diff options
-rw-r--r-- | sys/dev/mii/truephy.c | 355 | ||||
-rw-r--r-- | sys/dev/mii/truephyreg.h | 64 |
2 files changed, 419 insertions, 0 deletions
diff --git a/sys/dev/mii/truephy.c b/sys/dev/mii/truephy.c new file mode 100644 index 0000000..f5de6c4 --- /dev/null +++ b/sys/dev/mii/truephy.c @@ -0,0 +1,355 @@ +/*- + * 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_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 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), + { 0, 0 } +}; + +static const struct mii_phydesc truephys[] = { + 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 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; + struct mii_attach_args *ma; + struct mii_data *mii; + + sc = device_get_softc(dev); + ma = device_get_ivars(dev); + + sc->mii_phy = ma->mii_phyno; + if (sc->mii_anegticks == 0) + sc->mii_anegticks = MII_ANEGTICKS; + sc->mii_dev = device_get_parent(dev); + mii = device_get_softc(sc->mii_dev); + LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list); + + sc->mii_inst = mii->mii_instance; + sc->mii_phy = ma->mii_phyno; + sc->mii_service = truephy_service; + sc->mii_pdata = mii; + + sc->mii_flags |= MIIF_NOISOLATE | MIIF_NOLOOP; + + mii->mii_instance++; + + truephy_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; + } + + device_printf(dev, " "); + if ((sc->mii_capabilities & BMSR_MEDIAMASK) == 0 && + (sc->mii_extcapabilities & EXTSR_MEDIAMASK) == 0) + printf("no media present"); + else + 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: + /* + * 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. */ + truephy_status(sc); + + /* Callback if something changed. */ + mii_phy_update(sc, cmd); + return 0; +} + +static void +truephy_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, 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); + +#define N(arr) (int)(sizeof(arr) / sizeof(arr[0])) + + for (i = 0; i < N(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); + } + +#undef N + + 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 (FRAMELEN(sc->mii_pdata->mii_ifp->if_mtu) > 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; + else + mii->mii_media_active |= IFM_HDX; +} diff --git a/sys/dev/mii/truephyreg.h b/sys/dev/mii/truephyreg.h new file mode 100644 index 0000000..d7e3551 --- /dev/null +++ b/sys/dev/mii/truephyreg.h @@ -0,0 +1,64 @@ +/*- + * 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/truephyreg.h,v 1.2 2007/10/23 14:28:42 sephe Exp $ + * $FreeBSD$ + */ + +#ifndef _MII_TRUEPHYREG_H +#define _MII_TRUEPHYREG_H + +#define TRUEPHY_INDEX 0x10 /* XXX reserved in DS */ +#define TRUEPHY_INDEX_MAGIC 0x402 +#define TRUEPHY_DATA 0x11 /* XXX reserved in DS */ + +#define TRUEPHY_CTRL 0x12 +#define TRUEPHY_CTRL_DIAG 0x0004 +#define TRUEPHY_CTRL_RSV1 0x0002 /* XXX reserved */ +#define TRUEPHY_CTRL_RSV0 0x0001 /* XXX reserved */ + +#define TRUEPHY_CONF 0x16 +#define TRUEPHY_CONF_TXFIFO_MASK 0x3000 +#define TRUEPHY_CONF_TXFIFO_8 0x0000 +#define TRUEPHY_CONF_TXFIFO_16 0x1000 +#define TRUEPHY_CONF_TXFIFO_24 0x2000 +#define TRUEPHY_CONF_TXFIFO_32 0x3000 + +#define TRUEPHY_SR 0x1a +#define TRUEPHY_SR_SPD_MASK 0x0300 +#define TRUEPHY_SR_SPD_1000T 0x0200 +#define TRUEPHY_SR_SPD_100TX 0x0100 +#define TRUEPHY_SR_SPD_10T 0x0000 +#define TRUEPHY_SR_FDX 0x0080 + +#endif /* !_MII_TRUEPHYREG_H */ |