NetBSD/sys/arch/hp700/gsc/siop_gsc.c

146 lines
4.4 KiB
C

/* $NetBSD: siop_gsc.c,v 1.3 2002/10/02 05:17:50 thorpej Exp $ */
/* $OpenBSD: siop_gsc.c,v 1.1 1998/11/04 17:01:35 mickey Exp $ */
/*
* Copyright (c) 1998 Michael Shalayeff
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Michael Shalayeff.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <machine/iomod.h>
#include <machine/autoconf.h>
#include <scsi/scsi_all.h>
#include <scsi/scsiconf.h>
#include <dev/ic/ncr53c7xxreg.h>
#include <dev/ic/ncr53c7xxvar.h>
#include <hp700/dev/cpudevs.h>
int ncr53c7xx_gsc_probe __P((struct device *, void *, void *));
void ncr53c7xx_gsc_attach __P((struct device *, struct device *, void *));
CFATTACH_DECL(ncr, sizeof(struct ncr53c7xx_softc),
ncr53c7xx_gsc_probe, ncr53c7xx_gsc_attach, NULL, NULL);
};
struct cfdriver ncr_cd = {
NULL, "ncr", DV_DULL, NULL, 0
};
struct scsi_adapter ncr53c7xx_gsc_scsiswitch = {
ncr53c7xx_scsicmd,
ncr53c7xx_minphys,
0, /* no lun support */
0, /* no lun support */
};
struct scsi_device ncr53c7xx_gsc_scsidev = {
NULL, /* use default error handler */
NULL, /* do not have a start functio */
NULL, /* have no async handler */
NULL, /* Use default done routine */
};
int
ncr53c7xx_gsc_probe(parent, match, aux)
struct device *parent;
void *match, *aux;
{
register struct confargs *ca = aux;
register bus_space_tag_t iot;
bus_space_handle_t ioh;
int rv = 1;
if (ca->ca_type.iodc_type != HPPA_TYPE_FIO ||
(ca->ca_type.iodc_sv_model != HPPA_FIO_GSCSI &&
ca->ca_type.iodc_sv_model != HPPA_FIO_SCSI))
if (ca->ca_type.iodc_type != HPPA_TYPE_ADMA ||
ca->ca_type.iodc_sv_model != HPPA_ADMA_FWSCSI)
return 0;
iot = HPPA_BUS_TAG_SET_BYTE(ca->ca_iot);
if (bus_space_map(ca->ca_iot, ca->ca_hpa, IOMOD_HPASIZE, 0, &ioh))
return 0;
ioh |= IOMOD_DEVOFFSET;
ioh &= ~IOMOD_DEVOFFSET;
bus_space_unmap(ca->ca_iot, ioh, IOMOD_HPASIZE);
return rv;
}
void
ncr53c7xx_gsc_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
register struct ncr53c7xx_softc *sc = (void *)self;
register struct confargs *ca = aux;
sc->sc_iot = HPPA_BUS_TAG_SET_BYTE(ca->ca_iot);
if (bus_space_map(sc->sc_iot, ca->ca_hpa, IOMOD_HPASIZE,
0, &sc->sc_ioh))
panic("ncr53c7xx_gsc_attach: couldn't map I/O ports");
sc->sc_ioh |= IOMOD_DEVOFFSET;
sc->sc_clock_freq = ca->ca_pdc_iodc_read->filler2[14] / 1000000;
if (!sc->sc_clock_freq)
sc->sc_clock_freq = 50;
if (ca->ca_type.iodc_sv_model == HPPA_FIO_GSCSI)
sc->sc_type = 10;
else if (ca->ca_type.iodc_sv_model == HPPA_ADMA_FWSCSI)
sc->sc_type = 20;
else
sc->sc_type = 0;
sc->sc_ctest7 = 0;
sc->sc_dcntl = 0;
sc->sc_flags = NCR53C7XX_NODMA;
sc->sc_link.adapter_softc = sc;
sc->sc_link.adapter_target = 7;
sc->sc_link.adapter = &ncr53c7xx_gsc_scsiswitch;
sc->sc_link.device = &ncr53c7xx_gsc_scsidev;
sc->sc_link.openings = 2;
ncr53c7xx_initialize(sc);
config_found(self, &sc->sc_link, scsiprint);
}