include/bootcount.h

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