172 lines
4.8 KiB
C
172 lines
4.8 KiB
C
/* $NetBSD: if_le.c,v 1.37 1997/03/17 03:17:39 thorpej Exp $ */
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/*-
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* Copyright (c) 1996 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 Adam Glass and Gordon W. Ross.
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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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#include "bpfilter.h"
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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/syslog.h>
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#include <sys/socket.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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#ifdef INET
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#include <netinet/in.h>
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#include <netinet/if_inarp.h>
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#endif
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#include <machine/autoconf.h>
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#include <machine/cpu.h>
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#include <machine/dvma.h>
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#include <machine/obio.h>
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#include <machine/idprom.h>
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#include <dev/ic/am7990reg.h>
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#include <dev/ic/am7990var.h>
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/*
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* LANCE registers.
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* The real stuff is in dev/ic/am7990reg.h
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*/
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struct lereg1 {
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volatile u_int16_t ler1_rdp; /* data port */
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volatile u_int16_t ler1_rap; /* register select port */
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};
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/*
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* Ethernet software status per interface.
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* The real stuff is in dev/ic/am7990var.h
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*/
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struct le_softc {
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struct am7990_softc sc_am7990; /* glue to MI code */
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struct lereg1 *sc_r1; /* LANCE registers */
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};
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static int le_match __P((struct device *, struct cfdata *, void *));
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static void le_attach __P((struct device *, struct device *, void *));
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struct cfattach le_ca = {
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sizeof(struct le_softc), le_match, le_attach
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};
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hide void lewrcsr __P((struct am7990_softc *, u_int16_t, u_int16_t));
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hide u_int16_t lerdcsr __P((struct am7990_softc *, u_int16_t));
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hide void
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lewrcsr(sc, port, val)
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struct am7990_softc *sc;
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u_int16_t port, val;
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{
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register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
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ler1->ler1_rap = port;
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ler1->ler1_rdp = val;
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}
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hide u_int16_t
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lerdcsr(sc, port)
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struct am7990_softc *sc;
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u_int16_t port;
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{
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register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
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u_int16_t val;
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ler1->ler1_rap = port;
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val = ler1->ler1_rdp;
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return (val);
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}
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int
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le_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 confargs *ca = aux;
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/* Make sure there is something there... */
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if (bus_peek(ca->ca_bustype, ca->ca_paddr, 1) == -1)
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return (0);
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/* Default interrupt priority. */
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if (ca->ca_intpri == -1)
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ca->ca_intpri = 3;
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return (1);
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}
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void
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le_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 le_softc *lesc = (struct le_softc *)self;
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struct am7990_softc *sc = &lesc->sc_am7990;
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struct confargs *ca = aux;
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lesc->sc_r1 = (struct lereg1 *)
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obio_alloc(ca->ca_paddr, sizeof(struct lereg1));
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sc->sc_memsize = 0x4000; /* 16K */
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sc->sc_mem = dvma_malloc(sc->sc_memsize);
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sc->sc_addr = (u_long)sc->sc_mem & 0xffffff;
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sc->sc_conf3 = LE_C3_BSWP;
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idprom_etheraddr(sc->sc_enaddr);
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sc->sc_copytodesc = am7990_copytobuf_contig;
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sc->sc_copyfromdesc = am7990_copyfrombuf_contig;
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sc->sc_copytobuf = am7990_copytobuf_contig;
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sc->sc_copyfrombuf = am7990_copyfrombuf_contig;
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sc->sc_zerobuf = am7990_zerobuf_contig;
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sc->sc_rdcsr = lerdcsr;
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sc->sc_wrcsr = lewrcsr;
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sc->sc_hwinit = NULL;
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am7990_config(sc);
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/* Install interrupt handler. */
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isr_add_autovect(am7990_intr, (void *)sc, ca->ca_intpri);
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}
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