diff --git a/arch/x86/cpu/Makefile b/arch/x86/cpu/Makefile
index 1eb70a7..cc68098 100644
--- a/arch/x86/cpu/Makefile
+++ b/arch/x86/cpu/Makefile
@@ -32,7 +32,7 @@ START	= start.o
 ifneq ($(CONFIG_NO_RESET_CODE),y)
 START	+= resetvec.o start16.o
 endif
-COBJS	= interrupts.o cpu.o
+COBJS	= interrupts.o cpu.o timer.o
 
 SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/arch/x86/cpu/timer.c b/arch/x86/cpu/timer.c
new file mode 100644
index 0000000..149109d
--- /dev/null
+++ b/arch/x86/cpu/timer.c
@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ */
+
+#include <common.h>
+
+unsigned long timer_get_us(void)
+{
+	printf("timer_get_us used but not implemented.\n");
+	return 0;
+}