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ffa5008a | 1 | /** @file\r |
2 | Provides basic function upon network adapter card.\r | |
40834173 | 3 | \r |
b61439a7 | 4 | Copyright (c) 2006, Intel Corporation\r |
5 | All rights reserved. This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
40834173 | 12 | \r |
ffa5008a | 13 | **/\r |
40834173 | 14 | \r |
15 | #include "Undi32.h"\r | |
16 | \r | |
17 | static UINT8 basic_config_cmd[22] = {\r | |
18 | 22, 0x08,\r | |
19 | 0, 0,\r | |
20 | 0, (UINT8)0x80,\r | |
21 | 0x32, 0x03,\r | |
22 | 1, 0,\r | |
23 | 0x2E, 0,\r | |
24 | 0x60, 0,\r | |
25 | (UINT8)0xf2, 0x48,\r | |
26 | 0, 0x40,\r | |
b61439a7 | 27 | (UINT8)0xf2, (UINT8)0x80, // 0x40=Force full-duplex\r |
40834173 | 28 | 0x3f, 0x05,\r |
29 | };\r | |
30 | \r | |
31 | //\r | |
32 | // How to wait for the command unit to accept a command.\r | |
33 | // Typically this takes 0 ticks.\r | |
34 | //\r | |
35 | #define wait_for_cmd_done(cmd_ioaddr) \\r | |
36 | { \\r | |
37 | INT16 wait_count = 2000; \\r | |
38 | while ((InByte (AdapterInfo, cmd_ioaddr) != 0) && --wait_count >= 0) \\r | |
39 | DelayIt (AdapterInfo, 10); \\r | |
40 | if (wait_count == 0) \\r | |
41 | DelayIt (AdapterInfo, 50); \\r | |
42 | }\r | |
43 | \r | |
40834173 | 44 | \r |
ffa5008a | 45 | /**\r |
40834173 | 46 | This function calls the MemIo callback to read a byte from the device's\r |
47 | address space\r | |
48 | Since UNDI3.0 uses the TmpMemIo function (instead of the callback routine)\r | |
b61439a7 | 49 | which also takes the UniqueId parameter (as in UNDI3.1 spec) we don't have\r |
40834173 | 50 | to make undi3.0 a special case\r |
b61439a7 | 51 | \r |
ffa5008a | 52 | @param Port Which port to read from.\r |
40834173 | 53 | \r |
ffa5008a | 54 | @retval Results The data read from the port.\r |
40834173 | 55 | \r |
ffa5008a | 56 | **/\r |
40834173 | 57 | // TODO: AdapterInfo - add argument and description to function comment\r |
ffa5008a | 58 | UINT8\r |
59 | InByte (\r | |
60 | IN NIC_DATA_INSTANCE *AdapterInfo,\r | |
61 | IN UINT32 Port\r | |
62 | )\r | |
40834173 | 63 | {\r |
64 | UINT8 Results;\r | |
65 | \r | |
66 | (*AdapterInfo->Mem_Io) (\r | |
b61439a7 | 67 | AdapterInfo->Unique_ID,\r |
68 | PXE_MEM_READ,\r | |
69 | 1,\r | |
40834173 | 70 | (UINT64)Port,\r |
71 | (UINT64) (UINTN) &Results\r | |
72 | );\r | |
73 | return Results;\r | |
74 | }\r | |
75 | \r | |
40834173 | 76 | \r |
ffa5008a | 77 | /**\r |
40834173 | 78 | This function calls the MemIo callback to read a word from the device's\r |
79 | address space\r | |
80 | Since UNDI3.0 uses the TmpMemIo function (instead of the callback routine)\r | |
b61439a7 | 81 | which also takes the UniqueId parameter (as in UNDI3.1 spec) we don't have\r |
40834173 | 82 | to make undi3.0 a special case\r |
83 | \r | |
ffa5008a | 84 | @param Port Which port to read from.\r |
40834173 | 85 | \r |
ffa5008a | 86 | @retval Results The data read from the port.\r |
40834173 | 87 | \r |
ffa5008a | 88 | **/\r |
40834173 | 89 | // TODO: AdapterInfo - add argument and description to function comment\r |
ffa5008a | 90 | UINT16\r |
91 | InWord (\r | |
92 | IN NIC_DATA_INSTANCE *AdapterInfo,\r | |
93 | IN UINT32 Port\r | |
94 | )\r | |
40834173 | 95 | {\r |
96 | UINT16 Results;\r | |
97 | \r | |
98 | (*AdapterInfo->Mem_Io) (\r | |
99 | AdapterInfo->Unique_ID,\r | |
100 | PXE_MEM_READ,\r | |
101 | 2,\r | |
102 | (UINT64)Port,\r | |
103 | (UINT64)(UINTN)&Results\r | |
104 | );\r | |
105 | return Results;\r | |
106 | }\r | |
107 | \r | |
40834173 | 108 | \r |
ffa5008a | 109 | /**\r |
40834173 | 110 | This function calls the MemIo callback to read a dword from the device's\r |
111 | address space\r | |
112 | Since UNDI3.0 uses the TmpMemIo function (instead of the callback routine)\r | |
b61439a7 | 113 | which also takes the UniqueId parameter (as in UNDI3.1 spec) we don't have\r |
40834173 | 114 | to make undi3.0 a special case\r |
115 | \r | |
ffa5008a | 116 | @param Port Which port to read from.\r |
40834173 | 117 | \r |
ffa5008a | 118 | @retval Results The data read from the port.\r |
40834173 | 119 | \r |
ffa5008a | 120 | **/\r |
40834173 | 121 | // TODO: AdapterInfo - add argument and description to function comment\r |
ffa5008a | 122 | UINT32\r |
123 | InLong (\r | |
124 | IN NIC_DATA_INSTANCE *AdapterInfo,\r | |
125 | IN UINT32 Port\r | |
126 | )\r | |
40834173 | 127 | {\r |
128 | UINT32 Results;\r | |
129 | \r | |
130 | (*AdapterInfo->Mem_Io) (\r | |
131 | AdapterInfo->Unique_ID,\r | |
132 | PXE_MEM_READ,\r | |
133 | 4,\r | |
134 | (UINT64)Port,\r | |
135 | (UINT64)(UINTN)&Results\r | |
136 | );\r | |
137 | return Results;\r | |
138 | }\r | |
139 | \r | |
40834173 | 140 | \r |
ffa5008a | 141 | /**\r |
40834173 | 142 | This function calls the MemIo callback to write a byte from the device's\r |
143 | address space\r | |
144 | Since UNDI3.0 uses the TmpMemIo function (instead of the callback routine)\r | |
b61439a7 | 145 | which also takes the UniqueId parameter (as in UNDI3.1 spec) we don't have\r |
40834173 | 146 | to make undi3.0 a special case\r |
147 | \r | |
ffa5008a | 148 | @param Data Data to write to Port.\r |
149 | @param Port Which port to write to.\r | |
40834173 | 150 | \r |
ffa5008a | 151 | @return none\r |
40834173 | 152 | \r |
ffa5008a | 153 | **/\r |
40834173 | 154 | // TODO: AdapterInfo - add argument and description to function comment\r |
ffa5008a | 155 | VOID\r |
156 | OutByte (\r | |
157 | IN NIC_DATA_INSTANCE *AdapterInfo,\r | |
158 | IN UINT8 Data,\r | |
159 | IN UINT32 Port\r | |
160 | )\r | |
40834173 | 161 | {\r |
162 | UINT8 Val;\r | |
163 | \r | |
164 | Val = Data;\r | |
165 | (*AdapterInfo->Mem_Io) (\r | |
166 | AdapterInfo->Unique_ID,\r | |
167 | PXE_MEM_WRITE,\r | |
168 | 1,\r | |
169 | (UINT64)Port,\r | |
170 | (UINT64)(UINTN)(UINTN)&Val\r | |
171 | );\r | |
172 | return ;\r | |
173 | }\r | |
174 | \r | |
40834173 | 175 | \r |
ffa5008a | 176 | /**\r |
40834173 | 177 | This function calls the MemIo callback to write a word from the device's\r |
178 | address space\r | |
179 | Since UNDI3.0 uses the TmpMemIo function (instead of the callback routine)\r | |
b61439a7 | 180 | which also takes the UniqueId parameter (as in UNDI3.1 spec) we don't have\r |
40834173 | 181 | to make undi3.0 a special case\r |
182 | \r | |
ffa5008a | 183 | @param Data Data to write to Port.\r |
184 | @param Port Which port to write to.\r | |
40834173 | 185 | \r |
ffa5008a | 186 | @return none\r |
40834173 | 187 | \r |
ffa5008a | 188 | **/\r |
40834173 | 189 | // TODO: AdapterInfo - add argument and description to function comment\r |
ffa5008a | 190 | VOID\r |
191 | OutWord (\r | |
192 | IN NIC_DATA_INSTANCE *AdapterInfo,\r | |
193 | IN UINT16 Data,\r | |
194 | IN UINT32 Port\r | |
195 | )\r | |
40834173 | 196 | {\r |
197 | UINT16 Val;\r | |
198 | \r | |
199 | Val = Data;\r | |
200 | (*AdapterInfo->Mem_Io) (\r | |
201 | AdapterInfo->Unique_ID,\r | |
202 | PXE_MEM_WRITE,\r | |
203 | 2,\r | |
204 | (UINT64)Port,\r | |
205 | (UINT64)(UINTN)&Val\r | |
206 | );\r | |
207 | return ;\r | |
208 | }\r | |
209 | \r | |
40834173 | 210 | \r |
ffa5008a | 211 | /**\r |
40834173 | 212 | This function calls the MemIo callback to write a dword from the device's\r |
213 | address space\r | |
214 | Since UNDI3.0 uses the TmpMemIo function (instead of the callback routine)\r | |
b61439a7 | 215 | which also takes the UniqueId parameter (as in UNDI3.1 spec) we don't have\r |
40834173 | 216 | to make undi3.0 a special case\r |
217 | \r | |
ffa5008a | 218 | @param Data Data to write to Port.\r |
219 | @param Port Which port to write to.\r | |
40834173 | 220 | \r |
ffa5008a | 221 | @return none\r |
40834173 | 222 | \r |
ffa5008a | 223 | **/\r |
40834173 | 224 | // TODO: AdapterInfo - add argument and description to function comment\r |
ffa5008a | 225 | VOID\r |
226 | OutLong (\r | |
227 | IN NIC_DATA_INSTANCE *AdapterInfo,\r | |
228 | IN UINT32 Data,\r | |
229 | IN UINT32 Port\r | |
230 | )\r | |
40834173 | 231 | {\r |
232 | UINT32 Val;\r | |
233 | \r | |
234 | Val = Data;\r | |
235 | (*AdapterInfo->Mem_Io) (\r | |
236 | AdapterInfo->Unique_ID,\r | |
237 | PXE_MEM_WRITE,\r | |
238 | 4,\r | |
239 | (UINT64)Port,\r | |
240 | (UINT64)(UINTN)&Val\r | |
241 | );\r | |
242 | return ;\r | |
243 | }\r | |
244 | \r | |
ffa5008a | 245 | \r |
246 | /**\r | |
247 | TODO: Add function description\r | |
248 | \r | |
249 | @param AdapterInfo TODO: add argument description\r | |
250 | @param MemAddr TODO: add argument description\r | |
251 | @param Size TODO: add argument description\r | |
252 | @param Direction TODO: add argument description\r | |
253 | @param MappedAddr TODO: add argument description\r | |
254 | \r | |
255 | @return TODO: add return values\r | |
256 | \r | |
257 | **/\r | |
40834173 | 258 | STATIC\r |
259 | UINTN\r | |
260 | MapIt (\r | |
261 | IN NIC_DATA_INSTANCE *AdapterInfo,\r | |
262 | IN UINT64 MemAddr,\r | |
263 | IN UINT32 Size,\r | |
264 | IN UINT32 Direction,\r | |
265 | OUT UINT64 MappedAddr\r | |
266 | )\r | |
40834173 | 267 | {\r |
268 | UINT64 *PhyAddr;\r | |
269 | \r | |
270 | PhyAddr = (UINT64 *) (UINTN) MappedAddr;\r | |
271 | //\r | |
272 | // mapping is different for theold and new NII protocols\r | |
273 | //\r | |
274 | if (AdapterInfo->VersionFlag == 0x30) {\r | |
275 | if (AdapterInfo->Virt2Phys_30 == (VOID *) NULL) {\r | |
276 | *PhyAddr = (UINT64) AdapterInfo->MemoryPtr;\r | |
277 | } else {\r | |
278 | (*AdapterInfo->Virt2Phys_30) (MemAddr, (UINT64) (UINTN) PhyAddr);\r | |
279 | }\r | |
280 | \r | |
281 | if (*PhyAddr > FOUR_GIGABYTE) {\r | |
282 | return PXE_STATCODE_INVALID_PARAMETER;\r | |
283 | }\r | |
284 | } else {\r | |
285 | if (AdapterInfo->Map_Mem == (VOID *) NULL) {\r | |
286 | //\r | |
287 | // this UNDI cannot handle addresses beyond 4 GB without a map routine\r | |
288 | //\r | |
289 | if (MemAddr > FOUR_GIGABYTE) {\r | |
290 | return PXE_STATCODE_INVALID_PARAMETER;\r | |
291 | } else {\r | |
292 | *PhyAddr = MemAddr;\r | |
293 | }\r | |
294 | } else {\r | |
295 | (*AdapterInfo->Map_Mem) (\r | |
296 | AdapterInfo->Unique_ID,\r | |
297 | MemAddr,\r | |
298 | Size,\r | |
299 | Direction,\r | |
300 | MappedAddr\r | |
301 | );\r | |
302 | }\r | |
303 | }\r | |
304 | \r | |
305 | return PXE_STATCODE_SUCCESS;\r | |
306 | }\r | |
307 | \r | |
ffa5008a | 308 | \r |
309 | /**\r | |
310 | TODO: Add function description\r | |
311 | \r | |
312 | @param AdapterInfo TODO: add argument description\r | |
313 | @param MemAddr TODO: add argument description\r | |
314 | @param Size TODO: add argument description\r | |
315 | @param Direction TODO: add argument description\r | |
316 | @param MappedAddr TODO: add argument description\r | |
317 | \r | |
318 | @return TODO: add return values\r | |
319 | \r | |
320 | **/\r | |
40834173 | 321 | STATIC\r |
322 | VOID\r | |
323 | UnMapIt (\r | |
324 | IN NIC_DATA_INSTANCE *AdapterInfo,\r | |
325 | IN UINT64 MemAddr,\r | |
326 | IN UINT32 Size,\r | |
327 | IN UINT32 Direction,\r | |
328 | IN UINT64 MappedAddr\r | |
329 | )\r | |
40834173 | 330 | {\r |
331 | if (AdapterInfo->VersionFlag > 0x30) {\r | |
332 | //\r | |
333 | // no mapping service\r | |
334 | //\r | |
335 | if (AdapterInfo->UnMap_Mem != (VOID *) NULL) {\r | |
336 | (*AdapterInfo->UnMap_Mem) (\r | |
337 | AdapterInfo->Unique_ID,\r | |
338 | MemAddr,\r | |
339 | Size,\r | |
340 | Direction,\r | |
341 | MappedAddr\r | |
342 | );\r | |
343 | \r | |
344 | }\r | |
345 | }\r | |
346 | \r | |
347 | return ;\r | |
348 | }\r | |
349 | \r | |
ffa5008a | 350 | \r |
351 | /**\r | |
352 | \r | |
353 | @param AdapterInfo Pointer to the NIC data structure\r | |
354 | information which the UNDI driver is\r | |
355 | layering on..\r | |
356 | \r | |
357 | \r | |
358 | **/\r | |
359 | // TODO: MicroSeconds - add argument and description to function comment\r | |
40834173 | 360 | STATIC\r |
361 | VOID\r | |
362 | DelayIt (\r | |
363 | IN NIC_DATA_INSTANCE *AdapterInfo,\r | |
364 | UINT16 MicroSeconds\r | |
365 | )\r | |
40834173 | 366 | {\r |
367 | if (AdapterInfo->VersionFlag == 0x30) {\r | |
368 | (*AdapterInfo->Delay_30) (MicroSeconds);\r | |
369 | } else {\r | |
370 | (*AdapterInfo->Delay) (AdapterInfo->Unique_ID, MicroSeconds);\r | |
371 | }\r | |
372 | }\r | |
373 | \r | |
ffa5008a | 374 | \r |
375 | /**\r | |
376 | \r | |
377 | @param AdapterInfo Pointer to the NIC data structure\r | |
378 | information which the UNDI driver is\r | |
379 | layering on..\r | |
380 | \r | |
381 | \r | |
382 | **/\r | |
383 | // TODO: flag - add argument and description to function comment\r | |
40834173 | 384 | STATIC\r |
385 | VOID\r | |
386 | BlockIt (\r | |
387 | IN NIC_DATA_INSTANCE *AdapterInfo,\r | |
388 | UINT32 flag\r | |
389 | )\r | |
40834173 | 390 | {\r |
391 | if (AdapterInfo->VersionFlag == 0x30) {\r | |
392 | (*AdapterInfo->Block_30) (flag);\r | |
393 | } else {\r | |
394 | (*AdapterInfo->Block) (AdapterInfo->Unique_ID, flag);\r | |
395 | }\r | |
396 | }\r | |
397 | \r | |
40834173 | 398 | \r |
ffa5008a | 399 | /**\r |
40834173 | 400 | TODO: Add function description\r |
401 | \r | |
ffa5008a | 402 | @param AdapterInfo TODO: add argument description\r |
40834173 | 403 | \r |
ffa5008a | 404 | @return TODO: add return values\r |
40834173 | 405 | \r |
ffa5008a | 406 | **/\r |
407 | STATIC\r | |
408 | UINT8\r | |
409 | Load_Base_Regs (\r | |
410 | NIC_DATA_INSTANCE *AdapterInfo\r | |
411 | )\r | |
40834173 | 412 | {\r |
413 | //\r | |
414 | // we will use the linear (flat) memory model and fill our base registers\r | |
415 | // with 0's so that the entire physical address is our offset\r | |
416 | //\r | |
417 | //\r | |
418 | // we reset the statistics totals here because this is where we are loading stats addr\r | |
419 | //\r | |
420 | AdapterInfo->RxTotals = 0;\r | |
421 | AdapterInfo->TxTotals = 0;\r | |
422 | \r | |
423 | //\r | |
424 | // Load the statistics block address.\r | |
425 | //\r | |
426 | wait_for_cmd_done (AdapterInfo->ioaddr + SCBCmd);\r | |
427 | OutLong (AdapterInfo, (UINT32) AdapterInfo->stat_phy_addr, AdapterInfo->ioaddr + SCBPointer);\r | |
428 | OutByte (AdapterInfo, CU_STATSADDR, AdapterInfo->ioaddr + SCBCmd);\r | |
429 | AdapterInfo->statistics->done_marker = 0;\r | |
430 | \r | |
431 | wait_for_cmd_done (AdapterInfo->ioaddr + SCBCmd);\r | |
432 | OutLong (AdapterInfo, 0, AdapterInfo->ioaddr + SCBPointer);\r | |
433 | OutByte (AdapterInfo, RX_ADDR_LOAD, AdapterInfo->ioaddr + SCBCmd);\r | |
434 | \r | |
435 | wait_for_cmd_done (AdapterInfo->ioaddr + SCBCmd);\r | |
436 | OutLong (AdapterInfo, 0, AdapterInfo->ioaddr + SCBPointer);\r | |
437 | OutByte (AdapterInfo, CU_CMD_BASE, AdapterInfo->ioaddr + SCBCmd);\r | |
438 | \r | |
439 | return 0;\r | |
440 | }\r | |
441 | \r | |
ffa5008a | 442 | \r |
443 | /**\r | |
444 | TODO: Add function description\r | |
445 | \r | |
446 | @param AdapterInfo TODO: add argument description\r | |
447 | @param cmd_ptr TODO: add argument description\r | |
448 | \r | |
449 | @return TODO: add return values\r | |
450 | \r | |
451 | **/\r | |
40834173 | 452 | STATIC\r |
453 | UINT8\r | |
454 | IssueCB (\r | |
455 | NIC_DATA_INSTANCE *AdapterInfo,\r | |
456 | TxCB *cmd_ptr\r | |
457 | )\r | |
40834173 | 458 | {\r |
459 | UINT16 status;\r | |
460 | \r | |
461 | wait_for_cmd_done (AdapterInfo->ioaddr + SCBCmd);\r | |
462 | \r | |
463 | //\r | |
464 | // read the CU status, if it is idle, write the address of cb_ptr\r | |
465 | // in the scbpointer and issue a cu_start,\r | |
466 | // if it is suspended, remove the suspend bit in the previous command\r | |
467 | // block and issue a resume\r | |
468 | //\r | |
469 | // Ensure that the CU Active Status bit is not on from previous CBs.\r | |
470 | //\r | |
471 | status = InWord (AdapterInfo, AdapterInfo->ioaddr + SCBStatus);\r | |
472 | \r | |
473 | //\r | |
474 | // Skip acknowledging the interrupt if it is not already set\r | |
475 | //\r | |
476 | \r | |
477 | //\r | |
478 | // ack only the cna the integer\r | |
479 | //\r | |
480 | if ((status & SCB_STATUS_CNA) != 0) {\r | |
481 | OutWord (AdapterInfo, SCB_STATUS_CNA, AdapterInfo->ioaddr + SCBStatus);\r | |
482 | \r | |
483 | }\r | |
484 | \r | |
485 | if ((status & SCB_STATUS_CU_MASK) == SCB_STATUS_CU_IDLE) {\r | |
486 | //\r | |
487 | // give a cu_start\r | |
488 | //\r | |
489 | OutLong (AdapterInfo, cmd_ptr->PhysTCBAddress, AdapterInfo->ioaddr + SCBPointer);\r | |
490 | OutByte (AdapterInfo, CU_START, AdapterInfo->ioaddr + SCBCmd);\r | |
491 | } else {\r | |
492 | //\r | |
493 | // either active or suspended, give a resume\r | |
494 | //\r | |
495 | \r | |
496 | cmd_ptr->PrevTCBVirtualLinkPtr->cb_header.command &= ~(CmdSuspend | CmdIntr);\r | |
497 | OutByte (AdapterInfo, CU_RESUME, AdapterInfo->ioaddr + SCBCmd);\r | |
498 | }\r | |
499 | \r | |
500 | return 0;\r | |
501 | }\r | |
502 | \r | |
40834173 | 503 | \r |
ffa5008a | 504 | /**\r |
40834173 | 505 | TODO: Add function description\r |
506 | \r | |
ffa5008a | 507 | @param AdapterInfo TODO: add argument description\r |
40834173 | 508 | \r |
ffa5008a | 509 | @return TODO: add return values\r |
40834173 | 510 | \r |
ffa5008a | 511 | **/\r |
512 | STATIC\r | |
513 | UINT8\r | |
514 | Configure (\r | |
515 | NIC_DATA_INSTANCE *AdapterInfo\r | |
516 | )\r | |
40834173 | 517 | {\r |
518 | //\r | |
519 | // all command blocks are of TxCB format\r | |
520 | //\r | |
521 | TxCB *cmd_ptr;\r | |
522 | UINT8 *data_ptr;\r | |
523 | volatile INT16 Index;\r | |
524 | UINT8 my_filter;\r | |
525 | \r | |
526 | cmd_ptr = GetFreeCB (AdapterInfo);\r | |
527 | data_ptr = (UINT8 *) (&cmd_ptr->PhysTBDArrayAddres);\r | |
528 | \r | |
529 | //\r | |
530 | // start the config data right after the command header\r | |
531 | //\r | |
532 | for (Index = 0; Index < sizeof (basic_config_cmd); Index++) {\r | |
533 | data_ptr[Index] = basic_config_cmd[Index];\r | |
534 | }\r | |
535 | \r | |
536 | my_filter = (UINT8) ((AdapterInfo->Rx_Filter & PXE_OPFLAGS_RECEIVE_FILTER_PROMISCUOUS) ? 1 : 0);\r | |
77a0a4d9 | 537 | my_filter = (UINT8) (my_filter | ((AdapterInfo->Rx_Filter & PXE_OPFLAGS_RECEIVE_FILTER_BROADCAST) ? 0 : 2));\r |
40834173 | 538 | \r |
539 | data_ptr[15] = (UINT8) (data_ptr[15] | my_filter);\r | |
540 | data_ptr[19] = (UINT8) (AdapterInfo->Duplex ? 0xC0 : 0x80);\r | |
541 | data_ptr[21] = (UINT8) ((AdapterInfo->Rx_Filter & PXE_OPFLAGS_RECEIVE_FILTER_ALL_MULTICAST) ? 0x0D : 0x05);\r | |
542 | \r | |
543 | //\r | |
544 | // check if we have to use the AUI port instead\r | |
545 | //\r | |
546 | if ((AdapterInfo->PhyRecord[0] & 0x8000) != 0) {\r | |
547 | data_ptr[15] |= 0x80;\r | |
548 | data_ptr[8] = 0;\r | |
549 | }\r | |
550 | \r | |
551 | BlockIt (AdapterInfo, TRUE);\r | |
552 | cmd_ptr->cb_header.command = CmdSuspend | CmdConfigure;\r | |
553 | \r | |
554 | IssueCB (AdapterInfo, cmd_ptr);\r | |
555 | wait_for_cmd_done (AdapterInfo->ioaddr + SCBCmd);\r | |
556 | \r | |
557 | BlockIt (AdapterInfo, FALSE);\r | |
558 | \r | |
559 | CommandWaitForCompletion (cmd_ptr, AdapterInfo);\r | |
560 | \r | |
561 | //\r | |
562 | // restore the cb values for tx\r | |
563 | //\r | |
564 | cmd_ptr->PhysTBDArrayAddres = cmd_ptr->PhysArrayAddr;\r | |
565 | cmd_ptr->ByteCount = cmd_ptr->Threshold = cmd_ptr->TBDCount = 0;\r | |
566 | //\r | |
567 | // fields beyond the immediatedata are assumed to be safe\r | |
568 | // add the CB to the free list again\r | |
569 | //\r | |
570 | SetFreeCB (AdapterInfo, cmd_ptr);\r | |
571 | return 0;\r | |
572 | }\r | |
573 | \r | |
40834173 | 574 | \r |
ffa5008a | 575 | /**\r |
40834173 | 576 | TODO: Add function description\r |
577 | \r | |
ffa5008a | 578 | @param AdapterInfo TODO: add argument description\r |
40834173 | 579 | \r |
ffa5008a | 580 | @return TODO: add return values\r |
40834173 | 581 | \r |
ffa5008a | 582 | **/\r |
583 | UINT8\r | |
584 | E100bSetupIAAddr (\r | |
585 | NIC_DATA_INSTANCE *AdapterInfo\r | |
586 | )\r | |
40834173 | 587 | {\r |
588 | //\r | |
589 | // all command blocks are of TxCB format\r | |
590 | //\r | |
591 | TxCB *cmd_ptr;\r | |
592 | UINT16 *data_ptr;\r | |
593 | UINT16 *eaddrs;\r | |
594 | \r | |
595 | eaddrs = (UINT16 *) AdapterInfo->CurrentNodeAddress;\r | |
596 | \r | |
597 | cmd_ptr = GetFreeCB (AdapterInfo);\r | |
598 | data_ptr = (UINT16 *) (&cmd_ptr->PhysTBDArrayAddres);\r | |
599 | \r | |
600 | //\r | |
601 | // AVOID a bug (?!) here by marking the command already completed.\r | |
602 | //\r | |
603 | cmd_ptr->cb_header.command = (CmdSuspend | CmdIASetup);\r | |
604 | cmd_ptr->cb_header.status = 0;\r | |
605 | data_ptr[0] = eaddrs[0];\r | |
606 | data_ptr[1] = eaddrs[1];\r | |
607 | data_ptr[2] = eaddrs[2];\r | |
608 | \r | |
609 | BlockIt (AdapterInfo, TRUE);\r | |
610 | IssueCB (AdapterInfo, cmd_ptr);\r | |
611 | wait_for_cmd_done (AdapterInfo->ioaddr + SCBCmd);\r | |
612 | BlockIt (AdapterInfo, FALSE);\r | |
613 | \r | |
614 | CommandWaitForCompletion (cmd_ptr, AdapterInfo);\r | |
615 | \r | |
616 | //\r | |
617 | // restore the cb values for tx\r | |
618 | //\r | |
619 | cmd_ptr->PhysTBDArrayAddres = cmd_ptr->PhysArrayAddr;\r | |
620 | cmd_ptr->ByteCount = cmd_ptr->Threshold = cmd_ptr->TBDCount = 0;\r | |
621 | //\r | |
622 | // fields beyond the immediatedata are assumed to be safe\r | |
623 | // add the CB to the free list again\r | |
624 | //\r | |
625 | SetFreeCB (AdapterInfo, cmd_ptr);\r | |
626 | return 0;\r | |
627 | }\r | |
628 | \r | |
ffa5008a | 629 | \r |
630 | /**\r | |
631 | Instructs the NIC to stop receiving packets.\r | |
632 | \r | |
633 | @param AdapterInfo Pointer to the NIC data structure\r | |
634 | information which the UNDI driver is\r | |
635 | layering on..\r | |
636 | \r | |
637 | \r | |
638 | **/\r | |
40834173 | 639 | STATIC\r |
640 | VOID\r | |
641 | StopRU (\r | |
642 | IN NIC_DATA_INSTANCE *AdapterInfo\r | |
643 | )\r | |
40834173 | 644 | {\r |
645 | if (AdapterInfo->Receive_Started) {\r | |
646 | \r | |
647 | //\r | |
648 | // Todo: verify that we must wait for previous command completion.\r | |
649 | //\r | |
650 | wait_for_cmd_done (AdapterInfo->ioaddr + SCBCmd);\r | |
651 | \r | |
652 | //\r | |
653 | // Disable interrupts, and stop the chip's Rx process.\r | |
654 | //\r | |
655 | OutWord (AdapterInfo, INT_MASK, AdapterInfo->ioaddr + SCBCmd);\r | |
656 | OutWord (AdapterInfo, INT_MASK | RX_ABORT, AdapterInfo->ioaddr + SCBCmd);\r | |
657 | \r | |
658 | AdapterInfo->Receive_Started = FALSE;\r | |
659 | }\r | |
660 | \r | |
661 | return ;\r | |
662 | }\r | |
663 | \r | |
ffa5008a | 664 | \r |
665 | /**\r | |
666 | Instructs the NIC to start receiving packets.\r | |
667 | \r | |
668 | @param AdapterInfo Pointer to the NIC data structure\r | |
669 | information which the UNDI driver is\r | |
670 | layering on..\r | |
671 | \r | |
672 | @retval 0 Successful\r | |
673 | @retval -1 Already Started\r | |
674 | \r | |
675 | **/\r | |
40834173 | 676 | STATIC\r |
677 | INT8\r | |
678 | StartRU (\r | |
679 | NIC_DATA_INSTANCE *AdapterInfo\r | |
680 | )\r | |
40834173 | 681 | {\r |
682 | \r | |
683 | if (AdapterInfo->Receive_Started) {\r | |
684 | //\r | |
685 | // already started\r | |
686 | //\r | |
687 | return -1;\r | |
688 | }\r | |
689 | \r | |
690 | AdapterInfo->cur_rx_ind = 0;\r | |
691 | AdapterInfo->Int_Status = 0;\r | |
692 | \r | |
693 | wait_for_cmd_done (AdapterInfo->ioaddr + SCBCmd);\r | |
694 | \r | |
695 | OutLong (AdapterInfo, (UINT32) AdapterInfo->rx_phy_addr, AdapterInfo->ioaddr + SCBPointer);\r | |
696 | OutByte (AdapterInfo, RX_START, AdapterInfo->ioaddr + SCBCmd);\r | |
697 | \r | |
698 | wait_for_cmd_done (AdapterInfo->ioaddr + SCBCmd);\r | |
699 | \r | |
700 | AdapterInfo->Receive_Started = TRUE;\r | |
701 | return 0;\r | |
702 | }\r | |
703 | \r | |
40834173 | 704 | \r |
ffa5008a | 705 | /**\r |
40834173 | 706 | Configures the chip. This routine expects the NIC_DATA_INSTANCE structure to be filled in.\r |
707 | \r | |
ffa5008a | 708 | @param AdapterInfo Pointer to the NIC data structure\r |
709 | information which the UNDI driver is\r | |
710 | layering on..\r | |
40834173 | 711 | \r |
ffa5008a | 712 | @retval 0 Successful\r |
713 | @retval PXE_STATCODE_NOT_ENOUGH_MEMORY Insufficient length of locked memory\r | |
714 | @retval other Failure initializing chip\r | |
715 | \r | |
716 | **/\r | |
717 | UINTN\r | |
718 | E100bInit (\r | |
719 | IN NIC_DATA_INSTANCE *AdapterInfo\r | |
720 | )\r | |
40834173 | 721 | {\r |
722 | PCI_CONFIG_HEADER *CfgHdr;\r | |
723 | UINTN stat;\r | |
724 | UINTN rx_size;\r | |
725 | UINTN tx_size;\r | |
726 | \r | |
727 | if (AdapterInfo->MemoryLength < MEMORY_NEEDED) {\r | |
728 | return PXE_STATCODE_NOT_ENOUGH_MEMORY;\r | |
729 | }\r | |
730 | \r | |
731 | stat = MapIt (\r | |
732 | AdapterInfo,\r | |
733 | AdapterInfo->MemoryPtr,\r | |
734 | AdapterInfo->MemoryLength,\r | |
735 | TO_AND_FROM_DEVICE,\r | |
736 | (UINT64)(UINTN) &AdapterInfo->Mapped_MemoryPtr\r | |
737 | );\r | |
738 | \r | |
739 | if (stat != 0) {\r | |
740 | return stat;\r | |
741 | }\r | |
742 | \r | |
743 | CfgHdr = (PCI_CONFIG_HEADER *) &(AdapterInfo->Config[0]);\r | |
744 | \r | |
745 | //\r | |
746 | // fill in the ioaddr, int... from the config space\r | |
747 | //\r | |
748 | AdapterInfo->int_num = CfgHdr->int_line;\r | |
749 | \r | |
750 | //\r | |
751 | // we don't need to validate integer number, what if they don't want to assign one?\r | |
752 | // if (AdapterInfo->int_num == 0 || AdapterInfo->int_num == 0xff)\r | |
753 | // return PXE_STATCODE_DEVICE_FAILURE;\r | |
754 | //\r | |
755 | AdapterInfo->ioaddr = 0;\r | |
756 | AdapterInfo->VendorID = CfgHdr->VendorID;\r | |
757 | AdapterInfo->DeviceID = CfgHdr->DeviceID;\r | |
758 | AdapterInfo->RevID = CfgHdr->RevID;\r | |
759 | AdapterInfo->SubVendorID = CfgHdr->SubVendorID;\r | |
760 | AdapterInfo->SubSystemID = CfgHdr->SubSystemID;\r | |
761 | AdapterInfo->flash_addr = 0;\r | |
762 | \r | |
763 | //\r | |
764 | // Read the station address EEPROM before doing the reset.\r | |
765 | // Perhaps this should even be done before accepting the device,\r | |
766 | // then we wouldn't have a device name with which to report the error.\r | |
767 | //\r | |
768 | if (E100bReadEepromAndStationAddress (AdapterInfo) != 0) {\r | |
769 | return PXE_STATCODE_DEVICE_FAILURE;\r | |
770 | \r | |
771 | }\r | |
772 | //\r | |
773 | // ## calculate the buffer #s depending on memory given\r | |
774 | // ## calculate the rx and tx ring pointers\r | |
775 | //\r | |
776 | \r | |
777 | AdapterInfo->TxBufCnt = TX_BUFFER_COUNT;\r | |
778 | AdapterInfo->RxBufCnt = RX_BUFFER_COUNT;\r | |
779 | rx_size = (AdapterInfo->RxBufCnt * sizeof (RxFD));\r | |
780 | tx_size = (AdapterInfo->TxBufCnt * sizeof (TxCB));\r | |
781 | AdapterInfo->rx_ring = (RxFD *) (UINTN) (AdapterInfo->MemoryPtr);\r | |
782 | AdapterInfo->tx_ring = (TxCB *) (UINTN) (AdapterInfo->MemoryPtr + rx_size);\r | |
783 | AdapterInfo->statistics = (struct speedo_stats *) (UINTN) (AdapterInfo->MemoryPtr + rx_size + tx_size);\r | |
784 | \r | |
785 | AdapterInfo->rx_phy_addr = AdapterInfo->Mapped_MemoryPtr;\r | |
786 | AdapterInfo->tx_phy_addr = AdapterInfo->Mapped_MemoryPtr + rx_size;\r | |
787 | AdapterInfo->stat_phy_addr = AdapterInfo->tx_phy_addr + tx_size;\r | |
b61439a7 | 788 | \r |
40834173 | 789 | //\r |
790 | // auto detect.\r | |
791 | //\r | |
792 | AdapterInfo->PhyAddress = 0xFF;\r | |
793 | AdapterInfo->Rx_Filter = PXE_OPFLAGS_RECEIVE_FILTER_BROADCAST;\r | |
794 | AdapterInfo->Receive_Started = FALSE;\r | |
795 | AdapterInfo->mcast_list.list_len = 0;\r | |
796 | return InitializeChip (AdapterInfo);\r | |
797 | }\r | |
798 | \r | |
ffa5008a | 799 | \r |
800 | /**\r | |
801 | Sets the interrupt state for the NIC.\r | |
802 | \r | |
803 | @param AdapterInfo Pointer to the NIC data structure\r | |
804 | information which the UNDI driver is\r | |
805 | layering on..\r | |
806 | \r | |
807 | @retval 0 Successful\r | |
808 | \r | |
809 | **/\r | |
40834173 | 810 | UINT8\r |
811 | E100bSetInterruptState (\r | |
812 | IN NIC_DATA_INSTANCE *AdapterInfo\r | |
813 | )\r | |
40834173 | 814 | {\r |
815 | //\r | |
816 | // don't set receive interrupt if receiver is disabled...\r | |
817 | //\r | |
818 | UINT16 cmd_word;\r | |
819 | \r | |
820 | if ((AdapterInfo->int_mask & PXE_OPFLAGS_INTERRUPT_RECEIVE) != 0) {\r | |
821 | cmd_word = InWord (AdapterInfo, AdapterInfo->ioaddr + SCBCmd);\r | |
822 | cmd_word &= ~INT_MASK;\r | |
823 | OutWord (AdapterInfo, cmd_word, AdapterInfo->ioaddr + SCBCmd);\r | |
824 | } else {\r | |
825 | //\r | |
826 | // disable ints, should not be given for SW Int.\r | |
827 | //\r | |
828 | OutWord (AdapterInfo, INT_MASK, AdapterInfo->ioaddr + SCBCmd);\r | |
829 | }\r | |
830 | \r | |
831 | if ((AdapterInfo->int_mask & PXE_OPFLAGS_INTERRUPT_SOFTWARE) != 0) {\r | |
832 | //\r | |
833 | // reset the bit in our mask, it is only one time!!\r | |
834 | //\r | |
835 | AdapterInfo->int_mask &= ~(PXE_OPFLAGS_INTERRUPT_SOFTWARE);\r | |
836 | cmd_word = InWord (AdapterInfo, AdapterInfo->ioaddr + SCBCmd);\r | |
837 | cmd_word |= DRVR_INT;\r | |
838 | OutWord (AdapterInfo, cmd_word, AdapterInfo->ioaddr + SCBCmd);\r | |
839 | }\r | |
840 | \r | |
841 | return 0;\r | |
842 | }\r | |
843 | //\r | |
844 | // we are not going to disable broadcast for the WOL's sake!\r | |
845 | //\r | |
ffa5008a | 846 | \r |
847 | /**\r | |
848 | Instructs the NIC to start receiving packets.\r | |
849 | \r | |
850 | @param AdapterInfo Pointer to the NIC data structure\r | |
851 | information which the UNDI driver is\r | |
852 | layering on.. new_filter\r | |
853 | - cpb -\r | |
854 | cpbsize -\r | |
855 | \r | |
856 | @retval 0 Successful\r | |
857 | @retval -1 Already Started\r | |
858 | \r | |
859 | **/\r | |
40834173 | 860 | UINTN\r |
861 | E100bSetfilter (\r | |
862 | NIC_DATA_INSTANCE *AdapterInfo,\r | |
863 | UINT16 new_filter,\r | |
864 | UINT64 cpb,\r | |
865 | UINT32 cpbsize\r | |
866 | )\r | |
40834173 | 867 | {\r |
868 | PXE_CPB_RECEIVE_FILTERS *mc_list = (PXE_CPB_RECEIVE_FILTERS *) (UINTN)cpb;\r | |
869 | UINT16 cfg_flt;\r | |
870 | UINT16 old_filter;\r | |
871 | UINT16 Index;\r | |
872 | UINT16 Index2;\r | |
873 | UINT16 mc_count;\r | |
874 | TxCB *cmd_ptr;\r | |
875 | struct MC_CB_STRUCT *data_ptr;\r | |
876 | UINT16 mc_byte_cnt;\r | |
877 | \r | |
878 | old_filter = AdapterInfo->Rx_Filter;\r | |
879 | \r | |
880 | //\r | |
881 | // only these bits need a change in the configuration\r | |
882 | // actually change in bcast requires configure but we ignore that change\r | |
883 | //\r | |
884 | cfg_flt = PXE_OPFLAGS_RECEIVE_FILTER_PROMISCUOUS |\r | |
885 | PXE_OPFLAGS_RECEIVE_FILTER_ALL_MULTICAST;\r | |
886 | \r | |
887 | if ((old_filter & cfg_flt) != (new_filter & cfg_flt)) {\r | |
888 | XmitWaitForCompletion (AdapterInfo);\r | |
889 | \r | |
890 | if (AdapterInfo->Receive_Started) {\r | |
891 | StopRU (AdapterInfo);\r | |
892 | }\r | |
893 | \r | |
894 | AdapterInfo->Rx_Filter = (UINT8) (new_filter | PXE_OPFLAGS_RECEIVE_FILTER_BROADCAST);\r | |
895 | Configure (AdapterInfo);\r | |
896 | }\r | |
897 | \r | |
898 | //\r | |
899 | // check if mcast setting changed\r | |
900 | //\r | |
901 | if ( ((new_filter & PXE_OPFLAGS_RECEIVE_FILTER_FILTERED_MULTICAST) !=\r | |
902 | (old_filter & PXE_OPFLAGS_RECEIVE_FILTER_FILTERED_MULTICAST) ) ||\r | |
903 | (mc_list != NULL) ) {\r | |
904 | \r | |
905 | \r | |
906 | if (mc_list != NULL) {\r | |
907 | mc_count = AdapterInfo->mcast_list.list_len = (UINT16) (cpbsize / PXE_MAC_LENGTH);\r | |
908 | \r | |
909 | for (Index = 0; (Index < mc_count && Index < MAX_MCAST_ADDRESS_CNT); Index++) {\r | |
910 | for (Index2 = 0; Index2 < PXE_MAC_LENGTH; Index2++) {\r | |
911 | AdapterInfo->mcast_list.mc_list[Index][Index2] = mc_list->MCastList[Index][Index2];\r | |
912 | }\r | |
913 | }\r | |
914 | }\r | |
915 | \r | |
916 | //\r | |
917 | // are we setting the list or resetting??\r | |
918 | //\r | |
919 | if ((new_filter & PXE_OPFLAGS_RECEIVE_FILTER_FILTERED_MULTICAST) != 0) {\r | |
920 | //\r | |
921 | // we are setting a new list!\r | |
922 | //\r | |
923 | mc_count = AdapterInfo->mcast_list.list_len;\r | |
924 | //\r | |
925 | // count should be the actual # of bytes in the list\r | |
926 | // so multiply this with 6\r | |
927 | //\r | |
928 | mc_byte_cnt = (UINT16) ((mc_count << 2) + (mc_count << 1));\r | |
929 | AdapterInfo->Rx_Filter |= PXE_OPFLAGS_RECEIVE_FILTER_FILTERED_MULTICAST;\r | |
930 | } else {\r | |
931 | //\r | |
932 | // disabling the list in the NIC.\r | |
933 | //\r | |
934 | mc_byte_cnt = mc_count = 0;\r | |
935 | AdapterInfo->Rx_Filter &= (~PXE_OPFLAGS_RECEIVE_FILTER_FILTERED_MULTICAST);\r | |
936 | }\r | |
937 | \r | |
938 | //\r | |
939 | // before issuing any new command!\r | |
940 | //\r | |
941 | XmitWaitForCompletion (AdapterInfo);\r | |
942 | \r | |
943 | if (AdapterInfo->Receive_Started) {\r | |
944 | StopRU (AdapterInfo);\r | |
945 | \r | |
946 | }\r | |
947 | \r | |
948 | cmd_ptr = GetFreeCB (AdapterInfo);\r | |
949 | if (cmd_ptr == NULL) {\r | |
950 | return PXE_STATCODE_QUEUE_FULL;\r | |
951 | }\r | |
952 | //\r | |
953 | // fill the command structure and issue\r | |
954 | //\r | |
955 | data_ptr = (struct MC_CB_STRUCT *) (&cmd_ptr->PhysTBDArrayAddres);\r | |
956 | //\r | |
957 | // first 2 bytes are the count;\r | |
958 | //\r | |
959 | data_ptr->count = mc_byte_cnt;\r | |
960 | for (Index = 0; Index < mc_count; Index++) {\r | |
961 | for (Index2 = 0; Index2 < PXE_HWADDR_LEN_ETHER; Index2++) {\r | |
962 | data_ptr->m_list[Index][Index2] = AdapterInfo->mcast_list.mc_list[Index][Index2];\r | |
963 | }\r | |
964 | }\r | |
965 | \r | |
966 | cmd_ptr->cb_header.command = CmdSuspend | CmdMulticastList;\r | |
967 | cmd_ptr->cb_header.status = 0;\r | |
968 | \r | |
969 | BlockIt (AdapterInfo, TRUE);\r | |
970 | IssueCB (AdapterInfo, cmd_ptr);\r | |
971 | wait_for_cmd_done (AdapterInfo->ioaddr + SCBCmd);\r | |
972 | \r | |
973 | BlockIt (AdapterInfo, FALSE);\r | |
974 | \r | |
975 | CommandWaitForCompletion (cmd_ptr, AdapterInfo);\r | |
976 | \r | |
977 | cmd_ptr->PhysTBDArrayAddres = cmd_ptr->PhysArrayAddr;\r | |
978 | cmd_ptr->ByteCount = cmd_ptr->Threshold = cmd_ptr->TBDCount = 0;\r | |
979 | //\r | |
980 | // fields beyond the immediatedata are assumed to be safe\r | |
981 | // add the CB to the free list again\r | |
982 | //\r | |
983 | SetFreeCB (AdapterInfo, cmd_ptr);\r | |
984 | }\r | |
985 | \r | |
986 | if (new_filter != 0) {\r | |
987 | //\r | |
988 | // enable unicast and start the RU\r | |
989 | //\r | |
990 | AdapterInfo->Rx_Filter = (UINT8) (AdapterInfo->Rx_Filter | (new_filter | PXE_OPFLAGS_RECEIVE_FILTER_UNICAST));\r | |
991 | StartRU (AdapterInfo);\r | |
992 | } else {\r | |
993 | //\r | |
994 | // may be disabling everything!\r | |
995 | //\r | |
996 | if (AdapterInfo->Receive_Started) {\r | |
997 | StopRU (AdapterInfo);\r | |
998 | }\r | |
999 | \r | |
1000 | AdapterInfo->Rx_Filter |= (~PXE_OPFLAGS_RECEIVE_FILTER_UNICAST);\r | |
1001 | }\r | |
1002 | \r | |
1003 | return 0;\r | |
1004 | }\r | |
1005 | \r | |
ffa5008a | 1006 | \r |
1007 | /**\r | |
1008 | TODO: Add function description\r | |
1009 | \r | |
1010 | @param AdapterInfo TODO: add argument description\r | |
1011 | @param cpb TODO: add argument description\r | |
1012 | @param opflags TODO: add argument description\r | |
1013 | \r | |
1014 | @return TODO: add return values\r | |
1015 | \r | |
1016 | **/\r | |
40834173 | 1017 | UINTN\r |
1018 | E100bTransmit (\r | |
1019 | NIC_DATA_INSTANCE *AdapterInfo,\r | |
1020 | UINT64 cpb,\r | |
1021 | UINT16 opflags\r | |
1022 | )\r | |
40834173 | 1023 | {\r |
1024 | PXE_CPB_TRANSMIT_FRAGMENTS *tx_ptr_f;\r | |
1025 | PXE_CPB_TRANSMIT *tx_ptr_1;\r | |
1026 | TxCB *tcb_ptr;\r | |
1027 | UINT64 Tmp_ptr;\r | |
1028 | UINTN stat;\r | |
1029 | INT32 Index;\r | |
1030 | UINT16 wait_sec;\r | |
1031 | \r | |
1032 | tx_ptr_1 = (PXE_CPB_TRANSMIT *) (UINTN) cpb;\r | |
1033 | tx_ptr_f = (PXE_CPB_TRANSMIT_FRAGMENTS *) (UINTN) cpb;\r | |
1034 | \r | |
1035 | //\r | |
1036 | // stop reentrancy here\r | |
1037 | //\r | |
1038 | if (AdapterInfo->in_transmit) {\r | |
1039 | return PXE_STATCODE_BUSY;\r | |
1040 | \r | |
1041 | }\r | |
1042 | \r | |
1043 | AdapterInfo->in_transmit = TRUE;\r | |
1044 | \r | |
1045 | //\r | |
1046 | // Prevent interrupts from changing the Tx ring from underneath us.\r | |
1047 | //\r | |
1048 | // Calculate the Tx descriptor entry.\r | |
1049 | //\r | |
1050 | if ((tcb_ptr = GetFreeCB (AdapterInfo)) == NULL) {\r | |
1051 | AdapterInfo->in_transmit = FALSE;\r | |
1052 | return PXE_STATCODE_QUEUE_FULL;\r | |
1053 | }\r | |
1054 | \r | |
1055 | AdapterInfo->TxTotals++;\r | |
1056 | \r | |
1057 | tcb_ptr->cb_header.command = (CmdSuspend | CmdTx | CmdTxFlex);\r | |
1058 | tcb_ptr->cb_header.status = 0;\r | |
1059 | \r | |
1060 | //\r | |
1061 | // no immediate data, set EOF in the ByteCount\r | |
1062 | //\r | |
1063 | tcb_ptr->ByteCount = 0x8000;\r | |
1064 | \r | |
1065 | //\r | |
1066 | // The data region is always in one buffer descriptor, Tx FIFO\r | |
1067 | // threshold of 256.\r | |
1068 | // 82557 multiplies the threashold value by 8, so give 256/8\r | |
1069 | //\r | |
1070 | tcb_ptr->Threshold = 32;\r | |
1071 | if ((opflags & PXE_OPFLAGS_TRANSMIT_FRAGMENTED) != 0) {\r | |
1072 | \r | |
1073 | if (tx_ptr_f->FragCnt > MAX_XMIT_FRAGMENTS) {\r | |
1074 | SetFreeCB (AdapterInfo, tcb_ptr);\r | |
1075 | AdapterInfo->in_transmit = FALSE;\r | |
1076 | return PXE_STATCODE_INVALID_PARAMETER;\r | |
1077 | }\r | |
1078 | \r | |
1079 | tcb_ptr->TBDCount = (UINT8) tx_ptr_f->FragCnt;\r | |
1080 | \r | |
1081 | for (Index = 0; Index < tx_ptr_f->FragCnt; Index++) {\r | |
1082 | stat = MapIt (\r | |
1083 | AdapterInfo,\r | |
1084 | tx_ptr_f->FragDesc[Index].FragAddr,\r | |
1085 | tx_ptr_f->FragDesc[Index].FragLen,\r | |
1086 | TO_DEVICE,\r | |
1087 | (UINT64)(UINTN) &Tmp_ptr\r | |
1088 | );\r | |
1089 | if (stat != 0) {\r | |
1090 | SetFreeCB (AdapterInfo, tcb_ptr);\r | |
1091 | AdapterInfo->in_transmit = FALSE;\r | |
1092 | return PXE_STATCODE_INVALID_PARAMETER;\r | |
1093 | }\r | |
1094 | \r | |
1095 | tcb_ptr->TBDArray[Index].phys_buf_addr = (UINT32) Tmp_ptr;\r | |
1096 | tcb_ptr->TBDArray[Index].buf_len = tx_ptr_f->FragDesc[Index].FragLen;\r | |
1097 | }\r | |
1098 | \r | |
1099 | tcb_ptr->free_data_ptr = tx_ptr_f->FragDesc[0].FragAddr;\r | |
1100 | \r | |
1101 | } else {\r | |
1102 | //\r | |
1103 | // non fragmented case\r | |
1104 | //\r | |
1105 | tcb_ptr->TBDCount = 1;\r | |
1106 | stat = MapIt (\r | |
1107 | AdapterInfo,\r | |
1108 | tx_ptr_1->FrameAddr,\r | |
1109 | tx_ptr_1->DataLen + tx_ptr_1->MediaheaderLen,\r | |
1110 | TO_DEVICE,\r | |
1111 | (UINT64)(UINTN) &Tmp_ptr\r | |
1112 | );\r | |
1113 | if (stat != 0) {\r | |
1114 | SetFreeCB (AdapterInfo, tcb_ptr);\r | |
1115 | AdapterInfo->in_transmit = FALSE;\r | |
1116 | return PXE_STATCODE_INVALID_PARAMETER;\r | |
1117 | }\r | |
1118 | \r | |
1119 | tcb_ptr->TBDArray[0].phys_buf_addr = (UINT32) (Tmp_ptr);\r | |
1120 | tcb_ptr->TBDArray[0].buf_len = tx_ptr_1->DataLen + tx_ptr_1->MediaheaderLen;\r | |
1121 | tcb_ptr->free_data_ptr = tx_ptr_1->FrameAddr;\r | |
1122 | }\r | |
1123 | \r | |
1124 | //\r | |
1125 | // must wait for previous command completion only if it was a non-transmit\r | |
1126 | //\r | |
1127 | BlockIt (AdapterInfo, TRUE);\r | |
1128 | IssueCB (AdapterInfo, tcb_ptr);\r | |
1129 | BlockIt (AdapterInfo, FALSE);\r | |
1130 | \r | |
1131 | //\r | |
1132 | // see if we need to wait for completion here\r | |
1133 | //\r | |
1134 | if ((opflags & PXE_OPFLAGS_TRANSMIT_BLOCK) != 0) {\r | |
1135 | //\r | |
1136 | // don't wait for more than 1 second!!!\r | |
1137 | //\r | |
1138 | wait_sec = 1000;\r | |
1139 | while (tcb_ptr->cb_header.status == 0) {\r | |
1140 | DelayIt (AdapterInfo, 10);\r | |
1141 | wait_sec--;\r | |
1142 | if (wait_sec == 0) {\r | |
1143 | break;\r | |
1144 | }\r | |
1145 | }\r | |
1146 | //\r | |
1147 | // we need to un-map any mapped buffers here\r | |
1148 | //\r | |
1149 | if ((opflags & PXE_OPFLAGS_TRANSMIT_FRAGMENTED) != 0) {\r | |
1150 | \r | |
1151 | for (Index = 0; Index < tx_ptr_f->FragCnt; Index++) {\r | |
1152 | Tmp_ptr = tcb_ptr->TBDArray[Index].phys_buf_addr;\r | |
1153 | UnMapIt (\r | |
1154 | AdapterInfo,\r | |
1155 | tx_ptr_f->FragDesc[Index].FragAddr,\r | |
1156 | tx_ptr_f->FragDesc[Index].FragLen,\r | |
1157 | TO_DEVICE,\r | |
1158 | (UINT64) Tmp_ptr\r | |
1159 | );\r | |
1160 | }\r | |
1161 | } else {\r | |
1162 | Tmp_ptr = tcb_ptr->TBDArray[0].phys_buf_addr;\r | |
1163 | UnMapIt (\r | |
1164 | AdapterInfo,\r | |
1165 | tx_ptr_1->FrameAddr,\r | |
1166 | tx_ptr_1->DataLen + tx_ptr_1->MediaheaderLen,\r | |
1167 | TO_DEVICE,\r | |
1168 | (UINT64) Tmp_ptr\r | |
1169 | );\r | |
1170 | }\r | |
1171 | \r | |
1172 | if (tcb_ptr->cb_header.status == 0) {\r | |
1173 | SetFreeCB (AdapterInfo, tcb_ptr);\r | |
1174 | AdapterInfo->in_transmit = FALSE;\r | |
1175 | return PXE_STATCODE_DEVICE_FAILURE;\r | |
1176 | }\r | |
1177 | \r | |
1178 | SetFreeCB (AdapterInfo, tcb_ptr);\r | |
1179 | }\r | |
1180 | //\r | |
1181 | // CB will be set free later in get_status (or when we run out of xmit buffers\r | |
1182 | //\r | |
1183 | AdapterInfo->in_transmit = FALSE;\r | |
1184 | \r | |
1185 | return 0;\r | |
1186 | }\r | |
1187 | \r | |
ffa5008a | 1188 | \r |
1189 | /**\r | |
1190 | TODO: Add function description\r | |
1191 | \r | |
1192 | @param AdapterInfo TODO: add argument description\r | |
1193 | @param cpb TODO: add argument description\r | |
1194 | @param db TODO: add argument description\r | |
1195 | \r | |
1196 | @return TODO: add return values\r | |
1197 | \r | |
1198 | **/\r | |
40834173 | 1199 | UINTN\r |
1200 | E100bReceive (\r | |
1201 | NIC_DATA_INSTANCE *AdapterInfo,\r | |
1202 | UINT64 cpb,\r | |
1203 | UINT64 db\r | |
1204 | )\r | |
40834173 | 1205 | {\r |
1206 | PXE_CPB_RECEIVE *rx_cpbptr;\r | |
1207 | PXE_DB_RECEIVE *rx_dbptr;\r | |
1208 | RxFD *rx_ptr;\r | |
1209 | INT32 status;\r | |
1210 | INT32 Index;\r | |
1211 | UINT16 pkt_len;\r | |
1212 | UINT16 ret_code;\r | |
1213 | PXE_FRAME_TYPE pkt_type;\r | |
1214 | UINT16 Tmp_len;\r | |
1215 | EtherHeader *hdr_ptr;\r | |
1216 | ret_code = PXE_STATCODE_NO_DATA;\r | |
1217 | pkt_type = PXE_FRAME_TYPE_NONE;\r | |
1218 | status = InWord (AdapterInfo, AdapterInfo->ioaddr + SCBStatus);\r | |
1219 | AdapterInfo->Int_Status = (UINT16) (AdapterInfo->Int_Status | status);\r | |
1220 | //\r | |
1221 | // acknoledge the interrupts\r | |
1222 | //\r | |
1223 | OutWord (AdapterInfo, (UINT16) (status & 0xfc00), (UINT32) (AdapterInfo->ioaddr + SCBStatus));\r | |
1224 | \r | |
1225 | //\r | |
1226 | // include the prev ints as well\r | |
1227 | //\r | |
1228 | status = AdapterInfo->Int_Status;\r | |
1229 | rx_cpbptr = (PXE_CPB_RECEIVE *) (UINTN) cpb;\r | |
1230 | rx_dbptr = (PXE_DB_RECEIVE *) (UINTN) db;\r | |
1231 | \r | |
1232 | rx_ptr = &AdapterInfo->rx_ring[AdapterInfo->cur_rx_ind];\r | |
1233 | \r | |
1234 | //\r | |
1235 | // be in a loop just in case (we may drop a pkt)\r | |
1236 | //\r | |
1237 | while ((status = rx_ptr->cb_header.status) & RX_COMPLETE) {\r | |
1238 | \r | |
1239 | AdapterInfo->RxTotals++;\r | |
1240 | //\r | |
1241 | // If we own the next entry, it's a new packet. Send it up.\r | |
1242 | //\r | |
1243 | if (rx_ptr->forwarded) {\r | |
1244 | goto FreeRFD;\r | |
1245 | \r | |
1246 | }\r | |
1247 | \r | |
1248 | //\r | |
1249 | // discard bad frames\r | |
1250 | //\r | |
1251 | \r | |
1252 | //\r | |
1253 | // crc, align, dma overrun, too short, receive error (v22 no coll)\r | |
1254 | //\r | |
1255 | if ((status & 0x0D90) != 0) {\r | |
1256 | goto FreeRFD;\r | |
1257 | \r | |
1258 | }\r | |
1259 | \r | |
1260 | //\r | |
1261 | // make sure the status is OK\r | |
1262 | //\r | |
1263 | if ((status & 0x02000) == 0) {\r | |
1264 | goto FreeRFD;\r | |
1265 | }\r | |
1266 | \r | |
1267 | pkt_len = (UINT16) (rx_ptr->ActualCount & 0x3fff);\r | |
1268 | \r | |
1269 | if (pkt_len != 0) {\r | |
1270 | \r | |
1271 | Tmp_len = pkt_len;\r | |
1272 | if (pkt_len > rx_cpbptr->BufferLen) {\r | |
1273 | Tmp_len = (UINT16) rx_cpbptr->BufferLen;\r | |
1274 | }\r | |
1275 | \r | |
1276 | CopyMem ((INT8 *) (UINTN) rx_cpbptr->BufferAddr, (INT8 *) &rx_ptr->RFDBuffer, Tmp_len);\r | |
1277 | \r | |
1278 | hdr_ptr = (EtherHeader *) &rx_ptr->RFDBuffer;\r | |
1279 | //\r | |
1280 | // fill the CDB and break the loop\r | |
1281 | //\r | |
1282 | \r | |
1283 | //\r | |
1284 | // includes header\r | |
1285 | //\r | |
1286 | rx_dbptr->FrameLen = pkt_len;\r | |
1287 | rx_dbptr->MediaHeaderLen = PXE_MAC_HEADER_LEN_ETHER;\r | |
1288 | \r | |
1289 | for (Index = 0; Index < PXE_HWADDR_LEN_ETHER; Index++) {\r | |
1290 | if (hdr_ptr->dest_addr[Index] != AdapterInfo->CurrentNodeAddress[Index]) {\r | |
1291 | break;\r | |
1292 | }\r | |
1293 | }\r | |
1294 | \r | |
1295 | if (Index >= PXE_HWADDR_LEN_ETHER) {\r | |
1296 | pkt_type = PXE_FRAME_TYPE_UNICAST;\r | |
1297 | } else {\r | |
1298 | for (Index = 0; Index < PXE_HWADDR_LEN_ETHER; Index++) {\r | |
1299 | if (hdr_ptr->dest_addr[Index] != AdapterInfo->BroadcastNodeAddress[Index]) {\r | |
1300 | break;\r | |
1301 | }\r | |
1302 | }\r | |
1303 | \r | |
1304 | if (Index >= PXE_HWADDR_LEN_ETHER) {\r | |
1305 | pkt_type = PXE_FRAME_TYPE_BROADCAST;\r | |
1306 | } else {\r | |
1307 | if ((hdr_ptr->dest_addr[0] & 1) == 1) {\r | |
1308 | //\r | |
1309 | // mcast\r | |
1310 | //\r | |
1311 | \r | |
ffa5008a | 1312 | pkt_type = PXE_FRAME_TYPE_FILTERED_MULTICAST;\r |
40834173 | 1313 | } else {\r |
1314 | pkt_type = PXE_FRAME_TYPE_PROMISCUOUS;\r | |
1315 | }\r | |
1316 | }\r | |
1317 | }\r | |
1318 | \r | |
1319 | rx_dbptr->Type = pkt_type;\r | |
1320 | rx_dbptr->Protocol = hdr_ptr->type;\r | |
1321 | \r | |
1322 | for (Index = 0; Index < PXE_HWADDR_LEN_ETHER; Index++) {\r | |
1323 | rx_dbptr->SrcAddr[Index] = hdr_ptr->src_addr[Index];\r | |
1324 | rx_dbptr->DestAddr[Index] = hdr_ptr->dest_addr[Index];\r | |
1325 | }\r | |
1326 | \r | |
1327 | rx_ptr->forwarded = TRUE;\r | |
1328 | //\r | |
1329 | // success\r | |
1330 | //\r | |
1331 | ret_code = 0;\r | |
1332 | Recycle_RFD (AdapterInfo, AdapterInfo->cur_rx_ind);\r | |
1333 | AdapterInfo->cur_rx_ind++;\r | |
1334 | if (AdapterInfo->cur_rx_ind == AdapterInfo->RxBufCnt) {\r | |
1335 | AdapterInfo->cur_rx_ind = 0;\r | |
1336 | }\r | |
1337 | break;\r | |
1338 | }\r | |
1339 | \r | |
1340 | FreeRFD:\r | |
1341 | Recycle_RFD (AdapterInfo, AdapterInfo->cur_rx_ind);\r | |
1342 | AdapterInfo->cur_rx_ind++;\r | |
1343 | if (AdapterInfo->cur_rx_ind == AdapterInfo->RxBufCnt) {\r | |
1344 | AdapterInfo->cur_rx_ind = 0;\r | |
1345 | }\r | |
1346 | \r | |
1347 | rx_ptr = &AdapterInfo->rx_ring[AdapterInfo->cur_rx_ind];\r | |
1348 | }\r | |
1349 | \r | |
1350 | if (pkt_type == PXE_FRAME_TYPE_NONE) {\r | |
1351 | AdapterInfo->Int_Status &= (~SCB_STATUS_FR);\r | |
1352 | }\r | |
1353 | \r | |
1354 | status = InWord (AdapterInfo, AdapterInfo->ioaddr + SCBStatus);\r | |
1355 | if ((status & SCB_RUS_NO_RESOURCES) != 0) {\r | |
1356 | //\r | |
1357 | // start the receive unit here!\r | |
1358 | // leave all the filled frames,\r | |
1359 | //\r | |
1360 | SetupReceiveQueues (AdapterInfo);\r | |
1361 | OutLong (AdapterInfo, (UINT32) AdapterInfo->rx_phy_addr, AdapterInfo->ioaddr + SCBPointer);\r | |
1362 | OutWord (AdapterInfo, RX_START, AdapterInfo->ioaddr + SCBCmd);\r | |
1363 | AdapterInfo->cur_rx_ind = 0;\r | |
1364 | }\r | |
1365 | \r | |
1366 | return ret_code;\r | |
1367 | }\r | |
1368 | \r | |
40834173 | 1369 | \r |
ffa5008a | 1370 | /**\r |
40834173 | 1371 | TODO: Add function description\r |
1372 | \r | |
ffa5008a | 1373 | @param AdapterInfo TODO: add argument description\r |
40834173 | 1374 | \r |
ffa5008a | 1375 | @return TODO: add return values\r |
40834173 | 1376 | \r |
ffa5008a | 1377 | **/\r |
1378 | INT16\r | |
1379 | E100bReadEepromAndStationAddress (\r | |
1380 | NIC_DATA_INSTANCE *AdapterInfo\r | |
1381 | )\r | |
40834173 | 1382 | {\r |
1383 | INT32 Index;\r | |
1384 | INT32 Index2;\r | |
1385 | UINT16 sum;\r | |
1386 | UINT16 eeprom_len;\r | |
1387 | UINT8 addr_len;\r | |
1388 | UINT16 *eedata;\r | |
1389 | \r | |
1390 | eedata = (UINT16 *) (&AdapterInfo->NVData[0]);\r | |
1391 | \r | |
1392 | sum = 0;\r | |
1393 | addr_len = E100bGetEepromAddrLen (AdapterInfo);\r | |
1394 | \r | |
1395 | //\r | |
1396 | // in words\r | |
1397 | //\r | |
1398 | AdapterInfo->NVData_Len = eeprom_len = (UINT16) (1 << addr_len);\r | |
1399 | for (Index2 = 0, Index = 0; Index < eeprom_len; Index++) {\r | |
1400 | UINT16 value;\r | |
1401 | value = E100bReadEeprom (AdapterInfo, Index, addr_len);\r | |
1402 | eedata[Index] = value;\r | |
1403 | sum = (UINT16) (sum + value);\r | |
1404 | if (Index < 3) {\r | |
1405 | AdapterInfo->PermNodeAddress[Index2++] = (UINT8) value;\r | |
1406 | AdapterInfo->PermNodeAddress[Index2++] = (UINT8) (value >> 8);\r | |
1407 | }\r | |
1408 | }\r | |
1409 | \r | |
1410 | if (sum != 0xBABA) {\r | |
1411 | return -1;\r | |
1412 | }\r | |
1413 | \r | |
1414 | for (Index = 0; Index < PXE_HWADDR_LEN_ETHER; Index++) {\r | |
1415 | AdapterInfo->CurrentNodeAddress[Index] = AdapterInfo->PermNodeAddress[Index];\r | |
1416 | }\r | |
1417 | \r | |
1418 | for (Index = 0; Index < PXE_HWADDR_LEN_ETHER; Index++) {\r | |
1419 | AdapterInfo->BroadcastNodeAddress[Index] = 0xff;\r | |
1420 | }\r | |
1421 | \r | |
1422 | for (Index = PXE_HWADDR_LEN_ETHER; Index < PXE_MAC_LENGTH; Index++) {\r | |
1423 | AdapterInfo->CurrentNodeAddress[Index] = 0;\r | |
1424 | AdapterInfo->PermNodeAddress[Index] = 0;\r | |
1425 | AdapterInfo->BroadcastNodeAddress[Index] = 0;\r | |
1426 | }\r | |
1427 | \r | |
1428 | return 0;\r | |
1429 | }\r | |
1430 | \r | |
1431 | //\r | |
1432 | // CBList is a circular linked list\r | |
1433 | // 1) When all are free, Tail->next == Head and FreeCount == # allocated\r | |
1434 | // 2) When none are free, Tail == Head and FreeCount == 0\r | |
1435 | // 3) when one is free, Tail == Head and Freecount == 1\r | |
1436 | // 4) First non-Free frame is always at Tail->next\r | |
1437 | //\r | |
40834173 | 1438 | \r |
ffa5008a | 1439 | /**\r |
40834173 | 1440 | TODO: Add function description\r |
1441 | \r | |
ffa5008a | 1442 | @param AdapterInfo TODO: add argument description\r |
40834173 | 1443 | \r |
ffa5008a | 1444 | @return TODO: add return values\r |
40834173 | 1445 | \r |
ffa5008a | 1446 | **/\r |
1447 | UINT8\r | |
1448 | SetupCBlink (\r | |
1449 | NIC_DATA_INSTANCE *AdapterInfo\r | |
1450 | )\r | |
40834173 | 1451 | {\r |
1452 | TxCB *head_ptr;\r | |
1453 | TxCB *tail_ptr;\r | |
1454 | TxCB *cur_ptr;\r | |
1455 | INT32 Index;\r | |
1456 | UINTN array_off;\r | |
1457 | \r | |
1458 | cur_ptr = &(AdapterInfo->tx_ring[0]);\r | |
1459 | array_off = (UINTN) (&cur_ptr->TBDArray) - (UINTN) cur_ptr;\r | |
1460 | for (Index = 0; Index < AdapterInfo->TxBufCnt; Index++) {\r | |
1461 | cur_ptr[Index].cb_header.status = 0;\r | |
1462 | cur_ptr[Index].cb_header.command = 0;\r | |
1463 | \r | |
1464 | cur_ptr[Index].PhysTCBAddress =\r | |
1465 | (UINT32) AdapterInfo->tx_phy_addr + (Index * sizeof (TxCB));\r | |
1466 | \r | |
b61439a7 | 1467 | cur_ptr[Index].PhysArrayAddr = (UINT32)(cur_ptr[Index].PhysTCBAddress + array_off);\r |
40834173 | 1468 | cur_ptr[Index].PhysTBDArrayAddres = (UINT32)(cur_ptr[Index].PhysTCBAddress + array_off);\r |
1469 | \r | |
1470 | cur_ptr->free_data_ptr = (UINT64) 0;\r | |
1471 | \r | |
1472 | if (Index < AdapterInfo->TxBufCnt - 1) {\r | |
1473 | cur_ptr[Index].cb_header.link = cur_ptr[Index].PhysTCBAddress + sizeof (TxCB);\r | |
1474 | cur_ptr[Index].NextTCBVirtualLinkPtr = &cur_ptr[Index + 1];\r | |
1475 | cur_ptr[Index + 1].PrevTCBVirtualLinkPtr = &cur_ptr[Index];\r | |
1476 | }\r | |
1477 | }\r | |
1478 | \r | |
1479 | head_ptr = &cur_ptr[0];\r | |
1480 | tail_ptr = &cur_ptr[AdapterInfo->TxBufCnt - 1];\r | |
1481 | tail_ptr->cb_header.link = head_ptr->PhysTCBAddress;\r | |
1482 | tail_ptr->NextTCBVirtualLinkPtr = head_ptr;\r | |
1483 | head_ptr->PrevTCBVirtualLinkPtr = tail_ptr;\r | |
1484 | \r | |
1485 | AdapterInfo->FreeCBCount = AdapterInfo->TxBufCnt;\r | |
1486 | AdapterInfo->FreeTxHeadPtr = head_ptr;\r | |
1487 | //\r | |
1488 | // set tail of the free list, next to this would be either in use\r | |
1489 | // or the head itself\r | |
1490 | //\r | |
1491 | AdapterInfo->FreeTxTailPtr = tail_ptr;\r | |
1492 | \r | |
1493 | AdapterInfo->xmit_done_head = AdapterInfo->xmit_done_tail = 0;\r | |
1494 | \r | |
1495 | return 0;\r | |
1496 | }\r | |
1497 | \r | |
40834173 | 1498 | \r |
ffa5008a | 1499 | /**\r |
40834173 | 1500 | TODO: Add function description\r |
1501 | \r | |
ffa5008a | 1502 | @param AdapterInfo TODO: add argument description\r |
40834173 | 1503 | \r |
ffa5008a | 1504 | @return TODO: add return values\r |
40834173 | 1505 | \r |
ffa5008a | 1506 | **/\r |
1507 | TxCB *\r | |
1508 | GetFreeCB (\r | |
1509 | NIC_DATA_INSTANCE *AdapterInfo\r | |
1510 | )\r | |
40834173 | 1511 | {\r |
1512 | TxCB *free_cb_ptr;\r | |
1513 | \r | |
1514 | //\r | |
1515 | // claim any hanging free CBs\r | |
1516 | //\r | |
1517 | if (AdapterInfo->FreeCBCount <= 1) {\r | |
1518 | CheckCBList (AdapterInfo);\r | |
1519 | }\r | |
1520 | \r | |
1521 | //\r | |
1522 | // don't use up the last CB problem if the previous CB that the CU used\r | |
1523 | // becomes the last CB we submit because of the SUSPEND bit we set.\r | |
1524 | // the CU thinks it was never cleared.\r | |
1525 | //\r | |
1526 | \r | |
1527 | if (AdapterInfo->FreeCBCount <= 1) {\r | |
1528 | return NULL;\r | |
1529 | }\r | |
1530 | \r | |
1531 | BlockIt (AdapterInfo, TRUE);\r | |
1532 | free_cb_ptr = AdapterInfo->FreeTxHeadPtr;\r | |
1533 | AdapterInfo->FreeTxHeadPtr = free_cb_ptr->NextTCBVirtualLinkPtr;\r | |
1534 | --AdapterInfo->FreeCBCount;\r | |
1535 | BlockIt (AdapterInfo, FALSE);\r | |
1536 | return free_cb_ptr;\r | |
1537 | }\r | |
1538 | \r | |
40834173 | 1539 | \r |
ffa5008a | 1540 | /**\r |
40834173 | 1541 | TODO: Add function description\r |
1542 | \r | |
ffa5008a | 1543 | @param AdapterInfo TODO: add argument description\r |
1544 | @param cb_ptr TODO: add argument description\r | |
40834173 | 1545 | \r |
ffa5008a | 1546 | @return TODO: add return values\r |
40834173 | 1547 | \r |
ffa5008a | 1548 | **/\r |
1549 | VOID\r | |
1550 | SetFreeCB (\r | |
1551 | IN NIC_DATA_INSTANCE *AdapterInfo,\r | |
1552 | IN TxCB *cb_ptr\r | |
1553 | )\r | |
40834173 | 1554 | {\r |
1555 | //\r | |
1556 | // here we assume cb are returned in the order they are taken out\r | |
1557 | // and we link the newly freed cb at the tail of free cb list\r | |
1558 | //\r | |
1559 | cb_ptr->cb_header.status = 0;\r | |
1560 | cb_ptr->free_data_ptr = (UINT64) 0;\r | |
1561 | \r | |
1562 | AdapterInfo->FreeTxTailPtr = cb_ptr;\r | |
1563 | ++AdapterInfo->FreeCBCount;\r | |
1564 | return ;\r | |
1565 | }\r | |
1566 | \r | |
40834173 | 1567 | \r |
ffa5008a | 1568 | /**\r |
40834173 | 1569 | TODO: Add function description\r |
1570 | \r | |
ffa5008a | 1571 | @param ind TODO: add argument description\r |
40834173 | 1572 | \r |
ffa5008a | 1573 | @return TODO: add return values\r |
40834173 | 1574 | \r |
ffa5008a | 1575 | **/\r |
1576 | UINT16\r | |
1577 | next (\r | |
1578 | IN UINT16 ind\r | |
1579 | )\r | |
40834173 | 1580 | {\r |
1581 | UINT16 Tmp;\r | |
1582 | \r | |
1583 | Tmp = (UINT16) (ind + 1);\r | |
1584 | if (Tmp >= (TX_BUFFER_COUNT << 1)) {\r | |
1585 | Tmp = 0;\r | |
1586 | }\r | |
1587 | \r | |
1588 | return Tmp;\r | |
1589 | }\r | |
1590 | \r | |
40834173 | 1591 | \r |
ffa5008a | 1592 | /**\r |
40834173 | 1593 | TODO: Add function description\r |
1594 | \r | |
ffa5008a | 1595 | @param AdapterInfo TODO: add argument description\r |
40834173 | 1596 | \r |
ffa5008a | 1597 | @return TODO: add return values\r |
40834173 | 1598 | \r |
ffa5008a | 1599 | **/\r |
1600 | UINT16\r | |
1601 | CheckCBList (\r | |
1602 | IN NIC_DATA_INSTANCE *AdapterInfo\r | |
1603 | )\r | |
40834173 | 1604 | {\r |
1605 | TxCB *Tmp_ptr;\r | |
1606 | UINT16 cnt;\r | |
1607 | \r | |
1608 | cnt = 0;\r | |
1609 | while (1) {\r | |
1610 | Tmp_ptr = AdapterInfo->FreeTxTailPtr->NextTCBVirtualLinkPtr;\r | |
1611 | if ((Tmp_ptr->cb_header.status & CMD_STATUS_MASK) != 0) {\r | |
1612 | //\r | |
1613 | // check if Q is full\r | |
1614 | //\r | |
1615 | if (next (AdapterInfo->xmit_done_tail) != AdapterInfo->xmit_done_head) {\r | |
1616 | AdapterInfo->xmit_done[AdapterInfo->xmit_done_tail] = Tmp_ptr->free_data_ptr;\r | |
1617 | \r | |
1618 | UnMapIt (\r | |
1619 | AdapterInfo,\r | |
1620 | Tmp_ptr->free_data_ptr,\r | |
1621 | Tmp_ptr->TBDArray[0].buf_len,\r | |
1622 | TO_DEVICE,\r | |
1623 | (UINT64) Tmp_ptr->TBDArray[0].phys_buf_addr\r | |
1624 | );\r | |
1625 | \r | |
1626 | AdapterInfo->xmit_done_tail = next (AdapterInfo->xmit_done_tail);\r | |
1627 | }\r | |
1628 | \r | |
1629 | SetFreeCB (AdapterInfo, Tmp_ptr);\r | |
1630 | } else {\r | |
1631 | break;\r | |
1632 | }\r | |
1633 | }\r | |
1634 | \r | |
1635 | return cnt;\r | |
1636 | }\r | |
1637 | //\r | |
1638 | // Description : Initialize the RFD list list by linking each element together\r | |
1639 | // in a circular list. The simplified memory model is used.\r | |
1640 | // All data is in the RFD. The RFDs are linked together and the\r | |
1641 | // last one points back to the first one. When the current RFD\r | |
1642 | // is processed (frame received), its EL bit is set and the EL\r | |
1643 | // bit in the previous RXFD is cleared.\r | |
1644 | // Allocation done during INIT, this is making linked list.\r | |
1645 | //\r | |
40834173 | 1646 | \r |
ffa5008a | 1647 | /**\r |
40834173 | 1648 | TODO: Add function description\r |
1649 | \r | |
ffa5008a | 1650 | @param AdapterInfo TODO: add argument description\r |
40834173 | 1651 | \r |
ffa5008a | 1652 | @return TODO: add return values\r |
40834173 | 1653 | \r |
ffa5008a | 1654 | **/\r |
1655 | UINT8\r | |
1656 | SetupReceiveQueues (\r | |
1657 | IN NIC_DATA_INSTANCE *AdapterInfo\r | |
1658 | )\r | |
40834173 | 1659 | {\r |
1660 | RxFD *rx_ptr;\r | |
1661 | RxFD *tail_ptr;\r | |
1662 | UINT16 Index;\r | |
1663 | \r | |
1664 | AdapterInfo->cur_rx_ind = 0;\r | |
1665 | rx_ptr = (&AdapterInfo->rx_ring[0]);\r | |
1666 | \r | |
1667 | for (Index = 0; Index < AdapterInfo->RxBufCnt; Index++) {\r | |
1668 | rx_ptr[Index].cb_header.status = 0;\r | |
1669 | rx_ptr[Index].cb_header.command = 0;\r | |
1670 | rx_ptr[Index].RFDSize = RX_BUFFER_SIZE;\r | |
1671 | rx_ptr[Index].ActualCount = 0;\r | |
1672 | //\r | |
1673 | // RBDs not used, simple memory model\r | |
1674 | //\r | |
1675 | rx_ptr[Index].rx_buf_addr = (UINT32) (-1);\r | |
1676 | \r | |
1677 | //\r | |
1678 | // RBDs not used, simple memory model\r | |
1679 | //\r | |
1680 | rx_ptr[Index].forwarded = FALSE;\r | |
1681 | \r | |
1682 | //\r | |
1683 | // don't use Tmp_ptr if it is beyond the last one\r | |
1684 | //\r | |
1685 | if (Index < AdapterInfo->RxBufCnt - 1) {\r | |
1686 | rx_ptr[Index].cb_header.link = (UINT32) AdapterInfo->rx_phy_addr + ((Index + 1) * sizeof (RxFD));\r | |
1687 | }\r | |
1688 | }\r | |
1689 | \r | |
1690 | tail_ptr = (&AdapterInfo->rx_ring[AdapterInfo->RxBufCnt - 1]);\r | |
1691 | tail_ptr->cb_header.link = (UINT32) AdapterInfo->rx_phy_addr;\r | |
1692 | \r | |
1693 | //\r | |
1694 | // set the EL bit\r | |
1695 | //\r | |
1696 | tail_ptr->cb_header.command = 0xC000;\r | |
1697 | AdapterInfo->RFDTailPtr = tail_ptr;\r | |
1698 | return 0;\r | |
1699 | }\r | |
1700 | \r | |
40834173 | 1701 | \r |
ffa5008a | 1702 | /**\r |
40834173 | 1703 | TODO: Add function description\r |
1704 | \r | |
ffa5008a | 1705 | @param AdapterInfo TODO: add argument description\r |
1706 | @param rx_index TODO: add argument description\r | |
40834173 | 1707 | \r |
ffa5008a | 1708 | @return TODO: add return values\r |
40834173 | 1709 | \r |
ffa5008a | 1710 | **/\r |
1711 | VOID\r | |
1712 | Recycle_RFD (\r | |
1713 | IN NIC_DATA_INSTANCE *AdapterInfo,\r | |
1714 | IN UINT16 rx_index\r | |
1715 | )\r | |
40834173 | 1716 | {\r |
1717 | RxFD *rx_ptr;\r | |
1718 | RxFD *tail_ptr;\r | |
1719 | //\r | |
1720 | // change the EL bit and change the AdapterInfo->RxTailPtr\r | |
1721 | // rx_ptr is assumed to be the head of the Q\r | |
1722 | // AdapterInfo->rx_forwarded[rx_index] = FALSE;\r | |
1723 | //\r | |
1724 | rx_ptr = &AdapterInfo->rx_ring[rx_index];\r | |
1725 | tail_ptr = AdapterInfo->RFDTailPtr;\r | |
1726 | //\r | |
1727 | // set el_bit and suspend bit\r | |
1728 | //\r | |
1729 | rx_ptr->cb_header.command = 0xc000;\r | |
1730 | rx_ptr->cb_header.status = 0;\r | |
1731 | rx_ptr->ActualCount = 0;\r | |
1732 | rx_ptr->forwarded = FALSE;\r | |
1733 | AdapterInfo->RFDTailPtr = rx_ptr;\r | |
1734 | //\r | |
1735 | // resetting the el_bit.\r | |
1736 | //\r | |
1737 | tail_ptr->cb_header.command = 0;\r | |
1738 | //\r | |
1739 | // check the receive unit, fix if there is any problem\r | |
1740 | //\r | |
1741 | return ;\r | |
1742 | }\r | |
1743 | //\r | |
1744 | // Serial EEPROM section.\r | |
1745 | //\r | |
1746 | // EEPROM_Ctrl bits.\r | |
1747 | //\r | |
1748 | #define EE_SHIFT_CLK 0x01 /* EEPROM shift clock. */\r | |
1749 | #define EE_CS 0x02 /* EEPROM chip select. */\r | |
1750 | #define EE_DI 0x04 /* EEPROM chip data in. */\r | |
1751 | #define EE_WRITE_0 0x01\r | |
1752 | #define EE_WRITE_1 0x05\r | |
1753 | #define EE_DO 0x08 /* EEPROM chip data out. */\r | |
1754 | #define EE_ENB (0x4800 | EE_CS)\r | |
1755 | \r | |
1756 | //\r | |
1757 | // Delay between EEPROM clock transitions.\r | |
1758 | // This will actually work with no delay on 33Mhz PCI.\r | |
1759 | //\r | |
1760 | #define eeprom_delay(nanosec) DelayIt (AdapterInfo, nanosec);\r | |
1761 | \r | |
1762 | //\r | |
1763 | // The EEPROM commands include the alway-set leading bit.\r | |
1764 | //\r | |
1765 | #define EE_WRITE_CMD 5 // 101b\r | |
1766 | #define EE_READ_CMD 6 // 110b\r | |
1767 | #define EE_ERASE_CMD (7 << 6)\r | |
1768 | \r | |
1769 | STATIC\r | |
1770 | VOID\r | |
1771 | shift_bits_out (\r | |
1772 | IN NIC_DATA_INSTANCE *AdapterInfo,\r | |
1773 | IN UINT16 val,\r | |
1774 | IN UINT8 num_bits\r | |
1775 | )\r | |
1776 | /*++\r | |
1777 | \r | |
1778 | Routine Description:\r | |
1779 | \r | |
1780 | TODO: Add function description\r | |
1781 | \r | |
1782 | Arguments:\r | |
1783 | \r | |
1784 | AdapterInfo - TODO: add argument description\r | |
1785 | val - TODO: add argument description\r | |
1786 | num_bits - TODO: add argument description\r | |
1787 | \r | |
1788 | Returns:\r | |
1789 | \r | |
1790 | TODO: add return values\r | |
1791 | \r | |
1792 | --*/\r | |
1793 | {\r | |
1794 | INT32 Index;\r | |
1795 | UINT8 Tmp;\r | |
1796 | UINT32 EEAddr;\r | |
1797 | \r | |
1798 | EEAddr = AdapterInfo->ioaddr + SCBeeprom;\r | |
1799 | \r | |
1800 | for (Index = num_bits; Index >= 0; Index--) {\r | |
1801 | INT16 dataval;\r | |
1802 | \r | |
1803 | //\r | |
1804 | // will be 0 or 4\r | |
1805 | //\r | |
1806 | dataval = (INT16) ((val & (1 << Index)) ? EE_DI : 0);\r | |
1807 | \r | |
1808 | //\r | |
1809 | // mask off the data_in bit\r | |
1810 | //\r | |
1811 | Tmp = (UINT8) (InByte (AdapterInfo, EEAddr) &~EE_DI);\r | |
1812 | Tmp = (UINT8) (Tmp | dataval);\r | |
1813 | OutByte (AdapterInfo, Tmp, EEAddr);\r | |
1814 | eeprom_delay (100);\r | |
1815 | //\r | |
1816 | // raise the eeprom clock\r | |
1817 | //\r | |
1818 | OutByte (AdapterInfo, (UINT8) (Tmp | EE_SHIFT_CLK), EEAddr);\r | |
1819 | eeprom_delay (150);\r | |
1820 | //\r | |
1821 | // lower the eeprom clock\r | |
1822 | //\r | |
1823 | OutByte (AdapterInfo, (UINT8) (Tmp &~EE_SHIFT_CLK), EEAddr);\r | |
1824 | eeprom_delay (150);\r | |
1825 | }\r | |
1826 | }\r | |
1827 | \r | |
40834173 | 1828 | \r |
ffa5008a | 1829 | /**\r |
40834173 | 1830 | TODO: Add function description\r |
1831 | \r | |
ffa5008a | 1832 | @param AdapterInfo TODO: add argument description\r |
40834173 | 1833 | \r |
ffa5008a | 1834 | @return TODO: add return values\r |
40834173 | 1835 | \r |
ffa5008a | 1836 | **/\r |
1837 | STATIC\r | |
1838 | UINT16\r | |
1839 | shift_bits_in (\r | |
1840 | IN NIC_DATA_INSTANCE *AdapterInfo\r | |
1841 | )\r | |
40834173 | 1842 | {\r |
1843 | UINT8 Tmp;\r | |
1844 | INT32 Index;\r | |
1845 | UINT16 retval;\r | |
1846 | UINT32 EEAddr;\r | |
1847 | \r | |
1848 | EEAddr = AdapterInfo->ioaddr + SCBeeprom;\r | |
1849 | \r | |
1850 | retval = 0;\r | |
1851 | for (Index = 15; Index >= 0; Index--) {\r | |
1852 | //\r | |
1853 | // raise the clock\r | |
1854 | //\r | |
1855 | \r | |
1856 | //\r | |
1857 | // mask off the data_in bit\r | |
1858 | //\r | |
1859 | Tmp = InByte (AdapterInfo, EEAddr);\r | |
1860 | OutByte (AdapterInfo, (UINT8) (Tmp | EE_SHIFT_CLK), EEAddr);\r | |
1861 | eeprom_delay (100);\r | |
1862 | Tmp = InByte (AdapterInfo, EEAddr);\r | |
1863 | retval = (UINT16) ((retval << 1) | ((Tmp & EE_DO) ? 1 : 0));\r | |
1864 | //\r | |
1865 | // lower the clock\r | |
1866 | //\r | |
1867 | OutByte (AdapterInfo, (UINT8) (Tmp &~EE_SHIFT_CLK), EEAddr);\r | |
1868 | eeprom_delay (100);\r | |
1869 | }\r | |
1870 | \r | |
1871 | return retval;\r | |
1872 | }\r | |
1873 | \r | |
40834173 | 1874 | \r |
ffa5008a | 1875 | /**\r |
40834173 | 1876 | This routine sets the EEPROM lockout bit to gain exclusive access to the\r |
1877 | eeprom. the access bit is the most significant bit in the General Control\r | |
1878 | Register 2 in the SCB space.\r | |
1879 | \r | |
ffa5008a | 1880 | @param AdapterInfo Pointer to the NIC data structure\r |
1881 | information which the UNDI driver is\r | |
1882 | layering on..\r | |
40834173 | 1883 | \r |
ffa5008a | 1884 | @retval TRUE if it got the access\r |
1885 | @retval FALSE if it fails to get the exclusive access\r | |
40834173 | 1886 | \r |
ffa5008a | 1887 | **/\r |
1888 | STATIC\r | |
1889 | BOOLEAN\r | |
1890 | E100bSetEepromLockOut (\r | |
1891 | IN NIC_DATA_INSTANCE *AdapterInfo\r | |
1892 | )\r | |
40834173 | 1893 | {\r |
1894 | UINTN wait;\r | |
1895 | UINT8 tmp;\r | |
1896 | \r | |
b61439a7 | 1897 | if ((AdapterInfo->DeviceID == D102_DEVICE_ID) ||\r |
40834173 | 1898 | (AdapterInfo->RevID >= D102_REVID)) {\r |
1899 | \r | |
1900 | wait = 500;\r | |
1901 | \r | |
1902 | while (wait--) {\r | |
1903 | \r | |
1904 | tmp = InByte (AdapterInfo, AdapterInfo->ioaddr + SCBGenCtrl2);\r | |
1905 | tmp |= GCR2_EEPROM_ACCESS_SEMAPHORE;\r | |
1906 | OutByte (AdapterInfo, tmp, AdapterInfo->ioaddr + SCBGenCtrl2);\r | |
1907 | \r | |
1908 | DelayIt (AdapterInfo, 50);\r | |
1909 | tmp = InByte (AdapterInfo, AdapterInfo->ioaddr + SCBGenCtrl2);\r | |
1910 | \r | |
1911 | if (tmp & GCR2_EEPROM_ACCESS_SEMAPHORE) {\r | |
1912 | return TRUE;\r | |
1913 | }\r | |
1914 | }\r | |
1915 | \r | |
1916 | return FALSE;\r | |
1917 | }\r | |
1918 | \r | |
1919 | return TRUE;\r | |
1920 | }\r | |
1921 | \r | |
40834173 | 1922 | \r |
ffa5008a | 1923 | /**\r |
40834173 | 1924 | This routine Resets the EEPROM lockout bit to giveup access to the\r |
1925 | eeprom. the access bit is the most significant bit in the General Control\r | |
1926 | Register 2 in the SCB space.\r | |
1927 | \r | |
ffa5008a | 1928 | @param AdapterInfo Pointer to the NIC data structure\r |
1929 | information which the UNDI driver is\r | |
1930 | layering on..\r | |
40834173 | 1931 | \r |
ffa5008a | 1932 | @return None\r |
b61439a7 | 1933 | \r |
ffa5008a | 1934 | **/\r |
1935 | STATIC\r | |
1936 | VOID\r | |
1937 | E100bReSetEepromLockOut (\r | |
1938 | IN NIC_DATA_INSTANCE *AdapterInfo\r | |
1939 | )\r | |
40834173 | 1940 | {\r |
1941 | UINT8 tmp;\r | |
1942 | \r | |
b61439a7 | 1943 | if ((AdapterInfo->DeviceID == D102_DEVICE_ID) ||\r |
40834173 | 1944 | (AdapterInfo->RevID >= D102_REVID)) {\r |
1945 | \r | |
1946 | tmp = InByte (AdapterInfo, AdapterInfo->ioaddr + SCBGenCtrl2);\r | |
1947 | tmp &= ~(GCR2_EEPROM_ACCESS_SEMAPHORE);\r | |
1948 | OutByte (AdapterInfo, tmp, AdapterInfo->ioaddr + SCBGenCtrl2);\r | |
1949 | \r | |
1950 | DelayIt (AdapterInfo, 50);\r | |
1951 | }\r | |
1952 | }\r | |
1953 | \r | |
ffa5008a | 1954 | \r |
1955 | /**\r | |
1956 | Using the NIC data structure information, read the EEPROM to get a Word of data for the MAC address.\r | |
1957 | \r | |
1958 | @param AdapterInfo Pointer to the NIC data structure\r | |
1959 | information which the UNDI driver is\r | |
1960 | layering on..\r | |
1961 | @param Location Word offset into the MAC address to read.\r | |
1962 | @param AddrLen Number of bits of address length.\r | |
1963 | \r | |
1964 | @retval RetVal The word read from the EEPROM.\r | |
1965 | \r | |
1966 | **/\r | |
40834173 | 1967 | UINT16\r |
1968 | E100bReadEeprom (\r | |
1969 | IN NIC_DATA_INSTANCE *AdapterInfo,\r | |
1970 | IN INT32 Location,\r | |
1971 | IN UINT8 AddrLen\r | |
1972 | )\r | |
40834173 | 1973 | {\r |
1974 | UINT16 RetVal;\r | |
1975 | UINT8 Tmp;\r | |
1976 | \r | |
1977 | UINT32 EEAddr;\r | |
1978 | UINT16 ReadCmd;\r | |
1979 | \r | |
1980 | EEAddr = AdapterInfo->ioaddr + SCBeeprom;\r | |
1981 | ReadCmd = (UINT16) (Location | (EE_READ_CMD << AddrLen));\r | |
1982 | \r | |
1983 | RetVal = 0;\r | |
1984 | \r | |
1985 | //\r | |
1986 | // get exclusive access to the eeprom first!\r | |
1987 | //\r | |
1988 | E100bSetEepromLockOut (AdapterInfo);\r | |
1989 | \r | |
1990 | //\r | |
1991 | // eeprom control reg bits: x,x,x,x,DO,DI,CS,SK\r | |
1992 | // to write the opcode+data value out one bit at a time in DI starting at msb\r | |
1993 | // and then out a 1 to sk, wait, out 0 to SK and wait\r | |
1994 | // repeat this for all the bits to be written\r | |
1995 | //\r | |
1996 | \r | |
1997 | //\r | |
1998 | // 11110010b\r | |
1999 | //\r | |
2000 | Tmp = (UINT8) (InByte (AdapterInfo, EEAddr) & 0xF2);\r | |
2001 | OutByte (AdapterInfo, (UINT8) (Tmp | EE_CS), EEAddr);\r | |
2002 | \r | |
2003 | //\r | |
2004 | // 3 for the read opcode 110b\r | |
2005 | //\r | |
2006 | shift_bits_out (AdapterInfo, ReadCmd, (UINT8) (3 + AddrLen));\r | |
2007 | \r | |
2008 | //\r | |
2009 | // read the eeprom word one bit at a time\r | |
2010 | //\r | |
2011 | RetVal = shift_bits_in (AdapterInfo);\r | |
2012 | \r | |
2013 | //\r | |
2014 | // Terminate the EEPROM access and leave eeprom in a clean state.\r | |
2015 | //\r | |
2016 | Tmp = InByte (AdapterInfo, EEAddr);\r | |
2017 | Tmp &= ~(EE_CS | EE_DI);\r | |
2018 | OutByte (AdapterInfo, Tmp, EEAddr);\r | |
2019 | \r | |
2020 | //\r | |
2021 | // raise the clock and lower the eeprom shift clock\r | |
2022 | //\r | |
2023 | OutByte (AdapterInfo, (UINT8) (Tmp | EE_SHIFT_CLK), EEAddr);\r | |
2024 | eeprom_delay (100);\r | |
2025 | \r | |
2026 | OutByte (AdapterInfo, (UINT8) (Tmp &~EE_SHIFT_CLK), EEAddr);\r | |
2027 | eeprom_delay (100);\r | |
2028 | \r | |
2029 | //\r | |
2030 | // giveup access to the eeprom\r | |
2031 | //\r | |
2032 | E100bReSetEepromLockOut (AdapterInfo);\r | |
2033 | \r | |
2034 | return RetVal;\r | |
2035 | }\r | |
2036 | \r | |
40834173 | 2037 | \r |
ffa5008a | 2038 | /**\r |
40834173 | 2039 | Using the NIC data structure information, read the EEPROM to determine how many bits of address length\r |
2040 | this EEPROM is in Words.\r | |
2041 | \r | |
ffa5008a | 2042 | @param AdapterInfo Pointer to the NIC data structure\r |
2043 | information which the UNDI driver is\r | |
2044 | layering on..\r | |
40834173 | 2045 | \r |
ffa5008a | 2046 | @retval RetVal The word read from the EEPROM.\r |
40834173 | 2047 | \r |
ffa5008a | 2048 | **/\r |
2049 | UINT8\r | |
2050 | E100bGetEepromAddrLen (\r | |
2051 | IN NIC_DATA_INSTANCE *AdapterInfo\r | |
2052 | )\r | |
40834173 | 2053 | {\r |
2054 | UINT8 Tmp;\r | |
2055 | UINT8 AddrLen;\r | |
2056 | UINT32 EEAddr;\r | |
2057 | //\r | |
2058 | // assume 64word eeprom (so,6 bits of address_length)\r | |
2059 | //\r | |
2060 | UINT16 ReadCmd;\r | |
2061 | \r | |
2062 | EEAddr = AdapterInfo->ioaddr + SCBeeprom;\r | |
2063 | ReadCmd = (EE_READ_CMD << 6);\r | |
2064 | \r | |
2065 | //\r | |
2066 | // get exclusive access to the eeprom first!\r | |
2067 | //\r | |
2068 | E100bSetEepromLockOut (AdapterInfo);\r | |
2069 | \r | |
2070 | //\r | |
2071 | // address we are trying to read is 0\r | |
2072 | // eeprom control reg bits: x,x,x,x,DO,,DI,,CS,SK\r | |
2073 | // to write the opcode+data value out one bit at a time in DI starting at msb\r | |
2074 | // and then out a 1 to sk, wait, out 0 to SK and wait\r | |
2075 | // repeat this for all the bits to be written\r | |
2076 | //\r | |
2077 | Tmp = (UINT8) (InByte (AdapterInfo, EEAddr) & 0xF2);\r | |
2078 | \r | |
2079 | //\r | |
2080 | // enable eeprom access\r | |
2081 | //\r | |
2082 | OutByte (AdapterInfo, (UINT8) (Tmp | EE_CS), EEAddr);\r | |
2083 | \r | |
2084 | //\r | |
2085 | // 3 for opcode, 6 for the default address len\r | |
2086 | //\r | |
2087 | shift_bits_out (AdapterInfo, ReadCmd, (UINT8) (3 + 6));\r | |
2088 | \r | |
2089 | //\r | |
2090 | // (in case of a 64 word eeprom).\r | |
2091 | // read the "dummy zero" from EE_DO to say that the address we wrote\r | |
2092 | // (six 0s) is accepted, write more zeros (until 8) to get a "dummy zero"\r | |
2093 | //\r | |
2094 | \r | |
2095 | //\r | |
2096 | // assume the smallest\r | |
2097 | //\r | |
2098 | AddrLen = 6;\r | |
2099 | Tmp = InByte (AdapterInfo, EEAddr);\r | |
2100 | while ((AddrLen < 8) && ((Tmp & EE_DO) != 0)) {\r | |
2101 | OutByte (AdapterInfo, (UINT8) (Tmp &~EE_DI), EEAddr);\r | |
2102 | eeprom_delay (100);\r | |
2103 | \r | |
2104 | //\r | |
2105 | // raise the eeprom clock\r | |
2106 | //\r | |
2107 | OutByte (AdapterInfo, (UINT8) (Tmp | EE_SHIFT_CLK), EEAddr);\r | |
2108 | eeprom_delay (150);\r | |
2109 | \r | |
2110 | //\r | |
2111 | // lower the eeprom clock\r | |
2112 | //\r | |
2113 | OutByte (AdapterInfo, (UINT8) (Tmp &~EE_SHIFT_CLK), EEAddr);\r | |
2114 | eeprom_delay (150);\r | |
2115 | Tmp = InByte (AdapterInfo, EEAddr);\r | |
2116 | AddrLen++;\r | |
2117 | }\r | |
2118 | \r | |
2119 | //\r | |
2120 | // read the eeprom word, even though we don't need this\r | |
2121 | //\r | |
2122 | shift_bits_in (AdapterInfo);\r | |
2123 | \r | |
2124 | //\r | |
2125 | // Terminate the EEPROM access.\r | |
2126 | //\r | |
2127 | Tmp = InByte (AdapterInfo, EEAddr);\r | |
2128 | Tmp &= ~(EE_CS | EE_DI);\r | |
2129 | OutByte (AdapterInfo, Tmp, EEAddr);\r | |
2130 | \r | |
2131 | //\r | |
2132 | // raise the clock and lower the eeprom shift clock\r | |
2133 | //\r | |
2134 | OutByte (AdapterInfo, (UINT8) (Tmp | EE_SHIFT_CLK), EEAddr);\r | |
2135 | eeprom_delay (100);\r | |
2136 | \r | |
2137 | OutByte (AdapterInfo, (UINT8) (Tmp &~EE_SHIFT_CLK), EEAddr);\r | |
2138 | eeprom_delay (100);\r | |
2139 | \r | |
2140 | //\r | |
2141 | // giveup access to the eeprom!\r | |
2142 | //\r | |
2143 | E100bReSetEepromLockOut (AdapterInfo);\r | |
2144 | \r | |
2145 | return AddrLen;\r | |
2146 | }\r | |
2147 | \r | |
ffa5008a | 2148 | \r |
2149 | /**\r | |
2150 | TODO: Add function description\r | |
2151 | \r | |
2152 | @param AdapterInfo TODO: add argument description\r | |
2153 | @param DBaddr TODO: add argument description\r | |
2154 | @param DBsize TODO: add argument description\r | |
2155 | \r | |
2156 | @return TODO: add return values\r | |
2157 | \r | |
2158 | **/\r | |
40834173 | 2159 | UINTN\r |
2160 | E100bStatistics (\r | |
2161 | NIC_DATA_INSTANCE *AdapterInfo,\r | |
2162 | UINT64 DBaddr,\r | |
2163 | UINT16 DBsize\r | |
2164 | )\r | |
40834173 | 2165 | {\r |
2166 | PXE_DB_STATISTICS db;\r | |
2167 | //\r | |
2168 | // wait upto one second (each wait is 100 micro s)\r | |
2169 | //\r | |
2170 | UINT32 Wait;\r | |
2171 | Wait = 10000;\r | |
2172 | wait_for_cmd_done (AdapterInfo->ioaddr + SCBCmd);\r | |
2173 | \r | |
2174 | //\r | |
2175 | // Clear statistics done marker.\r | |
2176 | //\r | |
2177 | AdapterInfo->statistics->done_marker = 0;\r | |
2178 | \r | |
2179 | //\r | |
2180 | // Issue statistics dump (or dump w/ reset) command.\r | |
2181 | //\r | |
2182 | OutByte (\r | |
2183 | AdapterInfo,\r | |
2184 | (UINT8) (DBsize ? CU_SHOWSTATS : CU_DUMPSTATS),\r | |
2185 | (UINT32) (AdapterInfo->ioaddr + SCBCmd)\r | |
2186 | );\r | |
2187 | \r | |
2188 | //\r | |
2189 | // Wait for command to complete.\r | |
2190 | //\r | |
2191 | // zero the db here just to chew up a little more time.\r | |
2192 | //\r | |
2193 | \r | |
2194 | ZeroMem ((VOID *) &db, sizeof db);\r | |
2195 | \r | |
2196 | while (Wait != 0) {\r | |
2197 | //\r | |
2198 | // Wait a bit before checking.\r | |
2199 | //\r | |
2200 | \r | |
2201 | DelayIt (AdapterInfo, 100);\r | |
2202 | \r | |
2203 | //\r | |
2204 | // Look for done marker at end of statistics.\r | |
2205 | //\r | |
2206 | \r | |
2207 | switch (AdapterInfo->statistics->done_marker) {\r | |
2208 | case 0xA005:\r | |
2209 | case 0xA007:\r | |
2210 | break;\r | |
2211 | \r | |
2212 | default:\r | |
2213 | Wait--;\r | |
2214 | continue;\r | |
2215 | }\r | |
2216 | \r | |
2217 | //\r | |
2218 | // if we did not "continue" from the above switch, we are done,\r | |
2219 | //\r | |
2220 | break;\r | |
2221 | }\r | |
2222 | \r | |
2223 | //\r | |
2224 | // If this is a reset, we are out of here!\r | |
2225 | //\r | |
2226 | if (DBsize == 0) {\r | |
2227 | return PXE_STATCODE_SUCCESS;\r | |
2228 | }\r | |
2229 | \r | |
2230 | //\r | |
2231 | // Convert NIC statistics counter format to EFI/UNDI\r | |
2232 | // specification statistics counter format.\r | |
2233 | //\r | |
2234 | \r | |
2235 | //\r | |
2236 | // 54 3210 fedc ba98 7654 3210\r | |
2237 | // db.Supported = 01 0000 0100 1101 0001 0111;\r | |
2238 | //\r | |
2239 | db.Supported = 0x104D17;\r | |
2240 | \r | |
2241 | //\r | |
2242 | // Statistics from the NIC\r | |
2243 | //\r | |
2244 | \r | |
2245 | db.Data[0x01] = AdapterInfo->statistics->rx_good_frames;\r | |
2246 | \r | |
2247 | db.Data[0x02] = AdapterInfo->statistics->rx_runt_errs;\r | |
2248 | \r | |
2249 | db.Data[0x08] = AdapterInfo->statistics->rx_crc_errs +\r | |
2250 | AdapterInfo->statistics->rx_align_errs;\r | |
2251 | \r | |
b61439a7 | 2252 | db.Data[0x04] = db.Data[0x02] +\r |
40834173 | 2253 | db.Data[0x08] +\r |
2254 | AdapterInfo->statistics->rx_resource_errs +\r | |
2255 | AdapterInfo->statistics->rx_overrun_errs;\r | |
2256 | \r | |
2257 | db.Data[0x00] = db.Data[0x01] + db.Data[0x04];\r | |
2258 | \r | |
2259 | db.Data[0x0B] = AdapterInfo->statistics->tx_good_frames;\r | |
2260 | \r | |
2261 | db.Data[0x0E] = AdapterInfo->statistics->tx_coll16_errs +\r | |
2262 | AdapterInfo->statistics->tx_late_colls +\r | |
2263 | AdapterInfo->statistics->tx_underruns +\r | |
2264 | AdapterInfo->statistics->tx_one_colls +\r | |
2265 | AdapterInfo->statistics->tx_multi_colls;\r | |
2266 | \r | |
2267 | db.Data[0x14] = AdapterInfo->statistics->tx_total_colls;\r | |
2268 | \r | |
2269 | db.Data[0x0A] = db.Data[0x0B] +\r | |
2270 | db.Data[0x0E] +\r | |
2271 | AdapterInfo->statistics->tx_lost_carrier;\r | |
2272 | \r | |
2273 | if (DBsize > sizeof db) {\r | |
2274 | DBsize = sizeof db;\r | |
2275 | }\r | |
2276 | \r | |
2277 | CopyMem ((VOID *) (UINTN) DBaddr, (VOID *) &db, (UINTN) DBsize);\r | |
2278 | \r | |
2279 | return PXE_STATCODE_SUCCESS;\r | |
2280 | }\r | |
2281 | \r | |
40834173 | 2282 | \r |
ffa5008a | 2283 | /**\r |
40834173 | 2284 | TODO: Add function description\r |
2285 | \r | |
ffa5008a | 2286 | @param AdapterInfo TODO: add argument description\r |
2287 | @param OpFlags TODO: add argument description\r | |
40834173 | 2288 | \r |
ffa5008a | 2289 | @return TODO: add return values\r |
40834173 | 2290 | \r |
ffa5008a | 2291 | **/\r |
2292 | UINTN\r | |
2293 | E100bReset (\r | |
2294 | IN NIC_DATA_INSTANCE *AdapterInfo,\r | |
2295 | IN INT32 OpFlags\r | |
2296 | )\r | |
40834173 | 2297 | {\r |
2298 | \r | |
2299 | UINT16 save_filter;\r | |
2300 | //\r | |
2301 | // disable the interrupts\r | |
2302 | //\r | |
2303 | OutWord (AdapterInfo, INT_MASK, AdapterInfo->ioaddr + SCBCmd);\r | |
2304 | \r | |
2305 | //\r | |
2306 | // wait for the tx queue to complete\r | |
2307 | //\r | |
2308 | CheckCBList (AdapterInfo);\r | |
2309 | \r | |
2310 | XmitWaitForCompletion (AdapterInfo);\r | |
2311 | \r | |
2312 | if (AdapterInfo->Receive_Started) {\r | |
2313 | StopRU (AdapterInfo);\r | |
2314 | }\r | |
2315 | \r | |
2316 | InitializeChip (AdapterInfo);\r | |
2317 | \r | |
2318 | //\r | |
2319 | // check the opflags and restart receive filters\r | |
2320 | //\r | |
2321 | if ((OpFlags & PXE_OPFLAGS_RESET_DISABLE_FILTERS) == 0) {\r | |
2322 | \r | |
2323 | save_filter = AdapterInfo->Rx_Filter;\r | |
2324 | //\r | |
2325 | // if we give the filter same as Rx_Filter,\r | |
2326 | // this routine will not set mcast list (it thinks there is no change)\r | |
2327 | // to force it, we will reset that flag in the Rx_Filter\r | |
2328 | //\r | |
2329 | AdapterInfo->Rx_Filter &= (~PXE_OPFLAGS_RECEIVE_FILTER_FILTERED_MULTICAST);\r | |
2330 | E100bSetfilter (AdapterInfo, save_filter, (UINT64) 0, (UINT32) 0);\r | |
2331 | }\r | |
2332 | \r | |
2333 | if ((OpFlags & PXE_OPFLAGS_RESET_DISABLE_INTERRUPTS) != 0) {\r | |
2334 | //\r | |
2335 | // disable the interrupts\r | |
2336 | //\r | |
2337 | AdapterInfo->int_mask = 0;\r | |
2338 | }\r | |
2339 | //\r | |
2340 | // else leave the interrupt in the pre-set state!!!\r | |
2341 | //\r | |
2342 | E100bSetInterruptState (AdapterInfo);\r | |
2343 | \r | |
2344 | return 0;\r | |
2345 | }\r | |
2346 | \r | |
40834173 | 2347 | \r |
ffa5008a | 2348 | /**\r |
40834173 | 2349 | TODO: Add function description\r |
2350 | \r | |
ffa5008a | 2351 | @param AdapterInfo TODO: add argument description\r |
40834173 | 2352 | \r |
ffa5008a | 2353 | @return TODO: add return values\r |
40834173 | 2354 | \r |
ffa5008a | 2355 | **/\r |
2356 | UINTN\r | |
2357 | E100bShutdown (\r | |
2358 | IN NIC_DATA_INSTANCE *AdapterInfo\r | |
2359 | )\r | |
40834173 | 2360 | {\r |
2361 | //\r | |
2362 | // disable the interrupts\r | |
2363 | //\r | |
2364 | OutWord (AdapterInfo, INT_MASK, AdapterInfo->ioaddr + SCBCmd);\r | |
2365 | \r | |
2366 | //\r | |
2367 | // stop the receive unit\r | |
2368 | //\r | |
2369 | if (AdapterInfo->Receive_Started) {\r | |
2370 | StopRU (AdapterInfo);\r | |
2371 | }\r | |
2372 | \r | |
2373 | //\r | |
2374 | // wait for the tx queue to complete\r | |
2375 | //\r | |
2376 | CheckCBList (AdapterInfo);\r | |
2377 | if (AdapterInfo->FreeCBCount != AdapterInfo->TxBufCnt) {\r | |
2378 | wait_for_cmd_done (AdapterInfo->ioaddr + SCBCmd);\r | |
2379 | }\r | |
2380 | \r | |
2381 | //\r | |
2382 | // we do not want to reset the phy, it takes a long time to renegotiate the\r | |
2383 | // link after that (3-4 seconds)\r | |
2384 | //\r | |
2385 | InitializeChip (AdapterInfo);\r | |
2386 | SelectiveReset (AdapterInfo);\r | |
2387 | return 0;\r | |
2388 | }\r | |
2389 | \r | |
ffa5008a | 2390 | \r |
2391 | /**\r | |
2392 | This routine will write a value to the specified MII register\r | |
2393 | of an external MDI compliant device (e.g. PHY 100). The command will\r | |
2394 | execute in polled mode.\r | |
2395 | \r | |
2396 | @param AdapterInfo pointer to the structure that contains\r | |
2397 | the NIC's context.\r | |
2398 | @param RegAddress The MII register that we are writing to\r | |
2399 | @param PhyAddress The MDI address of the Phy component.\r | |
2400 | @param DataValue The value that we are writing to the MII\r | |
2401 | register.\r | |
2402 | \r | |
2403 | @return nothing\r | |
2404 | \r | |
2405 | **/\r | |
40834173 | 2406 | VOID\r |
2407 | MdiWrite (\r | |
2408 | IN NIC_DATA_INSTANCE *AdapterInfo,\r | |
2409 | IN UINT8 RegAddress,\r | |
2410 | IN UINT8 PhyAddress,\r | |
2411 | IN UINT16 DataValue\r | |
2412 | )\r | |
40834173 | 2413 | {\r |
2414 | UINT32 WriteCommand;\r | |
2415 | \r | |
2416 | WriteCommand = ((UINT32) DataValue) |\r | |
b61439a7 | 2417 | ((UINT32)(RegAddress << 16)) |\r |
40834173 | 2418 | ((UINT32)(PhyAddress << 21)) |\r |
2419 | ((UINT32)(MDI_WRITE << 26));\r | |
2420 | \r | |
2421 | //\r | |
2422 | // Issue the write command to the MDI control register.\r | |
2423 | //\r | |
2424 | OutLong (AdapterInfo, WriteCommand, AdapterInfo->ioaddr + SCBCtrlMDI);\r | |
2425 | \r | |
2426 | //\r | |
2427 | // wait 20usec before checking status\r | |
2428 | //\r | |
2429 | DelayIt (AdapterInfo, 20);\r | |
2430 | \r | |
2431 | //\r | |
2432 | // poll for the mdi write to complete\r | |
b61439a7 | 2433 | while ((InLong (AdapterInfo, AdapterInfo->ioaddr + SCBCtrlMDI) &\r |
40834173 | 2434 | MDI_PHY_READY) == 0){\r |
2435 | DelayIt (AdapterInfo, 20);\r | |
2436 | }\r | |
2437 | }\r | |
2438 | \r | |
ffa5008a | 2439 | \r |
2440 | /**\r | |
2441 | This routine will read a value from the specified MII register\r | |
2442 | of an external MDI compliant device (e.g. PHY 100), and return\r | |
2443 | it to the calling routine. The command will execute in polled mode.\r | |
2444 | \r | |
2445 | @param AdapterInfo pointer to the structure that contains\r | |
2446 | the NIC's context.\r | |
2447 | @param RegAddress The MII register that we are reading from\r | |
2448 | @param PhyAddress The MDI address of the Phy component.\r | |
2449 | @param DataValue pointer to the value that we read from\r | |
2450 | the MII register.\r | |
2451 | \r | |
2452 | \r | |
2453 | **/\r | |
40834173 | 2454 | VOID\r |
2455 | MdiRead (\r | |
2456 | IN NIC_DATA_INSTANCE *AdapterInfo,\r | |
2457 | IN UINT8 RegAddress,\r | |
2458 | IN UINT8 PhyAddress,\r | |
2459 | IN OUT UINT16 *DataValue\r | |
2460 | )\r | |
40834173 | 2461 | {\r |
2462 | UINT32 ReadCommand;\r | |
2463 | \r | |
2464 | ReadCommand = ((UINT32) (RegAddress << 16)) |\r | |
2465 | ((UINT32) (PhyAddress << 21)) |\r | |
2466 | ((UINT32) (MDI_READ << 26));\r | |
2467 | \r | |
2468 | //\r | |
2469 | // Issue the read command to the MDI control register.\r | |
2470 | //\r | |
2471 | OutLong (AdapterInfo, ReadCommand, AdapterInfo->ioaddr + SCBCtrlMDI);\r | |
2472 | \r | |
2473 | //\r | |
2474 | // wait 20usec before checking status\r | |
2475 | //\r | |
2476 | DelayIt (AdapterInfo, 20);\r | |
2477 | \r | |
2478 | //\r | |
2479 | // poll for the mdi read to complete\r | |
2480 | //\r | |
2481 | while ((InLong (AdapterInfo, AdapterInfo->ioaddr + SCBCtrlMDI) &\r | |
2482 | MDI_PHY_READY) == 0) {\r | |
2483 | DelayIt (AdapterInfo, 20);\r | |
2484 | \r | |
2485 | }\r | |
2486 | \r | |
2487 | *DataValue = InWord (AdapterInfo, AdapterInfo->ioaddr + SCBCtrlMDI);\r | |
2488 | }\r | |
2489 | \r | |
40834173 | 2490 | \r |
ffa5008a | 2491 | /**\r |
2492 | This routine will reset the PHY that the adapter is currently\r | |
2493 | configured to use.\r | |
b61439a7 | 2494 | \r |
ffa5008a | 2495 | @param AdapterInfo pointer to the structure that contains\r |
2496 | the NIC's context.\r | |
40834173 | 2497 | \r |
b61439a7 | 2498 | \r |
ffa5008a | 2499 | **/\r |
2500 | VOID\r | |
2501 | PhyReset (\r | |
2502 | NIC_DATA_INSTANCE *AdapterInfo\r | |
2503 | )\r | |
40834173 | 2504 | {\r |
2505 | UINT16 MdiControlReg;\r | |
2506 | \r | |
b61439a7 | 2507 | MdiControlReg = (MDI_CR_AUTO_SELECT |\r |
2508 | MDI_CR_RESTART_AUTO_NEG |\r | |
40834173 | 2509 | MDI_CR_RESET);\r |
2510 | \r | |
2511 | //\r | |
2512 | // Write the MDI control register with our new Phy configuration\r | |
2513 | //\r | |
2514 | MdiWrite (\r | |
2515 | AdapterInfo,\r | |
2516 | MDI_CONTROL_REG,\r | |
2517 | AdapterInfo->PhyAddress,\r | |
2518 | MdiControlReg\r | |
2519 | );\r | |
2520 | \r | |
2521 | return ;\r | |
2522 | }\r | |
2523 | \r | |
ffa5008a | 2524 | \r |
2525 | /**\r | |
2526 | This routine will detect what phy we are using, set the line\r | |
2527 | speed, FDX or HDX, and configure the phy if necessary.\r | |
2528 | The following combinations are supported:\r | |
2529 | - TX or T4 PHY alone at PHY address 1\r | |
2530 | - T4 or TX PHY at address 1 and MII PHY at address 0\r | |
2531 | - 82503 alone (10Base-T mode, no full duplex support)\r | |
2532 | - 82503 and MII PHY (TX or T4) at address 0\r | |
2533 | The sequence / priority of detection is as follows:\r | |
2534 | - PHY 1 with cable termination\r | |
2535 | - PHY 0 with cable termination\r | |
2536 | - PHY 1 (if found) without cable termination\r | |
2537 | - 503 interface\r | |
2538 | Additionally auto-negotiation capable (NWAY) and parallel\r | |
2539 | detection PHYs are supported. The flow-chart is described in\r | |
2540 | the 82557 software writer's manual.\r | |
2541 | NOTE: 1. All PHY MDI registers are read in polled mode.\r | |
2542 | 2. The routines assume that the 82557 has been RESET and we have\r | |
2543 | obtained the virtual memory address of the CSR.\r | |
2544 | 3. PhyDetect will not RESET the PHY.\r | |
2545 | 4. If FORCEFDX is set, SPEED should also be set. The driver will\r | |
2546 | check the values for inconsistency with the detected PHY\r | |
2547 | technology.\r | |
2548 | 5. PHY 1 (the PHY on the adapter) may have an address in the range\r | |
2549 | 1 through 31 inclusive. The driver will accept addresses in\r | |
2550 | this range.\r | |
2551 | 6. Driver ignores FORCEFDX and SPEED overrides if a 503 interface\r | |
2552 | is detected.\r | |
2553 | \r | |
2554 | @param AdapterInfo pointer to the structure that contains\r | |
2555 | the NIC's context.\r | |
2556 | \r | |
2557 | @retval TRUE If a Phy was detected, and configured\r | |
2558 | correctly.\r | |
2559 | @retval FALSE If a valid phy could not be detected and\r | |
2560 | configured.\r | |
2561 | \r | |
2562 | **/\r | |
40834173 | 2563 | BOOLEAN\r |
2564 | PhyDetect (\r | |
2565 | NIC_DATA_INSTANCE *AdapterInfo\r | |
2566 | )\r | |
40834173 | 2567 | {\r |
2568 | UINT16 *eedata;\r | |
2569 | UINT16 MdiControlReg;\r | |
2570 | UINT16 MdiStatusReg;\r | |
2571 | BOOLEAN FoundPhy1;\r | |
2572 | UINT8 ReNegotiateTime;\r | |
2573 | \r | |
2574 | eedata = (UINT16 *) (&AdapterInfo->NVData[0]);\r | |
2575 | \r | |
2576 | FoundPhy1 = FALSE;\r | |
2577 | ReNegotiateTime = 35;\r | |
2578 | //\r | |
2579 | // EEPROM word [6] contains the Primary PHY record in which the least 3 bits\r | |
2580 | // indicate the PHY address\r | |
2581 | // and word [7] contains the secondary PHY record\r | |
2582 | //\r | |
2583 | AdapterInfo->PhyRecord[0] = eedata[6];\r | |
2584 | AdapterInfo->PhyRecord[1] = eedata[7];\r | |
2585 | AdapterInfo->PhyAddress = (UINT8) (AdapterInfo->PhyRecord[0] & 7);\r | |
2586 | \r | |
2587 | //\r | |
2588 | // Check for a phy address over-ride of 32 which indicates force use of 82503\r | |
2589 | // not detecting the link in this case\r | |
2590 | //\r | |
2591 | if (AdapterInfo->PhyAddress == 32) {\r | |
2592 | //\r | |
2593 | // 503 interface over-ride\r | |
2594 | // Record the current speed and duplex. We will be in half duplex\r | |
2595 | // mode unless the user used the force full duplex over-ride.\r | |
2596 | //\r | |
2597 | AdapterInfo->LinkSpeed = 10;\r | |
2598 | return (TRUE);\r | |
2599 | }\r | |
2600 | \r | |
2601 | //\r | |
2602 | // If the Phy Address is between 1-31 then we must first look for phy 1,\r | |
2603 | // at that address.\r | |
2604 | //\r | |
2605 | if ((AdapterInfo->PhyAddress > 0) && (AdapterInfo->PhyAddress < 32)) {\r | |
2606 | \r | |
2607 | //\r | |
2608 | // Read the MDI control and status registers at phy 1\r | |
2609 | // and check if we found a valid phy\r | |
2610 | //\r | |
2611 | MdiRead (\r | |
2612 | AdapterInfo,\r | |
2613 | MDI_CONTROL_REG,\r | |
2614 | AdapterInfo->PhyAddress,\r | |
2615 | &MdiControlReg\r | |
2616 | );\r | |
2617 | \r | |
2618 | MdiRead (\r | |
2619 | AdapterInfo,\r | |
2620 | MDI_STATUS_REG,\r | |
2621 | AdapterInfo->PhyAddress,\r | |
2622 | &MdiStatusReg\r | |
2623 | );\r | |
2624 | \r | |
b61439a7 | 2625 | if (!((MdiControlReg == 0xffff) ||\r |
40834173 | 2626 | ((MdiStatusReg == 0) && (MdiControlReg == 0)))) {\r |
2627 | \r | |
2628 | //\r | |
2629 | // we have a valid phy1\r | |
2630 | // Read the status register again because of sticky bits\r | |
2631 | //\r | |
2632 | FoundPhy1 = TRUE;\r | |
2633 | MdiRead (\r | |
2634 | AdapterInfo,\r | |
2635 | MDI_STATUS_REG,\r | |
2636 | AdapterInfo->PhyAddress,\r | |
2637 | &MdiStatusReg\r | |
2638 | );\r | |
2639 | \r | |
2640 | //\r | |
2641 | // If there is a valid link then use this Phy.\r | |
2642 | //\r | |
2643 | if (MdiStatusReg & MDI_SR_LINK_STATUS) {\r | |
2644 | return (SetupPhy(AdapterInfo));\r | |
2645 | }\r | |
2646 | }\r | |
2647 | }\r | |
2648 | \r | |
2649 | //\r | |
2650 | // Next try to detect a PHY at address 0x00 because there was no Phy 1,\r | |
2651 | // or Phy 1 didn't have link, or we had a phy 0 over-ride\r | |
2652 | //\r | |
2653 | \r | |
2654 | //\r | |
2655 | // Read the MDI control and status registers at phy 0\r | |
2656 | //\r | |
2657 | MdiRead (AdapterInfo, MDI_CONTROL_REG, 0, &MdiControlReg);\r | |
2658 | MdiRead (AdapterInfo, MDI_STATUS_REG, 0, &MdiStatusReg);\r | |
2659 | \r | |
2660 | //\r | |
2661 | // check if we found a valid phy 0\r | |
2662 | //\r | |
2663 | if (((MdiControlReg == 0xffff) ||\r | |
2664 | ((MdiStatusReg == 0) && (MdiControlReg == 0)))) {\r | |
2665 | \r | |
2666 | //\r | |
2667 | // we don't have a valid phy at address 0\r | |
2668 | // if phy address was forced to 0, then error out because we\r | |
2669 | // didn't find a phy at that address\r | |
2670 | //\r | |
2671 | if (AdapterInfo->PhyAddress == 0x0000) {\r | |
2672 | return (FALSE);\r | |
2673 | } else {\r | |
2674 | //\r | |
2675 | // at this point phy1 does not have link and there is no phy 0 at all\r | |
2676 | // if we are forced to detect the cable, error out here!\r | |
2677 | //\r | |
2678 | if (AdapterInfo->CableDetect != 0) {\r | |
2679 | return FALSE;\r | |
2680 | \r | |
2681 | }\r | |
2682 | \r | |
2683 | if (FoundPhy1) {\r | |
2684 | //\r | |
2685 | // no phy 0, but there is a phy 1 (no link I guess), so use phy 1\r | |
2686 | //\r | |
2687 | return SetupPhy (AdapterInfo);\r | |
2688 | } else {\r | |
2689 | //\r | |
2690 | // didn't find phy 0 or phy 1, so assume a 503 interface\r | |
2691 | //\r | |
2692 | AdapterInfo->PhyAddress = 32;\r | |
2693 | \r | |
2694 | //\r | |
2695 | // Record the current speed and duplex. We'll be in half duplex\r | |
2696 | // mode unless the user used the force full duplex over-ride.\r | |
2697 | //\r | |
2698 | AdapterInfo->LinkSpeed = 10;\r | |
2699 | return (TRUE);\r | |
2700 | }\r | |
2701 | }\r | |
2702 | } else {\r | |
2703 | //\r | |
2704 | // We have a valid phy at address 0. If phy 0 has a link then we use\r | |
2705 | // phy 0. If Phy 0 doesn't have a link then we use Phy 1 (no link)\r | |
2706 | // if phy 1 is present, or phy 0 if phy 1 is not present\r | |
2707 | // If phy 1 was present, then we must isolate phy 1 before we enable\r | |
2708 | // phy 0 to see if Phy 0 has a link.\r | |
2709 | //\r | |
2710 | if (FoundPhy1) {\r | |
2711 | //\r | |
2712 | // isolate phy 1\r | |
2713 | //\r | |
2714 | MdiWrite (\r | |
2715 | AdapterInfo,\r | |
2716 | MDI_CONTROL_REG,\r | |
2717 | AdapterInfo->PhyAddress,\r | |
2718 | MDI_CR_ISOLATE\r | |
2719 | );\r | |
2720 | \r | |
2721 | //\r | |
2722 | // wait 100 microseconds for the phy to isolate.\r | |
2723 | //\r | |
2724 | DelayIt (AdapterInfo, 100);\r | |
2725 | }\r | |
2726 | \r | |
2727 | //\r | |
2728 | // Since this Phy is at address 0, we must enable it. So clear\r | |
2729 | // the isolate bit, and set the auto-speed select bit\r | |
2730 | //\r | |
2731 | MdiWrite (\r | |
2732 | AdapterInfo,\r | |
2733 | MDI_CONTROL_REG,\r | |
2734 | 0,\r | |
2735 | MDI_CR_AUTO_SELECT\r | |
2736 | );\r | |
2737 | \r | |
2738 | //\r | |
2739 | // wait 100 microseconds for the phy to be enabled.\r | |
2740 | //\r | |
2741 | DelayIt (AdapterInfo, 100);\r | |
2742 | \r | |
2743 | //\r | |
2744 | // restart the auto-negotion process\r | |
2745 | //\r | |
2746 | MdiWrite (\r | |
2747 | AdapterInfo,\r | |
2748 | MDI_CONTROL_REG,\r | |
2749 | 0,\r | |
2750 | MDI_CR_RESTART_AUTO_NEG | MDI_CR_AUTO_SELECT\r | |
2751 | );\r | |
2752 | \r | |
2753 | //\r | |
2754 | // wait no more than 3.5 seconds for auto-negotiation to complete\r | |
2755 | //\r | |
2756 | while (ReNegotiateTime) {\r | |
2757 | //\r | |
2758 | // Read the status register twice because of sticky bits\r | |
2759 | //\r | |
2760 | MdiRead (AdapterInfo, MDI_STATUS_REG, 0, &MdiStatusReg);\r | |
2761 | MdiRead (AdapterInfo, MDI_STATUS_REG, 0, &MdiStatusReg);\r | |
2762 | \r | |
2763 | if (MdiStatusReg & MDI_SR_AUTO_NEG_COMPLETE) {\r | |
2764 | break;\r | |
2765 | }\r | |
2766 | \r | |
2767 | DelayIt (AdapterInfo, 100);\r | |
2768 | ReNegotiateTime--;\r | |
2769 | }\r | |
2770 | \r | |
2771 | //\r | |
2772 | // Read the status register again because of sticky bits\r | |
2773 | //\r | |
2774 | MdiRead (AdapterInfo, MDI_STATUS_REG, 0, &MdiStatusReg);\r | |
2775 | \r | |
2776 | //\r | |
2777 | // If the link was not set\r | |
2778 | //\r | |
2779 | if ((MdiStatusReg & MDI_SR_LINK_STATUS) == 0) {\r | |
2780 | //\r | |
2781 | // PHY1 does not have a link and phy 0 does not have a link\r | |
2782 | // do not proceed if we need to detect the link!\r | |
2783 | //\r | |
2784 | if (AdapterInfo->CableDetect != 0) {\r | |
2785 | return FALSE;\r | |
2786 | }\r | |
2787 | \r | |
2788 | //\r | |
2789 | // the link wasn't set, so use phy 1 if phy 1 was present\r | |
2790 | //\r | |
2791 | if (FoundPhy1) {\r | |
2792 | //\r | |
2793 | // isolate phy 0\r | |
2794 | //\r | |
2795 | MdiWrite (AdapterInfo, MDI_CONTROL_REG, 0, MDI_CR_ISOLATE);\r | |
2796 | \r | |
2797 | //\r | |
2798 | // wait 100 microseconds for the phy to isolate.\r | |
2799 | //\r | |
2800 | DelayIt (AdapterInfo, 100);\r | |
2801 | \r | |
2802 | //\r | |
2803 | // Now re-enable PHY 1\r | |
2804 | //\r | |
2805 | MdiWrite (\r | |
2806 | AdapterInfo,\r | |
2807 | MDI_CONTROL_REG,\r | |
2808 | AdapterInfo->PhyAddress,\r | |
2809 | MDI_CR_AUTO_SELECT\r | |
2810 | );\r | |
2811 | \r | |
2812 | //\r | |
2813 | // wait 100 microseconds for the phy to be enabled\r | |
2814 | //\r | |
2815 | DelayIt (AdapterInfo, 100);\r | |
2816 | \r | |
2817 | //\r | |
2818 | // restart the auto-negotion process\r | |
2819 | //\r | |
2820 | MdiWrite (\r | |
2821 | AdapterInfo,\r | |
2822 | MDI_CONTROL_REG,\r | |
2823 | AdapterInfo->PhyAddress,\r | |
2824 | MDI_CR_RESTART_AUTO_NEG | MDI_CR_AUTO_SELECT\r | |
2825 | );\r | |
2826 | \r | |
2827 | //\r | |
2828 | // Don't wait for it to complete (we didn't have link earlier)\r | |
2829 | //\r | |
2830 | return (SetupPhy (AdapterInfo));\r | |
2831 | }\r | |
2832 | }\r | |
2833 | \r | |
2834 | //\r | |
2835 | // Definitely using Phy 0\r | |
2836 | //\r | |
2837 | AdapterInfo->PhyAddress = 0;\r | |
2838 | return (SetupPhy(AdapterInfo));\r | |
2839 | }\r | |
2840 | }\r | |
2841 | \r | |
ffa5008a | 2842 | \r |
2843 | /**\r | |
2844 | This routine will setup phy 1 or phy 0 so that it is configured\r | |
2845 | to match a speed and duplex over-ride option. If speed or\r | |
2846 | duplex mode is not explicitly specified in the registry, the\r | |
2847 | driver will skip the speed and duplex over-ride code, and\r | |
2848 | assume the adapter is automatically setting the line speed, and\r | |
2849 | the duplex mode. At the end of this routine, any truly Phy\r | |
2850 | specific code will be executed (each Phy has its own quirks,\r | |
2851 | and some require that certain special bits are set).\r | |
2852 | NOTE: The driver assumes that SPEED and FORCEFDX are specified at the\r | |
2853 | same time. If FORCEDPX is set without speed being set, the driver\r | |
2854 | will encouter a fatal error and log a message into the event viewer.\r | |
2855 | \r | |
2856 | @param AdapterInfo pointer to the structure that contains\r | |
2857 | the NIC's context.\r | |
2858 | \r | |
2859 | @retval TRUE If the phy could be configured correctly\r | |
2860 | @retval FALSE If the phy couldn't be configured\r | |
2861 | correctly, because an unsupported\r | |
2862 | over-ride option was used\r | |
2863 | \r | |
2864 | **/\r | |
40834173 | 2865 | BOOLEAN\r |
2866 | SetupPhy (\r | |
2867 | IN NIC_DATA_INSTANCE *AdapterInfo\r | |
2868 | )\r | |
40834173 | 2869 | {\r |
2870 | UINT16 MdiControlReg;\r | |
2871 | UINT16 MdiStatusReg;\r | |
2872 | UINT16 MdiIdLowReg;\r | |
2873 | UINT16 MdiIdHighReg;\r | |
2874 | UINT16 MdiMiscReg;\r | |
2875 | UINT32 PhyId;\r | |
2876 | BOOLEAN ForcePhySetting;\r | |
2877 | \r | |
2878 | ForcePhySetting = FALSE;\r | |
2879 | \r | |
2880 | //\r | |
2881 | // If we are NOT forcing a setting for line speed or full duplex, then\r | |
2882 | // we won't force a link setting, and we'll jump down to the phy\r | |
2883 | // specific code.\r | |
2884 | //\r | |
2885 | if (((AdapterInfo->LinkSpeedReq) || (AdapterInfo->DuplexReq))) {\r | |
2886 | //\r | |
2887 | // Find out what kind of technology this Phy is capable of.\r | |
2888 | //\r | |
2889 | MdiRead (\r | |
2890 | AdapterInfo,\r | |
2891 | MDI_STATUS_REG,\r | |
2892 | AdapterInfo->PhyAddress,\r | |
2893 | &MdiStatusReg\r | |
2894 | );\r | |
2895 | \r | |
2896 | //\r | |
2897 | // Read the MDI control register at our phy\r | |
2898 | //\r | |
2899 | MdiRead (\r | |
2900 | AdapterInfo,\r | |
2901 | MDI_CONTROL_REG,\r | |
2902 | AdapterInfo->PhyAddress,\r | |
2903 | &MdiControlReg\r | |
2904 | );\r | |
2905 | \r | |
2906 | //\r | |
2907 | // Now check the validity of our forced option. If the force option is\r | |
2908 | // valid, then force the setting. If the force option is not valid,\r | |
2909 | // we'll set a flag indicating that we should error out.\r | |
2910 | //\r | |
2911 | \r | |
2912 | //\r | |
2913 | // If speed is forced to 10mb\r | |
2914 | //\r | |
2915 | if (AdapterInfo->LinkSpeedReq == 10) {\r | |
2916 | //\r | |
2917 | // If half duplex is forced\r | |
2918 | //\r | |
2919 | if ((AdapterInfo->DuplexReq & PXE_FORCE_HALF_DUPLEX) != 0) {\r | |
2920 | if (MdiStatusReg & MDI_SR_10T_HALF_DPX) {\r | |
2921 | \r | |
2922 | MdiControlReg &= ~(MDI_CR_10_100 | MDI_CR_AUTO_SELECT | MDI_CR_FULL_HALF);\r | |
2923 | ForcePhySetting = TRUE;\r | |
2924 | }\r | |
2925 | } else if ((AdapterInfo->DuplexReq & PXE_FORCE_FULL_DUPLEX) != 0) {\r | |
2926 | \r | |
2927 | //\r | |
2928 | // If full duplex is forced\r | |
2929 | //\r | |
2930 | if (MdiStatusReg & MDI_SR_10T_FULL_DPX) {\r | |
2931 | \r | |
2932 | MdiControlReg &= ~(MDI_CR_10_100 | MDI_CR_AUTO_SELECT);\r | |
2933 | MdiControlReg |= MDI_CR_FULL_HALF;\r | |
2934 | ForcePhySetting = TRUE;\r | |
2935 | }\r | |
2936 | } else {\r | |
2937 | //\r | |
2938 | // If auto duplex (we actually set phy to 1/2)\r | |
2939 | //\r | |
2940 | if (MdiStatusReg & (MDI_SR_10T_FULL_DPX | MDI_SR_10T_HALF_DPX)) {\r | |
2941 | \r | |
2942 | MdiControlReg &= ~(MDI_CR_10_100 | MDI_CR_AUTO_SELECT | MDI_CR_FULL_HALF);\r | |
2943 | ForcePhySetting = TRUE;\r | |
2944 | }\r | |
2945 | }\r | |
2946 | }\r | |
2947 | \r | |
2948 | //\r | |
2949 | // If speed is forced to 100mb\r | |
2950 | //\r | |
2951 | else if (AdapterInfo->LinkSpeedReq == 100) {\r | |
2952 | //\r | |
2953 | // If half duplex is forced\r | |
2954 | //\r | |
2955 | if ((AdapterInfo->DuplexReq & PXE_FORCE_HALF_DUPLEX) != 0) {\r | |
2956 | if (MdiStatusReg & (MDI_SR_TX_HALF_DPX | MDI_SR_T4_CAPABLE)) {\r | |
2957 | \r | |
2958 | MdiControlReg &= ~(MDI_CR_AUTO_SELECT | MDI_CR_FULL_HALF);\r | |
2959 | MdiControlReg |= MDI_CR_10_100;\r | |
2960 | ForcePhySetting = TRUE;\r | |
2961 | }\r | |
2962 | } else if ((AdapterInfo->DuplexReq & PXE_FORCE_FULL_DUPLEX) != 0) {\r | |
2963 | //\r | |
2964 | // If full duplex is forced\r | |
2965 | //\r | |
2966 | if (MdiStatusReg & MDI_SR_TX_FULL_DPX) {\r | |
2967 | MdiControlReg &= ~MDI_CR_AUTO_SELECT;\r | |
2968 | MdiControlReg |= (MDI_CR_10_100 | MDI_CR_FULL_HALF);\r | |
2969 | ForcePhySetting = TRUE;\r | |
2970 | }\r | |
2971 | } else {\r | |
2972 | //\r | |
2973 | // If auto duplex (we set phy to 1/2)\r | |
2974 | //\r | |
2975 | if (MdiStatusReg & (MDI_SR_TX_HALF_DPX | MDI_SR_T4_CAPABLE)) {\r | |
2976 | \r | |
2977 | MdiControlReg &= ~(MDI_CR_AUTO_SELECT | MDI_CR_FULL_HALF);\r | |
2978 | MdiControlReg |= MDI_CR_10_100;\r | |
2979 | ForcePhySetting = TRUE;\r | |
2980 | }\r | |
2981 | }\r | |
2982 | }\r | |
2983 | \r | |
2984 | if (!ForcePhySetting) {\r | |
2985 | return (FALSE);\r | |
2986 | }\r | |
2987 | \r | |
2988 | //\r | |
2989 | // Write the MDI control register with our new Phy configuration\r | |
2990 | //\r | |
2991 | MdiWrite (\r | |
2992 | AdapterInfo,\r | |
2993 | MDI_CONTROL_REG,\r | |
2994 | AdapterInfo->PhyAddress,\r | |
2995 | MdiControlReg\r | |
2996 | );\r | |
2997 | \r | |
2998 | //\r | |
2999 | // wait 100 milliseconds for auto-negotiation to complete\r | |
3000 | //\r | |
3001 | DelayIt (AdapterInfo, 100);\r | |
3002 | }\r | |
3003 | \r | |
3004 | //\r | |
3005 | // Find out specifically what Phy this is. We do this because for certain\r | |
3006 | // phys there are specific bits that must be set so that the phy and the\r | |
3007 | // 82557 work together properly.\r | |
3008 | //\r | |
3009 | \r | |
3010 | MdiRead (\r | |
3011 | AdapterInfo,\r | |
3012 | PHY_ID_REG_1,\r | |
3013 | AdapterInfo->PhyAddress,\r | |
3014 | &MdiIdLowReg\r | |
3015 | );\r | |
3016 | MdiRead (\r | |
3017 | AdapterInfo,\r | |
3018 | PHY_ID_REG_2,\r | |
3019 | AdapterInfo->PhyAddress,\r | |
3020 | &MdiIdHighReg\r | |
3021 | );\r | |
3022 | \r | |
3023 | PhyId = ((UINT32) MdiIdLowReg | ((UINT32) MdiIdHighReg << 16));\r | |
3024 | \r | |
3025 | //\r | |
3026 | // And out the revsion field of the Phy ID so that we'll be able to detect\r | |
3027 | // future revs of the same Phy.\r | |
3028 | //\r | |
3029 | PhyId &= PHY_MODEL_REV_ID_MASK;\r | |
3030 | \r | |
3031 | //\r | |
3032 | // Handle the National TX\r | |
3033 | //\r | |
3034 | if (PhyId == PHY_NSC_TX) {\r | |
3035 | \r | |
3036 | MdiRead (\r | |
3037 | AdapterInfo,\r | |
3038 | NSC_CONG_CONTROL_REG,\r | |
3039 | AdapterInfo->PhyAddress,\r | |
3040 | &MdiMiscReg\r | |
3041 | );\r | |
3042 | \r | |
3043 | MdiMiscReg |= (NSC_TX_CONG_TXREADY | NSC_TX_CONG_F_CONNECT);\r | |
3044 | \r | |
3045 | MdiWrite (\r | |
3046 | AdapterInfo,\r | |
3047 | NSC_CONG_CONTROL_REG,\r | |
3048 | AdapterInfo->PhyAddress,\r | |
3049 | MdiMiscReg\r | |
3050 | );\r | |
3051 | }\r | |
3052 | \r | |
3053 | FindPhySpeedAndDpx (AdapterInfo, PhyId);\r | |
3054 | \r | |
3055 | //\r | |
3056 | // We put a hardware fix on to our adapters to work-around the PHY_100 errata\r | |
3057 | // described below. The following code is only compiled in, if we wanted\r | |
3058 | // to attempt a software workaround to the PHY_100 A/B step problem.\r | |
3059 | //\r | |
3060 | \r | |
3061 | return (TRUE);\r | |
3062 | }\r | |
3063 | \r | |
ffa5008a | 3064 | \r |
3065 | /**\r | |
3066 | This routine will figure out what line speed and duplex mode\r | |
3067 | the PHY is currently using.\r | |
3068 | \r | |
3069 | @param AdapterInfo pointer to the structure that contains\r | |
3070 | the NIC's context.\r | |
3071 | @param PhyId The ID of the PHY in question.\r | |
3072 | \r | |
3073 | @return NOTHING\r | |
3074 | \r | |
3075 | **/\r | |
40834173 | 3076 | VOID\r |
3077 | FindPhySpeedAndDpx (\r | |
3078 | IN NIC_DATA_INSTANCE *AdapterInfo,\r | |
3079 | IN UINT32 PhyId\r | |
3080 | )\r | |
40834173 | 3081 | {\r |
3082 | UINT16 MdiStatusReg;\r | |
3083 | UINT16 MdiMiscReg;\r | |
3084 | UINT16 MdiOwnAdReg;\r | |
3085 | UINT16 MdiLinkPartnerAdReg;\r | |
3086 | \r | |
3087 | //\r | |
3088 | // If there was a speed and/or duplex override, then set our current\r | |
3089 | // value accordingly\r | |
3090 | //\r | |
3091 | AdapterInfo->LinkSpeed = AdapterInfo->LinkSpeedReq;\r | |
b61439a7 | 3092 | AdapterInfo->Duplex = (UINT8) ((AdapterInfo->DuplexReq & PXE_FORCE_FULL_DUPLEX) ?\r |
40834173 | 3093 | FULL_DUPLEX : HALF_DUPLEX);\r |
3094 | \r | |
3095 | //\r | |
3096 | // If speed and duplex were forced, then we know our current settings, so\r | |
3097 | // we'll just return. Otherwise, we'll need to figure out what NWAY set\r | |
3098 | // us to.\r | |
3099 | //\r | |
3100 | if (AdapterInfo->LinkSpeed && AdapterInfo->Duplex) {\r | |
3101 | return ;\r | |
3102 | \r | |
3103 | }\r | |
3104 | //\r | |
3105 | // If we didn't have a valid link, then we'll assume that our current\r | |
3106 | // speed is 10mb half-duplex.\r | |
3107 | //\r | |
3108 | \r | |
3109 | //\r | |
3110 | // Read the status register twice because of sticky bits\r | |
3111 | //\r | |
3112 | MdiRead (\r | |
3113 | AdapterInfo,\r | |
3114 | MDI_STATUS_REG,\r | |
3115 | AdapterInfo->PhyAddress,\r | |
3116 | &MdiStatusReg\r | |
3117 | );\r | |
3118 | MdiRead (\r | |
3119 | AdapterInfo,\r | |
3120 | MDI_STATUS_REG,\r | |
3121 | AdapterInfo->PhyAddress,\r | |
3122 | &MdiStatusReg\r | |
3123 | );\r | |
3124 | \r | |
3125 | //\r | |
3126 | // If there wasn't a valid link then use default speed & duplex\r | |
3127 | //\r | |
3128 | if (!(MdiStatusReg & MDI_SR_LINK_STATUS)) {\r | |
3129 | \r | |
3130 | AdapterInfo->LinkSpeed = 10;\r | |
3131 | AdapterInfo->Duplex = HALF_DUPLEX;\r | |
3132 | return ;\r | |
3133 | }\r | |
3134 | \r | |
3135 | //\r | |
3136 | // If this is an Intel PHY (a T4 PHY_100 or a TX PHY_TX), then read bits\r | |
3137 | // 1 and 0 of extended register 0, to get the current speed and duplex\r | |
3138 | // settings.\r | |
3139 | //\r | |
3140 | if ((PhyId == PHY_100_A) || (PhyId == PHY_100_C) || (PhyId == PHY_TX_ID)) {\r | |
3141 | //\r | |
3142 | // Read extended register 0\r | |
3143 | //\r | |
3144 | MdiRead (\r | |
3145 | AdapterInfo,\r | |
3146 | EXTENDED_REG_0,\r | |
3147 | AdapterInfo->PhyAddress,\r | |
3148 | &MdiMiscReg\r | |
3149 | );\r | |
3150 | \r | |
3151 | //\r | |
3152 | // Get current speed setting\r | |
3153 | //\r | |
3154 | if (MdiMiscReg & PHY_100_ER0_SPEED_INDIC) {\r | |
3155 | AdapterInfo->LinkSpeed = 100;\r | |
3156 | } else {\r | |
3157 | AdapterInfo->LinkSpeed = 10;\r | |
3158 | }\r | |
3159 | \r | |
3160 | //\r | |
3161 | // Get current duplex setting -- if bit is set then FDX is enabled\r | |
3162 | //\r | |
3163 | if (MdiMiscReg & PHY_100_ER0_FDX_INDIC) {\r | |
3164 | AdapterInfo->Duplex = FULL_DUPLEX;\r | |
3165 | } else {\r | |
3166 | AdapterInfo->Duplex = HALF_DUPLEX;\r | |
3167 | }\r | |
3168 | \r | |
3169 | return ;\r | |
3170 | }\r | |
3171 | //\r | |
3172 | // Read our link partner's advertisement register\r | |
3173 | //\r | |
3174 | MdiRead (\r | |
3175 | AdapterInfo,\r | |
3176 | AUTO_NEG_LINK_PARTNER_REG,\r | |
3177 | AdapterInfo->PhyAddress,\r | |
3178 | &MdiLinkPartnerAdReg\r | |
3179 | );\r | |
3180 | \r | |
3181 | //\r | |
3182 | // See if Auto-Negotiation was complete (bit 5, reg 1)\r | |
3183 | //\r | |
3184 | MdiRead (\r | |
3185 | AdapterInfo,\r | |
3186 | MDI_STATUS_REG,\r | |
3187 | AdapterInfo->PhyAddress,\r | |
3188 | &MdiStatusReg\r | |
3189 | );\r | |
3190 | \r | |
3191 | //\r | |
3192 | // If a True NWAY connection was made, then we can detect speed/duplex by\r | |
3193 | // ANDing our adapter's advertised abilities with our link partner's\r | |
3194 | // advertised ablilities, and then assuming that the highest common\r | |
3195 | // denominator was chosed by NWAY.\r | |
3196 | //\r | |
b61439a7 | 3197 | if ((MdiLinkPartnerAdReg & NWAY_LP_ABILITY) &&\r |
40834173 | 3198 | (MdiStatusReg & MDI_SR_AUTO_NEG_COMPLETE)) {\r |
3199 | \r | |
3200 | //\r | |
3201 | // Read our advertisement register\r | |
3202 | //\r | |
3203 | MdiRead (\r | |
3204 | AdapterInfo,\r | |
3205 | AUTO_NEG_ADVERTISE_REG,\r | |
3206 | AdapterInfo->PhyAddress,\r | |
3207 | &MdiOwnAdReg\r | |
3208 | );\r | |
3209 | \r | |
3210 | //\r | |
3211 | // AND the two advertisement registers together, and get rid of any\r | |
3212 | // extraneous bits.\r | |
3213 | //\r | |
3214 | MdiOwnAdReg = (UINT16) (MdiOwnAdReg & (MdiLinkPartnerAdReg & NWAY_LP_ABILITY));\r | |
3215 | \r | |
3216 | //\r | |
3217 | // Get speed setting\r | |
3218 | //\r | |
3219 | if (MdiOwnAdReg & (NWAY_AD_TX_HALF_DPX | NWAY_AD_TX_FULL_DPX | NWAY_AD_T4_CAPABLE)) {\r | |
3220 | AdapterInfo->LinkSpeed = 100;\r | |
3221 | } else {\r | |
3222 | AdapterInfo->LinkSpeed = 10;\r | |
3223 | }\r | |
3224 | \r | |
3225 | //\r | |
3226 | // Get duplex setting -- use priority resolution algorithm\r | |
3227 | //\r | |
3228 | if (MdiOwnAdReg & (NWAY_AD_T4_CAPABLE)) {\r | |
3229 | AdapterInfo->Duplex = HALF_DUPLEX;\r | |
3230 | return ;\r | |
3231 | } else if (MdiOwnAdReg & (NWAY_AD_TX_FULL_DPX)) {\r | |
3232 | AdapterInfo->Duplex = FULL_DUPLEX;\r | |
3233 | return ;\r | |
3234 | } else if (MdiOwnAdReg & (NWAY_AD_TX_HALF_DPX)) {\r | |
3235 | AdapterInfo->Duplex = HALF_DUPLEX;\r | |
3236 | return ;\r | |
3237 | } else if (MdiOwnAdReg & (NWAY_AD_10T_FULL_DPX)) {\r | |
3238 | AdapterInfo->Duplex = FULL_DUPLEX;\r | |
3239 | return ;\r | |
3240 | } else {\r | |
3241 | AdapterInfo->Duplex = HALF_DUPLEX;\r | |
3242 | return ;\r | |
3243 | }\r | |
3244 | }\r | |
3245 | \r | |
3246 | //\r | |
3247 | // If we are connected to a dumb (non-NWAY) repeater or hub, and the line\r | |
3248 | // speed was determined automatically by parallel detection, then we have\r | |
3249 | // no way of knowing exactly what speed the PHY is set to unless that PHY\r | |
3250 | // has a propietary register which indicates speed in this situation. The\r | |
3251 | // NSC TX PHY does have such a register. Also, since NWAY didn't establish\r | |
3252 | // the connection, the duplex setting should HALF duplex.\r | |
3253 | //\r | |
3254 | AdapterInfo->Duplex = HALF_DUPLEX;\r | |
3255 | \r | |
3256 | if (PhyId == PHY_NSC_TX) {\r | |
3257 | //\r | |
3258 | // Read register 25 to get the SPEED_10 bit\r | |
3259 | //\r | |
3260 | MdiRead (\r | |
3261 | AdapterInfo,\r | |
3262 | NSC_SPEED_IND_REG,\r | |
3263 | AdapterInfo->PhyAddress,\r | |
3264 | &MdiMiscReg\r | |
3265 | );\r | |
3266 | \r | |
3267 | //\r | |
3268 | // If bit 6 was set then we're at 10mb\r | |
3269 | //\r | |
3270 | if (MdiMiscReg & NSC_TX_SPD_INDC_SPEED) {\r | |
3271 | AdapterInfo->LinkSpeed = 10;\r | |
3272 | } else {\r | |
3273 | AdapterInfo->LinkSpeed = 100;\r | |
3274 | }\r | |
3275 | }\r | |
3276 | \r | |
3277 | //\r | |
3278 | // If we don't know what line speed we are set at, then we'll default to\r | |
3279 | // 10mbs\r | |
3280 | //\r | |
3281 | else {\r | |
3282 | AdapterInfo->LinkSpeed = 10;\r | |
3283 | }\r | |
3284 | }\r | |
3285 | \r | |
40834173 | 3286 | \r |
ffa5008a | 3287 | /**\r |
40834173 | 3288 | TODO: Add function description\r |
3289 | \r | |
ffa5008a | 3290 | @param AdapterInfo TODO: add argument description\r |
40834173 | 3291 | \r |
ffa5008a | 3292 | @return TODO: add return values\r |
40834173 | 3293 | \r |
ffa5008a | 3294 | **/\r |
3295 | VOID\r | |
3296 | XmitWaitForCompletion (\r | |
3297 | NIC_DATA_INSTANCE *AdapterInfo\r | |
3298 | )\r | |
40834173 | 3299 | {\r |
3300 | TxCB *TxPtr;\r | |
3301 | \r | |
3302 | if (AdapterInfo->FreeCBCount == AdapterInfo->TxBufCnt) {\r | |
3303 | return ;\r | |
3304 | }\r | |
3305 | \r | |
3306 | //\r | |
3307 | // used xmit cb list starts right after the free tail (ends before the\r | |
3308 | // free head ptr)\r | |
3309 | //\r | |
3310 | TxPtr = AdapterInfo->FreeTxTailPtr->NextTCBVirtualLinkPtr;\r | |
3311 | while (TxPtr != AdapterInfo->FreeTxHeadPtr) {\r | |
3312 | CommandWaitForCompletion (TxPtr, AdapterInfo);\r | |
3313 | SetFreeCB (AdapterInfo, TxPtr);\r | |
3314 | TxPtr = TxPtr->NextTCBVirtualLinkPtr;\r | |
3315 | }\r | |
3316 | }\r | |
3317 | \r | |
40834173 | 3318 | \r |
ffa5008a | 3319 | /**\r |
40834173 | 3320 | TODO: Add function description\r |
3321 | \r | |
ffa5008a | 3322 | @param cmd_ptr TODO: add argument description\r |
3323 | @param AdapterInfo TODO: add argument description\r | |
40834173 | 3324 | \r |
ffa5008a | 3325 | @return TODO: add return values\r |
40834173 | 3326 | \r |
ffa5008a | 3327 | **/\r |
3328 | INT8\r | |
3329 | CommandWaitForCompletion (\r | |
3330 | TxCB *cmd_ptr,\r | |
3331 | NIC_DATA_INSTANCE *AdapterInfo\r | |
3332 | )\r | |
40834173 | 3333 | {\r |
3334 | INT16 wait;\r | |
3335 | wait = 5000;\r | |
3336 | while ((cmd_ptr->cb_header.status == 0) && (--wait > 0)) {\r | |
3337 | DelayIt (AdapterInfo, 10);\r | |
3338 | }\r | |
3339 | \r | |
3340 | if (cmd_ptr->cb_header.status == 0) {\r | |
3341 | return -1;\r | |
3342 | }\r | |
3343 | \r | |
3344 | return 0;\r | |
3345 | }\r | |
3346 | \r | |
40834173 | 3347 | \r |
ffa5008a | 3348 | /**\r |
40834173 | 3349 | TODO: Add function description\r |
3350 | \r | |
ffa5008a | 3351 | @param AdapterInfo TODO: add argument description\r |
40834173 | 3352 | \r |
ffa5008a | 3353 | @return TODO: add return values\r |
40834173 | 3354 | \r |
ffa5008a | 3355 | **/\r |
3356 | STATIC\r | |
3357 | INT8\r | |
3358 | SoftwareReset (\r | |
3359 | NIC_DATA_INSTANCE *AdapterInfo\r | |
3360 | )\r | |
40834173 | 3361 | {\r |
3362 | UINT8 tco_stat;\r | |
3363 | UINT16 wait;\r | |
3364 | \r | |
3365 | tco_stat = 0;\r | |
3366 | \r | |
3367 | //\r | |
3368 | // Reset the chip: stop Tx and Rx processes and clear counters.\r | |
3369 | // This takes less than 10usec and will easily finish before the next\r | |
3370 | // action.\r | |
3371 | //\r | |
3372 | \r | |
3373 | OutLong (AdapterInfo, PORT_RESET, AdapterInfo->ioaddr + SCBPort);\r | |
3374 | //\r | |
3375 | // wait for 5 milli seconds here!\r | |
3376 | //\r | |
3377 | DelayIt (AdapterInfo, 5000);\r | |
3378 | //\r | |
3379 | // TCO Errata work around for 559s only\r | |
3380 | // -----------------------------------------------------------------------------------\r | |
3381 | // TCO Workaround Code\r | |
3382 | // haifa workaround\r | |
3383 | // -----------------------------------------------------------------------------------\r | |
3384 | // 1. Issue SW-RST ^^^ (already done above)\r | |
3385 | // 2. Issue a redundant Set CU Base CMD immediately\r | |
3386 | // Do not set the General Pointer before the Set CU Base cycle\r | |
3387 | // Do not check the SCB CMD before the Set CU Base cycle\r | |
3388 | // 3. Wait for the SCB-CMD to be cleared\r | |
3389 | // this indicates the transition to post-driver\r | |
3390 | // 4. Poll the TCO-Req bit in the PMDR to be cleared\r | |
3391 | // this indicates the tco activity has stopped for real\r | |
3392 | // 5. Proceed with the nominal Driver Init:\r | |
3393 | // Actual Set CU & RU Base ...\r | |
3394 | //\r | |
3395 | // Check for ICH2 device ID. If this is an ICH2,\r | |
3396 | // do the TCO workaround code.\r | |
3397 | //\r | |
3398 | if (AdapterInfo->VendorID == D102_DEVICE_ID ||\r | |
3399 | AdapterInfo->VendorID == ICH3_DEVICE_ID_1 ||\r | |
3400 | AdapterInfo->VendorID == ICH3_DEVICE_ID_2 ||\r | |
3401 | AdapterInfo->VendorID == ICH3_DEVICE_ID_3 ||\r | |
3402 | AdapterInfo->VendorID == ICH3_DEVICE_ID_4 ||\r | |
3403 | AdapterInfo->VendorID == ICH3_DEVICE_ID_5 ||\r | |
3404 | AdapterInfo->VendorID == ICH3_DEVICE_ID_6 ||\r | |
3405 | AdapterInfo->VendorID == ICH3_DEVICE_ID_7 ||\r | |
3406 | AdapterInfo->VendorID == ICH3_DEVICE_ID_8 ||\r | |
3407 | AdapterInfo->RevID >= 8) { // do the TCO fix\r | |
3408 | //\r | |
3409 | // donot load the scb pointer but just give load_cu cmd.\r | |
3410 | //\r | |
3411 | OutByte (AdapterInfo, CU_CMD_BASE, AdapterInfo->ioaddr + SCBCmd);\r | |
3412 | //\r | |
3413 | // wait for command to be accepted.\r | |
3414 | //\r | |
3415 | wait_for_cmd_done (AdapterInfo->ioaddr + SCBCmd);\r | |
3416 | //\r | |
3417 | // read PMDR register and check bit 1 in it to see if TCO is active\r | |
3418 | //\r | |
3419 | \r | |
3420 | //\r | |
3421 | // wait for 5 milli seconds\r | |
3422 | //\r | |
3423 | wait = 5000;\r | |
3424 | while (wait) {\r | |
3425 | tco_stat = InByte (AdapterInfo, AdapterInfo->ioaddr + 0x1b);\r | |
3426 | if ((tco_stat & 2) == 0) {\r | |
3427 | //\r | |
3428 | // is the activity bit clear??\r | |
3429 | //\r | |
3430 | break;\r | |
3431 | }\r | |
3432 | \r | |
3433 | wait--;\r | |
3434 | DelayIt (AdapterInfo, 1);\r | |
3435 | }\r | |
3436 | \r | |
3437 | if ((tco_stat & 2) != 0) {\r | |
3438 | //\r | |
3439 | // not zero??\r | |
3440 | //\r | |
3441 | return -1;\r | |
3442 | }\r | |
3443 | }\r | |
3444 | \r | |
3445 | return 0;\r | |
3446 | }\r | |
3447 | \r | |
40834173 | 3448 | \r |
ffa5008a | 3449 | /**\r |
40834173 | 3450 | TODO: Add function description\r |
3451 | \r | |
ffa5008a | 3452 | @param AdapterInfo TODO: add argument description\r |
40834173 | 3453 | \r |
ffa5008a | 3454 | @return TODO: add return values\r |
40834173 | 3455 | \r |
ffa5008a | 3456 | **/\r |
3457 | UINT8\r | |
3458 | SelectiveReset (\r | |
3459 | IN NIC_DATA_INSTANCE *AdapterInfo\r | |
3460 | )\r | |
40834173 | 3461 | {\r |
3462 | UINT16 wait;\r | |
3463 | UINT32 stat;\r | |
3464 | \r | |
3465 | wait = 10;\r | |
3466 | stat = 0;\r | |
3467 | OutLong (AdapterInfo, POR_SELECTIVE_RESET, AdapterInfo->ioaddr + SCBPort);\r | |
3468 | //\r | |
3469 | // wait for this to complete\r | |
3470 | //\r | |
3471 | \r | |
3472 | //\r | |
3473 | // wait for 2 milli seconds here!\r | |
3474 | //\r | |
3475 | DelayIt (AdapterInfo, 2000);\r | |
3476 | while (wait > 0) {\r | |
3477 | wait--;\r | |
3478 | stat = InLong (AdapterInfo, AdapterInfo->ioaddr + SCBPort);\r | |
3479 | if (stat == 0) {\r | |
3480 | break;\r | |
3481 | }\r | |
3482 | \r | |
3483 | //\r | |
3484 | // wait for 1 milli second\r | |
3485 | //\r | |
3486 | DelayIt (AdapterInfo, 1000);\r | |
3487 | }\r | |
3488 | \r | |
3489 | if (stat != 0) {\r | |
3490 | return PXE_STATCODE_DEVICE_FAILURE;\r | |
3491 | }\r | |
3492 | \r | |
3493 | return 0;\r | |
3494 | }\r | |
3495 | \r | |
40834173 | 3496 | \r |
ffa5008a | 3497 | /**\r |
40834173 | 3498 | TODO: Add function description\r |
3499 | \r | |
ffa5008a | 3500 | @param AdapterInfo TODO: add argument description\r |
40834173 | 3501 | \r |
ffa5008a | 3502 | @return TODO: add return values\r |
40834173 | 3503 | \r |
ffa5008a | 3504 | **/\r |
3505 | UINT16\r | |
3506 | InitializeChip (\r | |
3507 | IN NIC_DATA_INSTANCE *AdapterInfo\r | |
3508 | )\r | |
40834173 | 3509 | {\r |
3510 | UINT16 ret_val;\r | |
3511 | if (SoftwareReset (AdapterInfo) != 0) {\r | |
3512 | return PXE_STATCODE_DEVICE_FAILURE;\r | |
3513 | }\r | |
3514 | \r | |
3515 | //\r | |
3516 | // disable interrupts\r | |
3517 | //\r | |
3518 | OutWord (AdapterInfo, INT_MASK, AdapterInfo->ioaddr + SCBCmd);\r | |
3519 | \r | |
3520 | //\r | |
3521 | // Load the base registers with 0s (we will give the complete address as\r | |
3522 | // offset later when we issue any command\r | |
3523 | //\r | |
3524 | if ((ret_val = Load_Base_Regs (AdapterInfo)) != 0) {\r | |
3525 | return ret_val;\r | |
3526 | }\r | |
3527 | \r | |
3528 | if ((ret_val = SetupCBlink (AdapterInfo)) != 0) {\r | |
3529 | return ret_val;\r | |
3530 | }\r | |
3531 | \r | |
3532 | if ((ret_val = SetupReceiveQueues (AdapterInfo)) != 0) {\r | |
3533 | return ret_val;\r | |
3534 | }\r | |
3535 | \r | |
3536 | //\r | |
3537 | // detect the PHY only if we need to detect the cable as requested by the\r | |
3538 | // initialize parameters\r | |
3539 | //\r | |
3540 | AdapterInfo->PhyAddress = 0xFF;\r | |
3541 | \r | |
3542 | if (AdapterInfo->CableDetect != 0) {\r | |
3543 | if (!PhyDetect (AdapterInfo)) {\r | |
3544 | return PXE_STATCODE_DEVICE_FAILURE;\r | |
3545 | }\r | |
3546 | }\r | |
3547 | \r | |
3548 | if ((ret_val = E100bSetupIAAddr (AdapterInfo)) != 0) {\r | |
3549 | return ret_val;\r | |
3550 | }\r | |
3551 | \r | |
3552 | if ((ret_val = Configure (AdapterInfo)) != 0) {\r | |
3553 | return ret_val;\r | |
3554 | }\r | |
3555 | \r | |
3556 | return 0;\r | |
3557 | }\r |