1 files changed, 36 insertions, 0 deletions
diff --git a/include/drivers/arm/sp805.h b/include/drivers/arm/sp805.h
new file mode 100644
index 0000000..b00ede1
--- /dev/null
+++ b/include/drivers/arm/sp805.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SP805_H
+#define SP805_H
+
+#include <lib/utils_def.h>
+
+/* SP805 register offset */
+#define SP805_WDOG_LOAD_OFF		UL(0x000)
+#define SP805_WDOG_CTR_OFF		UL(0x008)
+#define SP805_WDOG_LOCK_OFF		UL(0xc00)
+
+/* Magic word to unlock the wd registers */
+#define WDOG_UNLOCK_KEY			U(0x1ACCE551)
+
+/* Register field definitions */
+#define SP805_CTR_RESEN			(U(1) << 1)
+#define SP805_CTR_INTEN			(U(1) << 0)
+
+#ifndef __ASSEMBLER__
+
+#include <stdint.h>
+
+/* Public high level API */
+
+void sp805_start(uintptr_t base, unsigned int ticks);
+void sp805_stop(uintptr_t base);
+void sp805_refresh(uintptr_t base, unsigned int ticks);
+
+#endif /* __ASSEMBLER__ */
+
+#endif /* SP805_H */