bnx2x_link.c 399 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163116411651166116711681169117011711172117311741175117611771178117911801181118211831184118511861187118811891190119111921193119411951196119711981199120012011202120312041205120612071208120912101211121212131214121512161217121812191220122112221223122412251226122712281229123012311232123312341235123612371238123912401241124212431244124512461247124812491250125112521253125412551256125712581259126012611262126312641265126612671268126912701271127212731274127512761277127812791280128112821283128412851286128712881289129012911292129312941295129612971298129913001301130213031304130513061307130813091310131113121313131413151316131713181319132013211322132313241325132613271328132913301331133213331334133513361337133813391340134113421343134413451346134713481349135013511352135313541355135613571358135913601361136213631364136513661367136813691370137113721373137413751376137713781379138013811382138313841385138613871388138913901391139213931394139513961397139813991400140114021403140414051406140714081409141014111412141314141415141614171418141914201421142214231424142514261427142814291430143114321433143414351436143714381439144014411442144314441445144614471448144914501451145214531454145514561457145814591460146114621463146414651466146714681469147014711472147314741475147614771478147914801481148214831484148514861487148814891490149114921493149414951496149714981499150015011502150315041505150615071508150915101511151215131514151515161517151815191520152115221523152415251526152715281529153015311532153315341535153615371538153915401541154215431544154515461547154815491550155115521553155415551556155715581559156015611562156315641565156615671568156915701571157215731574157515761577157815791580158115821583158415851586158715881589159015911592159315941595159615971598159916001601160216031604160516061607160816091610161116121613161416151616161716181619162016211622162316241625162616271628162916301631163216331634163516361637163816391640164116421643164416451646164716481649165016511652165316541655165616571658165916601661166216631664166516661667166816691670167116721673167416751676167716781679168016811682168316841685168616871688168916901691169216931694169516961697169816991700170117021703170417051706170717081709171017111712171317141715171617171718171917201721172217231724172517261727172817291730173117321733173417351736173717381739174017411742174317441745174617471748174917501751175217531754175517561757175817591760176117621763176417651766176717681769177017711772177317741775177617771778177917801781178217831784178517861787178817891790179117921793179417951796179717981799180018011802180318041805180618071808180918101811181218131814181518161817181818191820182118221823182418251826182718281829183018311832183318341835183618371838183918401841184218431844184518461847184818491850185118521853185418551856185718581859186018611862186318641865186618671868186918701871187218731874187518761877187818791880188118821883188418851886188718881889189018911892189318941895189618971898189919001901190219031904190519061907190819091910191119121913191419151916191719181919192019211922192319241925192619271928192919301931193219331934193519361937193819391940194119421943194419451946194719481949195019511952195319541955195619571958195919601961196219631964196519661967196819691970197119721973197419751976197719781979198019811982198319841985198619871988198919901991199219931994199519961997199819992000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024202520262027202820292030203120322033203420352036203720382039204020412042204320442045204620472048204920502051205220532054205520562057205820592060206120622063206420652066206720682069207020712072207320742075207620772078207920802081208220832084208520862087208820892090209120922093209420952096209720982099210021012102210321042105210621072108210921102111211221132114211521162117211821192120212121222123212421252126212721282129213021312132213321342135213621372138213921402141214221432144214521462147214821492150215121522153215421552156215721582159216021612162216321642165216621672168216921702171217221732174217521762177217821792180218121822183218421852186218721882189219021912192219321942195219621972198219922002201220222032204220522062207220822092210221122122213221422152216221722182219222022212222222322242225222622272228222922302231223222332234223522362237223822392240224122422243224422452246224722482249225022512252225322542255225622572258225922602261226222632264226522662267226822692270227122722273227422752276227722782279228022812282228322842285228622872288228922902291229222932294229522962297229822992300230123022303230423052306230723082309231023112312231323142315231623172318231923202321232223232324232523262327232823292330233123322333233423352336233723382339234023412342234323442345234623472348234923502351235223532354235523562357235823592360236123622363236423652366236723682369237023712372237323742375237623772378237923802381238223832384238523862387238823892390239123922393239423952396239723982399240024012402240324042405240624072408240924102411241224132414241524162417241824192420242124222423242424252426242724282429243024312432243324342435243624372438243924402441244224432444244524462447244824492450245124522453245424552456245724582459246024612462246324642465246624672468246924702471247224732474247524762477247824792480248124822483248424852486248724882489249024912492249324942495249624972498249925002501250225032504250525062507250825092510251125122513251425152516251725182519252025212522252325242525252625272528252925302531253225332534253525362537253825392540254125422543254425452546254725482549255025512552255325542555255625572558255925602561256225632564256525662567256825692570257125722573257425752576257725782579258025812582258325842585258625872588258925902591259225932594259525962597259825992600260126022603260426052606260726082609261026112612261326142615261626172618261926202621262226232624262526262627262826292630263126322633263426352636263726382639264026412642264326442645264626472648264926502651265226532654265526562657265826592660266126622663266426652666266726682669267026712672267326742675267626772678267926802681268226832684268526862687268826892690269126922693269426952696269726982699270027012702270327042705270627072708270927102711271227132714271527162717271827192720272127222723272427252726272727282729273027312732273327342735273627372738273927402741274227432744274527462747274827492750275127522753275427552756275727582759276027612762276327642765276627672768276927702771277227732774277527762777277827792780278127822783278427852786278727882789279027912792279327942795279627972798279928002801280228032804280528062807280828092810281128122813281428152816281728182819282028212822282328242825282628272828282928302831283228332834283528362837283828392840284128422843284428452846284728482849285028512852285328542855285628572858285928602861286228632864286528662867286828692870287128722873287428752876287728782879288028812882288328842885288628872888288928902891289228932894289528962897289828992900290129022903290429052906290729082909291029112912291329142915291629172918291929202921292229232924292529262927292829292930293129322933293429352936293729382939294029412942294329442945294629472948294929502951295229532954295529562957295829592960296129622963296429652966296729682969297029712972297329742975297629772978297929802981298229832984298529862987298829892990299129922993299429952996299729982999300030013002300330043005300630073008300930103011301230133014301530163017301830193020302130223023302430253026302730283029303030313032303330343035303630373038303930403041304230433044304530463047304830493050305130523053305430553056305730583059306030613062306330643065306630673068306930703071307230733074307530763077307830793080308130823083308430853086308730883089309030913092309330943095309630973098309931003101310231033104310531063107310831093110311131123113311431153116311731183119312031213122312331243125312631273128312931303131313231333134313531363137313831393140314131423143314431453146314731483149315031513152315331543155315631573158315931603161316231633164316531663167316831693170317131723173317431753176317731783179318031813182318331843185318631873188318931903191319231933194319531963197319831993200320132023203320432053206320732083209321032113212321332143215321632173218321932203221322232233224322532263227322832293230323132323233323432353236323732383239324032413242324332443245324632473248324932503251325232533254325532563257325832593260326132623263326432653266326732683269327032713272327332743275327632773278327932803281328232833284328532863287328832893290329132923293329432953296329732983299330033013302330333043305330633073308330933103311331233133314331533163317331833193320332133223323332433253326332733283329333033313332333333343335333633373338333933403341334233433344334533463347334833493350335133523353335433553356335733583359336033613362336333643365336633673368336933703371337233733374337533763377337833793380338133823383338433853386338733883389339033913392339333943395339633973398339934003401340234033404340534063407340834093410341134123413341434153416341734183419342034213422342334243425342634273428342934303431343234333434343534363437343834393440344134423443344434453446344734483449345034513452345334543455345634573458345934603461346234633464346534663467346834693470347134723473347434753476347734783479348034813482348334843485348634873488348934903491349234933494349534963497349834993500350135023503350435053506350735083509351035113512351335143515351635173518351935203521352235233524352535263527352835293530353135323533353435353536353735383539354035413542354335443545354635473548354935503551355235533554355535563557355835593560356135623563356435653566356735683569357035713572357335743575357635773578357935803581358235833584358535863587358835893590359135923593359435953596359735983599360036013602360336043605360636073608360936103611361236133614361536163617361836193620362136223623362436253626362736283629363036313632363336343635363636373638363936403641364236433644364536463647364836493650365136523653365436553656365736583659366036613662366336643665366636673668366936703671367236733674367536763677367836793680368136823683368436853686368736883689369036913692369336943695369636973698369937003701370237033704370537063707370837093710371137123713371437153716371737183719372037213722372337243725372637273728372937303731373237333734373537363737373837393740374137423743374437453746374737483749375037513752375337543755375637573758375937603761376237633764376537663767376837693770377137723773377437753776377737783779378037813782378337843785378637873788378937903791379237933794379537963797379837993800380138023803380438053806380738083809381038113812381338143815381638173818381938203821382238233824382538263827382838293830383138323833383438353836383738383839384038413842384338443845384638473848384938503851385238533854385538563857385838593860386138623863386438653866386738683869387038713872387338743875387638773878387938803881388238833884388538863887388838893890389138923893389438953896389738983899390039013902390339043905390639073908390939103911391239133914391539163917391839193920392139223923392439253926392739283929393039313932393339343935393639373938393939403941394239433944394539463947394839493950395139523953395439553956395739583959396039613962396339643965396639673968396939703971397239733974397539763977397839793980398139823983398439853986398739883989399039913992399339943995399639973998399940004001400240034004400540064007400840094010401140124013401440154016401740184019402040214022402340244025402640274028402940304031403240334034403540364037403840394040404140424043404440454046404740484049405040514052405340544055405640574058405940604061406240634064406540664067406840694070407140724073407440754076407740784079408040814082408340844085408640874088408940904091409240934094409540964097409840994100410141024103410441054106410741084109411041114112411341144115411641174118411941204121412241234124412541264127412841294130413141324133413441354136413741384139414041414142414341444145414641474148414941504151415241534154415541564157415841594160416141624163416441654166416741684169417041714172417341744175417641774178417941804181418241834184418541864187418841894190419141924193419441954196419741984199420042014202420342044205420642074208420942104211421242134214421542164217421842194220422142224223422442254226422742284229423042314232423342344235423642374238423942404241424242434244424542464247424842494250425142524253425442554256425742584259426042614262426342644265426642674268426942704271427242734274427542764277427842794280428142824283428442854286428742884289429042914292429342944295429642974298429943004301430243034304430543064307430843094310431143124313431443154316431743184319432043214322432343244325432643274328432943304331433243334334433543364337433843394340434143424343434443454346434743484349435043514352435343544355435643574358435943604361436243634364436543664367436843694370437143724373437443754376437743784379438043814382438343844385438643874388438943904391439243934394439543964397439843994400440144024403440444054406440744084409441044114412441344144415441644174418441944204421442244234424442544264427442844294430443144324433443444354436443744384439444044414442444344444445444644474448444944504451445244534454445544564457445844594460446144624463446444654466446744684469447044714472447344744475447644774478447944804481448244834484448544864487448844894490449144924493449444954496449744984499450045014502450345044505450645074508450945104511451245134514451545164517451845194520452145224523452445254526452745284529453045314532453345344535453645374538453945404541454245434544454545464547454845494550455145524553455445554556455745584559456045614562456345644565456645674568456945704571457245734574457545764577457845794580458145824583458445854586458745884589459045914592459345944595459645974598459946004601460246034604460546064607460846094610461146124613461446154616461746184619462046214622462346244625462646274628462946304631463246334634463546364637463846394640464146424643464446454646464746484649465046514652465346544655465646574658465946604661466246634664466546664667466846694670467146724673467446754676467746784679468046814682468346844685468646874688468946904691469246934694469546964697469846994700470147024703470447054706470747084709471047114712471347144715471647174718471947204721472247234724472547264727472847294730473147324733473447354736473747384739474047414742474347444745474647474748474947504751475247534754475547564757475847594760476147624763476447654766476747684769477047714772477347744775477647774778477947804781478247834784478547864787478847894790479147924793479447954796479747984799480048014802480348044805480648074808480948104811481248134814481548164817481848194820482148224823482448254826482748284829483048314832483348344835483648374838483948404841484248434844484548464847484848494850485148524853485448554856485748584859486048614862486348644865486648674868486948704871487248734874487548764877487848794880488148824883488448854886488748884889489048914892489348944895489648974898489949004901490249034904490549064907490849094910491149124913491449154916491749184919492049214922492349244925492649274928492949304931493249334934493549364937493849394940494149424943494449454946494749484949495049514952495349544955495649574958495949604961496249634964496549664967496849694970497149724973497449754976497749784979498049814982498349844985498649874988498949904991499249934994499549964997499849995000500150025003500450055006500750085009501050115012501350145015501650175018501950205021502250235024502550265027502850295030503150325033503450355036503750385039504050415042504350445045504650475048504950505051505250535054505550565057505850595060506150625063506450655066506750685069507050715072507350745075507650775078507950805081508250835084508550865087508850895090509150925093509450955096509750985099510051015102510351045105510651075108510951105111511251135114511551165117511851195120512151225123512451255126512751285129513051315132513351345135513651375138513951405141514251435144514551465147514851495150515151525153515451555156515751585159516051615162516351645165516651675168516951705171517251735174517551765177517851795180518151825183518451855186518751885189519051915192519351945195519651975198519952005201520252035204520552065207520852095210521152125213521452155216521752185219522052215222522352245225522652275228522952305231523252335234523552365237523852395240524152425243524452455246524752485249525052515252525352545255525652575258525952605261526252635264526552665267526852695270527152725273527452755276527752785279528052815282528352845285528652875288528952905291529252935294529552965297529852995300530153025303530453055306530753085309531053115312531353145315531653175318531953205321532253235324532553265327532853295330533153325333533453355336533753385339534053415342534353445345534653475348534953505351535253535354535553565357535853595360536153625363536453655366536753685369537053715372537353745375537653775378537953805381538253835384538553865387538853895390539153925393539453955396539753985399540054015402540354045405540654075408540954105411541254135414541554165417541854195420542154225423542454255426542754285429543054315432543354345435543654375438543954405441544254435444544554465447544854495450545154525453545454555456545754585459546054615462546354645465546654675468546954705471547254735474547554765477547854795480548154825483548454855486548754885489549054915492549354945495549654975498549955005501550255035504550555065507550855095510551155125513551455155516551755185519552055215522552355245525552655275528552955305531553255335534553555365537553855395540554155425543554455455546554755485549555055515552555355545555555655575558555955605561556255635564556555665567556855695570557155725573557455755576557755785579558055815582558355845585558655875588558955905591559255935594559555965597559855995600560156025603560456055606560756085609561056115612561356145615561656175618561956205621562256235624562556265627562856295630563156325633563456355636563756385639564056415642564356445645564656475648564956505651565256535654565556565657565856595660566156625663566456655666566756685669567056715672567356745675567656775678567956805681568256835684568556865687568856895690569156925693569456955696569756985699570057015702570357045705570657075708570957105711571257135714571557165717571857195720572157225723572457255726572757285729573057315732573357345735573657375738573957405741574257435744574557465747574857495750575157525753575457555756575757585759576057615762576357645765576657675768576957705771577257735774577557765777577857795780578157825783578457855786578757885789579057915792579357945795579657975798579958005801580258035804580558065807580858095810581158125813581458155816581758185819582058215822582358245825582658275828582958305831583258335834583558365837583858395840584158425843584458455846584758485849585058515852585358545855585658575858585958605861586258635864586558665867586858695870587158725873587458755876587758785879588058815882588358845885588658875888588958905891589258935894589558965897589858995900590159025903590459055906590759085909591059115912591359145915591659175918591959205921592259235924592559265927592859295930593159325933593459355936593759385939594059415942594359445945594659475948594959505951595259535954595559565957595859595960596159625963596459655966596759685969597059715972597359745975597659775978597959805981598259835984598559865987598859895990599159925993599459955996599759985999600060016002600360046005600660076008600960106011601260136014601560166017601860196020602160226023602460256026602760286029603060316032603360346035603660376038603960406041604260436044604560466047604860496050605160526053605460556056605760586059606060616062606360646065606660676068606960706071607260736074607560766077607860796080608160826083608460856086608760886089609060916092609360946095609660976098609961006101610261036104610561066107610861096110611161126113611461156116611761186119612061216122612361246125612661276128612961306131613261336134613561366137613861396140614161426143614461456146614761486149615061516152615361546155615661576158615961606161616261636164616561666167616861696170617161726173617461756176617761786179618061816182618361846185618661876188618961906191619261936194619561966197619861996200620162026203620462056206620762086209621062116212621362146215621662176218621962206221622262236224622562266227622862296230623162326233623462356236623762386239624062416242624362446245624662476248624962506251625262536254625562566257625862596260626162626263626462656266626762686269627062716272627362746275627662776278627962806281628262836284628562866287628862896290629162926293629462956296629762986299630063016302630363046305630663076308630963106311631263136314631563166317631863196320632163226323632463256326632763286329633063316332633363346335633663376338633963406341634263436344634563466347634863496350635163526353635463556356635763586359636063616362636363646365636663676368636963706371637263736374637563766377637863796380638163826383638463856386638763886389639063916392639363946395639663976398639964006401640264036404640564066407640864096410641164126413641464156416641764186419642064216422642364246425642664276428642964306431643264336434643564366437643864396440644164426443644464456446644764486449645064516452645364546455645664576458645964606461646264636464646564666467646864696470647164726473647464756476647764786479648064816482648364846485648664876488648964906491649264936494649564966497649864996500650165026503650465056506650765086509651065116512651365146515651665176518651965206521652265236524652565266527652865296530653165326533653465356536653765386539654065416542654365446545654665476548654965506551655265536554655565566557655865596560656165626563656465656566656765686569657065716572657365746575657665776578657965806581658265836584658565866587658865896590659165926593659465956596659765986599660066016602660366046605660666076608660966106611661266136614661566166617661866196620662166226623662466256626662766286629663066316632663366346635663666376638663966406641664266436644664566466647664866496650665166526653665466556656665766586659666066616662666366646665666666676668666966706671667266736674667566766677667866796680668166826683668466856686668766886689669066916692669366946695669666976698669967006701670267036704670567066707670867096710671167126713671467156716671767186719672067216722672367246725672667276728672967306731673267336734673567366737673867396740674167426743674467456746674767486749675067516752675367546755675667576758675967606761676267636764676567666767676867696770677167726773677467756776677767786779678067816782678367846785678667876788678967906791679267936794679567966797679867996800680168026803680468056806680768086809681068116812681368146815681668176818681968206821682268236824682568266827682868296830683168326833683468356836683768386839684068416842684368446845684668476848684968506851685268536854685568566857685868596860686168626863686468656866686768686869687068716872687368746875687668776878687968806881688268836884688568866887688868896890689168926893689468956896689768986899690069016902690369046905690669076908690969106911691269136914691569166917691869196920692169226923692469256926692769286929693069316932693369346935693669376938693969406941694269436944694569466947694869496950695169526953695469556956695769586959696069616962696369646965696669676968696969706971697269736974697569766977697869796980698169826983698469856986698769886989699069916992699369946995699669976998699970007001700270037004700570067007700870097010701170127013701470157016701770187019702070217022702370247025702670277028702970307031703270337034703570367037703870397040704170427043704470457046704770487049705070517052705370547055705670577058705970607061706270637064706570667067706870697070707170727073707470757076707770787079708070817082708370847085708670877088708970907091709270937094709570967097709870997100710171027103710471057106710771087109711071117112711371147115711671177118711971207121712271237124712571267127712871297130713171327133713471357136713771387139714071417142714371447145714671477148714971507151715271537154715571567157715871597160716171627163716471657166716771687169717071717172717371747175717671777178717971807181718271837184718571867187718871897190719171927193719471957196719771987199720072017202720372047205720672077208720972107211721272137214721572167217721872197220722172227223722472257226722772287229723072317232723372347235723672377238723972407241724272437244724572467247724872497250725172527253725472557256725772587259726072617262726372647265726672677268726972707271727272737274727572767277727872797280728172827283728472857286728772887289729072917292729372947295729672977298729973007301730273037304730573067307730873097310731173127313731473157316731773187319732073217322732373247325732673277328732973307331733273337334733573367337733873397340734173427343734473457346734773487349735073517352735373547355735673577358735973607361736273637364736573667367736873697370737173727373737473757376737773787379738073817382738373847385738673877388738973907391739273937394739573967397739873997400740174027403740474057406740774087409741074117412741374147415741674177418741974207421742274237424742574267427742874297430743174327433743474357436743774387439744074417442744374447445744674477448744974507451745274537454745574567457745874597460746174627463746474657466746774687469747074717472747374747475747674777478747974807481748274837484748574867487748874897490749174927493749474957496749774987499750075017502750375047505750675077508750975107511751275137514751575167517751875197520752175227523752475257526752775287529753075317532753375347535753675377538753975407541754275437544754575467547754875497550755175527553755475557556755775587559756075617562756375647565756675677568756975707571757275737574757575767577757875797580758175827583758475857586758775887589759075917592759375947595759675977598759976007601760276037604760576067607760876097610761176127613761476157616761776187619762076217622762376247625762676277628762976307631763276337634763576367637763876397640764176427643764476457646764776487649765076517652765376547655765676577658765976607661766276637664766576667667766876697670767176727673767476757676767776787679768076817682768376847685768676877688768976907691769276937694769576967697769876997700770177027703770477057706770777087709771077117712771377147715771677177718771977207721772277237724772577267727772877297730773177327733773477357736773777387739774077417742774377447745774677477748774977507751775277537754775577567757775877597760776177627763776477657766776777687769777077717772777377747775777677777778777977807781778277837784778577867787778877897790779177927793779477957796779777987799780078017802780378047805780678077808780978107811781278137814781578167817781878197820782178227823782478257826782778287829783078317832783378347835783678377838783978407841784278437844784578467847784878497850785178527853785478557856785778587859786078617862786378647865786678677868786978707871787278737874787578767877787878797880788178827883788478857886788778887889789078917892789378947895789678977898789979007901790279037904790579067907790879097910791179127913791479157916791779187919792079217922792379247925792679277928792979307931793279337934793579367937793879397940794179427943794479457946794779487949795079517952795379547955795679577958795979607961796279637964796579667967796879697970797179727973797479757976797779787979798079817982798379847985798679877988798979907991799279937994799579967997799879998000800180028003800480058006800780088009801080118012801380148015801680178018801980208021802280238024802580268027802880298030803180328033803480358036803780388039804080418042804380448045804680478048804980508051805280538054805580568057805880598060806180628063806480658066806780688069807080718072807380748075807680778078807980808081808280838084808580868087808880898090809180928093809480958096809780988099810081018102810381048105810681078108810981108111811281138114811581168117811881198120812181228123812481258126812781288129813081318132813381348135813681378138813981408141814281438144814581468147814881498150815181528153815481558156815781588159816081618162816381648165816681678168816981708171817281738174817581768177817881798180818181828183818481858186818781888189819081918192819381948195819681978198819982008201820282038204820582068207820882098210821182128213821482158216821782188219822082218222822382248225822682278228822982308231823282338234823582368237823882398240824182428243824482458246824782488249825082518252825382548255825682578258825982608261826282638264826582668267826882698270827182728273827482758276827782788279828082818282828382848285828682878288828982908291829282938294829582968297829882998300830183028303830483058306830783088309831083118312831383148315831683178318831983208321832283238324832583268327832883298330833183328333833483358336833783388339834083418342834383448345834683478348834983508351835283538354835583568357835883598360836183628363836483658366836783688369837083718372837383748375837683778378837983808381838283838384838583868387838883898390839183928393839483958396839783988399840084018402840384048405840684078408840984108411841284138414841584168417841884198420842184228423842484258426842784288429843084318432843384348435843684378438843984408441844284438444844584468447844884498450845184528453845484558456845784588459846084618462846384648465846684678468846984708471847284738474847584768477847884798480848184828483848484858486848784888489849084918492849384948495849684978498849985008501850285038504850585068507850885098510851185128513851485158516851785188519852085218522852385248525852685278528852985308531853285338534853585368537853885398540854185428543854485458546854785488549855085518552855385548555855685578558855985608561856285638564856585668567856885698570857185728573857485758576857785788579858085818582858385848585858685878588858985908591859285938594859585968597859885998600860186028603860486058606860786088609861086118612861386148615861686178618861986208621862286238624862586268627862886298630863186328633863486358636863786388639864086418642864386448645864686478648864986508651865286538654865586568657865886598660866186628663866486658666866786688669867086718672867386748675867686778678867986808681868286838684868586868687868886898690869186928693869486958696869786988699870087018702870387048705870687078708870987108711871287138714871587168717871887198720872187228723872487258726872787288729873087318732873387348735873687378738873987408741874287438744874587468747874887498750875187528753875487558756875787588759876087618762876387648765876687678768876987708771877287738774877587768777877887798780878187828783878487858786878787888789879087918792879387948795879687978798879988008801880288038804880588068807880888098810881188128813881488158816881788188819882088218822882388248825882688278828882988308831883288338834883588368837883888398840884188428843884488458846884788488849885088518852885388548855885688578858885988608861886288638864886588668867886888698870887188728873887488758876887788788879888088818882888388848885888688878888888988908891889288938894889588968897889888998900890189028903890489058906890789088909891089118912891389148915891689178918891989208921892289238924892589268927892889298930893189328933893489358936893789388939894089418942894389448945894689478948894989508951895289538954895589568957895889598960896189628963896489658966896789688969897089718972897389748975897689778978897989808981898289838984898589868987898889898990899189928993899489958996899789988999900090019002900390049005900690079008900990109011901290139014901590169017901890199020902190229023902490259026902790289029903090319032903390349035903690379038903990409041904290439044904590469047904890499050905190529053905490559056905790589059906090619062906390649065906690679068906990709071907290739074907590769077907890799080908190829083908490859086908790889089909090919092909390949095909690979098909991009101910291039104910591069107910891099110911191129113911491159116911791189119912091219122912391249125912691279128912991309131913291339134913591369137913891399140914191429143914491459146914791489149915091519152915391549155915691579158915991609161916291639164916591669167916891699170917191729173917491759176917791789179918091819182918391849185918691879188918991909191919291939194919591969197919891999200920192029203920492059206920792089209921092119212921392149215921692179218921992209221922292239224922592269227922892299230923192329233923492359236923792389239924092419242924392449245924692479248924992509251925292539254925592569257925892599260926192629263926492659266926792689269927092719272927392749275927692779278927992809281928292839284928592869287928892899290929192929293929492959296929792989299930093019302930393049305930693079308930993109311931293139314931593169317931893199320932193229323932493259326932793289329933093319332933393349335933693379338933993409341934293439344934593469347934893499350935193529353935493559356935793589359936093619362936393649365936693679368936993709371937293739374937593769377937893799380938193829383938493859386938793889389939093919392939393949395939693979398939994009401940294039404940594069407940894099410941194129413941494159416941794189419942094219422942394249425942694279428942994309431943294339434943594369437943894399440944194429443944494459446944794489449945094519452945394549455945694579458945994609461946294639464946594669467946894699470947194729473947494759476947794789479948094819482948394849485948694879488948994909491949294939494949594969497949894999500950195029503950495059506950795089509951095119512951395149515951695179518951995209521952295239524952595269527952895299530953195329533953495359536953795389539954095419542954395449545954695479548954995509551955295539554955595569557955895599560956195629563956495659566956795689569957095719572957395749575957695779578957995809581958295839584958595869587958895899590959195929593959495959596959795989599960096019602960396049605960696079608960996109611961296139614961596169617961896199620962196229623962496259626962796289629963096319632963396349635963696379638963996409641964296439644964596469647964896499650965196529653965496559656965796589659966096619662966396649665966696679668966996709671967296739674967596769677967896799680968196829683968496859686968796889689969096919692969396949695969696979698969997009701970297039704970597069707970897099710971197129713971497159716971797189719972097219722972397249725972697279728972997309731973297339734973597369737973897399740974197429743974497459746974797489749975097519752975397549755975697579758975997609761976297639764976597669767976897699770977197729773977497759776977797789779978097819782978397849785978697879788978997909791979297939794979597969797979897999800980198029803980498059806980798089809981098119812981398149815981698179818981998209821982298239824982598269827982898299830983198329833983498359836983798389839984098419842984398449845984698479848984998509851985298539854985598569857985898599860986198629863986498659866986798689869987098719872987398749875987698779878987998809881988298839884988598869887988898899890989198929893989498959896989798989899990099019902990399049905990699079908990999109911991299139914991599169917991899199920992199229923992499259926992799289929993099319932993399349935993699379938993999409941994299439944994599469947994899499950995199529953995499559956995799589959996099619962996399649965996699679968996999709971997299739974997599769977997899799980998199829983998499859986998799889989999099919992999399949995999699979998999910000100011000210003100041000510006100071000810009100101001110012100131001410015100161001710018100191002010021100221002310024100251002610027100281002910030100311003210033100341003510036100371003810039100401004110042100431004410045100461004710048100491005010051100521005310054100551005610057100581005910060100611006210063100641006510066100671006810069100701007110072100731007410075100761007710078100791008010081100821008310084100851008610087100881008910090100911009210093100941009510096100971009810099101001010110102101031010410105101061010710108101091011010111101121011310114101151011610117101181011910120101211012210123101241012510126101271012810129101301013110132101331013410135101361013710138101391014010141101421014310144101451014610147101481014910150101511015210153101541015510156101571015810159101601016110162101631016410165101661016710168101691017010171101721017310174101751017610177101781017910180101811018210183101841018510186101871018810189101901019110192101931019410195101961019710198101991020010201102021020310204102051020610207102081020910210102111021210213102141021510216102171021810219102201022110222102231022410225102261022710228102291023010231102321023310234102351023610237102381023910240102411024210243102441024510246102471024810249102501025110252102531025410255102561025710258102591026010261102621026310264102651026610267102681026910270102711027210273102741027510276102771027810279102801028110282102831028410285102861028710288102891029010291102921029310294102951029610297102981029910300103011030210303103041030510306103071030810309103101031110312103131031410315103161031710318103191032010321103221032310324103251032610327103281032910330103311033210333103341033510336103371033810339103401034110342103431034410345103461034710348103491035010351103521035310354103551035610357103581035910360103611036210363103641036510366103671036810369103701037110372103731037410375103761037710378103791038010381103821038310384103851038610387103881038910390103911039210393103941039510396103971039810399104001040110402104031040410405104061040710408104091041010411104121041310414104151041610417104181041910420104211042210423104241042510426104271042810429104301043110432104331043410435104361043710438104391044010441104421044310444104451044610447104481044910450104511045210453104541045510456104571045810459104601046110462104631046410465104661046710468104691047010471104721047310474104751047610477104781047910480104811048210483104841048510486104871048810489104901049110492104931049410495104961049710498104991050010501105021050310504105051050610507105081050910510105111051210513105141051510516105171051810519105201052110522105231052410525105261052710528105291053010531105321053310534105351053610537105381053910540105411054210543105441054510546105471054810549105501055110552105531055410555105561055710558105591056010561105621056310564105651056610567105681056910570105711057210573105741057510576105771057810579105801058110582105831058410585105861058710588105891059010591105921059310594105951059610597105981059910600106011060210603106041060510606106071060810609106101061110612106131061410615106161061710618106191062010621106221062310624106251062610627106281062910630106311063210633106341063510636106371063810639106401064110642106431064410645106461064710648106491065010651106521065310654106551065610657106581065910660106611066210663106641066510666106671066810669106701067110672106731067410675106761067710678106791068010681106821068310684106851068610687106881068910690106911069210693106941069510696106971069810699107001070110702107031070410705107061070710708107091071010711107121071310714107151071610717107181071910720107211072210723107241072510726107271072810729107301073110732107331073410735107361073710738107391074010741107421074310744107451074610747107481074910750107511075210753107541075510756107571075810759107601076110762107631076410765107661076710768107691077010771107721077310774107751077610777107781077910780107811078210783107841078510786107871078810789107901079110792107931079410795107961079710798107991080010801108021080310804108051080610807108081080910810108111081210813108141081510816108171081810819108201082110822108231082410825108261082710828108291083010831108321083310834108351083610837108381083910840108411084210843108441084510846108471084810849108501085110852108531085410855108561085710858108591086010861108621086310864108651086610867108681086910870108711087210873108741087510876108771087810879108801088110882108831088410885108861088710888108891089010891108921089310894108951089610897108981089910900109011090210903109041090510906109071090810909109101091110912109131091410915109161091710918109191092010921109221092310924109251092610927109281092910930109311093210933109341093510936109371093810939109401094110942109431094410945109461094710948109491095010951109521095310954109551095610957109581095910960109611096210963109641096510966109671096810969109701097110972109731097410975109761097710978109791098010981109821098310984109851098610987109881098910990109911099210993109941099510996109971099810999110001100111002110031100411005110061100711008110091101011011110121101311014110151101611017110181101911020110211102211023110241102511026110271102811029110301103111032110331103411035110361103711038110391104011041110421104311044110451104611047110481104911050110511105211053110541105511056110571105811059110601106111062110631106411065110661106711068110691107011071110721107311074110751107611077110781107911080110811108211083110841108511086110871108811089110901109111092110931109411095110961109711098110991110011101111021110311104111051110611107111081110911110111111111211113111141111511116111171111811119111201112111122111231112411125111261112711128111291113011131111321113311134111351113611137111381113911140111411114211143111441114511146111471114811149111501115111152111531115411155111561115711158111591116011161111621116311164111651116611167111681116911170111711117211173111741117511176111771117811179111801118111182111831118411185111861118711188111891119011191111921119311194111951119611197111981119911200112011120211203112041120511206112071120811209112101121111212112131121411215112161121711218112191122011221112221122311224112251122611227112281122911230112311123211233112341123511236112371123811239112401124111242112431124411245112461124711248112491125011251112521125311254112551125611257112581125911260112611126211263112641126511266112671126811269112701127111272112731127411275112761127711278112791128011281112821128311284112851128611287112881128911290112911129211293112941129511296112971129811299113001130111302113031130411305113061130711308113091131011311113121131311314113151131611317113181131911320113211132211323113241132511326113271132811329113301133111332113331133411335113361133711338113391134011341113421134311344113451134611347113481134911350113511135211353113541135511356113571135811359113601136111362113631136411365113661136711368113691137011371113721137311374113751137611377113781137911380113811138211383113841138511386113871138811389113901139111392113931139411395113961139711398113991140011401114021140311404114051140611407114081140911410114111141211413114141141511416114171141811419114201142111422114231142411425114261142711428114291143011431114321143311434114351143611437114381143911440114411144211443114441144511446114471144811449114501145111452114531145411455114561145711458114591146011461114621146311464114651146611467114681146911470114711147211473114741147511476114771147811479114801148111482114831148411485114861148711488114891149011491114921149311494114951149611497114981149911500115011150211503115041150511506115071150811509115101151111512115131151411515115161151711518115191152011521115221152311524115251152611527115281152911530115311153211533115341153511536115371153811539115401154111542115431154411545115461154711548115491155011551115521155311554115551155611557115581155911560115611156211563115641156511566115671156811569115701157111572115731157411575115761157711578115791158011581115821158311584115851158611587115881158911590115911159211593115941159511596115971159811599116001160111602116031160411605116061160711608116091161011611116121161311614116151161611617116181161911620116211162211623116241162511626116271162811629116301163111632116331163411635116361163711638116391164011641116421164311644116451164611647116481164911650116511165211653116541165511656116571165811659116601166111662116631166411665116661166711668116691167011671116721167311674116751167611677116781167911680116811168211683116841168511686116871168811689116901169111692116931169411695116961169711698116991170011701117021170311704117051170611707117081170911710117111171211713117141171511716117171171811719117201172111722117231172411725117261172711728117291173011731117321173311734117351173611737117381173911740117411174211743117441174511746117471174811749117501175111752117531175411755117561175711758117591176011761117621176311764117651176611767117681176911770117711177211773117741177511776117771177811779117801178111782117831178411785117861178711788117891179011791117921179311794117951179611797117981179911800118011180211803118041180511806118071180811809118101181111812118131181411815118161181711818118191182011821118221182311824118251182611827118281182911830118311183211833118341183511836118371183811839118401184111842118431184411845118461184711848118491185011851118521185311854118551185611857118581185911860118611186211863118641186511866118671186811869118701187111872118731187411875118761187711878118791188011881118821188311884118851188611887118881188911890118911189211893118941189511896118971189811899119001190111902119031190411905119061190711908119091191011911119121191311914119151191611917119181191911920119211192211923119241192511926119271192811929119301193111932119331193411935119361193711938119391194011941119421194311944119451194611947119481194911950119511195211953119541195511956119571195811959119601196111962119631196411965119661196711968119691197011971119721197311974119751197611977119781197911980119811198211983119841198511986119871198811989119901199111992119931199411995119961199711998119991200012001120021200312004120051200612007120081200912010120111201212013120141201512016120171201812019120201202112022120231202412025120261202712028120291203012031120321203312034120351203612037120381203912040120411204212043120441204512046120471204812049120501205112052120531205412055120561205712058120591206012061120621206312064120651206612067120681206912070120711207212073120741207512076120771207812079120801208112082120831208412085120861208712088120891209012091120921209312094120951209612097120981209912100121011210212103121041210512106121071210812109121101211112112121131211412115121161211712118121191212012121121221212312124121251212612127121281212912130121311213212133121341213512136121371213812139121401214112142121431214412145121461214712148121491215012151121521215312154121551215612157121581215912160121611216212163121641216512166121671216812169121701217112172121731217412175121761217712178121791218012181121821218312184121851218612187121881218912190121911219212193121941219512196121971219812199122001220112202122031220412205122061220712208122091221012211122121221312214122151221612217122181221912220122211222212223122241222512226122271222812229122301223112232122331223412235122361223712238122391224012241122421224312244122451224612247122481224912250122511225212253122541225512256122571225812259122601226112262122631226412265122661226712268122691227012271122721227312274122751227612277122781227912280122811228212283122841228512286122871228812289122901229112292122931229412295122961229712298122991230012301123021230312304123051230612307123081230912310123111231212313123141231512316123171231812319123201232112322123231232412325123261232712328123291233012331123321233312334123351233612337123381233912340123411234212343123441234512346123471234812349123501235112352123531235412355123561235712358123591236012361123621236312364123651236612367123681236912370123711237212373123741237512376123771237812379123801238112382123831238412385123861238712388123891239012391123921239312394123951239612397123981239912400124011240212403124041240512406124071240812409124101241112412124131241412415124161241712418124191242012421124221242312424124251242612427124281242912430124311243212433124341243512436124371243812439124401244112442124431244412445124461244712448124491245012451124521245312454124551245612457124581245912460124611246212463124641246512466124671246812469124701247112472124731247412475124761247712478124791248012481124821248312484124851248612487124881248912490124911249212493124941249512496124971249812499125001250112502125031250412505125061250712508125091251012511125121251312514125151251612517125181251912520125211252212523125241252512526125271252812529125301253112532125331253412535125361253712538125391254012541125421254312544125451254612547125481254912550125511255212553125541255512556125571255812559125601256112562125631256412565125661256712568125691257012571125721257312574125751257612577125781257912580125811258212583125841258512586125871258812589125901259112592125931259412595125961259712598125991260012601126021260312604126051260612607126081260912610126111261212613126141261512616126171261812619126201262112622126231262412625126261262712628126291263012631126321263312634126351263612637126381263912640126411264212643126441264512646126471264812649126501265112652126531265412655126561265712658126591266012661126621266312664126651266612667126681266912670126711267212673126741267512676126771267812679126801268112682126831268412685126861268712688126891269012691126921269312694126951269612697126981269912700127011270212703127041270512706127071270812709127101271112712127131271412715127161271712718127191272012721127221272312724127251272612727127281272912730127311273212733127341273512736127371273812739127401274112742127431274412745127461274712748127491275012751127521275312754127551275612757127581275912760127611276212763127641276512766127671276812769127701277112772127731277412775127761277712778127791278012781127821278312784127851278612787127881278912790127911279212793127941279512796127971279812799128001280112802128031280412805128061280712808128091281012811128121281312814128151281612817128181281912820128211282212823128241282512826128271282812829128301283112832128331283412835128361283712838128391284012841128421284312844128451284612847128481284912850128511285212853128541285512856128571285812859128601286112862128631286412865128661286712868128691287012871128721287312874128751287612877128781287912880128811288212883128841288512886128871288812889128901289112892128931289412895128961289712898128991290012901129021290312904129051290612907129081290912910129111291212913129141291512916129171291812919129201292112922129231292412925129261292712928129291293012931129321293312934129351293612937129381293912940129411294212943129441294512946129471294812949129501295112952129531295412955129561295712958129591296012961129621296312964129651296612967129681296912970129711297212973129741297512976129771297812979129801298112982129831298412985129861298712988129891299012991129921299312994129951299612997129981299913000130011300213003130041300513006130071300813009130101301113012130131301413015130161301713018130191302013021130221302313024130251302613027130281302913030130311303213033130341303513036130371303813039130401304113042130431304413045130461304713048130491305013051130521305313054130551305613057130581305913060130611306213063130641306513066130671306813069130701307113072130731307413075130761307713078130791308013081130821308313084130851308613087130881308913090130911309213093130941309513096130971309813099131001310113102131031310413105131061310713108131091311013111131121311313114131151311613117131181311913120131211312213123131241312513126131271312813129131301313113132131331313413135131361313713138131391314013141131421314313144131451314613147131481314913150131511315213153131541315513156131571315813159131601316113162131631316413165131661316713168131691317013171131721317313174131751317613177131781317913180131811318213183131841318513186131871318813189131901319113192131931319413195131961319713198131991320013201132021320313204132051320613207132081320913210132111321213213132141321513216132171321813219132201322113222132231322413225132261322713228132291323013231132321323313234132351323613237132381323913240132411324213243132441324513246132471324813249132501325113252132531325413255132561325713258132591326013261132621326313264132651326613267132681326913270132711327213273132741327513276132771327813279132801328113282132831328413285132861328713288132891329013291132921329313294132951329613297132981329913300133011330213303133041330513306133071330813309133101331113312133131331413315133161331713318133191332013321133221332313324133251332613327133281332913330133311333213333133341333513336133371333813339133401334113342133431334413345133461334713348133491335013351133521335313354133551335613357133581335913360133611336213363133641336513366133671336813369133701337113372133731337413375133761337713378133791338013381133821338313384133851338613387133881338913390133911339213393133941339513396133971339813399134001340113402134031340413405134061340713408134091341013411134121341313414134151341613417134181341913420134211342213423134241342513426134271342813429134301343113432134331343413435134361343713438134391344013441134421344313444134451344613447134481344913450134511345213453134541345513456134571345813459134601346113462134631346413465134661346713468134691347013471134721347313474134751347613477134781347913480134811348213483134841348513486134871348813489134901349113492134931349413495134961349713498134991350013501135021350313504135051350613507135081350913510135111351213513135141351513516135171351813519135201352113522135231352413525135261352713528135291353013531135321353313534135351353613537135381353913540135411354213543135441354513546135471354813549135501355113552135531355413555135561355713558135591356013561135621356313564135651356613567135681356913570135711357213573135741357513576135771357813579135801358113582135831358413585135861358713588135891359013591135921359313594135951359613597135981359913600136011360213603136041360513606136071360813609136101361113612136131361413615136161361713618136191362013621136221362313624136251362613627136281362913630136311363213633136341363513636136371363813639136401364113642136431364413645136461364713648136491365013651136521365313654136551365613657136581365913660136611366213663136641366513666136671366813669136701367113672136731367413675136761367713678136791368013681136821368313684136851368613687136881368913690136911369213693136941369513696136971369813699
  1. /* Copyright 2008-2012 Broadcom Corporation
  2. *
  3. * Unless you and Broadcom execute a separate written software license
  4. * agreement governing use of this software, this software is licensed to you
  5. * under the terms of the GNU General Public License version 2, available
  6. * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  7. *
  8. * Notwithstanding the above, under no circumstances may you combine this
  9. * software in any way with any other Broadcom software provided under a
  10. * license other than the GPL, without Broadcom's express prior written
  11. * consent.
  12. *
  13. * Written by Yaniv Rosner
  14. *
  15. */
  16. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  17. #include <linux/kernel.h>
  18. #include <linux/errno.h>
  19. #include <linux/pci.h>
  20. #include <linux/netdevice.h>
  21. #include <linux/delay.h>
  22. #include <linux/ethtool.h>
  23. #include <linux/mutex.h>
  24. #include "bnx2x.h"
  25. #include "bnx2x_cmn.h"
  26. /********************************************************/
  27. #define ETH_HLEN 14
  28. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  29. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  30. #define ETH_MIN_PACKET_SIZE 60
  31. #define ETH_MAX_PACKET_SIZE 1500
  32. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  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_LC 0x7
  140. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  141. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  142. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  143. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  144. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  145. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  146. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  147. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  148. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  149. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  150. #define SFP_EEPROM_OPTIONS_SIZE 2
  151. #define EDC_MODE_LINEAR 0x0022
  152. #define EDC_MODE_LIMITING 0x0044
  153. #define EDC_MODE_PASSIVE_DAC 0x0055
  154. /* ETS defines*/
  155. #define DCBX_INVALID_COS (0xFF)
  156. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  157. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  158. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  159. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  160. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  161. #define MAX_PACKET_SIZE (9700)
  162. #define MAX_KR_LINK_RETRY 4
  163. /**********************************************************/
  164. /* INTERFACE */
  165. /**********************************************************/
  166. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  167. bnx2x_cl45_write(_bp, _phy, \
  168. (_phy)->def_md_devad, \
  169. (_bank + (_addr & 0xf)), \
  170. _val)
  171. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  172. bnx2x_cl45_read(_bp, _phy, \
  173. (_phy)->def_md_devad, \
  174. (_bank + (_addr & 0xf)), \
  175. _val)
  176. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  177. {
  178. u32 val = REG_RD(bp, reg);
  179. val |= bits;
  180. REG_WR(bp, reg, val);
  181. return val;
  182. }
  183. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  184. {
  185. u32 val = REG_RD(bp, reg);
  186. val &= ~bits;
  187. REG_WR(bp, reg, val);
  188. return val;
  189. }
  190. /*
  191. * bnx2x_check_lfa - This function checks if link reinitialization is required,
  192. * or link flap can be avoided.
  193. *
  194. * @params: link parameters
  195. * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
  196. * condition code.
  197. */
  198. static int bnx2x_check_lfa(struct link_params *params)
  199. {
  200. u32 link_status, cfg_idx, lfa_mask, cfg_size;
  201. u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
  202. u32 saved_val, req_val, eee_status;
  203. struct bnx2x *bp = params->bp;
  204. additional_config =
  205. REG_RD(bp, params->lfa_base +
  206. offsetof(struct shmem_lfa, additional_config));
  207. /* NOTE: must be first condition checked -
  208. * to verify DCC bit is cleared in any case!
  209. */
  210. if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
  211. DP(NETIF_MSG_LINK, "No LFA due to DCC flap after clp exit\n");
  212. REG_WR(bp, params->lfa_base +
  213. offsetof(struct shmem_lfa, additional_config),
  214. additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
  215. return LFA_DCC_LFA_DISABLED;
  216. }
  217. /* Verify that link is up */
  218. link_status = REG_RD(bp, params->shmem_base +
  219. offsetof(struct shmem_region,
  220. port_mb[params->port].link_status));
  221. if (!(link_status & LINK_STATUS_LINK_UP))
  222. return LFA_LINK_DOWN;
  223. /* Verify that loopback mode is not set */
  224. if (params->loopback_mode)
  225. return LFA_LOOPBACK_ENABLED;
  226. /* Verify that MFW supports LFA */
  227. if (!params->lfa_base)
  228. return LFA_MFW_IS_TOO_OLD;
  229. if (params->num_phys == 3) {
  230. cfg_size = 2;
  231. lfa_mask = 0xffffffff;
  232. } else {
  233. cfg_size = 1;
  234. lfa_mask = 0xffff;
  235. }
  236. /* Compare Duplex */
  237. saved_val = REG_RD(bp, params->lfa_base +
  238. offsetof(struct shmem_lfa, req_duplex));
  239. req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
  240. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  241. DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n",
  242. (saved_val & lfa_mask), (req_val & lfa_mask));
  243. return LFA_DUPLEX_MISMATCH;
  244. }
  245. /* Compare Flow Control */
  246. saved_val = REG_RD(bp, params->lfa_base +
  247. offsetof(struct shmem_lfa, req_flow_ctrl));
  248. req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
  249. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  250. DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n",
  251. (saved_val & lfa_mask), (req_val & lfa_mask));
  252. return LFA_FLOW_CTRL_MISMATCH;
  253. }
  254. /* Compare Link Speed */
  255. saved_val = REG_RD(bp, params->lfa_base +
  256. offsetof(struct shmem_lfa, req_line_speed));
  257. req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
  258. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  259. DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n",
  260. (saved_val & lfa_mask), (req_val & lfa_mask));
  261. return LFA_LINK_SPEED_MISMATCH;
  262. }
  263. for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
  264. cur_speed_cap_mask = REG_RD(bp, params->lfa_base +
  265. offsetof(struct shmem_lfa,
  266. speed_cap_mask[cfg_idx]));
  267. if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
  268. DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
  269. cur_speed_cap_mask,
  270. params->speed_cap_mask[cfg_idx]);
  271. return LFA_SPEED_CAP_MISMATCH;
  272. }
  273. }
  274. cur_req_fc_auto_adv =
  275. REG_RD(bp, params->lfa_base +
  276. offsetof(struct shmem_lfa, additional_config)) &
  277. REQ_FC_AUTO_ADV_MASK;
  278. if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
  279. DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
  280. cur_req_fc_auto_adv, params->req_fc_auto_adv);
  281. return LFA_FLOW_CTRL_MISMATCH;
  282. }
  283. eee_status = REG_RD(bp, params->shmem2_base +
  284. offsetof(struct shmem2_region,
  285. eee_status[params->port]));
  286. if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
  287. (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
  288. ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
  289. (params->eee_mode & EEE_MODE_ADV_LPI))) {
  290. DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
  291. eee_status);
  292. return LFA_EEE_MISMATCH;
  293. }
  294. /* LFA conditions are met */
  295. return 0;
  296. }
  297. /******************************************************************/
  298. /* EPIO/GPIO section */
  299. /******************************************************************/
  300. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  301. {
  302. u32 epio_mask, gp_oenable;
  303. *en = 0;
  304. /* Sanity check */
  305. if (epio_pin > 31) {
  306. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  307. return;
  308. }
  309. epio_mask = 1 << epio_pin;
  310. /* Set this EPIO to output */
  311. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  312. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  313. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  314. }
  315. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  316. {
  317. u32 epio_mask, gp_output, gp_oenable;
  318. /* Sanity check */
  319. if (epio_pin > 31) {
  320. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  321. return;
  322. }
  323. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  324. epio_mask = 1 << epio_pin;
  325. /* Set this EPIO to output */
  326. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  327. if (en)
  328. gp_output |= epio_mask;
  329. else
  330. gp_output &= ~epio_mask;
  331. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  332. /* Set the value for this EPIO */
  333. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  334. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  335. }
  336. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  337. {
  338. if (pin_cfg == PIN_CFG_NA)
  339. return;
  340. if (pin_cfg >= PIN_CFG_EPIO0) {
  341. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  342. } else {
  343. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  344. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  345. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  346. }
  347. }
  348. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  349. {
  350. if (pin_cfg == PIN_CFG_NA)
  351. return -EINVAL;
  352. if (pin_cfg >= PIN_CFG_EPIO0) {
  353. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  354. } else {
  355. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  356. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  357. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  358. }
  359. return 0;
  360. }
  361. /******************************************************************/
  362. /* ETS section */
  363. /******************************************************************/
  364. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  365. {
  366. /* ETS disabled configuration*/
  367. struct bnx2x *bp = params->bp;
  368. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  369. /* mapping between entry priority to client number (0,1,2 -debug and
  370. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  371. * 3bits client num.
  372. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  373. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  374. */
  375. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  376. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  377. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  378. * COS0 entry, 4 - COS1 entry.
  379. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  380. * bit4 bit3 bit2 bit1 bit0
  381. * MCP and debug are strict
  382. */
  383. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  384. /* defines which entries (clients) are subjected to WFQ arbitration */
  385. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  386. /* For strict priority entries defines the number of consecutive
  387. * slots for the highest priority.
  388. */
  389. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  390. /* mapping between the CREDIT_WEIGHT registers and actual client
  391. * numbers
  392. */
  393. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  394. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  395. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  396. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  397. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  398. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  399. /* ETS mode disable */
  400. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  401. /* If ETS mode is enabled (there is no strict priority) defines a WFQ
  402. * weight for COS0/COS1.
  403. */
  404. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  405. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  406. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  407. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  408. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  409. /* Defines the number of consecutive slots for the strict priority */
  410. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  411. }
  412. /******************************************************************************
  413. * Description:
  414. * Getting min_w_val will be set according to line speed .
  415. *.
  416. ******************************************************************************/
  417. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  418. {
  419. u32 min_w_val = 0;
  420. /* Calculate min_w_val.*/
  421. if (vars->link_up) {
  422. if (vars->line_speed == SPEED_20000)
  423. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  424. else
  425. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  426. } else
  427. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  428. /* If the link isn't up (static configuration for example ) The
  429. * link will be according to 20GBPS.
  430. */
  431. return min_w_val;
  432. }
  433. /******************************************************************************
  434. * Description:
  435. * Getting credit upper bound form min_w_val.
  436. *.
  437. ******************************************************************************/
  438. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  439. {
  440. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  441. MAX_PACKET_SIZE);
  442. return credit_upper_bound;
  443. }
  444. /******************************************************************************
  445. * Description:
  446. * Set credit upper bound for NIG.
  447. *.
  448. ******************************************************************************/
  449. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  450. const struct link_params *params,
  451. const u32 min_w_val)
  452. {
  453. struct bnx2x *bp = params->bp;
  454. const u8 port = params->port;
  455. const u32 credit_upper_bound =
  456. bnx2x_ets_get_credit_upper_bound(min_w_val);
  457. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  458. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  459. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  460. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  461. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  462. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  463. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  464. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  465. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  466. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  467. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  468. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  469. if (!port) {
  470. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  471. credit_upper_bound);
  472. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  473. credit_upper_bound);
  474. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  475. credit_upper_bound);
  476. }
  477. }
  478. /******************************************************************************
  479. * Description:
  480. * Will return the NIG ETS registers to init values.Except
  481. * credit_upper_bound.
  482. * That isn't used in this configuration (No WFQ is enabled) and will be
  483. * configured acording to spec
  484. *.
  485. ******************************************************************************/
  486. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  487. const struct link_vars *vars)
  488. {
  489. struct bnx2x *bp = params->bp;
  490. const u8 port = params->port;
  491. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  492. /* Mapping between entry priority to client number (0,1,2 -debug and
  493. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  494. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  495. * reset value or init tool
  496. */
  497. if (port) {
  498. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  499. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  500. } else {
  501. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  502. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  503. }
  504. /* For strict priority entries defines the number of consecutive
  505. * slots for the highest priority.
  506. */
  507. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  508. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  509. /* Mapping between the CREDIT_WEIGHT registers and actual client
  510. * numbers
  511. */
  512. if (port) {
  513. /*Port 1 has 6 COS*/
  514. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  515. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  516. } else {
  517. /*Port 0 has 9 COS*/
  518. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  519. 0x43210876);
  520. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  521. }
  522. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  523. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  524. * COS0 entry, 4 - COS1 entry.
  525. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  526. * bit4 bit3 bit2 bit1 bit0
  527. * MCP and debug are strict
  528. */
  529. if (port)
  530. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  531. else
  532. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  533. /* defines which entries (clients) are subjected to WFQ arbitration */
  534. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  535. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  536. /* Please notice the register address are note continuous and a
  537. * for here is note appropriate.In 2 port mode port0 only COS0-5
  538. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  539. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  540. * are never used for WFQ
  541. */
  542. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  543. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  544. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  545. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  546. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  547. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  548. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  549. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  550. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  551. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  552. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  553. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  554. if (!port) {
  555. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  556. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  557. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  558. }
  559. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  560. }
  561. /******************************************************************************
  562. * Description:
  563. * Set credit upper bound for PBF.
  564. *.
  565. ******************************************************************************/
  566. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  567. const struct link_params *params,
  568. const u32 min_w_val)
  569. {
  570. struct bnx2x *bp = params->bp;
  571. const u32 credit_upper_bound =
  572. bnx2x_ets_get_credit_upper_bound(min_w_val);
  573. const u8 port = params->port;
  574. u32 base_upper_bound = 0;
  575. u8 max_cos = 0;
  576. u8 i = 0;
  577. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  578. * port mode port1 has COS0-2 that can be used for WFQ.
  579. */
  580. if (!port) {
  581. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  582. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  583. } else {
  584. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  585. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  586. }
  587. for (i = 0; i < max_cos; i++)
  588. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  589. }
  590. /******************************************************************************
  591. * Description:
  592. * Will return the PBF ETS registers to init values.Except
  593. * credit_upper_bound.
  594. * That isn't used in this configuration (No WFQ is enabled) and will be
  595. * configured acording to spec
  596. *.
  597. ******************************************************************************/
  598. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  599. {
  600. struct bnx2x *bp = params->bp;
  601. const u8 port = params->port;
  602. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  603. u8 i = 0;
  604. u32 base_weight = 0;
  605. u8 max_cos = 0;
  606. /* Mapping between entry priority to client number 0 - COS0
  607. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  608. * TODO_ETS - Should be done by reset value or init tool
  609. */
  610. if (port)
  611. /* 0x688 (|011|0 10|00 1|000) */
  612. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  613. else
  614. /* (10 1|100 |011|0 10|00 1|000) */
  615. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  616. /* TODO_ETS - Should be done by reset value or init tool */
  617. if (port)
  618. /* 0x688 (|011|0 10|00 1|000)*/
  619. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  620. else
  621. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  622. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  623. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  624. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  625. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  626. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  627. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  628. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  629. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
  630. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  631. */
  632. if (!port) {
  633. base_weight = PBF_REG_COS0_WEIGHT_P0;
  634. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  635. } else {
  636. base_weight = PBF_REG_COS0_WEIGHT_P1;
  637. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  638. }
  639. for (i = 0; i < max_cos; i++)
  640. REG_WR(bp, base_weight + (0x4 * i), 0);
  641. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  642. }
  643. /******************************************************************************
  644. * Description:
  645. * E3B0 disable will return basicly the values to init values.
  646. *.
  647. ******************************************************************************/
  648. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  649. const struct link_vars *vars)
  650. {
  651. struct bnx2x *bp = params->bp;
  652. if (!CHIP_IS_E3B0(bp)) {
  653. DP(NETIF_MSG_LINK,
  654. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  655. return -EINVAL;
  656. }
  657. bnx2x_ets_e3b0_nig_disabled(params, vars);
  658. bnx2x_ets_e3b0_pbf_disabled(params);
  659. return 0;
  660. }
  661. /******************************************************************************
  662. * Description:
  663. * Disable will return basicly the values to init values.
  664. *
  665. ******************************************************************************/
  666. int bnx2x_ets_disabled(struct link_params *params,
  667. struct link_vars *vars)
  668. {
  669. struct bnx2x *bp = params->bp;
  670. int bnx2x_status = 0;
  671. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  672. bnx2x_ets_e2e3a0_disabled(params);
  673. else if (CHIP_IS_E3B0(bp))
  674. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  675. else {
  676. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  677. return -EINVAL;
  678. }
  679. return bnx2x_status;
  680. }
  681. /******************************************************************************
  682. * Description
  683. * Set the COS mappimg to SP and BW until this point all the COS are not
  684. * set as SP or BW.
  685. ******************************************************************************/
  686. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  687. const struct bnx2x_ets_params *ets_params,
  688. const u8 cos_sp_bitmap,
  689. const u8 cos_bw_bitmap)
  690. {
  691. struct bnx2x *bp = params->bp;
  692. const u8 port = params->port;
  693. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  694. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  695. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  696. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  697. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  698. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  699. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  700. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  701. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  702. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  703. nig_cli_subject2wfq_bitmap);
  704. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  705. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  706. pbf_cli_subject2wfq_bitmap);
  707. return 0;
  708. }
  709. /******************************************************************************
  710. * Description:
  711. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  712. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  713. ******************************************************************************/
  714. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  715. const u8 cos_entry,
  716. const u32 min_w_val_nig,
  717. const u32 min_w_val_pbf,
  718. const u16 total_bw,
  719. const u8 bw,
  720. const u8 port)
  721. {
  722. u32 nig_reg_adress_crd_weight = 0;
  723. u32 pbf_reg_adress_crd_weight = 0;
  724. /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
  725. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  726. const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
  727. switch (cos_entry) {
  728. case 0:
  729. nig_reg_adress_crd_weight =
  730. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  731. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  732. pbf_reg_adress_crd_weight = (port) ?
  733. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  734. break;
  735. case 1:
  736. nig_reg_adress_crd_weight = (port) ?
  737. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  738. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  739. pbf_reg_adress_crd_weight = (port) ?
  740. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  741. break;
  742. case 2:
  743. nig_reg_adress_crd_weight = (port) ?
  744. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  745. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  746. pbf_reg_adress_crd_weight = (port) ?
  747. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  748. break;
  749. case 3:
  750. if (port)
  751. return -EINVAL;
  752. nig_reg_adress_crd_weight =
  753. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  754. pbf_reg_adress_crd_weight =
  755. PBF_REG_COS3_WEIGHT_P0;
  756. break;
  757. case 4:
  758. if (port)
  759. return -EINVAL;
  760. nig_reg_adress_crd_weight =
  761. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  762. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  763. break;
  764. case 5:
  765. if (port)
  766. return -EINVAL;
  767. nig_reg_adress_crd_weight =
  768. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  769. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  770. break;
  771. }
  772. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  773. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  774. return 0;
  775. }
  776. /******************************************************************************
  777. * Description:
  778. * Calculate the total BW.A value of 0 isn't legal.
  779. *
  780. ******************************************************************************/
  781. static int bnx2x_ets_e3b0_get_total_bw(
  782. const struct link_params *params,
  783. struct bnx2x_ets_params *ets_params,
  784. u16 *total_bw)
  785. {
  786. struct bnx2x *bp = params->bp;
  787. u8 cos_idx = 0;
  788. u8 is_bw_cos_exist = 0;
  789. *total_bw = 0 ;
  790. /* Calculate total BW requested */
  791. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  792. if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
  793. is_bw_cos_exist = 1;
  794. if (!ets_params->cos[cos_idx].params.bw_params.bw) {
  795. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
  796. "was set to 0\n");
  797. /* This is to prevent a state when ramrods
  798. * can't be sent
  799. */
  800. ets_params->cos[cos_idx].params.bw_params.bw
  801. = 1;
  802. }
  803. *total_bw +=
  804. ets_params->cos[cos_idx].params.bw_params.bw;
  805. }
  806. }
  807. /* Check total BW is valid */
  808. if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
  809. if (*total_bw == 0) {
  810. DP(NETIF_MSG_LINK,
  811. "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
  812. return -EINVAL;
  813. }
  814. DP(NETIF_MSG_LINK,
  815. "bnx2x_ets_E3B0_config total BW should be 100\n");
  816. /* We can handle a case whre the BW isn't 100 this can happen
  817. * if the TC are joined.
  818. */
  819. }
  820. return 0;
  821. }
  822. /******************************************************************************
  823. * Description:
  824. * Invalidate all the sp_pri_to_cos.
  825. *
  826. ******************************************************************************/
  827. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  828. {
  829. u8 pri = 0;
  830. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  831. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  832. }
  833. /******************************************************************************
  834. * Description:
  835. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  836. * according to sp_pri_to_cos.
  837. *
  838. ******************************************************************************/
  839. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  840. u8 *sp_pri_to_cos, const u8 pri,
  841. const u8 cos_entry)
  842. {
  843. struct bnx2x *bp = params->bp;
  844. const u8 port = params->port;
  845. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  846. DCBX_E3B0_MAX_NUM_COS_PORT0;
  847. if (pri >= max_num_of_cos) {
  848. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  849. "parameter Illegal strict priority\n");
  850. return -EINVAL;
  851. }
  852. if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
  853. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  854. "parameter There can't be two COS's with "
  855. "the same strict pri\n");
  856. return -EINVAL;
  857. }
  858. sp_pri_to_cos[pri] = cos_entry;
  859. return 0;
  860. }
  861. /******************************************************************************
  862. * Description:
  863. * Returns the correct value according to COS and priority in
  864. * the sp_pri_cli register.
  865. *
  866. ******************************************************************************/
  867. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  868. const u8 pri_set,
  869. const u8 pri_offset,
  870. const u8 entry_size)
  871. {
  872. u64 pri_cli_nig = 0;
  873. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  874. (pri_set + pri_offset));
  875. return pri_cli_nig;
  876. }
  877. /******************************************************************************
  878. * Description:
  879. * Returns the correct value according to COS and priority in the
  880. * sp_pri_cli register for NIG.
  881. *
  882. ******************************************************************************/
  883. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  884. {
  885. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  886. const u8 nig_cos_offset = 3;
  887. const u8 nig_pri_offset = 3;
  888. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  889. nig_pri_offset, 4);
  890. }
  891. /******************************************************************************
  892. * Description:
  893. * Returns the correct value according to COS and priority in the
  894. * sp_pri_cli register for PBF.
  895. *
  896. ******************************************************************************/
  897. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  898. {
  899. const u8 pbf_cos_offset = 0;
  900. const u8 pbf_pri_offset = 0;
  901. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  902. pbf_pri_offset, 3);
  903. }
  904. /******************************************************************************
  905. * Description:
  906. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  907. * according to sp_pri_to_cos.(which COS has higher priority)
  908. *
  909. ******************************************************************************/
  910. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  911. u8 *sp_pri_to_cos)
  912. {
  913. struct bnx2x *bp = params->bp;
  914. u8 i = 0;
  915. const u8 port = params->port;
  916. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  917. u64 pri_cli_nig = 0x210;
  918. u32 pri_cli_pbf = 0x0;
  919. u8 pri_set = 0;
  920. u8 pri_bitmask = 0;
  921. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  922. DCBX_E3B0_MAX_NUM_COS_PORT0;
  923. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  924. /* Set all the strict priority first */
  925. for (i = 0; i < max_num_of_cos; i++) {
  926. if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
  927. if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
  928. DP(NETIF_MSG_LINK,
  929. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  930. "invalid cos entry\n");
  931. return -EINVAL;
  932. }
  933. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  934. sp_pri_to_cos[i], pri_set);
  935. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  936. sp_pri_to_cos[i], pri_set);
  937. pri_bitmask = 1 << sp_pri_to_cos[i];
  938. /* COS is used remove it from bitmap.*/
  939. if (!(pri_bitmask & cos_bit_to_set)) {
  940. DP(NETIF_MSG_LINK,
  941. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  942. "invalid There can't be two COS's with"
  943. " the same strict pri\n");
  944. return -EINVAL;
  945. }
  946. cos_bit_to_set &= ~pri_bitmask;
  947. pri_set++;
  948. }
  949. }
  950. /* Set all the Non strict priority i= COS*/
  951. for (i = 0; i < max_num_of_cos; i++) {
  952. pri_bitmask = 1 << i;
  953. /* Check if COS was already used for SP */
  954. if (pri_bitmask & cos_bit_to_set) {
  955. /* COS wasn't used for SP */
  956. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  957. i, pri_set);
  958. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  959. i, pri_set);
  960. /* COS is used remove it from bitmap.*/
  961. cos_bit_to_set &= ~pri_bitmask;
  962. pri_set++;
  963. }
  964. }
  965. if (pri_set != max_num_of_cos) {
  966. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  967. "entries were set\n");
  968. return -EINVAL;
  969. }
  970. if (port) {
  971. /* Only 6 usable clients*/
  972. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  973. (u32)pri_cli_nig);
  974. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  975. } else {
  976. /* Only 9 usable clients*/
  977. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  978. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  979. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  980. pri_cli_nig_lsb);
  981. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  982. pri_cli_nig_msb);
  983. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  984. }
  985. return 0;
  986. }
  987. /******************************************************************************
  988. * Description:
  989. * Configure the COS to ETS according to BW and SP settings.
  990. ******************************************************************************/
  991. int bnx2x_ets_e3b0_config(const struct link_params *params,
  992. const struct link_vars *vars,
  993. struct bnx2x_ets_params *ets_params)
  994. {
  995. struct bnx2x *bp = params->bp;
  996. int bnx2x_status = 0;
  997. const u8 port = params->port;
  998. u16 total_bw = 0;
  999. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  1000. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  1001. u8 cos_bw_bitmap = 0;
  1002. u8 cos_sp_bitmap = 0;
  1003. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  1004. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  1005. DCBX_E3B0_MAX_NUM_COS_PORT0;
  1006. u8 cos_entry = 0;
  1007. if (!CHIP_IS_E3B0(bp)) {
  1008. DP(NETIF_MSG_LINK,
  1009. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  1010. return -EINVAL;
  1011. }
  1012. if ((ets_params->num_of_cos > max_num_of_cos)) {
  1013. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  1014. "isn't supported\n");
  1015. return -EINVAL;
  1016. }
  1017. /* Prepare sp strict priority parameters*/
  1018. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  1019. /* Prepare BW parameters*/
  1020. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  1021. &total_bw);
  1022. if (bnx2x_status) {
  1023. DP(NETIF_MSG_LINK,
  1024. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  1025. return -EINVAL;
  1026. }
  1027. /* Upper bound is set according to current link speed (min_w_val
  1028. * should be the same for upper bound and COS credit val).
  1029. */
  1030. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  1031. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  1032. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  1033. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  1034. cos_bw_bitmap |= (1 << cos_entry);
  1035. /* The function also sets the BW in HW(not the mappin
  1036. * yet)
  1037. */
  1038. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  1039. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  1040. total_bw,
  1041. ets_params->cos[cos_entry].params.bw_params.bw,
  1042. port);
  1043. } else if (bnx2x_cos_state_strict ==
  1044. ets_params->cos[cos_entry].state){
  1045. cos_sp_bitmap |= (1 << cos_entry);
  1046. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1047. params,
  1048. sp_pri_to_cos,
  1049. ets_params->cos[cos_entry].params.sp_params.pri,
  1050. cos_entry);
  1051. } else {
  1052. DP(NETIF_MSG_LINK,
  1053. "bnx2x_ets_e3b0_config cos state not valid\n");
  1054. return -EINVAL;
  1055. }
  1056. if (bnx2x_status) {
  1057. DP(NETIF_MSG_LINK,
  1058. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1059. return bnx2x_status;
  1060. }
  1061. }
  1062. /* Set SP register (which COS has higher priority) */
  1063. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1064. sp_pri_to_cos);
  1065. if (bnx2x_status) {
  1066. DP(NETIF_MSG_LINK,
  1067. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1068. return bnx2x_status;
  1069. }
  1070. /* Set client mapping of BW and strict */
  1071. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1072. cos_sp_bitmap,
  1073. cos_bw_bitmap);
  1074. if (bnx2x_status) {
  1075. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1076. return bnx2x_status;
  1077. }
  1078. return 0;
  1079. }
  1080. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1081. {
  1082. /* ETS disabled configuration */
  1083. struct bnx2x *bp = params->bp;
  1084. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1085. /* Defines which entries (clients) are subjected to WFQ arbitration
  1086. * COS0 0x8
  1087. * COS1 0x10
  1088. */
  1089. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1090. /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
  1091. * client numbers (WEIGHT_0 does not actually have to represent
  1092. * client 0)
  1093. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1094. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1095. */
  1096. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1097. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1098. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1099. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1100. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1101. /* ETS mode enabled*/
  1102. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1103. /* Defines the number of consecutive slots for the strict priority */
  1104. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1105. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1106. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1107. * entry, 4 - COS1 entry.
  1108. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1109. * bit4 bit3 bit2 bit1 bit0
  1110. * MCP and debug are strict
  1111. */
  1112. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1113. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1114. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1115. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1116. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1117. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1118. }
  1119. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1120. const u32 cos1_bw)
  1121. {
  1122. /* ETS disabled configuration*/
  1123. struct bnx2x *bp = params->bp;
  1124. const u32 total_bw = cos0_bw + cos1_bw;
  1125. u32 cos0_credit_weight = 0;
  1126. u32 cos1_credit_weight = 0;
  1127. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1128. if ((!total_bw) ||
  1129. (!cos0_bw) ||
  1130. (!cos1_bw)) {
  1131. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1132. return;
  1133. }
  1134. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1135. total_bw;
  1136. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1137. total_bw;
  1138. bnx2x_ets_bw_limit_common(params);
  1139. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1140. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1141. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1142. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1143. }
  1144. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1145. {
  1146. /* ETS disabled configuration*/
  1147. struct bnx2x *bp = params->bp;
  1148. u32 val = 0;
  1149. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1150. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1151. * as strict. Bits 0,1,2 - debug and management entries,
  1152. * 3 - COS0 entry, 4 - COS1 entry.
  1153. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1154. * bit4 bit3 bit2 bit1 bit0
  1155. * MCP and debug are strict
  1156. */
  1157. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1158. /* For strict priority entries defines the number of consecutive slots
  1159. * for the highest priority.
  1160. */
  1161. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1162. /* ETS mode disable */
  1163. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1164. /* Defines the number of consecutive slots for the strict priority */
  1165. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1166. /* Defines the number of consecutive slots for the strict priority */
  1167. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1168. /* Mapping between entry priority to client number (0,1,2 -debug and
  1169. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1170. * 3bits client num.
  1171. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1172. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1173. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1174. */
  1175. val = (!strict_cos) ? 0x2318 : 0x22E0;
  1176. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1177. return 0;
  1178. }
  1179. /******************************************************************/
  1180. /* PFC section */
  1181. /******************************************************************/
  1182. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1183. struct link_vars *vars,
  1184. u8 is_lb)
  1185. {
  1186. struct bnx2x *bp = params->bp;
  1187. u32 xmac_base;
  1188. u32 pause_val, pfc0_val, pfc1_val;
  1189. /* XMAC base adrr */
  1190. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1191. /* Initialize pause and pfc registers */
  1192. pause_val = 0x18000;
  1193. pfc0_val = 0xFFFF8000;
  1194. pfc1_val = 0x2;
  1195. /* No PFC support */
  1196. if (!(params->feature_config_flags &
  1197. FEATURE_CONFIG_PFC_ENABLED)) {
  1198. /* RX flow control - Process pause frame in receive direction
  1199. */
  1200. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1201. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1202. /* TX flow control - Send pause packet when buffer is full */
  1203. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1204. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1205. } else {/* PFC support */
  1206. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1207. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1208. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1209. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
  1210. XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1211. /* Write pause and PFC registers */
  1212. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1213. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1214. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1215. pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1216. }
  1217. /* Write pause and PFC registers */
  1218. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1219. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1220. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1221. /* Set MAC address for source TX Pause/PFC frames */
  1222. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1223. ((params->mac_addr[2] << 24) |
  1224. (params->mac_addr[3] << 16) |
  1225. (params->mac_addr[4] << 8) |
  1226. (params->mac_addr[5])));
  1227. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1228. ((params->mac_addr[0] << 8) |
  1229. (params->mac_addr[1])));
  1230. udelay(30);
  1231. }
  1232. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1233. u32 pfc_frames_sent[2],
  1234. u32 pfc_frames_received[2])
  1235. {
  1236. /* Read pfc statistic */
  1237. struct bnx2x *bp = params->bp;
  1238. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1239. u32 val_xon = 0;
  1240. u32 val_xoff = 0;
  1241. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1242. /* PFC received frames */
  1243. val_xoff = REG_RD(bp, emac_base +
  1244. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1245. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1246. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1247. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1248. pfc_frames_received[0] = val_xon + val_xoff;
  1249. /* PFC received sent */
  1250. val_xoff = REG_RD(bp, emac_base +
  1251. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1252. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1253. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1254. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1255. pfc_frames_sent[0] = val_xon + val_xoff;
  1256. }
  1257. /* Read pfc statistic*/
  1258. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1259. u32 pfc_frames_sent[2],
  1260. u32 pfc_frames_received[2])
  1261. {
  1262. /* Read pfc statistic */
  1263. struct bnx2x *bp = params->bp;
  1264. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1265. if (!vars->link_up)
  1266. return;
  1267. if (vars->mac_type == MAC_TYPE_EMAC) {
  1268. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1269. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1270. pfc_frames_received);
  1271. }
  1272. }
  1273. /******************************************************************/
  1274. /* MAC/PBF section */
  1275. /******************************************************************/
  1276. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id,
  1277. u32 emac_base)
  1278. {
  1279. u32 new_mode, cur_mode;
  1280. u32 clc_cnt;
  1281. /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1282. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1283. */
  1284. cur_mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1285. if (USES_WARPCORE(bp))
  1286. clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
  1287. else
  1288. clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
  1289. if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
  1290. (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
  1291. return;
  1292. new_mode = cur_mode &
  1293. ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
  1294. new_mode |= clc_cnt;
  1295. new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1296. DP(NETIF_MSG_LINK, "Changing emac_mode from 0x%x to 0x%x\n",
  1297. cur_mode, new_mode);
  1298. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
  1299. udelay(40);
  1300. }
  1301. static void bnx2x_set_mdio_emac_per_phy(struct bnx2x *bp,
  1302. struct link_params *params)
  1303. {
  1304. u8 phy_index;
  1305. /* Set mdio clock per phy */
  1306. for (phy_index = INT_PHY; phy_index < params->num_phys;
  1307. phy_index++)
  1308. bnx2x_set_mdio_clk(bp, params->chip_id,
  1309. params->phy[phy_index].mdio_ctrl);
  1310. }
  1311. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1312. {
  1313. u32 port4mode_ovwr_val;
  1314. /* Check 4-port override enabled */
  1315. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1316. if (port4mode_ovwr_val & (1<<0)) {
  1317. /* Return 4-port mode override value */
  1318. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1319. }
  1320. /* Return 4-port mode from input pin */
  1321. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1322. }
  1323. static void bnx2x_emac_init(struct link_params *params,
  1324. struct link_vars *vars)
  1325. {
  1326. /* reset and unreset the emac core */
  1327. struct bnx2x *bp = params->bp;
  1328. u8 port = params->port;
  1329. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1330. u32 val;
  1331. u16 timeout;
  1332. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1333. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1334. udelay(5);
  1335. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1336. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1337. /* init emac - use read-modify-write */
  1338. /* self clear reset */
  1339. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1340. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1341. timeout = 200;
  1342. do {
  1343. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1344. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1345. if (!timeout) {
  1346. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1347. return;
  1348. }
  1349. timeout--;
  1350. } while (val & EMAC_MODE_RESET);
  1351. bnx2x_set_mdio_emac_per_phy(bp, params);
  1352. /* Set mac address */
  1353. val = ((params->mac_addr[0] << 8) |
  1354. params->mac_addr[1]);
  1355. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1356. val = ((params->mac_addr[2] << 24) |
  1357. (params->mac_addr[3] << 16) |
  1358. (params->mac_addr[4] << 8) |
  1359. params->mac_addr[5]);
  1360. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1361. }
  1362. static void bnx2x_set_xumac_nig(struct link_params *params,
  1363. u16 tx_pause_en,
  1364. u8 enable)
  1365. {
  1366. struct bnx2x *bp = params->bp;
  1367. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1368. enable);
  1369. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1370. enable);
  1371. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1372. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1373. }
  1374. static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
  1375. {
  1376. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1377. u32 val;
  1378. struct bnx2x *bp = params->bp;
  1379. if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
  1380. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
  1381. return;
  1382. val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
  1383. if (en)
  1384. val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1385. UMAC_COMMAND_CONFIG_REG_RX_ENA);
  1386. else
  1387. val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1388. UMAC_COMMAND_CONFIG_REG_RX_ENA);
  1389. /* Disable RX and TX */
  1390. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1391. }
  1392. static void bnx2x_umac_enable(struct link_params *params,
  1393. struct link_vars *vars, u8 lb)
  1394. {
  1395. u32 val;
  1396. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1397. struct bnx2x *bp = params->bp;
  1398. /* Reset UMAC */
  1399. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1400. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1401. usleep_range(1000, 2000);
  1402. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1403. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1404. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1405. /* This register opens the gate for the UMAC despite its name */
  1406. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1407. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1408. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1409. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1410. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1411. switch (vars->line_speed) {
  1412. case SPEED_10:
  1413. val |= (0<<2);
  1414. break;
  1415. case SPEED_100:
  1416. val |= (1<<2);
  1417. break;
  1418. case SPEED_1000:
  1419. val |= (2<<2);
  1420. break;
  1421. case SPEED_2500:
  1422. val |= (3<<2);
  1423. break;
  1424. default:
  1425. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1426. vars->line_speed);
  1427. break;
  1428. }
  1429. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1430. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1431. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1432. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1433. if (vars->duplex == DUPLEX_HALF)
  1434. val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
  1435. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1436. udelay(50);
  1437. /* Configure UMAC for EEE */
  1438. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1439. DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
  1440. REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
  1441. UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
  1442. REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
  1443. } else {
  1444. REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
  1445. }
  1446. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1447. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1448. ((params->mac_addr[2] << 24) |
  1449. (params->mac_addr[3] << 16) |
  1450. (params->mac_addr[4] << 8) |
  1451. (params->mac_addr[5])));
  1452. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1453. ((params->mac_addr[0] << 8) |
  1454. (params->mac_addr[1])));
  1455. /* Enable RX and TX */
  1456. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1457. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1458. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1459. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1460. udelay(50);
  1461. /* Remove SW Reset */
  1462. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1463. /* Check loopback mode */
  1464. if (lb)
  1465. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1466. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1467. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1468. * length used by the MAC receive logic to check frames.
  1469. */
  1470. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1471. bnx2x_set_xumac_nig(params,
  1472. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1473. vars->mac_type = MAC_TYPE_UMAC;
  1474. }
  1475. /* Define the XMAC mode */
  1476. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1477. {
  1478. struct bnx2x *bp = params->bp;
  1479. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1480. /* In 4-port mode, need to set the mode only once, so if XMAC is
  1481. * already out of reset, it means the mode has already been set,
  1482. * and it must not* reset the XMAC again, since it controls both
  1483. * ports of the path
  1484. */
  1485. if (((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) ||
  1486. (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) ||
  1487. (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE)) &&
  1488. is_port4mode &&
  1489. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1490. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1491. DP(NETIF_MSG_LINK,
  1492. "XMAC already out of reset in 4-port mode\n");
  1493. return;
  1494. }
  1495. /* Hard reset */
  1496. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1497. MISC_REGISTERS_RESET_REG_2_XMAC);
  1498. usleep_range(1000, 2000);
  1499. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1500. MISC_REGISTERS_RESET_REG_2_XMAC);
  1501. if (is_port4mode) {
  1502. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1503. /* Set the number of ports on the system side to up to 2 */
  1504. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1505. /* Set the number of ports on the Warp Core to 10G */
  1506. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1507. } else {
  1508. /* Set the number of ports on the system side to 1 */
  1509. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1510. if (max_speed == SPEED_10000) {
  1511. DP(NETIF_MSG_LINK,
  1512. "Init XMAC to 10G x 1 port per path\n");
  1513. /* Set the number of ports on the Warp Core to 10G */
  1514. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1515. } else {
  1516. DP(NETIF_MSG_LINK,
  1517. "Init XMAC to 20G x 2 ports per path\n");
  1518. /* Set the number of ports on the Warp Core to 20G */
  1519. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1520. }
  1521. }
  1522. /* Soft reset */
  1523. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1524. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1525. usleep_range(1000, 2000);
  1526. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1527. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1528. }
  1529. static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
  1530. {
  1531. u8 port = params->port;
  1532. struct bnx2x *bp = params->bp;
  1533. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1534. u32 val;
  1535. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1536. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1537. /* Send an indication to change the state in the NIG back to XON
  1538. * Clearing this bit enables the next set of this bit to get
  1539. * rising edge
  1540. */
  1541. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1542. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1543. (pfc_ctrl & ~(1<<1)));
  1544. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1545. (pfc_ctrl | (1<<1)));
  1546. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1547. val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
  1548. if (en)
  1549. val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
  1550. else
  1551. val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
  1552. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1553. }
  1554. }
  1555. static int bnx2x_xmac_enable(struct link_params *params,
  1556. struct link_vars *vars, u8 lb)
  1557. {
  1558. u32 val, xmac_base;
  1559. struct bnx2x *bp = params->bp;
  1560. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1561. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1562. bnx2x_xmac_init(params, vars->line_speed);
  1563. /* This register determines on which events the MAC will assert
  1564. * error on the i/f to the NIG along w/ EOP.
  1565. */
  1566. /* This register tells the NIG whether to send traffic to UMAC
  1567. * or XMAC
  1568. */
  1569. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1570. /* When XMAC is in XLGMII mode, disable sending idles for fault
  1571. * detection.
  1572. */
  1573. if (!(params->phy[INT_PHY].flags & FLAGS_TX_ERROR_CHECK)) {
  1574. REG_WR(bp, xmac_base + XMAC_REG_RX_LSS_CTRL,
  1575. (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
  1576. XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
  1577. REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  1578. REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  1579. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  1580. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  1581. }
  1582. /* Set Max packet size */
  1583. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1584. /* CRC append for Tx packets */
  1585. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1586. /* update PFC */
  1587. bnx2x_update_pfc_xmac(params, vars, 0);
  1588. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1589. DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
  1590. REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
  1591. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
  1592. } else {
  1593. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
  1594. }
  1595. /* Enable TX and RX */
  1596. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1597. /* Set MAC in XLGMII mode for dual-mode */
  1598. if ((vars->line_speed == SPEED_20000) &&
  1599. (params->phy[INT_PHY].supported &
  1600. SUPPORTED_20000baseKR2_Full))
  1601. val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
  1602. /* Check loopback mode */
  1603. if (lb)
  1604. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1605. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1606. bnx2x_set_xumac_nig(params,
  1607. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1608. vars->mac_type = MAC_TYPE_XMAC;
  1609. return 0;
  1610. }
  1611. static int bnx2x_emac_enable(struct link_params *params,
  1612. struct link_vars *vars, u8 lb)
  1613. {
  1614. struct bnx2x *bp = params->bp;
  1615. u8 port = params->port;
  1616. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1617. u32 val;
  1618. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1619. /* Disable BMAC */
  1620. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1621. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1622. /* enable emac and not bmac */
  1623. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1624. /* ASIC */
  1625. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1626. u32 ser_lane = ((params->lane_config &
  1627. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1628. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1629. DP(NETIF_MSG_LINK, "XGXS\n");
  1630. /* select the master lanes (out of 0-3) */
  1631. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1632. /* select XGXS */
  1633. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1634. } else { /* SerDes */
  1635. DP(NETIF_MSG_LINK, "SerDes\n");
  1636. /* select SerDes */
  1637. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1638. }
  1639. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1640. EMAC_RX_MODE_RESET);
  1641. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1642. EMAC_TX_MODE_RESET);
  1643. /* pause enable/disable */
  1644. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1645. EMAC_RX_MODE_FLOW_EN);
  1646. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1647. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1648. EMAC_TX_MODE_FLOW_EN));
  1649. if (!(params->feature_config_flags &
  1650. FEATURE_CONFIG_PFC_ENABLED)) {
  1651. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1652. bnx2x_bits_en(bp, emac_base +
  1653. EMAC_REG_EMAC_RX_MODE,
  1654. EMAC_RX_MODE_FLOW_EN);
  1655. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1656. bnx2x_bits_en(bp, emac_base +
  1657. EMAC_REG_EMAC_TX_MODE,
  1658. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1659. EMAC_TX_MODE_FLOW_EN));
  1660. } else
  1661. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1662. EMAC_TX_MODE_FLOW_EN);
  1663. /* KEEP_VLAN_TAG, promiscuous */
  1664. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1665. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1666. /* Setting this bit causes MAC control frames (except for pause
  1667. * frames) to be passed on for processing. This setting has no
  1668. * affect on the operation of the pause frames. This bit effects
  1669. * all packets regardless of RX Parser packet sorting logic.
  1670. * Turn the PFC off to make sure we are in Xon state before
  1671. * enabling it.
  1672. */
  1673. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1674. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1675. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1676. /* Enable PFC again */
  1677. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1678. EMAC_REG_RX_PFC_MODE_RX_EN |
  1679. EMAC_REG_RX_PFC_MODE_TX_EN |
  1680. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1681. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1682. ((0x0101 <<
  1683. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1684. (0x00ff <<
  1685. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1686. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1687. }
  1688. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1689. /* Set Loopback */
  1690. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1691. if (lb)
  1692. val |= 0x810;
  1693. else
  1694. val &= ~0x810;
  1695. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1696. /* Enable emac */
  1697. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1698. /* Enable emac for jumbo packets */
  1699. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1700. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1701. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1702. /* Strip CRC */
  1703. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1704. /* Disable the NIG in/out to the bmac */
  1705. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1706. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1707. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1708. /* Enable the NIG in/out to the emac */
  1709. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1710. val = 0;
  1711. if ((params->feature_config_flags &
  1712. FEATURE_CONFIG_PFC_ENABLED) ||
  1713. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1714. val = 1;
  1715. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1716. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1717. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1718. vars->mac_type = MAC_TYPE_EMAC;
  1719. return 0;
  1720. }
  1721. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1722. struct link_vars *vars)
  1723. {
  1724. u32 wb_data[2];
  1725. struct bnx2x *bp = params->bp;
  1726. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1727. NIG_REG_INGRESS_BMAC0_MEM;
  1728. u32 val = 0x14;
  1729. if ((!(params->feature_config_flags &
  1730. FEATURE_CONFIG_PFC_ENABLED)) &&
  1731. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1732. /* Enable BigMAC to react on received Pause packets */
  1733. val |= (1<<5);
  1734. wb_data[0] = val;
  1735. wb_data[1] = 0;
  1736. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1737. /* TX control */
  1738. val = 0xc0;
  1739. if (!(params->feature_config_flags &
  1740. FEATURE_CONFIG_PFC_ENABLED) &&
  1741. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1742. val |= 0x800000;
  1743. wb_data[0] = val;
  1744. wb_data[1] = 0;
  1745. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1746. }
  1747. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1748. struct link_vars *vars,
  1749. u8 is_lb)
  1750. {
  1751. /* Set rx control: Strip CRC and enable BigMAC to relay
  1752. * control packets to the system as well
  1753. */
  1754. u32 wb_data[2];
  1755. struct bnx2x *bp = params->bp;
  1756. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1757. NIG_REG_INGRESS_BMAC0_MEM;
  1758. u32 val = 0x14;
  1759. if ((!(params->feature_config_flags &
  1760. FEATURE_CONFIG_PFC_ENABLED)) &&
  1761. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1762. /* Enable BigMAC to react on received Pause packets */
  1763. val |= (1<<5);
  1764. wb_data[0] = val;
  1765. wb_data[1] = 0;
  1766. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1767. udelay(30);
  1768. /* Tx control */
  1769. val = 0xc0;
  1770. if (!(params->feature_config_flags &
  1771. FEATURE_CONFIG_PFC_ENABLED) &&
  1772. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1773. val |= 0x800000;
  1774. wb_data[0] = val;
  1775. wb_data[1] = 0;
  1776. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1777. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1778. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1779. /* Enable PFC RX & TX & STATS and set 8 COS */
  1780. wb_data[0] = 0x0;
  1781. wb_data[0] |= (1<<0); /* RX */
  1782. wb_data[0] |= (1<<1); /* TX */
  1783. wb_data[0] |= (1<<2); /* Force initial Xon */
  1784. wb_data[0] |= (1<<3); /* 8 cos */
  1785. wb_data[0] |= (1<<5); /* STATS */
  1786. wb_data[1] = 0;
  1787. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1788. wb_data, 2);
  1789. /* Clear the force Xon */
  1790. wb_data[0] &= ~(1<<2);
  1791. } else {
  1792. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1793. /* Disable PFC RX & TX & STATS and set 8 COS */
  1794. wb_data[0] = 0x8;
  1795. wb_data[1] = 0;
  1796. }
  1797. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1798. /* Set Time (based unit is 512 bit time) between automatic
  1799. * re-sending of PP packets amd enable automatic re-send of
  1800. * Per-Priroity Packet as long as pp_gen is asserted and
  1801. * pp_disable is low.
  1802. */
  1803. val = 0x8000;
  1804. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1805. val |= (1<<16); /* enable automatic re-send */
  1806. wb_data[0] = val;
  1807. wb_data[1] = 0;
  1808. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1809. wb_data, 2);
  1810. /* mac control */
  1811. val = 0x3; /* Enable RX and TX */
  1812. if (is_lb) {
  1813. val |= 0x4; /* Local loopback */
  1814. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1815. }
  1816. /* When PFC enabled, Pass pause frames towards the NIG. */
  1817. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1818. val |= ((1<<6)|(1<<5));
  1819. wb_data[0] = val;
  1820. wb_data[1] = 0;
  1821. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1822. }
  1823. /******************************************************************************
  1824. * Description:
  1825. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  1826. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  1827. ******************************************************************************/
  1828. static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  1829. u8 cos_entry,
  1830. u32 priority_mask, u8 port)
  1831. {
  1832. u32 nig_reg_rx_priority_mask_add = 0;
  1833. switch (cos_entry) {
  1834. case 0:
  1835. nig_reg_rx_priority_mask_add = (port) ?
  1836. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  1837. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  1838. break;
  1839. case 1:
  1840. nig_reg_rx_priority_mask_add = (port) ?
  1841. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  1842. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  1843. break;
  1844. case 2:
  1845. nig_reg_rx_priority_mask_add = (port) ?
  1846. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  1847. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  1848. break;
  1849. case 3:
  1850. if (port)
  1851. return -EINVAL;
  1852. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  1853. break;
  1854. case 4:
  1855. if (port)
  1856. return -EINVAL;
  1857. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  1858. break;
  1859. case 5:
  1860. if (port)
  1861. return -EINVAL;
  1862. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  1863. break;
  1864. }
  1865. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  1866. return 0;
  1867. }
  1868. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  1869. {
  1870. struct bnx2x *bp = params->bp;
  1871. REG_WR(bp, params->shmem_base +
  1872. offsetof(struct shmem_region,
  1873. port_mb[params->port].link_status), link_status);
  1874. }
  1875. static void bnx2x_update_link_attr(struct link_params *params, u32 link_attr)
  1876. {
  1877. struct bnx2x *bp = params->bp;
  1878. if (SHMEM2_HAS(bp, link_attr_sync))
  1879. REG_WR(bp, params->shmem2_base +
  1880. offsetof(struct shmem2_region,
  1881. link_attr_sync[params->port]), link_attr);
  1882. }
  1883. static void bnx2x_update_pfc_nig(struct link_params *params,
  1884. struct link_vars *vars,
  1885. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  1886. {
  1887. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  1888. u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
  1889. u32 pkt_priority_to_cos = 0;
  1890. struct bnx2x *bp = params->bp;
  1891. u8 port = params->port;
  1892. int set_pfc = params->feature_config_flags &
  1893. FEATURE_CONFIG_PFC_ENABLED;
  1894. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  1895. /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  1896. * MAC control frames (that are not pause packets)
  1897. * will be forwarded to the XCM.
  1898. */
  1899. xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
  1900. NIG_REG_LLH0_XCM_MASK);
  1901. /* NIG params will override non PFC params, since it's possible to
  1902. * do transition from PFC to SAFC
  1903. */
  1904. if (set_pfc) {
  1905. pause_enable = 0;
  1906. llfc_out_en = 0;
  1907. llfc_enable = 0;
  1908. if (CHIP_IS_E3(bp))
  1909. ppp_enable = 0;
  1910. else
  1911. ppp_enable = 1;
  1912. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  1913. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  1914. xcm_out_en = 0;
  1915. hwpfc_enable = 1;
  1916. } else {
  1917. if (nig_params) {
  1918. llfc_out_en = nig_params->llfc_out_en;
  1919. llfc_enable = nig_params->llfc_enable;
  1920. pause_enable = nig_params->pause_enable;
  1921. } else /* Default non PFC mode - PAUSE */
  1922. pause_enable = 1;
  1923. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  1924. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  1925. xcm_out_en = 1;
  1926. }
  1927. if (CHIP_IS_E3(bp))
  1928. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  1929. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  1930. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  1931. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  1932. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  1933. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  1934. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  1935. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  1936. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  1937. NIG_REG_PPP_ENABLE_0, ppp_enable);
  1938. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  1939. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  1940. REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
  1941. NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  1942. /* Output enable for RX_XCM # IF */
  1943. REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
  1944. NIG_REG_XCM0_OUT_EN, xcm_out_en);
  1945. /* HW PFC TX enable */
  1946. REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
  1947. NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
  1948. if (nig_params) {
  1949. u8 i = 0;
  1950. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  1951. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  1952. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  1953. nig_params->rx_cos_priority_mask[i], port);
  1954. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  1955. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  1956. nig_params->llfc_high_priority_classes);
  1957. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  1958. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  1959. nig_params->llfc_low_priority_classes);
  1960. }
  1961. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  1962. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  1963. pkt_priority_to_cos);
  1964. }
  1965. int bnx2x_update_pfc(struct link_params *params,
  1966. struct link_vars *vars,
  1967. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  1968. {
  1969. /* The PFC and pause are orthogonal to one another, meaning when
  1970. * PFC is enabled, the pause are disabled, and when PFC is
  1971. * disabled, pause are set according to the pause result.
  1972. */
  1973. u32 val;
  1974. struct bnx2x *bp = params->bp;
  1975. int bnx2x_status = 0;
  1976. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  1977. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1978. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  1979. else
  1980. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  1981. bnx2x_update_mng(params, vars->link_status);
  1982. /* Update NIG params */
  1983. bnx2x_update_pfc_nig(params, vars, pfc_params);
  1984. if (!vars->link_up)
  1985. return bnx2x_status;
  1986. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  1987. if (CHIP_IS_E3(bp)) {
  1988. if (vars->mac_type == MAC_TYPE_XMAC)
  1989. bnx2x_update_pfc_xmac(params, vars, 0);
  1990. } else {
  1991. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  1992. if ((val &
  1993. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  1994. == 0) {
  1995. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  1996. bnx2x_emac_enable(params, vars, 0);
  1997. return bnx2x_status;
  1998. }
  1999. if (CHIP_IS_E2(bp))
  2000. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2001. else
  2002. bnx2x_update_pfc_bmac1(params, vars);
  2003. val = 0;
  2004. if ((params->feature_config_flags &
  2005. FEATURE_CONFIG_PFC_ENABLED) ||
  2006. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2007. val = 1;
  2008. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2009. }
  2010. return bnx2x_status;
  2011. }
  2012. static int bnx2x_bmac1_enable(struct link_params *params,
  2013. struct link_vars *vars,
  2014. u8 is_lb)
  2015. {
  2016. struct bnx2x *bp = params->bp;
  2017. u8 port = params->port;
  2018. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2019. NIG_REG_INGRESS_BMAC0_MEM;
  2020. u32 wb_data[2];
  2021. u32 val;
  2022. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2023. /* XGXS control */
  2024. wb_data[0] = 0x3c;
  2025. wb_data[1] = 0;
  2026. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2027. wb_data, 2);
  2028. /* TX MAC SA */
  2029. wb_data[0] = ((params->mac_addr[2] << 24) |
  2030. (params->mac_addr[3] << 16) |
  2031. (params->mac_addr[4] << 8) |
  2032. params->mac_addr[5]);
  2033. wb_data[1] = ((params->mac_addr[0] << 8) |
  2034. params->mac_addr[1]);
  2035. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2036. /* MAC control */
  2037. val = 0x3;
  2038. if (is_lb) {
  2039. val |= 0x4;
  2040. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2041. }
  2042. wb_data[0] = val;
  2043. wb_data[1] = 0;
  2044. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2045. /* Set rx mtu */
  2046. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2047. wb_data[1] = 0;
  2048. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2049. bnx2x_update_pfc_bmac1(params, vars);
  2050. /* Set tx mtu */
  2051. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2052. wb_data[1] = 0;
  2053. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2054. /* Set cnt max size */
  2055. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2056. wb_data[1] = 0;
  2057. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2058. /* Configure SAFC */
  2059. wb_data[0] = 0x1000200;
  2060. wb_data[1] = 0;
  2061. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2062. wb_data, 2);
  2063. return 0;
  2064. }
  2065. static int bnx2x_bmac2_enable(struct link_params *params,
  2066. struct link_vars *vars,
  2067. u8 is_lb)
  2068. {
  2069. struct bnx2x *bp = params->bp;
  2070. u8 port = params->port;
  2071. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2072. NIG_REG_INGRESS_BMAC0_MEM;
  2073. u32 wb_data[2];
  2074. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2075. wb_data[0] = 0;
  2076. wb_data[1] = 0;
  2077. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2078. udelay(30);
  2079. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2080. wb_data[0] = 0x3c;
  2081. wb_data[1] = 0;
  2082. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2083. wb_data, 2);
  2084. udelay(30);
  2085. /* TX MAC SA */
  2086. wb_data[0] = ((params->mac_addr[2] << 24) |
  2087. (params->mac_addr[3] << 16) |
  2088. (params->mac_addr[4] << 8) |
  2089. params->mac_addr[5]);
  2090. wb_data[1] = ((params->mac_addr[0] << 8) |
  2091. params->mac_addr[1]);
  2092. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2093. wb_data, 2);
  2094. udelay(30);
  2095. /* Configure SAFC */
  2096. wb_data[0] = 0x1000200;
  2097. wb_data[1] = 0;
  2098. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2099. wb_data, 2);
  2100. udelay(30);
  2101. /* Set RX MTU */
  2102. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2103. wb_data[1] = 0;
  2104. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2105. udelay(30);
  2106. /* Set TX MTU */
  2107. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2108. wb_data[1] = 0;
  2109. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2110. udelay(30);
  2111. /* Set cnt max size */
  2112. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2113. wb_data[1] = 0;
  2114. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2115. udelay(30);
  2116. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2117. return 0;
  2118. }
  2119. static int bnx2x_bmac_enable(struct link_params *params,
  2120. struct link_vars *vars,
  2121. u8 is_lb, u8 reset_bmac)
  2122. {
  2123. int rc = 0;
  2124. u8 port = params->port;
  2125. struct bnx2x *bp = params->bp;
  2126. u32 val;
  2127. /* Reset and unreset the BigMac */
  2128. if (reset_bmac) {
  2129. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2130. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2131. usleep_range(1000, 2000);
  2132. }
  2133. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2134. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2135. /* Enable access for bmac registers */
  2136. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2137. /* Enable BMAC according to BMAC type*/
  2138. if (CHIP_IS_E2(bp))
  2139. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2140. else
  2141. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2142. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2143. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2144. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2145. val = 0;
  2146. if ((params->feature_config_flags &
  2147. FEATURE_CONFIG_PFC_ENABLED) ||
  2148. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2149. val = 1;
  2150. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2151. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2152. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2153. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2154. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2155. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2156. vars->mac_type = MAC_TYPE_BMAC;
  2157. return rc;
  2158. }
  2159. static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
  2160. {
  2161. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2162. NIG_REG_INGRESS_BMAC0_MEM;
  2163. u32 wb_data[2];
  2164. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2165. if (CHIP_IS_E2(bp))
  2166. bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
  2167. else
  2168. bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
  2169. /* Only if the bmac is out of reset */
  2170. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2171. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2172. nig_bmac_enable) {
  2173. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2174. REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
  2175. if (en)
  2176. wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
  2177. else
  2178. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2179. REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
  2180. usleep_range(1000, 2000);
  2181. }
  2182. }
  2183. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2184. u32 line_speed)
  2185. {
  2186. struct bnx2x *bp = params->bp;
  2187. u8 port = params->port;
  2188. u32 init_crd, crd;
  2189. u32 count = 1000;
  2190. /* Disable port */
  2191. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2192. /* Wait for init credit */
  2193. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2194. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2195. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2196. while ((init_crd != crd) && count) {
  2197. usleep_range(5000, 10000);
  2198. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2199. count--;
  2200. }
  2201. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2202. if (init_crd != crd) {
  2203. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2204. init_crd, crd);
  2205. return -EINVAL;
  2206. }
  2207. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2208. line_speed == SPEED_10 ||
  2209. line_speed == SPEED_100 ||
  2210. line_speed == SPEED_1000 ||
  2211. line_speed == SPEED_2500) {
  2212. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2213. /* Update threshold */
  2214. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2215. /* Update init credit */
  2216. init_crd = 778; /* (800-18-4) */
  2217. } else {
  2218. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2219. ETH_OVREHEAD)/16;
  2220. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2221. /* Update threshold */
  2222. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2223. /* Update init credit */
  2224. switch (line_speed) {
  2225. case SPEED_10000:
  2226. init_crd = thresh + 553 - 22;
  2227. break;
  2228. default:
  2229. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2230. line_speed);
  2231. return -EINVAL;
  2232. }
  2233. }
  2234. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2235. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2236. line_speed, init_crd);
  2237. /* Probe the credit changes */
  2238. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2239. usleep_range(5000, 10000);
  2240. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2241. /* Enable port */
  2242. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2243. return 0;
  2244. }
  2245. /**
  2246. * bnx2x_get_emac_base - retrive emac base address
  2247. *
  2248. * @bp: driver handle
  2249. * @mdc_mdio_access: access type
  2250. * @port: port id
  2251. *
  2252. * This function selects the MDC/MDIO access (through emac0 or
  2253. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2254. * phy has a default access mode, which could also be overridden
  2255. * by nvram configuration. This parameter, whether this is the
  2256. * default phy configuration, or the nvram overrun
  2257. * configuration, is passed here as mdc_mdio_access and selects
  2258. * the emac_base for the CL45 read/writes operations
  2259. */
  2260. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2261. u32 mdc_mdio_access, u8 port)
  2262. {
  2263. u32 emac_base = 0;
  2264. switch (mdc_mdio_access) {
  2265. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2266. break;
  2267. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2268. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2269. emac_base = GRCBASE_EMAC1;
  2270. else
  2271. emac_base = GRCBASE_EMAC0;
  2272. break;
  2273. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2274. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2275. emac_base = GRCBASE_EMAC0;
  2276. else
  2277. emac_base = GRCBASE_EMAC1;
  2278. break;
  2279. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2280. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2281. break;
  2282. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2283. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2284. break;
  2285. default:
  2286. break;
  2287. }
  2288. return emac_base;
  2289. }
  2290. /******************************************************************/
  2291. /* CL22 access functions */
  2292. /******************************************************************/
  2293. static int bnx2x_cl22_write(struct bnx2x *bp,
  2294. struct bnx2x_phy *phy,
  2295. u16 reg, u16 val)
  2296. {
  2297. u32 tmp, mode;
  2298. u8 i;
  2299. int rc = 0;
  2300. /* Switch to CL22 */
  2301. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2302. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2303. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2304. /* Address */
  2305. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2306. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2307. EMAC_MDIO_COMM_START_BUSY);
  2308. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2309. for (i = 0; i < 50; i++) {
  2310. udelay(10);
  2311. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2312. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2313. udelay(5);
  2314. break;
  2315. }
  2316. }
  2317. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2318. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2319. rc = -EFAULT;
  2320. }
  2321. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2322. return rc;
  2323. }
  2324. static int bnx2x_cl22_read(struct bnx2x *bp,
  2325. struct bnx2x_phy *phy,
  2326. u16 reg, u16 *ret_val)
  2327. {
  2328. u32 val, mode;
  2329. u16 i;
  2330. int rc = 0;
  2331. /* Switch to CL22 */
  2332. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2333. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2334. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2335. /* Address */
  2336. val = ((phy->addr << 21) | (reg << 16) |
  2337. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2338. EMAC_MDIO_COMM_START_BUSY);
  2339. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2340. for (i = 0; i < 50; i++) {
  2341. udelay(10);
  2342. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2343. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2344. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2345. udelay(5);
  2346. break;
  2347. }
  2348. }
  2349. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2350. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2351. *ret_val = 0;
  2352. rc = -EFAULT;
  2353. }
  2354. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2355. return rc;
  2356. }
  2357. /******************************************************************/
  2358. /* CL45 access functions */
  2359. /******************************************************************/
  2360. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2361. u8 devad, u16 reg, u16 *ret_val)
  2362. {
  2363. u32 val;
  2364. u16 i;
  2365. int rc = 0;
  2366. u32 chip_id;
  2367. if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
  2368. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  2369. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  2370. bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
  2371. }
  2372. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2373. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2374. EMAC_MDIO_STATUS_10MB);
  2375. /* Address */
  2376. val = ((phy->addr << 21) | (devad << 16) | reg |
  2377. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2378. EMAC_MDIO_COMM_START_BUSY);
  2379. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2380. for (i = 0; i < 50; i++) {
  2381. udelay(10);
  2382. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2383. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2384. udelay(5);
  2385. break;
  2386. }
  2387. }
  2388. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2389. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2390. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2391. *ret_val = 0;
  2392. rc = -EFAULT;
  2393. } else {
  2394. /* Data */
  2395. val = ((phy->addr << 21) | (devad << 16) |
  2396. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2397. EMAC_MDIO_COMM_START_BUSY);
  2398. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2399. for (i = 0; i < 50; i++) {
  2400. udelay(10);
  2401. val = REG_RD(bp, phy->mdio_ctrl +
  2402. EMAC_REG_EMAC_MDIO_COMM);
  2403. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2404. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2405. break;
  2406. }
  2407. }
  2408. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2409. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2410. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2411. *ret_val = 0;
  2412. rc = -EFAULT;
  2413. }
  2414. }
  2415. /* Work around for E3 A0 */
  2416. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2417. phy->flags ^= FLAGS_DUMMY_READ;
  2418. if (phy->flags & FLAGS_DUMMY_READ) {
  2419. u16 temp_val;
  2420. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2421. }
  2422. }
  2423. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2424. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2425. EMAC_MDIO_STATUS_10MB);
  2426. return rc;
  2427. }
  2428. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2429. u8 devad, u16 reg, u16 val)
  2430. {
  2431. u32 tmp;
  2432. u8 i;
  2433. int rc = 0;
  2434. u32 chip_id;
  2435. if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
  2436. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  2437. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  2438. bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
  2439. }
  2440. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2441. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2442. EMAC_MDIO_STATUS_10MB);
  2443. /* Address */
  2444. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2445. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2446. EMAC_MDIO_COMM_START_BUSY);
  2447. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2448. for (i = 0; i < 50; i++) {
  2449. udelay(10);
  2450. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2451. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2452. udelay(5);
  2453. break;
  2454. }
  2455. }
  2456. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2457. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2458. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2459. rc = -EFAULT;
  2460. } else {
  2461. /* Data */
  2462. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2463. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2464. EMAC_MDIO_COMM_START_BUSY);
  2465. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2466. for (i = 0; i < 50; i++) {
  2467. udelay(10);
  2468. tmp = REG_RD(bp, phy->mdio_ctrl +
  2469. EMAC_REG_EMAC_MDIO_COMM);
  2470. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2471. udelay(5);
  2472. break;
  2473. }
  2474. }
  2475. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2476. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2477. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2478. rc = -EFAULT;
  2479. }
  2480. }
  2481. /* Work around for E3 A0 */
  2482. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2483. phy->flags ^= FLAGS_DUMMY_READ;
  2484. if (phy->flags & FLAGS_DUMMY_READ) {
  2485. u16 temp_val;
  2486. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2487. }
  2488. }
  2489. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2490. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2491. EMAC_MDIO_STATUS_10MB);
  2492. return rc;
  2493. }
  2494. /******************************************************************/
  2495. /* EEE section */
  2496. /******************************************************************/
  2497. static u8 bnx2x_eee_has_cap(struct link_params *params)
  2498. {
  2499. struct bnx2x *bp = params->bp;
  2500. if (REG_RD(bp, params->shmem2_base) <=
  2501. offsetof(struct shmem2_region, eee_status[params->port]))
  2502. return 0;
  2503. return 1;
  2504. }
  2505. static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
  2506. {
  2507. switch (nvram_mode) {
  2508. case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
  2509. *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
  2510. break;
  2511. case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
  2512. *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
  2513. break;
  2514. case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
  2515. *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
  2516. break;
  2517. default:
  2518. *idle_timer = 0;
  2519. break;
  2520. }
  2521. return 0;
  2522. }
  2523. static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
  2524. {
  2525. switch (idle_timer) {
  2526. case EEE_MODE_NVRAM_BALANCED_TIME:
  2527. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
  2528. break;
  2529. case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
  2530. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
  2531. break;
  2532. case EEE_MODE_NVRAM_LATENCY_TIME:
  2533. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
  2534. break;
  2535. default:
  2536. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
  2537. break;
  2538. }
  2539. return 0;
  2540. }
  2541. static u32 bnx2x_eee_calc_timer(struct link_params *params)
  2542. {
  2543. u32 eee_mode, eee_idle;
  2544. struct bnx2x *bp = params->bp;
  2545. if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
  2546. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2547. /* time value in eee_mode --> used directly*/
  2548. eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
  2549. } else {
  2550. /* hsi value in eee_mode --> time */
  2551. if (bnx2x_eee_nvram_to_time(params->eee_mode &
  2552. EEE_MODE_NVRAM_MASK,
  2553. &eee_idle))
  2554. return 0;
  2555. }
  2556. } else {
  2557. /* hsi values in nvram --> time*/
  2558. eee_mode = ((REG_RD(bp, params->shmem_base +
  2559. offsetof(struct shmem_region, dev_info.
  2560. port_feature_config[params->port].
  2561. eee_power_mode)) &
  2562. PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
  2563. PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
  2564. if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
  2565. return 0;
  2566. }
  2567. return eee_idle;
  2568. }
  2569. static int bnx2x_eee_set_timers(struct link_params *params,
  2570. struct link_vars *vars)
  2571. {
  2572. u32 eee_idle = 0, eee_mode;
  2573. struct bnx2x *bp = params->bp;
  2574. eee_idle = bnx2x_eee_calc_timer(params);
  2575. if (eee_idle) {
  2576. REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
  2577. eee_idle);
  2578. } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
  2579. (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
  2580. (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
  2581. DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
  2582. return -EINVAL;
  2583. }
  2584. vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
  2585. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2586. /* eee_idle in 1u --> eee_status in 16u */
  2587. eee_idle >>= 4;
  2588. vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
  2589. SHMEM_EEE_TIME_OUTPUT_BIT;
  2590. } else {
  2591. if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
  2592. return -EINVAL;
  2593. vars->eee_status |= eee_mode;
  2594. }
  2595. return 0;
  2596. }
  2597. static int bnx2x_eee_initial_config(struct link_params *params,
  2598. struct link_vars *vars, u8 mode)
  2599. {
  2600. vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
  2601. /* Propogate params' bits --> vars (for migration exposure) */
  2602. if (params->eee_mode & EEE_MODE_ENABLE_LPI)
  2603. vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
  2604. else
  2605. vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
  2606. if (params->eee_mode & EEE_MODE_ADV_LPI)
  2607. vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
  2608. else
  2609. vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
  2610. return bnx2x_eee_set_timers(params, vars);
  2611. }
  2612. static int bnx2x_eee_disable(struct bnx2x_phy *phy,
  2613. struct link_params *params,
  2614. struct link_vars *vars)
  2615. {
  2616. struct bnx2x *bp = params->bp;
  2617. /* Make Certain LPI is disabled */
  2618. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
  2619. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
  2620. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2621. return 0;
  2622. }
  2623. static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
  2624. struct link_params *params,
  2625. struct link_vars *vars, u8 modes)
  2626. {
  2627. struct bnx2x *bp = params->bp;
  2628. u16 val = 0;
  2629. /* Mask events preventing LPI generation */
  2630. REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
  2631. if (modes & SHMEM_EEE_10G_ADV) {
  2632. DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
  2633. val |= 0x8;
  2634. }
  2635. if (modes & SHMEM_EEE_1G_ADV) {
  2636. DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
  2637. val |= 0x4;
  2638. }
  2639. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
  2640. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2641. vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
  2642. return 0;
  2643. }
  2644. static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
  2645. {
  2646. struct bnx2x *bp = params->bp;
  2647. if (bnx2x_eee_has_cap(params))
  2648. REG_WR(bp, params->shmem2_base +
  2649. offsetof(struct shmem2_region,
  2650. eee_status[params->port]), eee_status);
  2651. }
  2652. static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
  2653. struct link_params *params,
  2654. struct link_vars *vars)
  2655. {
  2656. struct bnx2x *bp = params->bp;
  2657. u16 adv = 0, lp = 0;
  2658. u32 lp_adv = 0;
  2659. u8 neg = 0;
  2660. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
  2661. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
  2662. if (lp & 0x2) {
  2663. lp_adv |= SHMEM_EEE_100M_ADV;
  2664. if (adv & 0x2) {
  2665. if (vars->line_speed == SPEED_100)
  2666. neg = 1;
  2667. DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
  2668. }
  2669. }
  2670. if (lp & 0x14) {
  2671. lp_adv |= SHMEM_EEE_1G_ADV;
  2672. if (adv & 0x14) {
  2673. if (vars->line_speed == SPEED_1000)
  2674. neg = 1;
  2675. DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
  2676. }
  2677. }
  2678. if (lp & 0x68) {
  2679. lp_adv |= SHMEM_EEE_10G_ADV;
  2680. if (adv & 0x68) {
  2681. if (vars->line_speed == SPEED_10000)
  2682. neg = 1;
  2683. DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
  2684. }
  2685. }
  2686. vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
  2687. vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
  2688. if (neg) {
  2689. DP(NETIF_MSG_LINK, "EEE is active\n");
  2690. vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
  2691. }
  2692. }
  2693. /******************************************************************/
  2694. /* BSC access functions from E3 */
  2695. /******************************************************************/
  2696. static void bnx2x_bsc_module_sel(struct link_params *params)
  2697. {
  2698. int idx;
  2699. u32 board_cfg, sfp_ctrl;
  2700. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2701. struct bnx2x *bp = params->bp;
  2702. u8 port = params->port;
  2703. /* Read I2C output PINs */
  2704. board_cfg = REG_RD(bp, params->shmem_base +
  2705. offsetof(struct shmem_region,
  2706. dev_info.shared_hw_config.board));
  2707. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2708. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2709. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2710. /* Read I2C output value */
  2711. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2712. offsetof(struct shmem_region,
  2713. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2714. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2715. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2716. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2717. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2718. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2719. }
  2720. static int bnx2x_bsc_read(struct link_params *params,
  2721. struct bnx2x_phy *phy,
  2722. u8 sl_devid,
  2723. u16 sl_addr,
  2724. u8 lc_addr,
  2725. u8 xfer_cnt,
  2726. u32 *data_array)
  2727. {
  2728. u32 val, i;
  2729. int rc = 0;
  2730. struct bnx2x *bp = params->bp;
  2731. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2732. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2733. return -EINVAL;
  2734. }
  2735. if (xfer_cnt > 16) {
  2736. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2737. xfer_cnt);
  2738. return -EINVAL;
  2739. }
  2740. bnx2x_bsc_module_sel(params);
  2741. xfer_cnt = 16 - lc_addr;
  2742. /* Enable the engine */
  2743. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2744. val |= MCPR_IMC_COMMAND_ENABLE;
  2745. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2746. /* Program slave device ID */
  2747. val = (sl_devid << 16) | sl_addr;
  2748. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2749. /* Start xfer with 0 byte to update the address pointer ???*/
  2750. val = (MCPR_IMC_COMMAND_ENABLE) |
  2751. (MCPR_IMC_COMMAND_WRITE_OP <<
  2752. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2753. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2754. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2755. /* Poll for completion */
  2756. i = 0;
  2757. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2758. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2759. udelay(10);
  2760. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2761. if (i++ > 1000) {
  2762. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2763. i);
  2764. rc = -EFAULT;
  2765. break;
  2766. }
  2767. }
  2768. if (rc == -EFAULT)
  2769. return rc;
  2770. /* Start xfer with read op */
  2771. val = (MCPR_IMC_COMMAND_ENABLE) |
  2772. (MCPR_IMC_COMMAND_READ_OP <<
  2773. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2774. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2775. (xfer_cnt);
  2776. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2777. /* Poll for completion */
  2778. i = 0;
  2779. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2780. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2781. udelay(10);
  2782. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2783. if (i++ > 1000) {
  2784. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2785. rc = -EFAULT;
  2786. break;
  2787. }
  2788. }
  2789. if (rc == -EFAULT)
  2790. return rc;
  2791. for (i = (lc_addr >> 2); i < 4; i++) {
  2792. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2793. #ifdef __BIG_ENDIAN
  2794. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2795. ((data_array[i] & 0x0000ff00) << 8) |
  2796. ((data_array[i] & 0x00ff0000) >> 8) |
  2797. ((data_array[i] & 0xff000000) >> 24);
  2798. #endif
  2799. }
  2800. return rc;
  2801. }
  2802. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2803. u8 devad, u16 reg, u16 or_val)
  2804. {
  2805. u16 val;
  2806. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2807. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2808. }
  2809. static void bnx2x_cl45_read_and_write(struct bnx2x *bp,
  2810. struct bnx2x_phy *phy,
  2811. u8 devad, u16 reg, u16 and_val)
  2812. {
  2813. u16 val;
  2814. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2815. bnx2x_cl45_write(bp, phy, devad, reg, val & and_val);
  2816. }
  2817. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2818. u8 devad, u16 reg, u16 *ret_val)
  2819. {
  2820. u8 phy_index;
  2821. /* Probe for the phy according to the given phy_addr, and execute
  2822. * the read request on it
  2823. */
  2824. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2825. if (params->phy[phy_index].addr == phy_addr) {
  2826. return bnx2x_cl45_read(params->bp,
  2827. &params->phy[phy_index], devad,
  2828. reg, ret_val);
  2829. }
  2830. }
  2831. return -EINVAL;
  2832. }
  2833. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2834. u8 devad, u16 reg, u16 val)
  2835. {
  2836. u8 phy_index;
  2837. /* Probe for the phy according to the given phy_addr, and execute
  2838. * the write request on it
  2839. */
  2840. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2841. if (params->phy[phy_index].addr == phy_addr) {
  2842. return bnx2x_cl45_write(params->bp,
  2843. &params->phy[phy_index], devad,
  2844. reg, val);
  2845. }
  2846. }
  2847. return -EINVAL;
  2848. }
  2849. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2850. struct link_params *params)
  2851. {
  2852. u8 lane = 0;
  2853. struct bnx2x *bp = params->bp;
  2854. u32 path_swap, path_swap_ovr;
  2855. u8 path, port;
  2856. path = BP_PATH(bp);
  2857. port = params->port;
  2858. if (bnx2x_is_4_port_mode(bp)) {
  2859. u32 port_swap, port_swap_ovr;
  2860. /* Figure out path swap value */
  2861. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2862. if (path_swap_ovr & 0x1)
  2863. path_swap = (path_swap_ovr & 0x2);
  2864. else
  2865. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2866. if (path_swap)
  2867. path = path ^ 1;
  2868. /* Figure out port swap value */
  2869. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2870. if (port_swap_ovr & 0x1)
  2871. port_swap = (port_swap_ovr & 0x2);
  2872. else
  2873. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2874. if (port_swap)
  2875. port = port ^ 1;
  2876. lane = (port<<1) + path;
  2877. } else { /* Two port mode - no port swap */
  2878. /* Figure out path swap value */
  2879. path_swap_ovr =
  2880. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2881. if (path_swap_ovr & 0x1) {
  2882. path_swap = (path_swap_ovr & 0x2);
  2883. } else {
  2884. path_swap =
  2885. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  2886. }
  2887. if (path_swap)
  2888. path = path ^ 1;
  2889. lane = path << 1 ;
  2890. }
  2891. return lane;
  2892. }
  2893. static void bnx2x_set_aer_mmd(struct link_params *params,
  2894. struct bnx2x_phy *phy)
  2895. {
  2896. u32 ser_lane;
  2897. u16 offset, aer_val;
  2898. struct bnx2x *bp = params->bp;
  2899. ser_lane = ((params->lane_config &
  2900. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2901. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2902. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  2903. (phy->addr + ser_lane) : 0;
  2904. if (USES_WARPCORE(bp)) {
  2905. aer_val = bnx2x_get_warpcore_lane(phy, params);
  2906. /* In Dual-lane mode, two lanes are joined together,
  2907. * so in order to configure them, the AER broadcast method is
  2908. * used here.
  2909. * 0x200 is the broadcast address for lanes 0,1
  2910. * 0x201 is the broadcast address for lanes 2,3
  2911. */
  2912. if (phy->flags & FLAGS_WC_DUAL_MODE)
  2913. aer_val = (aer_val >> 1) | 0x200;
  2914. } else if (CHIP_IS_E2(bp))
  2915. aer_val = 0x3800 + offset - 1;
  2916. else
  2917. aer_val = 0x3800 + offset;
  2918. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  2919. MDIO_AER_BLOCK_AER_REG, aer_val);
  2920. }
  2921. /******************************************************************/
  2922. /* Internal phy section */
  2923. /******************************************************************/
  2924. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  2925. {
  2926. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2927. /* Set Clause 22 */
  2928. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  2929. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  2930. udelay(500);
  2931. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  2932. udelay(500);
  2933. /* Set Clause 45 */
  2934. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  2935. }
  2936. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  2937. {
  2938. u32 val;
  2939. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  2940. val = SERDES_RESET_BITS << (port*16);
  2941. /* Reset and unreset the SerDes/XGXS */
  2942. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2943. udelay(500);
  2944. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2945. bnx2x_set_serdes_access(bp, port);
  2946. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  2947. DEFAULT_PHY_DEV_ADDR);
  2948. }
  2949. static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
  2950. struct link_params *params,
  2951. u32 action)
  2952. {
  2953. struct bnx2x *bp = params->bp;
  2954. switch (action) {
  2955. case PHY_INIT:
  2956. /* Set correct devad */
  2957. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
  2958. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
  2959. phy->def_md_devad);
  2960. break;
  2961. }
  2962. }
  2963. static void bnx2x_xgxs_deassert(struct link_params *params)
  2964. {
  2965. struct bnx2x *bp = params->bp;
  2966. u8 port;
  2967. u32 val;
  2968. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  2969. port = params->port;
  2970. val = XGXS_RESET_BITS << (port*16);
  2971. /* Reset and unreset the SerDes/XGXS */
  2972. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2973. udelay(500);
  2974. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2975. bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
  2976. PHY_INIT);
  2977. }
  2978. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  2979. struct link_params *params, u16 *ieee_fc)
  2980. {
  2981. struct bnx2x *bp = params->bp;
  2982. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  2983. /* Resolve pause mode and advertisement Please refer to Table
  2984. * 28B-3 of the 802.3ab-1999 spec
  2985. */
  2986. switch (phy->req_flow_ctrl) {
  2987. case BNX2X_FLOW_CTRL_AUTO:
  2988. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  2989. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2990. else
  2991. *ieee_fc |=
  2992. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2993. break;
  2994. case BNX2X_FLOW_CTRL_TX:
  2995. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2996. break;
  2997. case BNX2X_FLOW_CTRL_RX:
  2998. case BNX2X_FLOW_CTRL_BOTH:
  2999. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3000. break;
  3001. case BNX2X_FLOW_CTRL_NONE:
  3002. default:
  3003. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  3004. break;
  3005. }
  3006. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  3007. }
  3008. static void set_phy_vars(struct link_params *params,
  3009. struct link_vars *vars)
  3010. {
  3011. struct bnx2x *bp = params->bp;
  3012. u8 actual_phy_idx, phy_index, link_cfg_idx;
  3013. u8 phy_config_swapped = params->multi_phy_config &
  3014. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3015. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3016. phy_index++) {
  3017. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3018. actual_phy_idx = phy_index;
  3019. if (phy_config_swapped) {
  3020. if (phy_index == EXT_PHY1)
  3021. actual_phy_idx = EXT_PHY2;
  3022. else if (phy_index == EXT_PHY2)
  3023. actual_phy_idx = EXT_PHY1;
  3024. }
  3025. params->phy[actual_phy_idx].req_flow_ctrl =
  3026. params->req_flow_ctrl[link_cfg_idx];
  3027. params->phy[actual_phy_idx].req_line_speed =
  3028. params->req_line_speed[link_cfg_idx];
  3029. params->phy[actual_phy_idx].speed_cap_mask =
  3030. params->speed_cap_mask[link_cfg_idx];
  3031. params->phy[actual_phy_idx].req_duplex =
  3032. params->req_duplex[link_cfg_idx];
  3033. if (params->req_line_speed[link_cfg_idx] ==
  3034. SPEED_AUTO_NEG)
  3035. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3036. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3037. " speed_cap_mask %x\n",
  3038. params->phy[actual_phy_idx].req_flow_ctrl,
  3039. params->phy[actual_phy_idx].req_line_speed,
  3040. params->phy[actual_phy_idx].speed_cap_mask);
  3041. }
  3042. }
  3043. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3044. struct bnx2x_phy *phy,
  3045. struct link_vars *vars)
  3046. {
  3047. u16 val;
  3048. struct bnx2x *bp = params->bp;
  3049. /* Read modify write pause advertizing */
  3050. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3051. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3052. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3053. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3054. if ((vars->ieee_fc &
  3055. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3056. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3057. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3058. }
  3059. if ((vars->ieee_fc &
  3060. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3061. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3062. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3063. }
  3064. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3065. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3066. }
  3067. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3068. { /* LD LP */
  3069. switch (pause_result) { /* ASYM P ASYM P */
  3070. case 0xb: /* 1 0 1 1 */
  3071. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3072. break;
  3073. case 0xe: /* 1 1 1 0 */
  3074. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3075. break;
  3076. case 0x5: /* 0 1 0 1 */
  3077. case 0x7: /* 0 1 1 1 */
  3078. case 0xd: /* 1 1 0 1 */
  3079. case 0xf: /* 1 1 1 1 */
  3080. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3081. break;
  3082. default:
  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(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. static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
  3172. struct link_params *params,
  3173. struct link_vars *vars)
  3174. {
  3175. struct bnx2x *bp = params->bp;
  3176. u16 i;
  3177. static struct bnx2x_reg_set reg_set[] = {
  3178. /* Step 1 - Program the TX/RX alignment markers */
  3179. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
  3180. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
  3181. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
  3182. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
  3183. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
  3184. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
  3185. /* Step 2 - Configure the NP registers */
  3186. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
  3187. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
  3188. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
  3189. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
  3190. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
  3191. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
  3192. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
  3193. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
  3194. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
  3195. };
  3196. DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n");
  3197. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3198. MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
  3199. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  3200. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3201. reg_set[i].val);
  3202. /* Start KR2 work-around timer which handles BCM8073 link-parner */
  3203. vars->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
  3204. bnx2x_update_link_attr(params, vars->link_attr_sync);
  3205. }
  3206. static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
  3207. struct link_params *params)
  3208. {
  3209. struct bnx2x *bp = params->bp;
  3210. DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
  3211. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3212. MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
  3213. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3214. MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
  3215. }
  3216. static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
  3217. struct link_params *params)
  3218. {
  3219. /* Restart autoneg on the leading lane only */
  3220. struct bnx2x *bp = params->bp;
  3221. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3222. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3223. MDIO_AER_BLOCK_AER_REG, lane);
  3224. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3225. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3226. /* Restore AER */
  3227. bnx2x_set_aer_mmd(params, phy);
  3228. }
  3229. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3230. struct link_params *params,
  3231. struct link_vars *vars) {
  3232. u16 lane, i, cl72_ctrl, an_adv = 0;
  3233. u16 ucode_ver;
  3234. struct bnx2x *bp = params->bp;
  3235. static struct bnx2x_reg_set reg_set[] = {
  3236. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3237. {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
  3238. {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
  3239. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
  3240. /* Disable Autoneg: re-enable it after adv is done. */
  3241. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
  3242. {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
  3243. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
  3244. };
  3245. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3246. /* Set to default registers that may be overriden by 10G force */
  3247. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  3248. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3249. reg_set[i].val);
  3250. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3251. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
  3252. cl72_ctrl &= 0x08ff;
  3253. cl72_ctrl |= 0x3800;
  3254. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3255. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
  3256. /* Check adding advertisement for 1G KX */
  3257. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3258. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3259. (vars->line_speed == SPEED_1000)) {
  3260. u32 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
  3261. an_adv |= (1<<5);
  3262. /* Enable CL37 1G Parallel Detect */
  3263. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
  3264. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3265. }
  3266. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3267. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3268. (vars->line_speed == SPEED_10000)) {
  3269. /* Check adding advertisement for 10G KR */
  3270. an_adv |= (1<<7);
  3271. /* Enable 10G Parallel Detect */
  3272. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3273. MDIO_AER_BLOCK_AER_REG, 0);
  3274. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3275. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3276. bnx2x_set_aer_mmd(params, phy);
  3277. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3278. }
  3279. /* Set Transmit PMD settings */
  3280. lane = bnx2x_get_warpcore_lane(phy, params);
  3281. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3282. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3283. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3284. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3285. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3286. /* Configure the next lane if dual mode */
  3287. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3288. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3289. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
  3290. ((0x02 <<
  3291. MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3292. (0x06 <<
  3293. MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3294. (0x09 <<
  3295. MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3296. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3297. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3298. 0x03f0);
  3299. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3300. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3301. 0x03f0);
  3302. /* Advertised speeds */
  3303. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3304. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
  3305. /* Advertised and set FEC (Forward Error Correction) */
  3306. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3307. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3308. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3309. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3310. /* Enable CL37 BAM */
  3311. if (REG_RD(bp, params->shmem_base +
  3312. offsetof(struct shmem_region, dev_info.
  3313. port_hw_config[params->port].default_cfg)) &
  3314. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3315. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3316. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
  3317. 1);
  3318. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3319. }
  3320. /* Advertise pause */
  3321. bnx2x_ext_phy_set_pause(params, phy, vars);
  3322. /* Set KR Autoneg Work-Around flag for Warpcore version older than D108
  3323. */
  3324. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3325. MDIO_WC_REG_UC_INFO_B1_VERSION, &ucode_ver);
  3326. if (ucode_ver < 0xd108) {
  3327. DP(NETIF_MSG_LINK, "Enable AN KR work-around. WC ver:0x%x\n",
  3328. ucode_ver);
  3329. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3330. }
  3331. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3332. MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
  3333. /* Over 1G - AN local device user page 1 */
  3334. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3335. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3336. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  3337. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
  3338. (phy->req_line_speed == SPEED_20000)) {
  3339. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3340. MDIO_AER_BLOCK_AER_REG, lane);
  3341. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3342. MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
  3343. (1<<11));
  3344. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3345. MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
  3346. bnx2x_set_aer_mmd(params, phy);
  3347. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  3348. }
  3349. /* Enable Autoneg: only on the main lane */
  3350. bnx2x_warpcore_restart_AN_KR(phy, params);
  3351. }
  3352. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3353. struct link_params *params,
  3354. struct link_vars *vars)
  3355. {
  3356. struct bnx2x *bp = params->bp;
  3357. u16 val16, i, lane;
  3358. static struct bnx2x_reg_set reg_set[] = {
  3359. /* Disable Autoneg */
  3360. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3361. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3362. 0x3f00},
  3363. {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
  3364. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
  3365. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
  3366. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
  3367. /* Leave cl72 training enable, needed for KR */
  3368. {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
  3369. };
  3370. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  3371. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3372. reg_set[i].val);
  3373. lane = bnx2x_get_warpcore_lane(phy, params);
  3374. /* Global registers */
  3375. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3376. MDIO_AER_BLOCK_AER_REG, 0);
  3377. /* Disable CL36 PCS Tx */
  3378. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3379. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  3380. val16 &= ~(0x0011 << lane);
  3381. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3382. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  3383. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3384. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  3385. val16 |= (0x0303 << (lane << 1));
  3386. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3387. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  3388. /* Restore AER */
  3389. bnx2x_set_aer_mmd(params, phy);
  3390. /* Set speed via PMA/PMD register */
  3391. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3392. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3393. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3394. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3395. /* Enable encoded forced speed */
  3396. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3397. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3398. /* Turn TX scramble payload only the 64/66 scrambler */
  3399. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3400. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3401. /* Turn RX scramble payload only the 64/66 scrambler */
  3402. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3403. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3404. /* Set and clear loopback to cause a reset to 64/66 decoder */
  3405. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3406. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3407. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3408. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3409. }
  3410. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3411. struct link_params *params,
  3412. u8 is_xfi)
  3413. {
  3414. struct bnx2x *bp = params->bp;
  3415. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3416. /* Hold rxSeqStart */
  3417. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3418. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
  3419. /* Hold tx_fifo_reset */
  3420. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3421. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
  3422. /* Disable CL73 AN */
  3423. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3424. /* Disable 100FX Enable and Auto-Detect */
  3425. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3426. MDIO_WC_REG_FX100_CTRL1, &val);
  3427. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3428. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3429. /* Disable 100FX Idle detect */
  3430. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3431. MDIO_WC_REG_FX100_CTRL3, 0x0080);
  3432. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3433. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3434. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3435. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3436. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3437. /* Turn off auto-detect & fiber mode */
  3438. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3439. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3440. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3441. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3442. (val & 0xFFEE));
  3443. /* Set filter_force_link, disable_false_link and parallel_detect */
  3444. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3445. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3446. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3447. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3448. ((val | 0x0006) & 0xFFFE));
  3449. /* Set XFI / SFI */
  3450. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3451. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3452. misc1_val &= ~(0x1f);
  3453. if (is_xfi) {
  3454. misc1_val |= 0x5;
  3455. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3456. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3457. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3458. tx_driver_val =
  3459. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3460. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3461. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3462. } else {
  3463. misc1_val |= 0x9;
  3464. tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3465. (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3466. (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3467. tx_driver_val =
  3468. ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3469. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3470. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3471. }
  3472. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3473. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3474. /* Set Transmit PMD settings */
  3475. lane = bnx2x_get_warpcore_lane(phy, params);
  3476. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3477. MDIO_WC_REG_TX_FIR_TAP,
  3478. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3479. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3480. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3481. tx_driver_val);
  3482. /* Enable fiber mode, enable and invert sig_det */
  3483. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3484. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
  3485. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3486. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3487. MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
  3488. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3489. /* 10G XFI Full Duplex */
  3490. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3491. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3492. /* Release tx_fifo_reset */
  3493. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3494. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3495. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3496. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3497. /* Release rxSeqStart */
  3498. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3499. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3500. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3501. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3502. }
  3503. static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
  3504. struct link_params *params)
  3505. {
  3506. u16 val;
  3507. struct bnx2x *bp = params->bp;
  3508. /* Set global registers, so set AER lane to 0 */
  3509. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3510. MDIO_AER_BLOCK_AER_REG, 0);
  3511. /* Disable sequencer */
  3512. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3513. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
  3514. bnx2x_set_aer_mmd(params, phy);
  3515. bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
  3516. MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
  3517. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3518. MDIO_AN_REG_CTRL, 0);
  3519. /* Turn off CL73 */
  3520. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3521. MDIO_WC_REG_CL73_USERB0_CTRL, &val);
  3522. val &= ~(1<<5);
  3523. val |= (1<<6);
  3524. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3525. MDIO_WC_REG_CL73_USERB0_CTRL, val);
  3526. /* Set 20G KR2 force speed */
  3527. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3528. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
  3529. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3530. MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
  3531. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3532. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
  3533. val &= ~(3<<14);
  3534. val |= (1<<15);
  3535. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3536. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
  3537. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3538. MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
  3539. /* Enable sequencer (over lane 0) */
  3540. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3541. MDIO_AER_BLOCK_AER_REG, 0);
  3542. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3543. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
  3544. bnx2x_set_aer_mmd(params, phy);
  3545. }
  3546. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3547. struct bnx2x_phy *phy,
  3548. u16 lane)
  3549. {
  3550. /* Rx0 anaRxControl1G */
  3551. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3552. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3553. /* Rx2 anaRxControl1G */
  3554. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3555. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3556. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3557. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3558. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3559. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3560. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3561. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3562. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3563. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3564. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3565. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3566. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3567. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3568. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3569. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3570. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3571. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3572. /* Serdes Digital Misc1 */
  3573. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3574. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3575. /* Serdes Digital4 Misc3 */
  3576. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3577. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3578. /* Set Transmit PMD settings */
  3579. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3580. MDIO_WC_REG_TX_FIR_TAP,
  3581. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3582. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3583. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3584. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3585. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3586. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3587. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3588. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3589. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3590. }
  3591. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3592. struct link_params *params,
  3593. u8 fiber_mode,
  3594. u8 always_autoneg)
  3595. {
  3596. struct bnx2x *bp = params->bp;
  3597. u16 val16, digctrl_kx1, digctrl_kx2;
  3598. /* Clear XFI clock comp in non-10G single lane mode. */
  3599. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3600. MDIO_WC_REG_RX66_CONTROL, &val16);
  3601. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3602. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3603. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3604. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3605. /* SGMII Autoneg */
  3606. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3607. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3608. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3609. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3610. val16 | 0x1000);
  3611. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3612. } else {
  3613. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3614. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3615. val16 &= 0xcebf;
  3616. switch (phy->req_line_speed) {
  3617. case SPEED_10:
  3618. break;
  3619. case SPEED_100:
  3620. val16 |= 0x2000;
  3621. break;
  3622. case SPEED_1000:
  3623. val16 |= 0x0040;
  3624. break;
  3625. default:
  3626. DP(NETIF_MSG_LINK,
  3627. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3628. return;
  3629. }
  3630. if (phy->req_duplex == DUPLEX_FULL)
  3631. val16 |= 0x0100;
  3632. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3633. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3634. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3635. phy->req_line_speed);
  3636. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3637. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3638. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3639. }
  3640. /* SGMII Slave mode and disable signal detect */
  3641. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3642. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3643. if (fiber_mode)
  3644. digctrl_kx1 = 1;
  3645. else
  3646. digctrl_kx1 &= 0xff4a;
  3647. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3648. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3649. digctrl_kx1);
  3650. /* Turn off parallel detect */
  3651. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3652. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3653. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3654. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3655. (digctrl_kx2 & ~(1<<2)));
  3656. /* Re-enable parallel detect */
  3657. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3658. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3659. (digctrl_kx2 | (1<<2)));
  3660. /* Enable autodet */
  3661. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3662. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3663. (digctrl_kx1 | 0x10));
  3664. }
  3665. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3666. struct bnx2x_phy *phy,
  3667. u8 reset)
  3668. {
  3669. u16 val;
  3670. /* Take lane out of reset after configuration is finished */
  3671. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3672. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3673. if (reset)
  3674. val |= 0xC000;
  3675. else
  3676. val &= 0x3FFF;
  3677. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3678. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3679. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3680. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3681. }
  3682. /* Clear SFI/XFI link settings registers */
  3683. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3684. struct link_params *params,
  3685. u16 lane)
  3686. {
  3687. struct bnx2x *bp = params->bp;
  3688. u16 i;
  3689. static struct bnx2x_reg_set wc_regs[] = {
  3690. {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
  3691. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
  3692. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
  3693. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
  3694. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3695. 0x0195},
  3696. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3697. 0x0007},
  3698. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3699. 0x0002},
  3700. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
  3701. {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
  3702. {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
  3703. {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
  3704. };
  3705. /* Set XFI clock comp as default. */
  3706. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3707. MDIO_WC_REG_RX66_CONTROL, (3<<13));
  3708. for (i = 0; i < sizeof(wc_regs)/sizeof(struct bnx2x_reg_set); i++)
  3709. bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
  3710. wc_regs[i].val);
  3711. lane = bnx2x_get_warpcore_lane(phy, params);
  3712. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3713. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3714. }
  3715. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3716. u32 chip_id,
  3717. u32 shmem_base, u8 port,
  3718. u8 *gpio_num, u8 *gpio_port)
  3719. {
  3720. u32 cfg_pin;
  3721. *gpio_num = 0;
  3722. *gpio_port = 0;
  3723. if (CHIP_IS_E3(bp)) {
  3724. cfg_pin = (REG_RD(bp, shmem_base +
  3725. offsetof(struct shmem_region,
  3726. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3727. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3728. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3729. /* Should not happen. This function called upon interrupt
  3730. * triggered by GPIO ( since EPIO can only generate interrupts
  3731. * to MCP).
  3732. * So if this function was called and none of the GPIOs was set,
  3733. * it means the shit hit the fan.
  3734. */
  3735. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3736. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3737. DP(NETIF_MSG_LINK,
  3738. "ERROR: Invalid cfg pin %x for module detect indication\n",
  3739. cfg_pin);
  3740. return -EINVAL;
  3741. }
  3742. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3743. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3744. } else {
  3745. *gpio_num = MISC_REGISTERS_GPIO_3;
  3746. *gpio_port = port;
  3747. }
  3748. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3749. return 0;
  3750. }
  3751. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3752. struct link_params *params)
  3753. {
  3754. struct bnx2x *bp = params->bp;
  3755. u8 gpio_num, gpio_port;
  3756. u32 gpio_val;
  3757. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3758. params->shmem_base, params->port,
  3759. &gpio_num, &gpio_port) != 0)
  3760. return 0;
  3761. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3762. /* Call the handling function in case module is detected */
  3763. if (gpio_val == 0)
  3764. return 1;
  3765. else
  3766. return 0;
  3767. }
  3768. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3769. struct link_params *params)
  3770. {
  3771. u16 gp2_status_reg0, lane;
  3772. struct bnx2x *bp = params->bp;
  3773. lane = bnx2x_get_warpcore_lane(phy, params);
  3774. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3775. &gp2_status_reg0);
  3776. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3777. }
  3778. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3779. struct link_params *params,
  3780. struct link_vars *vars)
  3781. {
  3782. struct bnx2x *bp = params->bp;
  3783. u32 serdes_net_if;
  3784. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3785. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3786. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3787. if (!vars->turn_to_run_wc_rt)
  3788. return;
  3789. /* Return if there is no link partner */
  3790. if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
  3791. DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
  3792. return;
  3793. }
  3794. if (vars->rx_tx_asic_rst) {
  3795. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3796. offsetof(struct shmem_region, dev_info.
  3797. port_hw_config[params->port].default_cfg)) &
  3798. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3799. switch (serdes_net_if) {
  3800. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3801. /* Do we get link yet? */
  3802. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3803. &gp_status1);
  3804. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3805. /*10G KR*/
  3806. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3807. DP(NETIF_MSG_LINK,
  3808. "gp_status1 0x%x\n", gp_status1);
  3809. if (lnkup_kr || lnkup) {
  3810. vars->rx_tx_asic_rst = 0;
  3811. DP(NETIF_MSG_LINK,
  3812. "link up, rx_tx_asic_rst 0x%x\n",
  3813. vars->rx_tx_asic_rst);
  3814. } else {
  3815. /* Reset the lane to see if link comes up.*/
  3816. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3817. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3818. /* Restart Autoneg */
  3819. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3820. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3821. vars->rx_tx_asic_rst--;
  3822. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3823. vars->rx_tx_asic_rst);
  3824. }
  3825. break;
  3826. default:
  3827. break;
  3828. }
  3829. } /*params->rx_tx_asic_rst*/
  3830. }
  3831. static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
  3832. struct link_params *params)
  3833. {
  3834. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3835. struct bnx2x *bp = params->bp;
  3836. bnx2x_warpcore_clear_regs(phy, params, lane);
  3837. if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
  3838. SPEED_10000) &&
  3839. (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
  3840. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3841. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3842. } else {
  3843. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3844. bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
  3845. }
  3846. }
  3847. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3848. struct bnx2x_phy *phy,
  3849. u8 tx_en)
  3850. {
  3851. struct bnx2x *bp = params->bp;
  3852. u32 cfg_pin;
  3853. u8 port = params->port;
  3854. cfg_pin = REG_RD(bp, params->shmem_base +
  3855. offsetof(struct shmem_region,
  3856. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3857. PORT_HW_CFG_E3_TX_LASER_MASK;
  3858. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3859. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3860. /* For 20G, the expected pin to be used is 3 pins after the current */
  3861. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3862. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3863. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3864. }
  3865. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3866. struct link_params *params,
  3867. struct link_vars *vars)
  3868. {
  3869. struct bnx2x *bp = params->bp;
  3870. u32 serdes_net_if;
  3871. u8 fiber_mode;
  3872. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3873. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3874. offsetof(struct shmem_region, dev_info.
  3875. port_hw_config[params->port].default_cfg)) &
  3876. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3877. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3878. "serdes_net_if = 0x%x\n",
  3879. vars->line_speed, serdes_net_if);
  3880. bnx2x_set_aer_mmd(params, phy);
  3881. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3882. vars->phy_flags |= PHY_XGXS_FLAG;
  3883. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3884. (phy->req_line_speed &&
  3885. ((phy->req_line_speed == SPEED_100) ||
  3886. (phy->req_line_speed == SPEED_10)))) {
  3887. vars->phy_flags |= PHY_SGMII_FLAG;
  3888. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3889. bnx2x_warpcore_clear_regs(phy, params, lane);
  3890. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3891. } else {
  3892. switch (serdes_net_if) {
  3893. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3894. /* Enable KR Auto Neg */
  3895. if (params->loopback_mode != LOOPBACK_EXT)
  3896. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3897. else {
  3898. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3899. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3900. }
  3901. break;
  3902. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3903. bnx2x_warpcore_clear_regs(phy, params, lane);
  3904. if (vars->line_speed == SPEED_10000) {
  3905. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3906. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3907. } else {
  3908. if (SINGLE_MEDIA_DIRECT(params)) {
  3909. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3910. fiber_mode = 1;
  3911. } else {
  3912. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3913. fiber_mode = 0;
  3914. }
  3915. bnx2x_warpcore_set_sgmii_speed(phy,
  3916. params,
  3917. fiber_mode,
  3918. 0);
  3919. }
  3920. break;
  3921. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3922. /* Issue Module detection if module is plugged, or
  3923. * enabled transmitter to avoid current leakage in case
  3924. * no module is connected
  3925. */
  3926. if (bnx2x_is_sfp_module_plugged(phy, params))
  3927. bnx2x_sfp_module_detection(phy, params);
  3928. else
  3929. bnx2x_sfp_e3_set_transmitter(params, phy, 1);
  3930. bnx2x_warpcore_config_sfi(phy, params);
  3931. break;
  3932. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3933. if (vars->line_speed != SPEED_20000) {
  3934. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3935. return;
  3936. }
  3937. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3938. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3939. /* Issue Module detection */
  3940. bnx2x_sfp_module_detection(phy, params);
  3941. break;
  3942. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3943. if (!params->loopback_mode) {
  3944. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3945. } else {
  3946. DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
  3947. bnx2x_warpcore_set_20G_force_KR2(phy, params);
  3948. }
  3949. break;
  3950. default:
  3951. DP(NETIF_MSG_LINK,
  3952. "Unsupported Serdes Net Interface 0x%x\n",
  3953. serdes_net_if);
  3954. return;
  3955. }
  3956. }
  3957. /* Take lane out of reset after configuration is finished */
  3958. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3959. DP(NETIF_MSG_LINK, "Exit config init\n");
  3960. }
  3961. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3962. struct link_params *params)
  3963. {
  3964. struct bnx2x *bp = params->bp;
  3965. u16 val16, lane;
  3966. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3967. bnx2x_set_mdio_emac_per_phy(bp, params);
  3968. bnx2x_set_aer_mmd(params, phy);
  3969. /* Global register */
  3970. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3971. /* Clear loopback settings (if any) */
  3972. /* 10G & 20G */
  3973. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3974. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3975. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3976. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3977. 0xBFFF);
  3978. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3979. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3980. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3981. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  3982. /* Update those 1-copy registers */
  3983. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3984. MDIO_AER_BLOCK_AER_REG, 0);
  3985. /* Enable 1G MDIO (1-copy) */
  3986. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3987. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3988. &val16);
  3989. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3990. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3991. val16 & ~0x10);
  3992. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3993. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3994. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3995. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3996. val16 & 0xff00);
  3997. lane = bnx2x_get_warpcore_lane(phy, params);
  3998. /* Disable CL36 PCS Tx */
  3999. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4000. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  4001. val16 |= (0x11 << lane);
  4002. if (phy->flags & FLAGS_WC_DUAL_MODE)
  4003. val16 |= (0x22 << lane);
  4004. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4005. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  4006. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4007. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  4008. val16 &= ~(0x0303 << (lane << 1));
  4009. val16 |= (0x0101 << (lane << 1));
  4010. if (phy->flags & FLAGS_WC_DUAL_MODE) {
  4011. val16 &= ~(0x0c0c << (lane << 1));
  4012. val16 |= (0x0404 << (lane << 1));
  4013. }
  4014. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4015. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  4016. /* Restore AER */
  4017. bnx2x_set_aer_mmd(params, phy);
  4018. }
  4019. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  4020. struct link_params *params)
  4021. {
  4022. struct bnx2x *bp = params->bp;
  4023. u16 val16;
  4024. u32 lane;
  4025. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  4026. params->loopback_mode, phy->req_line_speed);
  4027. if (phy->req_line_speed < SPEED_10000 ||
  4028. phy->supported & SUPPORTED_20000baseKR2_Full) {
  4029. /* 10/100/1000/20G-KR2 */
  4030. /* Update those 1-copy registers */
  4031. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  4032. MDIO_AER_BLOCK_AER_REG, 0);
  4033. /* Enable 1G MDIO (1-copy) */
  4034. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4035. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4036. 0x10);
  4037. /* Set 1G loopback based on lane (1-copy) */
  4038. lane = bnx2x_get_warpcore_lane(phy, params);
  4039. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4040. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  4041. val16 |= (1<<lane);
  4042. if (phy->flags & FLAGS_WC_DUAL_MODE)
  4043. val16 |= (2<<lane);
  4044. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4045. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  4046. val16);
  4047. /* Switch back to 4-copy registers */
  4048. bnx2x_set_aer_mmd(params, phy);
  4049. } else {
  4050. /* 10G / 20G-DXGXS */
  4051. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4052. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  4053. 0x4000);
  4054. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4055. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
  4056. }
  4057. }
  4058. static void bnx2x_sync_link(struct link_params *params,
  4059. struct link_vars *vars)
  4060. {
  4061. struct bnx2x *bp = params->bp;
  4062. u8 link_10g_plus;
  4063. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4064. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  4065. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  4066. if (vars->link_up) {
  4067. DP(NETIF_MSG_LINK, "phy link up\n");
  4068. vars->phy_link_up = 1;
  4069. vars->duplex = DUPLEX_FULL;
  4070. switch (vars->link_status &
  4071. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  4072. case LINK_10THD:
  4073. vars->duplex = DUPLEX_HALF;
  4074. /* Fall thru */
  4075. case LINK_10TFD:
  4076. vars->line_speed = SPEED_10;
  4077. break;
  4078. case LINK_100TXHD:
  4079. vars->duplex = DUPLEX_HALF;
  4080. /* Fall thru */
  4081. case LINK_100T4:
  4082. case LINK_100TXFD:
  4083. vars->line_speed = SPEED_100;
  4084. break;
  4085. case LINK_1000THD:
  4086. vars->duplex = DUPLEX_HALF;
  4087. /* Fall thru */
  4088. case LINK_1000TFD:
  4089. vars->line_speed = SPEED_1000;
  4090. break;
  4091. case LINK_2500THD:
  4092. vars->duplex = DUPLEX_HALF;
  4093. /* Fall thru */
  4094. case LINK_2500TFD:
  4095. vars->line_speed = SPEED_2500;
  4096. break;
  4097. case LINK_10GTFD:
  4098. vars->line_speed = SPEED_10000;
  4099. break;
  4100. case LINK_20GTFD:
  4101. vars->line_speed = SPEED_20000;
  4102. break;
  4103. default:
  4104. break;
  4105. }
  4106. vars->flow_ctrl = 0;
  4107. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4108. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4109. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4110. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4111. if (!vars->flow_ctrl)
  4112. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4113. if (vars->line_speed &&
  4114. ((vars->line_speed == SPEED_10) ||
  4115. (vars->line_speed == SPEED_100))) {
  4116. vars->phy_flags |= PHY_SGMII_FLAG;
  4117. } else {
  4118. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4119. }
  4120. if (vars->line_speed &&
  4121. USES_WARPCORE(bp) &&
  4122. (vars->line_speed == SPEED_1000))
  4123. vars->phy_flags |= PHY_SGMII_FLAG;
  4124. /* Anything 10 and over uses the bmac */
  4125. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4126. if (link_10g_plus) {
  4127. if (USES_WARPCORE(bp))
  4128. vars->mac_type = MAC_TYPE_XMAC;
  4129. else
  4130. vars->mac_type = MAC_TYPE_BMAC;
  4131. } else {
  4132. if (USES_WARPCORE(bp))
  4133. vars->mac_type = MAC_TYPE_UMAC;
  4134. else
  4135. vars->mac_type = MAC_TYPE_EMAC;
  4136. }
  4137. } else { /* Link down */
  4138. DP(NETIF_MSG_LINK, "phy link down\n");
  4139. vars->phy_link_up = 0;
  4140. vars->line_speed = 0;
  4141. vars->duplex = DUPLEX_FULL;
  4142. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4143. /* Indicate no mac active */
  4144. vars->mac_type = MAC_TYPE_NONE;
  4145. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4146. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4147. if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
  4148. vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
  4149. }
  4150. }
  4151. void bnx2x_link_status_update(struct link_params *params,
  4152. struct link_vars *vars)
  4153. {
  4154. struct bnx2x *bp = params->bp;
  4155. u8 port = params->port;
  4156. u32 sync_offset, media_types;
  4157. /* Update PHY configuration */
  4158. set_phy_vars(params, vars);
  4159. vars->link_status = REG_RD(bp, params->shmem_base +
  4160. offsetof(struct shmem_region,
  4161. port_mb[port].link_status));
  4162. if (bnx2x_eee_has_cap(params))
  4163. vars->eee_status = REG_RD(bp, params->shmem2_base +
  4164. offsetof(struct shmem2_region,
  4165. eee_status[params->port]));
  4166. vars->phy_flags = PHY_XGXS_FLAG;
  4167. bnx2x_sync_link(params, vars);
  4168. /* Sync media type */
  4169. sync_offset = params->shmem_base +
  4170. offsetof(struct shmem_region,
  4171. dev_info.port_hw_config[port].media_type);
  4172. media_types = REG_RD(bp, sync_offset);
  4173. params->phy[INT_PHY].media_type =
  4174. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4175. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4176. params->phy[EXT_PHY1].media_type =
  4177. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4178. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4179. params->phy[EXT_PHY2].media_type =
  4180. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4181. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4182. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4183. /* Sync AEU offset */
  4184. sync_offset = params->shmem_base +
  4185. offsetof(struct shmem_region,
  4186. dev_info.port_hw_config[port].aeu_int_mask);
  4187. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4188. /* Sync PFC status */
  4189. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4190. params->feature_config_flags |=
  4191. FEATURE_CONFIG_PFC_ENABLED;
  4192. else
  4193. params->feature_config_flags &=
  4194. ~FEATURE_CONFIG_PFC_ENABLED;
  4195. if (SHMEM2_HAS(bp, link_attr_sync))
  4196. vars->link_attr_sync = SHMEM2_RD(bp,
  4197. link_attr_sync[params->port]);
  4198. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4199. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4200. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4201. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4202. }
  4203. static void bnx2x_set_master_ln(struct link_params *params,
  4204. struct bnx2x_phy *phy)
  4205. {
  4206. struct bnx2x *bp = params->bp;
  4207. u16 new_master_ln, ser_lane;
  4208. ser_lane = ((params->lane_config &
  4209. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4210. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4211. /* Set the master_ln for AN */
  4212. CL22_RD_OVER_CL45(bp, phy,
  4213. MDIO_REG_BANK_XGXS_BLOCK2,
  4214. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4215. &new_master_ln);
  4216. CL22_WR_OVER_CL45(bp, phy,
  4217. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4218. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4219. (new_master_ln | ser_lane));
  4220. }
  4221. static int bnx2x_reset_unicore(struct link_params *params,
  4222. struct bnx2x_phy *phy,
  4223. u8 set_serdes)
  4224. {
  4225. struct bnx2x *bp = params->bp;
  4226. u16 mii_control;
  4227. u16 i;
  4228. CL22_RD_OVER_CL45(bp, phy,
  4229. MDIO_REG_BANK_COMBO_IEEE0,
  4230. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4231. /* Reset the unicore */
  4232. CL22_WR_OVER_CL45(bp, phy,
  4233. MDIO_REG_BANK_COMBO_IEEE0,
  4234. MDIO_COMBO_IEEE0_MII_CONTROL,
  4235. (mii_control |
  4236. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4237. if (set_serdes)
  4238. bnx2x_set_serdes_access(bp, params->port);
  4239. /* Wait for the reset to self clear */
  4240. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4241. udelay(5);
  4242. /* The reset erased the previous bank value */
  4243. CL22_RD_OVER_CL45(bp, phy,
  4244. MDIO_REG_BANK_COMBO_IEEE0,
  4245. MDIO_COMBO_IEEE0_MII_CONTROL,
  4246. &mii_control);
  4247. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4248. udelay(5);
  4249. return 0;
  4250. }
  4251. }
  4252. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4253. " Port %d\n",
  4254. params->port);
  4255. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4256. return -EINVAL;
  4257. }
  4258. static void bnx2x_set_swap_lanes(struct link_params *params,
  4259. struct bnx2x_phy *phy)
  4260. {
  4261. struct bnx2x *bp = params->bp;
  4262. /* Each two bits represents a lane number:
  4263. * No swap is 0123 => 0x1b no need to enable the swap
  4264. */
  4265. u16 rx_lane_swap, tx_lane_swap;
  4266. rx_lane_swap = ((params->lane_config &
  4267. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4268. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4269. tx_lane_swap = ((params->lane_config &
  4270. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4271. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4272. if (rx_lane_swap != 0x1b) {
  4273. CL22_WR_OVER_CL45(bp, phy,
  4274. MDIO_REG_BANK_XGXS_BLOCK2,
  4275. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4276. (rx_lane_swap |
  4277. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4278. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4279. } else {
  4280. CL22_WR_OVER_CL45(bp, phy,
  4281. MDIO_REG_BANK_XGXS_BLOCK2,
  4282. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4283. }
  4284. if (tx_lane_swap != 0x1b) {
  4285. CL22_WR_OVER_CL45(bp, phy,
  4286. MDIO_REG_BANK_XGXS_BLOCK2,
  4287. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4288. (tx_lane_swap |
  4289. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4290. } else {
  4291. CL22_WR_OVER_CL45(bp, phy,
  4292. MDIO_REG_BANK_XGXS_BLOCK2,
  4293. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4294. }
  4295. }
  4296. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4297. struct link_params *params)
  4298. {
  4299. struct bnx2x *bp = params->bp;
  4300. u16 control2;
  4301. CL22_RD_OVER_CL45(bp, phy,
  4302. MDIO_REG_BANK_SERDES_DIGITAL,
  4303. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4304. &control2);
  4305. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4306. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4307. else
  4308. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4309. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4310. phy->speed_cap_mask, control2);
  4311. CL22_WR_OVER_CL45(bp, phy,
  4312. MDIO_REG_BANK_SERDES_DIGITAL,
  4313. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4314. control2);
  4315. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4316. (phy->speed_cap_mask &
  4317. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4318. DP(NETIF_MSG_LINK, "XGXS\n");
  4319. CL22_WR_OVER_CL45(bp, phy,
  4320. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4321. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4322. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4323. CL22_RD_OVER_CL45(bp, phy,
  4324. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4325. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4326. &control2);
  4327. control2 |=
  4328. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4329. CL22_WR_OVER_CL45(bp, phy,
  4330. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4331. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4332. control2);
  4333. /* Disable parallel detection of HiG */
  4334. CL22_WR_OVER_CL45(bp, phy,
  4335. MDIO_REG_BANK_XGXS_BLOCK2,
  4336. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4337. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4338. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4339. }
  4340. }
  4341. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4342. struct link_params *params,
  4343. struct link_vars *vars,
  4344. u8 enable_cl73)
  4345. {
  4346. struct bnx2x *bp = params->bp;
  4347. u16 reg_val;
  4348. /* CL37 Autoneg */
  4349. CL22_RD_OVER_CL45(bp, phy,
  4350. MDIO_REG_BANK_COMBO_IEEE0,
  4351. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4352. /* CL37 Autoneg Enabled */
  4353. if (vars->line_speed == SPEED_AUTO_NEG)
  4354. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4355. else /* CL37 Autoneg Disabled */
  4356. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4357. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4358. CL22_WR_OVER_CL45(bp, phy,
  4359. MDIO_REG_BANK_COMBO_IEEE0,
  4360. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4361. /* Enable/Disable Autodetection */
  4362. CL22_RD_OVER_CL45(bp, phy,
  4363. MDIO_REG_BANK_SERDES_DIGITAL,
  4364. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4365. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4366. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4367. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4368. if (vars->line_speed == SPEED_AUTO_NEG)
  4369. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4370. else
  4371. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4372. CL22_WR_OVER_CL45(bp, phy,
  4373. MDIO_REG_BANK_SERDES_DIGITAL,
  4374. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4375. /* Enable TetonII and BAM autoneg */
  4376. CL22_RD_OVER_CL45(bp, phy,
  4377. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4378. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4379. &reg_val);
  4380. if (vars->line_speed == SPEED_AUTO_NEG) {
  4381. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4382. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4383. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4384. } else {
  4385. /* TetonII and BAM Autoneg Disabled */
  4386. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4387. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4388. }
  4389. CL22_WR_OVER_CL45(bp, phy,
  4390. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4391. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4392. reg_val);
  4393. if (enable_cl73) {
  4394. /* Enable Cl73 FSM status bits */
  4395. CL22_WR_OVER_CL45(bp, phy,
  4396. MDIO_REG_BANK_CL73_USERB0,
  4397. MDIO_CL73_USERB0_CL73_UCTRL,
  4398. 0xe);
  4399. /* Enable BAM Station Manager*/
  4400. CL22_WR_OVER_CL45(bp, phy,
  4401. MDIO_REG_BANK_CL73_USERB0,
  4402. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4403. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4404. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4405. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4406. /* Advertise CL73 link speeds */
  4407. CL22_RD_OVER_CL45(bp, phy,
  4408. MDIO_REG_BANK_CL73_IEEEB1,
  4409. MDIO_CL73_IEEEB1_AN_ADV2,
  4410. &reg_val);
  4411. if (phy->speed_cap_mask &
  4412. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4413. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4414. if (phy->speed_cap_mask &
  4415. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4416. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4417. CL22_WR_OVER_CL45(bp, phy,
  4418. MDIO_REG_BANK_CL73_IEEEB1,
  4419. MDIO_CL73_IEEEB1_AN_ADV2,
  4420. reg_val);
  4421. /* CL73 Autoneg Enabled */
  4422. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4423. } else /* CL73 Autoneg Disabled */
  4424. reg_val = 0;
  4425. CL22_WR_OVER_CL45(bp, phy,
  4426. MDIO_REG_BANK_CL73_IEEEB0,
  4427. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4428. }
  4429. /* Program SerDes, forced speed */
  4430. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4431. struct link_params *params,
  4432. struct link_vars *vars)
  4433. {
  4434. struct bnx2x *bp = params->bp;
  4435. u16 reg_val;
  4436. /* Program duplex, disable autoneg and sgmii*/
  4437. CL22_RD_OVER_CL45(bp, phy,
  4438. MDIO_REG_BANK_COMBO_IEEE0,
  4439. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4440. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4441. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4442. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4443. if (phy->req_duplex == DUPLEX_FULL)
  4444. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4445. CL22_WR_OVER_CL45(bp, phy,
  4446. MDIO_REG_BANK_COMBO_IEEE0,
  4447. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4448. /* Program speed
  4449. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4450. */
  4451. CL22_RD_OVER_CL45(bp, phy,
  4452. MDIO_REG_BANK_SERDES_DIGITAL,
  4453. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4454. /* Clearing the speed value before setting the right speed */
  4455. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4456. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4457. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4458. if (!((vars->line_speed == SPEED_1000) ||
  4459. (vars->line_speed == SPEED_100) ||
  4460. (vars->line_speed == SPEED_10))) {
  4461. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4462. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4463. if (vars->line_speed == SPEED_10000)
  4464. reg_val |=
  4465. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4466. }
  4467. CL22_WR_OVER_CL45(bp, phy,
  4468. MDIO_REG_BANK_SERDES_DIGITAL,
  4469. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4470. }
  4471. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4472. struct link_params *params)
  4473. {
  4474. struct bnx2x *bp = params->bp;
  4475. u16 val = 0;
  4476. /* Set extended capabilities */
  4477. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4478. val |= MDIO_OVER_1G_UP1_2_5G;
  4479. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4480. val |= MDIO_OVER_1G_UP1_10G;
  4481. CL22_WR_OVER_CL45(bp, phy,
  4482. MDIO_REG_BANK_OVER_1G,
  4483. MDIO_OVER_1G_UP1, val);
  4484. CL22_WR_OVER_CL45(bp, phy,
  4485. MDIO_REG_BANK_OVER_1G,
  4486. MDIO_OVER_1G_UP3, 0x400);
  4487. }
  4488. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4489. struct link_params *params,
  4490. u16 ieee_fc)
  4491. {
  4492. struct bnx2x *bp = params->bp;
  4493. u16 val;
  4494. /* For AN, we are always publishing full duplex */
  4495. CL22_WR_OVER_CL45(bp, phy,
  4496. MDIO_REG_BANK_COMBO_IEEE0,
  4497. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4498. CL22_RD_OVER_CL45(bp, phy,
  4499. MDIO_REG_BANK_CL73_IEEEB1,
  4500. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4501. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4502. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4503. CL22_WR_OVER_CL45(bp, phy,
  4504. MDIO_REG_BANK_CL73_IEEEB1,
  4505. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4506. }
  4507. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4508. struct link_params *params,
  4509. u8 enable_cl73)
  4510. {
  4511. struct bnx2x *bp = params->bp;
  4512. u16 mii_control;
  4513. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4514. /* Enable and restart BAM/CL37 aneg */
  4515. if (enable_cl73) {
  4516. CL22_RD_OVER_CL45(bp, phy,
  4517. MDIO_REG_BANK_CL73_IEEEB0,
  4518. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4519. &mii_control);
  4520. CL22_WR_OVER_CL45(bp, phy,
  4521. MDIO_REG_BANK_CL73_IEEEB0,
  4522. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4523. (mii_control |
  4524. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4525. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4526. } else {
  4527. CL22_RD_OVER_CL45(bp, phy,
  4528. MDIO_REG_BANK_COMBO_IEEE0,
  4529. MDIO_COMBO_IEEE0_MII_CONTROL,
  4530. &mii_control);
  4531. DP(NETIF_MSG_LINK,
  4532. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4533. mii_control);
  4534. CL22_WR_OVER_CL45(bp, phy,
  4535. MDIO_REG_BANK_COMBO_IEEE0,
  4536. MDIO_COMBO_IEEE0_MII_CONTROL,
  4537. (mii_control |
  4538. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4539. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4540. }
  4541. }
  4542. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4543. struct link_params *params,
  4544. struct link_vars *vars)
  4545. {
  4546. struct bnx2x *bp = params->bp;
  4547. u16 control1;
  4548. /* In SGMII mode, the unicore is always slave */
  4549. CL22_RD_OVER_CL45(bp, phy,
  4550. MDIO_REG_BANK_SERDES_DIGITAL,
  4551. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4552. &control1);
  4553. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4554. /* Set sgmii mode (and not fiber) */
  4555. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4556. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4557. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4558. CL22_WR_OVER_CL45(bp, phy,
  4559. MDIO_REG_BANK_SERDES_DIGITAL,
  4560. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4561. control1);
  4562. /* If forced speed */
  4563. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4564. /* Set speed, disable autoneg */
  4565. u16 mii_control;
  4566. CL22_RD_OVER_CL45(bp, phy,
  4567. MDIO_REG_BANK_COMBO_IEEE0,
  4568. MDIO_COMBO_IEEE0_MII_CONTROL,
  4569. &mii_control);
  4570. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4571. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4572. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4573. switch (vars->line_speed) {
  4574. case SPEED_100:
  4575. mii_control |=
  4576. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4577. break;
  4578. case SPEED_1000:
  4579. mii_control |=
  4580. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4581. break;
  4582. case SPEED_10:
  4583. /* There is nothing to set for 10M */
  4584. break;
  4585. default:
  4586. /* Invalid speed for SGMII */
  4587. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4588. vars->line_speed);
  4589. break;
  4590. }
  4591. /* Setting the full duplex */
  4592. if (phy->req_duplex == DUPLEX_FULL)
  4593. mii_control |=
  4594. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4595. CL22_WR_OVER_CL45(bp, phy,
  4596. MDIO_REG_BANK_COMBO_IEEE0,
  4597. MDIO_COMBO_IEEE0_MII_CONTROL,
  4598. mii_control);
  4599. } else { /* AN mode */
  4600. /* Enable and restart AN */
  4601. bnx2x_restart_autoneg(phy, params, 0);
  4602. }
  4603. }
  4604. /* Link management
  4605. */
  4606. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4607. struct link_params *params)
  4608. {
  4609. struct bnx2x *bp = params->bp;
  4610. u16 pd_10g, status2_1000x;
  4611. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4612. return 0;
  4613. CL22_RD_OVER_CL45(bp, phy,
  4614. MDIO_REG_BANK_SERDES_DIGITAL,
  4615. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4616. &status2_1000x);
  4617. CL22_RD_OVER_CL45(bp, phy,
  4618. MDIO_REG_BANK_SERDES_DIGITAL,
  4619. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4620. &status2_1000x);
  4621. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4622. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4623. params->port);
  4624. return 1;
  4625. }
  4626. CL22_RD_OVER_CL45(bp, phy,
  4627. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4628. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4629. &pd_10g);
  4630. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4631. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4632. params->port);
  4633. return 1;
  4634. }
  4635. return 0;
  4636. }
  4637. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4638. struct link_params *params,
  4639. struct link_vars *vars,
  4640. u32 gp_status)
  4641. {
  4642. u16 ld_pause; /* local driver */
  4643. u16 lp_pause; /* link partner */
  4644. u16 pause_result;
  4645. struct bnx2x *bp = params->bp;
  4646. if ((gp_status &
  4647. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4648. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4649. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4650. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4651. CL22_RD_OVER_CL45(bp, phy,
  4652. MDIO_REG_BANK_CL73_IEEEB1,
  4653. MDIO_CL73_IEEEB1_AN_ADV1,
  4654. &ld_pause);
  4655. CL22_RD_OVER_CL45(bp, phy,
  4656. MDIO_REG_BANK_CL73_IEEEB1,
  4657. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4658. &lp_pause);
  4659. pause_result = (ld_pause &
  4660. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4661. pause_result |= (lp_pause &
  4662. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4663. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4664. } else {
  4665. CL22_RD_OVER_CL45(bp, phy,
  4666. MDIO_REG_BANK_COMBO_IEEE0,
  4667. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4668. &ld_pause);
  4669. CL22_RD_OVER_CL45(bp, phy,
  4670. MDIO_REG_BANK_COMBO_IEEE0,
  4671. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4672. &lp_pause);
  4673. pause_result = (ld_pause &
  4674. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4675. pause_result |= (lp_pause &
  4676. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4677. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4678. }
  4679. bnx2x_pause_resolve(vars, pause_result);
  4680. }
  4681. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4682. struct link_params *params,
  4683. struct link_vars *vars,
  4684. u32 gp_status)
  4685. {
  4686. struct bnx2x *bp = params->bp;
  4687. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4688. /* Resolve from gp_status in case of AN complete and not sgmii */
  4689. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4690. /* Update the advertised flow-controled of LD/LP in AN */
  4691. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4692. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4693. /* But set the flow-control result as the requested one */
  4694. vars->flow_ctrl = phy->req_flow_ctrl;
  4695. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4696. vars->flow_ctrl = params->req_fc_auto_adv;
  4697. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4698. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4699. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4700. vars->flow_ctrl = params->req_fc_auto_adv;
  4701. return;
  4702. }
  4703. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4704. }
  4705. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4706. }
  4707. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4708. struct link_params *params)
  4709. {
  4710. struct bnx2x *bp = params->bp;
  4711. u16 rx_status, ustat_val, cl37_fsm_received;
  4712. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4713. /* Step 1: Make sure signal is detected */
  4714. CL22_RD_OVER_CL45(bp, phy,
  4715. MDIO_REG_BANK_RX0,
  4716. MDIO_RX0_RX_STATUS,
  4717. &rx_status);
  4718. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4719. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4720. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4721. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4722. CL22_WR_OVER_CL45(bp, phy,
  4723. MDIO_REG_BANK_CL73_IEEEB0,
  4724. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4725. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4726. return;
  4727. }
  4728. /* Step 2: Check CL73 state machine */
  4729. CL22_RD_OVER_CL45(bp, phy,
  4730. MDIO_REG_BANK_CL73_USERB0,
  4731. MDIO_CL73_USERB0_CL73_USTAT1,
  4732. &ustat_val);
  4733. if ((ustat_val &
  4734. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4735. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4736. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4737. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4738. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4739. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4740. return;
  4741. }
  4742. /* Step 3: Check CL37 Message Pages received to indicate LP
  4743. * supports only CL37
  4744. */
  4745. CL22_RD_OVER_CL45(bp, phy,
  4746. MDIO_REG_BANK_REMOTE_PHY,
  4747. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4748. &cl37_fsm_received);
  4749. if ((cl37_fsm_received &
  4750. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4751. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4752. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4753. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4754. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4755. "misc_rx_status(0x8330) = 0x%x\n",
  4756. cl37_fsm_received);
  4757. return;
  4758. }
  4759. /* The combined cl37/cl73 fsm state information indicating that
  4760. * we are connected to a device which does not support cl73, but
  4761. * does support cl37 BAM. In this case we disable cl73 and
  4762. * restart cl37 auto-neg
  4763. */
  4764. /* Disable CL73 */
  4765. CL22_WR_OVER_CL45(bp, phy,
  4766. MDIO_REG_BANK_CL73_IEEEB0,
  4767. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4768. 0);
  4769. /* Restart CL37 autoneg */
  4770. bnx2x_restart_autoneg(phy, params, 0);
  4771. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4772. }
  4773. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4774. struct link_params *params,
  4775. struct link_vars *vars,
  4776. u32 gp_status)
  4777. {
  4778. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4779. vars->link_status |=
  4780. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4781. if (bnx2x_direct_parallel_detect_used(phy, params))
  4782. vars->link_status |=
  4783. LINK_STATUS_PARALLEL_DETECTION_USED;
  4784. }
  4785. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4786. struct link_params *params,
  4787. struct link_vars *vars,
  4788. u16 is_link_up,
  4789. u16 speed_mask,
  4790. u16 is_duplex)
  4791. {
  4792. struct bnx2x *bp = params->bp;
  4793. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4794. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4795. if (is_link_up) {
  4796. DP(NETIF_MSG_LINK, "phy link up\n");
  4797. vars->phy_link_up = 1;
  4798. vars->link_status |= LINK_STATUS_LINK_UP;
  4799. switch (speed_mask) {
  4800. case GP_STATUS_10M:
  4801. vars->line_speed = SPEED_10;
  4802. if (is_duplex == DUPLEX_FULL)
  4803. vars->link_status |= LINK_10TFD;
  4804. else
  4805. vars->link_status |= LINK_10THD;
  4806. break;
  4807. case GP_STATUS_100M:
  4808. vars->line_speed = SPEED_100;
  4809. if (is_duplex == DUPLEX_FULL)
  4810. vars->link_status |= LINK_100TXFD;
  4811. else
  4812. vars->link_status |= LINK_100TXHD;
  4813. break;
  4814. case GP_STATUS_1G:
  4815. case GP_STATUS_1G_KX:
  4816. vars->line_speed = SPEED_1000;
  4817. if (is_duplex == DUPLEX_FULL)
  4818. vars->link_status |= LINK_1000TFD;
  4819. else
  4820. vars->link_status |= LINK_1000THD;
  4821. break;
  4822. case GP_STATUS_2_5G:
  4823. vars->line_speed = SPEED_2500;
  4824. if (is_duplex == DUPLEX_FULL)
  4825. vars->link_status |= LINK_2500TFD;
  4826. else
  4827. vars->link_status |= LINK_2500THD;
  4828. break;
  4829. case GP_STATUS_5G:
  4830. case GP_STATUS_6G:
  4831. DP(NETIF_MSG_LINK,
  4832. "link speed unsupported gp_status 0x%x\n",
  4833. speed_mask);
  4834. return -EINVAL;
  4835. case GP_STATUS_10G_KX4:
  4836. case GP_STATUS_10G_HIG:
  4837. case GP_STATUS_10G_CX4:
  4838. case GP_STATUS_10G_KR:
  4839. case GP_STATUS_10G_SFI:
  4840. case GP_STATUS_10G_XFI:
  4841. vars->line_speed = SPEED_10000;
  4842. vars->link_status |= LINK_10GTFD;
  4843. break;
  4844. case GP_STATUS_20G_DXGXS:
  4845. case GP_STATUS_20G_KR2:
  4846. vars->line_speed = SPEED_20000;
  4847. vars->link_status |= LINK_20GTFD;
  4848. break;
  4849. default:
  4850. DP(NETIF_MSG_LINK,
  4851. "link speed unsupported gp_status 0x%x\n",
  4852. speed_mask);
  4853. return -EINVAL;
  4854. }
  4855. } else { /* link_down */
  4856. DP(NETIF_MSG_LINK, "phy link down\n");
  4857. vars->phy_link_up = 0;
  4858. vars->duplex = DUPLEX_FULL;
  4859. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4860. vars->mac_type = MAC_TYPE_NONE;
  4861. }
  4862. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4863. vars->phy_link_up, vars->line_speed);
  4864. return 0;
  4865. }
  4866. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4867. struct link_params *params,
  4868. struct link_vars *vars)
  4869. {
  4870. struct bnx2x *bp = params->bp;
  4871. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4872. int rc = 0;
  4873. /* Read gp_status */
  4874. CL22_RD_OVER_CL45(bp, phy,
  4875. MDIO_REG_BANK_GP_STATUS,
  4876. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4877. &gp_status);
  4878. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4879. duplex = DUPLEX_FULL;
  4880. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4881. link_up = 1;
  4882. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4883. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4884. gp_status, link_up, speed_mask);
  4885. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4886. duplex);
  4887. if (rc == -EINVAL)
  4888. return rc;
  4889. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4890. if (SINGLE_MEDIA_DIRECT(params)) {
  4891. vars->duplex = duplex;
  4892. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4893. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4894. bnx2x_xgxs_an_resolve(phy, params, vars,
  4895. gp_status);
  4896. }
  4897. } else { /* Link_down */
  4898. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4899. SINGLE_MEDIA_DIRECT(params)) {
  4900. /* Check signal is detected */
  4901. bnx2x_check_fallback_to_cl37(phy, params);
  4902. }
  4903. }
  4904. /* Read LP advertised speeds*/
  4905. if (SINGLE_MEDIA_DIRECT(params) &&
  4906. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4907. u16 val;
  4908. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4909. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4910. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4911. vars->link_status |=
  4912. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4913. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4914. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4915. vars->link_status |=
  4916. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4917. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4918. MDIO_OVER_1G_LP_UP1, &val);
  4919. if (val & MDIO_OVER_1G_UP1_2_5G)
  4920. vars->link_status |=
  4921. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4922. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4923. vars->link_status |=
  4924. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4925. }
  4926. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4927. vars->duplex, vars->flow_ctrl, vars->link_status);
  4928. return rc;
  4929. }
  4930. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4931. struct link_params *params,
  4932. struct link_vars *vars)
  4933. {
  4934. struct bnx2x *bp = params->bp;
  4935. u8 lane;
  4936. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4937. int rc = 0;
  4938. lane = bnx2x_get_warpcore_lane(phy, params);
  4939. /* Read gp_status */
  4940. if ((params->loopback_mode) &&
  4941. (phy->flags & FLAGS_WC_DUAL_MODE)) {
  4942. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4943. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4944. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4945. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4946. link_up &= 0x1;
  4947. } else if ((phy->req_line_speed > SPEED_10000) &&
  4948. (phy->supported & SUPPORTED_20000baseMLD2_Full)) {
  4949. u16 temp_link_up;
  4950. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4951. 1, &temp_link_up);
  4952. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4953. 1, &link_up);
  4954. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4955. temp_link_up, link_up);
  4956. link_up &= (1<<2);
  4957. if (link_up)
  4958. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4959. } else {
  4960. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4961. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  4962. &gp_status1);
  4963. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4964. /* Check for either KR, 1G, or AN up. */
  4965. link_up = ((gp_status1 >> 8) |
  4966. (gp_status1 >> 12) |
  4967. (gp_status1)) &
  4968. (1 << lane);
  4969. if (phy->supported & SUPPORTED_20000baseKR2_Full) {
  4970. u16 an_link;
  4971. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4972. MDIO_AN_REG_STATUS, &an_link);
  4973. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4974. MDIO_AN_REG_STATUS, &an_link);
  4975. link_up |= (an_link & (1<<2));
  4976. }
  4977. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4978. u16 pd, gp_status4;
  4979. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4980. /* Check Autoneg complete */
  4981. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4982. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4983. &gp_status4);
  4984. if (gp_status4 & ((1<<12)<<lane))
  4985. vars->link_status |=
  4986. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4987. /* Check parallel detect used */
  4988. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4989. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4990. &pd);
  4991. if (pd & (1<<15))
  4992. vars->link_status |=
  4993. LINK_STATUS_PARALLEL_DETECTION_USED;
  4994. }
  4995. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4996. vars->duplex = duplex;
  4997. }
  4998. }
  4999. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  5000. SINGLE_MEDIA_DIRECT(params)) {
  5001. u16 val;
  5002. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  5003. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  5004. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  5005. vars->link_status |=
  5006. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  5007. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  5008. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  5009. vars->link_status |=
  5010. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  5011. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5012. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  5013. if (val & MDIO_OVER_1G_UP1_2_5G)
  5014. vars->link_status |=
  5015. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  5016. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  5017. vars->link_status |=
  5018. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  5019. }
  5020. if (lane < 2) {
  5021. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5022. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  5023. } else {
  5024. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5025. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  5026. }
  5027. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  5028. if ((lane & 1) == 0)
  5029. gp_speed <<= 8;
  5030. gp_speed &= 0x3f00;
  5031. link_up = !!link_up;
  5032. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  5033. duplex);
  5034. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  5035. vars->duplex, vars->flow_ctrl, vars->link_status);
  5036. return rc;
  5037. }
  5038. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  5039. {
  5040. struct bnx2x *bp = params->bp;
  5041. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5042. u16 lp_up2;
  5043. u16 tx_driver;
  5044. u16 bank;
  5045. /* Read precomp */
  5046. CL22_RD_OVER_CL45(bp, phy,
  5047. MDIO_REG_BANK_OVER_1G,
  5048. MDIO_OVER_1G_LP_UP2, &lp_up2);
  5049. /* Bits [10:7] at lp_up2, positioned at [15:12] */
  5050. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  5051. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  5052. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  5053. if (lp_up2 == 0)
  5054. return;
  5055. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  5056. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  5057. CL22_RD_OVER_CL45(bp, phy,
  5058. bank,
  5059. MDIO_TX0_TX_DRIVER, &tx_driver);
  5060. /* Replace tx_driver bits [15:12] */
  5061. if (lp_up2 !=
  5062. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  5063. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  5064. tx_driver |= lp_up2;
  5065. CL22_WR_OVER_CL45(bp, phy,
  5066. bank,
  5067. MDIO_TX0_TX_DRIVER, tx_driver);
  5068. }
  5069. }
  5070. }
  5071. static int bnx2x_emac_program(struct link_params *params,
  5072. struct link_vars *vars)
  5073. {
  5074. struct bnx2x *bp = params->bp;
  5075. u8 port = params->port;
  5076. u16 mode = 0;
  5077. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  5078. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  5079. EMAC_REG_EMAC_MODE,
  5080. (EMAC_MODE_25G_MODE |
  5081. EMAC_MODE_PORT_MII_10M |
  5082. EMAC_MODE_HALF_DUPLEX));
  5083. switch (vars->line_speed) {
  5084. case SPEED_10:
  5085. mode |= EMAC_MODE_PORT_MII_10M;
  5086. break;
  5087. case SPEED_100:
  5088. mode |= EMAC_MODE_PORT_MII;
  5089. break;
  5090. case SPEED_1000:
  5091. mode |= EMAC_MODE_PORT_GMII;
  5092. break;
  5093. case SPEED_2500:
  5094. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  5095. break;
  5096. default:
  5097. /* 10G not valid for EMAC */
  5098. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  5099. vars->line_speed);
  5100. return -EINVAL;
  5101. }
  5102. if (vars->duplex == DUPLEX_HALF)
  5103. mode |= EMAC_MODE_HALF_DUPLEX;
  5104. bnx2x_bits_en(bp,
  5105. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  5106. mode);
  5107. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  5108. return 0;
  5109. }
  5110. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  5111. struct link_params *params)
  5112. {
  5113. u16 bank, i = 0;
  5114. struct bnx2x *bp = params->bp;
  5115. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  5116. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  5117. CL22_WR_OVER_CL45(bp, phy,
  5118. bank,
  5119. MDIO_RX0_RX_EQ_BOOST,
  5120. phy->rx_preemphasis[i]);
  5121. }
  5122. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  5123. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  5124. CL22_WR_OVER_CL45(bp, phy,
  5125. bank,
  5126. MDIO_TX0_TX_DRIVER,
  5127. phy->tx_preemphasis[i]);
  5128. }
  5129. }
  5130. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  5131. struct link_params *params,
  5132. struct link_vars *vars)
  5133. {
  5134. struct bnx2x *bp = params->bp;
  5135. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  5136. (params->loopback_mode == LOOPBACK_XGXS));
  5137. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  5138. if (SINGLE_MEDIA_DIRECT(params) &&
  5139. (params->feature_config_flags &
  5140. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  5141. bnx2x_set_preemphasis(phy, params);
  5142. /* Forced speed requested? */
  5143. if (vars->line_speed != SPEED_AUTO_NEG ||
  5144. (SINGLE_MEDIA_DIRECT(params) &&
  5145. params->loopback_mode == LOOPBACK_EXT)) {
  5146. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  5147. /* Disable autoneg */
  5148. bnx2x_set_autoneg(phy, params, vars, 0);
  5149. /* Program speed and duplex */
  5150. bnx2x_program_serdes(phy, params, vars);
  5151. } else { /* AN_mode */
  5152. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  5153. /* AN enabled */
  5154. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5155. /* Program duplex & pause advertisement (for aneg) */
  5156. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5157. vars->ieee_fc);
  5158. /* Enable autoneg */
  5159. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5160. /* Enable and restart AN */
  5161. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5162. }
  5163. } else { /* SGMII mode */
  5164. DP(NETIF_MSG_LINK, "SGMII\n");
  5165. bnx2x_initialize_sgmii_process(phy, params, vars);
  5166. }
  5167. }
  5168. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5169. struct link_params *params,
  5170. struct link_vars *vars)
  5171. {
  5172. int rc;
  5173. vars->phy_flags |= PHY_XGXS_FLAG;
  5174. if ((phy->req_line_speed &&
  5175. ((phy->req_line_speed == SPEED_100) ||
  5176. (phy->req_line_speed == SPEED_10))) ||
  5177. (!phy->req_line_speed &&
  5178. (phy->speed_cap_mask >=
  5179. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5180. (phy->speed_cap_mask <
  5181. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5182. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5183. vars->phy_flags |= PHY_SGMII_FLAG;
  5184. else
  5185. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5186. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5187. bnx2x_set_aer_mmd(params, phy);
  5188. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5189. bnx2x_set_master_ln(params, phy);
  5190. rc = bnx2x_reset_unicore(params, phy, 0);
  5191. /* Reset the SerDes and wait for reset bit return low */
  5192. if (rc)
  5193. return rc;
  5194. bnx2x_set_aer_mmd(params, phy);
  5195. /* Setting the masterLn_def again after the reset */
  5196. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5197. bnx2x_set_master_ln(params, phy);
  5198. bnx2x_set_swap_lanes(params, phy);
  5199. }
  5200. return rc;
  5201. }
  5202. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5203. struct bnx2x_phy *phy,
  5204. struct link_params *params)
  5205. {
  5206. u16 cnt, ctrl;
  5207. /* Wait for soft reset to get cleared up to 1 sec */
  5208. for (cnt = 0; cnt < 1000; cnt++) {
  5209. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5210. bnx2x_cl22_read(bp, phy,
  5211. MDIO_PMA_REG_CTRL, &ctrl);
  5212. else
  5213. bnx2x_cl45_read(bp, phy,
  5214. MDIO_PMA_DEVAD,
  5215. MDIO_PMA_REG_CTRL, &ctrl);
  5216. if (!(ctrl & (1<<15)))
  5217. break;
  5218. usleep_range(1000, 2000);
  5219. }
  5220. if (cnt == 1000)
  5221. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5222. " Port %d\n",
  5223. params->port);
  5224. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5225. return cnt;
  5226. }
  5227. static void bnx2x_link_int_enable(struct link_params *params)
  5228. {
  5229. u8 port = params->port;
  5230. u32 mask;
  5231. struct bnx2x *bp = params->bp;
  5232. /* Setting the status to report on link up for either XGXS or SerDes */
  5233. if (CHIP_IS_E3(bp)) {
  5234. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5235. if (!(SINGLE_MEDIA_DIRECT(params)))
  5236. mask |= NIG_MASK_MI_INT;
  5237. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5238. mask = (NIG_MASK_XGXS0_LINK10G |
  5239. NIG_MASK_XGXS0_LINK_STATUS);
  5240. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5241. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5242. params->phy[INT_PHY].type !=
  5243. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5244. mask |= NIG_MASK_MI_INT;
  5245. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5246. }
  5247. } else { /* SerDes */
  5248. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5249. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5250. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5251. params->phy[INT_PHY].type !=
  5252. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5253. mask |= NIG_MASK_MI_INT;
  5254. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5255. }
  5256. }
  5257. bnx2x_bits_en(bp,
  5258. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5259. mask);
  5260. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5261. (params->switch_cfg == SWITCH_CFG_10G),
  5262. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5263. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5264. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5265. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5266. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5267. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5268. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5269. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5270. }
  5271. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5272. u8 exp_mi_int)
  5273. {
  5274. u32 latch_status = 0;
  5275. /* Disable the MI INT ( external phy int ) by writing 1 to the
  5276. * status register. Link down indication is high-active-signal,
  5277. * so in this case we need to write the status to clear the XOR
  5278. */
  5279. /* Read Latched signals */
  5280. latch_status = REG_RD(bp,
  5281. NIG_REG_LATCH_STATUS_0 + port*8);
  5282. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5283. /* Handle only those with latched-signal=up.*/
  5284. if (exp_mi_int)
  5285. bnx2x_bits_en(bp,
  5286. NIG_REG_STATUS_INTERRUPT_PORT0
  5287. + port*4,
  5288. NIG_STATUS_EMAC0_MI_INT);
  5289. else
  5290. bnx2x_bits_dis(bp,
  5291. NIG_REG_STATUS_INTERRUPT_PORT0
  5292. + port*4,
  5293. NIG_STATUS_EMAC0_MI_INT);
  5294. if (latch_status & 1) {
  5295. /* For all latched-signal=up : Re-Arm Latch signals */
  5296. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5297. (latch_status & 0xfffe) | (latch_status & 1));
  5298. }
  5299. /* For all latched-signal=up,Write original_signal to status */
  5300. }
  5301. static void bnx2x_link_int_ack(struct link_params *params,
  5302. struct link_vars *vars, u8 is_10g_plus)
  5303. {
  5304. struct bnx2x *bp = params->bp;
  5305. u8 port = params->port;
  5306. u32 mask;
  5307. /* First reset all status we assume only one line will be
  5308. * change at a time
  5309. */
  5310. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5311. (NIG_STATUS_XGXS0_LINK10G |
  5312. NIG_STATUS_XGXS0_LINK_STATUS |
  5313. NIG_STATUS_SERDES0_LINK_STATUS));
  5314. if (vars->phy_link_up) {
  5315. if (USES_WARPCORE(bp))
  5316. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5317. else {
  5318. if (is_10g_plus)
  5319. mask = NIG_STATUS_XGXS0_LINK10G;
  5320. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5321. /* Disable the link interrupt by writing 1 to
  5322. * the relevant lane in the status register
  5323. */
  5324. u32 ser_lane =
  5325. ((params->lane_config &
  5326. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5327. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5328. mask = ((1 << ser_lane) <<
  5329. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5330. } else
  5331. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5332. }
  5333. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5334. mask);
  5335. bnx2x_bits_en(bp,
  5336. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5337. mask);
  5338. }
  5339. }
  5340. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5341. {
  5342. u8 *str_ptr = str;
  5343. u32 mask = 0xf0000000;
  5344. u8 shift = 8*4;
  5345. u8 digit;
  5346. u8 remove_leading_zeros = 1;
  5347. if (*len < 10) {
  5348. /* Need more than 10chars for this format */
  5349. *str_ptr = '\0';
  5350. (*len)--;
  5351. return -EINVAL;
  5352. }
  5353. while (shift > 0) {
  5354. shift -= 4;
  5355. digit = ((num & mask) >> shift);
  5356. if (digit == 0 && remove_leading_zeros) {
  5357. mask = mask >> 4;
  5358. continue;
  5359. } else if (digit < 0xa)
  5360. *str_ptr = digit + '0';
  5361. else
  5362. *str_ptr = digit - 0xa + 'a';
  5363. remove_leading_zeros = 0;
  5364. str_ptr++;
  5365. (*len)--;
  5366. mask = mask >> 4;
  5367. if (shift == 4*4) {
  5368. *str_ptr = '.';
  5369. str_ptr++;
  5370. (*len)--;
  5371. remove_leading_zeros = 1;
  5372. }
  5373. }
  5374. return 0;
  5375. }
  5376. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5377. {
  5378. str[0] = '\0';
  5379. (*len)--;
  5380. return 0;
  5381. }
  5382. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
  5383. u16 len)
  5384. {
  5385. struct bnx2x *bp;
  5386. u32 spirom_ver = 0;
  5387. int status = 0;
  5388. u8 *ver_p = version;
  5389. u16 remain_len = len;
  5390. if (version == NULL || params == NULL)
  5391. return -EINVAL;
  5392. bp = params->bp;
  5393. /* Extract first external phy*/
  5394. version[0] = '\0';
  5395. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5396. if (params->phy[EXT_PHY1].format_fw_ver) {
  5397. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5398. ver_p,
  5399. &remain_len);
  5400. ver_p += (len - remain_len);
  5401. }
  5402. if ((params->num_phys == MAX_PHYS) &&
  5403. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5404. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5405. if (params->phy[EXT_PHY2].format_fw_ver) {
  5406. *ver_p = '/';
  5407. ver_p++;
  5408. remain_len--;
  5409. status |= params->phy[EXT_PHY2].format_fw_ver(
  5410. spirom_ver,
  5411. ver_p,
  5412. &remain_len);
  5413. ver_p = version + (len - remain_len);
  5414. }
  5415. }
  5416. *ver_p = '\0';
  5417. return status;
  5418. }
  5419. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5420. struct link_params *params)
  5421. {
  5422. u8 port = params->port;
  5423. struct bnx2x *bp = params->bp;
  5424. if (phy->req_line_speed != SPEED_1000) {
  5425. u32 md_devad = 0;
  5426. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5427. if (!CHIP_IS_E3(bp)) {
  5428. /* Change the uni_phy_addr in the nig */
  5429. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5430. port*0x18));
  5431. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5432. 0x5);
  5433. }
  5434. bnx2x_cl45_write(bp, phy,
  5435. 5,
  5436. (MDIO_REG_BANK_AER_BLOCK +
  5437. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5438. 0x2800);
  5439. bnx2x_cl45_write(bp, phy,
  5440. 5,
  5441. (MDIO_REG_BANK_CL73_IEEEB0 +
  5442. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5443. 0x6041);
  5444. msleep(200);
  5445. /* Set aer mmd back */
  5446. bnx2x_set_aer_mmd(params, phy);
  5447. if (!CHIP_IS_E3(bp)) {
  5448. /* And md_devad */
  5449. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5450. md_devad);
  5451. }
  5452. } else {
  5453. u16 mii_ctrl;
  5454. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5455. bnx2x_cl45_read(bp, phy, 5,
  5456. (MDIO_REG_BANK_COMBO_IEEE0 +
  5457. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5458. &mii_ctrl);
  5459. bnx2x_cl45_write(bp, phy, 5,
  5460. (MDIO_REG_BANK_COMBO_IEEE0 +
  5461. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5462. mii_ctrl |
  5463. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5464. }
  5465. }
  5466. int bnx2x_set_led(struct link_params *params,
  5467. struct link_vars *vars, u8 mode, u32 speed)
  5468. {
  5469. u8 port = params->port;
  5470. u16 hw_led_mode = params->hw_led_mode;
  5471. int rc = 0;
  5472. u8 phy_idx;
  5473. u32 tmp;
  5474. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5475. struct bnx2x *bp = params->bp;
  5476. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5477. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5478. speed, hw_led_mode);
  5479. /* In case */
  5480. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5481. if (params->phy[phy_idx].set_link_led) {
  5482. params->phy[phy_idx].set_link_led(
  5483. &params->phy[phy_idx], params, mode);
  5484. }
  5485. }
  5486. switch (mode) {
  5487. case LED_MODE_FRONT_PANEL_OFF:
  5488. case LED_MODE_OFF:
  5489. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5490. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5491. SHARED_HW_CFG_LED_MAC1);
  5492. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5493. if (params->phy[EXT_PHY1].type ==
  5494. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5495. tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
  5496. EMAC_LED_100MB_OVERRIDE |
  5497. EMAC_LED_10MB_OVERRIDE);
  5498. else
  5499. tmp |= EMAC_LED_OVERRIDE;
  5500. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
  5501. break;
  5502. case LED_MODE_OPER:
  5503. /* For all other phys, OPER mode is same as ON, so in case
  5504. * link is down, do nothing
  5505. */
  5506. if (!vars->link_up)
  5507. break;
  5508. case LED_MODE_ON:
  5509. if (((params->phy[EXT_PHY1].type ==
  5510. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5511. (params->phy[EXT_PHY1].type ==
  5512. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5513. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5514. /* This is a work-around for E2+8727 Configurations */
  5515. if (mode == LED_MODE_ON ||
  5516. speed == SPEED_10000){
  5517. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5518. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5519. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5520. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5521. (tmp | EMAC_LED_OVERRIDE));
  5522. /* Return here without enabling traffic
  5523. * LED blink and setting rate in ON mode.
  5524. * In oper mode, enabling LED blink
  5525. * and setting rate is needed.
  5526. */
  5527. if (mode == LED_MODE_ON)
  5528. return rc;
  5529. }
  5530. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5531. /* This is a work-around for HW issue found when link
  5532. * is up in CL73
  5533. */
  5534. if ((!CHIP_IS_E3(bp)) ||
  5535. (CHIP_IS_E3(bp) &&
  5536. mode == LED_MODE_ON))
  5537. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5538. if (CHIP_IS_E1x(bp) ||
  5539. CHIP_IS_E2(bp) ||
  5540. (mode == LED_MODE_ON))
  5541. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5542. else
  5543. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5544. hw_led_mode);
  5545. } else if ((params->phy[EXT_PHY1].type ==
  5546. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5547. (mode == LED_MODE_ON)) {
  5548. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5549. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5550. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
  5551. EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
  5552. /* Break here; otherwise, it'll disable the
  5553. * intended override.
  5554. */
  5555. break;
  5556. } else
  5557. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5558. hw_led_mode);
  5559. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5560. /* Set blinking rate to ~15.9Hz */
  5561. if (CHIP_IS_E3(bp))
  5562. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5563. LED_BLINK_RATE_VAL_E3);
  5564. else
  5565. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5566. LED_BLINK_RATE_VAL_E1X_E2);
  5567. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5568. port*4, 1);
  5569. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5570. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5571. (tmp & (~EMAC_LED_OVERRIDE)));
  5572. if (CHIP_IS_E1(bp) &&
  5573. ((speed == SPEED_2500) ||
  5574. (speed == SPEED_1000) ||
  5575. (speed == SPEED_100) ||
  5576. (speed == SPEED_10))) {
  5577. /* For speeds less than 10G LED scheme is different */
  5578. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5579. + port*4, 1);
  5580. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5581. port*4, 0);
  5582. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5583. port*4, 1);
  5584. }
  5585. break;
  5586. default:
  5587. rc = -EINVAL;
  5588. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5589. mode);
  5590. break;
  5591. }
  5592. return rc;
  5593. }
  5594. /* This function comes to reflect the actual link state read DIRECTLY from the
  5595. * HW
  5596. */
  5597. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5598. u8 is_serdes)
  5599. {
  5600. struct bnx2x *bp = params->bp;
  5601. u16 gp_status = 0, phy_index = 0;
  5602. u8 ext_phy_link_up = 0, serdes_phy_type;
  5603. struct link_vars temp_vars;
  5604. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5605. if (CHIP_IS_E3(bp)) {
  5606. u16 link_up;
  5607. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5608. > SPEED_10000) {
  5609. /* Check 20G link */
  5610. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5611. 1, &link_up);
  5612. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5613. 1, &link_up);
  5614. link_up &= (1<<2);
  5615. } else {
  5616. /* Check 10G link and below*/
  5617. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5618. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5619. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5620. &gp_status);
  5621. gp_status = ((gp_status >> 8) & 0xf) |
  5622. ((gp_status >> 12) & 0xf);
  5623. link_up = gp_status & (1 << lane);
  5624. }
  5625. if (!link_up)
  5626. return -ESRCH;
  5627. } else {
  5628. CL22_RD_OVER_CL45(bp, int_phy,
  5629. MDIO_REG_BANK_GP_STATUS,
  5630. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5631. &gp_status);
  5632. /* Link is up only if both local phy and external phy are up */
  5633. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5634. return -ESRCH;
  5635. }
  5636. /* In XGXS loopback mode, do not check external PHY */
  5637. if (params->loopback_mode == LOOPBACK_XGXS)
  5638. return 0;
  5639. switch (params->num_phys) {
  5640. case 1:
  5641. /* No external PHY */
  5642. return 0;
  5643. case 2:
  5644. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5645. &params->phy[EXT_PHY1],
  5646. params, &temp_vars);
  5647. break;
  5648. case 3: /* Dual Media */
  5649. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5650. phy_index++) {
  5651. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5652. ETH_PHY_SFPP_10G_FIBER) ||
  5653. (params->phy[phy_index].media_type ==
  5654. ETH_PHY_SFP_1G_FIBER) ||
  5655. (params->phy[phy_index].media_type ==
  5656. ETH_PHY_XFP_FIBER) ||
  5657. (params->phy[phy_index].media_type ==
  5658. ETH_PHY_DA_TWINAX));
  5659. if (is_serdes != serdes_phy_type)
  5660. continue;
  5661. if (params->phy[phy_index].read_status) {
  5662. ext_phy_link_up |=
  5663. params->phy[phy_index].read_status(
  5664. &params->phy[phy_index],
  5665. params, &temp_vars);
  5666. }
  5667. }
  5668. break;
  5669. }
  5670. if (ext_phy_link_up)
  5671. return 0;
  5672. return -ESRCH;
  5673. }
  5674. static int bnx2x_link_initialize(struct link_params *params,
  5675. struct link_vars *vars)
  5676. {
  5677. int rc = 0;
  5678. u8 phy_index, non_ext_phy;
  5679. struct bnx2x *bp = params->bp;
  5680. /* In case of external phy existence, the line speed would be the
  5681. * line speed linked up by the external phy. In case it is direct
  5682. * only, then the line_speed during initialization will be
  5683. * equal to the req_line_speed
  5684. */
  5685. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5686. /* Initialize the internal phy in case this is a direct board
  5687. * (no external phys), or this board has external phy which requires
  5688. * to first.
  5689. */
  5690. if (!USES_WARPCORE(bp))
  5691. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5692. /* init ext phy and enable link state int */
  5693. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5694. (params->loopback_mode == LOOPBACK_XGXS));
  5695. if (non_ext_phy ||
  5696. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5697. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5698. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5699. if (vars->line_speed == SPEED_AUTO_NEG &&
  5700. (CHIP_IS_E1x(bp) ||
  5701. CHIP_IS_E2(bp)))
  5702. bnx2x_set_parallel_detection(phy, params);
  5703. if (params->phy[INT_PHY].config_init)
  5704. params->phy[INT_PHY].config_init(phy,
  5705. params,
  5706. vars);
  5707. }
  5708. /* Init external phy*/
  5709. if (non_ext_phy) {
  5710. if (params->phy[INT_PHY].supported &
  5711. SUPPORTED_FIBRE)
  5712. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5713. } else {
  5714. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5715. phy_index++) {
  5716. /* No need to initialize second phy in case of first
  5717. * phy only selection. In case of second phy, we do
  5718. * need to initialize the first phy, since they are
  5719. * connected.
  5720. */
  5721. if (params->phy[phy_index].supported &
  5722. SUPPORTED_FIBRE)
  5723. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5724. if (phy_index == EXT_PHY2 &&
  5725. (bnx2x_phy_selection(params) ==
  5726. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5727. DP(NETIF_MSG_LINK,
  5728. "Not initializing second phy\n");
  5729. continue;
  5730. }
  5731. params->phy[phy_index].config_init(
  5732. &params->phy[phy_index],
  5733. params, vars);
  5734. }
  5735. }
  5736. /* Reset the interrupt indication after phy was initialized */
  5737. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5738. params->port*4,
  5739. (NIG_STATUS_XGXS0_LINK10G |
  5740. NIG_STATUS_XGXS0_LINK_STATUS |
  5741. NIG_STATUS_SERDES0_LINK_STATUS |
  5742. NIG_MASK_MI_INT));
  5743. return rc;
  5744. }
  5745. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5746. struct link_params *params)
  5747. {
  5748. /* Reset the SerDes/XGXS */
  5749. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5750. (0x1ff << (params->port*16)));
  5751. }
  5752. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5753. struct link_params *params)
  5754. {
  5755. struct bnx2x *bp = params->bp;
  5756. u8 gpio_port;
  5757. /* HW reset */
  5758. if (CHIP_IS_E2(bp))
  5759. gpio_port = BP_PATH(bp);
  5760. else
  5761. gpio_port = params->port;
  5762. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5763. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5764. gpio_port);
  5765. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5766. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5767. gpio_port);
  5768. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5769. }
  5770. static int bnx2x_update_link_down(struct link_params *params,
  5771. struct link_vars *vars)
  5772. {
  5773. struct bnx2x *bp = params->bp;
  5774. u8 port = params->port;
  5775. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5776. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5777. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5778. /* Indicate no mac active */
  5779. vars->mac_type = MAC_TYPE_NONE;
  5780. /* Update shared memory */
  5781. vars->link_status &= ~LINK_UPDATE_MASK;
  5782. vars->line_speed = 0;
  5783. bnx2x_update_mng(params, vars->link_status);
  5784. /* Activate nig drain */
  5785. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5786. /* Disable emac */
  5787. if (!CHIP_IS_E3(bp))
  5788. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5789. usleep_range(10000, 20000);
  5790. /* Reset BigMac/Xmac */
  5791. if (CHIP_IS_E1x(bp) ||
  5792. CHIP_IS_E2(bp))
  5793. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  5794. if (CHIP_IS_E3(bp)) {
  5795. /* Prevent LPI Generation by chip */
  5796. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
  5797. 0);
  5798. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
  5799. 0);
  5800. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  5801. SHMEM_EEE_ACTIVE_BIT);
  5802. bnx2x_update_mng_eee(params, vars->eee_status);
  5803. bnx2x_set_xmac_rxtx(params, 0);
  5804. bnx2x_set_umac_rxtx(params, 0);
  5805. }
  5806. return 0;
  5807. }
  5808. static int bnx2x_update_link_up(struct link_params *params,
  5809. struct link_vars *vars,
  5810. u8 link_10g)
  5811. {
  5812. struct bnx2x *bp = params->bp;
  5813. u8 phy_idx, port = params->port;
  5814. int rc = 0;
  5815. vars->link_status |= (LINK_STATUS_LINK_UP |
  5816. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5817. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5818. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5819. vars->link_status |=
  5820. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5821. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5822. vars->link_status |=
  5823. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5824. if (USES_WARPCORE(bp)) {
  5825. if (link_10g) {
  5826. if (bnx2x_xmac_enable(params, vars, 0) ==
  5827. -ESRCH) {
  5828. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5829. vars->link_up = 0;
  5830. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5831. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5832. }
  5833. } else
  5834. bnx2x_umac_enable(params, vars, 0);
  5835. bnx2x_set_led(params, vars,
  5836. LED_MODE_OPER, vars->line_speed);
  5837. if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
  5838. (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
  5839. DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
  5840. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
  5841. (params->port << 2), 1);
  5842. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
  5843. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
  5844. (params->port << 2), 0xfc20);
  5845. }
  5846. }
  5847. if ((CHIP_IS_E1x(bp) ||
  5848. CHIP_IS_E2(bp))) {
  5849. if (link_10g) {
  5850. if (bnx2x_bmac_enable(params, vars, 0, 1) ==
  5851. -ESRCH) {
  5852. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5853. vars->link_up = 0;
  5854. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5855. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5856. }
  5857. bnx2x_set_led(params, vars,
  5858. LED_MODE_OPER, SPEED_10000);
  5859. } else {
  5860. rc = bnx2x_emac_program(params, vars);
  5861. bnx2x_emac_enable(params, vars, 0);
  5862. /* AN complete? */
  5863. if ((vars->link_status &
  5864. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5865. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5866. SINGLE_MEDIA_DIRECT(params))
  5867. bnx2x_set_gmii_tx_driver(params);
  5868. }
  5869. }
  5870. /* PBF - link up */
  5871. if (CHIP_IS_E1x(bp))
  5872. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5873. vars->line_speed);
  5874. /* Disable drain */
  5875. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5876. /* Update shared memory */
  5877. bnx2x_update_mng(params, vars->link_status);
  5878. bnx2x_update_mng_eee(params, vars->eee_status);
  5879. /* Check remote fault */
  5880. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  5881. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  5882. bnx2x_check_half_open_conn(params, vars, 0);
  5883. break;
  5884. }
  5885. }
  5886. msleep(20);
  5887. return rc;
  5888. }
  5889. /* The bnx2x_link_update function should be called upon link
  5890. * interrupt.
  5891. * Link is considered up as follows:
  5892. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5893. * to be up
  5894. * - SINGLE_MEDIA - The link between the 577xx and the external
  5895. * phy (XGXS) need to up as well as the external link of the
  5896. * phy (PHY_EXT1)
  5897. * - DUAL_MEDIA - The link between the 577xx and the first
  5898. * external phy needs to be up, and at least one of the 2
  5899. * external phy link must be up.
  5900. */
  5901. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5902. {
  5903. struct bnx2x *bp = params->bp;
  5904. struct link_vars phy_vars[MAX_PHYS];
  5905. u8 port = params->port;
  5906. u8 link_10g_plus, phy_index;
  5907. u8 ext_phy_link_up = 0, cur_link_up;
  5908. int rc = 0;
  5909. u8 is_mi_int = 0;
  5910. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5911. u8 active_external_phy = INT_PHY;
  5912. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5913. vars->link_status &= ~LINK_UPDATE_MASK;
  5914. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5915. phy_index++) {
  5916. phy_vars[phy_index].flow_ctrl = 0;
  5917. phy_vars[phy_index].link_status = 0;
  5918. phy_vars[phy_index].line_speed = 0;
  5919. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5920. phy_vars[phy_index].phy_link_up = 0;
  5921. phy_vars[phy_index].link_up = 0;
  5922. phy_vars[phy_index].fault_detected = 0;
  5923. /* different consideration, since vars holds inner state */
  5924. phy_vars[phy_index].eee_status = vars->eee_status;
  5925. }
  5926. if (USES_WARPCORE(bp))
  5927. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5928. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5929. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5930. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5931. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5932. port*0x18) > 0);
  5933. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5934. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5935. is_mi_int,
  5936. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5937. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5938. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5939. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5940. /* Disable emac */
  5941. if (!CHIP_IS_E3(bp))
  5942. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5943. /* Step 1:
  5944. * Check external link change only for external phys, and apply
  5945. * priority selection between them in case the link on both phys
  5946. * is up. Note that instead of the common vars, a temporary
  5947. * vars argument is used since each phy may have different link/
  5948. * speed/duplex result
  5949. */
  5950. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5951. phy_index++) {
  5952. struct bnx2x_phy *phy = &params->phy[phy_index];
  5953. if (!phy->read_status)
  5954. continue;
  5955. /* Read link status and params of this ext phy */
  5956. cur_link_up = phy->read_status(phy, params,
  5957. &phy_vars[phy_index]);
  5958. if (cur_link_up) {
  5959. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5960. phy_index);
  5961. } else {
  5962. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5963. phy_index);
  5964. continue;
  5965. }
  5966. if (!ext_phy_link_up) {
  5967. ext_phy_link_up = 1;
  5968. active_external_phy = phy_index;
  5969. } else {
  5970. switch (bnx2x_phy_selection(params)) {
  5971. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5972. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5973. /* In this option, the first PHY makes sure to pass the
  5974. * traffic through itself only.
  5975. * Its not clear how to reset the link on the second phy
  5976. */
  5977. active_external_phy = EXT_PHY1;
  5978. break;
  5979. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5980. /* In this option, the first PHY makes sure to pass the
  5981. * traffic through the second PHY.
  5982. */
  5983. active_external_phy = EXT_PHY2;
  5984. break;
  5985. default:
  5986. /* Link indication on both PHYs with the following cases
  5987. * is invalid:
  5988. * - FIRST_PHY means that second phy wasn't initialized,
  5989. * hence its link is expected to be down
  5990. * - SECOND_PHY means that first phy should not be able
  5991. * to link up by itself (using configuration)
  5992. * - DEFAULT should be overriden during initialiazation
  5993. */
  5994. DP(NETIF_MSG_LINK, "Invalid link indication"
  5995. "mpc=0x%x. DISABLING LINK !!!\n",
  5996. params->multi_phy_config);
  5997. ext_phy_link_up = 0;
  5998. break;
  5999. }
  6000. }
  6001. }
  6002. prev_line_speed = vars->line_speed;
  6003. /* Step 2:
  6004. * Read the status of the internal phy. In case of
  6005. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  6006. * otherwise this is the link between the 577xx and the first
  6007. * external phy
  6008. */
  6009. if (params->phy[INT_PHY].read_status)
  6010. params->phy[INT_PHY].read_status(
  6011. &params->phy[INT_PHY],
  6012. params, vars);
  6013. /* The INT_PHY flow control reside in the vars. This include the
  6014. * case where the speed or flow control are not set to AUTO.
  6015. * Otherwise, the active external phy flow control result is set
  6016. * to the vars. The ext_phy_line_speed is needed to check if the
  6017. * speed is different between the internal phy and external phy.
  6018. * This case may be result of intermediate link speed change.
  6019. */
  6020. if (active_external_phy > INT_PHY) {
  6021. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  6022. /* Link speed is taken from the XGXS. AN and FC result from
  6023. * the external phy.
  6024. */
  6025. vars->link_status |= phy_vars[active_external_phy].link_status;
  6026. /* if active_external_phy is first PHY and link is up - disable
  6027. * disable TX on second external PHY
  6028. */
  6029. if (active_external_phy == EXT_PHY1) {
  6030. if (params->phy[EXT_PHY2].phy_specific_func) {
  6031. DP(NETIF_MSG_LINK,
  6032. "Disabling TX on EXT_PHY2\n");
  6033. params->phy[EXT_PHY2].phy_specific_func(
  6034. &params->phy[EXT_PHY2],
  6035. params, DISABLE_TX);
  6036. }
  6037. }
  6038. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  6039. vars->duplex = phy_vars[active_external_phy].duplex;
  6040. if (params->phy[active_external_phy].supported &
  6041. SUPPORTED_FIBRE)
  6042. vars->link_status |= LINK_STATUS_SERDES_LINK;
  6043. else
  6044. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  6045. vars->eee_status = phy_vars[active_external_phy].eee_status;
  6046. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  6047. active_external_phy);
  6048. }
  6049. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  6050. phy_index++) {
  6051. if (params->phy[phy_index].flags &
  6052. FLAGS_REARM_LATCH_SIGNAL) {
  6053. bnx2x_rearm_latch_signal(bp, port,
  6054. phy_index ==
  6055. active_external_phy);
  6056. break;
  6057. }
  6058. }
  6059. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  6060. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  6061. vars->link_status, ext_phy_line_speed);
  6062. /* Upon link speed change set the NIG into drain mode. Comes to
  6063. * deals with possible FIFO glitch due to clk change when speed
  6064. * is decreased without link down indicator
  6065. */
  6066. if (vars->phy_link_up) {
  6067. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  6068. (ext_phy_line_speed != vars->line_speed)) {
  6069. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  6070. " different than the external"
  6071. " link speed %d\n", vars->line_speed,
  6072. ext_phy_line_speed);
  6073. vars->phy_link_up = 0;
  6074. } else if (prev_line_speed != vars->line_speed) {
  6075. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  6076. 0);
  6077. usleep_range(1000, 2000);
  6078. }
  6079. }
  6080. /* Anything 10 and over uses the bmac */
  6081. link_10g_plus = (vars->line_speed >= SPEED_10000);
  6082. bnx2x_link_int_ack(params, vars, link_10g_plus);
  6083. /* In case external phy link is up, and internal link is down
  6084. * (not initialized yet probably after link initialization, it
  6085. * needs to be initialized.
  6086. * Note that after link down-up as result of cable plug, the xgxs
  6087. * link would probably become up again without the need
  6088. * initialize it
  6089. */
  6090. if (!(SINGLE_MEDIA_DIRECT(params))) {
  6091. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  6092. " init_preceding = %d\n", ext_phy_link_up,
  6093. vars->phy_link_up,
  6094. params->phy[EXT_PHY1].flags &
  6095. FLAGS_INIT_XGXS_FIRST);
  6096. if (!(params->phy[EXT_PHY1].flags &
  6097. FLAGS_INIT_XGXS_FIRST)
  6098. && ext_phy_link_up && !vars->phy_link_up) {
  6099. vars->line_speed = ext_phy_line_speed;
  6100. if (vars->line_speed < SPEED_1000)
  6101. vars->phy_flags |= PHY_SGMII_FLAG;
  6102. else
  6103. vars->phy_flags &= ~PHY_SGMII_FLAG;
  6104. if (params->phy[INT_PHY].config_init)
  6105. params->phy[INT_PHY].config_init(
  6106. &params->phy[INT_PHY], params,
  6107. vars);
  6108. }
  6109. }
  6110. /* Link is up only if both local phy and external phy (in case of
  6111. * non-direct board) are up and no fault detected on active PHY.
  6112. */
  6113. vars->link_up = (vars->phy_link_up &&
  6114. (ext_phy_link_up ||
  6115. SINGLE_MEDIA_DIRECT(params)) &&
  6116. (phy_vars[active_external_phy].fault_detected == 0));
  6117. /* Update the PFC configuration in case it was changed */
  6118. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  6119. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  6120. else
  6121. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  6122. if (vars->link_up)
  6123. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  6124. else
  6125. rc = bnx2x_update_link_down(params, vars);
  6126. /* Update MCP link status was changed */
  6127. if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
  6128. bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
  6129. return rc;
  6130. }
  6131. /*****************************************************************************/
  6132. /* External Phy section */
  6133. /*****************************************************************************/
  6134. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  6135. {
  6136. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6137. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  6138. usleep_range(1000, 2000);
  6139. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6140. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  6141. }
  6142. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  6143. u32 spirom_ver, u32 ver_addr)
  6144. {
  6145. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  6146. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  6147. if (ver_addr)
  6148. REG_WR(bp, ver_addr, spirom_ver);
  6149. }
  6150. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  6151. struct bnx2x_phy *phy,
  6152. u8 port)
  6153. {
  6154. u16 fw_ver1, fw_ver2;
  6155. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6156. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6157. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6158. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6159. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6160. phy->ver_addr);
  6161. }
  6162. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6163. struct bnx2x_phy *phy,
  6164. struct link_vars *vars)
  6165. {
  6166. u16 val;
  6167. bnx2x_cl45_read(bp, phy,
  6168. MDIO_AN_DEVAD,
  6169. MDIO_AN_REG_STATUS, &val);
  6170. bnx2x_cl45_read(bp, phy,
  6171. MDIO_AN_DEVAD,
  6172. MDIO_AN_REG_STATUS, &val);
  6173. if (val & (1<<5))
  6174. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6175. if ((val & (1<<0)) == 0)
  6176. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6177. }
  6178. /******************************************************************/
  6179. /* common BCM8073/BCM8727 PHY SECTION */
  6180. /******************************************************************/
  6181. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6182. struct link_params *params,
  6183. struct link_vars *vars)
  6184. {
  6185. struct bnx2x *bp = params->bp;
  6186. if (phy->req_line_speed == SPEED_10 ||
  6187. phy->req_line_speed == SPEED_100) {
  6188. vars->flow_ctrl = phy->req_flow_ctrl;
  6189. return;
  6190. }
  6191. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6192. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6193. u16 pause_result;
  6194. u16 ld_pause; /* local */
  6195. u16 lp_pause; /* link partner */
  6196. bnx2x_cl45_read(bp, phy,
  6197. MDIO_AN_DEVAD,
  6198. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6199. bnx2x_cl45_read(bp, phy,
  6200. MDIO_AN_DEVAD,
  6201. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6202. pause_result = (ld_pause &
  6203. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6204. pause_result |= (lp_pause &
  6205. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6206. bnx2x_pause_resolve(vars, pause_result);
  6207. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6208. pause_result);
  6209. }
  6210. }
  6211. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6212. struct bnx2x_phy *phy,
  6213. u8 port)
  6214. {
  6215. u32 count = 0;
  6216. u16 fw_ver1, fw_msgout;
  6217. int rc = 0;
  6218. /* Boot port from external ROM */
  6219. /* EDC grst */
  6220. bnx2x_cl45_write(bp, phy,
  6221. MDIO_PMA_DEVAD,
  6222. MDIO_PMA_REG_GEN_CTRL,
  6223. 0x0001);
  6224. /* Ucode reboot and rst */
  6225. bnx2x_cl45_write(bp, phy,
  6226. MDIO_PMA_DEVAD,
  6227. MDIO_PMA_REG_GEN_CTRL,
  6228. 0x008c);
  6229. bnx2x_cl45_write(bp, phy,
  6230. MDIO_PMA_DEVAD,
  6231. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6232. /* Reset internal microprocessor */
  6233. bnx2x_cl45_write(bp, phy,
  6234. MDIO_PMA_DEVAD,
  6235. MDIO_PMA_REG_GEN_CTRL,
  6236. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6237. /* Release srst bit */
  6238. bnx2x_cl45_write(bp, phy,
  6239. MDIO_PMA_DEVAD,
  6240. MDIO_PMA_REG_GEN_CTRL,
  6241. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6242. /* Delay 100ms per the PHY specifications */
  6243. msleep(100);
  6244. /* 8073 sometimes taking longer to download */
  6245. do {
  6246. count++;
  6247. if (count > 300) {
  6248. DP(NETIF_MSG_LINK,
  6249. "bnx2x_8073_8727_external_rom_boot port %x:"
  6250. "Download failed. fw version = 0x%x\n",
  6251. port, fw_ver1);
  6252. rc = -EINVAL;
  6253. break;
  6254. }
  6255. bnx2x_cl45_read(bp, phy,
  6256. MDIO_PMA_DEVAD,
  6257. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6258. bnx2x_cl45_read(bp, phy,
  6259. MDIO_PMA_DEVAD,
  6260. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6261. usleep_range(1000, 2000);
  6262. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6263. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6264. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6265. /* Clear ser_boot_ctl bit */
  6266. bnx2x_cl45_write(bp, phy,
  6267. MDIO_PMA_DEVAD,
  6268. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6269. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6270. DP(NETIF_MSG_LINK,
  6271. "bnx2x_8073_8727_external_rom_boot port %x:"
  6272. "Download complete. fw version = 0x%x\n",
  6273. port, fw_ver1);
  6274. return rc;
  6275. }
  6276. /******************************************************************/
  6277. /* BCM8073 PHY SECTION */
  6278. /******************************************************************/
  6279. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6280. {
  6281. /* This is only required for 8073A1, version 102 only */
  6282. u16 val;
  6283. /* Read 8073 HW revision*/
  6284. bnx2x_cl45_read(bp, phy,
  6285. MDIO_PMA_DEVAD,
  6286. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6287. if (val != 1) {
  6288. /* No need to workaround in 8073 A1 */
  6289. return 0;
  6290. }
  6291. bnx2x_cl45_read(bp, phy,
  6292. MDIO_PMA_DEVAD,
  6293. MDIO_PMA_REG_ROM_VER2, &val);
  6294. /* SNR should be applied only for version 0x102 */
  6295. if (val != 0x102)
  6296. return 0;
  6297. return 1;
  6298. }
  6299. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6300. {
  6301. u16 val, cnt, cnt1 ;
  6302. bnx2x_cl45_read(bp, phy,
  6303. MDIO_PMA_DEVAD,
  6304. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6305. if (val > 0) {
  6306. /* No need to workaround in 8073 A1 */
  6307. return 0;
  6308. }
  6309. /* XAUI workaround in 8073 A0: */
  6310. /* After loading the boot ROM and restarting Autoneg, poll
  6311. * Dev1, Reg $C820:
  6312. */
  6313. for (cnt = 0; cnt < 1000; cnt++) {
  6314. bnx2x_cl45_read(bp, phy,
  6315. MDIO_PMA_DEVAD,
  6316. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6317. &val);
  6318. /* If bit [14] = 0 or bit [13] = 0, continue on with
  6319. * system initialization (XAUI work-around not required, as
  6320. * these bits indicate 2.5G or 1G link up).
  6321. */
  6322. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6323. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6324. return 0;
  6325. } else if (!(val & (1<<15))) {
  6326. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6327. /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6328. * MSB (bit15) goes to 1 (indicating that the XAUI
  6329. * workaround has completed), then continue on with
  6330. * system initialization.
  6331. */
  6332. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6333. bnx2x_cl45_read(bp, phy,
  6334. MDIO_PMA_DEVAD,
  6335. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6336. if (val & (1<<15)) {
  6337. DP(NETIF_MSG_LINK,
  6338. "XAUI workaround has completed\n");
  6339. return 0;
  6340. }
  6341. usleep_range(3000, 6000);
  6342. }
  6343. break;
  6344. }
  6345. usleep_range(3000, 6000);
  6346. }
  6347. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6348. return -EINVAL;
  6349. }
  6350. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6351. {
  6352. /* Force KR or KX */
  6353. bnx2x_cl45_write(bp, phy,
  6354. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6355. bnx2x_cl45_write(bp, phy,
  6356. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6357. bnx2x_cl45_write(bp, phy,
  6358. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6359. bnx2x_cl45_write(bp, phy,
  6360. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6361. }
  6362. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6363. struct bnx2x_phy *phy,
  6364. struct link_vars *vars)
  6365. {
  6366. u16 cl37_val;
  6367. struct bnx2x *bp = params->bp;
  6368. bnx2x_cl45_read(bp, phy,
  6369. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6370. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6371. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6372. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6373. if ((vars->ieee_fc &
  6374. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6375. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6376. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6377. }
  6378. if ((vars->ieee_fc &
  6379. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6380. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6381. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6382. }
  6383. if ((vars->ieee_fc &
  6384. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6385. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6386. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6387. }
  6388. DP(NETIF_MSG_LINK,
  6389. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6390. bnx2x_cl45_write(bp, phy,
  6391. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6392. msleep(500);
  6393. }
  6394. static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
  6395. struct link_params *params,
  6396. u32 action)
  6397. {
  6398. struct bnx2x *bp = params->bp;
  6399. switch (action) {
  6400. case PHY_INIT:
  6401. /* Enable LASI */
  6402. bnx2x_cl45_write(bp, phy,
  6403. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6404. bnx2x_cl45_write(bp, phy,
  6405. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6406. break;
  6407. }
  6408. }
  6409. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6410. struct link_params *params,
  6411. struct link_vars *vars)
  6412. {
  6413. struct bnx2x *bp = params->bp;
  6414. u16 val = 0, tmp1;
  6415. u8 gpio_port;
  6416. DP(NETIF_MSG_LINK, "Init 8073\n");
  6417. if (CHIP_IS_E2(bp))
  6418. gpio_port = BP_PATH(bp);
  6419. else
  6420. gpio_port = params->port;
  6421. /* Restore normal power mode*/
  6422. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6423. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6424. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6425. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6426. bnx2x_8073_specific_func(phy, params, PHY_INIT);
  6427. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6428. bnx2x_cl45_read(bp, phy,
  6429. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6430. bnx2x_cl45_read(bp, phy,
  6431. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6432. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6433. /* Swap polarity if required - Must be done only in non-1G mode */
  6434. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6435. /* Configure the 8073 to swap _P and _N of the KR lines */
  6436. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6437. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6438. bnx2x_cl45_read(bp, phy,
  6439. MDIO_PMA_DEVAD,
  6440. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6441. bnx2x_cl45_write(bp, phy,
  6442. MDIO_PMA_DEVAD,
  6443. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6444. (val | (3<<9)));
  6445. }
  6446. /* Enable CL37 BAM */
  6447. if (REG_RD(bp, params->shmem_base +
  6448. offsetof(struct shmem_region, dev_info.
  6449. port_hw_config[params->port].default_cfg)) &
  6450. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6451. bnx2x_cl45_read(bp, phy,
  6452. MDIO_AN_DEVAD,
  6453. MDIO_AN_REG_8073_BAM, &val);
  6454. bnx2x_cl45_write(bp, phy,
  6455. MDIO_AN_DEVAD,
  6456. MDIO_AN_REG_8073_BAM, val | 1);
  6457. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6458. }
  6459. if (params->loopback_mode == LOOPBACK_EXT) {
  6460. bnx2x_807x_force_10G(bp, phy);
  6461. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6462. return 0;
  6463. } else {
  6464. bnx2x_cl45_write(bp, phy,
  6465. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6466. }
  6467. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6468. if (phy->req_line_speed == SPEED_10000) {
  6469. val = (1<<7);
  6470. } else if (phy->req_line_speed == SPEED_2500) {
  6471. val = (1<<5);
  6472. /* Note that 2.5G works only when used with 1G
  6473. * advertisement
  6474. */
  6475. } else
  6476. val = (1<<5);
  6477. } else {
  6478. val = 0;
  6479. if (phy->speed_cap_mask &
  6480. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6481. val |= (1<<7);
  6482. /* Note that 2.5G works only when used with 1G advertisement */
  6483. if (phy->speed_cap_mask &
  6484. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6485. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6486. val |= (1<<5);
  6487. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6488. }
  6489. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6490. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6491. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6492. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6493. (phy->req_line_speed == SPEED_2500)) {
  6494. u16 phy_ver;
  6495. /* Allow 2.5G for A1 and above */
  6496. bnx2x_cl45_read(bp, phy,
  6497. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6498. &phy_ver);
  6499. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6500. if (phy_ver > 0)
  6501. tmp1 |= 1;
  6502. else
  6503. tmp1 &= 0xfffe;
  6504. } else {
  6505. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6506. tmp1 &= 0xfffe;
  6507. }
  6508. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6509. /* Add support for CL37 (passive mode) II */
  6510. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6511. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6512. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6513. 0x20 : 0x40)));
  6514. /* Add support for CL37 (passive mode) III */
  6515. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6516. /* The SNR will improve about 2db by changing BW and FEE main
  6517. * tap. Rest commands are executed after link is up
  6518. * Change FFE main cursor to 5 in EDC register
  6519. */
  6520. if (bnx2x_8073_is_snr_needed(bp, phy))
  6521. bnx2x_cl45_write(bp, phy,
  6522. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6523. 0xFB0C);
  6524. /* Enable FEC (Forware Error Correction) Request in the AN */
  6525. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6526. tmp1 |= (1<<15);
  6527. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6528. bnx2x_ext_phy_set_pause(params, phy, vars);
  6529. /* Restart autoneg */
  6530. msleep(500);
  6531. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6532. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6533. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6534. return 0;
  6535. }
  6536. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6537. struct link_params *params,
  6538. struct link_vars *vars)
  6539. {
  6540. struct bnx2x *bp = params->bp;
  6541. u8 link_up = 0;
  6542. u16 val1, val2;
  6543. u16 link_status = 0;
  6544. u16 an1000_status = 0;
  6545. bnx2x_cl45_read(bp, phy,
  6546. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6547. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6548. /* Clear the interrupt LASI status register */
  6549. bnx2x_cl45_read(bp, phy,
  6550. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6551. bnx2x_cl45_read(bp, phy,
  6552. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6553. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6554. /* Clear MSG-OUT */
  6555. bnx2x_cl45_read(bp, phy,
  6556. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6557. /* Check the LASI */
  6558. bnx2x_cl45_read(bp, phy,
  6559. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6560. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6561. /* Check the link status */
  6562. bnx2x_cl45_read(bp, phy,
  6563. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6564. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6565. bnx2x_cl45_read(bp, phy,
  6566. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6567. bnx2x_cl45_read(bp, phy,
  6568. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6569. link_up = ((val1 & 4) == 4);
  6570. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6571. if (link_up &&
  6572. ((phy->req_line_speed != SPEED_10000))) {
  6573. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6574. return 0;
  6575. }
  6576. bnx2x_cl45_read(bp, phy,
  6577. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6578. bnx2x_cl45_read(bp, phy,
  6579. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6580. /* Check the link status on 1.1.2 */
  6581. bnx2x_cl45_read(bp, phy,
  6582. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6583. bnx2x_cl45_read(bp, phy,
  6584. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6585. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6586. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6587. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6588. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6589. /* The SNR will improve about 2dbby changing the BW and FEE main
  6590. * tap. The 1st write to change FFE main tap is set before
  6591. * restart AN. Change PLL Bandwidth in EDC register
  6592. */
  6593. bnx2x_cl45_write(bp, phy,
  6594. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6595. 0x26BC);
  6596. /* Change CDR Bandwidth in EDC register */
  6597. bnx2x_cl45_write(bp, phy,
  6598. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6599. 0x0333);
  6600. }
  6601. bnx2x_cl45_read(bp, phy,
  6602. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6603. &link_status);
  6604. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6605. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6606. link_up = 1;
  6607. vars->line_speed = SPEED_10000;
  6608. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6609. params->port);
  6610. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6611. link_up = 1;
  6612. vars->line_speed = SPEED_2500;
  6613. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6614. params->port);
  6615. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6616. link_up = 1;
  6617. vars->line_speed = SPEED_1000;
  6618. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6619. params->port);
  6620. } else {
  6621. link_up = 0;
  6622. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6623. params->port);
  6624. }
  6625. if (link_up) {
  6626. /* Swap polarity if required */
  6627. if (params->lane_config &
  6628. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6629. /* Configure the 8073 to swap P and N of the KR lines */
  6630. bnx2x_cl45_read(bp, phy,
  6631. MDIO_XS_DEVAD,
  6632. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6633. /* Set bit 3 to invert Rx in 1G mode and clear this bit
  6634. * when it`s in 10G mode.
  6635. */
  6636. if (vars->line_speed == SPEED_1000) {
  6637. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6638. "the 8073\n");
  6639. val1 |= (1<<3);
  6640. } else
  6641. val1 &= ~(1<<3);
  6642. bnx2x_cl45_write(bp, phy,
  6643. MDIO_XS_DEVAD,
  6644. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6645. val1);
  6646. }
  6647. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6648. bnx2x_8073_resolve_fc(phy, params, vars);
  6649. vars->duplex = DUPLEX_FULL;
  6650. }
  6651. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6652. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6653. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6654. if (val1 & (1<<5))
  6655. vars->link_status |=
  6656. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6657. if (val1 & (1<<7))
  6658. vars->link_status |=
  6659. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6660. }
  6661. return link_up;
  6662. }
  6663. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6664. struct link_params *params)
  6665. {
  6666. struct bnx2x *bp = params->bp;
  6667. u8 gpio_port;
  6668. if (CHIP_IS_E2(bp))
  6669. gpio_port = BP_PATH(bp);
  6670. else
  6671. gpio_port = params->port;
  6672. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6673. gpio_port);
  6674. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6675. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6676. gpio_port);
  6677. }
  6678. /******************************************************************/
  6679. /* BCM8705 PHY SECTION */
  6680. /******************************************************************/
  6681. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6682. struct link_params *params,
  6683. struct link_vars *vars)
  6684. {
  6685. struct bnx2x *bp = params->bp;
  6686. DP(NETIF_MSG_LINK, "init 8705\n");
  6687. /* Restore normal power mode*/
  6688. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6689. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6690. /* HW reset */
  6691. bnx2x_ext_phy_hw_reset(bp, params->port);
  6692. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6693. bnx2x_wait_reset_complete(bp, phy, params);
  6694. bnx2x_cl45_write(bp, phy,
  6695. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6696. bnx2x_cl45_write(bp, phy,
  6697. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6698. bnx2x_cl45_write(bp, phy,
  6699. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6700. bnx2x_cl45_write(bp, phy,
  6701. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6702. /* BCM8705 doesn't have microcode, hence the 0 */
  6703. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6704. return 0;
  6705. }
  6706. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6707. struct link_params *params,
  6708. struct link_vars *vars)
  6709. {
  6710. u8 link_up = 0;
  6711. u16 val1, rx_sd;
  6712. struct bnx2x *bp = params->bp;
  6713. DP(NETIF_MSG_LINK, "read status 8705\n");
  6714. bnx2x_cl45_read(bp, phy,
  6715. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6716. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6717. bnx2x_cl45_read(bp, phy,
  6718. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6719. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6720. bnx2x_cl45_read(bp, phy,
  6721. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6722. bnx2x_cl45_read(bp, phy,
  6723. MDIO_PMA_DEVAD, 0xc809, &val1);
  6724. bnx2x_cl45_read(bp, phy,
  6725. MDIO_PMA_DEVAD, 0xc809, &val1);
  6726. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6727. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6728. if (link_up) {
  6729. vars->line_speed = SPEED_10000;
  6730. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6731. }
  6732. return link_up;
  6733. }
  6734. /******************************************************************/
  6735. /* SFP+ module Section */
  6736. /******************************************************************/
  6737. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6738. struct bnx2x_phy *phy,
  6739. u8 pmd_dis)
  6740. {
  6741. struct bnx2x *bp = params->bp;
  6742. /* Disable transmitter only for bootcodes which can enable it afterwards
  6743. * (for D3 link)
  6744. */
  6745. if (pmd_dis) {
  6746. if (params->feature_config_flags &
  6747. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6748. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6749. else {
  6750. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6751. return;
  6752. }
  6753. } else
  6754. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6755. bnx2x_cl45_write(bp, phy,
  6756. MDIO_PMA_DEVAD,
  6757. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6758. }
  6759. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6760. {
  6761. u8 gpio_port;
  6762. u32 swap_val, swap_override;
  6763. struct bnx2x *bp = params->bp;
  6764. if (CHIP_IS_E2(bp))
  6765. gpio_port = BP_PATH(bp);
  6766. else
  6767. gpio_port = params->port;
  6768. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6769. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6770. return gpio_port ^ (swap_val && swap_override);
  6771. }
  6772. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6773. struct bnx2x_phy *phy,
  6774. u8 tx_en)
  6775. {
  6776. u16 val;
  6777. u8 port = params->port;
  6778. struct bnx2x *bp = params->bp;
  6779. u32 tx_en_mode;
  6780. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6781. tx_en_mode = REG_RD(bp, params->shmem_base +
  6782. offsetof(struct shmem_region,
  6783. dev_info.port_hw_config[port].sfp_ctrl)) &
  6784. PORT_HW_CFG_TX_LASER_MASK;
  6785. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6786. "mode = %x\n", tx_en, port, tx_en_mode);
  6787. switch (tx_en_mode) {
  6788. case PORT_HW_CFG_TX_LASER_MDIO:
  6789. bnx2x_cl45_read(bp, phy,
  6790. MDIO_PMA_DEVAD,
  6791. MDIO_PMA_REG_PHY_IDENTIFIER,
  6792. &val);
  6793. if (tx_en)
  6794. val &= ~(1<<15);
  6795. else
  6796. val |= (1<<15);
  6797. bnx2x_cl45_write(bp, phy,
  6798. MDIO_PMA_DEVAD,
  6799. MDIO_PMA_REG_PHY_IDENTIFIER,
  6800. val);
  6801. break;
  6802. case PORT_HW_CFG_TX_LASER_GPIO0:
  6803. case PORT_HW_CFG_TX_LASER_GPIO1:
  6804. case PORT_HW_CFG_TX_LASER_GPIO2:
  6805. case PORT_HW_CFG_TX_LASER_GPIO3:
  6806. {
  6807. u16 gpio_pin;
  6808. u8 gpio_port, gpio_mode;
  6809. if (tx_en)
  6810. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6811. else
  6812. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6813. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6814. gpio_port = bnx2x_get_gpio_port(params);
  6815. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6816. break;
  6817. }
  6818. default:
  6819. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6820. break;
  6821. }
  6822. }
  6823. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6824. struct bnx2x_phy *phy,
  6825. u8 tx_en)
  6826. {
  6827. struct bnx2x *bp = params->bp;
  6828. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6829. if (CHIP_IS_E3(bp))
  6830. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6831. else
  6832. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6833. }
  6834. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6835. struct link_params *params,
  6836. u16 addr, u8 byte_cnt, u8 *o_buf)
  6837. {
  6838. struct bnx2x *bp = params->bp;
  6839. u16 val = 0;
  6840. u16 i;
  6841. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6842. DP(NETIF_MSG_LINK,
  6843. "Reading from eeprom is limited to 0xf\n");
  6844. return -EINVAL;
  6845. }
  6846. /* Set the read command byte count */
  6847. bnx2x_cl45_write(bp, phy,
  6848. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6849. (byte_cnt | 0xa000));
  6850. /* Set the read command address */
  6851. bnx2x_cl45_write(bp, phy,
  6852. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6853. addr);
  6854. /* Activate read command */
  6855. bnx2x_cl45_write(bp, phy,
  6856. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6857. 0x2c0f);
  6858. /* Wait up to 500us for command complete status */
  6859. for (i = 0; i < 100; i++) {
  6860. bnx2x_cl45_read(bp, phy,
  6861. MDIO_PMA_DEVAD,
  6862. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6863. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6864. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6865. break;
  6866. udelay(5);
  6867. }
  6868. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6869. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6870. DP(NETIF_MSG_LINK,
  6871. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6872. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6873. return -EINVAL;
  6874. }
  6875. /* Read the buffer */
  6876. for (i = 0; i < byte_cnt; i++) {
  6877. bnx2x_cl45_read(bp, phy,
  6878. MDIO_PMA_DEVAD,
  6879. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6880. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6881. }
  6882. for (i = 0; i < 100; i++) {
  6883. bnx2x_cl45_read(bp, phy,
  6884. MDIO_PMA_DEVAD,
  6885. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6886. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6887. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6888. return 0;
  6889. usleep_range(1000, 2000);
  6890. }
  6891. return -EINVAL;
  6892. }
  6893. static void bnx2x_warpcore_power_module(struct link_params *params,
  6894. u8 power)
  6895. {
  6896. u32 pin_cfg;
  6897. struct bnx2x *bp = params->bp;
  6898. pin_cfg = (REG_RD(bp, params->shmem_base +
  6899. offsetof(struct shmem_region,
  6900. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  6901. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  6902. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  6903. if (pin_cfg == PIN_CFG_NA)
  6904. return;
  6905. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  6906. power, pin_cfg);
  6907. /* Low ==> corresponding SFP+ module is powered
  6908. * high ==> the SFP+ module is powered down
  6909. */
  6910. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  6911. }
  6912. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6913. struct link_params *params,
  6914. u16 addr, u8 byte_cnt,
  6915. u8 *o_buf, u8 is_init)
  6916. {
  6917. int rc = 0;
  6918. u8 i, j = 0, cnt = 0;
  6919. u32 data_array[4];
  6920. u16 addr32;
  6921. struct bnx2x *bp = params->bp;
  6922. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6923. DP(NETIF_MSG_LINK,
  6924. "Reading from eeprom is limited to 16 bytes\n");
  6925. return -EINVAL;
  6926. }
  6927. /* 4 byte aligned address */
  6928. addr32 = addr & (~0x3);
  6929. do {
  6930. if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
  6931. bnx2x_warpcore_power_module(params, 0);
  6932. /* Note that 100us are not enough here */
  6933. usleep_range(1000, 2000);
  6934. bnx2x_warpcore_power_module(params, 1);
  6935. }
  6936. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6937. data_array);
  6938. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6939. if (rc == 0) {
  6940. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6941. o_buf[j] = *((u8 *)data_array + i);
  6942. j++;
  6943. }
  6944. }
  6945. return rc;
  6946. }
  6947. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6948. struct link_params *params,
  6949. u16 addr, u8 byte_cnt, u8 *o_buf)
  6950. {
  6951. struct bnx2x *bp = params->bp;
  6952. u16 val, i;
  6953. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6954. DP(NETIF_MSG_LINK,
  6955. "Reading from eeprom is limited to 0xf\n");
  6956. return -EINVAL;
  6957. }
  6958. /* Need to read from 1.8000 to clear it */
  6959. bnx2x_cl45_read(bp, phy,
  6960. MDIO_PMA_DEVAD,
  6961. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6962. &val);
  6963. /* Set the read command byte count */
  6964. bnx2x_cl45_write(bp, phy,
  6965. MDIO_PMA_DEVAD,
  6966. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6967. ((byte_cnt < 2) ? 2 : byte_cnt));
  6968. /* Set the read command address */
  6969. bnx2x_cl45_write(bp, phy,
  6970. MDIO_PMA_DEVAD,
  6971. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6972. addr);
  6973. /* Set the destination address */
  6974. bnx2x_cl45_write(bp, phy,
  6975. MDIO_PMA_DEVAD,
  6976. 0x8004,
  6977. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6978. /* Activate read command */
  6979. bnx2x_cl45_write(bp, phy,
  6980. MDIO_PMA_DEVAD,
  6981. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6982. 0x8002);
  6983. /* Wait appropriate time for two-wire command to finish before
  6984. * polling the status register
  6985. */
  6986. usleep_range(1000, 2000);
  6987. /* Wait up to 500us for command complete status */
  6988. for (i = 0; i < 100; i++) {
  6989. bnx2x_cl45_read(bp, phy,
  6990. MDIO_PMA_DEVAD,
  6991. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6992. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6993. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6994. break;
  6995. udelay(5);
  6996. }
  6997. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6998. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6999. DP(NETIF_MSG_LINK,
  7000. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  7001. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  7002. return -EFAULT;
  7003. }
  7004. /* Read the buffer */
  7005. for (i = 0; i < byte_cnt; i++) {
  7006. bnx2x_cl45_read(bp, phy,
  7007. MDIO_PMA_DEVAD,
  7008. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  7009. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  7010. }
  7011. for (i = 0; i < 100; i++) {
  7012. bnx2x_cl45_read(bp, phy,
  7013. MDIO_PMA_DEVAD,
  7014. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  7015. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  7016. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  7017. return 0;
  7018. usleep_range(1000, 2000);
  7019. }
  7020. return -EINVAL;
  7021. }
  7022. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  7023. struct link_params *params, u16 addr,
  7024. u8 byte_cnt, u8 *o_buf)
  7025. {
  7026. int rc = -EOPNOTSUPP;
  7027. switch (phy->type) {
  7028. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7029. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  7030. byte_cnt, o_buf);
  7031. break;
  7032. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7033. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7034. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  7035. byte_cnt, o_buf);
  7036. break;
  7037. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7038. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  7039. byte_cnt, o_buf, 0);
  7040. break;
  7041. }
  7042. return rc;
  7043. }
  7044. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  7045. struct link_params *params,
  7046. u16 *edc_mode)
  7047. {
  7048. struct bnx2x *bp = params->bp;
  7049. u32 sync_offset = 0, phy_idx, media_types;
  7050. u8 val[2], check_limiting_mode = 0;
  7051. *edc_mode = EDC_MODE_LIMITING;
  7052. phy->media_type = ETH_PHY_UNSPECIFIED;
  7053. /* First check for copper cable */
  7054. if (bnx2x_read_sfp_module_eeprom(phy,
  7055. params,
  7056. SFP_EEPROM_CON_TYPE_ADDR,
  7057. 2,
  7058. (u8 *)val) != 0) {
  7059. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  7060. return -EINVAL;
  7061. }
  7062. switch (val[0]) {
  7063. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  7064. {
  7065. u8 copper_module_type;
  7066. phy->media_type = ETH_PHY_DA_TWINAX;
  7067. /* Check if its active cable (includes SFP+ module)
  7068. * of passive cable
  7069. */
  7070. if (bnx2x_read_sfp_module_eeprom(phy,
  7071. params,
  7072. SFP_EEPROM_FC_TX_TECH_ADDR,
  7073. 1,
  7074. &copper_module_type) != 0) {
  7075. DP(NETIF_MSG_LINK,
  7076. "Failed to read copper-cable-type"
  7077. " from SFP+ EEPROM\n");
  7078. return -EINVAL;
  7079. }
  7080. if (copper_module_type &
  7081. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  7082. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  7083. check_limiting_mode = 1;
  7084. } else if (copper_module_type &
  7085. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  7086. DP(NETIF_MSG_LINK,
  7087. "Passive Copper cable detected\n");
  7088. *edc_mode =
  7089. EDC_MODE_PASSIVE_DAC;
  7090. } else {
  7091. DP(NETIF_MSG_LINK,
  7092. "Unknown copper-cable-type 0x%x !!!\n",
  7093. copper_module_type);
  7094. return -EINVAL;
  7095. }
  7096. break;
  7097. }
  7098. case SFP_EEPROM_CON_TYPE_VAL_LC:
  7099. check_limiting_mode = 1;
  7100. if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
  7101. SFP_EEPROM_COMP_CODE_LR_MASK |
  7102. SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
  7103. DP(NETIF_MSG_LINK, "1G Optic module detected\n");
  7104. phy->media_type = ETH_PHY_SFP_1G_FIBER;
  7105. phy->req_line_speed = SPEED_1000;
  7106. } else {
  7107. int idx, cfg_idx = 0;
  7108. DP(NETIF_MSG_LINK, "10G Optic module detected\n");
  7109. for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
  7110. if (params->phy[idx].type == phy->type) {
  7111. cfg_idx = LINK_CONFIG_IDX(idx);
  7112. break;
  7113. }
  7114. }
  7115. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  7116. phy->req_line_speed = params->req_line_speed[cfg_idx];
  7117. }
  7118. break;
  7119. default:
  7120. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  7121. val[0]);
  7122. return -EINVAL;
  7123. }
  7124. sync_offset = params->shmem_base +
  7125. offsetof(struct shmem_region,
  7126. dev_info.port_hw_config[params->port].media_type);
  7127. media_types = REG_RD(bp, sync_offset);
  7128. /* Update media type for non-PMF sync */
  7129. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  7130. if (&(params->phy[phy_idx]) == phy) {
  7131. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  7132. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7133. media_types |= ((phy->media_type &
  7134. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  7135. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7136. break;
  7137. }
  7138. }
  7139. REG_WR(bp, sync_offset, media_types);
  7140. if (check_limiting_mode) {
  7141. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  7142. if (bnx2x_read_sfp_module_eeprom(phy,
  7143. params,
  7144. SFP_EEPROM_OPTIONS_ADDR,
  7145. SFP_EEPROM_OPTIONS_SIZE,
  7146. options) != 0) {
  7147. DP(NETIF_MSG_LINK,
  7148. "Failed to read Option field from module EEPROM\n");
  7149. return -EINVAL;
  7150. }
  7151. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  7152. *edc_mode = EDC_MODE_LINEAR;
  7153. else
  7154. *edc_mode = EDC_MODE_LIMITING;
  7155. }
  7156. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  7157. return 0;
  7158. }
  7159. /* This function read the relevant field from the module (SFP+), and verify it
  7160. * is compliant with this board
  7161. */
  7162. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  7163. struct link_params *params)
  7164. {
  7165. struct bnx2x *bp = params->bp;
  7166. u32 val, cmd;
  7167. u32 fw_resp, fw_cmd_param;
  7168. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  7169. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  7170. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  7171. val = REG_RD(bp, params->shmem_base +
  7172. offsetof(struct shmem_region, dev_info.
  7173. port_feature_config[params->port].config));
  7174. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7175. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  7176. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  7177. return 0;
  7178. }
  7179. if (params->feature_config_flags &
  7180. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  7181. /* Use specific phy request */
  7182. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  7183. } else if (params->feature_config_flags &
  7184. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  7185. /* Use first phy request only in case of non-dual media*/
  7186. if (DUAL_MEDIA(params)) {
  7187. DP(NETIF_MSG_LINK,
  7188. "FW does not support OPT MDL verification\n");
  7189. return -EINVAL;
  7190. }
  7191. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  7192. } else {
  7193. /* No support in OPT MDL detection */
  7194. DP(NETIF_MSG_LINK,
  7195. "FW does not support OPT MDL verification\n");
  7196. return -EINVAL;
  7197. }
  7198. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  7199. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  7200. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  7201. DP(NETIF_MSG_LINK, "Approved module\n");
  7202. return 0;
  7203. }
  7204. /* Format the warning message */
  7205. if (bnx2x_read_sfp_module_eeprom(phy,
  7206. params,
  7207. SFP_EEPROM_VENDOR_NAME_ADDR,
  7208. SFP_EEPROM_VENDOR_NAME_SIZE,
  7209. (u8 *)vendor_name))
  7210. vendor_name[0] = '\0';
  7211. else
  7212. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7213. if (bnx2x_read_sfp_module_eeprom(phy,
  7214. params,
  7215. SFP_EEPROM_PART_NO_ADDR,
  7216. SFP_EEPROM_PART_NO_SIZE,
  7217. (u8 *)vendor_pn))
  7218. vendor_pn[0] = '\0';
  7219. else
  7220. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7221. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7222. " Port %d from %s part number %s\n",
  7223. params->port, vendor_name, vendor_pn);
  7224. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7225. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
  7226. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7227. return -EINVAL;
  7228. }
  7229. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7230. struct link_params *params)
  7231. {
  7232. u8 val;
  7233. int rc;
  7234. struct bnx2x *bp = params->bp;
  7235. u16 timeout;
  7236. /* Initialization time after hot-plug may take up to 300ms for
  7237. * some phys type ( e.g. JDSU )
  7238. */
  7239. for (timeout = 0; timeout < 60; timeout++) {
  7240. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  7241. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy,
  7242. params, 1,
  7243. 1, &val, 1);
  7244. else
  7245. rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1,
  7246. &val);
  7247. if (rc == 0) {
  7248. DP(NETIF_MSG_LINK,
  7249. "SFP+ module initialization took %d ms\n",
  7250. timeout * 5);
  7251. return 0;
  7252. }
  7253. usleep_range(5000, 10000);
  7254. }
  7255. rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val);
  7256. return rc;
  7257. }
  7258. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7259. struct bnx2x_phy *phy,
  7260. u8 is_power_up) {
  7261. /* Make sure GPIOs are not using for LED mode */
  7262. u16 val;
  7263. /* In the GPIO register, bit 4 is use to determine if the GPIOs are
  7264. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7265. * output
  7266. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7267. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7268. * where the 1st bit is the over-current(only input), and 2nd bit is
  7269. * for power( only output )
  7270. *
  7271. * In case of NOC feature is disabled and power is up, set GPIO control
  7272. * as input to enable listening of over-current indication
  7273. */
  7274. if (phy->flags & FLAGS_NOC)
  7275. return;
  7276. if (is_power_up)
  7277. val = (1<<4);
  7278. else
  7279. /* Set GPIO control to OUTPUT, and set the power bit
  7280. * to according to the is_power_up
  7281. */
  7282. val = (1<<1);
  7283. bnx2x_cl45_write(bp, phy,
  7284. MDIO_PMA_DEVAD,
  7285. MDIO_PMA_REG_8727_GPIO_CTRL,
  7286. val);
  7287. }
  7288. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7289. struct bnx2x_phy *phy,
  7290. u16 edc_mode)
  7291. {
  7292. u16 cur_limiting_mode;
  7293. bnx2x_cl45_read(bp, phy,
  7294. MDIO_PMA_DEVAD,
  7295. MDIO_PMA_REG_ROM_VER2,
  7296. &cur_limiting_mode);
  7297. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7298. cur_limiting_mode);
  7299. if (edc_mode == EDC_MODE_LIMITING) {
  7300. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7301. bnx2x_cl45_write(bp, phy,
  7302. MDIO_PMA_DEVAD,
  7303. MDIO_PMA_REG_ROM_VER2,
  7304. EDC_MODE_LIMITING);
  7305. } else { /* LRM mode ( default )*/
  7306. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7307. /* Changing to LRM mode takes quite few seconds. So do it only
  7308. * if current mode is limiting (default is LRM)
  7309. */
  7310. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7311. return 0;
  7312. bnx2x_cl45_write(bp, phy,
  7313. MDIO_PMA_DEVAD,
  7314. MDIO_PMA_REG_LRM_MODE,
  7315. 0);
  7316. bnx2x_cl45_write(bp, phy,
  7317. MDIO_PMA_DEVAD,
  7318. MDIO_PMA_REG_ROM_VER2,
  7319. 0x128);
  7320. bnx2x_cl45_write(bp, phy,
  7321. MDIO_PMA_DEVAD,
  7322. MDIO_PMA_REG_MISC_CTRL0,
  7323. 0x4008);
  7324. bnx2x_cl45_write(bp, phy,
  7325. MDIO_PMA_DEVAD,
  7326. MDIO_PMA_REG_LRM_MODE,
  7327. 0xaaaa);
  7328. }
  7329. return 0;
  7330. }
  7331. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7332. struct bnx2x_phy *phy,
  7333. u16 edc_mode)
  7334. {
  7335. u16 phy_identifier;
  7336. u16 rom_ver2_val;
  7337. bnx2x_cl45_read(bp, phy,
  7338. MDIO_PMA_DEVAD,
  7339. MDIO_PMA_REG_PHY_IDENTIFIER,
  7340. &phy_identifier);
  7341. bnx2x_cl45_write(bp, phy,
  7342. MDIO_PMA_DEVAD,
  7343. MDIO_PMA_REG_PHY_IDENTIFIER,
  7344. (phy_identifier & ~(1<<9)));
  7345. bnx2x_cl45_read(bp, phy,
  7346. MDIO_PMA_DEVAD,
  7347. MDIO_PMA_REG_ROM_VER2,
  7348. &rom_ver2_val);
  7349. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7350. bnx2x_cl45_write(bp, phy,
  7351. MDIO_PMA_DEVAD,
  7352. MDIO_PMA_REG_ROM_VER2,
  7353. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7354. bnx2x_cl45_write(bp, phy,
  7355. MDIO_PMA_DEVAD,
  7356. MDIO_PMA_REG_PHY_IDENTIFIER,
  7357. (phy_identifier | (1<<9)));
  7358. return 0;
  7359. }
  7360. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7361. struct link_params *params,
  7362. u32 action)
  7363. {
  7364. struct bnx2x *bp = params->bp;
  7365. u16 val;
  7366. switch (action) {
  7367. case DISABLE_TX:
  7368. bnx2x_sfp_set_transmitter(params, phy, 0);
  7369. break;
  7370. case ENABLE_TX:
  7371. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7372. bnx2x_sfp_set_transmitter(params, phy, 1);
  7373. break;
  7374. case PHY_INIT:
  7375. bnx2x_cl45_write(bp, phy,
  7376. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7377. (1<<2) | (1<<5));
  7378. bnx2x_cl45_write(bp, phy,
  7379. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7380. 0);
  7381. bnx2x_cl45_write(bp, phy,
  7382. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
  7383. /* Make MOD_ABS give interrupt on change */
  7384. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7385. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7386. &val);
  7387. val |= (1<<12);
  7388. if (phy->flags & FLAGS_NOC)
  7389. val |= (3<<5);
  7390. /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7391. * status which reflect SFP+ module over-current
  7392. */
  7393. if (!(phy->flags & FLAGS_NOC))
  7394. val &= 0xff8f; /* Reset bits 4-6 */
  7395. bnx2x_cl45_write(bp, phy,
  7396. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7397. val);
  7398. /* Set 2-wire transfer rate of SFP+ module EEPROM
  7399. * to 100Khz since some DACs(direct attached cables) do
  7400. * not work at 400Khz.
  7401. */
  7402. bnx2x_cl45_write(bp, phy,
  7403. MDIO_PMA_DEVAD,
  7404. MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  7405. 0xa001);
  7406. break;
  7407. default:
  7408. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7409. action);
  7410. return;
  7411. }
  7412. }
  7413. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7414. u8 gpio_mode)
  7415. {
  7416. struct bnx2x *bp = params->bp;
  7417. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7418. offsetof(struct shmem_region,
  7419. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7420. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7421. switch (fault_led_gpio) {
  7422. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7423. return;
  7424. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7425. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7426. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7427. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7428. {
  7429. u8 gpio_port = bnx2x_get_gpio_port(params);
  7430. u16 gpio_pin = fault_led_gpio -
  7431. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7432. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7433. "pin %x port %x mode %x\n",
  7434. gpio_pin, gpio_port, gpio_mode);
  7435. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7436. }
  7437. break;
  7438. default:
  7439. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7440. fault_led_gpio);
  7441. }
  7442. }
  7443. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7444. u8 gpio_mode)
  7445. {
  7446. u32 pin_cfg;
  7447. u8 port = params->port;
  7448. struct bnx2x *bp = params->bp;
  7449. pin_cfg = (REG_RD(bp, params->shmem_base +
  7450. offsetof(struct shmem_region,
  7451. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7452. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7453. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7454. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7455. gpio_mode, pin_cfg);
  7456. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7457. }
  7458. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7459. u8 gpio_mode)
  7460. {
  7461. struct bnx2x *bp = params->bp;
  7462. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7463. if (CHIP_IS_E3(bp)) {
  7464. /* Low ==> if SFP+ module is supported otherwise
  7465. * High ==> if SFP+ module is not on the approved vendor list
  7466. */
  7467. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7468. } else
  7469. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7470. }
  7471. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7472. struct link_params *params)
  7473. {
  7474. struct bnx2x *bp = params->bp;
  7475. bnx2x_warpcore_power_module(params, 0);
  7476. /* Put Warpcore in low power mode */
  7477. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7478. /* Put LCPLL in low power mode */
  7479. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7480. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7481. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7482. }
  7483. static void bnx2x_power_sfp_module(struct link_params *params,
  7484. struct bnx2x_phy *phy,
  7485. u8 power)
  7486. {
  7487. struct bnx2x *bp = params->bp;
  7488. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7489. switch (phy->type) {
  7490. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7491. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7492. bnx2x_8727_power_module(params->bp, phy, power);
  7493. break;
  7494. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7495. bnx2x_warpcore_power_module(params, power);
  7496. break;
  7497. default:
  7498. break;
  7499. }
  7500. }
  7501. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7502. struct bnx2x_phy *phy,
  7503. u16 edc_mode)
  7504. {
  7505. u16 val = 0;
  7506. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7507. struct bnx2x *bp = params->bp;
  7508. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7509. /* This is a global register which controls all lanes */
  7510. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7511. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7512. val &= ~(0xf << (lane << 2));
  7513. switch (edc_mode) {
  7514. case EDC_MODE_LINEAR:
  7515. case EDC_MODE_LIMITING:
  7516. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7517. break;
  7518. case EDC_MODE_PASSIVE_DAC:
  7519. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7520. break;
  7521. default:
  7522. break;
  7523. }
  7524. val |= (mode << (lane << 2));
  7525. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7526. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7527. /* A must read */
  7528. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7529. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7530. /* Restart microcode to re-read the new mode */
  7531. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7532. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7533. }
  7534. static void bnx2x_set_limiting_mode(struct link_params *params,
  7535. struct bnx2x_phy *phy,
  7536. u16 edc_mode)
  7537. {
  7538. switch (phy->type) {
  7539. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7540. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7541. break;
  7542. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7543. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7544. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7545. break;
  7546. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7547. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7548. break;
  7549. }
  7550. }
  7551. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7552. struct link_params *params)
  7553. {
  7554. struct bnx2x *bp = params->bp;
  7555. u16 edc_mode;
  7556. int rc = 0;
  7557. u32 val = REG_RD(bp, params->shmem_base +
  7558. offsetof(struct shmem_region, dev_info.
  7559. port_feature_config[params->port].config));
  7560. /* Enabled transmitter by default */
  7561. bnx2x_sfp_set_transmitter(params, phy, 1);
  7562. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7563. params->port);
  7564. /* Power up module */
  7565. bnx2x_power_sfp_module(params, phy, 1);
  7566. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7567. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7568. return -EINVAL;
  7569. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7570. /* Check SFP+ module compatibility */
  7571. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7572. rc = -EINVAL;
  7573. /* Turn on fault module-detected led */
  7574. bnx2x_set_sfp_module_fault_led(params,
  7575. MISC_REGISTERS_GPIO_HIGH);
  7576. /* Check if need to power down the SFP+ module */
  7577. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7578. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7579. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7580. bnx2x_power_sfp_module(params, phy, 0);
  7581. return rc;
  7582. }
  7583. } else {
  7584. /* Turn off fault module-detected led */
  7585. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7586. }
  7587. /* Check and set limiting mode / LRM mode on 8726. On 8727 it
  7588. * is done automatically
  7589. */
  7590. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7591. /* Disable transmit for this module if the module is not approved, and
  7592. * laser needs to be disabled.
  7593. */
  7594. if ((rc) &&
  7595. ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7596. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
  7597. bnx2x_sfp_set_transmitter(params, phy, 0);
  7598. return rc;
  7599. }
  7600. void bnx2x_handle_module_detect_int(struct link_params *params)
  7601. {
  7602. struct bnx2x *bp = params->bp;
  7603. struct bnx2x_phy *phy;
  7604. u32 gpio_val;
  7605. u8 gpio_num, gpio_port;
  7606. if (CHIP_IS_E3(bp)) {
  7607. phy = &params->phy[INT_PHY];
  7608. /* Always enable TX laser,will be disabled in case of fault */
  7609. bnx2x_sfp_set_transmitter(params, phy, 1);
  7610. } else {
  7611. phy = &params->phy[EXT_PHY1];
  7612. }
  7613. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7614. params->port, &gpio_num, &gpio_port) ==
  7615. -EINVAL) {
  7616. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7617. return;
  7618. }
  7619. /* Set valid module led off */
  7620. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7621. /* Get current gpio val reflecting module plugged in / out*/
  7622. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7623. /* Call the handling function in case module is detected */
  7624. if (gpio_val == 0) {
  7625. bnx2x_set_mdio_emac_per_phy(bp, params);
  7626. bnx2x_set_aer_mmd(params, phy);
  7627. bnx2x_power_sfp_module(params, phy, 1);
  7628. bnx2x_set_gpio_int(bp, gpio_num,
  7629. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7630. gpio_port);
  7631. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
  7632. bnx2x_sfp_module_detection(phy, params);
  7633. if (CHIP_IS_E3(bp)) {
  7634. u16 rx_tx_in_reset;
  7635. /* In case WC is out of reset, reconfigure the
  7636. * link speed while taking into account 1G
  7637. * module limitation.
  7638. */
  7639. bnx2x_cl45_read(bp, phy,
  7640. MDIO_WC_DEVAD,
  7641. MDIO_WC_REG_DIGITAL5_MISC6,
  7642. &rx_tx_in_reset);
  7643. if (!rx_tx_in_reset) {
  7644. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7645. bnx2x_warpcore_config_sfi(phy, params);
  7646. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7647. }
  7648. }
  7649. } else {
  7650. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7651. }
  7652. } else {
  7653. bnx2x_set_gpio_int(bp, gpio_num,
  7654. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7655. gpio_port);
  7656. /* Module was plugged out.
  7657. * Disable transmit for this module
  7658. */
  7659. phy->media_type = ETH_PHY_NOT_PRESENT;
  7660. }
  7661. }
  7662. /******************************************************************/
  7663. /* Used by 8706 and 8727 */
  7664. /******************************************************************/
  7665. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7666. struct bnx2x_phy *phy,
  7667. u16 alarm_status_offset,
  7668. u16 alarm_ctrl_offset)
  7669. {
  7670. u16 alarm_status, val;
  7671. bnx2x_cl45_read(bp, phy,
  7672. MDIO_PMA_DEVAD, alarm_status_offset,
  7673. &alarm_status);
  7674. bnx2x_cl45_read(bp, phy,
  7675. MDIO_PMA_DEVAD, alarm_status_offset,
  7676. &alarm_status);
  7677. /* Mask or enable the fault event. */
  7678. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7679. if (alarm_status & (1<<0))
  7680. val &= ~(1<<0);
  7681. else
  7682. val |= (1<<0);
  7683. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7684. }
  7685. /******************************************************************/
  7686. /* common BCM8706/BCM8726 PHY SECTION */
  7687. /******************************************************************/
  7688. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7689. struct link_params *params,
  7690. struct link_vars *vars)
  7691. {
  7692. u8 link_up = 0;
  7693. u16 val1, val2, rx_sd, pcs_status;
  7694. struct bnx2x *bp = params->bp;
  7695. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7696. /* Clear RX Alarm*/
  7697. bnx2x_cl45_read(bp, phy,
  7698. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7699. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7700. MDIO_PMA_LASI_TXCTRL);
  7701. /* Clear LASI indication*/
  7702. bnx2x_cl45_read(bp, phy,
  7703. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7704. bnx2x_cl45_read(bp, phy,
  7705. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7706. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7707. bnx2x_cl45_read(bp, phy,
  7708. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7709. bnx2x_cl45_read(bp, phy,
  7710. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7711. bnx2x_cl45_read(bp, phy,
  7712. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7713. bnx2x_cl45_read(bp, phy,
  7714. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7715. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7716. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7717. /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7718. * are set, or if the autoneg bit 1 is set
  7719. */
  7720. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7721. if (link_up) {
  7722. if (val2 & (1<<1))
  7723. vars->line_speed = SPEED_1000;
  7724. else
  7725. vars->line_speed = SPEED_10000;
  7726. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7727. vars->duplex = DUPLEX_FULL;
  7728. }
  7729. /* Capture 10G link fault. Read twice to clear stale value. */
  7730. if (vars->line_speed == SPEED_10000) {
  7731. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7732. MDIO_PMA_LASI_TXSTAT, &val1);
  7733. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7734. MDIO_PMA_LASI_TXSTAT, &val1);
  7735. if (val1 & (1<<0))
  7736. vars->fault_detected = 1;
  7737. }
  7738. return link_up;
  7739. }
  7740. /******************************************************************/
  7741. /* BCM8706 PHY SECTION */
  7742. /******************************************************************/
  7743. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7744. struct link_params *params,
  7745. struct link_vars *vars)
  7746. {
  7747. u32 tx_en_mode;
  7748. u16 cnt, val, tmp1;
  7749. struct bnx2x *bp = params->bp;
  7750. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7751. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7752. /* HW reset */
  7753. bnx2x_ext_phy_hw_reset(bp, params->port);
  7754. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7755. bnx2x_wait_reset_complete(bp, phy, params);
  7756. /* Wait until fw is loaded */
  7757. for (cnt = 0; cnt < 100; cnt++) {
  7758. bnx2x_cl45_read(bp, phy,
  7759. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7760. if (val)
  7761. break;
  7762. usleep_range(10000, 20000);
  7763. }
  7764. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7765. if ((params->feature_config_flags &
  7766. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7767. u8 i;
  7768. u16 reg;
  7769. for (i = 0; i < 4; i++) {
  7770. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7771. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7772. MDIO_XS_8706_REG_BANK_RX0);
  7773. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7774. /* Clear first 3 bits of the control */
  7775. val &= ~0x7;
  7776. /* Set control bits according to configuration */
  7777. val |= (phy->rx_preemphasis[i] & 0x7);
  7778. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7779. " reg 0x%x <-- val 0x%x\n", reg, val);
  7780. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7781. }
  7782. }
  7783. /* Force speed */
  7784. if (phy->req_line_speed == SPEED_10000) {
  7785. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7786. bnx2x_cl45_write(bp, phy,
  7787. MDIO_PMA_DEVAD,
  7788. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7789. bnx2x_cl45_write(bp, phy,
  7790. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7791. 0);
  7792. /* Arm LASI for link and Tx fault. */
  7793. bnx2x_cl45_write(bp, phy,
  7794. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7795. } else {
  7796. /* Force 1Gbps using autoneg with 1G advertisement */
  7797. /* Allow CL37 through CL73 */
  7798. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7799. bnx2x_cl45_write(bp, phy,
  7800. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7801. /* Enable Full-Duplex advertisement on CL37 */
  7802. bnx2x_cl45_write(bp, phy,
  7803. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7804. /* Enable CL37 AN */
  7805. bnx2x_cl45_write(bp, phy,
  7806. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7807. /* 1G support */
  7808. bnx2x_cl45_write(bp, phy,
  7809. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7810. /* Enable clause 73 AN */
  7811. bnx2x_cl45_write(bp, phy,
  7812. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7813. bnx2x_cl45_write(bp, phy,
  7814. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7815. 0x0400);
  7816. bnx2x_cl45_write(bp, phy,
  7817. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7818. 0x0004);
  7819. }
  7820. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7821. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7822. * power mode, if TX Laser is disabled
  7823. */
  7824. tx_en_mode = REG_RD(bp, params->shmem_base +
  7825. offsetof(struct shmem_region,
  7826. dev_info.port_hw_config[params->port].sfp_ctrl))
  7827. & PORT_HW_CFG_TX_LASER_MASK;
  7828. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7829. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7830. bnx2x_cl45_read(bp, phy,
  7831. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7832. tmp1 |= 0x1;
  7833. bnx2x_cl45_write(bp, phy,
  7834. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7835. }
  7836. return 0;
  7837. }
  7838. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7839. struct link_params *params,
  7840. struct link_vars *vars)
  7841. {
  7842. return bnx2x_8706_8726_read_status(phy, params, vars);
  7843. }
  7844. /******************************************************************/
  7845. /* BCM8726 PHY SECTION */
  7846. /******************************************************************/
  7847. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7848. struct link_params *params)
  7849. {
  7850. struct bnx2x *bp = params->bp;
  7851. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7852. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7853. }
  7854. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7855. struct link_params *params)
  7856. {
  7857. struct bnx2x *bp = params->bp;
  7858. /* Need to wait 100ms after reset */
  7859. msleep(100);
  7860. /* Micro controller re-boot */
  7861. bnx2x_cl45_write(bp, phy,
  7862. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7863. /* Set soft reset */
  7864. bnx2x_cl45_write(bp, phy,
  7865. MDIO_PMA_DEVAD,
  7866. MDIO_PMA_REG_GEN_CTRL,
  7867. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7868. bnx2x_cl45_write(bp, phy,
  7869. MDIO_PMA_DEVAD,
  7870. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7871. bnx2x_cl45_write(bp, phy,
  7872. MDIO_PMA_DEVAD,
  7873. MDIO_PMA_REG_GEN_CTRL,
  7874. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7875. /* Wait for 150ms for microcode load */
  7876. msleep(150);
  7877. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7878. bnx2x_cl45_write(bp, phy,
  7879. MDIO_PMA_DEVAD,
  7880. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7881. msleep(200);
  7882. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7883. }
  7884. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7885. struct link_params *params,
  7886. struct link_vars *vars)
  7887. {
  7888. struct bnx2x *bp = params->bp;
  7889. u16 val1;
  7890. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7891. if (link_up) {
  7892. bnx2x_cl45_read(bp, phy,
  7893. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7894. &val1);
  7895. if (val1 & (1<<15)) {
  7896. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7897. link_up = 0;
  7898. vars->line_speed = 0;
  7899. }
  7900. }
  7901. return link_up;
  7902. }
  7903. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7904. struct link_params *params,
  7905. struct link_vars *vars)
  7906. {
  7907. struct bnx2x *bp = params->bp;
  7908. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7909. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7910. bnx2x_wait_reset_complete(bp, phy, params);
  7911. bnx2x_8726_external_rom_boot(phy, params);
  7912. /* Need to call module detected on initialization since the module
  7913. * detection triggered by actual module insertion might occur before
  7914. * driver is loaded, and when driver is loaded, it reset all
  7915. * registers, including the transmitter
  7916. */
  7917. bnx2x_sfp_module_detection(phy, params);
  7918. if (phy->req_line_speed == SPEED_1000) {
  7919. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7920. bnx2x_cl45_write(bp, phy,
  7921. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7922. bnx2x_cl45_write(bp, phy,
  7923. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7924. bnx2x_cl45_write(bp, phy,
  7925. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7926. bnx2x_cl45_write(bp, phy,
  7927. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7928. 0x400);
  7929. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7930. (phy->speed_cap_mask &
  7931. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7932. ((phy->speed_cap_mask &
  7933. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7934. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7935. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7936. /* Set Flow control */
  7937. bnx2x_ext_phy_set_pause(params, phy, vars);
  7938. bnx2x_cl45_write(bp, phy,
  7939. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7940. bnx2x_cl45_write(bp, phy,
  7941. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7942. bnx2x_cl45_write(bp, phy,
  7943. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7944. bnx2x_cl45_write(bp, phy,
  7945. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7946. bnx2x_cl45_write(bp, phy,
  7947. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7948. /* Enable RX-ALARM control to receive interrupt for 1G speed
  7949. * change
  7950. */
  7951. bnx2x_cl45_write(bp, phy,
  7952. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7953. bnx2x_cl45_write(bp, phy,
  7954. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7955. 0x400);
  7956. } else { /* Default 10G. Set only LASI control */
  7957. bnx2x_cl45_write(bp, phy,
  7958. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7959. }
  7960. /* Set TX PreEmphasis if needed */
  7961. if ((params->feature_config_flags &
  7962. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7963. DP(NETIF_MSG_LINK,
  7964. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7965. phy->tx_preemphasis[0],
  7966. phy->tx_preemphasis[1]);
  7967. bnx2x_cl45_write(bp, phy,
  7968. MDIO_PMA_DEVAD,
  7969. MDIO_PMA_REG_8726_TX_CTRL1,
  7970. phy->tx_preemphasis[0]);
  7971. bnx2x_cl45_write(bp, phy,
  7972. MDIO_PMA_DEVAD,
  7973. MDIO_PMA_REG_8726_TX_CTRL2,
  7974. phy->tx_preemphasis[1]);
  7975. }
  7976. return 0;
  7977. }
  7978. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7979. struct link_params *params)
  7980. {
  7981. struct bnx2x *bp = params->bp;
  7982. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7983. /* Set serial boot control for external load */
  7984. bnx2x_cl45_write(bp, phy,
  7985. MDIO_PMA_DEVAD,
  7986. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7987. }
  7988. /******************************************************************/
  7989. /* BCM8727 PHY SECTION */
  7990. /******************************************************************/
  7991. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7992. struct link_params *params, u8 mode)
  7993. {
  7994. struct bnx2x *bp = params->bp;
  7995. u16 led_mode_bitmask = 0;
  7996. u16 gpio_pins_bitmask = 0;
  7997. u16 val;
  7998. /* Only NOC flavor requires to set the LED specifically */
  7999. if (!(phy->flags & FLAGS_NOC))
  8000. return;
  8001. switch (mode) {
  8002. case LED_MODE_FRONT_PANEL_OFF:
  8003. case LED_MODE_OFF:
  8004. led_mode_bitmask = 0;
  8005. gpio_pins_bitmask = 0x03;
  8006. break;
  8007. case LED_MODE_ON:
  8008. led_mode_bitmask = 0;
  8009. gpio_pins_bitmask = 0x02;
  8010. break;
  8011. case LED_MODE_OPER:
  8012. led_mode_bitmask = 0x60;
  8013. gpio_pins_bitmask = 0x11;
  8014. break;
  8015. }
  8016. bnx2x_cl45_read(bp, phy,
  8017. MDIO_PMA_DEVAD,
  8018. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8019. &val);
  8020. val &= 0xff8f;
  8021. val |= led_mode_bitmask;
  8022. bnx2x_cl45_write(bp, phy,
  8023. MDIO_PMA_DEVAD,
  8024. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8025. val);
  8026. bnx2x_cl45_read(bp, phy,
  8027. MDIO_PMA_DEVAD,
  8028. MDIO_PMA_REG_8727_GPIO_CTRL,
  8029. &val);
  8030. val &= 0xffe0;
  8031. val |= gpio_pins_bitmask;
  8032. bnx2x_cl45_write(bp, phy,
  8033. MDIO_PMA_DEVAD,
  8034. MDIO_PMA_REG_8727_GPIO_CTRL,
  8035. val);
  8036. }
  8037. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  8038. struct link_params *params) {
  8039. u32 swap_val, swap_override;
  8040. u8 port;
  8041. /* The PHY reset is controlled by GPIO 1. Fake the port number
  8042. * to cancel the swap done in set_gpio()
  8043. */
  8044. struct bnx2x *bp = params->bp;
  8045. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  8046. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  8047. port = (swap_val && swap_override) ^ 1;
  8048. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  8049. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  8050. }
  8051. static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
  8052. struct link_params *params)
  8053. {
  8054. struct bnx2x *bp = params->bp;
  8055. u16 tmp1, val;
  8056. /* Set option 1G speed */
  8057. if ((phy->req_line_speed == SPEED_1000) ||
  8058. (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
  8059. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  8060. bnx2x_cl45_write(bp, phy,
  8061. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  8062. bnx2x_cl45_write(bp, phy,
  8063. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  8064. bnx2x_cl45_read(bp, phy,
  8065. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  8066. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  8067. /* Power down the XAUI until link is up in case of dual-media
  8068. * and 1G
  8069. */
  8070. if (DUAL_MEDIA(params)) {
  8071. bnx2x_cl45_read(bp, phy,
  8072. MDIO_PMA_DEVAD,
  8073. MDIO_PMA_REG_8727_PCS_GP, &val);
  8074. val |= (3<<10);
  8075. bnx2x_cl45_write(bp, phy,
  8076. MDIO_PMA_DEVAD,
  8077. MDIO_PMA_REG_8727_PCS_GP, val);
  8078. }
  8079. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8080. ((phy->speed_cap_mask &
  8081. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  8082. ((phy->speed_cap_mask &
  8083. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  8084. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  8085. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  8086. bnx2x_cl45_write(bp, phy,
  8087. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  8088. bnx2x_cl45_write(bp, phy,
  8089. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  8090. } else {
  8091. /* Since the 8727 has only single reset pin, need to set the 10G
  8092. * registers although it is default
  8093. */
  8094. bnx2x_cl45_write(bp, phy,
  8095. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  8096. 0x0020);
  8097. bnx2x_cl45_write(bp, phy,
  8098. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  8099. bnx2x_cl45_write(bp, phy,
  8100. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  8101. bnx2x_cl45_write(bp, phy,
  8102. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  8103. 0x0008);
  8104. }
  8105. }
  8106. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  8107. struct link_params *params,
  8108. struct link_vars *vars)
  8109. {
  8110. u32 tx_en_mode;
  8111. u16 tmp1, mod_abs, tmp2;
  8112. struct bnx2x *bp = params->bp;
  8113. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  8114. bnx2x_wait_reset_complete(bp, phy, params);
  8115. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  8116. bnx2x_8727_specific_func(phy, params, PHY_INIT);
  8117. /* Initially configure MOD_ABS to interrupt when module is
  8118. * presence( bit 8)
  8119. */
  8120. bnx2x_cl45_read(bp, phy,
  8121. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8122. /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
  8123. * When the EDC is off it locks onto a reference clock and avoids
  8124. * becoming 'lost'
  8125. */
  8126. mod_abs &= ~(1<<8);
  8127. if (!(phy->flags & FLAGS_NOC))
  8128. mod_abs &= ~(1<<9);
  8129. bnx2x_cl45_write(bp, phy,
  8130. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8131. /* Enable/Disable PHY transmitter output */
  8132. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  8133. bnx2x_8727_power_module(bp, phy, 1);
  8134. bnx2x_cl45_read(bp, phy,
  8135. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  8136. bnx2x_cl45_read(bp, phy,
  8137. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  8138. bnx2x_8727_config_speed(phy, params);
  8139. /* Set TX PreEmphasis if needed */
  8140. if ((params->feature_config_flags &
  8141. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8142. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8143. phy->tx_preemphasis[0],
  8144. phy->tx_preemphasis[1]);
  8145. bnx2x_cl45_write(bp, phy,
  8146. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  8147. phy->tx_preemphasis[0]);
  8148. bnx2x_cl45_write(bp, phy,
  8149. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  8150. phy->tx_preemphasis[1]);
  8151. }
  8152. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  8153. * power mode, if TX Laser is disabled
  8154. */
  8155. tx_en_mode = REG_RD(bp, params->shmem_base +
  8156. offsetof(struct shmem_region,
  8157. dev_info.port_hw_config[params->port].sfp_ctrl))
  8158. & PORT_HW_CFG_TX_LASER_MASK;
  8159. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  8160. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  8161. bnx2x_cl45_read(bp, phy,
  8162. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  8163. tmp2 |= 0x1000;
  8164. tmp2 &= 0xFFEF;
  8165. bnx2x_cl45_write(bp, phy,
  8166. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  8167. bnx2x_cl45_read(bp, phy,
  8168. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8169. &tmp2);
  8170. bnx2x_cl45_write(bp, phy,
  8171. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8172. (tmp2 & 0x7fff));
  8173. }
  8174. return 0;
  8175. }
  8176. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  8177. struct link_params *params)
  8178. {
  8179. struct bnx2x *bp = params->bp;
  8180. u16 mod_abs, rx_alarm_status;
  8181. u32 val = REG_RD(bp, params->shmem_base +
  8182. offsetof(struct shmem_region, dev_info.
  8183. port_feature_config[params->port].
  8184. config));
  8185. bnx2x_cl45_read(bp, phy,
  8186. MDIO_PMA_DEVAD,
  8187. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8188. if (mod_abs & (1<<8)) {
  8189. /* Module is absent */
  8190. DP(NETIF_MSG_LINK,
  8191. "MOD_ABS indication show module is absent\n");
  8192. phy->media_type = ETH_PHY_NOT_PRESENT;
  8193. /* 1. Set mod_abs to detect next module
  8194. * presence event
  8195. * 2. Set EDC off by setting OPTXLOS signal input to low
  8196. * (bit 9).
  8197. * When the EDC is off it locks onto a reference clock and
  8198. * avoids becoming 'lost'.
  8199. */
  8200. mod_abs &= ~(1<<8);
  8201. if (!(phy->flags & FLAGS_NOC))
  8202. mod_abs &= ~(1<<9);
  8203. bnx2x_cl45_write(bp, phy,
  8204. MDIO_PMA_DEVAD,
  8205. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8206. /* Clear RX alarm since it stays up as long as
  8207. * the mod_abs wasn't changed
  8208. */
  8209. bnx2x_cl45_read(bp, phy,
  8210. MDIO_PMA_DEVAD,
  8211. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8212. } else {
  8213. /* Module is present */
  8214. DP(NETIF_MSG_LINK,
  8215. "MOD_ABS indication show module is present\n");
  8216. /* First disable transmitter, and if the module is ok, the
  8217. * module_detection will enable it
  8218. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8219. * 2. Restore the default polarity of the OPRXLOS signal and
  8220. * this signal will then correctly indicate the presence or
  8221. * absence of the Rx signal. (bit 9)
  8222. */
  8223. mod_abs |= (1<<8);
  8224. if (!(phy->flags & FLAGS_NOC))
  8225. mod_abs |= (1<<9);
  8226. bnx2x_cl45_write(bp, phy,
  8227. MDIO_PMA_DEVAD,
  8228. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8229. /* Clear RX alarm since it stays up as long as the mod_abs
  8230. * wasn't changed. This is need to be done before calling the
  8231. * module detection, otherwise it will clear* the link update
  8232. * alarm
  8233. */
  8234. bnx2x_cl45_read(bp, phy,
  8235. MDIO_PMA_DEVAD,
  8236. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8237. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8238. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8239. bnx2x_sfp_set_transmitter(params, phy, 0);
  8240. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8241. bnx2x_sfp_module_detection(phy, params);
  8242. else
  8243. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8244. /* Reconfigure link speed based on module type limitations */
  8245. bnx2x_8727_config_speed(phy, params);
  8246. }
  8247. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8248. rx_alarm_status);
  8249. /* No need to check link status in case of module plugged in/out */
  8250. }
  8251. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8252. struct link_params *params,
  8253. struct link_vars *vars)
  8254. {
  8255. struct bnx2x *bp = params->bp;
  8256. u8 link_up = 0, oc_port = params->port;
  8257. u16 link_status = 0;
  8258. u16 rx_alarm_status, lasi_ctrl, val1;
  8259. /* If PHY is not initialized, do not check link status */
  8260. bnx2x_cl45_read(bp, phy,
  8261. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8262. &lasi_ctrl);
  8263. if (!lasi_ctrl)
  8264. return 0;
  8265. /* Check the LASI on Rx */
  8266. bnx2x_cl45_read(bp, phy,
  8267. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8268. &rx_alarm_status);
  8269. vars->line_speed = 0;
  8270. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8271. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8272. MDIO_PMA_LASI_TXCTRL);
  8273. bnx2x_cl45_read(bp, phy,
  8274. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8275. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8276. /* Clear MSG-OUT */
  8277. bnx2x_cl45_read(bp, phy,
  8278. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8279. /* If a module is present and there is need to check
  8280. * for over current
  8281. */
  8282. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8283. /* Check over-current using 8727 GPIO0 input*/
  8284. bnx2x_cl45_read(bp, phy,
  8285. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8286. &val1);
  8287. if ((val1 & (1<<8)) == 0) {
  8288. if (!CHIP_IS_E1x(bp))
  8289. oc_port = BP_PATH(bp) + (params->port << 1);
  8290. DP(NETIF_MSG_LINK,
  8291. "8727 Power fault has been detected on port %d\n",
  8292. oc_port);
  8293. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8294. "been detected and the power to "
  8295. "that SFP+ module has been removed "
  8296. "to prevent failure of the card. "
  8297. "Please remove the SFP+ module and "
  8298. "restart the system to clear this "
  8299. "error.\n",
  8300. oc_port);
  8301. /* Disable all RX_ALARMs except for mod_abs */
  8302. bnx2x_cl45_write(bp, phy,
  8303. MDIO_PMA_DEVAD,
  8304. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8305. bnx2x_cl45_read(bp, phy,
  8306. MDIO_PMA_DEVAD,
  8307. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8308. /* Wait for module_absent_event */
  8309. val1 |= (1<<8);
  8310. bnx2x_cl45_write(bp, phy,
  8311. MDIO_PMA_DEVAD,
  8312. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8313. /* Clear RX alarm */
  8314. bnx2x_cl45_read(bp, phy,
  8315. MDIO_PMA_DEVAD,
  8316. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8317. bnx2x_8727_power_module(params->bp, phy, 0);
  8318. return 0;
  8319. }
  8320. } /* Over current check */
  8321. /* When module absent bit is set, check module */
  8322. if (rx_alarm_status & (1<<5)) {
  8323. bnx2x_8727_handle_mod_abs(phy, params);
  8324. /* Enable all mod_abs and link detection bits */
  8325. bnx2x_cl45_write(bp, phy,
  8326. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8327. ((1<<5) | (1<<2)));
  8328. }
  8329. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  8330. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
  8331. bnx2x_sfp_set_transmitter(params, phy, 1);
  8332. } else {
  8333. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8334. return 0;
  8335. }
  8336. bnx2x_cl45_read(bp, phy,
  8337. MDIO_PMA_DEVAD,
  8338. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8339. /* Bits 0..2 --> speed detected,
  8340. * Bits 13..15--> link is down
  8341. */
  8342. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8343. link_up = 1;
  8344. vars->line_speed = SPEED_10000;
  8345. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8346. params->port);
  8347. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8348. link_up = 1;
  8349. vars->line_speed = SPEED_1000;
  8350. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8351. params->port);
  8352. } else {
  8353. link_up = 0;
  8354. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8355. params->port);
  8356. }
  8357. /* Capture 10G link fault. */
  8358. if (vars->line_speed == SPEED_10000) {
  8359. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8360. MDIO_PMA_LASI_TXSTAT, &val1);
  8361. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8362. MDIO_PMA_LASI_TXSTAT, &val1);
  8363. if (val1 & (1<<0)) {
  8364. vars->fault_detected = 1;
  8365. }
  8366. }
  8367. if (link_up) {
  8368. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8369. vars->duplex = DUPLEX_FULL;
  8370. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8371. }
  8372. if ((DUAL_MEDIA(params)) &&
  8373. (phy->req_line_speed == SPEED_1000)) {
  8374. bnx2x_cl45_read(bp, phy,
  8375. MDIO_PMA_DEVAD,
  8376. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8377. /* In case of dual-media board and 1G, power up the XAUI side,
  8378. * otherwise power it down. For 10G it is done automatically
  8379. */
  8380. if (link_up)
  8381. val1 &= ~(3<<10);
  8382. else
  8383. val1 |= (3<<10);
  8384. bnx2x_cl45_write(bp, phy,
  8385. MDIO_PMA_DEVAD,
  8386. MDIO_PMA_REG_8727_PCS_GP, val1);
  8387. }
  8388. return link_up;
  8389. }
  8390. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8391. struct link_params *params)
  8392. {
  8393. struct bnx2x *bp = params->bp;
  8394. /* Enable/Disable PHY transmitter output */
  8395. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8396. /* Disable Transmitter */
  8397. bnx2x_sfp_set_transmitter(params, phy, 0);
  8398. /* Clear LASI */
  8399. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8400. }
  8401. /******************************************************************/
  8402. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8403. /******************************************************************/
  8404. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8405. struct bnx2x *bp,
  8406. u8 port)
  8407. {
  8408. u16 val, fw_ver1, fw_ver2, cnt;
  8409. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8410. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8411. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8412. bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
  8413. phy->ver_addr);
  8414. } else {
  8415. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8416. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8417. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  8418. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8419. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  8420. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  8421. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  8422. for (cnt = 0; cnt < 100; cnt++) {
  8423. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8424. if (val & 1)
  8425. break;
  8426. udelay(5);
  8427. }
  8428. if (cnt == 100) {
  8429. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8430. "phy fw version(1)\n");
  8431. bnx2x_save_spirom_version(bp, port, 0,
  8432. phy->ver_addr);
  8433. return;
  8434. }
  8435. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8436. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8437. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8438. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8439. for (cnt = 0; cnt < 100; cnt++) {
  8440. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8441. if (val & 1)
  8442. break;
  8443. udelay(5);
  8444. }
  8445. if (cnt == 100) {
  8446. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8447. "version(2)\n");
  8448. bnx2x_save_spirom_version(bp, port, 0,
  8449. phy->ver_addr);
  8450. return;
  8451. }
  8452. /* lower 16 bits of the register SPI_FW_STATUS */
  8453. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8454. /* upper 16 bits of register SPI_FW_STATUS */
  8455. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8456. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8457. phy->ver_addr);
  8458. }
  8459. }
  8460. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8461. struct bnx2x_phy *phy)
  8462. {
  8463. u16 val, offset;
  8464. /* PHYC_CTL_LED_CTL */
  8465. bnx2x_cl45_read(bp, phy,
  8466. MDIO_PMA_DEVAD,
  8467. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8468. val &= 0xFE00;
  8469. val |= 0x0092;
  8470. bnx2x_cl45_write(bp, phy,
  8471. MDIO_PMA_DEVAD,
  8472. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8473. bnx2x_cl45_write(bp, phy,
  8474. MDIO_PMA_DEVAD,
  8475. MDIO_PMA_REG_8481_LED1_MASK,
  8476. 0x80);
  8477. bnx2x_cl45_write(bp, phy,
  8478. MDIO_PMA_DEVAD,
  8479. MDIO_PMA_REG_8481_LED2_MASK,
  8480. 0x18);
  8481. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  8482. bnx2x_cl45_write(bp, phy,
  8483. MDIO_PMA_DEVAD,
  8484. MDIO_PMA_REG_8481_LED3_MASK,
  8485. 0x0006);
  8486. /* Select the closest activity blink rate to that in 10/100/1000 */
  8487. bnx2x_cl45_write(bp, phy,
  8488. MDIO_PMA_DEVAD,
  8489. MDIO_PMA_REG_8481_LED3_BLINK,
  8490. 0);
  8491. /* Configure the blink rate to ~15.9 Hz */
  8492. bnx2x_cl45_write(bp, phy,
  8493. MDIO_PMA_DEVAD,
  8494. MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8495. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
  8496. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8497. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
  8498. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8499. else
  8500. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8501. bnx2x_cl45_read(bp, phy,
  8502. MDIO_PMA_DEVAD, offset, &val);
  8503. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  8504. bnx2x_cl45_write(bp, phy,
  8505. MDIO_PMA_DEVAD, offset, val);
  8506. /* 'Interrupt Mask' */
  8507. bnx2x_cl45_write(bp, phy,
  8508. MDIO_AN_DEVAD,
  8509. 0xFFFB, 0xFFFD);
  8510. }
  8511. static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
  8512. struct link_params *params,
  8513. u32 action)
  8514. {
  8515. struct bnx2x *bp = params->bp;
  8516. switch (action) {
  8517. case PHY_INIT:
  8518. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8519. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8520. /* Save spirom version */
  8521. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8522. }
  8523. /* This phy uses the NIG latch mechanism since link indication
  8524. * arrives through its LED4 and not via its LASI signal, so we
  8525. * get steady signal instead of clear on read
  8526. */
  8527. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8528. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8529. bnx2x_848xx_set_led(bp, phy);
  8530. break;
  8531. }
  8532. }
  8533. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8534. struct link_params *params,
  8535. struct link_vars *vars)
  8536. {
  8537. struct bnx2x *bp = params->bp;
  8538. u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
  8539. bnx2x_848xx_specific_func(phy, params, PHY_INIT);
  8540. bnx2x_cl45_write(bp, phy,
  8541. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8542. /* set 1000 speed advertisement */
  8543. bnx2x_cl45_read(bp, phy,
  8544. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8545. &an_1000_val);
  8546. bnx2x_ext_phy_set_pause(params, phy, vars);
  8547. bnx2x_cl45_read(bp, phy,
  8548. MDIO_AN_DEVAD,
  8549. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8550. &an_10_100_val);
  8551. bnx2x_cl45_read(bp, phy,
  8552. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8553. &autoneg_val);
  8554. /* Disable forced speed */
  8555. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8556. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8557. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8558. (phy->speed_cap_mask &
  8559. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8560. (phy->req_line_speed == SPEED_1000)) {
  8561. an_1000_val |= (1<<8);
  8562. autoneg_val |= (1<<9 | 1<<12);
  8563. if (phy->req_duplex == DUPLEX_FULL)
  8564. an_1000_val |= (1<<9);
  8565. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8566. } else
  8567. an_1000_val &= ~((1<<8) | (1<<9));
  8568. bnx2x_cl45_write(bp, phy,
  8569. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8570. an_1000_val);
  8571. /* set 100 speed advertisement */
  8572. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8573. (phy->speed_cap_mask &
  8574. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8575. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
  8576. an_10_100_val |= (1<<7);
  8577. /* Enable autoneg and restart autoneg for legacy speeds */
  8578. autoneg_val |= (1<<9 | 1<<12);
  8579. if (phy->req_duplex == DUPLEX_FULL)
  8580. an_10_100_val |= (1<<8);
  8581. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8582. }
  8583. /* set 10 speed advertisement */
  8584. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8585. (phy->speed_cap_mask &
  8586. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8587. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8588. (phy->supported &
  8589. (SUPPORTED_10baseT_Half |
  8590. SUPPORTED_10baseT_Full)))) {
  8591. an_10_100_val |= (1<<5);
  8592. autoneg_val |= (1<<9 | 1<<12);
  8593. if (phy->req_duplex == DUPLEX_FULL)
  8594. an_10_100_val |= (1<<6);
  8595. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8596. }
  8597. /* Only 10/100 are allowed to work in FORCE mode */
  8598. if ((phy->req_line_speed == SPEED_100) &&
  8599. (phy->supported &
  8600. (SUPPORTED_100baseT_Half |
  8601. SUPPORTED_100baseT_Full))) {
  8602. autoneg_val |= (1<<13);
  8603. /* Enabled AUTO-MDIX when autoneg is disabled */
  8604. bnx2x_cl45_write(bp, phy,
  8605. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8606. (1<<15 | 1<<9 | 7<<0));
  8607. /* The PHY needs this set even for forced link. */
  8608. an_10_100_val |= (1<<8) | (1<<7);
  8609. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8610. }
  8611. if ((phy->req_line_speed == SPEED_10) &&
  8612. (phy->supported &
  8613. (SUPPORTED_10baseT_Half |
  8614. SUPPORTED_10baseT_Full))) {
  8615. /* Enabled AUTO-MDIX when autoneg is disabled */
  8616. bnx2x_cl45_write(bp, phy,
  8617. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8618. (1<<15 | 1<<9 | 7<<0));
  8619. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8620. }
  8621. bnx2x_cl45_write(bp, phy,
  8622. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8623. an_10_100_val);
  8624. if (phy->req_duplex == DUPLEX_FULL)
  8625. autoneg_val |= (1<<8);
  8626. /* Always write this if this is not 84833/4.
  8627. * For 84833/4, write it only when it's a forced speed.
  8628. */
  8629. if (((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8630. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) ||
  8631. ((autoneg_val & (1<<12)) == 0))
  8632. bnx2x_cl45_write(bp, phy,
  8633. MDIO_AN_DEVAD,
  8634. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8635. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8636. (phy->speed_cap_mask &
  8637. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8638. (phy->req_line_speed == SPEED_10000)) {
  8639. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8640. /* Restart autoneg for 10G*/
  8641. bnx2x_cl45_read(bp, phy,
  8642. MDIO_AN_DEVAD,
  8643. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8644. &an_10g_val);
  8645. bnx2x_cl45_write(bp, phy,
  8646. MDIO_AN_DEVAD,
  8647. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8648. an_10g_val | 0x1000);
  8649. bnx2x_cl45_write(bp, phy,
  8650. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8651. 0x3200);
  8652. } else
  8653. bnx2x_cl45_write(bp, phy,
  8654. MDIO_AN_DEVAD,
  8655. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8656. 1);
  8657. return 0;
  8658. }
  8659. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8660. struct link_params *params,
  8661. struct link_vars *vars)
  8662. {
  8663. struct bnx2x *bp = params->bp;
  8664. /* Restore normal power mode*/
  8665. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8666. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8667. /* HW reset */
  8668. bnx2x_ext_phy_hw_reset(bp, params->port);
  8669. bnx2x_wait_reset_complete(bp, phy, params);
  8670. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8671. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8672. }
  8673. #define PHY84833_CMDHDLR_WAIT 300
  8674. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8675. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8676. struct link_params *params,
  8677. u16 fw_cmd,
  8678. u16 cmd_args[], int argc)
  8679. {
  8680. int idx;
  8681. u16 val;
  8682. struct bnx2x *bp = params->bp;
  8683. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8684. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8685. MDIO_84833_CMD_HDLR_STATUS,
  8686. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8687. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8688. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8689. MDIO_84833_CMD_HDLR_STATUS, &val);
  8690. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8691. break;
  8692. usleep_range(1000, 2000);
  8693. }
  8694. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8695. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8696. return -EINVAL;
  8697. }
  8698. /* Prepare argument(s) and issue command */
  8699. for (idx = 0; idx < argc; idx++) {
  8700. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8701. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8702. cmd_args[idx]);
  8703. }
  8704. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8705. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8706. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8707. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8708. MDIO_84833_CMD_HDLR_STATUS, &val);
  8709. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8710. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8711. break;
  8712. usleep_range(1000, 2000);
  8713. }
  8714. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8715. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8716. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8717. return -EINVAL;
  8718. }
  8719. /* Gather returning data */
  8720. for (idx = 0; idx < argc; idx++) {
  8721. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8722. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8723. &cmd_args[idx]);
  8724. }
  8725. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8726. MDIO_84833_CMD_HDLR_STATUS,
  8727. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8728. return 0;
  8729. }
  8730. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8731. struct link_params *params,
  8732. struct link_vars *vars)
  8733. {
  8734. u32 pair_swap;
  8735. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8736. int status;
  8737. struct bnx2x *bp = params->bp;
  8738. /* Check for configuration. */
  8739. pair_swap = REG_RD(bp, params->shmem_base +
  8740. offsetof(struct shmem_region,
  8741. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8742. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8743. if (pair_swap == 0)
  8744. return 0;
  8745. /* Only the second argument is used for this command */
  8746. data[1] = (u16)pair_swap;
  8747. status = bnx2x_84833_cmd_hdlr(phy, params,
  8748. PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
  8749. if (status == 0)
  8750. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8751. return status;
  8752. }
  8753. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8754. u32 shmem_base_path[],
  8755. u32 chip_id)
  8756. {
  8757. u32 reset_pin[2];
  8758. u32 idx;
  8759. u8 reset_gpios;
  8760. if (CHIP_IS_E3(bp)) {
  8761. /* Assume that these will be GPIOs, not EPIOs. */
  8762. for (idx = 0; idx < 2; idx++) {
  8763. /* Map config param to register bit. */
  8764. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8765. offsetof(struct shmem_region,
  8766. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8767. reset_pin[idx] = (reset_pin[idx] &
  8768. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8769. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8770. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8771. reset_pin[idx] = (1 << reset_pin[idx]);
  8772. }
  8773. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8774. } else {
  8775. /* E2, look from diff place of shmem. */
  8776. for (idx = 0; idx < 2; idx++) {
  8777. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8778. offsetof(struct shmem_region,
  8779. dev_info.port_hw_config[0].default_cfg));
  8780. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8781. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8782. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8783. reset_pin[idx] = (1 << reset_pin[idx]);
  8784. }
  8785. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8786. }
  8787. return reset_gpios;
  8788. }
  8789. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8790. struct link_params *params)
  8791. {
  8792. struct bnx2x *bp = params->bp;
  8793. u8 reset_gpios;
  8794. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8795. offsetof(struct shmem2_region,
  8796. other_shmem_base_addr));
  8797. u32 shmem_base_path[2];
  8798. /* Work around for 84833 LED failure inside RESET status */
  8799. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8800. MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8801. MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
  8802. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8803. MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
  8804. MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
  8805. shmem_base_path[0] = params->shmem_base;
  8806. shmem_base_path[1] = other_shmem_base_addr;
  8807. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8808. params->chip_id);
  8809. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8810. udelay(10);
  8811. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8812. reset_gpios);
  8813. return 0;
  8814. }
  8815. static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
  8816. struct link_params *params,
  8817. struct link_vars *vars)
  8818. {
  8819. int rc;
  8820. struct bnx2x *bp = params->bp;
  8821. u16 cmd_args = 0;
  8822. DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
  8823. /* Prevent Phy from working in EEE and advertising it */
  8824. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8825. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8826. if (rc) {
  8827. DP(NETIF_MSG_LINK, "EEE disable failed.\n");
  8828. return rc;
  8829. }
  8830. return bnx2x_eee_disable(phy, params, vars);
  8831. }
  8832. static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
  8833. struct link_params *params,
  8834. struct link_vars *vars)
  8835. {
  8836. int rc;
  8837. struct bnx2x *bp = params->bp;
  8838. u16 cmd_args = 1;
  8839. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8840. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8841. if (rc) {
  8842. DP(NETIF_MSG_LINK, "EEE enable failed.\n");
  8843. return rc;
  8844. }
  8845. return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
  8846. }
  8847. #define PHY84833_CONSTANT_LATENCY 1193
  8848. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8849. struct link_params *params,
  8850. struct link_vars *vars)
  8851. {
  8852. struct bnx2x *bp = params->bp;
  8853. u8 port, initialize = 1;
  8854. u16 val;
  8855. u32 actual_phy_selection, cms_enable;
  8856. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8857. int rc = 0;
  8858. usleep_range(1000, 2000);
  8859. if (!(CHIP_IS_E1x(bp)))
  8860. port = BP_PATH(bp);
  8861. else
  8862. port = params->port;
  8863. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8864. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8865. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8866. port);
  8867. } else {
  8868. /* MDIO reset */
  8869. bnx2x_cl45_write(bp, phy,
  8870. MDIO_PMA_DEVAD,
  8871. MDIO_PMA_REG_CTRL, 0x8000);
  8872. }
  8873. bnx2x_wait_reset_complete(bp, phy, params);
  8874. /* Wait for GPHY to come out of reset */
  8875. msleep(50);
  8876. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8877. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8878. /* BCM84823 requires that XGXS links up first @ 10G for normal
  8879. * behavior.
  8880. */
  8881. u16 temp;
  8882. temp = vars->line_speed;
  8883. vars->line_speed = SPEED_10000;
  8884. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8885. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8886. vars->line_speed = temp;
  8887. }
  8888. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8889. MDIO_CTL_REG_84823_MEDIA, &val);
  8890. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8891. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8892. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8893. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8894. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8895. if (CHIP_IS_E3(bp)) {
  8896. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8897. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8898. } else {
  8899. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8900. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8901. }
  8902. actual_phy_selection = bnx2x_phy_selection(params);
  8903. switch (actual_phy_selection) {
  8904. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8905. /* Do nothing. Essentially this is like the priority copper */
  8906. break;
  8907. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8908. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8909. break;
  8910. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8911. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8912. break;
  8913. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8914. /* Do nothing here. The first PHY won't be initialized at all */
  8915. break;
  8916. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8917. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8918. initialize = 0;
  8919. break;
  8920. }
  8921. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8922. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8923. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8924. MDIO_CTL_REG_84823_MEDIA, val);
  8925. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8926. params->multi_phy_config, val);
  8927. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8928. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8929. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8930. /* Keep AutogrEEEn disabled. */
  8931. cmd_args[0] = 0x0;
  8932. cmd_args[1] = 0x0;
  8933. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8934. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8935. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8936. PHY84833_CMD_SET_EEE_MODE, cmd_args,
  8937. PHY84833_CMDHDLR_MAX_ARGS);
  8938. if (rc)
  8939. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  8940. }
  8941. if (initialize)
  8942. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8943. else
  8944. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8945. /* 84833 PHY has a better feature and doesn't need to support this. */
  8946. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8947. cms_enable = REG_RD(bp, params->shmem_base +
  8948. offsetof(struct shmem_region,
  8949. dev_info.port_hw_config[params->port].default_cfg)) &
  8950. PORT_HW_CFG_ENABLE_CMS_MASK;
  8951. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8952. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8953. if (cms_enable)
  8954. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8955. else
  8956. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8957. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8958. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8959. }
  8960. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8961. MDIO_84833_TOP_CFG_FW_REV, &val);
  8962. /* Configure EEE support */
  8963. if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
  8964. (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
  8965. bnx2x_eee_has_cap(params)) {
  8966. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
  8967. if (rc) {
  8968. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  8969. bnx2x_8483x_disable_eee(phy, params, vars);
  8970. return rc;
  8971. }
  8972. if ((params->req_duplex[actual_phy_selection] == DUPLEX_FULL) &&
  8973. (params->eee_mode & EEE_MODE_ADV_LPI) &&
  8974. (bnx2x_eee_calc_timer(params) ||
  8975. !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
  8976. rc = bnx2x_8483x_enable_eee(phy, params, vars);
  8977. else
  8978. rc = bnx2x_8483x_disable_eee(phy, params, vars);
  8979. if (rc) {
  8980. DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
  8981. return rc;
  8982. }
  8983. } else {
  8984. vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
  8985. }
  8986. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8987. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8988. /* Bring PHY out of super isolate mode as the final step. */
  8989. bnx2x_cl45_read(bp, phy,
  8990. MDIO_CTL_DEVAD,
  8991. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8992. val &= ~MDIO_84833_SUPER_ISOLATE;
  8993. bnx2x_cl45_write(bp, phy,
  8994. MDIO_CTL_DEVAD,
  8995. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8996. }
  8997. return rc;
  8998. }
  8999. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  9000. struct link_params *params,
  9001. struct link_vars *vars)
  9002. {
  9003. struct bnx2x *bp = params->bp;
  9004. u16 val, val1, val2;
  9005. u8 link_up = 0;
  9006. /* Check 10G-BaseT link status */
  9007. /* Check PMD signal ok */
  9008. bnx2x_cl45_read(bp, phy,
  9009. MDIO_AN_DEVAD, 0xFFFA, &val1);
  9010. bnx2x_cl45_read(bp, phy,
  9011. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  9012. &val2);
  9013. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  9014. /* Check link 10G */
  9015. if (val2 & (1<<11)) {
  9016. vars->line_speed = SPEED_10000;
  9017. vars->duplex = DUPLEX_FULL;
  9018. link_up = 1;
  9019. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9020. } else { /* Check Legacy speed link */
  9021. u16 legacy_status, legacy_speed;
  9022. /* Enable expansion register 0x42 (Operation mode status) */
  9023. bnx2x_cl45_write(bp, phy,
  9024. MDIO_AN_DEVAD,
  9025. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  9026. /* Get legacy speed operation status */
  9027. bnx2x_cl45_read(bp, phy,
  9028. MDIO_AN_DEVAD,
  9029. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  9030. &legacy_status);
  9031. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  9032. legacy_status);
  9033. link_up = ((legacy_status & (1<<11)) == (1<<11));
  9034. legacy_speed = (legacy_status & (3<<9));
  9035. if (legacy_speed == (0<<9))
  9036. vars->line_speed = SPEED_10;
  9037. else if (legacy_speed == (1<<9))
  9038. vars->line_speed = SPEED_100;
  9039. else if (legacy_speed == (2<<9))
  9040. vars->line_speed = SPEED_1000;
  9041. else { /* Should not happen: Treat as link down */
  9042. vars->line_speed = 0;
  9043. link_up = 0;
  9044. }
  9045. if (link_up) {
  9046. if (legacy_status & (1<<8))
  9047. vars->duplex = DUPLEX_FULL;
  9048. else
  9049. vars->duplex = DUPLEX_HALF;
  9050. DP(NETIF_MSG_LINK,
  9051. "Link is up in %dMbps, is_duplex_full= %d\n",
  9052. vars->line_speed,
  9053. (vars->duplex == DUPLEX_FULL));
  9054. /* Check legacy speed AN resolution */
  9055. bnx2x_cl45_read(bp, phy,
  9056. MDIO_AN_DEVAD,
  9057. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  9058. &val);
  9059. if (val & (1<<5))
  9060. vars->link_status |=
  9061. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9062. bnx2x_cl45_read(bp, phy,
  9063. MDIO_AN_DEVAD,
  9064. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  9065. &val);
  9066. if ((val & (1<<0)) == 0)
  9067. vars->link_status |=
  9068. LINK_STATUS_PARALLEL_DETECTION_USED;
  9069. }
  9070. }
  9071. if (link_up) {
  9072. DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
  9073. vars->line_speed);
  9074. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9075. /* Read LP advertised speeds */
  9076. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9077. MDIO_AN_REG_CL37_FC_LP, &val);
  9078. if (val & (1<<5))
  9079. vars->link_status |=
  9080. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9081. if (val & (1<<6))
  9082. vars->link_status |=
  9083. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9084. if (val & (1<<7))
  9085. vars->link_status |=
  9086. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9087. if (val & (1<<8))
  9088. vars->link_status |=
  9089. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9090. if (val & (1<<9))
  9091. vars->link_status |=
  9092. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9093. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9094. MDIO_AN_REG_1000T_STATUS, &val);
  9095. if (val & (1<<10))
  9096. vars->link_status |=
  9097. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9098. if (val & (1<<11))
  9099. vars->link_status |=
  9100. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9101. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9102. MDIO_AN_REG_MASTER_STATUS, &val);
  9103. if (val & (1<<11))
  9104. vars->link_status |=
  9105. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9106. /* Determine if EEE was negotiated */
  9107. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  9108. bnx2x_eee_an_resolve(phy, params, vars);
  9109. }
  9110. return link_up;
  9111. }
  9112. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  9113. {
  9114. int status = 0;
  9115. u32 spirom_ver;
  9116. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  9117. status = bnx2x_format_ver(spirom_ver, str, len);
  9118. return status;
  9119. }
  9120. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  9121. struct link_params *params)
  9122. {
  9123. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9124. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  9125. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9126. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  9127. }
  9128. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  9129. struct link_params *params)
  9130. {
  9131. bnx2x_cl45_write(params->bp, phy,
  9132. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  9133. bnx2x_cl45_write(params->bp, phy,
  9134. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  9135. }
  9136. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  9137. struct link_params *params)
  9138. {
  9139. struct bnx2x *bp = params->bp;
  9140. u8 port;
  9141. u16 val16;
  9142. if (!(CHIP_IS_E1x(bp)))
  9143. port = BP_PATH(bp);
  9144. else
  9145. port = params->port;
  9146. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9147. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  9148. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  9149. port);
  9150. } else {
  9151. bnx2x_cl45_read(bp, phy,
  9152. MDIO_CTL_DEVAD,
  9153. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  9154. val16 |= MDIO_84833_SUPER_ISOLATE;
  9155. bnx2x_cl45_write(bp, phy,
  9156. MDIO_CTL_DEVAD,
  9157. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  9158. }
  9159. }
  9160. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  9161. struct link_params *params, u8 mode)
  9162. {
  9163. struct bnx2x *bp = params->bp;
  9164. u16 val;
  9165. u8 port;
  9166. if (!(CHIP_IS_E1x(bp)))
  9167. port = BP_PATH(bp);
  9168. else
  9169. port = params->port;
  9170. switch (mode) {
  9171. case LED_MODE_OFF:
  9172. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  9173. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9174. SHARED_HW_CFG_LED_EXTPHY1) {
  9175. /* Set LED masks */
  9176. bnx2x_cl45_write(bp, phy,
  9177. MDIO_PMA_DEVAD,
  9178. MDIO_PMA_REG_8481_LED1_MASK,
  9179. 0x0);
  9180. bnx2x_cl45_write(bp, phy,
  9181. MDIO_PMA_DEVAD,
  9182. MDIO_PMA_REG_8481_LED2_MASK,
  9183. 0x0);
  9184. bnx2x_cl45_write(bp, phy,
  9185. MDIO_PMA_DEVAD,
  9186. MDIO_PMA_REG_8481_LED3_MASK,
  9187. 0x0);
  9188. bnx2x_cl45_write(bp, phy,
  9189. MDIO_PMA_DEVAD,
  9190. MDIO_PMA_REG_8481_LED5_MASK,
  9191. 0x0);
  9192. } else {
  9193. bnx2x_cl45_write(bp, phy,
  9194. MDIO_PMA_DEVAD,
  9195. MDIO_PMA_REG_8481_LED1_MASK,
  9196. 0x0);
  9197. }
  9198. break;
  9199. case LED_MODE_FRONT_PANEL_OFF:
  9200. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  9201. port);
  9202. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9203. SHARED_HW_CFG_LED_EXTPHY1) {
  9204. /* Set LED masks */
  9205. bnx2x_cl45_write(bp, phy,
  9206. MDIO_PMA_DEVAD,
  9207. MDIO_PMA_REG_8481_LED1_MASK,
  9208. 0x0);
  9209. bnx2x_cl45_write(bp, phy,
  9210. MDIO_PMA_DEVAD,
  9211. MDIO_PMA_REG_8481_LED2_MASK,
  9212. 0x0);
  9213. bnx2x_cl45_write(bp, phy,
  9214. MDIO_PMA_DEVAD,
  9215. MDIO_PMA_REG_8481_LED3_MASK,
  9216. 0x0);
  9217. bnx2x_cl45_write(bp, phy,
  9218. MDIO_PMA_DEVAD,
  9219. MDIO_PMA_REG_8481_LED5_MASK,
  9220. 0x20);
  9221. } else {
  9222. bnx2x_cl45_write(bp, phy,
  9223. MDIO_PMA_DEVAD,
  9224. MDIO_PMA_REG_8481_LED1_MASK,
  9225. 0x0);
  9226. }
  9227. break;
  9228. case LED_MODE_ON:
  9229. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  9230. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9231. SHARED_HW_CFG_LED_EXTPHY1) {
  9232. /* Set control reg */
  9233. bnx2x_cl45_read(bp, phy,
  9234. MDIO_PMA_DEVAD,
  9235. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9236. &val);
  9237. val &= 0x8000;
  9238. val |= 0x2492;
  9239. bnx2x_cl45_write(bp, phy,
  9240. MDIO_PMA_DEVAD,
  9241. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9242. val);
  9243. /* Set LED masks */
  9244. bnx2x_cl45_write(bp, phy,
  9245. MDIO_PMA_DEVAD,
  9246. MDIO_PMA_REG_8481_LED1_MASK,
  9247. 0x0);
  9248. bnx2x_cl45_write(bp, phy,
  9249. MDIO_PMA_DEVAD,
  9250. MDIO_PMA_REG_8481_LED2_MASK,
  9251. 0x20);
  9252. bnx2x_cl45_write(bp, phy,
  9253. MDIO_PMA_DEVAD,
  9254. MDIO_PMA_REG_8481_LED3_MASK,
  9255. 0x20);
  9256. bnx2x_cl45_write(bp, phy,
  9257. MDIO_PMA_DEVAD,
  9258. MDIO_PMA_REG_8481_LED5_MASK,
  9259. 0x0);
  9260. } else {
  9261. bnx2x_cl45_write(bp, phy,
  9262. MDIO_PMA_DEVAD,
  9263. MDIO_PMA_REG_8481_LED1_MASK,
  9264. 0x20);
  9265. }
  9266. break;
  9267. case LED_MODE_OPER:
  9268. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  9269. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9270. SHARED_HW_CFG_LED_EXTPHY1) {
  9271. /* Set control reg */
  9272. bnx2x_cl45_read(bp, phy,
  9273. MDIO_PMA_DEVAD,
  9274. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9275. &val);
  9276. if (!((val &
  9277. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  9278. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  9279. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  9280. bnx2x_cl45_write(bp, phy,
  9281. MDIO_PMA_DEVAD,
  9282. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9283. 0xa492);
  9284. }
  9285. /* Set LED masks */
  9286. bnx2x_cl45_write(bp, phy,
  9287. MDIO_PMA_DEVAD,
  9288. MDIO_PMA_REG_8481_LED1_MASK,
  9289. 0x10);
  9290. bnx2x_cl45_write(bp, phy,
  9291. MDIO_PMA_DEVAD,
  9292. MDIO_PMA_REG_8481_LED2_MASK,
  9293. 0x80);
  9294. bnx2x_cl45_write(bp, phy,
  9295. MDIO_PMA_DEVAD,
  9296. MDIO_PMA_REG_8481_LED3_MASK,
  9297. 0x98);
  9298. bnx2x_cl45_write(bp, phy,
  9299. MDIO_PMA_DEVAD,
  9300. MDIO_PMA_REG_8481_LED5_MASK,
  9301. 0x40);
  9302. } else {
  9303. bnx2x_cl45_write(bp, phy,
  9304. MDIO_PMA_DEVAD,
  9305. MDIO_PMA_REG_8481_LED1_MASK,
  9306. 0x80);
  9307. /* Tell LED3 to blink on source */
  9308. bnx2x_cl45_read(bp, phy,
  9309. MDIO_PMA_DEVAD,
  9310. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9311. &val);
  9312. val &= ~(7<<6);
  9313. val |= (1<<6); /* A83B[8:6]= 1 */
  9314. bnx2x_cl45_write(bp, phy,
  9315. MDIO_PMA_DEVAD,
  9316. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9317. val);
  9318. }
  9319. break;
  9320. }
  9321. /* This is a workaround for E3+84833 until autoneg
  9322. * restart is fixed in f/w
  9323. */
  9324. if (CHIP_IS_E3(bp)) {
  9325. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9326. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9327. }
  9328. }
  9329. /******************************************************************/
  9330. /* 54618SE PHY SECTION */
  9331. /******************************************************************/
  9332. static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
  9333. struct link_params *params,
  9334. u32 action)
  9335. {
  9336. struct bnx2x *bp = params->bp;
  9337. u16 temp;
  9338. switch (action) {
  9339. case PHY_INIT:
  9340. /* Configure LED4: set to INTR (0x6). */
  9341. /* Accessing shadow register 0xe. */
  9342. bnx2x_cl22_write(bp, phy,
  9343. MDIO_REG_GPHY_SHADOW,
  9344. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9345. bnx2x_cl22_read(bp, phy,
  9346. MDIO_REG_GPHY_SHADOW,
  9347. &temp);
  9348. temp &= ~(0xf << 4);
  9349. temp |= (0x6 << 4);
  9350. bnx2x_cl22_write(bp, phy,
  9351. MDIO_REG_GPHY_SHADOW,
  9352. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9353. /* Configure INTR based on link status change. */
  9354. bnx2x_cl22_write(bp, phy,
  9355. MDIO_REG_INTR_MASK,
  9356. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9357. break;
  9358. }
  9359. }
  9360. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9361. struct link_params *params,
  9362. struct link_vars *vars)
  9363. {
  9364. struct bnx2x *bp = params->bp;
  9365. u8 port;
  9366. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9367. u32 cfg_pin;
  9368. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9369. usleep_range(1000, 2000);
  9370. /* This works with E3 only, no need to check the chip
  9371. * before determining the port.
  9372. */
  9373. port = params->port;
  9374. cfg_pin = (REG_RD(bp, params->shmem_base +
  9375. offsetof(struct shmem_region,
  9376. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9377. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9378. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9379. /* Drive pin high to bring the GPHY out of reset. */
  9380. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9381. /* wait for GPHY to reset */
  9382. msleep(50);
  9383. /* reset phy */
  9384. bnx2x_cl22_write(bp, phy,
  9385. MDIO_PMA_REG_CTRL, 0x8000);
  9386. bnx2x_wait_reset_complete(bp, phy, params);
  9387. /* Wait for GPHY to reset */
  9388. msleep(50);
  9389. bnx2x_54618se_specific_func(phy, params, PHY_INIT);
  9390. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9391. bnx2x_cl22_write(bp, phy,
  9392. MDIO_REG_GPHY_SHADOW,
  9393. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9394. bnx2x_cl22_read(bp, phy,
  9395. MDIO_REG_GPHY_SHADOW,
  9396. &temp);
  9397. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9398. bnx2x_cl22_write(bp, phy,
  9399. MDIO_REG_GPHY_SHADOW,
  9400. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9401. /* Set up fc */
  9402. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9403. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9404. fc_val = 0;
  9405. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9406. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9407. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9408. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9409. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9410. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9411. /* Read all advertisement */
  9412. bnx2x_cl22_read(bp, phy,
  9413. 0x09,
  9414. &an_1000_val);
  9415. bnx2x_cl22_read(bp, phy,
  9416. 0x04,
  9417. &an_10_100_val);
  9418. bnx2x_cl22_read(bp, phy,
  9419. MDIO_PMA_REG_CTRL,
  9420. &autoneg_val);
  9421. /* Disable forced speed */
  9422. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9423. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9424. (1<<11));
  9425. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9426. (phy->speed_cap_mask &
  9427. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9428. (phy->req_line_speed == SPEED_1000)) {
  9429. an_1000_val |= (1<<8);
  9430. autoneg_val |= (1<<9 | 1<<12);
  9431. if (phy->req_duplex == DUPLEX_FULL)
  9432. an_1000_val |= (1<<9);
  9433. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9434. } else
  9435. an_1000_val &= ~((1<<8) | (1<<9));
  9436. bnx2x_cl22_write(bp, phy,
  9437. 0x09,
  9438. an_1000_val);
  9439. bnx2x_cl22_read(bp, phy,
  9440. 0x09,
  9441. &an_1000_val);
  9442. /* Set 100 speed advertisement */
  9443. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9444. (phy->speed_cap_mask &
  9445. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9446. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9447. an_10_100_val |= (1<<7);
  9448. /* Enable autoneg and restart autoneg for legacy speeds */
  9449. autoneg_val |= (1<<9 | 1<<12);
  9450. if (phy->req_duplex == DUPLEX_FULL)
  9451. an_10_100_val |= (1<<8);
  9452. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9453. }
  9454. /* Set 10 speed advertisement */
  9455. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9456. (phy->speed_cap_mask &
  9457. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9458. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9459. an_10_100_val |= (1<<5);
  9460. autoneg_val |= (1<<9 | 1<<12);
  9461. if (phy->req_duplex == DUPLEX_FULL)
  9462. an_10_100_val |= (1<<6);
  9463. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9464. }
  9465. /* Only 10/100 are allowed to work in FORCE mode */
  9466. if (phy->req_line_speed == SPEED_100) {
  9467. autoneg_val |= (1<<13);
  9468. /* Enabled AUTO-MDIX when autoneg is disabled */
  9469. bnx2x_cl22_write(bp, phy,
  9470. 0x18,
  9471. (1<<15 | 1<<9 | 7<<0));
  9472. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9473. }
  9474. if (phy->req_line_speed == SPEED_10) {
  9475. /* Enabled AUTO-MDIX when autoneg is disabled */
  9476. bnx2x_cl22_write(bp, phy,
  9477. 0x18,
  9478. (1<<15 | 1<<9 | 7<<0));
  9479. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9480. }
  9481. if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
  9482. int rc;
  9483. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
  9484. MDIO_REG_GPHY_EXP_ACCESS_TOP |
  9485. MDIO_REG_GPHY_EXP_TOP_2K_BUF);
  9486. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
  9487. temp &= 0xfffe;
  9488. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
  9489. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
  9490. if (rc) {
  9491. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  9492. bnx2x_eee_disable(phy, params, vars);
  9493. } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
  9494. (phy->req_duplex == DUPLEX_FULL) &&
  9495. (bnx2x_eee_calc_timer(params) ||
  9496. !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
  9497. /* Need to advertise EEE only when requested,
  9498. * and either no LPI assertion was requested,
  9499. * or it was requested and a valid timer was set.
  9500. * Also notice full duplex is required for EEE.
  9501. */
  9502. bnx2x_eee_advertise(phy, params, vars,
  9503. SHMEM_EEE_1G_ADV);
  9504. } else {
  9505. DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
  9506. bnx2x_eee_disable(phy, params, vars);
  9507. }
  9508. } else {
  9509. vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
  9510. SHMEM_EEE_SUPPORTED_SHIFT;
  9511. if (phy->flags & FLAGS_EEE) {
  9512. /* Handle legacy auto-grEEEn */
  9513. if (params->feature_config_flags &
  9514. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9515. temp = 6;
  9516. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9517. } else {
  9518. temp = 0;
  9519. DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
  9520. }
  9521. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9522. MDIO_AN_REG_EEE_ADV, temp);
  9523. }
  9524. }
  9525. bnx2x_cl22_write(bp, phy,
  9526. 0x04,
  9527. an_10_100_val | fc_val);
  9528. if (phy->req_duplex == DUPLEX_FULL)
  9529. autoneg_val |= (1<<8);
  9530. bnx2x_cl22_write(bp, phy,
  9531. MDIO_PMA_REG_CTRL, autoneg_val);
  9532. return 0;
  9533. }
  9534. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9535. struct link_params *params, u8 mode)
  9536. {
  9537. struct bnx2x *bp = params->bp;
  9538. u16 temp;
  9539. bnx2x_cl22_write(bp, phy,
  9540. MDIO_REG_GPHY_SHADOW,
  9541. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9542. bnx2x_cl22_read(bp, phy,
  9543. MDIO_REG_GPHY_SHADOW,
  9544. &temp);
  9545. temp &= 0xff00;
  9546. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9547. switch (mode) {
  9548. case LED_MODE_FRONT_PANEL_OFF:
  9549. case LED_MODE_OFF:
  9550. temp |= 0x00ee;
  9551. break;
  9552. case LED_MODE_OPER:
  9553. temp |= 0x0001;
  9554. break;
  9555. case LED_MODE_ON:
  9556. temp |= 0x00ff;
  9557. break;
  9558. default:
  9559. break;
  9560. }
  9561. bnx2x_cl22_write(bp, phy,
  9562. MDIO_REG_GPHY_SHADOW,
  9563. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9564. return;
  9565. }
  9566. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9567. struct link_params *params)
  9568. {
  9569. struct bnx2x *bp = params->bp;
  9570. u32 cfg_pin;
  9571. u8 port;
  9572. /* In case of no EPIO routed to reset the GPHY, put it
  9573. * in low power mode.
  9574. */
  9575. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9576. /* This works with E3 only, no need to check the chip
  9577. * before determining the port.
  9578. */
  9579. port = params->port;
  9580. cfg_pin = (REG_RD(bp, params->shmem_base +
  9581. offsetof(struct shmem_region,
  9582. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9583. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9584. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9585. /* Drive pin low to put GPHY in reset. */
  9586. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9587. }
  9588. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9589. struct link_params *params,
  9590. struct link_vars *vars)
  9591. {
  9592. struct bnx2x *bp = params->bp;
  9593. u16 val;
  9594. u8 link_up = 0;
  9595. u16 legacy_status, legacy_speed;
  9596. /* Get speed operation status */
  9597. bnx2x_cl22_read(bp, phy,
  9598. MDIO_REG_GPHY_AUX_STATUS,
  9599. &legacy_status);
  9600. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9601. /* Read status to clear the PHY interrupt. */
  9602. bnx2x_cl22_read(bp, phy,
  9603. MDIO_REG_INTR_STATUS,
  9604. &val);
  9605. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9606. if (link_up) {
  9607. legacy_speed = (legacy_status & (7<<8));
  9608. if (legacy_speed == (7<<8)) {
  9609. vars->line_speed = SPEED_1000;
  9610. vars->duplex = DUPLEX_FULL;
  9611. } else if (legacy_speed == (6<<8)) {
  9612. vars->line_speed = SPEED_1000;
  9613. vars->duplex = DUPLEX_HALF;
  9614. } else if (legacy_speed == (5<<8)) {
  9615. vars->line_speed = SPEED_100;
  9616. vars->duplex = DUPLEX_FULL;
  9617. }
  9618. /* Omitting 100Base-T4 for now */
  9619. else if (legacy_speed == (3<<8)) {
  9620. vars->line_speed = SPEED_100;
  9621. vars->duplex = DUPLEX_HALF;
  9622. } else if (legacy_speed == (2<<8)) {
  9623. vars->line_speed = SPEED_10;
  9624. vars->duplex = DUPLEX_FULL;
  9625. } else if (legacy_speed == (1<<8)) {
  9626. vars->line_speed = SPEED_10;
  9627. vars->duplex = DUPLEX_HALF;
  9628. } else /* Should not happen */
  9629. vars->line_speed = 0;
  9630. DP(NETIF_MSG_LINK,
  9631. "Link is up in %dMbps, is_duplex_full= %d\n",
  9632. vars->line_speed,
  9633. (vars->duplex == DUPLEX_FULL));
  9634. /* Check legacy speed AN resolution */
  9635. bnx2x_cl22_read(bp, phy,
  9636. 0x01,
  9637. &val);
  9638. if (val & (1<<5))
  9639. vars->link_status |=
  9640. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9641. bnx2x_cl22_read(bp, phy,
  9642. 0x06,
  9643. &val);
  9644. if ((val & (1<<0)) == 0)
  9645. vars->link_status |=
  9646. LINK_STATUS_PARALLEL_DETECTION_USED;
  9647. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9648. vars->line_speed);
  9649. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9650. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  9651. /* Report LP advertised speeds */
  9652. bnx2x_cl22_read(bp, phy, 0x5, &val);
  9653. if (val & (1<<5))
  9654. vars->link_status |=
  9655. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9656. if (val & (1<<6))
  9657. vars->link_status |=
  9658. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9659. if (val & (1<<7))
  9660. vars->link_status |=
  9661. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9662. if (val & (1<<8))
  9663. vars->link_status |=
  9664. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9665. if (val & (1<<9))
  9666. vars->link_status |=
  9667. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9668. bnx2x_cl22_read(bp, phy, 0xa, &val);
  9669. if (val & (1<<10))
  9670. vars->link_status |=
  9671. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9672. if (val & (1<<11))
  9673. vars->link_status |=
  9674. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9675. if ((phy->flags & FLAGS_EEE) &&
  9676. bnx2x_eee_has_cap(params))
  9677. bnx2x_eee_an_resolve(phy, params, vars);
  9678. }
  9679. }
  9680. return link_up;
  9681. }
  9682. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9683. struct link_params *params)
  9684. {
  9685. struct bnx2x *bp = params->bp;
  9686. u16 val;
  9687. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9688. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9689. /* Enable master/slave manual mmode and set to master */
  9690. /* mii write 9 [bits set 11 12] */
  9691. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9692. /* forced 1G and disable autoneg */
  9693. /* set val [mii read 0] */
  9694. /* set val [expr $val & [bits clear 6 12 13]] */
  9695. /* set val [expr $val | [bits set 6 8]] */
  9696. /* mii write 0 $val */
  9697. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9698. val &= ~((1<<6) | (1<<12) | (1<<13));
  9699. val |= (1<<6) | (1<<8);
  9700. bnx2x_cl22_write(bp, phy, 0x00, val);
  9701. /* Set external loopback and Tx using 6dB coding */
  9702. /* mii write 0x18 7 */
  9703. /* set val [mii read 0x18] */
  9704. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9705. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9706. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9707. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9708. /* This register opens the gate for the UMAC despite its name */
  9709. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9710. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9711. * length used by the MAC receive logic to check frames.
  9712. */
  9713. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9714. }
  9715. /******************************************************************/
  9716. /* SFX7101 PHY SECTION */
  9717. /******************************************************************/
  9718. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9719. struct link_params *params)
  9720. {
  9721. struct bnx2x *bp = params->bp;
  9722. /* SFX7101_XGXS_TEST1 */
  9723. bnx2x_cl45_write(bp, phy,
  9724. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9725. }
  9726. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9727. struct link_params *params,
  9728. struct link_vars *vars)
  9729. {
  9730. u16 fw_ver1, fw_ver2, val;
  9731. struct bnx2x *bp = params->bp;
  9732. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9733. /* Restore normal power mode*/
  9734. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9735. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9736. /* HW reset */
  9737. bnx2x_ext_phy_hw_reset(bp, params->port);
  9738. bnx2x_wait_reset_complete(bp, phy, params);
  9739. bnx2x_cl45_write(bp, phy,
  9740. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9741. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9742. bnx2x_cl45_write(bp, phy,
  9743. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9744. bnx2x_ext_phy_set_pause(params, phy, vars);
  9745. /* Restart autoneg */
  9746. bnx2x_cl45_read(bp, phy,
  9747. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9748. val |= 0x200;
  9749. bnx2x_cl45_write(bp, phy,
  9750. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9751. /* Save spirom version */
  9752. bnx2x_cl45_read(bp, phy,
  9753. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9754. bnx2x_cl45_read(bp, phy,
  9755. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9756. bnx2x_save_spirom_version(bp, params->port,
  9757. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9758. return 0;
  9759. }
  9760. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9761. struct link_params *params,
  9762. struct link_vars *vars)
  9763. {
  9764. struct bnx2x *bp = params->bp;
  9765. u8 link_up;
  9766. u16 val1, val2;
  9767. bnx2x_cl45_read(bp, phy,
  9768. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9769. bnx2x_cl45_read(bp, phy,
  9770. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9771. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9772. val2, val1);
  9773. bnx2x_cl45_read(bp, phy,
  9774. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9775. bnx2x_cl45_read(bp, phy,
  9776. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9777. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9778. val2, val1);
  9779. link_up = ((val1 & 4) == 4);
  9780. /* If link is up print the AN outcome of the SFX7101 PHY */
  9781. if (link_up) {
  9782. bnx2x_cl45_read(bp, phy,
  9783. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9784. &val2);
  9785. vars->line_speed = SPEED_10000;
  9786. vars->duplex = DUPLEX_FULL;
  9787. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9788. val2, (val2 & (1<<14)));
  9789. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9790. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9791. /* Read LP advertised speeds */
  9792. if (val2 & (1<<11))
  9793. vars->link_status |=
  9794. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9795. }
  9796. return link_up;
  9797. }
  9798. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9799. {
  9800. if (*len < 5)
  9801. return -EINVAL;
  9802. str[0] = (spirom_ver & 0xFF);
  9803. str[1] = (spirom_ver & 0xFF00) >> 8;
  9804. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9805. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9806. str[4] = '\0';
  9807. *len -= 5;
  9808. return 0;
  9809. }
  9810. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9811. {
  9812. u16 val, cnt;
  9813. bnx2x_cl45_read(bp, phy,
  9814. MDIO_PMA_DEVAD,
  9815. MDIO_PMA_REG_7101_RESET, &val);
  9816. for (cnt = 0; cnt < 10; cnt++) {
  9817. msleep(50);
  9818. /* Writes a self-clearing reset */
  9819. bnx2x_cl45_write(bp, phy,
  9820. MDIO_PMA_DEVAD,
  9821. MDIO_PMA_REG_7101_RESET,
  9822. (val | (1<<15)));
  9823. /* Wait for clear */
  9824. bnx2x_cl45_read(bp, phy,
  9825. MDIO_PMA_DEVAD,
  9826. MDIO_PMA_REG_7101_RESET, &val);
  9827. if ((val & (1<<15)) == 0)
  9828. break;
  9829. }
  9830. }
  9831. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9832. struct link_params *params) {
  9833. /* Low power mode is controlled by GPIO 2 */
  9834. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9835. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9836. /* The PHY reset is controlled by GPIO 1 */
  9837. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9838. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9839. }
  9840. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9841. struct link_params *params, u8 mode)
  9842. {
  9843. u16 val = 0;
  9844. struct bnx2x *bp = params->bp;
  9845. switch (mode) {
  9846. case LED_MODE_FRONT_PANEL_OFF:
  9847. case LED_MODE_OFF:
  9848. val = 2;
  9849. break;
  9850. case LED_MODE_ON:
  9851. val = 1;
  9852. break;
  9853. case LED_MODE_OPER:
  9854. val = 0;
  9855. break;
  9856. }
  9857. bnx2x_cl45_write(bp, phy,
  9858. MDIO_PMA_DEVAD,
  9859. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9860. val);
  9861. }
  9862. /******************************************************************/
  9863. /* STATIC PHY DECLARATION */
  9864. /******************************************************************/
  9865. static struct bnx2x_phy phy_null = {
  9866. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9867. .addr = 0,
  9868. .def_md_devad = 0,
  9869. .flags = FLAGS_INIT_XGXS_FIRST,
  9870. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9871. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9872. .mdio_ctrl = 0,
  9873. .supported = 0,
  9874. .media_type = ETH_PHY_NOT_PRESENT,
  9875. .ver_addr = 0,
  9876. .req_flow_ctrl = 0,
  9877. .req_line_speed = 0,
  9878. .speed_cap_mask = 0,
  9879. .req_duplex = 0,
  9880. .rsrv = 0,
  9881. .config_init = (config_init_t)NULL,
  9882. .read_status = (read_status_t)NULL,
  9883. .link_reset = (link_reset_t)NULL,
  9884. .config_loopback = (config_loopback_t)NULL,
  9885. .format_fw_ver = (format_fw_ver_t)NULL,
  9886. .hw_reset = (hw_reset_t)NULL,
  9887. .set_link_led = (set_link_led_t)NULL,
  9888. .phy_specific_func = (phy_specific_func_t)NULL
  9889. };
  9890. static struct bnx2x_phy phy_serdes = {
  9891. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9892. .addr = 0xff,
  9893. .def_md_devad = 0,
  9894. .flags = 0,
  9895. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9896. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9897. .mdio_ctrl = 0,
  9898. .supported = (SUPPORTED_10baseT_Half |
  9899. SUPPORTED_10baseT_Full |
  9900. SUPPORTED_100baseT_Half |
  9901. SUPPORTED_100baseT_Full |
  9902. SUPPORTED_1000baseT_Full |
  9903. SUPPORTED_2500baseX_Full |
  9904. SUPPORTED_TP |
  9905. SUPPORTED_Autoneg |
  9906. SUPPORTED_Pause |
  9907. SUPPORTED_Asym_Pause),
  9908. .media_type = ETH_PHY_BASE_T,
  9909. .ver_addr = 0,
  9910. .req_flow_ctrl = 0,
  9911. .req_line_speed = 0,
  9912. .speed_cap_mask = 0,
  9913. .req_duplex = 0,
  9914. .rsrv = 0,
  9915. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9916. .read_status = (read_status_t)bnx2x_link_settings_status,
  9917. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9918. .config_loopback = (config_loopback_t)NULL,
  9919. .format_fw_ver = (format_fw_ver_t)NULL,
  9920. .hw_reset = (hw_reset_t)NULL,
  9921. .set_link_led = (set_link_led_t)NULL,
  9922. .phy_specific_func = (phy_specific_func_t)NULL
  9923. };
  9924. static struct bnx2x_phy phy_xgxs = {
  9925. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9926. .addr = 0xff,
  9927. .def_md_devad = 0,
  9928. .flags = 0,
  9929. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9930. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9931. .mdio_ctrl = 0,
  9932. .supported = (SUPPORTED_10baseT_Half |
  9933. SUPPORTED_10baseT_Full |
  9934. SUPPORTED_100baseT_Half |
  9935. SUPPORTED_100baseT_Full |
  9936. SUPPORTED_1000baseT_Full |
  9937. SUPPORTED_2500baseX_Full |
  9938. SUPPORTED_10000baseT_Full |
  9939. SUPPORTED_FIBRE |
  9940. SUPPORTED_Autoneg |
  9941. SUPPORTED_Pause |
  9942. SUPPORTED_Asym_Pause),
  9943. .media_type = ETH_PHY_CX4,
  9944. .ver_addr = 0,
  9945. .req_flow_ctrl = 0,
  9946. .req_line_speed = 0,
  9947. .speed_cap_mask = 0,
  9948. .req_duplex = 0,
  9949. .rsrv = 0,
  9950. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9951. .read_status = (read_status_t)bnx2x_link_settings_status,
  9952. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9953. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9954. .format_fw_ver = (format_fw_ver_t)NULL,
  9955. .hw_reset = (hw_reset_t)NULL,
  9956. .set_link_led = (set_link_led_t)NULL,
  9957. .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
  9958. };
  9959. static struct bnx2x_phy phy_warpcore = {
  9960. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9961. .addr = 0xff,
  9962. .def_md_devad = 0,
  9963. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9964. FLAGS_TX_ERROR_CHECK),
  9965. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9966. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9967. .mdio_ctrl = 0,
  9968. .supported = (SUPPORTED_10baseT_Half |
  9969. SUPPORTED_10baseT_Full |
  9970. SUPPORTED_100baseT_Half |
  9971. SUPPORTED_100baseT_Full |
  9972. SUPPORTED_1000baseT_Full |
  9973. SUPPORTED_10000baseT_Full |
  9974. SUPPORTED_20000baseKR2_Full |
  9975. SUPPORTED_20000baseMLD2_Full |
  9976. SUPPORTED_FIBRE |
  9977. SUPPORTED_Autoneg |
  9978. SUPPORTED_Pause |
  9979. SUPPORTED_Asym_Pause),
  9980. .media_type = ETH_PHY_UNSPECIFIED,
  9981. .ver_addr = 0,
  9982. .req_flow_ctrl = 0,
  9983. .req_line_speed = 0,
  9984. .speed_cap_mask = 0,
  9985. /* req_duplex = */0,
  9986. /* rsrv = */0,
  9987. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9988. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9989. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9990. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9991. .format_fw_ver = (format_fw_ver_t)NULL,
  9992. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9993. .set_link_led = (set_link_led_t)NULL,
  9994. .phy_specific_func = (phy_specific_func_t)NULL
  9995. };
  9996. static struct bnx2x_phy phy_7101 = {
  9997. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9998. .addr = 0xff,
  9999. .def_md_devad = 0,
  10000. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  10001. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10002. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10003. .mdio_ctrl = 0,
  10004. .supported = (SUPPORTED_10000baseT_Full |
  10005. SUPPORTED_TP |
  10006. SUPPORTED_Autoneg |
  10007. SUPPORTED_Pause |
  10008. SUPPORTED_Asym_Pause),
  10009. .media_type = ETH_PHY_BASE_T,
  10010. .ver_addr = 0,
  10011. .req_flow_ctrl = 0,
  10012. .req_line_speed = 0,
  10013. .speed_cap_mask = 0,
  10014. .req_duplex = 0,
  10015. .rsrv = 0,
  10016. .config_init = (config_init_t)bnx2x_7101_config_init,
  10017. .read_status = (read_status_t)bnx2x_7101_read_status,
  10018. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10019. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  10020. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  10021. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  10022. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  10023. .phy_specific_func = (phy_specific_func_t)NULL
  10024. };
  10025. static struct bnx2x_phy phy_8073 = {
  10026. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  10027. .addr = 0xff,
  10028. .def_md_devad = 0,
  10029. .flags = FLAGS_HW_LOCK_REQUIRED,
  10030. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10031. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10032. .mdio_ctrl = 0,
  10033. .supported = (SUPPORTED_10000baseT_Full |
  10034. SUPPORTED_2500baseX_Full |
  10035. SUPPORTED_1000baseT_Full |
  10036. SUPPORTED_FIBRE |
  10037. SUPPORTED_Autoneg |
  10038. SUPPORTED_Pause |
  10039. SUPPORTED_Asym_Pause),
  10040. .media_type = ETH_PHY_KR,
  10041. .ver_addr = 0,
  10042. .req_flow_ctrl = 0,
  10043. .req_line_speed = 0,
  10044. .speed_cap_mask = 0,
  10045. .req_duplex = 0,
  10046. .rsrv = 0,
  10047. .config_init = (config_init_t)bnx2x_8073_config_init,
  10048. .read_status = (read_status_t)bnx2x_8073_read_status,
  10049. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  10050. .config_loopback = (config_loopback_t)NULL,
  10051. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10052. .hw_reset = (hw_reset_t)NULL,
  10053. .set_link_led = (set_link_led_t)NULL,
  10054. .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
  10055. };
  10056. static struct bnx2x_phy phy_8705 = {
  10057. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  10058. .addr = 0xff,
  10059. .def_md_devad = 0,
  10060. .flags = FLAGS_INIT_XGXS_FIRST,
  10061. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10062. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10063. .mdio_ctrl = 0,
  10064. .supported = (SUPPORTED_10000baseT_Full |
  10065. SUPPORTED_FIBRE |
  10066. SUPPORTED_Pause |
  10067. SUPPORTED_Asym_Pause),
  10068. .media_type = ETH_PHY_XFP_FIBER,
  10069. .ver_addr = 0,
  10070. .req_flow_ctrl = 0,
  10071. .req_line_speed = 0,
  10072. .speed_cap_mask = 0,
  10073. .req_duplex = 0,
  10074. .rsrv = 0,
  10075. .config_init = (config_init_t)bnx2x_8705_config_init,
  10076. .read_status = (read_status_t)bnx2x_8705_read_status,
  10077. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10078. .config_loopback = (config_loopback_t)NULL,
  10079. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  10080. .hw_reset = (hw_reset_t)NULL,
  10081. .set_link_led = (set_link_led_t)NULL,
  10082. .phy_specific_func = (phy_specific_func_t)NULL
  10083. };
  10084. static struct bnx2x_phy phy_8706 = {
  10085. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  10086. .addr = 0xff,
  10087. .def_md_devad = 0,
  10088. .flags = FLAGS_INIT_XGXS_FIRST,
  10089. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10090. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10091. .mdio_ctrl = 0,
  10092. .supported = (SUPPORTED_10000baseT_Full |
  10093. SUPPORTED_1000baseT_Full |
  10094. SUPPORTED_FIBRE |
  10095. SUPPORTED_Pause |
  10096. SUPPORTED_Asym_Pause),
  10097. .media_type = ETH_PHY_SFPP_10G_FIBER,
  10098. .ver_addr = 0,
  10099. .req_flow_ctrl = 0,
  10100. .req_line_speed = 0,
  10101. .speed_cap_mask = 0,
  10102. .req_duplex = 0,
  10103. .rsrv = 0,
  10104. .config_init = (config_init_t)bnx2x_8706_config_init,
  10105. .read_status = (read_status_t)bnx2x_8706_read_status,
  10106. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10107. .config_loopback = (config_loopback_t)NULL,
  10108. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10109. .hw_reset = (hw_reset_t)NULL,
  10110. .set_link_led = (set_link_led_t)NULL,
  10111. .phy_specific_func = (phy_specific_func_t)NULL
  10112. };
  10113. static struct bnx2x_phy phy_8726 = {
  10114. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  10115. .addr = 0xff,
  10116. .def_md_devad = 0,
  10117. .flags = (FLAGS_HW_LOCK_REQUIRED |
  10118. FLAGS_INIT_XGXS_FIRST |
  10119. FLAGS_TX_ERROR_CHECK),
  10120. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10121. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10122. .mdio_ctrl = 0,
  10123. .supported = (SUPPORTED_10000baseT_Full |
  10124. SUPPORTED_1000baseT_Full |
  10125. SUPPORTED_Autoneg |
  10126. SUPPORTED_FIBRE |
  10127. SUPPORTED_Pause |
  10128. SUPPORTED_Asym_Pause),
  10129. .media_type = ETH_PHY_NOT_PRESENT,
  10130. .ver_addr = 0,
  10131. .req_flow_ctrl = 0,
  10132. .req_line_speed = 0,
  10133. .speed_cap_mask = 0,
  10134. .req_duplex = 0,
  10135. .rsrv = 0,
  10136. .config_init = (config_init_t)bnx2x_8726_config_init,
  10137. .read_status = (read_status_t)bnx2x_8726_read_status,
  10138. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  10139. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  10140. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10141. .hw_reset = (hw_reset_t)NULL,
  10142. .set_link_led = (set_link_led_t)NULL,
  10143. .phy_specific_func = (phy_specific_func_t)NULL
  10144. };
  10145. static struct bnx2x_phy phy_8727 = {
  10146. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  10147. .addr = 0xff,
  10148. .def_md_devad = 0,
  10149. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10150. FLAGS_TX_ERROR_CHECK),
  10151. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10152. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10153. .mdio_ctrl = 0,
  10154. .supported = (SUPPORTED_10000baseT_Full |
  10155. SUPPORTED_1000baseT_Full |
  10156. SUPPORTED_FIBRE |
  10157. SUPPORTED_Pause |
  10158. SUPPORTED_Asym_Pause),
  10159. .media_type = ETH_PHY_NOT_PRESENT,
  10160. .ver_addr = 0,
  10161. .req_flow_ctrl = 0,
  10162. .req_line_speed = 0,
  10163. .speed_cap_mask = 0,
  10164. .req_duplex = 0,
  10165. .rsrv = 0,
  10166. .config_init = (config_init_t)bnx2x_8727_config_init,
  10167. .read_status = (read_status_t)bnx2x_8727_read_status,
  10168. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  10169. .config_loopback = (config_loopback_t)NULL,
  10170. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10171. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  10172. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  10173. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  10174. };
  10175. static struct bnx2x_phy phy_8481 = {
  10176. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  10177. .addr = 0xff,
  10178. .def_md_devad = 0,
  10179. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10180. FLAGS_REARM_LATCH_SIGNAL,
  10181. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10182. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10183. .mdio_ctrl = 0,
  10184. .supported = (SUPPORTED_10baseT_Half |
  10185. SUPPORTED_10baseT_Full |
  10186. SUPPORTED_100baseT_Half |
  10187. SUPPORTED_100baseT_Full |
  10188. SUPPORTED_1000baseT_Full |
  10189. SUPPORTED_10000baseT_Full |
  10190. SUPPORTED_TP |
  10191. SUPPORTED_Autoneg |
  10192. SUPPORTED_Pause |
  10193. SUPPORTED_Asym_Pause),
  10194. .media_type = ETH_PHY_BASE_T,
  10195. .ver_addr = 0,
  10196. .req_flow_ctrl = 0,
  10197. .req_line_speed = 0,
  10198. .speed_cap_mask = 0,
  10199. .req_duplex = 0,
  10200. .rsrv = 0,
  10201. .config_init = (config_init_t)bnx2x_8481_config_init,
  10202. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10203. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  10204. .config_loopback = (config_loopback_t)NULL,
  10205. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10206. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  10207. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10208. .phy_specific_func = (phy_specific_func_t)NULL
  10209. };
  10210. static struct bnx2x_phy phy_84823 = {
  10211. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  10212. .addr = 0xff,
  10213. .def_md_devad = 0,
  10214. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10215. FLAGS_REARM_LATCH_SIGNAL |
  10216. FLAGS_TX_ERROR_CHECK),
  10217. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10218. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10219. .mdio_ctrl = 0,
  10220. .supported = (SUPPORTED_10baseT_Half |
  10221. SUPPORTED_10baseT_Full |
  10222. SUPPORTED_100baseT_Half |
  10223. SUPPORTED_100baseT_Full |
  10224. SUPPORTED_1000baseT_Full |
  10225. SUPPORTED_10000baseT_Full |
  10226. SUPPORTED_TP |
  10227. SUPPORTED_Autoneg |
  10228. SUPPORTED_Pause |
  10229. SUPPORTED_Asym_Pause),
  10230. .media_type = ETH_PHY_BASE_T,
  10231. .ver_addr = 0,
  10232. .req_flow_ctrl = 0,
  10233. .req_line_speed = 0,
  10234. .speed_cap_mask = 0,
  10235. .req_duplex = 0,
  10236. .rsrv = 0,
  10237. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10238. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10239. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10240. .config_loopback = (config_loopback_t)NULL,
  10241. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10242. .hw_reset = (hw_reset_t)NULL,
  10243. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10244. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10245. };
  10246. static struct bnx2x_phy phy_84833 = {
  10247. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  10248. .addr = 0xff,
  10249. .def_md_devad = 0,
  10250. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10251. FLAGS_REARM_LATCH_SIGNAL |
  10252. FLAGS_TX_ERROR_CHECK),
  10253. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10254. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10255. .mdio_ctrl = 0,
  10256. .supported = (SUPPORTED_100baseT_Half |
  10257. SUPPORTED_100baseT_Full |
  10258. SUPPORTED_1000baseT_Full |
  10259. SUPPORTED_10000baseT_Full |
  10260. SUPPORTED_TP |
  10261. SUPPORTED_Autoneg |
  10262. SUPPORTED_Pause |
  10263. SUPPORTED_Asym_Pause),
  10264. .media_type = ETH_PHY_BASE_T,
  10265. .ver_addr = 0,
  10266. .req_flow_ctrl = 0,
  10267. .req_line_speed = 0,
  10268. .speed_cap_mask = 0,
  10269. .req_duplex = 0,
  10270. .rsrv = 0,
  10271. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10272. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10273. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10274. .config_loopback = (config_loopback_t)NULL,
  10275. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10276. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10277. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10278. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10279. };
  10280. static const struct bnx2x_phy phy_84834 = {
  10281. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
  10282. .addr = 0xff,
  10283. .def_md_devad = 0,
  10284. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10285. FLAGS_REARM_LATCH_SIGNAL,
  10286. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10287. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10288. .mdio_ctrl = 0,
  10289. .supported = (SUPPORTED_100baseT_Half |
  10290. SUPPORTED_100baseT_Full |
  10291. SUPPORTED_1000baseT_Full |
  10292. SUPPORTED_10000baseT_Full |
  10293. SUPPORTED_TP |
  10294. SUPPORTED_Autoneg |
  10295. SUPPORTED_Pause |
  10296. SUPPORTED_Asym_Pause),
  10297. .media_type = ETH_PHY_BASE_T,
  10298. .ver_addr = 0,
  10299. .req_flow_ctrl = 0,
  10300. .req_line_speed = 0,
  10301. .speed_cap_mask = 0,
  10302. .req_duplex = 0,
  10303. .rsrv = 0,
  10304. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10305. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10306. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10307. .config_loopback = (config_loopback_t)NULL,
  10308. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10309. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10310. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10311. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10312. };
  10313. static struct bnx2x_phy phy_54618se = {
  10314. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  10315. .addr = 0xff,
  10316. .def_md_devad = 0,
  10317. .flags = FLAGS_INIT_XGXS_FIRST,
  10318. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10319. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10320. .mdio_ctrl = 0,
  10321. .supported = (SUPPORTED_10baseT_Half |
  10322. SUPPORTED_10baseT_Full |
  10323. SUPPORTED_100baseT_Half |
  10324. SUPPORTED_100baseT_Full |
  10325. SUPPORTED_1000baseT_Full |
  10326. SUPPORTED_TP |
  10327. SUPPORTED_Autoneg |
  10328. SUPPORTED_Pause |
  10329. SUPPORTED_Asym_Pause),
  10330. .media_type = ETH_PHY_BASE_T,
  10331. .ver_addr = 0,
  10332. .req_flow_ctrl = 0,
  10333. .req_line_speed = 0,
  10334. .speed_cap_mask = 0,
  10335. /* req_duplex = */0,
  10336. /* rsrv = */0,
  10337. .config_init = (config_init_t)bnx2x_54618se_config_init,
  10338. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10339. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10340. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10341. .format_fw_ver = (format_fw_ver_t)NULL,
  10342. .hw_reset = (hw_reset_t)NULL,
  10343. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10344. .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
  10345. };
  10346. /*****************************************************************/
  10347. /* */
  10348. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10349. /* */
  10350. /*****************************************************************/
  10351. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10352. struct bnx2x_phy *phy, u8 port,
  10353. u8 phy_index)
  10354. {
  10355. /* Get the 4 lanes xgxs config rx and tx */
  10356. u32 rx = 0, tx = 0, i;
  10357. for (i = 0; i < 2; i++) {
  10358. /* INT_PHY and EXT_PHY1 share the same value location in
  10359. * the shmem. When num_phys is greater than 1, than this value
  10360. * applies only to EXT_PHY1
  10361. */
  10362. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10363. rx = REG_RD(bp, shmem_base +
  10364. offsetof(struct shmem_region,
  10365. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10366. tx = REG_RD(bp, shmem_base +
  10367. offsetof(struct shmem_region,
  10368. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10369. } else {
  10370. rx = REG_RD(bp, shmem_base +
  10371. offsetof(struct shmem_region,
  10372. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10373. tx = REG_RD(bp, shmem_base +
  10374. offsetof(struct shmem_region,
  10375. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10376. }
  10377. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10378. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10379. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10380. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10381. }
  10382. }
  10383. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10384. u8 phy_index, u8 port)
  10385. {
  10386. u32 ext_phy_config = 0;
  10387. switch (phy_index) {
  10388. case EXT_PHY1:
  10389. ext_phy_config = REG_RD(bp, shmem_base +
  10390. offsetof(struct shmem_region,
  10391. dev_info.port_hw_config[port].external_phy_config));
  10392. break;
  10393. case EXT_PHY2:
  10394. ext_phy_config = REG_RD(bp, shmem_base +
  10395. offsetof(struct shmem_region,
  10396. dev_info.port_hw_config[port].external_phy_config2));
  10397. break;
  10398. default:
  10399. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10400. return -EINVAL;
  10401. }
  10402. return ext_phy_config;
  10403. }
  10404. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10405. struct bnx2x_phy *phy)
  10406. {
  10407. u32 phy_addr;
  10408. u32 chip_id;
  10409. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10410. offsetof(struct shmem_region,
  10411. dev_info.port_feature_config[port].link_config)) &
  10412. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10413. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10414. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10415. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10416. if (USES_WARPCORE(bp)) {
  10417. u32 serdes_net_if;
  10418. phy_addr = REG_RD(bp,
  10419. MISC_REG_WC0_CTRL_PHY_ADDR);
  10420. *phy = phy_warpcore;
  10421. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10422. phy->flags |= FLAGS_4_PORT_MODE;
  10423. else
  10424. phy->flags &= ~FLAGS_4_PORT_MODE;
  10425. /* Check Dual mode */
  10426. serdes_net_if = (REG_RD(bp, shmem_base +
  10427. offsetof(struct shmem_region, dev_info.
  10428. port_hw_config[port].default_cfg)) &
  10429. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10430. /* Set the appropriate supported and flags indications per
  10431. * interface type of the chip
  10432. */
  10433. switch (serdes_net_if) {
  10434. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10435. phy->supported &= (SUPPORTED_10baseT_Half |
  10436. SUPPORTED_10baseT_Full |
  10437. SUPPORTED_100baseT_Half |
  10438. SUPPORTED_100baseT_Full |
  10439. SUPPORTED_1000baseT_Full |
  10440. SUPPORTED_FIBRE |
  10441. SUPPORTED_Autoneg |
  10442. SUPPORTED_Pause |
  10443. SUPPORTED_Asym_Pause);
  10444. phy->media_type = ETH_PHY_BASE_T;
  10445. break;
  10446. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10447. phy->supported &= (SUPPORTED_1000baseT_Full |
  10448. SUPPORTED_10000baseT_Full |
  10449. SUPPORTED_FIBRE |
  10450. SUPPORTED_Pause |
  10451. SUPPORTED_Asym_Pause);
  10452. phy->media_type = ETH_PHY_XFP_FIBER;
  10453. break;
  10454. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10455. phy->supported &= (SUPPORTED_1000baseT_Full |
  10456. SUPPORTED_10000baseT_Full |
  10457. SUPPORTED_FIBRE |
  10458. SUPPORTED_Pause |
  10459. SUPPORTED_Asym_Pause);
  10460. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  10461. break;
  10462. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10463. phy->media_type = ETH_PHY_KR;
  10464. phy->supported &= (SUPPORTED_1000baseT_Full |
  10465. SUPPORTED_10000baseT_Full |
  10466. SUPPORTED_FIBRE |
  10467. SUPPORTED_Autoneg |
  10468. SUPPORTED_Pause |
  10469. SUPPORTED_Asym_Pause);
  10470. break;
  10471. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10472. phy->media_type = ETH_PHY_KR;
  10473. phy->flags |= FLAGS_WC_DUAL_MODE;
  10474. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10475. SUPPORTED_FIBRE |
  10476. SUPPORTED_Pause |
  10477. SUPPORTED_Asym_Pause);
  10478. break;
  10479. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10480. phy->media_type = ETH_PHY_KR;
  10481. phy->flags |= FLAGS_WC_DUAL_MODE;
  10482. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10483. SUPPORTED_Autoneg |
  10484. SUPPORTED_FIBRE |
  10485. SUPPORTED_Pause |
  10486. SUPPORTED_Asym_Pause);
  10487. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10488. break;
  10489. default:
  10490. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10491. serdes_net_if);
  10492. break;
  10493. }
  10494. /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10495. * was not set as expected. For B0, ECO will be enabled so there
  10496. * won't be an issue there
  10497. */
  10498. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10499. phy->flags |= FLAGS_MDC_MDIO_WA;
  10500. else
  10501. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10502. } else {
  10503. switch (switch_cfg) {
  10504. case SWITCH_CFG_1G:
  10505. phy_addr = REG_RD(bp,
  10506. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10507. port * 0x10);
  10508. *phy = phy_serdes;
  10509. break;
  10510. case SWITCH_CFG_10G:
  10511. phy_addr = REG_RD(bp,
  10512. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10513. port * 0x18);
  10514. *phy = phy_xgxs;
  10515. break;
  10516. default:
  10517. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10518. return -EINVAL;
  10519. }
  10520. }
  10521. phy->addr = (u8)phy_addr;
  10522. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10523. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10524. port);
  10525. if (CHIP_IS_E2(bp))
  10526. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10527. else
  10528. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10529. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10530. port, phy->addr, phy->mdio_ctrl);
  10531. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10532. return 0;
  10533. }
  10534. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10535. u8 phy_index,
  10536. u32 shmem_base,
  10537. u32 shmem2_base,
  10538. u8 port,
  10539. struct bnx2x_phy *phy)
  10540. {
  10541. u32 ext_phy_config, phy_type, config2;
  10542. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10543. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10544. phy_index, port);
  10545. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10546. /* Select the phy type */
  10547. switch (phy_type) {
  10548. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10549. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10550. *phy = phy_8073;
  10551. break;
  10552. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10553. *phy = phy_8705;
  10554. break;
  10555. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10556. *phy = phy_8706;
  10557. break;
  10558. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10559. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10560. *phy = phy_8726;
  10561. break;
  10562. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10563. /* BCM8727_NOC => BCM8727 no over current */
  10564. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10565. *phy = phy_8727;
  10566. phy->flags |= FLAGS_NOC;
  10567. break;
  10568. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10569. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10570. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10571. *phy = phy_8727;
  10572. break;
  10573. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10574. *phy = phy_8481;
  10575. break;
  10576. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10577. *phy = phy_84823;
  10578. break;
  10579. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10580. *phy = phy_84833;
  10581. break;
  10582. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  10583. *phy = phy_84834;
  10584. break;
  10585. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10586. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10587. *phy = phy_54618se;
  10588. if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  10589. phy->flags |= FLAGS_EEE;
  10590. break;
  10591. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10592. *phy = phy_7101;
  10593. break;
  10594. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10595. *phy = phy_null;
  10596. return -EINVAL;
  10597. default:
  10598. *phy = phy_null;
  10599. /* In case external PHY wasn't found */
  10600. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10601. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10602. return -EINVAL;
  10603. return 0;
  10604. }
  10605. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10606. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10607. /* The shmem address of the phy version is located on different
  10608. * structures. In case this structure is too old, do not set
  10609. * the address
  10610. */
  10611. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10612. dev_info.shared_hw_config.config2));
  10613. if (phy_index == EXT_PHY1) {
  10614. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10615. port_mb[port].ext_phy_fw_version);
  10616. /* Check specific mdc mdio settings */
  10617. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10618. mdc_mdio_access = config2 &
  10619. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10620. } else {
  10621. u32 size = REG_RD(bp, shmem2_base);
  10622. if (size >
  10623. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10624. phy->ver_addr = shmem2_base +
  10625. offsetof(struct shmem2_region,
  10626. ext_phy_fw_version2[port]);
  10627. }
  10628. /* Check specific mdc mdio settings */
  10629. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10630. mdc_mdio_access = (config2 &
  10631. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10632. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10633. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10634. }
  10635. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10636. if (((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  10637. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) &&
  10638. (phy->ver_addr)) {
  10639. /* Remove 100Mb link supported for BCM84833/4 when phy fw
  10640. * version lower than or equal to 1.39
  10641. */
  10642. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10643. if (((raw_ver & 0x7F) <= 39) &&
  10644. (((raw_ver & 0xF80) >> 7) <= 1))
  10645. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10646. SUPPORTED_100baseT_Full);
  10647. }
  10648. /* In case mdc/mdio_access of the external phy is different than the
  10649. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  10650. * to prevent one port interfere with another port's CL45 operations.
  10651. */
  10652. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  10653. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  10654. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10655. phy_type, port, phy_index);
  10656. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10657. phy->addr, phy->mdio_ctrl);
  10658. return 0;
  10659. }
  10660. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10661. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10662. {
  10663. int status = 0;
  10664. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10665. if (phy_index == INT_PHY)
  10666. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10667. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10668. port, phy);
  10669. return status;
  10670. }
  10671. static void bnx2x_phy_def_cfg(struct link_params *params,
  10672. struct bnx2x_phy *phy,
  10673. u8 phy_index)
  10674. {
  10675. struct bnx2x *bp = params->bp;
  10676. u32 link_config;
  10677. /* Populate the default phy configuration for MF mode */
  10678. if (phy_index == EXT_PHY2) {
  10679. link_config = REG_RD(bp, params->shmem_base +
  10680. offsetof(struct shmem_region, dev_info.
  10681. port_feature_config[params->port].link_config2));
  10682. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10683. offsetof(struct shmem_region,
  10684. dev_info.
  10685. port_hw_config[params->port].speed_capability_mask2));
  10686. } else {
  10687. link_config = REG_RD(bp, params->shmem_base +
  10688. offsetof(struct shmem_region, dev_info.
  10689. port_feature_config[params->port].link_config));
  10690. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10691. offsetof(struct shmem_region,
  10692. dev_info.
  10693. port_hw_config[params->port].speed_capability_mask));
  10694. }
  10695. DP(NETIF_MSG_LINK,
  10696. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10697. phy_index, link_config, phy->speed_cap_mask);
  10698. phy->req_duplex = DUPLEX_FULL;
  10699. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10700. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10701. phy->req_duplex = DUPLEX_HALF;
  10702. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10703. phy->req_line_speed = SPEED_10;
  10704. break;
  10705. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10706. phy->req_duplex = DUPLEX_HALF;
  10707. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10708. phy->req_line_speed = SPEED_100;
  10709. break;
  10710. case PORT_FEATURE_LINK_SPEED_1G:
  10711. phy->req_line_speed = SPEED_1000;
  10712. break;
  10713. case PORT_FEATURE_LINK_SPEED_2_5G:
  10714. phy->req_line_speed = SPEED_2500;
  10715. break;
  10716. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10717. phy->req_line_speed = SPEED_10000;
  10718. break;
  10719. default:
  10720. phy->req_line_speed = SPEED_AUTO_NEG;
  10721. break;
  10722. }
  10723. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10724. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10725. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10726. break;
  10727. case PORT_FEATURE_FLOW_CONTROL_TX:
  10728. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10729. break;
  10730. case PORT_FEATURE_FLOW_CONTROL_RX:
  10731. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10732. break;
  10733. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10734. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10735. break;
  10736. default:
  10737. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10738. break;
  10739. }
  10740. }
  10741. u32 bnx2x_phy_selection(struct link_params *params)
  10742. {
  10743. u32 phy_config_swapped, prio_cfg;
  10744. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10745. phy_config_swapped = params->multi_phy_config &
  10746. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10747. prio_cfg = params->multi_phy_config &
  10748. PORT_HW_CFG_PHY_SELECTION_MASK;
  10749. if (phy_config_swapped) {
  10750. switch (prio_cfg) {
  10751. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10752. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10753. break;
  10754. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10755. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10756. break;
  10757. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10758. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10759. break;
  10760. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10761. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10762. break;
  10763. }
  10764. } else
  10765. return_cfg = prio_cfg;
  10766. return return_cfg;
  10767. }
  10768. int bnx2x_phy_probe(struct link_params *params)
  10769. {
  10770. u8 phy_index, actual_phy_idx;
  10771. u32 phy_config_swapped, sync_offset, media_types;
  10772. struct bnx2x *bp = params->bp;
  10773. struct bnx2x_phy *phy;
  10774. params->num_phys = 0;
  10775. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10776. phy_config_swapped = params->multi_phy_config &
  10777. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10778. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10779. phy_index++) {
  10780. actual_phy_idx = phy_index;
  10781. if (phy_config_swapped) {
  10782. if (phy_index == EXT_PHY1)
  10783. actual_phy_idx = EXT_PHY2;
  10784. else if (phy_index == EXT_PHY2)
  10785. actual_phy_idx = EXT_PHY1;
  10786. }
  10787. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10788. " actual_phy_idx %x\n", phy_config_swapped,
  10789. phy_index, actual_phy_idx);
  10790. phy = &params->phy[actual_phy_idx];
  10791. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10792. params->shmem2_base, params->port,
  10793. phy) != 0) {
  10794. params->num_phys = 0;
  10795. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10796. phy_index);
  10797. for (phy_index = INT_PHY;
  10798. phy_index < MAX_PHYS;
  10799. phy_index++)
  10800. *phy = phy_null;
  10801. return -EINVAL;
  10802. }
  10803. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10804. break;
  10805. if (params->feature_config_flags &
  10806. FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
  10807. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10808. if (!(params->feature_config_flags &
  10809. FEATURE_CONFIG_MT_SUPPORT))
  10810. phy->flags |= FLAGS_MDC_MDIO_WA_G;
  10811. sync_offset = params->shmem_base +
  10812. offsetof(struct shmem_region,
  10813. dev_info.port_hw_config[params->port].media_type);
  10814. media_types = REG_RD(bp, sync_offset);
  10815. /* Update media type for non-PMF sync only for the first time
  10816. * In case the media type changes afterwards, it will be updated
  10817. * using the update_status function
  10818. */
  10819. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10820. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10821. actual_phy_idx))) == 0) {
  10822. media_types |= ((phy->media_type &
  10823. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10824. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10825. actual_phy_idx));
  10826. }
  10827. REG_WR(bp, sync_offset, media_types);
  10828. bnx2x_phy_def_cfg(params, phy, phy_index);
  10829. params->num_phys++;
  10830. }
  10831. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10832. return 0;
  10833. }
  10834. static void bnx2x_init_bmac_loopback(struct link_params *params,
  10835. struct link_vars *vars)
  10836. {
  10837. struct bnx2x *bp = params->bp;
  10838. vars->link_up = 1;
  10839. vars->line_speed = SPEED_10000;
  10840. vars->duplex = DUPLEX_FULL;
  10841. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10842. vars->mac_type = MAC_TYPE_BMAC;
  10843. vars->phy_flags = PHY_XGXS_FLAG;
  10844. bnx2x_xgxs_deassert(params);
  10845. /* set bmac loopback */
  10846. bnx2x_bmac_enable(params, vars, 1, 1);
  10847. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10848. }
  10849. static void bnx2x_init_emac_loopback(struct link_params *params,
  10850. struct link_vars *vars)
  10851. {
  10852. struct bnx2x *bp = params->bp;
  10853. vars->link_up = 1;
  10854. vars->line_speed = SPEED_1000;
  10855. vars->duplex = DUPLEX_FULL;
  10856. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10857. vars->mac_type = MAC_TYPE_EMAC;
  10858. vars->phy_flags = PHY_XGXS_FLAG;
  10859. bnx2x_xgxs_deassert(params);
  10860. /* set bmac loopback */
  10861. bnx2x_emac_enable(params, vars, 1);
  10862. bnx2x_emac_program(params, vars);
  10863. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10864. }
  10865. static void bnx2x_init_xmac_loopback(struct link_params *params,
  10866. struct link_vars *vars)
  10867. {
  10868. struct bnx2x *bp = params->bp;
  10869. vars->link_up = 1;
  10870. if (!params->req_line_speed[0])
  10871. vars->line_speed = SPEED_10000;
  10872. else
  10873. vars->line_speed = params->req_line_speed[0];
  10874. vars->duplex = DUPLEX_FULL;
  10875. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10876. vars->mac_type = MAC_TYPE_XMAC;
  10877. vars->phy_flags = PHY_XGXS_FLAG;
  10878. /* Set WC to loopback mode since link is required to provide clock
  10879. * to the XMAC in 20G mode
  10880. */
  10881. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10882. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10883. params->phy[INT_PHY].config_loopback(
  10884. &params->phy[INT_PHY],
  10885. params);
  10886. bnx2x_xmac_enable(params, vars, 1);
  10887. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10888. }
  10889. static void bnx2x_init_umac_loopback(struct link_params *params,
  10890. struct link_vars *vars)
  10891. {
  10892. struct bnx2x *bp = params->bp;
  10893. vars->link_up = 1;
  10894. vars->line_speed = SPEED_1000;
  10895. vars->duplex = DUPLEX_FULL;
  10896. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10897. vars->mac_type = MAC_TYPE_UMAC;
  10898. vars->phy_flags = PHY_XGXS_FLAG;
  10899. bnx2x_umac_enable(params, vars, 1);
  10900. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10901. }
  10902. static void bnx2x_init_xgxs_loopback(struct link_params *params,
  10903. struct link_vars *vars)
  10904. {
  10905. struct bnx2x *bp = params->bp;
  10906. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  10907. vars->link_up = 1;
  10908. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10909. vars->duplex = DUPLEX_FULL;
  10910. if (params->req_line_speed[0] == SPEED_1000)
  10911. vars->line_speed = SPEED_1000;
  10912. else if ((params->req_line_speed[0] == SPEED_20000) ||
  10913. (int_phy->flags & FLAGS_WC_DUAL_MODE))
  10914. vars->line_speed = SPEED_20000;
  10915. else
  10916. vars->line_speed = SPEED_10000;
  10917. if (!USES_WARPCORE(bp))
  10918. bnx2x_xgxs_deassert(params);
  10919. bnx2x_link_initialize(params, vars);
  10920. if (params->req_line_speed[0] == SPEED_1000) {
  10921. if (USES_WARPCORE(bp))
  10922. bnx2x_umac_enable(params, vars, 0);
  10923. else {
  10924. bnx2x_emac_program(params, vars);
  10925. bnx2x_emac_enable(params, vars, 0);
  10926. }
  10927. } else {
  10928. if (USES_WARPCORE(bp))
  10929. bnx2x_xmac_enable(params, vars, 0);
  10930. else
  10931. bnx2x_bmac_enable(params, vars, 0, 1);
  10932. }
  10933. if (params->loopback_mode == LOOPBACK_XGXS) {
  10934. /* set 10G XGXS loopback */
  10935. params->phy[INT_PHY].config_loopback(
  10936. &params->phy[INT_PHY],
  10937. params);
  10938. } else {
  10939. /* set external phy loopback */
  10940. u8 phy_index;
  10941. for (phy_index = EXT_PHY1;
  10942. phy_index < params->num_phys; phy_index++) {
  10943. if (params->phy[phy_index].config_loopback)
  10944. params->phy[phy_index].config_loopback(
  10945. &params->phy[phy_index],
  10946. params);
  10947. }
  10948. }
  10949. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10950. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10951. }
  10952. void bnx2x_set_rx_filter(struct link_params *params, u8 en)
  10953. {
  10954. struct bnx2x *bp = params->bp;
  10955. u8 val = en * 0x1F;
  10956. /* Open the gate between the NIG to the BRB */
  10957. if (!CHIP_IS_E1x(bp))
  10958. val |= en * 0x20;
  10959. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
  10960. if (!CHIP_IS_E1(bp)) {
  10961. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
  10962. en*0x3);
  10963. }
  10964. REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
  10965. NIG_REG_LLH0_BRB1_NOT_MCP), en);
  10966. }
  10967. static int bnx2x_avoid_link_flap(struct link_params *params,
  10968. struct link_vars *vars)
  10969. {
  10970. u32 phy_idx;
  10971. u32 dont_clear_stat, lfa_sts;
  10972. struct bnx2x *bp = params->bp;
  10973. /* Sync the link parameters */
  10974. bnx2x_link_status_update(params, vars);
  10975. /*
  10976. * The module verification was already done by previous link owner,
  10977. * so this call is meant only to get warning message
  10978. */
  10979. for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
  10980. struct bnx2x_phy *phy = &params->phy[phy_idx];
  10981. if (phy->phy_specific_func) {
  10982. DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
  10983. phy->phy_specific_func(phy, params, PHY_INIT);
  10984. }
  10985. if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
  10986. (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
  10987. (phy->media_type == ETH_PHY_DA_TWINAX))
  10988. bnx2x_verify_sfp_module(phy, params);
  10989. }
  10990. lfa_sts = REG_RD(bp, params->lfa_base +
  10991. offsetof(struct shmem_lfa,
  10992. lfa_sts));
  10993. dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
  10994. /* Re-enable the NIG/MAC */
  10995. if (CHIP_IS_E3(bp)) {
  10996. if (!dont_clear_stat) {
  10997. REG_WR(bp, GRCBASE_MISC +
  10998. MISC_REGISTERS_RESET_REG_2_CLEAR,
  10999. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  11000. params->port));
  11001. REG_WR(bp, GRCBASE_MISC +
  11002. MISC_REGISTERS_RESET_REG_2_SET,
  11003. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  11004. params->port));
  11005. }
  11006. if (vars->line_speed < SPEED_10000)
  11007. bnx2x_umac_enable(params, vars, 0);
  11008. else
  11009. bnx2x_xmac_enable(params, vars, 0);
  11010. } else {
  11011. if (vars->line_speed < SPEED_10000)
  11012. bnx2x_emac_enable(params, vars, 0);
  11013. else
  11014. bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
  11015. }
  11016. /* Increment LFA count */
  11017. lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
  11018. (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
  11019. LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
  11020. << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
  11021. /* Clear link flap reason */
  11022. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  11023. REG_WR(bp, params->lfa_base +
  11024. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11025. /* Disable NIG DRAIN */
  11026. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11027. /* Enable interrupts */
  11028. bnx2x_link_int_enable(params);
  11029. return 0;
  11030. }
  11031. static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
  11032. struct link_vars *vars,
  11033. int lfa_status)
  11034. {
  11035. u32 lfa_sts, cfg_idx, tmp_val;
  11036. struct bnx2x *bp = params->bp;
  11037. bnx2x_link_reset(params, vars, 1);
  11038. if (!params->lfa_base)
  11039. return;
  11040. /* Store the new link parameters */
  11041. REG_WR(bp, params->lfa_base +
  11042. offsetof(struct shmem_lfa, req_duplex),
  11043. params->req_duplex[0] | (params->req_duplex[1] << 16));
  11044. REG_WR(bp, params->lfa_base +
  11045. offsetof(struct shmem_lfa, req_flow_ctrl),
  11046. params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
  11047. REG_WR(bp, params->lfa_base +
  11048. offsetof(struct shmem_lfa, req_line_speed),
  11049. params->req_line_speed[0] | (params->req_line_speed[1] << 16));
  11050. for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
  11051. REG_WR(bp, params->lfa_base +
  11052. offsetof(struct shmem_lfa,
  11053. speed_cap_mask[cfg_idx]),
  11054. params->speed_cap_mask[cfg_idx]);
  11055. }
  11056. tmp_val = REG_RD(bp, params->lfa_base +
  11057. offsetof(struct shmem_lfa, additional_config));
  11058. tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
  11059. tmp_val |= params->req_fc_auto_adv;
  11060. REG_WR(bp, params->lfa_base +
  11061. offsetof(struct shmem_lfa, additional_config), tmp_val);
  11062. lfa_sts = REG_RD(bp, params->lfa_base +
  11063. offsetof(struct shmem_lfa, lfa_sts));
  11064. /* Clear the "Don't Clear Statistics" bit, and set reason */
  11065. lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
  11066. /* Set link flap reason */
  11067. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  11068. lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
  11069. LFA_LINK_FLAP_REASON_OFFSET);
  11070. /* Increment link flap counter */
  11071. lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
  11072. (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
  11073. LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
  11074. << LINK_FLAP_COUNT_OFFSET));
  11075. REG_WR(bp, params->lfa_base +
  11076. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11077. /* Proceed with regular link initialization */
  11078. }
  11079. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  11080. {
  11081. int lfa_status;
  11082. struct bnx2x *bp = params->bp;
  11083. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  11084. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  11085. params->req_line_speed[0], params->req_flow_ctrl[0]);
  11086. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  11087. params->req_line_speed[1], params->req_flow_ctrl[1]);
  11088. vars->link_status = 0;
  11089. vars->phy_link_up = 0;
  11090. vars->link_up = 0;
  11091. vars->line_speed = 0;
  11092. vars->duplex = DUPLEX_FULL;
  11093. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11094. vars->mac_type = MAC_TYPE_NONE;
  11095. vars->phy_flags = 0;
  11096. /* Driver opens NIG-BRB filters */
  11097. bnx2x_set_rx_filter(params, 1);
  11098. /* Check if link flap can be avoided */
  11099. lfa_status = bnx2x_check_lfa(params);
  11100. if (lfa_status == 0) {
  11101. DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
  11102. return bnx2x_avoid_link_flap(params, vars);
  11103. }
  11104. DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
  11105. lfa_status);
  11106. bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
  11107. /* Disable attentions */
  11108. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11109. (NIG_MASK_XGXS0_LINK_STATUS |
  11110. NIG_MASK_XGXS0_LINK10G |
  11111. NIG_MASK_SERDES0_LINK_STATUS |
  11112. NIG_MASK_MI_INT));
  11113. bnx2x_emac_init(params, vars);
  11114. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  11115. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  11116. if (params->num_phys == 0) {
  11117. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  11118. return -EINVAL;
  11119. }
  11120. set_phy_vars(params, vars);
  11121. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  11122. switch (params->loopback_mode) {
  11123. case LOOPBACK_BMAC:
  11124. bnx2x_init_bmac_loopback(params, vars);
  11125. break;
  11126. case LOOPBACK_EMAC:
  11127. bnx2x_init_emac_loopback(params, vars);
  11128. break;
  11129. case LOOPBACK_XMAC:
  11130. bnx2x_init_xmac_loopback(params, vars);
  11131. break;
  11132. case LOOPBACK_UMAC:
  11133. bnx2x_init_umac_loopback(params, vars);
  11134. break;
  11135. case LOOPBACK_XGXS:
  11136. case LOOPBACK_EXT_PHY:
  11137. bnx2x_init_xgxs_loopback(params, vars);
  11138. break;
  11139. default:
  11140. if (!CHIP_IS_E3(bp)) {
  11141. if (params->switch_cfg == SWITCH_CFG_10G)
  11142. bnx2x_xgxs_deassert(params);
  11143. else
  11144. bnx2x_serdes_deassert(bp, params->port);
  11145. }
  11146. bnx2x_link_initialize(params, vars);
  11147. msleep(30);
  11148. bnx2x_link_int_enable(params);
  11149. break;
  11150. }
  11151. bnx2x_update_mng(params, vars->link_status);
  11152. bnx2x_update_mng_eee(params, vars->eee_status);
  11153. return 0;
  11154. }
  11155. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  11156. u8 reset_ext_phy)
  11157. {
  11158. struct bnx2x *bp = params->bp;
  11159. u8 phy_index, port = params->port, clear_latch_ind = 0;
  11160. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  11161. /* Disable attentions */
  11162. vars->link_status = 0;
  11163. bnx2x_update_mng(params, vars->link_status);
  11164. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  11165. SHMEM_EEE_ACTIVE_BIT);
  11166. bnx2x_update_mng_eee(params, vars->eee_status);
  11167. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  11168. (NIG_MASK_XGXS0_LINK_STATUS |
  11169. NIG_MASK_XGXS0_LINK10G |
  11170. NIG_MASK_SERDES0_LINK_STATUS |
  11171. NIG_MASK_MI_INT));
  11172. /* Activate nig drain */
  11173. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  11174. /* Disable nig egress interface */
  11175. if (!CHIP_IS_E3(bp)) {
  11176. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  11177. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  11178. }
  11179. if (!CHIP_IS_E3(bp)) {
  11180. bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
  11181. } else {
  11182. bnx2x_set_xmac_rxtx(params, 0);
  11183. bnx2x_set_umac_rxtx(params, 0);
  11184. }
  11185. /* Disable emac */
  11186. if (!CHIP_IS_E3(bp))
  11187. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  11188. usleep_range(10000, 20000);
  11189. /* The PHY reset is controlled by GPIO 1
  11190. * Hold it as vars low
  11191. */
  11192. /* Clear link led */
  11193. bnx2x_set_mdio_emac_per_phy(bp, params);
  11194. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  11195. if (reset_ext_phy) {
  11196. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  11197. phy_index++) {
  11198. if (params->phy[phy_index].link_reset) {
  11199. bnx2x_set_aer_mmd(params,
  11200. &params->phy[phy_index]);
  11201. params->phy[phy_index].link_reset(
  11202. &params->phy[phy_index],
  11203. params);
  11204. }
  11205. if (params->phy[phy_index].flags &
  11206. FLAGS_REARM_LATCH_SIGNAL)
  11207. clear_latch_ind = 1;
  11208. }
  11209. }
  11210. if (clear_latch_ind) {
  11211. /* Clear latching indication */
  11212. bnx2x_rearm_latch_signal(bp, port, 0);
  11213. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  11214. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  11215. }
  11216. if (params->phy[INT_PHY].link_reset)
  11217. params->phy[INT_PHY].link_reset(
  11218. &params->phy[INT_PHY], params);
  11219. /* Disable nig ingress interface */
  11220. if (!CHIP_IS_E3(bp)) {
  11221. /* Reset BigMac */
  11222. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  11223. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  11224. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  11225. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  11226. } else {
  11227. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11228. bnx2x_set_xumac_nig(params, 0, 0);
  11229. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11230. MISC_REGISTERS_RESET_REG_2_XMAC)
  11231. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  11232. XMAC_CTRL_REG_SOFT_RESET);
  11233. }
  11234. vars->link_up = 0;
  11235. vars->phy_flags = 0;
  11236. return 0;
  11237. }
  11238. int bnx2x_lfa_reset(struct link_params *params,
  11239. struct link_vars *vars)
  11240. {
  11241. struct bnx2x *bp = params->bp;
  11242. vars->link_up = 0;
  11243. vars->phy_flags = 0;
  11244. if (!params->lfa_base)
  11245. return bnx2x_link_reset(params, vars, 1);
  11246. /*
  11247. * Activate NIG drain so that during this time the device won't send
  11248. * anything while it is unable to response.
  11249. */
  11250. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11251. /*
  11252. * Close gracefully the gate from BMAC to NIG such that no half packets
  11253. * are passed.
  11254. */
  11255. if (!CHIP_IS_E3(bp))
  11256. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  11257. if (CHIP_IS_E3(bp)) {
  11258. bnx2x_set_xmac_rxtx(params, 0);
  11259. bnx2x_set_umac_rxtx(params, 0);
  11260. }
  11261. /* Wait 10ms for the pipe to clean up*/
  11262. usleep_range(10000, 20000);
  11263. /* Clean the NIG-BRB using the network filters in a way that will
  11264. * not cut a packet in the middle.
  11265. */
  11266. bnx2x_set_rx_filter(params, 0);
  11267. /*
  11268. * Re-open the gate between the BMAC and the NIG, after verifying the
  11269. * gate to the BRB is closed, otherwise packets may arrive to the
  11270. * firmware before driver had initialized it. The target is to achieve
  11271. * minimum management protocol down time.
  11272. */
  11273. if (!CHIP_IS_E3(bp))
  11274. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
  11275. if (CHIP_IS_E3(bp)) {
  11276. bnx2x_set_xmac_rxtx(params, 1);
  11277. bnx2x_set_umac_rxtx(params, 1);
  11278. }
  11279. /* Disable NIG drain */
  11280. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11281. return 0;
  11282. }
  11283. /****************************************************************************/
  11284. /* Common function */
  11285. /****************************************************************************/
  11286. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  11287. u32 shmem_base_path[],
  11288. u32 shmem2_base_path[], u8 phy_index,
  11289. u32 chip_id)
  11290. {
  11291. struct bnx2x_phy phy[PORT_MAX];
  11292. struct bnx2x_phy *phy_blk[PORT_MAX];
  11293. u16 val;
  11294. s8 port = 0;
  11295. s8 port_of_path = 0;
  11296. u32 swap_val, swap_override;
  11297. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11298. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11299. port ^= (swap_val && swap_override);
  11300. bnx2x_ext_phy_hw_reset(bp, port);
  11301. /* PART1 - Reset both phys */
  11302. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11303. u32 shmem_base, shmem2_base;
  11304. /* In E2, same phy is using for port0 of the two paths */
  11305. if (CHIP_IS_E1x(bp)) {
  11306. shmem_base = shmem_base_path[0];
  11307. shmem2_base = shmem2_base_path[0];
  11308. port_of_path = port;
  11309. } else {
  11310. shmem_base = shmem_base_path[port];
  11311. shmem2_base = shmem2_base_path[port];
  11312. port_of_path = 0;
  11313. }
  11314. /* Extract the ext phy address for the port */
  11315. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11316. port_of_path, &phy[port]) !=
  11317. 0) {
  11318. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11319. return -EINVAL;
  11320. }
  11321. /* Disable attentions */
  11322. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11323. port_of_path*4,
  11324. (NIG_MASK_XGXS0_LINK_STATUS |
  11325. NIG_MASK_XGXS0_LINK10G |
  11326. NIG_MASK_SERDES0_LINK_STATUS |
  11327. NIG_MASK_MI_INT));
  11328. /* Need to take the phy out of low power mode in order
  11329. * to write to access its registers
  11330. */
  11331. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11332. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11333. port);
  11334. /* Reset the phy */
  11335. bnx2x_cl45_write(bp, &phy[port],
  11336. MDIO_PMA_DEVAD,
  11337. MDIO_PMA_REG_CTRL,
  11338. 1<<15);
  11339. }
  11340. /* Add delay of 150ms after reset */
  11341. msleep(150);
  11342. if (phy[PORT_0].addr & 0x1) {
  11343. phy_blk[PORT_0] = &(phy[PORT_1]);
  11344. phy_blk[PORT_1] = &(phy[PORT_0]);
  11345. } else {
  11346. phy_blk[PORT_0] = &(phy[PORT_0]);
  11347. phy_blk[PORT_1] = &(phy[PORT_1]);
  11348. }
  11349. /* PART2 - Download firmware to both phys */
  11350. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11351. if (CHIP_IS_E1x(bp))
  11352. port_of_path = port;
  11353. else
  11354. port_of_path = 0;
  11355. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11356. phy_blk[port]->addr);
  11357. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11358. port_of_path))
  11359. return -EINVAL;
  11360. /* Only set bit 10 = 1 (Tx power down) */
  11361. bnx2x_cl45_read(bp, phy_blk[port],
  11362. MDIO_PMA_DEVAD,
  11363. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11364. /* Phase1 of TX_POWER_DOWN reset */
  11365. bnx2x_cl45_write(bp, phy_blk[port],
  11366. MDIO_PMA_DEVAD,
  11367. MDIO_PMA_REG_TX_POWER_DOWN,
  11368. (val | 1<<10));
  11369. }
  11370. /* Toggle Transmitter: Power down and then up with 600ms delay
  11371. * between
  11372. */
  11373. msleep(600);
  11374. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  11375. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11376. /* Phase2 of POWER_DOWN_RESET */
  11377. /* Release bit 10 (Release Tx power down) */
  11378. bnx2x_cl45_read(bp, phy_blk[port],
  11379. MDIO_PMA_DEVAD,
  11380. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11381. bnx2x_cl45_write(bp, phy_blk[port],
  11382. MDIO_PMA_DEVAD,
  11383. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  11384. usleep_range(15000, 30000);
  11385. /* Read modify write the SPI-ROM version select register */
  11386. bnx2x_cl45_read(bp, phy_blk[port],
  11387. MDIO_PMA_DEVAD,
  11388. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  11389. bnx2x_cl45_write(bp, phy_blk[port],
  11390. MDIO_PMA_DEVAD,
  11391. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  11392. /* set GPIO2 back to LOW */
  11393. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11394. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  11395. }
  11396. return 0;
  11397. }
  11398. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  11399. u32 shmem_base_path[],
  11400. u32 shmem2_base_path[], u8 phy_index,
  11401. u32 chip_id)
  11402. {
  11403. u32 val;
  11404. s8 port;
  11405. struct bnx2x_phy phy;
  11406. /* Use port1 because of the static port-swap */
  11407. /* Enable the module detection interrupt */
  11408. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11409. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  11410. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  11411. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11412. bnx2x_ext_phy_hw_reset(bp, 0);
  11413. usleep_range(5000, 10000);
  11414. for (port = 0; port < PORT_MAX; port++) {
  11415. u32 shmem_base, shmem2_base;
  11416. /* In E2, same phy is using for port0 of the two paths */
  11417. if (CHIP_IS_E1x(bp)) {
  11418. shmem_base = shmem_base_path[0];
  11419. shmem2_base = shmem2_base_path[0];
  11420. } else {
  11421. shmem_base = shmem_base_path[port];
  11422. shmem2_base = shmem2_base_path[port];
  11423. }
  11424. /* Extract the ext phy address for the port */
  11425. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11426. port, &phy) !=
  11427. 0) {
  11428. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11429. return -EINVAL;
  11430. }
  11431. /* Reset phy*/
  11432. bnx2x_cl45_write(bp, &phy,
  11433. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  11434. /* Set fault module detected LED on */
  11435. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  11436. MISC_REGISTERS_GPIO_HIGH,
  11437. port);
  11438. }
  11439. return 0;
  11440. }
  11441. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  11442. u8 *io_gpio, u8 *io_port)
  11443. {
  11444. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  11445. offsetof(struct shmem_region,
  11446. dev_info.port_hw_config[PORT_0].default_cfg));
  11447. switch (phy_gpio_reset) {
  11448. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  11449. *io_gpio = 0;
  11450. *io_port = 0;
  11451. break;
  11452. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  11453. *io_gpio = 1;
  11454. *io_port = 0;
  11455. break;
  11456. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  11457. *io_gpio = 2;
  11458. *io_port = 0;
  11459. break;
  11460. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  11461. *io_gpio = 3;
  11462. *io_port = 0;
  11463. break;
  11464. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  11465. *io_gpio = 0;
  11466. *io_port = 1;
  11467. break;
  11468. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  11469. *io_gpio = 1;
  11470. *io_port = 1;
  11471. break;
  11472. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  11473. *io_gpio = 2;
  11474. *io_port = 1;
  11475. break;
  11476. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  11477. *io_gpio = 3;
  11478. *io_port = 1;
  11479. break;
  11480. default:
  11481. /* Don't override the io_gpio and io_port */
  11482. break;
  11483. }
  11484. }
  11485. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  11486. u32 shmem_base_path[],
  11487. u32 shmem2_base_path[], u8 phy_index,
  11488. u32 chip_id)
  11489. {
  11490. s8 port, reset_gpio;
  11491. u32 swap_val, swap_override;
  11492. struct bnx2x_phy phy[PORT_MAX];
  11493. struct bnx2x_phy *phy_blk[PORT_MAX];
  11494. s8 port_of_path;
  11495. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11496. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11497. reset_gpio = MISC_REGISTERS_GPIO_1;
  11498. port = 1;
  11499. /* Retrieve the reset gpio/port which control the reset.
  11500. * Default is GPIO1, PORT1
  11501. */
  11502. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  11503. (u8 *)&reset_gpio, (u8 *)&port);
  11504. /* Calculate the port based on port swap */
  11505. port ^= (swap_val && swap_override);
  11506. /* Initiate PHY reset*/
  11507. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  11508. port);
  11509. usleep_range(1000, 2000);
  11510. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11511. port);
  11512. usleep_range(5000, 10000);
  11513. /* PART1 - Reset both phys */
  11514. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11515. u32 shmem_base, shmem2_base;
  11516. /* In E2, same phy is using for port0 of the two paths */
  11517. if (CHIP_IS_E1x(bp)) {
  11518. shmem_base = shmem_base_path[0];
  11519. shmem2_base = shmem2_base_path[0];
  11520. port_of_path = port;
  11521. } else {
  11522. shmem_base = shmem_base_path[port];
  11523. shmem2_base = shmem2_base_path[port];
  11524. port_of_path = 0;
  11525. }
  11526. /* Extract the ext phy address for the port */
  11527. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11528. port_of_path, &phy[port]) !=
  11529. 0) {
  11530. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11531. return -EINVAL;
  11532. }
  11533. /* disable attentions */
  11534. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11535. port_of_path*4,
  11536. (NIG_MASK_XGXS0_LINK_STATUS |
  11537. NIG_MASK_XGXS0_LINK10G |
  11538. NIG_MASK_SERDES0_LINK_STATUS |
  11539. NIG_MASK_MI_INT));
  11540. /* Reset the phy */
  11541. bnx2x_cl45_write(bp, &phy[port],
  11542. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  11543. }
  11544. /* Add delay of 150ms after reset */
  11545. msleep(150);
  11546. if (phy[PORT_0].addr & 0x1) {
  11547. phy_blk[PORT_0] = &(phy[PORT_1]);
  11548. phy_blk[PORT_1] = &(phy[PORT_0]);
  11549. } else {
  11550. phy_blk[PORT_0] = &(phy[PORT_0]);
  11551. phy_blk[PORT_1] = &(phy[PORT_1]);
  11552. }
  11553. /* PART2 - Download firmware to both phys */
  11554. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11555. if (CHIP_IS_E1x(bp))
  11556. port_of_path = port;
  11557. else
  11558. port_of_path = 0;
  11559. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11560. phy_blk[port]->addr);
  11561. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11562. port_of_path))
  11563. return -EINVAL;
  11564. /* Disable PHY transmitter output */
  11565. bnx2x_cl45_write(bp, phy_blk[port],
  11566. MDIO_PMA_DEVAD,
  11567. MDIO_PMA_REG_TX_DISABLE, 1);
  11568. }
  11569. return 0;
  11570. }
  11571. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  11572. u32 shmem_base_path[],
  11573. u32 shmem2_base_path[],
  11574. u8 phy_index,
  11575. u32 chip_id)
  11576. {
  11577. u8 reset_gpios;
  11578. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  11579. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  11580. udelay(10);
  11581. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  11582. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  11583. reset_gpios);
  11584. return 0;
  11585. }
  11586. static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
  11587. struct bnx2x_phy *phy,
  11588. u8 port)
  11589. {
  11590. u16 val, cnt;
  11591. /* Wait for FW completing its initialization. */
  11592. for (cnt = 0; cnt < 1500; cnt++) {
  11593. bnx2x_cl45_read(bp, phy,
  11594. MDIO_PMA_DEVAD,
  11595. MDIO_PMA_REG_CTRL, &val);
  11596. if (!(val & (1<<15)))
  11597. break;
  11598. usleep_range(1000, 2000);
  11599. }
  11600. if (cnt >= 1500) {
  11601. DP(NETIF_MSG_LINK, "84833 reset timeout\n");
  11602. return -EINVAL;
  11603. }
  11604. /* Put the port in super isolate mode. */
  11605. bnx2x_cl45_read(bp, phy,
  11606. MDIO_CTL_DEVAD,
  11607. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  11608. val |= MDIO_84833_SUPER_ISOLATE;
  11609. bnx2x_cl45_write(bp, phy,
  11610. MDIO_CTL_DEVAD,
  11611. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  11612. /* Save spirom version */
  11613. bnx2x_save_848xx_spirom_version(phy, bp, port);
  11614. return 0;
  11615. }
  11616. int bnx2x_pre_init_phy(struct bnx2x *bp,
  11617. u32 shmem_base,
  11618. u32 shmem2_base,
  11619. u32 chip_id,
  11620. u8 port)
  11621. {
  11622. int rc = 0;
  11623. struct bnx2x_phy phy;
  11624. if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
  11625. port, &phy) != 0) {
  11626. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11627. return -EINVAL;
  11628. }
  11629. bnx2x_set_mdio_clk(bp, chip_id, phy.mdio_ctrl);
  11630. switch (phy.type) {
  11631. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11632. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  11633. rc = bnx2x_84833_pre_init_phy(bp, &phy, port);
  11634. break;
  11635. default:
  11636. break;
  11637. }
  11638. return rc;
  11639. }
  11640. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11641. u32 shmem2_base_path[], u8 phy_index,
  11642. u32 ext_phy_type, u32 chip_id)
  11643. {
  11644. int rc = 0;
  11645. switch (ext_phy_type) {
  11646. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11647. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11648. shmem2_base_path,
  11649. phy_index, chip_id);
  11650. break;
  11651. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11652. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11653. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11654. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11655. shmem2_base_path,
  11656. phy_index, chip_id);
  11657. break;
  11658. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11659. /* GPIO1 affects both ports, so there's need to pull
  11660. * it for single port alone
  11661. */
  11662. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11663. shmem2_base_path,
  11664. phy_index, chip_id);
  11665. break;
  11666. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11667. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  11668. /* GPIO3's are linked, and so both need to be toggled
  11669. * to obtain required 2us pulse.
  11670. */
  11671. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11672. shmem2_base_path,
  11673. phy_index, chip_id);
  11674. break;
  11675. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11676. rc = -EINVAL;
  11677. break;
  11678. default:
  11679. DP(NETIF_MSG_LINK,
  11680. "ext_phy 0x%x common init not required\n",
  11681. ext_phy_type);
  11682. break;
  11683. }
  11684. if (rc)
  11685. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11686. " Port %d\n",
  11687. 0);
  11688. return rc;
  11689. }
  11690. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11691. u32 shmem2_base_path[], u32 chip_id)
  11692. {
  11693. int rc = 0;
  11694. u32 phy_ver, val;
  11695. u8 phy_index = 0;
  11696. u32 ext_phy_type, ext_phy_config;
  11697. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
  11698. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
  11699. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11700. if (CHIP_IS_E3(bp)) {
  11701. /* Enable EPIO */
  11702. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11703. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11704. }
  11705. /* Check if common init was already done */
  11706. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11707. offsetof(struct shmem_region,
  11708. port_mb[PORT_0].ext_phy_fw_version));
  11709. if (phy_ver) {
  11710. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11711. phy_ver);
  11712. return 0;
  11713. }
  11714. /* Read the ext_phy_type for arbitrary port(0) */
  11715. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11716. phy_index++) {
  11717. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11718. shmem_base_path[0],
  11719. phy_index, 0);
  11720. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11721. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11722. shmem2_base_path,
  11723. phy_index, ext_phy_type,
  11724. chip_id);
  11725. }
  11726. return rc;
  11727. }
  11728. static void bnx2x_check_over_curr(struct link_params *params,
  11729. struct link_vars *vars)
  11730. {
  11731. struct bnx2x *bp = params->bp;
  11732. u32 cfg_pin;
  11733. u8 port = params->port;
  11734. u32 pin_val;
  11735. cfg_pin = (REG_RD(bp, params->shmem_base +
  11736. offsetof(struct shmem_region,
  11737. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11738. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11739. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11740. /* Ignore check if no external input PIN available */
  11741. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11742. return;
  11743. if (!pin_val) {
  11744. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11745. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11746. " been detected and the power to "
  11747. "that SFP+ module has been removed"
  11748. " to prevent failure of the card."
  11749. " Please remove the SFP+ module and"
  11750. " restart the system to clear this"
  11751. " error.\n",
  11752. params->port);
  11753. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11754. bnx2x_warpcore_power_module(params, 0);
  11755. }
  11756. } else
  11757. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11758. }
  11759. /* Returns 0 if no change occured since last check; 1 otherwise. */
  11760. static u8 bnx2x_analyze_link_error(struct link_params *params,
  11761. struct link_vars *vars, u32 status,
  11762. u32 phy_flag, u32 link_flag, u8 notify)
  11763. {
  11764. struct bnx2x *bp = params->bp;
  11765. /* Compare new value with previous value */
  11766. u8 led_mode;
  11767. u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
  11768. if ((status ^ old_status) == 0)
  11769. return 0;
  11770. /* If values differ */
  11771. switch (phy_flag) {
  11772. case PHY_HALF_OPEN_CONN_FLAG:
  11773. DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
  11774. break;
  11775. case PHY_SFP_TX_FAULT_FLAG:
  11776. DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
  11777. break;
  11778. default:
  11779. DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
  11780. }
  11781. DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
  11782. old_status, status);
  11783. /* a. Update shmem->link_status accordingly
  11784. * b. Update link_vars->link_up
  11785. */
  11786. if (status) {
  11787. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11788. vars->link_status |= link_flag;
  11789. vars->link_up = 0;
  11790. vars->phy_flags |= phy_flag;
  11791. /* activate nig drain */
  11792. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11793. /* Set LED mode to off since the PHY doesn't know about these
  11794. * errors
  11795. */
  11796. led_mode = LED_MODE_OFF;
  11797. } else {
  11798. vars->link_status |= LINK_STATUS_LINK_UP;
  11799. vars->link_status &= ~link_flag;
  11800. vars->link_up = 1;
  11801. vars->phy_flags &= ~phy_flag;
  11802. led_mode = LED_MODE_OPER;
  11803. /* Clear nig drain */
  11804. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11805. }
  11806. bnx2x_sync_link(params, vars);
  11807. /* Update the LED according to the link state */
  11808. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11809. /* Update link status in the shared memory */
  11810. bnx2x_update_mng(params, vars->link_status);
  11811. /* C. Trigger General Attention */
  11812. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11813. if (notify)
  11814. bnx2x_notify_link_changed(bp);
  11815. return 1;
  11816. }
  11817. /******************************************************************************
  11818. * Description:
  11819. * This function checks for half opened connection change indication.
  11820. * When such change occurs, it calls the bnx2x_analyze_link_error
  11821. * to check if Remote Fault is set or cleared. Reception of remote fault
  11822. * status message in the MAC indicates that the peer's MAC has detected
  11823. * a fault, for example, due to break in the TX side of fiber.
  11824. *
  11825. ******************************************************************************/
  11826. int bnx2x_check_half_open_conn(struct link_params *params,
  11827. struct link_vars *vars,
  11828. u8 notify)
  11829. {
  11830. struct bnx2x *bp = params->bp;
  11831. u32 lss_status = 0;
  11832. u32 mac_base;
  11833. /* In case link status is physically up @ 10G do */
  11834. if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
  11835. (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
  11836. return 0;
  11837. if (CHIP_IS_E3(bp) &&
  11838. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11839. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11840. /* Check E3 XMAC */
  11841. /* Note that link speed cannot be queried here, since it may be
  11842. * zero while link is down. In case UMAC is active, LSS will
  11843. * simply not be set
  11844. */
  11845. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11846. /* Clear stick bits (Requires rising edge) */
  11847. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11848. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11849. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11850. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11851. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11852. lss_status = 1;
  11853. bnx2x_analyze_link_error(params, vars, lss_status,
  11854. PHY_HALF_OPEN_CONN_FLAG,
  11855. LINK_STATUS_NONE, notify);
  11856. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11857. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11858. /* Check E1X / E2 BMAC */
  11859. u32 lss_status_reg;
  11860. u32 wb_data[2];
  11861. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11862. NIG_REG_INGRESS_BMAC0_MEM;
  11863. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11864. if (CHIP_IS_E2(bp))
  11865. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11866. else
  11867. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11868. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11869. lss_status = (wb_data[0] > 0);
  11870. bnx2x_analyze_link_error(params, vars, lss_status,
  11871. PHY_HALF_OPEN_CONN_FLAG,
  11872. LINK_STATUS_NONE, notify);
  11873. }
  11874. return 0;
  11875. }
  11876. static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
  11877. struct link_params *params,
  11878. struct link_vars *vars)
  11879. {
  11880. struct bnx2x *bp = params->bp;
  11881. u32 cfg_pin, value = 0;
  11882. u8 led_change, port = params->port;
  11883. /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
  11884. cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
  11885. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  11886. PORT_HW_CFG_E3_TX_FAULT_MASK) >>
  11887. PORT_HW_CFG_E3_TX_FAULT_SHIFT;
  11888. if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
  11889. DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
  11890. return;
  11891. }
  11892. led_change = bnx2x_analyze_link_error(params, vars, value,
  11893. PHY_SFP_TX_FAULT_FLAG,
  11894. LINK_STATUS_SFP_TX_FAULT, 1);
  11895. if (led_change) {
  11896. /* Change TX_Fault led, set link status for further syncs */
  11897. u8 led_mode;
  11898. if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
  11899. led_mode = MISC_REGISTERS_GPIO_HIGH;
  11900. vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
  11901. } else {
  11902. led_mode = MISC_REGISTERS_GPIO_LOW;
  11903. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11904. }
  11905. /* If module is unapproved, led should be on regardless */
  11906. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  11907. DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
  11908. led_mode);
  11909. bnx2x_set_e3_module_fault_led(params, led_mode);
  11910. }
  11911. }
  11912. }
  11913. static void bnx2x_disable_kr2(struct link_params *params,
  11914. struct link_vars *vars,
  11915. struct bnx2x_phy *phy)
  11916. {
  11917. struct bnx2x *bp = params->bp;
  11918. int i;
  11919. static struct bnx2x_reg_set reg_set[] = {
  11920. /* Step 1 - Program the TX/RX alignment markers */
  11921. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
  11922. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
  11923. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
  11924. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
  11925. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
  11926. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
  11927. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
  11928. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
  11929. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
  11930. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
  11931. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
  11932. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
  11933. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
  11934. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
  11935. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
  11936. };
  11937. DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
  11938. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  11939. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  11940. reg_set[i].val);
  11941. vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
  11942. bnx2x_update_link_attr(params, vars->link_attr_sync);
  11943. /* Restart AN on leading lane */
  11944. bnx2x_warpcore_restart_AN_KR(phy, params);
  11945. }
  11946. static void bnx2x_kr2_recovery(struct link_params *params,
  11947. struct link_vars *vars,
  11948. struct bnx2x_phy *phy)
  11949. {
  11950. struct bnx2x *bp = params->bp;
  11951. DP(NETIF_MSG_LINK, "KR2 recovery\n");
  11952. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  11953. bnx2x_warpcore_restart_AN_KR(phy, params);
  11954. }
  11955. static void bnx2x_check_kr2_wa(struct link_params *params,
  11956. struct link_vars *vars,
  11957. struct bnx2x_phy *phy)
  11958. {
  11959. struct bnx2x *bp = params->bp;
  11960. u16 base_page, next_page, not_kr2_device, lane;
  11961. int sigdet = bnx2x_warpcore_get_sigdet(phy, params);
  11962. if (!sigdet) {
  11963. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE))
  11964. bnx2x_kr2_recovery(params, vars, phy);
  11965. return;
  11966. }
  11967. lane = bnx2x_get_warpcore_lane(phy, params);
  11968. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  11969. MDIO_AER_BLOCK_AER_REG, lane);
  11970. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  11971. MDIO_AN_REG_LP_AUTO_NEG, &base_page);
  11972. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  11973. MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
  11974. bnx2x_set_aer_mmd(params, phy);
  11975. /* CL73 has not begun yet */
  11976. if (base_page == 0) {
  11977. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE))
  11978. bnx2x_kr2_recovery(params, vars, phy);
  11979. return;
  11980. }
  11981. /* In case NP bit is not set in the BasePage, or it is set,
  11982. * but only KX is advertised, declare this link partner as non-KR2
  11983. * device.
  11984. */
  11985. not_kr2_device = (((base_page & 0x8000) == 0) ||
  11986. (((base_page & 0x8000) &&
  11987. ((next_page & 0xe0) == 0x2))));
  11988. /* In case KR2 is already disabled, check if we need to re-enable it */
  11989. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  11990. if (!not_kr2_device) {
  11991. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
  11992. next_page);
  11993. bnx2x_kr2_recovery(params, vars, phy);
  11994. }
  11995. return;
  11996. }
  11997. /* KR2 is enabled, but not KR2 device */
  11998. if (not_kr2_device) {
  11999. /* Disable KR2 on both lanes */
  12000. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
  12001. bnx2x_disable_kr2(params, vars, phy);
  12002. return;
  12003. }
  12004. }
  12005. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  12006. {
  12007. u16 phy_idx;
  12008. struct bnx2x *bp = params->bp;
  12009. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  12010. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  12011. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  12012. if (bnx2x_check_half_open_conn(params, vars, 1) !=
  12013. 0)
  12014. DP(NETIF_MSG_LINK, "Fault detection failed\n");
  12015. break;
  12016. }
  12017. }
  12018. if (CHIP_IS_E3(bp)) {
  12019. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  12020. bnx2x_set_aer_mmd(params, phy);
  12021. if ((phy->supported & SUPPORTED_20000baseKR2_Full) &&
  12022. (phy->speed_cap_mask & SPEED_20000))
  12023. bnx2x_check_kr2_wa(params, vars, phy);
  12024. bnx2x_check_over_curr(params, vars);
  12025. if (vars->rx_tx_asic_rst)
  12026. bnx2x_warpcore_config_runtime(phy, params, vars);
  12027. if ((REG_RD(bp, params->shmem_base +
  12028. offsetof(struct shmem_region, dev_info.
  12029. port_hw_config[params->port].default_cfg))
  12030. & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
  12031. PORT_HW_CFG_NET_SERDES_IF_SFI) {
  12032. if (bnx2x_is_sfp_module_plugged(phy, params)) {
  12033. bnx2x_sfp_tx_fault_detection(phy, params, vars);
  12034. } else if (vars->link_status &
  12035. LINK_STATUS_SFP_TX_FAULT) {
  12036. /* Clean trail, interrupt corrects the leds */
  12037. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  12038. vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
  12039. /* Update link status in the shared memory */
  12040. bnx2x_update_mng(params, vars->link_status);
  12041. }
  12042. }
  12043. }
  12044. }
  12045. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  12046. {
  12047. u8 phy_index;
  12048. struct bnx2x_phy phy;
  12049. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  12050. phy_index++) {
  12051. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  12052. 0, &phy) != 0) {
  12053. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12054. return 0;
  12055. }
  12056. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  12057. return 1;
  12058. }
  12059. return 0;
  12060. }
  12061. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  12062. u32 shmem_base,
  12063. u32 shmem2_base,
  12064. u8 port)
  12065. {
  12066. u8 phy_index, fan_failure_det_req = 0;
  12067. struct bnx2x_phy phy;
  12068. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12069. phy_index++) {
  12070. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  12071. port, &phy)
  12072. != 0) {
  12073. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12074. return 0;
  12075. }
  12076. fan_failure_det_req |= (phy.flags &
  12077. FLAGS_FAN_FAILURE_DET_REQ);
  12078. }
  12079. return fan_failure_det_req;
  12080. }
  12081. void bnx2x_hw_reset_phy(struct link_params *params)
  12082. {
  12083. u8 phy_index;
  12084. struct bnx2x *bp = params->bp;
  12085. bnx2x_update_mng(params, 0);
  12086. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  12087. (NIG_MASK_XGXS0_LINK_STATUS |
  12088. NIG_MASK_XGXS0_LINK10G |
  12089. NIG_MASK_SERDES0_LINK_STATUS |
  12090. NIG_MASK_MI_INT));
  12091. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  12092. phy_index++) {
  12093. if (params->phy[phy_index].hw_reset) {
  12094. params->phy[phy_index].hw_reset(
  12095. &params->phy[phy_index],
  12096. params);
  12097. params->phy[phy_index] = phy_null;
  12098. }
  12099. }
  12100. }
  12101. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  12102. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  12103. u8 port)
  12104. {
  12105. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  12106. u32 val;
  12107. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  12108. if (CHIP_IS_E3(bp)) {
  12109. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  12110. shmem_base,
  12111. port,
  12112. &gpio_num,
  12113. &gpio_port) != 0)
  12114. return;
  12115. } else {
  12116. struct bnx2x_phy phy;
  12117. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12118. phy_index++) {
  12119. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  12120. shmem2_base, port, &phy)
  12121. != 0) {
  12122. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12123. return;
  12124. }
  12125. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  12126. gpio_num = MISC_REGISTERS_GPIO_3;
  12127. gpio_port = port;
  12128. break;
  12129. }
  12130. }
  12131. }
  12132. if (gpio_num == 0xff)
  12133. return;
  12134. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  12135. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  12136. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  12137. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  12138. gpio_port ^= (swap_val && swap_override);
  12139. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  12140. (gpio_num + (gpio_port << 2));
  12141. sync_offset = shmem_base +
  12142. offsetof(struct shmem_region,
  12143. dev_info.port_hw_config[port].aeu_int_mask);
  12144. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  12145. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  12146. gpio_num, gpio_port, vars->aeu_int_mask);
  12147. if (port == 0)
  12148. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  12149. else
  12150. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  12151. /* Open appropriate AEU for interrupts */
  12152. aeu_mask = REG_RD(bp, offset);
  12153. aeu_mask |= vars->aeu_int_mask;
  12154. REG_WR(bp, offset, aeu_mask);
  12155. /* Enable the GPIO to trigger interrupt */
  12156. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  12157. val |= 1 << (gpio_num + (gpio_port << 2));
  12158. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  12159. }