124 lines
3.7 KiB
C
124 lines
3.7 KiB
C
/* $NetBSD: ofbus.c,v 1.19 2005/02/04 02:10:44 perry 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/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: ofbus.c,v 1.19 2005/02/04 02:10:44 perry Exp $");
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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(struct device *, struct cfdata *, void *);
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void ofbus_attach(struct device *, struct device *, void *);
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static int ofbus_print(void *, const char *);
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CFATTACH_DECL(ofbus, sizeof(struct device),
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ofbus_match, ofbus_attach, NULL, NULL);
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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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if (pnp)
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aprint_normal("%s at %s", oba->oba_ofname, pnp);
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else
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aprint_normal(" (%s)", oba->oba_ofname);
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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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struct ofbus_attach_args *oba = aux;
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struct ofbus_attach_args oba2;
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char name[64];
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int child, 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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name[0] = 0;
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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 != 0;
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child = OF_peer(child)) {
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oba2.oba_busname = "ofw";
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of_packagename(child, name, sizeof name);
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oba2.oba_phandle = child;
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for (oba2.oba_unit = 0; oba2.oba_unit < units;
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oba2.oba_unit++) {
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if (units > 1) {
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snprintf(oba2.oba_ofname,
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sizeof(oba2.oba_ofname), "%s@%d", name,
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oba2.oba_unit);
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} else {
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strlcpy(oba2.oba_ofname, name,
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sizeof(oba2.oba_ofname));
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}
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config_found(dev, &oba2, ofbus_print);
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}
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}
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}
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