diff --git a/plat/rockchip/rk3399/include/platform_def.h b/plat/rockchip/rk3399/include/platform_def.h
index b83b891..da0bb18 100644
--- a/plat/rockchip/rk3399/include/platform_def.h
+++ b/plat/rockchip/rk3399/include/platform_def.h
@@ -32,6 +32,7 @@
 #define __PLATFORM_DEF_H__
 
 #include <arch.h>
+#include <bl31_param.h>
 #include <common_def.h>
 #include <rk3399_def.h>
 
@@ -89,22 +90,6 @@
 #define PLAT_MAX_OFF_STATE		2
 
 /*******************************************************************************
- * Platform memory map related constants
- ******************************************************************************/
-/* TF text, ro, rw, Size: 1MB */
-#define TZRAM_BASE		(0x0)
-#define TZRAM_SIZE		(0x100000)
-
-/*******************************************************************************
- * BL31 specific defines.
- ******************************************************************************/
-/*
- * Put BL3-1 at the top of the Trusted RAM
- */
-#define BL31_BASE		(TZRAM_BASE + 0x1000)
-#define BL31_LIMIT	(TZRAM_BASE + TZRAM_SIZE)
-
-/*******************************************************************************
  * Platform specific page table and MMU setup constants
  ******************************************************************************/
 #define ADDR_SPACE_SIZE		(1ull << 32)
diff --git a/plat/rockchip/rk3399/include/shared/bl31_param.h b/plat/rockchip/rk3399/include/shared/bl31_param.h
new file mode 100644
index 0000000..fd53af4
--- /dev/null
+++ b/plat/rockchip/rk3399/include/shared/bl31_param.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __PLAT_ROCKCHIP_RK3399_INCLUDE_SHARED_BL31_PARAM_H__
+#define __PLAT_ROCKCHIP_RK3399_INCLUDE_SHARED_BL31_PARAM_H__
+
+/*******************************************************************************
+ * Platform memory map related constants
+ ******************************************************************************/
+/* TF text, ro, rw, Size: 1MB */
+#define TZRAM_BASE		(0x0)
+#define TZRAM_SIZE		(0x100000)
+
+/*******************************************************************************
+ * BL31 specific defines.
+ ******************************************************************************/
+/*
+ * Put BL3-1 at the top of the Trusted RAM
+ */
+#define BL31_BASE		(TZRAM_BASE + 0x1000)
+#define BL31_LIMIT		(TZRAM_BASE + TZRAM_SIZE)
+
+#endif /*__PLAT_ROCKCHIP_RK3399_INCLUDE_SHARED_BL31_PARAM_H__*/