| 1 | // ========== Copyright Header Begin ========================================== |
| 2 | // |
| 3 | // OpenSPARC T2 Processor File: lsu_dcp_dp.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 | module lsu_dcp_dp ( |
| 36 | lmd_fill_data_e, |
| 37 | dcc_parity_invert, |
| 38 | mbi_run, |
| 39 | mbi_wdata, |
| 40 | dcp_fill_data_e, |
| 41 | dcp_parity); |
| 42 | wire [15:0] parity; |
| 43 | wire [15:0] parity_e; |
| 44 | |
| 45 | |
| 46 | input [127:0] lmd_fill_data_e; |
| 47 | input [7:0] dcc_parity_invert; |
| 48 | |
| 49 | input mbi_run; |
| 50 | input [7:0] mbi_wdata; |
| 51 | |
| 52 | output [127:0] dcp_fill_data_e; |
| 53 | output [15:0] dcp_parity; |
| 54 | |
| 55 | // Mux in BIST data |
| 56 | |
| 57 | lsu_dcp_dp_mux_macro__dmux_32x__mux_pgpe__ports_2__width_64 bist_dmux0 ( |
| 58 | .din0 ({8{mbi_wdata[7:0]}}), |
| 59 | .din1 (lmd_fill_data_e[127:64]), |
| 60 | .sel0 (mbi_run), |
| 61 | .dout (dcp_fill_data_e[127:64]) |
| 62 | ); |
| 63 | |
| 64 | lsu_dcp_dp_mux_macro__dmux_32x__mux_pgpe__ports_2__width_64 bist_dmux1 ( |
| 65 | .din0 ({8{mbi_wdata[7:0]}}), |
| 66 | .din1 (lmd_fill_data_e[63:0]), |
| 67 | .sel0 (mbi_run), |
| 68 | .dout (dcp_fill_data_e[63:0]) |
| 69 | ); |
| 70 | |
| 71 | //////////////////////////////////////////////////////////////////////////////// |
| 72 | // Parity generation |
| 73 | //////////////////////////////////////////////////////////////////////////////// |
| 74 | |
| 75 | lsu_dcp_dp_prty_macro__width_8 prty_b00 ( |
| 76 | .din (lmd_fill_data_e[7:0]), |
| 77 | .dout (parity[0]) |
| 78 | ); |
| 79 | lsu_dcp_dp_prty_macro__width_8 prty_b01 ( |
| 80 | .din (lmd_fill_data_e[15:8]), |
| 81 | .dout (parity[1]) |
| 82 | ); |
| 83 | lsu_dcp_dp_prty_macro__width_8 prty_b02 ( |
| 84 | .din (lmd_fill_data_e[23:16]), |
| 85 | .dout (parity[2]) |
| 86 | ); |
| 87 | lsu_dcp_dp_prty_macro__width_8 prty_b03 ( |
| 88 | .din (lmd_fill_data_e[31:24]), |
| 89 | .dout (parity[3]) |
| 90 | ); |
| 91 | lsu_dcp_dp_prty_macro__width_8 prty_b04 ( |
| 92 | .din (lmd_fill_data_e[39:32]), |
| 93 | .dout (parity[4]) |
| 94 | ); |
| 95 | lsu_dcp_dp_prty_macro__width_8 prty_b05 ( |
| 96 | .din (lmd_fill_data_e[47:40]), |
| 97 | .dout (parity[5]) |
| 98 | ); |
| 99 | lsu_dcp_dp_prty_macro__width_8 prty_b06 ( |
| 100 | .din (lmd_fill_data_e[55:48]), |
| 101 | .dout (parity[6]) |
| 102 | ); |
| 103 | lsu_dcp_dp_prty_macro__width_8 prty_b07 ( |
| 104 | .din (lmd_fill_data_e[63:56]), |
| 105 | .dout (parity[7]) |
| 106 | ); |
| 107 | lsu_dcp_dp_prty_macro__width_8 prty_b08 ( |
| 108 | .din (lmd_fill_data_e[71:64]), |
| 109 | .dout (parity[8]) |
| 110 | ); |
| 111 | lsu_dcp_dp_prty_macro__width_8 prty_b09 ( |
| 112 | .din (lmd_fill_data_e[79:72]), |
| 113 | .dout (parity[9]) |
| 114 | ); |
| 115 | lsu_dcp_dp_prty_macro__width_8 prty_b10 ( |
| 116 | .din (lmd_fill_data_e[87:80]), |
| 117 | .dout (parity[10]) |
| 118 | ); |
| 119 | lsu_dcp_dp_prty_macro__width_8 prty_b11 ( |
| 120 | .din (lmd_fill_data_e[95:88]), |
| 121 | .dout (parity[11]) |
| 122 | ); |
| 123 | lsu_dcp_dp_prty_macro__width_8 prty_b12 ( |
| 124 | .din (lmd_fill_data_e[103:96]), |
| 125 | .dout (parity[12]) |
| 126 | ); |
| 127 | lsu_dcp_dp_prty_macro__width_8 prty_b13 ( |
| 128 | .din (lmd_fill_data_e[111:104]), |
| 129 | .dout (parity[13]) |
| 130 | ); |
| 131 | lsu_dcp_dp_prty_macro__width_8 prty_b14 ( |
| 132 | .din (lmd_fill_data_e[119:112]), |
| 133 | .dout (parity[14]) |
| 134 | ); |
| 135 | lsu_dcp_dp_prty_macro__width_8 prty_b15 ( |
| 136 | .din (lmd_fill_data_e[127:120]), |
| 137 | .dout (parity[15]) |
| 138 | ); |
| 139 | |
| 140 | //////////////////////////////////////////////////////////////////////////////// |
| 141 | // Error injection |
| 142 | //////////////////////////////////////////////////////////////////////////////// |
| 143 | |
| 144 | lsu_dcp_dp_xor_macro__stack_16l__width_16 error_inj ( |
| 145 | .din0 (parity[15:0]), |
| 146 | .din1 ({dcc_parity_invert[7:0],dcc_parity_invert[7:0]}), |
| 147 | .dout (parity_e[15:0]) |
| 148 | ); |
| 149 | |
| 150 | //////////////////////////////////////////////////////////////////////////////// |
| 151 | // Mux in BIST data |
| 152 | // NOTE: If timing is too tight, this mux could be removed. It would mean that |
| 153 | // the bist engine doesn't have direct control over the parity bits. |
| 154 | //////////////////////////////////////////////////////////////////////////////// |
| 155 | |
| 156 | lsu_dcp_dp_mux_macro__dmux_32x__mux_pgpe__ports_2__stack_16l__width_16 bist_pmux ( |
| 157 | .din0 ({2{mbi_wdata[7:0]}}), |
| 158 | .din1 (parity_e[15:0]), |
| 159 | .sel0 (mbi_run), |
| 160 | .dout (dcp_parity[15:0]) |
| 161 | ); |
| 162 | |
| 163 | endmodule |
| 164 | |
| 165 | |
| 166 | // general mux macro for pass-gate and and-or muxes with/wout priority encoders |
| 167 | // also for pass-gate with decoder |
| 168 | |
| 169 | |
| 170 | |
| 171 | |
| 172 | |
| 173 | // any PARAMS parms go into naming of macro |
| 174 | |
| 175 | module lsu_dcp_dp_mux_macro__dmux_32x__mux_pgpe__ports_2__width_64 ( |
| 176 | din0, |
| 177 | din1, |
| 178 | sel0, |
| 179 | dout); |
| 180 | wire psel0_unused; |
| 181 | wire psel1; |
| 182 | |
| 183 | input [63:0] din0; |
| 184 | input [63:0] din1; |
| 185 | input sel0; |
| 186 | output [63:0] dout; |
| 187 | |
| 188 | |
| 189 | |
| 190 | |
| 191 | |
| 192 | cl_dp1_penc2_8x c0_0 ( |
| 193 | .sel0(sel0), |
| 194 | .psel0(psel0_unused), |
| 195 | .psel1(psel1) |
| 196 | ); |
| 197 | |
| 198 | mux2e #(64) d0_0 ( |
| 199 | .sel(psel1), |
| 200 | .in0(din0[63:0]), |
| 201 | .in1(din1[63:0]), |
| 202 | .dout(dout[63:0]) |
| 203 | ); |
| 204 | |
| 205 | |
| 206 | |
| 207 | |
| 208 | |
| 209 | |
| 210 | |
| 211 | |
| 212 | |
| 213 | |
| 214 | |
| 215 | |
| 216 | |
| 217 | endmodule |
| 218 | |
| 219 | |
| 220 | // |
| 221 | // parity macro (even parity) |
| 222 | // |
| 223 | // |
| 224 | |
| 225 | |
| 226 | |
| 227 | |
| 228 | |
| 229 | module lsu_dcp_dp_prty_macro__width_8 ( |
| 230 | din, |
| 231 | dout); |
| 232 | input [7:0] din; |
| 233 | output dout; |
| 234 | |
| 235 | |
| 236 | |
| 237 | |
| 238 | |
| 239 | |
| 240 | |
| 241 | prty #(8) m0_0 ( |
| 242 | .in(din[7:0]), |
| 243 | .out(dout) |
| 244 | ); |
| 245 | |
| 246 | |
| 247 | |
| 248 | |
| 249 | |
| 250 | |
| 251 | |
| 252 | |
| 253 | |
| 254 | |
| 255 | endmodule |
| 256 | |
| 257 | |
| 258 | |
| 259 | |
| 260 | |
| 261 | // |
| 262 | // xor macro for ports = 2,3 |
| 263 | // |
| 264 | // |
| 265 | |
| 266 | |
| 267 | |
| 268 | |
| 269 | |
| 270 | module lsu_dcp_dp_xor_macro__stack_16l__width_16 ( |
| 271 | din0, |
| 272 | din1, |
| 273 | dout); |
| 274 | input [15:0] din0; |
| 275 | input [15:0] din1; |
| 276 | output [15:0] dout; |
| 277 | |
| 278 | |
| 279 | |
| 280 | |
| 281 | |
| 282 | xor2 #(16) d0_0 ( |
| 283 | .in0(din0[15:0]), |
| 284 | .in1(din1[15:0]), |
| 285 | .out(dout[15:0]) |
| 286 | ); |
| 287 | |
| 288 | |
| 289 | |
| 290 | |
| 291 | |
| 292 | |
| 293 | |
| 294 | |
| 295 | endmodule |
| 296 | |
| 297 | |
| 298 | |
| 299 | |
| 300 | |
| 301 | // general mux macro for pass-gate and and-or muxes with/wout priority encoders |
| 302 | // also for pass-gate with decoder |
| 303 | |
| 304 | |
| 305 | |
| 306 | |
| 307 | |
| 308 | // any PARAMS parms go into naming of macro |
| 309 | |
| 310 | module lsu_dcp_dp_mux_macro__dmux_32x__mux_pgpe__ports_2__stack_16l__width_16 ( |
| 311 | din0, |
| 312 | din1, |
| 313 | sel0, |
| 314 | dout); |
| 315 | wire psel0_unused; |
| 316 | wire psel1; |
| 317 | |
| 318 | input [15:0] din0; |
| 319 | input [15:0] din1; |
| 320 | input sel0; |
| 321 | output [15:0] dout; |
| 322 | |
| 323 | |
| 324 | |
| 325 | |
| 326 | |
| 327 | cl_dp1_penc2_8x c0_0 ( |
| 328 | .sel0(sel0), |
| 329 | .psel0(psel0_unused), |
| 330 | .psel1(psel1) |
| 331 | ); |
| 332 | |
| 333 | mux2e #(16) d0_0 ( |
| 334 | .sel(psel1), |
| 335 | .in0(din0[15:0]), |
| 336 | .in1(din1[15:0]), |
| 337 | .dout(dout[15:0]) |
| 338 | ); |
| 339 | |
| 340 | |
| 341 | |
| 342 | |
| 343 | |
| 344 | |
| 345 | |
| 346 | |
| 347 | |
| 348 | |
| 349 | |
| 350 | |
| 351 | |
| 352 | endmodule |
| 353 | |