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[/] [openrisc/] [trunk/] [orpsocv2/] [rtl/] [verilog/] [ethmac/] [eth_registers.v] - Blame information for rev 476

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1 6 julius
//////////////////////////////////////////////////////////////////////
2
////                                                              ////
3
////  eth_registers.v                                             ////
4
////                                                              ////
5
////  This file is part of the Ethernet IP core project           ////
6 409 julius
////  http://www.opencores.org/project,ethmac                   ////
7 6 julius
////                                                              ////
8
////  Author(s):                                                  ////
9
////      - Igor Mohor (igorM@opencores.org)                      ////
10
////                                                              ////
11
////  All additional information is avaliable in the Readme.txt   ////
12
////  file.                                                       ////
13
////                                                              ////
14
//////////////////////////////////////////////////////////////////////
15
////                                                              ////
16
//// Copyright (C) 2001, 2002 Authors                             ////
17
////                                                              ////
18
//// This source file may be used and distributed without         ////
19
//// restriction provided that this copyright statement is not    ////
20
//// removed from the file and that any derivative work contains  ////
21
//// the original copyright notice and the associated disclaimer. ////
22
////                                                              ////
23
//// This source file is free software; you can redistribute it   ////
24
//// and/or modify it under the terms of the GNU Lesser General   ////
25
//// Public License as published by the Free Software Foundation; ////
26
//// either version 2.1 of the License, or (at your option) any   ////
27
//// later version.                                               ////
28
////                                                              ////
29
//// This source is distributed in the hope that it will be       ////
30
//// useful, but WITHOUT ANY WARRANTY; without even the implied   ////
31
//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////
32
//// PURPOSE.  See the GNU Lesser General Public License for more ////
33
//// details.                                                     ////
34
////                                                              ////
35
//// You should have received a copy of the GNU Lesser General    ////
36
//// Public License along with this source; if not, download it   ////
37
//// from http://www.opencores.org/lgpl.shtml                     ////
38
////                                                              ////
39
//////////////////////////////////////////////////////////////////////
40
//
41
// CVS Revision History
42
//
43 403 julius
// $Log: not supported by cvs2svn $
44 6 julius
// Revision 1.28  2004/04/26 15:26:23  igorm
45
// - Bug connected to the TX_BD_NUM_Wr signal fixed (bug came in with the
46
//   previous update of the core.
47
// - TxBDAddress is set to 0 after the TX is enabled in the MODER register.
48
// - RxBDAddress is set to r_TxBDNum<<1 after the RX is enabled in the MODER
49
//   register. (thanks to Mathias and Torbjorn)
50
// - Multicast reception was fixed. Thanks to Ulrich Gries
51
//
52
// Revision 1.27  2004/04/26 11:42:17  igorm
53
// TX_BD_NUM_Wr error fixed. Error was entered with the last check-in.
54
//
55
// Revision 1.26  2003/11/12 18:24:59  tadejm
56
// WISHBONE slave changed and tested from only 32-bit accesss to byte access.
57
//
58
// Revision 1.25  2003/04/18 16:26:25  mohor
59
// RxBDAddress was updated also when value to r_TxBDNum was written with
60
// greater value than allowed.
61
//
62
// Revision 1.24  2002/11/22 01:57:06  mohor
63
// Rx Flow control fixed. CF flag added to the RX buffer descriptor. RxAbort
64
// synchronized.
65
//
66
// Revision 1.23  2002/11/19 18:13:49  mohor
67
// r_MiiMRst is not used for resetting the MIIM module. wb_rst used instead.
68
//
69
// Revision 1.22  2002/11/14 18:37:20  mohor
70
// r_Rst signal does not reset any module any more and is removed from the design.
71
//
72
// Revision 1.21  2002/09/10 10:35:23  mohor
73
// Ethernet debug registers removed.
74
//
75
// Revision 1.20  2002/09/04 18:40:25  mohor
76
// ETH_TXCTRL and ETH_RXCTRL registers added. Interrupts related to
77
// the control frames connected.
78
//
79
// Revision 1.19  2002/08/19 16:01:40  mohor
80
// Only values smaller or equal to 0x80 can be written to TX_BD_NUM register.
81
// r_TxEn and r_RxEn depend on the limit values of the TX_BD_NUMOut.
82
//
83
// Revision 1.18  2002/08/16 22:28:23  mohor
84
// Syntax error fixed.
85
//
86
// Revision 1.17  2002/08/16 22:23:03  mohor
87
// Syntax error fixed.
88
//
89
// Revision 1.16  2002/08/16 22:14:22  mohor
90
// Synchronous reset added to all registers. Defines used for width. r_MiiMRst
91
// changed from bit position 10 to 9.
92
//
93
// Revision 1.15  2002/08/14 18:26:37  mohor
94
// LinkFailRegister is reflecting the status of the PHY's link fail status bit.
95
//
96
// Revision 1.14  2002/04/22 14:03:44  mohor
97
// Interrupts are visible in the ETH_INT_SOURCE regardless if they are enabled
98
// or not.
99
//
100
// Revision 1.13  2002/02/26 16:18:09  mohor
101
// Reset values are passed to registers through parameters
102
//
103
// Revision 1.12  2002/02/17 13:23:42  mohor
104
// Define missmatch fixed.
105
//
106
// Revision 1.11  2002/02/16 14:03:44  mohor
107
// Registered trimmed. Unused registers removed.
108
//
109
// Revision 1.10  2002/02/15 11:08:25  mohor
110
// File format fixed a bit.
111
//
112
// Revision 1.9  2002/02/14 20:19:41  billditt
113
// Modified for Address Checking,
114
// addition of eth_addrcheck.v
115
//
116
// Revision 1.8  2002/02/12 17:01:19  mohor
117
// HASH0 and HASH1 registers added. 
118
 
119
// Revision 1.7  2002/01/23 10:28:16  mohor
120
// Link in the header changed.
121
//
122
// Revision 1.6  2001/12/05 15:00:16  mohor
123
// RX_BD_NUM changed to TX_BD_NUM (holds number of TX descriptors
124
// instead of the number of RX descriptors).
125
//
126
// Revision 1.5  2001/12/05 10:22:19  mohor
127
// ETH_RX_BD_ADR register deleted. ETH_RX_BD_NUM is used instead.
128
//
129
// Revision 1.4  2001/10/19 08:43:51  mohor
130
// eth_timescale.v changed to timescale.v This is done because of the
131
// simulation of the few cores in a one joined project.
132
//
133
// Revision 1.3  2001/10/18 12:07:11  mohor
134
// Status signals changed, Adress decoding changed, interrupt controller
135
// added.
136
//
137
// Revision 1.2  2001/09/24 15:02:56  mohor
138
// Defines changed (All precede with ETH_). Small changes because some
139
// tools generate warnings when two operands are together. Synchronization
140
// between two clocks domains in eth_wishbonedma.v is changed (due to ASIC
141
// demands).
142
//
143
// Revision 1.1  2001/08/06 14:44:29  mohor
144
// A define FPGA added to select between Artisan RAM (for ASIC) and Block Ram (For Virtex).
145
// Include files fixed to contain no path.
146
// File names and module names changed ta have a eth_ prologue in the name.
147
// File eth_timescale.v is used to define timescale
148
// All pin names on the top module are changed to contain _I, _O or _OE at the end.
149
// Bidirectional signal MDIO is changed to three signals (Mdc_O, Mdi_I, Mdo_O
150
// and Mdo_OE. The bidirectional signal must be created on the top level. This
151
// is done due to the ASIC tools.
152
//
153
// Revision 1.2  2001/08/02 09:25:31  mohor
154
// Unconnected signals are now connected.
155
//
156
// Revision 1.1  2001/07/30 21:23:42  mohor
157
// Directory structure changed. Files checked and joind together.
158
//
159
//
160
//
161
//
162
//
163
//
164
 
165 409 julius
`include "ethmac_defines.v"
166 6 julius
`include "timescale.v"
167
 
168
 
169
module eth_registers( DataIn, Address, Rw, Cs, Clk, Reset, DataOut,
170
                      r_RecSmall, r_Pad, r_HugEn, r_CrcEn, r_DlyCrcEn,
171
                      r_FullD, r_ExDfrEn, r_NoBckof, r_LoopBck, r_IFG,
172
                      r_Pro, r_Iam, r_Bro, r_NoPre, r_TxEn, r_RxEn,
173
                      TxB_IRQ, TxE_IRQ, RxB_IRQ, RxE_IRQ, Busy_IRQ,
174
                      r_IPGT, r_IPGR1, r_IPGR2, r_MinFL, r_MaxFL, r_MaxRet,
175
                      r_CollValid, r_TxFlow, r_RxFlow, r_PassAll,
176
                      r_MiiNoPre, r_ClkDiv, r_WCtrlData, r_RStat, r_ScanStat,
177
                      r_RGAD, r_FIAD, r_CtrlData, NValid_stat, Busy_stat,
178
                      LinkFail, r_MAC, WCtrlDataStart, RStatStart,
179
                      UpdateMIIRX_DATAReg, Prsd, r_TxBDNum, int_o,
180 403 julius
                      r_HASH0, r_HASH1, r_TxPauseTV, r_TxPauseRq, RstTxPauseRq, TxCtrlEndFrm,
181
                      dbg_dat, // jb
182 6 julius
                      StartTxDone, TxClk, RxClk, SetPauseTimer
183
                    );
184
 
185
parameter Tp = 1;
186
 
187
input [31:0] DataIn;
188
input [7:0] Address;
189
 
190
input Rw;
191
input [3:0] Cs;
192
input Clk;
193
input Reset;
194
 
195
input WCtrlDataStart;
196
input RStatStart;
197
 
198
input UpdateMIIRX_DATAReg;
199
input [15:0] Prsd;
200
 
201
output [31:0] DataOut;
202
reg    [31:0] DataOut;
203
 
204
output r_RecSmall;
205
output r_Pad;
206
output r_HugEn;
207
output r_CrcEn;
208
output r_DlyCrcEn;
209
output r_FullD;
210
output r_ExDfrEn;
211
output r_NoBckof;
212
output r_LoopBck;
213
output r_IFG;
214
output r_Pro;
215
output r_Iam;
216
output r_Bro;
217
output r_NoPre;
218
output r_TxEn;
219
output r_RxEn;
220
output [31:0] r_HASH0;
221
output [31:0] r_HASH1;
222
 
223
input TxB_IRQ;
224
input TxE_IRQ;
225
input RxB_IRQ;
226
input RxE_IRQ;
227
input Busy_IRQ;
228
 
229
output [6:0] r_IPGT;
230
 
231
output [6:0] r_IPGR1;
232
 
233
output [6:0] r_IPGR2;
234
 
235
output [15:0] r_MinFL;
236
output [15:0] r_MaxFL;
237
 
238
output [3:0] r_MaxRet;
239
output [5:0] r_CollValid;
240
 
241
output r_TxFlow;
242
output r_RxFlow;
243
output r_PassAll;
244
 
245
output r_MiiNoPre;
246
output [7:0] r_ClkDiv;
247
 
248
output r_WCtrlData;
249
output r_RStat;
250
output r_ScanStat;
251
 
252
output [4:0] r_RGAD;
253
output [4:0] r_FIAD;
254
 
255
output [15:0]r_CtrlData;
256
 
257
 
258
input NValid_stat;
259
input Busy_stat;
260
input LinkFail;
261
 
262
output [47:0]r_MAC;
263
output [7:0] r_TxBDNum;
264
output       int_o;
265
output [15:0]r_TxPauseTV;
266
output       r_TxPauseRq;
267
input        RstTxPauseRq;
268
input        TxCtrlEndFrm;
269
input        StartTxDone;
270
input        TxClk;
271
input        RxClk;
272
input        SetPauseTimer;
273
 
274 403 julius
input [31:0] dbg_dat; // debug data input - JB
275
 
276
 
277 6 julius
reg          irq_txb;
278
reg          irq_txe;
279
reg          irq_rxb;
280
reg          irq_rxe;
281
reg          irq_busy;
282
reg          irq_txc;
283
reg          irq_rxc;
284
 
285
reg SetTxCIrq_txclk;
286
reg SetTxCIrq_sync1, SetTxCIrq_sync2, SetTxCIrq_sync3;
287
reg SetTxCIrq;
288
reg ResetTxCIrq_sync1, ResetTxCIrq_sync2;
289
 
290
reg SetRxCIrq_rxclk;
291
reg SetRxCIrq_sync1, SetRxCIrq_sync2, SetRxCIrq_sync3;
292
reg SetRxCIrq;
293
reg ResetRxCIrq_sync1;
294
reg ResetRxCIrq_sync2;
295
reg ResetRxCIrq_sync3;
296
 
297
wire [3:0] Write =   Cs  & {4{Rw}};
298
wire       Read  = (|Cs) &   ~Rw;
299
 
300
wire MODER_Sel      = (Address == `ETH_MODER_ADR       );
301
wire INT_SOURCE_Sel = (Address == `ETH_INT_SOURCE_ADR  );
302
wire INT_MASK_Sel   = (Address == `ETH_INT_MASK_ADR    );
303
wire IPGT_Sel       = (Address == `ETH_IPGT_ADR        );
304
wire IPGR1_Sel      = (Address == `ETH_IPGR1_ADR       );
305
wire IPGR2_Sel      = (Address == `ETH_IPGR2_ADR       );
306
wire PACKETLEN_Sel  = (Address == `ETH_PACKETLEN_ADR   );
307
wire COLLCONF_Sel   = (Address == `ETH_COLLCONF_ADR    );
308
 
309
wire CTRLMODER_Sel  = (Address == `ETH_CTRLMODER_ADR   );
310
wire MIIMODER_Sel   = (Address == `ETH_MIIMODER_ADR    );
311
wire MIICOMMAND_Sel = (Address == `ETH_MIICOMMAND_ADR  );
312
wire MIIADDRESS_Sel = (Address == `ETH_MIIADDRESS_ADR  );
313
wire MIITX_DATA_Sel = (Address == `ETH_MIITX_DATA_ADR  );
314
wire MAC_ADDR0_Sel  = (Address == `ETH_MAC_ADDR0_ADR   );
315
wire MAC_ADDR1_Sel  = (Address == `ETH_MAC_ADDR1_ADR   );
316
wire HASH0_Sel      = (Address == `ETH_HASH0_ADR       );
317
wire HASH1_Sel      = (Address == `ETH_HASH1_ADR       );
318
wire TXCTRL_Sel     = (Address == `ETH_TX_CTRL_ADR     );
319
wire RXCTRL_Sel     = (Address == `ETH_RX_CTRL_ADR     );
320 403 julius
wire DBG_REG_Sel  = (Address == `ETH_DBG_ADR   ); // JB
321 6 julius
wire TX_BD_NUM_Sel  = (Address == `ETH_TX_BD_NUM_ADR   );
322
 
323
 
324 403 julius
 
325 6 julius
wire [2:0] MODER_Wr;
326
wire [0:0] INT_SOURCE_Wr;
327
wire [0:0] INT_MASK_Wr;
328
wire [0:0] IPGT_Wr;
329
wire [0:0] IPGR1_Wr;
330
wire [0:0] IPGR2_Wr;
331
wire [3:0] PACKETLEN_Wr;
332
wire [2:0] COLLCONF_Wr;
333
wire [0:0] CTRLMODER_Wr;
334
wire [1:0] MIIMODER_Wr;
335
wire [0:0] MIICOMMAND_Wr;
336
wire [1:0] MIIADDRESS_Wr;
337
wire [1:0] MIITX_DATA_Wr;
338
wire       MIIRX_DATA_Wr;
339
wire [3:0] MAC_ADDR0_Wr;
340
wire [1:0] MAC_ADDR1_Wr;
341
wire [3:0] HASH0_Wr;
342
wire [3:0] HASH1_Wr;
343
wire [2:0] TXCTRL_Wr;
344
wire [0:0] TX_BD_NUM_Wr;
345
 
346
assign MODER_Wr[0]       = Write[0]  & MODER_Sel;
347
assign MODER_Wr[1]       = Write[1]  & MODER_Sel;
348
assign MODER_Wr[2]       = Write[2]  & MODER_Sel;
349
assign INT_SOURCE_Wr[0]  = Write[0]  & INT_SOURCE_Sel;
350
assign INT_MASK_Wr[0]    = Write[0]  & INT_MASK_Sel;
351
assign IPGT_Wr[0]        = Write[0]  & IPGT_Sel;
352
assign IPGR1_Wr[0]       = Write[0]  & IPGR1_Sel;
353
assign IPGR2_Wr[0]       = Write[0]  & IPGR2_Sel;
354
assign PACKETLEN_Wr[0]   = Write[0]  & PACKETLEN_Sel;
355
assign PACKETLEN_Wr[1]   = Write[1]  & PACKETLEN_Sel;
356
assign PACKETLEN_Wr[2]   = Write[2]  & PACKETLEN_Sel;
357
assign PACKETLEN_Wr[3]   = Write[3]  & PACKETLEN_Sel;
358
assign COLLCONF_Wr[0]    = Write[0]  & COLLCONF_Sel;
359
assign COLLCONF_Wr[1]    = 1'b0;  // Not used
360
assign COLLCONF_Wr[2]    = Write[2]  & COLLCONF_Sel;
361
 
362
assign CTRLMODER_Wr[0]   = Write[0]  & CTRLMODER_Sel;
363
assign MIIMODER_Wr[0]    = Write[0]  & MIIMODER_Sel;
364
assign MIIMODER_Wr[1]    = Write[1]  & MIIMODER_Sel;
365
assign MIICOMMAND_Wr[0]  = Write[0]  & MIICOMMAND_Sel;
366
assign MIIADDRESS_Wr[0]  = Write[0]  & MIIADDRESS_Sel;
367
assign MIIADDRESS_Wr[1]  = Write[1]  & MIIADDRESS_Sel;
368
assign MIITX_DATA_Wr[0]  = Write[0]  & MIITX_DATA_Sel;
369
assign MIITX_DATA_Wr[1]  = Write[1]  & MIITX_DATA_Sel;
370
assign MIIRX_DATA_Wr     = UpdateMIIRX_DATAReg;
371
assign MAC_ADDR0_Wr[0]   = Write[0]  & MAC_ADDR0_Sel;
372
assign MAC_ADDR0_Wr[1]   = Write[1]  & MAC_ADDR0_Sel;
373
assign MAC_ADDR0_Wr[2]   = Write[2]  & MAC_ADDR0_Sel;
374
assign MAC_ADDR0_Wr[3]   = Write[3]  & MAC_ADDR0_Sel;
375
assign MAC_ADDR1_Wr[0]   = Write[0]  & MAC_ADDR1_Sel;
376
assign MAC_ADDR1_Wr[1]   = Write[1]  & MAC_ADDR1_Sel;
377
assign HASH0_Wr[0]       = Write[0]  & HASH0_Sel;
378
assign HASH0_Wr[1]       = Write[1]  & HASH0_Sel;
379
assign HASH0_Wr[2]       = Write[2]  & HASH0_Sel;
380
assign HASH0_Wr[3]       = Write[3]  & HASH0_Sel;
381
assign HASH1_Wr[0]       = Write[0]  & HASH1_Sel;
382
assign HASH1_Wr[1]       = Write[1]  & HASH1_Sel;
383
assign HASH1_Wr[2]       = Write[2]  & HASH1_Sel;
384
assign HASH1_Wr[3]       = Write[3]  & HASH1_Sel;
385
assign TXCTRL_Wr[0]      = Write[0]  & TXCTRL_Sel;
386
assign TXCTRL_Wr[1]      = Write[1]  & TXCTRL_Sel;
387
assign TXCTRL_Wr[2]      = Write[2]  & TXCTRL_Sel;
388
assign TX_BD_NUM_Wr[0]   = Write[0]  & TX_BD_NUM_Sel & (DataIn<='h80);
389
 
390
 
391
 
392
wire [31:0] MODEROut;
393
wire [31:0] INT_SOURCEOut;
394
wire [31:0] INT_MASKOut;
395
wire [31:0] IPGTOut;
396
wire [31:0] IPGR1Out;
397
wire [31:0] IPGR2Out;
398
wire [31:0] PACKETLENOut;
399
wire [31:0] COLLCONFOut;
400
wire [31:0] CTRLMODEROut;
401
wire [31:0] MIIMODEROut;
402
wire [31:0] MIICOMMANDOut;
403
wire [31:0] MIIADDRESSOut;
404
wire [31:0] MIITX_DATAOut;
405
wire [31:0] MIIRX_DATAOut;
406
wire [31:0] MIISTATUSOut;
407
wire [31:0] MAC_ADDR0Out;
408
wire [31:0] MAC_ADDR1Out;
409
wire [31:0] TX_BD_NUMOut;
410
wire [31:0] HASH0Out;
411
wire [31:0] HASH1Out;
412
wire [31:0] TXCTRLOut;
413 403 julius
wire [31:0] DBGOut;    // JB
414 6 julius
 
415
// MODER Register
416
eth_register #(`ETH_MODER_WIDTH_0, `ETH_MODER_DEF_0)        MODER_0
417
  (
418
   .DataIn    (DataIn[`ETH_MODER_WIDTH_0 - 1:0]),
419
   .DataOut   (MODEROut[`ETH_MODER_WIDTH_0 - 1:0]),
420
   .Write     (MODER_Wr[0]),
421
   .Clk       (Clk),
422 403 julius
   .Reset     (Reset),
423
   .SyncReset (1'b0)
424 6 julius
  );
425
eth_register #(`ETH_MODER_WIDTH_1, `ETH_MODER_DEF_1)        MODER_1
426
  (
427
   .DataIn    (DataIn[`ETH_MODER_WIDTH_1 + 7:8]),
428
   .DataOut   (MODEROut[`ETH_MODER_WIDTH_1 + 7:8]),
429
   .Write     (MODER_Wr[1]),
430
   .Clk       (Clk),
431 403 julius
   .Reset     (Reset),
432
   .SyncReset (1'b0)
433 6 julius
  );
434
eth_register #(`ETH_MODER_WIDTH_2, `ETH_MODER_DEF_2)        MODER_2
435
  (
436
   .DataIn    (DataIn[`ETH_MODER_WIDTH_2 + 15:16]),
437
   .DataOut   (MODEROut[`ETH_MODER_WIDTH_2 + 15:16]),
438
   .Write     (MODER_Wr[2]),
439
   .Clk       (Clk),
440 403 julius
   .Reset     (Reset),
441
   .SyncReset (1'b0)
442 6 julius
  );
443
assign MODEROut[31:`ETH_MODER_WIDTH_2 + 16] = 0;
444
 
445
// INT_MASK Register
446
eth_register #(`ETH_INT_MASK_WIDTH_0, `ETH_INT_MASK_DEF_0)  INT_MASK_0
447
  (
448
   .DataIn    (DataIn[`ETH_INT_MASK_WIDTH_0 - 1:0]),
449
   .DataOut   (INT_MASKOut[`ETH_INT_MASK_WIDTH_0 - 1:0]),
450
   .Write     (INT_MASK_Wr[0]),
451
   .Clk       (Clk),
452 403 julius
   .Reset     (Reset),
453
   .SyncReset (1'b0)
454 6 julius
  );
455
assign INT_MASKOut[31:`ETH_INT_MASK_WIDTH_0] = 0;
456 403 julius
 
457 6 julius
// IPGT Register
458
eth_register #(`ETH_IPGT_WIDTH_0, `ETH_IPGT_DEF_0)          IPGT_0
459
  (
460
   .DataIn    (DataIn[`ETH_IPGT_WIDTH_0 - 1:0]),
461
   .DataOut   (IPGTOut[`ETH_IPGT_WIDTH_0 - 1:0]),
462
   .Write     (IPGT_Wr[0]),
463
   .Clk       (Clk),
464 403 julius
   .Reset     (Reset),
465
   .SyncReset (1'b0)
466 6 julius
  );
467
assign IPGTOut[31:`ETH_IPGT_WIDTH_0] = 0;
468 403 julius
 
469 6 julius
// IPGR1 Register
470
eth_register #(`ETH_IPGR1_WIDTH_0, `ETH_IPGR1_DEF_0)        IPGR1_0
471
  (
472
   .DataIn    (DataIn[`ETH_IPGR1_WIDTH_0 - 1:0]),
473
   .DataOut   (IPGR1Out[`ETH_IPGR1_WIDTH_0 - 1:0]),
474
   .Write     (IPGR1_Wr[0]),
475
   .Clk       (Clk),
476 403 julius
   .Reset     (Reset),
477
   .SyncReset (1'b0)
478 6 julius
  );
479
assign IPGR1Out[31:`ETH_IPGR1_WIDTH_0] = 0;
480
 
481
// IPGR2 Register
482
eth_register #(`ETH_IPGR2_WIDTH_0, `ETH_IPGR2_DEF_0)        IPGR2_0
483
  (
484
   .DataIn    (DataIn[`ETH_IPGR2_WIDTH_0 - 1:0]),
485
   .DataOut   (IPGR2Out[`ETH_IPGR2_WIDTH_0 - 1:0]),
486
   .Write     (IPGR2_Wr[0]),
487
   .Clk       (Clk),
488 403 julius
   .Reset     (Reset),
489
   .SyncReset (1'b0)
490 6 julius
  );
491
assign IPGR2Out[31:`ETH_IPGR2_WIDTH_0] = 0;
492
 
493
// PACKETLEN Register
494
eth_register #(`ETH_PACKETLEN_WIDTH_0, `ETH_PACKETLEN_DEF_0) PACKETLEN_0
495
  (
496
   .DataIn    (DataIn[`ETH_PACKETLEN_WIDTH_0 - 1:0]),
497
   .DataOut   (PACKETLENOut[`ETH_PACKETLEN_WIDTH_0 - 1:0]),
498
   .Write     (PACKETLEN_Wr[0]),
499
   .Clk       (Clk),
500 403 julius
   .Reset     (Reset),
501
   .SyncReset (1'b0)
502 6 julius
  );
503
eth_register #(`ETH_PACKETLEN_WIDTH_1, `ETH_PACKETLEN_DEF_1) PACKETLEN_1
504
  (
505
   .DataIn    (DataIn[`ETH_PACKETLEN_WIDTH_1 + 7:8]),
506
   .DataOut   (PACKETLENOut[`ETH_PACKETLEN_WIDTH_1 + 7:8]),
507
   .Write     (PACKETLEN_Wr[1]),
508
   .Clk       (Clk),
509 403 julius
   .Reset     (Reset),
510
   .SyncReset (1'b0)
511 6 julius
  );
512
eth_register #(`ETH_PACKETLEN_WIDTH_2, `ETH_PACKETLEN_DEF_2) PACKETLEN_2
513
  (
514
   .DataIn    (DataIn[`ETH_PACKETLEN_WIDTH_2 + 15:16]),
515
   .DataOut   (PACKETLENOut[`ETH_PACKETLEN_WIDTH_2 + 15:16]),
516
   .Write     (PACKETLEN_Wr[2]),
517
   .Clk       (Clk),
518 403 julius
   .Reset     (Reset),
519
   .SyncReset (1'b0)
520 6 julius
  );
521
eth_register #(`ETH_PACKETLEN_WIDTH_3, `ETH_PACKETLEN_DEF_3) PACKETLEN_3
522
  (
523
   .DataIn    (DataIn[`ETH_PACKETLEN_WIDTH_3 + 23:24]),
524
   .DataOut   (PACKETLENOut[`ETH_PACKETLEN_WIDTH_3 + 23:24]),
525
   .Write     (PACKETLEN_Wr[3]),
526
   .Clk       (Clk),
527 403 julius
   .Reset     (Reset),
528
   .SyncReset (1'b0)
529 6 julius
  );
530
 
531
// COLLCONF Register
532
eth_register #(`ETH_COLLCONF_WIDTH_0, `ETH_COLLCONF_DEF_0)   COLLCONF_0
533
  (
534
   .DataIn    (DataIn[`ETH_COLLCONF_WIDTH_0 - 1:0]),
535
   .DataOut   (COLLCONFOut[`ETH_COLLCONF_WIDTH_0 - 1:0]),
536
   .Write     (COLLCONF_Wr[0]),
537
   .Clk       (Clk),
538 403 julius
   .Reset     (Reset),
539
   .SyncReset (1'b0)
540 6 julius
  );
541
eth_register #(`ETH_COLLCONF_WIDTH_2, `ETH_COLLCONF_DEF_2)   COLLCONF_2
542
  (
543
   .DataIn    (DataIn[`ETH_COLLCONF_WIDTH_2 + 15:16]),
544
   .DataOut   (COLLCONFOut[`ETH_COLLCONF_WIDTH_2 + 15:16]),
545
   .Write     (COLLCONF_Wr[2]),
546
   .Clk       (Clk),
547 403 julius
   .Reset     (Reset),
548
   .SyncReset (1'b0)
549 6 julius
  );
550
assign COLLCONFOut[15:`ETH_COLLCONF_WIDTH_0] = 0;
551
assign COLLCONFOut[31:`ETH_COLLCONF_WIDTH_2 + 16] = 0;
552
 
553
// TX_BD_NUM Register
554
eth_register #(`ETH_TX_BD_NUM_WIDTH_0, `ETH_TX_BD_NUM_DEF_0) TX_BD_NUM_0
555
  (
556
   .DataIn    (DataIn[`ETH_TX_BD_NUM_WIDTH_0 - 1:0]),
557
   .DataOut   (TX_BD_NUMOut[`ETH_TX_BD_NUM_WIDTH_0 - 1:0]),
558
   .Write     (TX_BD_NUM_Wr[0]),
559
   .Clk       (Clk),
560 403 julius
   .Reset     (Reset),
561
   .SyncReset (1'b0)
562 6 julius
  );
563
assign TX_BD_NUMOut[31:`ETH_TX_BD_NUM_WIDTH_0] = 0;
564
 
565
// CTRLMODER Register
566
eth_register #(`ETH_CTRLMODER_WIDTH_0, `ETH_CTRLMODER_DEF_0)  CTRLMODER_0
567
  (
568
   .DataIn    (DataIn[`ETH_CTRLMODER_WIDTH_0 - 1:0]),
569
   .DataOut   (CTRLMODEROut[`ETH_CTRLMODER_WIDTH_0 - 1:0]),
570
   .Write     (CTRLMODER_Wr[0]),
571
   .Clk       (Clk),
572 403 julius
   .Reset     (Reset),
573
   .SyncReset (1'b0)
574 6 julius
  );
575
assign CTRLMODEROut[31:`ETH_CTRLMODER_WIDTH_0] = 0;
576
 
577
// MIIMODER Register
578
eth_register #(`ETH_MIIMODER_WIDTH_0, `ETH_MIIMODER_DEF_0)    MIIMODER_0
579
  (
580
   .DataIn    (DataIn[`ETH_MIIMODER_WIDTH_0 - 1:0]),
581
   .DataOut   (MIIMODEROut[`ETH_MIIMODER_WIDTH_0 - 1:0]),
582
   .Write     (MIIMODER_Wr[0]),
583
   .Clk       (Clk),
584 403 julius
   .Reset     (Reset),
585
   .SyncReset (1'b0)
586 6 julius
  );
587
eth_register #(`ETH_MIIMODER_WIDTH_1, `ETH_MIIMODER_DEF_1)    MIIMODER_1
588
  (
589
   .DataIn    (DataIn[`ETH_MIIMODER_WIDTH_1 + 7:8]),
590
   .DataOut   (MIIMODEROut[`ETH_MIIMODER_WIDTH_1 + 7:8]),
591
   .Write     (MIIMODER_Wr[1]),
592
   .Clk       (Clk),
593 403 julius
   .Reset     (Reset),
594
   .SyncReset (1'b0)
595 6 julius
  );
596
assign MIIMODEROut[31:`ETH_MIIMODER_WIDTH_1 + 8] = 0;
597
 
598
// MIICOMMAND Register
599
eth_register #(1, 0)                                      MIICOMMAND0
600
  (
601
   .DataIn    (DataIn[0]),
602
   .DataOut   (MIICOMMANDOut[0]),
603
   .Write     (MIICOMMAND_Wr[0]),
604
   .Clk       (Clk),
605 403 julius
   .Reset     (Reset),
606
   .SyncReset (1'b0)
607 6 julius
  );
608
eth_register #(1, 0)                                      MIICOMMAND1
609
  (
610
   .DataIn    (DataIn[1]),
611
   .DataOut   (MIICOMMANDOut[1]),
612
   .Write     (MIICOMMAND_Wr[0]),
613
   .Clk       (Clk),
614 403 julius
   .Reset     (Reset),
615
   .SyncReset (RStatStart)
616 6 julius
  );
617
eth_register #(1, 0)                                      MIICOMMAND2
618
  (
619
   .DataIn    (DataIn[2]),
620
   .DataOut   (MIICOMMANDOut[2]),
621
   .Write     (MIICOMMAND_Wr[0]),
622
   .Clk       (Clk),
623 403 julius
   .Reset     (Reset),
624
   .SyncReset (WCtrlDataStart)
625 6 julius
  );
626
assign MIICOMMANDOut[31:`ETH_MIICOMMAND_WIDTH_0] = 29'h0;
627
 
628
// MIIADDRESSRegister
629
eth_register #(`ETH_MIIADDRESS_WIDTH_0, `ETH_MIIADDRESS_DEF_0) MIIADDRESS_0
630
  (
631
   .DataIn    (DataIn[`ETH_MIIADDRESS_WIDTH_0 - 1:0]),
632
   .DataOut   (MIIADDRESSOut[`ETH_MIIADDRESS_WIDTH_0 - 1:0]),
633
   .Write     (MIIADDRESS_Wr[0]),
634
   .Clk       (Clk),
635 403 julius
   .Reset     (Reset),
636
   .SyncReset (1'b0)
637 6 julius
  );
638
eth_register #(`ETH_MIIADDRESS_WIDTH_1, `ETH_MIIADDRESS_DEF_1) MIIADDRESS_1
639
  (
640
   .DataIn    (DataIn[`ETH_MIIADDRESS_WIDTH_1 + 7:8]),
641
   .DataOut   (MIIADDRESSOut[`ETH_MIIADDRESS_WIDTH_1 + 7:8]),
642
   .Write     (MIIADDRESS_Wr[1]),
643
   .Clk       (Clk),
644 403 julius
   .Reset     (Reset),
645
   .SyncReset (1'b0)
646 6 julius
  );
647
assign MIIADDRESSOut[7:`ETH_MIIADDRESS_WIDTH_0] = 0;
648
assign MIIADDRESSOut[31:`ETH_MIIADDRESS_WIDTH_1 + 8] = 0;
649
 
650
// MIITX_DATA Register
651
eth_register #(`ETH_MIITX_DATA_WIDTH_0, `ETH_MIITX_DATA_DEF_0) MIITX_DATA_0
652
  (
653
   .DataIn    (DataIn[`ETH_MIITX_DATA_WIDTH_0 - 1:0]),
654
   .DataOut   (MIITX_DATAOut[`ETH_MIITX_DATA_WIDTH_0 - 1:0]),
655
   .Write     (MIITX_DATA_Wr[0]),
656
   .Clk       (Clk),
657 403 julius
   .Reset     (Reset),
658
   .SyncReset (1'b0)
659 6 julius
  );
660
eth_register #(`ETH_MIITX_DATA_WIDTH_1, `ETH_MIITX_DATA_DEF_1) MIITX_DATA_1
661
  (
662
   .DataIn    (DataIn[`ETH_MIITX_DATA_WIDTH_1 + 7:8]),
663
   .DataOut   (MIITX_DATAOut[`ETH_MIITX_DATA_WIDTH_1 + 7:8]),
664
   .Write     (MIITX_DATA_Wr[1]),
665
   .Clk       (Clk),
666 403 julius
   .Reset     (Reset),
667
   .SyncReset (1'b0)
668 6 julius
  );
669
assign MIITX_DATAOut[31:`ETH_MIITX_DATA_WIDTH_1 + 8] = 0;
670
 
671
// MIIRX_DATA Register
672
eth_register #(`ETH_MIIRX_DATA_WIDTH, `ETH_MIIRX_DATA_DEF) MIIRX_DATA
673
  (
674
   .DataIn    (Prsd[`ETH_MIIRX_DATA_WIDTH-1:0]),
675
   .DataOut   (MIIRX_DATAOut[`ETH_MIIRX_DATA_WIDTH-1:0]),
676
   .Write     (MIIRX_DATA_Wr), // not written from WB
677
   .Clk       (Clk),
678 403 julius
   .Reset     (Reset),
679
   .SyncReset (1'b0)
680 6 julius
  );
681
assign MIIRX_DATAOut[31:`ETH_MIIRX_DATA_WIDTH] = 0;
682
 
683
// MAC_ADDR0 Register
684
eth_register #(`ETH_MAC_ADDR0_WIDTH_0, `ETH_MAC_ADDR0_DEF_0)  MAC_ADDR0_0
685
  (
686
   .DataIn    (DataIn[`ETH_MAC_ADDR0_WIDTH_0 - 1:0]),
687
   .DataOut   (MAC_ADDR0Out[`ETH_MAC_ADDR0_WIDTH_0 - 1:0]),
688
   .Write     (MAC_ADDR0_Wr[0]),
689
   .Clk       (Clk),
690 403 julius
   .Reset     (Reset),
691
   .SyncReset (1'b0)
692 6 julius
  );
693
eth_register #(`ETH_MAC_ADDR0_WIDTH_1, `ETH_MAC_ADDR0_DEF_1)  MAC_ADDR0_1
694
  (
695
   .DataIn    (DataIn[`ETH_MAC_ADDR0_WIDTH_1 + 7:8]),
696
   .DataOut   (MAC_ADDR0Out[`ETH_MAC_ADDR0_WIDTH_1 + 7:8]),
697
   .Write     (MAC_ADDR0_Wr[1]),
698
   .Clk       (Clk),
699 403 julius
   .Reset     (Reset),
700
   .SyncReset (1'b0)
701 6 julius
  );
702
eth_register #(`ETH_MAC_ADDR0_WIDTH_2, `ETH_MAC_ADDR0_DEF_2)  MAC_ADDR0_2
703
  (
704
   .DataIn    (DataIn[`ETH_MAC_ADDR0_WIDTH_2 + 15:16]),
705
   .DataOut   (MAC_ADDR0Out[`ETH_MAC_ADDR0_WIDTH_2 + 15:16]),
706
   .Write     (MAC_ADDR0_Wr[2]),
707
   .Clk       (Clk),
708 403 julius
   .Reset     (Reset),
709
   .SyncReset (1'b0)
710 6 julius
  );
711
eth_register #(`ETH_MAC_ADDR0_WIDTH_3, `ETH_MAC_ADDR0_DEF_3)  MAC_ADDR0_3
712
  (
713
   .DataIn    (DataIn[`ETH_MAC_ADDR0_WIDTH_3 + 23:24]),
714
   .DataOut   (MAC_ADDR0Out[`ETH_MAC_ADDR0_WIDTH_3 + 23:24]),
715
   .Write     (MAC_ADDR0_Wr[3]),
716
   .Clk       (Clk),
717 403 julius
   .Reset     (Reset),
718
   .SyncReset (1'b0)
719 6 julius
  );
720
 
721
// MAC_ADDR1 Register
722
eth_register #(`ETH_MAC_ADDR1_WIDTH_0, `ETH_MAC_ADDR1_DEF_0)  MAC_ADDR1_0
723
  (
724
   .DataIn    (DataIn[`ETH_MAC_ADDR1_WIDTH_0 - 1:0]),
725
   .DataOut   (MAC_ADDR1Out[`ETH_MAC_ADDR1_WIDTH_0 - 1:0]),
726
   .Write     (MAC_ADDR1_Wr[0]),
727
   .Clk       (Clk),
728 403 julius
   .Reset     (Reset),
729
   .SyncReset (1'b0)
730 6 julius
  );
731
eth_register #(`ETH_MAC_ADDR1_WIDTH_1, `ETH_MAC_ADDR1_DEF_1)  MAC_ADDR1_1
732
  (
733
   .DataIn    (DataIn[`ETH_MAC_ADDR1_WIDTH_1 + 7:8]),
734
   .DataOut   (MAC_ADDR1Out[`ETH_MAC_ADDR1_WIDTH_1 + 7:8]),
735
   .Write     (MAC_ADDR1_Wr[1]),
736
   .Clk       (Clk),
737 403 julius
   .Reset     (Reset),
738
   .SyncReset (1'b0)
739 6 julius
  );
740
assign MAC_ADDR1Out[31:`ETH_MAC_ADDR1_WIDTH_1 + 8] = 0;
741 403 julius
 
742 6 julius
// RXHASH0 Register
743
eth_register #(`ETH_HASH0_WIDTH_0, `ETH_HASH0_DEF_0)          RXHASH0_0
744
  (
745
   .DataIn    (DataIn[`ETH_HASH0_WIDTH_0 - 1:0]),
746
   .DataOut   (HASH0Out[`ETH_HASH0_WIDTH_0 - 1:0]),
747
   .Write     (HASH0_Wr[0]),
748
   .Clk       (Clk),
749 403 julius
   .Reset     (Reset),
750
   .SyncReset (1'b0)
751 6 julius
  );
752
eth_register #(`ETH_HASH0_WIDTH_1, `ETH_HASH0_DEF_1)          RXHASH0_1
753
  (
754
   .DataIn    (DataIn[`ETH_HASH0_WIDTH_1 + 7:8]),
755
   .DataOut   (HASH0Out[`ETH_HASH0_WIDTH_1 + 7:8]),
756
   .Write     (HASH0_Wr[1]),
757
   .Clk       (Clk),
758 403 julius
   .Reset     (Reset),
759
   .SyncReset (1'b0)
760 6 julius
  );
761
eth_register #(`ETH_HASH0_WIDTH_2, `ETH_HASH0_DEF_2)          RXHASH0_2
762
  (
763
   .DataIn    (DataIn[`ETH_HASH0_WIDTH_2 + 15:16]),
764
   .DataOut   (HASH0Out[`ETH_HASH0_WIDTH_2 + 15:16]),
765
   .Write     (HASH0_Wr[2]),
766
   .Clk       (Clk),
767 403 julius
   .Reset     (Reset),
768
   .SyncReset (1'b0)
769 6 julius
  );
770
eth_register #(`ETH_HASH0_WIDTH_3, `ETH_HASH0_DEF_3)          RXHASH0_3
771
  (
772
   .DataIn    (DataIn[`ETH_HASH0_WIDTH_3 + 23:24]),
773
   .DataOut   (HASH0Out[`ETH_HASH0_WIDTH_3 + 23:24]),
774
   .Write     (HASH0_Wr[3]),
775
   .Clk       (Clk),
776 403 julius
   .Reset     (Reset),
777
   .SyncReset (1'b0)
778 6 julius
  );
779 403 julius
 
780 6 julius
// RXHASH1 Register
781
eth_register #(`ETH_HASH1_WIDTH_0, `ETH_HASH1_DEF_0)          RXHASH1_0
782
  (
783
   .DataIn    (DataIn[`ETH_HASH1_WIDTH_0 - 1:0]),
784
   .DataOut   (HASH1Out[`ETH_HASH1_WIDTH_0 - 1:0]),
785
   .Write     (HASH1_Wr[0]),
786
   .Clk       (Clk),
787 403 julius
   .Reset     (Reset),
788
   .SyncReset (1'b0)
789 6 julius
  );
790
eth_register #(`ETH_HASH1_WIDTH_1, `ETH_HASH1_DEF_1)          RXHASH1_1
791
  (
792
   .DataIn    (DataIn[`ETH_HASH1_WIDTH_1 + 7:8]),
793
   .DataOut   (HASH1Out[`ETH_HASH1_WIDTH_1 + 7:8]),
794
   .Write     (HASH1_Wr[1]),
795
   .Clk       (Clk),
796 403 julius
   .Reset     (Reset),
797
   .SyncReset (1'b0)
798 6 julius
  );
799
eth_register #(`ETH_HASH1_WIDTH_2, `ETH_HASH1_DEF_2)          RXHASH1_2
800
  (
801
   .DataIn    (DataIn[`ETH_HASH1_WIDTH_2 + 15:16]),
802
   .DataOut   (HASH1Out[`ETH_HASH1_WIDTH_2 + 15:16]),
803
   .Write     (HASH1_Wr[2]),
804
   .Clk       (Clk),
805 403 julius
   .Reset     (Reset),
806
   .SyncReset (1'b0)
807 6 julius
  );
808
eth_register #(`ETH_HASH1_WIDTH_3, `ETH_HASH1_DEF_3)          RXHASH1_3
809
  (
810
   .DataIn    (DataIn[`ETH_HASH1_WIDTH_3 + 23:24]),
811
   .DataOut   (HASH1Out[`ETH_HASH1_WIDTH_3 + 23:24]),
812
   .Write     (HASH1_Wr[3]),
813
   .Clk       (Clk),
814 403 julius
   .Reset     (Reset),
815
   .SyncReset (1'b0)
816 6 julius
  );
817 403 julius
 
818 6 julius
// TXCTRL Register
819
eth_register #(`ETH_TX_CTRL_WIDTH_0, `ETH_TX_CTRL_DEF_0)  TXCTRL_0
820
  (
821
   .DataIn    (DataIn[`ETH_TX_CTRL_WIDTH_0 - 1:0]),
822
   .DataOut   (TXCTRLOut[`ETH_TX_CTRL_WIDTH_0 - 1:0]),
823
   .Write     (TXCTRL_Wr[0]),
824
   .Clk       (Clk),
825 403 julius
   .Reset     (Reset),
826
   .SyncReset (1'b0)
827 6 julius
  );
828
eth_register #(`ETH_TX_CTRL_WIDTH_1, `ETH_TX_CTRL_DEF_1)  TXCTRL_1
829
  (
830
   .DataIn    (DataIn[`ETH_TX_CTRL_WIDTH_1 + 7:8]),
831
   .DataOut   (TXCTRLOut[`ETH_TX_CTRL_WIDTH_1 + 7:8]),
832
   .Write     (TXCTRL_Wr[1]),
833
   .Clk       (Clk),
834 403 julius
   .Reset     (Reset),
835
   .SyncReset (1'b0)
836 6 julius
  );
837
eth_register #(`ETH_TX_CTRL_WIDTH_2, `ETH_TX_CTRL_DEF_2)  TXCTRL_2 // Request bit is synchronously reset
838
  (
839
   .DataIn    (DataIn[`ETH_TX_CTRL_WIDTH_2 + 15:16]),
840
   .DataOut   (TXCTRLOut[`ETH_TX_CTRL_WIDTH_2 + 15:16]),
841
   .Write     (TXCTRL_Wr[2]),
842
   .Clk       (Clk),
843 403 julius
   .Reset     (Reset),
844
   .SyncReset (RstTxPauseRq)
845 6 julius
  );
846
assign TXCTRLOut[31:`ETH_TX_CTRL_WIDTH_2 + 16] = 0;
847
 
848
 
849 403 julius
 
850 6 julius
// Reading data from registers
851
always @ (Address       or Read           or MODEROut       or INT_SOURCEOut  or
852
          INT_MASKOut   or IPGTOut        or IPGR1Out       or IPGR2Out       or
853
          PACKETLENOut  or COLLCONFOut    or CTRLMODEROut   or MIIMODEROut    or
854
          MIICOMMANDOut or MIIADDRESSOut  or MIITX_DATAOut  or MIIRX_DATAOut  or
855
          MIISTATUSOut  or MAC_ADDR0Out   or MAC_ADDR1Out   or TX_BD_NUMOut   or
856
          HASH0Out      or HASH1Out       or TXCTRLOut
857
         )
858
begin
859
  if(Read)  // read
860
    begin
861
      case(Address)
862 439 julius
        `ETH_MODER_ADR        :  DataOut=MODEROut;
863
        `ETH_INT_SOURCE_ADR   :  DataOut=INT_SOURCEOut;
864
        `ETH_INT_MASK_ADR     :  DataOut=INT_MASKOut;
865
        `ETH_IPGT_ADR         :  DataOut=IPGTOut;
866
        `ETH_IPGR1_ADR        :  DataOut=IPGR1Out;
867
        `ETH_IPGR2_ADR        :  DataOut=IPGR2Out;
868
        `ETH_PACKETLEN_ADR    :  DataOut=PACKETLENOut;
869
        `ETH_COLLCONF_ADR     :  DataOut=COLLCONFOut;
870
        `ETH_CTRLMODER_ADR    :  DataOut=CTRLMODEROut;
871
        `ETH_MIIMODER_ADR     :  DataOut=MIIMODEROut;
872
        `ETH_MIICOMMAND_ADR   :  DataOut=MIICOMMANDOut;
873
        `ETH_MIIADDRESS_ADR   :  DataOut=MIIADDRESSOut;
874
        `ETH_MIITX_DATA_ADR   :  DataOut=MIITX_DATAOut;
875
        `ETH_MIIRX_DATA_ADR   :  DataOut=MIIRX_DATAOut;
876
        `ETH_MIISTATUS_ADR    :  DataOut=MIISTATUSOut;
877
        `ETH_MAC_ADDR0_ADR    :  DataOut=MAC_ADDR0Out;
878
        `ETH_MAC_ADDR1_ADR    :  DataOut=MAC_ADDR1Out;
879
        `ETH_TX_BD_NUM_ADR    :  DataOut=TX_BD_NUMOut;
880
        `ETH_HASH0_ADR        :  DataOut=HASH0Out;
881
        `ETH_HASH1_ADR        :  DataOut=HASH1Out;
882
        `ETH_TX_CTRL_ADR      :  DataOut=TXCTRLOut;
883
        `ETH_DBG_ADR          :  DataOut=dbg_dat; // debug data out -- JB
884
        default:             DataOut=32'h0;
885 6 julius
      endcase
886
    end
887
  else
888 439 julius
    DataOut=32'h0;
889 6 julius
end
890
 
891
 
892
assign r_RecSmall         = MODEROut[16];
893
assign r_Pad              = MODEROut[15];
894
assign r_HugEn            = MODEROut[14];
895
assign r_CrcEn            = MODEROut[13];
896 439 julius
assign r_DlyCrcEn         = /*MODEROut[12]*/1'b0; // Synthesis bugfix JB
897 6 julius
// assign r_Rst           = MODEROut[11];   This signal is not used any more
898
assign r_FullD            = MODEROut[10];
899
assign r_ExDfrEn          = MODEROut[9];
900
assign r_NoBckof          = MODEROut[8];
901
assign r_LoopBck          = MODEROut[7];
902
assign r_IFG              = MODEROut[6];
903
assign r_Pro              = MODEROut[5];
904
assign r_Iam              = MODEROut[4];
905
assign r_Bro              = MODEROut[3];
906
assign r_NoPre            = MODEROut[2];
907
assign r_TxEn             = MODEROut[1] & (TX_BD_NUMOut>0);     // Transmission is enabled when there is at least one TxBD.
908
assign r_RxEn             = MODEROut[0] & (TX_BD_NUMOut<'h80);  // Reception is enabled when there is  at least one RxBD.
909
 
910
assign r_IPGT[6:0]        = IPGTOut[6:0];
911
 
912
assign r_IPGR1[6:0]       = IPGR1Out[6:0];
913
 
914
assign r_IPGR2[6:0]       = IPGR2Out[6:0];
915
 
916
assign r_MinFL[15:0]      = PACKETLENOut[31:16];
917
assign r_MaxFL[15:0]      = PACKETLENOut[15:0];
918
 
919
assign r_MaxRet[3:0]      = COLLCONFOut[19:16];
920
assign r_CollValid[5:0]   = COLLCONFOut[5:0];
921
 
922
assign r_TxFlow           = CTRLMODEROut[2];
923
assign r_RxFlow           = CTRLMODEROut[1];
924
assign r_PassAll          = CTRLMODEROut[0];
925
 
926
assign r_MiiNoPre         = MIIMODEROut[8];
927
assign r_ClkDiv[7:0]      = MIIMODEROut[7:0];
928
 
929
assign r_WCtrlData        = MIICOMMANDOut[2];
930
assign r_RStat            = MIICOMMANDOut[1];
931
assign r_ScanStat         = MIICOMMANDOut[0];
932
 
933
assign r_RGAD[4:0]        = MIIADDRESSOut[12:8];
934
assign r_FIAD[4:0]        = MIIADDRESSOut[4:0];
935
 
936
assign r_CtrlData[15:0]   = MIITX_DATAOut[15:0];
937
 
938
assign MIISTATUSOut[31:`ETH_MIISTATUS_WIDTH] = 0;
939
assign MIISTATUSOut[2]    = NValid_stat         ;
940
assign MIISTATUSOut[1]    = Busy_stat           ;
941
assign MIISTATUSOut[0]    = LinkFail            ;
942
 
943
assign r_MAC[31:0]        = MAC_ADDR0Out[31:0];
944
assign r_MAC[47:32]       = MAC_ADDR1Out[15:0];
945
assign r_HASH1[31:0]      = HASH1Out;
946
assign r_HASH0[31:0]      = HASH0Out;
947
 
948
assign r_TxBDNum[7:0]     = TX_BD_NUMOut[7:0];
949
 
950
assign r_TxPauseTV[15:0]  = TXCTRLOut[15:0];
951
assign r_TxPauseRq        = TXCTRLOut[16];
952
 
953
 
954
// Synchronizing TxC Interrupt
955
always @ (posedge TxClk or posedge Reset)
956
begin
957
  if(Reset)
958 403 julius
    SetTxCIrq_txclk <= 1'b0;
959 6 julius
  else
960
  if(TxCtrlEndFrm & StartTxDone & r_TxFlow)
961 403 julius
    SetTxCIrq_txclk <= 1'b1;
962 6 julius
  else
963
  if(ResetTxCIrq_sync2)
964 403 julius
    SetTxCIrq_txclk <= 1'b0;
965 6 julius
end
966
 
967
 
968
always @ (posedge Clk or posedge Reset)
969
begin
970
  if(Reset)
971 403 julius
    SetTxCIrq_sync1 <= 1'b0;
972 6 julius
  else
973 403 julius
    SetTxCIrq_sync1 <= SetTxCIrq_txclk;
974 6 julius
end
975
 
976
always @ (posedge Clk or posedge Reset)
977
begin
978
  if(Reset)
979 403 julius
    SetTxCIrq_sync2 <= 1'b0;
980 6 julius
  else
981 403 julius
    SetTxCIrq_sync2 <= SetTxCIrq_sync1;
982 6 julius
end
983
 
984
always @ (posedge Clk or posedge Reset)
985
begin
986
  if(Reset)
987 403 julius
    SetTxCIrq_sync3 <= 1'b0;
988 6 julius
  else
989 403 julius
    SetTxCIrq_sync3 <= SetTxCIrq_sync2;
990 6 julius
end
991
 
992
always @ (posedge Clk or posedge Reset)
993
begin
994
  if(Reset)
995 403 julius
    SetTxCIrq <= 1'b0;
996 6 julius
  else
997 403 julius
    SetTxCIrq <= SetTxCIrq_sync2 & ~SetTxCIrq_sync3;
998 6 julius
end
999
 
1000
always @ (posedge TxClk or posedge Reset)
1001
begin
1002
  if(Reset)
1003 403 julius
    ResetTxCIrq_sync1 <= 1'b0;
1004 6 julius
  else
1005 403 julius
    ResetTxCIrq_sync1 <= SetTxCIrq_sync2;
1006 6 julius
end
1007
 
1008
always @ (posedge TxClk or posedge Reset)
1009
begin
1010
  if(Reset)
1011 403 julius
    ResetTxCIrq_sync2 <= 1'b0;
1012 6 julius
  else
1013 403 julius
    ResetTxCIrq_sync2 <= SetTxCIrq_sync1;
1014 6 julius
end
1015
 
1016
 
1017
// Synchronizing RxC Interrupt
1018
always @ (posedge RxClk or posedge Reset)
1019
begin
1020
  if(Reset)
1021 403 julius
    SetRxCIrq_rxclk <= 1'b0;
1022 6 julius
  else
1023
  if(SetPauseTimer & r_RxFlow)
1024 403 julius
    SetRxCIrq_rxclk <= 1'b1;
1025 6 julius
  else
1026
  if(ResetRxCIrq_sync2 & (~ResetRxCIrq_sync3))
1027 403 julius
    SetRxCIrq_rxclk <= 1'b0;
1028 6 julius
end
1029
 
1030
 
1031
always @ (posedge Clk or posedge Reset)
1032
begin
1033
  if(Reset)
1034 403 julius
    SetRxCIrq_sync1 <= 1'b0;
1035 6 julius
  else
1036 403 julius
    SetRxCIrq_sync1 <= SetRxCIrq_rxclk;
1037 6 julius
end
1038
 
1039
always @ (posedge Clk or posedge Reset)
1040
begin
1041
  if(Reset)
1042 403 julius
    SetRxCIrq_sync2 <= 1'b0;
1043 6 julius
  else
1044 403 julius
    SetRxCIrq_sync2 <= SetRxCIrq_sync1;
1045 6 julius
end
1046
 
1047
always @ (posedge Clk or posedge Reset)
1048
begin
1049
  if(Reset)
1050 403 julius
    SetRxCIrq_sync3 <= 1'b0;
1051 6 julius
  else
1052 403 julius
    SetRxCIrq_sync3 <= SetRxCIrq_sync2;
1053 6 julius
end
1054
 
1055
always @ (posedge Clk or posedge Reset)
1056
begin
1057
  if(Reset)
1058 403 julius
    SetRxCIrq <= 1'b0;
1059 6 julius
  else
1060 403 julius
    SetRxCIrq <= SetRxCIrq_sync2 & ~SetRxCIrq_sync3;
1061 6 julius
end
1062
 
1063
always @ (posedge RxClk or posedge Reset)
1064
begin
1065
  if(Reset)
1066 403 julius
    ResetRxCIrq_sync1 <= 1'b0;
1067 6 julius
  else
1068 403 julius
    ResetRxCIrq_sync1 <= SetRxCIrq_sync2;
1069 6 julius
end
1070
 
1071
always @ (posedge RxClk or posedge Reset)
1072
begin
1073
  if(Reset)
1074 403 julius
    ResetRxCIrq_sync2 <= 1'b0;
1075 6 julius
  else
1076 403 julius
    ResetRxCIrq_sync2 <= ResetRxCIrq_sync1;
1077 6 julius
end
1078
 
1079
always @ (posedge RxClk or posedge Reset)
1080
begin
1081
  if(Reset)
1082 403 julius
    ResetRxCIrq_sync3 <= 1'b0;
1083 6 julius
  else
1084 403 julius
    ResetRxCIrq_sync3 <= ResetRxCIrq_sync2;
1085 6 julius
end
1086
 
1087
 
1088
 
1089
// Interrupt generation
1090
always @ (posedge Clk or posedge Reset)
1091
begin
1092
  if(Reset)
1093
    irq_txb <= 1'b0;
1094
  else
1095
  if(TxB_IRQ)
1096 403 julius
    irq_txb <=  1'b1;
1097 6 julius
  else
1098
  if(INT_SOURCE_Wr[0] & DataIn[0])
1099 403 julius
    irq_txb <=  1'b0;
1100 6 julius
end
1101
 
1102
always @ (posedge Clk or posedge Reset)
1103
begin
1104
  if(Reset)
1105
    irq_txe <= 1'b0;
1106
  else
1107
  if(TxE_IRQ)
1108 403 julius
    irq_txe <=  1'b1;
1109 6 julius
  else
1110
  if(INT_SOURCE_Wr[0] & DataIn[1])
1111 403 julius
    irq_txe <=  1'b0;
1112 6 julius
end
1113
 
1114
always @ (posedge Clk or posedge Reset)
1115
begin
1116
  if(Reset)
1117
    irq_rxb <= 1'b0;
1118
  else
1119
  if(RxB_IRQ)
1120 403 julius
    irq_rxb <=  1'b1;
1121 6 julius
  else
1122
  if(INT_SOURCE_Wr[0] & DataIn[2])
1123 403 julius
    irq_rxb <=  1'b0;
1124 6 julius
end
1125
 
1126
always @ (posedge Clk or posedge Reset)
1127
begin
1128
  if(Reset)
1129
    irq_rxe <= 1'b0;
1130
  else
1131
  if(RxE_IRQ)
1132 403 julius
    irq_rxe <=  1'b1;
1133 6 julius
  else
1134
  if(INT_SOURCE_Wr[0] & DataIn[3])
1135 403 julius
    irq_rxe <=  1'b0;
1136 6 julius
end
1137
 
1138
always @ (posedge Clk or posedge Reset)
1139
begin
1140
  if(Reset)
1141
    irq_busy <= 1'b0;
1142
  else
1143
  if(Busy_IRQ)
1144 403 julius
    irq_busy <=  1'b1;
1145 6 julius
  else
1146
  if(INT_SOURCE_Wr[0] & DataIn[4])
1147 403 julius
    irq_busy <=  1'b0;
1148 6 julius
end
1149
 
1150
always @ (posedge Clk or posedge Reset)
1151
begin
1152
  if(Reset)
1153
    irq_txc <= 1'b0;
1154
  else
1155
  if(SetTxCIrq)
1156 403 julius
    irq_txc <=  1'b1;
1157 6 julius
  else
1158
  if(INT_SOURCE_Wr[0] & DataIn[5])
1159 403 julius
    irq_txc <=  1'b0;
1160 6 julius
end
1161
 
1162
always @ (posedge Clk or posedge Reset)
1163
begin
1164
  if(Reset)
1165
    irq_rxc <= 1'b0;
1166
  else
1167
  if(SetRxCIrq)
1168 403 julius
    irq_rxc <=  1'b1;
1169 6 julius
  else
1170
  if(INT_SOURCE_Wr[0] & DataIn[6])
1171 403 julius
    irq_rxc <=  1'b0;
1172 6 julius
end
1173
 
1174
// Generating interrupt signal
1175
assign int_o = irq_txb  & INT_MASKOut[0] |
1176
               irq_txe  & INT_MASKOut[1] |
1177
               irq_rxb  & INT_MASKOut[2] |
1178
               irq_rxe  & INT_MASKOut[3] |
1179
               irq_busy & INT_MASKOut[4] |
1180
               irq_txc  & INT_MASKOut[5] |
1181
               irq_rxc  & INT_MASKOut[6] ;
1182
 
1183
// For reading interrupt status
1184
assign INT_SOURCEOut = {{(32-`ETH_INT_SOURCE_WIDTH_0){1'b0}}, irq_rxc, irq_txc, irq_busy, irq_rxe, irq_rxb, irq_txe, irq_txb};
1185
 
1186
 
1187
 
1188
endmodule

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