VirtualBox

source: vbox/trunk/src/VBox/Devices/Network/DevE1000Phy.cpp@ 103914

Last change on this file since 103914 was 98172, checked in by vboxsync, 21 months ago

Devices/Network: Wrapped the cppunit tests tstDevEEPROM and tstDevPhy to IPRT testing.

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1/** $Id: DevE1000Phy.cpp 98172 2023-01-21 13:01:48Z vboxsync $ */
2/** @file
3 * DevE1000Phy - Intel 82540EM Ethernet Controller Internal PHY Emulation.
4 *
5 * Implemented in accordance with the specification:
6 * PCI/PCI-X Family of Gigabit Ethernet Controllers Software Developer's
7 * Manual 82540EP/EM, 82541xx, 82544GC/EI, 82545GM/EM, 82546GB/EB, and
8 * 82547xx
9 *
10 * 317453-002 Revision 3.5
11 */
12
13/*
14 * Copyright (C) 2007-2023 Oracle and/or its affiliates.
15 *
16 * This file is part of VirtualBox base platform packages, as
17 * available from https://www.virtualbox.org.
18 *
19 * This program is free software; you can redistribute it and/or
20 * modify it under the terms of the GNU General Public License
21 * as published by the Free Software Foundation, in version 3 of the
22 * License.
23 *
24 * This program is distributed in the hope that it will be useful, but
25 * WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
27 * General Public License for more details.
28 *
29 * You should have received a copy of the GNU General Public License
30 * along with this program; if not, see <https://www.gnu.org/licenses>.
31 *
32 * SPDX-License-Identifier: GPL-3.0-only
33 */
34
35#define LOG_GROUP LOG_GROUP_DEV_E1000
36
37/** @todo Remove me! For now I want asserts to work in release code. */
38// #ifndef RT_STRICT
39// #define RT_STRICT
40#include <iprt/assert.h>
41// #undef RT_STRICT
42// #endif
43
44#include <iprt/errcore.h>
45#include <VBox/log.h>
46#ifdef IN_RING3
47# include <VBox/vmm/pdmdev.h>
48#endif
49#include "DevE1000Phy.h"
50
51/* Little helpers ************************************************************/
52#ifdef PHY_UNIT_TEST
53# ifdef CPP_UNIT
54# include <stdio.h>
55# define PhyLog(a) printf a
56# else
57# include <iprt/test.h>
58# define PhyLogC99(...) RTTestIPrintf(RTTESTLVL_ALWAYS, __VA_ARGS__)
59# define PhyLog(a) PhyLogC99 a
60# endif
61#else /* !PHY_UNIT_TEST */
62# define PhyLog(a) Log(a)
63#endif /* !PHY_UNIT_TEST */
64
65#define REG(x) pPhy->au16Regs[x##_IDX]
66
67
68/* Internals */
69namespace Phy {
70#if defined(LOG_ENABLED) || defined(PHY_UNIT_TEST)
71 /** Retrieves state name by id */
72 static const char * getStateName(uint16_t u16State);
73#endif
74 /** Look up register index by address. */
75 static int lookupRegister(uint32_t u32Address);
76 /** Software-triggered reset. */
77 static void softReset(PPHY pPhy, PPDMDEVINS pDevIns);
78
79 /** Read callback. */
80 typedef uint16_t FNREAD(PPHY pPhy, uint32_t index, PPDMDEVINS pDevIns);
81 /** Write callback. */
82 typedef void FNWRITE(PPHY pPhy, uint32_t index, uint16_t u16Value, PPDMDEVINS pDevIns);
83
84 /** @name Generic handlers
85 * @{ */
86 static FNREAD regReadDefault;
87 static FNWRITE regWriteDefault;
88 static FNREAD regReadForbidden;
89 static FNWRITE regWriteForbidden;
90 static FNREAD regReadUnimplemented;
91 static FNWRITE regWriteUnimplemented;
92 /** @} */
93 /** @name Register-specific handlers
94 * @{ */
95 static FNWRITE regWritePCTRL;
96 static FNREAD regReadPSTATUS;
97 static FNREAD regReadGSTATUS;
98 /** @} */
99
100 /**
101 * PHY register map table.
102 *
103 * Override pfnRead and pfnWrite to implement register-specific behavior.
104 */
105 static struct RegMap_st
106 {
107 /** PHY register address. */
108 uint32_t u32Address;
109 /** Read callback. */
110 FNREAD *pfnRead;
111 /** Write callback. */
112 FNWRITE *pfnWrite;
113 /** Abbreviated name. */
114 const char *pszAbbrev;
115 /** Full name. */
116 const char *pszName;
117 } s_regMap[NUM_OF_PHY_REGS] =
118 {
119 /*ra read callback write callback abbrev full name */
120 /*-- ------------------------- -------------------------- ---------- ------------------------------*/
121 { 0, Phy::regReadDefault , Phy::regWritePCTRL , "PCTRL" , "PHY Control" },
122 { 1, Phy::regReadPSTATUS , Phy::regWriteForbidden , "PSTATUS" , "PHY Status" },
123 { 2, Phy::regReadDefault , Phy::regWriteForbidden , "PID" , "PHY Identifier" },
124 { 3, Phy::regReadDefault , Phy::regWriteForbidden , "EPID" , "Extended PHY Identifier" },
125 { 4, Phy::regReadDefault , Phy::regWriteDefault , "ANA" , "Auto-Negotiation Advertisement" },
126 { 5, Phy::regReadDefault , Phy::regWriteForbidden , "LPA" , "Link Partner Ability" },
127 { 6, Phy::regReadUnimplemented, Phy::regWriteForbidden , "ANE" , "Auto-Negotiation Expansion" },
128 { 7, Phy::regReadUnimplemented, Phy::regWriteUnimplemented, "NPT" , "Next Page Transmit" },
129 { 8, Phy::regReadUnimplemented, Phy::regWriteForbidden , "LPN" , "Link Partner Next Page" },
130 { 9, Phy::regReadDefault , Phy::regWriteUnimplemented, "GCON" , "1000BASE-T Control" },
131 { 10, Phy::regReadGSTATUS , Phy::regWriteForbidden , "GSTATUS" , "1000BASE-T Status" },
132 { 15, Phy::regReadUnimplemented, Phy::regWriteForbidden , "EPSTATUS" , "Extended PHY Status" },
133 { 16, Phy::regReadDefault , Phy::regWriteDefault , "PSCON" , "PHY Specific Control" },
134 { 17, Phy::regReadDefault , Phy::regWriteForbidden , "PSSTAT" , "PHY Specific Status" },
135 { 18, Phy::regReadUnimplemented, Phy::regWriteUnimplemented, "PINTE" , "PHY Interrupt Enable" },
136 { 19, Phy::regReadUnimplemented, Phy::regWriteForbidden , "PINTS" , "PHY Interrupt Status" },
137 { 20, Phy::regReadUnimplemented, Phy::regWriteUnimplemented, "EPSCON1" , "Extended PHY Specific Control 1" },
138 { 21, Phy::regReadUnimplemented, Phy::regWriteForbidden , "PREC" , "PHY Receive Error Counter" },
139 { 26, Phy::regReadUnimplemented, Phy::regWriteUnimplemented, "EPSCON2" , "Extended PHY Specific Control 2" },
140 { 29, Phy::regReadForbidden , Phy::regWriteUnimplemented, "R30PS" , "MDI Register 30 Page Select" },
141 { 30, Phy::regReadUnimplemented, Phy::regWriteUnimplemented, "R30AW" , "MDI Register 30 Access Window" }
142 };
143}
144
145/**
146 * Default read handler.
147 *
148 * Fetches register value from the state structure.
149 *
150 * @returns Register value
151 *
152 * @param index Register index in register array.
153 */
154static uint16_t Phy::regReadDefault(PPHY pPhy, uint32_t index, PPDMDEVINS pDevIns)
155{
156 RT_NOREF(pDevIns);
157 AssertReturn(index<Phy::NUM_OF_PHY_REGS, 0);
158 return pPhy->au16Regs[index];
159}
160
161/**
162 * Default write handler.
163 *
164 * Writes the specified register value to the state structure.
165 *
166 * @param index Register index in register array.
167 * @param value The value to store (ignored).
168 */
169static void Phy::regWriteDefault(PPHY pPhy, uint32_t index, uint16_t u16Value, PPDMDEVINS pDevIns)
170{
171 RT_NOREF(pDevIns);
172 AssertReturnVoid(index < NUM_OF_PHY_REGS);
173 pPhy->au16Regs[index] = u16Value;
174}
175
176/**
177 * Read handler for write-only registers.
178 *
179 * Merely reports reads from write-only registers.
180 *
181 * @returns Register value (always 0)
182 *
183 * @param index Register index in register array.
184 */
185static uint16_t Phy::regReadForbidden(PPHY pPhy, uint32_t index, PPDMDEVINS pDevIns)
186{
187 RT_NOREF(pPhy, index, pDevIns);
188 PhyLog(("PHY#%d At %02d read attempted from write-only '%s'\n",
189 pPhy->iInstance, s_regMap[index].u32Address, s_regMap[index].pszName));
190 return 0;
191}
192
193/**
194 * Write handler for read-only registers.
195 *
196 * Merely reports writes to read-only registers.
197 *
198 * @param index Register index in register array.
199 * @param value The value to store (ignored).
200 */
201static void Phy::regWriteForbidden(PPHY pPhy, uint32_t index, uint16_t u16Value, PPDMDEVINS pDevIns)
202{
203 RT_NOREF(pPhy, index, u16Value, pDevIns);
204 PhyLog(("PHY#%d At %02d write attempted to read-only '%s'\n",
205 pPhy->iInstance, s_regMap[index].u32Address, s_regMap[index].pszName));
206}
207
208/**
209 * Read handler for unimplemented registers.
210 *
211 * Merely reports reads from unimplemented registers.
212 *
213 * @returns Register value (always 0)
214 *
215 * @param index Register index in register array.
216 */
217static uint16_t Phy::regReadUnimplemented(PPHY pPhy, uint32_t index, PPDMDEVINS pDevIns)
218{
219 RT_NOREF(pPhy, index, pDevIns);
220 PhyLog(("PHY#%d At %02d read attempted from unimplemented '%s'\n",
221 pPhy->iInstance, s_regMap[index].u32Address, s_regMap[index].pszName));
222 return 0;
223}
224
225/**
226 * Write handler for unimplemented registers.
227 *
228 * Merely reports writes to unimplemented registers.
229 *
230 * @param index Register index in register array.
231 * @param value The value to store (ignored).
232 */
233static void Phy::regWriteUnimplemented(PPHY pPhy, uint32_t index, uint16_t u16Value, PPDMDEVINS pDevIns)
234{
235 RT_NOREF(pPhy, index, u16Value, pDevIns);
236 PhyLog(("PHY#%d At %02d write attempted to unimplemented '%s'\n",
237 pPhy->iInstance, s_regMap[index].u32Address, s_regMap[index].pszName));
238}
239
240
241/**
242 * Search PHY register table for register with matching address.
243 *
244 * @returns Index in the register table or -1 if not found.
245 *
246 * @param u32Address Register address.
247 */
248static int Phy::lookupRegister(uint32_t u32Address)
249{
250 unsigned int index;
251
252 for (index = 0; index < RT_ELEMENTS(s_regMap); index++)
253 {
254 if (s_regMap[index].u32Address == u32Address)
255 {
256 return (int)index;
257 }
258 }
259
260 return -1;
261}
262
263/**
264 * Read PHY register.
265 *
266 * @returns Value of specified PHY register.
267 *
268 * @param u32Address Register address.
269 */
270uint16_t Phy::readRegister(PPHY pPhy, uint32_t u32Address, PPDMDEVINS pDevIns)
271{
272 int index = Phy::lookupRegister(u32Address);
273 uint16_t u16 = 0;
274
275 if (index >= 0)
276 {
277 u16 = s_regMap[index].pfnRead(pPhy, (uint32_t)index, pDevIns);
278 PhyLog(("PHY#%d At %02d read %04X from %s (%s)\n",
279 pPhy->iInstance, s_regMap[index].u32Address, u16,
280 s_regMap[index].pszAbbrev, s_regMap[index].pszName));
281 }
282 else
283 {
284 PhyLog(("PHY#%d read attempted from non-existing register %08x\n",
285 pPhy->iInstance, u32Address));
286 }
287 return u16;
288}
289
290/**
291 * Write to PHY register.
292 *
293 * @param u32Address Register address.
294 * @param u16Value Value to store.
295 */
296void Phy::writeRegister(PPHY pPhy, uint32_t u32Address, uint16_t u16Value, PPDMDEVINS pDevIns)
297{
298 int index = Phy::lookupRegister(u32Address);
299
300 if (index >= 0)
301 {
302 PhyLog(("PHY#%d At %02d write %04X to %s (%s)\n",
303 pPhy->iInstance, s_regMap[index].u32Address, u16Value,
304 s_regMap[index].pszAbbrev, s_regMap[index].pszName));
305 s_regMap[index].pfnWrite(pPhy, (uint32_t)index, u16Value, pDevIns);
306 }
307 else
308 {
309 PhyLog(("PHY#%d write attempted to non-existing register %08x\n",
310 pPhy->iInstance, u32Address));
311 }
312}
313
314/**
315 * PHY constructor.
316 *
317 * Stores E1000 instance internally. Triggers PHY hard reset.
318 *
319 * @param iNICInstance Number of network controller instance this PHY is
320 * attached to.
321 * @param u16EPid Extended PHY Id.
322 */
323void Phy::init(PPHY pPhy, int iNICInstance, uint16_t u16EPid)
324{
325 pPhy->iInstance = iNICInstance;
326 /* The PHY identifier composed of bits 3 through 18 of the OUI */
327 /* (Organizationally Unique Identifier). OUI is 0x05043. */
328 REG(PID) = 0x0141;
329 /* Extended PHY identifier */
330 REG(EPID) = u16EPid;
331 hardReset(pPhy);
332}
333
334/**
335 * Hardware PHY reset.
336 *
337 * Sets all PHY registers to their initial values.
338 */
339void Phy::hardReset(PPHY pPhy)
340{
341 PhyLog(("PHY#%d Hard reset\n", pPhy->iInstance));
342 REG(PCTRL) = PCTRL_SPDSELM | PCTRL_DUPMOD | PCTRL_ANEG;
343 /*
344 * 100 and 10 FD/HD, Extended Status, MF Preamble Suppression,
345 * AUTO NEG AB, EXT CAP
346 */
347 REG(PSTATUS) = 0x7949;
348 REG(ANA) = 0x01E1;
349 /* No flow control by our link partner, all speeds */
350 REG(LPA) = 0x01E0;
351 REG(ANE) = 0x0000;
352 REG(NPT) = 0x2001;
353 REG(LPN) = 0x0000;
354 REG(GCON) = 0x1E00;
355 REG(GSTATUS) = 0x0000;
356 REG(EPSTATUS) = 0x3000;
357 REG(PSCON) = 0x0068;
358 REG(PSSTAT) = 0x0000;
359 REG(PINTE) = 0x0000;
360 REG(PINTS) = 0x0000;
361 REG(EPSCON1) = 0x0D60;
362 REG(PREC) = 0x0000;
363 REG(EPSCON2) = 0x000C;
364 REG(R30PS) = 0x0000;
365 REG(R30AW) = 0x0000;
366
367 pPhy->u16State = MDIO_IDLE;
368}
369
370/**
371 * Software PHY reset.
372 */
373static void Phy::softReset(PPHY pPhy, PPDMDEVINS pDevIns)
374{
375 PhyLog(("PHY#%d Soft reset\n", pPhy->iInstance));
376
377 REG(PCTRL) = REG(PCTRL) & (PCTRL_SPDSELM | PCTRL_DUPMOD | PCTRL_ANEG | PCTRL_SPDSELL);
378 /*
379 * 100 and 10 FD/HD, Extended Status, MF Preamble Suppression,
380 * AUTO NEG AB, EXT CAP
381 */
382 REG(PSTATUS) = 0x7949;
383 REG(PSSTAT) &= 0xe001;
384 PhyLog(("PHY#%d PSTATUS=%04x PSSTAT=%04x\n", pPhy->iInstance, REG(PSTATUS), REG(PSSTAT)));
385
386#ifndef PHY_UNIT_TEST
387 e1kPhyLinkResetCallback(pDevIns);
388#else
389 RT_NOREF(pDevIns);
390#endif
391}
392
393/**
394 * Get the current state of the link.
395 *
396 * @returns true if link is up.
397 */
398bool Phy::isLinkUp(PPHY pPhy)
399{
400 return (REG(PSSTAT) & PSSTAT_LINK) != 0;
401}
402
403/**
404 * Set the current state of the link.
405 *
406 * @remarks Link Status bit in PHY Status register is latched-low and does
407 * not change the state when the link goes up.
408 *
409 * @param fLinkIsUp New state of the link.
410 */
411void Phy::setLinkStatus(PPHY pPhy, bool fLinkIsUp)
412{
413 if (fLinkIsUp)
414 {
415 REG(PSSTAT) |= PSSTAT_LINK_ALL;
416 REG(PSTATUS) |= PSTATUS_NEGCOMP; /* PSTATUS_LNKSTAT is latched low */
417 }
418 else
419 {
420 REG(PSSTAT) &= ~PSSTAT_LINK_ALL;
421 REG(PSTATUS) &= ~(PSTATUS_LNKSTAT | PSTATUS_NEGCOMP);
422 }
423 PhyLog(("PHY#%d setLinkStatus: PSTATUS=%04x PSSTAT=%04x\n", pPhy->iInstance, REG(PSTATUS), REG(PSSTAT)));
424}
425
426#ifdef IN_RING3
427
428/**
429 * Save PHY state.
430 *
431 * @remarks Since PHY is aggregated into E1K it does not currently supports
432 * versioning of its own.
433 *
434 * @returns VBox status code.
435 * @param pHlp Device helper table.
436 * @param pSSM The handle to save the state to.
437 * @param pPhy The pointer to this instance.
438 */
439int Phy::saveState(PCPDMDEVHLPR3 pHlp, PSSMHANDLE pSSM, PPHY pPhy)
440{
441 pHlp->pfnSSMPutMem(pSSM, pPhy->au16Regs, sizeof(pPhy->au16Regs));
442 return VINF_SUCCESS;
443}
444
445/**
446 * Restore previously saved PHY state.
447 *
448 * @remarks Since PHY is aggregated into E1K it does not currently supports
449 * versioning of its own.
450 *
451 * @returns VBox status code.
452 * @param pHlp Device helper table.
453 * @param pSSM The handle to save the state to.
454 * @param pPhy The pointer to this instance.
455 */
456int Phy::loadState(PCPDMDEVHLPR3 pHlp, PSSMHANDLE pSSM, PPHY pPhy)
457{
458 return pHlp->pfnSSMGetMem(pSSM, pPhy->au16Regs, sizeof(pPhy->au16Regs));
459}
460
461#endif /* IN_RING3 */
462
463/* Register-specific handlers ************************************************/
464
465/**
466 * Write handler for PHY Control register.
467 *
468 * Handles reset.
469 *
470 * @param index Register index in register array.
471 * @param value The value to store (ignored).
472 */
473static void Phy::regWritePCTRL(PPHY pPhy, uint32_t index, uint16_t u16Value, PPDMDEVINS pDevIns)
474{
475 if (u16Value & PCTRL_RESET)
476 softReset(pPhy, pDevIns);
477 else
478 regWriteDefault(pPhy, index, u16Value, pDevIns);
479}
480
481/**
482 * Read handler for PHY Status register.
483 *
484 * Handles Latched-Low Link Status bit.
485 *
486 * @returns Register value
487 *
488 * @param index Register index in register array.
489 */
490static uint16_t Phy::regReadPSTATUS(PPHY pPhy, uint32_t index, PPDMDEVINS pDevIns)
491{
492 RT_NOREF(pPhy, index, pDevIns);
493
494 /* Read latched value */
495 uint16_t u16 = REG(PSTATUS);
496 if (REG(PSSTAT) & PSSTAT_LINK)
497 REG(PSTATUS) |= PSTATUS_LNKSTAT;
498 else
499 REG(PSTATUS) &= ~PSTATUS_LNKSTAT;
500 return u16;
501}
502
503/**
504 * Read handler for 1000BASE-T Status register.
505 *
506 * @returns Register value
507 *
508 * @param index Register index in register array.
509 */
510static uint16_t Phy::regReadGSTATUS(PPHY pPhy, uint32_t index, PPDMDEVINS pDevIns)
511{
512 RT_NOREF(pPhy, index, pDevIns);
513
514 /*
515 * - Link partner is capable of 1000BASE-T half duplex
516 * - Link partner is capable of 1000BASE-T full duplex
517 * - Remote receiver OK
518 * - Local receiver OK
519 * - Local PHY config resolved to SLAVE
520 */
521 return 0x3C00;
522}
523
524#if defined(LOG_ENABLED) || defined(PHY_UNIT_TEST)
525static const char * Phy::getStateName(uint16_t u16State)
526{
527 static const char *pcszState[] =
528 {
529 "MDIO_IDLE",
530 "MDIO_ST",
531 "MDIO_OP_ADR",
532 "MDIO_TA_RD",
533 "MDIO_TA_WR",
534 "MDIO_READ",
535 "MDIO_WRITE"
536 };
537
538 return (u16State < RT_ELEMENTS(pcszState)) ? pcszState[u16State] : "<invalid>";
539}
540#endif
541
542bool Phy::readMDIO(PPHY pPhy)
543{
544 bool fPin = false;
545
546 switch (pPhy->u16State)
547 {
548 case MDIO_TA_RD:
549 Assert(pPhy->u16Cnt == 1);
550 fPin = false;
551 pPhy->u16State = MDIO_READ;
552 pPhy->u16Cnt = 16;
553 break;
554 case MDIO_READ:
555 /* Bits are shifted out in MSB to LSB order */
556 fPin = (pPhy->u16Acc & 0x8000) != 0;
557 pPhy->u16Acc <<= 1;
558 if (--pPhy->u16Cnt == 0)
559 pPhy->u16State = MDIO_IDLE;
560 break;
561 default:
562 PhyLog(("PHY#%d WARNING! MDIO pin read in %s state\n", pPhy->iInstance, Phy::getStateName(pPhy->u16State)));
563 pPhy->u16State = MDIO_IDLE;
564 }
565 return fPin;
566}
567
568/** Set the value of MDIO pin. */
569void Phy::writeMDIO(PPHY pPhy, bool fPin, PPDMDEVINS pDevIns)
570{
571 switch (pPhy->u16State)
572 {
573 case MDIO_IDLE:
574 if (!fPin)
575 pPhy->u16State = MDIO_ST;
576 break;
577 case MDIO_ST:
578 if (fPin)
579 {
580 pPhy->u16State = MDIO_OP_ADR;
581 pPhy->u16Cnt = 12; /* OP + PHYADR + REGADR */
582 pPhy->u16Acc = 0;
583 }
584 break;
585 case MDIO_OP_ADR:
586 Assert(pPhy->u16Cnt);
587 /* Shift in 'u16Cnt' bits into accumulator */
588 pPhy->u16Acc <<= 1;
589 if (fPin)
590 pPhy->u16Acc |= 1;
591 if (--pPhy->u16Cnt == 0)
592 {
593 /* Got OP(2) + PHYADR(5) + REGADR(5) */
594 /* Note: A single PHY is supported, ignore PHYADR */
595 switch (pPhy->u16Acc >> 10)
596 {
597 case MDIO_READ_OP:
598 pPhy->u16Acc = readRegister(pPhy, pPhy->u16Acc & 0x1F, pDevIns);
599 pPhy->u16State = MDIO_TA_RD;
600 pPhy->u16Cnt = 1;
601 break;
602 case MDIO_WRITE_OP:
603 pPhy->u16RegAdr = pPhy->u16Acc & 0x1F;
604 pPhy->u16State = MDIO_TA_WR;
605 pPhy->u16Cnt = 2;
606 break;
607 default:
608 PhyLog(("PHY#%d ERROR! Invalid MDIO op: %d\n", pPhy->iInstance, pPhy->u16Acc >> 10));
609 pPhy->u16State = MDIO_IDLE;
610 break;
611 }
612 }
613 break;
614 case MDIO_TA_WR:
615 Assert(pPhy->u16Cnt <= 2);
616 Assert(pPhy->u16Cnt > 0);
617 if (--pPhy->u16Cnt == 0)
618 {
619 pPhy->u16State = MDIO_WRITE;
620 pPhy->u16Cnt = 16;
621 }
622 break;
623 case MDIO_WRITE:
624 Assert(pPhy->u16Cnt);
625 pPhy->u16Acc <<= 1;
626 if (fPin)
627 pPhy->u16Acc |= 1;
628 if (--pPhy->u16Cnt == 0)
629 {
630 writeRegister(pPhy, pPhy->u16RegAdr, pPhy->u16Acc, pDevIns);
631 pPhy->u16State = MDIO_IDLE;
632 }
633 break;
634 default:
635 PhyLog(("PHY#%d ERROR! MDIO pin write in %s state\n", pPhy->iInstance, Phy::getStateName(pPhy->u16State)));
636 pPhy->u16State = MDIO_IDLE;
637 break;
638 }
639}
640
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