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 *fdtm_finddevice(const char *name)
20{
21	return ft_find_device(&cxt, name);
22}
23
24static int fdtm_getprop(const void *phandle, const char *propname,
25                        void *buf, const int buflen)
26{
27	return ft_get_prop(&cxt, phandle, propname, buf, buflen);
28}
29
30static int fdtm_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 void *fdtm_get_parent(const void *phandle)
37{
38	return ft_get_parent(&cxt, phandle);
39}
40
41static void *fdtm_create_node(const void *phandle, const char *name)
42{
43	return ft_create_node(&cxt, phandle, name);
44}
45
46static void *fdtm_find_node_by_prop_value(const void *prev,
47                                          const char *propname,
48                                          const char *propval,
49                                          int proplen)
50{
51	return ft_find_node_by_prop_value(&cxt, prev, propname,
52	                                  propval, proplen);
53}
54
55static unsigned long fdtm_finalize(void)
56{
57	ft_end_tree(&cxt);
58	return (unsigned long)cxt.bph;
59}
60
61int ft_init(void *dt_blob, unsigned int max_size, unsigned int max_find_device)
62{
63	dt_ops.finddevice = fdtm_finddevice;
64	dt_ops.getprop = fdtm_getprop;
65	dt_ops.setprop = fdtm_setprop;
66	dt_ops.get_parent = fdtm_get_parent;
67	dt_ops.create_node = fdtm_create_node;
68	dt_ops.find_node_by_prop_value = fdtm_find_node_by_prop_value;
69	dt_ops.finalize = fdtm_finalize;
70
71	return ft_open(&cxt, dt_blob, max_size, max_find_device,
72			platform_ops.realloc);
73}
74