Linux kernel mirror (for testing)
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linux
1/*
2 * This file does the necessary interface mapping between the bootwrapper
3 * device tree operations and the interface provided by shared source
4 * files flatdevicetree.[ch].
5 *
6 * Author: Mark A. Greer <mgreer@mvista.com>
7 *
8 * 2006 (c) MontaVista Software, Inc. This file is licensed under
9 * the terms of the GNU General Public License version 2. This program
10 * is licensed "as is" without any warranty of any kind, whether express
11 * or implied.
12 */
13#include <stddef.h>
14#include "flatdevtree.h"
15#include "ops.h"
16
17static struct ft_cxt cxt;
18
19static void *ft_finddevice(const char *name)
20{
21 return ft_find_device(&cxt, name);
22}
23
24static int ft_getprop(const void *phandle, const char *propname, void *buf,
25 const int buflen)
26{
27 return ft_get_prop(&cxt, phandle, propname, buf, buflen);
28}
29
30static int ft_setprop(const void *phandle, const char *propname,
31 const void *buf, const int buflen)
32{
33 return ft_set_prop(&cxt, phandle, propname, buf, buflen);
34}
35
36static unsigned long ft_finalize(void)
37{
38 ft_end_tree(&cxt);
39 return (unsigned long)cxt.bph;
40}
41
42int ft_init(void *dt_blob, unsigned int max_size, unsigned int max_find_device)
43{
44 dt_ops.finddevice = ft_finddevice;
45 dt_ops.getprop = ft_getprop;
46 dt_ops.setprop = ft_setprop;
47 dt_ops.finalize = ft_finalize;
48
49 return ft_open(&cxt, dt_blob, max_size, max_find_device,
50 platform_ops.realloc);
51}