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| -rw-r--r-- | sys/arch/hppa/gsc/ncr53c7xx_gsc.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/sys/arch/hppa/gsc/ncr53c7xx_gsc.c b/sys/arch/hppa/gsc/ncr53c7xx_gsc.c new file mode 100644 index 00000000000..209541dfbb6 --- /dev/null +++ b/sys/arch/hppa/gsc/ncr53c7xx_gsc.c @@ -0,0 +1,142 @@ +/* $OpenBSD: ncr53c7xx_gsc.c,v 1.1 1998/10/01 05:07:32 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 <hppa/dev/cpudevs.h> + +int ncr53c7xx_gsc_probe __P((struct device *, void *, void *)); +void ncr53c7xx_gsc_attach __P((struct device *, struct device *, void *)); + +struct cfattach ncr_ca = { + sizeof(struct ncr53c7xx_softc), + ncr53c7xx_gsc_probe, ncr53c7xx_gsc_attach +}; + +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; + 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; + + 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 = 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); +} |