NetBSD/sys/arch/evbmips/alchemy/pb1000_obio.c

131 lines
3.8 KiB
C

/* $NetBSD: pb1000_obio.c,v 1.6 2003/07/15 01:37:31 lukem Exp $ */
/*
* Copyright 2002 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Simon Burge for Wasabi Systems, Inc.
*
* 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 for the NetBSD Project by
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
* 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: pb1000_obio.c,v 1.6 2003/07/15 01:37:31 lukem Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <mips/cache.h>
#include <mips/cpuregs.h>
#include <evbmips/alchemy/pb1000reg.h>
#include <evbmips/alchemy/pb1000_obiovar.h>
#include "locators.h"
static int obio_match(struct device *, struct cfdata *, void *);
static void obio_attach(struct device *, struct device *, void *);
static int obio_submatch(struct device *, struct cfdata *, void *);
static int obio_print(void *, const char *);
CFATTACH_DECL(obio, sizeof(struct device),
obio_match, obio_attach, NULL, NULL);
/* There can be only one. */
int obio_found;
struct obiodev {
const char *od_name;
bus_addr_t od_addr;
int od_irq;
};
struct obiodev obiodevs[] = {
{ "pcmcia", -1, -1 },
{ "lcd", -1, -1 },
{ "flash", -1, -1 },
{ NULL, 0, 0 },
};
static int
obio_match(struct device *parent, struct cfdata *match, void *aux)
{
if (obio_found)
return (0);
return (1);
}
static void
obio_attach(struct device *parent, struct device *self, void *aux)
{
struct obio_attach_args oa;
struct obiodev *od;
obio_found = 1;
printf("\n");
for (od = obiodevs; od->od_name != NULL; od++) {
oa.oba_name = od->od_name;
oa.oba_addr = od->od_addr;
oa.oba_irq = od->od_irq;
(void) config_found_sm(self, &oa, obio_print,
obio_submatch);
}
}
static int
obio_submatch(struct device *parent, struct cfdata *cf, void *aux)
{
struct obio_attach_args *oa = aux;
if (cf->cf_loc[OBIOCF_ADDR] != OBIOCF_ADDR_DEFAULT &&
cf->cf_loc[OBIOCF_ADDR] != oa->oba_addr)
return (0);
return (config_match(parent, cf, aux));
}
static int
obio_print(void *aux, const char *pnp)
{
struct obio_attach_args *oa = aux;
if (pnp)
aprint_normal("%s at %s", oa->oba_name, pnp);
if (oa->oba_addr != OBIOCF_ADDR_DEFAULT)
aprint_normal(" addr 0x%lx", oa->oba_addr);
return (UNCONF);
}