| /* |
| * libfdt - Flat Device Tree manipulation (build/run environment adaptation) |
| * Copyright (C) 2007 Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com |
| * Original version written by David Gibson, IBM Corporation. |
| * |
| * SPDX-License-Identifier: LGPL-2.1+ |
| */ |
| |
| #ifndef _LIBFDT_ENV_H |
| #define _LIBFDT_ENV_H |
| |
| #include "compiler.h" |
| #include "linux/types.h" |
| |
| extern struct fdt_header *working_fdt; /* Pointer to the working fdt */ |
| |
| typedef __be16 fdt16_t; |
| typedef __be32 fdt32_t; |
| typedef __be64 fdt64_t; |
| |
| #define fdt32_to_cpu(x) be32_to_cpu(x) |
| #define cpu_to_fdt32(x) cpu_to_be32(x) |
| #define fdt64_to_cpu(x) be64_to_cpu(x) |
| #define cpu_to_fdt64(x) cpu_to_be64(x) |
| |
| /* adding a ramdisk needs 0x44 bytes in version 2008.10 */ |
| #define FDT_RAMDISK_OVERHEAD 0x80 |
| |
| #endif /* _LIBFDT_ENV_H */ |