| /****************************************************************************** |
| * |
| * Copyright (C) 2011 - 2015 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, |
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| * SOFTWARE. |
| * |
| * Except as contained in this notice, the name of the Xilinx shall not be used |
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| * this Software without prior written authorization from Xilinx. |
| * |
| ******************************************************************************/ |
| /*****************************************************************************/ |
| /** |
| * |
| * @file xl2cc_counter.c |
| * |
| * This file contains APIs for configuring and controlling the event counters |
| * in PL310 L2 cache controller. For more information about the event counters, |
| * see xl2cc_counter.h. |
| * |
| * <pre> |
| * MODIFICATION HISTORY: |
| * |
| * Ver Who Date Changes |
| * ----- ---- -------- ----------------------------------------------- |
| * 1.00a sdm 07/11/11 First release |
| * 3.07a asa 08/30/12 Updated for CR 675636 to provide the L2 Base Address |
| * inside the APIs |
| * </pre> |
| * |
| ******************************************************************************/ |
| |
| /***************************** Include Files *********************************/ |
| |
| #include <stdint.h> |
| #include "xparameters_ps.h" |
| #include "xl2cc_counter.h" |
| #include "xl2cc.h" |
| |
| /************************** Constant Definitions ****************************/ |
| |
| /**************************** Type Definitions ******************************/ |
| |
| /***************** Macros (Inline Functions) Definitions ********************/ |
| |
| /************************** Variable Definitions *****************************/ |
| |
| /************************** Function Prototypes ******************************/ |
| |
| void XL2cc_EventCtrReset(void); |
| |
| /******************************************************************************/ |
| |
| /****************************************************************************/ |
| /** |
| * |
| * @brief This function initializes the event counters in L2 Cache controller |
| * with a set of event codes specified by the user. |
| * |
| * @param Event0: Event code for counter 0. |
| * @param Event1: Event code for counter 1. |
| * |
| * @return None. |
| * |
| * @note The definitions for event codes XL2CC_* can be found in |
| * xl2cc_counter.h. |
| * |
| *****************************************************************************/ |
| void XL2cc_EventCtrInit(s32 Event0, s32 Event1) |
| { |
| |
| /* Write event code into cnt1 cfg reg */ |
| *((volatile u32*)(XPS_L2CC_BASEADDR + XPS_L2CC_EVNT_CNT1_CTRL_OFFSET)) = (((u32)Event1) << 2); |
| |
| /* Write event code into cnt0 cfg reg */ |
| *((volatile u32*)(XPS_L2CC_BASEADDR + XPS_L2CC_EVNT_CNT0_CTRL_OFFSET)) = (((u32)Event0) << 2); |
| |
| /* Reset counters */ |
| XL2cc_EventCtrReset(); |
| } |
| |
| |
| /****************************************************************************/ |
| /** |
| * |
| * @brief This function starts the event counters in L2 Cache controller. |
| * |
| * @param None. |
| * |
| * @return None. |
| * |
| * @note None. |
| * |
| *****************************************************************************/ |
| void XL2cc_EventCtrStart(void) |
| { |
| u32 *LocalPtr; |
| LocalPtr = (u32 *)(XPS_L2CC_BASEADDR + XPS_L2CC_EVNT_CNTRL_OFFSET); |
| XL2cc_EventCtrReset(); |
| |
| /* Enable counter */ |
| /* *((volatile u32*)((void *)(XPS_L2CC_BASEADDR + XPS_L2CC_EVNT_CNTRL_OFFSET))) = 1 */ |
| *LocalPtr = (u32)1; |
| } |
| |
| /****************************************************************************/ |
| /** |
| * |
| * @brief This function disables the event counters in L2 Cache controller, |
| * saves the counter values and resets the counters. |
| * |
| * @param EveCtr0: Output parameter which is used to return the value |
| * in event counter 0. |
| * EveCtr1: Output parameter which is used to return the value |
| * in event counter 1. |
| * |
| * @return None. |
| * |
| * @note None. |
| * |
| *****************************************************************************/ |
| void XL2cc_EventCtrStop(u32 *EveCtr0, u32 *EveCtr1) |
| { |
| /* Disable counter */ |
| *((volatile u32*) (XPS_L2CC_BASEADDR + XPS_L2CC_EVNT_CNTRL_OFFSET)) = 0U; |
| |
| /* Save counter values */ |
| *EveCtr1 = *((volatile u32*)(XPS_L2CC_BASEADDR + XPS_L2CC_EVNT_CNT1_VAL_OFFSET)); |
| *EveCtr0 = *((volatile u32*)(XPS_L2CC_BASEADDR + XPS_L2CC_EVNT_CNT0_VAL_OFFSET)); |
| |
| XL2cc_EventCtrReset(); |
| } |
| |
| /****************************************************************************/ |
| /** |
| * |
| * @brief This function resets the event counters in L2 Cache controller. |
| * |
| * @param None. |
| * |
| * @return None. |
| * |
| * @note None. |
| * |
| *****************************************************************************/ |
| void XL2cc_EventCtrReset(void) |
| { |
| *((volatile u32*)(XPS_L2CC_BASEADDR + XPS_L2CC_EVNT_CNTRL_OFFSET)) = 0x6U; |
| } |