xref: /netbsd/sys/arch/mips/sibyte/dev/sbscd.c (revision c4a72b64)
1 /* $NetBSD: sbscd.c,v 1.5 2002/10/02 15:52:26 thorpej 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. Neither the "Broadcom Corporation" name nor any
19  *    trademark or logo of Broadcom Corporation may be used to endorse or
20  *    promote products derived from this software without the prior written
21  *    permission of Broadcom Corporation.
22  *
23  * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
24  *    WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
25  *    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
26  *    NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
27  *    FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
28  *    LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29  *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30  *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
31  *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
32  *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
33  *    OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34  */
35 
36 #include <sys/param.h>
37 #include <sys/device.h>
38 #include <sys/systm.h>
39 
40 #include <mips/sibyte/include/zbbusvar.h>
41 #include <mips/sibyte/dev/sbscdvar.h>
42 
43 #include "locators.h"
44 
45 static int	sbscd_match(struct device *, struct cfdata *, void *);
46 static void	sbscd_attach(struct device *, struct device *, void *);
47 
48 CFATTACH_DECL(sbscd, sizeof(struct device),
49     sbscd_match, sbscd_attach, NULL, NULL);
50 
51 static int	sbscd_print(void *, const char *);
52 static int	sbscd_submatch(struct device *, struct cfdata *, void *);
53 static const char *sbscd_device_type_name(enum sbscd_device_type type);
54 
55 static const struct sbscd_attach_locs sb1250_sbscd_devs[] = {
56 #if 0
57 	{ 0x20000, {-1,-1},	SBSCD_DEVTYPE_ICU,		},
58 #endif
59 	{ 0x20050, {0,-1},	SBSCD_DEVTYPE_WDOG,		},
60 	{ 0x20150, {1,-1},	SBSCD_DEVTYPE_WDOG,		},
61 	{ 0x20070, {2,-1},	SBSCD_DEVTYPE_TIMER,		},
62 	{ 0x20078, {3,-1},	SBSCD_DEVTYPE_TIMER,		},
63 	{ 0x20170, {4,-1},	SBSCD_DEVTYPE_TIMER,		},
64 	{ 0x20178, {5,-1},	SBSCD_DEVTYPE_TIMER,		},
65 	{ 0x1FFA0, {-1,-1},	SBSCD_DEVTYPE_JTAGCONS,		},
66 	/* XXX others */
67 };
68 static const int sb1250_sbscd_dev_count =
69     sizeof sb1250_sbscd_devs / sizeof sb1250_sbscd_devs[0];
70 
71 static int
72 sbscd_match(struct device *parent, struct cfdata *match, void *aux)
73 {
74 	struct zbbus_attach_args *zap = aux;
75 
76 	if (zap->za_locs.za_type != ZBBUS_ENTTYPE_SCD)
77 		return (0);
78 
79 	return 1;
80 }
81 
82 static void
83 sbscd_attach(struct device *parent, struct device *self, void *aux)
84 {
85 	struct sbscd_attach_args sa;
86 	int i;
87 
88 	printf("\n");
89 
90 	for (i = 0; i < sb1250_sbscd_dev_count; i++) {
91 		memset(&sa, 0, sizeof sa);
92 		sa.sa_base = 0x10000000;			/* XXXCGD */
93 		sa.sa_locs = sb1250_sbscd_devs[i];
94 		config_found_sm(self, &sa, sbscd_print, sbscd_submatch);
95 	}
96 	return;
97 }
98 
99 int
100 sbscd_print(void *aux, const char *pnp)
101 {
102 	struct sbscd_attach_args *sap = aux;
103 	int i;
104 
105 	if (pnp)
106 		printf("%s at %s",
107 		    sbscd_device_type_name(sap->sa_locs.sa_type), pnp);
108 	printf(" offset 0x%lx", (long)sap->sa_locs.sa_offset);
109 	for (i = 0; i < 2; i++) {
110 		if (sap->sa_locs.sa_intr[i] != -1)
111 			printf("%s%ld", i == 0 ? " intr " : ",",
112 			    (long)sap->sa_locs.sa_intr[i]);
113 	}
114 	return (UNCONF);
115 }
116 
117 static int
118 sbscd_submatch(struct device *parent, struct cfdata *cf, void *aux)
119 {
120 	struct sbscd_attach_args *sap = aux;
121 	int i;
122 
123 	if (cf->cf_loc[SBSCDCF_OFFSET] != SBSCDCF_OFFSET_DEFAULT &&
124 	    cf->cf_loc[SBSCDCF_OFFSET] != sap->sa_locs.sa_offset)
125 		return (0);
126 
127 	for (i = 0; i < 2; i++) {
128 		if (cf->cf_loc[SBSCDCF_INTR + i] != SBSCDCF_INTR_DEFAULT &&
129 		    cf->cf_loc[SBSCDCF_INTR + i] != sap->sa_locs.sa_intr[i])
130 			return (0);
131 	}
132 
133 	return (config_match(parent, cf, aux));
134 }
135 
136 static const char *
137 sbscd_device_type_name(enum sbscd_device_type type)
138 {
139 
140 	switch (type) {
141 	case SBSCD_DEVTYPE_ICU:
142 		return ("sbicu");
143 	case SBSCD_DEVTYPE_WDOG:
144 		return ("sbwdog");
145 	case SBSCD_DEVTYPE_TIMER:
146 		return ("sbtimer");
147 	case SBSCD_DEVTYPE_JTAGCONS:
148 		return ("sbjcn");
149 
150 	}
151 	panic("sbscd_device_type_name");
152 	return ("panic");
153 }
154