zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/arch/arm/mach-zynq/common.h b/ap/os/linux/linux-3.4.x/arch/arm/mach-zynq/common.h
new file mode 100644
index 0000000..a009644
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/arch/arm/mach-zynq/common.h
@@ -0,0 +1,24 @@
+/*
+ * This file contains common function prototypes to avoid externs
+ * in the c files.
+ *
+ *  Copyright (C) 2011 Xilinx
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __MACH_ZYNQ_COMMON_H__
+#define __MACH_ZYNQ_COMMON_H__
+
+#include <asm/mach/time.h>
+
+extern struct sys_timer xttcpss_sys_timer;
+
+#endif