260 lines
8.0 KiB
C
260 lines
8.0 KiB
C
/* $NetBSD: if_ep_mca.c,v 1.10 2002/10/02 16:34:11 thorpej Exp $ */
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/*-
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jaromir Dolecek.
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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 the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1997 Jonathan Stone <jonathan@NetBSD.org>
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* Copyright (c) 1994 Herb Peyerl <hpeyerl@beer.org>
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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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* Driver for 3Com 3c529 cards.
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*
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* If you encouter sucky performance, try kernel without DEBUG/DIAGNOSTIC.
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* This helped on my test machine to change the performance of the card
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* from like 5KB/s to like 800 KB/s.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: if_ep_mca.c,v 1.10 2002/10/02 16:34:11 thorpej Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/mbuf.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <sys/errno.h>
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#include <sys/device.h>
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#include <net/if.h>
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#include <net/if_ether.h>
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#include <net/if_media.h>
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#include <machine/bus.h>
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#include <dev/mii/miivar.h>
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#include <dev/ic/elink3var.h>
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#include <dev/ic/elink3reg.h>
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#include <dev/mca/mcavar.h>
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#include <dev/mca/mcadevs.h>
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/*
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* MCA constants.
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*/
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#define MCA_CBIO 0x200 /* Configuration Base IO Address */
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#define MCA_IOSZ 0x10 /* I/O space size */
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int ep_mca_match __P((struct device *, struct cfdata *, void *));
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void ep_mca_attach __P((struct device *, struct device *, void *));
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CFATTACH_DECL(ep_mca, sizeof(struct ep_softc),
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ep_mca_match, ep_mca_attach, NULL, NULL);
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const struct ep_mca_product {
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u_int32_t epp_prodid; /* MCA product ID */
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const char *epp_name; /* device name */
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} ep_mca_products[] = {
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{ MCA_PRODUCT_3C529, "3C529 Ethernet Adapter" },
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{ MCA_PRODUCT_3C529_TP, "3c529-TP Ethernet Adapter" },
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{ MCA_PRODUCT_3C529_TM, "3c529 Ethernet Adapter (test mode)" },
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{ MCA_PRODUCT_3C529_2T, "3c529 Ethernet Adapter (10base2/T)" },
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{ MCA_PRODUCT_3C529_T, "3c529 Ethernet Adapter (10baseT)" },
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{ 0, NULL },
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};
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static const struct ep_mca_product *ep_mca_lookup
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__P((const struct mca_attach_args *));
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static const struct ep_mca_product *
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ep_mca_lookup(ma)
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const struct mca_attach_args *ma;
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{
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const struct ep_mca_product *epp;
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for (epp = ep_mca_products; epp->epp_name != NULL; epp++)
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if (ma->ma_id == epp->epp_prodid)
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return (epp);
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return (NULL);
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}
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int
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ep_mca_match(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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struct mca_attach_args *ma = (struct mca_attach_args *) aux;
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if (ep_mca_lookup(ma) != NULL)
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return (1);
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return (0);
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}
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void
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ep_mca_attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct ep_softc *sc = (void *)self;
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struct mca_attach_args *ma = aux;
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bus_space_handle_t ioh;
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int pos4, pos5, iobase, irq, media;
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const struct ep_mca_product *epp;
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pos4 = mca_conf_read(ma->ma_mc, ma->ma_slot, 4);
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pos5 = mca_conf_read(ma->ma_mc, ma->ma_slot, 5);
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/*
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* POS register 2: (adf pos0)
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* 7 6 5 4 3 2 1 0
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* \__ enable: 0=adapter disabled, 1=adapter enabled
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*
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* POS register 3: (adf pos1)
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*
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* 7 6 5 4 3 2 1 0
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* \________/
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* \_______ Boot ROM Address Range: 0=disabled
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* X=0xc2000-0xc3fff + (x * 0x2000)
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*
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* POS register 4: (adf pos2)
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*
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* 7 6 5 4 3 2 1 0
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* \________/ \_/
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* \ \__ Transceiver Type: 00=on-board (RJ45), 01=ext(AUI)
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* \______ I/O Address Range: 0x200-0x20f + ((x>>2) * 0x400)
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*
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* POS register 5: (adf pos3)
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*
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* 7 6 5 4 3 2 1 0
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* \____/
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* \__ Interrupt level
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*/
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iobase = MCA_CBIO + (((pos4 & 0xfc) >> 2) * 0x400);
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irq = (pos5 & 0x0f);
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/* map the pio registers */
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if (bus_space_map(ma->ma_iot, iobase, MCA_IOSZ, 0, &ioh)) {
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printf("%s: unable to map i/o space\n", sc->sc_dev.dv_xname);
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return;
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}
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sc->sc_iot = ma->ma_iot;
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sc->sc_ioh = ioh;
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epp = ep_mca_lookup(ma);
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if (epp == NULL) {
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printf("\n");
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panic("ep_mca_attach: impossible");
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}
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printf(" slot %d irq %d: 3Com %s\n", ma->ma_slot + 1,
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irq, epp->epp_name);
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sc->enable = NULL;
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sc->disable = NULL;
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sc->enabled = 1;
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sc->bustype = ELINK_BUS_MCA;
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sc->ep_flags = 0;
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if (epconfig(sc, ELINK_CHIPSET_3C509, NULL))
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return;
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/* Map and establish the interrupt. */
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sc->sc_ih = mca_intr_establish(ma->ma_mc, irq, IPL_NET, epintr, sc);
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if (sc->sc_ih == NULL) {
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printf("%s: couldn't establish interrupt handler\n",
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sc->sc_dev.dv_xname);
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return;
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}
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/*
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* Set default media to be same as the one selected in POS.
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*/
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switch (pos4 & 0x03) {
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case 0x00:
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/* on-board RJ-45 */
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media = IFM_10_T;
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break;
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case 0x01:
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/* external AUI */
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media = IFM_10_5;
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break;
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case 0x02:
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/* undefined, should never be set */
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media = IFM_NONE;
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break;
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case 0x03:
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/* BNC */
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media = IFM_10_2;
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break;
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}
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ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|media);
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}
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