--- /dev/null
+/******************************************************************************
+*
+* Copyright (C) 2014 - 2017 Xilinx, Inc. All rights reserved.
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy
+* of this software and associated documentation files (the "Software"), to deal
+* in the Software without restriction, including without limitation the rights
+* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+* copies of the Software, and to permit persons to whom the Software is
+* furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in
+* all copies or substantial portions of the Software.
+*
+* Use of the Software is limited solely to applications:
+* (a) running on a Xilinx device, or
+* (b) that interact with a Xilinx device through a bus or interconnect.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+* XILINX BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+* SOFTWARE.
+*
+* Except as contained in this notice, the name of the Xilinx shall not be used
+* in advertising or otherwise to promote the sale, use or other dealings in
+* this Software without prior written authorization from Xilinx.
+*
+******************************************************************************/
+/*****************************************************************************/
+/**
+* @file xtime_l.h
+*
+* @addtogroup r5_time_apis Cortex R5 Time Functions
+* The xtime_l.h provides access to 32-bit TTC timer counter. These functions
+* can be used by applications to track the time.
+*
+* @{
+* <pre>
+* MODIFICATION HISTORY:
+*
+* Ver Who Date Changes
+* ----- ------ -------- ---------------------------------------------------
+* 5.00 pkp 05/29/14 First release
+* 5.04 pkp 02/19/16 Added timer configuration register offset definitions
+* 5.04 pkp 03/11/16 Removed definitions for overflow interrupt register
+* and mask
+* 6.6 srm 10/22/17 Added a warning message for the user configurable sleep
+* implementation when default timer is selected by the user
+* </pre>
+*
+******************************************************************************/
+
+#ifndef XTIME_H /* prevent circular inclusions */
+#define XTIME_H /* by using protection macros */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/***************************** Include Files *********************************/
+#include "xil_types.h"
+#include "xparameters.h"
+/***************** Macros (Inline Functions) Definitions *********************/
+
+/************************** Constant Definitions *****************************/
+
+#ifdef SLEEP_TIMER_BASEADDR
+
+#define COUNTS_PER_SECOND SLEEP_TIMER_FREQUENCY
+#define COUNTS_PER_USECOND COUNTS_PER_SECOND/1000000
+
+#else
+#define ITERS_PER_SEC (XPAR_CPU_CORTEXR5_0_CPU_CLK_FREQ_HZ / 4)
+#define ITERS_PER_USEC (XPAR_CPU_CORTEXR5_0_CPU_CLK_FREQ_HZ / 4000000)
+#define IRQ_FIQ_MASK 0xC0 /* Mask IRQ and FIQ interrupts in cpsr */
+#endif
+
+#if defined (XSLEEP_TIMER_IS_DEFAULT_TIMER)
+#pragma message ("For the sleep routines, TTC3 is used if present else the assembly instructions are called")
+#endif
+
+/**************************** Type Definitions *******************************/
+
+/* The following definitions are applicable only when TTC3 is present*/
+#ifdef SLEEP_TIMER_BASEADDR
+typedef u32 XTime;
+
+void XTime_SetTime(XTime Xtime_Global);
+void XTime_GetTime(XTime *Xtime_Global);
+#endif
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* XTIME_H */
+/**
+* @} End of "@addtogroup r5_time_apis".
+*/