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-rw-r--r--include/sbi_utils/cache/fdt_cmo_helper.h40
1 files changed, 40 insertions, 0 deletions
diff --git a/include/sbi_utils/cache/fdt_cmo_helper.h b/include/sbi_utils/cache/fdt_cmo_helper.h
new file mode 100644
index 00000000..a6a28db9
--- /dev/null
+++ b/include/sbi_utils/cache/fdt_cmo_helper.h
@@ -0,0 +1,40 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2025 SiFive Inc.
+ */
+
+#ifndef __FDT_CMO_HELPER_H__
+#define __FDT_CMO_HELPER_H__
+
+#ifdef CONFIG_FDT_CACHE
+/**
+ * Flush the private first level cache of the current hart
+ *
+ * @return 0 on success, or a negative error code on failure
+ */
+int fdt_cmo_private_flc_flush_all(void);
+
+/**
+ * Flush the last level cache of the current hart
+ *
+ * @return 0 on success, or a negative error code on failure
+ */
+int fdt_cmo_llc_flush_all(void);
+
+/**
+ * Initialize the cache devices for each hart
+ *
+ * @param fdt devicetree blob
+ * @param cold_boot cold init or warm init
+ *
+ * @return 0 on success, or a negative error code on failure
+ */
+int fdt_cmo_init(bool cold_boot);
+
+#else
+
+static inline int fdt_cmo_init(bool cold_boot) { return 0; }
+
+#endif /* CONFIG_FDT_CACHE */
+#endif /* __FDT_CMO_HELPER_H__ */