1 /* $OpenBSD: ssm.c,v 1.3 2021/10/24 17:05:04 mpi Exp $ */
2 /*
3 * Copyright (c) 2008 Mark Kettenis
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18 #include <sys/param.h>
19 #include <sys/device.h>
20 #include <sys/malloc.h>
21 #include <sys/systm.h>
22
23 #include <machine/autoconf.h>
24 #include <machine/openfirm.h>
25
26 int ssm_match(struct device *, void *, void *);
27 void ssm_attach(struct device *, struct device *, void *);
28
29 const struct cfattach ssm_ca = {
30 sizeof(struct device), ssm_match, ssm_attach
31 };
32
33 struct cfdriver ssm_cd = {
34 NULL, "ssm", DV_DULL
35 };
36
37 int ssm_print(void *, const char *);
38
39 int
ssm_match(struct device * parent,void * match,void * aux)40 ssm_match(struct device *parent, void *match, void *aux)
41 {
42 struct mainbus_attach_args *ma = aux;
43
44 if (strcmp(ma->ma_name, "ssm") == 0)
45 return (1);
46
47 return (0);
48 }
49
50 void
ssm_attach(struct device * parent,struct device * self,void * aux)51 ssm_attach(struct device *parent, struct device *self, void *aux)
52 {
53 struct mainbus_attach_args *ma = aux;
54 struct mainbus_attach_args nma;
55 char buf[32];
56 int node;
57
58 printf("\n");
59
60 for (node = OF_child(ma->ma_node); node; node = OF_peer(node)) {
61 if (!checkstatus(node))
62 continue;
63
64 OF_getprop(node, "name", buf, sizeof(buf));
65 if (strcmp(buf, "cpu") == 0)
66 OF_getprop(node, "compatible", buf, sizeof(buf));
67
68 bzero(&nma, sizeof(nma));
69 nma.ma_bustag = ma->ma_bustag;
70 nma.ma_dmatag = ma->ma_dmatag;
71 nma.ma_node = node;
72 nma.ma_name = buf;
73 nma.ma_upaid = getpropint(node, "portid", -1);
74 getprop(node, "reg", sizeof(*nma.ma_reg),
75 &nma.ma_nreg, (void **)&nma.ma_reg);
76 config_found(self, &nma, ssm_print);
77 free(nma.ma_reg, M_DEVBUF, 0);
78 }
79 }
80
81 int
ssm_print(void * aux,const char * name)82 ssm_print(void *aux, const char *name)
83 {
84 struct mainbus_attach_args *ma = aux;
85
86 if (name)
87 printf("\"%s\" at %s", ma->ma_name, name);
88 return (UNCONF);
89 }
90