| /****************************************************************************** |
| * |
| * Copyright (C) 2009 - 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 |
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| * 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 |
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| * |
| ******************************************************************************/ |
| /*****************************************************************************/ |
| /** |
| * @file xtime_l.h |
| * @addtogroup a9_time_apis Cortex A9 Time Functions |
| * |
| * xtime_l.h provides access to the 64-bit Global Counter in the PMU. This |
| * counter increases by one at every two processor cycles. These functions can |
| * be used to get/set time in the global timer. |
| * |
| * @{ |
| * <pre> |
| * MODIFICATION HISTORY: |
| * |
| * Ver Who Date Changes |
| * ----- ------ -------- --------------------------------------------------- |
| * 1.00a rp/sdm 11/03/09 Initial release. |
| * 3.06a sgd 05/15/12 Upadted get/set time functions to make use Global Timer |
| * 3.06a asa 06/17/12 Reverted back the changes to make use Global Timer. |
| * 3.07a sgd 07/05/12 Upadted get/set time functions to make use Global Timer |
| * 6.6 srm 10/23/17 Updated the macros to support user configurable sleep |
| * implementation |
| * </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 *********************/ |
| |
| /**************************** Type Definitions *******************************/ |
| |
| typedef u64 XTime; |
| |
| /************************** Constant Definitions *****************************/ |
| #define GLOBAL_TMR_BASEADDR XPAR_GLOBAL_TMR_BASEADDR |
| #define GTIMER_COUNTER_LOWER_OFFSET 0x00U |
| #define GTIMER_COUNTER_UPPER_OFFSET 0x04U |
| #define GTIMER_CONTROL_OFFSET 0x08U |
| |
| #if defined (SLEEP_TIMER_BASEADDR) |
| #define COUNTS_PER_SECOND (SLEEP_TIMER_FREQUENCY) |
| #else |
| /* Global Timer is always clocked at half of the CPU frequency */ |
| #define COUNTS_PER_SECOND (XPAR_CPU_CORTEXA9_CORE_CLOCK_FREQ_HZ /2) |
| #endif |
| |
| #if defined (XSLEEP_TIMER_IS_DEFAULT_TIMER) |
| #pragma message ("For the sleep routines, Global timer is being used") |
| #endif |
| /************************** Variable Definitions *****************************/ |
| |
| /************************** Function Prototypes ******************************/ |
| |
| void XTime_SetTime(XTime Xtime_Global); |
| void XTime_GetTime(XTime *Xtime_Global); |
| |
| #ifdef __cplusplus |
| } |
| #endif /* __cplusplus */ |
| |
| #endif /* XTIME_H */ |
| /** |
| * @} End of "addtogroup a9_time_apis". |
| */ |
