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(6/6) bcm57xx: package
[openwrt.git] / package / broadcom-57xx / src / tigon3.c
1 /******************************************************************************/
2 /* */
3 /* Broadcom BCM5700 Linux Network Driver, Copyright (c) 2000 - 2005 Broadcom */
4 /* Corporation. */
5 /* All rights reserved. */
6 /* */
7 /* This program is free software; you can redistribute it and/or modify */
8 /* it under the terms of the GNU General Public License as published by */
9 /* the Free Software Foundation, located in the file LICENSE. */
10 /* */
11 /* History: */
12 /******************************************************************************/
13
14 /* $Id: tigon3.c,v 1.10 2007/06/01 05:58:19 michael Exp $ */
15
16 #include "mm.h"
17 #include "typedefs.h"
18 #include "osl.h"
19 #include "bcmdefs.h"
20 #include "bcmdevs.h"
21 #include "sbutils.h"
22 #include "bcmrobo.h"
23 #include "proto/ethernet.h"
24
25 /******************************************************************************/
26 /* Local functions. */
27 /******************************************************************************/
28
29 LM_STATUS LM_Abort(PLM_DEVICE_BLOCK pDevice);
30 LM_STATUS LM_QueueRxPackets(PLM_DEVICE_BLOCK pDevice);
31
32 static LM_STATUS LM_InitBcm540xPhy(PLM_DEVICE_BLOCK pDevice);
33 static LM_VOID LM_PhyTapPowerMgmt(LM_DEVICE_BLOCK *pDevice);
34
35 LM_VOID LM_ServiceRxInterrupt(PLM_DEVICE_BLOCK pDevice);
36 LM_VOID LM_ServiceTxInterrupt(PLM_DEVICE_BLOCK pDevice);
37
38 static LM_STATUS LM_ForceAutoNeg(PLM_DEVICE_BLOCK pDevice);
39 static LM_UINT32 GetPhyAdFlowCntrlSettings(PLM_DEVICE_BLOCK pDevice);
40 STATIC LM_STATUS LM_SetFlowControl(PLM_DEVICE_BLOCK pDevice,
41 LM_UINT32 LocalPhyAd, LM_UINT32 RemotePhyAd);
42 #ifdef INCLUDE_TBI_SUPPORT
43 STATIC LM_STATUS LM_SetupFiberPhy(PLM_DEVICE_BLOCK pDevice);
44 STATIC LM_STATUS LM_InitBcm800xPhy(PLM_DEVICE_BLOCK pDevice);
45 #endif
46 STATIC LM_STATUS LM_SetupCopperPhy(PLM_DEVICE_BLOCK pDevice);
47 STATIC LM_VOID LM_SetEthWireSpeed(LM_DEVICE_BLOCK *pDevice);
48 STATIC LM_STATUS LM_PhyAdvertiseAll(LM_DEVICE_BLOCK *pDevice);
49 STATIC PLM_ADAPTER_INFO LM_GetAdapterInfoBySsid(LM_UINT16 Svid, LM_UINT16 Ssid);
50 LM_VOID LM_SwitchVaux(PLM_DEVICE_BLOCK pDevice, PLM_DEVICE_BLOCK pDevice2);
51 STATIC LM_STATUS LM_DmaTest(PLM_DEVICE_BLOCK pDevice, PLM_UINT8 pBufferVirt,
52 LM_PHYSICAL_ADDRESS BufferPhy, LM_UINT32 BufferSize);
53 STATIC LM_STATUS LM_DisableChip(PLM_DEVICE_BLOCK pDevice);
54 STATIC LM_STATUS LM_ResetChip(PLM_DEVICE_BLOCK pDevice);
55 STATIC LM_STATUS LM_DisableFW(PLM_DEVICE_BLOCK pDevice);
56 STATIC LM_STATUS LM_Test4GBoundary(PLM_DEVICE_BLOCK pDevice, PLM_PACKET pPacket,
57 PT3_SND_BD pSendBd);
58 STATIC LM_VOID LM_WritePreResetSignatures(LM_DEVICE_BLOCK *pDevice,
59 LM_RESET_TYPE Mode);
60 STATIC LM_VOID LM_WritePostResetSignatures(LM_DEVICE_BLOCK *pDevice,
61 LM_RESET_TYPE Mode);
62 STATIC LM_VOID LM_WriteLegacySignatures(LM_DEVICE_BLOCK *pDevice,
63 LM_RESET_TYPE Mode);
64 STATIC void LM_GetPhyId(LM_DEVICE_BLOCK *pDevice);
65
66 /******************************************************************************/
67 /* External functions. */
68 /******************************************************************************/
69
70 LM_STATUS LM_LoadRlsFirmware(PLM_DEVICE_BLOCK pDevice);
71 #ifdef INCLUDE_TCP_SEG_SUPPORT
72 LM_STATUS LM_LoadStkOffLdFirmware(PLM_DEVICE_BLOCK pDevice);
73 LM_UINT32 LM_GetStkOffLdFirmwareSize(PLM_DEVICE_BLOCK pDevice);
74 #endif
75
76 LM_UINT32
77 LM_RegRd(PLM_DEVICE_BLOCK pDevice, LM_UINT32 Register)
78 {
79 #ifdef PCIX_TARGET_WORKAROUND
80 if (pDevice->Flags & UNDI_FIX_FLAG)
81 {
82 return (LM_RegRdInd(pDevice, Register));
83 }
84 else
85 #endif
86 {
87 return (REG_RD_OFFSET(pDevice, Register));
88 }
89 }
90
91 /* Mainly used to flush posted write before delaying */
92 LM_VOID
93 LM_RegRdBack(PLM_DEVICE_BLOCK pDevice, LM_UINT32 Register)
94 {
95 LM_UINT32 dummy;
96
97 #ifdef PCIX_TARGET_WORKAROUND
98 if (pDevice->Flags & ENABLE_PCIX_FIX_FLAG)
99 {
100 return;
101 }
102 else
103 #endif
104 {
105 if (pDevice->Flags & REG_RD_BACK_FLAG)
106 return;
107
108 dummy = REG_RD_OFFSET(pDevice, Register);
109 }
110 }
111
112 LM_VOID
113 LM_RegWr(PLM_DEVICE_BLOCK pDevice, LM_UINT32 Register, LM_UINT32 Value32,
114 LM_UINT32 ReadBack)
115 {
116 #ifdef PCIX_TARGET_WORKAROUND
117 if (pDevice->Flags & ENABLE_PCIX_FIX_FLAG)
118 {
119 LM_RegWrInd(pDevice, Register, Value32);
120 }
121 else
122 #endif
123 {
124 LM_UINT32 dummy;
125
126 REG_WR_OFFSET(pDevice, Register, Value32);
127 if (ReadBack && (pDevice->Flags & REG_RD_BACK_FLAG))
128 {
129 dummy = REG_RD_OFFSET(pDevice, Register);
130 }
131 }
132 }
133
134 /******************************************************************************/
135 /* Description: */
136 /* */
137 /* Return: */
138 /******************************************************************************/
139 LM_UINT32
140 LM_RegRdInd(
141 PLM_DEVICE_BLOCK pDevice,
142 LM_UINT32 Register) {
143 LM_UINT32 Value32;
144
145 MM_ACQUIRE_UNDI_LOCK(pDevice);
146 MM_WriteConfig32(pDevice, T3_PCI_REG_ADDR_REG, Register);
147 MM_ReadConfig32(pDevice, T3_PCI_REG_DATA_REG, &Value32);
148 MM_RELEASE_UNDI_LOCK(pDevice);
149
150 return MM_SWAP_LE32(Value32);
151 } /* LM_RegRdInd */
152
153
154
155 /******************************************************************************/
156 /* Description: */
157 /* */
158 /* Return: */
159 /******************************************************************************/
160 LM_VOID
161 LM_RegWrInd(
162 PLM_DEVICE_BLOCK pDevice,
163 LM_UINT32 Register,
164 LM_UINT32 Value32) {
165
166 MM_ACQUIRE_UNDI_LOCK(pDevice);
167 MM_WriteConfig32(pDevice, T3_PCI_REG_ADDR_REG, Register);
168 MM_WriteConfig32(pDevice, T3_PCI_REG_DATA_REG, MM_SWAP_LE32(Value32));
169 MM_RELEASE_UNDI_LOCK(pDevice);
170 } /* LM_RegWrInd */
171
172
173
174 /******************************************************************************/
175 /* Description: */
176 /* */
177 /* Return: */
178 /******************************************************************************/
179 LM_UINT32
180 LM_MemRdInd(
181 PLM_DEVICE_BLOCK pDevice,
182 LM_UINT32 MemAddr) {
183 LM_UINT32 Value32;
184
185 MM_ACQUIRE_UNDI_LOCK(pDevice);
186 MM_WriteConfig32(pDevice, T3_PCI_MEM_WIN_ADDR_REG, MemAddr);
187 MM_ReadConfig32(pDevice, T3_PCI_MEM_WIN_DATA_REG, &Value32);
188 MM_RELEASE_UNDI_LOCK(pDevice);
189
190 return MM_SWAP_LE32(Value32);
191 } /* LM_MemRdInd */
192
193
194
195 /******************************************************************************/
196 /* Description: */
197 /* */
198 /* Return: */
199 /******************************************************************************/
200 LM_VOID
201 LM_MemWrInd(
202 PLM_DEVICE_BLOCK pDevice,
203 LM_UINT32 MemAddr,
204 LM_UINT32 Value32) {
205 MM_ACQUIRE_UNDI_LOCK(pDevice);
206 MM_WriteConfig32(pDevice, T3_PCI_MEM_WIN_ADDR_REG, MemAddr);
207 MM_WriteConfig32(pDevice, T3_PCI_MEM_WIN_DATA_REG, MM_SWAP_LE32(Value32));
208 MM_RELEASE_UNDI_LOCK(pDevice);
209 } /* LM_MemWrInd */
210
211
212 /******************************************************************************/
213 /* Description: */
214 /* */
215 /* Return: */
216 /******************************************************************************/
217 LM_STATUS
218 LM_QueueRxPackets(
219 PLM_DEVICE_BLOCK pDevice) {
220 LM_STATUS Lmstatus;
221 PLM_PACKET pPacket;
222 PT3_RCV_BD pRcvBd = 0;
223 LM_UINT32 StdBdAdded = 0;
224 #if T3_JUMBO_RCV_RCB_ENTRY_COUNT
225 LM_UINT32 JumboBdAdded = 0;
226 #endif /* T3_JUMBO_RCV_RCB_ENTRY_COUNT */
227 LM_UINT32 ConIdx, Idx;
228 LM_UINT32 Diff = 0;
229
230 Lmstatus = LM_STATUS_SUCCESS;
231
232 if (pDevice->Flags & RX_BD_LIMIT_64_FLAG)
233 {
234 ConIdx = pDevice->pStatusBlkVirt->RcvStdConIdx;
235 Diff = (pDevice->RxStdProdIdx - ConIdx) &
236 T3_STD_RCV_RCB_ENTRY_COUNT_MASK;
237 if (Diff >= 56)
238 {
239 if (QQ_GetEntryCnt(&pDevice->RxPacketFreeQ.Container))
240 {
241 pDevice->QueueAgain = TRUE;
242 }
243 return LM_STATUS_SUCCESS;
244 }
245 }
246
247 pDevice->QueueAgain = FALSE;
248
249 pPacket = (PLM_PACKET) QQ_PopHead(&pDevice->RxPacketFreeQ.Container);
250 while(pPacket) {
251 switch(pPacket->u.Rx.RcvProdRing) {
252 #if T3_JUMBO_RCV_RCB_ENTRY_COUNT
253 case T3_JUMBO_RCV_PROD_RING: /* Jumbo Receive Ring. */
254 /* Initialize the buffer descriptor. */
255 Idx = pDevice->RxJumboProdIdx;
256 pRcvBd = &pDevice->pRxJumboBdVirt[Idx];
257
258 pPacket->u.Rx.RcvRingProdIdx = Idx;
259 pDevice->RxJumboRing[Idx] = pPacket;
260 /* Update the producer index. */
261 pDevice->RxJumboProdIdx = (Idx + 1) &
262 T3_JUMBO_RCV_RCB_ENTRY_COUNT_MASK;
263
264 JumboBdAdded++;
265 break;
266 #endif /* T3_JUMBO_RCV_RCB_ENTRY_COUNT */
267
268 case T3_STD_RCV_PROD_RING: /* Standard Receive Ring. */
269 /* Initialize the buffer descriptor. */
270 Idx = pDevice->RxStdProdIdx;
271 pRcvBd = &pDevice->pRxStdBdVirt[Idx];
272
273 pPacket->u.Rx.RcvRingProdIdx = Idx;
274 pDevice->RxStdRing[Idx] = pPacket;
275 /* Update the producer index. */
276 pDevice->RxStdProdIdx = (Idx + 1) &
277 T3_STD_RCV_RCB_ENTRY_COUNT_MASK;
278
279 StdBdAdded++;
280 break;
281
282 case T3_UNKNOWN_RCV_PROD_RING:
283 default:
284 Lmstatus = LM_STATUS_FAILURE;
285 break;
286 } /* switch */
287
288 /* Bail out if there is any error. */
289 if(Lmstatus != LM_STATUS_SUCCESS)
290 {
291 break;
292 }
293
294 /* Initialize the receive buffer pointer */
295 MM_MapRxDma(pDevice, pPacket, &pRcvBd->HostAddr);
296
297 /* The opaque field may point to an offset from a fix addr. */
298 pRcvBd->Opaque = (LM_UINT32) (MM_UINT_PTR(pPacket) -
299 MM_UINT_PTR(pDevice->pPacketDescBase));
300
301 if ((pDevice->Flags & RX_BD_LIMIT_64_FLAG) &&
302 ((Diff + StdBdAdded) >= 63))
303 {
304 if (QQ_GetEntryCnt(&pDevice->RxPacketFreeQ.Container))
305 {
306 pDevice->QueueAgain = TRUE;
307 }
308 break;
309 }
310 pPacket = (PLM_PACKET) QQ_PopHead(&pDevice->RxPacketFreeQ.Container);
311 } /* while */
312
313 MM_WMB();
314 /* Update the procedure index. */
315 if(StdBdAdded)
316 {
317 MB_REG_WR(pDevice, Mailbox.RcvStdProdIdx.Low,
318 pDevice->RxStdProdIdx);
319 if (pDevice->Flags & FLUSH_POSTED_WRITE_FLAG)
320 {
321 MB_REG_RD(pDevice, Mailbox.RcvStdProdIdx.Low);
322 }
323 }
324 #if T3_JUMBO_RCV_RCB_ENTRY_COUNT
325 if(JumboBdAdded)
326 {
327 MB_REG_WR(pDevice, Mailbox.RcvJumboProdIdx.Low,
328 pDevice->RxJumboProdIdx);
329 if (pDevice->Flags & FLUSH_POSTED_WRITE_FLAG)
330 {
331 MB_REG_RD(pDevice, Mailbox.RcvJumboProdIdx.Low);
332 }
333 }
334 #endif /* T3_JUMBO_RCV_RCB_ENTRY_COUNT */
335
336 return Lmstatus;
337 } /* LM_QueueRxPackets */
338
339
340
341
342 #define EEPROM_CMD_TIMEOUT 100000
343 #define NVRAM_CMD_TIMEOUT 100000
344
345
346 /******************************************************************************/
347 /* Description: */
348 /* */
349 /* Return: */
350 /******************************************************************************/
351 STATIC LM_STATUS LM_NVRAM_AcquireLock( PLM_DEVICE_BLOCK pDevice )
352 {
353 LM_UINT i;
354 LM_UINT32 value32;
355 LM_STATUS status;
356
357 status = LM_STATUS_SUCCESS;
358
359 /* BCM4785: Avoid all access to NVRAM & EEPROM. */
360 if (pDevice->Flags & SB_CORE_FLAG)
361 return status;
362
363 /* Request access to the flash interface. */
364 REG_WR( pDevice, Nvram.SwArb, SW_ARB_REQ_SET1 );
365
366 /*
367 * The worst case wait time for Nvram arbitration
368 * using serial eprom is about 45 msec on a 5704
369 * with the other channel loading boot code.
370 */
371 for( i = 0; i < NVRAM_CMD_TIMEOUT; i++ )
372 {
373 value32 = REG_RD( pDevice, Nvram.SwArb );
374 if( value32 & SW_ARB_GNT1 )
375 {
376 break;
377 }
378 MM_Wait(20);
379 }
380
381
382 return status;
383 } /* LM_NVRAM_AcquireLock */
384
385
386
387 /******************************************************************************/
388 /* Description: */
389 /* */
390 /* Return: */
391 /******************************************************************************/
392 STATIC LM_STATUS LM_NVRAM_ReleaseLock( PLM_DEVICE_BLOCK pDevice )
393 {
394 /* BCM4785: Avoid all access to NVRAM & EEPROM. */
395 if (pDevice->Flags & SB_CORE_FLAG)
396 return LM_STATUS_SUCCESS;
397
398 /* Relinquish nvram interface. */
399 REG_WR( pDevice, Nvram.SwArb, SW_ARB_REQ_CLR1 );
400 REG_RD_BACK( pDevice, Nvram.SwArb );
401
402 return LM_STATUS_SUCCESS;
403 } /* LM_NVRAM_ReleaseLock */
404
405
406
407 /******************************************************************************/
408 /* Description: */
409 /* */
410 /* Return: */
411 /******************************************************************************/
412 STATIC LM_STATUS
413 LM_EEPROM_ExecuteCommand( PLM_DEVICE_BLOCK pDevice, LM_UINT32 cmd )
414 {
415 LM_UINT32 i;
416 LM_UINT32 value32;
417 LM_STATUS status;
418
419 status = LM_STATUS_SUCCESS;
420
421 REG_WR( pDevice, Grc.EepromAddr, cmd );
422
423 for( i = 0; i < EEPROM_CMD_TIMEOUT; i++ )
424 {
425 value32 = REG_RD( pDevice, Grc.EepromAddr );
426 if( value32 & SEEPROM_ADDR_COMPLETE )
427 {
428 break;
429 }
430 MM_Wait(20);
431 }
432
433 if( i == EEPROM_CMD_TIMEOUT )
434 {
435 B57_ERR(("EEPROM command (0x%x) timed out!\n", cmd));
436 status = LM_STATUS_FAILURE;
437 }
438
439 return status;
440 } /* LM_EEPROM_ExecuteCommand */
441
442
443
444 /******************************************************************************/
445 /* Description: */
446 /* */
447 /* Return: */
448 /******************************************************************************/
449 STATIC LM_STATUS
450 LM_NVRAM_ExecuteCommand( PLM_DEVICE_BLOCK pDevice, LM_UINT32 cmd )
451 {
452 LM_UINT32 i;
453 LM_UINT32 value32;
454 LM_STATUS status;
455
456 status = LM_STATUS_SUCCESS;
457
458 REG_WR( pDevice, Nvram.Cmd, cmd );
459 REG_RD_BACK( pDevice, Nvram.Cmd );
460 MM_Wait(10);
461
462 /* Wait for the command to complete. */
463 for( i = 0; i < NVRAM_CMD_TIMEOUT; i++ )
464 {
465 value32 = REG_RD( pDevice, Nvram.Cmd );
466 if( value32 & NVRAM_CMD_DONE )
467 {
468 break;
469 }
470 MM_Wait(1);
471 }
472
473 if( i == NVRAM_CMD_TIMEOUT )
474 {
475 B57_ERR(("NVRAM command (0x%x) timed out!\n", cmd));
476 status = LM_STATUS_FAILURE;
477 }
478
479 return status;
480 } /* LM_NVRAM_ExecuteCommand */
481
482
483
484 /******************************************************************************/
485 /* Description: */
486 /* */
487 /* Return: */
488 /******************************************************************************/
489 STATIC LM_STATUS
490 LM_EEPROM_Read_UINT32( PLM_DEVICE_BLOCK pDevice, LM_UINT32 offset,
491 LM_UINT32 * data )
492 {
493 LM_UINT32 value32;
494 LM_UINT32 Addr;
495 LM_UINT32 Dev;
496 LM_STATUS status;
497
498 Dev = offset / pDevice->flashinfo.chipsize;
499 Addr = offset % pDevice->flashinfo.chipsize;
500
501 value32 = REG_RD( pDevice, Grc.EepromAddr );
502 value32 &= ~(SEEPROM_ADDR_DEV_ID_MASK | SEEPROM_ADDR_ADDRESS_MASK |
503 SEEPROM_ADDR_RW_MASK);
504 value32 |= SEEPROM_ADDR_DEV_ID(Dev) | SEEPROM_ADDR_ADDRESS(Addr) |
505 SEEPROM_ADDR_START | SEEPROM_ADDR_READ;
506
507 status = LM_EEPROM_ExecuteCommand( pDevice, value32 );
508 if( status == LM_STATUS_SUCCESS )
509 {
510 value32 = REG_RD( pDevice, Grc.EepromData );
511
512 /* The endianess of the eeprom and flash interface is different */
513 *data = MM_SWAP_LE32( value32 );
514 }
515
516 return status;
517 } /* LM_EEPROM_Read_UINT32 */
518
519
520
521 /******************************************************************************/
522 /* Description: */
523 /* */
524 /* Return: */
525 /******************************************************************************/
526 STATIC LM_STATUS
527 LM_NVRAM_Read_UINT32( PLM_DEVICE_BLOCK pDevice, LM_UINT32 offset,
528 LM_UINT32 * data )
529 {
530 LM_UINT32 physaddr;
531 LM_UINT32 ctrlreg;
532 LM_UINT32 value32;
533 LM_STATUS status;
534
535 if( pDevice->flashinfo.jedecnum == JEDEC_ATMEL &&
536 pDevice->flashinfo.buffered == TRUE )
537 {
538 /*
539 * One supported flash part has 9 address bits to address a
540 * particular page and another 9 address bits to address a
541 * particular byte within that page.
542 */
543 LM_UINT32 pagenmbr;
544
545 pagenmbr = offset / pDevice->flashinfo.pagesize;
546 pagenmbr = pagenmbr << ATMEL_AT45DB0X1B_PAGE_POS;
547
548 physaddr = pagenmbr + (offset % pDevice->flashinfo.pagesize);
549 }
550 else
551 {
552 physaddr = offset;
553 }
554
555 REG_WR( pDevice, Nvram.Addr, physaddr );
556
557 ctrlreg = NVRAM_CMD_DONE | NVRAM_CMD_DO_IT |
558 NVRAM_CMD_LAST | NVRAM_CMD_FIRST | NVRAM_CMD_RD;
559
560 status = LM_NVRAM_ExecuteCommand( pDevice, ctrlreg );
561 if( status == LM_STATUS_SUCCESS )
562 {
563 value32 = REG_RD( pDevice, Nvram.ReadData );
564
565 /*
566 * Data is swapped so that the byte stream is the same
567 * in big and little endian systems. Caller will do
568 * additional swapping depending on how it wants to
569 * look at the data.
570 */
571 *data = MM_SWAP_BE32( value32 );
572 }
573
574 return status;
575 } /* LM_NVRAM_Read_UINT32 */
576
577
578 /******************************************************************************/
579 /* Description: */
580 /* */
581 /* Return: */
582 /******************************************************************************/
583 STATIC LM_VOID
584 LM_EEPROM_ReadSize( PLM_DEVICE_BLOCK pDevice, LM_UINT32 * size )
585 {
586 LM_UINT32 cursize;
587 LM_UINT32 value32;
588 LM_STATUS status;
589
590 /*
591 * Initialize the chipsize to the largest EEPROM size we support.
592 * This will intentionally restrict our sizing operations to the
593 * first EEPROM chip.
594 */
595 pDevice->flashinfo.chipsize = ATMEL_AT24C512_CHIP_SIZE;
596
597 value32 = 0;
598
599 /* If anything fails, use the smallest chip as the default chip size. */
600 cursize = ATMEL_AT24C64_CHIP_SIZE;
601
602 status = LM_NvramRead(pDevice, 0, &value32);
603 if( status != LM_STATUS_SUCCESS )
604 {
605 goto done;
606 }
607
608 value32 = MM_SWAP_BE32(value32);
609 if( value32 != 0x669955aa )
610 {
611 goto done;
612 }
613
614 /*
615 * Size the chip by reading offsets at increasing powers of two.
616 * When we encounter our validation signature, we know the addressing
617 * has wrapped around, and thus have our chip size.
618 */
619 while( cursize < ATMEL_AT24C64_CHIP_SIZE )
620 {
621 status = LM_NvramRead(pDevice, cursize, &value32);
622 if( status != LM_STATUS_SUCCESS )
623 {
624 cursize = ATMEL_AT24C64_CHIP_SIZE;
625 break;
626 }
627
628 value32 = MM_SWAP_BE32(value32);
629 if( value32 == 0x669955aa )
630 {
631 break;
632 }
633 cursize <<= 1;
634 }
635
636 done:
637
638 *size = cursize;
639 pDevice->flashinfo.pagesize = cursize;
640
641
642 } /* LM_EEPROM_ReadSize */
643
644 /******************************************************************************/
645 /* Description: */
646 /* */
647 /* Return: */
648 /******************************************************************************/
649 STATIC LM_STATUS
650 LM_FLASH_Atmel_Buffered_ReadSize( PLM_DEVICE_BLOCK pDevice, LM_UINT32 * size )
651 {
652 LM_UINT32 config3;
653 LM_UINT32 value32;
654 LM_STATUS status;
655
656 /* Temporarily replace the read command with a "read ID" command. */
657 config3 = REG_RD( pDevice, Nvram.Config3 );
658 value32 = config3 & ~NVRAM_READ_COMMAND(NVRAM_COMMAND_MASK);
659 value32 |= NVRAM_READ_COMMAND(0x57);
660 REG_WR( pDevice, Nvram.Config3, value32 );
661
662 REG_WR( pDevice, Nvram.Addr, 0x0 );
663
664 status = LM_NVRAM_Read_UINT32(pDevice, 0x0, &value32);
665
666 /* Restore the original read command. */
667 REG_WR( pDevice, Nvram.Config3, config3 );
668 if( status == LM_STATUS_SUCCESS )
669 {
670 switch( value32 & 0x3c )
671 {
672 case 0x0c:
673 *size = (1 * (1<<20))/8;
674 break;
675 case 0x14:
676 *size = (2 * (1<<20))/8;
677 break;
678 case 0x1c:
679 *size = (4 * (1<<20))/8;
680 break;
681 case 0x24:
682 *size = (8 * (1<<20))/8;
683 break;
684 }
685 }
686
687 return status;
688 } /* LM_FLASH_Atmel_Buffered_ReadSize */
689
690
691
692 /******************************************************************************/
693 /* Description: */
694 /* */
695 /* Return: */
696 /******************************************************************************/
697 STATIC LM_STATUS
698 LM_FLASH_ST_ReadSize( PLM_DEVICE_BLOCK pDevice, LM_UINT32 * size )
699 {
700 LM_STATUS status;
701 LM_UINT32 i;
702 LM_UINT32 ctrlreg;
703 LM_UINT32 value32;
704 LM_UINT32 config1;
705
706 /* We need to get the size through pass-thru mode. */
707 config1 = REG_RD( pDevice, Nvram.Config1 );
708 value32 = config1 | FLASH_PASS_THRU_MODE;
709 REG_WR( pDevice, Nvram.Config1, value32 );
710
711 /* Issue the "read ID" command. */
712 REG_WR( pDevice, Nvram.WriteData, 0x9f );
713
714 ctrlreg = NVRAM_CMD_DO_IT | NVRAM_CMD_DONE | NVRAM_CMD_FIRST | NVRAM_CMD_WR;
715 status = LM_NVRAM_ExecuteCommand( pDevice, ctrlreg );
716 if( status == LM_STATUS_FAILURE )
717 {
718 goto done;
719 }
720
721 /* Read in the "read ID" response. */
722 ctrlreg = NVRAM_CMD_DO_IT | NVRAM_CMD_DONE;
723
724 /* Discard the first three bytes. */
725 for( i = 0; i < 2; i++ )
726 {
727 status = LM_NVRAM_ExecuteCommand( pDevice, ctrlreg );
728 if( status == LM_STATUS_FAILURE )
729 {
730 goto done;
731 }
732
733 value32 = REG_RD(pDevice, Nvram.ReadData);
734 }
735
736 ctrlreg |= NVRAM_CMD_LAST;
737
738 status = LM_NVRAM_ExecuteCommand( pDevice, ctrlreg );
739 if( status == LM_STATUS_SUCCESS )
740 {
741 value32 = REG_RD(pDevice, Nvram.ReadData) & 0xff;
742 switch( value32 )
743 {
744 case 0x11:
745 *size = (1 * (1<<20)) / 8;
746 break;
747 case 0x12:
748 *size = (2 * (1<<20)) / 8;
749 break;
750 case 0x13:
751 *size = (4 * (1<<20)) / 8;
752 break;
753 case 0x14:
754 *size = (8 * (1<<20)) / 8;
755 break;
756 }
757 }
758
759 done:
760
761 /* Restore the previous flash mode. */
762 REG_WR( pDevice, Nvram.Config1, config1 );
763
764 return status;
765 } /* LM_FLASH_ST_ReadSize */
766
767
768
769 /******************************************************************************/
770 /* Description: */
771 /* */
772 /* Return: */
773 /******************************************************************************/
774 STATIC LM_STATUS
775 LM_FLASH_Saifun_ReadSize( PLM_DEVICE_BLOCK pDevice, LM_UINT32 * size )
776 {
777 LM_UINT32 config3;
778 LM_UINT32 value32;
779 LM_STATUS status;
780
781 /* Temporarily replace the read command with a "read ID" command. */
782 config3 = REG_RD( pDevice, Nvram.Config3 );
783 value32 = config3 & ~NVRAM_READ_COMMAND(NVRAM_COMMAND_MASK);
784 value32 |= NVRAM_READ_COMMAND(0xab);
785 REG_WR( pDevice, Nvram.Config3, value32 );
786
787 REG_WR( pDevice, Nvram.Addr, 0x0 );
788
789 status = LM_NVRAM_Read_UINT32(pDevice, 0x0, &value32);
790
791 /* Restore the original read command. */
792 REG_WR( pDevice, Nvram.Config3, config3 );
793
794 if( status == LM_STATUS_SUCCESS )
795 {
796 switch( value32 & 0xff )
797 {
798 case 0x05:
799 *size = (512 * (1<<10)/8);
800 break;
801 case 0x10:
802 *size = (1 * (1<<20)/8);
803 break;
804 case 0x11:
805 *size = (2 * (1<<20)/8);
806 break;
807 }
808 }
809
810 return status;
811 } /* LM_FLASH_Saifun_ReadSize */
812
813
814
815 /******************************************************************************/
816 /* Description: */
817 /* */
818 /* Return: */
819 /******************************************************************************/
820 STATIC LM_STATUS
821 LM_FLASH_ReadSize( PLM_DEVICE_BLOCK pDevice, LM_UINT32 * size )
822 {
823 LM_UINT32 value32;
824 LM_STATUS status;
825
826 status = LM_NVRAM_AcquireLock( pDevice );
827 if( status == LM_STATUS_FAILURE )
828 {
829 return status;
830 }
831
832 if(T3_ASIC_IS_575X_PLUS(pDevice->ChipRevId))
833 {
834 if( (pDevice->Flags & PROTECTED_NVRAM_FLAG) == 0)
835 {
836 value32 = REG_RD( pDevice, Nvram.NvmAccess );
837 value32 |= NVRAM_ACCESS_ENABLE | NVRAM_ACCESS_WRITE_ENABLE;
838 REG_WR( pDevice, Nvram.NvmAccess, value32 );
839 }
840 }
841
842 switch( pDevice->flashinfo.jedecnum )
843 {
844 case JEDEC_ST:
845 status = LM_FLASH_ST_ReadSize( pDevice, size );
846 break;
847 case JEDEC_ATMEL:
848 if( pDevice->flashinfo.buffered == TRUE )
849 {
850 status = LM_FLASH_Atmel_Buffered_ReadSize( pDevice, size );
851 }
852 else
853 {
854 status = LM_STATUS_FAILURE;
855 }
856 break;
857 case JEDEC_SAIFUN:
858 status = LM_FLASH_Saifun_ReadSize( pDevice, size );
859 break;
860 case JEDEC_SST:
861 default:
862 status = LM_STATUS_FAILURE;
863 }
864
865 if(T3_ASIC_IS_575X_PLUS(pDevice->ChipRevId))
866 {
867 if( (pDevice->Flags & PROTECTED_NVRAM_FLAG) == 0)
868 {
869 value32 = REG_RD( pDevice, Nvram.NvmAccess );
870 value32 &= ~(NVRAM_ACCESS_ENABLE | NVRAM_ACCESS_WRITE_ENABLE);
871 REG_WR( pDevice, Nvram.NvmAccess, value32 );
872 }
873 }
874
875 LM_NVRAM_ReleaseLock( pDevice );
876
877 return status;
878 } /* LM_FLASH_ReadSize */
879
880 STATIC LM_VOID LM_NVRAM_Detect_570X( PLM_DEVICE_BLOCK pDevice )
881 {
882 LM_UINT32 value32;
883
884 value32 = REG_RD(pDevice, Nvram.Config1);
885
886 if( (value32 & FLASH_INTERFACE_ENABLE) == 0 )
887 {
888 pDevice->flashinfo.romtype = ROM_TYPE_EEPROM;
889 }
890 else
891 {
892 /*
893 * 5705 and older products do not have bits 24 and 25 defined.
894 * If we've gotten here, then we can guarantee the flash is
895 * an Atmel AT45DB011DB.
896 */
897 pDevice->flashinfo.jedecnum = JEDEC_ATMEL;
898 pDevice->flashinfo.romtype = ROM_TYPE_FLASH;
899 pDevice->flashinfo.pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
900 pDevice->flashinfo.buffered = TRUE;
901 }
902 } /* LM_NVRAM_Detect_570X */
903
904 STATIC LM_VOID LM_NVRAM_Detect_5750( PLM_DEVICE_BLOCK pDevice )
905 {
906 LM_UINT32 value32;
907
908 value32 = REG_RD(pDevice, Nvram.Config1);
909
910 if( (value32 & FLASH_INTERFACE_ENABLE) == 0 )
911 {
912 pDevice->flashinfo.romtype = ROM_TYPE_EEPROM;
913 return;
914 }
915
916 pDevice->flashinfo.romtype = ROM_TYPE_FLASH;
917
918 switch( value32 & FLASH_PART_5750_TYPEMASK )
919 {
920 case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
921 pDevice->flashinfo.jedecnum = JEDEC_ATMEL;
922 pDevice->flashinfo.pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
923 pDevice->flashinfo.buffered = TRUE;
924 break;
925 case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
926 pDevice->flashinfo.jedecnum = JEDEC_ATMEL;
927 pDevice->flashinfo.pagesize = ATMEL_AT25F512_PAGE_SIZE;
928 pDevice->flashinfo.buffered = FALSE;
929 break;
930 case FLASH_VENDOR_ST:
931 pDevice->flashinfo.jedecnum = JEDEC_ST;
932 pDevice->flashinfo.pagesize = ST_M45PEX0_PAGE_SIZE;
933 pDevice->flashinfo.buffered = TRUE;
934 break;
935 case FLASH_VENDOR_SAIFUN:
936 pDevice->flashinfo.jedecnum = JEDEC_SAIFUN;
937 pDevice->flashinfo.pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
938 pDevice->flashinfo.buffered = FALSE;
939 break;
940 case FLASH_VENDOR_SST_SMALL:
941 case FLASH_VENDOR_SST_LARGE:
942 pDevice->flashinfo.jedecnum = JEDEC_SST;
943 pDevice->flashinfo.pagesize = SST_25VF0X0_PAGE_SIZE;
944 pDevice->flashinfo.buffered = FALSE;
945 break;
946 default:
947 B57_ERR(("bcm57xx : Unknown NVRAM type.\n"));
948 pDevice->flashinfo.jedecnum = 0;
949 pDevice->flashinfo.romtype = 0;
950 pDevice->flashinfo.buffered = FALSE;
951 pDevice->flashinfo.pagesize = 0;
952 }
953 } /* LM_NVRAM_Detect_5750 */
954
955 STATIC LM_VOID LM_NVRAM_Detect_5752( PLM_DEVICE_BLOCK pDevice )
956 {
957 LM_BOOL supported;
958 LM_UINT32 value32;
959
960 supported = FALSE;
961
962 value32 = REG_RD(pDevice, Nvram.Config1);
963
964 if(value32 & BIT_27)
965 pDevice->Flags |= PROTECTED_NVRAM_FLAG;
966
967 switch( value32 & FLASH_PART_5752_TYPEMASK )
968 {
969 case FLASH_PART_5752_EEPROM_ATMEL_64K:
970 pDevice->flashinfo.jedecnum = JEDEC_ATMEL;
971 pDevice->flashinfo.romtype = ROM_TYPE_EEPROM;
972 pDevice->flashinfo.buffered = FALSE;
973 pDevice->flashinfo.chipsize = (64 * (1<<10)/8);
974 supported = TRUE;
975 break;
976
977 case FLASH_PART_5752_EEPROM_ATMEL_376K:
978 pDevice->flashinfo.jedecnum = JEDEC_ATMEL;
979 pDevice->flashinfo.romtype = ROM_TYPE_EEPROM;
980 pDevice->flashinfo.buffered = FALSE;
981 pDevice->flashinfo.chipsize = (512 * (1<<10)/8);
982 supported = TRUE;
983 break;
984
985 case FLASH_PART_5752_FLASH_ATMEL_AT45DB041:
986 pDevice->flashinfo.jedecnum = JEDEC_ATMEL;
987 pDevice->flashinfo.romtype = ROM_TYPE_FLASH;
988 pDevice->flashinfo.buffered = TRUE;
989 pDevice->flashinfo.chipsize = (4 * (1<<20)) / 8;
990 supported = TRUE;
991 break;
992
993 case FLASH_PART_5752_FLASH_ATMEL_AT25F512:
994 pDevice->flashinfo.jedecnum = JEDEC_ATMEL;
995 pDevice->flashinfo.romtype = ROM_TYPE_FLASH;
996 pDevice->flashinfo.buffered = FALSE;
997 pDevice->flashinfo.chipsize = (512 * (1<<10)/8);
998 supported = TRUE;
999 break;
1000
1001 case FLASH_PART_5752_FLASH_ST_M25P10A:
1002 pDevice->flashinfo.jedecnum = JEDEC_ST;
1003 pDevice->flashinfo.romtype = ROM_TYPE_FLASH;
1004 pDevice->flashinfo.buffered = TRUE;
1005 pDevice->flashinfo.chipsize = (1 * (1<<20)) / 8;
1006 supported = TRUE;
1007 break;
1008 case FLASH_PART_5752_FLASH_ST_M25P05A:
1009 pDevice->flashinfo.jedecnum = JEDEC_ST;
1010 pDevice->flashinfo.romtype = ROM_TYPE_FLASH;
1011 pDevice->flashinfo.buffered = TRUE;
1012 pDevice->flashinfo.chipsize = (512 * (1<<10)/8);
1013 supported = TRUE;
1014 break;
1015
1016 case FLASH_PART_5752_FLASH_ST_M45PE10:
1017 pDevice->flashinfo.jedecnum = JEDEC_ST;
1018 pDevice->flashinfo.romtype = ROM_TYPE_FLASH;
1019 pDevice->flashinfo.buffered = TRUE;
1020 pDevice->flashinfo.chipsize = (1 * (1<<20)) / 8;
1021 supported = TRUE;
1022 break;
1023
1024 case FLASH_PART_5752_FLASH_ST_M45PE20:
1025 pDevice->flashinfo.jedecnum = JEDEC_ST;
1026 pDevice->flashinfo.romtype = ROM_TYPE_FLASH;
1027 pDevice->flashinfo.buffered = TRUE;
1028 pDevice->flashinfo.chipsize = (2 * (1<<20)) / 8;
1029 supported = TRUE;
1030 break;
1031
1032 case FLASH_PART_5752_FLASH_ST_M45PE40:
1033 pDevice->flashinfo.jedecnum = JEDEC_ST;
1034 pDevice->flashinfo.romtype = ROM_TYPE_FLASH;
1035 pDevice->flashinfo.buffered = TRUE;
1036 pDevice->flashinfo.chipsize = (4 * (1<<20)) / 8;
1037 supported = TRUE;
1038 break;
1039 default:
1040 B57_ERR(("bcm57xx : Unknown NVRAM type.\n"));
1041 }
1042
1043 if( pDevice->flashinfo.romtype == ROM_TYPE_FLASH )
1044 {
1045 switch( value32 & FLASH_PART_5752_PAGEMASK )
1046 {
1047 case FLASH_PART_5752_PAGE_SIZE_256B:
1048 pDevice->flashinfo.pagesize = 256;
1049 break;
1050 case FLASH_PART_5752_PAGE_SIZE_512B:
1051 pDevice->flashinfo.pagesize = 512;
1052 break;
1053 case FLASH_PART_5752_PAGE_SIZE_1K:
1054 pDevice->flashinfo.pagesize = 1024;
1055 break;
1056 case FLASH_PART_5752_PAGE_SIZE_2K:
1057 pDevice->flashinfo.pagesize = 2048;
1058 break;
1059 case FLASH_PART_5752_PAGE_SIZE_4K:
1060 pDevice->flashinfo.pagesize = 4096;
1061 break;
1062 case FLASH_PART_5752_PAGE_SIZE_264B:
1063 pDevice->flashinfo.pagesize = 264;
1064 break;
1065 default:
1066 B57_ERR(("bcm57xx : Unknown NVRAM page size.\n"));
1067 supported = FALSE;
1068 }
1069 }
1070
1071 if( supported != TRUE )
1072 {
1073 B57_ERR(("Flash type unsupported!!!\n"));
1074 pDevice->flashinfo.jedecnum = 0;
1075 pDevice->flashinfo.romtype = 0;
1076 pDevice->flashinfo.buffered = FALSE;
1077 pDevice->flashinfo.pagesize = 0;
1078 }
1079
1080
1081 } /* LM_NVRAM_Detect_5752 */
1082
1083
1084 /******************************************************************************/
1085 /* Description: */
1086 /* */
1087 /* Return: */
1088 /******************************************************************************/
1089 STATIC LM_VOID LM_NVRAM_Init( PLM_DEVICE_BLOCK pDevice )
1090 {
1091 LM_UINT32 Value32;
1092
1093 /* BCM4785: Avoid all access to NVRAM & EEPROM. */
1094 if (pDevice->Flags & SB_CORE_FLAG)
1095 return;
1096
1097 pDevice->NvramSize = 0;
1098
1099 /* Intialize clock period and state machine. */
1100 Value32 = SEEPROM_ADDR_CLK_PERD(SEEPROM_CLOCK_PERIOD) |
1101 SEEPROM_ADDR_FSM_RESET;
1102 REG_WR(pDevice, Grc.EepromAddr, Value32);
1103 REG_RD_BACK(pDevice, Grc.EepromAddr);
1104
1105 MM_Wait(100);
1106
1107 /* Serial eeprom access using the Grc.EepromAddr/EepromData registers. */
1108 Value32 = REG_RD(pDevice, Grc.LocalCtrl);
1109 REG_WR(pDevice, Grc.LocalCtrl, Value32 | GRC_MISC_LOCAL_CTRL_AUTO_SEEPROM);
1110
1111 switch( T3_ASIC_REV(pDevice->ChipRevId) )
1112 {
1113 case T3_ASIC_REV_5700:
1114 case T3_ASIC_REV_5701:
1115 pDevice->flashinfo.romtype = ROM_TYPE_EEPROM;
1116 break;
1117 case T3_ASIC_REV_5752:
1118 LM_NVRAM_Detect_5752(pDevice);
1119 break;
1120 case T3_ASIC_REV_5714_A0:
1121 case T3_ASIC_REV_5780:
1122 case T3_ASIC_REV_5714:
1123 case T3_ASIC_REV_5750:
1124 LM_NVRAM_Detect_5750(pDevice);
1125 break;
1126 default:
1127 LM_NVRAM_Detect_570X(pDevice);
1128 }
1129
1130 /* Set the 5701 compatibility mode if we are using EEPROM. */
1131 if( T3_ASIC_REV(pDevice->ChipRevId) != T3_ASIC_REV_5700 &&
1132 T3_ASIC_REV(pDevice->ChipRevId) != T3_ASIC_REV_5701 &&
1133 pDevice->flashinfo.romtype == ROM_TYPE_EEPROM )
1134 {
1135 Value32 = REG_RD(pDevice, Nvram.Config1);
1136
1137 if( T3_ASIC_IS_575X_PLUS(pDevice->ChipRevId))
1138 {
1139 if( (pDevice->Flags & PROTECTED_NVRAM_FLAG) == 0)
1140 {
1141 REG_WR(pDevice, Nvram.NvmAccess,
1142 REG_RD(pDevice, Nvram.NvmAccess) | ACCESS_EN);
1143 }
1144 }
1145
1146 /* Use the new interface to read EEPROM. */
1147 Value32 &= ~FLASH_COMPAT_BYPASS;
1148
1149 REG_WR(pDevice, Nvram.Config1, Value32);
1150
1151 if( T3_ASIC_IS_575X_PLUS(pDevice->ChipRevId))
1152 {
1153 if( (pDevice->Flags & PROTECTED_NVRAM_FLAG) == 0)
1154 {
1155 REG_WR(pDevice, Nvram.NvmAccess,
1156 REG_RD(pDevice, Nvram.NvmAccess) & ~ACCESS_EN);
1157 }
1158 }
1159 }
1160
1161 if( !(T3_ASIC_5752(pDevice->ChipRevId)) )
1162 {
1163 if( pDevice->flashinfo.romtype == ROM_TYPE_EEPROM )
1164 {
1165 /* The only EEPROM we support is an ATMEL */
1166 pDevice->flashinfo.jedecnum = JEDEC_ATMEL;
1167 pDevice->flashinfo.pagesize = 0;
1168 pDevice->flashinfo.buffered = FALSE;
1169
1170 LM_EEPROM_ReadSize( pDevice, &pDevice->flashinfo.chipsize );
1171 }
1172 else
1173 {
1174 LM_FLASH_ReadSize( pDevice, &pDevice->flashinfo.chipsize );
1175 pDevice->Flags |= FLASH_DETECTED_FLAG;
1176 }
1177 }
1178
1179 pDevice->NvramSize = pDevice->flashinfo.chipsize;
1180
1181 B57_INFO(("*nvram:size=0x%x jnum=0x%x page=0x%x buff=0x%x \n",
1182 pDevice->NvramSize, pDevice->flashinfo.jedecnum,
1183 pDevice->flashinfo.pagesize, pDevice->flashinfo.buffered));
1184
1185 } /* LM_NVRAM_Init */
1186
1187
1188
1189 /******************************************************************************/
1190 /* Description: */
1191 /* */
1192 /* Return: */
1193 /******************************************************************************/
1194 LM_STATUS
1195 LM_NvramRead( PLM_DEVICE_BLOCK pDevice, LM_UINT32 offset, LM_UINT32 * data )
1196 {
1197 LM_UINT32 value32;
1198 LM_STATUS status;
1199
1200 /* BCM4785: Avoid all access to NVRAM & EEPROM. */
1201 if (pDevice->Flags & SB_CORE_FLAG) {
1202 *data = 0xffffffff;
1203 return LM_STATUS_FAILURE;
1204 }
1205
1206 if( offset >= pDevice->flashinfo.chipsize )
1207 {
1208 return LM_STATUS_FAILURE;
1209 }
1210
1211 if( T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5700 ||
1212 T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5701 )
1213 {
1214 status = LM_EEPROM_Read_UINT32( pDevice, offset, data );
1215 }
1216 else
1217 {
1218 status = LM_NVRAM_AcquireLock( pDevice );
1219 if( status == LM_STATUS_FAILURE )
1220 {
1221 return status;
1222 }
1223
1224 if(T3_ASIC_IS_575X_PLUS(pDevice->ChipRevId))
1225 {
1226 if( (pDevice->Flags & PROTECTED_NVRAM_FLAG) == 0)
1227 {
1228 value32 = REG_RD( pDevice, Nvram.NvmAccess );
1229 value32 |= NVRAM_ACCESS_ENABLE;
1230 REG_WR( pDevice, Nvram.NvmAccess, value32 );
1231 }
1232 }
1233
1234 status = LM_NVRAM_Read_UINT32(pDevice, offset, data);
1235
1236 if(T3_ASIC_IS_575X_PLUS(pDevice->ChipRevId))
1237 {
1238 if( (pDevice->Flags & PROTECTED_NVRAM_FLAG) == 0)
1239 {
1240 value32 = REG_RD( pDevice, Nvram.NvmAccess );
1241 value32 &= ~NVRAM_ACCESS_ENABLE;
1242 REG_WR( pDevice, Nvram.NvmAccess, value32 );
1243 }
1244 }
1245
1246 LM_NVRAM_ReleaseLock( pDevice );
1247 }
1248
1249 return status;
1250 } /* LM_NvramRead */
1251
1252
1253
1254 #ifdef ETHTOOL_SEEPROM
1255
1256 /******************************************************************************/
1257 /* Description: */
1258 /* */
1259 /* Return: */
1260 /******************************************************************************/
1261 STATIC LM_STATUS
1262 LM_NVRAM_ReadBlock(PLM_DEVICE_BLOCK pDevice, LM_UINT32 offset,
1263 LM_UINT8 *data, LM_UINT32 size)
1264 {
1265 LM_STATUS status;
1266 LM_UINT32 value32;
1267 LM_UINT32 bytecnt;
1268 LM_UINT8 * srcptr;
1269
1270 status = LM_STATUS_SUCCESS;
1271
1272 while( size > 0 )
1273 {
1274 /* Make sure the read is word aligned. */
1275 value32 = offset & 0x3;
1276 if( value32 )
1277 {
1278 bytecnt = sizeof(LM_UINT32) - value32;
1279 offset -= value32;
1280 srcptr = (LM_UINT8 *)(&value32) + value32;
1281 }
1282 else
1283 {
1284 bytecnt = sizeof(LM_UINT32);
1285 srcptr = (LM_UINT8 *)(&value32);
1286 }
1287
1288 if( bytecnt > size )
1289 {
1290 bytecnt = size;
1291 }
1292
1293 if( T3_ASIC_REV(pDevice->ChipRevId) != T3_ASIC_REV_5700 &&
1294 T3_ASIC_REV(pDevice->ChipRevId) != T3_ASIC_REV_5701 )
1295 {
1296 status = LM_NVRAM_Read_UINT32( pDevice, offset, &value32 );
1297 }
1298 else
1299 {
1300 status = LM_EEPROM_Read_UINT32( pDevice, offset, &value32 );
1301 }
1302
1303 if( status != LM_STATUS_SUCCESS )
1304 {
1305 break;
1306 }
1307
1308 memcpy( data, srcptr, bytecnt );
1309
1310 offset += sizeof(LM_UINT32);
1311 data += bytecnt;
1312 size -= bytecnt;
1313 }
1314
1315 return status;
1316 } /* LM_NVRAM_ReadBlock */
1317
1318 /******************************************************************************/
1319 /* Description: */
1320 /* */
1321 /* Return: */
1322 /******************************************************************************/
1323 STATIC LM_STATUS
1324 LM_EEPROM_WriteBlock( PLM_DEVICE_BLOCK pDevice, LM_UINT32 offset,
1325 LM_UINT8 * data, LM_UINT32 size )
1326 {
1327 LM_UINT8 * dstptr;
1328 LM_UINT32 value32;
1329 LM_UINT32 bytecnt;
1330 LM_UINT32 subword1;
1331 LM_UINT32 subword2;
1332 LM_UINT32 Addr;
1333 LM_UINT32 Dev;
1334 LM_STATUS status;
1335
1336 if( offset > pDevice->flashinfo.chipsize )
1337 {
1338 return LM_STATUS_FAILURE;
1339 }
1340
1341 status = LM_STATUS_SUCCESS;
1342
1343 if( size == 0 )
1344 {
1345 return status;
1346 }
1347
1348 if( offset & 0x3 )
1349 {
1350 /*
1351 * If our initial offset does not fall on a word boundary, we
1352 * have to do a read / modify / write to preserve the
1353 * preceding bits we are not interested in.
1354 */
1355 status = LM_EEPROM_Read_UINT32(pDevice, offset & ~0x3, &subword1);
1356 if( status == LM_STATUS_FAILURE )
1357 {
1358 return status;
1359 }
1360 }
1361
1362 if( (offset + size) & 0x3 )
1363 {
1364 /*
1365 * Likewise, if our ending offset does not fall on a word
1366 * boundary, we have to do a read / modify / write to
1367 * preserve the trailing bits we are not interested in.
1368 */
1369 status = LM_EEPROM_Read_UINT32( pDevice, (offset + size) & ~0x3,
1370 &subword2 );
1371 if( status == LM_STATUS_FAILURE )
1372 {
1373 return status;
1374 }
1375 }
1376
1377 /* Enable EEPROM write. */
1378 if( pDevice->Flags & EEPROM_WP_FLAG )
1379 {
1380 REG_WR( pDevice, Grc.LocalCtrl,
1381 pDevice->GrcLocalCtrl | GRC_MISC_LOCAL_CTRL_GPIO_OE1 );
1382 REG_RD_BACK( pDevice, Grc.LocalCtrl );
1383 MM_Wait(40);
1384
1385 value32 = REG_RD( pDevice, Grc.LocalCtrl );
1386 if( value32 & GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT1 )
1387 {
1388 return LM_STATUS_FAILURE;
1389 }
1390 }
1391
1392 while( size > 0 )
1393 {
1394 value32 = offset & 0x3;
1395 if( value32 )
1396 {
1397 /*
1398 * We have to read / modify / write the data to
1399 * preserve the flash contents preceding the offset.
1400 */
1401 offset &= ~0x3;
1402
1403 dstptr = ((LM_UINT8 *)(&value32)) + value32;
1404 bytecnt = sizeof(LM_UINT32) - value32;
1405 value32 = subword1;
1406 }
1407 else if( size < sizeof(LM_UINT32) )
1408 {
1409 dstptr = (LM_UINT8 *)(&value32);
1410 bytecnt = size;
1411 value32 = subword2;
1412 }
1413 else
1414 {
1415 dstptr = (LM_UINT8 *)(&value32);
1416 bytecnt = sizeof(LM_UINT32);
1417 }
1418
1419 if( size < bytecnt )
1420 {
1421 bytecnt = size;
1422 }
1423
1424 memcpy( dstptr, (void *)data, bytecnt );
1425
1426 data += bytecnt;
1427 size -= bytecnt;
1428
1429 /*
1430 * Swap the data so that the byte stream will be
1431 * written the same in little and big endian systems.
1432 */
1433 value32 = MM_SWAP_LE32(value32);
1434
1435 /* Set the write value to the eeprom */
1436 REG_WR( pDevice, Grc.EepromData, value32 );
1437
1438 Dev = offset / pDevice->flashinfo.chipsize;
1439 Addr = offset % pDevice->flashinfo.chipsize;
1440
1441 value32 = REG_RD( pDevice, Grc.EepromAddr );
1442 value32 &= ~(SEEPROM_ADDR_DEV_ID_MASK | SEEPROM_ADDR_ADDRESS_MASK |
1443 SEEPROM_ADDR_RW_MASK);
1444 value32 |= SEEPROM_ADDR_DEV_ID(Dev) | SEEPROM_ADDR_ADDRESS(Addr) |
1445 SEEPROM_ADDR_START | SEEPROM_ADDR_WRITE;
1446
1447 status = LM_EEPROM_ExecuteCommand( pDevice, value32 );
1448 if( status != LM_STATUS_SUCCESS )
1449 {
1450 break;
1451 }
1452
1453 offset += sizeof(LM_UINT32);
1454 }
1455
1456 /* Write-protect EEPROM. */
1457 if( pDevice->Flags & EEPROM_WP_FLAG )
1458 {
1459 REG_WR(pDevice, Grc.LocalCtrl, pDevice->GrcLocalCtrl |
1460 GRC_MISC_LOCAL_CTRL_GPIO_OE1 |
1461 GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT1);
1462 REG_RD_BACK(pDevice, Grc.LocalCtrl);
1463 MM_Wait(40);
1464 }
1465
1466 return status;
1467 } /* LM_EEPROM_WriteBlock */
1468
1469
1470
1471 /******************************************************************************/
1472 /* Description: */
1473 /* */
1474 /* Return: */
1475 /******************************************************************************/
1476 STATIC LM_STATUS
1477 LM_NVRAM_WriteBlockUnBuffered( PLM_DEVICE_BLOCK pDevice, LM_UINT32 offset,
1478 LM_UINT8 * data, LM_UINT32 size )
1479 {
1480 LM_UINT i;
1481 LM_STATUS status;
1482 LM_UINT32 tgtoff;
1483 LM_UINT32 value32;
1484 LM_UINT32 ctrlreg;
1485 LM_UINT32 pagesize;
1486 LM_UINT32 pagemask;
1487 LM_UINT32 physaddr;
1488
1489 /* Cache the pagesize. */
1490 pagesize = pDevice->flashinfo.pagesize;
1491
1492 if( pDevice->flashinfo.jedecnum == JEDEC_SAIFUN )
1493 {
1494 /* Config2 = 0x500d8 */
1495 /* Config3 = 0x3840253 */
1496 /* Write1 = 0xaf000400 */
1497
1498 /* Configure the erase command to be "page erase". */
1499 /* Configure the status command to be "read status register". */
1500 value32 = REG_RD( pDevice, Nvram.Config2 );
1501 value32 &= ~(NVRAM_STATUS_COMMAND( NVRAM_COMMAND_MASK ) |
1502 NVRAM_ERASE_COMMAND( NVRAM_COMMAND_MASK ));
1503 value32 |= NVRAM_STATUS_COMMAND( SAIFUN_SA25F0XX_READ_STATUS_CMD ) |
1504 NVRAM_ERASE_COMMAND( SAIFUN_SA25F0XX_PAGE_ERASE_CMD );
1505 REG_WR( pDevice, Nvram.Config2, value32 );
1506
1507 /* Configure the write command to be "page write". */
1508 value32 = REG_RD( pDevice, Nvram.Config3 );
1509 value32 &= ~NVRAM_WRITE_UNBUFFERED_COMMAND( NVRAM_COMMAND_MASK );
1510 value32 |= NVRAM_WRITE_UNBUFFERED_COMMAND( SAIFUN_SA25F0XX_PAGE_WRITE_CMD );
1511 REG_WR( pDevice, Nvram.Config3, value32 );
1512
1513 /* Make sure the "write enable" command is correct. */
1514 value32 = REG_RD( pDevice, Nvram.Write1 );
1515 value32 &= ~NVRAM_WRITE1_WRENA_CMD( NVRAM_COMMAND_MASK );
1516 value32 |= NVRAM_WRITE1_WRENA_CMD( SAIFUN_SA25F0XX_WRENA_CMD );
1517 REG_WR( pDevice, Nvram.Write1, value32 );
1518
1519 pagemask = SAIFUN_SA25F0XX_PAGE_MASK;
1520 }
1521 else
1522 {
1523 /* Unsupported flash type */
1524 return LM_STATUS_FAILURE;
1525 }
1526
1527 if( size == 0 )
1528 {
1529 status = LM_STATUS_SUCCESS;
1530 goto done;
1531 }
1532
1533 while( size > 0 )
1534 {
1535 /* Align the offset to a page boundary. */
1536 physaddr = offset & ~pagemask;
1537
1538 status = LM_NVRAM_ReadBlock( pDevice, physaddr,
1539 pDevice->flashbuffer,
1540 pagesize );
1541 if( status == LM_STATUS_FAILURE )
1542 {
1543 break;
1544 }
1545
1546 /* Calculate the target index. */
1547 tgtoff = offset & pagemask;
1548
1549 /* Copy the new data into the save buffer. */
1550 for( i = tgtoff; i < pagesize && size > 0; i++ )
1551 {
1552 pDevice->flashbuffer[i] = *data++;
1553 size--;
1554 }
1555
1556 /* Move the offset to the next page. */
1557 offset = offset + (pagesize - tgtoff);
1558
1559 /*
1560 * The LM_NVRAM_ReadBlock() function releases
1561 * the access enable bit. Reacquire it.
1562 */
1563 if( (pDevice->Flags & PROTECTED_NVRAM_FLAG) == 0)
1564 REG_WR(pDevice, Nvram.NvmAccess, NVRAM_ACCESS_ENABLE);
1565
1566
1567 /*
1568 * Before we can erase the flash page, we need
1569 * to issue a special "write enable" command.
1570 */
1571 ctrlreg = NVRAM_CMD_WRITE_ENABLE | NVRAM_CMD_DO_IT | NVRAM_CMD_DONE;
1572
1573 status = LM_NVRAM_ExecuteCommand( pDevice, ctrlreg );
1574 if( status == LM_STATUS_FAILURE )
1575 {
1576 break;
1577 }
1578
1579 /* Erase the target page */
1580 REG_WR(pDevice, Nvram.Addr, physaddr);
1581
1582 ctrlreg = NVRAM_CMD_DO_IT | NVRAM_CMD_DONE | NVRAM_CMD_WR |
1583 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
1584
1585 status = LM_NVRAM_ExecuteCommand( pDevice, ctrlreg );
1586 if( status == LM_STATUS_FAILURE )
1587 {
1588 break;
1589 }
1590
1591 /* Issue another write enable to start the write. */
1592 ctrlreg = NVRAM_CMD_WRITE_ENABLE | NVRAM_CMD_DO_IT | NVRAM_CMD_DONE;
1593
1594 status = LM_NVRAM_ExecuteCommand( pDevice, ctrlreg );
1595 if( status == LM_STATUS_FAILURE )
1596 {
1597 break;
1598 }
1599
1600 /* Copy the data into our NIC's buffers. */
1601 for( i = 0; i < pagesize; i+= 4 )
1602 {
1603 value32 = *((LM_UINT32 *)(&pDevice->flashbuffer[i]));
1604 value32 = MM_SWAP_BE32( value32 );
1605
1606 /* Write the location we wish to write to. */
1607 REG_WR( pDevice, Nvram.Addr, physaddr );
1608
1609 /* Write the data we wish to write. */
1610 REG_WR( pDevice, Nvram.WriteData, value32 );
1611
1612 ctrlreg = NVRAM_CMD_DO_IT | NVRAM_CMD_DONE | NVRAM_CMD_WR;
1613
1614 if( i == 0 )
1615 {
1616 ctrlreg |= NVRAM_CMD_FIRST;
1617 }
1618 else if( i == (pagesize - 4) )
1619 {
1620 ctrlreg |= NVRAM_CMD_LAST;
1621 }
1622
1623 status = LM_NVRAM_ExecuteCommand( pDevice, ctrlreg );
1624 if( status == LM_STATUS_FAILURE )
1625 {
1626 size = 0;
1627 break;
1628 }
1629
1630 physaddr += sizeof(LM_UINT32);
1631 }
1632 }
1633
1634 /* Paranoia. Turn off the "write enable" flag. */
1635 ctrlreg = NVRAM_CMD_WRITE_DISABLE | NVRAM_CMD_DO_IT | NVRAM_CMD_DONE;
1636
1637 status = LM_NVRAM_ExecuteCommand( pDevice, ctrlreg );
1638
1639 done:
1640
1641 return status;
1642 } /* LM_NVRAM_WriteBlockUnBuffered */
1643
1644
1645
1646 /******************************************************************************/
1647 /* Description: */
1648 /* */
1649 /* Return: */
1650 /******************************************************************************/
1651 STATIC LM_STATUS
1652 LM_NVRAM_WriteBlockBuffered( PLM_DEVICE_BLOCK pDevice, LM_UINT32 offset,
1653 LM_UINT8 * data, LM_UINT32 size )
1654 {
1655 LM_STATUS status;
1656 LM_UINT32 value32;
1657 LM_UINT32 bytecnt;
1658 LM_UINT32 ctrlreg;
1659 LM_UINT32 pageoff;
1660 LM_UINT32 physaddr;
1661 LM_UINT32 subword1;
1662 LM_UINT32 subword2;
1663 LM_UINT8 * dstptr;
1664
1665 if(T3_ASIC_5752(pDevice->ChipRevId) &&
1666 (pDevice->flashinfo.jedecnum == JEDEC_ST ||
1667 pDevice->flashinfo.jedecnum == JEDEC_ATMEL ))
1668 {
1669 /* Do nothing as the 5752 does will take care of it */
1670 }
1671 else if( pDevice->flashinfo.jedecnum == JEDEC_ST )
1672 {
1673 /*
1674 * Program our chip to look at bit0 of the NVRAM's status
1675 * register when polling the write or erase operation status.
1676 */
1677 value32 = REG_RD(pDevice, Nvram.Config1);
1678 value32 &= ~FLASH_STATUS_BITS_MASK;
1679 REG_WR( pDevice, Nvram.Config1, value32 );
1680
1681 /* Program the "read status" and "page erase" commands. */
1682 value32 = NVRAM_STATUS_COMMAND( ST_M45PEX0_READ_STATUS_CMD ) |
1683 NVRAM_ERASE_COMMAND( ST_M45PEX0_PAGE_ERASE_CMD );
1684 REG_WR( pDevice, Nvram.Config2, value32 );
1685
1686 /* Set the write command to be "page program". */
1687 value32 = REG_RD(pDevice, Nvram.Config3); /* default = 0x03840a53 */
1688 value32 &= ~NVRAM_WRITE_UNBUFFERED_COMMAND( NVRAM_COMMAND_MASK );
1689 value32 |= NVRAM_WRITE_UNBUFFERED_COMMAND( ST_M45PEX0_PAGE_PRGM_CMD );
1690 REG_WR( pDevice, Nvram.Config3, value32 );
1691
1692 /* Set the "write enable" and "write disable" commands. */
1693 value32 = NVRAM_WRITE1_WRENA_CMD( ST_M45PEX0_WRENA_CMD ) |
1694 NVRAM_WRITE1_WRDIS_CMD( ST_M45PEX0_WRDIS_CMD );
1695 REG_WR( pDevice, Nvram.Write1, value32 );
1696 }
1697 else if( pDevice->flashinfo.jedecnum == JEDEC_ATMEL )
1698 {
1699 if( pDevice->flashinfo.romtype == ROM_TYPE_EEPROM )
1700 {
1701 #if 0
1702 Config1 = 0x2008200
1703 Config2 = 0x9f0081
1704 Config3 = 0xa184a053
1705 Write1 = 0xaf000400
1706 #endif
1707 }
1708 else if( pDevice->flashinfo.buffered == TRUE )
1709 {
1710 /*
1711 * Program our chip to look at bit7 of the NVRAM's status
1712 * register when polling the write operation status.
1713 */
1714 value32 = REG_RD(pDevice, Nvram.Config1);
1715 value32 |= FLASH_STATUS_BITS_MASK;
1716 REG_WR( pDevice, Nvram.Config1, value32 );
1717
1718 /* Set the write command to be "page program". */
1719 value32 = REG_RD(pDevice, Nvram.Config3); /* default = 0x03840a53 */
1720 value32 &= ~NVRAM_WRITE_UNBUFFERED_COMMAND( NVRAM_COMMAND_MASK );
1721 value32 |= NVRAM_WRITE_UNBUFFERED_COMMAND( ATMEL_AT45DB0X1B_BUFFER_WRITE_CMD );
1722 REG_WR( pDevice, Nvram.Config3, value32 );
1723 /* Config1 = 0x2008273 */
1724 /* Config2 = 0x00570081 */
1725 /* Config3 = 0x68848353 */
1726 }
1727 else
1728 {
1729 /* NVRAM type unsupported. */
1730 return LM_STATUS_FAILURE;
1731 }
1732 }
1733 else
1734 {
1735 /* NVRAM type unsupported. */
1736 return LM_STATUS_FAILURE;
1737 }
1738
1739 status = LM_STATUS_SUCCESS;
1740
1741 if( offset & 0x3 )
1742 {
1743 /*
1744 * If our initial offset does not fall on a word boundary, we
1745 * have to do a read / modify / write to preserve the
1746 * preceding bits we are not interested in.
1747 */
1748 status = LM_NVRAM_ReadBlock( pDevice, offset & ~0x3,
1749 (LM_UINT8 *)&subword1,
1750 sizeof(subword1) );
1751 if( status == LM_STATUS_FAILURE )
1752 {
1753 return status;
1754 }
1755 }
1756
1757 if( (offset + size) & 0x3 )
1758 {
1759 /*
1760 * Likewise, if our ending offset does not fall on a word
1761 * boundary, we have to do a read / modify / write to
1762 * preserve the trailing bits we are not interested in.
1763 */
1764 status = LM_NVRAM_ReadBlock( pDevice, (offset + size) & ~0x3,
1765 (LM_UINT8 *)&subword2,
1766 sizeof(subword2) );
1767 if( status == LM_STATUS_FAILURE )
1768 {
1769 return status;
1770 }
1771 }
1772
1773 ctrlreg = NVRAM_CMD_FIRST;
1774
1775 while( size > 0 )
1776 {
1777 value32 = offset & 0x3;
1778 if( value32 )
1779 {
1780 /*
1781 * We have to read / modify / write the data to
1782 * preserve the flash contents preceding the offset.
1783 */
1784 offset &= ~0x3;
1785
1786 dstptr = ((LM_UINT8 *)(&value32)) + value32;
1787 bytecnt = sizeof(LM_UINT32) - value32;
1788 value32 = subword1;
1789 }
1790 else if( size < sizeof(LM_UINT32) )
1791 {
1792 dstptr = (LM_UINT8 *)(&value32);
1793 bytecnt = size;
1794 value32 = subword2;
1795 }
1796 else
1797 {
1798 dstptr = (LM_UINT8 *)(&value32);
1799 bytecnt = sizeof(LM_UINT32);
1800 }
1801
1802 if( size < bytecnt )
1803 {
1804 bytecnt = size;
1805 }
1806
1807 memcpy( dstptr, (void *)data, bytecnt );
1808
1809 data += bytecnt;
1810 size -= bytecnt;
1811
1812 /*
1813 * Swap the data so that the byte stream will be
1814 * written the same in little and big endian systems.
1815 */
1816 value32 = MM_SWAP_BE32(value32);
1817
1818 /* Set the desired write data value to the flash. */
1819 REG_WR(pDevice, Nvram.WriteData, value32);
1820
1821 pageoff = offset % pDevice->flashinfo.pagesize;
1822
1823 /* Set the target address. */
1824 if( pDevice->flashinfo.jedecnum == JEDEC_ATMEL &&
1825 pDevice->flashinfo.romtype == ROM_TYPE_FLASH )
1826 {
1827 /*
1828 * If we're dealing with the special ATMEL part, we need to
1829 * convert the submitted offset before it can be considered
1830 * a physical address.
1831 */
1832 LM_UINT32 pagenmbr;
1833
1834 pagenmbr = offset / pDevice->flashinfo.pagesize;
1835 pagenmbr = pagenmbr << ATMEL_AT45DB0X1B_PAGE_POS;
1836
1837 physaddr = pagenmbr + pageoff;
1838 }
1839 else
1840 {
1841 physaddr = offset;
1842 }
1843
1844 REG_WR(pDevice, Nvram.Addr, physaddr);
1845
1846 ctrlreg |= (NVRAM_CMD_DO_IT | NVRAM_CMD_DONE | NVRAM_CMD_WR);
1847
1848 if( pageoff == 0 )
1849 {
1850 /* Set CMD_FIRST when we are at the beginning of a page. */
1851 ctrlreg |= NVRAM_CMD_FIRST;
1852 }
1853 else if( pageoff == (pDevice->flashinfo.pagesize - 4) )
1854 {
1855 /*
1856 * Enable the write to the current page
1857 * before moving on to the next one.
1858 */
1859 ctrlreg |= NVRAM_CMD_LAST;
1860 }
1861
1862 if( size == 0 )
1863 {
1864 ctrlreg |= NVRAM_CMD_LAST;
1865 }
1866
1867 if( pDevice->flashinfo.jedecnum == JEDEC_ST &&
1868 ((T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5750) ||
1869 (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5714)) &&
1870 (ctrlreg & NVRAM_CMD_FIRST) )
1871 {
1872 LM_UINT32 wrencmd;
1873
1874 REG_WR(pDevice, Nvram.Write1, ST_M45PEX0_WRENA_CMD);
1875
1876 /* We need to issue a special "write enable" command first. */
1877 wrencmd = NVRAM_CMD_WRITE_ENABLE | NVRAM_CMD_DO_IT | NVRAM_CMD_DONE;
1878
1879 status = LM_NVRAM_ExecuteCommand( pDevice, wrencmd );
1880 if( status == LM_STATUS_FAILURE )
1881 {
1882 return status;
1883 }
1884 }
1885
1886 if( pDevice->flashinfo.romtype == ROM_TYPE_EEPROM )
1887 {
1888 /* We always do complete word writes to eeprom. */
1889 ctrlreg |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
1890 }
1891
1892 status = LM_NVRAM_ExecuteCommand( pDevice, ctrlreg );
1893 if( status == LM_STATUS_FAILURE )
1894 {
1895 break;
1896 }
1897
1898 offset += sizeof(LM_UINT32);
1899 ctrlreg = 0;
1900 }
1901
1902 return status;
1903 } /* LM_NVRAM_WriteBlockBuffered */
1904
1905
1906
1907 /******************************************************************************/
1908 /* Description: */
1909 /* */
1910 /* Return: */
1911 /******************************************************************************/
1912 LM_STATUS LM_NVRAM_WriteBlock( PLM_DEVICE_BLOCK pDevice, LM_UINT32 offset,
1913 LM_UINT8 * data, LM_UINT32 size )
1914 {
1915 LM_UINT32 value32;
1916 LM_STATUS status;
1917
1918 if( offset > pDevice->flashinfo.chipsize ||
1919 (offset + size) > pDevice->flashinfo.chipsize )
1920 {
1921 return LM_STATUS_FAILURE;
1922 }
1923
1924 if( size == 0 )
1925 {
1926 return LM_STATUS_SUCCESS;
1927 }
1928
1929 if( T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5700 ||
1930 T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5701 )
1931 {
1932 status = LM_EEPROM_WriteBlock( pDevice, offset, data, size );
1933 }
1934 else
1935 {
1936 status = LM_NVRAM_AcquireLock( pDevice );
1937 if( status == LM_STATUS_FAILURE )
1938 {
1939 return status;
1940 }
1941
1942 if(T3_ASIC_IS_575X_PLUS(pDevice->ChipRevId))
1943 {
1944 if( (pDevice->Flags & PROTECTED_NVRAM_FLAG) == 0)
1945 {
1946 value32 = REG_RD( pDevice, Nvram.NvmAccess );
1947 value32 |= (NVRAM_ACCESS_ENABLE | NVRAM_ACCESS_WRITE_ENABLE);
1948 REG_WR( pDevice, Nvram.NvmAccess, value32 );
1949 }
1950 }
1951
1952 /* Enable EEPROM write. */
1953 if( pDevice->Flags & EEPROM_WP_FLAG )
1954 {
1955 REG_WR(pDevice, Grc.LocalCtrl,
1956 pDevice->GrcLocalCtrl | GRC_MISC_LOCAL_CTRL_GPIO_OE1);
1957 REG_RD_BACK(pDevice, Grc.LocalCtrl);
1958 MM_Wait(40);
1959
1960 value32 = REG_RD(pDevice, Grc.LocalCtrl);
1961 if( value32 & GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT1 )
1962 {
1963 status = LM_STATUS_FAILURE;
1964 goto error;
1965 }
1966 }
1967
1968 value32 = REG_RD(pDevice, Grc.Mode);
1969 value32 |= GRC_MODE_NVRAM_WRITE_ENABLE;
1970 REG_WR(pDevice, Grc.Mode, value32);
1971
1972 if( pDevice->flashinfo.buffered == TRUE ||
1973 pDevice->flashinfo.romtype == ROM_TYPE_EEPROM )
1974 {
1975 status = LM_NVRAM_WriteBlockBuffered(pDevice, offset, data, size);
1976 }
1977 else
1978 {
1979 status = LM_NVRAM_WriteBlockUnBuffered(pDevice, offset, data, size);
1980 }
1981
1982 value32 = REG_RD(pDevice, Grc.Mode);
1983 value32 &= ~GRC_MODE_NVRAM_WRITE_ENABLE;
1984 REG_WR(pDevice, Grc.Mode, value32);
1985
1986 if( pDevice->Flags & EEPROM_WP_FLAG )
1987 {
1988 REG_WR(pDevice, Grc.LocalCtrl, pDevice->GrcLocalCtrl |
1989 GRC_MISC_LOCAL_CTRL_GPIO_OE1 |
1990 GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT1);
1991 REG_RD_BACK(pDevice, Grc.LocalCtrl);
1992 MM_Wait(40);
1993 }
1994
1995 error:
1996
1997 if(T3_ASIC_IS_575X_PLUS(pDevice->ChipRevId))
1998 {
1999 if( (pDevice->Flags & PROTECTED_NVRAM_FLAG) == 0)
2000 {
2001 value32 = REG_RD(pDevice, Nvram.NvmAccess);
2002 value32 &= ~(NVRAM_ACCESS_ENABLE | NVRAM_ACCESS_WRITE_ENABLE);
2003 REG_WR(pDevice, Nvram.NvmAccess, value32);
2004 }
2005 }
2006
2007 LM_NVRAM_ReleaseLock( pDevice );
2008 }
2009
2010 return status;
2011 } /* LM_NVRAM_WriteBlock */
2012
2013
2014 LM_STATUS LM_NvramWriteBlock( PLM_DEVICE_BLOCK pDevice, LM_UINT32 offset,
2015 LM_UINT32 * data, LM_UINT32 size )
2016 {
2017 /* BCM4785: Avoid all access to NVRAM & EEPROM. */
2018 if (pDevice->Flags & SB_CORE_FLAG)
2019 return LM_STATUS_FAILURE;
2020
2021 return LM_NVRAM_WriteBlock( pDevice, offset, (LM_UINT8 *)data, size * 4 );
2022 }
2023
2024 #endif /* ETHTOOL_SEEPROM */
2025
2026
2027 static int
2028 bcm_ether_atoe(char *p, struct ether_addr *ea)
2029 {
2030 int i = 0;
2031
2032 for (;;) {
2033 ea->octet[i++] = (char) simple_strtoul(p, &p, 16);
2034 if (!*p++ || i == 6)
2035 break;
2036 }
2037
2038 return (i == 6);
2039 }
2040
2041 /******************************************************************************/
2042 /* Description: */
2043 /* This routine initializes default parameters and reads the PCI */
2044 /* configurations. */
2045 /* */
2046 /* Return: */
2047 /* LM_STATUS_SUCCESS */
2048 /******************************************************************************/
2049 LM_STATUS
2050 LM_GetAdapterInfo(
2051 PLM_DEVICE_BLOCK pDevice)
2052 {
2053 PLM_ADAPTER_INFO pAdapterInfo;
2054 LM_UINT32 Value32, LedCfg, Ver;
2055 LM_STATUS Status;
2056 LM_UINT32 EeSigFound;
2057 LM_UINT32 EePhyTypeSerdes = 0;
2058 LM_UINT32 EePhyId = 0;
2059
2060 /* Get Device Id and Vendor Id */
2061 Status = MM_ReadConfig32(pDevice, PCI_VENDOR_ID_REG, &Value32);
2062 if(Status != LM_STATUS_SUCCESS)
2063 {
2064 return Status;
2065 }
2066 pDevice->PciVendorId = (LM_UINT16) Value32;
2067 pDevice->PciDeviceId = (LM_UINT16) (Value32 >> 16);
2068
2069 Status = MM_ReadConfig32(pDevice, PCI_REV_ID_REG, &Value32);
2070 if(Status != LM_STATUS_SUCCESS)
2071 {
2072 return Status;
2073 }
2074 pDevice->PciRevId = (LM_UINT8) Value32;
2075
2076 /* Get chip revision id. */
2077 Status = MM_ReadConfig32(pDevice, T3_PCI_MISC_HOST_CTRL_REG, &Value32);
2078 pDevice->ChipRevId = Value32 >> 16;
2079
2080 /* determine if it is PCIE system */
2081 if( (Value32 = MM_FindCapability(pDevice, T3_PCIE_CAPABILITY_ID)) != 0)
2082 {
2083 pDevice->Flags |= PCI_EXPRESS_FLAG;
2084 }
2085
2086 /* Get subsystem vendor. */
2087 Status = MM_ReadConfig32(pDevice, PCI_SUBSYSTEM_VENDOR_ID_REG, &Value32);
2088 if(Status != LM_STATUS_SUCCESS)
2089 {
2090 return Status;
2091 }
2092 pDevice->SubsystemVendorId = (LM_UINT16) Value32;
2093
2094 /* Get PCI subsystem id. */
2095 pDevice->SubsystemId = (LM_UINT16) (Value32 >> 16);
2096
2097 /* Read bond id for baxter A0 since it has same rev id as hamilton A0*/
2098
2099 if(T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5714_A0) {
2100 MM_WriteConfig32(pDevice, T3_PCI_MISC_HOST_CTRL_REG, Value32 | MISC_HOST_CTRL_ENABLE_INDIRECT_ACCESS);
2101
2102 Value32 = LM_RegRdInd(pDevice, 0x6804);
2103 Value32 &= GRC_MISC_BD_ID_MASK;
2104
2105 if((Value32 == 0)||(Value32 == 0x8000)) {
2106 pDevice->ChipRevId = T3_CHIP_ID_5752_A0;
2107 }else{
2108 pDevice->ChipRevId = T3_CHIP_ID_5714_A0;
2109 }
2110
2111 Status = MM_ReadConfig32(pDevice, T3_PCI_MISC_HOST_CTRL_REG, &Value32);
2112 MM_WriteConfig32(pDevice, T3_PCI_MISC_HOST_CTRL_REG, Value32 & ~ MISC_HOST_CTRL_ENABLE_INDIRECT_ACCESS);
2113 }
2114
2115
2116 /* Get the cache line size. */
2117 MM_ReadConfig32(pDevice, PCI_CACHE_LINE_SIZE_REG, &Value32);
2118 pDevice->CacheLineSize = (LM_UINT8) Value32;
2119 pDevice->SavedCacheLineReg = Value32;
2120
2121 if(pDevice->ChipRevId != T3_CHIP_ID_5703_A1 &&
2122 pDevice->ChipRevId != T3_CHIP_ID_5703_A2 &&
2123 pDevice->ChipRevId != T3_CHIP_ID_5704_A0)
2124 {
2125 pDevice->Flags &= ~UNDI_FIX_FLAG;
2126 }
2127 #ifndef PCIX_TARGET_WORKAROUND
2128 pDevice->Flags &= ~UNDI_FIX_FLAG;
2129 #endif
2130 /* Map the memory base to system address space. */
2131 if (!(pDevice->Flags & UNDI_FIX_FLAG))
2132 {
2133 Status = MM_MapMemBase(pDevice);
2134 if(Status != LM_STATUS_SUCCESS)
2135 {
2136 return Status;
2137 }
2138 /* Initialize the memory view pointer. */
2139 pDevice->pMemView = (PT3_STD_MEM_MAP) pDevice->pMappedMemBase;
2140 }
2141
2142 if ((T3_CHIP_REV(pDevice->ChipRevId) == T3_CHIP_REV_5700_BX) ||
2143 (T3_CHIP_REV(pDevice->ChipRevId) == T3_CHIP_REV_5704_AX))
2144 {
2145 pDevice->Flags |= TX_4G_WORKAROUND_FLAG;
2146 }
2147 if ( (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5701) ||
2148 (pDevice->Flags == PCI_EXPRESS_FLAG))
2149 {
2150 pDevice->Flags |= REG_RD_BACK_FLAG;
2151 }
2152
2153 if(pDevice->ChipRevId==T3_CHIP_ID_5750_A0)
2154 return LM_STATUS_UNKNOWN_ADAPTER;
2155
2156 #ifdef PCIX_TARGET_WORKAROUND
2157 MM_ReadConfig32(pDevice, T3_PCI_STATE_REG, &Value32);
2158 if((Value32 & T3_PCI_STATE_CONVENTIONAL_PCI_MODE) == 0)
2159 {
2160 if(T3_CHIP_REV(pDevice->ChipRevId) == T3_CHIP_REV_5700_BX)
2161 {
2162 pDevice->Flags |= ENABLE_PCIX_FIX_FLAG;
2163 }
2164 }
2165 if (pDevice->Flags & UNDI_FIX_FLAG)
2166 {
2167 pDevice->Flags |= ENABLE_PCIX_FIX_FLAG;
2168 }
2169 #endif
2170 /* Bx bug: due to the "byte_enable bug" in PCI-X mode, the power */
2171 /* management register may be clobbered which may cause the */
2172 /* BCM5700 to go into D3 state. While in this state, we will */
2173 /* need to restore the device to D0 state. */
2174 MM_ReadConfig32(pDevice, T3_PCI_PM_STATUS_CTRL_REG, &Value32);
2175 Value32 |= T3_PM_PME_ASSERTED;
2176 Value32 &= ~T3_PM_POWER_STATE_MASK;
2177 Value32 |= T3_PM_POWER_STATE_D0;
2178 MM_WriteConfig32(pDevice, T3_PCI_PM_STATUS_CTRL_REG, Value32);
2179
2180 /* read the current PCI command word */
2181 MM_ReadConfig32(pDevice, PCI_COMMAND_REG, &Value32);
2182
2183 /* Make sure bus-mastering is enabled. */
2184 Value32 |= PCI_BUSMASTER_ENABLE;
2185
2186 #ifdef PCIX_TARGET_WORKAROUND
2187 /* if we are in PCI-X mode, also make sure mem-mapping and SERR#/PERR#
2188 are enabled */
2189 if (pDevice->Flags & ENABLE_PCIX_FIX_FLAG) {
2190 Value32 |= (PCI_MEM_SPACE_ENABLE | PCI_SYSTEM_ERROR_ENABLE |
2191 PCI_PARITY_ERROR_ENABLE);
2192 }
2193 if (pDevice->Flags & UNDI_FIX_FLAG)
2194 {
2195 Value32 &= ~PCI_MEM_SPACE_ENABLE;
2196 }
2197
2198 #endif
2199
2200 if (pDevice->Flags & ENABLE_MWI_FLAG)
2201 {
2202 Value32 |= PCI_MEMORY_WRITE_INVALIDATE;
2203 }
2204 else {
2205 Value32 &= (~PCI_MEMORY_WRITE_INVALIDATE);
2206 }
2207
2208 /* save the value we are going to write into the PCI command word */
2209 pDevice->PciCommandStatusWords = Value32;
2210
2211 Status = MM_WriteConfig32(pDevice, PCI_COMMAND_REG, Value32);
2212 if(Status != LM_STATUS_SUCCESS)
2213 {
2214 return Status;
2215 }
2216
2217 /* Setup the mode registers. */
2218 pDevice->MiscHostCtrl =
2219 MISC_HOST_CTRL_MASK_PCI_INT |
2220 MISC_HOST_CTRL_ENABLE_ENDIAN_WORD_SWAP |
2221 #ifdef BIG_ENDIAN_HOST
2222 MISC_HOST_CTRL_ENABLE_ENDIAN_BYTE_SWAP |
2223 #endif /* BIG_ENDIAN_HOST */
2224 MISC_HOST_CTRL_ENABLE_INDIRECT_ACCESS |
2225 MISC_HOST_CTRL_ENABLE_PCI_STATE_REG_RW;
2226 /* write to PCI misc host ctr first in order to enable indirect accesses */
2227 MM_WriteConfig32(pDevice, T3_PCI_MISC_HOST_CTRL_REG, pDevice->MiscHostCtrl);
2228
2229 /* Set power state to D0. */
2230 LM_SetPowerState(pDevice, LM_POWER_STATE_D0);
2231
2232 /* Preserve HOST_STACK_UP bit in case ASF firmware is running */
2233 Value32 = REG_RD(pDevice, Grc.Mode) & GRC_MODE_HOST_STACK_UP;
2234 #ifdef BIG_ENDIAN_HOST
2235 Value32 |= GRC_MODE_BYTE_SWAP_NON_FRAME_DATA |
2236 GRC_MODE_WORD_SWAP_NON_FRAME_DATA;
2237 #else
2238 Value32 |= GRC_MODE_BYTE_SWAP_NON_FRAME_DATA | GRC_MODE_BYTE_SWAP_DATA;
2239 #endif
2240 REG_WR(pDevice, Grc.Mode, Value32);
2241
2242 if(T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5700)
2243 {
2244 REG_WR(pDevice, Grc.LocalCtrl, GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT1 |
2245 GRC_MISC_LOCAL_CTRL_GPIO_OE1);
2246 REG_RD_BACK(pDevice, Grc.LocalCtrl);
2247 }
2248 MM_Wait(40);
2249
2250 /* Enable memory arbiter*/
2251 if(T3_ASIC_5714_FAMILY(pDevice->ChipRevId) )
2252 {
2253 Value32 = REG_RD(pDevice,MemArbiter.Mode);
2254 REG_WR(pDevice, MemArbiter.Mode, T3_MEM_ARBITER_MODE_ENABLE | Value32);
2255 }
2256 else
2257 {
2258 REG_WR(pDevice, MemArbiter.Mode, T3_MEM_ARBITER_MODE_ENABLE);
2259 }
2260
2261
2262 LM_SwitchClocks(pDevice);
2263
2264 REG_WR(pDevice, PciCfg.MemWindowBaseAddr, 0);
2265
2266 /* Check to see if PXE ran and did not shutdown properly */
2267 if ((REG_RD(pDevice, DmaWrite.Mode) & DMA_WRITE_MODE_ENABLE) ||
2268 !(REG_RD(pDevice, PciCfg.MiscHostCtrl) & MISC_HOST_CTRL_MASK_PCI_INT))
2269 {
2270 LM_DisableInterrupt(pDevice);
2271 /* assume ASF is enabled */
2272 pDevice->AsfFlags = ASF_ENABLED;
2273 if (T3_ASIC_IS_575X_PLUS(pDevice->ChipRevId))
2274 {
2275 pDevice->AsfFlags |= ASF_NEW_HANDSHAKE;
2276 }
2277 LM_ShutdownChip(pDevice, LM_SHUTDOWN_RESET);
2278 pDevice->AsfFlags = 0;
2279 }
2280 #ifdef PCIX_TARGET_WORKAROUND
2281 MM_ReadConfig32(pDevice, T3_PCI_STATE_REG, &Value32);
2282 if (!(pDevice->Flags & ENABLE_PCIX_FIX_FLAG) &&
2283 ((Value32 & T3_PCI_STATE_CONVENTIONAL_PCI_MODE) == 0))
2284 {
2285 if (pDevice->ChipRevId == T3_CHIP_ID_5701_A0 ||
2286 pDevice->ChipRevId == T3_CHIP_ID_5701_B0 ||
2287 pDevice->ChipRevId == T3_CHIP_ID_5701_B2 ||
2288 pDevice->ChipRevId == T3_CHIP_ID_5701_B5)
2289 {
2290 MM_MEMWRITEL(&(pDevice->pMemView->uIntMem.MemBlock32K[0x300]), 0);
2291 MM_MEMWRITEL(&(pDevice->pMemView->uIntMem.MemBlock32K[0x301]), 0);
2292 MM_MEMWRITEL(&(pDevice->pMemView->uIntMem.MemBlock32K[0x301]),
2293 0xffffffff);
2294 if (MM_MEMREADL(&(pDevice->pMemView->uIntMem.MemBlock32K[0x300])))
2295 {
2296 pDevice->Flags |= ENABLE_PCIX_FIX_FLAG;
2297 }
2298 }
2299 }
2300 #endif
2301
2302 LM_NVRAM_Init(pDevice);
2303
2304 Status = LM_STATUS_FAILURE;
2305
2306 /* BCM4785: Use the MAC address stored in the main flash. */
2307 if (pDevice->Flags & SB_CORE_FLAG) {
2308 bcm_ether_atoe(getvar(NULL, "et0macaddr"), (struct ether_addr *)pDevice->NodeAddress);
2309 Status = LM_STATUS_SUCCESS;
2310 } else {
2311 /* Get the node address. First try to get in from the shared memory. */
2312 /* If the signature is not present, then get it from the NVRAM. */
2313 Value32 = MEM_RD_OFFSET(pDevice, T3_MAC_ADDR_HIGH_MAILBOX);
2314 if((Value32 >> 16) == 0x484b)
2315 {
2316 int i;
2317
2318 pDevice->NodeAddress[0] = (LM_UINT8) (Value32 >> 8);
2319 pDevice->NodeAddress[1] = (LM_UINT8) Value32;
2320
2321 Value32 = MEM_RD_OFFSET(pDevice, T3_MAC_ADDR_LOW_MAILBOX);
2322
2323 pDevice->NodeAddress[2] = (LM_UINT8) (Value32 >> 24);
2324 pDevice->NodeAddress[3] = (LM_UINT8) (Value32 >> 16);
2325 pDevice->NodeAddress[4] = (LM_UINT8) (Value32 >> 8);
2326 pDevice->NodeAddress[5] = (LM_UINT8) Value32;
2327
2328 /* Check for null MAC address which can happen with older boot code */
2329 for (i = 0; i < 6; i++)
2330 {
2331 if (pDevice->NodeAddress[i] != 0)
2332 {
2333 Status = LM_STATUS_SUCCESS;
2334 break;
2335 }
2336 }
2337 }
2338 }
2339
2340 if (Status != LM_STATUS_SUCCESS)
2341 {
2342 int MacOffset;
2343
2344 MacOffset = 0x7c;
2345 if (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5704 ||
2346 (T3_ASIC_5714_FAMILY(pDevice->ChipRevId)) )
2347 {
2348 if (REG_RD(pDevice, PciCfg.DualMacCtrl) & T3_DUAL_MAC_ID)
2349 {
2350 MacOffset = 0xcc;
2351 }
2352 /* the boot code is not running */
2353 if (LM_NVRAM_AcquireLock(pDevice) != LM_STATUS_SUCCESS)
2354 {
2355 REG_WR(pDevice, Nvram.Cmd, NVRAM_CMD_RESET);
2356 }
2357 else
2358 {
2359 LM_NVRAM_ReleaseLock(pDevice);
2360 }
2361 }
2362
2363 Status = LM_NvramRead(pDevice, MacOffset, &Value32);
2364 if(Status == LM_STATUS_SUCCESS)
2365 {
2366 LM_UINT8 *c = (LM_UINT8 *) &Value32;
2367
2368 pDevice->NodeAddress[0] = c[2];
2369 pDevice->NodeAddress[1] = c[3];
2370
2371 Status = LM_NvramRead(pDevice, MacOffset + 4, &Value32);
2372
2373 c = (LM_UINT8 *) &Value32;
2374 pDevice->NodeAddress[2] = c[0];
2375 pDevice->NodeAddress[3] = c[1];
2376 pDevice->NodeAddress[4] = c[2];
2377 pDevice->NodeAddress[5] = c[3];
2378 }
2379 }
2380
2381 if(Status != LM_STATUS_SUCCESS)
2382 {
2383 Value32 = REG_RD(pDevice, MacCtrl.MacAddr[0].High);
2384 pDevice->NodeAddress[0] = (Value32 >> 8) & 0xff;
2385 pDevice->NodeAddress[1] = Value32 & 0xff;
2386 Value32 = REG_RD(pDevice, MacCtrl.MacAddr[0].Low);
2387 pDevice->NodeAddress[2] = (Value32 >> 24) & 0xff;
2388 pDevice->NodeAddress[3] = (Value32 >> 16) & 0xff;
2389 pDevice->NodeAddress[4] = (Value32 >> 8) & 0xff;
2390 pDevice->NodeAddress[5] = Value32 & 0xff;
2391 B57_ERR(("WARNING: Cannot get MAC addr from NVRAM, using %2.2x%2.2x%2.2x%2.2x%2.2x%2.2x\n",
2392 pDevice->NodeAddress[0], pDevice->NodeAddress[1],
2393 pDevice->NodeAddress[2], pDevice->NodeAddress[3],
2394 pDevice->NodeAddress[4], pDevice->NodeAddress[5]));
2395 }
2396
2397 memcpy(pDevice->PermanentNodeAddress, pDevice->NodeAddress, 6);
2398
2399 /* Initialize the default values. */
2400 pDevice->TxPacketDescCnt = DEFAULT_TX_PACKET_DESC_COUNT;
2401 pDevice->RxStdDescCnt = DEFAULT_STD_RCV_DESC_COUNT;
2402 pDevice->RxCoalescingTicks = DEFAULT_RX_COALESCING_TICKS;
2403 pDevice->TxCoalescingTicks = DEFAULT_TX_COALESCING_TICKS;
2404 pDevice->RxMaxCoalescedFrames = DEFAULT_RX_MAX_COALESCED_FRAMES;
2405 pDevice->TxMaxCoalescedFrames = DEFAULT_TX_MAX_COALESCED_FRAMES;
2406 pDevice->RxCoalescingTicksDuringInt = BAD_DEFAULT_VALUE;
2407 pDevice->TxCoalescingTicksDuringInt = BAD_DEFAULT_VALUE;
2408 pDevice->RxMaxCoalescedFramesDuringInt = BAD_DEFAULT_VALUE;
2409 pDevice->TxMaxCoalescedFramesDuringInt = BAD_DEFAULT_VALUE;
2410 pDevice->StatsCoalescingTicks = DEFAULT_STATS_COALESCING_TICKS;
2411 pDevice->TxMtu = MAX_ETHERNET_PACKET_SIZE_NO_CRC;
2412 pDevice->RxMtu = MAX_ETHERNET_PACKET_SIZE_NO_CRC;
2413 pDevice->DisableAutoNeg = FALSE;
2414 pDevice->PhyIntMode = T3_PHY_INT_MODE_AUTO;
2415 pDevice->LinkChngMode = T3_LINK_CHNG_MODE_AUTO;
2416
2417 pDevice->PhyFlags = 0;
2418
2419 if (!(pDevice->Flags & PCI_EXPRESS_FLAG))
2420 pDevice->Flags |= DELAY_PCI_GRANT_FLAG;
2421
2422 pDevice->RequestedLineSpeed = LM_LINE_SPEED_AUTO;
2423 pDevice->TaskOffloadCap = LM_TASK_OFFLOAD_NONE;
2424 pDevice->TaskToOffload = LM_TASK_OFFLOAD_NONE;
2425 pDevice->FlowControlCap = LM_FLOW_CONTROL_AUTO_PAUSE;
2426 #ifdef INCLUDE_TBI_SUPPORT
2427 pDevice->TbiFlags = 0;
2428 pDevice->IgnoreTbiLinkChange = FALSE;
2429 #endif
2430 #ifdef INCLUDE_TCP_SEG_SUPPORT
2431 pDevice->LargeSendMaxSize = T3_TCP_SEG_MAX_OFFLOAD_SIZE;
2432 pDevice->LargeSendMinNumSeg = T3_TCP_SEG_MIN_NUM_SEG;
2433 #endif
2434
2435 if ((T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5703) ||
2436 (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5704) ||
2437 (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5705))
2438 {
2439 pDevice->PhyFlags |= PHY_RESET_ON_LINKDOWN;
2440 pDevice->PhyFlags |= PHY_CHECK_TAPS_AFTER_RESET;
2441 }
2442 if ((T3_CHIP_REV(pDevice->ChipRevId) == T3_CHIP_REV_5703_AX) ||
2443 (T3_CHIP_REV(pDevice->ChipRevId) == T3_CHIP_REV_5704_AX))
2444 {
2445 pDevice->PhyFlags |= PHY_ADC_FIX;
2446 }
2447 if (pDevice->ChipRevId == T3_CHIP_ID_5704_A0)
2448 {
2449 pDevice->PhyFlags |= PHY_5704_A0_FIX;
2450 }
2451 if (T3_ASIC_IS_5705_BEYOND(pDevice->ChipRevId))
2452 {
2453 pDevice->PhyFlags |= PHY_5705_5750_FIX;
2454 }
2455 /* Ethernet@Wirespeed is supported on 5701,5702,5703,5704,5705a0,5705a1 */
2456 if ((T3_ASIC_REV(pDevice->ChipRevId) != T3_ASIC_REV_5700) &&
2457 !((T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5705) &&
2458 (pDevice->ChipRevId != T3_CHIP_ID_5705_A0) &&
2459 (pDevice->ChipRevId != T3_CHIP_ID_5705_A1)))
2460 {
2461 pDevice->PhyFlags |= PHY_ETHERNET_WIRESPEED;
2462 }
2463
2464 switch (T3_ASIC_REV(pDevice->ChipRevId))
2465 {
2466 case T3_ASIC_REV_5704:
2467 pDevice->MbufBase = T3_NIC_MBUF_POOL_ADDR;
2468 pDevice->MbufSize = T3_NIC_MBUF_POOL_SIZE64;
2469 break;
2470 default:
2471 pDevice->MbufBase = T3_NIC_MBUF_POOL_ADDR;
2472 pDevice->MbufSize = T3_NIC_MBUF_POOL_SIZE96;
2473 break;
2474 }
2475
2476 pDevice->LinkStatus = LM_STATUS_LINK_DOWN;
2477 pDevice->QueueRxPackets = TRUE;
2478
2479 #if T3_JUMBO_RCV_RCB_ENTRY_COUNT
2480
2481 if(T3_ASIC_IS_JUMBO_CAPABLE(pDevice->ChipRevId)){
2482 if( ! T3_ASIC_5714_FAMILY(pDevice->ChipRevId))
2483 pDevice->RxJumboDescCnt = DEFAULT_JUMBO_RCV_DESC_COUNT;
2484 pDevice->Flags |= JUMBO_CAPABLE_FLAG;
2485 }
2486
2487 #endif /* T3_JUMBO_RCV_RCB_ENTRY_COUNT */
2488
2489 pDevice->BondId = REG_RD(pDevice, Grc.MiscCfg) & GRC_MISC_BD_ID_MASK;
2490
2491 if(((T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5701) &&
2492 ((pDevice->BondId == 0x10000) || (pDevice->BondId == 0x18000))) ||
2493 ((T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5703) &&
2494 ((pDevice->BondId == 0x14000) || (pDevice->BondId == 0x1c000))))
2495 {
2496 return LM_STATUS_UNKNOWN_ADAPTER;
2497 }
2498 if(T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5703)
2499 {
2500 if ((pDevice->BondId == 0x8000) || (pDevice->BondId == 0x4000))
2501 {
2502 pDevice->PhyFlags |= PHY_NO_GIGABIT;
2503 }
2504 }
2505 if(T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5705)
2506 {
2507 if ((pDevice->BondId == GRC_MISC_BD_ID_5788) ||
2508 (pDevice->BondId == GRC_MISC_BD_ID_5788M))
2509 {
2510 pDevice->Flags |= BCM5788_FLAG;
2511 }
2512
2513 if ((pDevice->PciDeviceId == T3_PCI_DEVICE_ID(T3_PCI_ID_BCM5901)) ||
2514 (pDevice->PciDeviceId == T3_PCI_DEVICE_ID(T3_PCI_ID_BCM5901A2)) ||
2515 (pDevice->PciDeviceId == T3_PCI_DEVICE_ID(T3_PCI_ID_BCM5705F)))
2516 {
2517 pDevice->PhyFlags |= PHY_NO_GIGABIT;
2518 }
2519 }
2520
2521 if (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5750)
2522 {
2523 if ( (pDevice->PciDeviceId == T3_PCI_DEVICE_ID(T3_PCI_ID_BCM5751F))||
2524 (pDevice->PciDeviceId == T3_PCI_DEVICE_ID(T3_PCI_ID_BCM5753F)))
2525 {
2526 pDevice->PhyFlags |= PHY_NO_GIGABIT;
2527 }
2528 }
2529
2530 /* CIOBE multisplit has a bug */
2531
2532 /* Get Eeprom info. */
2533 Value32 = MEM_RD_OFFSET(pDevice, T3_NIC_DATA_SIG_ADDR);
2534 if (Value32 == T3_NIC_DATA_SIG)
2535 {
2536 EeSigFound = TRUE;
2537 Value32 = MEM_RD_OFFSET(pDevice, T3_NIC_DATA_NIC_CFG_ADDR);
2538
2539 /* For now the 5753 cannot drive gpio2 or ASF will blow */
2540 if(Value32 & T3_NIC_GPIO2_NOT_AVAILABLE)
2541 {
2542 pDevice->Flags |= GPIO2_DONOT_OUTPUT;
2543 }
2544
2545 if (Value32 & T3_NIC_MINI_PCI)
2546 {
2547 pDevice->Flags |= MINI_PCI_FLAG;
2548 }
2549 /* Determine PHY type. */
2550 switch (Value32 & T3_NIC_CFG_PHY_TYPE_MASK)
2551 {
2552 case T3_NIC_CFG_PHY_TYPE_COPPER:
2553 EePhyTypeSerdes = FALSE;
2554 break;
2555
2556 case T3_NIC_CFG_PHY_TYPE_FIBER:
2557 EePhyTypeSerdes = TRUE;
2558 break;
2559
2560 default:
2561 EePhyTypeSerdes = FALSE;
2562 break;
2563 }
2564
2565 if ( T3_ASIC_IS_575X_PLUS(pDevice->ChipRevId))
2566 {
2567 LedCfg = MEM_RD_OFFSET(pDevice, T3_NIC_DATA_NIC_CFG_ADDR2);
2568 LedCfg = LedCfg & (T3_NIC_CFG_LED_MODE_MASK |
2569 T3_SHASTA_EXT_LED_MODE_MASK);
2570 }
2571 else
2572 {
2573 /* Determine PHY led mode. for legacy devices */
2574 LedCfg = Value32 & T3_NIC_CFG_LED_MODE_MASK;
2575 }
2576
2577 switch (LedCfg)
2578 {
2579 default:
2580 case T3_NIC_CFG_LED_PHY_MODE_1:
2581 pDevice->LedCtrl = LED_CTRL_PHY_MODE_1;
2582 break;
2583
2584 case T3_NIC_CFG_LED_PHY_MODE_2:
2585 pDevice->LedCtrl = LED_CTRL_PHY_MODE_2;
2586 break;
2587
2588 case T3_NIC_CFG_LED_MAC_MODE:
2589 pDevice->LedCtrl = LED_CTRL_MAC_MODE;
2590 break;
2591
2592 case T3_SHASTA_EXT_LED_SHARED_TRAFFIC_LINK_MODE:
2593 pDevice->LedCtrl = LED_CTRL_SHARED_TRAFFIC_LINK;
2594 if ((pDevice->ChipRevId != T3_CHIP_ID_5750_A0) &&
2595 (pDevice->ChipRevId != T3_CHIP_ID_5750_A1))
2596 {
2597 pDevice->LedCtrl |= LED_CTRL_PHY_MODE_1 |
2598 LED_CTRL_PHY_MODE_2;
2599 }
2600 break;
2601
2602 case T3_SHASTA_EXT_LED_MAC_MODE:
2603 pDevice->LedCtrl = LED_CTRL_SHASTA_MAC_MODE;
2604 break;
2605
2606 case T3_SHASTA_EXT_LED_WIRELESS_COMBO_MODE:
2607 pDevice->LedCtrl = LED_CTRL_WIRELESS_COMBO;
2608 if (pDevice->ChipRevId != T3_CHIP_ID_5750_A0)
2609 {
2610 pDevice->LedCtrl |= LED_CTRL_PHY_MODE_1 |
2611 LED_CTRL_PHY_MODE_2;
2612 }
2613 break;
2614
2615 }
2616
2617 if (((T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5700 ||
2618 T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5701)) &&
2619 (pDevice->SubsystemVendorId == T3_SVID_DELL))
2620 {
2621 pDevice->LedCtrl = LED_CTRL_PHY_MODE_2;
2622 }
2623
2624 if((T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5703) ||
2625 (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5704) ||
2626 (T3_ASIC_IS_5705_BEYOND(pDevice->ChipRevId)) )
2627 {
2628 /* Enable EEPROM write protection. */
2629 if(Value32 & T3_NIC_EEPROM_WP)
2630 {
2631 pDevice->Flags |= EEPROM_WP_FLAG;
2632 }
2633 }
2634 pDevice->AsfFlags = 0;
2635 #ifdef BCM_ASF
2636 if (Value32 & T3_NIC_CFG_ENABLE_ASF)
2637 {
2638 pDevice->AsfFlags |= ASF_ENABLED;
2639 if (T3_ASIC_IS_575X_PLUS(pDevice->ChipRevId))
2640 {
2641 pDevice->AsfFlags |= ASF_NEW_HANDSHAKE;
2642 }
2643 }
2644 #endif
2645 if (Value32 & T3_NIC_FIBER_WOL_CAPABLE)
2646 {
2647 pDevice->Flags |= FIBER_WOL_CAPABLE_FLAG;
2648 }
2649 if (Value32 & T3_NIC_WOL_LIMIT_10)
2650 {
2651 pDevice->Flags |= WOL_LIMIT_10MBPS_FLAG;
2652 }
2653
2654 /* Get the PHY Id. */
2655 Value32 = MEM_RD_OFFSET(pDevice, T3_NIC_DATA_PHY_ID_ADDR);
2656 if (Value32)
2657 {
2658 EePhyId = (((Value32 & T3_NIC_PHY_ID1_MASK) >> 16) &
2659 PHY_ID1_OUI_MASK) << 10;
2660
2661 Value32 = Value32 & T3_NIC_PHY_ID2_MASK;
2662
2663 EePhyId |= ((Value32 & PHY_ID2_OUI_MASK) << 16) |
2664 (Value32 & PHY_ID2_MODEL_MASK) | (Value32 & PHY_ID2_REV_MASK);
2665 }
2666 else
2667 {
2668 EePhyId = 0;
2669 if (!EePhyTypeSerdes && !(pDevice->AsfFlags & ASF_ENABLED))
2670 {
2671 /* reset PHY if boot code couldn't read the PHY ID */
2672 LM_ResetPhy(pDevice);
2673 }
2674 }
2675
2676 Ver = MEM_RD_OFFSET(pDevice, T3_NIC_DATA_VER);
2677 Ver >>= T3_NIC_DATA_VER_SHIFT;
2678
2679 Value32 = 0;
2680 if((T3_ASIC_REV(pDevice->ChipRevId) != T3_ASIC_REV_5700) &&
2681 (T3_ASIC_REV(pDevice->ChipRevId) != T3_ASIC_REV_5701) &&
2682 (T3_ASIC_REV(pDevice->ChipRevId) != T3_ASIC_REV_5703) &&
2683 (Ver > 0) && (Ver < 0x100)){
2684
2685 Value32 = MEM_RD_OFFSET(pDevice, T3_NIC_DATA_NIC_CFG_ADDR2);
2686
2687 if (Value32 & T3_NIC_CFG_CAPACITIVE_COUPLING)
2688 {
2689 pDevice->PhyFlags |= PHY_CAPACITIVE_COUPLING;
2690 }
2691
2692 if (Value32 & T3_NIC_CFG_PRESERVE_PREEMPHASIS)
2693 {
2694 pDevice->TbiFlags |= TBI_DO_PREEMPHASIS;
2695 }
2696
2697 }
2698
2699 }
2700 else
2701 {
2702 EeSigFound = FALSE;
2703 }
2704
2705 /* Set the PHY address. */
2706 pDevice->PhyAddr = PHY_DEVICE_ID;
2707
2708 /* Disable auto polling. */
2709 pDevice->MiMode = 0xc0000;
2710 REG_WR(pDevice, MacCtrl.MiMode, pDevice->MiMode);
2711 REG_RD_BACK(pDevice, MacCtrl.MiMode);
2712 MM_Wait(80);
2713
2714 if (pDevice->AsfFlags & ASF_ENABLED)
2715 {
2716 /* Reading PHY registers will contend with ASF */
2717 pDevice->PhyId = 0;
2718 }
2719 else
2720 {
2721 /* Get the PHY id. */
2722 LM_GetPhyId(pDevice);
2723 }
2724
2725 /* Set the EnableTbi flag to false if we have a copper PHY. */
2726 switch(pDevice->PhyId & PHY_ID_MASK)
2727 {
2728 case PHY_BCM5400_PHY_ID:
2729 case PHY_BCM5401_PHY_ID:
2730 case PHY_BCM5411_PHY_ID:
2731 case PHY_BCM5461_PHY_ID:
2732 case PHY_BCM5701_PHY_ID:
2733 case PHY_BCM5703_PHY_ID:
2734 case PHY_BCM5704_PHY_ID:
2735 case PHY_BCM5705_PHY_ID:
2736 case PHY_BCM5750_PHY_ID:
2737 break;
2738 case PHY_BCM5714_PHY_ID:
2739 case PHY_BCM5780_PHY_ID:
2740 if(EePhyTypeSerdes == TRUE)
2741 {
2742 pDevice->PhyFlags |= PHY_IS_FIBER;
2743 }
2744 break;
2745 case PHY_BCM5752_PHY_ID:
2746 break;
2747
2748 case PHY_BCM8002_PHY_ID:
2749 pDevice->TbiFlags |= ENABLE_TBI_FLAG;
2750 break;
2751
2752 default:
2753
2754 if (EeSigFound)
2755 {
2756 pDevice->PhyId = EePhyId;
2757
2758 if (EePhyTypeSerdes && ((pDevice->PhyId == PHY_BCM5780_PHY_ID)) )
2759 {
2760 pDevice->PhyFlags |= PHY_IS_FIBER;
2761 }
2762 else if (EePhyTypeSerdes)
2763 {
2764 pDevice->TbiFlags |= ENABLE_TBI_FLAG;
2765 }
2766 }
2767 else if ((pAdapterInfo = LM_GetAdapterInfoBySsid(
2768 pDevice->SubsystemVendorId,
2769 pDevice->SubsystemId)))
2770 {
2771 pDevice->PhyId = pAdapterInfo->PhyId;
2772 if (pAdapterInfo->Serdes)
2773 {
2774 pDevice->TbiFlags |= ENABLE_TBI_FLAG;
2775 }
2776 }
2777 else
2778 {
2779 if (UNKNOWN_PHY_ID(pDevice->PhyId))
2780 {
2781 LM_ResetPhy(pDevice);
2782 LM_GetPhyId(pDevice);
2783 }
2784 }
2785 break;
2786 }
2787
2788 if(UNKNOWN_PHY_ID(pDevice->PhyId) &&
2789 !(pDevice->TbiFlags & ENABLE_TBI_FLAG))
2790 {
2791 if (pDevice->Flags & ROBO_SWITCH_FLAG) {
2792 B57_ERR(("PHY ID unknown, assume it is a copper PHY.\n"));
2793 } else {
2794 pDevice->TbiFlags |= ENABLE_TBI_FLAG;
2795 B57_ERR(("PHY ID unknown, assume it is SerDes\n"));
2796 }
2797 }
2798
2799 if(T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5703)
2800 {
2801 if((pDevice->SavedCacheLineReg & 0xff00) < 0x4000)
2802 {
2803 pDevice->SavedCacheLineReg &= 0xffff00ff;
2804 pDevice->SavedCacheLineReg |= 0x4000;
2805 }
2806 }
2807
2808 pDevice->ReceiveMask = LM_ACCEPT_MULTICAST | LM_ACCEPT_BROADCAST |
2809 LM_ACCEPT_UNICAST;
2810
2811 pDevice->TaskOffloadCap = LM_TASK_OFFLOAD_TX_TCP_CHECKSUM |
2812 LM_TASK_OFFLOAD_TX_UDP_CHECKSUM | LM_TASK_OFFLOAD_RX_TCP_CHECKSUM |
2813 LM_TASK_OFFLOAD_RX_UDP_CHECKSUM;
2814
2815 if (pDevice->ChipRevId == T3_CHIP_ID_5700_B0)
2816 {
2817 pDevice->TaskOffloadCap &= ~(LM_TASK_OFFLOAD_TX_TCP_CHECKSUM |
2818 LM_TASK_OFFLOAD_TX_UDP_CHECKSUM);
2819 }
2820
2821 #ifdef INCLUDE_TCP_SEG_SUPPORT
2822 pDevice->TaskOffloadCap |= LM_TASK_OFFLOAD_TCP_SEGMENTATION;
2823
2824 if ((T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5700) ||
2825 (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5701) ||
2826 (pDevice->ChipRevId == T3_CHIP_ID_5705_A0))
2827 {
2828 pDevice->TaskOffloadCap &= ~LM_TASK_OFFLOAD_TCP_SEGMENTATION;
2829 }
2830 #endif
2831
2832 #ifdef BCM_ASF
2833 if (pDevice->AsfFlags & ASF_ENABLED)
2834 {
2835 if (!T3_ASIC_IS_575X_PLUS(pDevice->ChipRevId))
2836 {
2837 pDevice->TaskOffloadCap &= ~LM_TASK_OFFLOAD_TCP_SEGMENTATION;
2838 }
2839 }
2840 #endif
2841
2842 /* Change driver parameters. */
2843 Status = MM_GetConfig(pDevice);
2844 if(Status != LM_STATUS_SUCCESS)
2845 {
2846 return Status;
2847 }
2848
2849 if (T3_ASIC_IS_5705_BEYOND(pDevice->ChipRevId))
2850 {
2851 pDevice->Flags &= ~NIC_SEND_BD_FLAG;
2852 }
2853
2854 /* Save the current phy link status. */
2855 if (!(pDevice->TbiFlags & ENABLE_TBI_FLAG) &&
2856 !(pDevice->AsfFlags & ASF_ENABLED))
2857 {
2858 LM_ReadPhy(pDevice, PHY_STATUS_REG, &Value32);
2859 LM_ReadPhy(pDevice, PHY_STATUS_REG, &Value32);
2860
2861 /* If we don't have link reset the PHY. */
2862 if(!(Value32 & PHY_STATUS_LINK_PASS) ||
2863 (pDevice->PhyFlags & PHY_RESET_ON_INIT))
2864 {
2865
2866 LM_ResetPhy(pDevice);
2867
2868 if (LM_PhyAdvertiseAll(pDevice) != LM_STATUS_SUCCESS)
2869 {
2870 Value32 = PHY_AN_AD_PROTOCOL_802_3_CSMA_CD |
2871 PHY_AN_AD_ALL_SPEEDS;
2872 Value32 |= GetPhyAdFlowCntrlSettings(pDevice);
2873 LM_WritePhy(pDevice, PHY_AN_AD_REG, Value32);
2874
2875 if(!(pDevice->PhyFlags & PHY_NO_GIGABIT))
2876 Value32 = BCM540X_AN_AD_ALL_1G_SPEEDS ;
2877 else
2878 Value32 =0;
2879
2880 #ifdef INCLUDE_5701_AX_FIX
2881 if(pDevice->ChipRevId == T3_CHIP_ID_5701_A0 ||
2882 pDevice->ChipRevId == T3_CHIP_ID_5701_B0)
2883 {
2884 Value32 |= BCM540X_CONFIG_AS_MASTER |
2885 BCM540X_ENABLE_CONFIG_AS_MASTER;
2886 }
2887 #endif
2888 LM_WritePhy(pDevice, BCM540X_1000BASET_CTRL_REG, Value32);
2889
2890 LM_WritePhy(pDevice, PHY_CTRL_REG, PHY_CTRL_AUTO_NEG_ENABLE |
2891 PHY_CTRL_RESTART_AUTO_NEG);
2892 }
2893
2894 }
2895 LM_SetEthWireSpeed(pDevice);
2896
2897 LM_ReadPhy(pDevice, PHY_AN_AD_REG, &pDevice->advertising);
2898 LM_ReadPhy(pDevice, BCM540X_1000BASET_CTRL_REG,
2899 &pDevice->advertising1000);
2900
2901 }
2902 /* Currently 5401 phy only */
2903 LM_PhyTapPowerMgmt(pDevice);
2904
2905 #ifdef INCLUDE_TBI_SUPPORT
2906 if(pDevice->TbiFlags & ENABLE_TBI_FLAG)
2907 {
2908 if (!(pDevice->Flags & FIBER_WOL_CAPABLE_FLAG))
2909 {
2910 pDevice->WakeUpModeCap = LM_WAKE_UP_MODE_NONE;
2911 }
2912 pDevice->PhyIntMode = T3_PHY_INT_MODE_LINK_READY;
2913 if (pDevice->TbiFlags & TBI_PURE_POLLING_FLAG)
2914 {
2915 pDevice->IgnoreTbiLinkChange = TRUE;
2916 }
2917 }
2918 else
2919 {
2920 pDevice->TbiFlags = 0;
2921 }
2922
2923 #endif /* INCLUDE_TBI_SUPPORT */
2924
2925 /* UseTaggedStatus is only valid for 5701 and later. */
2926 if ((T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5700) ||
2927 ((T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5705) &&
2928 ((pDevice->BondId == GRC_MISC_BD_ID_5788) ||
2929 (pDevice->BondId == GRC_MISC_BD_ID_5788M))))
2930 {
2931 pDevice->Flags &= ~USE_TAGGED_STATUS_FLAG;
2932 pDevice->CoalesceMode = 0;
2933 }
2934 else
2935 {
2936 pDevice->CoalesceMode = HOST_COALESCE_CLEAR_TICKS_ON_RX_BD_EVENT |
2937 HOST_COALESCE_CLEAR_TICKS_ON_TX_BD_EVENT;
2938 }
2939
2940 /* Set the status block size. */
2941 if(T3_CHIP_REV(pDevice->ChipRevId) != T3_CHIP_REV_5700_AX &&
2942 T3_CHIP_REV(pDevice->ChipRevId) != T3_CHIP_REV_5700_BX)
2943 {
2944 pDevice->CoalesceMode |= HOST_COALESCE_32_BYTE_STATUS_MODE;
2945 }
2946
2947 /* Check the DURING_INT coalescing ticks parameters. */
2948 if (pDevice->Flags & USE_TAGGED_STATUS_FLAG)
2949 {
2950 if(pDevice->RxCoalescingTicksDuringInt == BAD_DEFAULT_VALUE)
2951 {
2952 pDevice->RxCoalescingTicksDuringInt =
2953 DEFAULT_RX_COALESCING_TICKS_DURING_INT;
2954 }
2955
2956 if(pDevice->TxCoalescingTicksDuringInt == BAD_DEFAULT_VALUE)
2957 {
2958 pDevice->TxCoalescingTicksDuringInt =
2959 DEFAULT_TX_COALESCING_TICKS_DURING_INT;
2960 }
2961
2962 if(pDevice->RxMaxCoalescedFramesDuringInt == BAD_DEFAULT_VALUE)
2963 {
2964 pDevice->RxMaxCoalescedFramesDuringInt =
2965 DEFAULT_RX_MAX_COALESCED_FRAMES_DURING_INT;
2966 }
2967
2968 if(pDevice->TxMaxCoalescedFramesDuringInt == BAD_DEFAULT_VALUE)
2969 {
2970 pDevice->TxMaxCoalescedFramesDuringInt =
2971 DEFAULT_TX_MAX_COALESCED_FRAMES_DURING_INT;
2972 }
2973 }
2974 else
2975 {
2976 if(pDevice->RxCoalescingTicksDuringInt == BAD_DEFAULT_VALUE)
2977 {
2978 pDevice->RxCoalescingTicksDuringInt = 0;
2979 }
2980
2981 if(pDevice->TxCoalescingTicksDuringInt == BAD_DEFAULT_VALUE)
2982 {
2983 pDevice->TxCoalescingTicksDuringInt = 0;
2984 }
2985
2986 if(pDevice->RxMaxCoalescedFramesDuringInt == BAD_DEFAULT_VALUE)
2987 {
2988 pDevice->RxMaxCoalescedFramesDuringInt = 0;
2989 }
2990
2991 if(pDevice->TxMaxCoalescedFramesDuringInt == BAD_DEFAULT_VALUE)
2992 {
2993 pDevice->TxMaxCoalescedFramesDuringInt = 0;
2994 }
2995 }
2996
2997 #if T3_JUMBO_RCV_RCB_ENTRY_COUNT
2998 if(pDevice->RxMtu <= (MAX_STD_RCV_BUFFER_SIZE - 8 /* CRC */))
2999 {
3000 pDevice->RxJumboDescCnt = 0;
3001 if(pDevice->RxMtu <= MAX_ETHERNET_PACKET_SIZE_NO_CRC)
3002 {
3003 pDevice->RxMtu = MAX_ETHERNET_PACKET_SIZE_NO_CRC;
3004 }
3005 }
3006 else if(T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5705)
3007 {
3008 pDevice->RxMtu = MAX_ETHERNET_PACKET_SIZE_NO_CRC;
3009 pDevice->RxJumboDescCnt = 0;
3010 }
3011 else
3012 {
3013 pDevice->RxJumboBufferSize = (pDevice->RxMtu + 8 /* CRC + VLAN */ +
3014 COMMON_CACHE_LINE_SIZE-1) & ~COMMON_CACHE_LINE_MASK;
3015
3016 if(pDevice->RxJumboBufferSize > MAX_JUMBO_RCV_BUFFER_SIZE)
3017 {
3018 pDevice->RxJumboBufferSize = DEFAULT_JUMBO_RCV_BUFFER_SIZE;
3019 pDevice->RxMtu = pDevice->RxJumboBufferSize - 8 /* CRC + VLAN */;
3020 }
3021 pDevice->TxMtu = pDevice->RxMtu;
3022 }
3023 #else
3024 pDevice->RxMtu = MAX_ETHERNET_PACKET_SIZE_NO_CRC;
3025 #endif /* T3_JUMBO_RCV_RCB_ENTRY_COUNT */
3026
3027 pDevice->RxPacketDescCnt =
3028 #if T3_JUMBO_RCV_RCB_ENTRY_COUNT
3029 pDevice->RxJumboDescCnt +
3030 #endif /* T3_JUMBO_RCV_RCB_ENTRY_COUNT */
3031 pDevice->RxStdDescCnt;
3032
3033 if(pDevice->TxMtu < MAX_ETHERNET_PACKET_SIZE_NO_CRC)
3034 {
3035 pDevice->TxMtu = MAX_ETHERNET_PACKET_SIZE_NO_CRC;
3036 }
3037
3038 if(pDevice->TxMtu > MAX_JUMBO_TX_BUFFER_SIZE)
3039 {
3040 pDevice->TxMtu = MAX_JUMBO_TX_BUFFER_SIZE;
3041 }
3042
3043 /* Configure the proper ways to get link change interrupt. */
3044 if(pDevice->PhyIntMode == T3_PHY_INT_MODE_AUTO)
3045 {
3046 if(T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5700)
3047 {
3048 pDevice->PhyIntMode = T3_PHY_INT_MODE_MI_INTERRUPT;
3049 }
3050 else
3051 {
3052 pDevice->PhyIntMode = T3_PHY_INT_MODE_LINK_READY;
3053 }
3054 }
3055 else if(pDevice->PhyIntMode == T3_PHY_INT_MODE_AUTO_POLLING)
3056 {
3057 /* Auto-polling does not work on 5700_AX and 5700_BX. */
3058 if(T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5700)
3059 {
3060 pDevice->PhyIntMode = T3_PHY_INT_MODE_MI_INTERRUPT;
3061 }
3062 }
3063
3064 /* Determine the method to get link change status. */
3065 if(pDevice->LinkChngMode == T3_LINK_CHNG_MODE_AUTO)
3066 {
3067 /* The link status bit in the status block does not work on 5700_AX */
3068 /* and 5700_BX chips. */
3069 if(T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5700)
3070 {
3071 pDevice->LinkChngMode = T3_LINK_CHNG_MODE_USE_STATUS_REG;
3072 }
3073 else
3074 {
3075 pDevice->LinkChngMode = T3_LINK_CHNG_MODE_USE_STATUS_BLOCK;
3076 }
3077 }
3078
3079 if(pDevice->PhyIntMode == T3_PHY_INT_MODE_MI_INTERRUPT ||
3080 T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5700)
3081 {
3082 pDevice->LinkChngMode = T3_LINK_CHNG_MODE_USE_STATUS_REG;
3083 }
3084
3085 if (!EeSigFound)
3086 {
3087 pDevice->LedCtrl = LED_CTRL_PHY_MODE_1;
3088 }
3089
3090 if(T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5700 ||
3091 T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5701)
3092 {
3093 /* bug? 5701 in LINK10 mode does not seem to work when */
3094 /* PhyIntMode is LINK_READY. */
3095 if(T3_ASIC_REV(pDevice->ChipRevId) != T3_ASIC_REV_5700 &&
3096 #ifdef INCLUDE_TBI_SUPPORT
3097 !(pDevice->TbiFlags & ENABLE_TBI_FLAG) &&
3098 #endif
3099 pDevice->LedCtrl == LED_CTRL_PHY_MODE_2)
3100 {
3101 pDevice->PhyIntMode = T3_PHY_INT_MODE_MI_INTERRUPT;
3102 pDevice->LinkChngMode = T3_LINK_CHNG_MODE_USE_STATUS_REG;
3103 }
3104 if (pDevice->TbiFlags & ENABLE_TBI_FLAG)
3105 {
3106 pDevice->LedCtrl = LED_CTRL_PHY_MODE_1;
3107 }
3108 }
3109
3110 #ifdef BCM_WOL
3111 if (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5700 ||
3112 pDevice->ChipRevId == T3_CHIP_ID_5701_A0 ||
3113 pDevice->ChipRevId == T3_CHIP_ID_5701_B0 ||
3114 pDevice->ChipRevId == T3_CHIP_ID_5701_B2)
3115 {
3116 pDevice->WolSpeed = WOL_SPEED_10MB;
3117 }
3118 else
3119 {
3120 if (pDevice->Flags & WOL_LIMIT_10MBPS_FLAG)
3121 {
3122 pDevice->WolSpeed = WOL_SPEED_10MB;
3123 }
3124 else
3125 {
3126 pDevice->WolSpeed = WOL_SPEED_100MB;
3127 }
3128 }
3129 #endif
3130
3131 pDevice->PciState = REG_RD(pDevice, PciCfg.PciState);
3132
3133 pDevice->DmaReadFifoSize = 0;
3134 if (((T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5705) &&
3135 (pDevice->ChipRevId != T3_CHIP_ID_5705_A0)) ||
3136 T3_ASIC_IS_575X_PLUS(pDevice->ChipRevId) )
3137 {
3138 #ifdef INCLUDE_TCP_SEG_SUPPORT
3139 if ((pDevice->TaskToOffload & LM_TASK_OFFLOAD_TCP_SEGMENTATION) &&
3140 ((pDevice->ChipRevId == T3_CHIP_ID_5705_A1) ||
3141 (pDevice->ChipRevId == T3_CHIP_ID_5705_A2)))
3142 {
3143 pDevice->DmaReadFifoSize = DMA_READ_MODE_FIFO_SIZE_128;
3144 }
3145 else
3146 #endif
3147 {
3148 if (!(pDevice->PciState & T3_PCI_STATE_HIGH_BUS_SPEED) &&
3149 !(pDevice->Flags & BCM5788_FLAG) &&
3150 !(pDevice->Flags & PCI_EXPRESS_FLAG))
3151 {
3152 pDevice->DmaReadFifoSize = DMA_READ_MODE_FIFO_LONG_BURST;
3153 if (pDevice->ChipRevId == T3_CHIP_ID_5705_A1)
3154 {
3155 pDevice->Flags |= RX_BD_LIMIT_64_FLAG;
3156 }
3157 pDevice->Flags |= DMA_WR_MODE_RX_ACCELERATE_FLAG;
3158 }
3159 else if (pDevice->Flags & PCI_EXPRESS_FLAG)
3160 {
3161 pDevice->DmaReadFifoSize = DMA_READ_MODE_FIFO_LONG_BURST;
3162 }
3163 }
3164 }
3165
3166 pDevice->Flags &= ~T3_HAS_TWO_CPUS;
3167 if (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5700 ||
3168 T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5701 ||
3169 T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5703 ||
3170 T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5704)
3171 {
3172 pDevice->Flags |= T3_HAS_TWO_CPUS;
3173 }
3174
3175 return LM_STATUS_SUCCESS;
3176 } /* LM_GetAdapterInfo */
3177
3178 STATIC PLM_ADAPTER_INFO
3179 LM_GetAdapterInfoBySsid(
3180 LM_UINT16 Svid,
3181 LM_UINT16 Ssid)
3182 {
3183 static LM_ADAPTER_INFO AdapterArr[] =
3184 {
3185 { T3_SVID_BROADCOM, T3_SSID_BROADCOM_BCM95700A6, PHY_BCM5401_PHY_ID, 0},
3186 { T3_SVID_BROADCOM, T3_SSID_BROADCOM_BCM95701A5, PHY_BCM5701_PHY_ID, 0},
3187 { T3_SVID_BROADCOM, T3_SSID_BROADCOM_BCM95700T6, PHY_BCM8002_PHY_ID, 1},
3188 { T3_SVID_BROADCOM, T3_SSID_BROADCOM_BCM95700A9, 0, 1 },
3189 { T3_SVID_BROADCOM, T3_SSID_BROADCOM_BCM95701T1, PHY_BCM5701_PHY_ID, 0},
3190 { T3_SVID_BROADCOM, T3_SSID_BROADCOM_BCM95701T8, PHY_BCM5701_PHY_ID, 0},
3191 { T3_SVID_BROADCOM, T3_SSID_BROADCOM_BCM95701A7, 0, 1},
3192 { T3_SVID_BROADCOM, T3_SSID_BROADCOM_BCM95701A10, PHY_BCM5701_PHY_ID, 0},
3193 { T3_SVID_BROADCOM, T3_SSID_BROADCOM_BCM95701A12, PHY_BCM5701_PHY_ID, 0},
3194 { T3_SVID_BROADCOM, T3_SSID_BROADCOM_BCM95703Ax1, PHY_BCM5703_PHY_ID, 0},
3195 { T3_SVID_BROADCOM, T3_SSID_BROADCOM_BCM95703Ax2, PHY_BCM5703_PHY_ID, 0},
3196
3197 { T3_SVID_3COM, T3_SSID_3COM_3C996T, PHY_BCM5401_PHY_ID, 0 },
3198 { T3_SVID_3COM, T3_SSID_3COM_3C996BT, PHY_BCM5701_PHY_ID, 0 },
3199 { T3_SVID_3COM, T3_SSID_3COM_3C996SX, 0, 1 },
3200 { T3_SVID_3COM, T3_SSID_3COM_3C1000T, PHY_BCM5701_PHY_ID, 0 },
3201 { T3_SVID_3COM, T3_SSID_3COM_3C940BR01, PHY_BCM5701_PHY_ID, 0 },
3202
3203 { T3_SVID_DELL, T3_SSID_DELL_VIPER, PHY_BCM5401_PHY_ID, 0 },
3204 { T3_SVID_DELL, T3_SSID_DELL_JAGUAR, PHY_BCM5401_PHY_ID, 0 },
3205 { T3_SVID_DELL, T3_SSID_DELL_MERLOT, PHY_BCM5411_PHY_ID, 0 },
3206 { T3_SVID_DELL, T3_SSID_DELL_SLIM_MERLOT, PHY_BCM5411_PHY_ID, 0 },
3207
3208 { T3_SVID_COMPAQ, T3_SSID_COMPAQ_BANSHEE, PHY_BCM5701_PHY_ID, 0 },
3209 { T3_SVID_COMPAQ, T3_SSID_COMPAQ_BANSHEE_2, PHY_BCM5701_PHY_ID, 0 },
3210 { T3_SVID_COMPAQ, T3_SSID_COMPAQ_CHANGELING, 0, 1 },
3211 { T3_SVID_COMPAQ, T3_SSID_COMPAQ_NC7780, PHY_BCM5701_PHY_ID, 0 },
3212 { T3_SVID_COMPAQ, T3_SSID_COMPAQ_NC7780_2, PHY_BCM5701_PHY_ID, 0 },
3213
3214 { 0x1014, 0x0281, 0, 1 },
3215 };
3216 LM_UINT32 j;
3217
3218 for(j = 0; j < sizeof(AdapterArr)/sizeof(LM_ADAPTER_INFO); j++)
3219 {
3220 if(AdapterArr[j].Svid == Svid && AdapterArr[j].Ssid == Ssid)
3221 {
3222 return &AdapterArr[j];
3223 }
3224 }
3225
3226 return NULL;
3227 }
3228
3229
3230
3231 /******************************************************************************/
3232 /* Description: */
3233 /* This routine sets up receive/transmit buffer descriptions queues. */
3234 /* */
3235 /* Return: */
3236 /* LM_STATUS_SUCCESS */
3237 /******************************************************************************/
3238 LM_STATUS
3239 LM_InitializeAdapter(
3240 PLM_DEVICE_BLOCK pDevice)
3241 {
3242 LM_PHYSICAL_ADDRESS MemPhy;
3243 PLM_UINT8 pMemVirt;
3244 PLM_PACKET pPacket;
3245 LM_STATUS Status;
3246 LM_UINT32 Size;
3247 LM_UINT32 Value32, j;
3248 LM_UINT32 DmaWrCmd, DmaRdCmd, DmaWrBdry, DmaRdBdry;
3249
3250 MM_ReadConfig32(pDevice, PCI_COMMAND_REG, &Value32);
3251 j = 0;
3252 while (((Value32 & 0x3ff) != (pDevice->PciCommandStatusWords & 0x3ff)) &&
3253 (j < 1000))
3254 {
3255 /* On PCIE devices, there are some rare cases where the device */
3256 /* is in the process of link-training at this point */
3257 MM_Wait(200);
3258 MM_WriteConfig32(pDevice, PCI_COMMAND_REG, pDevice->PciCommandStatusWords);
3259 MM_ReadConfig32(pDevice, PCI_COMMAND_REG, &Value32);
3260 j++;
3261 }
3262 MM_WriteConfig32(pDevice, T3_PCI_MISC_HOST_CTRL_REG, pDevice->MiscHostCtrl);
3263 /* Set power state to D0. */
3264 LM_SetPowerState(pDevice, LM_POWER_STATE_D0);
3265
3266 /* Intialize the queues. */
3267 QQ_InitQueue(&pDevice->RxPacketReceivedQ.Container,
3268 MAX_RX_PACKET_DESC_COUNT);
3269 QQ_InitQueue(&pDevice->RxPacketFreeQ.Container,
3270 MAX_RX_PACKET_DESC_COUNT);
3271
3272 QQ_InitQueue(&pDevice->TxPacketFreeQ.Container,MAX_TX_PACKET_DESC_COUNT);
3273 QQ_InitQueue(&pDevice->TxPacketXmittedQ.Container,MAX_TX_PACKET_DESC_COUNT);
3274
3275 if(T3_ASIC_IS_5705_BEYOND(pDevice->ChipRevId) )
3276 {
3277 pDevice->RcvRetRcbEntryCount = 512;
3278 pDevice->RcvRetRcbEntryCountMask = 511;
3279 }
3280 else
3281 {
3282 pDevice->RcvRetRcbEntryCount = T3_RCV_RETURN_RCB_ENTRY_COUNT;
3283 pDevice->RcvRetRcbEntryCountMask = T3_RCV_RETURN_RCB_ENTRY_COUNT_MASK;
3284 }
3285
3286 /* Allocate shared memory for: status block, the buffers for receive */
3287 /* rings -- standard, mini, jumbo, and return rings. */
3288 Size = T3_STATUS_BLOCK_SIZE + sizeof(T3_STATS_BLOCK) +
3289 T3_STD_RCV_RCB_ENTRY_COUNT * sizeof(T3_RCV_BD) +
3290 #if T3_JUMBO_RCV_RCB_ENTRY_COUNT
3291 T3_JUMBO_RCV_RCB_ENTRY_COUNT * sizeof(T3_RCV_BD) +
3292 #endif /* T3_JUMBO_RCV_RCB_ENTRY_COUNT */
3293 (pDevice->RcvRetRcbEntryCount * sizeof(T3_RCV_BD));
3294
3295 /* Memory for host based Send BD. */
3296 if (!(pDevice->Flags & NIC_SEND_BD_FLAG))
3297 {
3298 Size += sizeof(T3_SND_BD) * T3_SEND_RCB_ENTRY_COUNT;
3299 }
3300
3301 /* Allocate the memory block. */
3302 Status = MM_AllocateSharedMemory(pDevice, Size, (PLM_VOID) &pMemVirt, &MemPhy, FALSE);
3303 if(Status != LM_STATUS_SUCCESS)
3304 {
3305 return Status;
3306 }
3307
3308 DmaWrCmd = DMA_CTRL_WRITE_CMD;
3309 DmaRdCmd = DMA_CTRL_READ_CMD;
3310 DmaWrBdry = DMA_CTRL_WRITE_BOUNDARY_DISABLE;
3311 DmaRdBdry = DMA_CTRL_READ_BOUNDARY_DISABLE;
3312 #ifdef BCM_DISCONNECT_AT_CACHELINE
3313 /* This code is intended for PPC64 and other similar architectures */
3314 /* Only the following chips support this */
3315 if ((T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5700) ||
3316 (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5701) ||
3317 (pDevice->Flags & PCI_EXPRESS_FLAG))
3318 {
3319 switch(pDevice->CacheLineSize * 4)
3320 {
3321 case 16:
3322 case 32:
3323 case 64:
3324 case 128:
3325 if (!(pDevice->PciState & T3_PCI_STATE_NOT_PCI_X_BUS) &&
3326 !(pDevice->Flags & PCI_EXPRESS_FLAG))
3327 {
3328 /* PCI-X */
3329 /* use 384 which is a multiple of 16,32,64,128 */
3330 DmaWrBdry = DMA_CTRL_WRITE_BOUNDARY_384_PCIX;
3331 break;
3332 }
3333 else if (pDevice->Flags & PCI_EXPRESS_FLAG)
3334 {
3335 /* PCI Express */
3336 /* use 128 which is a multiple of 16,32,64,128 */
3337 DmaWrCmd = DMA_CTRL_WRITE_BOUNDARY_128_PCIE;
3338 break;
3339 }
3340 /* fall through */
3341 case 256:
3342 /* use 256 which is a multiple of 16,32,64,128,256 */
3343 if ((pDevice->PciState & T3_PCI_STATE_NOT_PCI_X_BUS) &&
3344 !(pDevice->Flags & PCI_EXPRESS_FLAG))
3345 {
3346 /* PCI */
3347 DmaWrBdry = DMA_CTRL_WRITE_BOUNDARY_256;
3348 }
3349 else if (!(pDevice->Flags & PCI_EXPRESS_FLAG))
3350 {
3351 /* PCI-X */
3352 DmaWrBdry = DMA_CTRL_WRITE_BOUNDARY_256_PCIX;
3353 }
3354 break;
3355 }
3356 }
3357 #endif
3358 pDevice->DmaReadWriteCtrl = DmaWrCmd | DmaRdCmd | DmaWrBdry | DmaRdBdry;
3359 /* Program DMA Read/Write */
3360 if (pDevice->Flags & PCI_EXPRESS_FLAG)
3361 {
3362
3363 /* !=0 is 256 max or greater payload size so set water mark accordingly*/
3364 Value32 = (REG_RD(pDevice, PciCfg.DeviceCtrl) & MAX_PAYLOAD_SIZE_MASK);
3365 if (Value32)
3366 {
3367 pDevice->DmaReadWriteCtrl |= DMA_CTRL_WRITE_PCIE_H20MARK_256;
3368 }else
3369 {
3370 pDevice->DmaReadWriteCtrl |= DMA_CTRL_WRITE_PCIE_H20MARK_128;
3371 }
3372
3373 }
3374 else if (pDevice->PciState & T3_PCI_STATE_NOT_PCI_X_BUS)
3375 {
3376 if(T3_ASIC_IS_5705_BEYOND(pDevice->ChipRevId))
3377 {
3378 pDevice->DmaReadWriteCtrl |= 0x003f0000;
3379 }
3380 else
3381 {
3382 pDevice->DmaReadWriteCtrl |= 0x003f000f;
3383 }
3384 }
3385 else /* pci-x */
3386 {
3387 if (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5704)
3388 {
3389 pDevice->DmaReadWriteCtrl |= 0x009f0000;
3390 }
3391
3392 if (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5703)
3393 {
3394 pDevice->DmaReadWriteCtrl |= 0x009C0000;
3395 }
3396
3397 if( T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5704 ||
3398 T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5703 )
3399 {
3400 Value32 = REG_RD(pDevice, PciCfg.ClockCtrl) & 0x1f;
3401 if ((Value32 == 0x6) || (Value32 == 0x7))
3402 {
3403 pDevice->Flags |= ONE_DMA_AT_ONCE_FLAG;
3404 }
3405 }
3406 else if(T3_ASIC_5714_FAMILY(pDevice->ChipRevId) )
3407 {
3408 pDevice->DmaReadWriteCtrl &= ~DMA_CTRL_WRITE_ONE_DMA_AT_ONCE;
3409 if( T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5780)
3410 pDevice->DmaReadWriteCtrl |= (BIT_20 | BIT_18 | DMA_CTRL_WRITE_ONE_DMA_AT_ONCE);
3411 else
3412 pDevice->DmaReadWriteCtrl |= (BIT_20 | BIT_18 | BIT_15);
3413 /* bit 15 is the current CQ 13140 Fix */
3414 }
3415 else
3416 {
3417 pDevice->DmaReadWriteCtrl |= 0x001b000f;
3418 }
3419 }
3420 if((T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5703) ||
3421 (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5704))
3422 {
3423 pDevice->DmaReadWriteCtrl &= 0xfffffff0;
3424 }
3425
3426 if (pDevice->Flags & ONE_DMA_AT_ONCE_FLAG)
3427 {
3428 pDevice->DmaReadWriteCtrl |= DMA_CTRL_WRITE_ONE_DMA_AT_ONCE;
3429 }
3430
3431 REG_WR(pDevice, PciCfg.DmaReadWriteCtrl, pDevice->DmaReadWriteCtrl);
3432
3433 LM_SwitchClocks(pDevice);
3434
3435 if (LM_DmaTest(pDevice, pMemVirt, MemPhy, 0x400) != LM_STATUS_SUCCESS)
3436 {
3437 return LM_STATUS_FAILURE;
3438 }
3439
3440 /* Status block. */
3441 pDevice->pStatusBlkVirt = (PT3_STATUS_BLOCK) pMemVirt;
3442 pDevice->StatusBlkPhy = MemPhy;
3443 pMemVirt += T3_STATUS_BLOCK_SIZE;
3444 LM_INC_PHYSICAL_ADDRESS(&MemPhy, T3_STATUS_BLOCK_SIZE);
3445
3446 /* Statistics block. */
3447 pDevice->pStatsBlkVirt = (PT3_STATS_BLOCK) pMemVirt;
3448 pDevice->StatsBlkPhy = MemPhy;
3449 pMemVirt += sizeof(T3_STATS_BLOCK);
3450 LM_INC_PHYSICAL_ADDRESS(&MemPhy, sizeof(T3_STATS_BLOCK));
3451
3452 /* Receive standard BD buffer. */
3453 pDevice->pRxStdBdVirt = (PT3_RCV_BD) pMemVirt;
3454 pDevice->RxStdBdPhy = MemPhy;
3455
3456 pMemVirt += T3_STD_RCV_RCB_ENTRY_COUNT * sizeof(T3_RCV_BD);
3457 LM_INC_PHYSICAL_ADDRESS(&MemPhy,
3458 T3_STD_RCV_RCB_ENTRY_COUNT * sizeof(T3_RCV_BD));
3459
3460 #if T3_JUMBO_RCV_RCB_ENTRY_COUNT
3461 /* Receive jumbo BD buffer. */
3462 pDevice->pRxJumboBdVirt = (PT3_RCV_BD) pMemVirt;
3463 pDevice->RxJumboBdPhy = MemPhy;
3464
3465 pMemVirt += T3_JUMBO_RCV_RCB_ENTRY_COUNT * sizeof(T3_RCV_BD);
3466 LM_INC_PHYSICAL_ADDRESS(&MemPhy,
3467 T3_JUMBO_RCV_RCB_ENTRY_COUNT * sizeof(T3_RCV_BD));
3468 #endif /* T3_JUMBO_RCV_RCB_ENTRY_COUNT */
3469
3470 /* Receive return BD buffer. */
3471 pDevice->pRcvRetBdVirt = (PT3_RCV_BD) pMemVirt;
3472 pDevice->RcvRetBdPhy = MemPhy;
3473
3474 pMemVirt += pDevice->RcvRetRcbEntryCount * sizeof(T3_RCV_BD);
3475 LM_INC_PHYSICAL_ADDRESS(&MemPhy,
3476 pDevice->RcvRetRcbEntryCount * sizeof(T3_RCV_BD));
3477
3478 /* Set up Send BD. */
3479 if (!(pDevice->Flags & NIC_SEND_BD_FLAG))
3480 {
3481 pDevice->pSendBdVirt = (PT3_SND_BD) pMemVirt;
3482 pDevice->SendBdPhy = MemPhy;
3483
3484 pMemVirt += sizeof(T3_SND_BD) * T3_SEND_RCB_ENTRY_COUNT;
3485 LM_INC_PHYSICAL_ADDRESS(&MemPhy,
3486 sizeof(T3_SND_BD) * T3_SEND_RCB_ENTRY_COUNT);
3487 }
3488 #ifdef BCM_NIC_SEND_BD
3489 else
3490 {
3491 pDevice->pSendBdVirt = (PT3_SND_BD)
3492 pDevice->pMemView->uIntMem.First32k.BufferDesc;
3493 pDevice->SendBdPhy.High = 0;
3494 pDevice->SendBdPhy.Low = T3_NIC_SND_BUFFER_DESC_ADDR;
3495 }
3496 #endif
3497
3498 /* Allocate memory for packet descriptors. */
3499 Size = (pDevice->RxPacketDescCnt +
3500 pDevice->TxPacketDescCnt) * MM_PACKET_DESC_SIZE;
3501 Status = MM_AllocateMemory(pDevice, Size, (PLM_VOID *) &pPacket);
3502 if(Status != LM_STATUS_SUCCESS)
3503 {
3504 return Status;
3505 }
3506 pDevice->pPacketDescBase = (PLM_VOID) pPacket;
3507
3508 /* Create transmit packet descriptors from the memory block and add them */
3509 /* to the TxPacketFreeQ for each send ring. */
3510 for(j = 0; j < pDevice->TxPacketDescCnt; j++)
3511 {
3512 /* Ring index. */
3513 pPacket->Flags = 0;
3514
3515 /* Queue the descriptor in the TxPacketFreeQ of the 'k' ring. */
3516 QQ_PushTail(&pDevice->TxPacketFreeQ.Container, pPacket);
3517
3518 /* Get the pointer to the next descriptor. MM_PACKET_DESC_SIZE */
3519 /* is the total size of the packet descriptor including the */
3520 /* os-specific extensions in the UM_PACKET structure. */
3521 pPacket = (PLM_PACKET) ((PLM_UINT8) pPacket + MM_PACKET_DESC_SIZE);
3522 } /* for(j.. */
3523
3524 /* Create receive packet descriptors from the memory block and add them */
3525 /* to the RxPacketFreeQ. Create the Standard packet descriptors. */
3526 for(j = 0; j < pDevice->RxStdDescCnt; j++)
3527 {
3528 /* Receive producer ring. */
3529 pPacket->u.Rx.RcvProdRing = T3_STD_RCV_PROD_RING;
3530
3531 /* Receive buffer size. */
3532 if (T3_ASIC_5714_FAMILY(pDevice->ChipRevId) &&
3533 (pDevice->RxJumboBufferSize) )
3534 {
3535 pPacket->u.Rx.RxBufferSize = pDevice->RxJumboBufferSize;
3536 }else{
3537 pPacket->u.Rx.RxBufferSize = MAX_STD_RCV_BUFFER_SIZE;
3538 }
3539
3540 /* Add the descriptor to RxPacketFreeQ. */
3541 QQ_PushTail(&pDevice->RxPacketFreeQ.Container, pPacket);
3542
3543 /* Get the pointer to the next descriptor. MM_PACKET_DESC_SIZE */
3544 /* is the total size of the packet descriptor including the */
3545 /* os-specific extensions in the UM_PACKET structure. */
3546 pPacket = (PLM_PACKET) ((PLM_UINT8) pPacket + MM_PACKET_DESC_SIZE);
3547 } /* for */
3548
3549
3550 #if T3_JUMBO_RCV_RCB_ENTRY_COUNT
3551 /* Create the Jumbo packet descriptors. */
3552 for(j = 0; j < pDevice->RxJumboDescCnt; j++)
3553 {
3554 /* Receive producer ring. */
3555 pPacket->u.Rx.RcvProdRing = T3_JUMBO_RCV_PROD_RING;
3556
3557 /* Receive buffer size. */
3558 pPacket->u.Rx.RxBufferSize = pDevice->RxJumboBufferSize;
3559
3560 /* Add the descriptor to RxPacketFreeQ. */
3561 QQ_PushTail(&pDevice->RxPacketFreeQ.Container, pPacket);
3562
3563 /* Get the pointer to the next descriptor. MM_PACKET_DESC_SIZE */
3564 /* is the total size of the packet descriptor including the */
3565 /* os-specific extensions in the UM_PACKET structure. */
3566 pPacket = (PLM_PACKET) ((PLM_UINT8) pPacket + MM_PACKET_DESC_SIZE);
3567 } /* for */
3568 #endif /* T3_JUMBO_RCV_RCB_ENTRY_COUNT */
3569
3570 /* Initialize the rest of the packet descriptors. */
3571 Status = MM_InitializeUmPackets(pDevice);
3572 if(Status != LM_STATUS_SUCCESS)
3573 {
3574 return Status;
3575 } /* if */
3576
3577 /* Default receive mask. */
3578 pDevice->ReceiveMask &= LM_KEEP_VLAN_TAG;
3579 pDevice->ReceiveMask |= LM_ACCEPT_MULTICAST | LM_ACCEPT_BROADCAST |
3580 LM_ACCEPT_UNICAST;
3581
3582 /* Make sure we are in the first 32k memory window or NicSendBd. */
3583 REG_WR(pDevice, PciCfg.MemWindowBaseAddr, 0);
3584
3585 /* Initialize the hardware. */
3586 Status = LM_ResetAdapter(pDevice);
3587 if(Status != LM_STATUS_SUCCESS)
3588 {
3589 return Status;
3590 }
3591
3592 /* We are done with initialization. */
3593 pDevice->InitDone = TRUE;
3594
3595 return LM_STATUS_SUCCESS;
3596 } /* LM_InitializeAdapter */
3597
3598
3599 LM_STATUS
3600 LM_DisableChip(PLM_DEVICE_BLOCK pDevice)
3601 {
3602 LM_UINT32 data;
3603
3604 pDevice->RxMode &= ~RX_MODE_ENABLE;
3605 REG_WR(pDevice, MacCtrl.RxMode, pDevice->RxMode);
3606 if(!(REG_RD(pDevice, MacCtrl.RxMode) & RX_MODE_ENABLE))
3607 {
3608 MM_Wait(20);
3609 }
3610 data = REG_RD(pDevice, RcvBdIn.Mode);
3611 data &= ~RCV_BD_IN_MODE_ENABLE;
3612 REG_WR(pDevice, RcvBdIn.Mode,data);
3613 if(!(REG_RD(pDevice, RcvBdIn.Mode) & RCV_BD_IN_MODE_ENABLE))
3614 {
3615 MM_Wait(20);
3616 }
3617 data = REG_RD(pDevice, RcvListPlmt.Mode);
3618 data &= ~RCV_LIST_PLMT_MODE_ENABLE;
3619 REG_WR(pDevice, RcvListPlmt.Mode,data);
3620 if(!(REG_RD(pDevice, RcvListPlmt.Mode) & RCV_LIST_PLMT_MODE_ENABLE))
3621 {
3622 MM_Wait(20);
3623 }
3624 if(!T3_ASIC_IS_5705_BEYOND(pDevice->ChipRevId))
3625 {
3626 data = REG_RD(pDevice, RcvListSel.Mode);
3627 data &= ~RCV_LIST_SEL_MODE_ENABLE;
3628 REG_WR(pDevice, RcvListSel.Mode,data);
3629 if(!(REG_RD(pDevice, RcvListSel.Mode) & RCV_LIST_SEL_MODE_ENABLE))
3630 {
3631 MM_Wait(20);
3632 }
3633 }
3634 data = REG_RD(pDevice, RcvDataBdIn.Mode);
3635 data &= ~RCV_DATA_BD_IN_MODE_ENABLE;
3636 REG_WR(pDevice, RcvDataBdIn.Mode,data);
3637 if(!(REG_RD(pDevice, RcvDataBdIn.Mode) & RCV_DATA_BD_IN_MODE_ENABLE))
3638 {
3639 MM_Wait(20);
3640 }
3641 data = REG_RD(pDevice, RcvDataComp.Mode);
3642 data &= ~RCV_DATA_COMP_MODE_ENABLE;
3643 REG_WR(pDevice, RcvDataComp.Mode,data);
3644 if(!(REG_RD(pDevice, RcvDataBdIn.Mode) & RCV_DATA_COMP_MODE_ENABLE))
3645 {
3646 MM_Wait(20);
3647 }
3648 data = REG_RD(pDevice, RcvBdComp.Mode);
3649 data &= ~RCV_BD_COMP_MODE_ENABLE;
3650 REG_WR(pDevice, RcvBdComp.Mode,data);
3651 if(!(REG_RD(pDevice, RcvBdComp.Mode) & RCV_BD_COMP_MODE_ENABLE))
3652 {
3653 MM_Wait(20);
3654 }
3655 data = REG_RD(pDevice, SndBdSel.Mode);
3656 data &= ~SND_BD_SEL_MODE_ENABLE;
3657 REG_WR(pDevice, SndBdSel.Mode, data);
3658 if(!(REG_RD(pDevice, SndBdSel.Mode) & SND_BD_SEL_MODE_ENABLE))
3659 {
3660 MM_Wait(20);
3661 }
3662 data = REG_RD(pDevice, SndBdIn.Mode);
3663 data &= ~SND_BD_IN_MODE_ENABLE;
3664 REG_WR(pDevice, SndBdIn.Mode, data);
3665 if(!(REG_RD(pDevice, SndBdIn.Mode) & SND_BD_IN_MODE_ENABLE))
3666 {
3667 MM_Wait(20);
3668 }
3669 data = REG_RD(pDevice, SndDataIn.Mode);
3670 data &= ~T3_SND_DATA_IN_MODE_ENABLE;
3671 REG_WR(pDevice, SndDataIn.Mode,data);
3672 if(!(REG_RD(pDevice, SndDataIn.Mode) & T3_SND_DATA_IN_MODE_ENABLE))
3673 {
3674 MM_Wait(20);
3675 }
3676 data = REG_RD(pDevice, DmaRead.Mode);
3677 data &= ~DMA_READ_MODE_ENABLE;
3678 REG_WR(pDevice, DmaRead.Mode, data);
3679 if(!(REG_RD(pDevice, DmaRead.Mode) & DMA_READ_MODE_ENABLE))
3680 {
3681 MM_Wait(20);
3682 }
3683 data = REG_RD(pDevice, SndDataComp.Mode);
3684 data &= ~SND_DATA_COMP_MODE_ENABLE;
3685 REG_WR(pDevice, SndDataComp.Mode, data);
3686 if(!(REG_RD(pDevice, SndDataComp.Mode) & SND_DATA_COMP_MODE_ENABLE))
3687 {
3688 MM_Wait(20);
3689 }
3690
3691 if(!T3_ASIC_IS_5705_BEYOND(pDevice->ChipRevId))
3692 {
3693 data = REG_RD(pDevice,DmaComp.Mode);
3694 data &= ~DMA_COMP_MODE_ENABLE;
3695 REG_WR(pDevice, DmaComp.Mode, data);
3696 if(!(REG_RD(pDevice, DmaComp.Mode) & DMA_COMP_MODE_ENABLE))
3697 {
3698 MM_Wait(20);
3699 }
3700 }
3701 data = REG_RD(pDevice, SndBdComp.Mode);
3702 data &= ~SND_BD_COMP_MODE_ENABLE;
3703 REG_WR(pDevice, SndBdComp.Mode, data);
3704 if(!(REG_RD(pDevice, SndBdComp.Mode) & SND_BD_COMP_MODE_ENABLE))
3705 {
3706 MM_Wait(20);
3707 }
3708 /* Clear TDE bit */
3709 pDevice->MacMode &= ~MAC_MODE_ENABLE_TDE;
3710 REG_WR(pDevice, MacCtrl.Mode, pDevice->MacMode);
3711 pDevice->TxMode &= ~TX_MODE_ENABLE;
3712 REG_WR(pDevice, MacCtrl.TxMode, pDevice->TxMode);
3713 if(!(REG_RD(pDevice, MacCtrl.TxMode) & TX_MODE_ENABLE))
3714 {
3715 MM_Wait(20);
3716 }
3717 data = REG_RD(pDevice, HostCoalesce.Mode);
3718 data &= ~HOST_COALESCE_ENABLE;
3719 REG_WR(pDevice, HostCoalesce.Mode, data);
3720 if(!(REG_RD(pDevice, SndBdIn.Mode) & HOST_COALESCE_ENABLE))
3721 {
3722 MM_Wait(20);
3723 }
3724 data = REG_RD(pDevice, DmaWrite.Mode);
3725 data &= ~DMA_WRITE_MODE_ENABLE;
3726 REG_WR(pDevice, DmaWrite.Mode,data);
3727 if(!(REG_RD(pDevice, DmaWrite.Mode) & DMA_WRITE_MODE_ENABLE))
3728 {
3729 MM_Wait(20);
3730 }
3731
3732 if(!T3_ASIC_IS_5705_BEYOND(pDevice->ChipRevId))
3733 {
3734 data = REG_RD(pDevice, MbufClusterFree.Mode);
3735 data &= ~MBUF_CLUSTER_FREE_MODE_ENABLE;
3736 REG_WR(pDevice, MbufClusterFree.Mode,data);
3737 if(!(REG_RD(pDevice, MbufClusterFree.Mode) & MBUF_CLUSTER_FREE_MODE_ENABLE))
3738 {
3739 MM_Wait(20);
3740 }
3741 }
3742 /* Reset all FTQs */
3743 REG_WR(pDevice, Ftq.Reset, 0xffffffff);
3744 REG_WR(pDevice, Ftq.Reset, 0x0);
3745
3746 if(!T3_ASIC_IS_5705_BEYOND(pDevice->ChipRevId))
3747 {
3748 data = REG_RD(pDevice, BufMgr.Mode);
3749 data &= ~BUFMGR_MODE_ENABLE;
3750 REG_WR(pDevice, BufMgr.Mode,data);
3751 if(!(REG_RD(pDevice, BufMgr.Mode) & BUFMGR_MODE_ENABLE))
3752 {
3753 MM_Wait(20);
3754 }
3755 data = REG_RD(pDevice, MemArbiter.Mode);
3756 data &= ~T3_MEM_ARBITER_MODE_ENABLE;
3757 REG_WR(pDevice, MemArbiter.Mode, data);
3758 if(!(REG_RD(pDevice, MemArbiter.Mode) & T3_MEM_ARBITER_MODE_ENABLE))
3759 {
3760 MM_Wait(20);
3761 }
3762 }
3763 return LM_STATUS_SUCCESS;
3764 }
3765
3766 LM_STATUS
3767 LM_DisableFW(PLM_DEVICE_BLOCK pDevice)
3768 {
3769 #ifdef BCM_ASF
3770 int j;
3771 LM_UINT32 Value32;
3772
3773 if (pDevice->AsfFlags & ASF_ENABLED)
3774 {
3775 MEM_WR_OFFSET(pDevice, T3_CMD_MAILBOX, T3_CMD_NICDRV_PAUSE_FW);
3776 Value32 = REG_RD(pDevice, Grc.RxCpuEvent);
3777 REG_WR(pDevice, Grc.RxCpuEvent, Value32 | BIT_14);
3778 for (j = 0; j < 100; j++)
3779 {
3780 Value32 = REG_RD(pDevice, Grc.RxCpuEvent);
3781 if (!(Value32 & BIT_14))
3782 {
3783 break;
3784 }
3785 MM_Wait(1);
3786 }
3787 }
3788 #endif
3789 return LM_STATUS_SUCCESS;
3790 }
3791
3792 /******************************************************************************/
3793 /* Description: */
3794 /* This function reinitializes the adapter. */
3795 /* */
3796 /* Return: */
3797 /* LM_STATUS_SUCCESS */
3798 /******************************************************************************/
3799 LM_STATUS
3800 LM_ResetAdapter(
3801 PLM_DEVICE_BLOCK pDevice)
3802 {
3803 LM_UINT32 Value32;
3804 LM_UINT32 j, k;
3805 int reset_count = 0;
3806
3807 /* Disable interrupt. */
3808 LM_DisableInterrupt(pDevice);
3809
3810 restart_reset:
3811 LM_DisableFW(pDevice);
3812
3813 /* May get a spurious interrupt */
3814 pDevice->pStatusBlkVirt->Status = STATUS_BLOCK_UPDATED;
3815
3816 LM_WritePreResetSignatures(pDevice, LM_INIT_RESET);
3817 /* Disable transmit and receive DMA engines. Abort all pending requests. */
3818 if(pDevice->InitDone)
3819 {
3820 LM_Abort(pDevice);
3821 }
3822
3823 pDevice->ShuttingDown = FALSE;
3824
3825 LM_ResetChip(pDevice);
3826
3827 LM_WriteLegacySignatures(pDevice, LM_INIT_RESET);
3828
3829 /* Bug: Athlon fix for B3 silicon only. This bit does not do anything */
3830 /* in other chip revisions except 5750 */
3831 if ((pDevice->Flags & DELAY_PCI_GRANT_FLAG) &&
3832 !(pDevice->Flags & PCI_EXPRESS_FLAG))
3833 {
3834 REG_WR(pDevice, PciCfg.ClockCtrl, pDevice->ClockCtrl | BIT_31);
3835 }
3836
3837 if(pDevice->ChipRevId == T3_CHIP_ID_5704_A0)
3838 {
3839 if (!(pDevice->PciState & T3_PCI_STATE_CONVENTIONAL_PCI_MODE))
3840 {
3841 Value32 = REG_RD(pDevice, PciCfg.PciState);
3842 Value32 |= T3_PCI_STATE_RETRY_SAME_DMA;
3843 REG_WR(pDevice, PciCfg.PciState, Value32);
3844 }
3845 }
3846 if (T3_CHIP_REV(pDevice->ChipRevId) == T3_CHIP_REV_5704_BX)
3847 {
3848 /* New bits defined in register 0x64 to enable some h/w fixes */
3849 /* These new bits are 'write-only' */
3850 Value32 = REG_RD(pDevice, PciCfg.MsiData);
3851 REG_WR(pDevice, PciCfg.MsiData, Value32 | BIT_26 | BIT_28 | BIT_29);
3852 }
3853
3854 /* Enable TaggedStatus mode. */
3855 if (pDevice->Flags & USE_TAGGED_STATUS_FLAG)
3856 {
3857 pDevice->MiscHostCtrl |= MISC_HOST_CTRL_ENABLE_TAGGED_STATUS_MODE;
3858 }
3859
3860 /* Restore PCI configuration registers. */
3861 MM_WriteConfig32(pDevice, PCI_CACHE_LINE_SIZE_REG,
3862 pDevice->SavedCacheLineReg);
3863 MM_WriteConfig32(pDevice, PCI_SUBSYSTEM_VENDOR_ID_REG,
3864 (pDevice->SubsystemId << 16) | pDevice->SubsystemVendorId);
3865
3866 /* Initialize the statistis Block */
3867 pDevice->pStatusBlkVirt->Status = 0;
3868 pDevice->pStatusBlkVirt->RcvStdConIdx = 0;
3869 pDevice->pStatusBlkVirt->RcvJumboConIdx = 0;
3870 pDevice->pStatusBlkVirt->RcvMiniConIdx = 0;
3871
3872 for(j = 0; j < 16; j++)
3873 {
3874 pDevice->pStatusBlkVirt->Idx[j].RcvProdIdx = 0;
3875 pDevice->pStatusBlkVirt->Idx[j].SendConIdx = 0;
3876 }
3877
3878 for(k = 0; k < T3_STD_RCV_RCB_ENTRY_COUNT ;k++)
3879 {
3880 pDevice->pRxStdBdVirt[k].HostAddr.High = 0;
3881 pDevice->pRxStdBdVirt[k].HostAddr.Low = 0;
3882 pDevice->pRxStdBdVirt[k].Flags = RCV_BD_FLAG_END;
3883 if(T3_ASIC_5714_FAMILY(pDevice->ChipRevId) &&
3884 (pDevice->RxJumboBufferSize) )
3885 pDevice->pRxStdBdVirt[k].Len = pDevice->RxJumboBufferSize;
3886 else
3887 pDevice->pRxStdBdVirt[k].Len = MAX_STD_RCV_BUFFER_SIZE;
3888 }
3889
3890 #if T3_JUMBO_RCV_RCB_ENTRY_COUNT
3891 /* Receive jumbo BD buffer. */
3892 for(k = 0; k < T3_JUMBO_RCV_RCB_ENTRY_COUNT; k++)
3893 {
3894 pDevice->pRxJumboBdVirt[k].HostAddr.High = 0;
3895 pDevice->pRxJumboBdVirt[k].HostAddr.Low = 0;
3896 pDevice->pRxJumboBdVirt[k].Flags = RCV_BD_FLAG_END |
3897 RCV_BD_FLAG_JUMBO_RING;
3898 pDevice->pRxJumboBdVirt[k].Len = (LM_UINT16) pDevice->RxJumboBufferSize;
3899 }
3900 #endif
3901
3902 REG_WR(pDevice, PciCfg.DmaReadWriteCtrl, pDevice->DmaReadWriteCtrl);
3903
3904 /* GRC mode control register. */
3905 Value32 =
3906 #ifdef BIG_ENDIAN_HOST
3907 GRC_MODE_BYTE_SWAP_NON_FRAME_DATA |
3908 GRC_MODE_WORD_SWAP_NON_FRAME_DATA |
3909 GRC_MODE_BYTE_SWAP_DATA |
3910 GRC_MODE_WORD_SWAP_DATA |
3911 #else
3912 GRC_MODE_WORD_SWAP_NON_FRAME_DATA |
3913 GRC_MODE_BYTE_SWAP_DATA |
3914 GRC_MODE_WORD_SWAP_DATA |
3915 #endif
3916 GRC_MODE_INT_ON_MAC_ATTN |
3917 GRC_MODE_HOST_STACK_UP;
3918
3919 /* Configure send BD mode. */
3920 if (!(pDevice->Flags & NIC_SEND_BD_FLAG))
3921 {
3922 Value32 |= GRC_MODE_HOST_SEND_BDS;
3923 }
3924 #ifdef BCM_NIC_SEND_BD
3925 else
3926 {
3927 Value32 |= GRC_MODE_4X_NIC_BASED_SEND_RINGS;
3928 }
3929 #endif
3930
3931 /* Configure pseudo checksum mode. */
3932 if (pDevice->Flags & NO_TX_PSEUDO_HDR_CSUM_FLAG)
3933 {
3934 Value32 |= GRC_MODE_TX_NO_PSEUDO_HEADER_CHKSUM;
3935 }
3936
3937 if (pDevice->Flags & NO_RX_PSEUDO_HDR_CSUM_FLAG)
3938 {
3939 Value32 |= GRC_MODE_RX_NO_PSEUDO_HEADER_CHKSUM;
3940 }
3941
3942 pDevice->GrcMode = Value32;
3943 REG_WR(pDevice, Grc.Mode, Value32);
3944
3945 /* Setup the timer prescalar register. */
3946 Value32 = REG_RD(pDevice, Grc.MiscCfg) & ~0xff;
3947 /* Clock is always 66Mhz. */
3948 REG_WR(pDevice, Grc.MiscCfg, Value32 | (65 << 1));
3949
3950 /* Set up the MBUF pool base address and size. */
3951 if(T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5705)
3952 {
3953 #ifdef INCLUDE_TCP_SEG_SUPPORT
3954 if (pDevice->TaskToOffload & LM_TASK_OFFLOAD_TCP_SEGMENTATION)
3955 {
3956 Value32 = LM_GetStkOffLdFirmwareSize(pDevice);
3957 Value32 = (Value32 + 0x7f) & ~0x7f;
3958 pDevice->MbufBase = T3_NIC_BCM5705_MBUF_POOL_ADDR + Value32;
3959 pDevice->MbufSize = T3_NIC_BCM5705_MBUF_POOL_SIZE - Value32 - 0xa00;
3960 REG_WR(pDevice, BufMgr.MbufPoolAddr, pDevice->MbufBase);
3961 REG_WR(pDevice, BufMgr.MbufPoolSize, pDevice->MbufSize);
3962 }
3963 #endif
3964 }
3965 else if (!T3_ASIC_IS_575X_PLUS(pDevice->ChipRevId))
3966 {
3967 REG_WR(pDevice, BufMgr.MbufPoolAddr, pDevice->MbufBase);
3968 REG_WR(pDevice, BufMgr.MbufPoolSize, pDevice->MbufSize);
3969
3970 /* Set up the DMA descriptor pool base address and size. */
3971 REG_WR(pDevice, BufMgr.DmaDescPoolAddr, T3_NIC_DMA_DESC_POOL_ADDR);
3972 REG_WR(pDevice, BufMgr.DmaDescPoolSize, T3_NIC_DMA_DESC_POOL_SIZE);
3973
3974 }
3975
3976 /* Configure MBUF and Threshold watermarks */
3977 /* Configure the DMA read MBUF low water mark. */
3978 if(pDevice->TxMtu < MAX_ETHERNET_PACKET_BUFFER_SIZE)
3979 {
3980 if(T3_ASIC_IS_5705_BEYOND(pDevice->ChipRevId))
3981 {
3982 REG_WR(pDevice, BufMgr.MbufReadDmaLowWaterMark,
3983 T3_DEF_DMA_MBUF_LOW_WMARK_5705);
3984 REG_WR(pDevice, BufMgr.MbufMacRxLowWaterMark,
3985 T3_DEF_RX_MAC_MBUF_LOW_WMARK_5705);
3986 REG_WR(pDevice, BufMgr.MbufHighWaterMark,
3987 T3_DEF_MBUF_HIGH_WMARK_5705);
3988 }
3989 else
3990 {
3991 REG_WR(pDevice, BufMgr.MbufReadDmaLowWaterMark,
3992 T3_DEF_DMA_MBUF_LOW_WMARK);
3993 REG_WR(pDevice, BufMgr.MbufMacRxLowWaterMark,
3994 T3_DEF_RX_MAC_MBUF_LOW_WMARK);
3995 REG_WR(pDevice, BufMgr.MbufHighWaterMark,
3996 T3_DEF_MBUF_HIGH_WMARK);
3997 }
3998 }else if( T3_ASIC_5714_FAMILY(pDevice->ChipRevId)){
3999
4000 REG_WR(pDevice, BufMgr.MbufReadDmaLowWaterMark,0);
4001 REG_WR(pDevice, BufMgr.MbufMacRxLowWaterMark,0x4b);
4002 REG_WR(pDevice, BufMgr.MbufHighWaterMark,0x96);
4003 }
4004 else
4005 {
4006 REG_WR(pDevice, BufMgr.MbufReadDmaLowWaterMark,
4007 T3_DEF_DMA_MBUF_LOW_WMARK_JUMBO);
4008 REG_WR(pDevice, BufMgr.MbufMacRxLowWaterMark,
4009 T3_DEF_RX_MAC_MBUF_LOW_WMARK_JUMBO);
4010 REG_WR(pDevice, BufMgr.MbufHighWaterMark,
4011 T3_DEF_MBUF_HIGH_WMARK_JUMBO);
4012 }
4013
4014 REG_WR(pDevice, BufMgr.DmaLowWaterMark, T3_DEF_DMA_DESC_LOW_WMARK);
4015 REG_WR(pDevice, BufMgr.DmaHighWaterMark, T3_DEF_DMA_DESC_HIGH_WMARK);
4016
4017 /* Enable buffer manager. */
4018 REG_WR(pDevice, BufMgr.Mode, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
4019
4020 for(j = 0 ;j < 2000; j++)
4021 {
4022 if(REG_RD(pDevice, BufMgr.Mode) & BUFMGR_MODE_ENABLE)
4023 break;
4024 MM_Wait(10);
4025 }
4026
4027 if(j >= 2000)
4028 {
4029 return LM_STATUS_FAILURE;
4030 }
4031
4032 /* GRC reset will reset FTQ */
4033
4034 /* Receive BD Ring replenish threshold. */
4035 REG_WR(pDevice, RcvBdIn.StdRcvThreshold, pDevice->RxStdDescCnt/8);
4036
4037 /* Initialize the Standard Receive RCB. */
4038 REG_WR(pDevice, RcvDataBdIn.StdRcvRcb.HostRingAddr.High,
4039 pDevice->RxStdBdPhy.High);
4040 REG_WR(pDevice, RcvDataBdIn.StdRcvRcb.HostRingAddr.Low,
4041 pDevice->RxStdBdPhy.Low);
4042 REG_WR(pDevice, RcvDataBdIn.StdRcvRcb.NicRingAddr,
4043 (LM_UINT32) T3_NIC_STD_RCV_BUFFER_DESC_ADDR);
4044
4045 if(T3_ASIC_IS_5705_BEYOND(pDevice->ChipRevId))
4046 {
4047 REG_WR(pDevice, RcvDataBdIn.StdRcvRcb.u.MaxLen_Flags,
4048 512 << 16);
4049 }
4050 else
4051 {
4052 REG_WR(pDevice, RcvDataBdIn.StdRcvRcb.u.MaxLen_Flags,
4053 MAX_STD_RCV_BUFFER_SIZE << 16);
4054
4055 /* Initialize the Jumbo Receive RCB. */
4056 REG_WR(pDevice, RcvDataBdIn.JumboRcvRcb.u.MaxLen_Flags,
4057 T3_RCB_FLAG_RING_DISABLED);
4058 #if T3_JUMBO_RCV_RCB_ENTRY_COUNT
4059 REG_WR(pDevice, RcvDataBdIn.JumboRcvRcb.HostRingAddr.High,
4060 pDevice->RxJumboBdPhy.High);
4061 REG_WR(pDevice, RcvDataBdIn.JumboRcvRcb.HostRingAddr.Low,
4062 pDevice->RxJumboBdPhy.Low);
4063 REG_WR(pDevice, RcvDataBdIn.JumboRcvRcb.u.MaxLen_Flags, 0);
4064 REG_WR(pDevice, RcvDataBdIn.JumboRcvRcb.NicRingAddr,
4065 (LM_UINT32) T3_NIC_JUMBO_RCV_BUFFER_DESC_ADDR);
4066
4067 REG_WR(pDevice, RcvBdIn.JumboRcvThreshold, pDevice->RxJumboDescCnt/8);
4068
4069 #endif /* T3_JUMBO_RCV_RCB_ENTRY_COUNT */
4070
4071 /* Initialize the Mini Receive RCB. */
4072 REG_WR(pDevice, RcvDataBdIn.MiniRcvRcb.u.MaxLen_Flags,
4073 T3_RCB_FLAG_RING_DISABLED);
4074
4075 /* Disable all the unused rings. */
4076 for(j = 0; j < T3_MAX_SEND_RCB_COUNT; j++) {
4077 MEM_WR(pDevice, SendRcb[j].u.MaxLen_Flags,
4078 T3_RCB_FLAG_RING_DISABLED);
4079 } /* for */
4080
4081 }
4082
4083 /* Initialize the indices. */
4084 pDevice->SendProdIdx = 0;
4085 pDevice->SendConIdx = 0;
4086
4087 MB_REG_WR(pDevice, Mailbox.SendHostProdIdx[0].Low, 0);
4088 MB_REG_RD(pDevice, Mailbox.SendHostProdIdx[0].Low);
4089 MB_REG_WR(pDevice, Mailbox.SendNicProdIdx[0].Low, 0);
4090 MB_REG_RD(pDevice, Mailbox.SendNicProdIdx[0].Low);
4091
4092 /* Set up host or NIC based send RCB. */
4093 if (!(pDevice->Flags & NIC_SEND_BD_FLAG))
4094 {
4095 MEM_WR(pDevice, SendRcb[0].HostRingAddr.High,
4096 pDevice->SendBdPhy.High);
4097 MEM_WR(pDevice, SendRcb[0].HostRingAddr.Low,
4098 pDevice->SendBdPhy.Low);
4099
4100 /* Setup the RCB. */
4101 MEM_WR(pDevice, SendRcb[0].u.MaxLen_Flags,
4102 T3_SEND_RCB_ENTRY_COUNT << 16);
4103
4104 if(!T3_ASIC_IS_5705_BEYOND(pDevice->ChipRevId))
4105 {
4106 /* Set up the NIC ring address in the RCB. */
4107 MEM_WR(pDevice, SendRcb[0].NicRingAddr,T3_NIC_SND_BUFFER_DESC_ADDR);
4108 }
4109 for(k = 0; k < T3_SEND_RCB_ENTRY_COUNT; k++)
4110 {
4111 pDevice->pSendBdVirt[k].HostAddr.High = 0;
4112 pDevice->pSendBdVirt[k].HostAddr.Low = 0;
4113 }
4114 }
4115 #ifdef BCM_NIC_SEND_BD
4116 else
4117 {
4118 MEM_WR(pDevice, SendRcb[0].HostRingAddr.High, 0);
4119 MEM_WR(pDevice, SendRcb[0].HostRingAddr.Low, 0);
4120 MEM_WR(pDevice, SendRcb[0].NicRingAddr,
4121 pDevice->SendBdPhy.Low);
4122
4123 for(k = 0; k < T3_SEND_RCB_ENTRY_COUNT; k++)
4124 {
4125 MM_MEMWRITEL(&(pDevice->pSendBdVirt[k].HostAddr.High), 0);
4126 MM_MEMWRITEL(&(pDevice->pSendBdVirt[k].HostAddr.Low), 0);
4127 MM_MEMWRITEL(&(pDevice->pSendBdVirt[k].u1.Len_Flags), 0);
4128 pDevice->ShadowSendBd[k].HostAddr.High = 0;
4129 pDevice->ShadowSendBd[k].u1.Len_Flags = 0;
4130 }
4131 }
4132 #endif
4133 MM_ATOMIC_SET(&pDevice->SendBdLeft, T3_SEND_RCB_ENTRY_COUNT-1);
4134
4135 /* Configure the receive return rings. */
4136 for(j = 0; j < T3_MAX_RCV_RETURN_RCB_COUNT; j++)
4137 {
4138 MEM_WR(pDevice, RcvRetRcb[j].u.MaxLen_Flags, T3_RCB_FLAG_RING_DISABLED);
4139 }
4140
4141 pDevice->RcvRetConIdx = 0;
4142
4143 MEM_WR(pDevice, RcvRetRcb[0].HostRingAddr.High,
4144 pDevice->RcvRetBdPhy.High);
4145 MEM_WR(pDevice, RcvRetRcb[0].HostRingAddr.Low,
4146 pDevice->RcvRetBdPhy.Low);
4147
4148 MEM_WR(pDevice, RcvRetRcb[0].NicRingAddr, 0);
4149
4150 /* Setup the RCB. */
4151 MEM_WR(pDevice, RcvRetRcb[0].u.MaxLen_Flags,
4152 pDevice->RcvRetRcbEntryCount << 16);
4153
4154 /* Reinitialize RX ring producer index */
4155 MB_REG_WR(pDevice, Mailbox.RcvStdProdIdx.Low, 0);
4156 MB_REG_RD(pDevice, Mailbox.RcvStdProdIdx.Low);
4157 MB_REG_WR(pDevice, Mailbox.RcvJumboProdIdx.Low, 0);
4158 MB_REG_RD(pDevice, Mailbox.RcvJumboProdIdx.Low);
4159 MB_REG_WR(pDevice, Mailbox.RcvMiniProdIdx.Low, 0);
4160 MB_REG_RD(pDevice, Mailbox.RcvMiniProdIdx.Low);
4161
4162 #if T3_JUMBO_RCV_RCB_ENTRY_COUNT
4163 pDevice->RxJumboProdIdx = 0;
4164 pDevice->RxJumboQueuedCnt = 0;
4165 #endif
4166
4167 /* Reinitialize our copy of the indices. */
4168 pDevice->RxStdProdIdx = 0;
4169 pDevice->RxStdQueuedCnt = 0;
4170
4171 #if T3_JUMBO_RCV_ENTRY_COUNT
4172 pDevice->RxJumboProdIdx = 0;
4173 #endif /* T3_JUMBO_RCV_ENTRY_COUNT */
4174
4175 /* Configure the MAC address. */
4176 LM_SetMacAddress(pDevice, pDevice->NodeAddress);
4177
4178 /* Initialize the transmit random backoff seed. */
4179 Value32 = (pDevice->NodeAddress[0] + pDevice->NodeAddress[1] +
4180 pDevice->NodeAddress[2] + pDevice->NodeAddress[3] +
4181 pDevice->NodeAddress[4] + pDevice->NodeAddress[5]) &
4182 MAC_TX_BACKOFF_SEED_MASK;
4183 REG_WR(pDevice, MacCtrl.TxBackoffSeed, Value32);
4184
4185 /* Receive MTU. Frames larger than the MTU is marked as oversized. */
4186 REG_WR(pDevice, MacCtrl.MtuSize, pDevice->RxMtu + 8); /* CRC + VLAN. */
4187
4188 /* Configure Time slot/IPG per 802.3 */
4189 REG_WR(pDevice, MacCtrl.TxLengths, 0x2620);
4190
4191 /*
4192 * Configure Receive Rules so that packets don't match
4193 * Programmble rule will be queued to Return Ring 1
4194 */
4195 REG_WR(pDevice, MacCtrl.RcvRuleCfg, RX_RULE_DEFAULT_CLASS);
4196
4197 /*
4198 * Configure to have 16 Classes of Services (COS) and one
4199 * queue per class. Bad frames are queued to RRR#1.
4200 * And frames don't match rules are also queued to COS#1.
4201 */
4202 REG_WR(pDevice, RcvListPlmt.Config, 0x181);
4203
4204 /* Enable Receive Placement Statistics */
4205 if ((pDevice->DmaReadFifoSize == DMA_READ_MODE_FIFO_LONG_BURST) &&
4206 (pDevice->TaskToOffload & LM_TASK_OFFLOAD_TCP_SEGMENTATION))
4207 {
4208 Value32 = REG_RD(pDevice, RcvListPlmt.StatsEnableMask);
4209 Value32 &= ~T3_DISABLE_LONG_BURST_READ_DYN_FIX;
4210 REG_WR(pDevice, RcvListPlmt.StatsEnableMask, Value32);
4211 }
4212 else
4213 {
4214 REG_WR(pDevice, RcvListPlmt.StatsEnableMask,0xffffff);
4215 }
4216 REG_WR(pDevice, RcvListPlmt.StatsCtrl, RCV_LIST_STATS_ENABLE);
4217
4218 /* Enable Send Data Initator Statistics */
4219 REG_WR(pDevice, SndDataIn.StatsEnableMask,0xffffff);
4220 REG_WR(pDevice, SndDataIn.StatsCtrl,
4221 T3_SND_DATA_IN_STATS_CTRL_ENABLE | \
4222 T3_SND_DATA_IN_STATS_CTRL_FASTER_UPDATE);
4223
4224 /* Disable the host coalescing state machine before configuring it's */
4225 /* parameters. */
4226 REG_WR(pDevice, HostCoalesce.Mode, 0);
4227 for(j = 0; j < 2000; j++)
4228 {
4229 Value32 = REG_RD(pDevice, HostCoalesce.Mode);
4230 if(!(Value32 & HOST_COALESCE_ENABLE))
4231 {
4232 break;
4233 }
4234 MM_Wait(10);
4235 }
4236
4237 /* Host coalescing configurations. */
4238 REG_WR(pDevice, HostCoalesce.RxCoalescingTicks, pDevice->RxCoalescingTicks);
4239 REG_WR(pDevice, HostCoalesce.TxCoalescingTicks, pDevice->TxCoalescingTicks);
4240 REG_WR(pDevice, HostCoalesce.RxMaxCoalescedFrames,
4241 pDevice->RxMaxCoalescedFrames);
4242 REG_WR(pDevice, HostCoalesce.TxMaxCoalescedFrames,
4243 pDevice->TxMaxCoalescedFrames);
4244
4245 if(!T3_ASIC_IS_5705_BEYOND(pDevice->ChipRevId))
4246 {
4247 REG_WR(pDevice, HostCoalesce.RxCoalescedTickDuringInt,
4248 pDevice->RxCoalescingTicksDuringInt);
4249 REG_WR(pDevice, HostCoalesce.TxCoalescedTickDuringInt,
4250 pDevice->TxCoalescingTicksDuringInt);
4251 }
4252 REG_WR(pDevice, HostCoalesce.RxMaxCoalescedFramesDuringInt,
4253 pDevice->RxMaxCoalescedFramesDuringInt);
4254 REG_WR(pDevice, HostCoalesce.TxMaxCoalescedFramesDuringInt,
4255 pDevice->TxMaxCoalescedFramesDuringInt);
4256
4257 /* Initialize the address of the status block. The NIC will DMA */
4258 /* the status block to this memory which resides on the host. */
4259 REG_WR(pDevice, HostCoalesce.StatusBlkHostAddr.High,
4260 pDevice->StatusBlkPhy.High);
4261 REG_WR(pDevice, HostCoalesce.StatusBlkHostAddr.Low,
4262 pDevice->StatusBlkPhy.Low);
4263
4264 /* Initialize the address of the statistics block. The NIC will DMA */
4265 /* the statistics to this block of memory. */
4266 if(!T3_ASIC_IS_5705_BEYOND(pDevice->ChipRevId))
4267 {
4268 REG_WR(pDevice, HostCoalesce.StatsBlkHostAddr.High,
4269 pDevice->StatsBlkPhy.High);
4270 REG_WR(pDevice, HostCoalesce.StatsBlkHostAddr.Low,
4271 pDevice->StatsBlkPhy.Low);
4272
4273 REG_WR(pDevice, HostCoalesce.StatsCoalescingTicks,
4274 pDevice->StatsCoalescingTicks);
4275
4276 REG_WR(pDevice, HostCoalesce.StatsBlkNicAddr, 0x300);
4277 REG_WR(pDevice, HostCoalesce.StatusBlkNicAddr,0xb00);
4278 }
4279
4280 /* Enable Host Coalesing state machine */
4281 REG_WR(pDevice, HostCoalesce.Mode, HOST_COALESCE_ENABLE |
4282 pDevice->CoalesceMode);
4283
4284 /* Enable the Receive BD Completion state machine. */
4285 REG_WR(pDevice, RcvBdComp.Mode, RCV_BD_COMP_MODE_ENABLE |
4286 RCV_BD_COMP_MODE_ATTN_ENABLE);
4287
4288 /* Enable the Receive List Placement state machine. */
4289 REG_WR(pDevice, RcvListPlmt.Mode, RCV_LIST_PLMT_MODE_ENABLE);
4290
4291 if(!T3_ASIC_IS_5705_BEYOND(pDevice->ChipRevId))
4292 {
4293 /* Enable the Receive List Selector state machine. */
4294 REG_WR(pDevice, RcvListSel.Mode, RCV_LIST_SEL_MODE_ENABLE |
4295 RCV_LIST_SEL_MODE_ATTN_ENABLE);
4296 }
4297
4298 /* Reset the Rx MAC State Machine.
4299 *
4300 * The Rx MAC State Machine must be reset when using fiber to prevent the
4301 * first packet being lost. This is needed primarily so that the loopback
4302 * test (which currently only sends one packet) doesn't fail.
4303 *
4304 * Also note that the Rx MAC State Machine (0x468) should be reset _before_
4305 * writting to the MAC Mode register (0x400). Failures have been seen on
4306 * 5780/5714's using fiber where they stopped receiving packets in a simple
4307 * ping test when the Rx MAC State Machine was reset _after_ the MAC Mode
4308 * register was set.
4309 */
4310
4311 if ((pDevice->TbiFlags & ENABLE_TBI_FLAG) ||
4312 (pDevice->PhyFlags & PHY_IS_FIBER))
4313 {
4314 REG_WR(pDevice, MacCtrl.RxMode, RX_MODE_RESET);
4315 REG_RD_BACK(pDevice, MacCtrl.RxMode);
4316 MM_Wait(10);
4317 REG_WR(pDevice, MacCtrl.RxMode, pDevice->RxMode);
4318 REG_RD_BACK(pDevice, MacCtrl.RxMode);
4319 }
4320
4321 /* Clear the statistics block. */
4322 for(j = 0x0300; j < 0x0b00; j = j + 4)
4323 {
4324 MEM_WR_OFFSET(pDevice, j, 0);
4325 }
4326
4327 /* Set Mac Mode */
4328 if (pDevice->TbiFlags & ENABLE_TBI_FLAG)
4329 {
4330 pDevice->MacMode = MAC_MODE_PORT_MODE_TBI;
4331 }
4332 else if(pDevice->PhyFlags & PHY_IS_FIBER)
4333 {
4334 pDevice->MacMode = MAC_MODE_PORT_MODE_GMII;
4335 }
4336 else
4337 {
4338 pDevice->MacMode = 0;
4339 }
4340
4341 /* Enable transmit DMA, clear statistics. */
4342 pDevice->MacMode |= MAC_MODE_ENABLE_TX_STATISTICS |
4343 MAC_MODE_ENABLE_RX_STATISTICS | MAC_MODE_ENABLE_TDE |
4344 MAC_MODE_ENABLE_RDE | MAC_MODE_ENABLE_FHDE;
4345 REG_WR(pDevice, MacCtrl.Mode, pDevice->MacMode |
4346 MAC_MODE_CLEAR_RX_STATISTICS | MAC_MODE_CLEAR_TX_STATISTICS);
4347
4348 /* GRC miscellaneous local control register. */
4349 pDevice->GrcLocalCtrl = GRC_MISC_LOCAL_CTRL_INT_ON_ATTN |
4350 GRC_MISC_LOCAL_CTRL_AUTO_SEEPROM;
4351
4352 if(T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5700)
4353 {
4354 pDevice->GrcLocalCtrl |= GRC_MISC_LOCAL_CTRL_GPIO_OE1 |
4355 GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT1;
4356 }
4357 else if ((T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5704) &&
4358 !(pDevice->Flags & EEPROM_WP_FLAG))
4359 {
4360 /* Make sure we're on Vmain */
4361 /* The other port may cause us to be on Vaux */
4362 pDevice->GrcLocalCtrl |= GRC_MISC_LOCAL_CTRL_GPIO_OE2 |
4363 GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT2;
4364 }
4365
4366 RAW_REG_WR(pDevice, Grc.LocalCtrl, pDevice->GrcLocalCtrl);
4367 MM_Wait(40);
4368
4369 /* Reset RX counters. */
4370 for(j = 0; j < sizeof(LM_RX_COUNTERS); j++)
4371 {
4372 ((PLM_UINT8) &pDevice->RxCounters)[j] = 0;
4373 }
4374
4375 /* Reset TX counters. */
4376 for(j = 0; j < sizeof(LM_TX_COUNTERS); j++)
4377 {
4378 ((PLM_UINT8) &pDevice->TxCounters)[j] = 0;
4379 }
4380
4381 MB_REG_WR(pDevice, Mailbox.Interrupt[0].Low, 0);
4382 MB_REG_RD(pDevice, Mailbox.Interrupt[0].Low);
4383 pDevice->LastTag = 0;
4384
4385 if(!T3_ASIC_IS_5705_BEYOND(pDevice->ChipRevId))
4386 {
4387 /* Enable the DMA Completion state machine. */
4388 REG_WR(pDevice, DmaComp.Mode, DMA_COMP_MODE_ENABLE);
4389 }
4390
4391 /* Enable the DMA Write state machine. */
4392 Value32 = DMA_WRITE_MODE_ENABLE |
4393 DMA_WRITE_MODE_TARGET_ABORT_ATTN_ENABLE |
4394 DMA_WRITE_MODE_MASTER_ABORT_ATTN_ENABLE |
4395 DMA_WRITE_MODE_PARITY_ERROR_ATTN_ENABLE |
4396 DMA_WRITE_MODE_ADDR_OVERFLOW_ATTN_ENABLE |
4397 DMA_WRITE_MODE_FIFO_OVERRUN_ATTN_ENABLE |
4398 DMA_WRITE_MODE_FIFO_UNDERRUN_ATTN_ENABLE |
4399 DMA_WRITE_MODE_FIFO_OVERREAD_ATTN_ENABLE |
4400 DMA_WRITE_MODE_LONG_READ_ATTN_ENABLE;
4401
4402 if (pDevice->Flags & DMA_WR_MODE_RX_ACCELERATE_FLAG)
4403 {
4404 Value32 |= DMA_WRITE_MODE_RECEIVE_ACCELERATE;
4405 }
4406
4407 if (pDevice->Flags & HOST_COALESCING_BUG_FIX)
4408 {
4409 Value32 |= (1 << 29);
4410 }
4411
4412 REG_WR(pDevice, DmaWrite.Mode, Value32);
4413
4414 if (!(pDevice->PciState & T3_PCI_STATE_CONVENTIONAL_PCI_MODE))
4415 {
4416 if (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5703)
4417 {
4418 Value32 = REG_RD(pDevice, PciCfg.PciXCapabilities);
4419 Value32 &= ~PCIX_CMD_MAX_BURST_MASK;
4420 Value32 |= PCIX_CMD_MAX_BURST_CPIOB << PCIX_CMD_MAX_BURST_SHL;
4421 REG_WR(pDevice, PciCfg.PciXCapabilities, Value32);
4422 }
4423 else if (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5704)
4424 {
4425 Value32 = REG_RD(pDevice, PciCfg.PciXCapabilities);
4426 Value32 &= ~(PCIX_CMD_MAX_SPLIT_MASK | PCIX_CMD_MAX_BURST_MASK);
4427 Value32 |= ((PCIX_CMD_MAX_BURST_CPIOB << PCIX_CMD_MAX_BURST_SHL) &
4428 PCIX_CMD_MAX_BURST_MASK);
4429 if (pDevice->Flags & MULTI_SPLIT_ENABLE_FLAG)
4430 {
4431 Value32 |= (pDevice->SplitModeMaxReq << PCIX_CMD_MAX_SPLIT_SHL)
4432 & PCIX_CMD_MAX_SPLIT_MASK;
4433 }
4434 REG_WR(pDevice, PciCfg.PciXCapabilities, Value32);
4435 }
4436 }
4437
4438 /* Enable the Read DMA state machine. */
4439 Value32 = DMA_READ_MODE_ENABLE |
4440 DMA_READ_MODE_TARGET_ABORT_ATTN_ENABLE |
4441 DMA_READ_MODE_MASTER_ABORT_ATTN_ENABLE |
4442 DMA_READ_MODE_PARITY_ERROR_ATTN_ENABLE |
4443 DMA_READ_MODE_ADDR_OVERFLOW_ATTN_ENABLE |
4444 DMA_READ_MODE_FIFO_OVERRUN_ATTN_ENABLE |
4445 DMA_READ_MODE_FIFO_UNDERRUN_ATTN_ENABLE |
4446 DMA_READ_MODE_FIFO_OVERREAD_ATTN_ENABLE |
4447 DMA_READ_MODE_LONG_READ_ATTN_ENABLE;
4448
4449 if (pDevice->Flags & MULTI_SPLIT_ENABLE_FLAG)
4450 {
4451 Value32 |= DMA_READ_MODE_MULTI_SPLIT_ENABLE;
4452 }
4453
4454 if (T3_ASIC_IS_5705_BEYOND(pDevice->ChipRevId))
4455 {
4456 Value32 |= pDevice->DmaReadFifoSize;
4457 }
4458 #ifdef INCLUDE_TCP_SEG_SUPPORT
4459 if (T3_ASIC_IS_575X_PLUS(pDevice->ChipRevId))
4460 {
4461 Value32 |= BIT_27;
4462 }
4463 #endif
4464
4465
4466 REG_WR(pDevice, DmaRead.Mode, Value32);
4467
4468 /* Enable the Receive Data Completion state machine. */
4469 REG_WR(pDevice, RcvDataComp.Mode, RCV_DATA_COMP_MODE_ENABLE |
4470 RCV_DATA_COMP_MODE_ATTN_ENABLE);
4471
4472 if (!T3_ASIC_IS_5705_BEYOND(pDevice->ChipRevId))
4473 {
4474 /* Enable the Mbuf Cluster Free state machine. */
4475 REG_WR(pDevice, MbufClusterFree.Mode, MBUF_CLUSTER_FREE_MODE_ENABLE);
4476 }
4477
4478 /* Enable the Send Data Completion state machine. */
4479 REG_WR(pDevice, SndDataComp.Mode, SND_DATA_COMP_MODE_ENABLE);
4480
4481 /* Enable the Send BD Completion state machine. */
4482 REG_WR(pDevice, SndBdComp.Mode, SND_BD_COMP_MODE_ENABLE |
4483 SND_BD_COMP_MODE_ATTN_ENABLE);
4484
4485 /* Enable the Receive BD Initiator state machine. */
4486 REG_WR(pDevice, RcvBdIn.Mode, RCV_BD_IN_MODE_ENABLE |
4487 RCV_BD_IN_MODE_BD_IN_DIABLED_RCB_ATTN_ENABLE);
4488
4489 /* Enable the Receive Data and Receive BD Initiator state machine. */
4490 REG_WR(pDevice, RcvDataBdIn.Mode, RCV_DATA_BD_IN_MODE_ENABLE |
4491 RCV_DATA_BD_IN_MODE_INVALID_RING_SIZE);
4492
4493 /* Enable the Send Data Initiator state machine. */
4494 REG_WR(pDevice, SndDataIn.Mode, T3_SND_DATA_IN_MODE_ENABLE);
4495
4496 #ifdef INCLUDE_TCP_SEG_SUPPORT
4497 if (T3_ASIC_IS_575X_PLUS(pDevice->ChipRevId))
4498 {
4499 REG_WR(pDevice, SndDataIn.Mode, T3_SND_DATA_IN_MODE_ENABLE | 0x8);
4500 }
4501 #endif
4502
4503 /* Enable the Send BD Initiator state machine. */
4504 REG_WR(pDevice, SndBdIn.Mode, SND_BD_IN_MODE_ENABLE |
4505 SND_BD_IN_MODE_ATTN_ENABLE);
4506
4507 /* Enable the Send BD Selector state machine. */
4508 REG_WR(pDevice, SndBdSel.Mode, SND_BD_SEL_MODE_ENABLE |
4509 SND_BD_SEL_MODE_ATTN_ENABLE);
4510
4511 #ifdef INCLUDE_5701_AX_FIX
4512 if(pDevice->ChipRevId == T3_CHIP_ID_5701_A0)
4513 {
4514 LM_LoadRlsFirmware(pDevice);
4515 }
4516 #endif
4517
4518 /* Queue Rx packet buffers. */
4519 if(pDevice->QueueRxPackets)
4520 {
4521 LM_QueueRxPackets(pDevice);
4522 }
4523
4524 if (pDevice->ChipRevId == T3_CHIP_ID_5705_A0)
4525 {
4526 Value32 = MEM_RD_OFFSET(pDevice, T3_NIC_STD_RCV_BUFFER_DESC_ADDR + 8);
4527 j = 0;
4528 while ((Value32 != MAX_STD_RCV_BUFFER_SIZE) && (j < 10))
4529 {
4530 MM_Wait(20);
4531 Value32 = MEM_RD_OFFSET(pDevice, T3_NIC_STD_RCV_BUFFER_DESC_ADDR + 8);
4532 j++;
4533 }
4534 if (j >= 10)
4535 {
4536 reset_count++;
4537 LM_Abort(pDevice);
4538 if (reset_count > 5)
4539 return LM_STATUS_FAILURE;
4540 goto restart_reset;
4541 }
4542 }
4543
4544 /* Enable the transmitter. */
4545 pDevice->TxMode = TX_MODE_ENABLE;
4546 REG_WR(pDevice, MacCtrl.TxMode, pDevice->TxMode);
4547
4548 /* Enable the receiver. */
4549 pDevice->RxMode = (pDevice->RxMode & RX_MODE_KEEP_VLAN_TAG) |
4550 RX_MODE_ENABLE;
4551 REG_WR(pDevice, MacCtrl.RxMode, pDevice->RxMode);
4552
4553 #ifdef BCM_WOL
4554 if (pDevice->RestoreOnWakeUp)
4555 {
4556 pDevice->RestoreOnWakeUp = FALSE;
4557 pDevice->DisableAutoNeg = pDevice->WakeUpDisableAutoNeg;
4558 pDevice->RequestedLineSpeed = pDevice->WakeUpRequestedLineSpeed;
4559 pDevice->RequestedDuplexMode = pDevice->WakeUpRequestedDuplexMode;
4560 }
4561 #endif
4562
4563 /* Disable auto polling. */
4564 pDevice->MiMode = 0xc0000;
4565 REG_WR(pDevice, MacCtrl.MiMode, pDevice->MiMode);
4566
4567 REG_WR(pDevice, MacCtrl.LedCtrl, pDevice->LedCtrl);
4568
4569 /* Activate Link to enable MAC state machine */
4570 REG_WR(pDevice, MacCtrl.MiStatus, MI_STATUS_ENABLE_LINK_STATUS_ATTN);
4571
4572 if (pDevice->TbiFlags & ENABLE_TBI_FLAG)
4573 {
4574 if (pDevice->ChipRevId == T3_CHIP_ID_5703_A1)
4575 {
4576 REG_WR(pDevice, MacCtrl.SerdesCfg, 0x616000);
4577 }
4578 if (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5704)
4579 {
4580
4581 if(!(pDevice->TbiFlags & TBI_DO_PREEMPHASIS))
4582 {
4583 /* Set SerDes drive transmission level to 1.2V */
4584 Value32 = REG_RD(pDevice, MacCtrl.SerdesCfg) & 0xfffff000;
4585 REG_WR(pDevice, MacCtrl.SerdesCfg, Value32 | 0x880);
4586 }
4587 }
4588 }
4589
4590 REG_WR(pDevice, MacCtrl.LowWaterMarkMaxRxFrame, 2);
4591
4592 if(pDevice->PhyFlags & PHY_IS_FIBER)
4593 {
4594 Value32 = REG_RD_OFFSET(pDevice, 0x5b0);
4595 REG_WR_OFFSET(pDevice, 0x5b0, Value32 | BIT_10 );
4596
4597 pDevice->GrcLocalCtrl |= BIT_4 ;
4598 pDevice->GrcLocalCtrl &= ~BIT_5 ;
4599
4600 REG_WR(pDevice, Grc.LocalCtrl, pDevice->GrcLocalCtrl);
4601 Value32 = REG_RD(pDevice, Grc.LocalCtrl);
4602 MM_Wait(40);
4603 }
4604
4605 if (!pDevice->InitDone)
4606 {
4607 if(UNKNOWN_PHY_ID(pDevice->PhyId) && (pDevice->Flags & ROBO_SWITCH_FLAG)) {
4608 pDevice->LinkStatus = LM_STATUS_LINK_ACTIVE;
4609 } else {
4610 pDevice->LinkStatus = LM_STATUS_LINK_DOWN;
4611 }
4612 }
4613
4614 if (!(pDevice->TbiFlags & ENABLE_TBI_FLAG) &&
4615 ( ((pDevice->PhyId & PHY_ID_MASK) != PHY_BCM5401_PHY_ID)&&
4616 ((pDevice->PhyId & PHY_ID_MASK) != PHY_BCM5411_PHY_ID) ))
4617 {
4618 /* 5401/5411 PHY needs a delay of about 1 second after PHY reset */
4619 /* Without the delay, it has problem linking at forced 10 half */
4620 /* So skip the reset... */
4621 if(T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5780)
4622 for(j =0; j<0x5000; j++)
4623 MM_Wait(1);
4624
4625 LM_ResetPhy(pDevice);
4626 }
4627
4628 /* Setup the phy chip. */
4629 LM_SetupPhy(pDevice);
4630
4631 if (!(pDevice->TbiFlags & ENABLE_TBI_FLAG)){
4632 /* Clear CRC stats */
4633 LM_ReadPhy(pDevice, 0x1e, &Value32);
4634 LM_WritePhy(pDevice, 0x1e, Value32 | 0x8000);
4635 LM_ReadPhy(pDevice, 0x14, &Value32);
4636 }
4637
4638 /* Set up the receive mask. */
4639 LM_SetReceiveMask(pDevice, pDevice->ReceiveMask);
4640
4641 #ifdef INCLUDE_TCP_SEG_SUPPORT
4642 if (pDevice->TaskToOffload & LM_TASK_OFFLOAD_TCP_SEGMENTATION)
4643 {
4644 if (LM_LoadStkOffLdFirmware(pDevice) == LM_STATUS_FAILURE)
4645 {
4646 return LM_STATUS_FAILURE;
4647 }
4648 }
4649 #endif
4650 LM_WritePostResetSignatures(pDevice, LM_INIT_RESET);
4651
4652 return LM_STATUS_SUCCESS;
4653 } /* LM_ResetAdapter */
4654
4655
4656 /******************************************************************************/
4657 /* Description: */
4658 /* This routine disables the adapter from generating interrupts. */
4659 /* */
4660 /* Return: */
4661 /* LM_STATUS_SUCCESS */
4662 /******************************************************************************/
4663 LM_STATUS
4664 LM_DisableInterrupt(
4665 PLM_DEVICE_BLOCK pDevice)
4666 {
4667 REG_WR(pDevice, PciCfg.MiscHostCtrl, pDevice->MiscHostCtrl |
4668 MISC_HOST_CTRL_MASK_PCI_INT);
4669 MB_REG_WR(pDevice, Mailbox.Interrupt[0].Low, 1);
4670 if (pDevice->Flags & FLUSH_POSTED_WRITE_FLAG)
4671 {
4672 MB_REG_RD(pDevice, Mailbox.Interrupt[0].Low);
4673 }
4674
4675 return LM_STATUS_SUCCESS;
4676 }
4677
4678
4679
4680 /******************************************************************************/
4681 /* Description: */
4682 /* This routine enables the adapter to generate interrupts. */
4683 /* */
4684 /* Return: */
4685 /* LM_STATUS_SUCCESS */
4686 /******************************************************************************/
4687 LM_STATUS
4688 LM_EnableInterrupt(
4689 PLM_DEVICE_BLOCK pDevice)
4690 {
4691 MB_REG_WR(pDevice, Mailbox.Interrupt[0].Low, pDevice->LastTag << 24);
4692 if (pDevice->Flags & FLUSH_POSTED_WRITE_FLAG)
4693 {
4694 MB_REG_RD(pDevice, Mailbox.Interrupt[0].Low);
4695 }
4696
4697 REG_WR(pDevice, PciCfg.MiscHostCtrl, pDevice->MiscHostCtrl &
4698 ~MISC_HOST_CTRL_MASK_PCI_INT);
4699
4700 REG_WR(pDevice, HostCoalesce.Mode, pDevice->CoalesceMode |
4701 HOST_COALESCE_ENABLE | HOST_COALESCE_NOW);
4702
4703 return LM_STATUS_SUCCESS;
4704 }
4705
4706
4707
4708 /******************************************************************************/
4709 /* Description: */
4710 /* This routine puts a packet on the wire if there is a transmit DMA */
4711 /* descriptor available; otherwise the packet is queued for later */
4712 /* transmission. If the second argue is NULL, this routine will put */
4713 /* the queued packet on the wire if possible. */
4714 /* */
4715 /* Return: */
4716 /* LM_STATUS_SUCCESS */
4717 /******************************************************************************/
4718 LM_STATUS
4719 LM_SendPacket(PLM_DEVICE_BLOCK pDevice, PLM_PACKET pPacket)
4720 {
4721 LM_UINT32 FragCount;
4722 PT3_SND_BD pSendBd, pTmpSendBd;
4723 #ifdef BCM_NIC_SEND_BD
4724 PT3_SND_BD pShadowSendBd;
4725 T3_SND_BD NicSendBdArr[MAX_FRAGMENT_COUNT];
4726 #endif
4727 LM_UINT32 StartIdx, Idx;
4728
4729 while (1)
4730 {
4731 /* Initalize the send buffer descriptors. */
4732 StartIdx = Idx = pDevice->SendProdIdx;
4733
4734 #ifdef BCM_NIC_SEND_BD
4735 if (pDevice->Flags & NIC_SEND_BD_FLAG)
4736 {
4737 pTmpSendBd = pSendBd = &NicSendBdArr[0];
4738 }
4739 else
4740 #endif
4741 {
4742 pTmpSendBd = pSendBd = &pDevice->pSendBdVirt[Idx];
4743 }
4744
4745 /* Next producer index. */
4746 for(FragCount = 0; ; )
4747 {
4748 LM_UINT32 Value32, Len;
4749
4750 /* Initialize the pointer to the send buffer fragment. */
4751 MM_MapTxDma(pDevice, pPacket, &pSendBd->HostAddr, &Len, FragCount);
4752
4753 pSendBd->u2.VlanTag = pPacket->VlanTag;
4754
4755 /* Setup the control flags and send buffer size. */
4756 Value32 = (Len << 16) | pPacket->Flags;
4757
4758 #ifdef INCLUDE_TCP_SEG_SUPPORT
4759 if (Value32 & (SND_BD_FLAG_CPU_PRE_DMA | SND_BD_FLAG_CPU_POST_DMA))
4760 {
4761 if(T3_ASIC_IS_575X_PLUS(pDevice->ChipRevId))
4762 {
4763 pSendBd->u2.s2.Reserved = pPacket->u.Tx.MaxSegmentSize;
4764 }
4765 else if (FragCount == 0)
4766 {
4767 pSendBd->u2.s2.Reserved = pPacket->u.Tx.MaxSegmentSize;
4768 }
4769 else
4770 {
4771 pSendBd->u2.s2.Reserved = 0;
4772 Value32 &= 0xffff0fff;
4773 }
4774 }
4775 #endif
4776 Idx = (Idx + 1) & T3_SEND_RCB_ENTRY_COUNT_MASK;
4777
4778 FragCount++;
4779 if (FragCount >= pPacket->u.Tx.FragCount)
4780 {
4781 pSendBd->u1.Len_Flags = Value32 | SND_BD_FLAG_END;
4782 break;
4783 }
4784 else
4785 {
4786 pSendBd->u1.Len_Flags = Value32;
4787 }
4788
4789 pSendBd++;
4790 if ((Idx == 0) &&
4791 !(pDevice->Flags & NIC_SEND_BD_FLAG))
4792 {
4793 pSendBd = &pDevice->pSendBdVirt[0];
4794 }
4795
4796 pDevice->SendRing[Idx] = 0;
4797
4798 } /* for */
4799 if (pDevice->Flags & TX_4G_WORKAROUND_FLAG)
4800 {
4801 if (LM_Test4GBoundary(pDevice, pPacket, pTmpSendBd) ==
4802 LM_STATUS_SUCCESS)
4803 {
4804 if (MM_CoalesceTxBuffer(pDevice, pPacket) != LM_STATUS_SUCCESS)
4805 {
4806 QQ_PushHead(&pDevice->TxPacketFreeQ.Container, pPacket);
4807 return LM_STATUS_FAILURE;
4808 }
4809 continue;
4810 }
4811 }
4812 break;
4813 }
4814 /* Put the packet descriptor in the ActiveQ. */
4815 pDevice->SendRing[StartIdx] = pPacket;
4816
4817 #ifdef BCM_NIC_SEND_BD
4818 if (pDevice->Flags & NIC_SEND_BD_FLAG)
4819 {
4820 pSendBd = &pDevice->pSendBdVirt[StartIdx];
4821 pShadowSendBd = &pDevice->ShadowSendBd[StartIdx];
4822
4823 while (StartIdx != Idx)
4824 {
4825 LM_UINT32 Value32;
4826
4827 if ((Value32 = pTmpSendBd->HostAddr.High) !=
4828 pShadowSendBd->HostAddr.High)
4829 {
4830 MM_MEMWRITEL(&(pSendBd->HostAddr.High), Value32);
4831 pShadowSendBd->HostAddr.High = Value32;
4832 }
4833
4834 MM_MEMWRITEL(&(pSendBd->HostAddr.Low), pTmpSendBd->HostAddr.Low);
4835
4836 if ((Value32 = pTmpSendBd->u1.Len_Flags) !=
4837 pShadowSendBd->u1.Len_Flags)
4838 {
4839 MM_MEMWRITEL(&(pSendBd->u1.Len_Flags), Value32);
4840 pShadowSendBd->u1.Len_Flags = Value32;
4841 }
4842
4843 if (pPacket->Flags & SND_BD_FLAG_VLAN_TAG)
4844 {
4845 MM_MEMWRITEL(&(pSendBd->u2.VlanTag), pTmpSendBd->u2.VlanTag);
4846 }
4847
4848 StartIdx = (StartIdx + 1) & T3_SEND_RCB_ENTRY_COUNT_MASK;
4849 if (StartIdx == 0)
4850 {
4851 pSendBd = &pDevice->pSendBdVirt[0];
4852 pShadowSendBd = &pDevice->ShadowSendBd[0];
4853 }
4854 else
4855 {
4856 pSendBd++;
4857 pShadowSendBd++;
4858 }
4859 pTmpSendBd++;
4860 }
4861 MM_WMB();
4862 MB_REG_WR(pDevice, Mailbox.SendNicProdIdx[0].Low, Idx);
4863
4864 if(T3_CHIP_REV(pDevice->ChipRevId) == T3_CHIP_REV_5700_BX)
4865 {
4866 MB_REG_WR(pDevice, Mailbox.SendNicProdIdx[0].Low, Idx);
4867 }
4868 if (pDevice->Flags & FLUSH_POSTED_WRITE_FLAG)
4869 {
4870 MB_REG_RD(pDevice, Mailbox.SendNicProdIdx[0].Low);
4871 }
4872 else
4873 {
4874 MM_MMIOWB();
4875 }
4876 }
4877 else
4878 #endif
4879 {
4880 MM_WMB();
4881 MB_REG_WR(pDevice, Mailbox.SendHostProdIdx[0].Low, Idx);
4882
4883 if(T3_CHIP_REV(pDevice->ChipRevId) == T3_CHIP_REV_5700_BX)
4884 {
4885 MB_REG_WR(pDevice, Mailbox.SendHostProdIdx[0].Low, Idx);
4886 }
4887 if (pDevice->Flags & FLUSH_POSTED_WRITE_FLAG)
4888 {
4889 MB_REG_RD(pDevice, Mailbox.SendHostProdIdx[0].Low);
4890 }
4891 else
4892 {
4893 MM_MMIOWB();
4894 }
4895 }
4896
4897 /* Update the SendBdLeft count. */
4898 MM_ATOMIC_SUB(&pDevice->SendBdLeft, pPacket->u.Tx.FragCount);
4899
4900 /* Update the producer index. */
4901 pDevice->SendProdIdx = Idx;
4902
4903 return LM_STATUS_SUCCESS;
4904 }
4905
4906 STATIC LM_STATUS
4907 LM_Test4GBoundary(PLM_DEVICE_BLOCK pDevice, PLM_PACKET pPacket,
4908 PT3_SND_BD pSendBd)
4909 {
4910 int FragCount;
4911 LM_UINT32 Idx, Base, Len;
4912
4913 Idx = pDevice->SendProdIdx;
4914 for(FragCount = 0; ; )
4915 {
4916 Len = pSendBd->u1.Len_Flags >> 16;
4917 if (((Base = pSendBd->HostAddr.Low) > 0xffffdcc0) &&
4918 ((Base + 8 + Len) < Base))
4919 {
4920 return LM_STATUS_SUCCESS;
4921 }
4922 FragCount++;
4923 if (FragCount >= pPacket->u.Tx.FragCount)
4924 {
4925 break;
4926 }
4927 pSendBd++;
4928 if (!(pDevice->Flags & NIC_SEND_BD_FLAG))
4929 {
4930 Idx = (Idx + 1) & T3_SEND_RCB_ENTRY_COUNT_MASK;
4931 if (Idx == 0)
4932 {
4933 pSendBd = &pDevice->pSendBdVirt[0];
4934 }
4935 }
4936 }
4937 return LM_STATUS_FAILURE;
4938 }
4939
4940 /******************************************************************************/
4941 /* Description: */
4942 /* */
4943 /* Return: */
4944 /******************************************************************************/
4945 LM_UINT32
4946 ComputeCrc32(LM_UINT8 *pBuffer, LM_UINT32 BufferSize)
4947 {
4948 LM_UINT32 Reg;
4949 LM_UINT32 Tmp;
4950 int j, k;
4951
4952 Reg = 0xffffffff;
4953
4954 for(j = 0; j < BufferSize; j++)
4955 {
4956 Reg ^= pBuffer[j];
4957
4958 for(k = 0; k < 8; k++)
4959 {
4960 Tmp = Reg & 0x01;
4961
4962 Reg >>= 1;
4963
4964 if(Tmp)
4965 {
4966 Reg ^= 0xedb88320;
4967 }
4968 }
4969 }
4970
4971 return ~Reg;
4972 } /* ComputeCrc32 */
4973
4974
4975
4976 /******************************************************************************/
4977 /* Description: */
4978 /* This routine sets the receive control register according to ReceiveMask */
4979 /* */
4980 /* Return: */
4981 /* LM_STATUS_SUCCESS */
4982 /******************************************************************************/
4983 LM_STATUS
4984 LM_SetReceiveMask(PLM_DEVICE_BLOCK pDevice, LM_UINT32 Mask)
4985 {
4986 LM_UINT32 ReceiveMask;
4987 LM_UINT32 RxMode;
4988 LM_UINT32 j, k;
4989
4990 ReceiveMask = Mask;
4991
4992 RxMode = pDevice->RxMode;
4993
4994 if(Mask & LM_ACCEPT_UNICAST)
4995 {
4996 Mask &= ~LM_ACCEPT_UNICAST;
4997 }
4998
4999 if(Mask & LM_ACCEPT_MULTICAST)
5000 {
5001 Mask &= ~LM_ACCEPT_MULTICAST;
5002 }
5003
5004 if(Mask & LM_ACCEPT_ALL_MULTICAST)
5005 {
5006 Mask &= ~LM_ACCEPT_ALL_MULTICAST;
5007 }
5008
5009 if(Mask & LM_ACCEPT_BROADCAST)
5010 {
5011 Mask &= ~LM_ACCEPT_BROADCAST;
5012 }
5013
5014 RxMode &= ~RX_MODE_KEEP_VLAN_TAG;
5015 if (Mask & LM_KEEP_VLAN_TAG)
5016 {
5017 RxMode |= RX_MODE_KEEP_VLAN_TAG;
5018 Mask &= ~LM_KEEP_VLAN_TAG;
5019 }
5020
5021 RxMode &= ~RX_MODE_PROMISCUOUS_MODE;
5022 if(Mask & LM_PROMISCUOUS_MODE)
5023 {
5024 RxMode |= RX_MODE_PROMISCUOUS_MODE;
5025 Mask &= ~LM_PROMISCUOUS_MODE;
5026 }
5027
5028 RxMode &= ~(RX_MODE_ACCEPT_RUNTS | RX_MODE_ACCEPT_OVERSIZED);
5029 if(Mask & LM_ACCEPT_ERROR_PACKET)
5030 {
5031 RxMode |= RX_MODE_ACCEPT_RUNTS | RX_MODE_ACCEPT_OVERSIZED;
5032 Mask &= ~LM_ACCEPT_ERROR_PACKET;
5033 }
5034
5035 /* Make sure all the bits are valid before committing changes. */
5036 if(Mask)
5037 {
5038 return LM_STATUS_FAILURE;
5039 }
5040
5041 /* Commit the new filter. */
5042 pDevice->ReceiveMask = ReceiveMask;
5043
5044 pDevice->RxMode = RxMode;
5045
5046 if (pDevice->PowerLevel != LM_POWER_STATE_D0)
5047 {
5048 return LM_STATUS_SUCCESS;
5049 }
5050
5051 REG_WR(pDevice, MacCtrl.RxMode, RxMode);
5052
5053 /* Set up the MC hash table. */
5054 if(ReceiveMask & LM_ACCEPT_ALL_MULTICAST)
5055 {
5056 for(k = 0; k < 4; k++)
5057 {
5058 REG_WR(pDevice, MacCtrl.HashReg[k], 0xffffffff);
5059 }
5060 }
5061 else if(ReceiveMask & LM_ACCEPT_MULTICAST)
5062 {
5063 for(k = 0; k < 4; k++)
5064 {
5065 REG_WR(pDevice, MacCtrl.HashReg[k], pDevice->MulticastHash[k]);
5066 }
5067 }
5068 else
5069 {
5070 /* Reject all multicast frames. */
5071 for(j = 0; j < 4; j++)
5072 {
5073 REG_WR(pDevice, MacCtrl.HashReg[j], 0);
5074 }
5075 }
5076
5077 /* By default, Tigon3 will accept broadcast frames. We need to setup */
5078 if(ReceiveMask & LM_ACCEPT_BROADCAST)
5079 {
5080 REG_WR(pDevice, MacCtrl.RcvRules[RCV_RULE1_REJECT_BROADCAST_IDX].Rule,
5081 REJECT_BROADCAST_RULE1_RULE & RCV_DISABLE_RULE_MASK);
5082 REG_WR(pDevice, MacCtrl.RcvRules[RCV_RULE1_REJECT_BROADCAST_IDX].Value,
5083 REJECT_BROADCAST_RULE1_VALUE & RCV_DISABLE_RULE_MASK);
5084 REG_WR(pDevice, MacCtrl.RcvRules[RCV_RULE2_REJECT_BROADCAST_IDX].Rule,
5085 REJECT_BROADCAST_RULE1_RULE & RCV_DISABLE_RULE_MASK);
5086 REG_WR(pDevice, MacCtrl.RcvRules[RCV_RULE2_REJECT_BROADCAST_IDX].Value,
5087 REJECT_BROADCAST_RULE1_VALUE & RCV_DISABLE_RULE_MASK);
5088 }
5089 else
5090 {
5091 REG_WR(pDevice, MacCtrl.RcvRules[RCV_RULE1_REJECT_BROADCAST_IDX].Rule,
5092 REJECT_BROADCAST_RULE1_RULE);
5093 REG_WR(pDevice, MacCtrl.RcvRules[RCV_RULE1_REJECT_BROADCAST_IDX].Value,
5094 REJECT_BROADCAST_RULE1_VALUE);
5095 REG_WR(pDevice, MacCtrl.RcvRules[RCV_RULE2_REJECT_BROADCAST_IDX].Rule,
5096 REJECT_BROADCAST_RULE2_RULE);
5097 REG_WR(pDevice, MacCtrl.RcvRules[RCV_RULE2_REJECT_BROADCAST_IDX].Value,
5098 REJECT_BROADCAST_RULE2_VALUE);
5099 }
5100
5101 if(T3_ASIC_5714_FAMILY(pDevice->ChipRevId))
5102 {
5103 k = 16;
5104 }
5105 else if (!T3_ASIC_IS_5705_BEYOND(pDevice->ChipRevId))
5106 {
5107 k = 16;
5108 }
5109 else
5110 {
5111 k = 8;
5112 }
5113 #ifdef BCM_ASF
5114 if (pDevice->AsfFlags & ASF_ENABLED)
5115 {
5116 k -= 4;
5117 }
5118 #endif
5119
5120 /* disable the rest of the rules. */
5121 for(j = RCV_LAST_RULE_IDX; j < k; j++)
5122 {
5123 REG_WR(pDevice, MacCtrl.RcvRules[j].Rule, 0);
5124 REG_WR(pDevice, MacCtrl.RcvRules[j].Value, 0);
5125 }
5126
5127 return LM_STATUS_SUCCESS;
5128 } /* LM_SetReceiveMask */
5129
5130
5131
5132 /******************************************************************************/
5133 /* Description: */
5134 /* Disable the interrupt and put the transmitter and receiver engines in */
5135 /* an idle state. Also aborts all pending send requests and receive */
5136 /* buffers. */
5137 /* */
5138 /* Return: */
5139 /* LM_STATUS_SUCCESS */
5140 /******************************************************************************/
5141 LM_STATUS
5142 LM_Abort(
5143 PLM_DEVICE_BLOCK pDevice)
5144 {
5145 PLM_PACKET pPacket;
5146 LM_UINT Idx;
5147
5148 LM_DisableInterrupt(pDevice);
5149
5150 LM_DisableChip(pDevice);
5151
5152 /*
5153 * If we do not have a status block pointer, then
5154 * the device hasn't really been opened. Do not
5155 * attempt to clean up packets.
5156 */
5157 if (pDevice->pStatusBlkVirt == NULL)
5158 return LM_STATUS_SUCCESS;
5159
5160 /* Abort packets that have already queued to go out. */
5161 Idx = pDevice->SendConIdx;
5162 for ( ; ; )
5163 {
5164 if ((pPacket = pDevice->SendRing[Idx]))
5165 {
5166 pDevice->SendRing[Idx] = 0;
5167 pPacket->PacketStatus = LM_STATUS_TRANSMIT_ABORTED;
5168 pDevice->TxCounters.TxPacketAbortedCnt++;
5169
5170 MM_ATOMIC_ADD(&pDevice->SendBdLeft, pPacket->u.Tx.FragCount);
5171 Idx = (Idx + pPacket->u.Tx.FragCount) &
5172 T3_SEND_RCB_ENTRY_COUNT_MASK;
5173
5174 QQ_PushTail(&pDevice->TxPacketXmittedQ.Container, pPacket);
5175 }
5176 else
5177 {
5178 break;
5179 }
5180 }
5181
5182 /* Cleanup the receive return rings. */
5183 #ifdef BCM_NAPI_RXPOLL
5184 LM_ServiceRxPoll(pDevice, T3_RCV_RETURN_RCB_ENTRY_COUNT);
5185 #else
5186 LM_ServiceRxInterrupt(pDevice);
5187 #endif
5188
5189 /* Indicate packets to the protocol. */
5190 MM_IndicateTxPackets(pDevice);
5191
5192 #ifdef BCM_NAPI_RXPOLL
5193
5194 /* Move the receive packet descriptors in the ReceivedQ to the */
5195 /* free queue. */
5196 for(; ;)
5197 {
5198 pPacket = (PLM_PACKET) QQ_PopHead(
5199 &pDevice->RxPacketReceivedQ.Container);
5200 if(pPacket == NULL)
5201 {
5202 break;
5203 }
5204 MM_UnmapRxDma(pDevice, pPacket);
5205 QQ_PushTail(&pDevice->RxPacketFreeQ.Container, pPacket);
5206 }
5207 #else
5208 /* Indicate received packets to the protocols. */
5209 MM_IndicateRxPackets(pDevice);
5210 #endif
5211
5212 /* Clean up the Std Receive Producer ring. */
5213 /* Don't always trust the consumer idx in the status block in case of */
5214 /* hw failure */
5215 Idx = 0;
5216
5217 while(Idx < T3_STD_RCV_RCB_ENTRY_COUNT)
5218 {
5219 if ((pPacket = pDevice->RxStdRing[Idx]))
5220 {
5221 MM_UnmapRxDma(pDevice, pPacket);
5222 QQ_PushTail(&pDevice->RxPacketFreeQ.Container, pPacket);
5223 pDevice->RxStdRing[Idx] = 0;
5224 }
5225
5226 Idx++;
5227 } /* while */
5228
5229 /* Reinitialize our copy of the indices. */
5230 pDevice->RxStdProdIdx = 0;
5231
5232 #if T3_JUMBO_RCV_RCB_ENTRY_COUNT
5233 /* Clean up the Jumbo Receive Producer ring. */
5234 Idx = 0;
5235
5236 while(Idx < T3_JUMBO_RCV_RCB_ENTRY_COUNT)
5237 {
5238 if ((pPacket = pDevice->RxJumboRing[Idx]))
5239 {
5240 MM_UnmapRxDma(pDevice, pPacket);
5241 QQ_PushTail(&pDevice->RxPacketFreeQ.Container, pPacket);
5242 pDevice->RxJumboRing[Idx] = 0;
5243 }
5244 Idx++;
5245 } /* while */
5246
5247 /* Reinitialize our copy of the indices. */
5248 pDevice->RxJumboProdIdx = 0;
5249 #endif /* T3_JUMBO_RCV_RCB_ENTRY_COUNT */
5250
5251 /* Initialize the statistis Block */
5252 pDevice->pStatusBlkVirt->Status = 0;
5253 pDevice->pStatusBlkVirt->RcvStdConIdx = 0;
5254 pDevice->pStatusBlkVirt->RcvJumboConIdx = 0;
5255 pDevice->pStatusBlkVirt->RcvMiniConIdx = 0;
5256
5257 return LM_STATUS_SUCCESS;
5258 } /* LM_Abort */
5259
5260
5261
5262 /******************************************************************************/
5263 /* Description: */
5264 /* Disable the interrupt and put the transmitter and receiver engines in */
5265 /* an idle state. Aborts all pending send requests and receive buffers. */
5266 /* Also free all the receive buffers. */
5267 /* */
5268 /* Return: */
5269 /* LM_STATUS_SUCCESS */
5270 /******************************************************************************/
5271 LM_STATUS
5272 LM_DoHalt(LM_DEVICE_BLOCK *pDevice)
5273 {
5274 PLM_PACKET pPacket;
5275 LM_UINT32 EntryCnt;
5276
5277 LM_DisableFW(pDevice);
5278
5279 LM_WritePreResetSignatures(pDevice, LM_SHUTDOWN_RESET);
5280 LM_Abort(pDevice);
5281
5282 if((pDevice->PhyId & PHY_ID_MASK) == PHY_BCM5461_PHY_ID)
5283 LM_WritePhy(pDevice, BCM546X_1c_SHADOW_REG,
5284 (BCM546X_1c_SPR_CTRL_1 | BCM546X_1c_WR_EN));
5285
5286 /* Get the number of entries in the queue. */
5287 EntryCnt = QQ_GetEntryCnt(&pDevice->RxPacketFreeQ.Container);
5288
5289 /* Make sure all the packets have been accounted for. */
5290 for(EntryCnt = 0; EntryCnt < pDevice->RxPacketDescCnt; EntryCnt++)
5291 {
5292 pPacket = (PLM_PACKET) QQ_PopHead(&pDevice->RxPacketFreeQ.Container);
5293 if (pPacket == 0)
5294 break;
5295
5296 MM_FreeRxBuffer(pDevice, pPacket);
5297
5298 QQ_PushTail(&pDevice->RxPacketFreeQ.Container, pPacket);
5299 }
5300
5301 LM_ResetChip(pDevice);
5302 LM_WriteLegacySignatures(pDevice, LM_SHUTDOWN_RESET);
5303
5304 /* Restore PCI configuration registers. */
5305 MM_WriteConfig32(pDevice, PCI_CACHE_LINE_SIZE_REG,
5306 pDevice->SavedCacheLineReg);
5307 LM_RegWrInd(pDevice, PCI_SUBSYSTEM_VENDOR_ID_REG,
5308 (pDevice->SubsystemId << 16) | pDevice->SubsystemVendorId);
5309
5310 /* Reprogram the MAC address. */
5311 LM_SetMacAddress(pDevice, pDevice->NodeAddress);
5312
5313 return LM_STATUS_SUCCESS;
5314 } /* LM_DoHalt */
5315
5316
5317 LM_STATUS
5318 LM_Halt(LM_DEVICE_BLOCK *pDevice)
5319 {
5320 LM_STATUS status;
5321
5322 status = LM_DoHalt(pDevice);
5323 LM_WritePostResetSignatures(pDevice, LM_SHUTDOWN_RESET);
5324 return status;
5325 }
5326
5327
5328 STATIC LM_VOID
5329 LM_WritePreResetSignatures(LM_DEVICE_BLOCK *pDevice, LM_RESET_TYPE Mode)
5330 {
5331 MEM_WR_OFFSET(pDevice, T3_FIRMWARE_MAILBOX,T3_MAGIC_NUM_FIRMWARE_INIT_DONE);
5332 #ifdef BCM_ASF
5333 if (pDevice->AsfFlags & ASF_NEW_HANDSHAKE)
5334 {
5335 if (Mode == LM_INIT_RESET)
5336 {
5337 MEM_WR_OFFSET(pDevice, T3_DRV_STATE_MAILBOX, T3_DRV_STATE_START);
5338 }
5339 else if (Mode == LM_SHUTDOWN_RESET)
5340 {
5341 MEM_WR_OFFSET(pDevice, T3_DRV_STATE_MAILBOX, T3_DRV_STATE_UNLOAD);
5342 }
5343 else if (Mode == LM_SUSPEND_RESET)
5344 {
5345 MEM_WR_OFFSET(pDevice, T3_DRV_STATE_MAILBOX, T3_DRV_STATE_SUSPEND);
5346 }
5347 }
5348 #endif
5349 }
5350
5351 STATIC LM_VOID
5352 LM_WritePostResetSignatures(LM_DEVICE_BLOCK *pDevice, LM_RESET_TYPE Mode)
5353 {
5354 #ifdef BCM_ASF
5355 if (pDevice->AsfFlags & ASF_NEW_HANDSHAKE)
5356 {
5357 if (Mode == LM_INIT_RESET)
5358 {
5359 MEM_WR_OFFSET(pDevice, T3_DRV_STATE_MAILBOX,
5360 T3_DRV_STATE_START_DONE);
5361 }
5362 else if (Mode == LM_SHUTDOWN_RESET)
5363 {
5364 MEM_WR_OFFSET(pDevice, T3_DRV_STATE_MAILBOX,
5365 T3_DRV_STATE_UNLOAD_DONE);
5366 }
5367 }
5368 #endif
5369 }
5370
5371 STATIC LM_VOID
5372 LM_WriteLegacySignatures(LM_DEVICE_BLOCK *pDevice, LM_RESET_TYPE Mode)
5373 {
5374 #ifdef BCM_ASF
5375 if (pDevice->AsfFlags & ASF_ENABLED)
5376 {
5377 if (Mode == LM_INIT_RESET)
5378 {
5379 MEM_WR_OFFSET(pDevice, T3_DRV_STATE_MAILBOX, T3_DRV_STATE_START);
5380 }
5381 else if (Mode == LM_SHUTDOWN_RESET)
5382 {
5383 MEM_WR_OFFSET(pDevice, T3_DRV_STATE_MAILBOX, T3_DRV_STATE_UNLOAD);
5384 }
5385 else if (Mode == LM_SUSPEND_RESET)
5386 {
5387 MEM_WR_OFFSET(pDevice, T3_DRV_STATE_MAILBOX, T3_DRV_STATE_SUSPEND);
5388 }
5389 }
5390 #endif
5391 }
5392
5393 STATIC LM_STATUS
5394 LM_ResetChip(PLM_DEVICE_BLOCK pDevice)
5395 {
5396 LM_UINT32 Value32;
5397 LM_UINT32 j, tmp1 = 0, tmp2 = 0;
5398
5399 /* Wait for access to the nvram interface before resetting. This is */
5400 if(T3_ASIC_REV(pDevice->ChipRevId) != T3_ASIC_REV_5700 &&
5401 T3_ASIC_REV(pDevice->ChipRevId) != T3_ASIC_REV_5701)
5402 {
5403 /* Request access to the flash interface. */
5404 LM_NVRAM_AcquireLock(pDevice);
5405 }
5406
5407 Value32 = GRC_MISC_CFG_CORE_CLOCK_RESET;
5408 if (pDevice->Flags & PCI_EXPRESS_FLAG)
5409 {
5410 if (REG_RD_OFFSET(pDevice, 0x7e2c) == 0x60) /* PCIE 1.0 system */
5411 {
5412 REG_WR_OFFSET(pDevice, 0x7e2c, 0x20);
5413 }
5414 if (pDevice->ChipRevId != T3_CHIP_ID_5750_A0)
5415 {
5416 /* This bit prevents PCIE link training during GRC reset */
5417 REG_WR(pDevice, Grc.MiscCfg, BIT_29); /* Write bit 29 first */
5418 Value32 |= BIT_29; /* and keep bit 29 set during GRC reset */
5419 }
5420 }
5421 if (T3_ASIC_IS_5705_BEYOND(pDevice->ChipRevId))
5422 {
5423 Value32 |= GRC_MISC_GPHY_KEEP_POWER_DURING_RESET;
5424 }
5425
5426 if(T3_ASIC_5714_FAMILY(pDevice->ChipRevId) )
5427 {
5428 /* Save the MSI ENABLE bit (may need to save the message as well) */
5429 tmp1 = LM_RegRd( pDevice, T3_PCI_MSI_ENABLE );
5430 }
5431
5432 /* Global reset. */
5433 RAW_REG_WR(pDevice, Grc.MiscCfg, Value32);
5434 MM_Wait(120);
5435
5436 MM_ReadConfig32(pDevice, PCI_COMMAND_REG, &Value32);
5437
5438 MM_Wait(120);
5439
5440 /* make sure we re-enable indirect accesses */
5441 MM_WriteConfig32(pDevice, T3_PCI_MISC_HOST_CTRL_REG,
5442 pDevice->MiscHostCtrl);
5443
5444 /* Set MAX PCI retry to zero. */
5445 Value32 = T3_PCI_STATE_PCI_ROM_ENABLE | T3_PCI_STATE_PCI_ROM_RETRY_ENABLE;
5446 if (pDevice->ChipRevId == T3_CHIP_ID_5704_A0)
5447 {
5448 if (!(pDevice->PciState & T3_PCI_STATE_CONVENTIONAL_PCI_MODE))
5449 {
5450 Value32 |= T3_PCI_STATE_RETRY_SAME_DMA;
5451 }
5452 }
5453 MM_WriteConfig32(pDevice, T3_PCI_STATE_REG, Value32);
5454
5455 /* Restore PCI command register. */
5456 MM_WriteConfig32(pDevice, PCI_COMMAND_REG,
5457 pDevice->PciCommandStatusWords);
5458
5459 /* Disable PCI-X relaxed ordering bit. */
5460 MM_ReadConfig32(pDevice, PCIX_CAP_REG, &Value32);
5461 Value32 &= ~PCIX_ENABLE_RELAXED_ORDERING;
5462 MM_WriteConfig32(pDevice, PCIX_CAP_REG, Value32);
5463
5464 /* Enable memory arbiter */
5465 if(T3_ASIC_5714_FAMILY(pDevice->ChipRevId) )
5466 {
5467 Value32 = REG_RD(pDevice,MemArbiter.Mode);
5468 REG_WR(pDevice, MemArbiter.Mode, T3_MEM_ARBITER_MODE_ENABLE | Value32);
5469 }
5470 else
5471 {
5472 REG_WR(pDevice, MemArbiter.Mode, T3_MEM_ARBITER_MODE_ENABLE);
5473 }
5474
5475 if(T3_ASIC_5714_FAMILY(pDevice->ChipRevId))
5476 {
5477 /* restore the MSI ENABLE bit (may need to restore the message also) */
5478 tmp2 = LM_RegRd( pDevice, T3_PCI_MSI_ENABLE );
5479 tmp2 |= (tmp1 & (1 << 16));
5480 LM_RegWr( pDevice, T3_PCI_MSI_ENABLE, tmp2, TRUE );
5481 tmp2 = LM_RegRd( pDevice, T3_PCI_MSI_ENABLE );
5482 }
5483
5484
5485 if (pDevice->ChipRevId == T3_CHIP_ID_5750_A3)
5486 {
5487 /* Because of chip bug on A3, we need to kill the CPU */
5488 LM_DisableFW(pDevice);
5489 REG_WR_OFFSET(pDevice, 0x5000, 0x400);
5490 }
5491
5492 /*
5493 * BCM4785: In order to avoid repercussions from using potentially
5494 * defective internal ROM, stop the Rx RISC CPU, which is not
5495 * required.
5496 */
5497 if (pDevice->Flags & SB_CORE_FLAG) {
5498 LM_DisableFW(pDevice);
5499 LM_HaltCpu(pDevice, T3_RX_CPU_ID);
5500 }
5501
5502 #ifdef BIG_ENDIAN_HOST
5503 /* Reconfigure the mode register. */
5504 Value32 = GRC_MODE_BYTE_SWAP_NON_FRAME_DATA |
5505 GRC_MODE_WORD_SWAP_NON_FRAME_DATA |
5506 GRC_MODE_BYTE_SWAP_DATA |
5507 GRC_MODE_WORD_SWAP_DATA;
5508 #else
5509 /* Reconfigure the mode register. */
5510 Value32 = GRC_MODE_BYTE_SWAP_NON_FRAME_DATA | GRC_MODE_BYTE_SWAP_DATA;
5511 #endif
5512 REG_WR(pDevice, Grc.Mode, Value32);
5513
5514 if ((pDevice->Flags & MINI_PCI_FLAG) &&
5515 (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5705))
5516 {
5517 pDevice->ClockCtrl |= T3_PCI_CLKRUN_OUTPUT_EN;
5518 if (pDevice->ChipRevId == T3_CHIP_ID_5705_A0)
5519 {
5520 pDevice->ClockCtrl |= T3_PCI_FORCE_CLKRUN;
5521 }
5522 REG_WR(pDevice, PciCfg.ClockCtrl, pDevice->ClockCtrl);
5523 }
5524
5525 if (pDevice->TbiFlags & ENABLE_TBI_FLAG)
5526 {
5527 pDevice->MacMode = MAC_MODE_PORT_MODE_TBI;
5528 }
5529 else if(pDevice->PhyFlags & PHY_IS_FIBER)
5530 {
5531 pDevice->MacMode = MAC_MODE_PORT_MODE_GMII;
5532 }
5533 else
5534 {
5535 pDevice->MacMode = 0;
5536 }
5537
5538 REG_WR(pDevice, MacCtrl.Mode, pDevice->MacMode);
5539 REG_RD_BACK(pDevice, MacCtrl.Mode);
5540 MM_Wait(40);
5541
5542 /* BCM4785: Don't use any firmware, so don't wait */
5543 if (!pDevice->Flags & SB_CORE_FLAG) {
5544 /* Wait for the firmware to finish initialization. */
5545 for(j = 0; j < 100000; j++) {
5546 MM_Wait(10);
5547
5548 if (j < 100)
5549 continue;
5550
5551 Value32 = MEM_RD_OFFSET(pDevice, T3_FIRMWARE_MAILBOX);
5552 if(Value32 == ~T3_MAGIC_NUM_FIRMWARE_INIT_DONE) {
5553 break;
5554 }
5555 }
5556 if ((j >= 0x100000) && (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5704)) {
5557 /* if the boot code is not running */
5558 if (LM_NVRAM_AcquireLock(pDevice) != LM_STATUS_SUCCESS) {
5559 LM_DEVICE_BLOCK *pDevice2;
5560
5561 REG_WR(pDevice, Nvram.Cmd, NVRAM_CMD_RESET);
5562 pDevice2 = MM_FindPeerDev(pDevice);
5563 if (pDevice2 && !pDevice2->InitDone)
5564 REG_WR(pDevice2, Nvram.Cmd, NVRAM_CMD_RESET);
5565 } else {
5566 LM_NVRAM_ReleaseLock(pDevice);
5567 }
5568 }
5569 }
5570
5571 if ((pDevice->Flags & PCI_EXPRESS_FLAG) &&
5572 (pDevice->ChipRevId != T3_CHIP_ID_5750_A0))
5573 {
5574 /* Enable PCIE bug fix */
5575 Value32 = REG_RD_OFFSET(pDevice, 0x7c00);
5576 REG_WR_OFFSET(pDevice, 0x7c00, Value32 | BIT_25 | BIT_29);
5577 }
5578
5579 #ifdef BCM_ASF
5580 pDevice->AsfFlags = 0;
5581 Value32 = MEM_RD_OFFSET(pDevice, T3_NIC_DATA_SIG_ADDR);
5582
5583 if (Value32 == T3_NIC_DATA_SIG)
5584 {
5585 Value32 = MEM_RD_OFFSET(pDevice, T3_NIC_DATA_NIC_CFG_ADDR);
5586 if (Value32 & T3_NIC_CFG_ENABLE_ASF)
5587 {
5588 pDevice->AsfFlags = ASF_ENABLED;
5589 if (T3_ASIC_IS_575X_PLUS(pDevice->ChipRevId))
5590 {
5591 pDevice->AsfFlags |= ASF_NEW_HANDSHAKE;
5592 }
5593 }
5594 }
5595 #endif
5596
5597 return LM_STATUS_SUCCESS;
5598 }
5599
5600
5601 LM_STATUS
5602 LM_ShutdownChip(PLM_DEVICE_BLOCK pDevice, LM_RESET_TYPE Mode)
5603 {
5604 LM_DisableFW(pDevice);
5605 LM_WritePreResetSignatures(pDevice, Mode);
5606 if (pDevice->InitDone)
5607 {
5608 LM_Abort(pDevice);
5609 }
5610 else
5611 {
5612 LM_DisableChip(pDevice);
5613 }
5614 LM_ResetChip(pDevice);
5615 LM_WriteLegacySignatures(pDevice, Mode);
5616 LM_WritePostResetSignatures(pDevice, Mode);
5617 return LM_STATUS_SUCCESS;
5618 }
5619
5620 /******************************************************************************/
5621 /* Description: */
5622 /* */
5623 /* Return: */
5624 /******************************************************************************/
5625 void
5626 LM_ServiceTxInterrupt(
5627 PLM_DEVICE_BLOCK pDevice) {
5628 PLM_PACKET pPacket;
5629 LM_UINT32 HwConIdx;
5630 LM_UINT32 SwConIdx;
5631
5632 HwConIdx = pDevice->pStatusBlkVirt->Idx[0].SendConIdx;
5633
5634 /* Get our copy of the consumer index. The buffer descriptors */
5635 /* that are in between the consumer indices are freed. */
5636 SwConIdx = pDevice->SendConIdx;
5637
5638 /* Move the packets from the TxPacketActiveQ that are sent out to */
5639 /* the TxPacketXmittedQ. Packets that are sent use the */
5640 /* descriptors that are between SwConIdx and HwConIdx. */
5641 while(SwConIdx != HwConIdx)
5642 {
5643 pPacket = pDevice->SendRing[SwConIdx];
5644 pDevice->SendRing[SwConIdx] = 0;
5645
5646 /* Set the return status. */
5647 pPacket->PacketStatus = LM_STATUS_SUCCESS;
5648
5649 /* Put the packet in the TxPacketXmittedQ for indication later. */
5650 QQ_PushTail(&pDevice->TxPacketXmittedQ.Container, pPacket);
5651
5652 /* Move to the next packet's BD. */
5653 SwConIdx = (SwConIdx + pPacket->u.Tx.FragCount) &
5654 T3_SEND_RCB_ENTRY_COUNT_MASK;
5655
5656 /* Update the number of unused BDs. */
5657 MM_ATOMIC_ADD(&pDevice->SendBdLeft, pPacket->u.Tx.FragCount);
5658
5659 /* Get the new updated HwConIdx. */
5660 HwConIdx = pDevice->pStatusBlkVirt->Idx[0].SendConIdx;
5661 } /* while */
5662
5663 /* Save the new SwConIdx. */
5664 pDevice->SendConIdx = SwConIdx;
5665
5666 } /* LM_ServiceTxInterrupt */
5667
5668
5669 #ifdef BCM_NAPI_RXPOLL
5670 /******************************************************************************/
5671 /* Description: */
5672 /* */
5673 /* Return: */
5674 /******************************************************************************/
5675 int
5676 LM_ServiceRxPoll(PLM_DEVICE_BLOCK pDevice, int limit)
5677 {
5678 PLM_PACKET pPacket=NULL;
5679 PT3_RCV_BD pRcvBd;
5680 LM_UINT32 HwRcvRetProdIdx;
5681 LM_UINT32 SwRcvRetConIdx;
5682 int received = 0;
5683
5684 /* Loop thru the receive return rings for received packets. */
5685 HwRcvRetProdIdx = pDevice->pStatusBlkVirt->Idx[0].RcvProdIdx;
5686
5687 SwRcvRetConIdx = pDevice->RcvRetConIdx;
5688 MM_RMB();
5689 while (SwRcvRetConIdx != HwRcvRetProdIdx)
5690 {
5691 pRcvBd = &pDevice->pRcvRetBdVirt[SwRcvRetConIdx];
5692
5693 /* Get the received packet descriptor. */
5694 pPacket = (PLM_PACKET) (MM_UINT_PTR(pDevice->pPacketDescBase) +
5695 MM_UINT_PTR(pRcvBd->Opaque));
5696
5697 switch(pPacket->u.Rx.RcvProdRing) {
5698 #if T3_JUMBO_RCV_RCB_ENTRY_COUNT
5699 case T3_JUMBO_RCV_PROD_RING: /* Jumbo Receive Ring. */
5700 pDevice->RxJumboRing[pPacket->u.Rx.RcvRingProdIdx] = 0;
5701 break;
5702 #endif
5703 case T3_STD_RCV_PROD_RING: /* Standard Receive Ring. */
5704 pDevice->RxStdRing[pPacket->u.Rx.RcvRingProdIdx] = 0;
5705 break;
5706 }
5707
5708 /* Check the error flag. */
5709 if(pRcvBd->ErrorFlag &&
5710 pRcvBd->ErrorFlag != RCV_BD_ERR_ODD_NIBBLED_RCVD_MII)
5711 {
5712 pPacket->PacketStatus = LM_STATUS_FAILURE;
5713
5714 pDevice->RxCounters.RxPacketErrCnt++;
5715
5716 if(pRcvBd->ErrorFlag & RCV_BD_ERR_BAD_CRC)
5717 {
5718 pDevice->RxCounters.RxErrCrcCnt++;
5719 }
5720
5721 if(pRcvBd->ErrorFlag & RCV_BD_ERR_COLL_DETECT)
5722 {
5723 pDevice->RxCounters.RxErrCollCnt++;
5724 }
5725
5726 if(pRcvBd->ErrorFlag & RCV_BD_ERR_LINK_LOST_DURING_PKT)
5727 {
5728 pDevice->RxCounters.RxErrLinkLostCnt++;
5729 }
5730
5731 if(pRcvBd->ErrorFlag & RCV_BD_ERR_PHY_DECODE_ERR)
5732 {
5733 pDevice->RxCounters.RxErrPhyDecodeCnt++;
5734 }
5735
5736 if(pRcvBd->ErrorFlag & RCV_BD_ERR_ODD_NIBBLED_RCVD_MII)
5737 {
5738 pDevice->RxCounters.RxErrOddNibbleCnt++;
5739 }
5740
5741 if(pRcvBd->ErrorFlag & RCV_BD_ERR_MAC_ABORT)
5742 {
5743 pDevice->RxCounters.RxErrMacAbortCnt++;
5744 }
5745
5746 if(pRcvBd->ErrorFlag & RCV_BD_ERR_LEN_LT_64)
5747 {
5748 pDevice->RxCounters.RxErrShortPacketCnt++;
5749 }
5750
5751 if(pRcvBd->ErrorFlag & RCV_BD_ERR_TRUNC_NO_RESOURCES)
5752 {
5753 pDevice->RxCounters.RxErrNoResourceCnt++;
5754 }
5755
5756 if(pRcvBd->ErrorFlag & RCV_BD_ERR_GIANT_FRAME_RCVD)
5757 {
5758 pDevice->RxCounters.RxErrLargePacketCnt++;
5759 }
5760 }
5761 else
5762 {
5763 pPacket->PacketStatus = LM_STATUS_SUCCESS;
5764 pPacket->PacketSize = pRcvBd->Len - 4;
5765
5766 pPacket->Flags = pRcvBd->Flags;
5767 if(pRcvBd->Flags & RCV_BD_FLAG_VLAN_TAG)
5768 {
5769 pPacket->VlanTag = pRcvBd->VlanTag;
5770 }
5771
5772 pPacket->u.Rx.TcpUdpChecksum = pRcvBd->TcpUdpCksum;
5773 }
5774
5775 /* Put the packet descriptor containing the received packet */
5776 /* buffer in the RxPacketReceivedQ for indication later. */
5777 QQ_PushTail(&pDevice->RxPacketReceivedQ.Container, pPacket);
5778
5779 /* Go to the next buffer descriptor. */
5780 SwRcvRetConIdx = (SwRcvRetConIdx + 1) &
5781 pDevice->RcvRetRcbEntryCountMask;
5782
5783 if (++received >= limit)
5784 {
5785 break;
5786 }
5787 } /* while */
5788
5789 pDevice->RcvRetConIdx = SwRcvRetConIdx;
5790
5791 /* Update the receive return ring consumer index. */
5792 MB_REG_WR(pDevice, Mailbox.RcvRetConIdx[0].Low, SwRcvRetConIdx);
5793 if (pDevice->Flags & FLUSH_POSTED_WRITE_FLAG)
5794 {
5795 MB_REG_RD(pDevice, Mailbox.RcvRetConIdx[0].Low);
5796 }
5797 else
5798 {
5799 MM_MMIOWB();
5800 }
5801 return received;
5802 } /* LM_ServiceRxPoll */
5803 #endif /* BCM_NAPI_RXPOLL */
5804
5805
5806 /******************************************************************************/
5807 /* Description: */
5808 /* */
5809 /* Return: */
5810 /******************************************************************************/
5811 void
5812 LM_ServiceRxInterrupt(PLM_DEVICE_BLOCK pDevice)
5813 {
5814 #ifndef BCM_NAPI_RXPOLL
5815 PLM_PACKET pPacket;
5816 PT3_RCV_BD pRcvBd;
5817 #endif
5818 LM_UINT32 HwRcvRetProdIdx;
5819 LM_UINT32 SwRcvRetConIdx;
5820
5821 /* Loop thru the receive return rings for received packets. */
5822 HwRcvRetProdIdx = pDevice->pStatusBlkVirt->Idx[0].RcvProdIdx;
5823
5824 SwRcvRetConIdx = pDevice->RcvRetConIdx;
5825 #ifdef BCM_NAPI_RXPOLL
5826 if (!pDevice->RxPoll)
5827 {
5828 if (SwRcvRetConIdx != HwRcvRetProdIdx)
5829 {
5830 if (MM_ScheduleRxPoll(pDevice) == LM_STATUS_SUCCESS)
5831 {
5832 pDevice->RxPoll = TRUE;
5833 REG_WR(pDevice, Grc.Mode,
5834 pDevice->GrcMode | GRC_MODE_NO_INTERRUPT_ON_RECEIVE);
5835 }
5836 }
5837 }
5838 #else
5839 MM_RMB();
5840 while(SwRcvRetConIdx != HwRcvRetProdIdx)
5841 {
5842 pRcvBd = &pDevice->pRcvRetBdVirt[SwRcvRetConIdx];
5843
5844 /* Get the received packet descriptor. */
5845 pPacket = (PLM_PACKET) (MM_UINT_PTR(pDevice->pPacketDescBase) +
5846 MM_UINT_PTR(pRcvBd->Opaque));
5847
5848 switch(pPacket->u.Rx.RcvProdRing) {
5849 #if T3_JUMBO_RCV_RCB_ENTRY_COUNT
5850 case T3_JUMBO_RCV_PROD_RING: /* Jumbo Receive Ring. */
5851 pDevice->RxJumboRing[pPacket->u.Rx.RcvRingProdIdx] = 0;
5852 break;
5853 #endif
5854 case T3_STD_RCV_PROD_RING: /* Standard Receive Ring. */
5855 pDevice->RxStdRing[pPacket->u.Rx.RcvRingProdIdx] = 0;
5856 break;
5857 }
5858
5859 /* Check the error flag. */
5860 if(pRcvBd->ErrorFlag &&
5861 pRcvBd->ErrorFlag != RCV_BD_ERR_ODD_NIBBLED_RCVD_MII)
5862 {
5863 pPacket->PacketStatus = LM_STATUS_FAILURE;
5864
5865 pDevice->RxCounters.RxPacketErrCnt++;
5866
5867 if(pRcvBd->ErrorFlag & RCV_BD_ERR_BAD_CRC)
5868 {
5869 pDevice->RxCounters.RxErrCrcCnt++;
5870 }
5871
5872 if(pRcvBd->ErrorFlag & RCV_BD_ERR_COLL_DETECT)
5873 {
5874 pDevice->RxCounters.RxErrCollCnt++;
5875 }
5876
5877 if(pRcvBd->ErrorFlag & RCV_BD_ERR_LINK_LOST_DURING_PKT)
5878 {
5879 pDevice->RxCounters.RxErrLinkLostCnt++;
5880 }
5881
5882 if(pRcvBd->ErrorFlag & RCV_BD_ERR_PHY_DECODE_ERR)
5883 {
5884 pDevice->RxCounters.RxErrPhyDecodeCnt++;
5885 }
5886
5887 if(pRcvBd->ErrorFlag & RCV_BD_ERR_ODD_NIBBLED_RCVD_MII)
5888 {
5889 pDevice->RxCounters.RxErrOddNibbleCnt++;
5890 }
5891
5892 if(pRcvBd->ErrorFlag & RCV_BD_ERR_MAC_ABORT)
5893 {
5894 pDevice->RxCounters.RxErrMacAbortCnt++;
5895 }
5896
5897 if(pRcvBd->ErrorFlag & RCV_BD_ERR_LEN_LT_64)
5898 {
5899 pDevice->RxCounters.RxErrShortPacketCnt++;
5900 }
5901
5902 if(pRcvBd->ErrorFlag & RCV_BD_ERR_TRUNC_NO_RESOURCES)
5903 {
5904 pDevice->RxCounters.RxErrNoResourceCnt++;
5905 }
5906
5907 if(pRcvBd->ErrorFlag & RCV_BD_ERR_GIANT_FRAME_RCVD)
5908 {
5909 pDevice->RxCounters.RxErrLargePacketCnt++;
5910 }
5911 }
5912 else
5913 {
5914 pPacket->PacketStatus = LM_STATUS_SUCCESS;
5915 pPacket->PacketSize = pRcvBd->Len - 4;
5916
5917 pPacket->Flags = pRcvBd->Flags;
5918 if(pRcvBd->Flags & RCV_BD_FLAG_VLAN_TAG)
5919 {
5920 pPacket->VlanTag = pRcvBd->VlanTag;
5921 }
5922
5923 pPacket->u.Rx.TcpUdpChecksum = pRcvBd->TcpUdpCksum;
5924 }
5925
5926 /* Put the packet descriptor containing the received packet */
5927 /* buffer in the RxPacketReceivedQ for indication later. */
5928 QQ_PushTail(&pDevice->RxPacketReceivedQ.Container, pPacket);
5929
5930 /* Go to the next buffer descriptor. */
5931 SwRcvRetConIdx = (SwRcvRetConIdx + 1) &
5932 pDevice->RcvRetRcbEntryCountMask;
5933
5934 } /* while */
5935
5936 pDevice->RcvRetConIdx = SwRcvRetConIdx;
5937
5938 /* Update the receive return ring consumer index. */
5939 MB_REG_WR(pDevice, Mailbox.RcvRetConIdx[0].Low, SwRcvRetConIdx);
5940 if (pDevice->Flags & FLUSH_POSTED_WRITE_FLAG)
5941 {
5942 MB_REG_RD(pDevice, Mailbox.RcvRetConIdx[0].Low);
5943 }
5944 else
5945 {
5946 MM_MMIOWB();
5947 }
5948
5949 #endif
5950 } /* LM_ServiceRxInterrupt */
5951
5952
5953
5954 /******************************************************************************/
5955 /* Description: */
5956 /* This is the interrupt event handler routine. It acknowledges all */
5957 /* pending interrupts and process all pending events. */
5958 /* */
5959 /* Return: */
5960 /* LM_STATUS_SUCCESS */
5961 /******************************************************************************/
5962 LM_STATUS
5963 LM_ServiceInterrupts(
5964 PLM_DEVICE_BLOCK pDevice)
5965 {
5966 LM_UINT32 Value32;
5967 int ServicePhyInt = FALSE;
5968
5969 /* Setup the phy chip whenever the link status changes. */
5970 if(pDevice->LinkChngMode == T3_LINK_CHNG_MODE_USE_STATUS_REG)
5971 {
5972 Value32 = REG_RD(pDevice, MacCtrl.Status);
5973 if(pDevice->PhyIntMode == T3_PHY_INT_MODE_MI_INTERRUPT)
5974 {
5975 if (Value32 & MAC_STATUS_MI_INTERRUPT)
5976 {
5977 ServicePhyInt = TRUE;
5978 }
5979 }
5980 else if(Value32 & MAC_STATUS_LINK_STATE_CHANGED)
5981 {
5982 ServicePhyInt = TRUE;
5983 }
5984 }
5985 else
5986 {
5987 if(pDevice->pStatusBlkVirt->Status & STATUS_BLOCK_LINK_CHANGED_STATUS)
5988 {
5989 pDevice->pStatusBlkVirt->Status = STATUS_BLOCK_UPDATED |
5990 (pDevice->pStatusBlkVirt->Status & ~STATUS_BLOCK_LINK_CHANGED_STATUS);
5991 ServicePhyInt = TRUE;
5992 }
5993 }
5994 #ifdef INCLUDE_TBI_SUPPORT
5995 if (pDevice->IgnoreTbiLinkChange == TRUE)
5996 {
5997 ServicePhyInt = FALSE;
5998 }
5999 #endif
6000 if (ServicePhyInt == TRUE)
6001 {
6002 MM_ACQUIRE_PHY_LOCK_IN_IRQ(pDevice);
6003 LM_SetupPhy(pDevice);
6004 MM_RELEASE_PHY_LOCK_IN_IRQ(pDevice);
6005 }
6006
6007 /* Service receive and transmit interrupts. */
6008 LM_ServiceRxInterrupt(pDevice);
6009 LM_ServiceTxInterrupt(pDevice);
6010
6011 #ifndef BCM_NAPI_RXPOLL
6012 /* No spinlock for this queue since this routine is serialized. */
6013 if(!QQ_Empty(&pDevice->RxPacketReceivedQ.Container))
6014 {
6015 /* Indicate receive packets. */
6016 MM_IndicateRxPackets(pDevice);
6017 }
6018 #endif
6019
6020 /* No spinlock for this queue since this routine is serialized. */
6021 if(!QQ_Empty(&pDevice->TxPacketXmittedQ.Container))
6022 {
6023 MM_IndicateTxPackets(pDevice);
6024 }
6025
6026 return LM_STATUS_SUCCESS;
6027 } /* LM_ServiceInterrupts */
6028
6029
6030 /******************************************************************************/
6031 /* Description: Add a Multicast address. Note that MC addresses, once added, */
6032 /* cannot be individually deleted. All addresses must be */
6033 /* cleared. */
6034 /* */
6035 /* Return: */
6036 /******************************************************************************/
6037 LM_STATUS
6038 LM_MulticastAdd(LM_DEVICE_BLOCK *pDevice, PLM_UINT8 pMcAddress)
6039 {
6040
6041 LM_UINT32 RegIndex;
6042 LM_UINT32 Bitpos;
6043 LM_UINT32 Crc32;
6044
6045 Crc32 = ComputeCrc32(pMcAddress, ETHERNET_ADDRESS_SIZE);
6046
6047 /* The most significant 7 bits of the CRC32 (no inversion), */
6048 /* are used to index into one of the possible 128 bit positions. */
6049 Bitpos = ~Crc32 & 0x7f;
6050
6051 /* Hash register index. */
6052 RegIndex = (Bitpos & 0x60) >> 5;
6053
6054 /* Bit to turn on within a hash register. */
6055 Bitpos &= 0x1f;
6056
6057 /* Enable the multicast bit. */
6058 pDevice->MulticastHash[RegIndex] |= (1 << Bitpos);
6059
6060 LM_SetReceiveMask(pDevice, pDevice->ReceiveMask | LM_ACCEPT_MULTICAST);
6061
6062 return LM_STATUS_SUCCESS;
6063 }
6064
6065
6066 /******************************************************************************/
6067 /* Description: */
6068 /* */
6069 /* Return: */
6070 /******************************************************************************/
6071 LM_STATUS
6072 LM_MulticastDel(LM_DEVICE_BLOCK *pDevice, PLM_UINT8 pMcAddress)
6073 {
6074 return LM_STATUS_FAILURE;
6075 } /* LM_MulticastDel */
6076
6077
6078
6079 /******************************************************************************/
6080 /* Description: */
6081 /* */
6082 /* Return: */
6083 /******************************************************************************/
6084 LM_STATUS
6085 LM_MulticastClear(LM_DEVICE_BLOCK *pDevice)
6086 {
6087 int i;
6088
6089 for (i = 0; i < 4; i++)
6090 {
6091 pDevice->MulticastHash[i] = 0;
6092 }
6093 LM_SetReceiveMask(pDevice, pDevice->ReceiveMask & ~LM_ACCEPT_MULTICAST);
6094
6095 return LM_STATUS_SUCCESS;
6096 } /* LM_MulticastClear */
6097
6098
6099
6100 /******************************************************************************/
6101 /* Description: */
6102 /* */
6103 /* Return: */
6104 /******************************************************************************/
6105 LM_STATUS
6106 LM_SetMacAddress(
6107 PLM_DEVICE_BLOCK pDevice,
6108 PLM_UINT8 pMacAddress)
6109 {
6110 LM_UINT32 j;
6111
6112 for(j = 0; j < 4; j++)
6113 {
6114 REG_WR(pDevice, MacCtrl.MacAddr[j].High,
6115 (pMacAddress[0] << 8) | pMacAddress[1]);
6116 REG_WR(pDevice, MacCtrl.MacAddr[j].Low,
6117 (pMacAddress[2] << 24) | (pMacAddress[3] << 16) |
6118 (pMacAddress[4] << 8) | pMacAddress[5]);
6119 }
6120
6121 if ((T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5703) ||
6122 (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5704))
6123 {
6124 for (j = 0; j < 12; j++)
6125 {
6126 REG_WR(pDevice, MacCtrl.MacAddrExt[j].High,
6127 (pMacAddress[0] << 8) | pMacAddress[1]);
6128 REG_WR(pDevice, MacCtrl.MacAddrExt[j].Low,
6129 (pMacAddress[2] << 24) | (pMacAddress[3] << 16) |
6130 (pMacAddress[4] << 8) | pMacAddress[5]);
6131 }
6132 }
6133 return LM_STATUS_SUCCESS;
6134 }
6135
6136 LM_VOID
6137 LM_PhyTapPowerMgmt(LM_DEVICE_BLOCK *pDevice)
6138 {
6139 /* Turn off tap power management. */
6140 if((pDevice->PhyId & PHY_ID_MASK) == PHY_BCM5401_PHY_ID)
6141 {
6142 LM_WritePhy(pDevice, BCM5401_AUX_CTRL, 0x4c20);
6143 LM_WritePhy(pDevice, BCM540X_DSP_ADDRESS_REG, 0x0012);
6144 LM_WritePhy(pDevice, BCM540X_DSP_RW_PORT, 0x1804);
6145 LM_WritePhy(pDevice, BCM540X_DSP_ADDRESS_REG, 0x0013);
6146 LM_WritePhy(pDevice, BCM540X_DSP_RW_PORT, 0x1204);
6147 LM_WritePhy(pDevice, BCM540X_DSP_ADDRESS_REG, 0x8006);
6148 LM_WritePhy(pDevice, BCM540X_DSP_RW_PORT, 0x0132);
6149 LM_WritePhy(pDevice, BCM540X_DSP_ADDRESS_REG, 0x8006);
6150 LM_WritePhy(pDevice, BCM540X_DSP_RW_PORT, 0x0232);
6151 LM_WritePhy(pDevice, BCM540X_DSP_ADDRESS_REG, 0x201f);
6152 LM_WritePhy(pDevice, BCM540X_DSP_RW_PORT, 0x0a20);
6153
6154 MM_Wait(40);
6155 }
6156 }
6157
6158 /******************************************************************************/
6159 /* Description: */
6160 /* */
6161 /* Return: */
6162 /* LM_STATUS_LINK_ACTIVE */
6163 /* LM_STATUS_LINK_DOWN */
6164 /******************************************************************************/
6165 static LM_STATUS
6166 LM_InitBcm540xPhy(
6167 PLM_DEVICE_BLOCK pDevice)
6168 {
6169 LM_LINE_SPEED CurrentLineSpeed;
6170 LM_DUPLEX_MODE CurrentDuplexMode;
6171 LM_STATUS CurrentLinkStatus;
6172 LM_UINT32 Value32;
6173 LM_UINT32 j;
6174 robo_info_t *robo;
6175
6176 LM_WritePhy(pDevice, BCM5401_AUX_CTRL, 0x02);
6177
6178 if ((pDevice->PhyFlags & PHY_RESET_ON_LINKDOWN) &&
6179 (pDevice->LinkStatus == LM_STATUS_LINK_ACTIVE))
6180 {
6181 LM_ReadPhy(pDevice, PHY_STATUS_REG, &Value32);
6182 LM_ReadPhy(pDevice, PHY_STATUS_REG, &Value32);
6183 if(!(Value32 & PHY_STATUS_LINK_PASS))
6184 {
6185 LM_ResetPhy(pDevice);
6186 }
6187 }
6188 if((pDevice->PhyId & PHY_ID_MASK) == PHY_BCM5401_PHY_ID)
6189 {
6190 LM_ReadPhy(pDevice, PHY_STATUS_REG, &Value32);
6191 LM_ReadPhy(pDevice, PHY_STATUS_REG, &Value32);
6192
6193 if(!pDevice->InitDone)
6194 {
6195 Value32 = 0;
6196 }
6197
6198 if(!(Value32 & PHY_STATUS_LINK_PASS))
6199 {
6200 LM_PhyTapPowerMgmt(pDevice);
6201
6202 LM_ReadPhy(pDevice, PHY_STATUS_REG, &Value32);
6203 for(j = 0; j < 1000; j++)
6204 {
6205 MM_Wait(10);
6206
6207 LM_ReadPhy(pDevice, PHY_STATUS_REG, &Value32);
6208 if(Value32 & PHY_STATUS_LINK_PASS)
6209 {
6210 MM_Wait(40);
6211 break;
6212 }
6213 }
6214
6215 if((pDevice->PhyId & PHY_ID_REV_MASK) == PHY_BCM5401_B0_REV)
6216 {
6217 if(!(Value32 & PHY_STATUS_LINK_PASS) &&
6218 (pDevice->OldLineSpeed == LM_LINE_SPEED_1000MBPS))
6219 {
6220 LM_ResetPhy(pDevice);
6221 }
6222 }
6223 }
6224 }
6225 else if(pDevice->ChipRevId == T3_CHIP_ID_5701_A0 ||
6226 pDevice->ChipRevId == T3_CHIP_ID_5701_B0)
6227 {
6228 LM_WritePhy(pDevice, 0x15, 0x0a75);
6229 LM_WritePhy(pDevice, 0x1c, 0x8c68);
6230 LM_WritePhy(pDevice, 0x1c, 0x8d68);
6231 LM_WritePhy(pDevice, 0x1c, 0x8c68);
6232 }
6233
6234 /* Acknowledge interrupts. */
6235 LM_ReadPhy(pDevice, BCM540X_INT_STATUS_REG, &Value32);
6236 LM_ReadPhy(pDevice, BCM540X_INT_STATUS_REG, &Value32);
6237
6238 /* Configure the interrupt mask. */
6239 if(pDevice->PhyIntMode == T3_PHY_INT_MODE_MI_INTERRUPT)
6240 {
6241 LM_WritePhy(pDevice, BCM540X_INT_MASK_REG, ~BCM540X_INT_LINK_CHANGE);
6242 }
6243
6244 /* Configure PHY led mode. */
6245 if(T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5701 ||
6246 (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5700))
6247 {
6248 if(pDevice->LedCtrl == LED_CTRL_PHY_MODE_1)
6249 {
6250 LM_WritePhy(pDevice, BCM540X_EXT_CTRL_REG,
6251 BCM540X_EXT_CTRL_LINK3_LED_MODE);
6252 }
6253 else
6254 {
6255 LM_WritePhy(pDevice, BCM540X_EXT_CTRL_REG, 0);
6256 }
6257 }
6258 else if((pDevice->PhyId & PHY_ID_MASK) == PHY_BCM5461_PHY_ID)
6259 {
6260 /*
6261 ** Set up the 'link' LED for the 4785+5461 combo,
6262 ** using the INTR/ENERGYDET pin (on the BCM4785 bringup board).
6263 */
6264 LM_WritePhy( pDevice,
6265 BCM546X_1c_SHADOW_REG,
6266 (BCM546X_1c_SPR_CTRL_2 | BCM546X_1c_WR_EN | BCM546X_1c_SP2_NRG_DET) );
6267
6268 /*
6269 ** Set up the LINK LED mode for the 4785+5461 combo,
6270 ** using the 5461 SLAVE/ANEN pin (on the BCM4785 bringup board) as
6271 ** active low link status (phy ready) feedback to the 4785
6272 */
6273 LM_WritePhy( pDevice,
6274 BCM546X_1c_SHADOW_REG,
6275 (BCM546X_1c_SPR_CTRL_1 | BCM546X_1c_WR_EN | BCM546X_1c_SP1_LINK_LED) );
6276 }
6277
6278 if (pDevice->PhyFlags & PHY_CAPACITIVE_COUPLING)
6279 {
6280 LM_WritePhy(pDevice, BCM5401_AUX_CTRL, 0x4007);
6281 LM_ReadPhy(pDevice, BCM5401_AUX_CTRL, &Value32);
6282 if (!(Value32 & BIT_10))
6283 {
6284 /* set the bit and re-link */
6285 LM_WritePhy(pDevice, BCM5401_AUX_CTRL, Value32 | BIT_10);
6286 return LM_STATUS_LINK_SETTING_MISMATCH;
6287 }
6288 }
6289
6290 CurrentLinkStatus = LM_STATUS_LINK_DOWN;
6291
6292 if(UNKNOWN_PHY_ID(pDevice->PhyId) && (pDevice->Flags & ROBO_SWITCH_FLAG)) {
6293 B57_INFO(("Force to active link of 1000 MBPS and full duplex mod.\n"));
6294 CurrentLinkStatus = LM_STATUS_LINK_ACTIVE;
6295
6296 /* Set the line speed based on the robo switch type */
6297 robo = ((PUM_DEVICE_BLOCK)pDevice)->robo;
6298 if (robo->devid == DEVID5325)
6299 {
6300 CurrentLineSpeed = LM_LINE_SPEED_100MBPS;
6301 }
6302 else
6303 {
6304 CurrentLineSpeed = LM_LINE_SPEED_1000MBPS;
6305 }
6306 CurrentDuplexMode = LM_DUPLEX_MODE_FULL;
6307
6308 /* Save line settings. */
6309 pDevice->LineSpeed = CurrentLineSpeed;
6310 pDevice->DuplexMode = CurrentDuplexMode;
6311 } else {
6312
6313 /* Get current link and duplex mode. */
6314 for(j = 0; j < 100; j++)
6315 {
6316 LM_ReadPhy(pDevice, PHY_STATUS_REG, &Value32);
6317 LM_ReadPhy(pDevice, PHY_STATUS_REG, &Value32);
6318
6319 if(Value32 & PHY_STATUS_LINK_PASS)
6320 {
6321 break;
6322 }
6323 MM_Wait(40);
6324 }
6325
6326 if(Value32 & PHY_STATUS_LINK_PASS)
6327 {
6328
6329 /* Determine the current line and duplex settings. */
6330 LM_ReadPhy(pDevice, BCM540X_AUX_STATUS_REG, &Value32);
6331 for(j = 0; j < 2000; j++)
6332 {
6333 MM_Wait(10);
6334
6335 LM_ReadPhy(pDevice, BCM540X_AUX_STATUS_REG, &Value32);
6336 if(Value32)
6337 {
6338 break;
6339 }
6340 }
6341
6342 switch(Value32 & BCM540X_AUX_SPEED_MASK)
6343 {
6344 case BCM540X_AUX_10BASET_HD:
6345 CurrentLineSpeed = LM_LINE_SPEED_10MBPS;
6346 CurrentDuplexMode = LM_DUPLEX_MODE_HALF;
6347 break;
6348
6349 case BCM540X_AUX_10BASET_FD:
6350 CurrentLineSpeed = LM_LINE_SPEED_10MBPS;
6351 CurrentDuplexMode = LM_DUPLEX_MODE_FULL;
6352 break;
6353
6354 case BCM540X_AUX_100BASETX_HD:
6355 CurrentLineSpeed = LM_LINE_SPEED_100MBPS;
6356 CurrentDuplexMode = LM_DUPLEX_MODE_HALF;
6357 break;
6358
6359 case BCM540X_AUX_100BASETX_FD:
6360 CurrentLineSpeed = LM_LINE_SPEED_100MBPS;
6361 CurrentDuplexMode = LM_DUPLEX_MODE_FULL;
6362 break;
6363
6364 case BCM540X_AUX_100BASET_HD:
6365 CurrentLineSpeed = LM_LINE_SPEED_1000MBPS;
6366 CurrentDuplexMode = LM_DUPLEX_MODE_HALF;
6367 break;
6368
6369 case BCM540X_AUX_100BASET_FD:
6370 CurrentLineSpeed = LM_LINE_SPEED_1000MBPS;
6371 CurrentDuplexMode = LM_DUPLEX_MODE_FULL;
6372 break;
6373
6374 default:
6375
6376 CurrentLineSpeed = LM_LINE_SPEED_UNKNOWN;
6377 CurrentDuplexMode = LM_DUPLEX_MODE_UNKNOWN;
6378 break;
6379 }
6380
6381 /* Make sure we are in auto-neg mode. */
6382 for (j = 0; j < 200; j++)
6383 {
6384 LM_ReadPhy(pDevice, PHY_CTRL_REG, &Value32);
6385 if(Value32 && Value32 != 0x7fff)
6386 {
6387 break;
6388 }
6389
6390 if(Value32 == 0 &&
6391 pDevice->RequestedLineSpeed == LM_LINE_SPEED_10MBPS &&
6392 pDevice->RequestedDuplexMode == LM_DUPLEX_MODE_HALF)
6393 {
6394 break;
6395 }
6396
6397 MM_Wait(10);
6398 }
6399
6400 /* Use the current line settings for "auto" mode. */
6401 if(pDevice->RequestedLineSpeed == LM_LINE_SPEED_AUTO)
6402 {
6403 if(Value32 & PHY_CTRL_AUTO_NEG_ENABLE)
6404 {
6405 CurrentLinkStatus = LM_STATUS_LINK_ACTIVE;
6406
6407 /* We may be exiting low power mode and the link is in */
6408 /* 10mb. In this case, we need to restart autoneg. */
6409
6410 if (LM_PhyAdvertiseAll(pDevice) != LM_STATUS_SUCCESS)
6411 {
6412 CurrentLinkStatus = LM_STATUS_LINK_SETTING_MISMATCH;
6413 }
6414 }
6415 else
6416 {
6417 CurrentLinkStatus = LM_STATUS_LINK_SETTING_MISMATCH;
6418 }
6419 }
6420 else
6421 {
6422 /* Force line settings. */
6423 /* Use the current setting if it matches the user's requested */
6424 /* setting. */
6425 LM_ReadPhy(pDevice, PHY_CTRL_REG, &Value32);
6426 if((pDevice->LineSpeed == CurrentLineSpeed) &&
6427 (pDevice->DuplexMode == CurrentDuplexMode))
6428 {
6429 if ((pDevice->DisableAutoNeg &&
6430 !(Value32 & PHY_CTRL_AUTO_NEG_ENABLE)) ||
6431 (!pDevice->DisableAutoNeg &&
6432 (Value32 & PHY_CTRL_AUTO_NEG_ENABLE)))
6433 {
6434 CurrentLinkStatus = LM_STATUS_LINK_ACTIVE;
6435 }
6436 else
6437 {
6438 CurrentLinkStatus = LM_STATUS_LINK_SETTING_MISMATCH;
6439 }
6440 }
6441 else
6442 {
6443 CurrentLinkStatus = LM_STATUS_LINK_SETTING_MISMATCH;
6444 }
6445 }
6446
6447 /* Save line settings. */
6448 pDevice->LineSpeed = CurrentLineSpeed;
6449 pDevice->DuplexMode = CurrentDuplexMode;
6450 }
6451 }
6452
6453 return CurrentLinkStatus;
6454 } /* LM_InitBcm540xPhy */
6455
6456 /******************************************************************************/
6457 /* Description: */
6458 /* */
6459 /* Return: */
6460 /******************************************************************************/
6461 LM_STATUS
6462 LM_SetFlowControl(
6463 PLM_DEVICE_BLOCK pDevice,
6464 LM_UINT32 LocalPhyAd,
6465 LM_UINT32 RemotePhyAd)
6466 {
6467 LM_FLOW_CONTROL FlowCap;
6468
6469 /* Resolve flow control. */
6470 FlowCap = LM_FLOW_CONTROL_NONE;
6471
6472 /* See Table 28B-3 of 802.3ab-1999 spec. */
6473 if(pDevice->FlowControlCap & LM_FLOW_CONTROL_AUTO_PAUSE)
6474 {
6475 if(pDevice->PhyFlags & PHY_IS_FIBER){
6476 LocalPhyAd &= ~(PHY_AN_AD_ASYM_PAUSE |
6477 PHY_AN_AD_PAUSE_CAPABLE);
6478 RemotePhyAd &= ~(PHY_AN_AD_ASYM_PAUSE |
6479 PHY_AN_AD_PAUSE_CAPABLE);
6480
6481 if (LocalPhyAd & PHY_AN_AD_1000XPAUSE)
6482 LocalPhyAd |= PHY_AN_AD_PAUSE_CAPABLE;
6483 if (LocalPhyAd & PHY_AN_AD_1000XPSE_ASYM)
6484 LocalPhyAd |= PHY_AN_AD_ASYM_PAUSE;
6485 if (RemotePhyAd & PHY_AN_AD_1000XPAUSE)
6486 RemotePhyAd |= PHY_LINK_PARTNER_PAUSE_CAPABLE;
6487 if (RemotePhyAd & PHY_AN_AD_1000XPSE_ASYM)
6488 RemotePhyAd |= PHY_LINK_PARTNER_ASYM_PAUSE;
6489 }
6490
6491 if(LocalPhyAd & PHY_AN_AD_PAUSE_CAPABLE)
6492 {
6493 if(LocalPhyAd & PHY_AN_AD_ASYM_PAUSE)
6494 {
6495 if(RemotePhyAd & PHY_LINK_PARTNER_PAUSE_CAPABLE)
6496 {
6497 FlowCap = LM_FLOW_CONTROL_TRANSMIT_PAUSE |
6498 LM_FLOW_CONTROL_RECEIVE_PAUSE;
6499 }
6500 else if(RemotePhyAd & PHY_LINK_PARTNER_ASYM_PAUSE)
6501 {
6502 FlowCap = LM_FLOW_CONTROL_RECEIVE_PAUSE;
6503 }
6504 }
6505 else
6506 {
6507 if(RemotePhyAd & PHY_LINK_PARTNER_PAUSE_CAPABLE)
6508 {
6509 FlowCap = LM_FLOW_CONTROL_TRANSMIT_PAUSE |
6510 LM_FLOW_CONTROL_RECEIVE_PAUSE;
6511 }
6512 }
6513 }
6514 else if(LocalPhyAd & PHY_AN_AD_ASYM_PAUSE)
6515 {
6516 if((RemotePhyAd & PHY_LINK_PARTNER_PAUSE_CAPABLE) &&
6517 (RemotePhyAd & PHY_LINK_PARTNER_ASYM_PAUSE))
6518 {
6519 FlowCap = LM_FLOW_CONTROL_TRANSMIT_PAUSE;
6520 }
6521 }
6522 }
6523 else
6524 {
6525 FlowCap = pDevice->FlowControlCap;
6526 }
6527
6528 pDevice->FlowControl = LM_FLOW_CONTROL_NONE;
6529
6530 /* Enable/disable rx PAUSE. */
6531 pDevice->RxMode &= ~RX_MODE_ENABLE_FLOW_CONTROL;
6532 if(FlowCap & LM_FLOW_CONTROL_RECEIVE_PAUSE &&
6533 (pDevice->FlowControlCap == LM_FLOW_CONTROL_AUTO_PAUSE ||
6534 pDevice->FlowControlCap & LM_FLOW_CONTROL_RECEIVE_PAUSE))
6535 {
6536 pDevice->FlowControl |= LM_FLOW_CONTROL_RECEIVE_PAUSE;
6537 pDevice->RxMode |= RX_MODE_ENABLE_FLOW_CONTROL;
6538
6539 }
6540 REG_WR(pDevice, MacCtrl.RxMode, pDevice->RxMode);
6541
6542 /* Enable/disable tx PAUSE. */
6543 pDevice->TxMode &= ~TX_MODE_ENABLE_FLOW_CONTROL;
6544 if(FlowCap & LM_FLOW_CONTROL_TRANSMIT_PAUSE &&
6545 (pDevice->FlowControlCap == LM_FLOW_CONTROL_AUTO_PAUSE ||
6546 pDevice->FlowControlCap & LM_FLOW_CONTROL_TRANSMIT_PAUSE))
6547 {
6548 pDevice->FlowControl |= LM_FLOW_CONTROL_TRANSMIT_PAUSE;
6549 pDevice->TxMode |= TX_MODE_ENABLE_FLOW_CONTROL;
6550
6551 }
6552 REG_WR(pDevice, MacCtrl.TxMode, pDevice->TxMode);
6553
6554 return LM_STATUS_SUCCESS;
6555 }
6556
6557
6558 #ifdef INCLUDE_TBI_SUPPORT
6559 /******************************************************************************/
6560 /* Description: */
6561 /* */
6562 /* Return: */
6563 /******************************************************************************/
6564 STATIC LM_STATUS
6565 LM_InitBcm800xPhy(
6566 PLM_DEVICE_BLOCK pDevice)
6567 {
6568 LM_UINT32 Value32;
6569 LM_UINT32 j;
6570
6571
6572 Value32 = REG_RD(pDevice, MacCtrl.Status);
6573
6574 /* Reset the SERDES during init and when we have link. */
6575 if(!pDevice->InitDone || Value32 & MAC_STATUS_PCS_SYNCED)
6576 {
6577 /* Set PLL lock range. */
6578 LM_WritePhy(pDevice, 0x16, 0x8007);
6579
6580 /* Software reset. */
6581 LM_WritePhy(pDevice, 0x00, 0x8000);
6582
6583 /* Wait for reset to complete. */
6584 for(j = 0; j < 500; j++)
6585 {
6586 MM_Wait(10);
6587 }
6588
6589 /* Config mode; seletct PMA/Ch 1 regs. */
6590 LM_WritePhy(pDevice, 0x10, 0x8411);
6591
6592 /* Enable auto-lock and comdet, select txclk for tx. */
6593 LM_WritePhy(pDevice, 0x11, 0x0a10);
6594
6595 LM_WritePhy(pDevice, 0x18, 0x00a0);
6596 LM_WritePhy(pDevice, 0x16, 0x41ff);
6597
6598 /* Assert and deassert POR. */
6599 LM_WritePhy(pDevice, 0x13, 0x0400);
6600 MM_Wait(40);
6601 LM_WritePhy(pDevice, 0x13, 0x0000);
6602
6603 LM_WritePhy(pDevice, 0x11, 0x0a50);
6604 MM_Wait(40);
6605 LM_WritePhy(pDevice, 0x11, 0x0a10);
6606
6607 /* Delay for signal to stabilize. */
6608 for(j = 0; j < 15000; j++)
6609 {
6610 MM_Wait(10);
6611 }
6612
6613 /* Deselect the channel register so we can read the PHY id later. */
6614 LM_WritePhy(pDevice, 0x10, 0x8011);
6615 }
6616
6617 return LM_STATUS_SUCCESS;
6618 }
6619
6620
6621
6622 /******************************************************************************/
6623 /* Description: */
6624 /* */
6625 /* Return: */
6626 /******************************************************************************/
6627 STATIC LM_STATUS
6628 LM_SetupFiberPhy(
6629 PLM_DEVICE_BLOCK pDevice)
6630 {
6631 LM_STATUS CurrentLinkStatus;
6632 AUTONEG_STATUS AnStatus = 0;
6633 LM_UINT32 Value32;
6634 LM_UINT32 Cnt;
6635 LM_UINT32 j, k;
6636 LM_UINT32 MacStatus, RemotePhyAd, LocalPhyAd;
6637 LM_FLOW_CONTROL PreviousFlowControl = pDevice->FlowControl;
6638
6639
6640 if (pDevice->LoopBackMode == LM_MAC_LOOP_BACK_MODE)
6641 {
6642 pDevice->LinkStatus = LM_STATUS_LINK_ACTIVE;
6643 MM_IndicateStatus(pDevice, LM_STATUS_LINK_ACTIVE);
6644 return LM_STATUS_SUCCESS;
6645 }
6646
6647
6648 if ((T3_ASIC_REV(pDevice->ChipRevId) != T3_ASIC_REV_5704) &&
6649 (pDevice->LinkStatus == LM_STATUS_LINK_ACTIVE) && pDevice->InitDone)
6650 {
6651 MacStatus = REG_RD(pDevice, MacCtrl.Status);
6652 if ((MacStatus & (MAC_STATUS_PCS_SYNCED | MAC_STATUS_SIGNAL_DETECTED |
6653 MAC_STATUS_CFG_CHANGED | MAC_STATUS_RECEIVING_CFG))
6654 == (MAC_STATUS_PCS_SYNCED | MAC_STATUS_SIGNAL_DETECTED))
6655 {
6656
6657 REG_WR(pDevice, MacCtrl.Status, MAC_STATUS_SYNC_CHANGED |
6658 MAC_STATUS_CFG_CHANGED);
6659 return LM_STATUS_SUCCESS;
6660 }
6661 }
6662 pDevice->MacMode &= ~(MAC_MODE_HALF_DUPLEX | MAC_MODE_PORT_MODE_MASK);
6663
6664 /* Initialize the send_config register. */
6665 REG_WR(pDevice, MacCtrl.TxAutoNeg, 0);
6666
6667 pDevice->MacMode |= MAC_MODE_PORT_MODE_TBI;
6668 REG_WR(pDevice, MacCtrl.Mode, pDevice->MacMode);
6669 MM_Wait(10);
6670
6671 /* Initialize the BCM8002 SERDES PHY. */
6672 switch(pDevice->PhyId & PHY_ID_MASK)
6673 {
6674 case PHY_BCM8002_PHY_ID:
6675 LM_InitBcm800xPhy(pDevice);
6676 break;
6677
6678 default:
6679 break;
6680 }
6681
6682 /* Enable link change interrupt. */
6683 REG_WR(pDevice, MacCtrl.MacEvent, MAC_EVENT_ENABLE_LINK_STATE_CHANGED_ATTN);
6684
6685 /* Default to link down. */
6686 CurrentLinkStatus = LM_STATUS_LINK_DOWN;
6687
6688 /* Get the link status. */
6689 MacStatus = REG_RD(pDevice, MacCtrl.Status);
6690
6691 if (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5704)
6692 {
6693 LM_UINT32 SgDigCtrl, SgDigStatus;
6694 LM_UINT32 SerdesCfg = 0;
6695 LM_UINT32 ExpectedSgDigCtrl = 0;
6696 LM_UINT32 WorkAround = 0;
6697 LM_UINT32 PortA = 1;
6698
6699 if ((pDevice->ChipRevId != T3_CHIP_ID_5704_A0) &&
6700 (pDevice->ChipRevId != T3_CHIP_ID_5704_A1))
6701 {
6702 WorkAround = 1;
6703 if (REG_RD(pDevice, PciCfg.DualMacCtrl) & T3_DUAL_MAC_ID)
6704 {
6705 PortA = 0;
6706 }
6707
6708 if(pDevice->TbiFlags & TBI_DO_PREEMPHASIS)
6709 {
6710 /* Save voltage reg bits & bits 14:0 */
6711 SerdesCfg = REG_RD(pDevice, MacCtrl.SerdesCfg) &
6712 (BIT_23 | BIT_22 | BIT_21 | BIT_20 | 0x7fff );
6713
6714 }
6715 else
6716 {
6717 /* preserve the voltage regulator bits */
6718 SerdesCfg = REG_RD(pDevice, MacCtrl.SerdesCfg) &
6719 (BIT_23 | BIT_22 | BIT_21 | BIT_20);
6720 }
6721 }
6722 SgDigCtrl = REG_RD(pDevice, MacCtrl.SgDigControl);
6723 if((pDevice->RequestedLineSpeed == LM_LINE_SPEED_AUTO) ||
6724 (pDevice->DisableAutoNeg == FALSE))
6725 {
6726
6727 ExpectedSgDigCtrl = 0x81388400;
6728 LocalPhyAd = GetPhyAdFlowCntrlSettings(pDevice);
6729 if(LocalPhyAd & PHY_AN_AD_PAUSE_CAPABLE)
6730 {
6731 ExpectedSgDigCtrl |= BIT_11;
6732 }
6733 if(LocalPhyAd & PHY_AN_AD_ASYM_PAUSE)
6734 {
6735 ExpectedSgDigCtrl |= BIT_12;
6736 }
6737 if (SgDigCtrl != ExpectedSgDigCtrl)
6738 {
6739 if (WorkAround)
6740 {
6741 if(pDevice->TbiFlags & TBI_DO_PREEMPHASIS)
6742 {
6743 REG_WR(pDevice, MacCtrl.SerdesCfg, 0xc011000 | SerdesCfg);
6744 }
6745 else
6746 {
6747 REG_WR(pDevice, MacCtrl.SerdesCfg, 0xc011880 | SerdesCfg);
6748 }
6749 }
6750 REG_WR(pDevice, MacCtrl.SgDigControl, ExpectedSgDigCtrl |
6751 BIT_30);
6752 REG_RD_BACK(pDevice, MacCtrl.SgDigControl);
6753 MM_Wait(5);
6754 REG_WR(pDevice, MacCtrl.SgDigControl, ExpectedSgDigCtrl);
6755 pDevice->AutoNegJustInited = TRUE;
6756 }
6757 /* If autoneg is off, you only get SD when link is up */
6758 else if(MacStatus & (MAC_STATUS_PCS_SYNCED |
6759 MAC_STATUS_SIGNAL_DETECTED))
6760 {
6761 SgDigStatus = REG_RD(pDevice, MacCtrl.SgDigStatus);
6762 if ((SgDigStatus & BIT_1) &&
6763 (MacStatus & MAC_STATUS_PCS_SYNCED))
6764 {
6765 /* autoneg. completed */
6766 RemotePhyAd = 0;
6767 if(SgDigStatus & BIT_19)
6768 {
6769 RemotePhyAd |= PHY_LINK_PARTNER_PAUSE_CAPABLE;
6770 }
6771
6772 if(SgDigStatus & BIT_20)
6773 {
6774 RemotePhyAd |= PHY_LINK_PARTNER_ASYM_PAUSE;
6775 }
6776
6777 LM_SetFlowControl(pDevice, LocalPhyAd, RemotePhyAd);
6778 CurrentLinkStatus = LM_STATUS_LINK_ACTIVE;
6779 pDevice->AutoNegJustInited = FALSE;
6780 }
6781 else if (!(SgDigStatus & BIT_1))
6782 {
6783 if (pDevice->AutoNegJustInited == TRUE)
6784 {
6785 /* we may be checking too soon, so check again */
6786 /* at the next poll interval */
6787 pDevice->AutoNegJustInited = FALSE;
6788 }
6789 else
6790 {
6791 /* autoneg. failed */
6792 if (WorkAround)
6793 {
6794 if (PortA)
6795 {
6796 if(pDevice->TbiFlags & TBI_DO_PREEMPHASIS)
6797 {
6798 REG_WR(pDevice, MacCtrl.SerdesCfg,
6799 0xc010000 | (SerdesCfg & ~0x00001000));
6800 }
6801 else
6802 {
6803 REG_WR(pDevice, MacCtrl.SerdesCfg,
6804 0xc010880 | SerdesCfg);
6805 }
6806 }
6807 else
6808 {
6809 if(pDevice->TbiFlags & TBI_DO_PREEMPHASIS)
6810 {
6811 REG_WR(pDevice, MacCtrl.SerdesCfg,
6812 0x4010000 | (SerdesCfg & ~0x00001000));
6813 }
6814 else
6815 {
6816 REG_WR(pDevice, MacCtrl.SerdesCfg,
6817 0x4010880 | SerdesCfg);
6818 }
6819 }
6820 }
6821 /* turn off autoneg. to allow traffic to pass */
6822 REG_WR(pDevice, MacCtrl.SgDigControl, 0x01388400);
6823 REG_RD_BACK(pDevice, MacCtrl.SgDigControl);
6824 MM_Wait(40);
6825 MacStatus = REG_RD(pDevice, MacCtrl.Status);
6826 if ((MacStatus & MAC_STATUS_PCS_SYNCED) && !(MacStatus & MAC_STATUS_RECEIVING_CFG))
6827 {
6828 LM_SetFlowControl(pDevice, 0, 0);
6829 CurrentLinkStatus = LM_STATUS_LINK_ACTIVE;
6830 }
6831 }
6832 }
6833 }
6834 }
6835 else
6836 {
6837 if (SgDigCtrl & BIT_31) {
6838 if (WorkAround)
6839 {
6840 if (PortA)
6841 {
6842
6843 if(pDevice->TbiFlags & TBI_DO_PREEMPHASIS)
6844 {
6845 REG_WR(pDevice, MacCtrl.SerdesCfg,
6846 0xc010000 | (SerdesCfg & ~0x00001000));
6847 }
6848 else
6849 {
6850 REG_WR(pDevice, MacCtrl.SerdesCfg,
6851 0xc010880 | SerdesCfg);
6852 }
6853 }
6854 else
6855 {
6856 if(pDevice->TbiFlags & TBI_DO_PREEMPHASIS)
6857 {
6858 REG_WR(pDevice, MacCtrl.SerdesCfg,
6859 0x4010000 | (SerdesCfg & ~0x00001000));
6860 }
6861 else
6862 {
6863 REG_WR(pDevice, MacCtrl.SerdesCfg,
6864 0x4010880 | SerdesCfg);
6865 }
6866 }
6867 }
6868 REG_WR(pDevice, MacCtrl.SgDigControl, 0x01388400);
6869 }
6870 if(MacStatus & MAC_STATUS_PCS_SYNCED)
6871 {
6872 LM_SetFlowControl(pDevice, 0, 0);
6873 CurrentLinkStatus = LM_STATUS_LINK_ACTIVE;
6874 }
6875 }
6876 }
6877 else if(MacStatus & MAC_STATUS_PCS_SYNCED)
6878 {
6879 if((pDevice->RequestedLineSpeed == LM_LINE_SPEED_AUTO) ||
6880 (pDevice->DisableAutoNeg == FALSE))
6881 {
6882 /* auto-negotiation mode. */
6883 /* Initialize the autoneg default capaiblities. */
6884 AutonegInit(&pDevice->AnInfo);
6885
6886 /* Set the context pointer to point to the main device structure. */
6887 pDevice->AnInfo.pContext = pDevice;
6888
6889 /* Setup flow control advertisement register. */
6890 Value32 = GetPhyAdFlowCntrlSettings(pDevice);
6891 if(Value32 & PHY_AN_AD_PAUSE_CAPABLE)
6892 {
6893 pDevice->AnInfo.mr_adv_sym_pause = 1;
6894 }
6895 else
6896 {
6897 pDevice->AnInfo.mr_adv_sym_pause = 0;
6898 }
6899
6900 if(Value32 & PHY_AN_AD_ASYM_PAUSE)
6901 {
6902 pDevice->AnInfo.mr_adv_asym_pause = 1;
6903 }
6904 else
6905 {
6906 pDevice->AnInfo.mr_adv_asym_pause = 0;
6907 }
6908
6909 /* Try to autoneg up to six times. */
6910 if (pDevice->IgnoreTbiLinkChange)
6911 {
6912 Cnt = 1;
6913 }
6914 else
6915 {
6916 Cnt = 6;
6917 }
6918 for (j = 0; j < Cnt; j++)
6919 {
6920 REG_WR(pDevice, MacCtrl.TxAutoNeg, 0);
6921
6922 Value32 = pDevice->MacMode & ~MAC_MODE_PORT_MODE_MASK;
6923 REG_WR(pDevice, MacCtrl.Mode, Value32);
6924 REG_RD_BACK(pDevice, MacCtrl.Mode);
6925 MM_Wait(20);
6926
6927 REG_WR(pDevice, MacCtrl.Mode, pDevice->MacMode |
6928 MAC_MODE_SEND_CONFIGS);
6929 REG_RD_BACK(pDevice, MacCtrl.Mode);
6930
6931 MM_Wait(20);
6932
6933 pDevice->AnInfo.State = AN_STATE_UNKNOWN;
6934 pDevice->AnInfo.CurrentTime_us = 0;
6935
6936 REG_WR(pDevice, Grc.Timer, 0);
6937 for(k = 0; (pDevice->AnInfo.CurrentTime_us < 75000) &&
6938 (k < 75000); k++)
6939 {
6940 AnStatus = Autoneg8023z(&pDevice->AnInfo);
6941
6942 if((AnStatus == AUTONEG_STATUS_DONE) ||
6943 (AnStatus == AUTONEG_STATUS_FAILED))
6944 {
6945 break;
6946 }
6947
6948 pDevice->AnInfo.CurrentTime_us = REG_RD(pDevice, Grc.Timer);
6949
6950 }
6951 if((AnStatus == AUTONEG_STATUS_DONE) ||
6952 (AnStatus == AUTONEG_STATUS_FAILED))
6953 {
6954 break;
6955 }
6956 if (j >= 1)
6957 {
6958 if (!(REG_RD(pDevice, MacCtrl.Status) &
6959 MAC_STATUS_PCS_SYNCED)) {
6960 break;
6961 }
6962 }
6963 }
6964
6965 /* Stop sending configs. */
6966 MM_AnTxIdle(&pDevice->AnInfo);
6967
6968 /* Resolve flow control settings. */
6969 if((AnStatus == AUTONEG_STATUS_DONE) &&
6970 pDevice->AnInfo.mr_an_complete && pDevice->AnInfo.mr_link_ok &&
6971 pDevice->AnInfo.mr_lp_adv_full_duplex)
6972 {
6973 LM_UINT32 RemotePhyAd;
6974 LM_UINT32 LocalPhyAd;
6975
6976 LocalPhyAd = 0;
6977 if(pDevice->AnInfo.mr_adv_sym_pause)
6978 {
6979 LocalPhyAd |= PHY_AN_AD_PAUSE_CAPABLE;
6980 }
6981
6982 if(pDevice->AnInfo.mr_adv_asym_pause)
6983 {
6984 LocalPhyAd |= PHY_AN_AD_ASYM_PAUSE;
6985 }
6986
6987 RemotePhyAd = 0;
6988 if(pDevice->AnInfo.mr_lp_adv_sym_pause)
6989 {
6990 RemotePhyAd |= PHY_LINK_PARTNER_PAUSE_CAPABLE;
6991 }
6992
6993 if(pDevice->AnInfo.mr_lp_adv_asym_pause)
6994 {
6995 RemotePhyAd |= PHY_LINK_PARTNER_ASYM_PAUSE;
6996 }
6997
6998 LM_SetFlowControl(pDevice, LocalPhyAd, RemotePhyAd);
6999
7000 CurrentLinkStatus = LM_STATUS_LINK_ACTIVE;
7001 }
7002 else
7003 {
7004 LM_SetFlowControl(pDevice, 0, 0);
7005 }
7006 for (j = 0; j < 30; j++)
7007 {
7008 MM_Wait(20);
7009 REG_WR(pDevice, MacCtrl.Status, MAC_STATUS_SYNC_CHANGED |
7010 MAC_STATUS_CFG_CHANGED);
7011 REG_RD_BACK(pDevice, MacCtrl.Status);
7012 MM_Wait(20);
7013 if ((REG_RD(pDevice, MacCtrl.Status) &
7014 (MAC_STATUS_SYNC_CHANGED | MAC_STATUS_CFG_CHANGED)) == 0)
7015 break;
7016 }
7017 if (pDevice->TbiFlags & TBI_POLLING_FLAGS)
7018 {
7019 Value32 = REG_RD(pDevice, MacCtrl.Status);
7020 if (Value32 & MAC_STATUS_RECEIVING_CFG)
7021 {
7022 pDevice->IgnoreTbiLinkChange = TRUE;
7023 }
7024 else if (pDevice->TbiFlags & TBI_POLLING_INTR_FLAG)
7025 {
7026 pDevice->IgnoreTbiLinkChange = FALSE;
7027 }
7028 }
7029 Value32 = REG_RD(pDevice, MacCtrl.Status);
7030 if (CurrentLinkStatus == LM_STATUS_LINK_DOWN &&
7031 (Value32 & MAC_STATUS_PCS_SYNCED) &&
7032 ((Value32 & MAC_STATUS_RECEIVING_CFG) == 0))
7033 {
7034 CurrentLinkStatus = LM_STATUS_LINK_ACTIVE;
7035 }
7036 }
7037 else
7038 {
7039 /* We are forcing line speed. */
7040 pDevice->FlowControlCap &= ~LM_FLOW_CONTROL_AUTO_PAUSE;
7041 LM_SetFlowControl(pDevice, 0, 0);
7042
7043 CurrentLinkStatus = LM_STATUS_LINK_ACTIVE;
7044 REG_WR(pDevice, MacCtrl.Mode, pDevice->MacMode |
7045 MAC_MODE_SEND_CONFIGS);
7046 }
7047 }
7048 /* Set the link polarity bit. */
7049 pDevice->MacMode &= ~MAC_MODE_LINK_POLARITY;
7050 REG_WR(pDevice, MacCtrl.Mode, pDevice->MacMode);
7051
7052 pDevice->pStatusBlkVirt->Status = STATUS_BLOCK_UPDATED |
7053 (pDevice->pStatusBlkVirt->Status & ~STATUS_BLOCK_LINK_CHANGED_STATUS);
7054
7055 for (j = 0; j < 100; j++)
7056 {
7057 REG_WR(pDevice, MacCtrl.Status, MAC_STATUS_SYNC_CHANGED |
7058 MAC_STATUS_CFG_CHANGED);
7059 REG_RD_BACK(pDevice, MacCtrl.Status);
7060 MM_Wait(5);
7061 if ((REG_RD(pDevice, MacCtrl.Status) &
7062 (MAC_STATUS_SYNC_CHANGED | MAC_STATUS_CFG_CHANGED)) == 0)
7063 break;
7064 }
7065
7066 Value32 = REG_RD(pDevice, MacCtrl.Status);
7067 if((Value32 & MAC_STATUS_PCS_SYNCED) == 0)
7068 {
7069 CurrentLinkStatus = LM_STATUS_LINK_DOWN;
7070 if (pDevice->DisableAutoNeg == FALSE)
7071 {
7072 REG_WR(pDevice, MacCtrl.Mode, pDevice->MacMode |
7073 MAC_MODE_SEND_CONFIGS);
7074 REG_RD_BACK(pDevice, MacCtrl.Mode);
7075 MM_Wait(1);
7076 REG_WR(pDevice, MacCtrl.Mode, pDevice->MacMode);
7077 }
7078 }
7079
7080 /* Initialize the current link status. */
7081 if(CurrentLinkStatus == LM_STATUS_LINK_ACTIVE)
7082 {
7083 pDevice->LineSpeed = LM_LINE_SPEED_1000MBPS;
7084 pDevice->DuplexMode = LM_DUPLEX_MODE_FULL;
7085 REG_WR(pDevice, MacCtrl.LedCtrl, pDevice->LedCtrl |
7086 LED_CTRL_OVERRIDE_LINK_LED |
7087 LED_CTRL_1000MBPS_LED_ON);
7088 }
7089 else
7090 {
7091 pDevice->LineSpeed = LM_LINE_SPEED_UNKNOWN;
7092 pDevice->DuplexMode = LM_DUPLEX_MODE_UNKNOWN;
7093 REG_WR(pDevice, MacCtrl.LedCtrl, pDevice->LedCtrl |
7094 LED_CTRL_OVERRIDE_LINK_LED |
7095 LED_CTRL_OVERRIDE_TRAFFIC_LED);
7096 }
7097
7098 /* Indicate link status. */
7099 if ((pDevice->LinkStatus != CurrentLinkStatus) ||
7100 ((CurrentLinkStatus == LM_STATUS_LINK_ACTIVE) &&
7101 (PreviousFlowControl != pDevice->FlowControl)))
7102 {
7103 pDevice->LinkStatus = CurrentLinkStatus;
7104 MM_IndicateStatus(pDevice, CurrentLinkStatus);
7105 }
7106
7107 return LM_STATUS_SUCCESS;
7108 }
7109 #endif /* INCLUDE_TBI_SUPPORT */
7110
7111
7112 /******************************************************************************/
7113 /* Description: */
7114 /* */
7115 /* Return: */
7116 /******************************************************************************/
7117 LM_STATUS
7118 LM_SetupCopperPhy(
7119 PLM_DEVICE_BLOCK pDevice)
7120 {
7121 LM_STATUS CurrentLinkStatus;
7122 LM_UINT32 Value32;
7123
7124 /* Assume there is not link first. */
7125 CurrentLinkStatus = LM_STATUS_LINK_DOWN;
7126
7127 /* Disable phy link change attention. */
7128 REG_WR(pDevice, MacCtrl.MacEvent, 0);
7129
7130 /* Clear link change attention. */
7131 REG_WR(pDevice, MacCtrl.Status, MAC_STATUS_SYNC_CHANGED |
7132 MAC_STATUS_CFG_CHANGED | MAC_STATUS_MI_COMPLETION |
7133 MAC_STATUS_LINK_STATE_CHANGED);
7134
7135 /* Disable auto-polling for the moment. */
7136 pDevice->MiMode = 0xc0000;
7137 REG_WR(pDevice, MacCtrl.MiMode, pDevice->MiMode);
7138 REG_RD_BACK(pDevice, MacCtrl.MiMode);
7139 MM_Wait(40);
7140
7141 /* Determine the requested line speed and duplex. */
7142 pDevice->OldLineSpeed = pDevice->LineSpeed;
7143 /* Set line and duplex only if we don't have a Robo switch */
7144 if (!(pDevice->Flags & ROBO_SWITCH_FLAG)) {
7145 pDevice->LineSpeed = pDevice->RequestedLineSpeed;
7146 pDevice->DuplexMode = pDevice->RequestedDuplexMode;
7147 }
7148
7149 /* Set the phy to loopback mode. */
7150 if ((pDevice->LoopBackMode == LM_PHY_LOOP_BACK_MODE) ||
7151 (pDevice->LoopBackMode == LM_MAC_LOOP_BACK_MODE))
7152 {
7153 LM_ReadPhy(pDevice, PHY_CTRL_REG, &Value32);
7154 if(!(Value32 & PHY_CTRL_LOOPBACK_MODE) &&
7155 (pDevice->LoopBackMode == LM_PHY_LOOP_BACK_MODE))
7156 {
7157 /* Disable link change and PHY interrupts. */
7158 REG_WR(pDevice, MacCtrl.MacEvent, 0);
7159
7160 /* Clear link change attention. */
7161 REG_WR(pDevice, MacCtrl.Status, MAC_STATUS_SYNC_CHANGED |
7162 MAC_STATUS_CFG_CHANGED);
7163
7164 LM_WritePhy(pDevice, PHY_CTRL_REG, 0x4140);
7165 MM_Wait(40);
7166
7167 pDevice->MacMode &= ~MAC_MODE_LINK_POLARITY;
7168 if(T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5701 ||
7169 T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5703 ||
7170 T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5704 ||
7171 T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5705 ||
7172 (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5700 &&
7173 (pDevice->PhyId & PHY_ID_MASK) == PHY_BCM5411_PHY_ID))
7174 {
7175 pDevice->MacMode |= MAC_MODE_LINK_POLARITY;
7176 }
7177
7178 /* Prevent the interrupt handling from being called. */
7179 pDevice->pStatusBlkVirt->Status = STATUS_BLOCK_UPDATED |
7180 (pDevice->pStatusBlkVirt->Status &
7181 ~STATUS_BLOCK_LINK_CHANGED_STATUS);
7182
7183 /* GMII interface. */
7184 pDevice->MacMode &= ~MAC_MODE_PORT_MODE_MASK;
7185 pDevice->MacMode |= MAC_MODE_PORT_MODE_GMII;
7186 REG_WR(pDevice, MacCtrl.Mode, pDevice->MacMode);
7187 REG_RD_BACK(pDevice, MacCtrl.Mode);
7188 MM_Wait(40);
7189
7190 /* Configure PHY led mode. */
7191 if(T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5701 ||
7192 (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5700))
7193 {
7194 LM_WritePhy(pDevice, BCM540X_EXT_CTRL_REG,
7195 BCM540X_EXT_CTRL_LINK3_LED_MODE);
7196 MM_Wait(40);
7197 }
7198
7199 if(T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5700)
7200 {
7201 int j = 0;
7202
7203 while (REG_RD(pDevice, DmaWrite.Mode) & DMA_WRITE_MODE_ENABLE)
7204 {
7205 MM_Wait(40);
7206 j++;
7207 if (j > 20)
7208 break;
7209 }
7210
7211 Value32 = DMA_WRITE_MODE_ENABLE |
7212 DMA_WRITE_MODE_TARGET_ABORT_ATTN_ENABLE |
7213 DMA_WRITE_MODE_MASTER_ABORT_ATTN_ENABLE |
7214 DMA_WRITE_MODE_PARITY_ERROR_ATTN_ENABLE |
7215 DMA_WRITE_MODE_ADDR_OVERFLOW_ATTN_ENABLE |
7216 DMA_WRITE_MODE_FIFO_OVERRUN_ATTN_ENABLE |
7217 DMA_WRITE_MODE_FIFO_UNDERRUN_ATTN_ENABLE |
7218 DMA_WRITE_MODE_FIFO_OVERREAD_ATTN_ENABLE |
7219 DMA_WRITE_MODE_LONG_READ_ATTN_ENABLE;
7220 REG_WR(pDevice, DmaWrite.Mode, Value32);
7221 }
7222 }
7223
7224 pDevice->LinkStatus = LM_STATUS_LINK_ACTIVE;
7225 MM_IndicateStatus(pDevice, LM_STATUS_LINK_ACTIVE);
7226
7227 return LM_STATUS_SUCCESS;
7228 }
7229
7230 /* For Robo switch read PHY_CTRL_REG value as zero */
7231 if (pDevice->Flags & ROBO_SWITCH_FLAG)
7232 Value32 = 0;
7233 else
7234 LM_ReadPhy(pDevice, PHY_CTRL_REG, &Value32);
7235
7236 if(Value32 & PHY_CTRL_LOOPBACK_MODE)
7237 {
7238 CurrentLinkStatus = LM_STATUS_LINK_DOWN;
7239
7240 /* Re-enable link change interrupt. This was disabled when we */
7241 /* enter loopback mode. */
7242 if(pDevice->PhyIntMode == T3_PHY_INT_MODE_MI_INTERRUPT)
7243 {
7244 REG_WR(pDevice, MacCtrl.MacEvent, MAC_EVENT_ENABLE_MI_INTERRUPT);
7245 }
7246 else
7247 {
7248 REG_WR(pDevice, MacCtrl.MacEvent,
7249 MAC_EVENT_ENABLE_LINK_STATE_CHANGED_ATTN);
7250 }
7251 }
7252 else
7253 {
7254 /* Initialize the phy chip. */
7255 CurrentLinkStatus = LM_InitBcm540xPhy(pDevice);
7256 }
7257
7258 if(CurrentLinkStatus == LM_STATUS_LINK_SETTING_MISMATCH)
7259 {
7260 CurrentLinkStatus = LM_STATUS_LINK_DOWN;
7261 }
7262
7263 /* Setup flow control. */
7264 pDevice->FlowControl = LM_FLOW_CONTROL_NONE;
7265 if(CurrentLinkStatus == LM_STATUS_LINK_ACTIVE)
7266 {
7267 LM_FLOW_CONTROL FlowCap; /* Flow control capability. */
7268
7269 FlowCap = LM_FLOW_CONTROL_NONE;
7270
7271 if(pDevice->DuplexMode == LM_DUPLEX_MODE_FULL)
7272 {
7273 if(pDevice->DisableAutoNeg == FALSE ||
7274 pDevice->RequestedLineSpeed == LM_LINE_SPEED_AUTO)
7275 {
7276 LM_UINT32 ExpectedPhyAd;
7277 LM_UINT32 LocalPhyAd;
7278 LM_UINT32 RemotePhyAd;
7279
7280 LM_ReadPhy(pDevice, PHY_AN_AD_REG, &LocalPhyAd);
7281 pDevice->advertising = LocalPhyAd;
7282 LocalPhyAd &= (PHY_AN_AD_ASYM_PAUSE | PHY_AN_AD_PAUSE_CAPABLE);
7283
7284 ExpectedPhyAd = GetPhyAdFlowCntrlSettings(pDevice);
7285
7286 if(LocalPhyAd != ExpectedPhyAd)
7287 {
7288 CurrentLinkStatus = LM_STATUS_LINK_DOWN;
7289 }
7290 else
7291 {
7292 LM_ReadPhy(pDevice, PHY_LINK_PARTNER_ABILITY_REG,
7293 &RemotePhyAd);
7294
7295 LM_SetFlowControl(pDevice, LocalPhyAd, RemotePhyAd);
7296 }
7297 }
7298 else
7299 {
7300 pDevice->FlowControlCap &= ~LM_FLOW_CONTROL_AUTO_PAUSE;
7301 LM_SetFlowControl(pDevice, 0, 0);
7302 }
7303 }
7304 }
7305
7306 if(CurrentLinkStatus == LM_STATUS_LINK_DOWN)
7307 {
7308 LM_ForceAutoNeg(pDevice);
7309
7310 /* If we force line speed, we make get link right away. */
7311 LM_ReadPhy(pDevice, PHY_STATUS_REG, &Value32);
7312 LM_ReadPhy(pDevice, PHY_STATUS_REG, &Value32);
7313 if(Value32 & PHY_STATUS_LINK_PASS)
7314 {
7315 CurrentLinkStatus = LM_STATUS_LINK_ACTIVE;
7316 }
7317 }
7318
7319 /* GMII interface. */
7320 pDevice->MacMode &= ~MAC_MODE_PORT_MODE_MASK;
7321 if(CurrentLinkStatus == LM_STATUS_LINK_ACTIVE)
7322 {
7323 if(pDevice->LineSpeed == LM_LINE_SPEED_100MBPS ||
7324 pDevice->LineSpeed == LM_LINE_SPEED_10MBPS)
7325 {
7326 pDevice->MacMode |= MAC_MODE_PORT_MODE_MII;
7327 }
7328 else
7329 {
7330 pDevice->MacMode |= MAC_MODE_PORT_MODE_GMII;
7331 }
7332 }
7333 else {
7334 pDevice->MacMode |= MAC_MODE_PORT_MODE_GMII;
7335 }
7336
7337 /* In order for the 5750 core in BCM4785 chip to work properly
7338 * in RGMII mode, the Led Control Register must be set up.
7339 */
7340 if (pDevice->Flags & RGMII_MODE_FLAG)
7341 {
7342 LM_UINT32 LedCtrl_Reg;
7343
7344 LedCtrl_Reg = REG_RD(pDevice, MacCtrl.LedCtrl);
7345 LedCtrl_Reg &= ~(LED_CTRL_1000MBPS_LED_ON | LED_CTRL_100MBPS_LED_ON);
7346
7347 if(pDevice->LineSpeed == LM_LINE_SPEED_10MBPS)
7348 LedCtrl_Reg |= LED_CTRL_OVERRIDE_LINK_LED;
7349 else if (pDevice->LineSpeed == LM_LINE_SPEED_100MBPS)
7350 LedCtrl_Reg |= (LED_CTRL_OVERRIDE_LINK_LED | LED_CTRL_100MBPS_LED_ON);
7351 else /* LM_LINE_SPEED_1000MBPS */
7352 LedCtrl_Reg |= (LED_CTRL_OVERRIDE_LINK_LED | LED_CTRL_1000MBPS_LED_ON);
7353
7354 REG_WR(pDevice, MacCtrl.LedCtrl, LedCtrl_Reg);
7355
7356 MM_Wait(40);
7357 }
7358
7359 /* Set the MAC to operate in the appropriate duplex mode. */
7360 pDevice->MacMode &= ~MAC_MODE_HALF_DUPLEX;
7361 if(pDevice->DuplexMode == LM_DUPLEX_MODE_HALF)
7362 {
7363 pDevice->MacMode |= MAC_MODE_HALF_DUPLEX;
7364 }
7365
7366 /* Set the link polarity bit. */
7367 pDevice->MacMode &= ~MAC_MODE_LINK_POLARITY;
7368 if(T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5700)
7369 {
7370 if((pDevice->LedCtrl == LED_CTRL_PHY_MODE_2) ||
7371 (CurrentLinkStatus == LM_STATUS_LINK_ACTIVE &&
7372 pDevice->LineSpeed == LM_LINE_SPEED_10MBPS))
7373 {
7374 pDevice->MacMode |= MAC_MODE_LINK_POLARITY;
7375 }
7376 }
7377 else
7378 {
7379 if (CurrentLinkStatus == LM_STATUS_LINK_ACTIVE)
7380 {
7381 pDevice->MacMode |= MAC_MODE_LINK_POLARITY;
7382 }
7383 }
7384
7385 REG_WR(pDevice, MacCtrl.Mode, pDevice->MacMode);
7386
7387 /* Enable auto polling. */
7388 if(pDevice->PhyIntMode == T3_PHY_INT_MODE_AUTO_POLLING)
7389 {
7390 pDevice->MiMode |= MI_MODE_AUTO_POLLING_ENABLE;
7391 REG_WR(pDevice, MacCtrl.MiMode, pDevice->MiMode);
7392 }
7393 /* if using MAC led mode and not using auto polling, need to configure */
7394 /* mi status register */
7395 else if ((pDevice->LedCtrl &
7396 (LED_CTRL_PHY_MODE_1 | LED_CTRL_PHY_MODE_2)) == 0)
7397 {
7398 if (CurrentLinkStatus != LM_STATUS_LINK_ACTIVE)
7399 {
7400 REG_WR(pDevice, MacCtrl.MiStatus, 0);
7401 }
7402 else if (pDevice->LineSpeed == LM_LINE_SPEED_10MBPS)
7403 {
7404 REG_WR(pDevice, MacCtrl.MiStatus,
7405 MI_STATUS_ENABLE_LINK_STATUS_ATTN | MI_STATUS_10MBPS);
7406 }
7407 else
7408 {
7409 REG_WR(pDevice, MacCtrl.MiStatus,
7410 MI_STATUS_ENABLE_LINK_STATUS_ATTN);
7411 }
7412 }
7413
7414 /* Enable phy link change attention. */
7415 if(pDevice->PhyIntMode == T3_PHY_INT_MODE_MI_INTERRUPT)
7416 {
7417 REG_WR(pDevice, MacCtrl.MacEvent, MAC_EVENT_ENABLE_MI_INTERRUPT);
7418 }
7419 else
7420 {
7421 REG_WR(pDevice, MacCtrl.MacEvent,
7422 MAC_EVENT_ENABLE_LINK_STATE_CHANGED_ATTN);
7423 }
7424 if ((T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5700) &&
7425 (CurrentLinkStatus == LM_STATUS_LINK_ACTIVE) &&
7426 (pDevice->LineSpeed == LM_LINE_SPEED_1000MBPS) &&
7427 (((pDevice->PciState & T3_PCI_STATE_CONVENTIONAL_PCI_MODE) &&
7428 (pDevice->PciState & T3_PCI_STATE_BUS_SPEED_HIGH)) ||
7429 !(pDevice->PciState & T3_PCI_STATE_CONVENTIONAL_PCI_MODE)))
7430 {
7431 MM_Wait(120);
7432 REG_WR(pDevice, MacCtrl.Status, MAC_STATUS_SYNC_CHANGED |
7433 MAC_STATUS_CFG_CHANGED);
7434 MEM_WR_OFFSET(pDevice, T3_FIRMWARE_MAILBOX,
7435 T3_MAGIC_NUM_DISABLE_DMAW_ON_LINK_CHANGE);
7436 }
7437
7438 /* Indicate link status. */
7439 if (pDevice->LinkStatus != CurrentLinkStatus) {
7440 pDevice->LinkStatus = CurrentLinkStatus;
7441 MM_IndicateStatus(pDevice, CurrentLinkStatus);
7442 }
7443
7444 return LM_STATUS_SUCCESS;
7445 } /* LM_SetupCopperPhy */
7446
7447
7448 void
7449 LM_5714_FamForceFiber(
7450 PLM_DEVICE_BLOCK pDevice)
7451 {
7452 LM_UINT32 Creg, new_bmcr;
7453 LM_ReadPhy(pDevice, PHY_CTRL_REG, &Creg);
7454
7455 new_bmcr = Creg & ~PHY_CTRL_AUTO_NEG_ENABLE;
7456
7457 if ( pDevice->RequestedDuplexMode == 0 ||
7458 pDevice->RequestedDuplexMode == LM_DUPLEX_MODE_FULL){
7459
7460 new_bmcr |= PHY_CTRL_FULL_DUPLEX_MODE;
7461 }
7462
7463 if(Creg == new_bmcr)
7464 return;
7465
7466 new_bmcr |= PHY_CTRL_SPEED_SELECT_1000MBPS; /* Reserve bit */
7467
7468 /* Force a linkdown */
7469 LM_WritePhy(pDevice, PHY_AN_AD_REG, 0);
7470 LM_WritePhy(pDevice, PHY_CTRL_REG, new_bmcr |
7471 PHY_CTRL_RESTART_AUTO_NEG |
7472 PHY_CTRL_AUTO_NEG_ENABLE |
7473 PHY_CTRL_SPEED_SELECT_1000MBPS);
7474 MM_Wait(10);
7475
7476 /* Force it */
7477 LM_WritePhy(pDevice, PHY_CTRL_REG, new_bmcr);
7478 MM_Wait(10);
7479
7480 return;
7481
7482 }/* LM_5714_FamForceFiber */
7483
7484
7485 void
7486 LM_5714_FamGoFiberAutoNeg(
7487 PLM_DEVICE_BLOCK pDevice)
7488 {
7489 LM_UINT32 adv,Creg,new;
7490
7491 LM_ReadPhy(pDevice, PHY_CTRL_REG, &Creg);
7492 LM_ReadPhy(pDevice,PHY_AN_AD_REG, &adv);
7493
7494 new = adv & ~( PHY_AN_AD_1000XFULL |
7495 PHY_AN_AD_1000XHALF |
7496 PHY_AN_AD_1000XPAUSE |
7497 PHY_AN_AD_1000XPSE_ASYM |
7498 0x1f);
7499
7500 new |= PHY_AN_AD_1000XPAUSE;
7501
7502 new |= PHY_AN_AD_1000XFULL;
7503 new |= PHY_AN_AD_1000XHALF;
7504
7505 if ((new != adv) || !(Creg & PHY_CTRL_AUTO_NEG_ENABLE)){
7506 LM_WritePhy(pDevice, PHY_AN_AD_REG, new);
7507 MM_Wait(5);
7508 pDevice->AutoNegJustInited=1;
7509 LM_WritePhy(pDevice, PHY_CTRL_REG, (Creg |
7510 PHY_CTRL_RESTART_AUTO_NEG |
7511 PHY_CTRL_SPEED_SELECT_1000MBPS |
7512 PHY_CTRL_AUTO_NEG_ENABLE) );
7513 }
7514
7515 return;
7516 } /* 5714_FamGoFiberAutoNeg */
7517
7518
7519 void
7520 LM_5714_FamDoFiberLoopback(PLM_DEVICE_BLOCK pDevice)
7521 {
7522 LM_UINT32 Value32;
7523
7524 LM_ReadPhy(pDevice, PHY_CTRL_REG, &Value32);
7525
7526 if( !(Value32 & PHY_CTRL_LOOPBACK_MODE) )
7527 {
7528 LM_WritePhy(pDevice, PHY_CTRL_REG, 0x4140);
7529
7530 /* Prevent the interrupt handling from being called. */
7531 pDevice->pStatusBlkVirt->Status = STATUS_BLOCK_UPDATED |
7532 (pDevice->pStatusBlkVirt->Status &
7533 ~STATUS_BLOCK_LINK_CHANGED_STATUS);
7534 }
7535
7536 pDevice->LinkStatus = LM_STATUS_LINK_ACTIVE;
7537 MM_IndicateStatus(pDevice, LM_STATUS_LINK_ACTIVE);
7538
7539 return;
7540
7541 }/* 5714_FamDoFiberLoopBack */
7542
7543
7544 /******************************************************************************/
7545 /* Description: */
7546 /* */
7547 /* Return: */
7548 /******************************************************************************/
7549
7550 LM_STATUS
7551 LM_SetupNewFiberPhy(
7552 PLM_DEVICE_BLOCK pDevice)
7553 {
7554 LM_STATUS LmStatus = LM_STATUS_SUCCESS;
7555 LM_UINT32 Creg,Sreg,rsav;
7556
7557 rsav = pDevice->LinkStatus;
7558
7559 pDevice->MacMode |= MAC_MODE_PORT_MODE_GMII;
7560 REG_WR(pDevice, MacCtrl.Mode, pDevice->MacMode);
7561 MM_Wait(40);
7562
7563 /* Disable phy link change attention. */
7564 REG_WR(pDevice, MacCtrl.MacEvent, 0);
7565
7566 /* Clear link change attention. */
7567 REG_WR(pDevice, MacCtrl.Status, MAC_STATUS_SYNC_CHANGED |
7568 MAC_STATUS_CFG_CHANGED | MAC_STATUS_MI_COMPLETION |
7569 MAC_STATUS_LINK_STATE_CHANGED);
7570
7571
7572 if( (pDevice->PhyFlags & PHY_FIBER_FALLBACK) &&
7573 ( pDevice->RequestedLineSpeed == LM_LINE_SPEED_AUTO) ){
7574
7575 /* do nothing */
7576 }else if ( pDevice->LoopBackMode == LM_MAC_LOOP_BACK_MODE){
7577
7578 LM_5714_FamDoFiberLoopback(pDevice);
7579 goto fiberloopbackreturn;
7580
7581 } else if( pDevice->RequestedLineSpeed == LM_LINE_SPEED_AUTO) {
7582
7583 LM_5714_FamGoFiberAutoNeg(pDevice);
7584
7585
7586 }else {
7587
7588 LM_5714_FamForceFiber(pDevice);
7589 }
7590 LM_ReadPhy(pDevice, PHY_STATUS_REG, &Sreg);
7591 LM_ReadPhy(pDevice, PHY_STATUS_REG, &Sreg);
7592
7593 if(Sreg & PHY_STATUS_LINK_PASS){
7594
7595 pDevice->LinkStatus = LM_STATUS_LINK_ACTIVE;
7596 pDevice->LineSpeed = LM_LINE_SPEED_1000MBPS;
7597
7598 LM_ReadPhy(pDevice, PHY_CTRL_REG, &Creg);
7599
7600 if(Creg & PHY_CTRL_FULL_DUPLEX_MODE) {
7601 pDevice->DuplexMode = LM_DUPLEX_MODE_FULL;
7602 }else{
7603 pDevice->DuplexMode = LM_DUPLEX_MODE_HALF;
7604 pDevice->MacMode |= MAC_MODE_HALF_DUPLEX;
7605 REG_WR(pDevice, MacCtrl.Mode, pDevice->MacMode);
7606 }
7607
7608 if(Creg & PHY_CTRL_AUTO_NEG_ENABLE){
7609 LM_UINT32 ours,partner;
7610
7611 LM_ReadPhy(pDevice,PHY_AN_AD_REG, &ours);
7612 LM_ReadPhy(pDevice,PHY_LINK_PARTNER_ABILITY_REG, &partner);
7613 LM_SetFlowControl(pDevice, ours, partner);
7614 }
7615
7616 }else{
7617 pDevice->LinkStatus = LM_STATUS_LINK_DOWN;
7618 pDevice->LineSpeed = 0;
7619 }
7620
7621 if(rsav != pDevice->LinkStatus)
7622 MM_IndicateStatus(pDevice, pDevice->LinkStatus);
7623
7624 fiberloopbackreturn:
7625 pDevice->MacMode |= MAC_MODE_PORT_MODE_GMII;
7626 REG_WR(pDevice, MacCtrl.Mode, pDevice->MacMode);
7627 MM_Wait(40);
7628 /* Enable link change interrupt. */
7629 REG_WR(pDevice, MacCtrl.MacEvent, MAC_EVENT_ENABLE_LINK_STATE_CHANGED_ATTN);
7630
7631 return LmStatus;
7632 } /* Setup New phy */
7633
7634 void
7635 LM_5714_FamFiberCheckLink(
7636 PLM_DEVICE_BLOCK pDevice)
7637 {
7638
7639 if(pDevice->AutoNegJustInited){
7640 pDevice->AutoNegJustInited=0;
7641 return;
7642 }
7643
7644 if ((pDevice->LinkStatus != LM_STATUS_LINK_ACTIVE) &&
7645 (pDevice->RequestedLineSpeed == LM_LINE_SPEED_AUTO) &&
7646 !(pDevice->PhyFlags & PHY_FIBER_FALLBACK)){
7647 LM_UINT32 bmcr;
7648
7649 LM_ReadPhy(pDevice, PHY_CTRL_REG, &bmcr);
7650 if (bmcr & PHY_CTRL_AUTO_NEG_ENABLE) {
7651 LM_UINT32 phy1, phy2;
7652
7653 LM_WritePhy(pDevice, 0x1c, 0x7c00);
7654 LM_ReadPhy(pDevice, 0x1c, &phy1);
7655
7656 LM_WritePhy(pDevice, 0x17, 0x0f01);
7657 LM_ReadPhy(pDevice, 0x15, &phy2);
7658 LM_ReadPhy(pDevice, 0x15, &phy2);
7659
7660 if ((phy1 & 0x10) && !(phy2 & 0x20)) {
7661
7662 /* We have signal detect and not receiving
7663 * configs.
7664 */
7665
7666 pDevice->PhyFlags |= PHY_FIBER_FALLBACK;
7667 LM_5714_FamForceFiber(pDevice);
7668 }
7669 }
7670 }
7671 else if ( (pDevice->PhyFlags & PHY_FIBER_FALLBACK) &&
7672 (pDevice->RequestedLineSpeed == LM_LINE_SPEED_AUTO)) {
7673 LM_UINT32 phy2;
7674
7675 LM_WritePhy(pDevice, 0x17, 0x0f01);
7676 LM_ReadPhy(pDevice, 0x15, &phy2);
7677 if (phy2 & 0x20) {
7678 /* Receiving configs. */
7679
7680 pDevice->PhyFlags &= ~PHY_FIBER_FALLBACK;
7681 LM_5714_FamGoFiberAutoNeg(pDevice);
7682 }
7683 }
7684
7685 } /* LM_5714_FamFiberCheckLink */
7686
7687
7688 /******************************************************************************/
7689 /* Description: */
7690 /* */
7691 /* Return: */
7692 /******************************************************************************/
7693 LM_STATUS
7694 LM_SetupPhy(
7695 PLM_DEVICE_BLOCK pDevice)
7696 {
7697 LM_STATUS LmStatus;
7698 LM_UINT32 Value32;
7699
7700 if(pDevice->PhyFlags & PHY_IS_FIBER)
7701 {
7702 LmStatus = LM_SetupNewFiberPhy(pDevice);
7703 }else
7704 #ifdef INCLUDE_TBI_SUPPORT
7705 if (pDevice->TbiFlags & ENABLE_TBI_FLAG)
7706 {
7707 LmStatus = LM_SetupFiberPhy(pDevice);
7708 }
7709 else
7710 #endif /* INCLUDE_TBI_SUPPORT */
7711 {
7712 LmStatus = LM_SetupCopperPhy(pDevice);
7713 }
7714 if (pDevice->ChipRevId == T3_CHIP_ID_5704_A0)
7715 {
7716 if (!(pDevice->PciState & T3_PCI_STATE_CONVENTIONAL_PCI_MODE))
7717 {
7718 Value32 = REG_RD(pDevice, PciCfg.PciState);
7719 REG_WR(pDevice, PciCfg.PciState,
7720 Value32 | T3_PCI_STATE_RETRY_SAME_DMA);
7721 }
7722 }
7723 if ((pDevice->LineSpeed == LM_LINE_SPEED_1000MBPS) &&
7724 (pDevice->DuplexMode == LM_DUPLEX_MODE_HALF))
7725 {
7726 REG_WR(pDevice, MacCtrl.TxLengths, 0x26ff);
7727 }
7728 else
7729 {
7730 REG_WR(pDevice, MacCtrl.TxLengths, 0x2620);
7731 }
7732 if(!T3_ASIC_IS_5705_BEYOND(pDevice->ChipRevId))
7733 {
7734 if (pDevice->LinkStatus == LM_STATUS_LINK_DOWN)
7735 {
7736 REG_WR(pDevice, HostCoalesce.StatsCoalescingTicks, 0);
7737 }
7738 else
7739 {
7740 REG_WR(pDevice, HostCoalesce.StatsCoalescingTicks,
7741 pDevice->StatsCoalescingTicks);
7742 }
7743 }
7744
7745 return LmStatus;
7746 }
7747
7748
7749 /* test data pattern */
7750 static LM_UINT32 pattern[4][6] = {
7751 /* For 5703/04, each DFE TAP has 21-bits (low word 15, hi word 6)
7752 For 5705 , each DFE TAP has 19-bits (low word 15, hi word 4)
7753 For simplicity, we check only 19-bits, so we don't have to
7754 distinguish which chip it is.
7755 the LO word contains 15 bits, make sure pattern data is < 0x7fff
7756 the HI word contains 6 bits, make sure pattern data is < 0x003f */
7757 {0x00005555, 0x00000005, /* ch0, TAP 0, LO/HI pattern */
7758 0x00002aaa, 0x0000000a, /* ch0, TAP 1, LO/HI pattern */
7759 0x00003456, 0x00000003}, /* ch0, TAP 2, LO/HI pattern */
7760
7761 {0x00002aaa, 0x0000000a, /* ch1, TAP 0, LO/HI pattern */
7762 0x00003333, 0x00000003, /* ch1, TAP 1, LO/HI pattern */
7763 0x0000789a, 0x00000005}, /* ch1, TAP 2, LO/HI pattern */
7764
7765 {0x00005a5a, 0x00000005, /* ch2, TAP 0, LO/HI pattern */
7766 0x00002a6a, 0x0000000a, /* ch2, TAP 1, LO/HI pattern */
7767 0x00001bcd, 0x00000003}, /* ch2, TAP 2, LO/HI pattern */
7768
7769 {0x00002a5a, 0x0000000a, /* ch3, TAP 0, LO/HI pattern */
7770 0x000033c3, 0x00000003, /* ch3, TAP 1, LO/HI pattern */
7771 0x00002ef1, 0x00000005}, /* ch3, TAP 2, LO/HI pattern */
7772 };
7773
7774 /********************************************************/
7775 /* Routine to wait for PHY Macro Command to complete */
7776 /* */
7777 /* If PHY's Macro operation keeps stay busy, nothing we */
7778 /* can do anyway. The timeout is there so we won't */
7779 /* stay in this routine indefinitly. */
7780 /********************************************************/
7781 static LM_UINT32 LM_wait_macro_done(LM_DEVICE_BLOCK *pDevice);
7782
7783 static LM_UINT32
7784 LM_wait_macro_done(LM_DEVICE_BLOCK *pDevice)
7785 {
7786 LM_UINT32 timeout;
7787 LM_UINT32 val32;
7788
7789 timeout = 100;
7790 while (timeout--)
7791 {
7792 /* make sure the MACRO operation is complete */
7793 LM_ReadPhy(pDevice, 0x16, &val32);
7794 if ((val32 & 0x1000) == 0) break;
7795 }
7796
7797 return( timeout > 0 );
7798 }
7799
7800 /********************************************************/
7801 /* This routine resets the PHY on following chips: */
7802 /* 5703, 04, CIOB-E and 5705 */
7803 /* */
7804 /* This routine will issue PHY_RESET and check if */
7805 /* the reset is sucessful. If not, another PHY RESET */
7806 /* will be issued, until max "retry" reaches */
7807 /* */
7808 /* Input: */
7809 /* pDevice - device's context */
7810 /* retry - number of retries */
7811 /* reset - TRUE=will cause a PHY reset initially */
7812 /* FALSE = will not issue a PHY reset */
7813 /* unless TAP lockup detected */
7814 /* */
7815 /* Output: */
7816 /* TRUE - PHY Reset is done sucessfully */
7817 /* FALSE - PHY Reset had failed, after "retry" */
7818 /* has reached */
7819 /* */
7820 /* Dependencies: */
7821 /* void LM_wait_macro_done() */
7822 /* LM_UINT32 pattern[] */
7823 /* */
7824 /* Usage: */
7825 /* a. Before calling this routine, caller must */
7826 /* determine if the chip is a 5702/03/04 or */
7827 /* CIOB-E, and only call this routine if the */
7828 /* is one of these. */
7829 /* or its derivatives. */
7830 /* b. Instead of using MII register write to reset */
7831 /* the PHY, call this routine instead */
7832 /* c. Upon return from this routine, check return */
7833 /* value (TRUE/FALSE) to determine if PHY reset */
7834 /* is successful of not and "optionally" take */
7835 /* appropriate action (such as: event log) */
7836 /* d. Regardless of the return TRUE or FALSE, */
7837 /* proceed with PHY setup as you normally would */
7838 /* after a PHY_RESET. */
7839 /* e. It is recommended that the caller will give */
7840 /* 10 "retry", however, caller can change to a */
7841 /* different number, depending on you code. */
7842 /* */
7843 /********************************************************/
7844 LM_STATUS LM_ResetPhy_5703_4_5(LM_DEVICE_BLOCK *pDevice, int retry, int reset);
7845
7846 LM_STATUS
7847 LM_ResetPhy_5703_4_5(LM_DEVICE_BLOCK *pDevice, int retry, int reset)
7848 {
7849 LM_UINT32 val32, save9;
7850 LM_UINT32 dataLo, dataHi;
7851 int i, channel;
7852 int reset_success = LM_STATUS_FAILURE;
7853 int force_reset;
7854
7855 /* to actually do a PHY_RESET or not is dictated by the caller */
7856 force_reset = reset;
7857
7858 while (retry-- && (reset_success != LM_STATUS_SUCCESS))
7859 {
7860 if (force_reset)
7861 {
7862 /* issue a phy reset, and wait for reset to complete */
7863 LM_WritePhy(pDevice, PHY_CTRL_REG, PHY_CTRL_PHY_RESET);
7864 for(i = 0; i < 100; i++)
7865 {
7866 MM_Wait(10);
7867
7868 LM_ReadPhy(pDevice, PHY_CTRL_REG, &val32);
7869 if(val32 && !(val32 & PHY_CTRL_PHY_RESET))
7870 {
7871 MM_Wait(20);
7872 break;
7873 }
7874 }
7875
7876 /* no more phy reset unless lockup detected */
7877 force_reset = FALSE;
7878 }
7879
7880 /* assuming reset is successful first */
7881 reset_success = LM_STATUS_SUCCESS;
7882
7883 /* now go check the DFE TAPs to see if locked up, but
7884 first, we need to set up PHY so we can read DFE TAPs */
7885
7886 /* Disable Transmitter and Interrupt, while we play with
7887 the PHY registers, so the link partner won't see any
7888 strange data and the Driver won't see any interrupts. */
7889 LM_ReadPhy(pDevice, 0x10, &val32);
7890 LM_WritePhy(pDevice, 0x10, val32 | 0x3000);
7891
7892 /* Setup Full-Duplex, 1000 mbps */
7893 LM_WritePhy(pDevice, 0x0, 0x0140);
7894
7895 /* Set to Master mode */
7896 LM_ReadPhy(pDevice, 0x9, &save9);
7897 LM_WritePhy(pDevice, 0x9, 0x1800);
7898
7899 /* Enable SM_DSP_CLOCK & 6dB */
7900 LM_WritePhy(pDevice, 0x18, 0x0c00);
7901
7902 /* blocks the PHY control access */
7903 LM_WritePhy(pDevice, 0x17, 0x8005);
7904 LM_WritePhy(pDevice, 0x15, 0x0800);
7905
7906 /* check TAPs for all 4 channels, as soon
7907 as we see a lockup we'll stop checking */
7908 for (channel=0; (channel<4) && (reset_success == LM_STATUS_SUCCESS);
7909 channel++)
7910 {
7911 /* select channel and set TAP index to 0 */
7912 LM_WritePhy(pDevice, 0x17, (channel * 0x2000) | 0x0200);
7913 /* freeze filter again just to be safe */
7914 LM_WritePhy(pDevice, 0x16, 0x0002);
7915
7916 /* write fixed pattern to the RAM, 3 TAPs for
7917 each channel, each TAP have 2 WORDs (LO/HI) */
7918 for (i=0; i<6; i++)
7919 LM_WritePhy(pDevice, 0x15, pattern[channel][i]);
7920
7921 /* Activate PHY's Macro operation to write DFE TAP from RAM,
7922 and wait for Macro to complete */
7923 LM_WritePhy(pDevice, 0x16, 0x0202);
7924 if (!LM_wait_macro_done(pDevice))
7925 {
7926 reset_success = LM_STATUS_FAILURE;
7927 force_reset = TRUE;
7928 break;
7929 }
7930
7931 /* --- done with write phase, now begin read phase --- */
7932
7933 /* select channel and set TAP index to 0 */
7934 LM_WritePhy(pDevice, 0x17, (channel * 0x2000) | 0x0200);
7935
7936 /* Active PHY's Macro operation to load DFE TAP to RAM,
7937 and wait for Macro to complete */
7938 LM_WritePhy(pDevice, 0x16, 0x0082);
7939 if (!LM_wait_macro_done(pDevice))
7940 {
7941 reset_success = LM_STATUS_FAILURE;
7942 force_reset = TRUE;
7943 break;
7944 }
7945
7946 /* enable "pre-fetch" */
7947 LM_WritePhy(pDevice, 0x16, 0x0802);
7948 if (!LM_wait_macro_done(pDevice))
7949 {
7950 reset_success = LM_STATUS_FAILURE;
7951 force_reset = TRUE;
7952 break;
7953 }
7954
7955 /* read back the TAP values.
7956 3 TAPs for each channel, each TAP have 2 WORDs (LO/HI) */
7957 for (i=0; i<6; i+=2)
7958 {
7959 /* read Lo/Hi then wait for 'done' is faster */
7960 LM_ReadPhy(pDevice, 0x15, &dataLo);
7961 LM_ReadPhy(pDevice, 0x15, &dataHi);
7962 if (!LM_wait_macro_done(pDevice))
7963 {
7964 reset_success = LM_STATUS_FAILURE;
7965 force_reset = TRUE;
7966 break;
7967 }
7968
7969 /* For 5703/04, each DFE TAP has 21-bits (low word 15,
7970 * hi word 6) For 5705, each DFE TAP pas 19-bits (low word 15,
7971 * hi word 4) For simplicity, we check only 19-bits, so we
7972 * don't have to distinguish which chip it is. */
7973 dataLo &= 0x7fff;
7974 dataHi &= 0x000f;
7975
7976 /* check if what we wrote is what we read back */
7977 if ( (dataLo != pattern[channel][i]) || (dataHi != pattern[channel][i+1]) )
7978 {
7979 /* if failed, then the PHY is locked up,
7980 we need to do PHY reset again */
7981 reset_success = LM_STATUS_FAILURE;
7982 force_reset = TRUE;
7983 /* 04/25/2003. sb. do these writes before issueing a reset. */
7984 /* these steps will reduce the chance of back-to-back
7985 * phy lockup after reset */
7986 LM_WritePhy(pDevice, 0x17, 0x000B);
7987 LM_WritePhy(pDevice, 0x15, 0x4001);
7988 LM_WritePhy(pDevice, 0x15, 0x4005);
7989 break;
7990 }
7991 } /* for i */
7992 } /* for channel */
7993 } /* while */
7994
7995 /* restore dfe coeff back to zeros */
7996 for (channel=0; channel<4 ; channel++)
7997 {
7998 LM_WritePhy(pDevice, 0x17, (channel * 0x2000) | 0x0200);
7999 LM_WritePhy(pDevice, 0x16, 0x0002);
8000 for (i=0; i<6; i++)
8001 LM_WritePhy(pDevice, 0x15, 0x0000);
8002 LM_WritePhy(pDevice, 0x16, 0x0202);
8003 if (!LM_wait_macro_done(pDevice))
8004 {
8005 reset_success = LM_STATUS_FAILURE;
8006 break;
8007 }
8008 }
8009
8010 /* remove block phy control */
8011 LM_WritePhy(pDevice, 0x17, 0x8005);
8012 LM_WritePhy(pDevice, 0x15, 0x0000);
8013
8014 /* unfreeze DFE TAP filter for all channels */
8015 LM_WritePhy(pDevice, 0x17, 0x8200);
8016 LM_WritePhy(pDevice, 0x16, 0x0000);
8017
8018 /* Restore PHY back to operating state */
8019 LM_WritePhy(pDevice, 0x18, 0x0400);
8020
8021 /* Restore register 9 */
8022 LM_WritePhy(pDevice, 0x9, save9);
8023
8024 /* enable transmitter and interrupt */
8025 LM_ReadPhy(pDevice, 0x10, &val32);
8026 LM_WritePhy(pDevice, 0x10, (val32 & ~0x3000));
8027
8028 return reset_success;
8029 }
8030
8031 LM_VOID
8032 LM_ResetPhy(LM_DEVICE_BLOCK *pDevice)
8033 {
8034 int j;
8035 LM_UINT32 miireg;
8036
8037 if (pDevice->PhyFlags & PHY_CHECK_TAPS_AFTER_RESET)
8038 {
8039 LM_ResetPhy_5703_4_5(pDevice, 5, 1);
8040 }
8041 else
8042 {
8043 int wait_val = 100;
8044 LM_WritePhy(pDevice, PHY_CTRL_REG, PHY_CTRL_PHY_RESET);
8045
8046 if( pDevice->PhyFlags & PHY_IS_FIBER )
8047 wait_val = 5000;
8048
8049 for(j = 0; j < wait_val; j++)
8050 {
8051 MM_Wait(10);
8052
8053 LM_ReadPhy(pDevice, PHY_CTRL_REG, &miireg);
8054 if(miireg && !(miireg & PHY_CTRL_PHY_RESET))
8055 {
8056 MM_Wait(20);
8057 break;
8058 }
8059 }
8060
8061 LM_PhyTapPowerMgmt(pDevice);
8062 }
8063 if ( (pDevice->PhyFlags & PHY_ADC_FIX) &&
8064 !( pDevice->PhyFlags & PHY_IS_FIBER) )
8065 {
8066 LM_WritePhy(pDevice, 0x18, 0x0c00);
8067 LM_WritePhy(pDevice, 0x17, 0x201f);
8068 LM_WritePhy(pDevice, 0x15, 0x2aaa);
8069 LM_WritePhy(pDevice, 0x17, 0x000a);
8070 LM_WritePhy(pDevice, 0x15, 0x0323);
8071 LM_WritePhy(pDevice, 0x18, 0x0400);
8072 }
8073 if ( (pDevice->PhyFlags & PHY_5705_5750_FIX) &&
8074 !( pDevice->PhyFlags & PHY_IS_FIBER) )
8075 {
8076 LM_WritePhy(pDevice, 0x18, 0x0c00);
8077 LM_WritePhy(pDevice, 0x17, 0x000a);
8078 LM_WritePhy(pDevice, 0x15, 0x310b);
8079 LM_WritePhy(pDevice, 0x17, 0x201f);
8080 LM_WritePhy(pDevice, 0x15, 0x9506);
8081 LM_WritePhy(pDevice, 0x17, 0x401f);
8082 LM_WritePhy(pDevice, 0x15, 0x14e2);
8083 LM_WritePhy(pDevice, 0x18, 0x0400);
8084 }
8085 if ( (pDevice->PhyFlags & PHY_5704_A0_FIX) &&
8086 !( pDevice->PhyFlags & PHY_IS_FIBER) )
8087 {
8088 LM_WritePhy(pDevice, 0x1c, 0x8d68);
8089 LM_WritePhy(pDevice, 0x1c, 0x8d68);
8090 }
8091 if ((pDevice->PhyId & PHY_ID_MASK) == PHY_BCM5401_PHY_ID)
8092 {
8093 LM_ReadPhy(pDevice, BCM540X_EXT_CTRL_REG, &miireg);
8094 miireg |= 1; /* set tx elastic fifo */
8095 LM_WritePhy(pDevice, BCM540X_EXT_CTRL_REG, miireg);
8096
8097 LM_WritePhy(pDevice, BCM5401_AUX_CTRL, 0x4c20);
8098 }
8099 else if (pDevice->Flags & JUMBO_CAPABLE_FLAG)
8100 {
8101 LM_WritePhy(pDevice, BCM5401_AUX_CTRL, 0x0007);
8102 LM_ReadPhy(pDevice, BCM5401_AUX_CTRL, &miireg);
8103 miireg |= 0x4000; /* set rx extended packet length */
8104 LM_WritePhy(pDevice, BCM5401_AUX_CTRL, miireg);
8105
8106 LM_ReadPhy(pDevice, BCM540X_EXT_CTRL_REG, &miireg);
8107 miireg |= 1; /* set tx elastic fifo */
8108 LM_WritePhy(pDevice, BCM540X_EXT_CTRL_REG, miireg);
8109
8110 }
8111
8112 LM_SetEthWireSpeed(pDevice);
8113 pDevice->PhyFlags &= ~PHY_FIBER_FALLBACK;
8114 }
8115
8116 STATIC LM_VOID
8117 LM_SetEthWireSpeed(LM_DEVICE_BLOCK *pDevice)
8118 {
8119 LM_UINT32 Value32;
8120
8121 if( pDevice->PhyFlags & PHY_IS_FIBER)
8122 return;
8123
8124 /* Enable Ethernet@WireSpeed. */
8125 if (pDevice->PhyFlags & PHY_ETHERNET_WIRESPEED)
8126 {
8127 LM_WritePhy(pDevice, 0x18, 0x7007);
8128 LM_ReadPhy(pDevice, 0x18, &Value32);
8129 LM_WritePhy(pDevice, 0x18, Value32 | BIT_15 | BIT_4);
8130 }
8131 }
8132
8133 STATIC LM_STATUS
8134 LM_PhyAdvertiseAll(LM_DEVICE_BLOCK *pDevice)
8135 {
8136 LM_UINT32 miireg;
8137
8138 LM_ReadPhy(pDevice, PHY_AN_AD_REG, &miireg);
8139 pDevice->advertising = miireg;
8140 if ((miireg & PHY_AN_AD_ALL_SPEEDS) != PHY_AN_AD_ALL_SPEEDS)
8141 {
8142 return LM_STATUS_FAILURE;
8143 }
8144
8145 LM_ReadPhy(pDevice, BCM540X_1000BASET_CTRL_REG, &miireg);
8146 pDevice->advertising1000 = miireg;
8147
8148 if (!(pDevice->PhyFlags & PHY_NO_GIGABIT))
8149 {
8150 if ((miireg & BCM540X_AN_AD_ALL_1G_SPEEDS) !=
8151 BCM540X_AN_AD_ALL_1G_SPEEDS)
8152 {
8153 return LM_STATUS_FAILURE;
8154 }
8155 }else{
8156
8157 if(miireg)
8158 {
8159 return LM_STATUS_FAILURE;
8160 }
8161 }
8162 return LM_STATUS_SUCCESS;
8163 }
8164
8165 /******************************************************************************/
8166 /* Description: */
8167 /* */
8168 /* Return: */
8169 /******************************************************************************/
8170 LM_VOID
8171 LM_ReadPhy(
8172 PLM_DEVICE_BLOCK pDevice,
8173 LM_UINT32 PhyReg,
8174 PLM_UINT32 pData32) {
8175 LM_UINT32 Value32;
8176 LM_UINT32 j;
8177
8178 if(pDevice->PhyIntMode == T3_PHY_INT_MODE_AUTO_POLLING)
8179 {
8180 REG_WR(pDevice, MacCtrl.MiMode, pDevice->MiMode &
8181 ~MI_MODE_AUTO_POLLING_ENABLE);
8182 REG_RD_BACK(pDevice, MacCtrl.MiMode);
8183 MM_Wait(40);
8184 }
8185
8186 Value32 = (pDevice->PhyAddr << MI_COM_FIRST_PHY_ADDR_BIT) |
8187 ((PhyReg & MI_COM_PHY_REG_ADDR_MASK) << MI_COM_FIRST_PHY_REG_ADDR_BIT) |
8188 MI_COM_CMD_READ | MI_COM_START;
8189
8190 REG_WR(pDevice, MacCtrl.MiCom, Value32);
8191
8192 for(j = 0; j < 200; j++)
8193 {
8194 MM_Wait(1);
8195
8196 Value32 = REG_RD(pDevice, MacCtrl.MiCom);
8197
8198 if(!(Value32 & MI_COM_BUSY))
8199 {
8200 MM_Wait(5);
8201 Value32 = REG_RD(pDevice, MacCtrl.MiCom);
8202 Value32 &= MI_COM_PHY_DATA_MASK;
8203 break;
8204 }
8205 }
8206
8207 if(Value32 & MI_COM_BUSY)
8208 {
8209 Value32 = 0;
8210 }
8211
8212 *pData32 = Value32;
8213
8214 if(pDevice->PhyIntMode == T3_PHY_INT_MODE_AUTO_POLLING)
8215 {
8216 REG_WR(pDevice, MacCtrl.MiMode, pDevice->MiMode);
8217 REG_RD_BACK(pDevice, MacCtrl.MiMode);
8218 MM_Wait(40);
8219 }
8220 } /* LM_ReadPhy */
8221
8222
8223
8224 /******************************************************************************/
8225 /* Description: */
8226 /* */
8227 /* Return: */
8228 /******************************************************************************/
8229 LM_VOID
8230 LM_WritePhy(
8231 PLM_DEVICE_BLOCK pDevice,
8232 LM_UINT32 PhyReg,
8233 LM_UINT32 Data32) {
8234 LM_UINT32 Value32;
8235 LM_UINT32 j;
8236
8237 if(pDevice->PhyIntMode == T3_PHY_INT_MODE_AUTO_POLLING)
8238 {
8239 REG_WR(pDevice, MacCtrl.MiMode, pDevice->MiMode &
8240 ~MI_MODE_AUTO_POLLING_ENABLE);
8241 REG_RD_BACK(pDevice, MacCtrl.MiMode);
8242 MM_Wait(40);
8243 }
8244
8245 Value32 = (pDevice->PhyAddr << MI_COM_FIRST_PHY_ADDR_BIT) |
8246 ((PhyReg & MI_COM_PHY_REG_ADDR_MASK) << MI_COM_FIRST_PHY_REG_ADDR_BIT) |
8247 (Data32 & MI_COM_PHY_DATA_MASK) | MI_COM_CMD_WRITE | MI_COM_START;
8248
8249 REG_WR(pDevice, MacCtrl.MiCom, Value32);
8250
8251 for(j = 0; j < 200; j++)
8252 {
8253 MM_Wait(1);
8254
8255 Value32 = REG_RD(pDevice, MacCtrl.MiCom);
8256
8257 if(!(Value32 & MI_COM_BUSY))
8258 {
8259 MM_Wait(5);
8260 break;
8261 }
8262 }
8263
8264 if(pDevice->PhyIntMode == T3_PHY_INT_MODE_AUTO_POLLING)
8265 {
8266 REG_WR(pDevice, MacCtrl.MiMode, pDevice->MiMode);
8267 REG_RD_BACK(pDevice, MacCtrl.MiMode);
8268 MM_Wait(40);
8269 }
8270 } /* LM_WritePhy */
8271
8272 /* MII read/write functions to export to the robo support code */
8273 LM_UINT16
8274 robo_miird(void *h, int phyadd, int regoff)
8275 {
8276 PLM_DEVICE_BLOCK pdev = h;
8277 LM_UINT32 savephyaddr, val32;
8278
8279 savephyaddr = pdev->PhyAddr;
8280 pdev->PhyAddr = phyadd;
8281
8282 LM_ReadPhy(pdev, regoff, &val32);
8283
8284 pdev->PhyAddr = savephyaddr;
8285
8286 return ((LM_UINT16)(val32 & 0xffff));
8287 }
8288
8289 void
8290 robo_miiwr(void *h, int phyadd, int regoff, LM_UINT16 value)
8291 {
8292 PLM_DEVICE_BLOCK pdev = h;
8293 LM_UINT32 val32, savephyaddr;
8294
8295 savephyaddr = pdev->PhyAddr;
8296 pdev->PhyAddr = phyadd;
8297
8298 val32 = (LM_UINT32)value;
8299 LM_WritePhy(pdev, regoff, val32);
8300
8301 pdev->PhyAddr = savephyaddr;
8302 }
8303
8304 STATIC void
8305 LM_GetPhyId(LM_DEVICE_BLOCK *pDevice)
8306 {
8307 LM_UINT32 Value32;
8308
8309 LM_ReadPhy(pDevice, PHY_ID1_REG, &Value32);
8310 pDevice->PhyId = (Value32 & PHY_ID1_OUI_MASK) << 10;
8311
8312 LM_ReadPhy(pDevice, PHY_ID2_REG, &Value32);
8313 pDevice->PhyId |= ((Value32 & PHY_ID2_OUI_MASK) << 16) |
8314 (Value32 & PHY_ID2_MODEL_MASK) | (Value32 & PHY_ID2_REV_MASK);
8315
8316 }
8317
8318 LM_STATUS
8319 LM_EnableMacLoopBack(PLM_DEVICE_BLOCK pDevice)
8320 {
8321 pDevice->LoopBackMode = LM_MAC_LOOP_BACK_MODE;
8322 pDevice->MacMode &= ~MAC_MODE_PORT_MODE_MASK;
8323 pDevice->MacMode |= (MAC_MODE_PORT_INTERNAL_LOOPBACK |
8324 MAC_MODE_LINK_POLARITY | MAC_MODE_PORT_MODE_GMII);
8325 REG_WR(pDevice, MacCtrl.Mode, pDevice->MacMode);
8326 MM_Wait(40);
8327 LM_SetupPhy(pDevice);
8328 return LM_STATUS_SUCCESS;
8329 }
8330
8331 LM_STATUS
8332 LM_DisableMacLoopBack(PLM_DEVICE_BLOCK pDevice)
8333 {
8334 pDevice->LoopBackMode = 0;
8335
8336 pDevice->MacMode &= ~(MAC_MODE_PORT_INTERNAL_LOOPBACK |
8337 MAC_MODE_LINK_POLARITY | MAC_MODE_PORT_MODE_MASK);
8338 REG_WR(pDevice, MacCtrl.Mode, pDevice->MacMode);
8339 MM_Wait(40);
8340 if(pDevice->PhyFlags & PHY_IS_FIBER)
8341 LM_ResetPhy(pDevice);
8342
8343 LM_SetupPhy(pDevice);
8344 return LM_STATUS_SUCCESS;
8345 }
8346
8347 LM_STATUS
8348 LM_EnablePhyLoopBack(PLM_DEVICE_BLOCK pDevice)
8349 {
8350 pDevice->LoopBackMode = LM_PHY_LOOP_BACK_MODE;
8351 LM_SetupPhy(pDevice);
8352 return LM_STATUS_SUCCESS;
8353 }
8354
8355 LM_STATUS
8356 LM_DisablePhyLoopBack(PLM_DEVICE_BLOCK pDevice)
8357 {
8358 pDevice->LoopBackMode = 0;
8359 LM_SetupPhy(pDevice);
8360 return LM_STATUS_SUCCESS;
8361 }
8362
8363 LM_STATUS
8364 LM_EnableExtLoopBack(PLM_DEVICE_BLOCK pDevice, LM_LINE_SPEED LineSpeed)
8365 {
8366 pDevice->LoopBackMode = LM_EXT_LOOP_BACK_MODE;
8367
8368 pDevice->SavedDisableAutoNeg = pDevice->DisableAutoNeg;
8369 pDevice->SavedRequestedLineSpeed = pDevice->RequestedLineSpeed;
8370 pDevice->SavedRequestedDuplexMode = pDevice->RequestedDuplexMode;
8371
8372 pDevice->DisableAutoNeg = TRUE;
8373 pDevice->RequestedLineSpeed = LineSpeed;
8374 pDevice->RequestedDuplexMode = LM_DUPLEX_MODE_FULL;
8375 LM_SetupPhy(pDevice);
8376 return LM_STATUS_SUCCESS;
8377 }
8378
8379 LM_STATUS
8380 LM_DisableExtLoopBack(PLM_DEVICE_BLOCK pDevice)
8381 {
8382 pDevice->LoopBackMode = 0;
8383
8384 pDevice->DisableAutoNeg = pDevice->SavedDisableAutoNeg;
8385 pDevice->RequestedLineSpeed = pDevice->SavedRequestedLineSpeed;
8386 pDevice->RequestedDuplexMode = pDevice->SavedRequestedDuplexMode;
8387
8388 LM_SetupPhy(pDevice);
8389 return LM_STATUS_SUCCESS;
8390 }
8391
8392 /******************************************************************************/
8393 /* Description: */
8394 /* */
8395 /* Return: */
8396 /******************************************************************************/
8397 LM_STATUS
8398 LM_SetPowerState(
8399 PLM_DEVICE_BLOCK pDevice,
8400 LM_POWER_STATE PowerLevel)
8401 {
8402 #ifdef BCM_WOL
8403 LM_UINT32 PmeSupport;
8404 PLM_DEVICE_BLOCK pDevice2 = 0;
8405 int j;
8406 #endif
8407 LM_UINT32 Value32;
8408 LM_UINT32 PmCtrl;
8409
8410 /* make sureindirect accesses are enabled*/
8411 MM_WriteConfig32(pDevice, T3_PCI_MISC_HOST_CTRL_REG, pDevice->MiscHostCtrl);
8412
8413 /* Clear the PME_ASSERT bit and the power state bits. Also enable */
8414 /* the PME bit. */
8415 MM_ReadConfig32(pDevice, T3_PCI_PM_STATUS_CTRL_REG, &PmCtrl);
8416
8417 PmCtrl |= T3_PM_PME_ASSERTED;
8418 PmCtrl &= ~T3_PM_POWER_STATE_MASK;
8419
8420 /* Set the appropriate power state. */
8421 if(PowerLevel == LM_POWER_STATE_D0)
8422 {
8423 /* Bring the card out of low power mode. */
8424 PmCtrl |= T3_PM_POWER_STATE_D0;
8425 MM_WriteConfig32(pDevice, T3_PCI_PM_STATUS_CTRL_REG, PmCtrl);
8426
8427 Value32 = REG_RD(pDevice, Grc.LocalCtrl);
8428
8429 if(T3_ASIC_5752(pDevice->ChipRevId)){
8430 Value32 |= (GRC_MISC_LOCAL_CTRL_GPIO_OE3 |
8431 GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT3 |
8432 GRC_MISC_LOCAL_CTRL_GPIO_OE0 |
8433 GRC_MISC_LOCAL_CTRL_GPIO_OE1 |
8434 GRC_MISC_LOCAL_CTRL_GPIO_OE2 |
8435 GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT0 |
8436 GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT1 |
8437 GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT2);
8438 }
8439 else
8440 {
8441 Value32 &= ~(GRC_MISC_LOCAL_CTRL_GPIO_OE0 |
8442 GRC_MISC_LOCAL_CTRL_GPIO_OE1 |
8443 GRC_MISC_LOCAL_CTRL_GPIO_OE2 |
8444 GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT0 |
8445 GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT1 |
8446 GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT2);
8447 }
8448
8449 RAW_REG_WR(pDevice, Grc.LocalCtrl, Value32);
8450
8451 MM_Wait(40); /* Required delay is about 20us. */
8452
8453 pDevice->PowerLevel = PowerLevel;
8454 return LM_STATUS_SUCCESS;
8455 }
8456 #ifdef BCM_WOL
8457 else if(PowerLevel == LM_POWER_STATE_D1)
8458 {
8459 PmCtrl |= T3_PM_POWER_STATE_D1;
8460 }
8461 else if(PowerLevel == LM_POWER_STATE_D2)
8462 {
8463 PmCtrl |= T3_PM_POWER_STATE_D2;
8464 }
8465 else if(PowerLevel == LM_POWER_STATE_D3)
8466 {
8467 PmCtrl |= T3_PM_POWER_STATE_D3;
8468 }
8469 else
8470 {
8471 return LM_STATUS_FAILURE;
8472 }
8473 PmCtrl |= T3_PM_PME_ENABLE;
8474
8475 /* Mask out all interrupts so LM_SetupPhy won't be called while we are */
8476 /* setting new line speed. */
8477 Value32 = REG_RD(pDevice, PciCfg.MiscHostCtrl);
8478 REG_WR(pDevice, PciCfg.MiscHostCtrl, Value32 | MISC_HOST_CTRL_MASK_PCI_INT);
8479
8480 if(!pDevice->RestoreOnWakeUp)
8481 {
8482 pDevice->RestoreOnWakeUp = TRUE;
8483 pDevice->WakeUpDisableAutoNeg = pDevice->DisableAutoNeg;
8484 pDevice->WakeUpRequestedLineSpeed = pDevice->RequestedLineSpeed;
8485 pDevice->WakeUpRequestedDuplexMode = pDevice->RequestedDuplexMode;
8486 }
8487
8488 /* Force auto-negotiation to 10 line speed. */
8489 pDevice->DisableAutoNeg = FALSE;
8490
8491 if (!(pDevice->TbiFlags & ENABLE_TBI_FLAG))
8492 {
8493 pDevice->RequestedLineSpeed = LM_LINE_SPEED_10MBPS;
8494 LM_SetupPhy(pDevice);
8495 }
8496
8497 /* Put the driver in the initial state, and go through the power down */
8498 /* sequence. */
8499 LM_DoHalt(pDevice);
8500
8501 if (!(pDevice->AsfFlags & ASF_ENABLED))
8502 {
8503 for(j = 0; j < 20000; j++)
8504 {
8505 MM_Wait(10);
8506
8507 Value32 = MEM_RD_OFFSET(pDevice, T3_ASF_FW_STATUS_MAILBOX);
8508 if(Value32 == ~T3_MAGIC_NUM_FIRMWARE_INIT_DONE)
8509 {
8510 break;
8511 }
8512 }
8513 }
8514
8515 MEM_WR_OFFSET(pDevice, DRV_WOL_MAILBOX, DRV_WOL_SIGNATURE |
8516 DRV_DOWN_STATE_SHUTDOWN | 0x2 | DRV_WOL_SET_MAGIC_PKT);
8517
8518 MM_ReadConfig32(pDevice, T3_PCI_PM_CAP_REG, &PmeSupport);
8519
8520 if (pDevice->WakeUpModeCap != LM_WAKE_UP_MODE_NONE)
8521 {
8522
8523 /* Enable WOL. */
8524 if (!(pDevice->TbiFlags & ENABLE_TBI_FLAG))
8525 {
8526 LM_WritePhy(pDevice, BCM5401_AUX_CTRL, 0x5a);
8527 MM_Wait(40);
8528 }
8529
8530 if (! T3_ASIC_IS_575X_PLUS(pDevice->ChipRevId))
8531 {
8532 /* Let boot code deal with LED mode on shasta */
8533 REG_WR(pDevice, MacCtrl.LedCtrl, pDevice->LedCtrl);
8534 }
8535
8536 if (pDevice->TbiFlags & ENABLE_TBI_FLAG)
8537 {
8538 Value32 = MAC_MODE_PORT_MODE_TBI;
8539 }
8540 else
8541 {
8542 Value32 = MAC_MODE_PORT_MODE_MII;
8543 if(T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5700)
8544 {
8545 if(pDevice->LedCtrl == LED_CTRL_PHY_MODE_2 ||
8546 pDevice->WolSpeed == WOL_SPEED_10MB)
8547 {
8548 Value32 |= MAC_MODE_LINK_POLARITY;
8549 }
8550 }
8551 else
8552 {
8553 Value32 |= MAC_MODE_LINK_POLARITY;
8554 }
8555 }
8556 REG_WR(pDevice, MacCtrl.Mode, Value32);
8557 REG_RD_BACK(pDevice, MacCtrl.Mode);
8558 MM_Wait(40); MM_Wait(40); MM_Wait(40);
8559
8560 /* Always enable magic packet wake-up if we have vaux. */
8561 if((PmeSupport & T3_PCI_PM_CAP_PME_D3COLD) &&
8562 (pDevice->WakeUpModeCap & LM_WAKE_UP_MODE_MAGIC_PACKET))
8563 {
8564 Value32 |= MAC_MODE_DETECT_MAGIC_PACKET_ENABLE;
8565 }
8566
8567 #ifdef BCM_ASF
8568 if (pDevice->AsfFlags & ASF_ENABLED)
8569 {
8570 Value32 &= ~MAC_MODE_ACPI_POWER_ON_ENABLE;
8571 }
8572 #endif
8573 REG_WR(pDevice, MacCtrl.Mode, Value32);
8574
8575 /* Enable the receiver. */
8576 REG_WR(pDevice, MacCtrl.RxMode, RX_MODE_ENABLE);
8577 }
8578 else if (!(pDevice->AsfFlags & ASF_ENABLED))
8579 {
8580 if (pDevice->TbiFlags & ENABLE_TBI_FLAG)
8581 {
8582 REG_WR(pDevice, MacCtrl.LedCtrl, LED_CTRL_OVERRIDE_LINK_LED |
8583 LED_CTRL_OVERRIDE_TRAFFIC_LED);
8584 }
8585 else
8586 {
8587 LM_WritePhy(pDevice, BCM540X_EXT_CTRL_REG,
8588 BCM540X_EXT_CTRL_FORCE_LED_OFF);
8589 LM_WritePhy(pDevice, 0x18, 0x01b2);
8590 if ((T3_ASIC_REV(pDevice->ChipRevId) != T3_ASIC_REV_5700) &&
8591 (T3_ASIC_REV(pDevice->ChipRevId) != T3_ASIC_REV_5704) &&
8592 !T3_ASIC_IS_5705_BEYOND(pDevice->ChipRevId) )
8593 {
8594 LM_WritePhy(pDevice, PHY_CTRL_REG, PHY_CTRL_LOWER_POWER_MODE);
8595 }
8596 }
8597 }
8598
8599 /* Disable tx/rx clocks, and select an alternate clock. */
8600 if (T3_ASIC_5714_FAMILY(pDevice->ChipRevId)){
8601 /* Do nothing */
8602 }
8603 else if ((T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5700) ||
8604 ((T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5701) &&
8605 (pDevice->WolSpeed == WOL_SPEED_10MB)))
8606 {
8607 Value32 = T3_PCI_DISABLE_RX_CLOCK | T3_PCI_DISABLE_TX_CLOCK |
8608 T3_PCI_SELECT_ALTERNATE_CLOCK |
8609 T3_PCI_POWER_DOWN_PCI_PLL133;
8610
8611 REG_WR(pDevice, PciCfg.ClockCtrl, pDevice->ClockCtrl | Value32);
8612 }
8613 /* ASF on 5750 will not run properly on slow core clock */
8614 else if( !(T3_ASIC_IS_575X_PLUS(pDevice->ChipRevId) &&
8615 (pDevice->AsfFlags & ASF_ENABLED) ))
8616 {
8617 if(T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5701)
8618 {
8619 Value32 = T3_PCI_DISABLE_RX_CLOCK | T3_PCI_DISABLE_TX_CLOCK |
8620 T3_PCI_SELECT_ALTERNATE_CLOCK;
8621 }
8622 else if(T3_ASIC_IS_5705_BEYOND(pDevice->ChipRevId) )
8623 {
8624 Value32 = T3_PCI_625_CORE_CLOCK;
8625 }
8626 else
8627 {
8628 Value32 = T3_PCI_SELECT_ALTERNATE_CLOCK;
8629 }
8630 RAW_REG_WR(pDevice, PciCfg.ClockCtrl, pDevice->ClockCtrl | Value32);
8631
8632 MM_Wait(40);
8633
8634 if(T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5700 ||
8635 T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5701)
8636 {
8637 Value32 = T3_PCI_DISABLE_RX_CLOCK | T3_PCI_DISABLE_TX_CLOCK |
8638 T3_PCI_SELECT_ALTERNATE_CLOCK | T3_PCI_44MHZ_CORE_CLOCK;
8639 }
8640 else if(T3_ASIC_IS_5705_BEYOND(pDevice->ChipRevId) )
8641 {
8642 Value32 = T3_PCI_SELECT_ALTERNATE_CLOCK | T3_PCI_625_CORE_CLOCK;
8643 }
8644 else if(!T3_ASIC_5714_FAMILY(pDevice->ChipRevId))
8645 {
8646 Value32 = T3_PCI_SELECT_ALTERNATE_CLOCK | T3_PCI_44MHZ_CORE_CLOCK;
8647 }
8648
8649 RAW_REG_WR(pDevice, PciCfg.ClockCtrl, pDevice->ClockCtrl | Value32);
8650
8651 if (!T3_ASIC_IS_5705_BEYOND(pDevice->ChipRevId))
8652 {
8653 MM_Wait(40);
8654
8655 if(T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5700 ||
8656 T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5701)
8657 {
8658 Value32 = T3_PCI_DISABLE_RX_CLOCK | T3_PCI_DISABLE_TX_CLOCK |
8659 T3_PCI_44MHZ_CORE_CLOCK;
8660 }
8661 else
8662 {
8663 Value32 = T3_PCI_44MHZ_CORE_CLOCK;
8664 }
8665
8666 RAW_REG_WR(pDevice, PciCfg.ClockCtrl, pDevice->ClockCtrl | Value32);
8667 }
8668 }
8669
8670 MM_Wait(40);
8671
8672 if (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5704)
8673 {
8674 pDevice2 = MM_FindPeerDev(pDevice);
8675 }
8676 if (!(pDevice->Flags & EEPROM_WP_FLAG))
8677 {
8678 LM_SwitchVaux(pDevice, pDevice2);
8679 }
8680
8681 LM_WritePostResetSignatures(pDevice, LM_SHUTDOWN_RESET);
8682
8683 if((T3_CHIP_REV(pDevice->ChipRevId) == T3_CHIP_REV_5750_AX) ||
8684 (T3_CHIP_REV(pDevice->ChipRevId) == T3_CHIP_REV_5750_BX)) {
8685
8686 Value32= REG_RD_OFFSET(pDevice, 0x7d00);
8687 REG_WR_OFFSET(pDevice, 0x7d00,Value32 & ~(BIT_16 | BIT_4 | BIT_2 | BIT_1 | BIT_0));
8688
8689 if(!(pDevice->AsfFlags & ASF_ENABLED))
8690 LM_HaltCpu(pDevice, T3_RX_CPU_ID);
8691
8692 }
8693
8694 /* Put the the hardware in low power mode. */
8695 if (!(pDevice->Flags & DISABLE_D3HOT_FLAG))
8696 {
8697 MM_WriteConfig32(pDevice, T3_PCI_PM_STATUS_CTRL_REG, PmCtrl);
8698 MM_Wait(200); /* Wait 200us for state transition */
8699 }
8700
8701 pDevice->PowerLevel = PowerLevel;
8702
8703 #else
8704 LM_WritePostResetSignatures(pDevice, LM_SHUTDOWN_RESET);
8705 #endif /* BCM_WOL */
8706
8707 return LM_STATUS_SUCCESS;
8708 } /* LM_SetPowerState */
8709
8710
8711 LM_VOID
8712 LM_SwitchVaux(PLM_DEVICE_BLOCK pDevice, PLM_DEVICE_BLOCK pDevice2)
8713 {
8714 if(T3_ASIC_5714_FAMILY(pDevice->ChipRevId))
8715 return;
8716
8717 pDevice->GrcLocalCtrl &= ~(GRC_MISC_LOCAL_CTRL_GPIO_OE0 |
8718 GRC_MISC_LOCAL_CTRL_GPIO_OE1 |
8719 GRC_MISC_LOCAL_CTRL_GPIO_OE2 |
8720 GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT0 |
8721 GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT1 |
8722 GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT2);
8723
8724 /* Switch adapter to auxilliary power if WOL enabled */
8725 if ((pDevice->WakeUpModeCap != LM_WAKE_UP_MODE_NONE) ||
8726 (pDevice->AsfFlags & ASF_ENABLED) ||
8727 (pDevice2 && ((pDevice2->WakeUpModeCap != LM_WAKE_UP_MODE_NONE) ||
8728 (pDevice2->AsfFlags & ASF_ENABLED))))
8729 {
8730 if (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5700 ||
8731 T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5701)
8732 {
8733 /* GPIO0 = 1, GPIO1 = 1, GPIO2 = 0. */
8734 RAW_REG_WR(pDevice, Grc.LocalCtrl, pDevice->GrcLocalCtrl |
8735 GRC_MISC_LOCAL_CTRL_GPIO_OE0 |
8736 GRC_MISC_LOCAL_CTRL_GPIO_OE1 |
8737 GRC_MISC_LOCAL_CTRL_GPIO_OE2 |
8738 GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT0 |
8739 GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT1);
8740 MM_Wait(40);
8741 }
8742 else
8743 {
8744 if (pDevice2 && pDevice2->InitDone)
8745 {
8746 return;
8747 }
8748
8749 /* On NICs GPIOs are used for vaux.
8750 The transition of GPIO0 from 0-1 causes vaux
8751 to power up. Transition of GPIO1 from 1-0 turns vaux off.
8752 GPIO2 transition from 1-0 enables a non-glitch vaux
8753 transition from one state to another.
8754 On certain designs we should not output GPIO2.
8755 */
8756 if(pDevice->Flags & GPIO2_DONOT_OUTPUT)
8757 {
8758 /* GPIO0 = 0, GPIO1 = 1. */
8759 RAW_REG_WR(pDevice, Grc.LocalCtrl, pDevice->GrcLocalCtrl |
8760 GRC_MISC_LOCAL_CTRL_GPIO_OE0 |
8761 GRC_MISC_LOCAL_CTRL_GPIO_OE1 |
8762 GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT1);
8763
8764 MM_Wait(40);
8765
8766 /* GPIO0 = 1, GPIO1 = 1. */
8767 RAW_REG_WR(pDevice, Grc.LocalCtrl, pDevice->GrcLocalCtrl |
8768 GRC_MISC_LOCAL_CTRL_GPIO_OE0 |
8769 GRC_MISC_LOCAL_CTRL_GPIO_OE1 |
8770 GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT0 |
8771 GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT1);
8772
8773 MM_Wait(40);
8774 }
8775 else
8776 {
8777
8778 /* GPIO0 = 0, GPIO1 = 1, GPIO2 = 1. */
8779 RAW_REG_WR(pDevice, Grc.LocalCtrl, pDevice->GrcLocalCtrl |
8780 GRC_MISC_LOCAL_CTRL_GPIO_OE0 |
8781 GRC_MISC_LOCAL_CTRL_GPIO_OE1 |
8782 GRC_MISC_LOCAL_CTRL_GPIO_OE2 |
8783 GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT1 |
8784 GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT2);
8785
8786 MM_Wait(40);
8787
8788 /* GPIO0 = 1, GPIO1 = 1, GPIO2 = 1. */
8789 RAW_REG_WR(pDevice, Grc.LocalCtrl, pDevice->GrcLocalCtrl |
8790 GRC_MISC_LOCAL_CTRL_GPIO_OE0 |
8791 GRC_MISC_LOCAL_CTRL_GPIO_OE1 |
8792 GRC_MISC_LOCAL_CTRL_GPIO_OE2 |
8793 GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT0 |
8794 GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT1 |
8795 GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT2);
8796 MM_Wait(40);
8797
8798 /* GPIO0 = 1, GPIO1 = 1, GPIO2 = 0. */
8799 RAW_REG_WR(pDevice, Grc.LocalCtrl, pDevice->GrcLocalCtrl |
8800 GRC_MISC_LOCAL_CTRL_GPIO_OE0 |
8801 GRC_MISC_LOCAL_CTRL_GPIO_OE1 |
8802 GRC_MISC_LOCAL_CTRL_GPIO_OE2 |
8803 GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT0 |
8804 GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT1);
8805 MM_Wait(40);
8806 } /* GPIO2 OK */
8807 } /* Not 5700||5701 */
8808 } /* WOL disabled */
8809 else
8810 {
8811 if ((T3_ASIC_REV(pDevice->ChipRevId) != T3_ASIC_REV_5700) &&
8812 (T3_ASIC_REV(pDevice->ChipRevId) != T3_ASIC_REV_5701))
8813 {
8814 if (pDevice2 && pDevice2->InitDone)
8815 {
8816 return;
8817 }
8818
8819 /* GPIO1 = 1 */
8820 RAW_REG_WR(pDevice, Grc.LocalCtrl, pDevice->GrcLocalCtrl |
8821 GRC_MISC_LOCAL_CTRL_GPIO_OE1 |
8822 GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT1);
8823 MM_Wait(40);
8824
8825 /* GPIO1 = 0 */
8826 RAW_REG_WR(pDevice, Grc.LocalCtrl, pDevice->GrcLocalCtrl |
8827 GRC_MISC_LOCAL_CTRL_GPIO_OE1);
8828 MM_Wait(40);
8829
8830 /* GPIO1 = 1 */
8831 RAW_REG_WR(pDevice, Grc.LocalCtrl, pDevice->GrcLocalCtrl |
8832 GRC_MISC_LOCAL_CTRL_GPIO_OE1 |
8833 GRC_MISC_LOCAL_CTRL_GPIO_OUTPUT1);
8834 MM_Wait(40);
8835 }
8836 }
8837 }
8838
8839
8840 /******************************************************************************/
8841 /* Description: */
8842 /* */
8843 /* Return: */
8844 /******************************************************************************/
8845 static LM_UINT32
8846 GetPhyAdFlowCntrlSettings(
8847 PLM_DEVICE_BLOCK pDevice)
8848 {
8849 LM_UINT32 Value32;
8850
8851 Value32 = 0;
8852
8853 /* Auto negotiation flow control only when autonegotiation is enabled. */
8854 if(pDevice->DisableAutoNeg == FALSE ||
8855 pDevice->RequestedLineSpeed == LM_LINE_SPEED_AUTO)
8856 {
8857 if (T3_ASIC_5714_FAMILY(pDevice->ChipRevId) &&
8858 (pDevice->PhyFlags & PHY_IS_FIBER)) {
8859
8860 /* Please refer to Table 28B-3 of the 802.3ab-1999 spec. */
8861 if((pDevice->FlowControlCap == LM_FLOW_CONTROL_AUTO_PAUSE) ||
8862 ((pDevice->FlowControlCap & LM_FLOW_CONTROL_RECEIVE_PAUSE) &&
8863 (pDevice->FlowControlCap & LM_FLOW_CONTROL_TRANSMIT_PAUSE)))
8864 {
8865 Value32 |=PHY_AN_AD_1000XPAUSE;
8866 }
8867 else if(pDevice->FlowControlCap & LM_FLOW_CONTROL_TRANSMIT_PAUSE)
8868 {
8869 Value32 |= PHY_AN_AD_1000XPSE_ASYM;
8870 }
8871 else if(pDevice->FlowControlCap & LM_FLOW_CONTROL_RECEIVE_PAUSE)
8872 {
8873 Value32 |= (PHY_AN_AD_1000XPSE_ASYM | PHY_AN_AD_1000XPAUSE);
8874 }
8875
8876 }else{
8877
8878 /* Please refer to Table 28B-3 of the 802.3ab-1999 spec. */
8879 if((pDevice->FlowControlCap == LM_FLOW_CONTROL_AUTO_PAUSE) ||
8880 ((pDevice->FlowControlCap & LM_FLOW_CONTROL_RECEIVE_PAUSE) &&
8881 (pDevice->FlowControlCap & LM_FLOW_CONTROL_TRANSMIT_PAUSE)))
8882 {
8883 Value32 |= PHY_AN_AD_PAUSE_CAPABLE;
8884 }
8885 else if(pDevice->FlowControlCap & LM_FLOW_CONTROL_TRANSMIT_PAUSE)
8886 {
8887 Value32 |= PHY_AN_AD_ASYM_PAUSE;
8888 }
8889 else if(pDevice->FlowControlCap & LM_FLOW_CONTROL_RECEIVE_PAUSE)
8890 {
8891 Value32 |= PHY_AN_AD_PAUSE_CAPABLE | PHY_AN_AD_ASYM_PAUSE;
8892 }
8893 }
8894 }
8895
8896 return Value32;
8897 }
8898
8899
8900
8901 /******************************************************************************/
8902 /* Description: */
8903 /* */
8904 /* Return: */
8905 /* LM_STATUS_FAILURE */
8906 /* LM_STATUS_SUCCESS */
8907 /* */
8908 /******************************************************************************/
8909 static LM_STATUS
8910 LM_ForceAutoNeg(PLM_DEVICE_BLOCK pDevice)
8911 {
8912 LM_LINE_SPEED LineSpeed;
8913 LM_DUPLEX_MODE DuplexMode;
8914 LM_UINT32 NewPhyCtrl;
8915 LM_UINT32 Value32, PhyReg18;
8916 LM_UINT32 Cnt;
8917
8918 /* Get the interface type, line speed, and duplex mode. */
8919 LineSpeed = pDevice->RequestedLineSpeed;
8920 DuplexMode = pDevice->RequestedDuplexMode;
8921
8922 /* Exit ext. loop back, in case it was in ext. loopback mode */
8923 /* Set Extended packet length bit on chips that support jumbo frames */
8924 if ((pDevice->PhyId & PHY_ID_MASK) == PHY_BCM5401_PHY_ID)
8925 {
8926 LM_WritePhy(pDevice, BCM5401_AUX_CTRL, 0x4c20);
8927
8928 LM_ReadPhy(pDevice, BCM540X_EXT_CTRL_REG, &Value32);
8929 Value32 |= 1; /* set tx elastic fifo */
8930 LM_WritePhy(pDevice, BCM540X_EXT_CTRL_REG, Value32);
8931
8932 }
8933 else
8934 {
8935 LM_WritePhy(pDevice, BCM5401_AUX_CTRL, 0x0007);
8936 LM_ReadPhy(pDevice, BCM5401_AUX_CTRL, &PhyReg18);
8937 PhyReg18 &= ~0x8000; /* clear external loop back */
8938
8939 if (pDevice->Flags & JUMBO_CAPABLE_FLAG)
8940 {
8941 PhyReg18 |= 0x4000; /* set extended packet length */
8942 LM_ReadPhy(pDevice, BCM540X_EXT_CTRL_REG, &Value32);
8943 Value32 |= 1; /* set tx elastic fifo */
8944 LM_WritePhy(pDevice, BCM540X_EXT_CTRL_REG, Value32);
8945 }
8946 LM_WritePhy(pDevice, BCM5401_AUX_CTRL, PhyReg18);
8947 }
8948
8949 #ifdef BCM_WOL
8950 if (pDevice->RestoreOnWakeUp)
8951 {
8952 LM_WritePhy(pDevice, BCM540X_1000BASET_CTRL_REG, 0);
8953 pDevice->advertising1000 = 0;
8954 Value32 = PHY_AN_AD_10BASET_FULL | PHY_AN_AD_10BASET_HALF;
8955 if (pDevice->WolSpeed == WOL_SPEED_100MB)
8956 {
8957 Value32 |= PHY_AN_AD_100BASETX_FULL | PHY_AN_AD_100BASETX_HALF;
8958 }
8959 Value32 |= PHY_AN_AD_PROTOCOL_802_3_CSMA_CD;
8960 Value32 |= GetPhyAdFlowCntrlSettings(pDevice);
8961 LM_WritePhy(pDevice, PHY_AN_AD_REG, Value32);
8962 pDevice->advertising = Value32;
8963 }
8964 /* Setup the auto-negotiation advertisement register. */
8965 else if(LineSpeed == LM_LINE_SPEED_UNKNOWN)
8966 #else
8967 /* Setup the auto-negotiation advertisement register. */
8968 if(LineSpeed == LM_LINE_SPEED_UNKNOWN)
8969 #endif
8970 {
8971 /* Setup the 10/100 Mbps auto-negotiation advertisement register. */
8972 Value32 = PHY_AN_AD_PROTOCOL_802_3_CSMA_CD | PHY_AN_AD_ALL_SPEEDS;
8973 Value32 |= GetPhyAdFlowCntrlSettings(pDevice);
8974
8975 LM_WritePhy(pDevice, PHY_AN_AD_REG, Value32);
8976 pDevice->advertising = Value32;
8977
8978 /* Advertise 1000Mbps */
8979 if (!(pDevice->PhyFlags & PHY_NO_GIGABIT))
8980 {
8981 Value32 = BCM540X_AN_AD_ALL_1G_SPEEDS;
8982
8983 #ifdef INCLUDE_5701_AX_FIX
8984 /* slave mode. This will force the PHY to operate in */
8985 /* master mode. */
8986 if(pDevice->ChipRevId == T3_CHIP_ID_5701_A0 ||
8987 pDevice->ChipRevId == T3_CHIP_ID_5701_B0)
8988 {
8989 Value32 |= BCM540X_CONFIG_AS_MASTER |
8990 BCM540X_ENABLE_CONFIG_AS_MASTER;
8991 }
8992 #endif
8993
8994 LM_WritePhy(pDevice, BCM540X_1000BASET_CTRL_REG, Value32);
8995 pDevice->advertising1000 = Value32;
8996 }
8997 else
8998 {
8999 LM_WritePhy(pDevice, BCM540X_1000BASET_CTRL_REG, 0);
9000 pDevice->advertising1000 = 0;
9001 }
9002 }
9003 else
9004 {
9005 if ((pDevice->PhyFlags & PHY_NO_GIGABIT) &&
9006 (LineSpeed == LM_LINE_SPEED_1000MBPS))
9007 {
9008 LineSpeed = LM_LINE_SPEED_100MBPS;
9009 }
9010 if(LineSpeed == LM_LINE_SPEED_1000MBPS)
9011 {
9012 Value32 = PHY_AN_AD_PROTOCOL_802_3_CSMA_CD;
9013 Value32 |= GetPhyAdFlowCntrlSettings(pDevice);
9014
9015 LM_WritePhy(pDevice, PHY_AN_AD_REG, Value32);
9016 pDevice->advertising = Value32;
9017
9018 if(DuplexMode != LM_DUPLEX_MODE_FULL)
9019 {
9020 Value32 = BCM540X_AN_AD_1000BASET_HALF;
9021 }
9022 else
9023 {
9024 Value32 = BCM540X_AN_AD_1000BASET_FULL;
9025 }
9026
9027 #ifdef INCLUDE_5701_AX_FIX
9028 if ((pDevice->LoopBackMode == LM_EXT_LOOP_BACK_MODE) ||
9029 (pDevice->ChipRevId == T3_CHIP_ID_5701_A0 ||
9030 pDevice->ChipRevId == T3_CHIP_ID_5701_B0))
9031 #else
9032 if (pDevice->LoopBackMode == LM_EXT_LOOP_BACK_MODE)
9033 #endif
9034 {
9035 Value32 |= BCM540X_CONFIG_AS_MASTER |
9036 BCM540X_ENABLE_CONFIG_AS_MASTER;
9037 }
9038 LM_WritePhy(pDevice, BCM540X_1000BASET_CTRL_REG, Value32);
9039 pDevice->advertising1000 = Value32;
9040 if (pDevice->LoopBackMode == LM_EXT_LOOP_BACK_MODE)
9041 {
9042 if ((pDevice->PhyId & PHY_ID_MASK) == PHY_BCM5401_PHY_ID)
9043 {
9044 LM_WritePhy(pDevice, BCM5401_AUX_CTRL, 0x8c20);
9045 }
9046 else
9047 {
9048 LM_WritePhy(pDevice, BCM5401_AUX_CTRL, 0x0007);
9049 LM_ReadPhy(pDevice, BCM5401_AUX_CTRL, &PhyReg18);
9050 PhyReg18 |= 0x8000; /* set loop back */
9051 LM_WritePhy(pDevice, BCM5401_AUX_CTRL, PhyReg18);
9052 }
9053 }
9054 }
9055 else if(LineSpeed == LM_LINE_SPEED_100MBPS)
9056 {
9057 LM_WritePhy(pDevice, BCM540X_1000BASET_CTRL_REG, 0);
9058 pDevice->advertising1000 = 0;
9059
9060 if(DuplexMode != LM_DUPLEX_MODE_FULL)
9061 {
9062 Value32 = PHY_AN_AD_100BASETX_HALF;
9063 }
9064 else
9065 {
9066 Value32 = PHY_AN_AD_100BASETX_FULL;
9067 }
9068
9069 Value32 |= PHY_AN_AD_PROTOCOL_802_3_CSMA_CD;
9070 Value32 |= GetPhyAdFlowCntrlSettings(pDevice);
9071
9072 LM_WritePhy(pDevice, PHY_AN_AD_REG, Value32);
9073 pDevice->advertising = Value32;
9074 }
9075 else if(LineSpeed == LM_LINE_SPEED_10MBPS)
9076 {
9077 LM_WritePhy(pDevice, BCM540X_1000BASET_CTRL_REG, 0);
9078 pDevice->advertising1000 = 0;
9079
9080 if(DuplexMode != LM_DUPLEX_MODE_FULL)
9081 {
9082 Value32 = PHY_AN_AD_10BASET_HALF;
9083 }
9084 else
9085 {
9086 Value32 = PHY_AN_AD_10BASET_FULL;
9087 }
9088
9089 Value32 |= PHY_AN_AD_PROTOCOL_802_3_CSMA_CD;
9090 Value32 |= GetPhyAdFlowCntrlSettings(pDevice);
9091
9092 LM_WritePhy(pDevice, PHY_AN_AD_REG, Value32);
9093 pDevice->advertising = Value32;
9094 }
9095 }
9096
9097 /* Force line speed if auto-negotiation is disabled. */
9098 if(pDevice->DisableAutoNeg && LineSpeed != LM_LINE_SPEED_UNKNOWN)
9099 {
9100 /* This code path is executed only when there is link. */
9101 pDevice->LineSpeed = LineSpeed;
9102 pDevice->DuplexMode = DuplexMode;
9103
9104 /* Force line seepd. */
9105 NewPhyCtrl = 0;
9106 switch(LineSpeed)
9107 {
9108 case LM_LINE_SPEED_10MBPS:
9109 NewPhyCtrl |= PHY_CTRL_SPEED_SELECT_10MBPS;
9110 break;
9111 case LM_LINE_SPEED_100MBPS:
9112 NewPhyCtrl |= PHY_CTRL_SPEED_SELECT_100MBPS;
9113 break;
9114 case LM_LINE_SPEED_1000MBPS:
9115 NewPhyCtrl |= PHY_CTRL_SPEED_SELECT_1000MBPS;
9116 break;
9117 default:
9118 NewPhyCtrl |= PHY_CTRL_SPEED_SELECT_1000MBPS;
9119 break;
9120 }
9121
9122 if(DuplexMode == LM_DUPLEX_MODE_FULL)
9123 {
9124 NewPhyCtrl |= PHY_CTRL_FULL_DUPLEX_MODE;
9125 }
9126
9127 /* Don't do anything if the PHY_CTRL is already what we wanted. */
9128 LM_ReadPhy(pDevice, PHY_CTRL_REG, &Value32);
9129 if(Value32 != NewPhyCtrl)
9130 {
9131 /* Temporary bring the link down before forcing line speed. */
9132 LM_WritePhy(pDevice, PHY_CTRL_REG, PHY_CTRL_LOOPBACK_MODE);
9133
9134 /* Wait for link to go down. */
9135 for(Cnt = 0; Cnt < 1500; Cnt++)
9136 {
9137 MM_Wait(10);
9138
9139 LM_ReadPhy(pDevice, PHY_STATUS_REG, &Value32);
9140 LM_ReadPhy(pDevice, PHY_STATUS_REG, &Value32);
9141
9142 if(!(Value32 & PHY_STATUS_LINK_PASS))
9143 {
9144 MM_Wait(40);
9145 break;
9146 }
9147 }
9148
9149 LM_WritePhy(pDevice, PHY_CTRL_REG, NewPhyCtrl);
9150 MM_Wait(40);
9151 }
9152 }
9153 else
9154 {
9155 LM_WritePhy(pDevice, PHY_CTRL_REG, PHY_CTRL_AUTO_NEG_ENABLE |
9156 PHY_CTRL_RESTART_AUTO_NEG);
9157 }
9158
9159 return LM_STATUS_SUCCESS;
9160 } /* LM_ForceAutoNegBcm540xPhy */
9161
9162 /******************************************************************************/
9163 /* Description: */
9164 /* */
9165 /* Return: */
9166 /******************************************************************************/
9167 LM_STATUS LM_LoadFirmware(PLM_DEVICE_BLOCK pDevice,
9168 PT3_FWIMG_INFO pFwImg,
9169 LM_UINT32 LoadCpu,
9170 LM_UINT32 StartCpu)
9171 {
9172 LM_UINT32 i;
9173 LM_UINT32 address;
9174 LM_VOID (*Wr_fn)(PLM_DEVICE_BLOCK pDevice,LM_UINT32 Register,LM_UINT32 Value32);
9175 LM_UINT32 (*Rd_fn)(PLM_DEVICE_BLOCK pDevice,LM_UINT32 Register);
9176 LM_UINT32 len;
9177 LM_UINT32 base_addr;
9178
9179 /* BCM4785: Avoid all use of firmware. */
9180 if (pDevice->Flags & SB_CORE_FLAG)
9181 return LM_STATUS_FAILURE;
9182
9183 #ifdef INCLUDE_TCP_SEG_SUPPORT
9184 if (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5705)
9185 {
9186 Wr_fn = LM_MemWrInd;
9187 Rd_fn = LM_MemRdInd;
9188 len = LM_GetStkOffLdFirmwareSize(pDevice);
9189 base_addr = T3_NIC_BCM5705_MBUF_POOL_ADDR;
9190 }
9191 else
9192 #endif
9193 {
9194 Wr_fn = LM_RegWrInd;
9195 Rd_fn = LM_RegRdInd;
9196 len = T3_RX_CPU_SPAD_SIZE;
9197 base_addr = T3_RX_CPU_SPAD_ADDR;
9198 }
9199
9200 if (LoadCpu & T3_RX_CPU_ID)
9201 {
9202 if (LM_HaltCpu(pDevice,T3_RX_CPU_ID) != LM_STATUS_SUCCESS)
9203 {
9204 return LM_STATUS_FAILURE;
9205 }
9206
9207 /* First of all clear scrach pad memory */
9208 for (i = 0; i < len; i+=4)
9209 {
9210 Wr_fn(pDevice,base_addr+i,0);
9211 }
9212
9213 /* Copy code first */
9214 address = base_addr + (pFwImg->Text.Offset & 0xffff);
9215 for (i = 0; i <= pFwImg->Text.Length; i+=4)
9216 {
9217 Wr_fn(pDevice,address+i,
9218 ((LM_UINT32 *)pFwImg->Text.Buffer)[i/4]);
9219 }
9220
9221 address = base_addr + (pFwImg->ROnlyData.Offset & 0xffff);
9222 for (i = 0; i <= pFwImg->ROnlyData.Length; i+=4)
9223 {
9224 Wr_fn(pDevice,address+i,
9225 ((LM_UINT32 *)pFwImg->ROnlyData.Buffer)[i/4]);
9226 }
9227
9228 address = base_addr + (pFwImg->Data.Offset & 0xffff);
9229 for (i= 0; i <= pFwImg->Data.Length; i+=4)
9230 {
9231 Wr_fn(pDevice,address+i,
9232 ((LM_UINT32 *)pFwImg->Data.Buffer)[i/4]);
9233 }
9234 }
9235
9236 if ((LoadCpu & T3_TX_CPU_ID) &&
9237 (T3_ASIC_REV(pDevice->ChipRevId) != T3_ASIC_REV_5705))
9238 {
9239 if (LM_HaltCpu(pDevice,T3_TX_CPU_ID) != LM_STATUS_SUCCESS)
9240 {
9241 return LM_STATUS_FAILURE;
9242 }
9243
9244 /* First of all clear scrach pad memory */
9245 for (i = 0; i < T3_TX_CPU_SPAD_SIZE; i+=4)
9246 {
9247 Wr_fn(pDevice,T3_TX_CPU_SPAD_ADDR+i,0);
9248 }
9249
9250 /* Copy code first */
9251 address = T3_TX_CPU_SPAD_ADDR + (pFwImg->Text.Offset & 0xffff);
9252 for (i= 0; i <= pFwImg->Text.Length; i+=4)
9253 {
9254 Wr_fn(pDevice,address+i,
9255 ((LM_UINT32 *)pFwImg->Text.Buffer)[i/4]);
9256 }
9257
9258 address = T3_TX_CPU_SPAD_ADDR + (pFwImg->ROnlyData.Offset & 0xffff);
9259 for (i= 0; i <= pFwImg->ROnlyData.Length; i+=4)
9260 {
9261 Wr_fn(pDevice,address+i,
9262 ((LM_UINT32 *)pFwImg->ROnlyData.Buffer)[i/4]);
9263 }
9264
9265 address = T3_TX_CPU_SPAD_ADDR + (pFwImg->Data.Offset & 0xffff);
9266 for (i= 0; i <= pFwImg->Data.Length; i+=4)
9267 {
9268 Wr_fn(pDevice,address+i,
9269 ((LM_UINT32 *)pFwImg->Data.Buffer)[i/4]);
9270 }
9271 }
9272
9273 if (StartCpu & T3_RX_CPU_ID)
9274 {
9275 /* Start Rx CPU */
9276 REG_WR(pDevice,rxCpu.reg.state, 0xffffffff);
9277 REG_WR(pDevice,rxCpu.reg.PC,pFwImg->StartAddress);
9278 for (i = 0 ; i < 5; i++)
9279 {
9280 if (pFwImg->StartAddress == REG_RD(pDevice,rxCpu.reg.PC))
9281 break;
9282
9283 REG_WR(pDevice,rxCpu.reg.state, 0xffffffff);
9284 REG_WR(pDevice,rxCpu.reg.mode,CPU_MODE_HALT);
9285 REG_WR(pDevice,rxCpu.reg.PC,pFwImg->StartAddress);
9286 REG_RD_BACK(pDevice,rxCpu.reg.PC);
9287 MM_Wait(1000);
9288 }
9289
9290 REG_WR(pDevice,rxCpu.reg.state, 0xffffffff);
9291 REG_WR(pDevice,rxCpu.reg.mode, 0);
9292 }
9293
9294 if ((StartCpu & T3_TX_CPU_ID) &&
9295 (T3_ASIC_REV(pDevice->ChipRevId) != T3_ASIC_REV_5705))
9296 {
9297 /* Start Tx CPU */
9298 REG_WR(pDevice,txCpu.reg.state, 0xffffffff);
9299 REG_WR(pDevice,txCpu.reg.PC,pFwImg->StartAddress);
9300 for (i = 0 ; i < 5; i++)
9301 {
9302 if (pFwImg->StartAddress == REG_RD(pDevice,txCpu.reg.PC))
9303 break;
9304
9305 REG_WR(pDevice,txCpu.reg.state, 0xffffffff);
9306 REG_WR(pDevice,txCpu.reg.mode,CPU_MODE_HALT);
9307 REG_WR(pDevice,txCpu.reg.PC,pFwImg->StartAddress);
9308 REG_RD_BACK(pDevice,txCpu.reg.PC);
9309 MM_Wait(1000);
9310 }
9311
9312 REG_WR(pDevice,txCpu.reg.state, 0xffffffff);
9313 REG_WR(pDevice,txCpu.reg.mode, 0);
9314 }
9315
9316 return LM_STATUS_SUCCESS;
9317 }
9318
9319 LM_STATUS LM_HaltCpu(PLM_DEVICE_BLOCK pDevice,LM_UINT32 cpu_number)
9320 {
9321 LM_UINT32 i;
9322 LM_STATUS status;
9323
9324 status = LM_STATUS_SUCCESS;
9325
9326 if (T3_ASIC_IS_5705_BEYOND(pDevice->ChipRevId) &&
9327 !(cpu_number & T3_RX_CPU_ID))
9328 {
9329 return status;
9330 }
9331
9332 if ((T3_ASIC_REV(pDevice->ChipRevId) != T3_ASIC_REV_5700) &&
9333 (T3_ASIC_REV(pDevice->ChipRevId) != T3_ASIC_REV_5701))
9334 {
9335 status = LM_NVRAM_AcquireLock(pDevice);
9336 }
9337
9338 if (cpu_number & T3_RX_CPU_ID)
9339 {
9340 for (i = 0 ; i < 10000; i++)
9341 {
9342 REG_WR(pDevice,rxCpu.reg.state, 0xffffffff);
9343 REG_WR(pDevice,rxCpu.reg.mode,CPU_MODE_HALT);
9344
9345 if (REG_RD(pDevice,rxCpu.reg.mode) & CPU_MODE_HALT)
9346 break;
9347 }
9348
9349 REG_WR(pDevice,rxCpu.reg.state, 0xffffffff);
9350 REG_WR(pDevice,rxCpu.reg.mode,CPU_MODE_HALT);
9351 REG_RD_BACK(pDevice,rxCpu.reg.mode);
9352 MM_Wait(10);
9353
9354 if (i == 10000)
9355 status = LM_STATUS_FAILURE;
9356 }
9357
9358 /*
9359 * BCM4785: There is only an Rx CPU for the 5750 derivative in
9360 * the 4785. Don't go any further in this code in order to
9361 * avoid access to the NVRAM arbitration register.
9362 */
9363 if (pDevice->Flags & SB_CORE_FLAG)
9364 return status;
9365
9366 if ((pDevice->Flags & T3_HAS_TWO_CPUS) &&
9367 (cpu_number & T3_TX_CPU_ID))
9368 {
9369 for (i = 0 ; i < 10000; i++)
9370 {
9371 REG_WR(pDevice,txCpu.reg.state, 0xffffffff);
9372 REG_WR(pDevice,txCpu.reg.mode,CPU_MODE_HALT);
9373
9374 if (REG_RD(pDevice,txCpu.reg.mode) & CPU_MODE_HALT)
9375 break;
9376 }
9377
9378 if (i == 10000)
9379 status = LM_STATUS_FAILURE;
9380 }
9381
9382 if ((T3_ASIC_REV(pDevice->ChipRevId) != T3_ASIC_REV_5700) &&
9383 (T3_ASIC_REV(pDevice->ChipRevId) != T3_ASIC_REV_5701))
9384 {
9385 if (status != LM_STATUS_SUCCESS)
9386 {
9387 /*
9388 * Some part of this operation failed.
9389 * Just undo our own actions.
9390 */
9391 LM_NVRAM_ReleaseLock(pDevice);
9392 }
9393 else if (!(pDevice->Flags & T3_HAS_TWO_CPUS) ||
9394 cpu_number == (T3_TX_CPU_ID | T3_RX_CPU_ID))
9395 {
9396 /*
9397 * Release our NVRAM arbitration grant along
9398 * with the firmware's arbitration request bit.
9399 */
9400 REG_WR(pDevice, Nvram.SwArb, SW_ARB_REQ_CLR1 | SW_ARB_REQ_CLR0);
9401 REG_RD_BACK(pDevice, Nvram.SwArb);
9402 }
9403 else
9404 {
9405 LM_NVRAM_ReleaseLock(pDevice);
9406
9407 if (LM_NVRAM_AcquireLock(pDevice) == LM_STATUS_SUCCESS)
9408 {
9409 /* All is well. Release the arbitration and continue. */
9410 LM_NVRAM_ReleaseLock(pDevice);
9411 }
9412 else
9413 {
9414 /*
9415 * We've timed out while attempting to get the
9416 * NVRAM arbitration. Assume the cause is that
9417 * the NVRAM has requested arbitration after we
9418 * acquired arbitration the first time, but before
9419 * the CPU was actually halted.
9420 */
9421
9422 /*
9423 * Release our NVRAM arbitration grant along
9424 * with the firmware's arbitration request bit.
9425 */
9426 REG_WR(pDevice, Nvram.SwArb, SW_ARB_REQ_CLR1 | SW_ARB_REQ_CLR0);
9427 REG_RD_BACK(pDevice, Nvram.SwArb);
9428 }
9429 }
9430 }
9431
9432 return status;
9433 }
9434
9435
9436 LM_STATUS
9437 LM_BlinkLED(PLM_DEVICE_BLOCK pDevice, LM_UINT32 BlinkDurationSec)
9438 {
9439 int j;
9440 int ret = LM_STATUS_SUCCESS;
9441
9442 if(BlinkDurationSec == 0)
9443 {
9444 BlinkDurationSec = 1;
9445 }
9446 if(BlinkDurationSec > 120)
9447 {
9448 BlinkDurationSec = 120;
9449 }
9450
9451 for(j = 0; j < BlinkDurationSec * 2; j++)
9452 {
9453 if(j % 2)
9454 {
9455 // Turn on the LEDs.
9456 REG_WR(pDevice, MacCtrl.LedCtrl,
9457 LED_CTRL_OVERRIDE_LINK_LED |
9458 LED_CTRL_1000MBPS_LED_ON |
9459 LED_CTRL_100MBPS_LED_ON |
9460 LED_CTRL_10MBPS_LED_ON |
9461 LED_CTRL_OVERRIDE_TRAFFIC_LED |
9462 LED_CTRL_BLINK_TRAFFIC_LED |
9463 LED_CTRL_TRAFFIC_LED);
9464 }
9465 else
9466 {
9467 // Turn off the LEDs.
9468 REG_WR(pDevice, MacCtrl.LedCtrl,
9469 LED_CTRL_OVERRIDE_LINK_LED |
9470 LED_CTRL_OVERRIDE_TRAFFIC_LED);
9471 }
9472 if (MM_Sleep(pDevice, 500) != LM_STATUS_SUCCESS)/* 0.5 second */
9473 {
9474 ret = LM_STATUS_FAILURE;
9475 break;
9476 }
9477 }
9478 REG_WR(pDevice, MacCtrl.LedCtrl, pDevice->LedCtrl);
9479 return ret;
9480 }
9481
9482 LM_STATUS
9483 LM_SwitchClocks(PLM_DEVICE_BLOCK pDevice)
9484 {
9485 LM_UINT32 ClockCtrl;
9486
9487 if(T3_ASIC_5714_FAMILY(pDevice->ChipRevId))
9488 return LM_STATUS_SUCCESS;
9489
9490 ClockCtrl = REG_RD(pDevice, PciCfg.ClockCtrl);
9491 pDevice->ClockCtrl = ClockCtrl & (T3_PCI_FORCE_CLKRUN |
9492 T3_PCI_CLKRUN_OUTPUT_EN | 0x1f);
9493 if (T3_ASIC_IS_5705_BEYOND(pDevice->ChipRevId))
9494 {
9495 if (ClockCtrl & T3_PCI_625_CORE_CLOCK)
9496 {
9497 /* clear ALT clock first */
9498 RAW_REG_WR(pDevice, PciCfg.ClockCtrl, pDevice->ClockCtrl |
9499 T3_PCI_625_CORE_CLOCK);
9500 MM_Wait(40); /* required delay is 27usec */
9501 }
9502 }
9503 else
9504 {
9505 if (ClockCtrl & T3_PCI_44MHZ_CORE_CLOCK)
9506 {
9507 RAW_REG_WR(pDevice, PciCfg.ClockCtrl, pDevice->ClockCtrl |
9508 T3_PCI_44MHZ_CORE_CLOCK | T3_PCI_SELECT_ALTERNATE_CLOCK);
9509 MM_Wait(40); /* required delay is 27usec */
9510 RAW_REG_WR(pDevice, PciCfg.ClockCtrl, pDevice->ClockCtrl |
9511 T3_PCI_SELECT_ALTERNATE_CLOCK);
9512 MM_Wait(40); /* required delay is 27usec */
9513 }
9514 }
9515
9516 RAW_REG_WR(pDevice, PciCfg.ClockCtrl, pDevice->ClockCtrl);
9517 MM_Wait(40); /* required delay is 27usec */
9518 return LM_STATUS_SUCCESS;
9519 }
9520
9521 int t3_do_dma(PLM_DEVICE_BLOCK pDevice,
9522 LM_PHYSICAL_ADDRESS host_addr_phy, int length,
9523 int dma_read)
9524 {
9525 T3_DMA_DESC dma_desc;
9526 int i;
9527 LM_UINT32 dma_desc_addr;
9528 LM_UINT32 value32;
9529
9530 REG_WR(pDevice, BufMgr.Mode, 0);
9531 REG_WR(pDevice, Ftq.Reset, 0);
9532
9533 dma_desc.host_addr.High = host_addr_phy.High;
9534 dma_desc.host_addr.Low = host_addr_phy.Low;
9535 dma_desc.nic_mbuf = 0x2100;
9536 dma_desc.len = length;
9537 dma_desc.flags = 0x00000005; /* Generate Rx-CPU event */
9538
9539 if (dma_read)
9540 {
9541 dma_desc.cqid_sqid = (T3_QID_RX_BD_COMP << 8) |
9542 T3_QID_DMA_HIGH_PRI_READ;
9543 REG_WR(pDevice, DmaRead.Mode, DMA_READ_MODE_ENABLE);
9544 }
9545 else
9546 {
9547 dma_desc.cqid_sqid = (T3_QID_RX_DATA_COMP << 8) |
9548 T3_QID_DMA_HIGH_PRI_WRITE;
9549 REG_WR(pDevice, DmaWrite.Mode, DMA_WRITE_MODE_ENABLE);
9550 }
9551
9552 dma_desc_addr = T3_NIC_DMA_DESC_POOL_ADDR;
9553
9554 /* Writing this DMA descriptor to DMA memory */
9555 for (i = 0; i < sizeof(T3_DMA_DESC); i += 4)
9556 {
9557 value32 = *((PLM_UINT32) (((PLM_UINT8) &dma_desc) + i));
9558 MM_WriteConfig32(pDevice, T3_PCI_MEM_WIN_ADDR_REG, dma_desc_addr+i);
9559 MM_WriteConfig32(pDevice, T3_PCI_MEM_WIN_DATA_REG,
9560 MM_SWAP_LE32(value32));
9561 }
9562 MM_WriteConfig32(pDevice, T3_PCI_MEM_WIN_ADDR_REG, 0);
9563
9564 if (dma_read)
9565 REG_WR(pDevice, Ftq.DmaHighReadFtqFifoEnqueueDequeue, dma_desc_addr);
9566 else
9567 REG_WR(pDevice, Ftq.DmaHighWriteFtqFifoEnqueueDequeue, dma_desc_addr);
9568
9569 for (i = 0; i < 40; i++)
9570 {
9571 if (dma_read)
9572 value32 = REG_RD(pDevice, Ftq.RcvBdCompFtqFifoEnqueueDequeue);
9573 else
9574 value32 = REG_RD(pDevice, Ftq.RcvDataCompFtqFifoEnqueueDequeue);
9575
9576 if ((value32 & 0xffff) == dma_desc_addr)
9577 break;
9578
9579 MM_Wait(10);
9580 }
9581
9582 return LM_STATUS_SUCCESS;
9583 }
9584
9585 STATIC LM_STATUS
9586 LM_DmaTest(PLM_DEVICE_BLOCK pDevice, PLM_UINT8 pBufferVirt,
9587 LM_PHYSICAL_ADDRESS BufferPhy, LM_UINT32 BufferSize)
9588 {
9589 int j;
9590 LM_UINT32 *ptr;
9591 int dma_success = 0;
9592 LM_STATUS ret = LM_STATUS_FAILURE;
9593
9594 if(T3_ASIC_REV(pDevice->ChipRevId) != T3_ASIC_REV_5700 &&
9595 T3_ASIC_REV(pDevice->ChipRevId) != T3_ASIC_REV_5701)
9596 {
9597 return LM_STATUS_SUCCESS;
9598 }
9599 while (!dma_success)
9600 {
9601 /* Fill data with incremental patterns */
9602 ptr = (LM_UINT32 *)pBufferVirt;
9603 for (j = 0; j < BufferSize/4; j++)
9604 *ptr++ = j;
9605
9606 if (t3_do_dma(pDevice,BufferPhy,BufferSize, 1) == LM_STATUS_FAILURE)
9607 {
9608 goto LM_DmaTestDone;
9609 }
9610
9611 MM_Wait(40);
9612 ptr = (LM_UINT32 *)pBufferVirt;
9613 /* Fill data with zero */
9614 for (j = 0; j < BufferSize/4; j++)
9615 *ptr++ = 0;
9616
9617 if (t3_do_dma(pDevice,BufferPhy,BufferSize, 0) == LM_STATUS_FAILURE)
9618 {
9619 goto LM_DmaTestDone;
9620 }
9621
9622 MM_Wait(40);
9623 /* Check for data */
9624 ptr = (LM_UINT32 *)pBufferVirt;
9625 for (j = 0; j < BufferSize/4; j++)
9626 {
9627 if (*ptr++ != j)
9628 {
9629 if ((pDevice->DmaReadWriteCtrl & DMA_CTRL_WRITE_BOUNDARY_MASK)
9630 != DMA_CTRL_WRITE_BOUNDARY_16)
9631 {
9632 pDevice->DmaReadWriteCtrl = (pDevice->DmaReadWriteCtrl &
9633 ~DMA_CTRL_WRITE_BOUNDARY_MASK) |
9634 DMA_CTRL_WRITE_BOUNDARY_16;
9635 REG_WR(pDevice, PciCfg.DmaReadWriteCtrl,
9636 pDevice->DmaReadWriteCtrl);
9637 break;
9638 }
9639 else
9640 {
9641 goto LM_DmaTestDone;
9642 }
9643 }
9644 }
9645 if (j == (BufferSize/4))
9646 dma_success = 1;
9647 }
9648 ret = LM_STATUS_SUCCESS;
9649 LM_DmaTestDone:
9650 memset(pBufferVirt, 0, BufferSize);
9651 return ret;
9652 }
9653
9654 void
9655 LM_Add32To64Counter(LM_UINT32 Counter32, T3_64BIT_REGISTER *Counter64)
9656 {
9657 Counter64->Low += Counter32;
9658 if (Counter64->Low < Counter32)
9659 {
9660 Counter64->High++;
9661 }
9662 }
9663
9664 LM_STATUS
9665 LM_GetStats(PLM_DEVICE_BLOCK pDevice)
9666 {
9667 PT3_STATS_BLOCK pStats = (PT3_STATS_BLOCK) pDevice->pStatsBlkVirt;
9668
9669 if(!T3_ASIC_IS_5705_BEYOND(pDevice->ChipRevId))
9670 {
9671 return LM_STATUS_FAILURE;
9672 }
9673
9674 if (pStats == 0)
9675 {
9676 return LM_STATUS_FAILURE;
9677 }
9678 LM_Add32To64Counter(REG_RD(pDevice, MacCtrl.ifHCOutOctets),
9679 &pStats->ifHCOutOctets);
9680 LM_Add32To64Counter(REG_RD(pDevice, MacCtrl.etherStatsCollisions),
9681 &pStats->etherStatsCollisions);
9682 LM_Add32To64Counter(REG_RD(pDevice, MacCtrl.outXonSent),
9683 &pStats->outXonSent);
9684 LM_Add32To64Counter(REG_RD(pDevice, MacCtrl.outXoffSent),
9685 &pStats->outXoffSent);
9686 LM_Add32To64Counter(REG_RD(pDevice,
9687 MacCtrl.dot3StatsInternalMacTransmitErrors),
9688 &pStats->dot3StatsInternalMacTransmitErrors);
9689 LM_Add32To64Counter(REG_RD(pDevice, MacCtrl.dot3StatsSingleCollisionFrames),
9690 &pStats->dot3StatsSingleCollisionFrames);
9691 LM_Add32To64Counter(REG_RD(pDevice,
9692 MacCtrl.dot3StatsMultipleCollisionFrames),
9693 &pStats->dot3StatsMultipleCollisionFrames);
9694 LM_Add32To64Counter(REG_RD(pDevice, MacCtrl.dot3StatsDeferredTransmissions),
9695 &pStats->dot3StatsDeferredTransmissions);
9696 LM_Add32To64Counter(REG_RD(pDevice, MacCtrl.dot3StatsExcessiveCollisions),
9697 &pStats->dot3StatsExcessiveCollisions);
9698 LM_Add32To64Counter(REG_RD(pDevice, MacCtrl.dot3StatsLateCollisions),
9699 &pStats->dot3StatsLateCollisions);
9700 LM_Add32To64Counter(REG_RD(pDevice, MacCtrl.ifHCOutUcastPkts),
9701 &pStats->ifHCOutUcastPkts);
9702 LM_Add32To64Counter(REG_RD(pDevice, MacCtrl.ifHCOutMulticastPkts),
9703 &pStats->ifHCOutMulticastPkts);
9704 LM_Add32To64Counter(REG_RD(pDevice, MacCtrl.ifHCOutBroadcastPkts),
9705 &pStats->ifHCOutBroadcastPkts);
9706 LM_Add32To64Counter(REG_RD(pDevice, MacCtrl.ifHCInOctets),
9707 &pStats->ifHCInOctets);
9708 LM_Add32To64Counter(REG_RD(pDevice, MacCtrl.etherStatsFragments),
9709 &pStats->etherStatsFragments);
9710 LM_Add32To64Counter(REG_RD(pDevice, MacCtrl.ifHCInUcastPkts),
9711 &pStats->ifHCInUcastPkts);
9712 LM_Add32To64Counter(REG_RD(pDevice, MacCtrl.ifHCInMulticastPkts),
9713 &pStats->ifHCInMulticastPkts);
9714 LM_Add32To64Counter(REG_RD(pDevice, MacCtrl.ifHCInBroadcastPkts),
9715 &pStats->ifHCInBroadcastPkts);
9716 LM_Add32To64Counter(REG_RD(pDevice, MacCtrl.dot3StatsFCSErrors),
9717 &pStats->dot3StatsFCSErrors);
9718 LM_Add32To64Counter(REG_RD(pDevice, MacCtrl.dot3StatsAlignmentErrors),
9719 &pStats->dot3StatsAlignmentErrors);
9720 LM_Add32To64Counter(REG_RD(pDevice, MacCtrl.xonPauseFramesReceived),
9721 &pStats->xonPauseFramesReceived);
9722 LM_Add32To64Counter(REG_RD(pDevice, MacCtrl.xoffPauseFramesReceived),
9723 &pStats->xoffPauseFramesReceived);
9724 LM_Add32To64Counter(REG_RD(pDevice, MacCtrl.macControlFramesReceived),
9725 &pStats->macControlFramesReceived);
9726 LM_Add32To64Counter(REG_RD(pDevice, MacCtrl.xoffStateEntered),
9727 &pStats->xoffStateEntered);
9728 LM_Add32To64Counter(REG_RD(pDevice, MacCtrl.dot3StatsFramesTooLong),
9729 &pStats->dot3StatsFramesTooLong);
9730 LM_Add32To64Counter(REG_RD(pDevice, MacCtrl.etherStatsJabbers),
9731 &pStats->etherStatsJabbers);
9732 LM_Add32To64Counter(REG_RD(pDevice, MacCtrl.etherStatsUndersizePkts),
9733 &pStats->etherStatsUndersizePkts);
9734
9735 return LM_STATUS_SUCCESS;
9736 }
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