| 1 | 18 | unneback | //////////////////////////////////////////////////////////////////////
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         | 2 |  |  | ////                                                              ////
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         | 3 |  |  | ////  dbg_cpu_defines.v                                           ////
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         | 4 |  |  | ////                                                              ////
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         | 5 |  |  | ////                                                              ////
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         | 6 |  |  | ////  This file is part of the SoC Debug Interface.               ////
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         | 7 |  |  | ////  http://www.opencores.org/projects/DebugInterface/           ////
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         | 8 |  |  | ////                                                              ////
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         | 9 |  |  | ////  Author(s):                                                  ////
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         | 10 |  |  | ////       Igor Mohor (igorm@opencores.org)                       ////
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         | 11 |  |  | ////                                                              ////
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         | 12 |  |  | ////                                                              ////
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         | 13 |  |  | ////  All additional information is avaliable in the README.txt   ////
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         | 14 |  |  | ////  file.                                                       ////
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         | 15 |  |  | ////                                                              ////
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         | 16 |  |  | //////////////////////////////////////////////////////////////////////
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         | 17 |  |  | ////                                                              ////
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         | 18 |  |  | //// Copyright (C) 2000 - 2004 Authors                            ////
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         | 19 |  |  | ////                                                              ////
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         | 20 |  |  | //// This source file may be used and distributed without         ////
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         | 21 |  |  | //// restriction provided that this copyright statement is not    ////
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         | 22 |  |  | //// removed from the file and that any derivative work contains  ////
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         | 23 |  |  | //// the original copyright notice and the associated disclaimer. ////
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         | 24 |  |  | ////                                                              ////
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         | 25 |  |  | //// This source file is free software; you can redistribute it   ////
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         | 26 |  |  | //// and/or modify it under the terms of the GNU Lesser General   ////
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         | 27 |  |  | //// Public License as published by the Free Software Foundation; ////
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         | 28 |  |  | //// either version 2.1 of the License, or (at your option) any   ////
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         | 29 |  |  | //// later version.                                               ////
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         | 30 |  |  | ////                                                              ////
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         | 31 |  |  | //// This source is distributed in the hope that it will be       ////
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         | 32 |  |  | //// useful, but WITHOUT ANY WARRANTY; without even the implied   ////
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         | 33 |  |  | //// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////
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         | 34 |  |  | //// PURPOSE.  See the GNU Lesser General Public License for more ////
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         | 35 |  |  | //// details.                                                     ////
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         | 36 |  |  | ////                                                              ////
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         | 37 |  |  | //// You should have received a copy of the GNU Lesser General    ////
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         | 38 |  |  | //// Public License along with this source; if not, download it   ////
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         | 39 |  |  | //// from http://www.opencores.org/lgpl.shtml                     ////
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         | 40 |  |  | ////                                                              ////
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         | 41 |  |  | //////////////////////////////////////////////////////////////////////
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         | 42 |  |  | //
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         | 43 |  |  | // CVS Revision History
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         | 44 |  |  | //
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         | 45 |  |  | // $Log: dbg_cpu_defines.v,v $
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         | 46 |  |  | // Revision 1.6  2004/04/05 13:52:54  igorm
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         | 47 |  |  | // CPU_WR_CTRL and CPU_RD_CTRL defines changed.
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         | 48 |  |  | //
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         | 49 |  |  | // Revision 1.5  2004/03/31 14:34:09  igorm
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         | 50 |  |  | // data_cnt_lim length changed to reduce number of warnings.
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         | 51 |  |  | //
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         | 52 |  |  | // Revision 1.4  2004/03/28 20:27:02  igorm
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         | 53 |  |  | // New release of the debug interface (3rd. release).
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         | 54 |  |  | //
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         | 55 |  |  | // Revision 1.3  2004/03/22 16:35:46  igorm
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         | 56 |  |  | // Temp version before changing dbg interface.
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         | 57 |  |  | //
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         | 58 |  |  | // Revision 1.2  2004/01/17 17:01:14  mohor
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         | 59 |  |  | // Almost finished.
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         | 60 |  |  | //
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         | 61 |  |  | // Revision 1.1  2004/01/16 14:53:33  mohor
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         | 62 |  |  | // *** empty log message ***
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         | 63 |  |  | //
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         | 64 |  |  | //
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         | 65 |  |  | //
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         | 66 |  |  |  
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         | 67 |  |  |  
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         | 68 |  |  |  
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         | 69 |  |  | // Defining length of the command
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         | 70 |  |  | `define DBG_CPU_CMD_LEN          3'd4
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         | 71 |  |  | `define DBG_CPU_CMD_CNT_WIDTH    3
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         | 72 |  |  |  
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         | 73 |  |  | // Defining length of the access_type field
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         | 74 |  |  | `define DBG_CPU_ACC_TYPE_LEN     3'd4
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         | 75 |  |  |  
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         | 76 |  |  | // Defining length of the address
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         | 77 |  |  | `define DBG_CPU_ADR_LEN          6'd32
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         | 78 |  |  |  
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         | 79 |  |  | // Defining length of the length register
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         | 80 |  |  | `define DBG_CPU_LEN_LEN          5'd16
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         | 81 |  |  |  
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         | 82 |  |  | // Defining total length of the DR needed
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         | 83 |  |  | //define DBG_CPU_DR_LEN           (`DBG_CPU_ACC_TYPE_LEN + `DBG_CPU_ADR_LEN + `DBG_CPU_LEN_LEN)
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         | 84 |  |  | `define DBG_CPU_DR_LEN           52
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         | 85 |  |  | // Defining length of the CRC
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         | 86 |  |  | `define DBG_CPU_CRC_LEN          6'd32
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         | 87 |  |  | `define DBG_CPU_CRC_CNT_WIDTH    6
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         | 88 |  |  |  
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         | 89 |  |  | // Defining length of status
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         | 90 |  |  | `define DBG_CPU_STATUS_LEN       3'd4
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         | 91 |  |  | `define DBG_CPU_STATUS_CNT_WIDTH 3
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         | 92 |  |  |  
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         | 93 |  |  | // Defining length of the data
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         | 94 |  |  | //define DBG_CPU_DATA_CNT_WIDTH      `DBG_CPU_LEN_LEN + 3
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         | 95 |  |  | `define DBG_CPU_DATA_CNT_WIDTH    19
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         | 96 |  |  | //define DBG_CPU_DATA_CNT_LIM_WIDTH   `DBG_CPU_LEN_LEN
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         | 97 |  |  | `define DBG_CPU_DATA_CNT_LIM_WIDTH 16
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         | 98 |  |  | // Defining length of the control register
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         | 99 |  |  | `define DBG_CPU_CTRL_LEN         2
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         | 100 |  |  |  
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         | 101 |  |  | //Defining commands
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         | 102 |  |  | `define DBG_CPU_GO               4'h0
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         | 103 |  |  | `define DBG_CPU_RD_COMM          4'h1
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         | 104 |  |  | `define DBG_CPU_WR_COMM          4'h2
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         | 105 |  |  | `define DBG_CPU_RD_CTRL          4'h3
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         | 106 |  |  | `define DBG_CPU_WR_CTRL          4'h4
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         | 107 |  |  |  
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         | 108 |  |  | // Defining access types for wishbone
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         | 109 |  |  | `define DBG_CPU_WRITE            4'h2
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         | 110 |  |  | `define DBG_CPU_READ             4'h6
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         | 111 |  |  |  
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         | 112 |  |  |  
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