OpenCores
URL https://opencores.org/ocsvn/or1k_old/or1k_old/trunk

Subversion Repositories or1k_old

[/] [or1k_old/] [trunk/] [orp/] [orp_soc/] [rtl/] [verilog/] [tc_top.v] - Blame information for rev 1782

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 746 lampret
//////////////////////////////////////////////////////////////////////
2
////                                                              ////
3
////  Xess Traffic Cop                                            ////
4
////                                                              ////
5
////  This file is part of the OR1K test application              ////
6
////  http://www.opencores.org/cores/or1k/                        ////
7
////                                                              ////
8
////  Description                                                 ////
9
////  This block connectes the RISC and peripheral controller     ////
10
////  cores together.                                             ////
11
////                                                              ////
12
////  To Do:                                                      ////
13
////   - nothing really                                           ////
14
////                                                              ////
15
////  Author(s):                                                  ////
16
////      - Damjan Lampret, lampret@opencores.org                 ////
17
////                                                              ////
18
//////////////////////////////////////////////////////////////////////
19
////                                                              ////
20
//// Copyright (C) 2002 OpenCores                                 ////
21
////                                                              ////
22
//// This source file may be used and distributed without         ////
23
//// restriction provided that this copyright statement is not    ////
24
//// removed from the file and that any derivative work contains  ////
25
//// the original copyright notice and the associated disclaimer. ////
26
////                                                              ////
27
//// This source file is free software; you can redistribute it   ////
28
//// and/or modify it under the terms of the GNU Lesser General   ////
29
//// Public License as published by the Free Software Foundation; ////
30
//// either version 2.1 of the License, or (at your option) any   ////
31
//// later version.                                               ////
32
////                                                              ////
33
//// This source is distributed in the hope that it will be       ////
34
//// useful, but WITHOUT ANY WARRANTY; without even the implied   ////
35
//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////
36
//// PURPOSE.  See the GNU Lesser General Public License for more ////
37
//// details.                                                     ////
38
////                                                              ////
39
//// You should have received a copy of the GNU Lesser General    ////
40
//// Public License along with this source; if not, download it   ////
41
//// from http://www.opencores.org/lgpl.shtml                     ////
42
////                                                              ////
43
//////////////////////////////////////////////////////////////////////
44
//
45
// CVS Revision History
46
//
47
// $Log: not supported by cvs2svn $
48 1176 damonb
// Revision 1.2  2002/03/29 20:57:30  lampret
49
// Removed unused ports wb_clki and wb_rst_i
50
//
51 796 lampret
// Revision 1.1.1.1  2002/03/21 16:55:44  lampret
52
// First import of the "new" XESS XSV environment.
53 746 lampret
//
54 796 lampret
//
55
//
56 746 lampret
 
57
// synopsys translate_off
58
`include "timescale.v"
59
// synopsys translate_on
60
 
61
//
62
// Width of address bus
63
//
64
`define TC_AW           32
65
 
66
//
67
// Width of data bus
68
//
69
`define TC_DW           32
70
 
71
//
72
// Width of byte select bus
73
//
74
`define TC_BSW          4
75
 
76
//
77
// Width of WB target inputs (coming from WB slave)
78
//
79
// data bus width + ack + err
80
//
81
`define TC_TIN_W        `TC_DW+1+1
82
 
83
//
84
// Width of WB initiator inputs (coming from WB masters)
85
//
86
// cyc + stb + cab + address bus width +
87
// byte select bus width + we + data bus width
88
//
89
`define TC_IIN_W        1+1+1+`TC_AW+`TC_BSW+1+`TC_DW
90
 
91
//
92
// Traffic Cop Top
93
//
94
module tc_top (
95
        wb_clk_i,
96
        wb_rst_i,
97
 
98
        i0_wb_cyc_i,
99
        i0_wb_stb_i,
100
        i0_wb_cab_i,
101
        i0_wb_adr_i,
102
        i0_wb_sel_i,
103
        i0_wb_we_i,
104
        i0_wb_dat_i,
105
        i0_wb_dat_o,
106
        i0_wb_ack_o,
107
        i0_wb_err_o,
108
 
109
        i1_wb_cyc_i,
110
        i1_wb_stb_i,
111
        i1_wb_cab_i,
112
        i1_wb_adr_i,
113
        i1_wb_sel_i,
114
        i1_wb_we_i,
115
        i1_wb_dat_i,
116
        i1_wb_dat_o,
117
        i1_wb_ack_o,
118
        i1_wb_err_o,
119
 
120
        i2_wb_cyc_i,
121
        i2_wb_stb_i,
122
        i2_wb_cab_i,
123
        i2_wb_adr_i,
124
        i2_wb_sel_i,
125
        i2_wb_we_i,
126
        i2_wb_dat_i,
127
        i2_wb_dat_o,
128
        i2_wb_ack_o,
129
        i2_wb_err_o,
130
 
131
        i3_wb_cyc_i,
132
        i3_wb_stb_i,
133
        i3_wb_cab_i,
134
        i3_wb_adr_i,
135
        i3_wb_sel_i,
136
        i3_wb_we_i,
137
        i3_wb_dat_i,
138
        i3_wb_dat_o,
139
        i3_wb_ack_o,
140
        i3_wb_err_o,
141
 
142
        i4_wb_cyc_i,
143
        i4_wb_stb_i,
144
        i4_wb_cab_i,
145
        i4_wb_adr_i,
146
        i4_wb_sel_i,
147
        i4_wb_we_i,
148
        i4_wb_dat_i,
149
        i4_wb_dat_o,
150
        i4_wb_ack_o,
151
        i4_wb_err_o,
152
 
153
        i5_wb_cyc_i,
154
        i5_wb_stb_i,
155
        i5_wb_cab_i,
156
        i5_wb_adr_i,
157
        i5_wb_sel_i,
158
        i5_wb_we_i,
159
        i5_wb_dat_i,
160
        i5_wb_dat_o,
161
        i5_wb_ack_o,
162
        i5_wb_err_o,
163
 
164
        i6_wb_cyc_i,
165
        i6_wb_stb_i,
166
        i6_wb_cab_i,
167
        i6_wb_adr_i,
168
        i6_wb_sel_i,
169
        i6_wb_we_i,
170
        i6_wb_dat_i,
171
        i6_wb_dat_o,
172
        i6_wb_ack_o,
173
        i6_wb_err_o,
174
 
175
        i7_wb_cyc_i,
176
        i7_wb_stb_i,
177
        i7_wb_cab_i,
178
        i7_wb_adr_i,
179
        i7_wb_sel_i,
180
        i7_wb_we_i,
181
        i7_wb_dat_i,
182
        i7_wb_dat_o,
183
        i7_wb_ack_o,
184
        i7_wb_err_o,
185
 
186
        t0_wb_cyc_o,
187
        t0_wb_stb_o,
188
        t0_wb_cab_o,
189
        t0_wb_adr_o,
190
        t0_wb_sel_o,
191
        t0_wb_we_o,
192
        t0_wb_dat_o,
193
        t0_wb_dat_i,
194
        t0_wb_ack_i,
195
        t0_wb_err_i,
196
 
197
        t1_wb_cyc_o,
198
        t1_wb_stb_o,
199
        t1_wb_cab_o,
200
        t1_wb_adr_o,
201
        t1_wb_sel_o,
202
        t1_wb_we_o,
203
        t1_wb_dat_o,
204
        t1_wb_dat_i,
205
        t1_wb_ack_i,
206
        t1_wb_err_i,
207
 
208
        t2_wb_cyc_o,
209
        t2_wb_stb_o,
210
        t2_wb_cab_o,
211
        t2_wb_adr_o,
212
        t2_wb_sel_o,
213
        t2_wb_we_o,
214
        t2_wb_dat_o,
215
        t2_wb_dat_i,
216
        t2_wb_ack_i,
217
        t2_wb_err_i,
218
 
219
        t3_wb_cyc_o,
220
        t3_wb_stb_o,
221
        t3_wb_cab_o,
222
        t3_wb_adr_o,
223
        t3_wb_sel_o,
224
        t3_wb_we_o,
225
        t3_wb_dat_o,
226
        t3_wb_dat_i,
227
        t3_wb_ack_i,
228
        t3_wb_err_i,
229
 
230
        t4_wb_cyc_o,
231
        t4_wb_stb_o,
232
        t4_wb_cab_o,
233
        t4_wb_adr_o,
234
        t4_wb_sel_o,
235
        t4_wb_we_o,
236
        t4_wb_dat_o,
237
        t4_wb_dat_i,
238
        t4_wb_ack_i,
239
        t4_wb_err_i,
240
 
241
        t5_wb_cyc_o,
242
        t5_wb_stb_o,
243
        t5_wb_cab_o,
244
        t5_wb_adr_o,
245
        t5_wb_sel_o,
246
        t5_wb_we_o,
247
        t5_wb_dat_o,
248
        t5_wb_dat_i,
249
        t5_wb_ack_i,
250
        t5_wb_err_i,
251
 
252
        t6_wb_cyc_o,
253
        t6_wb_stb_o,
254
        t6_wb_cab_o,
255
        t6_wb_adr_o,
256
        t6_wb_sel_o,
257
        t6_wb_we_o,
258
        t6_wb_dat_o,
259
        t6_wb_dat_i,
260
        t6_wb_ack_i,
261
        t6_wb_err_i,
262
 
263
        t7_wb_cyc_o,
264
        t7_wb_stb_o,
265
        t7_wb_cab_o,
266
        t7_wb_adr_o,
267
        t7_wb_sel_o,
268
        t7_wb_we_o,
269
        t7_wb_dat_o,
270
        t7_wb_dat_i,
271
        t7_wb_ack_i,
272
        t7_wb_err_i,
273
 
274
        t8_wb_cyc_o,
275
        t8_wb_stb_o,
276
        t8_wb_cab_o,
277
        t8_wb_adr_o,
278
        t8_wb_sel_o,
279
        t8_wb_we_o,
280
        t8_wb_dat_o,
281
        t8_wb_dat_i,
282
        t8_wb_ack_i,
283
        t8_wb_err_i
284
 
285
);
286
 
287
//
288
// Parameters
289
//
290
parameter               t0_addr_w = 4;
291
parameter               t0_addr = 4'd8;
292
parameter               t1_addr_w = 4;
293
parameter               t1_addr = 4'd0;
294
parameter               t28c_addr_w = 4;
295
parameter               t28_addr = 4'd0;
296
parameter               t28i_addr_w = 4;
297
parameter               t2_addr = 4'd1;
298
parameter               t3_addr = 4'd2;
299
parameter               t4_addr = 4'd3;
300
parameter               t5_addr = 4'd4;
301
parameter               t6_addr = 4'd5;
302
parameter               t7_addr = 4'd6;
303
parameter               t8_addr = 4'd7;
304
 
305
//
306
// I/O Ports
307
//
308
input                   wb_clk_i;
309
input                   wb_rst_i;
310
 
311
//
312
// WB slave i/f connecting initiator 0
313
//
314
input                   i0_wb_cyc_i;
315
input                   i0_wb_stb_i;
316
input                   i0_wb_cab_i;
317
input   [`TC_AW-1:0]     i0_wb_adr_i;
318
input   [`TC_BSW-1:0]    i0_wb_sel_i;
319
input                   i0_wb_we_i;
320
input   [`TC_DW-1:0]     i0_wb_dat_i;
321
output  [`TC_DW-1:0]     i0_wb_dat_o;
322
output                  i0_wb_ack_o;
323
output                  i0_wb_err_o;
324
 
325
//
326
// WB slave i/f connecting initiator 1
327
//
328
input                   i1_wb_cyc_i;
329
input                   i1_wb_stb_i;
330
input                   i1_wb_cab_i;
331
input   [`TC_AW-1:0]     i1_wb_adr_i;
332
input   [`TC_BSW-1:0]    i1_wb_sel_i;
333
input                   i1_wb_we_i;
334
input   [`TC_DW-1:0]     i1_wb_dat_i;
335
output  [`TC_DW-1:0]     i1_wb_dat_o;
336
output                  i1_wb_ack_o;
337
output                  i1_wb_err_o;
338
 
339
//
340
// WB slave i/f connecting initiator 2
341
//
342
input                   i2_wb_cyc_i;
343
input                   i2_wb_stb_i;
344
input                   i2_wb_cab_i;
345
input   [`TC_AW-1:0]     i2_wb_adr_i;
346
input   [`TC_BSW-1:0]    i2_wb_sel_i;
347
input                   i2_wb_we_i;
348
input   [`TC_DW-1:0]     i2_wb_dat_i;
349
output  [`TC_DW-1:0]     i2_wb_dat_o;
350
output                  i2_wb_ack_o;
351
output                  i2_wb_err_o;
352
 
353
//
354
// WB slave i/f connecting initiator 3
355
//
356
input                   i3_wb_cyc_i;
357
input                   i3_wb_stb_i;
358
input                   i3_wb_cab_i;
359
input   [`TC_AW-1:0]     i3_wb_adr_i;
360
input   [`TC_BSW-1:0]    i3_wb_sel_i;
361
input                   i3_wb_we_i;
362
input   [`TC_DW-1:0]     i3_wb_dat_i;
363
output  [`TC_DW-1:0]     i3_wb_dat_o;
364
output                  i3_wb_ack_o;
365
output                  i3_wb_err_o;
366
 
367
//
368
// WB slave i/f connecting initiator 4
369
//
370
input                   i4_wb_cyc_i;
371
input                   i4_wb_stb_i;
372
input                   i4_wb_cab_i;
373
input   [`TC_AW-1:0]     i4_wb_adr_i;
374
input   [`TC_BSW-1:0]    i4_wb_sel_i;
375
input                   i4_wb_we_i;
376
input   [`TC_DW-1:0]     i4_wb_dat_i;
377
output  [`TC_DW-1:0]     i4_wb_dat_o;
378
output                  i4_wb_ack_o;
379
output                  i4_wb_err_o;
380
 
381
//
382
// WB slave i/f connecting initiator 5
383
//
384
input                   i5_wb_cyc_i;
385
input                   i5_wb_stb_i;
386
input                   i5_wb_cab_i;
387
input   [`TC_AW-1:0]     i5_wb_adr_i;
388
input   [`TC_BSW-1:0]    i5_wb_sel_i;
389
input                   i5_wb_we_i;
390
input   [`TC_DW-1:0]     i5_wb_dat_i;
391
output  [`TC_DW-1:0]     i5_wb_dat_o;
392
output                  i5_wb_ack_o;
393
output                  i5_wb_err_o;
394
 
395
//
396
// WB slave i/f connecting initiator 6
397
//
398
input                   i6_wb_cyc_i;
399
input                   i6_wb_stb_i;
400
input                   i6_wb_cab_i;
401
input   [`TC_AW-1:0]     i6_wb_adr_i;
402
input   [`TC_BSW-1:0]    i6_wb_sel_i;
403
input                   i6_wb_we_i;
404
input   [`TC_DW-1:0]     i6_wb_dat_i;
405
output  [`TC_DW-1:0]     i6_wb_dat_o;
406
output                  i6_wb_ack_o;
407
output                  i6_wb_err_o;
408
 
409
//
410
// WB slave i/f connecting initiator 7
411
//
412
input                   i7_wb_cyc_i;
413
input                   i7_wb_stb_i;
414
input                   i7_wb_cab_i;
415
input   [`TC_AW-1:0]     i7_wb_adr_i;
416
input   [`TC_BSW-1:0]    i7_wb_sel_i;
417
input                   i7_wb_we_i;
418
input   [`TC_DW-1:0]     i7_wb_dat_i;
419
output  [`TC_DW-1:0]     i7_wb_dat_o;
420
output                  i7_wb_ack_o;
421
output                  i7_wb_err_o;
422
 
423
//
424
// WB master i/f connecting target 0
425
//
426
output                  t0_wb_cyc_o;
427
output                  t0_wb_stb_o;
428
output                  t0_wb_cab_o;
429
output  [`TC_AW-1:0]     t0_wb_adr_o;
430
output  [`TC_BSW-1:0]    t0_wb_sel_o;
431
output                  t0_wb_we_o;
432
output  [`TC_DW-1:0]     t0_wb_dat_o;
433
input   [`TC_DW-1:0]     t0_wb_dat_i;
434
input                   t0_wb_ack_i;
435
input                   t0_wb_err_i;
436
 
437
//
438
// WB master i/f connecting target 1
439
//
440
output                  t1_wb_cyc_o;
441
output                  t1_wb_stb_o;
442
output                  t1_wb_cab_o;
443
output  [`TC_AW-1:0]     t1_wb_adr_o;
444
output  [`TC_BSW-1:0]    t1_wb_sel_o;
445
output                  t1_wb_we_o;
446
output  [`TC_DW-1:0]     t1_wb_dat_o;
447
input   [`TC_DW-1:0]     t1_wb_dat_i;
448
input                   t1_wb_ack_i;
449
input                   t1_wb_err_i;
450
 
451
//
452
// WB master i/f connecting target 2
453
//
454
output                  t2_wb_cyc_o;
455
output                  t2_wb_stb_o;
456
output                  t2_wb_cab_o;
457
output  [`TC_AW-1:0]     t2_wb_adr_o;
458
output  [`TC_BSW-1:0]    t2_wb_sel_o;
459
output                  t2_wb_we_o;
460
output  [`TC_DW-1:0]     t2_wb_dat_o;
461
input   [`TC_DW-1:0]     t2_wb_dat_i;
462
input                   t2_wb_ack_i;
463
input                   t2_wb_err_i;
464
 
465
//
466
// WB master i/f connecting target 3
467
//
468
output                  t3_wb_cyc_o;
469
output                  t3_wb_stb_o;
470
output                  t3_wb_cab_o;
471
output  [`TC_AW-1:0]     t3_wb_adr_o;
472
output  [`TC_BSW-1:0]    t3_wb_sel_o;
473
output                  t3_wb_we_o;
474
output  [`TC_DW-1:0]     t3_wb_dat_o;
475
input   [`TC_DW-1:0]     t3_wb_dat_i;
476
input                   t3_wb_ack_i;
477
input                   t3_wb_err_i;
478
 
479
//
480
// WB master i/f connecting target 4
481
//
482
output                  t4_wb_cyc_o;
483
output                  t4_wb_stb_o;
484
output                  t4_wb_cab_o;
485
output  [`TC_AW-1:0]     t4_wb_adr_o;
486
output  [`TC_BSW-1:0]    t4_wb_sel_o;
487
output                  t4_wb_we_o;
488
output  [`TC_DW-1:0]     t4_wb_dat_o;
489
input   [`TC_DW-1:0]     t4_wb_dat_i;
490
input                   t4_wb_ack_i;
491
input                   t4_wb_err_i;
492
 
493
//
494
// WB master i/f connecting target 5
495
//
496
output                  t5_wb_cyc_o;
497
output                  t5_wb_stb_o;
498
output                  t5_wb_cab_o;
499
output  [`TC_AW-1:0]     t5_wb_adr_o;
500
output  [`TC_BSW-1:0]    t5_wb_sel_o;
501
output                  t5_wb_we_o;
502
output  [`TC_DW-1:0]     t5_wb_dat_o;
503
input   [`TC_DW-1:0]     t5_wb_dat_i;
504
input                   t5_wb_ack_i;
505
input                   t5_wb_err_i;
506
 
507
//
508
// WB master i/f connecting target 6
509
//
510
output                  t6_wb_cyc_o;
511
output                  t6_wb_stb_o;
512
output                  t6_wb_cab_o;
513
output  [`TC_AW-1:0]     t6_wb_adr_o;
514
output  [`TC_BSW-1:0]    t6_wb_sel_o;
515
output                  t6_wb_we_o;
516
output  [`TC_DW-1:0]     t6_wb_dat_o;
517
input   [`TC_DW-1:0]     t6_wb_dat_i;
518
input                   t6_wb_ack_i;
519
input                   t6_wb_err_i;
520
 
521
//
522
// WB master i/f connecting target 7
523
//
524
output                  t7_wb_cyc_o;
525
output                  t7_wb_stb_o;
526
output                  t7_wb_cab_o;
527
output  [`TC_AW-1:0]     t7_wb_adr_o;
528
output  [`TC_BSW-1:0]    t7_wb_sel_o;
529
output                  t7_wb_we_o;
530
output  [`TC_DW-1:0]     t7_wb_dat_o;
531
input   [`TC_DW-1:0]     t7_wb_dat_i;
532
input                   t7_wb_ack_i;
533
input                   t7_wb_err_i;
534
 
535
//
536
// WB master i/f connecting target 8
537
//
538
output                  t8_wb_cyc_o;
539
output                  t8_wb_stb_o;
540
output                  t8_wb_cab_o;
541
output  [`TC_AW-1:0]     t8_wb_adr_o;
542
output  [`TC_BSW-1:0]    t8_wb_sel_o;
543
output                  t8_wb_we_o;
544
output  [`TC_DW-1:0]     t8_wb_dat_o;
545
input   [`TC_DW-1:0]     t8_wb_dat_i;
546
input                   t8_wb_ack_i;
547
input                   t8_wb_err_i;
548
 
549
//
550
// Internal wires & registers
551
//
552
 
553
//
554
// Outputs for initiators from both mi_to_st blocks
555
//
556
wire    [`TC_DW-1:0]     xi0_wb_dat_o;
557
wire                    xi0_wb_ack_o;
558
wire                    xi0_wb_err_o;
559
wire    [`TC_DW-1:0]     xi1_wb_dat_o;
560
wire                    xi1_wb_ack_o;
561
wire                    xi1_wb_err_o;
562
wire    [`TC_DW-1:0]     xi2_wb_dat_o;
563
wire                    xi2_wb_ack_o;
564
wire                    xi2_wb_err_o;
565
wire    [`TC_DW-1:0]     xi3_wb_dat_o;
566
wire                    xi3_wb_ack_o;
567
wire                    xi3_wb_err_o;
568
wire    [`TC_DW-1:0]     xi4_wb_dat_o;
569
wire                    xi4_wb_ack_o;
570
wire                    xi4_wb_err_o;
571
wire    [`TC_DW-1:0]     xi5_wb_dat_o;
572
wire                    xi5_wb_ack_o;
573
wire                    xi5_wb_err_o;
574
wire    [`TC_DW-1:0]     xi6_wb_dat_o;
575
wire                    xi6_wb_ack_o;
576
wire                    xi6_wb_err_o;
577
wire    [`TC_DW-1:0]     xi7_wb_dat_o;
578
wire                    xi7_wb_ack_o;
579
wire                    xi7_wb_err_o;
580
wire    [`TC_DW-1:0]     yi0_wb_dat_o;
581
wire                    yi0_wb_ack_o;
582
wire                    yi0_wb_err_o;
583
wire    [`TC_DW-1:0]     yi1_wb_dat_o;
584
wire                    yi1_wb_ack_o;
585
wire                    yi1_wb_err_o;
586
wire    [`TC_DW-1:0]     yi2_wb_dat_o;
587
wire                    yi2_wb_ack_o;
588
wire                    yi2_wb_err_o;
589
wire    [`TC_DW-1:0]     yi3_wb_dat_o;
590
wire                    yi3_wb_ack_o;
591
wire                    yi3_wb_err_o;
592
wire    [`TC_DW-1:0]     yi4_wb_dat_o;
593
wire                    yi4_wb_ack_o;
594
wire                    yi4_wb_err_o;
595
wire    [`TC_DW-1:0]     yi5_wb_dat_o;
596
wire                    yi5_wb_ack_o;
597
wire                    yi5_wb_err_o;
598
wire    [`TC_DW-1:0]     yi6_wb_dat_o;
599
wire                    yi6_wb_ack_o;
600
wire                    yi6_wb_err_o;
601
wire    [`TC_DW-1:0]     yi7_wb_dat_o;
602
wire                    yi7_wb_ack_o;
603
wire                    yi7_wb_err_o;
604
 
605
//
606
// Intermediate signals connecting peripheral channel's
607
// mi_to_st and si_to_mt blocks.
608
//
609
wire                    z_wb_cyc_i;
610
wire                    z_wb_stb_i;
611
wire                    z_wb_cab_i;
612
wire    [`TC_AW-1:0]     z_wb_adr_i;
613
wire    [`TC_BSW-1:0]    z_wb_sel_i;
614
wire                    z_wb_we_i;
615
wire    [`TC_DW-1:0]     z_wb_dat_i;
616
wire    [`TC_DW-1:0]     z_wb_dat_t;
617
wire                    z_wb_ack_t;
618
wire                    z_wb_err_t;
619
 
620
//
621
// Outputs for initiators are ORed from both mi_to_st blocks
622
//
623
assign i0_wb_dat_o = xi0_wb_dat_o | yi0_wb_dat_o;
624
assign i0_wb_ack_o = xi0_wb_ack_o | yi0_wb_ack_o;
625
assign i0_wb_err_o = xi0_wb_err_o | yi0_wb_err_o;
626
assign i1_wb_dat_o = xi1_wb_dat_o | yi1_wb_dat_o;
627
assign i1_wb_ack_o = xi1_wb_ack_o | yi1_wb_ack_o;
628
assign i1_wb_err_o = xi1_wb_err_o | yi1_wb_err_o;
629
assign i2_wb_dat_o = xi2_wb_dat_o | yi2_wb_dat_o;
630
assign i2_wb_ack_o = xi2_wb_ack_o | yi2_wb_ack_o;
631
assign i2_wb_err_o = xi2_wb_err_o | yi2_wb_err_o;
632
assign i3_wb_dat_o = xi3_wb_dat_o | yi3_wb_dat_o;
633
assign i3_wb_ack_o = xi3_wb_ack_o | yi3_wb_ack_o;
634
assign i3_wb_err_o = xi3_wb_err_o | yi3_wb_err_o;
635
assign i4_wb_dat_o = xi4_wb_dat_o | yi4_wb_dat_o;
636
assign i4_wb_ack_o = xi4_wb_ack_o | yi4_wb_ack_o;
637
assign i4_wb_err_o = xi4_wb_err_o | yi4_wb_err_o;
638
assign i5_wb_dat_o = xi5_wb_dat_o | yi5_wb_dat_o;
639
assign i5_wb_ack_o = xi5_wb_ack_o | yi5_wb_ack_o;
640
assign i5_wb_err_o = xi5_wb_err_o | yi5_wb_err_o;
641
assign i6_wb_dat_o = xi6_wb_dat_o | yi6_wb_dat_o;
642
assign i6_wb_ack_o = xi6_wb_ack_o | yi6_wb_ack_o;
643
assign i6_wb_err_o = xi6_wb_err_o | yi6_wb_err_o;
644
assign i7_wb_dat_o = xi7_wb_dat_o | yi7_wb_dat_o;
645
assign i7_wb_ack_o = xi7_wb_ack_o | yi7_wb_ack_o;
646
assign i7_wb_err_o = xi7_wb_err_o | yi7_wb_err_o;
647
 
648
//
649
// From initiators to target 0
650
//
651
tc_mi_to_st #(t0_addr_w, t0_addr,
652
        0, t0_addr_w, t0_addr) t0_ch(
653
        .wb_clk_i(wb_clk_i),
654
        .wb_rst_i(wb_rst_i),
655
 
656
        .i0_wb_cyc_i(i0_wb_cyc_i),
657
        .i0_wb_stb_i(i0_wb_stb_i),
658
        .i0_wb_cab_i(i0_wb_cab_i),
659
        .i0_wb_adr_i(i0_wb_adr_i),
660
        .i0_wb_sel_i(i0_wb_sel_i),
661
        .i0_wb_we_i(i0_wb_we_i),
662
        .i0_wb_dat_i(i0_wb_dat_i),
663
        .i0_wb_dat_o(xi0_wb_dat_o),
664
        .i0_wb_ack_o(xi0_wb_ack_o),
665
        .i0_wb_err_o(xi0_wb_err_o),
666
 
667
        .i1_wb_cyc_i(i1_wb_cyc_i),
668
        .i1_wb_stb_i(i1_wb_stb_i),
669
        .i1_wb_cab_i(i1_wb_cab_i),
670
        .i1_wb_adr_i(i1_wb_adr_i),
671
        .i1_wb_sel_i(i1_wb_sel_i),
672
        .i1_wb_we_i(i1_wb_we_i),
673
        .i1_wb_dat_i(i1_wb_dat_i),
674
        .i1_wb_dat_o(xi1_wb_dat_o),
675
        .i1_wb_ack_o(xi1_wb_ack_o),
676
        .i1_wb_err_o(xi1_wb_err_o),
677
 
678
        .i2_wb_cyc_i(i2_wb_cyc_i),
679
        .i2_wb_stb_i(i2_wb_stb_i),
680
        .i2_wb_cab_i(i2_wb_cab_i),
681
        .i2_wb_adr_i(i2_wb_adr_i),
682
        .i2_wb_sel_i(i2_wb_sel_i),
683
        .i2_wb_we_i(i2_wb_we_i),
684
        .i2_wb_dat_i(i2_wb_dat_i),
685
        .i2_wb_dat_o(xi2_wb_dat_o),
686
        .i2_wb_ack_o(xi2_wb_ack_o),
687
        .i2_wb_err_o(xi2_wb_err_o),
688
 
689
        .i3_wb_cyc_i(i3_wb_cyc_i),
690
        .i3_wb_stb_i(i3_wb_stb_i),
691
        .i3_wb_cab_i(i3_wb_cab_i),
692
        .i3_wb_adr_i(i3_wb_adr_i),
693
        .i3_wb_sel_i(i3_wb_sel_i),
694
        .i3_wb_we_i(i3_wb_we_i),
695
        .i3_wb_dat_i(i3_wb_dat_i),
696
        .i3_wb_dat_o(xi3_wb_dat_o),
697
        .i3_wb_ack_o(xi3_wb_ack_o),
698
        .i3_wb_err_o(xi3_wb_err_o),
699
 
700
        .i4_wb_cyc_i(i4_wb_cyc_i),
701
        .i4_wb_stb_i(i4_wb_stb_i),
702
        .i4_wb_cab_i(i4_wb_cab_i),
703
        .i4_wb_adr_i(i4_wb_adr_i),
704
        .i4_wb_sel_i(i4_wb_sel_i),
705
        .i4_wb_we_i(i4_wb_we_i),
706
        .i4_wb_dat_i(i4_wb_dat_i),
707
        .i4_wb_dat_o(xi4_wb_dat_o),
708
        .i4_wb_ack_o(xi4_wb_ack_o),
709
        .i4_wb_err_o(xi4_wb_err_o),
710
 
711
        .i5_wb_cyc_i(i5_wb_cyc_i),
712
        .i5_wb_stb_i(i5_wb_stb_i),
713
        .i5_wb_cab_i(i5_wb_cab_i),
714
        .i5_wb_adr_i(i5_wb_adr_i),
715
        .i5_wb_sel_i(i5_wb_sel_i),
716
        .i5_wb_we_i(i5_wb_we_i),
717
        .i5_wb_dat_i(i5_wb_dat_i),
718
        .i5_wb_dat_o(xi5_wb_dat_o),
719
        .i5_wb_ack_o(xi5_wb_ack_o),
720
        .i5_wb_err_o(xi5_wb_err_o),
721
 
722
        .i6_wb_cyc_i(i6_wb_cyc_i),
723
        .i6_wb_stb_i(i6_wb_stb_i),
724
        .i6_wb_cab_i(i6_wb_cab_i),
725
        .i6_wb_adr_i(i6_wb_adr_i),
726
        .i6_wb_sel_i(i6_wb_sel_i),
727
        .i6_wb_we_i(i6_wb_we_i),
728
        .i6_wb_dat_i(i6_wb_dat_i),
729
        .i6_wb_dat_o(xi6_wb_dat_o),
730
        .i6_wb_ack_o(xi6_wb_ack_o),
731
        .i6_wb_err_o(xi6_wb_err_o),
732
 
733
        .i7_wb_cyc_i(i7_wb_cyc_i),
734
        .i7_wb_stb_i(i7_wb_stb_i),
735
        .i7_wb_cab_i(i7_wb_cab_i),
736
        .i7_wb_adr_i(i7_wb_adr_i),
737
        .i7_wb_sel_i(i7_wb_sel_i),
738
        .i7_wb_we_i(i7_wb_we_i),
739
        .i7_wb_dat_i(i7_wb_dat_i),
740
        .i7_wb_dat_o(xi7_wb_dat_o),
741
        .i7_wb_ack_o(xi7_wb_ack_o),
742
        .i7_wb_err_o(xi7_wb_err_o),
743
 
744
        .t0_wb_cyc_o(t0_wb_cyc_o),
745
        .t0_wb_stb_o(t0_wb_stb_o),
746
        .t0_wb_cab_o(t0_wb_cab_o),
747
        .t0_wb_adr_o(t0_wb_adr_o),
748
        .t0_wb_sel_o(t0_wb_sel_o),
749
        .t0_wb_we_o(t0_wb_we_o),
750
        .t0_wb_dat_o(t0_wb_dat_o),
751
        .t0_wb_dat_i(t0_wb_dat_i),
752
        .t0_wb_ack_i(t0_wb_ack_i),
753
        .t0_wb_err_i(t0_wb_err_i)
754
 
755
);
756
 
757
//
758 1268 lampret
// From initiators to targets 1-8 (upper part)
759 746 lampret
//
760
tc_mi_to_st #(t1_addr_w, t1_addr,
761
        1, t28c_addr_w, t28_addr) t18_ch_upper(
762
        .wb_clk_i(wb_clk_i),
763
        .wb_rst_i(wb_rst_i),
764
 
765
        .i0_wb_cyc_i(i0_wb_cyc_i),
766
        .i0_wb_stb_i(i0_wb_stb_i),
767
        .i0_wb_cab_i(i0_wb_cab_i),
768
        .i0_wb_adr_i(i0_wb_adr_i),
769
        .i0_wb_sel_i(i0_wb_sel_i),
770
        .i0_wb_we_i(i0_wb_we_i),
771
        .i0_wb_dat_i(i0_wb_dat_i),
772
        .i0_wb_dat_o(yi0_wb_dat_o),
773
        .i0_wb_ack_o(yi0_wb_ack_o),
774
        .i0_wb_err_o(yi0_wb_err_o),
775
 
776
        .i1_wb_cyc_i(i1_wb_cyc_i),
777
        .i1_wb_stb_i(i1_wb_stb_i),
778
        .i1_wb_cab_i(i1_wb_cab_i),
779
        .i1_wb_adr_i(i1_wb_adr_i),
780
        .i1_wb_sel_i(i1_wb_sel_i),
781
        .i1_wb_we_i(i1_wb_we_i),
782
        .i1_wb_dat_i(i1_wb_dat_i),
783
        .i1_wb_dat_o(yi1_wb_dat_o),
784
        .i1_wb_ack_o(yi1_wb_ack_o),
785
        .i1_wb_err_o(yi1_wb_err_o),
786
 
787
        .i2_wb_cyc_i(i2_wb_cyc_i),
788
        .i2_wb_stb_i(i2_wb_stb_i),
789
        .i2_wb_cab_i(i2_wb_cab_i),
790
        .i2_wb_adr_i(i2_wb_adr_i),
791
        .i2_wb_sel_i(i2_wb_sel_i),
792
        .i2_wb_we_i(i2_wb_we_i),
793
        .i2_wb_dat_i(i2_wb_dat_i),
794
        .i2_wb_dat_o(yi2_wb_dat_o),
795
        .i2_wb_ack_o(yi2_wb_ack_o),
796
        .i2_wb_err_o(yi2_wb_err_o),
797
 
798
        .i3_wb_cyc_i(i3_wb_cyc_i),
799
        .i3_wb_stb_i(i3_wb_stb_i),
800
        .i3_wb_cab_i(i3_wb_cab_i),
801
        .i3_wb_adr_i(i3_wb_adr_i),
802
        .i3_wb_sel_i(i3_wb_sel_i),
803
        .i3_wb_we_i(i3_wb_we_i),
804
        .i3_wb_dat_i(i3_wb_dat_i),
805
        .i3_wb_dat_o(yi3_wb_dat_o),
806
        .i3_wb_ack_o(yi3_wb_ack_o),
807
        .i3_wb_err_o(yi3_wb_err_o),
808
 
809
        .i4_wb_cyc_i(i4_wb_cyc_i),
810
        .i4_wb_stb_i(i4_wb_stb_i),
811
        .i4_wb_cab_i(i4_wb_cab_i),
812
        .i4_wb_adr_i(i4_wb_adr_i),
813
        .i4_wb_sel_i(i4_wb_sel_i),
814
        .i4_wb_we_i(i4_wb_we_i),
815
        .i4_wb_dat_i(i4_wb_dat_i),
816
        .i4_wb_dat_o(yi4_wb_dat_o),
817
        .i4_wb_ack_o(yi4_wb_ack_o),
818
        .i4_wb_err_o(yi4_wb_err_o),
819
 
820
        .i5_wb_cyc_i(i5_wb_cyc_i),
821
        .i5_wb_stb_i(i5_wb_stb_i),
822
        .i5_wb_cab_i(i5_wb_cab_i),
823
        .i5_wb_adr_i(i5_wb_adr_i),
824
        .i5_wb_sel_i(i5_wb_sel_i),
825
        .i5_wb_we_i(i5_wb_we_i),
826
        .i5_wb_dat_i(i5_wb_dat_i),
827
        .i5_wb_dat_o(yi5_wb_dat_o),
828
        .i5_wb_ack_o(yi5_wb_ack_o),
829
        .i5_wb_err_o(yi5_wb_err_o),
830
 
831
        .i6_wb_cyc_i(i6_wb_cyc_i),
832
        .i6_wb_stb_i(i6_wb_stb_i),
833
        .i6_wb_cab_i(i6_wb_cab_i),
834
        .i6_wb_adr_i(i6_wb_adr_i),
835
        .i6_wb_sel_i(i6_wb_sel_i),
836
        .i6_wb_we_i(i6_wb_we_i),
837
        .i6_wb_dat_i(i6_wb_dat_i),
838
        .i6_wb_dat_o(yi6_wb_dat_o),
839
        .i6_wb_ack_o(yi6_wb_ack_o),
840
        .i6_wb_err_o(yi6_wb_err_o),
841
 
842
        .i7_wb_cyc_i(i7_wb_cyc_i),
843
        .i7_wb_stb_i(i7_wb_stb_i),
844
        .i7_wb_cab_i(i7_wb_cab_i),
845
        .i7_wb_adr_i(i7_wb_adr_i),
846
        .i7_wb_sel_i(i7_wb_sel_i),
847
        .i7_wb_we_i(i7_wb_we_i),
848
        .i7_wb_dat_i(i7_wb_dat_i),
849
        .i7_wb_dat_o(yi7_wb_dat_o),
850
        .i7_wb_ack_o(yi7_wb_ack_o),
851
        .i7_wb_err_o(yi7_wb_err_o),
852
 
853
        .t0_wb_cyc_o(z_wb_cyc_i),
854
        .t0_wb_stb_o(z_wb_stb_i),
855
        .t0_wb_cab_o(z_wb_cab_i),
856
        .t0_wb_adr_o(z_wb_adr_i),
857
        .t0_wb_sel_o(z_wb_sel_i),
858
        .t0_wb_we_o(z_wb_we_i),
859
        .t0_wb_dat_o(z_wb_dat_i),
860
        .t0_wb_dat_i(z_wb_dat_t),
861
        .t0_wb_ack_i(z_wb_ack_t),
862
        .t0_wb_err_i(z_wb_err_t)
863
 
864
);
865
 
866
//
867
// From initiators to targets 1-8 (lower part)
868
//
869
tc_si_to_mt #(t1_addr_w, t1_addr, t28i_addr_w, t2_addr, t3_addr,
870
        t4_addr, t5_addr, t6_addr, t7_addr, t8_addr) t18_ch_lower(
871
 
872
        .i0_wb_cyc_i(z_wb_cyc_i),
873
        .i0_wb_stb_i(z_wb_stb_i),
874
        .i0_wb_cab_i(z_wb_cab_i),
875
        .i0_wb_adr_i(z_wb_adr_i),
876
        .i0_wb_sel_i(z_wb_sel_i),
877
        .i0_wb_we_i(z_wb_we_i),
878
        .i0_wb_dat_i(z_wb_dat_i),
879
        .i0_wb_dat_o(z_wb_dat_t),
880
        .i0_wb_ack_o(z_wb_ack_t),
881
        .i0_wb_err_o(z_wb_err_t),
882
 
883
        .t0_wb_cyc_o(t1_wb_cyc_o),
884
        .t0_wb_stb_o(t1_wb_stb_o),
885
        .t0_wb_cab_o(t1_wb_cab_o),
886
        .t0_wb_adr_o(t1_wb_adr_o),
887
        .t0_wb_sel_o(t1_wb_sel_o),
888
        .t0_wb_we_o(t1_wb_we_o),
889
        .t0_wb_dat_o(t1_wb_dat_o),
890
        .t0_wb_dat_i(t1_wb_dat_i),
891
        .t0_wb_ack_i(t1_wb_ack_i),
892
        .t0_wb_err_i(t1_wb_err_i),
893
 
894
        .t1_wb_cyc_o(t2_wb_cyc_o),
895
        .t1_wb_stb_o(t2_wb_stb_o),
896
        .t1_wb_cab_o(t2_wb_cab_o),
897
        .t1_wb_adr_o(t2_wb_adr_o),
898
        .t1_wb_sel_o(t2_wb_sel_o),
899
        .t1_wb_we_o(t2_wb_we_o),
900
        .t1_wb_dat_o(t2_wb_dat_o),
901
        .t1_wb_dat_i(t2_wb_dat_i),
902
        .t1_wb_ack_i(t2_wb_ack_i),
903
        .t1_wb_err_i(t2_wb_err_i),
904
 
905
        .t2_wb_cyc_o(t3_wb_cyc_o),
906
        .t2_wb_stb_o(t3_wb_stb_o),
907
        .t2_wb_cab_o(t3_wb_cab_o),
908
        .t2_wb_adr_o(t3_wb_adr_o),
909
        .t2_wb_sel_o(t3_wb_sel_o),
910
        .t2_wb_we_o(t3_wb_we_o),
911
        .t2_wb_dat_o(t3_wb_dat_o),
912
        .t2_wb_dat_i(t3_wb_dat_i),
913
        .t2_wb_ack_i(t3_wb_ack_i),
914
        .t2_wb_err_i(t3_wb_err_i),
915
 
916
        .t3_wb_cyc_o(t4_wb_cyc_o),
917
        .t3_wb_stb_o(t4_wb_stb_o),
918
        .t3_wb_cab_o(t4_wb_cab_o),
919
        .t3_wb_adr_o(t4_wb_adr_o),
920
        .t3_wb_sel_o(t4_wb_sel_o),
921
        .t3_wb_we_o(t4_wb_we_o),
922
        .t3_wb_dat_o(t4_wb_dat_o),
923
        .t3_wb_dat_i(t4_wb_dat_i),
924
        .t3_wb_ack_i(t4_wb_ack_i),
925
        .t3_wb_err_i(t4_wb_err_i),
926
 
927
        .t4_wb_cyc_o(t5_wb_cyc_o),
928
        .t4_wb_stb_o(t5_wb_stb_o),
929
        .t4_wb_cab_o(t5_wb_cab_o),
930
        .t4_wb_adr_o(t5_wb_adr_o),
931
        .t4_wb_sel_o(t5_wb_sel_o),
932
        .t4_wb_we_o(t5_wb_we_o),
933
        .t4_wb_dat_o(t5_wb_dat_o),
934
        .t4_wb_dat_i(t5_wb_dat_i),
935
        .t4_wb_ack_i(t5_wb_ack_i),
936
        .t4_wb_err_i(t5_wb_err_i),
937
 
938
        .t5_wb_cyc_o(t6_wb_cyc_o),
939
        .t5_wb_stb_o(t6_wb_stb_o),
940
        .t5_wb_cab_o(t6_wb_cab_o),
941
        .t5_wb_adr_o(t6_wb_adr_o),
942
        .t5_wb_sel_o(t6_wb_sel_o),
943
        .t5_wb_we_o(t6_wb_we_o),
944
        .t5_wb_dat_o(t6_wb_dat_o),
945
        .t5_wb_dat_i(t6_wb_dat_i),
946
        .t5_wb_ack_i(t6_wb_ack_i),
947
        .t5_wb_err_i(t6_wb_err_i),
948
 
949
        .t6_wb_cyc_o(t7_wb_cyc_o),
950
        .t6_wb_stb_o(t7_wb_stb_o),
951
        .t6_wb_cab_o(t7_wb_cab_o),
952
        .t6_wb_adr_o(t7_wb_adr_o),
953
        .t6_wb_sel_o(t7_wb_sel_o),
954
        .t6_wb_we_o(t7_wb_we_o),
955
        .t6_wb_dat_o(t7_wb_dat_o),
956
        .t6_wb_dat_i(t7_wb_dat_i),
957
        .t6_wb_ack_i(t7_wb_ack_i),
958
        .t6_wb_err_i(t7_wb_err_i),
959
 
960
        .t7_wb_cyc_o(t8_wb_cyc_o),
961
        .t7_wb_stb_o(t8_wb_stb_o),
962
        .t7_wb_cab_o(t8_wb_cab_o),
963
        .t7_wb_adr_o(t8_wb_adr_o),
964
        .t7_wb_sel_o(t8_wb_sel_o),
965
        .t7_wb_we_o(t8_wb_we_o),
966
        .t7_wb_dat_o(t8_wb_dat_o),
967
        .t7_wb_dat_i(t8_wb_dat_i),
968
        .t7_wb_ack_i(t8_wb_ack_i),
969
        .t7_wb_err_i(t8_wb_err_i)
970
 
971
);
972
 
973
endmodule
974
 
975
//
976
// Multiple initiator to single target
977
//
978
module tc_mi_to_st (
979
        wb_clk_i,
980
        wb_rst_i,
981
 
982
        i0_wb_cyc_i,
983
        i0_wb_stb_i,
984
        i0_wb_cab_i,
985
        i0_wb_adr_i,
986
        i0_wb_sel_i,
987
        i0_wb_we_i,
988
        i0_wb_dat_i,
989
        i0_wb_dat_o,
990
        i0_wb_ack_o,
991
        i0_wb_err_o,
992
 
993
        i1_wb_cyc_i,
994
        i1_wb_stb_i,
995
        i1_wb_cab_i,
996
        i1_wb_adr_i,
997
        i1_wb_sel_i,
998
        i1_wb_we_i,
999
        i1_wb_dat_i,
1000
        i1_wb_dat_o,
1001
        i1_wb_ack_o,
1002
        i1_wb_err_o,
1003
 
1004
        i2_wb_cyc_i,
1005
        i2_wb_stb_i,
1006
        i2_wb_cab_i,
1007
        i2_wb_adr_i,
1008
        i2_wb_sel_i,
1009
        i2_wb_we_i,
1010
        i2_wb_dat_i,
1011
        i2_wb_dat_o,
1012
        i2_wb_ack_o,
1013
        i2_wb_err_o,
1014
 
1015
        i3_wb_cyc_i,
1016
        i3_wb_stb_i,
1017
        i3_wb_cab_i,
1018
        i3_wb_adr_i,
1019
        i3_wb_sel_i,
1020
        i3_wb_we_i,
1021
        i3_wb_dat_i,
1022
        i3_wb_dat_o,
1023
        i3_wb_ack_o,
1024
        i3_wb_err_o,
1025
 
1026
        i4_wb_cyc_i,
1027
        i4_wb_stb_i,
1028
        i4_wb_cab_i,
1029
        i4_wb_adr_i,
1030
        i4_wb_sel_i,
1031
        i4_wb_we_i,
1032
        i4_wb_dat_i,
1033
        i4_wb_dat_o,
1034
        i4_wb_ack_o,
1035
        i4_wb_err_o,
1036
 
1037
        i5_wb_cyc_i,
1038
        i5_wb_stb_i,
1039
        i5_wb_cab_i,
1040
        i5_wb_adr_i,
1041
        i5_wb_sel_i,
1042
        i5_wb_we_i,
1043
        i5_wb_dat_i,
1044
        i5_wb_dat_o,
1045
        i5_wb_ack_o,
1046
        i5_wb_err_o,
1047
 
1048
        i6_wb_cyc_i,
1049
        i6_wb_stb_i,
1050
        i6_wb_cab_i,
1051
        i6_wb_adr_i,
1052
        i6_wb_sel_i,
1053
        i6_wb_we_i,
1054
        i6_wb_dat_i,
1055
        i6_wb_dat_o,
1056
        i6_wb_ack_o,
1057
        i6_wb_err_o,
1058
 
1059
        i7_wb_cyc_i,
1060
        i7_wb_stb_i,
1061
        i7_wb_cab_i,
1062
        i7_wb_adr_i,
1063
        i7_wb_sel_i,
1064
        i7_wb_we_i,
1065
        i7_wb_dat_i,
1066
        i7_wb_dat_o,
1067
        i7_wb_ack_o,
1068
        i7_wb_err_o,
1069
 
1070
        t0_wb_cyc_o,
1071
        t0_wb_stb_o,
1072
        t0_wb_cab_o,
1073
        t0_wb_adr_o,
1074
        t0_wb_sel_o,
1075
        t0_wb_we_o,
1076
        t0_wb_dat_o,
1077
        t0_wb_dat_i,
1078
        t0_wb_ack_i,
1079
        t0_wb_err_i
1080
 
1081
);
1082
 
1083
//
1084
// Parameters
1085
//
1086
parameter               t0_addr_w = 2;
1087
parameter               t0_addr = 2'b00;
1088
parameter               multitarg = 1'b0;
1089
parameter               t17_addr_w = 2;
1090
parameter               t17_addr = 2'b00;
1091
 
1092
//
1093
// I/O Ports
1094
//
1095
input                   wb_clk_i;
1096
input                   wb_rst_i;
1097
 
1098
//
1099
// WB slave i/f connecting initiator 0
1100
//
1101
input                   i0_wb_cyc_i;
1102
input                   i0_wb_stb_i;
1103
input                   i0_wb_cab_i;
1104
input   [`TC_AW-1:0]     i0_wb_adr_i;
1105
input   [`TC_BSW-1:0]    i0_wb_sel_i;
1106
input                   i0_wb_we_i;
1107
input   [`TC_DW-1:0]     i0_wb_dat_i;
1108
output  [`TC_DW-1:0]     i0_wb_dat_o;
1109
output                  i0_wb_ack_o;
1110
output                  i0_wb_err_o;
1111
 
1112
//
1113
// WB slave i/f connecting initiator 1
1114
//
1115
input                   i1_wb_cyc_i;
1116
input                   i1_wb_stb_i;
1117
input                   i1_wb_cab_i;
1118
input   [`TC_AW-1:0]     i1_wb_adr_i;
1119
input   [`TC_BSW-1:0]    i1_wb_sel_i;
1120
input                   i1_wb_we_i;
1121
input   [`TC_DW-1:0]     i1_wb_dat_i;
1122
output  [`TC_DW-1:0]     i1_wb_dat_o;
1123
output                  i1_wb_ack_o;
1124
output                  i1_wb_err_o;
1125
 
1126
//
1127
// WB slave i/f connecting initiator 2
1128
//
1129
input                   i2_wb_cyc_i;
1130
input                   i2_wb_stb_i;
1131
input                   i2_wb_cab_i;
1132
input   [`TC_AW-1:0]     i2_wb_adr_i;
1133
input   [`TC_BSW-1:0]    i2_wb_sel_i;
1134
input                   i2_wb_we_i;
1135
input   [`TC_DW-1:0]     i2_wb_dat_i;
1136
output  [`TC_DW-1:0]     i2_wb_dat_o;
1137
output                  i2_wb_ack_o;
1138
output                  i2_wb_err_o;
1139
 
1140
//
1141
// WB slave i/f connecting initiator 3
1142
//
1143
input                   i3_wb_cyc_i;
1144
input                   i3_wb_stb_i;
1145
input                   i3_wb_cab_i;
1146
input   [`TC_AW-1:0]     i3_wb_adr_i;
1147
input   [`TC_BSW-1:0]    i3_wb_sel_i;
1148
input                   i3_wb_we_i;
1149
input   [`TC_DW-1:0]     i3_wb_dat_i;
1150
output  [`TC_DW-1:0]     i3_wb_dat_o;
1151
output                  i3_wb_ack_o;
1152
output                  i3_wb_err_o;
1153
 
1154
//
1155
// WB slave i/f connecting initiator 4
1156
//
1157
input                   i4_wb_cyc_i;
1158
input                   i4_wb_stb_i;
1159
input                   i4_wb_cab_i;
1160
input   [`TC_AW-1:0]     i4_wb_adr_i;
1161
input   [`TC_BSW-1:0]    i4_wb_sel_i;
1162
input                   i4_wb_we_i;
1163
input   [`TC_DW-1:0]     i4_wb_dat_i;
1164
output  [`TC_DW-1:0]     i4_wb_dat_o;
1165
output                  i4_wb_ack_o;
1166
output                  i4_wb_err_o;
1167
 
1168
//
1169
// WB slave i/f connecting initiator 5
1170
//
1171
input                   i5_wb_cyc_i;
1172
input                   i5_wb_stb_i;
1173
input                   i5_wb_cab_i;
1174
input   [`TC_AW-1:0]     i5_wb_adr_i;
1175
input   [`TC_BSW-1:0]    i5_wb_sel_i;
1176
input                   i5_wb_we_i;
1177
input   [`TC_DW-1:0]     i5_wb_dat_i;
1178
output  [`TC_DW-1:0]     i5_wb_dat_o;
1179
output                  i5_wb_ack_o;
1180
output                  i5_wb_err_o;
1181
 
1182
//
1183
// WB slave i/f connecting initiator 6
1184
//
1185
input                   i6_wb_cyc_i;
1186
input                   i6_wb_stb_i;
1187
input                   i6_wb_cab_i;
1188
input   [`TC_AW-1:0]     i6_wb_adr_i;
1189
input   [`TC_BSW-1:0]    i6_wb_sel_i;
1190
input                   i6_wb_we_i;
1191
input   [`TC_DW-1:0]     i6_wb_dat_i;
1192
output  [`TC_DW-1:0]     i6_wb_dat_o;
1193
output                  i6_wb_ack_o;
1194
output                  i6_wb_err_o;
1195
 
1196
//
1197
// WB slave i/f connecting initiator 7
1198
//
1199
input                   i7_wb_cyc_i;
1200
input                   i7_wb_stb_i;
1201
input                   i7_wb_cab_i;
1202
input   [`TC_AW-1:0]     i7_wb_adr_i;
1203
input   [`TC_BSW-1:0]    i7_wb_sel_i;
1204
input                   i7_wb_we_i;
1205
input   [`TC_DW-1:0]     i7_wb_dat_i;
1206
output  [`TC_DW-1:0]     i7_wb_dat_o;
1207
output                  i7_wb_ack_o;
1208
output                  i7_wb_err_o;
1209
 
1210
//
1211
// WB master i/f connecting target
1212
//
1213
output                  t0_wb_cyc_o;
1214
output                  t0_wb_stb_o;
1215
output                  t0_wb_cab_o;
1216
output  [`TC_AW-1:0]     t0_wb_adr_o;
1217
output  [`TC_BSW-1:0]    t0_wb_sel_o;
1218
output                  t0_wb_we_o;
1219
output  [`TC_DW-1:0]     t0_wb_dat_o;
1220
input   [`TC_DW-1:0]     t0_wb_dat_i;
1221
input                   t0_wb_ack_i;
1222
input                   t0_wb_err_i;
1223
 
1224
//
1225
// Internal wires & registers
1226
//
1227
wire    [`TC_IIN_W-1:0]  i0_in, i1_in,
1228
                        i2_in, i3_in,
1229
                        i4_in, i5_in,
1230
                        i6_in, i7_in;
1231
wire    [`TC_TIN_W-1:0]  i0_out, i1_out,
1232
                        i2_out, i3_out,
1233
                        i4_out, i5_out,
1234
                        i6_out, i7_out;
1235
wire    [`TC_IIN_W-1:0]  t0_out;
1236
wire    [`TC_TIN_W-1:0]  t0_in;
1237
wire    [7:0]            req_i;
1238
wire    [2:0]            req_won;
1239
reg                     req_cont;
1240
reg     [2:0]            req_r;
1241
 
1242
//
1243
// Group WB initiator 0 i/f inputs and outputs
1244
//
1245
assign i0_in = {i0_wb_cyc_i, i0_wb_stb_i, i0_wb_cab_i, i0_wb_adr_i,
1246
                i0_wb_sel_i, i0_wb_we_i, i0_wb_dat_i};
1247
assign {i0_wb_dat_o, i0_wb_ack_o, i0_wb_err_o} = i0_out;
1248
 
1249
//
1250
// Group WB initiator 1 i/f inputs and outputs
1251
//
1252
assign i1_in = {i1_wb_cyc_i, i1_wb_stb_i, i1_wb_cab_i, i1_wb_adr_i,
1253
                i1_wb_sel_i, i1_wb_we_i, i1_wb_dat_i};
1254
assign {i1_wb_dat_o, i1_wb_ack_o, i1_wb_err_o} = i1_out;
1255
 
1256
//
1257
// Group WB initiator 2 i/f inputs and outputs
1258
//
1259
assign i2_in = {i2_wb_cyc_i, i2_wb_stb_i, i2_wb_cab_i, i2_wb_adr_i,
1260
                i2_wb_sel_i, i2_wb_we_i, i2_wb_dat_i};
1261
assign {i2_wb_dat_o, i2_wb_ack_o, i2_wb_err_o} = i2_out;
1262
 
1263
//
1264
// Group WB initiator 3 i/f inputs and outputs
1265
//
1266
assign i3_in = {i3_wb_cyc_i, i3_wb_stb_i, i3_wb_cab_i, i3_wb_adr_i,
1267
                i3_wb_sel_i, i3_wb_we_i, i3_wb_dat_i};
1268
assign {i3_wb_dat_o, i3_wb_ack_o, i3_wb_err_o} = i3_out;
1269
 
1270
//
1271
// Group WB initiator 4 i/f inputs and outputs
1272
//
1273
assign i4_in = {i4_wb_cyc_i, i4_wb_stb_i, i4_wb_cab_i, i4_wb_adr_i,
1274
                i4_wb_sel_i, i4_wb_we_i, i4_wb_dat_i};
1275
assign {i4_wb_dat_o, i4_wb_ack_o, i4_wb_err_o} = i4_out;
1276
 
1277
//
1278
// Group WB initiator 5 i/f inputs and outputs
1279
//
1280
assign i5_in = {i5_wb_cyc_i, i5_wb_stb_i, i5_wb_cab_i, i5_wb_adr_i,
1281
                i5_wb_sel_i, i5_wb_we_i, i5_wb_dat_i};
1282
assign {i5_wb_dat_o, i5_wb_ack_o, i5_wb_err_o} = i5_out;
1283
 
1284
//
1285
// Group WB initiator 6 i/f inputs and outputs
1286
//
1287
assign i6_in = {i6_wb_cyc_i, i6_wb_stb_i, i6_wb_cab_i, i6_wb_adr_i,
1288
                i6_wb_sel_i, i6_wb_we_i, i6_wb_dat_i};
1289
assign {i6_wb_dat_o, i6_wb_ack_o, i6_wb_err_o} = i6_out;
1290
 
1291
//
1292
// Group WB initiator 7 i/f inputs and outputs
1293
//
1294
assign i7_in = {i7_wb_cyc_i, i7_wb_stb_i, i7_wb_cab_i, i7_wb_adr_i,
1295
                i7_wb_sel_i, i7_wb_we_i, i7_wb_dat_i};
1296
assign {i7_wb_dat_o, i7_wb_ack_o, i7_wb_err_o} = i7_out;
1297
 
1298
//
1299
// Group WB target 0 i/f inputs and outputs
1300
//
1301
assign {t0_wb_cyc_o, t0_wb_stb_o, t0_wb_cab_o, t0_wb_adr_o,
1302
                t0_wb_sel_o, t0_wb_we_o, t0_wb_dat_o} = t0_out;
1303
assign t0_in = {t0_wb_dat_i, t0_wb_ack_i, t0_wb_err_i};
1304
 
1305
//
1306
// Assign to WB initiator i/f outputs
1307
//
1308
// Either inputs from the target are assigned or zeros.
1309
//
1310
assign i0_out = (req_won == 3'd0) ? t0_in : {`TC_TIN_W{1'b0}};
1311
assign i1_out = (req_won == 3'd1) ? t0_in : {`TC_TIN_W{1'b0}};
1312
assign i2_out = (req_won == 3'd2) ? t0_in : {`TC_TIN_W{1'b0}};
1313
assign i3_out = (req_won == 3'd3) ? t0_in : {`TC_TIN_W{1'b0}};
1314
assign i4_out = (req_won == 3'd4) ? t0_in : {`TC_TIN_W{1'b0}};
1315
assign i5_out = (req_won == 3'd5) ? t0_in : {`TC_TIN_W{1'b0}};
1316
assign i6_out = (req_won == 3'd6) ? t0_in : {`TC_TIN_W{1'b0}};
1317
assign i7_out = (req_won == 3'd7) ? t0_in : {`TC_TIN_W{1'b0}};
1318
 
1319
//
1320
// Assign to WB target i/f outputs
1321
//
1322
// Assign inputs from initiator to target outputs according to
1323
// which initiator has won. If there is no request for the target,
1324
// assign zeros.
1325
//
1326
assign t0_out = (req_won == 3'd0) ? i0_in :
1327
                (req_won == 3'd1) ? i1_in :
1328
                (req_won == 3'd2) ? i2_in :
1329
                (req_won == 3'd3) ? i3_in :
1330
                (req_won == 3'd4) ? i4_in :
1331
                (req_won == 3'd5) ? i5_in :
1332
                (req_won == 3'd6) ? i6_in :
1333
                (req_won == 3'd7) ? i7_in : {`TC_IIN_W{1'b0}};
1334
 
1335
//
1336
// Determine if an initiator has address of the target.
1337
//
1338
assign req_i[0] = i0_wb_cyc_i &
1339
        ((i0_wb_adr_i[`TC_AW-1:`TC_AW-t0_addr_w] == t0_addr) |
1340
         multitarg & (i0_wb_adr_i[`TC_AW-1:`TC_AW-t17_addr_w] == t17_addr));
1341
assign req_i[1] = i1_wb_cyc_i &
1342
        ((i1_wb_adr_i[`TC_AW-1:`TC_AW-t0_addr_w] == t0_addr) |
1343
         multitarg & (i1_wb_adr_i[`TC_AW-1:`TC_AW-t17_addr_w] == t17_addr));
1344
assign req_i[2] = i2_wb_cyc_i &
1345
        ((i2_wb_adr_i[`TC_AW-1:`TC_AW-t0_addr_w] == t0_addr) |
1346
         multitarg & (i2_wb_adr_i[`TC_AW-1:`TC_AW-t17_addr_w] == t17_addr));
1347
assign req_i[3] = i3_wb_cyc_i &
1348
        ((i3_wb_adr_i[`TC_AW-1:`TC_AW-t0_addr_w] == t0_addr) |
1349
         multitarg & (i3_wb_adr_i[`TC_AW-1:`TC_AW-t17_addr_w] == t17_addr));
1350
assign req_i[4] = i4_wb_cyc_i &
1351
        ((i4_wb_adr_i[`TC_AW-1:`TC_AW-t0_addr_w] == t0_addr) |
1352
         multitarg & (i4_wb_adr_i[`TC_AW-1:`TC_AW-t17_addr_w] == t17_addr));
1353
assign req_i[5] = i5_wb_cyc_i &
1354
        ((i5_wb_adr_i[`TC_AW-1:`TC_AW-t0_addr_w] == t0_addr) |
1355
         multitarg & (i5_wb_adr_i[`TC_AW-1:`TC_AW-t17_addr_w] == t17_addr));
1356
assign req_i[6] = i6_wb_cyc_i &
1357
        ((i6_wb_adr_i[`TC_AW-1:`TC_AW-t0_addr_w] == t0_addr) |
1358
         multitarg & (i6_wb_adr_i[`TC_AW-1:`TC_AW-t17_addr_w] == t17_addr));
1359
assign req_i[7] = i7_wb_cyc_i &
1360
        ((i7_wb_adr_i[`TC_AW-1:`TC_AW-t0_addr_w] == t0_addr) |
1361
         multitarg & (i7_wb_adr_i[`TC_AW-1:`TC_AW-t17_addr_w] == t17_addr));
1362
 
1363
//
1364
// Determine who gets current access to the target.
1365
//
1366
// If current initiator still asserts request, do nothing
1367
// (keep current initiator).
1368
// Otherwise check each initiator's request, starting from initiator 0
1369
// (highest priority).
1370
// If there is no requests from initiators, park initiator 0.
1371
//
1372
assign req_won = req_cont ? req_r :
1373
                 req_i[0] ? 3'd0 :
1374
                 req_i[1] ? 3'd1 :
1375
                 req_i[2] ? 3'd2 :
1376
                 req_i[3] ? 3'd3 :
1377
                 req_i[4] ? 3'd4 :
1378
                 req_i[5] ? 3'd5 :
1379
                 req_i[6] ? 3'd6 :
1380
                 req_i[7] ? 3'd7 : 3'd0;
1381
 
1382
//
1383
// Check if current initiator still wants access to the target and if
1384
// it does, assert req_cont.
1385
//
1386
always @(req_r or req_i)
1387
        case (req_r)    // synopsys parallel_case
1388
                3'd0: req_cont = req_i[0];
1389
                3'd1: req_cont = req_i[1];
1390
                3'd2: req_cont = req_i[2];
1391
                3'd3: req_cont = req_i[3];
1392
                3'd4: req_cont = req_i[4];
1393
                3'd5: req_cont = req_i[5];
1394
                3'd6: req_cont = req_i[6];
1395
                3'd7: req_cont = req_i[7];
1396
        endcase
1397
 
1398
//
1399
// Register who has current access to the target.
1400
//
1401
always @(posedge wb_clk_i or posedge wb_rst_i)
1402
        if (wb_rst_i)
1403
                req_r <= #1 3'd0;
1404
        else
1405
                req_r <= #1 req_won;
1406
 
1407
endmodule
1408
 
1409
//
1410
// Single initiator to multiple targets
1411
//
1412
module tc_si_to_mt (
1413
 
1414
        i0_wb_cyc_i,
1415
        i0_wb_stb_i,
1416
        i0_wb_cab_i,
1417
        i0_wb_adr_i,
1418
        i0_wb_sel_i,
1419
        i0_wb_we_i,
1420
        i0_wb_dat_i,
1421
        i0_wb_dat_o,
1422
        i0_wb_ack_o,
1423
        i0_wb_err_o,
1424
 
1425
        t0_wb_cyc_o,
1426
        t0_wb_stb_o,
1427
        t0_wb_cab_o,
1428
        t0_wb_adr_o,
1429
        t0_wb_sel_o,
1430
        t0_wb_we_o,
1431
        t0_wb_dat_o,
1432
        t0_wb_dat_i,
1433
        t0_wb_ack_i,
1434
        t0_wb_err_i,
1435
 
1436
        t1_wb_cyc_o,
1437
        t1_wb_stb_o,
1438
        t1_wb_cab_o,
1439
        t1_wb_adr_o,
1440
        t1_wb_sel_o,
1441
        t1_wb_we_o,
1442
        t1_wb_dat_o,
1443
        t1_wb_dat_i,
1444
        t1_wb_ack_i,
1445
        t1_wb_err_i,
1446
 
1447
        t2_wb_cyc_o,
1448
        t2_wb_stb_o,
1449
        t2_wb_cab_o,
1450
        t2_wb_adr_o,
1451
        t2_wb_sel_o,
1452
        t2_wb_we_o,
1453
        t2_wb_dat_o,
1454
        t2_wb_dat_i,
1455
        t2_wb_ack_i,
1456
        t2_wb_err_i,
1457
 
1458
        t3_wb_cyc_o,
1459
        t3_wb_stb_o,
1460
        t3_wb_cab_o,
1461
        t3_wb_adr_o,
1462
        t3_wb_sel_o,
1463
        t3_wb_we_o,
1464
        t3_wb_dat_o,
1465
        t3_wb_dat_i,
1466
        t3_wb_ack_i,
1467
        t3_wb_err_i,
1468
 
1469
        t4_wb_cyc_o,
1470
        t4_wb_stb_o,
1471
        t4_wb_cab_o,
1472
        t4_wb_adr_o,
1473
        t4_wb_sel_o,
1474
        t4_wb_we_o,
1475
        t4_wb_dat_o,
1476
        t4_wb_dat_i,
1477
        t4_wb_ack_i,
1478
        t4_wb_err_i,
1479
 
1480
        t5_wb_cyc_o,
1481
        t5_wb_stb_o,
1482
        t5_wb_cab_o,
1483
        t5_wb_adr_o,
1484
        t5_wb_sel_o,
1485
        t5_wb_we_o,
1486
        t5_wb_dat_o,
1487
        t5_wb_dat_i,
1488
        t5_wb_ack_i,
1489
        t5_wb_err_i,
1490
 
1491
        t6_wb_cyc_o,
1492
        t6_wb_stb_o,
1493
        t6_wb_cab_o,
1494
        t6_wb_adr_o,
1495
        t6_wb_sel_o,
1496
        t6_wb_we_o,
1497
        t6_wb_dat_o,
1498
        t6_wb_dat_i,
1499
        t6_wb_ack_i,
1500
        t6_wb_err_i,
1501
 
1502
        t7_wb_cyc_o,
1503
        t7_wb_stb_o,
1504
        t7_wb_cab_o,
1505
        t7_wb_adr_o,
1506
        t7_wb_sel_o,
1507
        t7_wb_we_o,
1508
        t7_wb_dat_o,
1509
        t7_wb_dat_i,
1510
        t7_wb_ack_i,
1511
        t7_wb_err_i
1512
 
1513
);
1514
 
1515
//
1516
// Parameters
1517
//
1518
parameter               t0_addr_w = 3;
1519
parameter               t0_addr = 3'd0;
1520
parameter               t17_addr_w = 3;
1521
parameter               t1_addr = 3'd1;
1522
parameter               t2_addr = 3'd2;
1523
parameter               t3_addr = 3'd3;
1524
parameter               t4_addr = 3'd4;
1525
parameter               t5_addr = 3'd5;
1526
parameter               t6_addr = 3'd6;
1527
parameter               t7_addr = 3'd7;
1528
 
1529
//
1530
// I/O Ports
1531
//
1532
 
1533
//
1534
// WB slave i/f connecting initiator 0
1535
//
1536
input                   i0_wb_cyc_i;
1537
input                   i0_wb_stb_i;
1538
input                   i0_wb_cab_i;
1539
input   [`TC_AW-1:0]     i0_wb_adr_i;
1540
input   [`TC_BSW-1:0]    i0_wb_sel_i;
1541
input                   i0_wb_we_i;
1542
input   [`TC_DW-1:0]     i0_wb_dat_i;
1543
output  [`TC_DW-1:0]     i0_wb_dat_o;
1544
output                  i0_wb_ack_o;
1545
output                  i0_wb_err_o;
1546
 
1547
//
1548
// WB master i/f connecting target 0
1549
//
1550
output                  t0_wb_cyc_o;
1551
output                  t0_wb_stb_o;
1552
output                  t0_wb_cab_o;
1553
output  [`TC_AW-1:0]     t0_wb_adr_o;
1554
output  [`TC_BSW-1:0]    t0_wb_sel_o;
1555
output                  t0_wb_we_o;
1556
output  [`TC_DW-1:0]     t0_wb_dat_o;
1557
input   [`TC_DW-1:0]     t0_wb_dat_i;
1558
input                   t0_wb_ack_i;
1559
input                   t0_wb_err_i;
1560
 
1561
//
1562
// WB master i/f connecting target 1
1563
//
1564
output                  t1_wb_cyc_o;
1565
output                  t1_wb_stb_o;
1566
output                  t1_wb_cab_o;
1567
output  [`TC_AW-1:0]     t1_wb_adr_o;
1568
output  [`TC_BSW-1:0]    t1_wb_sel_o;
1569
output                  t1_wb_we_o;
1570
output  [`TC_DW-1:0]     t1_wb_dat_o;
1571
input   [`TC_DW-1:0]     t1_wb_dat_i;
1572
input                   t1_wb_ack_i;
1573
input                   t1_wb_err_i;
1574
 
1575
//
1576
// WB master i/f connecting target 2
1577
//
1578
output                  t2_wb_cyc_o;
1579
output                  t2_wb_stb_o;
1580
output                  t2_wb_cab_o;
1581
output  [`TC_AW-1:0]     t2_wb_adr_o;
1582
output  [`TC_BSW-1:0]    t2_wb_sel_o;
1583
output                  t2_wb_we_o;
1584
output  [`TC_DW-1:0]     t2_wb_dat_o;
1585
input   [`TC_DW-1:0]     t2_wb_dat_i;
1586
input                   t2_wb_ack_i;
1587
input                   t2_wb_err_i;
1588
 
1589
//
1590
// WB master i/f connecting target 3
1591
//
1592
output                  t3_wb_cyc_o;
1593
output                  t3_wb_stb_o;
1594
output                  t3_wb_cab_o;
1595
output  [`TC_AW-1:0]     t3_wb_adr_o;
1596
output  [`TC_BSW-1:0]    t3_wb_sel_o;
1597
output                  t3_wb_we_o;
1598
output  [`TC_DW-1:0]     t3_wb_dat_o;
1599
input   [`TC_DW-1:0]     t3_wb_dat_i;
1600
input                   t3_wb_ack_i;
1601
input                   t3_wb_err_i;
1602
 
1603
//
1604
// WB master i/f connecting target 4
1605
//
1606
output                  t4_wb_cyc_o;
1607
output                  t4_wb_stb_o;
1608
output                  t4_wb_cab_o;
1609
output  [`TC_AW-1:0]     t4_wb_adr_o;
1610
output  [`TC_BSW-1:0]    t4_wb_sel_o;
1611
output                  t4_wb_we_o;
1612
output  [`TC_DW-1:0]     t4_wb_dat_o;
1613
input   [`TC_DW-1:0]     t4_wb_dat_i;
1614
input                   t4_wb_ack_i;
1615
input                   t4_wb_err_i;
1616
 
1617
//
1618
// WB master i/f connecting target 5
1619
//
1620
output                  t5_wb_cyc_o;
1621
output                  t5_wb_stb_o;
1622
output                  t5_wb_cab_o;
1623
output  [`TC_AW-1:0]     t5_wb_adr_o;
1624
output  [`TC_BSW-1:0]    t5_wb_sel_o;
1625
output                  t5_wb_we_o;
1626
output  [`TC_DW-1:0]     t5_wb_dat_o;
1627
input   [`TC_DW-1:0]     t5_wb_dat_i;
1628
input                   t5_wb_ack_i;
1629
input                   t5_wb_err_i;
1630
 
1631
//
1632
// WB master i/f connecting target 6
1633
//
1634
output                  t6_wb_cyc_o;
1635
output                  t6_wb_stb_o;
1636
output                  t6_wb_cab_o;
1637
output  [`TC_AW-1:0]     t6_wb_adr_o;
1638
output  [`TC_BSW-1:0]    t6_wb_sel_o;
1639
output                  t6_wb_we_o;
1640
output  [`TC_DW-1:0]     t6_wb_dat_o;
1641
input   [`TC_DW-1:0]     t6_wb_dat_i;
1642
input                   t6_wb_ack_i;
1643
input                   t6_wb_err_i;
1644
 
1645
//
1646
// WB master i/f connecting target 7
1647
//
1648
output                  t7_wb_cyc_o;
1649
output                  t7_wb_stb_o;
1650
output                  t7_wb_cab_o;
1651
output  [`TC_AW-1:0]     t7_wb_adr_o;
1652
output  [`TC_BSW-1:0]    t7_wb_sel_o;
1653
output                  t7_wb_we_o;
1654
output  [`TC_DW-1:0]     t7_wb_dat_o;
1655
input   [`TC_DW-1:0]     t7_wb_dat_i;
1656
input                   t7_wb_ack_i;
1657
input                   t7_wb_err_i;
1658
 
1659
//
1660
// Internal wires & registers
1661
//
1662
wire    [`TC_IIN_W-1:0]  i0_in;
1663
wire    [`TC_TIN_W-1:0]  i0_out;
1664
wire    [`TC_IIN_W-1:0]  t0_out, t1_out,
1665
                        t2_out, t3_out,
1666
                        t4_out, t5_out,
1667
                        t6_out, t7_out;
1668
wire    [`TC_TIN_W-1:0]  t0_in, t1_in,
1669
                        t2_in, t3_in,
1670
                        t4_in, t5_in,
1671
                        t6_in, t7_in;
1672
wire    [7:0]            req_t;
1673
 
1674
//
1675
// Group WB initiator 0 i/f inputs and outputs
1676
//
1677
assign i0_in = {i0_wb_cyc_i, i0_wb_stb_i, i0_wb_cab_i, i0_wb_adr_i,
1678
                i0_wb_sel_i, i0_wb_we_i, i0_wb_dat_i};
1679
assign {i0_wb_dat_o, i0_wb_ack_o, i0_wb_err_o} = i0_out;
1680
 
1681
//
1682
// Group WB target 0 i/f inputs and outputs
1683
//
1684
assign {t0_wb_cyc_o, t0_wb_stb_o, t0_wb_cab_o, t0_wb_adr_o,
1685
                t0_wb_sel_o, t0_wb_we_o, t0_wb_dat_o} = t0_out;
1686
assign t0_in = {t0_wb_dat_i, t0_wb_ack_i, t0_wb_err_i};
1687
 
1688
//
1689
// Group WB target 1 i/f inputs and outputs
1690
//
1691
assign {t1_wb_cyc_o, t1_wb_stb_o, t1_wb_cab_o, t1_wb_adr_o,
1692
                t1_wb_sel_o, t1_wb_we_o, t1_wb_dat_o} = t1_out;
1693
assign t1_in = {t1_wb_dat_i, t1_wb_ack_i, t1_wb_err_i};
1694
 
1695
//
1696
// Group WB target 2 i/f inputs and outputs
1697
//
1698
assign {t2_wb_cyc_o, t2_wb_stb_o, t2_wb_cab_o, t2_wb_adr_o,
1699
                t2_wb_sel_o, t2_wb_we_o, t2_wb_dat_o} = t2_out;
1700
assign t2_in = {t2_wb_dat_i, t2_wb_ack_i, t2_wb_err_i};
1701
 
1702
//
1703
// Group WB target 3 i/f inputs and outputs
1704
//
1705
assign {t3_wb_cyc_o, t3_wb_stb_o, t3_wb_cab_o, t3_wb_adr_o,
1706
                t3_wb_sel_o, t3_wb_we_o, t3_wb_dat_o} = t3_out;
1707
assign t3_in = {t3_wb_dat_i, t3_wb_ack_i, t3_wb_err_i};
1708
 
1709
//
1710
// Group WB target 4 i/f inputs and outputs
1711
//
1712
assign {t4_wb_cyc_o, t4_wb_stb_o, t4_wb_cab_o, t4_wb_adr_o,
1713
                t4_wb_sel_o, t4_wb_we_o, t4_wb_dat_o} = t4_out;
1714
assign t4_in = {t4_wb_dat_i, t4_wb_ack_i, t4_wb_err_i};
1715
 
1716
//
1717
// Group WB target 5 i/f inputs and outputs
1718
//
1719
assign {t5_wb_cyc_o, t5_wb_stb_o, t5_wb_cab_o, t5_wb_adr_o,
1720
                t5_wb_sel_o, t5_wb_we_o, t5_wb_dat_o} = t5_out;
1721
assign t5_in = {t5_wb_dat_i, t5_wb_ack_i, t5_wb_err_i};
1722
 
1723
//
1724
// Group WB target 6 i/f inputs and outputs
1725
//
1726
assign {t6_wb_cyc_o, t6_wb_stb_o, t6_wb_cab_o, t6_wb_adr_o,
1727
                t6_wb_sel_o, t6_wb_we_o, t6_wb_dat_o} = t6_out;
1728
assign t6_in = {t6_wb_dat_i, t6_wb_ack_i, t6_wb_err_i};
1729
 
1730
//
1731
// Group WB target 7 i/f inputs and outputs
1732
//
1733
assign {t7_wb_cyc_o, t7_wb_stb_o, t7_wb_cab_o, t7_wb_adr_o,
1734
                t7_wb_sel_o, t7_wb_we_o, t7_wb_dat_o} = t7_out;
1735
assign t7_in = {t7_wb_dat_i, t7_wb_ack_i, t7_wb_err_i};
1736
 
1737
//
1738
// Assign to WB target i/f outputs
1739
//
1740
// Either inputs from the initiator are assigned or zeros.
1741
//
1742
assign t0_out = req_t[0] ? i0_in : {`TC_IIN_W{1'b0}};
1743
assign t1_out = req_t[1] ? i0_in : {`TC_IIN_W{1'b0}};
1744
assign t2_out = req_t[2] ? i0_in : {`TC_IIN_W{1'b0}};
1745
assign t3_out = req_t[3] ? i0_in : {`TC_IIN_W{1'b0}};
1746
assign t4_out = req_t[4] ? i0_in : {`TC_IIN_W{1'b0}};
1747
assign t5_out = req_t[5] ? i0_in : {`TC_IIN_W{1'b0}};
1748
assign t6_out = req_t[6] ? i0_in : {`TC_IIN_W{1'b0}};
1749
assign t7_out = req_t[7] ? i0_in : {`TC_IIN_W{1'b0}};
1750
 
1751
//
1752
// Assign to WB initiator i/f outputs
1753
//
1754
// Assign inputs from target to initiator outputs according to
1755
// which target is accessed. If there is no request for a target,
1756
// assign zeros.
1757
//
1758
assign i0_out = req_t[0] ? t0_in :
1759
                req_t[1] ? t1_in :
1760
                req_t[2] ? t2_in :
1761
                req_t[3] ? t3_in :
1762
                req_t[4] ? t4_in :
1763
                req_t[5] ? t5_in :
1764
                req_t[6] ? t6_in :
1765
                req_t[7] ? t7_in : {`TC_TIN_W{1'b0}};
1766
 
1767
//
1768
// Determine which target is being accessed.
1769
//
1770
assign req_t[0] = i0_wb_cyc_i & (i0_wb_adr_i[`TC_AW-1:`TC_AW-t0_addr_w] == t0_addr);
1771
assign req_t[1] = i0_wb_cyc_i & (i0_wb_adr_i[`TC_AW-1:`TC_AW-t17_addr_w] == t1_addr);
1772
assign req_t[2] = i0_wb_cyc_i & (i0_wb_adr_i[`TC_AW-1:`TC_AW-t17_addr_w] == t2_addr);
1773
assign req_t[3] = i0_wb_cyc_i & (i0_wb_adr_i[`TC_AW-1:`TC_AW-t17_addr_w] == t3_addr);
1774
assign req_t[4] = i0_wb_cyc_i & (i0_wb_adr_i[`TC_AW-1:`TC_AW-t17_addr_w] == t4_addr);
1775
assign req_t[5] = i0_wb_cyc_i & (i0_wb_adr_i[`TC_AW-1:`TC_AW-t17_addr_w] == t5_addr);
1776
assign req_t[6] = i0_wb_cyc_i & (i0_wb_adr_i[`TC_AW-1:`TC_AW-t17_addr_w] == t6_addr);
1777
assign req_t[7] = i0_wb_cyc_i & (i0_wb_adr_i[`TC_AW-1:`TC_AW-t17_addr_w] == t7_addr);
1778
 
1779
endmodule

powered by: WebSVN 2.1.0

© copyright 1999-2025 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.