/*- * Copyright (c) 2007 The DragonFly Project. All rights reserved. * * This code is derived from software contributed to The DragonFly Project * by Sepherosa Ziehau <sepherosa@gmail.com> * * 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 1.3 2008/02/10 07:29:27 sephe Exp $ * $FreeBSD$ */ #include <sys/param.h> #include <sys/systm.h> #include <sys/kernel.h> #include <sys/socket.h> #include <sys/errno.h> #include <sys/module.h> #include <sys/bus.h> #include <net/if.h> #include <net/if_var.h> #include <net/if_media.h> #include <net/if_arp.h> #include <net/ethernet.h> #include <net/if_vlan_var.h> #include <dev/mii/mii.h> #include <dev/mii/miivar.h> #include "miidevs.h" #include <dev/mii/truephyreg.h> #include "miibus_if.h" #define TRUEPHY_FRAMELEN(mtu) \ (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN + (mtu) + ETHER_CRC_LEN) static int truephy_service(struct mii_softc *, struct mii_data *, int); static int truephy_attach(device_t); static int truephy_probe(device_t); static void truephy_reset(struct mii_softc *); static void truephy_status(struct mii_softc *); static device_method_t truephy_methods[] = { /* device interface */ DEVMETHOD(device_probe, truephy_probe), DEVMETHOD(device_attach, truephy_attach), DEVMETHOD(device_detach, mii_phy_detach), DEVMETHOD(device_shutdown, bus_generic_shutdown), DEVMETHOD_END }; static const struct mii_phydesc truephys[] = { MII_PHY_DESC(AGERE, ET1011), MII_PHY_DESC(AGERE, ET1011C), MII_PHY_END }; static devclass_t truephy_devclass; static driver_t truephy_driver = { "truephy", truephy_methods, sizeof(struct mii_softc) }; DRIVER_MODULE(truephy, miibus, truephy_driver, truephy_devclass, 0, 0); static const struct mii_phy_funcs truephy_funcs = { truephy_service, truephy_status, truephy_reset }; static const struct truephy_dsp { uint16_t index; uint16_t data; } truephy_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 truephy_probe(device_t dev) { return (mii_phy_dev_probe(dev, truephys, BUS_PROBE_DEFAULT)); } static int truephy_attach(device_t dev) { struct mii_softc *sc; sc = device_get_softc(dev); mii_phy_dev_attach(dev, MIIF_NOISOLATE | MIIF_NOMANPAUSE, &truephy_funcs, 0); PHY_RESET(sc); sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & sc->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; } device_printf(dev, " "); mii_phy_add_media(sc); printf("\n"); MIIBUS_MEDIAINIT(sc->mii_dev); return (0); } static int truephy_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: break; case MII_MEDIACHG: 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 (mii_phy_tick(sc) == EJUSTRETURN) return (0); break; } /* Update the media status. */ PHY_STATUS(sc); /* Callback if something changed. */ mii_phy_update(sc, cmd); return (0); } static void truephy_reset(struct mii_softc *sc) { int i; 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, TRUEPHY_CTRL); PHY_WRITE(sc, TRUEPHY_CTRL, TRUEPHY_CTRL_DIAG | TRUEPHY_CTRL_RSV1); PHY_WRITE(sc, TRUEPHY_INDEX, TRUEPHY_INDEX_MAGIC); PHY_READ(sc, TRUEPHY_DATA); PHY_WRITE(sc, TRUEPHY_CTRL, TRUEPHY_CTRL_RSV1); } PHY_READ(sc, MII_BMCR); PHY_READ(sc, TRUEPHY_CTRL); PHY_WRITE(sc, MII_BMCR, BMCR_AUTOEN | BMCR_PDOWN | BMCR_S1000); PHY_WRITE(sc, TRUEPHY_CTRL, TRUEPHY_CTRL_DIAG | TRUEPHY_CTRL_RSV1 | TRUEPHY_CTRL_RSV0); for (i = 0; i < nitems(truephy_dspcode); ++i) { const struct truephy_dsp *dsp = &truephy_dspcode[i]; PHY_WRITE(sc, TRUEPHY_INDEX, dsp->index); PHY_WRITE(sc, TRUEPHY_DATA, dsp->data); PHY_WRITE(sc, TRUEPHY_INDEX, dsp->index); PHY_READ(sc, TRUEPHY_DATA); } PHY_READ(sc, MII_BMCR); PHY_READ(sc, TRUEPHY_CTRL); PHY_WRITE(sc, MII_BMCR, BMCR_AUTOEN | BMCR_S1000); PHY_WRITE(sc, TRUEPHY_CTRL, TRUEPHY_CTRL_RSV1); mii_phy_reset(sc); if (TRUEPHY_FRAMELEN((if_getmtu(sc->mii_pdata->mii_ifp)) > 2048)) { int conf; conf = PHY_READ(sc, TRUEPHY_CONF); conf &= ~TRUEPHY_CONF_TXFIFO_MASK; conf |= TRUEPHY_CONF_TXFIFO_24; PHY_WRITE(sc, TRUEPHY_CONF, conf); } } static void truephy_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, TRUEPHY_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 & TRUEPHY_SR_SPD_MASK) { case TRUEPHY_SR_SPD_1000T: mii->mii_media_active |= IFM_1000_T; break; case TRUEPHY_SR_SPD_100TX: mii->mii_media_active |= IFM_100_TX; break; case TRUEPHY_SR_SPD_10T: mii->mii_media_active |= IFM_10_T; break; default: /* XXX will this ever happen? */ printf("invalid media SR %#x\n", sr); mii->mii_media_active |= IFM_NONE; return; } if (sr & TRUEPHY_SR_FDX) mii->mii_media_active |= IFM_FDX | mii_phy_flowstatus(sc); else mii->mii_media_active |= IFM_HDX; }