diff options
Diffstat (limited to 'sys/arch/sun3/dev/si_obio.c')
| -rw-r--r-- | sys/arch/sun3/dev/si_obio.c | 108 |
1 files changed, 33 insertions, 75 deletions
diff --git a/sys/arch/sun3/dev/si_obio.c b/sys/arch/sun3/dev/si_obio.c index 61c073f81a6..793c0a3b26c 100644 --- a/sys/arch/sun3/dev/si_obio.c +++ b/sys/arch/sun3/dev/si_obio.c @@ -1,10 +1,12 @@ -/* $NetBSD: si_obio.c,v 1.2 1996/06/17 23:21:35 gwr Exp $ */ +/* $NetBSD: si_obio.c,v 1.7 1996/11/20 18:57:00 gwr Exp $ */ -/* - * Copyright (c) 1995 David Jones, Gordon W. Ross - * Copyright (c) 1994 Adam Glass +/*- + * Copyright (c) 1996 The NetBSD Foundation, Inc. * All rights reserved. * + * This code is derived from software contributed to The NetBSD Foundation + * by Adam Glass, David Jones, and Gordon W. Ross. + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -13,23 +15,25 @@ * 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. The name of the authors may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * 4. All advertising materials mentioning features or use of this software + * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: - * This product includes software developed by - * Adam Glass, David Jones, and Gordon Ross + * This product includes software developed by the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. * - * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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. + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``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 REGENTS OR CONTRIBUTORS 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. */ /* @@ -128,9 +132,6 @@ struct cfattach si_obio_ca = { /* Options. Interesting values are: 1,3,7 */ /* XXX: Using 1 for now to mask a (pmap?) bug not yet found... */ int si_obio_options = 1; /* XXX */ -#define SI_ENABLE_DMA 1 /* Use DMA (maybe polled) */ -#define SI_DMA_INTR 2 /* DMA completion interrupts */ -#define SI_DO_RESELECT 4 /* Allow disconnect/reselect */ static int @@ -140,38 +141,16 @@ si_obio_match(parent, vcf, args) { struct cfdata *cf = vcf; struct confargs *ca = args; - int pa, x; - -#ifdef DIAGNOSTIC - if (ca->ca_bustype != BUS_OBIO) { - printf("si_obio_match: bustype %d?\n", ca->ca_bustype); - return (0); - } -#endif - /* - * OBIO match functions may be called for every possible - * physical address, so match only our physical address. - */ - if ((pa = cf->cf_paddr) == -1) { - /* Use our default PA. */ - pa = OBIO_NCR_SCSI; - } - if (pa != ca->ca_paddr) + /* Make sure there is something there... */ + if (bus_peek(ca->ca_bustype, ca->ca_paddr + 1, 1) == -1) return (0); -#if 0 - if ((cpu_machine_id != SUN3_MACH_50) && - (cpu_machine_id != SUN3_MACH_60) ) - { - /* Only 3/50 and 3/60 have the obio si. */ - return (0); - } -#endif + /* Default interrupt priority. */ + if (ca->ca_intpri == -1) + ca->ca_intpri = 2; - /* Make sure there is something there... */ - x = bus_peek(ca->ca_bustype, ca->ca_paddr + 1, 1); - return (x != -1); + return (1); } static void @@ -183,21 +162,10 @@ si_obio_attach(parent, self, args) struct ncr5380_softc *ncr_sc = &sc->ncr_sc; struct cfdata *cf = self->dv_cfdata; struct confargs *ca = args; - int intpri; - - /* Default interrupt level. */ - if ((intpri = cf->cf_intpri) == -1) - intpri = 2; - printf(" level %d", intpri); - /* XXX: Get options from flags... */ - printf(" : options=%d\n", si_obio_options); - - ncr_sc->sc_flags = 0; - if (si_obio_options & SI_DO_RESELECT) - ncr_sc->sc_flags |= NCR5380_PERMIT_RESELECT; - if ((si_obio_options & SI_DMA_INTR) == 0) - ncr_sc->sc_flags |= NCR5380_FORCE_POLLING; + /* Get options from config flags... */ + sc->sc_options = cf->cf_flags | si_obio_options; + printf(": options=%d\n", sc->sc_options); sc->sc_adapter_type = ca->ca_bustype; sc->sc_regs = (struct si_regs *) @@ -218,21 +186,11 @@ si_obio_attach(parent, self, args) ncr_sc->sc_intr_on = NULL; ncr_sc->sc_intr_off = NULL; - ncr_sc->sc_min_dma_len = MIN_DMA_LEN; - -#if 1 /* XXX - Temporary */ - /* XXX - In case we think DMA is completely broken... */ - if ((si_obio_options & SI_ENABLE_DMA) == 0) { - /* Override this function pointer. */ - ncr_sc->sc_dma_alloc = NULL; - } -#endif - /* Need DVMA-capable memory for the UDC command block. */ sc->sc_dmacmd = dvma_malloc(sizeof (struct udc_table)); /* Attach interrupt handler. */ - isr_add_autovect(si_intr, (void *)sc, intpri); + isr_add_autovect(si_intr, (void *)sc, ca->ca_intpri); /* Do the common attach stuff. */ si_attach(sc); |