246 lines
7.0 KiB
C
246 lines
7.0 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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* $FreeBSD$
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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/param.h>
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#include <sys/kernel.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <sys/mbuf.h>
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#include <sys/socket.h>
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#include <sys/sockio.h>
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#include <net/ethernet.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <netinet/if_ether.h>
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#include <machine/clock.h>
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#include <sys/select.h>
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#include <sys/module.h>
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#include <pccard/cardinfo.h>
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#include <pccard/slot.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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/*
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* PC-Card (PCMCIA) specific code.
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*/
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static int ep_pccard_init (struct pccard_devinfo *);
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static int ep_pccard_attach (struct pccard_devinfo *);
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static void ep_pccard_unload (struct pccard_devinfo *);
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static int ep_pccard_intr (struct pccard_devinfo *);
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static int ep_pccard_identify (struct ep_board *epb, int unit);
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PCCARD_MODULE(ep, ep_pccard_init, ep_pccard_unload, ep_pccard_intr, 0, net_imask);
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/*
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* Initialize the device - called from Slot manager.
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*/
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static int
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ep_pccard_init(devi)
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struct pccard_devinfo *devi;
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{
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struct isa_device *is = &devi->isahd;
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struct ep_softc *sc = ep_softc[is->id_unit];
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struct ep_board *epb;
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int i;
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epb = &ep_board[is->id_unit];
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if (sc == 0) {
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if ((sc = ep_alloc(is->id_unit, epb)) == 0) {
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return (ENXIO);
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}
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ep_unit++;
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}
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/* get_e() requires these. */
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sc->ep_io_addr = is->id_iobase;
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sc->unit = is->id_unit;
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epb->epb_addr = is->id_iobase;
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epb->epb_used = 1;
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/*
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* XXX - Certain (newer?) 3Com cards need epb->cmd_off == 2. Sadly,
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* you need to have a correct cmd_off in order to identify the card.
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* So we have to hit it with both and cross our virtual fingers. There's
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* got to be a better way to do this. jyoung@accessus.net 09/11/1999
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*/
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epb->cmd_off = 0;
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epb->prod_id = get_e(sc, EEPROM_PROD_ID);
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if (!ep_pccard_identify(epb, is->id_unit)) {
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if (bootverbose) printf("ep%d: Pass 1 of 2 detection failed (nonfatal)\n", is->id_unit);
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epb->cmd_off = 2;
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epb->prod_id = get_e(sc, EEPROM_PROD_ID);
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if (!ep_pccard_identify(epb, is->id_unit)) {
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if (bootverbose) printf("ep%d: Pass 2 of 2 detection failed (fatal!)\n", is->id_unit);
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printf("ep%d: Unit failed to come ready or product ID unknown! (id 0x%x)\n", is->id_unit, epb->prod_id);
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return (ENXIO);
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}
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}
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epb->res_cfg = get_e(sc, EEPROM_RESOURCE_CFG);
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for (i = 0; i < 3; i++)
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sc->epb->eth_addr[i] = get_e(sc, EEPROM_NODE_ADDR_0 + i);
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if (ep_pccard_attach(devi) == 0)
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return (ENXIO);
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sc->arpcom.ac_if.if_snd.ifq_maxlen = ifqmaxlen;
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return (0);
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}
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static int
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ep_pccard_identify(epb, unit)
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struct ep_board *epb;
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int unit;
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{
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/* Determine device type and associated MII capabilities */
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switch (epb->prod_id) {
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case 0x6055: /* 3C556 */
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if (bootverbose) printf("ep%d: 3Com 3C556\n", unit);
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epb->mii_trans = 1;
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return (1);
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break; /* NOTREACHED */
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case 0x4057: /* 3C574 */
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if (bootverbose) printf("ep%d: 3Com 3C574\n", unit);
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epb->mii_trans = 1;
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return (1);
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break; /* NOTREACHED */
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case 0x4b57: /* 3C574B */
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if (bootverbose) printf("ep%d: 3Com 3C574B, Megahertz 3CCFE574BT or Fast Etherlink 3C574-TX\n", unit);
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epb->mii_trans = 1;
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return (1);
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break; /* NOTREACHED */
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case 0x9058: /* 3C589 */
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if (bootverbose) printf("ep%d: 3Com Etherlink III 3C589[B/C/D]\n", unit);
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epb->mii_trans = 0;
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return (1);
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break; /* NOTREACHED */
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}
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return (0);
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}
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static int
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ep_pccard_attach(devi)
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struct pccard_devinfo *devi;
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{
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struct isa_device *is = &devi->isahd;
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struct ep_softc *sc = ep_softc[is->id_unit];
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u_short config;
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sc->ep_connectors = 0;
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config = inw(IS_BASE + EP_W0_CONFIG_CTRL);
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if (config & IS_BNC) {
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sc->ep_connectors |= BNC;
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}
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if (config & IS_UTP) {
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sc->ep_connectors |= UTP;
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}
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if (!(sc->ep_connectors & 7))
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/* (Apparently) non-fatal */
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if(bootverbose) printf("ep%d: No connectors or MII.\n", is->id_unit);
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sc->ep_connector = inw(BASE + EP_W0_ADDRESS_CFG) >> ACF_CONNECTOR_BITS;
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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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outw(BASE + EP_W0_ADDRESS_CFG, get_e(sc, EEPROM_ADDR_CFG) & 0xc000);
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/* Fake IRQ must be 3 */
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outw(BASE + EP_W0_RESOURCE_CFG, (sc->epb->res_cfg & 0x0fff) | 0x3000);
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outw(BASE + 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(3);
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outw(BASE + EP_W3_OPTIONS, 0x8040);
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DELAY(1000);
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outw(BASE + EP_W3_OPTIONS, 0xc040);
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outw(BASE + EP_COMMAND, RX_RESET);
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outw(BASE + EP_COMMAND, TX_RESET);
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while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
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DELAY(1000);
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outw(BASE + EP_W3_OPTIONS, 0x8040);
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}
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ep_attach(sc);
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return 1;
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}
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static void
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ep_pccard_unload(devi)
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struct pccard_devinfo *devi;
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{
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struct ep_softc *sc = ep_softc[devi->isahd.id_unit];
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if (sc->gone) {
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printf("ep%d: already unloaded\n", devi->isahd.id_unit);
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return;
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}
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sc->arpcom.ac_if.if_flags &= ~IFF_RUNNING;
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sc->gone = 1;
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printf("ep%d: unload\n", devi->isahd.id_unit);
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}
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/*
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* card_intr - Shared interrupt called from
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* front end of PC-Card handler.
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*/
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static int
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ep_pccard_intr(devi)
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struct pccard_devinfo *devi;
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{
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struct ep_softc *sc = ep_softc[devi->isahd.id_unit];
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if (sc->gone) {
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return;
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}
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ep_intr((void *)sc);
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return(1);
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}
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