diff --git a/plat/mediatek/mt8183/include/plat_private.h b/plat/mediatek/mt8183/include/plat_private.h
new file mode 100644
index 0000000..e57ae45
--- /dev/null
+++ b/plat/mediatek/mt8183/include/plat_private.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PLAT_PRIVATE_H
+#define PLAT_PRIVATE_H
+
+/*******************************************************************************
+ * Function and variable prototypes
+ ******************************************************************************/
+void plat_configure_mmu_el3(uintptr_t total_base,
+			    uintptr_t total_size,
+			    uintptr_t ro_start,
+			    uintptr_t ro_limit,
+			    uintptr_t coh_start,
+			    uintptr_t coh_limit);
+
+void plat_cci_init(void);
+void plat_cci_enable(void);
+void plat_cci_disable(void);
+void plat_cci_init_sf(void);
+void plat_gic_init(void);
+
+/* Declarations for plat_topology.c */
+int mt_setup_topology(void);
+
+#endif /* PLAT_PRIVATE_H */