include/bootcount.h

   1 /*
   2  * (C) Copyright 2012
   3  * Stefan Roese, DENX Software Engineering, sr@denx.de.
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9 #include <asm/io.h>
  10 #include <asm/byteorder.h>
  11
  12 #if !defined(CONFIG_SYS_BOOTCOUNT_LE) && !defined(CONFIG_SYS_BOOTCOUNT_BE)
  13 # if __BYTE_ORDER == __LITTLE_ENDIAN
  14 #  define CONFIG_SYS_BOOTCOUNT_LE
  15 # else
  16 #  define CONFIG_SYS_BOOTCOUNT_BE
  17 # endif
  18 #endif
  19
  20 #ifdef CONFIG_SYS_BOOTCOUNT_LE
  21 static inline void raw_bootcount_store(volatile u32 *addr, u32 data)
  22 {
  23         out_le32(addr, data);
  24 }
  25
  26 static inline u32 raw_bootcount_load(volatile u32 *addr)
  27 {
  28         return in_le32(addr);
  29 }
  30 #else
  31 static inline void raw_bootcount_store(volatile u32 *addr, u32 data)
  32 {
  33         out_be32(addr, data);
  34 }
  35
  36 static inline u32 raw_bootcount_load(volatile u32 *addr)
  37 {
  38         return in_be32(addr);
  39 }
  40 #endif