NetBSD/sys/arch/mipsco/obio/obio.c

148 lines
4.2 KiB
C

/* $NetBSD: obio.c,v 1.6 2002/10/02 05:38:11 thorpej Exp $ */
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Wayne Knowles
*
* 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 <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/autoconf.h>
#include <machine/mainboard.h>
#include <machine/bus.h>
#include <machine/sysconf.h>
static int obio_match __P((struct device *, struct cfdata *, void *));
static void obio_attach __P((struct device *, struct device *, void *));
static int obio_search __P((struct device *, struct cfdata *, void *));
static int obio_print __P((void *, const char *));
static void obio_intr_establish __P((bus_space_tag_t, int, int, int,
int (*)(void *), void *));
CFATTACH_DECL(obio, sizeof(struct device),
obio_match, obio_attach, NULL, NULL);
extern struct cfdriver obio_cd;
struct mipsco_bus_space obio_bustag;
struct mipsco_bus_dma_tag obio_dmatag;
static int
obio_match(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct confargs *ca = aux;
if (strcmp(ca->ca_name, obio_cd.cd_name) != 0)
return 0;
return 1;
}
static void
obio_attach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
struct confargs *ca = aux;
/* PIZAZZ (Mips 3000 Magnum) Address Map */
mipsco_bus_space_init(&obio_bustag, "obio",
0x18000000, 0xb8000000,
0xb8000000, 0x08000000);
_bus_dma_tag_init(&obio_dmatag);
obio_bustag.bs_intr_establish = obio_intr_establish; /* XXX */
ca->ca_bustag = &obio_bustag;
ca->ca_dmatag = &obio_dmatag;
printf("\n");
config_search(obio_search, self, ca);
}
static int
obio_search(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct confargs *ca = aux;
ca->ca_addr = cf->cf_addr;
ca->ca_name = cf->cf_name;
if (config_match(parent, cf, ca) != 0)
config_attach(parent, cf, ca, obio_print);
return 0;
}
/*
* Print out the confargs. The (parent) name is non-NULL
* when there was no match found by config_found().
*/
static int
obio_print(args, name)
void *args;
const char *name;
{
struct confargs *ca = args;
if (name)
return(QUIET);
if (ca->ca_addr != -1)
printf(" addr 0x%x", ca->ca_addr);
return(UNCONF);
}
void
obio_intr_establish(bst, level, pri, flags, func, arg)
bus_space_tag_t bst;
int level;
int pri;
int flags;
int (*func) __P((void *));
void *arg;
{
(*platform.intr_establish)(level, func, arg);
}