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[/] [ethmac/] [tags/] [rel_27/] [rtl/] [verilog/] [eth_registers.v] - Blame information for rev 338

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1 15 mohor
//////////////////////////////////////////////////////////////////////
2
////                                                              ////
3
////  eth_registers.v                                             ////
4
////                                                              ////
5
////  This file is part of the Ethernet IP core project           ////
6 37 mohor
////  http://www.opencores.org/projects/ethmac/                   ////
7 15 mohor
////                                                              ////
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
////                                                              ////
16 147 mohor
//// Copyright (C) 2001, 2002 Authors                             ////
17 15 mohor
////                                                              ////
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
// $Log: not supported by cvs2svn $
44 321 igorm
// Revision 1.27  2004/04/26 11:42:17  igorm
45
// TX_BD_NUM_Wr error fixed. Error was entered with the last check-in.
46
//
47 320 igorm
// Revision 1.26  2003/11/12 18:24:59  tadejm
48
// WISHBONE slave changed and tested from only 32-bit accesss to byte access.
49
//
50 304 tadejm
// Revision 1.25  2003/04/18 16:26:25  mohor
51
// RxBDAddress was updated also when value to r_TxBDNum was written with
52
// greater value than allowed.
53
//
54 283 mohor
// Revision 1.24  2002/11/22 01:57:06  mohor
55
// Rx Flow control fixed. CF flag added to the RX buffer descriptor. RxAbort
56
// synchronized.
57
//
58 261 mohor
// Revision 1.23  2002/11/19 18:13:49  mohor
59
// r_MiiMRst is not used for resetting the MIIM module. wb_rst used instead.
60
//
61 253 mohor
// Revision 1.22  2002/11/14 18:37:20  mohor
62
// r_Rst signal does not reset any module any more and is removed from the design.
63
//
64 244 mohor
// Revision 1.21  2002/09/10 10:35:23  mohor
65
// Ethernet debug registers removed.
66
//
67 164 mohor
// Revision 1.20  2002/09/04 18:40:25  mohor
68
// ETH_TXCTRL and ETH_RXCTRL registers added. Interrupts related to
69
// the control frames connected.
70
//
71 147 mohor
// Revision 1.19  2002/08/19 16:01:40  mohor
72
// Only values smaller or equal to 0x80 can be written to TX_BD_NUM register.
73
// r_TxEn and r_RxEn depend on the limit values of the TX_BD_NUMOut.
74
//
75 143 mohor
// Revision 1.18  2002/08/16 22:28:23  mohor
76
// Syntax error fixed.
77
//
78 141 mohor
// Revision 1.17  2002/08/16 22:23:03  mohor
79
// Syntax error fixed.
80
//
81 140 mohor
// Revision 1.16  2002/08/16 22:14:22  mohor
82
// Synchronous reset added to all registers. Defines used for width. r_MiiMRst
83
// changed from bit position 10 to 9.
84
//
85 139 mohor
// Revision 1.15  2002/08/14 18:26:37  mohor
86
// LinkFailRegister is reflecting the status of the PHY's link fail status bit.
87
//
88 132 mohor
// Revision 1.14  2002/04/22 14:03:44  mohor
89
// Interrupts are visible in the ETH_INT_SOURCE regardless if they are enabled
90
// or not.
91
//
92 102 mohor
// Revision 1.13  2002/02/26 16:18:09  mohor
93
// Reset values are passed to registers through parameters
94
//
95 74 mohor
// Revision 1.12  2002/02/17 13:23:42  mohor
96
// Define missmatch fixed.
97
//
98 69 mohor
// Revision 1.11  2002/02/16 14:03:44  mohor
99
// Registered trimmed. Unused registers removed.
100
//
101 68 mohor
// Revision 1.10  2002/02/15 11:08:25  mohor
102
// File format fixed a bit.
103
//
104 56 mohor
// Revision 1.9  2002/02/14 20:19:41  billditt
105
// Modified for Address Checking,
106
// addition of eth_addrcheck.v
107
//
108
// Revision 1.8  2002/02/12 17:01:19  mohor
109
// HASH0 and HASH1 registers added. 
110
 
111 46 mohor
// Revision 1.7  2002/01/23 10:28:16  mohor
112
// Link in the header changed.
113
//
114 37 mohor
// Revision 1.6  2001/12/05 15:00:16  mohor
115
// RX_BD_NUM changed to TX_BD_NUM (holds number of TX descriptors
116
// instead of the number of RX descriptors).
117
//
118 34 mohor
// Revision 1.5  2001/12/05 10:22:19  mohor
119
// ETH_RX_BD_ADR register deleted. ETH_RX_BD_NUM is used instead.
120
//
121 32 mohor
// Revision 1.4  2001/10/19 08:43:51  mohor
122
// eth_timescale.v changed to timescale.v This is done because of the
123
// simulation of the few cores in a one joined project.
124
//
125 22 mohor
// Revision 1.3  2001/10/18 12:07:11  mohor
126
// Status signals changed, Adress decoding changed, interrupt controller
127
// added.
128
//
129 21 mohor
// Revision 1.2  2001/09/24 15:02:56  mohor
130
// Defines changed (All precede with ETH_). Small changes because some
131
// tools generate warnings when two operands are together. Synchronization
132
// between two clocks domains in eth_wishbonedma.v is changed (due to ASIC
133
// demands).
134
//
135 20 mohor
// Revision 1.1  2001/08/06 14:44:29  mohor
136
// A define FPGA added to select between Artisan RAM (for ASIC) and Block Ram (For Virtex).
137
// Include files fixed to contain no path.
138
// File names and module names changed ta have a eth_ prologue in the name.
139
// File eth_timescale.v is used to define timescale
140
// All pin names on the top module are changed to contain _I, _O or _OE at the end.
141
// Bidirectional signal MDIO is changed to three signals (Mdc_O, Mdi_I, Mdo_O
142
// and Mdo_OE. The bidirectional signal must be created on the top level. This
143
// is done due to the ASIC tools.
144
//
145 15 mohor
// Revision 1.2  2001/08/02 09:25:31  mohor
146
// Unconnected signals are now connected.
147
//
148
// Revision 1.1  2001/07/30 21:23:42  mohor
149
// Directory structure changed. Files checked and joind together.
150
//
151
//
152
//
153
//
154
//
155
//
156
 
157
`include "eth_defines.v"
158 22 mohor
`include "timescale.v"
159 15 mohor
 
160
 
161 68 mohor
module eth_registers( DataIn, Address, Rw, Cs, Clk, Reset, DataOut,
162 15 mohor
                      r_RecSmall, r_Pad, r_HugEn, r_CrcEn, r_DlyCrcEn,
163 244 mohor
                      r_FullD, r_ExDfrEn, r_NoBckof, r_LoopBck, r_IFG,
164 21 mohor
                      r_Pro, r_Iam, r_Bro, r_NoPre, r_TxEn, r_RxEn,
165 147 mohor
                      TxB_IRQ, TxE_IRQ, RxB_IRQ, RxE_IRQ, Busy_IRQ,
166 21 mohor
                      r_IPGT, r_IPGR1, r_IPGR2, r_MinFL, r_MaxFL, r_MaxRet,
167 15 mohor
                      r_CollValid, r_TxFlow, r_RxFlow, r_PassAll,
168 253 mohor
                      r_MiiNoPre, r_ClkDiv, r_WCtrlData, r_RStat, r_ScanStat,
169 15 mohor
                      r_RGAD, r_FIAD, r_CtrlData, NValid_stat, Busy_stat,
170
                      LinkFail, r_MAC, WCtrlDataStart, RStatStart,
171 321 igorm
                      UpdateMIIRX_DATAReg, Prsd, r_TxBDNum, int_o,
172 147 mohor
                      r_HASH0, r_HASH1, r_TxPauseTV, r_TxPauseRq, RstTxPauseRq, TxCtrlEndFrm,
173 261 mohor
                      StartTxDone, TxClk, RxClk, SetPauseTimer
174 15 mohor
                    );
175
 
176
parameter Tp = 1;
177
 
178
input [31:0] DataIn;
179 46 mohor
input [7:0] Address;
180 15 mohor
 
181
input Rw;
182 304 tadejm
input [3:0] Cs;
183 15 mohor
input Clk;
184
input Reset;
185
 
186
input WCtrlDataStart;
187
input RStatStart;
188
 
189
input UpdateMIIRX_DATAReg;
190
input [15:0] Prsd;
191
 
192
output [31:0] DataOut;
193
reg    [31:0] DataOut;
194
 
195
output r_RecSmall;
196
output r_Pad;
197
output r_HugEn;
198
output r_CrcEn;
199
output r_DlyCrcEn;
200
output r_FullD;
201
output r_ExDfrEn;
202
output r_NoBckof;
203
output r_LoopBck;
204
output r_IFG;
205
output r_Pro;
206
output r_Iam;
207
output r_Bro;
208
output r_NoPre;
209
output r_TxEn;
210
output r_RxEn;
211 52 billditt
output [31:0] r_HASH0;
212
output [31:0] r_HASH1;
213 15 mohor
 
214 21 mohor
input TxB_IRQ;
215
input TxE_IRQ;
216
input RxB_IRQ;
217 74 mohor
input RxE_IRQ;
218 21 mohor
input Busy_IRQ;
219 15 mohor
 
220
output [6:0] r_IPGT;
221
 
222
output [6:0] r_IPGR1;
223
 
224
output [6:0] r_IPGR2;
225
 
226
output [15:0] r_MinFL;
227
output [15:0] r_MaxFL;
228
 
229
output [3:0] r_MaxRet;
230
output [5:0] r_CollValid;
231
 
232
output r_TxFlow;
233
output r_RxFlow;
234
output r_PassAll;
235
 
236
output r_MiiNoPre;
237
output [7:0] r_ClkDiv;
238
 
239
output r_WCtrlData;
240
output r_RStat;
241
output r_ScanStat;
242
 
243
output [4:0] r_RGAD;
244
output [4:0] r_FIAD;
245
 
246 21 mohor
output [15:0]r_CtrlData;
247 15 mohor
 
248
 
249
input NValid_stat;
250
input Busy_stat;
251
input LinkFail;
252
 
253 21 mohor
output [47:0]r_MAC;
254 34 mohor
output [7:0] r_TxBDNum;
255 21 mohor
output       int_o;
256 147 mohor
output [15:0]r_TxPauseTV;
257
output       r_TxPauseRq;
258
input        RstTxPauseRq;
259
input        TxCtrlEndFrm;
260
input        StartTxDone;
261
input        TxClk;
262
input        RxClk;
263 261 mohor
input        SetPauseTimer;
264 15 mohor
 
265 21 mohor
reg          irq_txb;
266
reg          irq_txe;
267
reg          irq_rxb;
268 74 mohor
reg          irq_rxe;
269 21 mohor
reg          irq_busy;
270 74 mohor
reg          irq_txc;
271
reg          irq_rxc;
272 15 mohor
 
273 147 mohor
reg SetTxCIrq_txclk;
274
reg SetTxCIrq_sync1, SetTxCIrq_sync2, SetTxCIrq_sync3;
275
reg SetTxCIrq;
276
reg ResetTxCIrq_sync1, ResetTxCIrq_sync2;
277
 
278
reg SetRxCIrq_rxclk;
279
reg SetRxCIrq_sync1, SetRxCIrq_sync2, SetRxCIrq_sync3;
280
reg SetRxCIrq;
281 261 mohor
reg ResetRxCIrq_sync1;
282
reg ResetRxCIrq_sync2;
283
reg ResetRxCIrq_sync3;
284 147 mohor
 
285 304 tadejm
wire [3:0] Write =   Cs  & {4{Rw}};
286
wire       Read  = (|Cs) &   ~Rw;
287 15 mohor
 
288 320 igorm
wire MODER_Sel      = (Address == `ETH_MODER_ADR       );
289
wire INT_SOURCE_Sel = (Address == `ETH_INT_SOURCE_ADR  );
290
wire INT_MASK_Sel   = (Address == `ETH_INT_MASK_ADR    );
291
wire IPGT_Sel       = (Address == `ETH_IPGT_ADR        );
292
wire IPGR1_Sel      = (Address == `ETH_IPGR1_ADR       );
293
wire IPGR2_Sel      = (Address == `ETH_IPGR2_ADR       );
294
wire PACKETLEN_Sel  = (Address == `ETH_PACKETLEN_ADR   );
295
wire COLLCONF_Sel   = (Address == `ETH_COLLCONF_ADR    );
296 21 mohor
 
297 320 igorm
wire CTRLMODER_Sel  = (Address == `ETH_CTRLMODER_ADR   );
298
wire MIIMODER_Sel   = (Address == `ETH_MIIMODER_ADR    );
299
wire MIICOMMAND_Sel = (Address == `ETH_MIICOMMAND_ADR  );
300
wire MIIADDRESS_Sel = (Address == `ETH_MIIADDRESS_ADR  );
301
wire MIITX_DATA_Sel = (Address == `ETH_MIITX_DATA_ADR  );
302
wire MAC_ADDR0_Sel  = (Address == `ETH_MAC_ADDR0_ADR   );
303
wire MAC_ADDR1_Sel  = (Address == `ETH_MAC_ADDR1_ADR   );
304
wire HASH0_Sel      = (Address == `ETH_HASH0_ADR       );
305
wire HASH1_Sel      = (Address == `ETH_HASH1_ADR       );
306
wire TXCTRL_Sel     = (Address == `ETH_TX_CTRL_ADR     );
307
wire RXCTRL_Sel     = (Address == `ETH_RX_CTRL_ADR     );
308
wire TX_BD_NUM_Sel  = (Address == `ETH_TX_BD_NUM_ADR   );
309 15 mohor
 
310
 
311 320 igorm
wire [2:0] MODER_Wr;
312
wire [0:0] INT_SOURCE_Wr;
313
wire [0:0] INT_MASK_Wr;
314
wire [0:0] IPGT_Wr;
315
wire [0:0] IPGR1_Wr;
316
wire [0:0] IPGR2_Wr;
317
wire [3:0] PACKETLEN_Wr;
318
wire [2:0] COLLCONF_Wr;
319
wire [0:0] CTRLMODER_Wr;
320
wire [1:0] MIIMODER_Wr;
321
wire [0:0] MIICOMMAND_Wr;
322
wire [1:0] MIIADDRESS_Wr;
323
wire [1:0] MIITX_DATA_Wr;
324
wire       MIIRX_DATA_Wr;
325
wire [3:0] MAC_ADDR0_Wr;
326
wire [1:0] MAC_ADDR1_Wr;
327
wire [3:0] HASH0_Wr;
328
wire [3:0] HASH1_Wr;
329
wire [2:0] TXCTRL_Wr;
330
wire [1:0] RXCTRL_Wr;
331 321 igorm
wire [0:0] TX_BD_NUM_Wr;
332 15 mohor
 
333 320 igorm
assign MODER_Wr[0]       = Write[0]  & MODER_Sel;
334
assign MODER_Wr[1]       = Write[1]  & MODER_Sel;
335
assign MODER_Wr[2]       = Write[2]  & MODER_Sel;
336
assign INT_SOURCE_Wr[0]  = Write[0]  & INT_SOURCE_Sel;
337
assign INT_MASK_Wr[0]    = Write[0]  & INT_MASK_Sel;
338
assign IPGT_Wr[0]        = Write[0]  & IPGT_Sel;
339
assign IPGR1_Wr[0]       = Write[0]  & IPGR1_Sel;
340
assign IPGR2_Wr[0]       = Write[0]  & IPGR2_Sel;
341
assign PACKETLEN_Wr[0]   = Write[0]  & PACKETLEN_Sel;
342
assign PACKETLEN_Wr[1]   = Write[1]  & PACKETLEN_Sel;
343
assign PACKETLEN_Wr[2]   = Write[2]  & PACKETLEN_Sel;
344
assign PACKETLEN_Wr[3]   = Write[3]  & PACKETLEN_Sel;
345
assign COLLCONF_Wr[0]    = Write[0]  & COLLCONF_Sel;
346
assign COLLCONF_Wr[1]    = 1'b0;  // Not used
347
assign COLLCONF_Wr[2]    = Write[2]  & COLLCONF_Sel;
348
 
349
assign CTRLMODER_Wr[0]   = Write[0]  & CTRLMODER_Sel;
350
assign MIIMODER_Wr[0]    = Write[0]  & MIIMODER_Sel;
351
assign MIIMODER_Wr[1]    = Write[1]  & MIIMODER_Sel;
352
assign MIICOMMAND_Wr[0]  = Write[0]  & MIICOMMAND_Sel;
353
assign MIIADDRESS_Wr[0]  = Write[0]  & MIIADDRESS_Sel;
354
assign MIIADDRESS_Wr[1]  = Write[1]  & MIIADDRESS_Sel;
355
assign MIITX_DATA_Wr[0]  = Write[0]  & MIITX_DATA_Sel;
356
assign MIITX_DATA_Wr[1]  = Write[1]  & MIITX_DATA_Sel;
357
assign MIIRX_DATA_Wr     = UpdateMIIRX_DATAReg;
358
assign MAC_ADDR0_Wr[0]   = Write[0]  & MAC_ADDR0_Sel;
359
assign MAC_ADDR0_Wr[1]   = Write[1]  & MAC_ADDR0_Sel;
360
assign MAC_ADDR0_Wr[2]   = Write[2]  & MAC_ADDR0_Sel;
361
assign MAC_ADDR0_Wr[3]   = Write[3]  & MAC_ADDR0_Sel;
362
assign MAC_ADDR1_Wr[0]   = Write[0]  & MAC_ADDR1_Sel;
363
assign MAC_ADDR1_Wr[1]   = Write[1]  & MAC_ADDR1_Sel;
364
assign HASH0_Wr[0]       = Write[0]  & HASH0_Sel;
365
assign HASH0_Wr[1]       = Write[1]  & HASH0_Sel;
366
assign HASH0_Wr[2]       = Write[2]  & HASH0_Sel;
367
assign HASH0_Wr[3]       = Write[3]  & HASH0_Sel;
368
assign HASH1_Wr[0]       = Write[0]  & HASH1_Sel;
369
assign HASH1_Wr[1]       = Write[1]  & HASH1_Sel;
370
assign HASH1_Wr[2]       = Write[2]  & HASH1_Sel;
371
assign HASH1_Wr[3]       = Write[3]  & HASH1_Sel;
372
assign TXCTRL_Wr[0]      = Write[0]  & TXCTRL_Sel;
373
assign TXCTRL_Wr[1]      = Write[1]  & TXCTRL_Sel;
374
assign TXCTRL_Wr[2]      = Write[2]  & TXCTRL_Sel;
375
assign RXCTRL_Wr[0]      = Write[0]  & RXCTRL_Sel;
376
assign RXCTRL_Wr[1]      = Write[1]  & RXCTRL_Sel;
377 321 igorm
assign TX_BD_NUM_Wr[0]   = Write[0]  & TX_BD_NUM_Sel & (DataIn<='h80);
378 320 igorm
 
379
 
380
 
381 15 mohor
wire [31:0] MODEROut;
382
wire [31:0] INT_SOURCEOut;
383
wire [31:0] INT_MASKOut;
384
wire [31:0] IPGTOut;
385
wire [31:0] IPGR1Out;
386
wire [31:0] IPGR2Out;
387
wire [31:0] PACKETLENOut;
388
wire [31:0] COLLCONFOut;
389
wire [31:0] CTRLMODEROut;
390
wire [31:0] MIIMODEROut;
391
wire [31:0] MIICOMMANDOut;
392
wire [31:0] MIIADDRESSOut;
393
wire [31:0] MIITX_DATAOut;
394
wire [31:0] MIIRX_DATAOut;
395
wire [31:0] MIISTATUSOut;
396
wire [31:0] MAC_ADDR0Out;
397
wire [31:0] MAC_ADDR1Out;
398 34 mohor
wire [31:0] TX_BD_NUMOut;
399 52 billditt
wire [31:0] HASH0Out;
400
wire [31:0] HASH1Out;
401 147 mohor
wire [31:0] TXCTRLOut;
402
wire [31:0] RXCTRLOut;
403 15 mohor
 
404 139 mohor
// MODER Register
405 304 tadejm
eth_register #(`ETH_MODER_WIDTH_0, `ETH_MODER_DEF_0)        MODER_0
406 139 mohor
  (
407 304 tadejm
   .DataIn    (DataIn[`ETH_MODER_WIDTH_0 - 1:0]),
408
   .DataOut   (MODEROut[`ETH_MODER_WIDTH_0 - 1:0]),
409 320 igorm
   .Write     (MODER_Wr[0]),
410 139 mohor
   .Clk       (Clk),
411
   .Reset     (Reset),
412 141 mohor
   .SyncReset (1'b0)
413 139 mohor
  );
414 304 tadejm
eth_register #(`ETH_MODER_WIDTH_1, `ETH_MODER_DEF_1)        MODER_1
415
  (
416
   .DataIn    (DataIn[`ETH_MODER_WIDTH_1 + 7:8]),
417
   .DataOut   (MODEROut[`ETH_MODER_WIDTH_1 + 7:8]),
418 320 igorm
   .Write     (MODER_Wr[1]),
419 304 tadejm
   .Clk       (Clk),
420
   .Reset     (Reset),
421
   .SyncReset (1'b0)
422
  );
423
eth_register #(`ETH_MODER_WIDTH_2, `ETH_MODER_DEF_2)        MODER_2
424
  (
425
   .DataIn    (DataIn[`ETH_MODER_WIDTH_2 + 15:16]),
426
   .DataOut   (MODEROut[`ETH_MODER_WIDTH_2 + 15:16]),
427 320 igorm
   .Write     (MODER_Wr[2]),
428 304 tadejm
   .Clk       (Clk),
429
   .Reset     (Reset),
430
   .SyncReset (1'b0)
431
  );
432
assign MODEROut[31:`ETH_MODER_WIDTH_2 + 16] = 0;
433 15 mohor
 
434 139 mohor
// INT_MASK Register
435 304 tadejm
eth_register #(`ETH_INT_MASK_WIDTH_0, `ETH_INT_MASK_DEF_0)  INT_MASK_0
436 139 mohor
  (
437 304 tadejm
   .DataIn    (DataIn[`ETH_INT_MASK_WIDTH_0 - 1:0]),
438
   .DataOut   (INT_MASKOut[`ETH_INT_MASK_WIDTH_0 - 1:0]),
439 320 igorm
   .Write     (INT_MASK_Wr[0]),
440 139 mohor
   .Clk       (Clk),
441
   .Reset     (Reset),
442 141 mohor
   .SyncReset (1'b0)
443 139 mohor
  );
444 304 tadejm
assign INT_MASKOut[31:`ETH_INT_MASK_WIDTH_0] = 0;
445 52 billditt
 
446 139 mohor
// IPGT Register
447 304 tadejm
eth_register #(`ETH_IPGT_WIDTH_0, `ETH_IPGT_DEF_0)          IPGT_0
448 139 mohor
  (
449 304 tadejm
   .DataIn    (DataIn[`ETH_IPGT_WIDTH_0 - 1:0]),
450
   .DataOut   (IPGTOut[`ETH_IPGT_WIDTH_0 - 1:0]),
451 320 igorm
   .Write     (IPGT_Wr[0]),
452 139 mohor
   .Clk       (Clk),
453
   .Reset     (Reset),
454 141 mohor
   .SyncReset (1'b0)
455 139 mohor
  );
456 304 tadejm
assign IPGTOut[31:`ETH_IPGT_WIDTH_0] = 0;
457 52 billditt
 
458 139 mohor
// IPGR1 Register
459 304 tadejm
eth_register #(`ETH_IPGR1_WIDTH_0, `ETH_IPGR1_DEF_0)        IPGR1_0
460 139 mohor
  (
461 304 tadejm
   .DataIn    (DataIn[`ETH_IPGR1_WIDTH_0 - 1:0]),
462
   .DataOut   (IPGR1Out[`ETH_IPGR1_WIDTH_0 - 1:0]),
463 320 igorm
   .Write     (IPGR1_Wr[0]),
464 139 mohor
   .Clk       (Clk),
465
   .Reset     (Reset),
466 141 mohor
   .SyncReset (1'b0)
467 139 mohor
  );
468 304 tadejm
assign IPGR1Out[31:`ETH_IPGR1_WIDTH_0] = 0;
469 15 mohor
 
470 139 mohor
// IPGR2 Register
471 304 tadejm
eth_register #(`ETH_IPGR2_WIDTH_0, `ETH_IPGR2_DEF_0)        IPGR2_0
472 139 mohor
  (
473 304 tadejm
   .DataIn    (DataIn[`ETH_IPGR2_WIDTH_0 - 1:0]),
474
   .DataOut   (IPGR2Out[`ETH_IPGR2_WIDTH_0 - 1:0]),
475 320 igorm
   .Write     (IPGR2_Wr[0]),
476 139 mohor
   .Clk       (Clk),
477
   .Reset     (Reset),
478 141 mohor
   .SyncReset (1'b0)
479 139 mohor
  );
480 304 tadejm
assign IPGR2Out[31:`ETH_IPGR2_WIDTH_0] = 0;
481 15 mohor
 
482 139 mohor
// PACKETLEN Register
483 304 tadejm
eth_register #(`ETH_PACKETLEN_WIDTH_0, `ETH_PACKETLEN_DEF_0) PACKETLEN_0
484 139 mohor
  (
485 304 tadejm
   .DataIn    (DataIn[`ETH_PACKETLEN_WIDTH_0 - 1:0]),
486
   .DataOut   (PACKETLENOut[`ETH_PACKETLEN_WIDTH_0 - 1:0]),
487 320 igorm
   .Write     (PACKETLEN_Wr[0]),
488 139 mohor
   .Clk       (Clk),
489
   .Reset     (Reset),
490 141 mohor
   .SyncReset (1'b0)
491 139 mohor
  );
492 304 tadejm
eth_register #(`ETH_PACKETLEN_WIDTH_1, `ETH_PACKETLEN_DEF_1) PACKETLEN_1
493
  (
494
   .DataIn    (DataIn[`ETH_PACKETLEN_WIDTH_1 + 7:8]),
495
   .DataOut   (PACKETLENOut[`ETH_PACKETLEN_WIDTH_1 + 7:8]),
496 320 igorm
   .Write     (PACKETLEN_Wr[1]),
497 304 tadejm
   .Clk       (Clk),
498
   .Reset     (Reset),
499
   .SyncReset (1'b0)
500
  );
501
eth_register #(`ETH_PACKETLEN_WIDTH_2, `ETH_PACKETLEN_DEF_2) PACKETLEN_2
502
  (
503
   .DataIn    (DataIn[`ETH_PACKETLEN_WIDTH_2 + 15:16]),
504
   .DataOut   (PACKETLENOut[`ETH_PACKETLEN_WIDTH_2 + 15:16]),
505 320 igorm
   .Write     (PACKETLEN_Wr[2]),
506 304 tadejm
   .Clk       (Clk),
507
   .Reset     (Reset),
508
   .SyncReset (1'b0)
509
  );
510
eth_register #(`ETH_PACKETLEN_WIDTH_3, `ETH_PACKETLEN_DEF_3) PACKETLEN_3
511
  (
512
   .DataIn    (DataIn[`ETH_PACKETLEN_WIDTH_3 + 23:24]),
513
   .DataOut   (PACKETLENOut[`ETH_PACKETLEN_WIDTH_3 + 23:24]),
514 320 igorm
   .Write     (PACKETLEN_Wr[3]),
515 304 tadejm
   .Clk       (Clk),
516
   .Reset     (Reset),
517
   .SyncReset (1'b0)
518
  );
519 15 mohor
 
520 139 mohor
// COLLCONF Register
521 304 tadejm
eth_register #(`ETH_COLLCONF_WIDTH_0, `ETH_COLLCONF_DEF_0)   COLLCONF_0
522 139 mohor
  (
523 304 tadejm
   .DataIn    (DataIn[`ETH_COLLCONF_WIDTH_0 - 1:0]),
524
   .DataOut   (COLLCONFOut[`ETH_COLLCONF_WIDTH_0 - 1:0]),
525 320 igorm
   .Write     (COLLCONF_Wr[0]),
526 139 mohor
   .Clk       (Clk),
527
   .Reset     (Reset),
528 141 mohor
   .SyncReset (1'b0)
529 139 mohor
  );
530 304 tadejm
eth_register #(`ETH_COLLCONF_WIDTH_2, `ETH_COLLCONF_DEF_2)   COLLCONF_2
531 139 mohor
  (
532 304 tadejm
   .DataIn    (DataIn[`ETH_COLLCONF_WIDTH_2 + 15:16]),
533
   .DataOut   (COLLCONFOut[`ETH_COLLCONF_WIDTH_2 + 15:16]),
534 320 igorm
   .Write     (COLLCONF_Wr[2]),
535 139 mohor
   .Clk       (Clk),
536
   .Reset     (Reset),
537 141 mohor
   .SyncReset (1'b0)
538 139 mohor
  );
539 304 tadejm
assign COLLCONFOut[15:`ETH_COLLCONF_WIDTH_0] = 0;
540
assign COLLCONFOut[31:`ETH_COLLCONF_WIDTH_2 + 16] = 0;
541 15 mohor
 
542 139 mohor
// TX_BD_NUM Register
543 304 tadejm
eth_register #(`ETH_TX_BD_NUM_WIDTH_0, `ETH_TX_BD_NUM_DEF_0) TX_BD_NUM_0
544 139 mohor
  (
545 304 tadejm
   .DataIn    (DataIn[`ETH_TX_BD_NUM_WIDTH_0 - 1:0]),
546
   .DataOut   (TX_BD_NUMOut[`ETH_TX_BD_NUM_WIDTH_0 - 1:0]),
547 321 igorm
   .Write     (TX_BD_NUM_Wr[0]),
548 139 mohor
   .Clk       (Clk),
549
   .Reset     (Reset),
550 141 mohor
   .SyncReset (1'b0)
551 139 mohor
  );
552 304 tadejm
assign TX_BD_NUMOut[31:`ETH_TX_BD_NUM_WIDTH_0] = 0;
553 15 mohor
 
554 139 mohor
// CTRLMODER Register
555 304 tadejm
eth_register #(`ETH_CTRLMODER_WIDTH_0, `ETH_CTRLMODER_DEF_0)  CTRLMODER_0
556 139 mohor
  (
557 304 tadejm
   .DataIn    (DataIn[`ETH_CTRLMODER_WIDTH_0 - 1:0]),
558
   .DataOut   (CTRLMODEROut[`ETH_CTRLMODER_WIDTH_0 - 1:0]),
559 320 igorm
   .Write     (CTRLMODER_Wr[0]),
560 139 mohor
   .Clk       (Clk),
561
   .Reset     (Reset),
562 141 mohor
   .SyncReset (1'b0)
563 139 mohor
  );
564 304 tadejm
assign CTRLMODEROut[31:`ETH_CTRLMODER_WIDTH_0] = 0;
565 15 mohor
 
566 139 mohor
// MIIMODER Register
567 304 tadejm
eth_register #(`ETH_MIIMODER_WIDTH_0, `ETH_MIIMODER_DEF_0)    MIIMODER_0
568 139 mohor
  (
569 304 tadejm
   .DataIn    (DataIn[`ETH_MIIMODER_WIDTH_0 - 1:0]),
570
   .DataOut   (MIIMODEROut[`ETH_MIIMODER_WIDTH_0 - 1:0]),
571 320 igorm
   .Write     (MIIMODER_Wr[0]),
572 139 mohor
   .Clk       (Clk),
573
   .Reset     (Reset),
574 141 mohor
   .SyncReset (1'b0)
575 139 mohor
  );
576 304 tadejm
eth_register #(`ETH_MIIMODER_WIDTH_1, `ETH_MIIMODER_DEF_1)    MIIMODER_1
577
  (
578
   .DataIn    (DataIn[`ETH_MIIMODER_WIDTH_1 + 7:8]),
579
   .DataOut   (MIIMODEROut[`ETH_MIIMODER_WIDTH_1 + 7:8]),
580 320 igorm
   .Write     (MIIMODER_Wr[1]),
581 304 tadejm
   .Clk       (Clk),
582
   .Reset     (Reset),
583
   .SyncReset (1'b0)
584
  );
585
assign MIIMODEROut[31:`ETH_MIIMODER_WIDTH_1 + 8] = 0;
586 68 mohor
 
587 139 mohor
// MIICOMMAND Register
588
eth_register #(1, 0)                                      MIICOMMAND0
589
  (
590
   .DataIn    (DataIn[0]),
591
   .DataOut   (MIICOMMANDOut[0]),
592 320 igorm
   .Write     (MIICOMMAND_Wr[0]),
593 139 mohor
   .Clk       (Clk),
594
   .Reset     (Reset),
595 141 mohor
   .SyncReset (1'b0)
596 139 mohor
  );
597
eth_register #(1, 0)                                      MIICOMMAND1
598
  (
599
   .DataIn    (DataIn[1]),
600
   .DataOut   (MIICOMMANDOut[1]),
601 320 igorm
   .Write     (MIICOMMAND_Wr[0]),
602 139 mohor
   .Clk       (Clk),
603
   .Reset     (Reset),
604
   .SyncReset (RStatStart)
605
  );
606
eth_register #(1, 0)                                      MIICOMMAND2
607
  (
608
   .DataIn    (DataIn[2]),
609
   .DataOut   (MIICOMMANDOut[2]),
610 320 igorm
   .Write     (MIICOMMAND_Wr[0]),
611 139 mohor
   .Clk       (Clk),
612
   .Reset     (Reset),
613
   .SyncReset (WCtrlDataStart)
614
  );
615 304 tadejm
assign MIICOMMANDOut[31:`ETH_MIICOMMAND_WIDTH_0] = 29'h0;
616 15 mohor
 
617 139 mohor
// MIIADDRESSRegister
618 304 tadejm
eth_register #(`ETH_MIIADDRESS_WIDTH_0, `ETH_MIIADDRESS_DEF_0) MIIADDRESS_0
619 139 mohor
  (
620 304 tadejm
   .DataIn    (DataIn[`ETH_MIIADDRESS_WIDTH_0 - 1:0]),
621
   .DataOut   (MIIADDRESSOut[`ETH_MIIADDRESS_WIDTH_0 - 1:0]),
622 320 igorm
   .Write     (MIIADDRESS_Wr[0]),
623 139 mohor
   .Clk       (Clk),
624
   .Reset     (Reset),
625 141 mohor
   .SyncReset (1'b0)
626 139 mohor
  );
627 304 tadejm
eth_register #(`ETH_MIIADDRESS_WIDTH_1, `ETH_MIIADDRESS_DEF_1) MIIADDRESS_1
628 139 mohor
  (
629 304 tadejm
   .DataIn    (DataIn[`ETH_MIIADDRESS_WIDTH_1 + 7:8]),
630
   .DataOut   (MIIADDRESSOut[`ETH_MIIADDRESS_WIDTH_1 + 7:8]),
631 320 igorm
   .Write     (MIIADDRESS_Wr[1]),
632 139 mohor
   .Clk       (Clk),
633
   .Reset     (Reset),
634 141 mohor
   .SyncReset (1'b0)
635 139 mohor
  );
636 304 tadejm
assign MIIADDRESSOut[7:`ETH_MIIADDRESS_WIDTH_0] = 0;
637
assign MIIADDRESSOut[31:`ETH_MIIADDRESS_WIDTH_1 + 8] = 0;
638 15 mohor
 
639 139 mohor
// MIITX_DATA Register
640 304 tadejm
eth_register #(`ETH_MIITX_DATA_WIDTH_0, `ETH_MIITX_DATA_DEF_0) MIITX_DATA_0
641 139 mohor
  (
642 304 tadejm
   .DataIn    (DataIn[`ETH_MIITX_DATA_WIDTH_0 - 1:0]),
643
   .DataOut   (MIITX_DATAOut[`ETH_MIITX_DATA_WIDTH_0 - 1:0]),
644 320 igorm
   .Write     (MIITX_DATA_Wr[0]),
645 139 mohor
   .Clk       (Clk),
646
   .Reset     (Reset),
647 141 mohor
   .SyncReset (1'b0)
648 139 mohor
  );
649 304 tadejm
eth_register #(`ETH_MIITX_DATA_WIDTH_1, `ETH_MIITX_DATA_DEF_1) MIITX_DATA_1
650
  (
651
   .DataIn    (DataIn[`ETH_MIITX_DATA_WIDTH_1 + 7:8]),
652
   .DataOut   (MIITX_DATAOut[`ETH_MIITX_DATA_WIDTH_1 + 7:8]),
653 320 igorm
   .Write     (MIITX_DATA_Wr[1]),
654 304 tadejm
   .Clk       (Clk),
655
   .Reset     (Reset),
656
   .SyncReset (1'b0)
657
  );
658
assign MIITX_DATAOut[31:`ETH_MIITX_DATA_WIDTH_1 + 8] = 0;
659 15 mohor
 
660 139 mohor
// MIIRX_DATA Register
661
eth_register #(`ETH_MIIRX_DATA_WIDTH, `ETH_MIIRX_DATA_DEF) MIIRX_DATA
662
  (
663
   .DataIn    (Prsd[`ETH_MIIRX_DATA_WIDTH-1:0]),
664
   .DataOut   (MIIRX_DATAOut[`ETH_MIIRX_DATA_WIDTH-1:0]),
665 304 tadejm
   .Write     (MIIRX_DATA_Wr), // not written from WB
666 139 mohor
   .Clk       (Clk),
667
   .Reset     (Reset),
668 141 mohor
   .SyncReset (1'b0)
669 139 mohor
  );
670
assign MIIRX_DATAOut[31:`ETH_MIIRX_DATA_WIDTH] = 0;
671 15 mohor
 
672 139 mohor
// MAC_ADDR0 Register
673 304 tadejm
eth_register #(`ETH_MAC_ADDR0_WIDTH_0, `ETH_MAC_ADDR0_DEF_0)  MAC_ADDR0_0
674 139 mohor
  (
675 304 tadejm
   .DataIn    (DataIn[`ETH_MAC_ADDR0_WIDTH_0 - 1:0]),
676
   .DataOut   (MAC_ADDR0Out[`ETH_MAC_ADDR0_WIDTH_0 - 1:0]),
677 320 igorm
   .Write     (MAC_ADDR0_Wr[0]),
678 139 mohor
   .Clk       (Clk),
679
   .Reset     (Reset),
680 141 mohor
   .SyncReset (1'b0)
681 139 mohor
  );
682 304 tadejm
eth_register #(`ETH_MAC_ADDR0_WIDTH_1, `ETH_MAC_ADDR0_DEF_1)  MAC_ADDR0_1
683
  (
684
   .DataIn    (DataIn[`ETH_MAC_ADDR0_WIDTH_1 + 7:8]),
685
   .DataOut   (MAC_ADDR0Out[`ETH_MAC_ADDR0_WIDTH_1 + 7:8]),
686 320 igorm
   .Write     (MAC_ADDR0_Wr[1]),
687 304 tadejm
   .Clk       (Clk),
688
   .Reset     (Reset),
689
   .SyncReset (1'b0)
690
  );
691
eth_register #(`ETH_MAC_ADDR0_WIDTH_2, `ETH_MAC_ADDR0_DEF_2)  MAC_ADDR0_2
692
  (
693
   .DataIn    (DataIn[`ETH_MAC_ADDR0_WIDTH_2 + 15:16]),
694
   .DataOut   (MAC_ADDR0Out[`ETH_MAC_ADDR0_WIDTH_2 + 15:16]),
695 320 igorm
   .Write     (MAC_ADDR0_Wr[2]),
696 304 tadejm
   .Clk       (Clk),
697
   .Reset     (Reset),
698
   .SyncReset (1'b0)
699
  );
700
eth_register #(`ETH_MAC_ADDR0_WIDTH_3, `ETH_MAC_ADDR0_DEF_3)  MAC_ADDR0_3
701
  (
702
   .DataIn    (DataIn[`ETH_MAC_ADDR0_WIDTH_3 + 23:24]),
703
   .DataOut   (MAC_ADDR0Out[`ETH_MAC_ADDR0_WIDTH_3 + 23:24]),
704 320 igorm
   .Write     (MAC_ADDR0_Wr[3]),
705 304 tadejm
   .Clk       (Clk),
706
   .Reset     (Reset),
707
   .SyncReset (1'b0)
708
  );
709 68 mohor
 
710 139 mohor
// MAC_ADDR1 Register
711 304 tadejm
eth_register #(`ETH_MAC_ADDR1_WIDTH_0, `ETH_MAC_ADDR1_DEF_0)  MAC_ADDR1_0
712 139 mohor
  (
713 304 tadejm
   .DataIn    (DataIn[`ETH_MAC_ADDR1_WIDTH_0 - 1:0]),
714
   .DataOut   (MAC_ADDR1Out[`ETH_MAC_ADDR1_WIDTH_0 - 1:0]),
715 320 igorm
   .Write     (MAC_ADDR1_Wr[0]),
716 139 mohor
   .Clk       (Clk),
717
   .Reset     (Reset),
718 141 mohor
   .SyncReset (1'b0)
719 139 mohor
  );
720 304 tadejm
eth_register #(`ETH_MAC_ADDR1_WIDTH_1, `ETH_MAC_ADDR1_DEF_1)  MAC_ADDR1_1
721
  (
722
   .DataIn    (DataIn[`ETH_MAC_ADDR1_WIDTH_1 + 7:8]),
723
   .DataOut   (MAC_ADDR1Out[`ETH_MAC_ADDR1_WIDTH_1 + 7:8]),
724 320 igorm
   .Write     (MAC_ADDR1_Wr[1]),
725 304 tadejm
   .Clk       (Clk),
726
   .Reset     (Reset),
727
   .SyncReset (1'b0)
728
  );
729
assign MAC_ADDR1Out[31:`ETH_MAC_ADDR1_WIDTH_1 + 8] = 0;
730 68 mohor
 
731 139 mohor
// RXHASH0 Register
732 304 tadejm
eth_register #(`ETH_HASH0_WIDTH_0, `ETH_HASH0_DEF_0)          RXHASH0_0
733 139 mohor
  (
734 304 tadejm
   .DataIn    (DataIn[`ETH_HASH0_WIDTH_0 - 1:0]),
735
   .DataOut   (HASH0Out[`ETH_HASH0_WIDTH_0 - 1:0]),
736 320 igorm
   .Write     (HASH0_Wr[0]),
737 139 mohor
   .Clk       (Clk),
738
   .Reset     (Reset),
739 141 mohor
   .SyncReset (1'b0)
740 139 mohor
  );
741 304 tadejm
eth_register #(`ETH_HASH0_WIDTH_1, `ETH_HASH0_DEF_1)          RXHASH0_1
742
  (
743
   .DataIn    (DataIn[`ETH_HASH0_WIDTH_1 + 7:8]),
744
   .DataOut   (HASH0Out[`ETH_HASH0_WIDTH_1 + 7:8]),
745 320 igorm
   .Write     (HASH0_Wr[1]),
746 304 tadejm
   .Clk       (Clk),
747
   .Reset     (Reset),
748
   .SyncReset (1'b0)
749
  );
750
eth_register #(`ETH_HASH0_WIDTH_2, `ETH_HASH0_DEF_2)          RXHASH0_2
751
  (
752
   .DataIn    (DataIn[`ETH_HASH0_WIDTH_2 + 15:16]),
753
   .DataOut   (HASH0Out[`ETH_HASH0_WIDTH_2 + 15:16]),
754 320 igorm
   .Write     (HASH0_Wr[2]),
755 304 tadejm
   .Clk       (Clk),
756
   .Reset     (Reset),
757
   .SyncReset (1'b0)
758
  );
759
eth_register #(`ETH_HASH0_WIDTH_3, `ETH_HASH0_DEF_3)          RXHASH0_3
760
  (
761
   .DataIn    (DataIn[`ETH_HASH0_WIDTH_3 + 23:24]),
762
   .DataOut   (HASH0Out[`ETH_HASH0_WIDTH_3 + 23:24]),
763 320 igorm
   .Write     (HASH0_Wr[3]),
764 304 tadejm
   .Clk       (Clk),
765
   .Reset     (Reset),
766
   .SyncReset (1'b0)
767
  );
768 68 mohor
 
769 139 mohor
// RXHASH1 Register
770 304 tadejm
eth_register #(`ETH_HASH1_WIDTH_0, `ETH_HASH1_DEF_0)          RXHASH1_0
771 139 mohor
  (
772 304 tadejm
   .DataIn    (DataIn[`ETH_HASH1_WIDTH_0 - 1:0]),
773
   .DataOut   (HASH1Out[`ETH_HASH1_WIDTH_0 - 1:0]),
774 320 igorm
   .Write     (HASH1_Wr[0]),
775 139 mohor
   .Clk       (Clk),
776
   .Reset     (Reset),
777 141 mohor
   .SyncReset (1'b0)
778 139 mohor
  );
779 304 tadejm
eth_register #(`ETH_HASH1_WIDTH_1, `ETH_HASH1_DEF_1)          RXHASH1_1
780
  (
781
   .DataIn    (DataIn[`ETH_HASH1_WIDTH_1 + 7:8]),
782
   .DataOut   (HASH1Out[`ETH_HASH1_WIDTH_1 + 7:8]),
783 320 igorm
   .Write     (HASH1_Wr[1]),
784 304 tadejm
   .Clk       (Clk),
785
   .Reset     (Reset),
786
   .SyncReset (1'b0)
787
  );
788
eth_register #(`ETH_HASH1_WIDTH_2, `ETH_HASH1_DEF_2)          RXHASH1_2
789
  (
790
   .DataIn    (DataIn[`ETH_HASH1_WIDTH_2 + 15:16]),
791
   .DataOut   (HASH1Out[`ETH_HASH1_WIDTH_2 + 15:16]),
792 320 igorm
   .Write     (HASH1_Wr[2]),
793 304 tadejm
   .Clk       (Clk),
794
   .Reset     (Reset),
795
   .SyncReset (1'b0)
796
  );
797
eth_register #(`ETH_HASH1_WIDTH_3, `ETH_HASH1_DEF_3)          RXHASH1_3
798
  (
799
   .DataIn    (DataIn[`ETH_HASH1_WIDTH_3 + 23:24]),
800
   .DataOut   (HASH1Out[`ETH_HASH1_WIDTH_3 + 23:24]),
801 320 igorm
   .Write     (HASH1_Wr[3]),
802 304 tadejm
   .Clk       (Clk),
803
   .Reset     (Reset),
804
   .SyncReset (1'b0)
805
  );
806 68 mohor
 
807 147 mohor
// TXCTRL Register
808 304 tadejm
eth_register #(`ETH_TX_CTRL_WIDTH_0, `ETH_TX_CTRL_DEF_0)  TXCTRL_0
809 147 mohor
  (
810 304 tadejm
   .DataIn    (DataIn[`ETH_TX_CTRL_WIDTH_0 - 1:0]),
811
   .DataOut   (TXCTRLOut[`ETH_TX_CTRL_WIDTH_0 - 1:0]),
812 320 igorm
   .Write     (TXCTRL_Wr[0]),
813 147 mohor
   .Clk       (Clk),
814
   .Reset     (Reset),
815
   .SyncReset (1'b0)
816
  );
817 304 tadejm
eth_register #(`ETH_TX_CTRL_WIDTH_1, `ETH_TX_CTRL_DEF_1)  TXCTRL_1
818 147 mohor
  (
819 304 tadejm
   .DataIn    (DataIn[`ETH_TX_CTRL_WIDTH_1 + 7:8]),
820
   .DataOut   (TXCTRLOut[`ETH_TX_CTRL_WIDTH_1 + 7:8]),
821 320 igorm
   .Write     (TXCTRL_Wr[1]),
822 147 mohor
   .Clk       (Clk),
823
   .Reset     (Reset),
824 304 tadejm
   .SyncReset (1'b0)
825
  );
826
eth_register #(`ETH_TX_CTRL_WIDTH_2, `ETH_TX_CTRL_DEF_2)  TXCTRL_2 // Request bit is synchronously reset
827
  (
828
   .DataIn    (DataIn[`ETH_TX_CTRL_WIDTH_2 + 15:16]),
829
   .DataOut   (TXCTRLOut[`ETH_TX_CTRL_WIDTH_2 + 15:16]),
830 320 igorm
   .Write     (TXCTRL_Wr[2]),
831 304 tadejm
   .Clk       (Clk),
832
   .Reset     (Reset),
833 147 mohor
   .SyncReset (RstTxPauseRq)
834
  );
835 304 tadejm
assign TXCTRLOut[31:`ETH_TX_CTRL_WIDTH_2 + 16] = 0;
836 147 mohor
 
837
// RXCTRL Register
838 304 tadejm
eth_register #(`ETH_RX_CTRL_WIDTH_0, `ETH_RX_CTRL_DEF_0)      RXCTRL_0
839 147 mohor
  (
840 304 tadejm
   .DataIn    (DataIn[`ETH_RX_CTRL_WIDTH_0 - 1:0]),
841
   .DataOut   (RXCTRLOut[`ETH_RX_CTRL_WIDTH_0 - 1:0]),
842 320 igorm
   .Write     (RXCTRL_Wr[0]),
843 147 mohor
   .Clk       (Clk),
844
   .Reset     (Reset),
845
   .SyncReset (1'b0)
846
  );
847 304 tadejm
eth_register #(`ETH_RX_CTRL_WIDTH_1, `ETH_RX_CTRL_DEF_1)      RXCTRL_1
848
  (
849
   .DataIn    (DataIn[`ETH_RX_CTRL_WIDTH_1 + 7:8]),
850
   .DataOut   (RXCTRLOut[`ETH_RX_CTRL_WIDTH_1 + 7:8]),
851 320 igorm
   .Write     (RXCTRL_Wr[1]),
852 304 tadejm
   .Clk       (Clk),
853
   .Reset     (Reset),
854
   .SyncReset (1'b0)
855
  );
856
assign RXCTRLOut[31:`ETH_RX_CTRL_WIDTH_1 + 8] = 0;
857 147 mohor
 
858
 
859 139 mohor
// Reading data from registers
860
always @ (Address       or Read           or MODEROut       or INT_SOURCEOut  or
861
          INT_MASKOut   or IPGTOut        or IPGR1Out       or IPGR2Out       or
862
          PACKETLENOut  or COLLCONFOut    or CTRLMODEROut   or MIIMODEROut    or
863
          MIICOMMANDOut or MIIADDRESSOut  or MIITX_DATAOut  or MIIRX_DATAOut  or
864
          MIISTATUSOut  or MAC_ADDR0Out   or MAC_ADDR1Out   or TX_BD_NUMOut   or
865 147 mohor
          HASH0Out      or HASH1Out       or TXCTRLOut      or RXCTRLOut
866 139 mohor
         )
867 15 mohor
begin
868
  if(Read)  // read
869
    begin
870
      case(Address)
871 20 mohor
        `ETH_MODER_ADR        :  DataOut<=MODEROut;
872
        `ETH_INT_SOURCE_ADR   :  DataOut<=INT_SOURCEOut;
873
        `ETH_INT_MASK_ADR     :  DataOut<=INT_MASKOut;
874
        `ETH_IPGT_ADR         :  DataOut<=IPGTOut;
875
        `ETH_IPGR1_ADR        :  DataOut<=IPGR1Out;
876
        `ETH_IPGR2_ADR        :  DataOut<=IPGR2Out;
877
        `ETH_PACKETLEN_ADR    :  DataOut<=PACKETLENOut;
878
        `ETH_COLLCONF_ADR     :  DataOut<=COLLCONFOut;
879
        `ETH_CTRLMODER_ADR    :  DataOut<=CTRLMODEROut;
880
        `ETH_MIIMODER_ADR     :  DataOut<=MIIMODEROut;
881
        `ETH_MIICOMMAND_ADR   :  DataOut<=MIICOMMANDOut;
882
        `ETH_MIIADDRESS_ADR   :  DataOut<=MIIADDRESSOut;
883
        `ETH_MIITX_DATA_ADR   :  DataOut<=MIITX_DATAOut;
884
        `ETH_MIIRX_DATA_ADR   :  DataOut<=MIIRX_DATAOut;
885
        `ETH_MIISTATUS_ADR    :  DataOut<=MIISTATUSOut;
886
        `ETH_MAC_ADDR0_ADR    :  DataOut<=MAC_ADDR0Out;
887
        `ETH_MAC_ADDR1_ADR    :  DataOut<=MAC_ADDR1Out;
888 34 mohor
        `ETH_TX_BD_NUM_ADR    :  DataOut<=TX_BD_NUMOut;
889 56 mohor
        `ETH_HASH0_ADR        :  DataOut<=HASH0Out;
890
        `ETH_HASH1_ADR        :  DataOut<=HASH1Out;
891 147 mohor
        `ETH_TX_CTRL_ADR      :  DataOut<=TXCTRLOut;
892
        `ETH_RX_CTRL_ADR      :  DataOut<=RXCTRLOut;
893
 
894 15 mohor
        default:             DataOut<=32'h0;
895
      endcase
896
    end
897
  else
898
    DataOut<=32'h0;
899
end
900
 
901
 
902
assign r_RecSmall         = MODEROut[16];
903
assign r_Pad              = MODEROut[15];
904
assign r_HugEn            = MODEROut[14];
905
assign r_CrcEn            = MODEROut[13];
906
assign r_DlyCrcEn         = MODEROut[12];
907 244 mohor
// assign r_Rst           = MODEROut[11];   This signal is not used any more
908 15 mohor
assign r_FullD            = MODEROut[10];
909
assign r_ExDfrEn          = MODEROut[9];
910
assign r_NoBckof          = MODEROut[8];
911
assign r_LoopBck          = MODEROut[7];
912
assign r_IFG              = MODEROut[6];
913
assign r_Pro              = MODEROut[5];
914
assign r_Iam              = MODEROut[4];
915
assign r_Bro              = MODEROut[3];
916
assign r_NoPre            = MODEROut[2];
917 143 mohor
assign r_TxEn             = MODEROut[1] & (TX_BD_NUMOut>0);     // Transmission is enabled when there is at least one TxBD.
918
assign r_RxEn             = MODEROut[0] & (TX_BD_NUMOut<'h80);  // Reception is enabled when there is  at least one RxBD.
919 15 mohor
 
920
assign r_IPGT[6:0]        = IPGTOut[6:0];
921
 
922
assign r_IPGR1[6:0]       = IPGR1Out[6:0];
923
 
924
assign r_IPGR2[6:0]       = IPGR2Out[6:0];
925
 
926
assign r_MinFL[15:0]      = PACKETLENOut[31:16];
927
assign r_MaxFL[15:0]      = PACKETLENOut[15:0];
928
 
929 56 mohor
assign r_MaxRet[3:0]      = COLLCONFOut[19:16];
930
assign r_CollValid[5:0]   = COLLCONFOut[5:0];
931 15 mohor
 
932
assign r_TxFlow           = CTRLMODEROut[2];
933
assign r_RxFlow           = CTRLMODEROut[1];
934
assign r_PassAll          = CTRLMODEROut[0];
935
 
936
assign r_MiiNoPre         = MIIMODEROut[8];
937
assign r_ClkDiv[7:0]      = MIIMODEROut[7:0];
938
 
939
assign r_WCtrlData        = MIICOMMANDOut[2];
940
assign r_RStat            = MIICOMMANDOut[1];
941
assign r_ScanStat         = MIICOMMANDOut[0];
942
 
943
assign r_RGAD[4:0]        = MIIADDRESSOut[12:8];
944
assign r_FIAD[4:0]        = MIIADDRESSOut[4:0];
945
 
946
assign r_CtrlData[15:0]   = MIITX_DATAOut[15:0];
947
 
948 139 mohor
assign MIISTATUSOut[31:`ETH_MIISTATUS_WIDTH] = 0;
949
assign MIISTATUSOut[2]    = NValid_stat         ;
950
assign MIISTATUSOut[1]    = Busy_stat           ;
951
assign MIISTATUSOut[0]    = LinkFail            ;
952 15 mohor
 
953
assign r_MAC[31:0]        = MAC_ADDR0Out[31:0];
954
assign r_MAC[47:32]       = MAC_ADDR1Out[15:0];
955 52 billditt
assign r_HASH1[31:0]      = HASH1Out;
956
assign r_HASH0[31:0]      = HASH0Out;
957 15 mohor
 
958 147 mohor
assign r_TxBDNum[7:0]     = TX_BD_NUMOut[7:0];
959 15 mohor
 
960 147 mohor
assign r_TxPauseTV[15:0]  = TXCTRLOut[15:0];
961
assign r_TxPauseRq        = TXCTRLOut[16];
962 15 mohor
 
963 147 mohor
 
964
// Synchronizing TxC Interrupt
965
always @ (posedge TxClk or posedge Reset)
966
begin
967
  if(Reset)
968
    SetTxCIrq_txclk <=#Tp 1'b0;
969
  else
970
  if(TxCtrlEndFrm & StartTxDone & r_TxFlow)
971
    SetTxCIrq_txclk <=#Tp 1'b1;
972
  else
973
  if(ResetTxCIrq_sync2)
974
    SetTxCIrq_txclk <=#Tp 1'b0;
975
end
976
 
977
 
978
always @ (posedge Clk or posedge Reset)
979
begin
980
  if(Reset)
981
    SetTxCIrq_sync1 <=#Tp 1'b0;
982
  else
983
    SetTxCIrq_sync1 <=#Tp SetTxCIrq_txclk;
984
end
985
 
986
always @ (posedge Clk or posedge Reset)
987
begin
988
  if(Reset)
989
    SetTxCIrq_sync2 <=#Tp 1'b0;
990
  else
991
    SetTxCIrq_sync2 <=#Tp SetTxCIrq_sync1;
992
end
993
 
994
always @ (posedge Clk or posedge Reset)
995
begin
996
  if(Reset)
997
    SetTxCIrq_sync3 <=#Tp 1'b0;
998
  else
999
    SetTxCIrq_sync3 <=#Tp SetTxCIrq_sync2;
1000
end
1001
 
1002
always @ (posedge Clk or posedge Reset)
1003
begin
1004
  if(Reset)
1005
    SetTxCIrq <=#Tp 1'b0;
1006
  else
1007
    SetTxCIrq <=#Tp SetTxCIrq_sync2 & ~SetTxCIrq_sync3;
1008
end
1009
 
1010
always @ (posedge TxClk or posedge Reset)
1011
begin
1012
  if(Reset)
1013
    ResetTxCIrq_sync1 <=#Tp 1'b0;
1014
  else
1015
    ResetTxCIrq_sync1 <=#Tp SetTxCIrq_sync2;
1016
end
1017
 
1018
always @ (posedge TxClk or posedge Reset)
1019
begin
1020
  if(Reset)
1021
    ResetTxCIrq_sync2 <=#Tp 1'b0;
1022
  else
1023
    ResetTxCIrq_sync2 <=#Tp SetTxCIrq_sync1;
1024
end
1025
 
1026
 
1027
// Synchronizing RxC Interrupt
1028
always @ (posedge RxClk or posedge Reset)
1029
begin
1030
  if(Reset)
1031
    SetRxCIrq_rxclk <=#Tp 1'b0;
1032
  else
1033 261 mohor
  if(SetPauseTimer & r_RxFlow)
1034 147 mohor
    SetRxCIrq_rxclk <=#Tp 1'b1;
1035
  else
1036 261 mohor
  if(ResetRxCIrq_sync2 & (~ResetRxCIrq_sync3))
1037 147 mohor
    SetRxCIrq_rxclk <=#Tp 1'b0;
1038
end
1039
 
1040
 
1041
always @ (posedge Clk or posedge Reset)
1042
begin
1043
  if(Reset)
1044
    SetRxCIrq_sync1 <=#Tp 1'b0;
1045
  else
1046
    SetRxCIrq_sync1 <=#Tp SetRxCIrq_rxclk;
1047
end
1048
 
1049
always @ (posedge Clk or posedge Reset)
1050
begin
1051
  if(Reset)
1052
    SetRxCIrq_sync2 <=#Tp 1'b0;
1053
  else
1054
    SetRxCIrq_sync2 <=#Tp SetRxCIrq_sync1;
1055
end
1056
 
1057
always @ (posedge Clk or posedge Reset)
1058
begin
1059
  if(Reset)
1060
    SetRxCIrq_sync3 <=#Tp 1'b0;
1061
  else
1062
    SetRxCIrq_sync3 <=#Tp SetRxCIrq_sync2;
1063
end
1064
 
1065
always @ (posedge Clk or posedge Reset)
1066
begin
1067
  if(Reset)
1068
    SetRxCIrq <=#Tp 1'b0;
1069
  else
1070
    SetRxCIrq <=#Tp SetRxCIrq_sync2 & ~SetRxCIrq_sync3;
1071
end
1072
 
1073
always @ (posedge RxClk or posedge Reset)
1074
begin
1075
  if(Reset)
1076
    ResetRxCIrq_sync1 <=#Tp 1'b0;
1077
  else
1078
    ResetRxCIrq_sync1 <=#Tp SetRxCIrq_sync2;
1079
end
1080
 
1081 261 mohor
always @ (posedge RxClk or posedge Reset)
1082 147 mohor
begin
1083
  if(Reset)
1084
    ResetRxCIrq_sync2 <=#Tp 1'b0;
1085
  else
1086 261 mohor
    ResetRxCIrq_sync2 <=#Tp ResetRxCIrq_sync1;
1087 147 mohor
end
1088
 
1089 261 mohor
always @ (posedge RxClk or posedge Reset)
1090
begin
1091
  if(Reset)
1092
    ResetRxCIrq_sync3 <=#Tp 1'b0;
1093
  else
1094
    ResetRxCIrq_sync3 <=#Tp ResetRxCIrq_sync2;
1095
end
1096 147 mohor
 
1097
 
1098
 
1099 21 mohor
// Interrupt generation
1100
always @ (posedge Clk or posedge Reset)
1101
begin
1102
  if(Reset)
1103
    irq_txb <= 1'b0;
1104
  else
1105 102 mohor
  if(TxB_IRQ)
1106 21 mohor
    irq_txb <= #Tp 1'b1;
1107
  else
1108 320 igorm
  if(INT_SOURCE_Wr[0] & DataIn[0])
1109 21 mohor
    irq_txb <= #Tp 1'b0;
1110
end
1111
 
1112
always @ (posedge Clk or posedge Reset)
1113
begin
1114
  if(Reset)
1115
    irq_txe <= 1'b0;
1116
  else
1117 102 mohor
  if(TxE_IRQ)
1118 21 mohor
    irq_txe <= #Tp 1'b1;
1119
  else
1120 320 igorm
  if(INT_SOURCE_Wr[0] & DataIn[1])
1121 21 mohor
    irq_txe <= #Tp 1'b0;
1122
end
1123
 
1124
always @ (posedge Clk or posedge Reset)
1125
begin
1126
  if(Reset)
1127
    irq_rxb <= 1'b0;
1128
  else
1129 102 mohor
  if(RxB_IRQ)
1130 21 mohor
    irq_rxb <= #Tp 1'b1;
1131
  else
1132 320 igorm
  if(INT_SOURCE_Wr[0] & DataIn[2])
1133 21 mohor
    irq_rxb <= #Tp 1'b0;
1134
end
1135
 
1136
always @ (posedge Clk or posedge Reset)
1137
begin
1138
  if(Reset)
1139 74 mohor
    irq_rxe <= 1'b0;
1140 21 mohor
  else
1141 102 mohor
  if(RxE_IRQ)
1142 74 mohor
    irq_rxe <= #Tp 1'b1;
1143 21 mohor
  else
1144 320 igorm
  if(INT_SOURCE_Wr[0] & DataIn[3])
1145 74 mohor
    irq_rxe <= #Tp 1'b0;
1146 21 mohor
end
1147
 
1148
always @ (posedge Clk or posedge Reset)
1149
begin
1150
  if(Reset)
1151
    irq_busy <= 1'b0;
1152
  else
1153 102 mohor
  if(Busy_IRQ)
1154 21 mohor
    irq_busy <= #Tp 1'b1;
1155
  else
1156 320 igorm
  if(INT_SOURCE_Wr[0] & DataIn[4])
1157 21 mohor
    irq_busy <= #Tp 1'b0;
1158
end
1159
 
1160 74 mohor
always @ (posedge Clk or posedge Reset)
1161
begin
1162
  if(Reset)
1163
    irq_txc <= 1'b0;
1164
  else
1165 147 mohor
  if(SetTxCIrq)
1166 74 mohor
    irq_txc <= #Tp 1'b1;
1167
  else
1168 320 igorm
  if(INT_SOURCE_Wr[0] & DataIn[5])
1169 74 mohor
    irq_txc <= #Tp 1'b0;
1170
end
1171
 
1172
always @ (posedge Clk or posedge Reset)
1173
begin
1174
  if(Reset)
1175
    irq_rxc <= 1'b0;
1176
  else
1177 147 mohor
  if(SetRxCIrq)
1178 74 mohor
    irq_rxc <= #Tp 1'b1;
1179
  else
1180 320 igorm
  if(INT_SOURCE_Wr[0] & DataIn[6])
1181 74 mohor
    irq_rxc <= #Tp 1'b0;
1182
end
1183
 
1184 21 mohor
// Generating interrupt signal
1185 102 mohor
assign int_o = irq_txb  & INT_MASKOut[0] |
1186
               irq_txe  & INT_MASKOut[1] |
1187
               irq_rxb  & INT_MASKOut[2] |
1188
               irq_rxe  & INT_MASKOut[3] |
1189
               irq_busy & INT_MASKOut[4] |
1190
               irq_txc  & INT_MASKOut[5] |
1191
               irq_rxc  & INT_MASKOut[6] ;
1192 21 mohor
 
1193
// For reading interrupt status
1194 304 tadejm
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};
1195 21 mohor
 
1196
 
1197
 
1198 15 mohor
endmodule

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