xref: /openbmc/u-boot/tools/fdt_host.h (revision 0093b3fc)
1 /*
2  * (C) Copyright 2008 Semihalf
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #ifndef __FDT_HOST_H__
8 #define __FDT_HOST_H__
9 
10 /* Make sure to include u-boot version of libfdt include files */
11 #include "../include/libfdt.h"
12 #include "../include/fdt_support.h"
13 
14 /**
15  * fdt_remove_unused_strings() - Remove any unused strings from an FDT
16  *
17  * This creates a new device tree in @new with unused strings removed. The
18  * called can then use fdt_pack() to minimise the space consumed.
19  *
20  * @old:	Old device tree blog
21  * @new:	Place to put new device tree blob, which must be as large as
22  *		@old
23  * @return
24  *	0, on success
25  *	-FDT_ERR_BADOFFSET, corrupt device tree
26  *	-FDT_ERR_NOSPACE, out of space, which should not happen unless there
27  *		is something very wrong with the device tree input
28  */
29 int fdt_remove_unused_strings(const void *old, void *new);
30 
31 int fit_check_sign(const void *working_fdt, const void *key);
32 
33 #endif /* __FDT_HOST_H__ */
34