bnx2x_link.c 410 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163116411651166116711681169117011711172117311741175117611771178117911801181118211831184118511861187118811891190119111921193119411951196119711981199120012011202120312041205120612071208120912101211121212131214121512161217121812191220122112221223122412251226122712281229123012311232123312341235123612371238123912401241124212431244124512461247124812491250125112521253125412551256125712581259126012611262126312641265126612671268126912701271127212731274127512761277127812791280128112821283128412851286128712881289129012911292129312941295129612971298129913001301130213031304130513061307130813091310131113121313131413151316131713181319132013211322132313241325132613271328132913301331133213331334133513361337133813391340134113421343134413451346134713481349135013511352135313541355135613571358135913601361136213631364136513661367136813691370137113721373137413751376137713781379138013811382138313841385138613871388138913901391139213931394139513961397139813991400140114021403140414051406140714081409141014111412141314141415141614171418141914201421142214231424142514261427142814291430143114321433143414351436143714381439144014411442144314441445144614471448144914501451145214531454145514561457145814591460146114621463146414651466146714681469147014711472147314741475147614771478147914801481148214831484148514861487148814891490149114921493149414951496149714981499150015011502150315041505150615071508150915101511151215131514151515161517151815191520152115221523152415251526152715281529153015311532153315341535153615371538153915401541154215431544154515461547154815491550155115521553155415551556155715581559156015611562156315641565156615671568156915701571157215731574157515761577157815791580158115821583158415851586158715881589159015911592159315941595159615971598159916001601160216031604160516061607160816091610161116121613161416151616161716181619162016211622162316241625162616271628162916301631163216331634163516361637163816391640164116421643164416451646164716481649165016511652165316541655165616571658165916601661166216631664166516661667166816691670167116721673167416751676167716781679168016811682168316841685168616871688168916901691169216931694169516961697169816991700170117021703170417051706170717081709171017111712171317141715171617171718171917201721172217231724172517261727172817291730173117321733173417351736173717381739174017411742174317441745174617471748174917501751175217531754175517561757175817591760176117621763176417651766176717681769177017711772177317741775177617771778177917801781178217831784178517861787178817891790179117921793179417951796179717981799180018011802180318041805180618071808180918101811181218131814181518161817181818191820182118221823182418251826182718281829183018311832183318341835183618371838183918401841184218431844184518461847184818491850185118521853185418551856185718581859186018611862186318641865186618671868186918701871187218731874187518761877187818791880188118821883188418851886188718881889189018911892189318941895189618971898189919001901190219031904190519061907190819091910191119121913191419151916191719181919192019211922192319241925192619271928192919301931193219331934193519361937193819391940194119421943194419451946194719481949195019511952195319541955195619571958195919601961196219631964196519661967196819691970197119721973197419751976197719781979198019811982198319841985198619871988198919901991199219931994199519961997199819992000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024202520262027202820292030203120322033203420352036203720382039204020412042204320442045204620472048204920502051205220532054205520562057205820592060206120622063206420652066206720682069207020712072207320742075207620772078207920802081208220832084208520862087208820892090209120922093209420952096209720982099210021012102210321042105210621072108210921102111211221132114211521162117211821192120212121222123212421252126212721282129213021312132213321342135213621372138213921402141214221432144214521462147214821492150215121522153215421552156215721582159216021612162216321642165216621672168216921702171217221732174217521762177217821792180218121822183218421852186218721882189219021912192219321942195219621972198219922002201220222032204220522062207220822092210221122122213221422152216221722182219222022212222222322242225222622272228222922302231223222332234223522362237223822392240224122422243224422452246224722482249225022512252225322542255225622572258225922602261226222632264226522662267226822692270227122722273227422752276227722782279228022812282228322842285228622872288228922902291229222932294229522962297229822992300230123022303230423052306230723082309231023112312231323142315231623172318231923202321232223232324232523262327232823292330233123322333233423352336233723382339234023412342234323442345234623472348234923502351235223532354235523562357235823592360236123622363236423652366236723682369237023712372237323742375237623772378237923802381238223832384238523862387238823892390239123922393239423952396239723982399240024012402240324042405240624072408240924102411241224132414241524162417241824192420242124222423242424252426242724282429243024312432243324342435243624372438243924402441244224432444244524462447244824492450245124522453245424552456245724582459246024612462246324642465246624672468246924702471247224732474247524762477247824792480248124822483248424852486248724882489249024912492249324942495249624972498249925002501250225032504250525062507250825092510251125122513251425152516251725182519252025212522252325242525252625272528252925302531253225332534253525362537253825392540254125422543254425452546254725482549255025512552255325542555255625572558255925602561256225632564256525662567256825692570257125722573257425752576257725782579258025812582258325842585258625872588258925902591259225932594259525962597259825992600260126022603260426052606260726082609261026112612261326142615261626172618261926202621262226232624262526262627262826292630263126322633263426352636263726382639264026412642264326442645264626472648264926502651265226532654265526562657265826592660266126622663266426652666266726682669267026712672267326742675267626772678267926802681268226832684268526862687268826892690269126922693269426952696269726982699270027012702270327042705270627072708270927102711271227132714271527162717271827192720272127222723272427252726272727282729273027312732273327342735273627372738273927402741274227432744274527462747274827492750275127522753275427552756275727582759276027612762276327642765276627672768276927702771277227732774277527762777277827792780278127822783278427852786278727882789279027912792279327942795279627972798279928002801280228032804280528062807280828092810281128122813281428152816281728182819282028212822282328242825282628272828282928302831283228332834283528362837283828392840284128422843284428452846284728482849285028512852285328542855285628572858285928602861286228632864286528662867286828692870287128722873287428752876287728782879288028812882288328842885288628872888288928902891289228932894289528962897289828992900290129022903290429052906290729082909291029112912291329142915291629172918291929202921292229232924292529262927292829292930293129322933293429352936293729382939294029412942294329442945294629472948294929502951295229532954295529562957295829592960296129622963296429652966296729682969297029712972297329742975297629772978297929802981298229832984298529862987298829892990299129922993299429952996299729982999300030013002300330043005300630073008300930103011301230133014301530163017301830193020302130223023302430253026302730283029303030313032303330343035303630373038303930403041304230433044304530463047304830493050305130523053305430553056305730583059306030613062306330643065306630673068306930703071307230733074307530763077307830793080308130823083308430853086308730883089309030913092309330943095309630973098309931003101310231033104310531063107310831093110311131123113311431153116311731183119312031213122312331243125312631273128312931303131313231333134313531363137313831393140314131423143314431453146314731483149315031513152315331543155315631573158315931603161316231633164316531663167316831693170317131723173317431753176317731783179318031813182318331843185318631873188318931903191319231933194319531963197319831993200320132023203320432053206320732083209321032113212321332143215321632173218321932203221322232233224322532263227322832293230323132323233323432353236323732383239324032413242324332443245324632473248324932503251325232533254325532563257325832593260326132623263326432653266326732683269327032713272327332743275327632773278327932803281328232833284328532863287328832893290329132923293329432953296329732983299330033013302330333043305330633073308330933103311331233133314331533163317331833193320332133223323332433253326332733283329333033313332333333343335333633373338333933403341334233433344334533463347334833493350335133523353335433553356335733583359336033613362336333643365336633673368336933703371337233733374337533763377337833793380338133823383338433853386338733883389339033913392339333943395339633973398339934003401340234033404340534063407340834093410341134123413341434153416341734183419342034213422342334243425342634273428342934303431343234333434343534363437343834393440344134423443344434453446344734483449345034513452345334543455345634573458345934603461346234633464346534663467346834693470347134723473347434753476347734783479348034813482348334843485348634873488348934903491349234933494349534963497349834993500350135023503350435053506350735083509351035113512351335143515351635173518351935203521352235233524352535263527352835293530353135323533353435353536353735383539354035413542354335443545354635473548354935503551355235533554355535563557355835593560356135623563356435653566356735683569357035713572357335743575357635773578357935803581358235833584358535863587358835893590359135923593359435953596359735983599360036013602360336043605360636073608360936103611361236133614361536163617361836193620362136223623362436253626362736283629363036313632363336343635363636373638363936403641364236433644364536463647364836493650365136523653365436553656365736583659366036613662366336643665366636673668366936703671367236733674367536763677367836793680368136823683368436853686368736883689369036913692369336943695369636973698369937003701370237033704370537063707370837093710371137123713371437153716371737183719372037213722372337243725372637273728372937303731373237333734373537363737373837393740374137423743374437453746374737483749375037513752375337543755375637573758375937603761376237633764376537663767376837693770377137723773377437753776377737783779378037813782378337843785378637873788378937903791379237933794379537963797379837993800380138023803380438053806380738083809381038113812381338143815381638173818381938203821382238233824382538263827382838293830383138323833383438353836383738383839384038413842384338443845384638473848384938503851385238533854385538563857385838593860386138623863386438653866386738683869387038713872387338743875387638773878387938803881388238833884388538863887388838893890389138923893389438953896389738983899390039013902390339043905390639073908390939103911391239133914391539163917391839193920392139223923392439253926392739283929393039313932393339343935393639373938393939403941394239433944394539463947394839493950395139523953395439553956395739583959396039613962396339643965396639673968396939703971397239733974397539763977397839793980398139823983398439853986398739883989399039913992399339943995399639973998399940004001400240034004400540064007400840094010401140124013401440154016401740184019402040214022402340244025402640274028402940304031403240334034403540364037403840394040404140424043404440454046404740484049405040514052405340544055405640574058405940604061406240634064406540664067406840694070407140724073407440754076407740784079408040814082408340844085408640874088408940904091409240934094409540964097409840994100410141024103410441054106410741084109411041114112411341144115411641174118411941204121412241234124412541264127412841294130413141324133413441354136413741384139414041414142414341444145414641474148414941504151415241534154415541564157415841594160416141624163416441654166416741684169417041714172417341744175417641774178417941804181418241834184418541864187418841894190419141924193419441954196419741984199420042014202420342044205420642074208420942104211421242134214421542164217421842194220422142224223422442254226422742284229423042314232423342344235423642374238423942404241424242434244424542464247424842494250425142524253425442554256425742584259426042614262426342644265426642674268426942704271427242734274427542764277427842794280428142824283428442854286428742884289429042914292429342944295429642974298429943004301430243034304430543064307430843094310431143124313431443154316431743184319432043214322432343244325432643274328432943304331433243334334433543364337433843394340434143424343434443454346434743484349435043514352435343544355435643574358435943604361436243634364436543664367436843694370437143724373437443754376437743784379438043814382438343844385438643874388438943904391439243934394439543964397439843994400440144024403440444054406440744084409441044114412441344144415441644174418441944204421442244234424442544264427442844294430443144324433443444354436443744384439444044414442444344444445444644474448444944504451445244534454445544564457445844594460446144624463446444654466446744684469447044714472447344744475447644774478447944804481448244834484448544864487448844894490449144924493449444954496449744984499450045014502450345044505450645074508450945104511451245134514451545164517451845194520452145224523452445254526452745284529453045314532453345344535453645374538453945404541454245434544454545464547454845494550455145524553455445554556455745584559456045614562456345644565456645674568456945704571457245734574457545764577457845794580458145824583458445854586458745884589459045914592459345944595459645974598459946004601460246034604460546064607460846094610461146124613461446154616461746184619462046214622462346244625462646274628462946304631463246334634463546364637463846394640464146424643464446454646464746484649465046514652465346544655465646574658465946604661466246634664466546664667466846694670467146724673467446754676467746784679468046814682468346844685468646874688468946904691469246934694469546964697469846994700470147024703470447054706470747084709471047114712471347144715471647174718471947204721472247234724472547264727472847294730473147324733473447354736473747384739474047414742474347444745474647474748474947504751475247534754475547564757475847594760476147624763476447654766476747684769477047714772477347744775477647774778477947804781478247834784478547864787478847894790479147924793479447954796479747984799480048014802480348044805480648074808480948104811481248134814481548164817481848194820482148224823482448254826482748284829483048314832483348344835483648374838483948404841484248434844484548464847484848494850485148524853485448554856485748584859486048614862486348644865486648674868486948704871487248734874487548764877487848794880488148824883488448854886488748884889489048914892489348944895489648974898489949004901490249034904490549064907490849094910491149124913491449154916491749184919492049214922492349244925492649274928492949304931493249334934493549364937493849394940494149424943494449454946494749484949495049514952495349544955495649574958495949604961496249634964496549664967496849694970497149724973497449754976497749784979498049814982498349844985498649874988498949904991499249934994499549964997499849995000500150025003500450055006500750085009501050115012501350145015501650175018501950205021502250235024502550265027502850295030503150325033503450355036503750385039504050415042504350445045504650475048504950505051505250535054505550565057505850595060506150625063506450655066506750685069507050715072507350745075507650775078507950805081508250835084508550865087508850895090509150925093509450955096509750985099510051015102510351045105510651075108510951105111511251135114511551165117511851195120512151225123512451255126512751285129513051315132513351345135513651375138513951405141514251435144514551465147514851495150515151525153515451555156515751585159516051615162516351645165516651675168516951705171517251735174517551765177517851795180518151825183518451855186518751885189519051915192519351945195519651975198519952005201520252035204520552065207520852095210521152125213521452155216521752185219522052215222522352245225522652275228522952305231523252335234523552365237523852395240524152425243524452455246524752485249525052515252525352545255525652575258525952605261526252635264526552665267526852695270527152725273527452755276527752785279528052815282528352845285528652875288528952905291529252935294529552965297529852995300530153025303530453055306530753085309531053115312531353145315531653175318531953205321532253235324532553265327532853295330533153325333533453355336533753385339534053415342534353445345534653475348534953505351535253535354535553565357535853595360536153625363536453655366536753685369537053715372537353745375537653775378537953805381538253835384538553865387538853895390539153925393539453955396539753985399540054015402540354045405540654075408540954105411541254135414541554165417541854195420542154225423542454255426542754285429543054315432543354345435543654375438543954405441544254435444544554465447544854495450545154525453545454555456545754585459546054615462546354645465546654675468546954705471547254735474547554765477547854795480548154825483548454855486548754885489549054915492549354945495549654975498549955005501550255035504550555065507550855095510551155125513551455155516551755185519552055215522552355245525552655275528552955305531553255335534553555365537553855395540554155425543554455455546554755485549555055515552555355545555555655575558555955605561556255635564556555665567556855695570557155725573557455755576557755785579558055815582558355845585558655875588558955905591559255935594559555965597559855995600560156025603560456055606560756085609561056115612561356145615561656175618561956205621562256235624562556265627562856295630563156325633563456355636563756385639564056415642564356445645564656475648564956505651565256535654565556565657565856595660566156625663566456655666566756685669567056715672567356745675567656775678567956805681568256835684568556865687568856895690569156925693569456955696569756985699570057015702570357045705570657075708570957105711571257135714571557165717571857195720572157225723572457255726572757285729573057315732573357345735573657375738573957405741574257435744574557465747574857495750575157525753575457555756575757585759576057615762576357645765576657675768576957705771577257735774577557765777577857795780578157825783578457855786578757885789579057915792579357945795579657975798579958005801580258035804580558065807580858095810581158125813581458155816581758185819582058215822582358245825582658275828582958305831583258335834583558365837583858395840584158425843584458455846584758485849585058515852585358545855585658575858585958605861586258635864586558665867586858695870587158725873587458755876587758785879588058815882588358845885588658875888588958905891589258935894589558965897589858995900590159025903590459055906590759085909591059115912591359145915591659175918591959205921592259235924592559265927592859295930593159325933593459355936593759385939594059415942594359445945594659475948594959505951595259535954595559565957595859595960596159625963596459655966596759685969597059715972597359745975597659775978597959805981598259835984598559865987598859895990599159925993599459955996599759985999600060016002600360046005600660076008600960106011601260136014601560166017601860196020602160226023602460256026602760286029603060316032603360346035603660376038603960406041604260436044604560466047604860496050605160526053605460556056605760586059606060616062606360646065606660676068606960706071607260736074607560766077607860796080608160826083608460856086608760886089609060916092609360946095609660976098609961006101610261036104610561066107610861096110611161126113611461156116611761186119612061216122612361246125612661276128612961306131613261336134613561366137613861396140614161426143614461456146614761486149615061516152615361546155615661576158615961606161616261636164616561666167616861696170617161726173617461756176617761786179618061816182618361846185618661876188618961906191619261936194619561966197619861996200620162026203620462056206620762086209621062116212621362146215621662176218621962206221622262236224622562266227622862296230623162326233623462356236623762386239624062416242624362446245624662476248624962506251625262536254625562566257625862596260626162626263626462656266626762686269627062716272627362746275627662776278627962806281628262836284628562866287628862896290629162926293629462956296629762986299630063016302630363046305630663076308630963106311631263136314631563166317631863196320632163226323632463256326632763286329633063316332633363346335633663376338633963406341634263436344634563466347634863496350635163526353635463556356635763586359636063616362636363646365636663676368636963706371637263736374637563766377637863796380638163826383638463856386638763886389639063916392639363946395639663976398639964006401640264036404640564066407640864096410641164126413641464156416641764186419642064216422642364246425642664276428642964306431643264336434643564366437643864396440644164426443644464456446644764486449645064516452645364546455645664576458645964606461646264636464646564666467646864696470647164726473647464756476647764786479648064816482648364846485648664876488648964906491649264936494649564966497649864996500650165026503650465056506650765086509651065116512651365146515651665176518651965206521652265236524652565266527652865296530653165326533653465356536653765386539654065416542654365446545654665476548654965506551655265536554655565566557655865596560656165626563656465656566656765686569657065716572657365746575657665776578657965806581658265836584658565866587658865896590659165926593659465956596659765986599660066016602660366046605660666076608660966106611661266136614661566166617661866196620662166226623662466256626662766286629663066316632663366346635663666376638663966406641664266436644664566466647664866496650665166526653665466556656665766586659666066616662666366646665666666676668666966706671667266736674667566766677667866796680668166826683668466856686668766886689669066916692669366946695669666976698669967006701670267036704670567066707670867096710671167126713671467156716671767186719672067216722672367246725672667276728672967306731673267336734673567366737673867396740674167426743674467456746674767486749675067516752675367546755675667576758675967606761676267636764676567666767676867696770677167726773677467756776677767786779678067816782678367846785678667876788678967906791679267936794679567966797679867996800680168026803680468056806680768086809681068116812681368146815681668176818681968206821682268236824682568266827682868296830683168326833683468356836683768386839684068416842684368446845684668476848684968506851685268536854685568566857685868596860686168626863686468656866686768686869687068716872687368746875687668776878687968806881688268836884688568866887688868896890689168926893689468956896689768986899690069016902690369046905690669076908690969106911691269136914691569166917691869196920692169226923692469256926692769286929693069316932693369346935693669376938693969406941694269436944694569466947694869496950695169526953695469556956695769586959696069616962696369646965696669676968696969706971697269736974697569766977697869796980698169826983698469856986698769886989699069916992699369946995699669976998699970007001700270037004700570067007700870097010701170127013701470157016701770187019702070217022702370247025702670277028702970307031703270337034703570367037703870397040704170427043704470457046704770487049705070517052705370547055705670577058705970607061706270637064706570667067706870697070707170727073707470757076707770787079708070817082708370847085708670877088708970907091709270937094709570967097709870997100710171027103710471057106710771087109711071117112711371147115711671177118711971207121712271237124712571267127712871297130713171327133713471357136713771387139714071417142714371447145714671477148714971507151715271537154715571567157715871597160716171627163716471657166716771687169717071717172717371747175717671777178717971807181718271837184718571867187718871897190719171927193719471957196719771987199720072017202720372047205720672077208720972107211721272137214721572167217721872197220722172227223722472257226722772287229723072317232723372347235723672377238723972407241724272437244724572467247724872497250725172527253725472557256725772587259726072617262726372647265726672677268726972707271727272737274727572767277727872797280728172827283728472857286728772887289729072917292729372947295729672977298729973007301730273037304730573067307730873097310731173127313731473157316731773187319732073217322732373247325732673277328732973307331733273337334733573367337733873397340734173427343734473457346734773487349735073517352735373547355735673577358735973607361736273637364736573667367736873697370737173727373737473757376737773787379738073817382738373847385738673877388738973907391739273937394739573967397739873997400740174027403740474057406740774087409741074117412741374147415741674177418741974207421742274237424742574267427742874297430743174327433743474357436743774387439744074417442744374447445744674477448744974507451745274537454745574567457745874597460746174627463746474657466746774687469747074717472747374747475747674777478747974807481748274837484748574867487748874897490749174927493749474957496749774987499750075017502750375047505750675077508750975107511751275137514751575167517751875197520752175227523752475257526752775287529753075317532753375347535753675377538753975407541754275437544754575467547754875497550755175527553755475557556755775587559756075617562756375647565756675677568756975707571757275737574757575767577757875797580758175827583758475857586758775887589759075917592759375947595759675977598759976007601760276037604760576067607760876097610761176127613761476157616761776187619762076217622762376247625762676277628762976307631763276337634763576367637763876397640764176427643764476457646764776487649765076517652765376547655765676577658765976607661766276637664766576667667766876697670767176727673767476757676767776787679768076817682768376847685768676877688768976907691769276937694769576967697769876997700770177027703770477057706770777087709771077117712771377147715771677177718771977207721772277237724772577267727772877297730773177327733773477357736773777387739774077417742774377447745774677477748774977507751775277537754775577567757775877597760776177627763776477657766776777687769777077717772777377747775777677777778777977807781778277837784778577867787778877897790779177927793779477957796779777987799780078017802780378047805780678077808780978107811781278137814781578167817781878197820782178227823782478257826782778287829783078317832783378347835783678377838783978407841784278437844784578467847784878497850785178527853785478557856785778587859786078617862786378647865786678677868786978707871787278737874787578767877787878797880788178827883788478857886788778887889789078917892789378947895789678977898789979007901790279037904790579067907790879097910791179127913791479157916791779187919792079217922792379247925792679277928792979307931793279337934793579367937793879397940794179427943794479457946794779487949795079517952795379547955795679577958795979607961796279637964796579667967796879697970797179727973797479757976797779787979798079817982798379847985798679877988798979907991799279937994799579967997799879998000800180028003800480058006800780088009801080118012801380148015801680178018801980208021802280238024802580268027802880298030803180328033803480358036803780388039804080418042804380448045804680478048804980508051805280538054805580568057805880598060806180628063806480658066806780688069807080718072807380748075807680778078807980808081808280838084808580868087808880898090809180928093809480958096809780988099810081018102810381048105810681078108810981108111811281138114811581168117811881198120812181228123812481258126812781288129813081318132813381348135813681378138813981408141814281438144814581468147814881498150815181528153815481558156815781588159816081618162816381648165816681678168816981708171817281738174817581768177817881798180818181828183818481858186818781888189819081918192819381948195819681978198819982008201820282038204820582068207820882098210821182128213821482158216821782188219822082218222822382248225822682278228822982308231823282338234823582368237823882398240824182428243824482458246824782488249825082518252825382548255825682578258825982608261826282638264826582668267826882698270827182728273827482758276827782788279828082818282828382848285828682878288828982908291829282938294829582968297829882998300830183028303830483058306830783088309831083118312831383148315831683178318831983208321832283238324832583268327832883298330833183328333833483358336833783388339834083418342834383448345834683478348834983508351835283538354835583568357835883598360836183628363836483658366836783688369837083718372837383748375837683778378837983808381838283838384838583868387838883898390839183928393839483958396839783988399840084018402840384048405840684078408840984108411841284138414841584168417841884198420842184228423842484258426842784288429843084318432843384348435843684378438843984408441844284438444844584468447844884498450845184528453845484558456845784588459846084618462846384648465846684678468846984708471847284738474847584768477847884798480848184828483848484858486848784888489849084918492849384948495849684978498849985008501850285038504850585068507850885098510851185128513851485158516851785188519852085218522852385248525852685278528852985308531853285338534853585368537853885398540854185428543854485458546854785488549855085518552855385548555855685578558855985608561856285638564856585668567856885698570857185728573857485758576857785788579858085818582858385848585858685878588858985908591859285938594859585968597859885998600860186028603860486058606860786088609861086118612861386148615861686178618861986208621862286238624862586268627862886298630863186328633863486358636863786388639864086418642864386448645864686478648864986508651865286538654865586568657865886598660866186628663866486658666866786688669867086718672867386748675867686778678867986808681868286838684868586868687868886898690869186928693869486958696869786988699870087018702870387048705870687078708870987108711871287138714871587168717871887198720872187228723872487258726872787288729873087318732873387348735873687378738873987408741874287438744874587468747874887498750875187528753875487558756875787588759876087618762876387648765876687678768876987708771877287738774877587768777877887798780878187828783878487858786878787888789879087918792879387948795879687978798879988008801880288038804880588068807880888098810881188128813881488158816881788188819882088218822882388248825882688278828882988308831883288338834883588368837883888398840884188428843884488458846884788488849885088518852885388548855885688578858885988608861886288638864886588668867886888698870887188728873887488758876887788788879888088818882888388848885888688878888888988908891889288938894889588968897889888998900890189028903890489058906890789088909891089118912891389148915891689178918891989208921892289238924892589268927892889298930893189328933893489358936893789388939894089418942894389448945894689478948894989508951895289538954895589568957895889598960896189628963896489658966896789688969897089718972897389748975897689778978897989808981898289838984898589868987898889898990899189928993899489958996899789988999900090019002900390049005900690079008900990109011901290139014901590169017901890199020902190229023902490259026902790289029903090319032903390349035903690379038903990409041904290439044904590469047904890499050905190529053905490559056905790589059906090619062906390649065906690679068906990709071907290739074907590769077907890799080908190829083908490859086908790889089909090919092909390949095909690979098909991009101910291039104910591069107910891099110911191129113911491159116911791189119912091219122912391249125912691279128912991309131913291339134913591369137913891399140914191429143914491459146914791489149915091519152915391549155915691579158915991609161916291639164916591669167916891699170917191729173917491759176917791789179918091819182918391849185918691879188918991909191919291939194919591969197919891999200920192029203920492059206920792089209921092119212921392149215921692179218921992209221922292239224922592269227922892299230923192329233923492359236923792389239924092419242924392449245924692479248924992509251925292539254925592569257925892599260926192629263926492659266926792689269927092719272927392749275927692779278927992809281928292839284928592869287928892899290929192929293929492959296929792989299930093019302930393049305930693079308930993109311931293139314931593169317931893199320932193229323932493259326932793289329933093319332933393349335933693379338933993409341934293439344934593469347934893499350935193529353935493559356935793589359936093619362936393649365936693679368936993709371937293739374937593769377937893799380938193829383938493859386938793889389939093919392939393949395939693979398939994009401940294039404940594069407940894099410941194129413941494159416941794189419942094219422942394249425942694279428942994309431943294339434943594369437943894399440944194429443944494459446944794489449945094519452945394549455945694579458945994609461946294639464946594669467946894699470947194729473947494759476947794789479948094819482948394849485948694879488948994909491949294939494949594969497949894999500950195029503950495059506950795089509951095119512951395149515951695179518951995209521952295239524952595269527952895299530953195329533953495359536953795389539954095419542954395449545954695479548954995509551955295539554955595569557955895599560956195629563956495659566956795689569957095719572957395749575957695779578957995809581958295839584958595869587958895899590959195929593959495959596959795989599960096019602960396049605960696079608960996109611961296139614961596169617961896199620962196229623962496259626962796289629963096319632963396349635963696379638963996409641964296439644964596469647964896499650965196529653965496559656965796589659966096619662966396649665966696679668966996709671967296739674967596769677967896799680968196829683968496859686968796889689969096919692969396949695969696979698969997009701970297039704970597069707970897099710971197129713971497159716971797189719972097219722972397249725972697279728972997309731973297339734973597369737973897399740974197429743974497459746974797489749975097519752975397549755975697579758975997609761976297639764976597669767976897699770977197729773977497759776977797789779978097819782978397849785978697879788978997909791979297939794979597969797979897999800980198029803980498059806980798089809981098119812981398149815981698179818981998209821982298239824982598269827982898299830983198329833983498359836983798389839984098419842984398449845984698479848984998509851985298539854985598569857985898599860986198629863986498659866986798689869987098719872987398749875987698779878987998809881988298839884988598869887988898899890989198929893989498959896989798989899990099019902990399049905990699079908990999109911991299139914991599169917991899199920992199229923992499259926992799289929993099319932993399349935993699379938993999409941994299439944994599469947994899499950995199529953995499559956995799589959996099619962996399649965996699679968996999709971997299739974997599769977997899799980998199829983998499859986998799889989999099919992999399949995999699979998999910000100011000210003100041000510006100071000810009100101001110012100131001410015100161001710018100191002010021100221002310024100251002610027100281002910030100311003210033100341003510036100371003810039100401004110042100431004410045100461004710048100491005010051100521005310054100551005610057100581005910060100611006210063100641006510066100671006810069100701007110072100731007410075100761007710078100791008010081100821008310084100851008610087100881008910090100911009210093100941009510096100971009810099101001010110102101031010410105101061010710108101091011010111101121011310114101151011610117101181011910120101211012210123101241012510126101271012810129101301013110132101331013410135101361013710138101391014010141101421014310144101451014610147101481014910150101511015210153101541015510156101571015810159101601016110162101631016410165101661016710168101691017010171101721017310174101751017610177101781017910180101811018210183101841018510186101871018810189101901019110192101931019410195101961019710198101991020010201102021020310204102051020610207102081020910210102111021210213102141021510216102171021810219102201022110222102231022410225102261022710228102291023010231102321023310234102351023610237102381023910240102411024210243102441024510246102471024810249102501025110252102531025410255102561025710258102591026010261102621026310264102651026610267102681026910270102711027210273102741027510276102771027810279102801028110282102831028410285102861028710288102891029010291102921029310294102951029610297102981029910300103011030210303103041030510306103071030810309103101031110312103131031410315103161031710318103191032010321103221032310324103251032610327103281032910330103311033210333103341033510336103371033810339103401034110342103431034410345103461034710348103491035010351103521035310354103551035610357103581035910360103611036210363103641036510366103671036810369103701037110372103731037410375103761037710378103791038010381103821038310384103851038610387103881038910390103911039210393103941039510396103971039810399104001040110402104031040410405104061040710408104091041010411104121041310414104151041610417104181041910420104211042210423104241042510426104271042810429104301043110432104331043410435104361043710438104391044010441104421044310444104451044610447104481044910450104511045210453104541045510456104571045810459104601046110462104631046410465104661046710468104691047010471104721047310474104751047610477104781047910480104811048210483104841048510486104871048810489104901049110492104931049410495104961049710498104991050010501105021050310504105051050610507105081050910510105111051210513105141051510516105171051810519105201052110522105231052410525105261052710528105291053010531105321053310534105351053610537105381053910540105411054210543105441054510546105471054810549105501055110552105531055410555105561055710558105591056010561105621056310564105651056610567105681056910570105711057210573105741057510576105771057810579105801058110582105831058410585105861058710588105891059010591105921059310594105951059610597105981059910600106011060210603106041060510606106071060810609106101061110612106131061410615106161061710618106191062010621106221062310624106251062610627106281062910630106311063210633106341063510636106371063810639106401064110642106431064410645106461064710648106491065010651106521065310654106551065610657106581065910660106611066210663106641066510666106671066810669106701067110672106731067410675106761067710678106791068010681106821068310684106851068610687106881068910690106911069210693106941069510696106971069810699107001070110702107031070410705107061070710708107091071010711107121071310714107151071610717107181071910720107211072210723107241072510726107271072810729107301073110732107331073410735107361073710738107391074010741107421074310744107451074610747107481074910750107511075210753107541075510756107571075810759107601076110762107631076410765107661076710768107691077010771107721077310774107751077610777107781077910780107811078210783107841078510786107871078810789107901079110792107931079410795107961079710798107991080010801108021080310804108051080610807108081080910810108111081210813108141081510816108171081810819108201082110822108231082410825108261082710828108291083010831108321083310834108351083610837108381083910840108411084210843108441084510846108471084810849108501085110852108531085410855108561085710858108591086010861108621086310864108651086610867108681086910870108711087210873108741087510876108771087810879108801088110882108831088410885108861088710888108891089010891108921089310894108951089610897108981089910900109011090210903109041090510906109071090810909109101091110912109131091410915109161091710918109191092010921109221092310924109251092610927109281092910930109311093210933109341093510936109371093810939109401094110942109431094410945109461094710948109491095010951109521095310954109551095610957109581095910960109611096210963109641096510966109671096810969109701097110972109731097410975109761097710978109791098010981109821098310984109851098610987109881098910990109911099210993109941099510996109971099810999110001100111002110031100411005110061100711008110091101011011110121101311014110151101611017110181101911020110211102211023110241102511026110271102811029110301103111032110331103411035110361103711038110391104011041110421104311044110451104611047110481104911050110511105211053110541105511056110571105811059110601106111062110631106411065110661106711068110691107011071110721107311074110751107611077110781107911080110811108211083110841108511086110871108811089110901109111092110931109411095110961109711098110991110011101111021110311104111051110611107111081110911110111111111211113111141111511116111171111811119111201112111122111231112411125111261112711128111291113011131111321113311134111351113611137111381113911140111411114211143111441114511146111471114811149111501115111152111531115411155111561115711158111591116011161111621116311164111651116611167111681116911170111711117211173111741117511176111771117811179111801118111182111831118411185111861118711188111891119011191111921119311194111951119611197111981119911200112011120211203112041120511206112071120811209112101121111212112131121411215112161121711218112191122011221112221122311224112251122611227112281122911230112311123211233112341123511236112371123811239112401124111242112431124411245112461124711248112491125011251112521125311254112551125611257112581125911260112611126211263112641126511266112671126811269112701127111272112731127411275112761127711278112791128011281112821128311284112851128611287112881128911290112911129211293112941129511296112971129811299113001130111302113031130411305113061130711308113091131011311113121131311314113151131611317113181131911320113211132211323113241132511326113271132811329113301133111332113331133411335113361133711338113391134011341113421134311344113451134611347113481134911350113511135211353113541135511356113571135811359113601136111362113631136411365113661136711368113691137011371113721137311374113751137611377113781137911380113811138211383113841138511386113871138811389113901139111392113931139411395113961139711398113991140011401114021140311404114051140611407114081140911410114111141211413114141141511416114171141811419114201142111422114231142411425114261142711428114291143011431114321143311434114351143611437114381143911440114411144211443114441144511446114471144811449114501145111452114531145411455114561145711458114591146011461114621146311464114651146611467114681146911470114711147211473114741147511476114771147811479114801148111482114831148411485114861148711488114891149011491114921149311494114951149611497114981149911500115011150211503115041150511506115071150811509115101151111512115131151411515115161151711518115191152011521115221152311524115251152611527115281152911530115311153211533115341153511536115371153811539115401154111542115431154411545115461154711548115491155011551115521155311554115551155611557115581155911560115611156211563115641156511566115671156811569115701157111572115731157411575115761157711578115791158011581115821158311584115851158611587115881158911590115911159211593115941159511596115971159811599116001160111602116031160411605116061160711608116091161011611116121161311614116151161611617116181161911620116211162211623116241162511626116271162811629116301163111632116331163411635116361163711638116391164011641116421164311644116451164611647116481164911650116511165211653116541165511656116571165811659116601166111662116631166411665116661166711668116691167011671116721167311674116751167611677116781167911680116811168211683116841168511686116871168811689116901169111692116931169411695116961169711698116991170011701117021170311704117051170611707117081170911710117111171211713117141171511716117171171811719117201172111722117231172411725117261172711728117291173011731117321173311734117351173611737117381173911740117411174211743117441174511746117471174811749117501175111752117531175411755117561175711758117591176011761117621176311764117651176611767117681176911770117711177211773117741177511776117771177811779117801178111782117831178411785117861178711788117891179011791117921179311794117951179611797117981179911800118011180211803118041180511806118071180811809118101181111812118131181411815118161181711818118191182011821118221182311824118251182611827118281182911830118311183211833118341183511836118371183811839118401184111842118431184411845118461184711848118491185011851118521185311854118551185611857118581185911860118611186211863118641186511866118671186811869118701187111872118731187411875118761187711878118791188011881118821188311884118851188611887118881188911890118911189211893118941189511896118971189811899119001190111902119031190411905119061190711908119091191011911119121191311914119151191611917119181191911920119211192211923119241192511926119271192811929119301193111932119331193411935119361193711938119391194011941119421194311944119451194611947119481194911950119511195211953119541195511956119571195811959119601196111962119631196411965119661196711968119691197011971119721197311974119751197611977119781197911980119811198211983119841198511986119871198811989119901199111992119931199411995119961199711998119991200012001120021200312004120051200612007120081200912010120111201212013120141201512016120171201812019120201202112022120231202412025120261202712028120291203012031120321203312034120351203612037120381203912040120411204212043120441204512046120471204812049120501205112052120531205412055120561205712058120591206012061120621206312064120651206612067120681206912070120711207212073120741207512076120771207812079120801208112082120831208412085120861208712088120891209012091120921209312094120951209612097120981209912100121011210212103121041210512106121071210812109121101211112112121131211412115121161211712118121191212012121121221212312124121251212612127121281212912130121311213212133121341213512136121371213812139121401214112142121431214412145121461214712148121491215012151121521215312154121551215612157121581215912160121611216212163121641216512166121671216812169121701217112172121731217412175121761217712178121791218012181121821218312184121851218612187121881218912190121911219212193121941219512196121971219812199122001220112202122031220412205122061220712208122091221012211122121221312214122151221612217122181221912220122211222212223122241222512226122271222812229122301223112232122331223412235122361223712238122391224012241122421224312244122451224612247122481224912250122511225212253122541225512256122571225812259122601226112262122631226412265122661226712268122691227012271122721227312274122751227612277122781227912280122811228212283122841228512286122871228812289122901229112292122931229412295122961229712298122991230012301123021230312304123051230612307123081230912310123111231212313123141231512316123171231812319123201232112322123231232412325123261232712328123291233012331123321233312334123351233612337123381233912340123411234212343123441234512346123471234812349123501235112352123531235412355123561235712358123591236012361123621236312364123651236612367123681236912370123711237212373123741237512376123771237812379123801238112382123831238412385123861238712388123891239012391123921239312394123951239612397123981239912400124011240212403124041240512406124071240812409124101241112412124131241412415124161241712418124191242012421124221242312424124251242612427124281242912430124311243212433124341243512436124371243812439124401244112442124431244412445124461244712448124491245012451124521245312454124551245612457124581245912460124611246212463124641246512466124671246812469124701247112472124731247412475124761247712478124791248012481124821248312484124851248612487124881248912490124911249212493124941249512496124971249812499125001250112502125031250412505125061250712508125091251012511125121251312514125151251612517125181251912520125211252212523125241252512526125271252812529125301253112532125331253412535125361253712538125391254012541125421254312544125451254612547125481254912550125511255212553125541255512556125571255812559125601256112562125631256412565125661256712568125691257012571125721257312574125751257612577125781257912580125811258212583125841258512586125871258812589125901259112592125931259412595125961259712598125991260012601126021260312604126051260612607126081260912610126111261212613126141261512616126171261812619126201262112622126231262412625126261262712628126291263012631126321263312634126351263612637126381263912640126411264212643126441264512646126471264812649126501265112652126531265412655126561265712658126591266012661126621266312664126651266612667126681266912670126711267212673126741267512676126771267812679126801268112682126831268412685126861268712688126891269012691126921269312694126951269612697126981269912700127011270212703127041270512706127071270812709127101271112712127131271412715127161271712718127191272012721127221272312724127251272612727127281272912730127311273212733127341273512736127371273812739127401274112742127431274412745127461274712748127491275012751127521275312754127551275612757127581275912760127611276212763127641276512766127671276812769127701277112772127731277412775127761277712778127791278012781127821278312784127851278612787127881278912790127911279212793127941279512796127971279812799128001280112802128031280412805128061280712808128091281012811128121281312814128151281612817128181281912820128211282212823128241282512826128271282812829128301283112832128331283412835128361283712838128391284012841128421284312844128451284612847128481284912850128511285212853128541285512856128571285812859128601286112862128631286412865128661286712868128691287012871128721287312874128751287612877128781287912880128811288212883128841288512886128871288812889128901289112892128931289412895128961289712898128991290012901129021290312904129051290612907129081290912910129111291212913129141291512916129171291812919129201292112922129231292412925129261292712928129291293012931129321293312934129351293612937129381293912940129411294212943129441294512946129471294812949129501295112952129531295412955129561295712958129591296012961129621296312964129651296612967129681296912970129711297212973129741297512976129771297812979129801298112982129831298412985129861298712988129891299012991129921299312994129951299612997129981299913000130011300213003130041300513006130071300813009130101301113012130131301413015130161301713018130191302013021130221302313024130251302613027130281302913030130311303213033130341303513036130371303813039130401304113042130431304413045130461304713048130491305013051130521305313054130551305613057130581305913060130611306213063130641306513066130671306813069130701307113072130731307413075130761307713078130791308013081130821308313084130851308613087130881308913090130911309213093130941309513096130971309813099131001310113102131031310413105131061310713108131091311013111131121311313114131151311613117131181311913120131211312213123131241312513126131271312813129131301313113132131331313413135131361313713138131391314013141131421314313144131451314613147131481314913150131511315213153131541315513156131571315813159131601316113162131631316413165131661316713168131691317013171131721317313174131751317613177131781317913180131811318213183131841318513186131871318813189131901319113192131931319413195131961319713198131991320013201132021320313204132051320613207132081320913210132111321213213132141321513216132171321813219132201322113222132231322413225132261322713228132291323013231132321323313234132351323613237132381323913240132411324213243132441324513246132471324813249132501325113252132531325413255132561325713258132591326013261132621326313264132651326613267132681326913270132711327213273132741327513276132771327813279132801328113282132831328413285132861328713288132891329013291132921329313294132951329613297132981329913300133011330213303133041330513306133071330813309133101331113312133131331413315133161331713318133191332013321133221332313324133251332613327133281332913330133311333213333133341333513336133371333813339133401334113342133431334413345133461334713348133491335013351133521335313354133551335613357133581335913360133611336213363133641336513366133671336813369133701337113372133731337413375133761337713378133791338013381133821338313384133851338613387133881338913390133911339213393133941339513396133971339813399134001340113402134031340413405134061340713408134091341013411134121341313414134151341613417134181341913420134211342213423134241342513426134271342813429134301343113432134331343413435134361343713438134391344013441134421344313444134451344613447134481344913450134511345213453134541345513456134571345813459134601346113462134631346413465134661346713468134691347013471134721347313474134751347613477134781347913480134811348213483134841348513486134871348813489134901349113492134931349413495134961349713498134991350013501135021350313504135051350613507135081350913510135111351213513135141351513516135171351813519135201352113522135231352413525135261352713528135291353013531135321353313534135351353613537135381353913540135411354213543135441354513546135471354813549135501355113552135531355413555135561355713558135591356013561135621356313564135651356613567135681356913570135711357213573135741357513576135771357813579135801358113582135831358413585135861358713588135891359013591135921359313594135951359613597135981359913600136011360213603136041360513606136071360813609136101361113612136131361413615136161361713618136191362013621136221362313624136251362613627136281362913630136311363213633136341363513636136371363813639136401364113642136431364413645136461364713648136491365013651136521365313654136551365613657136581365913660136611366213663136641366513666136671366813669136701367113672136731367413675136761367713678136791368013681136821368313684136851368613687136881368913690136911369213693136941369513696136971369813699137001370113702137031370413705137061370713708137091371013711137121371313714137151371613717137181371913720137211372213723137241372513726137271372813729137301373113732137331373413735137361373713738137391374013741137421374313744137451374613747137481374913750137511375213753137541375513756137571375813759137601376113762137631376413765137661376713768137691377013771137721377313774137751377613777137781377913780137811378213783137841378513786137871378813789137901379113792137931379413795137961379713798137991380013801138021380313804138051380613807138081380913810138111381213813138141381513816138171381813819138201382113822138231382413825138261382713828138291383013831138321383313834138351383613837138381383913840138411384213843138441384513846138471384813849138501385113852138531385413855138561385713858138591386013861138621386313864138651386613867138681386913870138711387213873138741387513876138771387813879138801388113882138831388413885138861388713888138891389013891138921389313894138951389613897138981389913900139011390213903139041390513906139071390813909139101391113912139131391413915139161391713918139191392013921139221392313924139251392613927139281392913930139311393213933139341393513936139371393813939139401394113942139431394413945139461394713948139491395013951139521395313954139551395613957139581395913960139611396213963139641396513966139671396813969139701397113972139731397413975139761397713978139791398013981139821398313984139851398613987139881398913990139911399213993139941399513996139971399813999140001400114002140031400414005140061400714008140091401014011140121401314014140151401614017140181401914020140211402214023140241402514026140271402814029140301403114032140331403414035140361403714038140391404014041140421404314044140451404614047140481404914050140511405214053140541405514056140571405814059140601406114062140631406414065140661406714068140691407014071140721407314074
  1. /* Copyright 2008-2013 Broadcom Corporation
  2. * Copyright (c) 2014 QLogic Corporation
  3. * All rights reserved
  4. *
  5. * Unless you and QLogic execute a separate written software license
  6. * agreement governing use of this software, this software is licensed to you
  7. * under the terms of the GNU General Public License version 2, available
  8. * at http://www.gnu.org/licenses/gpl-2.0.html (the "GPL").
  9. *
  10. * Notwithstanding the above, under no circumstances may you combine this
  11. * software in any way with any other Qlogic software provided under a
  12. * license other than the GPL, without Qlogic's express prior written
  13. * consent.
  14. *
  15. * Written by Yaniv Rosner
  16. *
  17. */
  18. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  19. #include <linux/kernel.h>
  20. #include <linux/errno.h>
  21. #include <linux/pci.h>
  22. #include <linux/netdevice.h>
  23. #include <linux/delay.h>
  24. #include <linux/ethtool.h>
  25. #include <linux/mutex.h>
  26. #include "bnx2x.h"
  27. #include "bnx2x_cmn.h"
  28. typedef int (*read_sfp_module_eeprom_func_p)(struct bnx2x_phy *phy,
  29. struct link_params *params,
  30. u8 dev_addr, u16 addr, u8 byte_cnt,
  31. u8 *o_buf, u8);
  32. /********************************************************/
  33. #define MDIO_ACCESS_TIMEOUT 1000
  34. #define WC_LANE_MAX 4
  35. #define I2C_SWITCH_WIDTH 2
  36. #define I2C_BSC0 0
  37. #define I2C_BSC1 1
  38. #define I2C_WA_RETRY_CNT 3
  39. #define I2C_WA_PWR_ITER (I2C_WA_RETRY_CNT - 1)
  40. #define MCPR_IMC_COMMAND_READ_OP 1
  41. #define MCPR_IMC_COMMAND_WRITE_OP 2
  42. /* LED Blink rate that will achieve ~15.9Hz */
  43. #define LED_BLINK_RATE_VAL_E3 354
  44. #define LED_BLINK_RATE_VAL_E1X_E2 480
  45. /***********************************************************/
  46. /* Shortcut definitions */
  47. /***********************************************************/
  48. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  49. #define NIG_STATUS_EMAC0_MI_INT \
  50. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  51. #define NIG_STATUS_XGXS0_LINK10G \
  52. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  53. #define NIG_STATUS_XGXS0_LINK_STATUS \
  54. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  55. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  56. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  57. #define NIG_STATUS_SERDES0_LINK_STATUS \
  58. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  59. #define NIG_MASK_MI_INT \
  60. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  61. #define NIG_MASK_XGXS0_LINK10G \
  62. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  63. #define NIG_MASK_XGXS0_LINK_STATUS \
  64. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  65. #define NIG_MASK_SERDES0_LINK_STATUS \
  66. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  67. #define MDIO_AN_CL73_OR_37_COMPLETE \
  68. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  69. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  70. #define XGXS_RESET_BITS \
  71. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  72. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  73. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  74. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  75. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  76. #define SERDES_RESET_BITS \
  77. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  78. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  79. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  80. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  81. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  82. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  83. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  84. #define AUTONEG_PARALLEL \
  85. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  86. #define AUTONEG_SGMII_FIBER_AUTODET \
  87. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  88. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  89. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  90. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  91. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  92. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  93. #define GP_STATUS_SPEED_MASK \
  94. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  95. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  96. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  97. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  98. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  99. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  100. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  101. #define GP_STATUS_10G_HIG \
  102. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  103. #define GP_STATUS_10G_CX4 \
  104. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  105. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  106. #define GP_STATUS_10G_KX4 \
  107. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  108. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  109. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  110. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  111. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  112. #define GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2
  113. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  114. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  115. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  116. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  117. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  118. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  119. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  120. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  121. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  122. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  123. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  124. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  125. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  126. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  127. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  128. #define LINK_UPDATE_MASK \
  129. (LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
  130. LINK_STATUS_LINK_UP | \
  131. LINK_STATUS_PHYSICAL_LINK_FLAG | \
  132. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
  133. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
  134. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
  135. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
  136. LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
  137. LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
  138. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  139. #define SFP_EEPROM_CON_TYPE_VAL_UNKNOWN 0x0
  140. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  141. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  142. #define SFP_EEPROM_CON_TYPE_VAL_RJ45 0x22
  143. #define SFP_EEPROM_10G_COMP_CODE_ADDR 0x3
  144. #define SFP_EEPROM_10G_COMP_CODE_SR_MASK (1<<4)
  145. #define SFP_EEPROM_10G_COMP_CODE_LR_MASK (1<<5)
  146. #define SFP_EEPROM_10G_COMP_CODE_LRM_MASK (1<<6)
  147. #define SFP_EEPROM_1G_COMP_CODE_ADDR 0x6
  148. #define SFP_EEPROM_1G_COMP_CODE_SX (1<<0)
  149. #define SFP_EEPROM_1G_COMP_CODE_LX (1<<1)
  150. #define SFP_EEPROM_1G_COMP_CODE_CX (1<<2)
  151. #define SFP_EEPROM_1G_COMP_CODE_BASE_T (1<<3)
  152. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  153. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  154. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  155. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  156. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  157. #define SFP_EEPROM_OPTIONS_SIZE 2
  158. #define EDC_MODE_LINEAR 0x0022
  159. #define EDC_MODE_LIMITING 0x0044
  160. #define EDC_MODE_PASSIVE_DAC 0x0055
  161. #define EDC_MODE_ACTIVE_DAC 0x0066
  162. /* ETS defines*/
  163. #define DCBX_INVALID_COS (0xFF)
  164. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  165. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  166. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  167. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  168. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  169. #define MAX_PACKET_SIZE (9700)
  170. #define MAX_KR_LINK_RETRY 4
  171. #define DEFAULT_TX_DRV_BRDCT 2
  172. #define DEFAULT_TX_DRV_IFIR 0
  173. #define DEFAULT_TX_DRV_POST2 3
  174. #define DEFAULT_TX_DRV_IPRE_DRIVER 6
  175. /**********************************************************/
  176. /* INTERFACE */
  177. /**********************************************************/
  178. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  179. bnx2x_cl45_write(_bp, _phy, \
  180. (_phy)->def_md_devad, \
  181. (_bank + (_addr & 0xf)), \
  182. _val)
  183. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  184. bnx2x_cl45_read(_bp, _phy, \
  185. (_phy)->def_md_devad, \
  186. (_bank + (_addr & 0xf)), \
  187. _val)
  188. static int bnx2x_check_half_open_conn(struct link_params *params,
  189. struct link_vars *vars, u8 notify);
  190. static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  191. struct link_params *params);
  192. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  193. {
  194. u32 val = REG_RD(bp, reg);
  195. val |= bits;
  196. REG_WR(bp, reg, val);
  197. return val;
  198. }
  199. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  200. {
  201. u32 val = REG_RD(bp, reg);
  202. val &= ~bits;
  203. REG_WR(bp, reg, val);
  204. return val;
  205. }
  206. /*
  207. * bnx2x_check_lfa - This function checks if link reinitialization is required,
  208. * or link flap can be avoided.
  209. *
  210. * @params: link parameters
  211. * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
  212. * condition code.
  213. */
  214. static int bnx2x_check_lfa(struct link_params *params)
  215. {
  216. u32 link_status, cfg_idx, lfa_mask, cfg_size;
  217. u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
  218. u32 saved_val, req_val, eee_status;
  219. struct bnx2x *bp = params->bp;
  220. additional_config =
  221. REG_RD(bp, params->lfa_base +
  222. offsetof(struct shmem_lfa, additional_config));
  223. /* NOTE: must be first condition checked -
  224. * to verify DCC bit is cleared in any case!
  225. */
  226. if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
  227. DP(NETIF_MSG_LINK, "No LFA due to DCC flap after clp exit\n");
  228. REG_WR(bp, params->lfa_base +
  229. offsetof(struct shmem_lfa, additional_config),
  230. additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
  231. return LFA_DCC_LFA_DISABLED;
  232. }
  233. /* Verify that link is up */
  234. link_status = REG_RD(bp, params->shmem_base +
  235. offsetof(struct shmem_region,
  236. port_mb[params->port].link_status));
  237. if (!(link_status & LINK_STATUS_LINK_UP))
  238. return LFA_LINK_DOWN;
  239. /* if loaded after BOOT from SAN, don't flap the link in any case and
  240. * rely on link set by preboot driver
  241. */
  242. if (params->feature_config_flags & FEATURE_CONFIG_BOOT_FROM_SAN)
  243. return 0;
  244. /* Verify that loopback mode is not set */
  245. if (params->loopback_mode)
  246. return LFA_LOOPBACK_ENABLED;
  247. /* Verify that MFW supports LFA */
  248. if (!params->lfa_base)
  249. return LFA_MFW_IS_TOO_OLD;
  250. if (params->num_phys == 3) {
  251. cfg_size = 2;
  252. lfa_mask = 0xffffffff;
  253. } else {
  254. cfg_size = 1;
  255. lfa_mask = 0xffff;
  256. }
  257. /* Compare Duplex */
  258. saved_val = REG_RD(bp, params->lfa_base +
  259. offsetof(struct shmem_lfa, req_duplex));
  260. req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
  261. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  262. DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n",
  263. (saved_val & lfa_mask), (req_val & lfa_mask));
  264. return LFA_DUPLEX_MISMATCH;
  265. }
  266. /* Compare Flow Control */
  267. saved_val = REG_RD(bp, params->lfa_base +
  268. offsetof(struct shmem_lfa, req_flow_ctrl));
  269. req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
  270. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  271. DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n",
  272. (saved_val & lfa_mask), (req_val & lfa_mask));
  273. return LFA_FLOW_CTRL_MISMATCH;
  274. }
  275. /* Compare Link Speed */
  276. saved_val = REG_RD(bp, params->lfa_base +
  277. offsetof(struct shmem_lfa, req_line_speed));
  278. req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
  279. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  280. DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n",
  281. (saved_val & lfa_mask), (req_val & lfa_mask));
  282. return LFA_LINK_SPEED_MISMATCH;
  283. }
  284. for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
  285. cur_speed_cap_mask = REG_RD(bp, params->lfa_base +
  286. offsetof(struct shmem_lfa,
  287. speed_cap_mask[cfg_idx]));
  288. if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
  289. DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
  290. cur_speed_cap_mask,
  291. params->speed_cap_mask[cfg_idx]);
  292. return LFA_SPEED_CAP_MISMATCH;
  293. }
  294. }
  295. cur_req_fc_auto_adv =
  296. REG_RD(bp, params->lfa_base +
  297. offsetof(struct shmem_lfa, additional_config)) &
  298. REQ_FC_AUTO_ADV_MASK;
  299. if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
  300. DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
  301. cur_req_fc_auto_adv, params->req_fc_auto_adv);
  302. return LFA_FLOW_CTRL_MISMATCH;
  303. }
  304. eee_status = REG_RD(bp, params->shmem2_base +
  305. offsetof(struct shmem2_region,
  306. eee_status[params->port]));
  307. if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
  308. (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
  309. ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
  310. (params->eee_mode & EEE_MODE_ADV_LPI))) {
  311. DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
  312. eee_status);
  313. return LFA_EEE_MISMATCH;
  314. }
  315. /* LFA conditions are met */
  316. return 0;
  317. }
  318. /******************************************************************/
  319. /* EPIO/GPIO section */
  320. /******************************************************************/
  321. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  322. {
  323. u32 epio_mask, gp_oenable;
  324. *en = 0;
  325. /* Sanity check */
  326. if (epio_pin > 31) {
  327. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  328. return;
  329. }
  330. epio_mask = 1 << epio_pin;
  331. /* Set this EPIO to output */
  332. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  333. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  334. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  335. }
  336. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  337. {
  338. u32 epio_mask, gp_output, gp_oenable;
  339. /* Sanity check */
  340. if (epio_pin > 31) {
  341. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  342. return;
  343. }
  344. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  345. epio_mask = 1 << epio_pin;
  346. /* Set this EPIO to output */
  347. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  348. if (en)
  349. gp_output |= epio_mask;
  350. else
  351. gp_output &= ~epio_mask;
  352. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  353. /* Set the value for this EPIO */
  354. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  355. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  356. }
  357. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  358. {
  359. if (pin_cfg == PIN_CFG_NA)
  360. return;
  361. if (pin_cfg >= PIN_CFG_EPIO0) {
  362. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  363. } else {
  364. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  365. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  366. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  367. }
  368. }
  369. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  370. {
  371. if (pin_cfg == PIN_CFG_NA)
  372. return -EINVAL;
  373. if (pin_cfg >= PIN_CFG_EPIO0) {
  374. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  375. } else {
  376. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  377. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  378. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  379. }
  380. return 0;
  381. }
  382. /******************************************************************/
  383. /* ETS section */
  384. /******************************************************************/
  385. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  386. {
  387. /* ETS disabled configuration*/
  388. struct bnx2x *bp = params->bp;
  389. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  390. /* mapping between entry priority to client number (0,1,2 -debug and
  391. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  392. * 3bits client num.
  393. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  394. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  395. */
  396. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  397. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  398. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  399. * COS0 entry, 4 - COS1 entry.
  400. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  401. * bit4 bit3 bit2 bit1 bit0
  402. * MCP and debug are strict
  403. */
  404. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  405. /* defines which entries (clients) are subjected to WFQ arbitration */
  406. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  407. /* For strict priority entries defines the number of consecutive
  408. * slots for the highest priority.
  409. */
  410. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  411. /* mapping between the CREDIT_WEIGHT registers and actual client
  412. * numbers
  413. */
  414. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  415. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  416. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  417. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  418. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  419. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  420. /* ETS mode disable */
  421. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  422. /* If ETS mode is enabled (there is no strict priority) defines a WFQ
  423. * weight for COS0/COS1.
  424. */
  425. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  426. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  427. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  428. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  429. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  430. /* Defines the number of consecutive slots for the strict priority */
  431. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  432. }
  433. /******************************************************************************
  434. * Description:
  435. * Getting min_w_val will be set according to line speed .
  436. *.
  437. ******************************************************************************/
  438. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  439. {
  440. u32 min_w_val = 0;
  441. /* Calculate min_w_val.*/
  442. if (vars->link_up) {
  443. if (vars->line_speed == SPEED_20000)
  444. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  445. else
  446. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  447. } else
  448. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  449. /* If the link isn't up (static configuration for example ) The
  450. * link will be according to 20GBPS.
  451. */
  452. return min_w_val;
  453. }
  454. /******************************************************************************
  455. * Description:
  456. * Getting credit upper bound form min_w_val.
  457. *.
  458. ******************************************************************************/
  459. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  460. {
  461. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  462. MAX_PACKET_SIZE);
  463. return credit_upper_bound;
  464. }
  465. /******************************************************************************
  466. * Description:
  467. * Set credit upper bound for NIG.
  468. *.
  469. ******************************************************************************/
  470. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  471. const struct link_params *params,
  472. const u32 min_w_val)
  473. {
  474. struct bnx2x *bp = params->bp;
  475. const u8 port = params->port;
  476. const u32 credit_upper_bound =
  477. bnx2x_ets_get_credit_upper_bound(min_w_val);
  478. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  479. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  480. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  481. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  482. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  483. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  484. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  485. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  486. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  487. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  488. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  489. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  490. if (!port) {
  491. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  492. credit_upper_bound);
  493. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  494. credit_upper_bound);
  495. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  496. credit_upper_bound);
  497. }
  498. }
  499. /******************************************************************************
  500. * Description:
  501. * Will return the NIG ETS registers to init values.Except
  502. * credit_upper_bound.
  503. * That isn't used in this configuration (No WFQ is enabled) and will be
  504. * configured according to spec
  505. *.
  506. ******************************************************************************/
  507. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  508. const struct link_vars *vars)
  509. {
  510. struct bnx2x *bp = params->bp;
  511. const u8 port = params->port;
  512. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  513. /* Mapping between entry priority to client number (0,1,2 -debug and
  514. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  515. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  516. * reset value or init tool
  517. */
  518. if (port) {
  519. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  520. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  521. } else {
  522. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  523. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  524. }
  525. /* For strict priority entries defines the number of consecutive
  526. * slots for the highest priority.
  527. */
  528. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  529. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  530. /* Mapping between the CREDIT_WEIGHT registers and actual client
  531. * numbers
  532. */
  533. if (port) {
  534. /*Port 1 has 6 COS*/
  535. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  536. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  537. } else {
  538. /*Port 0 has 9 COS*/
  539. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  540. 0x43210876);
  541. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  542. }
  543. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  544. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  545. * COS0 entry, 4 - COS1 entry.
  546. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  547. * bit4 bit3 bit2 bit1 bit0
  548. * MCP and debug are strict
  549. */
  550. if (port)
  551. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  552. else
  553. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  554. /* defines which entries (clients) are subjected to WFQ arbitration */
  555. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  556. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  557. /* Please notice the register address are note continuous and a
  558. * for here is note appropriate.In 2 port mode port0 only COS0-5
  559. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  560. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  561. * are never used for WFQ
  562. */
  563. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  564. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  565. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  566. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  567. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  568. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  569. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  570. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  571. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  572. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  573. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  574. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  575. if (!port) {
  576. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  577. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  578. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  579. }
  580. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  581. }
  582. /******************************************************************************
  583. * Description:
  584. * Set credit upper bound for PBF.
  585. *.
  586. ******************************************************************************/
  587. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  588. const struct link_params *params,
  589. const u32 min_w_val)
  590. {
  591. struct bnx2x *bp = params->bp;
  592. const u32 credit_upper_bound =
  593. bnx2x_ets_get_credit_upper_bound(min_w_val);
  594. const u8 port = params->port;
  595. u32 base_upper_bound = 0;
  596. u8 max_cos = 0;
  597. u8 i = 0;
  598. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  599. * port mode port1 has COS0-2 that can be used for WFQ.
  600. */
  601. if (!port) {
  602. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  603. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  604. } else {
  605. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  606. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  607. }
  608. for (i = 0; i < max_cos; i++)
  609. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  610. }
  611. /******************************************************************************
  612. * Description:
  613. * Will return the PBF ETS registers to init values.Except
  614. * credit_upper_bound.
  615. * That isn't used in this configuration (No WFQ is enabled) and will be
  616. * configured according to spec
  617. *.
  618. ******************************************************************************/
  619. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  620. {
  621. struct bnx2x *bp = params->bp;
  622. const u8 port = params->port;
  623. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  624. u8 i = 0;
  625. u32 base_weight = 0;
  626. u8 max_cos = 0;
  627. /* Mapping between entry priority to client number 0 - COS0
  628. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  629. * TODO_ETS - Should be done by reset value or init tool
  630. */
  631. if (port)
  632. /* 0x688 (|011|0 10|00 1|000) */
  633. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  634. else
  635. /* (10 1|100 |011|0 10|00 1|000) */
  636. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  637. /* TODO_ETS - Should be done by reset value or init tool */
  638. if (port)
  639. /* 0x688 (|011|0 10|00 1|000)*/
  640. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  641. else
  642. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  643. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  644. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  645. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  646. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  647. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  648. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  649. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  650. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
  651. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  652. */
  653. if (!port) {
  654. base_weight = PBF_REG_COS0_WEIGHT_P0;
  655. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  656. } else {
  657. base_weight = PBF_REG_COS0_WEIGHT_P1;
  658. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  659. }
  660. for (i = 0; i < max_cos; i++)
  661. REG_WR(bp, base_weight + (0x4 * i), 0);
  662. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  663. }
  664. /******************************************************************************
  665. * Description:
  666. * E3B0 disable will return basically the values to init values.
  667. *.
  668. ******************************************************************************/
  669. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  670. const struct link_vars *vars)
  671. {
  672. struct bnx2x *bp = params->bp;
  673. if (!CHIP_IS_E3B0(bp)) {
  674. DP(NETIF_MSG_LINK,
  675. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  676. return -EINVAL;
  677. }
  678. bnx2x_ets_e3b0_nig_disabled(params, vars);
  679. bnx2x_ets_e3b0_pbf_disabled(params);
  680. return 0;
  681. }
  682. /******************************************************************************
  683. * Description:
  684. * Disable will return basically the values to init values.
  685. *
  686. ******************************************************************************/
  687. int bnx2x_ets_disabled(struct link_params *params,
  688. struct link_vars *vars)
  689. {
  690. struct bnx2x *bp = params->bp;
  691. int bnx2x_status = 0;
  692. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  693. bnx2x_ets_e2e3a0_disabled(params);
  694. else if (CHIP_IS_E3B0(bp))
  695. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  696. else {
  697. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  698. return -EINVAL;
  699. }
  700. return bnx2x_status;
  701. }
  702. /******************************************************************************
  703. * Description
  704. * Set the COS mappimg to SP and BW until this point all the COS are not
  705. * set as SP or BW.
  706. ******************************************************************************/
  707. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  708. const struct bnx2x_ets_params *ets_params,
  709. const u8 cos_sp_bitmap,
  710. const u8 cos_bw_bitmap)
  711. {
  712. struct bnx2x *bp = params->bp;
  713. const u8 port = params->port;
  714. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  715. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  716. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  717. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  718. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  719. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  720. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  721. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  722. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  723. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  724. nig_cli_subject2wfq_bitmap);
  725. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  726. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  727. pbf_cli_subject2wfq_bitmap);
  728. return 0;
  729. }
  730. /******************************************************************************
  731. * Description:
  732. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  733. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  734. ******************************************************************************/
  735. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  736. const u8 cos_entry,
  737. const u32 min_w_val_nig,
  738. const u32 min_w_val_pbf,
  739. const u16 total_bw,
  740. const u8 bw,
  741. const u8 port)
  742. {
  743. u32 nig_reg_adress_crd_weight = 0;
  744. u32 pbf_reg_adress_crd_weight = 0;
  745. /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
  746. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  747. const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
  748. switch (cos_entry) {
  749. case 0:
  750. nig_reg_adress_crd_weight =
  751. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  752. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  753. pbf_reg_adress_crd_weight = (port) ?
  754. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  755. break;
  756. case 1:
  757. nig_reg_adress_crd_weight = (port) ?
  758. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  759. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  760. pbf_reg_adress_crd_weight = (port) ?
  761. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  762. break;
  763. case 2:
  764. nig_reg_adress_crd_weight = (port) ?
  765. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  766. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  767. pbf_reg_adress_crd_weight = (port) ?
  768. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  769. break;
  770. case 3:
  771. if (port)
  772. return -EINVAL;
  773. nig_reg_adress_crd_weight =
  774. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  775. pbf_reg_adress_crd_weight =
  776. PBF_REG_COS3_WEIGHT_P0;
  777. break;
  778. case 4:
  779. if (port)
  780. return -EINVAL;
  781. nig_reg_adress_crd_weight =
  782. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  783. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  784. break;
  785. case 5:
  786. if (port)
  787. return -EINVAL;
  788. nig_reg_adress_crd_weight =
  789. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  790. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  791. break;
  792. }
  793. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  794. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  795. return 0;
  796. }
  797. /******************************************************************************
  798. * Description:
  799. * Calculate the total BW.A value of 0 isn't legal.
  800. *
  801. ******************************************************************************/
  802. static int bnx2x_ets_e3b0_get_total_bw(
  803. const struct link_params *params,
  804. struct bnx2x_ets_params *ets_params,
  805. u16 *total_bw)
  806. {
  807. struct bnx2x *bp = params->bp;
  808. u8 cos_idx = 0;
  809. u8 is_bw_cos_exist = 0;
  810. *total_bw = 0 ;
  811. /* Calculate total BW requested */
  812. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  813. if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
  814. is_bw_cos_exist = 1;
  815. if (!ets_params->cos[cos_idx].params.bw_params.bw) {
  816. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
  817. "was set to 0\n");
  818. /* This is to prevent a state when ramrods
  819. * can't be sent
  820. */
  821. ets_params->cos[cos_idx].params.bw_params.bw
  822. = 1;
  823. }
  824. *total_bw +=
  825. ets_params->cos[cos_idx].params.bw_params.bw;
  826. }
  827. }
  828. /* Check total BW is valid */
  829. if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
  830. if (*total_bw == 0) {
  831. DP(NETIF_MSG_LINK,
  832. "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
  833. return -EINVAL;
  834. }
  835. DP(NETIF_MSG_LINK,
  836. "bnx2x_ets_E3B0_config total BW should be 100\n");
  837. /* We can handle a case whre the BW isn't 100 this can happen
  838. * if the TC are joined.
  839. */
  840. }
  841. return 0;
  842. }
  843. /******************************************************************************
  844. * Description:
  845. * Invalidate all the sp_pri_to_cos.
  846. *
  847. ******************************************************************************/
  848. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  849. {
  850. u8 pri = 0;
  851. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  852. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  853. }
  854. /******************************************************************************
  855. * Description:
  856. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  857. * according to sp_pri_to_cos.
  858. *
  859. ******************************************************************************/
  860. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  861. u8 *sp_pri_to_cos, const u8 pri,
  862. const u8 cos_entry)
  863. {
  864. struct bnx2x *bp = params->bp;
  865. const u8 port = params->port;
  866. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  867. DCBX_E3B0_MAX_NUM_COS_PORT0;
  868. if (pri >= max_num_of_cos) {
  869. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  870. "parameter Illegal strict priority\n");
  871. return -EINVAL;
  872. }
  873. if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
  874. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  875. "parameter There can't be two COS's with "
  876. "the same strict pri\n");
  877. return -EINVAL;
  878. }
  879. sp_pri_to_cos[pri] = cos_entry;
  880. return 0;
  881. }
  882. /******************************************************************************
  883. * Description:
  884. * Returns the correct value according to COS and priority in
  885. * the sp_pri_cli register.
  886. *
  887. ******************************************************************************/
  888. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  889. const u8 pri_set,
  890. const u8 pri_offset,
  891. const u8 entry_size)
  892. {
  893. u64 pri_cli_nig = 0;
  894. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  895. (pri_set + pri_offset));
  896. return pri_cli_nig;
  897. }
  898. /******************************************************************************
  899. * Description:
  900. * Returns the correct value according to COS and priority in the
  901. * sp_pri_cli register for NIG.
  902. *
  903. ******************************************************************************/
  904. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  905. {
  906. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  907. const u8 nig_cos_offset = 3;
  908. const u8 nig_pri_offset = 3;
  909. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  910. nig_pri_offset, 4);
  911. }
  912. /******************************************************************************
  913. * Description:
  914. * Returns the correct value according to COS and priority in the
  915. * sp_pri_cli register for PBF.
  916. *
  917. ******************************************************************************/
  918. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  919. {
  920. const u8 pbf_cos_offset = 0;
  921. const u8 pbf_pri_offset = 0;
  922. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  923. pbf_pri_offset, 3);
  924. }
  925. /******************************************************************************
  926. * Description:
  927. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  928. * according to sp_pri_to_cos.(which COS has higher priority)
  929. *
  930. ******************************************************************************/
  931. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  932. u8 *sp_pri_to_cos)
  933. {
  934. struct bnx2x *bp = params->bp;
  935. u8 i = 0;
  936. const u8 port = params->port;
  937. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  938. u64 pri_cli_nig = 0x210;
  939. u32 pri_cli_pbf = 0x0;
  940. u8 pri_set = 0;
  941. u8 pri_bitmask = 0;
  942. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  943. DCBX_E3B0_MAX_NUM_COS_PORT0;
  944. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  945. /* Set all the strict priority first */
  946. for (i = 0; i < max_num_of_cos; i++) {
  947. if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
  948. if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
  949. DP(NETIF_MSG_LINK,
  950. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  951. "invalid cos entry\n");
  952. return -EINVAL;
  953. }
  954. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  955. sp_pri_to_cos[i], pri_set);
  956. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  957. sp_pri_to_cos[i], pri_set);
  958. pri_bitmask = 1 << sp_pri_to_cos[i];
  959. /* COS is used remove it from bitmap.*/
  960. if (!(pri_bitmask & cos_bit_to_set)) {
  961. DP(NETIF_MSG_LINK,
  962. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  963. "invalid There can't be two COS's with"
  964. " the same strict pri\n");
  965. return -EINVAL;
  966. }
  967. cos_bit_to_set &= ~pri_bitmask;
  968. pri_set++;
  969. }
  970. }
  971. /* Set all the Non strict priority i= COS*/
  972. for (i = 0; i < max_num_of_cos; i++) {
  973. pri_bitmask = 1 << i;
  974. /* Check if COS was already used for SP */
  975. if (pri_bitmask & cos_bit_to_set) {
  976. /* COS wasn't used for SP */
  977. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  978. i, pri_set);
  979. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  980. i, pri_set);
  981. /* COS is used remove it from bitmap.*/
  982. cos_bit_to_set &= ~pri_bitmask;
  983. pri_set++;
  984. }
  985. }
  986. if (pri_set != max_num_of_cos) {
  987. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  988. "entries were set\n");
  989. return -EINVAL;
  990. }
  991. if (port) {
  992. /* Only 6 usable clients*/
  993. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  994. (u32)pri_cli_nig);
  995. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  996. } else {
  997. /* Only 9 usable clients*/
  998. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  999. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  1000. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  1001. pri_cli_nig_lsb);
  1002. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  1003. pri_cli_nig_msb);
  1004. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  1005. }
  1006. return 0;
  1007. }
  1008. /******************************************************************************
  1009. * Description:
  1010. * Configure the COS to ETS according to BW and SP settings.
  1011. ******************************************************************************/
  1012. int bnx2x_ets_e3b0_config(const struct link_params *params,
  1013. const struct link_vars *vars,
  1014. struct bnx2x_ets_params *ets_params)
  1015. {
  1016. struct bnx2x *bp = params->bp;
  1017. int bnx2x_status = 0;
  1018. const u8 port = params->port;
  1019. u16 total_bw = 0;
  1020. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  1021. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  1022. u8 cos_bw_bitmap = 0;
  1023. u8 cos_sp_bitmap = 0;
  1024. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  1025. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  1026. DCBX_E3B0_MAX_NUM_COS_PORT0;
  1027. u8 cos_entry = 0;
  1028. if (!CHIP_IS_E3B0(bp)) {
  1029. DP(NETIF_MSG_LINK,
  1030. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  1031. return -EINVAL;
  1032. }
  1033. if ((ets_params->num_of_cos > max_num_of_cos)) {
  1034. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  1035. "isn't supported\n");
  1036. return -EINVAL;
  1037. }
  1038. /* Prepare sp strict priority parameters*/
  1039. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  1040. /* Prepare BW parameters*/
  1041. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  1042. &total_bw);
  1043. if (bnx2x_status) {
  1044. DP(NETIF_MSG_LINK,
  1045. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  1046. return -EINVAL;
  1047. }
  1048. /* Upper bound is set according to current link speed (min_w_val
  1049. * should be the same for upper bound and COS credit val).
  1050. */
  1051. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  1052. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  1053. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  1054. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  1055. cos_bw_bitmap |= (1 << cos_entry);
  1056. /* The function also sets the BW in HW(not the mappin
  1057. * yet)
  1058. */
  1059. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  1060. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  1061. total_bw,
  1062. ets_params->cos[cos_entry].params.bw_params.bw,
  1063. port);
  1064. } else if (bnx2x_cos_state_strict ==
  1065. ets_params->cos[cos_entry].state){
  1066. cos_sp_bitmap |= (1 << cos_entry);
  1067. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1068. params,
  1069. sp_pri_to_cos,
  1070. ets_params->cos[cos_entry].params.sp_params.pri,
  1071. cos_entry);
  1072. } else {
  1073. DP(NETIF_MSG_LINK,
  1074. "bnx2x_ets_e3b0_config cos state not valid\n");
  1075. return -EINVAL;
  1076. }
  1077. if (bnx2x_status) {
  1078. DP(NETIF_MSG_LINK,
  1079. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1080. return bnx2x_status;
  1081. }
  1082. }
  1083. /* Set SP register (which COS has higher priority) */
  1084. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1085. sp_pri_to_cos);
  1086. if (bnx2x_status) {
  1087. DP(NETIF_MSG_LINK,
  1088. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1089. return bnx2x_status;
  1090. }
  1091. /* Set client mapping of BW and strict */
  1092. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1093. cos_sp_bitmap,
  1094. cos_bw_bitmap);
  1095. if (bnx2x_status) {
  1096. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1097. return bnx2x_status;
  1098. }
  1099. return 0;
  1100. }
  1101. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1102. {
  1103. /* ETS disabled configuration */
  1104. struct bnx2x *bp = params->bp;
  1105. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1106. /* Defines which entries (clients) are subjected to WFQ arbitration
  1107. * COS0 0x8
  1108. * COS1 0x10
  1109. */
  1110. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1111. /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
  1112. * client numbers (WEIGHT_0 does not actually have to represent
  1113. * client 0)
  1114. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1115. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1116. */
  1117. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1118. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1119. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1120. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1121. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1122. /* ETS mode enabled*/
  1123. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1124. /* Defines the number of consecutive slots for the strict priority */
  1125. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1126. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1127. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1128. * entry, 4 - COS1 entry.
  1129. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1130. * bit4 bit3 bit2 bit1 bit0
  1131. * MCP and debug are strict
  1132. */
  1133. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1134. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1135. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1136. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1137. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1138. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1139. }
  1140. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1141. const u32 cos1_bw)
  1142. {
  1143. /* ETS disabled configuration*/
  1144. struct bnx2x *bp = params->bp;
  1145. const u32 total_bw = cos0_bw + cos1_bw;
  1146. u32 cos0_credit_weight = 0;
  1147. u32 cos1_credit_weight = 0;
  1148. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1149. if ((!total_bw) ||
  1150. (!cos0_bw) ||
  1151. (!cos1_bw)) {
  1152. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1153. return;
  1154. }
  1155. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1156. total_bw;
  1157. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1158. total_bw;
  1159. bnx2x_ets_bw_limit_common(params);
  1160. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1161. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1162. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1163. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1164. }
  1165. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1166. {
  1167. /* ETS disabled configuration*/
  1168. struct bnx2x *bp = params->bp;
  1169. u32 val = 0;
  1170. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1171. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1172. * as strict. Bits 0,1,2 - debug and management entries,
  1173. * 3 - COS0 entry, 4 - COS1 entry.
  1174. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1175. * bit4 bit3 bit2 bit1 bit0
  1176. * MCP and debug are strict
  1177. */
  1178. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1179. /* For strict priority entries defines the number of consecutive slots
  1180. * for the highest priority.
  1181. */
  1182. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1183. /* ETS mode disable */
  1184. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1185. /* Defines the number of consecutive slots for the strict priority */
  1186. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1187. /* Defines the number of consecutive slots for the strict priority */
  1188. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1189. /* Mapping between entry priority to client number (0,1,2 -debug and
  1190. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1191. * 3bits client num.
  1192. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1193. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1194. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1195. */
  1196. val = (!strict_cos) ? 0x2318 : 0x22E0;
  1197. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1198. return 0;
  1199. }
  1200. /******************************************************************/
  1201. /* PFC section */
  1202. /******************************************************************/
  1203. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1204. struct link_vars *vars,
  1205. u8 is_lb)
  1206. {
  1207. struct bnx2x *bp = params->bp;
  1208. u32 xmac_base;
  1209. u32 pause_val, pfc0_val, pfc1_val;
  1210. /* XMAC base adrr */
  1211. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1212. /* Initialize pause and pfc registers */
  1213. pause_val = 0x18000;
  1214. pfc0_val = 0xFFFF8000;
  1215. pfc1_val = 0x2;
  1216. /* No PFC support */
  1217. if (!(params->feature_config_flags &
  1218. FEATURE_CONFIG_PFC_ENABLED)) {
  1219. /* RX flow control - Process pause frame in receive direction
  1220. */
  1221. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1222. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1223. /* TX flow control - Send pause packet when buffer is full */
  1224. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1225. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1226. } else {/* PFC support */
  1227. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1228. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1229. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1230. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
  1231. XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1232. /* Write pause and PFC registers */
  1233. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1234. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1235. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1236. pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1237. }
  1238. /* Write pause and PFC registers */
  1239. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1240. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1241. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1242. /* Set MAC address for source TX Pause/PFC frames */
  1243. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1244. ((params->mac_addr[2] << 24) |
  1245. (params->mac_addr[3] << 16) |
  1246. (params->mac_addr[4] << 8) |
  1247. (params->mac_addr[5])));
  1248. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1249. ((params->mac_addr[0] << 8) |
  1250. (params->mac_addr[1])));
  1251. udelay(30);
  1252. }
  1253. /******************************************************************/
  1254. /* MAC/PBF section */
  1255. /******************************************************************/
  1256. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id,
  1257. u32 emac_base)
  1258. {
  1259. u32 new_mode, cur_mode;
  1260. u32 clc_cnt;
  1261. /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1262. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1263. */
  1264. cur_mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1265. if (USES_WARPCORE(bp))
  1266. clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
  1267. else
  1268. clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
  1269. if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
  1270. (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
  1271. return;
  1272. new_mode = cur_mode &
  1273. ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
  1274. new_mode |= clc_cnt;
  1275. new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1276. DP(NETIF_MSG_LINK, "Changing emac_mode from 0x%x to 0x%x\n",
  1277. cur_mode, new_mode);
  1278. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
  1279. udelay(40);
  1280. }
  1281. static void bnx2x_set_mdio_emac_per_phy(struct bnx2x *bp,
  1282. struct link_params *params)
  1283. {
  1284. u8 phy_index;
  1285. /* Set mdio clock per phy */
  1286. for (phy_index = INT_PHY; phy_index < params->num_phys;
  1287. phy_index++)
  1288. bnx2x_set_mdio_clk(bp, params->chip_id,
  1289. params->phy[phy_index].mdio_ctrl);
  1290. }
  1291. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1292. {
  1293. u32 port4mode_ovwr_val;
  1294. /* Check 4-port override enabled */
  1295. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1296. if (port4mode_ovwr_val & (1<<0)) {
  1297. /* Return 4-port mode override value */
  1298. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1299. }
  1300. /* Return 4-port mode from input pin */
  1301. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1302. }
  1303. static void bnx2x_emac_init(struct link_params *params,
  1304. struct link_vars *vars)
  1305. {
  1306. /* reset and unreset the emac core */
  1307. struct bnx2x *bp = params->bp;
  1308. u8 port = params->port;
  1309. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1310. u32 val;
  1311. u16 timeout;
  1312. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1313. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1314. udelay(5);
  1315. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1316. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1317. /* init emac - use read-modify-write */
  1318. /* self clear reset */
  1319. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1320. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1321. timeout = 200;
  1322. do {
  1323. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1324. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1325. if (!timeout) {
  1326. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1327. return;
  1328. }
  1329. timeout--;
  1330. } while (val & EMAC_MODE_RESET);
  1331. bnx2x_set_mdio_emac_per_phy(bp, params);
  1332. /* Set mac address */
  1333. val = ((params->mac_addr[0] << 8) |
  1334. params->mac_addr[1]);
  1335. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1336. val = ((params->mac_addr[2] << 24) |
  1337. (params->mac_addr[3] << 16) |
  1338. (params->mac_addr[4] << 8) |
  1339. params->mac_addr[5]);
  1340. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1341. }
  1342. static void bnx2x_set_xumac_nig(struct link_params *params,
  1343. u16 tx_pause_en,
  1344. u8 enable)
  1345. {
  1346. struct bnx2x *bp = params->bp;
  1347. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1348. enable);
  1349. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1350. enable);
  1351. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1352. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1353. }
  1354. static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
  1355. {
  1356. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1357. u32 val;
  1358. struct bnx2x *bp = params->bp;
  1359. if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
  1360. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
  1361. return;
  1362. val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
  1363. if (en)
  1364. val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1365. UMAC_COMMAND_CONFIG_REG_RX_ENA);
  1366. else
  1367. val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1368. UMAC_COMMAND_CONFIG_REG_RX_ENA);
  1369. /* Disable RX and TX */
  1370. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1371. }
  1372. static void bnx2x_umac_enable(struct link_params *params,
  1373. struct link_vars *vars, u8 lb)
  1374. {
  1375. u32 val;
  1376. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1377. struct bnx2x *bp = params->bp;
  1378. /* Reset UMAC */
  1379. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1380. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1381. usleep_range(1000, 2000);
  1382. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1383. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1384. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1385. /* This register opens the gate for the UMAC despite its name */
  1386. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1387. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1388. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1389. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1390. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1391. switch (vars->line_speed) {
  1392. case SPEED_10:
  1393. val |= (0<<2);
  1394. break;
  1395. case SPEED_100:
  1396. val |= (1<<2);
  1397. break;
  1398. case SPEED_1000:
  1399. val |= (2<<2);
  1400. break;
  1401. case SPEED_2500:
  1402. val |= (3<<2);
  1403. break;
  1404. default:
  1405. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1406. vars->line_speed);
  1407. break;
  1408. }
  1409. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1410. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1411. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1412. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1413. if (vars->duplex == DUPLEX_HALF)
  1414. val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
  1415. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1416. udelay(50);
  1417. /* Configure UMAC for EEE */
  1418. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1419. DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
  1420. REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
  1421. UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
  1422. REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
  1423. } else {
  1424. REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
  1425. }
  1426. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1427. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1428. ((params->mac_addr[2] << 24) |
  1429. (params->mac_addr[3] << 16) |
  1430. (params->mac_addr[4] << 8) |
  1431. (params->mac_addr[5])));
  1432. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1433. ((params->mac_addr[0] << 8) |
  1434. (params->mac_addr[1])));
  1435. /* Enable RX and TX */
  1436. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1437. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1438. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1439. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1440. udelay(50);
  1441. /* Remove SW Reset */
  1442. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1443. /* Check loopback mode */
  1444. if (lb)
  1445. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1446. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1447. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1448. * length used by the MAC receive logic to check frames.
  1449. */
  1450. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1451. bnx2x_set_xumac_nig(params,
  1452. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1453. vars->mac_type = MAC_TYPE_UMAC;
  1454. }
  1455. /* Define the XMAC mode */
  1456. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1457. {
  1458. struct bnx2x *bp = params->bp;
  1459. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1460. /* In 4-port mode, need to set the mode only once, so if XMAC is
  1461. * already out of reset, it means the mode has already been set,
  1462. * and it must not* reset the XMAC again, since it controls both
  1463. * ports of the path
  1464. */
  1465. if (((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) ||
  1466. (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) ||
  1467. (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE)) &&
  1468. is_port4mode &&
  1469. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1470. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1471. DP(NETIF_MSG_LINK,
  1472. "XMAC already out of reset in 4-port mode\n");
  1473. return;
  1474. }
  1475. /* Hard reset */
  1476. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1477. MISC_REGISTERS_RESET_REG_2_XMAC);
  1478. usleep_range(1000, 2000);
  1479. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1480. MISC_REGISTERS_RESET_REG_2_XMAC);
  1481. if (is_port4mode) {
  1482. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1483. /* Set the number of ports on the system side to up to 2 */
  1484. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1485. /* Set the number of ports on the Warp Core to 10G */
  1486. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1487. } else {
  1488. /* Set the number of ports on the system side to 1 */
  1489. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1490. if (max_speed == SPEED_10000) {
  1491. DP(NETIF_MSG_LINK,
  1492. "Init XMAC to 10G x 1 port per path\n");
  1493. /* Set the number of ports on the Warp Core to 10G */
  1494. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1495. } else {
  1496. DP(NETIF_MSG_LINK,
  1497. "Init XMAC to 20G x 2 ports per path\n");
  1498. /* Set the number of ports on the Warp Core to 20G */
  1499. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1500. }
  1501. }
  1502. /* Soft reset */
  1503. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1504. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1505. usleep_range(1000, 2000);
  1506. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1507. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1508. }
  1509. static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
  1510. {
  1511. u8 port = params->port;
  1512. struct bnx2x *bp = params->bp;
  1513. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1514. u32 val;
  1515. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1516. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1517. /* Send an indication to change the state in the NIG back to XON
  1518. * Clearing this bit enables the next set of this bit to get
  1519. * rising edge
  1520. */
  1521. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1522. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1523. (pfc_ctrl & ~(1<<1)));
  1524. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1525. (pfc_ctrl | (1<<1)));
  1526. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1527. val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
  1528. if (en)
  1529. val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
  1530. else
  1531. val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
  1532. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1533. }
  1534. }
  1535. static int bnx2x_xmac_enable(struct link_params *params,
  1536. struct link_vars *vars, u8 lb)
  1537. {
  1538. u32 val, xmac_base;
  1539. struct bnx2x *bp = params->bp;
  1540. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1541. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1542. bnx2x_xmac_init(params, vars->line_speed);
  1543. /* This register determines on which events the MAC will assert
  1544. * error on the i/f to the NIG along w/ EOP.
  1545. */
  1546. /* This register tells the NIG whether to send traffic to UMAC
  1547. * or XMAC
  1548. */
  1549. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1550. /* When XMAC is in XLGMII mode, disable sending idles for fault
  1551. * detection.
  1552. */
  1553. if (!(params->phy[INT_PHY].flags & FLAGS_TX_ERROR_CHECK)) {
  1554. REG_WR(bp, xmac_base + XMAC_REG_RX_LSS_CTRL,
  1555. (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
  1556. XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
  1557. REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  1558. REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  1559. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  1560. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  1561. }
  1562. /* Set Max packet size */
  1563. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1564. /* CRC append for Tx packets */
  1565. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1566. /* update PFC */
  1567. bnx2x_update_pfc_xmac(params, vars, 0);
  1568. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1569. DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
  1570. REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
  1571. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
  1572. } else {
  1573. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
  1574. }
  1575. /* Enable TX and RX */
  1576. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1577. /* Set MAC in XLGMII mode for dual-mode */
  1578. if ((vars->line_speed == SPEED_20000) &&
  1579. (params->phy[INT_PHY].supported &
  1580. SUPPORTED_20000baseKR2_Full))
  1581. val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
  1582. /* Check loopback mode */
  1583. if (lb)
  1584. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1585. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1586. bnx2x_set_xumac_nig(params,
  1587. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1588. vars->mac_type = MAC_TYPE_XMAC;
  1589. return 0;
  1590. }
  1591. static int bnx2x_emac_enable(struct link_params *params,
  1592. struct link_vars *vars, u8 lb)
  1593. {
  1594. struct bnx2x *bp = params->bp;
  1595. u8 port = params->port;
  1596. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1597. u32 val;
  1598. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1599. /* Disable BMAC */
  1600. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1601. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1602. /* enable emac and not bmac */
  1603. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1604. /* ASIC */
  1605. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1606. u32 ser_lane = ((params->lane_config &
  1607. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1608. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1609. DP(NETIF_MSG_LINK, "XGXS\n");
  1610. /* select the master lanes (out of 0-3) */
  1611. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1612. /* select XGXS */
  1613. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1614. } else { /* SerDes */
  1615. DP(NETIF_MSG_LINK, "SerDes\n");
  1616. /* select SerDes */
  1617. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1618. }
  1619. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1620. EMAC_RX_MODE_RESET);
  1621. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1622. EMAC_TX_MODE_RESET);
  1623. /* pause enable/disable */
  1624. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1625. EMAC_RX_MODE_FLOW_EN);
  1626. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1627. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1628. EMAC_TX_MODE_FLOW_EN));
  1629. if (!(params->feature_config_flags &
  1630. FEATURE_CONFIG_PFC_ENABLED)) {
  1631. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1632. bnx2x_bits_en(bp, emac_base +
  1633. EMAC_REG_EMAC_RX_MODE,
  1634. EMAC_RX_MODE_FLOW_EN);
  1635. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1636. bnx2x_bits_en(bp, emac_base +
  1637. EMAC_REG_EMAC_TX_MODE,
  1638. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1639. EMAC_TX_MODE_FLOW_EN));
  1640. } else
  1641. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1642. EMAC_TX_MODE_FLOW_EN);
  1643. /* KEEP_VLAN_TAG, promiscuous */
  1644. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1645. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1646. /* Setting this bit causes MAC control frames (except for pause
  1647. * frames) to be passed on for processing. This setting has no
  1648. * affect on the operation of the pause frames. This bit effects
  1649. * all packets regardless of RX Parser packet sorting logic.
  1650. * Turn the PFC off to make sure we are in Xon state before
  1651. * enabling it.
  1652. */
  1653. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1654. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1655. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1656. /* Enable PFC again */
  1657. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1658. EMAC_REG_RX_PFC_MODE_RX_EN |
  1659. EMAC_REG_RX_PFC_MODE_TX_EN |
  1660. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1661. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1662. ((0x0101 <<
  1663. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1664. (0x00ff <<
  1665. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1666. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1667. }
  1668. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1669. /* Set Loopback */
  1670. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1671. if (lb)
  1672. val |= 0x810;
  1673. else
  1674. val &= ~0x810;
  1675. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1676. /* Enable emac */
  1677. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1678. /* Enable emac for jumbo packets */
  1679. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1680. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1681. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVERHEAD)));
  1682. /* Strip CRC */
  1683. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1684. /* Disable the NIG in/out to the bmac */
  1685. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1686. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1687. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1688. /* Enable the NIG in/out to the emac */
  1689. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1690. val = 0;
  1691. if ((params->feature_config_flags &
  1692. FEATURE_CONFIG_PFC_ENABLED) ||
  1693. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1694. val = 1;
  1695. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1696. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1697. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1698. vars->mac_type = MAC_TYPE_EMAC;
  1699. return 0;
  1700. }
  1701. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1702. struct link_vars *vars)
  1703. {
  1704. u32 wb_data[2];
  1705. struct bnx2x *bp = params->bp;
  1706. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1707. NIG_REG_INGRESS_BMAC0_MEM;
  1708. u32 val = 0x14;
  1709. if ((!(params->feature_config_flags &
  1710. FEATURE_CONFIG_PFC_ENABLED)) &&
  1711. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1712. /* Enable BigMAC to react on received Pause packets */
  1713. val |= (1<<5);
  1714. wb_data[0] = val;
  1715. wb_data[1] = 0;
  1716. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1717. /* TX control */
  1718. val = 0xc0;
  1719. if (!(params->feature_config_flags &
  1720. FEATURE_CONFIG_PFC_ENABLED) &&
  1721. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1722. val |= 0x800000;
  1723. wb_data[0] = val;
  1724. wb_data[1] = 0;
  1725. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1726. }
  1727. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1728. struct link_vars *vars,
  1729. u8 is_lb)
  1730. {
  1731. /* Set rx control: Strip CRC and enable BigMAC to relay
  1732. * control packets to the system as well
  1733. */
  1734. u32 wb_data[2];
  1735. struct bnx2x *bp = params->bp;
  1736. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1737. NIG_REG_INGRESS_BMAC0_MEM;
  1738. u32 val = 0x14;
  1739. if ((!(params->feature_config_flags &
  1740. FEATURE_CONFIG_PFC_ENABLED)) &&
  1741. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1742. /* Enable BigMAC to react on received Pause packets */
  1743. val |= (1<<5);
  1744. wb_data[0] = val;
  1745. wb_data[1] = 0;
  1746. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1747. udelay(30);
  1748. /* Tx control */
  1749. val = 0xc0;
  1750. if (!(params->feature_config_flags &
  1751. FEATURE_CONFIG_PFC_ENABLED) &&
  1752. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1753. val |= 0x800000;
  1754. wb_data[0] = val;
  1755. wb_data[1] = 0;
  1756. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1757. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1758. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1759. /* Enable PFC RX & TX & STATS and set 8 COS */
  1760. wb_data[0] = 0x0;
  1761. wb_data[0] |= (1<<0); /* RX */
  1762. wb_data[0] |= (1<<1); /* TX */
  1763. wb_data[0] |= (1<<2); /* Force initial Xon */
  1764. wb_data[0] |= (1<<3); /* 8 cos */
  1765. wb_data[0] |= (1<<5); /* STATS */
  1766. wb_data[1] = 0;
  1767. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1768. wb_data, 2);
  1769. /* Clear the force Xon */
  1770. wb_data[0] &= ~(1<<2);
  1771. } else {
  1772. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1773. /* Disable PFC RX & TX & STATS and set 8 COS */
  1774. wb_data[0] = 0x8;
  1775. wb_data[1] = 0;
  1776. }
  1777. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1778. /* Set Time (based unit is 512 bit time) between automatic
  1779. * re-sending of PP packets amd enable automatic re-send of
  1780. * Per-Priroity Packet as long as pp_gen is asserted and
  1781. * pp_disable is low.
  1782. */
  1783. val = 0x8000;
  1784. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1785. val |= (1<<16); /* enable automatic re-send */
  1786. wb_data[0] = val;
  1787. wb_data[1] = 0;
  1788. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1789. wb_data, 2);
  1790. /* mac control */
  1791. val = 0x3; /* Enable RX and TX */
  1792. if (is_lb) {
  1793. val |= 0x4; /* Local loopback */
  1794. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1795. }
  1796. /* When PFC enabled, Pass pause frames towards the NIG. */
  1797. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1798. val |= ((1<<6)|(1<<5));
  1799. wb_data[0] = val;
  1800. wb_data[1] = 0;
  1801. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1802. }
  1803. /******************************************************************************
  1804. * Description:
  1805. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  1806. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  1807. ******************************************************************************/
  1808. static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  1809. u8 cos_entry,
  1810. u32 priority_mask, u8 port)
  1811. {
  1812. u32 nig_reg_rx_priority_mask_add = 0;
  1813. switch (cos_entry) {
  1814. case 0:
  1815. nig_reg_rx_priority_mask_add = (port) ?
  1816. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  1817. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  1818. break;
  1819. case 1:
  1820. nig_reg_rx_priority_mask_add = (port) ?
  1821. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  1822. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  1823. break;
  1824. case 2:
  1825. nig_reg_rx_priority_mask_add = (port) ?
  1826. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  1827. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  1828. break;
  1829. case 3:
  1830. if (port)
  1831. return -EINVAL;
  1832. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  1833. break;
  1834. case 4:
  1835. if (port)
  1836. return -EINVAL;
  1837. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  1838. break;
  1839. case 5:
  1840. if (port)
  1841. return -EINVAL;
  1842. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  1843. break;
  1844. }
  1845. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  1846. return 0;
  1847. }
  1848. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  1849. {
  1850. struct bnx2x *bp = params->bp;
  1851. REG_WR(bp, params->shmem_base +
  1852. offsetof(struct shmem_region,
  1853. port_mb[params->port].link_status), link_status);
  1854. }
  1855. static void bnx2x_update_link_attr(struct link_params *params, u32 link_attr)
  1856. {
  1857. struct bnx2x *bp = params->bp;
  1858. if (SHMEM2_HAS(bp, link_attr_sync))
  1859. REG_WR(bp, params->shmem2_base +
  1860. offsetof(struct shmem2_region,
  1861. link_attr_sync[params->port]), link_attr);
  1862. }
  1863. static void bnx2x_update_pfc_nig(struct link_params *params,
  1864. struct link_vars *vars,
  1865. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  1866. {
  1867. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  1868. u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
  1869. u32 pkt_priority_to_cos = 0;
  1870. struct bnx2x *bp = params->bp;
  1871. u8 port = params->port;
  1872. int set_pfc = params->feature_config_flags &
  1873. FEATURE_CONFIG_PFC_ENABLED;
  1874. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  1875. /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  1876. * MAC control frames (that are not pause packets)
  1877. * will be forwarded to the XCM.
  1878. */
  1879. xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
  1880. NIG_REG_LLH0_XCM_MASK);
  1881. /* NIG params will override non PFC params, since it's possible to
  1882. * do transition from PFC to SAFC
  1883. */
  1884. if (set_pfc) {
  1885. pause_enable = 0;
  1886. llfc_out_en = 0;
  1887. llfc_enable = 0;
  1888. if (CHIP_IS_E3(bp))
  1889. ppp_enable = 0;
  1890. else
  1891. ppp_enable = 1;
  1892. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  1893. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  1894. xcm_out_en = 0;
  1895. hwpfc_enable = 1;
  1896. } else {
  1897. if (nig_params) {
  1898. llfc_out_en = nig_params->llfc_out_en;
  1899. llfc_enable = nig_params->llfc_enable;
  1900. pause_enable = nig_params->pause_enable;
  1901. } else /* Default non PFC mode - PAUSE */
  1902. pause_enable = 1;
  1903. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  1904. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  1905. xcm_out_en = 1;
  1906. }
  1907. if (CHIP_IS_E3(bp))
  1908. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  1909. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  1910. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  1911. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  1912. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  1913. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  1914. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  1915. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  1916. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  1917. NIG_REG_PPP_ENABLE_0, ppp_enable);
  1918. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  1919. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  1920. REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
  1921. NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  1922. /* Output enable for RX_XCM # IF */
  1923. REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
  1924. NIG_REG_XCM0_OUT_EN, xcm_out_en);
  1925. /* HW PFC TX enable */
  1926. REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
  1927. NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
  1928. if (nig_params) {
  1929. u8 i = 0;
  1930. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  1931. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  1932. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  1933. nig_params->rx_cos_priority_mask[i], port);
  1934. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  1935. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  1936. nig_params->llfc_high_priority_classes);
  1937. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  1938. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  1939. nig_params->llfc_low_priority_classes);
  1940. }
  1941. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  1942. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  1943. pkt_priority_to_cos);
  1944. }
  1945. int bnx2x_update_pfc(struct link_params *params,
  1946. struct link_vars *vars,
  1947. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  1948. {
  1949. /* The PFC and pause are orthogonal to one another, meaning when
  1950. * PFC is enabled, the pause are disabled, and when PFC is
  1951. * disabled, pause are set according to the pause result.
  1952. */
  1953. u32 val;
  1954. struct bnx2x *bp = params->bp;
  1955. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  1956. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1957. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  1958. else
  1959. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  1960. bnx2x_update_mng(params, vars->link_status);
  1961. /* Update NIG params */
  1962. bnx2x_update_pfc_nig(params, vars, pfc_params);
  1963. if (!vars->link_up)
  1964. return 0;
  1965. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  1966. if (CHIP_IS_E3(bp)) {
  1967. if (vars->mac_type == MAC_TYPE_XMAC)
  1968. bnx2x_update_pfc_xmac(params, vars, 0);
  1969. } else {
  1970. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  1971. if ((val &
  1972. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  1973. == 0) {
  1974. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  1975. bnx2x_emac_enable(params, vars, 0);
  1976. return 0;
  1977. }
  1978. if (CHIP_IS_E2(bp))
  1979. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  1980. else
  1981. bnx2x_update_pfc_bmac1(params, vars);
  1982. val = 0;
  1983. if ((params->feature_config_flags &
  1984. FEATURE_CONFIG_PFC_ENABLED) ||
  1985. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1986. val = 1;
  1987. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  1988. }
  1989. return 0;
  1990. }
  1991. static int bnx2x_bmac1_enable(struct link_params *params,
  1992. struct link_vars *vars,
  1993. u8 is_lb)
  1994. {
  1995. struct bnx2x *bp = params->bp;
  1996. u8 port = params->port;
  1997. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  1998. NIG_REG_INGRESS_BMAC0_MEM;
  1999. u32 wb_data[2];
  2000. u32 val;
  2001. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2002. /* XGXS control */
  2003. wb_data[0] = 0x3c;
  2004. wb_data[1] = 0;
  2005. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2006. wb_data, 2);
  2007. /* TX MAC SA */
  2008. wb_data[0] = ((params->mac_addr[2] << 24) |
  2009. (params->mac_addr[3] << 16) |
  2010. (params->mac_addr[4] << 8) |
  2011. params->mac_addr[5]);
  2012. wb_data[1] = ((params->mac_addr[0] << 8) |
  2013. params->mac_addr[1]);
  2014. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2015. /* MAC control */
  2016. val = 0x3;
  2017. if (is_lb) {
  2018. val |= 0x4;
  2019. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2020. }
  2021. wb_data[0] = val;
  2022. wb_data[1] = 0;
  2023. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2024. /* Set rx mtu */
  2025. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVERHEAD;
  2026. wb_data[1] = 0;
  2027. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2028. bnx2x_update_pfc_bmac1(params, vars);
  2029. /* Set tx mtu */
  2030. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVERHEAD;
  2031. wb_data[1] = 0;
  2032. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2033. /* Set cnt max size */
  2034. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVERHEAD;
  2035. wb_data[1] = 0;
  2036. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2037. /* Configure SAFC */
  2038. wb_data[0] = 0x1000200;
  2039. wb_data[1] = 0;
  2040. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2041. wb_data, 2);
  2042. return 0;
  2043. }
  2044. static int bnx2x_bmac2_enable(struct link_params *params,
  2045. struct link_vars *vars,
  2046. u8 is_lb)
  2047. {
  2048. struct bnx2x *bp = params->bp;
  2049. u8 port = params->port;
  2050. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2051. NIG_REG_INGRESS_BMAC0_MEM;
  2052. u32 wb_data[2];
  2053. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2054. wb_data[0] = 0;
  2055. wb_data[1] = 0;
  2056. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2057. udelay(30);
  2058. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2059. wb_data[0] = 0x3c;
  2060. wb_data[1] = 0;
  2061. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2062. wb_data, 2);
  2063. udelay(30);
  2064. /* TX MAC SA */
  2065. wb_data[0] = ((params->mac_addr[2] << 24) |
  2066. (params->mac_addr[3] << 16) |
  2067. (params->mac_addr[4] << 8) |
  2068. params->mac_addr[5]);
  2069. wb_data[1] = ((params->mac_addr[0] << 8) |
  2070. params->mac_addr[1]);
  2071. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2072. wb_data, 2);
  2073. udelay(30);
  2074. /* Configure SAFC */
  2075. wb_data[0] = 0x1000200;
  2076. wb_data[1] = 0;
  2077. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2078. wb_data, 2);
  2079. udelay(30);
  2080. /* Set RX MTU */
  2081. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVERHEAD;
  2082. wb_data[1] = 0;
  2083. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2084. udelay(30);
  2085. /* Set TX MTU */
  2086. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVERHEAD;
  2087. wb_data[1] = 0;
  2088. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2089. udelay(30);
  2090. /* Set cnt max size */
  2091. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVERHEAD - 2;
  2092. wb_data[1] = 0;
  2093. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2094. udelay(30);
  2095. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2096. return 0;
  2097. }
  2098. static int bnx2x_bmac_enable(struct link_params *params,
  2099. struct link_vars *vars,
  2100. u8 is_lb, u8 reset_bmac)
  2101. {
  2102. int rc = 0;
  2103. u8 port = params->port;
  2104. struct bnx2x *bp = params->bp;
  2105. u32 val;
  2106. /* Reset and unreset the BigMac */
  2107. if (reset_bmac) {
  2108. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2109. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2110. usleep_range(1000, 2000);
  2111. }
  2112. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2113. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2114. /* Enable access for bmac registers */
  2115. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2116. /* Enable BMAC according to BMAC type*/
  2117. if (CHIP_IS_E2(bp))
  2118. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2119. else
  2120. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2121. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2122. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2123. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2124. val = 0;
  2125. if ((params->feature_config_flags &
  2126. FEATURE_CONFIG_PFC_ENABLED) ||
  2127. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2128. val = 1;
  2129. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2130. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2131. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2132. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2133. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2134. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2135. vars->mac_type = MAC_TYPE_BMAC;
  2136. return rc;
  2137. }
  2138. static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
  2139. {
  2140. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2141. NIG_REG_INGRESS_BMAC0_MEM;
  2142. u32 wb_data[2];
  2143. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2144. if (CHIP_IS_E2(bp))
  2145. bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
  2146. else
  2147. bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
  2148. /* Only if the bmac is out of reset */
  2149. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2150. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2151. nig_bmac_enable) {
  2152. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2153. REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
  2154. if (en)
  2155. wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
  2156. else
  2157. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2158. REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
  2159. usleep_range(1000, 2000);
  2160. }
  2161. }
  2162. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2163. u32 line_speed)
  2164. {
  2165. struct bnx2x *bp = params->bp;
  2166. u8 port = params->port;
  2167. u32 init_crd, crd;
  2168. u32 count = 1000;
  2169. /* Disable port */
  2170. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2171. /* Wait for init credit */
  2172. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2173. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2174. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2175. while ((init_crd != crd) && count) {
  2176. usleep_range(5000, 10000);
  2177. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2178. count--;
  2179. }
  2180. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2181. if (init_crd != crd) {
  2182. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2183. init_crd, crd);
  2184. return -EINVAL;
  2185. }
  2186. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2187. line_speed == SPEED_10 ||
  2188. line_speed == SPEED_100 ||
  2189. line_speed == SPEED_1000 ||
  2190. line_speed == SPEED_2500) {
  2191. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2192. /* Update threshold */
  2193. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2194. /* Update init credit */
  2195. init_crd = 778; /* (800-18-4) */
  2196. } else {
  2197. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2198. ETH_OVERHEAD)/16;
  2199. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2200. /* Update threshold */
  2201. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2202. /* Update init credit */
  2203. switch (line_speed) {
  2204. case SPEED_10000:
  2205. init_crd = thresh + 553 - 22;
  2206. break;
  2207. default:
  2208. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2209. line_speed);
  2210. return -EINVAL;
  2211. }
  2212. }
  2213. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2214. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2215. line_speed, init_crd);
  2216. /* Probe the credit changes */
  2217. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2218. usleep_range(5000, 10000);
  2219. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2220. /* Enable port */
  2221. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2222. return 0;
  2223. }
  2224. /**
  2225. * bnx2x_get_emac_base - retrive emac base address
  2226. *
  2227. * @bp: driver handle
  2228. * @mdc_mdio_access: access type
  2229. * @port: port id
  2230. *
  2231. * This function selects the MDC/MDIO access (through emac0 or
  2232. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2233. * phy has a default access mode, which could also be overridden
  2234. * by nvram configuration. This parameter, whether this is the
  2235. * default phy configuration, or the nvram overrun
  2236. * configuration, is passed here as mdc_mdio_access and selects
  2237. * the emac_base for the CL45 read/writes operations
  2238. */
  2239. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2240. u32 mdc_mdio_access, u8 port)
  2241. {
  2242. u32 emac_base = 0;
  2243. switch (mdc_mdio_access) {
  2244. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2245. break;
  2246. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2247. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2248. emac_base = GRCBASE_EMAC1;
  2249. else
  2250. emac_base = GRCBASE_EMAC0;
  2251. break;
  2252. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2253. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2254. emac_base = GRCBASE_EMAC0;
  2255. else
  2256. emac_base = GRCBASE_EMAC1;
  2257. break;
  2258. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2259. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2260. break;
  2261. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2262. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2263. break;
  2264. default:
  2265. break;
  2266. }
  2267. return emac_base;
  2268. }
  2269. /******************************************************************/
  2270. /* CL22 access functions */
  2271. /******************************************************************/
  2272. static int bnx2x_cl22_write(struct bnx2x *bp,
  2273. struct bnx2x_phy *phy,
  2274. u16 reg, u16 val)
  2275. {
  2276. u32 tmp, mode;
  2277. u8 i;
  2278. int rc = 0;
  2279. /* Switch to CL22 */
  2280. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2281. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2282. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2283. /* Address */
  2284. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2285. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2286. EMAC_MDIO_COMM_START_BUSY);
  2287. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2288. for (i = 0; i < 50; i++) {
  2289. udelay(10);
  2290. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2291. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2292. udelay(5);
  2293. break;
  2294. }
  2295. }
  2296. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2297. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2298. rc = -EFAULT;
  2299. }
  2300. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2301. return rc;
  2302. }
  2303. static int bnx2x_cl22_read(struct bnx2x *bp,
  2304. struct bnx2x_phy *phy,
  2305. u16 reg, u16 *ret_val)
  2306. {
  2307. u32 val, mode;
  2308. u16 i;
  2309. int rc = 0;
  2310. /* Switch to CL22 */
  2311. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2312. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2313. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2314. /* Address */
  2315. val = ((phy->addr << 21) | (reg << 16) |
  2316. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2317. EMAC_MDIO_COMM_START_BUSY);
  2318. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2319. for (i = 0; i < 50; i++) {
  2320. udelay(10);
  2321. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2322. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2323. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2324. udelay(5);
  2325. break;
  2326. }
  2327. }
  2328. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2329. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2330. *ret_val = 0;
  2331. rc = -EFAULT;
  2332. }
  2333. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2334. return rc;
  2335. }
  2336. /******************************************************************/
  2337. /* CL45 access functions */
  2338. /******************************************************************/
  2339. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2340. u8 devad, u16 reg, u16 *ret_val)
  2341. {
  2342. u32 val;
  2343. u16 i;
  2344. int rc = 0;
  2345. u32 chip_id;
  2346. if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
  2347. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  2348. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  2349. bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
  2350. }
  2351. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2352. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2353. EMAC_MDIO_STATUS_10MB);
  2354. /* Address */
  2355. val = ((phy->addr << 21) | (devad << 16) | reg |
  2356. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2357. EMAC_MDIO_COMM_START_BUSY);
  2358. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2359. for (i = 0; i < 50; i++) {
  2360. udelay(10);
  2361. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2362. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2363. udelay(5);
  2364. break;
  2365. }
  2366. }
  2367. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2368. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2369. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2370. *ret_val = 0;
  2371. rc = -EFAULT;
  2372. } else {
  2373. /* Data */
  2374. val = ((phy->addr << 21) | (devad << 16) |
  2375. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2376. EMAC_MDIO_COMM_START_BUSY);
  2377. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2378. for (i = 0; i < 50; i++) {
  2379. udelay(10);
  2380. val = REG_RD(bp, phy->mdio_ctrl +
  2381. EMAC_REG_EMAC_MDIO_COMM);
  2382. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2383. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2384. break;
  2385. }
  2386. }
  2387. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2388. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2389. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2390. *ret_val = 0;
  2391. rc = -EFAULT;
  2392. }
  2393. }
  2394. /* Work around for E3 A0 */
  2395. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2396. phy->flags ^= FLAGS_DUMMY_READ;
  2397. if (phy->flags & FLAGS_DUMMY_READ) {
  2398. u16 temp_val;
  2399. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2400. }
  2401. }
  2402. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2403. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2404. EMAC_MDIO_STATUS_10MB);
  2405. return rc;
  2406. }
  2407. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2408. u8 devad, u16 reg, u16 val)
  2409. {
  2410. u32 tmp;
  2411. u8 i;
  2412. int rc = 0;
  2413. u32 chip_id;
  2414. if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
  2415. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  2416. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  2417. bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
  2418. }
  2419. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2420. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2421. EMAC_MDIO_STATUS_10MB);
  2422. /* Address */
  2423. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2424. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2425. EMAC_MDIO_COMM_START_BUSY);
  2426. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2427. for (i = 0; i < 50; i++) {
  2428. udelay(10);
  2429. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2430. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2431. udelay(5);
  2432. break;
  2433. }
  2434. }
  2435. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2436. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2437. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2438. rc = -EFAULT;
  2439. } else {
  2440. /* Data */
  2441. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2442. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2443. EMAC_MDIO_COMM_START_BUSY);
  2444. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2445. for (i = 0; i < 50; i++) {
  2446. udelay(10);
  2447. tmp = REG_RD(bp, phy->mdio_ctrl +
  2448. EMAC_REG_EMAC_MDIO_COMM);
  2449. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2450. udelay(5);
  2451. break;
  2452. }
  2453. }
  2454. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2455. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2456. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2457. rc = -EFAULT;
  2458. }
  2459. }
  2460. /* Work around for E3 A0 */
  2461. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2462. phy->flags ^= FLAGS_DUMMY_READ;
  2463. if (phy->flags & FLAGS_DUMMY_READ) {
  2464. u16 temp_val;
  2465. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2466. }
  2467. }
  2468. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2469. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2470. EMAC_MDIO_STATUS_10MB);
  2471. return rc;
  2472. }
  2473. /******************************************************************/
  2474. /* EEE section */
  2475. /******************************************************************/
  2476. static u8 bnx2x_eee_has_cap(struct link_params *params)
  2477. {
  2478. struct bnx2x *bp = params->bp;
  2479. if (REG_RD(bp, params->shmem2_base) <=
  2480. offsetof(struct shmem2_region, eee_status[params->port]))
  2481. return 0;
  2482. return 1;
  2483. }
  2484. static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
  2485. {
  2486. switch (nvram_mode) {
  2487. case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
  2488. *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
  2489. break;
  2490. case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
  2491. *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
  2492. break;
  2493. case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
  2494. *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
  2495. break;
  2496. default:
  2497. *idle_timer = 0;
  2498. break;
  2499. }
  2500. return 0;
  2501. }
  2502. static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
  2503. {
  2504. switch (idle_timer) {
  2505. case EEE_MODE_NVRAM_BALANCED_TIME:
  2506. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
  2507. break;
  2508. case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
  2509. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
  2510. break;
  2511. case EEE_MODE_NVRAM_LATENCY_TIME:
  2512. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
  2513. break;
  2514. default:
  2515. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
  2516. break;
  2517. }
  2518. return 0;
  2519. }
  2520. static u32 bnx2x_eee_calc_timer(struct link_params *params)
  2521. {
  2522. u32 eee_mode, eee_idle;
  2523. struct bnx2x *bp = params->bp;
  2524. if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
  2525. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2526. /* time value in eee_mode --> used directly*/
  2527. eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
  2528. } else {
  2529. /* hsi value in eee_mode --> time */
  2530. if (bnx2x_eee_nvram_to_time(params->eee_mode &
  2531. EEE_MODE_NVRAM_MASK,
  2532. &eee_idle))
  2533. return 0;
  2534. }
  2535. } else {
  2536. /* hsi values in nvram --> time*/
  2537. eee_mode = ((REG_RD(bp, params->shmem_base +
  2538. offsetof(struct shmem_region, dev_info.
  2539. port_feature_config[params->port].
  2540. eee_power_mode)) &
  2541. PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
  2542. PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
  2543. if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
  2544. return 0;
  2545. }
  2546. return eee_idle;
  2547. }
  2548. static int bnx2x_eee_set_timers(struct link_params *params,
  2549. struct link_vars *vars)
  2550. {
  2551. u32 eee_idle = 0, eee_mode;
  2552. struct bnx2x *bp = params->bp;
  2553. eee_idle = bnx2x_eee_calc_timer(params);
  2554. if (eee_idle) {
  2555. REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
  2556. eee_idle);
  2557. } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
  2558. (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
  2559. (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
  2560. DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
  2561. return -EINVAL;
  2562. }
  2563. vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
  2564. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2565. /* eee_idle in 1u --> eee_status in 16u */
  2566. eee_idle >>= 4;
  2567. vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
  2568. SHMEM_EEE_TIME_OUTPUT_BIT;
  2569. } else {
  2570. if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
  2571. return -EINVAL;
  2572. vars->eee_status |= eee_mode;
  2573. }
  2574. return 0;
  2575. }
  2576. static int bnx2x_eee_initial_config(struct link_params *params,
  2577. struct link_vars *vars, u8 mode)
  2578. {
  2579. vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
  2580. /* Propagate params' bits --> vars (for migration exposure) */
  2581. if (params->eee_mode & EEE_MODE_ENABLE_LPI)
  2582. vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
  2583. else
  2584. vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
  2585. if (params->eee_mode & EEE_MODE_ADV_LPI)
  2586. vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
  2587. else
  2588. vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
  2589. return bnx2x_eee_set_timers(params, vars);
  2590. }
  2591. static int bnx2x_eee_disable(struct bnx2x_phy *phy,
  2592. struct link_params *params,
  2593. struct link_vars *vars)
  2594. {
  2595. struct bnx2x *bp = params->bp;
  2596. /* Make Certain LPI is disabled */
  2597. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
  2598. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
  2599. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2600. return 0;
  2601. }
  2602. static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
  2603. struct link_params *params,
  2604. struct link_vars *vars, u8 modes)
  2605. {
  2606. struct bnx2x *bp = params->bp;
  2607. u16 val = 0;
  2608. /* Mask events preventing LPI generation */
  2609. REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
  2610. if (modes & SHMEM_EEE_10G_ADV) {
  2611. DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
  2612. val |= 0x8;
  2613. }
  2614. if (modes & SHMEM_EEE_1G_ADV) {
  2615. DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
  2616. val |= 0x4;
  2617. }
  2618. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
  2619. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2620. vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
  2621. return 0;
  2622. }
  2623. static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
  2624. {
  2625. struct bnx2x *bp = params->bp;
  2626. if (bnx2x_eee_has_cap(params))
  2627. REG_WR(bp, params->shmem2_base +
  2628. offsetof(struct shmem2_region,
  2629. eee_status[params->port]), eee_status);
  2630. }
  2631. static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
  2632. struct link_params *params,
  2633. struct link_vars *vars)
  2634. {
  2635. struct bnx2x *bp = params->bp;
  2636. u16 adv = 0, lp = 0;
  2637. u32 lp_adv = 0;
  2638. u8 neg = 0;
  2639. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
  2640. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
  2641. if (lp & 0x2) {
  2642. lp_adv |= SHMEM_EEE_100M_ADV;
  2643. if (adv & 0x2) {
  2644. if (vars->line_speed == SPEED_100)
  2645. neg = 1;
  2646. DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
  2647. }
  2648. }
  2649. if (lp & 0x14) {
  2650. lp_adv |= SHMEM_EEE_1G_ADV;
  2651. if (adv & 0x14) {
  2652. if (vars->line_speed == SPEED_1000)
  2653. neg = 1;
  2654. DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
  2655. }
  2656. }
  2657. if (lp & 0x68) {
  2658. lp_adv |= SHMEM_EEE_10G_ADV;
  2659. if (adv & 0x68) {
  2660. if (vars->line_speed == SPEED_10000)
  2661. neg = 1;
  2662. DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
  2663. }
  2664. }
  2665. vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
  2666. vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
  2667. if (neg) {
  2668. DP(NETIF_MSG_LINK, "EEE is active\n");
  2669. vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
  2670. }
  2671. }
  2672. /******************************************************************/
  2673. /* BSC access functions from E3 */
  2674. /******************************************************************/
  2675. static void bnx2x_bsc_module_sel(struct link_params *params)
  2676. {
  2677. int idx;
  2678. u32 board_cfg, sfp_ctrl;
  2679. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2680. struct bnx2x *bp = params->bp;
  2681. u8 port = params->port;
  2682. /* Read I2C output PINs */
  2683. board_cfg = REG_RD(bp, params->shmem_base +
  2684. offsetof(struct shmem_region,
  2685. dev_info.shared_hw_config.board));
  2686. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2687. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2688. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2689. /* Read I2C output value */
  2690. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2691. offsetof(struct shmem_region,
  2692. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2693. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2694. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2695. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2696. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2697. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2698. }
  2699. static int bnx2x_bsc_read(struct link_params *params,
  2700. struct bnx2x *bp,
  2701. u8 sl_devid,
  2702. u16 sl_addr,
  2703. u8 lc_addr,
  2704. u8 xfer_cnt,
  2705. u32 *data_array)
  2706. {
  2707. u32 val, i;
  2708. int rc = 0;
  2709. if (xfer_cnt > 16) {
  2710. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2711. xfer_cnt);
  2712. return -EINVAL;
  2713. }
  2714. bnx2x_bsc_module_sel(params);
  2715. xfer_cnt = 16 - lc_addr;
  2716. /* Enable the engine */
  2717. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2718. val |= MCPR_IMC_COMMAND_ENABLE;
  2719. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2720. /* Program slave device ID */
  2721. val = (sl_devid << 16) | sl_addr;
  2722. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2723. /* Start xfer with 0 byte to update the address pointer ???*/
  2724. val = (MCPR_IMC_COMMAND_ENABLE) |
  2725. (MCPR_IMC_COMMAND_WRITE_OP <<
  2726. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2727. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2728. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2729. /* Poll for completion */
  2730. i = 0;
  2731. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2732. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2733. udelay(10);
  2734. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2735. if (i++ > 1000) {
  2736. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2737. i);
  2738. rc = -EFAULT;
  2739. break;
  2740. }
  2741. }
  2742. if (rc == -EFAULT)
  2743. return rc;
  2744. /* Start xfer with read op */
  2745. val = (MCPR_IMC_COMMAND_ENABLE) |
  2746. (MCPR_IMC_COMMAND_READ_OP <<
  2747. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2748. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2749. (xfer_cnt);
  2750. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2751. /* Poll for completion */
  2752. i = 0;
  2753. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2754. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2755. udelay(10);
  2756. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2757. if (i++ > 1000) {
  2758. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2759. rc = -EFAULT;
  2760. break;
  2761. }
  2762. }
  2763. if (rc == -EFAULT)
  2764. return rc;
  2765. for (i = (lc_addr >> 2); i < 4; i++) {
  2766. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2767. #ifdef __BIG_ENDIAN
  2768. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2769. ((data_array[i] & 0x0000ff00) << 8) |
  2770. ((data_array[i] & 0x00ff0000) >> 8) |
  2771. ((data_array[i] & 0xff000000) >> 24);
  2772. #endif
  2773. }
  2774. return rc;
  2775. }
  2776. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2777. u8 devad, u16 reg, u16 or_val)
  2778. {
  2779. u16 val;
  2780. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2781. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2782. }
  2783. static void bnx2x_cl45_read_and_write(struct bnx2x *bp,
  2784. struct bnx2x_phy *phy,
  2785. u8 devad, u16 reg, u16 and_val)
  2786. {
  2787. u16 val;
  2788. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2789. bnx2x_cl45_write(bp, phy, devad, reg, val & and_val);
  2790. }
  2791. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2792. u8 devad, u16 reg, u16 *ret_val)
  2793. {
  2794. u8 phy_index;
  2795. /* Probe for the phy according to the given phy_addr, and execute
  2796. * the read request on it
  2797. */
  2798. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2799. if (params->phy[phy_index].addr == phy_addr) {
  2800. return bnx2x_cl45_read(params->bp,
  2801. &params->phy[phy_index], devad,
  2802. reg, ret_val);
  2803. }
  2804. }
  2805. return -EINVAL;
  2806. }
  2807. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2808. u8 devad, u16 reg, u16 val)
  2809. {
  2810. u8 phy_index;
  2811. /* Probe for the phy according to the given phy_addr, and execute
  2812. * the write request on it
  2813. */
  2814. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2815. if (params->phy[phy_index].addr == phy_addr) {
  2816. return bnx2x_cl45_write(params->bp,
  2817. &params->phy[phy_index], devad,
  2818. reg, val);
  2819. }
  2820. }
  2821. return -EINVAL;
  2822. }
  2823. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2824. struct link_params *params)
  2825. {
  2826. u8 lane = 0;
  2827. struct bnx2x *bp = params->bp;
  2828. u32 path_swap, path_swap_ovr;
  2829. u8 path, port;
  2830. path = BP_PATH(bp);
  2831. port = params->port;
  2832. if (bnx2x_is_4_port_mode(bp)) {
  2833. u32 port_swap, port_swap_ovr;
  2834. /* Figure out path swap value */
  2835. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2836. if (path_swap_ovr & 0x1)
  2837. path_swap = (path_swap_ovr & 0x2);
  2838. else
  2839. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2840. if (path_swap)
  2841. path = path ^ 1;
  2842. /* Figure out port swap value */
  2843. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2844. if (port_swap_ovr & 0x1)
  2845. port_swap = (port_swap_ovr & 0x2);
  2846. else
  2847. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2848. if (port_swap)
  2849. port = port ^ 1;
  2850. lane = (port<<1) + path;
  2851. } else { /* Two port mode - no port swap */
  2852. /* Figure out path swap value */
  2853. path_swap_ovr =
  2854. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2855. if (path_swap_ovr & 0x1) {
  2856. path_swap = (path_swap_ovr & 0x2);
  2857. } else {
  2858. path_swap =
  2859. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  2860. }
  2861. if (path_swap)
  2862. path = path ^ 1;
  2863. lane = path << 1 ;
  2864. }
  2865. return lane;
  2866. }
  2867. static void bnx2x_set_aer_mmd(struct link_params *params,
  2868. struct bnx2x_phy *phy)
  2869. {
  2870. u32 ser_lane;
  2871. u16 offset, aer_val;
  2872. struct bnx2x *bp = params->bp;
  2873. ser_lane = ((params->lane_config &
  2874. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2875. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2876. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  2877. (phy->addr + ser_lane) : 0;
  2878. if (USES_WARPCORE(bp)) {
  2879. aer_val = bnx2x_get_warpcore_lane(phy, params);
  2880. /* In Dual-lane mode, two lanes are joined together,
  2881. * so in order to configure them, the AER broadcast method is
  2882. * used here.
  2883. * 0x200 is the broadcast address for lanes 0,1
  2884. * 0x201 is the broadcast address for lanes 2,3
  2885. */
  2886. if (phy->flags & FLAGS_WC_DUAL_MODE)
  2887. aer_val = (aer_val >> 1) | 0x200;
  2888. } else if (CHIP_IS_E2(bp))
  2889. aer_val = 0x3800 + offset - 1;
  2890. else
  2891. aer_val = 0x3800 + offset;
  2892. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  2893. MDIO_AER_BLOCK_AER_REG, aer_val);
  2894. }
  2895. /******************************************************************/
  2896. /* Internal phy section */
  2897. /******************************************************************/
  2898. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  2899. {
  2900. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2901. /* Set Clause 22 */
  2902. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  2903. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  2904. udelay(500);
  2905. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  2906. udelay(500);
  2907. /* Set Clause 45 */
  2908. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  2909. }
  2910. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  2911. {
  2912. u32 val;
  2913. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  2914. val = SERDES_RESET_BITS << (port*16);
  2915. /* Reset and unreset the SerDes/XGXS */
  2916. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2917. udelay(500);
  2918. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2919. bnx2x_set_serdes_access(bp, port);
  2920. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  2921. DEFAULT_PHY_DEV_ADDR);
  2922. }
  2923. static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
  2924. struct link_params *params,
  2925. u32 action)
  2926. {
  2927. struct bnx2x *bp = params->bp;
  2928. switch (action) {
  2929. case PHY_INIT:
  2930. /* Set correct devad */
  2931. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
  2932. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
  2933. phy->def_md_devad);
  2934. break;
  2935. }
  2936. }
  2937. static void bnx2x_xgxs_deassert(struct link_params *params)
  2938. {
  2939. struct bnx2x *bp = params->bp;
  2940. u8 port;
  2941. u32 val;
  2942. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  2943. port = params->port;
  2944. val = XGXS_RESET_BITS << (port*16);
  2945. /* Reset and unreset the SerDes/XGXS */
  2946. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2947. udelay(500);
  2948. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2949. bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
  2950. PHY_INIT);
  2951. }
  2952. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  2953. struct link_params *params, u16 *ieee_fc)
  2954. {
  2955. struct bnx2x *bp = params->bp;
  2956. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  2957. /* Resolve pause mode and advertisement Please refer to Table
  2958. * 28B-3 of the 802.3ab-1999 spec
  2959. */
  2960. switch (phy->req_flow_ctrl) {
  2961. case BNX2X_FLOW_CTRL_AUTO:
  2962. switch (params->req_fc_auto_adv) {
  2963. case BNX2X_FLOW_CTRL_BOTH:
  2964. case BNX2X_FLOW_CTRL_RX:
  2965. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2966. break;
  2967. case BNX2X_FLOW_CTRL_TX:
  2968. *ieee_fc |=
  2969. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2970. break;
  2971. default:
  2972. break;
  2973. }
  2974. break;
  2975. case BNX2X_FLOW_CTRL_TX:
  2976. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2977. break;
  2978. case BNX2X_FLOW_CTRL_RX:
  2979. case BNX2X_FLOW_CTRL_BOTH:
  2980. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2981. break;
  2982. case BNX2X_FLOW_CTRL_NONE:
  2983. default:
  2984. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  2985. break;
  2986. }
  2987. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  2988. }
  2989. static void set_phy_vars(struct link_params *params,
  2990. struct link_vars *vars)
  2991. {
  2992. struct bnx2x *bp = params->bp;
  2993. u8 actual_phy_idx, phy_index, link_cfg_idx;
  2994. u8 phy_config_swapped = params->multi_phy_config &
  2995. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  2996. for (phy_index = INT_PHY; phy_index < params->num_phys;
  2997. phy_index++) {
  2998. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  2999. actual_phy_idx = phy_index;
  3000. if (phy_config_swapped) {
  3001. if (phy_index == EXT_PHY1)
  3002. actual_phy_idx = EXT_PHY2;
  3003. else if (phy_index == EXT_PHY2)
  3004. actual_phy_idx = EXT_PHY1;
  3005. }
  3006. params->phy[actual_phy_idx].req_flow_ctrl =
  3007. params->req_flow_ctrl[link_cfg_idx];
  3008. params->phy[actual_phy_idx].req_line_speed =
  3009. params->req_line_speed[link_cfg_idx];
  3010. params->phy[actual_phy_idx].speed_cap_mask =
  3011. params->speed_cap_mask[link_cfg_idx];
  3012. params->phy[actual_phy_idx].req_duplex =
  3013. params->req_duplex[link_cfg_idx];
  3014. if (params->req_line_speed[link_cfg_idx] ==
  3015. SPEED_AUTO_NEG)
  3016. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3017. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3018. " speed_cap_mask %x\n",
  3019. params->phy[actual_phy_idx].req_flow_ctrl,
  3020. params->phy[actual_phy_idx].req_line_speed,
  3021. params->phy[actual_phy_idx].speed_cap_mask);
  3022. }
  3023. }
  3024. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3025. struct bnx2x_phy *phy,
  3026. struct link_vars *vars)
  3027. {
  3028. u16 val;
  3029. struct bnx2x *bp = params->bp;
  3030. /* Read modify write pause advertizing */
  3031. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3032. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3033. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3034. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3035. if ((vars->ieee_fc &
  3036. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3037. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3038. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3039. }
  3040. if ((vars->ieee_fc &
  3041. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3042. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3043. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3044. }
  3045. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3046. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3047. }
  3048. static void bnx2x_pause_resolve(struct bnx2x_phy *phy,
  3049. struct link_params *params,
  3050. struct link_vars *vars,
  3051. u32 pause_result)
  3052. {
  3053. struct bnx2x *bp = params->bp;
  3054. /* LD LP */
  3055. switch (pause_result) { /* ASYM P ASYM P */
  3056. case 0xb: /* 1 0 1 1 */
  3057. DP(NETIF_MSG_LINK, "Flow Control: TX only\n");
  3058. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3059. break;
  3060. case 0xe: /* 1 1 1 0 */
  3061. DP(NETIF_MSG_LINK, "Flow Control: RX only\n");
  3062. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3063. break;
  3064. case 0x5: /* 0 1 0 1 */
  3065. case 0x7: /* 0 1 1 1 */
  3066. case 0xd: /* 1 1 0 1 */
  3067. case 0xf: /* 1 1 1 1 */
  3068. /* If the user selected to advertise RX ONLY,
  3069. * although we advertised both, need to enable
  3070. * RX only.
  3071. */
  3072. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH) {
  3073. DP(NETIF_MSG_LINK, "Flow Control: RX & TX\n");
  3074. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3075. } else {
  3076. DP(NETIF_MSG_LINK, "Flow Control: RX only\n");
  3077. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3078. }
  3079. break;
  3080. default:
  3081. DP(NETIF_MSG_LINK, "Flow Control: None\n");
  3082. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3083. break;
  3084. }
  3085. if (pause_result & (1<<0))
  3086. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3087. if (pause_result & (1<<1))
  3088. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3089. }
  3090. static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
  3091. struct link_params *params,
  3092. struct link_vars *vars)
  3093. {
  3094. u16 ld_pause; /* local */
  3095. u16 lp_pause; /* link partner */
  3096. u16 pause_result;
  3097. struct bnx2x *bp = params->bp;
  3098. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3099. bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
  3100. bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
  3101. } else if (CHIP_IS_E3(bp) &&
  3102. SINGLE_MEDIA_DIRECT(params)) {
  3103. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  3104. u16 gp_status, gp_mask;
  3105. bnx2x_cl45_read(bp, phy,
  3106. MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
  3107. &gp_status);
  3108. gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
  3109. MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
  3110. lane;
  3111. if ((gp_status & gp_mask) == gp_mask) {
  3112. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3113. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3114. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3115. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3116. } else {
  3117. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3118. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3119. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3120. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3121. ld_pause = ((ld_pause &
  3122. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3123. << 3);
  3124. lp_pause = ((lp_pause &
  3125. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3126. << 3);
  3127. }
  3128. } else {
  3129. bnx2x_cl45_read(bp, phy,
  3130. MDIO_AN_DEVAD,
  3131. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3132. bnx2x_cl45_read(bp, phy,
  3133. MDIO_AN_DEVAD,
  3134. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3135. }
  3136. pause_result = (ld_pause &
  3137. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3138. pause_result |= (lp_pause &
  3139. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3140. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
  3141. bnx2x_pause_resolve(phy, params, vars, pause_result);
  3142. }
  3143. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3144. struct link_params *params,
  3145. struct link_vars *vars)
  3146. {
  3147. u8 ret = 0;
  3148. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3149. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  3150. /* Update the advertised flow-controled of LD/LP in AN */
  3151. if (phy->req_line_speed == SPEED_AUTO_NEG)
  3152. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3153. /* But set the flow-control result as the requested one */
  3154. vars->flow_ctrl = phy->req_flow_ctrl;
  3155. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3156. vars->flow_ctrl = params->req_fc_auto_adv;
  3157. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3158. ret = 1;
  3159. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3160. }
  3161. return ret;
  3162. }
  3163. /******************************************************************/
  3164. /* Warpcore section */
  3165. /******************************************************************/
  3166. /* The init_internal_warpcore should mirror the xgxs,
  3167. * i.e. reset the lane (if needed), set aer for the
  3168. * init configuration, and set/clear SGMII flag. Internal
  3169. * phy init is done purely in phy_init stage.
  3170. */
  3171. #define WC_TX_DRIVER(post2, idriver, ipre, ifir) \
  3172. ((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
  3173. (idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
  3174. (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET) | \
  3175. (ifir << MDIO_WC_REG_TX0_TX_DRIVER_IFIR_OFFSET))
  3176. #define WC_TX_FIR(post, main, pre) \
  3177. ((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
  3178. (main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \
  3179. (pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET))
  3180. static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
  3181. struct link_params *params,
  3182. struct link_vars *vars)
  3183. {
  3184. struct bnx2x *bp = params->bp;
  3185. u16 i;
  3186. static struct bnx2x_reg_set reg_set[] = {
  3187. /* Step 1 - Program the TX/RX alignment markers */
  3188. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
  3189. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
  3190. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
  3191. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
  3192. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
  3193. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
  3194. /* Step 2 - Configure the NP registers */
  3195. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
  3196. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
  3197. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
  3198. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
  3199. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
  3200. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
  3201. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
  3202. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
  3203. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
  3204. };
  3205. DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n");
  3206. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3207. MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
  3208. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3209. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3210. reg_set[i].val);
  3211. /* Start KR2 work-around timer which handles BCM8073 link-parner */
  3212. params->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
  3213. bnx2x_update_link_attr(params, params->link_attr_sync);
  3214. }
  3215. static void bnx2x_disable_kr2(struct link_params *params,
  3216. struct link_vars *vars,
  3217. struct bnx2x_phy *phy)
  3218. {
  3219. struct bnx2x *bp = params->bp;
  3220. int i;
  3221. static struct bnx2x_reg_set reg_set[] = {
  3222. /* Step 1 - Program the TX/RX alignment markers */
  3223. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
  3224. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
  3225. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
  3226. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
  3227. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
  3228. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
  3229. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
  3230. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
  3231. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
  3232. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
  3233. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
  3234. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
  3235. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
  3236. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
  3237. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
  3238. };
  3239. DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
  3240. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3241. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3242. reg_set[i].val);
  3243. params->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
  3244. bnx2x_update_link_attr(params, params->link_attr_sync);
  3245. vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;
  3246. }
  3247. static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
  3248. struct link_params *params)
  3249. {
  3250. struct bnx2x *bp = params->bp;
  3251. DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
  3252. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3253. MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
  3254. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3255. MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
  3256. }
  3257. static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
  3258. struct link_params *params)
  3259. {
  3260. /* Restart autoneg on the leading lane only */
  3261. struct bnx2x *bp = params->bp;
  3262. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3263. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3264. MDIO_AER_BLOCK_AER_REG, lane);
  3265. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3266. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3267. /* Restore AER */
  3268. bnx2x_set_aer_mmd(params, phy);
  3269. }
  3270. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3271. struct link_params *params,
  3272. struct link_vars *vars) {
  3273. u16 lane, i, cl72_ctrl, an_adv = 0, val;
  3274. u32 wc_lane_config;
  3275. struct bnx2x *bp = params->bp;
  3276. static struct bnx2x_reg_set reg_set[] = {
  3277. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3278. {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
  3279. {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
  3280. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
  3281. /* Disable Autoneg: re-enable it after adv is done. */
  3282. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
  3283. {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
  3284. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
  3285. };
  3286. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3287. /* Set to default registers that may be overriden by 10G force */
  3288. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3289. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3290. reg_set[i].val);
  3291. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3292. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
  3293. cl72_ctrl &= 0x08ff;
  3294. cl72_ctrl |= 0x3800;
  3295. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3296. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
  3297. /* Check adding advertisement for 1G KX */
  3298. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3299. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3300. (vars->line_speed == SPEED_1000)) {
  3301. u16 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
  3302. an_adv |= (1<<5);
  3303. /* Enable CL37 1G Parallel Detect */
  3304. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
  3305. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3306. }
  3307. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3308. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3309. (vars->line_speed == SPEED_10000)) {
  3310. /* Check adding advertisement for 10G KR */
  3311. an_adv |= (1<<7);
  3312. /* Enable 10G Parallel Detect */
  3313. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3314. MDIO_AER_BLOCK_AER_REG, 0);
  3315. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3316. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3317. bnx2x_set_aer_mmd(params, phy);
  3318. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3319. }
  3320. /* Set Transmit PMD settings */
  3321. lane = bnx2x_get_warpcore_lane(phy, params);
  3322. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3323. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3324. WC_TX_DRIVER(0x02, 0x06, 0x09, 0));
  3325. /* Configure the next lane if dual mode */
  3326. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3327. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3328. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
  3329. WC_TX_DRIVER(0x02, 0x06, 0x09, 0));
  3330. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3331. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3332. 0x03f0);
  3333. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3334. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3335. 0x03f0);
  3336. /* Advertised speeds */
  3337. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3338. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
  3339. /* Advertised and set FEC (Forward Error Correction) */
  3340. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3341. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3342. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3343. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3344. /* Enable CL37 BAM */
  3345. if (REG_RD(bp, params->shmem_base +
  3346. offsetof(struct shmem_region, dev_info.
  3347. port_hw_config[params->port].default_cfg)) &
  3348. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3349. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3350. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
  3351. 1);
  3352. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3353. }
  3354. /* Advertise pause */
  3355. bnx2x_ext_phy_set_pause(params, phy, vars);
  3356. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3357. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3358. MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
  3359. /* Over 1G - AN local device user page 1 */
  3360. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3361. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3362. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  3363. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
  3364. (phy->req_line_speed == SPEED_20000)) {
  3365. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3366. MDIO_AER_BLOCK_AER_REG, lane);
  3367. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3368. MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
  3369. (1<<11));
  3370. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3371. MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
  3372. bnx2x_set_aer_mmd(params, phy);
  3373. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  3374. } else {
  3375. /* Enable Auto-Detect to support 1G over CL37 as well */
  3376. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3377. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x10);
  3378. wc_lane_config = REG_RD(bp, params->shmem_base +
  3379. offsetof(struct shmem_region, dev_info.
  3380. shared_hw_config.wc_lane_config));
  3381. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3382. MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4), &val);
  3383. /* Force cl48 sync_status LOW to avoid getting stuck in CL73
  3384. * parallel-detect loop when CL73 and CL37 are enabled.
  3385. */
  3386. val |= 1 << 11;
  3387. /* Restore Polarity settings in case it was run over by
  3388. * previous link owner
  3389. */
  3390. if (wc_lane_config &
  3391. (SHARED_HW_CFG_RX_LANE0_POL_FLIP_ENABLED << lane))
  3392. val |= 3 << 2;
  3393. else
  3394. val &= ~(3 << 2);
  3395. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3396. MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4),
  3397. val);
  3398. bnx2x_disable_kr2(params, vars, phy);
  3399. }
  3400. /* Enable Autoneg: only on the main lane */
  3401. bnx2x_warpcore_restart_AN_KR(phy, params);
  3402. }
  3403. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3404. struct link_params *params,
  3405. struct link_vars *vars)
  3406. {
  3407. struct bnx2x *bp = params->bp;
  3408. u16 val16, i, lane;
  3409. static struct bnx2x_reg_set reg_set[] = {
  3410. /* Disable Autoneg */
  3411. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3412. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3413. 0x3f00},
  3414. {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
  3415. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
  3416. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
  3417. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
  3418. /* Leave cl72 training enable, needed for KR */
  3419. {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
  3420. };
  3421. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3422. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3423. reg_set[i].val);
  3424. lane = bnx2x_get_warpcore_lane(phy, params);
  3425. /* Global registers */
  3426. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3427. MDIO_AER_BLOCK_AER_REG, 0);
  3428. /* Disable CL36 PCS Tx */
  3429. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3430. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  3431. val16 &= ~(0x0011 << lane);
  3432. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3433. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  3434. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3435. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  3436. val16 |= (0x0303 << (lane << 1));
  3437. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3438. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  3439. /* Restore AER */
  3440. bnx2x_set_aer_mmd(params, phy);
  3441. /* Set speed via PMA/PMD register */
  3442. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3443. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3444. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3445. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3446. /* Enable encoded forced speed */
  3447. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3448. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3449. /* Turn TX scramble payload only the 64/66 scrambler */
  3450. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3451. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3452. /* Turn RX scramble payload only the 64/66 scrambler */
  3453. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3454. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3455. /* Set and clear loopback to cause a reset to 64/66 decoder */
  3456. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3457. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3458. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3459. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3460. }
  3461. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3462. struct link_params *params,
  3463. u8 is_xfi)
  3464. {
  3465. struct bnx2x *bp = params->bp;
  3466. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3467. u32 cfg_tap_val, tx_drv_brdct, tx_equal;
  3468. u32 ifir_val, ipost2_val, ipre_driver_val;
  3469. /* Hold rxSeqStart */
  3470. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3471. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
  3472. /* Hold tx_fifo_reset */
  3473. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3474. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
  3475. /* Disable CL73 AN */
  3476. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3477. /* Disable 100FX Enable and Auto-Detect */
  3478. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3479. MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
  3480. /* Disable 100FX Idle detect */
  3481. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3482. MDIO_WC_REG_FX100_CTRL3, 0x0080);
  3483. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3484. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3485. MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
  3486. /* Turn off auto-detect & fiber mode */
  3487. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3488. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3489. 0xFFEE);
  3490. /* Set filter_force_link, disable_false_link and parallel_detect */
  3491. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3492. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3493. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3494. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3495. ((val | 0x0006) & 0xFFFE));
  3496. /* Set XFI / SFI */
  3497. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3498. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3499. misc1_val &= ~(0x1f);
  3500. if (is_xfi) {
  3501. misc1_val |= 0x5;
  3502. tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
  3503. tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03, 0);
  3504. } else {
  3505. cfg_tap_val = REG_RD(bp, params->shmem_base +
  3506. offsetof(struct shmem_region, dev_info.
  3507. port_hw_config[params->port].
  3508. sfi_tap_values));
  3509. tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
  3510. misc1_val |= 0x9;
  3511. /* TAP values are controlled by nvram, if value there isn't 0 */
  3512. if (tx_equal)
  3513. tap_val = (u16)tx_equal;
  3514. else
  3515. tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
  3516. ifir_val = DEFAULT_TX_DRV_IFIR;
  3517. ipost2_val = DEFAULT_TX_DRV_POST2;
  3518. ipre_driver_val = DEFAULT_TX_DRV_IPRE_DRIVER;
  3519. tx_drv_brdct = DEFAULT_TX_DRV_BRDCT;
  3520. /* If any of the IFIR/IPRE_DRIVER/POST@ is set, apply all
  3521. * configuration.
  3522. */
  3523. if (cfg_tap_val & (PORT_HW_CFG_TX_DRV_IFIR_MASK |
  3524. PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK |
  3525. PORT_HW_CFG_TX_DRV_POST2_MASK)) {
  3526. ifir_val = (cfg_tap_val &
  3527. PORT_HW_CFG_TX_DRV_IFIR_MASK) >>
  3528. PORT_HW_CFG_TX_DRV_IFIR_SHIFT;
  3529. ipre_driver_val = (cfg_tap_val &
  3530. PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK)
  3531. >> PORT_HW_CFG_TX_DRV_IPREDRIVER_SHIFT;
  3532. ipost2_val = (cfg_tap_val &
  3533. PORT_HW_CFG_TX_DRV_POST2_MASK) >>
  3534. PORT_HW_CFG_TX_DRV_POST2_SHIFT;
  3535. }
  3536. if (cfg_tap_val & PORT_HW_CFG_TX_DRV_BROADCAST_MASK) {
  3537. tx_drv_brdct = (cfg_tap_val &
  3538. PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
  3539. PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
  3540. }
  3541. tx_driver_val = WC_TX_DRIVER(ipost2_val, tx_drv_brdct,
  3542. ipre_driver_val, ifir_val);
  3543. }
  3544. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3545. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3546. /* Set Transmit PMD settings */
  3547. lane = bnx2x_get_warpcore_lane(phy, params);
  3548. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3549. MDIO_WC_REG_TX_FIR_TAP,
  3550. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3551. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3552. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3553. tx_driver_val);
  3554. /* Enable fiber mode, enable and invert sig_det */
  3555. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3556. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
  3557. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3558. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3559. MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
  3560. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3561. /* 10G XFI Full Duplex */
  3562. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3563. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3564. /* Release tx_fifo_reset */
  3565. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3566. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3567. 0xFFFE);
  3568. /* Release rxSeqStart */
  3569. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3570. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
  3571. }
  3572. static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
  3573. struct link_params *params)
  3574. {
  3575. u16 val;
  3576. struct bnx2x *bp = params->bp;
  3577. /* Set global registers, so set AER lane to 0 */
  3578. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3579. MDIO_AER_BLOCK_AER_REG, 0);
  3580. /* Disable sequencer */
  3581. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3582. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
  3583. bnx2x_set_aer_mmd(params, phy);
  3584. bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
  3585. MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
  3586. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3587. MDIO_AN_REG_CTRL, 0);
  3588. /* Turn off CL73 */
  3589. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3590. MDIO_WC_REG_CL73_USERB0_CTRL, &val);
  3591. val &= ~(1<<5);
  3592. val |= (1<<6);
  3593. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3594. MDIO_WC_REG_CL73_USERB0_CTRL, val);
  3595. /* Set 20G KR2 force speed */
  3596. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3597. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
  3598. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3599. MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
  3600. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3601. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
  3602. val &= ~(3<<14);
  3603. val |= (1<<15);
  3604. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3605. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
  3606. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3607. MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
  3608. /* Enable sequencer (over lane 0) */
  3609. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3610. MDIO_AER_BLOCK_AER_REG, 0);
  3611. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3612. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
  3613. bnx2x_set_aer_mmd(params, phy);
  3614. }
  3615. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3616. struct bnx2x_phy *phy,
  3617. u16 lane)
  3618. {
  3619. /* Rx0 anaRxControl1G */
  3620. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3621. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3622. /* Rx2 anaRxControl1G */
  3623. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3624. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3625. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3626. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3627. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3628. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3629. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3630. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3631. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3632. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3633. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3634. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3635. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3636. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3637. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3638. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3639. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3640. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3641. /* Serdes Digital Misc1 */
  3642. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3643. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3644. /* Serdes Digital4 Misc3 */
  3645. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3646. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3647. /* Set Transmit PMD settings */
  3648. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3649. MDIO_WC_REG_TX_FIR_TAP,
  3650. (WC_TX_FIR(0x12, 0x2d, 0x00) |
  3651. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3652. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3653. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3654. WC_TX_DRIVER(0x02, 0x02, 0x02, 0));
  3655. }
  3656. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3657. struct link_params *params,
  3658. u8 fiber_mode,
  3659. u8 always_autoneg)
  3660. {
  3661. struct bnx2x *bp = params->bp;
  3662. u16 val16, digctrl_kx1, digctrl_kx2;
  3663. /* Clear XFI clock comp in non-10G single lane mode. */
  3664. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3665. MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
  3666. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3667. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3668. /* SGMII Autoneg */
  3669. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3670. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3671. 0x1000);
  3672. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3673. } else {
  3674. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3675. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3676. val16 &= 0xcebf;
  3677. switch (phy->req_line_speed) {
  3678. case SPEED_10:
  3679. break;
  3680. case SPEED_100:
  3681. val16 |= 0x2000;
  3682. break;
  3683. case SPEED_1000:
  3684. val16 |= 0x0040;
  3685. break;
  3686. default:
  3687. DP(NETIF_MSG_LINK,
  3688. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3689. return;
  3690. }
  3691. if (phy->req_duplex == DUPLEX_FULL)
  3692. val16 |= 0x0100;
  3693. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3694. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3695. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3696. phy->req_line_speed);
  3697. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3698. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3699. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3700. }
  3701. /* SGMII Slave mode and disable signal detect */
  3702. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3703. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3704. if (fiber_mode)
  3705. digctrl_kx1 = 1;
  3706. else
  3707. digctrl_kx1 &= 0xff4a;
  3708. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3709. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3710. digctrl_kx1);
  3711. /* Turn off parallel detect */
  3712. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3713. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3714. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3715. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3716. (digctrl_kx2 & ~(1<<2)));
  3717. /* Re-enable parallel detect */
  3718. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3719. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3720. (digctrl_kx2 | (1<<2)));
  3721. /* Enable autodet */
  3722. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3723. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3724. (digctrl_kx1 | 0x10));
  3725. }
  3726. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3727. struct bnx2x_phy *phy,
  3728. u8 reset)
  3729. {
  3730. u16 val;
  3731. /* Take lane out of reset after configuration is finished */
  3732. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3733. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3734. if (reset)
  3735. val |= 0xC000;
  3736. else
  3737. val &= 0x3FFF;
  3738. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3739. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3740. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3741. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3742. }
  3743. /* Clear SFI/XFI link settings registers */
  3744. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3745. struct link_params *params,
  3746. u16 lane)
  3747. {
  3748. struct bnx2x *bp = params->bp;
  3749. u16 i;
  3750. static struct bnx2x_reg_set wc_regs[] = {
  3751. {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
  3752. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
  3753. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
  3754. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
  3755. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3756. 0x0195},
  3757. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3758. 0x0007},
  3759. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3760. 0x0002},
  3761. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
  3762. {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
  3763. {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
  3764. {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
  3765. };
  3766. /* Set XFI clock comp as default. */
  3767. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3768. MDIO_WC_REG_RX66_CONTROL, (3<<13));
  3769. for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
  3770. bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
  3771. wc_regs[i].val);
  3772. lane = bnx2x_get_warpcore_lane(phy, params);
  3773. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3774. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3775. }
  3776. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3777. u32 chip_id,
  3778. u32 shmem_base, u8 port,
  3779. u8 *gpio_num, u8 *gpio_port)
  3780. {
  3781. u32 cfg_pin;
  3782. *gpio_num = 0;
  3783. *gpio_port = 0;
  3784. if (CHIP_IS_E3(bp)) {
  3785. cfg_pin = (REG_RD(bp, shmem_base +
  3786. offsetof(struct shmem_region,
  3787. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3788. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3789. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3790. /* Should not happen. This function called upon interrupt
  3791. * triggered by GPIO ( since EPIO can only generate interrupts
  3792. * to MCP).
  3793. * So if this function was called and none of the GPIOs was set,
  3794. * it means the shit hit the fan.
  3795. */
  3796. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3797. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3798. DP(NETIF_MSG_LINK,
  3799. "No cfg pin %x for module detect indication\n",
  3800. cfg_pin);
  3801. return -EINVAL;
  3802. }
  3803. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3804. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3805. } else {
  3806. *gpio_num = MISC_REGISTERS_GPIO_3;
  3807. *gpio_port = port;
  3808. }
  3809. return 0;
  3810. }
  3811. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3812. struct link_params *params)
  3813. {
  3814. struct bnx2x *bp = params->bp;
  3815. u8 gpio_num, gpio_port;
  3816. u32 gpio_val;
  3817. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3818. params->shmem_base, params->port,
  3819. &gpio_num, &gpio_port) != 0)
  3820. return 0;
  3821. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3822. /* Call the handling function in case module is detected */
  3823. if (gpio_val == 0)
  3824. return 1;
  3825. else
  3826. return 0;
  3827. }
  3828. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3829. struct link_params *params)
  3830. {
  3831. u16 gp2_status_reg0, lane;
  3832. struct bnx2x *bp = params->bp;
  3833. lane = bnx2x_get_warpcore_lane(phy, params);
  3834. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3835. &gp2_status_reg0);
  3836. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3837. }
  3838. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3839. struct link_params *params,
  3840. struct link_vars *vars)
  3841. {
  3842. struct bnx2x *bp = params->bp;
  3843. u32 serdes_net_if;
  3844. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3845. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3846. if (!vars->turn_to_run_wc_rt)
  3847. return;
  3848. if (vars->rx_tx_asic_rst) {
  3849. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3850. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3851. offsetof(struct shmem_region, dev_info.
  3852. port_hw_config[params->port].default_cfg)) &
  3853. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3854. switch (serdes_net_if) {
  3855. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3856. /* Do we get link yet? */
  3857. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3858. &gp_status1);
  3859. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3860. /*10G KR*/
  3861. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3862. if (lnkup_kr || lnkup) {
  3863. vars->rx_tx_asic_rst = 0;
  3864. } else {
  3865. /* Reset the lane to see if link comes up.*/
  3866. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3867. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3868. /* Restart Autoneg */
  3869. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3870. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3871. vars->rx_tx_asic_rst--;
  3872. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3873. vars->rx_tx_asic_rst);
  3874. }
  3875. break;
  3876. default:
  3877. break;
  3878. }
  3879. } /*params->rx_tx_asic_rst*/
  3880. }
  3881. static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
  3882. struct link_params *params)
  3883. {
  3884. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3885. struct bnx2x *bp = params->bp;
  3886. bnx2x_warpcore_clear_regs(phy, params, lane);
  3887. if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
  3888. SPEED_10000) &&
  3889. (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
  3890. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3891. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3892. } else {
  3893. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3894. bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
  3895. }
  3896. }
  3897. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3898. struct bnx2x_phy *phy,
  3899. u8 tx_en)
  3900. {
  3901. struct bnx2x *bp = params->bp;
  3902. u32 cfg_pin;
  3903. u8 port = params->port;
  3904. cfg_pin = REG_RD(bp, params->shmem_base +
  3905. offsetof(struct shmem_region,
  3906. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3907. PORT_HW_CFG_E3_TX_LASER_MASK;
  3908. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3909. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3910. /* For 20G, the expected pin to be used is 3 pins after the current */
  3911. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3912. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3913. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3914. }
  3915. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3916. struct link_params *params,
  3917. struct link_vars *vars)
  3918. {
  3919. struct bnx2x *bp = params->bp;
  3920. u32 serdes_net_if;
  3921. u8 fiber_mode;
  3922. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3923. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3924. offsetof(struct shmem_region, dev_info.
  3925. port_hw_config[params->port].default_cfg)) &
  3926. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3927. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3928. "serdes_net_if = 0x%x\n",
  3929. vars->line_speed, serdes_net_if);
  3930. bnx2x_set_aer_mmd(params, phy);
  3931. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3932. vars->phy_flags |= PHY_XGXS_FLAG;
  3933. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3934. (phy->req_line_speed &&
  3935. ((phy->req_line_speed == SPEED_100) ||
  3936. (phy->req_line_speed == SPEED_10)))) {
  3937. vars->phy_flags |= PHY_SGMII_FLAG;
  3938. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3939. bnx2x_warpcore_clear_regs(phy, params, lane);
  3940. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3941. } else {
  3942. switch (serdes_net_if) {
  3943. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3944. /* Enable KR Auto Neg */
  3945. if (params->loopback_mode != LOOPBACK_EXT)
  3946. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3947. else {
  3948. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3949. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3950. }
  3951. break;
  3952. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3953. bnx2x_warpcore_clear_regs(phy, params, lane);
  3954. if (vars->line_speed == SPEED_10000) {
  3955. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3956. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3957. } else {
  3958. if (SINGLE_MEDIA_DIRECT(params)) {
  3959. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3960. fiber_mode = 1;
  3961. } else {
  3962. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3963. fiber_mode = 0;
  3964. }
  3965. bnx2x_warpcore_set_sgmii_speed(phy,
  3966. params,
  3967. fiber_mode,
  3968. 0);
  3969. }
  3970. break;
  3971. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3972. /* Issue Module detection if module is plugged, or
  3973. * enabled transmitter to avoid current leakage in case
  3974. * no module is connected
  3975. */
  3976. if ((params->loopback_mode == LOOPBACK_NONE) ||
  3977. (params->loopback_mode == LOOPBACK_EXT)) {
  3978. if (bnx2x_is_sfp_module_plugged(phy, params))
  3979. bnx2x_sfp_module_detection(phy, params);
  3980. else
  3981. bnx2x_sfp_e3_set_transmitter(params,
  3982. phy, 1);
  3983. }
  3984. bnx2x_warpcore_config_sfi(phy, params);
  3985. break;
  3986. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3987. if (vars->line_speed != SPEED_20000) {
  3988. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3989. return;
  3990. }
  3991. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3992. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3993. /* Issue Module detection */
  3994. bnx2x_sfp_module_detection(phy, params);
  3995. break;
  3996. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3997. if (!params->loopback_mode) {
  3998. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3999. } else {
  4000. DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
  4001. bnx2x_warpcore_set_20G_force_KR2(phy, params);
  4002. }
  4003. break;
  4004. default:
  4005. DP(NETIF_MSG_LINK,
  4006. "Unsupported Serdes Net Interface 0x%x\n",
  4007. serdes_net_if);
  4008. return;
  4009. }
  4010. }
  4011. /* Take lane out of reset after configuration is finished */
  4012. bnx2x_warpcore_reset_lane(bp, phy, 0);
  4013. DP(NETIF_MSG_LINK, "Exit config init\n");
  4014. }
  4015. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  4016. struct link_params *params)
  4017. {
  4018. struct bnx2x *bp = params->bp;
  4019. u16 val16, lane;
  4020. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  4021. bnx2x_set_mdio_emac_per_phy(bp, params);
  4022. bnx2x_set_aer_mmd(params, phy);
  4023. /* Global register */
  4024. bnx2x_warpcore_reset_lane(bp, phy, 1);
  4025. /* Clear loopback settings (if any) */
  4026. /* 10G & 20G */
  4027. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  4028. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
  4029. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  4030. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
  4031. /* Update those 1-copy registers */
  4032. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  4033. MDIO_AER_BLOCK_AER_REG, 0);
  4034. /* Enable 1G MDIO (1-copy) */
  4035. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  4036. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4037. ~0x10);
  4038. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  4039. MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
  4040. lane = bnx2x_get_warpcore_lane(phy, params);
  4041. /* Disable CL36 PCS Tx */
  4042. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4043. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  4044. val16 |= (0x11 << lane);
  4045. if (phy->flags & FLAGS_WC_DUAL_MODE)
  4046. val16 |= (0x22 << lane);
  4047. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4048. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  4049. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4050. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  4051. val16 &= ~(0x0303 << (lane << 1));
  4052. val16 |= (0x0101 << (lane << 1));
  4053. if (phy->flags & FLAGS_WC_DUAL_MODE) {
  4054. val16 &= ~(0x0c0c << (lane << 1));
  4055. val16 |= (0x0404 << (lane << 1));
  4056. }
  4057. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4058. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  4059. /* Restore AER */
  4060. bnx2x_set_aer_mmd(params, phy);
  4061. }
  4062. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  4063. struct link_params *params)
  4064. {
  4065. struct bnx2x *bp = params->bp;
  4066. u16 val16;
  4067. u32 lane;
  4068. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  4069. params->loopback_mode, phy->req_line_speed);
  4070. if (phy->req_line_speed < SPEED_10000 ||
  4071. phy->supported & SUPPORTED_20000baseKR2_Full) {
  4072. /* 10/100/1000/20G-KR2 */
  4073. /* Update those 1-copy registers */
  4074. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  4075. MDIO_AER_BLOCK_AER_REG, 0);
  4076. /* Enable 1G MDIO (1-copy) */
  4077. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4078. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4079. 0x10);
  4080. /* Set 1G loopback based on lane (1-copy) */
  4081. lane = bnx2x_get_warpcore_lane(phy, params);
  4082. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4083. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  4084. val16 |= (1<<lane);
  4085. if (phy->flags & FLAGS_WC_DUAL_MODE)
  4086. val16 |= (2<<lane);
  4087. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4088. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  4089. val16);
  4090. /* Switch back to 4-copy registers */
  4091. bnx2x_set_aer_mmd(params, phy);
  4092. } else {
  4093. /* 10G / 20G-DXGXS */
  4094. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4095. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  4096. 0x4000);
  4097. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4098. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
  4099. }
  4100. }
  4101. static void bnx2x_sync_link(struct link_params *params,
  4102. struct link_vars *vars)
  4103. {
  4104. struct bnx2x *bp = params->bp;
  4105. u8 link_10g_plus;
  4106. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4107. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  4108. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  4109. if (vars->link_up) {
  4110. DP(NETIF_MSG_LINK, "phy link up\n");
  4111. vars->phy_link_up = 1;
  4112. vars->duplex = DUPLEX_FULL;
  4113. switch (vars->link_status &
  4114. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  4115. case LINK_10THD:
  4116. vars->duplex = DUPLEX_HALF;
  4117. /* Fall thru */
  4118. case LINK_10TFD:
  4119. vars->line_speed = SPEED_10;
  4120. break;
  4121. case LINK_100TXHD:
  4122. vars->duplex = DUPLEX_HALF;
  4123. /* Fall thru */
  4124. case LINK_100T4:
  4125. case LINK_100TXFD:
  4126. vars->line_speed = SPEED_100;
  4127. break;
  4128. case LINK_1000THD:
  4129. vars->duplex = DUPLEX_HALF;
  4130. /* Fall thru */
  4131. case LINK_1000TFD:
  4132. vars->line_speed = SPEED_1000;
  4133. break;
  4134. case LINK_2500THD:
  4135. vars->duplex = DUPLEX_HALF;
  4136. /* Fall thru */
  4137. case LINK_2500TFD:
  4138. vars->line_speed = SPEED_2500;
  4139. break;
  4140. case LINK_10GTFD:
  4141. vars->line_speed = SPEED_10000;
  4142. break;
  4143. case LINK_20GTFD:
  4144. vars->line_speed = SPEED_20000;
  4145. break;
  4146. default:
  4147. break;
  4148. }
  4149. vars->flow_ctrl = 0;
  4150. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4151. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4152. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4153. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4154. if (!vars->flow_ctrl)
  4155. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4156. if (vars->line_speed &&
  4157. ((vars->line_speed == SPEED_10) ||
  4158. (vars->line_speed == SPEED_100))) {
  4159. vars->phy_flags |= PHY_SGMII_FLAG;
  4160. } else {
  4161. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4162. }
  4163. if (vars->line_speed &&
  4164. USES_WARPCORE(bp) &&
  4165. (vars->line_speed == SPEED_1000))
  4166. vars->phy_flags |= PHY_SGMII_FLAG;
  4167. /* Anything 10 and over uses the bmac */
  4168. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4169. if (link_10g_plus) {
  4170. if (USES_WARPCORE(bp))
  4171. vars->mac_type = MAC_TYPE_XMAC;
  4172. else
  4173. vars->mac_type = MAC_TYPE_BMAC;
  4174. } else {
  4175. if (USES_WARPCORE(bp))
  4176. vars->mac_type = MAC_TYPE_UMAC;
  4177. else
  4178. vars->mac_type = MAC_TYPE_EMAC;
  4179. }
  4180. } else { /* Link down */
  4181. DP(NETIF_MSG_LINK, "phy link down\n");
  4182. vars->phy_link_up = 0;
  4183. vars->line_speed = 0;
  4184. vars->duplex = DUPLEX_FULL;
  4185. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4186. /* Indicate no mac active */
  4187. vars->mac_type = MAC_TYPE_NONE;
  4188. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4189. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4190. if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
  4191. vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
  4192. }
  4193. }
  4194. void bnx2x_link_status_update(struct link_params *params,
  4195. struct link_vars *vars)
  4196. {
  4197. struct bnx2x *bp = params->bp;
  4198. u8 port = params->port;
  4199. u32 sync_offset, media_types;
  4200. /* Update PHY configuration */
  4201. set_phy_vars(params, vars);
  4202. vars->link_status = REG_RD(bp, params->shmem_base +
  4203. offsetof(struct shmem_region,
  4204. port_mb[port].link_status));
  4205. /* Force link UP in non LOOPBACK_EXT loopback mode(s) */
  4206. if (params->loopback_mode != LOOPBACK_NONE &&
  4207. params->loopback_mode != LOOPBACK_EXT)
  4208. vars->link_status |= LINK_STATUS_LINK_UP;
  4209. if (bnx2x_eee_has_cap(params))
  4210. vars->eee_status = REG_RD(bp, params->shmem2_base +
  4211. offsetof(struct shmem2_region,
  4212. eee_status[params->port]));
  4213. vars->phy_flags = PHY_XGXS_FLAG;
  4214. bnx2x_sync_link(params, vars);
  4215. /* Sync media type */
  4216. sync_offset = params->shmem_base +
  4217. offsetof(struct shmem_region,
  4218. dev_info.port_hw_config[port].media_type);
  4219. media_types = REG_RD(bp, sync_offset);
  4220. params->phy[INT_PHY].media_type =
  4221. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4222. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4223. params->phy[EXT_PHY1].media_type =
  4224. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4225. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4226. params->phy[EXT_PHY2].media_type =
  4227. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4228. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4229. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4230. /* Sync AEU offset */
  4231. sync_offset = params->shmem_base +
  4232. offsetof(struct shmem_region,
  4233. dev_info.port_hw_config[port].aeu_int_mask);
  4234. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4235. /* Sync PFC status */
  4236. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4237. params->feature_config_flags |=
  4238. FEATURE_CONFIG_PFC_ENABLED;
  4239. else
  4240. params->feature_config_flags &=
  4241. ~FEATURE_CONFIG_PFC_ENABLED;
  4242. if (SHMEM2_HAS(bp, link_attr_sync))
  4243. params->link_attr_sync = SHMEM2_RD(bp,
  4244. link_attr_sync[params->port]);
  4245. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4246. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4247. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4248. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4249. }
  4250. static void bnx2x_set_master_ln(struct link_params *params,
  4251. struct bnx2x_phy *phy)
  4252. {
  4253. struct bnx2x *bp = params->bp;
  4254. u16 new_master_ln, ser_lane;
  4255. ser_lane = ((params->lane_config &
  4256. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4257. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4258. /* Set the master_ln for AN */
  4259. CL22_RD_OVER_CL45(bp, phy,
  4260. MDIO_REG_BANK_XGXS_BLOCK2,
  4261. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4262. &new_master_ln);
  4263. CL22_WR_OVER_CL45(bp, phy,
  4264. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4265. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4266. (new_master_ln | ser_lane));
  4267. }
  4268. static int bnx2x_reset_unicore(struct link_params *params,
  4269. struct bnx2x_phy *phy,
  4270. u8 set_serdes)
  4271. {
  4272. struct bnx2x *bp = params->bp;
  4273. u16 mii_control;
  4274. u16 i;
  4275. CL22_RD_OVER_CL45(bp, phy,
  4276. MDIO_REG_BANK_COMBO_IEEE0,
  4277. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4278. /* Reset the unicore */
  4279. CL22_WR_OVER_CL45(bp, phy,
  4280. MDIO_REG_BANK_COMBO_IEEE0,
  4281. MDIO_COMBO_IEEE0_MII_CONTROL,
  4282. (mii_control |
  4283. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4284. if (set_serdes)
  4285. bnx2x_set_serdes_access(bp, params->port);
  4286. /* Wait for the reset to self clear */
  4287. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4288. udelay(5);
  4289. /* The reset erased the previous bank value */
  4290. CL22_RD_OVER_CL45(bp, phy,
  4291. MDIO_REG_BANK_COMBO_IEEE0,
  4292. MDIO_COMBO_IEEE0_MII_CONTROL,
  4293. &mii_control);
  4294. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4295. udelay(5);
  4296. return 0;
  4297. }
  4298. }
  4299. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4300. " Port %d\n",
  4301. params->port);
  4302. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4303. return -EINVAL;
  4304. }
  4305. static void bnx2x_set_swap_lanes(struct link_params *params,
  4306. struct bnx2x_phy *phy)
  4307. {
  4308. struct bnx2x *bp = params->bp;
  4309. /* Each two bits represents a lane number:
  4310. * No swap is 0123 => 0x1b no need to enable the swap
  4311. */
  4312. u16 rx_lane_swap, tx_lane_swap;
  4313. rx_lane_swap = ((params->lane_config &
  4314. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4315. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4316. tx_lane_swap = ((params->lane_config &
  4317. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4318. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4319. if (rx_lane_swap != 0x1b) {
  4320. CL22_WR_OVER_CL45(bp, phy,
  4321. MDIO_REG_BANK_XGXS_BLOCK2,
  4322. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4323. (rx_lane_swap |
  4324. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4325. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4326. } else {
  4327. CL22_WR_OVER_CL45(bp, phy,
  4328. MDIO_REG_BANK_XGXS_BLOCK2,
  4329. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4330. }
  4331. if (tx_lane_swap != 0x1b) {
  4332. CL22_WR_OVER_CL45(bp, phy,
  4333. MDIO_REG_BANK_XGXS_BLOCK2,
  4334. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4335. (tx_lane_swap |
  4336. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4337. } else {
  4338. CL22_WR_OVER_CL45(bp, phy,
  4339. MDIO_REG_BANK_XGXS_BLOCK2,
  4340. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4341. }
  4342. }
  4343. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4344. struct link_params *params)
  4345. {
  4346. struct bnx2x *bp = params->bp;
  4347. u16 control2;
  4348. CL22_RD_OVER_CL45(bp, phy,
  4349. MDIO_REG_BANK_SERDES_DIGITAL,
  4350. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4351. &control2);
  4352. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4353. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4354. else
  4355. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4356. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4357. phy->speed_cap_mask, control2);
  4358. CL22_WR_OVER_CL45(bp, phy,
  4359. MDIO_REG_BANK_SERDES_DIGITAL,
  4360. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4361. control2);
  4362. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4363. (phy->speed_cap_mask &
  4364. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4365. DP(NETIF_MSG_LINK, "XGXS\n");
  4366. CL22_WR_OVER_CL45(bp, phy,
  4367. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4368. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4369. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4370. CL22_RD_OVER_CL45(bp, phy,
  4371. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4372. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4373. &control2);
  4374. control2 |=
  4375. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4376. CL22_WR_OVER_CL45(bp, phy,
  4377. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4378. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4379. control2);
  4380. /* Disable parallel detection of HiG */
  4381. CL22_WR_OVER_CL45(bp, phy,
  4382. MDIO_REG_BANK_XGXS_BLOCK2,
  4383. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4384. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4385. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4386. }
  4387. }
  4388. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4389. struct link_params *params,
  4390. struct link_vars *vars,
  4391. u8 enable_cl73)
  4392. {
  4393. struct bnx2x *bp = params->bp;
  4394. u16 reg_val;
  4395. /* CL37 Autoneg */
  4396. CL22_RD_OVER_CL45(bp, phy,
  4397. MDIO_REG_BANK_COMBO_IEEE0,
  4398. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4399. /* CL37 Autoneg Enabled */
  4400. if (vars->line_speed == SPEED_AUTO_NEG)
  4401. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4402. else /* CL37 Autoneg Disabled */
  4403. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4404. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4405. CL22_WR_OVER_CL45(bp, phy,
  4406. MDIO_REG_BANK_COMBO_IEEE0,
  4407. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4408. /* Enable/Disable Autodetection */
  4409. CL22_RD_OVER_CL45(bp, phy,
  4410. MDIO_REG_BANK_SERDES_DIGITAL,
  4411. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4412. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4413. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4414. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4415. if (vars->line_speed == SPEED_AUTO_NEG)
  4416. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4417. else
  4418. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4419. CL22_WR_OVER_CL45(bp, phy,
  4420. MDIO_REG_BANK_SERDES_DIGITAL,
  4421. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4422. /* Enable TetonII and BAM autoneg */
  4423. CL22_RD_OVER_CL45(bp, phy,
  4424. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4425. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4426. &reg_val);
  4427. if (vars->line_speed == SPEED_AUTO_NEG) {
  4428. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4429. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4430. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4431. } else {
  4432. /* TetonII and BAM Autoneg Disabled */
  4433. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4434. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4435. }
  4436. CL22_WR_OVER_CL45(bp, phy,
  4437. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4438. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4439. reg_val);
  4440. if (enable_cl73) {
  4441. /* Enable Cl73 FSM status bits */
  4442. CL22_WR_OVER_CL45(bp, phy,
  4443. MDIO_REG_BANK_CL73_USERB0,
  4444. MDIO_CL73_USERB0_CL73_UCTRL,
  4445. 0xe);
  4446. /* Enable BAM Station Manager*/
  4447. CL22_WR_OVER_CL45(bp, phy,
  4448. MDIO_REG_BANK_CL73_USERB0,
  4449. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4450. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4451. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4452. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4453. /* Advertise CL73 link speeds */
  4454. CL22_RD_OVER_CL45(bp, phy,
  4455. MDIO_REG_BANK_CL73_IEEEB1,
  4456. MDIO_CL73_IEEEB1_AN_ADV2,
  4457. &reg_val);
  4458. if (phy->speed_cap_mask &
  4459. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4460. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4461. if (phy->speed_cap_mask &
  4462. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4463. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4464. CL22_WR_OVER_CL45(bp, phy,
  4465. MDIO_REG_BANK_CL73_IEEEB1,
  4466. MDIO_CL73_IEEEB1_AN_ADV2,
  4467. reg_val);
  4468. /* CL73 Autoneg Enabled */
  4469. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4470. } else /* CL73 Autoneg Disabled */
  4471. reg_val = 0;
  4472. CL22_WR_OVER_CL45(bp, phy,
  4473. MDIO_REG_BANK_CL73_IEEEB0,
  4474. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4475. }
  4476. /* Program SerDes, forced speed */
  4477. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4478. struct link_params *params,
  4479. struct link_vars *vars)
  4480. {
  4481. struct bnx2x *bp = params->bp;
  4482. u16 reg_val;
  4483. /* Program duplex, disable autoneg and sgmii*/
  4484. CL22_RD_OVER_CL45(bp, phy,
  4485. MDIO_REG_BANK_COMBO_IEEE0,
  4486. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4487. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4488. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4489. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4490. if (phy->req_duplex == DUPLEX_FULL)
  4491. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4492. CL22_WR_OVER_CL45(bp, phy,
  4493. MDIO_REG_BANK_COMBO_IEEE0,
  4494. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4495. /* Program speed
  4496. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4497. */
  4498. CL22_RD_OVER_CL45(bp, phy,
  4499. MDIO_REG_BANK_SERDES_DIGITAL,
  4500. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4501. /* Clearing the speed value before setting the right speed */
  4502. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4503. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4504. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4505. if (!((vars->line_speed == SPEED_1000) ||
  4506. (vars->line_speed == SPEED_100) ||
  4507. (vars->line_speed == SPEED_10))) {
  4508. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4509. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4510. if (vars->line_speed == SPEED_10000)
  4511. reg_val |=
  4512. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4513. }
  4514. CL22_WR_OVER_CL45(bp, phy,
  4515. MDIO_REG_BANK_SERDES_DIGITAL,
  4516. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4517. }
  4518. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4519. struct link_params *params)
  4520. {
  4521. struct bnx2x *bp = params->bp;
  4522. u16 val = 0;
  4523. /* Set extended capabilities */
  4524. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4525. val |= MDIO_OVER_1G_UP1_2_5G;
  4526. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4527. val |= MDIO_OVER_1G_UP1_10G;
  4528. CL22_WR_OVER_CL45(bp, phy,
  4529. MDIO_REG_BANK_OVER_1G,
  4530. MDIO_OVER_1G_UP1, val);
  4531. CL22_WR_OVER_CL45(bp, phy,
  4532. MDIO_REG_BANK_OVER_1G,
  4533. MDIO_OVER_1G_UP3, 0x400);
  4534. }
  4535. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4536. struct link_params *params,
  4537. u16 ieee_fc)
  4538. {
  4539. struct bnx2x *bp = params->bp;
  4540. u16 val;
  4541. /* For AN, we are always publishing full duplex */
  4542. CL22_WR_OVER_CL45(bp, phy,
  4543. MDIO_REG_BANK_COMBO_IEEE0,
  4544. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4545. CL22_RD_OVER_CL45(bp, phy,
  4546. MDIO_REG_BANK_CL73_IEEEB1,
  4547. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4548. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4549. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4550. CL22_WR_OVER_CL45(bp, phy,
  4551. MDIO_REG_BANK_CL73_IEEEB1,
  4552. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4553. }
  4554. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4555. struct link_params *params,
  4556. u8 enable_cl73)
  4557. {
  4558. struct bnx2x *bp = params->bp;
  4559. u16 mii_control;
  4560. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4561. /* Enable and restart BAM/CL37 aneg */
  4562. if (enable_cl73) {
  4563. CL22_RD_OVER_CL45(bp, phy,
  4564. MDIO_REG_BANK_CL73_IEEEB0,
  4565. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4566. &mii_control);
  4567. CL22_WR_OVER_CL45(bp, phy,
  4568. MDIO_REG_BANK_CL73_IEEEB0,
  4569. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4570. (mii_control |
  4571. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4572. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4573. } else {
  4574. CL22_RD_OVER_CL45(bp, phy,
  4575. MDIO_REG_BANK_COMBO_IEEE0,
  4576. MDIO_COMBO_IEEE0_MII_CONTROL,
  4577. &mii_control);
  4578. DP(NETIF_MSG_LINK,
  4579. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4580. mii_control);
  4581. CL22_WR_OVER_CL45(bp, phy,
  4582. MDIO_REG_BANK_COMBO_IEEE0,
  4583. MDIO_COMBO_IEEE0_MII_CONTROL,
  4584. (mii_control |
  4585. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4586. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4587. }
  4588. }
  4589. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4590. struct link_params *params,
  4591. struct link_vars *vars)
  4592. {
  4593. struct bnx2x *bp = params->bp;
  4594. u16 control1;
  4595. /* In SGMII mode, the unicore is always slave */
  4596. CL22_RD_OVER_CL45(bp, phy,
  4597. MDIO_REG_BANK_SERDES_DIGITAL,
  4598. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4599. &control1);
  4600. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4601. /* Set sgmii mode (and not fiber) */
  4602. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4603. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4604. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4605. CL22_WR_OVER_CL45(bp, phy,
  4606. MDIO_REG_BANK_SERDES_DIGITAL,
  4607. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4608. control1);
  4609. /* If forced speed */
  4610. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4611. /* Set speed, disable autoneg */
  4612. u16 mii_control;
  4613. CL22_RD_OVER_CL45(bp, phy,
  4614. MDIO_REG_BANK_COMBO_IEEE0,
  4615. MDIO_COMBO_IEEE0_MII_CONTROL,
  4616. &mii_control);
  4617. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4618. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4619. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4620. switch (vars->line_speed) {
  4621. case SPEED_100:
  4622. mii_control |=
  4623. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4624. break;
  4625. case SPEED_1000:
  4626. mii_control |=
  4627. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4628. break;
  4629. case SPEED_10:
  4630. /* There is nothing to set for 10M */
  4631. break;
  4632. default:
  4633. /* Invalid speed for SGMII */
  4634. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4635. vars->line_speed);
  4636. break;
  4637. }
  4638. /* Setting the full duplex */
  4639. if (phy->req_duplex == DUPLEX_FULL)
  4640. mii_control |=
  4641. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4642. CL22_WR_OVER_CL45(bp, phy,
  4643. MDIO_REG_BANK_COMBO_IEEE0,
  4644. MDIO_COMBO_IEEE0_MII_CONTROL,
  4645. mii_control);
  4646. } else { /* AN mode */
  4647. /* Enable and restart AN */
  4648. bnx2x_restart_autoneg(phy, params, 0);
  4649. }
  4650. }
  4651. /* Link management
  4652. */
  4653. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4654. struct link_params *params)
  4655. {
  4656. struct bnx2x *bp = params->bp;
  4657. u16 pd_10g, status2_1000x;
  4658. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4659. return 0;
  4660. CL22_RD_OVER_CL45(bp, phy,
  4661. MDIO_REG_BANK_SERDES_DIGITAL,
  4662. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4663. &status2_1000x);
  4664. CL22_RD_OVER_CL45(bp, phy,
  4665. MDIO_REG_BANK_SERDES_DIGITAL,
  4666. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4667. &status2_1000x);
  4668. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4669. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4670. params->port);
  4671. return 1;
  4672. }
  4673. CL22_RD_OVER_CL45(bp, phy,
  4674. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4675. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4676. &pd_10g);
  4677. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4678. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4679. params->port);
  4680. return 1;
  4681. }
  4682. return 0;
  4683. }
  4684. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4685. struct link_params *params,
  4686. struct link_vars *vars,
  4687. u32 gp_status)
  4688. {
  4689. u16 ld_pause; /* local driver */
  4690. u16 lp_pause; /* link partner */
  4691. u16 pause_result;
  4692. struct bnx2x *bp = params->bp;
  4693. if ((gp_status &
  4694. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4695. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4696. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4697. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4698. CL22_RD_OVER_CL45(bp, phy,
  4699. MDIO_REG_BANK_CL73_IEEEB1,
  4700. MDIO_CL73_IEEEB1_AN_ADV1,
  4701. &ld_pause);
  4702. CL22_RD_OVER_CL45(bp, phy,
  4703. MDIO_REG_BANK_CL73_IEEEB1,
  4704. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4705. &lp_pause);
  4706. pause_result = (ld_pause &
  4707. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4708. pause_result |= (lp_pause &
  4709. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4710. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4711. } else {
  4712. CL22_RD_OVER_CL45(bp, phy,
  4713. MDIO_REG_BANK_COMBO_IEEE0,
  4714. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4715. &ld_pause);
  4716. CL22_RD_OVER_CL45(bp, phy,
  4717. MDIO_REG_BANK_COMBO_IEEE0,
  4718. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4719. &lp_pause);
  4720. pause_result = (ld_pause &
  4721. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4722. pause_result |= (lp_pause &
  4723. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4724. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4725. }
  4726. bnx2x_pause_resolve(phy, params, vars, pause_result);
  4727. }
  4728. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4729. struct link_params *params,
  4730. struct link_vars *vars,
  4731. u32 gp_status)
  4732. {
  4733. struct bnx2x *bp = params->bp;
  4734. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4735. /* Resolve from gp_status in case of AN complete and not sgmii */
  4736. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4737. /* Update the advertised flow-controled of LD/LP in AN */
  4738. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4739. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4740. /* But set the flow-control result as the requested one */
  4741. vars->flow_ctrl = phy->req_flow_ctrl;
  4742. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4743. vars->flow_ctrl = params->req_fc_auto_adv;
  4744. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4745. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4746. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4747. vars->flow_ctrl = params->req_fc_auto_adv;
  4748. return;
  4749. }
  4750. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4751. }
  4752. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4753. }
  4754. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4755. struct link_params *params)
  4756. {
  4757. struct bnx2x *bp = params->bp;
  4758. u16 rx_status, ustat_val, cl37_fsm_received;
  4759. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4760. /* Step 1: Make sure signal is detected */
  4761. CL22_RD_OVER_CL45(bp, phy,
  4762. MDIO_REG_BANK_RX0,
  4763. MDIO_RX0_RX_STATUS,
  4764. &rx_status);
  4765. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4766. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4767. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4768. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4769. CL22_WR_OVER_CL45(bp, phy,
  4770. MDIO_REG_BANK_CL73_IEEEB0,
  4771. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4772. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4773. return;
  4774. }
  4775. /* Step 2: Check CL73 state machine */
  4776. CL22_RD_OVER_CL45(bp, phy,
  4777. MDIO_REG_BANK_CL73_USERB0,
  4778. MDIO_CL73_USERB0_CL73_USTAT1,
  4779. &ustat_val);
  4780. if ((ustat_val &
  4781. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4782. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4783. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4784. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4785. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4786. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4787. return;
  4788. }
  4789. /* Step 3: Check CL37 Message Pages received to indicate LP
  4790. * supports only CL37
  4791. */
  4792. CL22_RD_OVER_CL45(bp, phy,
  4793. MDIO_REG_BANK_REMOTE_PHY,
  4794. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4795. &cl37_fsm_received);
  4796. if ((cl37_fsm_received &
  4797. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4798. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4799. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4800. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4801. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4802. "misc_rx_status(0x8330) = 0x%x\n",
  4803. cl37_fsm_received);
  4804. return;
  4805. }
  4806. /* The combined cl37/cl73 fsm state information indicating that
  4807. * we are connected to a device which does not support cl73, but
  4808. * does support cl37 BAM. In this case we disable cl73 and
  4809. * restart cl37 auto-neg
  4810. */
  4811. /* Disable CL73 */
  4812. CL22_WR_OVER_CL45(bp, phy,
  4813. MDIO_REG_BANK_CL73_IEEEB0,
  4814. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4815. 0);
  4816. /* Restart CL37 autoneg */
  4817. bnx2x_restart_autoneg(phy, params, 0);
  4818. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4819. }
  4820. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4821. struct link_params *params,
  4822. struct link_vars *vars,
  4823. u32 gp_status)
  4824. {
  4825. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4826. vars->link_status |=
  4827. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4828. if (bnx2x_direct_parallel_detect_used(phy, params))
  4829. vars->link_status |=
  4830. LINK_STATUS_PARALLEL_DETECTION_USED;
  4831. }
  4832. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4833. struct link_params *params,
  4834. struct link_vars *vars,
  4835. u16 is_link_up,
  4836. u16 speed_mask,
  4837. u16 is_duplex)
  4838. {
  4839. struct bnx2x *bp = params->bp;
  4840. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4841. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4842. if (is_link_up) {
  4843. DP(NETIF_MSG_LINK, "phy link up\n");
  4844. vars->phy_link_up = 1;
  4845. vars->link_status |= LINK_STATUS_LINK_UP;
  4846. switch (speed_mask) {
  4847. case GP_STATUS_10M:
  4848. vars->line_speed = SPEED_10;
  4849. if (is_duplex == DUPLEX_FULL)
  4850. vars->link_status |= LINK_10TFD;
  4851. else
  4852. vars->link_status |= LINK_10THD;
  4853. break;
  4854. case GP_STATUS_100M:
  4855. vars->line_speed = SPEED_100;
  4856. if (is_duplex == DUPLEX_FULL)
  4857. vars->link_status |= LINK_100TXFD;
  4858. else
  4859. vars->link_status |= LINK_100TXHD;
  4860. break;
  4861. case GP_STATUS_1G:
  4862. case GP_STATUS_1G_KX:
  4863. vars->line_speed = SPEED_1000;
  4864. if (is_duplex == DUPLEX_FULL)
  4865. vars->link_status |= LINK_1000TFD;
  4866. else
  4867. vars->link_status |= LINK_1000THD;
  4868. break;
  4869. case GP_STATUS_2_5G:
  4870. vars->line_speed = SPEED_2500;
  4871. if (is_duplex == DUPLEX_FULL)
  4872. vars->link_status |= LINK_2500TFD;
  4873. else
  4874. vars->link_status |= LINK_2500THD;
  4875. break;
  4876. case GP_STATUS_5G:
  4877. case GP_STATUS_6G:
  4878. DP(NETIF_MSG_LINK,
  4879. "link speed unsupported gp_status 0x%x\n",
  4880. speed_mask);
  4881. return -EINVAL;
  4882. case GP_STATUS_10G_KX4:
  4883. case GP_STATUS_10G_HIG:
  4884. case GP_STATUS_10G_CX4:
  4885. case GP_STATUS_10G_KR:
  4886. case GP_STATUS_10G_SFI:
  4887. case GP_STATUS_10G_XFI:
  4888. vars->line_speed = SPEED_10000;
  4889. vars->link_status |= LINK_10GTFD;
  4890. break;
  4891. case GP_STATUS_20G_DXGXS:
  4892. case GP_STATUS_20G_KR2:
  4893. vars->line_speed = SPEED_20000;
  4894. vars->link_status |= LINK_20GTFD;
  4895. break;
  4896. default:
  4897. DP(NETIF_MSG_LINK,
  4898. "link speed unsupported gp_status 0x%x\n",
  4899. speed_mask);
  4900. return -EINVAL;
  4901. }
  4902. } else { /* link_down */
  4903. DP(NETIF_MSG_LINK, "phy link down\n");
  4904. vars->phy_link_up = 0;
  4905. vars->duplex = DUPLEX_FULL;
  4906. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4907. vars->mac_type = MAC_TYPE_NONE;
  4908. }
  4909. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4910. vars->phy_link_up, vars->line_speed);
  4911. return 0;
  4912. }
  4913. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4914. struct link_params *params,
  4915. struct link_vars *vars)
  4916. {
  4917. struct bnx2x *bp = params->bp;
  4918. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4919. int rc = 0;
  4920. /* Read gp_status */
  4921. CL22_RD_OVER_CL45(bp, phy,
  4922. MDIO_REG_BANK_GP_STATUS,
  4923. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4924. &gp_status);
  4925. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4926. duplex = DUPLEX_FULL;
  4927. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4928. link_up = 1;
  4929. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4930. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4931. gp_status, link_up, speed_mask);
  4932. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4933. duplex);
  4934. if (rc == -EINVAL)
  4935. return rc;
  4936. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4937. if (SINGLE_MEDIA_DIRECT(params)) {
  4938. vars->duplex = duplex;
  4939. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4940. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4941. bnx2x_xgxs_an_resolve(phy, params, vars,
  4942. gp_status);
  4943. }
  4944. } else { /* Link_down */
  4945. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4946. SINGLE_MEDIA_DIRECT(params)) {
  4947. /* Check signal is detected */
  4948. bnx2x_check_fallback_to_cl37(phy, params);
  4949. }
  4950. }
  4951. /* Read LP advertised speeds*/
  4952. if (SINGLE_MEDIA_DIRECT(params) &&
  4953. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4954. u16 val;
  4955. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4956. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4957. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4958. vars->link_status |=
  4959. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4960. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4961. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4962. vars->link_status |=
  4963. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4964. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4965. MDIO_OVER_1G_LP_UP1, &val);
  4966. if (val & MDIO_OVER_1G_UP1_2_5G)
  4967. vars->link_status |=
  4968. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4969. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4970. vars->link_status |=
  4971. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4972. }
  4973. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4974. vars->duplex, vars->flow_ctrl, vars->link_status);
  4975. return rc;
  4976. }
  4977. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4978. struct link_params *params,
  4979. struct link_vars *vars)
  4980. {
  4981. struct bnx2x *bp = params->bp;
  4982. u8 lane;
  4983. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4984. int rc = 0;
  4985. lane = bnx2x_get_warpcore_lane(phy, params);
  4986. /* Read gp_status */
  4987. if ((params->loopback_mode) &&
  4988. (phy->flags & FLAGS_WC_DUAL_MODE)) {
  4989. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4990. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4991. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4992. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4993. link_up &= 0x1;
  4994. } else if ((phy->req_line_speed > SPEED_10000) &&
  4995. (phy->supported & SUPPORTED_20000baseMLD2_Full)) {
  4996. u16 temp_link_up;
  4997. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4998. 1, &temp_link_up);
  4999. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5000. 1, &link_up);
  5001. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  5002. temp_link_up, link_up);
  5003. link_up &= (1<<2);
  5004. if (link_up)
  5005. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5006. } else {
  5007. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5008. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5009. &gp_status1);
  5010. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  5011. /* Check for either KR, 1G, or AN up. */
  5012. link_up = ((gp_status1 >> 8) |
  5013. (gp_status1 >> 12) |
  5014. (gp_status1)) &
  5015. (1 << lane);
  5016. if (phy->supported & SUPPORTED_20000baseKR2_Full) {
  5017. u16 an_link;
  5018. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  5019. MDIO_AN_REG_STATUS, &an_link);
  5020. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  5021. MDIO_AN_REG_STATUS, &an_link);
  5022. link_up |= (an_link & (1<<2));
  5023. }
  5024. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  5025. u16 pd, gp_status4;
  5026. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  5027. /* Check Autoneg complete */
  5028. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5029. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  5030. &gp_status4);
  5031. if (gp_status4 & ((1<<12)<<lane))
  5032. vars->link_status |=
  5033. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  5034. /* Check parallel detect used */
  5035. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5036. MDIO_WC_REG_PAR_DET_10G_STATUS,
  5037. &pd);
  5038. if (pd & (1<<15))
  5039. vars->link_status |=
  5040. LINK_STATUS_PARALLEL_DETECTION_USED;
  5041. }
  5042. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5043. vars->duplex = duplex;
  5044. }
  5045. }
  5046. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  5047. SINGLE_MEDIA_DIRECT(params)) {
  5048. u16 val;
  5049. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  5050. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  5051. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  5052. vars->link_status |=
  5053. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  5054. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  5055. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  5056. vars->link_status |=
  5057. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  5058. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5059. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  5060. if (val & MDIO_OVER_1G_UP1_2_5G)
  5061. vars->link_status |=
  5062. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  5063. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  5064. vars->link_status |=
  5065. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  5066. }
  5067. if (lane < 2) {
  5068. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5069. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  5070. } else {
  5071. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5072. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  5073. }
  5074. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  5075. if ((lane & 1) == 0)
  5076. gp_speed <<= 8;
  5077. gp_speed &= 0x3f00;
  5078. link_up = !!link_up;
  5079. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  5080. duplex);
  5081. /* In case of KR link down, start up the recovering procedure */
  5082. if ((!link_up) && (phy->media_type == ETH_PHY_KR) &&
  5083. (!(phy->flags & FLAGS_WC_DUAL_MODE)))
  5084. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  5085. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  5086. vars->duplex, vars->flow_ctrl, vars->link_status);
  5087. return rc;
  5088. }
  5089. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  5090. {
  5091. struct bnx2x *bp = params->bp;
  5092. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5093. u16 lp_up2;
  5094. u16 tx_driver;
  5095. u16 bank;
  5096. /* Read precomp */
  5097. CL22_RD_OVER_CL45(bp, phy,
  5098. MDIO_REG_BANK_OVER_1G,
  5099. MDIO_OVER_1G_LP_UP2, &lp_up2);
  5100. /* Bits [10:7] at lp_up2, positioned at [15:12] */
  5101. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  5102. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  5103. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  5104. if (lp_up2 == 0)
  5105. return;
  5106. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  5107. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  5108. CL22_RD_OVER_CL45(bp, phy,
  5109. bank,
  5110. MDIO_TX0_TX_DRIVER, &tx_driver);
  5111. /* Replace tx_driver bits [15:12] */
  5112. if (lp_up2 !=
  5113. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  5114. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  5115. tx_driver |= lp_up2;
  5116. CL22_WR_OVER_CL45(bp, phy,
  5117. bank,
  5118. MDIO_TX0_TX_DRIVER, tx_driver);
  5119. }
  5120. }
  5121. }
  5122. static int bnx2x_emac_program(struct link_params *params,
  5123. struct link_vars *vars)
  5124. {
  5125. struct bnx2x *bp = params->bp;
  5126. u8 port = params->port;
  5127. u16 mode = 0;
  5128. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  5129. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  5130. EMAC_REG_EMAC_MODE,
  5131. (EMAC_MODE_25G_MODE |
  5132. EMAC_MODE_PORT_MII_10M |
  5133. EMAC_MODE_HALF_DUPLEX));
  5134. switch (vars->line_speed) {
  5135. case SPEED_10:
  5136. mode |= EMAC_MODE_PORT_MII_10M;
  5137. break;
  5138. case SPEED_100:
  5139. mode |= EMAC_MODE_PORT_MII;
  5140. break;
  5141. case SPEED_1000:
  5142. mode |= EMAC_MODE_PORT_GMII;
  5143. break;
  5144. case SPEED_2500:
  5145. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  5146. break;
  5147. default:
  5148. /* 10G not valid for EMAC */
  5149. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  5150. vars->line_speed);
  5151. return -EINVAL;
  5152. }
  5153. if (vars->duplex == DUPLEX_HALF)
  5154. mode |= EMAC_MODE_HALF_DUPLEX;
  5155. bnx2x_bits_en(bp,
  5156. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  5157. mode);
  5158. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  5159. return 0;
  5160. }
  5161. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  5162. struct link_params *params)
  5163. {
  5164. u16 bank, i = 0;
  5165. struct bnx2x *bp = params->bp;
  5166. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  5167. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  5168. CL22_WR_OVER_CL45(bp, phy,
  5169. bank,
  5170. MDIO_RX0_RX_EQ_BOOST,
  5171. phy->rx_preemphasis[i]);
  5172. }
  5173. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  5174. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  5175. CL22_WR_OVER_CL45(bp, phy,
  5176. bank,
  5177. MDIO_TX0_TX_DRIVER,
  5178. phy->tx_preemphasis[i]);
  5179. }
  5180. }
  5181. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  5182. struct link_params *params,
  5183. struct link_vars *vars)
  5184. {
  5185. struct bnx2x *bp = params->bp;
  5186. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  5187. (params->loopback_mode == LOOPBACK_XGXS));
  5188. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  5189. if (SINGLE_MEDIA_DIRECT(params) &&
  5190. (params->feature_config_flags &
  5191. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  5192. bnx2x_set_preemphasis(phy, params);
  5193. /* Forced speed requested? */
  5194. if (vars->line_speed != SPEED_AUTO_NEG ||
  5195. (SINGLE_MEDIA_DIRECT(params) &&
  5196. params->loopback_mode == LOOPBACK_EXT)) {
  5197. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  5198. /* Disable autoneg */
  5199. bnx2x_set_autoneg(phy, params, vars, 0);
  5200. /* Program speed and duplex */
  5201. bnx2x_program_serdes(phy, params, vars);
  5202. } else { /* AN_mode */
  5203. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  5204. /* AN enabled */
  5205. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5206. /* Program duplex & pause advertisement (for aneg) */
  5207. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5208. vars->ieee_fc);
  5209. /* Enable autoneg */
  5210. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5211. /* Enable and restart AN */
  5212. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5213. }
  5214. } else { /* SGMII mode */
  5215. DP(NETIF_MSG_LINK, "SGMII\n");
  5216. bnx2x_initialize_sgmii_process(phy, params, vars);
  5217. }
  5218. }
  5219. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5220. struct link_params *params,
  5221. struct link_vars *vars)
  5222. {
  5223. int rc;
  5224. vars->phy_flags |= PHY_XGXS_FLAG;
  5225. if ((phy->req_line_speed &&
  5226. ((phy->req_line_speed == SPEED_100) ||
  5227. (phy->req_line_speed == SPEED_10))) ||
  5228. (!phy->req_line_speed &&
  5229. (phy->speed_cap_mask >=
  5230. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5231. (phy->speed_cap_mask <
  5232. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5233. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5234. vars->phy_flags |= PHY_SGMII_FLAG;
  5235. else
  5236. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5237. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5238. bnx2x_set_aer_mmd(params, phy);
  5239. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5240. bnx2x_set_master_ln(params, phy);
  5241. rc = bnx2x_reset_unicore(params, phy, 0);
  5242. /* Reset the SerDes and wait for reset bit return low */
  5243. if (rc)
  5244. return rc;
  5245. bnx2x_set_aer_mmd(params, phy);
  5246. /* Setting the masterLn_def again after the reset */
  5247. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5248. bnx2x_set_master_ln(params, phy);
  5249. bnx2x_set_swap_lanes(params, phy);
  5250. }
  5251. return rc;
  5252. }
  5253. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5254. struct bnx2x_phy *phy,
  5255. struct link_params *params)
  5256. {
  5257. u16 cnt, ctrl;
  5258. /* Wait for soft reset to get cleared up to 1 sec */
  5259. for (cnt = 0; cnt < 1000; cnt++) {
  5260. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5261. bnx2x_cl22_read(bp, phy,
  5262. MDIO_PMA_REG_CTRL, &ctrl);
  5263. else
  5264. bnx2x_cl45_read(bp, phy,
  5265. MDIO_PMA_DEVAD,
  5266. MDIO_PMA_REG_CTRL, &ctrl);
  5267. if (!(ctrl & (1<<15)))
  5268. break;
  5269. usleep_range(1000, 2000);
  5270. }
  5271. if (cnt == 1000)
  5272. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5273. " Port %d\n",
  5274. params->port);
  5275. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5276. return cnt;
  5277. }
  5278. static void bnx2x_link_int_enable(struct link_params *params)
  5279. {
  5280. u8 port = params->port;
  5281. u32 mask;
  5282. struct bnx2x *bp = params->bp;
  5283. /* Setting the status to report on link up for either XGXS or SerDes */
  5284. if (CHIP_IS_E3(bp)) {
  5285. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5286. if (!(SINGLE_MEDIA_DIRECT(params)))
  5287. mask |= NIG_MASK_MI_INT;
  5288. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5289. mask = (NIG_MASK_XGXS0_LINK10G |
  5290. NIG_MASK_XGXS0_LINK_STATUS);
  5291. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5292. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5293. params->phy[INT_PHY].type !=
  5294. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5295. mask |= NIG_MASK_MI_INT;
  5296. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5297. }
  5298. } else { /* SerDes */
  5299. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5300. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5301. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5302. params->phy[INT_PHY].type !=
  5303. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5304. mask |= NIG_MASK_MI_INT;
  5305. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5306. }
  5307. }
  5308. bnx2x_bits_en(bp,
  5309. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5310. mask);
  5311. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5312. (params->switch_cfg == SWITCH_CFG_10G),
  5313. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5314. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5315. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5316. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5317. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5318. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5319. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5320. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5321. }
  5322. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5323. u8 exp_mi_int)
  5324. {
  5325. u32 latch_status = 0;
  5326. /* Disable the MI INT ( external phy int ) by writing 1 to the
  5327. * status register. Link down indication is high-active-signal,
  5328. * so in this case we need to write the status to clear the XOR
  5329. */
  5330. /* Read Latched signals */
  5331. latch_status = REG_RD(bp,
  5332. NIG_REG_LATCH_STATUS_0 + port*8);
  5333. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5334. /* Handle only those with latched-signal=up.*/
  5335. if (exp_mi_int)
  5336. bnx2x_bits_en(bp,
  5337. NIG_REG_STATUS_INTERRUPT_PORT0
  5338. + port*4,
  5339. NIG_STATUS_EMAC0_MI_INT);
  5340. else
  5341. bnx2x_bits_dis(bp,
  5342. NIG_REG_STATUS_INTERRUPT_PORT0
  5343. + port*4,
  5344. NIG_STATUS_EMAC0_MI_INT);
  5345. if (latch_status & 1) {
  5346. /* For all latched-signal=up : Re-Arm Latch signals */
  5347. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5348. (latch_status & 0xfffe) | (latch_status & 1));
  5349. }
  5350. /* For all latched-signal=up,Write original_signal to status */
  5351. }
  5352. static void bnx2x_link_int_ack(struct link_params *params,
  5353. struct link_vars *vars, u8 is_10g_plus)
  5354. {
  5355. struct bnx2x *bp = params->bp;
  5356. u8 port = params->port;
  5357. u32 mask;
  5358. /* First reset all status we assume only one line will be
  5359. * change at a time
  5360. */
  5361. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5362. (NIG_STATUS_XGXS0_LINK10G |
  5363. NIG_STATUS_XGXS0_LINK_STATUS |
  5364. NIG_STATUS_SERDES0_LINK_STATUS));
  5365. if (vars->phy_link_up) {
  5366. if (USES_WARPCORE(bp))
  5367. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5368. else {
  5369. if (is_10g_plus)
  5370. mask = NIG_STATUS_XGXS0_LINK10G;
  5371. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5372. /* Disable the link interrupt by writing 1 to
  5373. * the relevant lane in the status register
  5374. */
  5375. u32 ser_lane =
  5376. ((params->lane_config &
  5377. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5378. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5379. mask = ((1 << ser_lane) <<
  5380. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5381. } else
  5382. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5383. }
  5384. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5385. mask);
  5386. bnx2x_bits_en(bp,
  5387. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5388. mask);
  5389. }
  5390. }
  5391. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5392. {
  5393. str[0] = '\0';
  5394. (*len)--;
  5395. return 0;
  5396. }
  5397. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5398. {
  5399. u16 ret;
  5400. if (*len < 10) {
  5401. /* Need more than 10chars for this format */
  5402. bnx2x_null_format_ver(num, str, len);
  5403. return -EINVAL;
  5404. }
  5405. ret = scnprintf(str, *len, "%hx.%hx", num >> 16, num);
  5406. *len -= ret;
  5407. return 0;
  5408. }
  5409. static int bnx2x_3_seq_format_ver(u32 num, u8 *str, u16 *len)
  5410. {
  5411. u16 ret;
  5412. if (*len < 10) {
  5413. /* Need more than 10chars for this format */
  5414. bnx2x_null_format_ver(num, str, len);
  5415. return -EINVAL;
  5416. }
  5417. ret = scnprintf(str, *len, "%hhx.%hhx.%hhx", num >> 16, num >> 8, num);
  5418. *len -= ret;
  5419. return 0;
  5420. }
  5421. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
  5422. u16 len)
  5423. {
  5424. struct bnx2x *bp;
  5425. u32 spirom_ver = 0;
  5426. int status = 0;
  5427. u8 *ver_p = version;
  5428. u16 remain_len = len;
  5429. if (version == NULL || params == NULL)
  5430. return -EINVAL;
  5431. bp = params->bp;
  5432. /* Extract first external phy*/
  5433. version[0] = '\0';
  5434. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5435. if (params->phy[EXT_PHY1].format_fw_ver) {
  5436. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5437. ver_p,
  5438. &remain_len);
  5439. ver_p += (len - remain_len);
  5440. }
  5441. if ((params->num_phys == MAX_PHYS) &&
  5442. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5443. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5444. if (params->phy[EXT_PHY2].format_fw_ver) {
  5445. *ver_p = '/';
  5446. ver_p++;
  5447. remain_len--;
  5448. status |= params->phy[EXT_PHY2].format_fw_ver(
  5449. spirom_ver,
  5450. ver_p,
  5451. &remain_len);
  5452. ver_p = version + (len - remain_len);
  5453. }
  5454. }
  5455. *ver_p = '\0';
  5456. return status;
  5457. }
  5458. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5459. struct link_params *params)
  5460. {
  5461. u8 port = params->port;
  5462. struct bnx2x *bp = params->bp;
  5463. if (phy->req_line_speed != SPEED_1000) {
  5464. u32 md_devad = 0;
  5465. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5466. if (!CHIP_IS_E3(bp)) {
  5467. /* Change the uni_phy_addr in the nig */
  5468. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5469. port*0x18));
  5470. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5471. 0x5);
  5472. }
  5473. bnx2x_cl45_write(bp, phy,
  5474. 5,
  5475. (MDIO_REG_BANK_AER_BLOCK +
  5476. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5477. 0x2800);
  5478. bnx2x_cl45_write(bp, phy,
  5479. 5,
  5480. (MDIO_REG_BANK_CL73_IEEEB0 +
  5481. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5482. 0x6041);
  5483. msleep(200);
  5484. /* Set aer mmd back */
  5485. bnx2x_set_aer_mmd(params, phy);
  5486. if (!CHIP_IS_E3(bp)) {
  5487. /* And md_devad */
  5488. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5489. md_devad);
  5490. }
  5491. } else {
  5492. u16 mii_ctrl;
  5493. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5494. bnx2x_cl45_read(bp, phy, 5,
  5495. (MDIO_REG_BANK_COMBO_IEEE0 +
  5496. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5497. &mii_ctrl);
  5498. bnx2x_cl45_write(bp, phy, 5,
  5499. (MDIO_REG_BANK_COMBO_IEEE0 +
  5500. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5501. mii_ctrl |
  5502. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5503. }
  5504. }
  5505. int bnx2x_set_led(struct link_params *params,
  5506. struct link_vars *vars, u8 mode, u32 speed)
  5507. {
  5508. u8 port = params->port;
  5509. u16 hw_led_mode = params->hw_led_mode;
  5510. int rc = 0;
  5511. u8 phy_idx;
  5512. u32 tmp;
  5513. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5514. struct bnx2x *bp = params->bp;
  5515. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5516. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5517. speed, hw_led_mode);
  5518. /* In case */
  5519. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5520. if (params->phy[phy_idx].set_link_led) {
  5521. params->phy[phy_idx].set_link_led(
  5522. &params->phy[phy_idx], params, mode);
  5523. }
  5524. }
  5525. switch (mode) {
  5526. case LED_MODE_FRONT_PANEL_OFF:
  5527. case LED_MODE_OFF:
  5528. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5529. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5530. SHARED_HW_CFG_LED_MAC1);
  5531. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5532. if (params->phy[EXT_PHY1].type ==
  5533. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5534. tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
  5535. EMAC_LED_100MB_OVERRIDE |
  5536. EMAC_LED_10MB_OVERRIDE);
  5537. else
  5538. tmp |= EMAC_LED_OVERRIDE;
  5539. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
  5540. break;
  5541. case LED_MODE_OPER:
  5542. /* For all other phys, OPER mode is same as ON, so in case
  5543. * link is down, do nothing
  5544. */
  5545. if (!vars->link_up)
  5546. break;
  5547. case LED_MODE_ON:
  5548. if (((params->phy[EXT_PHY1].type ==
  5549. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5550. (params->phy[EXT_PHY1].type ==
  5551. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5552. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5553. /* This is a work-around for E2+8727 Configurations */
  5554. if (mode == LED_MODE_ON ||
  5555. speed == SPEED_10000){
  5556. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5557. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5558. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5559. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5560. (tmp | EMAC_LED_OVERRIDE));
  5561. /* Return here without enabling traffic
  5562. * LED blink and setting rate in ON mode.
  5563. * In oper mode, enabling LED blink
  5564. * and setting rate is needed.
  5565. */
  5566. if (mode == LED_MODE_ON)
  5567. return rc;
  5568. }
  5569. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5570. /* This is a work-around for HW issue found when link
  5571. * is up in CL73
  5572. */
  5573. if ((!CHIP_IS_E3(bp)) ||
  5574. (CHIP_IS_E3(bp) &&
  5575. mode == LED_MODE_ON))
  5576. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5577. if (CHIP_IS_E1x(bp) ||
  5578. CHIP_IS_E2(bp) ||
  5579. (mode == LED_MODE_ON))
  5580. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5581. else
  5582. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5583. hw_led_mode);
  5584. } else if ((params->phy[EXT_PHY1].type ==
  5585. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5586. (mode == LED_MODE_ON)) {
  5587. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5588. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5589. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
  5590. EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
  5591. /* Break here; otherwise, it'll disable the
  5592. * intended override.
  5593. */
  5594. break;
  5595. } else {
  5596. u32 nig_led_mode = ((params->hw_led_mode <<
  5597. SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5598. SHARED_HW_CFG_LED_EXTPHY2) ?
  5599. (SHARED_HW_CFG_LED_PHY1 >>
  5600. SHARED_HW_CFG_LED_MODE_SHIFT) : hw_led_mode;
  5601. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5602. nig_led_mode);
  5603. }
  5604. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5605. /* Set blinking rate to ~15.9Hz */
  5606. if (CHIP_IS_E3(bp))
  5607. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5608. LED_BLINK_RATE_VAL_E3);
  5609. else
  5610. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5611. LED_BLINK_RATE_VAL_E1X_E2);
  5612. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5613. port*4, 1);
  5614. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5615. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5616. (tmp & (~EMAC_LED_OVERRIDE)));
  5617. if (CHIP_IS_E1(bp) &&
  5618. ((speed == SPEED_2500) ||
  5619. (speed == SPEED_1000) ||
  5620. (speed == SPEED_100) ||
  5621. (speed == SPEED_10))) {
  5622. /* For speeds less than 10G LED scheme is different */
  5623. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5624. + port*4, 1);
  5625. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5626. port*4, 0);
  5627. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5628. port*4, 1);
  5629. }
  5630. break;
  5631. default:
  5632. rc = -EINVAL;
  5633. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5634. mode);
  5635. break;
  5636. }
  5637. return rc;
  5638. }
  5639. /* This function comes to reflect the actual link state read DIRECTLY from the
  5640. * HW
  5641. */
  5642. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5643. u8 is_serdes)
  5644. {
  5645. struct bnx2x *bp = params->bp;
  5646. u16 gp_status = 0, phy_index = 0;
  5647. u8 ext_phy_link_up = 0, serdes_phy_type;
  5648. struct link_vars temp_vars;
  5649. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5650. if (CHIP_IS_E3(bp)) {
  5651. u16 link_up;
  5652. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5653. > SPEED_10000) {
  5654. /* Check 20G link */
  5655. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5656. 1, &link_up);
  5657. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5658. 1, &link_up);
  5659. link_up &= (1<<2);
  5660. } else {
  5661. /* Check 10G link and below*/
  5662. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5663. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5664. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5665. &gp_status);
  5666. gp_status = ((gp_status >> 8) & 0xf) |
  5667. ((gp_status >> 12) & 0xf);
  5668. link_up = gp_status & (1 << lane);
  5669. }
  5670. if (!link_up)
  5671. return -ESRCH;
  5672. } else {
  5673. CL22_RD_OVER_CL45(bp, int_phy,
  5674. MDIO_REG_BANK_GP_STATUS,
  5675. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5676. &gp_status);
  5677. /* Link is up only if both local phy and external phy are up */
  5678. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5679. return -ESRCH;
  5680. }
  5681. /* In XGXS loopback mode, do not check external PHY */
  5682. if (params->loopback_mode == LOOPBACK_XGXS)
  5683. return 0;
  5684. switch (params->num_phys) {
  5685. case 1:
  5686. /* No external PHY */
  5687. return 0;
  5688. case 2:
  5689. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5690. &params->phy[EXT_PHY1],
  5691. params, &temp_vars);
  5692. break;
  5693. case 3: /* Dual Media */
  5694. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5695. phy_index++) {
  5696. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5697. ETH_PHY_SFPP_10G_FIBER) ||
  5698. (params->phy[phy_index].media_type ==
  5699. ETH_PHY_SFP_1G_FIBER) ||
  5700. (params->phy[phy_index].media_type ==
  5701. ETH_PHY_XFP_FIBER) ||
  5702. (params->phy[phy_index].media_type ==
  5703. ETH_PHY_DA_TWINAX));
  5704. if (is_serdes != serdes_phy_type)
  5705. continue;
  5706. if (params->phy[phy_index].read_status) {
  5707. ext_phy_link_up |=
  5708. params->phy[phy_index].read_status(
  5709. &params->phy[phy_index],
  5710. params, &temp_vars);
  5711. }
  5712. }
  5713. break;
  5714. }
  5715. if (ext_phy_link_up)
  5716. return 0;
  5717. return -ESRCH;
  5718. }
  5719. static int bnx2x_link_initialize(struct link_params *params,
  5720. struct link_vars *vars)
  5721. {
  5722. u8 phy_index, non_ext_phy;
  5723. struct bnx2x *bp = params->bp;
  5724. /* In case of external phy existence, the line speed would be the
  5725. * line speed linked up by the external phy. In case it is direct
  5726. * only, then the line_speed during initialization will be
  5727. * equal to the req_line_speed
  5728. */
  5729. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5730. /* Initialize the internal phy in case this is a direct board
  5731. * (no external phys), or this board has external phy which requires
  5732. * to first.
  5733. */
  5734. if (!USES_WARPCORE(bp))
  5735. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5736. /* init ext phy and enable link state int */
  5737. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5738. (params->loopback_mode == LOOPBACK_XGXS));
  5739. if (non_ext_phy ||
  5740. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5741. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5742. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5743. if (vars->line_speed == SPEED_AUTO_NEG &&
  5744. (CHIP_IS_E1x(bp) ||
  5745. CHIP_IS_E2(bp)))
  5746. bnx2x_set_parallel_detection(phy, params);
  5747. if (params->phy[INT_PHY].config_init)
  5748. params->phy[INT_PHY].config_init(phy, params, vars);
  5749. }
  5750. /* Re-read this value in case it was changed inside config_init due to
  5751. * limitations of optic module
  5752. */
  5753. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5754. /* Init external phy*/
  5755. if (non_ext_phy) {
  5756. if (params->phy[INT_PHY].supported &
  5757. SUPPORTED_FIBRE)
  5758. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5759. } else {
  5760. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5761. phy_index++) {
  5762. /* No need to initialize second phy in case of first
  5763. * phy only selection. In case of second phy, we do
  5764. * need to initialize the first phy, since they are
  5765. * connected.
  5766. */
  5767. if (params->phy[phy_index].supported &
  5768. SUPPORTED_FIBRE)
  5769. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5770. if (phy_index == EXT_PHY2 &&
  5771. (bnx2x_phy_selection(params) ==
  5772. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5773. DP(NETIF_MSG_LINK,
  5774. "Not initializing second phy\n");
  5775. continue;
  5776. }
  5777. params->phy[phy_index].config_init(
  5778. &params->phy[phy_index],
  5779. params, vars);
  5780. }
  5781. }
  5782. /* Reset the interrupt indication after phy was initialized */
  5783. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5784. params->port*4,
  5785. (NIG_STATUS_XGXS0_LINK10G |
  5786. NIG_STATUS_XGXS0_LINK_STATUS |
  5787. NIG_STATUS_SERDES0_LINK_STATUS |
  5788. NIG_MASK_MI_INT));
  5789. return 0;
  5790. }
  5791. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5792. struct link_params *params)
  5793. {
  5794. /* Reset the SerDes/XGXS */
  5795. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5796. (0x1ff << (params->port*16)));
  5797. }
  5798. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5799. struct link_params *params)
  5800. {
  5801. struct bnx2x *bp = params->bp;
  5802. u8 gpio_port;
  5803. /* HW reset */
  5804. if (CHIP_IS_E2(bp))
  5805. gpio_port = BP_PATH(bp);
  5806. else
  5807. gpio_port = params->port;
  5808. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5809. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5810. gpio_port);
  5811. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5812. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5813. gpio_port);
  5814. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5815. }
  5816. static int bnx2x_update_link_down(struct link_params *params,
  5817. struct link_vars *vars)
  5818. {
  5819. struct bnx2x *bp = params->bp;
  5820. u8 port = params->port;
  5821. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5822. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5823. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5824. /* Indicate no mac active */
  5825. vars->mac_type = MAC_TYPE_NONE;
  5826. /* Update shared memory */
  5827. vars->link_status &= ~LINK_UPDATE_MASK;
  5828. vars->line_speed = 0;
  5829. bnx2x_update_mng(params, vars->link_status);
  5830. /* Activate nig drain */
  5831. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5832. /* Disable emac */
  5833. if (!CHIP_IS_E3(bp))
  5834. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5835. usleep_range(10000, 20000);
  5836. /* Reset BigMac/Xmac */
  5837. if (CHIP_IS_E1x(bp) ||
  5838. CHIP_IS_E2(bp))
  5839. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  5840. if (CHIP_IS_E3(bp)) {
  5841. /* Prevent LPI Generation by chip */
  5842. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
  5843. 0);
  5844. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
  5845. 0);
  5846. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  5847. SHMEM_EEE_ACTIVE_BIT);
  5848. bnx2x_update_mng_eee(params, vars->eee_status);
  5849. bnx2x_set_xmac_rxtx(params, 0);
  5850. bnx2x_set_umac_rxtx(params, 0);
  5851. }
  5852. return 0;
  5853. }
  5854. static int bnx2x_update_link_up(struct link_params *params,
  5855. struct link_vars *vars,
  5856. u8 link_10g)
  5857. {
  5858. struct bnx2x *bp = params->bp;
  5859. u8 phy_idx, port = params->port;
  5860. int rc = 0;
  5861. vars->link_status |= (LINK_STATUS_LINK_UP |
  5862. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5863. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5864. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5865. vars->link_status |=
  5866. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5867. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5868. vars->link_status |=
  5869. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5870. if (USES_WARPCORE(bp)) {
  5871. if (link_10g) {
  5872. if (bnx2x_xmac_enable(params, vars, 0) ==
  5873. -ESRCH) {
  5874. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5875. vars->link_up = 0;
  5876. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5877. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5878. }
  5879. } else
  5880. bnx2x_umac_enable(params, vars, 0);
  5881. bnx2x_set_led(params, vars,
  5882. LED_MODE_OPER, vars->line_speed);
  5883. if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
  5884. (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
  5885. DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
  5886. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
  5887. (params->port << 2), 1);
  5888. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
  5889. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
  5890. (params->port << 2), 0xfc20);
  5891. }
  5892. }
  5893. if ((CHIP_IS_E1x(bp) ||
  5894. CHIP_IS_E2(bp))) {
  5895. if (link_10g) {
  5896. if (bnx2x_bmac_enable(params, vars, 0, 1) ==
  5897. -ESRCH) {
  5898. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5899. vars->link_up = 0;
  5900. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5901. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5902. }
  5903. bnx2x_set_led(params, vars,
  5904. LED_MODE_OPER, SPEED_10000);
  5905. } else {
  5906. rc = bnx2x_emac_program(params, vars);
  5907. bnx2x_emac_enable(params, vars, 0);
  5908. /* AN complete? */
  5909. if ((vars->link_status &
  5910. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5911. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5912. SINGLE_MEDIA_DIRECT(params))
  5913. bnx2x_set_gmii_tx_driver(params);
  5914. }
  5915. }
  5916. /* PBF - link up */
  5917. if (CHIP_IS_E1x(bp))
  5918. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5919. vars->line_speed);
  5920. /* Disable drain */
  5921. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5922. /* Update shared memory */
  5923. bnx2x_update_mng(params, vars->link_status);
  5924. bnx2x_update_mng_eee(params, vars->eee_status);
  5925. /* Check remote fault */
  5926. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  5927. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  5928. bnx2x_check_half_open_conn(params, vars, 0);
  5929. break;
  5930. }
  5931. }
  5932. msleep(20);
  5933. return rc;
  5934. }
  5935. static void bnx2x_chng_link_count(struct link_params *params, bool clear)
  5936. {
  5937. struct bnx2x *bp = params->bp;
  5938. u32 addr, val;
  5939. /* Verify the link_change_count is supported by the MFW */
  5940. if (!(SHMEM2_HAS(bp, link_change_count)))
  5941. return;
  5942. addr = params->shmem2_base +
  5943. offsetof(struct shmem2_region, link_change_count[params->port]);
  5944. if (clear)
  5945. val = 0;
  5946. else
  5947. val = REG_RD(bp, addr) + 1;
  5948. REG_WR(bp, addr, val);
  5949. }
  5950. /* The bnx2x_link_update function should be called upon link
  5951. * interrupt.
  5952. * Link is considered up as follows:
  5953. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5954. * to be up
  5955. * - SINGLE_MEDIA - The link between the 577xx and the external
  5956. * phy (XGXS) need to up as well as the external link of the
  5957. * phy (PHY_EXT1)
  5958. * - DUAL_MEDIA - The link between the 577xx and the first
  5959. * external phy needs to be up, and at least one of the 2
  5960. * external phy link must be up.
  5961. */
  5962. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5963. {
  5964. struct bnx2x *bp = params->bp;
  5965. struct link_vars phy_vars[MAX_PHYS];
  5966. u8 port = params->port;
  5967. u8 link_10g_plus, phy_index;
  5968. u32 prev_link_status = vars->link_status;
  5969. u8 ext_phy_link_up = 0, cur_link_up;
  5970. int rc = 0;
  5971. u8 is_mi_int = 0;
  5972. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5973. u8 active_external_phy = INT_PHY;
  5974. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5975. vars->link_status &= ~LINK_UPDATE_MASK;
  5976. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5977. phy_index++) {
  5978. phy_vars[phy_index].flow_ctrl = 0;
  5979. phy_vars[phy_index].link_status = 0;
  5980. phy_vars[phy_index].line_speed = 0;
  5981. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5982. phy_vars[phy_index].phy_link_up = 0;
  5983. phy_vars[phy_index].link_up = 0;
  5984. phy_vars[phy_index].fault_detected = 0;
  5985. /* different consideration, since vars holds inner state */
  5986. phy_vars[phy_index].eee_status = vars->eee_status;
  5987. }
  5988. if (USES_WARPCORE(bp))
  5989. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5990. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5991. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5992. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5993. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5994. port*0x18) > 0);
  5995. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5996. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5997. is_mi_int,
  5998. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5999. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  6000. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  6001. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  6002. /* Disable emac */
  6003. if (!CHIP_IS_E3(bp))
  6004. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  6005. /* Step 1:
  6006. * Check external link change only for external phys, and apply
  6007. * priority selection between them in case the link on both phys
  6008. * is up. Note that instead of the common vars, a temporary
  6009. * vars argument is used since each phy may have different link/
  6010. * speed/duplex result
  6011. */
  6012. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  6013. phy_index++) {
  6014. struct bnx2x_phy *phy = &params->phy[phy_index];
  6015. if (!phy->read_status)
  6016. continue;
  6017. /* Read link status and params of this ext phy */
  6018. cur_link_up = phy->read_status(phy, params,
  6019. &phy_vars[phy_index]);
  6020. if (cur_link_up) {
  6021. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  6022. phy_index);
  6023. } else {
  6024. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  6025. phy_index);
  6026. continue;
  6027. }
  6028. if (!ext_phy_link_up) {
  6029. ext_phy_link_up = 1;
  6030. active_external_phy = phy_index;
  6031. } else {
  6032. switch (bnx2x_phy_selection(params)) {
  6033. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  6034. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  6035. /* In this option, the first PHY makes sure to pass the
  6036. * traffic through itself only.
  6037. * Its not clear how to reset the link on the second phy
  6038. */
  6039. active_external_phy = EXT_PHY1;
  6040. break;
  6041. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  6042. /* In this option, the first PHY makes sure to pass the
  6043. * traffic through the second PHY.
  6044. */
  6045. active_external_phy = EXT_PHY2;
  6046. break;
  6047. default:
  6048. /* Link indication on both PHYs with the following cases
  6049. * is invalid:
  6050. * - FIRST_PHY means that second phy wasn't initialized,
  6051. * hence its link is expected to be down
  6052. * - SECOND_PHY means that first phy should not be able
  6053. * to link up by itself (using configuration)
  6054. * - DEFAULT should be overridden during initialization
  6055. */
  6056. DP(NETIF_MSG_LINK, "Invalid link indication"
  6057. "mpc=0x%x. DISABLING LINK !!!\n",
  6058. params->multi_phy_config);
  6059. ext_phy_link_up = 0;
  6060. break;
  6061. }
  6062. }
  6063. }
  6064. prev_line_speed = vars->line_speed;
  6065. /* Step 2:
  6066. * Read the status of the internal phy. In case of
  6067. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  6068. * otherwise this is the link between the 577xx and the first
  6069. * external phy
  6070. */
  6071. if (params->phy[INT_PHY].read_status)
  6072. params->phy[INT_PHY].read_status(
  6073. &params->phy[INT_PHY],
  6074. params, vars);
  6075. /* The INT_PHY flow control reside in the vars. This include the
  6076. * case where the speed or flow control are not set to AUTO.
  6077. * Otherwise, the active external phy flow control result is set
  6078. * to the vars. The ext_phy_line_speed is needed to check if the
  6079. * speed is different between the internal phy and external phy.
  6080. * This case may be result of intermediate link speed change.
  6081. */
  6082. if (active_external_phy > INT_PHY) {
  6083. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  6084. /* Link speed is taken from the XGXS. AN and FC result from
  6085. * the external phy.
  6086. */
  6087. vars->link_status |= phy_vars[active_external_phy].link_status;
  6088. /* if active_external_phy is first PHY and link is up - disable
  6089. * disable TX on second external PHY
  6090. */
  6091. if (active_external_phy == EXT_PHY1) {
  6092. if (params->phy[EXT_PHY2].phy_specific_func) {
  6093. DP(NETIF_MSG_LINK,
  6094. "Disabling TX on EXT_PHY2\n");
  6095. params->phy[EXT_PHY2].phy_specific_func(
  6096. &params->phy[EXT_PHY2],
  6097. params, DISABLE_TX);
  6098. }
  6099. }
  6100. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  6101. vars->duplex = phy_vars[active_external_phy].duplex;
  6102. if (params->phy[active_external_phy].supported &
  6103. SUPPORTED_FIBRE)
  6104. vars->link_status |= LINK_STATUS_SERDES_LINK;
  6105. else
  6106. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  6107. vars->eee_status = phy_vars[active_external_phy].eee_status;
  6108. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  6109. active_external_phy);
  6110. }
  6111. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  6112. phy_index++) {
  6113. if (params->phy[phy_index].flags &
  6114. FLAGS_REARM_LATCH_SIGNAL) {
  6115. bnx2x_rearm_latch_signal(bp, port,
  6116. phy_index ==
  6117. active_external_phy);
  6118. break;
  6119. }
  6120. }
  6121. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  6122. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  6123. vars->link_status, ext_phy_line_speed);
  6124. /* Upon link speed change set the NIG into drain mode. Comes to
  6125. * deals with possible FIFO glitch due to clk change when speed
  6126. * is decreased without link down indicator
  6127. */
  6128. if (vars->phy_link_up) {
  6129. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  6130. (ext_phy_line_speed != vars->line_speed)) {
  6131. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  6132. " different than the external"
  6133. " link speed %d\n", vars->line_speed,
  6134. ext_phy_line_speed);
  6135. vars->phy_link_up = 0;
  6136. } else if (prev_line_speed != vars->line_speed) {
  6137. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  6138. 0);
  6139. usleep_range(1000, 2000);
  6140. }
  6141. }
  6142. /* Anything 10 and over uses the bmac */
  6143. link_10g_plus = (vars->line_speed >= SPEED_10000);
  6144. bnx2x_link_int_ack(params, vars, link_10g_plus);
  6145. /* In case external phy link is up, and internal link is down
  6146. * (not initialized yet probably after link initialization, it
  6147. * needs to be initialized.
  6148. * Note that after link down-up as result of cable plug, the xgxs
  6149. * link would probably become up again without the need
  6150. * initialize it
  6151. */
  6152. if (!(SINGLE_MEDIA_DIRECT(params))) {
  6153. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  6154. " init_preceding = %d\n", ext_phy_link_up,
  6155. vars->phy_link_up,
  6156. params->phy[EXT_PHY1].flags &
  6157. FLAGS_INIT_XGXS_FIRST);
  6158. if (!(params->phy[EXT_PHY1].flags &
  6159. FLAGS_INIT_XGXS_FIRST)
  6160. && ext_phy_link_up && !vars->phy_link_up) {
  6161. vars->line_speed = ext_phy_line_speed;
  6162. if (vars->line_speed < SPEED_1000)
  6163. vars->phy_flags |= PHY_SGMII_FLAG;
  6164. else
  6165. vars->phy_flags &= ~PHY_SGMII_FLAG;
  6166. if (params->phy[INT_PHY].config_init)
  6167. params->phy[INT_PHY].config_init(
  6168. &params->phy[INT_PHY], params,
  6169. vars);
  6170. }
  6171. }
  6172. /* Link is up only if both local phy and external phy (in case of
  6173. * non-direct board) are up and no fault detected on active PHY.
  6174. */
  6175. vars->link_up = (vars->phy_link_up &&
  6176. (ext_phy_link_up ||
  6177. SINGLE_MEDIA_DIRECT(params)) &&
  6178. (phy_vars[active_external_phy].fault_detected == 0));
  6179. /* Update the PFC configuration in case it was changed */
  6180. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  6181. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  6182. else
  6183. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  6184. if (vars->link_up)
  6185. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  6186. else
  6187. rc = bnx2x_update_link_down(params, vars);
  6188. if ((prev_link_status ^ vars->link_status) & LINK_STATUS_LINK_UP)
  6189. bnx2x_chng_link_count(params, false);
  6190. /* Update MCP link status was changed */
  6191. if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
  6192. bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
  6193. return rc;
  6194. }
  6195. /*****************************************************************************/
  6196. /* External Phy section */
  6197. /*****************************************************************************/
  6198. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  6199. {
  6200. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6201. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  6202. usleep_range(1000, 2000);
  6203. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6204. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  6205. }
  6206. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  6207. u32 spirom_ver, u32 ver_addr)
  6208. {
  6209. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  6210. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  6211. if (ver_addr)
  6212. REG_WR(bp, ver_addr, spirom_ver);
  6213. }
  6214. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  6215. struct bnx2x_phy *phy,
  6216. u8 port)
  6217. {
  6218. u16 fw_ver1, fw_ver2;
  6219. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6220. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6221. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6222. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6223. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6224. phy->ver_addr);
  6225. }
  6226. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6227. struct bnx2x_phy *phy,
  6228. struct link_vars *vars)
  6229. {
  6230. u16 val;
  6231. bnx2x_cl45_read(bp, phy,
  6232. MDIO_AN_DEVAD,
  6233. MDIO_AN_REG_STATUS, &val);
  6234. bnx2x_cl45_read(bp, phy,
  6235. MDIO_AN_DEVAD,
  6236. MDIO_AN_REG_STATUS, &val);
  6237. if (val & (1<<5))
  6238. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6239. if ((val & (1<<0)) == 0)
  6240. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6241. }
  6242. /******************************************************************/
  6243. /* common BCM8073/BCM8727 PHY SECTION */
  6244. /******************************************************************/
  6245. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6246. struct link_params *params,
  6247. struct link_vars *vars)
  6248. {
  6249. struct bnx2x *bp = params->bp;
  6250. if (phy->req_line_speed == SPEED_10 ||
  6251. phy->req_line_speed == SPEED_100) {
  6252. vars->flow_ctrl = phy->req_flow_ctrl;
  6253. return;
  6254. }
  6255. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6256. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6257. u16 pause_result;
  6258. u16 ld_pause; /* local */
  6259. u16 lp_pause; /* link partner */
  6260. bnx2x_cl45_read(bp, phy,
  6261. MDIO_AN_DEVAD,
  6262. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6263. bnx2x_cl45_read(bp, phy,
  6264. MDIO_AN_DEVAD,
  6265. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6266. pause_result = (ld_pause &
  6267. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6268. pause_result |= (lp_pause &
  6269. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6270. bnx2x_pause_resolve(phy, params, vars, pause_result);
  6271. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6272. pause_result);
  6273. }
  6274. }
  6275. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6276. struct bnx2x_phy *phy,
  6277. u8 port)
  6278. {
  6279. u32 count = 0;
  6280. u16 fw_ver1, fw_msgout;
  6281. int rc = 0;
  6282. /* Boot port from external ROM */
  6283. /* EDC grst */
  6284. bnx2x_cl45_write(bp, phy,
  6285. MDIO_PMA_DEVAD,
  6286. MDIO_PMA_REG_GEN_CTRL,
  6287. 0x0001);
  6288. /* Ucode reboot and rst */
  6289. bnx2x_cl45_write(bp, phy,
  6290. MDIO_PMA_DEVAD,
  6291. MDIO_PMA_REG_GEN_CTRL,
  6292. 0x008c);
  6293. bnx2x_cl45_write(bp, phy,
  6294. MDIO_PMA_DEVAD,
  6295. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6296. /* Reset internal microprocessor */
  6297. bnx2x_cl45_write(bp, phy,
  6298. MDIO_PMA_DEVAD,
  6299. MDIO_PMA_REG_GEN_CTRL,
  6300. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6301. /* Release srst bit */
  6302. bnx2x_cl45_write(bp, phy,
  6303. MDIO_PMA_DEVAD,
  6304. MDIO_PMA_REG_GEN_CTRL,
  6305. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6306. /* Delay 100ms per the PHY specifications */
  6307. msleep(100);
  6308. /* 8073 sometimes taking longer to download */
  6309. do {
  6310. count++;
  6311. if (count > 300) {
  6312. DP(NETIF_MSG_LINK,
  6313. "bnx2x_8073_8727_external_rom_boot port %x:"
  6314. "Download failed. fw version = 0x%x\n",
  6315. port, fw_ver1);
  6316. rc = -EINVAL;
  6317. break;
  6318. }
  6319. bnx2x_cl45_read(bp, phy,
  6320. MDIO_PMA_DEVAD,
  6321. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6322. bnx2x_cl45_read(bp, phy,
  6323. MDIO_PMA_DEVAD,
  6324. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6325. usleep_range(1000, 2000);
  6326. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6327. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6328. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6329. /* Clear ser_boot_ctl bit */
  6330. bnx2x_cl45_write(bp, phy,
  6331. MDIO_PMA_DEVAD,
  6332. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6333. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6334. DP(NETIF_MSG_LINK,
  6335. "bnx2x_8073_8727_external_rom_boot port %x:"
  6336. "Download complete. fw version = 0x%x\n",
  6337. port, fw_ver1);
  6338. return rc;
  6339. }
  6340. /******************************************************************/
  6341. /* BCM8073 PHY SECTION */
  6342. /******************************************************************/
  6343. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6344. {
  6345. /* This is only required for 8073A1, version 102 only */
  6346. u16 val;
  6347. /* Read 8073 HW revision*/
  6348. bnx2x_cl45_read(bp, phy,
  6349. MDIO_PMA_DEVAD,
  6350. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6351. if (val != 1) {
  6352. /* No need to workaround in 8073 A1 */
  6353. return 0;
  6354. }
  6355. bnx2x_cl45_read(bp, phy,
  6356. MDIO_PMA_DEVAD,
  6357. MDIO_PMA_REG_ROM_VER2, &val);
  6358. /* SNR should be applied only for version 0x102 */
  6359. if (val != 0x102)
  6360. return 0;
  6361. return 1;
  6362. }
  6363. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6364. {
  6365. u16 val, cnt, cnt1 ;
  6366. bnx2x_cl45_read(bp, phy,
  6367. MDIO_PMA_DEVAD,
  6368. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6369. if (val > 0) {
  6370. /* No need to workaround in 8073 A1 */
  6371. return 0;
  6372. }
  6373. /* XAUI workaround in 8073 A0: */
  6374. /* After loading the boot ROM and restarting Autoneg, poll
  6375. * Dev1, Reg $C820:
  6376. */
  6377. for (cnt = 0; cnt < 1000; cnt++) {
  6378. bnx2x_cl45_read(bp, phy,
  6379. MDIO_PMA_DEVAD,
  6380. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6381. &val);
  6382. /* If bit [14] = 0 or bit [13] = 0, continue on with
  6383. * system initialization (XAUI work-around not required, as
  6384. * these bits indicate 2.5G or 1G link up).
  6385. */
  6386. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6387. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6388. return 0;
  6389. } else if (!(val & (1<<15))) {
  6390. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6391. /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6392. * MSB (bit15) goes to 1 (indicating that the XAUI
  6393. * workaround has completed), then continue on with
  6394. * system initialization.
  6395. */
  6396. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6397. bnx2x_cl45_read(bp, phy,
  6398. MDIO_PMA_DEVAD,
  6399. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6400. if (val & (1<<15)) {
  6401. DP(NETIF_MSG_LINK,
  6402. "XAUI workaround has completed\n");
  6403. return 0;
  6404. }
  6405. usleep_range(3000, 6000);
  6406. }
  6407. break;
  6408. }
  6409. usleep_range(3000, 6000);
  6410. }
  6411. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6412. return -EINVAL;
  6413. }
  6414. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6415. {
  6416. /* Force KR or KX */
  6417. bnx2x_cl45_write(bp, phy,
  6418. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6419. bnx2x_cl45_write(bp, phy,
  6420. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6421. bnx2x_cl45_write(bp, phy,
  6422. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6423. bnx2x_cl45_write(bp, phy,
  6424. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6425. }
  6426. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6427. struct bnx2x_phy *phy,
  6428. struct link_vars *vars)
  6429. {
  6430. u16 cl37_val;
  6431. struct bnx2x *bp = params->bp;
  6432. bnx2x_cl45_read(bp, phy,
  6433. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6434. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6435. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6436. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6437. if ((vars->ieee_fc &
  6438. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6439. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6440. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6441. }
  6442. if ((vars->ieee_fc &
  6443. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6444. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6445. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6446. }
  6447. if ((vars->ieee_fc &
  6448. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6449. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6450. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6451. }
  6452. DP(NETIF_MSG_LINK,
  6453. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6454. bnx2x_cl45_write(bp, phy,
  6455. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6456. msleep(500);
  6457. }
  6458. static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
  6459. struct link_params *params,
  6460. u32 action)
  6461. {
  6462. struct bnx2x *bp = params->bp;
  6463. switch (action) {
  6464. case PHY_INIT:
  6465. /* Enable LASI */
  6466. bnx2x_cl45_write(bp, phy,
  6467. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6468. bnx2x_cl45_write(bp, phy,
  6469. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6470. break;
  6471. }
  6472. }
  6473. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6474. struct link_params *params,
  6475. struct link_vars *vars)
  6476. {
  6477. struct bnx2x *bp = params->bp;
  6478. u16 val = 0, tmp1;
  6479. u8 gpio_port;
  6480. DP(NETIF_MSG_LINK, "Init 8073\n");
  6481. if (CHIP_IS_E2(bp))
  6482. gpio_port = BP_PATH(bp);
  6483. else
  6484. gpio_port = params->port;
  6485. /* Restore normal power mode*/
  6486. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6487. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6488. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6489. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6490. bnx2x_8073_specific_func(phy, params, PHY_INIT);
  6491. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6492. bnx2x_cl45_read(bp, phy,
  6493. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6494. bnx2x_cl45_read(bp, phy,
  6495. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6496. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6497. /* Swap polarity if required - Must be done only in non-1G mode */
  6498. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6499. /* Configure the 8073 to swap _P and _N of the KR lines */
  6500. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6501. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6502. bnx2x_cl45_read(bp, phy,
  6503. MDIO_PMA_DEVAD,
  6504. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6505. bnx2x_cl45_write(bp, phy,
  6506. MDIO_PMA_DEVAD,
  6507. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6508. (val | (3<<9)));
  6509. }
  6510. /* Enable CL37 BAM */
  6511. if (REG_RD(bp, params->shmem_base +
  6512. offsetof(struct shmem_region, dev_info.
  6513. port_hw_config[params->port].default_cfg)) &
  6514. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6515. bnx2x_cl45_read(bp, phy,
  6516. MDIO_AN_DEVAD,
  6517. MDIO_AN_REG_8073_BAM, &val);
  6518. bnx2x_cl45_write(bp, phy,
  6519. MDIO_AN_DEVAD,
  6520. MDIO_AN_REG_8073_BAM, val | 1);
  6521. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6522. }
  6523. if (params->loopback_mode == LOOPBACK_EXT) {
  6524. bnx2x_807x_force_10G(bp, phy);
  6525. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6526. return 0;
  6527. } else {
  6528. bnx2x_cl45_write(bp, phy,
  6529. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6530. }
  6531. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6532. if (phy->req_line_speed == SPEED_10000) {
  6533. val = (1<<7);
  6534. } else if (phy->req_line_speed == SPEED_2500) {
  6535. val = (1<<5);
  6536. /* Note that 2.5G works only when used with 1G
  6537. * advertisement
  6538. */
  6539. } else
  6540. val = (1<<5);
  6541. } else {
  6542. val = 0;
  6543. if (phy->speed_cap_mask &
  6544. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6545. val |= (1<<7);
  6546. /* Note that 2.5G works only when used with 1G advertisement */
  6547. if (phy->speed_cap_mask &
  6548. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6549. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6550. val |= (1<<5);
  6551. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6552. }
  6553. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6554. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6555. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6556. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6557. (phy->req_line_speed == SPEED_2500)) {
  6558. u16 phy_ver;
  6559. /* Allow 2.5G for A1 and above */
  6560. bnx2x_cl45_read(bp, phy,
  6561. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6562. &phy_ver);
  6563. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6564. if (phy_ver > 0)
  6565. tmp1 |= 1;
  6566. else
  6567. tmp1 &= 0xfffe;
  6568. } else {
  6569. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6570. tmp1 &= 0xfffe;
  6571. }
  6572. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6573. /* Add support for CL37 (passive mode) II */
  6574. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6575. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6576. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6577. 0x20 : 0x40)));
  6578. /* Add support for CL37 (passive mode) III */
  6579. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6580. /* The SNR will improve about 2db by changing BW and FEE main
  6581. * tap. Rest commands are executed after link is up
  6582. * Change FFE main cursor to 5 in EDC register
  6583. */
  6584. if (bnx2x_8073_is_snr_needed(bp, phy))
  6585. bnx2x_cl45_write(bp, phy,
  6586. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6587. 0xFB0C);
  6588. /* Enable FEC (Forware Error Correction) Request in the AN */
  6589. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6590. tmp1 |= (1<<15);
  6591. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6592. bnx2x_ext_phy_set_pause(params, phy, vars);
  6593. /* Restart autoneg */
  6594. msleep(500);
  6595. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6596. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6597. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6598. return 0;
  6599. }
  6600. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6601. struct link_params *params,
  6602. struct link_vars *vars)
  6603. {
  6604. struct bnx2x *bp = params->bp;
  6605. u8 link_up = 0;
  6606. u16 val1, val2;
  6607. u16 link_status = 0;
  6608. u16 an1000_status = 0;
  6609. bnx2x_cl45_read(bp, phy,
  6610. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6611. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6612. /* Clear the interrupt LASI status register */
  6613. bnx2x_cl45_read(bp, phy,
  6614. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6615. bnx2x_cl45_read(bp, phy,
  6616. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6617. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6618. /* Clear MSG-OUT */
  6619. bnx2x_cl45_read(bp, phy,
  6620. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6621. /* Check the LASI */
  6622. bnx2x_cl45_read(bp, phy,
  6623. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6624. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6625. /* Check the link status */
  6626. bnx2x_cl45_read(bp, phy,
  6627. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6628. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6629. bnx2x_cl45_read(bp, phy,
  6630. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6631. bnx2x_cl45_read(bp, phy,
  6632. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6633. link_up = ((val1 & 4) == 4);
  6634. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6635. if (link_up &&
  6636. ((phy->req_line_speed != SPEED_10000))) {
  6637. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6638. return 0;
  6639. }
  6640. bnx2x_cl45_read(bp, phy,
  6641. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6642. bnx2x_cl45_read(bp, phy,
  6643. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6644. /* Check the link status on 1.1.2 */
  6645. bnx2x_cl45_read(bp, phy,
  6646. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6647. bnx2x_cl45_read(bp, phy,
  6648. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6649. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6650. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6651. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6652. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6653. /* The SNR will improve about 2dbby changing the BW and FEE main
  6654. * tap. The 1st write to change FFE main tap is set before
  6655. * restart AN. Change PLL Bandwidth in EDC register
  6656. */
  6657. bnx2x_cl45_write(bp, phy,
  6658. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6659. 0x26BC);
  6660. /* Change CDR Bandwidth in EDC register */
  6661. bnx2x_cl45_write(bp, phy,
  6662. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6663. 0x0333);
  6664. }
  6665. bnx2x_cl45_read(bp, phy,
  6666. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6667. &link_status);
  6668. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6669. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6670. link_up = 1;
  6671. vars->line_speed = SPEED_10000;
  6672. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6673. params->port);
  6674. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6675. link_up = 1;
  6676. vars->line_speed = SPEED_2500;
  6677. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6678. params->port);
  6679. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6680. link_up = 1;
  6681. vars->line_speed = SPEED_1000;
  6682. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6683. params->port);
  6684. } else {
  6685. link_up = 0;
  6686. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6687. params->port);
  6688. }
  6689. if (link_up) {
  6690. /* Swap polarity if required */
  6691. if (params->lane_config &
  6692. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6693. /* Configure the 8073 to swap P and N of the KR lines */
  6694. bnx2x_cl45_read(bp, phy,
  6695. MDIO_XS_DEVAD,
  6696. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6697. /* Set bit 3 to invert Rx in 1G mode and clear this bit
  6698. * when it`s in 10G mode.
  6699. */
  6700. if (vars->line_speed == SPEED_1000) {
  6701. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6702. "the 8073\n");
  6703. val1 |= (1<<3);
  6704. } else
  6705. val1 &= ~(1<<3);
  6706. bnx2x_cl45_write(bp, phy,
  6707. MDIO_XS_DEVAD,
  6708. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6709. val1);
  6710. }
  6711. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6712. bnx2x_8073_resolve_fc(phy, params, vars);
  6713. vars->duplex = DUPLEX_FULL;
  6714. }
  6715. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6716. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6717. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6718. if (val1 & (1<<5))
  6719. vars->link_status |=
  6720. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6721. if (val1 & (1<<7))
  6722. vars->link_status |=
  6723. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6724. }
  6725. return link_up;
  6726. }
  6727. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6728. struct link_params *params)
  6729. {
  6730. struct bnx2x *bp = params->bp;
  6731. u8 gpio_port;
  6732. if (CHIP_IS_E2(bp))
  6733. gpio_port = BP_PATH(bp);
  6734. else
  6735. gpio_port = params->port;
  6736. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6737. gpio_port);
  6738. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6739. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6740. gpio_port);
  6741. }
  6742. /******************************************************************/
  6743. /* BCM8705 PHY SECTION */
  6744. /******************************************************************/
  6745. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6746. struct link_params *params,
  6747. struct link_vars *vars)
  6748. {
  6749. struct bnx2x *bp = params->bp;
  6750. DP(NETIF_MSG_LINK, "init 8705\n");
  6751. /* Restore normal power mode*/
  6752. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6753. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6754. /* HW reset */
  6755. bnx2x_ext_phy_hw_reset(bp, params->port);
  6756. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6757. bnx2x_wait_reset_complete(bp, phy, params);
  6758. bnx2x_cl45_write(bp, phy,
  6759. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6760. bnx2x_cl45_write(bp, phy,
  6761. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6762. bnx2x_cl45_write(bp, phy,
  6763. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6764. bnx2x_cl45_write(bp, phy,
  6765. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6766. /* BCM8705 doesn't have microcode, hence the 0 */
  6767. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6768. return 0;
  6769. }
  6770. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6771. struct link_params *params,
  6772. struct link_vars *vars)
  6773. {
  6774. u8 link_up = 0;
  6775. u16 val1, rx_sd;
  6776. struct bnx2x *bp = params->bp;
  6777. DP(NETIF_MSG_LINK, "read status 8705\n");
  6778. bnx2x_cl45_read(bp, phy,
  6779. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6780. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6781. bnx2x_cl45_read(bp, phy,
  6782. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6783. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6784. bnx2x_cl45_read(bp, phy,
  6785. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6786. bnx2x_cl45_read(bp, phy,
  6787. MDIO_PMA_DEVAD, 0xc809, &val1);
  6788. bnx2x_cl45_read(bp, phy,
  6789. MDIO_PMA_DEVAD, 0xc809, &val1);
  6790. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6791. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6792. if (link_up) {
  6793. vars->line_speed = SPEED_10000;
  6794. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6795. }
  6796. return link_up;
  6797. }
  6798. /******************************************************************/
  6799. /* SFP+ module Section */
  6800. /******************************************************************/
  6801. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6802. struct bnx2x_phy *phy,
  6803. u8 pmd_dis)
  6804. {
  6805. struct bnx2x *bp = params->bp;
  6806. /* Disable transmitter only for bootcodes which can enable it afterwards
  6807. * (for D3 link)
  6808. */
  6809. if (pmd_dis) {
  6810. if (params->feature_config_flags &
  6811. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6812. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6813. else {
  6814. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6815. return;
  6816. }
  6817. } else
  6818. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6819. bnx2x_cl45_write(bp, phy,
  6820. MDIO_PMA_DEVAD,
  6821. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6822. }
  6823. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6824. {
  6825. u8 gpio_port;
  6826. u32 swap_val, swap_override;
  6827. struct bnx2x *bp = params->bp;
  6828. if (CHIP_IS_E2(bp))
  6829. gpio_port = BP_PATH(bp);
  6830. else
  6831. gpio_port = params->port;
  6832. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6833. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6834. return gpio_port ^ (swap_val && swap_override);
  6835. }
  6836. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6837. struct bnx2x_phy *phy,
  6838. u8 tx_en)
  6839. {
  6840. u16 val;
  6841. u8 port = params->port;
  6842. struct bnx2x *bp = params->bp;
  6843. u32 tx_en_mode;
  6844. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6845. tx_en_mode = REG_RD(bp, params->shmem_base +
  6846. offsetof(struct shmem_region,
  6847. dev_info.port_hw_config[port].sfp_ctrl)) &
  6848. PORT_HW_CFG_TX_LASER_MASK;
  6849. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6850. "mode = %x\n", tx_en, port, tx_en_mode);
  6851. switch (tx_en_mode) {
  6852. case PORT_HW_CFG_TX_LASER_MDIO:
  6853. bnx2x_cl45_read(bp, phy,
  6854. MDIO_PMA_DEVAD,
  6855. MDIO_PMA_REG_PHY_IDENTIFIER,
  6856. &val);
  6857. if (tx_en)
  6858. val &= ~(1<<15);
  6859. else
  6860. val |= (1<<15);
  6861. bnx2x_cl45_write(bp, phy,
  6862. MDIO_PMA_DEVAD,
  6863. MDIO_PMA_REG_PHY_IDENTIFIER,
  6864. val);
  6865. break;
  6866. case PORT_HW_CFG_TX_LASER_GPIO0:
  6867. case PORT_HW_CFG_TX_LASER_GPIO1:
  6868. case PORT_HW_CFG_TX_LASER_GPIO2:
  6869. case PORT_HW_CFG_TX_LASER_GPIO3:
  6870. {
  6871. u16 gpio_pin;
  6872. u8 gpio_port, gpio_mode;
  6873. if (tx_en)
  6874. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6875. else
  6876. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6877. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6878. gpio_port = bnx2x_get_gpio_port(params);
  6879. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6880. break;
  6881. }
  6882. default:
  6883. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6884. break;
  6885. }
  6886. }
  6887. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6888. struct bnx2x_phy *phy,
  6889. u8 tx_en)
  6890. {
  6891. struct bnx2x *bp = params->bp;
  6892. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6893. if (CHIP_IS_E3(bp))
  6894. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6895. else
  6896. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6897. }
  6898. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6899. struct link_params *params,
  6900. u8 dev_addr, u16 addr, u8 byte_cnt,
  6901. u8 *o_buf, u8 is_init)
  6902. {
  6903. struct bnx2x *bp = params->bp;
  6904. u16 val = 0;
  6905. u16 i;
  6906. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6907. DP(NETIF_MSG_LINK,
  6908. "Reading from eeprom is limited to 0xf\n");
  6909. return -EINVAL;
  6910. }
  6911. /* Set the read command byte count */
  6912. bnx2x_cl45_write(bp, phy,
  6913. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6914. (byte_cnt | (dev_addr << 8)));
  6915. /* Set the read command address */
  6916. bnx2x_cl45_write(bp, phy,
  6917. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6918. addr);
  6919. /* Activate read command */
  6920. bnx2x_cl45_write(bp, phy,
  6921. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6922. 0x2c0f);
  6923. /* Wait up to 500us for command complete status */
  6924. for (i = 0; i < 100; i++) {
  6925. bnx2x_cl45_read(bp, phy,
  6926. MDIO_PMA_DEVAD,
  6927. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6928. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6929. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6930. break;
  6931. udelay(5);
  6932. }
  6933. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6934. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6935. DP(NETIF_MSG_LINK,
  6936. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6937. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6938. return -EINVAL;
  6939. }
  6940. /* Read the buffer */
  6941. for (i = 0; i < byte_cnt; i++) {
  6942. bnx2x_cl45_read(bp, phy,
  6943. MDIO_PMA_DEVAD,
  6944. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6945. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6946. }
  6947. for (i = 0; i < 100; i++) {
  6948. bnx2x_cl45_read(bp, phy,
  6949. MDIO_PMA_DEVAD,
  6950. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6951. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6952. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6953. return 0;
  6954. usleep_range(1000, 2000);
  6955. }
  6956. return -EINVAL;
  6957. }
  6958. static void bnx2x_warpcore_power_module(struct link_params *params,
  6959. u8 power)
  6960. {
  6961. u32 pin_cfg;
  6962. struct bnx2x *bp = params->bp;
  6963. pin_cfg = (REG_RD(bp, params->shmem_base +
  6964. offsetof(struct shmem_region,
  6965. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  6966. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  6967. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  6968. if (pin_cfg == PIN_CFG_NA)
  6969. return;
  6970. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  6971. power, pin_cfg);
  6972. /* Low ==> corresponding SFP+ module is powered
  6973. * high ==> the SFP+ module is powered down
  6974. */
  6975. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  6976. }
  6977. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6978. struct link_params *params,
  6979. u8 dev_addr,
  6980. u16 addr, u8 byte_cnt,
  6981. u8 *o_buf, u8 is_init)
  6982. {
  6983. int rc = 0;
  6984. u8 i, j = 0, cnt = 0;
  6985. u32 data_array[4];
  6986. u16 addr32;
  6987. struct bnx2x *bp = params->bp;
  6988. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6989. DP(NETIF_MSG_LINK,
  6990. "Reading from eeprom is limited to 16 bytes\n");
  6991. return -EINVAL;
  6992. }
  6993. /* 4 byte aligned address */
  6994. addr32 = addr & (~0x3);
  6995. do {
  6996. if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
  6997. bnx2x_warpcore_power_module(params, 0);
  6998. /* Note that 100us are not enough here */
  6999. usleep_range(1000, 2000);
  7000. bnx2x_warpcore_power_module(params, 1);
  7001. }
  7002. rc = bnx2x_bsc_read(params, bp, dev_addr, addr32, 0, byte_cnt,
  7003. data_array);
  7004. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  7005. if (rc == 0) {
  7006. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  7007. o_buf[j] = *((u8 *)data_array + i);
  7008. j++;
  7009. }
  7010. }
  7011. return rc;
  7012. }
  7013. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  7014. struct link_params *params,
  7015. u8 dev_addr, u16 addr, u8 byte_cnt,
  7016. u8 *o_buf, u8 is_init)
  7017. {
  7018. struct bnx2x *bp = params->bp;
  7019. u16 val, i;
  7020. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  7021. DP(NETIF_MSG_LINK,
  7022. "Reading from eeprom is limited to 0xf\n");
  7023. return -EINVAL;
  7024. }
  7025. /* Set 2-wire transfer rate of SFP+ module EEPROM
  7026. * to 100Khz since some DACs(direct attached cables) do
  7027. * not work at 400Khz.
  7028. */
  7029. bnx2x_cl45_write(bp, phy,
  7030. MDIO_PMA_DEVAD,
  7031. MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  7032. ((dev_addr << 8) | 1));
  7033. /* Need to read from 1.8000 to clear it */
  7034. bnx2x_cl45_read(bp, phy,
  7035. MDIO_PMA_DEVAD,
  7036. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  7037. &val);
  7038. /* Set the read command byte count */
  7039. bnx2x_cl45_write(bp, phy,
  7040. MDIO_PMA_DEVAD,
  7041. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  7042. ((byte_cnt < 2) ? 2 : byte_cnt));
  7043. /* Set the read command address */
  7044. bnx2x_cl45_write(bp, phy,
  7045. MDIO_PMA_DEVAD,
  7046. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  7047. addr);
  7048. /* Set the destination address */
  7049. bnx2x_cl45_write(bp, phy,
  7050. MDIO_PMA_DEVAD,
  7051. 0x8004,
  7052. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  7053. /* Activate read command */
  7054. bnx2x_cl45_write(bp, phy,
  7055. MDIO_PMA_DEVAD,
  7056. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  7057. 0x8002);
  7058. /* Wait appropriate time for two-wire command to finish before
  7059. * polling the status register
  7060. */
  7061. usleep_range(1000, 2000);
  7062. /* Wait up to 500us for command complete status */
  7063. for (i = 0; i < 100; i++) {
  7064. bnx2x_cl45_read(bp, phy,
  7065. MDIO_PMA_DEVAD,
  7066. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  7067. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  7068. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  7069. break;
  7070. udelay(5);
  7071. }
  7072. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  7073. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  7074. DP(NETIF_MSG_LINK,
  7075. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  7076. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  7077. return -EFAULT;
  7078. }
  7079. /* Read the buffer */
  7080. for (i = 0; i < byte_cnt; i++) {
  7081. bnx2x_cl45_read(bp, phy,
  7082. MDIO_PMA_DEVAD,
  7083. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  7084. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  7085. }
  7086. for (i = 0; i < 100; i++) {
  7087. bnx2x_cl45_read(bp, phy,
  7088. MDIO_PMA_DEVAD,
  7089. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  7090. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  7091. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  7092. return 0;
  7093. usleep_range(1000, 2000);
  7094. }
  7095. return -EINVAL;
  7096. }
  7097. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  7098. struct link_params *params, u8 dev_addr,
  7099. u16 addr, u16 byte_cnt, u8 *o_buf)
  7100. {
  7101. int rc = 0;
  7102. struct bnx2x *bp = params->bp;
  7103. u8 xfer_size;
  7104. u8 *user_data = o_buf;
  7105. read_sfp_module_eeprom_func_p read_func;
  7106. if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
  7107. DP(NETIF_MSG_LINK, "invalid dev_addr 0x%x\n", dev_addr);
  7108. return -EINVAL;
  7109. }
  7110. switch (phy->type) {
  7111. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7112. read_func = bnx2x_8726_read_sfp_module_eeprom;
  7113. break;
  7114. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7115. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7116. read_func = bnx2x_8727_read_sfp_module_eeprom;
  7117. break;
  7118. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7119. read_func = bnx2x_warpcore_read_sfp_module_eeprom;
  7120. break;
  7121. default:
  7122. return -EOPNOTSUPP;
  7123. }
  7124. while (!rc && (byte_cnt > 0)) {
  7125. xfer_size = (byte_cnt > SFP_EEPROM_PAGE_SIZE) ?
  7126. SFP_EEPROM_PAGE_SIZE : byte_cnt;
  7127. rc = read_func(phy, params, dev_addr, addr, xfer_size,
  7128. user_data, 0);
  7129. byte_cnt -= xfer_size;
  7130. user_data += xfer_size;
  7131. addr += xfer_size;
  7132. }
  7133. return rc;
  7134. }
  7135. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  7136. struct link_params *params,
  7137. u16 *edc_mode)
  7138. {
  7139. struct bnx2x *bp = params->bp;
  7140. u32 sync_offset = 0, phy_idx, media_types;
  7141. u8 val[SFP_EEPROM_FC_TX_TECH_ADDR + 1], check_limiting_mode = 0;
  7142. *edc_mode = EDC_MODE_LIMITING;
  7143. phy->media_type = ETH_PHY_UNSPECIFIED;
  7144. /* First check for copper cable */
  7145. if (bnx2x_read_sfp_module_eeprom(phy,
  7146. params,
  7147. I2C_DEV_ADDR_A0,
  7148. 0,
  7149. SFP_EEPROM_FC_TX_TECH_ADDR + 1,
  7150. (u8 *)val) != 0) {
  7151. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  7152. return -EINVAL;
  7153. }
  7154. params->link_attr_sync &= ~LINK_SFP_EEPROM_COMP_CODE_MASK;
  7155. params->link_attr_sync |= val[SFP_EEPROM_10G_COMP_CODE_ADDR] <<
  7156. LINK_SFP_EEPROM_COMP_CODE_SHIFT;
  7157. bnx2x_update_link_attr(params, params->link_attr_sync);
  7158. switch (val[SFP_EEPROM_CON_TYPE_ADDR]) {
  7159. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  7160. {
  7161. u8 copper_module_type;
  7162. phy->media_type = ETH_PHY_DA_TWINAX;
  7163. /* Check if its active cable (includes SFP+ module)
  7164. * of passive cable
  7165. */
  7166. copper_module_type = val[SFP_EEPROM_FC_TX_TECH_ADDR];
  7167. if (copper_module_type &
  7168. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  7169. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  7170. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  7171. *edc_mode = EDC_MODE_ACTIVE_DAC;
  7172. else
  7173. check_limiting_mode = 1;
  7174. } else {
  7175. *edc_mode = EDC_MODE_PASSIVE_DAC;
  7176. /* Even in case PASSIVE_DAC indication is not set,
  7177. * treat it as a passive DAC cable, since some cables
  7178. * don't have this indication.
  7179. */
  7180. if (copper_module_type &
  7181. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  7182. DP(NETIF_MSG_LINK,
  7183. "Passive Copper cable detected\n");
  7184. } else {
  7185. DP(NETIF_MSG_LINK,
  7186. "Unknown copper-cable-type\n");
  7187. }
  7188. }
  7189. break;
  7190. }
  7191. case SFP_EEPROM_CON_TYPE_VAL_UNKNOWN:
  7192. case SFP_EEPROM_CON_TYPE_VAL_LC:
  7193. case SFP_EEPROM_CON_TYPE_VAL_RJ45:
  7194. check_limiting_mode = 1;
  7195. if (((val[SFP_EEPROM_10G_COMP_CODE_ADDR] &
  7196. (SFP_EEPROM_10G_COMP_CODE_SR_MASK |
  7197. SFP_EEPROM_10G_COMP_CODE_LR_MASK |
  7198. SFP_EEPROM_10G_COMP_CODE_LRM_MASK)) == 0) &&
  7199. (val[SFP_EEPROM_1G_COMP_CODE_ADDR] != 0)) {
  7200. DP(NETIF_MSG_LINK, "1G SFP module detected\n");
  7201. phy->media_type = ETH_PHY_SFP_1G_FIBER;
  7202. if (phy->req_line_speed != SPEED_1000) {
  7203. u8 gport = params->port;
  7204. phy->req_line_speed = SPEED_1000;
  7205. if (!CHIP_IS_E1x(bp)) {
  7206. gport = BP_PATH(bp) +
  7207. (params->port << 1);
  7208. }
  7209. netdev_err(bp->dev,
  7210. "Warning: Link speed was forced to 1000Mbps. Current SFP module in port %d is not compliant with 10G Ethernet\n",
  7211. gport);
  7212. }
  7213. if (val[SFP_EEPROM_1G_COMP_CODE_ADDR] &
  7214. SFP_EEPROM_1G_COMP_CODE_BASE_T) {
  7215. bnx2x_sfp_set_transmitter(params, phy, 0);
  7216. msleep(40);
  7217. bnx2x_sfp_set_transmitter(params, phy, 1);
  7218. }
  7219. } else {
  7220. int idx, cfg_idx = 0;
  7221. DP(NETIF_MSG_LINK, "10G Optic module detected\n");
  7222. for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
  7223. if (params->phy[idx].type == phy->type) {
  7224. cfg_idx = LINK_CONFIG_IDX(idx);
  7225. break;
  7226. }
  7227. }
  7228. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  7229. phy->req_line_speed = params->req_line_speed[cfg_idx];
  7230. }
  7231. break;
  7232. default:
  7233. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  7234. val[SFP_EEPROM_CON_TYPE_ADDR]);
  7235. return -EINVAL;
  7236. }
  7237. sync_offset = params->shmem_base +
  7238. offsetof(struct shmem_region,
  7239. dev_info.port_hw_config[params->port].media_type);
  7240. media_types = REG_RD(bp, sync_offset);
  7241. /* Update media type for non-PMF sync */
  7242. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  7243. if (&(params->phy[phy_idx]) == phy) {
  7244. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  7245. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7246. media_types |= ((phy->media_type &
  7247. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  7248. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7249. break;
  7250. }
  7251. }
  7252. REG_WR(bp, sync_offset, media_types);
  7253. if (check_limiting_mode) {
  7254. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  7255. if (bnx2x_read_sfp_module_eeprom(phy,
  7256. params,
  7257. I2C_DEV_ADDR_A0,
  7258. SFP_EEPROM_OPTIONS_ADDR,
  7259. SFP_EEPROM_OPTIONS_SIZE,
  7260. options) != 0) {
  7261. DP(NETIF_MSG_LINK,
  7262. "Failed to read Option field from module EEPROM\n");
  7263. return -EINVAL;
  7264. }
  7265. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  7266. *edc_mode = EDC_MODE_LINEAR;
  7267. else
  7268. *edc_mode = EDC_MODE_LIMITING;
  7269. }
  7270. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  7271. return 0;
  7272. }
  7273. /* This function read the relevant field from the module (SFP+), and verify it
  7274. * is compliant with this board
  7275. */
  7276. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  7277. struct link_params *params)
  7278. {
  7279. struct bnx2x *bp = params->bp;
  7280. u32 val, cmd;
  7281. u32 fw_resp, fw_cmd_param;
  7282. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  7283. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  7284. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  7285. val = REG_RD(bp, params->shmem_base +
  7286. offsetof(struct shmem_region, dev_info.
  7287. port_feature_config[params->port].config));
  7288. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7289. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  7290. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  7291. return 0;
  7292. }
  7293. if (params->feature_config_flags &
  7294. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  7295. /* Use specific phy request */
  7296. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  7297. } else if (params->feature_config_flags &
  7298. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  7299. /* Use first phy request only in case of non-dual media*/
  7300. if (DUAL_MEDIA(params)) {
  7301. DP(NETIF_MSG_LINK,
  7302. "FW does not support OPT MDL verification\n");
  7303. return -EINVAL;
  7304. }
  7305. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  7306. } else {
  7307. /* No support in OPT MDL detection */
  7308. DP(NETIF_MSG_LINK,
  7309. "FW does not support OPT MDL verification\n");
  7310. return -EINVAL;
  7311. }
  7312. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  7313. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  7314. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  7315. DP(NETIF_MSG_LINK, "Approved module\n");
  7316. return 0;
  7317. }
  7318. /* Format the warning message */
  7319. if (bnx2x_read_sfp_module_eeprom(phy,
  7320. params,
  7321. I2C_DEV_ADDR_A0,
  7322. SFP_EEPROM_VENDOR_NAME_ADDR,
  7323. SFP_EEPROM_VENDOR_NAME_SIZE,
  7324. (u8 *)vendor_name))
  7325. vendor_name[0] = '\0';
  7326. else
  7327. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7328. if (bnx2x_read_sfp_module_eeprom(phy,
  7329. params,
  7330. I2C_DEV_ADDR_A0,
  7331. SFP_EEPROM_PART_NO_ADDR,
  7332. SFP_EEPROM_PART_NO_SIZE,
  7333. (u8 *)vendor_pn))
  7334. vendor_pn[0] = '\0';
  7335. else
  7336. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7337. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7338. " Port %d from %s part number %s\n",
  7339. params->port, vendor_name, vendor_pn);
  7340. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7341. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
  7342. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7343. return -EINVAL;
  7344. }
  7345. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7346. struct link_params *params)
  7347. {
  7348. u8 val;
  7349. int rc;
  7350. struct bnx2x *bp = params->bp;
  7351. u16 timeout;
  7352. /* Initialization time after hot-plug may take up to 300ms for
  7353. * some phys type ( e.g. JDSU )
  7354. */
  7355. for (timeout = 0; timeout < 60; timeout++) {
  7356. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  7357. rc = bnx2x_warpcore_read_sfp_module_eeprom(
  7358. phy, params, I2C_DEV_ADDR_A0, 1, 1, &val,
  7359. 1);
  7360. else
  7361. rc = bnx2x_read_sfp_module_eeprom(phy, params,
  7362. I2C_DEV_ADDR_A0,
  7363. 1, 1, &val);
  7364. if (rc == 0) {
  7365. DP(NETIF_MSG_LINK,
  7366. "SFP+ module initialization took %d ms\n",
  7367. timeout * 5);
  7368. return 0;
  7369. }
  7370. usleep_range(5000, 10000);
  7371. }
  7372. rc = bnx2x_read_sfp_module_eeprom(phy, params, I2C_DEV_ADDR_A0,
  7373. 1, 1, &val);
  7374. return rc;
  7375. }
  7376. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7377. struct bnx2x_phy *phy,
  7378. u8 is_power_up) {
  7379. /* Make sure GPIOs are not using for LED mode */
  7380. u16 val;
  7381. /* In the GPIO register, bit 4 is use to determine if the GPIOs are
  7382. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7383. * output
  7384. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7385. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7386. * where the 1st bit is the over-current(only input), and 2nd bit is
  7387. * for power( only output )
  7388. *
  7389. * In case of NOC feature is disabled and power is up, set GPIO control
  7390. * as input to enable listening of over-current indication
  7391. */
  7392. if (phy->flags & FLAGS_NOC)
  7393. return;
  7394. if (is_power_up)
  7395. val = (1<<4);
  7396. else
  7397. /* Set GPIO control to OUTPUT, and set the power bit
  7398. * to according to the is_power_up
  7399. */
  7400. val = (1<<1);
  7401. bnx2x_cl45_write(bp, phy,
  7402. MDIO_PMA_DEVAD,
  7403. MDIO_PMA_REG_8727_GPIO_CTRL,
  7404. val);
  7405. }
  7406. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7407. struct bnx2x_phy *phy,
  7408. u16 edc_mode)
  7409. {
  7410. u16 cur_limiting_mode;
  7411. bnx2x_cl45_read(bp, phy,
  7412. MDIO_PMA_DEVAD,
  7413. MDIO_PMA_REG_ROM_VER2,
  7414. &cur_limiting_mode);
  7415. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7416. cur_limiting_mode);
  7417. if (edc_mode == EDC_MODE_LIMITING) {
  7418. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7419. bnx2x_cl45_write(bp, phy,
  7420. MDIO_PMA_DEVAD,
  7421. MDIO_PMA_REG_ROM_VER2,
  7422. EDC_MODE_LIMITING);
  7423. } else { /* LRM mode ( default )*/
  7424. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7425. /* Changing to LRM mode takes quite few seconds. So do it only
  7426. * if current mode is limiting (default is LRM)
  7427. */
  7428. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7429. return 0;
  7430. bnx2x_cl45_write(bp, phy,
  7431. MDIO_PMA_DEVAD,
  7432. MDIO_PMA_REG_LRM_MODE,
  7433. 0);
  7434. bnx2x_cl45_write(bp, phy,
  7435. MDIO_PMA_DEVAD,
  7436. MDIO_PMA_REG_ROM_VER2,
  7437. 0x128);
  7438. bnx2x_cl45_write(bp, phy,
  7439. MDIO_PMA_DEVAD,
  7440. MDIO_PMA_REG_MISC_CTRL0,
  7441. 0x4008);
  7442. bnx2x_cl45_write(bp, phy,
  7443. MDIO_PMA_DEVAD,
  7444. MDIO_PMA_REG_LRM_MODE,
  7445. 0xaaaa);
  7446. }
  7447. return 0;
  7448. }
  7449. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7450. struct bnx2x_phy *phy,
  7451. u16 edc_mode)
  7452. {
  7453. u16 phy_identifier;
  7454. u16 rom_ver2_val;
  7455. bnx2x_cl45_read(bp, phy,
  7456. MDIO_PMA_DEVAD,
  7457. MDIO_PMA_REG_PHY_IDENTIFIER,
  7458. &phy_identifier);
  7459. bnx2x_cl45_write(bp, phy,
  7460. MDIO_PMA_DEVAD,
  7461. MDIO_PMA_REG_PHY_IDENTIFIER,
  7462. (phy_identifier & ~(1<<9)));
  7463. bnx2x_cl45_read(bp, phy,
  7464. MDIO_PMA_DEVAD,
  7465. MDIO_PMA_REG_ROM_VER2,
  7466. &rom_ver2_val);
  7467. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7468. bnx2x_cl45_write(bp, phy,
  7469. MDIO_PMA_DEVAD,
  7470. MDIO_PMA_REG_ROM_VER2,
  7471. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7472. bnx2x_cl45_write(bp, phy,
  7473. MDIO_PMA_DEVAD,
  7474. MDIO_PMA_REG_PHY_IDENTIFIER,
  7475. (phy_identifier | (1<<9)));
  7476. return 0;
  7477. }
  7478. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7479. struct link_params *params,
  7480. u32 action)
  7481. {
  7482. struct bnx2x *bp = params->bp;
  7483. u16 val;
  7484. switch (action) {
  7485. case DISABLE_TX:
  7486. bnx2x_sfp_set_transmitter(params, phy, 0);
  7487. break;
  7488. case ENABLE_TX:
  7489. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7490. bnx2x_sfp_set_transmitter(params, phy, 1);
  7491. break;
  7492. case PHY_INIT:
  7493. bnx2x_cl45_write(bp, phy,
  7494. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7495. (1<<2) | (1<<5));
  7496. bnx2x_cl45_write(bp, phy,
  7497. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7498. 0);
  7499. bnx2x_cl45_write(bp, phy,
  7500. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
  7501. /* Make MOD_ABS give interrupt on change */
  7502. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7503. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7504. &val);
  7505. val |= (1<<12);
  7506. if (phy->flags & FLAGS_NOC)
  7507. val |= (3<<5);
  7508. /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7509. * status which reflect SFP+ module over-current
  7510. */
  7511. if (!(phy->flags & FLAGS_NOC))
  7512. val &= 0xff8f; /* Reset bits 4-6 */
  7513. bnx2x_cl45_write(bp, phy,
  7514. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7515. val);
  7516. break;
  7517. default:
  7518. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7519. action);
  7520. return;
  7521. }
  7522. }
  7523. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7524. u8 gpio_mode)
  7525. {
  7526. struct bnx2x *bp = params->bp;
  7527. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7528. offsetof(struct shmem_region,
  7529. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7530. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7531. switch (fault_led_gpio) {
  7532. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7533. return;
  7534. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7535. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7536. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7537. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7538. {
  7539. u8 gpio_port = bnx2x_get_gpio_port(params);
  7540. u16 gpio_pin = fault_led_gpio -
  7541. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7542. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7543. "pin %x port %x mode %x\n",
  7544. gpio_pin, gpio_port, gpio_mode);
  7545. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7546. }
  7547. break;
  7548. default:
  7549. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7550. fault_led_gpio);
  7551. }
  7552. }
  7553. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7554. u8 gpio_mode)
  7555. {
  7556. u32 pin_cfg;
  7557. u8 port = params->port;
  7558. struct bnx2x *bp = params->bp;
  7559. pin_cfg = (REG_RD(bp, params->shmem_base +
  7560. offsetof(struct shmem_region,
  7561. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7562. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7563. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7564. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7565. gpio_mode, pin_cfg);
  7566. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7567. }
  7568. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7569. u8 gpio_mode)
  7570. {
  7571. struct bnx2x *bp = params->bp;
  7572. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7573. if (CHIP_IS_E3(bp)) {
  7574. /* Low ==> if SFP+ module is supported otherwise
  7575. * High ==> if SFP+ module is not on the approved vendor list
  7576. */
  7577. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7578. } else
  7579. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7580. }
  7581. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7582. struct link_params *params)
  7583. {
  7584. struct bnx2x *bp = params->bp;
  7585. bnx2x_warpcore_power_module(params, 0);
  7586. /* Put Warpcore in low power mode */
  7587. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7588. /* Put LCPLL in low power mode */
  7589. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7590. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7591. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7592. }
  7593. static void bnx2x_power_sfp_module(struct link_params *params,
  7594. struct bnx2x_phy *phy,
  7595. u8 power)
  7596. {
  7597. struct bnx2x *bp = params->bp;
  7598. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7599. switch (phy->type) {
  7600. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7601. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7602. bnx2x_8727_power_module(params->bp, phy, power);
  7603. break;
  7604. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7605. bnx2x_warpcore_power_module(params, power);
  7606. break;
  7607. default:
  7608. break;
  7609. }
  7610. }
  7611. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7612. struct bnx2x_phy *phy,
  7613. u16 edc_mode)
  7614. {
  7615. u16 val = 0;
  7616. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7617. struct bnx2x *bp = params->bp;
  7618. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7619. /* This is a global register which controls all lanes */
  7620. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7621. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7622. val &= ~(0xf << (lane << 2));
  7623. switch (edc_mode) {
  7624. case EDC_MODE_LINEAR:
  7625. case EDC_MODE_LIMITING:
  7626. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7627. break;
  7628. case EDC_MODE_PASSIVE_DAC:
  7629. case EDC_MODE_ACTIVE_DAC:
  7630. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7631. break;
  7632. default:
  7633. break;
  7634. }
  7635. val |= (mode << (lane << 2));
  7636. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7637. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7638. /* A must read */
  7639. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7640. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7641. /* Restart microcode to re-read the new mode */
  7642. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7643. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7644. }
  7645. static void bnx2x_set_limiting_mode(struct link_params *params,
  7646. struct bnx2x_phy *phy,
  7647. u16 edc_mode)
  7648. {
  7649. switch (phy->type) {
  7650. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7651. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7652. break;
  7653. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7654. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7655. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7656. break;
  7657. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7658. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7659. break;
  7660. }
  7661. }
  7662. static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7663. struct link_params *params)
  7664. {
  7665. struct bnx2x *bp = params->bp;
  7666. u16 edc_mode;
  7667. int rc = 0;
  7668. u32 val = REG_RD(bp, params->shmem_base +
  7669. offsetof(struct shmem_region, dev_info.
  7670. port_feature_config[params->port].config));
  7671. /* Enabled transmitter by default */
  7672. bnx2x_sfp_set_transmitter(params, phy, 1);
  7673. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7674. params->port);
  7675. /* Power up module */
  7676. bnx2x_power_sfp_module(params, phy, 1);
  7677. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7678. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7679. return -EINVAL;
  7680. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7681. /* Check SFP+ module compatibility */
  7682. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7683. rc = -EINVAL;
  7684. /* Turn on fault module-detected led */
  7685. bnx2x_set_sfp_module_fault_led(params,
  7686. MISC_REGISTERS_GPIO_HIGH);
  7687. /* Check if need to power down the SFP+ module */
  7688. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7689. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7690. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7691. bnx2x_power_sfp_module(params, phy, 0);
  7692. return rc;
  7693. }
  7694. } else {
  7695. /* Turn off fault module-detected led */
  7696. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7697. }
  7698. /* Check and set limiting mode / LRM mode on 8726. On 8727 it
  7699. * is done automatically
  7700. */
  7701. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7702. /* Disable transmit for this module if the module is not approved, and
  7703. * laser needs to be disabled.
  7704. */
  7705. if ((rc) &&
  7706. ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7707. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
  7708. bnx2x_sfp_set_transmitter(params, phy, 0);
  7709. return rc;
  7710. }
  7711. void bnx2x_handle_module_detect_int(struct link_params *params)
  7712. {
  7713. struct bnx2x *bp = params->bp;
  7714. struct bnx2x_phy *phy;
  7715. u32 gpio_val;
  7716. u8 gpio_num, gpio_port;
  7717. if (CHIP_IS_E3(bp)) {
  7718. phy = &params->phy[INT_PHY];
  7719. /* Always enable TX laser,will be disabled in case of fault */
  7720. bnx2x_sfp_set_transmitter(params, phy, 1);
  7721. } else {
  7722. phy = &params->phy[EXT_PHY1];
  7723. }
  7724. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7725. params->port, &gpio_num, &gpio_port) ==
  7726. -EINVAL) {
  7727. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7728. return;
  7729. }
  7730. /* Set valid module led off */
  7731. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7732. /* Get current gpio val reflecting module plugged in / out*/
  7733. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7734. /* Call the handling function in case module is detected */
  7735. if (gpio_val == 0) {
  7736. bnx2x_set_mdio_emac_per_phy(bp, params);
  7737. bnx2x_set_aer_mmd(params, phy);
  7738. bnx2x_power_sfp_module(params, phy, 1);
  7739. bnx2x_set_gpio_int(bp, gpio_num,
  7740. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7741. gpio_port);
  7742. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
  7743. bnx2x_sfp_module_detection(phy, params);
  7744. if (CHIP_IS_E3(bp)) {
  7745. u16 rx_tx_in_reset;
  7746. /* In case WC is out of reset, reconfigure the
  7747. * link speed while taking into account 1G
  7748. * module limitation.
  7749. */
  7750. bnx2x_cl45_read(bp, phy,
  7751. MDIO_WC_DEVAD,
  7752. MDIO_WC_REG_DIGITAL5_MISC6,
  7753. &rx_tx_in_reset);
  7754. if ((!rx_tx_in_reset) &&
  7755. (params->link_flags &
  7756. PHY_INITIALIZED)) {
  7757. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7758. bnx2x_warpcore_config_sfi(phy, params);
  7759. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7760. }
  7761. }
  7762. } else {
  7763. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7764. }
  7765. } else {
  7766. bnx2x_set_gpio_int(bp, gpio_num,
  7767. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7768. gpio_port);
  7769. /* Module was plugged out.
  7770. * Disable transmit for this module
  7771. */
  7772. phy->media_type = ETH_PHY_NOT_PRESENT;
  7773. }
  7774. }
  7775. /******************************************************************/
  7776. /* Used by 8706 and 8727 */
  7777. /******************************************************************/
  7778. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7779. struct bnx2x_phy *phy,
  7780. u16 alarm_status_offset,
  7781. u16 alarm_ctrl_offset)
  7782. {
  7783. u16 alarm_status, val;
  7784. bnx2x_cl45_read(bp, phy,
  7785. MDIO_PMA_DEVAD, alarm_status_offset,
  7786. &alarm_status);
  7787. bnx2x_cl45_read(bp, phy,
  7788. MDIO_PMA_DEVAD, alarm_status_offset,
  7789. &alarm_status);
  7790. /* Mask or enable the fault event. */
  7791. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7792. if (alarm_status & (1<<0))
  7793. val &= ~(1<<0);
  7794. else
  7795. val |= (1<<0);
  7796. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7797. }
  7798. /******************************************************************/
  7799. /* common BCM8706/BCM8726 PHY SECTION */
  7800. /******************************************************************/
  7801. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7802. struct link_params *params,
  7803. struct link_vars *vars)
  7804. {
  7805. u8 link_up = 0;
  7806. u16 val1, val2, rx_sd, pcs_status;
  7807. struct bnx2x *bp = params->bp;
  7808. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7809. /* Clear RX Alarm*/
  7810. bnx2x_cl45_read(bp, phy,
  7811. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7812. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7813. MDIO_PMA_LASI_TXCTRL);
  7814. /* Clear LASI indication*/
  7815. bnx2x_cl45_read(bp, phy,
  7816. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7817. bnx2x_cl45_read(bp, phy,
  7818. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7819. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7820. bnx2x_cl45_read(bp, phy,
  7821. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7822. bnx2x_cl45_read(bp, phy,
  7823. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7824. bnx2x_cl45_read(bp, phy,
  7825. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7826. bnx2x_cl45_read(bp, phy,
  7827. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7828. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7829. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7830. /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7831. * are set, or if the autoneg bit 1 is set
  7832. */
  7833. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7834. if (link_up) {
  7835. if (val2 & (1<<1))
  7836. vars->line_speed = SPEED_1000;
  7837. else
  7838. vars->line_speed = SPEED_10000;
  7839. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7840. vars->duplex = DUPLEX_FULL;
  7841. }
  7842. /* Capture 10G link fault. Read twice to clear stale value. */
  7843. if (vars->line_speed == SPEED_10000) {
  7844. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7845. MDIO_PMA_LASI_TXSTAT, &val1);
  7846. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7847. MDIO_PMA_LASI_TXSTAT, &val1);
  7848. if (val1 & (1<<0))
  7849. vars->fault_detected = 1;
  7850. }
  7851. return link_up;
  7852. }
  7853. /******************************************************************/
  7854. /* BCM8706 PHY SECTION */
  7855. /******************************************************************/
  7856. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7857. struct link_params *params,
  7858. struct link_vars *vars)
  7859. {
  7860. u32 tx_en_mode;
  7861. u16 cnt, val, tmp1;
  7862. struct bnx2x *bp = params->bp;
  7863. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7864. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7865. /* HW reset */
  7866. bnx2x_ext_phy_hw_reset(bp, params->port);
  7867. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7868. bnx2x_wait_reset_complete(bp, phy, params);
  7869. /* Wait until fw is loaded */
  7870. for (cnt = 0; cnt < 100; cnt++) {
  7871. bnx2x_cl45_read(bp, phy,
  7872. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7873. if (val)
  7874. break;
  7875. usleep_range(10000, 20000);
  7876. }
  7877. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7878. if ((params->feature_config_flags &
  7879. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7880. u8 i;
  7881. u16 reg;
  7882. for (i = 0; i < 4; i++) {
  7883. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7884. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7885. MDIO_XS_8706_REG_BANK_RX0);
  7886. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7887. /* Clear first 3 bits of the control */
  7888. val &= ~0x7;
  7889. /* Set control bits according to configuration */
  7890. val |= (phy->rx_preemphasis[i] & 0x7);
  7891. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7892. " reg 0x%x <-- val 0x%x\n", reg, val);
  7893. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7894. }
  7895. }
  7896. /* Force speed */
  7897. if (phy->req_line_speed == SPEED_10000) {
  7898. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7899. bnx2x_cl45_write(bp, phy,
  7900. MDIO_PMA_DEVAD,
  7901. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7902. bnx2x_cl45_write(bp, phy,
  7903. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7904. 0);
  7905. /* Arm LASI for link and Tx fault. */
  7906. bnx2x_cl45_write(bp, phy,
  7907. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7908. } else {
  7909. /* Force 1Gbps using autoneg with 1G advertisement */
  7910. /* Allow CL37 through CL73 */
  7911. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7912. bnx2x_cl45_write(bp, phy,
  7913. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7914. /* Enable Full-Duplex advertisement on CL37 */
  7915. bnx2x_cl45_write(bp, phy,
  7916. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7917. /* Enable CL37 AN */
  7918. bnx2x_cl45_write(bp, phy,
  7919. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7920. /* 1G support */
  7921. bnx2x_cl45_write(bp, phy,
  7922. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7923. /* Enable clause 73 AN */
  7924. bnx2x_cl45_write(bp, phy,
  7925. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7926. bnx2x_cl45_write(bp, phy,
  7927. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7928. 0x0400);
  7929. bnx2x_cl45_write(bp, phy,
  7930. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7931. 0x0004);
  7932. }
  7933. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7934. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7935. * power mode, if TX Laser is disabled
  7936. */
  7937. tx_en_mode = REG_RD(bp, params->shmem_base +
  7938. offsetof(struct shmem_region,
  7939. dev_info.port_hw_config[params->port].sfp_ctrl))
  7940. & PORT_HW_CFG_TX_LASER_MASK;
  7941. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7942. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7943. bnx2x_cl45_read(bp, phy,
  7944. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7945. tmp1 |= 0x1;
  7946. bnx2x_cl45_write(bp, phy,
  7947. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7948. }
  7949. return 0;
  7950. }
  7951. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7952. struct link_params *params,
  7953. struct link_vars *vars)
  7954. {
  7955. return bnx2x_8706_8726_read_status(phy, params, vars);
  7956. }
  7957. /******************************************************************/
  7958. /* BCM8726 PHY SECTION */
  7959. /******************************************************************/
  7960. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7961. struct link_params *params)
  7962. {
  7963. struct bnx2x *bp = params->bp;
  7964. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7965. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7966. }
  7967. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7968. struct link_params *params)
  7969. {
  7970. struct bnx2x *bp = params->bp;
  7971. /* Need to wait 100ms after reset */
  7972. msleep(100);
  7973. /* Micro controller re-boot */
  7974. bnx2x_cl45_write(bp, phy,
  7975. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7976. /* Set soft reset */
  7977. bnx2x_cl45_write(bp, phy,
  7978. MDIO_PMA_DEVAD,
  7979. MDIO_PMA_REG_GEN_CTRL,
  7980. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7981. bnx2x_cl45_write(bp, phy,
  7982. MDIO_PMA_DEVAD,
  7983. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7984. bnx2x_cl45_write(bp, phy,
  7985. MDIO_PMA_DEVAD,
  7986. MDIO_PMA_REG_GEN_CTRL,
  7987. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7988. /* Wait for 150ms for microcode load */
  7989. msleep(150);
  7990. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7991. bnx2x_cl45_write(bp, phy,
  7992. MDIO_PMA_DEVAD,
  7993. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7994. msleep(200);
  7995. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7996. }
  7997. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7998. struct link_params *params,
  7999. struct link_vars *vars)
  8000. {
  8001. struct bnx2x *bp = params->bp;
  8002. u16 val1;
  8003. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  8004. if (link_up) {
  8005. bnx2x_cl45_read(bp, phy,
  8006. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8007. &val1);
  8008. if (val1 & (1<<15)) {
  8009. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8010. link_up = 0;
  8011. vars->line_speed = 0;
  8012. }
  8013. }
  8014. return link_up;
  8015. }
  8016. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  8017. struct link_params *params,
  8018. struct link_vars *vars)
  8019. {
  8020. struct bnx2x *bp = params->bp;
  8021. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  8022. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8023. bnx2x_wait_reset_complete(bp, phy, params);
  8024. bnx2x_8726_external_rom_boot(phy, params);
  8025. /* Need to call module detected on initialization since the module
  8026. * detection triggered by actual module insertion might occur before
  8027. * driver is loaded, and when driver is loaded, it reset all
  8028. * registers, including the transmitter
  8029. */
  8030. bnx2x_sfp_module_detection(phy, params);
  8031. if (phy->req_line_speed == SPEED_1000) {
  8032. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  8033. bnx2x_cl45_write(bp, phy,
  8034. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  8035. bnx2x_cl45_write(bp, phy,
  8036. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  8037. bnx2x_cl45_write(bp, phy,
  8038. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  8039. bnx2x_cl45_write(bp, phy,
  8040. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8041. 0x400);
  8042. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8043. (phy->speed_cap_mask &
  8044. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  8045. ((phy->speed_cap_mask &
  8046. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  8047. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  8048. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  8049. /* Set Flow control */
  8050. bnx2x_ext_phy_set_pause(params, phy, vars);
  8051. bnx2x_cl45_write(bp, phy,
  8052. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  8053. bnx2x_cl45_write(bp, phy,
  8054. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  8055. bnx2x_cl45_write(bp, phy,
  8056. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  8057. bnx2x_cl45_write(bp, phy,
  8058. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  8059. bnx2x_cl45_write(bp, phy,
  8060. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  8061. /* Enable RX-ALARM control to receive interrupt for 1G speed
  8062. * change
  8063. */
  8064. bnx2x_cl45_write(bp, phy,
  8065. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  8066. bnx2x_cl45_write(bp, phy,
  8067. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8068. 0x400);
  8069. } else { /* Default 10G. Set only LASI control */
  8070. bnx2x_cl45_write(bp, phy,
  8071. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  8072. }
  8073. /* Set TX PreEmphasis if needed */
  8074. if ((params->feature_config_flags &
  8075. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8076. DP(NETIF_MSG_LINK,
  8077. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8078. phy->tx_preemphasis[0],
  8079. phy->tx_preemphasis[1]);
  8080. bnx2x_cl45_write(bp, phy,
  8081. MDIO_PMA_DEVAD,
  8082. MDIO_PMA_REG_8726_TX_CTRL1,
  8083. phy->tx_preemphasis[0]);
  8084. bnx2x_cl45_write(bp, phy,
  8085. MDIO_PMA_DEVAD,
  8086. MDIO_PMA_REG_8726_TX_CTRL2,
  8087. phy->tx_preemphasis[1]);
  8088. }
  8089. return 0;
  8090. }
  8091. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  8092. struct link_params *params)
  8093. {
  8094. struct bnx2x *bp = params->bp;
  8095. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  8096. /* Set serial boot control for external load */
  8097. bnx2x_cl45_write(bp, phy,
  8098. MDIO_PMA_DEVAD,
  8099. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  8100. }
  8101. /******************************************************************/
  8102. /* BCM8727 PHY SECTION */
  8103. /******************************************************************/
  8104. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  8105. struct link_params *params, u8 mode)
  8106. {
  8107. struct bnx2x *bp = params->bp;
  8108. u16 led_mode_bitmask = 0;
  8109. u16 gpio_pins_bitmask = 0;
  8110. u16 val;
  8111. /* Only NOC flavor requires to set the LED specifically */
  8112. if (!(phy->flags & FLAGS_NOC))
  8113. return;
  8114. switch (mode) {
  8115. case LED_MODE_FRONT_PANEL_OFF:
  8116. case LED_MODE_OFF:
  8117. led_mode_bitmask = 0;
  8118. gpio_pins_bitmask = 0x03;
  8119. break;
  8120. case LED_MODE_ON:
  8121. led_mode_bitmask = 0;
  8122. gpio_pins_bitmask = 0x02;
  8123. break;
  8124. case LED_MODE_OPER:
  8125. led_mode_bitmask = 0x60;
  8126. gpio_pins_bitmask = 0x11;
  8127. break;
  8128. }
  8129. bnx2x_cl45_read(bp, phy,
  8130. MDIO_PMA_DEVAD,
  8131. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8132. &val);
  8133. val &= 0xff8f;
  8134. val |= led_mode_bitmask;
  8135. bnx2x_cl45_write(bp, phy,
  8136. MDIO_PMA_DEVAD,
  8137. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8138. val);
  8139. bnx2x_cl45_read(bp, phy,
  8140. MDIO_PMA_DEVAD,
  8141. MDIO_PMA_REG_8727_GPIO_CTRL,
  8142. &val);
  8143. val &= 0xffe0;
  8144. val |= gpio_pins_bitmask;
  8145. bnx2x_cl45_write(bp, phy,
  8146. MDIO_PMA_DEVAD,
  8147. MDIO_PMA_REG_8727_GPIO_CTRL,
  8148. val);
  8149. }
  8150. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  8151. struct link_params *params) {
  8152. u32 swap_val, swap_override;
  8153. u8 port;
  8154. /* The PHY reset is controlled by GPIO 1. Fake the port number
  8155. * to cancel the swap done in set_gpio()
  8156. */
  8157. struct bnx2x *bp = params->bp;
  8158. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  8159. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  8160. port = (swap_val && swap_override) ^ 1;
  8161. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  8162. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  8163. }
  8164. static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
  8165. struct link_params *params)
  8166. {
  8167. struct bnx2x *bp = params->bp;
  8168. u16 tmp1, val;
  8169. /* Set option 1G speed */
  8170. if ((phy->req_line_speed == SPEED_1000) ||
  8171. (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
  8172. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  8173. bnx2x_cl45_write(bp, phy,
  8174. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  8175. bnx2x_cl45_write(bp, phy,
  8176. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  8177. bnx2x_cl45_read(bp, phy,
  8178. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  8179. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  8180. /* Power down the XAUI until link is up in case of dual-media
  8181. * and 1G
  8182. */
  8183. if (DUAL_MEDIA(params)) {
  8184. bnx2x_cl45_read(bp, phy,
  8185. MDIO_PMA_DEVAD,
  8186. MDIO_PMA_REG_8727_PCS_GP, &val);
  8187. val |= (3<<10);
  8188. bnx2x_cl45_write(bp, phy,
  8189. MDIO_PMA_DEVAD,
  8190. MDIO_PMA_REG_8727_PCS_GP, val);
  8191. }
  8192. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8193. ((phy->speed_cap_mask &
  8194. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  8195. ((phy->speed_cap_mask &
  8196. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  8197. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  8198. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  8199. bnx2x_cl45_write(bp, phy,
  8200. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  8201. bnx2x_cl45_write(bp, phy,
  8202. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  8203. } else {
  8204. /* Since the 8727 has only single reset pin, need to set the 10G
  8205. * registers although it is default
  8206. */
  8207. bnx2x_cl45_write(bp, phy,
  8208. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  8209. 0x0020);
  8210. bnx2x_cl45_write(bp, phy,
  8211. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  8212. bnx2x_cl45_write(bp, phy,
  8213. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  8214. bnx2x_cl45_write(bp, phy,
  8215. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  8216. 0x0008);
  8217. }
  8218. }
  8219. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  8220. struct link_params *params,
  8221. struct link_vars *vars)
  8222. {
  8223. u32 tx_en_mode;
  8224. u16 tmp1, mod_abs, tmp2;
  8225. struct bnx2x *bp = params->bp;
  8226. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  8227. bnx2x_wait_reset_complete(bp, phy, params);
  8228. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  8229. bnx2x_8727_specific_func(phy, params, PHY_INIT);
  8230. /* Initially configure MOD_ABS to interrupt when module is
  8231. * presence( bit 8)
  8232. */
  8233. bnx2x_cl45_read(bp, phy,
  8234. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8235. /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
  8236. * When the EDC is off it locks onto a reference clock and avoids
  8237. * becoming 'lost'
  8238. */
  8239. mod_abs &= ~(1<<8);
  8240. if (!(phy->flags & FLAGS_NOC))
  8241. mod_abs &= ~(1<<9);
  8242. bnx2x_cl45_write(bp, phy,
  8243. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8244. /* Enable/Disable PHY transmitter output */
  8245. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  8246. bnx2x_8727_power_module(bp, phy, 1);
  8247. bnx2x_cl45_read(bp, phy,
  8248. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  8249. bnx2x_cl45_read(bp, phy,
  8250. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  8251. bnx2x_8727_config_speed(phy, params);
  8252. /* Set TX PreEmphasis if needed */
  8253. if ((params->feature_config_flags &
  8254. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8255. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8256. phy->tx_preemphasis[0],
  8257. phy->tx_preemphasis[1]);
  8258. bnx2x_cl45_write(bp, phy,
  8259. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  8260. phy->tx_preemphasis[0]);
  8261. bnx2x_cl45_write(bp, phy,
  8262. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  8263. phy->tx_preemphasis[1]);
  8264. }
  8265. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  8266. * power mode, if TX Laser is disabled
  8267. */
  8268. tx_en_mode = REG_RD(bp, params->shmem_base +
  8269. offsetof(struct shmem_region,
  8270. dev_info.port_hw_config[params->port].sfp_ctrl))
  8271. & PORT_HW_CFG_TX_LASER_MASK;
  8272. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  8273. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  8274. bnx2x_cl45_read(bp, phy,
  8275. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  8276. tmp2 |= 0x1000;
  8277. tmp2 &= 0xFFEF;
  8278. bnx2x_cl45_write(bp, phy,
  8279. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  8280. bnx2x_cl45_read(bp, phy,
  8281. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8282. &tmp2);
  8283. bnx2x_cl45_write(bp, phy,
  8284. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8285. (tmp2 & 0x7fff));
  8286. }
  8287. return 0;
  8288. }
  8289. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  8290. struct link_params *params)
  8291. {
  8292. struct bnx2x *bp = params->bp;
  8293. u16 mod_abs, rx_alarm_status;
  8294. u32 val = REG_RD(bp, params->shmem_base +
  8295. offsetof(struct shmem_region, dev_info.
  8296. port_feature_config[params->port].
  8297. config));
  8298. bnx2x_cl45_read(bp, phy,
  8299. MDIO_PMA_DEVAD,
  8300. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8301. if (mod_abs & (1<<8)) {
  8302. /* Module is absent */
  8303. DP(NETIF_MSG_LINK,
  8304. "MOD_ABS indication show module is absent\n");
  8305. phy->media_type = ETH_PHY_NOT_PRESENT;
  8306. /* 1. Set mod_abs to detect next module
  8307. * presence event
  8308. * 2. Set EDC off by setting OPTXLOS signal input to low
  8309. * (bit 9).
  8310. * When the EDC is off it locks onto a reference clock and
  8311. * avoids becoming 'lost'.
  8312. */
  8313. mod_abs &= ~(1<<8);
  8314. if (!(phy->flags & FLAGS_NOC))
  8315. mod_abs &= ~(1<<9);
  8316. bnx2x_cl45_write(bp, phy,
  8317. MDIO_PMA_DEVAD,
  8318. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8319. /* Clear RX alarm since it stays up as long as
  8320. * the mod_abs wasn't changed
  8321. */
  8322. bnx2x_cl45_read(bp, phy,
  8323. MDIO_PMA_DEVAD,
  8324. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8325. } else {
  8326. /* Module is present */
  8327. DP(NETIF_MSG_LINK,
  8328. "MOD_ABS indication show module is present\n");
  8329. /* First disable transmitter, and if the module is ok, the
  8330. * module_detection will enable it
  8331. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8332. * 2. Restore the default polarity of the OPRXLOS signal and
  8333. * this signal will then correctly indicate the presence or
  8334. * absence of the Rx signal. (bit 9)
  8335. */
  8336. mod_abs |= (1<<8);
  8337. if (!(phy->flags & FLAGS_NOC))
  8338. mod_abs |= (1<<9);
  8339. bnx2x_cl45_write(bp, phy,
  8340. MDIO_PMA_DEVAD,
  8341. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8342. /* Clear RX alarm since it stays up as long as the mod_abs
  8343. * wasn't changed. This is need to be done before calling the
  8344. * module detection, otherwise it will clear* the link update
  8345. * alarm
  8346. */
  8347. bnx2x_cl45_read(bp, phy,
  8348. MDIO_PMA_DEVAD,
  8349. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8350. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8351. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8352. bnx2x_sfp_set_transmitter(params, phy, 0);
  8353. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8354. bnx2x_sfp_module_detection(phy, params);
  8355. else
  8356. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8357. /* Reconfigure link speed based on module type limitations */
  8358. bnx2x_8727_config_speed(phy, params);
  8359. }
  8360. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8361. rx_alarm_status);
  8362. /* No need to check link status in case of module plugged in/out */
  8363. }
  8364. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8365. struct link_params *params,
  8366. struct link_vars *vars)
  8367. {
  8368. struct bnx2x *bp = params->bp;
  8369. u8 link_up = 0, oc_port = params->port;
  8370. u16 link_status = 0;
  8371. u16 rx_alarm_status, lasi_ctrl, val1;
  8372. /* If PHY is not initialized, do not check link status */
  8373. bnx2x_cl45_read(bp, phy,
  8374. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8375. &lasi_ctrl);
  8376. if (!lasi_ctrl)
  8377. return 0;
  8378. /* Check the LASI on Rx */
  8379. bnx2x_cl45_read(bp, phy,
  8380. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8381. &rx_alarm_status);
  8382. vars->line_speed = 0;
  8383. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8384. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8385. MDIO_PMA_LASI_TXCTRL);
  8386. bnx2x_cl45_read(bp, phy,
  8387. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8388. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8389. /* Clear MSG-OUT */
  8390. bnx2x_cl45_read(bp, phy,
  8391. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8392. /* If a module is present and there is need to check
  8393. * for over current
  8394. */
  8395. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8396. /* Check over-current using 8727 GPIO0 input*/
  8397. bnx2x_cl45_read(bp, phy,
  8398. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8399. &val1);
  8400. if ((val1 & (1<<8)) == 0) {
  8401. if (!CHIP_IS_E1x(bp))
  8402. oc_port = BP_PATH(bp) + (params->port << 1);
  8403. DP(NETIF_MSG_LINK,
  8404. "8727 Power fault has been detected on port %d\n",
  8405. oc_port);
  8406. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8407. "been detected and the power to "
  8408. "that SFP+ module has been removed "
  8409. "to prevent failure of the card. "
  8410. "Please remove the SFP+ module and "
  8411. "restart the system to clear this "
  8412. "error.\n",
  8413. oc_port);
  8414. /* Disable all RX_ALARMs except for mod_abs */
  8415. bnx2x_cl45_write(bp, phy,
  8416. MDIO_PMA_DEVAD,
  8417. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8418. bnx2x_cl45_read(bp, phy,
  8419. MDIO_PMA_DEVAD,
  8420. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8421. /* Wait for module_absent_event */
  8422. val1 |= (1<<8);
  8423. bnx2x_cl45_write(bp, phy,
  8424. MDIO_PMA_DEVAD,
  8425. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8426. /* Clear RX alarm */
  8427. bnx2x_cl45_read(bp, phy,
  8428. MDIO_PMA_DEVAD,
  8429. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8430. bnx2x_8727_power_module(params->bp, phy, 0);
  8431. return 0;
  8432. }
  8433. } /* Over current check */
  8434. /* When module absent bit is set, check module */
  8435. if (rx_alarm_status & (1<<5)) {
  8436. bnx2x_8727_handle_mod_abs(phy, params);
  8437. /* Enable all mod_abs and link detection bits */
  8438. bnx2x_cl45_write(bp, phy,
  8439. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8440. ((1<<5) | (1<<2)));
  8441. }
  8442. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  8443. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
  8444. bnx2x_sfp_set_transmitter(params, phy, 1);
  8445. } else {
  8446. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8447. return 0;
  8448. }
  8449. bnx2x_cl45_read(bp, phy,
  8450. MDIO_PMA_DEVAD,
  8451. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8452. /* Bits 0..2 --> speed detected,
  8453. * Bits 13..15--> link is down
  8454. */
  8455. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8456. link_up = 1;
  8457. vars->line_speed = SPEED_10000;
  8458. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8459. params->port);
  8460. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8461. link_up = 1;
  8462. vars->line_speed = SPEED_1000;
  8463. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8464. params->port);
  8465. } else {
  8466. link_up = 0;
  8467. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8468. params->port);
  8469. }
  8470. /* Capture 10G link fault. */
  8471. if (vars->line_speed == SPEED_10000) {
  8472. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8473. MDIO_PMA_LASI_TXSTAT, &val1);
  8474. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8475. MDIO_PMA_LASI_TXSTAT, &val1);
  8476. if (val1 & (1<<0)) {
  8477. vars->fault_detected = 1;
  8478. }
  8479. }
  8480. if (link_up) {
  8481. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8482. vars->duplex = DUPLEX_FULL;
  8483. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8484. }
  8485. if ((DUAL_MEDIA(params)) &&
  8486. (phy->req_line_speed == SPEED_1000)) {
  8487. bnx2x_cl45_read(bp, phy,
  8488. MDIO_PMA_DEVAD,
  8489. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8490. /* In case of dual-media board and 1G, power up the XAUI side,
  8491. * otherwise power it down. For 10G it is done automatically
  8492. */
  8493. if (link_up)
  8494. val1 &= ~(3<<10);
  8495. else
  8496. val1 |= (3<<10);
  8497. bnx2x_cl45_write(bp, phy,
  8498. MDIO_PMA_DEVAD,
  8499. MDIO_PMA_REG_8727_PCS_GP, val1);
  8500. }
  8501. return link_up;
  8502. }
  8503. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8504. struct link_params *params)
  8505. {
  8506. struct bnx2x *bp = params->bp;
  8507. /* Enable/Disable PHY transmitter output */
  8508. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8509. /* Disable Transmitter */
  8510. bnx2x_sfp_set_transmitter(params, phy, 0);
  8511. /* Clear LASI */
  8512. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8513. }
  8514. /******************************************************************/
  8515. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8516. /******************************************************************/
  8517. static int bnx2x_is_8483x_8485x(struct bnx2x_phy *phy)
  8518. {
  8519. return ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8520. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) ||
  8521. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858));
  8522. }
  8523. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8524. struct bnx2x *bp,
  8525. u8 port)
  8526. {
  8527. u16 val, fw_ver2, cnt, i;
  8528. static struct bnx2x_reg_set reg_set[] = {
  8529. {MDIO_PMA_DEVAD, 0xA819, 0x0014},
  8530. {MDIO_PMA_DEVAD, 0xA81A, 0xc200},
  8531. {MDIO_PMA_DEVAD, 0xA81B, 0x0000},
  8532. {MDIO_PMA_DEVAD, 0xA81C, 0x0300},
  8533. {MDIO_PMA_DEVAD, 0xA817, 0x0009}
  8534. };
  8535. u16 fw_ver1;
  8536. if (bnx2x_is_8483x_8485x(phy)) {
  8537. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8538. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858)
  8539. fw_ver1 &= 0xfff;
  8540. bnx2x_save_spirom_version(bp, port, fw_ver1, phy->ver_addr);
  8541. } else {
  8542. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8543. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8544. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  8545. bnx2x_cl45_write(bp, phy, reg_set[i].devad,
  8546. reg_set[i].reg, reg_set[i].val);
  8547. for (cnt = 0; cnt < 100; cnt++) {
  8548. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8549. if (val & 1)
  8550. break;
  8551. udelay(5);
  8552. }
  8553. if (cnt == 100) {
  8554. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8555. "phy fw version(1)\n");
  8556. bnx2x_save_spirom_version(bp, port, 0,
  8557. phy->ver_addr);
  8558. return;
  8559. }
  8560. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8561. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8562. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8563. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8564. for (cnt = 0; cnt < 100; cnt++) {
  8565. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8566. if (val & 1)
  8567. break;
  8568. udelay(5);
  8569. }
  8570. if (cnt == 100) {
  8571. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8572. "version(2)\n");
  8573. bnx2x_save_spirom_version(bp, port, 0,
  8574. phy->ver_addr);
  8575. return;
  8576. }
  8577. /* lower 16 bits of the register SPI_FW_STATUS */
  8578. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8579. /* upper 16 bits of register SPI_FW_STATUS */
  8580. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8581. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8582. phy->ver_addr);
  8583. }
  8584. }
  8585. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8586. struct bnx2x_phy *phy)
  8587. {
  8588. u16 val, led3_blink_rate, offset, i;
  8589. static struct bnx2x_reg_set reg_set[] = {
  8590. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
  8591. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
  8592. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
  8593. {MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8594. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
  8595. {MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
  8596. };
  8597. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
  8598. /* Set LED5 source */
  8599. bnx2x_cl45_write(bp, phy,
  8600. MDIO_PMA_DEVAD,
  8601. MDIO_PMA_REG_8481_LED5_MASK,
  8602. 0x90);
  8603. led3_blink_rate = 0x000f;
  8604. } else {
  8605. led3_blink_rate = 0x0000;
  8606. }
  8607. /* Set LED3 BLINK */
  8608. bnx2x_cl45_write(bp, phy,
  8609. MDIO_PMA_DEVAD,
  8610. MDIO_PMA_REG_8481_LED3_BLINK,
  8611. led3_blink_rate);
  8612. /* PHYC_CTL_LED_CTL */
  8613. bnx2x_cl45_read(bp, phy,
  8614. MDIO_PMA_DEVAD,
  8615. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8616. val &= 0xFE00;
  8617. val |= 0x0092;
  8618. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858)
  8619. val |= 2 << 12; /* LED5 ON based on source */
  8620. bnx2x_cl45_write(bp, phy,
  8621. MDIO_PMA_DEVAD,
  8622. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8623. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  8624. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  8625. reg_set[i].val);
  8626. if (bnx2x_is_8483x_8485x(phy))
  8627. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8628. else
  8629. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8630. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858)
  8631. val = MDIO_PMA_REG_84858_ALLOW_GPHY_ACT |
  8632. MDIO_PMA_REG_84823_LED3_STRETCH_EN;
  8633. else
  8634. val = MDIO_PMA_REG_84823_LED3_STRETCH_EN;
  8635. /* stretch_en for LEDs */
  8636. bnx2x_cl45_read_or_write(bp, phy,
  8637. MDIO_PMA_DEVAD,
  8638. offset,
  8639. val);
  8640. }
  8641. static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
  8642. struct link_params *params,
  8643. u32 action)
  8644. {
  8645. struct bnx2x *bp = params->bp;
  8646. switch (action) {
  8647. case PHY_INIT:
  8648. if (bnx2x_is_8483x_8485x(phy)) {
  8649. /* Save spirom version */
  8650. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8651. }
  8652. /* This phy uses the NIG latch mechanism since link indication
  8653. * arrives through its LED4 and not via its LASI signal, so we
  8654. * get steady signal instead of clear on read
  8655. */
  8656. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8657. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8658. bnx2x_848xx_set_led(bp, phy);
  8659. break;
  8660. }
  8661. }
  8662. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8663. struct link_params *params,
  8664. struct link_vars *vars)
  8665. {
  8666. struct bnx2x *bp = params->bp;
  8667. u16 autoneg_val, an_1000_val, an_10_100_val;
  8668. bnx2x_848xx_specific_func(phy, params, PHY_INIT);
  8669. bnx2x_cl45_write(bp, phy,
  8670. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8671. /* set 1000 speed advertisement */
  8672. bnx2x_cl45_read(bp, phy,
  8673. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8674. &an_1000_val);
  8675. bnx2x_ext_phy_set_pause(params, phy, vars);
  8676. bnx2x_cl45_read(bp, phy,
  8677. MDIO_AN_DEVAD,
  8678. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8679. &an_10_100_val);
  8680. bnx2x_cl45_read(bp, phy,
  8681. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8682. &autoneg_val);
  8683. /* Disable forced speed */
  8684. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8685. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8686. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8687. (phy->speed_cap_mask &
  8688. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8689. (phy->req_line_speed == SPEED_1000)) {
  8690. an_1000_val |= (1<<8);
  8691. autoneg_val |= (1<<9 | 1<<12);
  8692. if (phy->req_duplex == DUPLEX_FULL)
  8693. an_1000_val |= (1<<9);
  8694. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8695. } else
  8696. an_1000_val &= ~((1<<8) | (1<<9));
  8697. bnx2x_cl45_write(bp, phy,
  8698. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8699. an_1000_val);
  8700. /* Set 10/100 speed advertisement */
  8701. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  8702. if (phy->speed_cap_mask &
  8703. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
  8704. /* Enable autoneg and restart autoneg for legacy speeds
  8705. */
  8706. autoneg_val |= (1<<9 | 1<<12);
  8707. an_10_100_val |= (1<<8);
  8708. DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
  8709. }
  8710. if (phy->speed_cap_mask &
  8711. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
  8712. /* Enable autoneg and restart autoneg for legacy speeds
  8713. */
  8714. autoneg_val |= (1<<9 | 1<<12);
  8715. an_10_100_val |= (1<<7);
  8716. DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
  8717. }
  8718. if ((phy->speed_cap_mask &
  8719. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  8720. (phy->supported & SUPPORTED_10baseT_Full)) {
  8721. an_10_100_val |= (1<<6);
  8722. autoneg_val |= (1<<9 | 1<<12);
  8723. DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
  8724. }
  8725. if ((phy->speed_cap_mask &
  8726. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) &&
  8727. (phy->supported & SUPPORTED_10baseT_Half)) {
  8728. an_10_100_val |= (1<<5);
  8729. autoneg_val |= (1<<9 | 1<<12);
  8730. DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
  8731. }
  8732. }
  8733. /* Only 10/100 are allowed to work in FORCE mode */
  8734. if ((phy->req_line_speed == SPEED_100) &&
  8735. (phy->supported &
  8736. (SUPPORTED_100baseT_Half |
  8737. SUPPORTED_100baseT_Full))) {
  8738. autoneg_val |= (1<<13);
  8739. /* Enabled AUTO-MDIX when autoneg is disabled */
  8740. bnx2x_cl45_write(bp, phy,
  8741. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8742. (1<<15 | 1<<9 | 7<<0));
  8743. /* The PHY needs this set even for forced link. */
  8744. an_10_100_val |= (1<<8) | (1<<7);
  8745. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8746. }
  8747. if ((phy->req_line_speed == SPEED_10) &&
  8748. (phy->supported &
  8749. (SUPPORTED_10baseT_Half |
  8750. SUPPORTED_10baseT_Full))) {
  8751. /* Enabled AUTO-MDIX when autoneg is disabled */
  8752. bnx2x_cl45_write(bp, phy,
  8753. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8754. (1<<15 | 1<<9 | 7<<0));
  8755. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8756. }
  8757. bnx2x_cl45_write(bp, phy,
  8758. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8759. an_10_100_val);
  8760. if (phy->req_duplex == DUPLEX_FULL)
  8761. autoneg_val |= (1<<8);
  8762. /* Always write this if this is not 84833/4.
  8763. * For 84833/4, write it only when it's a forced speed.
  8764. */
  8765. if (!bnx2x_is_8483x_8485x(phy) ||
  8766. ((autoneg_val & (1<<12)) == 0))
  8767. bnx2x_cl45_write(bp, phy,
  8768. MDIO_AN_DEVAD,
  8769. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8770. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8771. (phy->speed_cap_mask &
  8772. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8773. (phy->req_line_speed == SPEED_10000)) {
  8774. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8775. /* Restart autoneg for 10G*/
  8776. bnx2x_cl45_read_or_write(
  8777. bp, phy,
  8778. MDIO_AN_DEVAD,
  8779. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8780. 0x1000);
  8781. bnx2x_cl45_write(bp, phy,
  8782. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8783. 0x3200);
  8784. } else
  8785. bnx2x_cl45_write(bp, phy,
  8786. MDIO_AN_DEVAD,
  8787. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8788. 1);
  8789. return 0;
  8790. }
  8791. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8792. struct link_params *params,
  8793. struct link_vars *vars)
  8794. {
  8795. struct bnx2x *bp = params->bp;
  8796. /* Restore normal power mode*/
  8797. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8798. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8799. /* HW reset */
  8800. bnx2x_ext_phy_hw_reset(bp, params->port);
  8801. bnx2x_wait_reset_complete(bp, phy, params);
  8802. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8803. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8804. }
  8805. #define PHY848xx_CMDHDLR_WAIT 300
  8806. #define PHY848xx_CMDHDLR_MAX_ARGS 5
  8807. static int bnx2x_84858_cmd_hdlr(struct bnx2x_phy *phy,
  8808. struct link_params *params,
  8809. u16 fw_cmd,
  8810. u16 cmd_args[], int argc)
  8811. {
  8812. int idx;
  8813. u16 val;
  8814. struct bnx2x *bp = params->bp;
  8815. /* Step 1: Poll the STATUS register to see whether the previous command
  8816. * is in progress or the system is busy (CMD_IN_PROGRESS or
  8817. * SYSTEM_BUSY). If previous command is in progress or system is busy,
  8818. * check again until the previous command finishes execution and the
  8819. * system is available for taking command
  8820. */
  8821. for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
  8822. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8823. MDIO_848xx_CMD_HDLR_STATUS, &val);
  8824. if ((val != PHY84858_STATUS_CMD_IN_PROGRESS) &&
  8825. (val != PHY84858_STATUS_CMD_SYSTEM_BUSY))
  8826. break;
  8827. usleep_range(1000, 2000);
  8828. }
  8829. if (idx >= PHY848xx_CMDHDLR_WAIT) {
  8830. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8831. return -EINVAL;
  8832. }
  8833. /* Step2: If any parameters are required for the function, write them
  8834. * to the required DATA registers
  8835. */
  8836. for (idx = 0; idx < argc; idx++) {
  8837. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8838. MDIO_848xx_CMD_HDLR_DATA1 + idx,
  8839. cmd_args[idx]);
  8840. }
  8841. /* Step3: When the firmware is ready for commands, write the 'Command
  8842. * code' to the CMD register
  8843. */
  8844. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8845. MDIO_848xx_CMD_HDLR_COMMAND, fw_cmd);
  8846. /* Step4: Once the command has been written, poll the STATUS register
  8847. * to check whether the command has completed (CMD_COMPLETED_PASS/
  8848. * CMD_FOR_CMDS or CMD_COMPLETED_ERROR).
  8849. */
  8850. for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
  8851. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8852. MDIO_848xx_CMD_HDLR_STATUS, &val);
  8853. if ((val == PHY84858_STATUS_CMD_COMPLETE_PASS) ||
  8854. (val == PHY84858_STATUS_CMD_COMPLETE_ERROR))
  8855. break;
  8856. usleep_range(1000, 2000);
  8857. }
  8858. if ((idx >= PHY848xx_CMDHDLR_WAIT) ||
  8859. (val == PHY84858_STATUS_CMD_COMPLETE_ERROR)) {
  8860. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8861. return -EINVAL;
  8862. }
  8863. /* Step5: Once the command has completed, read the specficied DATA
  8864. * registers for any saved results for the command, if applicable
  8865. */
  8866. /* Gather returning data */
  8867. for (idx = 0; idx < argc; idx++) {
  8868. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8869. MDIO_848xx_CMD_HDLR_DATA1 + idx,
  8870. &cmd_args[idx]);
  8871. }
  8872. return 0;
  8873. }
  8874. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8875. struct link_params *params, u16 fw_cmd,
  8876. u16 cmd_args[], int argc, int process)
  8877. {
  8878. int idx;
  8879. u16 val;
  8880. struct bnx2x *bp = params->bp;
  8881. int rc = 0;
  8882. if (process == PHY84833_MB_PROCESS2) {
  8883. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8884. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8885. MDIO_848xx_CMD_HDLR_STATUS,
  8886. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8887. }
  8888. for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
  8889. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8890. MDIO_848xx_CMD_HDLR_STATUS, &val);
  8891. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8892. break;
  8893. usleep_range(1000, 2000);
  8894. }
  8895. if (idx >= PHY848xx_CMDHDLR_WAIT) {
  8896. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8897. /* if the status is CMD_COMPLETE_PASS or CMD_COMPLETE_ERROR
  8898. * clear the status to CMD_CLEAR_COMPLETE
  8899. */
  8900. if (val == PHY84833_STATUS_CMD_COMPLETE_PASS ||
  8901. val == PHY84833_STATUS_CMD_COMPLETE_ERROR) {
  8902. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8903. MDIO_848xx_CMD_HDLR_STATUS,
  8904. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8905. }
  8906. return -EINVAL;
  8907. }
  8908. if (process == PHY84833_MB_PROCESS1 ||
  8909. process == PHY84833_MB_PROCESS2) {
  8910. /* Prepare argument(s) */
  8911. for (idx = 0; idx < argc; idx++) {
  8912. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8913. MDIO_848xx_CMD_HDLR_DATA1 + idx,
  8914. cmd_args[idx]);
  8915. }
  8916. }
  8917. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8918. MDIO_848xx_CMD_HDLR_COMMAND, fw_cmd);
  8919. for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
  8920. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8921. MDIO_848xx_CMD_HDLR_STATUS, &val);
  8922. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8923. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8924. break;
  8925. usleep_range(1000, 2000);
  8926. }
  8927. if ((idx >= PHY848xx_CMDHDLR_WAIT) ||
  8928. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8929. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8930. rc = -EINVAL;
  8931. }
  8932. if (process == PHY84833_MB_PROCESS3 && rc == 0) {
  8933. /* Gather returning data */
  8934. for (idx = 0; idx < argc; idx++) {
  8935. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8936. MDIO_848xx_CMD_HDLR_DATA1 + idx,
  8937. &cmd_args[idx]);
  8938. }
  8939. }
  8940. if (val == PHY84833_STATUS_CMD_COMPLETE_ERROR ||
  8941. val == PHY84833_STATUS_CMD_COMPLETE_PASS) {
  8942. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8943. MDIO_848xx_CMD_HDLR_STATUS,
  8944. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8945. }
  8946. return rc;
  8947. }
  8948. static int bnx2x_848xx_cmd_hdlr(struct bnx2x_phy *phy,
  8949. struct link_params *params,
  8950. u16 fw_cmd,
  8951. u16 cmd_args[], int argc,
  8952. int process)
  8953. {
  8954. struct bnx2x *bp = params->bp;
  8955. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) ||
  8956. (REG_RD(bp, params->shmem2_base +
  8957. offsetof(struct shmem2_region,
  8958. link_attr_sync[params->port])) &
  8959. LINK_ATTR_84858)) {
  8960. return bnx2x_84858_cmd_hdlr(phy, params, fw_cmd, cmd_args,
  8961. argc);
  8962. } else {
  8963. return bnx2x_84833_cmd_hdlr(phy, params, fw_cmd, cmd_args,
  8964. argc, process);
  8965. }
  8966. }
  8967. static int bnx2x_848xx_pair_swap_cfg(struct bnx2x_phy *phy,
  8968. struct link_params *params,
  8969. struct link_vars *vars)
  8970. {
  8971. u32 pair_swap;
  8972. u16 data[PHY848xx_CMDHDLR_MAX_ARGS];
  8973. int status;
  8974. struct bnx2x *bp = params->bp;
  8975. /* Check for configuration. */
  8976. pair_swap = REG_RD(bp, params->shmem_base +
  8977. offsetof(struct shmem_region,
  8978. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8979. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8980. if (pair_swap == 0)
  8981. return 0;
  8982. /* Only the second argument is used for this command */
  8983. data[1] = (u16)pair_swap;
  8984. status = bnx2x_848xx_cmd_hdlr(phy, params,
  8985. PHY848xx_CMD_SET_PAIR_SWAP, data,
  8986. 2, PHY84833_MB_PROCESS2);
  8987. if (status == 0)
  8988. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8989. return status;
  8990. }
  8991. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8992. u32 shmem_base_path[],
  8993. u32 chip_id)
  8994. {
  8995. u32 reset_pin[2];
  8996. u32 idx;
  8997. u8 reset_gpios;
  8998. if (CHIP_IS_E3(bp)) {
  8999. /* Assume that these will be GPIOs, not EPIOs. */
  9000. for (idx = 0; idx < 2; idx++) {
  9001. /* Map config param to register bit. */
  9002. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  9003. offsetof(struct shmem_region,
  9004. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  9005. reset_pin[idx] = (reset_pin[idx] &
  9006. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9007. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9008. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  9009. reset_pin[idx] = (1 << reset_pin[idx]);
  9010. }
  9011. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  9012. } else {
  9013. /* E2, look from diff place of shmem. */
  9014. for (idx = 0; idx < 2; idx++) {
  9015. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  9016. offsetof(struct shmem_region,
  9017. dev_info.port_hw_config[0].default_cfg));
  9018. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  9019. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  9020. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  9021. reset_pin[idx] = (1 << reset_pin[idx]);
  9022. }
  9023. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  9024. }
  9025. return reset_gpios;
  9026. }
  9027. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  9028. struct link_params *params)
  9029. {
  9030. struct bnx2x *bp = params->bp;
  9031. u8 reset_gpios;
  9032. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  9033. offsetof(struct shmem2_region,
  9034. other_shmem_base_addr));
  9035. u32 shmem_base_path[2];
  9036. /* Work around for 84833 LED failure inside RESET status */
  9037. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9038. MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  9039. MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
  9040. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9041. MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
  9042. MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
  9043. shmem_base_path[0] = params->shmem_base;
  9044. shmem_base_path[1] = other_shmem_base_addr;
  9045. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  9046. params->chip_id);
  9047. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  9048. udelay(10);
  9049. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  9050. reset_gpios);
  9051. return 0;
  9052. }
  9053. static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
  9054. struct link_params *params,
  9055. struct link_vars *vars)
  9056. {
  9057. int rc;
  9058. struct bnx2x *bp = params->bp;
  9059. u16 cmd_args = 0;
  9060. DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
  9061. /* Prevent Phy from working in EEE and advertising it */
  9062. rc = bnx2x_848xx_cmd_hdlr(phy, params, PHY848xx_CMD_SET_EEE_MODE,
  9063. &cmd_args, 1, PHY84833_MB_PROCESS1);
  9064. if (rc) {
  9065. DP(NETIF_MSG_LINK, "EEE disable failed.\n");
  9066. return rc;
  9067. }
  9068. return bnx2x_eee_disable(phy, params, vars);
  9069. }
  9070. static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
  9071. struct link_params *params,
  9072. struct link_vars *vars)
  9073. {
  9074. int rc;
  9075. struct bnx2x *bp = params->bp;
  9076. u16 cmd_args = 1;
  9077. rc = bnx2x_848xx_cmd_hdlr(phy, params, PHY848xx_CMD_SET_EEE_MODE,
  9078. &cmd_args, 1, PHY84833_MB_PROCESS1);
  9079. if (rc) {
  9080. DP(NETIF_MSG_LINK, "EEE enable failed.\n");
  9081. return rc;
  9082. }
  9083. return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
  9084. }
  9085. #define PHY84833_CONSTANT_LATENCY 1193
  9086. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  9087. struct link_params *params,
  9088. struct link_vars *vars)
  9089. {
  9090. struct bnx2x *bp = params->bp;
  9091. u8 port, initialize = 1;
  9092. u16 val;
  9093. u32 actual_phy_selection;
  9094. u16 cmd_args[PHY848xx_CMDHDLR_MAX_ARGS];
  9095. int rc = 0;
  9096. usleep_range(1000, 2000);
  9097. if (!(CHIP_IS_E1x(bp)))
  9098. port = BP_PATH(bp);
  9099. else
  9100. port = params->port;
  9101. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9102. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  9103. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  9104. port);
  9105. } else {
  9106. /* MDIO reset */
  9107. bnx2x_cl45_write(bp, phy,
  9108. MDIO_PMA_DEVAD,
  9109. MDIO_PMA_REG_CTRL, 0x8000);
  9110. }
  9111. bnx2x_wait_reset_complete(bp, phy, params);
  9112. /* Wait for GPHY to come out of reset */
  9113. msleep(50);
  9114. if (!bnx2x_is_8483x_8485x(phy)) {
  9115. /* BCM84823 requires that XGXS links up first @ 10G for normal
  9116. * behavior.
  9117. */
  9118. u16 temp;
  9119. temp = vars->line_speed;
  9120. vars->line_speed = SPEED_10000;
  9121. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  9122. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  9123. vars->line_speed = temp;
  9124. }
  9125. /* Check if this is actually BCM84858 */
  9126. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
  9127. u16 hw_rev;
  9128. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9129. MDIO_AN_REG_848xx_ID_MSB, &hw_rev);
  9130. if (hw_rev == BCM84858_PHY_ID) {
  9131. params->link_attr_sync |= LINK_ATTR_84858;
  9132. bnx2x_update_link_attr(params, params->link_attr_sync);
  9133. }
  9134. }
  9135. /* Set dual-media configuration according to configuration */
  9136. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  9137. MDIO_CTL_REG_84823_MEDIA, &val);
  9138. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  9139. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  9140. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  9141. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  9142. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  9143. if (CHIP_IS_E3(bp)) {
  9144. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  9145. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  9146. } else {
  9147. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  9148. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  9149. }
  9150. actual_phy_selection = bnx2x_phy_selection(params);
  9151. switch (actual_phy_selection) {
  9152. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  9153. /* Do nothing. Essentially this is like the priority copper */
  9154. break;
  9155. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  9156. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  9157. break;
  9158. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  9159. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  9160. break;
  9161. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  9162. /* Do nothing here. The first PHY won't be initialized at all */
  9163. break;
  9164. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  9165. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  9166. initialize = 0;
  9167. break;
  9168. }
  9169. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  9170. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  9171. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  9172. MDIO_CTL_REG_84823_MEDIA, val);
  9173. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  9174. params->multi_phy_config, val);
  9175. if (bnx2x_is_8483x_8485x(phy)) {
  9176. bnx2x_848xx_pair_swap_cfg(phy, params, vars);
  9177. /* Keep AutogrEEEn disabled. */
  9178. cmd_args[0] = 0x0;
  9179. cmd_args[1] = 0x0;
  9180. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  9181. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  9182. rc = bnx2x_848xx_cmd_hdlr(phy, params,
  9183. PHY848xx_CMD_SET_EEE_MODE, cmd_args,
  9184. 4, PHY84833_MB_PROCESS1);
  9185. if (rc)
  9186. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  9187. }
  9188. if (initialize)
  9189. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  9190. else
  9191. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  9192. /* 84833 PHY has a better feature and doesn't need to support this. */
  9193. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9194. u32 cms_enable = REG_RD(bp, params->shmem_base +
  9195. offsetof(struct shmem_region,
  9196. dev_info.port_hw_config[params->port].default_cfg)) &
  9197. PORT_HW_CFG_ENABLE_CMS_MASK;
  9198. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  9199. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  9200. if (cms_enable)
  9201. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  9202. else
  9203. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  9204. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  9205. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  9206. }
  9207. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  9208. MDIO_84833_TOP_CFG_FW_REV, &val);
  9209. /* Configure EEE support */
  9210. if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
  9211. (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
  9212. bnx2x_eee_has_cap(params)) {
  9213. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
  9214. if (rc) {
  9215. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  9216. bnx2x_8483x_disable_eee(phy, params, vars);
  9217. return rc;
  9218. }
  9219. if ((phy->req_duplex == DUPLEX_FULL) &&
  9220. (params->eee_mode & EEE_MODE_ADV_LPI) &&
  9221. (bnx2x_eee_calc_timer(params) ||
  9222. !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
  9223. rc = bnx2x_8483x_enable_eee(phy, params, vars);
  9224. else
  9225. rc = bnx2x_8483x_disable_eee(phy, params, vars);
  9226. if (rc) {
  9227. DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
  9228. return rc;
  9229. }
  9230. } else {
  9231. vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
  9232. }
  9233. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  9234. /* Additional settings for jumbo packets in 1000BASE-T mode */
  9235. /* Allow rx extended length */
  9236. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9237. MDIO_AN_REG_8481_AUX_CTRL, &val);
  9238. val |= 0x4000;
  9239. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9240. MDIO_AN_REG_8481_AUX_CTRL, val);
  9241. /* TX FIFO Elasticity LSB */
  9242. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9243. MDIO_AN_REG_8481_1G_100T_EXT_CTRL, &val);
  9244. val |= 0x1;
  9245. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9246. MDIO_AN_REG_8481_1G_100T_EXT_CTRL, val);
  9247. /* TX FIFO Elasticity MSB */
  9248. /* Enable expansion register 0x46 (Pattern Generator status) */
  9249. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9250. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf46);
  9251. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9252. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW, &val);
  9253. val |= 0x4000;
  9254. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9255. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW, val);
  9256. }
  9257. if (bnx2x_is_8483x_8485x(phy)) {
  9258. /* Bring PHY out of super isolate mode as the final step. */
  9259. bnx2x_cl45_read_and_write(bp, phy,
  9260. MDIO_CTL_DEVAD,
  9261. MDIO_84833_TOP_CFG_XGPHY_STRAP1,
  9262. (u16)~MDIO_84833_SUPER_ISOLATE);
  9263. }
  9264. return rc;
  9265. }
  9266. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  9267. struct link_params *params,
  9268. struct link_vars *vars)
  9269. {
  9270. struct bnx2x *bp = params->bp;
  9271. u16 val, val1, val2;
  9272. u8 link_up = 0;
  9273. /* Check 10G-BaseT link status */
  9274. /* Check PMD signal ok */
  9275. bnx2x_cl45_read(bp, phy,
  9276. MDIO_AN_DEVAD, 0xFFFA, &val1);
  9277. bnx2x_cl45_read(bp, phy,
  9278. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  9279. &val2);
  9280. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  9281. /* Check link 10G */
  9282. if (val2 & (1<<11)) {
  9283. vars->line_speed = SPEED_10000;
  9284. vars->duplex = DUPLEX_FULL;
  9285. link_up = 1;
  9286. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9287. } else { /* Check Legacy speed link */
  9288. u16 legacy_status, legacy_speed;
  9289. /* Enable expansion register 0x42 (Operation mode status) */
  9290. bnx2x_cl45_write(bp, phy,
  9291. MDIO_AN_DEVAD,
  9292. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  9293. /* Get legacy speed operation status */
  9294. bnx2x_cl45_read(bp, phy,
  9295. MDIO_AN_DEVAD,
  9296. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  9297. &legacy_status);
  9298. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  9299. legacy_status);
  9300. link_up = ((legacy_status & (1<<11)) == (1<<11));
  9301. legacy_speed = (legacy_status & (3<<9));
  9302. if (legacy_speed == (0<<9))
  9303. vars->line_speed = SPEED_10;
  9304. else if (legacy_speed == (1<<9))
  9305. vars->line_speed = SPEED_100;
  9306. else if (legacy_speed == (2<<9))
  9307. vars->line_speed = SPEED_1000;
  9308. else { /* Should not happen: Treat as link down */
  9309. vars->line_speed = 0;
  9310. link_up = 0;
  9311. }
  9312. if (link_up) {
  9313. if (legacy_status & (1<<8))
  9314. vars->duplex = DUPLEX_FULL;
  9315. else
  9316. vars->duplex = DUPLEX_HALF;
  9317. DP(NETIF_MSG_LINK,
  9318. "Link is up in %dMbps, is_duplex_full= %d\n",
  9319. vars->line_speed,
  9320. (vars->duplex == DUPLEX_FULL));
  9321. /* Check legacy speed AN resolution */
  9322. bnx2x_cl45_read(bp, phy,
  9323. MDIO_AN_DEVAD,
  9324. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  9325. &val);
  9326. if (val & (1<<5))
  9327. vars->link_status |=
  9328. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9329. bnx2x_cl45_read(bp, phy,
  9330. MDIO_AN_DEVAD,
  9331. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  9332. &val);
  9333. if ((val & (1<<0)) == 0)
  9334. vars->link_status |=
  9335. LINK_STATUS_PARALLEL_DETECTION_USED;
  9336. }
  9337. }
  9338. if (link_up) {
  9339. DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
  9340. vars->line_speed);
  9341. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9342. /* Read LP advertised speeds */
  9343. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9344. MDIO_AN_REG_CL37_FC_LP, &val);
  9345. if (val & (1<<5))
  9346. vars->link_status |=
  9347. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9348. if (val & (1<<6))
  9349. vars->link_status |=
  9350. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9351. if (val & (1<<7))
  9352. vars->link_status |=
  9353. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9354. if (val & (1<<8))
  9355. vars->link_status |=
  9356. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9357. if (val & (1<<9))
  9358. vars->link_status |=
  9359. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9360. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9361. MDIO_AN_REG_1000T_STATUS, &val);
  9362. if (val & (1<<10))
  9363. vars->link_status |=
  9364. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9365. if (val & (1<<11))
  9366. vars->link_status |=
  9367. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9368. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9369. MDIO_AN_REG_MASTER_STATUS, &val);
  9370. if (val & (1<<11))
  9371. vars->link_status |=
  9372. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9373. /* Determine if EEE was negotiated */
  9374. if (bnx2x_is_8483x_8485x(phy))
  9375. bnx2x_eee_an_resolve(phy, params, vars);
  9376. }
  9377. return link_up;
  9378. }
  9379. static int bnx2x_8485x_format_ver(u32 raw_ver, u8 *str, u16 *len)
  9380. {
  9381. u32 num;
  9382. num = ((raw_ver & 0xF80) >> 7) << 16 | ((raw_ver & 0x7F) << 8) |
  9383. ((raw_ver & 0xF000) >> 12);
  9384. return bnx2x_3_seq_format_ver(num, str, len);
  9385. }
  9386. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  9387. {
  9388. u32 spirom_ver;
  9389. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  9390. return bnx2x_format_ver(spirom_ver, str, len);
  9391. }
  9392. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  9393. struct link_params *params)
  9394. {
  9395. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9396. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  9397. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9398. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  9399. }
  9400. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  9401. struct link_params *params)
  9402. {
  9403. bnx2x_cl45_write(params->bp, phy,
  9404. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  9405. bnx2x_cl45_write(params->bp, phy,
  9406. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  9407. }
  9408. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  9409. struct link_params *params)
  9410. {
  9411. struct bnx2x *bp = params->bp;
  9412. u8 port;
  9413. u16 val16;
  9414. if (!(CHIP_IS_E1x(bp)))
  9415. port = BP_PATH(bp);
  9416. else
  9417. port = params->port;
  9418. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9419. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  9420. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  9421. port);
  9422. } else {
  9423. bnx2x_cl45_read(bp, phy,
  9424. MDIO_CTL_DEVAD,
  9425. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  9426. val16 |= MDIO_84833_SUPER_ISOLATE;
  9427. bnx2x_cl45_write(bp, phy,
  9428. MDIO_CTL_DEVAD,
  9429. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  9430. }
  9431. }
  9432. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  9433. struct link_params *params, u8 mode)
  9434. {
  9435. struct bnx2x *bp = params->bp;
  9436. u16 val;
  9437. u8 port;
  9438. if (!(CHIP_IS_E1x(bp)))
  9439. port = BP_PATH(bp);
  9440. else
  9441. port = params->port;
  9442. switch (mode) {
  9443. case LED_MODE_OFF:
  9444. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  9445. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9446. SHARED_HW_CFG_LED_EXTPHY1) {
  9447. /* Set LED masks */
  9448. bnx2x_cl45_write(bp, phy,
  9449. MDIO_PMA_DEVAD,
  9450. MDIO_PMA_REG_8481_LED1_MASK,
  9451. 0x0);
  9452. bnx2x_cl45_write(bp, phy,
  9453. MDIO_PMA_DEVAD,
  9454. MDIO_PMA_REG_8481_LED2_MASK,
  9455. 0x0);
  9456. bnx2x_cl45_write(bp, phy,
  9457. MDIO_PMA_DEVAD,
  9458. MDIO_PMA_REG_8481_LED3_MASK,
  9459. 0x0);
  9460. bnx2x_cl45_write(bp, phy,
  9461. MDIO_PMA_DEVAD,
  9462. MDIO_PMA_REG_8481_LED5_MASK,
  9463. 0x0);
  9464. } else {
  9465. /* LED 1 OFF */
  9466. bnx2x_cl45_write(bp, phy,
  9467. MDIO_PMA_DEVAD,
  9468. MDIO_PMA_REG_8481_LED1_MASK,
  9469. 0x0);
  9470. if (phy->type ==
  9471. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
  9472. /* LED 2 OFF */
  9473. bnx2x_cl45_write(bp, phy,
  9474. MDIO_PMA_DEVAD,
  9475. MDIO_PMA_REG_8481_LED2_MASK,
  9476. 0x0);
  9477. /* LED 3 OFF */
  9478. bnx2x_cl45_write(bp, phy,
  9479. MDIO_PMA_DEVAD,
  9480. MDIO_PMA_REG_8481_LED3_MASK,
  9481. 0x0);
  9482. }
  9483. }
  9484. break;
  9485. case LED_MODE_FRONT_PANEL_OFF:
  9486. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  9487. port);
  9488. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9489. SHARED_HW_CFG_LED_EXTPHY1) {
  9490. /* Set LED masks */
  9491. bnx2x_cl45_write(bp, phy,
  9492. MDIO_PMA_DEVAD,
  9493. MDIO_PMA_REG_8481_LED1_MASK,
  9494. 0x0);
  9495. bnx2x_cl45_write(bp, phy,
  9496. MDIO_PMA_DEVAD,
  9497. MDIO_PMA_REG_8481_LED2_MASK,
  9498. 0x0);
  9499. bnx2x_cl45_write(bp, phy,
  9500. MDIO_PMA_DEVAD,
  9501. MDIO_PMA_REG_8481_LED3_MASK,
  9502. 0x0);
  9503. bnx2x_cl45_write(bp, phy,
  9504. MDIO_PMA_DEVAD,
  9505. MDIO_PMA_REG_8481_LED5_MASK,
  9506. 0x20);
  9507. } else {
  9508. bnx2x_cl45_write(bp, phy,
  9509. MDIO_PMA_DEVAD,
  9510. MDIO_PMA_REG_8481_LED1_MASK,
  9511. 0x0);
  9512. if (phy->type ==
  9513. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9514. /* Disable MI_INT interrupt before setting LED4
  9515. * source to constant off.
  9516. */
  9517. if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  9518. params->port*4) &
  9519. NIG_MASK_MI_INT) {
  9520. params->link_flags |=
  9521. LINK_FLAGS_INT_DISABLED;
  9522. bnx2x_bits_dis(
  9523. bp,
  9524. NIG_REG_MASK_INTERRUPT_PORT0 +
  9525. params->port*4,
  9526. NIG_MASK_MI_INT);
  9527. }
  9528. bnx2x_cl45_write(bp, phy,
  9529. MDIO_PMA_DEVAD,
  9530. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9531. 0x0);
  9532. }
  9533. if (phy->type ==
  9534. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
  9535. /* LED 2 OFF */
  9536. bnx2x_cl45_write(bp, phy,
  9537. MDIO_PMA_DEVAD,
  9538. MDIO_PMA_REG_8481_LED2_MASK,
  9539. 0x0);
  9540. /* LED 3 OFF */
  9541. bnx2x_cl45_write(bp, phy,
  9542. MDIO_PMA_DEVAD,
  9543. MDIO_PMA_REG_8481_LED3_MASK,
  9544. 0x0);
  9545. }
  9546. }
  9547. break;
  9548. case LED_MODE_ON:
  9549. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  9550. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9551. SHARED_HW_CFG_LED_EXTPHY1) {
  9552. /* Set control reg */
  9553. bnx2x_cl45_read(bp, phy,
  9554. MDIO_PMA_DEVAD,
  9555. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9556. &val);
  9557. val &= 0x8000;
  9558. val |= 0x2492;
  9559. bnx2x_cl45_write(bp, phy,
  9560. MDIO_PMA_DEVAD,
  9561. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9562. val);
  9563. /* Set LED masks */
  9564. bnx2x_cl45_write(bp, phy,
  9565. MDIO_PMA_DEVAD,
  9566. MDIO_PMA_REG_8481_LED1_MASK,
  9567. 0x0);
  9568. bnx2x_cl45_write(bp, phy,
  9569. MDIO_PMA_DEVAD,
  9570. MDIO_PMA_REG_8481_LED2_MASK,
  9571. 0x20);
  9572. bnx2x_cl45_write(bp, phy,
  9573. MDIO_PMA_DEVAD,
  9574. MDIO_PMA_REG_8481_LED3_MASK,
  9575. 0x20);
  9576. bnx2x_cl45_write(bp, phy,
  9577. MDIO_PMA_DEVAD,
  9578. MDIO_PMA_REG_8481_LED5_MASK,
  9579. 0x0);
  9580. } else {
  9581. bnx2x_cl45_write(bp, phy,
  9582. MDIO_PMA_DEVAD,
  9583. MDIO_PMA_REG_8481_LED1_MASK,
  9584. 0x20);
  9585. if (phy->type ==
  9586. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9587. /* Disable MI_INT interrupt before setting LED4
  9588. * source to constant on.
  9589. */
  9590. if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  9591. params->port*4) &
  9592. NIG_MASK_MI_INT) {
  9593. params->link_flags |=
  9594. LINK_FLAGS_INT_DISABLED;
  9595. bnx2x_bits_dis(
  9596. bp,
  9597. NIG_REG_MASK_INTERRUPT_PORT0 +
  9598. params->port*4,
  9599. NIG_MASK_MI_INT);
  9600. }
  9601. }
  9602. if (phy->type ==
  9603. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
  9604. /* Tell LED3 to constant on */
  9605. bnx2x_cl45_read(bp, phy,
  9606. MDIO_PMA_DEVAD,
  9607. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9608. &val);
  9609. val &= ~(7<<6);
  9610. val |= (2<<6); /* A83B[8:6]= 2 */
  9611. bnx2x_cl45_write(bp, phy,
  9612. MDIO_PMA_DEVAD,
  9613. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9614. val);
  9615. bnx2x_cl45_write(bp, phy,
  9616. MDIO_PMA_DEVAD,
  9617. MDIO_PMA_REG_8481_LED3_MASK,
  9618. 0x20);
  9619. } else {
  9620. bnx2x_cl45_write(bp, phy,
  9621. MDIO_PMA_DEVAD,
  9622. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9623. 0x20);
  9624. }
  9625. }
  9626. break;
  9627. case LED_MODE_OPER:
  9628. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  9629. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9630. SHARED_HW_CFG_LED_EXTPHY1) {
  9631. /* Set control reg */
  9632. bnx2x_cl45_read(bp, phy,
  9633. MDIO_PMA_DEVAD,
  9634. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9635. &val);
  9636. if (!((val &
  9637. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  9638. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  9639. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  9640. bnx2x_cl45_write(bp, phy,
  9641. MDIO_PMA_DEVAD,
  9642. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9643. 0xa492);
  9644. }
  9645. /* Set LED masks */
  9646. bnx2x_cl45_write(bp, phy,
  9647. MDIO_PMA_DEVAD,
  9648. MDIO_PMA_REG_8481_LED1_MASK,
  9649. 0x10);
  9650. bnx2x_cl45_write(bp, phy,
  9651. MDIO_PMA_DEVAD,
  9652. MDIO_PMA_REG_8481_LED2_MASK,
  9653. 0x80);
  9654. bnx2x_cl45_write(bp, phy,
  9655. MDIO_PMA_DEVAD,
  9656. MDIO_PMA_REG_8481_LED3_MASK,
  9657. 0x98);
  9658. bnx2x_cl45_write(bp, phy,
  9659. MDIO_PMA_DEVAD,
  9660. MDIO_PMA_REG_8481_LED5_MASK,
  9661. 0x40);
  9662. } else {
  9663. /* EXTPHY2 LED mode indicate that the 100M/1G/10G LED
  9664. * sources are all wired through LED1, rather than only
  9665. * 10G in other modes.
  9666. */
  9667. val = ((params->hw_led_mode <<
  9668. SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9669. SHARED_HW_CFG_LED_EXTPHY2) ? 0x98 : 0x80;
  9670. bnx2x_cl45_write(bp, phy,
  9671. MDIO_PMA_DEVAD,
  9672. MDIO_PMA_REG_8481_LED1_MASK,
  9673. val);
  9674. /* Tell LED3 to blink on source */
  9675. bnx2x_cl45_read(bp, phy,
  9676. MDIO_PMA_DEVAD,
  9677. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9678. &val);
  9679. val &= ~(7<<6);
  9680. val |= (1<<6); /* A83B[8:6]= 1 */
  9681. bnx2x_cl45_write(bp, phy,
  9682. MDIO_PMA_DEVAD,
  9683. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9684. val);
  9685. if (phy->type ==
  9686. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
  9687. bnx2x_cl45_write(bp, phy,
  9688. MDIO_PMA_DEVAD,
  9689. MDIO_PMA_REG_8481_LED2_MASK,
  9690. 0x18);
  9691. bnx2x_cl45_write(bp, phy,
  9692. MDIO_PMA_DEVAD,
  9693. MDIO_PMA_REG_8481_LED3_MASK,
  9694. 0x06);
  9695. }
  9696. if (phy->type ==
  9697. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9698. /* Restore LED4 source to external link,
  9699. * and re-enable interrupts.
  9700. */
  9701. bnx2x_cl45_write(bp, phy,
  9702. MDIO_PMA_DEVAD,
  9703. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9704. 0x40);
  9705. if (params->link_flags &
  9706. LINK_FLAGS_INT_DISABLED) {
  9707. bnx2x_link_int_enable(params);
  9708. params->link_flags &=
  9709. ~LINK_FLAGS_INT_DISABLED;
  9710. }
  9711. }
  9712. }
  9713. break;
  9714. }
  9715. /* This is a workaround for E3+84833 until autoneg
  9716. * restart is fixed in f/w
  9717. */
  9718. if (CHIP_IS_E3(bp)) {
  9719. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9720. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9721. }
  9722. }
  9723. /******************************************************************/
  9724. /* 54618SE PHY SECTION */
  9725. /******************************************************************/
  9726. static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
  9727. struct link_params *params,
  9728. u32 action)
  9729. {
  9730. struct bnx2x *bp = params->bp;
  9731. u16 temp;
  9732. switch (action) {
  9733. case PHY_INIT:
  9734. /* Configure LED4: set to INTR (0x6). */
  9735. /* Accessing shadow register 0xe. */
  9736. bnx2x_cl22_write(bp, phy,
  9737. MDIO_REG_GPHY_SHADOW,
  9738. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9739. bnx2x_cl22_read(bp, phy,
  9740. MDIO_REG_GPHY_SHADOW,
  9741. &temp);
  9742. temp &= ~(0xf << 4);
  9743. temp |= (0x6 << 4);
  9744. bnx2x_cl22_write(bp, phy,
  9745. MDIO_REG_GPHY_SHADOW,
  9746. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9747. /* Configure INTR based on link status change. */
  9748. bnx2x_cl22_write(bp, phy,
  9749. MDIO_REG_INTR_MASK,
  9750. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9751. break;
  9752. }
  9753. }
  9754. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9755. struct link_params *params,
  9756. struct link_vars *vars)
  9757. {
  9758. struct bnx2x *bp = params->bp;
  9759. u8 port;
  9760. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9761. u32 cfg_pin;
  9762. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9763. usleep_range(1000, 2000);
  9764. /* This works with E3 only, no need to check the chip
  9765. * before determining the port.
  9766. */
  9767. port = params->port;
  9768. cfg_pin = (REG_RD(bp, params->shmem_base +
  9769. offsetof(struct shmem_region,
  9770. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9771. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9772. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9773. /* Drive pin high to bring the GPHY out of reset. */
  9774. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9775. /* wait for GPHY to reset */
  9776. msleep(50);
  9777. /* reset phy */
  9778. bnx2x_cl22_write(bp, phy,
  9779. MDIO_PMA_REG_CTRL, 0x8000);
  9780. bnx2x_wait_reset_complete(bp, phy, params);
  9781. /* Wait for GPHY to reset */
  9782. msleep(50);
  9783. bnx2x_54618se_specific_func(phy, params, PHY_INIT);
  9784. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9785. bnx2x_cl22_write(bp, phy,
  9786. MDIO_REG_GPHY_SHADOW,
  9787. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9788. bnx2x_cl22_read(bp, phy,
  9789. MDIO_REG_GPHY_SHADOW,
  9790. &temp);
  9791. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9792. bnx2x_cl22_write(bp, phy,
  9793. MDIO_REG_GPHY_SHADOW,
  9794. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9795. /* Set up fc */
  9796. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9797. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9798. fc_val = 0;
  9799. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9800. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9801. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9802. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9803. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9804. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9805. /* Read all advertisement */
  9806. bnx2x_cl22_read(bp, phy,
  9807. 0x09,
  9808. &an_1000_val);
  9809. bnx2x_cl22_read(bp, phy,
  9810. 0x04,
  9811. &an_10_100_val);
  9812. bnx2x_cl22_read(bp, phy,
  9813. MDIO_PMA_REG_CTRL,
  9814. &autoneg_val);
  9815. /* Disable forced speed */
  9816. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9817. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9818. (1<<11));
  9819. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9820. (phy->speed_cap_mask &
  9821. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9822. (phy->req_line_speed == SPEED_1000)) {
  9823. an_1000_val |= (1<<8);
  9824. autoneg_val |= (1<<9 | 1<<12);
  9825. if (phy->req_duplex == DUPLEX_FULL)
  9826. an_1000_val |= (1<<9);
  9827. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9828. } else
  9829. an_1000_val &= ~((1<<8) | (1<<9));
  9830. bnx2x_cl22_write(bp, phy,
  9831. 0x09,
  9832. an_1000_val);
  9833. bnx2x_cl22_read(bp, phy,
  9834. 0x09,
  9835. &an_1000_val);
  9836. /* Advertise 10/100 link speed */
  9837. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  9838. if (phy->speed_cap_mask &
  9839. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) {
  9840. an_10_100_val |= (1<<5);
  9841. autoneg_val |= (1<<9 | 1<<12);
  9842. DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
  9843. }
  9844. if (phy->speed_cap_mask &
  9845. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) {
  9846. an_10_100_val |= (1<<6);
  9847. autoneg_val |= (1<<9 | 1<<12);
  9848. DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
  9849. }
  9850. if (phy->speed_cap_mask &
  9851. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
  9852. an_10_100_val |= (1<<7);
  9853. autoneg_val |= (1<<9 | 1<<12);
  9854. DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
  9855. }
  9856. if (phy->speed_cap_mask &
  9857. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
  9858. an_10_100_val |= (1<<8);
  9859. autoneg_val |= (1<<9 | 1<<12);
  9860. DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
  9861. }
  9862. }
  9863. /* Only 10/100 are allowed to work in FORCE mode */
  9864. if (phy->req_line_speed == SPEED_100) {
  9865. autoneg_val |= (1<<13);
  9866. /* Enabled AUTO-MDIX when autoneg is disabled */
  9867. bnx2x_cl22_write(bp, phy,
  9868. 0x18,
  9869. (1<<15 | 1<<9 | 7<<0));
  9870. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9871. }
  9872. if (phy->req_line_speed == SPEED_10) {
  9873. /* Enabled AUTO-MDIX when autoneg is disabled */
  9874. bnx2x_cl22_write(bp, phy,
  9875. 0x18,
  9876. (1<<15 | 1<<9 | 7<<0));
  9877. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9878. }
  9879. if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
  9880. int rc;
  9881. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
  9882. MDIO_REG_GPHY_EXP_ACCESS_TOP |
  9883. MDIO_REG_GPHY_EXP_TOP_2K_BUF);
  9884. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
  9885. temp &= 0xfffe;
  9886. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
  9887. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
  9888. if (rc) {
  9889. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  9890. bnx2x_eee_disable(phy, params, vars);
  9891. } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
  9892. (phy->req_duplex == DUPLEX_FULL) &&
  9893. (bnx2x_eee_calc_timer(params) ||
  9894. !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
  9895. /* Need to advertise EEE only when requested,
  9896. * and either no LPI assertion was requested,
  9897. * or it was requested and a valid timer was set.
  9898. * Also notice full duplex is required for EEE.
  9899. */
  9900. bnx2x_eee_advertise(phy, params, vars,
  9901. SHMEM_EEE_1G_ADV);
  9902. } else {
  9903. DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
  9904. bnx2x_eee_disable(phy, params, vars);
  9905. }
  9906. } else {
  9907. vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
  9908. SHMEM_EEE_SUPPORTED_SHIFT;
  9909. if (phy->flags & FLAGS_EEE) {
  9910. /* Handle legacy auto-grEEEn */
  9911. if (params->feature_config_flags &
  9912. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9913. temp = 6;
  9914. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9915. } else {
  9916. temp = 0;
  9917. DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
  9918. }
  9919. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9920. MDIO_AN_REG_EEE_ADV, temp);
  9921. }
  9922. }
  9923. bnx2x_cl22_write(bp, phy,
  9924. 0x04,
  9925. an_10_100_val | fc_val);
  9926. if (phy->req_duplex == DUPLEX_FULL)
  9927. autoneg_val |= (1<<8);
  9928. bnx2x_cl22_write(bp, phy,
  9929. MDIO_PMA_REG_CTRL, autoneg_val);
  9930. return 0;
  9931. }
  9932. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9933. struct link_params *params, u8 mode)
  9934. {
  9935. struct bnx2x *bp = params->bp;
  9936. u16 temp;
  9937. bnx2x_cl22_write(bp, phy,
  9938. MDIO_REG_GPHY_SHADOW,
  9939. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9940. bnx2x_cl22_read(bp, phy,
  9941. MDIO_REG_GPHY_SHADOW,
  9942. &temp);
  9943. temp &= 0xff00;
  9944. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9945. switch (mode) {
  9946. case LED_MODE_FRONT_PANEL_OFF:
  9947. case LED_MODE_OFF:
  9948. temp |= 0x00ee;
  9949. break;
  9950. case LED_MODE_OPER:
  9951. temp |= 0x0001;
  9952. break;
  9953. case LED_MODE_ON:
  9954. temp |= 0x00ff;
  9955. break;
  9956. default:
  9957. break;
  9958. }
  9959. bnx2x_cl22_write(bp, phy,
  9960. MDIO_REG_GPHY_SHADOW,
  9961. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9962. return;
  9963. }
  9964. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9965. struct link_params *params)
  9966. {
  9967. struct bnx2x *bp = params->bp;
  9968. u32 cfg_pin;
  9969. u8 port;
  9970. /* In case of no EPIO routed to reset the GPHY, put it
  9971. * in low power mode.
  9972. */
  9973. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9974. /* This works with E3 only, no need to check the chip
  9975. * before determining the port.
  9976. */
  9977. port = params->port;
  9978. cfg_pin = (REG_RD(bp, params->shmem_base +
  9979. offsetof(struct shmem_region,
  9980. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9981. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9982. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9983. /* Drive pin low to put GPHY in reset. */
  9984. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9985. }
  9986. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9987. struct link_params *params,
  9988. struct link_vars *vars)
  9989. {
  9990. struct bnx2x *bp = params->bp;
  9991. u16 val;
  9992. u8 link_up = 0;
  9993. u16 legacy_status, legacy_speed;
  9994. /* Get speed operation status */
  9995. bnx2x_cl22_read(bp, phy,
  9996. MDIO_REG_GPHY_AUX_STATUS,
  9997. &legacy_status);
  9998. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9999. /* Read status to clear the PHY interrupt. */
  10000. bnx2x_cl22_read(bp, phy,
  10001. MDIO_REG_INTR_STATUS,
  10002. &val);
  10003. link_up = ((legacy_status & (1<<2)) == (1<<2));
  10004. if (link_up) {
  10005. legacy_speed = (legacy_status & (7<<8));
  10006. if (legacy_speed == (7<<8)) {
  10007. vars->line_speed = SPEED_1000;
  10008. vars->duplex = DUPLEX_FULL;
  10009. } else if (legacy_speed == (6<<8)) {
  10010. vars->line_speed = SPEED_1000;
  10011. vars->duplex = DUPLEX_HALF;
  10012. } else if (legacy_speed == (5<<8)) {
  10013. vars->line_speed = SPEED_100;
  10014. vars->duplex = DUPLEX_FULL;
  10015. }
  10016. /* Omitting 100Base-T4 for now */
  10017. else if (legacy_speed == (3<<8)) {
  10018. vars->line_speed = SPEED_100;
  10019. vars->duplex = DUPLEX_HALF;
  10020. } else if (legacy_speed == (2<<8)) {
  10021. vars->line_speed = SPEED_10;
  10022. vars->duplex = DUPLEX_FULL;
  10023. } else if (legacy_speed == (1<<8)) {
  10024. vars->line_speed = SPEED_10;
  10025. vars->duplex = DUPLEX_HALF;
  10026. } else /* Should not happen */
  10027. vars->line_speed = 0;
  10028. DP(NETIF_MSG_LINK,
  10029. "Link is up in %dMbps, is_duplex_full= %d\n",
  10030. vars->line_speed,
  10031. (vars->duplex == DUPLEX_FULL));
  10032. /* Check legacy speed AN resolution */
  10033. bnx2x_cl22_read(bp, phy,
  10034. 0x01,
  10035. &val);
  10036. if (val & (1<<5))
  10037. vars->link_status |=
  10038. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  10039. bnx2x_cl22_read(bp, phy,
  10040. 0x06,
  10041. &val);
  10042. if ((val & (1<<0)) == 0)
  10043. vars->link_status |=
  10044. LINK_STATUS_PARALLEL_DETECTION_USED;
  10045. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  10046. vars->line_speed);
  10047. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  10048. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  10049. /* Report LP advertised speeds */
  10050. bnx2x_cl22_read(bp, phy, 0x5, &val);
  10051. if (val & (1<<5))
  10052. vars->link_status |=
  10053. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  10054. if (val & (1<<6))
  10055. vars->link_status |=
  10056. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  10057. if (val & (1<<7))
  10058. vars->link_status |=
  10059. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  10060. if (val & (1<<8))
  10061. vars->link_status |=
  10062. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  10063. if (val & (1<<9))
  10064. vars->link_status |=
  10065. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  10066. bnx2x_cl22_read(bp, phy, 0xa, &val);
  10067. if (val & (1<<10))
  10068. vars->link_status |=
  10069. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  10070. if (val & (1<<11))
  10071. vars->link_status |=
  10072. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  10073. if ((phy->flags & FLAGS_EEE) &&
  10074. bnx2x_eee_has_cap(params))
  10075. bnx2x_eee_an_resolve(phy, params, vars);
  10076. }
  10077. }
  10078. return link_up;
  10079. }
  10080. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  10081. struct link_params *params)
  10082. {
  10083. struct bnx2x *bp = params->bp;
  10084. u16 val;
  10085. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  10086. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  10087. /* Enable master/slave manual mmode and set to master */
  10088. /* mii write 9 [bits set 11 12] */
  10089. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  10090. /* forced 1G and disable autoneg */
  10091. /* set val [mii read 0] */
  10092. /* set val [expr $val & [bits clear 6 12 13]] */
  10093. /* set val [expr $val | [bits set 6 8]] */
  10094. /* mii write 0 $val */
  10095. bnx2x_cl22_read(bp, phy, 0x00, &val);
  10096. val &= ~((1<<6) | (1<<12) | (1<<13));
  10097. val |= (1<<6) | (1<<8);
  10098. bnx2x_cl22_write(bp, phy, 0x00, val);
  10099. /* Set external loopback and Tx using 6dB coding */
  10100. /* mii write 0x18 7 */
  10101. /* set val [mii read 0x18] */
  10102. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  10103. bnx2x_cl22_write(bp, phy, 0x18, 7);
  10104. bnx2x_cl22_read(bp, phy, 0x18, &val);
  10105. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  10106. /* This register opens the gate for the UMAC despite its name */
  10107. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  10108. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  10109. * length used by the MAC receive logic to check frames.
  10110. */
  10111. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  10112. }
  10113. /******************************************************************/
  10114. /* SFX7101 PHY SECTION */
  10115. /******************************************************************/
  10116. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  10117. struct link_params *params)
  10118. {
  10119. struct bnx2x *bp = params->bp;
  10120. /* SFX7101_XGXS_TEST1 */
  10121. bnx2x_cl45_write(bp, phy,
  10122. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  10123. }
  10124. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  10125. struct link_params *params,
  10126. struct link_vars *vars)
  10127. {
  10128. u16 fw_ver1, fw_ver2, val;
  10129. struct bnx2x *bp = params->bp;
  10130. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  10131. /* Restore normal power mode*/
  10132. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10133. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  10134. /* HW reset */
  10135. bnx2x_ext_phy_hw_reset(bp, params->port);
  10136. bnx2x_wait_reset_complete(bp, phy, params);
  10137. bnx2x_cl45_write(bp, phy,
  10138. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  10139. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  10140. bnx2x_cl45_write(bp, phy,
  10141. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  10142. bnx2x_ext_phy_set_pause(params, phy, vars);
  10143. /* Restart autoneg */
  10144. bnx2x_cl45_read(bp, phy,
  10145. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  10146. val |= 0x200;
  10147. bnx2x_cl45_write(bp, phy,
  10148. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  10149. /* Save spirom version */
  10150. bnx2x_cl45_read(bp, phy,
  10151. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  10152. bnx2x_cl45_read(bp, phy,
  10153. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  10154. bnx2x_save_spirom_version(bp, params->port,
  10155. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  10156. return 0;
  10157. }
  10158. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  10159. struct link_params *params,
  10160. struct link_vars *vars)
  10161. {
  10162. struct bnx2x *bp = params->bp;
  10163. u8 link_up;
  10164. u16 val1, val2;
  10165. bnx2x_cl45_read(bp, phy,
  10166. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  10167. bnx2x_cl45_read(bp, phy,
  10168. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  10169. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  10170. val2, val1);
  10171. bnx2x_cl45_read(bp, phy,
  10172. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  10173. bnx2x_cl45_read(bp, phy,
  10174. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  10175. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  10176. val2, val1);
  10177. link_up = ((val1 & 4) == 4);
  10178. /* If link is up print the AN outcome of the SFX7101 PHY */
  10179. if (link_up) {
  10180. bnx2x_cl45_read(bp, phy,
  10181. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  10182. &val2);
  10183. vars->line_speed = SPEED_10000;
  10184. vars->duplex = DUPLEX_FULL;
  10185. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  10186. val2, (val2 & (1<<14)));
  10187. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  10188. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  10189. /* Read LP advertised speeds */
  10190. if (val2 & (1<<11))
  10191. vars->link_status |=
  10192. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  10193. }
  10194. return link_up;
  10195. }
  10196. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  10197. {
  10198. if (*len < 5)
  10199. return -EINVAL;
  10200. str[0] = (spirom_ver & 0xFF);
  10201. str[1] = (spirom_ver & 0xFF00) >> 8;
  10202. str[2] = (spirom_ver & 0xFF0000) >> 16;
  10203. str[3] = (spirom_ver & 0xFF000000) >> 24;
  10204. str[4] = '\0';
  10205. *len -= 5;
  10206. return 0;
  10207. }
  10208. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  10209. {
  10210. u16 val, cnt;
  10211. bnx2x_cl45_read(bp, phy,
  10212. MDIO_PMA_DEVAD,
  10213. MDIO_PMA_REG_7101_RESET, &val);
  10214. for (cnt = 0; cnt < 10; cnt++) {
  10215. msleep(50);
  10216. /* Writes a self-clearing reset */
  10217. bnx2x_cl45_write(bp, phy,
  10218. MDIO_PMA_DEVAD,
  10219. MDIO_PMA_REG_7101_RESET,
  10220. (val | (1<<15)));
  10221. /* Wait for clear */
  10222. bnx2x_cl45_read(bp, phy,
  10223. MDIO_PMA_DEVAD,
  10224. MDIO_PMA_REG_7101_RESET, &val);
  10225. if ((val & (1<<15)) == 0)
  10226. break;
  10227. }
  10228. }
  10229. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  10230. struct link_params *params) {
  10231. /* Low power mode is controlled by GPIO 2 */
  10232. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  10233. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  10234. /* The PHY reset is controlled by GPIO 1 */
  10235. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  10236. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  10237. }
  10238. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  10239. struct link_params *params, u8 mode)
  10240. {
  10241. u16 val = 0;
  10242. struct bnx2x *bp = params->bp;
  10243. switch (mode) {
  10244. case LED_MODE_FRONT_PANEL_OFF:
  10245. case LED_MODE_OFF:
  10246. val = 2;
  10247. break;
  10248. case LED_MODE_ON:
  10249. val = 1;
  10250. break;
  10251. case LED_MODE_OPER:
  10252. val = 0;
  10253. break;
  10254. }
  10255. bnx2x_cl45_write(bp, phy,
  10256. MDIO_PMA_DEVAD,
  10257. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  10258. val);
  10259. }
  10260. /******************************************************************/
  10261. /* STATIC PHY DECLARATION */
  10262. /******************************************************************/
  10263. static const struct bnx2x_phy phy_null = {
  10264. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  10265. .addr = 0,
  10266. .def_md_devad = 0,
  10267. .flags = FLAGS_INIT_XGXS_FIRST,
  10268. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10269. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10270. .mdio_ctrl = 0,
  10271. .supported = 0,
  10272. .media_type = ETH_PHY_NOT_PRESENT,
  10273. .ver_addr = 0,
  10274. .req_flow_ctrl = 0,
  10275. .req_line_speed = 0,
  10276. .speed_cap_mask = 0,
  10277. .req_duplex = 0,
  10278. .rsrv = 0,
  10279. .config_init = (config_init_t)NULL,
  10280. .read_status = (read_status_t)NULL,
  10281. .link_reset = (link_reset_t)NULL,
  10282. .config_loopback = (config_loopback_t)NULL,
  10283. .format_fw_ver = (format_fw_ver_t)NULL,
  10284. .hw_reset = (hw_reset_t)NULL,
  10285. .set_link_led = (set_link_led_t)NULL,
  10286. .phy_specific_func = (phy_specific_func_t)NULL
  10287. };
  10288. static const struct bnx2x_phy phy_serdes = {
  10289. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  10290. .addr = 0xff,
  10291. .def_md_devad = 0,
  10292. .flags = 0,
  10293. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10294. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10295. .mdio_ctrl = 0,
  10296. .supported = (SUPPORTED_10baseT_Half |
  10297. SUPPORTED_10baseT_Full |
  10298. SUPPORTED_100baseT_Half |
  10299. SUPPORTED_100baseT_Full |
  10300. SUPPORTED_1000baseT_Full |
  10301. SUPPORTED_2500baseX_Full |
  10302. SUPPORTED_TP |
  10303. SUPPORTED_Autoneg |
  10304. SUPPORTED_Pause |
  10305. SUPPORTED_Asym_Pause),
  10306. .media_type = ETH_PHY_BASE_T,
  10307. .ver_addr = 0,
  10308. .req_flow_ctrl = 0,
  10309. .req_line_speed = 0,
  10310. .speed_cap_mask = 0,
  10311. .req_duplex = 0,
  10312. .rsrv = 0,
  10313. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  10314. .read_status = (read_status_t)bnx2x_link_settings_status,
  10315. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  10316. .config_loopback = (config_loopback_t)NULL,
  10317. .format_fw_ver = (format_fw_ver_t)NULL,
  10318. .hw_reset = (hw_reset_t)NULL,
  10319. .set_link_led = (set_link_led_t)NULL,
  10320. .phy_specific_func = (phy_specific_func_t)NULL
  10321. };
  10322. static const struct bnx2x_phy phy_xgxs = {
  10323. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  10324. .addr = 0xff,
  10325. .def_md_devad = 0,
  10326. .flags = 0,
  10327. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10328. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10329. .mdio_ctrl = 0,
  10330. .supported = (SUPPORTED_10baseT_Half |
  10331. SUPPORTED_10baseT_Full |
  10332. SUPPORTED_100baseT_Half |
  10333. SUPPORTED_100baseT_Full |
  10334. SUPPORTED_1000baseT_Full |
  10335. SUPPORTED_2500baseX_Full |
  10336. SUPPORTED_10000baseT_Full |
  10337. SUPPORTED_FIBRE |
  10338. SUPPORTED_Autoneg |
  10339. SUPPORTED_Pause |
  10340. SUPPORTED_Asym_Pause),
  10341. .media_type = ETH_PHY_CX4,
  10342. .ver_addr = 0,
  10343. .req_flow_ctrl = 0,
  10344. .req_line_speed = 0,
  10345. .speed_cap_mask = 0,
  10346. .req_duplex = 0,
  10347. .rsrv = 0,
  10348. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  10349. .read_status = (read_status_t)bnx2x_link_settings_status,
  10350. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  10351. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  10352. .format_fw_ver = (format_fw_ver_t)NULL,
  10353. .hw_reset = (hw_reset_t)NULL,
  10354. .set_link_led = (set_link_led_t)NULL,
  10355. .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
  10356. };
  10357. static const struct bnx2x_phy phy_warpcore = {
  10358. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  10359. .addr = 0xff,
  10360. .def_md_devad = 0,
  10361. .flags = FLAGS_TX_ERROR_CHECK,
  10362. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10363. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10364. .mdio_ctrl = 0,
  10365. .supported = (SUPPORTED_10baseT_Half |
  10366. SUPPORTED_10baseT_Full |
  10367. SUPPORTED_100baseT_Half |
  10368. SUPPORTED_100baseT_Full |
  10369. SUPPORTED_1000baseT_Full |
  10370. SUPPORTED_1000baseKX_Full |
  10371. SUPPORTED_10000baseT_Full |
  10372. SUPPORTED_10000baseKR_Full |
  10373. SUPPORTED_20000baseKR2_Full |
  10374. SUPPORTED_20000baseMLD2_Full |
  10375. SUPPORTED_FIBRE |
  10376. SUPPORTED_Autoneg |
  10377. SUPPORTED_Pause |
  10378. SUPPORTED_Asym_Pause),
  10379. .media_type = ETH_PHY_UNSPECIFIED,
  10380. .ver_addr = 0,
  10381. .req_flow_ctrl = 0,
  10382. .req_line_speed = 0,
  10383. .speed_cap_mask = 0,
  10384. /* req_duplex = */0,
  10385. /* rsrv = */0,
  10386. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  10387. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  10388. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  10389. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  10390. .format_fw_ver = (format_fw_ver_t)NULL,
  10391. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  10392. .set_link_led = (set_link_led_t)NULL,
  10393. .phy_specific_func = (phy_specific_func_t)NULL
  10394. };
  10395. static const struct bnx2x_phy phy_7101 = {
  10396. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  10397. .addr = 0xff,
  10398. .def_md_devad = 0,
  10399. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  10400. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10401. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10402. .mdio_ctrl = 0,
  10403. .supported = (SUPPORTED_10000baseT_Full |
  10404. SUPPORTED_TP |
  10405. SUPPORTED_Autoneg |
  10406. SUPPORTED_Pause |
  10407. SUPPORTED_Asym_Pause),
  10408. .media_type = ETH_PHY_BASE_T,
  10409. .ver_addr = 0,
  10410. .req_flow_ctrl = 0,
  10411. .req_line_speed = 0,
  10412. .speed_cap_mask = 0,
  10413. .req_duplex = 0,
  10414. .rsrv = 0,
  10415. .config_init = (config_init_t)bnx2x_7101_config_init,
  10416. .read_status = (read_status_t)bnx2x_7101_read_status,
  10417. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10418. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  10419. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  10420. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  10421. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  10422. .phy_specific_func = (phy_specific_func_t)NULL
  10423. };
  10424. static const struct bnx2x_phy phy_8073 = {
  10425. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  10426. .addr = 0xff,
  10427. .def_md_devad = 0,
  10428. .flags = 0,
  10429. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10430. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10431. .mdio_ctrl = 0,
  10432. .supported = (SUPPORTED_10000baseT_Full |
  10433. SUPPORTED_2500baseX_Full |
  10434. SUPPORTED_1000baseT_Full |
  10435. SUPPORTED_FIBRE |
  10436. SUPPORTED_Autoneg |
  10437. SUPPORTED_Pause |
  10438. SUPPORTED_Asym_Pause),
  10439. .media_type = ETH_PHY_KR,
  10440. .ver_addr = 0,
  10441. .req_flow_ctrl = 0,
  10442. .req_line_speed = 0,
  10443. .speed_cap_mask = 0,
  10444. .req_duplex = 0,
  10445. .rsrv = 0,
  10446. .config_init = (config_init_t)bnx2x_8073_config_init,
  10447. .read_status = (read_status_t)bnx2x_8073_read_status,
  10448. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  10449. .config_loopback = (config_loopback_t)NULL,
  10450. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10451. .hw_reset = (hw_reset_t)NULL,
  10452. .set_link_led = (set_link_led_t)NULL,
  10453. .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
  10454. };
  10455. static const struct bnx2x_phy phy_8705 = {
  10456. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  10457. .addr = 0xff,
  10458. .def_md_devad = 0,
  10459. .flags = FLAGS_INIT_XGXS_FIRST,
  10460. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10461. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10462. .mdio_ctrl = 0,
  10463. .supported = (SUPPORTED_10000baseT_Full |
  10464. SUPPORTED_FIBRE |
  10465. SUPPORTED_Pause |
  10466. SUPPORTED_Asym_Pause),
  10467. .media_type = ETH_PHY_XFP_FIBER,
  10468. .ver_addr = 0,
  10469. .req_flow_ctrl = 0,
  10470. .req_line_speed = 0,
  10471. .speed_cap_mask = 0,
  10472. .req_duplex = 0,
  10473. .rsrv = 0,
  10474. .config_init = (config_init_t)bnx2x_8705_config_init,
  10475. .read_status = (read_status_t)bnx2x_8705_read_status,
  10476. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10477. .config_loopback = (config_loopback_t)NULL,
  10478. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  10479. .hw_reset = (hw_reset_t)NULL,
  10480. .set_link_led = (set_link_led_t)NULL,
  10481. .phy_specific_func = (phy_specific_func_t)NULL
  10482. };
  10483. static const struct bnx2x_phy phy_8706 = {
  10484. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  10485. .addr = 0xff,
  10486. .def_md_devad = 0,
  10487. .flags = FLAGS_INIT_XGXS_FIRST,
  10488. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10489. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10490. .mdio_ctrl = 0,
  10491. .supported = (SUPPORTED_10000baseT_Full |
  10492. SUPPORTED_1000baseT_Full |
  10493. SUPPORTED_FIBRE |
  10494. SUPPORTED_Pause |
  10495. SUPPORTED_Asym_Pause),
  10496. .media_type = ETH_PHY_SFPP_10G_FIBER,
  10497. .ver_addr = 0,
  10498. .req_flow_ctrl = 0,
  10499. .req_line_speed = 0,
  10500. .speed_cap_mask = 0,
  10501. .req_duplex = 0,
  10502. .rsrv = 0,
  10503. .config_init = (config_init_t)bnx2x_8706_config_init,
  10504. .read_status = (read_status_t)bnx2x_8706_read_status,
  10505. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10506. .config_loopback = (config_loopback_t)NULL,
  10507. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10508. .hw_reset = (hw_reset_t)NULL,
  10509. .set_link_led = (set_link_led_t)NULL,
  10510. .phy_specific_func = (phy_specific_func_t)NULL
  10511. };
  10512. static const struct bnx2x_phy phy_8726 = {
  10513. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  10514. .addr = 0xff,
  10515. .def_md_devad = 0,
  10516. .flags = (FLAGS_INIT_XGXS_FIRST |
  10517. FLAGS_TX_ERROR_CHECK),
  10518. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10519. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10520. .mdio_ctrl = 0,
  10521. .supported = (SUPPORTED_10000baseT_Full |
  10522. SUPPORTED_1000baseT_Full |
  10523. SUPPORTED_Autoneg |
  10524. SUPPORTED_FIBRE |
  10525. SUPPORTED_Pause |
  10526. SUPPORTED_Asym_Pause),
  10527. .media_type = ETH_PHY_NOT_PRESENT,
  10528. .ver_addr = 0,
  10529. .req_flow_ctrl = 0,
  10530. .req_line_speed = 0,
  10531. .speed_cap_mask = 0,
  10532. .req_duplex = 0,
  10533. .rsrv = 0,
  10534. .config_init = (config_init_t)bnx2x_8726_config_init,
  10535. .read_status = (read_status_t)bnx2x_8726_read_status,
  10536. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  10537. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  10538. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10539. .hw_reset = (hw_reset_t)NULL,
  10540. .set_link_led = (set_link_led_t)NULL,
  10541. .phy_specific_func = (phy_specific_func_t)NULL
  10542. };
  10543. static const struct bnx2x_phy phy_8727 = {
  10544. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  10545. .addr = 0xff,
  10546. .def_md_devad = 0,
  10547. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10548. FLAGS_TX_ERROR_CHECK),
  10549. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10550. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10551. .mdio_ctrl = 0,
  10552. .supported = (SUPPORTED_10000baseT_Full |
  10553. SUPPORTED_1000baseT_Full |
  10554. SUPPORTED_FIBRE |
  10555. SUPPORTED_Pause |
  10556. SUPPORTED_Asym_Pause),
  10557. .media_type = ETH_PHY_NOT_PRESENT,
  10558. .ver_addr = 0,
  10559. .req_flow_ctrl = 0,
  10560. .req_line_speed = 0,
  10561. .speed_cap_mask = 0,
  10562. .req_duplex = 0,
  10563. .rsrv = 0,
  10564. .config_init = (config_init_t)bnx2x_8727_config_init,
  10565. .read_status = (read_status_t)bnx2x_8727_read_status,
  10566. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  10567. .config_loopback = (config_loopback_t)NULL,
  10568. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10569. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  10570. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  10571. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  10572. };
  10573. static const struct bnx2x_phy phy_8481 = {
  10574. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  10575. .addr = 0xff,
  10576. .def_md_devad = 0,
  10577. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10578. FLAGS_REARM_LATCH_SIGNAL,
  10579. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10580. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10581. .mdio_ctrl = 0,
  10582. .supported = (SUPPORTED_10baseT_Half |
  10583. SUPPORTED_10baseT_Full |
  10584. SUPPORTED_100baseT_Half |
  10585. SUPPORTED_100baseT_Full |
  10586. SUPPORTED_1000baseT_Full |
  10587. SUPPORTED_10000baseT_Full |
  10588. SUPPORTED_TP |
  10589. SUPPORTED_Autoneg |
  10590. SUPPORTED_Pause |
  10591. SUPPORTED_Asym_Pause),
  10592. .media_type = ETH_PHY_BASE_T,
  10593. .ver_addr = 0,
  10594. .req_flow_ctrl = 0,
  10595. .req_line_speed = 0,
  10596. .speed_cap_mask = 0,
  10597. .req_duplex = 0,
  10598. .rsrv = 0,
  10599. .config_init = (config_init_t)bnx2x_8481_config_init,
  10600. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10601. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  10602. .config_loopback = (config_loopback_t)NULL,
  10603. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10604. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  10605. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10606. .phy_specific_func = (phy_specific_func_t)NULL
  10607. };
  10608. static const struct bnx2x_phy phy_84823 = {
  10609. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  10610. .addr = 0xff,
  10611. .def_md_devad = 0,
  10612. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10613. FLAGS_REARM_LATCH_SIGNAL |
  10614. FLAGS_TX_ERROR_CHECK),
  10615. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10616. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10617. .mdio_ctrl = 0,
  10618. .supported = (SUPPORTED_10baseT_Half |
  10619. SUPPORTED_10baseT_Full |
  10620. SUPPORTED_100baseT_Half |
  10621. SUPPORTED_100baseT_Full |
  10622. SUPPORTED_1000baseT_Full |
  10623. SUPPORTED_10000baseT_Full |
  10624. SUPPORTED_TP |
  10625. SUPPORTED_Autoneg |
  10626. SUPPORTED_Pause |
  10627. SUPPORTED_Asym_Pause),
  10628. .media_type = ETH_PHY_BASE_T,
  10629. .ver_addr = 0,
  10630. .req_flow_ctrl = 0,
  10631. .req_line_speed = 0,
  10632. .speed_cap_mask = 0,
  10633. .req_duplex = 0,
  10634. .rsrv = 0,
  10635. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10636. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10637. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10638. .config_loopback = (config_loopback_t)NULL,
  10639. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10640. .hw_reset = (hw_reset_t)NULL,
  10641. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10642. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10643. };
  10644. static const struct bnx2x_phy phy_84833 = {
  10645. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  10646. .addr = 0xff,
  10647. .def_md_devad = 0,
  10648. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10649. FLAGS_REARM_LATCH_SIGNAL |
  10650. FLAGS_TX_ERROR_CHECK),
  10651. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10652. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10653. .mdio_ctrl = 0,
  10654. .supported = (SUPPORTED_100baseT_Half |
  10655. SUPPORTED_100baseT_Full |
  10656. SUPPORTED_1000baseT_Full |
  10657. SUPPORTED_10000baseT_Full |
  10658. SUPPORTED_TP |
  10659. SUPPORTED_Autoneg |
  10660. SUPPORTED_Pause |
  10661. SUPPORTED_Asym_Pause),
  10662. .media_type = ETH_PHY_BASE_T,
  10663. .ver_addr = 0,
  10664. .req_flow_ctrl = 0,
  10665. .req_line_speed = 0,
  10666. .speed_cap_mask = 0,
  10667. .req_duplex = 0,
  10668. .rsrv = 0,
  10669. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10670. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10671. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10672. .config_loopback = (config_loopback_t)NULL,
  10673. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10674. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10675. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10676. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10677. };
  10678. static const struct bnx2x_phy phy_84834 = {
  10679. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
  10680. .addr = 0xff,
  10681. .def_md_devad = 0,
  10682. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10683. FLAGS_REARM_LATCH_SIGNAL,
  10684. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10685. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10686. .mdio_ctrl = 0,
  10687. .supported = (SUPPORTED_100baseT_Half |
  10688. SUPPORTED_100baseT_Full |
  10689. SUPPORTED_1000baseT_Full |
  10690. SUPPORTED_10000baseT_Full |
  10691. SUPPORTED_TP |
  10692. SUPPORTED_Autoneg |
  10693. SUPPORTED_Pause |
  10694. SUPPORTED_Asym_Pause),
  10695. .media_type = ETH_PHY_BASE_T,
  10696. .ver_addr = 0,
  10697. .req_flow_ctrl = 0,
  10698. .req_line_speed = 0,
  10699. .speed_cap_mask = 0,
  10700. .req_duplex = 0,
  10701. .rsrv = 0,
  10702. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10703. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10704. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10705. .config_loopback = (config_loopback_t)NULL,
  10706. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10707. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10708. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10709. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10710. };
  10711. static const struct bnx2x_phy phy_84858 = {
  10712. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858,
  10713. .addr = 0xff,
  10714. .def_md_devad = 0,
  10715. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10716. FLAGS_REARM_LATCH_SIGNAL,
  10717. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10718. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10719. .mdio_ctrl = 0,
  10720. .supported = (SUPPORTED_100baseT_Half |
  10721. SUPPORTED_100baseT_Full |
  10722. SUPPORTED_1000baseT_Full |
  10723. SUPPORTED_10000baseT_Full |
  10724. SUPPORTED_TP |
  10725. SUPPORTED_Autoneg |
  10726. SUPPORTED_Pause |
  10727. SUPPORTED_Asym_Pause),
  10728. .media_type = ETH_PHY_BASE_T,
  10729. .ver_addr = 0,
  10730. .req_flow_ctrl = 0,
  10731. .req_line_speed = 0,
  10732. .speed_cap_mask = 0,
  10733. .req_duplex = 0,
  10734. .rsrv = 0,
  10735. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10736. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10737. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10738. .config_loopback = (config_loopback_t)NULL,
  10739. .format_fw_ver = (format_fw_ver_t)bnx2x_8485x_format_ver,
  10740. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10741. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10742. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10743. };
  10744. static const struct bnx2x_phy phy_54618se = {
  10745. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  10746. .addr = 0xff,
  10747. .def_md_devad = 0,
  10748. .flags = FLAGS_INIT_XGXS_FIRST,
  10749. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10750. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10751. .mdio_ctrl = 0,
  10752. .supported = (SUPPORTED_10baseT_Half |
  10753. SUPPORTED_10baseT_Full |
  10754. SUPPORTED_100baseT_Half |
  10755. SUPPORTED_100baseT_Full |
  10756. SUPPORTED_1000baseT_Full |
  10757. SUPPORTED_TP |
  10758. SUPPORTED_Autoneg |
  10759. SUPPORTED_Pause |
  10760. SUPPORTED_Asym_Pause),
  10761. .media_type = ETH_PHY_BASE_T,
  10762. .ver_addr = 0,
  10763. .req_flow_ctrl = 0,
  10764. .req_line_speed = 0,
  10765. .speed_cap_mask = 0,
  10766. /* req_duplex = */0,
  10767. /* rsrv = */0,
  10768. .config_init = (config_init_t)bnx2x_54618se_config_init,
  10769. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10770. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10771. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10772. .format_fw_ver = (format_fw_ver_t)NULL,
  10773. .hw_reset = (hw_reset_t)NULL,
  10774. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10775. .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
  10776. };
  10777. /*****************************************************************/
  10778. /* */
  10779. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10780. /* */
  10781. /*****************************************************************/
  10782. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10783. struct bnx2x_phy *phy, u8 port,
  10784. u8 phy_index)
  10785. {
  10786. /* Get the 4 lanes xgxs config rx and tx */
  10787. u32 rx = 0, tx = 0, i;
  10788. for (i = 0; i < 2; i++) {
  10789. /* INT_PHY and EXT_PHY1 share the same value location in
  10790. * the shmem. When num_phys is greater than 1, than this value
  10791. * applies only to EXT_PHY1
  10792. */
  10793. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10794. rx = REG_RD(bp, shmem_base +
  10795. offsetof(struct shmem_region,
  10796. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10797. tx = REG_RD(bp, shmem_base +
  10798. offsetof(struct shmem_region,
  10799. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10800. } else {
  10801. rx = REG_RD(bp, shmem_base +
  10802. offsetof(struct shmem_region,
  10803. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10804. tx = REG_RD(bp, shmem_base +
  10805. offsetof(struct shmem_region,
  10806. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10807. }
  10808. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10809. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10810. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10811. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10812. }
  10813. }
  10814. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10815. u8 phy_index, u8 port)
  10816. {
  10817. u32 ext_phy_config = 0;
  10818. switch (phy_index) {
  10819. case EXT_PHY1:
  10820. ext_phy_config = REG_RD(bp, shmem_base +
  10821. offsetof(struct shmem_region,
  10822. dev_info.port_hw_config[port].external_phy_config));
  10823. break;
  10824. case EXT_PHY2:
  10825. ext_phy_config = REG_RD(bp, shmem_base +
  10826. offsetof(struct shmem_region,
  10827. dev_info.port_hw_config[port].external_phy_config2));
  10828. break;
  10829. default:
  10830. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10831. return -EINVAL;
  10832. }
  10833. return ext_phy_config;
  10834. }
  10835. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10836. struct bnx2x_phy *phy)
  10837. {
  10838. u32 phy_addr;
  10839. u32 chip_id;
  10840. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10841. offsetof(struct shmem_region,
  10842. dev_info.port_feature_config[port].link_config)) &
  10843. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10844. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10845. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10846. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10847. if (USES_WARPCORE(bp)) {
  10848. u32 serdes_net_if;
  10849. phy_addr = REG_RD(bp,
  10850. MISC_REG_WC0_CTRL_PHY_ADDR);
  10851. *phy = phy_warpcore;
  10852. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10853. phy->flags |= FLAGS_4_PORT_MODE;
  10854. else
  10855. phy->flags &= ~FLAGS_4_PORT_MODE;
  10856. /* Check Dual mode */
  10857. serdes_net_if = (REG_RD(bp, shmem_base +
  10858. offsetof(struct shmem_region, dev_info.
  10859. port_hw_config[port].default_cfg)) &
  10860. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10861. /* Set the appropriate supported and flags indications per
  10862. * interface type of the chip
  10863. */
  10864. switch (serdes_net_if) {
  10865. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10866. phy->supported &= (SUPPORTED_10baseT_Half |
  10867. SUPPORTED_10baseT_Full |
  10868. SUPPORTED_100baseT_Half |
  10869. SUPPORTED_100baseT_Full |
  10870. SUPPORTED_1000baseT_Full |
  10871. SUPPORTED_FIBRE |
  10872. SUPPORTED_Autoneg |
  10873. SUPPORTED_Pause |
  10874. SUPPORTED_Asym_Pause);
  10875. phy->media_type = ETH_PHY_BASE_T;
  10876. break;
  10877. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10878. phy->supported &= (SUPPORTED_1000baseT_Full |
  10879. SUPPORTED_10000baseT_Full |
  10880. SUPPORTED_FIBRE |
  10881. SUPPORTED_Pause |
  10882. SUPPORTED_Asym_Pause);
  10883. phy->media_type = ETH_PHY_XFP_FIBER;
  10884. break;
  10885. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10886. phy->supported &= (SUPPORTED_1000baseT_Full |
  10887. SUPPORTED_10000baseT_Full |
  10888. SUPPORTED_FIBRE |
  10889. SUPPORTED_Pause |
  10890. SUPPORTED_Asym_Pause);
  10891. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  10892. break;
  10893. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10894. phy->media_type = ETH_PHY_KR;
  10895. phy->supported &= (SUPPORTED_1000baseKX_Full |
  10896. SUPPORTED_10000baseKR_Full |
  10897. SUPPORTED_FIBRE |
  10898. SUPPORTED_Autoneg |
  10899. SUPPORTED_Pause |
  10900. SUPPORTED_Asym_Pause);
  10901. break;
  10902. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10903. phy->media_type = ETH_PHY_KR;
  10904. phy->flags |= FLAGS_WC_DUAL_MODE;
  10905. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10906. SUPPORTED_FIBRE |
  10907. SUPPORTED_Pause |
  10908. SUPPORTED_Asym_Pause);
  10909. break;
  10910. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10911. phy->media_type = ETH_PHY_KR;
  10912. phy->flags |= FLAGS_WC_DUAL_MODE;
  10913. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10914. SUPPORTED_10000baseKR_Full |
  10915. SUPPORTED_1000baseKX_Full |
  10916. SUPPORTED_Autoneg |
  10917. SUPPORTED_FIBRE |
  10918. SUPPORTED_Pause |
  10919. SUPPORTED_Asym_Pause);
  10920. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10921. break;
  10922. default:
  10923. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10924. serdes_net_if);
  10925. break;
  10926. }
  10927. /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10928. * was not set as expected. For B0, ECO will be enabled so there
  10929. * won't be an issue there
  10930. */
  10931. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10932. phy->flags |= FLAGS_MDC_MDIO_WA;
  10933. else
  10934. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10935. } else {
  10936. switch (switch_cfg) {
  10937. case SWITCH_CFG_1G:
  10938. phy_addr = REG_RD(bp,
  10939. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10940. port * 0x10);
  10941. *phy = phy_serdes;
  10942. break;
  10943. case SWITCH_CFG_10G:
  10944. phy_addr = REG_RD(bp,
  10945. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10946. port * 0x18);
  10947. *phy = phy_xgxs;
  10948. break;
  10949. default:
  10950. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10951. return -EINVAL;
  10952. }
  10953. }
  10954. phy->addr = (u8)phy_addr;
  10955. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10956. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10957. port);
  10958. if (CHIP_IS_E2(bp))
  10959. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10960. else
  10961. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10962. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10963. port, phy->addr, phy->mdio_ctrl);
  10964. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10965. return 0;
  10966. }
  10967. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10968. u8 phy_index,
  10969. u32 shmem_base,
  10970. u32 shmem2_base,
  10971. u8 port,
  10972. struct bnx2x_phy *phy)
  10973. {
  10974. u32 ext_phy_config, phy_type, config2;
  10975. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10976. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10977. phy_index, port);
  10978. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10979. /* Select the phy type */
  10980. switch (phy_type) {
  10981. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10982. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10983. *phy = phy_8073;
  10984. break;
  10985. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10986. *phy = phy_8705;
  10987. break;
  10988. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10989. *phy = phy_8706;
  10990. break;
  10991. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10992. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10993. *phy = phy_8726;
  10994. break;
  10995. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10996. /* BCM8727_NOC => BCM8727 no over current */
  10997. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10998. *phy = phy_8727;
  10999. phy->flags |= FLAGS_NOC;
  11000. break;
  11001. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11002. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11003. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  11004. *phy = phy_8727;
  11005. break;
  11006. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  11007. *phy = phy_8481;
  11008. break;
  11009. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  11010. *phy = phy_84823;
  11011. break;
  11012. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11013. *phy = phy_84833;
  11014. break;
  11015. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  11016. *phy = phy_84834;
  11017. break;
  11018. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858:
  11019. *phy = phy_84858;
  11020. break;
  11021. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  11022. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  11023. *phy = phy_54618se;
  11024. if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  11025. phy->flags |= FLAGS_EEE;
  11026. break;
  11027. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  11028. *phy = phy_7101;
  11029. break;
  11030. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11031. *phy = phy_null;
  11032. return -EINVAL;
  11033. default:
  11034. *phy = phy_null;
  11035. /* In case external PHY wasn't found */
  11036. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  11037. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  11038. return -EINVAL;
  11039. return 0;
  11040. }
  11041. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  11042. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  11043. /* The shmem address of the phy version is located on different
  11044. * structures. In case this structure is too old, do not set
  11045. * the address
  11046. */
  11047. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  11048. dev_info.shared_hw_config.config2));
  11049. if (phy_index == EXT_PHY1) {
  11050. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  11051. port_mb[port].ext_phy_fw_version);
  11052. /* Check specific mdc mdio settings */
  11053. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  11054. mdc_mdio_access = config2 &
  11055. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  11056. } else {
  11057. u32 size = REG_RD(bp, shmem2_base);
  11058. if (size >
  11059. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  11060. phy->ver_addr = shmem2_base +
  11061. offsetof(struct shmem2_region,
  11062. ext_phy_fw_version2[port]);
  11063. }
  11064. /* Check specific mdc mdio settings */
  11065. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  11066. mdc_mdio_access = (config2 &
  11067. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  11068. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  11069. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  11070. }
  11071. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  11072. if (bnx2x_is_8483x_8485x(phy) && (phy->ver_addr)) {
  11073. /* Remove 100Mb link supported for BCM84833/4 when phy fw
  11074. * version lower than or equal to 1.39
  11075. */
  11076. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  11077. if (((raw_ver & 0x7F) <= 39) &&
  11078. (((raw_ver & 0xF80) >> 7) <= 1))
  11079. phy->supported &= ~(SUPPORTED_100baseT_Half |
  11080. SUPPORTED_100baseT_Full);
  11081. }
  11082. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  11083. phy_type, port, phy_index);
  11084. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  11085. phy->addr, phy->mdio_ctrl);
  11086. return 0;
  11087. }
  11088. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  11089. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  11090. {
  11091. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  11092. if (phy_index == INT_PHY)
  11093. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  11094. return bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  11095. port, phy);
  11096. }
  11097. static void bnx2x_phy_def_cfg(struct link_params *params,
  11098. struct bnx2x_phy *phy,
  11099. u8 phy_index)
  11100. {
  11101. struct bnx2x *bp = params->bp;
  11102. u32 link_config;
  11103. /* Populate the default phy configuration for MF mode */
  11104. if (phy_index == EXT_PHY2) {
  11105. link_config = REG_RD(bp, params->shmem_base +
  11106. offsetof(struct shmem_region, dev_info.
  11107. port_feature_config[params->port].link_config2));
  11108. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  11109. offsetof(struct shmem_region,
  11110. dev_info.
  11111. port_hw_config[params->port].speed_capability_mask2));
  11112. } else {
  11113. link_config = REG_RD(bp, params->shmem_base +
  11114. offsetof(struct shmem_region, dev_info.
  11115. port_feature_config[params->port].link_config));
  11116. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  11117. offsetof(struct shmem_region,
  11118. dev_info.
  11119. port_hw_config[params->port].speed_capability_mask));
  11120. }
  11121. DP(NETIF_MSG_LINK,
  11122. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  11123. phy_index, link_config, phy->speed_cap_mask);
  11124. phy->req_duplex = DUPLEX_FULL;
  11125. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  11126. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  11127. phy->req_duplex = DUPLEX_HALF;
  11128. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  11129. phy->req_line_speed = SPEED_10;
  11130. break;
  11131. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  11132. phy->req_duplex = DUPLEX_HALF;
  11133. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  11134. phy->req_line_speed = SPEED_100;
  11135. break;
  11136. case PORT_FEATURE_LINK_SPEED_1G:
  11137. phy->req_line_speed = SPEED_1000;
  11138. break;
  11139. case PORT_FEATURE_LINK_SPEED_2_5G:
  11140. phy->req_line_speed = SPEED_2500;
  11141. break;
  11142. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  11143. phy->req_line_speed = SPEED_10000;
  11144. break;
  11145. default:
  11146. phy->req_line_speed = SPEED_AUTO_NEG;
  11147. break;
  11148. }
  11149. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  11150. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  11151. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  11152. break;
  11153. case PORT_FEATURE_FLOW_CONTROL_TX:
  11154. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  11155. break;
  11156. case PORT_FEATURE_FLOW_CONTROL_RX:
  11157. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  11158. break;
  11159. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  11160. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  11161. break;
  11162. default:
  11163. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11164. break;
  11165. }
  11166. }
  11167. u32 bnx2x_phy_selection(struct link_params *params)
  11168. {
  11169. u32 phy_config_swapped, prio_cfg;
  11170. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  11171. phy_config_swapped = params->multi_phy_config &
  11172. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  11173. prio_cfg = params->multi_phy_config &
  11174. PORT_HW_CFG_PHY_SELECTION_MASK;
  11175. if (phy_config_swapped) {
  11176. switch (prio_cfg) {
  11177. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  11178. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  11179. break;
  11180. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  11181. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  11182. break;
  11183. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  11184. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  11185. break;
  11186. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  11187. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  11188. break;
  11189. }
  11190. } else
  11191. return_cfg = prio_cfg;
  11192. return return_cfg;
  11193. }
  11194. int bnx2x_phy_probe(struct link_params *params)
  11195. {
  11196. u8 phy_index, actual_phy_idx;
  11197. u32 phy_config_swapped, sync_offset, media_types;
  11198. struct bnx2x *bp = params->bp;
  11199. struct bnx2x_phy *phy;
  11200. params->num_phys = 0;
  11201. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  11202. phy_config_swapped = params->multi_phy_config &
  11203. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  11204. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11205. phy_index++) {
  11206. actual_phy_idx = phy_index;
  11207. if (phy_config_swapped) {
  11208. if (phy_index == EXT_PHY1)
  11209. actual_phy_idx = EXT_PHY2;
  11210. else if (phy_index == EXT_PHY2)
  11211. actual_phy_idx = EXT_PHY1;
  11212. }
  11213. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  11214. " actual_phy_idx %x\n", phy_config_swapped,
  11215. phy_index, actual_phy_idx);
  11216. phy = &params->phy[actual_phy_idx];
  11217. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  11218. params->shmem2_base, params->port,
  11219. phy) != 0) {
  11220. params->num_phys = 0;
  11221. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  11222. phy_index);
  11223. for (phy_index = INT_PHY;
  11224. phy_index < MAX_PHYS;
  11225. phy_index++)
  11226. *phy = phy_null;
  11227. return -EINVAL;
  11228. }
  11229. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  11230. break;
  11231. if (params->feature_config_flags &
  11232. FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
  11233. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  11234. if (!(params->feature_config_flags &
  11235. FEATURE_CONFIG_MT_SUPPORT))
  11236. phy->flags |= FLAGS_MDC_MDIO_WA_G;
  11237. sync_offset = params->shmem_base +
  11238. offsetof(struct shmem_region,
  11239. dev_info.port_hw_config[params->port].media_type);
  11240. media_types = REG_RD(bp, sync_offset);
  11241. /* Update media type for non-PMF sync only for the first time
  11242. * In case the media type changes afterwards, it will be updated
  11243. * using the update_status function
  11244. */
  11245. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  11246. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  11247. actual_phy_idx))) == 0) {
  11248. media_types |= ((phy->media_type &
  11249. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  11250. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  11251. actual_phy_idx));
  11252. }
  11253. REG_WR(bp, sync_offset, media_types);
  11254. bnx2x_phy_def_cfg(params, phy, phy_index);
  11255. params->num_phys++;
  11256. }
  11257. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  11258. return 0;
  11259. }
  11260. static void bnx2x_init_bmac_loopback(struct link_params *params,
  11261. struct link_vars *vars)
  11262. {
  11263. struct bnx2x *bp = params->bp;
  11264. vars->link_up = 1;
  11265. vars->line_speed = SPEED_10000;
  11266. vars->duplex = DUPLEX_FULL;
  11267. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11268. vars->mac_type = MAC_TYPE_BMAC;
  11269. vars->phy_flags = PHY_XGXS_FLAG;
  11270. bnx2x_xgxs_deassert(params);
  11271. /* Set bmac loopback */
  11272. bnx2x_bmac_enable(params, vars, 1, 1);
  11273. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11274. }
  11275. static void bnx2x_init_emac_loopback(struct link_params *params,
  11276. struct link_vars *vars)
  11277. {
  11278. struct bnx2x *bp = params->bp;
  11279. vars->link_up = 1;
  11280. vars->line_speed = SPEED_1000;
  11281. vars->duplex = DUPLEX_FULL;
  11282. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11283. vars->mac_type = MAC_TYPE_EMAC;
  11284. vars->phy_flags = PHY_XGXS_FLAG;
  11285. bnx2x_xgxs_deassert(params);
  11286. /* Set bmac loopback */
  11287. bnx2x_emac_enable(params, vars, 1);
  11288. bnx2x_emac_program(params, vars);
  11289. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11290. }
  11291. static void bnx2x_init_xmac_loopback(struct link_params *params,
  11292. struct link_vars *vars)
  11293. {
  11294. struct bnx2x *bp = params->bp;
  11295. vars->link_up = 1;
  11296. if (!params->req_line_speed[0])
  11297. vars->line_speed = SPEED_10000;
  11298. else
  11299. vars->line_speed = params->req_line_speed[0];
  11300. vars->duplex = DUPLEX_FULL;
  11301. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11302. vars->mac_type = MAC_TYPE_XMAC;
  11303. vars->phy_flags = PHY_XGXS_FLAG;
  11304. /* Set WC to loopback mode since link is required to provide clock
  11305. * to the XMAC in 20G mode
  11306. */
  11307. bnx2x_set_aer_mmd(params, &params->phy[0]);
  11308. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  11309. params->phy[INT_PHY].config_loopback(
  11310. &params->phy[INT_PHY],
  11311. params);
  11312. bnx2x_xmac_enable(params, vars, 1);
  11313. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11314. }
  11315. static void bnx2x_init_umac_loopback(struct link_params *params,
  11316. struct link_vars *vars)
  11317. {
  11318. struct bnx2x *bp = params->bp;
  11319. vars->link_up = 1;
  11320. vars->line_speed = SPEED_1000;
  11321. vars->duplex = DUPLEX_FULL;
  11322. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11323. vars->mac_type = MAC_TYPE_UMAC;
  11324. vars->phy_flags = PHY_XGXS_FLAG;
  11325. bnx2x_umac_enable(params, vars, 1);
  11326. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11327. }
  11328. static void bnx2x_init_xgxs_loopback(struct link_params *params,
  11329. struct link_vars *vars)
  11330. {
  11331. struct bnx2x *bp = params->bp;
  11332. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  11333. vars->link_up = 1;
  11334. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11335. vars->duplex = DUPLEX_FULL;
  11336. if (params->req_line_speed[0] == SPEED_1000)
  11337. vars->line_speed = SPEED_1000;
  11338. else if ((params->req_line_speed[0] == SPEED_20000) ||
  11339. (int_phy->flags & FLAGS_WC_DUAL_MODE))
  11340. vars->line_speed = SPEED_20000;
  11341. else
  11342. vars->line_speed = SPEED_10000;
  11343. if (!USES_WARPCORE(bp))
  11344. bnx2x_xgxs_deassert(params);
  11345. bnx2x_link_initialize(params, vars);
  11346. if (params->req_line_speed[0] == SPEED_1000) {
  11347. if (USES_WARPCORE(bp))
  11348. bnx2x_umac_enable(params, vars, 0);
  11349. else {
  11350. bnx2x_emac_program(params, vars);
  11351. bnx2x_emac_enable(params, vars, 0);
  11352. }
  11353. } else {
  11354. if (USES_WARPCORE(bp))
  11355. bnx2x_xmac_enable(params, vars, 0);
  11356. else
  11357. bnx2x_bmac_enable(params, vars, 0, 1);
  11358. }
  11359. if (params->loopback_mode == LOOPBACK_XGXS) {
  11360. /* Set 10G XGXS loopback */
  11361. int_phy->config_loopback(int_phy, params);
  11362. } else {
  11363. /* Set external phy loopback */
  11364. u8 phy_index;
  11365. for (phy_index = EXT_PHY1;
  11366. phy_index < params->num_phys; phy_index++)
  11367. if (params->phy[phy_index].config_loopback)
  11368. params->phy[phy_index].config_loopback(
  11369. &params->phy[phy_index],
  11370. params);
  11371. }
  11372. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11373. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  11374. }
  11375. void bnx2x_set_rx_filter(struct link_params *params, u8 en)
  11376. {
  11377. struct bnx2x *bp = params->bp;
  11378. u8 val = en * 0x1F;
  11379. /* Open / close the gate between the NIG and the BRB */
  11380. if (!CHIP_IS_E1x(bp))
  11381. val |= en * 0x20;
  11382. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
  11383. if (!CHIP_IS_E1(bp)) {
  11384. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
  11385. en*0x3);
  11386. }
  11387. REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
  11388. NIG_REG_LLH0_BRB1_NOT_MCP), en);
  11389. }
  11390. static int bnx2x_avoid_link_flap(struct link_params *params,
  11391. struct link_vars *vars)
  11392. {
  11393. u32 phy_idx;
  11394. u32 dont_clear_stat, lfa_sts;
  11395. struct bnx2x *bp = params->bp;
  11396. bnx2x_set_mdio_emac_per_phy(bp, params);
  11397. /* Sync the link parameters */
  11398. bnx2x_link_status_update(params, vars);
  11399. /*
  11400. * The module verification was already done by previous link owner,
  11401. * so this call is meant only to get warning message
  11402. */
  11403. for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
  11404. struct bnx2x_phy *phy = &params->phy[phy_idx];
  11405. if (phy->phy_specific_func) {
  11406. DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
  11407. phy->phy_specific_func(phy, params, PHY_INIT);
  11408. }
  11409. if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
  11410. (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
  11411. (phy->media_type == ETH_PHY_DA_TWINAX))
  11412. bnx2x_verify_sfp_module(phy, params);
  11413. }
  11414. lfa_sts = REG_RD(bp, params->lfa_base +
  11415. offsetof(struct shmem_lfa,
  11416. lfa_sts));
  11417. dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
  11418. /* Re-enable the NIG/MAC */
  11419. if (CHIP_IS_E3(bp)) {
  11420. if (!dont_clear_stat) {
  11421. REG_WR(bp, GRCBASE_MISC +
  11422. MISC_REGISTERS_RESET_REG_2_CLEAR,
  11423. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  11424. params->port));
  11425. REG_WR(bp, GRCBASE_MISC +
  11426. MISC_REGISTERS_RESET_REG_2_SET,
  11427. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  11428. params->port));
  11429. }
  11430. if (vars->line_speed < SPEED_10000)
  11431. bnx2x_umac_enable(params, vars, 0);
  11432. else
  11433. bnx2x_xmac_enable(params, vars, 0);
  11434. } else {
  11435. if (vars->line_speed < SPEED_10000)
  11436. bnx2x_emac_enable(params, vars, 0);
  11437. else
  11438. bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
  11439. }
  11440. /* Increment LFA count */
  11441. lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
  11442. (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
  11443. LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
  11444. << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
  11445. /* Clear link flap reason */
  11446. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  11447. REG_WR(bp, params->lfa_base +
  11448. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11449. /* Disable NIG DRAIN */
  11450. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11451. /* Enable interrupts */
  11452. bnx2x_link_int_enable(params);
  11453. return 0;
  11454. }
  11455. static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
  11456. struct link_vars *vars,
  11457. int lfa_status)
  11458. {
  11459. u32 lfa_sts, cfg_idx, tmp_val;
  11460. struct bnx2x *bp = params->bp;
  11461. bnx2x_link_reset(params, vars, 1);
  11462. if (!params->lfa_base)
  11463. return;
  11464. /* Store the new link parameters */
  11465. REG_WR(bp, params->lfa_base +
  11466. offsetof(struct shmem_lfa, req_duplex),
  11467. params->req_duplex[0] | (params->req_duplex[1] << 16));
  11468. REG_WR(bp, params->lfa_base +
  11469. offsetof(struct shmem_lfa, req_flow_ctrl),
  11470. params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
  11471. REG_WR(bp, params->lfa_base +
  11472. offsetof(struct shmem_lfa, req_line_speed),
  11473. params->req_line_speed[0] | (params->req_line_speed[1] << 16));
  11474. for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
  11475. REG_WR(bp, params->lfa_base +
  11476. offsetof(struct shmem_lfa,
  11477. speed_cap_mask[cfg_idx]),
  11478. params->speed_cap_mask[cfg_idx]);
  11479. }
  11480. tmp_val = REG_RD(bp, params->lfa_base +
  11481. offsetof(struct shmem_lfa, additional_config));
  11482. tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
  11483. tmp_val |= params->req_fc_auto_adv;
  11484. REG_WR(bp, params->lfa_base +
  11485. offsetof(struct shmem_lfa, additional_config), tmp_val);
  11486. lfa_sts = REG_RD(bp, params->lfa_base +
  11487. offsetof(struct shmem_lfa, lfa_sts));
  11488. /* Clear the "Don't Clear Statistics" bit, and set reason */
  11489. lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
  11490. /* Set link flap reason */
  11491. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  11492. lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
  11493. LFA_LINK_FLAP_REASON_OFFSET);
  11494. /* Increment link flap counter */
  11495. lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
  11496. (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
  11497. LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
  11498. << LINK_FLAP_COUNT_OFFSET));
  11499. REG_WR(bp, params->lfa_base +
  11500. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11501. /* Proceed with regular link initialization */
  11502. }
  11503. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  11504. {
  11505. int lfa_status;
  11506. struct bnx2x *bp = params->bp;
  11507. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  11508. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  11509. params->req_line_speed[0], params->req_flow_ctrl[0]);
  11510. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  11511. params->req_line_speed[1], params->req_flow_ctrl[1]);
  11512. DP(NETIF_MSG_LINK, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv);
  11513. vars->link_status = 0;
  11514. vars->phy_link_up = 0;
  11515. vars->link_up = 0;
  11516. vars->line_speed = 0;
  11517. vars->duplex = DUPLEX_FULL;
  11518. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11519. vars->mac_type = MAC_TYPE_NONE;
  11520. vars->phy_flags = 0;
  11521. vars->check_kr2_recovery_cnt = 0;
  11522. params->link_flags = PHY_INITIALIZED;
  11523. /* Driver opens NIG-BRB filters */
  11524. bnx2x_set_rx_filter(params, 1);
  11525. bnx2x_chng_link_count(params, true);
  11526. /* Check if link flap can be avoided */
  11527. lfa_status = bnx2x_check_lfa(params);
  11528. if (lfa_status == 0) {
  11529. DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
  11530. return bnx2x_avoid_link_flap(params, vars);
  11531. }
  11532. DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
  11533. lfa_status);
  11534. bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
  11535. /* Disable attentions */
  11536. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11537. (NIG_MASK_XGXS0_LINK_STATUS |
  11538. NIG_MASK_XGXS0_LINK10G |
  11539. NIG_MASK_SERDES0_LINK_STATUS |
  11540. NIG_MASK_MI_INT));
  11541. bnx2x_emac_init(params, vars);
  11542. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  11543. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  11544. if (params->num_phys == 0) {
  11545. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  11546. return -EINVAL;
  11547. }
  11548. set_phy_vars(params, vars);
  11549. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  11550. switch (params->loopback_mode) {
  11551. case LOOPBACK_BMAC:
  11552. bnx2x_init_bmac_loopback(params, vars);
  11553. break;
  11554. case LOOPBACK_EMAC:
  11555. bnx2x_init_emac_loopback(params, vars);
  11556. break;
  11557. case LOOPBACK_XMAC:
  11558. bnx2x_init_xmac_loopback(params, vars);
  11559. break;
  11560. case LOOPBACK_UMAC:
  11561. bnx2x_init_umac_loopback(params, vars);
  11562. break;
  11563. case LOOPBACK_XGXS:
  11564. case LOOPBACK_EXT_PHY:
  11565. bnx2x_init_xgxs_loopback(params, vars);
  11566. break;
  11567. default:
  11568. if (!CHIP_IS_E3(bp)) {
  11569. if (params->switch_cfg == SWITCH_CFG_10G)
  11570. bnx2x_xgxs_deassert(params);
  11571. else
  11572. bnx2x_serdes_deassert(bp, params->port);
  11573. }
  11574. bnx2x_link_initialize(params, vars);
  11575. msleep(30);
  11576. bnx2x_link_int_enable(params);
  11577. break;
  11578. }
  11579. bnx2x_update_mng(params, vars->link_status);
  11580. bnx2x_update_mng_eee(params, vars->eee_status);
  11581. return 0;
  11582. }
  11583. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  11584. u8 reset_ext_phy)
  11585. {
  11586. struct bnx2x *bp = params->bp;
  11587. u8 phy_index, port = params->port, clear_latch_ind = 0;
  11588. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  11589. /* Disable attentions */
  11590. vars->link_status = 0;
  11591. bnx2x_chng_link_count(params, true);
  11592. bnx2x_update_mng(params, vars->link_status);
  11593. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  11594. SHMEM_EEE_ACTIVE_BIT);
  11595. bnx2x_update_mng_eee(params, vars->eee_status);
  11596. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  11597. (NIG_MASK_XGXS0_LINK_STATUS |
  11598. NIG_MASK_XGXS0_LINK10G |
  11599. NIG_MASK_SERDES0_LINK_STATUS |
  11600. NIG_MASK_MI_INT));
  11601. /* Activate nig drain */
  11602. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  11603. /* Disable nig egress interface */
  11604. if (!CHIP_IS_E3(bp)) {
  11605. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  11606. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  11607. }
  11608. if (!CHIP_IS_E3(bp)) {
  11609. bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
  11610. } else {
  11611. bnx2x_set_xmac_rxtx(params, 0);
  11612. bnx2x_set_umac_rxtx(params, 0);
  11613. }
  11614. /* Disable emac */
  11615. if (!CHIP_IS_E3(bp))
  11616. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  11617. usleep_range(10000, 20000);
  11618. /* The PHY reset is controlled by GPIO 1
  11619. * Hold it as vars low
  11620. */
  11621. /* Clear link led */
  11622. bnx2x_set_mdio_emac_per_phy(bp, params);
  11623. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  11624. if (reset_ext_phy) {
  11625. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  11626. phy_index++) {
  11627. if (params->phy[phy_index].link_reset) {
  11628. bnx2x_set_aer_mmd(params,
  11629. &params->phy[phy_index]);
  11630. params->phy[phy_index].link_reset(
  11631. &params->phy[phy_index],
  11632. params);
  11633. }
  11634. if (params->phy[phy_index].flags &
  11635. FLAGS_REARM_LATCH_SIGNAL)
  11636. clear_latch_ind = 1;
  11637. }
  11638. }
  11639. if (clear_latch_ind) {
  11640. /* Clear latching indication */
  11641. bnx2x_rearm_latch_signal(bp, port, 0);
  11642. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  11643. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  11644. }
  11645. if (params->phy[INT_PHY].link_reset)
  11646. params->phy[INT_PHY].link_reset(
  11647. &params->phy[INT_PHY], params);
  11648. /* Disable nig ingress interface */
  11649. if (!CHIP_IS_E3(bp)) {
  11650. /* Reset BigMac */
  11651. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  11652. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  11653. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  11654. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  11655. } else {
  11656. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11657. bnx2x_set_xumac_nig(params, 0, 0);
  11658. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11659. MISC_REGISTERS_RESET_REG_2_XMAC)
  11660. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  11661. XMAC_CTRL_REG_SOFT_RESET);
  11662. }
  11663. vars->link_up = 0;
  11664. vars->phy_flags = 0;
  11665. return 0;
  11666. }
  11667. int bnx2x_lfa_reset(struct link_params *params,
  11668. struct link_vars *vars)
  11669. {
  11670. struct bnx2x *bp = params->bp;
  11671. vars->link_up = 0;
  11672. vars->phy_flags = 0;
  11673. params->link_flags &= ~PHY_INITIALIZED;
  11674. if (!params->lfa_base)
  11675. return bnx2x_link_reset(params, vars, 1);
  11676. /*
  11677. * Activate NIG drain so that during this time the device won't send
  11678. * anything while it is unable to response.
  11679. */
  11680. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11681. /*
  11682. * Close gracefully the gate from BMAC to NIG such that no half packets
  11683. * are passed.
  11684. */
  11685. if (!CHIP_IS_E3(bp))
  11686. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  11687. if (CHIP_IS_E3(bp)) {
  11688. bnx2x_set_xmac_rxtx(params, 0);
  11689. bnx2x_set_umac_rxtx(params, 0);
  11690. }
  11691. /* Wait 10ms for the pipe to clean up*/
  11692. usleep_range(10000, 20000);
  11693. /* Clean the NIG-BRB using the network filters in a way that will
  11694. * not cut a packet in the middle.
  11695. */
  11696. bnx2x_set_rx_filter(params, 0);
  11697. /*
  11698. * Re-open the gate between the BMAC and the NIG, after verifying the
  11699. * gate to the BRB is closed, otherwise packets may arrive to the
  11700. * firmware before driver had initialized it. The target is to achieve
  11701. * minimum management protocol down time.
  11702. */
  11703. if (!CHIP_IS_E3(bp))
  11704. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
  11705. if (CHIP_IS_E3(bp)) {
  11706. bnx2x_set_xmac_rxtx(params, 1);
  11707. bnx2x_set_umac_rxtx(params, 1);
  11708. }
  11709. /* Disable NIG drain */
  11710. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11711. return 0;
  11712. }
  11713. /****************************************************************************/
  11714. /* Common function */
  11715. /****************************************************************************/
  11716. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  11717. u32 shmem_base_path[],
  11718. u32 shmem2_base_path[], u8 phy_index,
  11719. u32 chip_id)
  11720. {
  11721. struct bnx2x_phy phy[PORT_MAX];
  11722. struct bnx2x_phy *phy_blk[PORT_MAX];
  11723. u16 val;
  11724. s8 port = 0;
  11725. s8 port_of_path = 0;
  11726. u32 swap_val, swap_override;
  11727. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11728. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11729. port ^= (swap_val && swap_override);
  11730. bnx2x_ext_phy_hw_reset(bp, port);
  11731. /* PART1 - Reset both phys */
  11732. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11733. u32 shmem_base, shmem2_base;
  11734. /* In E2, same phy is using for port0 of the two paths */
  11735. if (CHIP_IS_E1x(bp)) {
  11736. shmem_base = shmem_base_path[0];
  11737. shmem2_base = shmem2_base_path[0];
  11738. port_of_path = port;
  11739. } else {
  11740. shmem_base = shmem_base_path[port];
  11741. shmem2_base = shmem2_base_path[port];
  11742. port_of_path = 0;
  11743. }
  11744. /* Extract the ext phy address for the port */
  11745. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11746. port_of_path, &phy[port]) !=
  11747. 0) {
  11748. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11749. return -EINVAL;
  11750. }
  11751. /* Disable attentions */
  11752. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11753. port_of_path*4,
  11754. (NIG_MASK_XGXS0_LINK_STATUS |
  11755. NIG_MASK_XGXS0_LINK10G |
  11756. NIG_MASK_SERDES0_LINK_STATUS |
  11757. NIG_MASK_MI_INT));
  11758. /* Need to take the phy out of low power mode in order
  11759. * to write to access its registers
  11760. */
  11761. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11762. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11763. port);
  11764. /* Reset the phy */
  11765. bnx2x_cl45_write(bp, &phy[port],
  11766. MDIO_PMA_DEVAD,
  11767. MDIO_PMA_REG_CTRL,
  11768. 1<<15);
  11769. }
  11770. /* Add delay of 150ms after reset */
  11771. msleep(150);
  11772. if (phy[PORT_0].addr & 0x1) {
  11773. phy_blk[PORT_0] = &(phy[PORT_1]);
  11774. phy_blk[PORT_1] = &(phy[PORT_0]);
  11775. } else {
  11776. phy_blk[PORT_0] = &(phy[PORT_0]);
  11777. phy_blk[PORT_1] = &(phy[PORT_1]);
  11778. }
  11779. /* PART2 - Download firmware to both phys */
  11780. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11781. if (CHIP_IS_E1x(bp))
  11782. port_of_path = port;
  11783. else
  11784. port_of_path = 0;
  11785. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11786. phy_blk[port]->addr);
  11787. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11788. port_of_path))
  11789. return -EINVAL;
  11790. /* Only set bit 10 = 1 (Tx power down) */
  11791. bnx2x_cl45_read(bp, phy_blk[port],
  11792. MDIO_PMA_DEVAD,
  11793. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11794. /* Phase1 of TX_POWER_DOWN reset */
  11795. bnx2x_cl45_write(bp, phy_blk[port],
  11796. MDIO_PMA_DEVAD,
  11797. MDIO_PMA_REG_TX_POWER_DOWN,
  11798. (val | 1<<10));
  11799. }
  11800. /* Toggle Transmitter: Power down and then up with 600ms delay
  11801. * between
  11802. */
  11803. msleep(600);
  11804. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  11805. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11806. /* Phase2 of POWER_DOWN_RESET */
  11807. /* Release bit 10 (Release Tx power down) */
  11808. bnx2x_cl45_read(bp, phy_blk[port],
  11809. MDIO_PMA_DEVAD,
  11810. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11811. bnx2x_cl45_write(bp, phy_blk[port],
  11812. MDIO_PMA_DEVAD,
  11813. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  11814. usleep_range(15000, 30000);
  11815. /* Read modify write the SPI-ROM version select register */
  11816. bnx2x_cl45_read(bp, phy_blk[port],
  11817. MDIO_PMA_DEVAD,
  11818. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  11819. bnx2x_cl45_write(bp, phy_blk[port],
  11820. MDIO_PMA_DEVAD,
  11821. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  11822. /* set GPIO2 back to LOW */
  11823. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11824. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  11825. }
  11826. return 0;
  11827. }
  11828. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  11829. u32 shmem_base_path[],
  11830. u32 shmem2_base_path[], u8 phy_index,
  11831. u32 chip_id)
  11832. {
  11833. u32 val;
  11834. s8 port;
  11835. struct bnx2x_phy phy;
  11836. /* Use port1 because of the static port-swap */
  11837. /* Enable the module detection interrupt */
  11838. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11839. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  11840. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  11841. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11842. bnx2x_ext_phy_hw_reset(bp, 0);
  11843. usleep_range(5000, 10000);
  11844. for (port = 0; port < PORT_MAX; port++) {
  11845. u32 shmem_base, shmem2_base;
  11846. /* In E2, same phy is using for port0 of the two paths */
  11847. if (CHIP_IS_E1x(bp)) {
  11848. shmem_base = shmem_base_path[0];
  11849. shmem2_base = shmem2_base_path[0];
  11850. } else {
  11851. shmem_base = shmem_base_path[port];
  11852. shmem2_base = shmem2_base_path[port];
  11853. }
  11854. /* Extract the ext phy address for the port */
  11855. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11856. port, &phy) !=
  11857. 0) {
  11858. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11859. return -EINVAL;
  11860. }
  11861. /* Reset phy*/
  11862. bnx2x_cl45_write(bp, &phy,
  11863. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  11864. /* Set fault module detected LED on */
  11865. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  11866. MISC_REGISTERS_GPIO_HIGH,
  11867. port);
  11868. }
  11869. return 0;
  11870. }
  11871. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  11872. u8 *io_gpio, u8 *io_port)
  11873. {
  11874. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  11875. offsetof(struct shmem_region,
  11876. dev_info.port_hw_config[PORT_0].default_cfg));
  11877. switch (phy_gpio_reset) {
  11878. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  11879. *io_gpio = 0;
  11880. *io_port = 0;
  11881. break;
  11882. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  11883. *io_gpio = 1;
  11884. *io_port = 0;
  11885. break;
  11886. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  11887. *io_gpio = 2;
  11888. *io_port = 0;
  11889. break;
  11890. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  11891. *io_gpio = 3;
  11892. *io_port = 0;
  11893. break;
  11894. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  11895. *io_gpio = 0;
  11896. *io_port = 1;
  11897. break;
  11898. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  11899. *io_gpio = 1;
  11900. *io_port = 1;
  11901. break;
  11902. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  11903. *io_gpio = 2;
  11904. *io_port = 1;
  11905. break;
  11906. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  11907. *io_gpio = 3;
  11908. *io_port = 1;
  11909. break;
  11910. default:
  11911. /* Don't override the io_gpio and io_port */
  11912. break;
  11913. }
  11914. }
  11915. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  11916. u32 shmem_base_path[],
  11917. u32 shmem2_base_path[], u8 phy_index,
  11918. u32 chip_id)
  11919. {
  11920. s8 port, reset_gpio;
  11921. u32 swap_val, swap_override;
  11922. struct bnx2x_phy phy[PORT_MAX];
  11923. struct bnx2x_phy *phy_blk[PORT_MAX];
  11924. s8 port_of_path;
  11925. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11926. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11927. reset_gpio = MISC_REGISTERS_GPIO_1;
  11928. port = 1;
  11929. /* Retrieve the reset gpio/port which control the reset.
  11930. * Default is GPIO1, PORT1
  11931. */
  11932. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  11933. (u8 *)&reset_gpio, (u8 *)&port);
  11934. /* Calculate the port based on port swap */
  11935. port ^= (swap_val && swap_override);
  11936. /* Initiate PHY reset*/
  11937. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  11938. port);
  11939. usleep_range(1000, 2000);
  11940. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11941. port);
  11942. usleep_range(5000, 10000);
  11943. /* PART1 - Reset both phys */
  11944. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11945. u32 shmem_base, shmem2_base;
  11946. /* In E2, same phy is using for port0 of the two paths */
  11947. if (CHIP_IS_E1x(bp)) {
  11948. shmem_base = shmem_base_path[0];
  11949. shmem2_base = shmem2_base_path[0];
  11950. port_of_path = port;
  11951. } else {
  11952. shmem_base = shmem_base_path[port];
  11953. shmem2_base = shmem2_base_path[port];
  11954. port_of_path = 0;
  11955. }
  11956. /* Extract the ext phy address for the port */
  11957. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11958. port_of_path, &phy[port]) !=
  11959. 0) {
  11960. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11961. return -EINVAL;
  11962. }
  11963. /* disable attentions */
  11964. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11965. port_of_path*4,
  11966. (NIG_MASK_XGXS0_LINK_STATUS |
  11967. NIG_MASK_XGXS0_LINK10G |
  11968. NIG_MASK_SERDES0_LINK_STATUS |
  11969. NIG_MASK_MI_INT));
  11970. /* Reset the phy */
  11971. bnx2x_cl45_write(bp, &phy[port],
  11972. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  11973. }
  11974. /* Add delay of 150ms after reset */
  11975. msleep(150);
  11976. if (phy[PORT_0].addr & 0x1) {
  11977. phy_blk[PORT_0] = &(phy[PORT_1]);
  11978. phy_blk[PORT_1] = &(phy[PORT_0]);
  11979. } else {
  11980. phy_blk[PORT_0] = &(phy[PORT_0]);
  11981. phy_blk[PORT_1] = &(phy[PORT_1]);
  11982. }
  11983. /* PART2 - Download firmware to both phys */
  11984. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11985. if (CHIP_IS_E1x(bp))
  11986. port_of_path = port;
  11987. else
  11988. port_of_path = 0;
  11989. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11990. phy_blk[port]->addr);
  11991. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11992. port_of_path))
  11993. return -EINVAL;
  11994. /* Disable PHY transmitter output */
  11995. bnx2x_cl45_write(bp, phy_blk[port],
  11996. MDIO_PMA_DEVAD,
  11997. MDIO_PMA_REG_TX_DISABLE, 1);
  11998. }
  11999. return 0;
  12000. }
  12001. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  12002. u32 shmem_base_path[],
  12003. u32 shmem2_base_path[],
  12004. u8 phy_index,
  12005. u32 chip_id)
  12006. {
  12007. u8 reset_gpios;
  12008. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  12009. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  12010. udelay(10);
  12011. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  12012. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  12013. reset_gpios);
  12014. return 0;
  12015. }
  12016. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  12017. u32 shmem2_base_path[], u8 phy_index,
  12018. u32 ext_phy_type, u32 chip_id)
  12019. {
  12020. int rc = 0;
  12021. switch (ext_phy_type) {
  12022. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  12023. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  12024. shmem2_base_path,
  12025. phy_index, chip_id);
  12026. break;
  12027. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  12028. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  12029. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  12030. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  12031. shmem2_base_path,
  12032. phy_index, chip_id);
  12033. break;
  12034. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  12035. /* GPIO1 affects both ports, so there's need to pull
  12036. * it for single port alone
  12037. */
  12038. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  12039. shmem2_base_path,
  12040. phy_index, chip_id);
  12041. break;
  12042. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  12043. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  12044. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858:
  12045. /* GPIO3's are linked, and so both need to be toggled
  12046. * to obtain required 2us pulse.
  12047. */
  12048. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  12049. shmem2_base_path,
  12050. phy_index, chip_id);
  12051. break;
  12052. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  12053. rc = -EINVAL;
  12054. break;
  12055. default:
  12056. DP(NETIF_MSG_LINK,
  12057. "ext_phy 0x%x common init not required\n",
  12058. ext_phy_type);
  12059. break;
  12060. }
  12061. if (rc)
  12062. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  12063. " Port %d\n",
  12064. 0);
  12065. return rc;
  12066. }
  12067. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  12068. u32 shmem2_base_path[], u32 chip_id)
  12069. {
  12070. int rc = 0;
  12071. u32 phy_ver, val;
  12072. u8 phy_index = 0;
  12073. u32 ext_phy_type, ext_phy_config;
  12074. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
  12075. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
  12076. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  12077. if (CHIP_IS_E3(bp)) {
  12078. /* Enable EPIO */
  12079. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  12080. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  12081. }
  12082. /* Check if common init was already done */
  12083. phy_ver = REG_RD(bp, shmem_base_path[0] +
  12084. offsetof(struct shmem_region,
  12085. port_mb[PORT_0].ext_phy_fw_version));
  12086. if (phy_ver) {
  12087. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  12088. phy_ver);
  12089. return 0;
  12090. }
  12091. /* Read the ext_phy_type for arbitrary port(0) */
  12092. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12093. phy_index++) {
  12094. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  12095. shmem_base_path[0],
  12096. phy_index, 0);
  12097. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  12098. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  12099. shmem2_base_path,
  12100. phy_index, ext_phy_type,
  12101. chip_id);
  12102. }
  12103. return rc;
  12104. }
  12105. static void bnx2x_check_over_curr(struct link_params *params,
  12106. struct link_vars *vars)
  12107. {
  12108. struct bnx2x *bp = params->bp;
  12109. u32 cfg_pin;
  12110. u8 port = params->port;
  12111. u32 pin_val;
  12112. cfg_pin = (REG_RD(bp, params->shmem_base +
  12113. offsetof(struct shmem_region,
  12114. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  12115. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  12116. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  12117. /* Ignore check if no external input PIN available */
  12118. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  12119. return;
  12120. if (!pin_val) {
  12121. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  12122. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  12123. " been detected and the power to "
  12124. "that SFP+ module has been removed"
  12125. " to prevent failure of the card."
  12126. " Please remove the SFP+ module and"
  12127. " restart the system to clear this"
  12128. " error.\n",
  12129. params->port);
  12130. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  12131. bnx2x_warpcore_power_module(params, 0);
  12132. }
  12133. } else
  12134. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  12135. }
  12136. /* Returns 0 if no change occurred since last check; 1 otherwise. */
  12137. static u8 bnx2x_analyze_link_error(struct link_params *params,
  12138. struct link_vars *vars, u32 status,
  12139. u32 phy_flag, u32 link_flag, u8 notify)
  12140. {
  12141. struct bnx2x *bp = params->bp;
  12142. /* Compare new value with previous value */
  12143. u8 led_mode;
  12144. u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
  12145. if ((status ^ old_status) == 0)
  12146. return 0;
  12147. /* If values differ */
  12148. switch (phy_flag) {
  12149. case PHY_HALF_OPEN_CONN_FLAG:
  12150. DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
  12151. break;
  12152. case PHY_SFP_TX_FAULT_FLAG:
  12153. DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
  12154. break;
  12155. default:
  12156. DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
  12157. }
  12158. DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
  12159. old_status, status);
  12160. /* Do not touch the link in case physical link down */
  12161. if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
  12162. return 1;
  12163. /* a. Update shmem->link_status accordingly
  12164. * b. Update link_vars->link_up
  12165. */
  12166. if (status) {
  12167. vars->link_status &= ~LINK_STATUS_LINK_UP;
  12168. vars->link_status |= link_flag;
  12169. vars->link_up = 0;
  12170. vars->phy_flags |= phy_flag;
  12171. /* activate nig drain */
  12172. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  12173. /* Set LED mode to off since the PHY doesn't know about these
  12174. * errors
  12175. */
  12176. led_mode = LED_MODE_OFF;
  12177. } else {
  12178. vars->link_status |= LINK_STATUS_LINK_UP;
  12179. vars->link_status &= ~link_flag;
  12180. vars->link_up = 1;
  12181. vars->phy_flags &= ~phy_flag;
  12182. led_mode = LED_MODE_OPER;
  12183. /* Clear nig drain */
  12184. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  12185. }
  12186. bnx2x_sync_link(params, vars);
  12187. /* Update the LED according to the link state */
  12188. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  12189. /* Update link status in the shared memory */
  12190. bnx2x_update_mng(params, vars->link_status);
  12191. /* C. Trigger General Attention */
  12192. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  12193. if (notify)
  12194. bnx2x_notify_link_changed(bp);
  12195. return 1;
  12196. }
  12197. /******************************************************************************
  12198. * Description:
  12199. * This function checks for half opened connection change indication.
  12200. * When such change occurs, it calls the bnx2x_analyze_link_error
  12201. * to check if Remote Fault is set or cleared. Reception of remote fault
  12202. * status message in the MAC indicates that the peer's MAC has detected
  12203. * a fault, for example, due to break in the TX side of fiber.
  12204. *
  12205. ******************************************************************************/
  12206. static int bnx2x_check_half_open_conn(struct link_params *params,
  12207. struct link_vars *vars,
  12208. u8 notify)
  12209. {
  12210. struct bnx2x *bp = params->bp;
  12211. u32 lss_status = 0;
  12212. u32 mac_base;
  12213. /* In case link status is physically up @ 10G do */
  12214. if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
  12215. (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
  12216. return 0;
  12217. if (CHIP_IS_E3(bp) &&
  12218. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  12219. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  12220. /* Check E3 XMAC */
  12221. /* Note that link speed cannot be queried here, since it may be
  12222. * zero while link is down. In case UMAC is active, LSS will
  12223. * simply not be set
  12224. */
  12225. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  12226. /* Clear stick bits (Requires rising edge) */
  12227. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  12228. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  12229. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  12230. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  12231. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  12232. lss_status = 1;
  12233. bnx2x_analyze_link_error(params, vars, lss_status,
  12234. PHY_HALF_OPEN_CONN_FLAG,
  12235. LINK_STATUS_NONE, notify);
  12236. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  12237. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  12238. /* Check E1X / E2 BMAC */
  12239. u32 lss_status_reg;
  12240. u32 wb_data[2];
  12241. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  12242. NIG_REG_INGRESS_BMAC0_MEM;
  12243. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  12244. if (CHIP_IS_E2(bp))
  12245. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  12246. else
  12247. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  12248. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  12249. lss_status = (wb_data[0] > 0);
  12250. bnx2x_analyze_link_error(params, vars, lss_status,
  12251. PHY_HALF_OPEN_CONN_FLAG,
  12252. LINK_STATUS_NONE, notify);
  12253. }
  12254. return 0;
  12255. }
  12256. static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
  12257. struct link_params *params,
  12258. struct link_vars *vars)
  12259. {
  12260. struct bnx2x *bp = params->bp;
  12261. u32 cfg_pin, value = 0;
  12262. u8 led_change, port = params->port;
  12263. /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
  12264. cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
  12265. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  12266. PORT_HW_CFG_E3_TX_FAULT_MASK) >>
  12267. PORT_HW_CFG_E3_TX_FAULT_SHIFT;
  12268. if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
  12269. DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
  12270. return;
  12271. }
  12272. led_change = bnx2x_analyze_link_error(params, vars, value,
  12273. PHY_SFP_TX_FAULT_FLAG,
  12274. LINK_STATUS_SFP_TX_FAULT, 1);
  12275. if (led_change) {
  12276. /* Change TX_Fault led, set link status for further syncs */
  12277. u8 led_mode;
  12278. if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
  12279. led_mode = MISC_REGISTERS_GPIO_HIGH;
  12280. vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
  12281. } else {
  12282. led_mode = MISC_REGISTERS_GPIO_LOW;
  12283. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  12284. }
  12285. /* If module is unapproved, led should be on regardless */
  12286. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  12287. DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
  12288. led_mode);
  12289. bnx2x_set_e3_module_fault_led(params, led_mode);
  12290. }
  12291. }
  12292. }
  12293. static void bnx2x_kr2_recovery(struct link_params *params,
  12294. struct link_vars *vars,
  12295. struct bnx2x_phy *phy)
  12296. {
  12297. struct bnx2x *bp = params->bp;
  12298. DP(NETIF_MSG_LINK, "KR2 recovery\n");
  12299. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  12300. bnx2x_warpcore_restart_AN_KR(phy, params);
  12301. }
  12302. static void bnx2x_check_kr2_wa(struct link_params *params,
  12303. struct link_vars *vars,
  12304. struct bnx2x_phy *phy)
  12305. {
  12306. struct bnx2x *bp = params->bp;
  12307. u16 base_page, next_page, not_kr2_device, lane;
  12308. int sigdet;
  12309. /* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
  12310. * Since some switches tend to reinit the AN process and clear the
  12311. * the advertised BP/NP after ~2 seconds causing the KR2 to be disabled
  12312. * and recovered many times
  12313. */
  12314. if (vars->check_kr2_recovery_cnt > 0) {
  12315. vars->check_kr2_recovery_cnt--;
  12316. return;
  12317. }
  12318. sigdet = bnx2x_warpcore_get_sigdet(phy, params);
  12319. if (!sigdet) {
  12320. if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  12321. bnx2x_kr2_recovery(params, vars, phy);
  12322. DP(NETIF_MSG_LINK, "No sigdet\n");
  12323. }
  12324. return;
  12325. }
  12326. lane = bnx2x_get_warpcore_lane(phy, params);
  12327. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  12328. MDIO_AER_BLOCK_AER_REG, lane);
  12329. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  12330. MDIO_AN_REG_LP_AUTO_NEG, &base_page);
  12331. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  12332. MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
  12333. bnx2x_set_aer_mmd(params, phy);
  12334. /* CL73 has not begun yet */
  12335. if (base_page == 0) {
  12336. if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  12337. bnx2x_kr2_recovery(params, vars, phy);
  12338. DP(NETIF_MSG_LINK, "No BP\n");
  12339. }
  12340. return;
  12341. }
  12342. /* In case NP bit is not set in the BasePage, or it is set,
  12343. * but only KX is advertised, declare this link partner as non-KR2
  12344. * device.
  12345. */
  12346. not_kr2_device = (((base_page & 0x8000) == 0) ||
  12347. (((base_page & 0x8000) &&
  12348. ((next_page & 0xe0) == 0x20))));
  12349. /* In case KR2 is already disabled, check if we need to re-enable it */
  12350. if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  12351. if (!not_kr2_device) {
  12352. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
  12353. next_page);
  12354. bnx2x_kr2_recovery(params, vars, phy);
  12355. }
  12356. return;
  12357. }
  12358. /* KR2 is enabled, but not KR2 device */
  12359. if (not_kr2_device) {
  12360. /* Disable KR2 on both lanes */
  12361. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
  12362. bnx2x_disable_kr2(params, vars, phy);
  12363. /* Restart AN on leading lane */
  12364. bnx2x_warpcore_restart_AN_KR(phy, params);
  12365. return;
  12366. }
  12367. }
  12368. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  12369. {
  12370. u16 phy_idx;
  12371. struct bnx2x *bp = params->bp;
  12372. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  12373. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  12374. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  12375. if (bnx2x_check_half_open_conn(params, vars, 1) !=
  12376. 0)
  12377. DP(NETIF_MSG_LINK, "Fault detection failed\n");
  12378. break;
  12379. }
  12380. }
  12381. if (CHIP_IS_E3(bp)) {
  12382. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  12383. bnx2x_set_aer_mmd(params, phy);
  12384. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  12385. (phy->speed_cap_mask &
  12386. PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
  12387. (phy->req_line_speed == SPEED_20000))
  12388. bnx2x_check_kr2_wa(params, vars, phy);
  12389. bnx2x_check_over_curr(params, vars);
  12390. if (vars->rx_tx_asic_rst)
  12391. bnx2x_warpcore_config_runtime(phy, params, vars);
  12392. if ((REG_RD(bp, params->shmem_base +
  12393. offsetof(struct shmem_region, dev_info.
  12394. port_hw_config[params->port].default_cfg))
  12395. & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
  12396. PORT_HW_CFG_NET_SERDES_IF_SFI) {
  12397. if (bnx2x_is_sfp_module_plugged(phy, params)) {
  12398. bnx2x_sfp_tx_fault_detection(phy, params, vars);
  12399. } else if (vars->link_status &
  12400. LINK_STATUS_SFP_TX_FAULT) {
  12401. /* Clean trail, interrupt corrects the leds */
  12402. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  12403. vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
  12404. /* Update link status in the shared memory */
  12405. bnx2x_update_mng(params, vars->link_status);
  12406. }
  12407. }
  12408. }
  12409. }
  12410. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  12411. u32 shmem_base,
  12412. u32 shmem2_base,
  12413. u8 port)
  12414. {
  12415. u8 phy_index, fan_failure_det_req = 0;
  12416. struct bnx2x_phy phy;
  12417. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12418. phy_index++) {
  12419. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  12420. port, &phy)
  12421. != 0) {
  12422. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12423. return 0;
  12424. }
  12425. fan_failure_det_req |= (phy.flags &
  12426. FLAGS_FAN_FAILURE_DET_REQ);
  12427. }
  12428. return fan_failure_det_req;
  12429. }
  12430. void bnx2x_hw_reset_phy(struct link_params *params)
  12431. {
  12432. u8 phy_index;
  12433. struct bnx2x *bp = params->bp;
  12434. bnx2x_update_mng(params, 0);
  12435. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  12436. (NIG_MASK_XGXS0_LINK_STATUS |
  12437. NIG_MASK_XGXS0_LINK10G |
  12438. NIG_MASK_SERDES0_LINK_STATUS |
  12439. NIG_MASK_MI_INT));
  12440. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  12441. phy_index++) {
  12442. if (params->phy[phy_index].hw_reset) {
  12443. params->phy[phy_index].hw_reset(
  12444. &params->phy[phy_index],
  12445. params);
  12446. params->phy[phy_index] = phy_null;
  12447. }
  12448. }
  12449. }
  12450. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  12451. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  12452. u8 port)
  12453. {
  12454. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  12455. u32 val;
  12456. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  12457. if (CHIP_IS_E3(bp)) {
  12458. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  12459. shmem_base,
  12460. port,
  12461. &gpio_num,
  12462. &gpio_port) != 0)
  12463. return;
  12464. } else {
  12465. struct bnx2x_phy phy;
  12466. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12467. phy_index++) {
  12468. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  12469. shmem2_base, port, &phy)
  12470. != 0) {
  12471. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12472. return;
  12473. }
  12474. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  12475. gpio_num = MISC_REGISTERS_GPIO_3;
  12476. gpio_port = port;
  12477. break;
  12478. }
  12479. }
  12480. }
  12481. if (gpio_num == 0xff)
  12482. return;
  12483. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  12484. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  12485. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  12486. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  12487. gpio_port ^= (swap_val && swap_override);
  12488. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  12489. (gpio_num + (gpio_port << 2));
  12490. sync_offset = shmem_base +
  12491. offsetof(struct shmem_region,
  12492. dev_info.port_hw_config[port].aeu_int_mask);
  12493. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  12494. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  12495. gpio_num, gpio_port, vars->aeu_int_mask);
  12496. if (port == 0)
  12497. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  12498. else
  12499. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  12500. /* Open appropriate AEU for interrupts */
  12501. aeu_mask = REG_RD(bp, offset);
  12502. aeu_mask |= vars->aeu_int_mask;
  12503. REG_WR(bp, offset, aeu_mask);
  12504. /* Enable the GPIO to trigger interrupt */
  12505. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  12506. val |= 1 << (gpio_num + (gpio_port << 2));
  12507. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  12508. }