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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