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.
6 * SPDX-License-Identifier: LGPL-2.1+
13 #include "linux/types.h"
15 extern struct fdt_header *working_fdt; /* Pointer to the working fdt */
17 typedef __be16 fdt16_t;
18 typedef __be32 fdt32_t;
19 typedef __be64 fdt64_t;
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)
26 /* adding a ramdisk needs 0x44 bytes in version 2008.10 */
27 #define FDT_RAMDISK_OVERHEAD 0x80
29 #endif /* _LIBFDT_ENV_H */