1 /*-
2 * Copyright (c) 2015 Justin Hibbits
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #include <sys/param.h>
28 #include <sys/systm.h>
29 #include <sys/kernel.h>
30 #include <sys/bus.h>
31 #include <sys/malloc.h>
32 #include <sys/smp.h>
33
34 #include <machine/platform.h>
35 #include <machine/platformvar.h>
36
37 #include <dev/ofw/openfirm.h>
38
39 #include <powerpc/mpc85xx/mpc85xx.h>
40
41 #include "platform_if.h"
42
43 static int rb_probe(platform_t);
44 static int rb_attach(platform_t);
45
46 static platform_method_t rb_methods[] = {
47 PLATFORMMETHOD(platform_probe, rb_probe),
48 PLATFORMMETHOD(platform_attach, rb_attach),
49 PLATFORMMETHOD_END
50 };
51
52 DEFINE_CLASS_1(rb, rb_platform, rb_methods, 0, mpc85xx_platform);
53
54 PLATFORM_DEF(rb_platform);
55
56 static int
rb_probe(platform_t plat)57 rb_probe(platform_t plat)
58 {
59 phandle_t rootnode;
60 char model[32];
61
62 rootnode = OF_finddevice("/");
63
64 if (OF_getprop(rootnode, "model", model, sizeof(model)) > 0) {
65 if (strcmp(model, "RB800") == 0)
66 return (BUS_PROBE_SPECIFIC);
67 }
68
69 return (ENXIO);
70 }
71
72 static int
rb_attach(platform_t plat)73 rb_attach(platform_t plat)
74 {
75 int error;
76
77 error = mpc85xx_attach(plat);
78 if (error)
79 return (error);
80
81 return (0);
82 }
83