| 1 | // ========== Copyright Header Begin ========================================== |
| 2 | // |
| 3 | // OpenSPARC T2 Processor File: pcs_encoder.v |
| 4 | // Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved |
| 5 | // 4150 Network Circle, Santa Clara, California 95054, U.S.A. |
| 6 | // |
| 7 | // * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 8 | // |
| 9 | // This program is free software; you can redistribute it and/or modify |
| 10 | // it under the terms of the GNU General Public License as published by |
| 11 | // the Free Software Foundation; version 2 of the License. |
| 12 | // |
| 13 | // This program is distributed in the hope that it will be useful, |
| 14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | // GNU General Public License for more details. |
| 17 | // |
| 18 | // You should have received a copy of the GNU General Public License |
| 19 | // along with this program; if not, write to the Free Software |
| 20 | // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 21 | // |
| 22 | // For the avoidance of doubt, and except that if any non-GPL license |
| 23 | // choice is available it will apply instead, Sun elects to use only |
| 24 | // the General Public License version 2 (GPLv2) at this time for any |
| 25 | // software where a choice of GPL license versions is made |
| 26 | // available with the language indicating that GPLv2 or any later version |
| 27 | // may be used, or where a choice of which version of the GPL is applied is |
| 28 | // otherwise unspecified. |
| 29 | // |
| 30 | // Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 31 | // CA 95054 USA or visit www.sun.com if you need additional information or |
| 32 | // have any questions. |
| 33 | // |
| 34 | // ========== Copyright Header End ============================================ |
| 35 | // @(#)pcs_encoder.v 1.1G |
| 36 | /**********************************************************************/ |
| 37 | /* Project Name : CASSINI */ |
| 38 | /* Module Name : PCS Encoder Block */ |
| 39 | /* Description : The encoder block does the 8b10b encoding of data */ |
| 40 | /* and control characters. The encoder_sel signal */ |
| 41 | /* specifies the special characters to be outputted */ |
| 42 | /* for the transmit stream. */ |
| 43 | /* */ |
| 44 | /* Assumptions : none. */ |
| 45 | /* */ |
| 46 | /* Parent module : pcs_tx_dpath.v */ |
| 47 | /* Child modules : none. */ |
| 48 | /* Author Name : Linda Chen */ |
| 49 | /* Date Created : 10/24/96 */ |
| 50 | /* */ |
| 51 | /* Copyright (c) 1994, Sun Microsystems, Inc. */ |
| 52 | /* Sun Proprietary and Confidential */ |
| 53 | /* */ |
| 54 | /* Modifications : none yet */ |
| 55 | /* Synthesis Notes : none yet */ |
| 56 | /**********************************************************************/ |
| 57 | |
| 58 | `include "pcs_define.h" |
| 59 | |
| 60 | module pcs_encoder (tx_8b_enc_in, // inputs |
| 61 | encoder_sel,special_enc_in,pos_disp, |
| 62 | |
| 63 | tx_10b_enc_out); // outputs |
| 64 | |
| 65 | input [7:0] tx_8b_enc_in; // incoming byte |
| 66 | input [3:0] encoder_sel; // used for special characters |
| 67 | input special_enc_in; // marks special characters |
| 68 | input pos_disp; // running disparity of last data |
| 69 | |
| 70 | output [9:0] tx_10b_enc_out; // outgoing 10 bits encoded |
| 71 | |
| 72 | /* |
| 73 | ** Call of function for encoder |
| 74 | */ |
| 75 | assign tx_10b_enc_out = encoder_fn(special_enc_in, |
| 76 | encoder_sel,tx_8b_enc_in, pos_disp); |
| 77 | |
| 78 | /* |
| 79 | ** Function to encode 8b to 10b data |
| 80 | */ |
| 81 | function [9:0] encoder_fn; |
| 82 | input special_char; |
| 83 | input [3:0] encoder_sel; |
| 84 | input [7:0] tx_8b_enc_in; |
| 85 | input RDreg; |
| 86 | |
| 87 | if (~special_char) |
| 88 | case (tx_8b_enc_in[7:0]) //synopsys parallel_case full_case infer_mux |
| 89 | //if RD-, choose 1st, if RD+ choose 2nd |
| 90 | 8'h00: encoder_fn = !RDreg ? 10'b1001110100 : 10'b0110001011; |
| 91 | 8'h01: encoder_fn = !RDreg ? 10'b0111010100 : 10'b1000101011; |
| 92 | 8'h02: encoder_fn = !RDreg ? 10'b1011010100 : 10'b0100101011; |
| 93 | 8'h03: encoder_fn = !RDreg ? 10'b1100011011 : 10'b1100010100; |
| 94 | |
| 95 | 8'h04: encoder_fn = !RDreg ? 10'b1101010100 : 10'b0010101011; |
| 96 | 8'h05: encoder_fn = !RDreg ? 10'b1010011011 : 10'b1010010100; |
| 97 | 8'h06: encoder_fn = !RDreg ? 10'b0110011011 : 10'b0110010100; |
| 98 | 8'h07: encoder_fn = !RDreg ? 10'b1110001011 : 10'b0001110100; |
| 99 | |
| 100 | 8'h08: encoder_fn = !RDreg ? 10'b1110010100 : 10'b0001101011; |
| 101 | 8'h09: encoder_fn = !RDreg ? 10'b1001011011 : 10'b1001010100; |
| 102 | 8'h0a: encoder_fn = !RDreg ? 10'b0101011011 : 10'b0101010100; |
| 103 | 8'h0b: encoder_fn = !RDreg ? 10'b1101001011 : 10'b1101000100; |
| 104 | |
| 105 | 8'h0c: encoder_fn = !RDreg ? 10'b0011011011 : 10'b0011010100; |
| 106 | 8'h0d: encoder_fn = !RDreg ? 10'b1011001011 : 10'b1011000100; |
| 107 | 8'h0e: encoder_fn = !RDreg ? 10'b0111001011 : 10'b0111000100; |
| 108 | 8'h0f: encoder_fn = !RDreg ? 10'b0101110100 : 10'b1010001011; |
| 109 | |
| 110 | 8'h10: encoder_fn = !RDreg ? 10'b0110110100 : 10'b1001001011; |
| 111 | 8'h11: encoder_fn = !RDreg ? 10'b1000111011 : 10'b1000110100; |
| 112 | 8'h12: encoder_fn = !RDreg ? 10'b0100111011 : 10'b0100110100; |
| 113 | 8'h13: encoder_fn = !RDreg ? 10'b1100101011 : 10'b1100100100; |
| 114 | |
| 115 | 8'h14: encoder_fn = !RDreg ? 10'b0010111011 : 10'b0010110100; |
| 116 | 8'h15: encoder_fn = !RDreg ? 10'b1010101011 : 10'b1010100100; |
| 117 | 8'h16: encoder_fn = !RDreg ? 10'b0110101011 : 10'b0110100100; |
| 118 | 8'h17: encoder_fn = !RDreg ? 10'b1110100100 : 10'b0001011011; |
| 119 | |
| 120 | 8'h18: encoder_fn = !RDreg ? 10'b1100110100 : 10'b0011001011; |
| 121 | 8'h19: encoder_fn = !RDreg ? 10'b1001101011 : 10'b1001100100; |
| 122 | 8'h1a: encoder_fn = !RDreg ? 10'b0101101011 : 10'b0101100100; |
| 123 | 8'h1b: encoder_fn = !RDreg ? 10'b1101100100 : 10'b0010011011; |
| 124 | |
| 125 | 8'h1c: encoder_fn = !RDreg ? 10'b0011101011 : 10'b0011100100; |
| 126 | 8'h1d: encoder_fn = !RDreg ? 10'b1011100100 : 10'b0100011011; |
| 127 | 8'h1e: encoder_fn = !RDreg ? 10'b0111100100 : 10'b1000011011; |
| 128 | 8'h1f: encoder_fn = !RDreg ? 10'b1010110100 : 10'b0101001011; |
| 129 | |
| 130 | 8'h20: encoder_fn = !RDreg ? 10'b1001111001 : 10'b0110001001; |
| 131 | 8'h21: encoder_fn = !RDreg ? 10'b0111011001 : 10'b1000101001; |
| 132 | 8'h22: encoder_fn = !RDreg ? 10'b1011011001 : 10'b0100101001; |
| 133 | 8'h23: encoder_fn = 10'b1100011001; |
| 134 | |
| 135 | 8'h24: encoder_fn = !RDreg ? 10'b1101011001 : 10'b0010101001; |
| 136 | 8'h25: encoder_fn = 10'b1010011001; |
| 137 | 8'h26: encoder_fn = 10'b0110011001; |
| 138 | 8'h27: encoder_fn = !RDreg ? 10'b1110001001 : 10'b0001111001; |
| 139 | |
| 140 | 8'h28: encoder_fn = !RDreg ? 10'b1110011001 : 10'b0001101001; |
| 141 | 8'h29: encoder_fn = 10'b1001011001; |
| 142 | 8'h2a: encoder_fn = 10'b0101011001; |
| 143 | 8'h2b: encoder_fn = 10'b1101001001; |
| 144 | |
| 145 | 8'h2c: encoder_fn = 10'b0011011001; |
| 146 | 8'h2d: encoder_fn = 10'b1011001001; |
| 147 | 8'h2e: encoder_fn = 10'b0111001001; |
| 148 | 8'h2f: encoder_fn = !RDreg ? 10'b0101111001 : 10'b1010001001; |
| 149 | |
| 150 | 8'h30: encoder_fn = !RDreg ? 10'b0110111001 : 10'b1001001001; |
| 151 | 8'h31: encoder_fn = 10'b1000111001; |
| 152 | 8'h32: encoder_fn = 10'b0100111001; |
| 153 | 8'h33: encoder_fn = 10'b1100101001; |
| 154 | |
| 155 | 8'h34: encoder_fn = 10'b0010111001; |
| 156 | 8'h35: encoder_fn = 10'b1010101001; |
| 157 | 8'h36: encoder_fn = 10'b0110101001; |
| 158 | 8'h37: encoder_fn = !RDreg ? 10'b1110101001 : 10'b0001011001; |
| 159 | |
| 160 | 8'h38: encoder_fn = !RDreg ? 10'b1100111001 : 10'b0011001001; |
| 161 | 8'h39: encoder_fn = 10'b1001101001; |
| 162 | 8'h3a: encoder_fn = 10'b0101101001; |
| 163 | 8'h3b: encoder_fn = !RDreg ? 10'b1101101001 : 10'b0010011001; |
| 164 | |
| 165 | 8'h3c: encoder_fn = 10'b0011101001; |
| 166 | 8'h3d: encoder_fn = !RDreg ? 10'b1011101001 : 10'b0100011001; |
| 167 | 8'h3e: encoder_fn = !RDreg ? 10'b0111101001 : 10'b1000011001; |
| 168 | 8'h3f: encoder_fn = !RDreg ? 10'b1010111001 : 10'b0101001001; |
| 169 | |
| 170 | 8'h40: encoder_fn = !RDreg ? 10'b1001110101 : 10'b0110000101; |
| 171 | 8'h41: encoder_fn = !RDreg ? 10'b0111010101 : 10'b1000100101; |
| 172 | 8'h42: encoder_fn = !RDreg ? 10'b1011010101 : 10'b0100100101; |
| 173 | 8'h43: encoder_fn = !RDreg ? 10'b1100010101 : 10'b1100010101; |
| 174 | |
| 175 | 8'h44: encoder_fn = !RDreg ? 10'b1101010101 : 10'b0010100101; |
| 176 | 8'h45: encoder_fn = 10'b1010010101; |
| 177 | 8'h46: encoder_fn = 10'b0110010101; |
| 178 | 8'h47: encoder_fn = !RDreg ? 10'b1110000101 : 10'b0001110101; |
| 179 | |
| 180 | 8'h48: encoder_fn = !RDreg ? 10'b1110010101 : 10'b0001100101; |
| 181 | 8'h49: encoder_fn = 10'b1001010101; |
| 182 | 8'h4a: encoder_fn = 10'b0101010101; |
| 183 | 8'h4b: encoder_fn = 10'b1101000101; |
| 184 | |
| 185 | 8'h4c: encoder_fn = 10'b0011010101; |
| 186 | 8'h4d: encoder_fn = 10'b1011000101; |
| 187 | 8'h4e: encoder_fn = 10'b0111000101; |
| 188 | 8'h4f: encoder_fn = !RDreg ? 10'b0101110101 : 10'b1010000101; |
| 189 | |
| 190 | 8'h50: encoder_fn = !RDreg ? 10'b0110110101 : 10'b1001000101; |
| 191 | 8'h51: encoder_fn = 10'b1000110101; |
| 192 | 8'h52: encoder_fn = 10'b0100110101; |
| 193 | 8'h53: encoder_fn = 10'b1100100101; |
| 194 | |
| 195 | 8'h54: encoder_fn = 10'b0010110101; |
| 196 | 8'h55: encoder_fn = 10'b1010100101; |
| 197 | 8'h56: encoder_fn = 10'b0110100101; |
| 198 | 8'h57: encoder_fn = !RDreg ? 10'b1110100101 : 10'b0001010101; |
| 199 | |
| 200 | 8'h58: encoder_fn = !RDreg ? 10'b1100110101 : 10'b0011000101; |
| 201 | 8'h59: encoder_fn = 10'b1001100101; |
| 202 | 8'h5a: encoder_fn = 10'b0101100101; |
| 203 | 8'h5b: encoder_fn = !RDreg ? 10'b1101100101 : 10'b0010010101; |
| 204 | |
| 205 | 8'h5c: encoder_fn = 10'b0011100101; |
| 206 | 8'h5d: encoder_fn = !RDreg ? 10'b1011100101 : 10'b0100010101; |
| 207 | 8'h5e: encoder_fn = !RDreg ? 10'b0111100101 : 10'b1000010101; |
| 208 | 8'h5f: encoder_fn = !RDreg ? 10'b1010110101 : 10'b0101000101; |
| 209 | |
| 210 | 8'h60: encoder_fn = !RDreg ? 10'b1001110011 : 10'b0110001100; |
| 211 | 8'h61: encoder_fn = !RDreg ? 10'b0111010011 : 10'b1000101100; |
| 212 | 8'h62: encoder_fn = !RDreg ? 10'b1011010011 : 10'b0100101100; |
| 213 | 8'h63: encoder_fn = !RDreg ? 10'b1100011100 : 10'b1100010011; |
| 214 | |
| 215 | 8'h64: encoder_fn = !RDreg ? 10'b1101010011 : 10'b0010101100; |
| 216 | 8'h65: encoder_fn = !RDreg ? 10'b1010011100 : 10'b1010010011; |
| 217 | 8'h66: encoder_fn = !RDreg ? 10'b0110011100 : 10'b0110010011; |
| 218 | 8'h67: encoder_fn = !RDreg ? 10'b1110001100 : 10'b0001110011; |
| 219 | |
| 220 | 8'h68: encoder_fn = !RDreg ? 10'b1110010011 : 10'b0001101100; |
| 221 | 8'h69: encoder_fn = !RDreg ? 10'b1001011100 : 10'b1001010011; |
| 222 | 8'h6a: encoder_fn = !RDreg ? 10'b0101011100 : 10'b0101010011; |
| 223 | 8'h6b: encoder_fn = !RDreg ? 10'b1101001100 : 10'b1101000011; |
| 224 | |
| 225 | 8'h6c: encoder_fn = !RDreg ? 10'b0011011100 : 10'b0011010011; |
| 226 | 8'h6d: encoder_fn = !RDreg ? 10'b1011001100 : 10'b1011000011; |
| 227 | 8'h6e: encoder_fn = !RDreg ? 10'b0111001100 : 10'b0111000011; |
| 228 | 8'h6f: encoder_fn = !RDreg ? 10'b0101110011 : 10'b1010001100; |
| 229 | |
| 230 | 8'h70: encoder_fn = !RDreg ? 10'b0110110011 : 10'b1001001100; |
| 231 | 8'h71: encoder_fn = !RDreg ? 10'b1000111100 : 10'b1000110011; |
| 232 | 8'h72: encoder_fn = !RDreg ? 10'b0100111100 : 10'b0100110011; |
| 233 | 8'h73: encoder_fn = !RDreg ? 10'b1100101100 : 10'b1100100011; |
| 234 | |
| 235 | 8'h74: encoder_fn = !RDreg ? 10'b0010111100 : 10'b0010110011; |
| 236 | 8'h75: encoder_fn = !RDreg ? 10'b1010101100 : 10'b1010100011; |
| 237 | 8'h76: encoder_fn = !RDreg ? 10'b0110101100 : 10'b0110100011; |
| 238 | 8'h77: encoder_fn = !RDreg ? 10'b1110100011 : 10'b0001011100; |
| 239 | |
| 240 | 8'h78: encoder_fn = !RDreg ? 10'b1100110011 : 10'b0011001100; |
| 241 | 8'h79: encoder_fn = !RDreg ? 10'b1001101100 : 10'b1001100011; |
| 242 | 8'h7a: encoder_fn = !RDreg ? 10'b0101101100 : 10'b0101100011; |
| 243 | 8'h7b: encoder_fn = !RDreg ? 10'b1101100011 : 10'b0010011100; |
| 244 | |
| 245 | 8'h7c: encoder_fn = !RDreg ? 10'b0011101100 : 10'b0011100011; |
| 246 | 8'h7d: encoder_fn = !RDreg ? 10'b1011100011 : 10'b0100011100; |
| 247 | 8'h7e: encoder_fn = !RDreg ? 10'b0111100011 : 10'b1000011100; |
| 248 | 8'h7f: encoder_fn = !RDreg ? 10'b1010110011 : 10'b0101001100; |
| 249 | |
| 250 | 8'h80: encoder_fn = !RDreg ? 10'b1001110010 : 10'b0110001101; |
| 251 | 8'h81: encoder_fn = !RDreg ? 10'b0111010010 : 10'b1000101101; |
| 252 | 8'h82: encoder_fn = !RDreg ? 10'b1011010010 : 10'b0100101101; |
| 253 | 8'h83: encoder_fn = !RDreg ? 10'b1100011101 : 10'b1100010010; |
| 254 | |
| 255 | 8'h84: encoder_fn = !RDreg ? 10'b1101010010 : 10'b0010101101; |
| 256 | 8'h85: encoder_fn = !RDreg ? 10'b1010011101 : 10'b1010010010; |
| 257 | 8'h86: encoder_fn = !RDreg ? 10'b0110011101 : 10'b0110010010; |
| 258 | 8'h87: encoder_fn = !RDreg ? 10'b1110001101 : 10'b0001110010; |
| 259 | |
| 260 | 8'h88: encoder_fn = !RDreg ? 10'b1110010010 : 10'b0001101101; |
| 261 | 8'h89: encoder_fn = !RDreg ? 10'b1001011101 : 10'b1001010010; |
| 262 | 8'h8a: encoder_fn = !RDreg ? 10'b0101011101 : 10'b0101010010; |
| 263 | 8'h8b: encoder_fn = !RDreg ? 10'b1101001101 : 10'b1101000010; |
| 264 | |
| 265 | 8'h8c: encoder_fn = !RDreg ? 10'b0011011101 : 10'b0011010010; |
| 266 | 8'h8d: encoder_fn = !RDreg ? 10'b1011001101 : 10'b1011000010; |
| 267 | 8'h8e: encoder_fn = !RDreg ? 10'b0111001101 : 10'b0111000010; |
| 268 | 8'h8f: encoder_fn = !RDreg ? 10'b0101110010 : 10'b1010001101; |
| 269 | |
| 270 | 8'h90: encoder_fn = !RDreg ? 10'b0110110010 : 10'b1001001101; |
| 271 | 8'h91: encoder_fn = !RDreg ? 10'b1000111101 : 10'b1000110010; |
| 272 | 8'h92: encoder_fn = !RDreg ? 10'b0100111101 : 10'b0100110010; |
| 273 | 8'h93: encoder_fn = !RDreg ? 10'b1100101101 : 10'b1100100010; |
| 274 | |
| 275 | 8'h94: encoder_fn = !RDreg ? 10'b0010111101 : 10'b0010110010; |
| 276 | 8'h95: encoder_fn = !RDreg ? 10'b1010101101 : 10'b1010100010; |
| 277 | 8'h96: encoder_fn = !RDreg ? 10'b0110101101 : 10'b0110100010; |
| 278 | 8'h97: encoder_fn = !RDreg ? 10'b1110100010 : 10'b0001011101; |
| 279 | |
| 280 | 8'h98: encoder_fn = !RDreg ? 10'b1100110010 : 10'b0011001101; |
| 281 | 8'h99: encoder_fn = !RDreg ? 10'b1001101101 : 10'b1001100010; |
| 282 | 8'h9a: encoder_fn = !RDreg ? 10'b0101101101 : 10'b0101100010; |
| 283 | 8'h9b: encoder_fn = !RDreg ? 10'b1101100010 : 10'b0010011101; |
| 284 | |
| 285 | 8'h9c: encoder_fn = !RDreg ? 10'b0011101101 : 10'b0011100010; |
| 286 | 8'h9d: encoder_fn = !RDreg ? 10'b1011100010 : 10'b0100011101; |
| 287 | 8'h9e: encoder_fn = !RDreg ? 10'b0111100010 : 10'b1000011101; |
| 288 | 8'h9f: encoder_fn = !RDreg ? 10'b1010110010 : 10'b0101001101; |
| 289 | |
| 290 | 8'ha0: encoder_fn = !RDreg ? 10'b1001111010 : 10'b0110001010; |
| 291 | 8'ha1: encoder_fn = !RDreg ? 10'b0111011010 : 10'b1000101010; |
| 292 | 8'ha2: encoder_fn = !RDreg ? 10'b1011011010 : 10'b0100101010; |
| 293 | 8'ha3: encoder_fn = !RDreg ? 10'b1100011010 : 10'b1100011010; |
| 294 | |
| 295 | 8'ha4: encoder_fn = !RDreg ? 10'b1101011010 : 10'b0010101010; |
| 296 | 8'ha5: encoder_fn = 10'b1010011010; |
| 297 | 8'ha6: encoder_fn = 10'b0110011010; |
| 298 | 8'ha7: encoder_fn = !RDreg ? 10'b1110001010 : 10'b0001111010; |
| 299 | |
| 300 | 8'ha8: encoder_fn = !RDreg ? 10'b1110011010 : 10'b0001101010; |
| 301 | 8'ha9: encoder_fn = 10'b1001011010; |
| 302 | 8'haa: encoder_fn = 10'b0101011010; |
| 303 | 8'hab: encoder_fn = 10'b1101001010; |
| 304 | |
| 305 | 8'hac: encoder_fn = 10'b0011011010; |
| 306 | 8'had: encoder_fn = 10'b1011001010; |
| 307 | 8'hae: encoder_fn = 10'b0111001010; |
| 308 | 8'haf: encoder_fn = !RDreg ? 10'b0101111010 : 10'b1010001010; |
| 309 | |
| 310 | 8'hb0: encoder_fn = !RDreg ? 10'b0110111010 : 10'b1001001010; |
| 311 | 8'hb1: encoder_fn = 10'b1000111010; |
| 312 | 8'hb2: encoder_fn = 10'b0100111010; |
| 313 | 8'hb3: encoder_fn = 10'b1100101010; |
| 314 | |
| 315 | 8'hb4: encoder_fn = 10'b0010111010; |
| 316 | 8'hb5: encoder_fn = 10'b1010101010; |
| 317 | 8'hb6: encoder_fn = 10'b0110101010; |
| 318 | 8'hb7: encoder_fn = !RDreg ? 10'b1110101010 : 10'b0001011010; |
| 319 | |
| 320 | 8'hb8: encoder_fn = !RDreg ? 10'b1100111010 : 10'b0011001010; |
| 321 | 8'hb9: encoder_fn = 10'b1001101010; |
| 322 | 8'hba: encoder_fn = 10'b0101101010; |
| 323 | 8'hbb: encoder_fn = !RDreg ? 10'b1101101010 : 10'b0010011010; |
| 324 | |
| 325 | 8'hbc: encoder_fn = 10'b0011101010; |
| 326 | 8'hbd: encoder_fn = !RDreg ? 10'b1011101010 : 10'b0100011010; |
| 327 | 8'hbe: encoder_fn = !RDreg ? 10'b0111101010 : 10'b1000011010; |
| 328 | 8'hbf: encoder_fn = !RDreg ? 10'b1010111010 : 10'b0101001010; |
| 329 | |
| 330 | 8'hc0: encoder_fn = !RDreg ? 10'b1001110110 : 10'b0110000110; |
| 331 | 8'hc1: encoder_fn = !RDreg ? 10'b0111010110 : 10'b1000100110; |
| 332 | 8'hc2: encoder_fn = !RDreg ? 10'b1011010110 : 10'b0100100110; |
| 333 | 8'hc3: encoder_fn = 10'b1100010110; |
| 334 | |
| 335 | 8'hc4: encoder_fn = !RDreg ? 10'b1101010110 : 10'b0010100110; |
| 336 | 8'hc5: encoder_fn = 10'b1010010110; |
| 337 | 8'hc6: encoder_fn = 10'b0110010110; |
| 338 | 8'hc7: encoder_fn = !RDreg ? 10'b1110000110 : 10'b0001110110; |
| 339 | |
| 340 | 8'hc8: encoder_fn = !RDreg ? 10'b1110010110 : 10'b0001100110; |
| 341 | 8'hc9: encoder_fn = 10'b1001010110; |
| 342 | 8'hca: encoder_fn = 10'b0101010110; |
| 343 | 8'hcb: encoder_fn = 10'b1101000110; |
| 344 | |
| 345 | 8'hcc: encoder_fn = 10'b0011010110; |
| 346 | 8'hcd: encoder_fn = 10'b1011000110; |
| 347 | 8'hce: encoder_fn = 10'b0111000110; |
| 348 | 8'hcf: encoder_fn = !RDreg ? 10'b0101110110 : 10'b1010000110; |
| 349 | |
| 350 | 8'hd0: encoder_fn = !RDreg ? 10'b0110110110 : 10'b1001000110; |
| 351 | 8'hd1: encoder_fn = 10'b1000110110; |
| 352 | 8'hd2: encoder_fn = 10'b0100110110; |
| 353 | 8'hd3: encoder_fn = 10'b1100100110; |
| 354 | |
| 355 | 8'hd4: encoder_fn = 10'b0010110110; |
| 356 | 8'hd5: encoder_fn = 10'b1010100110; |
| 357 | 8'hd6: encoder_fn = 10'b0110100110; |
| 358 | 8'hd7: encoder_fn = !RDreg ? 10'b1110100110 : 10'b0001010110; |
| 359 | |
| 360 | 8'hd8: encoder_fn = !RDreg ? 10'b1100110110 : 10'b0011000110; |
| 361 | 8'hd9: encoder_fn = 10'b1001100110; |
| 362 | 8'hda: encoder_fn = 10'b0101100110; |
| 363 | 8'hdb: encoder_fn = !RDreg ? 10'b1101100110 : 10'b0010010110; |
| 364 | |
| 365 | 8'hdc: encoder_fn = 10'b0011100110; |
| 366 | 8'hdd: encoder_fn = !RDreg ? 10'b1011100110 : 10'b0100010110; |
| 367 | 8'hde: encoder_fn = !RDreg ? 10'b0111100110 : 10'b1000010110; |
| 368 | 8'hdf: encoder_fn = !RDreg ? 10'b1010110110 : 10'b0101000110; |
| 369 | |
| 370 | 8'he0: encoder_fn = !RDreg ? 10'b1001110001 : 10'b0110001110; |
| 371 | 8'he1: encoder_fn = !RDreg ? 10'b0111010001 : 10'b1000101110; |
| 372 | 8'he2: encoder_fn = !RDreg ? 10'b1011010001 : 10'b0100101110; |
| 373 | 8'he3: encoder_fn = !RDreg ? 10'b1100011110 : 10'b1100010001; |
| 374 | |
| 375 | 8'he4: encoder_fn = !RDreg ? 10'b1101010001 : 10'b0010101110; |
| 376 | 8'he5: encoder_fn = !RDreg ? 10'b1010011110 : 10'b1010010001; |
| 377 | 8'he6: encoder_fn = !RDreg ? 10'b0110011110 : 10'b0110010001; |
| 378 | 8'he7: encoder_fn = !RDreg ? 10'b1110001110 : 10'b0001110001; |
| 379 | |
| 380 | 8'he8: encoder_fn = !RDreg ? 10'b1110010001 : 10'b0001101110; |
| 381 | 8'he9: encoder_fn = !RDreg ? 10'b1001011110 : 10'b1001010001; |
| 382 | 8'hea: encoder_fn = !RDreg ? 10'b0101011110 : 10'b0101010001; |
| 383 | 8'heb: encoder_fn = !RDreg ? 10'b1101001110 : 10'b1101001000; |
| 384 | |
| 385 | 8'hec: encoder_fn = !RDreg ? 10'b0011011110 : 10'b0011010001; |
| 386 | 8'hed: encoder_fn = !RDreg ? 10'b1011001110 : 10'b1011001000; |
| 387 | 8'hee: encoder_fn = !RDreg ? 10'b0111001110 : 10'b0111001000; |
| 388 | 8'hef: encoder_fn = !RDreg ? 10'b0101110001 : 10'b1010001110; |
| 389 | |
| 390 | 8'hf0: encoder_fn = !RDreg ? 10'b0110110001 : 10'b1001001110; |
| 391 | 8'hf1: encoder_fn = !RDreg ? 10'b1000110111 : 10'b1000110001; |
| 392 | 8'hf2: encoder_fn = !RDreg ? 10'b0100110111 : 10'b0100110001; |
| 393 | 8'hf3: encoder_fn = !RDreg ? 10'b1100101110 : 10'b1100100001; |
| 394 | |
| 395 | 8'hf4: encoder_fn = !RDreg ? 10'b0010110111 : 10'b0010110001; |
| 396 | 8'hf5: encoder_fn = !RDreg ? 10'b1010101110 : 10'b1010100001; |
| 397 | 8'hf6: encoder_fn = !RDreg ? 10'b0110101110 : 10'b0110100001; |
| 398 | 8'hf7: encoder_fn = !RDreg ? 10'b1110100001 : 10'b0001011110; |
| 399 | |
| 400 | 8'hf8: encoder_fn = !RDreg ? 10'b1100110001 : 10'b0011001110; |
| 401 | 8'hf9: encoder_fn = !RDreg ? 10'b1001101110 : 10'b1001100001; |
| 402 | 8'hfa: encoder_fn = !RDreg ? 10'b0101101110 : 10'b0101100001; |
| 403 | 8'hfb: encoder_fn = !RDreg ? 10'b1101100001 : 10'b0010011110; |
| 404 | |
| 405 | 8'hfc: encoder_fn = !RDreg ? 10'b0011101110 : 10'b0011100001; |
| 406 | 8'hfd: encoder_fn = !RDreg ? 10'b1011100001 : 10'b0100011110; |
| 407 | 8'hfe: encoder_fn = !RDreg ? 10'b0111100001 : 10'b1000011110; |
| 408 | 8'hff: encoder_fn = !RDreg ? 10'b1010110001 : 10'b0101001110; |
| 409 | |
| 410 | endcase |
| 411 | else |
| 412 | case (encoder_sel) // synopsys full_case parallel_case infer_mux |
| 413 | `PCS_ENC_K285 : // 4'h0 - K28.5 |
| 414 | encoder_fn = !RDreg ? 10'b0011111010 : 10'b1100000101; |
| 415 | `PCS_ENC_IDLE2 : // 4'h1 - D16.2 |
| 416 | encoder_fn = !RDreg ? 10'b0110110101 : 10'b1001000101; |
| 417 | `PCS_ENC_SOP : // 4'h2 - K27.7 |
| 418 | encoder_fn = !RDreg ? 10'b1101101000 : 10'b0010010111; |
| 419 | `PCS_ENC_T_CHAR : // 4'h4 - K29.7 |
| 420 | encoder_fn = !RDreg ? 10'b1011101000 : 10'b0100010111; |
| 421 | `PCS_ENC_R_CHAR : // 4'h5 - K23.7 |
| 422 | encoder_fn = !RDreg ? 10'b1110101000 : 10'b0001010111; |
| 423 | `PCS_ENC_IDLE1 : // 4'h6 - D5.6 |
| 424 | encoder_fn = 10'b1010010110; |
| 425 | `PCS_ENC_H_CHAR : // 4'h7 - K30.7 |
| 426 | encoder_fn = !RDreg ? 10'b0111101000 : 10'b1000010111; |
| 427 | `PCS_ENC_LINK_CONFA : // 4'h8 - D21.5 |
| 428 | encoder_fn = 10'b1010101010; |
| 429 | `PCS_ENC_LINK_CONFB : // 4'h9 - D2.2 |
| 430 | encoder_fn = !RDreg ? 10'b1011010101 : 10'b0100100101; |
| 431 | endcase |
| 432 | endfunction |
| 433 | |
| 434 | endmodule |
| 435 | |
| 436 | |
| 437 | |