diff options
Diffstat (limited to 'arch/powerpc/boot/flatdevtree_misc.c')
-rw-r--r-- | arch/powerpc/boot/flatdevtree_misc.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/powerpc/boot/flatdevtree_misc.c b/arch/powerpc/boot/flatdevtree_misc.c new file mode 100644 index 000000000000..04da38fa477f --- /dev/null +++ b/arch/powerpc/boot/flatdevtree_misc.c | |||
@@ -0,0 +1,51 @@ | |||
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 | |||
17 | static struct ft_cxt cxt; | ||
18 | |||
19 | static void *ft_finddevice(const char *name) | ||
20 | { | ||
21 | return ft_find_device(&cxt, name); | ||
22 | } | ||
23 | |||
24 | static 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 | |||
30 | static 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 | |||
36 | static unsigned long ft_finalize(void) | ||
37 | { | ||
38 | ft_end_tree(&cxt); | ||
39 | return (unsigned long)cxt.bph; | ||
40 | } | ||
41 | |||
42 | int 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 | } | ||