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[/] [pci/] [tags/] [rel_3/] [rtl/] [verilog/] [pci_bridge32.v] - Blame information for rev 68

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Line No. Rev Author Line
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
////                                                              ////
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////                                                              ////
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 68 tadejm
// Revision 1.6  2002/10/17 22:51:50  tadejm
47
// Changed BIST signals for RAMs.
48
//
49 67 tadejm
// Revision 1.5  2002/10/11 10:09:01  mihad
50
// Added additional testcase and changed rst name in BIST to trst
51
//
52 63 mihad
// Revision 1.4  2002/10/08 17:17:05  mihad
53
// Added BIST signals for RAMs.
54
//
55 62 mihad
// Revision 1.3  2002/02/01 15:25:12  mihad
56
// Repaired a few bugs, updated specification, added test bench files and design document
57
//
58 21 mihad
// Revision 1.2  2001/10/05 08:14:28  mihad
59
// Updated all files with inclusion of timescale file for simulation purposes.
60
//
61 6 mihad
// Revision 1.1.1.1  2001/10/02 15:33:46  mihad
62
// New project directory structure
63 2 mihad
//
64 6 mihad
//
65 2 mihad
 
66 21 mihad
`include "pci_constants.v"
67
 
68
// synopsys translate_off
69 6 mihad
`include "timescale.v"
70 21 mihad
// synopsys translate_on
71 2 mihad
 
72
// this is top level module of pci bridge core
73
// it instantiates and connects other lower level modules
74
// check polarity of PCI output enables in file out_reg.v and change it according to IO interface specification
75
 
76
module PCI_BRIDGE32
77
(
78
    // WISHBONE system signals
79
    CLK_I,
80
    RST_I,
81
    RST_O,
82
    INT_I,
83
    INT_O,
84
 
85
    // WISHBONE slave interface
86
    ADR_I,
87
    SDAT_I,
88
    SDAT_O,
89
    SEL_I,
90
    CYC_I,
91
    STB_I,
92
    WE_I,
93
    CAB_I,
94
    ACK_O,
95
    RTY_O,
96
    ERR_O,
97
 
98
    // WISHBONE master interface
99
    ADR_O,
100
    MDAT_I,
101
    MDAT_O,
102
    SEL_O,
103
    CYC_O,
104
    STB_O,
105
    WE_O,
106
    CAB_O,
107
    ACK_I,
108
    RTY_I,
109
    ERR_I,
110
 
111
    // pci interface - system pins
112
    PCI_CLK_IN,
113
    PCI_RSTn_IN,
114
    PCI_RSTn_OUT,
115
    PCI_INTAn_IN,
116
    PCI_INTAn_OUT,
117
    PCI_RSTn_EN_OUT,
118
    PCI_INTAn_EN_OUT,
119
 
120
    // arbitration pins
121
    PCI_REQn_OUT,
122
    PCI_REQn_EN_OUT,
123
 
124
    PCI_GNTn_IN,
125
 
126
    // protocol pins
127
    PCI_FRAMEn_IN,
128
    PCI_FRAMEn_OUT,
129
    PCI_FRAMEn_EN_OUT,
130
    PCI_IRDYn_EN_OUT,
131
    PCI_DEVSELn_EN_OUT,
132
    PCI_TRDYn_EN_OUT,
133
    PCI_STOPn_EN_OUT,
134
    PCI_AD_EN_OUT,
135
    PCI_CBEn_EN_OUT,
136
 
137
    PCI_IRDYn_IN,
138
    PCI_IRDYn_OUT,
139
 
140
    PCI_IDSEL_IN,
141
 
142
    PCI_DEVSELn_IN,
143
    PCI_DEVSELn_OUT,
144
 
145
 
146
    PCI_TRDYn_IN,
147
    PCI_TRDYn_OUT,
148 21 mihad
 
149 2 mihad
    PCI_STOPn_IN,
150
    PCI_STOPn_OUT,
151 21 mihad
 
152
    // data transfer pins
153 2 mihad
    PCI_AD_IN,
154
    PCI_AD_OUT,
155 21 mihad
 
156 2 mihad
    PCI_CBEn_IN,
157
    PCI_CBEn_OUT,
158
 
159
    // parity generation and checking pins
160
    PCI_PAR_IN,
161
    PCI_PAR_OUT,
162
    PCI_PAR_EN_OUT,
163
 
164
    PCI_PERRn_IN,
165
    PCI_PERRn_OUT,
166
    PCI_PERRn_EN_OUT,
167
 
168
    // system error pin
169
    PCI_SERRn_OUT,
170 21 mihad
    PCI_SERRn_EN_OUT
171 62 mihad
 
172
`ifdef PCI_BIST
173
    ,
174
    // debug chain signals
175 67 tadejm
    scanb_rst,      // bist scan reset
176
    scanb_clk,      // bist scan clock
177
    scanb_si,       // bist scan serial in
178
    scanb_so,       // bist scan serial out
179 68 tadejm
    scanb_en        // bist scan shift enable
180 62 mihad
`endif
181 2 mihad
);
182
 
183
// WISHBONE system signals
184
input   CLK_I ;
185
input   RST_I ;
186
output  RST_O ;
187
input   INT_I ;
188
output  INT_O ;
189
 
190
// WISHBONE slave interface
191
input   [31:0]  ADR_I ;
192
input   [31:0]  SDAT_I ;
193
output  [31:0]  SDAT_O ;
194
input   [3:0]   SEL_I ;
195
input           CYC_I ;
196
input           STB_I ;
197
input           WE_I  ;
198
input           CAB_I ;
199
output          ACK_O ;
200
output          RTY_O ;
201
output          ERR_O ;
202
 
203
// WISHBONE master interface
204
output  [31:0]  ADR_O ;
205
input   [31:0]  MDAT_I ;
206
output  [31:0]  MDAT_O ;
207
output  [3:0]   SEL_O ;
208
output          CYC_O ;
209
output          STB_O ;
210
output          WE_O  ;
211
output          CAB_O ;
212
input           ACK_I ;
213
input           RTY_I ;
214
input           ERR_I ;
215
 
216
// pci interface - system pins
217
input   PCI_CLK_IN ;
218
input   PCI_RSTn_IN ;
219
output  PCI_RSTn_OUT ;
220
output  PCI_RSTn_EN_OUT ;
221
 
222
input   PCI_INTAn_IN ;
223
output  PCI_INTAn_OUT ;
224
output  PCI_INTAn_EN_OUT ;
225
 
226
// arbitration pins
227
output  PCI_REQn_OUT ;
228
output  PCI_REQn_EN_OUT ;
229
 
230
input   PCI_GNTn_IN ;
231
 
232
// protocol pins
233
input   PCI_FRAMEn_IN ;
234
output  PCI_FRAMEn_OUT ;
235
output  PCI_FRAMEn_EN_OUT ;
236
output  PCI_IRDYn_EN_OUT ;
237
output  PCI_DEVSELn_EN_OUT ;
238
output  PCI_TRDYn_EN_OUT ;
239
output  PCI_STOPn_EN_OUT ;
240
output  [31:0]  PCI_AD_EN_OUT ;
241
output  [3:0]   PCI_CBEn_EN_OUT ;
242
 
243
input   PCI_IRDYn_IN ;
244
output  PCI_IRDYn_OUT ;
245
 
246
input   PCI_IDSEL_IN ;
247
 
248
input   PCI_DEVSELn_IN ;
249
output  PCI_DEVSELn_OUT ;
250
 
251
input   PCI_TRDYn_IN ;
252
output  PCI_TRDYn_OUT ;
253
 
254
input   PCI_STOPn_IN ;
255
output  PCI_STOPn_OUT ;
256
 
257 21 mihad
// data transfer pins
258 2 mihad
input   [31:0]  PCI_AD_IN ;
259
output  [31:0]  PCI_AD_OUT ;
260
 
261
input   [3:0]   PCI_CBEn_IN ;
262
output  [3:0]   PCI_CBEn_OUT ;
263
 
264
// parity generation and checking pins
265
input   PCI_PAR_IN ;
266
output  PCI_PAR_OUT ;
267
output  PCI_PAR_EN_OUT ;
268
 
269
input   PCI_PERRn_IN ;
270
output  PCI_PERRn_OUT ;
271
output  PCI_PERRn_EN_OUT ;
272
 
273
// system error pin
274
output  PCI_SERRn_OUT ;
275
output  PCI_SERRn_EN_OUT ;
276
 
277 62 mihad
`ifdef PCI_BIST
278
/*-----------------------------------------------------
279
BIST debug chain port signals
280
-----------------------------------------------------*/
281 67 tadejm
input   scanb_rst;      // bist scan reset
282
input   scanb_clk;      // bist scan clock
283
input   scanb_si;       // bist scan serial in
284
output  scanb_so;       // bist scan serial out
285 68 tadejm
input   scanb_en;       // bist scan shift enable
286 62 mihad
 
287
// internal wires for serial chain connection
288
wire SO_internal ;
289
wire SI_internal = SO_internal ;
290
`endif
291
 
292 2 mihad
// declare clock and reset wires
293
wire pci_clk = PCI_CLK_IN ;
294
wire wb_clk  = CLK_I ;
295 21 mihad
wire reset ; // assigned at pci bridge reset and interrupt logic
296 2 mihad
 
297 21 mihad
/*=========================================================================================================
298
First comes definition of all modules' outputs, so they can be assigned to any other module's input later
299
  in the file, when module is instantiated
300
=========================================================================================================*/
301
// PCI BRIDGE RESET AND INTERRUPT LOGIC OUTPUTS
302
wire    pci_reso_reset ;
303
wire    pci_reso_pci_rstn_out ;
304
wire    pci_reso_pci_rstn_en_out ;
305
wire    pci_reso_rst_o ;
306
wire    pci_into_pci_intan_out ;
307
wire    pci_into_pci_intan_en_out ;
308
wire    pci_into_int_o ;
309
wire    pci_into_conf_isr_int_prop_out ;
310 2 mihad
 
311 21 mihad
// assign pci bridge reset interrupt logic outputs to top outputs where possible
312
assign reset            = pci_reso_reset ;
313
assign PCI_RSTn_OUT     = pci_reso_pci_rstn_out ;
314
assign PCI_RSTn_EN_OUT  = pci_reso_pci_rstn_en_out ;
315
assign RST_O            = pci_reso_rst_o ;
316
assign PCI_INTAn_OUT    = pci_into_pci_intan_out ;
317
assign PCI_INTAn_EN_OUT = pci_into_pci_intan_en_out ;
318
assign INT_O            = pci_into_int_o ;
319 2 mihad
 
320
// WISHBONE SLAVE UNIT OUTPUTS
321
wire    [31:0]  wbu_sdata_out ;
322
wire            wbu_ack_out ;
323
wire            wbu_rty_out ;
324
wire            wbu_err_out ;
325
wire            wbu_pciif_req_out ;
326
wire            wbu_pciif_frame_out ;
327
wire            wbu_pciif_frame_en_out ;
328
wire            wbu_pciif_irdy_out ;
329
wire            wbu_pciif_irdy_en_out ;
330
wire    [31:0]  wbu_pciif_ad_out ;
331
wire            wbu_pciif_ad_en_out ;
332
wire    [3:0]   wbu_pciif_cbe_out ;
333
wire            wbu_pciif_cbe_en_out ;
334
wire    [31:0]  wbu_err_addr_out ;
335
wire    [3:0]   wbu_err_bc_out ;
336
wire            wbu_err_signal_out ;
337
wire            wbu_err_source_out ;
338
wire            wbu_err_rty_exp_out ;
339
wire            wbu_tabort_rec_out ;
340
wire            wbu_mabort_rec_out ;
341
wire    [11:0]  wbu_conf_offset_out ;
342
wire            wbu_conf_renable_out ;
343
wire            wbu_conf_wenable_out ;
344
wire    [3:0]   wbu_conf_be_out ;
345
wire    [31:0]  wbu_conf_data_out ;
346
wire            wbu_del_read_comp_pending_out ;
347
wire            wbu_wbw_fifo_empty_out ;
348 21 mihad
wire            wbu_ad_load_out ;
349
wire            wbu_ad_load_on_transfer_out ;
350 2 mihad
wire            wbu_pciif_frame_load_out ;
351
 
352
// assign wishbone slave unit's outputs to top outputs where possible
353
assign SDAT_O   =   wbu_sdata_out ;
354
assign ACK_O    =   wbu_ack_out ;
355
assign RTY_O    =   wbu_rty_out ;
356
assign ERR_O    =   wbu_err_out ;
357
 
358
// PCI TARGET UNIT OUTPUTS
359 21 mihad
wire    [31:0]  pciu_adr_out ;
360 2 mihad
wire    [31:0]  pciu_mdata_out ;
361
wire            pciu_cyc_out ;
362
wire            pciu_stb_out ;
363
wire            pciu_we_out ;
364
wire    [3:0]   pciu_sel_out ;
365
wire            pciu_cab_out ;
366 21 mihad
wire            pciu_pciif_trdy_out ;
367
wire            pciu_pciif_stop_out ;
368
wire            pciu_pciif_devsel_out ;
369 2 mihad
wire            pciu_pciif_trdy_en_out ;
370
wire            pciu_pciif_stop_en_out ;
371
wire            pciu_pciif_devsel_en_out ;
372 21 mihad
wire            pciu_ad_load_out ;
373
wire            pciu_ad_load_on_transfer_out ;
374
wire   [31:0]   pciu_pciif_ad_out ;
375
wire            pciu_pciif_ad_en_out ;
376
wire            pciu_pciif_tabort_set_out ;
377 2 mihad
wire    [31:0]  pciu_err_addr_out ;
378
wire    [3:0]   pciu_err_bc_out ;
379
wire    [31:0]  pciu_err_data_out ;
380
wire    [3:0]   pciu_err_be_out ;
381
wire            pciu_err_signal_out ;
382
wire            pciu_err_source_out ;
383
wire            pciu_err_rty_exp_out ;
384 21 mihad
wire            pciu_conf_select_out ;
385 2 mihad
wire    [11:0]  pciu_conf_offset_out ;
386
wire            pciu_conf_renable_out ;
387
wire            pciu_conf_wenable_out ;
388
wire    [3:0]   pciu_conf_be_out ;
389
wire    [31:0]  pciu_conf_data_out ;
390 21 mihad
wire            pciu_pci_drcomp_pending_out ;
391
wire            pciu_pciw_fifo_empty_out ;
392 2 mihad
 
393
// assign pci target unit's outputs to top outputs where possible
394
assign ADR_O    =   pciu_adr_out ;
395
assign MDAT_O   =   pciu_mdata_out ;
396
assign CYC_O    =   pciu_cyc_out ;
397
assign STB_O    =   pciu_stb_out ;
398
assign WE_O     =   pciu_we_out ;
399
assign SEL_O    =   pciu_sel_out ;
400
assign CAB_O    =   pciu_cab_out ;
401
 
402
// CONFIGURATION SPACE OUTPUTS
403
wire    [31:0]  conf_w_data_out ;
404
wire    [31:0]  conf_r_data_out ;
405
wire            conf_serr_enable_out ;
406
wire            conf_perr_response_out ;
407
wire            conf_pci_master_enable_out ;
408
wire            conf_mem_space_enable_out ;
409
wire            conf_io_space_enable_out ;
410 21 mihad
wire    [7:0]   conf_cache_line_size_to_pci_out ;
411
wire    [7:0]   conf_cache_line_size_to_wb_out ;
412
wire            conf_cache_lsize_not_zero_to_wb_out ;
413 2 mihad
wire    [7:0]   conf_latency_tim_out ;
414
 
415 21 mihad
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_ba0_out ;
416
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_ba1_out ;
417
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_ba2_out ;
418
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_ba3_out ;
419
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_ba4_out ;
420
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_ba5_out ;
421
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_ta0_out ;
422
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_ta1_out ;
423
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_ta2_out ;
424
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_ta3_out ;
425
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_ta4_out ;
426
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_ta5_out ;
427
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_am0_out ;
428
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_am1_out ;
429
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_am2_out ;
430
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_am3_out ;
431
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_am4_out ;
432
wire   [19:(20 - `PCI_NUM_OF_DEC_ADDR_LINES)]   conf_pci_am5_out ;
433
 
434 2 mihad
wire            conf_pci_mem_io0_out ;
435
wire            conf_pci_mem_io1_out ;
436
wire            conf_pci_mem_io2_out ;
437
wire            conf_pci_mem_io3_out ;
438
wire            conf_pci_mem_io4_out ;
439
wire            conf_pci_mem_io5_out ;
440
 
441
wire    [1:0]   conf_pci_img_ctrl0_out ;
442
wire    [1:0]   conf_pci_img_ctrl1_out ;
443
wire    [1:0]   conf_pci_img_ctrl2_out ;
444
wire    [1:0]   conf_pci_img_ctrl3_out ;
445
wire    [1:0]   conf_pci_img_ctrl4_out ;
446
wire    [1:0]   conf_pci_img_ctrl5_out ;
447
 
448 21 mihad
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_ba0_out ;
449
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_ba1_out ;
450
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_ba2_out ;
451
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_ba3_out ;
452
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_ba4_out ;
453
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_ba5_out ;
454 2 mihad
 
455
wire            conf_wb_mem_io0_out ;
456
wire            conf_wb_mem_io1_out ;
457
wire            conf_wb_mem_io2_out ;
458
wire            conf_wb_mem_io3_out ;
459
wire            conf_wb_mem_io4_out ;
460
wire            conf_wb_mem_io5_out ;
461
 
462 21 mihad
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_am0_out ;
463
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_am1_out ;
464
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_am2_out ;
465
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_am3_out ;
466
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_am4_out ;
467
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_am5_out ;
468
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_ta0_out ;
469
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_ta1_out ;
470
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_ta2_out ;
471
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_ta3_out ;
472
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_ta4_out ;
473
wire    [19:(20 - `WB_NUM_OF_DEC_ADDR_LINES)]  conf_wb_ta5_out ;
474 2 mihad
wire    [2:0]   conf_wb_img_ctrl0_out ;
475
wire    [2:0]   conf_wb_img_ctrl1_out ;
476
wire    [2:0]   conf_wb_img_ctrl2_out ;
477
wire    [2:0]   conf_wb_img_ctrl3_out ;
478
wire    [2:0]   conf_wb_img_ctrl4_out ;
479
wire    [2:0]   conf_wb_img_ctrl5_out ;
480
wire    [23:0]  conf_ccyc_addr_out ;
481
wire            conf_soft_res_out ;
482 21 mihad
wire            conf_int_out ;
483 2 mihad
 
484
// PCI IO MUX OUTPUTS
485
wire        pci_mux_frame_out ;
486
wire        pci_mux_irdy_out ;
487
wire        pci_mux_devsel_out ;
488
wire        pci_mux_trdy_out ;
489
wire        pci_mux_stop_out ;
490
wire [3:0]  pci_mux_cbe_out ;
491
wire [31:0] pci_mux_ad_out ;
492 21 mihad
wire        pci_mux_ad_load_out ;
493 2 mihad
 
494
wire [31:0] pci_mux_ad_en_out ;
495 21 mihad
wire        pci_mux_ad_en_unregistered_out ;
496 2 mihad
wire        pci_mux_frame_en_out ;
497
wire        pci_mux_irdy_en_out ;
498
wire        pci_mux_devsel_en_out ;
499
wire        pci_mux_trdy_en_out ;
500
wire        pci_mux_stop_en_out ;
501
wire [3:0]  pci_mux_cbe_en_out ;
502
 
503
wire        pci_mux_par_out ;
504
wire        pci_mux_par_en_out ;
505
wire        pci_mux_perr_out ;
506
wire        pci_mux_perr_en_out ;
507
wire        pci_mux_serr_out ;
508
wire        pci_mux_serr_en_out ;
509
 
510
wire        pci_mux_req_out ;
511
wire        pci_mux_req_en_out ;
512
 
513
// assign outputs to top level outputs
514
 
515
assign PCI_AD_EN_OUT       = pci_mux_ad_en_out ;
516
assign PCI_FRAMEn_EN_OUT   = pci_mux_frame_en_out ;
517
assign PCI_IRDYn_EN_OUT    = pci_mux_irdy_en_out ;
518 21 mihad
assign PCI_CBEn_EN_OUT     = pci_mux_cbe_en_out ;
519 2 mihad
 
520
assign PCI_PAR_OUT         =   pci_mux_par_out ;
521
assign PCI_PAR_EN_OUT      =   pci_mux_par_en_out ;
522
assign PCI_PERRn_OUT       =   pci_mux_perr_out ;
523
assign PCI_PERRn_EN_OUT    =   pci_mux_perr_en_out ;
524 21 mihad
assign PCI_SERRn_OUT       =   pci_mux_serr_out ;
525
assign PCI_SERRn_EN_OUT    =   pci_mux_serr_en_out ;
526 2 mihad
 
527
assign PCI_REQn_OUT        =   pci_mux_req_out ;
528 21 mihad
assign PCI_REQn_EN_OUT     =   pci_mux_req_en_out ;
529 2 mihad
 
530
assign PCI_TRDYn_EN_OUT    = pci_mux_trdy_en_out ;
531
assign PCI_DEVSELn_EN_OUT  = pci_mux_devsel_en_out ;
532
assign PCI_STOPn_EN_OUT    = pci_mux_stop_en_out ;
533
assign PCI_TRDYn_OUT       =  pci_mux_trdy_out ;
534
assign PCI_DEVSELn_OUT     = pci_mux_devsel_out ;
535
assign PCI_STOPn_OUT       = pci_mux_stop_out ;
536
 
537
assign PCI_AD_OUT          = pci_mux_ad_out ;
538
assign PCI_FRAMEn_OUT      = pci_mux_frame_out ;
539
assign PCI_IRDYn_OUT       = pci_mux_irdy_out ;
540
assign PCI_CBEn_OUT        = pci_mux_cbe_out ;
541
 
542
// duplicate output register's outputs
543
wire            out_bckp_frame_out ;
544
wire            out_bckp_irdy_out ;
545
wire            out_bckp_devsel_out ;
546
wire            out_bckp_trdy_out ;
547
wire            out_bckp_stop_out ;
548
wire    [3:0]   out_bckp_cbe_out ;
549
wire            out_bckp_cbe_en_out ;
550
wire    [31:0]  out_bckp_ad_out ;
551
wire            out_bckp_ad_en_out ;
552 21 mihad
wire            out_bckp_irdy_en_out ;
553 2 mihad
wire            out_bckp_frame_en_out ;
554
wire            out_bckp_tar_ad_en_out ;
555
wire            out_bckp_mas_ad_en_out ;
556
wire            out_bckp_trdy_en_out ;
557
 
558
wire            out_bckp_par_out ;
559
wire            out_bckp_par_en_out ;
560
wire            out_bckp_perr_out ;
561
wire            out_bckp_perr_en_out ;
562
wire            out_bckp_serr_out ;
563
wire            out_bckp_serr_en_out ;
564
 
565
 
566
// PARITY CHECKER OUTPUTS
567
wire    parchk_pci_par_out ;
568
wire    parchk_pci_par_en_out ;
569 21 mihad
wire    parchk_pci_perr_out ;
570 2 mihad
wire    parchk_pci_perr_en_out ;
571 21 mihad
wire    parchk_pci_serr_out ;
572 2 mihad
wire    parchk_pci_serr_en_out ;
573
wire    parchk_par_err_detect_out ;
574
wire    parchk_perr_mas_detect_out ;
575
wire    parchk_sig_serr_out ;
576
 
577
// input register outputs
578
wire            in_reg_gnt_out ;
579
wire            in_reg_frame_out ;
580
wire            in_reg_irdy_out ;
581
wire            in_reg_trdy_out ;
582
wire            in_reg_stop_out ;
583
wire            in_reg_devsel_out ;
584 21 mihad
wire            in_reg_idsel_out ;
585 2 mihad
wire    [31:0]  in_reg_ad_out ;
586
wire    [3:0]   in_reg_cbe_out ;
587
 
588 21 mihad
/*=========================================================================================================
589
Now comes definition of all modules' and their appropriate inputs
590
=========================================================================================================*/
591
// PCI BRIDGE RESET AND INTERRUPT LOGIC INPUTS
592
wire    pci_resi_rst_i                  = RST_I ;
593
wire    pci_resi_pci_rstn_in            = PCI_RSTn_IN ;
594
wire    pci_resi_conf_soft_res_in       = conf_soft_res_out ;
595
wire    pci_inti_pci_intan_in           = PCI_INTAn_IN ;
596
wire    pci_inti_conf_int_in            = conf_int_out ;
597
wire    pci_inti_int_i                  = INT_I ;
598
wire    pci_inti_out_bckp_perr_en_in    = out_bckp_perr_en_out ;
599
wire    pci_inti_out_bckp_serr_en_in    = out_bckp_serr_en_out ;
600 2 mihad
 
601 21 mihad
PCI_RST_INT     pci_resets_and_interrupts
602
(
603
    .clk_in                 (pci_clk),
604
    .rst_i                  (pci_resi_rst_i),
605
    .pci_rstn_in            (pci_resi_pci_rstn_in),
606
    .conf_soft_res_in       (pci_resi_conf_soft_res_in),
607
    .reset                  (pci_reso_reset),
608
    .pci_rstn_out           (pci_reso_pci_rstn_out),
609
    .pci_rstn_en_out        (pci_reso_pci_rstn_en_out),
610
    .rst_o                  (pci_reso_rst_o),
611
    .pci_intan_in           (pci_inti_pci_intan_in),
612
    .conf_int_in            (pci_inti_conf_int_in),
613
    .int_i                  (pci_inti_int_i),
614
    .out_bckp_perr_en_in    (pci_inti_out_bckp_perr_en_in),
615
    .out_bckp_serr_en_in    (pci_inti_out_bckp_serr_en_in),
616
    .pci_intan_out          (pci_into_pci_intan_out),
617
    .pci_intan_en_out       (pci_into_pci_intan_en_out),
618
    .int_o                  (pci_into_int_o),
619
    .conf_isr_int_prop_out  (pci_into_conf_isr_int_prop_out)
620
);
621 2 mihad
 
622
// WISHBONE SLAVE UNIT INPUTS
623
wire    [31:0]  wbu_addr_in                     =   ADR_I ;
624
wire    [31:0]  wbu_sdata_in                    =   SDAT_I ;
625
wire            wbu_cyc_in                      =   CYC_I ;
626
wire            wbu_stb_in                      =   STB_I ;
627
wire            wbu_we_in                       =   WE_I ;
628
wire    [3:0]   wbu_sel_in                      =   SEL_I ;
629
wire            wbu_cab_in                      =   CAB_I ;
630
 
631
wire    [5:0]   wbu_map_in                      =   {
632
                                                     conf_wb_mem_io5_out,
633
                                                     conf_wb_mem_io4_out,
634
                                                     conf_wb_mem_io3_out,
635
                                                     conf_wb_mem_io2_out,
636
                                                     conf_wb_mem_io1_out,
637
                                                     conf_wb_mem_io0_out
638
                                                    } ;
639
 
640
wire    [5:0]   wbu_pref_en_in                  =   {
641
                                                     conf_wb_img_ctrl5_out[1],
642
                                                     conf_wb_img_ctrl4_out[1],
643
                                                     conf_wb_img_ctrl3_out[1],
644
                                                     conf_wb_img_ctrl2_out[1],
645
                                                     conf_wb_img_ctrl1_out[1],
646
                                                     conf_wb_img_ctrl0_out[1]
647
                                                    };
648
wire    [5:0]   wbu_mrl_en_in                   =   {
649
                                                     conf_wb_img_ctrl5_out[0],
650
                                                     conf_wb_img_ctrl4_out[0],
651
                                                     conf_wb_img_ctrl3_out[0],
652
                                                     conf_wb_img_ctrl2_out[0],
653
                                                     conf_wb_img_ctrl1_out[0],
654
                                                     conf_wb_img_ctrl0_out[0]
655
                                                    };
656
 
657
wire    [5:0]   wbu_at_en_in                    =   {
658
                                                     conf_wb_img_ctrl5_out[2],
659
                                                     conf_wb_img_ctrl4_out[2],
660
                                                     conf_wb_img_ctrl3_out[2],
661
                                                     conf_wb_img_ctrl2_out[2],
662
                                                     conf_wb_img_ctrl1_out[2],
663
                                                     conf_wb_img_ctrl0_out[2]
664
                                                    } ;
665
 
666
wire            wbu_pci_drcomp_pending_in       =   pciu_pci_drcomp_pending_out ;
667
wire            wbu_pciw_empty_in               =   pciu_pciw_fifo_empty_out ;
668
 
669
`ifdef HOST
670
    wire    [31:0]  wbu_conf_data_in            =   conf_w_data_out ;
671
`else
672
`ifdef GUEST
673
    wire    [31:0]  wbu_conf_data_in            =   conf_r_data_out ;
674
`endif
675
`endif
676
 
677 21 mihad
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_bar0_in  =   conf_wb_ba0_out ;
678
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_bar1_in  =   conf_wb_ba1_out ;
679
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_bar2_in  =   conf_wb_ba2_out ;
680
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_bar3_in  =   conf_wb_ba3_out ;
681
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_bar4_in  =   conf_wb_ba4_out ;
682
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_bar5_in  =   conf_wb_ba5_out ;
683
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_am0_in   =   conf_wb_am0_out ;
684
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_am1_in   =   conf_wb_am1_out ;
685
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_am2_in   =   conf_wb_am2_out ;
686
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_am3_in   =   conf_wb_am3_out ;
687
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_am4_in   =   conf_wb_am4_out ;
688
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_am5_in   =   conf_wb_am5_out ;
689
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_ta0_in   =   conf_wb_ta0_out ;
690
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_ta1_in   =   conf_wb_ta1_out ;
691
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_ta2_in   =   conf_wb_ta2_out ;
692
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_ta3_in   =   conf_wb_ta3_out ;
693
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_ta4_in   =   conf_wb_ta4_out ;
694
wire   [(`WB_NUM_OF_DEC_ADDR_LINES - 1):0] wbu_ta5_in   =   conf_wb_ta5_out ;
695 2 mihad
 
696
wire    [23:0]  wbu_ccyc_addr_in                        =   conf_ccyc_addr_out ;
697
wire            wbu_master_enable_in                    =   conf_pci_master_enable_out ;
698 21 mihad
wire            wbu_cache_line_size_not_zero            =   conf_cache_lsize_not_zero_to_wb_out ;
699
wire    [7:0]   wbu_cache_line_size_in                  =   conf_cache_line_size_to_pci_out ;
700 2 mihad
 
701
wire            wbu_pciif_gnt_in                        = PCI_GNTn_IN ;
702
wire            wbu_pciif_frame_in                      = in_reg_frame_out ;
703
wire            wbu_pciif_irdy_in                       = in_reg_irdy_out ;
704
wire            wbu_pciif_trdy_in                       = PCI_TRDYn_IN ;
705
wire            wbu_pciif_stop_in                       = PCI_STOPn_IN ;
706
wire            wbu_pciif_devsel_in                     = PCI_DEVSELn_IN ;
707
wire    [31:0]  wbu_pciif_ad_reg_in                     = in_reg_ad_out ;
708
wire            wbu_pciif_trdy_reg_in                   = in_reg_trdy_out ;
709
wire            wbu_pciif_stop_reg_in                   = in_reg_stop_out ;
710
wire            wbu_pciif_devsel_reg_in                 = in_reg_devsel_out ;
711
 
712
 
713
wire    [7:0]   wbu_latency_tim_val_in                  = conf_latency_tim_out ;
714
 
715
wire            wbu_pciif_frame_en_in                   = out_bckp_frame_en_out ;
716
wire            wbu_pciif_frame_out_in                  = out_bckp_frame_out ;
717
 
718
WB_SLAVE_UNIT wishbone_slave_unit
719
(
720
    .reset_in                      (reset),
721
    .wb_clock_in                   (wb_clk),
722
    .pci_clock_in                  (pci_clk),
723
    .ADDR_I                        (wbu_addr_in),
724
    .SDATA_I                       (wbu_sdata_in),
725
    .SDATA_O                       (wbu_sdata_out),
726
    .CYC_I                         (wbu_cyc_in),
727
    .STB_I                         (wbu_stb_in),
728
    .WE_I                          (wbu_we_in),
729
    .SEL_I                         (wbu_sel_in),
730
    .ACK_O                         (wbu_ack_out),
731
    .RTY_O                         (wbu_rty_out),
732
    .ERR_O                         (wbu_err_out),
733
    .CAB_I                         (wbu_cab_in),
734
    .wbu_map_in                    (wbu_map_in),
735
    .wbu_pref_en_in                (wbu_pref_en_in),
736
    .wbu_mrl_en_in                 (wbu_mrl_en_in),
737
    .wbu_pci_drcomp_pending_in     (wbu_pci_drcomp_pending_in),
738
    .wbu_conf_data_in              (wbu_conf_data_in),
739
    .wbu_pciw_empty_in             (wbu_pciw_empty_in),
740
    .wbu_bar0_in                   (wbu_bar0_in),
741
    .wbu_bar1_in                   (wbu_bar1_in),
742
    .wbu_bar2_in                   (wbu_bar2_in),
743
    .wbu_bar3_in                   (wbu_bar3_in),
744
    .wbu_bar4_in                   (wbu_bar4_in),
745
    .wbu_bar5_in                   (wbu_bar5_in),
746
    .wbu_am0_in                    (wbu_am0_in),
747
    .wbu_am1_in                    (wbu_am1_in),
748
    .wbu_am2_in                    (wbu_am2_in),
749
    .wbu_am3_in                    (wbu_am3_in),
750
    .wbu_am4_in                    (wbu_am4_in),
751
    .wbu_am5_in                    (wbu_am5_in),
752
    .wbu_ta0_in                    (wbu_ta0_in),
753
    .wbu_ta1_in                    (wbu_ta1_in),
754
    .wbu_ta2_in                    (wbu_ta2_in),
755
    .wbu_ta3_in                    (wbu_ta3_in),
756
    .wbu_ta4_in                    (wbu_ta4_in),
757
    .wbu_ta5_in                    (wbu_ta5_in),
758
    .wbu_at_en_in                  (wbu_at_en_in),
759
    .wbu_ccyc_addr_in              (wbu_ccyc_addr_in),
760
    .wbu_master_enable_in          (wbu_master_enable_in),
761 21 mihad
    .wbu_cache_line_size_not_zero  (wbu_cache_line_size_not_zero),
762 2 mihad
    .wbu_cache_line_size_in        (wbu_cache_line_size_in),
763
    .wbu_pciif_gnt_in              (wbu_pciif_gnt_in),
764
    .wbu_pciif_frame_in            (wbu_pciif_frame_in),
765
    .wbu_pciif_frame_en_in         (wbu_pciif_frame_en_in),
766
    .wbu_pciif_frame_out_in        (wbu_pciif_frame_out_in),
767
    .wbu_pciif_irdy_in             (wbu_pciif_irdy_in),
768
    .wbu_pciif_trdy_in             (wbu_pciif_trdy_in),
769
    .wbu_pciif_stop_in             (wbu_pciif_stop_in),
770
    .wbu_pciif_devsel_in           (wbu_pciif_devsel_in),
771
    .wbu_pciif_ad_reg_in           (wbu_pciif_ad_reg_in),
772
    .wbu_pciif_req_out             (wbu_pciif_req_out),
773
    .wbu_pciif_frame_out           (wbu_pciif_frame_out),
774
    .wbu_pciif_frame_en_out        (wbu_pciif_frame_en_out),
775
    .wbu_pciif_frame_load_out      (wbu_pciif_frame_load_out),
776
    .wbu_pciif_irdy_out            (wbu_pciif_irdy_out),
777
    .wbu_pciif_irdy_en_out         (wbu_pciif_irdy_en_out),
778
    .wbu_pciif_ad_out              (wbu_pciif_ad_out),
779
    .wbu_pciif_ad_en_out           (wbu_pciif_ad_en_out),
780
    .wbu_pciif_cbe_out             (wbu_pciif_cbe_out),
781
    .wbu_pciif_cbe_en_out          (wbu_pciif_cbe_en_out),
782
    .wbu_err_addr_out              (wbu_err_addr_out),
783
    .wbu_err_bc_out                (wbu_err_bc_out),
784
    .wbu_err_signal_out            (wbu_err_signal_out),
785
    .wbu_err_source_out            (wbu_err_source_out),
786
    .wbu_err_rty_exp_out           (wbu_err_rty_exp_out),
787
    .wbu_tabort_rec_out            (wbu_tabort_rec_out),
788
    .wbu_mabort_rec_out            (wbu_mabort_rec_out),
789
    .wbu_conf_offset_out           (wbu_conf_offset_out),
790
    .wbu_conf_renable_out          (wbu_conf_renable_out),
791
    .wbu_conf_wenable_out          (wbu_conf_wenable_out),
792
    .wbu_conf_be_out               (wbu_conf_be_out),
793
    .wbu_conf_data_out             (wbu_conf_data_out),
794
    .wbu_del_read_comp_pending_out (wbu_del_read_comp_pending_out),
795
    .wbu_wbw_fifo_empty_out        (wbu_wbw_fifo_empty_out),
796
    .wbu_latency_tim_val_in        (wbu_latency_tim_val_in),
797 21 mihad
    .wbu_ad_load_out               (wbu_ad_load_out),
798
    .wbu_ad_load_on_transfer_out   (wbu_ad_load_on_transfer_out),
799 2 mihad
    .wbu_pciif_trdy_reg_in         (wbu_pciif_trdy_reg_in),
800
    .wbu_pciif_stop_reg_in         (wbu_pciif_stop_reg_in),
801
    .wbu_pciif_devsel_reg_in       (wbu_pciif_devsel_reg_in)
802 62 mihad
 
803
`ifdef PCI_BIST
804
    ,
805 67 tadejm
    .scanb_rst      (scanb_rst),
806
    .scanb_clk      (scanb_clk),
807
    .scanb_si       (scanb_si),
808
    .scanb_so       (scanb_so),
809 68 tadejm
    .scanb_en       (scanb_en)
810 62 mihad
`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 67 tadejm
    .scanb_rst      (scanb_rst),
988
    .scanb_clk      (scanb_clk),
989
    .scanb_si       (scanb_si),
990
    .scanb_so       (scanb_so),
991 68 tadejm
    .scanb_en       (scanb_en)
992 62 mihad
`endif
993 2 mihad
);
994
 
995
 
996
// CONFIGURATION SPACE INPUTS
997
`ifdef HOST
998
 
999
    wire    [11:0]  conf_w_addr_in          =       wbu_conf_offset_out ;
1000
    wire    [31:0]  conf_w_data_in          =       wbu_conf_data_out ;
1001
    wire            conf_w_we_in            =       wbu_conf_wenable_out ;
1002
    wire            conf_w_re_in            =       wbu_conf_renable_out ;
1003
    wire    [3:0]   conf_w_be_in            =       wbu_conf_be_out     ;
1004
    wire            conf_w_clock            =       wb_clk ;
1005 21 mihad
    wire    [11:0]  conf_r_addr_in          =       pciu_conf_offset_out ;
1006
    wire            conf_r_re_in            =       pciu_conf_renable_out ;
1007 2 mihad
 
1008
`else
1009
`ifdef GUEST
1010
 
1011
    wire    [11:0]  conf_r_addr_in          =       wbu_conf_offset_out ;
1012
    wire            conf_r_re_in            =       wbu_conf_renable_out ;
1013
    wire            conf_w_clock            =       pci_clk ;
1014 21 mihad
    wire    [11:0]  conf_w_addr_in          =       pciu_conf_offset_out ;
1015
    wire    [31:0]  conf_w_data_in          =       pciu_conf_data_out ;
1016
    wire            conf_w_we_in            =       pciu_conf_wenable_out ;
1017
    wire            conf_w_re_in            =       pciu_conf_renable_out ;
1018
    wire    [3:0]   conf_w_be_in            =       pciu_conf_be_out ;
1019 2 mihad
 
1020
`endif
1021
`endif
1022
 
1023
 
1024
wire            conf_perr_in                            =   parchk_par_err_detect_out ;
1025
wire            conf_serr_in                            =   parchk_sig_serr_out ;
1026
wire            conf_master_abort_recv_in               =   wbu_mabort_rec_out ;
1027
wire            conf_target_abort_recv_in               =   wbu_tabort_rec_out ;
1028
wire            conf_target_abort_set_in                =   pciu_pciif_tabort_set_out ;
1029
 
1030
wire            conf_master_data_par_err_in             =   parchk_perr_mas_detect_out ;
1031
 
1032
wire    [3:0]   conf_pci_err_be_in      = pciu_err_be_out ;
1033 21 mihad
wire    [3:0]   conf_pci_err_bc_in      = pciu_err_bc_out;
1034
wire            conf_pci_err_es_in      = pciu_err_source_out ;
1035 2 mihad
wire            conf_pci_err_rty_exp_in = pciu_err_rty_exp_out ;
1036
wire            conf_pci_err_sig_in     = pciu_err_signal_out ;
1037
wire    [31:0]  conf_pci_err_addr_in    = pciu_err_addr_out ;
1038
wire    [31:0]  conf_pci_err_data_in    = pciu_err_data_out ;
1039
 
1040
wire    [3:0]   conf_wb_err_be_in       =   out_bckp_cbe_out ;
1041
wire    [3:0]   conf_wb_err_bc_in       =   wbu_err_bc_out ;
1042
wire            conf_wb_err_rty_exp_in  =   wbu_err_rty_exp_out ;
1043
wire            conf_wb_err_es_in       =   wbu_err_source_out ;
1044
wire            conf_wb_err_sig_in      =   wbu_err_signal_out ;
1045
wire    [31:0]  conf_wb_err_addr_in     =   wbu_err_addr_out ;
1046
wire    [31:0]  conf_wb_err_data_in     =   out_bckp_ad_out ;
1047
 
1048 21 mihad
wire            conf_isr_int_prop_in    =   pci_into_conf_isr_int_prop_out ;
1049
wire            conf_par_err_int_in     =   parchk_perr_mas_detect_out ;
1050
wire            conf_sys_err_int_in     =   parchk_sig_serr_out ;
1051 2 mihad
 
1052 21 mihad
CONF_SPACE configuration    (
1053
                                .reset                      (reset),
1054
                                .pci_clk                    (pci_clk),
1055
                                .wb_clk                     (wb_clk),
1056
                                .w_conf_address_in          (conf_w_addr_in),
1057
                                .w_conf_data_in             (conf_w_data_in),
1058
                                .w_conf_data_out            (conf_w_data_out),
1059
                                .r_conf_address_in          (conf_r_addr_in),
1060
                                .r_conf_data_out            (conf_r_data_out),
1061
                                .w_we                       (conf_w_we_in),
1062
                                .w_re                       (conf_w_re_in),
1063
                                .r_re                       (conf_r_re_in),
1064
                                .w_byte_en                  (conf_w_be_in),
1065
                                .w_clock                    (conf_w_clock),
1066
                                .serr_enable                (conf_serr_enable_out),
1067
                                .perr_response              (conf_perr_response_out),
1068
                                .pci_master_enable          (conf_pci_master_enable_out),
1069
                                .memory_space_enable        (conf_mem_space_enable_out),
1070
                                .io_space_enable            (conf_io_space_enable_out),
1071
                                .perr_in                    (conf_perr_in),
1072
                                .serr_in                    (conf_serr_in),
1073
                                .master_abort_recv          (conf_master_abort_recv_in),
1074
                                .target_abort_recv          (conf_target_abort_recv_in),
1075
                                .target_abort_set           (conf_target_abort_set_in),
1076
                                .master_data_par_err        (conf_master_data_par_err_in),
1077
                                .cache_line_size_to_pci     (conf_cache_line_size_to_pci_out),
1078
                                .cache_line_size_to_wb      (conf_cache_line_size_to_wb_out),
1079
                                .cache_lsize_not_zero_to_wb (conf_cache_lsize_not_zero_to_wb_out),
1080
                                .latency_tim                (conf_latency_tim_out),
1081
                                .pci_base_addr0             (conf_pci_ba0_out),
1082
                                .pci_base_addr1             (conf_pci_ba1_out),
1083
                                .pci_base_addr2             (conf_pci_ba2_out),
1084
                                .pci_base_addr3             (conf_pci_ba3_out),
1085
                                .pci_base_addr4             (conf_pci_ba4_out),
1086
                                .pci_base_addr5             (conf_pci_ba5_out),
1087
                                .pci_memory_io0             (conf_pci_mem_io0_out),
1088
                                .pci_memory_io1             (conf_pci_mem_io1_out),
1089
                                .pci_memory_io2             (conf_pci_mem_io2_out),
1090
                                .pci_memory_io3             (conf_pci_mem_io3_out),
1091
                                .pci_memory_io4             (conf_pci_mem_io4_out),
1092
                                .pci_memory_io5             (conf_pci_mem_io5_out),
1093
                                .pci_addr_mask0             (conf_pci_am0_out),
1094
                                .pci_addr_mask1             (conf_pci_am1_out),
1095
                                .pci_addr_mask2             (conf_pci_am2_out),
1096
                                .pci_addr_mask3             (conf_pci_am3_out),
1097
                                .pci_addr_mask4             (conf_pci_am4_out),
1098
                                .pci_addr_mask5             (conf_pci_am5_out),
1099
                                .pci_tran_addr0             (conf_pci_ta0_out),
1100
                                .pci_tran_addr1             (conf_pci_ta1_out),
1101
                                .pci_tran_addr2             (conf_pci_ta2_out),
1102
                                .pci_tran_addr3             (conf_pci_ta3_out),
1103
                                .pci_tran_addr4             (conf_pci_ta4_out),
1104
                                .pci_tran_addr5             (conf_pci_ta5_out),
1105
                                .pci_img_ctrl0              (conf_pci_img_ctrl0_out),
1106
                                .pci_img_ctrl1              (conf_pci_img_ctrl1_out),
1107
                                .pci_img_ctrl2              (conf_pci_img_ctrl2_out),
1108
                                .pci_img_ctrl3              (conf_pci_img_ctrl3_out),
1109
                                .pci_img_ctrl4              (conf_pci_img_ctrl4_out),
1110
                                .pci_img_ctrl5              (conf_pci_img_ctrl5_out),
1111
                                .pci_error_be               (conf_pci_err_be_in),
1112
                                .pci_error_bc               (conf_pci_err_bc_in),
1113
                                .pci_error_rty_exp          (conf_pci_err_rty_exp_in),
1114
                                .pci_error_es               (conf_pci_err_es_in),
1115
                                .pci_error_sig              (conf_pci_err_sig_in),
1116
                                .pci_error_addr             (conf_pci_err_addr_in),
1117
                                .pci_error_data             (conf_pci_err_data_in),
1118
                                .wb_base_addr0              (conf_wb_ba0_out),
1119
                                .wb_base_addr1              (conf_wb_ba1_out),
1120
                                .wb_base_addr2              (conf_wb_ba2_out),
1121
                                .wb_base_addr3              (conf_wb_ba3_out),
1122
                                .wb_base_addr4              (conf_wb_ba4_out),
1123
                                .wb_base_addr5              (conf_wb_ba5_out),
1124
                                .wb_memory_io0              (conf_wb_mem_io0_out),
1125
                                .wb_memory_io1              (conf_wb_mem_io1_out),
1126
                                .wb_memory_io2              (conf_wb_mem_io2_out),
1127
                                .wb_memory_io3              (conf_wb_mem_io3_out),
1128
                                .wb_memory_io4              (conf_wb_mem_io4_out),
1129
                                .wb_memory_io5              (conf_wb_mem_io5_out),
1130
                                .wb_addr_mask0              (conf_wb_am0_out),
1131
                                .wb_addr_mask1              (conf_wb_am1_out),
1132
                                .wb_addr_mask2              (conf_wb_am2_out),
1133
                                .wb_addr_mask3              (conf_wb_am3_out),
1134
                                .wb_addr_mask4              (conf_wb_am4_out),
1135
                                .wb_addr_mask5              (conf_wb_am5_out),
1136
                                .wb_tran_addr0              (conf_wb_ta0_out),
1137
                                .wb_tran_addr1              (conf_wb_ta1_out),
1138
                                .wb_tran_addr2              (conf_wb_ta2_out),
1139
                                .wb_tran_addr3              (conf_wb_ta3_out),
1140
                                .wb_tran_addr4              (conf_wb_ta4_out),
1141
                                .wb_tran_addr5              (conf_wb_ta5_out),
1142
                                .wb_img_ctrl0               (conf_wb_img_ctrl0_out),
1143
                                .wb_img_ctrl1               (conf_wb_img_ctrl1_out),
1144
                                .wb_img_ctrl2               (conf_wb_img_ctrl2_out),
1145
                                .wb_img_ctrl3               (conf_wb_img_ctrl3_out),
1146
                                .wb_img_ctrl4               (conf_wb_img_ctrl4_out),
1147
                                .wb_img_ctrl5               (conf_wb_img_ctrl5_out),
1148
                                .wb_error_be                (conf_wb_err_be_in),
1149
                                .wb_error_bc                (conf_wb_err_bc_in),
1150
                                .wb_error_rty_exp           (conf_wb_err_rty_exp_in),
1151
                                .wb_error_es                (conf_wb_err_es_in),
1152
                                .wb_error_sig               (conf_wb_err_sig_in),
1153
                                .wb_error_addr              (conf_wb_err_addr_in),
1154
                                .wb_error_data              (conf_wb_err_data_in),
1155
                                .config_addr                (conf_ccyc_addr_out),
1156
                                .icr_soft_res               (conf_soft_res_out),
1157
                                .int_out                    (conf_int_out),
1158
                                .isr_int_prop               (conf_isr_int_prop_in),
1159
                                .isr_par_err_int            (conf_par_err_int_in),
1160
                                .isr_sys_err_int            (conf_sys_err_int_in)
1161 2 mihad
                            ) ;
1162
 
1163
// pci data io multiplexer inputs
1164 21 mihad
wire            pci_mux_tar_ad_en_in            = pciu_pciif_ad_en_out ;
1165
wire            pci_mux_tar_ad_en_reg_in        = out_bckp_tar_ad_en_out ;
1166
wire    [31:0]  pci_mux_tar_ad_in               = pciu_pciif_ad_out ;
1167
wire            pci_mux_devsel_in               = pciu_pciif_devsel_out ;
1168
wire            pci_mux_devsel_en_in            = pciu_pciif_devsel_en_out ;
1169
wire            pci_mux_trdy_in                 = pciu_pciif_trdy_out ;
1170
wire            pci_mux_trdy_en_in              = pciu_pciif_trdy_en_out ;
1171
wire            pci_mux_stop_in                 = pciu_pciif_stop_out ;
1172
wire            pci_mux_stop_en_in              = pciu_pciif_stop_en_out ;
1173
wire            pci_mux_tar_load_in             = pciu_ad_load_out ;
1174
wire            pci_mux_tar_load_on_transfer_in = pciu_ad_load_on_transfer_out ;
1175 2 mihad
 
1176
wire            pci_mux_mas_ad_en_in    = wbu_pciif_ad_en_out ;
1177
wire    [31:0]  pci_mux_mas_ad_in       = wbu_pciif_ad_out ;
1178
 
1179 21 mihad
wire            pci_mux_frame_in                = wbu_pciif_frame_out ;
1180
wire            pci_mux_frame_en_in             = wbu_pciif_frame_en_out ;
1181
wire            pci_mux_irdy_in                 = wbu_pciif_irdy_out;
1182
wire            pci_mux_irdy_en_in              = wbu_pciif_irdy_en_out;
1183
wire            pci_mux_mas_load_in             = wbu_ad_load_out ;
1184
wire            pci_mux_mas_load_on_transfer_in = wbu_ad_load_on_transfer_out ;
1185
wire [3:0]      pci_mux_cbe_in                  = wbu_pciif_cbe_out ;
1186
wire            pci_mux_cbe_en_in               = wbu_pciif_cbe_en_out ;
1187 2 mihad
 
1188
wire            pci_mux_par_in              = parchk_pci_par_out ;
1189 21 mihad
wire            pci_mux_par_en_in           = parchk_pci_par_en_out ;
1190 2 mihad
wire            pci_mux_perr_in             = parchk_pci_perr_out ;
1191
wire            pci_mux_perr_en_in          = parchk_pci_perr_en_out ;
1192
wire            pci_mux_serr_in             = parchk_pci_serr_out ;
1193
wire            pci_mux_serr_en_in          = parchk_pci_serr_en_out;
1194
 
1195 21 mihad
wire            pci_mux_req_in              =   wbu_pciif_req_out ;
1196 2 mihad
wire            pci_mux_frame_load_in       =   wbu_pciif_frame_load_out ;
1197
 
1198 21 mihad
wire            pci_mux_pci_irdy_in         =   PCI_IRDYn_IN ;
1199
wire            pci_mux_pci_trdy_in         =   PCI_TRDYn_IN ;
1200
wire            pci_mux_pci_frame_in        =   PCI_FRAMEn_IN ;
1201
wire            pci_mux_pci_stop_in         =   PCI_STOPn_IN ;
1202
 
1203 2 mihad
PCI_IO_MUX pci_io_mux
1204
(
1205 21 mihad
    .reset_in                   (reset),
1206
    .clk_in                     (pci_clk),
1207
    .frame_in                   (pci_mux_frame_in),
1208
    .frame_en_in                (pci_mux_frame_en_in),
1209
    .frame_load_in              (pci_mux_frame_load_in),
1210
    .irdy_in                    (pci_mux_irdy_in),
1211
    .irdy_en_in                 (pci_mux_irdy_en_in),
1212
    .devsel_in                  (pci_mux_devsel_in),
1213
    .devsel_en_in               (pci_mux_devsel_en_in),
1214
    .trdy_in                    (pci_mux_trdy_in),
1215
    .trdy_en_in                 (pci_mux_trdy_en_in),
1216
    .stop_in                    (pci_mux_stop_in),
1217
    .stop_en_in                 (pci_mux_stop_en_in),
1218
    .master_load_in             (pci_mux_mas_load_in),
1219
    .master_load_on_transfer_in (pci_mux_mas_load_on_transfer_in),
1220
    .target_load_in             (pci_mux_tar_load_in),
1221
    .target_load_on_transfer_in (pci_mux_tar_load_on_transfer_in),
1222
    .cbe_in                     (pci_mux_cbe_in),
1223
    .cbe_en_in                  (pci_mux_cbe_en_in),
1224
    .mas_ad_in                  (pci_mux_mas_ad_in),
1225
    .tar_ad_in                  (pci_mux_tar_ad_in),
1226 2 mihad
 
1227 21 mihad
    .mas_ad_en_in               (pci_mux_mas_ad_en_in),
1228
    .tar_ad_en_in               (pci_mux_tar_ad_en_in),
1229
    .tar_ad_en_reg_in           (pci_mux_tar_ad_en_reg_in),
1230 2 mihad
 
1231 21 mihad
    .par_in                     (pci_mux_par_in),
1232
    .par_en_in                  (pci_mux_par_en_in),
1233
    .perr_in                    (pci_mux_perr_in),
1234
    .perr_en_in                 (pci_mux_perr_en_in),
1235
    .serr_in                    (pci_mux_serr_in),
1236
    .serr_en_in                 (pci_mux_serr_en_in),
1237 2 mihad
 
1238 21 mihad
    .frame_en_out               (pci_mux_frame_en_out),
1239
    .irdy_en_out                (pci_mux_irdy_en_out),
1240
    .devsel_en_out              (pci_mux_devsel_en_out),
1241
    .trdy_en_out                (pci_mux_trdy_en_out),
1242
    .stop_en_out                (pci_mux_stop_en_out),
1243
    .cbe_en_out                 (pci_mux_cbe_en_out),
1244
    .ad_en_out                  (pci_mux_ad_en_out),
1245 2 mihad
 
1246 21 mihad
    .frame_out                  (pci_mux_frame_out),
1247
    .irdy_out                   (pci_mux_irdy_out),
1248
    .devsel_out                 (pci_mux_devsel_out),
1249
    .trdy_out                   (pci_mux_trdy_out),
1250
    .stop_out                   (pci_mux_stop_out),
1251
    .cbe_out                    (pci_mux_cbe_out),
1252
    .ad_out                     (pci_mux_ad_out),
1253
    .ad_load_out                (pci_mux_ad_load_out),
1254
 
1255
    .par_out                    (pci_mux_par_out),
1256
    .par_en_out                 (pci_mux_par_en_out),
1257
    .perr_out                   (pci_mux_perr_out),
1258
    .perr_en_out                (pci_mux_perr_en_out),
1259
    .serr_out                   (pci_mux_serr_out),
1260
    .serr_en_out                (pci_mux_serr_en_out),
1261
    .req_in                     (pci_mux_req_in),
1262
    .req_out                    (pci_mux_req_out),
1263
    .req_en_out                 (pci_mux_req_en_out),
1264
    .pci_irdy_in                (pci_mux_pci_irdy_in),
1265
    .pci_trdy_in                (pci_mux_pci_trdy_in),
1266
    .pci_frame_in               (pci_mux_pci_frame_in),
1267
    .pci_stop_in                (pci_mux_pci_stop_in),
1268
    .ad_en_unregistered_out     (pci_mux_ad_en_unregistered_out)
1269 2 mihad
);
1270
 
1271
CUR_OUT_REG output_backup
1272
(
1273 21 mihad
    .reset_in               (reset),
1274
    .clk_in                 (pci_clk),
1275
    .frame_in               (pci_mux_frame_in),
1276
    .frame_en_in            (pci_mux_frame_en_in),
1277
    .frame_load_in          (pci_mux_frame_load_in),
1278
    .irdy_in                (pci_mux_irdy_in),
1279
    .irdy_en_in             (pci_mux_irdy_en_in),
1280
    .devsel_in              (pci_mux_devsel_in),
1281
    .trdy_in                (pci_mux_trdy_in),
1282
    .trdy_en_in             (pci_mux_trdy_en_in),
1283
    .stop_in                (pci_mux_stop_in),
1284
    .ad_load_in             (pci_mux_ad_load_out),
1285
    .cbe_in                 (pci_mux_cbe_in),
1286
    .cbe_en_in              (pci_mux_cbe_en_in),
1287
    .mas_ad_in              (pci_mux_mas_ad_in),
1288
    .tar_ad_in              (pci_mux_tar_ad_in),
1289 2 mihad
 
1290 21 mihad
    .mas_ad_en_in           (pci_mux_mas_ad_en_in),
1291
    .tar_ad_en_in           (pci_mux_tar_ad_en_in),
1292
    .ad_en_unregistered_in  (pci_mux_ad_en_unregistered_out),
1293
 
1294
    .par_in                 (pci_mux_par_in),
1295
    .par_en_in              (pci_mux_par_en_in),
1296
    .perr_in                (pci_mux_perr_in),
1297
    .perr_en_in             (pci_mux_perr_en_in),
1298
    .serr_in                (pci_mux_serr_in),
1299
    .serr_en_in             (pci_mux_serr_en_in),
1300
 
1301
    .frame_out              (out_bckp_frame_out),
1302
    .frame_en_out           (out_bckp_frame_en_out),
1303
    .irdy_out               (out_bckp_irdy_out),
1304
    .irdy_en_out            (out_bckp_irdy_en_out),
1305
    .devsel_out             (out_bckp_devsel_out),
1306
    .trdy_out               (out_bckp_trdy_out),
1307
    .trdy_en_out            (out_bckp_trdy_en_out),
1308
    .stop_out               (out_bckp_stop_out),
1309
    .cbe_out                (out_bckp_cbe_out),
1310
    .ad_out                 (out_bckp_ad_out),
1311
    .ad_en_out              (out_bckp_ad_en_out),
1312
    .cbe_en_out             (out_bckp_cbe_en_out),
1313
    .tar_ad_en_out          (out_bckp_tar_ad_en_out),
1314
    .mas_ad_en_out          (out_bckp_mas_ad_en_out),
1315
 
1316
    .par_out                (out_bckp_par_out),
1317
    .par_en_out             (out_bckp_par_en_out),
1318
    .perr_out               (out_bckp_perr_out),
1319
    .perr_en_out            (out_bckp_perr_en_out),
1320
    .serr_out               (out_bckp_serr_out),
1321
    .serr_en_out            (out_bckp_serr_en_out)
1322 2 mihad
) ;
1323
 
1324
// PARITY CHECKER INPUTS
1325
wire            parchk_pci_par_in               =   PCI_PAR_IN ;
1326
wire            parchk_pci_perr_in              =   PCI_PERRn_IN ;
1327
wire            parchk_pci_frame_reg_in         =   in_reg_frame_out ;
1328 21 mihad
wire            parchk_pci_frame_en_in          =   out_bckp_frame_en_out ;
1329 2 mihad
wire            parchk_pci_irdy_en_in           =   out_bckp_irdy_en_out ;
1330 21 mihad
wire            parchk_pci_irdy_reg_in          =   in_reg_irdy_out ;
1331
wire            parchk_pci_trdy_reg_in          =   in_reg_trdy_out ;
1332 2 mihad
 
1333
 
1334 21 mihad
wire            parchk_pci_trdy_en_in           =   out_bckp_trdy_en_out ;
1335 2 mihad
 
1336
 
1337 21 mihad
wire    [31:0]  parchk_pci_ad_out_in            =   out_bckp_ad_out ;
1338 2 mihad
wire    [31:0]  parchk_pci_ad_reg_in            =   in_reg_ad_out ;
1339
wire    [3:0]   parchk_pci_cbe_in_in            =   PCI_CBEn_IN ;
1340 21 mihad
wire    [3:0]   parchk_pci_cbe_reg_in           =   in_reg_cbe_out ;
1341 2 mihad
wire    [3:0]   parchk_pci_cbe_out_in           =   out_bckp_cbe_out ;
1342
wire            parchk_pci_ad_en_in             =   out_bckp_ad_en_out ;
1343
wire            parchk_par_err_response_in      =   conf_perr_response_out ;
1344
wire            parchk_serr_enable_in           =   conf_serr_enable_out ;
1345
 
1346
wire            parchk_pci_perr_out_in          =   out_bckp_perr_out ;
1347
wire            parchk_pci_serr_en_in           =   out_bckp_serr_en_out ;
1348
wire            parchk_pci_serr_out_in          =   out_bckp_serr_out ;
1349
wire            parchk_pci_cbe_en_in            =   out_bckp_cbe_en_out ;
1350
 
1351
wire            parchk_pci_par_en_in            =   out_bckp_par_en_out ;
1352
 
1353
PCI_PARITY_CHECK parity_checker
1354
(
1355
    .reset_in               (reset),
1356
    .clk_in                 (pci_clk),
1357
    .pci_par_in             (parchk_pci_par_in),
1358
    .pci_par_out            (parchk_pci_par_out),
1359
    .pci_par_en_out         (parchk_pci_par_en_out),
1360
    .pci_par_en_in          (parchk_pci_par_en_in),
1361
    .pci_perr_in            (parchk_pci_perr_in),
1362
    .pci_perr_out           (parchk_pci_perr_out),
1363
    .pci_perr_en_out        (parchk_pci_perr_en_out),
1364
    .pci_perr_out_in        (parchk_pci_perr_out_in),
1365
    .pci_serr_out           (parchk_pci_serr_out),
1366
    .pci_serr_out_in        (parchk_pci_serr_out_in),
1367
    .pci_serr_en_out        (parchk_pci_serr_en_out),
1368
    .pci_serr_en_in         (parchk_pci_serr_en_in),
1369
    .pci_frame_reg_in       (parchk_pci_frame_reg_in),
1370
    .pci_frame_en_in        (parchk_pci_frame_en_in),
1371
    .pci_irdy_en_in         (parchk_pci_irdy_en_in),
1372
    .pci_irdy_reg_in        (parchk_pci_irdy_reg_in),
1373
    .pci_trdy_reg_in        (parchk_pci_trdy_reg_in),
1374
    .pci_trdy_en_in         (parchk_pci_trdy_en_in),
1375
    .pci_ad_out_in          (parchk_pci_ad_out_in),
1376
    .pci_ad_reg_in          (parchk_pci_ad_reg_in),
1377
    .pci_cbe_in_in          (parchk_pci_cbe_in_in),
1378 21 mihad
    .pci_cbe_reg_in         (parchk_pci_cbe_reg_in),
1379 2 mihad
    .pci_cbe_en_in          (parchk_pci_cbe_en_in),
1380
    .pci_cbe_out_in         (parchk_pci_cbe_out_in),
1381
    .pci_ad_en_in           (parchk_pci_ad_en_in),
1382
    .par_err_response_in    (parchk_par_err_response_in),
1383
    .par_err_detect_out     (parchk_par_err_detect_out),
1384
    .perr_mas_detect_out    (parchk_perr_mas_detect_out),
1385
    .serr_enable_in         (parchk_serr_enable_in),
1386
    .sig_serr_out           (parchk_sig_serr_out)
1387
);
1388
 
1389
wire            in_reg_gnt_in    = PCI_GNTn_IN ;
1390
wire            in_reg_frame_in  = PCI_FRAMEn_IN ;
1391
wire            in_reg_irdy_in   = PCI_IRDYn_IN ;
1392
wire            in_reg_trdy_in   = PCI_TRDYn_IN ;
1393
wire            in_reg_stop_in   = PCI_STOPn_IN ;
1394
wire            in_reg_devsel_in = PCI_DEVSELn_IN ;
1395 21 mihad
wire            in_reg_idsel_in  = PCI_IDSEL_IN ;
1396 2 mihad
wire    [31:0]  in_reg_ad_in     = PCI_AD_IN ;
1397
wire    [3:0]   in_reg_cbe_in    = PCI_CBEn_IN ;
1398
 
1399
PCI_IN_REG input_register
1400
(
1401
    .reset_in       (reset),
1402
    .clk_in         (pci_clk),
1403 21 mihad
 
1404 2 mihad
    .pci_gnt_in     (in_reg_gnt_in),
1405
    .pci_frame_in   (in_reg_frame_in),
1406
    .pci_irdy_in    (in_reg_irdy_in),
1407
    .pci_trdy_in    (in_reg_trdy_in),
1408
    .pci_stop_in    (in_reg_stop_in),
1409
    .pci_devsel_in  (in_reg_devsel_in),
1410 21 mihad
    .pci_idsel_in   (in_reg_idsel_in),
1411 2 mihad
    .pci_ad_in      (in_reg_ad_in),
1412
    .pci_cbe_in     (in_reg_cbe_in),
1413 21 mihad
 
1414 2 mihad
    .pci_gnt_reg_out    (in_reg_gnt_out),
1415
    .pci_frame_reg_out  (in_reg_frame_out),
1416
    .pci_irdy_reg_out   (in_reg_irdy_out),
1417
    .pci_trdy_reg_out   (in_reg_trdy_out),
1418
    .pci_stop_reg_out   (in_reg_stop_out),
1419
    .pci_devsel_reg_out (in_reg_devsel_out),
1420 21 mihad
    .pci_idsel_reg_out  (in_reg_idsel_out),
1421 2 mihad
    .pci_ad_reg_out     (in_reg_ad_out),
1422
    .pci_cbe_reg_out    (in_reg_cbe_out)
1423
);
1424
 
1425 21 mihad
endmodule

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