1 files changed, 28 insertions, 0 deletions
diff --git a/plat/rockchip/rk3399/drivers/dram/suspend.h b/plat/rockchip/rk3399/drivers/dram/suspend.h
new file mode 100644
index 0000000..1389944
--- /dev/null
+++ b/plat/rockchip/rk3399/drivers/dram/suspend.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2016-2021, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SUSPEND_H
+#define SUSPEND_H
+
+#include <stdint.h>
+#include <dram.h>
+
+#define KHz (1000)
+#define MHz (1000 * KHz)
+#define GHz (1000 * MHz)
+
+#define PI_CA_TRAINING		(1 << 0)
+#define PI_WRITE_LEVELING	(1 << 1)
+#define PI_READ_GATE_TRAINING	(1 << 2)
+#define PI_READ_LEVELING	(1 << 3)
+#define PI_WDQ_LEVELING		(1 << 4)
+#define PI_FULL_TRAINING	(0xff)
+
+void dmc_suspend(void);
+__pmusramfunc void dmc_resume(void);
+extern __pmusramdata uint8_t pmu_enable_watchdog0;
+
+#endif /* SUSPEND_H */