libfdt_env.h

   1 /*
   2  * This program is free software; you can redistribute it and/or modify
   3  * it under the terms of the GNU General Public License, version 2, as
   4  * published by the Free Software Foundation.
   5  *
   6  * This program is distributed in the hope that it will be useful,
   7  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   8  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   9  * GNU General Public License for more details.
  10  *
  11  * You should have received a copy of the GNU General Public License
  12  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  13  *
  14  * Copyright IBM Corp. 2008
  15  * Authors: Hollis Blanchard <hollisb@us.ibm.com>
  16  *
  17  */
  18
  19 #ifndef _LIBFDT_ENV_H
  20 #define _LIBFDT_ENV_H
  21
  22 #include <stddef.h>
  23 #include <stdint.h>
  24 #include <string.h>
  25 #include <endian.h>
  26 #include <byteswap.h>
  27
  28 #if __BYTE_ORDER == __BIG_ENDIAN
  29 #define fdt32_to_cpu(x)         (x)
  30 #define cpu_to_fdt32(x)         (x)
  31 #define fdt64_to_cpu(x)         (x)
  32 #define cpu_to_fdt64(x)         (x)
  33 #else
  34 #define fdt32_to_cpu(x)         (bswap_32((x)))
  35 #define cpu_to_fdt32(x)         (bswap_32((x)))
  36 #define fdt64_to_cpu(x)         (bswap_64((x)))
  37 #define cpu_to_fdt64(x)         (bswap_64((x)))
  38 #endif
  39
  40 #endif /* _LIBFDT_ENV_H */