diff --git a/arch/arm/mach-uniphier/ph1-sld3/lowlevel_debug.S b/arch/arm/mach-uniphier/ph1-sld3/lowlevel_debug.S
index 9d1fd2c..41f67b7 100644
--- a/arch/arm/mach-uniphier/ph1-sld3/lowlevel_debug.S
+++ b/arch/arm/mach-uniphier/ph1-sld3/lowlevel_debug.S
@@ -10,6 +10,8 @@
 #include <mach/bcu-regs.h>
 #include <mach/sc-regs.h>
 #include <mach/sg-regs.h>
+
+#define UART_CLK		36864000
 #include <mach/debug-uart.S>
 
 ENTRY(setup_lowlevel_debug)