From 628a67ab31008a27d039c01277f0886b86a2c515 Mon Sep 17 00:00:00 2001 From: thorpej Date: Thu, 31 May 2001 16:06:58 +0000 Subject: [PATCH] Add a driver for the NatSemi DP83891 and DP83861 Gig PHYTER 10/100/1000 PHYs. --- sys/dev/mii/files.mii | 6 +- sys/dev/mii/gphyter.c | 310 +++++++++++++++++++++++++++++++++++++++ sys/dev/mii/gphyterreg.h | 134 +++++++++++++++++ 3 files changed, 449 insertions(+), 1 deletion(-) create mode 100644 sys/dev/mii/gphyter.c create mode 100644 sys/dev/mii/gphyterreg.h diff --git a/sys/dev/mii/files.mii b/sys/dev/mii/files.mii index f74a26933ae6..0fe77ef1520c 100644 --- a/sys/dev/mii/files.mii +++ b/sys/dev/mii/files.mii @@ -1,4 +1,4 @@ -# $NetBSD: files.mii,v 1.19 2001/02/24 02:13:33 lukem Exp $ +# $NetBSD: files.mii,v 1.20 2001/05/31 16:06:58 thorpej Exp $ file dev/mii/mii.c mii @@ -22,6 +22,10 @@ device nsphyter: mii_phy attach nsphyter at mii file dev/mii/nsphyter.c nsphyter +device gphyter: mii_phy +attach gphyter at mii +file dev/mii/gphyter.c gphyter + device qsphy: mii_phy attach qsphy at mii file dev/mii/qsphy.c qsphy diff --git a/sys/dev/mii/gphyter.c b/sys/dev/mii/gphyter.c new file mode 100644 index 000000000000..a534ef7ad728 --- /dev/null +++ b/sys/dev/mii/gphyter.c @@ -0,0 +1,310 @@ +/* $NetBSD: gphyter.c,v 1.1 2001/05/31 16:06:58 thorpej 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation 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 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Manuel Bouyer. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * 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 National Semiconductor's DP83891 and DP83861 `Gig PHYTER' + * ethernet 10/100/1000 PHYs. The DP83891 is an older, non-firmware- + * driven version of the DP83861. + * + * Data Sheet available from www.national.com + */ + +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include +#include +#include + +#include + +int gphytermatch __P((struct device *, struct cfdata *, void *)); +void gphyterattach __P((struct device *, struct device *, void *)); + +struct cfattach gphyter_ca = { + sizeof(struct mii_softc), gphytermatch, gphyterattach, + mii_phy_detach, mii_phy_activate +}; + +int gphyter_service __P((struct mii_softc *, struct mii_data *, int)); +void gphyter_status __P((struct mii_softc *)); + +const struct mii_phy_funcs gphyter_funcs = { + gphyter_service, gphyter_status, mii_phy_reset, +}; + +int +gphytermatch(parent, match, aux) + struct device *parent; + struct cfdata *match; + void *aux; +{ + struct mii_attach_args *ma = aux; + + if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxNATSEMI && + MII_MODEL(ma->mii_id2) == MII_MODEL_xxNATSEMI_DP83861) + return (10); + + if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxNATSEMI && + MII_MODEL(ma->mii_id2) == MII_MODEL_xxNATSEMI_DP83891) + return (10); + + return (0); +} + +void +gphyterattach(parent, self, aux) + struct device *parent, *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 char *model; + uint16_t strap; + + switch (MII_MODEL(ma->mii_id2)) { + case MII_MODEL_xxNATSEMI_DP83861: + model = MII_STR_xxNATSEMI_DP83861; + break; + case MII_MODEL_xxNATSEMI_DP83891: + model = MII_STR_xxNATSEMI_DP83891; + break; + default: + printf("\n"); + panic("gphyterattach: impossible"); + } + + printf(": %s, rev. %d\n", model, MII_REV(ma->mii_id2)); + + sc->mii_inst = mii->mii_instance; + sc->mii_phy = ma->mii_phyno; + sc->mii_funcs = &gphyter_funcs; + sc->mii_pdata = mii; + sc->mii_flags = mii->mii_flags; + sc->mii_anegticks = 5; + + 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); + printf("%s: ", sc->mii_dev.dv_xname); + 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"); + + strap = PHY_READ(sc, MII_GPHYTER_STRAP); + printf("%s: strapped to %s mode", sc->mii_dev.dv_xname, + (strap & STRAP_MS_VAL) ? "master" : "slave"); + if (strap & STRAP_NC_MODE) + printf(", pre-C5 BCM5400 compat enabled"); + printf("\n"); +} + +int +gphyter_service(sc, mii, cmd) + struct mii_softc *sc; + struct mii_data *mii; + int cmd; +{ + struct ifmedia_entry *ife = mii->mii_media.ifm_cur; + int reg; + + 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) { + reg = 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; + + mii_phy_setmedia(sc); + 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; + + case MII_DOWN: + mii_phy_down(sc); + return (0); + } + + /* Update the media status. */ + mii_phy_status(sc); + + /* Callback if something changed. */ + mii_phy_update(sc, cmd); + return (0); +} + +void +gphyter_status(sc) + struct mii_softc *sc; +{ + struct mii_data *mii = sc->mii_pdata; + struct ifmedia_entry *ife = mii->mii_media.ifm_cur; + int bmsr, bmcr, physup, gtsr; + + mii->mii_media_status = IFM_AVALID; + mii->mii_media_active = IFM_ETHER; + + bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR); + + physup = PHY_READ(sc, MII_GPHYTER_PHY_SUP); + + if (physup & PHY_SUP_LINK) + mii->mii_media_status |= IFM_ACTIVE; + + bmcr = PHY_READ(sc, MII_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; + } + + switch (physup & (PHY_SUP_SPEED1|PHY_SUP_SPEED0)) { + case PHY_SUP_SPEED1: + mii->mii_media_active |= IFM_1000_TX; + break; + + case PHY_SUP_SPEED0: + mii->mii_media_active |= IFM_100_TX; + break; + + case 0: + mii->mii_media_active |= IFM_10_T; + break; + + default: + mii->mii_media_active |= IFM_NONE; + mii->mii_media_status = 0; + } + if (physup & PHY_SUP_DUPLEX) + mii->mii_media_active |= IFM_FDX; + + gtsr = PHY_READ(sc, MII_100T2SR); +#if 0 + if (gtsr & GTSR_MS_RES) + mii->mii_media_active |= IFM_MASTER; +#endif + } else + mii->mii_media_active = ife->ifm_media; +} diff --git a/sys/dev/mii/gphyterreg.h b/sys/dev/mii/gphyterreg.h new file mode 100644 index 000000000000..3e5e0bc36502 --- /dev/null +++ b/sys/dev/mii/gphyterreg.h @@ -0,0 +1,134 @@ +/* $NetBSD: gphyterreg.h,v 1.1 2001/05/31 16:06:58 thorpej Exp $ */ + +/*- + * Copyright (c) 2001 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Jason R. Thorpe. + * + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation 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 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. + */ + +#ifndef _DEV_MII_GPHYTERREG_H_ +#define _DEV_MII_GPHYTERREG_H_ + +/* + * DP83861 registers. + */ + +/* + * A quick node about "non-compliant mode": When set to 1, the + * DP83861 will auto-negotiate with both BCM5400 PHYs before rev. + * C5 and 802.3ab compliant PHYs. When set to 0, it will auto- + * negotiate *only* with 802.3ab compliant PHYs. We can change + * the setting, but the default comes from a strapping pin. + */ + +#define MII_GPHYTER_STRAP 0x10 /* strap options */ +#define STRAP_PHYADDR 0xf800 /* PHY address (ro) */ +#define STRAP_NC_MODE 0x0400 /* non-compliant mode (rw) */ +#define STRAP_MAN_MS_ENABLE 0x0200 /* manual master/slave enable (ro) */ +#define STRAP_AN_ENABLE 0x0100 /* auto-negotiation enable (ro) */ +#define STRAP_MS_VAL 0x0080 /* 1 = master, 0 = slave */ +#define STRAP_ADV_1000HDX 0x0010 /* adv. 1000T-HDX */ +#define STRAP_ADV_1000FDX 0x0008 /* adv. 1000T-FDX */ +#define STRAP_ADV_100 0x0004 /* adv. 100TX-HDX and 100TX-FDX */ +#define STRAP_SPEED1 0x0002 /* speed bit 1 */ +#define STRAP_SPEED0 0x0001 /* speed bit 0 */ + + +#define MII_GPHYTER_PHY_SUP 0x11 /* PHY support */ +#define PHY_SUP_SPEED1 0x0010 /* speed bit 1 */ +#define PHY_SUP_SPEED0 0x0008 /* speed bit 0 */ +#define PHY_SUP_LINK 0x0004 /* 1 == link */ +#define PHY_SUP_DUPLEX 0x0002 /* 1 == full-duplex */ +#define PHY_SUP_10baseT 0x0001 /* 10baseT resolved */ + + +#define MII_GPHYTER_MDIX_SEL 0x15 /* MIDX select */ +#define MIDX_SEL_CROSSOVER 0x0001 /* 1 == cross-over A-B */ + + +#define MII_GPHYTER_EX_MEM 0x16 /* expanded memory access */ +#define EX_MEM_RE_TIME 0x0008 /* Re-time to MDC */ +#define EX_MEM_ACCESS 0x0004 /* enable expanded mem access */ +#define EX_MEM_ADDRCONTROL_16 0x0002 /* 16-bit access */ +#define EX_MEM_ADDRCONTROL_8 0x0001 /* 8-bit access */ + + +#define MII_GPHYTER_EX_MEM_DAT 0x1d /* expanded memory data */ + + +#define MII_GPHYTER_EX_MEM_ADDR 0x1e /* expanded memory address */ + + +#define GPHYTER_ISR0 0x810d /* interrupt status 0 */ + + +#define GPHYTER_ISR1 0x810e /* interrupt status 1 */ + + +#define GPHYTER_IRR0 0x810f /* interrupt reason 0 */ + + +#define GPHYTER_IRR1 0x8110 /* interrupt reason 1 */ + + +#define GPHYTER_RRR0 0x8111 /* raw reason 0 */ + + +#define GPHYTER_RRR1 0x8112 /* raw reason 1 */ + + +#define GPHYTER_IER0 0x8113 /* interrupt enable 0 */ + + +#define GPHYTER_IER1 0x8114 /* interrupt enable 1 */ + + +#define GPHYTER_ICLR0 0x8115 /* interrupt clear 0 */ + + +#define GPHYTER_ICLR1 0x8116 /* interrupt clear 1 */ + + +#define GPHYTER_ICTR 0x8117 /* interrupt control */ + + +#define GPHYTER_AN_THRESH 0x8118 /* AN_threshold value */ + + +#define GPHYTER_LINK_THRESH 0x8119 /* LINK_threshold value */ + + +#define GPHYTER_IEC_THRESH 0x811a /* IEC_threshold value */ + + +#endif /* _DEV_MII_GPHYTERREG_H_ */