127 lines
3.6 KiB
C
127 lines
3.6 KiB
C
/* $NetBSD: if_ze.c,v 1.3 2000/01/24 02:54:03 matt Exp $ */
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/*
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* Copyright (c) 1999 Ludd, University of Lule}, Sweden. 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 at Ludd, University of
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* Lule}, Sweden and its contributors.
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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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#include <sys/param.h>
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#include <sys/socket.h>
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#include <sys/device.h>
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#include <sys/systm.h>
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#include <sys/sockio.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_dl.h>
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#include <netinet/in.h>
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#include <netinet/if_inarp.h>
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#if NBPFILTER > 0
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#include <net/bpf.h>
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#include <net/bpfdesc.h>
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#endif
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#include <machine/bus.h>
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#include <machine/nexus.h>
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#include <machine/cpu.h>
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#include <machine/scb.h>
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#include <dev/ic/sgecreg.h>
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#include <dev/ic/sgecvar.h>
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#include "ioconf.h"
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/*
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* Adresses.
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*/
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#define SGECADDR 0x20008000
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#define NISA_ROM 0x20084000
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#define SGECVEC 0x108
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static int zematch __P((struct device *, struct cfdata *, void *));
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static void zeattach __P((struct device *, struct device *, void *));
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struct cfattach ze_ibus_ca = {
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sizeof(struct ze_softc), zematch, zeattach
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};
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/*
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* Check for present SGEC.
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*/
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int
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zematch(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 bp_conf *bp = aux;
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/*
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* Should some more intelligent checking be done???
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*/
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if (strcmp(bp->type, "sgec") == 0)
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return 1;
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return 0;
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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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void
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zeattach(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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extern struct vax_bus_dma_tag vax_bus_dma_tag;
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struct ze_softc *sc = (struct ze_softc *)self;
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int *ea, i;
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/*
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* Map in SGEC registers.
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*/
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sc->sc_ioh = vax_map_physmem(SGECADDR, 1);
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sc->sc_iot = 0; /* :-) */
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sc->sc_dmat = &vax_bus_dma_tag;
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sc->sc_intvec = SGECVEC;
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/*
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* Map in, read and release ethernet rom address.
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*/
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ea = (int *)vax_map_physmem(NISA_ROM, 1);
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for (i = 0; i < ETHER_ADDR_LEN; i++)
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sc->sc_enaddr[i] = (ea[i] >> 8) & 0377;
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vax_unmap_physmem((vaddr_t)ea, 1);
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scb_vecalloc(SGECVEC, (void (*)(void *)) sgec_intr, sc, SCB_ISTACK);
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sgec_attach(sc);
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}
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