NetBSD/sys/arch/arc/jazz/oosiop_jazzio.c

107 lines
3.2 KiB
C

/* $NetBSD: oosiop_jazzio.c,v 1.6 2008/03/29 09:11:35 tsutsui Exp $ */
/*
* Copyright (c) 2001 Shuichiro URATA. 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. 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/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: oosiop_jazzio.c,v 1.6 2008/03/29 09:11:35 tsutsui Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/buf.h>
#include <sys/malloc.h>
#include <dev/scsipi/scsi_all.h>
#include <dev/scsipi/scsipi_all.h>
#include <dev/scsipi/scsiconf.h>
#include <dev/scsipi/scsi_message.h>
#include <machine/cpu.h>
#include <machine/autoconf.h>
#include <machine/bus.h>
#include <dev/ic/oosiopreg.h>
#include <dev/ic/oosiopvar.h>
#include <arc/jazz/jazziovar.h>
#include "ioconf.h"
int oosiop_jazzio_match(device_t, cfdata_t, void *);
void oosiop_jazzio_attach(device_t, device_t, void *);
CFATTACH_DECL_NEW(oosiop_jazzio, sizeof(struct oosiop_softc),
oosiop_jazzio_match, oosiop_jazzio_attach, NULL, NULL);
/*
* Match driver based on name
*/
int
oosiop_jazzio_match(device_t parent, cfdata_t cf, void *aux)
{
struct jazzio_attach_args *ja = aux;
if (strcmp(ja->ja_name, "NCRC700") != 0)
return 0;
return 1;
}
void
oosiop_jazzio_attach(device_t parent, device_t self, void *aux)
{
struct oosiop_softc *sc = device_private(self);
struct jazzio_attach_args *ja = aux;
int i, scid;
sc->sc_dev = self;
sc->sc_bst = ja->ja_bust;
sc->sc_dmat = ja->ja_dmat;
if (bus_space_map(sc->sc_bst, ja->ja_addr,
OOSIOP_NREGS, 0, &sc->sc_bsh) != 0) {
aprint_error(": failed to map regsters\n");
return;
}
sc->sc_chip = OOSIOP_700_66;
sc->sc_freq = 50000000;
/* Preserve host id */
scid = oosiop_read_1(sc, OOSIOP_SCID);
for (i = 0; i < OOSIOP_NTGT; i++)
if (scid & (1 << i))
break;
if (i == OOSIOP_NTGT)
i = OOSIOP_NTGT - 1;
sc->sc_id = i;
jazzio_intr_establish(ja->ja_intr, (intr_handler_t)oosiop_intr, sc);
oosiop_attach(sc);
}