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[/] [pci/] [tags/] [rel_3/] [rtl/] [verilog/] [pci_bridge32.v] - Blame information for rev 63

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1 2 mihad
//////////////////////////////////////////////////////////////////////
2
////                                                              ////
3
////  File name "pci_bridge32.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       ////
13
////  file.                                                       ////
14
////                                                              ////
15
////                                                              ////
16
//////////////////////////////////////////////////////////////////////
17
////                                                              ////
18
//// Copyright (C) 2001 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: not supported by cvs2svn $
46 63 mihad
// Revision 1.4  2002/10/08 17:17:05  mihad
47
// Added BIST signals for RAMs.
48
//
49 62 mihad
// Revision 1.3  2002/02/01 15:25:12  mihad
50
// Repaired a few bugs, updated specification, added test bench files and design document
51
//
52 21 mihad
// Revision 1.2  2001/10/05 08:14:28  mihad
53
// Updated all files with inclusion of timescale file for simulation purposes.
54
//
55 6 mihad
// Revision 1.1.1.1  2001/10/02 15:33:46  mihad
56
// New project directory structure
57 2 mihad
//
58 6 mihad
//
59 2 mihad
 
60 21 mihad
`include "pci_constants.v"
61
 
62
// synopsys translate_off
63 6 mihad
`include "timescale.v"
64 21 mihad
// synopsys translate_on
65 2 mihad
 
66
// this is top level module of pci bridge core
67
// it instantiates and connects other lower level modules
68
// check polarity of PCI output enables in file out_reg.v and change it according to IO interface specification
69
 
70
module PCI_BRIDGE32
71
(
72
    // WISHBONE system signals
73
    CLK_I,
74
    RST_I,
75
    RST_O,
76
    INT_I,
77
    INT_O,
78
 
79
    // WISHBONE slave interface
80
    ADR_I,
81
    SDAT_I,
82
    SDAT_O,
83
    SEL_I,
84
    CYC_I,
85
    STB_I,
86
    WE_I,
87
    CAB_I,
88
    ACK_O,
89
    RTY_O,
90
    ERR_O,
91
 
92
    // WISHBONE master interface
93
    ADR_O,
94
    MDAT_I,
95
    MDAT_O,
96
    SEL_O,
97
    CYC_O,
98
    STB_O,
99
    WE_O,
100
    CAB_O,
101
    ACK_I,
102
    RTY_I,
103
    ERR_I,
104
 
105
    // pci interface - system pins
106
    PCI_CLK_IN,
107
    PCI_RSTn_IN,
108
    PCI_RSTn_OUT,
109
    PCI_INTAn_IN,
110
    PCI_INTAn_OUT,
111
    PCI_RSTn_EN_OUT,
112
    PCI_INTAn_EN_OUT,
113
 
114
    // arbitration pins
115
    PCI_REQn_OUT,
116
    PCI_REQn_EN_OUT,
117
 
118
    PCI_GNTn_IN,
119
 
120
    // protocol pins
121
    PCI_FRAMEn_IN,
122
    PCI_FRAMEn_OUT,
123
    PCI_FRAMEn_EN_OUT,
124
    PCI_IRDYn_EN_OUT,
125
    PCI_DEVSELn_EN_OUT,
126
    PCI_TRDYn_EN_OUT,
127
    PCI_STOPn_EN_OUT,
128
    PCI_AD_EN_OUT,
129
    PCI_CBEn_EN_OUT,
130
 
131
    PCI_IRDYn_IN,
132
    PCI_IRDYn_OUT,
133
 
134
    PCI_IDSEL_IN,
135
 
136
    PCI_DEVSELn_IN,
137
    PCI_DEVSELn_OUT,
138
 
139
 
140
    PCI_TRDYn_IN,
141
    PCI_TRDYn_OUT,
142 21 mihad
 
143 2 mihad
    PCI_STOPn_IN,
144
    PCI_STOPn_OUT,
145 21 mihad
 
146
    // data transfer pins
147 2 mihad
    PCI_AD_IN,
148
    PCI_AD_OUT,
149 21 mihad
 
150 2 mihad
    PCI_CBEn_IN,
151
    PCI_CBEn_OUT,
152
 
153
    // parity generation and checking pins
154
    PCI_PAR_IN,
155
    PCI_PAR_OUT,
156
    PCI_PAR_EN_OUT,
157
 
158
    PCI_PERRn_IN,
159
    PCI_PERRn_OUT,
160
    PCI_PERRn_EN_OUT,
161
 
162
    // system error pin
163
    PCI_SERRn_OUT,
164 21 mihad
    PCI_SERRn_EN_OUT
165 62 mihad
 
166
`ifdef PCI_BIST
167
    ,
168
    // debug chain signals
169 63 mihad
    trst       ,
170 62 mihad
    SO         ,
171
    SI         ,
172
    shift_DR   ,
173
    capture_DR ,
174
    extest     ,
175
    tck
176
`endif
177 2 mihad
);
178
 
179
// WISHBONE system signals
180
input   CLK_I ;
181
input   RST_I ;
182
output  RST_O ;
183
input   INT_I ;
184
output  INT_O ;
185
 
186
// WISHBONE slave interface
187
input   [31:0]  ADR_I ;
188
input   [31:0]  SDAT_I ;
189
output  [31:0]  SDAT_O ;
190
input   [3:0]   SEL_I ;
191
input           CYC_I ;
192
input           STB_I ;
193
input           WE_I  ;
194
input           CAB_I ;
195
output          ACK_O ;
196
output          RTY_O ;
197
output          ERR_O ;
198
 
199
// WISHBONE master interface
200
output  [31:0]  ADR_O ;
201
input   [31:0]  MDAT_I ;
202
output  [31:0]  MDAT_O ;
203
output  [3:0]   SEL_O ;
204
output          CYC_O ;
205
output          STB_O ;
206
output          WE_O  ;
207
output          CAB_O ;
208
input           ACK_I ;
209
input           RTY_I ;
210
input           ERR_I ;
211
 
212
// pci interface - system pins
213
input   PCI_CLK_IN ;
214
input   PCI_RSTn_IN ;
215
output  PCI_RSTn_OUT ;
216
output  PCI_RSTn_EN_OUT ;
217
 
218
input   PCI_INTAn_IN ;
219
output  PCI_INTAn_OUT ;
220
output  PCI_INTAn_EN_OUT ;
221
 
222
// arbitration pins
223
output  PCI_REQn_OUT ;
224
output  PCI_REQn_EN_OUT ;
225
 
226
input   PCI_GNTn_IN ;
227
 
228
// protocol pins
229
input   PCI_FRAMEn_IN ;
230
output  PCI_FRAMEn_OUT ;
231
output  PCI_FRAMEn_EN_OUT ;
232
output  PCI_IRDYn_EN_OUT ;
233
output  PCI_DEVSELn_EN_OUT ;
234
output  PCI_TRDYn_EN_OUT ;
235
output  PCI_STOPn_EN_OUT ;
236
output  [31:0]  PCI_AD_EN_OUT ;
237
output  [3:0]   PCI_CBEn_EN_OUT ;
238
 
239
input   PCI_IRDYn_IN ;
240
output  PCI_IRDYn_OUT ;
241
 
242
input   PCI_IDSEL_IN ;
243
 
244
input   PCI_DEVSELn_IN ;
245
output  PCI_DEVSELn_OUT ;
246
 
247
input   PCI_TRDYn_IN ;
248
output  PCI_TRDYn_OUT ;
249
 
250
input   PCI_STOPn_IN ;
251
output  PCI_STOPn_OUT ;
252
 
253 21 mihad
// data transfer pins
254 2 mihad
input   [31:0]  PCI_AD_IN ;
255
output  [31:0]  PCI_AD_OUT ;
256
 
257
input   [3:0]   PCI_CBEn_IN ;
258
output  [3:0]   PCI_CBEn_OUT ;
259
 
260
// parity generation and checking pins
261
input   PCI_PAR_IN ;
262
output  PCI_PAR_OUT ;
263
output  PCI_PAR_EN_OUT ;
264
 
265
input   PCI_PERRn_IN ;
266
output  PCI_PERRn_OUT ;
267
output  PCI_PERRn_EN_OUT ;
268
 
269
// system error pin
270
output  PCI_SERRn_OUT ;
271
output  PCI_SERRn_EN_OUT ;
272
 
273 62 mihad
`ifdef PCI_BIST
274
/*-----------------------------------------------------
275
BIST debug chain port signals
276
-----------------------------------------------------*/
277 63 mihad
input   trst ;
278 62 mihad
output  SO ;
279
input   SI ;
280
input   shift_DR ;
281
input   capture_DR ;
282
input   extest ;
283
input   tck ;
284
 
285
// internal wires for serial chain connection
286
wire SO_internal ;
287
wire SI_internal = SO_internal ;
288
`endif
289
 
290 2 mihad
// declare clock and reset wires
291
wire pci_clk = PCI_CLK_IN ;
292
wire wb_clk  = CLK_I ;
293 21 mihad
wire reset ; // assigned at pci bridge reset and interrupt logic
294 2 mihad
 
295 21 mihad
/*=========================================================================================================
296
First comes definition of all modules' outputs, so they can be assigned to any other module's input later
297
  in the file, when module is instantiated
298
=========================================================================================================*/
299
// PCI BRIDGE RESET AND INTERRUPT LOGIC OUTPUTS
300
wire    pci_reso_reset ;
301
wire    pci_reso_pci_rstn_out ;
302
wire    pci_reso_pci_rstn_en_out ;
303
wire    pci_reso_rst_o ;
304
wire    pci_into_pci_intan_out ;
305
wire    pci_into_pci_intan_en_out ;
306
wire    pci_into_int_o ;
307
wire    pci_into_conf_isr_int_prop_out ;
308 2 mihad
 
309 21 mihad
// assign pci bridge reset interrupt logic outputs to top outputs where possible
310
assign reset            = pci_reso_reset ;
311
assign PCI_RSTn_OUT     = pci_reso_pci_rstn_out ;
312
assign PCI_RSTn_EN_OUT  = pci_reso_pci_rstn_en_out ;
313
assign RST_O            = pci_reso_rst_o ;
314
assign PCI_INTAn_OUT    = pci_into_pci_intan_out ;
315
assign PCI_INTAn_EN_OUT = pci_into_pci_intan_en_out ;
316
assign INT_O            = pci_into_int_o ;
317 2 mihad
 
318
// WISHBONE SLAVE UNIT OUTPUTS
319
wire    [31:0]  wbu_sdata_out ;
320
wire            wbu_ack_out ;
321
wire            wbu_rty_out ;
322
wire            wbu_err_out ;
323
wire            wbu_pciif_req_out ;
324
wire            wbu_pciif_frame_out ;
325
wire            wbu_pciif_frame_en_out ;
326
wire            wbu_pciif_irdy_out ;
327
wire            wbu_pciif_irdy_en_out ;
328
wire    [31:0]  wbu_pciif_ad_out ;
329
wire            wbu_pciif_ad_en_out ;
330
wire    [3:0]   wbu_pciif_cbe_out ;
331
wire            wbu_pciif_cbe_en_out ;
332
wire    [31:0]  wbu_err_addr_out ;
333
wire    [3:0]   wbu_err_bc_out ;
334
wire            wbu_err_signal_out ;
335
wire            wbu_err_source_out ;
336
wire            wbu_err_rty_exp_out ;
337
wire            wbu_tabort_rec_out ;
338
wire            wbu_mabort_rec_out ;
339
wire    [11:0]  wbu_conf_offset_out ;
340
wire            wbu_conf_renable_out ;
341
wire            wbu_conf_wenable_out ;
342
wire    [3:0]   wbu_conf_be_out ;
343
wire    [31:0]  wbu_conf_data_out ;
344
wire            wbu_del_read_comp_pending_out ;
345
wire            wbu_wbw_fifo_empty_out ;
346 21 mihad
wire            wbu_ad_load_out ;
347
wire            wbu_ad_load_on_transfer_out ;
348 2 mihad
wire            wbu_pciif_frame_load_out ;
349
 
350
// assign wishbone slave unit's outputs to top outputs where possible
351
assign SDAT_O   =   wbu_sdata_out ;
352
assign ACK_O    =   wbu_ack_out ;
353
assign RTY_O    =   wbu_rty_out ;
354
assign ERR_O    =   wbu_err_out ;
355
 
356
// PCI TARGET UNIT OUTPUTS
357 21 mihad
wire    [31:0]  pciu_adr_out ;
358 2 mihad
wire    [31:0]  pciu_mdata_out ;
359
wire            pciu_cyc_out ;
360
wire            pciu_stb_out ;
361
wire            pciu_we_out ;
362
wire    [3:0]   pciu_sel_out ;
363
wire            pciu_cab_out ;
364 21 mihad
wire            pciu_pciif_trdy_out ;
365
wire            pciu_pciif_stop_out ;
366
wire            pciu_pciif_devsel_out ;
367 2 mihad
wire            pciu_pciif_trdy_en_out ;
368
wire            pciu_pciif_stop_en_out ;
369
wire            pciu_pciif_devsel_en_out ;
370 21 mihad
wire            pciu_ad_load_out ;
371
wire            pciu_ad_load_on_transfer_out ;
372
wire   [31:0]   pciu_pciif_ad_out ;
373
wire            pciu_pciif_ad_en_out ;
374
wire            pciu_pciif_tabort_set_out ;
375 2 mihad
wire    [31:0]  pciu_err_addr_out ;
376
wire    [3:0]   pciu_err_bc_out ;
377
wire    [31:0]  pciu_err_data_out ;
378
wire    [3:0]   pciu_err_be_out ;
379
wire            pciu_err_signal_out ;
380
wire            pciu_err_source_out ;
381
wire            pciu_err_rty_exp_out ;
382 21 mihad
wire            pciu_conf_select_out ;
383 2 mihad
wire    [11:0]  pciu_conf_offset_out ;
384
wire            pciu_conf_renable_out ;
385
wire            pciu_conf_wenable_out ;
386
wire    [3:0]   pciu_conf_be_out ;
387
wire    [31:0]  pciu_conf_data_out ;
388 21 mihad
wire            pciu_pci_drcomp_pending_out ;
389
wire            pciu_pciw_fifo_empty_out ;
390 2 mihad
 
391
// assign pci target unit's outputs to top outputs where possible
392
assign ADR_O    =   pciu_adr_out ;
393
assign MDAT_O   =   pciu_mdata_out ;
394
assign CYC_O    =   pciu_cyc_out ;
395
assign STB_O    =   pciu_stb_out ;
396
assign WE_O     =   pciu_we_out ;
397
assign SEL_O    =   pciu_sel_out ;
398
assign CAB_O    =   pciu_cab_out ;
399
 
400
// CONFIGURATION SPACE OUTPUTS
401
wire    [31:0]  conf_w_data_out ;
402
wire    [31:0]  conf_r_data_out ;
403
wire            conf_serr_enable_out ;
404
wire            conf_perr_response_out ;
405
wire            conf_pci_master_enable_out ;
406
wire            conf_mem_space_enable_out ;
407
wire            conf_io_space_enable_out ;
408 21 mihad
wire    [7:0]   conf_cache_line_size_to_pci_out ;
409
wire    [7:0]   conf_cache_line_size_to_wb_out ;
410
wire            conf_cache_lsize_not_zero_to_wb_out ;
411 2 mihad
wire    [7:0]   conf_latency_tim_out ;
412
 
413 21 mihad
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_ba0_out ;
414
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_ba1_out ;
415
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_ba2_out ;
416
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_ba3_out ;
417
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_ba4_out ;
418
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_ba5_out ;
419
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_ta0_out ;
420
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_ta1_out ;
421
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_ta2_out ;
422
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_ta3_out ;
423
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_ta4_out ;
424
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_ta5_out ;
425
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_am0_out ;
426
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_am1_out ;
427
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_am2_out ;
428
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_am3_out ;
429
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_am4_out ;
430
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_am5_out ;
431
 
432 2 mihad
wire            conf_pci_mem_io0_out ;
433
wire            conf_pci_mem_io1_out ;
434
wire            conf_pci_mem_io2_out ;
435
wire            conf_pci_mem_io3_out ;
436
wire            conf_pci_mem_io4_out ;
437
wire            conf_pci_mem_io5_out ;
438
 
439
wire    [1:0]   conf_pci_img_ctrl0_out ;
440
wire    [1:0]   conf_pci_img_ctrl1_out ;
441
wire    [1:0]   conf_pci_img_ctrl2_out ;
442
wire    [1:0]   conf_pci_img_ctrl3_out ;
443
wire    [1:0]   conf_pci_img_ctrl4_out ;
444
wire    [1:0]   conf_pci_img_ctrl5_out ;
445
 
446 21 mihad
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_ba0_out ;
447
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_ba1_out ;
448
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_ba2_out ;
449
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_ba3_out ;
450
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_ba4_out ;
451
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_ba5_out ;
452 2 mihad
 
453
wire            conf_wb_mem_io0_out ;
454
wire            conf_wb_mem_io1_out ;
455
wire            conf_wb_mem_io2_out ;
456
wire            conf_wb_mem_io3_out ;
457
wire            conf_wb_mem_io4_out ;
458
wire            conf_wb_mem_io5_out ;
459
 
460 21 mihad
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_am0_out ;
461
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_am1_out ;
462
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_am2_out ;
463
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_am3_out ;
464
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_am4_out ;
465
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_am5_out ;
466
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_ta0_out ;
467
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_ta1_out ;
468
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_ta2_out ;
469
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_ta3_out ;
470
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_ta4_out ;
471
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_ta5_out ;
472 2 mihad
wire    [2:0]   conf_wb_img_ctrl0_out ;
473
wire    [2:0]   conf_wb_img_ctrl1_out ;
474
wire    [2:0]   conf_wb_img_ctrl2_out ;
475
wire    [2:0]   conf_wb_img_ctrl3_out ;
476
wire    [2:0]   conf_wb_img_ctrl4_out ;
477
wire    [2:0]   conf_wb_img_ctrl5_out ;
478
wire    [23:0]  conf_ccyc_addr_out ;
479
wire            conf_soft_res_out ;
480 21 mihad
wire            conf_int_out ;
481 2 mihad
 
482
// PCI IO MUX OUTPUTS
483
wire        pci_mux_frame_out ;
484
wire        pci_mux_irdy_out ;
485
wire        pci_mux_devsel_out ;
486
wire        pci_mux_trdy_out ;
487
wire        pci_mux_stop_out ;
488
wire [3:0]  pci_mux_cbe_out ;
489
wire [31:0] pci_mux_ad_out ;
490 21 mihad
wire        pci_mux_ad_load_out ;
491 2 mihad
 
492
wire [31:0] pci_mux_ad_en_out ;
493 21 mihad
wire        pci_mux_ad_en_unregistered_out ;
494 2 mihad
wire        pci_mux_frame_en_out ;
495
wire        pci_mux_irdy_en_out ;
496
wire        pci_mux_devsel_en_out ;
497
wire        pci_mux_trdy_en_out ;
498
wire        pci_mux_stop_en_out ;
499
wire [3:0]  pci_mux_cbe_en_out ;
500
 
501
wire        pci_mux_par_out ;
502
wire        pci_mux_par_en_out ;
503
wire        pci_mux_perr_out ;
504
wire        pci_mux_perr_en_out ;
505
wire        pci_mux_serr_out ;
506
wire        pci_mux_serr_en_out ;
507
 
508
wire        pci_mux_req_out ;
509
wire        pci_mux_req_en_out ;
510
 
511
// assign outputs to top level outputs
512
 
513
assign PCI_AD_EN_OUT       = pci_mux_ad_en_out ;
514
assign PCI_FRAMEn_EN_OUT   = pci_mux_frame_en_out ;
515
assign PCI_IRDYn_EN_OUT    = pci_mux_irdy_en_out ;
516 21 mihad
assign PCI_CBEn_EN_OUT     = pci_mux_cbe_en_out ;
517 2 mihad
 
518
assign PCI_PAR_OUT         =   pci_mux_par_out ;
519
assign PCI_PAR_EN_OUT      =   pci_mux_par_en_out ;
520
assign PCI_PERRn_OUT       =   pci_mux_perr_out ;
521
assign PCI_PERRn_EN_OUT    =   pci_mux_perr_en_out ;
522 21 mihad
assign PCI_SERRn_OUT       =   pci_mux_serr_out ;
523
assign PCI_SERRn_EN_OUT    =   pci_mux_serr_en_out ;
524 2 mihad
 
525
assign PCI_REQn_OUT        =   pci_mux_req_out ;
526 21 mihad
assign PCI_REQn_EN_OUT     =   pci_mux_req_en_out ;
527 2 mihad
 
528
assign PCI_TRDYn_EN_OUT    = pci_mux_trdy_en_out ;
529
assign PCI_DEVSELn_EN_OUT  = pci_mux_devsel_en_out ;
530
assign PCI_STOPn_EN_OUT    = pci_mux_stop_en_out ;
531
assign PCI_TRDYn_OUT       =  pci_mux_trdy_out ;
532
assign PCI_DEVSELn_OUT     = pci_mux_devsel_out ;
533
assign PCI_STOPn_OUT       = pci_mux_stop_out ;
534
 
535
assign PCI_AD_OUT          = pci_mux_ad_out ;
536
assign PCI_FRAMEn_OUT      = pci_mux_frame_out ;
537
assign PCI_IRDYn_OUT       = pci_mux_irdy_out ;
538
assign PCI_CBEn_OUT        = pci_mux_cbe_out ;
539
 
540
// duplicate output register's outputs
541
wire            out_bckp_frame_out ;
542
wire            out_bckp_irdy_out ;
543
wire            out_bckp_devsel_out ;
544
wire            out_bckp_trdy_out ;
545
wire            out_bckp_stop_out ;
546
wire    [3:0]   out_bckp_cbe_out ;
547
wire            out_bckp_cbe_en_out ;
548
wire    [31:0]  out_bckp_ad_out ;
549
wire            out_bckp_ad_en_out ;
550 21 mihad
wire            out_bckp_irdy_en_out ;
551 2 mihad
wire            out_bckp_frame_en_out ;
552
wire            out_bckp_tar_ad_en_out ;
553
wire            out_bckp_mas_ad_en_out ;
554
wire            out_bckp_trdy_en_out ;
555
 
556
wire            out_bckp_par_out ;
557
wire            out_bckp_par_en_out ;
558
wire            out_bckp_perr_out ;
559
wire            out_bckp_perr_en_out ;
560
wire            out_bckp_serr_out ;
561
wire            out_bckp_serr_en_out ;
562
 
563
 
564
// PARITY CHECKER OUTPUTS
565
wire    parchk_pci_par_out ;
566
wire    parchk_pci_par_en_out ;
567 21 mihad
wire    parchk_pci_perr_out ;
568 2 mihad
wire    parchk_pci_perr_en_out ;
569 21 mihad
wire    parchk_pci_serr_out ;
570 2 mihad
wire    parchk_pci_serr_en_out ;
571
wire    parchk_par_err_detect_out ;
572
wire    parchk_perr_mas_detect_out ;
573
wire    parchk_sig_serr_out ;
574
 
575
// input register outputs
576
wire            in_reg_gnt_out ;
577
wire            in_reg_frame_out ;
578
wire            in_reg_irdy_out ;
579
wire            in_reg_trdy_out ;
580
wire            in_reg_stop_out ;
581
wire            in_reg_devsel_out ;
582 21 mihad
wire            in_reg_idsel_out ;
583 2 mihad
wire    [31:0]  in_reg_ad_out ;
584
wire    [3:0]   in_reg_cbe_out ;
585
 
586 21 mihad
/*=========================================================================================================
587
Now comes definition of all modules' and their appropriate inputs
588
=========================================================================================================*/
589
// PCI BRIDGE RESET AND INTERRUPT LOGIC INPUTS
590
wire    pci_resi_rst_i                  = RST_I ;
591
wire    pci_resi_pci_rstn_in            = PCI_RSTn_IN ;
592
wire    pci_resi_conf_soft_res_in       = conf_soft_res_out ;
593
wire    pci_inti_pci_intan_in           = PCI_INTAn_IN ;
594
wire    pci_inti_conf_int_in            = conf_int_out ;
595
wire    pci_inti_int_i                  = INT_I ;
596
wire    pci_inti_out_bckp_perr_en_in    = out_bckp_perr_en_out ;
597
wire    pci_inti_out_bckp_serr_en_in    = out_bckp_serr_en_out ;
598 2 mihad
 
599 21 mihad
PCI_RST_INT     pci_resets_and_interrupts
600
(
601
    .clk_in                 (pci_clk),
602
    .rst_i                  (pci_resi_rst_i),
603
    .pci_rstn_in            (pci_resi_pci_rstn_in),
604
    .conf_soft_res_in       (pci_resi_conf_soft_res_in),
605
    .reset                  (pci_reso_reset),
606
    .pci_rstn_out           (pci_reso_pci_rstn_out),
607
    .pci_rstn_en_out        (pci_reso_pci_rstn_en_out),
608
    .rst_o                  (pci_reso_rst_o),
609
    .pci_intan_in           (pci_inti_pci_intan_in),
610
    .conf_int_in            (pci_inti_conf_int_in),
611
    .int_i                  (pci_inti_int_i),
612
    .out_bckp_perr_en_in    (pci_inti_out_bckp_perr_en_in),
613
    .out_bckp_serr_en_in    (pci_inti_out_bckp_serr_en_in),
614
    .pci_intan_out          (pci_into_pci_intan_out),
615
    .pci_intan_en_out       (pci_into_pci_intan_en_out),
616
    .int_o                  (pci_into_int_o),
617
    .conf_isr_int_prop_out  (pci_into_conf_isr_int_prop_out)
618
);
619 2 mihad
 
620
// WISHBONE SLAVE UNIT INPUTS
621
wire    [31:0]  wbu_addr_in                     =   ADR_I ;
622
wire    [31:0]  wbu_sdata_in                    =   SDAT_I ;
623
wire            wbu_cyc_in                      =   CYC_I ;
624
wire            wbu_stb_in                      =   STB_I ;
625
wire            wbu_we_in                       =   WE_I ;
626
wire    [3:0]   wbu_sel_in                      =   SEL_I ;
627
wire            wbu_cab_in                      =   CAB_I ;
628
 
629
wire    [5:0]   wbu_map_in                      =   {
630
                                                     conf_wb_mem_io5_out,
631
                                                     conf_wb_mem_io4_out,
632
                                                     conf_wb_mem_io3_out,
633
                                                     conf_wb_mem_io2_out,
634
                                                     conf_wb_mem_io1_out,
635
                                                     conf_wb_mem_io0_out
636
                                                    } ;
637
 
638
wire    [5:0]   wbu_pref_en_in                  =   {
639
                                                     conf_wb_img_ctrl5_out[1],
640
                                                     conf_wb_img_ctrl4_out[1],
641
                                                     conf_wb_img_ctrl3_out[1],
642
                                                     conf_wb_img_ctrl2_out[1],
643
                                                     conf_wb_img_ctrl1_out[1],
644
                                                     conf_wb_img_ctrl0_out[1]
645
                                                    };
646
wire    [5:0]   wbu_mrl_en_in                   =   {
647
                                                     conf_wb_img_ctrl5_out[0],
648
                                                     conf_wb_img_ctrl4_out[0],
649
                                                     conf_wb_img_ctrl3_out[0],
650
                                                     conf_wb_img_ctrl2_out[0],
651
                                                     conf_wb_img_ctrl1_out[0],
652
                                                     conf_wb_img_ctrl0_out[0]
653
                                                    };
654
 
655
wire    [5:0]   wbu_at_en_in                    =   {
656
                                                     conf_wb_img_ctrl5_out[2],
657
                                                     conf_wb_img_ctrl4_out[2],
658
                                                     conf_wb_img_ctrl3_out[2],
659
                                                     conf_wb_img_ctrl2_out[2],
660
                                                     conf_wb_img_ctrl1_out[2],
661
                                                     conf_wb_img_ctrl0_out[2]
662
                                                    } ;
663
 
664
wire            wbu_pci_drcomp_pending_in       =   pciu_pci_drcomp_pending_out ;
665
wire            wbu_pciw_empty_in               =   pciu_pciw_fifo_empty_out ;
666
 
667
`ifdef HOST
668
    wire    [31:0]  wbu_conf_data_in            =   conf_w_data_out ;
669
`else
670
`ifdef GUEST
671
    wire    [31:0]  wbu_conf_data_in            =   conf_r_data_out ;
672
`endif
673
`endif
674
 
675 21 mihad
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_bar0_in  =   conf_wb_ba0_out ;
676
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_bar1_in  =   conf_wb_ba1_out ;
677
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_bar2_in  =   conf_wb_ba2_out ;
678
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_bar3_in  =   conf_wb_ba3_out ;
679
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_bar4_in  =   conf_wb_ba4_out ;
680
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_bar5_in  =   conf_wb_ba5_out ;
681
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_am0_in   =   conf_wb_am0_out ;
682
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_am1_in   =   conf_wb_am1_out ;
683
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_am2_in   =   conf_wb_am2_out ;
684
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_am3_in   =   conf_wb_am3_out ;
685
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_am4_in   =   conf_wb_am4_out ;
686
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_am5_in   =   conf_wb_am5_out ;
687
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_ta0_in   =   conf_wb_ta0_out ;
688
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_ta1_in   =   conf_wb_ta1_out ;
689
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_ta2_in   =   conf_wb_ta2_out ;
690
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_ta3_in   =   conf_wb_ta3_out ;
691
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_ta4_in   =   conf_wb_ta4_out ;
692
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_ta5_in   =   conf_wb_ta5_out ;
693 2 mihad
 
694
wire    [23:0]  wbu_ccyc_addr_in                        =   conf_ccyc_addr_out ;
695
wire            wbu_master_enable_in                    =   conf_pci_master_enable_out ;
696 21 mihad
wire            wbu_cache_line_size_not_zero            =   conf_cache_lsize_not_zero_to_wb_out ;
697
wire    [7:0]   wbu_cache_line_size_in                  =   conf_cache_line_size_to_pci_out ;
698 2 mihad
 
699
wire            wbu_pciif_gnt_in                        = PCI_GNTn_IN ;
700
wire            wbu_pciif_frame_in                      = in_reg_frame_out ;
701
wire            wbu_pciif_irdy_in                       = in_reg_irdy_out ;
702
wire            wbu_pciif_trdy_in                       = PCI_TRDYn_IN ;
703
wire            wbu_pciif_stop_in                       = PCI_STOPn_IN ;
704
wire            wbu_pciif_devsel_in                     = PCI_DEVSELn_IN ;
705
wire    [31:0]  wbu_pciif_ad_reg_in                     = in_reg_ad_out ;
706
wire            wbu_pciif_trdy_reg_in                   = in_reg_trdy_out ;
707
wire            wbu_pciif_stop_reg_in                   = in_reg_stop_out ;
708
wire            wbu_pciif_devsel_reg_in                 = in_reg_devsel_out ;
709
 
710
 
711
wire    [7:0]   wbu_latency_tim_val_in                  = conf_latency_tim_out ;
712
 
713
wire            wbu_pciif_frame_en_in                   = out_bckp_frame_en_out ;
714
wire            wbu_pciif_frame_out_in                  = out_bckp_frame_out ;
715
 
716
WB_SLAVE_UNIT wishbone_slave_unit
717
(
718
    .reset_in                      (reset),
719
    .wb_clock_in                   (wb_clk),
720
    .pci_clock_in                  (pci_clk),
721
    .ADDR_I                        (wbu_addr_in),
722
    .SDATA_I                       (wbu_sdata_in),
723
    .SDATA_O                       (wbu_sdata_out),
724
    .CYC_I                         (wbu_cyc_in),
725
    .STB_I                         (wbu_stb_in),
726
    .WE_I                          (wbu_we_in),
727
    .SEL_I                         (wbu_sel_in),
728
    .ACK_O                         (wbu_ack_out),
729
    .RTY_O                         (wbu_rty_out),
730
    .ERR_O                         (wbu_err_out),
731
    .CAB_I                         (wbu_cab_in),
732
    .wbu_map_in                    (wbu_map_in),
733
    .wbu_pref_en_in                (wbu_pref_en_in),
734
    .wbu_mrl_en_in                 (wbu_mrl_en_in),
735
    .wbu_pci_drcomp_pending_in     (wbu_pci_drcomp_pending_in),
736
    .wbu_conf_data_in              (wbu_conf_data_in),
737
    .wbu_pciw_empty_in             (wbu_pciw_empty_in),
738
    .wbu_bar0_in                   (wbu_bar0_in),
739
    .wbu_bar1_in                   (wbu_bar1_in),
740
    .wbu_bar2_in                   (wbu_bar2_in),
741
    .wbu_bar3_in                   (wbu_bar3_in),
742
    .wbu_bar4_in                   (wbu_bar4_in),
743
    .wbu_bar5_in                   (wbu_bar5_in),
744
    .wbu_am0_in                    (wbu_am0_in),
745
    .wbu_am1_in                    (wbu_am1_in),
746
    .wbu_am2_in                    (wbu_am2_in),
747
    .wbu_am3_in                    (wbu_am3_in),
748
    .wbu_am4_in                    (wbu_am4_in),
749
    .wbu_am5_in                    (wbu_am5_in),
750
    .wbu_ta0_in                    (wbu_ta0_in),
751
    .wbu_ta1_in                    (wbu_ta1_in),
752
    .wbu_ta2_in                    (wbu_ta2_in),
753
    .wbu_ta3_in                    (wbu_ta3_in),
754
    .wbu_ta4_in                    (wbu_ta4_in),
755
    .wbu_ta5_in                    (wbu_ta5_in),
756
    .wbu_at_en_in                  (wbu_at_en_in),
757
    .wbu_ccyc_addr_in              (wbu_ccyc_addr_in),
758
    .wbu_master_enable_in          (wbu_master_enable_in),
759 21 mihad
    .wbu_cache_line_size_not_zero  (wbu_cache_line_size_not_zero),
760 2 mihad
    .wbu_cache_line_size_in        (wbu_cache_line_size_in),
761
    .wbu_pciif_gnt_in              (wbu_pciif_gnt_in),
762
    .wbu_pciif_frame_in            (wbu_pciif_frame_in),
763
    .wbu_pciif_frame_en_in         (wbu_pciif_frame_en_in),
764
    .wbu_pciif_frame_out_in        (wbu_pciif_frame_out_in),
765
    .wbu_pciif_irdy_in             (wbu_pciif_irdy_in),
766
    .wbu_pciif_trdy_in             (wbu_pciif_trdy_in),
767
    .wbu_pciif_stop_in             (wbu_pciif_stop_in),
768
    .wbu_pciif_devsel_in           (wbu_pciif_devsel_in),
769
    .wbu_pciif_ad_reg_in           (wbu_pciif_ad_reg_in),
770
    .wbu_pciif_req_out             (wbu_pciif_req_out),
771
    .wbu_pciif_frame_out           (wbu_pciif_frame_out),
772
    .wbu_pciif_frame_en_out        (wbu_pciif_frame_en_out),
773
    .wbu_pciif_frame_load_out      (wbu_pciif_frame_load_out),
774
    .wbu_pciif_irdy_out            (wbu_pciif_irdy_out),
775
    .wbu_pciif_irdy_en_out         (wbu_pciif_irdy_en_out),
776
    .wbu_pciif_ad_out              (wbu_pciif_ad_out),
777
    .wbu_pciif_ad_en_out           (wbu_pciif_ad_en_out),
778
    .wbu_pciif_cbe_out             (wbu_pciif_cbe_out),
779
    .wbu_pciif_cbe_en_out          (wbu_pciif_cbe_en_out),
780
    .wbu_err_addr_out              (wbu_err_addr_out),
781
    .wbu_err_bc_out                (wbu_err_bc_out),
782
    .wbu_err_signal_out            (wbu_err_signal_out),
783
    .wbu_err_source_out            (wbu_err_source_out),
784
    .wbu_err_rty_exp_out           (wbu_err_rty_exp_out),
785
    .wbu_tabort_rec_out            (wbu_tabort_rec_out),
786
    .wbu_mabort_rec_out            (wbu_mabort_rec_out),
787
    .wbu_conf_offset_out           (wbu_conf_offset_out),
788
    .wbu_conf_renable_out          (wbu_conf_renable_out),
789
    .wbu_conf_wenable_out          (wbu_conf_wenable_out),
790
    .wbu_conf_be_out               (wbu_conf_be_out),
791
    .wbu_conf_data_out             (wbu_conf_data_out),
792
    .wbu_del_read_comp_pending_out (wbu_del_read_comp_pending_out),
793
    .wbu_wbw_fifo_empty_out        (wbu_wbw_fifo_empty_out),
794
    .wbu_latency_tim_val_in        (wbu_latency_tim_val_in),
795 21 mihad
    .wbu_ad_load_out               (wbu_ad_load_out),
796
    .wbu_ad_load_on_transfer_out   (wbu_ad_load_on_transfer_out),
797 2 mihad
    .wbu_pciif_trdy_reg_in         (wbu_pciif_trdy_reg_in),
798
    .wbu_pciif_stop_reg_in         (wbu_pciif_stop_reg_in),
799
    .wbu_pciif_devsel_reg_in       (wbu_pciif_devsel_reg_in)
800 62 mihad
 
801
`ifdef PCI_BIST
802
    ,
803 63 mihad
    .trst       (trst),
804 62 mihad
    .SO         (SO_internal),
805
    .SI         (SI),
806
    .shift_DR   (shift_DR),
807
    .capture_DR (capture_DR),
808
    .extest     (extest),
809
    .tck        (tck)
810
`endif
811 2 mihad
);
812
 
813
// PCI TARGET UNIT INPUTS
814 21 mihad
wire    [31:0]  pciu_mdata_in                   =   MDAT_I ;
815
wire            pciu_ack_in                     =   ACK_I ;
816
wire            pciu_rty_in                     =   RTY_I ;
817
wire            pciu_err_in                     =   ERR_I ;
818 2 mihad
 
819
wire    [5:0]   pciu_map_in                     =   {
820
                                                     conf_pci_mem_io5_out,
821
                                                     conf_pci_mem_io4_out,
822
                                                     conf_pci_mem_io3_out,
823
                                                     conf_pci_mem_io2_out,
824
                                                     conf_pci_mem_io1_out,
825
                                                     conf_pci_mem_io0_out
826
                                                    } ;
827
 
828
wire    [5:0]   pciu_pref_en_in                 =   {
829
                                                     conf_pci_img_ctrl5_out[0],
830
                                                     conf_pci_img_ctrl4_out[0],
831
                                                     conf_pci_img_ctrl3_out[0],
832
                                                     conf_pci_img_ctrl2_out[0],
833
                                                     conf_pci_img_ctrl1_out[0],
834
                                                     conf_pci_img_ctrl0_out[0]
835
                                                    };
836
 
837
wire    [5:0]   pciu_at_en_in                   =   {
838
                                                     conf_pci_img_ctrl5_out[1],
839
                                                     conf_pci_img_ctrl4_out[1],
840
                                                     conf_pci_img_ctrl3_out[1],
841
                                                     conf_pci_img_ctrl2_out[1],
842
                                                     conf_pci_img_ctrl1_out[1],
843
                                                     conf_pci_img_ctrl0_out[1]
844
                                                    } ;
845
 
846 21 mihad
wire            pciu_mem_enable_in              =   conf_mem_space_enable_out ;
847
wire            pciu_io_enable_in               =   conf_io_space_enable_out ;
848 2 mihad
 
849
wire            pciu_wbw_fifo_empty_in          =   wbu_wbw_fifo_empty_out ;
850 21 mihad
wire                    pciu_wbu_del_read_comp_pending_in       =       wbu_del_read_comp_pending_out ;
851
wire            pciu_wbu_frame_en_in            =   out_bckp_frame_en_out ;
852 2 mihad
 
853
`ifdef HOST
854
    wire    [31:0]  pciu_conf_data_in           =   conf_r_data_out ;
855
`else
856
`ifdef GUEST
857
    wire    [31:0]  pciu_conf_data_in           =   conf_w_data_out ;
858
`endif
859
`endif
860
 
861 21 mihad
wire   [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_bar0_in =   conf_pci_ba0_out ;
862
wire   [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_bar1_in =   conf_pci_ba1_out ;
863
wire   [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_bar2_in =   conf_pci_ba2_out ;
864
wire   [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_bar3_in =   conf_pci_ba3_out ;
865
wire   [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_bar4_in =   conf_pci_ba4_out ;
866
wire   [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_bar5_in =   conf_pci_ba5_out ;
867
wire   [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_am0_in  =   conf_pci_am0_out ;
868
wire   [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_am1_in  =   conf_pci_am1_out ;
869
wire   [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_am2_in  =   conf_pci_am2_out ;
870
wire   [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_am3_in  =   conf_pci_am3_out ;
871
wire   [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_am4_in  =   conf_pci_am4_out ;
872
wire   [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_am5_in  =   conf_pci_am5_out ;
873
wire   [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_ta0_in  =   conf_pci_ta0_out ;
874
wire   [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_ta1_in  =   conf_pci_ta1_out ;
875
wire   [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_ta2_in  =   conf_pci_ta2_out ;
876
wire   [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_ta3_in  =   conf_pci_ta3_out ;
877
wire   [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_ta4_in  =   conf_pci_ta4_out ;
878
wire   [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_ta5_in  =   conf_pci_ta5_out ;
879 2 mihad
 
880 21 mihad
wire    [7:0]   pciu_cache_line_size_in                 =   conf_cache_line_size_to_wb_out ;
881
wire            pciu_cache_lsize_not_zero_in            =   conf_cache_lsize_not_zero_to_wb_out ;
882 2 mihad
 
883 21 mihad
wire            pciu_pciif_frame_in                     =   PCI_FRAMEn_IN ;
884
wire            pciu_pciif_irdy_in                      =   PCI_IRDYn_IN ;
885
wire            pciu_pciif_idsel_in                     =   PCI_IDSEL_IN ;
886
wire            pciu_pciif_frame_reg_in                 =   in_reg_frame_out ;
887
wire            pciu_pciif_irdy_reg_in                  =   in_reg_irdy_out ;
888
wire            pciu_pciif_idsel_reg_in                 =   in_reg_idsel_out ;
889
wire    [31:0]  pciu_pciif_ad_reg_in                    =   in_reg_ad_out ;
890
wire    [3:0]   pciu_pciif_cbe_reg_in                   =   in_reg_cbe_out ;
891 2 mihad
 
892 21 mihad
wire            pciu_pciif_bckp_trdy_en_in              =   out_bckp_trdy_en_out ;
893
wire            pciu_pciif_bckp_devsel_in               =   out_bckp_devsel_out ;
894
wire            pciu_pciif_bckp_trdy_in                 =   out_bckp_trdy_out ;
895
wire            pciu_pciif_bckp_stop_in                 =   out_bckp_stop_out ;
896
wire            pciu_pciif_trdy_reg_in                  =   in_reg_trdy_out ;
897
wire            pciu_pciif_stop_reg_in                  =   in_reg_stop_out ;
898 2 mihad
 
899
PCI_TARGET_UNIT pci_target_unit
900
(
901
    .reset_in                       (reset),
902
    .wb_clock_in                    (wb_clk),
903
    .pci_clock_in                   (pci_clk),
904
    .ADR_O                          (pciu_adr_out),
905 21 mihad
    .MDATA_O                        (pciu_mdata_out),
906
    .MDATA_I                        (pciu_mdata_in),
907
    .CYC_O                          (pciu_cyc_out),
908
    .STB_O                          (pciu_stb_out),
909
    .WE_O                           (pciu_we_out),
910
    .SEL_O                          (pciu_sel_out),
911
    .ACK_I                          (pciu_ack_in),
912
    .RTY_I                          (pciu_rty_in),
913
    .ERR_I                          (pciu_err_in),
914
    .CAB_O                          (pciu_cab_out),
915
    .pciu_mem_enable_in             (pciu_mem_enable_in),
916
    .pciu_io_enable_in              (pciu_io_enable_in),
917
    .pciu_map_in                    (pciu_map_in),
918
    .pciu_pref_en_in                (pciu_pref_en_in),
919
    .pciu_conf_data_in              (pciu_conf_data_in),
920
    .pciu_wbw_fifo_empty_in         (pciu_wbw_fifo_empty_in),
921
    .pciu_wbu_del_read_comp_pending_in  (pciu_wbu_del_read_comp_pending_in),
922
    .pciu_wbu_frame_en_in           (pciu_wbu_frame_en_in),
923
    .pciu_bar0_in                   (pciu_bar0_in),
924
    .pciu_bar1_in                   (pciu_bar1_in),
925
    .pciu_bar2_in                   (pciu_bar2_in),
926
    .pciu_bar3_in                   (pciu_bar3_in),
927
    .pciu_bar4_in                   (pciu_bar4_in),
928
    .pciu_bar5_in                   (pciu_bar5_in),
929
    .pciu_am0_in                    (pciu_am0_in),
930
    .pciu_am1_in                    (pciu_am1_in),
931
    .pciu_am2_in                    (pciu_am2_in),
932
    .pciu_am3_in                    (pciu_am3_in),
933
    .pciu_am4_in                    (pciu_am4_in),
934
    .pciu_am5_in                    (pciu_am5_in),
935
    .pciu_ta0_in                    (pciu_ta0_in),
936
    .pciu_ta1_in                    (pciu_ta1_in),
937
    .pciu_ta2_in                    (pciu_ta2_in),
938
    .pciu_ta3_in                    (pciu_ta3_in),
939
    .pciu_ta4_in                    (pciu_ta4_in),
940
    .pciu_ta5_in                    (pciu_ta5_in),
941
    .pciu_at_en_in                  (pciu_at_en_in),
942
    .pciu_cache_line_size_in        (pciu_cache_line_size_in),
943
    .pciu_cache_lsize_not_zero_in   (pciu_cache_lsize_not_zero_in),
944
    .pciu_pciif_frame_in            (pciu_pciif_frame_in),
945
    .pciu_pciif_irdy_in             (pciu_pciif_irdy_in),
946
    .pciu_pciif_idsel_in            (pciu_pciif_idsel_in),
947
    .pciu_pciif_frame_reg_in        (pciu_pciif_frame_reg_in),
948
    .pciu_pciif_irdy_reg_in         (pciu_pciif_irdy_reg_in),
949
    .pciu_pciif_idsel_reg_in        (pciu_pciif_idsel_reg_in),
950
    .pciu_pciif_ad_reg_in           (pciu_pciif_ad_reg_in),
951
    .pciu_pciif_cbe_reg_in          (pciu_pciif_cbe_reg_in),
952
    .pciu_pciif_bckp_trdy_en_in     (pciu_pciif_bckp_trdy_en_in),
953
    .pciu_pciif_bckp_devsel_in      (pciu_pciif_bckp_devsel_in),
954
    .pciu_pciif_bckp_trdy_in        (pciu_pciif_bckp_trdy_in),
955
    .pciu_pciif_bckp_stop_in        (pciu_pciif_bckp_stop_in),
956
    .pciu_pciif_trdy_reg_in         (pciu_pciif_trdy_reg_in),
957
    .pciu_pciif_stop_reg_in         (pciu_pciif_stop_reg_in),
958
    .pciu_pciif_trdy_out            (pciu_pciif_trdy_out),
959
    .pciu_pciif_stop_out            (pciu_pciif_stop_out),
960
    .pciu_pciif_devsel_out          (pciu_pciif_devsel_out),
961
    .pciu_pciif_trdy_en_out         (pciu_pciif_trdy_en_out),
962
    .pciu_pciif_stop_en_out         (pciu_pciif_stop_en_out),
963
    .pciu_pciif_devsel_en_out       (pciu_pciif_devsel_en_out),
964
    .pciu_ad_load_out               (pciu_ad_load_out),
965
    .pciu_ad_load_on_transfer_out   (pciu_ad_load_on_transfer_out),
966
    .pciu_pciif_ad_out              (pciu_pciif_ad_out),
967
    .pciu_pciif_ad_en_out           (pciu_pciif_ad_en_out),
968
    .pciu_pciif_tabort_set_out      (pciu_pciif_tabort_set_out),
969
    .pciu_err_addr_out              (pciu_err_addr_out),
970
    .pciu_err_bc_out                (pciu_err_bc_out),
971
    .pciu_err_data_out              (pciu_err_data_out),
972
    .pciu_err_be_out                (pciu_err_be_out),
973
    .pciu_err_signal_out            (pciu_err_signal_out),
974
    .pciu_err_source_out            (pciu_err_source_out),
975
    .pciu_err_rty_exp_out           (pciu_err_rty_exp_out),
976
    .pciu_conf_offset_out           (pciu_conf_offset_out),
977
    .pciu_conf_renable_out          (pciu_conf_renable_out),
978
    .pciu_conf_wenable_out          (pciu_conf_wenable_out),
979
    .pciu_conf_be_out               (pciu_conf_be_out),
980
    .pciu_conf_data_out             (pciu_conf_data_out),
981
    .pciu_conf_select_out           (pciu_conf_select_out),
982
    .pciu_pci_drcomp_pending_out    (pciu_pci_drcomp_pending_out),
983
    .pciu_pciw_fifo_empty_out       (pciu_pciw_fifo_empty_out)
984 62 mihad
 
985
`ifdef PCI_BIST
986
    ,
987 63 mihad
    .trst       (trst),
988 62 mihad
    .SO         (SO),
989
    .SI         (SI_internal),
990
    .shift_DR   (shift_DR),
991
    .capture_DR (capture_DR),
992
    .extest     (extest),
993
    .tck        (tck)
994
`endif
995 2 mihad
);
996
 
997
 
998
// CONFIGURATION SPACE INPUTS
999
`ifdef HOST
1000
 
1001
    wire    [11:0]  conf_w_addr_in          =       wbu_conf_offset_out ;
1002
    wire    [31:0]  conf_w_data_in          =       wbu_conf_data_out ;
1003
    wire            conf_w_we_in            =       wbu_conf_wenable_out ;
1004
    wire            conf_w_re_in            =       wbu_conf_renable_out ;
1005
    wire    [3:0]   conf_w_be_in            =       wbu_conf_be_out     ;
1006
    wire            conf_w_clock            =       wb_clk ;
1007 21 mihad
    wire    [11:0]  conf_r_addr_in          =       pciu_conf_offset_out ;
1008
    wire            conf_r_re_in            =       pciu_conf_renable_out ;
1009 2 mihad
 
1010
`else
1011
`ifdef GUEST
1012
 
1013
    wire    [11:0]  conf_r_addr_in          =       wbu_conf_offset_out ;
1014
    wire            conf_r_re_in            =       wbu_conf_renable_out ;
1015
    wire            conf_w_clock            =       pci_clk ;
1016 21 mihad
    wire    [11:0]  conf_w_addr_in          =       pciu_conf_offset_out ;
1017
    wire    [31:0]  conf_w_data_in          =       pciu_conf_data_out ;
1018
    wire            conf_w_we_in            =       pciu_conf_wenable_out ;
1019
    wire            conf_w_re_in            =       pciu_conf_renable_out ;
1020
    wire    [3:0]   conf_w_be_in            =       pciu_conf_be_out ;
1021 2 mihad
 
1022
`endif
1023
`endif
1024
 
1025
 
1026
wire            conf_perr_in                            =   parchk_par_err_detect_out ;
1027
wire            conf_serr_in                            =   parchk_sig_serr_out ;
1028
wire            conf_master_abort_recv_in               =   wbu_mabort_rec_out ;
1029
wire            conf_target_abort_recv_in               =   wbu_tabort_rec_out ;
1030
wire            conf_target_abort_set_in                =   pciu_pciif_tabort_set_out ;
1031
 
1032
wire            conf_master_data_par_err_in             =   parchk_perr_mas_detect_out ;
1033
 
1034
wire    [3:0]   conf_pci_err_be_in      = pciu_err_be_out ;
1035 21 mihad
wire    [3:0]   conf_pci_err_bc_in      = pciu_err_bc_out;
1036
wire            conf_pci_err_es_in      = pciu_err_source_out ;
1037 2 mihad
wire            conf_pci_err_rty_exp_in = pciu_err_rty_exp_out ;
1038
wire            conf_pci_err_sig_in     = pciu_err_signal_out ;
1039
wire    [31:0]  conf_pci_err_addr_in    = pciu_err_addr_out ;
1040
wire    [31:0]  conf_pci_err_data_in    = pciu_err_data_out ;
1041
 
1042
wire    [3:0]   conf_wb_err_be_in       =   out_bckp_cbe_out ;
1043
wire    [3:0]   conf_wb_err_bc_in       =   wbu_err_bc_out ;
1044
wire            conf_wb_err_rty_exp_in  =   wbu_err_rty_exp_out ;
1045
wire            conf_wb_err_es_in       =   wbu_err_source_out ;
1046
wire            conf_wb_err_sig_in      =   wbu_err_signal_out ;
1047
wire    [31:0]  conf_wb_err_addr_in     =   wbu_err_addr_out ;
1048
wire    [31:0]  conf_wb_err_data_in     =   out_bckp_ad_out ;
1049
 
1050 21 mihad
wire            conf_isr_int_prop_in    =   pci_into_conf_isr_int_prop_out ;
1051
wire            conf_par_err_int_in     =   parchk_perr_mas_detect_out ;
1052
wire            conf_sys_err_int_in     =   parchk_sig_serr_out ;
1053 2 mihad
 
1054 21 mihad
CONF_SPACE configuration    (
1055
                                .reset                      (reset),
1056
                                .pci_clk                    (pci_clk),
1057
                                .wb_clk                     (wb_clk),
1058
                                .w_conf_address_in          (conf_w_addr_in),
1059
                                .w_conf_data_in             (conf_w_data_in),
1060
                                .w_conf_data_out            (conf_w_data_out),
1061
                                .r_conf_address_in          (conf_r_addr_in),
1062
                                .r_conf_data_out            (conf_r_data_out),
1063
                                .w_we                       (conf_w_we_in),
1064
                                .w_re                       (conf_w_re_in),
1065
                                .r_re                       (conf_r_re_in),
1066
                                .w_byte_en                  (conf_w_be_in),
1067
                                .w_clock                    (conf_w_clock),
1068
                                .serr_enable                (conf_serr_enable_out),
1069
                                .perr_response              (conf_perr_response_out),
1070
                                .pci_master_enable          (conf_pci_master_enable_out),
1071
                                .memory_space_enable        (conf_mem_space_enable_out),
1072
                                .io_space_enable            (conf_io_space_enable_out),
1073
                                .perr_in                    (conf_perr_in),
1074
                                .serr_in                    (conf_serr_in),
1075
                                .master_abort_recv          (conf_master_abort_recv_in),
1076
                                .target_abort_recv          (conf_target_abort_recv_in),
1077
                                .target_abort_set           (conf_target_abort_set_in),
1078
                                .master_data_par_err        (conf_master_data_par_err_in),
1079
                                .cache_line_size_to_pci     (conf_cache_line_size_to_pci_out),
1080
                                .cache_line_size_to_wb      (conf_cache_line_size_to_wb_out),
1081
                                .cache_lsize_not_zero_to_wb (conf_cache_lsize_not_zero_to_wb_out),
1082
                                .latency_tim                (conf_latency_tim_out),
1083
                                .pci_base_addr0             (conf_pci_ba0_out),
1084
                                .pci_base_addr1             (conf_pci_ba1_out),
1085
                                .pci_base_addr2             (conf_pci_ba2_out),
1086
                                .pci_base_addr3             (conf_pci_ba3_out),
1087
                                .pci_base_addr4             (conf_pci_ba4_out),
1088
                                .pci_base_addr5             (conf_pci_ba5_out),
1089
                                .pci_memory_io0             (conf_pci_mem_io0_out),
1090
                                .pci_memory_io1             (conf_pci_mem_io1_out),
1091
                                .pci_memory_io2             (conf_pci_mem_io2_out),
1092
                                .pci_memory_io3             (conf_pci_mem_io3_out),
1093
                                .pci_memory_io4             (conf_pci_mem_io4_out),
1094
                                .pci_memory_io5             (conf_pci_mem_io5_out),
1095
                                .pci_addr_mask0             (conf_pci_am0_out),
1096
                                .pci_addr_mask1             (conf_pci_am1_out),
1097
                                .pci_addr_mask2             (conf_pci_am2_out),
1098
                                .pci_addr_mask3             (conf_pci_am3_out),
1099
                                .pci_addr_mask4             (conf_pci_am4_out),
1100
                                .pci_addr_mask5             (conf_pci_am5_out),
1101
                                .pci_tran_addr0             (conf_pci_ta0_out),
1102
                                .pci_tran_addr1             (conf_pci_ta1_out),
1103
                                .pci_tran_addr2             (conf_pci_ta2_out),
1104
                                .pci_tran_addr3             (conf_pci_ta3_out),
1105
                                .pci_tran_addr4             (conf_pci_ta4_out),
1106
                                .pci_tran_addr5             (conf_pci_ta5_out),
1107
                                .pci_img_ctrl0              (conf_pci_img_ctrl0_out),
1108
                                .pci_img_ctrl1              (conf_pci_img_ctrl1_out),
1109
                                .pci_img_ctrl2              (conf_pci_img_ctrl2_out),
1110
                                .pci_img_ctrl3              (conf_pci_img_ctrl3_out),
1111
                                .pci_img_ctrl4              (conf_pci_img_ctrl4_out),
1112
                                .pci_img_ctrl5              (conf_pci_img_ctrl5_out),
1113
                                .pci_error_be               (conf_pci_err_be_in),
1114
                                .pci_error_bc               (conf_pci_err_bc_in),
1115
                                .pci_error_rty_exp          (conf_pci_err_rty_exp_in),
1116
                                .pci_error_es               (conf_pci_err_es_in),
1117
                                .pci_error_sig              (conf_pci_err_sig_in),
1118
                                .pci_error_addr             (conf_pci_err_addr_in),
1119
                                .pci_error_data             (conf_pci_err_data_in),
1120
                                .wb_base_addr0              (conf_wb_ba0_out),
1121
                                .wb_base_addr1              (conf_wb_ba1_out),
1122
                                .wb_base_addr2              (conf_wb_ba2_out),
1123
                                .wb_base_addr3              (conf_wb_ba3_out),
1124
                                .wb_base_addr4              (conf_wb_ba4_out),
1125
                                .wb_base_addr5              (conf_wb_ba5_out),
1126
                                .wb_memory_io0              (conf_wb_mem_io0_out),
1127
                                .wb_memory_io1              (conf_wb_mem_io1_out),
1128
                                .wb_memory_io2              (conf_wb_mem_io2_out),
1129
                                .wb_memory_io3              (conf_wb_mem_io3_out),
1130
                                .wb_memory_io4              (conf_wb_mem_io4_out),
1131
                                .wb_memory_io5              (conf_wb_mem_io5_out),
1132
                                .wb_addr_mask0              (conf_wb_am0_out),
1133
                                .wb_addr_mask1              (conf_wb_am1_out),
1134
                                .wb_addr_mask2              (conf_wb_am2_out),
1135
                                .wb_addr_mask3              (conf_wb_am3_out),
1136
                                .wb_addr_mask4              (conf_wb_am4_out),
1137
                                .wb_addr_mask5              (conf_wb_am5_out),
1138
                                .wb_tran_addr0              (conf_wb_ta0_out),
1139
                                .wb_tran_addr1              (conf_wb_ta1_out),
1140
                                .wb_tran_addr2              (conf_wb_ta2_out),
1141
                                .wb_tran_addr3              (conf_wb_ta3_out),
1142
                                .wb_tran_addr4              (conf_wb_ta4_out),
1143
                                .wb_tran_addr5              (conf_wb_ta5_out),
1144
                                .wb_img_ctrl0               (conf_wb_img_ctrl0_out),
1145
                                .wb_img_ctrl1               (conf_wb_img_ctrl1_out),
1146
                                .wb_img_ctrl2               (conf_wb_img_ctrl2_out),
1147
                                .wb_img_ctrl3               (conf_wb_img_ctrl3_out),
1148
                                .wb_img_ctrl4               (conf_wb_img_ctrl4_out),
1149
                                .wb_img_ctrl5               (conf_wb_img_ctrl5_out),
1150
                                .wb_error_be                (conf_wb_err_be_in),
1151
                                .wb_error_bc                (conf_wb_err_bc_in),
1152
                                .wb_error_rty_exp           (conf_wb_err_rty_exp_in),
1153
                                .wb_error_es                (conf_wb_err_es_in),
1154
                                .wb_error_sig               (conf_wb_err_sig_in),
1155
                                .wb_error_addr              (conf_wb_err_addr_in),
1156
                                .wb_error_data              (conf_wb_err_data_in),
1157
                                .config_addr                (conf_ccyc_addr_out),
1158
                                .icr_soft_res               (conf_soft_res_out),
1159
                                .int_out                    (conf_int_out),
1160
                                .isr_int_prop               (conf_isr_int_prop_in),
1161
                                .isr_par_err_int            (conf_par_err_int_in),
1162
                                .isr_sys_err_int            (conf_sys_err_int_in)
1163 2 mihad
                            ) ;
1164
 
1165
// pci data io multiplexer inputs
1166 21 mihad
wire            pci_mux_tar_ad_en_in            = pciu_pciif_ad_en_out ;
1167
wire            pci_mux_tar_ad_en_reg_in        = out_bckp_tar_ad_en_out ;
1168
wire    [31:0]  pci_mux_tar_ad_in               = pciu_pciif_ad_out ;
1169
wire            pci_mux_devsel_in               = pciu_pciif_devsel_out ;
1170
wire            pci_mux_devsel_en_in            = pciu_pciif_devsel_en_out ;
1171
wire            pci_mux_trdy_in                 = pciu_pciif_trdy_out ;
1172
wire            pci_mux_trdy_en_in              = pciu_pciif_trdy_en_out ;
1173
wire            pci_mux_stop_in                 = pciu_pciif_stop_out ;
1174
wire            pci_mux_stop_en_in              = pciu_pciif_stop_en_out ;
1175
wire            pci_mux_tar_load_in             = pciu_ad_load_out ;
1176
wire            pci_mux_tar_load_on_transfer_in = pciu_ad_load_on_transfer_out ;
1177 2 mihad
 
1178
wire            pci_mux_mas_ad_en_in    = wbu_pciif_ad_en_out ;
1179
wire    [31:0]  pci_mux_mas_ad_in       = wbu_pciif_ad_out ;
1180
 
1181 21 mihad
wire            pci_mux_frame_in                = wbu_pciif_frame_out ;
1182
wire            pci_mux_frame_en_in             = wbu_pciif_frame_en_out ;
1183
wire            pci_mux_irdy_in                 = wbu_pciif_irdy_out;
1184
wire            pci_mux_irdy_en_in              = wbu_pciif_irdy_en_out;
1185
wire            pci_mux_mas_load_in             = wbu_ad_load_out ;
1186
wire            pci_mux_mas_load_on_transfer_in = wbu_ad_load_on_transfer_out ;
1187
wire [3:0]      pci_mux_cbe_in                  = wbu_pciif_cbe_out ;
1188
wire            pci_mux_cbe_en_in               = wbu_pciif_cbe_en_out ;
1189 2 mihad
 
1190
wire            pci_mux_par_in              = parchk_pci_par_out ;
1191 21 mihad
wire            pci_mux_par_en_in           = parchk_pci_par_en_out ;
1192 2 mihad
wire            pci_mux_perr_in             = parchk_pci_perr_out ;
1193
wire            pci_mux_perr_en_in          = parchk_pci_perr_en_out ;
1194
wire            pci_mux_serr_in             = parchk_pci_serr_out ;
1195
wire            pci_mux_serr_en_in          = parchk_pci_serr_en_out;
1196
 
1197 21 mihad
wire            pci_mux_req_in              =   wbu_pciif_req_out ;
1198 2 mihad
wire            pci_mux_frame_load_in       =   wbu_pciif_frame_load_out ;
1199
 
1200 21 mihad
wire            pci_mux_pci_irdy_in         =   PCI_IRDYn_IN ;
1201
wire            pci_mux_pci_trdy_in         =   PCI_TRDYn_IN ;
1202
wire            pci_mux_pci_frame_in        =   PCI_FRAMEn_IN ;
1203
wire            pci_mux_pci_stop_in         =   PCI_STOPn_IN ;
1204
 
1205 2 mihad
PCI_IO_MUX pci_io_mux
1206
(
1207 21 mihad
    .reset_in                   (reset),
1208
    .clk_in                     (pci_clk),
1209
    .frame_in                   (pci_mux_frame_in),
1210
    .frame_en_in                (pci_mux_frame_en_in),
1211
    .frame_load_in              (pci_mux_frame_load_in),
1212
    .irdy_in                    (pci_mux_irdy_in),
1213
    .irdy_en_in                 (pci_mux_irdy_en_in),
1214
    .devsel_in                  (pci_mux_devsel_in),
1215
    .devsel_en_in               (pci_mux_devsel_en_in),
1216
    .trdy_in                    (pci_mux_trdy_in),
1217
    .trdy_en_in                 (pci_mux_trdy_en_in),
1218
    .stop_in                    (pci_mux_stop_in),
1219
    .stop_en_in                 (pci_mux_stop_en_in),
1220
    .master_load_in             (pci_mux_mas_load_in),
1221
    .master_load_on_transfer_in (pci_mux_mas_load_on_transfer_in),
1222
    .target_load_in             (pci_mux_tar_load_in),
1223
    .target_load_on_transfer_in (pci_mux_tar_load_on_transfer_in),
1224
    .cbe_in                     (pci_mux_cbe_in),
1225
    .cbe_en_in                  (pci_mux_cbe_en_in),
1226
    .mas_ad_in                  (pci_mux_mas_ad_in),
1227
    .tar_ad_in                  (pci_mux_tar_ad_in),
1228 2 mihad
 
1229 21 mihad
    .mas_ad_en_in               (pci_mux_mas_ad_en_in),
1230
    .tar_ad_en_in               (pci_mux_tar_ad_en_in),
1231
    .tar_ad_en_reg_in           (pci_mux_tar_ad_en_reg_in),
1232 2 mihad
 
1233 21 mihad
    .par_in                     (pci_mux_par_in),
1234
    .par_en_in                  (pci_mux_par_en_in),
1235
    .perr_in                    (pci_mux_perr_in),
1236
    .perr_en_in                 (pci_mux_perr_en_in),
1237
    .serr_in                    (pci_mux_serr_in),
1238
    .serr_en_in                 (pci_mux_serr_en_in),
1239 2 mihad
 
1240 21 mihad
    .frame_en_out               (pci_mux_frame_en_out),
1241
    .irdy_en_out                (pci_mux_irdy_en_out),
1242
    .devsel_en_out              (pci_mux_devsel_en_out),
1243
    .trdy_en_out                (pci_mux_trdy_en_out),
1244
    .stop_en_out                (pci_mux_stop_en_out),
1245
    .cbe_en_out                 (pci_mux_cbe_en_out),
1246
    .ad_en_out                  (pci_mux_ad_en_out),
1247 2 mihad
 
1248 21 mihad
    .frame_out                  (pci_mux_frame_out),
1249
    .irdy_out                   (pci_mux_irdy_out),
1250
    .devsel_out                 (pci_mux_devsel_out),
1251
    .trdy_out                   (pci_mux_trdy_out),
1252
    .stop_out                   (pci_mux_stop_out),
1253
    .cbe_out                    (pci_mux_cbe_out),
1254
    .ad_out                     (pci_mux_ad_out),
1255
    .ad_load_out                (pci_mux_ad_load_out),
1256
 
1257
    .par_out                    (pci_mux_par_out),
1258
    .par_en_out                 (pci_mux_par_en_out),
1259
    .perr_out                   (pci_mux_perr_out),
1260
    .perr_en_out                (pci_mux_perr_en_out),
1261
    .serr_out                   (pci_mux_serr_out),
1262
    .serr_en_out                (pci_mux_serr_en_out),
1263
    .req_in                     (pci_mux_req_in),
1264
    .req_out                    (pci_mux_req_out),
1265
    .req_en_out                 (pci_mux_req_en_out),
1266
    .pci_irdy_in                (pci_mux_pci_irdy_in),
1267
    .pci_trdy_in                (pci_mux_pci_trdy_in),
1268
    .pci_frame_in               (pci_mux_pci_frame_in),
1269
    .pci_stop_in                (pci_mux_pci_stop_in),
1270
    .ad_en_unregistered_out     (pci_mux_ad_en_unregistered_out)
1271 2 mihad
);
1272
 
1273
CUR_OUT_REG output_backup
1274
(
1275 21 mihad
    .reset_in               (reset),
1276
    .clk_in                 (pci_clk),
1277
    .frame_in               (pci_mux_frame_in),
1278
    .frame_en_in            (pci_mux_frame_en_in),
1279
    .frame_load_in          (pci_mux_frame_load_in),
1280
    .irdy_in                (pci_mux_irdy_in),
1281
    .irdy_en_in             (pci_mux_irdy_en_in),
1282
    .devsel_in              (pci_mux_devsel_in),
1283
    .trdy_in                (pci_mux_trdy_in),
1284
    .trdy_en_in             (pci_mux_trdy_en_in),
1285
    .stop_in                (pci_mux_stop_in),
1286
    .ad_load_in             (pci_mux_ad_load_out),
1287
    .cbe_in                 (pci_mux_cbe_in),
1288
    .cbe_en_in              (pci_mux_cbe_en_in),
1289
    .mas_ad_in              (pci_mux_mas_ad_in),
1290
    .tar_ad_in              (pci_mux_tar_ad_in),
1291 2 mihad
 
1292 21 mihad
    .mas_ad_en_in           (pci_mux_mas_ad_en_in),
1293
    .tar_ad_en_in           (pci_mux_tar_ad_en_in),
1294
    .ad_en_unregistered_in  (pci_mux_ad_en_unregistered_out),
1295
 
1296
    .par_in                 (pci_mux_par_in),
1297
    .par_en_in              (pci_mux_par_en_in),
1298
    .perr_in                (pci_mux_perr_in),
1299
    .perr_en_in             (pci_mux_perr_en_in),
1300
    .serr_in                (pci_mux_serr_in),
1301
    .serr_en_in             (pci_mux_serr_en_in),
1302
 
1303
    .frame_out              (out_bckp_frame_out),
1304
    .frame_en_out           (out_bckp_frame_en_out),
1305
    .irdy_out               (out_bckp_irdy_out),
1306
    .irdy_en_out            (out_bckp_irdy_en_out),
1307
    .devsel_out             (out_bckp_devsel_out),
1308
    .trdy_out               (out_bckp_trdy_out),
1309
    .trdy_en_out            (out_bckp_trdy_en_out),
1310
    .stop_out               (out_bckp_stop_out),
1311
    .cbe_out                (out_bckp_cbe_out),
1312
    .ad_out                 (out_bckp_ad_out),
1313
    .ad_en_out              (out_bckp_ad_en_out),
1314
    .cbe_en_out             (out_bckp_cbe_en_out),
1315
    .tar_ad_en_out          (out_bckp_tar_ad_en_out),
1316
    .mas_ad_en_out          (out_bckp_mas_ad_en_out),
1317
 
1318
    .par_out                (out_bckp_par_out),
1319
    .par_en_out             (out_bckp_par_en_out),
1320
    .perr_out               (out_bckp_perr_out),
1321
    .perr_en_out            (out_bckp_perr_en_out),
1322
    .serr_out               (out_bckp_serr_out),
1323
    .serr_en_out            (out_bckp_serr_en_out)
1324 2 mihad
) ;
1325
 
1326
// PARITY CHECKER INPUTS
1327
wire            parchk_pci_par_in               =   PCI_PAR_IN ;
1328
wire            parchk_pci_perr_in              =   PCI_PERRn_IN ;
1329
wire            parchk_pci_frame_reg_in         =   in_reg_frame_out ;
1330 21 mihad
wire            parchk_pci_frame_en_in          =   out_bckp_frame_en_out ;
1331 2 mihad
wire            parchk_pci_irdy_en_in           =   out_bckp_irdy_en_out ;
1332 21 mihad
wire            parchk_pci_irdy_reg_in          =   in_reg_irdy_out ;
1333
wire            parchk_pci_trdy_reg_in          =   in_reg_trdy_out ;
1334 2 mihad
 
1335
 
1336 21 mihad
wire            parchk_pci_trdy_en_in           =   out_bckp_trdy_en_out ;
1337 2 mihad
 
1338
 
1339 21 mihad
wire    [31:0]  parchk_pci_ad_out_in            =   out_bckp_ad_out ;
1340 2 mihad
wire    [31:0]  parchk_pci_ad_reg_in            =   in_reg_ad_out ;
1341
wire    [3:0]   parchk_pci_cbe_in_in            =   PCI_CBEn_IN ;
1342 21 mihad
wire    [3:0]   parchk_pci_cbe_reg_in           =   in_reg_cbe_out ;
1343 2 mihad
wire    [3:0]   parchk_pci_cbe_out_in           =   out_bckp_cbe_out ;
1344
wire            parchk_pci_ad_en_in             =   out_bckp_ad_en_out ;
1345
wire            parchk_par_err_response_in      =   conf_perr_response_out ;
1346
wire            parchk_serr_enable_in           =   conf_serr_enable_out ;
1347
 
1348
wire            parchk_pci_perr_out_in          =   out_bckp_perr_out ;
1349
wire            parchk_pci_serr_en_in           =   out_bckp_serr_en_out ;
1350
wire            parchk_pci_serr_out_in          =   out_bckp_serr_out ;
1351
wire            parchk_pci_cbe_en_in            =   out_bckp_cbe_en_out ;
1352
 
1353
wire            parchk_pci_par_en_in            =   out_bckp_par_en_out ;
1354
 
1355
PCI_PARITY_CHECK parity_checker
1356
(
1357
    .reset_in               (reset),
1358
    .clk_in                 (pci_clk),
1359
    .pci_par_in             (parchk_pci_par_in),
1360
    .pci_par_out            (parchk_pci_par_out),
1361
    .pci_par_en_out         (parchk_pci_par_en_out),
1362
    .pci_par_en_in          (parchk_pci_par_en_in),
1363
    .pci_perr_in            (parchk_pci_perr_in),
1364
    .pci_perr_out           (parchk_pci_perr_out),
1365
    .pci_perr_en_out        (parchk_pci_perr_en_out),
1366
    .pci_perr_out_in        (parchk_pci_perr_out_in),
1367
    .pci_serr_out           (parchk_pci_serr_out),
1368
    .pci_serr_out_in        (parchk_pci_serr_out_in),
1369
    .pci_serr_en_out        (parchk_pci_serr_en_out),
1370
    .pci_serr_en_in         (parchk_pci_serr_en_in),
1371
    .pci_frame_reg_in       (parchk_pci_frame_reg_in),
1372
    .pci_frame_en_in        (parchk_pci_frame_en_in),
1373
    .pci_irdy_en_in         (parchk_pci_irdy_en_in),
1374
    .pci_irdy_reg_in        (parchk_pci_irdy_reg_in),
1375
    .pci_trdy_reg_in        (parchk_pci_trdy_reg_in),
1376
    .pci_trdy_en_in         (parchk_pci_trdy_en_in),
1377
    .pci_ad_out_in          (parchk_pci_ad_out_in),
1378
    .pci_ad_reg_in          (parchk_pci_ad_reg_in),
1379
    .pci_cbe_in_in          (parchk_pci_cbe_in_in),
1380 21 mihad
    .pci_cbe_reg_in         (parchk_pci_cbe_reg_in),
1381 2 mihad
    .pci_cbe_en_in          (parchk_pci_cbe_en_in),
1382
    .pci_cbe_out_in         (parchk_pci_cbe_out_in),
1383
    .pci_ad_en_in           (parchk_pci_ad_en_in),
1384
    .par_err_response_in    (parchk_par_err_response_in),
1385
    .par_err_detect_out     (parchk_par_err_detect_out),
1386
    .perr_mas_detect_out    (parchk_perr_mas_detect_out),
1387
    .serr_enable_in         (parchk_serr_enable_in),
1388
    .sig_serr_out           (parchk_sig_serr_out)
1389
);
1390
 
1391
wire            in_reg_gnt_in    = PCI_GNTn_IN ;
1392
wire            in_reg_frame_in  = PCI_FRAMEn_IN ;
1393
wire            in_reg_irdy_in   = PCI_IRDYn_IN ;
1394
wire            in_reg_trdy_in   = PCI_TRDYn_IN ;
1395
wire            in_reg_stop_in   = PCI_STOPn_IN ;
1396
wire            in_reg_devsel_in = PCI_DEVSELn_IN ;
1397 21 mihad
wire            in_reg_idsel_in  = PCI_IDSEL_IN ;
1398 2 mihad
wire    [31:0]  in_reg_ad_in     = PCI_AD_IN ;
1399
wire    [3:0]   in_reg_cbe_in    = PCI_CBEn_IN ;
1400
 
1401
PCI_IN_REG input_register
1402
(
1403
    .reset_in       (reset),
1404
    .clk_in         (pci_clk),
1405 21 mihad
 
1406 2 mihad
    .pci_gnt_in     (in_reg_gnt_in),
1407
    .pci_frame_in   (in_reg_frame_in),
1408
    .pci_irdy_in    (in_reg_irdy_in),
1409
    .pci_trdy_in    (in_reg_trdy_in),
1410
    .pci_stop_in    (in_reg_stop_in),
1411
    .pci_devsel_in  (in_reg_devsel_in),
1412 21 mihad
    .pci_idsel_in   (in_reg_idsel_in),
1413 2 mihad
    .pci_ad_in      (in_reg_ad_in),
1414
    .pci_cbe_in     (in_reg_cbe_in),
1415 21 mihad
 
1416 2 mihad
    .pci_gnt_reg_out    (in_reg_gnt_out),
1417
    .pci_frame_reg_out  (in_reg_frame_out),
1418
    .pci_irdy_reg_out   (in_reg_irdy_out),
1419
    .pci_trdy_reg_out   (in_reg_trdy_out),
1420
    .pci_stop_reg_out   (in_reg_stop_out),
1421
    .pci_devsel_reg_out (in_reg_devsel_out),
1422 21 mihad
    .pci_idsel_reg_out  (in_reg_idsel_out),
1423 2 mihad
    .pci_ad_reg_out     (in_reg_ad_out),
1424
    .pci_cbe_reg_out    (in_reg_cbe_out)
1425
);
1426
 
1427 21 mihad
endmodule

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