diff --git a/arch/arm/mach-rockchip/rk312x.c b/arch/arm/mach-rockchip/rk312x.c
index 328053282e45..e7e8c5482afe 100755
--- a/arch/arm/mach-rockchip/rk312x.c
+++ b/arch/arm/mach-rockchip/rk312x.c
@@ -181,6 +181,8 @@ static void __init rk312x_dt_init_timer(void)
 
 static void __init rk312x_reserve(void)
 {
+	/* reserve memory for ION */
+	rockchip_ion_reserve();
 }
 
 static void __init rk312x_init_late(void)