xref: /onnv-gate/usr/src/psm/promif/ieee1275/common/prom_version.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright (c) 1991-1994, by Sun Microsystems, Inc.
24*0Sstevel@tonic-gate  * All rights reserved.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate #include <sys/promif.h>
30*0Sstevel@tonic-gate #include <sys/promimpl.h>
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate int
prom_getversion(void)33*0Sstevel@tonic-gate prom_getversion(void)
34*0Sstevel@tonic-gate {
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate 	/*
37*0Sstevel@tonic-gate 	 * For compatibility with older client programs, if there is no
38*0Sstevel@tonic-gate 	 * ROMVEC, we simply return a very large number here.
39*0Sstevel@tonic-gate 	 */
40*0Sstevel@tonic-gate 	return (obp_romvec_version);
41*0Sstevel@tonic-gate }
42*0Sstevel@tonic-gate 
43*0Sstevel@tonic-gate int
prom_is_openprom(void)44*0Sstevel@tonic-gate prom_is_openprom(void)
45*0Sstevel@tonic-gate {
46*0Sstevel@tonic-gate 	/*
47*0Sstevel@tonic-gate 	 * Returns true, if openboot or open firmware interface exists.
48*0Sstevel@tonic-gate 	 */
49*0Sstevel@tonic-gate 	return (1);
50*0Sstevel@tonic-gate }
51*0Sstevel@tonic-gate 
52*0Sstevel@tonic-gate int
prom_is_p1275(void)53*0Sstevel@tonic-gate prom_is_p1275(void)
54*0Sstevel@tonic-gate {
55*0Sstevel@tonic-gate 	/*
56*0Sstevel@tonic-gate 	 * Returns true, if IEEE 1275 interface exists.
57*0Sstevel@tonic-gate 	 */
58*0Sstevel@tonic-gate 	return (1);
59*0Sstevel@tonic-gate }
60*0Sstevel@tonic-gate 
61*0Sstevel@tonic-gate /*
62*0Sstevel@tonic-gate  * Certain standalones need to get the revision of a certain
63*0Sstevel@tonic-gate  * version of the firmware to be able to figure out how to
64*0Sstevel@tonic-gate  * correct for certain errors in certain versions of the PROM.
65*0Sstevel@tonic-gate  *
66*0Sstevel@tonic-gate  * The caller has to know what to do with the cookie returned
67*0Sstevel@tonic-gate  * from prom_mon_id(). c.f. uts/sun4c/io/autoconf.c:impl_fix_props().
68*0Sstevel@tonic-gate  */
69*0Sstevel@tonic-gate 
70*0Sstevel@tonic-gate void *
prom_mon_id(void)71*0Sstevel@tonic-gate prom_mon_id(void)
72*0Sstevel@tonic-gate {
73*0Sstevel@tonic-gate 	return (NULL);		/* For compatibilty, none exists in 1275 */
74*0Sstevel@tonic-gate }
75