NetBSD/sys/arch/arm26/mainbus/mainbus.c

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2000-05-10 01:55:44 +04:00
/* $NetBSD: mainbus.c,v 1.1 2000/05/09 21:56:02 bjh21 Exp $ */
/*-
* Copyright (c) 1998 Ben Harris
* 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.
*/
/* This file is part of NetBSD/arm26 -- a port of NetBSD to ARM2/3 machines. */
/*
* mainbus.c - the root device
*/
#include <sys/param.h>
#include <sys/device.h>
#include <sys/systm.h>
static int mainbus_match __P((struct device *parent, struct cfdata *cf, void *aux));
static void mainbus_attach __P((struct device *parent, struct device *self, void *aux));
static int mainbus_search __P((struct device *parent, struct cfdata *cf, void *aux));
static int mainbus_print __P((void *aux, const char *pnp));
struct mainbus_softc {
struct device sc_dev;
};
struct cfattach mainbus_ca = {
sizeof(struct mainbus_softc), mainbus_match, mainbus_attach
};
extern struct cfdriver mainbus_cd;
static int
mainbus_match(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
/* Only one mainbus */
if (cf->cf_unit == 0)
return 1;
else
return 0;
}
static void
mainbus_attach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
printf("\n");
config_search(mainbus_search, self, NULL);
}
static int
mainbus_search(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
/*
* Things attached at mainbus are assumed not to need to be
* told where they are.
*/
if ((cf->cf_attach->ca_match)(parent, cf, NULL) > 0)
config_attach(parent, cf, NULL, mainbus_print);
return 0;
}
static int
mainbus_print(aux, pnp)
void *aux;
const char *pnp;
{
return UNCONF;
}