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ofbus.c revision 1.10.26.1
      1  1.10.26.1   nathanw /*	$NetBSD: ofbus.c,v 1.10.26.1 2001/10/22 20:41:22 nathanw Exp $	*/
      2        1.1        ws 
      3        1.1        ws /*
      4        1.1        ws  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
      5        1.1        ws  * Copyright (C) 1995, 1996 TooLs GmbH.
      6        1.1        ws  * All rights reserved.
      7        1.1        ws  *
      8        1.1        ws  * Redistribution and use in source and binary forms, with or without
      9        1.1        ws  * modification, are permitted provided that the following conditions
     10        1.1        ws  * are met:
     11        1.1        ws  * 1. Redistributions of source code must retain the above copyright
     12        1.1        ws  *    notice, this list of conditions and the following disclaimer.
     13        1.1        ws  * 2. Redistributions in binary form must reproduce the above copyright
     14        1.1        ws  *    notice, this list of conditions and the following disclaimer in the
     15        1.1        ws  *    documentation and/or other materials provided with the distribution.
     16        1.1        ws  * 3. All advertising materials mentioning features or use of this software
     17        1.1        ws  *    must display the following acknowledgement:
     18        1.1        ws  *	This product includes software developed by TooLs GmbH.
     19        1.1        ws  * 4. The name of TooLs GmbH may not be used to endorse or promote products
     20        1.1        ws  *    derived from this software without specific prior written permission.
     21        1.1        ws  *
     22        1.1        ws  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
     23        1.1        ws  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24        1.1        ws  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25        1.1        ws  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     26        1.1        ws  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     27        1.1        ws  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     28        1.1        ws  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     29        1.1        ws  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     30        1.1        ws  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     31        1.1        ws  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32        1.1        ws  */
     33        1.1        ws 
     34        1.1        ws #include <sys/param.h>
     35        1.7       cgd #include <sys/systm.h>
     36        1.1        ws #include <sys/device.h>
     37        1.1        ws 
     38        1.1        ws #include <dev/ofw/openfirm.h>
     39        1.1        ws 
     40       1.10   mycroft int ofbus_match __P((struct device *, struct cfdata *, void *));
     41       1.10   mycroft void ofbus_attach __P((struct device *, struct device *, void *));
     42       1.10   mycroft static int ofbus_print __P((void *, const char *));
     43        1.1        ws 
     44        1.1        ws struct cfattach ofbus_ca = {
     45       1.10   mycroft 	sizeof(struct device), ofbus_match, ofbus_attach
     46        1.1        ws };
     47        1.1        ws 
     48        1.1        ws static int
     49       1.10   mycroft ofbus_print(aux, pnp)
     50        1.1        ws 	void *aux;
     51        1.7       cgd 	const char *pnp;
     52        1.1        ws {
     53       1.10   mycroft 	struct ofbus_attach_args *oba = aux;
     54        1.7       cgd 	char name[64];
     55        1.7       cgd 
     56       1.10   mycroft 	(void)of_packagename(oba->oba_phandle, name, sizeof name);
     57        1.7       cgd 	if (pnp)
     58        1.7       cgd 		printf("%s at %s", name, pnp);
     59        1.1        ws 	else
     60        1.7       cgd 		printf(" (%s)", name);
     61        1.1        ws 	return UNCONF;
     62        1.1        ws }
     63        1.1        ws 
     64        1.1        ws int
     65       1.10   mycroft ofbus_match(parent, cf, aux)
     66        1.1        ws 	struct device *parent;
     67        1.4   thorpej 	struct cfdata *cf;
     68        1.4   thorpej 	void *aux;
     69        1.1        ws {
     70       1.10   mycroft 	struct ofbus_attach_args *oba = aux;
     71       1.10   mycroft 
     72       1.10   mycroft 	if (strcmp(oba->oba_busname, "ofw"))
     73       1.10   mycroft 		return (0);
     74       1.10   mycroft 	if (!OF_child(oba->oba_phandle))
     75       1.10   mycroft 		return (0);
     76       1.10   mycroft 	return (1);
     77        1.1        ws }
     78        1.1        ws 
     79        1.1        ws void
     80       1.10   mycroft ofbus_attach(parent, dev, aux)
     81        1.1        ws 	struct device *parent, *dev;
     82        1.1        ws 	void *aux;
     83        1.1        ws {
     84        1.1        ws 	int child;
     85        1.1        ws 	char name[5];
     86       1.10   mycroft 	struct ofbus_attach_args *oba = aux;
     87       1.10   mycroft 	struct ofbus_attach_args oba2;
     88        1.1        ws 	int units;
     89        1.7       cgd 
     90        1.3  christos 	printf("\n");
     91        1.1        ws 
     92        1.1        ws 	/*
     93        1.1        ws 	 * This is a hack to make the probe work on the scsi (and ide) bus.
     94        1.1        ws 	 * YES, I THINK IT IS A BUG IN THE OPENFIRMWARE TO NOT PROBE ALL
     95        1.1        ws 	 * DEVICES ON THESE BUSSES.
     96        1.1        ws 	 */
     97        1.1        ws 	units = 1;
     98       1.10   mycroft 	if (OF_getprop(oba->oba_phandle, "name", name, sizeof name) > 0) {
     99        1.1        ws 		if (!strcmp(name, "scsi"))
    100        1.1        ws 			units = 7; /* What about wide or hostid != 7?	XXX */
    101        1.1        ws 		else if (!strcmp(name, "ide"))
    102        1.1        ws 			units = 2;
    103        1.1        ws 	}
    104        1.6       cgd 
    105  1.10.26.1   nathanw 	for (child = OF_child(oba->oba_phandle); child != 0;
    106  1.10.26.1   nathanw 	     child = OF_peer(child)) {
    107       1.10   mycroft 		oba2.oba_busname = "ofw";
    108       1.10   mycroft 		oba2.oba_phandle = child;
    109       1.10   mycroft 		for (oba2.oba_unit = 0; oba2.oba_unit < units; oba2.oba_unit++)
    110       1.10   mycroft 			config_found(dev, &oba2, ofbus_print);
    111        1.1        ws 	}
    112        1.1        ws }
    113