16) should be modified on some chips. */ bmcr = PHY_READ(sc, MII_BMCR); if (pdown) new = bmcr | BMCR_PDOWN; else new = bmcr & ~BMCR_PDOWN; if (bmcr != new) need_reset = true; if (need_reset) new |= BMCR_RESET; PHY_WRITE(sc, MII_BMCR, new); } static int makphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd) { struct ifmedia_entry *ife = mii->mii_media.ifm_cur; int bmcr; if (!device_is_active(sc->mii_dev)) return ENXIO; switch (cmd) { case MII_POLLSTAT: /* If we're not polling our PHY instance, just return. */ if (IFM_INST(ife->ifm_media) != sc->mii_inst) return 0; break; case MII_MEDIACHG: /* * If the media indicates a different PHY instance, * isolate ourselves. */ if (IFM_INST(ife->ifm_media) != sc->mii_inst) { bmcr = PHY_READ(sc, MII_BMCR); PHY_WRITE(sc, MII_BMCR, bmcr | BMCR_ISO); return 0; } /* If the interface is not up, don't do anything. */ if ((mii->mii_ifp->if_flags & IFF_UP) == 0) break; /* Try to power up the PHY in case it's down */ if (IFM_SUBTYPE(ife->ifm_media) != IFM_NONE) makphy_pdown(sc, MAKARG_PUP); mii_phy_setmedia(sc); /* * If autonegitation is not enabled, we need a * software reset for the settings to take effect. */ if (IFM_SUBTYPE(ife->ifm_media) == IFM_NONE) makphy_pdown(sc, MAKARG_PDOWN); else if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) { bmcr = PHY_READ(sc, MII_BMCR); PHY_WRITE(sc, MII_BMCR, bmcr | BMCR_RESET); } break; case MII_TICK: /* If we're not currently selected, just return. */ if (IFM_INST(ife->ifm_media) != sc->mii_inst) return 0; if (mii_phy_tick(sc) == EJUSTRETURN) return 0; break; case MII_DOWN: mii_phy_down(sc); return 0; } /* Update the media status. */ mii_phy_status(sc); /* Callback if something changed. */ mii_phy_update(sc, cmd); return 0; } static void makphy_status(struct mii_softc *sc) { struct mii_data *mii = sc->mii_pdata; int bmcr, gsr, pssr, essr; mii->mii_media_status = IFM_AVALID; mii->mii_media_active = IFM_ETHER; bmcr = PHY_READ(sc, MII_BMCR); /* XXX FIXME: Use different page for Fiber on newer chips */ pssr = PHY_READ(sc, MAKPHY_PSSR); if (pssr & MAKPHY_PSSR_LINK) mii->mii_media_status |= IFM_ACTIVE; if (bmcr & BMCR_LOOP) mii->mii_media_active |= IFM_LOOP; if (bmcr & (BMCR_ISO | BMCR_PDOWN)) { mii->mii_media_active |= IFM_NONE; return; } if ((bmcr & BMCR_AUTOEN) != 0) { /* * Check Speed and Duplex Resolved bit. * Note that this bit is always 1 when autonego is not enabled. */ if (!(pssr & MAKPHY_PSSR_RESOLVED)) { /* Erg, still trying, I guess... */ mii->mii_media_active |= IFM_NONE; return; } } else { if ((pssr & MAKPHY_PSSR_LINK) == 0) { mii->mii_media_active |= IFM_NONE; return; } } /* * XXX The following code support Fiber/Copper auto select mode * only for 88E1011, 88E1111 and 88E1112. For other chips, the document * is required. */ if (sc->mii_flags & MIIF_IS_1000X) { /* Not in Fiber/Copper auto select mode */ mii->mii_media_active |= IFM_1000_SX; } else if ((sc->mii_mpd_model == MII_MODEL_xxMARVELL_E1011) || (sc->mii_mpd_model == MII_MODEL_xxMARVELL_E1111)) { /* Fiber/Copper auto select mode */ essr = PHY_READ(sc, MAKPHY_ESSR); if ((essr & ESSR_FIBER_LINK) == 0) goto copper; /* XXX Assume 1000BASE-SX only */ mii->mii_media_active |= IFM_1000_SX; } else if (sc->mii_mpd_model == MII_MODEL_xxMARVELL_E1112) { /* Fiber/Copper auto select mode */ pssr = PHY_READ(sc, MAKPHY_PSSR); if ((pssr & MAKPHY_PSSR_RESOLUTION_FIBER) == 0) goto copper; switch (MAKPHY_PSSR_SPEED_get(pssr)) { case SPEED_1000: mii->mii_media_active |= IFM_1000_SX; break; case SPEED_100: mii->mii_media_active |= IFM_100_FX; break; default: /* Undefined (reserved) value */ mii->mii_media_active |= IFM_NONE; mii->mii_media_status = 0; return; } } else { copper: switch (MAKPHY_PSSR_SPEED_get(pssr)) { case SPEED_1000: mii->mii_media_active |= IFM_1000_T; break; case SPEED_100: mii->mii_media_active |= IFM_100_TX; break; case SPEED_10: mii->mii_media_active |= IFM_10_T; break; default: /* Undefined (reserved) value */ mii->mii_media_active |= IFM_NONE; mii->mii_media_status = 0; return; } } if (pssr & MAKPHY_PSSR_DUPLEX) mii->mii_media_active |= mii_phy_flowstatus(sc) | IFM_FDX; else mii->mii_media_active |= IFM_HDX; if (IFM_SUBTYPE(mii->mii_media_active) == IFM_1000_T) { gsr = PHY_READ(sc, MII_100T2SR); if (gsr & GTSR_MS_RES) mii->mii_media_active |= IFM_ETH_MASTER; } }