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   1 //////////////////////////////////////////////////////////////////////
   2 //
   3 // Copyright (c) 2004-11 Xilinx, Inc.  All rights reserved.
   4 // Xilinx, Inc.
   5 //
   6 // XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A
   7 // COURTESY TO YOU.  BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS
   8 // ONE POSSIBLE   IMPLEMENTATION OF THIS FEATURE, APPLICATION OR
   9 // STANDARD, XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION
  10 // IS FREE FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE
  11 // FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION.
  12 // XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO
  13 // THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO
  14 // ANY WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE
  15 // FROM CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY
  16 // AND FITNESS FOR A PARTICULAR PURPOSE.
  17 //
  18 // $Id: _profile_timer_hw.h,v 1.1.2.2 2011/05/30 06:46:18 svemula Exp $
  19 //
  20 // _program_timer_hw.h:
  21 //      Timer related functions
  22 //
  23 //////////////////////////////////////////////////////////////////////
  24
  25 #ifndef _PROFILE_TIMER_HW_H
  26 #define _PROFILE_TIMER_HW_H
  27
  28 #include "profile.h"
  29
  30 #ifdef PROC_PPC
  31 #if defined __GNUC__
  32 #  define SYNCHRONIZE_IO __asm__ volatile ("eieio")
  33 #elif defined __DCC__
  34 #  define SYNCHRONIZE_IO __asm volatile(" eieio")
  35 #else
  36 #  define SYNCHRONIZE_IO
  37 #endif
  38 #endif
  39
  40 #ifdef PROC_PPC
  41 #define ProfIo_In32(InputPtr) (*(volatile u32 *)(InputPtr)); SYNCHRONIZE_IO;
  42 #define ProfIo_Out32(OutputPtr, Value) { (*(volatile u32 *)(OutputPtr) = Value); SYNCHRONIZE_IO; }
  43 #else
  44 #define ProfIo_In32(InputPtr) (*(volatile u32 *)(InputPtr));
  45 #define ProfIo_Out32(OutputPtr, Value) { (*(volatile u32 *)(OutputPtr) = Value); }
  46 #endif
  47
  48 #define ProfTmrCtr_mWriteReg(BaseAddress, TmrCtrNumber, RegOffset, ValueToWrite)\
  49         ProfIo_Out32(((BaseAddress) + XTmrCtr_Offsets[(TmrCtrNumber)] + \
  50                            (RegOffset)), (ValueToWrite))
  51
  52 #define ProfTimerCtr_mReadReg(BaseAddress, TmrCtrNumber, RegOffset)     \
  53         ProfIo_In32((BaseAddress) + XTmrCtr_Offsets[(TmrCtrNumber)] + (RegOffset))
  54
  55 #define ProfTmrCtr_mSetControlStatusReg(BaseAddress, TmrCtrNumber, RegisterValue)\
  56         ProfTmrCtr_mWriteReg((BaseAddress), (TmrCtrNumber), XTC_TCSR_OFFSET,     \
  57                                            (RegisterValue))
  58
  59 #define ProfTmrCtr_mGetControlStatusReg(BaseAddress, TmrCtrNumber)              \
  60         ProfTimerCtr_mReadReg((BaseAddress), (TmrCtrNumber), XTC_TCSR_OFFSET)
  61
  62
  63
  64 #ifdef __cplusplus
  65 extern "C" {
  66 #endif
  67
  68 #ifdef PROC_PPC
  69 #include "xexception_l.h"
  70 #include "xtime_l.h"
  71 #include "xpseudo_asm.h"
  72 #endif
  73
  74 #ifdef TIMER_CONNECT_INTC
  75 #include "xintc_l.h"
  76 #include "xintc.h"
  77 #endif  // TIMER_CONNECT_INTC
  78
  79 #if (!defined PPC_PIT_INTERRUPT && !defined PROC_CORTEXA9)
  80 #include "xtmrctr_l.h"
  81 #endif
  82
  83 #ifdef PROC_CORTEXA9
  84 #include "xscutimer_hw.h"
  85 #include "xscugic.h"
  86 #endif
  87
  88 extern unsigned int timer_clk_ticks ;
  89
  90 //--------------------------------------------------------------------
  91 // PowerPC Target - Timer related functions
  92 //--------------------------------------------------------------------
  93 #ifdef PROC_PPC
  94
  95 #ifdef PPC_PIT_INTERRUPT
  96 unsigned long timer_lo_clk_ticks ;      // Clk ticks when Timer is disabled in CG
  97 #endif
  98
  99 #ifdef PROC_PPC440
 100 #define XREG_TCR_PIT_INTERRUPT_ENABLE XREG_TCR_DEC_INTERRUPT_ENABLE
 101 #define XREG_TSR_PIT_INTERRUPT_STATUS XREG_TSR_DEC_INTERRUPT_STATUS
 102 #define XREG_SPR_PIT XREG_SPR_DEC
 103 #define XEXC_ID_PIT_INT XEXC_ID_DEC_INT
 104 #endif
 105
 106 //--------------------------------------------------------------------
 107 // Disable the Timer - During Profiling
 108 //
 109 // For PIT Timer -
 110 //      1. XTime_PITDisableInterrupt() ;
 111 //      2. Store the remaining timer clk tick
 112 //      3. Stop the PIT Timer
 113 //--------------------------------------------------------------------
 114
 115 #ifdef PPC_PIT_INTERRUPT
 116 #define disable_timer()                 \
 117         {                               \
 118                 unsigned long val;      \
 119                 val=mfspr(XREG_SPR_TCR);        \
 120                 mtspr(XREG_SPR_TCR, val & ~XREG_TCR_PIT_INTERRUPT_ENABLE);      \
 121                 timer_lo_clk_ticks = mfspr(XREG_SPR_PIT);                       \
 122                 mtspr(XREG_SPR_PIT, 0); \
 123         }
 124 #else
 125 #define disable_timer()         \
 126    { \
 127       u32 addr = (PROFILE_TIMER_BASEADDR) + XTmrCtr_Offsets[(0)] + XTC_TCSR_OFFSET; \
 128       u32 tmp_v = ProfIo_In32(addr); \
 129       tmp_v = tmp_v & ~XTC_CSR_ENABLE_TMR_MASK; \
 130       ProfIo_Out32((PROFILE_TIMER_BASEADDR) + XTmrCtr_Offsets[(0)] + XTC_TCSR_OFFSET, tmp_v); \
 131    }
 132 #endif
 133
 134
 135
 136 //--------------------------------------------------------------------
 137 // Enable the Timer
 138 //
 139 // For PIT Timer -
 140 //      1. Load the remaining timer clk ticks
 141 //      2. XTime_PITEnableInterrupt() ;
 142 //--------------------------------------------------------------------
 143 #ifdef PPC_PIT_INTERRUPT
 144 #define enable_timer()                          \
 145         {                                       \
 146                 unsigned long val;              \
 147                 val=mfspr(XREG_SPR_TCR);        \
 148                 mtspr(XREG_SPR_PIT, timer_lo_clk_ticks);        \
 149                 mtspr(XREG_SPR_TCR, val | XREG_TCR_PIT_INTERRUPT_ENABLE); \
 150         }
 151 #else
 152 #define enable_timer()                                          \
 153         {                                                       \
 154       u32 addr = (PROFILE_TIMER_BASEADDR) + XTmrCtr_Offsets[(0)] + XTC_TCSR_OFFSET; \
 155       u32 tmp_v = ProfIo_In32(addr); \
 156       tmp_v = tmp_v |  XTC_CSR_ENABLE_TMR_MASK; \
 157       ProfIo_Out32((PROFILE_TIMER_BASEADDR) + XTmrCtr_Offsets[(0)] + XTC_TCSR_OFFSET, tmp_v); \
 158         }
 159 #endif
 160
 161
 162
 163 //--------------------------------------------------------------------
 164 // Send Ack to Timer Interrupt
 165 //
 166 // For PIT Timer -
 167 //      1. Load the timer clk ticks
 168 //      2. Enable AutoReload and Interrupt
 169 //      3. Clear PIT Timer Status bits
 170 //--------------------------------------------------------------------
 171 #ifdef PPC_PIT_INTERRUPT
 172 #define timer_ack()                                                     \
 173         {                                                               \
 174                 unsigned long val;                                      \
 175                 mtspr(XREG_SPR_PIT, timer_clk_ticks);                   \
 176                 mtspr(XREG_SPR_TSR, XREG_TSR_PIT_INTERRUPT_STATUS);     \
 177                 val=mfspr(XREG_SPR_TCR);                                \
 178                 mtspr(XREG_SPR_TCR, val| XREG_TCR_PIT_INTERRUPT_ENABLE| XREG_TCR_AUTORELOAD_ENABLE); \
 179         }
 180 #else
 181 #define timer_ack()                             \
 182         {                                               \
 183                 unsigned int csr;                       \
 184                 csr = ProfTmrCtr_mGetControlStatusReg(PROFILE_TIMER_BASEADDR, 0);       \
 185                 ProfTmrCtr_mSetControlStatusReg(PROFILE_TIMER_BASEADDR, 0, csr);        \
 186         }
 187 #endif
 188
 189 //--------------------------------------------------------------------
 190 #endif  // PROC_PPC
 191 //--------------------------------------------------------------------
 192
 193
 194
 195
 196 //--------------------------------------------------------------------
 197 // MicroBlaze Target - Timer related functions
 198 //--------------------------------------------------------------------
 199 #ifdef PROC_MICROBLAZE
 200
 201 //--------------------------------------------------------------------
 202 // Disable the Timer during Call-Graph Data collection
 203 //
 204 //--------------------------------------------------------------------
 205 #define disable_timer()                                 \
 206         {                                               \
 207       u32 addr = (PROFILE_TIMER_BASEADDR) + XTmrCtr_Offsets[(0)] + XTC_TCSR_OFFSET; \
 208       u32 tmp_v = ProfIo_In32(addr); \
 209       tmp_v = tmp_v & ~XTC_CSR_ENABLE_TMR_MASK; \
 210       ProfIo_Out32((PROFILE_TIMER_BASEADDR) + XTmrCtr_Offsets[(0)] + XTC_TCSR_OFFSET, tmp_v); \
 211     }
 212
 213
 214 //--------------------------------------------------------------------
 215 // Enable the Timer after Call-Graph Data collection
 216 //
 217 //--------------------------------------------------------------------
 218 #define enable_timer()                                  \
 219         {                                               \
 220       u32 addr = (PROFILE_TIMER_BASEADDR) + XTmrCtr_Offsets[(0)] + XTC_TCSR_OFFSET; \
 221       u32 tmp_v = ProfIo_In32(addr); \
 222       tmp_v = tmp_v |  XTC_CSR_ENABLE_TMR_MASK; \
 223       ProfIo_Out32((PROFILE_TIMER_BASEADDR) + XTmrCtr_Offsets[(0)] + XTC_TCSR_OFFSET, tmp_v); \
 224         }
 225
 226
 227 //--------------------------------------------------------------------
 228 // Send Ack to Timer Interrupt
 229 //
 230 //--------------------------------------------------------------------
 231 #define timer_ack()                             \
 232         {                                               \
 233                 unsigned int csr;                       \
 234                 csr = ProfTmrCtr_mGetControlStatusReg(PROFILE_TIMER_BASEADDR, 0);       \
 235                 ProfTmrCtr_mSetControlStatusReg(PROFILE_TIMER_BASEADDR, 0, csr);        \
 236         }
 237
 238 //--------------------------------------------------------------------
 239 #endif  // PROC_MICROBLAZE
 240 //--------------------------------------------------------------------
 241
 242 //--------------------------------------------------------------------
 243 // Cortex A9 Target - Timer related functions
 244 //--------------------------------------------------------------------
 245 #ifdef PROC_CORTEXA9
 246
 247 //--------------------------------------------------------------------
 248 // Disable the Timer during Call-Graph Data collection
 249 //
 250 //--------------------------------------------------------------------
 251 #define disable_timer()                                                 \
 252 {                                                               \
 253         u32 Reg;                                                        \
 254         Reg = Xil_In32(PROFILE_TIMER_BASEADDR + XSCUTIMER_CONTROL_OFFSET); \
 255         Reg &= ~XSCUTIMER_CONTROL_ENABLE_MASK;\
 256         Xil_Out32(PROFILE_TIMER_BASEADDR + XSCUTIMER_CONTROL_OFFSET, Reg);\
 257 }                                                               \
 258
 259
 260 //--------------------------------------------------------------------
 261 // Enable the Timer after Call-Graph Data collection
 262 //
 263 //--------------------------------------------------------------------
 264 #define enable_timer()                                                  \
 265 {                                                               \
 266         u32 Reg;                                                        \
 267         Reg = Xil_In32(PROFILE_TIMER_BASEADDR + XSCUTIMER_CONTROL_OFFSET); \
 268         Reg |= XSCUTIMER_CONTROL_ENABLE_MASK; \
 269         Xil_Out32(PROFILE_TIMER_BASEADDR + XSCUTIMER_CONTROL_OFFSET, Reg);\
 270 }                                                               \
 271
 272
 273 //--------------------------------------------------------------------
 274 // Send Ack to Timer Interrupt
 275 //
 276 //--------------------------------------------------------------------
 277 #define timer_ack()                                             \
 278 {                                                       \
 279         Xil_Out32(PROFILE_TIMER_BASEADDR + XSCUTIMER_ISR_OFFSET, \
 280                 XSCUTIMER_ISR_EVENT_FLAG_MASK);\
 281 }
 282
 283 //--------------------------------------------------------------------
 284 #endif  // PROC_CORTEXA9
 285 //--------------------------------------------------------------------
 286
 287
 288 #ifdef __cplusplus
 289 }
 290 #endif
 291
 292 #endif