[1/6]add ar8031 or ar 8035 phy support
yao0718
29171383 at qq.com
Tue Jul 5 07:14:05 UTC 2016
diff -ruN ./rtems-libbsd/freebsd/sys/dev/mii/atphy.c ./am335x_bsp/rtems-libbsd/freebsd/sys/dev/mii/atphy.c
--- ./rtems-libbsd/freebsd/sys/dev/mii/atphy.c 1970-01-01 08:00:00.000000000 +0800
+++ ./am335x_bsp/rtems-libbsd/freebsd/sys/dev/mii/atphy.c 2016-07-05 10:57:44.540734400 +0800
@@ -0,0 +1,378 @@
+#include <machine/rtems-bsd-kernel-space.h>
+
+/*-
+ * Copyright (c) 2008, Pyun YongHyeon <yongari at FreeBSD.org>
+ * 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 unmodified, 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+/*
+ * Driver for the Attansic/Atheros F1 10/100/1000 PHY.
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/socket.h>
+#include <sys/bus.h>
+
+#include <net/if.h>
+#include <net/if_media.h>
+
+#include <dev/mii/mii.h>
+#include <dev/mii/miivar.h>
+#include <rtems/bsd/local/miidevs.h>
+
+#include <dev/mii/atphyreg.h>
+
+#include <rtems/bsd/local/miibus_if.h>
+
+static int atphy_probe(device_t);
+static int atphy_attach(device_t);
+
+static device_method_t atphy_methods[] = {
+ /* Device interface. */
+ DEVMETHOD(device_probe, atphy_probe),
+ DEVMETHOD(device_attach, atphy_attach),
+ DEVMETHOD(device_detach, mii_phy_detach),
+ DEVMETHOD(device_shutdown, bus_generic_shutdown),
+ DEVMETHOD_END
+};
+
+static devclass_t atphy_devclass;
+static driver_t atphy_driver = {
+ "atphy",
+ atphy_methods,
+ sizeof(struct mii_softc)
+};
+
+DRIVER_MODULE(atphy, miibus, atphy_driver, atphy_devclass, 0, 0);
+
+static int atphy_service(struct mii_softc *, struct mii_data *, int);
+static void atphy_status(struct mii_softc *);
+static void atphy_reset(struct mii_softc *);
+static uint16_t atphy_anar(struct ifmedia_entry *);
+static int atphy_setmedia(struct mii_softc *, int);
+
+static const struct mii_phydesc atphys[] = {
+ MII_PHY_DESC(xxATHEROS, F1),
+ MII_PHY_DESC(xxATHEROS, F1_7),
+ MII_PHY_DESC(xxATHEROS, AR8021),
+/* MII_PHY_DESC(xxATHEROS, AR8035),*/
+ MII_PHY_DESC(xxATHEROS, F2),
+ MII_PHY_END
+};
+
+static const struct mii_phy_funcs atphy_funcs = {
+ atphy_service,
+ atphy_status,
+ atphy_reset
+};
+
+static int
+atphy_probe(device_t dev)
+{
+
+ return (mii_phy_dev_probe(dev, atphys, BUS_PROBE_DEFAULT));
+}
+
+static int
+atphy_attach(device_t dev)
+{
+
+ mii_phy_dev_attach(dev, MIIF_NOMANPAUSE, &atphy_funcs, 1);
+ return (0);
+}
+
+static int
+atphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
+{
+ struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
+ uint16_t anar, bmcr, bmsr;
+
+ switch (cmd) {
+ case MII_POLLSTAT:
+ break;
+
+ case MII_MEDIACHG:
+ if (IFM_SUBTYPE(ife->ifm_media) == IFM_AUTO ||
+ IFM_SUBTYPE(ife->ifm_media) == IFM_1000_T) {
+ atphy_setmedia(sc, ife->ifm_media);
+ break;
+ }
+
+ bmcr = 0;
+ switch (IFM_SUBTYPE(ife->ifm_media)) {
+ case IFM_100_TX:
+ bmcr = BMCR_S100;
+ break;
+ case IFM_10_T:
+ bmcr = BMCR_S10;
+ break;
+ case IFM_NONE:
+ bmcr = PHY_READ(sc, MII_BMCR);
+ /*
+ * XXX
+ * Due to an unknown reason powering down PHY resulted
+ * in unexpected results such as inaccessibility of
+ * hardware of freshly rebooted system. Disable
+ * powering down PHY until I got more information for
+ * Attansic/Atheros PHY hardwares.
+ */
+ PHY_WRITE(sc, MII_BMCR, bmcr | BMCR_ISO);
+ goto done;
+ default:
+ return (EINVAL);
+ }
+
+ anar = atphy_anar(ife);
+ if ((ife->ifm_media & IFM_FDX) != 0) {
+ bmcr |= BMCR_FDX;
+ if ((ife->ifm_media & IFM_FLOW) != 0 ||
+ (sc->mii_flags & MIIF_FORCEPAUSE) != 0)
+ anar |= ANAR_PAUSE_TOWARDS;
+ }
+
+ if ((sc->mii_extcapabilities & (EXTSR_1000TFDX |
+ EXTSR_1000THDX)) != 0)
+ PHY_WRITE(sc, MII_100T2CR, 0);
+ PHY_WRITE(sc, MII_ANAR, anar | ANAR_CSMA);
+
+ /*
+ * Reset the PHY so all changes take effect.
+ */
+ PHY_WRITE(sc, MII_BMCR, bmcr | BMCR_RESET | BMCR_AUTOEN |
+ BMCR_STARTNEG);
+done:
+ break;
+
+ case MII_TICK:
+ /*
+ * Only used for autonegotiation.
+ */
+ if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) {
+ sc->mii_ticks = 0;
+ break;
+ }
+
+ /*
+ * Check for link.
+ * Read the status register twice; BMSR_LINK is latch-low.
+ */
+ bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
+ if (bmsr & BMSR_LINK) {
+ sc->mii_ticks = 0;
+ break;
+ }
+
+ /* Announce link loss right after it happens. */
+ if (sc->mii_ticks++ == 0)
+ break;
+ if (sc->mii_ticks <= sc->mii_anegticks)
+ return (0);
+
+ sc->mii_ticks = 0;
+ atphy_setmedia(sc, ife->ifm_media);
+ break;
+ }
+
+ /* Update the media status. */
+ PHY_STATUS(sc);
+
+ /* Callback if something changed. */
+ mii_phy_update(sc, cmd);
+ return (0);
+}
+
+static void
+atphy_status(struct mii_softc *sc)
+{
+ struct mii_data *mii = sc->mii_pdata;
+ uint32_t bmsr, bmcr, ssr;
+
+ mii->mii_media_status = IFM_AVALID;
+ mii->mii_media_active = IFM_ETHER;
+
+ bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
+ if ((bmsr & BMSR_LINK) != 0)
+ mii->mii_media_status |= IFM_ACTIVE;
+
+ bmcr = PHY_READ(sc, MII_BMCR);
+ if ((bmcr & BMCR_ISO) != 0) {
+ mii->mii_media_active |= IFM_NONE;
+ mii->mii_media_status = 0;
+ return;
+ }
+
+ if ((bmcr & BMCR_LOOP) != 0)
+ mii->mii_media_active |= IFM_LOOP;
+
+ ssr = PHY_READ(sc, ATPHY_SSR);
+ if ((ssr & ATPHY_SSR_SPD_DPLX_RESOLVED) == 0) {
+ /* Erg, still trying, I guess... */
+ mii->mii_media_active |= IFM_NONE;
+ return;
+ }
+
+ switch (ssr & ATPHY_SSR_SPEED_MASK) {
+ case ATPHY_SSR_1000MBS:
+ mii->mii_media_active |= IFM_1000_T;
+ /*
+ * atphy(4) has a valid link so reset mii_ticks.
+ * Resetting mii_ticks is needed in order to
+ * detect link loss after auto-negotiation.
+ */
+ sc->mii_ticks = 0;
+ break;
+ case ATPHY_SSR_100MBS:
+ mii->mii_media_active |= IFM_100_TX;
+ sc->mii_ticks = 0;
+ break;
+ case ATPHY_SSR_10MBS:
+ mii->mii_media_active |= IFM_10_T;
+ sc->mii_ticks = 0;
+ break;
+ default:
+ mii->mii_media_active |= IFM_NONE;
+ return;
+ }
+
+ if ((ssr & ATPHY_SSR_DUPLEX) != 0)
+ mii->mii_media_active |= IFM_FDX | mii_phy_flowstatus(sc);
+ else
+ mii->mii_media_active |= IFM_HDX;
+
+ if ((IFM_SUBTYPE(mii->mii_media_active) == IFM_1000_T) &&
+ (PHY_READ(sc, MII_100T2SR) & GTSR_MS_RES) != 0)
+ mii->mii_media_active |= IFM_ETH_MASTER;
+}
+
+static void
+atphy_reset(struct mii_softc *sc)
+{
+ struct ifmedia_entry *ife = sc->mii_pdata->mii_media.ifm_cur;
+ uint32_t reg;
+ int i;
+ //enable rgmii internal delay
+ PHY_WRITE(sc, 0xd, 0x3);
+ PHY_WRITE(sc, 0xe, 0x805d);
+ PHY_WRITE(sc, 0xd, 0x4003);
+
+ reg = PHY_READ(sc, 0xe);
+ PHY_WRITE(sc, 0xe, reg & ~(1 << 8));
+ PHY_WRITE(sc, 0x1d,5);
+ PHY_WRITE(sc, 0x1e, (1<<8));
+
+#if 1
+ reg = PHY_READ(sc, ATPHY_SCR);
+ /* Enable automatic crossover. */
+ reg |= ATPHY_SCR_AUTO_X_MODE;
+ /* Disable power down. */
+ reg &= ~ATPHY_SCR_MAC_PDOWN;
+ /* Enable CRS on Tx. */
+ reg |= ATPHY_SCR_ASSERT_CRS_ON_TX;
+ /* Auto correction for reversed cable polarity. */
+ reg |= ATPHY_SCR_POLARITY_REVERSAL;
+ PHY_WRITE(sc, ATPHY_SCR, reg);
+
+ /* Workaround F1 bug to reset phy. */
+ atphy_setmedia(sc, ife == NULL ? IFM_AUTO : ife->ifm_media);
+
+ for (i = 0; i < 1000; i++) {
+ DELAY(1);
+ if ((PHY_READ(sc, MII_BMCR) & BMCR_RESET) == 0)
+ break;
+ }
+#endif
+}
+
+static uint16_t
+atphy_anar(struct ifmedia_entry *ife)
+{
+ uint16_t anar;
+
+ anar = 0;
+ switch (IFM_SUBTYPE(ife->ifm_media)) {
+ case IFM_AUTO:
+ anar |= ANAR_TX_FD | ANAR_TX | ANAR_10_FD | ANAR_10;
+ return (anar);
+ case IFM_1000_T:
+ return (anar);
+ case IFM_100_TX:
+ anar |= ANAR_TX;
+ break;
+ case IFM_10_T:
+ anar |= ANAR_10;
+ break;
+ default:
+ return (0);
+ }
+
+ if ((ife->ifm_media & IFM_FDX) != 0) {
+ if (IFM_SUBTYPE(ife->ifm_media) == IFM_100_TX)
+ anar |= ANAR_TX_FD;
+ else
+ anar |= ANAR_10_FD;
+ }
+
+ return (anar);
+}
+
+static int
+atphy_setmedia(struct mii_softc *sc, int media)
+{
+ uint16_t anar;
+
+ anar = BMSR_MEDIA_TO_ANAR(sc->mii_capabilities) | ANAR_CSMA;
+ if ((IFM_SUBTYPE(media) == IFM_AUTO || (media & IFM_FDX) != 0) &&
+ ((media & IFM_FLOW) != 0 ||
+ (sc->mii_flags & MIIF_FORCEPAUSE) != 0))
+ anar |= ANAR_PAUSE_TOWARDS;
+ PHY_WRITE(sc, MII_ANAR, anar);
+ if ((sc->mii_extcapabilities &
+ (EXTSR_1000TFDX | EXTSR_1000THDX)) != 0)
+ PHY_WRITE(sc, MII_100T2CR, GTCR_ADV_1000TFDX |
+ GTCR_ADV_1000THDX);
+ else if (sc->mii_mpd_model == MII_MODEL_xxATHEROS_F1) {
+ /*
+ * AR8132 has 10/100 PHY and the PHY uses the same
+ * model number of F1 gigabit PHY. The PHY has no
+ * ability to establish gigabit link so explicitly
+ * disable 1000baseT configuration for the PHY.
+ * Otherwise, there is a case that atphy(4) could
+ * not establish a link against gigabit link partner
+ * unless the link partner supports down-shifting.
+ */
+ PHY_WRITE(sc, MII_100T2CR, 0);
+ }
+ PHY_WRITE(sc, MII_BMCR, BMCR_RESET | BMCR_AUTOEN | BMCR_STARTNEG);
+
+
+
+ return (EJUSTRETURN);
+}
diff -ruN ./rtems-libbsd/freebsd/sys/dev/mii/atphyreg.h ./am335x_bsp/rtems-libbsd/freebsd/sys/dev/mii/atphyreg.h
--- ./rtems-libbsd/freebsd/sys/dev/mii/atphyreg.h 1970-01-01 08:00:00.000000000 +0800
+++ ./am335x_bsp/rtems-libbsd/freebsd/sys/dev/mii/atphyreg.h 2016-03-08 14:27:47.000000000 +0800
@@ -0,0 +1,63 @@
+/*-
+ * Copyright (c) 2008, Pyun YongHyeon
+ * 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 unmodified, 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _DEV_MII_ATPHYREG_H_
+#define _DEV_MII_ATPHYREG_H_
+
+/*
+ * Registers for the Attansic/Atheros Gigabit PHY.
+ */
+
+/* Special Control Register */
+#define ATPHY_SCR 0x10
+#define ATPHY_SCR_JABBER_DISABLE 0x0001
+#define ATPHY_SCR_POLARITY_REVERSAL 0x0002
+#define ATPHY_SCR_SQE_TEST 0x0004
+#define ATPHY_SCR_MAC_PDOWN 0x0008
+#define ATPHY_SCR_CLK125_DISABLE 0x0010
+#define ATPHY_SCR_MDI_MANUAL_MODE 0x0000
+#define ATPHY_SCR_MDIX_MANUAL_MODE 0x0020
+#define ATPHY_SCR_AUTO_X_1000T 0x0040
+#define ATPHY_SCR_AUTO_X_MODE 0x0060
+#define ATPHY_SCR_10BT_EXT_ENABLE 0x0080
+#define ATPHY_SCR_MII_5BIT_ENABLE 0x0100
+#define ATPHY_SCR_SCRAMBLER_DISABLE 0x0200
+#define ATPHY_SCR_FORCE_LINK_GOOD 0x0400
+#define ATPHY_SCR_ASSERT_CRS_ON_TX 0x0800
+
+/* Special Status Register. */
+#define ATPHY_SSR 0x11
+#define ATPHY_SSR_SPD_DPLX_RESOLVED 0x0800
+#define ATPHY_SSR_DUPLEX 0x2000
+#define ATPHY_SSR_SPEED_MASK 0xC000
+#define ATPHY_SSR_10MBS 0x0000
+#define ATPHY_SSR_100MBS 0x4000
+#define ATPHY_SSR_1000MBS 0x8000
+
+#endif /* _DEV_MII_ATPHYREG_H_ */
------------------ Original ------------------
From: "yao0718";<29171383 at qq.com>;
Date: Tue, Jul 5, 2016 03:11 PM
To: "devel"<devel at rtems.org>;
Subject: [0/6] ti cpsw driver port from freebsd for am335x
I add cpsw driver from freebsd and modify some code for my board, my board is not beagleblack, so i am not sure it can work fine in BB board,to reduce phy find process, I set phy address 4 and 6 for which phy address on my board,my board has two eth port ,I set dualmac when attach;
can somebody test it on beaglebone and merge to beaglebone bsp?
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