07b064e02e
Some of the stuff (e.g., rarpd, bootpd, dhcpd etc., libsa) still will only support Ethernet. Tcpdump itself should be ok, but libpcap needs lot of work. For the detailed change history, look at the commit log entries for the is-newarp branch.
131 lines
3.8 KiB
C
131 lines
3.8 KiB
C
/* $NetBSD: aha_isa.c,v 1.2 1997/03/15 18:11:36 is Exp $ */
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/*
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* Copyright (c) 1994, 1996 Charles M. Hannum. 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 M. Hannum.
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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/types.h>
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <machine/bus.h>
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#include <machine/intr.h>
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#include <scsi/scsi_all.h>
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#include <scsi/scsiconf.h>
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#include <dev/isa/isavar.h>
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#include <dev/isa/isadmavar.h>
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#include <dev/ic/ahareg.h>
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#include <dev/ic/ahavar.h>
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#define AHA_ISA_IOSIZE 4
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int aha_isa_probe __P((struct device *, void *, void *));
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void aha_isa_attach __P((struct device *, struct device *, void *));
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struct cfattach aha_isa_ca = {
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sizeof(struct aha_softc), aha_isa_probe, aha_isa_attach
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};
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/*
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* Check the slots looking for a board we recognise
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* If we find one, note it's address (slot) and call
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* the actual probe routine to check it out.
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*/
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int
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aha_isa_probe(parent, match, aux)
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struct device *parent;
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void *match, *aux;
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{
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struct isa_attach_args *ia = aux;
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struct aha_softc sc;
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bus_space_tag_t iot = ia->ia_iot;
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bus_space_handle_t ioh;
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int rv;
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if (bus_space_map(iot, ia->ia_iobase, AHA_ISA_IOSIZE, 0, &ioh))
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return (0);
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rv = aha_find(iot, ioh, &sc);
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bus_space_unmap(iot, ioh, AHA_ISA_IOSIZE);
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if (rv) {
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if (ia->ia_irq != -1 && ia->ia_irq != sc.sc_irq)
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return (0);
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if (ia->ia_drq != -1 && ia->ia_drq != sc.sc_drq)
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return (0);
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ia->ia_irq = sc.sc_irq;
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ia->ia_drq = sc.sc_drq;
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ia->ia_msize = 0;
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ia->ia_iosize = AHA_ISA_IOSIZE;
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}
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return (rv);
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}
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/*
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* Attach all the sub-devices we can find
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*/
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void
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aha_isa_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 isa_attach_args *ia = aux;
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struct aha_softc *sc = (void *)self;
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bus_space_tag_t iot = ia->ia_iot;
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bus_space_handle_t ioh;
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isa_chipset_tag_t ic = ia->ia_ic;
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printf("\n");
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if (bus_space_map(iot, ia->ia_iobase, AHA_ISA_IOSIZE, 0, &ioh))
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panic("aha_attach: bus_space_map failed!");
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sc->sc_iot = iot;
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sc->sc_ioh = ioh;
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if (!aha_find(iot, ioh, sc))
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panic("aha_attach: aha_find failed!");
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if (sc->sc_drq != -1)
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isa_dmacascade(sc->sc_drq);
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sc->sc_ih = isa_intr_establish(ic, sc->sc_irq, IST_EDGE, IPL_BIO,
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aha_intr, sc);
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if (sc->sc_ih == NULL) {
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printf("%s: couldn't establish interrupt\n",
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sc->sc_dev.dv_xname);
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return;
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}
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aha_attach(sc);
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}
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