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/* $OpenBSD: obio.c,v 1.3 2006/06/01 17:06:16 drahn Exp $ */
/* $NetBSD: obio.c,v 1.14 2005/12/11 12:17:09 christos Exp $ */
/*
* Copyright (c) 2001, 2002, 2003 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Jason R. Thorpe 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.
*/
/*
* On-board device autoconfiguration support for Intel IQ80321
* evaluation boards.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <arm/mainbus/mainbus.h>
#include <arm/xscale/i80321reg.h>
#include <armish/dev/iq80321reg.h>
#include <armish/dev/iq80321var.h>
#include <armish/dev/obiovar.h>
int obio_match(struct device *, void *, void *);
void obio_attach(struct device *, struct device *, void *);
struct cfattach obio_ca = {
sizeof(struct device), obio_match, obio_attach
};
struct cfdriver obio_cd = {
NULL, "obio", DV_DULL
};
int obio_print(void *, const char *);
int obio_search(struct device *, void *, void *);
/* there can be only one */
int obio_found;
int
obio_match(struct device *parent, void *match, void *aux)
{
struct mainbus_attach_args *ma = aux;
struct cfdata *cf = match;
if (obio_found)
return (0);
if (strcmp(cf->cf_driver->cd_name, ma->ma_name) == 0)
return (1);
return (0);
}
void
obio_attach(struct device *parent, struct device *self, void *aux)
{
struct device *sc = self;
obio_found = 1;
printf("\n");
/*
* Attach all the on-board devices as described in the kernel
* configuration file.
*/
config_search(obio_search, self, sc);
}
int
obio_print(void *aux, const char *pnp)
{
struct obio_attach_args *oba = aux;
printf(" addr 0x%08lx", oba->oba_addr);
if (oba->oba_irq != -1)
printf(" intr %d", oba->oba_irq);
return (UNCONF);
}
int
obio_search(struct device *parent, void *v, void *aux)
{
struct obio_attach_args oba;
struct cfdata *cf = v;
oba.oba_st = &obio_bs_tag;
oba.oba_addr = cf->cf_loc[0];
oba.oba_size = cf->cf_loc[1];
oba.oba_width = cf->cf_loc[2];
if (cf->cf_loc[3] != -1)
oba.oba_irq = ICU_INT_XINT(cf->cf_loc[3]);
else
oba.oba_irq = -1;
config_found(parent, &oba, obio_print);
return (0);
}
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