2185bcc386
This work is based on code written by Scott D. Telford, the IBM Token Ring card attachment was written by Gregory McGarry. XXX this is still very experimental and development version; use at your XXX own risk
151 lines
4.5 KiB
C
151 lines
4.5 KiB
C
/* $NetBSD: aha_mca.c,v 1.1 2000/05/11 15:42:04 jdolecek Exp $ */
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/*
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* Copyright (c) 2000 The NetBSD Foundation, Inc.
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* Copyright (c) 1996-1999 Scott D. Telford.
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* Copyright (c) 1994, 1996 Charles M. Hannum. All rights reserved.
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* Portions:
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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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/*
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* Originally written by Julian Elischer (julian@tfs.com)
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* for TRW Financial Systems for use under the MACH(2.5) operating system.
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*
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* TRW Financial Systems, in accordance with their agreement with Carnegie
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* Mellon University, makes this software available to CMU to distribute
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* or use in any manner that they see fit as long as this message is kept with
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* the software. For this reason TFS also grants any other persons or
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* organisations permission to use or modify this software.
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*
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* TFS supplies this software to be publicly redistributed
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* on the understanding that TFS is not responsible for the correct
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* functioning of this software in any circumstances.
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*/
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/*
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* AHA-1640 MCA bus code by Scott Telford
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*/
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#include <sys/param.h>
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#include <sys/types.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 <dev/scsipi/scsi_all.h>
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#include <dev/scsipi/scsipi_all.h>
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#include <dev/scsipi/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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#include <dev/mca/mcareg.h>
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#include <dev/mca/mcavar.h>
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#include <dev/mca/mcadevs.h>
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#define AHA_ISA_IOSIZE 4
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int aha_mca_probe __P((struct device *, struct cfdata *, void *));
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void aha_mca_attach __P((struct device *, struct device *, void *));
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struct cfattach aha_mca_ca = {
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sizeof(struct aha_softc), aha_mca_probe, aha_mca_attach
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};
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int
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aha_mca_probe(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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register struct mca_attach_args *ma = aux;
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switch(ma->ma_id) {
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case MCA_PRODUCT_AHA1640:
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return 1;
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}
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return 0;
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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_mca_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 mca_attach_args *ma = aux;
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struct aha_softc *sc = (void *)self;
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bus_space_tag_t iot = ma->ma_iot;
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bus_space_handle_t ioh;
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struct aha_probe_data apd;
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mca_chipset_tag_t mc = ma->ma_mc;
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bus_addr_t iobase;
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printf("\n");
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iobase=((ma->ma_pos[3] & 0x03) << 8) + 0x30 +
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((ma->ma_pos[3] & 0x40) >> 4);
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if (bus_space_map(iot, iobase, AHA_ISA_IOSIZE, 0, &ioh)) {
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printf("%s: can't map i/o space\n", sc->sc_dev.dv_xname);
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return;
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}
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sc->sc_iot = iot;
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sc->sc_ioh = ioh;
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sc->sc_dmat = ma->ma_dmat;
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apd.sc_irq=(ma->ma_pos[4] & 0x7) + 8;
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apd.sc_drq=ma->ma_pos[5] & 0xf;
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apd.sc_scsi_dev=(ma->ma_pos[4] & 0xe0) >> 5;
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#ifdef notyet
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if (apd.sc_drq != -1)
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isa_dmacascade(mc, apd.sc_drq);
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#endif
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sc->sc_ih = mca_intr_establish(mc, apd.sc_irq, IPL_BIO, 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, &apd);
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}
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