/* $NetBSD: brgphy.c,v 1.91 2023/02/22 08:09:09 msaitoh 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 Broadcom BCM5400 and BCM5700 Gig-E PHYs. * * Programming information for this PHY was gleaned from FreeBSD * (they were apparently able to get a datasheet from Broadcom). */ #include __KERNEL_RCSID(0, "$NetBSD: brgphy.c,v 1.91 2023/02/22 08:09:09 msaitoh Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static int brgphymatch(device_t, cfdata_t, void *); static void brgphyattach(device_t, device_t, void *); struct brgphy_softc { struct mii_softc sc_mii; bool sc_isbge; bool sc_isbnx; uint32_t sc_chipid; /* parent's chipid */ uint32_t sc_phyflags; /* parent's phyflags */ uint32_t sc_shared_hwcfg; /* shared hw config */ uint32_t sc_port_hwcfg; /* port specific hw config */ }; CFATTACH_DECL_NEW(brgphy, sizeof(struct brgphy_softc), brgphymatch, brgphyattach, mii_phy_detach, mii_phy_activate); static int brgphy_service(struct mii_softc *, struct mii_data *, int); static void brgphy_copper_status(struct mii_softc *); static void brgphy_fiber_status(struct mii_softc *); static void brgphy_5708s_status(struct mii_softc *); static void brgphy_5709s_status(struct mii_softc *); static int brgphy_mii_phy_auto(struct mii_softc *); static void brgphy_loop(struct mii_softc *); static void brgphy_reset(struct mii_softc *); static void brgphy_bcm5401_dspcode(struct mii_softc *); static void brgphy_bcm5411_dspcode(struct mii_softc *); static void brgphy_bcm5421_dspcode(struct mii_softc *); static void brgphy_bcm54k2_dspcode(struct mii_softc *); static void brgphy_adc_bug(struct mii_softc *); static void brgphy_5704_a0_bug(struct mii_softc *); static void brgphy_ber_bug(struct mii_softc *); static void brgphy_crc_bug(struct mii_softc *); static void brgphy_disable_early_dac(struct mii_softc *); static void brgphy_jumbo_settings(struct mii_softc *); static void brgphy_eth_wirespeed(struct mii_softc *); static void brgphy_bcm54xx_clock_delay(struct mii_softc *); static const struct mii_phy_funcs brgphy_copper_funcs = { brgphy_service, brgphy_copper_status, brgphy_reset, }; static const struct mii_phy_funcs brgphy_fiber_funcs = { brgphy_service, brgphy_fiber_status, brgphy_reset, }; static const struct mii_phy_funcs brgphy_5708s_funcs = { brgphy_service, brgphy_5708s_status, brgphy_reset, }; static const struct mii_phy_funcs brgphy_5709s_funcs = { brgphy_service, brgphy_5709s_status, brgphy_reset, }; static const struct mii_phydesc brgphys[] = { MII_PHY_DESC(BROADCOM, BCM5400), MII_PHY_DESC(BROADCOM, BCM5401), MII_PHY_DESC(BROADCOM, BCM5402), MII_PHY_DESC(BROADCOM, BCM5404), MII_PHY_DESC(BROADCOM, BCM5411), MII_PHY_DESC(BROADCOM, BCM5421), MII_PHY_DESC(BROADCOM, BCM5424), MII_PHY_DESC(BROADCOM, BCM5461), MII_PHY_DESC(BROADCOM, BCM5462), MII_PHY_DESC(BROADCOM, BCM5464), MII_PHY_DESC(BROADCOM, BCM5466), MII_PHY_DESC(BROADCOM, BCM54K2), MII_PHY_DESC(BROADCOM, BCM5701), MII_PHY_DESC(BROADCOM, BCM5703), MII_PHY_DESC(BROADCOM, BCM5704), MII_PHY_DESC(BROADCOM, BCM5705), MII_PHY_DESC(BROADCOM, BCM5706), MII_PHY_DESC(BROADCOM, BCM5714), MII_PHY_DESC(BROADCOM, BCM5750), MII_PHY_DESC(BROADCOM, BCM5752), MII_PHY_DESC(BROADCOM, BCM5780), MII_PHY_DESC(BROADCOM, BCM5708C), MII_PHY_DESC(BROADCOM2, BCM5481), MII_PHY_DESC(BROADCOM2, BCM5482), MII_PHY_DESC(BROADCOM2, BCM5708S), MII_PHY_DESC(BROADCOM2, BCM5709C), MII_PHY_DESC(BROADCOM2, BCM5709S), MII_PHY_DESC(BROADCOM2, BCM5709CAX), MII_PHY_DESC(BROADCOM2, BCM5722), MII_PHY_DESC(BROADCOM2, BCM5754), MII_PHY_DESC(BROADCOM2, BCM5755), MII_PHY_DESC(BROADCOM2, BCM5756), MII_PHY_DESC(BROADCOM2, BCM5761), MII_PHY_DESC(BROADCOM2, BCM5784), MII_PHY_DESC(BROADCOM2, BCM5785), MII_PHY_DESC(BROADCOM3, BCM5717C), MII_PHY_DESC(BROADCOM3, BCM5719C), MII_PHY_DESC(BROADCOM3, BCM5720C), MII_PHY_DESC(BROADCOM3, BCM57765), MII_PHY_DESC(BROADCOM3, BCM57780), MII_PHY_DESC(BROADCOM4, BCM54213PE), MII_PHY_DESC(BROADCOM4, BCM5725C), MII_PHY_DESC(xxBROADCOM_ALT1, BCM5906), MII_PHY_END, }; static int brgphymatch(device_t parent, cfdata_t match, void *aux) { struct mii_attach_args *ma = aux; if (mii_phy_match(ma, brgphys) != NULL) return 10; return 0; } static void brgphyattach(device_t parent, device_t self, void *aux) { struct brgphy_softc *bsc = device_private(self); struct mii_softc *sc = &bsc->sc_mii; struct mii_attach_args *ma = aux; struct mii_data *mii = ma->mii_data; const struct mii_phydesc *mpd; prop_dictionary_t dict; mpd = mii_phy_match(ma, brgphys); aprint_naive(": Media interface\n"); aprint_normal(": %s, rev. %d\n", mpd->mpd_name, MII_REV(ma->mii_id2)); sc->mii_dev = self; sc->mii_inst = mii->mii_instance; sc->mii_phy = ma->mii_phyno; sc->mii_mpd_oui = MII_OUI(ma->mii_id1, ma->mii_id2); sc->mii_mpd_model = MII_MODEL(ma->mii_id2); sc->mii_mpd_rev = MII_REV(ma->mii_id2); sc->mii_pdata = mii; sc->mii_flags = ma->mii_flags; if (device_is_a(parent, "bge")) bsc->sc_isbge = true; else if (device_is_a(parent, "bnx")) bsc->sc_isbnx = true; dict = device_properties(parent); if (bsc->sc_isbge || bsc->sc_isbnx) { if (!prop_dictionary_get_uint32(dict, "phyflags", &bsc->sc_phyflags)) aprint_error_dev(self, "failed to get phyflags\n"); if (!prop_dictionary_get_uint32(dict, "chipid", &bsc->sc_chipid)) aprint_error_dev(self, "failed to get chipid\n"); } if (bsc->sc_isbnx) { /* Currently, only bnx use sc_shared_hwcfg and sc_port_hwcfg */ if (!prop_dictionary_get_uint32(dict, "shared_hwcfg", &bsc->sc_shared_hwcfg)) aprint_error_dev(self, "failed to get shared_hwcfg\n"); if (!prop_dictionary_get_uint32(dict, "port_hwcfg", &bsc->sc_port_hwcfg)) aprint_error_dev(self, "failed to get port_hwcfg\n"); } if (sc->mii_flags & MIIF_HAVEFIBER) { if ((sc->mii_mpd_oui == MII_OUI_BROADCOM2) && sc->mii_mpd_model == MII_MODEL_BROADCOM2_BCM5708S) sc->mii_funcs = &brgphy_5708s_funcs; else if ((sc->mii_mpd_oui == MII_OUI_BROADCOM2) && (sc->mii_mpd_model == MII_MODEL_BROADCOM2_BCM5709S)) { if (bsc->sc_isbnx) sc->mii_funcs = &brgphy_5709s_funcs; else { /* * XXX * 5720S and 5709S shares the same PHY id. * Assume 5720S PHY if parent device is bge(4). */ sc->mii_funcs = &brgphy_5708s_funcs; } } else sc->mii_funcs = &brgphy_fiber_funcs; } else sc->mii_funcs = &brgphy_copper_funcs; mii_lock(mii); PHY_RESET(sc); PHY_READ(sc, MII_BMSR, &sc->mii_capabilities); sc->mii_capabilities &= ma->mii_capmask; if (sc->mii_capabilities & BMSR_EXTSTAT) PHY_READ(sc, MII_EXTSR, &sc->mii_extcapabilities); mii_unlock(mii); if (sc->mii_flags & MIIF_HAVEFIBER) { mii_lock(mii); sc->mii_flags |= MIIF_NOISOLATE | MIIF_NOLOOP; /* * Set the proper bits for capabilities so that the * correct media get selected by mii_phy_add_media() */ sc->mii_capabilities |= BMSR_ANEG; sc->mii_capabilities &= ~BMSR_100T4; sc->mii_extcapabilities |= EXTSR_1000XFDX; mii_unlock(mii); if (bsc->sc_isbnx) { /* * 2.5Gb support is a software enabled feature * on the BCM5708S and BCM5709S controllers. */ #define ADD(m, c) ifmedia_add(&mii->mii_media, (m), (c), NULL) if (bsc->sc_phyflags & BNX_PHY_2_5G_CAPABLE_FLAG) { ADD(IFM_MAKEWORD(IFM_ETHER, IFM_2500_SX, IFM_FDX, sc->mii_inst), 0); aprint_normal_dev(self, "2500baseSX-FDX\n"); #undef ADD } } } mii_phy_add_media(sc); } static int brgphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd) { struct ifmedia_entry *ife = mii->mii_media.ifm_cur; uint16_t reg, speed, gig; KASSERT(mii_locked(mii)); 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) { PHY_READ(sc, MII_BMCR, ®); PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO); return 0; } /* If the interface is not up, don't do anything. */ if ((mii->mii_ifp->if_flags & IFF_UP) == 0) break; PHY_RESET(sc); /* XXX hardware bug work-around */ switch (IFM_SUBTYPE(ife->ifm_media)) { case IFM_AUTO: (void) brgphy_mii_phy_auto(sc); break; case IFM_2500_SX: speed = BRGPHY_5708S_BMCR_2500; goto setit; case IFM_1000_SX: case IFM_1000_T: speed = BMCR_S1000; goto setit; case IFM_100_TX: speed = BMCR_S100; goto setit; case IFM_10_T: speed = BMCR_S10; setit: brgphy_loop(sc); if ((ife->ifm_media & IFM_FDX) != 0) { speed |= BMCR_FDX; gig = GTCR_ADV_1000TFDX; } else gig = GTCR_ADV_1000THDX; PHY_WRITE(sc, MII_100T2CR, 0); PHY_WRITE(sc, MII_ANAR, ANAR_CSMA); PHY_WRITE(sc, MII_BMCR, speed); if ((IFM_SUBTYPE(ife->ifm_media) != IFM_1000_T) && (IFM_SUBTYPE(ife->ifm_media) != IFM_1000_SX) && (IFM_SUBTYPE(ife->ifm_media) != IFM_2500_SX)) break; PHY_WRITE(sc, MII_100T2CR, gig); PHY_WRITE(sc, MII_BMCR, speed | BMCR_AUTOEN | BMCR_STARTNEG); if ((sc->mii_mpd_oui != MII_OUI_BROADCOM) || (sc->mii_mpd_model != MII_MODEL_BROADCOM_BCM5701)) break; if (mii->mii_media.ifm_media & IFM_ETH_MASTER) gig |= GTCR_MAN_MS | GTCR_ADV_MS; PHY_WRITE(sc, MII_100T2CR, gig); break; default: return EINVAL; } break; case MII_TICK: /* If we're not currently selected, just return. */ if (IFM_INST(ife->ifm_media) != sc->mii_inst) return 0; /* Is the interface even up? */ if ((mii->mii_ifp->if_flags & IFF_UP) == 0) return 0; /* Only used for autonegotiation. */ if ((IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) && (IFM_SUBTYPE(ife->ifm_media) != IFM_1000_T)) { sc->mii_ticks = 0; break; } /* * Check for link. * Read the status register twice; BMSR_LINK is latch-low. */ PHY_READ(sc, MII_BMSR, ®); PHY_READ(sc, MII_BMSR, ®); if (reg & BMSR_LINK) { sc->mii_ticks = 0; break; } /* * mii_ticks == 0 means it's the first tick after changing the * media or the link became down since the last tick * (see above), so break to update the status. */ if (sc->mii_ticks++ == 0) break; /* Only retry autonegotiation every mii_anegticks seconds. */ KASSERT(sc->mii_anegticks != 0); if (sc->mii_ticks < sc->mii_anegticks) break; brgphy_mii_phy_auto(sc); break; case MII_DOWN: mii_phy_down(sc); return 0; } /* Update the media status. */ mii_phy_status(sc); /* * Callback if something changed. Note that we need to poke the DSP on * the Broadcom PHYs if the media changes. */ if (sc->mii_media_active != mii->mii_media_active || sc->mii_media_status != mii->mii_media_status || cmd == MII_MEDIACHG) { switch (sc->mii_mpd_oui) { case MII_OUI_BROADCOM: switch (sc->mii_mpd_model) { case MII_MODEL_BROADCOM_BCM5400: brgphy_bcm5401_dspcode(sc); break; case MII_MODEL_BROADCOM_BCM5401: if (sc->mii_mpd_rev == 1 || sc->mii_mpd_rev == 3) brgphy_bcm5401_dspcode(sc); break; case MII_MODEL_BROADCOM_BCM5411: brgphy_bcm5411_dspcode(sc); break; } break; case MII_OUI_BROADCOM4: switch (sc->mii_mpd_model) { case MII_MODEL_BROADCOM4_BCM54213PE: brgphy_bcm54xx_clock_delay(sc); break; } } } /* Callback if something changed. */ mii_phy_update(sc, cmd); return 0; } static void brgphy_copper_status(struct mii_softc *sc) { struct mii_data *mii = sc->mii_pdata; struct ifmedia_entry *ife = mii->mii_media.ifm_cur; uint16_t bmcr, bmsr, auxsts, gtsr; KASSERT(mii_locked(mii)); mii->mii_media_status = IFM_AVALID; mii->mii_media_active = IFM_ETHER; PHY_READ(sc, MII_BMSR, &bmsr); PHY_READ(sc, MII_BMSR, &bmsr); if (bmsr & BMSR_LINK) mii->mii_media_status |= IFM_ACTIVE; PHY_READ(sc, MII_BMCR, &bmcr); if (bmcr & BMCR_ISO) { mii->mii_media_active |= IFM_NONE; mii->mii_media_status = 0; return; } if (bmcr & BMCR_LOOP) mii->mii_media_active |= IFM_LOOP; if (bmcr & BMCR_AUTOEN) { /* * The media status bits are only valid if autonegotiation * has completed (or it's disabled). */ if ((bmsr & BMSR_ACOMP) == 0) { /* Erg, still trying, I guess... */ mii->mii_media_active |= IFM_NONE; return; } PHY_READ(sc, BRGPHY_MII_AUXSTS, &auxsts); switch (auxsts & BRGPHY_AUXSTS_AN_RES) { case BRGPHY_RES_1000FD: mii->mii_media_active |= IFM_1000_T | IFM_FDX; PHY_READ(sc, MII_100T2SR, >sr); if (gtsr & GTSR_MS_RES) mii->mii_media_active |= IFM_ETH_MASTER; break; case BRGPHY_RES_1000HD: mii->mii_media_active |= IFM_1000_T | IFM_HDX; PHY_READ(sc, MII_100T2SR, >sr); if (gtsr & GTSR_MS_RES) mii->mii_media_active |= IFM_ETH_MASTER; break; case BRGPHY_RES_100FD: mii->mii_media_active |= IFM_100_TX | IFM_FDX; break; case BRGPHY_RES_100T4: mii->mii_media_active |= IFM_100_T4 | IFM_HDX; break; case BRGPHY_RES_100HD: mii->mii_media_active |= IFM_100_TX | IFM_HDX; break; case BRGPHY_RES_10FD: mii->mii_media_active |= IFM_10_T | IFM_FDX; break; case BRGPHY_RES_10HD: mii->mii_media_active |= IFM_10_T | IFM_HDX; break; default: mii->mii_media_active |= IFM_NONE; mii->mii_media_status = 0; } if (mii->mii_media_active & IFM_FDX) mii->mii_media_active |= mii_phy_flowstatus(sc); } else mii->mii_media_active = ife->ifm_media; } void brgphy_fiber_status(struct mii_softc *sc) { struct mii_data *mii = sc->mii_pdata; struct ifmedia_entry *ife = mii->mii_media.ifm_cur; uint16_t bmcr, bmsr, anar, anlpar, result; KASSERT(mii_locked(mii)); mii->mii_media_status = IFM_AVALID; mii->mii_media_active = IFM_ETHER; PHY_READ(sc, MII_BMSR, &bmsr); PHY_READ(sc, MII_BMSR, &bmsr); if (bmsr & BMSR_LINK) mii->mii_media_status |= IFM_ACTIVE; PHY_READ(sc, MII_BMCR, &bmcr); if (bmcr & BMCR_LOOP) mii->mii_media_active |= IFM_LOOP; if (bmcr & BMCR_AUTOEN) { if ((bmsr & BMSR_ACOMP) == 0) { /* Erg, still trying, I guess... */ mii->mii_media_active |= IFM_NONE; return; } mii->mii_media_active |= IFM_1000_SX; PHY_READ(sc, MII_ANAR, &anar); PHY_READ(sc, MII_ANLPAR, &anlpar); result = anar & anlpar; if (result & ANAR_X_FD) mii->mii_media_active |= IFM_FDX; else mii->mii_media_active |= IFM_HDX; if (mii->mii_media_active & IFM_FDX) mii->mii_media_active |= mii_phy_flowstatus(sc); } else mii->mii_media_active = ife->ifm_media; } void brgphy_5708s_status(struct mii_softc *sc) { struct mii_data *mii = sc->mii_pdata; struct ifmedia_entry *ife = mii->mii_media.ifm_cur; uint16_t bmcr, bmsr; KASSERT(mii_locked(mii)); mii->mii_media_status = IFM_AVALID; mii->mii_media_active = IFM_ETHER; PHY_READ(sc, MII_BMSR, &bmsr); PHY_READ(sc, MII_BMSR, &bmsr); if (bmsr & BMSR_LINK) mii->mii_media_status |= IFM_ACTIVE; PHY_READ(sc, MII_BMCR, &bmcr); if (bmcr & BMCR_LOOP) mii->mii_media_active |= IFM_LOOP; if (bmcr & BMCR_AUTOEN) { uint16_t xstat; if ((bmsr & BMSR_ACOMP) == 0) { PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG_PG0); PHY_READ(sc, BRGPHY_5708S_PG0_1000X_STAT1, &xstat); if ((xstat & BRGPHY_5708S_PG0_1000X_STAT1_LINK) == 0) { /* Erg, still trying, I guess... */ mii->mii_media_active |= IFM_NONE; return; } } PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG_PG0); PHY_READ(sc, BRGPHY_5708S_PG0_1000X_STAT1, &xstat); switch (xstat & BRGPHY_5708S_PG0_1000X_STAT1_SPEED_MASK) { case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_10: mii->mii_media_active |= IFM_10_FL; break; case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_100: mii->mii_media_active |= IFM_100_FX; break; case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_1G: mii->mii_media_active |= IFM_1000_SX; break; case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_25G: mii->mii_media_active |= IFM_2500_SX; break; } if (xstat & BRGPHY_5708S_PG0_1000X_STAT1_FDX) mii->mii_media_active |= IFM_FDX; else mii->mii_media_active |= IFM_HDX; if (mii->mii_media_active & IFM_FDX) { if (xstat & BRGPHY_5708S_PG0_1000X_STAT1_TX_PAUSE) mii->mii_media_active |= IFM_FLOW | IFM_ETH_TXPAUSE; if (xstat & BRGPHY_5708S_PG0_1000X_STAT1_RX_PAUSE) mii->mii_media_active |= IFM_FLOW | IFM_ETH_RXPAUSE; } } else mii->mii_media_active = ife->ifm_media; } static void brgphy_5709s_status(struct mii_softc *sc) { struct mii_data *mii = sc->mii_pdata; struct ifmedia_entry *ife = mii->mii_media.ifm_cur; uint16_t bmcr, bmsr, auxsts; KASSERT(mii_locked(mii)); mii->mii_media_status = IFM_AVALID; mii->mii_media_active = IFM_ETHER; PHY_READ(sc, MII_BMSR, &bmsr); PHY_READ(sc, MII_BMSR, &bmsr); if (bmsr & BMSR_LINK) mii->mii_media_status |= IFM_ACTIVE; PHY_READ(sc, MII_BMCR, &bmcr); if (bmcr & BMCR_ISO) { mii->mii_media_active |= IFM_NONE; mii->mii_media_status = 0; return; } if (bmcr & BMCR_LOOP) mii->mii_media_active |= IFM_LOOP; if (bmcr & BMCR_AUTOEN) { /* * The media status bits are only valid of autonegotiation * has completed (or it's disabled). */ if ((bmsr & BMSR_ACOMP) == 0) { /* Erg, still trying, I guess... */ mii->mii_media_active |= IFM_NONE; return; } /* 5709S has its own general purpose status registers */ PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_GP_STATUS); PHY_READ(sc, BRGPHY_GP_STATUS_TOP_ANEG_STATUS, &auxsts); PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_COMBO_IEEE0); switch (auxsts & BRGPHY_GP_STATUS_TOP_ANEG_SPEED_MASK) { case BRGPHY_GP_STATUS_TOP_ANEG_SPEED_10: mii->mii_media_active |= IFM_10_FL; break; case BRGPHY_GP_STATUS_TOP_ANEG_SPEED_100: mii->mii_media_active |= IFM_100_FX; break; case BRGPHY_GP_STATUS_TOP_ANEG_SPEED_1G: mii->mii_media_active |= IFM_1000_SX; break; case BRGPHY_GP_STATUS_TOP_ANEG_SPEED_25G: mii->mii_media_active |= IFM_2500_SX; break; default: mii->mii_media_active |= IFM_NONE; mii->mii_media_status = 0; break; } if (auxsts & BRGPHY_GP_STATUS_TOP_ANEG_FDX) mii->mii_media_active |= IFM_FDX; else mii->mii_media_active |= IFM_HDX; if (mii->mii_media_active & IFM_FDX) mii->mii_media_active |= mii_phy_flowstatus(sc); } else mii->mii_media_active = ife->ifm_media; } static int brgphy_mii_phy_auto(struct mii_softc *sc) { uint16_t anar, ktcr = 0; KASSERT(mii_locked(sc->mii_pdata)); sc->mii_ticks = 0; brgphy_loop(sc); PHY_RESET(sc); if (sc->mii_flags & MIIF_HAVEFIBER) { anar = ANAR_X_FD | ANAR_X_HD; if (sc->mii_flags & MIIF_DOPAUSE) anar |= ANAR_X_PAUSE_TOWARDS; } else { anar = BMSR_MEDIA_TO_ANAR(sc->mii_capabilities) | ANAR_CSMA; if (sc->mii_flags & MIIF_DOPAUSE) anar |= ANAR_FC | ANAR_PAUSE_ASYM; ktcr = GTCR_ADV_1000TFDX | GTCR_ADV_1000THDX; if ((sc->mii_mpd_oui == MII_OUI_BROADCOM) && (sc->mii_mpd_model == MII_MODEL_BROADCOM_BCM5701)) ktcr |= GTCR_MAN_MS | GTCR_ADV_MS; PHY_WRITE(sc, MII_100T2CR, ktcr); } PHY_WRITE(sc, MII_ANAR, anar); /* Start autonegotiation */ PHY_WRITE(sc, MII_BMCR, BMCR_AUTOEN | BMCR_STARTNEG); PHY_WRITE(sc, BRGPHY_MII_IMR, 0xFF00); return EJUSTRETURN; } static void brgphy_loop(struct mii_softc *sc) { uint16_t bmsr; int i; KASSERT(mii_locked(sc->mii_pdata)); PHY_WRITE(sc, MII_BMCR, BMCR_LOOP); for (i = 0; i < 15000; i++) { PHY_READ(sc, MII_BMSR, &bmsr); if (!(bmsr & BMSR_LINK)) break; DELAY(10); } } static void brgphy_reset(struct mii_softc *sc) { struct brgphy_softc *bsc = device_private(sc->mii_dev); uint16_t reg; KASSERT(mii_locked(sc->mii_pdata)); mii_phy_reset(sc); switch (sc->mii_mpd_oui) { case MII_OUI_BROADCOM: switch (sc->mii_mpd_model) { case MII_MODEL_BROADCOM_BCM5400: brgphy_bcm5401_dspcode(sc); break; case MII_MODEL_BROADCOM_BCM5401: if (sc->mii_mpd_rev == 1 || sc->mii_mpd_rev == 3) brgphy_bcm5401_dspcode(sc); break; case MII_MODEL_BROADCOM_BCM5411: brgphy_bcm5411_dspcode(sc); break; case MII_MODEL_BROADCOM_BCM5421: brgphy_bcm5421_dspcode(sc); break; case MII_MODEL_BROADCOM_BCM54K2: brgphy_bcm54k2_dspcode(sc); break; } break; case MII_OUI_BROADCOM3: switch (sc->mii_mpd_model) { case MII_MODEL_BROADCOM3_BCM5717C: case MII_MODEL_BROADCOM3_BCM5719C: case MII_MODEL_BROADCOM3_BCM5720C: case MII_MODEL_BROADCOM3_BCM57765: return; } break; default: break; } /* Handle any bge (NetXtreme/NetLink) workarounds. */ if (bsc->sc_isbge) { if (!(sc->mii_flags & MIIF_HAVEFIBER)) { if (bsc->sc_phyflags & BGEPHYF_ADC_BUG) brgphy_adc_bug(sc); if (bsc->sc_phyflags & BGEPHYF_5704_A0_BUG) brgphy_5704_a0_bug(sc); if (bsc->sc_phyflags & BGEPHYF_BER_BUG) brgphy_ber_bug(sc); else if (bsc->sc_phyflags & BGEPHYF_JITTER_BUG) { PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x0c00); PHY_WRITE(sc, BRGPHY_MII_DSP_ADDR_REG, 0x000a); if (bsc->sc_phyflags & BGEPHYF_ADJUST_TRIM) { PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT, 0x110b); PHY_WRITE(sc, BRGPHY_TEST1, BRGPHY_TEST1_TRIM_EN | 0x4); } else { PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT, 0x010b); } PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x0400); } if (bsc->sc_phyflags & BGEPHYF_CRC_BUG) brgphy_crc_bug(sc); /* Set Jumbo frame settings in the PHY. */ if (bsc->sc_phyflags & BGEPHYF_JUMBO_CAPABLE) brgphy_jumbo_settings(sc); /* Adjust output voltage */ if ((sc->mii_mpd_oui == MII_OUI_BROADCOM2) && (sc->mii_mpd_model == MII_MODEL_BROADCOM2_BCM5906)) PHY_WRITE(sc, BRGPHY_MII_EPHY_PTEST, 0x12); /* Enable Ethernet@Wirespeed */ if (!(bsc->sc_phyflags & BGEPHYF_NO_WIRESPEED)) brgphy_eth_wirespeed(sc); #if 0 /* Enable Link LED on Dell boxes */ if (bsc->sc_phyflags & BGEPHYF_NO_3LED) { PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL, ®); PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL, reg & ~BRGPHY_PHY_EXTCTL_3_LED); } #endif } /* Handle any bnx (NetXtreme II) workarounds. */ } else if (bsc->sc_isbnx) { uint32_t chip_num = _BNX_CHIP_NUM(bsc->sc_chipid); uint32_t chip_id = _BNX_CHIP_ID(bsc->sc_chipid); uint32_t chip_rev = _BNX_CHIP_REV(bsc->sc_chipid); if ((sc->mii_mpd_oui == MII_OUI_BROADCOM2) && sc->mii_mpd_model == MII_MODEL_BROADCOM2_BCM5708S) { /* * Store autoneg capabilities/results in digital block * (Page 0) */ PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG3_PG2); PHY_WRITE(sc, BRGPHY_5708S_PG2_DIGCTL_3_0, BRGPHY_5708S_PG2_DIGCTL_3_0_USE_IEEE); PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG_PG0); /* Enable fiber mode and autodetection */ PHY_READ(sc, BRGPHY_5708S_PG0_1000X_CTL1, ®); PHY_WRITE(sc, BRGPHY_5708S_PG0_1000X_CTL1, reg | BRGPHY_5708S_PG0_1000X_CTL1_AUTODET_EN | BRGPHY_5708S_PG0_1000X_CTL1_FIBER_MODE); /* Enable parallel detection */ PHY_READ(sc, BRGPHY_5708S_PG0_1000X_CTL2, ®); PHY_WRITE(sc, BRGPHY_5708S_PG0_1000X_CTL2, reg | BRGPHY_5708S_PG0_1000X_CTL2_PAR_DET_EN); /* * Advertise 2.5G support through next page during * autoneg */ if (bsc->sc_phyflags & BNX_PHY_2_5G_CAPABLE_FLAG) { PHY_READ(sc, BRGPHY_5708S_ANEG_NXT_PG_XMIT1, ®); PHY_WRITE(sc, BRGPHY_5708S_ANEG_NXT_PG_XMIT1, reg | BRGPHY_5708S_ANEG_NXT_PG_XMIT1_25G); } /* Increase TX signal amplitude */ if ((chip_id == BNX_CHIP_ID_5708_A0) || (chip_id == BNX_CHIP_ID_5708_B0) || (chip_id == BNX_CHIP_ID_5708_B1)) { PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_TX_MISC_PG5); PHY_READ(sc, BRGPHY_5708S_PG5_TXACTL1, ®); PHY_WRITE(sc, BRGPHY_5708S_PG5_TXACTL1, reg & ~BRGPHY_5708S_PG5_TXACTL1_VCM); PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG_PG0); } /* * Backplanes use special * driver/pre-driver/pre-emphasis values. */ if ((bsc->sc_shared_hwcfg & BNX_SHARED_HW_CFG_PHY_BACKPLANE) && (bsc->sc_port_hwcfg & BNX_PORT_HW_CFG_CFG_TXCTL3_MASK)) { PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_TX_MISC_PG5); PHY_WRITE(sc, BRGPHY_5708S_PG5_TXACTL3, bsc->sc_port_hwcfg & BNX_PORT_HW_CFG_CFG_TXCTL3_MASK); PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG_PG0); } } else if ((sc->mii_mpd_oui == MII_OUI_BROADCOM2) && (sc->mii_mpd_model == MII_MODEL_BROADCOM2_BCM5709S)) { /* Select the SerDes Digital block of the AN MMD. */ PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_SERDES_DIG); PHY_READ(sc, BRGPHY_SERDES_DIG_1000X_CTL1, ®); PHY_WRITE(sc, BRGPHY_SERDES_DIG_1000X_CTL1, (reg & ~BRGPHY_SD_DIG_1000X_CTL1_AUTODET) | BRGPHY_SD_DIG_1000X_CTL1_FIBER); if (bsc->sc_phyflags & BNX_PHY_2_5G_CAPABLE_FLAG) { /* Select the Over 1G block of the AN MMD. */ PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_OVER_1G); /* * Enable autoneg "Next Page" to advertise * 2.5G support. */ PHY_READ(sc, BRGPHY_OVER_1G_UNFORMAT_PG1, ®); PHY_WRITE(sc, BRGPHY_OVER_1G_UNFORMAT_PG1, reg | BRGPHY_5708S_ANEG_NXT_PG_XMIT1_25G); } /* * Select the Multi-Rate Backplane Ethernet block of * the AN MMD. */ PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_MRBE); /* Enable MRBE speed autoneg. */ PHY_READ(sc, BRGPHY_MRBE_MSG_PG5_NP, ®); PHY_WRITE(sc, BRGPHY_MRBE_MSG_PG5_NP, reg | BRGPHY_MRBE_MSG_PG5_NP_MBRE | BRGPHY_MRBE_MSG_PG5_NP_T2); /* Select the Clause 73 User B0 block of the AN MMD. */ PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_CL73_USER_B0); /* Enable MRBE speed autoneg. */ PHY_WRITE(sc, BRGPHY_CL73_USER_B0_MBRE_CTL1, BRGPHY_CL73_USER_B0_MBRE_CTL1_NP_AFT_BP | BRGPHY_CL73_USER_B0_MBRE_CTL1_STA_MGR | BRGPHY_CL73_USER_B0_MBRE_CTL1_ANEG); PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_COMBO_IEEE0); } else if (chip_num == BNX_CHIP_NUM_5709) { if ((chip_rev == BNX_CHIP_REV_Ax) || (chip_rev == BNX_CHIP_REV_Bx)) brgphy_disable_early_dac(sc); /* Set Jumbo frame settings in the PHY. */ brgphy_jumbo_settings(sc); /* Enable Ethernet@Wirespeed */ brgphy_eth_wirespeed(sc); } else { if (!(sc->mii_flags & MIIF_HAVEFIBER)) { brgphy_ber_bug(sc); /* Set Jumbo frame settings in the PHY. */ brgphy_jumbo_settings(sc); /* Enable Ethernet@Wirespeed */ brgphy_eth_wirespeed(sc); } } } } /* Turn off tap power management on 5401. */ static void brgphy_bcm5401_dspcode(struct mii_softc *sc) { static const struct { int reg; uint16_t val; } dspcode[] = { { BRGPHY_MII_AUXCTL, 0x0c20 }, { BRGPHY_MII_DSP_ADDR_REG, 0x0012 }, { BRGPHY_MII_DSP_RW_PORT, 0x1804 }, { BRGPHY_MII_DSP_ADDR_REG, 0x0013 }, { BRGPHY_MII_DSP_RW_PORT, 0x1204 }, { BRGPHY_MII_DSP_ADDR_REG, 0x8006 }, { BRGPHY_MII_DSP_RW_PORT, 0x0132 }, { BRGPHY_MII_DSP_ADDR_REG, 0x8006 }, { BRGPHY_MII_DSP_RW_PORT, 0x0232 }, { BRGPHY_MII_DSP_ADDR_REG, 0x201f }, { BRGPHY_MII_DSP_RW_PORT, 0x0a20 }, { 0, 0 }, }; int i; for (i = 0; dspcode[i].reg != 0; i++) PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); delay(40); } static void brgphy_bcm5411_dspcode(struct mii_softc *sc) { static const struct { int reg; uint16_t val; } dspcode[] = { { 0x1c, 0x8c23 }, { 0x1c, 0x8ca3 }, { 0x1c, 0x8c23 }, { 0, 0 }, }; int i; for (i = 0; dspcode[i].reg != 0; i++) PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); } static void brgphy_bcm5421_dspcode(struct mii_softc *sc) { uint16_t data; /* Set Class A mode */ PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x1007); PHY_READ(sc, BRGPHY_MII_AUXCTL, &data); PHY_WRITE(sc, BRGPHY_MII_AUXCTL, data | 0x0400); /* Set FFE gamma override to -0.125 */ PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x0007); PHY_READ(sc, BRGPHY_MII_AUXCTL, &data); PHY_WRITE(sc, BRGPHY_MII_AUXCTL, data | 0x0800); PHY_WRITE(sc, BRGPHY_MII_DSP_ADDR_REG, 0x000a); PHY_READ(sc, BRGPHY_MII_DSP_RW_PORT, &data); PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT, data | 0x0200); } static void brgphy_bcm54k2_dspcode(struct mii_softc *sc) { static const struct { int reg; uint16_t val; } dspcode[] = { { 4, 0x01e1 }, { 9, 0x0300 }, { 0, 0 }, }; int i; for (i = 0; dspcode[i].reg != 0; i++) PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); } static void brgphy_adc_bug(struct mii_softc *sc) { static const struct { int reg; uint16_t val; } dspcode[] = { { BRGPHY_MII_AUXCTL, 0x0c00 }, { BRGPHY_MII_DSP_ADDR_REG, 0x201f }, { BRGPHY_MII_DSP_RW_PORT, 0x2aaa }, { BRGPHY_MII_DSP_ADDR_REG, 0x000a }, { BRGPHY_MII_DSP_RW_PORT, 0x0323 }, { BRGPHY_MII_AUXCTL, 0x0400 }, { 0, 0 }, }; int i; for (i = 0; dspcode[i].reg != 0; i++) PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); } static void brgphy_5704_a0_bug(struct mii_softc *sc) { static const struct { int reg; uint16_t val; } dspcode[] = { { 0x1c, 0x8d68 }, { 0x1c, 0x8d68 }, { 0, 0 }, }; int i; for (i = 0; dspcode[i].reg != 0; i++) PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); } static void brgphy_ber_bug(struct mii_softc *sc) { static const struct { int reg; uint16_t val; } dspcode[] = { { BRGPHY_MII_AUXCTL, 0x0c00 }, { BRGPHY_MII_DSP_ADDR_REG, 0x000a }, { BRGPHY_MII_DSP_RW_PORT, 0x310b }, { BRGPHY_MII_DSP_ADDR_REG, 0x201f }, { BRGPHY_MII_DSP_RW_PORT, 0x9506 }, { BRGPHY_MII_DSP_ADDR_REG, 0x401f }, { BRGPHY_MII_DSP_RW_PORT, 0x14e2 }, { BRGPHY_MII_AUXCTL, 0x0400 }, { 0, 0 }, }; int i; for (i = 0; dspcode[i].reg != 0; i++) PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); } /* BCM5701 A0/B0 CRC bug workaround */ static void brgphy_crc_bug(struct mii_softc *sc) { static const struct { int reg; uint16_t val; } dspcode[] = { { BRGPHY_MII_DSP_ADDR_REG, 0x0a75 }, { 0x1c, 0x8c68 }, { 0x1c, 0x8d68 }, { 0x1c, 0x8c68 }, { 0, 0 }, }; int i; for (i = 0; dspcode[i].reg != 0; i++) PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); } static void brgphy_disable_early_dac(struct mii_softc *sc) { uint16_t val; PHY_WRITE(sc, BRGPHY_MII_DSP_ADDR_REG, 0x0f08); PHY_READ(sc, BRGPHY_MII_DSP_RW_PORT, &val); val &= ~(1 << 8); PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT, val); } static void brgphy_jumbo_settings(struct mii_softc *sc) { uint16_t val; /* Set Jumbo frame settings in the PHY. */ if ((sc->mii_mpd_oui == MII_OUI_BROADCOM) && (sc->mii_mpd_model == MII_MODEL_BROADCOM_BCM5401)) { /* Cannot do read-modify-write on the BCM5401 */ PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x4c20); } else { PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7); PHY_READ(sc, BRGPHY_MII_AUXCTL, &val); PHY_WRITE(sc, BRGPHY_MII_AUXCTL, val & ~(BRGPHY_AUXCTL_LONG_PKT | 0x7)); } PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL, &val); PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL, val & ~BRGPHY_PHY_EXTCTL_HIGH_LA); } static void brgphy_eth_wirespeed(struct mii_softc *sc) { uint16_t val; /* Enable Ethernet@Wirespeed */ PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7007); PHY_READ(sc, BRGPHY_MII_AUXCTL, &val); PHY_WRITE(sc, BRGPHY_MII_AUXCTL, val | (1 << 15) | (1 << 4)); } static void brgphy_bcm54xx_clock_delay(struct mii_softc *sc) { uint16_t val; PHY_WRITE(sc, BRGPHY_MII_AUXCTL, BRGPHY_AUXCTL_SHADOW_MISC | BRGPHY_AUXCTL_SHADOW_MISC << BRGPHY_AUXCTL_MISC_READ_SHIFT); PHY_READ(sc, BRGPHY_MII_AUXCTL, &val); val &= BRGPHY_AUXCTL_MISC_DATA_MASK; if (sc->mii_flags & MIIF_RXID) val |= BRGPHY_AUXCTL_MISC_RGMII_SKEW_EN; else val &= ~BRGPHY_AUXCTL_MISC_RGMII_SKEW_EN; PHY_WRITE(sc, BRGPHY_MII_AUXCTL, BRGPHY_AUXCTL_MISC_WRITE_EN | BRGPHY_AUXCTL_SHADOW_MISC | val); PHY_WRITE(sc, BRGPHY_MII_SHADOW_1C, BRGPHY_SHADOW_1C_CLK_CTRL); PHY_READ(sc, BRGPHY_MII_SHADOW_1C, &val); val &= BRGPHY_SHADOW_1C_DATA_MASK; if (sc->mii_flags & MIIF_TXID) val |= BRGPHY_SHADOW_1C_GTXCLK_EN; else val &= ~BRGPHY_SHADOW_1C_GTXCLK_EN; PHY_WRITE(sc, BRGPHY_MII_SHADOW_1C, BRGPHY_SHADOW_1C_WRITE_EN | BRGPHY_SHADOW_1C_CLK_CTRL | val); }