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[src/trunk]: src/sys/dev/mii Add a driver for the NatSemi DP83891 and DP83861...
details: https://anonhg.NetBSD.org/src/rev/27b0f59cfdac
branches: trunk
changeset: 510529:27b0f59cfdac
user: thorpej <thorpej%NetBSD.org@localhost>
date: Thu May 31 16:06:58 2001 +0000
description:
Add a driver for the NatSemi DP83891 and DP83861 Gig PHYTER
10/100/1000 PHYs.
diffstat:
sys/dev/mii/files.mii | 6 +-
sys/dev/mii/gphyter.c | 310 +++++++++++++++++++++++++++++++++++++++++++++++
sys/dev/mii/gphyterreg.h | 134 ++++++++++++++++++++
3 files changed, 449 insertions(+), 1 deletions(-)
diffs (truncated from 472 to 300 lines):
diff -r 14f32b3892f4 -r 27b0f59cfdac sys/dev/mii/files.mii
--- a/sys/dev/mii/files.mii Thu May 31 16:02:29 2001 +0000
+++ b/sys/dev/mii/files.mii Thu May 31 16:06:58 2001 +0000
@@ -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 @@
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 -r 14f32b3892f4 -r 27b0f59cfdac sys/dev/mii/gphyter.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/dev/mii/gphyter.c Thu May 31 16:06:58 2001 +0000
@@ -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 <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/device.h>
+#include <sys/malloc.h>
+#include <sys/socket.h>
+#include <sys/errno.h>
+
+#include <net/if.h>
+#include <net/if_media.h>
+
+#include <dev/mii/mii.h>
+#include <dev/mii/miivar.h>
+#include <dev/mii/miidevs.h>
+
+#include <dev/mii/gphyterreg.h>
+
+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).
+ */
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