172 lines
5.8 KiB
C
172 lines
5.8 KiB
C
/* $NetBSD: oosiop_gsc.c,v 1.4 2005/12/11 12:17:24 christos Exp $ */
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/*
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* Copyright (c) 2001 Matt Fredette. All rights reserved.
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* Copyright (c) 2001,2002 Izumi Tsutsui. 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. 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 AUTHORS ``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 AUTHORS 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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/* $OpenBSD: siop_gsc.c,v 1.1 1998/11/04 17:01:35 mickey Exp $ */
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/*
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* Copyright (c) 1998 Michael Shalayeff
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* 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 Michael Shalayeff.
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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/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: oosiop_gsc.c,v 1.4 2005/12/11 12:17:24 christos Exp $");
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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 <sys/buf.h>
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#include <sys/malloc.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 <machine/cpu.h>
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#include <machine/intr.h>
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#include <machine/iomod.h>
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#include <machine/autoconf.h>
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#include <machine/bus.h>
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#include <dev/ic/oosiopreg.h>
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#include <dev/ic/oosiopvar.h>
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#include <hp700/dev/cpudevs.h>
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#include <hp700/gsc/gscbusvar.h>
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#include <hp700/hp700/machdep.h>
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#define OOSIOP_GSC_RESET 0x0000
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#define OOSIOP_GSC_OFFSET 0x0100
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int oosiop_gsc_match(struct device *, struct cfdata *, void *);
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void oosiop_gsc_attach(struct device *, struct device *, void *);
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int oosiop_gsc_intr(void *);
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CFATTACH_DECL(oosiop_gsc, sizeof(struct oosiop_softc),
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oosiop_gsc_match, oosiop_gsc_attach, NULL, NULL);
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int
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oosiop_gsc_match(struct device *parent, struct cfdata *match, void *aux)
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{
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struct gsc_attach_args *ga = aux;
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bus_space_handle_t ioh;
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int rv = 1;
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if (ga->ga_type.iodc_type != HPPA_TYPE_FIO ||
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ga->ga_type.iodc_sv_model != HPPA_FIO_SCSI)
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return 0;
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if (bus_space_map(ga->ga_iot, ga->ga_hpa,
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OOSIOP_GSC_OFFSET + OOSIOP_NREGS, 0, &ioh))
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return 0;
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bus_space_unmap(ga->ga_iot, ioh, OOSIOP_GSC_OFFSET + OOSIOP_NREGS);
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return rv;
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}
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void
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oosiop_gsc_attach(struct device *parent, struct device *self, void *aux)
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{
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struct oosiop_softc *sc = (void *)self;
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struct gsc_attach_args *ga = aux;
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bus_space_handle_t ioh;
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sc->sc_bst = ga->ga_iot;
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sc->sc_dmat = ga->ga_dmatag;
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if (bus_space_map(sc->sc_bst, ga->ga_hpa,
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OOSIOP_GSC_OFFSET + OOSIOP_NREGS, 0, &ioh))
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panic("oosiop_gsc_attach: couldn't map I/O ports");
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if (bus_space_subregion(sc->sc_bst, ioh,
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OOSIOP_GSC_OFFSET, OOSIOP_NREGS, &sc->sc_bsh))
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panic("oosiop_gsc_attach: couldn't get chip ports");
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sc->sc_freq = ga->ga_ca.ca_pdc_iodc_read->filler2[14];
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if (sc->sc_freq == 0)
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sc->sc_freq = 50000000;
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sc->sc_chip = OOSIOP_700;
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sc->sc_id = ga->ga_scsi_target;
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/*
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* Reset SCSI subsystem.
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*/
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bus_space_write_1(sc->sc_bst, ioh, OOSIOP_GSC_RESET, 0);
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DELAY(1000);
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/*
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* Call common attachment
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*/
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oosiop_attach(sc);
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(void)hp700_intr_establish(&sc->sc_dev, IPL_BIO,
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oosiop_gsc_intr, sc, ga->ga_int_reg, ga->ga_irq);
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}
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/*
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* interrupt handler
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*/
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int
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oosiop_gsc_intr(void *arg)
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{
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struct oosiop_softc *sc = arg;
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int rv;
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rv = oosiop_intr(sc);
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/* Blink the LED. */
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hp700_led_blink(HP700_LED_DISK);
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return rv;
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}
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