/*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 2022 Adrian Chadd <adrian@FreeBSD.org>. * * 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. * * 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/param.h> #include <sys/bus.h> #include <sys/errno.h> #include <sys/kernel.h> #include <sys/malloc.h> #include <sys/module.h> #include <sys/socket.h> #include <sys/sockio.h> #include <sys/sysctl.h> #include <sys/systm.h> #include <net/if.h> #include <net/if_var.h> #include <net/if_arp.h> #include <net/ethernet.h> #include <net/if_dl.h> #include <net/if_media.h> #include <net/if_types.h> #include <machine/bus.h> #include <dev/iicbus/iic.h> #include <dev/iicbus/iiconf.h> #include <dev/iicbus/iicbus.h> #include <dev/mii/mii.h> #include <dev/mii/miivar.h> #include <dev/mdio/mdio.h> #include <dev/extres/clk/clk.h> #include <dev/extres/hwreset/hwreset.h> #include <dev/fdt/fdt_common.h> #include <dev/ofw/ofw_bus.h> #include <dev/ofw/ofw_bus_subr.h> #include <dev/etherswitch/etherswitch.h> #include <dev/etherswitch/ar40xx/ar40xx_var.h> #include <dev/etherswitch/ar40xx/ar40xx_reg.h> #include <dev/etherswitch/ar40xx/ar40xx_hw.h> #include <dev/etherswitch/ar40xx/ar40xx_hw_mdio.h> #include "mdio_if.h" #include "miibus_if.h" #include "etherswitch_if.h" int ar40xx_hw_phy_dbg_write(struct ar40xx_softc *sc, int phy, uint16_t dbg, uint16_t data) { AR40XX_LOCK_ASSERT(sc); device_printf(sc->sc_dev, "%s: TODO\n", __func__); return (0); } int ar40xx_hw_phy_dbg_read(struct ar40xx_softc *sc, int phy, uint16_t dbg) { AR40XX_LOCK_ASSERT(sc); device_printf(sc->sc_dev, "%s: TODO\n", __func__); return (-1); } int ar40xx_hw_phy_mmd_write(struct ar40xx_softc *sc, uint32_t phy_id, uint16_t mmd_num, uint16_t reg_id, uint16_t reg_val) { AR40XX_LOCK_ASSERT(sc); MDIO_WRITEREG(sc->sc_mdio_dev, phy_id, AR40XX_MII_ATH_MMD_ADDR, mmd_num); MDIO_WRITEREG(sc->sc_mdio_dev, phy_id, AR40XX_MII_ATH_MMD_DATA, reg_id); MDIO_WRITEREG(sc->sc_mdio_dev, phy_id, AR40XX_MII_ATH_MMD_ADDR, 0x4000 | mmd_num); MDIO_WRITEREG(sc->sc_mdio_dev, phy_id, AR40XX_MII_ATH_MMD_DATA, reg_val); return (0); } int ar40xx_hw_phy_mmd_read(struct ar40xx_softc *sc, uint32_t phy_id, uint16_t mmd_num, uint16_t reg_id) { uint16_t value; AR40XX_LOCK_ASSERT(sc); MDIO_WRITEREG(sc->sc_mdio_dev, phy_id, AR40XX_MII_ATH_MMD_ADDR, mmd_num); MDIO_WRITEREG(sc->sc_mdio_dev, phy_id, AR40XX_MII_ATH_MMD_DATA, reg_id); MDIO_WRITEREG(sc->sc_mdio_dev, phy_id, AR40XX_MII_ATH_MMD_ADDR, 0x4000 | mmd_num); value = MDIO_READREG(sc->sc_mdio_dev, phy_id, AR40XX_MII_ATH_MMD_DATA); return value; }