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-rw-r--r--include/bootcount.h51
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