Add the PHY driver for the Marvell 88E1512.

This driver supports the auto negotiation mode between the copper and fiber
ports.

This PHY has two independent PHYs (one for copper and other for fiber) but in
this case the functionality is presented as a single PHY for easy management.

Sponsored by:	Rubicon Communications, LLC ("Netgate")
This commit is contained in:
Luiz Souza 2022-07-29 17:43:56 +02:00 committed by Kristof Provost
parent b77d581535
commit adff82ea35
4 changed files with 319 additions and 0 deletions

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@ -2434,6 +2434,7 @@ dev/mii/mii_bitbang.c optional miibus | mii_bitbang
dev/mii/mii_physubr.c optional miibus | mii
dev/mii/mii_fdt.c optional miibus fdt | mii fdt
dev/mii/miibus_if.m optional miibus | mii
dev/mii/mv88e151x.c optional miibus | mv88e151x
dev/mii/nsgphy.c optional miibus | nsgphy
dev/mii/nsphy.c optional miibus | nsphy
dev/mii/nsphyter.c optional miibus | nsphyter

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@ -272,6 +272,7 @@ model xxMARVELL E1112 0x0009 Marvell 88E1112 Gigabit PHY
model xxMARVELL E1149 0x000b Marvell 88E1149 Gigabit PHY
model xxMARVELL E1111 0x000c Marvell 88E1111 Gigabit PHY
model xxMARVELL E1145 0x000d Marvell 88E1145 Quad Gigabit PHY
model xxMARVELL E1512 0x001d Marvell 88E1512 Gigabit PHY
model xxMARVELL E1116 0x0021 Marvell 88E1116 Gigabit PHY
model xxMARVELL E1116R 0x0024 Marvell 88E1116R Gigabit PHY
model xxMARVELL E1118 0x0022 Marvell 88E1118 Gigabit PHY

268
sys/dev/mii/mv88e151x.c Normal file
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@ -0,0 +1,268 @@
/*-
* SPDX-License-Identifier: BSD-2-Clause-NetBSD
*
* Copyright (c) 2019 Rubicon Communications, LLC (Netgate)
* 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, and by Frank van der Linden.
*
* 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 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
/* Driver for the Marvell 88e151x gigabit ethernet PHY. */
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/errno.h>
#include <sys/module.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 <dev/mii/mv88e151xreg.h>
#include "miidevs.h"
#include "miibus_if.h"
static int mv88e151x_probe(device_t);
static int mv88e151x_attach(device_t);
static device_method_t mv88e151x_methods[] = {
/* device interface */
DEVMETHOD(device_probe, mv88e151x_probe),
DEVMETHOD(device_attach, mv88e151x_attach),
DEVMETHOD(device_detach, mii_phy_detach),
DEVMETHOD(device_shutdown, bus_generic_shutdown),
DEVMETHOD_END
};
static devclass_t mv88e151x_devclass;
static driver_t mv88e151x_driver = {
"mv88e151x",
mv88e151x_methods,
sizeof(struct mii_softc)
};
DRIVER_MODULE(mv88e151x, miibus, mv88e151x_driver, mv88e151x_devclass, 0, 0);
static int mv88e151x_service(struct mii_softc *, struct mii_data *, int);
static void mv88e151x_status(struct mii_softc *);
static const struct mii_phydesc mv88e151xphys[] = {
MII_PHY_DESC(xxMARVELL, E1512),
MII_PHY_END
};
static const struct mii_phy_funcs mv88e151x_funcs = {
mv88e151x_service,
mv88e151x_status,
mii_phy_reset
};
static int
mv88e151x_probe(device_t dev)
{
return (mii_phy_dev_probe(dev, mv88e151xphys, BUS_PROBE_DEFAULT));
}
static int
mv88e151x_attach(device_t dev)
{
const struct mii_attach_args *ma;
struct mii_softc *sc;
uint32_t cop_cap, cop_extcap;
sc = device_get_softc(dev);
ma = device_get_ivars(dev);
mii_phy_dev_attach(dev, MIIF_NOMANPAUSE, &mv88e151x_funcs, 0);
PHY_RESET(sc);
sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & sc->mii_capmask;
cop_cap = sc->mii_capabilities;
if (sc->mii_capabilities & BMSR_EXTSTAT) {
sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR);
cop_extcap = sc->mii_extcapabilities;
}
device_printf(dev, " ");
if (MII_MODEL(ma->mii_id2) == MII_MODEL_xxMARVELL_E1512)
sc->mii_capabilities &= ~BMSR_ANEG;
mii_phy_add_media(sc);
if (MII_MODEL(ma->mii_id2) == MII_MODEL_xxMARVELL_E1512) {
/* Switch the fiber PHY and add the supported media. */
PHY_WRITE(sc, MV88E151X_PAGE, MV88E151X_PAGE_FIBER);
PHY_RESET(sc);
sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & sc->mii_capmask;
if (sc->mii_capabilities & BMSR_EXTSTAT)
sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR);
sc->mii_flags |= MIIF_NOISOLATE;
printf(", ");
mii_phy_add_media(sc);
/* Switch back to copper PHY. */
PHY_WRITE(sc, MV88E151X_PAGE, MV88E151X_PAGE_COPPER);
sc->mii_flags &= ~MIIF_NOISOLATE;
sc->mii_capabilities = cop_cap;
sc->mii_extcapabilities = cop_extcap;
}
printf("\n");
MIIBUS_MEDIAINIT(sc->mii_dev);
mii_phy_setmedia(sc);
/* Enable the fiber PHY auto negotiation. */
if (MII_MODEL(ma->mii_id2) == MII_MODEL_xxMARVELL_E1512) {
PHY_WRITE(sc, MV88E151X_PAGE, MV88E151X_PAGE_FIBER);
PHY_WRITE(sc, MII_BMCR, BMCR_RESET | BMCR_AUTOEN |
BMCR_STARTNEG | BMCR_FDX | BMCR_S1000);
PHY_WRITE(sc, MV88E151X_PAGE, MV88E151X_PAGE_COPPER);
}
return (0);
}
static int
mv88e151x_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
{
switch (cmd) {
case MII_POLLSTAT:
break;
case MII_MEDIACHG:
mii_phy_setmedia(sc);
break;
case MII_TICK:
if (mii_phy_tick(sc) == EJUSTRETURN)
return (0);
break;
}
/* Update the media status. */
PHY_STATUS(sc);
/* Callback if something changed. */
mii_phy_update(sc, cmd);
return (0);
}
static void
mv88e151x_fiber_status(struct mii_softc *phy)
{
struct mii_data *mii = phy->mii_pdata;
struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
int bmsr, bmcr, anlpar; //, gtcr, gtsr;
uint32_t reg;
mii->mii_media_status = IFM_AVALID;
mii->mii_media_active = IFM_ETHER;
/* Switch to the fiber PHY. */
PHY_WRITE(phy, MV88E151X_PAGE, MV88E151X_PAGE_FIBER);
reg = PHY_READ(phy, MV88E151X_FIBER_STATUS);
bmsr = PHY_READ(phy, MII_BMSR) | PHY_READ(phy, MII_BMSR);
if (reg & MV88E151X_STATUS_LINK)
mii->mii_media_status |= IFM_ACTIVE;
bmcr = PHY_READ(phy, MII_BMCR);
if (bmcr & BMCR_ISO) {
mii->mii_media_active |= IFM_NONE;
mii->mii_media_status = 0;
PHY_WRITE(phy, MV88E151X_PAGE, MV88E151X_PAGE_COPPER);
return;
}
if (bmcr & BMCR_LOOP)
mii->mii_media_active |= IFM_LOOP;
if (bmcr & BMCR_AUTOEN) {
/*
* NWay autonegotiation takes the highest-order common
* bit of the ANAR and ANLPAR (i.e. best media advertised
* both by us and our link partner).
*/
if ((bmsr & BMSR_ACOMP) == 0) {
/* Erg, still trying, I guess... */
mii->mii_media_active |= IFM_NONE;
PHY_WRITE(phy, MV88E151X_PAGE, MV88E151X_PAGE_COPPER);
return;
}
anlpar = PHY_READ(phy, MII_ANAR) & PHY_READ(phy, MII_ANLPAR);
if (anlpar & ANLPAR_X_FD)
mii->mii_media_active |= IFM_1000_SX | IFM_FDX;
else if (anlpar & ANLPAR_X_HD)
mii->mii_media_active |= IFM_1000_SX | IFM_HDX;
else if (reg & MV88E151X_STATUS_LINK &&
reg & MV88E151X_STATUS_SYNC &&
(reg & MV88E151X_STATUS_ENERGY) == 0) {
if ((reg & MV88E151X_STATUS_SPEED_MASK) ==
MV88E151X_STATUS_SPEED_1000)
mii->mii_media_active |= IFM_1000_SX;
else if ((reg & MV88E151X_STATUS_SPEED_MASK) ==
MV88E151X_STATUS_SPEED_100)
mii->mii_media_active |= IFM_100_FX;
else
mii->mii_media_active |= IFM_NONE;
if ((reg & MV88E151X_STATUS_SPEED_MASK) != 0 &&
(reg & MV88E151X_STATUS_FDX))
mii->mii_media_active |= IFM_FDX;
} else
mii->mii_media_active |= IFM_NONE;
if ((mii->mii_media_active & IFM_NONE) == 0)
phy->mii_flags |= MIIF_IS_1000X;
if ((mii->mii_media_active & IFM_FDX) != 0)
mii->mii_media_active |= mii_phy_flowstatus(phy);
} else
mii->mii_media_active = ife->ifm_media;
if ((mii->mii_media_status & IFM_ACTIVE) == 0)
phy->mii_flags &= ~MIIF_IS_1000X;
/* Switch back to copper PHY. */
PHY_WRITE(phy, MV88E151X_PAGE, MV88E151X_PAGE_COPPER);
}
static void
mv88e151x_status(struct mii_softc *phy)
{
struct mii_data *mii = phy->mii_pdata;
mv88e151x_fiber_status(phy);
if (mii->mii_media_status & IFM_ACTIVE)
return;
ukphy_status(phy);
}

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@ -0,0 +1,49 @@
/*-
* SPDX-License-Identifier: BSD-2-Clause-NetBSD
*
* Copyright (c) 2019 Rubicon Communications, LLC (Netgate).
* 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.
*
* 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.
*
* $FreeBSD$
*/
#ifndef _DEV_MII_MV88E151XREG_H_
#define _DEV_MII_MV88E151XREG_H_
#define MV88E151X_FIBER_STATUS 17
#define MV88E151X_STATUS_SPEED_MASK 0xc000
#define MV88E151X_STATUS_SPEED_SHIFT 14
#define MV88E151X_STATUS_SPEED_1000 2
#define MV88E151X_STATUS_SPEED_100 1
#define MV88E151X_STATUS_SPEED_10 0
#define MV88E151X_STATUS_FDX (1 << 13)
#define MV88E151X_STATUS_RESOLVED (1 << 11)
#define MV88E151X_STATUS_LINK (1 << 10)
#define MV88E151X_STATUS_SYNC (1 << 5)
#define MV88E151X_STATUS_ENERGY (1 << 4)
#define MV88E151X_PAGE 22
#define MV88E151X_PAGE_COPPER 0
#define MV88E151X_PAGE_FIBER 1
#endif /* _DEV_MII_MV88E151XREG_H_ */