NetBSD/sys/arch/arm32/podulebus/oak.c

191 lines
5.7 KiB
C

/* $NetBSD: oak.c,v 1.13 1998/03/14 17:06:17 mark Exp $ */
/*
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Mark Brinicombe of Causality Limited.
*
* 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 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 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 FOUNDATION 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.
*/
/*
* Oak SCSI 1 driver using the generic NCR5380 driver
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <sys/buf.h>
#include <dev/scsipi/scsi_all.h>
#include <dev/scsipi/scsipi_all.h>
#include <dev/scsipi/scsiconf.h>
#include <dev/ic/ncr5380reg.h>
#include <dev/ic/ncr5380var.h>
#include <machine/io.h>
#include <machine/bootconfig.h>
#include <arm32/podulebus/podulebus.h>
#include <arm32/podulebus/podules.h>
void oak_attach __P((struct device *, struct device *, void *));
int oak_match __P((struct device *, struct cfdata *, void *));
static void oak_minphys __P((struct buf *bp));
struct scsipi_adapter oak_scsiswitch = {
ncr5380_scsi_cmd, /* scsi_cmd() */
oak_minphys, /* scsi_minphys() */
0, /* no lun support */
0, /* no lun support */
};
struct scsipi_device oak_scsidev = {
NULL, /* use default error handler */
NULL, /* do not have a start functio */
NULL, /* have no async handler */
NULL, /* Use default done routine */
};
/*
* Oak SCSI 1 softc structure.
*
* Contains the generic ncr5380 device node, podule information and global information
* required by the driver.
*/
struct oak_softc {
struct ncr5380_softc sc_ncr5380;
int sc_podule_number;
podule_t *sc_podule;
};
struct cfattach oak_ca = {
sizeof(struct oak_softc), oak_match, oak_attach
};
/*
* Card probe function
*
* Just match the manufacturer and podule ID's
*/
int
oak_match(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct podule_attach_args *pa = aux;
if (matchpodule(pa, MANUFACTURER_OAK, PODULE_OAK_SCSI, -1) == 0)
return(0);
return(1);
}
/*
* Card attach function
*
*/
void
oak_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct oak_softc *sc = (struct oak_softc *)self;
struct podule_attach_args *pa = aux;
u_char *iobase;
/* Note the podule number and validate */
if (pa->pa_podule_number == -1)
panic("Podule has disappeared !");
sc->sc_podule_number = pa->pa_podule_number;
sc->sc_podule = pa->pa_podule;
podules[sc->sc_podule_number].attached = 1;
sc->sc_ncr5380.sc_flags |= NCR5380_FORCE_POLLING;
sc->sc_ncr5380.sc_min_dma_len = 0;
sc->sc_ncr5380.sc_no_disconnect = 0xff;
sc->sc_ncr5380.sc_parity_disable = 0xff;
sc->sc_ncr5380.sc_dma_alloc = NULL;
sc->sc_ncr5380.sc_dma_free = NULL;
sc->sc_ncr5380.sc_dma_poll = NULL;
sc->sc_ncr5380.sc_dma_setup = NULL;
sc->sc_ncr5380.sc_dma_start = NULL;
sc->sc_ncr5380.sc_dma_eop = NULL;
sc->sc_ncr5380.sc_dma_stop = NULL;
sc->sc_ncr5380.sc_intr_on = NULL;
sc->sc_ncr5380.sc_intr_off = NULL;
iobase = (u_char *)pa->pa_podule->mod_base;
sc->sc_ncr5380.sci_r0 = iobase + 0;
sc->sc_ncr5380.sci_r1 = iobase + 4;
sc->sc_ncr5380.sci_r2 = iobase + 8;
sc->sc_ncr5380.sci_r3 = iobase + 12;
sc->sc_ncr5380.sci_r4 = iobase + 16;
sc->sc_ncr5380.sci_r5 = iobase + 20;
sc->sc_ncr5380.sci_r6 = iobase + 24;
sc->sc_ncr5380.sci_r7 = iobase + 28;
sc->sc_ncr5380.sc_pio_in = ncr5380_pio_in;
sc->sc_ncr5380.sc_pio_out = ncr5380_pio_out;
sc->sc_ncr5380.sc_link.scsipi_scsi.channel = SCSI_CHANNEL_ONLY_ONE;
sc->sc_ncr5380.sc_link.adapter_softc = sc;
sc->sc_ncr5380.sc_link.scsipi_scsi.adapter_target = 7;
sc->sc_ncr5380.sc_link.adapter = &oak_scsiswitch;
sc->sc_ncr5380.sc_link.device = &oak_scsidev;
/* Provide an override for the host id */
(void)get_bootconf_option(boot_args, "oak.hostid",
BOOTOPT_TYPE_INT, &sc->sc_ncr5380.sc_link.scsipi_scsi.adapter_target);
printf(" host=%d, using 8 bit PIO\n",
sc->sc_ncr5380.sc_link.scsipi_scsi.adapter_target);
ncr5380_init(&sc->sc_ncr5380);
ncr5380_reset_scsibus(&sc->sc_ncr5380);
config_found(&sc->sc_ncr5380.sc_dev, &sc->sc_ncr5380.sc_link, scsiprint);
}
static void
oak_minphys(bp)
struct buf *bp;
{
return(minphys(bp));
}