]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * libfdt - Flat Device Tree manipulation (build/run environment adaptation) | |
3 | * Copyright (C) 2007 Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com | |
4 | * Original version written by David Gibson, IBM Corporation. | |
5 | * | |
6 | * SPDX-License-Identifier: LGPL-2.1+ | |
7 | */ | |
8 | ||
9 | #ifndef _LIBFDT_ENV_H | |
10 | #define _LIBFDT_ENV_H | |
11 | ||
12 | #include "compiler.h" | |
13 | #include "linux/types.h" | |
14 | ||
15 | extern struct fdt_header *working_fdt; /* Pointer to the working fdt */ | |
16 | ||
17 | typedef __be16 fdt16_t; | |
18 | typedef __be32 fdt32_t; | |
19 | typedef __be64 fdt64_t; | |
20 | ||
21 | #define fdt32_to_cpu(x) be32_to_cpu(x) | |
22 | #define cpu_to_fdt32(x) cpu_to_be32(x) | |
23 | #define fdt64_to_cpu(x) be64_to_cpu(x) | |
24 | #define cpu_to_fdt64(x) cpu_to_be64(x) | |
25 | ||
26 | /* adding a ramdisk needs 0x44 bytes in version 2008.10 */ | |
27 | #define FDT_RAMDISK_OVERHEAD 0x80 | |
28 | ||
29 | #endif /* _LIBFDT_ENV_H */ |