summaryrefslogtreecommitdiffstats
path: root/include/drivers/arm/sbsa.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/drivers/arm/sbsa.h')
-rw-r--r--include/drivers/arm/sbsa.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/include/drivers/arm/sbsa.h b/include/drivers/arm/sbsa.h
new file mode 100644
index 0000000..4ca7194
--- /dev/null
+++ b/include/drivers/arm/sbsa.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2019-2023, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SBSA_H
+#define SBSA_H
+
+#include <stdint.h>
+
+/* SBSA Secure Watchdog Register Offsets */
+/* Refresh frame */
+#define SBSA_WDOG_WRR_OFFSET UL(0x000)
+#define SBSA_WDOG_WRR_REFRESH UL(0x1)
+
+/* Control and status frame */
+#define SBSA_WDOG_WCS_OFFSET UL(0x000)
+#define SBSA_WDOG_WOR_LOW_OFFSET UL(0x008)
+#define SBSA_WDOG_WOR_HIGH_OFFSET UL(0x00C)
+
+#define SBSA_WDOG_WCS_EN U(0x1)
+
+#define SBSA_WDOG_WOR_WIDTH UL(48)
+
+void sbsa_wdog_start(uintptr_t base, uint64_t ms);
+void sbsa_wdog_stop(uintptr_t base);
+void sbsa_wdog_refresh(uintptr_t refresh_base);
+
+#endif /* SBSA_H */