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[/] [dbg_interface/] [tags/] [old_debug/] [rtl/] [verilog/] [dbg_defines.v] - Blame information for rev 158

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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 73 mohor
// Revision 1.13  2003/10/21 09:48:31  simons
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// Mbist support added.
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//
51 71 simons
// Revision 1.12  2003/09/17 14:38:57  simons
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// WB_CNTL register added, some syncronization fixes.
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//
54 65 simons
// Revision 1.11  2003/08/28 13:55:21  simons
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// Three more chains added for cpu debug access.
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//
57 63 simons
// Revision 1.10  2003/07/31 12:19:49  simons
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// Multiple cpu support added.
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//
60 57 simons
// Revision 1.9  2002/05/07 14:43:59  mohor
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// mon_cntl_o signals that controls monitor mux added.
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//
63 47 mohor
// Revision 1.8  2002/01/25 07:58:34  mohor
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// IDCODE bug fixed, chains reused to decreas size of core. Data is shifted-in
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// not filled-in. Tested in hw.
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//
67 30 mohor
// Revision 1.7  2001/12/06 10:08:06  mohor
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// Warnings from synthesys tools fixed.
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//
70 27 mohor
// Revision 1.6  2001/11/28 09:38:30  mohor
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// Trace disabled by default.
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//
73 23 mohor
// Revision 1.5  2001/10/15 09:55:47  mohor
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// Wishbone interface added, few fixes for better performance,
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// hooks for boundary scan testing added.
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//
77 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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//
80 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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//
83 9 mohor
// 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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//
86 5 mohor
// Revision 1.1.1.1  2001/09/13 13:49:19  mohor
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// Initial official release.
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//
89 2 mohor
// 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
103 23 mohor
//`define TRACE_ENABLED  // Uncomment this define to activate the trace
104 2 mohor
 
105 57 simons
// Define number of cpus supported by the dbg interface
106 73 mohor
`define CPU_NUM 2
107 2 mohor
 
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// Define IDCODE Value
109 71 simons
`define IDCODE_VALUE  32'h14951185
110 2 mohor
 
111 73 mohor
// Define master clock (CPU clock)
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//`define       CPU_CLOCK  50   // Half period = 50 ns => MCLK = 10 Mhz
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`define CPU_CLOCK  2.5   // Half period = 5 ns => MCLK = 200 Mhz
114 2 mohor
 
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// Length of the Instruction register
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`define IR_LENGTH       4
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118 30 mohor
// Length of the Data register (must be equal to the longest scan chain for shifting the data in)
119 27 mohor
`define DR_LENGTH       74
120 2 mohor
 
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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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127 9 mohor
// 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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131 2 mohor
`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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137 11 mohor
// OpSelect (dbg_op_i) signal meaning
138 63 simons
`define DEBUG_READ_0               0
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`define DEBUG_WRITE_0              1
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`define DEBUG_READ_1               2
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`define DEBUG_WRITE_1              3
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`define DEBUG_READ_2               4
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`define DEBUG_WRITE_2              5
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`define DEBUG_READ_3               6
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`define DEBUG_WRITE_3              7
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147 2 mohor
// Supported Instructions
148 30 mohor
`define EXTEST          4'b0000
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`define SAMPLE_PRELOAD  4'b0001
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`define IDCODE          4'b0010
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`define CHAIN_SELECT    4'b0011
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`define INTEST          4'b0100
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`define CLAMP           4'b0101
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`define CLAMPZ          4'b0110
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`define HIGHZ           4'b0111
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`define DEBUG           4'b1000
157 71 simons
`define MBIST           4'b1001
158 30 mohor
`define BYPASS          4'b1111
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// Chains
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`define GLOBAL_BS_CHAIN     4'b0000
162 73 mohor
`define CPU_DEBUG_CHAIN_2   4'b0001
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`define CPU_TEST_CHAIN      4'b0010
164 2 mohor
`define TRACE_TEST_CHAIN    4'b0011
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`define REGISTER_SCAN_CHAIN 4'b0100
166 12 mohor
`define WISHBONE_SCAN_CHAIN 4'b0101
167 73 mohor
`define CPU_DEBUG_CHAIN_0   4'b0110
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`define CPU_DEBUG_CHAIN_1   4'b0111
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`define CPU_DEBUG_CHAIN_3   4'b1000
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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
176 73 mohor
`define CPUOP_ADR           5'h04
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`define CPUSEL_ADR          5'h05
178 5 mohor
`define RECSEL_ADR          5'h10
179 47 mohor
`define MON_CNTL_ADR        5'h11
180 65 simons
`define WB_CNTL_ADR         5'h12
181 2 mohor
 
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// Registers default values (after reset)
184 5 mohor
`define MODER_DEF           2'h0
185 2 mohor
`define TSEL_DEF            32'h00000000
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`define QSEL_DEF            32'h00000000
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`define SSEL_DEF            32'h00000000
188 73 mohor
`define CPUOP_DEF           2'h0
189 9 mohor
`define RECSEL_DEF          7'h0
190 47 mohor
`define MON_CNTL_DEF        4'h0

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