NetBSD/sys/arch/x68k/dev/spc.c

123 lines
3.9 KiB
C

/* $NetBSD: spc.c,v 1.20 1999/03/16 16:30:20 minoura Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jarle Greipsland, Charles M. Hannum and Masaru Oki.
*
* 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.
*/
#include "opt_ddb.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <machine/cpu.h>
#include <dev/scsipi/scsi_all.h>
#include <dev/scsipi/scsipi_all.h>
#include <dev/scsipi/scsiconf.h>
#include <arch/x68k/dev/intiovar.h>
#include <arch/x68k/dev/scsiromvar.h>
#include <arch/x68k/x68k/iodevice.h>
#include <dev/ic/mb89352var.h>
#include <dev/ic/mb89352reg.h>
static int spc_intio_match __P((struct device *, struct cfdata *, void *));
static void spc_intio_attach __P((struct device *, struct device *, void *));
struct cfattach spc_intio_ca = {
sizeof (struct spc_softc), spc_intio_match, spc_intio_attach
};
static int
spc_intio_match(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct intio_attach_args *ia = aux;
bus_space_tag_t iot = ia->ia_bst;
bus_space_handle_t ioh;
ia->ia_size=0x20;
if (intio_map_allocate_region(parent->dv_parent, ia,
INTIO_MAP_TESTONLY) < 0)
return 0;
if (bus_space_map(iot, ia->ia_addr, 0x20, BUS_SPACE_MAP_SHIFTED,
&ioh) < 0)
return 0;
if (badaddr (INTIO_ADDR(ia->ia_addr + BDID)))
return 0;
bus_space_unmap(iot, ioh, 0x20);
return 1;
}
static void
spc_intio_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct spc_softc *sc = (struct spc_softc *)self;
struct intio_attach_args *ia = aux;
bus_space_tag_t iot = ia->ia_bst;
bus_space_handle_t ioh;
printf ("\n");
intio_map_allocate_region(parent->dv_parent, ia,
INTIO_MAP_ALLOCATE);
if (bus_space_map(iot, ia->ia_addr, 0x20, BUS_SPACE_MAP_SHIFTED,
&ioh)) {
printf("%s: can't map i/o space\n", sc->sc_dev.dv_xname);
return;
}
sc->sc_iot = iot;
sc->sc_ioh = ioh;
sc->sc_initiator = IODEVbase->io_sram[0x70] & 0x7; /* XXX */
if (intio_intr_establish(ia->ia_intr, "spc", spcintr, sc))
panic ("spcattach: interrupt vector busy");
spcattach(sc);
}