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/* $OpenBSD: ofbus.c,v 1.9 2000/10/16 00:18:01 drahn Exp $ */
/* $NetBSD: ofbus.c,v 1.3 1996/10/13 01:38:11 christos Exp $ */
/*
* 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/device.h>
#include <machine/autoconf.h>
#include <dev/ofw/openfirm.h>
/* a bit of a hack to prevent conflicts between ofdisk and sd/wd */
#include "sd.h"
int ofrprobe __P((struct device *, void *, void *));
void ofrattach __P((struct device *, struct device *, void *));
int ofbprobe __P((struct device *, void *, void *));
void ofbattach __P((struct device *, struct device *, void *));
static int ofbprint __P((void *, const char *));
struct cfattach ofbus_ca = {
sizeof(struct device), ofbprobe, ofbattach
};
struct cfdriver ofbus_cd = {
NULL, "ofbus", DV_DULL
};
struct cfattach ofroot_ca = {
sizeof(struct device), ofrprobe, ofrattach
};
struct cfdriver ofroot_cd = {
NULL, "ofroot", DV_DULL
};
static int
ofbprint(aux, name)
void *aux;
const char *name;
{
struct ofprobe *ofp = aux;
char child[64];
int l;
if ((l = OF_getprop(ofp->phandle, "name", child, sizeof child - 1)) < 0)
panic("device without name?");
if (l >= sizeof child)
l = sizeof child - 1;
child[l] = 0;
if (name) {
/* Dont print anything here, be quiet
printf("%s at %s", child, name);
return UNCONF;
*/
return QUIET;
} else {
printf(" (%s)", child);
return QUIET;
}
}
int
ofrprobe(parent, cf, aux)
struct device *parent;
void *cf, *aux;
{
int node;
struct confargs *ca = aux;
if (strcmp(ca->ca_name, ofroot_cd.cd_name) != 0)
return (0);
return 1;
}
void
ofrattach(parent, dev, aux)
struct device *parent, *dev;
void *aux;
{
int child;
char name[64];
struct ofprobe *ofp = aux;
struct ofprobe probe;
int units;
int node;
char ofname[64];
int l;
if (!(node = OF_peer(0)))
panic("No PROM root");
probe.phandle = node;
ofp = &probe;
ofbprint(ofp, 0);
printf("\n");
if ((l = OF_getprop(ofp->phandle, "model", ofname, sizeof ofname - 1)) < 0)
{
/* no system name? */
} else {
if (l >= sizeof ofname)
l = sizeof ofname - 1;
ofname[l] = 0;
systype(ofname);
}
ofw_intr_establish();
for (child = OF_child(ofp->phandle); child; child = OF_peer(child)) {
/*
* This is a hack to skip all the entries in the tree
* that aren't devices (packages, openfirmware etc.).
*/
if (OF_getprop(child, "device_type", name, sizeof name) < 0)
continue;
probe.phandle = child;
probe.unit = 0;
config_found(dev, &probe, ofbprint);
}
}
int
ofbprobe(parent, cf, aux)
struct device *parent;
void *cf, *aux;
{
struct ofprobe *ofp = aux;
if (!OF_child(ofp->phandle))
return 0;
return 1;
}
#ifdef __powerpc__
void uni_n_config(int);
#endif /* __powerpc__ */
void
ofbattach(parent, dev, aux)
struct device *parent, *dev;
void *aux;
{
int child;
char name[20];
struct ofprobe *ofp = aux;
struct ofprobe probe;
int units;
if (!parent)
ofbprint(aux, 0);
printf("\n");
/*
* 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(ofp->phandle, "name", name, sizeof name) > 0) {
if (!strcmp(name, "scsi")) {
#if NSD > 0
units = 0; /* if sd driver in kernel, dont use ofw */
#else
units = 7; /* What about wide or hostid != 7? XXX */
#endif
} else if (!strcmp(name, "ide")) {
#if NSD > 0
units = 0; /* if sd? driver in kernel, dont use ofw */
#else
units = 2;
#endif
#ifdef __powerpc__
} else if (!strcmp(name, "uni-n")) {
uni_n_config(ofp->phandle);
#endif /* __powerpc__ */
}
}
for (child = OF_child(ofp->phandle); child; child = OF_peer(child)) {
/*
* This is a hack to skip all the entries in the tree
* that aren't devices (packages, openfirmware etc.).
*/
if (OF_getprop(child, "device_type", name, sizeof name) < 0)
continue;
probe.phandle = child;
for (probe.unit = 0; probe.unit < units; probe.unit++)
config_found(dev, &probe, ofbprint);
}
}
/*
* Name matching routine for OpenFirmware
*/
int
ofnmmatch(cp1, cp2)
char *cp1, *cp2;
{
int i;
for (i = 0; *cp2; i++)
if (*cp1++ != *cp2++)
return 0;
return i;
}
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