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6679f929 GVB |
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 | * | |
eee479cf | 6 | * SPDX-License-Identifier: LGPL-2.1+ |
6679f929 GVB |
7 | */ |
8 | ||
7cd5da0f GVB |
9 | #ifndef _LIBFDT_ENV_H |
10 | #define _LIBFDT_ENV_H | |
11 | ||
37566090 | 12 | #include "compiler.h" |
25aca0fb | 13 | #include "linux/types.h" |
7cd5da0f | 14 | |
e489b9c0 | 15 | extern struct fdt_header *working_fdt; /* Pointer to the working fdt */ |
fa3a74ce | 16 | |
25aca0fb KP |
17 | typedef __be16 fdt16_t; |
18 | typedef __be32 fdt32_t; | |
19 | typedef __be64 fdt64_t; | |
20 | ||
37566090 MF |
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) | |
ef4e8ce1 | 25 | |
bbd0f7e3 GVB |
26 | /* adding a ramdisk needs 0x44 bytes in version 2008.10 */ |
27 | #define FDT_RAMDISK_OVERHEAD 0x80 | |
28 | ||
7cd5da0f | 29 | #endif /* _LIBFDT_ENV_H */ |