sbscd.c revision 1.10 1 /* $NetBSD: sbscd.c,v 1.10 2005/08/25 18:35:39 drochner Exp $ */
2
3 /*
4 * Copyright 2000, 2001
5 * Broadcom Corporation. All rights reserved.
6 *
7 * This software is furnished under license and may be used and copied only
8 * in accordance with the following terms and conditions. Subject to these
9 * conditions, you may download, copy, install, use, modify and distribute
10 * modified or unmodified copies of this software in source and/or binary
11 * form. No title or ownership is transferred hereby.
12 *
13 * 1) Any source code used, modified or distributed must reproduce and
14 * retain this copyright notice and list of conditions as they appear in
15 * the source file.
16 *
17 * 2) No right is granted to use any trade name, trademark, or logo of
18 * Broadcom Corporation. The "Broadcom Corporation" name may not be
19 * used to endorse or promote products derived from this software
20 * without the prior written permission of Broadcom Corporation.
21 *
22 * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
23 * WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
24 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
25 * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
26 * FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
27 * LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
30 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
31 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
32 * OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 */
34
35 #include <sys/cdefs.h>
36 __KERNEL_RCSID(0, "$NetBSD: sbscd.c,v 1.10 2005/08/25 18:35:39 drochner Exp $");
37
38 #include <sys/param.h>
39 #include <sys/device.h>
40 #include <sys/systm.h>
41
42 #include <mips/sibyte/include/zbbusvar.h>
43 #include <mips/sibyte/dev/sbscdvar.h>
44
45 #include "locators.h"
46
47 static int sbscd_match(struct device *, struct cfdata *, void *);
48 static void sbscd_attach(struct device *, struct device *, void *);
49
50 CFATTACH_DECL(sbscd, sizeof(struct device),
51 sbscd_match, sbscd_attach, NULL, NULL);
52
53 static int sbscd_print(void *, const char *);
54 static int sbscd_submatch(struct device *, struct cfdata *,
55 const locdesc_t *, void *);
56 static const char *sbscd_device_type_name(enum sbscd_device_type type);
57
58 static const struct sbscd_attach_locs sb1250_sbscd_devs[] = {
59 #if 0
60 { 0x20000, {-1,-1}, SBSCD_DEVTYPE_ICU, },
61 #endif
62 { 0x20050, {0,-1}, SBSCD_DEVTYPE_WDOG, },
63 { 0x20150, {1,-1}, SBSCD_DEVTYPE_WDOG, },
64 { 0x20070, {2,-1}, SBSCD_DEVTYPE_TIMER, },
65 { 0x20078, {3,-1}, SBSCD_DEVTYPE_TIMER, },
66 { 0x20170, {4,-1}, SBSCD_DEVTYPE_TIMER, },
67 { 0x20178, {5,-1}, SBSCD_DEVTYPE_TIMER, },
68 { 0x1FFA0, {-1,-1}, SBSCD_DEVTYPE_JTAGCONS, },
69 /* XXX others */
70 };
71 static const int sb1250_sbscd_dev_count =
72 sizeof sb1250_sbscd_devs / sizeof sb1250_sbscd_devs[0];
73
74 static int
75 sbscd_match(struct device *parent, struct cfdata *match, void *aux)
76 {
77 struct zbbus_attach_args *zap = aux;
78
79 if (zap->za_locs.za_type != ZBBUS_ENTTYPE_SCD)
80 return (0);
81
82 return 1;
83 }
84
85 static void
86 sbscd_attach(struct device *parent, struct device *self, void *aux)
87 {
88 struct sbscd_attach_args sa;
89 int i;
90 int locs[SBSCDCF_NLOCS];
91
92 printf("\n");
93
94 for (i = 0; i < sb1250_sbscd_dev_count; i++) {
95 memset(&sa, 0, sizeof sa);
96 sa.sa_base = 0x10000000; /* XXXCGD */
97 sa.sa_locs = sb1250_sbscd_devs[i];
98
99 locs[SBSCDCF_OFFSET] = sb1250_sbscd_devs[i].sa_offset;
100 locs[SBSCDCF_INTR + 0] =
101 sb1250_sbscd_devs[i].sa_intr[0];
102 locs[SBSCDCF_INTR + 1] =
103 sb1250_sbscd_devs[i].sa_intr[1];
104
105 config_found_sm_loc(self, "sbscd", locs, &sa,
106 sbscd_print, sbscd_submatch);
107 }
108 return;
109 }
110
111 int
112 sbscd_print(void *aux, const char *pnp)
113 {
114 struct sbscd_attach_args *sap = aux;
115 int i;
116
117 if (pnp)
118 aprint_normal("%s at %s",
119 sbscd_device_type_name(sap->sa_locs.sa_type), pnp);
120 aprint_normal(" offset 0x%lx", (long)sap->sa_locs.sa_offset);
121 for (i = 0; i < 2; i++) {
122 if (sap->sa_locs.sa_intr[i] != -1)
123 aprint_normal("%s%ld", i == 0 ? " intr " : ",",
124 (long)sap->sa_locs.sa_intr[i]);
125 }
126 return (UNCONF);
127 }
128
129 static int
130 sbscd_submatch(struct device *parent, struct cfdata *cf,
131 const locdesc_t *locs, void *aux)
132 {
133 int i;
134
135 if (cf->cf_loc[SBSCDCF_OFFSET] != SBSCDCF_OFFSET_DEFAULT &&
136 cf->cf_loc[SBSCDCF_OFFSET] != locs[SBSCDCF_OFFSET])
137 return (0);
138
139 for (i = 0; i < 2; i++) {
140 if (cf->cf_loc[SBSCDCF_INTR + i] != SBSCDCF_INTR_DEFAULT &&
141 cf->cf_loc[SBSCDCF_INTR + i]
142 != locs[SBSCDCF_INTR + i])
143 return (0);
144 }
145
146 return (config_match(parent, cf, aux));
147 }
148
149 static const char *
150 sbscd_device_type_name(enum sbscd_device_type type)
151 {
152
153 switch (type) {
154 case SBSCD_DEVTYPE_ICU:
155 return ("sbicu");
156 case SBSCD_DEVTYPE_WDOG:
157 return ("sbwdog");
158 case SBSCD_DEVTYPE_TIMER:
159 return ("sbtimer");
160 case SBSCD_DEVTYPE_JTAGCONS:
161 return ("sbjcn");
162
163 }
164 panic("sbscd_device_type_name");
165 return ("panic");
166 }
167