ar71xx: add RouterBoot related helper routines

[openwrt.git] / target / linux / ar71xx / files / arch / mips / ath79 / routerboot.h

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/routerboot.h b/target/linux/ar71xx/files/arch/mips/ath79/routerboot.h
new file mode 100644 (file)
index 0000000..9a4dde5
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ath79/routerboot.h
@@ -0,0 +1,26 @@
+/*
+ *  RouterBoot definitions
+ *
+ *  Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License version 2 as published
+ *  by the Free Software Foundation.
+ */
+
+#ifndef _ATH79_ROUTERBOOT_H_
+#define _ATH79_ROUTERBOOT_H_
+
+#ifdef CONFIG_ATH79_ROUTERBOOT
+int routerboot_find_tag(u8 *buf, unsigned int buflen, u16 tag_id,
+                       u8 **tag_data, u16 *tag_len);
+#else
+static inline int
+routerboot_find_tag(u8 *buf, unsigned int buflen, u16 tag_id,
+                   u8 **tag_data, u16 *tag_len)
+{
+       return -ENOENT;
+}
+#endif
+
+#endif /* _ATH79_ROUTERBOOT_H_ */