| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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 */ |