freebsd-nq/sys/dev/ep/if_ep_pccard.c
Matthew N. Dodd f0b421372f Fix driver to restore function on 3c574 adapters. The panic on
ifconfig and bogus ethernet address (4b:57:4b:57:4b:57) has been
hacked around.  I'll revisit this when I have a clue whats going on.

Reviewed by:	obrien
2000-01-15 05:21:43 +00:00

256 lines
6.7 KiB
C

/*
* Copyright (c) 1994 Herb Peyerl <hpeyerl@novatel.ca>
* 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 Herb Peyerl.
* 4. The name of Herb Peyerl may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*
* $FreeBSD$
*/
/*
* Pccard support for 3C589 by:
* HAMADA Naoki
* nao@tom-yam.or.jp
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <net/if_media.h>
#include <machine/clock.h>
#include <dev/ep/if_epreg.h>
#include <dev/ep/if_epvar.h>
static const char *ep_pccard_identify(u_short id);
/*
* Initialize the device - called from Slot manager.
*/
static int
ep_pccard_probe(device_t dev)
{
struct ep_softc * sc = device_get_softc(dev);
struct ep_board * epb = &sc->epb;
const char * desc;
int error;
error = ep_alloc(dev);
if (error)
return error;
/*
* XXX - Certain (newer?) 3Com cards need epb->cmd_off ==
* 2. Sadly, you need to have a correct cmd_off in order to
* identify the card. So we have to hit it with both and
* cross our virtual fingers. There's got to be a better way
* to do this. jyoung@accessus.net 09/11/1999
*/
epb->cmd_off = 0;
epb->prod_id = get_e(sc, EEPROM_PROD_ID);
if ((desc = ep_pccard_identify(epb->prod_id)) == NULL) {
if (bootverbose)
device_printf(dev, "Pass 1 of 2 detection "
"failed (nonfatal)\n");
epb->cmd_off = 2;
epb->prod_id = get_e(sc, EEPROM_PROD_ID);
if ((desc = ep_pccard_identify(epb->prod_id)) == NULL) {
device_printf(dev, "Unit failed to come ready or "
"product ID unknown! (id 0x%x)\n", epb->prod_id);
ep_free(dev);
return (ENXIO);
}
}
device_set_desc(dev, desc);
/*
* For some reason the 3c574 needs this.
*/
ep_get_macaddr(sc, (u_char *)&sc->arpcom.ac_enaddr);
ep_free(dev);
return (0);
}
static const char *
ep_pccard_identify(u_short id)
{
/* Determine device type and associated MII capabilities */
switch (id) {
case 0x6055: /* 3C556 */
return ("3Com 3C556");
case 0x4057: /* 3C574 */
return ("3Com 3C574");
case 0x4b57: /* 3C574B */
return ("3Com 3C574B, Megahertz 3CCFE574BT or "
"Fast Etherlink 3C574-TX");
case 0x2b57: /* 3CXSH572BT */
return ("3Com OfficeConnect 572BT");
case 0x9058: /* 3C589 */
return ("3Com Etherlink III 3C589");
case 0x2056: /* 3C562/3C563 */
return ("3Com 3C562D/3C563D");
}
return (NULL);
}
static int
ep_pccard_card_attach(struct ep_board *epb)
{
/* Determine device type and associated MII capabilities */
switch (epb->prod_id) {
case 0x6055: /* 3C556 */
case 0x2b57: /* 3C572BT */
case 0x4057: /* 3C574 */
case 0x4b57: /* 3C574B */
epb->mii_trans = 1;
return (1);
case 0x2056: /* 3C562D/3C563D */
case 0x9058: /* 3C589 */
epb->mii_trans = 0;
return (1);
}
return (0);
}
static int
ep_pccard_attach(device_t dev)
{
struct ep_softc * sc = device_get_softc(dev);
int error = 0;
if ((error = ep_alloc(dev))) {
device_printf(dev, "ep_alloc() failed! (%d)\n", error);
goto bad;
}
sc->epb.cmd_off = 0;
sc->epb.prod_id = get_e(sc, EEPROM_PROD_ID);
if (!ep_pccard_card_attach(&sc->epb)) {
sc->epb.cmd_off = 2;
sc->epb.prod_id = get_e(sc, EEPROM_PROD_ID);
sc->epb.res_cfg = get_e(sc, EEPROM_RESOURCE_CFG);
if (!ep_pccard_card_attach(&sc->epb)) {
device_printf(dev,
"Probe found ID, attach failed so ignore card!\n");
error = ENXIO;
goto bad;
}
}
/* ROM size = 0, ROM base = 0 */
/* For now, ignore AUTO SELECT feature of 3C589B and later. */
outw(BASE + EP_W0_ADDRESS_CFG, get_e(sc, EEPROM_ADDR_CFG) & 0xc000);
/* Fake IRQ must be 3 */
outw(BASE + EP_W0_RESOURCE_CFG, (sc->epb.res_cfg & 0x0fff) | 0x3000);
outw(BASE + EP_W0_PRODUCT_ID, sc->epb.prod_id);
if (sc->epb.mii_trans) {
/*
* turn on the MII transciever
*/
GO_WINDOW(3);
outw(BASE + EP_W3_OPTIONS, 0x8040);
DELAY(1000);
outw(BASE + EP_W3_OPTIONS, 0xc040);
outw(BASE + EP_COMMAND, RX_RESET);
outw(BASE + EP_COMMAND, TX_RESET);
while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
DELAY(1000);
outw(BASE + EP_W3_OPTIONS, 0x8040);
} else {
ep_get_media(sc);
}
if ((error = ep_attach(sc))) {
device_printf(dev, "ep_attach() failed! (%d)\n", error);
goto bad;
}
if ((error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET, ep_intr,
sc, &sc->ep_intrhand))) {
device_printf(dev, "bus_setup_intr() failed! (%d)\n", error);
goto bad;
}
return (0);
bad:
ep_free(dev);
return (error);
}
static int
ep_pccard_detach(device_t dev)
{
struct ep_softc *sc = device_get_softc(dev);
if (sc->gone) {
device_printf(dev, "already unloaded\n");
return (0);
}
sc->arpcom.ac_if.if_flags &= ~IFF_RUNNING;
if_detach(&sc->arpcom.ac_if);
sc->gone = 1;
bus_teardown_intr(dev, sc->irq, sc->ep_intrhand);
ep_free(dev);
device_printf(dev, "unload\n");
return (0);
}
static device_method_t ep_pccard_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, ep_pccard_probe),
DEVMETHOD(device_attach, ep_pccard_attach),
DEVMETHOD(device_detach, ep_pccard_detach),
{ 0, 0 }
};
static driver_t ep_pccard_driver = {
"ep",
ep_pccard_methods,
sizeof(struct ep_softc),
};
extern devclass_t ep_devclass;
DRIVER_MODULE(ep, pccard, ep_pccard_driver, ep_devclass, 0, 0);