1 files changed, 51 insertions, 0 deletions
diff --git a/roms/opensbi/include/sbi_utils/sys/clint.h b/roms/opensbi/include/sbi_utils/sys/clint.h
new file mode 100644
index 000000000..b07cf62ef
--- /dev/null
+++ b/roms/opensbi/include/sbi_utils/sys/clint.h
@@ -0,0 +1,51 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2019 Western Digital Corporation or its affiliates.
+ *
+ * Authors:
+ *   Anup Patel <anup.patel@wdc.com>
+ */
+
+#ifndef __SYS_CLINT_H__
+#define __SYS_CLINT_H__
+
+#include <sbi/sbi_types.h>
+
+struct clint_data {
+	/* Public details */
+	unsigned long addr;
+	u32 first_hartid;
+	u32 hart_count;
+	bool has_64bit_mmio;
+	/* Private details (initialized and used by CLINT library)*/
+	u32 *ipi;
+	struct clint_data *time_delta_reference;
+	unsigned long time_delta_computed;
+	u64 time_delta;
+	u64 *time_val;
+	u64 *time_cmp;
+	u64 (*time_rd)(volatile u64 *addr);
+	void (*time_wr)(u64 value, volatile u64 *addr);
+};
+
+void clint_ipi_send(u32 target_hart);
+
+void clint_ipi_clear(u32 target_hart);
+
+int clint_warm_ipi_init(void);
+
+int clint_cold_ipi_init(struct clint_data *clint);
+
+u64 clint_timer_value(void);
+
+void clint_timer_event_stop(void);
+
+void clint_timer_event_start(u64 next_event);
+
+int clint_warm_timer_init(void);
+
+int clint_cold_timer_init(struct clint_data *clint,
+			  struct clint_data *reference);
+
+#endif