155 lines
3.9 KiB
C
155 lines
3.9 KiB
C
/* $NetBSD: if_en.c,v 1.10 2000/07/09 20:57:42 pk Exp $ */
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/*
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*
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* Copyright (c) 1996 Charles D. Cranor and Washington University.
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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 Charles D. Cranor and
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* Washington University.
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* 4. The name of the author 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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*
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* i f _ e n _ s b u s . c
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*
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* author: Chuck Cranor <chuck@ccrc.wustl.edu>
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* started: spring, 1996.
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*
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* SBUS glue for the eni155s card.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/types.h>
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#include <sys/device.h>
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#include <sys/mbuf.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <net/if.h>
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#include <machine/bus.h>
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#include <machine/intr.h>
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#include <machine/cpu.h>
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#include <dev/sbus/sbusvar.h>
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#include <dev/ic/midwayreg.h>
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#include <dev/ic/midwayvar.h>
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/*
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* local structures
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*/
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struct en_sbus_softc {
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/* bus independent stuff */
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struct en_softc esc; /* includes "device" structure */
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/* sbus glue */
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struct sbusdev sc_sd; /* sbus device */
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};
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/*
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* prototypes
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*/
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static int en_sbus_match __P((struct device *, struct cfdata *, void *));
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static void en_sbus_attach __P((struct device *, struct device *, void *));
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/*
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* SBus autoconfig attachments
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*/
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struct cfattach en_sbus_ca = {
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sizeof(struct en_sbus_softc), en_sbus_match, en_sbus_attach,
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};
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/***********************************************************************/
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/*
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* autoconfig stuff
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*/
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static int
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en_sbus_match(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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void *aux;
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{
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struct sbus_attach_args *sa = aux;
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if (strcmp("ENI-155s", sa->sa_name) == 0) {
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if (CPU_ISSUN4M) {
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#ifdef DEBUG
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printf("%s: sun4m DMA not supported yet\n",
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sa->sa_name);
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#endif
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return (0);
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}
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return (1);
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} else {
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return (0);
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}
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}
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static void
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en_sbus_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 sbus_attach_args *sa = aux;
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struct en_softc *sc = (void *)self;
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struct en_sbus_softc *scs = (void *)self;
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printf("\n");
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if (bus_space_map2(sa->sa_bustag, sa->sa_slot,
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sa->sa_offset,
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4*1024*1024,
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0, 0, &sc->en_base) != 0) {
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printf("%s: cannot map registers\n", self->dv_xname);
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return;
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}
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/* Establish interrupt handler */
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if (sa->sa_nintr != 0)
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(void)bus_intr_establish(sa->sa_bustag, sa->sa_pri,
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IPL_NET, 0, en_intr, sc);
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sc->ipl = sa->sa_pri; /* appropriate? */
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sbus_establish(&scs->sc_sd, &sc->sc_dev);
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/*
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* done SBUS specific stuff
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*/
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en_attach(sc);
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}
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