/* $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 #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 int etphy_service(struct mii_softc *, struct mii_data *, int); void etphy_attach(struct device *, struct device *, void *); int etphy_match(struct device *, void *, void *); void etphy_reset(struct mii_softc *); void etphy_status(struct mii_softc *); const struct mii_phy_funcs etphy_funcs = { etphy_service, etphy_status, etphy_reset, }; static const struct mii_phydesc etphys[] = { { MII_OUI_AGERE, MII_MODEL_AGERE_ET1011, MII_STR_AGERE_ET1011 }, { 0, 0, NULL }, }; struct cfattach etphy_ca = { sizeof (struct mii_softc), etphy_match, etphy_attach, mii_phy_detach, mii_phy_activate }; struct cfdriver etphy_cd = { NULL, "etphy", DV_DULL }; 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 */ }; int etphy_match(struct device *parent, void *match, void *aux) { struct mii_attach_args *ma = aux; if (mii_phy_match(ma, etphys) != NULL) return (10); return (0); } void etphy_attach(struct device *parent, struct device *self, void *aux) { struct mii_softc *sc = (struct mii_softc *)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); printf(": %s, rev. %d\n", mpd->mpd_name, MII_REV(ma->mii_id2)); sc->mii_inst = mii->mii_instance; sc->mii_phy = ma->mii_phyno; sc->mii_funcs = &etphy_funcs; sc->mii_model = MII_MODEL(ma->mii_id2); sc->mii_pdata = mii; sc->mii_flags = ma->mii_flags; sc->mii_flags |= MIIF_NOISOLATE | MIIF_NOLOOP; 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); /* No 1000baseT half-duplex support */ sc->mii_extcapabilities &= ~EXTSR_1000THDX; } mii_phy_add_media(sc); } int etphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd) { struct ifmedia_entry *ife = mii->mii_media.ifm_cur; int bmcr; 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; if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) { bmcr = PHY_READ(sc, MII_BMCR) & ~BMCR_AUTOEN; PHY_WRITE(sc, MII_BMCR, bmcr); PHY_WRITE(sc, MII_BMCR, bmcr | BMCR_PDOWN); } mii_phy_setmedia(sc); if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) { bmcr = PHY_READ(sc, MII_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; } void etphy_reset(struct mii_softc *sc) { int i; 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); } void etphy_status(struct mii_softc *sc) { struct mii_data *mii = sc->mii_pdata; int bmsr, bmcr, sr; mii->mii_media_status = IFM_AVALID; mii->mii_media_active = IFM_ETHER; sr = PHY_READ(sc, ETPHY_SR); bmcr = PHY_READ(sc, MII_BMCR); bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_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; else mii->mii_media_active |= IFM_HDX; }