xref: /freebsd/sys/powerpc/mikrotik/platform_rb.c (revision 0957b409)
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/cdefs.h>
28 __FBSDID("$FreeBSD$");
29 
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/kernel.h>
33 #include <sys/bus.h>
34 #include <sys/malloc.h>
35 #include <sys/smp.h>
36 
37 #include <machine/platform.h>
38 #include <machine/platformvar.h>
39 
40 #include <dev/ofw/openfirm.h>
41 
42 #include <powerpc/mpc85xx/mpc85xx.h>
43 
44 #include "platform_if.h"
45 
46 static int rb_probe(platform_t);
47 static int rb_attach(platform_t);
48 
49 static platform_method_t rb_methods[] = {
50 	PLATFORMMETHOD(platform_probe,		rb_probe),
51 	PLATFORMMETHOD(platform_attach,		rb_attach),
52 	PLATFORMMETHOD_END
53 };
54 
55 DEFINE_CLASS_1(rb, rb_platform, rb_methods, 0, mpc85xx_platform);
56 
57 PLATFORM_DEF(rb_platform);
58 
59 static int
60 rb_probe(platform_t plat)
61 {
62 	phandle_t rootnode;
63 	char model[32];
64 
65 	rootnode = OF_finddevice("/");
66 
67 	if (OF_getprop(rootnode, "model", model, sizeof(model)) > 0) {
68 		if (strcmp(model, "RB800") == 0)
69 			return (BUS_PROBE_SPECIFIC);
70 	}
71 
72 	return (ENXIO);
73 }
74 
75 static int
76 rb_attach(platform_t plat)
77 {
78 	int error;
79 
80 	error = mpc85xx_attach(plat);
81 	if (error)
82 		return (error);
83 
84 	return (0);
85 }
86