/* $NetBSD: etphy.c,v 1.9 2020/03/15 23:04:50 thorpej Exp $ */ /* $OpenBSD: etphy.c,v 1.4 2008/04/02 20:12:58 brad Exp $ */ /* * Copyright (c) 2007 The DragonFly Project. All rights reserved. * * This code is derived from software contributed to The DragonFly Project * by Sepherosa Ziehau * * 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. * 3. Neither the name of The DragonFly Project nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific, prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 * COPYRIGHT HOLDERS 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. * * $DragonFly: src/sys/dev/netif/mii_layer/truephy.c,v 1.1 2007/10/12 14:12:42 sephe Exp $ */ #include __KERNEL_RCSID(0, "$NetBSD: etphy.c,v 1.9 2020/03/15 23:04:50 thorpej Exp $"); #include #include #include #include #include #include #include #include #include #include #define ETPHY_INDEX 0x10 /* XXX reserved in DS */ #define ETPHY_INDEX_MAGIC 0x402 #define ETPHY_DATA 0x11 /* XXX reserved in DS */ #define ETPHY_CTRL 0x12 #define ETPHY_CTRL_DIAG 0x0004 #define ETPHY_CTRL_RSV1 0x0002 /* XXX reserved */ #define ETPHY_CTRL_RSV0 0x0001 /* XXX reserved */ #define ETPHY_CONF 0x16 #define ETPHY_CONF_TXFIFO_MASK 0x3000 #define ETPHY_CONF_TXFIFO_8 0x0000 #define ETPHY_CONF_TXFIFO_16 0x1000 #define ETPHY_CONF_TXFIFO_24 0x2000 #define ETPHY_CONF_TXFIFO_32 0x3000 #define ETPHY_SR 0x1a #define ETPHY_SR_SPD_MASK 0x0300 #define ETPHY_SR_SPD_1000T 0x0200 #define ETPHY_SR_SPD_100TX 0x0100 #define ETPHY_SR_SPD_10T 0x0000 #define ETPHY_SR_FDX 0x0080 static int etphy_service(struct mii_softc *, struct mii_data *, int); static void etphy_attach(device_t, device_t, void *); static int etphy_match(device_t, cfdata_t, void *); static void etphy_reset(struct mii_softc *); static void etphy_status(struct mii_softc *); static const struct mii_phy_funcs etphy_funcs = { etphy_service, etphy_status, etphy_reset, }; static const struct mii_phydesc etphys[] = { MII_PHY_DESC(AGERE, ET1011), MII_PHY_DESC(AGERE, ET1011C), MII_PHY_END, }; CFATTACH_DECL_NEW(etphy, sizeof(struct mii_softc), etphy_match, etphy_attach, mii_phy_detach, mii_phy_activate); static const struct etphy_dsp { uint16_t index; uint16_t data; } etphy_dspcode[] = { { 0x880b, 0x0926 }, /* AfeIfCreg4B1000Msbs */ { 0x880c, 0x0926 }, /* AfeIfCreg4B100Msbs */ { 0x880d, 0x0926 }, /* AfeIfCreg4B10Msbs */ { 0x880e, 0xb4d3 }, /* AfeIfCreg4B1000Lsbs */ { 0x880f, 0xb4d3 }, /* AfeIfCreg4B100Lsbs */ { 0x8810, 0xb4d3 }, /* AfeIfCreg4B10Lsbs */ { 0x8805, 0xb03e }, /* AfeIfCreg3B1000Msbs */ { 0x8806, 0xb03e }, /* AfeIfCreg3B100Msbs */ { 0x8807, 0xff00 }, /* AfeIfCreg3B10Msbs */ { 0x8808, 0xe090 }, /* AfeIfCreg3B1000Lsbs */ { 0x8809, 0xe110 }, /* AfeIfCreg3B100Lsbs */ { 0x880a, 0x0000 }, /* AfeIfCreg3B10Lsbs */ { 0x300d, 1 }, /* DisableNorm */ { 0x280c, 0x0180 }, /* LinkHoldEnd */ { 0x1c21, 0x0002 }, /* AlphaM */ { 0x3821, 6 }, /* FfeLkgTx0 */ { 0x381d, 1 }, /* FfeLkg1g4 */ { 0x381e, 1 }, /* FfeLkg1g5 */ { 0x381f, 1 }, /* FfeLkg1g6 */ { 0x3820, 1 }, /* FfeLkg1g7 */ { 0x8402, 0x01f0 }, /* Btinact */ { 0x800e, 20 }, /* LftrainTime */ { 0x800f, 24 }, /* DvguardTime */ { 0x8010, 46 } /* IdlguardTime */ }; static int etphy_match(device_t parent, cfdata_t match, void *aux) { struct mii_attach_args *ma = aux; if (mii_phy_match(ma, etphys) != NULL) return 10; return 0; } static void etphy_attach(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; mpd = mii_phy_match(ma, etphys); 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_funcs = &etphy_funcs; sc->mii_mpd_model = MII_MODEL(ma->mii_id2); sc->mii_pdata = mii; sc->mii_flags = ma->mii_flags; sc->mii_flags |= MIIF_NOISOLATE | MIIF_NOLOOP; 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); /* No 1000baseT half-duplex support */ sc->mii_extcapabilities &= ~EXTSR_1000THDX; } mii_unlock(mii); mii_phy_add_media(sc); } static int etphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd) { struct ifmedia_entry *ife = mii->mii_media.ifm_cur; uint16_t bmcr; 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, &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; if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) { PHY_READ(sc, MII_BMCR, &bmcr); bmcr &= ~BMCR_AUTOEN; PHY_WRITE(sc, MII_BMCR, bmcr); PHY_WRITE(sc, MII_BMCR, bmcr | BMCR_PDOWN); } else { /* * Issue reset before configuring autonego. * XXX Is this required? */ PHY_RESET(sc); } mii_phy_setmedia(sc); if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) { PHY_READ(sc, MII_BMCR, &bmcr); bmcr &= ~BMCR_PDOWN; PHY_WRITE(sc, MII_BMCR, bmcr); if (IFM_SUBTYPE(ife->ifm_media) == IFM_1000_T) { PHY_WRITE(sc, MII_BMCR, bmcr | BMCR_AUTOEN | BMCR_STARTNEG); } } 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; } /* Update the media status. */ mii_phy_status(sc); /* Callback if something changed. */ mii_phy_update(sc, cmd); return 0; } static void etphy_reset(struct mii_softc *sc) { uint16_t reg; int i; KASSERT(mii_locked(sc->mii_pdata)); if (sc->mii_mpd_model == MII_MODEL_AGERE_ET1011) { mii_phy_reset(sc); return; } for (i = 0; i < 2; ++i) { PHY_READ(sc, MII_PHYIDR1, ®); PHY_READ(sc, MII_PHYIDR2, ®); PHY_READ(sc, ETPHY_CTRL, ®); PHY_WRITE(sc, ETPHY_CTRL, ETPHY_CTRL_DIAG | ETPHY_CTRL_RSV1); PHY_WRITE(sc, ETPHY_INDEX, ETPHY_INDEX_MAGIC); PHY_READ(sc, ETPHY_DATA, ®); PHY_WRITE(sc, ETPHY_CTRL, ETPHY_CTRL_RSV1); } PHY_READ(sc, MII_BMCR, ®); PHY_READ(sc, ETPHY_CTRL, ®); PHY_WRITE(sc, MII_BMCR, BMCR_AUTOEN | BMCR_PDOWN | BMCR_S1000); PHY_WRITE(sc, ETPHY_CTRL, ETPHY_CTRL_DIAG | ETPHY_CTRL_RSV1 | ETPHY_CTRL_RSV0); #define N(arr) (int)(sizeof(arr) / sizeof(arr[0])) for (i = 0; i < N(etphy_dspcode); ++i) { const struct etphy_dsp *dsp = &etphy_dspcode[i]; PHY_WRITE(sc, ETPHY_INDEX, dsp->index); PHY_WRITE(sc, ETPHY_DATA, dsp->data); PHY_WRITE(sc, ETPHY_INDEX, dsp->index); PHY_READ(sc, ETPHY_DATA, ®); } #undef N PHY_READ(sc, MII_BMCR, ®); PHY_READ(sc, ETPHY_CTRL, ®); PHY_WRITE(sc, MII_BMCR, BMCR_AUTOEN | BMCR_S1000); PHY_WRITE(sc, ETPHY_CTRL, ETPHY_CTRL_RSV1); mii_phy_reset(sc); } static void etphy_status(struct mii_softc *sc) { struct mii_data *mii = sc->mii_pdata; uint16_t bmsr, bmcr, sr; KASSERT(mii_locked(mii)); mii->mii_media_status = IFM_AVALID; mii->mii_media_active = IFM_ETHER; PHY_READ(sc, ETPHY_SR, &sr); PHY_READ(sc, MII_BMCR, &bmcr); PHY_READ(sc, MII_BMSR, &bmsr); PHY_READ(sc, MII_BMSR, &bmsr); if (bmsr & BMSR_LINK) mii->mii_media_status |= IFM_ACTIVE; if (bmcr & BMCR_AUTOEN) { if ((bmsr & BMSR_ACOMP) == 0) { mii->mii_media_active |= IFM_NONE; return; } } switch (sr & ETPHY_SR_SPD_MASK) { case ETPHY_SR_SPD_1000T: mii->mii_media_active |= IFM_1000_T; break; case ETPHY_SR_SPD_100TX: mii->mii_media_active |= IFM_100_TX; break; case ETPHY_SR_SPD_10T: mii->mii_media_active |= IFM_10_T; break; default: mii->mii_media_active |= IFM_NONE; return; } if (sr & ETPHY_SR_FDX) mii->mii_media_active |= IFM_FDX | mii_phy_flowstatus(sc); else mii->mii_media_active |= IFM_HDX; }