141 lines
3.8 KiB
C
141 lines
3.8 KiB
C
/* $NetBSD: ofbus.c,v 1.5 1998/01/12 09:33:31 thorpej 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/device.h>
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#include <dev/ofw/openfirm.h>
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int ofbprobe __P((struct device *, struct cfdata *, void *));
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void ofbattach __P((struct device *, struct device *, void *));
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static int ofbprint __P((void *, const char *));
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struct cfattach ofbus_ca = {
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sizeof(struct device), ofbprobe, ofbattach
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};
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struct cfattach ofroot_ca = {
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sizeof(struct device), ofbprobe, ofbattach
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};
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static int
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ofbprint(aux, name)
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void *aux;
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const char *name;
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{
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struct ofprobe *ofp = aux;
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char child[64];
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int l;
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if ((l = OF_getprop(ofp->phandle, "name", child, sizeof child - 1)) < 0)
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panic("device without name?");
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if (l >= sizeof child)
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l = sizeof child - 1;
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child[l] = 0;
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if (name)
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printf("%s at %s", child, name);
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else
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printf(" (%s)", child);
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return UNCONF;
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}
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int
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ofbprobe(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 ofprobe *ofp = aux;
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if (!OF_child(ofp->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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ofbattach(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 ofprobe *ofp = aux;
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struct ofprobe probe;
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int units;
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if (!parent)
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ofbprint(aux, 0);
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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(ofp->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(ofp->phandle); child; 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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continue;
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probe.phandle = child;
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for (probe.unit = 0; probe.unit < units; probe.unit++)
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config_found(dev, &probe, ofbprint);
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}
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}
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/*
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* Name matching routine for OpenFirmware
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*/
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int
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ofnmmatch(cp1, cp2)
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char *cp1, *cp2;
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{
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int i;
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for (i = 0; *cp2; i++)
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if (*cp1++ != *cp2++)
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return 0;
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return i;
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}
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