blob: 3ec1aeccfd89a2973698cd098fe5c454225f9872 [file] [log] [blame]
Stefan Roese0044c422012-08-16 17:55:41 +00001/*
2 * (C) Copyright 2012
3 * Stefan Roese, DENX Software Engineering, sr@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 */
18
19#include <common.h>
20#include <asm/io.h>
21#include <asm/byteorder.h>
22
23#if !defined(CONFIG_SYS_BOOTCOUNT_LE) && !defined(CONFIG_SYS_BOOTCOUNT_BE)
24# if __BYTE_ORDER == __LITTLE_ENDIAN
25# define CONFIG_SYS_BOOTCOUNT_LE
26# else
27# define CONFIG_SYS_BOOTCOUNT_BE
28# endif
29#endif
30
31#ifdef CONFIG_SYS_BOOTCOUNT_LE
32static inline void raw_bootcount_store(volatile u32 *addr, u32 data)
33{
34 out_le32(addr, data);
35}
36
37static inline u32 raw_bootcount_load(volatile u32 *addr)
38{
39 return in_le32(addr);
40}
41#else
42static inline void raw_bootcount_store(volatile u32 *addr, u32 data)
43{
44 out_be32(addr, data);
45}
46
47static inline u32 raw_bootcount_load(volatile u32 *addr)
48{
49 return in_be32(addr);
50}
51#endif