git.zerfleddert.de Git - raggedstone/blob - ethernet/source/pci/pci_constants.v

   1 //////////////////////////////////////////////////////////////////////
   2 ////                                                              ////
   3 ////  File name "pci_constants.v"                                 ////
   4 ////                                                              ////
   5 ////  This file is part of the "PCI bridge" project               ////
   6 ////  http://www.opencores.org/cores/pci/                         ////
   7 ////                                                              ////
   8 ////  Author(s):                                                  ////
   9 ////      - Miha Dolenc (mihad@opencores.org)                     ////
  10 ////      - Tadej Markovic (tadej@opencores.org)                  ////
  11 ////                                                              ////
  12 ////  All additional information is avaliable in the README.txt   ////
  13 ////  file.                                                       ////
  14 ////                                                              ////
  15 ////                                                              ////
  16 //////////////////////////////////////////////////////////////////////
  17 ////                                                              ////
  18 //// Copyright (C) 2000 Miha Dolenc, mihad@opencores.org          ////
  19 ////                                                              ////
  20 //// This source file may be used and distributed without         ////
  21 //// restriction provided that this copyright statement is not    ////
  22 //// removed from the file and that any derivative work contains  ////
  23 //// the original copyright notice and the associated disclaimer. ////
  24 ////                                                              ////
  25 //// This source file is free software; you can redistribute it   ////
  26 //// and/or modify it under the terms of the GNU Lesser General   ////
  27 //// Public License as published by the Free Software Foundation; ////
  28 //// either version 2.1 of the License, or (at your option) any   ////
  29 //// later version.                                               ////
  30 ////                                                              ////
  31 //// This source is distributed in the hope that it will be       ////
  32 //// useful, but WITHOUT ANY WARRANTY; without even the implied   ////
  33 //// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////
  34 //// PURPOSE.  See the GNU Lesser General Public License for more ////
  35 //// details.                                                     ////
  36 ////                                                              ////
  37 //// You should have received a copy of the GNU Lesser General    ////
  38 //// Public License along with this source; if not, download it   ////
  39 //// from http://www.opencores.org/lgpl.shtml                     ////
  40 ////                                                              ////
  41 //////////////////////////////////////////////////////////////////////
  42 //
  43 // CVS Revision History
  44 //
  45 // $Log: pci_constants.v,v $
  46 // Revision 1.1  2007-03-20 17:50:56  sithglan
  47 // add shit
  48 //
  49 // Revision 1.2  2003/12/19 11:11:30  mihad
  50 // Compact PCI Hot Swap support added.
  51 // New testcases added.
  52 // Specification updated.
  53 // Test application changed to support WB B3 cycles.
  54 //
  55 // Revision 1.1  2002/02/01 14:43:31  mihad
  56 // *** empty log message ***
  57 //
  58 // Revision 1.2  2001/10/05 08:14:28  mihad
  59 // Updated all files with inclusion of timescale file for simulation purposes.
  60 //
  61 // Revision 1.1.1.1  2001/10/02 15:33:46  mihad
  62 // New project directory structure
  63 //
  64
  65 // first include user definable parameters
  66 `ifdef REGRESSION // Used only for regression testing purposes!!!
  67         `include "pci_regression_constants.v"
  68 `else
  69         `include "pci_user_constants.v"
  70 `endif
  71
  72 ////////////////////////////////////////////////////////////////////////
  73 ////                                                                ////
  74 //// FIFO parameters define behaviour of FIFO control logic and     ////
  75 //// FIFO depths.                                                   ////
  76 ////                                                                ////
  77 ////////////////////////////////////////////////////////////////////////
  78 `define WBW_DEPTH (1 << `WBW_ADDR_LENGTH)
  79 `define WBR_DEPTH (1 << `WBR_ADDR_LENGTH)
  80 `define PCIW_DEPTH (1 << `PCIW_ADDR_LENGTH)
  81 `define PCIR_DEPTH (1 << `PCIR_ADDR_LENGTH)
  82
  83 // defines on which bit in control bus means what
  84 `define ADDR_CTRL_BIT 3
  85 `define LAST_CTRL_BIT 0
  86 `define DATA_ERROR_CTRL_BIT 1
  87 `define UNUSED_CTRL_BIT 2
  88 `define BURST_BIT 2
  89
  90 // MAX Retry counter value for PCI Master state-machine
  91 //      This value is 8-bit because of 8-bit retry counter !!!
  92 //`define PCI_RTY_CNT_MAX                       8'h08
  93
  94 // Value of address mask for WB configuration image. This has to be defined always, since it is a value, that is not changable in runtime.
  95 // !!!!!!!!!!!!!!!!!!!!!!!If this is not defined, WB configuration access will not be possible!!!!!!!!!!!!!!!!!!!!!1
  96 `define WB_AM0 20'hffff_f
  97
  98 // PCI target & WB slave ADDRESS names for configuration space !!!
  99 // This does not include address offsets of PCI Header registers - they starts at offset 0 (see PCI spec.)
 100 //   ALL VALUES are without 2 LSBits AND there is required that address bit [8] is set while
 101 //   accessing this registers, otherwise the configuration header will be accessed !!!
 102 `define PCI_CAP_PTR_VAL         8'h80
 103 `define P_IMG_CTRL0_ADDR                6'h00   //      Address offset = h 100
 104 `define P_BA0_ADDR                              6'h01   //      Address offset = h 104
 105 `define P_AM0_ADDR                              6'h02   //      Address offset = h 108
 106 `define P_TA0_ADDR                              6'h03   //      Address offset = h 10c
 107 `define P_IMG_CTRL1_ADDR        6'h04   //      Address offset = h 110
 108 `define P_BA1_ADDR                              6'h05   //      Address offset = h 114
 109 `define P_AM1_ADDR                              6'h06   //      Address offset = h 118
 110 `define P_TA1_ADDR                              6'h07   //      Address offset = h 11c
 111 `define P_IMG_CTRL2_ADDR                6'h08   //      Address offset = h 120
 112 `define P_BA2_ADDR                              6'h09   //      Address offset = h 124
 113 `define P_AM2_ADDR                              6'h0a   //      Address offset = h 128
 114 `define P_TA2_ADDR                              6'h0b   //      Address offset = h 12c
 115 `define P_IMG_CTRL3_ADDR                6'h0c   //      Address offset = h 130
 116 `define P_BA3_ADDR                              6'h0d   //      Address offset = h 134
 117 `define P_AM3_ADDR                              6'h0e   //      Address offset = h 138
 118 `define P_TA3_ADDR                              6'h0f   //      Address offset = h 13c
 119 `define P_IMG_CTRL4_ADDR                6'h10   //      Address offset = h 140
 120 `define P_BA4_ADDR                              6'h11   //      Address offset = h 144
 121 `define P_AM4_ADDR                              6'h12   //      Address offset = h 148
 122 `define P_TA4_ADDR                              6'h13   //      Address offset = h 14c
 123 `define P_IMG_CTRL5_ADDR                6'h14   //      Address offset = h 150
 124 `define P_BA5_ADDR                              6'h15   //      Address offset = h 154
 125 `define P_AM5_ADDR                              6'h16   //      Address offset = h 158
 126 `define P_TA5_ADDR                              6'h17   //      Address offset = h 15c
 127 `define P_ERR_CS_ADDR                   6'h18   //      Address offset = h 160
 128 `define P_ERR_ADDR_ADDR                 6'h19   //      Address offset = h 164
 129 `define P_ERR_DATA_ADDR                 6'h1a   //      Address offset = h 168
 130
 131 `define WB_CONF_SPC_BAR_ADDR    6'h20   //      Address offset = h 180
 132 `define W_IMG_CTRL1_ADDR                6'h21   //      Address offset = h 184
 133 `define W_BA1_ADDR                              6'h22   //      Address offset = h 188
 134 `define W_AM1_ADDR                              6'h23   //      Address offset = h 18c
 135 `define W_TA1_ADDR                              6'h24   //      Address offset = h 190
 136 `define W_IMG_CTRL2_ADDR                6'h25   //      Address offset = h 194
 137 `define W_BA2_ADDR                              6'h26   //      Address offset = h 198
 138 `define W_AM2_ADDR                              6'h27   //      Address offset = h 19c
 139 `define W_TA2_ADDR                              6'h28   //      Address offset = h 1a0
 140 `define W_IMG_CTRL3_ADDR                6'h29   //      Address offset = h 1a4
 141 `define W_BA3_ADDR                              6'h2a   //      Address offset = h 1a8
 142 `define W_AM3_ADDR                              6'h2b   //      Address offset = h 1ac
 143 `define W_TA3_ADDR                              6'h2c   //      Address offset = h 1b0
 144 `define W_IMG_CTRL4_ADDR                6'h2d   //      Address offset = h 1b4
 145 `define W_BA4_ADDR                              6'h2e   //      Address offset = h 1b8
 146 `define W_AM4_ADDR                              6'h2f   //      Address offset = h 1bc
 147 `define W_TA4_ADDR                              6'h30   //      Address offset = h 1c0
 148 `define W_IMG_CTRL5_ADDR                6'h31   //      Address offset = h 1c4
 149 `define W_BA5_ADDR                              6'h32   //      Address offset = h 1c8
 150 `define W_AM5_ADDR                              6'h33   //      Address offset = h 1cc
 151 `define W_TA5_ADDR                              6'h34   //      Address offset = h 1d0
 152 `define W_ERR_CS_ADDR                   6'h35   //      Address offset = h 1d4
 153 `define W_ERR_ADDR_ADDR                 6'h36   //      Address offset = h 1d8
 154 `define W_ERR_DATA_ADDR                 6'h37   //      Address offset = h 1dc
 155 `define CNF_ADDR_ADDR                   6'h38   //      Address offset = h 1e0
 156 // Following two registers are not implemented in a configuration space but in a WishBone unit!
 157 `define CNF_DATA_ADDR                   6'h39   //      Address offset = h 1e4
 158 `define INT_ACK_ADDR                    6'h3a   //      Address offset = h 1e8
 159 // -------------------------------------
 160 `define ICR_ADDR                                6'h3b   //      Address offset = h 1ec
 161 `define ISR_ADDR                        6'h3c   //      Address offset = h 1f0
 162
 163 `ifdef PCI33
 164     `define HEADER_66MHz        1'b0
 165 `else
 166 `ifdef PCI66
 167     `define HEADER_66MHz        1'b1
 168 `endif
 169 `endif
 170
 171 // all flip-flops in the design have this inter-assignment delay
 172 `define FF_DELAY 1
 173