NetBSD/sys/dev/ofw/ofbus.c

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/* $NetBSD: ofbus.c,v 1.11 2001/10/22 14:36:55 thorpej Exp $ */
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/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
* Copyright (C) 1995, 1996 TooLs GmbH.
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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>
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#include <sys/device.h>
#include <dev/ofw/openfirm.h>
int ofbus_match __P((struct device *, struct cfdata *, void *));
void ofbus_attach __P((struct device *, struct device *, void *));
static int ofbus_print __P((void *, const char *));
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struct cfattach ofbus_ca = {
sizeof(struct device), ofbus_match, ofbus_attach
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};
static int
ofbus_print(aux, pnp)
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void *aux;
const char *pnp;
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{
struct ofbus_attach_args *oba = aux;
char name[64];
(void)of_packagename(oba->oba_phandle, name, sizeof name);
if (pnp)
printf("%s at %s", name, pnp);
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else
printf(" (%s)", name);
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return UNCONF;
}
int
ofbus_match(parent, cf, aux)
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struct device *parent;
struct cfdata *cf;
void *aux;
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{
struct ofbus_attach_args *oba = aux;
if (strcmp(oba->oba_busname, "ofw"))
return (0);
if (!OF_child(oba->oba_phandle))
return (0);
return (1);
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}
void
ofbus_attach(parent, dev, aux)
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struct device *parent, *dev;
void *aux;
{
int child;
char name[5];
struct ofbus_attach_args *oba = aux;
struct ofbus_attach_args oba2;
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int units;
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printf("\n");
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/*
* This is a hack to make the probe work on the scsi (and ide) bus.
* YES, I THINK IT IS A BUG IN THE OPENFIRMWARE TO NOT PROBE ALL
* DEVICES ON THESE BUSSES.
*/
units = 1;
if (OF_getprop(oba->oba_phandle, "name", name, sizeof name) > 0) {
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if (!strcmp(name, "scsi"))
units = 7; /* What about wide or hostid != 7? XXX */
else if (!strcmp(name, "ide"))
units = 2;
}
for (child = OF_child(oba->oba_phandle); child != 0;
child = OF_peer(child)) {
oba2.oba_busname = "ofw";
oba2.oba_phandle = child;
for (oba2.oba_unit = 0; oba2.oba_unit < units; oba2.oba_unit++)
config_found(dev, &oba2, ofbus_print);
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}
}