diff --git a/include/configs/rk3399_common.h b/include/configs/rk3399_common.h
index c1ea616..a36725c 100644
--- a/include/configs/rk3399_common.h
+++ b/include/configs/rk3399_common.h
@@ -21,6 +21,8 @@
 #define CONFIG_SPL_LIBGENERIC_SUPPORT
 #define CONFIG_SPL_SERIAL_SUPPORT
 
+#define COUNTER_FREQUENCY               24000000
+
 #define CONFIG_SYS_NS16550_MEM32
 
 #define CONFIG_SYS_TEXT_BASE		0x00200000