e047259a1f
port. cesfic is a VME board with one or two mc68040 processors. See the README file for details. The port is working well with a.out userland, there are some problems with ELF still, like applications running out of memory where it is not expected. Some parts, in particular the pmap (which was taken from hp300 four years ago), need updating, but this is easier done within the NetBSD CVS tree.
164 lines
4.1 KiB
C
164 lines
4.1 KiB
C
/* $NetBSD: if_le.c,v 1.1 2001/05/14 18:23:07 drochner Exp $ */
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/*
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* Copyright (c) 1997, 1999
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* Matthias Drochner. 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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*
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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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#include "opt_inet.h"
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#include <sys/param.h>
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#include <sys/systm.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/cpu.h>
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#include <machine/pte.h>
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#include <machine/autoconf.h>
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#include <dev/ic/lancereg.h>
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#include <dev/ic/lancevar.h>
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#include <dev/ic/am79900reg.h>
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#include <dev/ic/am79900var.h>
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#include <cesfic/cesfic/isr.h>
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int lematch __P((struct device *, struct cfdata *, void *));
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void leattach __P((struct device *, struct device *, void *));
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struct cfattach le_ca = {
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sizeof(struct am79900_softc), lematch, leattach
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};
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int leintr __P((void *));
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void lewrcsr __P((struct lance_softc *, u_int16_t, u_int16_t));
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u_int16_t lerdcsr __P((struct lance_softc *, u_int16_t));
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static char *lebase, *lemembase;
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void
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lewrcsr(sc, port, val)
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struct lance_softc *sc;
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u_int16_t port, val;
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{
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*(volatile int *)(lebase + 4) = port;
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*(volatile int *)(lebase + 0) = val;
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}
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u_int16_t
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lerdcsr(sc, port)
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struct lance_softc *sc;
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u_int16_t port;
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{
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u_int16_t val;
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*(volatile int *)(lebase + 4) = port;
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val = *(volatile int *)(lebase + 0);
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return (val);
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}
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int
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lematch(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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return (1);
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}
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/*
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* Interface exists: make available by filling in network interface
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* record. System will initialize the interface when it is ready
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* to accept packets.
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*/
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extern void sic_enable_int __P((int, int, int, int, int));
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static char hwa[6] = {0x00,0x80,0xa2,0x00,0x30,0x23};
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void
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leattach(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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int i;
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struct lance_softc *sc = (struct lance_softc *)self;
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mainbus_map(0x4c000000, 0x10000, 0, (void **)&lemembase);
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mainbus_map(0x48000000, 0x1000, 0, (void **)&lebase);
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sc->sc_mem = lemembase;
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sc->sc_conf3 = LE_C3_BSWP;
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sc->sc_addr = 0x4c000000;
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sc->sc_memsize = 64 * 1024;
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if (cesfic_getetheraddr(sc->sc_enaddr)) {
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/* fallback */
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for (i = 0; i < sizeof(sc->sc_enaddr); i++) {
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sc->sc_enaddr[i] = hwa[i];
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}
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}
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sc->sc_copytodesc = lance_copytobuf_contig;
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sc->sc_copyfromdesc = lance_copyfrombuf_contig;
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sc->sc_copytobuf = lance_copytobuf_contig;
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sc->sc_copyfrombuf = lance_copyfrombuf_contig;
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sc->sc_zerobuf = lance_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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lewrcsr(sc, 4, 0x44);
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am79900_config((struct am79900_softc *)sc);
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/* Establish the interrupt handler. */
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(void) isrlink(leintr, sc, 3, ISRPRI_NET);
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sic_enable_int(17, 0, 1, 3, 0);
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}
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int
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leintr(arg)
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void *arg;
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{
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struct lance_softc *sc = arg;
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u_int16_t isr4;
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isr4 = lerdcsr(sc, 4);
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if (isr4 & 0x08) {
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lewrcsr(sc, 4, isr4);
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return (1);
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}
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return (am79900_intr(sc));
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}
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