120 lines
3.7 KiB
C
120 lines
3.7 KiB
C
/* $NetBSD: ofbus.c,v 1.10 1998/02/24 05:44:39 mycroft Exp $ */
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/*
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* Copyright (C) 1995, 1996 Wolfgang Solfrank.
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* Copyright (C) 1995, 1996 TooLs GmbH.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by TooLs GmbH.
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* 4. The name of TooLs GmbH may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <dev/ofw/openfirm.h>
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int ofbus_match __P((struct device *, struct cfdata *, void *));
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void ofbus_attach __P((struct device *, struct device *, void *));
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static int ofbus_print __P((void *, const char *));
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struct cfattach ofbus_ca = {
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sizeof(struct device), ofbus_match, ofbus_attach
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};
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static int
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ofbus_print(aux, pnp)
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void *aux;
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const char *pnp;
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{
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struct ofbus_attach_args *oba = aux;
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char name[64];
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(void)of_packagename(oba->oba_phandle, name, sizeof name);
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if (pnp)
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printf("%s at %s", name, pnp);
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else
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printf(" (%s)", name);
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return UNCONF;
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}
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int
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ofbus_match(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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void *aux;
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{
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struct ofbus_attach_args *oba = aux;
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if (strcmp(oba->oba_busname, "ofw"))
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return (0);
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if (!OF_child(oba->oba_phandle))
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return (0);
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return (1);
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}
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void
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ofbus_attach(parent, dev, aux)
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struct device *parent, *dev;
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void *aux;
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{
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int child;
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char name[5];
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struct ofbus_attach_args *oba = aux;
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struct ofbus_attach_args oba2;
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int units;
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printf("\n");
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/*
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* This is a hack to make the probe work on the scsi (and ide) bus.
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* YES, I THINK IT IS A BUG IN THE OPENFIRMWARE TO NOT PROBE ALL
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* DEVICES ON THESE BUSSES.
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*/
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units = 1;
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if (OF_getprop(oba->oba_phandle, "name", name, sizeof name) > 0) {
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if (!strcmp(name, "scsi"))
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units = 7; /* What about wide or hostid != 7? XXX */
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else if (!strcmp(name, "ide"))
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units = 2;
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}
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for (child = OF_child(oba->oba_phandle); child;
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child = OF_peer(child)) {
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/*
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* This is a hack to skip all the entries in the tree
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* that aren't devices (packages, openfirmware etc.).
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*/
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if (OF_getprop(child, "device_type", name, sizeof name) < 0 &&
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OF_getprop(child, "compatible", name, sizeof name) < 0)
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continue;
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oba2.oba_busname = "ofw";
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oba2.oba_phandle = child;
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for (oba2.oba_unit = 0; oba2.oba_unit < units; oba2.oba_unit++)
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config_found(dev, &oba2, ofbus_print);
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}
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}
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