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[/] [dbg_interface/] [tags/] [sdram_test_working/] [rtl/] [verilog/] [dbg_defines.v] - Blame information for rev 12

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1 2 mohor
//////////////////////////////////////////////////////////////////////
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////                                                              ////
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////  dbg_defines.v                                               ////
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////                                                              ////
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////                                                              ////
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////  This file is part of the SoC/OpenRISC Development Interface ////
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////  http://www.opencores.org/cores/DebugInterface/              ////
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////                                                              ////
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////                                                              ////
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////  Author(s):                                                  ////
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////       Igor Mohor                                             ////
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////       igorm@opencores.org                                    ////
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////                                                              ////
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////                                                              ////
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////  All additional information is avaliable in the README.txt   ////
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////  file.                                                       ////
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////                                                              ////
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//////////////////////////////////////////////////////////////////////
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////                                                              ////
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//// Copyright (C) 2000,2001 Authors                              ////
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////                                                              ////
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//// This source file may be used and distributed without         ////
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//// restriction provided that this copyright statement is not    ////
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//// removed from the file and that any derivative work contains  ////
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//// the original copyright notice and the associated disclaimer. ////
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////                                                              ////
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//// This source file is free software; you can redistribute it   ////
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//// and/or modify it under the terms of the GNU Lesser General   ////
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//// Public License as published by the Free Software Foundation; ////
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//// either version 2.1 of the License, or (at your option) any   ////
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//// later version.                                               ////
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////                                                              ////
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//// This source is distributed in the hope that it will be       ////
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//// useful, but WITHOUT ANY WARRANTY; without even the implied   ////
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//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////
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//// PURPOSE.  See the GNU Lesser General Public License for more ////
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//// details.                                                     ////
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////                                                              ////
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//// You should have received a copy of the GNU Lesser General    ////
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//// Public License along with this source; if not, download it   ////
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//// from http://www.opencores.org/lgpl.shtml                     ////
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////                                                              ////
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//////////////////////////////////////////////////////////////////////
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//
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// CVS Revision History
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//
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// $Log: not supported by cvs2svn $
48 12 mohor
// Revision 1.4  2001/09/24 14:06:42  mohor
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// Changes connected to the OpenRISC access (SPR read, SPR write).
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//
51 11 mohor
// Revision 1.3  2001/09/20 10:11:25  mohor
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// Working version. Few bugs fixed, comments added.
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//
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// Revision 1.2  2001/09/18 14:13:47  mohor
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// Trace fixed. Some registers changed, trace simplified.
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//
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// Revision 1.1.1.1  2001/09/13 13:49:19  mohor
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// Initial official release.
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//
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// Revision 1.3  2001/06/01 22:22:35  mohor
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// This is a backup. It is not a fully working version. Not for use, yet.
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//
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// Revision 1.2  2001/05/18 13:10:00  mohor
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// Headers changed. All additional information is now avaliable in the README.txt file.
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//
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// Revision 1.1.1.1  2001/05/18 06:35:08  mohor
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// Initial release
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//
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//
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// Enable TRACE
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`define TRACE_ENABLED  // Uncomment this define to activate the trace
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// Define IDCODE Value
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`define IDCODE_VALUE  32'hdeadbeef
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// Define master clock (RISC clock)
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//`define       RISC_CLOCK  50   // Half period = 50 ns => MCLK = 10 Mhz
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`define RISC_CLOCK  2.5   // Half period = 5 ns => MCLK = 200 Mhz
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// Length of the Instruction register
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`define IR_LENGTH       4
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// Length of the Data register (must be equal to the longest scan chain)
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`define DR_LENGTH       73
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// Length of the CHAIN ID register
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`define CHAIN_ID_LENGTH 4
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// Length of the CRC
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`define CRC_LENGTH      8
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// Trace buffer size and counter and write/read pointer width. This can be expanded when more RAM is avaliable
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`define TRACECOUNTERWIDTH        5
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`define TRACEBUFFERLENGTH        32 // 2^5
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`define TRACESAMPLEWIDTH         36
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// OpSelect width
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`define OPSELECTWIDTH            3
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`define OPSELECTIONCOUNTER       8    //2^3
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// OpSelect (dbg_op_i) signal meaning
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`define DEBUG_READ_PC            0
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`define DEBUG_READ_LSEA          1
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`define DEBUG_READ_LDATA         2
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`define DEBUG_READ_SDATA         3
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`define DEBUG_READ_SPR           4
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`define DEBUG_WRITE_SPR          5
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`define DEBUG_READ_INSTR         6
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//`define Reserved                 7
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// Supported Instructions
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`define EXTEST          5'b00000
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`define SAMPLE_PRELOAD  5'b00001
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`define IDCODE          5'b00010
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`define CHAIN_SELECT    5'b00011
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`define INTEST          5'b00100
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`define CLAMP           5'b00101
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`define CLAMPZ          5'b00110
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`define HIGHZ           5'b00111
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`define DEBUG           5'b01000
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`define BYPASS          5'b01111
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// Chains
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`define GLOBAL_BS_CHAIN     4'b0000
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`define RISC_DEBUG_CHAIN    4'b0001
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`define RISC_TEST_CHAIN     4'b0010
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`define TRACE_TEST_CHAIN    4'b0011
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`define REGISTER_SCAN_CHAIN 4'b0100
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`define WISHBONE_SCAN_CHAIN 4'b0101
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// Registers addresses
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`define MODER_ADR           5'h00
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`define TSEL_ADR            5'h01
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`define QSEL_ADR            5'h02
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`define SSEL_ADR            5'h03
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`define RISCOP_ADR          5'h04
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`define RECSEL_ADR          5'h10
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// Registers default values (after reset)
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`define MODER_DEF           2'h0
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`define TSEL_DEF            32'h00000000
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`define QSEL_DEF            32'h00000000
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`define SSEL_DEF            32'h00000000
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`define RISCOP_DEF          2'h0
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`define RECSEL_DEF          7'h0

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