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authorJoel Sherrill <joel.sherrill@oarcorp.com>2012-03-22 08:02:26 -0500
committerJoel Sherrill <joel.sherrill@oarcorp.com>2012-03-22 08:02:26 -0500
commit5ad09a161d646b68cb249d064ac618dcbb41a899 (patch)
treef45267e5818e114d8956628e27247ea838ee2b0e /freebsd/dev/dc/pnphy.c
parentAdd smp variables used by e1000 and remove unneeded ifdefs (diff)
downloadrtems-libbsd-5ad09a161d646b68cb249d064ac618dcbb41a899.tar.bz2
Add DEC Tulip, Broadcomm (bce, bfe, bge), and SMC 9111x NICs
Diffstat (limited to 'freebsd/dev/dc/pnphy.c')
-rw-r--r--freebsd/dev/dc/pnphy.c243
1 files changed, 243 insertions, 0 deletions
diff --git a/freebsd/dev/dc/pnphy.c b/freebsd/dev/dc/pnphy.c
new file mode 100644
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--- /dev/null
+++ b/freebsd/dev/dc/pnphy.c
@@ -0,0 +1,243 @@
+#include <freebsd/machine/rtems-bsd-config.h>
+
+/*
+ * Copyright (c) 1997, 1998, 1999
+ * Bill Paul <wpaul@ee.columbia.edu>. 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 Bill Paul.
+ * 4. Neither the name of the author nor the names of any co-contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul OR THE VOICES IN HIS HEAD
+ * 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.
+ */
+
+#include <freebsd/sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+/*
+ * Pseudo-driver for media selection on the Lite-On PNIC 82c168
+ * chip. The NWAY support on this chip is horribly broken, so we
+ * only support manual mode selection. This is lame, but getting
+ * NWAY to work right is amazingly difficult.
+ */
+
+#include <freebsd/sys/param.h>
+#include <freebsd/sys/systm.h>
+#include <freebsd/sys/kernel.h>
+#include <freebsd/sys/socket.h>
+#include <freebsd/sys/errno.h>
+#include <freebsd/sys/lock.h>
+#include <freebsd/sys/module.h>
+#include <freebsd/sys/mutex.h>
+#include <freebsd/sys/bus.h>
+
+#include <freebsd/net/if.h>
+#include <freebsd/net/if_arp.h>
+#include <freebsd/net/if_media.h>
+
+#include <freebsd/dev/mii/mii.h>
+#include <freebsd/dev/mii/miivar.h>
+#include <freebsd/local/miidevs.h>
+
+#include <freebsd/machine/bus.h>
+#include <freebsd/machine/resource.h>
+#include <freebsd/sys/bus.h>
+
+#include <freebsd/dev/dc/if_dcreg.h>
+
+#include <freebsd/local/miibus_if.h>
+
+#define DC_SETBIT(sc, reg, x) \
+ CSR_WRITE_4(sc, reg, \
+ CSR_READ_4(sc, reg) | x)
+
+#define DC_CLRBIT(sc, reg, x) \
+ CSR_WRITE_4(sc, reg, \
+ CSR_READ_4(sc, reg) & ~x)
+
+static int pnphy_probe(device_t);
+static int pnphy_attach(device_t);
+
+static device_method_t pnphy_methods[] = {
+ /* device interface */
+ DEVMETHOD(device_probe, pnphy_probe),
+ DEVMETHOD(device_attach, pnphy_attach),
+ DEVMETHOD(device_detach, mii_phy_detach),
+ DEVMETHOD(device_shutdown, bus_generic_shutdown),
+ { 0, 0 }
+};
+
+static devclass_t pnphy_devclass;
+
+static driver_t pnphy_driver = {
+ "pnphy",
+ pnphy_methods,
+ sizeof(struct mii_softc)
+};
+
+DRIVER_MODULE(pnphy, miibus, pnphy_driver, pnphy_devclass, 0, 0);
+
+static int pnphy_service(struct mii_softc *, struct mii_data *, int);
+static void pnphy_status(struct mii_softc *);
+
+static int
+pnphy_probe(device_t dev)
+{
+ struct mii_attach_args *ma;
+
+ ma = device_get_ivars(dev);
+
+ /*
+ * The dc driver will report the 82c168 vendor and device
+ * ID to let us know that it wants us to attach.
+ */
+ if (ma->mii_id1 != DC_VENDORID_LO ||
+ ma->mii_id2 != DC_DEVICEID_82C168)
+ return (ENXIO);
+
+ device_set_desc(dev, "PNIC 82c168 media interface");
+
+ return (BUS_PROBE_DEFAULT);
+}
+
+static int
+pnphy_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_dev = device_get_parent(dev);
+ mii = ma->mii_data;
+ LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
+
+ sc->mii_flags = miibus_get_flags(dev);
+ sc->mii_inst = mii->mii_instance++;
+ sc->mii_phy = ma->mii_phyno;
+ sc->mii_service = pnphy_service;
+ sc->mii_pdata = mii;
+
+ /*
+ * Apparently, we can neither isolate nor do loopback.
+ */
+ sc->mii_flags |= MIIF_NOISOLATE | MIIF_NOLOOP;
+
+ sc->mii_capabilities =
+ BMSR_100TXFDX | BMSR_100TXHDX | BMSR_10TFDX | BMSR_10THDX;
+ sc->mii_capabilities &= ma->mii_capmask;
+ device_printf(dev, " ");
+ mii_phy_add_media(sc);
+ printf("\n");
+
+ MIIBUS_MEDIAINIT(sc->mii_dev);
+ return (0);
+}
+
+static int
+pnphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
+{
+ struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
+
+ switch (cmd) {
+ case MII_POLLSTAT:
+ break;
+
+ case MII_MEDIACHG:
+ /*
+ * If the interface is not up, don't do anything.
+ */
+ if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
+ break;
+
+ switch (IFM_SUBTYPE(ife->ifm_media)) {
+ case IFM_AUTO:
+ /* NWAY is busted on this chip */
+ case IFM_100_T4:
+ /*
+ * XXX Not supported as a manual setting right now.
+ */
+ return (EINVAL);
+ case IFM_100_TX:
+ mii->mii_media_active = IFM_ETHER | IFM_100_TX;
+ if ((ife->ifm_media & IFM_GMASK) == IFM_FDX)
+ mii->mii_media_active |= IFM_FDX;
+ MIIBUS_STATCHG(sc->mii_dev);
+ return (0);
+ case IFM_10_T:
+ mii->mii_media_active = IFM_ETHER | IFM_10_T;
+ if ((ife->ifm_media & IFM_GMASK) == IFM_FDX)
+ mii->mii_media_active |= IFM_FDX;
+ MIIBUS_STATCHG(sc->mii_dev);
+ return (0);
+ default:
+ return (EINVAL);
+ }
+ break;
+
+ case MII_TICK:
+ /*
+ * Is the interface even up?
+ */
+ if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
+ return (0);
+
+ break;
+ }
+
+ /* Update the media status. */
+ pnphy_status(sc);
+
+ /* Callback if something changed. */
+ mii_phy_update(sc, cmd);
+ return (0);
+}
+
+static void
+pnphy_status(struct mii_softc *sc)
+{
+ struct mii_data *mii = sc->mii_pdata;
+ int reg;
+ struct dc_softc *dc_sc;
+
+ dc_sc = mii->mii_ifp->if_softc;
+
+ mii->mii_media_status = IFM_AVALID;
+ mii->mii_media_active = IFM_ETHER;
+
+ reg = CSR_READ_4(dc_sc, DC_ISR);
+
+ if (!(reg & DC_ISR_LINKFAIL))
+ mii->mii_media_status |= IFM_ACTIVE;
+
+ if (CSR_READ_4(dc_sc, DC_NETCFG) & DC_NETCFG_SPEEDSEL)
+ mii->mii_media_active |= IFM_10_T;
+ else
+ mii->mii_media_active |= IFM_100_TX;
+ if (CSR_READ_4(dc_sc, DC_NETCFG) & DC_NETCFG_FULLDUPLEX)
+ mii->mii_media_active |= IFM_FDX;
+ else
+ mii->mii_media_active |= IFM_HDX;
+}