diff --git a/plat/rockchip/common/include/plat_private.h b/plat/rockchip/common/include/plat_private.h
index 66b6185..f3303db 100644
--- a/plat/rockchip/common/include/plat_private.h
+++ b/plat/rockchip/common/include/plat_private.h
@@ -139,6 +139,7 @@
 extern const mmap_region_t plat_rk_mmap[];
 
 uint32_t rockchip_get_uart_base(void);
+uint32_t rockchip_get_uart_baudrate(void);
 
 #endif /* __ASSEMBLY__ */