xref: /freebsd/sys/powerpc/mikrotik/platform_rb.c (revision 7fdf597e96a02165cfe22ff357b857d5fa15ed8a)
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
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
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