1 /*        $NetBSD: ibm_machdep.c,v 1.16 2014/03/26 16:01:43 christos Exp $      */
2 
3 /*-
4  * Copyright (c) 2004 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Klaus J. Klein.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 
35 #include <machine/intr.h>
36 #include <machine/platform.h>
37 
38 extern struct genppc_pci_chipset *genppc_pct;
39 
40 void pci_intr_fixup_ibm_6015(void);
41 
42 void
pci_intr_fixup_ibm_6015(void)43 pci_intr_fixup_ibm_6015(void)
44 {
45           struct genppc_pci_chipset_businfo *pbi;
46           prop_dictionary_t dict, sub;
47           prop_number_t intr_num;
48           int i, j;
49           char key[20];
50 
51           /* this works because the 6015 has only 1 PCI bus native */
52           pbi = SIMPLEQ_FIRST(&genppc_pct->pc_pbi);
53 
54           dict = prop_dictionary_create_with_capacity(16);
55           KASSERT(dict != NULL);
56           (void)prop_dictionary_set(pbi->pbi_properties, "prep-pci-intrmap",
57               dict);
58           sub = prop_dictionary_create_with_capacity(4);
59           KASSERT(sub != NULL);
60 
61           intr_num = prop_number_create_integer(13);
62           for (j = 0; j < 4; j++) {
63                     snprintf(key, sizeof(key), "pin-%c", 'A' + j);
64                     prop_dictionary_set(sub, key, intr_num);
65           }
66           prop_object_release(intr_num);
67           prop_dictionary_set(dict, "devfunc-12", sub);
68           prop_object_release(sub);
69 
70           /* devices 13-19 all share IRQ 15 */
71           for (i = 13; i < 20; i++) {
72                     sub = prop_dictionary_create_with_capacity(4);
73                     intr_num = prop_number_create_integer(15);
74                     snprintf(key, sizeof(key), "devfunc-%d", i);
75                     for (j = 0; j < 4; j++) {
76                               snprintf(key, sizeof(key), "pin-%c", 'A' + j);
77                               prop_dictionary_set(sub, key, intr_num);
78                     }
79                     prop_dictionary_set(dict, key, sub);
80                     prop_object_release(intr_num);
81                     prop_object_release(sub);
82           }
83           prop_object_release(dict);
84 }
85