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1da177e4 LT |
1 | /****************************************************************************** |
2 | * | |
3 | * Name: skgesirq.c | |
4 | * Project: Gigabit Ethernet Adapters, Common Modules | |
5 | * Version: $Revision: 1.92 $ | |
6 | * Date: $Date: 2003/09/16 14:37:07 $ | |
7 | * Purpose: Special IRQ module | |
8 | * | |
9 | ******************************************************************************/ | |
10 | ||
11 | /****************************************************************************** | |
12 | * | |
13 | * (C)Copyright 1998-2002 SysKonnect. | |
14 | * (C)Copyright 2002-2003 Marvell. | |
15 | * | |
16 | * This program is free software; you can redistribute it and/or modify | |
17 | * it under the terms of the GNU General Public License as published by | |
18 | * the Free Software Foundation; either version 2 of the License, or | |
19 | * (at your option) any later version. | |
20 | * | |
21 | * The information in this file is provided "AS IS" without warranty. | |
22 | * | |
23 | ******************************************************************************/ | |
24 | ||
25 | /* | |
26 | * Special Interrupt handler | |
27 | * | |
28 | * The following abstract should show how this module is included | |
29 | * in the driver path: | |
30 | * | |
31 | * In the ISR of the driver the bits for frame transmission complete and | |
32 | * for receive complete are checked and handled by the driver itself. | |
33 | * The bits of the slow path mask are checked after that and then the | |
34 | * entry into the so-called "slow path" is prepared. It is an implementors | |
35 | * decision whether this is executed directly or just scheduled by | |
36 | * disabling the mask. In the interrupt service routine some events may be | |
37 | * generated, so it would be a good idea to call the EventDispatcher | |
38 | * right after this ISR. | |
39 | * | |
40 | * The Interrupt source register of the adapter is NOT read by this module. | |
41 | * SO if the drivers implementor needs a while loop around the | |
42 | * slow data paths interrupt bits, he needs to call the SkGeSirqIsr() for | |
43 | * each loop entered. | |
44 | * | |
45 | * However, the MAC Interrupt status registers are read in a while loop. | |
46 | * | |
47 | */ | |
48 | ||
49 | #if (defined(DEBUG) || ((!defined(LINT)) && (!defined(SK_SLIM)))) | |
50 | static const char SysKonnectFileId[] = | |
51 | "@(#) $Id: skgesirq.c,v 1.92 2003/09/16 14:37:07 rschmidt Exp $ (C) Marvell."; | |
52 | #endif | |
53 | ||
54 | #include "h/skdrv1st.h" /* Driver Specific Definitions */ | |
55 | #ifndef SK_SLIM | |
56 | #include "h/skgepnmi.h" /* PNMI Definitions */ | |
57 | #include "h/skrlmt.h" /* RLMT Definitions */ | |
58 | #endif | |
59 | #include "h/skdrv2nd.h" /* Adapter Control and Driver specific Def. */ | |
60 | ||
61 | /* local function prototypes */ | |
62 | #ifdef GENESIS | |
63 | static int SkGePortCheckUpXmac(SK_AC*, SK_IOC, int, SK_BOOL); | |
64 | static int SkGePortCheckUpBcom(SK_AC*, SK_IOC, int, SK_BOOL); | |
65 | static void SkPhyIsrBcom(SK_AC*, SK_IOC, int, SK_U16); | |
66 | #endif /* GENESIS */ | |
67 | #ifdef YUKON | |
68 | static int SkGePortCheckUpGmac(SK_AC*, SK_IOC, int, SK_BOOL); | |
69 | static void SkPhyIsrGmac(SK_AC*, SK_IOC, int, SK_U16); | |
70 | #endif /* YUKON */ | |
71 | #ifdef OTHER_PHY | |
72 | static int SkGePortCheckUpLone(SK_AC*, SK_IOC, int, SK_BOOL); | |
73 | static int SkGePortCheckUpNat(SK_AC*, SK_IOC, int, SK_BOOL); | |
74 | static void SkPhyIsrLone(SK_AC*, SK_IOC, int, SK_U16); | |
75 | #endif /* OTHER_PHY */ | |
76 | ||
77 | #ifdef GENESIS | |
78 | /* | |
79 | * array of Rx counter from XMAC which are checked | |
80 | * in AutoSense mode to check whether a link is not able to auto-negotiate. | |
81 | */ | |
82 | static const SK_U16 SkGeRxRegs[]= { | |
83 | XM_RXF_64B, | |
84 | XM_RXF_127B, | |
85 | XM_RXF_255B, | |
86 | XM_RXF_511B, | |
87 | XM_RXF_1023B, | |
88 | XM_RXF_MAX_SZ | |
89 | } ; | |
90 | #endif /* GENESIS */ | |
91 | ||
92 | #ifdef __C2MAN__ | |
93 | /* | |
94 | * Special IRQ function | |
95 | * | |
96 | * General Description: | |
97 | * | |
98 | */ | |
99 | intro() | |
100 | {} | |
101 | #endif | |
102 | ||
103 | /****************************************************************************** | |
104 | * | |
105 | * SkHWInitDefSense() - Default Autosensing mode initialization | |
106 | * | |
107 | * Description: sets the PLinkMode for HWInit | |
108 | * | |
109 | * Returns: N/A | |
110 | */ | |
111 | static void SkHWInitDefSense( | |
112 | SK_AC *pAC, /* adapter context */ | |
113 | SK_IOC IoC, /* IO context */ | |
114 | int Port) /* Port Index (MAC_1 + n) */ | |
115 | { | |
116 | SK_GEPORT *pPrt; /* GIni Port struct pointer */ | |
117 | ||
118 | pPrt = &pAC->GIni.GP[Port]; | |
119 | ||
120 | pPrt->PAutoNegTimeOut = 0; | |
121 | ||
122 | if (pPrt->PLinkModeConf != SK_LMODE_AUTOSENSE) { | |
123 | pPrt->PLinkMode = pPrt->PLinkModeConf; | |
124 | return; | |
125 | } | |
126 | ||
127 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, | |
128 | ("AutoSensing: First mode %d on Port %d\n", | |
129 | (int)SK_LMODE_AUTOFULL, Port)); | |
130 | ||
131 | pPrt->PLinkMode = (SK_U8)SK_LMODE_AUTOFULL; | |
132 | ||
133 | return; | |
134 | } /* SkHWInitDefSense */ | |
135 | ||
136 | ||
137 | #ifdef GENESIS | |
138 | /****************************************************************************** | |
139 | * | |
140 | * SkHWSenseGetNext() - Get Next Autosensing Mode | |
141 | * | |
142 | * Description: gets the appropriate next mode | |
143 | * | |
144 | * Note: | |
145 | * | |
146 | */ | |
147 | static SK_U8 SkHWSenseGetNext( | |
148 | SK_AC *pAC, /* adapter context */ | |
149 | SK_IOC IoC, /* IO context */ | |
150 | int Port) /* Port Index (MAC_1 + n) */ | |
151 | { | |
152 | SK_GEPORT *pPrt; /* GIni Port struct pointer */ | |
153 | ||
154 | pPrt = &pAC->GIni.GP[Port]; | |
155 | ||
156 | pPrt->PAutoNegTimeOut = 0; | |
157 | ||
158 | if (pPrt->PLinkModeConf != (SK_U8)SK_LMODE_AUTOSENSE) { | |
159 | /* Leave all as configured */ | |
160 | return(pPrt->PLinkModeConf); | |
161 | } | |
162 | ||
163 | if (pPrt->PLinkMode == (SK_U8)SK_LMODE_AUTOFULL) { | |
164 | /* Return next mode AUTOBOTH */ | |
165 | return ((SK_U8)SK_LMODE_AUTOBOTH); | |
166 | } | |
167 | ||
168 | /* Return default autofull */ | |
169 | return ((SK_U8)SK_LMODE_AUTOFULL); | |
170 | } /* SkHWSenseGetNext */ | |
171 | ||
172 | ||
173 | /****************************************************************************** | |
174 | * | |
175 | * SkHWSenseSetNext() - Autosensing Set next mode | |
176 | * | |
177 | * Description: sets the appropriate next mode | |
178 | * | |
179 | * Returns: N/A | |
180 | */ | |
181 | static void SkHWSenseSetNext( | |
182 | SK_AC *pAC, /* adapter context */ | |
183 | SK_IOC IoC, /* IO context */ | |
184 | int Port, /* Port Index (MAC_1 + n) */ | |
185 | SK_U8 NewMode) /* New Mode to be written in sense mode */ | |
186 | { | |
187 | SK_GEPORT *pPrt; /* GIni Port struct pointer */ | |
188 | ||
189 | pPrt = &pAC->GIni.GP[Port]; | |
190 | ||
191 | pPrt->PAutoNegTimeOut = 0; | |
192 | ||
193 | if (pPrt->PLinkModeConf != (SK_U8)SK_LMODE_AUTOSENSE) { | |
194 | return; | |
195 | } | |
196 | ||
197 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, | |
198 | ("AutoSensing: next mode %d on Port %d\n", | |
199 | (int)NewMode, Port)); | |
200 | ||
201 | pPrt->PLinkMode = NewMode; | |
202 | ||
203 | return; | |
204 | } /* SkHWSenseSetNext */ | |
205 | #endif /* GENESIS */ | |
206 | ||
207 | ||
208 | /****************************************************************************** | |
209 | * | |
210 | * SkHWLinkDown() - Link Down handling | |
211 | * | |
212 | * Description: handles the hardware link down signal | |
213 | * | |
214 | * Returns: N/A | |
215 | */ | |
216 | void SkHWLinkDown( | |
217 | SK_AC *pAC, /* adapter context */ | |
218 | SK_IOC IoC, /* IO context */ | |
219 | int Port) /* Port Index (MAC_1 + n) */ | |
220 | { | |
221 | SK_GEPORT *pPrt; /* GIni Port struct pointer */ | |
222 | ||
223 | pPrt = &pAC->GIni.GP[Port]; | |
224 | ||
225 | /* Disable all MAC interrupts */ | |
226 | SkMacIrqDisable(pAC, IoC, Port); | |
227 | ||
228 | /* Disable Receiver and Transmitter */ | |
229 | SkMacRxTxDisable(pAC, IoC, Port); | |
230 | ||
231 | /* Init default sense mode */ | |
232 | SkHWInitDefSense(pAC, IoC, Port); | |
233 | ||
234 | if (pPrt->PHWLinkUp == SK_FALSE) { | |
235 | return; | |
236 | } | |
237 | ||
238 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, | |
239 | ("Link down Port %d\n", Port)); | |
240 | ||
241 | /* Set Link to DOWN */ | |
242 | pPrt->PHWLinkUp = SK_FALSE; | |
243 | ||
244 | /* Reset Port stati */ | |
245 | pPrt->PLinkModeStatus = (SK_U8)SK_LMODE_STAT_UNKNOWN; | |
246 | pPrt->PFlowCtrlStatus = (SK_U8)SK_FLOW_STAT_NONE; | |
247 | pPrt->PLinkSpeedUsed = (SK_U8)SK_LSPEED_STAT_INDETERMINATED; | |
248 | ||
249 | /* Re-init Phy especially when the AutoSense default is set now */ | |
250 | SkMacInitPhy(pAC, IoC, Port, SK_FALSE); | |
251 | ||
252 | /* GP0: used for workaround of Rev. C Errata 2 */ | |
253 | ||
254 | /* Do NOT signal to RLMT */ | |
255 | ||
256 | /* Do NOT start the timer here */ | |
257 | } /* SkHWLinkDown */ | |
258 | ||
259 | ||
260 | /****************************************************************************** | |
261 | * | |
262 | * SkHWLinkUp() - Link Up handling | |
263 | * | |
264 | * Description: handles the hardware link up signal | |
265 | * | |
266 | * Returns: N/A | |
267 | */ | |
268 | void SkHWLinkUp( | |
269 | SK_AC *pAC, /* adapter context */ | |
270 | SK_IOC IoC, /* IO context */ | |
271 | int Port) /* Port Index (MAC_1 + n) */ | |
272 | { | |
273 | SK_GEPORT *pPrt; /* GIni Port struct pointer */ | |
274 | ||
275 | pPrt = &pAC->GIni.GP[Port]; | |
276 | ||
277 | if (pPrt->PHWLinkUp) { | |
278 | /* We do NOT need to proceed on active link */ | |
279 | return; | |
280 | } | |
281 | ||
282 | pPrt->PHWLinkUp = SK_TRUE; | |
283 | pPrt->PAutoNegFail = SK_FALSE; | |
284 | pPrt->PLinkModeStatus = (SK_U8)SK_LMODE_STAT_UNKNOWN; | |
285 | ||
286 | if (pPrt->PLinkMode != (SK_U8)SK_LMODE_AUTOHALF && | |
287 | pPrt->PLinkMode != (SK_U8)SK_LMODE_AUTOFULL && | |
288 | pPrt->PLinkMode != (SK_U8)SK_LMODE_AUTOBOTH) { | |
289 | /* Link is up and no Auto-negotiation should be done */ | |
290 | ||
291 | /* Link speed should be the configured one */ | |
292 | switch (pPrt->PLinkSpeed) { | |
293 | case SK_LSPEED_AUTO: | |
294 | /* default is 1000 Mbps */ | |
295 | case SK_LSPEED_1000MBPS: | |
296 | pPrt->PLinkSpeedUsed = (SK_U8)SK_LSPEED_STAT_1000MBPS; | |
297 | break; | |
298 | case SK_LSPEED_100MBPS: | |
299 | pPrt->PLinkSpeedUsed = (SK_U8)SK_LSPEED_STAT_100MBPS; | |
300 | break; | |
301 | case SK_LSPEED_10MBPS: | |
302 | pPrt->PLinkSpeedUsed = (SK_U8)SK_LSPEED_STAT_10MBPS; | |
303 | break; | |
304 | } | |
305 | ||
306 | /* Set Link Mode Status */ | |
307 | if (pPrt->PLinkMode == SK_LMODE_FULL) { | |
308 | pPrt->PLinkModeStatus = (SK_U8)SK_LMODE_STAT_FULL; | |
309 | } | |
310 | else { | |
311 | pPrt->PLinkModeStatus = (SK_U8)SK_LMODE_STAT_HALF; | |
312 | } | |
313 | ||
314 | /* No flow control without auto-negotiation */ | |
315 | pPrt->PFlowCtrlStatus = (SK_U8)SK_FLOW_STAT_NONE; | |
316 | ||
317 | /* enable Rx/Tx */ | |
318 | (void)SkMacRxTxEnable(pAC, IoC, Port); | |
319 | } | |
320 | } /* SkHWLinkUp */ | |
321 | ||
322 | ||
323 | /****************************************************************************** | |
324 | * | |
325 | * SkMacParity() - MAC parity workaround | |
326 | * | |
327 | * Description: handles MAC parity errors correctly | |
328 | * | |
329 | * Returns: N/A | |
330 | */ | |
331 | static void SkMacParity( | |
332 | SK_AC *pAC, /* adapter context */ | |
333 | SK_IOC IoC, /* IO context */ | |
334 | int Port) /* Port Index of the port failed */ | |
335 | { | |
336 | SK_EVPARA Para; | |
337 | SK_GEPORT *pPrt; /* GIni Port struct pointer */ | |
338 | SK_U32 TxMax; /* Tx Max Size Counter */ | |
339 | ||
340 | pPrt = &pAC->GIni.GP[Port]; | |
341 | ||
342 | /* Clear IRQ Tx Parity Error */ | |
343 | #ifdef GENESIS | |
344 | if (pAC->GIni.GIGenesis) { | |
345 | ||
346 | SK_OUT16(IoC, MR_ADDR(Port, TX_MFF_CTRL1), MFF_CLR_PERR); | |
347 | } | |
348 | #endif /* GENESIS */ | |
349 | ||
350 | #ifdef YUKON | |
351 | if (pAC->GIni.GIYukon) { | |
352 | /* HW-Bug #8: cleared by GMF_CLI_TX_FC instead of GMF_CLI_TX_PE */ | |
353 | SK_OUT8(IoC, MR_ADDR(Port, TX_GMF_CTRL_T), | |
354 | (SK_U8)((pAC->GIni.GIChipId == CHIP_ID_YUKON && | |
355 | pAC->GIni.GIChipRev == 0) ? GMF_CLI_TX_FC : GMF_CLI_TX_PE)); | |
356 | } | |
357 | #endif /* YUKON */ | |
358 | ||
359 | if (pPrt->PCheckPar) { | |
360 | ||
361 | if (Port == MAC_1) { | |
362 | SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_SIRQ_E016, SKERR_SIRQ_E016MSG); | |
363 | } | |
364 | else { | |
365 | SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_SIRQ_E017, SKERR_SIRQ_E017MSG); | |
366 | } | |
367 | Para.Para64 = Port; | |
368 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_PORT_FAIL, Para); | |
369 | ||
370 | Para.Para32[0] = Port; | |
371 | SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_LINK_DOWN, Para); | |
372 | ||
373 | return; | |
374 | } | |
375 | ||
376 | /* Check whether frames with a size of 1k were sent */ | |
377 | #ifdef GENESIS | |
378 | if (pAC->GIni.GIGenesis) { | |
379 | /* Snap statistic counters */ | |
380 | (void)SkXmUpdateStats(pAC, IoC, Port); | |
381 | ||
382 | (void)SkXmMacStatistic(pAC, IoC, Port, XM_TXF_MAX_SZ, &TxMax); | |
383 | } | |
384 | #endif /* GENESIS */ | |
385 | ||
386 | #ifdef YUKON | |
387 | if (pAC->GIni.GIYukon) { | |
388 | ||
389 | (void)SkGmMacStatistic(pAC, IoC, Port, GM_TXF_1518B, &TxMax); | |
390 | } | |
391 | #endif /* YUKON */ | |
392 | ||
393 | if (TxMax > 0) { | |
394 | /* From now on check the parity */ | |
395 | pPrt->PCheckPar = SK_TRUE; | |
396 | } | |
397 | } /* SkMacParity */ | |
398 | ||
399 | ||
400 | /****************************************************************************** | |
401 | * | |
402 | * SkGeHwErr() - Hardware Error service routine | |
403 | * | |
404 | * Description: handles all HW Error interrupts | |
405 | * | |
406 | * Returns: N/A | |
407 | */ | |
408 | static void SkGeHwErr( | |
409 | SK_AC *pAC, /* adapter context */ | |
410 | SK_IOC IoC, /* IO context */ | |
411 | SK_U32 HwStatus) /* Interrupt status word */ | |
412 | { | |
413 | SK_EVPARA Para; | |
414 | SK_U16 Word; | |
415 | ||
416 | if ((HwStatus & (IS_IRQ_MST_ERR | IS_IRQ_STAT)) != 0) { | |
417 | /* PCI Errors occured */ | |
418 | if ((HwStatus & IS_IRQ_STAT) != 0) { | |
419 | SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_SIRQ_E013, SKERR_SIRQ_E013MSG); | |
420 | } | |
421 | else { | |
422 | SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_SIRQ_E012, SKERR_SIRQ_E012MSG); | |
423 | } | |
424 | ||
425 | /* Reset all bits in the PCI STATUS register */ | |
426 | SK_IN16(IoC, PCI_C(PCI_STATUS), &Word); | |
427 | ||
428 | SK_OUT8(IoC, B2_TST_CTRL1, TST_CFG_WRITE_ON); | |
429 | SK_OUT16(IoC, PCI_C(PCI_STATUS), (SK_U16)(Word | PCI_ERRBITS)); | |
430 | SK_OUT8(IoC, B2_TST_CTRL1, TST_CFG_WRITE_OFF); | |
431 | ||
432 | Para.Para64 = 0; | |
433 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_ADAP_FAIL, Para); | |
434 | } | |
435 | ||
436 | #ifdef GENESIS | |
437 | if (pAC->GIni.GIGenesis) { | |
438 | ||
439 | if ((HwStatus & IS_NO_STAT_M1) != 0) { | |
440 | /* Ignore it */ | |
441 | /* This situation is also indicated in the descriptor */ | |
442 | SK_OUT16(IoC, MR_ADDR(MAC_1, RX_MFF_CTRL1), MFF_CLR_INSTAT); | |
443 | } | |
444 | ||
445 | if ((HwStatus & IS_NO_STAT_M2) != 0) { | |
446 | /* Ignore it */ | |
447 | /* This situation is also indicated in the descriptor */ | |
448 | SK_OUT16(IoC, MR_ADDR(MAC_2, RX_MFF_CTRL1), MFF_CLR_INSTAT); | |
449 | } | |
450 | ||
451 | if ((HwStatus & IS_NO_TIST_M1) != 0) { | |
452 | /* Ignore it */ | |
453 | /* This situation is also indicated in the descriptor */ | |
454 | SK_OUT16(IoC, MR_ADDR(MAC_1, RX_MFF_CTRL1), MFF_CLR_INTIST); | |
455 | } | |
456 | ||
457 | if ((HwStatus & IS_NO_TIST_M2) != 0) { | |
458 | /* Ignore it */ | |
459 | /* This situation is also indicated in the descriptor */ | |
460 | SK_OUT16(IoC, MR_ADDR(MAC_2, RX_MFF_CTRL1), MFF_CLR_INTIST); | |
461 | } | |
462 | } | |
463 | #endif /* GENESIS */ | |
464 | ||
465 | #ifdef YUKON | |
466 | if (pAC->GIni.GIYukon) { | |
467 | /* This is necessary only for Rx timing measurements */ | |
468 | if ((HwStatus & IS_IRQ_TIST_OV) != 0) { | |
469 | /* increment Time Stamp Timer counter (high) */ | |
470 | pAC->GIni.GITimeStampCnt++; | |
471 | ||
472 | /* Clear Time Stamp Timer IRQ */ | |
473 | SK_OUT8(IoC, GMAC_TI_ST_CTRL, (SK_U8)GMT_ST_CLR_IRQ); | |
474 | } | |
475 | ||
476 | if ((HwStatus & IS_IRQ_SENSOR) != 0) { | |
477 | /* no sensors on 32-bit Yukon */ | |
478 | if (pAC->GIni.GIYukon32Bit) { | |
479 | /* disable HW Error IRQ */ | |
480 | pAC->GIni.GIValIrqMask &= ~IS_HW_ERR; | |
481 | } | |
482 | } | |
483 | } | |
484 | #endif /* YUKON */ | |
485 | ||
486 | if ((HwStatus & IS_RAM_RD_PAR) != 0) { | |
487 | SK_OUT16(IoC, B3_RI_CTRL, RI_CLR_RD_PERR); | |
488 | SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_SIRQ_E014, SKERR_SIRQ_E014MSG); | |
489 | Para.Para64 = 0; | |
490 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_ADAP_FAIL, Para); | |
491 | } | |
492 | ||
493 | if ((HwStatus & IS_RAM_WR_PAR) != 0) { | |
494 | SK_OUT16(IoC, B3_RI_CTRL, RI_CLR_WR_PERR); | |
495 | SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_SIRQ_E015, SKERR_SIRQ_E015MSG); | |
496 | Para.Para64 = 0; | |
497 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_ADAP_FAIL, Para); | |
498 | } | |
499 | ||
500 | if ((HwStatus & IS_M1_PAR_ERR) != 0) { | |
501 | SkMacParity(pAC, IoC, MAC_1); | |
502 | } | |
503 | ||
504 | if ((HwStatus & IS_M2_PAR_ERR) != 0) { | |
505 | SkMacParity(pAC, IoC, MAC_2); | |
506 | } | |
507 | ||
508 | if ((HwStatus & IS_R1_PAR_ERR) != 0) { | |
509 | /* Clear IRQ */ | |
510 | SK_OUT32(IoC, B0_R1_CSR, CSR_IRQ_CL_P); | |
511 | ||
512 | SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_SIRQ_E018, SKERR_SIRQ_E018MSG); | |
513 | Para.Para64 = MAC_1; | |
514 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_PORT_FAIL, Para); | |
515 | ||
516 | Para.Para32[0] = MAC_1; | |
517 | SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_LINK_DOWN, Para); | |
518 | } | |
519 | ||
520 | if ((HwStatus & IS_R2_PAR_ERR) != 0) { | |
521 | /* Clear IRQ */ | |
522 | SK_OUT32(IoC, B0_R2_CSR, CSR_IRQ_CL_P); | |
523 | ||
524 | SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_SIRQ_E019, SKERR_SIRQ_E019MSG); | |
525 | Para.Para64 = MAC_2; | |
526 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_PORT_FAIL, Para); | |
527 | ||
528 | Para.Para32[0] = MAC_2; | |
529 | SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_LINK_DOWN, Para); | |
530 | } | |
531 | } /* SkGeHwErr */ | |
532 | ||
533 | ||
534 | /****************************************************************************** | |
535 | * | |
536 | * SkGeSirqIsr() - Special Interrupt Service Routine | |
537 | * | |
538 | * Description: handles all non data transfer specific interrupts (slow path) | |
539 | * | |
540 | * Returns: N/A | |
541 | */ | |
542 | void SkGeSirqIsr( | |
543 | SK_AC *pAC, /* adapter context */ | |
544 | SK_IOC IoC, /* IO context */ | |
545 | SK_U32 Istatus) /* Interrupt status word */ | |
546 | { | |
547 | SK_EVPARA Para; | |
548 | SK_U32 RegVal32; /* Read register value */ | |
549 | SK_GEPORT *pPrt; /* GIni Port struct pointer */ | |
550 | SK_U16 PhyInt; | |
551 | int i; | |
552 | ||
553 | if (((Istatus & IS_HW_ERR) & pAC->GIni.GIValIrqMask) != 0) { | |
554 | /* read the HW Error Interrupt source */ | |
555 | SK_IN32(IoC, B0_HWE_ISRC, &RegVal32); | |
556 | ||
557 | SkGeHwErr(pAC, IoC, RegVal32); | |
558 | } | |
559 | ||
560 | /* | |
561 | * Packet Timeout interrupts | |
562 | */ | |
563 | /* Check whether MACs are correctly initialized */ | |
564 | if (((Istatus & (IS_PA_TO_RX1 | IS_PA_TO_TX1)) != 0) && | |
565 | pAC->GIni.GP[MAC_1].PState == SK_PRT_RESET) { | |
566 | /* MAC 1 was not initialized but Packet timeout occured */ | |
567 | SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_SIRQ_E004, | |
568 | SKERR_SIRQ_E004MSG); | |
569 | } | |
570 | ||
571 | if (((Istatus & (IS_PA_TO_RX2 | IS_PA_TO_TX2)) != 0) && | |
572 | pAC->GIni.GP[MAC_2].PState == SK_PRT_RESET) { | |
573 | /* MAC 2 was not initialized but Packet timeout occured */ | |
574 | SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_SIRQ_E005, | |
575 | SKERR_SIRQ_E005MSG); | |
576 | } | |
577 | ||
578 | if ((Istatus & IS_PA_TO_RX1) != 0) { | |
579 | /* Means network is filling us up */ | |
580 | SK_ERR_LOG(pAC, SK_ERRCL_HW | SK_ERRCL_INIT, SKERR_SIRQ_E002, | |
581 | SKERR_SIRQ_E002MSG); | |
582 | SK_OUT16(IoC, B3_PA_CTRL, PA_CLR_TO_RX1); | |
583 | } | |
584 | ||
585 | if ((Istatus & IS_PA_TO_RX2) != 0) { | |
586 | /* Means network is filling us up */ | |
587 | SK_ERR_LOG(pAC, SK_ERRCL_HW | SK_ERRCL_INIT, SKERR_SIRQ_E003, | |
588 | SKERR_SIRQ_E003MSG); | |
589 | SK_OUT16(IoC, B3_PA_CTRL, PA_CLR_TO_RX2); | |
590 | } | |
591 | ||
592 | if ((Istatus & IS_PA_TO_TX1) != 0) { | |
593 | ||
594 | pPrt = &pAC->GIni.GP[0]; | |
595 | ||
596 | /* May be a normal situation in a server with a slow network */ | |
597 | SK_OUT16(IoC, B3_PA_CTRL, PA_CLR_TO_TX1); | |
598 | ||
599 | #ifdef GENESIS | |
600 | if (pAC->GIni.GIGenesis) { | |
601 | /* | |
602 | * workaround: if in half duplex mode, check for Tx hangup. | |
603 | * Read number of TX'ed bytes, wait for 10 ms, then compare | |
604 | * the number with current value. If nothing changed, we assume | |
605 | * that Tx is hanging and do a FIFO flush (see event routine). | |
606 | */ | |
607 | if ((pPrt->PLinkModeStatus == SK_LMODE_STAT_HALF || | |
608 | pPrt->PLinkModeStatus == SK_LMODE_STAT_AUTOHALF) && | |
609 | !pPrt->HalfDupTimerActive) { | |
610 | /* | |
611 | * many more pack. arb. timeouts may come in between, | |
612 | * we ignore those | |
613 | */ | |
614 | pPrt->HalfDupTimerActive = SK_TRUE; | |
615 | #ifdef XXX | |
616 | Len = sizeof(SK_U64); | |
617 | SkPnmiGetVar(pAC, IoC, OID_SKGE_STAT_TX_OCTETS, (char *)&Octets, | |
618 | &Len, (SK_U32)SK_PNMI_PORT_PHYS2INST(pAC, 0), | |
619 | pAC->Rlmt.Port[0].Net->NetNumber); | |
620 | ||
621 | pPrt->LastOctets = Octets; | |
622 | #endif /* XXX */ | |
623 | /* Snap statistic counters */ | |
624 | (void)SkXmUpdateStats(pAC, IoC, 0); | |
625 | ||
626 | (void)SkXmMacStatistic(pAC, IoC, 0, XM_TXO_OK_HI, &RegVal32); | |
627 | ||
628 | pPrt->LastOctets = (SK_U64)RegVal32 << 32; | |
629 | ||
630 | (void)SkXmMacStatistic(pAC, IoC, 0, XM_TXO_OK_LO, &RegVal32); | |
631 | ||
632 | pPrt->LastOctets += RegVal32; | |
633 | ||
634 | Para.Para32[0] = 0; | |
635 | SkTimerStart(pAC, IoC, &pPrt->HalfDupChkTimer, SK_HALFDUP_CHK_TIME, | |
636 | SKGE_HWAC, SK_HWEV_HALFDUP_CHK, Para); | |
637 | } | |
638 | } | |
639 | #endif /* GENESIS */ | |
640 | } | |
641 | ||
642 | if ((Istatus & IS_PA_TO_TX2) != 0) { | |
643 | ||
644 | pPrt = &pAC->GIni.GP[1]; | |
645 | ||
646 | /* May be a normal situation in a server with a slow network */ | |
647 | SK_OUT16(IoC, B3_PA_CTRL, PA_CLR_TO_TX2); | |
648 | ||
649 | #ifdef GENESIS | |
650 | if (pAC->GIni.GIGenesis) { | |
651 | /* workaround: see above */ | |
652 | if ((pPrt->PLinkModeStatus == SK_LMODE_STAT_HALF || | |
653 | pPrt->PLinkModeStatus == SK_LMODE_STAT_AUTOHALF) && | |
654 | !pPrt->HalfDupTimerActive) { | |
655 | pPrt->HalfDupTimerActive = SK_TRUE; | |
656 | #ifdef XXX | |
657 | Len = sizeof(SK_U64); | |
658 | SkPnmiGetVar(pAC, IoC, OID_SKGE_STAT_TX_OCTETS, (char *)&Octets, | |
659 | &Len, (SK_U32)SK_PNMI_PORT_PHYS2INST(pAC, 1), | |
660 | pAC->Rlmt.Port[1].Net->NetNumber); | |
661 | ||
662 | pPrt->LastOctets = Octets; | |
663 | #endif /* XXX */ | |
664 | /* Snap statistic counters */ | |
665 | (void)SkXmUpdateStats(pAC, IoC, 1); | |
666 | ||
667 | (void)SkXmMacStatistic(pAC, IoC, 1, XM_TXO_OK_HI, &RegVal32); | |
668 | ||
669 | pPrt->LastOctets = (SK_U64)RegVal32 << 32; | |
670 | ||
671 | (void)SkXmMacStatistic(pAC, IoC, 1, XM_TXO_OK_LO, &RegVal32); | |
672 | ||
673 | pPrt->LastOctets += RegVal32; | |
674 | ||
675 | Para.Para32[0] = 1; | |
676 | SkTimerStart(pAC, IoC, &pPrt->HalfDupChkTimer, SK_HALFDUP_CHK_TIME, | |
677 | SKGE_HWAC, SK_HWEV_HALFDUP_CHK, Para); | |
678 | } | |
679 | } | |
680 | #endif /* GENESIS */ | |
681 | } | |
682 | ||
683 | /* Check interrupts of the particular queues */ | |
684 | if ((Istatus & IS_R1_C) != 0) { | |
685 | /* Clear IRQ */ | |
686 | SK_OUT32(IoC, B0_R1_CSR, CSR_IRQ_CL_C); | |
687 | SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_SIRQ_E006, | |
688 | SKERR_SIRQ_E006MSG); | |
689 | Para.Para64 = MAC_1; | |
690 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_PORT_FAIL, Para); | |
691 | Para.Para32[0] = MAC_1; | |
692 | SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_LINK_DOWN, Para); | |
693 | } | |
694 | ||
695 | if ((Istatus & IS_R2_C) != 0) { | |
696 | /* Clear IRQ */ | |
697 | SK_OUT32(IoC, B0_R2_CSR, CSR_IRQ_CL_C); | |
698 | SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_SIRQ_E007, | |
699 | SKERR_SIRQ_E007MSG); | |
700 | Para.Para64 = MAC_2; | |
701 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_PORT_FAIL, Para); | |
702 | Para.Para32[0] = MAC_2; | |
703 | SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_LINK_DOWN, Para); | |
704 | } | |
705 | ||
706 | if ((Istatus & IS_XS1_C) != 0) { | |
707 | /* Clear IRQ */ | |
708 | SK_OUT32(IoC, B0_XS1_CSR, CSR_IRQ_CL_C); | |
709 | SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_SIRQ_E008, | |
710 | SKERR_SIRQ_E008MSG); | |
711 | Para.Para64 = MAC_1; | |
712 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_PORT_FAIL, Para); | |
713 | Para.Para32[0] = MAC_1; | |
714 | SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_LINK_DOWN, Para); | |
715 | } | |
716 | ||
717 | if ((Istatus & IS_XA1_C) != 0) { | |
718 | /* Clear IRQ */ | |
719 | SK_OUT32(IoC, B0_XA1_CSR, CSR_IRQ_CL_C); | |
720 | SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_SIRQ_E009, | |
721 | SKERR_SIRQ_E009MSG); | |
722 | Para.Para64 = MAC_1; | |
723 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_PORT_FAIL, Para); | |
724 | Para.Para32[0] = MAC_1; | |
725 | SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_LINK_DOWN, Para); | |
726 | } | |
727 | ||
728 | if ((Istatus & IS_XS2_C) != 0) { | |
729 | /* Clear IRQ */ | |
730 | SK_OUT32(IoC, B0_XS2_CSR, CSR_IRQ_CL_C); | |
731 | SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_SIRQ_E010, | |
732 | SKERR_SIRQ_E010MSG); | |
733 | Para.Para64 = MAC_2; | |
734 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_PORT_FAIL, Para); | |
735 | Para.Para32[0] = MAC_2; | |
736 | SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_LINK_DOWN, Para); | |
737 | } | |
738 | ||
739 | if ((Istatus & IS_XA2_C) != 0) { | |
740 | /* Clear IRQ */ | |
741 | SK_OUT32(IoC, B0_XA2_CSR, CSR_IRQ_CL_C); | |
742 | SK_ERR_LOG(pAC, SK_ERRCL_SW | SK_ERRCL_INIT, SKERR_SIRQ_E011, | |
743 | SKERR_SIRQ_E011MSG); | |
744 | Para.Para64 = MAC_2; | |
745 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_PORT_FAIL, Para); | |
746 | Para.Para32[0] = MAC_2; | |
747 | SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_LINK_DOWN, Para); | |
748 | } | |
749 | ||
750 | /* External reg interrupt */ | |
751 | if ((Istatus & IS_EXT_REG) != 0) { | |
752 | /* Test IRQs from PHY */ | |
753 | for (i = 0; i < pAC->GIni.GIMacsFound; i++) { | |
754 | ||
755 | pPrt = &pAC->GIni.GP[i]; | |
756 | ||
757 | if (pPrt->PState == SK_PRT_RESET) { | |
758 | continue; | |
759 | } | |
760 | ||
761 | #ifdef GENESIS | |
762 | if (pAC->GIni.GIGenesis) { | |
763 | ||
764 | switch (pPrt->PhyType) { | |
765 | ||
766 | case SK_PHY_XMAC: | |
767 | break; | |
768 | ||
769 | case SK_PHY_BCOM: | |
770 | SkXmPhyRead(pAC, IoC, i, PHY_BCOM_INT_STAT, &PhyInt); | |
771 | ||
772 | if ((PhyInt & ~PHY_B_DEF_MSK) != 0) { | |
773 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, | |
774 | ("Port %d Bcom Int: 0x%04X\n", | |
775 | i, PhyInt)); | |
776 | SkPhyIsrBcom(pAC, IoC, i, PhyInt); | |
777 | } | |
778 | break; | |
779 | #ifdef OTHER_PHY | |
780 | case SK_PHY_LONE: | |
781 | SkXmPhyRead(pAC, IoC, i, PHY_LONE_INT_STAT, &PhyInt); | |
782 | ||
783 | if ((PhyInt & PHY_L_DEF_MSK) != 0) { | |
784 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, | |
785 | ("Port %d Lone Int: %x\n", | |
786 | i, PhyInt)); | |
787 | SkPhyIsrLone(pAC, IoC, i, PhyInt); | |
788 | } | |
789 | break; | |
790 | #endif /* OTHER_PHY */ | |
791 | } | |
792 | } | |
793 | #endif /* GENESIS */ | |
794 | ||
795 | #ifdef YUKON | |
796 | if (pAC->GIni.GIYukon) { | |
797 | /* Read PHY Interrupt Status */ | |
798 | SkGmPhyRead(pAC, IoC, i, PHY_MARV_INT_STAT, &PhyInt); | |
799 | ||
800 | if ((PhyInt & PHY_M_DEF_MSK) != 0) { | |
801 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, | |
802 | ("Port %d Marv Int: 0x%04X\n", | |
803 | i, PhyInt)); | |
804 | SkPhyIsrGmac(pAC, IoC, i, PhyInt); | |
805 | } | |
806 | } | |
807 | #endif /* YUKON */ | |
808 | } | |
809 | } | |
810 | ||
811 | /* I2C Ready interrupt */ | |
812 | if ((Istatus & IS_I2C_READY) != 0) { | |
813 | #ifdef SK_SLIM | |
814 | SK_OUT32(IoC, B2_I2C_IRQ, I2C_CLR_IRQ); | |
815 | #else | |
816 | SkI2cIsr(pAC, IoC); | |
817 | #endif | |
818 | } | |
819 | ||
820 | /* SW forced interrupt */ | |
821 | if ((Istatus & IS_IRQ_SW) != 0) { | |
822 | /* clear the software IRQ */ | |
823 | SK_OUT8(IoC, B0_CTST, CS_CL_SW_IRQ); | |
824 | } | |
825 | ||
826 | if ((Istatus & IS_LNK_SYNC_M1) != 0) { | |
827 | /* | |
828 | * We do NOT need the Link Sync interrupt, because it shows | |
829 | * us only a link going down. | |
830 | */ | |
831 | /* clear interrupt */ | |
832 | SK_OUT8(IoC, MR_ADDR(MAC_1, LNK_SYNC_CTRL), LED_CLR_IRQ); | |
833 | } | |
834 | ||
835 | /* Check MAC after link sync counter */ | |
836 | if ((Istatus & IS_MAC1) != 0) { | |
837 | /* IRQ from MAC 1 */ | |
838 | SkMacIrq(pAC, IoC, MAC_1); | |
839 | } | |
840 | ||
841 | if ((Istatus & IS_LNK_SYNC_M2) != 0) { | |
842 | /* | |
843 | * We do NOT need the Link Sync interrupt, because it shows | |
844 | * us only a link going down. | |
845 | */ | |
846 | /* clear interrupt */ | |
847 | SK_OUT8(IoC, MR_ADDR(MAC_2, LNK_SYNC_CTRL), LED_CLR_IRQ); | |
848 | } | |
849 | ||
850 | /* Check MAC after link sync counter */ | |
851 | if ((Istatus & IS_MAC2) != 0) { | |
852 | /* IRQ from MAC 2 */ | |
853 | SkMacIrq(pAC, IoC, MAC_2); | |
854 | } | |
855 | ||
856 | /* Timer interrupt (served last) */ | |
857 | if ((Istatus & IS_TIMINT) != 0) { | |
858 | /* check for HW Errors */ | |
859 | if (((Istatus & IS_HW_ERR) & ~pAC->GIni.GIValIrqMask) != 0) { | |
860 | /* read the HW Error Interrupt source */ | |
861 | SK_IN32(IoC, B0_HWE_ISRC, &RegVal32); | |
862 | ||
863 | SkGeHwErr(pAC, IoC, RegVal32); | |
864 | } | |
865 | ||
866 | SkHwtIsr(pAC, IoC); | |
867 | } | |
868 | ||
869 | } /* SkGeSirqIsr */ | |
870 | ||
871 | ||
872 | #ifdef GENESIS | |
873 | /****************************************************************************** | |
874 | * | |
875 | * SkGePortCheckShorts() - Implementing XMAC Workaround Errata # 2 | |
876 | * | |
877 | * return: | |
878 | * 0 o.k. nothing needed | |
879 | * 1 Restart needed on this port | |
880 | */ | |
881 | static int SkGePortCheckShorts( | |
882 | SK_AC *pAC, /* Adapter Context */ | |
883 | SK_IOC IoC, /* IO Context */ | |
884 | int Port) /* Which port should be checked */ | |
885 | { | |
886 | SK_U32 Shorts; /* Short Event Counter */ | |
887 | SK_U32 CheckShorts; /* Check value for Short Event Counter */ | |
888 | SK_U64 RxCts; /* Rx Counter (packets on network) */ | |
889 | SK_U32 RxTmp; /* Rx temp. Counter */ | |
890 | SK_U32 FcsErrCts; /* FCS Error Counter */ | |
891 | SK_GEPORT *pPrt; /* GIni Port struct pointer */ | |
892 | int Rtv; /* Return value */ | |
893 | int i; | |
894 | ||
895 | pPrt = &pAC->GIni.GP[Port]; | |
896 | ||
897 | /* Default: no action */ | |
898 | Rtv = SK_HW_PS_NONE; | |
899 | ||
900 | (void)SkXmUpdateStats(pAC, IoC, Port); | |
901 | ||
902 | /* Extra precaution: check for short Event counter */ | |
903 | (void)SkXmMacStatistic(pAC, IoC, Port, XM_RXE_SHT_ERR, &Shorts); | |
904 | ||
905 | /* | |
906 | * Read Rx counters (packets seen on the network and not necessarily | |
907 | * really received. | |
908 | */ | |
909 | RxCts = 0; | |
910 | ||
911 | for (i = 0; i < sizeof(SkGeRxRegs)/sizeof(SkGeRxRegs[0]); i++) { | |
912 | ||
913 | (void)SkXmMacStatistic(pAC, IoC, Port, SkGeRxRegs[i], &RxTmp); | |
914 | ||
915 | RxCts += (SK_U64)RxTmp; | |
916 | } | |
917 | ||
918 | /* On default: check shorts against zero */ | |
919 | CheckShorts = 0; | |
920 | ||
921 | /* Extra precaution on active links */ | |
922 | if (pPrt->PHWLinkUp) { | |
923 | /* Reset Link Restart counter */ | |
924 | pPrt->PLinkResCt = 0; | |
925 | pPrt->PAutoNegTOCt = 0; | |
926 | ||
927 | /* If link is up check for 2 */ | |
928 | CheckShorts = 2; | |
929 | ||
930 | (void)SkXmMacStatistic(pAC, IoC, Port, XM_RXF_FCS_ERR, &FcsErrCts); | |
931 | ||
932 | if (pPrt->PLinkModeConf == SK_LMODE_AUTOSENSE && | |
933 | pPrt->PLipaAutoNeg == SK_LIPA_UNKNOWN && | |
934 | (pPrt->PLinkMode == SK_LMODE_HALF || | |
935 | pPrt->PLinkMode == SK_LMODE_FULL)) { | |
936 | /* | |
937 | * This is autosensing and we are in the fallback | |
938 | * manual full/half duplex mode. | |
939 | */ | |
940 | if (RxCts == pPrt->PPrevRx) { | |
941 | /* Nothing received, restart link */ | |
942 | pPrt->PPrevFcs = FcsErrCts; | |
943 | pPrt->PPrevShorts = Shorts; | |
944 | ||
945 | return(SK_HW_PS_RESTART); | |
946 | } | |
947 | else { | |
948 | pPrt->PLipaAutoNeg = SK_LIPA_MANUAL; | |
949 | } | |
950 | } | |
951 | ||
952 | if (((RxCts - pPrt->PPrevRx) > pPrt->PRxLim) || | |
953 | (!(FcsErrCts - pPrt->PPrevFcs))) { | |
954 | /* | |
955 | * Note: The compare with zero above has to be done the way shown, | |
956 | * otherwise the Linux driver will have a problem. | |
957 | */ | |
958 | /* | |
959 | * We received a bunch of frames or no CRC error occured on the | |
960 | * network -> ok. | |
961 | */ | |
962 | pPrt->PPrevRx = RxCts; | |
963 | pPrt->PPrevFcs = FcsErrCts; | |
964 | pPrt->PPrevShorts = Shorts; | |
965 | ||
966 | return(SK_HW_PS_NONE); | |
967 | } | |
968 | ||
969 | pPrt->PPrevFcs = FcsErrCts; | |
970 | } | |
971 | ||
972 | ||
973 | if ((Shorts - pPrt->PPrevShorts) > CheckShorts) { | |
974 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, | |
975 | ("Short Event Count Restart Port %d \n", Port)); | |
976 | Rtv = SK_HW_PS_RESTART; | |
977 | } | |
978 | ||
979 | pPrt->PPrevShorts = Shorts; | |
980 | pPrt->PPrevRx = RxCts; | |
981 | ||
982 | return(Rtv); | |
983 | } /* SkGePortCheckShorts */ | |
984 | #endif /* GENESIS */ | |
985 | ||
986 | ||
987 | /****************************************************************************** | |
988 | * | |
989 | * SkGePortCheckUp() - Check if the link is up | |
990 | * | |
991 | * return: | |
992 | * 0 o.k. nothing needed | |
993 | * 1 Restart needed on this port | |
994 | * 2 Link came up | |
995 | */ | |
996 | static int SkGePortCheckUp( | |
997 | SK_AC *pAC, /* Adapter Context */ | |
998 | SK_IOC IoC, /* IO Context */ | |
999 | int Port) /* Which port should be checked */ | |
1000 | { | |
1001 | SK_GEPORT *pPrt; /* GIni Port struct pointer */ | |
1002 | SK_BOOL AutoNeg; /* Is Auto-negotiation used ? */ | |
1003 | int Rtv; /* Return value */ | |
1004 | ||
1005 | Rtv = SK_HW_PS_NONE; | |
1006 | ||
1007 | pPrt = &pAC->GIni.GP[Port]; | |
1008 | ||
1009 | if (pPrt->PLinkMode == SK_LMODE_HALF || pPrt->PLinkMode == SK_LMODE_FULL) { | |
1010 | AutoNeg = SK_FALSE; | |
1011 | } | |
1012 | else { | |
1013 | AutoNeg = SK_TRUE; | |
1014 | } | |
1015 | ||
1016 | #ifdef GENESIS | |
1017 | if (pAC->GIni.GIGenesis) { | |
1018 | ||
1019 | switch (pPrt->PhyType) { | |
1020 | ||
1021 | case SK_PHY_XMAC: | |
1022 | Rtv = SkGePortCheckUpXmac(pAC, IoC, Port, AutoNeg); | |
1023 | break; | |
1024 | case SK_PHY_BCOM: | |
1025 | Rtv = SkGePortCheckUpBcom(pAC, IoC, Port, AutoNeg); | |
1026 | break; | |
1027 | #ifdef OTHER_PHY | |
1028 | case SK_PHY_LONE: | |
1029 | Rtv = SkGePortCheckUpLone(pAC, IoC, Port, AutoNeg); | |
1030 | break; | |
1031 | case SK_PHY_NAT: | |
1032 | Rtv = SkGePortCheckUpNat(pAC, IoC, Port, AutoNeg); | |
1033 | break; | |
1034 | #endif /* OTHER_PHY */ | |
1035 | } | |
1036 | } | |
1037 | #endif /* GENESIS */ | |
1038 | ||
1039 | #ifdef YUKON | |
1040 | if (pAC->GIni.GIYukon) { | |
1041 | ||
1042 | Rtv = SkGePortCheckUpGmac(pAC, IoC, Port, AutoNeg); | |
1043 | } | |
1044 | #endif /* YUKON */ | |
1045 | ||
1046 | return(Rtv); | |
1047 | } /* SkGePortCheckUp */ | |
1048 | ||
1049 | ||
1050 | #ifdef GENESIS | |
1051 | /****************************************************************************** | |
1052 | * | |
1053 | * SkGePortCheckUpXmac() - Implementing of the Workaround Errata # 2 | |
1054 | * | |
1055 | * return: | |
1056 | * 0 o.k. nothing needed | |
1057 | * 1 Restart needed on this port | |
1058 | * 2 Link came up | |
1059 | */ | |
1060 | static int SkGePortCheckUpXmac( | |
1061 | SK_AC *pAC, /* Adapter Context */ | |
1062 | SK_IOC IoC, /* IO Context */ | |
1063 | int Port, /* Which port should be checked */ | |
1064 | SK_BOOL AutoNeg) /* Is Auto-negotiation used ? */ | |
1065 | { | |
1066 | SK_U32 Shorts; /* Short Event Counter */ | |
1067 | SK_GEPORT *pPrt; /* GIni Port struct pointer */ | |
1068 | int Done; | |
1069 | SK_U32 GpReg; /* General Purpose register value */ | |
1070 | SK_U16 Isrc; /* Interrupt source register */ | |
1071 | SK_U16 IsrcSum; /* Interrupt source register sum */ | |
1072 | SK_U16 LpAb; /* Link Partner Ability */ | |
1073 | SK_U16 ResAb; /* Resolved Ability */ | |
1074 | SK_U16 ExtStat; /* Extended Status Register */ | |
1075 | SK_U8 NextMode; /* Next AutoSensing Mode */ | |
1076 | ||
1077 | pPrt = &pAC->GIni.GP[Port]; | |
1078 | ||
1079 | if (pPrt->PHWLinkUp) { | |
1080 | if (pPrt->PhyType != SK_PHY_XMAC) { | |
1081 | return(SK_HW_PS_NONE); | |
1082 | } | |
1083 | else { | |
1084 | return(SkGePortCheckShorts(pAC, IoC, Port)); | |
1085 | } | |
1086 | } | |
1087 | ||
1088 | IsrcSum = pPrt->PIsave; | |
1089 | pPrt->PIsave = 0; | |
1090 | ||
1091 | /* Now wait for each port's link */ | |
1092 | if (pPrt->PLinkBroken) { | |
1093 | /* Link was broken */ | |
1094 | XM_IN32(IoC, Port, XM_GP_PORT, &GpReg); | |
1095 | ||
1096 | if ((GpReg & XM_GP_INP_ASS) == 0) { | |
1097 | /* The Link is in sync */ | |
1098 | XM_IN16(IoC, Port, XM_ISRC, &Isrc); | |
1099 | IsrcSum |= Isrc; | |
1100 | SkXmAutoNegLipaXmac(pAC, IoC, Port, IsrcSum); | |
1101 | ||
1102 | if ((Isrc & XM_IS_INP_ASS) == 0) { | |
1103 | /* It has been in sync since last time */ | |
1104 | /* Restart the PORT */ | |
1105 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, | |
1106 | ("Link in sync Restart Port %d\n", Port)); | |
1107 | ||
1108 | (void)SkXmUpdateStats(pAC, IoC, Port); | |
1109 | ||
1110 | /* We now need to reinitialize the PrevShorts counter */ | |
1111 | (void)SkXmMacStatistic(pAC, IoC, Port, XM_RXE_SHT_ERR, &Shorts); | |
1112 | pPrt->PPrevShorts = Shorts; | |
1113 | ||
1114 | pPrt->PLinkBroken = SK_FALSE; | |
1115 | ||
1116 | /* | |
1117 | * Link Restart Workaround: | |
1118 | * it may be possible that the other Link side | |
1119 | * restarts its link as well an we detect | |
1120 | * another LinkBroken. To prevent this | |
1121 | * happening we check for a maximum number | |
1122 | * of consecutive restart. If those happens, | |
1123 | * we do NOT restart the active link and | |
1124 | * check whether the link is now o.k. | |
1125 | */ | |
1126 | pPrt->PLinkResCt++; | |
1127 | ||
1128 | pPrt->PAutoNegTimeOut = 0; | |
1129 | ||
1130 | if (pPrt->PLinkResCt < SK_MAX_LRESTART) { | |
1131 | return(SK_HW_PS_RESTART); | |
1132 | } | |
1133 | ||
1134 | pPrt->PLinkResCt = 0; | |
1135 | ||
1136 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, | |
1137 | ("Do NOT restart on Port %d %x %x\n", Port, Isrc, IsrcSum)); | |
1138 | } | |
1139 | else { | |
1140 | pPrt->PIsave = (SK_U16)(IsrcSum & XM_IS_AND); | |
1141 | ||
1142 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, | |
1143 | ("Save Sync/nosync Port %d %x %x\n", Port, Isrc, IsrcSum)); | |
1144 | ||
1145 | /* Do nothing more if link is broken */ | |
1146 | return(SK_HW_PS_NONE); | |
1147 | } | |
1148 | } | |
1149 | else { | |
1150 | /* Do nothing more if link is broken */ | |
1151 | return(SK_HW_PS_NONE); | |
1152 | } | |
1153 | ||
1154 | } | |
1155 | else { | |
1156 | /* Link was not broken, check if it is */ | |
1157 | XM_IN16(IoC, Port, XM_ISRC, &Isrc); | |
1158 | IsrcSum |= Isrc; | |
1159 | if ((Isrc & XM_IS_INP_ASS) != 0) { | |
1160 | XM_IN16(IoC, Port, XM_ISRC, &Isrc); | |
1161 | IsrcSum |= Isrc; | |
1162 | if ((Isrc & XM_IS_INP_ASS) != 0) { | |
1163 | XM_IN16(IoC, Port, XM_ISRC, &Isrc); | |
1164 | IsrcSum |= Isrc; | |
1165 | if ((Isrc & XM_IS_INP_ASS) != 0) { | |
1166 | pPrt->PLinkBroken = SK_TRUE; | |
1167 | /* Re-Init Link partner Autoneg flag */ | |
1168 | pPrt->PLipaAutoNeg = SK_LIPA_UNKNOWN; | |
1169 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, | |
1170 | ("Link broken Port %d\n", Port)); | |
1171 | ||
1172 | /* Cable removed-> reinit sense mode */ | |
1173 | SkHWInitDefSense(pAC, IoC, Port); | |
1174 | ||
1175 | return(SK_HW_PS_RESTART); | |
1176 | } | |
1177 | } | |
1178 | } | |
1179 | else { | |
1180 | SkXmAutoNegLipaXmac(pAC, IoC, Port, Isrc); | |
1181 | ||
1182 | if (SkGePortCheckShorts(pAC, IoC, Port) == SK_HW_PS_RESTART) { | |
1183 | return(SK_HW_PS_RESTART); | |
1184 | } | |
1185 | } | |
1186 | } | |
1187 | ||
1188 | /* | |
1189 | * here we usually can check whether the link is in sync and | |
1190 | * auto-negotiation is done. | |
1191 | */ | |
1192 | XM_IN32(IoC, Port, XM_GP_PORT, &GpReg); | |
1193 | XM_IN16(IoC, Port, XM_ISRC, &Isrc); | |
1194 | IsrcSum |= Isrc; | |
1195 | ||
1196 | SkXmAutoNegLipaXmac(pAC, IoC, Port, IsrcSum); | |
1197 | ||
1198 | if ((GpReg & XM_GP_INP_ASS) != 0 || (IsrcSum & XM_IS_INP_ASS) != 0) { | |
1199 | if ((GpReg & XM_GP_INP_ASS) == 0) { | |
1200 | /* Save Auto-negotiation Done interrupt only if link is in sync */ | |
1201 | pPrt->PIsave = (SK_U16)(IsrcSum & XM_IS_AND); | |
1202 | } | |
1203 | #ifdef DEBUG | |
1204 | if ((pPrt->PIsave & XM_IS_AND) != 0) { | |
1205 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, | |
1206 | ("AutoNeg done rescheduled Port %d\n", Port)); | |
1207 | } | |
1208 | #endif /* DEBUG */ | |
1209 | return(SK_HW_PS_NONE); | |
1210 | } | |
1211 | ||
1212 | if (AutoNeg) { | |
1213 | if ((IsrcSum & XM_IS_AND) != 0) { | |
1214 | SkHWLinkUp(pAC, IoC, Port); | |
1215 | Done = SkMacAutoNegDone(pAC, IoC, Port); | |
1216 | if (Done != SK_AND_OK) { | |
1217 | /* Get PHY parameters, for debugging only */ | |
1218 | SkXmPhyRead(pAC, IoC, Port, PHY_XMAC_AUNE_LP, &LpAb); | |
1219 | SkXmPhyRead(pAC, IoC, Port, PHY_XMAC_RES_ABI, &ResAb); | |
1220 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, | |
1221 | ("AutoNeg FAIL Port %d (LpAb %x, ResAb %x)\n", | |
1222 | Port, LpAb, ResAb)); | |
1223 | ||
1224 | /* Try next possible mode */ | |
1225 | NextMode = SkHWSenseGetNext(pAC, IoC, Port); | |
1226 | SkHWLinkDown(pAC, IoC, Port); | |
1227 | if (Done == SK_AND_DUP_CAP) { | |
1228 | /* GoTo next mode */ | |
1229 | SkHWSenseSetNext(pAC, IoC, Port, NextMode); | |
1230 | } | |
1231 | ||
1232 | return(SK_HW_PS_RESTART); | |
1233 | } | |
1234 | /* | |
1235 | * Dummy Read extended status to prevent extra link down/ups | |
1236 | * (clear Page Received bit if set) | |
1237 | */ | |
1238 | SkXmPhyRead(pAC, IoC, Port, PHY_XMAC_AUNE_EXP, &ExtStat); | |
1239 | ||
1240 | return(SK_HW_PS_LINK); | |
1241 | } | |
1242 | ||
1243 | /* AutoNeg not done, but HW link is up. Check for timeouts */ | |
1244 | pPrt->PAutoNegTimeOut++; | |
1245 | if (pPrt->PAutoNegTimeOut >= SK_AND_MAX_TO) { | |
1246 | /* Increase the Timeout counter */ | |
1247 | pPrt->PAutoNegTOCt++; | |
1248 | ||
1249 | /* Timeout occured */ | |
1250 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, | |
1251 | ("AutoNeg timeout Port %d\n", Port)); | |
1252 | if (pPrt->PLinkModeConf == SK_LMODE_AUTOSENSE && | |
1253 | pPrt->PLipaAutoNeg != SK_LIPA_AUTO) { | |
1254 | /* Set Link manually up */ | |
1255 | SkHWSenseSetNext(pAC, IoC, Port, SK_LMODE_FULL); | |
1256 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, | |
1257 | ("Set manual full duplex Port %d\n", Port)); | |
1258 | } | |
1259 | ||
1260 | if (pPrt->PLinkModeConf == SK_LMODE_AUTOSENSE && | |
1261 | pPrt->PLipaAutoNeg == SK_LIPA_AUTO && | |
1262 | pPrt->PAutoNegTOCt >= SK_MAX_ANEG_TO) { | |
1263 | /* | |
1264 | * This is rather complicated. | |
1265 | * we need to check here whether the LIPA_AUTO | |
1266 | * we saw before is false alert. We saw at one | |
1267 | * switch ( SR8800) that on boot time it sends | |
1268 | * just one auto-neg packet and does no further | |
1269 | * auto-negotiation. | |
1270 | * Solution: we restart the autosensing after | |
1271 | * a few timeouts. | |
1272 | */ | |
1273 | pPrt->PAutoNegTOCt = 0; | |
1274 | pPrt->PLipaAutoNeg = SK_LIPA_UNKNOWN; | |
1275 | SkHWInitDefSense(pAC, IoC, Port); | |
1276 | } | |
1277 | ||
1278 | /* Do the restart */ | |
1279 | return(SK_HW_PS_RESTART); | |
1280 | } | |
1281 | } | |
1282 | else { | |
1283 | /* Link is up and we don't need more */ | |
1284 | #ifdef DEBUG | |
1285 | if (pPrt->PLipaAutoNeg == SK_LIPA_AUTO) { | |
1286 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, | |
1287 | ("ERROR: Lipa auto detected on port %d\n", Port)); | |
1288 | } | |
1289 | #endif /* DEBUG */ | |
1290 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, | |
1291 | ("Link sync(GP), Port %d\n", Port)); | |
1292 | SkHWLinkUp(pAC, IoC, Port); | |
1293 | ||
1294 | /* | |
1295 | * Link sync (GP) and so assume a good connection. But if not received | |
1296 | * a bunch of frames received in a time slot (maybe broken tx cable) | |
1297 | * the port is restart. | |
1298 | */ | |
1299 | return(SK_HW_PS_LINK); | |
1300 | } | |
1301 | ||
1302 | return(SK_HW_PS_NONE); | |
1303 | } /* SkGePortCheckUpXmac */ | |
1304 | ||
1305 | ||
1306 | /****************************************************************************** | |
1307 | * | |
1308 | * SkGePortCheckUpBcom() - Check if the link is up on Bcom PHY | |
1309 | * | |
1310 | * return: | |
1311 | * 0 o.k. nothing needed | |
1312 | * 1 Restart needed on this port | |
1313 | * 2 Link came up | |
1314 | */ | |
1315 | static int SkGePortCheckUpBcom( | |
1316 | SK_AC *pAC, /* Adapter Context */ | |
1317 | SK_IOC IoC, /* IO Context */ | |
1318 | int Port, /* Which port should be checked */ | |
1319 | SK_BOOL AutoNeg) /* Is Auto-negotiation used ? */ | |
1320 | { | |
1321 | SK_GEPORT *pPrt; /* GIni Port struct pointer */ | |
1322 | int Done; | |
1323 | SK_U16 Isrc; /* Interrupt source register */ | |
1324 | SK_U16 PhyStat; /* Phy Status Register */ | |
1325 | SK_U16 ResAb; /* Master/Slave resolution */ | |
1326 | SK_U16 Ctrl; /* Broadcom control flags */ | |
1327 | #ifdef DEBUG | |
1328 | SK_U16 LpAb; | |
1329 | SK_U16 ExtStat; | |
1330 | #endif /* DEBUG */ | |
1331 | ||
1332 | pPrt = &pAC->GIni.GP[Port]; | |
1333 | ||
1334 | /* Check for No HCD Link events (#10523) */ | |
1335 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_INT_STAT, &Isrc); | |
1336 | ||
1337 | #ifdef xDEBUG | |
1338 | if ((Isrc & ~(PHY_B_IS_HCT | PHY_B_IS_LCT) == | |
1339 | (PHY_B_IS_SCR_S_ER | PHY_B_IS_RRS_CHANGE | PHY_B_IS_LRS_CHANGE)) { | |
1340 | ||
1341 | SK_U32 Stat1, Stat2, Stat3; | |
1342 | ||
1343 | Stat1 = 0; | |
1344 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_INT_MASK, &Stat1); | |
1345 | CMSMPrintString( | |
1346 | pAC->pConfigTable, | |
1347 | MSG_TYPE_RUNTIME_INFO, | |
1348 | "CheckUp1 - Stat: %x, Mask: %x", | |
1349 | (void *)Isrc, | |
1350 | (void *)Stat1); | |
1351 | ||
1352 | Stat1 = 0; | |
1353 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_CTRL, &Stat1); | |
1354 | Stat2 = 0; | |
1355 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_STAT, &Stat2); | |
1356 | Stat1 = Stat1 << 16 | Stat2; | |
1357 | Stat2 = 0; | |
1358 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_AUNE_ADV, &Stat2); | |
1359 | Stat3 = 0; | |
1360 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_AUNE_LP, &Stat3); | |
1361 | Stat2 = Stat2 << 16 | Stat3; | |
1362 | CMSMPrintString( | |
1363 | pAC->pConfigTable, | |
1364 | MSG_TYPE_RUNTIME_INFO, | |
1365 | "Ctrl/Stat: %x, AN Adv/LP: %x", | |
1366 | (void *)Stat1, | |
1367 | (void *)Stat2); | |
1368 | ||
1369 | Stat1 = 0; | |
1370 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_AUNE_EXP, &Stat1); | |
1371 | Stat2 = 0; | |
1372 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_EXT_STAT, &Stat2); | |
1373 | Stat1 = Stat1 << 16 | Stat2; | |
1374 | Stat2 = 0; | |
1375 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_1000T_CTRL, &Stat2); | |
1376 | Stat3 = 0; | |
1377 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_1000T_STAT, &Stat3); | |
1378 | Stat2 = Stat2 << 16 | Stat3; | |
1379 | CMSMPrintString( | |
1380 | pAC->pConfigTable, | |
1381 | MSG_TYPE_RUNTIME_INFO, | |
1382 | "AN Exp/IEEE Ext: %x, 1000T Ctrl/Stat: %x", | |
1383 | (void *)Stat1, | |
1384 | (void *)Stat2); | |
1385 | ||
1386 | Stat1 = 0; | |
1387 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_P_EXT_CTRL, &Stat1); | |
1388 | Stat2 = 0; | |
1389 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_P_EXT_STAT, &Stat2); | |
1390 | Stat1 = Stat1 << 16 | Stat2; | |
1391 | Stat2 = 0; | |
1392 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_AUX_CTRL, &Stat2); | |
1393 | Stat3 = 0; | |
1394 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_AUX_STAT, &Stat3); | |
1395 | Stat2 = Stat2 << 16 | Stat3; | |
1396 | CMSMPrintString( | |
1397 | pAC->pConfigTable, | |
1398 | MSG_TYPE_RUNTIME_INFO, | |
1399 | "PHY Ext Ctrl/Stat: %x, Aux Ctrl/Stat: %x", | |
1400 | (void *)Stat1, | |
1401 | (void *)Stat2); | |
1402 | } | |
1403 | #endif /* DEBUG */ | |
1404 | ||
1405 | if ((Isrc & (PHY_B_IS_NO_HDCL /* | PHY_B_IS_NO_HDC */)) != 0) { | |
1406 | /* | |
1407 | * Workaround BCom Errata: | |
1408 | * enable and disable loopback mode if "NO HCD" occurs. | |
1409 | */ | |
1410 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_CTRL, &Ctrl); | |
1411 | SkXmPhyWrite(pAC, IoC, Port, PHY_BCOM_CTRL, | |
1412 | (SK_U16)(Ctrl | PHY_CT_LOOP)); | |
1413 | SkXmPhyWrite(pAC, IoC, Port, PHY_BCOM_CTRL, | |
1414 | (SK_U16)(Ctrl & ~PHY_CT_LOOP)); | |
1415 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, | |
1416 | ("No HCD Link event, Port %d\n", Port)); | |
1417 | #ifdef xDEBUG | |
1418 | CMSMPrintString( | |
1419 | pAC->pConfigTable, | |
1420 | MSG_TYPE_RUNTIME_INFO, | |
1421 | "No HCD link event, port %d.", | |
1422 | (void *)Port, | |
1423 | (void *)NULL); | |
1424 | #endif /* DEBUG */ | |
1425 | } | |
1426 | ||
1427 | /* Not obsolete: link status bit is latched to 0 and autoclearing! */ | |
1428 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_STAT, &PhyStat); | |
1429 | ||
1430 | if (pPrt->PHWLinkUp) { | |
1431 | return(SK_HW_PS_NONE); | |
1432 | } | |
1433 | ||
1434 | #ifdef xDEBUG | |
1435 | { | |
1436 | SK_U32 Stat1, Stat2, Stat3; | |
1437 | ||
1438 | Stat1 = 0; | |
1439 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_INT_MASK, &Stat1); | |
1440 | CMSMPrintString( | |
1441 | pAC->pConfigTable, | |
1442 | MSG_TYPE_RUNTIME_INFO, | |
1443 | "CheckUp1a - Stat: %x, Mask: %x", | |
1444 | (void *)Isrc, | |
1445 | (void *)Stat1); | |
1446 | ||
1447 | Stat1 = 0; | |
1448 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_CTRL, &Stat1); | |
1449 | Stat2 = 0; | |
1450 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_STAT, &PhyStat); | |
1451 | Stat1 = Stat1 << 16 | PhyStat; | |
1452 | Stat2 = 0; | |
1453 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_AUNE_ADV, &Stat2); | |
1454 | Stat3 = 0; | |
1455 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_AUNE_LP, &Stat3); | |
1456 | Stat2 = Stat2 << 16 | Stat3; | |
1457 | CMSMPrintString( | |
1458 | pAC->pConfigTable, | |
1459 | MSG_TYPE_RUNTIME_INFO, | |
1460 | "Ctrl/Stat: %x, AN Adv/LP: %x", | |
1461 | (void *)Stat1, | |
1462 | (void *)Stat2); | |
1463 | ||
1464 | Stat1 = 0; | |
1465 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_AUNE_EXP, &Stat1); | |
1466 | Stat2 = 0; | |
1467 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_EXT_STAT, &Stat2); | |
1468 | Stat1 = Stat1 << 16 | Stat2; | |
1469 | Stat2 = 0; | |
1470 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_1000T_CTRL, &Stat2); | |
1471 | Stat3 = 0; | |
1472 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_1000T_STAT, &ResAb); | |
1473 | Stat2 = Stat2 << 16 | ResAb; | |
1474 | CMSMPrintString( | |
1475 | pAC->pConfigTable, | |
1476 | MSG_TYPE_RUNTIME_INFO, | |
1477 | "AN Exp/IEEE Ext: %x, 1000T Ctrl/Stat: %x", | |
1478 | (void *)Stat1, | |
1479 | (void *)Stat2); | |
1480 | ||
1481 | Stat1 = 0; | |
1482 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_P_EXT_CTRL, &Stat1); | |
1483 | Stat2 = 0; | |
1484 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_P_EXT_STAT, &Stat2); | |
1485 | Stat1 = Stat1 << 16 | Stat2; | |
1486 | Stat2 = 0; | |
1487 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_AUX_CTRL, &Stat2); | |
1488 | Stat3 = 0; | |
1489 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_AUX_STAT, &Stat3); | |
1490 | Stat2 = Stat2 << 16 | Stat3; | |
1491 | CMSMPrintString( | |
1492 | pAC->pConfigTable, | |
1493 | MSG_TYPE_RUNTIME_INFO, | |
1494 | "PHY Ext Ctrl/Stat: %x, Aux Ctrl/Stat: %x", | |
1495 | (void *)Stat1, | |
1496 | (void *)Stat2); | |
1497 | } | |
1498 | #endif /* DEBUG */ | |
1499 | ||
1500 | /* | |
1501 | * Here we usually can check whether the link is in sync and | |
1502 | * auto-negotiation is done. | |
1503 | */ | |
1504 | ||
1505 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_STAT, &PhyStat); | |
1506 | ||
1507 | SkMacAutoNegLipaPhy(pAC, IoC, Port, PhyStat); | |
1508 | ||
1509 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, | |
1510 | ("CheckUp Port %d, PhyStat: 0x%04X\n", Port, PhyStat)); | |
1511 | ||
1512 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_1000T_STAT, &ResAb); | |
1513 | ||
1514 | if ((ResAb & PHY_B_1000S_MSF) != 0) { | |
1515 | /* Error */ | |
1516 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, | |
1517 | ("Master/Slave Fault port %d\n", Port)); | |
1518 | ||
1519 | pPrt->PAutoNegFail = SK_TRUE; | |
1520 | pPrt->PMSStatus = SK_MS_STAT_FAULT; | |
1521 | ||
1522 | return(SK_HW_PS_RESTART); | |
1523 | } | |
1524 | ||
1525 | if ((PhyStat & PHY_ST_LSYNC) == 0) { | |
1526 | return(SK_HW_PS_NONE); | |
1527 | } | |
1528 | ||
1529 | pPrt->PMSStatus = ((ResAb & PHY_B_1000S_MSR) != 0) ? | |
1530 | SK_MS_STAT_MASTER : SK_MS_STAT_SLAVE; | |
1531 | ||
1532 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, | |
1533 | ("Port %d, ResAb: 0x%04X\n", Port, ResAb)); | |
1534 | ||
1535 | if (AutoNeg) { | |
1536 | if ((PhyStat & PHY_ST_AN_OVER) != 0) { | |
1537 | ||
1538 | SkHWLinkUp(pAC, IoC, Port); | |
1539 | ||
1540 | Done = SkMacAutoNegDone(pAC, IoC, Port); | |
1541 | ||
1542 | if (Done != SK_AND_OK) { | |
1543 | #ifdef DEBUG | |
1544 | /* Get PHY parameters, for debugging only */ | |
1545 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_AUNE_LP, &LpAb); | |
1546 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_1000T_STAT, &ExtStat); | |
1547 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, | |
1548 | ("AutoNeg FAIL Port %d (LpAb %x, 1000TStat %x)\n", | |
1549 | Port, LpAb, ExtStat)); | |
1550 | #endif /* DEBUG */ | |
1551 | return(SK_HW_PS_RESTART); | |
1552 | } | |
1553 | else { | |
1554 | #ifdef xDEBUG | |
1555 | /* Dummy read ISR to prevent extra link downs/ups */ | |
1556 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_INT_STAT, &ExtStat); | |
1557 | ||
1558 | if ((ExtStat & ~(PHY_B_IS_HCT | PHY_B_IS_LCT)) != 0) { | |
1559 | CMSMPrintString( | |
1560 | pAC->pConfigTable, | |
1561 | MSG_TYPE_RUNTIME_INFO, | |
1562 | "CheckUp2 - Stat: %x", | |
1563 | (void *)ExtStat, | |
1564 | (void *)NULL); | |
1565 | } | |
1566 | #endif /* DEBUG */ | |
1567 | return(SK_HW_PS_LINK); | |
1568 | } | |
1569 | } | |
1570 | } | |
1571 | else { /* !AutoNeg */ | |
1572 | /* Link is up and we don't need more. */ | |
1573 | #ifdef DEBUG | |
1574 | if (pPrt->PLipaAutoNeg == SK_LIPA_AUTO) { | |
1575 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, | |
1576 | ("ERROR: Lipa auto detected on port %d\n", Port)); | |
1577 | } | |
1578 | #endif /* DEBUG */ | |
1579 | ||
1580 | #ifdef xDEBUG | |
1581 | /* Dummy read ISR to prevent extra link downs/ups */ | |
1582 | SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_INT_STAT, &ExtStat); | |
1583 | ||
1584 | if ((ExtStat & ~(PHY_B_IS_HCT | PHY_B_IS_LCT)) != 0) { | |
1585 | CMSMPrintString( | |
1586 | pAC->pConfigTable, | |
1587 | MSG_TYPE_RUNTIME_INFO, | |
1588 | "CheckUp3 - Stat: %x", | |
1589 | (void *)ExtStat, | |
1590 | (void *)NULL); | |
1591 | } | |
1592 | #endif /* DEBUG */ | |
1593 | ||
1594 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, | |
1595 | ("Link sync(GP), Port %d\n", Port)); | |
1596 | SkHWLinkUp(pAC, IoC, Port); | |
1597 | ||
1598 | return(SK_HW_PS_LINK); | |
1599 | } | |
1600 | ||
1601 | return(SK_HW_PS_NONE); | |
1602 | } /* SkGePortCheckUpBcom */ | |
1603 | #endif /* GENESIS */ | |
1604 | ||
1605 | ||
1606 | #ifdef YUKON | |
1607 | /****************************************************************************** | |
1608 | * | |
1609 | * SkGePortCheckUpGmac() - Check if the link is up on Marvell PHY | |
1610 | * | |
1611 | * return: | |
1612 | * 0 o.k. nothing needed | |
1613 | * 1 Restart needed on this port | |
1614 | * 2 Link came up | |
1615 | */ | |
1616 | static int SkGePortCheckUpGmac( | |
1617 | SK_AC *pAC, /* Adapter Context */ | |
1618 | SK_IOC IoC, /* IO Context */ | |
1619 | int Port, /* Which port should be checked */ | |
1620 | SK_BOOL AutoNeg) /* Is Auto-negotiation used ? */ | |
1621 | { | |
1622 | SK_GEPORT *pPrt; /* GIni Port struct pointer */ | |
1623 | int Done; | |
1624 | SK_U16 PhyIsrc; /* PHY Interrupt source */ | |
1625 | SK_U16 PhyStat; /* PPY Status */ | |
1626 | SK_U16 PhySpecStat;/* PHY Specific Status */ | |
1627 | SK_U16 ResAb; /* Master/Slave resolution */ | |
1628 | SK_EVPARA Para; | |
1629 | #ifdef DEBUG | |
1630 | SK_U16 Word; /* I/O helper */ | |
1631 | #endif /* DEBUG */ | |
1632 | ||
1633 | pPrt = &pAC->GIni.GP[Port]; | |
1634 | ||
1635 | if (pPrt->PHWLinkUp) { | |
1636 | return(SK_HW_PS_NONE); | |
1637 | } | |
1638 | ||
1639 | /* Read PHY Status */ | |
1640 | SkGmPhyRead(pAC, IoC, Port, PHY_MARV_STAT, &PhyStat); | |
1641 | ||
1642 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, | |
1643 | ("CheckUp Port %d, PhyStat: 0x%04X\n", Port, PhyStat)); | |
1644 | ||
1645 | /* Read PHY Interrupt Status */ | |
1646 | SkGmPhyRead(pAC, IoC, Port, PHY_MARV_INT_STAT, &PhyIsrc); | |
1647 | ||
1648 | if ((PhyIsrc & PHY_M_IS_AN_COMPL) != 0) { | |
1649 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, | |
1650 | ("Auto-Negotiation Completed, PhyIsrc: 0x%04X\n", PhyIsrc)); | |
1651 | } | |
1652 | ||
1653 | if ((PhyIsrc & PHY_M_IS_LSP_CHANGE) != 0) { | |
1654 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, | |
1655 | ("Link Speed Changed, PhyIsrc: 0x%04X\n", PhyIsrc)); | |
1656 | } | |
1657 | ||
1658 | SkMacAutoNegLipaPhy(pAC, IoC, Port, PhyStat); | |
1659 | ||
1660 | SkGmPhyRead(pAC, IoC, Port, PHY_MARV_1000T_STAT, &ResAb); | |
1661 | ||
1662 | if ((ResAb & PHY_B_1000S_MSF) != 0) { | |
1663 | /* Error */ | |
1664 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, | |
1665 | ("Master/Slave Fault port %d\n", Port)); | |
1666 | ||
1667 | pPrt->PAutoNegFail = SK_TRUE; | |
1668 | pPrt->PMSStatus = SK_MS_STAT_FAULT; | |
1669 | ||
1670 | return(SK_HW_PS_RESTART); | |
1671 | } | |
1672 | ||
1673 | /* Read PHY Specific Status */ | |
1674 | SkGmPhyRead(pAC, IoC, Port, PHY_MARV_PHY_STAT, &PhySpecStat); | |
1675 | ||
1676 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, | |
1677 | ("Phy1000BT: 0x%04X, PhySpecStat: 0x%04X\n", ResAb, PhySpecStat)); | |
1678 | ||
1679 | #ifdef DEBUG | |
1680 | SkGmPhyRead(pAC, IoC, Port, PHY_MARV_AUNE_EXP, &Word); | |
1681 | ||
1682 | if ((PhyIsrc & PHY_M_IS_AN_PR) != 0 || (Word & PHY_ANE_RX_PG) != 0 || | |
1683 | (PhySpecStat & PHY_M_PS_PAGE_REC) != 0) { | |
1684 | /* Read PHY Next Page Link Partner */ | |
1685 | SkGmPhyRead(pAC, IoC, Port, PHY_MARV_NEPG_LP, &Word); | |
1686 | ||
1687 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, | |
1688 | ("Page Received, NextPage: 0x%04X\n", Word)); | |
1689 | } | |
1690 | #endif /* DEBUG */ | |
1691 | ||
1692 | if ((PhySpecStat & PHY_M_PS_LINK_UP) == 0) { | |
1693 | return(SK_HW_PS_NONE); | |
1694 | } | |
1695 | ||
1696 | if ((PhySpecStat & PHY_M_PS_DOWNS_STAT) != 0 || | |
1697 | (PhyIsrc & PHY_M_IS_DOWNSH_DET) != 0) { | |
1698 | /* Downshift detected */ | |
1699 | SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_SIRQ_E025, SKERR_SIRQ_E025MSG); | |
1700 | ||
1701 | Para.Para64 = Port; | |
1702 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_DOWNSHIFT_DET, Para); | |
1703 | ||
1704 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, | |
1705 | ("Downshift detected, PhyIsrc: 0x%04X\n", PhyIsrc)); | |
1706 | } | |
1707 | ||
1708 | pPrt->PMSStatus = ((ResAb & PHY_B_1000S_MSR) != 0) ? | |
1709 | SK_MS_STAT_MASTER : SK_MS_STAT_SLAVE; | |
1710 | ||
1711 | pPrt->PCableLen = (SK_U8)((PhySpecStat & PHY_M_PS_CABLE_MSK) >> 7); | |
1712 | ||
1713 | if (AutoNeg) { | |
1714 | /* Auto-Negotiation Over ? */ | |
1715 | if ((PhyStat & PHY_ST_AN_OVER) != 0) { | |
1716 | ||
1717 | SkHWLinkUp(pAC, IoC, Port); | |
1718 | ||
1719 | Done = SkMacAutoNegDone(pAC, IoC, Port); | |
1720 | ||
1721 | if (Done != SK_AND_OK) { | |
1722 | return(SK_HW_PS_RESTART); | |
1723 | } | |
1724 | ||
1725 | return(SK_HW_PS_LINK); | |
1726 | } | |
1727 | } | |
1728 | else { /* !AutoNeg */ | |
1729 | /* Link is up and we don't need more */ | |
1730 | #ifdef DEBUG | |
1731 | if (pPrt->PLipaAutoNeg == SK_LIPA_AUTO) { | |
1732 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, | |
1733 | ("ERROR: Lipa auto detected on port %d\n", Port)); | |
1734 | } | |
1735 | #endif /* DEBUG */ | |
1736 | ||
1737 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, | |
1738 | ("Link sync, Port %d\n", Port)); | |
1739 | SkHWLinkUp(pAC, IoC, Port); | |
1740 | ||
1741 | return(SK_HW_PS_LINK); | |
1742 | } | |
1743 | ||
1744 | return(SK_HW_PS_NONE); | |
1745 | } /* SkGePortCheckUpGmac */ | |
1746 | #endif /* YUKON */ | |
1747 | ||
1748 | ||
1749 | #ifdef OTHER_PHY | |
1750 | /****************************************************************************** | |
1751 | * | |
1752 | * SkGePortCheckUpLone() - Check if the link is up on Level One PHY | |
1753 | * | |
1754 | * return: | |
1755 | * 0 o.k. nothing needed | |
1756 | * 1 Restart needed on this port | |
1757 | * 2 Link came up | |
1758 | */ | |
1759 | static int SkGePortCheckUpLone( | |
1760 | SK_AC *pAC, /* Adapter Context */ | |
1761 | SK_IOC IoC, /* IO Context */ | |
1762 | int Port, /* Which port should be checked */ | |
1763 | SK_BOOL AutoNeg) /* Is Auto-negotiation used ? */ | |
1764 | { | |
1765 | SK_GEPORT *pPrt; /* GIni Port struct pointer */ | |
1766 | int Done; | |
1767 | SK_U16 Isrc; /* Interrupt source register */ | |
1768 | SK_U16 LpAb; /* Link Partner Ability */ | |
1769 | SK_U16 ExtStat; /* Extended Status Register */ | |
1770 | SK_U16 PhyStat; /* Phy Status Register */ | |
1771 | SK_U16 StatSum; | |
1772 | SK_U8 NextMode; /* Next AutoSensing Mode */ | |
1773 | ||
1774 | pPrt = &pAC->GIni.GP[Port]; | |
1775 | ||
1776 | if (pPrt->PHWLinkUp) { | |
1777 | return(SK_HW_PS_NONE); | |
1778 | } | |
1779 | ||
1780 | StatSum = pPrt->PIsave; | |
1781 | pPrt->PIsave = 0; | |
1782 | ||
1783 | /* | |
1784 | * here we usually can check whether the link is in sync and | |
1785 | * auto-negotiation is done. | |
1786 | */ | |
1787 | SkXmPhyRead(pAC, IoC, Port, PHY_LONE_STAT, &PhyStat); | |
1788 | StatSum |= PhyStat; | |
1789 | ||
1790 | SkMacAutoNegLipaPhy(pAC, IoC, Port, PhyStat); | |
1791 | ||
1792 | if ((PhyStat & PHY_ST_LSYNC) == 0) { | |
1793 | /* Save Auto-negotiation Done bit */ | |
1794 | pPrt->PIsave = (SK_U16)(StatSum & PHY_ST_AN_OVER); | |
1795 | #ifdef DEBUG | |
1796 | if ((pPrt->PIsave & PHY_ST_AN_OVER) != 0) { | |
1797 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, | |
1798 | ("AutoNeg done rescheduled Port %d\n", Port)); | |
1799 | } | |
1800 | #endif /* DEBUG */ | |
1801 | return(SK_HW_PS_NONE); | |
1802 | } | |
1803 | ||
1804 | if (AutoNeg) { | |
1805 | if ((StatSum & PHY_ST_AN_OVER) != 0) { | |
1806 | SkHWLinkUp(pAC, IoC, Port); | |
1807 | Done = SkMacAutoNegDone(pAC, IoC, Port); | |
1808 | if (Done != SK_AND_OK) { | |
1809 | /* Get PHY parameters, for debugging only */ | |
1810 | SkXmPhyRead(pAC, IoC, Port, PHY_LONE_AUNE_LP, &LpAb); | |
1811 | SkXmPhyRead(pAC, IoC, Port, PHY_LONE_1000T_STAT, &ExtStat); | |
1812 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, | |
1813 | ("AutoNeg FAIL Port %d (LpAb %x, 1000TStat %x)\n", | |
1814 | Port, LpAb, ExtStat)); | |
1815 | ||
1816 | /* Try next possible mode */ | |
1817 | NextMode = SkHWSenseGetNext(pAC, IoC, Port); | |
1818 | SkHWLinkDown(pAC, IoC, Port); | |
1819 | if (Done == SK_AND_DUP_CAP) { | |
1820 | /* GoTo next mode */ | |
1821 | SkHWSenseSetNext(pAC, IoC, Port, NextMode); | |
1822 | } | |
1823 | ||
1824 | return(SK_HW_PS_RESTART); | |
1825 | ||
1826 | } | |
1827 | else { | |
1828 | /* | |
1829 | * Dummy Read interrupt status to prevent | |
1830 | * extra link down/ups | |
1831 | */ | |
1832 | SkXmPhyRead(pAC, IoC, Port, PHY_LONE_INT_STAT, &ExtStat); | |
1833 | return(SK_HW_PS_LINK); | |
1834 | } | |
1835 | } | |
1836 | ||
1837 | /* AutoNeg not done, but HW link is up. Check for timeouts */ | |
1838 | pPrt->PAutoNegTimeOut++; | |
1839 | if (pPrt->PAutoNegTimeOut >= SK_AND_MAX_TO) { | |
1840 | /* Timeout occured */ | |
1841 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, | |
1842 | ("AutoNeg timeout Port %d\n", Port)); | |
1843 | if (pPrt->PLinkModeConf == SK_LMODE_AUTOSENSE && | |
1844 | pPrt->PLipaAutoNeg != SK_LIPA_AUTO) { | |
1845 | /* Set Link manually up */ | |
1846 | SkHWSenseSetNext(pAC, IoC, Port, SK_LMODE_FULL); | |
1847 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, | |
1848 | ("Set manual full duplex Port %d\n", Port)); | |
1849 | } | |
1850 | ||
1851 | /* Do the restart */ | |
1852 | return(SK_HW_PS_RESTART); | |
1853 | } | |
1854 | } | |
1855 | else { | |
1856 | /* Link is up and we don't need more */ | |
1857 | #ifdef DEBUG | |
1858 | if (pPrt->PLipaAutoNeg == SK_LIPA_AUTO) { | |
1859 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, | |
1860 | ("ERROR: Lipa auto detected on port %d\n", Port)); | |
1861 | } | |
1862 | #endif /* DEBUG */ | |
1863 | ||
1864 | /* | |
1865 | * Dummy Read interrupt status to prevent | |
1866 | * extra link down/ups | |
1867 | */ | |
1868 | SkXmPhyRead(pAC, IoC, Port, PHY_LONE_INT_STAT, &ExtStat); | |
1869 | ||
1870 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_IRQ, | |
1871 | ("Link sync(GP), Port %d\n", Port)); | |
1872 | SkHWLinkUp(pAC, IoC, Port); | |
1873 | ||
1874 | return(SK_HW_PS_LINK); | |
1875 | } | |
1876 | ||
1877 | return(SK_HW_PS_NONE); | |
1878 | } /* SkGePortCheckUpLone */ | |
1879 | ||
1880 | ||
1881 | /****************************************************************************** | |
1882 | * | |
1883 | * SkGePortCheckUpNat() - Check if the link is up on National PHY | |
1884 | * | |
1885 | * return: | |
1886 | * 0 o.k. nothing needed | |
1887 | * 1 Restart needed on this port | |
1888 | * 2 Link came up | |
1889 | */ | |
1890 | static int SkGePortCheckUpNat( | |
1891 | SK_AC *pAC, /* Adapter Context */ | |
1892 | SK_IOC IoC, /* IO Context */ | |
1893 | int Port, /* Which port should be checked */ | |
1894 | SK_BOOL AutoNeg) /* Is Auto-negotiation used ? */ | |
1895 | { | |
1896 | /* todo: National */ | |
1897 | return(SK_HW_PS_NONE); | |
1898 | } /* SkGePortCheckUpNat */ | |
1899 | #endif /* OTHER_PHY */ | |
1900 | ||
1901 | ||
1902 | /****************************************************************************** | |
1903 | * | |
1904 | * SkGeSirqEvent() - Event Service Routine | |
1905 | * | |
1906 | * Description: | |
1907 | * | |
1908 | * Notes: | |
1909 | */ | |
1910 | int SkGeSirqEvent( | |
1911 | SK_AC *pAC, /* Adapter Context */ | |
1912 | SK_IOC IoC, /* Io Context */ | |
1913 | SK_U32 Event, /* Module specific Event */ | |
1914 | SK_EVPARA Para) /* Event specific Parameter */ | |
1915 | { | |
1916 | SK_GEPORT *pPrt; /* GIni Port struct pointer */ | |
1917 | SK_U32 Port; | |
1918 | SK_U32 Val32; | |
1919 | int PortStat; | |
1920 | SK_U8 Val8; | |
1921 | #ifdef GENESIS | |
1922 | SK_U64 Octets; | |
1923 | #endif /* GENESIS */ | |
1924 | ||
1925 | Port = Para.Para32[0]; | |
1926 | pPrt = &pAC->GIni.GP[Port]; | |
1927 | ||
1928 | switch (Event) { | |
1929 | case SK_HWEV_WATIM: | |
1930 | if (pPrt->PState == SK_PRT_RESET) { | |
1931 | ||
1932 | PortStat = SK_HW_PS_NONE; | |
1933 | } | |
1934 | else { | |
1935 | /* Check whether port came up */ | |
1936 | PortStat = SkGePortCheckUp(pAC, IoC, (int)Port); | |
1937 | } | |
1938 | ||
1939 | switch (PortStat) { | |
1940 | case SK_HW_PS_RESTART: | |
1941 | if (pPrt->PHWLinkUp) { | |
1942 | /* Set Link to down */ | |
1943 | SkHWLinkDown(pAC, IoC, (int)Port); | |
1944 | ||
1945 | /* | |
1946 | * Signal directly to RLMT to ensure correct | |
1947 | * sequence of SWITCH and RESET event. | |
1948 | */ | |
1949 | SkRlmtEvent(pAC, IoC, SK_RLMT_LINK_DOWN, Para); | |
1950 | } | |
1951 | ||
1952 | /* Restart needed */ | |
1953 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_PORT_RESET, Para); | |
1954 | break; | |
1955 | ||
1956 | case SK_HW_PS_LINK: | |
1957 | /* Signal to RLMT */ | |
1958 | SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_LINK_UP, Para); | |
1959 | break; | |
1960 | } | |
1961 | ||
1962 | /* Start again the check Timer */ | |
1963 | if (pPrt->PHWLinkUp) { | |
1964 | Val32 = SK_WA_ACT_TIME; | |
1965 | } | |
1966 | else { | |
1967 | Val32 = SK_WA_INA_TIME; | |
1968 | } | |
1969 | ||
1970 | /* Todo: still needed for non-XMAC PHYs??? */ | |
1971 | /* Start workaround Errata #2 timer */ | |
1972 | SkTimerStart(pAC, IoC, &pPrt->PWaTimer, Val32, | |
1973 | SKGE_HWAC, SK_HWEV_WATIM, Para); | |
1974 | break; | |
1975 | ||
1976 | case SK_HWEV_PORT_START: | |
1977 | if (pPrt->PHWLinkUp) { | |
1978 | /* | |
1979 | * Signal directly to RLMT to ensure correct | |
1980 | * sequence of SWITCH and RESET event. | |
1981 | */ | |
1982 | SkRlmtEvent(pAC, IoC, SK_RLMT_LINK_DOWN, Para); | |
1983 | } | |
1984 | ||
1985 | SkHWLinkDown(pAC, IoC, (int)Port); | |
1986 | ||
1987 | /* Schedule Port RESET */ | |
1988 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_PORT_RESET, Para); | |
1989 | ||
1990 | /* Start workaround Errata #2 timer */ | |
1991 | SkTimerStart(pAC, IoC, &pPrt->PWaTimer, SK_WA_INA_TIME, | |
1992 | SKGE_HWAC, SK_HWEV_WATIM, Para); | |
1993 | break; | |
1994 | ||
1995 | case SK_HWEV_PORT_STOP: | |
1996 | if (pPrt->PHWLinkUp) { | |
1997 | /* | |
1998 | * Signal directly to RLMT to ensure correct | |
1999 | * sequence of SWITCH and RESET event. | |
2000 | */ | |
2001 | SkRlmtEvent(pAC, IoC, SK_RLMT_LINK_DOWN, Para); | |
2002 | } | |
2003 | ||
2004 | /* Stop Workaround Timer */ | |
2005 | SkTimerStop(pAC, IoC, &pPrt->PWaTimer); | |
2006 | ||
2007 | SkHWLinkDown(pAC, IoC, (int)Port); | |
2008 | break; | |
2009 | ||
2010 | case SK_HWEV_UPDATE_STAT: | |
2011 | /* We do NOT need to update any statistics */ | |
2012 | break; | |
2013 | ||
2014 | case SK_HWEV_CLEAR_STAT: | |
2015 | /* We do NOT need to clear any statistics */ | |
2016 | for (Port = 0; Port < (SK_U32)pAC->GIni.GIMacsFound; Port++) { | |
2017 | pPrt->PPrevRx = 0; | |
2018 | pPrt->PPrevFcs = 0; | |
2019 | pPrt->PPrevShorts = 0; | |
2020 | } | |
2021 | break; | |
2022 | ||
2023 | case SK_HWEV_SET_LMODE: | |
2024 | Val8 = (SK_U8)Para.Para32[1]; | |
2025 | if (pPrt->PLinkModeConf != Val8) { | |
2026 | /* Set New link mode */ | |
2027 | pPrt->PLinkModeConf = Val8; | |
2028 | ||
2029 | /* Restart Port */ | |
2030 | SkEventQueue(pAC, SKGE_HWAC, SK_HWEV_PORT_STOP, Para); | |
2031 | SkEventQueue(pAC, SKGE_HWAC, SK_HWEV_PORT_START, Para); | |
2032 | } | |
2033 | break; | |
2034 | ||
2035 | case SK_HWEV_SET_FLOWMODE: | |
2036 | Val8 = (SK_U8)Para.Para32[1]; | |
2037 | if (pPrt->PFlowCtrlMode != Val8) { | |
2038 | /* Set New Flow Control mode */ | |
2039 | pPrt->PFlowCtrlMode = Val8; | |
2040 | ||
2041 | /* Restart Port */ | |
2042 | SkEventQueue(pAC, SKGE_HWAC, SK_HWEV_PORT_STOP, Para); | |
2043 | SkEventQueue(pAC, SKGE_HWAC, SK_HWEV_PORT_START, Para); | |
2044 | } | |
2045 | break; | |
2046 | ||
2047 | case SK_HWEV_SET_ROLE: | |
2048 | /* not possible for fiber */ | |
2049 | if (!pAC->GIni.GICopperType) { | |
2050 | break; | |
2051 | } | |
2052 | Val8 = (SK_U8)Para.Para32[1]; | |
2053 | if (pPrt->PMSMode != Val8) { | |
2054 | /* Set New Role (Master/Slave) mode */ | |
2055 | pPrt->PMSMode = Val8; | |
2056 | ||
2057 | /* Restart Port */ | |
2058 | SkEventQueue(pAC, SKGE_HWAC, SK_HWEV_PORT_STOP, Para); | |
2059 | SkEventQueue(pAC, SKGE_HWAC, SK_HWEV_PORT_START, Para); | |
2060 | } | |
2061 | break; | |
2062 | ||
2063 | case SK_HWEV_SET_SPEED: | |
2064 | if (pPrt->PhyType != SK_PHY_MARV_COPPER) { | |
2065 | break; | |
2066 | } | |
2067 | Val8 = (SK_U8)Para.Para32[1]; | |
2068 | if (pPrt->PLinkSpeed != Val8) { | |
2069 | /* Set New Speed parameter */ | |
2070 | pPrt->PLinkSpeed = Val8; | |
2071 | ||
2072 | /* Restart Port */ | |
2073 | SkEventQueue(pAC, SKGE_HWAC, SK_HWEV_PORT_STOP, Para); | |
2074 | SkEventQueue(pAC, SKGE_HWAC, SK_HWEV_PORT_START, Para); | |
2075 | } | |
2076 | break; | |
2077 | ||
2078 | #ifdef GENESIS | |
2079 | case SK_HWEV_HALFDUP_CHK: | |
2080 | if (pAC->GIni.GIGenesis) { | |
2081 | /* | |
2082 | * half duplex hangup workaround. | |
2083 | * See packet arbiter timeout interrupt for description | |
2084 | */ | |
2085 | pPrt->HalfDupTimerActive = SK_FALSE; | |
2086 | if (pPrt->PLinkModeStatus == SK_LMODE_STAT_HALF || | |
2087 | pPrt->PLinkModeStatus == SK_LMODE_STAT_AUTOHALF) { | |
2088 | #ifdef XXX | |
2089 | Len = sizeof(SK_U64); | |
2090 | SkPnmiGetVar(pAC, IoC, OID_SKGE_STAT_TX_OCTETS, (char *)&Octets, | |
2091 | &Len, (SK_U32)SK_PNMI_PORT_PHYS2INST(pAC, Port), | |
2092 | pAC->Rlmt.Port[Port].Net->NetNumber); | |
2093 | #endif /* XXX */ | |
2094 | /* Snap statistic counters */ | |
2095 | (void)SkXmUpdateStats(pAC, IoC, Port); | |
2096 | ||
2097 | (void)SkXmMacStatistic(pAC, IoC, Port, XM_TXO_OK_HI, &Val32); | |
2098 | ||
2099 | Octets = (SK_U64)Val32 << 32; | |
2100 | ||
2101 | (void)SkXmMacStatistic(pAC, IoC, Port, XM_TXO_OK_LO, &Val32); | |
2102 | ||
2103 | Octets += Val32; | |
2104 | ||
2105 | if (pPrt->LastOctets == Octets) { | |
2106 | /* Tx hanging, a FIFO flush restarts it */ | |
2107 | SkMacFlushTxFifo(pAC, IoC, Port); | |
2108 | } | |
2109 | } | |
2110 | } | |
2111 | break; | |
2112 | #endif /* GENESIS */ | |
2113 | ||
2114 | default: | |
2115 | SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_SIRQ_E001, SKERR_SIRQ_E001MSG); | |
2116 | break; | |
2117 | } | |
2118 | ||
2119 | return(0); | |
2120 | } /* SkGeSirqEvent */ | |
2121 | ||
2122 | ||
2123 | #ifdef GENESIS | |
2124 | /****************************************************************************** | |
2125 | * | |
2126 | * SkPhyIsrBcom() - PHY interrupt service routine | |
2127 | * | |
2128 | * Description: handles all interrupts from BCom PHY | |
2129 | * | |
2130 | * Returns: N/A | |
2131 | */ | |
2132 | static void SkPhyIsrBcom( | |
2133 | SK_AC *pAC, /* Adapter Context */ | |
2134 | SK_IOC IoC, /* Io Context */ | |
2135 | int Port, /* Port Num = PHY Num */ | |
2136 | SK_U16 IStatus) /* Interrupt Status */ | |
2137 | { | |
2138 | SK_GEPORT *pPrt; /* GIni Port struct pointer */ | |
2139 | SK_EVPARA Para; | |
2140 | ||
2141 | pPrt = &pAC->GIni.GP[Port]; | |
2142 | ||
2143 | if ((IStatus & PHY_B_IS_PSE) != 0) { | |
2144 | /* Incorrectable pair swap error */ | |
2145 | SK_ERR_LOG(pAC, SK_ERRCL_HW | SK_ERRCL_INIT, SKERR_SIRQ_E022, | |
2146 | SKERR_SIRQ_E022MSG); | |
2147 | } | |
2148 | ||
2149 | if ((IStatus & (PHY_B_IS_AN_PR | PHY_B_IS_LST_CHANGE)) != 0) { | |
2150 | ||
2151 | SkHWLinkDown(pAC, IoC, Port); | |
2152 | ||
2153 | Para.Para32[0] = (SK_U32)Port; | |
2154 | /* Signal to RLMT */ | |
2155 | SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_LINK_DOWN, Para); | |
2156 | ||
2157 | /* Start workaround Errata #2 timer */ | |
2158 | SkTimerStart(pAC, IoC, &pPrt->PWaTimer, SK_WA_INA_TIME, | |
2159 | SKGE_HWAC, SK_HWEV_WATIM, Para); | |
2160 | } | |
2161 | ||
2162 | } /* SkPhyIsrBcom */ | |
2163 | #endif /* GENESIS */ | |
2164 | ||
2165 | ||
2166 | #ifdef YUKON | |
2167 | /****************************************************************************** | |
2168 | * | |
2169 | * SkPhyIsrGmac() - PHY interrupt service routine | |
2170 | * | |
2171 | * Description: handles all interrupts from Marvell PHY | |
2172 | * | |
2173 | * Returns: N/A | |
2174 | */ | |
2175 | static void SkPhyIsrGmac( | |
2176 | SK_AC *pAC, /* Adapter Context */ | |
2177 | SK_IOC IoC, /* Io Context */ | |
2178 | int Port, /* Port Num = PHY Num */ | |
2179 | SK_U16 IStatus) /* Interrupt Status */ | |
2180 | { | |
2181 | SK_GEPORT *pPrt; /* GIni Port struct pointer */ | |
2182 | SK_EVPARA Para; | |
2183 | SK_U16 Word; | |
2184 | ||
2185 | pPrt = &pAC->GIni.GP[Port]; | |
2186 | ||
2187 | if ((IStatus & (PHY_M_IS_AN_PR | PHY_M_IS_LST_CHANGE)) != 0) { | |
2188 | ||
2189 | SkHWLinkDown(pAC, IoC, Port); | |
2190 | ||
2191 | SkGmPhyRead(pAC, IoC, Port, PHY_MARV_AUNE_ADV, &Word); | |
2192 | ||
2193 | SK_DBG_MSG(pAC, SK_DBGMOD_HWM, SK_DBGCAT_CTRL, | |
2194 | ("AutoNeg.Adv: 0x%04X\n", Word)); | |
2195 | ||
2196 | /* Set Auto-negotiation advertisement */ | |
2197 | if (pPrt->PFlowCtrlMode == SK_FLOW_MODE_SYM_OR_REM) { | |
2198 | /* restore Asymmetric Pause bit */ | |
2199 | SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_AUNE_ADV, | |
2200 | (SK_U16)(Word | PHY_M_AN_ASP)); | |
2201 | } | |
2202 | ||
2203 | Para.Para32[0] = (SK_U32)Port; | |
2204 | /* Signal to RLMT */ | |
2205 | SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_LINK_DOWN, Para); | |
2206 | } | |
2207 | ||
2208 | if ((IStatus & PHY_M_IS_AN_ERROR) != 0) { | |
2209 | /* Auto-Negotiation Error */ | |
2210 | SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_SIRQ_E023, SKERR_SIRQ_E023MSG); | |
2211 | } | |
2212 | ||
2213 | if ((IStatus & PHY_M_IS_FIFO_ERROR) != 0) { | |
2214 | /* FIFO Overflow/Underrun Error */ | |
2215 | SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_SIRQ_E024, SKERR_SIRQ_E024MSG); | |
2216 | } | |
2217 | ||
2218 | } /* SkPhyIsrGmac */ | |
2219 | #endif /* YUKON */ | |
2220 | ||
2221 | ||
2222 | #ifdef OTHER_PHY | |
2223 | /****************************************************************************** | |
2224 | * | |
2225 | * SkPhyIsrLone() - PHY interrupt service routine | |
2226 | * | |
2227 | * Description: handles all interrupts from LONE PHY | |
2228 | * | |
2229 | * Returns: N/A | |
2230 | */ | |
2231 | static void SkPhyIsrLone( | |
2232 | SK_AC *pAC, /* Adapter Context */ | |
2233 | SK_IOC IoC, /* Io Context */ | |
2234 | int Port, /* Port Num = PHY Num */ | |
2235 | SK_U16 IStatus) /* Interrupt Status */ | |
2236 | { | |
2237 | SK_EVPARA Para; | |
2238 | ||
2239 | if (IStatus & (PHY_L_IS_DUP | PHY_L_IS_ISOL)) { | |
2240 | ||
2241 | SkHWLinkDown(pAC, IoC, Port); | |
2242 | ||
2243 | Para.Para32[0] = (SK_U32)Port; | |
2244 | /* Signal to RLMT */ | |
2245 | SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_LINK_DOWN, Para); | |
2246 | } | |
2247 | ||
2248 | } /* SkPhyIsrLone */ | |
2249 | #endif /* OTHER_PHY */ | |
2250 | ||
2251 | /* End of File */ |