e89da24b3d
1) Flag it and only access that command on the 3c1 2) The TX PLL appears to power down when not in use, so we have to power it back up when we've been idle. Do this at the start of ifstart. Otherwise we fall off the net.
238 lines
6.7 KiB
C
238 lines
6.7 KiB
C
/*-
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* Copyright (c) 1994 Herb Peyerl <hpeyerl@novatel.ca>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Herb Peyerl.
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* 4. The name of Herb Peyerl may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Pccard support for 3C589 by:
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* HAMADA Naoki
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* nao@tom-yam.or.jp
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/socket.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <net/ethernet.h>
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#include <net/if.h>
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#include <net/if_arp.h>
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#include <net/if_media.h>
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#include <dev/ep/if_epreg.h>
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#include <dev/ep/if_epvar.h>
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#include <dev/pccard/pccardvar.h>
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#include <dev/pccard/pccard_cis.h>
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#include "pccarddevs.h"
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struct ep_pccard_product
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{
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struct pccard_product prod;
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int chipset;
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};
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#define EP_CHIP_589 1 /* Classic 3c5x9 chipset */
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#define EP_CHIP_574 2 /* Roadrunner */
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#define EP_CHIP_C1 3 /* 3c1 */
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static const struct ep_pccard_product ep_pccard_products[] = {
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{ PCMCIA_CARD(3COM, 3C1), EP_CHIP_C1 },
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{ PCMCIA_CARD(3COM, 3C562), EP_CHIP_589 },
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{ PCMCIA_CARD(3COM, 3C589), EP_CHIP_589 },
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{ PCMCIA_CARD(3COM, 3CXEM556), EP_CHIP_589 },
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{ PCMCIA_CARD(3COM, 3CXEM556INT), EP_CHIP_589 },
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{ PCMCIA_CARD(3COM, 3C574), EP_CHIP_574 },
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{ PCMCIA_CARD(3COM, 3CCFEM556BI), EP_CHIP_574 },
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{ { NULL } }
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};
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static const struct ep_pccard_product *
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ep_pccard_lookup(device_t dev)
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{
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return ((const struct ep_pccard_product *)pccard_product_lookup(dev,
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(const struct pccard_product *)ep_pccard_products,
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sizeof(ep_pccard_products[0]), NULL));
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}
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static int
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ep_pccard_probe(device_t dev)
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{
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const struct ep_pccard_product *pp;
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int error;
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uint32_t fcn = PCCARD_FUNCTION_UNSPEC;
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/* Make sure we're a network function */
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error = pccard_get_function(dev, &fcn);
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if (error != 0)
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return (error);
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if (fcn != PCCARD_FUNCTION_NETWORK)
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return (ENXIO);
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/* Check to see if we know about this card */
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if ((pp = ep_pccard_lookup(dev)) == NULL)
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return EIO;
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if (pp->prod.pp_name != NULL)
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device_set_desc(dev, pp->prod.pp_name);
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return 0;
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}
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static int
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ep_pccard_mac(const struct pccard_tuple *tuple, void *argp)
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{
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uint8_t *enaddr = argp;
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int i;
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/* Code 0x88 is 3com's special cis node contianing the MAC */
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if (tuple->code != 0x88)
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return (0);
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/* Make sure this is a sane node */
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if (tuple->length < ETHER_ADDR_LEN)
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return (0);
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/* Copy the MAC ADDR and return success */
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for (i = 0; i < ETHER_ADDR_LEN; i += 2) {
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enaddr[i] = pccard_tuple_read_1(tuple, i + 1);
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enaddr[i + 1] = pccard_tuple_read_1(tuple, i);
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}
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return (1);
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}
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static int
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ep_pccard_attach(device_t dev)
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{
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struct ep_softc *sc = device_get_softc(dev);
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uint16_t result;
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int error = 0;
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const struct ep_pccard_product *pp;
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if ((pp = ep_pccard_lookup(dev)) == NULL)
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panic("ep_pccard_attach: can't find product in attach.");
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if (pp->chipset == EP_CHIP_574) {
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sc->epb.mii_trans = 1;
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sc->epb.cmd_off = 2;
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} else {
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sc->epb.mii_trans = 0;
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sc->epb.cmd_off = 0;
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}
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if ((error = ep_alloc(dev))) {
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device_printf(dev, "ep_alloc() failed! (%d)\n", error);
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goto bad;
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}
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if (pp->chipset == EP_CHIP_C1)
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sc->stat |= F_HAS_TX_PLL;
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/* ROM size = 0, ROM base = 0 */
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/* For now, ignore AUTO SELECT feature of 3C589B and later. */
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error = ep_get_e(sc, EEPROM_ADDR_CFG, &result);
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CSR_WRITE_2(sc, EP_W0_ADDRESS_CFG, result & 0xc000);
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/*
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* Fake IRQ must be 3 for 3C589 and 3C589B. 3C589D and newer
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* ignore this value. 3C589C is unknown, as are the other
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* cards supported by this driver, but it appears to never hurt
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* and always helps.
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*/
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SET_IRQ(sc, 3);
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CSR_WRITE_2(sc, EP_W0_PRODUCT_ID, sc->epb.prod_id);
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if (sc->epb.mii_trans) {
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/*
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* turn on the MII transciever
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*/
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GO_WINDOW(sc, 3);
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CSR_WRITE_2(sc, EP_W3_OPTIONS, 0x8040);
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DELAY(1000);
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CSR_WRITE_2(sc, EP_W3_OPTIONS, 0xc040);
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CSR_WRITE_2(sc, EP_COMMAND, RX_RESET);
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CSR_WRITE_2(sc, EP_COMMAND, TX_RESET);
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EP_BUSY_WAIT(sc);
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DELAY(1000);
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CSR_WRITE_2(sc, EP_W3_OPTIONS, 0x8040);
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} else
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ep_get_media(sc);
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/*
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* The 3C562 (a-c revisions) stores the MAC in the CIS in a
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* way that's unique to 3com. If we have one of these cards,
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* scan the CIS for that MAC address, and use it if we find
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* it. The NetBSD driver says that the ROADRUNNER chips also
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* do this, which may be true, but none of the cards that I
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* have include this TUPLE. Always prefer the MAC addr in the
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* CIS tuple to the one returned by the card, as it appears that
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* only those cards that need it have this special tuple.
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*/
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if (pccard_cis_scan(dev, ep_pccard_mac, sc->eaddr))
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sc->stat |= F_ENADDR_SKIP;
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if ((error = ep_attach(sc))) {
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device_printf(dev, "ep_attach() failed! (%d)\n", error);
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goto bad;
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}
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if ((error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
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NULL, ep_intr, sc, &sc->ep_intrhand))) {
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device_printf(dev, "bus_setup_intr() failed! (%d)\n", error);
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goto bad;
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}
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return (0);
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bad:
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ep_free(dev);
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return (error);
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}
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static device_method_t ep_pccard_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, ep_pccard_probe),
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DEVMETHOD(device_attach, ep_pccard_attach),
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DEVMETHOD(device_detach, ep_detach),
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{0, 0}
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};
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static driver_t ep_pccard_driver = {
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"ep",
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ep_pccard_methods,
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sizeof(struct ep_softc),
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};
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extern devclass_t ep_devclass;
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DRIVER_MODULE(ep, pccard, ep_pccard_driver, ep_devclass, 0, 0);
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