/* $OpenBSD: ofbus.c,v 1.14 2004/11/29 12:50:05 jsg 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/systm.h> #include <sys/device.h> #include <sys/systm.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" extern void systype(char *); int ofrprobe(struct device *, void *, void *); void ofrattach(struct device *, struct device *, void *); int ofbprobe(struct device *, void *, void *); void ofbattach(struct device *, struct device *, void *); static int ofbprint(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(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(struct device *parent, void *cf, void *aux) { struct confargs *ca = aux; if (strcmp(ca->ca_name, ofroot_cd.cd_name) != 0) return (0); return 1; } void ofrattach(struct device *parent, struct device *dev, void *aux) { int child; char name[64]; struct ofprobe *ofp = aux; struct ofprobe probe; int node; #ifdef HAVE_SYSTYPE char ofname[64]; int l; #endif if (!(node = OF_peer(0))) panic("No PROM root"); probe.phandle = node; ofp = &probe; ofbprint(ofp, 0); printf("\n"); #ifdef HAVE_SYSTYPE 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); } #endif 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(struct device *parent, void *cf, void *aux) { struct ofprobe *ofp = aux; if (!OF_child(ofp->phandle)) return 0; return 1; } void ofbattach(struct device *parent, struct device *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 } } 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(char *cp1, char *cp2) { int i; for (i = 0; *cp2; i++) if (*cp1++ != *cp2++) return 0; return i; }