xref: /openbmc/u-boot/tools/fdt_host.h (revision e8f80a5a)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * (C) Copyright 2008 Semihalf
4  */
5 
6 #ifndef __FDT_HOST_H__
7 #define __FDT_HOST_H__
8 
9 /* Make sure to include u-boot version of libfdt include files */
10 #include "../include/linux/libfdt.h"
11 #include "../include/fdt_support.h"
12 
13 /**
14  * fdt_remove_unused_strings() - Remove any unused strings from an FDT
15  *
16  * This creates a new device tree in @new with unused strings removed. The
17  * called can then use fdt_pack() to minimise the space consumed.
18  *
19  * @old:	Old device tree blog
20  * @new:	Place to put new device tree blob, which must be as large as
21  *		@old
22  * @return
23  *	0, on success
24  *	-FDT_ERR_BADOFFSET, corrupt device tree
25  *	-FDT_ERR_NOSPACE, out of space, which should not happen unless there
26  *		is something very wrong with the device tree input
27  */
28 int fdt_remove_unused_strings(const void *old, void *new);
29 
30 int fit_check_sign(const void *working_fdt, const void *key);
31 
32 #endif /* __FDT_HOST_H__ */
33