diff options
Diffstat (limited to 'include/bootcount.h')
-rw-r--r-- | include/bootcount.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/include/bootcount.h b/include/bootcount.h new file mode 100644 index 0000000000..3ec1aeccfd --- /dev/null +++ b/include/bootcount.h @@ -0,0 +1,51 @@ +/* + * (C) Copyright 2012 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/byteorder.h> + +#if !defined(CONFIG_SYS_BOOTCOUNT_LE) && !defined(CONFIG_SYS_BOOTCOUNT_BE) +# if __BYTE_ORDER == __LITTLE_ENDIAN +# define CONFIG_SYS_BOOTCOUNT_LE +# else +# define CONFIG_SYS_BOOTCOUNT_BE +# endif +#endif + +#ifdef CONFIG_SYS_BOOTCOUNT_LE +static inline void raw_bootcount_store(volatile u32 *addr, u32 data) +{ + out_le32(addr, data); +} + +static inline u32 raw_bootcount_load(volatile u32 *addr) +{ + return in_le32(addr); +} +#else +static inline void raw_bootcount_store(volatile u32 *addr, u32 data) +{ + out_be32(addr, data); +} + +static inline u32 raw_bootcount_load(volatile u32 *addr) +{ + return in_be32(addr); +} +#endif |