mirror of
https://git.rtems.org/rtems-libbsd/
synced 2025-10-16 02:23:41 +08:00
Add DEC Tulip, Broadcomm (bce, bfe, bge), and SMC 9111x NICs
This commit is contained in:
Joel Sherrill
243
freebsd/dev/dc/pnphy.c
Normal file
243
freebsd/dev/dc/pnphy.c
Normal file
@@ -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;
|
||||
}
|
||||
Reference in New Issue
Block a user